CN113305720A

CN113305720A - Self-cleaning type polishing device for machining of mine pump shaft

Info

Publication number: CN113305720A
Application number: CN202110680595.XA
Authority: CN
Inventors: 刘天羿
Original assignee: Wuxi Hualeng Machinery Co ltd
Current assignee: Wuxi Hualeng Machinery Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-08-27
Anticipated expiration: 2041-06-18
Also published as: CN113305720B

Abstract

The invention relates to a self-cleaning type polishing device for processing a mine pump shaft, which comprises a bottom plate, wherein a plurality of support legs are fixed at the bottom of the bottom plate through bolts, a shifting mechanism is arranged at the top of the bottom plate, an installation plate is connected onto the shifting mechanism, a connecting plate is fixed at the inner side of the installation plate through bolts, a positioning plate is fixed at the inner side of the connecting plate through bolts, a polishing block is fixed on the inner wall of one side of the positioning plate through bolts, a material collecting box is fixed at the bottom of the inner wall of the positioning plate through bolts, the cross section of the material collecting box is arranged in an arc shape, a drawer is inserted at the front end of the material collecting box, a pull handle is fixed at the front end of the drawer through bolts, a feeding hole is formed in the outer wall of the circumference of the material collecting box, and a material pushing mechanism is arranged on the material collecting box; the invention utilizes the power formed by the dust injection during polishing to lead the guide plate to move back and forth along the guide groove along with the guide block, thus leading the guide plate to form repeated sweeping around the outer wall of the material collecting box and then sweeping the part of dust into the material inlet.

Description

Self-cleaning type polishing device for machining of mine pump shaft

Technical Field

The invention relates to the technical field of pump shaft machining, in particular to a self-cleaning type polishing device for machining a mine pump shaft.

Background

With the increasing social and economic growth, the production and processing work of the industrial manufacturing industry is increasingly prominent, in the manufacturing of industrial equipment, a pump shaft is often used, the pump is a machine for conveying fluid or pressurizing fluid, the pump is a machine for transmitting the mechanical energy of a prime motor or other external energy to liquid, so that the energy of the liquid is increased, the pump shaft is mainly used for conveying the liquid such as water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and the pump shaft is divided into three types, namely a positive displacement pump, a power pump and other types of pumps according to the working principle.

The prior polishing device for processing the pump shaft generates much dust during use, and does not have the function of automatically cleaning the dust, so the polishing device for processing the pump shaft is provided to solve the problem.

In order to solve the problems, the invention provides a self-cleaning polishing device for machining a mine pump shaft.

Disclosure of Invention

(1) Technical problem to be solved

The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide a self-cleaning polishing device for processing a mine pump shaft so as to solve the technical problems.

(2) Technical scheme

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a mining pump shaft processing is with self-cleaning formula burnishing device, comprising a base plate, the bottom plate bottom has a plurality of stabilizer blades through the bolt fastening, state the bottom plate top and be provided with shift mechanism, the last mounting panel that is connected with of shift mechanism, the mounting panel inboard has the connecting plate through the bolt fastening, the connecting plate inboard has the locating plate through the bolt fastening, the locating plate cross-section sets up the U-shaped, locating plate one side inner wall has the piece of polishing through the bolt fastening, locating plate inner wall bottom has the aggregate box through the bolt fastening, the aggregate box cross-section sets up the arc, the drawer has been pegged graft to the aggregate box front end, the drawer front end has the pull handle through the bolt fastening, the feed inlet has been seted up to aggregate box circumference outer wall, be provided with pushing equipment on the aggregate box.

Further, the pushing equipment has seted up the guide way at the box circumference outer wall that gathers materials, and the guide way sets up to set into the arc in feed inlet below guide way cross-section, and sliding connection has the guide block in the guide way, has same direction spring through the bolt fastening between guide block and the guide way inner wall, and the guide block top has the stock guide through the bolt fastening.

Furthermore, the top of the inner side surface of the material guide plate is provided with a material blocking part, and the section of the material blocking part is in a tooth shape.

Furthermore, a first sliding groove is formed in the top of the bottom plate of the shifting mechanism, a first sliding block is connected in the first sliding groove in a sliding mode, the first sliding block is fixedly connected with the mounting plate through bolts, a first screw rod is connected in the first sliding groove in a rotating mode through a bearing, the first screw rod is connected with the first sliding block in a penetrating mode through threads, and the outer side of the first screw rod extends to the outside of the bottom plate and is fixedly provided with a rotating handle through bolts.

Furthermore, be provided with receiving agencies in the feed inlet, receiving agencies includes branch, and the branch top is fixed with a plurality of evenly distributed's straight axle through the bolt, and the straight axle top is connected with the fan through the bearing rotation.

Furthermore, a plurality of resistance increasing grooves are formed in the top of the fan blades of the fan, and the cross sections of the resistance increasing grooves are arranged to be triangles different from each other.

Further, a fixing plate is fixed to one side, away from the positioning plate, of the top of the bottom plate through bolts, a fixing strip is fixed to the outer side of the fixing plate through bolts, a second sliding groove is formed in the outer side of the fixing strip, a portal frame is connected to the second sliding groove in a sliding mode, a second screw rod is connected to the second sliding groove in a rotating mode through a bearing, a first motor is fixed to the rear end of the fixing strip through bolts, the first motor is fixedly connected with the second screw rod through an output shaft of the first motor, and a polishing mechanism is arranged on the portal frame.

Further, polishing mechanism has the second motor at the portal frame front end through the bolt fastening, and second motor output shaft has the fixed disk, and the third spout has been seted up to the fixed disk front end, and sliding connection has two third sliders in the third spout, rotates through the bearing in the third spout to be connected with the third screw rod, has seted up a set of reverse screw on the third screw rod, runs through threaded connection between third screw rod and the third slider, and the third slider front end passes through the bolt fastening and has curved clamp splice.

Further, all there is the frid locating plate top and bottom through the bolt fastening, sliding connection has the fourth slider in the frid, there is same second spring through the bolt fastening between fourth slider and the frid inner wall, the inboard symmetry of locating plate has two to lead into the piece through bearing rotation connection, it has same connecting rod to lead into to rotate through the bearing between piece and the fourth slider, two recesses have been seted up to the inboard symmetry of locating plate, there is the third spring through the bolt fastening in the recess, the third spring inboard has the inserted bar through the bolt fastening, the slot has been seted up to the inboard and inserted bar corresponding position of fixed plate.

(3) Has the advantages that:

A. when polishing processing is carried out, the pump shaft and the polishing block generate relative friction, generated dust is sprayed onto the material collecting box along the tangential direction of the polishing block, part of the dust directly enters the drawer from the feed inlet, the other part of the dust is sprayed onto the guide plate, the guide plate is enabled to move back and forth along the guide block under the action of the guide spring, the guide plate forms repeated sweeping around the outer wall of the material collecting box and then is swept into the feed inlet, the bearing of the dust can be enhanced by the toothed material blocking part, the dust is prevented from being sprayed to the outside, meanwhile, the resistance of the material inlet guide plate to the dust can be improved, the guide plate obtains higher speed, the sweeping effect is enhanced, the dust cleaning effect is improved, and the fan is arranged, so that the power of the dust directly sprayed into the feed inlet can be utilized, the fan is driven to rotate, the rotating fan forms wind power towards the drawer, so that dust near the feed inlet is sucked into the drawer, the dust cleaning effect is improved, the dust is effectively prevented from overflowing, the fan can be increased to obtain the rotating speed through the arrangement of the resistance increasing groove, and the effect is promoted.

B. Through inserting the pump shaft between two clamp blocks, rotate the third screw rod, then through screw-thread fit effect, make the third slider drive the clamp block and carry out the removal that is close to each other, then press from both sides the pump shaft and press from both sides tightly fixed, at the in-process of polishing, start first motor, first motor drives the second screw rod and rotates, then make the portal frame drive the second motor, the fixed disk, clamp block and pump shaft carry out synchronous movement, can utilize the piece of polishing to carry out portable the polishing to the pump shaft, thereby effectively improve polishing quality, make the polished surface more even.

C. Rotate the handle through rotating, it rotates to drive first screw rod, then make first slider drive the mounting panel, the connecting plate, locating plate and sanding block move to fixed good pump shaft one side, when leading-in piece is close to with the fixed plate gradually, leading-in piece atress takes place to rotate, make the connecting rod drive the fourth slider and form the extrusion to the second spring, the inserted bar is owing to having broken away from the constraint of leading-in piece this moment, under the thrust of third spring, shift out from the recess, and form the butt joint with the slot, thereby make the device more stable at the during operation, and, locating plate and fixed plate can form to polish the space and seal, thereby effectively prevent the effluvium of dust, thereby further improve the cleaning effect to the dust.

Drawings

FIG. 1 is a schematic overall structure diagram of a self-cleaning polishing device for processing a mine pump shaft according to the invention;

FIG. 2 is a schematic rear view of the self-cleaning polishing device for processing the pump shaft for mining of the present invention;

FIG. 3 is a schematic structural diagram of an aggregate box of the self-cleaning polishing device for processing the pump shaft for the mine, provided by the invention;

FIG. 4 is a schematic view of a receiving mechanism mounting structure of a self-cleaning polishing device box assembly for mining pump shaft processing according to the present invention;

FIG. 5 is an enlarged schematic structural view of a position B of the self-cleaning polishing device for processing the pump shaft for the mine, provided by the invention;

FIG. 6 is an enlarged schematic structural view of the part A of the self-cleaning polishing device for processing the pump shaft for the mine, provided by the invention;

FIG. 7 is a schematic structural view of a positioning plate of the self-cleaning polishing device for machining a pump shaft for a mine.

The reference numbers are as follows:

1. a base plate; 2. a support leg; 3. a first chute; 4. a first slider; 5. a first screw; 6. turning a handle; 7. mounting a plate; 8. a connecting plate; 9. positioning a plate; 10. grinding blocks; 11. a material collecting box; 12. a feed inlet; 13. a drawer; 14. pulling a handle; 15. a guide groove; 16. a guide block; 17. a guide spring; 18. a material guide plate; 19. a material blocking part; 20. a fixing plate; 21. a fixing strip; 22. a second chute; 23. a second screw; 24. a gantry; 25. a first motor; 26. a second motor; 27. fixing the disc; 28. a third chute; 29. a third slider; 30. a third screw; 31. a clamping block; 32. a strut; 33. a straight shaft; 34. a fan; 35. a resistance increasing groove; 36. a groove plate; 37. a fourth slider; 38. a connecting rod; 39. a second spring; 40. a groove; 41. a third spring; 42. inserting a rod; 43. and (4) introducing the block.

Detailed Description

The box folding equipment in the traditional automatic paper sheet type box packing machine further comprises a box folding front-back mechanism, a box folding side mechanism, a box folding tongue-up mechanism, a box folding cover mechanism and a pressing mechanism;

the boxing step in the traditional boxing machine is that a robot 1 sucks a carton blank plane to a workbench surface; the robot 2 puts the packing material to the center of the box bottom, and the robot 1 coats glue at the designated position of the upper box cover; then, folding box side lugs (4), folding front and back of the box, folding box side faces at two ends, folding box upper tongues (2), folding upper inner covers, bonding the upper covers and the upper inner covers, pressing and forming, and finally conveying finished product packaging boxes to an output rail to the next station of the production line by a cylinder.

The invention will be further illustrated with reference to the following figures 1 to 7 and examples:

in the embodiment, as shown in fig. 1-3, a self-cleaning polishing device for processing a mine pump shaft comprises a bottom plate 1, a plurality of support legs 2 are fixed at the bottom of the bottom plate 1 through bolts, a shifting mechanism is arranged at the top of the bottom plate 1, a mounting plate 7 is connected to the shifting mechanism, a connecting plate 8 is fixed at the inner side of the mounting plate 7 through bolts, a positioning plate 9 is fixed at the inner side of the connecting plate 8 through bolts, the cross section of the positioning plate 9 is U-shaped, a polishing block 10 is fixed at the inner wall of one side of the positioning plate 9 through bolts, a material collecting box 11 is fixed at the bottom of the inner wall of the positioning plate 9 through bolts, the cross section of the material collecting box 11 is arc-shaped, a drawer 13 is inserted at the front end of the material collecting box 11, a pull handle 14 is fixed at the front end of the drawer 13 through bolts, a feed inlet 12 is arranged on the circumferential outer wall of the material collecting box 11, and a material pushing mechanism is arranged on the material collecting box 11.

Furthermore, the pushing mechanism is provided with a guide groove 15 on the outer wall of the circumference of the aggregate box 11, the guide groove 15 is arranged below the feed inlet 12, the section of the guide groove 15 is arc-shaped, a guide block 16 is slidably connected in the guide groove 15, the same guide spring 17 is fixed between the guide block 16 and the inner wall of the guide groove 15 through bolts, and a material guide plate 18 is fixed at the top of the guide block 16 through bolts.

Furthermore, a material blocking part 19 is arranged at the top of the inner side surface of the material guide plate 18, and the section of the material blocking part 19 is in a tooth shape.

Further, first spout 3 has been seted up at bottom plate 1 top to the aversion mechanism, and sliding connection has first slider 4 in first spout 3, through bolt fixed connection between first slider 4 and the mounting panel 7, rotates through the bearing in the first spout 3 and is connected with first screw rod 5, runs through threaded connection between first screw rod 5 and the first slider 4, and the 5 outsides of first screw rod extend to bottom plate 1 outside and have through the bolt fastening and change 6.

In this embodiment, as shown in fig. 4-6, a material receiving mechanism is disposed in the feeding port 12, the material receiving mechanism includes a supporting rod 32, a plurality of uniformly distributed straight shafts 33 are fixed on the top of the supporting rod 32 through bolts, and the top of the straight shafts 33 is rotatably connected with a fan 34 through a bearing.

Furthermore, a plurality of resistance-increasing grooves 35 are formed in the top of the fan blades of the fan 34, and the cross sections of the resistance-increasing grooves 35 are arranged in different triangles.

Further, a fixing plate 20 is fixed to one side, away from the positioning plate 9, of the top of the bottom plate 1 through bolts, a fixing strip 21 is fixed to the outer side of the fixing plate 20 through bolts, a second sliding groove 22 is formed in the outer side of the fixing strip 21, a portal frame 24 is connected to the inner side of the second sliding groove 22 in a sliding mode, a second screw 23 is connected to the inner side of the second sliding groove 22 in a rotating mode through a bearing, a first motor 25 is fixed to the rear end of the fixing strip 21 through bolts, the output shaft of the first motor 25 is fixedly connected with the second screw 23, and a polishing mechanism is arranged on the portal frame 24.

Further, the polishing mechanism is fixed with second motor 26 at the portal frame 24 front end through the bolt, second motor 26 output shaft has fixed disk 27, third spout 28 has been seted up to fixed disk 27 front end, sliding connection has two third sliders 29 in the third spout 28, be connected with third screw rod 30 through the bearing rotation in the third spout 28, a set of reverse screw thread has been seted up on the third screw rod 30, run through threaded connection between third screw rod 30 and the third slider 29, the third slider 29 front end has curved clamp splice 31 through the bolt fastening.

In this embodiment, as further shown in fig. 1 and 7, the top and the bottom of the positioning plate 9 are both fixed with a groove plate 36 through bolts, a fourth slider 37 is slidably connected in the groove plate 36, a same second spring 39 is fixed with the inner wall of the fourth slider 37 and the groove plate 36 through bolts, the inner side of the positioning plate 9 is symmetrically connected with two guide blocks 43 through bearings, a same connecting rod 38 is rotatably connected between the guide block 43 and the fourth slider 37 through bearings, two grooves 40 are symmetrically formed in the inner side of the positioning plate 9, a third spring 41 is fixed with the inner side of the groove 40 through bolts, an inserting rod 42 is fixed with the inner side of the third spring 41 through bolts, and slots are formed in the corresponding positions of the inner side of the fixing plate 20 and the inserting rod 42.

The invention has the beneficial effects that:

when the polishing machine is used for polishing, the pump shaft and the polishing block 10 generate relative friction, generated dust is sprayed onto the material collecting box 11 along the tangential direction of the polishing block 10, part of the dust directly enters the drawer 13 from the feed inlet 12, the other part of the dust is sprayed onto the material guide plate 18, the material guide plate 18 moves back and forth along the guide groove 15 along with the guide block 16 under the action of the guide spring 17, the material guide plate 18 forms repeated sweeping motion around the outer wall of the material collecting box 11, and then the part of the dust is swept into the feed inlet 12 and is provided with the toothed material blocking part 19, so that the bearing of the dust can be enhanced, the dust is prevented from being sprayed to the outside, meanwhile, the resistance of the material inlet guide plate 18 to the dust can be improved, the material guide plate 18 obtains higher speed, the sweeping effect is enhanced, the cleaning effect of the dust is improved, and the fan 34 is arranged, can utilize the power of the dust of direct injection in feed inlet 12, drive fan 34 and take place to rotate, pivoted fan 34 forms the wind-force towards drawer 13 to inhale the drawer 13 with near dust of feed inlet 12 in, thereby improve the clearance effect to the dust and effectively prevent the dust and spill over, through the setting that increases and hinder groove 35, can improve fan 34 and obtain the rotational speed, thereby promote above-mentioned effect.

Through inserting the pump shaft between two clamp blocks 31, rotate third screw rod 30, then through screw-thread fit effect, make third slider 29 drive clamp block 31 carry out the removal that is close to each other, then press from both sides the pump shaft and press from both sides fixedly, at the in-process of polishing, start first motor 25, first motor 25 drives second screw rod 23 and rotates, then make portal frame 24 drive second motor 26, fixed disk 27, clamp block 31 and pump shaft carry out synchronous motion, can utilize sanding block 10 to carry out portable the polishing to the pump shaft, thereby effectively improve polishing quality, make the polished surface more even.

Through rotating the handle 6, drive first screw rod 5 and rotate, make then first slider 4 drive mounting panel 7, connecting plate 8, locating plate 9 and sanding block 10 move to fixed pump shaft one side, when leading-in piece 43 is close to with fixed plate 20 gradually, leading-in piece 43 atress takes place to rotate, make connecting rod 38 drive fourth slider 37 form the extrusion to second spring 39, inserted bar 42 is owing to having broken away from the constraint of leading-in piece 43 this moment, under the thrust of third spring 41, shift out from recess 40, and form the butt joint with the slot, thereby make the device at the during operation more stable, and, locating plate 9 and fixed plate 20 can form the confined to polishing space, thereby effectively prevent the effluvium of dust, thereby further improve the clearance effect to the dust.

The working principle is as follows: the pump shaft is inserted between the two clamping blocks 31, the third screw 30 is rotated, then the third slide block 29 drives the clamping blocks 31 to move close to each other through the thread fit effect, then the pump shaft is clamped and fixed, the first screw 5 is driven to rotate through the rotation of the rotating handle 6, then the first slide block 4 drives the mounting plate 7, the connecting plate 8, the positioning plate 9 and the grinding block 10 to move towards one side of the fixed pump shaft, when the guide block 43 gradually approaches the fixing plate 20, the guide block 43 is stressed to rotate, the connecting rod 38 drives the fourth slide block 37 to extrude the second spring 39, at the moment, the insertion rod 42 is separated from the constraint of the guide block 43, moves out of the groove 40 under the thrust of the third spring 41 and is in butt joint with the insertion groove, in the polishing process, the first motor 25 is started, the first motor 25 drives the second screw 23 to rotate, and then the portal frame 24 drives the second motor 26, The fixed disc 27, the clamping block 31 and the pump shaft move synchronously, namely the pump shaft can be polished movably by the polishing block 10, the pump shaft and the polishing block 10 rub against each other, the generated dust is sprayed onto the material collecting box 11 along the tangential direction of the polishing block 10, part of the dust directly enters the drawer 13 from the feed inlet 12, the other part of the dust is sprayed onto the material guide plate 18, and under the action of the guide spring 17, the guide plate 18 moves back and forth along the guide slot 15 along with the guide block 16, so that the guide plate 18 makes repeated sweeps around the outer wall of the hopper 11, and then sweeps the dust into the feed inlet 12, and is provided with a fan 34, that is, the fan 34 is driven to rotate by the power of the dust directly sprayed into the feeding hole 12, and the rotating fan 34 forms wind force towards the drawer 13 to suck the dust near the feeding hole 12 into the drawer 13.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims

1. A self-cleaning polishing device for processing a mine pump shaft comprises a bottom plate (1), wherein a plurality of support legs (2) are fixed at the bottom of the bottom plate (1) through bolts, and is characterized in that a shifting mechanism is arranged at the top of the bottom plate (1), a mounting plate (7) is connected onto the shifting mechanism, a connecting plate (8) is fixed at the inner side of the mounting plate (7) through bolts, a positioning plate (9) is fixed at the inner side of the connecting plate (8) through bolts, the cross section of the positioning plate (9) is U-shaped, a grinding block (10) is fixed at the inner wall of one side of the positioning plate (9) through bolts, a material collecting box (11) is fixed at the bottom of the inner wall of the positioning plate (9) through bolts, the cross section of the material collecting box (11) is arc-shaped, a drawer (13) is inserted at the front end of the material collecting box (11), a pull handle (14) is fixed at the front end of the drawer (13) through bolts, a feeding hole (12) is formed in the circumferential outer wall of the material collecting box (11), the material collecting box (11) is provided with a material pushing mechanism.

2. The self-cleaning polishing device for machining the pump shaft for the mine, according to claim 1, is characterized in that: the material pushing mechanism is characterized in that a guide groove (15) is formed in the outer wall of the circumference of the material collecting box (11), the guide groove (15) is arranged on the cross section of the guide groove (15) below the feeding port (12) and is arc-shaped, a guide block (16) is connected in the guide groove (15) in a sliding mode, the same guide spring (17) is fixed between the guide block (16) and the inner wall of the guide groove (15) through bolts, and a material guide plate (18) is fixed at the top of the guide block (16) through bolts.

3. The self-cleaning polishing device for machining the pump shaft for the mine, according to claim 2, is characterized in that: the top of the inner side surface of the material guide plate (18) is provided with a material blocking part (19), and the section of the material blocking part (19) is in a tooth shape.

4. The self-cleaning polishing device for machining the pump shaft for the mine, according to claim 1, is characterized in that: first spout (3) have been seted up at bottom plate (1) top to aversion mechanism, sliding connection has first slider (4) in first spout (3), through bolt fixed connection between first slider (4) and mounting panel (7), is connected with first screw rod (5) through the bearing rotation in first spout (3), run through threaded connection between first screw rod (5) and first slider (4), first screw rod (5) outside extends to bottom plate (1) outside and has changeing handle (6) through the bolt fastening.

5. The self-cleaning polishing device for machining the pump shaft for the mine, according to claim 1, is characterized in that: be provided with receiving agencies in feed inlet (12), receiving agencies includes branch (32), and the bolt fastening has a plurality of evenly distributed's straight axle (33) at branch (32) top, and straight axle (33) top is connected with fan (34) through the bearing rotation.

6. The self-cleaning polishing device for machining the mine pump shaft according to claim 5, wherein the self-cleaning polishing device comprises: the top of the fan blade of the fan (34) is provided with a plurality of resistance increasing grooves (35), and the cross sections of the resistance increasing grooves (35) are arranged into different triangles.

7. The self-cleaning polishing device for machining the pump shaft for the mine, according to claim 1, is characterized in that: one side of the bottom plate (1) far away from the positioning plate (9) is fixed with a fixing plate (20) through a bolt, the outer side of the fixing plate (20) is fixed with a fixing strip (21) through a bolt, a second sliding groove (22) is formed in the outer side of the fixing strip (21), a portal frame (24) is connected in the second sliding groove (22) in a sliding mode, a second screw rod (23) is connected in the second sliding groove (22) in a rotating mode through a bearing, a first motor (25) is fixed at the rear end of the fixing strip (21) through a bolt, the first motor (25) is fixedly connected with the second screw rod (23) in an output shaft mode, and a polishing mechanism is arranged on the portal frame (24).

8. The self-cleaning polishing device for machining the pump shaft for the mine according to claim 7, wherein the polishing device comprises: polishing mechanism passes through bolt fastening at portal frame (24) front end and has second motor (26), second motor (26) output shaft has fixed disk (27), third spout (28) have been seted up to fixed disk (27) front end, sliding connection has two third slider (29) in third spout (28), it is connected with third screw rod (30) to rotate through the bearing in third spout (28), a set of reverse screw has been seted up on third screw rod (30), run through threaded connection between third screw rod (30) and third slider (29), third slider (29) front end has curved clamp splice (31) through bolt fastening.

9. The self-cleaning polishing device for machining the pump shaft for the mine according to claim 8, wherein the polishing device comprises: locating plate (9) top and bottom all are through bolted fixation have frid (36), sliding connection has fourth slider (37) in frid (36), there is same second spring (39) through bolted fixation between fourth slider (37) and frid (36) inner wall, locating plate (9) inboard symmetry is connected with two and leads into piece (43) through bearing rotation, it has same connecting rod (38) to rotate through the bearing between piece (43) and fourth slider (37) to lead into, two recess (40) have been seted up to locating plate (9) inboard symmetry, there is third spring (41) through the bolted fixation in recess (40), there is inserted bar (42) through the bolted fixation in third spring (41) inboard, fixed plate (20) inboard and inserted bar (42) correspond the position slot and have been seted up.