Light EVA (Ethylene Vinyl Acetate) sole processing jig

Abstract

The utility model discloses a light EVA sole processing jig which comprises an upper jig plate and a lower jig plate, machine table positioning holes are formed in the front faces of the upper jig plate and the lower jig plate, an upper positioning parting surface protruding towards the surface is arranged on the back face of the upper jig plate, and a lower positioning parting surface protruding towards the surface is arranged on the back face of the lower jig plate. The upper jig plate and the lower jig plate are both provided with through holes corresponding in position, when the EVA sheet is clamped by the upper jig plate and the lower jig plate, the EVA sheet is placed between the upper positioning parting face and the lower positioning parting face, and fasteners penetrate through the through holes to lock and fix the upper jig plate and the lower jig plate. An EVA sheet is processed into an EVA shoe sole primary blank in a shoe sole shape on a machine table in advance, then the EVA shoe sole primary blank is fixed between an upper jig plate and a lower jig plate, so that the machine table can process the peripheral side faces of the EVA shoe sole primary blank, the installation is firm, different lines can be processed on the side faces of the EVA shoe sole, and the use cost of the mold is reduced.

Description

Technical Field

[0001] The utility model relates to a shoe-making jig, in particular to a lightweight EVA sole processing jig. Background Art

[0002] In the traditional field of shoe production, shoes are mainly made of soles and uppers fixed together by bonding or stitching, so the soles are the main parts of the whole shoe. There are various materials used to make soles, including EVA soles, which have high resilience and tensile strength, high toughness, good shockproof and cushioning properties, and excellent heat preservation, cold resistance and low temperature performance. Since EVA soles are relatively soft and have good resilience, the existing EVA soles are mainly produced by hot pressing EVA materials in molds. Different molds are required for different sole patterns, which makes the mold cost high, thereby increasing the production cost of the enterprise. Utility Model Content

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a lightweight EVA sole processing jig, which can fix EVA sheets on equipment to be processed into soles.

[0004] The utility model is realized through the following technical scheme: a lightweight EVA sole processing jig, comprising an upper jig plate and a lower jig plate, the front surfaces of the upper jig plate and the lower jig plate are both provided with machine positioning holes fixed to the machine, the back surface of the upper jig plate is provided with an upper positioning parting surface protruding toward the surface, the back surface of the lower jig plate is provided with a lower positioning parting surface protruding toward the surface, the upper jig plate and the lower jig plate are both provided with through holes corresponding to the positions, when the upper jig plate and the lower jig plate clamp the EVA sheet, the EVA sheet is placed between the upper positioning parting surface and the lower positioning parting surface, and the upper jig plate and the lower jig plate are locked and fixed by fasteners passing through the through holes.

[0005] Preferably, the four sides of the upper jig plate and the lower jig plate of the utility model are provided with corresponding positioning posts, the positioning posts are provided in a convex manner, and the through holes are provided on the positioning posts.

[0006] Preferably, the positioning column of the utility model is a circular column.

[0007] Preferably, in the present invention, an upper limit platform arranged along the circumferential direction is formed between the upper positioning parting surface and the back side of the upper fixture plate, and a lower limit platform arranged along the circumferential direction is formed between the lower positioning parting surface and the back side of the lower fixture plate.

[0008] Preferably, after the upper fixture plate and the lower fixture plate of the utility model are assembled, an open cavity is formed between the upper limit platform and the lower limit platform.

[0009] Compared with the prior art, the utility model has the following advantages and beneficial effects: when the utility model is used, the EVA sheet is processed into an EVA sole blank in the shape of a sole on a machine in advance, and then the EVA sole blank is fixed between an upper jig plate and a lower jig plate, so that the machine can process the sides of the EVA sole blank. The utility model has the advantages of firm installation and the ability to process different patterns on the sides of the EVA sole, thereby reducing the cost of using the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is an exploded view of the utility model;

[0013] Among them: 1—upper fixture plate, 2—lower fixture plate, 3—machine positioning hole, 4—upper positioning parting surface, 5—lower positioning parting surface, 6—through hole, 8—positioning column, 9—upper limit platform, 10—lower limit platform, 11—opening cavity. DETAILED DESCRIPTION

[0014] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0015] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] like Figure 1 and Figure 2 As shown, the present embodiment is a lightweight EVA sole processing jig, comprising an upper jig plate 1 and a lower jig plate 2, the front surfaces of the upper jig plate 1 and the lower jig plate 2 are both provided with machine positioning holes 3 fixed to the machine, the back surface of the upper jig plate 1 is provided with an upper positioning parting surface 4 protruding toward the surface, the back surface of the lower jig plate 2 is provided with a lower positioning parting surface 5 protruding toward the surface, the upper jig plate 1 and the lower jig plate 2 are both provided with through holes 6 corresponding to the positions, when the upper jig plate 1 and the lower jig plate 2 clamp the EVA sheet, the EVA sheet is placed between the upper positioning parting surface 4 and the lower positioning parting surface 5, and the upper jig plate 1 and the lower jig plate 2 are locked and fixed by fasteners passing through the through holes 6.

[0018] In order to ensure that the upper jig plate 1 and the lower jig plate 2 are assembled firmly and stably and are not prone to loosening such as falling off, the utility model more specifically describes the structural features of the cooperation between the upper jig plate 1 and the lower jig plate 2 as follows: the four sides of the upper jig plate 1 and the lower jig plate 2 are provided with corresponding positioning columns 8, that is, the four sides of the upper jig plate 1 and the lower jig plate 2 are provided with the positioning columns, when the upper jig plate 1 and the lower jig plate 2 are assembled, the positioning columns 8 of the upper jig plate 1 match the positions of the positioning columns 8 of the lower jig plate 2, so that the fasteners can pass through the through holes 6 to lock and fix the upper jig plate 1 and the lower jig plate 2.

[0019] In addition, the positioning column 8 is convexly arranged, and the through hole 6 is arranged on the positioning column 8, wherein the positioning column 8 is a circular column, so that the overall structure is more compact.

[0020] In order to enable the jig to clamp the EVA sole blank so that the machine can process the side of the EVA sole, an upper limit platform 9 arranged along the circumferential direction is formed between the upper positioning parting surface 4 and the back of the upper jig plate 1, and a lower limit platform 10 arranged along the circumferential direction is formed between the lower positioning parting surface 5 and the back of the lower jig plate 2. When the upper jig plate 1 and the lower jig plate 2 are assembled, an open cavity 11 is formed between the upper limit platform 9 and the lower limit platform 10. The open cavity 11 is distributed around the upper jig plate 1 and the lower jig plate 2, so that the processing tool can be inserted into the open cavity 11 to process the side of the EVA sole blank.

[0021] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A lightweight EVA sole processing jig, characterized by: The invention comprises an upper jig plate (1) and a lower jig plate (2), wherein the front surfaces of the upper jig plate (1) and the lower jig plate (2) are both provided with machine positioning holes (3) fixed to a machine, the back surface of the upper jig plate (1) is provided with an upper positioning parting surface (4) protruding toward the surface, and the back surface of the lower jig plate (2) is provided with a lower positioning parting surface (5) protruding toward the surface, and the upper jig plate (1) and the lower jig plate (2) are both provided with through holes (6) corresponding to the positions, and when the upper jig plate (1) and the lower jig plate (2) clamp an EVA sheet, the EVA sheet is placed between the upper positioning parting surface (4) and the lower positioning parting surface (5), and a fastener is passed through the through hole (6) to lock and fix the upper jig plate (1) and the lower jig plate (2).

2. A lightweight EVA sole processing jig according to claim 1, characterized in that: The four sides of the upper jig plate (1) and the lower jig plate (2) are each provided with positioning posts (8) at corresponding positions, the positioning posts (8) being arranged in a convex manner, and the through holes (6) are provided on the positioning posts (8).

3. A lightweight EVA sole processing jig according to claim 2, characterized in that: The positioning column (8) is a circular column.

4. A lightweight EVA sole processing jig according to claim 2, characterized in that: An upper limit platform (9) arranged along the circumferential direction is formed between the upper positioning parting surface (4) and the back surface of the upper fixture plate (1), and a lower limit platform (10) arranged along the circumferential direction is formed between the lower positioning parting surface (5) and the back surface of the lower fixture plate (2).

5. A lightweight EVA sole processing jig according to claim 4, characterized in that: After the upper jig plate (1) and the lower jig plate (2) are assembled, an open cavity (11) is formed between the upper limit platform (9) and the lower limit platform (10).

Images