TWI658660B - Method for making electrical connector - Google Patents

Abstract

The invention is a method for manufacturing an electrical connector. The manufacturing steps include the following steps: firstly, forming a plurality of terminals and clamping members by stamping; step two, secondly, inserting and fixing the plurality of terminals on the first tape by using a pin insertion machine; The second strip is placed above the first strip, at this time, the clamping member is located above the plurality of terminals; step three, then, the plurality of terminals and the clamping member are electroplated; step four, 嗣Then, the insulating body is formed on the plurality of terminals and the clamping members; step five, and finally, the clamping portion and the second material tape are separated from the terminals and the clamping members respectively, and the manufacture of the electrical connector can be completed. The manufacturing method of the present invention enables the electrical connector to achieve the purpose of fast production speed and stable quality.

Description

Manufacturing method of electric connector

The invention provides a method for manufacturing an electrical connector, especially a manufacturing method that can accelerate the completion of the production process of an electrical connector through an automated process. After the terminal is fixed on the first tape by a pin machine, the second tape is then fixed. Together with the clamping part, it is placed on the first material strip, and is subjected to electroplating and injection molding of the insulating body to achieve the purpose of forming an electrical connector with good molding quality.

Please refer to the ninth to sixteenth figures. It is clear from the figures that the conventional electrical connector manufacturing method includes a first tape 10 ', a second tape 20', and a fixed rule. With a 30 'and a terminal 50', the conventional manufacturing method of the electrical connector is implemented in accordance with the following steps: Step S901: stamping a plurality of terminals 50 'and a clamping member 60' respectively. Step S902: The terminals 50 'and the clamping members 60' are plated separately. Step S903: Mount the terminal 50 'on the fixed jig 30'. Step S904: Assemble the fixing jig 30 'on the first tape 10'. Step S905: Assemble the second material tape 20 'on the fixing jig 30', and at this time, the clamping member 60 'is placed above the plurality of terminals 50'. Step S906: The insulating body 40 'is formed on the plurality of terminals 50' and the holding member 60 '. Step S905: Separate the clamping portion 70 'and the second strip 30' from the terminal 50 'and the clamping member 60', respectively, so as to complete the manufacture of the electrical connector 200 '.

Referring to the tenth and eleventh figures, when step S901 is performed, a clamping portion 70 'is punched out from the rear end of the terminal 50', and the second strip 20 'is punched at the same time. The strip 20 'extends forward to form an extension portion 21', and the two sides of the extension portion 21 'extend outward to form a fixing portion 22', respectively. The extension portion 21 'extends forward with a substantially U-shape and the opening faces Front clamp 60 '.

Referring to the fourteenth figure, when step S902 is performed, the clamping portion 70 'of the terminal 50' is installed in the slot 32 'at the bottom of the fixing jig 30'.

Please refer to the fifteenth figure. When step S904 is performed, the clamping groove 31 'of the fixing jig 30' is assembled on the clamping block 11 'of the first tape 10', and the second tape 20 'on both sides The fixing portion 22 'is assembled in the fixing groove 331' of the fixing jig 30 '. At this time, the plurality of terminals 50' and the holding member 60 'correspond to the terminal groove 41 and the holding groove 411 of the insulating body 40 (please (See Figure 8).

Please refer to the sixteenth figure. When step S906 is performed, the plurality of terminals 50 'and the holder 60' are placed in a mold of the insulating body 40 ', and the insulating body 40' is molded into the plurality of terminals 50 'by injection molding. And the clamping member 60 '.

According to the above description, it is conventionally known that an additional fixing fixture 30 'needs to be installed on the electrical connector 200 in order to complete the manufacture. In addition, the conventional fixing fixture 30' is a plastic product, so the multiple terminals 50 'and the clamping member 60 'It is also impossible to electroplat directly after inserting the needle, so it is too complicated in the manufacturing process, which increases the production time and the cost.

Therefore, it is necessary to provide a method for manufacturing an electrical connector, which can eliminate redundant manufacturing steps to reduce manufacturing time and cost.

Therefore, the inventor, in view of the above-mentioned problems and deficiencies, collected relevant information, evaluated and considered from various parties, and based on years of experience accumulated in this industry, and continued to make trials and modifications, he began to design this kind of pin insertion machine. The invention patent of the manufacturing method of the electrical connector for the process of fixing the terminal to the tape, and forming the electrical connector with stable quality.

The main purpose of the present invention is the method for manufacturing the electrical connector. The manufacturing steps include the following steps: firstly, forming a plurality of terminals and clamping members by stamping; step two, and secondly, inserting and fixing the plurality of terminals with a pin machine. The first tape is placed on the first tape, and the second tape is placed above the first tape. At this time, the clamping member is located above the plurality of terminals; step three, then, the plurality of terminals and the clamping member are electroplated; Step four, 嗣, and then forming the insulating body on the plurality of terminals and the clamping member; step five, finally, separating the clamping portion and the second strip from the terminal and the clamping member respectively, and the electrical connector can be completed. Manufacturing. The manufacturing method of the present invention enables the electrical connector to achieve the purpose of fast production speed and stable quality.

In order to achieve the above-mentioned objects and effects, the technical means and structure adopted by the present invention, the following is a detailed description of the features and functions of the preferred embodiment of the present invention.

Please refer to the first to seventh figures. As can be clearly seen from the figures, the present invention includes a first tape 10, a second tape 20, and a terminal 50. When the manufacturing method of the present invention is used, It is implemented according to the following steps: Step S101: The plurality of terminals 50 and the clamping members 60 are respectively stamped and formed. Step S102: Use a pin machine to insert and fix a plurality of terminals 50 on the first tape 10, and place the second tape 20 above the first tape 10. At this time, the clamping member 60 is located at Above the plurality of terminals 50. Step S103: Plating the plurality of terminals 50 and the holder 60. Step S104: forming the insulating body 40 on the plurality of terminals 50 and the holding member 60; step S105: separating the holding portion 70 and the second strip 30 from the terminal 50 and the holding member 60, respectively, to complete the electrical operation. Manufacture of connector 100.

Referring to the eighth figure, the manufactured electrical connector 200 has an insulating body 40, a plurality of terminals 50, and a clamping member 60. The rear surface of the insulating body 40 has a plugging groove 41 formed by a forward depression. Each of the two ends of the plug-in slot 41 is provided with a clamping slot 411 penetrating forward through the insulating body 40. The middle portion of the insulating body 40 has a plurality of terminal slots 42 penetrating the insulating body 40 forward and backward; the clamping member 60 is generally U And open-fronted components. The clamping member 60 includes a laterally extending fixing portion 61, and two ends of the fixing portion 61 are bent forward to extend a pair of clamping arms 62. The plurality of terminals 50 are installed in the plurality of terminal slots 42. The clamping member 60 is installed in the clamping groove 411.

Referring to the fourth figure, the first tape 10 of the present invention has an opening 11, and the lower surface of the first tape 10 has two front extensions 12 and 13 which are formed by protruding downwards. The extension portion 12 is a portion formed by the rear surface of the opening 11 protruding downward. The rear extension portion 13 is disposed behind the front extension portion 12 and is parallel to the front extension portion 12. The lower surface of the front extension portion 12 has A plurality of first front slots 121 formed in a recessed upward direction and arranged in a horizontal direction, and a lower surface of the rear extension 13 has a plurality of first rear slots 131 formed in a recessed upward direction and arranged in a horizontal direction, the front extension portion 12 and the rear extension portion. There are a plurality of second slots 14 penetrating the first material strip 10 up and down between 13. The first front slot 121, the first rear slot 131, and the second slot 14 are slots 15 of the first material strip 10. .

Referring to the second figure and the third figure, when step S101 is performed, a clamping portion 70 is punched out from the rear end of the terminal 50. The clamping portion 70 has two clamping portions 71 formed by two upward protrusions. The holding portion 71 has an inverted hook 711; and after the second strip 20 is punched at the same time, the second strip 20 extends forward to form an extension 21, and the extension 21 extends forward to have an approximately The U-shaped clamping member 60 is opened forward.

Referring to the second, fifth and sixth figures, when step S102 is performed, the plurality of terminals 50 are fixed to the first tape 10 via a pin insertion machine. Specifically, each clamping portion of the plurality of terminals 50 is fixed. The front and rear portions of the 70 are installed in each of the first front slots 121 and the first rear slots 131 on the first tape 10, and each of the holding portions 71 is installed in each of the first tape 10 In the two slots 14, each of the inverted hooks 711 passes through each of the second slots 14 and is hooked on the upper surface of the first material tape 10 and the second material tape 20 is placed above the first material tape 10. At this time, The holder 60 is located above the plurality of terminals 50.

Referring to the seventh figure, when step S104 is performed, the plurality of terminals 50 and the holder 60 are placed in a mold of the insulating body 40, and the insulating body 40 is formed on the plurality of terminals 50 and the holder 60 by injection molding. .

As mentioned above, the manufacturing method of the electrical connector of the present invention is to add a plurality of sockets 15 to the lower surface of the first material tape 10. Compared with the manufacturing method of the prior art electrical connector, the electrical connector 200 has a plurality of terminals 50. When the clamping member 60 is electroplated, the plating process of the insulating body 40 can be performed directly after plating, and the conventional technique requires that the plural terminals 50 'and the clamping member 60' be plated separately before the plural terminals are plated. 50 'is installed on the socket 32' of the fixed fixture 30 ', so that the process of injection molding of the insulating body 40' can be performed. In addition, the manufacturing method of the conventional electrical connector requires a fixed jig 30 'to perform the process of injection molding the insulating body 40'. Compared with the manufacturing method of the electrical connector of the present invention, the manufacturing process and cost Too much, at the same time, the stability of the size 15 of the metal material slot 10 with the first material 10 is better than that of the size 12 of the plastic material slot on the fixed fixture 30 '.

To sum up, the manufacturing method of the electrical connector of the present invention is to add a plurality of slots 15 to the lower surface of the first tape 10. Compared with the manufacturing method of the prior art electrical connector, the electrical connector 200 The manufacturing of the electrical connector 200 can be completed through a fixed fixture 30 ', which can reduce the manufacturing time and eliminate the cost burden caused by the fixed fixture 30' in the prior art.

10‧‧‧First tape

11‧‧‧ opening

12‧‧‧ front extension

121‧‧‧first front slot

13‧‧‧ rear extension

131‧‧‧First rear slot

14‧‧‧Second slot

15‧‧‧slot

20‧‧‧Second material belt

21‧‧‧ extension

200‧‧‧electrical connector

40‧‧‧Insulated body

41‧‧‧Socket

411‧‧‧Clamping groove

42‧‧‧Terminal Slot

50‧‧‧terminal

60‧‧‧Clamp

61‧‧‧Fixed section

62‧‧‧Clamping Arm

71‧‧‧Card Holder

711‧‧‧Inverse hook

The first figure is a manufacturing flowchart of the manufacturing method of the electrical connector of the present invention. The second figure is a perspective view of the terminal of the present invention after being stamped and formed. (3) The third figure is a perspective view of the second tape of the present invention after being stamped and formed into a clamping member. The fourth figure is a perspective view of the first tape of the present invention. The fifth figure is a perspective view of the present invention fixing the terminal to the first tape. (6) The sixth figure is a perspective view before forming the insulating body of the present invention. (7) The seventh figure is a perspective view of the insulating body of the present invention after molding. (8) The eighth figure is an exploded perspective view of the electrical connector manufactured by the present invention. The ninth figure is a manufacturing flowchart of a manufacturing method of a prior art electrical connector. The tenth figure is a perspective view of the prior art terminal after stamping. The eleventh figure is a perspective view of the second strip of the prior art after being stamped to form the clamping member. The twelfth figure is a perspective view of a fixed jig of the prior art. The thirteenth figure is a perspective view of the first tape of the prior art.十四 The fourteenth figure is a perspective view of a terminal of the prior art fixed in a fixed jig. The fifteenth figure is a perspective view of the prior art insulating body before molding. The sixteenth figure is a perspective view of the insulating body of the prior art after molding.

Claims (2)

A method for manufacturing an electrical connector includes the steps of: step 1: punching a rear end of a plurality of terminals on a first tape to a clamping portion, and the middle portion of the clamping portion has two cards formed by protruding upwards. The holding portion has an inverted hook on the holding portion; and after the second strip is press-molded at the same time, the second strip is extended forward to form an extension portion, and the extension portion extends forward to have an A clamping piece that is generally U-shaped and has an opening facing forward; Step 2: Use a pin inserter to mount the front and rear portions of the clamping portions of the plurality of terminals on the first front slots on the first tape and In each of the first rear slots, each of the holding portions is respectively installed in each of the second slots of the first tape, and each of the inverted hooks passes through each of the second slots and is hooked in all positions. The upper surface of the first material strip, the plurality of terminals are inserted and fixed on the first material strip, and the second material strip is placed above the first material strip; at this time, the clamping Pieces are located above the plurality of terminals; step three: electroplating the plurality of terminals and the clamping members; step four: molding the insulating body on The plurality of terminals and the clamping member; step five: separating the clamping portion and the second tape from the plurality of terminals and the clamping member, respectively, to complete the electrical connector Manufacturing. According to the manufacturing method of the electrical connector described in item 1 of the scope of patent application, when performing the fourth step, the plurality of terminals and the clamping member are placed in a mold of the insulating body, and the The insulating body is formed on the plurality of terminals and the clamping member.