JPH0487715A - Cutting and insertion device for wire rod - Google Patents

Abstract

PURPOSE:To guide the head end of a wire rod having weak stiffness correctly to a holding part on the head end side by arranging a wire rod guide part installed with a needle pipe and a wire rod reception part installed with a catch guide pipe facing against each other and by constituting them to relatively make contact with and separate from each other. CONSTITUTION:A wire rod R is fed in the inside of a wire rod guide part 1 by a delivery roller 27 in the state where a wire rod insertion hole 22 of a cover body 21 of a wire rod reception part 2 and a needle pipe 11 of the wire rod guide part 1 are abutted on each other, projected out of the wire rod reception part 2 through a guide pipe 19 inside of the wire rod reception part 2 through the needle pipe 11 and held and fixed by a clamp claw 24 of a wire rod holding part 4. Thereafter, as the needle pipe 11 moves in and out, the wire rod reception part 2 moves in and out with the wire rod holding part 4 by a specific length and sets the cutting length of a wire rod and cuts the wire rod by a cutting mechanism 3. As the wire rod such as a ward wire or others is fed in the state where the needle pipe 11 and the guide pipe 19 for reception are abutted on each other, it is possible to smoothly deliver the wire rod R to the wire rod reception part 2.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an apparatus for cutting a wire such as a lead wire into a fixed size and inserting the cut wire into a workpiece or the like.

(Prior art) Conventionally, a pair of chucks can be moved toward and away from a cutting device that cuts a long wire wound around a wire reel or the like into a predetermined length and inserts the cut wire into a workpiece, etc. They are placed facing each other, and a cutting mechanism is placed between both chucks, and the tip of the wire pulled out from the reel is held by the chuck on the tip side with the chuck on the proximal side colliding with the chuck on the proximal side. Move the chuck away from the proximal chuck to pull out the wire, and after pulling it out a certain distance, grip the wire with the proximal chuck, operate the cutting mechanism with both ends of the wire held between the chucks, and cut the wire to a certain length. There are wire rods that are cut into strips, and the cut wire rods are inserted into the workpiece.

(Problem to be Solved) However, in the conventional apparatus described above, the wire is held between two chucks and cut, but the wire drawn out from the wire reel etc. has a tendency to curl, so it is difficult to extrude. The curls of the wire cannot be removed simply by extruding it with a roller or the like. As a result, there was a problem in that it was difficult to correctly insert the tip of the wire into the clamping part of the tip-side chuck.

The present invention has been made with attention to these points, and an object of the present invention is to provide a cutting/insertion device that can correctly guide the tip of even a weak wire material to a holder on the tip side. .

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a wire rod guide section for feeding out a long wire rod, a wire rod receiving section for receiving the fed wire rod, and a wire rod guide section and a wire rod receiving section. a cutting mechanism disposed between the wire rod receiving section and the wire rod guide section, the wire rod receiving section and the wire rod guide section are configured to be able to approach and separate from each other, and the wire rod guide section is configured by mounting a needle pipe inside the main body case so as to be able to move forward and backward; The wire receiving section is characterized in that a receiving guide pipe is mounted inside the case so as to be movable forward and backward, and a wire holding tool is arranged on the outside of the guide pipe.

(Function) In the present invention, a wire rod guide part in which a needle pipe is mounted so as to be movable forward and backward, and a wire rod receiving part in which a receiving guide pipe is mounted so as to be movable forward and backward are arranged to face each other, and the wire rod Since the guide part and the wire receiving part are constructed so that they can be moved toward and away from each other, a wire such as a word wire can be fed in with the needle pipe of the wire guide part and the receiving guide pipe of the wire receiving part brought into contact with each other. can be smoothly delivered to the wire receiving section.

Then, place a wire clamping tool on the outside of the guide pipe,
By moving the wire clamping tool and the wire clamping tool away from each other with respect to the wire guide section while holding the wire led out from the guide pipe, the length of the wire is adjusted, and the wire guide section and the wire receiving section are separated. The wire is cut by a cutting mechanism placed between them.

(Embodiment) The drawings show an embodiment of the present invention, in which Fig. 1 is a side view of the main part of the wire cutting device, Fig. 2 is a vertical sectional view of the wire guide section, and Fig. 3 is a sectional view of the main part of the wire rod receiving section. It is a diagram.

This wire cutting device cuts a long lead wire wound on a wire reel (not shown) into a size that can be soldered and fixed to a terminal board, and includes a wire guide section (1) for feeding out the wire. Wire receiving section (2) that receives the sent out wire
), a cutting mechanism (3) and a wire holding part (4) arranged between the wire guide part (1) and the wire receiving part (2).

The cutting mechanism (3) supports a pair of upper and lower cutting blade holding blocks (6) (6) on a frame (5) so as to be movable up and down. The cutting blades (8) are fixed to each cutting blade holding block (6), and the upper cutting blade holding block (6a) is connected to the air cylinder (9).
) is configured to move the upper and lower cutting blades (8) toward and away from each other by pushing and pulling them.

Further, the wire guide portion (1) is fixed to the frame (5) of the cutting mechanism (3). This wire guide part (1) is the second option.
As shown in the figure, a needle pipe (11) and a plunger (12) are attached to the inside of the main body case (lO) of the guide portion formed of a cylinder so that they can move forward and backward, and the needle pipe (
11) is returned and urged back and forth by the spring (13), and the needle pipe (11) is moved forward by the plunger (12).
It is constructed so that it is moved forward against a return spring (12). Further, the plunger (12) is transparently provided with a wire insertion hole (14) that communicates with the needle pipe (11).

The wire receiving section (2) is arranged at a symmetrical position on the rotary table (15) as shown in FIGS. 1 and 4, and is pivotably supported on the periphery of the rotary table (15). A base (16) supports a retractable frame (17) so as to be movable forward and backward, and a wire receiving part (2) is fixed to this retractable frame (17). This wire receiving part (2) is equipped with a receiving guide pipe (19) movably forward and backward inside a case (18) formed of a cylinder, and this receiving guide pipe (19) is attached to an advancing biasing spring. (20) for the case (
18) It is elastically biased to protrude outward. The wire receiving part (2) is fixed to the egress/exit frame (7) in such a way that the lid (21) that closes the opening of the case (18) faces the wire guide part (1). A wire insertion hole (22) is transparently provided in the body (21).

In addition, a wire holding part (4) is arranged in the egress/return frame (17) so as to correspond to the protruding end of the guide pipe (19) on the rotary table rotation center side of the wire receiving part (2). As shown in FIG. 5, the clamping part (4) has a pair of upper and lower clamp claws (24) pivotally supported at longitudinally intermediate portions on an upright side frame (23). 24
) is formed into a wire clamping part, and the opposing surfaces at the other end are each formed into an inclined surface, and a wedge (
25) is arranged so that it can be moved in and out. A tension spring (26) is placed between the upper and lower clamp claws (24) on the side where the inclined surface is formed.
), the wire holding part of the clamp claw (24) is biased toward the opening side, and the wedge body (25) is advanced, so that the clamp claw (24) is moved against the tension spring (26). The structure is such that the clamping claws (24) are oscillated and the wire clamping portions of the clamping claws (24) are brought into contact with each other to clamp and fix the wire between both clamping claws (24). In addition, this wire holding part (4) is connected to the wire receiving part (2).
) so that it can move forward and backward.

In the wire cutting device configured in this way, the wire receiving section (
2) With the wire rod insertion hole (22) provided transparently in the lid body (21) and the needle pipe (11) of the wire rod guide section (1) brought into butt contact, the feed roller (27) is operated. Feed the wire (R) into the wire guide section (1).

The wire rod (R) fed into the wire rod kite section (1) passes through the needle pipe (11) and rushes into the wire rod receiving section (2).
It projects out of the wire receiving section (2) through the guide pipe (19) and is clamped and fixed by the clamp claw (24) of the wire clamping section (4). Then, the needle pipe (11) of the wire rod guide section (1) moves in and out, and the wire rod receiving section (2)
moves back and forth for a certain length together with the wire clamping part (4) to set the cutting length of the wire, and the cutting mechanism (3) operates to cut the wire to a predetermined length.

The cut wire rod (R) is rotated by the rotary table (14) to change its direction by 180 degrees and is taken out at the take-out position. If a device is placed at this removal position to assemble the terminal board, the wire can be automatically assembled and soldered to the terminal board. In this case, the wire receiving part (2) and the wire holding part (4) are operated to advance toward the held terminal board, and the lid of the wire receiving part (2) (
21) to the terminal board, and then touch the wire clamping part (4
) by further advancing the guide pipe (I9)
By suspending the retracting operation, it is possible to adjust the extension of the wire rod, and it is possible to keep the length of the wire rod (lead wire) inserted into the terminal board constant.

(Effects) In the present invention, a wire rod guide portion in which a needle pipe is movably mounted and a wire receiving portion in which a receiving guide pipe is movably mounted are arranged to face each other, and the wire rod Since the guide part and the wire receiving part are constructed so that they can be moved toward and away from each other, a wire such as a word wire can be fed in with the needle pipe of the wire guide part and the receiving guide pipe of the wire receiving part brought into contact with each other. can be smoothly delivered to the wire receiving section.

Therefore, even a long wire rod with a tendency to curl can be accurately delivered to the wire rod receiving part, and the dimensional accuracy of the cut wire rod can be improved.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and FIG. 1 is a side view of the main part of the wire cutting device, FIG. 2 is a longitudinal sectional view of the wire guide section, FIG. 3 is a sectional view of the main part of the wire receiving section, and The figure is a plan view of the wire receiving portion, and FIG. 5 is a sectional view taken along the line ■--■ in FIG. 4. 1... Wire rod guide section, 2... Wire rod receiving section, 3...
Cutting mechanism, 4... Wire clamping tool, lO... Main body case, 11... Needle pipe, 18... (2) case, 19... Guide pipe for receiving. Patent applicant Ariake Kogyo Co., Ltd.

Claims (1)

[Claims] 1. This is a cutting device that cuts a long wire wound around a reel into a certain size and inserts the cut wire into a workpiece, etc., which includes a wire guide section (1) that feeds out the long wire, and a wire rod that is fed out. The wire receiving part (2) and the wire guide part (
1) and the wire receiving section (2).
), the wire rod receiving part (2) and the wire rod guide part (1) are configured to be able to be moved toward and away from each other, and the wire rod guide part (1) has a needle pipe (11) inside the main body case (10). The wire receiving part (2) is configured by installing a guide pipe (19) for receiving inside the case (18) so as to be movable forward and backward, and the wire receiving part (2) is configured by installing a receiving guide pipe (19) so as to be movable forward and backward. A wire cutting/insertion device characterized in that a wire clamping tool (4) is disposed on the outer side.