Four-sliding-block synchronous demolding mold for large angle ejector of headlamp

Abstract

The utility model provides a synchronous demolding mold for four sliding blocks of a large angle ejector of a headlamp, and belongs to the technical field of molds. The mold comprises an upper mold plate and a lower mold plate, four forming cavities which are symmetrically arranged in pairs are arranged between the upper mold plate and the lower mold plate, each forming cavity is formed by combining an upper insert arranged on the upper mold plate and a lower insert arranged on the lower mold plate, and a bottom glue feeding mechanism is arranged on the lower side of the lower mold plate. By arranging the four-sliding-block synchronous demolding mechanism, core pulling can be achieved without the help of power of an oil cylinder, so that the mold can be provided with four cavities, the number of forming cavities in the mold can be increased under the condition that automatic core pulling can be achieved, and therefore the production efficiency can be improved, and glue can be fed from the bottoms of the forming cavities through the bottom glue feeding mechanism; and the glue port is formed in the inner side of the product to reduce the influence of the glue port on the outer surface quality of the product.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a synchronous demoulding mold with a large inclined top and four slide blocks for a headlight. Background Art

[0002] Headlights are generally injection molded. During the injection molding of the headlights, core-pulling mechanisms need to be installed on both sides of the molding cavity. The core-pulling mechanisms in existing molds are mostly driven by cylinders. However, since cylinders are not suitable for being installed inside the mold, the headlight molds are mostly one-mold-one-cavity or one-mold-two-cavity structures, which have low production efficiency.

[0003] For example, a Chinese patent discloses a mold for electric vehicle headlights [application number: 202420326450.9], which includes an upper mold plate, an injection port assembly provided in the upper mold plate and the upper mold base, an upper mold core groove provided at the bottom of the upper mold base, a lower mold core groove provided at the top of the lower mold base, and raised portions and recessed portions provided above the upper mold base and the lower mold base, respectively, concave blocks that cooperate with convex blocks, and limiting columns that cooperate with limiting holes are provided on the upper mold base and the lower mold base, a support block, a lower mold plate and a top plate are provided below the lower mold base, and an inclined ejector rod, a first straight ejector rod, a second straight ejector rod, a third straight ejector rod and a fourth straight ejector rod are provided above the top plate. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and provide a headlight large inclined top four-slide synchronous demoulding die.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A four-slide synchronous demoulding mold for a large inclined top of a headlight comprises an upper template and a lower template. Four forming cavities are arranged symmetrically in pairs between the upper and lower templates. The forming cavities are formed by a combination of an upper insert arranged on the upper template and a lower insert arranged on the lower template. A bottom glue feeding mechanism is provided on the lower side of the lower template. The lower template is also provided with a four-slide synchronous demoulding mechanism corresponding to the four forming cavities.

[0007] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the four-slider synchronous demolding mechanism includes a No. 1 slider core-pulling assembly connected to the outer end of the lower insert, and a No. 2 slider core-pulling assembly and a No. 3 slider core-pulling assembly connected to the inner and outer sides of the inner end of the lower insert.

[0008] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 1 slider core-pulling assembly includes a No. 1 core-pulling slider slidingly set on the lower template, and the inner end of the No. 1 core-pulling slider is fixedly connected to the No. 1 core block that is against the outer end of the lower insert.

[0009] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 1 slider core-pulling assembly also includes a No. 1 driving rod obliquely fixed on the upper template, and the No. 1 driving rod obliquely passes through the No. 1 core-pulling slider and slides with the No. 1 core-pulling slider.

[0010] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 2 slider core-pulling assembly includes a No. 2 core-pulling slider slidingly connected to the lower template, and the No. 2 core-pulling slider is fixedly connected to the No. 2 core block which is against the inner side of the inner end of the lower insert.

[0011] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 2 slider core-pulling assembly also includes a No. 2 driving rod obliquely fixed on the upper template, and the No. 2 driving rod obliquely passes through the No. 2 core-pulling slider and slides with the No. 2 core-pulling slider.

[0012] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 3 slider core-pulling assembly includes a No. 3 core block that is abutted against the outer side of the inner end of the lower insert, and the outer end of the No. 3 core block is fixedly connected to two No. 3 core-pulling sliders, and the No. 3 core-pulling slider is slidably connected to the lower template and the two No. 3 core-pulling sliders are arranged in parallel.

[0013] In the above-mentioned four-slider synchronous demolding mold for the large inclined top of the headlight, the No. 3 slider core-pulling assembly also includes a No. 3 driving rod obliquely fixed on the upper template, and the No. 3 driving rod obliquely passes through the No. 3 core-pulling slider and slides with the No. 3 core-pulling slider.

[0014] In the above-mentioned four-slide synchronous demoulding mold for large inclined top of headlight, the bottom glue feeding mechanism includes an injection liquid diverter plate arranged on the lower side of the lower template, and the injection liquid diverter plate is connected to the molding cavity through a plurality of injection tubes.

[0015] In the above-mentioned large inclined top four-slide synchronous demolding mold for the headlight, a top plate is also provided between the injection liquid diverter plate and the lower template, and a number of straight push rods and a number of inclined push rods are provided on the top plate. A number of lifting cylinders are also fixedly connected on both sides of the lower template, and the output shaft end of the lifting cylinder is connected to the top plate.

[0016] Compared with the existing technology, the advantages of this utility model are:

[0017] 1. By setting up a four-slide synchronous demoulding mechanism, core pulling can be performed without the help of a cylinder power, so the mold can have four cavities in one mold. While automatic core pulling can be achieved, the number of molding cavities in the mold is increased, thereby improving production efficiency. The bottom glue feeding mechanism can feed glue from the bottom of the molding cavity, so that the glue port is formed on the inside of the product to reduce the impact of the glue port on the quality of the product's outer surface.

[0018] 2. When the mold is opened, the first slide core pulling assembly, the second slide core pulling assembly and the third slide core pulling assembly can realize automatic core pulling, without the need to set the oil cylinder, which can not only reduce the cost, but also reduce the limitation of the oil cylinder parts on the number of forming cavities in the mold.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be appreciated by persons skilled in the art upon reading and understanding the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the external structure of the present application;

[0021] Figure 2 is a schematic diagram of the structure at the lower die plate;

[0022] Figure 3 is a schematic diagram of the local structure of the lower die plate;

[0023] Figure 4 is Figure 3 the enlarged schematic view of position A in the middle. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, a front headlight large inclined roof four slide block synchronous demolding mold, comprising an upper die plate 1 and a lower die plate 2, the upper die plate 1 and the lower die plate 2 between the four two two symmetrical setting forming cavity, the forming cavity by setting on the upper die plate 1 on the upper insert 3 and setting on the lower die plate 2 on the lower insert 4 combination, the lower die plate 2 lower side is provided with bottom glue inlet mechanism 5, the lower die plate 2 still be provided with four corresponding to the four forming cavity setting four slide block synchronous demolding mechanism.

[0025] In the present application, by setting four slide block synchronous demolding mechanism can not rely on the power of oil cylinder core pulling, so that the mold can be done four cavities in a mold, in the case of realizing automatic core pulling increases the number of forming cavities in the mold to improve production efficiency, bottom glue inlet mechanism 5 can be from the bottom of the forming cavity glue, so that the glue hole is formed in the inside of the product to reduce the influence of the glue hole on the quality of the product surface.

[0026] Specifically, the four slide block synchronous demolding mechanism comprises a first slide core pulling assembly 6 connected with the outer end of the lower insert 4, and a second slide core pulling assembly 7 and a third slide core pulling assembly 8 connected with the inner and outer sides of the inner end of the lower insert 4. When the mold is opened, the first slide core pulling assembly 6, the second slide core pulling assembly 7 and the third slide core pulling assembly 8 can realize automatic core pulling, without the need to set the oil cylinder, which can not only reduce the cost, but also reduce the limitation of the oil cylinder parts on the number of forming cavities in the mold.

[0027] Specifically, the No. 1 core-pulling slider assembly 6 includes a No. 1 core-pulling slider 9 slidably arranged on the lower mold plate 2. The inner end of the No. 1 core-pulling slider 9 is fixedly connected to the No. 1 core block 10 that abuts against the outer end of the lower insert 4. The No. 1 core-pulling slider assembly 6 also includes a No. 1 driving rod 11 obliquely fixed to the upper mold plate 1. The No. 1 driving rod 11 obliquely penetrates the No. 1 core-pulling slider 9 and slidably cooperates with the No. 1 core-pulling slider 9. When the mold is opened, the upward movement of the upper mold plate can drive the No. 1 core-pulling slider to translate away from the molding cavity through the No. 1 driving rod, thereby realizing the automatic core pulling of the No. 1 core block.

[0028] Specifically, the No. 2 core-pulling slider assembly 7 includes a No. 2 core-pulling slider 12 slidably connected to the lower mold plate 2. The No. 2 core-pulling slider 12 is fixedly connected to the No. 2 core block 13 that abuts the inner side of the inner end of the lower insert 4. The No. 2 core-pulling slider assembly 7 also includes a No. 2 driving rod 14 obliquely fixed to the upper mold plate 1. The No. 2 driving rod 14 obliquely penetrates the No. 2 core-pulling slider 12 and slidably cooperates with the No. 2 core-pulling slider 12. When the mold is opened, the upward movement of the upper mold plate can drive the No. 2 core-pulling slider to translate away from the molding cavity through the No. 2 driving rod, thereby realizing the automatic core pulling of the No. 2 core block.

[0029] Specifically, the No. 3 slider core-pulling assembly 8 includes a No. 3 core block 15 that abuts against the outer side of the inner end of the lower insert 4. Two No. 3 core-pulling sliders 16 are fixedly connected to the outer end of the No. 3 core block 15. The No. 3 core-pulling sliders 16 are slidably connected to the lower mold plate 2 and the two No. 3 core-pulling sliders 16 are arranged in parallel. The No. 3 slider core-pulling assembly 8 also includes a No. 3 driving rod 17 obliquely fixed to the upper mold plate 1. The No. 3 driving rod 17 obliquely penetrates the No. 3 core-pulling slider 16 and slidably cooperates with the No. 3 core-pulling slider 16. When the mold is opened, the upward movement of the upper mold plate can drive the two No. 3 core-pulling sliders to translate away from the molding cavity through the two No. 3 driving rods, thereby realizing automatic core pulling of the No. 3 core block.

[0030] Specifically, the bottom glue feeding mechanism 5 includes an injection liquid diverter plate 18 disposed on the underside of the lower mold plate 2. This diverter plate 18 is connected to the molding cavity via a plurality of injection tubes. This diverter plate, disposed on the underside of the lower mold plate, diverts the injection liquid, which is then injected into the molding cavity from the bottom through the injection tubes. This allows the glue port to be formed inside the product, minimizing its impact on the product's exterior surface quality.

[0031] Specifically, a top plate 19 is provided between the injection liquid diverter plate 18 and the lower mold plate 2. Several straight ejector pins 20 and several inclined ejector pins 21 are installed on the top plate 19. Several lifting cylinders 22 are also fixedly connected to both sides of the lower mold plate 2. The output shaft ends of the lifting cylinders 22 are connected to the top plate 19. After the mold is opened, the action of the lifting cylinders can drive the top plate to rise and fall in the vertical direction. The upward movement of the top plate can apply thrust to the product through the several straight ejector pins and several inclined ejector pins, thereby ejecting the product.

[0032] The working principle of the present invention is as follows: by setting up a four-slide synchronous demoulding mechanism, core pulling can be done without the help of a cylinder power, so that the mold can have four cavities in one mold. Under the condition that automatic core pulling can be achieved, the number of molding cavities in the mold is increased, thereby improving production efficiency. The bottom glue feeding mechanism 5 can feed glue from the bottom of the molding cavity, so that the glue port is formed on the inside of the product to reduce the influence of the glue port on the quality of the product's outer surface. When the mold is opened, the No. 1 slider core pulling assembly 6, the No. 2 slider core pulling assembly 7 and the No. 3 slider core pulling assembly 8 can realize automatic core pulling without the need for a cylinder, which can reduce costs and reduce the limitation of the cylinder components on the number of molding cavities in the mold.

[0033] When the mold is opened, the upper template moves upwards, which can drive the No. 1 core-pulling slider to translate away from the molding cavity through the No. 1 driving rod, thereby realizing the automatic core pulling of the No. 1 core block. The upper template moves upwards, which can drive the No. 2 core-pulling slider to translate away from the molding cavity through the No. 2 driving rod, thereby realizing the automatic core pulling of the No. 2 core block. The upper template moves upwards, which can drive the two No. 3 core-pulling sliders to translate away from the molding cavity through the two No. 3 driving rods, thereby realizing the automatic core pulling of the No. 3 core block.

[0034] The injection liquid diverter plate arranged on the lower side of the lower template can divert the injection liquid and inject the injection liquid into the molding cavity from the bottom of the molding cavity through a number of injection tubes, so that the glue port can be formed on the inside of the product to reduce the impact of the glue port on the quality of the product's outer surface. After the mold is opened, the action of the lifting cylinder can drive the top plate to rise and fall in the vertical direction. The upward movement of the top plate can apply thrust to the product through a number of straight ejectors and a number of inclined ejectors, so that the product can be ejected.

[0035] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A headlight large inclined top four-slide synchronous demoulding mold, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: Four molding cavities are arranged symmetrically in pairs between the upper template (1) and the lower template (2). The molding cavities are formed by combining an upper insert (3) arranged on the upper template (1) and a lower insert (4) arranged on the lower template (2). A bottom glue feeding mechanism (5) is arranged on the lower side of the lower template (2). The lower template (2) is also provided with a four-slider synchronous demoulding mechanism corresponding to the four molding cavities.

2. The headlight large inclined top four-slide synchronous demoulding mold according to claim 1 is characterized in that: The four-slider synchronous demoulding mechanism includes a first slider core-pulling assembly (6) connected to the outer end of the lower insert (4), and a second slider core-pulling assembly (7) and a third slider core-pulling assembly (8) connected to the inner and outer sides of the inner end of the lower insert (4).

3. The headlight large inclined top four-slide synchronous demoulding mold according to claim 2, characterized in that: The No. 1 core-pulling slider assembly (6) includes a No. 1 core-pulling slider (9) slidably arranged on the lower template (2), and the inner end of the No. 1 core-pulling slider (9) is fixedly connected to the No. 1 core block (10) that abuts against the outer end of the lower insert (4).

4. The headlight large inclined top four-slide synchronous demoulding mold according to claim 3 is characterized in that: The No. 1 core-pulling slider assembly (6) further comprises a No. 1 driving rod (11) obliquely fixed on the upper template (1); the No. 1 driving rod (11) obliquely penetrates the No. 1 core-pulling slider (9) and slides in cooperation with the No. 1 core-pulling slider (9).

5. The headlight large inclined top four-slide synchronous demoulding mold according to claim 2, characterized in that: The No. 2 core-pulling slider assembly (7) includes a No. 2 core-pulling slider (12) slidably connected to the lower template (2), and a No. 2 core block (13) is fixedly connected to the No. 2 core-pulling slider (12) and abuts against the inner side of the inner end of the lower insert (4).

6. The headlight large inclined top four-slide synchronous demoulding mold according to claim 5, characterized in that: The No. 2 core-pulling slider assembly (7) further comprises a No. 2 driving rod (14) fixed obliquely on the upper template (1); the No. 2 driving rod (14) obliquely penetrates the No. 2 core-pulling slider (12) and slides in cooperation with the No. 2 core-pulling slider (12).

7. The headlight large inclined top four-slide synchronous demoulding mold according to claim 2, characterized in that: The No. 3 slider core-pulling assembly (8) includes a No. 3 core block (15) that abuts against the outer side of the inner end of the lower insert (4); the outer end of the No. 3 core block (15) is fixedly connected to two No. 3 core-pulling sliders (16); the No. 3 core-pulling sliders (16) are slidably connected to the lower template (2) and the two No. 3 core-pulling sliders (16) are arranged in parallel.

8. The headlight large inclined top four-slide synchronous demoulding mold according to claim 7, characterized in that: The No. 3 slider core-pulling assembly (8) further comprises a No. 3 driving rod (17) obliquely fixed on the upper template (1); the No. 3 driving rod (17) obliquely penetrates the No. 3 core-pulling slider (16) and slides in cooperation with the No. 3 core-pulling slider (16).

9. The headlight large inclined top four-slide synchronous demoulding mold according to claim 1, characterized in that: The bottom glue feeding mechanism (5) comprises an injection liquid diverter plate (18) arranged on the lower side of the lower template (2), and the injection liquid diverter plate (18) is connected to the molding cavity through a plurality of injection tubes.

10. The headlight large inclined top four-slide synchronous demoulding mold according to claim 9, characterized in that: A top plate (19) is provided between the injection liquid diverter plate (18) and the lower template (2), and a plurality of straight push rods (20) and a plurality of inclined push rods (21) are provided on the top plate (19). A plurality of lifting cylinders (22) are also fixedly connected to both sides of the lower template (2), and the output shaft ends of the lifting cylinders (22) are connected to the top plate (19).

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