Shoe sole injection mold for shoemaking

Abstract

The utility model discloses a sole injection mold for shoemaking, which relates to the technical field of injection molds and comprises a base, the top of the base is fixedly connected with a lower mold, a liquid tank is arranged inside the base, a plurality of forming grooves are arranged at the top of the lower mold, a plurality of annular cavities are arranged inside the lower mold, and the annular cavities are communicated with the liquid tank. The multiple annular cavities and the multiple forming grooves are distributed in a one-to-one correspondence mode, the annular cavities surround the outer sides of the corresponding forming grooves, every two adjacent annular cavities communicate with each other through a first conveying groove, one annular cavity located at one end of the lower die communicates with a second conveying groove, and one annular cavity located at the other end of the lower die communicates with a liquid groove through a third conveying groove. A sliding groove is formed in the lower portion of the lower die and formed in the lower die, and a sliding rod is arranged between the forming groove and the sliding groove in a sliding and penetrating mode. According to the shoe sole injection mold for shoemaking, by arranging the structures such as the annular cavity, the top plate and the power assembly, rapid switching between cooling and jacking demolding can be achieved, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a sole injection mold for shoemaking. Background Art

[0002] An injection mold is a tool for producing plastic products. It is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. During injection molding, the heated and melted plastic is injected into the mold cavity under high pressure by an injection molding machine. After cooling and solidification, a molded product is obtained.

[0003] In actual use, the injection molds currently used for sole molding will stick to the inner wall of the mold after molding and be difficult to remove. Using tools to pry the edges of the soles can easily cause damage to the edges of the soles. In addition, the temperature of the injection mold will become higher and higher after long-term use, which will lead to slow sole molding speed and reduce the production efficiency of the soles.

[0004] Therefore, it is necessary to propose a shoe sole injection mold to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a sole injection mold for shoemaking, so as to solve the problem that the current injection mold for sole molding will stick to the inner wall of the mold after molding and is difficult to remove during actual use, and using tools to pry its edge will easily cause the edge of the sole to be damaged. In addition, the temperature of the injection mold will become higher and higher after long-term use, which will lead to slow sole molding speed and reduce the production efficiency of the sole.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shoe sole injection mold for making shoes, comprising a base, a lower mold fixedly connected to the top of the base, a liquid tank arranged inside the base, a plurality of molding grooves arranged on the top of the lower mold, a plurality of annular cavities arranged inside the lower mold, the plurality of annular cavities corresponding to the plurality of molding grooves, and the annular cavities surround the outer sides of the corresponding molding grooves, two adjacent annular cavities are connected through a first conveying groove, one of the annular cavities located at one end of the lower mold is connected with a second conveying groove, and one of the annular cavities located at the other end of the lower mold is connected with the liquid tank through a third conveying groove, a slide groove is arranged below the lower mold, the slide groove is opened inside the lower mold, a sliding rod is slidably penetrated between the molding groove and the slide groove, a top plate is slidably connected inside the molding groove, the top plate is fixedly connected to the sliding rod, a slide plate is slidably connected inside the slide groove, the slide plate is fixedly connected to the sliding rod, the bottoms of the plurality of slide grooves are connected through a square groove, the square groove is connected with the second conveying groove through a fifth conveying groove, and a power component for conveying liquid to the second conveying groove is arranged between the base and the lower mold.

[0007] Preferably, the power assembly includes a pump body, a fourth conveying groove and a sixth conveying groove, the pump body is fixedly connected to the base, the fourth conveying groove is opened inside the base, the sixth conveying groove is opened between the base and the lower mold, the liquid inlet end of the pump body is connected to the liquid groove through the fourth conveying groove, one end of the sixth conveying groove is connected to the square groove, the other end of the sixth conveying groove is connected to the fourth conveying groove, and the liquid outlet end of the pump body is connected to the second conveying groove.

[0008] Preferably, a third solenoid valve is fixedly installed inside the fifth conveying groove, and a first solenoid valve is fixedly installed inside the second conveying groove, and the first solenoid valve is located at one end of the second conveying groove close to the corresponding annular cavity.

[0009] Preferably, a fourth solenoid valve is fixedly installed inside the sixth conveying trough, a second solenoid valve is fixedly installed inside the fourth conveying trough, and the second solenoid valve is located at one end of the fourth conveying trough close to the liquid tank.

[0010] Preferably, an upper mold is arranged above the lower mold.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model can quickly switch between cooling and lifting and demoulding by setting structures such as an annular cavity, a top plate and a power component, thereby improving processing efficiency;

[0013] 2. The pump body delivers water to the inside of the annular cavity through the second delivery groove. When the water flows between multiple annular cavities, it will take away the heat on the forming groove, achieving the effect of cooling;

[0014] 3. The pump body delivers water to the inside of the square trough through the second conveying trough and the fifth conveying trough, so that the slide plate slides upward inside the slide trough, and drives the top plate to move upward through the slide rod, thereby ejecting the molded part to achieve the effect of lifting and demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the structure of the sole injection mold for shoemaking.

[0016] Figure 2 The utility model is a schematic cross-sectional structure diagram of a shoe sole injection mold for shoemaking.

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at point A in the middle.

[0018] In the figure: 1, base; 2, lower mold; 3, upper mold; 4, molding groove; 5, ring cavity; 6, first conveying groove; 7, second conveying groove; 8, first solenoid valve; 9, pump body; 10, third conveying groove; 11, fourth conveying groove; 12, second solenoid valve; 13, liquid groove; 14, slide groove; 15, top plate; 16, slide rod; 17, square groove; 18, fifth conveying groove; 19, third solenoid valve; 20, sixth conveying groove; 21, fourth solenoid valve; 22, slide plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figure 1 to Figure 3 The shoe sole injection mold shown in the figure comprises a base 1, a lower mold 2 is fixedly connected to the top of the base 1, and a plurality of molding grooves 4 are arranged on the top of the lower mold 2. An upper mold 3 is arranged above the lower mold 2, and the upper mold 3 is provided with an injection port that cooperates with the molding grooves 4. In addition, a lifting control device is also arranged on the base 1 to cooperate with the upper mold 3 to realize the up and down movement of the upper mold 3.

[0021] In order to reduce the temperature of the molding groove 4 and shorten the molding time, a liquid tank 13 is provided inside the base 1, and water is injected into the liquid tank 13. In addition, a cooling device can be provided inside the liquid tank 13 for cooperation. The cooling device includes a cooling plate and other structures, which can quickly cool the water. The cooling device is a common existing technology and will not be described here. A plurality of annular cavities 5 are provided inside the lower mold 2. The plurality of annular cavities 5 are distributed one by one with the plurality of molding grooves 4, and the annular cavities 5 surround the outer side of the corresponding molding groove 4. The two adjacent annular cavities 5 are connected by the first conveying groove 6. In the process of water flowing between the plurality of annular cavities 5, the heat on the molding groove 4 will be taken away, thereby achieving the effect of cooling.

[0022] One of the annular cavities 5 at one end of the lower mold 2 is connected to the second conveying groove 7, and one of the annular cavities 5 at the other end of the lower mold 2 is connected to the liquid tank 13 through the third conveying groove 10 (refer to Figure 2 ), water enters from the second conveying groove 7 and is discharged from the third conveying groove 10, ensuring that water can flow evenly among the multiple annular cavities 5.

[0023] In order to improve the demoulding efficiency, a slide groove 14 is provided below the lower mold 2, and the slide groove 14 is opened inside the lower mold 2. A slide rod 16 is slidably provided between the molding groove 4 and the slide groove 14. A top plate 15 is slidably connected inside the molding groove 4, and the top plate 15 is fixedly connected to the slide rod 16. A slide plate 22 is slidably connected inside the slide groove 14, and the slide plate 22 is fixedly connected to the slide rod 16. When the slide plate 22 slides upward inside the slide groove 14, it drives the top plate 15 to move upward through the slide rod 16, thereby ejecting the molded part.

[0024] In order to realize synchronous control of multiple slide plates 22, the bottoms of multiple chutes 14 are connected through square grooves 17, and the square grooves 17 are connected to the second conveying groove 7 through the fifth conveying groove 18. A third solenoid valve 19 is fixedly installed inside the fifth conveying groove 18, and a first solenoid valve 8 is fixedly installed inside the second conveying groove 7. The first solenoid valve 8 is located at one end of the second conveying groove 7 close to the corresponding annular cavity 5. When the first solenoid valve 8 is closed and the third solenoid valve 19 is opened, water can be supplied to the inside of the square groove 17; and when the first solenoid valve 8 is opened and the third solenoid valve 19 is closed, water can be supplied to the inside of the annular cavity 5 to realize the switching between cooling and demoulding.

[0025] A power assembly for conveying liquid to the second conveying groove 7 is arranged between the base 1 and the lower mold 2, and the power assembly includes a pump body 9, a fourth conveying groove 11 and a sixth conveying groove 20. The pump body 9 is fixedly connected to the base 1, the fourth conveying groove 11 is arranged inside the base 1, and the sixth conveying groove 20 is arranged between the base 1 and the lower mold 2. The liquid inlet end of the pump body 9 is connected to the liquid groove 13 through the fourth conveying groove 11, one end of the sixth conveying groove 20 is connected to the square groove 17, and the other end of the sixth conveying groove 20 is connected to the fourth conveying groove 11, and the liquid outlet end of the pump body 9 is connected to the second conveying groove 7.

[0026] A fourth solenoid valve 21 is fixedly installed inside the sixth conveying groove 20. A second solenoid valve 12 is fixedly installed inside the fourth conveying groove 11. The second solenoid valve 12 is located at one end of the fourth conveying groove 11 close to the liquid groove 13.

[0027] When cooling is required, the first solenoid valve 8 and the second solenoid valve 12 are opened, and the third solenoid valve 19 and the fourth solenoid valve 21 are closed. The pump body 9 delivers water to the inside of the annular cavity 5 through the second delivery groove 7. When the water flows between the multiple annular cavities 5, it will take away the heat on the forming groove 4, achieving the effect of cooling;

[0028] When demoulding is required, the first solenoid valve 8 and the fourth solenoid valve 21 are closed, the second solenoid valve 12 and the third solenoid valve 19 are opened, and the pump body 9 delivers water to the inside of the square groove 17 through the second conveying groove 7 and the fifth conveying groove 18, so that the slide plate 22 slides upward inside the slide groove 14, and drives the top plate 15 to move upward through the slide rod 16, thereby ejecting the molded part, achieving the effect of lifting and demoulding;

[0029] After the lifting is completed, the second solenoid valve 12 and the third solenoid valve 19 are closed, the fourth solenoid valve 21 and the first solenoid valve 8 are opened, and the pump body 9 sucks the water inside the square groove 17 through the fourth conveying groove 11 and the sixth conveying groove 20, so that the slide plate 22 slides downward inside the slide groove 14, the top plate 15 is reset, and then the third solenoid valve 19 is closed, and the sucked water will pass through the annular cavity 5 and the third conveying groove 10 and be discharged into the interior of the liquid tank 13.

Claims

1. A shoe sole injection mold for shoe manufacturing, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a lower mold (2), a liquid tank (13) is arranged inside the base (1), a plurality of molding grooves (4) are arranged on the top of the lower mold (2), a plurality of annular cavities (5) are opened inside the lower mold (2), the plurality of annular cavities (5) are distributed in a one-to-one correspondence with the plurality of molding grooves (4), and the annular cavities (5) surround the outer sides of the corresponding molding grooves (4), two adjacent annular cavities (5) are connected through a first conveying groove (6), one of the annular cavities (5) located at one end of the lower mold (2) is connected to a second conveying groove (7), one of the annular cavities (5) located at the other end of the lower mold (2) is connected to the liquid tank (13) through a third conveying groove (10), and a lower portion of the lower mold (2) is provided with a A slide groove (14) is arranged, the slide groove (14) is opened inside the lower mold (2), a slide rod (16) is slidably penetrated between the molding groove (4) and the slide groove (14), a top plate (15) is slidably connected inside the molding groove (4), the top plate (15) is fixedly connected to the slide rod (16), a slide plate (22) is slidably connected inside the slide groove (14), the slide plate (22) is fixedly connected to the slide rod (16), the bottoms of the plurality of slide grooves (14) are connected through square grooves (17), the square grooves (17) are connected to the second conveying groove (7) through a fifth conveying groove (18), and a power component for conveying liquid to the second conveying groove (7) is arranged between the base (1) and the lower mold (2).

2. The shoe sole injection mold for shoemaking according to claim 1, characterized in that: The power assembly comprises a pump body (9), a fourth conveying groove (11) and a sixth conveying groove (20); the pump body (9) is fixedly connected to the base (1); the fourth conveying groove (11) is arranged inside the base (1); the sixth conveying groove (20) is arranged between the base (1) and the lower mold (2); the liquid inlet end of the pump body (9) is connected to the liquid groove (13) through the fourth conveying groove (11); one end of the sixth conveying groove (20) is connected to the square groove (17); the other end of the sixth conveying groove (20) is connected to the fourth conveying groove (11); and the liquid outlet end of the pump body (9) is connected to the second conveying groove (7).

3. The shoe sole injection mold for shoemaking according to claim 2, characterized in that: A third solenoid valve (19) is fixedly installed inside the fifth conveying groove (18), and a first solenoid valve (8) is fixedly installed inside the second conveying groove (7). The first solenoid valve (8) is located at one end of the second conveying groove (7) close to the corresponding annular cavity (5).

4. The shoe sole injection mold for shoe manufacturing according to claim 3, characterized in that: A fourth solenoid valve (21) is fixedly installed inside the sixth conveying groove (20), and a second solenoid valve (12) is fixedly installed inside the fourth conveying groove (11). The second solenoid valve (12) is located at one end of the fourth conveying groove (11) close to the liquid groove (13).

5. The shoe sole injection mold for shoemaking according to claim 4, characterized in that: An upper mold (3) is arranged above the lower mold (2).

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