Automatic demolding structure of heat dissipation composite film material mold

Abstract

The utility model discloses an automatic demolding structure of a heat dissipation composite membrane material mold, which belongs to the technical field of composite membrane demolding, and comprises an injection molding platform, the left side of the top of the injection molding platform is movably connected with an injection molding bin, and the inner side of the injection molding bin is movably connected with a mold body; self-service demolding buffer mechanisms are movably connected to the inner sides of the injection molding bin and the left side mold body correspondingly, and an auxiliary demolding mechanism is movably connected to the top of the injection molding bin and can contract step by step when making contact with a workpiece, so that the demolding pressure is dispersed; meanwhile, spring buffering is combined, the influence of pressure on the workpiece is further reduced, the integrity of the workpiece during injection molding demolding of the heat dissipation composite film material is comprehensively guaranteed, stepped buffering demolding is achieved through cooperative operation of a first electric telescopic platform on the left side and a stepped telescopic push rod, and damage caused by direct demolding is effectively avoided; and when the demolding force is insufficient, the second electric telescopic platform can be started to assist demolding, and mold clamping is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite film demoulding technical field, especially a kind of automatic demolding structure of heat dissipation composite film material mold. BACKGROUND

[0002] With the rapid development of electronic, automobile and other industries, the application of heat dissipation composite film material is more and more extensive, electronic equipment is constantly miniaturized and high-performance, and the heat generated needs to be solved by efficient heat dissipation material, so the demand for heat dissipation composite film material increases greatly, but the drawbacks of traditional manual demolding and simple mechanical auxiliary demolding are obvious, the former is low in efficiency, unstable in quality and easy to damage products, the latter is poor in universality and easy to cause deformation of film material, therefore, it is necessary to develop automatic demolding technology for heat dissipation composite film material mold to meet the needs of improving production efficiency and product quality.

[0003] In the prior art, when the hand takes out the product sealed with film, the time of the finger touching the pressure ring becomes relatively long, and it is not easy to dig out the product inside, although the heated pressure ring will not burn the finger, but the finger will still feel uncomfortable after cumulative touch, therefore, it is necessary to develop a film sealing machine which can facilitate the taking out of the film-sealed product;

[0004] In view of the above problems, the existing patent (publication number: CN214058110U) proposes an automatic demolding structure of heat dissipation composite film material mold, the cavity bottom in the pressure seat for placing the column is open; the base plate is provided with a push-pull cylinder on one side of the sliding plate, the output end of the push-pull cylinder is fixedly connected with the sliding plate; the driving direction of the push-pull cylinder to the sliding plate is the same as the extension direction of the sliding rail; the lower end surface of the base plate is provided with a demolding cylinder driven upward, the output end of the demolding cylinder is provided with a ejector pin penetrating from the lower part to the upper part of the base plate; the position of the ejector pin is at another position when the push-pull cylinder drives the pressure seat to leave the lower part of the pressing head, the advantage is that after heat sealing is completed, the push-pull cylinder takes the product on the pressure seat away from the lower part of the pressing head, and then the demolding cylinder drives the ejector pin to lift the packaging box from bottom to top, at this time, there is a large space between the flange and the pressure ring, the product can be easily taken out by hand, and the heated pressure seat is basically not touched, improving the comfort.

[0005] In view of the above problems, the existing patent gives a solution, but the existing heat dissipation composite film material usually uses multiple push rods to utilize the reverse thrust of the return of the left mold body for demolding during injection molding, which can easily cause the problem of large single-point demolding pressure leading to workpiece damage, and the situation of adhesion or staying of the right mold body during demolding needs manual assistance for demolding, which needs to be pretreated by using reagent or small filler to avoid the occurrence of this situation, but the existing pretreatment usually directly sprays reagent and uses filler, the former uneven distribution leads to poor effect, and the volume of the latter may cause rough injection surface.

[0006] To this end, an automatic demolding structure of a heat dissipation composite film mold is provided. Content of the utility model

[0007] The utility model discloses a kind of automatic demolding structures of heat dissipation composite film mold, can solve the problem of existing demolding easy damage and difficulty and demolding easy adhesion or follow right side mold body needs manual interference, produce the problem of poor efficiency, high quality risk.

[0008] To achieve the above object, the utility model provides the following technical scheme: an automatic demolding structure of a heat dissipation composite film mold, including injection platform, the left side of the top of injection platform is movably connected with injection bin, the inside of injection bin is movably connected with mold body, the inside of injection bin and left side mold body is movably connected with self-help demolding buffer mechanism, the top of injection bin is movably connected with auxiliary demolding mechanism;

[0009] The self-help demolding buffer mechanism includes first electric telescopic platform, second electric telescopic platform, stepped buffer demolding assembly, the left side of the inside of injection bin is movably connected with the first electric telescopic platform, the right side of first electric telescopic platform is fixedly connected with the second electric telescopic platform, the right side of first electric telescopic platform is fixedly connected with left side mold body, the left side of left side mold body is provided with the second electric telescopic platform, the right side of second electric telescopic platform is movably connected with stepped buffer demolding assembly, and the inside of left side mold body is movably connected with stepped buffer demolding assembly.

[0010] Preferably, the auxiliary demolding mechanism includes a mixed vibrating screen integrated barrel, an elastic vibration assembly, an electric rotating shaft, a linkage arm, a hydraulic rod, stirring blades, a protrusion, and a spray head.

[0011] Preferably, the mixed vibrating screen integrated barrel is movably connected to the left side of the top of the injection bin, the electric rotating shaft is movably connected to the inside of the mixed vibrating screen integrated barrel, and the spray head is movably connected to the bottom of the electric rotating shaft.

[0012] Preferably, the linkage arm is rotatably connected to the outside of the electric rotating shaft, the stirring blades are fixedly connected to the outside of the linkage arm, the protrusion is fixedly connected to the top of the stirring blades, the protrusion is arranged at the bottom of the elastic vibration assembly, the elastic vibration assembly is movably connected to the top of the inside of the mixed vibrating screen integrated barrel, the hydraulic rod is rotatably connected to the outside of the linkage arm, and the hydraulic rod is rotatably connected to the outside of the electric rotating shaft.

[0013] Preferably, the stepped buffer demolding assembly includes a stepped telescopic push rod, a first telescopic support, a linkage block, a first compression spring, a sliding bin, a limiting sliding rod, and a tension spring.

[0014] Preferably, the stepped telescopic push rod is fixedly connected at the right side of the second electric telescopic platform, movably connected at the inner side of the left mold body, the first telescopic support is fixedly connected at both sides of the inner side of the stepped telescopic push rod, the connecting block is fixedly connected at the outer side of the first telescopic support, the first compression spring is fixedly connected at the outer side of the connecting block, the limiting slide rod is rotatably connected at the outer side of the connecting block, the limiting slide rod is slidably connected at the inner side of the sliding bin, the sliding bin is rotatably connected at the inner side of the stepped buffer push rod, the tension spring is fixedly connected at the inner side of the sliding bin, and the tension spring is fixedly connected at the outer side of the limiting slide rod.

[0015] Preferably, the elastic vibration assembly comprises a sieve plate, a supporting ring, a second telescopic support and a second compression spring.

[0016] Preferably, the supporting ring is fixedly connected with the top of the inner side of the mixed sieve-integrated barrel, the second telescopic support is fixedly connected at the bottom of the sieve plate, the second compression spring is fixedly connected at the inner side of the second telescopic support, and the sieve plate is fixedly connected at the bottom of the second telescopic support.

[0017] Preferably, the injection molding platform is movably connected with an injection molding device at the right side of the top of the injection molding platform, the injection molding device is movably connected at the right side of the injection molding bin, the right mold body is movably connected at the right side of the inner side of the injection molding bin, and the right mold body is arranged at the left side of the injection molding device.

[0018] Preferably, the injection molding bin and the top of the injection molding platform are both provided with a discharge port.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1、The self-help demolding buffer mechanism can be set, so that the workpiece is contacted one by one, the demolding pressure is dispersed, the spring buffer is combined, the influence of the pressure on the workpiece is further reduced, the integrity of the workpiece during demolding of the heat dissipation composite film material injection molding operation is comprehensively ensured, the stepped buffer demolding is realized through the cooperative operation of the left first electric telescopic platform and the stepped telescopic push rod, the demolding impact force is decomposed by the spring, the damage caused by direct demolding is effectively avoided, when the demolding force is insufficient, the second electric telescopic platform can be started to assist demolding, and the mold is prevented from being clamped.

[0021] 2. This application, by setting up an auxiliary demolding mechanism, can first screen the micro-particle fillers to ensure their appropriate size and avoid rough injection molding surfaces caused by inconsistent filler volume. At the same time, the screened fillers are thoroughly mixed with the agent and evenly sprayed onto the left mold body through a nozzle, making the agent distribution more uniform, effectively enhancing the adhesion strength of the mold body, promoting the subsequent demolding effect, avoiding workpiece sticking, and reducing the need for manual demolding. The integrated mixing and screening tank mixes and screens the release agent, adhesive accelerator, and other agents with the micro-particle fillers. The electric rotating shaft and hydraulic rod drive the stirring plate to stir and vibrate the screen, ensuring uniform mixing and accurate screening of materials. Attached Figure Description

[0022] Figure 1 This is an overall structural diagram of the automatic demolding structure of the heat dissipation composite film material mold of this utility model.

[0023] Figure 2 This is a diagram showing the internal structure of the injection molding chamber of this utility model;

[0024] Figure 3 This is an overall structural diagram of the self-service demolding buffer mechanism of this utility model;

[0025] Figure 4 This is an overall structural diagram of the stepped buffer demolding assembly of this utility model;

[0026] Figure 5 This is an overall structural diagram of the auxiliary demolding mechanism of this utility model.

[0027] In the diagram, 1. Injection platform; 2. Injection chamber; 3. Mold body; 4. Self-service demolding buffer mechanism; 41. First electric telescopic platform; 42. Second electric telescopic platform; 43. Stepped buffer demolding assembly; 43a. Stepped telescopic push rod; 43b. First telescopic support column; 43c. Linkage block; 43d. First compression spring; 43e. Sliding chamber; 43f. Limiting slide rod; 43g. Tension spring; 5. Auxiliary demolding mechanism; 51. Mixing vibrating screen integrated tank; 52. Elastic vibration assembly; 52a. Screen plate; 52b. Support ring; 52c. Second telescopic support column; 52d. Second compression spring; 53. Electric rotating shaft; 54. Linkage arm; 55. Hydraulic rod; 56. Mixing plate; 57. Protrusion; 58. Spray head; 6. Injector; 7. Discharge port. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1-5 The present invention provides the following technical solution:

[0030] An automatic demolding structure for a heat dissipation composite film mold includes an injection platform 1, an injection chamber 2 movably connected to the left side of the top of the injection platform 1, a mold body 3 movably connected to the inside of the injection chamber 2, a self-demolding buffer mechanism 4 movably connected to the inside of both the injection chamber 2 and the left side of the mold body 3, and an auxiliary demolding mechanism 5 movably connected to the top of the injection chamber 2.

[0031] The self-service demolding buffer mechanism 4 includes a first electric telescopic platform 41, a second electric telescopic platform 42, and a stepped buffer demolding assembly 43. The first electric telescopic platform 41 is movably connected to the left side of the injection chamber 2. The second electric telescopic platform 42 is fixedly connected to the right side of the first electric telescopic platform 41. The left mold body 3 is fixedly connected to the right side of the first electric telescopic platform 41. The second electric telescopic platform 42 is located on the left side of the left mold body 3. The stepped buffer demolding assembly 43 is movably connected to the right side of the second electric telescopic platform 42 and is movably connected to the inside of the left mold body 3.

[0032] In this embodiment: the first electric telescopic platform 41 can drive the left mold body 3 to return and push it to fit with the right mold body 3 to achieve the injection molding effect. During the return process, the buffer demolding component can be used for demolding. When the buffer force is too large and it is difficult to demold, the second electric telescopic platform 42 can be used to apply additional pressure for demolding.

[0033] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the auxiliary demolding mechanism 5 includes a mixing and vibrating screen integrated barrel 51, an elastic vibration component 52, an electric rotating shaft 53, a connecting arm 54, a hydraulic rod 55, a stirring plate 56, a protrusion 57, and a spray head 58.

[0034] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the integrated mixing and vibrating screen 51 is movably connected to the left side of the top of the injection molding chamber 2, the electric rotating shaft 53 is movably connected to the inside of the integrated mixing and vibrating screen 51, and the spray head 58 is movably connected to the bottom of the electric rotating shaft 53.

[0035] Specifically, such as Figure 1 , Figure 2 , Figure 5As shown, the linkage arm 54 is rotatably connected to the outside of the electric rotating shaft 53, the stirring plate 56 is fixedly connected to the outside of the linkage arm 54, the protrusion 57 is fixedly connected to the top of the stirring plate 56, the protrusion 57 is set at the bottom of the elastic vibration assembly 52, the elastic vibration assembly 52 is movably connected to the top of the inner side of the mixing vibrating screen integrated barrel 51, the hydraulic rod 55 is rotatably connected to the outside of the linkage arm 54, and the hydraulic rod 55 is rotatably connected to the outside of the electric rotating shaft 53.

[0036] In this embodiment: by starting the electric rotating shaft 53, the outer stirring plate 56 is driven to stir the auxiliary agent. During stirring, the hydraulic rod 55 extends and retracts, pulling the linkage arm 54 to swing up and down, causing the stirring plate 56 to move synchronously. After the elastic vibration component 52 completes the screening, the filler and agent enter the nozzle. The nozzle is connected to the bottom of the electric rotating shaft 53 through a hollow pipe and has an opening, which can spray the material onto the left mold body 3 for pretreatment, enhance the adhesion strength of the mold body 3, promote demolding in the later stage, and prevent the workpiece from sticking together during molding.

[0037] Specifically, such as Figure 1 , Figure 2 As shown, the stepped buffer demolding assembly 43 includes a stepped telescopic push rod 43a, a first telescopic support column 43b, a linkage block 43c, a first compression spring 43d, a sliding chamber 43e, a limiting slide rod 43f, and a tension spring 43g.

[0038] Specifically, such as Figure 5 , Figure 3 As shown, the stepped telescopic push rod 43a is fixedly connected to the right side of the second electric telescopic platform 42, and is movably connected to the inner side of the left mold body 3. The first telescopic support column 43b is fixedly connected to both sides of the inner side of the stepped telescopic push rod 43a. The linkage block 43c is fixedly connected to the outer side of the first telescopic support column 43b. The first compression spring 43d is fixedly connected to the outer side of the linkage block 43c. The limiting slide rod 43f is rotatably connected to the outer side of the linkage block 43c. The limiting slide rod 43f is slidably connected to the inner side of the sliding chamber 43e. The sliding chamber 43e is rotatably connected to the inner side of the stepped buffer push rod. The tension spring 43g is fixedly connected to the inner side of the sliding chamber 43e. The tension spring 43g is fixedly connected to the outer side of the limiting slide rod 43f.

[0039] In this embodiment: after the stepped telescopic push rod 43a contacts the workpiece, it will retract step by step. During the retraction, it will compress the second telescopic support pillars 52c on both sides, causing the two sets of linkage blocks 43c to move to the left at the same time, squeezing the first compression spring 43d between them. During the movement, the limiting slide rod 43f on the outside of the linkage block 43c will rotate accordingly and slide in the sliding chamber 43e, tightening the tension spring 43g in the chamber. This can achieve stepped buffer demolding, using the spring to separate the demolding force and avoid direct demolding causing damage to the workpiece.

[0040] Specifically, such as Figure 4, Figure 3 , Figure 4 As shown, the elastic vibration assembly 52 includes a screen plate 52a, a support ring 52b, a second telescopic support column 52c, and a second compression spring 52d.

[0041] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the support ring 52b is fixedly connected to the top of the inner side of the integrated mixing vibrating screen barrel 51, the second telescopic support column 52c is fixedly connected to the bottom of the screen plate 52a, the second compression spring 52d is fixedly connected to the inner side of the second telescopic support column 52c, and the screen plate 52a is fixedly connected to the bottom of the second telescopic support column 52c.

[0042] In this embodiment: the top protrusion 57 of the stirring plate 56 repeatedly impacts the bottom of the sieve plate 52a, causing the sieve plate 52a to press upwards and tighten the second telescopic support column 52c between the support ring 52b and the sieve plate 52a and the second compression spring 52d inside it. After storing energy, the second compression spring 52d rebounds, causing the sieve plate 52a to vibrate, allowing the filler on the top of the sieve plate 52a to be screened and fall below the sieve plate 52a.

[0043] Specifically, such as Figure 1 , Figure 2 As shown, an injection molding machine 6 is movably connected to the right side of the top of the injection platform 1. The injection molding machine 6 is movably connected to the right side of the injection chamber 2. The right mold body 3 is movably connected to the right side of the inside of the injection chamber 2. The right mold body 3 is located on the left side of the injection molding machine 6.

[0044] Specifically, such as Figure 5 , Figure 1 Figure 2 Figure 1 Figure 2 As shown, both the top of the injection chamber 2 and the injection platform 1 are provided with discharge ports 7.

[0045] In this example: by fitting the left mold body 3 and the right mold body 3 together, the injection molding machine 6 can achieve the effect of injection molding the heat dissipation composite film material, and the material can be quickly discharged after demolding through the discharge port 7.

[0046] Working principle: Before injection molding the heat dissipation composite film, with the left mold body 3 in its initial position, the release agent, adhesive accelerator, and other agents are mixed and introduced into the mixing and screening integrated tank. Then, the micro-particle filler is poured into the inner side of the mixing and screening integrated tank, and some filler of composite size is screened through the inner sieve plate 52a. After the feeding is completed, the electric rotating shaft 53 is started, which causes the stirring plate 56 on the outside of the shaft to mix and stir the auxiliary agents. During the stirring process, the reciprocating extension and retraction of the hydraulic rod 55 can pull the linkage arm 5. 4. The reciprocating transmission of the up-and-down swinging mechanism drives the stirring plate 56 to swing up and down. During the swinging process, the protrusion 57 on the top of the stirring plate 56 repeatedly impacts the bottom of the sieve plate 52a, pressing it upwards to tighten the second telescopic support column 52c between it and the support ring 52b and the second compression spring 52d on its inner side. After storing energy, it rebounds to achieve the effect of vibrating the sieve, allowing the top filler to be screened and fall below the sieve plate 52a. After mixing and screening, the filler and the agent will pass through the inside of the nozzle, which is connected to the bottom of the electric rotating shaft 53 through a perforated pipe and is equipped with an opening mechanism. The nozzle can transfer materials to its inner side for spraying, thereby pre-treating the left mold body 3, enhancing the adhesion strength of the left mold body 3, promoting the subsequent demolding effect, and avoiding the problem of workpiece sticking. After injection molding, the left first electric telescopic platform 41 will pull the left mold body 3 back to its initial position. When moving to the left, the stepped telescopic push rod 43a, which is in contact with its inner side, will squeeze the molded workpiece on the surface of the left mold body 3, causing it to demold and fall into the receiving port. When the stepped telescopic push rod 43a contacts the workpiece, it will retract step by step. During the contraction process, the second telescopic support columns 52c on both sides are compressed to a limited extent, causing the two sets of linkage blocks 43c to move to the left at the same time and squeeze the first compression spring 43d between them. During the movement, the limiting slide bar 43f on the outside will rotate and slide in the sliding chamber 43e, tightening the tension spring 43g on the inside of the sliding chamber 43e. This achieves the effect of stepped buffer demolding and the separation of demolding force by the spring, avoiding damage caused by direct demolding. When the force is insufficient for demolding, the second electric telescopic platform 42 can be activated to assist demolding and avoid jamming.

[0047] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automatic demolding structure of a heat dissipation composite film mold, comprising an injection molding platform (1), characterized in that: The left side of the top of the injection molding platform (1) is movably connected with an injection molding bin (2), the inner side of the injection molding bin (2) is movably connected with a mold body (3), the inner sides of the injection molding bin (2) and the left mold body (3) are movably connected with a self-help demolding buffer mechanism (4), and the top of the injection molding bin (2) is movably connected with an auxiliary demolding mechanism (5). The self-help demolding buffer mechanism (4) comprises a first electric telescopic platform (41), a second electric telescopic platform (42) and a stepped buffer demolding assembly (43), the first electric telescopic platform (41) is movably connected to the left side of the inner side of the injection molding bin (2), the second electric telescopic platform (42) is fixedly connected to the right side of the first electric telescopic platform (41), the left mold body (3) is fixedly connected to the right side of the first electric telescopic platform (41), the second electric telescopic platform (42) is arranged on the left side of the left mold body (3), and the stepped buffer demolding assembly (43) is movably connected to the right side of the second electric telescopic platform (42) and the inner side of the left mold body (3).

2. The automatic demolding structure of a heat dissipation composite film material mold according to claim 1, characterized in that: The auxiliary demolding mechanism (5) comprises a mixed vibration screen integrated barrel (51), an elastic vibration assembly (52), an electric rotating shaft (53), a linkage arm (54), a hydraulic rod (55), a stirring blade (56), a protruding block (57) and a spraying head (58).

3. The automatic demolding structure of a heat dissipation composite film material mold according to claim 2, characterized in that: The mixed vibration screen integrated barrel (51) is movably connected to the left side of the top of the injection molding bin (2), the electric rotating shaft (53) is movably connected to the inner side of the mixed vibration screen integrated barrel (51), and the spraying head (58) is movably connected to the bottom of the electric rotating shaft (53).

4. The automatic demolding structure of a heat dissipation composite film material mold according to claim 2, characterized in that: The linkage arm (54) is rotatably connected to the outer side of the electric rotating shaft (53), the stirring blade (56) is fixedly connected to the outer side of the linkage arm (54), the protruding block (57) is fixedly connected to the top of the stirring blade (56), the protruding block (57) is arranged on the bottom of the elastic vibration assembly (52), the elastic vibration assembly (52) is movably connected to the top of the inner side of the mixed vibration screen integrated barrel (51), the hydraulic rod (55) is rotatably connected to the outer side of the linkage arm (54), and the hydraulic rod (55) is rotatably connected to the outer side of the electric rotating shaft (53).

5. The automatic demolding structure of a heat dissipation composite film mold according to claim 1, characterized in that: The stepped buffer demolding assembly (43) comprises a stepped telescopic push rod (43a), a first telescopic support (43b), a linkage block (43c), a first compression spring (43d), a sliding bin (43e), a limiting sliding rod (43f) and a tension spring (43g).

6. The automatic demolding structure of a heat dissipation composite film material mold according to claim 5, characterized in that: The stepped telescopic push rod (43a) is fixedly connected to the right side of the second electric telescopic platform (42), movably connected to the inner side of the left mold body (3), the first telescopic support (43b) is fixedly connected to the inner side of the stepped telescopic push rod (43a), the connecting block (43c) is fixedly connected to the outer side of the first telescopic support (43b), the first compression spring (43d) is fixedly connected to the outer side of the connecting block (43c), the limiting slide rod (43f) is rotatably connected to the outer side of the connecting block (43c), the limiting slide rod (43f) is slidably connected to the inner side of the sliding bin (43e), the sliding bin (43e) is rotatably connected to the inner side of the stepped buffer push rod, the tension spring (43g) is fixedly connected to the inner side of the sliding bin (43e), and the tension spring (43g) is fixedly connected to the outer side of the limiting slide rod (43f).

7. The automatic demolding structure of a heat dissipation composite film mold according to claim 2, characterized in that: The elastic vibration assembly (52) comprises a sieve plate (52a), a support ring (52b), a second telescopic support (52c) and a second compression spring (52d).

8. The automatic demolding structure of a heat dissipation composite film material mold according to claim 7, characterized in that: The support ring (52b) is fixedly connected to the top of the inner side of the mixed sieve integrated barrel (51), the second telescopic support (52c) is fixedly connected to the bottom of the sieve plate (52a), the second compression spring (52d) is fixedly connected to the inner side of the second telescopic support (52c), and the sieve plate (52a) is fixedly connected to the bottom of the second telescopic support (52c).

9. The automatic demolding structure of a heat dissipation composite film mold according to claim 1, characterized in that: The injection molding platform (1) is movably connected to the right side of the injection molding platform (1), and the injection molding platform (1) is movably connected to the right side of the injection molding bin (2). The right mold body (3) is movably connected to the right side of the inner side of the injection molding bin (2), and the right mold body (3) is arranged on the left side of the injection molding device (6).

10. The automatic demolding structure of a heat dissipation composite film mold according to claim 1, characterized in that: The injection molding bin (2) and the top of the injection molding platform (1) are provided with a discharge port (7).

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