Demoulding structure for plastic cover mould

Abstract

The utility model relates to the technical field of plastic cover production, and discloses a demoulding structure for a plastic cover mould, which comprises a base, a plurality of air inlet pipes are arranged on two sides of the base, a movable rod is arranged on the inner side of the base, an air inlet component is arranged on the outer side of the base, and a mounting plate is fixedly mounted at the top of the base. A fixed plate is fixedly mounted on the mounting plate through bolts, a fixed mold is fixedly mounted at the top of the fixed plate, and a movable mold is arranged at the top of the fixed mold. According to the demolding structure for the plastic cover mold, through the structural design of the insertion pipe and the positioning base, it can be ensured that the insertion pipe is inserted into the correct position, then the multiple air inlet pipes can be inflated through the distributor, through the design of the positioning holes, when an air inlet assembly is used, bolts can penetrate through the positioning holes, the whole air inlet assembly can be fixed, and the demolding structure is convenient to use. And the movable rod can move up and down in the air inlet pipe, so that a product machined in the mold groove can be conveniently ejected out, and the surface of the product is not conveniently scratched.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic cover production, in particular to a demoulding structure for a plastic cover mold. Background Technique

[0002] The moving mold of the mold is installed on the moving template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During the injection molding process, the moving mold and the fixed mold will close together to form a gating system and a cavity. When the mold is opened, the moving mold and the fixed mold will separate, facilitating relevant personnel to take out the plastic cover products.

[0003] Chinese Utility Model Patent Publication No.: CN 114889053 A, discloses: a plastic cover injection mold. In this plastic cover injection mold, there is a 3 - centimeter sandwich inside the retaining frame, and there are multiple deformable parts. The top and bottom of the multiple deformable parts are connected, and the connecting pipe is embedded in the sandwich of the retaining frame, enabling each deformable part to retract when squeezed. The deformable parts enable the fixed plate to move at a certain angle. However, in this plastic cover injection mold, the product is pulled out by a hook, which easily causes scratches on both sides of the product during the pulling process. Moreover, this plastic cover injection mold does not design multiple fixing structures, making it easy for the moving mold and the fixed mold to displace during injection molding, resulting in burrs on the product and affecting the product quality. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a demoulding structure for a plastic cover mold, which can effectively solve the problems in the prior art that when the product is pulled out by a hook, it is easy to cause scratches on both sides of the product during the pulling process, and it is easy for the moving mold and the fixed mold to displace during injection molding, resulting in burrs on the product and affecting the product quality.

[0005] The technical solution adopted by the utility model is: a demoulding structure for a plastic cover mold, including a base. A plurality of air inlet pipes are provided on both sides of the base. An activity rod is arranged inside the base. An air inlet assembly is arranged outside the base. A mounting plate is fixedly installed on the top of the base. The mounting plate is fixedly installed with a fixed plate through bolts. A fixed mold is fixedly installed on the top of the fixed plate. A moving mold is arranged on the top of the fixed mold. A top cover is fixedly installed on the top of the moving mold through bolts. An injection nozzle is fixedly installed on the top of the top cover. A mold cavity is opened inside the fixed mold. An insertion rod is fixedly installed on the top of the fixed mold. A positioning rod one is arranged on both sides of the base. A connecting block is arranged on the outside of the mounting plate and the fixed plate. A positioning rod two is arranged on both sides of the mounting plate.

[0006] Preferably, the intake assembly includes an insertion tube disposed outside the intake pipe. A positioning seat is provided outside the insertion tube, and a sealing sleeve is fixedly installed outside the positioning seat. A connecting tube is inserted and installed outside the positioning seat. The other end of the connecting tube is fixedly installed with a distributor, and the other end of the distributor is fixedly installed with a connecting valve. An air inlet is provided outside the connecting valve. The intake pipes and the insertion tubes are in one-to-one correspondence, and the intake pipes, the connecting tubes, and the distributor are interconnected.

[0007] Through the above technical solution, the structural design of the insertion tube and the positioning seat can ensure that the insertion tube is inserted into the correct position. Subsequently, the distributor can be used to inflate multiple intake pipes, facilitating subsequent operations.

[0008] Preferably, the intake assembly further includes a positioning hole provided at the top of the distributor, and the movable rod is adapted to the intake pipe.

[0009] Through the above technical solution, through the design of the positioning hole, when the intake assembly is used, bolts can pass through the positioning hole to fix the entire intake assembly. Subsequently, air can enter through the air inlet, and then the movable rod can move up and down in the intake pipe, facilitating the ejection of the products processed inside the mold cavity.

[0010] Preferably, the movable mold and the top cover are slidably connected to the insertion rod, and there are four identical insertion rods.

[0011] Through the above technical solution, through the design of the movable mold, the top cover and the insertion rod, when installing the movable mold, the movable mold can move in the insertion rod, and then the movable mold slides to the upper side of the fixed mold, facilitating the positioning and installation of the movable mold and the fixed mold.

[0012] Preferably, the second positioning rod is fixedly installed with the mounting plate and the fixed mold by bolts. There are two identical groups of the second positioning rods, and there are two identical second positioning rods in each group. The two second positioning rods are symmetrically distributed about the center line of the base.

[0013] Through the above technical solution, through the design of the second positioning rod, when assembling the entire mold, the mounting plate and the fixed mold can be fixedly installed, and with the cooperation of the four second positioning rods, the overall stability can be further improved.

[0014] Preferably, there are two identical first positioning rods, and the first positioning rods are fixedly installed with the base, the mounting plate, the fixing plate, the fixed mold, and the movable mold by bolts.

[0015] Through the above technical solution, with the design of the first positioning rod, when in use, the first positioning rod can be fixed to the outside of the base, mounting plate, fixed plate, fixed mold and moving mold through bolts, and then it can play a role in fixing the base, mounting plate, fixed plate, fixed mold and moving mold, avoiding their easy displacement, resulting in burrs on the product and affecting the product quality.

[0016] Preferably, the injection nozzle is located on the center line of the top cover, and the injection nozzle penetrates through the moving mold and the top cover and extends to the top of the mold cavity.

[0017] Through the above technical solution, with the design of the injection nozzle and the top cover, after the overall mold is assembled, raw materials can be injected through the injection nozzle, and then the raw materials can enter the mold cavity, and then the normal processing of the overall product can be realized.

[0018] Compared with the prior art, the present utility model provides a demoulding structure for a plastic cover mold, having the following beneficial effects:

[0019] 1. For the demoulding structure of the plastic cover mold, through the structural design of the insertion tube and the positioning seat, it can ensure that the insertion tube is inserted into the correct position. Then, the multiple air inlet pipes can be inflated through the distributor. With the design of the positioning holes, when the air inlet assembly is used, bolts can pass through the positioning holes to fix the overall air inlet assembly. Then, air can enter through the air inlet, and then the movable rod can move up and down in the air inlet pipe, which is convenient for ejecting the product processed inside the mold cavity and not easy to scratch the surface of the product;

[0020] 2. For the demoulding structure of the plastic cover mold, with the design of the second positioning rod, when assembling the overall mold, the mounting plate and the fixed mold can be fixedly installed. With the design of the first positioning rod, when in use, the first positioning rod can be fixed to the outside of the base, mounting plate, fixed plate, fixed mold and moving mold through bolts, and then it can play a role in fixing the base, mounting plate, fixed plate, fixed mold and moving mold, avoiding their easy displacement, resulting in burrs on the product and affecting the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a schematic diagram of the installation structure of the fixed mold and the insertion rod of the present utility model;

[0023] Figure 3 is a schematic diagram of the installation structure of the base and the mounting plate of the present utility model;

[0024] Figure 4 is a schematic cross-sectional structure diagram of the present utility model;

[0025] Figure 5This is a three-dimensional structural schematic diagram of the intake component of the utility model.

[0026] Among them: 1. Base; 2. Intake pipe; 3. Movable rod; 4. Intake component; 401. Insertion pipe; 402. Positioning seat; 403. Sealing sleeve; 404. Connecting pipe; 405. Distributor; 406. Positioning hole; 407. Connecting valve; 408. Intake port; 5. Mounting plate; 6. Fixed plate; 7. Fixed mold; 8. Movable mold; 9. Top cover; 10. Injection nozzle; 11. Mold cavity; 12. Insertion rod; 13. Positioning rod one; 14. Connecting block; 15. Positioning rod two. Specific implementation mode

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1: As Figures 1-5 shown, a demoulding structure for a plastic cover mold provided by the present utility model includes a base 1, multiple intake pipes 2 are provided on both sides of the base 1, a movable rod 3 is arranged inside the base 1, an intake component 4 is arranged outside the base 1, a mounting plate 5 is fixedly installed on the top of the base 1, a fixed plate 6 is fixedly installed on the mounting plate 5 through bolts, a fixed mold 7 is fixedly installed on the top of the fixed plate 6, a movable mold 8 is arranged on the top of the fixed mold 7, a top cover 9 is fixedly installed on the top of the movable mold 8 through bolts, an injection nozzle 10 is fixedly installed on the top of the top cover 9, a mold cavity 11 is opened inside the fixed mold 7, an insertion rod 12 is fixedly installed on the top of the fixed mold 7, positioning rods one 13 are arranged on both sides of the base 1, a connecting block 14 is arranged outside the mounting plate 5 and the fixed plate 6, and positioning rods two 15 are arranged on both sides of the mounting plate 5.

[0029] Specifically, the intake component 4 includes an insertion pipe 401 arranged outside the intake pipe 2, a positioning seat 402 is arranged outside the insertion pipe 401, a sealing sleeve 403 is fixedly installed outside the positioning seat 402, a connecting pipe 404 is inserted and installed outside the positioning seat 402, the other end of the connecting pipe 404 is fixedly installed with a distributor 405, the other end of the distributor 405 is fixedly installed with a connecting valve 407, an intake port 408 is arranged outside the connecting valve 407, the intake pipes 2 and the insertion pipes 401 are in one-to-one correspondence, and the intake pipes 2, the connecting pipes 404 and the distributor 405 are communicated. The advantage is that through the structural design of the insertion pipe 401 and the positioning seat 402, it can be ensured that the insertion pipe 401 is inserted into the correct position, and then the distributor 405 can be used to inflate multiple intake pipes 2, which is convenient for subsequent work.

[0030] Specifically, the intake assembly 4 further includes a positioning hole 406 opened at the top of the distributor 405. The movable rod 3 is adapted to the intake pipe 2. The advantage is that through the design of the positioning hole 406, when the intake assembly 4 is used, a bolt can pass through the positioning hole 406 to fix the entire intake assembly 4. Subsequently, air can be introduced through the air inlet 408, and then the movable rod 3 can move up and down in the intake pipe 2, which is convenient for ejecting the products processed inside the mold cavity 11.

[0031] Specifically, the movable mold 8 and the top cover 9 are slidably connected to the insertion rod 12. There are four identical insertion rods 12. The advantage is that through the design of the movable mold 8, the top cover 9 and the insertion rod 12, when installing the movable mold 8, the movable mold 8 can be moved in the insertion rod 12, and then the movable mold 8 can slide to the upper part of the fixed mold 7, which is convenient for positioning and installing the movable mold 8 and the fixed mold 7.

[0032] Embodiment 2: As Figures 2-5 shown, as an improvement to the previous embodiment.

[0033] Specifically, the second positioning rod 15 is fixedly installed on the mounting plate 5 and the fixed mold 7 by bolts. There are two identical groups of the second positioning rods 15. Each group of the second positioning rods 15 has two identical ones. The two second positioning rods 15 are symmetrically distributed about the center line of the base 1. The advantage is that through the design of the second positioning rod 15, when assembling the entire mold, the mounting plate 5 and the fixed mold 7 can be fixedly installed, and with the cooperation of the four second positioning rods 15, the overall stability can be further improved.

[0034] Specifically, there are two identical first positioning rods 13. The first positioning rods 13 are fixedly installed on the base 1, the mounting plate 5, the fixing plate 6, the fixed mold 7 and the movable mold 8 by bolts. The advantage is that when in use, the first positioning rods 13 can be fixed to the outside of the base 1, the mounting plate 5, the fixing plate 6, the fixed mold 7 and the movable mold 8 by bolts, and then the base 1, the mounting plate 5, the fixing plate 6, the fixed mold 7 and the movable mold 8 can be fixed, preventing them from being easily displaced, resulting in burrs on the products and affecting the product quality.

[0035] Specifically, the injection nozzle 10 is located on the center line of the top cover 9. The injection nozzle 10 penetrates through the movable mold 8 and the top cover 9 and extends to the top of the mold cavity 11. The advantage is that through the design of the injection nozzle 10 and the top cover 9, after the entire mold is assembled, raw materials can be injected through the injection nozzle 10, and then the raw materials can enter the mold cavity 11, and then the normal processing of the entire product can be realized.

[0036] Working principle: During use, after the overall mold assembly is completed through the design of the injection nozzle 10 and the top cover 9, raw materials can be injected through the injection nozzle 10. Subsequently, the raw materials can enter the mold cavity 11, and then the normal processing of the overall product can be achieved. Through the design of the first positioning rod 13, during use, the first positioning rod 13 can be fixed to the outside of the base 1, the mounting plate 5, the fixing plate 6, the stationary mold 7, and the moving mold 8 through bolts. Subsequently, it can play a role in fixing the base 1, the mounting plate 5, the fixing plate 6, the stationary mold 7, and the moving mold 8, preventing them from being easily displaced, resulting in burrs on the product and affecting the product quality. Through the design of the second positioning rod 15, when assembling the overall mold, the mounting plate 5 and the stationary mold 7 can be fixedly installed, and with the cooperation of the four second positioning rods 15, the overall stability can be further improved. Through the design of the moving mold 8, the top cover 9, and the insertion rod 12, when installing the moving mold 8, the moving mold 8 can be moved within the insertion rod 12, and then the moving mold 8 can slide above the stationary mold 7, facilitating the positioning and installation of the moving mold 8 and the stationary mold 7. Through the design of the positioning hole 406, when using the air intake assembly 4, bolts can pass through the positioning hole 406 to fix the overall air intake assembly 4. Subsequently, air can enter through the air intake port 408, and then the movable rod 3 can move up and down in the intake pipe 2, facilitating the ejection of the product processed inside the mold cavity 11. Through the structural design of the insertion pipe 401 and the positioning seat 402, it can be ensured that the insertion pipe 401 is inserted into the correct position. Subsequently, the distributor 405 can inflate multiple intake pipes 2, facilitating subsequent work.

[0037] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A demolding structure for a plastic cover mold, comprising a base (1), characterized in that: A plurality of air inlet pipes (2) are provided on both sides of the base (1). An active rod (3) is arranged inside the base (1). An air inlet assembly (4) is arranged outside the base (1). A mounting plate (5) is fixedly installed at the top of the base (1). A fixing plate (6) is fixedly installed on the mounting plate (5) by bolts. A fixed mold (7) is fixedly installed at the top of the fixing plate (6). A moving mold (8) is arranged on the top of the fixed mold (7). A top cover (9) is fixedly installed on the top of the moving mold (8) by bolts. An injection nozzle (10) is fixedly installed at the top of the top cover (9). A mold cavity (11) is formed inside the fixed mold (7). An insertion rod (12) is fixedly installed at the top of the fixed mold (7). Two positioning rods one (13) are arranged on both sides of the base (1). Connecting blocks (14) are arranged on the outer sides of the mounting plate (5) and the fixing plate (6). Two positioning rods two (15) are arranged on both sides of the mounting plate (5).

2. The demolding structure for a plastic cover mold according to claim 1, characterized in that: The air inlet assembly (4) includes an insertion pipe (401) arranged outside the air inlet pipe (2). A positioning seat (402) is arranged outside the insertion pipe (401). A sealing sleeve (403) is fixedly installed outside the positioning seat (402). A connecting pipe (404) is inserted and installed outside the positioning seat (402). The other end of the connecting pipe (404) is fixedly installed with a distributor (405). The other end of the distributor (405) is fixedly installed with a connecting valve (407). An air inlet (408) is arranged outside the connecting valve (407). The air inlet pipes (2) and the insertion pipes (401) are in one-to-one correspondence. The air inlet pipes (2), the connecting pipes (404) and the distributor (405) are communicated with each other.

3. The demolding structure for a plastic cover mold according to claim 2, characterized in that: The air inlet assembly (4) further includes a positioning hole (406) formed at the top of the distributor (405). The active rod (3) is adapted to the air inlet pipe (2).

4. A demolding structure for a plastic cover mold according to claim 1, characterized in that: The moving mold (8) and the top cover (9) are slidably connected to the insertion rod (12). There are four identical insertion rods (12).

5. The demolding structure for a plastic cover mold according to claim 1, characterized in that: The positioning rods two (15) are fixedly installed on the mounting plate (5) and the fixed mold (7) by bolts. There are two identical groups of the positioning rods two (15). There are two identical positioning rods two (15) in each group. The two positioning rods two (15) are symmetrically distributed about the center line of the base (1).

6. The demoulding structure for a plastic cover mould according to claim 1, characterized in that: There are two identical positioning rods one (13). The positioning rods one (13) are fixedly installed on the base (1), the mounting plate (5), the fixing plate (6), the fixed mold (7) and the moving mold (8) by bolts.

7. The demoulding structure for a plastic cover mould according to claim 1, characterized in that: The injection nozzle (10) is located on the center line of the top cover (9). The injection nozzle (10) penetrates through the moving mold (8) and the top cover (9) and extends to the top of the mold cavity (11).

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