CN114799014B

CN114799014B - Forging clamping device for stainless steel standard part

Info

Publication number: CN114799014B
Application number: CN202210465195.1A
Authority: CN
Inventors: 刘国平; 唐良
Original assignee: Jiangsu Senjimir Metal Products Co ltd
Current assignee: Jiangsu Senjimir Metal Products Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-25
Anticipated expiration: 2042-04-29
Also published as: CN114799014A

Abstract

The invention relates to the technical field of forging, and discloses a forging piece clamping device for forging a stainless steel standard piece, which comprises a movable arm, wherein one end of the movable arm is provided with an insertion groove, a water cooling channel is formed in the movable arm, a fixed rod is inserted in the insertion groove, one end of the fixed rod is fixedly connected with a clamping block, the clamping block and the fixed rod are provided with communicated compensation grooves, a T-shaped block is movably sleeved in the compensation grooves, and one end of the T-shaped block is fixedly connected with an electromagnet I. According to the invention, the T-shaped block is attached to the forging piece, so that the electromagnet I and the electromagnet II generate magnetism when acquiring current and generate mutual exclusion reaction, and thus, repulsion force acts on the T-shaped block to provide pressure compensation for the T-shaped block, so that the clamping block is deformed due to overhigh temperature of the forging piece, and the T-shaped block can still be normally clamped with the forging piece under the compensation pressure when the clamping is loosened, thereby avoiding the falling of the forging piece.

Description

Forging of stainless steel standard piece is got device with forging clamp

Technical Field

The invention relates to the technical field of forging, in particular to a forging clamping device for forging a stainless steel standard part.

Background

The forging of the stainless steel standard part needs a method of applying pressure to a stainless steel blank by using a forging and pressing machine to enable the stainless steel blank to generate plastic deformation so as to obtain a forged piece with certain mechanical property and certain shape and size.

Because the heated blank has very high temperature, when the blank is clamped by the clamp, high temperature is transmitted to various rear parts through the clamping part of the clamp, and under the long-time use, each part is corroded by high temperature to cause serious problems of deformation, stress fracture, clamping failure and the like.

Disclosure of Invention

The forging piece clamping device for forging and processing the stainless steel standard part has the advantages that circulating water cooling is used for blocking and cooling high-temperature transmission, a fixed rod forms a temperature gradient difference, air bags on two sides of a kinetic energy cavity are different in deformation amount under the temperature difference, the deformation amount of the air bags is large, a magnet I and a magnet II are used, a magnet III is close to improve stress, the deformation amount of the air bags is small, the magnet I and the magnet II are used, the magnet III is far away from the fixed rod to reduce stress, a rotating roller continuously rotates under the condition that the left air bag and the right air bag are not uniformly stressed, a lead cutting magnetic field generates induction current, the electromagnet I and the electromagnet II carry out mutual repulsion under the action of the induction current, repulsion force provides extra compensation force for a T-shaped block, and the T-shaped block is still attached to a forging piece when the clamping block is deformed.

The invention provides the following technical scheme: the utility model provides a device is got with forging clamp to stainless steel standard piece forging processing, includes the digging arm, the inserting groove has been seted up to the one end of digging arm, the water-cooling passageway has been seted up in the digging arm, it has the dead lever to peg graft in the inserting groove, the one end fixedly connected with clamp of dead lever gets the piece, the clamp gets the compensation groove of seting up the intercommunication on piece and the dead lever, the activity of compensation inslot has cup jointed the T-shaped piece, the one end fixedly connected with electro-magnet I of T-shaped piece, the compensation groove is kept away from and is got the one end fixedly connected with electro-magnet II of getting the piece, the like magnetic pole of electro-magnet I and electro-magnet II is relative, the kinetic energy chamber has been seted up on the dead lever, the magnet I of fixedly connected with equipartition on the inner wall in kinetic energy chamber, the center swing joint in kinetic energy chamber has the live-rollers, the wire of fixedly connected with equipartition on the live-rollers, the gasbag of fixedly connected with equipartition on the live rollers, the both ends difference fixedly connected with magnet II and magnet III of gasbag.

Preferably, bolt holes are formed in the fixed rod and the movable arm, and fastening bolts are connected to the bolt holes in an internal thread mode.

Preferably, the kinetic energy chamber is circular in cross-section.

Preferably, the circular shape of the kinetic energy cavity is bilaterally symmetrical by the opening of the insertion groove.

Preferably, an electric slip ring is fixedly sleeved in the fixing rod, and the conducting wire is communicated with the conducting wires on the electromagnet I and the electromagnet II through the electric slip ring.

Preferably, the magnet I, the magnet II and the magnet III are all high-temperature resistant magnets.

Preferably, the magnet II and the magnet I attract each other, and the magnet III and the magnet I repel each other.

The invention has the following beneficial effects:

1. according to the invention, cooling water circulates in the water cooling channel, so that after the forging transfers heat to the clamping block and the fixed rod, the circulating cooling water can rapidly cool the joint of the fixed rod and the movable arm and isolate the heat from the joint, thereby avoiding high-temperature damage of rear parts caused by further advance of heat transfer.

2. The air bag close to the clamping block expands and deforms under the influence of high temperature, so that the magnet II on the air bag is close to the adjacent magnet I, the magnet III on the air bag is close to the adjacent magnet I, the magnet II is attracted by the adjacent magnet I, the magnet III is repelled by the adjacent magnet I, meanwhile, the air bag in the direction of the inserting groove is relatively contracted under the influence of low temperature, the magnet II on the air bag is far away from the adjacent magnet I, the magnet III on the air bag is far away from the adjacent magnet I, the stress in the direction is reduced, the rotating roller rotates under the difference of left and right stress, the wire cuts a constantly changing magnetic field to generate induced current, and the current support is provided for the electromagnet.

3. According to the invention, the T-shaped block is attached to the forging piece, so that the electromagnet I and the electromagnet II generate magnetism when acquiring current and generate mutual exclusion reaction, and thus, repulsion force acts on the T-shaped block to provide pressure compensation for the T-shaped block, so that the clamping block is deformed due to overhigh temperature of the forging piece, and the T-shaped block can still be normally clamped with the forging piece under the compensation pressure when the clamping is loosened, thereby avoiding the falling of the forging piece.

4. According to the invention, through the water cooling circulation of the water cooling channel, the temperature of the part of the fixing rod inserted into the insertion groove and the part close to the part are far lower than the direction of the clamping block, so that the temperature change on the fixing rod is changed in a gradient manner, the temperature of the position of the magnet I is low, the occurrence of demagnetization is avoided, meanwhile, the kinetic energy cavity takes the port of the insertion groove as a boundary, the left and right temperature difference is obvious, and the expansion and compression changes of the air bag can be achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a movable arm structure according to the present invention;

FIG. 3 is a schematic view of the structure of the insertion groove of the present invention;

FIG. 4 is a schematic view of a fixing rod according to the present invention;

FIG. 5 is an enlarged view of a portion of the structure shown in FIG. 4A according to the present invention;

fig. 6 is a schematic view of the electrical slip ring structure of the invention.

In the figure: 1. a movable arm; 2. fastening a bolt; 3. inserting grooves; 4. a water-cooling channel; 5. bolt holes; 6. a fixing rod; 7. a gripping block; 8. a compensation groove; 9. a T-shaped block; 10. an electromagnet I; 11 electromagnet II; 12. a kinetic energy chamber; 13. a magnet I; 14. a rotating roller; 15. a wire; 16. an air bag; 17. a magnet II; 18. a magnet III; 19. an electrical slip ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1 to 3, a forging clamping device for forging stainless steel standard parts includes a movable arm 1, the movable arm 1 is connected to a power device (not shown), a plugging slot 3 is formed at one end of the movable arm 1, a water cooling channel 4 is formed in the movable arm 1, the water cooling channel 4 is connected to a circulating cooling system (not shown), a fixing rod 6 is inserted in the plugging slot 3, bolt holes 5 are formed in the fixing rod 6 and the movable arm 1, and a fastening bolt 2 is screwed in the bolt holes 5, so that when the high temperature of the forging is transmitted to the movable arm 1 through the clamping block 7 and the fixing rod 6, the cooling water can cool the high temperature at the plugging slot 3, so that the plugging slot 3 is in a low temperature state, and the fixing rod 6 forms a temperature gradient change from the plugging slot 3 to the clamping block 7.

Referring to fig. 1 to 2 and 4, one end of a fixing rod 6 is fixedly connected with a clamping block 7, the clamping block 7 and the fixing rod 6 are provided with a communicated compensation groove 8, a T-shaped block 9 is movably sleeved in the compensation groove 8, one end of the T-shaped block 9 is attached to a forging piece, one end of the T-shaped block 9 is fixedly connected with an electromagnet I10, one end, far away from the clamping block 7, of the compensation groove 8 is fixedly connected with an electromagnet II 11, the same-polarity magnetic poles of the electromagnet I10 and the electromagnet II 11 are opposite, when mutual exclusion reaction occurs, repulsive force can act on the T-shaped block 9, the T-shaped block 9 obtains an extra compensation force and is always attached to the forging piece, and when the clamping block 7 is clamped to fail, the clamping state can still be maintained.

Referring to fig. 2, 4 to 6, an electrical slip ring 19 is fixedly sleeved in a fixing rod 6, a kinetic energy cavity 12 is formed in the fixing rod 6, the cross section of the kinetic energy cavity 12 is circular, the circular kinetic energy cavity 12 is bilaterally symmetrical with an opening of an insertion groove 3, the kinetic energy cavity 12 is close to the insertion groove 3, so that the temperature in the range of the kinetic energy cavity 12 is relatively low, high-temperature demagnetization of a magnet i 13, a magnet ii 17 and a magnet iii 18 is avoided, subsequent component action failure is caused, a temperature difference is formed on the left side and the right side of the kinetic energy cavity 12, the subsequent expansion deformation of a left air bag 16 and a right air bag 16 can be relatively poor, the left side and the right side are guaranteed to be unevenly stressed, the magnet i 13 is fixedly connected to the inner wall of the kinetic energy cavity 12 uniformly, the rotating roller 14 is movably connected to the center of the kinetic energy cavity 12, the uniformly distributed wires 15 are fixedly connected to the rotating roller 14, the wires 15 are communicated with the electromagnets i 10 and ii 11 through the electrical slip ring 19, so that the wires 15 can synchronously rotate along with the rotating roller 14, and the magnets 13, the magnets 17 and the magnets iii continuously change in the motion process, and the magnetic field of the electromagnets i and the electromagnets 11 can obtain induced current.

Referring to fig. 5, an air bag 16 is fixedly connected to a rotating roller 14, the air bag 16 is filled with an expandable gas, two ends of the air bag 16 are respectively and fixedly connected with a magnet ii 17 and a magnet iii 18, the magnets i 13, ii 17 and iii 18 are all high temperature resistant magnets, the magnet ii 17 and the magnet i 13 attract each other, the magnet iii 18 and the magnet i 13 repel each other, the air bag 16 on the left side of the kinetic energy chamber 12 absorbs heat to expand and deform, the magnet ii 17 on the air bag 16 is close to the adjacent magnet i 13 and is attracted by the magnet i 13, the magnet iii 18 on the air bag 16 is close to the adjacent magnet i 13 and is repelled by the magnet i 13, meanwhile, the air bag on the right side is subjected to compression deformation under the influence of low temperature, the magnet ii 17 on the air bag 16 is far away from the adjacent magnet i 13, the magnet iii 18 on the air bag 16 is far away from the adjacent magnet i 13, the attraction of the adjacent magnet i 13 to the magnet ii 17 is reduced, the repulsion of the adjacent magnet i 13 to the magnet 18 is reduced, the stress of the air bag 16 is reduced, the force of the air bag 16 is reduced, and the kinetic energy chamber 12 on the left and the right side of the air bag is reduced to rotate clockwise.

The use method (working principle) of the invention is as follows:

firstly, the movable arm 1 is driven by a power device to enable the fixed rod 6 to drive the clamping block 7 to be attached to a forge piece, the end face of the T-shaped block 9 is attached to the forge piece, the high temperature of the forge piece is transmitted to the movable arm 1 through the clamping block 7 and the fixed rod 6, then the circulating cooling system is started to enable cooling water to start circulating in the water cooling channel 4, the cooling water is cooled at the inserting groove 3, the temperature in the direction of the inserting groove 3 is far smaller than that in the direction of the forge piece, and a temperature difference gradient is formed on the fixed rod 6;

then, the temperature of the left side of the kinetic energy cavity 12 is higher than that of the right side, so that the air bag 16 on the left side of the kinetic energy cavity 12 absorbs heat to expand and deform, the magnet II 17 on the air bag 16 is close to the adjacent magnet I13 and is attracted by the magnet I13, the magnet III 18 on the air bag 16 is close to the adjacent magnet I13 and is repelled by the magnet I13, meanwhile, the air bag on the right side is subjected to compression deformation under the influence of low temperature, the magnet II 17 on the air bag 16 is far away from the adjacent magnet I13, the magnet III 18 on the air bag 16 is far away from the adjacent magnet I13, the attraction of the adjacent magnet I13 to the magnet II 17 is reduced, the repulsion of the adjacent magnet I13 to the magnet III 18 is reduced, the overall stress of the air bag 16 is reduced, the air bags on the left side and the right side of the kinetic energy cavity 12 are subjected to differential stress, the rotating roller 14 rotates clockwise, the lead wires 15 on the rotating roller synchronously cut the constantly changing magnetic field to generate induction current, the electromagnet I10 and the electromagnet II 11 are electrified to obtain magnetism, and generate repulsion reaction;

finally, when the clamping block 7 deforms due to the influence of high temperature, and the clamping of the forging piece is loosened, the mutual repulsion force of the electromagnet I10 and the electromagnet II 11 acts on the T-shaped block 9, so that the T-shaped block 9 is still tightly attached to the forging piece, and after the forging is completed, the fixing rod 6 is integrally replaced or the deformed clamping block 7 is repaired.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device is got with forging clamp to stainless steel standard forging processing, includes digging arm (1), its characterized in that: an inserting groove (3) is formed in one end of the movable arm (1), a water cooling channel (4) is formed in the movable arm (1), a fixing rod (6) is inserted in the inserting groove (3), one end of the fixing rod (6) is fixedly connected with a clamping block (7), communicated compensation grooves (8) are formed in the clamping block (7) and the fixing rod (6), a T-shaped block (9) is movably sleeved in the compensation groove (8), an electromagnet I (10) is fixedly connected to one end of the T-shaped block (9), one end, far away from the clamping block (7), of the compensation groove (8) is fixedly connected with an electromagnet II (11), the electromagnet I (10) and the electromagnet II (11) are opposite in same-polarity magnetic pole, a kinetic energy cavity (12) is formed in the fixing rod (6), a uniformly distributed magnet I (13) is fixedly connected to the inner wall of the kinetic energy cavity (12), a rotating roller (14) is movably connected to the center of the kinetic energy cavity (12), uniformly distributed wires (15) are fixedly connected to the rotating roller (14), an airbag (16) is fixedly connected to the uniformly distributed airbag (16), and two kinetic energy magnets (18) and magnet (17) are respectively connected to two ends of the fixing roller (II);

the cross section of the kinetic energy cavity (12) is circular, the opening bilateral symmetry of the circular kinetic energy cavity (12) with the insertion groove (3) is fixed with an electric slip ring (19) in the fixing rod (6), a wire (15) is communicated with a wire on the electromagnet I (10) and the electromagnet II (11) through the electric slip ring (19), the magnet II (17) and the magnet I (13) attract each other, and the magnet III (18) and the magnet I (13) repel each other.

2. The forging clamping device for forging of the stainless steel standard part as claimed in claim 1, wherein: bolt holes (5) are formed in the fixed rod (6) and the movable arm (1), and fastening bolts (2) are connected to the bolt holes (5) in an internal thread mode.

3. The forging clamping device for forging of the stainless steel standard part as claimed in claim 1, wherein: and the magnet I (13), the magnet II (17) and the magnet III (18) are all high-temperature resistant magnets.