Polishing device for leather processing

Abstract

The utility model discloses a polishing device for leather processing, which comprises a base, a first pressing component, a polishing platform and a second pressing component are sequentially arranged on the base along the leather conveying direction, the first pressing component and the second pressing component are identical in structure, a dust cover is arranged on the polishing platform, a U-shaped frame is mounted on the base, and the U-shaped frame is arranged on the base. A moving assembly is arranged on the upper portion in the U-shaped frame, a telescopic rod is installed at the bottom of the moving assembly, a polishing assembly is installed at the end, extending into the dustproof cover, of the telescopic end of the telescopic rod, and dust removal assemblies are arranged on the two sides of the polishing assembly. The leather polishing device can be adjusted according to leather with different thicknesses, the practicability is improved, dust generated in the polishing process can be prevented from being diffused into the working environment, the dust generated in the polishing process is removed, a good working environment is provided, and the body health of workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of leather processing equipment, in particular to a polishing device for leather processing. Background Art

[0002] Leather is a denatured and non-perishable animal skin obtained through physical and chemical processes such as dehairing and tanning. Leather is composed 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 original leather has uneven thickness on the surface. During processing and production, it often requires cutting, polishing and shaving steps to make the leather surface smoother and flatter, making leather products more comfortable to use.

[0003] A Chinese patent with prior art authorization announcement number CN218202880U discloses a grinding device for leather processing, which has a simple design structure and is easy to operate. During operation, the leather can be moved under the joint action of an upper drive roller and a lower drive roller. During the movement, the leather surface is polished by a reciprocating grinding wheel, which has the advantage of high grinding efficiency.

[0004] Although the above patent can perform reciprocating grinding on leather, due to the fixed distance between the upper drive roller and the lower drive roller, the device is difficult to adapt to leather of different thicknesses, which reduces its practicality during use. In addition, a large amount of dust will be generated during the grinding process. The dust is easy to spread, making the working environment worse and having a great impact on the health of the workers.

[0005] Therefore, the applicant proposed a leather processing polishing device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the present invention aims to provide a leather processing polishing device.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0008] A polishing device for leather processing includes a base, on which a first clamping assembly, a polishing platform and a second clamping assembly are arranged in sequence along the leather conveying direction. The first clamping assembly and the second clamping assembly have the same structure. A dust cover is provided on the polishing platform. A U-shaped frame is installed on the base, and a moving assembly is provided on the upper part of the U-shaped frame. A telescopic rod is installed at the bottom of the moving assembly. The telescopic end of the telescopic rod extends to one end inside the dust cover and is installed with a polishing assembly. Dust removal assemblies are provided on both sides of the polishing assembly.

[0009] Furthermore, the first clamping assembly includes a first column and a second column respectively installed on both sides of the base, a support roller is rotatably installed between the lower parts of the first column and the second column, and the upper parts of the first column and the second column are each provided with a through hole, a threaded rod is rotatably provided in the through hole of the first column, a first threaded block is threadedly connected to the threaded rod, and a guide block is slidably provided in the through hole of the second column, a clamping roller is installed between the first threaded block and the guide block, and the clamping roller is located directly above the support roller.

[0010] Furthermore, the moving component includes a reciprocating screw rod that is horizontally mounted on the upper inner part of the U-shaped frame, a second threaded block is threadedly connected to the reciprocating screw rod, a telescopic rod is installed at the bottom of the second threaded block, and one end of the reciprocating screw rod passes through the U-shaped frame and is connected to the output end of the first motor.

[0011] Furthermore, the grinding assembly includes a protective box installed on the telescopic end of the telescopic rod, a second motor is installed in the protective box, a rotating shaft is connected to the output end of the second motor, a grinding disc is installed on one end of the rotating shaft extending to the outside of the protective box, support plates are provided on both sides of the protective box, and a dust removal assembly is provided on the support plates.

[0012] Furthermore, the dust removal assembly includes a dust hood installed on the bottom of the support plate, a dust box is provided on one side of the base, a hose is connected to the top of the dust hood, the hose extends out of the dust hood and connects with the dust box, a fan is provided on one side of the dust box, and the lower side of the dust box is connected to the air inlet of the fan through a pipe.

[0013] Furthermore, a second opening is provided on the top of the dust cover for the telescopic end of the telescopic rod to pass through, and sealing brushes are provided on both sides of the second opening.

[0014] Furthermore, a limit block is installed on a section of the telescopic end of the telescopic rod located inside the dust cover.

[0015] Furthermore, a first guide rod is provided in the through hole of the second column, and the first guide rod passes through the guide block and is slidably connected to the guide block.

[0016] Furthermore, a second guide rod parallel to the reciprocating screw rod is installed on the upper inner portion of the U-shaped frame. The second guide rod passes through the second threaded block and is slidably connected to the second threaded block.

[0017] Furthermore, support bars are provided on both sides of the dust box, filters are placed on the support bars, and a dust box door is provided on one side of the dust box.

[0018] Compared with the prior art, the present invention provides a leather processing polishing device with the following beneficial effects:

[0019] The utility model passes the leather through a first pressing assembly, supports the straightened leather through a polishing platform in the middle, and then passes the leather through a second pressing assembly, and presses the two ends of the leather through the first pressing assembly and the second pressing assembly, so that the leather between the first pressing assembly and the second pressing assembly is straightened, so that the leather can be prevented from wrinkling due to the polishing movement while moving forward, and the first pressing assembly and the second pressing assembly can be adjusted according to leather of different thicknesses, thereby improving practicality, and the dust generated during the polishing process can be prevented from diffusing into the working environment through the dust cover, and the polishing assembly can be driven up and down by the telescopic rod so that the polishing assembly can contact the leather surface, so that the polishing assembly can polish leather of different thicknesses, and the telescopic rod can be driven horizontally by the moving assembly, thereby driving the polishing assembly horizontally, so that the polishing assembly can reciprocate to polish the leather, and the dust generated during the polishing process can be removed by the dust removal assembly, thereby providing a good working environment and ensuring the health of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0021] Figure 2 This is a front view structural diagram of the present utility model;

[0022] Figure 3 yes Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0023] Figure 4 This is a schematic diagram of the left side cross-sectional structure of the first pressing assembly of the present invention;

[0024] Figure 5 It is a schematic diagram of the left side cross-sectional structure of the mobile component and the dust removal component of the utility model;

[0025] Figure 6 It is a left-side structural schematic diagram of the movable component and the dust removal component of the utility model.

[0026] Markings in the figure: 1. Base; 2. First clamping assembly; 21. First column; 22. Second column; 23. Support roller; 24. Through hole; 25. Threaded rod; 26. First threaded block; 27. Guide block; 28. Clamping roller; 29. First guide rod; 30. Handwheel; 3. Grinding platform; 4. Second clamping assembly; 5. Dust cover; 6. U-shaped frame; 7. Moving assembly; 71. Reciprocating screw; 72. Second threaded block; 73. First motor; 74. Second guide rod; 8 , telescopic rod; 9, grinding assembly; 91, protective box; 92, second motor; 93, rotating shaft; 94, grinding disc; 10, dust removal assembly; 101, dust hood; 102, dust box; 103, hose; 104, fan; 105, filter; 106, three-way pipe; 107, support bar; 108, dust box door; 11, first opening; 12, second opening; 13, sealing strip brush; 14, support plate; 15, limit block; 16, observation window; 17, support leg. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0028] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0031] In the description of the present invention, “plurality” means two or more, unless otherwise clearly defined.

[0032] The present invention provides a leather processing grinding device. Figures 1 to 6 , including a base 1, on which a first pressing component 2, a polishing platform 3 and a second pressing component 4 are sequentially provided along the leather conveying direction. The first pressing component 2 and the second pressing component 4 have the same structure. A dust cover 5 is provided on the polishing platform 3 to prevent the dust generated during the polishing process from spreading into the working environment. A U-shaped frame 6 is installed on the base 1, and a moving component 7 is provided on the upper part of the U-shaped frame 6. A telescopic rod 8 is installed at the bottom of the moving component 7. The telescopic end of the telescopic rod 8 extends to one end inside the dust cover 5 and is equipped with a polishing component 9 to polish the leather surface. Dust removal components 10 are provided on both sides of the polishing component 9 to remove the dust generated during the polishing process, providing a good working environment and ensuring the health of the staff.

[0033] Specifically, support legs 17 are installed on both sides of the bottom of the base 1. Preferably, the number of support legs 17 is 4, which are distributed in a rectangular array at the four corners of the base 1; the two ends of the leather are pressed by the first pressing component 2 and the second pressing component 4, so that the leather between the first pressing component 2 and the second pressing component 4 is straightened, so that the leather can be moved forward without causing wrinkles in the leather due to the polishing movement, and the first pressing component 2 and the second pressing component 4 can be adjusted according to leathers of different thicknesses, thereby improving practicality; the leather stretched in the middle is supported by the polishing platform 3, which facilitates the polishing work of the polishing component 9; the telescopic rod 8 is preferably an electric telescopic rod, which can drive the polishing component 9 to move up and down through the telescopic rod 8 The movement of the polishing assembly 9 brings the polishing assembly 9 into contact with the leather surface, so that the polishing assembly 9 can polish leathers of different thicknesses; the telescopic rod 8 is driven to move horizontally by the moving assembly 7, thereby driving the polishing assembly 9 to move horizontally, so that the polishing assembly 9 can move back and forth to polish the leather; an observation window 16 is provided on one side of the dust cover 5, which is convenient for the staff to observe the polishing situation inside the dust cover 5; first openings 11 for leather to pass through are provided on both sides of the dust cover 5, and preferably, a sealing strip brush 13 (not shown) is also provided on the top of the first opening 11; an unwinder is provided on the side close to the first clamping assembly 2, and a winder is provided on the side close to the second clamping assembly 4, and the leather is driven to move through the cooperation of the unwinder and the winder.

[0034] Among them, reference Figure 3 In this embodiment, a second opening 12 is provided on the top of the dust cover 5 for the telescopic end of the telescopic rod 8 to pass through, and sealing brushes 13 are provided on both sides of the second opening 12.

[0035] Specifically, the second opening 12 is arranged in a rectangular shape to facilitate the horizontal movement of the telescopic rod 8; and the sealing strip brush 13 is provided to prevent dust generated during the grinding process from overflowing from the second opening 12 into the working environment.

[0036] Reference Figure 1 In this embodiment, a limit block 15 is installed on a section of the telescopic end of the telescopic rod 8 located inside the dust cover 5.

[0037] Specifically, the size of the limiting block 15 is larger than the width of the second opening 12, so that when the telescopic rod 8 retracts, the dust cover 5 can be lifted together through the limiting block 15, which is convenient for the staff to place the leather.

[0038] Reference Figure 4 In this embodiment, the first clamping assembly 2 includes a first column 21 and a second column 22 respectively installed on both sides of the base 1, and a support roller 23 is rotatably installed between the lower parts of the first column 21 and the second column 22 to support the leather. The upper parts of the first column 21 and the second column 22 are both provided with a through hole 24, and a threaded rod 25 is rotatably provided in the through hole 24 of the first column 21. A first threaded block 26 is threadedly connected to the threaded rod 25, and a guide block 27 is slidably provided in the through hole 24 of the second column 22. A clamping roller 28 is installed between the first threaded block 26 and the guide block 27, and the clamping roller 28 is located directly above the support roller 23.

[0039] Specifically, the threaded rod 25 is vertically arranged; the top of the threaded rod 25 extends out of the top of the first column 21 and is connected to the handwheel 30; the top surface of the grinding platform 3 is flush with the top of the support roller 23.

[0040] Among them, reference Figure 4 In this embodiment, a first guide rod 29 is provided in the through hole 24 of the second column 22 . The first guide rod 29 passes through the guide block 27 and is slidably connected to the guide block 27 .

[0041] Specifically, the first guide rod 29 is vertically arranged; through the arrangement of the first guide rod 29, the upward and downward movement of the pressure roller 28 is more stable.

[0042] By rotating the threaded rod 25 through the hand wheel 30, the threaded rod 25 drives the first threaded block 26 to move up and down along the through hole 24, and simultaneously makes the guide block 27 slide on the first guide rod 29, driving the pressing roller 28 to move up and down, so that the pressing roller 28 can be adjusted up and down according to leather of different thicknesses, and through the cooperation of the pressing roller 28 and the supporting roller 23, the leather is pressed, so that the leather between the first pressing component 2 and the second pressing component 4 is straightened, so that the leather can move forward while avoiding the problem of wrinkles in the leather caused by the grinding movement.

[0043] Reference Figure 5 and Figure 6 In this embodiment, the moving assembly 7 includes a reciprocating screw rod 71 that is horizontally rotatably installed on the upper inner part of the U-shaped frame 6. A second threaded block 72 is threadedly connected to the reciprocating screw rod 71. A telescopic rod 8 is installed at the bottom of the second threaded block 72. One end of the reciprocating screw rod 71 passes through the U-shaped frame 6 and is connected to the output end of the first motor 73.

[0044] Among them, reference Figure 5 and Figure 6 In this embodiment, a second guide rod 74 parallel to the reciprocating screw 71 is installed on the upper inner part of the U-shaped frame 6, so that the movement of the second threaded block 72 is more stable. The second guide rod 74 passes through the second threaded block 72 and is slidably connected to the second threaded block 72.

[0045] The first motor 73 is started, and the first motor 73 drives the reciprocating screw 71 to rotate, and the reciprocating screw 71 drives the second threaded block 72 to move, thereby driving the telescopic rod 8 to move.

[0046] Reference Figure 1 In this embodiment, the polishing assembly 9 includes a protective box 91 installed on the telescopic end of the telescopic rod 8 to protect the second motor 92 to prevent dust from affecting the second motor 92. The second motor 92 is installed in the protective box 91, and the output end of the second motor 92 is connected to a rotating shaft 93. The end of the rotating shaft 93 extending to the outside of the protective box 91 is equipped with a polishing disc 94 for polishing the leather. Support plates 14 are provided on both sides of the protective box 91, and a dust removal assembly 10 is provided on the support plate 14.

[0047] Specifically, the rotating shaft 93 is rotationally connected to the protection box 91 .

[0048] Reference Figure 5 In this embodiment, the dust removal assembly 10 includes a dust hood 101 installed at the bottom of the support plate 14, a dust box 102 is provided on one side of the base 1, a hose 103 is connected to the top of the dust hood 101, and the hose 103 extends out of the dust cover 5 and is connected to the dust box 102. A fan 104 is provided on one side of the dust box 102, and the lower side of the dust box 102 is connected to the air inlet of the fan 104 through a pipe.

[0049] Specifically, the grinding disc 94 is located below the bottom of the dust hood 101; an opening is provided at the top of the dust hood 101 for the hose 103 to pass through; a three-way pipe 106 is provided at the top of the dust box 102, and the two hoses 103 are connected to the two branches of the three-way pipe 106.

[0050] Among them, reference Figure 5 and Figure 6In this embodiment, support bars 107 are provided on both sides of the dust box 102 , and a filter 105 is placed on the support bars 107 . A dust box door 108 is provided on one side of the dust box 102 .

[0051] Specifically, the filter 105 is slidably placed on the support bar 107; the filter 105 is provided to block dust and prevent dust from being directly discharged into the working environment and affecting the health of the staff; a dust box door 108 is hingedly provided on one side of the dust box 102. After polishing is completed, the filter 105 can be taken out by opening the dust box door 108, and the filter 105 can be cleaned or replaced.

[0052] In this embodiment, the first motor 73, the second motor 92, the telescopic rod 8, the reciprocating screw 71, the fan 104, the unwinder and the rewinder are all existing technologies and will not be described in detail here.

[0053] Working principle: When in use, the leather is wound onto the unwinder, and then the leather is passed through the first pressing component 2, and the middle part is placed on the polishing platform 3, and then the leather is passed through the second pressing component 4 and wound onto the winder. The threaded rod 25 is rotated by the hand wheel 30, and the threaded rod 25 drives the first threaded block 26 to move downward along the through hole 24, and simultaneously makes the guide block 27 slide on the first guide rod 29, driving the pressing roller 28 to move downward, so that the pressing roller 28 can be adjusted up and down according to the different thicknesses of leather, and the leather is pressed by the cooperation of the pressing roller 28 and the supporting roller 23. Through the winder, the leather between the first pressing component 2 and the second pressing component 4 is straightened and driven to move forward. At the same time, the grinding disc 94 is driven to contact the leather surface through the extension and retraction of the telescopic rod 8, and the dust cover 5 is covered on the polishing platform. 3, start the second motor 92, the second motor 92 drives the rotating shaft 93 to rotate, thereby driving the grinding disc 94 to rotate and grind the leather. At the same time, start the first motor 73, the first motor 73 drives the reciprocating screw 71 to rotate, and the reciprocating screw 71 drives the second threaded block 72 to move, thereby driving the telescopic rod 8 to move, and then driving the protection box 91 to move, thereby driving the grinding disc 94 to move, so that the grinding disc 94 can reciprocate, thereby achieving the grinding work on the leather surface. At the same time, start the fan 104, and absorb the dust generated during the grinding process through the dust collecting hood 101, and enter the dust collecting box 102 through the hose 103 and the three-way pipe 106 for collection. The dust is filtered through the filter 105, and the filtered air is discharged through the fan 104, providing a good working environment and ensuring the health of the staff.

[0054] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. A leather processing polishing device, comprising a base (1), characterized in that: The base (1) is provided with a first pressing assembly (2), a polishing platform (3) and a second pressing assembly (4) in sequence along the leather conveying direction; the first pressing assembly (2) and the second pressing assembly (4) have the same structure; the polishing platform (3) is provided with a dust cover (5); a U-shaped frame (6) is installed on the base (1); a moving assembly (7) is provided on the upper part of the U-shaped frame (6); a telescopic rod (8) is installed at the bottom of the moving assembly (7); a polishing assembly (9) is installed at one end of the telescopic end of the telescopic rod (8) extending into the dust cover (5); and dust removal assemblies (10) are provided on both sides of the polishing assembly (9).

2. The leather processing polishing device according to claim 1, characterized in that: The first clamping assembly (2) comprises a first column (21) and a second column (22) respectively mounted on both sides of the base (1); a support roller (23) is rotatably mounted between the lower parts of the first column (21) and the second column (22); a through hole (24) is provided on the upper parts of the first column (21) and the second column (22); a threaded rod (25) is rotatably mounted in the through hole (24) of the first column (21); a first threaded block (26) is threadedly connected to the threaded rod (25); a guide block (27) is slidably mounted in the through hole (24) of the second column (22); a clamping roller (28) is mounted between the first threaded block (26) and the guide block (27); and the clamping roller (28) is located directly above the support roller (23).

3. The leather processing polishing device according to claim 1, characterized in that: The moving assembly (7) comprises a reciprocating screw (71) which is horizontally rotatably mounted on the upper inner portion of the U-shaped frame (6); a second threaded block (72) is threadedly connected to the reciprocating screw (71); a telescopic rod (8) is mounted at the bottom of the second threaded block (72); and one end of the reciprocating screw (71) passes through the U-shaped frame (6) and is connected to the output end of the first motor (73).

4. The leather processing polishing device according to claim 1, characterized in that: The grinding assembly (9) comprises a protection box (91) mounted on the telescopic end of the telescopic rod (8), a second motor (92) is mounted in the protection box (91), a rotating shaft (93) is connected to the output end of the second motor (92), a grinding disc (94) is mounted on one end of the rotating shaft (93) extending to the outside of the protection box (91), support plates (14) are provided on both sides of the protection box (91), and a dust removal assembly (10) is provided on the support plates (14).

5. The leather processing polishing device according to claim 4, characterized in that: The dust removal assembly (10) comprises a dust collecting hood (101) mounted on the bottom of the support plate (14); a dust collecting box (102) is provided on one side of the base (1); a hose (103) is connected to the top of the dust collecting hood (101); the hose (103) extends out of the dustproof cover (5) and is connected to the dust collecting box (102); a fan (104) is provided on one side of the dust collecting box (102); and a lower side of the dust collecting box (102) is connected to an air inlet of the fan (104) through a pipeline.

6. The leather processing polishing device according to claim 1, characterized in that: A second opening (12) is provided on the top of the dust cover (5) for the telescopic end of the telescopic rod (8) to pass through, and sealing brushes (13) are provided on both sides of the second opening (12).

7. The leather processing polishing device according to claim 1, characterized in that: A limiting block (15) is installed on a section of the telescopic end of the telescopic rod (8) located inside the dust cover (5).

8. The leather processing polishing device according to claim 2, characterized in that: A first guide rod (29) is provided in the through hole (24) of the second column (22). The first guide rod (29) passes through the guide block (27) and is slidably connected to the guide block (27).

9. The leather processing polishing device according to claim 3, characterized in that: A second guide rod (74) parallel to the reciprocating screw rod (71) is installed on the upper inner portion of the U-shaped frame (6). The second guide rod (74) passes through the second threaded block (72) and is slidably connected to the second threaded block (72).

10. The leather processing polishing device according to claim 5, characterized in that: Support bars (107) are provided on both sides of the dust box (102), a filter screen (105) is placed on the support bars (107), and a dust box door (108) is provided on one side of the dust box (102).

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