JP2871470B2 - Concentrator unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tying and binding apparatus for tying a predetermined length of electric wires subjected to terminal treatment into a desired bundle and then tying them with a rubber band member.

[0002]

2. Description of the Related Art
As this type of apparatus, there is an apparatus disclosed in Japanese Patent Application Laid-Open No. 60-154410. In this device, a desired number of wires cut to a predetermined length are placed on a collecting portion, and the wires of the collecting portion are received and moved to a binding position in a state where the swivel arm is collectively gripped. A rubber band in an expanded state is fitted around the assembled electric wires in the above, and then the expanded state of the rubber band is released to bind the electric wires with the rubber band.

However, in this device, as the electric wire is moved from the gathering portion to the binding position by the turning of the turning arm, the electric wire also turns and the electric wire is twisted during the movement. For this reason, the terminals at the ends of the electric wires are not aligned, and there is a risk that visual inspection of defective products such as missing terminals may be supported. On the other hand, Japanese Patent Application Laid-Open No. 53-1003 discloses a connecting wire manufacturing device including a binding device that does not use rubber bands.
As disclosed in Japanese Patent Application Publication No. 16-216, there is a configuration in which connecting wires are arranged in a plane, and are adhered and held at regular intervals by a paper tape and an adhesive tape.

However, in such a binding device,
There is a problem that a large number of electric wires cannot be bundled in a space-saving manner because the connecting electric wires are arranged in a plane. Also, there is a binding device disclosed in Japanese Patent Application Laid-Open No. 4-173519. In this binding device, a rubber band having a mushroom-shaped locking piece is turned around a bundle-shaped electric wire supplied in advance, and the locking piece is hooked on a loop of the rubber band itself to be bound. FIG. 6 and FIG.
In the figure, there is disclosed an example in which the above-mentioned binding device is applied to an electric wire processing apparatus for cutting a continuous electric wire and crimping a terminal. In the example of FIG. 6, the terminal-processed electric wires sequentially supplied by the turntable are taken out by the electric wire hand, and the electric wire hand is turned so that the electric wires are stocked one by one at the gathering portion of the electric wire holding block. Is completed, the bundle is bound by a rubber band, and the bundled wires are swung while being held by the wire holding block and dropped on a lower belt conveyor.

However, also in this device, since the electric wire is conveyed by turning the electric wire hand and the electric wire holding block, the electric wire is twisted. For this reason, the terminals at the ends of the electric wires are not aligned, and there is a possibility that visual inspection of defective products such as missing terminals may be hindered. The present invention
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a small-sized concentrating and binding apparatus capable of binding electric wires without twisting.

[0006]

In order to achieve the above object, the present invention provides (1) a concentrating and binding apparatus according to claim 1, wherein a terminal-treated wire of a predetermined length is sequentially discharged to a discharging position one by one. Applied to an electric wire processing device to convey, in a concentrator binding device that collects discharged electric wires in a bundle and binds them by a rubber band member,
An assembly including a pair of holding hands that are relatively rotatable relative to each other, and a gathering space in which a desired number of wires are gathered in a bundle by accommodating the wires one by one between the holding hands. And a bundling means for bundling a desired number of bundled wires in a state of being gathered in the gathering space with a rubber band member. The pair of holding hands are arranged such that the bundled wires in a bundle are downward from the gathering space. The above-mentioned gathering space can be opened by relative rotation so that it can fall freely.

[0007] According to the above configuration, the wires are bound by the binding means at the position where the wires are gathered in a bundle, and the wires are freely dropped downward from the gathered position. In the conventional case where the wire is twisted from the gathered position to the position where it is bound, or the wire after completion of the binding is swirled and taken out, the wire may be twisted during the swivel movement. In the present invention, the electric wire is not twisted because there is no turning movement. As a result, the ends of the electric wires can be accurately aligned. In addition, when an electric wire is taken out from the gathered position and moved to a position where it is bundled, a take-out hand is required. However, according to the present invention, this is not necessary, and the apparatus can be downsized. (2) In the concentrating and tying device according to claim 2, in the concentrating and tying device according to claim 1, the tying means is tied to a tying position for tying bundled electric wires gathered in a tying space. It is characterized in that it is movable to a retracted position where it is retracted from the binding position so as to allow the bundle of electric wires to freely fall downward from the gathering space.

According to the above configuration, since the binding means after the completion of the binding is retracted to the retreat position, the binding means does not obstruct the drop of the bundle of electric wires from the gathering space. (3) The concentrator and tie device according to claim 3 is the same as in claim 1 or 2
The concentrating and binding apparatus according to claim 1, further comprising a pair of openable and closable transfer hands for receiving the electric wires at the discharge position, and holding the electric wires with the transfer hands to assemble the collecting portion from the discharge position of the wire processing apparatus. An electric wire conveying means for conveying an electric wire linearly into a space is further provided.

[0009] According to the above configuration, in a state where the electric wires are held by the pair of conveying hands, the electric wire conveying means conveys the electric wires linearly from the discharge position to the gathering space, so that the electric wires are not twisted during the conveyance. As a result, the ends of the bound electric wires can be more accurately aligned. (4) The concentrating and tying device according to claim 4, wherein the wire conveying means is moved by a driving system of the electric wire processing device to move the conveying hand. Is further included.

According to the above construction, the moving means for moving the transfer hand is driven by the drive system of the wire processing device, so that the operation of sequentially transporting the wires to the discharge position of the wire processing device is ensured. The transfer hand can be moved to the vicinity of the discharge position in synchronization with the operation. Therefore, there is no time loss and the production efficiency of the electric wire processing apparatus is not reduced. (5) The concentrator according to claim 5 is the same as claim 3 or 4.
The concentrator according to any one of the preceding claims, further comprising a transfer hand opening / closing means driven by a drive system of the electric wire processing device to open and close the transfer hand near a discharge position. .

According to the above construction, the transfer hand for receiving the electric wire conveyed to the discharge position is opened and closed by the electric wire hand opening / closing means driven by the drive system of the electric wire processing device. The transport hand can be reliably opened and closed in synchronization with the operation in which the electric wires are sequentially transported to the discharge position. Therefore, there is no time loss and the production efficiency of the electric wire processing apparatus is not reduced. (6) The concentrating device according to claim 6 is the concentrating device according to any one of claims 3 to 5, for inserting an electric wire into the concentrating space between the pair of holding hands. An openable and closable wire insertion slit is formed, moves integrally with the transfer hand, and engages with a predetermined member related to the pair of holding hands in a state close to the gathering portion, thereby forming a pair of holding hands. And a slit opening means for opening the slit by relatively rotating the slit by a predetermined amount.

According to the above construction, when the transport hand moves to the vicinity of the gathering portion, the slit opening means provided on the transport hand comes into contact with a predetermined member related to the pair of holding hands, so that the pair of holding hands is held. The hand is rotated relatively,
Thereby, the slit for inserting the electric wire into the gathering space is opened. The electric wire is inserted into the gathering space through the opened slit. Since the slit is opened only when necessary, it is possible to suppress the electric wire from the gathering space from protruding from the slit. In addition, since the slit can be opened and closed in synchronization with the transfer hand moving to the vicinity of the gathering portion, there is no time loss, and the wires can be reliably gathered in the gathering space. (7) The concentrator according to claim 7, wherein in the concentrator according to any one of claims 3 to 6, the concentrator is configured to move integrally with the transport hand in a state close to the transport hand. A wire holding release means for releasing the holding of the wire by the transport hand by engaging with the member of (1).

According to the above configuration, when the transfer hand holding the electric wire moves to the vicinity of the collecting portion, the holding of the electric wire is released by the wire holding releasing means of the collecting portion. Since the holding of the electric wire by the conveying hand can be released in synchronization with the movement of the conveying hand to the vicinity of the gathering portion, the electric wires can be surely gathered in the gathering space without time loss. (8) In the tying and binding device according to claim 8, in the tying and binding device according to any one of claims 1 to 7, the tying portion intersects a bundle of electric wires housed in the tying space with each other. And a pair of compression means for elastically compressing independently in two directions. Each of the two directions can hold a bundle of electric wires between the compression means and a corresponding holding hand. Direction.

According to the above construction, the bundle of electric wires held in the gathering space formed between the pair of holding hands is elastically compressed independently in two directions intersecting each other by the pair of compression means. Then, compression is performed between each compression means and the corresponding holding hand. Therefore, the wires can be concentrated without bias. Further, the wire can be stably held with a small force, and as a result, the held wire is not damaged.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The overall configuration diagram 2 is a schematic plan view of the electric wire processing apparatus to which an embodiment according to Example concentrator binding apparatus of the present invention is applied, FIG. 1 is a schematic perspective view of a concentrator binding device.

Referring to FIG. 2, an electric wire processing apparatus A includes a machine frame 1 and a pair of insulated wires W fed from an unillustrated wire feeding roll along a feeding path R extending in the vertical direction of the drawing. And a cutting blade group 3 for cutting and covering the coated electric wire W on the feeding path R by opening and closing motion, and a cutting blade group with the feeding path R interposed therebetween. 3, a pair of terminal crimping devices 4 and 5 arranged on the side of the wire 3 and a clamp 6a for clamping the wire W on the upstream side of the cutting blade group 3 in the feeding direction K. A swivel arm 6 that rotates in a plane orthogonal to the feed path R to move to the terminal crimping device 4; and a clamp that clamps the rear end Wb of the electric wire W downstream of the cutting blade group 3 in the feed direction K. A plurality of portions 7a are provided on the circumference, and intermittently rotate in a plane orthogonal to the feed path R. And an index table 7.

In the present electric wire processing apparatus A, the electric wire W fed along the feed path R is cut into a predetermined length by the cutting blade group 3 and the end coating is stripped (peeling). ), The front end Wa and the rear end W of the stripped electric wire W
The terminals T are crimped to the terminals b by the terminal crimping devices 4 and 5, respectively. With the intermittent rotation, the index table 7 clamps the rear end Wb of the electric wire, for which the terminal crimping to the front end Wa is completed, on the feed path R by the clamp portion 6a, and moves this to the terminal crimping device 5. Then, the terminal T is crimped to the rear end portion Wb, and the electric wires W for which the terminal crimping to the both end portions is completed are sequentially moved to the discharge position P1. Reference numeral 7b denotes a drive shaft for rotating the index table 7.
Reference numeral 8 denotes a measuring device for measuring the length of the electric wire W to be fed. 9 is a tray for receiving the electric wires W being conveyed by the index table 7.

The concentrating and binding apparatus 10 is connected to the discharge position P1.
Are arranged in the vicinity. Referring to FIGS. 1 and 2,
The concentrating and binding apparatus 10 includes a wire transport mechanism 20 that receives and transports the wires W discharged at the discharge position P1 one by one.
And a tying unit 30 for accommodating the conveyed electric wires W one by one and collecting them in a bundle, and a tying device 40 for tying the electric wires W into a collected bundle in a rubber band member. The gathering unit 20 and the binding device 30 are fixed to a frame F fixed to the machine casing 1.

In FIG. 1, the X, Y and Z directions are orthogonal to each other. The X direction is the direction in which the wire transport mechanism 20 transports the wires, the Y direction is downward, and the Z direction is the direction along the feed path R of the wire processing device A. The same applies to the following figures. Referring to FIG. 3 is an exploded perspective view of a wire conveying mechanism wire conveying mechanism 20,
The electric wire conveying mechanism 20 includes a conveying hand unit 50 including a pair of conveying hands 51 and 52 for receiving the electric wire W discharged at the discharging position P1, and combines the conveying hand units 50 from near the discharging position P1. And a moving mechanism 60 that linearly reciprocates near the unit 30.

[0020] With reference to FIG. 5 is a diagram 4, and assembled perspective view is an exploded perspective view of the conveying hand unit conveying hand unit 50, the conveying hand unit 50 has an angle-shaped main body portion 53. The main body 53 supports the transfer hand 51 so as to be rotatable around a shaft 54 along the Z direction. Further, the main body 53 supports the transport hand 52 so as to be slidable in the X direction and the anti-X direction.

The main body 53 has a first portion 53 extending upward.
a and a second portion 53b extending in the X direction. The first portion 53a is formed with a through hole 53c penetrating in the X direction. Also, at the tip of the second portion 52b,
A cam 53d is provided. The cam 53d is engaged with a cam follower 31d provided on the holding hands 31a and 31b of the gathering portion 30 to open a slit for inserting an electric wire between the pair of holding hands 31a and 31b. . An angled bar 58 is fixed to the rear of the first portion 53a. A tension coil spring 59 is interposed between the lower end of the bar 58 and the lower part of the transfer hand 51. The tension coil spring 59 urges the transport hand 51 in the closing direction.

At the upper end of the first portion 53 a of the main body 53, an electric wire W is pushed into the gathering space of the gathering portion 30.
An electric wire pushing plate 55 extending in the X-axis direction is fixed. A concave surface 55 a is formed at the distal end of the electric wire pushing plate 55 to allow the peripheral surface of the electric wire W to follow. The transfer hand 51 has a U-shaped first arm 51a viewed from the X direction, the first arm 51a being rotatably supported by the shaft 54 while sandwiching the main body 53 from both sides.
U-shaped second arm 51b as viewed from the Y direction, fixed to the upper end of the second arm 51b, and each piece 51 of the second arm 51b
c, 51d are provided at the leading ends of the holding members 51e, 51f. A protruding portion 51h extending in the anti-X direction is fixed to a lower portion of one piece portion 51g of the first arm 51a. The protrusion 51h is provided with a pressing roller 76 shown in FIG.
By being pushed by b, the transfer hand 51 rotates, and the transfer hands 51 and 52 are opened. A transport hand opening mechanism 70 described below is configured to include the pressing roller 76b. Also, the first
A cylindrical projection 51i projecting in the Z direction is fixed to the upper part of one piece 51g of the arm 51a.

The transfer hand 52 includes a transfer hand 51.
And a support shaft 52b having one end fixed to the holding portion 52a for holding the electric wire between the holding portions 51e and 51f. Support shaft 52b
The compression coil spring 57 and the retaining ring 56 are fitted with the through-hole 53c of the main body 43a inserted. A peripheral groove 52c into which the retaining ring 56 is fitted is formed at the other end of the support shaft 52b. Compression coil spring 57
Are elastically biasing the transfer hand 52 in the anti-X direction.
A stay 52d extending in the anti-X direction is fixed to a side surface of the holding portion 52a. When the holding portion 52a is pressed in the anti-X direction, the stay 52d pushes the cylindrical projection 51i of the transfer hand 51, rotates the transfer hand 51, and opens the transfer hands 51 and 52. .

Moving mechanism The moving mechanism 60 is provided on the machine frame 1 of the electric wire processing apparatus A, with the mounting plate 6
A slide rail 61c extending in the X direction, fixed via the slide rails 1a and 61b, a slider 62a slidably fitted on the slide rail 61c, the slide 62a and the main body 5 of the transfer hand 50.
3 is provided with a substantially S-shaped connecting plate 62b for connecting the slide 62a and the main body 53 with each other by being screwed to the main body 53.

Further, the moving mechanism 60 includes a wire processing device A
A chain transmission mechanism 63 for transmitting the rotation of the main drive shaft MS, a cam 64 rotationally driven by the chain transmission mechanism 63, a swing arm 65 having a cam follower 65a slidingly contacting the cam 64 at one end; A swingable bending plate 67 having one end connected to the other end of the swing arm 65 via a connecting rod 66; a connecting plate 68 connecting the other end of the bending plate 67 to the slider 62a; It has.

The chain transmission mechanism 63 controls the rotation of the main drive shaft MS of the electric wire processing apparatus A by using a pair of sprockets 63.
a, 63b and the camshaft 64a via the chain 63c.
To communicate. The cam shaft 64 a is rotatably supported by the machine frame 1 and rotates integrally with the cam 64. Swing arm 65
Is rotatably supported on the machine frame 1 around a shaft 65a, and rotatably supports the cam follower 65a at one end. A tension coil spring 69 is interposed between one end of the swing arm 65 and a predetermined portion of the machine frame 1, and the tension coil spring 69 swings the swing arm 65 in a direction of pressing the cam follower 65 a against the cam 64. Is urged to rotate.

The bending plate 67 is supported by the machine frame 1 so as to be swingable around a shaft 67a. Transfer Hand Opening Mechanism Referring to FIGS. 6 and 7, transfer hands 51, 52 are provided in order to allow transfer hands 51, 52 to receive electric wire W from index table 7, near discharge position P1.
The transfer hand opening mechanism 70 for opening the paper will be described. The transfer hand opening mechanism 70 presses the projection 51h of the transfer hand 51 in a state where the transfer hand unit 50 is moved by the moving mechanism 60 and is positioned near the discharge position P1. 51 is opened by rotating the transfer hand 52 with respect to the transfer hand 52.

The transfer hand opening mechanism 70 is formed on the slider 72 slidably supported on the machine frame 1 via a pair of slide rails 71 and the slider 72, and the rotary shaft 7 b of the index table 7 is inserted therethrough. An insertion hole 72a, a compression coil spring 73 interposed between the slider 72 and a predetermined portion of the machine frame 1 for urging the slider 72 in a predetermined direction, and an arm 74 fixed to the slider 72;
A connecting rod 75 connected to the end of the arm 74 and a swing arm 76 connected to the arm 74 via the connecting rod 75 are provided.

The swing arm 76 is supported by the machine frame 1 so as to be swingable around a shaft 76a, and one end of the swing arm 76 is rotatably supported by a pressing roller 76b. In the insertion hole 72a of the slider 72, the rotating shaft 7b of the index table 7 has a plurality of cams 7c on its peripheral surface.
Is formed. Referring to FIG. 6, cam 7c abuts on the inner peripheral surface of insertion hole 72a with rotation of rotary shaft 7, whereby slider 72 relatively moves rightward against compression coil spring 73. The transfer arm 51 is slid, and accordingly, the swing arm 76 is swung counterclockwise, and the transfer hand 51 is rotated clockwise to open. Then, in this open state, one electric wire W discharged from the index table 7 is arranged between the two transfer hands 51 and 52.

Next, referring to FIG. 7, when the cam 7c is in a state of avoiding contact with the inner surface of the insertion hole 72a, the slider 72 is relatively slid to the left.
The roller 76b of the swing arm 76 is in a state in which the pressing of the protrusion 51h of the transfer hand 51 is avoided. For this reason,
The transfer hand 51 is urged counterclockwise by the action of the tension coil spring 59, and the wire W is transferred between the transfer hand 51 and the transfer hand 52.
Sandwich.

The wire conveying operation to the gathered section Next, based on FIG. 8 (a) ~ (c) and 9, it will be described wire conveying operation to the gathered section 30 by wire conveying mechanism 20. FIG. 8 is a simplified view of the operation of the electric wire transport to the gathering unit 30, and FIG. 9 is a diagram showing the relationship between the transport hand unit 50 and the gathering unit 30 in more detail. In each of the drawings, the cylindrical projection 31c is provided on the gathering portion 30.

As shown in FIG. 7, the discharge position P1
Hand unit 50 that has received the electric wire W in the vicinity of
Is slid in the X direction by the moving mechanism 60, and is carried to a position near the gathering section 30, as shown in FIG. At this time, when the connecting rod 66 of the moving mechanism 60 is lowered, the bending plate 67 swings counterclockwise, and accordingly, the slider 62a is slid in the X direction.

When the transfer hand unit 50 is further moved in the X direction, as shown in FIG. 8B, the holding portion 52a of the transfer hand 52 comes into contact with the cylindrical projection 31c of the gathering portion 30 and moves in the X direction. Can be stopped. In this state, when the main body 53 and the transfer hand 51 are further moved in the X direction, the stay 52d of the transfer hand 52 comes into contact with the columnar projection 51i of the transfer hand 51, whereby the transfer hand 51 is rotated clockwise to be opened. Also, the electric wire pushing plate 55 moved together with the main body 53 is
As shown in FIGS. 8B and 8C and FIG.
The electric wire W is pushed in the X direction and pushed into the gathering space.

Thus, the transport hand unit 5
0 transports the wires W one by one by linearly reciprocating between the discharge position P1 of the wires W and the gathering portion 30. Gathered section Figure 1, with reference to FIGS. 9 and 10, gathered section 30,
A pair of holding hands 31a, 31b rotatably supported by the rotating shafts 34a, 34b on the frame F and defining a gathering space V for gathering electric wires therebetween;
A pair of slide pressing plates 32a and 32b which advance and retreat into the collecting space V and press the bundle of electric wires W while being slidably supported by the respective 1a and 31b, and respectively collect these sliding pressing plates 32a and 32b. A tension coil spring 33 as an urging means for elastically urging the space V side
a, 33b and a valve mechanism 3 for permitting insertion of the electric wire W into the gathering space V and restricting withdrawal of the electric wire W from the gathering space V.
7 and a holding hand releasing mechanism 38 for greatly opening the holding hands 31a and 31b after the binding is completed. The slide pressing plate 32a and the tension coil spring 33
a, and the compression mechanism C for compressing the electric wire W is constituted by the slide pressing plate 32b and the tension coil spring 33b, respectively.

Referring to FIGS. 9 and 10, insertion of electric wire W into above-mentioned gathering space V is performed by holding hands 31a, 31
wire insertion slit S formed between the tips of b
Through. This wire insertion slit S is normally closed and urged by a tension coil spring 36b, and is closed as shown in FIG.

Referring to FIG. 9, the converging space V has a substantially square cross section. The slide pressing plate 32a holds the bundle of electric wires W between the holding hand 31b, and the slide pressing plate 32b holds the bundle of electric wires between the holding hand 31a. In a closed state of the pair of holding hands 31a, 31b,
The sliding directions of the slide pressing plates 32a and 32b are substantially orthogonal. The tension coil springs 33a, 33b are connected via the respective slide pressing plates 32a, 32b.
The electric wires W can be pressed and compressed independently of each other in two sliding directions.

Referring to FIGS. 11A and 11B, gears 35a and 35b are provided on the rotating shafts 34a and 34b of the holding hands 31a and 31b, respectively, so as to be integrally rotatable. The two gears 35a and 35b are meshed with each other, so that the holding hands 31a and 31b are opened and closed in conjunction with each other. 10 and FIGS. 11A and 11B, holding hand 31b
A tension coil spring 36b is interposed between a bar 36a fixed to the base end of the frame F and a predetermined portion of the frame F. This tension coil spring 36b is used to hold the holding hands 31a, 31b.
In the closing direction.

Referring to FIGS. 9 and 10, near the leading end of holding hand 31b, transfer hand 51, 52 is opened by contacting transfer hand 52, which is approaching. A columnar projection 31c as an opening means is formed. The holding hand 31b has a cam follower 31d made of a roller rotatably attached to a position below the cylindrical projection 31c.

Referring to FIGS. 10 and 12, the valve mechanism 37 has a U-shaped valve main body 37a along both sides of the holding hand 31a, and a shaft 3 of the holding hand 31a at one end.
A pivot lever 37b rotatably supported in the vicinity of 4a and having the valve main body 37a integrally attached to the other end thereof, and a tension for urging the pivot lever 37b to a position for restricting withdrawal of the electric wire. And a coil spring 37c. Valve body 37
The cam surfaces 3 are provided at the lower ends of the pair of pieces 37d of FIG.
7e are formed. The base end of the rotating lever 37b is
It is rotatably supported by a shaft 37f attached to the side surface of the holding hand 31a. Extension coil spring 37c
Is interposed between a shaft 37g provided on the rotating lever 37b and a shaft 31e provided on the holding hand 31a.

Referring to FIGS. 1 and 10, the holding hand release mechanism 38 has one end attached to the rotating shaft 34a of the holding hand 31a so as to be integrally rotatable, and the other end rotatably attached to a roller 38b. Rotating lever 38a
And an air cylinder 38c fixed to the frame F and pushing down the roller 38b by extending the rod 38d. When the roller 38b is pressed down, the rotating lever 38b rotates, and as a result, the holding hands 31a and 31b are largely opened as shown in FIG. 11B. In this state, the bound electric wire W
Is freely dropped almost directly below, and can be received by a tray or a belt conveyor (not shown).

FIGS. 13 (a) to 13 (c) show the state of the main part of the collecting part 30 and the transfer hand unit 50 when the electric wire is inserted into the collecting space V. FIG. As shown in FIG. 13 (a), the wire insertion slit S is normally closed, but the cam 53 d as a slit opening means of the transport hand unit 50 approaching the gathering unit 30.
Is brought into contact with the cam follower 31 of the holding hand 31b, and as shown in FIG. 13B, by rotating the holding hand 31b clockwise by a predetermined amount, the slit S
Release. Next, the electric wire W is pressed by the electric wire pushing plate 55 as shown in FIG.
The electric wire W is pushed through the opened slit S as shown in FIG. At this time, the electric wire W comes into contact with the cam surface 37e of the valve mechanism 37, so that the valve mechanism 3
7, the valve body 37a is retracted upward, and as a result, the passage of the electric wire W through the slit S is permitted. After the wire W passes,
The valve body 37a of the valve mechanism 37 descends again, and FIG.
, It is possible to prevent the electric wire W from coming out of the gathering space V through the slit S.

As described above, the transfer hands 51, 5
2, the electric wires W conveyed one by one are gathered in the gathering space V of the gathering part 30, and when the gathering of the desired number is completed,
They are bound by a binding device 40 described later. Referring to tie Figures 1 and 4, bundling device 40, using rubber bands member L has a mushroom-shaped locking piece La, hooking the locking piece La in the rubber band member L itself loop, the bundle B of the wire Band together.

The binding device 40 includes a pair of central holders 41a, 41b arranged along the Z direction, a pair of upper holders 42a, 42b arranged along the Y direction,
And a lower holder 43 arranged along the Y direction. The rubber band member L holds the holders 41a,
By 41b, 42a, 42b, 43, it is held in a state of exhibiting a substantially U-shape. That is, the locking piece La
Is hooked on the lower holding tool 43, and the opposing portion Lb of the locking piece La is hooked on the upper holding tools 42a, 42b, and the middle portion is held in the center holding tools 41a, 41b.
b.

The body 44 of the binding device 40 is supported by a frame F so as to be slidable in the Z direction by a moving mechanism 80 described later. The main body 44 has a side plate 44a, an upper plate 44b, and a lower plate 44c. On the upper plate 44,
An air cylinder 45 for vertically moving the upper holders 42a and 42b is attached. Also, on the side plate 44a,
An air cylinder 47 for moving the central holders 41a and 41b in the Z direction is attached. Also, the lower plate 44c
The air cylinder 4 that moves the lower holder 43 up and down
6 is attached. This air cylinder 46
The slider 48 is fixed to a slider 48 slidable along the X direction. The slider 48 is slidably supported by a slide rail 48 fixed to the frame F.

The moving mechanism 80 includes an air cylinder 82 fixed to the frame F by a stay 81, and a stay 83 fixed to the end of the rod 82a of the air cylinder 82 and the air cylinder 47. The main body 44 is slid in the X direction and the anti-X direction via the stay 83 and the air cylinder 47 by the expansion and contraction of the rod 82a. By the sliding movement, the binding device 40 is displaced to a binding position (see FIG. 14B) for binding the collected electric wires W and a retracted position as shown in FIG.

Next, the binding operation will be described with reference to FIGS. When the rod 82a of the air cylinder 82 is shortened, the entire binding device 40 is moved in the anti-X direction, whereby the respective holders 41a
The rubber band member L held by -43 is shown in FIG.
The state shown in FIG. 14A is moved to a state of circling the bundle of electric wires W as shown in FIG.

Next, as shown in FIG. 14C, the lower holding tool 43 is raised, and the locking piece La is passed through the loop of the rubber band member L. Thereafter, as shown in FIG. 14D, the upper holding members 42a and 42b are raised, and the holding of the rubber band member L by the upper holding members 42a and 42b is released. As a result, the lower piece 43 is used to lock the locking piece La.
And the portion Lb of the rubber band member L opposed thereto is held.

Next, as shown in FIG. 14E, the lower holding member 43 is lowered, and the holding of the rubber band member L by the lower holding member 43 is released. Thereby, the center holding tool 41
The bundle of electric wires W is bound by the rubber band member L with the a and 41b sandwiched therebetween. Thereafter, as shown in FIG. 14 (f), the center holders 41a, 41b are moved in the direction opposite to the Z direction, thereby slipping out of the loop of the rubber band member L, whereby the binding by the rubber band member L is completed.

When the binding is completed, the binding device 40 is
To the retreat position shown in FIG. Thereafter, as described above, referring to FIG. 11B, the holding hands 31, 31b
Is released, and the bundle B of the electric wires W is freely dropped almost directly below. At this time, the binding device 40
Is retracted to the retracted position, so that it does not hinder the bundle B of the electric wires W from falling.

According to this embodiment, the following operation and effect can be obtained. That is, the wires W are bound by the binding device 40 at the position where the wires W are gathered in a bundle, and are freely dropped downward from the gathered position. In the conventional case where the wire W is twisted from the gathered position to the position where the wire is bundled, or the wire after the completion of the binding is swirled and taken out, the wire W may be twisted during the swing movement. In the present embodiment, since there is no turning movement, the electric wire W is not twisted. As a result, the ends of the electric wires W can be accurately aligned. In addition, when an electric wire is taken out from the gathered position and moved to a position where it is bundled, a take-out hand is required. However, in the present embodiment, this is unnecessary, and the apparatus can be downsized. Since the binding device 40 after the completion of the binding is retracted to the retreat position, the binding device 40 does not hinder the drop of the bundle B of the electric wires W from the gathering space V. With the electric wire W held between the pair of transfer hands 51 and 52, the electric wire B is moved from the discharge position P1 to the gathering space V.
Since the wire W is transported in a straight line, the wire W is not twisted during the transport.
As a result, the ends of the bound electric wires W can be more accurately aligned. A moving mechanism 60 for moving the transport hands 51 and 52
Is driven by the drive system of the electric wire processing device A, so that the transport hands 51, 5 are reliably synchronized with the operation of sequentially transporting the electric wire W to the discharge position P1 of the electric wire processing device A.
2 can be moved to the vicinity of the discharge position P1. Therefore, there is no time loss, and the production efficiency of the electric wire processing apparatus A does not decrease. Since the transfer hands 51 and 52 are opened and closed by the electric wire hand opening / closing opening 70 driven by the drive system of the electric wire processing device A, the operation in which the electric wires W are sequentially conveyed to the discharge position P1 of the electric wire processing device A. In addition, the transport hands 51 and 52 can be reliably opened and closed synchronously. Therefore, there is no time loss, and the production efficiency of the electric wire processing apparatus A does not decrease. When the cam 53d provided in the transfer hand unit 50 comes into contact with the cam follower 31d of the holding hand 31b of the collecting part 30, the wire insertion slit S of the collecting part 30 is opened. Therefore, since the slit S is opened only when necessary, it is possible to suppress the electric wire W from unnecessarily protruding from the collection space V. Further, since the slits S can be opened and closed in synchronization with the movement of the transport hands 51 and 52 to the vicinity of the gathering section 30,
There is no time loss, and the wires W can be surely gathered in the gathering section V. The cylindrical projections 31c provided on the concentrating unit 30 abut on the transport hand 52, so that the transport hands 51, 5 are provided.
2 is released from holding the electric wire W. Accordingly, the holding of the electric wires W by the transfer hands 51 and 52 can be released in synchronism with the movement of the transfer hands 51 and 52 to the vicinity of the gathering section 30 without any time loss. It can be surely gathered in the space V. Since the bundle of wires W held in the gathering space V is elastically compressed independently in two directions crossing each other, the wires W can be compressed without bias. Further, the wire W can be stably held with a small force, and as a result, the held wire W is not damaged.

The present invention is not limited to the above embodiment. For example, instead of an index table comprising a turntable of an electric wire processing device, a conveying device for conveying electric wires in a straight line can be used. In addition, various design changes can be made.

[0052]

According to the first aspect of the present invention, the wires are bound by the binding means at the position where the wires are gathered in a bundle, and the wires are freely dropped downward from the gathered position. Swivel from the gathered position to the union position,
In the conventional case where the wire after the completion of the binding is swirled and taken out, the wire may be twisted during the swivel movement. On the other hand, in the present invention, the wire is twisted because the swivel movement is not performed. Nothing. As a result, the ends of the electric wires can be accurately aligned. In addition, when an electric wire is taken out from the gathered position and moved to a position where it is bundled, a take-out hand is required. However, according to the present invention, this is not necessary, and the apparatus can be downsized.

According to the second aspect of the present invention, the binding means after the completion of the binding is retracted to the retracted position, so that the binding means is
There is no hindrance to the bundle of wires falling from the gathering space. According to the third aspect of the present invention, in a state where the electric wires are held by the pair of conveying hands, the electric wire conveying means conveys the electric wires linearly from the discharge position to the gathering space, so that the electric wires are not twisted during the conveyance. As a result, the ends of the bound electric wires can be more accurately aligned.

According to the fourth aspect of the present invention, since the moving means for moving the transfer hand is driven by the drive system of the wire processing device, the wires are sequentially transported to the discharge position of the wire processing device. The transport hand can be moved to the vicinity of the discharge position reliably in synchronization with the operation. Therefore, there is no time loss and the production efficiency of the electric wire processing apparatus is not reduced.

According to the fifth aspect of the present invention, the transfer hand for receiving the electric wire conveyed to the discharge position is opened and closed by the electric wire hand opening / closing means driven by the drive system of the electric wire processing apparatus. The transport hand can be reliably opened and closed in synchronization with the operation of sequentially transporting the wires to the discharge position of the wire processing device. Therefore, there is no time loss and the production efficiency of the electric wire processing apparatus is not reduced.

According to the sixth aspect of the present invention, when the transport hand moves to the vicinity of the converging portion, the slit opening means provided on the transport hand comes into contact with a predetermined member, so that the pair of holding hands can move relative to each other. It is rotated, thereby opening the slit for inserting the electric wire into the gathering space. The electric wire is inserted into the gathering space through the opened slit. Since the slit is opened only when necessary, it is possible to suppress the electric wire from the gathering space from protruding from the slit. Further, since the slit can be opened and closed in synchronization with the transfer hand moving to the vicinity of the concentrating portion, there is no time loss, and the electric wires can be reliably collected in the concentrating section.

According to the seventh aspect of the present invention, when the transfer hand holding the electric wire moves to the vicinity of the collecting portion, the holding of the electric wire by the transfer hand is released by the wire holding releasing means of the collecting portion. Since the holding of the electric wire by the conveying hand can be released in synchronization with the movement of the conveying hand to the vicinity of the gathering portion, the electric wires can be surely gathered in the gathering space without time loss.

According to the eighth aspect of the present invention, the bundle of wires held in the gathering space formed between the pair of holding hands is elastically independent of each other in two directions crossing each other by the pair of compression means. And compressed between each compression means and the corresponding holding hand. Therefore, the wires can be concentrated without bias. Further, the wire can be stably held with a small force, and as a result, the held wire is not damaged.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a concentrating and binding apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view of an electric wire processing apparatus equipped with a wire tying device.

FIG. 3 is an exploded perspective view of a wire transport mechanism including a transport hand unit and a moving mechanism that moves the transport hand unit.

FIG. 4 is an exploded perspective view of the transfer hand unit.

FIG. 5 is a perspective view of a transfer hand unit holding an electric wire.

FIG. 6 is a schematic side view of the transfer hand unit and the transfer hand opening mechanism, showing a state immediately before the transfer hand receives the electric wire discharged from the index table.

FIG. 7 is a schematic side view of the transfer hand unit and the transfer hand opening mechanism, showing a state immediately after the transfer hand has received the electric wire discharged from the index table.

FIG. 8 is a schematic side view of the transfer hand unit and the moving mechanism, sequentially showing a step in which the transfer hand unit comes into contact with the cylindrical projection of the converging portion to release the holding of the electric wire.

FIG. 9 is a side view of the transfer hand unit and the collecting unit, showing a state in which electric wires are inserted into the collecting space of the collecting unit by the transfer hand.

FIG. 10 is a schematic perspective view of a holding hand and a holding hand opening mechanism of a gathering portion where wires are gathered.

11A and 11B are schematic side views of a gathering unit, in which FIG. 11A shows a state in which a pair of holding hands gathers electric wires, and FIG.
Shows a state in which a pair of holding hands are opened to allow the bound electric wires to fall freely.

FIG. 12 is a schematic perspective view of a valve mechanism that allows an electric wire to be inserted into a concentration space of a concentration portion and prevents the electric wire from being pulled out of the concentration space.

13 (a) to 13 (c) are schematic side views of a main part of a collecting part and a transport handyt sequentially showing steps of inserting an electric wire into a collecting space defined between a pair of holding hands. .

14 (a) to (f) are schematic perspective views of a main part of the binding device and a bundle of electric wires, sequentially showing steps of the binding device binding the bundle of electric wires using a rubber band member. .

[Explanation of symbols]

 Reference Signs List A wire processing device W wire 1 machine frame 7 index table P1 discharge position 10 wire tying device F frame 20 wire transport mechanism 30 gathering parts 31a, 31b holding hand V gathering space S wire insertion slit 31c cylindrical projection (hand releasing means for transport) 31d Cam follower C Compression mechanism 32a, 32b Slide pressing plate 33a, 33b Tension coil spring (biasing means) 37 Valve mechanism 38 Holding hand opening mechanism 40 Binding device L Rubber band member La Locking piece 41a, 41b Central holder 42a, 42b Upper holding tool 43 Lower holding tool 45 to 47 Air cylinder 50 Transfer hand unit 51, 52 Transfer hand 53d Cam (slit opening means) 53 Main unit 55 Wire pushing plate 60 Moving mechanism 70 Transport hand opening mechanism 80 Moving mechanism

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seiji Kaneda 2-20-46 Horifune, Kita-ku, Tokyo Machinery Development Center, Japan Tobacco Inc. (72) Inventor Mitsuhiro Kiguchi Horifune, Kita-ku, Tokyo JP-A-4-173519 (JP, A) JP-A-60-154410 (JP, A) JP-A-5-205 213307 (JP, A) JP-A-5-303917 (JP, A) JP-A-54-98897 (JP, A) JP-A-6-336216 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65B 27/00 B65B 27/10 H01B 13/00 513

Claims (8)

(57) [Claims] The present invention is applied to an electric wire processing apparatus for sequentially transporting electric wires of a predetermined length that have been subjected to terminal treatment one by one to a discharge position, and collects the discharged electric wires in a bundle and binds them by a rubber band member. In the apparatus, a pair of holding hands that are relatively rotatable relative to each other is included, and a gathering space in which a desired number of wires are gathered in a bundle by holding the wires one by one between the holding hands. A bounding portion that is partitioned, and a binding unit that binds a desired number of bundled wires in a state of being gathered in the gathering space with a rubber band member, wherein the pair of holding hands collectively bind the bundled wires. A concentrating device, wherein the concentrating space can be opened by relative rotation so that the concentrating space can be freely dropped downward from the space. 2. The tying and binding apparatus according to claim 1, wherein said tying means comprises: a tying position for tying the tying-up wires bundled in the tying space; A concentrating and tying device which is movable to a retracted position where it is retracted from the tying position so as to allow a free fall downward. 3. The wire collecting and binding apparatus according to claim 1, further comprising a pair of openable and closable transfer hands for receiving the electric wires at the discharge position, wherein the electric wires are processed while holding the electric wires by the transfer hands. A concentrating and tying device further comprising an electric wire conveying means for conveying an electric wire linearly from a discharge position of the device to a concentrating space of the concentrating portion. 4. The wire collecting and binding apparatus according to claim 3, wherein the electric wire conveying means further includes a moving means for moving the conveying hand by being driven by a driving system of the electric wire processing device. Concentrator unit. 5. The concentrating and bundling apparatus according to claim 3, further comprising a transfer hand opening / closing means for opening and closing the transfer hand near a discharge position by being driven by a drive system of the electric wire processing apparatus. A concentrating and binding device comprising: 6. The concentrator according to claim 3, wherein an openable and closable wire insertion slit for inserting a wire into the collection space is provided between the pair of holding hands. The slit is formed by moving integrally with the transfer hand and engaging a member related to the pair of holding hands in a state close to the gathering portion, thereby relatively rotating the pair of holding hands by a predetermined amount. And a slit opening means for opening the opening. 7. The concentrating device according to claim 3, wherein the concentrating portion engages with a predetermined member which moves integrally with the transport hand in a state close to the transport hand. ,
A concentrator having a wire holding and releasing means for releasing the holding of the wire by the transport hand. 8. The tying and binding device according to claim 1, wherein the tying portion elastically separates the bundle of electric wires housed in the tying space in two directions intersecting each other. Further comprising a compression means for compressing the electric wire, wherein each of the two directions is a direction in which each of the compression means can clamp a bundle of electric wires with a corresponding holding hand. Binding unit.