Injection mold for adsorbing thin film

Abstract

The utility model relates to the related field of molds, in particular to an injection mold for adsorbing a film, which comprises a base, a hanging hole, a female mold, a middle mold and a male mold. During use, cloth, a film or leather is fixed to the female die through the limiting nails on the female die, then the middle die is turned over to be matched with the female die and the cloth, the film or the leather to form a closed cavity, then negative pressure is formed in the cavity formed in the bottom in the die body through the vacuum valve arranged on the female die, the cloth, the film or the leather is subjected to adsorption forming through the negative pressure, and after adsorption forming, the cloth, the film or the leather is taken out. The male mold is embedded into the female mold and the middle mold, then molten powder or plastic raw materials are injected into a mold cavity and cloth, a film or leather through an injection molding opening in the male mold, and after cooling, the formed powder or plastic raw materials are fixedly attached to the cloth, the film or the leather; the problems that in the prior art, when cloth or a film or leather is hot-pressed in a product, secondary processing is needed, time and labor are wasted, the yield is not high, and economic benefits are not facilitated are solved.

Description

Technical Field

[0001] The utility model relates to the field of molds, in particular to an injection mold for an adsorption film. Background Art

[0002] Moulds refer to various molds and tools used in industrial production to obtain the required products by injection molding, blow molding, extrusion, die-casting or forging, smelting, stamping, stretching and other methods, including shoe-making moulds. Shoe-making moulds are one of the key tools for making shoes, which determine the shape, size and comfort of the shoes.

[0003] The problems with the prior art are as follows: the blowing mold under the prior art melts the raw material, blows it into the mold under high pressure, cools it and solidifies it, and finally opens the mold to take out the finished product, but secondary processing cannot be achieved through the existing mold. If materials such as cloth, film or leather need to be combined with the finished product, a second hot pressing process is required, and the degree of bonding is general, which increases the manufacturing cost and time, and the yield rate is not high, which is not conducive to economic benefits.

[0004] Therefore, we propose an injection mold for adsorption film to solve the above problems. Utility Model Content

[0005] The utility model provides an injection mold for an adsorption film to solve the technical problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an injection mold for an adsorption film, comprising a base, a mother mold, a middle mold and a male mold, wherein a hanging hole is arranged at the bottom of the front section of the base; the mother mold is arranged at the top of the base, and is rotatably connected to the middle mold on the outside, the mother mold and the middle mold are cooperated with the male mold to be installed, the mother mold comprises a mold body, a cavity is arranged at the bottom of the mold body, and a mold cavity is opened at the top of the mold body, a suction hole is arranged through the top of the mold cavity, the suction hole is connected to the cavity arranged at the bottom of the mold body, a vacuum valve is arranged through the bottom of the outer side of the mold body, and the vacuum valve is connected to the cavity arranged at the bottom of the mold body.

[0007] Preferably, an injection port is provided through one end of the male mold, the vacuum valve can be arranged on the outside of one end of the male mold and communicated with the inside of the male mold, the injection port can be arranged on the outside of one end of the female mold and communicated with the inside of the female mold, and the vacuum valve and the injection port are installed interchangeably to exchange the functions of the male mold and the female mold.

[0008] Preferably, sealing strips are provided on the inner side of the top of the mold body and on the wall of the mold cavity.

[0009] Preferably, a first positioning hole, a second positioning hole and a limiting pin are provided on the top of the mold body, the first positioning hole array is opened on the outer side of the top of the mold body, the second positioning holes are opened at the four corners of the top of the mold body, and the limiting pin is fixedly arranged on the inner side of the top of the mold body.

[0010] Preferably, a lock buckle is fixedly provided on the right side of the mold body.

[0011] Preferably, the middle mold is rotatably connected to the outside of the mother mold, the middle mold includes a plate mold, a rotating shaft is provided on the inner side of the plate mold, the plate mold is rotatably connected to the outside of the mother mold through the rotating shaft, sealing blocks are fixedly installed on both sides of the top of the plate mold, and a positioning cavity is provided through the middle of the top of the plate mold.

[0012] Preferably, the plate mold can be installed on the top of the mold body by rotating the shaft, wherein the sealing block is embedded in the mold cavity with the cooperation of the shaft and the plate mold, and at the same time, a sealed cavity is formed in the mold cavity with the cooperation of the sealing strip, the positioning cavity is connected with the cavity, and the suction hole is connected with the cavity.

[0013] Preferably, the four corners of the top of the plate mold are respectively provided with a first positioning column and a third positioning hole, and the first positioning column and the third positioning hole can be connected with the middle mold in cooperation with the plate mold and the rotating shaft, wherein the first positioning column is embedded in the first positioning hole, and the third positioning hole is embedded in the limiting nail.

[0014] Preferably, a buckle is provided on the left side of the plate mold, and the buckle can be fixedly connected with a lock buckle fixedly provided on the right side of the mold body when the plate mold and the rotating shaft rotate in cooperation.

[0015] Preferably, the male mold is detachably installed on the top of the female mold and the bottom of the middle mold, and the male mold includes a cover plate, an injection port, a second positioning column and a mold head. The injection port is arranged through the middle of the top of the cover plate, and the second positioning columns are arranged at the four corners of the bottom of the cover plate. The mold head is arranged in the middle of the bottom of the cover plate, and a mold hole is arranged through the middle of the top of the mold head, and the mold hole corresponds to the injection port arranged through the middle of the top of the cover plate.

[0016] Preferably, the second positioning column can be removably embedded in the second positioning hole, the cover plate can be installed on the bottom of the plate mold by embedding the second positioning column in the second positioning hole, and the mold head cooperates with the positioning cavity and is embedded in the sealed cavity formed by the sealing block and the sealing strip in the mold cavity, and the injection port and the mold hole are connected to the cavity.

[0017] Beneficial effects of the utility model:

[0018] The utility model is provided with a male mold, a female mold and a middle mold, wherein the middle mold is rotatably connected to the outer side of the female mold through a rotating shaft arranged thereon. When in use, the cloth, film or leather is fixed on the female mold through the limiting pins on the female mold, and then the middle mold is turned over to form a closed cavity with the female mold and the cloth, film or leather. Then, a negative pressure is formed in the cavity arranged at the bottom of the mold body through a vacuum valve arranged on the female mold, and then the negative pressure is transmitted to the closed cavity formed by the female mold and the cloth, film or leather through the suction hole, and the cloth, film or leather is adsorbed and formed by the negative pressure. After the adsorption and forming, the male mold is embedded in the female mold and the middle mold, and then the injection molding in the male mold is performed. The melted powder or plastic raw material is injected into the required mold cavity and the cloth, film or leather, and after cooling, the formed powder or plastic raw material will be fixedly bonded to the cloth, film or leather. The utility model can solve the problem that the cloth, film or leather is hot-pressed into the product under the prior art, which requires secondary processing, is time-consuming and labor-intensive, has a low yield rate and is not conducive to economic benefits. The product can be fixedly bonded with different cloth, film or leather, so that the color and texture of the product surface are richer, and the texture or color of the cloth, film or leather can be changed according to customization requirements to present the same effect on the product surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the mother mold and the middle mold of the utility model;

[0021] Figure 3 It is a schematic diagram of the mother mold of the utility model;

[0022] Figure 4 This utility model Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 It is a structural schematic diagram of the middle mold of the utility model;

[0024] Figure 6 This utility model Figure 5 The enlarged structural diagram at B in the middle;

[0025] Figure 7 It is a structural schematic diagram of the male mold of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the mold head of the utility model.

[0027] Among them: base-1, hanging hole-2, female mold-3, middle mold-4, male mold-5, mold body-31, mold cavity-32, blister hole-33, vacuum valve-34, sealing strip-35, first positioning hole-36, second positioning hole-37, limiting pin-38, lock buckle-39, plate mold-41, sealing block-42, first positioning column-43, third positioning hole-44, positioning cavity-45, rotating shaft-46, buckle-47, cover plate-51, injection port-52, second positioning column-53, mold head-54, mold hole-541. DETAILED DESCRIPTION

[0028] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0029] like Figure 1 , 2 As shown, the utility model provides an injection mold for an adsorption film, including a base 1, the base 1 is used for support and connection, and a hanging hole 2 is provided at the bottom of the front section of the base 1. Through the hanging hole 2, a mother mold 3 installed on the base 1 can be more easily lifted.

[0030] like Figure 2 , 3As shown in Figure 4, the utility model comprises a female mold 3, a middle mold 4 and a male mold 5, the middle mold 4 is rotatably installed on the female mold 3, and a cavity is formed with the cloth, film or leather and the female mold 3, and the cloth, film or leather is adsorbed and formed on the female mold 3 by negative pressure, and the melted powder or plastic raw material is injected into the mold cavity 32 and the cloth, film or leather through the male mold 5, and the cooled powder or plastic raw material will be formed with the cloth, film or leather, the female mold 3 is arranged on the top of the base 1, and the middle mold 4 is rotatably connected to the outside, the female mold 3 includes a mold body 31, the mold body 31 is used for supporting, installing and connecting, a cavity is arranged at the bottom of the mold body 31, and the cavity cooperates with the suction hole 33 to transfer the negative pressure to the cloth, film or leather, so that the cloth, film or leather is adsorbed and formed on the female mold 3, and a mold cavity 32 is opened on the top of the mold body 31, and the mold cavity 32 is used for installation and connection, and the cloth, film or leather can be adsorbed and formed through the mold cavity 32 in cooperation with the middle mold and the suction hole 33 Adsorption molding, through the mold cavity 32 cooperates with the male mold 5, the male mold 5 injects the melted powder or plastic raw material into the mold cavity 32 and the cloth, film or leather, and after waiting for cooling, the molded powder or plastic raw material will be fixedly attached to the cloth, film or leather, and the top of the mold cavity 32 is penetrated with a suction hole 33, and the suction hole 33 is used to transmit negative pressure to absorb the cloth, film or leather in the mold cavity 32 for molding, and the suction hole 33 is connected with the cavity set at the bottom of the mold body 31, and the outer bottom of the mold body 31 is penetrated with a vacuum valve 34, and the vacuum valve 34 is connected with the cavity set at the bottom of the mold body 31, and the vacuum valve 34 is used to connect a vacuum machine, and the generated vacuum will be transmitted to the suction hole 33 through the cavity set at the bottom of the mold body 31, and the negative pressure will be transmitted to the cavity formed by the middle mold 4, the cloth, film or leather and the mold cavity 32 through the suction hole 33, so that the cloth, film or leather is absorbed into the mold cavity 32 for molding;

[0031] It should be noted that when a breathable material such as cloth needs to be adsorbed, a layer of airtight film needs to be attached to the bottom so that the breathable material such as cloth can be adsorbed and formed by negative pressure;

[0032] Among them, a sealing strip 35 is arranged on the inner side of the top of the mold body 31 and the wall of the mold cavity 32. By arranging the sealing strip, the sealing performance can be increased so that when negative pressure is generated, the negative pressure will not leak, thereby achieving a better adsorption effect;

[0033] Among them, the top of the mold body 31 is provided with a first positioning hole 36, a second positioning hole 37 and a limiting pin 38. The first positioning hole 36 array is opened on the outer side of the top of the mold body 31. The first positioning hole 36 is used to cooperate with the first positioning column 43 on the middle mold 4, so that when the middle mold 4 is turned over and installed on the female mold 3, it has better matching accuracy and connection tightness. The second positioning holes 37 are opened at the four corners of the top of the mold body 31. The second positioning holes are used to cooperate with the installation of the male mold 5, so that the male mold 5 can be installed on the middle mold 4 turned over and fitted on the female mold 3. It is more tightly, and has better positioning accuracy. The limiting pin 38 is fixedly arranged on the inner side of the top of the mold body 31. The limiting pin 38 is used to fix the cloth, film or leather, so that it can be better formed under negative pressure;

[0034] Among them, a lock buckle 39 is fixedly provided on the right side of the mold body 31, and the lock buckle 39 is used to cooperate with the buckle 47 provided on the left side of the plate mold 41. The two cooperate with each other, so that the middle mold 4 is more firmly installed on the mother mold 3.

[0035] like Figure 5 , 6 As shown, the middle mold 4 of the utility model can be rotatably matched and connected to the outside of the female mold 3. The middle mold 4 is used to match the female mold 3 to fix the cloth, film or leather on the female mold 3, and at the same time, the mother mold 3 and the cloth, film or leather form a cavity. The mother mold 3 is connected to an external negative pressure machine to make the cloth, film or leather adsorbed and formed in the mold cavity 35 in the female mold 3. The middle mold 4 includes a plate mold 41, which is used for installation and connection. A rotating shaft 46 is provided on the inner side of the plate mold 41. The plate mold 41 can be rotatably matched and connected to the outside of the female mold 3 through the rotating shaft 46. Sealing blocks 42 are fixedly installed on both sides of the top of the plate mold 41. Through the sealing blocks 42, the sealing strips 35 installed on the female mold 3 can be matched to make the connection more tightly. A positioning cavity 45 is provided through the middle of the top of the plate mold 41. The positioning cavity 45 is used for injection molding, installation and reserved position for the male mold 5.

[0036] Among them, an injection port 52 is provided at one end of the male mold 5, and the vacuum valve 34 can be arranged on the outside of one end of the male mold 5 and communicated with the inside 5 of the male mold. The injection port 52 can be arranged on the outside of one end of the female mold 3 and communicated with the inside of the female mold 3. The vacuum valve 34 and the injection port 52 are installed interchangeably to exchange the functions of the male mold 5 and the female mold 3. By exchanging the functions of the two, the front and back sides of the cooled powder or plastic raw material can be bonded with cloth, film or leather for molding, which increases the practicality of the mold. After the exchange, the vacuum valve 34 will be connected to the mold head 54 in the male mold 5, and negative pressure will be transmitted through the mold hole 541 in the mold head 54 to absorb and mold the cloth, film or leather at the bottom of the mold head 54. The exchanged injection port 52 is connected to the suction molding hole 33, and the melted powder or plastic raw material is injected into the bottom of the mold head 54 through the suction molding hole 33, and is molded after cooling;

[0037] The plate mold 41 can be rotatably mounted on the top of the mold body 31 through the rotating shaft 46, wherein the sealing block 42 is embedded in the mold cavity 32 under the cooperation of the rotating shaft 46 and the plate mold 41, and at the same time cooperates with the sealing strip 35 to form a sealed cavity in the mold cavity 32, the positioning cavity 45 is connected to the cavity, and the blister hole 33 is connected to the cavity, and the blister hole 33 is connected to the cavity, and the blister hole 33 is connected to the cavity, and the negative pressure can be transmitted to the cloth, film or leather placed on the mold cavity 32, so that the cloth, film or leather is adsorbed and formed in the mold cavity 32;

[0038] The first positioning column 43 and the third positioning hole 44 are respectively provided at the four corners of the top of the plate mold 41. The first positioning column 43 and the third positioning hole 44 can be connected with the middle mold 4 in cooperation with the plate mold 41 and the rotating shaft 46. The first positioning column 43 is embedded in the first positioning hole 36, and the third positioning hole 44 is embedded in the limiting nail 38. The first positioning column 43 is embedded in the first positioning hole 36 to ensure the connection stability between the middle mold 4 and the mother mold 3. The third positioning hole 44 is embedded in the limiting nail 38 to limit the cloth, film or leather. At the same time, the third positioning hole 44 can reserve an installation position for the limiting nail 38;

[0039] Among them, a buckle 47 is set on the left side of the plate mold 41. The buckle 47 can be fixedly connected with the lock buckle 39 fixedly set on the right side of the mold body 31 under the rotation cooperation of the plate mold 41 and the rotating shaft 46, so that the connection between the middle mold 4 and the mother mold 3 can be more tightly connected.

[0040] like Figure 7 , 8 As shown, the utility model is provided with a male mold 5 detachably mounted on the top of the female mold 3 and the bottom of the middle mold 4. The male mold 5 is used for injection molding. The cloth, film or leather is formed by adsorption under the cooperation of the middle mold 4 and the female mold 3. The melted powder or plastic raw material is injected into the mold cavity 32 and the cloth, film or leather through the male mold 5. After cooling, the formed powder or plastic raw material will be fixedly fitted with the cloth, film or leather. The male mold 5 includes a cover plate 51, an injection port 52, a second positioning column 53 and a mold head 54. The injection port 52 is provided through the middle of the top of the cover plate 51. The cover plate 51 is used for installation and connection, and second positioning columns 53 are provided at the four corners of the bottom of the cover plate 51. The second positioning columns 53 are used to cooperate with The second positioning hole 37 on the female mold 3 allows the male mold 5 to be connected to the female mold 3. At the same time, the two positioning columns 53 also play a role in installation and positioning. The mold head 54 is set in the middle of the bottom of the cover plate 51. The mold head 54 is used for injection molding, and a mold hole 541 is set through the middle of the top of the mold head 54. The mold hole 541 corresponds to the injection port 52 set through the middle of the top of the cover plate 51. The melted powder or plastic raw material is injected into the mold head 54 through the injection port 52, and then injected into the mold cavity 32 and the cloth, film or leather through the mold hole 541 on the mold head 54. After cooling, the molded powder or plastic raw material will be fixedly fitted with the cloth, film or leather;

[0041] Among them, the second positioning column 53 can be removably embedded in the second positioning hole 37, and the cover plate 51 can be installed on the bottom of the plate mold 41 by embedding the second positioning column 53 in the second positioning hole 37, and the mold head 54 cooperates with the positioning cavity 45 and is embedded in the sealed cavity formed by the sealing block 42 and the sealing strip 35 in the mold cavity 32. The formed closed cavity can better mold the injected melted powder or plastic raw material, and the injection port 52 and the mold hole 541 are connected with the cavity. The connection between the two can allow the melted powder or plastic raw material to flow into the mold hole 541 through the injection port 52, and then be injected into the mold cavity 32 and the cloth, film or leather through the mold hole 541. After waiting for cooling, the molded powder or plastic raw material will be fixedly fitted with the cloth, film or leather.

[0042] Working principle:

[0043] The base 1 is used for installation and connection, and the suspension hole 2 is used to facilitate the staff to move the base 1, the mother mold 3 and the middle mold 4. When the product is produced, the cloth, film or leather is placed on the mother mold 3, and the cloth, film or leather is limited and fixed by the limit pins 38 on the mother mold 3, and then the middle mold 4 is reversed to further fix the cloth, film or leather, and form a closed cavity with the cloth, film or leather and the mother mold 3, and then the negative pressure machine is connected to the vacuum valve 34 installed on the mother mold 3, and the vacuum valve 34 cooperates with the suction hole 33 to form a negative pressure in the closed cavity, and the cloth, film or leather is adsorbed and formed on the mother mold 3, and then the male mold 5 is installed on the middle mold 4 and the mother mold 3, and locked, and the melted powder or plastic raw material is injected into the mother mold 3, and waits for cooling and forming. After taking out, the formed powder or plastic raw material will be fixed and fitted with the cloth, film or leather;

[0044] The mother mold 3 includes a mold body 31 and a mold cavity 32. The mold body 31 is used for installation, support and connection. The mold body 31 is provided with a cavity at the bottom thereof, and is communicated with a blister hole 33 provided at the bottom of the mold cavity 32. When the product is produced, the product is laid on the top of the mold body 31, and the cloth, film or leather is limited and fixed by the limiting pins 38. Then the middle mold 4 is turned over, and the middle mold 4 is positioned and installed through the first positioning holes 36 on the mother mold 3. The limiting pins 38 on the mother mold 3 will be inserted into the middle mold 4, and the middle mold 4 is connected more tightly through the sealing strip 35 to prevent the air pressure from leaking out, and at the same time, the locking buckle is used. 39 and buckle 47 cooperate to further tighten, the middle mold 4 and the cloth, film or leather, and the mother mold 3 form a closed cavity, then the negative pressure machine is connected to the vacuum valve 34, the negative pressure will be transmitted to the cavity set at the bottom of the mold body 31, and through the suction hole 33, the negative pressure will be transmitted to the mother mold 3 to form a closed cavity, the cloth, film or leather will be adsorbed and formed in the mold cavity 32 under the action of vacuum (negative pressure), after adsorption and forming, the male mold is embedded in the middle mold 4 and the mother mold 3, the melted powder or plastic raw material is injected into the mother mold 3, and after waiting for cooling and forming, the powder or plastic raw material will be fixed and fitted with the cloth, film or leather;

[0045] The middle mold 4 includes a plate mold 41 and a rotating shaft 46. When in use, the plate mold 41 is turned over to the top of the mother mold 3 through the rotating shaft 46, and the first positioning column 43 thereon is positioned and installed with the second positioning hole 37 on the mother mold 3. The limiting pin 38 on the mother mold 3 is inserted into the third positioning hole 44, and the sealing block 42 is embedded in the mold cavity 32, and cooperates with the sealing strip 35 to form a sealed cavity with the cloth, film or leather and the mold cavity 32. Then, the negative pressure machine is connected through the mother mold 3 to make the cloth, film or leather absorb and form. During injection molding, the male mold 5 is embedded in the positioning cavity 45 on the plate mold 41 and the mother mold 3, and the melted powder or plastic raw material is injected into the mother mold 3. After waiting for cooling and forming, the powder or plastic raw material will be fixed and fitted with the cloth, film or leather;

[0046] The male mold 5 includes a cover plate 51, which is used for installation, support, and connection. The male mold 5 is installed on the female mold 3 through the second positioning column 53 thereof cooperating with the second positioning hole 37 on the female mold 3, and the mold head 54 will be embedded in the positioning cavity 45 on the plate mold 41. When the cloth, film or leather is adsorbed and needs to be injected, the male mold 5 is installed on the female mold 3 and the middle mold, and the melted powder or plastic raw material is injected into the injection port 52. Then the melted powder or plastic raw material will flow into the mold head 54 and pass through the mold hole 541 in the mold head 54 to inject the powder or plastic raw material into the cloth, film or leather after adsorption. After cooling and molding, the powder or plastic raw material will be fixedly fitted with the cloth, film or leather.

[0047] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection mold for an adsorption film, comprising a base (1), wherein a hanging hole (2) is provided at the bottom of the front section of the base (1); Features: The invention also comprises a female mold (3), a middle mold (4) and a male mold (5), wherein the female mold (3) is arranged on the top of the base (1) and is rotatably connected to the middle mold (4) on the outside, and the male mold (5) is mounted in cooperation with the female mold (3) and the middle mold (4), and the female mold (3) and the middle mold (4) are mounted with the male mold (5), and the female mold (3) comprises a mold body (31), a cavity is arranged at the bottom of the mold body (31), and a mold cavity (32) is opened at the top of the mold body (31), a plastic suction hole (33) is arranged through the top of the mold cavity (32), and the plastic suction hole (33) is communicated with the cavity arranged at the bottom of the mold body (31), and a vacuum valve (34) is arranged through the bottom of the outside of the mold body (31), and the vacuum valve (34) is communicated with the cavity arranged at the bottom of the mold body (31).

2. The injection mold for an adsorption film according to claim 1, characterized in that: An injection port (52) is provided through one end of the male mold (5); the vacuum valve (34) can be arranged on the outside of one end of the male mold (5) and communicate with the inside of the male mold (5); the injection port (52) can be arranged on the outside of one end of the female mold (3) and communicate with the inside of the female mold (3); the vacuum valve (34) and the injection port (52) are installed interchangeably, so that the functions of the male mold (5) and the female mold (3) are exchanged.

3. The injection mold for an adsorption film according to claim 1, characterized in that: Sealing strips (35) are provided on the inner side of the top of the mold body (31) and on the wall of the mold cavity (32).

4. The injection mold for an adsorption film according to claim 3, characterized in that: The top of the mold body (31) is provided with a first positioning hole (36), a second positioning hole (37) and a limiting pin (38); the first positioning holes (36) are arranged in an array on the outside of the top of the mold body (31); the second positioning holes (37) are arranged at four corners of the top of the mold body (31); and the limiting pin (38) is fixedly arranged on the inside of the top of the mold body (31).

5. The injection mold for an adsorption film according to claim 4, characterized in that: A lock buckle (39) is fixedly provided on the right side of the mold body (31).

6. The injection mold for an adsorption film according to claim 1, characterized in that: The middle mold (4) is rotatably connected to the outside of the mother mold (3), the middle mold (4) comprises a plate mold (41), a rotating shaft (46) is arranged on the inside of the plate mold (41), the plate mold (41) is rotatably connected to the outside of the mother mold (3) via the rotating shaft (46), sealing blocks (42) are fixedly installed on both sides of the top of the plate mold (41), and a positioning cavity (45) is arranged through the middle of the top of the plate mold (41).

7. An injection mold for an adsorption film according to claim 6, characterized in that: The plate mold (41) can be rotatably mounted on the top of the mold body (31) via a rotating shaft (46), wherein the sealing block (42) is embedded in the mold cavity (32) in cooperation with the rotating shaft (46) and the plate mold (41), and simultaneously cooperates with the sealing strip (35) to form a sealed cavity in the mold cavity (32), the positioning cavity (45) is connected to the cavity, and the plastic suction hole (33) is connected to the cavity.

8. An injection mold for an adsorption film according to claim 7, characterized in that: The four corners of the top of the plate mold (41) are respectively provided with a first positioning column (43) and a third positioning hole (44); the first positioning column (43) and the third positioning hole (44) can be connected with the middle mold (4) in cooperation with the plate mold (41) and the rotating shaft (46); wherein the first positioning column (43) is embedded in the first positioning hole (36), and the third positioning hole (44) is embedded in the limiting pin (38).

9. An injection mold for an adsorption film according to claim 8, characterized in that: A buckle (47) is provided on the left side of the plate mold (41), and the buckle (47) can be fixedly connected to a lock buckle (39) fixedly provided on the right side of the mold body (31) when the plate mold (41) and the rotating shaft (46) are rotated together.

10. The injection mold of the adsorption film according to claim 1, characterized in that: A male mold (5) is detachably mounted on the top of the female mold (3) and the bottom of the middle mold (4); the male mold (5) comprises a cover plate (51), an injection port (52), a second positioning column (53) and a mold head (54); the injection port (52) is provided through the middle of the top of the cover plate (51), and the second positioning columns (53) are provided at the four corners of the bottom of the cover plate (51); the mold head (54) is arranged at the middle of the bottom of the cover plate (51), and a mold hole (541) is provided through the middle of the top of the mold head (54); the mold hole (541) corresponds to the injection port (52) provided through the middle of the top of the cover plate (51).

11. An injection mold for an adsorption film according to claim 10, characterized in that: The second positioning column (53) is detachably embedded in the second positioning hole (37), and the cover plate (51) can be installed on the bottom of the plate mold (41) by embedding the second positioning column (53) in the second positioning hole (37), and the mold head (54) cooperates with the positioning cavity (45) and is embedded in the sealed cavity formed by the sealing block (42) and the sealing strip (35) in the mold cavity (32), and the injection port (52) and the mold hole (541) are connected to the cavity.

Images