JPH07100256B2 - Wire cutting / inserting device - Google Patents

Description

TECHNICAL FIELD The present invention relates to an apparatus for cutting a wire such as a lead wire into a certain size and inserting the cut wire into a work or the like.

<< Prior Art >> As 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 work or the like, conventionally, a pair of chucks can be moved toward and away from each other. They are placed facing each other, a cutting mechanism is placed between both chucks, and the tip of the wire drawn from the reel is pinched by the chuck on the tip side while passing through the chuck on the base side. Move the chuck away from the base end side chuck to pull out the wire rod, pull out the wire rod for a certain distance, hold the wire rod between the chucks on the base end side, and operate the cutting mechanism while holding both ends of the wire rod between the chucks for a certain length. There is one in which the wire is cut and inserted into the work.

<Problems to be Solved> However, in the above-mentioned conventional device, the wire rod is sandwiched by two chucks and cut, but since the wire rod led out from the wire reel or the like has a winding tendency, it is extruded. The winding tendency of the wire cannot be removed simply by extruding with a roller or the like. As a result, there is a problem in that it is difficult to correctly insert the tip portion of the wire into the holding portion of the tip side chuck.

The present invention has been made in view of such a point, and an object thereof is to provide a cutting / inserting device capable of correctly guiding the tip of a wire rod having a weak waist to a holding portion on the tip side. .

<< Means for Solving the Problem >> In order to achieve the above object, according to the present invention, a long wire R wound around a reel is cut into a certain size, and the cut wire R is inserted into a work or the like. In the cutting / inserting device, a wire rod guide part 1 for sending out a wire rod R and a wire rod receiving part 2 for receiving the sent wire rod R are arranged to face each other, and between the wire rod guide part 1 and the wire rod receiving part 2. The wire rod guide unit 1 has a cutting mechanism 3 for cutting the sent wire rod R.
Needle pipe 11 through which wire R is passed inside main body case 10
Is provided so that the needle pipe 11 can move forward and backward in the feed direction of the wire rod R, and a guide pipe 19 for receiving is provided inside the case 18 of the wire rod receiving portion 2.
Is configured to be movable back and forth in the feeding direction of the wire rod R, and the wire rod insertion portion 22 of the wire rod receiving portion 2 and the needle pipe of the wire rod guide portion 1.
11 and 11 are configured to be relatively movable between a position where they are abutted against each other and a position where they are separated from each other, and a wire rod holding portion 4 for holding the wire rod R drawn from the guide pipe 19 is provided outside the wire rod receiving portion 2. It is characterized by having been placed.

<< Operation >> The present invention operates as follows, for example.

In the state where the wire rod receiving portion 2 and the needle pipe 11 of the wire rod guide portion 1 are moved relative to each other, and the wire rod insertion portion 22 of the wire rod receiving portion 2 and the needle pipe 11 are butted against each other, the wire rod R is moved to the wire rod guide portion 1. Send in.

The wire rod R fed into the wire rod guide portion 1 passes through the needle pipe 11 and projects from the wire rod insertion portion 22 into the wire rod receiving portion 2 and then passes through the guide pipe 19 to project to the outside of the wire rod receiving portion 2 and the wire rod holding portion. It is pinched by 4. Next, the needle pipe
After the wire rod 11 and the wire rod receiving portion 2 move relative to each other and separate from each other, the cutting mechanism 3 operates to cut the wire rod.

After that, the wire rod receiving portion 2 and the wire rod holding portion 4 are advanced to the work or the like, and the wire rod inserting portion 22 of the wire rod receiving portion 2 is brought into contact with the work or the like. After that, only the wire rod holding portion 4 is further advanced and the guide pipe 19 is moved in and out, and the cut wire rod R is inserted into a work or the like.

<< Practical Examples >> The drawings show the embodiments of the present invention. FIG. 1 is a side view of a main portion of a wire rod cutting device, FIG. 2 is a longitudinal sectional view of a wire rod guide portion, and FIG. 3 is a main portion of a wire rod receiving portion. FIG.

This wire rod cutting device cuts a long lead wire wound around a wire reel (not shown) into a size for soldering and fixing it to a terminal board, and a wire rod guide portion (1) for feeding the wire rod, It is composed of a wire rod receiving portion (2) for receiving the sent wire rod, a cutting mechanism (3) arranged between the wire rod guide portion (1) and the wire rod receiving portion (2), and a wire rod holding portion (4). is there.

The cutting mechanism (3) supports a pair of upper and lower cutting blade holding blocks (6) (6) on a frame (5) so that the cutting blade holding blocks (6) and (6) can be moved up and down, and the cutting blade holding blocks (6) and (6) are quadruple link mechanism. Interlockingly connected by the synchronous actuating device (7) constituted by, the cutting blade (8) is fixed to each cutting blade holding block (6), and the upper cutting blade holding block (6a) is pushed and pulled by the air cylinder (9). By moving it, the upper and lower cutting blades (8) are moved toward and away from each other.

The wire rod guide portion (1) is fixed to the frame (5) of the cutting mechanism (3). This wire rod guide part (1) is the second
As shown in the figure, the needle pipe (11) and the plunger (1
2) and are installed so that they can move back and forth, and the needle pipe (11)
The return spring (13) biases the return spring (13) and the needle pipe (11) is moved forward against the return spring (13) by the forward movement of the plunger (12). The plunger (12) has a wire rod insertion hole (14) communicating with the needle pipe (11).

As shown in FIGS. 1 and 4, the wire rod receiving portion (2) is arranged at a symmetrical position on the rotary table (15) and is pivotally supported on the peripheral edge of the rotary table (15) so as to be swingable. The pedestal (16) supports an exit / retract frame (17) so as to be able to move forward and backward, and the wire rod receiving section (2) is fixed to the exit / retract frame (17). In the wire rod receiving portion (2), a receiving guide pipe (19) is movably mounted inside a case (18) formed of a tubular body, and the receiving guide pipe (19) is moved forward by an urging spring. (20) is elastically urged to project outside the case (18). The wire rod receiving portion (2) is fixed to the retractable frame (17) such that the lid body (21) closing the opening of the case (18) faces the wire rod guide portion (1), and the lid body is fixed. A wire rod insertion hole (22) is provided through (21).

Further, the wire rod holding portion (4) is arranged on the retractable frame (17) on the rotary table rotation center side of the wire rod receiving portion (2) so as to correspond to the projecting end portion of the guide pipe (19). As shown in FIG. 5, the holding part (4) is provided with side frames (2
A pair of upper and lower clamp claws (24) are pivotally supported at 3) in the middle in the longitudinal direction so that one end of the clamp claw (24) facing up and down is formed in the wire rod holding part. At the same time, the facing surface portion at the other end is formed as an inclined surface, and the wedge body (25) is arranged between the inclined surfaces of the upper and lower clamp claws (24) so as to be able to move in and out. Then, a tension spring (26) is mounted between the upper and lower clamp claws (24) on the inclined surface forming side,
By urging the wire rod holding portion of the clamp claw (24) toward the opening side and advancing the wedge body (25), the clamp claw (24) is swung against the tension spring (26), and the clamp claw ( The wire rod holding portion of (24) is brought into contact with each other, and the wire rod is held and fixed by both clamp claws (24). Further, the wire rod holding portion (4) is formed so as to be movable back and forth with respect to the wire rod receiving portion (2).

In the wire rod cutting device configured as described above, the wire rod insertion hole (22) provided transparently in the lid body (21) of the wire rod receiving portion (2) and the needle pipe (11) of the wire rod guide portion (1) are butted against each other. In the contacted state, the feed roller (27) is operated to feed the wire rod (R) into the wire rod guide portion (1). The wire rod (R) fed into the wire rod guide portion (1) rushes into the wire rod receiving portion (2) through the needle pipe (11) and passes through the guide pipe (19) to the outside of the wire rod receiving portion (2). And is clamped and fixed by the clamp claws (24) of the wire rod clamping portion (4). Then, the needle pipe (11) of the wire rod guide portion (1) moves back and forth, and the wire rod receiving portion (2) moves back together with the wire rod holding portion (4) for a certain length to set the cutting length of the wire rod. Then, the cutting mechanism (3) operates to cut the wire rod into a predetermined length.

The cut wire rod (R) is rotated 180 degrees by the rotation operation of the lorry table (15) and taken out at the take-out position. By disposing the terminal board assembling device at this take-out position, the wire can be automatically attached to the terminal board and soldered. In this case, the wire rod receiving portion (2) and the wire rod holding portion (4) with respect to the held terminal plate.
Of the wire rod receiving portion (2) is brought into contact with the terminal plate, and then the wire rod holding portion (4) is further advanced to retract the guide pipe (19). By operating, it is possible to adjust the margin of the wire rod and to make the length of the wire rod (lead wire) rushed into the terminal plate constant.

<< Effects >> The present invention has the following effects because it is configured and operates as described above.

a) Since a wire rod such as a word wire is sent to the wire rod receiving portion with the needle pipe of the wire rod guide portion and the wire rod receiving portion abutted against each other, there is a gap between the wire rod guide portion and the wire rod receiving portion. It is possible to prevent the tip of the wire rod from coming off in the feeding direction of the wire rod. Therefore, even a long wire having a curl can be reliably and smoothly transferred from the wire guide part to the wire receiving part, and the dimensional accuracy of the cut wire can be improved.

b) Since the needle pipe can be moved back and forth in the wire feed direction, even if the relative positional accuracy between the wire rod guide portion and the wire rod receiver is a little poor when the wire rod guide portion and the wire rod receiver are brought together, It is possible to prevent a gap from being generated between the wire rod guide portion and the wire rod receiving portion by advancing and retracting, and the wire rod can be reliably delivered. Also, when cutting the wire rod,
The needle pipe can be retracted so that it does not interfere with the cutting.

c) Since the wire rod sent to the wire rod receiving portion is guided to the wire rod sandwiching portion by the guide pipe for receiving, even if the wire rod has a winding tendency, the guide pipe surely and smoothly guides the wire rod to the wire rod sandwiching portion so that the wire rod is sandwiched. be able to.

d) Further, since the receiving guide pipe can move back and forth in the wire feeding direction, by retracting the guide pipe when inserting the cut wire into the work or the like, the guide pipe can be inserted into the work or the like. The wire can be smoothly inserted up to a predetermined plunge length without getting in the way.

[Brief description of drawings]

The drawings show an embodiment of the present invention. Fig. 1 is a side view of a main part of a wire rod cutting device, Fig. 2 is a vertical cross-sectional view of a wire rod guide part, and Fig. 3 is a cross-sectional view of a main part of a wire rod receiving part. FIG. 5 is a plan view of the wire rod receiving portion, and FIG. 5 is a sectional view taken along line IV-IV in FIG. 1 ... Wire guide part, 2 ... wire receiving part, 3 ... cutting mechanism, 4 ... wire clamp, 10 ... main body case, 11 ... needle pipe, 18 ... (2) case, 19 ... … Receiving guide pipe, 22 …… Wire rod insertion hole (wire rod insertion part), R…
…wire.

Claims (1)

[Claims] 1. A long wire (R) wound around a reel.
A cutting / inserting device that cuts a certain size into a workpiece, and inserts the cut wire (R) into a work, etc., including a wire rod guide part (1) for sending the wire (R) and the wire (R) sent out. The wire rod receiving portion (2) for receiving is arranged so as to face the wire rod guide portion (1).
A cutting mechanism (3) for cutting the fed wire (R) between the wire rod receiving portion (2) and the wire rod receiving portion (2), and the wire rod is placed inside the main body case (10) of the wire rod guide portion (1). (R) is provided with a needle pipe (11), and the needle pipe (11) is configured to be movable back and forth in the feeding direction of the wire (R), and inside the case (18) of the wire receiving portion (2). A guide pipe (19) for receiving is provided on the guide pipe (19).
Is configured to be movable back and forth in the feed direction of the wire (R), and the wire rod insertion portion (22) of the wire rod receiving portion (2) and the needle pipe (11) of the wire rod guide portion (1) are The guide pipe (19) is formed outside the wire rod receiving portion (2) so as to be relatively movable between a position where they abut against each other and a position where they separate from each other.
A wire rod cutting / inserting device having a wire rod holding portion (4) for holding a wire rod (R) derived from the above.