CN108528056B - Coding system for product outer packaging, coding method and product outer packaging - Google Patents

Abstract

The invention relates to the technical field of code spraying of product outer packages, in particular to a code spraying system and a code spraying method for product outer packages and the product outer packages. The code spraying system comprises a code generating system, wherein the code generating system is used for processing a plurality of single information to be printed and generating code source data of variable data, and the code source data comprises plain code data and secret code data; the code source database is used for storing code source data; and the code printing system is used for printing the plain code data in the code source data to the outer surface of the outer package to be subjected to code spraying and printing the dark code data in the code source data to the inner surface of the outer package to be subjected to code spraying, and the plain code data and the dark code data at the same outer package to be subjected to code spraying are correlated. The code spraying method is realized by using the code spraying system, and the outer package of the product is prepared by using the code spraying system and the code spraying method. The invention can effectively and accurately print the double surfaces of the external package to be code-sprayed, and has high anti-counterfeiting grade.

Description

Coding system for product outer packaging, coding method and product outer packaging

technical field

The invention relates to the technical field of coding on product outer packaging, in particular to a coding system for product outer packaging, a coding method and product outer packaging.

Background technique

With the development of the market economy, the types of commodities are becoming more and more abundant, but at the same time, there are more and more counterfeit and shoddy commodities. Because counterfeit and shoddy goods have caused a huge impact on people's lives, people's anti-counterfeiting requirements for goods are getting higher and higher. Correspondingly, various anti-counterfeiting means and anti-counterfeiting markers have emerged as the times require. Moreover, in order to standardize the sales order of commodities, many manufacturers not only require the markers to have an anti-counterfeiting function, but also require the markers to have the function of preventing goods from being stolen.

In the prior art, the anti-counterfeiting and anti-smuggling function is usually directly pasted on the label of the outer packaging of the product. But there are two defects in this anti-counterfeiting and anti-smuggling marker directly attached to the label of the product outer packaging, when tearing off the anti-counterfeiting and anti-smuggling marker without destroying the label of the product, it will not affect the sales of the product , There are unscrupulous merchants who tear off the markers and sell them like this, which cannot achieve the anti-counterfeiting ability of the product. On the other hand, since this kind of anti-counterfeiting and anti-smuggling marker is affixed on the label or product, a separate laminating process needs to be set up in production, and the cost of manpower and material resources will increase accordingly. In addition, if only one anti-counterfeiting code is used for anti-counterfeiting, it is easy to be forged, resulting in insufficient anti-counterfeiting ability of the product.

Contents of the invention

In order to overcome some or some defects of the prior art, the present invention provides a coding system for outer packaging of products.

According to the inkjet coding system for product outer packaging of the present invention, it comprises,

Code generation system, the code generation system is used to process multiple single pieces of information to be coded and generate code source data of variable data. The code source data includes plain code data and secret code data;

Code source database for storing code source data;

The coding system is used to print the clear code data in the code source data to the outer surface of the outer packaging to be coded, and print the dark code data in the code source data to the inner surface of the outer packaging to be coded, and the same The plaintext data and the encrypted data at the outer packaging are correlated with each other.

The coding system of the present invention can preferably realize the anti-counterfeiting coding and coding of the product outer packaging, and has the advantages of low production cost, high anti-counterfeiting level, and high production efficiency. Among them, since the plain code data and secret code data on the outer packaging of the same product are related to each other and are printed on the inside and outside, the plain code data and the secret code data are indispensable for anti-counterfeiting verification, so it can have better anti-counterfeiting effect.

Preferably, the code source data includes a plurality of entire bar code source information corresponding to the plurality of single pieces of information to be coded one-to-one, and any entire bar code source information includes divisible first plain code information and first encrypted code information. This facilitates the generation of code source data.

Preferably, the coding system includes a conveying device for conveying the outer packaging to be coded, and along the moving direction of the conveying device, a detection device, a clear code marking device, a code reading device and a secret code marking device are arranged in sequence, and the clear code marking device The code reading equipment and the secret code marking equipment are respectively installed on the upper and lower sides of the transmission device, and the code reading equipment and the clear code marking equipment are located on the same side;

The detection device is used to detect the feeding distance of the outer packaging to be coded; when the clear marking point of the outer packaging to be coded reaches the clear marking equipment, the detection device sends a message to the clear marking equipment for controlling the printing of the clear marking equipment. An action signal of clear code information; the detection device sends the first clear code information for controlling the code reading device to read the corresponding clear code marking point to the code reading device when the clear code marking point on the outer package to be sprayed reaches the code reading device An action signal; the detection device sends an action signal for controlling the code marking device to print the first code information to the code marking device when the code marking point on the outer package to be sprayed reaches the code marking device;

The clear code marking device can extract the first clear code information in the plurality of whole bar code source information from the code source database and perform variable data printing, and the code reading device can process the first clear code information from the code source database according to the read first clear code information. The first password information in the corresponding whole barcode source information is extracted and sent to the password marking device, and the password marking device can be used to receive and print the first password information sent by the code reading device.

Through the above structure, it is possible to quickly and conveniently code the outer packaging of the product.

Preferably, the code source data includes a single plain data packet and a single encrypted data packet, the plain data packet includes a plurality of variable data second plain code information, and the encrypted data packet includes a plurality of variable data second encrypted information. This facilitates the processing of code source data at the coding system.

Preferably, the coding system includes a conveying device for conveying the outer packaging to be coded, and along the moving direction of the conveying device, a detection device, a clear code marking device, a dark code marking device, a clear code reading device and a dark code reading device are sequentially arranged. Equipment; the clear code marking equipment and the secret code marking equipment are respectively installed on the upper and lower sides of the transmission device, the clear code reading equipment and the clear code marking equipment are set on the same side, and the secret code reading equipment and the secret code marking equipment are set on the same side;

The detection device is used to detect the feeding distance of the outer packaging to be coded; when the clear marking point of the outer packaging to be coded reaches the clear marking equipment, the detection device sends a message to the clear marking equipment for controlling the printing of the clear marking equipment. The action signal of the second code information; the detection device sends an action signal for controlling the code marking equipment to print the second code information to the code marking device when the code marking point on the outer package to be sprayed reaches the code marking device; detection The device sends an action signal for controlling the clear code reading device to read the second clear code information at the corresponding clear code marking point to the clear code reading device when the clear code marking point of the outer package to be sprayed reaches the clear code reading device; The device sends an action signal for controlling the code reading device to read the second code information at the corresponding code marking point to the code reading device when the code marking point on the outer package to be sprayed reaches the code reading device;

The plain code marking equipment can import plain code data packets from the code source database and print variable data, and the secret code marking equipment can import secret code data packets from the code source database and perform variable data printing; The device is used to respectively read the second plain code information and the second secret code information at the same outer package to be coded and perform data association.

Through the above structure, not only can the outer package of the product be coded better, but also a higher error tolerance rate can be provided.

In order to overcome some or some defects of the prior art, the present invention also provides a coding method for product outer packaging.

According to the coding method for product outer packaging of the present invention, it comprises the following steps:

(1) Generate code source data, use the code generation system to process multiple single pieces of information to be coded and generate code source data of variable data, the code source data includes clear code data and encrypted data;

(2) Coding, print the clear code data in the code source data to the outer surface of the outer packaging to be coded, print the code data in the code source data to the inner surface of the outer packaging to be coded, and make the same The plain code data and the code data at the outer packaging of the inkjet code are related to each other.

The coding method of the present invention can preferably realize the anti-counterfeiting coding and coding of the outer packaging of the product, and has the advantages of low production cost, high anti-counterfeiting level, and high production efficiency. Among them, since the plain code data and secret code data on the outer packaging of the same product are related to each other and are printed on the inside and outside, the plain code data and the secret code data are indispensable for anti-counterfeiting verification, so it can have better anti-counterfeiting effect.

Preferably, in step (1), the plurality of single pieces of information to be coded are processed into a plurality of whole bar code source information in one-to-one correspondence, and any whole bar code source information includes divisible first clear code information and first password information;

In step (2), a conveying device is used to transmit the outer package to be coded, and a detection device is used to detect the feeding distance of the outer package to be coded; a clear code marking device is used to print the first Clear code information, the clear code marking equipment acts when the detection device detects that the clear code marking point on the outer package to be sprayed reaches the clear code marking equipment, and the clear code marking equipment extracts from the code source database. The first clear code information and variable data printing; use a code reading device to read the first clear code information printed on the outer packaging to be coded, and the code reading device detects the arrival of the clear code marking point on the outer packaging to be coded by the detection device When the code reading device operates, the code reading device extracts the first code information in the corresponding whole bar code source information from the code source database according to the read first plain code information and sends it to the code marking device; The first code information is printed at the outer package to be coded, and the code marking equipment operates when the detection device detects that the code marking point on the outer package to be coded reaches the code marking device, and the code marking device receives the information sent by the code reading device The first password information and print it.

As preferably, in the step (1), the code source data is processed into a separate clear code data packet and a separate secret code data packet, and the plain code data packet includes multiple variable data second plain code information, and the secret code data packet includes multiple variable data packets. Change the second password information of the data.

In step (2), a conveying device is used to transmit the outer package to be coded, and a detection device is used to detect the feeding distance of the outer package to be coded; a clear code marking device is used to print the second Clear code information, the clear code marking equipment acts when the detection device detects that the clear code marking point on the outer package to be sprayed reaches the clear code marking equipment, and the clear code marking equipment imports the clear code data package from the code source database and performs variable data printing; Use a code marking device to print the second code information on the outer package to be coded, and the code marking device will act when the detection device detects that the code marking point on the outer package to be coded reaches the code marking device, and the code marking device will Import the code data package from the code source database and print the variable data; use a code reading device and a code reading device to read the second code information and the second code information on the same outer packaging to be coded respectively and perform data association.

In order to overcome some or some defects of the prior art, the present invention also provides a product outer package.

According to the product outer packaging of the present invention, it includes an outer packaging body, and the outer packaging body is provided with clear code data and dark code data printed by any of the above-mentioned inkjet coding methods. The product outer package of the present invention can have a higher anti-counterfeiting level.

Preferably, the outer packaging body is a packaging bag, roll film and similar products.

Description of drawings

Fig. 1 is the system block diagram schematic diagram of the inkjet coding system that is used for product outer packaging in embodiment 1;

Fig. 2 is the structural representation of the inkjet coding system that is used for product outer packaging in embodiment 1;

Fig. 3 is the structural representation of the inkjet coding system that is used for product outer packaging in embodiment 2;

Fig. 4 is the structural representation of transmission device in embodiment 3;

Fig. 5 is the structural right view of conveying device in embodiment 3;

FIG. 6 is an enlarged view of the structure of the mounting block in Embodiment 3. FIG.

Detailed ways

In order to further understand the content of the present invention, the present invention will be described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the examples are only for explaining the present invention and not for limiting it.

Example 1

As shown in Figure 1, this embodiment provides a coding system for product packaging, which includes: a coding system, which is used to process multiple pieces of information to be coded and generate variable data Code source data, code source data includes clear code data and secret code data; code source database, used to store code source data; coding system, used to print the clear code data in the code source data to the outer surface of the outer packaging to be coded place, print the code data in the code source data to the inner surface of the outer packaging to be coded, and correlate the clear code data and the code data at the outer packaging to be coded.

In this embodiment, the code source data includes a plurality of entire bar code source information corresponding to the plurality of single pieces of information to be coded one-to-one, and any entire bar code source information includes divisible first plain code information and first secret code information .

As shown in Fig. 2, the coding system includes a conveying device 110 for conveying the outer packaging to be coded. Along the moving direction of the conveying device 110, a detection device, a clear code marking device 140, a code reading device 150 and a code marking device are sequentially arranged. The marking equipment 160, the plain code marking equipment 140 and the secret code marking equipment 160 are respectively arranged on the upper and lower sides of the conveying device 110, and the code reading equipment 150 and the plain code marking equipment 140 are arranged on the same side;

The detection device is used to detect the feeding distance of the outer package to be coded; when the clear marking point of the outer package to be sprayed reaches the clear code marking device 140, the detection device sends a message to the clear code marking device 140 for controlling the clear code marking device. 140 prints the action signal of the first clear code information; the detection device sends a signal to the code reading device 150 to control the code reading device 150 to read the corresponding clear code marking point The action signal of the first plain code information at the location; when the code marking point of the outer packaging to be sprayed reaches the code marking device 160, the detection device sends a signal to the code marking device 160 for controlling the code marking device 160 to print the first code Action signal for information;

The clear code marking device 140 can extract the first clear code information in the plurality of whole bar code source information from the code source database and perform variable data printing, and the code reading device 150 can self-code the code source according to the read first clear code information. The database extracts the first password information from the corresponding whole barcode source information and sends it to the password marking device 160, and the password marking device 160 can be used to receive the first password information sent by the code reading device 150 and print it.

Based on a coding system for product packaging in this embodiment, this embodiment also provides a coding method for product packaging, which includes the following steps:

(1) Generate code source data, use the code generation system to process multiple single pieces of information to be coded and generate code source data of variable data, the code source data includes clear code data and encrypted data;

(2) Coding, print the clear code data in the code source data to the outer surface of the outer packaging to be coded, print the code data in the code source data to the inner surface of the outer packaging to be coded, and make the same The plain code data and the code data at the outer packaging of the inkjet code are related to each other.

In step (1) in this embodiment, the multiple single pieces of information to be coded are processed into a plurality of whole barcode source information in one-to-one correspondence, and any whole barcode source information includes a divisible first plain code information and first password information.

In the step (2) in the present embodiment, utilize a conveying device 110 to transmit the outer package to be sprayed with code, utilize a detection device to detect the feeding distance of the outer package to be sprayed with code; The first clear code information is printed at the outer packaging of the code, and the clear code marking device 140 acts when the detection device detects that the clear code marking point on the outer packaging to be sprayed reaches the clear code marking device 140, and the clear code marking device 140 extracts from the code source database. The first clear code information in the multiple whole bar code source information is printed with variable data; a code reading device 150 is used to read the first clear code information printed at the outer packaging place to be coded, and the code reading device 150 is detected by the detection device. When the clear code marking point of the outer package to be sprayed code reaches the code reading device 150, the code reading device 150 extracts the first code information in the corresponding whole bar code source information from the code source database according to the read first plain code information and Send to the code marking equipment 160; use a code marking device 160 to print the first code information at the outer packaging to be coded, and the code marking device 160 detects that the code marking point on the outer packaging to be coded reaches the code at the detection device When the marking device 160 is activated, the code marking device 160 receives the first code information sent by the code reading device 150 and prints it.

In this embodiment, the detection device includes a sensor 120 and a rotary encoder 130, and the sensor 120 and the rotary encoder 130 are arranged at the same position. Among them, the sensor 120 is used to detect whether the outer packaging of the product to be coded is incoming. When the sensor 120 detects the incoming material of the outer packaging to be coded, it sends an action signal to the rotary encoder 130, and then the rotary encoder 130 starts to work. The device 130 is used to detect the feeding distance of the outer package to be coded, so as to realize fixed-point printing.

The code generation system and code printing system in this embodiment can use existing corresponding equipment, and the code printing system can select two-dimensional codes, bar codes, etc. for printing according to actual conditions.

In this embodiment, the outer package to be coded is provided with a feed color mark point for detection by the sensor 120. When the sensor 120 senses the feed color mark point, the rotary encoder 130 is controlled to act, and then the rotary encoder 130 starts to calculate the color mark of the code to be sprayed. The feeding distance of the packaging controls the actions of the plain code marking device 140, the code reading device 150 and the secret code marking device 160 in sequence, and prints the next piece of data after the printing is completed.

In this embodiment, when the outer package to be coded is roll film products, in the actual printing process, the code source data is sequentially printed on a whole roll film, and the adjacent roll films are usually printed with colored tape Adhesive splicing. In order to prevent data misalignment caused by the sensor 120 missensing the colored tape at the splicing place, set the color mark point spacing and the allowable error range. If the error exceeds the set range, this piece of data will not be put into the array to prevent data misalignment.

In this embodiment, when the code reading device 150 cannot read the first plain code information or cannot find the first code information, it sends a blank signal to the code marking device 160, so as to better prevent data misalignment.

In this embodiment, the code reading device 150 can establish data arrays for the first clear code information and the first secret code information respectively to realize data alignment. In addition, since the clear code marking device 140 and the secret code marking device 160 have a certain space Therefore, the data correlation between two data arrays can be realized by setting the number of delays.

Based on the coding system and method for product outer packaging in this embodiment, this embodiment also provides a product outer packaging, which includes an outer packaging body. The first plain code information and the first secret code information printed by the code system and method. Among them, the outer packaging body is a packaging bag, roll film and similar products.

In a product outer package of this embodiment, the first plain code information is on the outside, and the first password information is on the inside. The first clear code information and the first password information are related to each other, and the first password needs to be input on the basis of the first plain code information. The information can be verified, so as to have a better anti-counterfeiting level.

Example 2

This embodiment also provides a coding system for outer packaging of products, the difference from Embodiment 1 is as follows.

In this embodiment, the code source data includes a single plain data packet and a single encrypted data packet, the plain data packet includes a plurality of variable data second plain code information, and the encrypted data packet includes a plurality of variable data second encrypted information.

As shown in FIG. 3 , the coding system in this embodiment includes a conveying device 110 for conveying the outer packaging to be coded. Along the moving direction of the conveying device 110, a detection device, a clear code marking device 140, and a code marking device 140 are sequentially arranged. marking equipment 160, clear code reading equipment 211 and secret code reading equipment 212; On the same side, the code reading device 212 and the code marking device 160 are arranged on the same side;

The detection device is used to detect the feeding distance of the outer package to be coded; when the clear marking point of the outer package to be sprayed reaches the clear code marking device 140, the detection device sends a message to the clear code marking device 140 for controlling the clear code marking device. 140 prints the action signal of the second plain code information; the detection device sends a signal for controlling the code marking device 160 to print the second code to the code marking device 160 when the code marking point on the outer package to be sprayed reaches the code marking device 160 The action signal of the information; when the clear code marking point of the outer package to be sprayed reaches the clear code reading device 211, the detection device sends the code for controlling the clear code reading device 211 to read the corresponding clear code marking point to the clear code reading device 211. The action signal of the second clear code information; when the code marking point on the outer package to be sprayed reaches the code reading device 212, the detection device sends a signal to the code reading device 212 for controlling the code reading device 212 to read the corresponding code marking The action signal of the second password information at the point;

The plain code marking device 140 can import the plain code data packet from the code source database and perform variable data printing, and the secret code marking device 160 can import the secret code data packet from the code source database and perform variable data printing; the plain code reading device 211 and The code reading device 212 is used to respectively read the second plain code information and the second code information at the same outer package to be coded and perform data association.

Based on a coding system for product packaging in this embodiment, this embodiment also provides a coding method for product packaging, which has the following differences compared with the coding method in Example 1 .

In the step (1) of the present embodiment, the code source data is processed into a separate clear code data packet and a separate secret code data packet, and the plain code data packet includes a plurality of variable data second plain code information, and the secret code data packet includes a plurality of Variable data second password information.

In the step (2) of the present embodiment, a conveying device 110 is used to transmit the outer packaging to be coded, and a detection device is used to detect the feeding distance of the outer packaging to be coded; The second clear code information is printed at the outer packaging, and the clear code marking device 140 acts when the detection device detects that the clear code marking point on the outer package to be sprayed reaches the clear code marking device 140, and the clear code marking device 140 imports the clear code from the code source database. Data packet and variable data printing; use a code marking device 160 to print the second code information at the outer packaging to be coded, and the code marking device 160 detects the arrival of the code marking point on the outer packaging to be coded by the detection device When the code marking device 160 is activated, the code marking device 160 imports the code data package from the code source database and prints the variable data; a code reading device 211 and a code reading device 212 are used to read the same code to be sprayed respectively. The second clear code information and the second password information at the outer packaging are associated with data.

Example 3

As shown in Figures 4, 5 and 6, this embodiment provides a delivery device 110 used in Embodiment 1 or 2.

In this embodiment, the transmission device 110 includes two parallel mounting plates 111, and a plurality of horizontal first shafts 112a are equidistantly arranged between the two parallel mounting plates 111, and any one of the first shafts 112a is A plurality of first rollers 113a are sleeved to the rotation, and the packaging bag 170 is driven above all the first rollers 113a; any mounting plate 111 is provided with a bump 114 above the bump 114, and a limit strip 1141 is arranged above the bump 114 to limit the position. Bar 1141 can slide up and down in an installation chamber 1151, and the mouth of installation chamber 1151 is located on the bottom surface of an installation block 115; there is also a slideway 1152 with a width smaller than the width of installation chamber 1151 on the outside of installation block 115, and a shift block 11411 is on the slideway 1152 Slide up and down inside, the shifting block 11411 is connected with the limit bar 1141, the outer end of the shifting block 11411 is a threaded structure, and a fastening nut 116 is sleeved on the shifting block 11411 and can be fastened on the outer surface of the mounting block 115; the mounting block 115 There is also an adjusting nut 117 on the top, and the adjusting nut 117 passes through the installation 115 and leads into the installation cavity 1151 to abut against the top surface of the limiting bar 1141 . A horizontal second shaft 112b is disposed between the two opposite mounting blocks 115, and a second roller 113b is rotatably sleeved on the second shaft 112b, and the second roller 113b is in one-to-one correspondence with the first roller 113a.

The left and right ends of the mounting plate 111 are respectively provided with a discharge cylinder 118 and a material receiving cylinder 119, and the packaging bag 170 on the discharge cylinder 118 passes through the gap between the second roller 113b and the first roller 113a and then is released by the material receiving cylinder 119. Involve; the material receiving cylinder 119 is driven and rotated by a servo motor, and the servo motor is controlled by the PLC of the production line.

In this embodiment, the top surface of the protrusion 114 is flush with the top surface of the first roller 113a, and the bottom surface of the mounting block 115 is flush with the bottom surface of the second roller 113b.

Through the transmission device 110 in this embodiment, it is possible to effectively compress the outer packaging to be sprayed between the discharging cylinder 118 and the receiving cylinder 119, so that the plain code marking equipment 140 and the secret code marking equipment 160 are convenient for printing. One-time printing is performed on both sides of the coded outer packaging; wherein, the distance between the first roller 113a and the second roller 113b can be effectively adjusted, which is suitable for printing of different thicknesses of the outer packaging to be coded; the specific adjustment method is as follows: first Loosen the fastening nut 116, and then turn the adjusting nut 117 forward or reversely, so that the amount of the adjusting nut 117 extending into the installation cavity 1151 becomes longer or shorter. Since the adjusting nut 117 is against the limit bar 1141, the limit bar 1141 With the forward and reverse rotation of the adjusting nut 117, it protrudes or protrudes into the installation cavity 1151, which can effectively raise or reduce the height of the installation block 115, thereby increasing or reducing the first roller 113a and the second roller 113b the distance between.

The above schematically describes the present invention and its implementation, which is not restrictive, and what is shown in the drawings is only one of the implementations of the present invention, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, without departing from the inventive concept of the present invention, without creatively designing a structural mode and embodiment similar to the technical solution, it shall all belong to the protection scope of the present invention .

Claims (2)

1. A coding system for product outer packaging, characterized in that: including, Code generation system, the code generation system is used to process multiple single pieces of information to be coded and generate code source data of variable data. The code source data includes plain code data and secret code data; a code source database for storing code source data; and The coding system is used to print the clear code data in the code source data to the outer surface of the outer packaging to be coded, and print the dark code data in the code source data to the inner surface of the outer packaging to be coded, and the same The clear data and encrypted data at the outer packaging are interrelated; The code source data includes a plurality of whole bar code source information corresponding to the plurality of single pieces of information to be coded one by one, and any whole bar code source information includes divisible first plain code information and first encrypted code information; The coding system includes a conveying device (110) for conveying the outer packaging to be coded, and along the moving direction of the conveying device (110), a detection device, a clear code marking device (140), a code reading device (150) and The secret code marking equipment (160), the clear code marking equipment (140) and the secret code marking equipment (160) are respectively arranged on the upper and lower sides of the transmission device (110), and the code reading equipment (150) and the clear code marking equipment (140) on the same side; The detection device is used to detect the feeding distance of the outer package to be coded; when the clear marking point of the outer package to be sprayed reaches the clear code marking device (140), the detection device sends a signal to the clear code marking device (140) for control. The clear code marking device (140) prints the action signal of the first clear code information; when the detection device reaches the code reading device (150) when the clear code marking point of the outer package to be sprayed code reaches the code reading device (150), it sends a signal for controlling the reading code to the code reading device (150). The code equipment (150) reads the action signal of the first plain code information at the corresponding plain code marking point; (160) sending an action signal for controlling the code marking device (160) to print the first code information; The clear code marking device (140) can extract the first clear code information in the plurality of whole bar code source information from the code source database and perform variable data printing, and the code reading device (150) can The information extracts the first password information in the corresponding whole barcode source information from the code source database and sends it to the password marking device (160), and the password marking device (160) can be used to receive the first code information sent by the code reading device (150). A password message and print it. 2. A coding method for product outer packaging, which comprises the following steps: (1) Generate code source data, use the code generation system to process multiple single pieces of information to be coded and generate code source data of variable data, the code source data includes plain code data and secret code data; (2) Coding, print the clear code data in the code source data to the outer surface of the outer packaging to be coded, print the code data in the code source data to the inner surface of the outer packaging to be coded, and make the same The plain code data and code data at the outer packaging of the inkjet code are related to each other; In step (1), the plurality of single pieces of information to be coded are processed into a plurality of whole bar code source information in one-to-one correspondence, and any whole bar code source information includes divisible first clear code information and first secret code information; In step (2), a conveying device (110) is used to transmit the outer packaging to be coded, and a detection device is used to detect the feeding distance of the outer packaging to be coded; The first clear code information is printed at the outer packaging, and the clear code marking device (140) acts when the detection device detects that the clear code marking point on the outer packaging to be sprayed reaches the clear code marking device (140), and the clear code marking device (140) automatically The code source database place extracts the first clear code information in the multiple whole bar code source information and performs variable data printing; utilizes a code reading device (150) to read the first clear code information printed at the outer packaging place to be sprayed with codes, and reads The code device (150) acts when the detection device detects that the clear code marking point on the outer package to be coded reaches the code reading device (150), and the code reading device (150) processes the code from the code source database according to the read first clear code information. Extract the first password information in the corresponding whole barcode source information and send to password marking equipment (160); Utilize a password marking equipment (160) to print the first password information at the outer packaging place to be sprayed code, password marking equipment ( 160) Action when the detection device detects that the code marking point on the outer package to be sprayed reaches the code marking device (160), the code marking device (160) receives the first code information sent by the code reading device (150) and to print.