JPH0730189Y2 - Wire guide device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention provides a strip portion at one end of an electric wire (lead wire) used for wiring for automobiles or household appliances, for example. The present invention relates to an electric wire guide device for an electric wire processing machine, in which a terminal is inserted and crimped to the strip portion to be attached, and the terminal is inserted and crimped to the strip portion at the other end portion of the electric wire to be attached.

(Prior Art) Generally, as shown in FIG. 6, an electric wire W used for automobile wiring or household equipment wiring has a core wire (core wire) a.
Is covered with an insulating jacket b, a strip portion is formed at one end of the electric wire W, and a connecting terminal c is inserted into the strip portion and crimped. The strip portion is formed, and another terminal d for connection is inserted and crimped to this strip portion.

That is, the already proposed terminal guide means for this type of electric wire W is constructed as shown in FIG.

In FIG. 5, the machine frame 3 on the conveying path of the conveying device 2 having a rotating disk shape provided with the clamp device 1 in the electric wire processing machine.
Is provided with a truncated-conical guide member 4 so as to guide the electric wire W. At the back of the machine frame 3 facing the guide member 4, a movable frame 5 is provided. It is provided so as to move back and forth with respect to 3. A pair of guide rails 6a and 6b are arranged in parallel on a part of the movable frame 5, and a sliding body 7 is fitted on the guide rails 6a and 6b. Further, the sliding body 7 is provided with a pair of left and right clamp devices 8 and 9 having respective wire guide cylinders 8a and 9a.
For example, like the air cylinder device, each electric wire W in each electric wire guide tube 8a, 9a is temporarily held by the pressure of compressed air. Further, the movable frame 5 is additionally provided with a cylinder device 10 such as an air cylinder device, and an output shaft 10a of the cylinder device 10 is pivotally attached to the sliding body 7 by a pin shaft 11.
The electric wires W in the electric wire guide cylinders 8a and 9a are supplied by the pair of wire supply rollers 12a and 12b, and the guide member 4 and the electric wire guide cylinders 8a and 9a are supplied. A cutting device 13 including a well-known pair of strip blades 13a and electric wire cutters 13b is disposed between and.

Therefore, the terminal guide means of the electric wire W in the electric wire processing machine is
In advance, as shown in FIG. 6, a strip portion is formed at one end of the electric wire W, and a terminal c for connection is connected to the strip portion.
Insert and crimp.

Next, when another strip portion is formed at the other end of the electric wire W and another terminal d for connection is inserted and crimped to this strip portion, as shown in FIG.
The electric wires W in a and 9a are temporarily gripped by the clamp devices 8 and 9, and at the same time, the cylinder device 10 operates to supply electric wires. After that, each of the above clamp devices 9
After the gripping operation by the operation of 1 is released, the other end of the electric wire W is gripped by the clamp device 1 through the cutting device 13 and the guide member 4 by the rotation of the pair of wire feed rollers 12a, 12b. In the cutting device 13, the strip blade 13a and the cutter 13b cooperate with each other to form a strip portion at the other end of the electric wire W and cut into a predetermined length. The strip portion of the electric wire W gripped by the clamp device 1 is a transport device 2 using a rotating disk.
Then, it is transferred to the next terminal mounting device (not shown), and the terminal d is inserted therein.

On the other hand, the movable frame 5 and the cylinder device 10 return to the rear of the machine frame 3 and stand by for the next operation.

(Problems to be solved by the invention) However, the electric wire guide means in the electric wire processing machine described above forms a strip portion at one end portion of the electric wire W in advance, and inserts and crimps a connecting terminal c into the strip portion.
Moreover, because the distance to the guide member 4 is long,
The weight of each terminal c inserted into one end of the electric wire W causes the electric wire W to hang down as shown by the chain line in FIG.
Not only is there a possibility that one end of the wire may not be smoothly guided to the guide member 4, but there is a drawback that the wire W may be damaged by coming into contact with the cutting device 13.

The present invention has been made in view of the above circumstances, and temporarily holds the electric wire of the secondary clamp device so that the terminal inserted into one end of the electric wire does not hang down. An object of the present invention is to provide an electric wire guide device in which one end of the electric wire is smoothly guided to the guide member and is not in contact with the cutting device.

[Constitution of device]

(Means for Solving the Problem and Its Effect) The present invention relates to an electric wire processing machine for crimping another terminal to each other end of two electric wires having a crimping terminal at one end. An electric wire guide member is provided on the machine frame of the carrier device provided with, and a movable frame is provided on the machine frame facing the guide member via the cutting device, and a pair of guide rails are provided side by side on the movable frame. Sliding bodies are fitted on both guide rails, and a pair of clamp devices by an air cylinder device having a pair of electric wire guide members are provided on the sliding bodies.
A pair of guide rods are provided in parallel with the electric wire guide members on the support members of both the clamp devices, and the sliding members are urged and fitted to the guide rods so as to return to the respective guide rods. The sliding member was provided with a pair of secondary clamp devices by an air cylinder device having guide cylinders on the same axis as the electric wire guide members so as to alternately switch between the clamp devices and grip each electric wire. The electric wires gripped by the both clamp devices are moved forward together with the sliding body by the amount corresponding to the primary stroke, and then the gripping operation of both clamp devices is released, and at the same time, the electric wire is switched to the secondary clamp device. Each electric wire gripped and moved by the secondary clamp device is moved forward together with each sliding member by a secondary stroke, and the electric wire with a terminal is guided so as not to hang down by its own weight and inserted into the guide member. Is

(Embodiment) Hereinafter, one embodiment of the present invention will be described.

The present invention includes the same components as those of the above-described specific example.
Description will be given with the same reference numerals.

In FIGS. 1 to 4, reference numeral 1 denotes a truncated cone-shaped guide on a machine frame 3 on a conveying path of a conveying device 2 having a rotating disk shape having an electric wire gripping device 1 in an electric wire processing machine. A member 4 is provided so as to guide the electric wire W, and a movable frame 5 is moved back and forth with respect to the machine frame 3 at the back of the machine frame 3 facing the guide member 4. It is provided. A pair of guide rails 6a and 6b are arranged in parallel on a part of the movable frame 5, and a sliding body 7 is fitted on the guide rails 6a and 6b. Further, a pair of left and right clamp devices 8 and 9 having respective electric wire guide cylinders 8a and 9a are provided on the sliding body 7 so as to be orthogonal to the electric wire W. The both clamp devices 8 and 9 are, for example, Like the air cylinder device, the electric wires W in the electric wire guide tubes 8a and 9a are temporarily held by the pressure of compressed air. Further, the movable frame 5 is additionally provided with a cylinder device 10 such as an air cylinder device, and an output shaft 10a of the cylinder device 10 is pivotally attached to the sliding body 7 by a pin shaft 11. The electric wires W in the electric wire guide tubes 8a and 9a are supplied by the pair of wire supply rollers 12a and 12b as shown by the chain line in FIG. Between the guide member 4 and each of the electric wire guide cylinders 8a and 9a, a cutting device 13 including a well-known pair of strip blades 13a and electric wire cutters 13b is arranged.

On the other hand, a pair of guide rods 14 and 15 are provided on the support members 8b and 9b of the clamp devices 8 and 9 in parallel with the wire guide tubes 8a and 9a, respectively. 14, 15
The sliding members 16 and 17 are slidably fitted by being biased by the coil springs 18 so as to return. Further, each of the support members 8b, 9b is provided with, for example, each cylinder device (only one is shown in the figure) 19 by an air cylinder device, and the output shaft 19a of each cylinder device 19 is the above-mentioned one. It is connected to the sliding members 16 and 17. Further, as shown in an enlarged view in FIG. 3, the sliding members 16 and 17 have a pair of left and right secondary clamp devices 20 for gripping the respective electric wires W with respect to the respective clamp devices 8 and 9. And are alternately held.

That is, the secondary clamp device 20 is mounted such that the piston 22 is biased by the coil spring 23 so as to return to the cylinder body 21 having the guide cylinder 21a, and the cylinder body 21 and the piston 22 are set in the middle. The electric wire passages 24a and 24b are formed to communicate with each other, the electric wire W is drawn through the electric wire passages 24a and 24b, and a compressed air supply port 25 is attached to one side of the cylinder body 21.

It should be noted that the upper secondary clamp device 20 has an auxiliary spring 26
Is hung so as to support the electric wire W from below, and the auxiliary spring 26 prevents the electric wire W on the upper side from hanging down.

Therefore, in both of the secondary clamp devices 20, when compressed air is supplied from the supply port 25, the piston 22 is pushed against the elastic force of the coil spring 23, so that the electric wire passage 24a of the piston 22. A part of the electric wire W is temporarily held by the side wall of the.

The operation of the present invention will be described below.

Therefore, now, in an electric wire processing machine for crimping the other terminal d to each of the other ends of the two electric wires W having the crimp terminal c at one end, a pair of two electric wires W having the crimp terminal c at one end is previously prepared. The wire guide members 8a and 9a and the guide cylinders 21a on the same axis as the wire guide members 8a and 9a, respectively, are connected to the wire feed rollers 12a and 12b respectively.
Transfer by and put through.

Next, each strip portion is formed on each other end (tail end portion) of the electric wire W, and another terminal d for connection is formed on each strip portion.
When collectively crimping, as shown in FIG. 1, the two electric wires W are gripped by the gripping operation of the pair of clamp devices 8 and 9 by the air cylinder device, and at the same time, the cylinder device 10 is driven. Then, each of the electric wires W is moved forward together with the sliding body 7 by a primary stroke, and the crimping terminals c where the guide cylinders 21a on the same axis as the electric wire guide members 8a and 9a are located are connected to the cutting device 13. Get close and stop.

After that, at the same time when the gripping operation of the both clamp devices 8 and 9 is released, the wire clamp is switched to the secondary clamp device 20 to grip each wire w, and the cylinder devices 19 are driven to drive the secondary clamp devices. Each wire W gripped by the device 20
So that the crimping terminal c passes through without contacting the cutting device 13 and the electric wire W with the crimping terminal c does not hang down by its own weight. It is surely inserted straight into the guide member 4 and stopped. Then, at the same time when the both secondary clamp devices 20 release the gripping action of each electric wire W, the pair of wire feeding rollers 12a and 12b rotate to measure and extend each electric wire W to a predetermined length. , The electric wire gripping device 1 is operated, and the electric wire gripping device 1 operates to grip the tail end portion of each electric wire W, and then the other end portion of each electric wire W forms a strip portion by the cutting device 13. At the same time, the electric wire W is cut off.

Next, the strip portion of the wire W gripped by the wire gripping device 1 is transferred to another terminal crimping device (not shown) by the transport device 2 using a rotating disk, and the terminal d is connected to each strip part here. Are crimped together.

On the other hand, the sliding body 7 and the sliding member 16 of the movable frame 5,
The cylinder 17 is moved back to the machine frame 3 by the action of the cylinder device 10, each cylinder device 19 and the coil spring 18, and stands by for the next operation.

(Effects of the Invention) As described above, the present invention provides the above-mentioned machine in which the guide member for the electric wire is provided in the machine frame of the conveying device including the electric wire gripping device of the electric wire processing machine, and the guide member is opposed to the guide member through the cutting device. A movable frame is provided on the frame, a pair of guide rails are arranged side by side on the movable frame, sliding bodies are fitted on the both guide rails, and a pair of clamps by an air cylinder device having a pair of electric wire guide members on the sliding bodies. An apparatus is provided, and a pair of guide rods are provided on the supporting members of both clamp devices in parallel with the wire guide member, and the sliding members are urged and fitted on the guide rods by springs. Then, a pair of secondary clamp devices by an air cylinder device having guide cylinders on the same axis as the electric wire guide members on the sliding members are alternately switched to the clamp devices to grip the electric wires. Provided as Since the electric wire can be transferred with a two-step stroke without difficulty, the electric wire with a terminal can be linearly and reliably inserted into the guide member without hanging under its own weight, and it does not come into contact with the cutting device. It also has an excellent effect that the quality of the coating can be improved without damaging the coating.

[Brief description of drawings]

FIG. 1 is a side view of an electric wire guide device in an electric wire processing machine of the present invention, FIG. 2 is a front view thereof, FIG. 3 is an enlarged sectional view of a chain circle A in FIG. 2, and FIG. FIG. 5 is a side view of an electric wire guide device in an electric wire processing machine already proposed, and FIG. 6 is an electric wire in which terminals are attached to both ends of the electric wire. FIG. 1 ... Wire gripping device, 2 ... Conveying device, 3 ... Machine frame, 4
...... Guide member, 5 …… Movable frame, 7 …… Sliding body, 8,
9 ... Clamping device, 10 ... Cylinder device, 12a, 12b ...
… Feeding roller, 13 …… Cutting device, 14, 15 …… Guide rod, 1
6, 17 …… Sliding member, 19 …… Cylinder device, 20 …… Secondary clamp device.

Claims (1)

[Scope of utility model registration request] 1. An electric wire processing machine for crimping another terminal to each other end of two electric wires each having a crimping terminal at one end, the electric wire processing machine being provided in a machine frame of a carrying device equipped with an electric wire gripping device of the electric wire processing machine. A guide member for the electric wire, a movable frame provided on the machine frame facing the guide member via a cutting device, a pair of guide rails arranged side by side on the movable frame, and fitted on both guide rails. And a pair of clamp devices by an air cylinder device having a pair of wire guide members provided on the slide body, and a pair of support members of both clamp devices provided in parallel to the wire guide members. Guide rods, the sliding members fitted to the guide rods by springs so as to return, and the electric wires of the sliding members that are alternately switched to the clamping devices. Provided to hold Moreover, the wire guide apparatus characterized by comprising a pair of secondary clamping device by the air cylinder device having each guide tube of the both wire guide member and the same axis.