JPH0637593Y2 - Pressure welding jig and pressure welding device for double-sided connector - Google Patents

Description

[Detailed Description of the Invention] "Industrial application field" The present invention is to connect a core wire of a multi-core cable to a double-sided connector, and therefore, a pressure welding jig and a pressure welding tool used to hold the core wire at a predetermined interval and arrangement. Regarding the device.

“Prior Art” In recent years, a multicore cable having connectors at both ends is used for connecting electronic devices, for example, connecting a personal computer and a printer. As this connector, a pressure contact type connector that can be connected by simply pushing the core wire into the U contact is used. However, as the number of core wires increases, many U contacts are arranged on both sides of the main body of the connector. Double-sided connectors have come to be used.

FIG. 6 shows an example of a structure in which a core wire of a multi-core cable is connected to a double-sided connector. In the figure, 1 is a multi-core cable, 2 is a shield wire made of a metal mesh, and 3 is a core wire that is itself insulation-coated. Connector 4
The comb-shaped holding grooves 5 for holding the core wires 3 at predetermined intervals and the U contacts 6 for connecting the individual core wires 3 to predetermined terminals are arranged on both sides of the frame 7 made of synthetic resin. It is set up. In this example, the U-contacts 6 are alternately arranged in two upper and lower rows in order to make the pitches of the core wires 3 as close to each other as possible for connection. 8
Is a holding plate which covers the core wire 3 detached from the connector 4, and the U contact 6 when covered.
Are formed in a large number.

To connect a core wire of a multi-core cable to such a double-sided connector, a jig having a comb-shaped holding groove for holding the core wire at a predetermined interval and a press-contact blade for pressing the core wire onto a U contact of the connector Then, attach the core wires in a predetermined arrangement, and press this jig against the surface of the double-sided connector that has U contacts.
This is done by pushing the individual core wires into the corresponding U contacts. Also, after attaching the core wires to the protector (insulating cover) having comb-shaped holding grooves in a predetermined arrangement, press this protector against the surface of the double-sided connector with the U contact to connect the individual core wires and attach the protector. A method of simultaneously performing and is also adopted.

[Problems to be Solved by the Invention] However, the above-described conventional pressure welding jig has a pair of holding members for holding the core wires to be connected to the respective surfaces of the double-sided connector, and the core wires are predetermined in these holding members. Since the holding members were separately pressed against the corresponding surfaces of the double-sided connector to hold them in this arrangement, the workability was particularly poor at the time of press-fitting, which was not suitable for mass production. Similarly, hold the core wire in the holding groove of the protector,
Even in the method in which the core wire is connected and the protector is attached at the same time, it is necessary to separately press the pair of protectors against the corresponding surfaces of the double-sided connector to perform the pressure contact, and thus the workability is poor.

Therefore, an object of the present invention is to provide a press-connecting jig and press-connecting device for a double-sided connector, in which the core wires of a multi-core cable are held in a predetermined arrangement and at a predetermined interval, and then both surfaces of the double-sided connector can be pressed simultaneously. is there.

[Means for Solving the Problems] In order to achieve the above object, the pressure welding jig for a double-sided connector of the present invention holds the core wires at a predetermined interval and arrangement in order to connect the core wires of a multi-core cable to the double-sided connector. In the press-fitting jig, a board with a notch for inserting the core wire in the center part is arranged in parallel with the opposing side parts of this board, and the wiring surface can be turned so as to face upward and inward. A pair of core wire holding members supported by the core wire holding member, wherein the core wire holding member is composed of an outer frame member having a U-shaped cross section, and a pressure contact member arranged in a groove at the center of the outer frame member, A pin is provided on the back side of the press contact member, and the pin extends outward through the back face of the outer frame member. The spring attached to the protruding portion of the pin causes the press contact member to move. So that it always contacts the bottom surface of the outer frame member. It is characterized by being urged to.

The pressure welding device of the present invention comprises: (A) a pressure welding jig having the above-described structure; (B) a holding member for receiving and holding both sides of the pressure welding jig on a substrate; A pair of pressing members that respectively contact the head of the pin with the holding member facing inward, and a press that moves the pressing members inward to press the pin inward and press the press contact ratio inward. And a press device having a mechanism.

In a preferred aspect of the present invention, a holding groove for holding core wires at predetermined intervals is formed on the wire surface of the outer frame member, and the wire wires of the press contact member have the core wires in a predetermined shape of a double-sided connector. Is formed with a press contact blade to be pushed into the U contact.

However, the press-contact jig of the present invention may have a structure in which the protector is arranged on the wiring surface of the press-contact member and the core wires are arranged on the protector.

[Operation] When the press-fitting jig of the present invention is used, the pair of core wire holding members are directed upward, the core wires of the multi-core cable are taken out upward through the notch in the central portion of the substrate, and each core wire is laid on the holding member. Insert and hold in place on the surface.

In this case, in a preferred embodiment of the present invention, the core wire is
It is held by the holding groove of the outer frame member and the press contact blade of the press contact member. In another aspect of the present invention, the core wire is held in a predetermined holding groove of the protector arranged on the press contact member.

Various types of automatic machines and semi-automatic machines can be used to hold the core wires in a predetermined arrangement on the wiring surface of the core wire holding member of the pressure welding jig. For example, Japanese Patent Application No. 1 already proposed by the applicant
The device described in −338527 can be used.

In this way, the core wires of the multi-core cable are held by the pair of holding members of the press-connecting jig in a predetermined arrangement, and then the holding members are rotated so that they face inward. At this time, the protruding pins on the rear surface side of the pressure contact member of the holding member are in a state of penetrating the rear surface side of the outer frame member and projecting to the outside.

The double-sided connector is inserted between the pair of holding members of the pressure welding jig, and the surfaces of the double-sided connector having the U contacts are aligned and held with the wiring surfaces of the corresponding holding members. In this case, the double-sided connector may be held by an appropriate jig and inserted and arranged between the pair of holding members of the pressure welding jig.

Next, both sides of the substrate of this pressure welding jig are inserted into the holding portions of the pressing device and held. At this time, the pressing member of the press device is in contact with the head of the pin of the pressure welding jig. In this state, when the pair of pressing members are moved inward by the pressing mechanism, the pins are pushed inward, the pressing members are moved inward, and are pressed against the corresponding surfaces of the double-sided connector, respectively, and the core wire is It is pushed into the U contact of the double-sided connector to make the connection.

As described above, when the press-connecting jig and the press-connecting device of the present invention are used, the holding members of the core wire of the multi-core cable are held at predetermined intervals and arranged, and then the holding members are respectively directed inward, and between them. By arranging the double-sided connector, the core wires of both sides of the double-sided connector can be pressed and attached at the same time.

[Embodiment] FIGS. 1 and 2 show an embodiment of a pressure welding jig for a double-sided connector according to the present invention.

This press-connecting jig 11 has a U-shaped substrate 13 as a whole in which a notch 12 for inserting a core wire of a multi-core cable is formed in a central portion. A pair of elongated holding members 14 are attached along opposite sides of the substrate 13. The holding member 14 is composed of an outer frame member 15 having a U-shaped cross section, and a pressure contact member 16 arranged in a groove at the center of the outer frame member 15. Both sides of the outer frame member 15 are rotatably supported on the substrate 13 by a pair of shafts 19.

The outer frame member 15 is formed with comb-teeth-shaped holding grooves 17 for holding the core wires at predetermined intervals.

Further, the press contact member 16 is formed with a large number of press contact blades 18 for pressing the core wire into the corresponding U contacts of the double-sided connector. The surface of the holding member 13 on which the holding groove 17 of the outer frame member 15 and the press-contact blade 18 of the press-contact member 16 are formed constitutes a wiring surface (a surface for holding the core wires in a predetermined arrangement) in the present invention. The holding member 13 is rotatable via the shaft 19 between the state in which the wiring surface faces upward and the state in which the wiring surface faces inward.

In the case of this embodiment, two pins 20 are provided on each of the rear surfaces of the pair of press-contact members 16 so as to project therefrom.
Extends through the back surface of the outer frame member 15 and extends rearward. Further, a spring 21 is mounted between the head 20a of the pin 20 and the back surface of the outer frame member 15. By this spring 21, the pressure contact member 16 is normally urged so as to contact the bottom portion of the outer frame member 15, that is, to be retracted into the outer frame member 15. In addition, a through hole is formed in the portion of the substrate 13 where the pin 20 is provided so as not to hinder the rotation of the holding member 14.
22 are formed.

FIG. 3 shows an embodiment of a pressing device used in the pressure welding device of the present invention.

The pressing device 31 has a table 33 on a base 32, and a pair of parallel guide plates 35 are attached to both sides of the front portion of the table 33 via spacers 34. The above-described press-connecting jig 11 is adapted to be held by inserting both side portions of the substrate 13 between the table 33 and the guide plate 35.

Further, a pair of pressing members 36 is arranged between the table 33 and the guide plate 35. The pressing member 36 is connected to the table 33 via a pair of links 37.
It has a parallelogram link structure with 33. Although not clearly shown in the drawing, one end of the pressing member 36 extends rearward below the table 33, and the roller 38 is attached to the end thereof. The roller 38 is exposed on the upper surface through the cutout portion of the table 33.

Further, a column 39 is erected on the rear portion of the table 33,
A handle 41 is attached to the column 39 via a rotation shaft 40. Then, when the handle 41 is rotated, the plate cam 42 is moved up and down via an interlocking mechanism (not shown). The plate cam 42 has its tapered cam surface in contact with the roller 38, and when the plate cam 42 descends, the roller 38
Is pushed forward, and as a result, the pressing member 36 is moved inward by the link mechanism.

FIG. 4 shows the structure of a jig for holding the double-sided connector.

The jig 51 is composed of a prismatic member 52 and a plate member 53 which is attached so as to intersect the back surface of the prismatic member 52. The prismatic member 52 is provided with a notch recess 54 for receiving the double-sided connector 4 at an intermediate portion, and a pressing member 55 for engaging with both end edges of the double-sided connector 4 is provided at both end portions. Therefore, the double-sided connector 4 is laterally inserted into the notched concave portion 54 of the prismatic member 52, and both edge portions thereof are pressed and held by the pressing members 55. Further, the plate member 53 has step portions 56 formed on both sides thereof, and as shown in FIG. 5, when it is inserted into the pressure welding jig 11 and placed on the press device 31, the guide plate 35 is provided. The step portion 56 is engaged and positioned.

Next, a method of using the pressure welding jig and the pressure welding apparatus according to this embodiment will be described.

As shown in FIG. 1, the core wire of the multi-core cable is held on the above-mentioned wiring surface in a predetermined arrangement and at an interval with the wiring surface of the core wire holding member 14 of the pressure welding jig 11 facing upward. That is,
The outer frame member of the core wire holding member 14 is detected while detecting the position of each core wire using various automatic machines and semi-automatic machines as described above.
The core wire is inserted and held in the holding groove 17 of 15 and the press contact blade 18 of the press contact member 16.

In this way, after the core wires are arranged and held by the core wire holding member 14 of the press contact jig 11, the press contact jig 11 is installed in the press device 31 as shown in FIG. That is, the substrate 13 of the pressure welding jig 11
Both side portions of the press device 31 are inserted and held between the table 33 and the guide plate 35 of the press device 31.

In this state, as shown in FIG. 2, the core wire holding members 14 of the press-connecting jig 11 are rotated so that their wiring surfaces face inward. At this time, the head portion 20a of the pin 20 projects from the back surface of the outer frame member 15 of the holding member 14 to both sides and comes into contact with the pressing member 36 of the pressing device 31.

Next, as shown in FIG. 4, the double-sided connector 4 is held by the jig 51. Then, as shown in FIG.
The pressure contact jig 11 held by the press device 31 from above the double-sided connector 4 to hold the pair of core wire holding members of the pressure contact jig 11.
Insert between 14. The U-contacts formed on both surfaces of the double-sided connector 4 by abutting the jig 51 against a predetermined position of the press device 31 presses the holding groove 17 of the outer frame member 15 of the core wire holding member 14 and the press-contacting member 16. It corresponds to the blade 18 exactly.

In this state, when the handle 41 of the pressing device 31 is rotated and the cam plate 42 is lowered, the pressing member 36 is pushed forward via the roller 38, and the action of the link 37 moves the pressing member 36 inward. To do. As a result, the pin 20 of the press contact jig 11 is pushed inward against the spring 21, and the press contact member 16 is pushed inward. Then, the individual core wires held on the wiring surface of the core wire holding member 14 of the press contact jig 11 are separated by the press contact blades 18 of the press contact member 16.
Thus, it is pushed into the corresponding U connector of the double-sided connector 4 and connected. In this way, the core wire 3 of the multi-core cable 1 can be pressed and connected to both surfaces of the double-sided connector 4 at the same time.

[Advantages of the Invention] As described above, according to the present invention, the core wire holding member of the pressure welding jig is made rotatable so that the wiring surface faces upward and inward, and the core wire holding member serves as the outer frame member. Since the pressure contact member is configured to be movable inwardly through the pin by configuring with the pressure contact member, the core wire of the multi-core cable is arranged on the wire contact surface with the wire contact surface of the core wire holding member facing upward. After holding, the wiring surface of the core wire holding member faces inward, the double-sided connector is inserted between them, and the pressing device presses the press-contacting member inward through the pin by the pressing device, so that the core wire of the multi-core cable is connected. Since the U contacts on both sides can be simultaneously pressed, workability can be improved and production efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a pressure welding jig for a double-sided connector according to the present invention, FIG. 2 is a front view of the same pressure welding jig, and FIG. 3 is an embodiment of a pressure welding apparatus for a double-sided connector according to the present invention. 4 is a perspective view showing a jig for holding the double-sided connector, FIG. 5 is a perspective view showing a state in which the double-sided connector is assembled to a pressure welding jig on the press machine, and FIG. It is a perspective view which shows an example of the state which connected the core wire of a multicore cable to the double-sided connector. In the figure, 1 is a multi-core cable, 3 is a core wire, 4 is a double-sided connector, 11 is a pressure welding jig, 12 is a notch, 13 is a substrate, 14 is a core wire holding member, 15 is an outer frame member, 16 is a pressure welding member, 17 is a holding groove, 18
Is a press contact blade, 19 is a shaft, 20 is a pin, 20a is a head, 21 is a spring, 31 is a press device, 33 is a table, 35 is a guide plate,
36 is a pressing member, 37 is a link, 38 is a roller, 41 is a handle, and 42 is a cam plate.

Claims (3)

[Scope of utility model registration request] 1. A pressure welding jig for holding a core wire of a multi-core cable to a double-sided connector for holding the core wire at a predetermined interval and arrangement, and a substrate provided with a notch for inserting the core wire in a central portion. A pair of core wire holding members that are arranged in parallel to the opposite sides of the substrate and are rotatably supported so that the wiring surface faces upward and inward, and the core wire holding member has a U-shaped cross section. The outer frame member and the pressure contact member arranged in the groove at the center of the outer frame member, and the rear surface of the pressure contact member has a pin protruding from the rear surface of the outer frame member. Is extended outward through the pin, and a spring attached to a protruding portion of the pin urges the pressure contact member so as to normally contact the bottom surface of the outer frame member. A pressure welding jig for double-sided connector. 2. A holding groove for holding a core wire at a predetermined interval is formed on a wiring surface of the outer frame member, and the core wire is provided on the wiring surface of the press contact member at a predetermined U contact of a double-sided connector. The pressure welding jig for a double-sided connector according to claim 1, wherein a pressure welding blade is formed for pushing the blade into the pressure welding jig. 3. (A) A pressure welding jig for holding a core wire of a multi-core cable to a double-sided connector so as to hold the core wire at a predetermined interval and arrangement, and a notch for inserting the core wire in a central portion. And a pair of core wire holding members that are arranged in parallel with the opposite side portions of the board and that are rotatably supported so that the wiring surface faces upward and inward. Is composed of an outer frame member having a U-shaped cross section, and a pressure contact member arranged in a groove in the central portion of the outer frame member. A spring attached to the protruding portion of the pin urges the pressure contact member so as to normally contact the bottom surface of the outer frame member. And (B) receiving both sides of the board of the pressure welding jig. A holding portion to be held, a pair of pressing members that hold the press-fitting jig and contact the head portion of the pin while the core wire holding member faces inward, and move the pressing members inward. And a pressing device that presses the pin inwardly and presses the pressing member inward, and a pressing device for a double-sided connector.