CN220783232U - Polishing device for winding drum - Google Patents

Abstract

The utility model discloses a polishing device for a winding drum, and mainly relates to the technical field of polishing devices. Including the base that is used for fixed reel, rotate on the base and be connected with the driven voller, two driven voller contact with the both sides of reel respectively, sliding connection has movable seat on the base, it is connected with drive roller and screw rod to rotate on the movable seat, the tip of drive roller is equipped with the running roller that contacts with the reel inboard, screw rod and movable seat threaded connection, the tip of screw rod is equipped with the board of polishing that contacts with the reel, the both sides of reel are equipped with fixed L type piece and the movable L type piece of fixing respectively on the base, the tip of fixed L type piece and movable L type piece all is equipped with the friction part that contacts with the reel, all be equipped with vertical groove on fixed L type piece and the movable L type piece, sliding connection has the piece of polishing in vertical groove, the bottom of polishing piece contacts with the inboard of reel. The utility model has the beneficial effects that: the problem that the polishing device cannot automatically polish the winding drum is solved, and the polishing efficiency and effect on the winding drum are improved.

Description

Polishing device for winding drum

Technical Field

The utility model relates to the technical field of polishing devices, in particular to a polishing device for a winding drum.

Background

The winding drum is mainly used for being arranged on a winding engine and used for winding and unwinding the steel wire rope. The reel is a metal shaped article obtained by casting, i.e. the smelted liquid metal is poured into a mould prepared in advance by pouring, injection, suction or other casting methods, so as to obtain a reel casting. The reel casting is formed by smelting, burrs and particles are often generated on the surface of the reel casting, the appearance is not attractive, and the use quality of the reel casting is affected, so that the inner and outer surfaces and the end faces of the reel are required to be polished.

In the prior polishing device, if a roller is to be polished, a worker usually holds a grinder to polish a certain part of the roller, and polishing force is controlled according to the feeling or experience of the worker, so that the surface of the roller is polished to be uneven, and the quality of the roller is affected to a certain extent; and because the reel body type is great, only can singly polish a certain place when polishing, the comprehensive polishing reel needs to be turned over for a plurality of times, the labor intensity of staff is increased to a certain extent, and the working efficiency of the polishing reel is reduced.

Disclosure of Invention

The utility model aims to provide a polishing device for a winding drum, which solves the problem that the polishing device cannot automatically polish the winding drum and improves polishing efficiency and effect on the winding drum.

The utility model aims to achieve the aim, and the utility model is realized by the following technical scheme:

the utility model provides a grinding device for reel, includes the base that is used for fixed reel, the rotation of symmetry is connected with the driven voller on the base, two the driven voller contacts with the both sides of reel respectively, along vertical sliding connection having movable seat on the base, it is connected with drive roller and screw rod to rotate on the movable seat, the tip of drive roller is equipped with the running roller that contacts with the reel inboard, screw rod and movable seat threaded connection, the tip of screw rod is equipped with the polishing board that contacts with the reel, the both sides of reel are equipped with fixed L type piece and the movable L type piece of fixing respectively on the base, the tip of fixed L type piece and movable L type piece all is equipped with the friction portion that contacts with the reel, all be equipped with vertical groove on fixed L type piece and the movable L type piece, sliding connection has the polishing piece on the vertical groove, the bottom of polishing piece contacts with the inboard of reel.

Further, one side of the polishing plate is provided with a limit groove, the end part of the screw is provided with a limit block rotationally connected with the limit groove, two sides of the limit block are respectively contacted with two sides of the limit groove, the polishing plate is provided with a shifting groove communicated with the limit groove, and the limit block is connected with a shifting block contacted with the shifting groove in a sliding manner.

Further, a first inclined plane is arranged on one side of the shifting groove, a second inclined plane which is in contact with the first inclined plane is arranged at the end part of the shifting block, and a reset spring is arranged between the shifting block and the limiting block.

Further, the movable seat is provided with a guide hole and a through hole, the base is provided with a guide rod in sliding connection with the guide hole, the base is rotationally connected with a driving rod in threaded connection with the through hole, and the base is provided with a first motor connected with the driving rod.

Further, a second motor is arranged on the movable seat, a driving belt wheel is arranged at the movable end of the second motor, a driving spiral gear and a driven belt wheel matched with the driving belt wheel for use are arranged on the driving roller, and a driven spiral gear meshed with the driving spiral gear is arranged at the end of the screw rod.

Further, the movable L-shaped block is in sliding connection with the base, a sliding block is connected to the base in a transverse sliding manner, a threaded hole is formed in the sliding block, and a fixing rod in threaded connection with the threaded hole is connected to the movable L-shaped block in a vertical sliding manner.

Further, sliding connection has the briquetting in the vertical groove, the tip of briquetting contacts with the piece of polishing, the symmetry is equipped with a plurality of fixed slots on the activity L type piece, the sliding connection of symmetry has the fixed block on the briquetting, the one end and the fixed slot grafting cooperation of fixed block, the other end of fixed block extends to the briquetting outside, two be equipped with fixing spring between the fixed block.

Further, the bottom of the polishing block is provided with an arc-shaped surface which is contacted with the winding drum, and the outer diameter of the arc-shaped surface is smaller than the inner diameter of the winding drum.

Compared with the prior art, the utility model has the beneficial effects that:

1. the driven rollers symmetrically arranged are respectively contacted with two sides of the winding drum, so that winding drums with different outer diameters are positioned; the fixed L-shaped blocks and the movable L-shaped blocks are arranged on two sides of the winding drum in a matching manner, so that the winding drum is limited to move transversely in the polishing process, and the polishing effect on the winding drum is prevented from being influenced by the offset positions of the polishing plate and the winding drum; then, the movable seat is longitudinally slid to drive the roller wheels arranged at the end parts of the driving rollers to be in contact with the winding drums, then the driving rollers are rotated on the base to drive the roller wheels to rotate on the base, the winding drums with different inner diameters are driven to turn over on the base, and meanwhile, the winding drums do not need to be manually turned over, so that the working strength of workers is reduced;

2. the end face and the inner side of the winding drum are respectively polished through the contact between the friction parts arranged at the end parts of the fixed L-shaped block and the movable L-shaped block and the winding drum and the contact between the polishing block and the inner side of the winding drum; simultaneously through rotating the screw rod on the sliding seat, drive the board of polishing and follow the lateral sliding on the base, and the board of polishing contacts with the lateral surface of reel to polish the outside of reel, realize polishing a plurality of faces of reel, and need not manually to hold grinding device and polish a plurality of faces, avoid leading to the unevenness that the reel surface polished because of the power is inhomogeneous, and then improve efficiency and the effect of polishing the reel.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic structural view of the base of the present utility model.

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2 in accordance with the present utility model.

Fig. 5 is a schematic view of the structure of the sanding block of the present utility model.

Fig. 6 is a schematic structural view of a dial of the present utility model.

FIG. 7 is a schematic view of the stopper according to the present utility model.

Fig. 8 is an enlarged view of a portion of the C-site of fig. 5 in accordance with the present utility model.

Fig. 9 is a schematic structural view of the inventive fixing block.

The reference numbers shown in the drawings:

1. a reel; 2. a base; 3. driven roller; 4. a movable seat; 5. a driving roller; 6. a screw; 7. a roller; 8. polishing the plate; 9. fixing an L-shaped block; 10. a movable L-shaped block; 11. a friction part; 12. a vertical groove; 13. polishing the block; 14. a limit groove; 15. a limiting block; 16. a groove is arranged; 17. a shifting block; 18. a return spring; 19. a guide rod; 20. a driving rod; 21. a first motor; 22. a second motor; 23. a driving pulley; 24. a drive helical gear; 25. a driven pulley; 26. a driven helical gear; 27. a slide block; 28. a threaded hole; 29. a fixed rod; 30. briquetting; 31. a fixing groove; 32. a fixed block; 33. a fixed spring; 34. an arc surface.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.

The utility model provides a polishing device for a winding drum, which is shown in figures 1, 2, 3 and 4, and comprises a base 2 for fixing the winding drum 1, wherein driven rollers 3 are symmetrically connected to the base 2 in a rotating way, the two driven rollers 3 are respectively contacted with two sides of the winding drum 1, and under the action of the gravity of the winding drum 1, the axis of the winding drum 1 is positioned on the central lines of the two winding drums 1, so that the winding drums 1 with different diameters are positioned; the base 2 is longitudinally and slidably connected with a movable seat 4, the movable seat 4 is rotationally connected with a driving roller 5 and a screw rod 6, the end part of the driving roller 5 is provided with a roller wheel 7 which is contacted with the inner side of the winding drum 1, and the driving roller 5 and the screw rod 6 are driven to transversely move, so that the roller wheel 7 is contacted with the winding drum 1, the winding drums 1 with different inner diameters are driven to roll on the base 2, and meanwhile, the winding drums 1 do not need to be manually turned over, so that the working intensity of workers is reduced; the screw rod 6 is in threaded connection with the movable seat 4, so that the screw rod 6 transversely moves on the base 2, and a polishing plate 8 which is in contact with the winding drum 1 is arranged at the end part of the screw rod 6 and is used for polishing the outer side surface of the winding drum 1; as shown in fig. 5, two sides of the winding drum 1 are respectively provided with a fixed L-shaped block 9 and a movable L-shaped block 10 which are fixed on the base 2, so that the winding drum 1 is prevented from moving transversely in the polishing process, and the polishing plate 8 and the winding drum 1 are prevented from shifting, and the uniform polishing of the winding drum 1 is ensured; the ends of the fixed L-shaped block 9 and the movable L-shaped block 10 are respectively provided with a friction part 11 which is contacted with the winding drum 1 and is used for polishing the end face of the winding drum 1; the fixed L-shaped block 9 and the movable L-shaped block 10 are respectively provided with a vertical groove 12, the polishing blocks 13 are connected in the vertical grooves 12 in a sliding manner, the bottoms of the polishing blocks 13 are in contact with the inner side of the winding drum 1 and are used for polishing the inner side surface of the winding drum 1, so that the multiple surfaces of the winding drum 1 are polished without manually holding a polishing device, uneven polishing of the surface of the winding drum 1 due to uneven force is avoided, and the polishing efficiency and effect of the winding drum 1 are improved.

Preferably, as shown in fig. 6 and 7, a limit groove 14 is provided on one side of the polishing plate 8, a limit block 15 rotationally connected with the limit groove 14 is provided on the end of the screw rod 6, so that the polishing plate 8 rotates relative to the limit block 15, the polishing plate 8 is prevented from rotating along with the screw rod 6, the screw rod 6 rotates normally on the base 2, and the polishing plate 8 continuously contacts with the winding drum 1; two sides of the limiting block 15 are respectively contacted with two sides of the limiting groove 14, so that the screw rod 6 continuously drives the limiting block 15 to move on the base 2, and the polishing plate 8 is uniformly contacted with the outer side of the winding drum 1; be equipped with on the polishing board 8 with the groove 16 of dialling of spacing groove 14 intercommunication, sliding connection has the shifting block 17 of being contacted with groove 16 on the stopper 15, stir groove 16 through shifting block 17 and make polishing board 8 rotate on base 2 until polishing board 8 contacts with the lateral surface of reel 1 to realize polishing in the outside of different wall thickness reels 1, and need not to manually hold grinding device and polish the lateral surface, avoid leading to the unevenness of reel 1 surface polishing because of uneven hard, and then improve the efficiency and the effect of polishing to reel 1.

Preferably, as shown in fig. 6, a first inclined plane is provided on one side of the poking groove 16, a second inclined plane contacting with the first inclined plane is provided on the end of the poking block 17, and the polishing plate 8 is driven to rotate on the base 2 until the polishing plate 8 contacts with the outer side surface of the winding drum 1, so as to polish the outer side of the winding drum 1; a reset spring 18 is arranged between the shifting block 17 and the limiting block 15, so that the resetting of the shifting block 17 is realized, the shifting block 17 is not required to be manually shifted for resetting, the operation steps of resetting the shifting block 17 are simplified, and the efficiency of resetting the shifting block 17 is improved.

Preferably, as shown in fig. 1, the movable seat 4 is provided with a guide hole and a through hole, the base 2 is provided with a guide rod 19 slidably connected with the guide hole, and the guide holes are symmetrically arranged at two sides of the movable seat 4 and are used for limiting the sliding direction of the movable seat 4 and avoiding the offset position of the movable seat 4; the base 2 is rotationally connected with a driving rod 20 in threaded connection with a through hole, the base 2 is provided with a first motor 21 connected with the driving rod 20, the movable seat 4 is driven to transversely move until the roller 7 contacts with the inner side wall of the winding drum 1, so that the winding drums 1 with different diameters are driven to rotate, and meanwhile, compared with other driving methods, the motor driving method is more accurate.

Preferably, as shown in fig. 1 and 3, the movable seat 4 is provided with a second motor 22 for providing power for the rotation of the screw 6 and the driving roller 5; the movable end of the second motor 22 is provided with a driving belt pulley 23, the driving roller 5 is provided with a driving spiral gear 24 and a driven belt pulley 25 matched with the driving belt pulley 23, the driving belt pulley 23 is sleeved outside the driving belt pulley 23 and the driven belt pulley 25 through a belt, and the driving belt pulley 23 drives the driven belt pulley 25 to rotate through the belt; the end of the screw rod 6 is provided with a driven screw gear 26 meshed with the driving screw gear 24, and meanwhile, the screw rod 6 is driven to rotate on the movable seat 4, so that the screw rod 6 and the driving roller 5 rotate to share one drive, the cost for driving is reduced, the installation space is saved, and the unified control of a control system is facilitated.

Preferably, as shown in fig. 5, the movable L-shaped block 10 is slidably connected with the base 2, so as to compensate for errors generated by processing the winding drum 1, fix the winding drum 1 on the base 2 better, and meanwhile, the external side surface of the winding drum 1 is not required to be polished by manually holding a polishing device, so that uneven polishing of the surface of the winding drum 1 due to uneven force is avoided, and further, the polishing efficiency and effect of the winding drum 1 are improved; as shown in fig. 8, the base 2 is connected with a slider 27 in a sliding manner along the transverse direction, the slider 27 is provided with a threaded hole 28, the movable L-shaped block 10 is connected with a fixing rod 29 in a sliding manner along the vertical direction and in threaded connection with the threaded hole 28, so that the movable L-shaped block 10 is fixed on the base 2, and meanwhile, the position of the movable L-shaped block 10 can be accurately adjusted, so that the end face of the polishing roll 1 can be better polished, and the effect of the polishing roll 1 can be improved.

Preferably, as shown in fig. 8 and fig. 9, the vertical groove 12 is slidably connected with a pressing block 30, and the end of the pressing block 30 contacts with the polishing block 13, so that the polishing block 13 is fixed on the base 2, the inner side surface of the polishing drum 1 of the polishing block 13 is better, the outer side surface of the polishing drum 1 is not required to be polished by manually holding a polishing device, the surface polishing unevenness of the drum 1 caused by uneven force is avoided, and the polishing efficiency and effect of the drum 1 are improved; the movable L-shaped block 10 is symmetrically provided with a plurality of fixing grooves 31, the distance between every two adjacent fixing grooves 31 can be set according to the wall thickness difference of the common winding drum 1, the fixing blocks 32 are symmetrically connected with the pressing block 30 in a sliding mode, one ends of the fixing blocks 32 are in plug-in connection with the fixing grooves 31, the other ends of the fixing blocks 32 extend to the outer side of the pressing block 30, the end portions of the fixing blocks 32 are provided with third inclined surfaces which are in contact with the fixing grooves 31, and fixing springs 33 are arranged between the two fixing blocks 32, so that the pressing block 30 is fixed on the base 2, operation steps of fixing the pressing block 30 are simplified, and the efficiency of fixing the pressing block 30 is improved.

Preferably, as shown in fig. 9, the bottom of the polishing block 13 is provided with an arc surface 34 contacting with the winding drum 1, and the outer diameter of the arc surface 34 is smaller than the inner diameter of the winding drum 1, so as to polish winding drums 1 with different inner diameters.

Example 1

The utility model provides a polishing device for a winding drum, which is characterized in that as shown in figures 1, 2, 3, 4 and 5, a winding drum 1 is hung on a base 2 by using a crane or other auxiliary tools, so that the winding drum 1 is placed between two driven rollers 3 arranged on the base 2, and under the action of gravity of the winding drum 1, the axis of the winding drum 1 is positioned on the central lines of the two winding drums 1, thereby positioning the winding drums 1 with different outer diameters; then, fixed L-shaped blocks 9 and movable L-shaped blocks 10 are respectively arranged on two sides of the winding drum 1, so that the winding drum 1 is limited to transversely move in the polishing process, the offset positions of the polishing plate 8 and the winding drum 1 are avoided, the outer side surface of the winding drum 1 is uniformly polished, the surface of the winding drum 1 is prevented from being polished to be uneven, and the polishing effect on the winding drum 1 is further improved; then, the movable seat 4 is longitudinally slid to drive the roller 7 arranged at the end part of the driving roller 5 to contact with the winding drum 1, and the polishing block 13 is slid in the vertical groove 12, so that the bottom of the polishing block 13 contacts with the inner side of the winding drum 1; then, the driving roller 5 is rotated on the base 2 to drive the roller 7 to rotate on the base 2, so that the reels 1 with different inner diameters are driven to overturn on the base 2, and meanwhile, the reels 1 do not need to be overturned manually, so that the working strength of workers is reduced; in addition, the end surface and the inner side of the winding drum 1 are respectively polished by the friction parts 11 arranged at the end parts of the fixed L-shaped block 9 and the movable L-shaped block 10 contacting with the winding drum 1 and the polishing block 13 contacting with the inner side of the winding drum 1; simultaneously through rotating screw rod 6 on the sliding seat, drive polishing board 8 on base 2 along horizontal slip, and polishing board 8 contacts with the lateral surface of reel 1 to polish the outside of reel 1, realize polishing a plurality of faces of reel 1, and need not to manually hold grinding device and polish a plurality of faces, avoid leading to the unevenness that the reel 1 surface polished because of exerting oneself is inhomogeneous, and then improve the efficiency and the effect of polishing to reel 1.

Example 2

On the basis of embodiment 1, as shown in fig. 6 and 7, when the screw rod 6 rotates on the base 2, the second inclined plane arranged at the end part of the shifting block 17 contacts with the first inclined plane arranged at one side of the shifting groove 16, so as to drive the polishing plate 8 to rotate on the base 2 until the polishing plate 8 contacts with the outer side surface of the winding drum 1, the polishing plate 8 is limited to continue rotating, then the shifting block 17 contacts with the first inclined plane through the second inclined plane, the generated component force drives the shifting block 17 to slide on the limiting block 15, and simultaneously compresses the return spring 18 until the shifting block 17 passes through the first inclined plane and returns to enter the next shifting groove 16 under the action of the resilience of the return spring 18, meanwhile, the limiting block 15 and the limiting groove 14 are rotationally connected, so that the polishing plate 8 is prevented from rotating together with the screw rod 6, after the polishing plate 8 continuously contacts with the winding drum 1, the screw rod 6 can normally rotate on the base 2, and the two sides of the limiting block 15 are respectively contacted with the two sides of the limiting groove 14, so that the screw rod 6 continuously drives the limiting block 15 to move on the base 2, thereby realizing polishing of the outer sides of different winding drums 1, and polishing of the winding drums 1 are not required, and the polishing device is prevented from being carried out by uneven by taking the winding drum 1 with uneven polishing side surfaces, and uneven polishing effect is further improved;

after polishing, the winding drum 1 is moved away from the base 2, and meanwhile, the screw rod 6 is reversely rotated to drive the polishing plate 8 to reset, so that polishing is convenient to be performed next time, and polishing efficiency of the winding drum 1 is improved.

Example 3

On the basis of embodiment 2, as shown in fig. 1 and 3, a driving rod 20 is driven to rotate on a base 2 by a first motor 21, the driving rod 20 is in threaded connection with a through hole formed in the base 2, meanwhile, guide rods 19 arranged on two sides are in sliding connection with guide holes, so that a movable seat 4 moves transversely until a roller 7 contacts with the inner side wall of a winding drum 1, and therefore the winding drum 1 with different diameters is driven to rotate, and meanwhile, compared with other driving methods, the driving method is more accurate;

the driven belt wheel 25 is driven to rotate on the movable seat 4 through the second motor 22, and the belt is driven by being sleeved outside the driving belt wheel 23 and the driven belt wheel 25 to drive the driven belt wheel 25 to rotate on the movable seat 4, so that the driving roller 5 is driven to rotate on the movable seat 4, the winding drum 1 is driven to turn over on the base 2, and the winding drum 1 does not need to be turned over manually, so that the working strength of workers is reduced; then, the driving spiral gear 24 arranged at the end part of the driving roller 5 is driven to rotate, and the driven spiral gear 26 is meshed with the driving spiral gear 24 to drive the screw rod 6 to rotate on the movable seat 4, so that the polishing plate 8 slides transversely and continuously and uniformly polishes the outer side surface of the winding drum 1; in addition, the screw 6 and the driving roller 5 rotate to share one driving, thereby reducing the cost required for driving and saving the installation space, and simultaneously facilitating the unified control of the control system.

Example 4

On the basis of the embodiment 2, as shown in fig. 5, 8 and 9, a sliding block 27 is arranged on the base 2 in a sliding manner along the transverse direction, and a fixed rod 29 penetrates through the movable L-shaped block 10 and is in threaded connection with a threaded hole 28 arranged on the sliding block 27; after one end surface of the winding drum 1 is fixed with the fixed L-shaped block 9, the winding drum 1 slides on the base 2 through the movable L-shaped block 10 to enable the winding drum 1 to be in contact with the other end surface of the winding drum 1, so that errors generated by processing the winding drum 1 are compensated, and the winding drum 1 is better fixed on the base 2; then the screw rod 6 is further rotated until the upper end of the screw rod 6 is contacted with the movable L-shaped block 10, the upper side surface of the sliding block 27 is contacted with the base 2, and the upward acting force applied to the sliding block 27 by the screw rod 6 increases the friction force between the sliding block 27 and the base 2, so that the fixing of the movable L-shaped block 10 is realized, the position of the movable L-shaped block 10 can be accurately adjusted, the end surface of the grinding drum 1 is better, and the effect of the grinding drum 1 is improved; then, a grinding block 13 and a pressing block 30 are sequentially arranged in the vertical groove 12, an arc-shaped surface 34 arranged at the bottom of the grinding block 13 is contacted with the winding drum 1, and the outer diameter of the arc-shaped surface 34 is smaller than the inner diameter of the winding drum 1, so that the winding drums 1 with different inner diameters are ground; meanwhile, the third inclined surface arranged at the end part of the fixed block 32 is contacted with the fixed groove 31, the fixed block 32 is driven to slide towards the inner side, the fixed spring 33 arranged between the two fixed blocks 32 is compressed until the grinding block 13 is contacted with the inner side surface of the winding drum 1, the pressing block 30 is contacted with the upper side of the grinding block 13, and is reset under the action of resilience force of the fixed spring 33, so that the fixed block 32 slides into the fixed groove 31, and the upper side and the lower side of the fixed block 32 are contacted with the fixed groove 31 to limit the sliding of the fixed block 32, thereby limiting the sliding of the grinding block 13 on the vertical groove 12, realizing the grinding of the winding drum 1 with different wall thicknesses, avoiding uneven grinding on the surface of the winding drum 1 due to uneven force, and further improving the grinding efficiency and effect of the winding drum 1; when the fixation of the grinding block 13 needs to be released, the fixing block 32 extending to the outer side of the pressing block 30 is shifted to drive the fixing block 32 to slide inwards on the pressing block 30, the fixing spring 33 is compressed, the insertion fit of the fixing block 32 and the fixing groove 31 is released, the pressing block 30 can slide on the base 2, and the grinding block 13 is removed from the vertical groove 12.

Claims (8)

1. Grinding device for reels, comprising a base (2) for fixing reels (1), characterized in that: the utility model discloses a grinding machine, including base (2), driven roller (3), fixed L type piece (9) and movable L type piece (10) that are equipped with respectively on the both sides of base (2), along vertical sliding connection having movable seat (4) on base (2), rotate on movable seat (4) and be connected with drive roller (5) and screw rod (6), the tip of drive roller (5) is equipped with running roller (7) with the inboard contact of reel (1), screw rod (6) and movable seat (4) threaded connection, the tip of screw rod (6) is equipped with grinding plate (8) with the contact of reel (1), the both sides of reel (1) are equipped with fixed L type piece (9) and movable L type piece (10) on base (2) respectively, the tip of fixed L type piece (9) and movable L type piece (10) all is equipped with friction part (11) with reel (1) contact, all be equipped with on fixed L type piece (9) and the movable L type piece (10) vertical groove (12), the bottom that is connected with the inside of polishing (13) with the reel (1).

2. A polishing apparatus for a roll as set forth in claim 1, wherein: one side of the polishing plate (8) is provided with a limit groove (14), the end part of the screw rod (6) is provided with a limit block (15) rotationally connected with the limit groove (14), two sides of the limit block (15) are respectively contacted with two sides of the limit groove (14), the polishing plate (8) is provided with a poking groove (16) communicated with the limit groove (14), and the limit block (15) is connected with a poking block (17) contacted with the poking groove (16) in a sliding manner.

3. A polishing apparatus for a roll as claimed in claim 2, wherein: one side of the poking groove (16) is provided with a first inclined plane, the end part of the poking block (17) is provided with a second inclined plane which is contacted with the first inclined plane, and a reset spring (18) is arranged between the poking block (17) and the limiting block (15).

4. A polishing apparatus for a roll as set forth in claim 1, wherein: the movable seat (4) is provided with a guide hole and a through hole, the base (2) is provided with a guide rod (19) which is in sliding connection with the guide hole, the base (2) is rotationally connected with a driving rod (20) which is in threaded connection with the through hole, and the base (2) is provided with a first motor (21) which is connected with the driving rod (20).

5. A polishing apparatus for a roll as set forth in claim 1, wherein: the movable seat (4) is provided with a second motor (22), the movable end of the second motor (22) is provided with a driving belt wheel (23), the driving roller (5) is provided with a driving spiral gear (24) and a driven belt wheel (25) matched with the driving belt wheel (23), and the end of the screw (6) is provided with a driven spiral gear (26) meshed with the driving spiral gear (24).

6. A polishing apparatus for a roll as set forth in claim 1, wherein: the movable L-shaped block (10) is in sliding connection with the base (2), a sliding block (27) is connected to the base (2) in a transverse sliding manner, a threaded hole (28) is formed in the sliding block (27), and a fixing rod (29) in threaded connection with the threaded hole (28) is connected to the movable L-shaped block (10) in a vertical sliding manner.

7. A polishing apparatus for a roll as set forth in claim 1, wherein: the utility model discloses a vertical groove (12) sliding connection has briquetting (30), the tip and the piece of polishing (13) of briquetting (30) contact, the symmetry is equipped with a plurality of fixed slots (31) on activity L type piece (10), the sliding connection of symmetry has fixed block (32) on briquetting (30), the one end and the fixed slot (31) grafting cooperation of fixed block (32), the other end of fixed block (32) extends to briquetting (30) outside, the tip of fixed block (32) is equipped with the third inclined plane that contacts with fixed slot (31), two be equipped with fixed spring (33) between fixed block (32).

8. A polishing apparatus for a roll as set forth in claim 1, wherein: the bottom of the polishing block (13) is provided with an arc-shaped surface (34) which is contacted with the winding drum (1), and the outer diameter of the arc-shaped surface (34) is smaller than the inner diameter of the winding drum (1).