JP2861245B2 - Wire insertion device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire insertion device that sequentially inserts a wire such as a jumper wire into a predetermined position on a substrate.

2. Description of the Related Art Conventionally, this type of wire rod insertion device has a configuration shown in FIGS.

That is, a supply roller 3 for feeding the wire 2 supplied by the reel 1 by a predetermined amount, a pulse motor 4 for rotating the supply roller 3 by a predetermined amount, and movement between the supply position and the molding position of the wire 2 Swingable nozzle 5 for performing
A supply unit 7 having a rotary cylinder 6 for oscillating the nozzle 5, and a V-groove 8 for receiving the wire 2 to regulate the position of the sent wire 2 in a direction perpendicular to the axial direction, And a pusher 10 for pushing the wire 2 into the substrate 9 at the time of insertion, and an openable / closable for preventing the wire 2 from dropping out of the V-groove 8 of the pusher 10 at the time of cutting and forming the wire 2 so that the wire 2 can be formed into a predetermined shape. Lever 11, an insertion guide 13 for forming the wire 2 and guiding the wire 2 to a predetermined hole 12 of the substrate 9, a fixed blade 14 for cutting the fed wire 2 to a predetermined size, and a movable blade 15 And the insertion unit 16 having the following.

Problems to be Solved by the Invention However, in such a configuration, the fed wire 2 is in a cantilevered state by the nozzle 5, so that the tip 17 is not position-controlled, and the nozzle 5 is not supplied at the time of supply. After the movement from the position to the molding position, vibration remains at the tip 17 of the wire. This phenomenon increases as the insertion pitch becomes longer or as the wire diameter of the wire 2 becomes thinner, and the vibration damping time increases to a level at which the wire 2 can be received in the V-groove 8 of the pusher 10, thereby shortening the insertion tact. Adversely affect

Further, since the wire 2 often has some bends, the tip 17 of the wire 2 is moved after the nozzle 14 is moved to the molding position.
May not be positioned correctly below the V-groove 8 of the pusher 10, which may cause molding failure. This phenomenon also increases as the insertion pitch increases and as the wire diameter of the wire 2 decreases.

Thus, at the time of long pitch insertion and high-speed tact insertion,
The wire 2 is not reliably positioned directly below the V-groove 8 of the pusher 10, and poor insertion occurs due to poor molding, thereby lowering the insertion reliability.

The present invention solves the above-mentioned problems, and provides a wire insertion device that reliably controls the position of the leading end of a wire even when a long pitch, high tact, and thin wire is inserted, and ensures insertion reliability by molding. To provide.

Means for Solving the Problems The present invention comprises a supply section for feeding a wire by a predetermined amount to achieve the above object, an insertion section for inserting the wire after molding into a predetermined shape, and a regulating section for regulating the position of the wire. The restricting portion is configured such that the wire is positioned on the center line of the insertion portion by elastically deforming the wire in a state of being in contact with the tip of the wire sent out from the supply portion. is there.

Operation The present invention ensures the insertion reliability by reliably regulating and shaping the distal end portion of the wire rod even at the time of long pitch insertion and high tact insertion with the above configuration.

Embodiment An embodiment of a wire rod insertion device according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an outline of a wire rod insertion device according to one embodiment of the present invention. First, the supply unit 18 will be described.

19 is a wire rod supplied on a reel 20 and has a strainer 21
, The straightness can be improved. Supply roller
22 is arranged on the left and right with respect to the feed direction of the wire 19,
It holds the wire 19 (see FIG. 2). Supply roller 22
Is driven by a pulse motor 24 attached to the base 23. The pulse motor 24 is connected to the left supply roller 22L.
Is directly driven to rotate, and the right supply roller 22R is driven by the two gears 26 having the same number of teeth at the same rotation speed and the reverse rotation as the left supply roller 22L, whereby the wire rod 19R is driven.
Can be sent.

Reference numeral 27 denotes a nozzle which has an inner diameter slightly larger than the diameter of the wire 19 and regulates the position of the wire 19 in a direction perpendicular to the axis to determine the direction. The nozzle 27 is swingable by a rotary cylinder 28 attached to the base 23.

 Next, the insertion section 30 will be described.

Reference numeral 31 denotes a pusher having a width smaller than the pitch between the insertion holes 33 of the substrate 32 by the wire diameter of the wire 19, and the tip of the pusher is
It has a V-groove 34 capable of axially receiving 19. The pusher 31 is arranged so that the V-groove 34 is located at a predetermined distance above the supplied wire 19 in a state farthest from the substrate 32, and is guided by a guide 35 attached to the base 23. It can move up and down in the direction approaching 32. 36 is a double-acting cylinder that can be stopped intermediately at the point where the pusher 31 abuts the forming lever 44 (described later).
The pusher 31 can be moved up and down by reciprocating a pusher rod 37 attached to the pusher 31.

Reference numeral 38 denotes an insertion guide having an inner width equal to the outer width in the feed direction of the wire 19 of the pusher 31, and an inner surface 39 of the insertion guide 38.
, The pusher 31 slides. The inner surface 39 of the insertion guide 38 has a V-groove 40 which shares the center plane with the V-groove 34 of the pusher 31 and can receive the wire 19 in the same direction as the movement of the pusher 31.

Further, the insertion guide 38 is disposed so that the lower end of the insertion guide 38 is located a predetermined distance above the supplied wire 19 in a state farthest from the substrate 32, and the insertion guide 38 approaches the substrate 32 by the guide of the guide 35. Can be moved up and down.

42 is a cylinder mounted on the base 23 and an insertion guide 38
The reciprocating movement of the insertion guide rod 43 attached to the device allows the insertion guide 38 to move up and down.

Reference numeral 44 denotes a forming lever having the same width as the pusher 31 and swingably attached to a fulcrum 45 fixed to the guide 35. The forming lever 44 is provided for the supplied wire 19.
The pusher 31 is arranged at a position facing the pusher 31 and can swing in the direction of arrow a in FIG. 4 so as not to interfere with the downward movement of the pusher 31 when the pusher 31 moves in the direction of the substrate 32. . Reference numeral 46 denotes a cylinder attached to the base, which allows the shaping lever 44 to swing by reciprocating a shaping lever rod 47 attached to the shaping lever 44.

Reference numeral 48 denotes a movable blade disposed on the upper side of the wire 19 opposite to the fixed blade 49 attached to the base 23 below the supplied wire 19, and is guided by the guide 35 to intersect with the fixed blade 49. It can be moved to a position. Reference numeral 50 denotes a cylinder for driving the movable blade 48, which is attached to the base 23.

 Next, the regulating unit will be described.

Reference numeral 51 denotes a regulating plate for regulating the position of the wire 19 in the swinging direction when the wire 19 is swung by the swing of the nozzle 27.
Guide so that it has an end surface at a position at a distance of the radius of the wire 19 from the center line of the V groove 34 in the direction in which the wire 19 is to swing.
The 35 wires 19 are attached to the side surface 52 on the tip side.

Further, the positional relationship between the supply unit 18 and the insertion unit 30 and the position of the nozzle 27 will be described with reference to FIG. Nozzle 27
Is located on the center line 54 of the supply unit 18 and separated from the center line 55 of the insertion unit 30 by a predetermined amount δ = 3.5 mm in a direction opposite to the moving direction to the molding position 56. doing.
The supply position 57 of the nozzle 27 is on the center line 54 of the supply unit 18, and is positioned so that the wire 19 does not interfere with the insertion unit 30 when the wire 19 is supplied.

Further, the forming position 56 of the nozzle 27 is on a line 58 connecting the swing center 53 of the nozzle 27 and the center of the V groove 34L on the left side of the pusher 31 in the figure.

Here, both the distance from the swing center 53 of the nozzle 27 to the V-groove 34 on the left side of the pusher 31 and the distance from the V-groove 34 to the regulating plate are l = 35 mm.

The operation of the wire insertion device configured as described above will be described below. First, the origin state of each part of the apparatus will be described. The nozzle 27 is at the supply position 57, and the wire 19 supplied in a reel shape is the strainer 21, the supply roller 22, and the nozzle 27.
And has been fed out by a predetermined length necessary for insertion (see FIGS. 1 and 5). Movable blade 48,
The pusher 31 and the insertion guide 38 are located at positions farthest from the substrate 32, respectively. The molding lever 44 is in a closed state.

Next, the swing operation of the nozzle 27 will be described. The nozzle 27 swings by the rotating cylinder 28 and moves to the molding position 56.

The swing center 53 of the nozzle 27 is on the center line 54 of the supply unit 18 and is separated from the center line 55 of the insertion unit 30 by a predetermined amount δ = 3.5 mm in the direction opposite to the moving direction to the molding position 56. The molding position 56 of the nozzle 27 is
Is located on the line 58 connecting the swing center 53 of the pusher 31 and the center of the V-groove 34L on the left side of the pusher 31 in the drawing. Try to move 3.5mm extra. However, since there is a regulating plate 51, the wire rod
19 will be elastically deformed while being pressed there. Due to this elastic force, the tip of the wire 19 is pushed
Stable positioning is possible at a position directly below the V-groove 34 (see FIG. 4).

 Next, the insertion operation will be described.

The pusher 31 starts moving toward the substrate 32 via the pusher rod 37 by the cylinder 36, and the V-groove 34 receives the wire 19. The pusher 31 continues to move while receiving the wire rod 19 in the V-groove 34, and stops moving by stopping the cylinder 36 at a point where the cylinder 36 comes into contact with the tip of the forming lever 44. At the same time, the movable blade 48 is
Move in the direction and intersect with the fixed blade 49, so that the wire 19
Is cut to a predetermined size.

Further, the insertion guide 38 is moved in the direction of the substrate 32 by the cylinder 42 via the insertion guide rod 43, and the V-shaped groove 40 formed in the insertion guide 38 regulates the wire 19 while forming the molding lever 44.
Then, the wire 19 is bent.

The insertion guide 38 continues to move while receiving the bent wire 19 in the V-shaped groove 40, and the leading end contacts the substrate 32 and stops (see FIG. 6).

Next, the forming lever rod 47 is moved by the cylinder 46 to the substrate 32.
The molding lever 44 swings in the direction of the arrow a by starting to move in the direction away from the shutter. At the same time, the pusher 31 is pushed by the cylinder 36 via the pusher rod 37.
However, while receiving the bent wire 19 in the V-groove 34, the substrate
Movement in the 32 direction is started, and the wire 19 is inserted into a predetermined hole 33 of the substrate 32 by making contact with the substrate 32 (see FIG. 7).

Finally, pusher 31, insertion guide 38, molding lever 44,
Each of the movable blades 48 returns to the home state.

During the above insertion operation, the wire rod 19 is fixed by the fixed blade 49 and the movable blade 48.
Immediately after the cutting, the nozzle 27 moves from the molding position 56 to the supply position 57, and the supply roller 22 feeds out the wire 19 by a length necessary for the next insertion, and moves to the standby state.

By repeating such a cycle, the wire can be continuously inserted into the predetermined hole 33 of the substrate 32.

Effects of the Invention As is apparent from the above embodiments, according to the present invention, a supply unit for feeding a wire by a predetermined amount, an insertion unit for cutting the wire into a predetermined shape and inserting the wire into a substrate, and regulating the position of the wire. A regulating unit, and the supply unit is provided with a unit that performs wire movement at two positions of a wire supply position and a molding position.
Since the wire is elastically brought into contact with the restricting portion, insertion reliability can be ensured even when a long pitch is inserted, a high tact is inserted, and a thin wire is inserted.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing a configuration of a wire rod insertion device according to one embodiment of the present invention, FIG. 2 is a sectional view taken along line BB of FIG. 1, FIG. FIG. 4 is a side view of the insertion portion shown in FIG. 1, FIG. 5 is an explanatory view showing the relationship between the supply portion and the regulating portion, and FIGS. 7 (a) and 7 (b) are front sectional views and FF sectional views of main parts when a wire is inserted, and FIG. 8 is a front view showing the configuration of a conventional wire insertion device. FIG. 9 is a sectional view taken along line AA of FIG. 18 ... Supply unit, 19 ... Wire, 21 ... Strainer, 22 ...
… Supply roller, 27… Nozzle, 30… Insert section, 31… Pusher, 38… Insert guide, 44… Molding lever, 48…
... movable blade, 49 ... fixed blade, 51 ... regulating plate.

Claims (3)

(57) [Claims] A feeder for feeding a wire by a predetermined amount, an inserter for cutting the wire into a predetermined shape and then inserting the wire into a substrate;
A regulating portion for regulating the position of the wire fed from the supply portion to the insertion portion, wherein the regulating portion elastically deforms the wire in a state in which the wire comes into contact with the tip of the wire sent from the supply portion. A wire insertion device, wherein the wire is positioned on a center line of the insertion portion. 2. The wire rod insertion device according to claim 1, wherein the supply section is formed by a swingably provided nozzle for regulating the position of the wire rod in a direction perpendicular to the axis. 3. The wire rod insertion device according to claim 2, wherein the swing center of the nozzle is located below the center line of the insertion portion.