CN115026641A

CN115026641A - Pretreatment equipment for intelligent robot part production and processing and use method

Info

Publication number: CN115026641A
Application number: CN202210427217.5A
Authority: CN
Inventors: 穆青景
Original assignee: Individual
Current assignee: Shenzhen Zhongxie Cheng Machinery Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-09
Anticipated expiration: 2042-04-22
Also published as: CN116330057A; CN115026641B

Abstract

The invention relates to a pretreatment device for producing and processing intelligent robot parts, which comprises a base, the disc is arranged at the top of the base, a positioning rod is fixedly connected to the top of the disc, guide grooves are formed in two sides of the positioning rod, a guide block is connected in the guide grooves in a sliding mode, a guide spring is fixedly connected between the guide block and the inner wall of the bottom of the guide groove, two first sliding grooves which are symmetrical in two sides are formed in the top of the disc, a first sliding block is connected in the first sliding grooves in a sliding mode, a second lug block is fixedly connected to the top of the first sliding block, a second connecting rod is rotatably connected between the second lug block and the guide block, first lug blocks are fixedly connected to the tops of two sides of the positioning rod, a first connecting rod is rotatably connected to the outer side of each first lug block, a pressing plate is rotatably connected to the outer side of each first connecting rod, a third connecting rod is rotatably connected between the guide block and the first connecting rod, and a stress block is arranged at the top of the first sliding block; the invention can drive the pressing plate to fix the inner wall of the pressing plate by utilizing the downward insertion action of the parts.

Description

Pretreatment equipment for intelligent robot part production and processing and use method

Technical Field

The invention relates to the technical field of robot machining, in particular to pretreatment equipment for producing and machining intelligent robot parts.

Background

A robot is an automated machine, except that it has some intelligent capabilities similar to those of a human or a living being, such as a sensing capability, a planning capability, an action capability, and a coordination capability, and is an automated machine with high flexibility. The robot can assist or even replace human beings to finish dangerous, heavy and complex work, improve the work efficiency and quality, serve human life and expand the range of activities and abilities of extended people.

Along with the development of intelligence epoch, intelligent robot begins to use and various trades, manipulator is in production in the robot spare part, because its shape is mostly cylindricly, fix from the outside usually when polishing it, and often can cover robotic arm when fixing to the outside to can lead to polishing incomplete, often still need carry out the secondary operation of polishing, it is extremely hard to waste time, so propose an intelligent robot spare part production and processing and use preprocessing equipment to solve the above-mentioned problem that proposes.

In order to solve the problems, the invention provides pretreatment equipment for producing and processing intelligent robot parts.

Disclosure of Invention

The invention aims to solve the problem that cylindrical parts are inconvenient to fix in the prior art, and provides pretreatment equipment for producing and processing intelligent robot parts, so as to solve the technical problem.

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

a pretreatment device for intelligent robot part production and processing comprises a base, wherein a disc is arranged on the top of the base, a positioning rod is fixedly connected to the top of the disc, guide grooves are formed in two sides of the positioning rod, a guide block is connected in the guide grooves in a sliding manner, the same guide spring is fixedly connected between the guide block and the inner wall of the bottom of the guide groove, two first sliding grooves which are bilaterally symmetrical are formed in the top of the disc, a first sliding block is connected in the first sliding grooves in a sliding manner, a second lug block is fixedly connected to the top of the first sliding block, the same second connecting rod is rotatably connected between the second lug block and the guide block, the first lug blocks are fixedly connected to the tops of two sides of the positioning rod, a first connecting rod is rotatably connected to the outer side of the first lug block, an arc-shaped pressing plate is rotatably connected to the outer side of the first connecting rod, the same third connecting rod is rotatably connected between the guide block and the first connecting rod, and a stress block is arranged on the top of the first sliding block, the outer side surface of the stress block is a cambered surface, the stress block is connected with an adjusting mechanism, and a polishing mechanism is arranged on the base.

Preferably, the base top has been seted up the mounting groove, mounting groove bottom inner wall fixedly connected with motor, fixed connection between motor output shaft and the disc.

Preferably, the circumferential inner wall of the mounting groove is provided with a ring groove, a ring is connected in the ring groove in a sliding manner, and the ring is fixedly connected with the disc.

Preferably, grinding machanism includes the dead lever, dead lever fixed connection in the top of base, and dead lever one side is run through and is provided with the movable rod, and the movable rod is close to one side fixedly connected with grinding plate of disc, and movable rod opposite side fixedly connected with handle, movable rod are connected with hold-down mechanism.

Preferably, hold-down mechanism includes directional board, and directional board fixed connection has seted up directional groove in the directional board top in the dead lever one side of keeping away from the disc, and sliding connection has directional piece in the directional groove, and the same directional spring of fixed connection between directional piece and the directional groove lateral wall, directional piece top fixedly connected with stand, fixed connection between stand and the movable rod.

Preferably, adjustment mechanism includes the second slider, and the second spout has been seted up at first slider top, and second slider sliding connection is in the second spout, and first slider inboard is rotated and is connected with the screw rod, screw rod and second slider threaded connection, fixed connection between second slider and the atress piece.

Preferably, a nut is fixedly sleeved on the screw rod, and an adjusting assisting mechanism is arranged on the base.

Preferably, help and transfer the mechanism and include the third ear piece, third ear piece fixed connection is in the top of base, rotates on the third ear piece and is connected with the connecting axle, and the connecting axle both sides all are provided with the spanner, and the guide slot has all been seted up to the one side that two spanners are relative, and sliding connection has the guide block in the guide slot, fixed connection between guide block and the connecting axle, the same holding rod of fixedly connected with between two spanners.

Preferably, the rear end of the movable rod is spliced with an insertion rod, the rear end of the insertion rod is fixedly connected with a collecting box, a concave part is arranged at a feed inlet of the collecting box, and the concave part is in a splayed shape.

1. Insert cylinder spare part directly from the top of locating lever, when the bottom of spare part and two guide blocks contact, because the lateral surface of guide block is the cambered surface, the guide block can receive the extrusion force of spare part, the guide block follows first slider and moves along first spout rebound together, then promote the guide block through the second connecting rod and move up along the guide way, then promote first connecting rod through the third connecting rod and upwards rotate, can extrude the inner wall of cylinder spare part through the clamp plate, thereby effectively fix it, thereby avoid sheltering from polishing formation, and the clamp plate cross-section is the arc, can be inseparable with the inner wall laminating of spare part, thereby improve the fixed effect to the spare part.

2. After the fixing is finished, the motor is started, the motor output shaft drives the disc and the parts to rotate, the outer wall of the parts can be polished through the polishing plate, the directional spring is arranged, under the elastic action of the directional spring, the movable rod and the polishing plate are integrally kept to be tightly attached to the outer wall of the parts, when the polishing plate is used, the movable rod and the parts are still kept to be in a tightly attached state, the service cycle of the polishing plate is prolonged, and the cost is reduced.

3. Be provided with adjustment mechanism, can hold the holding rod and remove, make the spanner cover on the nut, then rotate the holding rod, can drive two spanners and rotate simultaneously, then drive nut and screw rod and rotate simultaneously, under screw-thread fit, make second slider and atress piece together, remove along the second spout, thereby adjust the distance between two atress pieces, thereby applicable to fix not unidimensional cylindrical spare part, thereby improve the suitability of this equipment.

4. Be provided with the collecting box, can rotate when polishing as spare part, the piece that produces of polishing is got rid of to the feed inlet position of collecting box, then gets into to collect the incasement and collects, and pegs graft between collecting box and the movable rod, can be convenient for take off the collecting box, clears up the piece, and the feed inlet department of collecting box is provided with the depressed part, and the depressed part is the splayed, can be convenient for the piece get into in the collecting box, prevents simultaneously that the piece from spilling over.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pretreatment device for producing and processing intelligent robot parts;

FIG. 2 is a schematic diagram of a top structure of a disc of a pretreatment device for producing and processing intelligent robot parts;

FIG. 3 is an enlarged schematic structural view of the pretreatment device for the production and processing of the intelligent robot parts;

FIG. 4 is a schematic view of the internal structure of a base of the pretreatment equipment for producing and processing the intelligent robot parts;

FIG. 5 is an enlarged schematic structural diagram of a part B of the pretreatment device for producing and processing the intelligent robot parts;

FIG. 6 is a schematic view of a slider structure of a pretreatment device for producing and processing parts of an intelligent robot according to the present invention;

FIG. 7 is a schematic sectional view of a collection box of the pretreatment equipment for producing and processing the intelligent robot parts.

The reference numbers are as follows:

1. a base; 2. mounting grooves; 3. a disc; 4. positioning a rod; 5. a guide groove; 6. a guide block; 7. a guide spring; 8. a first ear piece; 9. a first link; 10. pressing a plate; 11. a first chute; 12. a first slider; 13. a second ear piece; 14. a second link; 15. a third link; 16. a stress block; 17. a motor; 18. a ring groove; 19. a circular ring; 20. fixing the rod; 21. a movable rod; 22. grinding the plate; 23. a handle; 24. an orientation plate; 25. a directional tank; 26. an orientation block; 27. a column; 28. a directional spring; 29. a second chute; 30. a second slider; 31. a screw; 32. a nut; 33. a third ear piece; 34. a connecting shaft; 35. a wrench; 36. a guide groove; 37. a guide block; 38. a holding rod; 39. a collection box; 40. a rod is inserted; 41. a recessed portion.

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.

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

in the embodiment, as shown in fig. 1-6, a pretreatment device for producing and processing intelligent robot parts comprises a base 1, a disc 3 is arranged on the top of the base 1, a positioning rod 4 is fixedly connected to the top of the disc 3, guide grooves 5 are respectively formed on both sides of the positioning rod 4, a guide block 6 is slidably connected to the guide grooves 5, the same guide spring 7 is fixedly connected between the guide block 6 and the inner wall of the bottom of the guide groove 5, two first slide grooves 11 which are bilaterally symmetrical are formed on the top of the disc 3, a first slide block 12 is slidably connected to the first slide grooves 11, a second ear block 13 is fixedly connected to the top of the first slide block 12, the same second connecting rod 14 is rotatably connected between the second ear block 13 and the guide block 6, first ear blocks 8 are fixedly connected to the tops of both sides of the positioning rod 4, a first connecting rod 9 is rotatably connected to the outer sides of the first ear blocks 8, and an arc-shaped pressing plate 10 is rotatably connected to the outer sides of the first connecting rod 9, the same third connecting rod 15 is rotatably connected between the guide block 6 and the first connecting rod 9, a stress block 16 is arranged at the top of the first sliding block 12, the outer side surface of the stress block 16 is an arc surface, the stress block 16 is connected with an adjusting mechanism, and a polishing mechanism is arranged on the base 1.

Further, mounting groove 2 has been seted up at base 1 top, and 2 bottom inner walls fixedly connected with motors 17 of mounting groove, fixed connection between motor 17 output shaft and the disc 3 can drive disc 3 and rotate, polishes.

Furthermore, the inner wall of the circumference of the mounting groove 2 is provided with a ring groove 18, the ring groove 18 is connected with a ring 19 in a sliding way, and the ring 19 is fixedly connected with the disc 3, so that the stability of the disc 3 during rotation can be improved.

Further, grinding machanism includes

dead lever

20, and 20 fixed connection of dead lever are in the top of

base

1, and 20 one sides of dead lever run through and are provided with movable rod 21, and movable rod 21 is close to one side fixedly connected with grinding plate 22 of

disc

3, and 21 opposite sides fixedly connected with handles 23 of movable rod, movable rod 21 are connected with hold-down mechanism, can polish through grinding plate 22 to spare part.

Further, hold-down mechanism includes directional board 24, directional board 24 fixed connection is in the one side that dead lever 20 kept away from disc 3, and directional groove 25 has been seted up at directional board 24 top, and sliding connection has directional piece 26 in directional groove 25, and the same directional spring 28 of fixed connection between directional piece 26 and the directional groove 25 lateral wall, directional piece 26 top fixedly connected with stand 27, fixed connection between stand 27 and the movable rod 21 can make and polish board 22 and spare part paste tightly.

Further, the adjusting mechanism comprises a second sliding block 30, a second sliding groove 29 is formed in the top of the first sliding block 12, the second sliding block 30 is connected to the second sliding groove 29 in a sliding mode, a screw rod 31 is rotatably connected to the inner side of the first sliding block 12, the screw rod 31 is in threaded connection with the second sliding block 30, the second sliding block 30 is fixedly connected with the stress block 16, and therefore the distance between the two stress blocks 16 can be adjusted.

Further, the screw 31 is sleeved with a nut 32, and the base 1 is provided with an adjusting mechanism, so that the screw 31 can be conveniently rotated.

Further, help and transfer the mechanism and include third ear piece 33, third ear piece 33 fixed connection is in the top of base 1, it is connected with connecting axle 34 to rotate on the third ear piece 33, connecting axle 34 both sides all are provided with spanner 35, guide slot 36 has all been seted up to the one side that two spanner 35 are relative, sliding connection has guide block 37 in the guide slot 36, fixed connection between guide block 37 and the connecting axle 34, the same holding rod 38 of fixedly connected with between two spanner 35, can carry out synchronous control to two atress pieces 16, keep the symmetry of atress piece 16.

In this embodiment, referring to fig. 1 and 7, an insertion rod 40 is inserted into the rear end of the movable rod 21, a collection box 39 is fixedly connected to the rear end of the insertion rod 40, a recessed portion 41 is arranged at a feed inlet of the collection box 39, and the recessed portion 41 is in a splayed shape, so that the debris can be collected.

Insert cylinder spare part direct from the top of locating lever 4, when the bottom of spare part and two guide blocks 6 contacts, because the lateral surface of guide block 6 is the cambered surface, guide block 6 can receive the extrusion force of spare part, guide block 6 follows first slider 12 and moves along first spout 11 inwards together, then promote guide block 6 and move along 5 upsides of guide way through second connecting rod 14, then promote first connecting rod 9 upwards rotations through third connecting rod 15, can extrude the inner wall of cylinder spare part through clamp plate 10, thereby effectively fix it, thereby avoid sheltering from polishing the formation, and clamp plate 10 cross-section is the arc, can be inseparable with the inner wall laminating of spare part, thereby improve the fixed effect to the spare part.

Further, after finishing fixing, the starter motor 17, motor 17 output shaft drives disc 3 and spare part and rotates, can polish through the outer wall of polishing board 22 to the spare part, be provided with directional spring 28 simultaneously, under directional spring 28's elasticity effect, make movable rod 21 and polishing board 22 whole keep with the outer wall of spare part paste tightly, can be when polishing board 22 use the back appear the loss time, still keep with the spare part be in the state of pasting tightly, thereby improve polishing board 22's life cycle, and the cost is reduced.

Further, be provided with adjustment mechanism, can hold holding rod 38 and remove, make spanner 35 cover on nut 32, then rotate holding rod 38, can drive two spanners 35 and rotate simultaneously, then drive nut 32 and screw rod 31 and rotate simultaneously, under screw-thread fit, make second slider 30 and atress piece 16 be in the same place, remove along second spout 29, thereby adjust the distance between two atress pieces 16, thereby applicable is fixed not unidimensional cylindrical spare part, thereby improve the suitability of this equipment.

Further, be provided with collecting box 39, can rotate when polishing as spare part, the piece that produces of polishing is got rid of to the feed inlet position of collecting box 39, then gets into and collects in collecting box 39, and pegs graft between collecting box 39 and the movable rod 21, can be convenient for take off collecting box 39, clear up the piece, the feed inlet department of collecting box 39 is provided with depressed part 41, depressed part 41 is the splayed, can be convenient for the piece get into in the collecting box 39, prevent simultaneously that the piece from spilling over.

The working principle is as follows: when the invention is used, a cylindrical part is directly inserted from the upper part of the positioning rod 4, when the bottom of the part is contacted with the two guide blocks 6, because the outer side surfaces of the guide blocks 6 are cambered surfaces, the guide blocks 6 can be pressed by the part, the guide blocks 6 move inwards along the first sliding grooves 11 along with the first sliding blocks 12, then the guide blocks 6 are pushed to move upwards along the guide grooves 5 through the second connecting rods 14, then the first connecting rods 9 are pushed to rotate upwards through the third connecting rods 15, the inner wall of the cylindrical part can be pressed through the pressing plate 10, so that the cylindrical part is effectively fixed, the grinding is prevented from being blocked, the cross section of the pressing plate 10 is cambered, the cylindrical part can be tightly attached to the inner wall of the part, so that the fixing effect of the part is improved, further, after the fixing is finished, the motor 17 is started, the output shaft of the motor 17 drives the disc 3 and the part to rotate, namely, the outer wall of the component can be polished by the polishing plate 22, and meanwhile, the directional spring 28 is arranged, under the elastic force action of the directional spring 28, the whole of the movable rod 21 and the polishing plate 22 can be kept to be attached to the outer wall of the component, that is, when the polishing plate 22 is damaged after being used, the movable rod and the component can still be kept to be attached to the component, so that the service cycle of the polishing plate 22 is prolonged, the cost is reduced, further, an adjusting mechanism is arranged, the holding rod 38 can be held to move, the wrench 35 is sleeved on the nut 32, then the holding rod 38 is rotated, the two wrenches 35 can be driven to rotate simultaneously, the nut 32 and the screw 31 are driven to rotate simultaneously, under the thread fit, the second slider 30 and the stress block 16 are driven to move together along the second chute 29, so that the distance between the two stress blocks 16 can be adjusted, and the device can be suitable for fixing cylindrical components with different sizes, thereby improve the suitability of this equipment, it is further, be provided with collecting box 39, can rotate when polishing as spare part, the piece that produces of polishing is got rid of to the feed inlet position of collecting box 39, then get into and collect in collecting box 39, and peg graft between collecting box 39 and the movable rod 21, can be convenient for take off collecting box 39, clear up the piece, collecting box 39's feed inlet department is provided with depressed part 41, depressed part 41 is the splayed, can be convenient for the piece get into in collecting box 39, prevent simultaneously that the piece from spilling over.

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. The pretreatment equipment for producing and processing the intelligent robot parts comprises a base (1) and is characterized in that a disc (3) is arranged at the top of the base (1), a positioning rod (4) is fixedly connected to the top of the disc (3), guide grooves (5) are formed in two sides of the positioning rod (4), guide blocks (6) are slidably connected in the guide grooves (5), the same guide spring (7) is fixedly connected between the inner walls of the bottoms of the guide blocks (6) and the guide grooves (5), two first sliding grooves (11) which are bilaterally symmetrical are formed in the top of the disc (3), first sliding blocks (12) are slidably connected in the first sliding grooves (11), second lug blocks (13) are fixedly connected to the top of each first sliding block (12), the same second connecting rod (14) is rotatably connected between each second lug block (13) and the corresponding guide block (6), first lug blocks (8) are fixedly connected to the tops of two sides of the positioning rod (4), the outer side of the first lug block (8) is rotatably connected with a first connecting rod (9), the outer side of the first connecting rod (9) is rotatably connected with an arc-shaped pressing plate (10), the guide block (6) and the first connecting rod (9) are rotatably connected with the same third connecting rod (15), the top of the first sliding block (12) is provided with a stress block (16), the outer side surface of the stress block (16) is an arc surface, the stress block (16) is connected with an adjusting mechanism, and the base (1) is provided with a polishing mechanism.

2. The pretreatment equipment for producing and processing intelligent robot parts according to claim 1, wherein the pretreatment equipment comprises: the base is characterized in that the top of the base (1) is provided with a mounting groove (2), the inner wall of the bottom of the mounting groove (2) is fixedly connected with a motor (17), and an output shaft of the motor (17) is fixedly connected with the disc (3).

3. The pretreatment equipment for producing and processing intelligent robot parts according to claim 2, wherein: annular groove (18) have been seted up to mounting groove (2) circumference inner wall, sliding connection has ring (19) in annular groove (18), fixed connection between ring (19) and disc (3).

4. The pretreatment equipment for producing and processing intelligent robot parts according to claim 1, wherein the pretreatment equipment comprises: grinding machanism includes dead lever (20), dead lever (20) fixed connection in the top of base (1), and dead lever (20) one side is run through and is provided with movable rod (21), and one side fixedly connected with grinding plate (22) that movable rod (21) are close to disc (3), and movable rod (21) opposite side fixedly connected with handle (23), movable rod (21) are connected with hold-down mechanism.

5. The pretreatment equipment for producing and processing intelligent robot parts according to claim 4, wherein the pretreatment equipment comprises: hold-down mechanism includes directional board (24), directional board (24) fixed connection keeps away from one side of disc (3) in dead lever (20), directional groove (25) have been seted up at directional board (24) top, sliding connection has directional piece (26) in directional groove (25), same directional spring (28) of fixedly connected with between directional piece (26) and directional groove (25) lateral wall, directional piece (26) top fixedly connected with stand (27), fixed connection between stand (27) and movable rod (21).

6. The pretreatment equipment for producing and processing intelligent robot parts according to claim 1, wherein the pretreatment equipment comprises: the adjusting mechanism comprises a second sliding block (30), a second sliding groove (29) is formed in the top of the first sliding block (12), the second sliding block (30) is connected into the second sliding groove (29) in a sliding mode, a screw rod (31) is connected to the inner side of the first sliding block (12) in a rotating mode, the screw rod (31) is connected with the second sliding block (30) in a threaded mode, and the second sliding block (30) is fixedly connected with the stress block (16).

7. The intelligent robot part production and processing pretreatment device of claim 6, wherein the pretreatment device comprises: the screw rod (31) is sleeved and fixed with a nut (32), and the base (1) is provided with an adjusting assisting mechanism.

8. The intelligent robot part production and processing pretreatment device of claim 7, wherein the pretreatment device comprises: helping transfer mechanism includes third ear piece (33), third ear piece (33) fixed connection is in the top of base (1), it is connected with connecting axle (34) to rotate on third ear piece (33), connecting axle (34) both sides all are provided with spanner (35), guide slot (36) have all been seted up to two relative one sides of spanner (35), sliding connection has guide block (37) in guide slot (36), fixed connection between guide block (37) and connecting axle (34), the same holding rod (38) of fixedly connected with between two spanner (35).

9. The pretreatment equipment for producing and processing intelligent robot parts according to claim 4, wherein the pretreatment equipment comprises: the rear end of the movable rod (21) is spliced with an insertion rod (40), the rear end of the insertion rod (40) is fixedly connected with a collecting box (39), a feed inlet of the collecting box (39) is provided with a concave part (41), and the concave part (41) is splayed.

10. An operating method of the intelligent robot part production and processing pretreatment device as claimed in any one of claims 1 to 9, characterized by comprising the following steps: the cylindrical part is directly inserted from the upper part of the positioning rod (4), when the bottom of the part is contacted with the two guide blocks (6), because the outer side surfaces of the guide blocks (6) are cambered surfaces, the guide blocks (6) can be subjected to extrusion force of the part, the guide blocks (6) move inwards along the first sliding grooves (11) along with the first sliding blocks (12), then the guide blocks (6) are pushed to move upwards along the guide grooves (5) through the second connecting rods (14), then the first connecting rods (9) are pushed to rotate upwards through the third connecting rods (15), the inner walls of the cylindrical part can be extruded through the pressing plates (10), so that the cylindrical part is effectively fixed, the grinding is prevented from being shielded, the cross sections of the pressing plates (10) are arc-shaped, the cylindrical part can be tightly attached to the inner walls of the part, the fixing effect of the part is improved, and further, after the fixing is finished, starting a motor (17), driving a disc (3) and parts to rotate by an output shaft of the motor (17), namely polishing the outer wall of the parts through a polishing plate (22), and simultaneously arranging a directional spring (28) to enable the movable rod (21) and the polishing plate (22) to be integrally kept to be tightly attached to the outer wall of the parts under the elastic force action of the directional spring (28), namely, when the polishing plate (22) is damaged after being used, the movable rod and the parts are still kept to be in a tightly attached state, so that the service cycle of the polishing plate (22) is prolonged, the cost is reduced, furthermore, arranging an adjusting mechanism, namely holding a rod (38) to be held to move, enabling a wrench (35) to be sleeved on a nut (32), then rotating the holding rod (38), namely driving two wrenches (35) to simultaneously rotate, then driving the nut (32) and a screw rod (31) to simultaneously rotate, and under the thread fit, make second slider (30) and atress piece (16) be in the same place, move along second spout (29), thereby adjust the distance between two atress pieces (16), thereby can be applicable to and fix not unidimensional cylindrical spare part, thereby improve the suitability of this equipment, furthermore, be provided with collecting box (39), can rotate when polishing as spare part, the piece that polishes the production is got rid of the feed inlet position to collecting box (39), then get into and collect in collecting box (39), and peg graft between collecting box (39) and movable rod (21), can be convenient for take off collecting box (39), clear up the piece, the feed inlet department of collecting box (39) is provided with depressed part (41), depressed part (41) are the splayed, can be convenient for the piece gets into in collecting box (39), prevent simultaneously that the piece from overflowing.