JPH05144538A - Connector connection device - Google Patents

Abstract

PURPOSE:To improve working performance and efficiency by automating the stranding back and the separating of cable cores and the color sorting of coated cores, and connecting the cores to the fixed positions of a connector correctly. CONSTITUTION:A cut off cable is inserted into the core guide portion 1 of a subunit separation mechanism A so as to take out the cores via a pickup portion 2. In a cores stranding back and conveying mechanism B, the core wires are drawn through a stranding off belt 6 having a stranding off portion 5 so as to separate the core wires into the single-core wires, in the conveying down process of the core wires by means of a screw 3, and the single-core wires are conveyed to a cores wiring mechanism D via a tension belt 8. In the mechanism D, the single-core wires are detected based on the kind of colors by one core unit under the control of an inspection unit provided with a color sensor so as to be wired. In a core wire press welding and cutting mechanism E, the extra lengths of the core wires are cut off, and a connector cover is engaged and press welded with a connector main body being wired. The wiring of the connector is correctly performed without requiring any manpower, and working performance is improved thereby.

Description

Detailed Description of the Invention

[0001]

[Industrial applications]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic mounting device for connecting a cable core wire for communication and other electrical wiring to a connector.

[0002]

2. Description of the Related Art Conventionally, as a mounting device for tightening a connector for connecting a core wire of a telephone cable,
JP-A-63-207073 and JP-A-63-207
It is known that the connector body is fitted and tightened with a cover by a manual operation of a handle such as Japanese Patent No. 075.

[0003]

However, in this conventional mounting device, an extra cable is used to insert the cable core wire into a predetermined position of the connector body and wire it, and then press fit the cover to the connector body to tighten the cover. Cutting and removing the ends is all manual work, and with a multi-core cable, it must be operated many times, and since there is untwisting of the cable core wire, workability is poor, it takes time and labor, Moreover, the work of confirming whether or not the arrangement position of the cable core wires is wrong is complicated, and there is a problem that the connector cannot be efficiently connected. The present invention is intended to eliminate these conventional drawbacks, the core wire can be untwisted and stably kept separate, and the core wire connection can be automatically performed easily, and the connection work can be performed accurately in units of a plurality of pairs. It is an object of the present invention to provide a connector mounting device that can be efficiently performed, that is, the management of core wire connection processing can be automated and the work time can be shortened by reducing the number of work steps, and that the wiring adjustment can be easily performed.

[0004]

SUMMARY OF THE INVENTION The present invention is a connector mounting device for connecting a cable core by laying a core wire on a connector body containing a plurality of contacts and then press-fitting and tightening a connector cover to tighten the connector cover. In, a subunit separating mechanism having a core wire guide part and a core wire pickup part, a core wire carrying part having a screw and a contact plate, and a twisting belt having a part for twisting the core wire transferred by the core wire carrying part into A core wire untwisting / conveying mechanism composed of a tension belt having a tension part, an inspection unit including a color sensor having a function of covering the color of the cable core wire provided in the core wire transfer path, and a wiring position determined by the inspection unit. A core wire arranging mechanism for arranging a single core wire stretched by a core wire unwinding and conveying mechanism on the connector body, and a connector cover on the wired connector body. Which is a connector mounting apparatus characterized by comprising: a pusher for engaging crimping, a core wire pressure contact cutting mechanism having a cutter for cutting the wire excess length.

[0005]

[Function] When wiring a large number of core wires to the connector body, connect the cable core wires by laying the core wires on the connector body containing a plurality of contacts and then press-fitting and tightening the connector cover to tighten it. To do this, insert the cut cable into the core guide of the subunit separation mechanism and push it in while pushing down the stopper, and the core pickup will move forward to receive the core, rotate it to chuck it, and move it to the screw. After inserting the core wire, the core wire pick-up section reversely rotates back, the core wire is removed, and then the core wire is lowered and conveyed by the screw, while the core wire is a twisting belt with a twisting part in the process of being conveyed by the screw. Then, a plurality of twists are returned and separated into a single-core wire, which is further pulled by a tension belt having a tension part and transferred to a single-core wire screw located below. When the wire is conveyed to the core wire arranging mechanism, that is, it is sandwiched between the twisting plates and the twisting part on the twisting belt moves to squeeze the core wire, and the screw is further conveyed from the upper side to the lower side. A certain tension part pulls the core wire to untwist the core wire, inserts the wires one by one into a single-core wire screw, conveys them, and while pulling them, moves them downward with the screw and transfers them to the core wire laying mechanism. Next,
In the core wire arranging mechanism, with the core wire pressing plate approaching the horizontally pulled core wire and sandwiching it between the pair of supporting rods, the drive unit is selected by the color selection by the inspection unit at the wire arranging position of the chucked connector body. When the core wire pressing plate is operated and moved in the horizontal direction and positioned, the core wire pressing plate is moved forward, and in the process, the core wire M sandwiched between the pair of support rods 44, 44 is rotated by 90 degrees and held, Insert the wire into the fixed comb teeth of the connector body, and then move the core wire pressing plate back and rotate it back to return the core wire to the fixed comb teeth, and repeat this operation for each core wire to complete the wiring. Let
Then, at the core wire pressure contact cutting portion, the connector cover clamped and set by the cover setting claw is rotated and pushed out by the pusher, press-fitted and fitted into the wired connector body, and then the handle is returned. Next, push the push button to stick out the core wire cutter and fix it, and then turn the handle again to move the core wire cutter forward with the pusher and cut the excess length of each core wire that has been laid out at once. If the handle is returned to return the core wire cutter to its original position, it is ready for the next core wire pressure welding cutting. Thus, the inspection unit can detect the color of each core one by one, determine the wiring position and wire the connector body, and the connector cover can be crimped to efficiently perform the connecting and mounting work.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 16. As shown in FIGS. 1 to 3, a core wire is laid on a connector body containing a plurality of contacts, and then a connector cover is attached. A connector mounting device for connecting a cable core wire by press-fitting and tightening, and a subunit separation mechanism A having a core wire guide portion 1 and a core wire pickup portion 2.
, A core wire carrying section having a screw 3 and a contact plate 4, and a twisting belt 6 having a twisting section 5 of a twisting rubber for squeezing a core wire transferred by the core wire carrying section and a tension section 7 such as a tension rubber.
A core wire untwisting conveyance mechanism B including a tension belt 8 having
An inspection unit C including a color sensor having a function of differently covering the cable core wire provided in the core wire transfer path, and a single wiring line that is positioned by the inspection unit C and stretched by the core wire untwisting and conveying mechanism B. A core wire arranging mechanism D for arranging a core wire on the connector body, a pusher 9 held by the connector chucking portion F for engaging and crimping a connector cover on the laid connector body, and a core wire extra length is cut. And a cutter 10 and a core wire pressure contact cutting mechanism E and a connector mounting device.

As the sub-unit separating mechanism A, as shown in FIGS. 4 and 5, a stopper 11 is provided in a core wire guide portion 1 for inserting a core wire so as to project and retract. The pick-up section 2 is provided with a bifurcated clip 13 at the tip end elastically on the arm end plate 15 with a coil joint 14, and the arm end plate 15 is provided with an arm guide 26 via an arm 16. The slider 17 is slidably mounted on the slider 17 and is connected to the pulse motor 12 by a transmission member of the rack gear 18 to reciprocate the clip 13 in the front-rear direction. It is adapted to be drawn into the multi-core wire screw 3. The slider 1
7, a pulse motor limit sensor shutter 20 is provided, and a pulse motor limit sensor 22 provided on a mounting plate 21 can control the forward / reverse rotation stop operation of the motor. The arm end plate 15 is rotatably provided on the arm 16 by a rotation shaft 25, is connected to a DC motor 28 via a joint 27, and rotates the grip 13 forward and backward at a 90-degree angle. In the subunit separating mechanism A, when the cut cable is inserted into the core wire guide portion 1 and the stopper 11 is pushed in while being pushed down, the core wire pickup portion 2 advances to receive the core wire into the grip 13 and rotate the grip 13. After chucking and moving to insert the core wire into the screw 3, the core wire pickup unit 2 reversely rotates and returns, and after removing the core wire, the screw 3 conveys the core wire downward.

The core wire untwisting and conveying mechanism B comprises a multi-core wire conveying screw 3 and a single-core wire conveying screw 30 which are arranged in close proximity to each other and are arranged in two stages, one for upper and the other for lower cores. The screw is exposed to the untwisting belt 6, and a part of the tension belt 8 interlocking with the untwisting belt 6 is provided in opposition to the single core wire conveying screw 30. The single core wire conveying screw 30 In addition, an inspection unit C including a color sensor 29 is provided, and further, a core wire insertion screw adjusting knob 31 of the multi-core wire conveying screw 3 is aligned with a scale 32 so that an adjusting spring 33 can be moved to move the core wire to the screw 3. Care is taken to optimize the insertion.
As shown in FIG. 6, each of the screw 3 and the screw 30 has a timing belt 36,
The core wire transporting section is configured to connect and drive 37, and move down the core wire inserted in the screw and transfer it to the core wire laying mechanism. During this transfer process, the core wire is squeezed, and the twisting and separation work is performed. Then, a double core, for example, four wires are made into a single core wire and inserted into the core wire arranging mechanism by the screw 30.

For example, as shown in FIGS. 7 and 8, a twisting belt 6 in which twisting portions 5 of a rubber track are arranged at appropriate intervals is endlessly hung and installed on a screw 3 so that it can travel freely. Tension belt 8 that is interlocked with belt 6 and interlocking belt 38
Is installed so as to run freely over the screw 3 and the screw 30, and a core wire that is separated and lowered by the twisting portion 5 of the twisting belt 6 is received by the tension portion 7 and fed to the core wire laying mechanism D. A twisting plate 41 elastically mounted on a supporting plate 39 by a spring 40 is provided on each of the belts 6 and 8 so that a core wire is held and conveyed, and a tension belt is connected to an AC motor 43 via a joint 42. It is instructed to drive the eight pulley.

Then, in the process of being conveyed by the screw 3, the core wire is squeezed by the twisting belt 6 having the twisting portion 5, and a plurality of twists are returned and separated into a single core wire, and the tension portion 7 is provided.
Is further pulled by a tension belt 8 and is transferred to the single-core wire screw 30 below and is conveyed to the core wire arranging mechanism D as a single core wire, that is, it is sandwiched by a twisting plate and twisted on the twisting belt 6. In the process of moving the part 5 to squeeze the core wire and convey the core wire from above to below with the screw, the core wire is further pulled back by the tension part in the tension belt to separate and twist the core wire, and the single core wire screw 30 is inserted one by one and conveyed. In the pulled state, it is further moved downward by the screw 30 to be efficiently transferred to the core wire arranging mechanism D.

The core wire arranging mechanism D is shown in FIG.
As shown in FIG. 11, a core wire pressing plate 45 to which a pair of supporting rods 44 are attached with steps is rotatably provided between the wiring guide 50 and the wiring position movement guide 51 by a guide pipe 46, and The pipe 46 is provided so as to be movable in the front-rear direction and the left-right direction. That is, the guide pipe 46 to which the core wire pressing plate 45 is attached is fitted into the screw groove 49 in the holder 48 by the protruding pin 47 and supported so as to rotate 90 degrees, and the moving guide 51 is movable on the rail 52. It has a sacing portion 53 and is connected to a pulse motor 55 by a timing belt 54 so that it can be moved in the left and right directions. On the other hand, the guide pipe 46
Is configured to be slidably supported in a long hole 58 provided in the wiring guide 50 so that the entire stroke of the wiring position can be moved. The wiring guide 50 is slidably mounted on a rail 59. The rack 56 and the pinion 57 are connected to the AC motor 60 so that the rack motor and the pinion 57 can be moved in the front-rear direction. There is a chuck claw 61 for bending both ends of the core wire in the opposite direction, and the core unit is moved to the wiring position of the connector body held by the chucking portion F capable of rotating 180 degrees at the command of the inspection unit C, then stopped and moved forward. The fixed comb teeth 62 of the connector body are fitted so that they can be retracted. That is, in a state where the core wire pressing plate 45 approaches the horizontally pulled core wire M and is sandwiched between the pair of support rods 44, 44, the inspection unit C drives the color selection to the wiring position of the chucked connector body. When the core wire pressing plate 45 is moved and positioned in the horizontal direction by operating the motor 55 of the section, the core wire pressing plate 45 is moved forward by the motor 60, and in the process, the core wire M sandwiched between the pair of supporting rods 44, 44 is moved. When the core wire pressing plate 45 is retracted and reversely rotated back while being inserted into a predetermined fixed comb tooth of the connector body while being rotated and held by 90 degrees, the core wire M is held in the fixed comb tooth. The operation is sequentially repeated for each core wire M to complete the wiring.

Further, as the core pressure welding cutting mechanism E,
As shown in FIGS. 12 and 13, a pusher 9 of an extrusion cam having an operation handle 63 and a core wire cutter abutting plate 65 that abuts on the pusher 9 are provided in a holder 66, and a cutter 10 having a comb-shaped blade portion is provided. The cutter 10 is supported by the chuck claw 61 of the chucking portion F and is pushed out toward the core wire laid on the connector body. It is arranged facing the holder of the chucking portion F of the connector body. The holder is provided with a set claw 67 of a connector cover, which is provided so as to face the pusher 9 serving as a pressure contact portion so as to be fitted into the connector body. Further, the connector table 68 has a chuck member 61 for locking the connector via a mounting member 69.
And has a fixed comb tooth 62, and the support shaft 70
The support shaft 70 is provided with a table stopper handle 71 at one end thereof. The cutter 10 is slidably provided on a cutter holder 66, and a push button 73 of the cutter 10 is associated with an operation portion provided on a cutter pushing rod 74 having a tip cam shape so that the cutter blade tip is relative to the holder 66. It is incorporated so that it can be projected and retracted, and can be controlled by the fixed hook release knob 75.

Then, the connector cover sandwiched and set by the cover setting claw 67 is rotated by the handle 63 and pushed out by the pusher 9, is press-fitted into the wired connector body and tightened, and then the handle 63 is returned. Next, when the push button 73 is pressed to project and fix the core wire cutter 66, the handle 63 is rotated again, and the core wire cutter 10 is advanced by the pusher 9 to cut the extra length of each core wire laid at once. Further, if the handle 63 is returned and the core wire cutter 10 is returned to the original position, it is prepared for the next core wire pressure welding cutting.

As shown in FIG. 14, the inspection unit C for controlling the wiring position in the core wire wiring mechanism D detects the color of each core by the color sensor 29, determines the wiring position, and determines the wiring position on the connector body. It is provided on the single-core wire conveying screw 30 so that wiring can be carried out and the connection and mounting work can be efficiently performed by crimping the connector cover. However, it is provided in the process in which the core wire is separated and conveyed on the screw 3 side. It can also be detected. For example, the color sensor 29 is located at the position where the single core separation is started from the single core separation start position and the core wire conveying screw is rotated once, and the core wire is disengaged from the screw within one rotation of the single wire separating screw and the core wire conveying screw from the wiring position. In addition, it is considered that the single core is separated, and one core is separated by one rotation of the core wire conveying screw. Further, the inspection unit C including the color sensor 29 communicates with the lamp and the color detector by an optical fiber, and has a wire diameter (insulation coating diameter) of 0.
A color sensor is used which enables non-contact measurement of 8 color colors of 48 to 1.26φ and enables data processing by inputting data into a microcomputer through a widening device and an A / D converter. At 29, the cable core wire, for example, 20 colors are read, and the colors of all the core wires are read as data. For example, D _{1 to} D ₄ are blue / white / brown / black and D ₅ to
Yellow / white / brown / black for D ₈ and green / white / brown / black for D _{9 to} D ₁₂ .
D ₁₃ to D ₁₆ to confirm whether the red, white and brown, black, D ₁₇ to D ₂₀ purple, white, brown, black data is on, a normal case by starting the sequential pulse motor After feeding, the first core wire is moved so that it comes to the wiring position of the connector body, and when it is abnormal, it is stopped at that point.

The mounting of the connector body and the connector cover on the chucking portion F is done manually, but it can also be automatically supplied by a cartridge in an extrusion method. Further, fixing of the cut cable to the subunit separation mechanism A, supply work, and core pressure welding cutting mechanism E
The pressure welding, cutting, and connector removal are performed manually.

As shown in FIG. 15, the connector mounting device main body 76 is disposed on the lifter table 77, and the display plate 78 is provided.
It is preferable that the cable 80 be connected to a control device 79 for control so that the cable 80 is fixed by a pair of holders 81 and 81 and two cables are provided in the vicinity of the connection portion 82 to work.

Further, each drive unit of the connector mounting apparatus main body 76 has an I / O interface board 8 as shown in FIG.
Drive motors 12, 28, 34, 3 connected to
5, 43, 55 and 60 are capable of successively performing the steps of sub-unit separation, cable cut feed, core wire feed, core wire twist back, wire table movement, and wire pressure welding. In the figure, reference numeral 84 is a power source, 85 is a switch lamp, 86 is a brake pack, 87 is a wire pressure welding auxiliary motor, 88 is a PG, 89 is a driver, and 90 is a microcomputer.

[0018]

According to the present invention, a sub-unit separating mechanism having a core wire guide portion and a core wire pickup portion, a core wire carrying portion having a screw and a contact plate, and a core wire transferred by the core wire carrying portion are twisted and squeezed. A core wire untwisting and conveying mechanism including a twisting belt having a portion and a tension belt having a tension portion,
An inspection unit including a color sensor having a coating color-differentiating function of the cable core wire provided in the core wire transfer path, and a single core wire that is wire-positioned by the inspection unit and stretched by the core wire untwisting and conveying mechanism are described above. A core wire wiring mechanism for wiring the connector body, a pusher for engaging and crimping the connector cover on the wired connector body, and a core wire pressure welding cutting mechanism having a cutter for cutting the extra length of the core wire. The core cable can be separated and transferred efficiently, and the twisting back can be done accurately to easily install it in the connector body.
Hold the wire without disconnecting it, and perform the connection work accurately and efficiently in units of multiple pairs, and the core wire connection automatic work is possible, which shortens the work time by automating the machining control and reducing the work man-hour. Wiring can be adjusted easily, and the wiring work to the connector can be done automatically without requiring any manpower, and the workability can be greatly improved.
The wiring of the connector can be performed accurately, a safe and efficient connector connection is possible without erroneous work, and the mounting position for connection can be freely adjusted, resulting in significantly improved workability. There is.

[Brief description of drawings]

FIG. 1 is a side view of an entire apparatus according to an embodiment of the present invention.

2 is a plan view of the embodiment of FIG.

FIG. 3 is a front view of the embodiment of FIG.

4 is an enlarged side view of the subunit separating mechanism A in FIG.

5 is a plan view of the embodiment of FIG.

6 is an enlarged side view of the core wire untwisting and conveying mechanism B in FIG.

FIG. 7 is a plan view of the embodiment of FIG.

FIG. 8 is a front view of the embodiment of FIG.

9 is an enlarged plan view of the core wire wiring mechanism D in FIG. 1. FIG.

FIG. 10 is a side view of the embodiment of FIG.

FIG. 11 is a front view of the embodiment of FIG.

FIG. 12 is an enlarged plan view of the core wire pressure contact cutting mechanism D in FIG. 1.

FIG. 13 is a side view of the embodiment of FIG.

14 is an enlarged vertical cross-sectional view taken along the line I-I in FIG.

15 is a perspective view showing one usage state of the embodiment of FIG. 1. FIG.

FIG. 16 is a block diagram of a drive unit of the embodiment of FIG.

[Explanation of symbols]

 A Sub-unit separation mechanism B Core wire untwisting transport mechanism C Inspection unit D Core wire wiring mechanism E Core wire pressure welding cutting mechanism F Connector chucking part 1 Core wire guide part 2 Pickup part 3 Screw 4 This plate 5 Twisting part 6 Twisting belt 7 Tension part 8 Tension belt 9 Pusher 10 Cutter 11 Stopper 12 Pulse motor 16 Arm 17 Slider 18 Rack gear 19 Pinion 25 Rotating shaft 28 Motor 29 Color sensor 30 Screw 34 Motor 35 Motor 41 Twisting plate 43 Motor 44 Support rod 45 Pressing plate 46 Guide Pipe 50 Wiring guide 51 Movement guide 55 Motor 56 Pinion 57 Rack 61 Chuck claw 62 Fixed comb tooth 65 Attenuation plate 66 Cutter holder 67 Connector cover claw 68 Connector table 73 Push button

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ichiro Tanaka 1-25-17 Himonbunya, Meguro-ku, Tokyo Toto Soken Co., Ltd. (72) Inventor Tatsuro Oikawa 1-25-17 Himonya, Meguro-ku, Tokyo Shares Toto Soken Co., Ltd. (72) Inventor Mitsuhiro Minamihiro, 1-25-17 Himonya, Meguro-ku, Tokyo Stocks Toto Soken Co., Ltd. (72) Inventor Satoshi Matsuhashi 1-1-6 Uchiyuki-cho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corp. (72) Inventor Naoki Nakao 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Japan Telegraph and Telephone Corp. (72) Inventor Tadahisa Haragawa 1-1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo Nihonhon Telegraph and Telephone Corp. (72) Inventor Minoru Sakaue 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corp.

Claims (3)

[Claims] 1. A connector mounting device for connecting a cable core wire by laying a core wire on a connector body containing a plurality of contacts, and then press-fitting and tightening a connector cover to connect the cable core wire. A subunit separating mechanism having a pickup section, a core wire conveying section having a screw and a contact plate, a twisting belt having a twisting section for squeezing the core wire transferred by the core wire conveying section, and a tension belt having a tension section A core wire untwisting and conveying mechanism, and an inspection unit including a color sensor having a function of coating different colors of the cable core wire provided in the core wire transfer path, and wiring is positioned by the inspection unit. A core wire laying mechanism for laying a stretched single core wire on the connector body, and a pusher for engaging and crimping a connector cover on the laid connector body. And a core wire pressure contact cutting mechanism including a cutter for cutting an extra length of the core wire. 2. The core wire untwisting / conveying mechanism comprises a multi-core wire conveying screw and a single-core wire conveying screw arranged in proximity to each other, and the multi-core wire conveying screw is exposed to the untwisting belt, The connector mounting device according to claim 1, wherein a part of a tension belt that interlocks with the twisting belt is opposed to the single-core wire conveying screw. 3. The core wire arranging mechanism is provided with a core wire pressing plate having a pair of supporting rods attached at different levels so as to be rotatable with a guide pipe, and the guide pipe is provided so as to be movable in the front-rear direction and the left-right direction. Claim 1 or 2 which consists of
The connector mounting device described.