WO2019218399A1 - Shoe forming device, method, and mold - Google Patents

Abstract

A shoe forming device, method, and mold. The mold comprises a combined outer mold and a forming inner mold. The combined outer mold comprises a sole outer mole (11), a shoe body outer mold (12), and a shoe top outer mold (13). The sole outer mole (11), the shoe body outer mold (12), and the shoe top outer mold (13) define a closed chamber. The combined outer mold is provided with a feeding channel (14) in communication with the chamber. The forming inner mold is disposed in the chamber, and the outer sidewall of the forming inner mold and the inner sidewall of the chamber are spaced to form a shoe forming space (30). The forming inner mold comprises a first inner mold (21) and a second inner mold (22). The first inner mold (21) is connected to the shoe top outer mold (13), and the outer diameter of the first inner mold (21) gradually decreases in the direction from the shoe top outer mold (13) to the sole outer mold (11). The second inner mold (22) is detachably disposed between the first inner mold (21) and the sole outer mold, and the outer diameter of the second inner mold (22) gradually increases in the direction from the shoe top outer mold (13) to the sole outer mold (11). The shoe forming mold can avoid damages to shoes caused by the press occurring during a mold opening operation.

Description

Shoe forming device, method and mould thereof Technical field

The invention relates to the technical field of shoe processing, and in particular to a shoe forming device, a method and a mold thereof.

Background technique

A conventional shoe forming apparatus includes an inner film and an outer mold adapted to the inner mold. A space is formed between the inner mold and the outer mold to form a shoe body molding space. After the rubber compound is injected into the shoe body molding space, the shoe body is obtained by performing mold opening and demolding operations. However, in the conventional shoe forming device, when the long shoe is produced, since the boot of the long shoe usually coincides with the calf, the diameter of the boot gradually decreases in the direction from the mouth to the sole of the shoe, in the shoe body. When the mold opening operation is performed, the shoe is easily crushed and damaged by the shoe forming device, and the product quality is low.

Summary of the invention

Based on this, it is necessary to overcome the deficiencies of the prior art, and to provide a shoe forming apparatus, method and mold thereof, which can avoid the problem of squeezing and damaging the shoe body during the mold opening operation.

The technical solution is as follows: a shoe molding die, comprising: a combined outer die, the combined outer die comprising a sole outer mold, a shoe outer mold and a top outer mold, wherein the sole outer mold is detachably disposed at Below the outer mold of the shoe body, the outer mold of the shoe body is detachably disposed under the outer mold of the shoe top, and the outer mold of the sole, the outer mold of the shoe body and the outer mold of the shoe top are enclosed and closed. a chamber, the combined outer mold is provided with a feed passage communicating with the chamber; and a molding inner mold, the forming inner mold is disposed inside the chamber, and the outer wall of the molded inner mold Intersecting with the sidewall of the chamber to form a shoe body molding space, the forming inner mold comprising a first inner mold and a second inner mold, the first inner mold being connected to the outer mold of the shoe top, The outer diameter of the first inner mold gradually becomes smaller in a direction from the outer mold of the shoe top to the outer mold of the sole, and the second inner mold is detachably disposed outside the first inner mold and the sole Between the dies, the outer diameter of the second inner mold gradually becomes larger in the direction from the outer mold of the shoe top to the outer mold of the sole.

A shoe shaping device, comprising the shoe molding die, further comprising: an injection molding machine, the injection molding machine comprising a rubber injection mechanism, the rubber injection mechanism for injecting a rubber into the And a heating mechanism for heating the combined outer mold.

A shoe forming method adopting the shoe forming device, comprising the following steps:

Firstly, the sole outer mold, the outer skin mold and the outer mold of the shoe are enclosed into a closed chamber, so that the forming inner mold is in the chamber and cooperates with the combined outer mold to form a shoe body molding space. ;

The pre-heated rubber is injected into the shoe body molding space through the feed channel through a rubber injection mechanism of the injection molding machine, and the combined outer mold is heated and heated by the heating mechanism;

After the shoe body in the shoe body molding space is thermally vulcanized, the outer mold of the sole is removed, and the first inner mold is kept stationary, and the outer mold of the shoe body and the second inner mold are combined with The shoe body is moved downward together to separate the shoe body from the first inner mold;

After the shoe body is separated from the first inner mold, the outer mold of the shoe body is kept stationary, and the second inner mold is driven to move downward together with the shoe body, so that the second inner mold is combined with the The shoe body is separated from the outer mold of the shoe body;

After the shoe body is separated from the outer mold of the shoe body, the shoe body is detached from the second inner mold.

In the above shoe forming device, method and mold thereof, after the rubber compound is injected into the shoe body forming space by heat injection and vulcanization to form the shoe body, the molded inner mold is divided into the detachable first inner mold and the second inner mold. In this way, the outer mold of the sole can be removed first, and the first inner mold is not moved, and the outer mold of the shoe body and the second inner mold are moved together with the shoe body to separate the shoe body from the first inner mold; The outer mold does not move, and continues to drive the second inner mold to move downward together with the shoe body, so that the second inner mold is separated from the shoe body and the outer mold of the shoe body; the shoe body is completely exposed after the shoe body is separated from the outer body of the shoe body. , the shoe body can be detached from the second inner mold. Thus, the outer diameter of the first inner mold gradually becomes smaller in the direction from the outer mold of the shoe top to the outer mold of the sole, so that the shoe body does not damage the shoe body during the downward disengagement with respect to the first inner mold, and likewise, The outer diameter of the two inner molds gradually becomes larger in the direction from the outer mold of the shoe top to the outer mold of the sole, so that the shoe body does not damage the shoe body during the process of being detached from the outer mold of the shoe body, that is, the mold can be avoided. Squeeze damage to the shoe body during operation. In addition, since the outer mold and the inner mold of the shoe body are separated from each other after the mold opening operation, the inner side wall of the outer mold of the shoe body can be easily cleaned.

Further, an outer sidewall of the first inner mold is adapted to fit an inner sidewall of the shoe of the shoe to be processed, and an outer sidewall of the second inner mold is used for the rest of the shoe to be processed The inner side walls are adapted.

Further, the second inner mold is provided with more than one air flow passage, and the air flow passage extends from a side of the second inner mold contacting the first inner mold to the second inner mold and the The side on which the outer mold of the sole is in contact; the one-way valve is disposed in the air flow passage.

Further, the first inner mold includes a body block and one or more inserts disposed outside the body block, the outer side walls of the insert being adapted to conform to the inner side wall of the shoe.

Further, the shoe forming device further includes a first driving mechanism, a second driving mechanism and a third driving mechanism; the upper mold and the first inner mold are respectively provided with a movable hole, the first a driving rod of the driving mechanism is connected to the second inner mold through the movable hole; a driving rod of the second driving mechanism is connected to the outer mold of the shoe body; a driving rod of the third driving mechanism and the The outer mold of the sole is connected.

Further, the driving rod of the first driving mechanism is detachably connected to the second inner mold.

Further, the shoe forming device further includes a partitioning plate, the shoe body molding space includes a sole molding space and a shoe body molding space; the partition plate is movably disposed on the shoe body outer mold and the sole The partitioning plate is used to isolate the sole forming space from the shoe body forming space.

Further, the shoe forming device further includes a fourth driving mechanism, the fourth driving mechanism is connected to the separating plate; and the separating plate is provided with a groove adapted to the bottom of the second inner mold .

DRAWINGS

1 is a schematic structural view of a shoe molding apparatus according to an embodiment of the present invention;

2 is a first schematic view showing the working state of the shoe molding apparatus according to an embodiment of the present invention;

3 is a second schematic view showing the working state of the shoe molding apparatus according to an embodiment of the present invention;

4 is a third schematic view showing the working state of the shoe molding apparatus according to an embodiment of the present invention.

Reference mark:

11, sole outer mold, 12, shoe outer mold, 13, shoe top outer mold, 14, feed channel, 21, first inner mold, 211, body block, 212, inserts, 213, movable holes, 22, a second inner mold, 30, a shoe body molding space, 41, a first driving mechanism, 42, a second driving mechanism, 43, a third driving mechanism, 44, a fourth driving mechanism, 50, a partition plate, 51, a groove, 60, pre-warm pipe.

Detailed ways

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims. Numerous specific details are set forth in the description below in order to provide a thorough understanding of the invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the invention, and thus the invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as "connecting" another element, it may be directly connected to the other element or the intermediate element may be present. In contrast, when an element is referred to as being "directly" connected to another element, there is no intermediate element.

In one embodiment, referring to Figures 1 and 2, a shoe forming mold includes a combined outer mold (11, 12, 13) and a molded inner mold (21, 22). The combined outer mold includes a sole outer mold 11, a shoe outer mold 12 and a shoe outer mold 13. The sole outer mold 11 is detachably disposed below the shoe outer mold 12, and the shoe outer mold 12 is detachably disposed below the shoe outer mold 13. The sole outer mold 11, the outer skin mold 12 and the upper outer mold 13 enclose a closed chamber. The combined outer mold is provided with a feed passage 14 in communication with the chamber. The molded inner mold is disposed inside the chamber, and the outer wall of the molded inner mold and the inner side wall of the chamber are spaced apart to form a shoe body molding space 30. The forming inner mold includes a first inner mold 21 and a second inner mold 22. The first inner mold 21 is connected to the upper outer mold 13, and the outer diameter of the first inner mold 21 is gradually reduced in the direction from the upper outer mold 13 to the outer sole mold 11. The second inner mold 22 is detachably disposed between the first inner mold 21 and the sole outer mold 11, and the outer diameter of the second inner mold 22 is at the upper outer mold 13 to the The direction of the sole outer mold 11 gradually becomes larger.

For the shoe molding die mentioned above, please refer to FIG. 3 and FIG. 4 together, after the rubber material is injected into the shoe body molding space 30 through the feed channel 14 to form a shoe body, the molded inner mold is divided into the first separable part. The inner mold 21 and the second inner mold 22, so that the outer sole mold 11 can be removed first, while the first inner mold 21 is not moved, and the outer shell mold 12 and the second inner mold 22 are moved downward together with the shoe body, so that The shoe body is separated from the first inner mold 21; then the outer mold 12 of the shoe body is not moved, and the second inner mold 22 is continuously driven to move downward together with the shoe body to separate the shoe body from the outer mold 12 of the shoe body; After the outer mold 12 of the shoe body is separated, the shoe body is completely exposed, and the shoe body can be detached from the second inner mold 22. Thus, the outer diameter of the first inner mold 21 gradually becomes smaller in the direction from the outer top mold 13 to the outer sole mold 11, so that the shoe body does not damage the shoe body during the downward movement of the shoe body relative to the first inner mold 21. Similarly, the outer diameter of the second inner mold 22 gradually becomes larger in the direction from the outer top mold 13 to the outer sole mold 11, so that the shoe body does not damage the shoe during the downward disengagement of the shoe body relative to the outer mold 12 of the shoe body. Body, that is, it can avoid the bad phenomenon that the shoe body is crushed and damaged during the mold opening operation. In addition, since the outer mold 12 and the inner mold of the shoe are separated from each other after the mold opening operation, the inner side wall of the outer mold 12 of the shoe body can be easily cleaned.

Wherein, the shoe to be processed comprises a sole, an upper and a shoe which are sequentially connected. The shaft usually simulates the design of the human calf structure such that the outer diameter of the barrel tapers in the direction from the mouth to the sole. Further, the outer side wall of the first inner mold 21 is adapted to fit the inner side wall of the shoe of the shoe to be processed, and the outer side wall of the second inner mold 22 is used for the rest of the shoe to be processed The inner side walls of the part are adapted. In this way, after the shoe body is finished, the boot can be separated from the first inner mold 21, and then the shoe body is separated from the outer mold 12 of the shoe body, thereby avoiding the outer casing of the outer casing when the mold opening operation is performed. Extrusion damage with the molded inner mold.

In one embodiment, the second inner mold 22 is provided with more than one air flow passage. The air flow passage extends from a side of the second inner mold 22 that is in contact with the first inner mold 21 to a side where the second inner mold 22 is in contact with the sole outer mold 11. A check valve is disposed in the air flow passage. In this way, before the shoe body is detached from the second inner mold 22, the air is blown into the shoe body from the air flow passage by the air blowing device, so that a gap is formed between the shoe body and the second inner mold 22, which is convenient for the first The shoe body on the inner mold 22 is detached. In addition, the one-way valve can prevent the rubber material from flowing into the air flow passage during the shooting process, resulting in blockage of the air flow passage.

Further, the first inner mold 21 includes a main body block 211 and one or more insert blocks 212 disposed outside the main body block 211. The outer sidewall of the insert 212 is adapted to conform to the inner sidewall of the boot. In this way, the shape of the adjustment block 212 is separately processed, so that the outer side wall of the insert 212 is adapted to the inner side wall of the shoe to realize the shape of the first inner mold 21 and the shape of the shoe, which is convenient for processing and can avoid material waste.

In one embodiment, referring to FIG. 1, a shoe forming apparatus includes the shoe forming mold, and further includes: an injection molding machine and a heating mechanism. The injection molding machine includes a glue injection mechanism. The glue injection mechanism is used to inject the glue into the feed channel 14. The heating mechanism is used to heat treat the combined outer mold.

The shoe forming device described above includes the shoe molding die, and thus has the same technical effects as the shoe molding die, and will not be described again.

Further, the shoe forming apparatus further includes a first driving mechanism 41, a second driving mechanism 42, and a third driving mechanism 43. The upper outer mold 13 and the first inner mold 21 are respectively provided with a movable hole 213, and the driving rod of the first driving mechanism 41 is connected to the second inner mold 22 through the movable hole 213. The driving rod of the second driving mechanism 42 is connected to the outer body mold 12 of the shoe body. The driving rod of the third driving mechanism 43 is connected to the sole outer mold 11. Specifically, the first driving mechanism 41, the second driving mechanism 42, and the third driving mechanism 43 may all be cylinder driving, cylinder driving, hydraulic cylinder driving or motor screw driving.

In this way, the second inner mold 22 is driven to move up and down by the first driving mechanism 41, the upper outer mold 12 is driven to move up and down by the second driving mechanism 42, and the outer mold 11 is driven up and down by the third driving mechanism 43 to be highly automated. .

Further, the driving rod of the first driving mechanism 41 is detachably connected to the second inner mold 22. In this way, when the shoe body is completely exposed after the shoe body is separated from the outer body mold 12, the second inner mold 22 can be detached, and then the shoe body on the second inner mold 22 is detached, and at the same time, the first drive can be The drive rod of the mechanism 41 is mounted with the spare second inner mold 22, and the spare second inner mold 22 is attached to continue the shoe body forming operation, so that the work efficiency is greatly improved.

In general, the compound used to make the body of the shoe is usually different from the material of the sole. Due to the needs of some functional footwear, the sole often needs to have better cushioning properties; and because of the aesthetic requirements, the color of the sole and the body often needs to be distinguished. Further, the shoe forming device further includes a spacer 50. The shoe body molding space 30 includes a sole molding space and a shoe body molding space. The insulation panel 50 is movably disposed between the shoe outer mold 12 and the sole outer mold 11, and the insulation panel 50 is for isolating the sole molding space from the shoe body molding space. In this way, the partitioning plate 50 can isolate the shoe body forming space and the sole forming space, and is convenient for manufacturing a shoe with different color materials of the shoe body and the sole. When the shoe body and the sole are made of the same material, the partitioning plate 50 can be withdrawn, so that the shoe body molding space 30 forms a connected overall space to inject the same shoe body rubber into the shoe body molding space 30 to make the shoe body. One-piece shoe with the same sole material.

In addition, if it is necessary to partition the shoe body and the sole respectively, the partition plate 50 may be placed between the shoe body forming space and the sole molding space to separately distinguish the shoe body forming space and the shoe forming space from the need. A number of color separation areas, which enable flexible injection molding of each color separation area to obtain a versatile and aesthetically pleasing shoe.

In order to enable the spacer 50 to be stably inserted and withdrawn to avoid affecting the quality of the product, the shoe forming apparatus further includes a fourth driving mechanism 44. The fourth drive mechanism 44 is coupled to the spacer 50. The partition plate 50 is driven by the fourth driving mechanism 44 to be withdrawn from between the shoe body molding space and the sole molding space, thereby merging the shoe body molding space with the shoe sole molding space.

In addition, due to the problem that the shape of the molded shoe body is irregular or the thickness is inconsistent during the injection molding process, the shape of the formed shoe body is not uniform, and when the molded shoe body is too thin, the site is easily damaged, resulting in product life. too short. Further, the partitioning plate 50 is provided with a groove 51 adapted to the bottom of the second inner mold 22. Thus, when the spacer 50 is in the isolated state, the spacer 50 is in contact with the molded inner mold, and the recess 51 on the spacer 50 is engaged with the molded inner mold, so that the formed inner mold can be clamped and fixed. To maintain the shape of the shoe body forming space.

Further, the shoe forming device further includes a bracket. The injection molding machine is disposed on the bracket. The heating mechanism includes an upper heating plate and/or a lower heating plate. The upper heating plate is connected to the upper outer mold 13, and the lower heating plate is connected to the sole outer mold 11. In this way, the upper mold is heated by heating by the upper heating plate and/or the lower heating plate to achieve the purpose of preheating, so as to facilitate the smooth progress of the subsequent processing steps. In addition, after the rubber compound is injected into the shoe body molding space 30, the molding die is heated by the upper heating plate and/or the lower heating plate for a predetermined time, for example, 10 minutes, so that the rubber in the shoe body molding space 30 can be heated. Vulcanized to obtain a shoe body.

Specifically, the glue injection mechanism communicates with the feed channel 14 through the preheating pipe 60. Thus, the rubber injection mechanism will inject the rubber into the shoe body molding space 30, and the rubber material is preheated by the preheating tube 60 so that the temperature of the rubber compound is at a preset temperature, for example, 30 ° C to 40 ° C. In this way, the rubber material can be ensured to be in a soft state, so that the rubber material is injected and filled into the shoe body molding space 30 to ensure the molding quality of the shoe body.

In another embodiment, the heating mechanism may also be a plurality of heating tubes embedded in the inside of the combined outer mold at a time interval, and heating the combined outer mold by controlling the heating tube can facilitate precise and rapid control of the combined type. The temperature of the outer mold can improve the molding efficiency and product quality of the shoe body.

In one embodiment, a shoe forming method using the shoe forming device includes the following steps:

Step S100, firstly, the sole outer mold 11, the outer skin mold 12 and the upper outer mold 13 are enclosed into a closed chamber, so that the forming inner mold is in the chamber and the combined outer mold. Cooperating to form a shoe body molding space 30;

Step S110, the pre-heated rubber is injected into the shoe body molding space 30 through the feeding channel 14 by the rubber injection mechanism of the injection molding machine, and the combined outer mold is heated by the heating mechanism. Heating treatment

Before the injection, it is first necessary to mix the raw rubber with the compounding agent in a rubber mixer to obtain the desired rubber. Specifically, the amount of glue required for each pair of finished shoes can be preset on the injection molding machine, and the injection molding machine can inject a certain amount of rubber in the injection molding process, thereby achieving cost saving.

In the glue injection step, the rubber compound is softened by heating in the rubber injection device before the glue injection operation. The heated rubber compound has better fluidity, so that the rubber material is more likely to fill every gap of the shoe body molding space 30 during the injection molding process, thereby avoiding the lack of glue of the finished product.

When the glue is injected, the shoe body rubber is extruded into the feed channel 14 through the feed screw in the rubber injection device, and the shoe body rubber is injected into the shoe body molding space 30 via the feed channel 14.

In general, the compound used to make the body of the shoe is usually different from the material of the sole. Due to the needs of some functional footwear, the sole often needs to have better cushioning properties; and because of the aesthetic requirements, the color of the sole and the body often needs to be distinguished.

The shoe body molding space and the sole molding space are separated by the partition plate 50, and different rubber materials can be separately injected into the shoe body molding space and the sole molding space to separate the shoe body from the shoe sole, so that the shoe has a large selection in the material selection. Kind of possibility.

Further, after the shoe body rubber is filled into the shoe body molding space, the fourth driving mechanism 44 drives the extraction of the separating plate 50, and then the shoe sole rubber is placed, thereby achieving the purpose of ensuring the quality of the finished product.

In addition, when the shoe body and the sole need to adopt different materials or colors, the sole rubber can manually insert the rubber into the sole molding space, and the sole rubber can be a tailored sole material after cutting.

When the shoe body and the sole can be made of the same material or color, after the shoe body rubber fills the shoe body molding space and the insulation plate 50 is withdrawn, the shoe body rubber is continuously pressurized and continuously filled, so that the shoe body rubber is filled throughout. The shoe body molding space 30, the shoe body rubber is solidified in the shoe body molding space 30 to form an integrated shoe body including a sole and a shoe body. The molded shoe body obtained by the method has the material of the shoe body and the shoe body as the shoe body molding compound.

Step S120, after the shoe body in the shoe body molding space 30 is heat-vulcanized, the shoe outer mold 11 is removed, and the first inner mold 21 is kept stationary, and the shoe outer mold 12 and the shoe body are removed. The second inner mold 22 moves downward together with the shoe body to separate the shoe body from the first inner mold 21;

Step S130, after the shoe body is separated from the first inner mold 21, the outer mold 12 of the shoe body is kept stationary, and the second inner mold 22 is driven to move downward together with the shoe body, so that the first The two inner molds 22 are separated from the shoe body outer mold 12 together with the shoe body;

Step S140: After the shoe body is separated from the shoe outer mold 12, the shoe body is detached from the second inner mold 22.

Specifically, the second inner mold 22 is provided with more than one air flow passage. The air flow passage extends from a side of the second inner mold 22 that is in contact with the first inner mold 21 to a side where the second inner mold 22 is in contact with the sole outer mold 11. A check valve is disposed in the air flow passage. In this way, before the shoe body is detached from the second inner mold 22, the air is blown into the shoe body from the air flow passage by the air blowing device, so that a gap is formed between the shoe body and the second inner mold 22, which is convenient for the first The shoe body on the inner mold 22 is detached. In addition, the one-way valve can prevent the rubber material from flowing into the air flow passage during the shooting process, resulting in blockage of the air flow passage.

In the shoe forming method described above, since the shoe forming device is employed, the technical effect is brought about by the shoe forming device, and the description thereof will not be repeated.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims (10)

A shoe molding die characterized by comprising: a combined outer mold comprising a sole outer mold, a shoe outer mold and a top outer mold, wherein the sole outer mold is detachably disposed under the outer skin mold, the outer skin mold Separably disposed under the outer mold of the shoe top, the outer mold of the sole, the outer mold of the shoe body and the outer mold of the shoe top enclose a closed chamber, and the combined outer mold is provided with a seat a feed channel in which the chambers are connected; and Forming an inner mold, the forming inner mold is disposed inside the chamber, and the outer wall of the forming inner mold is spaced apart from the inner side wall of the chamber to form a shoe body molding space, and the forming inner mold includes An inner mold and a second inner mold, wherein the first inner mold is connected to the outer mold of the shoe top, and an outer diameter of the first inner mold gradually increases in a direction from the outer mold of the shoe top to the outer mold of the sole Smaller, the second inner mold is detachably disposed between the first inner mold and the sole outer mold, and the outer diameter of the second inner mold is outside the outer mold of the shoe to the sole The direction of the mold gradually becomes larger. A shoe molding die according to claim 1, wherein an outer side wall of said first inner mold is adapted to fit an inner side wall of a shoe of a shoe to be processed, and an outer side wall of said second inner mold For adapting to the inner side wall of the rest of the shoe to be processed. The shoe molding die according to claim 1, wherein said second inner mold is provided with one or more air flow passages, and said air flow passage is in contact with said first inner mold from said second inner mold One side extends to a side of the second inner mold that is in contact with the outer mold of the sole; a check valve is disposed in the air flow passage. The shoe molding die according to any one of claims 1 to 3, wherein the first inner mold comprises a body block and one or more inserts disposed outside the body block, the outer side of the insert The wall is adapted to the inner side wall of the boot. A shoe molding apparatus, comprising the shoe molding die according to any one of claims 1 to 4, further comprising: An injection molding machine, the injection molding machine comprising a rubber injection mechanism, the rubber injection mechanism for injecting a rubber into the feed channel; A heating mechanism for heating the combined outer mold. The shoe molding apparatus according to claim 5, further comprising a first driving mechanism, a second driving mechanism and a third driving mechanism; wherein the upper outer mold and the first inner mold are provided with an activity a hole, the driving rod of the first driving mechanism is connected to the second inner mold through the movable hole; a driving rod of the second driving mechanism is connected to the outer mold of the shoe body; The driving rod of the third driving mechanism is connected to the outer mold of the sole. The shoe molding apparatus according to claim 6, wherein the driving lever of the first driving mechanism is detachably coupled to the second inner mold. The shoe molding apparatus according to any one of claims 5 to 7, further comprising a partitioning plate, the shoe body molding space including a sole molding space and a shoe body molding space; the partitioning plate is movably disposed The partitioning plate is used to isolate the sole forming space from the shoe body forming space between the shoe body outer mold and the sole outer mold. A shoe molding apparatus according to claim 8, further comprising a fourth driving mechanism, said fourth driving mechanism being coupled to said partitioning plate; said spacer plate being provided with said second inner mold The bottom is adapted to the groove. A shoe forming method, characterized in that the shoe forming device according to any one of claims 5 to 9 is used, comprising the steps of: Firstly, the sole outer mold, the outer skin mold and the outer mold of the shoe are enclosed into a closed chamber, so that the forming inner mold is in the chamber and cooperates with the combined outer mold to form a shoe body molding space. ; The pre-heated rubber is injected into the shoe body molding space through the feed channel through a rubber injection mechanism of the injection molding machine, and the combined outer mold is heated and heated by the heating mechanism; After the shoe body in the shoe body molding space is thermally vulcanized, the outer mold of the sole is removed, and the first inner mold is kept stationary, and the outer mold of the shoe body and the second inner mold are combined with The shoe body is moved downward together to separate the shoe body from the first inner mold; After the shoe body is separated from the first inner mold, the outer mold of the shoe body is kept stationary, and the second inner mold is driven to move downward together with the shoe body, so that the second inner mold is combined with the The shoe body is separated from the outer mold of the shoe body; After the shoe body is separated from the outer mold of the shoe body, the shoe body is detached from the second inner mold.

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