Method for cutting sheet for outer-convex decorative shoes

Abstract

A method for cutting a decorative leather shoe sheet with an outward convex shape includes the following steps: S1, fixing a processing pad on the inner side of the shoe sheet; S2, making the inner surface of the processing pad and the inner surface of the shoe sheet coplanar, so that the outer surface of the shoe sheet at the processing pad forms a cut outward convex shape; then, cutting the shoe sheet, removing a layer from the outer surface of the shoe sheet to form an upper leather layer, with the cutting plane being the outer side of the upper leather layer. Compared with the prior art, the technical effect of this invention is that it thins the area corresponding to the outward convex structure, reduces the amount of compression deformation during processing, is less prone to wrinkles, and maintains the aesthetics of the shoe.

Description

Technical Field

[0001] This invention relates to the field of shoe manufacturing equipment technology, specifically to a method for cutting sheet material for convex decorative leather shoes during the shoe manufacturing process. Background Technology

[0002] In existing leather shoes, for aesthetic purposes, there is an outward protruding structure on the upper. This outward protruding structure is integrally formed with the outermost layer of the upper (hereinafter referred to as the upper leather layer). During processing, a pad is set on the inner side of the upper leather layer, so that the upper leather layer in this area protrudes outward.

[0003] like Figure 1 During processing, the shoe sheet 10 is cut, with the cutting line shown in the attached figure as reference numeral 90. The shoe sheet 10 forms an upper leather layer, and the cutting plane is the outer side 11 of the upper leather layer. Then, a pad 91 is set on the inner side of the upper leather layer, so that the upper leather layer in this area protrudes outward to form an outward convex structure 12.

[0004] Technical problem: The convex structure, especially its adjacent area 13, is prone to compression, deformation and twisting during processing, forming wrinkles and affecting the aesthetic effect. Summary of the Invention

[0005] The technical problem to be solved by this invention is: how to design a sheet cutting method for convex decorative leather shoes to reduce wrinkles during the processing.

[0006] The specific technical solution of the present invention is as follows: A method for cutting sheet material for decorative leather shoes with protruding surfaces includes the following steps: S1. Fix a processing pad on the inside of the shoe sheet; S2. Make the inner surface of the processing pad and the inner surface of the shoe sheet on the same plane, and make the outer surface of the shoe sheet at the processing pad form a cutting protrusion; then, cut the shoe sheet, and a layer of the outer surface of the shoe sheet is removed to form the upper leather layer, and the cutting plane is the outer side of the upper leather layer. S3. Finally, remove the processing pad from the outer skin layer to create a concave structure in the area.

[0007] In step S2 above, a through-cutting machine is used for cutting.

[0008] In step S1 above, the shoe sheet is bonded and fixed to the processing pad.

[0009] In step S1 above, the shoe sheet and the processing pad are made of the same material.

[0010] In step S1 above, the edge of the processing pad is set as a slope.

[0011] Compared with the prior art, the technical effect of the present invention is that the area corresponding to the convex structure is thinned, the amount of extrusion deformation during processing is small, wrinkles are not easily generated, and the appearance of the shoe is maintained. Attached Figure Description

[0012] Figure 1 These are schematic diagrams of existing technologies, where Figure a is a diagram of cutting shoe sheet, Figure b is a diagram of forming the upper leather layer, and Figure c is a diagram of forming an outward convex structure.

[0013] Figure 2 Figure 1 is a schematic diagram of the use of the present invention, wherein Figure 2a is a diagram of the shoe sheet before cutting, Figure 3b is a diagram of the shoe sheet after cutting, Figure 4c is a diagram of the shoe sheet after cutting, and Figure 5b is a diagram of the formation of the upper leather layer.

[0014] Figure 3 This is a schematic diagram of the formation of an outwardly convex structure. Detailed Implementation

[0015] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0016] like Figure 2 A method for cutting sheet material for convex decorative leather shoes includes the following steps: S1, such as Figure 2 Figure a shows a processing pad 20 fixed on the inside of the shoe sheet 10; S2, such as Figure 2 Figures b-c show how the inner surface of the processing pad 20 and the inner surface of the shoe sheet 10 are made to be on the same plane, and how the outer surface of the shoe sheet 10 at the processing pad 20 forms a cut protrusion 14; then, the shoe sheet 10 is cut, with the cutting line shown in the figure reference numeral 90, and a layer is removed from the outer surface of the shoe sheet 10 to form an upper leather layer, with the cutting plane being the outer side 11 of the upper leather layer; S3, such as Figure 2 As shown in Figure d, the processing pad 20 of the skin layer is finally removed, so that the area forms a concave structure 15.

[0017] In step S2 above, a through-cutting machine is used for cutting.

[0018] In step S1 above, the shoe sheet 10 is bonded and fixed to the processing pad 20. For example, environmentally friendly adhesives or double-sided tape can be used for spot bonding or localized application to ensure that the processing pad does not shift during the sheeting process and is easy to separate or clean after processing.

[0019] In step S1 above, the shoe sheet 10 and the processing pad 20 are made of the same material.

[0020] In step S1 above, the edge of the processing pad 20 is set as a slope or thinned to prevent obvious break marks from appearing on the reverse side of the substrate after the sheet is passed through, and to ensure a smooth transition of the edge of the raised area.

[0021] Its working principle is as follows: like Figure 3 A pad 91 is set in the concave structure 15 of the outer skin layer, so that the outer skin layer in this area protrudes outward to form an outward convex structure 12, which is the final outward convex decoration.

[0022] For other details, please refer to the existing technology.

[0023] Features of this application: S1. Because of the convex and concave structure, the convex structure 12, especially its adjacent area 13, is relatively thin. During the processing, it is not easy to be squeezed, deformed, or twisted to form wrinkles, which increases the aesthetic effect.

[0024] S2. Breakthrough equipment limitations: It solves the technical problem that traditional peeling machines cannot slice the middle and through-slicing machines cannot slice local areas, and achieves local thinning by using a simple additive manufacturing approach.

[0025] S3. This invention is a special tool that can stably support the shoe last and allow it to rotate easily and precisely to assist in completing high-quality and efficient circumferential glue application.

[0026] S4. Significant effect: By thinning the material locally, the thinner areas are easier to stretch or deform during subsequent molding, thus creating a strong three-dimensional raised effect on the front, solving the problem of thick materials being difficult to shape.

[0027] S5. Low cost: The processing pad can be made from scraps in production, realizing the utilization of waste materials, and there is no need to purchase expensive new special equipment.

[0028] S6. Precision controllable: By controlling the thickness and shape of the processing pad, the position and height difference of the raised areas on the final product can be precisely controlled.

[0029] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be considered within the scope of protection of the present invention.

Claims

1. A method for cutting sheet material for outwardly convex decorative leather shoes, characterized in that: Includes the following steps: S1. Fix a processing pad (20) on the inside of the shoe sheet (10). S2. Make the inner surface of the processing pad (20) and the inner surface of the shoe sheet (10) on the same plane, and make the outer surface of the shoe sheet (10) at the processing pad (20) form a cut protrusion (14); then, cut the shoe sheet (10), and a layer of the outer surface of the shoe sheet (10) is removed to form the upper leather layer, and the cutting plane is the outer side surface (11) of the upper leather layer. S3. Finally, remove the processing pad (20) of the skin layer to form a concave structure (15) in the area.

2. The method for cutting sheet material for convex decorative leather shoes as described in claim 1, characterized in that: In step S2 above, a through-cutting machine is used for cutting.

3. The method for cutting sheet material for convex decorative leather shoes as described in claim 1, characterized in that: In step S1 above, the shoe sheet (10) is bonded and fixed to the processing pad (20).

4. The method for cutting sheet material for convex decorative leather shoes as described in claim 1, characterized in that: In step S1 above, the shoe sheet (10) and the processing pad (20) are made of the same material.

5. The method for cutting sheet material for convex decorative leather shoes as described in claim 1, characterized in that: In step S1 above, the edge of the processing pad (20) is set as a slope.

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