Male terminal, male terminal processing technology and male terminal processing equipment

Abstract

The application discloses a male terminal, a male terminal processing technology and a male terminal processing device. The first conductor and the second conductor of the male terminal are arranged side by side. An insulator is arranged between the first conductor and the second conductor of the male terminal. The insulator connects the first conductor and the second conductor. A first crimping part is arranged at one end of the first conductor. A second crimping part is arranged at one end of the second conductor close to the first crimping part. Two wires can be arranged outside. One of the wires can be crimped with the first crimping part. The other wire can be crimped with the second crimping part. The first crimping part and the second crimping part are oppositely arranged and not conductive. Thus, the first conductor and the second conductor of the male terminal can maintain a certain structural strength through the connection of the insulator. In the case of ensuring low impedance, the male terminal can be maintained in a small size to adapt to a small installation space terminal.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of connectors, in particular to a male terminal, a male terminal processing technology and a male terminal processing device. BACKGROUND

[0002] Terminals are generally used in wiring harnesses, and are generally used for connection between electronic modules or electronic devices, and are particularly used in the fields of automobiles, aerospace, home appliances, etc. The existing connector has several separate terminals arranged in the external shell, which are used for connection with external signal lines and power lines. Since the terminals are independent of each other, even by arranging a partition plate in the terminal sleeve, the terminals are installed on both sides of the partition plate to achieve partitioning, thereby avoiding short circuit and other failure conditions. As a result, the external size of the connector is relatively large, which is not suitable for narrow installation space. SUMMARY

[0003] The main purpose of the present application is to provide a male terminal, a male terminal processing technology and a male terminal processing device, which aims to solve the problem of large external size of the connector in the prior art, which is not suitable for narrow assembly space.

[0004] To achieve the above-mentioned purpose, the present application provides a processing technology of a male terminal, comprising the following steps:

[0005] The base material is cut from the middle to form a first conductor and a second conductor side by side;

[0006] The first conductor and the second conductor are placed in an injection mold with a certain interval and are subjected to injection treatment, so that an insulator is formed between the first conductor and the second conductor, to obtain a semi-finished product;

[0007] The semi-finished product is placed in a stamping die for stamping, a first crimping portion is formed at one end of the first conductor, and a second crimping portion is formed at one end of the second conductor close to the first crimping portion.

[0008] In an embodiment, the step of cutting the base material from the middle to form a first conductor and a second conductor side by side further comprises:

[0009] The cut edge of the first conductor after cutting is a first sawtooth edge, and the cut edge of the second conductor after cutting is a second sawtooth edge.

[0010] In an embodiment, the step of forming a first crimping portion at one end of the first conductor comprises:

[0011] The first end of the first conductor is cut and stamped to form a pair of first fins and a pair of second fins for connecting with the wire.

[0012] In an embodiment, the step of forming a second crimping portion at one end of the second conductor close to the first crimping portion comprises:

[0013] One end of the second conductor is cut and punched to form a pair of third fins and a pair of fourth fins for connecting with the wire.

[0014] In one embodiment, the step of placing the semi-finished product in the punch die, forming the first crimping part at one end of the first conductor, and forming the second crimping part at one end of the second conductor close to the first crimping part, further comprises:

[0015] Moving the semi-finished product a certain distance along the length direction, so that the male terminal after punch forming is moved out of the punch die;

[0016] The next round of punch forming is performed on the part of the semi-finished product in the punch die to form another male terminal.

[0017] The present application provides a male terminal, comprising:

[0018] The first conductor is provided with a first sawtooth edge on one side along the length direction;

[0019] The second conductor is provided side by side with the first conductor, and the second conductor is provided with a second sawtooth edge on one side along the length direction, and the second sawtooth edge is provided opposite to the first sawtooth edge;

[0020] The insulator is provided between the first conductor and the second conductor, and is connected with the first sawtooth edge and the second sawtooth edge respectively;

[0021] The first crimping part is provided at one end of the first conductor;

[0022] The second crimping part is provided at one end of the second conductor close to the first crimping part, and the first crimping part is provided opposite to the second crimping part.

[0023] In one embodiment, the first conductor and the second conductor are provided in a long strip shape.

[0024] In one embodiment, the first crimping part includes a pair of first fins and a pair of second fins for connecting with the wire; and the second crimping part includes a pair of third fins and a pair of fourth fins for connecting with the wire.

[0025] The present application also provides a male terminal processing equipment for processing the male terminal described above.

[0026] In one embodiment, the male terminal processing equipment includes a feeding mechanism, a cutting mechanism, an injection molding mechanism, and a punch mechanism.

[0027] The application sets a male terminal, the first conductor and the second conductor of the male terminal are arranged side by side, an insulator is arranged between the first conductor and the second conductor of the male terminal, the insulator connects the first conductor and the second conductor, a first crimping part is arranged at one end of the first conductor, and a second crimping part is arranged at one end of the second conductor close to the first crimping part. Two wires can be arranged outside, one of the wires can be crimped with the first crimping part, and the other wire can be crimped with the second crimping part, the first crimping part and the second crimping part are oppositely arranged and not conductive. Thus, the first conductor and the second conductor of the male terminal are connected by the insulator to maintain a certain structural strength, the male terminal is maintained in a small volume to adapt to a small installation space terminal under the condition of ensuring low impedance. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.

[0029] Figure 1 The structural schematic diagram of the substrate in an embodiment of the present application is shown in the figure.

[0030] Figure 2 The structural schematic diagram of the semi-finished product in an embodiment of the present application is shown in the figure.

[0031] Figure 3 The structural schematic diagram of the male terminal in an embodiment of the present application is shown in the figure.

[0032] Figure 4 The structural schematic diagram of the male terminal in another embodiment of the present application is shown in the figure.

[0033] Figure 5 The structural schematic diagram of the male terminal in another embodiment of the present application is shown in the figure.

[0034] Explanation of reference signs:

[0035] Reference Name Reference Name 10 Substrate 13a First fin 11 First conductor 13b Second fin 11a First serrated edge 14 Second crimp 12 Second conductor 14a Third fin 12a Second serrated edge 14b Fourth fin 13 First crimp 15 Insulator

[0036] The purpose of the present application, functional characteristics and advantages will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0037] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0038] It should be noted that if the embodiments of the present application involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship between the components, the movement condition, etc. in a certain posture, as shown in the drawings. If the certain posture changes, the directional indications also change accordingly.

[0039] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person of ordinary skill in the art can realize it. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present application.

[0040] The present application provides a processing technology of a male terminal, referring to Figures 1 to 5 , specifically comprising the following steps:

[0041] The base material 10 is cut from the middle to form the first conductor 11 and the second conductor 12 side by side; in this step, the base material 10 is arranged in a roll, one end is fixedly wound on a barrel, the other end is fixed on a winding roller of a winding motor shaft, and the base material 10 is tensioned by a tensioning mechanism. The base material 10 is copper or copper alloy. In the winding process, the base material 10 is cut from the middle to form the first conductor 11 and the second conductor 12 by a cutting roller. The outer wall of the cutting roller is provided with a sawtooth-shaped cutting edge, so that the first sawtooth edge 11a and the second sawtooth edge 12a are respectively formed on the opposite edges of the first conductor 11 and the second conductor 12.

[0042] The first conductor 11 and the second conductor 12 are kept at a certain interval and placed in an injection mold for injection processing, so that the first conductor 11 and the second conductor 12 are formed with the insulator 15 therebetween to obtain a semi-finished product; in this step, the injection mold is arranged at one side of the cutting roller, the base material 10 after cutting by the cutting roller is continuously transmitted and enters the injection mold, and the gap between the first conductor 11 and the second conductor 12 is injection molded to form an insulating layer.

[0043] The semi-finished product is placed in a stamping mold for stamping, a first crimping part 13 is formed at one end of the first conductor 11, and a second crimping part 14 is formed at one end of the second conductor 12 close to the first crimping part 13. In this step, the cutting roller, the injection mold and the stamping mold are arranged in sequence along the transmission direction of the base material 10, the base material 10 after injection molding can be used as a semi-finished product of a male terminal, and then enters the stamping mold to stamp the crimping fin for crimping the external wire.

[0044] The application cuts the base material 10 into two halves to form the first conductor 11 and the second conductor 12 kept at a certain interval, and injection molds between the first conductor 11 and the second conductor 12 to fill the gap between the first conductor 11 and the second conductor 12 with plastic, so as to realize the physical connection and electrical insulation of the first conductor 11 and the second conductor 12. Then the first crimping part 13 and the second crimping part 14 for crimping the external wire are formed by the stamping mold; the first conductor 11 and the second conductor 12 of the male terminal are connected by the insulator 15 to keep a certain structural strength, which ensures a lower impedance and maintains the male terminal in a smaller size, realizes the miniaturization of the connector, and adapts to smaller installation space. At the same time, compared with the existing terminal and connector, the assembly is more convenient, only one terminal is assembled to realize the conduction between two strip lines, and the base material 10 can also be cut into three or more parallel strips to realize the conduction of three or more lines, and the assembly is also only one terminal.

[0045] In an embodiment, referring to Figures 1 to 5 , the step of cutting the base material 10 from the middle to form the first conductor 11 and the second conductor 12 in parallel further comprises:

[0046] The cut edge of the first conductor 11 after cutting is a first sawtooth edge 11a, and the cut edge of the second conductor 12 after cutting is a second sawtooth edge 12a. In this embodiment, a gear hobbing mechanism can be arranged between the injection mold and the cutting roller. The gear hobbing mechanism includes a gear hobbing gear, and the first pitch of the gear hobbing gear is related to the second pitch of the first sawtooth edge 11a and the second sawtooth edge 12a. Specifically, the vertical of the first pitch is twice the second pitch. During the transmission process of the base material 10, the gear hobbing gear can stagger the edge teeth of the first sawtooth edge 11a, and correspondingly, the edge teeth of the second sawtooth edge 12a will also be staggered. That is, among the adjacent edge teeth, one will be bent towards the lower surface of the first conductor 11 and the second conductor 12, and the other will not be bent or will be bent towards the upper surface of the first conductor 11 and the second conductor 12. In this way, the contact area of the insulator 15 with the first conductor 11 and the second conductor 12 can be increased, the connection strength of the insulator 15 with the first conductor 11 and the second conductor 12 can be ensured, and the cracking of the connection part of the insulator 15 with the first conductor 11 and the second conductor 12 in the subsequent stamping process can be avoided.

[0047] In an embodiment, referring to Figures 1 to 5 , the step of forming the first crimping part 13 at one end of the first conductor 11 includes:

[0048] The one end of the first conductor 11 is cut and stamped to form a pair of first fins 13a connected to the first conductive core of the first wire, and a pair of second fins 13b used to connect to the first insulating layer of the first wire. In this step, the cutting assembly of the stamping mold will cut the outer edge of the first conductor 11 by a certain width. At the same time, a material allowance of the first fin 13a and the second fin 13b is reserved. Then the bending assembly bends the above-mentioned material allowance towards one side of the first conductor 11 to form the first fin 13a and the second fin 13b, respectively.

[0049] In an embodiment, referring to Figures 1 to 5 , the step of forming the second crimping part 14 at one end of the second conductor 12 close to the first crimping part 13 includes:

[0050] The one end of the second conductor 12 is cut and stamped to form a pair of third fins 14a connected to the second conductive core of the second wire, and a pair of fourth fins 14b used to connect to the second insulating layer of the second wire. In this step, the cutting assembly of the stamping mold will cut the outer edge of the second conductor 12 by a certain width. At the same time, a material allowance of the third fin 14a and the fourth fin 14b is reserved. Then the bending assembly bends the above-mentioned material allowance towards one side of the second conductor 12 to form the third fin 14a and the fourth fin 14b, respectively.

[0051] In an embodiment, referring to Figures 1 to 5, the step of placing the semi-finished product into a stamping die to stamp the first conductor 11 at one end to form a first crimping portion 13 and the second conductor 12 at one end close to the first crimping portion 13 to form a second crimping portion 14 further comprises:

[0052] The semi-finished product is moved a certain distance along the length direction to move the male terminal after stamping out of the stamping die; the next round of stamping is performed on the part of the semi-finished product in the stamping die to form another male terminal. In this step, the semi-finished product is continuously stamped during transmission, and thus the male terminals are connected in sequence, and the finished product is finally wound on the winding drum. Alternatively, the semi-finished product after molding is wound on the winding drum, and then the wound semi-finished product is continuously conveyed to the stamping die in sections, and each section can be stamped to form a male terminal. Finally, a continuous and wound finished product is formed.

[0053] The application also provides a male terminal, which refers to Figures 1 to 5 The male terminal comprises a first conductor 11, a second conductor 12, an insulator 15, a first crimping portion 13, and a second crimping portion 14. The first conductor 11 is provided with a first sawtooth edge 11a on one side in the length direction; the second conductor 12 is provided side by side with the first conductor 11, and the second conductor 12 is provided with a second sawtooth edge 12a on one side in the length direction, which is arranged opposite to the first sawtooth edge 11a; the insulator 15 is arranged between the first conductor 11 and the second conductor 12 and connected with the first sawtooth edge 11a and the second sawtooth edge 12a respectively; the first crimping portion 13 is arranged at one end of the first conductor 11; the second crimping portion 14 is arranged at one end of the second conductor 12 close to the first crimping portion 13, and the first crimping portion 13 is arranged opposite to the second crimping portion 14. The male terminal can be crimped with external wires through the first crimping portion 13 and the second crimping portion 14, one of which can be crimped with the first crimping portion 13, and the other of which can be crimped with the second crimping portion 14, and the first crimping portion 13 and the second crimping portion 14 are arranged opposite to each other and not conductive. Thus, the first conductor 11 and the second conductor 12 of the male terminal are connected through the insulator 15 to maintain a certain structural strength, which ensures a lower impedance and makes the male terminal maintain a smaller volume to adapt to a smaller installation space terminal.

[0054] In this embodiment, the first conductor 11 and the second conductor 12 are arranged in a long strip shape. The first crimping portion 13 comprises a pair of first fins 13a for connecting with the first conductive core of the first wire and a pair of second fins 13b for connecting with the first insulating layer of the first wire. The second crimping portion 14 comprises a pair of third fins 14a for connecting with the first conductive core of the first wire and a pair of fourth fins 14b for connecting with the first insulating layer of the first wire. The above-mentioned four pairs of fins can be crimped through the terminal die.

[0055] The application also provides a connector, referring to Figures 1 to 5 , the connector comprises a male terminal and a connector sleeve matched with the male terminal, and the male terminal is clamped in the connector sleeve. The first conductor 11 and the second conductor 12 are formed into protrusions for clamping the connector sleeve after being stamped, and the protrusions are arranged on the side away from the sawtooth edge.

[0056] The application also provides a male terminal processing device for processing the male terminal

[0057] In an embodiment, the male terminal processing device comprises a feeding mechanism, a cutting mechanism, an injection molding mechanism and a stamping mechanism.

[0058] The feeding mechanism comprises a material cylinder on which the base material is mounted, a material winding roller, a motor for driving the material winding roller to rotate, and a tensioning mechanism arranged between the material cylinder and the material winding roller. The base material 10 is wound in a roll, one end of which is fixed on the material cylinder and the other end is fixed on the material winding roller of the shaft of the material winding motor, and the base material 10 is tensioned by the tensioning mechanism.

[0059] The cutting mechanism is arranged between the material cylinder and the material winding roller, and comprises a first platform for receiving the base material and a cutting roller arranged on the first platform, the cutting roller is provided with a sawtooth-shaped cutting edge on the outer periphery, and the first platform is provided with a sawtooth-shaped slot corresponding to the cutting edge. The base material can be cut into two parts when being transmitted between the first platform and the cutting roller.

[0060] The injection molding mechanism comprises an injection molding mold, and the injection molding mold is provided with a long strip-shaped mold cavity, and the two ends of the mold cavity are provided with openings for the cut base material. The injection molding mechanism further comprises a spacing assembly arranged outside the injection molding mold, and the spacing assembly comprises two gears arranged oppositely and maintaining a certain distance between the gears. The sawtooth in the middle of the base material is matched with the gears, and the two gears are arranged between the first conductor and the second conductor. The first conductor and the second conductor are separated by the two gears. The spacing assembly further comprises a pair of limiting rollers arranged on both sides of the injection molding mold and outside the openings at the two ends of the mold cavity. The outer edge of the first conductor is matched with the first limiting roller, the outer edge of the second conductor is matched with the second limiting roller, and the outer periphery of the first roller and the second roller is provided with a V-shaped groove for correcting deviation. After passing through the two limiting rollers, the distance between the first conductor and the second conductor is maintained at a set width.

[0061] The stamping mechanism comprises a stamping mold arranged on one side of the injection molding mechanism, and the semi-finished product after injection molding is output from the injection molding mold and enters the stamping mold to complete the stamping forming.

[0062] The above merely describes optional embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made under the inventive concept of the present application, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present application.

Claims

1. A processing method for a male terminal, characterized in that, Includes the following steps: During the substrate rolling process, the substrate is cut in the middle by a cutting roller to form a first conductor and a second conductor side by side; The first conductor and the second conductor are placed in an injection mold with a certain distance between them and injection molding is performed to form an insulator between the first conductor and the second conductor, so as to obtain a semi-finished product. The semi-finished product is placed in a stamping die and stamped to form a first crimping part at one end of the first conductor and a second crimping part at one end of the second conductor near the first crimping part. The cutting rollers, injection molds, and stamping dies are arranged sequentially along the transport direction of the substrate; The step of placing the semi-finished product in a stamping die for stamping, forming a first crimping portion at one end of the first conductor, and forming a second crimping portion at one end of the second conductor near the first crimping portion, further includes: The semi-finished product is moved a certain distance along the length direction so that the stamped male terminal is removed from the stamping die; The portion of the semi-finished product in the stamping die is then stamped in the next round to form another male terminal.

2. The processing technology of the male terminal according to claim 1, characterized in that, The step of cutting the substrate in the middle to form the first and second conductors side by side further includes: The cut edge formed after the first conductor is cut is the first serrated edge, and the cut edge formed after the second conductor is cut is the second serrated edge.

3. The processing technology of the male terminal according to claim 1, characterized in that, The step of forming a first crimp portion at one end of the first conductor includes: One end of the first conductor is cut and stamped to form a pair of first fins and a pair of second fins for connection with the wire.

4. The processing technology of the male terminal according to claim 1, characterized in that, The step of forming the second crimping portion at one end of the second conductor near the first crimping portion includes: One end of the second conductor is cut and stamped to form a pair of third fins and a pair of fourth fins for connection with the wire.

5. A male terminal, characterized in that, include: The first conductor has one side along its length configured as a first serrated edge; The second conductor is arranged side by side with the first conductor, and one side of the second conductor along the length direction is configured as a second serrated edge, which is arranged opposite to the first serrated edge; An insulator is disposed between the first conductor and the second conductor, and is connected to the first serrated edge and the second serrated edge, respectively. The first crimping portion is disposed at one end of the first conductor; The second crimping portion is disposed at one end of the second conductor near the first crimping portion, and is disposed opposite to the first crimping portion.

6. The male terminal according to claim 5, characterized in that, The first conductor and the second conductor are arranged in an elongated strip shape.

7. The male terminal according to claim 5, characterized in that, The first crimping portion includes a pair of first fins and a pair of second fins for connection with a wire; the second crimping portion includes a pair of third fins and a pair of fourth fins for connection with a wire.

8. A male terminal processing equipment, characterized in that, Used for processing the male terminal as described in any one of claims 5-7.

9. The male terminal processing equipment according to claim 8, characterized in that, It includes a feeding mechanism, a cutting mechanism, an injection molding mechanism, and a stamping mechanism.

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