JPH02200332A - Cutting and transferring device for contact stock - Google Patents

Abstract

PURPOSE:To prevent a drop on the way and a slide between a groove blade and a V-groove by inserting a contact stock supporting pin into a groove of the tip face of a holder, fixing it by clamping a holder plate and allowing the V-groove of the tip part of the contact stock supporting pin to be opposed to a groove edge of a cutter. CONSTITUTION:When a contact stock 1' is cut from a contact wire rod, a holder 12 which advances as one body with a driving slider 3 is turned to a cutter 5 side (the lower part) by a spring 10. The contact stock is held from the direct front of a groove blade 4 of the cutting 5 by a V-groove 17 of the tip part of a contact stock supporting pin 16, and after cutting, the contact stock 1' is inserted and held as it is by the groove blade 4 of the cutter 5 and the V-groove 17 of the contact stock supporting pin 16, and transferred onto the surface of a forming die 11 by an advance of the driving slider 3. At the time of transferring this contact stock 1', the contact stock supporting pin 16 holds the contact stock 1' vertically against the cutter 5, therefore, it does not occur that the stock 1' drops down on the way, and slides between the groove edge 4 and the V-groove 17.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a contact material cutting and transferring device that cuts a contact wire, clamps the cut contact material, and transfers it onto the surface of a forming die. Regarding improvements.

(Prior Art) As shown in FIG. 5, a conventional contact material cutting and transferring device is attached to a cutter die 2 through which a contact wire 1 is inserted, and a drive slider 3 that cuts the contact wire 1 inserted through the cutter die 2. a cutter 5 having an arc-shaped grooved blade 4; and a holder 6 attached to the drive slider 3 so as to be rotatable up and down above the cutter 5;
a contact material support pin 8 that protrudes obliquely in front of the distal end and fixes the attachment part 7 provided at the base end as shown in FIG. 6; and a stopper 9 that restricts the rotation of the holder 6 toward the cutter 5 side. It consists of a spring 10 stretched between the stopper 9 and the middle of the contact material support pin 8.

To explain the operation of this contact material cutting and transferring device,
When the contact wire 1 is inserted through the cutter die 2 and stops after protruding from the cutter die 2 for a certain length, the drive slider 3 moves forward, and the arc-shaped groove blade 4 of the cutter 5 and the cutter die 2 move forward together with the drive slider 3. As shown in FIG. 5, the contact wire 1 is cut to a certain length, and the contact material 1 is
′ is obtained. When the contact material 1' is cut from the contact wire 1, the holder 6, which has advanced together with the drive slider 3, is rotated toward the cutter 5 (downward) by the spring 10, and is attached to the tip of the contact material support pin 8. After cutting, the molding die 11 is held between the groove blade 4 of the cutter 5 and the tip of the contact material support pin 8 as the drive slider 3 moves forward, as shown by the chain line in FIG.
Transfer it to the top of the screen. When the contact material 1' is pushed into the molding die 11, the drive slider 3 retreats, and the cutter 5 integrated therewith also retreats. As soon as the grooved blade 4 of the cutter 5 passes through the die hole of the cutter die 2, the holder 6 hits the stopper 9 and is rotated upward as shown in FIG. It moves away upward from the arc-shaped groove blade 4 of No. 5, and retreats to the retraction limit in this state.

(Problem to be Solved by the Invention) In the above-mentioned contact material cutting and transferring device, the contact material support pin 8 presses the contact material 1' at a certain angle with respect to the cutter 5 as shown in FIG. Since the contact material 1' is held at two points, one point A on the groove blade 4 of No. 5 and one point B on the contact material support pin 8, it is unstable, and the contact material 1' falls when transferred to the forming die 11 side. contact material support pin 8 and cutter 5 even if it does not fall or fall.
Accidents have occurred in which the molding die 11 slips between the grooved blade 4 and the feeding position on the surface of the molding die 11 shifts.

Furthermore, since the contact material support pin 8 requires the mounting portion 7 at the base end to be positioned on the front surface of the holder 6 and fixed with a screw, it takes time and effort to attach the contact material support pin 8.

SUMMARY OF THE INVENTION An object of the present invention is to provide an improved contact material cutting and transferring device that can safely and reliably hold the contact material and eliminates the hassle of attaching contact material support pins.

(Means for Solving the Problems) A contact material cutting and transferring device of the present invention for solving the above problems includes a cutter die through which the contact wire is inserted, and a drive slider through which the contact wire inserted through the cutter die is cut. A cutter having an attached arc-shaped grooved blade and a holder attached to a drive slider that can be rotated up and down above the cutter have a mounting portion at the proximal end protruding diagonally in front of the tip of the cutter. A contact material cutting and transferring device comprising a contact material support pin to be fixed, a stopper for restricting rotation of the holder toward the cutter, and a spring tensioned between the stopper and the middle of the contact material support pin. , the holder is made slightly longer than the cutter, and a groove is provided on the tip surface thereof perpendicular to the cutter;
The contact material support pin eliminates the attachment part at the base end and has a V-groove on one surface of the distal end, and the contact material support pin is inserted into the groove on the distal end of the holder and fixed by tightening the presser plate, and the contact is secured. It is characterized in that the V-groove at the tip of the material support pin is opposed to the groove blade of the cutter.

(Function) According to the contact material cutting and transferring device of the present invention configured as described above, the contact wire inserted through the cutter die and protruding for a certain length is formed in the arc-shaped groove of the cutter that moves forward together with the forward movement of the drive slider. When cutting is performed by the blade and cutter die, the cutting part moves forward together with the drive slider and is rotated toward the cutter by the spring of the holder, which presses the cutting part from directly in front of the grooved blade using the V groove at the tip of the contact material support pin. After cutting, the contact material is held as it is by the groove blade of the cutter and the V-groove of the contact material support pin, and is transferred onto the surface of the forming die by the advancement of the drive slider. During this transfer of the contact material, the contact material support pin presses the contact material at right angles to the cutter, so the contact material is secured at three points: one point on the groove blade of the cutter and two points in the V groove of the contact material support pin. It is stable because it is sandwiched between
There is no possibility that the contact material will fall or slip between the groove blade and the V-groove. When the contact material is pushed into the forming die,
The drive slider retreats, and the cutter integrated with it also retreats. When the grooved blade of the cutter passes through the die hole of the cutter die, the holder immediately hits the stopper and is rotated upward, and the V-groove of the contact material support pin moves upward and away from the arc-shaped grooved blade of the cutter. Reverse to the reverse limit in this condition.

(Embodiment) An embodiment of the contact material cutting and transferring device of the present invention will be described with reference to FIG. Since the same reference numerals in the figure as in FIG. 5 indicate the same members, the explanation thereof will be omitted. 12, the holder 6 shown in FIG.
A groove 13 is provided perpendicular to the
This is a holder that can be tightened with. Reference numeral 16 denotes a contact material support pin which has a V-groove 17 on one surface of the tip end as shown in FIG. 2 by eliminating the mounting portion 7' at the base end of the contact material support pin 8 shown in FIG. The support pin 16 is inserted into the groove 13 on the front end surface of the holder 12, and
4 is fixed by tightening the screw 15, and the V-groove 17 at the tip is opposed to the arc-shaped groove blade 4 of the cutter 5.

To explain the operation of the contact material cutting and transferring device of the embodiment configured in this way, the contact wire 1 is inserted into the cutter die 2, and when it protrudes from the cutter die 2 by a certain length and stops, the drive slider 3 moves forward. As shown in FIG. 1, the arc-shaped grooved blade 4 of the cutter 5 and the cutter die 2, which advance together with this, cut the contact wire 1 into a certain length to obtain a contact material 1'. . When the contact material 1' is cut from the contact wire 1, the holder 12, which has advanced together with the drive slider 3, is rotated toward the cutter 5 (downward) by the spring 10, and the tip of the contact material support pin 16 is rotated by the spring 10. The groove blade 4 of the cutter 5 is pressed directly in front of the V groove 17, and the contact material 1 is cut after cutting.
' is the groove blade 4 of the cutter 5 and the contact material support pin 1.
6, and is transferred onto the surface of the forming die 11 as shown by the chain line in FIG. 1 as the driving slider 3 moves forward.

In this transfer of the contact material 1', the contact material support pin 1
6 presses the contact material 1' at right angles to the cutter 5,
In other words, as shown in FIG. 3, one point A on the groove blade 4 of the cutter 5 and two points B on the V groove 17 of the contact material support pin 16.
Since the contact material 1' is securely held by the three points of , C, it is stable, and the contact material 1' does not fall midway or slip between the groove blade 4 and the V-groove 17. None.

When the contact material 1' transferred to the surface of the molding die 11 is pushed into the molding die 11, the drive slider 3 retreats, and the cutter 5 integrated therewith also retreats.

As soon as the grooved blade 4 of the cutter 5 passes through the die hole of the cutter die 2, the holder 12 is opened as shown in FIG.
contacts the stopper 9 and is rotated upward, and the V-groove 17 of the contact material support pin 16 moves upwardly away from the arc-shaped groove blade 4 of the cutter 5, and in this state, it retreats to the retreat limit.

In the above embodiment, the V-groove 17 is provided only at the tip of the contact material support pin 16, but the V-groove 17 is provided at the base end with different dimensions.
It is also possible to provide a groove 17 so that it can be used in reverse.

(Effects of the Invention) As can be seen from the above explanation, according to the contact material cutting and transferring device of the present invention, when the contact material is cut from the contact wire, the spring of the holder that advances together with the drive slider moves the contact material toward the cutter side. Due to the rotation, the V-groove at the tip of the contact material support pin presses the cutter's grooved blade directly in front of it, and after cutting, the contact material is held between the cutter's grooved blade and the V-groove of the contact material support pin, and is moved to the drive slider. The contact material is transferred to the surface of the forming die by advancing, and during this transfer, the contact material is moved between one point on the groove blade of the cutter and the V of the contact material support pin.
It is securely held by two points in the groove, making it stable, and it will not fall midway or slip between the groove blade and the V-groove, causing the feeding position on the surface of the molding die to shift. No accidents occur.

In addition, the contact material support pin can be fixed by simply inserting it into the groove on the tip of the holder and tightening the presser plate, so it does not take much time to install.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an embodiment of the contact material cutting and transferring device of the present invention, FIG. 2 is a perspective view showing a contact material support pin in the device of FIG. 1, and FIG. An enlarged view of the clamping state of the contact material during transfer of the contact material in the device, Fig. 1
5 is a side view showing a conventional contact material cutting and transferring device; FIG. 6 is a perspective view showing a contact material support pin in the device shown in FIG. 5; FIG. 7 is an enlarged view of the state in which the contact material is being held while transferring the contact material in the device shown in FIG. 5, and FIG. 8 is a side view showing the state in which the drive slider in the device shown in FIG. 5 is retracted. Applicant: Tanaka Kikinzoku Kogyo Co., Ltd. 9...At the strike 7-17...V1 series

Claims (1)

[Claims] 1. A cutter die that inserts the contact wire, a cutter that has an arc-shaped groove blade attached to a drive slider that cuts the contact wire inserted through the cutter die, and a cutter that can be rotated up and down on the upper side of the cutter. A contact material support pin that protrudes in front of the tip of the cutter and fixes the base end mounting portion on the front surface of the holder attached to the drive slider, a stopper that restricts rotation of the holder toward the cutter, and the stopper and the contact. In a contact material cutting and transferring device comprising a spring tensioned between the middle of a material support pin, the holder is made slightly longer than the cutter, and a groove perpendicular to the cutter is provided on the tip surface of the holder. The contact material support pin eliminates the attachment part at the base end and has a V-groove on one side of the distal end.The contact material support pin is inserted into the groove on the distal end of the holder, and is fixed by tightening the presser plate to attach the contact material. A contact material cutting and transferring device characterized in that a V-groove at the tip of a support pin is opposed to a groove blade of a cutter.