Sole EVA injection molding mechanism

Abstract

The utility model relates to the technical field of shoe sole processing, and discloses a shoe sole EVA injection molding mechanism which comprises a mold, a material conveying pipe and a material conveying end, the material conveying pipe is arranged on the inner wall of the mold, a forming template is arranged on the inner wall of the mold in a sliding mode, the material conveying end is arranged on the pipe wall of the material conveying pipe and extends to the inner wall of the mold, and the forming template is arranged on the inner wall of the mold. And a plurality of drainage holes are formed in the inner wall of the forming template. The spring provided by the utility model can push the inserting block to extend to the inner wall of the inserting groove, so that the forming template is stably arranged on the inner wall of the mold, and then the material conveying pipe conveys materials to the upper surface of the forming template through the material conveying end and the drainage hole, so that subsequent sole EVA injection molding processing is facilitated; the threaded rotating handle is rotated to rotate along the inner wall of the threaded ring so as to push the ejector block to move, push the insertion block to retract into the cavity and extrude the spring to be compressed, and the forming template can be conveniently pulled out subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to sole processing technical field especially relates to a sole EVA injection mechanism. BACKGROUND

[0002] EVA sole refers to the sole made of ethylene-vinyl acetate material, EVA is a kind of lightweight, soft and good elastic thermoplastic material, is widely used in shoemaking, EVA sole is common in sports shoes, leisure shoes, sandals and other various types of shoes, due to its excellent performance, EVA sole is widely welcomed in shoe market.

[0003] In prior art, in the process of sole EVA injection, the injection shape of different sole EVA materials is different according to design requirements, and the forming surface in the mold is generally integrally formed and is not convenient to replace and adjust flexibly according to use requirements. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of sole EVA injection mechanisms to solve the problem that in prior art, in the process of sole EVA injection, the injection shape of different sole EVA materials is different according to design requirements, and the forming surface in the mold is generally integrally formed and is not convenient to replace and adjust flexibly according to use requirements.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of sole EVA injection mechanism, including mould, feed pipe and feed end, the feed pipe is arranged on the inner wall of mould, the inner wall of mould is slidably provided with forming template, the feed end is arranged on the wall of feed pipe and extends to the inner wall of mould, the inner wall of forming template is provided with a plurality of drainage holes, the feed end is arranged in alignment with drainage hole, the inner wall of forming template is provided with cavity, the inner wall of forming template in cavity is provided with spring, the end of spring is provided with plug, the inner wall of mould is provided with slot, the plug is inserted in the inner wall of slot.

[0007] Preferably, the edge of the forming template is provided with a sealing rubber strip, the side wall of the sealing rubber strip is attached to the inner wall of the mold, the inner wall of the bottom end of the forming template is provided with a sealing ring, and the bottom of the sealing ring is tightly arranged on the upper surface of the feed end.

[0008] Preferably, the sidewall of the mold is provided with a fixing cylinder, the inner wall of the fixing cylinder is fixedly connected with a threaded ring, the inner wall of the threaded ring is threadedly connected with a threaded handle, one end of the threaded handle inside the fixing cylinder is provided with a top block, and the top block is arranged in alignment with the plug.

[0009] Preferably, the side wall of the mold is provided with a cylinder, the inner wall of the mold is provided with an arc-shaped sliding groove, a plurality of push blocks are slidably arranged on the inner wall of the arc-shaped sliding groove, one of the push blocks is fixedly connected with the piston rod of the cylinder, and the other push block is fixedly connected with a ejector rod.

[0010] Preferably, the two sides of the plurality of push blocks are respectively provided as arc surfaces.

[0011] Preferably, the side wall of the mold is fixedly connected with a protective sleeve, and the protective sleeve is sleeved outside the cylinder.

[0012] Compared with the prior art, the shoe sole EVA injection mechanism has the following beneficial effects:

[0013] 1. The shoe sole EVA injection mechanism can push the plug block to extend to the inner wall of the slot through the spring, so that the forming mold plate is stably arranged on the inner wall of the mold, then the material is conveyed to the upper surface of the forming mold plate through the material conveying end and the drainage hole of the material conveying pipe, and subsequent shoe sole EVA injection processing is facilitated. When the forming mold plate needs to be replaced, rotating the threaded handle along the inner wall of the threaded ring can push the ejector block to move, push the plug block to shrink into the cavity, and press the spring to compress, so that the forming mold plate can be easily pulled out.

[0014] 2. The shoe sole EVA injection mechanism can push the plurality of push blocks to move and slide along the inner wall of the arc-shaped sliding groove by moving the piston rod of the cylinder after the plug block shrinks into the cavity, and the plurality of push blocks can push the ejector rod to move, so that the ejector rod moves upwards and the forming mold plate moves out to the outside of the mold. Different specifications of the forming mold plate can be replaced, and the flexibility of the shoe sole EVA injection can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of shoe sole EVA injection mechanism structure schematic view;

[0016] Figure 2 For Figure 1 The structure of partial A part in middle is enlarged schematic view;

[0017] Figure 3 For Figure 1 The structure of push block in middle is stereogram.

[0018] In the drawing: 1 mold, 2 material conveying pipe, 3 material conveying end, 4 forming mold plate, 5 sealing rubber strip, 6 sealing ring, 7 spring, 8 plug block, 9 fixed cylinder, 10 threaded ring, 11 threaded handle, 12 ejector block, 13 protective sleeve, 14 cylinder, 15 push block, 16 ejector rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figures 1-3 The shoe sole EVA injection mechanism comprises a mold 1, a material conveying pipe 2 and a material conveying end head 3. The material conveying pipe 2 is arranged on the inner wall of the mold 1. The inner wall of the mold 1 is slidably provided with a forming template 4. The material conveying end head 3 is arranged on the pipe wall of the material conveying pipe 2 and extends to the inner wall of the mold 1. The inner wall of the forming template 4 is provided with a plurality of drainage holes. The material conveying end head 3 is arranged in alignment with the drainage holes. The inner wall of the forming template 4 is provided with a cavity. The inner wall of the forming template 4 located in the cavity is provided with a spring 7. The end of the spring 7 is provided with an insertion block 8. The inner wall of the mold 1 is provided with an insertion slot. The insertion block 8 is insertedly arranged in the inner wall of the insertion slot.

[0021] The edge of the forming template 4 is provided with a sealing rubber strip 5. The side wall of the sealing rubber strip 5 is attached to the inner wall of the mold 1. The bottom end inner wall of the forming template 4 located in the drainage hole is provided with a sealing ring 6. The bottom of the sealing ring 6 is tightly arranged on the upper surface of the material conveying end head 3. The sidewall of the mold 1 is provided with a fixing cylinder 9. The inner wall of the fixing cylinder 9 is fixedly connected with a threaded ring 10. The inner wall of the threaded ring 10 is threadedly connected with a threaded handle 11. The end of the threaded handle 11 located in the inside of the fixing cylinder 9 is provided with a top block 12. The top block 12 is arranged in alignment with the insertion block 8.

[0022] In use, after the forming template 4 extends to the top end inner wall of the mold 1, the spring 7 can push the insertion block 8 to extend to the inner wall of the insertion slot, so that the forming template 4 can be stably arranged on the inner wall of the mold 1. Then the material conveying pipe 2 can convey the material to the upper surface of the forming template 4 through the material conveying end head 3 and the drainage hole, so as to facilitate subsequent shoe sole EVA injection processing. When the forming template 4 needs to be replaced subsequently, rotating the threaded handle 11 along the inner wall of the threaded ring 10 can push the top block 12 to move, so as to push the insertion block 8 to shrink into the inside of the cavity and press and compress the spring 7, thereby facilitating the subsequent extraction of the forming template 4.

[0023] In order to facilitate the replacement of different specifications of the forming template 4, such as Figures 1-3As shown, the side wall of the mold 1 is provided with a cylinder 14, the inner wall of the mold 1 is provided with an arc-shaped sliding groove, a plurality of push blocks 15 are slidingly arranged on the inner wall of the arc-shaped sliding groove, the plurality of push blocks 15 are hingedly arranged, one of the push blocks 15 is fixedly connected with a piston rod of the cylinder 14, another push block 15 is fixedly connected with a ejector rod 16, one end of the ejector rod 16 away from the push block 15 is tightly arranged on the lower surface of the forming template 4, the two sides of the plurality of push blocks 15 are respectively provided with arc surfaces, the side wall of the mold 1 is fixedly connected with a protective sleeve 13, and the protective sleeve 13 is arranged on the outer side of the cylinder 14.

[0024] After the plug 8 is retracted into the inside of the cavity, the piston rod of the cylinder 14 can move to push the plurality of push blocks 15 to move and slide along the inner wall of the arc-shaped sliding groove, the plurality of push blocks 15 can push the ejector rod 16 to move, the ejector rod 16 moves upward, and the forming template 4 can be moved out to the outside of the mold 1, so that different specifications of the forming template 4 can be replaced, and the flexibility of the sole EVA injection molding can be improved.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A shoe sole EVA injection mechanism, comprising a mold (1), a conveying pipe (2) and a conveying end head (3), characterized in that: The feeding pipe (2) is arranged on the inner wall of the mold (1), the inner wall of the mold (1) is slidably provided with a forming template (4), the feeding end (3) is arranged on the pipe wall of the feeding pipe (2) and extends to the inner wall of the mold (1), the inner wall of the forming template (4) is provided with a plurality of drainage holes, the feeding end (3) is arranged in alignment with the drainage hole, the inner wall of the cavity of the forming template (4) is provided with a spring (7), the end of the spring (7) is provided with an insertion block (8), the inner wall of the mold (1) is provided with an insertion slot, and the insertion block (8) is inserted and arranged in the inner wall of the insertion slot.

2. The shoe sole EVA injection mechanism according to claim 1, characterized in that: The edge of the forming template (4) is provided with a sealing rubber strip (5), the side wall of the sealing rubber strip (5) is arranged in abutment on the inner wall of the mold (1), the bottom end of the inner wall of the forming template (4) is provided with a sealing ring (6), and the bottom of the sealing ring (6) is arranged in abutment on the upper surface of the feeding end (3).

3. The shoe sole EVA injection molding mechanism according to claim 1, characterized in that: The side wall of the mold (1) is provided with a fixing cylinder (9), the inner wall of the fixing cylinder (9) is fixedly connected with a threaded ring (10), the inner wall of the threaded ring (10) is threadedly connected with a threaded handle (11), one end of the threaded handle (11) located in the fixing cylinder (9) is provided with a top block (12), and the top block (12) is arranged in alignment with the insertion block (8).

4. The shoe sole EVA injection molding mechanism according to claim 1, characterized in that: The side wall of the mold (1) is provided with a gas cylinder (14), the inner wall of the mold (1) is provided with an arc-shaped sliding groove, and the inner wall of the arc-shaped sliding groove of the mold (1) is slidably provided with a plurality of push blocks (15). The plurality of push blocks (15) are hingedly arranged, one of the push blocks (15) is fixedly connected with a piston rod of the gas cylinder (14), and the other push block (15) is fixedly connected with a jacking rod (16), and one end of the jacking rod (16) away from the push block (15) is arranged in abutment on the lower surface of the forming template (4).

5. The shoe sole EVA injection molding mechanism according to claim 4, characterized in that: The two sides of the plurality of push blocks (15) are respectively arranged as arc surfaces.

6. The shoe sole EVA injection molding mechanism according to claim 1, characterized in that: The side wall of the mold (1) is fixedly connected with a protective sleeve (13), and the protective sleeve (13) is arranged on the outer side of the gas cylinder (14).

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