Method for manufacturing automotive interior leather

Abstract

The application discloses a manufacturing method of automobile interior leather, comprising the following steps: S1, selecting leather: selecting leather with smooth surface and no creases; S2, compounding: compounding the leather and the sponge through a compounding device to obtain a leather compound; S3, punching: processing the leather compound into a preset hole pattern by using a laser automatic puncher; S4, cutting: cutting the leather compound into a required shape by using a cutting bed; and S5, testing: testing and bundling the finished product of the automobile interior leather.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of leather processing, in particular to a manufacturing method of automotive interior leather. BACKGROUND

[0002] Automotive interior leather refers to leather materials used for interior decoration of automobiles. These materials are usually used in seats, steering wheels, door panels, and instrument panels to provide passengers with a comfortable riding experience and a luxurious visual impression. During its production process, it often needs to undergo multi-layer composite processing. The purpose of this process is to make the leather have better air permeability and waterproof performance. Through this composite technology, the shortcomings of the leather can be significantly improved, thereby improving the overall performance of the leather in many aspects.

[0003] However, under the influence of the softness of the leather, the heat pressing operation is prone to cause the accumulation of the leather. This accumulation can further cause wrinkles on the surface of the leather, and these wrinkles can be pressed into the surface of the leather during the heat pressing process, forming defects that are difficult to eliminate. These defects not only seriously affect the performance of the automotive interior leather, but also negatively affect the quality of the automotive interior leather. SUMMARY

[0004] The purpose of the present application is to solve the above-mentioned problems existing in the prior art, and to provide a manufacturing method of automotive interior leather.

[0005] To solve the above technical problems, one technical solution adopted by the present application is to provide a manufacturing method of automotive interior leather, comprising the following steps: S1, selecting leather: selecting leather with smooth surface and no folds; S2, compounding: compounding the leather and sponge through a compounding device to obtain a leather composite; S3, punching: processing the leather composite into a predetermined hole pattern using a laser automatic punching machine; S4, cutting: cutting the leather composite into the required shape using a cutting bed; S5, inspection: inspecting and bundling the finished automotive interior leather.

[0006] The compounding device comprises a lower pressing plate, a cloth mounting plate is fixedly connected to one side of the lower pressing plate, a motor is fixedly connected to the side of the lower pressing plate away from the cloth mounting plate, two rotating wheels are fixedly connected to the driving end of the motor, a steel wire is slidingly connected to the rotating wheels, sliding grooves are formed on both sides of the lower pressing plate, and a double-layer leather fixing device is slidingly connected in the sliding grooves.

[0007] The double-layer leather fixing device comprises a connecting plate, the connecting plate is fixedly connected with a steel wire on one side, two layers of first springs are fixedly connected to the side of the connecting plate away from the steel wire, an upper movable clamp is fixedly connected to the upper layer of the first springs away from the connecting plate, and a lower movable clamp is fixedly connected to the side of the lower layer of the first springs away from the connecting plate.

[0008] Through the technical scheme, the connecting plate and the first spring are arranged, the rotating wheel is driven to rotate and contract the steel wire through the motor, the connecting plate on one side of the steel wire is arranged, when the connecting plate pulls the spring, the two layers of leather are kept in a tight state through the first spring due to the different lengths of the two layers of leather, the leather surface is free of wrinkles, and wrinkles are avoided when the hot pressing is performed.

[0009] The moving handle is slidably connected to the sliding groove, the upper fixed clamp is slidably connected to the sliding groove away from the moving handle, the lower fixed clamp is fixedly connected to the lower end of the upper fixed clamp.

[0010] Through the technical scheme, the sliding groove is arranged to enable the connecting plate to slide on the lower pressing plate from the surface of the movable plate, the connecting plate or the plurality of fixed clamps cannot be kept in a horizontal state when the connecting plate or the plurality of fixed clamps are unbalanced, wrinkles are prone to occur, the moving handle is arranged to facilitate the staff to move the connecting plate, and the hand is prevented from being inserted into the lower side of the upper pressing plate, and a safety hazard is avoided.

[0011] The second spring is arranged in the inner side of the upper moving clamp, the lower moving clamp, the upper fixed clamp and the lower fixed clamp, the small pressing plate is slidably connected to the upper end of the second spring, the control clamp is slidably connected to the side, away from the small pressing plate, of the second spring, and the inner wall of the upper moving clamp, the lower moving clamp, the upper fixed clamp or the lower fixed clamp is rotatably connected to the middle of the control clamp.

[0012] Through the technical scheme, the second spring is arranged to facilitate the small pressing plate to automatically press down to fix the leather, the control clamp is arranged, the control clamp is rotated and moved to lift the upper side of the second spring, the small pressing plate is moved upward to open the fixed clamp, the lower pressing plate of each part is manually opened and moved upward, the leather is fixed or removed.

[0013] The supporting rod is fixedly connected to the side, away from the moving handle, of the lower pressing plate, the gas cylinder is fixedly connected to the upper end of the supporting rod, and the upper pressing plate is fixedly connected to the telescopic end of the gas cylinder.

[0014] Through the technical scheme, the gas cylinder and the upper pressing plate are arranged, the gas cylinder is fixed through the supporting rod, the upper pressing plate is lowered through the telescopic end of the working chamber of the gas cylinder, the leather above the movable plate is pressed, and the device is facilitated to realize the pressing of the leather.

[0015] The heating device is arranged in the upper pressing plate.

[0016] Through the technical scheme, the heating device is arranged, the upper pressing plate is heated, the fixed glue is continuously heated and melted through the high-temperature upper pressing plate, and the two layers of leather are glued.

[0017] The present invention is further configured such that a plurality of third springs are fixedly connected to the upper surface of the lower pressure plate, a movable plate is fixedly connected to the side of the third spring away from the lower pressure plate, and a plurality of supporting legs are fixedly connected to the lower surfaces of the lower pressure plate and the cloth loading plate.

[0018] Through the above technical solution, a third spring and a lower pressure plate are set. When the upper pressure plate is pressed down, it presses above the upper movable clamp and the connecting plate, and is lowered in combination with the spring to prevent the upper pressure plate from being unable to perform high-temperature gluing on the leather. When the movable plate is pressed down, the leather is further pulled to prevent wrinkles.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. This invention utilizes a connecting plate and a first spring. A motor drives a rotating wheel to rotate and contract a steel wire, which passes through the connecting plate on one side of the wire. When the connecting plate pulls the spring, the two layers of leather, due to their different lengths, pass through the first spring, keeping them taut. This prevents wrinkles on the leather surface and prevents wrinkles from forming during hot pressing.

[0021] 2. This invention provides a sliding groove to allow the connecting plate to slide along the surface of the movable plate on the lower pressure plate, preventing the connecting plate or multiple fixing clips from becoming unbalanced and unable to maintain the leather pulling level, which can easily lead to wrinkles. A movable handle is provided to facilitate employees' movement of the connecting plate and prevent hands from reaching under the upper pressure plate, which could pose a safety hazard.

[0022] 3. The present invention provides a third spring and a lower pressure plate. When the upper pressure plate is pressed down, the upper movable clamp and the connecting plate are pressed. Combined with the spring, the movable plate is lowered to prevent the upper pressure plate from contacting the leather, thereby performing high-temperature gluing on the leather. Moreover, when the movable plate is pressed down, the leather is further pulled to prevent wrinkles. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the present invention;

[0024] Figure 2 It is a partial cross-sectional view of the present invention;

[0025] Figure 3 It is a cross-sectional view of the lower pressing plate of the present invention.

[0026] In the figure: 1. Lower pressure plate; 2. Cloth loading plate; 3. Support rod; 4. Cylinder; 5. Motor; 6. Rotating wheel; 7. Steel wire; 8. Moving handle; 9. Upper pressure plate; 10. Upper movable clamp; 11. Connecting plate; 12. Lower movable clamp; 13. First spring; 14. Control clamp; 15. Second spring; 16. Small pressure plate; 17. Upper fixed clamp; 18. Lower fixed clamp; 19. Movable plate; 20. Third spring; 21. Support leg; 22. Slide groove. DETAILED DESCRIPTION

[0027] The technical solutions of the present application are further described below in combination with the drawings, but the present application is not limited to these embodiments.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , the method for manufacturing the automotive interior leather includes the following steps: S1, selecting leather: selecting leather with smooth surface and no creases; S2, compounding: compounding the leather and sponge through a compounding device to obtain a leather compound; S3, punching: processing the leather compound into a preset hole pattern using a laser automatic puncher; S4, cutting: cutting the leather compound into the required shape using a cutting bed; S5, inspection: inspecting and bundling the finished automotive interior leather.

[0029] The compounding device includes a lower pressing plate 1, a cloth mounting plate 2 fixedly connected to one side of the lower pressing plate 1, a supporting rod 3 fixedly connected to the side of the lower pressing plate 1 away from the moving handle 8, a gas cylinder 4 fixedly connected to the upper end of the supporting rod 3, an upper pressing plate 9 fixedly connected to the extension end of the gas cylinder 4, a heating device arranged inside the upper pressing plate 9, a plurality of third springs 20 fixedly connected to the upper surface of the lower pressing plate 1, a movable plate 19 fixedly connected to the side of the third spring 20 away from the lower pressing plate 1, a plurality of supporting legs 21 fixedly connected to the lower surfaces of the lower pressing plate 1 and the cloth mounting plate 2, a motor 5 fixedly connected to the side of the lower pressing plate 1 away from the cloth mounting plate 2, two rotating wheels 6 fixedly connected to the driving end of the motor 5, a steel wire 7 slidingly connected to the rotating wheels 6, and a double-layer leather fixing device slidingly connected in the sliding grooves 22 formed on both sides of the lower pressing plate 1.

[0030] The double-layer leather fixing device includes a connecting plate 11, the steel wire 7 fixedly connected to one side of the connecting plate 11, two layers of first springs 13 fixedly connected to the side of the connecting plate 11 away from the steel wire 7, an upper movable clamp 10 fixedly connected to the upper layer of first springs 13 away from the connecting plate 11, a lower movable clamp 12 fixedly connected to the side of the lower layer of first springs 13 away from the connecting plate 11, a moving handle 8 fixedly connected to one side of the connecting plate 11, the moving handle 8 slidingly connected to the sliding grooves 22, an upper fixed clamp 17 slidingly connected to the side of the sliding grooves 22 away from the moving handle 8, a lower fixed clamp 18 fixedly connected to the lower end of the upper fixed clamp 17, the second springs 15 arranged inside the upper movable clamp 10, the lower movable clamp 12, the upper fixed clamp 17, and the lower fixed clamp 18, a small pressing plate 16 slidingly connected to the upper end of the second springs 15, a control clamp 14 slidingly connected to the side of the second springs 15 away from the small pressing plate 16, and the inner walls of the upper movable clamp 10, the lower movable clamp 12, the upper fixed clamp 17, or the lower fixed clamp 18 rotatably connected to the middle part of the control clamp 14.

[0031] In use, the present application moves the connecting plate 11 to the cloth mounting plate 2 by moving the handle 8, and then moves the small pressing plate 16 in the lower moving clamp 12 by pressing the control clamp 14, to fix the leather on one side, and then fixes the two layers of leather in turn, and then keeps the two sides of the leather tight without wrinkles by rotating the steel wire 7 combined with the first spring 13 through the motor 5, and finally realizes the compounding of the automotive interior leather by starting the cylinder 4, lowering the movable plate 19 by the cylinder 4, and pressing the upper moving clamp 10 by the upper pressing plate 9.

[0032] The above components are all general standard components or components known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A method for producing automotive interior leather, characterized in that: The process includes the following steps: S1. Leather selection: Select leather with a smooth surface and no creases; S2. Lamination: Lamination of leather and sponge using a laminating device to obtain a leather composite; S3. Punching: Processing a preset hole pattern on the leather composite using a laser automatic punching machine; S4. Cutting: Cutting the leather composite into the desired shape using a cutting table; S5. Inspection: Inspecting and bundling the finished automotive interior leather. The composite device comprises a lower pressing plate (1), one side of the lower pressing plate (1) is fixedly connected to a cloth loading plate (2), the side of the lower pressing plate (1) away from the cloth loading plate (2) is fixedly connected to a motor (5), the driving end of the motor (5) is fixedly connected to two rotating wheels (6), the rotating wheels (6) are slidably connected to steel wires (7), and sliding grooves (22) are provided on both sides of the lower pressing plate (1), and a double-layer leather fixing device is slidably connected in the sliding grooves (22); The double-layer leather fixing device comprises a connecting plate (11), one side of the connecting plate (11) is fixedly connected to a steel wire (7), and the side of the connecting plate (11) away from the steel wire (7) is fixedly connected to two layers of first springs (13), the upper layer of the first spring (13) away from the connecting plate (11) is fixedly connected to an upper movable clamp (10), and the lower layer of the first spring (13) away from the connecting plate (11) is fixedly connected to a lower movable clamp (12); One side of the connecting plate (11) is fixedly connected to a movable handle (8), the movable handle (8) is slidably connected to a slide groove (22), the side of the slide groove (22) away from the movable handle (8) is slidably connected to an upper fixed clamp (17), and the lower end of the upper fixed clamp (17) is fixedly connected to a lower fixed clamp (18).

2. The method for producing automobile interior leather according to claim 1, characterized in that: A second spring (15) is provided on the inner side of the upper movable clamp (10), the lower movable clamp (12), the upper fixed clamp (17) and the lower fixed clamp (18); the upper end of the second spring (15) is slidably connected to a small pressure plate (16); the side of the second spring (15) away from the small pressure plate (16) is slidably connected to a control clamp (14); the middle part of the control clamp (14) is rotatably connected to the inner wall of the upper movable clamp (10), the lower movable clamp (12), the upper fixed clamp (17) or the lower fixed clamp (18).

3. The method for producing automobile interior leather according to claim 1, characterized in that: The lower pressing plate (1) is fixedly connected to a support rod (3) on the side away from the movable handle (8), the upper end of the support rod (3) is fixedly connected to a cylinder (4), and the telescopic end of the cylinder (4) is fixedly connected to an upper pressing plate (9).

4. The method for producing automobile interior leather according to claim 3, characterized in that: A heating device is provided inside the upper pressing plate (9).

5. The method for producing automobile interior leather according to claim 1, characterized in that: The upper surface of the lower pressing plate (1) is fixedly connected to a plurality of third springs (20), and the side of the third spring (20) away from the lower pressing plate (1) is fixedly connected to a movable plate (19). The lower surfaces of the lower pressing plate (1) and the cloth loading plate (2) are both fixedly connected to a plurality of supporting legs (21).

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