TWM621130U - Air bag mold and air bag press mold set containing the air bag mold - Google Patents

Abstract

The air bag mold of this creation is a component of the air bag compression module; the air bag mold is in the shape of a groove and forms an internal space. The air bag mold includes a first side and a second side that are positioned oppositely, as well as a middle section and a bending Section; the middle section and the bending section are located between the first side and the second side of the air bag mold, and the bending section extends and bends from the middle section toward the second side of the air bag mold, so that the inner space faces the bending section The second side of the air bag mold is tapered; the air bag mold of this creation will shape the heel area of the shoe upper, and the bending section of the air bag mold will also fold the upper and form it on the upper The upper part can be used to reduce the manufacturing process and time-consuming of the upper, and improve the production efficiency; the air bag mold of this creation can also be applied to the sock-type upper, and the heel area and bottom surface of the sock-type upper can be optimized and shaped And strengthen the bonding strength.

Description

Air bag mold and air bag press module containing the air bag mold

This creation is related to the manufacture of shoes, especially an air bag mold and an air bag compression module containing the air bag mold.

Shoes are mainly composed of sole and upper. In the manufacturing process of shoes, one of the important processes is to shape the upper. First, the upper is heated and activated to soften the upper, and then the shape of the upper is fixed and The upper cools down to shape the upper.

One of the shoe upper shaping devices is the air bag compression molding device of the shoe heel setting machine disclosed in the Republic of China Certificate No. M512320. The air bag compression molding device includes a pressure mold, an air bag sheet, six side pressure plates, and two The bottom plate and a fixing unit. The press mold is generally in the shape of an inverted U, and includes a concave downward recess and an air inlet and outlet hole. The air bag sheet covers the inner wall of the press mold and penetrates The fixing unit fixes the six-side pressing plate and the second bottom plate to the pressing mold, so that the six-side pressing plate, the second bottom plate and the pressing mold clamp the air bag sheet together; When the heel area of the shoe is shaped, the heel area of the shoe upper is inserted from the notch of the die, and then gas is injected from the air inlet and outlet holes, and the air bag sheet will be deformed by the air pressure , And tightly cover the heel area of the pressed shoe upper to achieve the effect of shaping.

However, since the air bag sheet is U-shaped in cooperation with the inner wall of the die, after the air bag die device is used to shape the heel area of the shoe upper, it is necessary to further use a sweeping device to Fold the upper and form an upper part at the bottom of the upper. The upper part is a small part of the material bent and extended from the bottom of the upper to connect the upper and the sole; After the heel of the shoe is shaped, it is necessary to use the sweeping device to form the lasting part, which results in more and more time-consuming steps in the manufacture of the upper, and the production efficiency is not fast enough. The applicant thought of this creation to solve this problem. Dilemma.

In order to solve the problem that the air bag sheet of the air bag compression molding device is U-shaped with the inner wall surface of the compression mold, after the air bag compression molding device shapes the heel area of the shoe upper, it needs to be further used. The knife device is used to fold the shoe upper to form the lasting part on the shoe upper to facilitate the connection between the shoe upper and the sole. This causes the problem of more and time-consuming shoe upper manufacturing processes and insufficient production efficiency. The purpose of this creation The utility model provides an air bag mold capable of shaping the shoe upper and simultaneously forming an upper part on the shoe upper and an air bag pressing module including the air bag mold.

The air bag mold proposed by this creation to solve the technical problem is in the shape of a groove and forms an internal space, and the air bag mold includes a first side and a second side opposite to each other, an opening, and a middle section. A bending section; the opening is provided at the bottom of the air bag mold and communicates with the internal space; the middle section and the bending section are located between the first side of the air bag mold and the second side of the air bag mold The bending section is extended and bent from the middle section of the air bag mold toward the second side of the air bag mold, so that the inner space is tapered toward the second side of the air bag mold in the bending section.

The air bag mold includes a U-shaped first section and a second section, the first section is set on the first side of the air bag mold, and the second section is set on the first side of the air bag mold. On both sides, the middle section connects the first section and the bent section, the bent section connects the middle section and the second section, the bent section is bent to form an inner arc surface, and the inner arc surface is a U The inner arc surface faces the first side of the air bag mold.

In the air bag mold, the cross-sectional area of the inner space in the first section of the air bag mold is larger than the cross-sectional area of the inner space in the middle section of the air bag mold, so that the center of the air bag mold The segment forms a ring surface on the side connecting the first segment of the air bag mold, the ring surface is U-shaped, surrounds the inner space and faces the first side of the air bag mold.

In the air bag mold, the inner space and the opening of the air bag mold gradually expand toward the bending section of the air bag mold at the middle section of the air bag mold close to the bending section of the air bag mold.

The air bag press module proposed in this creation to solve the technical problem includes the air bag die as described above. The air bag press module further includes an outer mold and a fixed set. The shape of the inner wall of the outer mold is The shape of the air bag mold corresponds to that, the air bag mold covers the inner wall surface of the outer mold, the fixing group is combined with the outer mold, and the air bag mold is clamped together with the outer mold.

In the air bag pressing module, the fixing group includes a first pressing plate, a second pressing plate and two bottom pressing plates, the first pressing plate and the second pressing plate are both U-shaped, and the first pressing plate is combined with The inner wall surface of the first section of the outer mold, the second pressing plate is coupled to the inner wall surface of the second section of the outer mold, and the two bottom pressing plates are coupled to the bottom of the outer mold.

The efficiency gains obtained by the technical means of this creation are: 1. The air bag mold of this creation, because the bending section of the air bag mold extends from the middle section and bends, the internal space is gradually reduced, and the air bag mold presses the heel area of the shoe upper At the same time, the bending section of the air bag mold will simultaneously fold the upper to form an upper part. Compared with the prior art, the air bag sheet of the air bag compression molding device is simply matched with the inner wall surface of the compression mold. U-shaped, after the air bag compression molding device has shaped the heel area of the shoe upper, it is necessary to further use a sweeping knife device to fold the shoe upper and form an upper part at the bottom of the shoe upper. The bag mold can shape the heel area of the shoe upper and at the same time form the lasting part on the shoe upper, thereby reducing the manufacturing process and time-consuming of the shoe upper and improving the production efficiency. 2. The air bag mold of this creation can also be applied to sock-type shoe uppers. When the air-bag mold presses the heel area of the sock-type shoe upper, the sock-type is strengthened through the bending section of the air bag mold The combined strength of the heel area of the shoe upper and the bottom surface of the sock-type upper is optimized and shaped for the heel area of the sock-type upper and the bottom surface of the sock-type upper.

In order to understand the technical features and practical effects of this creation in detail, and can be implemented according to the creation content, the preferred embodiment as shown in the figure is further used, and the detailed description is as follows:

As shown in Figures 1 and 2, the air bag pressing module of the preferred embodiment of the invention includes an outer mold 10, an air bag mold 20 and a fixing group 30, in which:

As shown in FIGS. 2 and 6, the outer mold 10 is in the shape of a groove and forms an accommodating space, and the outer mold 10 includes a first side and a second side opposite to each other, an opening 101, and a second side. A section 11, a second section 12, a middle section 13 and a bending section 14; the opening 101 is provided at the bottom of the outer mold 10 and communicates with the accommodating space; the first section 11 is provided on the outer mold 10, the second section 12 is set on the second side of the outer mold 10, the middle section 13 and the bending section 14 are located on the first side of the outer mold 10 and the second side of the outer mold 10 Between the sides, the middle section 13 connects the first section 11 and the bending section 14, and the bending section 14 connects the middle section 13 and the second section 12.

As shown in FIGS. 3 to 5, the air bag mold 20 is in the shape of a groove and forms an internal space S1, and the air bag mold 20 includes a first side and a second side opposite to each other, and an opening 201, A first section 21, a second section 22, a middle section 23, and a bending section 24; the opening 201 is provided at the bottom of the outer mold 20 and communicates with the internal space S1; the first section 21 is U-shaped And set on the first side of the air bag mold 20, the second section 22 is U-shaped and set on the second side of the air bag mold 20, the middle section 23 and the bending section 24 are located on the air bag mold 20 Between the first side of and the second side of the air bag mold 20, the middle section 23 connects the first section 21 and the bending section 24, and the bending section 24 connects the middle section 23 and the second section 22 , The bending section 24 extends from the middle section 23 toward the second side of the air bag mold 20 and is bent, so that the inner space S1 and the bending section 24 of the air bag mold 20 face the second side of the air bag mold 20 The two sections 22 are tapered, and the bending section 24 is bent to form an inner arc surface 241. The inner arc surface 241 is a U-shaped ring surface and is located between the bending section 24 of the air bag mold 20 and the air bag At the junction of the second section 22 of the mold 20, the inner arc surface 241 faces the first side of the air bag mold 20; in addition, as shown in FIG. The cross-sectional area of the first section 21 of the air bag mold 20 is larger than the cross-sectional area of the inner space S1 in the middle section 23 of the air bag mold 20, so that the middle section 23 forms a ring surface 231 on the side connecting the first section 21 , The annular surface 231 is U-shaped, surrounds the internal space S1 and faces the first side of the air bag mold 20; in addition, as shown in FIGS. 3 and 4, in the preferred embodiment, the internal space S1 and The opening 201 of the air bag mold 20 gradually expands toward the bending section 24 of the air bag mold 20 where the middle section 23 of the air bag mold 20 is close to the bending section 24 of the air bag mold 20.

As shown in Figure 3 in conjunction with Figures 6 and 7, the inner wall shapes of the first section 11, the second section 12, the middle section 13 and the bending section 14 of the outer mold 10 correspond to the first section of the air bag mold 20, respectively. The shape of the section 21, the second section 22, the middle section 23 and the bending section 24, the air bag mold 20 covers the inner wall surface of the outer mold 10 and the edge of the bottom of the outer mold 10, so that the air bag mold 20 Surrounding the outer mold 10 to form an inflatable space, and the outer mold 10 further includes an air inlet and outlet hole (not shown), which penetrates the outer mold 10 and communicates with the inflatable space and the outside of the air bag pressure module When you want to use this creation, you need to inject air from the air inlet and outlet to make the air bag mold 20 pressurized by air pressure. This is a conventional technical feature in the prior art, so I won’t repeat it here.

As shown in FIG. 2, the fixing set 30 includes a first pressing plate 31, a second pressing plate 32, and two bottom pressing plates 33. The first pressing plate 31 and the second pressing plate 32 are U-shaped, and the first pressing plate 31 is larger than The second pressing plate 32, as shown in FIGS. 1 and 2 in conjunction with FIG. 6, the first pressing plate 31 is coupled to the inner wall surface of the first section 11 of the outer mold 10, and the second pressing plate 32 is coupled to the outer mold 10 On the inner wall surface of the second section 12, the two bottom pressing plates 33 are coupled to the bottom of the outer mold 10 and are coupled to the edge of the opening 101 of the outer mold 10; as shown in FIG. 2, in this preferred embodiment , The first pressing plate 31, the second pressing plate 32, and the two bottom pressing plates 33 are provided with a plurality of through holes, and the air bag mold 20 and the outer mold 10 are also provided with a plurality of through holes at corresponding positions 2 and 7, the first pressing plate 31, the second pressing plate 32, and the two bottom pressing plates 33 of the fixing group 30 can be combined with the outer mold 10 by screw locking, and can be connected to the outer mold 10 jointly clamps the air bag mold 20 to ensure the airtightness of the air-filled space.

The air bag pressing module of the preferred embodiment of the present invention is used as a component of a shoe upper lasting and setting machine. As shown in FIG. 8, the shoe upper lasting setting machine includes the air bag pressing module and a Moving seat 70, a shoe last set 80; the shoe last set 80 includes a last head 81 and a back heel 82, the last head 81 and the back heel 82 can be relatively close to and away from the moving seat 70. The movable seat 70 can be driven to approach or move away from the air bag compression module, and insert the heel 82 of the shoe last set 80 into the internal space S1; in use, as shown in FIG. 9, the operator First put an unfinished upper 90 set on the shoe last set 80, and use the characteristics of the last head 81 and the heel 82 to be relatively close to and away from each other, so as to correspond to the shoe uppers of different sizes 90, and fix the upper 90. In FIG. 9, the upper 90 is formed by a piece of body, and the top and bottom of the upper 90 are both an opening; as shown in FIG. 10, the operator will then Drive the movable seat 70 close to the air bag compression module, so that the heel portion 82 is inserted into the internal space S1. At this time, the heel area of the shoe upper 90 is surrounded by the air bag mold 20; then the operator operates In the shoe upper last setting machine, gas is injected into the inflatable space from the inlet and outlet holes of the outer mold 10, and the inflatable mold 20 will be compressed by air pressure and clamped together with the heel 82 of the shoe last set 80 In the heel area of the shoe upper 90, since the bending section 24 of the air bag mold 20 extends from the middle section 23 of the air bag mold 20 and is bent, the internal space S1 is gradually reduced, the air bag mold When 20 and the heel 82 of the shoe last set 80 are pressed against the heel area of the shoe upper 90, the inner arc surface 241 of the bending section 24 of the air bag mold 20 will simultaneously squeeze the shoe upper 90 A small part of the material is crimped to slightly shield the opening at the bottom of the upper 90 to form an upper part; finally, after completing the above steps, the operator operates the upper lasting setting machine, from the outer mold 10 The air inlet and outlet holes suck out the air in the inflatable space, the air bag mold 20 returns to its original shape, and then drives the movable seat 70 away from the air bag pressure module, and removes the upper 90 from the shoe last set 80 .

In the air bag mold 20 of the present creation, since the bending section 24 of the air bag mold 20 extends from the middle section 23 of the air bag mold 20 and is bent, the internal space S1 is gradually reduced, and the air bag mold 20 is positioned opposite to the inner space S1. When the heel area of the shoe upper 90 is pressed together, the bending section 24 of the air bag mold 20 simultaneously presses the shoe upper 90 to form the upper part. Compared with the prior art, After the air bag compression molding device has shaped the heel area of the shoe upper, it is necessary to further use a sweeping device to fold the upper and form the upper part at the bottom of the upper. The air bag compression module of this creation The upper heel area of the shoe upper 90 can be shaped at the same time as the lasting part is formed on the shoe upper 90, thereby reducing the manufacturing process and time-consuming of the shoe upper and improving the production efficiency.

The air bag mold 20 of this creation can be used in addition to the upper 90 with openings at the bottom and top, and can also be used in waterproof shoes with an outer upper and an inner upper. The upper layer is pressed and shaped at the same time, and the upper layer is formed as an upper part; or it is used in a sock-type shoe upper. The difference between the sock-type shoe upper and the upper 90 is that the sock-type shoe The bottom of the upper is a bottom surface, which replaces the opening at the bottom of the upper 90, and the air bag mold 20 of the present creation can strengthen the combination of the heel area of the sock-like upper and the bottom surface of the sock-like upper Strength, the heel area of the sock-sleeve upper and the bottom surface of the sock-shoe upper are optimized and shaped.

When using this creation to press the uppers of high-height shoes, such as high-heeled shoes, long boots, over-the-knee boots, etc., the uppers of these shoes will start from the middle section of the airbag mold 20 23 extends through the first section 21 of the air bag mold 20, and in the preferred embodiment of this creation, the cross-sectional area of the internal space S1 in the first section 21 of the air bag mold 20 is larger than the internal space S1 In the cross-sectional area of the middle section 23 of the air bag mold 20, the middle section 23 of the air bag mold 20 forms the ring surface 231 on the side connecting the first section 21 of the air bag mold 20. When the cylinders are high When the uppers of taller shoes protrude from the middle section 23 of the air bag mold 20 and pass through the first section 21 of the air bag mold 20, they are less likely to contact the first pressure plate 31 to avoid the height of the cylinders. The upper of higher shoes is damaged due to the heat of the first pressing plate 31 during the shaping process.

In addition, in this preferred embodiment, the air bag compression module is used as a component of the shoe upper lasting setting machine, but in fact, the air bag compression module can be installed in any relevant shoemaking equipment, as long as the The air bag mold 20 includes the middle section 23 and the bending section 24, and the bending section 24 of the air bag mold 20 extends from the middle section 23 of the air bag mold 20 and is bent, so that the internal space S1 is gradually reduced, The air bag mold 20 can shape the heel area of the shoe upper while forming the upper part of the shoe upper together, which falls within the protection scope of this creation and is not subject to this preferred embodiment. Limited.

The above are only preferred embodiments of this creation, and do not impose any formal restrictions on this creation. Anyone with ordinary knowledge in the relevant technical field can use this creation without departing from the scope of the technical solution proposed by this creation. The equivalent embodiments that are partially changed or modified in the technical content disclosed by the creation, and do not deviate from the content of the technical solution of this creation, are still within the scope of the technical solution of this creation.

10: Outer mold 101: opening 11: First paragraph 12: Second paragraph 13: Middle section 14: bending section 20: Air bag mold 201: opening 21: First paragraph 22: second paragraph 23: middle section 231: Torus 24: bending section 241: Inner Curved Surface 30: fixed group 31: The first pressure plate 32: The second pressure plate 33: bottom pressure plate 70: mobile seat 80: shoe last group 81: Last Head 82: Heel 90: upper S1: Internal space

Figure 1 is a perspective view of the appearance of a preferred embodiment of the creation. Figure 2 is an exploded view of the components of the preferred embodiment of this creation. Fig. 3 is a top view of the air bag mold of the preferred embodiment of the creation. Fig. 4 is a bottom appearance view of the air bag mold of the preferred embodiment of this creation. Figure 5 is a side cross-sectional view of the air bag mold of the preferred embodiment of this creation. Figure 6 is a top view of the outer mold of the preferred embodiment of the creation. Fig. 7 is a cross-sectional view of a preferred embodiment of this creation. Fig. 8 is a schematic diagram of the application of the preferred embodiment of the present invention to a shoe upper last setting machine. Figure 9 is a cross-sectional view of the preferred embodiment of this creation applied to a shoe upper last setting machine in use. Fig. 10 is a cross-sectional view of another use state of the preferred embodiment of this creation applied to a shoe upper last setting machine.

10: Outer mold

20: Air bag mold

30: fixed group

31: The first pressure plate

32: The second pressure plate

33: bottom pressure plate

Claims (7)

An air bag mold, the air bag mold is in the shape of a groove and forms an internal space, and the air bag mold includes a first side and a second side opposite to each other, an opening, a middle section, and a bending section The opening is provided at the bottom of the air bag mold and communicates with the internal space; the middle section and the bent section are located between the first side of the air bag mold and the second side of the air bag mold; the bent section It extends from the middle section of the air bag mold toward the second side of the air bag mold and is bent, so that the inner space at the bent section gradually shrinks toward the second side of the air bag mold. The air bag mold according to claim 1, which includes a U-shaped first section and a second section, the first section is set on the first side of the air bag mold, and the second section is set on the air bag mold. On the second side of the bag mold, the middle section connects the first section and the bending section, the bending section connects the middle section and the second section, the bending section is bent to form an inner arc surface, the inner arc The surface is a U-shaped ring surface, and is located at the junction of the bending section and the second section, and the inner arc surface faces the first side of the air bag mold. The air bag mold according to claim 2, wherein the cross-sectional area of the inner space in the first section of the air bag mold is greater than the cross-sectional area of the inner space in the middle section of the air bag mold, so that the air The middle section of the bag mold forms a ring surface on the side connecting the first section of the air bag mold, the ring surface is U-shaped, surrounds the inner space and faces the first side of the air bag mold. The air bag mold according to any one of claims 1 to 3, wherein the inner space and the opening of the air bag mold face the air bag mold at the middle section of the air bag mold close to the bending section of the air bag mold The bending section of the air bag mold gradually expands. An air bag pressing module comprising the air bag mold according to any one of claims 1 to 3, the air bag pressing module further comprising an outer mold and a fixing group, and the shape of the inner wall of the outer mold Corresponding to the shape of the air bag mold, the air bag mold covers the inner wall surface of the outer mold, and the fixing group is combined with the outer mold and presses the air bag mold together with the outer mold. The air bag compression module according to claim 5, wherein the inner space and the opening of the air bag mold are facing the air bag mold at the middle section of the air bag mold close to the bending section of the air bag mold The bending section gradually expands. The air bag pressing module according to claim 6, wherein the fixing group includes a first pressing plate, a second pressing plate and two bottom pressing plates, the first pressing plate and the second pressing plate are both U-shaped, and the first pressing plate A pressure plate is coupled to the inner wall surface of the first section of the outer mold, the second pressure plate is coupled to the inner wall surface of the second section of the outer mold, and the two bottom pressure plates are coupled to the bottom of the outer mold.

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