Summary of the invention
Lower, the polishing biggish defect of difficulty that there are working efficiencies in order to overcome existing spiral case polishing technology, the present invention mention
A kind of centrifugal pump spiral casing burnishing device is supplied, which, which not only realizes, polishes spiral case inner surface, and realizes
The purposes of energy-saving and emission-reduction.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of centrifugal pump spiral casing burnishing device, including workbench, abrasive grain pond, take out grain unit, for stirring in abrasive grain pond
The agitating device and polishing unit of abrasive grain, the abrasive grain pond are mounted on the lower section of workbench, and the pumping grain unit includes taking out mill
Grain pump and motor, the motor is located at the rear for taking out abrasive grain pump and motor shaft is connect by shaft coupling with the pump shaft for taking out abrasive grain pump,
The abrasive particle inlet for taking out abrasive grain pump is connect by input channel with abrasive grain pond;
The polishing unit includes impeller, fixing axle, bearing holder (housing, cover), bearing (ball) cover and is polished spiral case, is polished spiral case peace
On the table, the abrasive particle inlet for being polished spiral case is connected dress by the abrasive grain outlet of conveyance conduit and pumping abrasive grain pump, is polished
The abrasive grain outlet of spiral case is connect by output channel with abrasive grain pond, is polished at the snail shape portion cavity of spiral case and is equipped with impeller, Gu
Dead axle or so lateral arrangement, impeller are mounted on one end of fixing axle, and the other end of fixing axle can be rotated by tapered roller bearing
Be mounted on bearing holder (housing, cover), bearing (ball) cover, which is located at the outside of bearing holder (housing, cover) and is fixed on by bolt together with bearing holder (housing, cover), is polished spiral case
On;The bottom for being polished the snail shape portion of spiral case is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, institute
Abrasive grain is stated to remove at mouth equipped with blocking.
Further, the agitating device includes agitating shaft, agitator arm, bevel gear box and belt drive unit, described to stir
It mixes impeller to be mounted on the lower end of agitating shaft and be located in abrasive grain pond, the upper end of the agitating shaft passes through shaft coupling and bevel gear box
Axis connection is exported, the belt drive unit includes big belt pulley, small belt pulley and belt, and the small belt pulley is mounted on motor
Motor shaft on, the big belt pulley is mounted on the input shaft of bevel gear box, and the small belt pulley passes through belt and big belt
Wheel connection.
Further, the conveyance conduit is connect by a convex flange with the abrasive particle inlet for being polished spiral case, described
Output channel is connected also by a convex flange with the abrasive grain outlet for being polished spiral case.
Further, the burnishing device further includes the support frame for being used to support conveyance conduit, and support frame as described above includes vertical
Column and the support tube passed through for conveyance conduit, the lower end of the column is fixed on the table, and the upper end of the column is fixed
There is support tube.
Beneficial effects of the present invention are mainly manifested in: the purpose of the present apparatus is to process water pump spiral casing surface roughness, subtract
The surface roughness of small casting spiral case, can reduce the transporting resistance of pumped (conveying) medium, help to improve the efficiency of pump, reach energy conservation
The purpose of emission reduction;For reducing energy consumption, reducing disposal of pollutants simultaneously, raising energy utilization rate plays a significant role drag reduction,
Particularly important for the working efficiency for improving pump especially in field of fluid machinery, the design of the burnishing device has important
Engineering value and theory significance;This device has the characteristics that easy to operate, structure is simple, high-efficient, and can reduce the energy
It consumes, is pollution-free;The present invention can be such that abrasive grain smoothly supplies while polishing to centrifugal pump spiral casing inner surface by agitating device
It answers, while realizing the purpose of energy-saving and emission-reduction.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 3, a kind of centrifugal pump spiral casing burnishing device, including workbench 1, abrasive grain pond 12, take out grain unit,
For stirring the agitating device 11 and polishing unit 3 of abrasive grain in abrasive grain pond 12, the abrasive grain pond 12 is mounted under workbench 1
Side, the pumping grain unit include taking out abrasive grain pump 8 and motor 13, and the motor 13 is located at the rear for taking out abrasive grain pump 8 and motor shaft
131 are connect by shaft coupling 14 with the pump shaft 81 for taking out abrasive grain pump 8, and the abrasive particle inlet for taking out abrasive grain pump 8 passes through input channel 9 and abrasive grain
Pond 12 connects;
The polishing unit packet 3 includes impeller 33, fixing axle 37, bearing holder (housing, cover) 39, bearing (ball) cover 310 and is polished spiral case 32,
It is polished spiral case 32 to be mounted on workbench 1, the abrasive particle inlet for being polished spiral case 32 passes through conveyance conduit 4 and abrasive grain pump 8 of smoking
Abrasive grain outlet connection, the abrasive grain outlet for being polished spiral case 32 are connect by output channel 2 with abrasive grain pond 12, and spiral case 32 is polished
Impeller 33,37 or so lateral arrangement of fixing axle are installed, impeller 33 is mounted on one end of fixing axle 37, fixed at snail shape portion cavity
The other end of axis 37 is rotatably mounted on bearing holder (housing, cover) 39 by tapered roller bearing 38, and bearing (ball) cover 310 is located at bearing holder (housing, cover)
39 outside and being fixed on by bolt 36 together with bearing holder (housing, cover) is polished on spiral case 32;It is polished the bottom in the snail shape portion of spiral case 32
Portion is equipped with abrasive grain and removes mouth, and the abrasive grain is removed mouth and is connected to snail shape portion cavity, and the abrasive grain, which is removed, is equipped with blocking at mouth.
Further, the agitating device 11 includes agitating shaft 111, agitator arm, bevel gear box 7 and belt drive unit 6,
The agitator arm is mounted on the lower end of agitating shaft 111 and is located in abrasive grain pond 12, and the upper end of the agitating shaft 111 passes through shaft coupling
The output axis connection of device 10 and bevel gear box 7, the belt drive unit 6 includes big belt pulley, small belt pulley and belt, described
Small belt pulley is mounted on the motor shaft 131 of motor, and the big belt pulley is mounted on the input shaft of bevel gear box 7, described small
Belt pulley is connect by belt with big belt pulley.
Further, the conveyance conduit 4 is connect by a convex flange 35 with the abrasive particle inlet for being polished spiral case 32,
The output channel 2 is connected also by a convex flange 31 with the abrasive grain outlet for being polished spiral case 32.
Further, the burnishing device further includes the support frame 5 for being used to support conveyance conduit, and support frame as described above 5 includes
Column and the support tube passed through for conveyance conduit, the lower end of the column are fixed on workbench 1, and the upper end of the column is solid
Surely there is support tube.
As shown in Figure 1, input channel is DN65 input channel, conveyance conduit DN50, output channel is DN80 efferent duct
Road, the polishing unit 3, support frame 5, bevel gear box 7, take out abrasive grain pump 8, abrasive grain pond 12, motor 13 be all mounted on workbench 1
On, DN80 output channel connection polishing unit 3 and abrasive grain pond 12;DN50 conveyance conduit connection polishing unit 3 and pumping abrasive grain pump 8,
5 upper end of support frame as described above plays a supporting role to conveyance conduit 4, and the belt drive unit 6 is connected to motor 13 and bevel gear
Between case 7, the DN65 input channel 9, which is connected to, takes out abrasive grain pump 8 and abrasive grain pond 12, and it is defeated that the shaft coupling 10 connects bevel gear box
Shaft and agitating shaft 111, the shaft coupling 14 connect motor shaft 131 and take out abrasive grain pump shaft 81, drive and take out 8 operating of abrasive grain pump.
Connect with output channel 2 as shown in figure 3, being polished spiral case 32 by convex flange 31, by convex flange 35 and
Conveyance conduit 4 connects, and impeller 33 is fixed on axis by inside installation impeller 33, the fixing axle 37 by nut 34, the shaft shoulder two
Side passes through tapered roller bearing 38, and 39 sets of the bearing holder (housing, cover) plays a supportive role outside tapered roller bearing, the bearing (ball) cover
310 are fixed on and are polished on spiral case 32 by bolt 36 together with the bearing holder (housing, cover) 39, are sealed, and then together with fixing axle
37, bearing holder (housing, cover) 39 plays the fixed function to impeller 33.
The output end for taking out abrasive grain pump 8 is connected to by conveyance conduit 4 with spiral case 32 is polished, and the input terminal for taking out abrasive grain pump 8 is logical
Input channel 9 is crossed to be connected to abrasive grain pond 12.
The bevel gear box input shaft is lateral shaft, and output shaft is vertical axis, not only realizes the purpose of deceleration, while real
The steering of power is showed.
The agitating shaft 111 of the agitating device 11 protrudes into abrasive grain pond 12 and is stirred, to realize the regular supply of abrasive grain.
The working principle of the invention:
It installs, is driven by motor 13 and take out abrasive grain pump and 8 operated, extracted out abrasive grain by input channel 9, when filling
Since impeller 33 remains in operation after the full entire pump housing, and then abrasive grain flows into polishing unit by conveyance conduit 4 with certain rate
3;Into polishing unit 3 due to the drainage of impeller 33, abrasive grain is flowed to different directions, is thrown to contacted wall surface
Light;Unit 3 is polished when abrasive grain and chip will be flowed out full of entire impeller 33, passes through output channel 2 and flows into abrasive grain pond.It is polishing
Simultaneously, motor 13 transfers power to bevel gear box 7 by pulley gear 6 to process, then by bevel gear box 7 and shaft coupling
Device 10 slows down, and driving agitating shaft 111 operates, and is stirred to the abrasive grain in abrasive grain pond 12, to guarantee regular supply.
After spiral case completion of processing, just it is disassembled from conveyance conduit 4, output channel 2 and workbench 1, impeller
33, bearing holder (housing, cover) 39, bearing (ball) cover 310 also disassemble together.
Abrasive grain removes the design of mouth, is to pull out blocking because having remaining abrasive grain after work finishes in spiral case
Flow out remaining abrasive grain.