Leather surface polishing device and method

Abstract

The invention discloses a leather surface polishing processing device and method, and relates to the technical field of leather processing devices. The device comprises a workbench, short grooves are symmetrically formed in the position, close to the center, of the interior of the workbench, a limiting assembly is fixedly connected to the center of the bottom end of the workbench, the limiting assembly and the short grooves are located on the same level, a first support is fixedly connected to the center of the back end of the workbench, and a top plate is fixedly connected to the top end of the first support. Vertical plates are symmetrically and fixedly connected to the positions, close to the two sides, of the top plate, an adjusting assembly is fixedly connected to the position, close to the center, of the side end of one vertical plate, and a grinding assembly is slidably connected to the position, close to the center, of the bottom end of the top plate. According to the polishing device, through operation of a second motor and a telescopic shaft, under mutual cooperation of an adjusting assembly, a sliding frame and a polishing disc, work of adjusting the position of a polishing disc body is achieved, and then the problem that most polishing devices are fixedly installed and used, and the polishing range of the polishing devices is reduced is solved.

Description

Technical Field

[0001] The invention relates to the technical field of leather processing devices, and in particular to a leather surface grinding processing device and method. Background Art

[0002] Leather is a denatured, non-perishable animal leather obtained through physical and chemical processing such as depilation and tanning. It is made of natural protein fibers tightly woven in three-dimensional space. Its surface has a special grain layer with natural grain and luster, and feels comfortable. The leather industry covers the main industries such as leather making, shoe making, leather clothing, leather goods, fur and its products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. It has a high degree of correlation between upstream and downstream, relies on market pull, has evergreen products, and integrates the characteristics of earning foreign exchange, enriching the people, and providing employment; In the patent entitled "A leather polishing device for leather bag processing" with the Chinese publication number CN213295385U, an anti-swaying slide rod, an electric push rod, an anti-swaying groove and a connecting plate are provided. When it is necessary to polish leather of different thicknesses, the operation of the electric push rod pushes the connecting plate to move up and down, and the movement of the connecting plate drives the grinding wheel to move, which is conducive to adjusting the horizontal height of the grinding wheel and is conducive to appropriate adjustment according to different thicknesses of the leather, thereby improving the use effect of the leather polishing device for leather bag processing; However, this device still has some shortcomings. When this leather polishing device is in use, the polishing equipment is mostly fixed and installed, so it is impossible to polish a certain position. When other positions need to be polished, manual assistance is required to adjust the leather to complete the change of polishing position, which reduces the polishing range of the polishing equipment. At the same time, the polishing device does not have the function of cleaning debris and dust. The dust generated during the leather polishing process floats into the air, thereby affecting the working environment. In view of the above problems, the inventor proposes a leather surface polishing processing device and method for solving the above problems. Summary of the invention

[0003] In order to solve the problem that most grinding equipment is fixedly installed and used, which reduces the grinding range of the grinding equipment and has no function of cleaning debris and dust, and the dust generated during the leather grinding process will float into the air; the purpose of the present invention is to provide a leather surface grinding processing device and method.

[0004] In order to solve the above technical problems, the present invention adopts the following technical scheme: a leather surface polishing processing device, comprising a workbench, wherein short grooves are symmetrically opened near the center inside the workbench, a limiting component is fixedly connected at the center of the bottom end of the workbench, and the limiting component and the short groove are at the same level, a bracket 1 is fixedly connected at the center of the back end of the workbench, a top plate is fixedly connected to the top of the bracket 1, and vertical plates are symmetrically fixedly connected to the top plate and near both sides, one of the vertical plates is fixedly connected to an adjustment component at the side end near the center, and a polishing component is slidably connected to the bottom end of the top plate and near the center.

[0005] Preferably, the limiting assembly includes a U-shaped plate, and the U-shaped plate is fixedly connected to the workbench, an L-shaped rod is symmetrically slidably connected inside the two short grooves and near the center of the workbench, a square plate is rotatably connected at the center of the top end of the U-shaped plate, and a motor 1 is fixedly connected at the center of the bottom end of the U-shaped plate, and the output end of the motor 1 passes through the U-shaped plate and is fixedly connected to the square plate.

[0006] Preferably, a sliding plate 1 is symmetrically slidably connected to the top of the U-shaped plate near the center, a bent rod is symmetrically rotatably connected between the two sliding plates 1 and the top of the square plate near the center, and the two bent rods are staggered, and the opposite ends of the two L-shaped rods are symmetrically fixedly connected to U-shaped blocks near the top.

[0007] Preferably, the U-shaped block is symmetrically fixedly connected with an L-shaped plate 1 at one side end close to the center of the workbench and close to both sides, two groups of the L-shaped plate 1 are symmetrically and slidingly connected with limit plates at opposite ends, an electric cylinder 1 is fixedly connected to the top of the L-shaped plate 1, and the output end of the electric cylinder 1 passes through the L-shaped plate 1 and is fixedly connected to the limit plate.

[0008] Preferably, the adjustment component includes a vertical block 1, and one side end of the vertical block is fixedly connected to one of the vertical plates, one side end of the vertical plates is slidably connected to an L-shaped plate 2 near the vertical block, one side end of the L-shaped plate 2 is fixedly connected to a motor 2 near the bottom, the output end of the motor 2 is fixedly connected to a first gear, one side end of the vertical plates is symmetrically rotatably connected to a second gear near the first gear, and the first gear can engage with two second gears.

[0009] Preferably, one side end of the vertical block is fixedly connected with a telescopic shaft, the output end of the telescopic shaft is fixedly connected to the L-shaped plate two, a screw rod one is rotatably connected between the two vertical plates and near the center, and one side end of the screw rod penetrates the vertical plate and is fixedly connected to one of the second gears, a cross shaft is rotatably connected between the two vertical plates and near a place of the screw rod, and the side end of the cross shaft penetrates the vertical plate and is fixedly connected to the other second gear, the outer ring of the cross shaft is sleeved with an L-shaped plate three, the side end of the L-shaped plate three is rotatably connected with a cross sleeve, and the cross sleeve is slidably connected to the cross shaft, the outer ring of the cross sleeve is fixedly connected with a bevel gear one, the inner bottom end of the L-shaped plate three is rotatably connected with a bevel gear two, and the bevel gear two is meshed with the bevel gear one.

[0010] Preferably, the grinding assembly includes a sliding seat, and the sliding seat is threadedly rotatably connected to the screw rod 1, the bottom end of the L-shaped plate 3 is fixedly connected to the sliding seat, the bottom end of the sliding seat and close to one side is fixedly connected to a vertical plate, the inner center of the vertical plate is slidably connected to a sliding frame, the bottom end of the sliding seat and close to the vertical plate is rotatably connected to the screw rod 2, and the top end of the screw rod 2 passes through the sliding seat and is fixedly connected to the bevel gear 2, and the sliding frame is threadedly rotatably connected to the screw rod 2.

[0011] Preferably, the bottom end of the sliding frame is fixedly connected to a base plate, and the base plate is at the same level as the center of the workbench, the bottom center of the base plate is rotatably connected to a grinding disc body, the top center of the base plate is fixedly connected to a motor, the output end of the motor passes through the base plate and is fixedly connected to the grinding disc body, the bottom end of the base plate is fixedly connected to a dust hood, the top of the base plate and near the center of one side is fixedly connected to a collecting box, the side end of the collecting box is fixedly connected to a connecting pipe 1, one side end of the connecting pipe is fixedly connected to an air pump body, the other end of the air pump body is fixedly connected to a connecting pipe 2, and the other end of the connecting pipe 2 passes through the base plate and is located inside the dust hood.

[0012] Preferably, the top of the collecting box is rotatably connected to a top cover, the bottom of the top cover is fixedly connected to a spraying device near the center, a push plate is slidably connected between the inner walls of the collecting box, the center of the side end of the push plate is fixedly connected to an insertion rod, the center of the bottom end of the collecting box is fixedly connected to an L-shaped plate four, the collecting box is fixedly connected to a water outlet pipe near the center of one side, the top of the inner part of the L-shaped plate four is rotatably connected to a turntable near one side, the top of the turntable is fixedly connected to a short shaft near the outer ring, the bottom end of the L-shaped plate four is fixedly connected to a motor three near one side, the output end of the motor three passes through the L-shaped plate four and is fixedly connected to the turntable, a long groove is provided at the top of the inner part of the L-shaped plate four near the center of one side, an L-shaped sliding rod is slidably connected inside the long groove, and the other end of the insertion rod passes through the collection box and is fixedly connected to the L-shaped sliding rod, and a connecting rod is rotatably connected between the top of the L-shaped sliding rod and the outer ring of the short shaft.

[0013] A method for using a leather surface grinding device comprises the following steps: Step 1: Start the working motor 1 to rotate the square plate, and then, with the cooperation of the bending rod and the sliding plate 1, the two sets of limit plates drive the U-shaped blocks to move, so as to adjust the distance between the two U-shaped blocks. Then, the working electric cylinder 1 cooperates with the limit plate to complete the limit work of the leather, so as to facilitate the polishing operation. Step 2: By running the second motor, the first gear is rotated, and then under the action of the telescopic shaft, one of the second gears can be driven to move, and under the cooperation of the first bevel gear and the second bevel gear, the sliding frame and the grinding disc body can be driven to move downward. When the screw rod 1 rotates, the sliding frame and the grinding disc body can be moved horizontally, thereby adjusting the position of the grinding disc body; Step three, operate the air pump body, and then the debris can be absorbed into the collection box under the action of connecting pipes one and two, and the spraying equipment can be started to gather the floating dust and debris at the bottom of the collection box. Finally, the motor three is operated, and under the action of the short shaft and the connecting rod, the L-shaped slide bar moves back and forth horizontally, so that the push plate can squeeze the accumulated debris, making it easy for subsequent staff to take it out.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the position of the grinding disc body is adjusted by operating the second motor and the telescopic shaft, and then the adjustment component, the sliding frame and the grinding disc cooperate with each other, thereby solving the problem that most grinding equipment is fixedly installed and used, which reduces the grinding range of the grinding equipment; 2. The present invention solves the problem of not having the function of cleaning debris and dust, and the dust generated during the leather polishing process will float into the air, by operating the air pump body and the motor three, and then cooperating between the polishing component, the spraying equipment and the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the workbench of the present invention.

[0018] Figure 3It is a schematic diagram of the cross-sectional structure of the top plate of the present invention.

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the collection box of the present invention.

[0020] Figure 5 For the present invention Figure 2 Enlarged structural diagram at A in the middle.

[0021] Figure 6 For the present invention Figure 3 Enlarged structural diagram at B in the middle.

[0022] Figure 7 For the present invention Figure 3 Enlarged structural diagram at point C in the middle.

[0023] Figure 8 For the present invention Figure 4 Enlarged structural diagram at point D in the middle.

[0024] In the figure: 1. workbench; 101. bracket 1; 102. top plate; 103. vertical plate; 2. limit assembly; 201. U-shaped plate; 202. sliding plate 1; 203. square plate; 204. bending rod; 205. motor 1; 206. short slot; 207. L-shaped rod; 208. U-shaped block; 209. L-shaped plate 1; 210. limit plate; 211. electric cylinder 1; 3. adjustment assembly; 301. vertical block 1; 302. L-shaped plate 2; 303. motor 2; 304. first gear; 305. second gear; 306. telescopic shaft; 307. L-shaped plate 3; 308. cross sleeve; 309. bevel gear 1 ; 310, bevel gear two; 312, screw one; 313, cross shaft; 4, grinding assembly; 401, sliding seat; 402, vertical plate; 403, sliding frame; 404, screw two; 405, grinding disc body; 406, motor; 407, dust cover; 408, collection box; 409, connecting pipe one; 410, air pump body; 411, connecting pipe two; 412, top cover; 413, spraying equipment; 414, push plate; 415, plug rod; 416, L-type plate four; 417, water outlet pipe; 418, turntable; 419, motor three; 420, connecting rod; 421, long groove; 422, L-type slide rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example: Figure 1-8As shown, the present invention provides a technical solution: a leather surface polishing processing device, comprising a workbench 1, short grooves 206 are symmetrically opened near the center of the workbench 1, a limiting component 2 is fixedly connected at the center of the bottom end of the workbench 1, and the limiting component 2 and the short groove 206 are at the same level, a bracket 101 is fixedly connected at the center of the back end of the workbench 1, a top plate 102 is fixedly connected to the top of the bracket 101, and vertical plates 103 are symmetrically fixedly connected to the top plate 102 and near both sides, wherein an adjusting component 3 is fixedly connected to the side end of one of the vertical plates 103 near the center, and a polishing component 4 is slidably connected to the bottom end of the top plate 102 and near the center.

[0027] The limiting assembly 2 includes a U-shaped plate 201, and the U-shaped plate 201 is fixedly connected to the workbench 1. An L-shaped rod 207 is symmetrically slidably connected inside the two short grooves 206 and near the center of the workbench 1. A square plate 203 is rotatably connected to the center of the top end of the U-shaped plate 201. A motor 205 is fixedly connected to the center of the bottom end of the U-shaped plate 201. The output end of the motor 205 passes through the U-shaped plate 201 and is fixedly connected to the square plate 203.

[0028] By adopting the above technical solution, the motor 205 is installed to drive the square plate 203 to rotate, so as to achieve the effect of the two sliding plates 202 moving toward each other.

[0029] The top of the U-shaped plate 201 is symmetrically slidably connected with a sliding plate 202 near the center, and the two sliding plates 202 and the top of the square plate 203 are symmetrically rotatably connected with a bending rod 204 near the center, and the two bending rods 204 are staggered. The opposite ends of the two L-shaped rods 207 are symmetrically fixedly connected with U-shaped blocks 208 near the top.

[0030] By adopting the above technical solution, a bent rod 204 is arranged between the sliding plate 1 202 and the top of the square plate 203 in order to drive the two sliding plates 1 202 to move simultaneously.

[0031] The U-shaped block 208 is symmetrically fixedly connected with an L-shaped plate 209 at one end close to the center of the workbench 1 and close to both sides. The opposite ends of two groups of L-shaped plates 209 are symmetrically slidably connected with a limit plate 210. The top of the L-shaped plate 209 is fixedly connected with an electric cylinder 211. The output end of the electric cylinder 211 passes through the L-shaped plate 209 and is fixedly connected to the limit plate 210.

[0032] By adopting the above technical solution, the electric cylinder 211 is operated, so that the fixedly connected limiting plate 210 is moved downward to achieve the limiting work of the leather.

[0033] The adjustment component 3 includes a vertical block 1 301, and the side end of the vertical block 1 301 is fixedly connected to one of the vertical plates 103, an L-shaped plate 2 302 is slidably connected to the side end of one of the vertical plates 103 near the vertical block 1 301, a motor 2 303 is fixedly connected to the side end of the L-shaped plate 2 302 near the bottom, a first gear 304 is fixedly connected to the output end of the motor 2 303, a second gear 305 is symmetrically rotatably connected to the side end of one of the vertical plates 103 near the first gear 304, and the first gear 304 can mesh with the two second gears 305.

[0034] By adopting the above technical solution, the second motor 303 is operated, so that the fixedly connected first gear 304 can be rotated, and then under the action of the telescopic shaft 306, the first gear 304 can be driven to move horizontally.

[0035] A telescopic shaft 306 is fixedly connected to the side end of the vertical block 1 301, and the output end of the telescopic shaft 306 is fixedly connected to the L-shaped plate 2 302. A screw rod 1 312 is rotatably connected between the two vertical plates 103 and near the center, and the side end of the screw rod 1 312 penetrates the vertical plate 103 and is fixedly connected to one of the second gears 305. A cross shaft 313 is rotatably connected between the two vertical plates 103 and near the screw rod 1 312, and the side end of the cross shaft 313 penetrates the vertical plate 103 and is fixedly connected to the other second gear 305. The outer ring of the cross shaft 313 is sleeved with an L-shaped plate 307, and the side end of the L-shaped plate 307 is rotatably connected to a cross sleeve 308, and the cross sleeve 308 is slidably connected to the cross shaft 313. The outer ring of the cross sleeve 308 is fixedly connected to a bevel gear 1 309, and the bottom end of the L-shaped plate 307 is rotatably connected to a bevel gear 2 310, and the bevel gear 2 310 is meshed with the bevel gear 1 309.

[0036] By adopting the above technical solution, a rotational connection is set between the cross sleeve 308 and the L-shaped plate three 307 so that the L-shaped plate three 307 can drive the cross sleeve 308 to move horizontally when it moves, and the cross sleeve 308 is slidably connected to the cross shaft 313 so that the rotation of the cross shaft 313 can drive the cross sleeve 308 to rotate.

[0037] The grinding assembly 4 includes a sliding seat 401, and the sliding seat 401 is threadedly rotatably connected to the screw rod 1 312, the bottom end of the L-shaped plate 307 is fixedly connected to the sliding seat 401, the bottom end of the sliding seat 401 and close to one side is fixedly connected to a vertical plate 402, the inner center of the vertical plate 402 is slidably connected to a sliding frame 403, the bottom end of the sliding seat 401 and close to the vertical plate 402 is rotatably connected to a screw rod 2 404, and the top end of the screw rod 2 404 passes through the sliding seat 401 and is fixedly connected to the bevel gear 2 310, and the sliding frame 403 is threadedly rotatably connected to the screw rod 2 404.

[0038] By adopting the above technical solution, after the second screw rod 404 rotates, the sliding frame 403 connected to the threaded rotation can be raised and lowered under the action of the vertical plate 402.

[0039] A base plate is fixedly connected to the bottom end of the sliding frame 403, and the center of the base plate and the workbench 1 are at the same level, a grinding disc body 405 is rotatably connected to the center of the bottom end of the base plate, a motor 406 is fixedly connected to the center of the top end of the base plate, the output end of the motor 406 passes through the base plate and is fixedly connected to the grinding disc body 405, a dust hood 407 is fixedly connected to the bottom end of the base plate, a collecting box 408 is fixedly connected to the top end of the base plate and near the center of one side, a connecting pipe 1 409 is fixedly connected to the side end of the collecting box 408, a connecting pipe 1 409 is fixedly connected to the side end of the air pump body 410, a connecting pipe 2 411 is fixedly connected to the other end of the air pump body 410, and the other end of the connecting pipe 2 411 passes through the base plate and is located inside the dust hood 407.

[0040] By adopting the above technical solution, the air pump body 410 is operated so that the debris can be transported to the inside of the collection box 408 through the connecting pipe 1 409 and the connecting pipe 2 411 .

[0041] The top of the collection box 408 is rotatably connected to a top cover 412, and a spraying device 413 is fixedly connected to the bottom and near the center of the top cover 412. A push plate 414 is slidably connected between the inner walls of the collection box 408, and a plug rod 415 is fixedly connected to the center of the side end of the push plate 414. An L-shaped plate 416 is fixedly connected to the center of the bottom end of the collection box 408. A water outlet pipe 417 is fixedly connected to the center of the collection box 408 and near one side. A turntable 418 is rotatably connected to the top of the L-shaped plate 416 near one side. A short shaft is fixedly connected near the outer ring, a motor three 419 is fixedly connected to the bottom end of the L-shaped plate four 416 and near one side, the output end of the motor three 419 passes through the L-shaped plate four 416 and is fixedly connected to the turntable 418, a long groove 421 is opened at the top of the L-shaped plate four 416 near the center of one side, an L-shaped slide bar 422 is slidably connected inside the long groove 421, and the other end of the insertion rod 415 passes through the collection box 408 and is fixedly connected to the L-shaped slide bar 422, and a connecting rod 420 is rotatably connected between the top of the L-shaped slide bar 422 and the outer ring of the short shaft.

[0042] By adopting the above technical solution, the motor three 419 is operated, thereby causing the fixedly connected turntable 418 to rotate, and then with the cooperation of the short shaft and the connecting rod 420, the L-shaped sliding rod 422 can be driven to move back and forth.

[0043] A method for using a leather surface grinding device comprises the following steps: Step 1: Start the working motor 205 to rotate the square plate, and then, with the cooperation of the bending rod 204 and the sliding plate 202, the two sets of limiting plates 210 drive the U-shaped block 208 to move, so as to adjust the distance between the two U-shaped blocks 208, and then the working electric cylinder 211 cooperates with the limiting plates 210 to complete the limiting work of the leather, so as to facilitate the polishing operation; Step 2: By running the second motor 303, the first gear 304 is rotated, and then under the action of the telescopic shaft 306, one of the second gears 305 can be driven to move, and under the cooperation of the bevel gear 1 309 and the bevel gear 2 310, the sliding frame 403 and the grinding disc body 405 can be driven to move downward. When the screw rod 1 312 rotates, the sliding frame 403 and the grinding disc body 405 can be moved horizontally, thereby adjusting the position of the grinding disc body 405; Step three, operate the air pump body 410, and then the debris can be absorbed into the collection box 408 under the action of the connecting pipe 1 409 and the connecting pipe 2 411, and the spraying equipment 413 can be started to gather the floating dust and debris at the bottom of the collection box 408. Finally, the motor 3 419 is operated, and under the action of the short shaft and the connecting rod 420, the L-shaped slide bar 422 moves back and forth horizontally, so that the push plate 414 can squeeze the accumulated debris, making it convenient for subsequent staff to take it out.

[0044] Working principle: When the present invention is in use, the leather to be polished is first spread flat to the center of the workbench 1, and then the motor 1 205 is operated to rotate the fixedly connected square plate 203, and then the two sliding plates 1 202 are moved toward each other with the cooperation of the two bent rods 204, thereby driving the two sets of limit plates 210 to move, and the effect of adjusting the distance between the two U-shaped blocks 208 is achieved, so as to facilitate the completion of the limiting work of leathers of different lengths. After adjusting the distance, the electric cylinder 1 211 can be operated to move the fixedly connected limit plate 210 downward, thereby completing the limiting work of the leather, which is convenient for the polishing operation, and then the telescopic shaft 306 is operated to make the first gear 304 mesh with one of the second gears 305, and then the motor 2 303 is operated to make the first gear 304 mesh with the second gear 305. A gear 304 drives one of the second gears 305 to rotate, at this time, the cross shaft 313 will drive the cross sleeve 308 to rotate, and then with the cooperation of the bevel gear 1 309 and the bevel gear 2 310, the screw rod 2 404 rotates to drive the sliding frame 403 and the grinding disc body 405 to move downward, and then the motor 406 is operated to start the leather grinding work. When the first gear 304 drives the other second gear 305 to rotate, the screw rod 1 312 can be rotated. At this time, the sliding seat 401 connected by the threaded rotation will drive the sliding frame 403 and the grinding disc body 405 to move horizontally, thereby realizing the work of adjusting the position of the grinding disc body 405, thereby solving the problem that the grinding equipment is mostly fixedly installed and used, which reduces the grinding range of the grinding equipment; When the leather is polished, the air pump body 410 can be operated, so that the debris generated by the polishing is transported to the inside of the collection box 408 through the connecting pipe 1 409 and the connecting pipe 2 411, so as to realize the collection of the debris, and then the spraying device 413 is started and opened to spray the dust and debris floating into the collection box 408 so that they can gather at the bottom of the collection box 408, and then the motor 3 419 is operated to rotate the fixedly connected turntable 418, and then under the action of the short shaft and the connecting rod 420, the L-shaped slide bar 422 is moved back and forth horizontally, thereby driving the fixedly connected plug rod 415 and the push plate 414 to move back and forth horizontally, completing the accumulation of the debris, making it convenient for subsequent staff to remove it, thereby solving the problem of not having the function of cleaning the debris and dust, and the dust generated during the leather polishing process will float into the air.

[0045] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A leather surface polishing device, comprising a workbench (1), characterized in that: The workbench (1) is symmetrically provided with short grooves (206) near the center inside, the workbench (1) is fixedly connected to a limit assembly (2) at the center of the bottom end, and the limit assembly (2) and the short groove (206) are at the same level, the workbench (1) is fixedly connected to a bracket (101) at the center of the back end, the bracket (101) is fixedly connected to a top plate (102) at the top, the top plate (102) is symmetrically fixedly connected to vertical plates (103) near both sides, one of the vertical plates (103) is fixedly connected to an adjustment assembly (3) at a side end near the center, and a grinding assembly (4) is slidably connected to the bottom end of the top plate (102) near the center.

2. A leather surface polishing device as claimed in claim 1, characterized in that: The limit assembly (2) comprises a U-shaped plate (201), and the U-shaped plate (201) is fixedly connected to the workbench (1); an L-shaped rod (207) is symmetrically slidably connected inside the two short grooves (206) and close to the center of the workbench (1); a square plate (203) is rotatably connected at the center of the top end of the U-shaped plate (201); a motor 1 (205) is fixedly connected at the center of the bottom end of the U-shaped plate (201); and an output end of the motor 1 (205) passes through the U-shaped plate (201) and is fixedly connected to the square plate (203).

3. A leather surface polishing device as claimed in claim 2, characterized in that: The top of the U-shaped plate (201) is symmetrically slidably connected to a sliding plate 1 (202) near the center, and a bent rod (204) is symmetrically rotatably connected between the two sliding plates 1 (202) and the top of the square plate (203) near the center, and the two bent rods (204) are staggered, and the opposite ends of the two L-shaped rods (207) are symmetrically fixedly connected to U-shaped blocks (208) near the top.

4. A leather surface polishing device as claimed in claim 3, characterized in that: The U-shaped block (208) is symmetrically fixedly connected to an L-shaped plate (209) at one end near the center of the workbench (1) and at both sides; the two groups of L-shaped plates (209) are symmetrically slidably connected to a limit plate (210) at opposite ends; an electric cylinder (211) is fixedly connected to the top of the L-shaped plate (209); and the output end of the electric cylinder (211) passes through the L-shaped plate (209) and is fixedly connected to the limit plate (210).

5. The leather surface polishing device according to claim 1, characterized in that: The adjustment component (3) comprises a vertical block 1 (301), and the side end of the vertical block 1 (301) is fixedly connected to one of the vertical plates (103), and an L-shaped plate 2 (302) is slidably connected to the side end of one of the vertical plates (103) near the vertical block 1 (301), and a motor 2 (303) is fixedly connected to the side end of the L-shaped plate 2 (302) near the bottom, and a first gear (304) is fixedly connected to the output end of the motor 2 (303), and a second gear (305) is symmetrically rotatably connected to the side end of one of the vertical plates (103) near the first gear (304), and the first gear (304) can mesh with the two second gears (305).

6. A leather surface polishing device as claimed in claim 5, characterized in that: The side end of the vertical block 1 (301) is fixedly connected to a telescopic shaft (306), and the output end of the telescopic shaft (306) is fixedly connected to the L-shaped plate 2 (302). A screw rod 1 (312) is rotatably connected between the two vertical plates (103) and near the center, and the side end of the screw rod 1 (312) penetrates the vertical plate (103) and is fixedly connected to one of the second gears (305). A cross shaft (313) is rotatably connected between the two vertical plates (103) and near the screw rod 1 (312), and the side end of the cross shaft (313) penetrates the vertical plate (103) is fixedly connected to another second gear (305), the outer ring of the cross shaft (313) is provided with an L-shaped plate three (307), the side end of the L-shaped plate three (307) is rotatably connected to a cross sleeve (308), and the cross sleeve (308) is slidably connected to the cross shaft (313), the outer ring of the cross sleeve (308) is fixedly connected to a bevel gear one (309), the inner bottom end of the L-shaped plate three (307) is rotatably connected to a bevel gear two (310), and the bevel gear two (310) is meshed with the bevel gear one (309).

7. A leather surface polishing device as claimed in claim 6, characterized in that: The grinding assembly (4) comprises a sliding seat (401), and the sliding seat (401) is rotatably connected to the screw rod 1 (312) by means of a thread, the bottom end of the L-shaped plate 3 (307) is fixedly connected to the sliding seat (401), the bottom end of the sliding seat (401) and close to one side is fixedly connected to a vertical plate (402), the center of the vertical plate (402) is slidably connected to a sliding frame (403), the bottom end of the sliding seat (401) and close to the vertical plate (402) is rotatably connected to the screw rod 2 (404), the top end of the screw rod 2 (404) passes through the sliding seat (401) and is fixedly connected to the bevel gear 2 (310), and the sliding frame (403) is rotatably connected to the screw rod 2 (404) by means of a thread.

8. The leather surface polishing device according to claim 7, characterized in that: The bottom end of the sliding frame (403) is fixedly connected to a base plate, and the base plate is at the same level as the center of the workbench (1); the center of the bottom end of the base plate is rotatably connected to a grinding disc body (405); the center of the top end of the base plate is fixedly connected to a motor (406); the output end of the motor (406) passes through the base plate and is fixedly connected to the grinding disc body (405); the bottom end of the base plate is fixedly connected to a dust hood (407); the top end of the base plate and near the center of one side is fixedly connected to a collection box (408); the side end of the collection box (408) is fixedly connected to a connecting pipe 1 (409); the side end of the connecting pipe 1 (409) is fixedly connected to an air pump body (410); the other end of the air pump body (410) is fixedly connected to a connecting pipe 2 (411); the other end of the connecting pipe 2 (411) passes through the base plate and is located inside the dust hood (407).

9. The leather surface grinding device according to claim 8, characterized in that: The top of the collection box (408) is rotatably connected to a top cover (412), the bottom of the top cover (412) is fixedly connected to a spraying device (413) near the center, a push plate (414) is slidably connected between the inner walls of the collection box (408), a plug rod (415) is fixedly connected to the center of the side end of the push plate (414), an L-shaped plate four (416) is fixedly connected to the center of the bottom end of the collection box (408), a water outlet pipe (417) is fixedly connected to the center of one side of the collection box (408), and a rotating disk (418) is rotatably connected to the top of the L-shaped plate four (416) near one side, and the rotating disk (418) ) is fixedly connected to the top and near the outer ring of the L-shaped plate four (416), and a motor three (419) is fixedly connected to the bottom and near one side of the L-shaped plate four (416), and the output end of the motor three (419) passes through the L-shaped plate four (416) and is fixedly connected to the turntable (418), and a long groove (421) is provided at the top of the L-shaped plate four (416) near the center of one side, and an L-shaped slide rod (422) is slidably connected inside the long groove (421), and the other end of the insertion rod (415) passes through the collection box (408) and is fixedly connected to the L-shaped slide rod (422), and a connecting rod (420) is rotatably connected between the top of the L-shaped slide rod (422) and the outer ring of the short shaft.

10. The method for using the leather surface polishing device according to claims 1-9, characterized in that: The following steps are involved: Step 1: Start the working motor 1 (205) to rotate the square plate, and then, with the cooperation of the bending rod (204) and the sliding plate 1 (202), the two sets of limiting plates (210) drive the U-shaped block (208) to move, so as to adjust the distance between the two U-shaped blocks (208), and then the working electric cylinder 1 (211) cooperates with the limiting plate (210) to complete the limiting work of the leather, so as to facilitate the polishing operation; Step 2: by running the second motor (303), the first gear (304) is rotated, and then under the action of the telescopic shaft (306), one of the second gears (305) can be driven to move downward, and under the cooperation of the bevel gear (309) and the bevel gear (310), the sliding frame (403) and the grinding disc body (405) can be driven to move downward. When the screw rod (312) rotates, the sliding frame (403) and the grinding disc body (405) can be moved horizontally, thereby adjusting the position of the grinding disc body (405); Step three, operate the air pump body (410), and then the debris can be absorbed into the collection box (408) under the action of the connecting pipe one (409) and the connecting pipe two (411), and the spraying device (413) can be started to collect the floating dust and debris at the bottom of the collection box (408). Finally, the motor three (419) is operated, and under the action of the short shaft and the connecting rod (420), the L-shaped slide bar (422) moves back and forth horizontally, so that the push plate (414) can squeeze the accumulated debris, making it easier for subsequent staff to remove it.

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