JPH09190907A - Apparatus for cutting lead wire of electronic component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lead wire cutting apparatus for continuously cutting a lead wire during the transportation of an electronic component and facilitating the recovery of the cut lead wire. SOLUTION: This apparatus has a pair of a disk-shaped cutter 1a and 1b, which are in the same direction as the running direction of a conveyor belt 8 installed on the inner bottom of a rail 9 for transporting an electronic component 2 and which rotate synchronously, and cutting blades 18a, 18b are mounted on the lower surface of the cutter 1a, 1b respectively. Herein, a lead wire 5 of the transported electronic component 2 is held by a guide conveyor 6, formed of an elastic body in elastic contact with the U-shaped projected part of the outer peripheral surface of the disk-shaped cutter 1b, and is cut by the cutting blade 18a and the cutting blade 18b, and the cut lead wire 5 is transported to a chute 4 and is recovered. Thus, the lead wire can be cut quickly and stably with a simple apparatus, and the sure recovery of the cut lead wire is facilitated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component lead wire cutting device used for cutting a lead wire of an electronic component with a lead wire into a required predetermined length.

[0002]

2. Description of the Related Art A conventional lead wire cutting device for electronic parts of this type will be described with reference to the drawings.

FIG. 5 is a cross-sectional view of the main part showing the structure of the conventional lead wire cutting device for electronic parts. In FIG. 5, reference numeral 24 is a hole 20 for air blowing connected to one end of an air pipe 21. , A punch that can be slidably installed at one end inside the main body and mounted on the punch stage 22, 25 is a punch 24
A die mounted on the die stage 23, 26 is a prevention guide for preventing the floating of the radial type electronic component 2, 27 is an indexing table with the prevention guide 26 attached to the outer peripheral surface, 28 is a coupling shaft 30 An index unit for driving the indexing table 27 via the, 29 is a chute for collecting the cut lead wire 5.

Next, the operation will be described. First, the electronic component 2 that is conveyed by a conveyor or the like and attached to the peripheral edge of the indexing table 27 is indexing table 2 that is driven by the index unit 28 to intermittently drive the specified regulation.
Positioning is performed by 7, and the lead wire 5 is placed at a predetermined position where it is cut. When the punch 24 horizontally moves to the right in this state, the lead wire 5 is pinched between the tip of the punch 24 and the tip of the die 25, and the height is increased by the prevention guide 26 for preventing the floating of the electronic component 2. The lead wire 5 is cut while being held, that is, set to a prescribed lead length, and the electronic component 2 is conveyed to the next step.

The cut lead wire 5 is blown to the chute 29 and collected by being blown with high-pressure air from the air pipe 21 from the air blowing hole 20 of the punch 24. It was a thing.

[0006]

However, in the above-mentioned conventional structure, it is difficult to speed up the entire equipment because the electronic components are positioned by the intermittent driving.

Further, since the apparatus as a whole is provided with a positioning mechanism, and an intermittent drive and a slide mechanism for horizontal movement are used, there are many components, and the structure is complicated and the cost is high.

Further, the cut lead wire 5 is connected to the punch 2
Since high-pressure air is blown from the air blowing hole 20 provided in No. 4 to blow it to the chute 29 for recovery, there is a problem that stable recovery cannot be performed.

The present invention is intended to solve such a conventional problem, has a simple structure, is low in cost, and is capable of continuously cutting a lead wire to a prescribed size, and further, cutting the cut lead wire easily. An object of the present invention is to provide a lead wire cutting device for electronic parts that can be collected.

[0010]

In order to solve the above problems, a lead wire cutting apparatus for electronic parts according to the present invention is a carrying section for carrying electronic parts with lead wires in sequence with the lead wires facing upward. And a pair of cutting blades, which are arranged so as to face each other so as to sandwich a part of the carrying section, and are provided with cutting blades for cutting the lead wires of the electronic parts, and each of which rotates in the carrying direction of the carrying section in synchronization With a disk-shaped cutter that cuts the lead wire by, and an elastic material that elastically contacts a part of the outer periphery of the one cutter except the cutting blade and presses and conveys the lead wire cut by the cutting blade to the cutter. The guide conveyor and the collecting section for collecting the cut lead wires conveyed by the guide conveyor are configured.

According to the present invention, the lead wire can be easily cut continuously without using a complicated positioning mechanism for cutting the lead wire of the electronic component. Further, the lead wire after cutting can be conveyed and collected to the collecting section without being dropped or scattered by being sandwiched between the outer periphery of the disk-shaped cutter and the elastic conveyor.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION According to the first aspect of the present invention, a carrying section for carrying electronic parts with lead wires in sequence with a lead wire facing upward and a part of this carrying section are sandwiched. A pair of disk-shaped discs that are arranged so as to face each other and are provided with a cutting blade for cutting the lead wire of the electronic component and each of which synchronously rotates in the carrying direction of the carrying section to cut the lead wire. A cutter and a guide conveyor made of an elastic material that elastically contacts a part of the outer periphery of the cutter except for one of the cutters and presses the lead wire cut by the cutting blade against the cutter to carry it, and is carried by this guide conveyor. In addition, since the lead wire after cutting is collected, the lead wire can be easily cut without using a complicated positioning mechanism, and the lead wire after cutting can be reliably collected. It has the effect of say.

According to a second aspect of the present invention, in the first aspect of the present invention, a plate for forcibly excluding the cut lead wire from the cutter is cut by the cutter whose tip end is in elastic contact with the guide conveyor. Part of the outer circumference excluding the blade,
In addition, the guide conveyor is arranged so that it comes into contact with or comes close to a portion that does not elastically contact,
It has an effect that the lead wire after cutting can be collected more reliably.

An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are a perspective view and a cross-sectional view of an essential part showing a schematic configuration of a lead wire cutting device for an electronic component according to the embodiment, and FIGS.
Is a plan view of a main part before and after cutting a lead wire of an electronic component,
FIG. 4 is a front view of a main part of a portion for collecting the cut lead wire.

In the figure, reference numerals 1a and 1b denote disk-shaped cutters whose outer peripheral surfaces are cut in a U-shape with a convex portion at the top and a concave portion at the inside. The disc-shaped cutters 1a and 1b are shown.
Cutting blades 18a, 18b are attached to the lower surface of the cutting blade 18a, respectively, and the outer peripheral portion of the upper surface of the cutting blade 18a and the outer peripheral portion of the lower surface of the cutting blade 18b are arranged to contact each other.
6 and 17 rotate in the direction of the arrow in FIG. Reference numeral 2 denotes an electronic component having a lead wire 5. The electronic component 2 is in a state in which the lead wire 5 is directed upward on a conveyor belt 8 for transportation installed on the inner bottom of a rail 9 serving as a transportation guide. It is mounted, its main body is regulated by the floating prevention guide 7, and it is conveyed as shown by the arrow in FIG.

Reference numeral 3 denotes a plate attached to the upper end surface of the chute 4 for collecting the cut lead wire 5 in order to forcibly remove the cut lead wire 5 from the outer peripheral surface of the disk-shaped cutter 1b. Is a ring, an O-ring, or an elastic belt, and is circulated via the auxiliary roller 13 driven by the disc-shaped cutter 1b, and the lead wire 5 of the electronic component 2 and the cut lead wire 5 are disc-shaped. The guide conveyors 10a and 10b for conveying while pressing against the center of the outer peripheral surface of the blade-shaped cutter 1b are configured to have the same diameter, shape, number of teeth, etc. and mesh with each other, and the gears mounted on the shaft 16 and the shaft 17, 11 Is a housing in which the shaft 16 and the shaft 17 are rotatably mounted by a bearing 19 such as a bearing, and 12 is a universal joint 1.
4 is a motor that drives a shaft 15 connected to a shaft 16 to which a gear 10a and a disk-shaped cutter 1a are connected by means of 4.

Next, the operation will be described. The electronic component 2 which is installed on the inner bottom of the rail 9 and is conveyed with the main body case down by the conveyor belt 8 sliding in the direction of the arrow is driven by the motor 12 to the gears 10a and 1a.
0b, when passing between the cutting blades 18a and 18b attached to the disk-shaped cutters 1a and 1b that rotate in opposite directions to each other in the traveling direction of the conveyor belt 8, the height is prevented by the floating prevention guide 7. That is, the lead wire 5 is held so as to regulate the cutting length, and the lead wire 5 is continuously cut by the cutting blades 18a and 18b.

The disc-shaped cutters 1a and 1b are rotating in the directions of the arrows, the lead wires 5 are cut, and the electronic components 2 released from the disc-shaped cutters 1a and 1b are freed by the belt conveyor 8. The lead wire 5 that has been conveyed to the next step and cut on the one hand is sandwiched and held by the guide conveyor 6 and the vertical convex and concave portions of the U-shaped portion on the outer peripheral surface of the disk-shaped cutter 1b during and after cutting. The disk-shaped cutter 1b is rotated and the guide conveyor 6 operates in synchronism with the rotation of the disk-shaped cutter 1b to convey it to the upper part of the chute 4, and when the guide conveyor 6 is separated from the outer peripheral surface of the disk-shaped cutter 1b, it naturally falls into the chute 4. It is then recovered.

Further, the tip portion 3a attached to the upper end of the chute 4 has a shape corresponding to the U-shaped portion of the outer peripheral surface of the disk-shaped cutter 1b and is installed so as to have a gap smaller than the diameter of the lead wire 5. The plate 3 forcibly removes the lead wire 5 that is in close contact with the outer peripheral surface of the disk-shaped cutter 1b and has not fallen spontaneously on the chute 4, and the re-cut lead wire 5 hits the cutting blades 18a and 18b. It prevents it from mixing with the cutting part that is in contact. It should be noted that instead of the plate 3, a brush, a roller, a nail, or air blowing may be used.

[0020]

As described above, the apparatus for cutting lead wires for electronic parts according to the present invention does not require a positioning mechanism, so that when electronic parts conveyed by a conveyor belt pass between a pair of disc-shaped cutters. Moreover, continuous cutting can be easily performed by rotating the cutting blade instead of reciprocating the cutter. For this reason, the convey speed of the conveyor can be increased, and the entire equipment can be easily increased in speed.

Further, since the structure is simplified and the number of constituent parts is reduced, the equipment cost is reduced, and the cut lead wire is of a simple structure to be sandwiched between the disk-shaped cutter and the elastic guide conveyor. Thus, it is possible to realize a lead wire cutting device for electronic components that can be stably transported and that can be reliably collected easily.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of a lead wire cutting device for an electronic component according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the cut section.

FIG. 3A is a plan view of a main part showing a state before cutting the lead wire; FIG. 3B is a plan view of a main part showing a state after cutting the lead wire.

FIG. 4 is a front view of a recovery unit that recovers the cut lead wire.

FIG. 5 is a cross-sectional view of essential parts showing the configuration of a conventional electronic device lead wire cutting device.

[Explanation of symbols]

 1a Disc-shaped cutter 1b Disc-shaped cutter 2 Electronic parts 3 Plate 3a Tip part 4 Chute 5 Lead wire 6 Guide conveyor 7 Lift prevention guide 8 Conveyor belt 9 Rail 10a Gear 10b Gear 11 Housing 12 Motor 13 Auxiliary roller 14 Universal joint 15 Shaft 16 Shaft 17 Shaft 18a Cutting blade 18b Cutting blade 19 Bearing

Claims (2)

[Claims] 1. A lead of an electronic component, which is arranged in a pair so as to face a transport unit that sequentially transports electronic components with a lead wire with a lead wire facing upward and sandwich a part of the transport unit. A disk-shaped cutter equipped with a cutting blade for cutting the wire and cutting the lead wire by rotating in the carrying direction of the carrying section in synchronization with each other An electron consisting of a guide conveyor made of an elastic material for elastically contacting a part and pressing the lead wire cut by the cutting blade to the cutter for carrying, and a collecting part for collecting the cut lead wire carried by the guide conveyor. Lead wire cutting device for parts. 2. A plate for forcibly excluding a lead wire after cutting from a cutter, a part of the outer periphery of which has a tip portion thereof excluding the cutting blade of the cutter to which a guide conveyor makes elastic contact,
The lead wire cutting device for an electronic component according to claim 1, wherein the guide conveyor is arranged and attached so as to come into contact with or close to a portion where the guide conveyor does not elastically contact.