CN219925504U

CN219925504U - Polishing equipment

Info

Publication number: CN219925504U
Application number: CN202122239243.9U
Authority: CN
Inventors: 林良坚
Original assignee: Foshan Wanhenglong Machinery Equipment Co ltd
Current assignee: Foshan Wanhenglong Machinery Equipment Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2023-10-31
Anticipated expiration: 2031-09-15

Abstract

The utility model provides polishing equipment, which comprises a polishing machine and a polishing box: the grinding machine comprises a grinding driving device and a grinding wheel, and the grinding driving device is in transmission connection with the grinding wheel; the front side of the polishing box is provided with a switch door, the left side wall of the polishing box is provided with a first pipe passing hole, the right side wall of the polishing box is provided with a second pipe passing hole, the first pipe passing hole and the second pipe passing hole are right-left arranged, the first pipe passing hole and the second pipe passing hole are used for penetrating through pipes, the polishing wheel is arranged in the polishing box, and the polishing wheel is used for polishing the pipes penetrating through the first pipe passing hole and the second pipe passing hole. The beneficial effects of the utility model are as follows: waste water and waste materials generated in the polishing process are blocked in the space in the polishing box and cannot be thrown out of the polishing box, so that the method is beneficial to keeping clean and sanitary production and processing sites and guaranteeing personal safety of site workers.

Description

Polishing equipment

Technical Field

The utility model relates to the technical field of polishing, in particular to polishing equipment.

Background

In the production and processing of pipes, especially stainless steel pipes, a polishing step is usually required to smooth or beautify the weld seam on the pipe. However, when the existing polishing equipment polishes, waste water and waste materials are not blocked and are thrown to the ground, so that the sanitary environment of a production and processing site is poor, the personal safety of site workers is affected, and the safety and sanitation inspection is not facilitated. Those skilled in the art desire a polishing apparatus that can block waste water and waste materials thrown out during polishing to solve the problem of poor sanitary environment in the production and processing sites.

Disclosure of Invention

The utility model aims to provide polishing equipment, and aims to solve the technical problem of poor field sanitation environment caused by the fact that waste water and waste materials are not blocked in the production and processing process in the prior art.

In order to achieve the above object, the present utility model provides a polishing apparatus comprising a polishing machine and a polishing box: the grinding machine comprises a grinding driving device and a grinding wheel, and the grinding driving device is in transmission connection with the grinding wheel; the front side of the polishing box is provided with a switch door, the left side wall of the polishing box is provided with a first pipe passing hole, the right side wall of the polishing box is provided with a second pipe passing hole, the first pipe passing hole and the second pipe passing hole are right-left arranged, the first pipe passing hole and the second pipe passing hole are used for penetrating through pipes, the polishing wheel is arranged in the polishing box, and the polishing wheel is used for polishing the pipes penetrating through the first pipe passing hole and the second pipe passing hole.

Before polishing, the pipe is penetrated in the first pipe passing hole and the second pipe passing hole, the polishing driving device drives the polishing wheel to rotate, the polishing wheel polishes the pipe in the polishing box, waste water and waste materials generated in the polishing process are blocked in the space in the polishing box and cannot be thrown outside the polishing box, so that the pipe polishing device is favorable for keeping the clean and sanitary of a production and processing field and guaranteeing the personal safety of field workers.

Preferably, the polishing driving device is arranged in the polishing box, a first workbench is arranged on the upper side of the polishing box, the lifting device is arranged on the first workbench and comprises a fixing part and a moving part, the fixing part is fixedly connected with the first workbench, the moving part can move up and down relative to the fixing part, and the polishing driving device is fixedly connected to the moving part. The grinding machine is arranged in the grinding box, so that the grinding machine can be adjusted in position; in the polishing process, the polishing wheel may have abrasion, at this time, the lifting device is required to finely adjust the height position of the polishing machine, and in the process of penetrating the pipe into the first pipe penetrating hole and the second pipe penetrating hole, the phenomenon that the polishing wheel blocks the pipe may occur, and the lifting device can also be utilized to adjust the height position of the polishing machine.

Preferably, the fixed part includes the worm, worm fixed connection is in first workstation upside and along upper and lower direction extension, the motion includes lifting seat, lift driving motor and worm wheel, lifting seat and the case of polishing are along upper and lower direction sliding connection, lifting seat and worm circumference are fixed, lift driving motor and lifting seat fixed connection, the worm wheel rotates with lifting seat to be connected, lift driving motor is connected with worm wheel transmission, the worm wheel is connected with the worm meshing, the polisher is connected on lifting seat, lifting seat can drive polisher up-and-down motion. Because the worm is fixed, the lifting driving motor drives the worm wheel to rotate, the worm wheel can move upwards or downwards under the meshing action of the worm wheel and the worm, meanwhile, the lifting seat and the lifting driving motor are driven to move upwards or downwards together, and the polisher can also move up and down synchronously along with the lifting seat so as to adjust the height position.

Preferably, a second workbench is arranged between the polishing box and the first workbench, the second workbench is fixedly connected with the polishing box, the first workbench is rotationally connected with the second workbench, the rotation axis of the first workbench extends along the upper and lower directions, the polishing equipment further comprises a locking assembly, and the first workbench and the second workbench are fixed in relative positions through the locking assembly. The first workbench is rotationally connected with the second workbench, so that the polishing angle of the polishing wheel can be adjusted, and the polishing machine has higher practicability.

Preferably, the polishing box comprises an upper side wall, a guide groove is formed in the upper side of the upper side wall, the guide groove extends along the front-rear direction, a guide bar is fixedly connected to the second workbench, the guide bar is embedded in the guide groove and can move along the extending direction of the guide groove, the polishing equipment further comprises a positioning assembly, and the second workbench and the upper side wall are fixed in relative positions through the positioning assembly. The guide bar can guide the second workbench to move in the front-back direction, and the second workbench drives the first workbench and the polishing driving device to move back and forth so as to adjust the polishing driving device to a proper polishing position.

Preferably, the positioning assembly comprises a first positioning block, a second positioning block and a positioning screw rod, wherein the first positioning block is fixedly connected with the upper side wall, the second positioning block is fixedly connected with the second workbench, the first positioning block is provided with a first screw hole, the axis of the first screw hole extends along the front-back direction, the positioning screw rod is in threaded connection with the first positioning block through the first screw hole, the second positioning block is axially fixed with the positioning screw rod, and the positioning screw rod is rotationally connected with the second positioning block. By rotating the set screw, the relative position between the upper sidewall and the second table is adjusted, and the positions of the upper sidewall and the second table can be kept relatively fixed.

Preferably, the first workbench is provided with a plurality of first through holes, the second workbench is provided with a plurality of second through holes, the first through holes and the second through holes extend along the upper and lower directions, the plurality of first through holes and the plurality of second through holes are arranged in a one-to-one opposite mode, the upper side wall is provided with an opening, the opening is communicated with the inner space and the outer space of the polishing box, the opening is arranged under all the first through holes and all the second through holes, the lower side of the lifting seat is fixedly connected with a plurality of fixing columns, the fixing columns extend along the upper and lower directions, the plurality of fixing columns penetrate through the plurality of first through holes and the plurality of second through holes in one-to-one correspondence mode, and the fixing columns penetrate through the opening. The polishing driving device and the lifting driving motor are connected through the fixing column, so that the polishing driving device and the lifting driving motor can synchronously move up and down, and the polishing driving device is fixedly connected to the lower side of the fixing column.

Preferably, the fixing columns are provided with at least three. Three fixed columns are arranged and are arranged in a triangular shape, the stability of a triangular structure is utilized, the stability of connection of a polishing driving device and a lifting driving motor is improved, and the stable production and processing process is facilitated. The four or more fixed columns are arranged, so that the lifting driving motor is suitable for lifting driving motors with larger weight, and larger bearing force can be provided for the lifting driving motors.

Preferably, the side wall of the grinding box is provided with a power line through hole. The power line through hole is used for penetrating the power line of the electric equipment including the polishing driving device.

Preferably, the inner wall of the grinding box is provided with a water retaining buffer sheet. If the water thrown out at a high speed during polishing is directly thrown on the inner wall of the polishing box, larger noise can be generated, the health of on-site production personnel is affected, the water retaining buffer sheet has the function of buffering the water thrown out at a high speed during polishing, and the water buffered by the water retaining buffer sheet can smoothly flow downwards.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a sanding apparatus in accordance with embodiments of the present utility model;

fig. 2 is a schematic structural diagram of a polishing apparatus according to an embodiment of the present utility model after an opening/closing door is opened;

FIG. 3 is a right side view of the polishing apparatus in accordance with an embodiment of the present utility model;

fig. 4 is a top view of a sanding apparatus in accordance with an embodiment of the present utility model.

In the accompanying drawings: 1-grinding box, 2-switch door, 3-guide strip, 4-second workstation, 5-round platform, 6-first workstation, 7-fixed column, 8-lifting seat, 9-worm, 10-lifting driving motor, 11-first locating piece, 12-right fixed piece, 13-left fixed piece, 14-fixed part, 15-moving part, 16-axis of rotation, 17-guide slot, 20-first pipe orifice, 21-manger plate buffer board, 22-grinding wheel, 30-locating screw, 31-second locating piece, 32-grinding driving device, 33-second pipe orifice, 40-upper side wall, 41-arc hole, 42-locking bolt, 43-gasket, 44-locking component, 45-radiating hole, 46-support frame, 50-tubular product, 51-locating component.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, a polishing apparatus includes a polishing machine and a polishing box 1: the grinding machine comprises a grinding driving device 32 and a grinding wheel 22, wherein the grinding driving device 32 is in transmission connection with the grinding wheel 22; the front side of the polishing box 1 is provided with a switch door 2, the left side wall of the polishing box 1 is provided with a first pipe passing hole 20, the right side wall of the polishing box 1 is provided with a second pipe passing hole 33, the first pipe passing hole 20 and the second pipe passing hole 33 are oppositely arranged left and right, the first pipe passing hole 20 and the second pipe passing hole 33 are used for penetrating through a pipe 50, the polishing wheel 22 is arranged in the polishing box 1, and the polishing wheel 22 is used for polishing the pipe 50 penetrating through the first pipe passing hole 20 and the second pipe passing hole 33.

Before polishing, the pipe 50 is firstly arranged in the first pipe passing hole 20 and the second pipe passing hole 33 in a penetrating way, the polishing driving device 32 drives the polishing wheel 22 to rotate, the polishing wheel 22 polishes the pipe 50 in the polishing box 1, waste water and waste materials generated in the polishing process are blocked in a space in the polishing box 1 and cannot be thrown out of the polishing box 1, so that the production and processing site can be kept clean and sanitary, and the personal safety of site workers can be guaranteed.

Preferably, the polishing driving device 32 is arranged in the polishing box 1, the first workbench 6 is arranged on the upper side of the polishing box 1, the first workbench 6 is provided with a lifting device, the lifting device comprises a fixing part 14 and a moving part 15, the fixing part 14 is fixedly connected with the first workbench 6, the moving part 15 can move up and down relative to the fixing part 14, and the polishing driving device 32 is fixedly connected on the moving part 15. The polisher is arranged in the polisher box 1, so that the polisher is convenient to adjust in position; during the polishing process, the polishing wheel 22 may be worn, and the height position of the polishing machine needs to be finely adjusted by the lifting device, and during the process of penetrating the pipe 50 between the first pipe penetrating hole and the second pipe penetrating hole, the phenomenon that the polishing wheel 22 blocks the pipe 50 may also occur, which is that the height position of the polishing machine may also be adjusted by using the lifting device.

This case 1 of polishing is equipped with switch door 2, and the setting of switch door 2 is favorable to carrying out daily inspection and maintenance to the polisher in the case 1 of polishing, also provides convenience for dismouting polisher simultaneously.

Preferably, the fixing portion 14 includes a worm 9, the worm 9 is fixedly connected to the upper side of the first working table 6 and extends along the up-down direction, the moving portion 15 includes a lifting seat 8, a lifting driving motor 10 and a worm wheel, the lifting seat 8 is slidably connected with the polishing box 1 along the up-down direction, the lifting seat 8 is circumferentially fixed with the worm 9, the lifting driving motor 10 is fixedly connected with the lifting seat 8, the worm wheel is rotationally connected with the lifting seat 8, the lifting driving motor 10 is connected with the worm wheel in a transmission manner, the worm wheel is meshed with the worm 9, the polishing machine is connected to the lifting seat 8, and the lifting seat 8 can drive the polishing machine to move up and down. Because the worm 9 is fixed, the lifting driving motor 10 drives the worm wheel to rotate, the worm wheel can move upwards or downwards under the meshing action of the worm wheel and the worm 9, meanwhile, the lifting seat 8 and the lifting driving motor 10 are driven to move upwards or downwards together, and the grinding machine can also move upwards and downwards along with the lifting seat 8 synchronously so as to adjust the height position. In some embodiments, the worm 9 may be replaced by a rack or a screw, the worm wheel may be replaced by a gear or a nut, the rack is engaged with the gear, the screw is in threaded connection with the nut, and the up-and-down movement of the lifting seat 8 may also be realized.

Preferably, a second workbench 4 is arranged between the polishing box 1 and the first workbench 6, the second workbench 4 is fixedly connected with the polishing box 1, the first workbench 6 is rotationally connected with the second workbench 4, the rotation axis 16 of the first workbench 6 extends along the up-down direction, the polishing device further comprises a locking assembly 44, and the first workbench 6 and the second workbench 4 are fixed in relative positions through the locking assembly 44. The first workbench 6 is rotatably connected with the second workbench 4, so that the polishing angle of the polishing wheel 22 can be adjusted, and the polishing machine has higher practicability.

The first table 6 has a cylindrical outer contour, and its axis extends in the up-down direction. The downside of first workstation 6 still extends and is provided with round platform 5, round platform 5 and first workstation 6 fixed connection, and between first workstation 6 and second workstation 4 was located to round platform 5, and round platform 5 and the coaxial setting of first workstation 6, the diameter of round platform 5 is greater than the diameter of first workstation 6. Four arc holes 41 are formed in the round table 5, the arc holes 41 penetrate through the first workbench 6 in the up-down direction, and the arc holes 41 are arranged in an arc manner in the horizontal direction. The four arc holes 41 are uniformly distributed around the axis of the round table 5, the four arc holes 41 are all close to the edge of the round table 5, and the radian of each arc hole 41 is consistent with that of the edge of the round table 5.

Four second screw holes are formed in the second workbench 4, the locking assembly 44 comprises locking bolts 42 and gaskets 43, the number of the locking bolts 42 and the number of the gaskets 43 are four, and the four locking bolts 42 are in one-to-one threaded connection with the four second screw holes. When the round table 5 is installed on the second workbench 4, the four arc-shaped holes 41 are aligned with the four second screw holes, then the locking bolts 42 are sleeved with the upper gaskets 43, the locking bolts 42 are arranged in the arc-shaped holes 41 in a penetrating mode and are in threaded connection with the second screw holes, and the four locking bolts 42 are screwed, so that the round table 5 is installed on the second workbench 4.

When the angle of the grinding machine needs to be adjusted, only the locking bolt 42 is required to be loosened, the locking bolt 42 is screwed down after the first workbench 6 is rotated to a proper position, and then the angle adjustment of the grinding machine is completed.

Preferably, the polishing box 1 comprises an upper side wall 40, a guide groove 17 is formed in the upper side of the upper side wall 40, the guide groove 17 extends along the front-rear direction, the second workbench 4 is fixedly connected with a guide bar 3, the guide bar 3 is embedded in the guide groove 17 and can move along the extending direction of the guide groove 17, the polishing device further comprises a positioning assembly 51, and the relative position between the second workbench 4 and the upper side wall 40 is fixed through the positioning assembly 51. The guide bar 3 can guide the second workbench 4 to move in the front-back direction, and the second workbench 4 drives the first workbench 6 and the polishing driving device 32 to move back and forth, so that the polishing driving device 32 is adjusted to a proper polishing position.

Four fixing blocks are provided on the upper side wall 40, two of which are provided on the left side of the second table 4, and the other two of which are provided on the right side of the second table 4. The fixed block provided on the left side of the second table 4 is referred to as a left fixed block 13, and the fixed block provided on the right side of the second table 4 is referred to as a right fixed block 12.

The left fixing blocks 13 are arranged in the front-rear direction, and a first notch is formed in the right lower side of the left fixing block 13 and extends in the front-rear direction. After the left fixing block 13 is arranged on the upper side wall 40, a guide groove 17 with an opening facing to the right is formed between the left fixing block 13 and the upper side wall 40 by the first notch, and the guide strip 3 is matched with the guide groove 17 to guide the second workbench 4 to move in the front-rear direction.

Similarly, the right fixing blocks 12 are arranged in the front-rear direction, and a second notch is provided at the left lower side of the right fixing block 12, and extends in the front-rear direction. After the right fixed block 12 is disposed on the upper side wall 40, the second notch forms a guide groove 17 with an opening toward the left side between the right fixed block 12 and the upper side wall 40.

Preferably, the positioning assembly 51 comprises a first positioning block 11, a second positioning block 31 and a positioning screw 30, wherein the first positioning block 11 is fixedly connected with the upper side wall 40, the second positioning block 31 is fixedly connected with the second workbench 4, the first positioning block 11 is provided with a first screw hole, the axis of the first screw hole extends along the front-back direction, the positioning screw 30 is in threaded connection with the first positioning block 11 through the first screw hole, the second positioning block 31 is axially fixed with the positioning screw 30, and the positioning screw 30 is rotationally connected with the second positioning block 31. By rotating the set screw 30, the relative position between the upper side wall 40 and the second table 4 is adjusted, and the positions of the upper side wall 40 and the second table 4 can be kept relatively fixed.

The second positioning block 31 is provided with a mounting through hole, the axis of which extends in the front-rear direction, and a rolling bearing is mounted in the mounting through hole. The end of the positioning screw 30 is inserted into the rotary bearing in the mounting through hole. Limiting pieces are arranged on the front side and the rear side of the second positioning block 31, and are fixedly connected with the positioning screw 30 and rotate along with the rotation of the positioning screw 30. The two limiting pieces may define the relative positions of the second positioning block 31 and the positioning screw 30 in the front-rear direction. And the positioning screw 30 is rotated, and under the cooperation of the positioning screw 30 and the first screw hole, the positioning screw 30 moves in the front-back direction along the screw thread direction to drive the second workbench 4 to move in the front-back direction.

Preferably, the first workbench 6 is provided with a plurality of first through holes, the second workbench 4 is provided with a plurality of second through holes, the first through holes and the second through holes extend along the up-down direction, the plurality of first through holes are opposite to the plurality of second through holes one by one, the upper side wall 40 is provided with openings, the openings are communicated with the inner space and the outer space of the polishing box 1, the openings are arranged under all the first through holes and all the second through holes, the lower side of the lifting seat 8 is fixedly connected with a plurality of fixing columns 7, the fixing columns 7 extend along the up-down direction, and the plurality of fixing columns 7 penetrate through the plurality of first through holes and the plurality of second through holes one by one in a corresponding manner, and the fixing columns 7 penetrate through the openings. The polishing driving device 32 and the lifting driving motor 10 are connected through the fixing column 7, so that the polishing driving device 32 and the lifting driving motor 10 can synchronously move up and down, and the polishing driving device 32 is fixedly connected to the lower side of the fixing column 7.

In this embodiment, at least three fixing posts 7 are provided. Three fixed columns 7 are arranged, the three fixed columns 7 are arranged in a triangular shape, the stability of a triangular structure is utilized, the stability of connection between the polishing driving device 32 and the lifting driving motor 10 is improved, and the stable production and processing processes are facilitated.

In some embodiments, if the lifting driving motor 10 is selected to have a larger weight, the polishing driving device 32 and the lifting driving motor 10 will be fixedly connected with four fixing posts 7, and even more than four fixing posts 7 will be arranged, so as to provide enough supporting force for the lifting driving motor 10.

Preferably, a power line through hole is provided on the side wall of the grinding box 1. The power cord throughholes are used to pass through the power cord of the powered device including the grinding drive 32.

Preferably, a water retaining buffer sheet is arranged on the inner wall of the polishing box 1. If the water thrown out at a high speed during polishing is directly thrown on the inner wall of the polishing box 1, larger noise can be generated, the health of on-site production personnel is affected, the water retaining buffer sheet has the function of buffering the water thrown out at a high speed during polishing, and the water buffered by the water retaining buffer sheet can smoothly flow downwards.

A plurality of heat dissipation holes 45 are formed in the switch door 2, and a large amount of heat is collected in the polishing box 1 in the high-speed polishing process, and the heat dissipation holes 45 are used for dissipating heat of the polishing box 1.

In the polishing box 1, a supporting frame 46 is further provided, and the supporting frame 46 is used for supporting a pipe 50 to be polished in the polishing box 1 and keeping the pipe 50 stable.

In this embodiment, the first pipe passing hole 20 and the second pipe passing hole 33 are both provided with soft water blocking sheets, the middle of each water blocking sheet is provided with a cross notch for the pipe 50 to pass through, the soft water blocking sheets with the cross notch can adapt to the pipe 50 with different thickness to pass through, and meanwhile, after the pipe 50 passes through, the gap between the pipe 50 and the water blocking sheets is smaller, and the water blocking effect is obvious.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A sanding apparatus, comprising:

the polishing machine comprises a polishing driving device (32) and a polishing wheel (22), wherein the polishing driving device (32) is in transmission connection with the polishing wheel (22);

the polishing box (1), the front side of polishing box (1) is equipped with switch door (2), the left side wall of polishing box (1) is equipped with first pipe hole (20), the right side wall of polishing box (1) is equipped with second pipe hole (33), first pipe hole (20) with right side setting is just about passing pipe hole (33), first pipe hole (20) with pipe hole (33) are used for wearing to establish tubular product (50), wheel (22) of polishing are located the inside of polishing box (1), wheel (22) of polishing are used for wearing to establish first pipe hole (20) with tubular product (50) in the second pipe hole (33) are polished.

2. The polishing apparatus according to claim 1, wherein: the polishing driving device (32) is arranged in the polishing box (1), a first workbench (6) is arranged on the upper side of the polishing box (1), a lifting device is arranged on the first workbench (6), the lifting device comprises a fixing portion (14) and a moving portion (15), the fixing portion (14) is fixedly connected with the first workbench (6), the moving portion (15) can move up and down relative to the fixing portion (14), and the polishing driving device (32) is fixedly connected to the moving portion (15).

3. The polishing apparatus according to claim 2, wherein: the fixed part (14) comprises a worm (9), the worm (9) is fixedly connected to the upper side of the first workbench (6) and extends along the vertical direction, the moving part (15) comprises a lifting seat (8), a lifting driving motor (10) and a worm wheel, the lifting seat (8) is in sliding connection with the polishing box (1) along the vertical direction, the lifting seat (8) is circumferentially fixed with the worm (9), the lifting driving motor (10) is fixedly connected with the lifting seat (8), the worm wheel is in rotary connection with the lifting seat (8), the lifting driving motor (10) is connected with the worm wheel in a transmission manner, the worm wheel is in meshed connection with the worm (9), the polishing machine is connected to the lifting seat (8), and the lifting seat (8) can drive the polishing machine to move up and down.

4. A sanding apparatus as defined in claim 3, wherein: the polishing device comprises a polishing box (1) and a first workbench (6), wherein a second workbench (4) is arranged between the polishing box (1) and the first workbench (6), the second workbench (4) is fixedly connected with the polishing box (1), the first workbench (6) is rotationally connected with the second workbench (4), a rotation axis (16) of the first workbench (6) extends along the upper and lower directions, the polishing device further comprises a locking assembly (44), and the first workbench (6) and the second workbench (4) are fixedly arranged at relative positions through the locking assembly (44).

5. The polishing apparatus as set forth in claim 4, wherein: the polishing box (1) comprises an upper side wall (40), a guide groove (17) is formed in the upper side of the upper side wall (40), the guide groove (17) extends along the front-rear direction, a second workbench (4) is fixedly connected with a guide strip (3), the guide strip (3) is embedded in the guide groove (17) and can move along the extending direction of the guide groove (17), the polishing device further comprises a positioning assembly (51), and the second workbench (4) and the upper side wall (40) are fixedly connected with each other through the positioning assembly (51).

6. The polishing apparatus as set forth in claim 5, wherein: the positioning assembly (51) comprises a first positioning block (11), a second positioning block (31) and a positioning screw (30), wherein the first positioning block (11) is fixedly connected with the upper side wall (40), the second positioning block (31) is fixedly connected with the second workbench (4), the first positioning block (11) is provided with a first screw hole, the axis of the first screw hole extends along the front-back direction, the positioning screw (30) is in threaded connection with the first positioning block (11) through the first screw hole, the second positioning block (31) is axially fixed with the positioning screw (30), and the positioning screw (30) is rotationally connected with the second positioning block (31).

7. The polishing apparatus as set forth in claim 5, wherein: the utility model discloses a polishing device, including first workstation (6), second workstation (4), fixed column (7), elevating seat (8), first workstation (4) are equipped with a plurality of first through-holes, second through-hole all extends along the upper and lower direction, a plurality of first through-hole with a plurality of second through-hole is just to setting up one by one, upper side wall (40) are equipped with the opening, the opening intercommunication the inner space and the external space of case (1) polish, all are located to the opening first through-hole and all under the second through-hole, the downside fixedly connected with of elevating seat (8) a plurality of fixed columns (7), fixed column (7) are along upper and lower direction extension, a plurality of fixed column (7) one-to-one wears to locate a plurality of first through-hole and a plurality of in the second through-hole, fixed column (7) pass the opening, polish drive arrangement (32) fixedly connected with the downside of fixed column (7).

8. The polishing apparatus as set forth in claim 7, wherein: the fixing columns (7) are at least provided with three fixing columns.

9. The polishing apparatus according to claim 2, wherein: and a power line through hole is formed in the side wall of the polishing box (1).

10. The polishing apparatus according to claim 1, wherein: the inner wall of the polishing box (1) is provided with a water retaining buffer sheet.