JP3541567B2 - Contact swaging device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a contact caulking device for caulking and fixing a contact piece cut from a contact wire to a mounting hole of a contact plate.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there is a contact swaging apparatus of this type having a configuration shown in FIGS. The thing is, a pair of cutters C for movable same horizontal line, each C is the upper two contacts wire comes in parallel downward from A, the contact pieces A ₁ for each predetermined length from the distal end of A as well as cut and transported respectively the contact pieces a ₁ to the position of the attachment hole B ₁ of the contact plate B. Then, the descending caulking punch D applies a pressure deformation to each contact piece A _{1 in} a state of being received by the caulking pin E, so that each of the two contact pieces A ₁ , A ₁ has a contact. The two mounting holes B ₁ , B ₁ of the plate B are simultaneously caulked and fixed.
[0003]
[Problems to be solved by the invention]
In the above-mentioned conventional contact caulking device, two contact pieces A ₁ , A ₁ are simultaneously caulked and fixed to the two mounting holes B ₁ , B ₁ of the contact plate B, respectively. Since the contact wires A, A are used, two members for operating each contact wire A are required so that the contact piece A ₁ of a predetermined length can be cut by the cutter C, and two members are required. The operation for setting the device must be performed twice.
[0004]
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to simultaneously fix two contact pieces to two mounting holes of a contact plate and to fix one contact wire at a time. An object of the present invention is to provide a contact caulking device that can be performed only by using a contact crimping device.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the device according to claim 1 is configured to move in a horizontal direction, cut two contact pieces from one contact wire, and then transfer each contact piece to a predetermined position. It is configured to include a pair of cutters arranged vertically and a pair of caulking punches movable in the same vertical direction to caulk and fix the two contact pieces to the mounting holes of the contact plate.
[0006]
The pair of cutters are configured to be movable in opposite directions.
[0007]
In addition , the pair of cutters are movable in a direction to increase the overlapping portion of each other, and a through-hole through which a caulking punch can be inserted to fix the contact piece transferred to a predetermined position by one cutter to the other cutter. It has a configuration provided.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment of the present invention will be described below with reference to FIGS. First, the contact wire A used in the present embodiment is a wire made of a silver material, and the contact plate B has two contact pieces A cut to a predetermined length from the tip of the contact wire A, respectively. _1, the a ₁ 2 pieces of mounting holes B _1, the B ₁ in the longitudinal direction to be caulked is a hoop-shaped conductive material provided continuously at a predetermined pitch, each wound on a reel (not shown) Supplied.
[0009]
1, 1 are a pair of cutters, each of which is formed in a flat and long shape, and has a cutter hole 1a having substantially the same diameter as the contact wire A at the front end thereof, and a caulking punch 2 to be described later inserted at the rear end. A through hole 1b is provided. The pair of cutters 1, 1 are guided by the stripper plate 11 and the cutter receiver 12, and are vertically overlapped with each other. 13 respectively.
[0010]
The above-mentioned stripper plate 11 positions the silver wire unit 14 which guides and sends the silver contact wire A at a central portion, and guide holes 11a, 2a of a pair of caulking punches 2 described later are provided on both sides of the central portion. The cutter receiver 12 is provided with a pair of caulking punches 2, 2 at the same pitch as the guide holes 11a.
[0011]
Reference numerals 2 and 2 denote a pair of caulking punches, each having a tip portion having substantially the same diameter as the contact wire A, formed in a pin shape, and fixed to the upper die set 15 via an upper backing plate 17 for determining a vertical stroke. The two contact holes B ₁ , B ₁ of the contact plate B are held on both sides of the silver wire guide rod 18 by the punch plate 16 at the same distance.
[0012]
The above upper die set 15 is provided with a pair of driving cams 19, 19 which are fitted to the cutter cams 13, 13 to move the pair of cutters 1, 1 in the horizontal direction. Are not fitted to the cutter cams 13, 13, the pair of cutters 1, 1 are returned by the return springs 13a, 13a engaged with the cutter cams 13, 13, at which time the cutter holes 1a, 1a are As shown in FIG. 2A, the contact wires A are in communication with each other so that the distal ends of the contact wires A can be inserted therethrough.
[0013]
Reference numerals 3 and 3 denote a pair of caulking pins, each of which is formed in a pin shape having a tip portion having substantially the same diameter as that of the contact wire A, and attached to the two contact plates B in the same manner as the pair of caulking punches 2 and 2. The holes B ₁ , B ₁ are attached to the mold 19 at the same distance as the holes.
[0014]
The above-described mold portion 19 is positioned by a die plate 22 fixed to a lower die set 21 via a lower backing plate 23. A hoop-shaped contact plate B is arranged between the mold portion 19 and the cutter receiver 12 so as to be transported in the longitudinal direction.
[0015]
Next, the operation will be described. In FIG. 2 (a), as described above, the distal end of the contact wire A is inserted into the communicating two cutter holes 1a, 1a of the pair of cutters 1, 1 in the restored state. When the upper die set 15 is lowered and the pair of driving cams 19, 19 are fitted to the pair of cutter cams 13, 13, the pair of cutters 1, 1 are pressed against the spring force of the return springs 13a, 13a. As shown in FIG. 2B, by moving in the direction of increasing the overlapping portion of each other, that is, in the center direction, the tip end of the contact wire A is made into two contact pieces A by the cutter holes 1a, 1a that have been inserted. _1, to cut the a _1.
[0016]
At this time, one of the cutter 1 to cut the lower contact piece A ₁ is earlier than 3 (a), the other of the cutter 1 to cut the upper contact pieces A ₁ to a state to be left cut portion It is desirable to cut both upper and lower contact pieces A ₁ , A ₁ as shown in FIG. 2 (b), so that the so-called secondary shear phenomenon is eliminated, and Powder generation is reduced.
[0017]
Next, as shown in FIG. 2 (c), two contact pieces A ₁ , A ₁ cut by the two cutter holes 1a, 1a of the pair of cutters 1, ₁ are separated by the pair of cutters 1, 1. When the pair of caulking punches 2, 2 are transferred to predetermined positions of the through holes 12a, 12a provided in the receiver 12, the pair of caulking punches 2, 2 are guided by the guide holes 11a, 11a of the stripper plate 11 and descend. Then, the lower contact pieces A ₁ was cut by one cutter 1, the through hole 12a of the cutter receiving 12 by caulking punch 2 while the through hole 12a came lowered by inserting provided on the other of the cutter 1 pushed to the inner, also upper contact pieces a ₁ which is cut by the other cutter 1 to be inserted through the through hole 12a provided on one of the cutter 1 along with other caulking punch 2 cutter receiver 12 of the through hole 12a in Pushed.
[0018]
Next, as shown in FIG. 2 (d), each of the two contact pieces A ₁ , A ₁ is pressed and deformed by a pair of caulking punches 2, 2 while being received by a pair of caulking pins 3, 3. By being added, it is simultaneously caulked and fixed to the two mounting holes B ₁ , B ₁ of the contact plate B.
[0019]
Thereafter, the upper die set 15 is raised by operating contrary to the above, as well as restored to the original state of FIG. 2 (a), the contact plate B is the longitudinal direction by one pitch of the mounting holes B ₁ It is transferred to prepare for the next operation similar to the above.
[0020]
In such a contact caulking device, as described above, the two contact pieces A ₁ , A ₁ are simultaneously caulked and fixed to the two mounting holes B ₁ , B ₁ of the contact plate B by the vertical A pair of cutters 1,1 respectively arranged in a horizontal direction move the two contact pieces A ₁ , A ₁ from one contact wire A, and then move in the same vertical direction. to be able to the respective contact pieces a ₁ is a pair of crimping punches 2,2 transferring each to a predetermined position of caulking.
[0021]
The pair of cutters 1,1, by providing the through hole 1b of the contact piece A ₁ that has been transferred to a predetermined position may be inserted in the caulking punch 2 for caulking the other of the cutter 1 by one of the cutter 1, another The contact piece A ₁ is moved in the horizontal direction to transfer the contact piece A ₁ so that the space in the horizontal direction can be reduced, and the contact piece A _{1 in the} middle of the transfer can be moved by the other cutter 1 And smoothly transported to a predetermined position.
[0022]
Next, a reference example to be referred to in the present invention will be described below with reference to FIG. Note that members having substantially the same functions as those of the first embodiment are denoted by the same reference numerals, and differences are described.
[0023]
That is, the pair of cutters 1 and 1 of the first embodiment are configured to move in the direction of increasing the overlapping portion of each other, that is, in the direction toward the central portion to transfer each contact piece A1, but this reference example After cutting the contact piece A1 as shown in FIG. 4 (a), the pair of cutters 1 and 1 are moved in opposite directions away from the center to transfer each contact piece A1. As shown in (1), it is caulked and fixed by a pair of caulking punches 2,2. Therefore, unlike the first embodiment, the other cutter 1 is not provided with the through-hole 1b through which the caulking punch 2 for caulking and fixing the contact piece A1 transferred to a predetermined position by the one cutter 1 can be inserted.
[0024]
In such a contact caulking device, the two contact pieces A ₁ , A ₁ are simultaneously caulked and fixed to the two mounting holes B ₁ , B ₁ of the contact plate B in the same manner as in the first embodiment. However, this can be performed only by using one contact wire A, the space in the horizontal direction can be reduced, and it is not necessary to provide the cutter 1 with a through hole 1b through which the caulking punch 2 can be inserted. However, a pair of cutters 1,1, because to transfer the respective contact pieces A ₁ and movable in a direction away from the central portion to each other, each contact piece in between the position where each other is no longer polymerized to be transported to a predetermined position for those that guide the upper or lower side of the a ₁ is eliminated, it is necessary to set the timing so that each contact piece a ₁ is not protrude from the pair of cutters hole 1a of the cutter 1.
[0025]
Next, another reference example serving as a reference in the present invention will be described below with reference to FIG. Note that members having substantially the same functions as those of the first embodiment are denoted by the same reference numerals, and differences are described.
[0026]
That is, the pair of cutters 1, 1 of the first embodiment are configured to move in the opposite direction to transfer each contact piece A1, but the pair of cutters 1, 1 of the present reference example After cutting the contact piece A1 as shown in FIG. 5 (a), each contact piece A1 is moved while being moved in the same direction, and is caulked by a pair of caulking punches 2, 2 as shown in FIG. Fixed. Therefore, the through hole 1b through which the caulking punch 2 can be inserted is provided in one cutter 1 for cutting the lower contact piece A1 in the same manner as in the first embodiment, but the other cutter for cutting the upper contact piece A1. Not provided in 1.
[0027]
In such a contact caulking device, the two contact pieces A ₁ , A ₁ are simultaneously caulked and fixed to the two mounting holes B ₁ , B ₁ of the contact plate B in the same manner as in the first embodiment. However, this can be done by using only one contact wire A. However, a pair of cutters 1,1, the movable stroke increases to transfer each contact piece A ₁ and movable in the same direction to each other, therefore, to be applied when there is sufficient horizontal space Become.
[0028]
【The invention's effect】
According to the first aspect of the present invention, as described above, a pair of upper and lower cutters are arranged in the horizontal direction to simultaneously caulk and fix each of the two contact pieces to the two mounting holes of the contact plate. By moving to, it can be performed only by using one contact wire.
[0029]
Moreover , the pair of cutters can move in the opposite horizontal directions to transfer the respective contact pieces, so that the horizontal space can be reduced.
[0030]
Further , since the pair of cutters are movable in the horizontal direction to increase the overlapping portion of each other and transfer each contact piece, the contact piece being transferred is guided by the other cutter to be overlapped and smoothly. It is transferred to a predetermined position.
[Brief description of the drawings]
FIG. 1 is a sectional front view showing a first embodiment of the present invention.
FIG. 2 is a sectional front view of an essential part showing an operation state of the above.
FIG. 3 is a partially enlarged view showing a state in which the pair of cutters cuts one contact wire rod.
FIG. 4 is a cross-sectional front view of an essential part showing an operation state of a reference example that is a reference in the present invention.
FIG. 5 is a cross-sectional front view of a main part showing an operation state of another reference example that is a reference in the present invention.

FIG. 6 is a cross-sectional front view showing a conventional example.
FIG. 7 is a cross-sectional front view of a main part showing an operating state of the same.
[Explanation of symbols]
1 cutter
1b Through hole
2 Caulking punch
A Contact wire
A ₁ contact piece
B contact plate
B ₁ Mounting hole

Claims (1)

A pair of cutters vertically arranged to move in the horizontal direction, cut two contact pieces from one contact wire, and then transfer each contact piece to a predetermined position. a pair of caulking punch respectively caulked to the attachment hole of the contact plate to the two contact pieces and the contact crimping instrumentation equipped with
A location, the pair of cutter, opposite with and movable in a direction to increase the overlapped portion each other in the direction, the contact piece is transported to a predetermined position by one of the cutter is inserted in caulking punch for caulking one another providing the obtained through hole in the other of the cutter against ignition tightening device you characterized.

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