Injection molding device for automobile plastic parts

Abstract

The utility model relates to the technical field of automobile injection molding processing, and discloses an automobile plastic part injection molding device which comprises a lifting mechanism, a supporting mechanism is fixedly connected to the interior of the lifting mechanism, a lifting mechanism is fixedly connected to the top of the lifting mechanism, and the lifting mechanism comprises a workbench. The top of the workbench is fixedly connected with a lower die. When the lower mold descends, a fixing column at the bottom of the lower mold presses a springback rod, the springback rod drives a supporting plate, then a compression plate at the bottom of the supporting column compresses a second spring, and meanwhile the supporting plate further drives a mounting block, so that a moving block at the bottom of a connecting rod slides on a first sliding rod, and a first spring is pulled; and after the automobile plastic part is cooled, the upper mold is lifted, the first spring and the second spring rebound, and the pushing rod is driven to lift the cooled automobile plastic part, so that the manual knocking-out process is avoided, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile injection molding processing, especially to an automobile plastic part injection molding device. BACKGROUND

[0002] The automobile injection molding processing is to melt the plastic into the corresponding mold by pressure, control the temperature and injection time, and cool and form in the mold to get the desired various shape plastic parts.

[0003] In the existing injection molding processing mode, there is a significant problem, that is, the workers must use external tools to take out the injection molded plastic parts. This way brings many inconveniences, greatly affecting the production efficiency and the workers' work experience. UTILITARY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides an automobile plastic part injection molding device.

[0005] The utility model adopts the following technical scheme: an automobile plastic part injection molding device, including a lifting mechanism, the inside fixed connection of lifting mechanism has support mechanism, the top fixed connection of lifting mechanism has lifting mechanism;

[0006] The lifting mechanism includes a workbench, the top of the workbench is fixedly connected with a lower mold, the bottom of the workbench is fixedly connected with a support, the top of the support is fixedly connected with a lifting box, the inner wall of the lifting box is fixedly connected with a first sliding rod, the surface of the first sliding rod is slidably connected with a moving block, the right side of the moving block is fixedly connected with a first spring, the inside of the moving block is rotatably connected with a connecting rod, the top of the connecting rod is rotatably connected with a mounting block, the top of the mounting block is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a propelling column, and the top of the lower mold is provided with a fixed groove.

[0007] As a further improvement of the above scheme, four through grooves are formed in the lower mold, and four propelling columns are provided, which are uniformly distributed on the surface in a central symmetrical manner on the top of the connecting plate, and the four propelling columns penetrate the lower mold.

[0008] As a further improvement of the above scheme, the support mechanism includes a support box, the inner wall bottom of the support box is fixedly connected with a second spring, the top of the second spring is fixedly connected with a compression plate, the top of the compression plate is fixedly connected with a support column, the top of the support column is fixedly connected with a support plate, and the top of the support plate is fixedly connected with a rebound rod.

[0009] As a further improvement of the above-mentioned scheme, the support box is located at the bottom of the inner wall of the return box, the inner wall of the support box is in sliding connection with the surface of the compression plate, and the support column penetrates through the top of the support box.

[0010] As a further improvement of the above-mentioned scheme, the support plate is provided in two, the two support plates are fixedly connected with the mounting block, and the number of the rebound rods is four, and the surfaces of the four rebound rods are in sliding connection with the inner wall of the fixed groove.

[0011] As a further improvement of the above-mentioned scheme, the lifting mechanism comprises a support frame, the top of the support frame is fixedly connected with an air pump, the telescopic end of the air pump is fixedly connected with an upper mold, the bottom of the upper mold is fixedly connected with a fixed column, the left and right sides of the upper mold are fixedly connected with sliding blocks, and the bottom of the support frame is fixedly connected with a second sliding rod.

[0012] As a further improvement of the above-mentioned scheme, the support frame is located at the top of the workbench, the number of the fixed columns is four, the four fixed columns are uniformly distributed on the surface in a central symmetry mode at the bottom of the upper mold, the surface of the fixed column is in clamping connection with the inner wall of the fixed groove, the sliding block is provided with a through groove in the inside, and the inner wall of the sliding block is in sliding connection with the surface of the second sliding rod.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a push rod is set up, when the lower mold drops, the fixed column at the bottom of the lower mold is pressed to rebound rod, and the rebound rod drives the support plate, and then the compression plate at the bottom of the support column compresses the second spring, and simultaneously the support plate also drives the mounting block, and makes the moving block at the bottom of the connecting rod slide on the first sliding rod, and pulls the first spring, and drives the push column at the top of the connecting plate to retract into the inside of the lower mold, and after the automobile plastic part cools, the upper mold rises, and the first spring and the second spring rebound, and drive the push rod to lift the cooled automobile plastic part, avoid the process that the manual knock is taken out, reduce the labor intensity of worker, reduce the error and damage that manual operation can bring, help to keep the integrity and quality of product, improve production efficiency.

[0015] The utility model discloses a fixed column is set up, and through the clamping of the fixed column and the fixed groove in the lower mold inside, the fixed column can ensure that the rebound rod is pressed in the correct position, thereby guaranteeing the accuracy and stability of the whole mold system, and the fixed column helps to ensure that the upper mold and the lower mold are tightly clamped in the injection molding process, form the closed mold cavity, and prevent molten plastic from leaking. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the lower mold structure schematic view of the utility model;

[0018] Figure 3 It is the mounting block structure schematic view of the utility model;

[0019] Figure 4 It is the support mechanism structure schematic view of the utility model;

[0020] Figure 5 It is the lifting mechanism structure schematic view of the utility model;

[0021] Figure 6 It is the utility model Figure 1 Sectional structure schematic view.

[0022] Main symbol explanation:

[0023] 1, the lifting mechanism;101, workbench;102, lower mold;103, support;104, lifting box;105, first sliding rod;106, moving block;107, first spring;108, connecting rod;109, mounting block;110, connecting plate;111, push column;112, fixed groove;2, support mechanism;201, support box;202, second spring;203, compression plate;204, support column;205, support plate;206, rebound rod;3, lifting mechanism;301, support frame;302, air pump;303, upper mold;304, fixed column;305, sliding block;306, second sliding rod. Specific implementation

[0024] Next, the utility model is further described in combination with the drawings and specific implementation, and it should be explained that, under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined to form new embodiment.

[0025] Embodiment:

[0026] Please combine Figures 1-6 The automobile plastic part injection molding device of the embodiment, including lifting mechanism 1, the inside fixed connection of lifting mechanism 1 has support mechanism 2, the top fixed connection of lifting mechanism 1 has lifting mechanism 3;

[0027] The back-up mechanism 1 comprises a workbench 101, the top of the workbench 101 is fixedly connected with a lower mold 102, the bottom of the workbench 101 is fixedly connected with a support 103, the top of the support 103 is fixedly connected with a back-up box 104, the inner wall of the back-up box 104 is fixedly connected with a first sliding rod 105, the surface of the first sliding rod 105 is slidably connected with a moving block 106, the right side of the moving block 106 is fixedly connected with a first spring 107, the inside of the moving block 106 is rotatably connected with a connecting rod 108, the top of the connecting rod 108 is rotatably connected with a mounting block 109, the top of the mounting block 109 is fixedly connected with a connecting plate 110, the top of the connecting plate 110 is fixedly connected with a pushing column 111, and the top of the lower mold 102 is provided with a fixed groove 112.

[0028] The lower mold 102 is internally provided with four through grooves, the pushing column 111 is provided in four numbers, the four pushing columns 111 are uniformly distributed on the surface in a central symmetry manner at the top of the connecting plate 110, and the four pushing columns 111 penetrate through the lower mold 102.

[0029] The supporting mechanism 2 comprises a supporting box 201, the inner wall bottom of the supporting box 201 is fixedly connected with a second spring 202, the top of the second spring 202 is fixedly connected with a compression plate 203, the top of the compression plate 203 is fixedly connected with a supporting column 204, the top of the supporting column 204 is fixedly connected with a supporting plate 205, and the top of the supporting plate 205 is fixedly connected with a rebound rod 206.

[0030] The supporting box 201 is located at the inner wall bottom of the back-up box 104, the inner wall of the supporting box 201 is slidably connected with the surface of the compression plate 203, and the supporting column 204 penetrates through the top of the supporting box 201.

[0031] The supporting plate 205 is provided in two numbers, the two supporting plates 205 are fixedly connected with the mounting block 109, the rebound rod 206 is provided in four numbers, and the surface of the four rebound rods 206 is slidably connected with the inner wall of the fixed groove 112.

[0032] The lifting mechanism 3 comprises a supporting frame 301, the top of the supporting frame 301 is fixedly connected with an air pump 302, the telescopic end of the air pump 302 is fixedly connected with an upper mold 303, the bottom of the upper mold 303 is fixedly connected with a fixed column 304, the left and right sides of the upper mold 303 are fixedly connected with sliding blocks 305, and the bottom of the supporting frame 301 is fixedly connected with a second sliding rod 306.

[0033] The supporting frame 301 is located at the top of the workbench 101, the fixed column 304 is provided in four numbers, the four fixed columns 304 are uniformly distributed on the surface in a central symmetry manner at the bottom of the upper mold 303, the surface of the fixed column 304 is clamped with the inner wall of the fixed groove 112, the through groove is arranged in the sliding block 305, and the inner wall of the sliding block 305 is slidably connected with the surface of the second sliding rod 306.

[0034] The implementation principle of the automobile plastic part injection molding device in the embodiment of the application is as follows: first, the air pump 302 is started, the upper mold 303 is driven to descend, and is clamped with the lower mold 102 to form a closed mold cavity, then molten plastic is injected through the injection port, before this, when the lower mold 102 descends, the fixed column 304 at the bottom of the lower mold 102 presses the rebound rod 206 when descending, the rebound rod 206 drives the supporting plate 205, then the compression plate 203 at the bottom of the supporting column 204 compresses the second spring 202, at the same time, the supporting plate 205 also drives the mounting block 109, so that the moving block 106 at the bottom of the connecting rod 108 slides on the first sliding rod 105, pulls the first spring 107, drives the top of the connecting plate 110 to retract into the inside of the lower mold 102, after the automobile plastic part is cooled, the upper mold 303 is lifted, the first spring 107 and the second spring 202 rebound, drive the advancing rod to lift the cooled automobile plastic part, the rebound rod 206 returns to the original position, the process of manual knocking is avoided, the labor intensity of workers is reduced, errors and damages possibly caused by manual operation are reduced, the integrity and quality of products are helped to be maintained, and the production efficiency is improved.

[0035] The above embodiment is only a preferred embodiment of the application, and cannot be used to limit the range of protection of the application, and any non-substantial change and replacement made by a person skilled in the art on the basis of the application belongs to the range of protection of the application.

Claims

1. An injection molding device for automotive plastic parts, characterized in that, Including the mechanism of back (1), the inside fixed connection of the mechanism of back (1) has support mechanism (2), the top of the mechanism of back (1) is fixedly connected with lifting mechanism (3); The back mechanism (1) includes a workbench (101), the top of the workbench (101) is fixedly connected with a lower mold (102), the bottom of the workbench (101) is fixedly connected with a support (103), the top of the support (103) is fixedly connected with a back box (104), the inner wall of the back box (104) is fixedly connected with a first sliding rod (105), the surface of the first sliding rod (105) is slidably connected with a moving block (106), the right side of the moving block (106) is fixedly connected with a first spring (107), the inside of the moving block (106) is rotatably connected with a connecting rod (108), the top of the connecting rod (108) is rotatably connected with a mounting block (109), the top of the mounting block (109) is fixedly connected with a connecting plate (110), the top of the connecting plate (110) is fixedly connected with a propulsion column (111), and the top of the lower mold (102) is provided with a fixed groove (112).

2. The injection molding apparatus for plastic parts of an automobile as claimed in claim 1, wherein: The inside of the lower mold (102) is provided with four through grooves, the number of the propulsion column (111) is four, the four propulsion columns (111) are uniformly distributed on the surface in a central symmetry on the top of the connecting plate (110), and the four propulsion columns (111) penetrate the lower mold (102).

3. The injection molding apparatus for plastic parts of an automobile as claimed in claim 1 wherein: The support mechanism (2) includes a support box (201), the inner wall bottom of the support box (201) is fixedly connected with a second spring (202), the top of the second spring (202) is fixedly connected with a compression plate (203), the top of the compression plate (203) is fixedly connected with a support column (204), the top of the support column (204) is fixedly connected with a support plate (205), and the top of the support plate (205) is fixedly connected with a rebound rod (206).

4. The injection molding apparatus for plastic parts of an automobile as claimed in claim 3, wherein: The support box (201) is located on the inner wall bottom of the back box (104), the inner wall of the support box (201) is slidably connected with the surface of the compression plate (203), and the support column (204) penetrates the top of the support box (201).

5. The injection molding apparatus for plastic parts of an automobile as claimed in claim 3 wherein: The number of the support plate (205) is two, the two support plates (205) are fixedly connected with the mounting block (109), the number of the rebound rod (206) is four, and the surface of the four rebound rods (206) is slidably connected with the inner wall of the fixed groove (112).

6. The injection molding apparatus for plastic parts of an automobile as claimed in claim 1 wherein: The lifting mechanism (3) includes a support frame (301), the top of the support frame (301) is fixedly connected with an air pump (302), the telescopic end of the air pump (302) is fixedly connected with an upper mold (303), the bottom of the upper mold (303) is fixedly connected with a fixed column (304), the left and right sides of the upper mold (303) are fixedly connected with sliding blocks (305), and the bottom of the support frame (301) is fixedly connected with a second sliding rod (306).

7. The injection molding apparatus for molding plastic parts for an automobile of claim 6 wherein: The support frame (301) is located on the top of the workbench (101), the number of the fixed column (304) is provided with four, four the fixed column (304) is above the bottom center symmetry of the mold (303) evenly distributed on the surface, the surface of the fixed column (304) and the inner wall of the fixed groove (112) are connected, the through groove is arranged in the inside of the sliding block (305), and the inner wall of the sliding block (305) and the surface of the second sliding rod (306) are connected.

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