TWI488391B - The use of multiple submerged technology to locate the connection terminal of the process - Google Patents

Description

Process for locating connecting terminals by using multiple embedding techniques

The invention is a process for positioning a connecting terminal by using multiple embedding techniques, in particular, firstly forming a first seat body on a plurality of first connecting terminals by a first embedding technique, and then transmitting a second embedding technique. Positioning a plurality of second connecting terminals to one side of the first base body, and forming a second seat body on the first base body.

According to the booming development of information technology and electronics industry, the development of computers is not only faster, but also more powerful. Therefore, it is becoming more and more popular among the public; however, whether it is a desktop computer, a notebook computer or The most popular tablet PCs nowadays, when users want to use such computers for data transmission or connection with other peripheral devices, they still need to be completed by peripheral signal connectors. In order to respond to different hardware devices and transmission methods, all major players have invested their efforts to improve the signal connectors of various specifications or models to meet the needs of the market.

In general, in order to improve the efficiency of the signal connector in production, the manufacturer will punch out all the connection terminals in a signal connector on the same piece of metal. However, since the connection terminal must be configured corresponding to a circuit board. Therefore, a plurality of electrode contacts for soldering the connection terminals on the circuit board are arranged in parallel with the insertion direction of the signal connector (for example, the connection of the electrode contacts of the front and rear rows) In parallel with the insertion and removal direction, the position of the connection terminals in the signal connector will be divided into multiple layers, which makes it impossible for the operator to On the same metal, all the connection terminals are punched out at one time. As a result, not only will the overall production process be extended, but also many problems will arise in assembly.

At present, in the production of the above-mentioned signal connectors, the manufacturer mainly uses four methods for assembly. The various conventional signal connectors drawn in Figures 1 to 3 are taken as examples to illustrate the main disadvantages of various methods as follows:

(1) All the insertion method: as shown in Fig. 1, is a conventional signal connector 1, the signal connector 1 includes a first body P1, a plurality of first connection terminals M1, and a second The seat body P2, the plurality of second connection terminals M2, a positioning body P3 and a metal case M3 are known from the first figure. Since the connection terminals M1 and M2 are arranged in the upper and lower two rows, Cannot be stamped from a piece of metal at the same time. Therefore, the assembler must insert the first connection terminal M1 and the second connection terminal M2 into the slots P10 and P20 of the first base body P1 and the second base body P2, respectively, through the first The recess P11 on the base P1 and the engaging portion P21 on the second base P2 enable the first base P1 and the second base P2 to be integrated into one another and then transmitted through the positioning base P3. The positioning hole P30 fixes the ends of the connection terminals M1 and M2, and finally, the first base body P1, the second base body P2 and the positioning base body P3 are installed in the metal casing M3, that is, the assembly process is completed. In addition to the example of FIG. 1, the assembly method can also simplify the first base body P1 and the second base body P2 into a single plastic seat body, and insert a plurality of sets of connection terminals one by one.

(2) Embedding and insert molding method: In addition to the first method described above, the manufacturer may first use an injection molding process to form a first set of connecting terminals. The body, the cymbal, and another set of connecting terminals are embedded in the base body by manual insertion to complete the preliminary positioning procedure of the connecting terminals.

(3) All-injection molding method: Please refer to FIG. 2, which is a structure of a second conventional signal connector. The signal connector 1' also includes a first seat body P'1 and a plurality of first branches. The connection terminal M'1, the plurality of second connection terminals M'2, a positioning base P'3 and a metal casing M'3, the first use of the injection molding process, and at the first connection terminal M The first base body P'1 is formed on the first connecting terminal M'2, and the connecting terminals M'1, M' are fixed through the positioning holes P'30 on the positioning base body P'3. 2. Finally, it is installed in the metal casing M'3 to complete the assembly process. Although the single cost is the smallest, the gap between the connecting terminals M'1 and M'2 is too small, which is not conducive to the filling operation of the injection molding process, and the precision of the mold is relatively high. It is difficult to improve the yield of the signal connector 1', so it is still not practical.

(4) Complex embedding assembly method: Please refer to Fig. 3, which is the structure of the third conventional signal connector. The signal connector 1" is also composed of a first seat P"1, a second The seat body P"2, the plurality of first connection terminals M"1, the plurality of second connection terminals M"2, a positioning seat body P"3 and a metal casing M"3, and the manufacturer is separately formed by injection molding The first base body P"1 and the second base body P"2 are formed on the first connection terminal M"1 and the second connection terminal M"2, respectively, and then the first assembly terminal M"1 and the second base body P"2 are assembled by manual assembly. The body P"1 and the second body P"2 are integrated into one card, and the connecting terminals M"1, M"2 are fixed through the positioning holes P"30 on the positioning base P"3, and finally installed. In the metal casing M"3, the assembly process is completed.

Since the step of locating the connection terminals by using the above "all insertion method" will affect the assembly yield of the signal connector, and the connection terminals may be inserted into the corresponding body due to their own metal elasticity. After that, there are still slight deviations, which makes the positioning less accurate than the injection molding method. Therefore, there is still much room for improvement in either of the above methods (1) or (2), and the yield (3) has a good rate. Low problem, it is difficult to quickly produce a large number of good quality signal connectors. As for the method (4), although the connection terminals can be positioned more accurately, since the assembly is still required through an artificial assembly procedure, The cost of compliance and the improvement of yield are still not ideal. In addition, the above four methods still need to pass through the positioning base to fix the ends of the connecting terminals, so the degree of improvement is still extremely limited.

Therefore, how to design a new signal connector production method to simultaneously take into account the positioning strength, production yield and efficiency of the connection terminals has become an important problem to be solved by the present invention.

In view of the fact that in the past, when the signal connector was produced, the connection terminal was not easy to locate, and the production efficiency was not good, and the yield was not high. The inventor finally designed the invention after many experiments and improvements with years of practical experience. A process for locating connecting terminals by using multiple embedding techniques can solve many defects of the conventional practice.

An object of the present invention is to provide a process for positioning a connection terminal by using a multiple embedding technique, which is used for fabricating a signal connector, the signal connector including at least a plurality of first connection terminals, a first body, and a plurality of Supporting the second connection terminal and a second body, the process comprising the steps of: positioning the first connecting terminals on a first rack into a first mold, and injecting a first compound, the configuration of the first mold The first body is matched to form the first body after the first compound is solidified, and the first body can cover the holding portions of the first connecting terminals to make the contact ends of the first connecting terminals And the welding end can be respectively exposed by the surface of the first body; 嗣, removing the strip on the first rack; placing the first body that is completed by the embedding into a second mold, and The second connecting terminals on the two racks are positioned to one side of the first seat in the second mold, so that the contact ends of the second connecting terminals can be fixed to a predetermined functional position; in the second mold The second rubber is internally poured to form the second seat body after the second rubber is solidified, and the second seat system is seamlessly coupled to the first seat body and fixed to one side of the first seat body, and A cover portion of the second connection terminals can be covered to embed the second connection terminals in the first and second seats In the second such connection contact terminal and the terminal that it can weld end is exposed from the second surface of the base body, respectively; Si, removing the second strip material of the frame, i.e., forming the signal connector. In this way, the embedding technology of the present invention can effectively enhance the positioning strength of the connecting terminals in the signal connector, and improve the insertion and extraction force of the connecting terminals, thereby ensuring the stability of signal transmission. In addition, it can solve the problem that the production personnel need to insert the connection terminals one by one in the past when the signal connector is made, resulting in low yield and low efficiency; or avoiding the production of the signal connector in the past, the production personnel need to separately In the injection molding method, after the base body is formed on each of the connection terminals, each of the base bodies is assembled into a single complicated program.

Another object of the present invention is to provide a plurality of positioning grooves on one side of the first body, and the positioning grooves are matched with the second connecting terminals to In the step of positioning the second connection terminals on the first base body, each of the second connection terminals is fixed to one side of the first base body through each of the positioning slots.

For the sake of review, the reviewer can have a further understanding and understanding of the technical features, implementation steps and purposes of the present invention. The embodiments are described in conjunction with the drawings, which are described in detail as follows:

Referring to FIG. 4, the present invention is a process for positioning a connection terminal by using a multiple embedding technique for producing a signal connector 2, in the first preferred embodiment of the present invention, the signal connector 2 includes a first body 21, a plurality of first connecting terminals 22, a second seat body 23, a plurality of second connecting terminals 24, a third seat body 25, a plurality of third connecting terminals 26, and a metal shell The body 27, wherein one end of each of the connection terminals 22, 24, 26 (ie, one end of the left side in FIG. 4) is a contact end, wherein the segment is a holding portion and the other end is a soldering end (ie, 4 (on the right side of the figure), after the signal connector 2 is assembled, the connection terminals 22, 24, 26 can be electrically connected to an electronic device through the contact end, and sequentially through the holding portion, soldering The electronic signal is transmitted to a circuit board. However, in other preferred embodiments of the present invention, the contact end, the holding portion and the soldering end are not necessarily limited to the two ends or the central portion of the connecting terminal, and the present invention The process can also be applied to other forms of signal connectors, not 4 of the drawing is limited to the configuration, the first engagement Chen.

Referring to Figures 4 and 5, the process of the present invention can be subdivided into the following steps: (301) Referring to FIG. 6A, first, the first connection terminals 22 are stamped on a metal material, and the first connection terminals 22 are fixed on the first material frame 41 formed of a metal material. And connecting the first material rack 41 together with the first connecting terminals 22 in a first mold through a first strip 410, the first mold is configured and the first body The configuration of 21 is matched; (302) Please refer to FIG. 6B, in which the first rubber is poured in the first mold, and the first rubber 21 can be formed after solidification of the first rubber (ie, FIG. 6B). The first base body 21 can cover the holding portions of the first connecting terminals 22, and the first connecting terminals 22 are embedded and fixed in the first base body 21, And the contact end of the first connecting terminal 22 can be exposed on the bottom side of the front portion of the first seat body 21, and the soldering end thereof is extended from the rear portion of the first seat body 21; (303) As shown in FIGS. 6B and 6C, after the first compound is solidified into the first seat body 21, the first tape 410 on the first rack 41 is removed. In this embodiment, a plurality of positioning slots 210 and a plurality of openings 211 are formed in the front portion of the first base body 21, and the positions of the openings 211 are in communication with the positioning slots 210; (204) Referring to FIGS. 6C and 6D, the second connection terminals 24 are stamped on the other metal material, so that the second connection terminals 24 can be fixed to the second metal material. The racks 42 are connected to each other through a second strip 420, and the second racks 42 are positioned along the second connecting terminals 24 to one side of the first base body 21, in this embodiment, The second connection terminals 24 pass through the positioning slots 210, Positioned on one side of the first base body 21, and the contact ends of the second connection terminals 24 can be exposed to the bottom side of the first base body 21 via the openings 211; (305) Referring to FIGS. 6D and 6E, the second connecting terminals 24 are positioned in the second mold together with the first base body 21 and the first connecting terminal 22, and the second mold is configured and the second The bases 23 are matched, and in particular, in other preferred embodiments of the present invention, the steps (304) (305) can be integrated into the same step, that is, the operator can first locate the first Two connection terminals 24, and then the first seat body 21 is placed in the second mold, or the first seat body 21 can be first placed in the second mold, and then the second connection terminals 24 are positioned; (306) And injecting the second rubber into the second mold to form the second seat body 23 (ie, the block protruding in a point shape in FIG. 6E), and the second seat body 23 is formed and fixed. On the side of the first body 21 and covering the second connection terminals 24, the second connection terminals 24 can be embedded and fixed between the first base 21 and the second base 23 ( When the contact ends of the second connecting terminals 24 are exposed by the first portion of the first base body 21 or the second base body 23, the welded ends are exposed by the rear portion of the second base body 23, and The soldering ends of the first connecting terminals 22 are maintained at a predetermined distance; and (307), as shown in FIGS. 6E and 6F, after the second compound is solidified into the second body 23, the second material is removed. A second strip 420 on the frame 42.

Referring to Figures 4 and 7, in the first preferred embodiment of the present invention, after completing the foregoing steps, an assembly procedure has to be performed, and the assembly procedure is first The third base body 25 is formed on the third connecting terminals 26 on the third rack 51 by the injection molding process, so that the contact ends of the third connecting terminals 26 can be exposed to the third seat body 25. In addition, the bottom configuration of the third base body 25 is matched with the one end configuration of the second base body 23, so that the first base body 21 and the second base body 23 can be assembled to the third base body 25. At the bottom, the first seat body 21, the second seat body 23 and the third seat body 25 are assembled into the metal casing 27, and the third material belt 510 of the third material rack 51 is removed. That is, the assembly of the signal connector 2 is completed.

In particular, in the foregoing embodiments, the process of the present invention includes two injection molding processes and an assembly process, but the process can also be formed by only two injection moldings according to different specifications of the signal connector. The program, that is, the signal connector of other specifications is formed, or the multiple connection techniques can be further utilized to position the third connection terminals 26 and form the third body 25, or even more sets of connection terminals. Bright. Thus, through the process of the present invention, it can effectively ensure that each of the connection terminals 22, 24, 26 in the signal connector 2 can stably perform positioning and enhance the loadable insertion and extraction force thereof, and further, through the present invention. The embedding technology can effectively simplify the production time and complexity of the signal connector 2, and effectively improve the yield and efficiency in production.

As shown in FIGS. 4 and 6C, in the second preferred embodiment of the present invention, the first seat body 21 is recessed at least with a recess 212, and when the second rubber is poured, The second rubber fills the recessed portion 212 of the first base body 21 to pass through the recessed portion 212 to increase the contact area between the first base body 21 and the second base body 23, thereby reinforcing the first seat. The bonding strength between the body 21 and the second seat body 23. In addition, please refer to Figures 4 and 8, where Figure 8 is the first A cross-sectional view of the base 21, the second base 23, the first connecting terminal 22 and the second connecting terminal 24 is combined. In the second preferred embodiment of the present invention, the second connecting terminals 24 are positioned at When one of the first bases 21 is on the side, the welded ends of the second connecting terminals 24 and the welded ends of the first connecting terminals 22 are required to be on the same longitudinal plane.

The above description is only a few preferred embodiments of the present invention, but the technical features of the present invention are not limited thereto, and those skilled in the relevant art can easily think about it after considering the technical content of the present invention. Equivalent changes should not depart from the scope of protection of the present invention.

2‧‧‧Signal connector

21‧‧‧First body

210‧‧‧ positioning slot

211‧‧‧ openings

212‧‧‧Depression

22‧‧‧First connection terminal

23‧‧‧Second body

24‧‧‧Second connection terminal

25‧‧‧ third body

26‧‧‧ Third connection terminal

27‧‧‧Metal housing

41‧‧‧First rack

410‧‧‧First belt

42‧‧‧Second rack

420‧‧‧Second tape

51‧‧‧ Third rack

510‧‧‧ Third belt

1 is a schematic diagram of a conventional signal connector; FIG. 2 is a schematic diagram of another signal connector; FIG. 3 is a schematic diagram of another signal connector; FIG. 4 is a signal applied to the process of the present invention. 3 is a schematic flow chart of the process of the present invention; FIG. 6A is a schematic diagram of a first step of the process of the present invention; FIG. 6B is a schematic view of a second step of the process of the present invention; A schematic diagram of a third step of the process of the invention; a 6D diagram is a schematic diagram of a fourth step of the process of the invention; a 6E diagram is a schematic diagram of the fifth and sixth steps of the process of the invention; and a 6F diagram is a seventh process of the process of the invention BRIEF DESCRIPTION OF THE DRAWINGS FIG. 7 is a schematic diagram of an assembly procedure of a process of the present invention; and FIG. 8 is a schematic diagram of a signal connector applied to the process of the present invention.

Claims (4)

A process for locating a connection terminal by using multiple embedding techniques for producing a signal connector, the signal connector comprising at least a first body, a plurality of first connection terminals, a second body and a plurality of branches The two connecting terminals, the process comprising the steps of: positioning the first connecting terminals on a first rack in a first mold, the first mold is configured to match the first seat; Placing a first rubber into the first mold, so that the first rubber can form the first seat after solidification, and the first seat system covers the holding portions of the first connecting terminals, so that the first The contact end and the soldering end of a connecting terminal are respectively exposed by the surface of the first base body, and one of the first seat body is recessed with a plurality of positioning slots, and the positioning slots are located at the first connecting terminals. And a plurality of openings are formed, and the contact ends of the first connection terminals are exposed on the other side of the first body adjacent to the openings; the strips on the first rack are removed Inserting the first body into a second mold, the second mold The shape is matched with the second body, and at the same time, the second connecting terminals on a second rack are positioned to one side of the first seat, so that the contact ends of the second connecting terminals can be positioned And extending through the other side of the first socket, the soldering ends of the second connecting terminals and the soldering ends of the first connecting terminals are kept at a certain distance; Placing a second rubber in the second mold to form the second seat body after the second rubber is solidified, the second seat system is fixed on one side of the first seat body, and can cover the first rubber body a fixing portion of the two connecting terminals, so that the welding ends of the second connecting terminals can be The surface of the second body is exposed; and the tape on the second rack is removed to form the signal connector. The process of claim 1, wherein in the step of injecting the first compound into the first mold to form the first body, the contact ends of the first connection terminals are capable of being The front surface of the seat body is exposed, and the welding end thereof can be exposed by the surface of the rear portion of the first seat body; and in the step of injecting the second rubber into the second mold to form the second seat body The contact ends of the second connecting terminals can be exposed by the surface of the front portion of the second base body, and the soldering end thereof can be exposed by the surface of the rear portion of the second base body. The process of claim 2, wherein in the step of positioning the second connection terminals to the side of the first body, the welding ends of the second connection terminals are respectively positioned to the first The position of the welded end of the connecting terminal on the same longitudinal side. The process of claim 3, wherein the first body is recessed with at least one recess, and in the step of injecting the second compound into the second mold, the second compound is Can fill the recess.