Injection mold for lampshade of rear tail lamp of electric vehicle

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for a tail lamp lampshade of an electric vehicle. The mold comprises a movable mold plate, a movable mold base is arranged on one side of the movable mold plate, a fixed mold base is pressed on the other side of the movable mold base, a movable mold core block and a fixed mold core block are arranged on the inner side of the movable mold base and the inner side of the fixed mold base respectively, and meanwhile the movable mold core block and the fixed mold core block are provided with a first forming cavity and a second forming cavity respectively. A supporting block and a fixed mold plate are arranged on one side of the fixed mold base, a limiting column and a supporting column are arranged on the inner side of the fixed mold plate, a top plate is sleeved outside the limiting column and the supporting column, and a top column and a top rod are arranged in the top plate. The cost and the labor force are reduced, and secondary remodeling is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to an injection mold for a lampshade of a rear tail lamp of an electric vehicle. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by an injection molding machine, and after cooling and solidification, a molded product is obtained. The shape of the existing electric vehicle rear taillight lampshade is relatively complex. After the injection molding is completed, it is easy to get stuck on the internal structure of the mold, and many parts are removed when the material is hot, which will cause the lampshade to deform or break, resulting in a high scrap rate, increased production costs and labor, and secondary reshaping. Therefore, in response to the above problems, an electric vehicle rear taillight lampshade injection mold is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides an injection mold for a lampshade of a rear tail lamp of an electric vehicle.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A rear tail lamp cover injection mold for an electric vehicle comprises a movable mold plate, a movable mold seat is provided on one side of the movable mold plate, and an injection port assembly is inserted between the movable mold plate and the movable mold seat, a fixed mold seat is pressed on the other side of the movable mold seat, and a movable mold core block is provided in the movable mold seat, and a fixed mold core block is provided in the fixed mold seat, two side walls of the movable mold core block are inserted in two side walls of the fixed mold core block, and a cavity is formed between the movable mold core block and the fixed mold core block, a support block is provided on the other side of the fixed mold seat, and a fixed mold plate is provided on the other side of the support block, and a top plate is provided on the inner side of the fixed mold plate, a limiting column and a supporting column are provided on the inner side of the fixed mold plate, and the other end of the limiting column is inserted in the fixed mold seat, and the top of the support column is placed on the side of the fixed mold seat, a push column and a push rod are provided on the top plate, and one end of the push column is placed on a side of the movable mold seat, and one end of the push rod is inserted in the fixed mold core block.

[0006] In the above-mentioned injection mold for the rear taillight cover of the electric vehicle, one side of the movable mold plate is fixedly connected to the movable mold base, and the middle of the movable mold plate is fixedly connected to the injection port assembly, and at the same time, one end of the injection port assembly is inserted into the middle of the movable mold base, and a movable mold core groove is opened on the other side of the movable mold plate, and a movable mold core block is fixedly inserted into the movable mold core groove.

[0007] In the above-mentioned electric vehicle taillight lampshade injection mold, a first molding cavity is opened on the other side of the movable mold core block, and protrusions are provided at both ends of the other side of the movable mold core block, and the injection port of the injection port assembly is flush with the bottom of the first molding cavity.

[0008] In the above-mentioned electric vehicle taillight lampshade injection mold, a second molding cavity is opened on one side of the fixed mold core block, and recessed parts are provided at both ends of one side of the fixed mold core block, and protruding parts are inserted into the recessed parts, and the second molding cavity is pressed into the first molding cavity.

[0009] In the above-mentioned injection mold for the rear taillight cover of the electric vehicle, a fixed mold core groove is opened in the side of the fixed mold seat, and a fixed mold core block is fixedly connected in the fixed mold core groove, positioning holes are opened at the four corners of the movable mold seat, and positioning columns are fixedly connected at the four corners of one side of the fixed mold seat, and the positioning columns are inserted into the sliding connection positioning holes.

[0010] In the above-mentioned electric vehicle taillight lampshade injection mold, the two ends of the other side of the fixed mold base are fixedly connected to the support blocks, and the other ends of the two support blocks are fixedly connected to the two ends of the side of the fixed mold plate, and the inner side of the fixed mold plate is fixedly connected to multiple limit columns and multiple support columns.

[0011] In the above-mentioned electric vehicle taillight lampshade injection mold, the limiting column and the supporting column are provided with a sliding connection top plate outside, and there is a gap between the side of the top plate and the inner side of the fixed mold plate, and one end of the limiting column is inserted into the side of the sliding connection fixed mold seat.

[0012] In the above-mentioned injection mold for the rear taillight cover of the electric vehicle, the bottoms of multiple top columns and the bottoms of multiple top rods are fixedly connected in the top plate, and the multiple top columns are equidistantly distributed around the periphery of the multiple top rods.

[0013] In the above-mentioned injection mold for the rear taillight cover of the electric vehicle, the middle part of the top column passes through the two ends of the sliding connection fixed mold base, and the end of the top column passes through the end tightly fits with the side of the movable mold base.

[0014] In the above-mentioned electric vehicle taillight lampshade injection mold, the fixed mold seat and the fixed mold core block are both provided with a socket portion, and one end of the sliding connecting push rod is inserted into the socket portion, and the insertion end port of the push rod is flush with the bottom of the second molding cavity.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model provides a movable mold seat on one side of the movable mold plate, presses the fixed mold seat on the other side of the movable mold seat, and the inner side of the movable mold seat and the inner side of the fixed mold seat are respectively provided with a movable mold core block and a fixed mold core block, and the movable mold core block and the fixed mold core block are respectively provided with a first molding cavity and a second molding cavity, a support block and a fixed mold plate are provided on one side of the fixed mold seat, and a limit column and a support column are provided on the inner side of the fixed mold plate, both of which are covered with a top plate on the outside, and a top column and a top rod are provided in the top plate, and the cooperation of the top column and the top rod is utilized to make the mold perform a secondary demolding mode, thereby preventing the lampshade from being deformed or pulled, reducing the scrap rate, reducing the cost and labor, and avoiding secondary reshaping.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is an overall exploded top view of the utility model.

[0020] Figure 3 It is an overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 It is a schematic top view of the structure coordination at the top of the upper die seat of the utility model;

[0022] Figure 5 It is a top view schematic diagram of the internal structure of the lower die base of the utility model.

[0023] In the figure: 1. movable mold plate; 2. injection port assembly; 3. movable mold seat; 31. movable mold core groove; 4. fixed mold seat; 41. fixed mold core groove; 5. support block; 6. fixed mold plate; 7. movable mold core block; 71. first molding cavity; 72. raised portion; 8. fixed mold core block; 81. second molding cavity; 82. recessed portion; 83. socket portion; 9. positioning hole; 10. positioning column; 11. top plate; 12. ejector column; 13. limit column; 14. support column; 15. ejector rod. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5 As shown, an injection mold for a rear taillight cover of an electric vehicle comprises a movable mold plate 1, a movable mold seat 3 is provided on one side of the movable mold plate 1, and an injection port assembly 2 is inserted between the movable mold plate 1 and the movable mold seat 3, a fixed mold seat 4 is pressed on the other side of the movable mold seat 3, and a movable mold core block 7 is provided in the movable mold seat 3, and a fixed mold core block 8 is provided in the fixed mold seat 4, and the two side walls of the movable mold core block 7 are inserted in the two side walls of the fixed mold core block 8, and a cavity is formed between the movable mold core block 7 and the fixed mold core block 8, and the fixed mold seat 4 A support block 5 is provided on the other side, and a fixed mold plate 6 is provided on the other side of the support block 5. At the same time, a top plate 11 is provided on the inner side of the fixed mold plate 6. A limiting column 13 and a support column 14 are provided on the inner side of the fixed mold plate 6, and the other end of the limiting column 13 is inserted in the fixed mold seat 4. At the same time, the top of the support column 14 is placed on the side of the fixed mold seat 4. A top column 12 and a top rod 15 are provided on the top plate 11, and one end of the top column 12 is placed on a side of the movable mold seat 3. At the same time, one end of the top rod 15 is inserted in the fixed mold core block 8.

[0026] The movable mold base 3 is fixedly connected to one side of the movable mold plate 1, and the middle of the movable mold plate 1 is fixedly connected to the injection port assembly 2. At the same time, one end of the injection port assembly 2 is inserted into the middle of the movable mold base 3. A movable mold core groove 31 is opened on the other side of the movable mold plate 1, and a movable mold core block 7 is fixedly inserted into the movable mold core groove 31.

[0027] Furthermore, a first molding cavity 71 is opened on the other side of the movable mold core block 7 , and protrusions 72 are provided at both ends of the other side of the movable mold core block 7 , and the injection port of the injection port assembly 2 is flush with the bottom of the first molding cavity 71 .

[0028] An injection port assembly 2 is provided in the middle of the movable mold plate 1, so that the injection port assembly 2 is inserted into the movable mold base 3 and the movable mold core block 7, so that the injection port assembly 2 can inject injection liquid into the mold to form the interior.

[0029] Furthermore, a second molding cavity 81 is opened on one side of the fixed mold core block 8, and recessed portions 82 are provided at both ends of one side of the fixed mold core block 8, and the protruding portions 72 are inserted into the recessed portions 82, so that the second molding cavity 81 and the first molding cavity 71 are pressed into a molding cavity.

[0030] After one side of the movable mold core block 7 and one side of the fixed mold core block 8 are pressed together, the first molding cavity 71 and the second molding cavity 81 are respectively provided inside the two, and the internal mold cavity is completed. At the same time, the raised part 72 of the movable mold core block 7 cooperates with the recessed part 82 of the fixed mold core block 8, so that the internal injection liquid will not overflow.

[0031] Furthermore, a fixed mold core groove 41 is opened in the side of the fixed mold seat 4, and a fixed mold core block 8 is fixedly connected in the fixed mold core groove 41, positioning holes 9 are opened at the four corners of the movable mold seat 3, and positioning columns 10 are fixedly connected at the four corners of one side of the fixed mold seat 4, and the positioning columns 10 are inserted into the sliding connection positioning holes 9.

[0032] After the movable mold core block 7 and the fixed mold core block 8 are pressed together, the movable mold base 3 and the fixed mold base 4 provided outside are pressed together, and the positioning holes 9 on the movable mold base 3 cooperate with the positioning columns 10 on the fixed mold base 4 to ensure that there is no deviation during mold closing.

[0033] The two ends of the other side of the fixed mold base 4 are fixedly connected to the support block 5, and the other ends of the two support blocks 5 are fixedly connected to the two ends of the side of the fixed mold plate 6. The inner side of the fixed mold plate 6 is fixedly connected to multiple limit columns 13 and multiple support columns 14.

[0034] Furthermore, the limiting column 13 and the supporting column 14 are externally provided with a sliding connection to the top plate 11 , and there is a gap between the side of the top plate 11 and the inner side of the fixed mold plate 6 , and one end of the limiting column 13 is inserted into the side of the sliding connection fixed mold seat 4 .

[0035] The fixed mold plate 6 is provided with a limiting column 13 and a supporting column 14 in order to install and limit and support the fixed mold base 4 so that the fixed mold base 4 and the fixed mold plate 6 are integrated.

[0036] Furthermore, the bottoms of the plurality of top columns 12 and the bottoms of the plurality of top rods 15 are fixedly connected inside the top plate 11 , and the plurality of top columns 12 are evenly distributed around the periphery of the plurality of top rods 15 .

[0037] Furthermore, the middle portion of the ejector column 12 passes through and is slidably connected to the two ends of the fixed mold base 4 , and the ejector column 12 passes through and the end ports are tightly fitted with the side surfaces of the movable mold base 3 .

[0038] Since the top plate 11 is between the fixed mold base 4 and the fixed mold plate 6, the external force can push the top plate 11 to move by the internally attached limit columns 13 and the support columns 14. When the top plate 11 moves, the top columns 12 can eject the movable mold base 3.

[0039] Furthermore, both the fixed mold base 4 and the fixed mold core block 8 are provided with a socket portion 83 , and one end of the sliding connection push rod 15 is inserted into the socket portion 83 , and the insertion end of the push rod 15 is flush with the bottom of the second molding cavity 81 .

[0040] The ejector pin 15 provided on the ejector plate 11 is inserted into the fixed mold core block 8, and the top end of the ejector pin 15 is inserted into the molding cavity, so that the product can be ejected during demoulding.

[0041] Working principle:

[0042] A movable mold seat 3 is provided on one side of the movable mold plate 1, and a fixed mold seat 4 is pressed on the other side of the movable mold seat 3, and a movable mold core block 7 and a fixed mold core block 8 are respectively provided on the inner side of the movable mold seat 3 and the inner side of the fixed mold seat 4, and at the same time, a first molding cavity 71 and a second molding cavity 81 are respectively provided at the pressing position of the movable mold core block 7 and the fixed mold core block 8, and are pressed together to form a complete mold cavity, and the injection port assembly 2 is inserted into the movable mold plate 1, the movable mold seat 3 and the movable mold core block 7, so that the injection port assembly 2 injects injection liquid into the complete mold cavity composed of the first molding cavity 71 and the second molding cavity 81, so that a product part is formed inside thereof, and a support block 5 is provided on one side of the fixed mold seat 4 to be connected with the fixed mold plate 6, and a limiting column 13 and a supporting column 14 are provided on the inner side of the fixed mold plate 6, and the outer sides of the two are covered with a top plate 11, and the limiting column 13 and the supporting column 14 are provided. The end is inserted into the fixed mold seat 4 for limiting, and a push column 12 and a push rod 15 are provided in the top plate 11, and the port after one end of the push column 12 passes through the fixed mold seat 4 is tightly fitted with the movable mold seat 3, and at the same time, the port after one end of the push rod 15 passes through the fixed mold seat 4 and the fixed mold core block 8 is placed at the bottom of the second molding cavity 81. When demolding, the top plate 11 is subjected to external force and will move toward the fixed mold seat 4. First, the push column 12 will push open the structure in the direction of the movable mold seat 3, so that the movable mold core block 7 is disengaged from the fixed mold core block 8, and the internal product parts are leaked. At this time, the product parts are still on the fixed mold core block 8, and then the ports of the push rod 15 are all placed on one side of the product parts, so that the push rod 15 will then push the product parts out of the second molding cavity 81 of the fixed mold core block 8, and the mold opening is completed.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0044] Although this article uses more terms such as 1, movable platen; 2, injection port assembly; 3, movable mold seat; 31, movable mold core groove; 4, fixed mold seat; 41, fixed mold core groove; 5, support block; 6, fixed platen; 7, movable mold core block; 71, first molding cavity; 72, raised portion; 8, fixed mold core block; 81, second molding cavity; 82, recessed portion; 83, plug portion; 9, positioning hole; 10, positioning column; 11, top plate; 12, top column; 13, limit column; 14, support column; 15, ejector pin, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. An injection mold for a taillight cover of an electric vehicle, comprising a movable mold plate (1), characterized in that: A movable mold base (3) is provided on one side of the movable mold plate (1), and an injection port assembly (2) is inserted between the movable mold plate (1) and the movable mold base (3); a fixed mold base (4) is pressed on the other side of the movable mold base (3), and a movable mold core block (7) is provided in the movable mold base (3), and a fixed mold core block (8) is provided in the fixed mold base (4); two side walls of the movable mold core block (7) are inserted in two side walls of the fixed mold core block (8), and a mold cavity is formed between the movable mold core block (7) and the fixed mold core block (8); a support block (5) is provided on the other side of the fixed mold base (4), and A fixed mold plate (6) is provided on the other side of the support block (5), and a top plate (11) is provided on the inner side of the fixed mold plate (6). A limiting column (13) and a supporting column (14) are provided on the inner side of the fixed mold plate (6), and the other end of the limiting column (13) is inserted into the fixed mold seat (4), and the top of the supporting column (14) is placed on the side of the fixed mold seat (4). A top column (12) and a top rod (15) are provided on the top plate (11), and one end of the top column (12) is placed on a side of the movable mold seat (3), and one end of the top rod (15) is inserted into the fixed mold core block (8).

2. The electric vehicle taillight cover injection mold according to claim 1, characterized in that: One side of the movable platen (1) is fixedly connected to the movable mold base (3), and the middle of the movable platen (1) is fixedly connected to the injection port assembly (2), and one end of the injection port assembly (2) is inserted into the middle of the movable mold base (3). The other side of the movable platen (1) is provided with a movable mold core groove (31), and a movable mold core block (7) is fixedly inserted into the movable mold core groove (31).

3. The electric vehicle taillight cover injection mold according to claim 2, characterized in that: A first molding cavity (71) is provided on the other side of the movable mold core block (7), and protrusions (72) are provided at both ends of the other side of the movable mold core block (7), and the injection port of the injection port assembly (2) is flush with the inner bottom of the first molding cavity (71).

4. The electric vehicle taillight cover injection mold according to claim 3, characterized in that: A second molding cavity (81) is provided on one side of the fixed mold core block (8), and recessed portions (82) are provided at both ends of one side of the fixed mold core block (8), a protruding portion (72) is inserted into the recessed portion (82), and the second molding cavity (81) and the first molding cavity (71) are pressed together to form a molding cavity.

5. The electric vehicle taillight cover injection mold according to claim 4, characterized in that: A fixed mold core groove (41) is provided in the side of the fixed mold seat (4), and a fixed mold core block (8) is fixedly inserted into the fixed mold core groove (41); positioning holes (9) are provided at four corners of the movable mold seat (3); positioning columns (10) are fixedly connected at four corners of one side of the fixed mold seat (4), and the positioning columns (10) are inserted into the slidably connected positioning holes (9).

6. The electric vehicle taillight cover injection mold according to claim 5, characterized in that: The two ends of the other side of the fixed mold base (4) are fixedly connected to the support blocks (5), and the other ends of the two support blocks (5) are fixedly connected to the two ends of the side of the fixed mold plate (6), and the inner side of the fixed mold plate (6) is fixedly connected to a plurality of limit columns (13) and a plurality of support columns (14).

7. The electric vehicle taillight cover injection mold according to claim 6, characterized in that: The limiting column (13) and the supporting column (14) are provided with a sliding connection top plate (11) on the outer surface, and there is a gap between the side surface of the top plate (11) and the inner side of the fixed mold plate (6), and at the same time, one end of the limiting column (13) is inserted into the side surface of the sliding connection fixed mold seat (4).

8. The electric vehicle taillight cover injection mold according to claim 7, characterized in that: The top plate (11) is internally fixedly connected with the bottoms of a plurality of top columns (12) and the bottoms of a plurality of top rods (15), and the plurality of top columns (12) are equidistantly distributed around the periphery of the plurality of top rods (15).

9. The electric vehicle taillight lampshade injection mold according to claim 8, characterized in that: The middle part of the top column (12) passes through the two ends of the fixed mold base (4) for sliding connection, and the end of the top column (12) is tightly fitted with the side of the movable mold base (3).

10. The electric vehicle taillight cover injection mold according to claim 9, characterized in that: The fixed mold base (4) and the fixed mold core block (8) are both provided with an insertion hole (83), and one end of a sliding connecting push rod (15) is inserted into the insertion hole (83), and the insertion end of the push rod (15) is flush with the bottom of the second molding cavity (81).

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