Electric vehicle tail lamp housing mold

Abstract

The application relates to an electric vehicle tail lamp shell mold which comprises a mold base, an injection mold head and a connecting seat, the injection mold head is movably embedded on the top surface of the mold base, the connecting seat is integrally connected on the back surface of the mold base, the top surface of the mold base is provided with an injection cavity, the inside of the injection cavity is movably embedded with a lifting plate, the top surface of the connecting seat is fixedly installed with an electro-hydraulic push rod, and the top surface of the electro-hydraulic push rod is connected with a movable top plate. The electro-hydraulic push rod is operated to drive the movable top plate to descend, then the connecting rod pushes the injection mold head to descend and embed into the injection cavity, hot melt plastic is injected between the injection mold head and the injection cavity through the injection hole, the tail lamp shell is formed by the injection mold head, finally, the electro-hydraulic push rod is controlled to reset, the injection mold head is lifted to separate from the injection cavity, the structure is simple, the operation is convenient, the use is convenient, and the work efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the production technology field of electric vehicle tail lamp, especially to an electric vehicle tail lamp shell mold. BACKGROUND

[0002] Electric vehicle, also known as electric drive vehicle, is divided into alternating current electric vehicle and direct current electric vehicle. The commonly said electric vehicle is a vehicle which takes battery as energy source, converts electric energy into mechanical energy movement through controller and motor, and changes speed by controlling current size. The electric vehicle tail lamp needs to use tail lamp shell mold for injection molding during production. The heated and melted plastic is injected into the mold cavity by the injection molding machine under high pressure, and the electric vehicle lampshade finished product is obtained after cooling and solidification.

[0003] The application number 202022260051.1 discloses an injection mold for making tunnel type optical module structure electric vehicle tail lamp, which comprises a movable mold plate and a fixed mold plate, …, which can reduce the friction damage to the tail lamp cover during ejection. In addition, the injection channel is communicated with the side surface of each forming cavity, which can reduce the sprue left by injection after demolding. However, the existing electric vehicle tail lamp shell mold has poor ejection function and low ejection efficiency. The mold after injection cannot be demolded in time when the mold is opened, which affects the production efficiency and the convenience needs to be improved. In addition, the existing electric vehicle tail lamp shell mold corresponds to a unified model of tail lamp shell, which cannot be quickly replaced according to the actual production model, has poor flexibility, low use range, and is not suitable for small batch and multi-specification tail lamp shell production work. SUMMARY

[0004] In view of the problems of the prior art, the present application provides an electric vehicle tail lamp shell mold to solve the problems of the existing electric vehicle tail lamp shell mold, such as poor ejection function, low ejection efficiency, mold after injection cannot be demolded in time when the mold is opened, which affects the production efficiency and the convenience needs to be improved. In addition, the existing electric vehicle tail lamp shell mold corresponds to a unified model of tail lamp shell, which cannot be quickly replaced according to the actual production model, has poor flexibility, low use range, and is not suitable for small batch and multi-specification tail lamp shell production work.

[0005] The above invention purpose of the present application is realized by the following technical scheme:

[0006] The utility model provides an electric car tail lamp shell mould, including mould base, injection mould head and connecting seat, the injection mould head movablely inlays in the top surface of mould base, the connecting seat integral mode connects on the back of mould base, the top surface of mould base is provided with injection cavity, the inside movablely inlays of injection cavity has the lifting plate, the top surface of connecting seat is fixedly installed with electro hydraulic push rod, the top surface of electro hydraulic push rod is connected with movable roof, the bottom surface front end position of movable roof is fixedly installed with connecting rod, the bottom surface of connecting rod is welded with mounting seat, the top surface both sides position of injection mould head is fixedly installed with connecting lug.

[0007] The utility model discloses in a preferred example can be further configured as: electro hydraulic push rod, movable roof and connecting rod are provided with two groups and are left and right symmetrical arrangement, and the injection mould head is fixedly connected through connecting lug and mounting seat.

[0008] The utility model discloses in a preferred example can be further configured as: the top surface opening of injection mould head is provided with injection hole, the top surface opening of connecting lug is provided with the inlaying groove, and the inside movablely inserts of mounting seat has the clamping joint.

[0009] The utility model discloses in a preferred example can be further configured as: the clamping joint inserts inlaying in the inside of inlaying groove, and the inlaying groove opening shape is '' Phi '', and the clamping joint bottom surface shape is in accord with inlaying groove opening shape.

[0010] The utility model discloses in a preferred example can be further configured as: the inside bottom surface of injection cavity is fixedly installed with compression spring, and the compression spring is provided with four groups and is rectangular array distribution, and the injection mould head movablely inlays in injection cavity.

[0011] The utility model discloses in a preferred example can be further configured as: the bottom surface of lifting plate is fixedly connected with the top end of compression spring, and lifting plate is elastically installed in injection cavity through compression spring.

[0012] The utility model discloses in a preferred example can be further configured as: the four circumferential edges of lifting plate are inlayed with sealing washer, and the outer surface shape of sealing washer is in accord with injection cavity inner wall, and sealing washer is made of rubber material.

[0013] Summarized above, the utility model includes following at least one beneficial technical effect:

[0014] 1. The present application in the process of using, by setting up with electro-hydraulic push rod and injection mold head, electro-hydraulic push rod operation can drive the movable roof to drop, and then make the connecting rod push the injection mold head to drop into the injection cavity, and then inject hot melt plastic between the injection mold head and the injection cavity through the injection hole, use the injection mold head to make the tail lamp shell forming, finally control the electro-hydraulic push rod reset, drive the injection mold head to rise and separate from the injection cavity, simple structure, convenient operation, convenient to use, work efficiency is effectively improved.

[0015] 2. The present application in the process of using, by setting up with mounting seat and connecting lug, the clamping joint is sequentially threaded through the mounting seat and the connecting lug, and is rotated to be clamped in the bottom surface of the fitting groove, realizing the connection between the injection mold head and the connecting rod, rotating the clamping joint to make it coincide with the fitting groove, and pulling it out of the connecting lug, so that the mounting seat and the connecting lug can be separated, and then the injection mold head is detached from the connecting rod, which has high flexibility and can replace injection mold heads of different specifications according to actual processing needs, and the applicability is effectively improved.

[0016] 3. The present application in the process of using, by setting up with lifting plate and compression spring, after the electro-hydraulic push rod drives the injection mold head to drop into the injection cavity, the lifting plate is pressed tightly, and then the compression spring is compressed until the top surface of the injection mold head is flush with the top surface of the mold base, after the injection is completed, the injection mold head rises and separates from the injection cavity, the compression spring rebounds and resets, the lifting plate is pushed up, and then the molded tail lamp shell is ejected from the injection cavity, realizing rapid demolding, high production efficiency, convenient ejection and flexible use.

[0017] 4. The present application in the process of using, by setting up with sealing gasket, the sealing gasket is between the edge of the lifting plate and the inner wall of the injection cavity, filling the gap between them, using its own resilience, good sealing effect is achieved, avoiding the hot melt plastic flowing out through the gap during the injection process, affecting the quality of finished products, the quality of finished products is stable, and the practicality is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the present application;

[0019] Figure 2 It is the injection mold head structure schematic diagram of the present application;

[0020] Figure 3 It is the mold base structure schematic diagram of the present application;

[0021] Figure 4 It is the mold base cross section structure schematic diagram of the present application.

[0022] Mark No. : 1, mold base; 2, injection mold head; 201, injection hole; 3, connecting seat; 4, injection cavity; 401, compression spring; 5, lifting plate; 501, sealing washer; 6, electro-hydraulic push rod; 7, movable top plate; 8, connecting rod; 9, mounting seat; 901, clamping joint; 10, connecting lug; 1001, fitting groove. DETAILED DESCRIPTION

[0023] The application will be further described in detail below with reference to the accompanying drawings.

[0024] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the application provides the following technical solutions: an electric vehicle tail lamp shell mold, comprising a mold base 1, an injection mold head 2 and a connecting seat 3, the injection mold head 2 is movably embedded in the top surface of the mold base 1, the connecting seat 3 is integrally connected to the back surface of the mold base 1, the top surface of the mold base 1 is provided with an injection cavity 4, the inside of the injection cavity 4 movably embeds a lifting plate 5, the top surface of the connecting seat 3 is fixedly installed with an electro-hydraulic push rod 6, the top surface of the electro-hydraulic push rod 6 is connected with a movable top plate 7, the bottom surface of the movable top plate 7 is fixedly installed with a connecting rod 8 at the front end position, the bottom surface of the connecting rod 8 is welded with a mounting seat 9, and the top surface of the injection mold head 2 is fixedly installed with connecting lugs 10 at both sides.

[0025] With reference to Figure 1 , Figure 2 and Figure 3As shown, specifically, the electro-hydraulic push rod 6, the movable top plate 7 and the connecting rod 8 are provided with two groups and are symmetrically arranged, the injection mold head 2 is fixedly connected with the mounting seat 9 through the connecting lug 10; the top surface of the injection mold head 2 is provided with an injection hole 201, the top surface of the connecting lug 10 is provided with a fitting groove 1001, and the inside of the mounting seat 9 is movably inserted with a clamping joint 901; the clamping joint 901 is embedded in the inside of the fitting groove 1001 through the mounting seat 9, the opening shape of the fitting groove 1001 is Φ, and the bottom surface shape of the clamping joint 901 is consistent with the opening shape of the fitting groove 1001, the electro-hydraulic push rod 6 can drive the movable top plate 7 to descend, and then the connecting rod 8 pushes the injection mold head 2 to descend and embed into the injection cavity 4, and then hot melt plastic is injected between the injection mold head 2 and the injection cavity 4 through the injection hole 201, the tail lamp shell is formed by using the injection mold head 2, finally the electro-hydraulic push rod 6 is controlled to reset, driving the injection mold head 2 to rise and separate from the injection cavity 4, the structure is simple, the operation is convenient, the use is convenient, the working efficiency is effectively improved, the clamping joint 901 is sequentially inserted through the mounting seat 9 and the connecting lug 10, and it is rotated to be clamped to the bottom surface of the fitting groove 1001, the connection between the injection mold head 2 and the connecting rod 8 is realized, the clamping joint 901 is rotated to be coincided with the fitting groove 1001, and it is extracted from the connecting lug 10, so that the mounting seat 9 and the connecting lug 10 can be separated, and then the injection mold head 2 is disassembled from the connecting rod 8, the flexibility is high, the purpose of replacing injection mold heads 2 of different specifications according to actual processing needs is realized, and the applicability is effectively improved.

[0026] Referring to Figure 3 and Figure 4 As shown, specifically, the inside bottom surface of the injection cavity 4 is fixedly installed with four groups of compression springs 401 in a rectangular array, and the injection mold head 2 is movably embedded in the injection cavity 4; the bottom surface of the lifting plate 5 is fixedly connected with the top end of the compression spring 401, and the lifting plate 5 is elastically installed in the injection cavity 4 through the compression spring 401; the periphery of the lifting plate 5 is embedded with a sealing gasket 501, the outer surface shape of the sealing gasket 501 is consistent with the inner wall of the injection cavity 4, and the sealing gasket 501 is made of rubber material, after the electro-hydraulic push rod 6 drives the injection mold head 2 to descend into the injection cavity 4, the lifting plate 5 is abutted and descended, and then the compression spring 401 is compressed until the top surface of the injection mold head 2 is flush with the top surface of the mold base 1, after the injection is completed, the injection mold head 2 rises and separates from the injection cavity 4, the compression spring 401 rebounds and resets, the lifting plate 5 is lifted, and then the molded tail lamp shell is ejected from the injection cavity 4, rapid demolding is realized, the production efficiency is high, the ejection is convenient, the use is flexible, the sealing gasket 501 is between the edge of the lifting plate 5 and the inner wall of the injection cavity 4, the gap between the two is filled, the elastic rebound of the sealing gasket 501 is used to achieve good sealing effect, to avoid the hot melt plastic flowing out through the gap during the injection process, affecting the quality of the finished product, the quality of the finished product is stable, and the practicality is effectively improved.

[0027] The use process and working principle of the application: when the application is used, first, the electro-hydraulic push rod 6 operates to drive the movable top plate 7 to descend, and then the connecting rod 8 pushes the injection mold head 2 to descend and embed into the injection cavity 4, and then hot melt plastic is injected between the injection mold head 2 and the injection cavity 4 through the injection hole 201, the tail lamp shell is formed by using the injection mold head 2, finally the electro-hydraulic push rod 6 is controlled to reset, driving the injection mold head 2 to rise and separate from the injection cavity 4, the structure is simple, the operation is convenient, the use is convenient, the working efficiency is effectively improved, the clamping joint 901 is sequentially inserted through the mounting seat 9 and the connecting lug 10, and is rotated to be clamped at the bottom surface of the fitting groove 1001, the connection between the injection mold head 2 and the connecting rod 8 is realized, the clamping joint 901 is rotated to coincide with the fitting groove 1001, and is pulled out from the connecting lug 10, so that the mounting seat 9 and the connecting lug 10 can be separated, and then the injection mold head 2 is disassembled from the connecting rod 8, the flexibility is high, the purpose of replacing different specifications of the injection mold head 2 according to actual processing requirements is realized, the applicability is effectively improved, after the electro-hydraulic push rod 6 drives the injection mold head 2 to descend into the injection cavity 4, the lifting plate 5 is abutted to descend, and then the compression spring 401 is compressed, until the top surface of the injection mold head 2 is flush with the top surface of the mold base 1, after the injection is completed, the injection mold head 2 rises and separates from the injection cavity 4, the compression spring 401 rebounds and resets, the lifting plate 5 is pushed up, and then the molded tail lamp shell is ejected from the injection cavity 4, rapid demolding is realized, the production efficiency is high, the ejection is convenient, the use is flexible, the sealing gasket 501 is between the edge of the lifting plate 5 and the inner wall of the injection cavity 4, the gap between the two is filled, the elastic rebound of the sealing gasket 501 is used to achieve good sealing effect, to avoid the hot melt plastic flowing out through the gap during the injection process, affecting the quality of the finished product, the quality of the finished product is stable, and the practicality is effectively improved.

[0028] The embodiments of the specific embodiment are the preferred embodiments of the application, not limited to the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. An electric vehicle tail lamp housing mold, comprising a mold base (1), an injection mold head (2) and a connecting seat (3), characterized in that: The injection mold head (2) is movably embedded in the top surface of the mold base (1), the connecting seat (3) is integrally connected to the back surface of the mold base (1), the top surface of the mold base (1) is provided with an injection cavity (4), the inside of the injection cavity (4) is movably embedded with a lifting plate (5), the top surface of the connecting seat (3) is fixedly installed with an electro-hydraulic push rod (6), the top surface of the electro-hydraulic push rod (6) is connected with a movable top plate (7), the bottom surface of the movable top plate (7) is fixedly installed with a connecting rod (8) at the front end position, the bottom surface of the connecting rod (8) is welded with a mounting seat (9), and the top surface of the injection mold head (2) is fixedly installed with a connecting lug (10) at both sides. The electro-hydraulic push rod (6), the movable top plate (7) and the connecting rod (8) are provided with two groups and are symmetrically arranged, the injection mold head (2) is fixedly connected with the mounting seat (9) through the connecting lug (10). The top surface of the injection mold head (2) is provided with an injection hole (201), the top surface of the connecting lug (10) is provided with a fitting groove (1001), and the inside of the mounting seat (9) is movably inserted with a clamping joint (901). The inside of the injection cavity (4) is fixedly installed with a compression spring (401), the compression spring (401) is provided with four groups and is distributed in a rectangular array, and the injection mold head (2) is movably embedded in the injection cavity (4). The bottom surface of the lifting plate (5) is fixedly connected with the top end of the compression spring (401), and the lifting plate (5) is elastically installed in the injection cavity (4) through the compression spring (401).

2. The electric vehicle tail lamp housing mold of claim 1, wherein: The clamping joint (901) is embedded in the inside of the fitting groove (1001) through the mounting seat (9), the opening shape of the fitting groove (1001) is "Φ", and the bottom surface shape of the clamping joint (901) is consistent with the opening shape of the fitting groove (1001).

3. The electric vehicle tail lamp housing mold of claim 1, wherein: The lifting plate (5) is movably embedded in the inside of the fitting groove (1001) through the mounting seat (9), the opening shape of the fitting groove (1001) is "Φ", and the bottom surface shape of the clamping joint (901) is consistent with the opening shape of the fitting groove (1001). The four peripheral edges of the lifting plate (5) are embedded with sealing gaskets (501), the outer surface shape of the sealing gasket (501) is consistent with the inner wall of the injection cavity (4), and the sealing gasket (501) is made of rubber material.

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