Plug connector terminal shell mold

Abstract

The utility model relates to the technical field of terminals, in particular to a connector terminal shell mold which comprises a first mold body and a mold base, a first forming cavity is formed in the center of the top end of the mold base, and a sealing groove is formed in the upper portion of the inner wall of the first forming cavity. The inner wall of the bottom end of the first forming cavity is further provided with two second forming cavities which are oppositely arranged in parallel, the first forming cavity communicates with the second forming cavities, a first injection molding part is formed in the first forming cavity, second injection molding parts are formed in the second forming cavities, and a round block is fixedly connected to the center of the bottom end of the first forming cavity; top blocks are arranged on the two sides of the round block, a first mold body is buckled to the top end of the mold base, and a sealing piece matched with the sealing groove is arranged in the middle of the bottom end of the first mold body. The electric air cylinder pushes the ejector block upwards through the ejector rod till the formed first injection molding part and the formed second injection molding part are ejected out of the first forming cavity and the second forming cavity, and therefore the purpose of demolding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of terminals, in particular to a connector terminal housing mould. Background Art

[0002] Terminal blocks are gradually widely used in various fields, including signal terminals, power terminals, connection terminals, etc. They are the connection ends in the circuit. Terminals are the parts that connect the battery to the external conductor. Their main function is to transmit electrical signals or conduct electricity. In electrical engineering, terminals mostly refer to wiring terminals, also called wiring terminals, which are divided into single-hole, double-hole, socket, hook, etc., and divided by materials, such as silver-plated copper, zinc-plated copper, copper, aluminum, iron, etc.

[0003] The function of the terminal is mainly to transmit electrical signals or conduct electricity. The connector terminal housing is usually injection molded, but the existing connector terminal housing mold is not easy to demould during use, which will reduce production efficiency.

[0004] For this purpose, we propose a connector terminal housing mold. Utility Model Content

[0005] The main purpose of the utility model is to provide a connector terminal housing mold, in which an electric cylinder pushes a top block upwards through a push rod until the first injection-molded part and the second injection-molded part are ejected from the first molding cavity and the second molding cavity, thereby achieving the purpose of demolding, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A connector terminal housing mold, comprising a first mold body and a mold base, wherein a first molding cavity is provided at the center of the top of the mold base, a sealing groove is provided at the upper part of the inner wall of the first molding cavity, and two second molding cavities arranged relatively parallel are further provided on the inner wall of the bottom end of the first molding cavity, the first molding cavity is communicated with the second molding cavity, a first injection molded part is formed in the first molding cavity, and a second injection molded part is formed in the second molding cavity, a round block is fixedly connected at the center of the bottom end of the first molding cavity, top blocks are provided on both sides of the round block, the first mold body is buckled with the top of the mold base, and a sealing part adapted to the sealing groove is provided at the center of the bottom end of the first mold body;

[0008] An installation cavity for installing an electric cylinder is provided in the center of the mold base, a bottom plate is fixedly fastened at the bottom end of the mold base at the location of the installation cavity, and the electric cylinder is connected to the ejector block via an ejector rod.

[0009] By adopting the above technical solution and designing the seal, the sealing between the first mold body and the mold base can be improved, and the injection liquid can be easily injected into the first molding cavity and the second molding cavity through the injection tube, thereby facilitating the molding of the connector terminal housing.

[0010] Specifically, an embedding groove for installing a top block is provided on the inner wall of the bottom end of the first molding cavity, and the top block is located in the embedding groove.

[0011] Specifically, a channel for the ejector rod to pass through is provided on the inner wall at the top end of the installation cavity, and the channel is communicated with the installation cavity and the channel respectively.

[0012] Specifically, the bottom end of the electric cylinder is fixedly connected to the upper surface of the bottom plate, and the top end of the electric cylinder is connected to the bottom end of the push rod.

[0013] Specifically, two groups of the second injection molded parts are relatively parallel, and the first injection molded parts and the second injection molded parts are integrally formed.

[0014] Specifically, a through hole matching the round block is provided at the center of the top end of the first injection molded part.

[0015] Beneficial effects of the utility model:

[0016] (1) The connector terminal housing mold described in the utility model can improve the sealing between the first mold body and the mold base through the design of the sealing member, and facilitate the injection of injection liquid into the first molding cavity and the second molding cavity through the injection tube, thereby facilitating the molding of the connector terminal housing;

[0017] (2) In the connector terminal housing mold described in the utility model, the electric cylinder pushes the ejector block upward through the ejector rod until the first injection molded part and the second injection molded part are ejected from the first molding cavity and the second molding cavity, thereby achieving the purpose of demolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the mold base of the utility model;

[0021] Figure 3 This is a three-dimensional diagram of the first injection molded part of the utility model;

[0022] In the figure: 1. first mold body; 2. mold base; 3. sealing groove; 4. first molding cavity; 5. second molding cavity; 6. sealing member; 7. round block; 8. top block; 9. mounting cavity; 10. bottom plate; 11. electric cylinder; 12. ejector rod; 13. channel; 14. first injection molded part; 15. second injection molded part; 16. through hole. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] As an embodiment of the present utility model, Figure 1-Figure 3 As shown, a plug-in terminal housing mold described in the utility model includes a first mold body 1 and a mold base 2, a first molding cavity 4 is provided at the center of the top of the mold base 2, a sealing groove 3 is provided on the upper part of the inner wall of the first molding cavity 4, and two second molding cavities 5 arranged relatively parallel are also provided on the inner wall of the bottom end of the first molding cavity 4, the first molding cavity 4 is communicated with the second molding cavity 5, a first injection molded part 14 is formed in the first molding cavity 4, and a second injection molded part 15 is formed in the second molding cavity 5, a round block 7 is fixedly connected at the center of the bottom end of the first molding cavity 4, and top blocks 8 are provided on both sides of the round block 7, the first mold body 1 is buckled at the top of the mold base 2, and a sealing part 6 adapted to the sealing groove 3 is provided at the center of the bottom end of the first mold body 1;

[0025] A mounting cavity 9 for mounting an electric cylinder 11 is provided at the center of the mold base 2 , and a bottom plate 10 is fixedly fastened at the bottom end of the mold base 2 at the location of the mounting cavity 9 . The electric cylinder 11 is connected to the ejector block 8 via an ejector rod 12 .

[0026] When in use, one end of the first mold body 1 is connected to an injection tube, through which casting liquid can be injected into the first molding cavity 4 and the second molding cavity 5. After cooling, a first injection molded part 14 and a second injection molded part 15 are formed, and the first injection molded part 14 and the two second injection molded parts 15 are integrally formed.

[0027] The utility model also includes that the inner wall of the bottom end of the first molding cavity 4 is provided with an embedding groove for installing the top block 8, and the top block 8 is located in the embedding groove.

[0028] The utility model also includes that the inner wall at the top end of the installation cavity 9 is provided with a channel 13 for the ejector rod 12 to pass through, and the channel 13 is communicated with the installation cavity 9 and the channel 13 respectively.

[0029] The utility model also includes that the bottom end of the electric cylinder 11 is fixedly connected to the upper end surface of the bottom plate 10 , and the top end of the electric cylinder 11 is connected to the bottom end of the push rod 12 .

[0030] The utility model also includes that two groups of the second injection molded parts 15 are relatively parallel and the first injection molded parts 14 and the second injection molded parts 15 are integrally formed.

[0031] The utility model also includes that a through hole 16 matching with the round block 7 is provided at the center of the top of the first injection molded part 14 .

[0032] When the utility model is used, the first mold body 1 is firstly buckled on the top of the mold base 3, the seal 6 at the center of the bottom end of the first mold body 1 is embedded in the seal groove 3, and then the casting liquid is injected into the first molding cavity 4 and the second molding cavity 5 through the injection tube, and the first injection molded part 14 and the second injection molded part 15 are formed after cooling, and the first injection molded part 14 and the two second injection molded parts 15 are integrally formed;

[0033] When demolding, first remove the first mold body 1 from the top of the mold base 2, and then the electric cylinder 11 pushes the ejector block 8 upward through the ejector rod 12 until the molded first injection molded part 14 and the second injection molded part 15 are ejected from the first molding cavity 4 and the second molding cavity 5, and then they are taken out of the mold base 3.

[0034] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A connector terminal housing mold, characterized in that: The mold base (2) comprises a first mold body (1) and a mold base (2), wherein a first molding cavity (4) is provided at the center of the top end of the mold base (2), a sealing groove (3) is provided at the upper part of the inner wall of the first molding cavity (4), and two second molding cavities (5) are provided at the bottom inner wall of the first molding cavity (4) and are arranged in parallel with each other, the first molding cavity (4) is communicated with the second molding cavity (5), a first injection molded part (14) is formed in the first molding cavity (4), and a second injection molded part (15) is formed in the second molding cavity (5), a round block (7) is fixedly connected at the center of the bottom end of the first molding cavity (4), and top blocks (8) are provided on both sides of the round block (7), the first mold body (1) is buckled at the top end of the mold base (2), and a sealing part (6) adapted to the sealing groove (3) is provided at the center of the bottom end of the first mold body (1); A mounting cavity (9) for mounting an electric cylinder (11) is provided at the center of the mold base (2); a bottom plate (10) is fixedly fastened to the mounting cavity (9) at the bottom end of the mold base (2); and the electric cylinder (11) is connected to the top block (8) via a top rod (12).

2. A connector terminal housing mold according to claim 1, characterized in that: An embedding groove for mounting a top block (8) is provided on the inner wall of the bottom end of the first molding cavity (4), and the top block (8) is located in the embedding groove.

3. A connector terminal housing mold according to claim 1, characterized in that: The inner wall at the top end of the installation cavity (9) is provided with a channel (13) for the ejector rod (12) to pass through, and the channel (13) is communicated with the installation cavity (9) and the channel (13) respectively.

4. A connector terminal housing mold according to claim 1, characterized in that: The bottom end of the electric cylinder (11) is fixedly connected to the upper end surface of the bottom plate (10), and the top end of the electric cylinder (11) is connected to the bottom end of the push rod (12).

5. The connector terminal housing mold according to claim 1, characterized in that: The second injection molded parts (15) are provided in two groups relatively parallel to each other, and the first injection molded parts (14) and the second injection molded parts (15) are integrally formed.

6. A connector terminal housing mold according to claim 1, characterized in that: A through hole (16) adapted to the round block (7) is provided at the center of the top end of the first injection molded part (14).

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