Apparatus for manufacturing a texture layer structure of leather and processing method thereof

By introducing pressing, positioning, and cleaning mechanisms into the leather processing equipment, the problems of leather unwinding deformation and dust adhesion were solved, achieving stable conveying and clean processing.

CN117887903BActive Publication Date: 2026-04-28无锡泛博智能饰件股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
无锡泛博智能饰件股份有限公司
Filing Date
2023-12-30
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing equipment suffers from problems such as deformation, inaccurate positioning, and dust adhesion during leather processing when unwinding the leather.

Method used

The system employs an unwinding, embossing, cooling, and cleaning mechanism within a support frame, including a pressing assembly, a positioning assembly, and a cleaning mechanism. Stable conveying, positioning, and cleaning of the leather are achieved through an electric telescopic rod, a servo motor, and a vacuum cleaner.

Benefits of technology

This ensures the leather remains stably conveyed during processing, preventing deformation and shifting, and effectively removes surface dust, thus improving processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application belongs to leather processing technical field, disclose a kind of leather texture layered structure manufacturing device and its processing method, including support frame, heating plate and control panel located at the front end of support frame, dust collector and first servo motor being symmetrically installed on the inner wall of support frame, the first chute is symmetrically opened on the inner wall of support frame, the unwinding mechanism is installed in the first chute, the embossing mechanism is installed in the right side of unwinding mechanism, the heating plate is between unwinding mechanism and embossing mechanism, the cooling mechanism is installed in the right side of embossing mechanism, the cleaning mechanism is installed in the right side of cooling mechanism.The present application solves the problem that existing device is unwound leather, in order to make leather conveying keep certain height, need to be conveyed through positioning roller, with the number of turns less and less positioning roller can cause leather slight deformation, cannot position different size leather and leather after fan cooling dust in air adhere to the surface of leather cannot be cleaned.
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Description

Technical Field

[0001] This invention relates to the field of leather processing technology, specifically to an apparatus and method for manufacturing the textured layered structure of leather. Background Technology

[0002] Leather is animal hide that has undergone physical and chemical processing, such as hair removal and tanning, to become deformed and less prone to decay. Leather is composed of naturally woven protein fibers in a three-dimensional space, and its surface has a special grain layer, giving it a natural grain and luster, and a comfortable feel.

[0003] However, existing equipment still has the following drawbacks in leather processing;

[0004] First: When unwinding the leather, as the leather is processed, the number of leather loops decreases, and the leather cannot be conveyed at a constant height. Positioning rollers are needed to position the leather before conveying it. During this process, the leather is easily deformed.

[0005] Second: When processing leather of different sizes, it is impossible to center it, which will cause the leather to shift, thus affecting the embossing mechanism's ability to emboss the leather;

[0006] Third: When the embossed leather is cooled by a fan, dust in the air will stick to the surface of the leather. Summary of the Invention

[0007] The purpose of this invention is to provide a manufacturing apparatus and processing method for the textured layered structure of leather. This invention solves the problems of existing devices that require positioning rollers to maintain the leather at a certain height during unwinding, which cause slight deformation of the leather as the number of rolls decreases, make it impossible to position leather of different sizes, and cause dust in the air to stick to the surface of the leather after it has been cooled by a fan and cannot be cleaned.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a leather texture layer structure manufacturing device, comprising a support frame, heating plates symmetrically installed on the inner wall of the support frame, and a control panel, a vacuum cleaner, and a first servo motor located at the front end of the support frame. The inner wall of the support frame is symmetrically provided with first sliding grooves, an unwinding mechanism is installed inside the first sliding grooves, an embossing mechanism is installed to the right of the unwinding mechanism, the heating plates are located between the unwinding mechanism and the embossing mechanism, a cooling mechanism is installed to the right of the embossing mechanism, and a cleaning mechanism is installed to the right of the cooling mechanism.

[0009] Preferably, the unwinding mechanism includes a pressing component, a positioning component, and a rotating component. The pressing component includes a squeezing roller, which is slidably mounted on the support frame through a third groove. An electric telescopic rod is fixedly and symmetrically mounted on the upper end face of the squeezing roller, and the upper end of the electric telescopic rod passes through the third groove and is fixedly connected to the support frame.

[0010] Preferably, the positioning assembly includes four sliders. A first support plate is slidably mounted on the lower end face of each slider. Both ends of the first support plate are fixedly mounted on an electric telescopic rod. A fourth slide groove is symmetrically opened on the upper end face of the first support plate. A fixing frame is fixedly mounted through the fourth slide groove on the lower end face of the slider. A first round rod is symmetrically rotatably mounted on the lower end face of the fixing frame. A tension spring is fixedly mounted on the side of the fixing frame away from the electric telescopic rod. A sliding rod is symmetrically mounted on the other side of the fixing frame. The sliding rod is slidably mounted on the support frame through a second slide groove. A second support plate is fixedly mounted on the side of the sliding rod away from the fixing frame. A second round rod is rotatably mounted on the inner wall of the second support plate. A fixing block abuts against the side of the second round rod facing the support frame. The fixing block is fixedly mounted on the outer wall of the support frame.

[0011] Preferably, the rotating assembly includes two slide blocks, which are slidably installed in the first slide groove. A plurality of rollers are rotatably installed at equal intervals on the inner wall of the slide blocks. A unwinding roller is abutted on the side of the rollers away from the slide blocks. A spring is symmetrically installed on the lower end face of the slide blocks, and the lower end face of the spring is installed on the support frame.

[0012] Preferably, the embossing mechanism includes a second servo motor, which is fixedly mounted on the outer wall of the support frame. An upper pressure roller is fixedly mounted through the support frame via the output shaft of the second servo motor. A first gear is fixedly mounted through the support frame on the side of the upper pressure roller away from the second servo motor. A second gear meshes with one side of the first gear. A lower pressure roller is fixedly mounted through the support frame on the side of the second gear facing the second servo motor. Several heating rods are evenly distributed along the circumference inside the upper and lower pressure rollers.

[0013] Preferably, the cooling mechanism includes two third support plates, which are symmetrically installed on the inner wall of the support frame, and a plurality of fans are installed on the outer wall of the third support plates.

[0014] Preferably, the cleaning mechanism includes a take-up roller, which is rotatably mounted on the inner wall of the support frame. One side of the take-up roller is fixedly mounted on the output shaft of a first servo motor through the support frame, and the other side of the take-up roller is fixedly mounted on a first pulley through the support frame. A belt is sleeved on the outer wall of the first pulley, and a second pulley is sleeved on the inner wall of the upper end of the belt. A fourth gear is mounted on the side of the second pulley away from the support frame, and a third gear meshes with one side of the fourth gear. A first brush is fixedly mounted on the side of the third gear facing the take-up roller through the support frame, and a second brush is fixedly mounted on the side of the support frame facing the second pulley facing the take-up roller.

[0015] Preferably, the method for manufacturing and processing the textured layered structure of leather includes the following steps:

[0016] Step 1: First, place the pre-processed leather on the unwinding roller, then place it on the slide block from the first chute. At the same time, the electric telescopic rod extends down, driving the extrusion roller to squeeze the leather on the unwinding roller, so that it will not loosen when unwinding. The first round rod will center and position the leather on the unwinding roller to prevent it from deviating.

[0017] Step 2: After being unrolled, the leather is preheated by a heating plate, then textured by upper and lower pressure rollers, and then cooled by a fan. At this time, dust in the air will stick to the surface of the leather. The first and second brushes clean the dust, and the dust is sucked into the vacuum cleaner through the suction port. The cleaned leather is then rolled up on the take-up roller.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] I. This invention, by setting up a pressing component and a rotating component, allows the electric telescopic rod to extend downwards and push the squeezing roller to contact the leather on the unwinding roller, preventing the leather from becoming loose during unwinding and making it impossible to achieve uniform unwinding. Furthermore, as the number of leather loops decreases, the spring will push the slide block upwards, and the slide block will drive the unwinding roller to rise, so that the leather and the squeezing roller continue to contact each other, ensuring that the leather is transported at the same height.

[0020] II. By setting up a positioning component, the electric telescopic rod extends downward, driving the first support plate to descend. The first support plate drives the slider to move downward through the fourth slide groove. The slider drives the fixed frame to move downward. The fixed frame drives the first round rod to move downward. At the same time, the downward movement of the fixed frame drives the slide rod to slide downward in the second slide groove. The slide rod drives the second round rod to move downward through the second support plate. The tension spring pulls the second round rod to abut against the fixed block. The second round rod moves to one side of the fixed frame, thereby enabling the fixed frame to drive the first round rod to position leather of different sizes on the unwinding roller, preventing deviation. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a cross-sectional view of the present invention;

[0023] Figure 3 for Figure 1 Another perspective illustration;

[0024] Figure 4 This is a schematic diagram of the unwinding mechanism of the present invention;

[0025] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0026] Figure 6 This is a schematic diagram of the embossing mechanism of the present invention;

[0027] Figure 7 for Figure 6 Sectional view;

[0028] Figure 8 This is a schematic diagram of the cleaning mechanism of the present invention;

[0029] Figure 9 This is a schematic diagram of the second pulley of the present invention.

[0030] In the diagram: 1. Support frame; 2. First chute; 3. Heating plate; 4. Vacuum cleaner; 5. First servo motor; 6. Control panel; 7. Conveyor roller; 100. Unwinding mechanism; 200. Embossing mechanism; 300. Cooling mechanism; 400. Cleaning mechanism; 101. Electric telescopic rod; 102. Second chute; 103. First support plate; 104. Fixing frame; 105. First round rod; 106. Third chute; 107. Slider; 108. Fourth chute; 109. Fixing block; 110. Second support plate; 111. Second round rod; 112. Extrusion roller; 113. Slide rod; 114. Spring; 115. Unwind roller; 116. Tension spring; 117. Slide block; 118. Roller; 201. Second servo motor; 202. Upper pressure roller; 203. First gear; 204. Second gear; 205. Lower pressure roller; 206. Heating rod; 301. Third support plate; 302. Fan; 401. Third gear; 402. Belt; 403. First pulley; 404. First brush; 405. Second brush; 406. Dust suction port; 407. Take-up roller; 408. Second pulley; 409. Fourth gear. Detailed Implementation

[0031] Please see Figures 1 to 9The present invention provides a technical solution: a leather texture layer structure manufacturing device, including a support frame 1, a heating plate 3 symmetrically installed on the inner wall of the support frame 1, a control panel 6 located on the front end of the support frame 1, a vacuum cleaner 4, and a first servo motor 5. The inner wall of the support frame 1 is symmetrically provided with a first sliding groove 2. A winding mechanism 100 is installed inside the first sliding groove 2. An embossing mechanism 200 is installed on the right side of the winding mechanism 100. The heating plate 3 is located between the winding mechanism 100 and the embossing mechanism 200. A cooling mechanism 300 is installed on the right side of the embossing mechanism 200. A cleaning mechanism 400 is installed on the right side of the cooling mechanism 300.

[0032] Heating plate 3 preheats the leather, vacuum cleaner 4 collects dust, and control panel 6 sets parameters;

[0033] Furthermore, such as Figure 4 As shown, the unwinding mechanism 100 includes a pressing component, a positioning component, and a rotating component. The pressing component includes a squeezing roller 112. The squeezing roller 112 is slidably mounted on the support frame 1 through a third sliding groove 106 opened on the support frame 1. An electric telescopic rod 101 is fixedly and symmetrically mounted on the upper end face of the squeezing roller 112, and the upper end of the electric telescopic rod 101 passes through the third sliding groove 106 and is fixedly connected to the support frame 1.

[0034] The electric telescopic rod 101 drives the extrusion roller 112 to move up and down, squeezing and pressing the leather on the unwinding roller 115 to prevent the leather from loosening during unwinding and thus preventing it from being unwound at a uniform speed.

[0035] Furthermore, such as Figure 4 As shown, the positioning assembly includes four sliders 107. A first support plate 103 is slidably mounted on the lower end face of each slider 107. Both ends of the first support plate 103 are fixedly mounted on the electric telescopic rod 101. A fourth slide groove 108 is symmetrically opened on the upper end face of the first support plate 103. A fixing frame 104 is fixedly mounted through the fourth slide groove 108 on the lower end face of each slider 107. A first round rod 105 is symmetrically rotatably mounted on the lower end face of the fixing frame 104. The fixing frame 104 is located on the side away from the electric telescopic rod 101. A tension spring 116 is fixedly installed. A slide rod 113 is symmetrically installed on the other side of the fixed frame 104. The slide rod 113 is slidably installed on the support frame 1 through a second slide groove 102 opened on the support frame 1. A second support plate 110 is fixedly installed on the side of the slide rod 113 away from the fixed frame 104. A second round rod 111 is rotatably installed on the inner wall of the second support plate 110. A fixing block 109 abuts against the side of the second round rod 111 facing the support frame 1. The fixing block 109 is fixedly installed on the outer wall of the support frame 1.

[0036] When the first support plate 103 moves up and down, it drives the slider 107 to move through the fourth slide groove 108. The slider 107 drives the fixed frame 104 to move. The fixed frame 104 drives the first round rod 105 to move. The fixed frame 104 drives the slide rod 113 to slide in the second slide groove 102. The slide rod 113 drives the second round rod 111 to rotate through the second support plate 110. The second round rod 111 presses against the fixed block 109. The first round rod 105 no longer clamps the leather on the unwinding roller 115. The tension spring 116 can pull the fixed frame 104. The fixed frame 104 drives the first round rod 105 to clamp and position the leather on the unwinding roller 115.

[0037] Furthermore, such as Figure 4 , Figure 5 As shown, the rotating assembly includes two slide blocks 117, which are slidably installed in the first slide groove 2. Several rollers 118 are rotatably installed at equal intervals on the inner wall of the slide block 117. The side of the rollers 118 away from the slide block 117 abuts against the unwinding roller 115. A spring 114 is symmetrically installed on the lower end face of the slide block 117, and the lower end face of the spring 114 is installed on the support frame 1.

[0038] The leather is placed on the unwinding roller 115 and then placed into the slide block 117 through the first slide groove 2. The roller 118 can reduce the rotational resistance of the unwinding roller 115.

[0039] Furthermore, such as Figure 6 , Figure 7 As shown, the embossing mechanism 200 includes a second servo motor 201, which is fixedly mounted on the outer wall of the support frame 1. The output shaft of the second servo motor 201 passes through the support frame 1 and is fixedly mounted with an upper pressure roller 202. A first gear 203 is fixedly mounted through the support frame 1 on the side of the upper pressure roller 202 away from the second servo motor 201. A second gear 204 meshes with one side of the first gear 203. A lower pressure roller 205 is fixedly mounted through the support frame 1 on the side of the second gear 204 facing the second servo motor 201. Several heating rods 206 are evenly distributed along their circumference inside the upper pressure roller 202 and the lower pressure roller 205.

[0040] Heating rod 206 heats upper pressure roller 202 and lower pressure roller 205. Second servo motor 201 rotates to drive upper pressure roller 202 to rotate. Upper pressure roller 202 drives first gear 203 to rotate. Since second gear 204 and first gear 203 mesh with each other, second gear 204 drives lower pressure roller 205 to rotate, thus processing the leather.

[0041] Furthermore, such as Figure 3 As shown, the cooling mechanism 300 includes two third support plates 301, which are symmetrically installed on the inner wall of the support frame 1, and a plurality of fans 302 are installed on the outer wall of the third support plates 301.

[0042] Fan 302 rotates to cool the leather;

[0043] Furthermore, such as Figure 8 , Figure 9 As shown, the cleaning mechanism 400 includes a take-up roller 407, which is rotatably mounted on the inner wall of the support frame 1. One side of the take-up roller 407 is fixedly mounted on the output shaft of the first servo motor 5 through the support frame 1, and the other side of the take-up roller 407 is fixedly mounted on the support frame 1 through the support frame 1. A belt 402 is sleeved on the outer wall of the first belt 403, and a second belt 408 is sleeved on the inner wall of the upper end of the belt 402. A fourth gear 409 is installed on the side of the second belt 408 away from the support frame 1, and a third gear 401 meshes with one side of the fourth gear 409. A first brush 404 is fixedly mounted on the side of the third gear 401 facing the take-up roller 407 through the support frame 1, and a second brush 405 is fixedly mounted on the side of the second belt 408 facing the take-up roller 407 through the support frame 1. Dust suction ports 406 are symmetrically installed on the inner wall of the support frame 1, and one side of the dust suction port 406 is connected to the vacuum cleaner 4 through the support frame 1.

[0044] The first servo motor 5 drives the take-up roller 407 to rotate, the take-up roller 407 drives the first pulley 403 to rotate, the first pulley 403 drives the second pulley 408 to rotate via the belt 402, the second pulley 408 drives the second brush 405 to clean one side of the leather, the second pulley 408 drives the fourth gear 409 to rotate, since the third gear 401 and the fourth gear 409 mesh with each other, the third gear 401 drives the first brush 404 to rotate, the first brush 404 cleans the other side of the leather, and at the same time the suction port 406 absorbs the cleaned dust and enters the vacuum cleaner 4;

[0045] Furthermore, such as Figure 2 As shown, a conveyor roller 7 is rotatably mounted on the inner wall of the support frame 1 to facilitate leather conveying.

[0046] In this embodiment, the method for manufacturing a textured layered structure of leather includes the following steps:

[0047] Step 1: Operate the heating plate 3, fan 302, first servo motor 5, second servo motor 201, and vacuum cleaner 4 via control panel 6. Place the leather on unwinding roller 115, then place it into slide block 117 via first slide groove 2. Slide block 117 compresses spring 114 downwards, while electric telescopic rod 101 extends downwards, pushing compression roller 112 to contact the leather on unwinding roller 115, preventing the leather from becoming loose during unwinding and ensuring uniform unwinding. Simultaneously, electric telescopic rod 101 extends downwards, causing first support plate 103 to descend. First support plate 103 moves slider 107 downwards via fourth slide groove 108, which in turn moves fixing frame 104 downwards. 04 drives the first round rod 105 to move down. The fixed frame 104 moves down and simultaneously drives the slide rod 113 to slide down in the second slide groove 102. The slide rod 113 drives the second round rod 111 to move down through the second support plate 110. The tension spring 116 pulls the second round rod 111 to abut against the fixed block 109. The second round rod 111 moves towards the side of the fixed frame 104. At this time, the fixed frame 104 drives the first round rod 105 to position the leather on the unwinding roller 115 to prevent deviation. As the number of leather loops decreases, the spring 114 will push the slide seat 117 upward. The slide seat 117 drives the leather on the unwinding roller 115 to continue to abut against the squeezing roller 112 to ensure that the leather is conveyed at the same height.

[0048] Step 2: The leather is preheated by heating plate 3. Heating rod 206 heats the upper pressure roller 202 and lower pressure roller 205. The second servo motor 201 rotates, simultaneously driving the upper pressure roller 202 to rotate. The upper pressure roller 202 drives the first gear 203 to rotate. Since the second gear 204 and the first gear 203 mesh with each other, the second gear 204 drives the lower pressure roller 205 to rotate, thus processing both sides of the leather. After cooling by fan 302, it passes over conveyor roller 7. At this time, the first servo motor 5 drives the take-up roller 407 to work, and the take-up roller 407 drives the first... When pulley 403 rotates, the first pulley 403 drives the second pulley 408 to rotate via belt 402. The second pulley 408 drives the second brush 405 to clean the leather surface. Dust is sucked away by the suction port 406 below. At the same time, the second pulley 408 drives the fourth gear 409 to rotate, the fourth gear 409 drives the third gear 401 to rotate, and the third gear 401 drives the first brush 404 to rotate. The first brush 404 cleans the leather surface, and dust is sucked away by the suction port 406 below and enters the vacuum cleaner 4. The winding roller 407 then winds up the dust.

Claims

1. A leather texture layer structure manufacturing apparatus, comprising a support frame (1), heating plates (3) symmetrically mounted on the inner wall of the support frame (1), a control panel (6) located on the front end face of the support frame (1), a vacuum cleaner (4), and a first servo motor (5), characterized in that: The support frame (1) has a first groove (2) symmetrically opened on the inner wall. The first groove (2) is equipped with an unwinding mechanism (100). An embossing mechanism (200) is installed on the right side of the unwinding mechanism (100). The heating plate (3) is located between the unwinding mechanism (100) and the embossing mechanism (200). A cooling mechanism (300) is installed on the right side of the embossing mechanism (200). A cleaning mechanism (400) is installed on the right side of the cooling mechanism (300). The unwinding mechanism (100) includes a pressing component, a positioning component and a rotating component. The pressing component includes a squeezing roller (112). The squeezing roller (112) is slidably mounted on the support frame (1) through a third slide groove (106) opened on the support frame (1). An electric telescopic rod (101) is fixedly and symmetrically mounted on the upper end face of the squeezing roller (112), and the upper end of the electric telescopic rod (101) passes through the third slide groove (106) and is fixedly connected to the support frame (1). The positioning assembly includes four sliders (107). A first support plate (103) is slidably mounted on the lower end face of each slider (107). Both ends of the first support plate (103) are fixedly mounted on the electric telescopic rod (101). A fourth groove (108) is symmetrically opened on the upper end face of the first support plate (103). A fixing frame (104) is fixedly mounted through the fourth groove (108) on the lower end face of the slider (107). A first round rod (105) is symmetrically rotatably mounted on the lower end face of the fixing frame (104). A fixed rod is fixedly mounted on the side of the fixing frame (104) away from the electric telescopic rod (101). A tension spring (116) and a sliding rod (113) are symmetrically installed on the other side of the fixing frame (104). The sliding rod (113) is slidably installed on the support frame (1) through the second sliding groove (102) opened on the support frame (1). A second support plate (110) is fixedly installed on the side of the sliding rod (113) away from the fixing frame (104). A second round rod (111) is rotatably installed on the inner wall of the second support plate (110). A fixing block (109) is abutted on the side of the second round rod (111) facing the support frame (1). The fixing block (109) is fixedly installed on the outer wall of the support frame (1). The rotating assembly includes two slides (117), which are slidably installed in the first slide groove (2). Several rollers (118) are rotatably installed at equal intervals on the inner wall of the slides (117). The side of the rollers (118) away from the slides (117) abuts against the unwinding roller (115). A spring (114) is symmetrically installed on the lower end face of the slides (117), and the lower end face of the spring (114) is installed on the support frame (1).

2. The apparatus for manufacturing a textured layered structure of leather according to claim 1, characterized in that: The embossing mechanism (200) includes a second servo motor (201), which is fixedly mounted on the outer wall of the support frame (1). The output shaft of the second servo motor (201) passes through the support frame (1) and is fixedly mounted with an upper pressure roller (202). On the side of the upper pressure roller (202) away from the second servo motor (201), a first gear (203) is fixedly mounted through the support frame (1). On one side of the first gear (203), a second gear (204) meshes. On the side of the second gear (204) facing the second servo motor (201), a lower pressure roller (205) is fixedly mounted through the support frame (1). Several heating rods (206) are evenly distributed along their circumference inside the upper pressure roller (202) and the lower pressure roller (205).

3. The apparatus for manufacturing a textured layered structure of leather according to claim 1, characterized in that: The cooling mechanism (300) includes two third support plates (301), which are symmetrically installed on the inner wall of the support frame (1), and several fans (302) are installed on the outer wall of the third support plate (301).

4. The apparatus for manufacturing a textured layered structure of leather according to claim 1, characterized in that: The cleaning mechanism (400) includes a take-up roller (407), which is rotatably mounted on the inner wall of the support frame (1). One side of the take-up roller (407) passes through the support frame (1) and is fixedly mounted on the output shaft of the first servo motor (5). The other side of the take-up roller (407) passes through the support frame (1) and is fixedly mounted on a first pulley (403). A belt (402) is sleeved on the outer wall of the first pulley (403). A second pulley (408) is sleeved on the inner wall of the upper end of the belt (402). A fourth gear (409) is installed on the side of the second pulley (408) away from the support frame (1). A third gear (401) meshes on the side of the fourth gear (409). A first brush (404) is fixedly mounted on the side of the third gear (401) facing the take-up roller (407) through the support frame (1). A second brush (405) is fixedly mounted on the side of the second pulley (408) facing the take-up roller (407) of the support frame (1).

5. A method for manufacturing a layered texture structure of leather, using an apparatus for manufacturing a layered texture structure of leather as described in any one of claims 1-4, characterized in that: Includes the following steps: Step 1: First, place the pre-processed leather on the unwinding roller (115), and then place it on the slide block (117) from the first slide groove (2). At the same time, the electric telescopic rod (101) extends down, driving the extrusion roller (112) to extrude the leather on the unwinding roller (115) so that it will not loosen when unwinding. The first round rod (105) will center and position the leather on the unwinding roller (115) to prevent it from deviating. Step 2: The unrolled leather is preheated by the heating plate (3), and then textured by the upper pressure roller (202) and the lower pressure roller (205). Then the fan (302) cools it down. At this time, dust in the air will stick to the surface of the leather. The first brush (404) and the second brush (405) clean the dust. The suction port (406) absorbs the dust into the vacuum cleaner (4). The cleaned leather is rolled up on the take-up roller (407).

Citation Information

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