JP3265403B2 - Wiring identification tube positioning header - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring identification tube used for temporarily holding and accurately positioning a wiring identification tube when the wiring identification tube is automatically mounted on electric wiring of an electric control device or the like. It relates to a positioning header.

[0002]

2. Description of the Related Art Electrical wiring used for electrical control devices and the like is as follows.
2. Description of the Related Art It is widely practiced to attach a short double-sided tube (hereinafter referred to as a wiring identification tube) on which identification codes are printed to both ends to identify the tubes.

[0003] The wiring identification tube used in such applications is made of soft vinyl chloride or the like, and can be slidably inserted into the outer diameter of the electric wiring including the insulating coating. Those having a diameter that does not move carelessly are used.

[0004] Usually, the wiring identification tube is attached to the electric wiring manually, but in order to automate this, a positioning header for holding and positioning the wiring identification tube without deforming it. Has also been proposed.

In this apparatus, a gripping hole corresponding to the outer diameter of the wiring identification tube is formed at the center, and a pair of block bodies which can be opened and closed in a split state is opened. The block body is opened and the wiring identification tube is inserted into the gripping hole. Receiving, closing the block body and positioning the received wiring identification tube,
After the electric wires are inserted through the positioned wire identification tube, the block body is opened again and discharged. The inner diameter of the gripping hole is set slightly larger than the outer diameter of the wiring identification tube so as not to deform the wiring identification tube, and a plurality of wiring identification tubes in the gripping hole are opened radially with respect to the gripping hole. It can be fixed by applying a negative pressure from the outside through the suction nozzle.

[0006]

According to such a conventional technique, the insertion and removal of the wiring identification tube from the holding hole is performed by opening and closing a pair of block bodies.
The opening operation time and the closing operation time of the block body are required for each repetitive operation cycle, and there is a problem that the entire operation cannot be speeded up. In addition, since the diameter of the matching wire identification tube is fixed to the size of the grip hole, when handling a wire identification tube of a different standard,
There was also a problem that the block body had to be replaced and the setup work was complicated.

Accordingly, an object of the present invention is to form a V-shaped groove in a block main body and maintain the inside of the V-shaped groove at a negative pressure, thereby positioning the wiring identification tube with high precision without deforming it, and inserting and removing the tube. An object of the present invention is to provide a header for positioning a wiring identification tube, which requires a very short time and is capable of coping with a wide range of wiring identification tubes of different standards.

[0008]

In order to achieve the above object, the present invention comprises a block main body, a connection port for connecting a negative pressure pipe, a V-shaped groove for holding a wiring identification tube, and a V-shaped groove. The gist of the present invention is to form a nozzle hole that opens to the valley portion and communicates with the connection port.

[0009] A plurality of nozzle holes can be provided along the V-shaped groove, and can be formed in a slit shape along the V-shaped groove. Furthermore, a small groove having a U-shaped cross section is formed in the valley of the V-shaped groove, the small groove makes uniform the negative pressure applied to the wiring identification tube, and the nozzle hole can be opened in the small groove.

[0010]

According to the structure of the present invention, the block body can be connected to the negative pressure pipe through the connection port. At this time, since the nozzle hole is opened at the valley of the V-shaped groove, The block main body can suck the wiring identification tube through the V-shaped groove. The sucked wire identification tube can be reliably positioned by line contact with the slope forming the V-shaped groove, and since the V-shaped groove is expanded only on one side, the wire identification tube is Regardless of the size, it is possible to stably adsorb and position. The sucked wire identification tube can be easily released by removing the negative pressure.

When a plurality of nozzle holes are formed in the V-shaped groove, a negative pressure can be applied to a plurality of locations in the longitudinal direction of the wiring identification tube, so that the block body holds the wiring identification tube more stably. can do.

Further, if the nozzle hole is formed in a slit shape, the wiring identification tube can be more stably sucked by the single nozzle hole.

If a small groove is provided in the valley of the V-shaped groove, the small groove is
The negative pressure applied to the wiring identification tube can be made uniform, and the partial deformation of the suctioned wiring identification tube can be further reduced.

[0014]

Embodiments will be described below with reference to the drawings.

The positioning header of the wiring identification tube is
A V-shaped groove 15 is formed in the block body 10 (FIG. 1,
(Fig. 2).

The block body 10 is formed by forming a V-shaped groove 15 at the center of the lower surface of a rectangular parallelepiped and forming a connection port 12 for connecting a negative pressure pipe at the center of the upper surface. Further, the block body 10 is provided with a mounting flange 11, and the flange 11 is provided with a pair of mounting long holes 11h, 11h.

The V-shaped groove 15 is made up of slopes 15s, 15s which intersect at a 90 ° angle, so that both ends are cut off at the valley of the V-shaped groove 15 and an intermediate portion is cut off. , An elongated small groove 14 having a U-shaped cross section is formed.

The connection port 12 is formed on the opposite side of the V-shaped groove 15 (FIGS. 2 and 3). The connection port 12 and the V-shaped groove 15 are connected to the nozzle hole 13 opening at the bottom of the small groove 14.
13... The connection port 12
Is formed with a tapered screw 12s.

Such a positioning header can be used, for example, by attaching it to a positioning device VH (FIG. 4).

The positioning device VH is composed of a combination of a vertical movement mechanism V and a horizontal movement mechanism H, and the block main body 10 is disposed at the front end of the horizontal movement mechanism H with the V-shaped groove 15 facing downward via the flange 11. Fixed. Therefore, the block main body 10 can take any position within the movement range of the positioning device VH.

On the other hand, a negative pressure pipe FH is connected to the block body 10 via a connection port 12. The negative pressure pipe FH is a flexible pressure-resistant hose that can follow the movement of the block body 10, and the other end is connected to an ejector device EJ for generating negative pressure. The ejector device E
J can discharge air from the compressor P in the direction of arrow K1 in FIG. 4 to generate a negative pressure on the negative pressure pipe FH side.

Here, with reference to the axis Po of the wiring identification tube NT to be attracted to the block body 10 (FIG. 5),
The positioning device VH moves the receiving position P1 of the wiring identification tube NT and the insertion position P of the electrical wiring with respect to the block body 10.
2. The release position P3 can be set (FIG. 4). However, it is assumed that the wire identification tube NT is continuously supplied to the receiving position P1 via the conveyor V1, and the released wire identification tube NT is carried out to the next step via the discharge conveyor V2. And

The positioning device VH first moves the block main body 10 to the receiving position P 1, and causes the block main body 10 to suck the wire identification tube NT through the V-shaped groove 15. At this time, the nozzle holes 13, 13... Generate a uniform negative pressure along the longitudinal direction of the wiring identification tube NT via the small groove 14, so that the V-shaped groove 15 correctly straightens the wiring identification tube NT. (FIG. 3). The sucked wire identification tube NT is positioned in line contact with the slopes 15s, 15s on both sides (FIG. 5), so that its axis Po is unique within the V-shaped groove 15 due to the diameter of the wire identification tube NT. Positioning can be achieved. Therefore, the positioning device VH is provided with the block body 10.
By moving the wire identification tube NT to the insertion position P2 via the cable (FIG. 4), the axis Po of the wire identification tube NT can be made to exactly coincide with the insertion position P2. Automatic insertion into NT is ensured. However, it is assumed that the electric wiring is automatically supplied to the insertion position P2 by a supply device (not shown).

Next, the wire identification tube NT is carried to the release position P3 together with the inserted electric wires, and is discharged onto the discharge conveyor V2. The wiring identification tube NT
In general, only the supply of air to the ejector device EJ needs to be stopped, but at this time, a weak positive pressure may be supplied to the negative pressure pipe FH via a pipe (not shown).
Thereafter, the positioning device VH returns the block body 10 to the receiving position P1, and the same process can be repeated at a high speed.

[0025]

[Other Embodiments] The nozzle holes 13 can be formed in the shape of a widening slit (FIG. 6). The nozzle hole 13 is a single slit-shaped hole formed along the valley of the V-shaped groove 15 from the bottom of the connection port 12 (FIG. 1A).
4 open to the valley of the V-shaped groove 15. V-shaped groove 1
Since a uniform negative pressure can be applied to a wide range of 5, the wire identification tube NT can be more stably adsorbed.

When the nozzle hole 13 is formed in a slit shape, a partition wall 13a may be left at the center (FIG. 2B). The partition wall 13a prevents an extreme difference in negative pressure between the central portion of the V-shaped groove 15 and the left and right ends even if the opening angle of the nozzle hole 13 is large. Also, here
The small groove 14 is omitted.

In the above description, the block body 10
Can be formed from a metal block or any engineering plastics or the like. It is also possible to arrange two or more V-shaped grooves 15 in a single block body 10. Further, the small groove 14 is provided in FIG.
In each embodiment other than (B), it may be omitted.

[0028]

As described above, according to the present invention, a V-shaped groove and a connection port for connecting a negative pressure pipe are formed in a block body, and the two are communicated via a nozzle hole. The V-shaped groove can adsorb the wire identification tube and can be positioned with high precision, and can shorten the time required for sucking and releasing the wire identification tube to shorten the entire operation easily. In addition, there is an excellent effect that a wide range of wiring identification tubes of different sizes can be accommodated without replacing the block body.

[Brief description of the drawings]

FIG. 1 is an overall perspective view.

FIG. 2 is a sectional view taken along line XX of FIG. 1;

FIG. 3 is an explanatory sectional view taken along line YY of FIG. 1;

FIG. 4 is an illustration of a use state.

FIG. 5 is an explanatory diagram of an operation.

FIG. 6 is an explanatory view corresponding to FIG. 3, showing another embodiment.

[Explanation of symbols]

 NT ... wiring identification tube 10 ... block body 12 ... connection port 13 ... nozzle hole 14 ... small groove 15 ... V-shaped groove

Claims (4)

(57) [Claims] 1. A connection port for connecting a negative pressure pipe to a block body, a V-shaped groove for holding a wiring identification tube, a nozzle hole opening at a valley of the V-shaped groove and communicating with the connection port. A header for positioning a wire identification tube formed by forming 2. The positioning header for a wiring identification tube according to claim 1, wherein a plurality of the nozzle holes are arranged in parallel along the V-shaped groove. 3. The positioning header according to claim 1, wherein the nozzle hole is formed in a slit shape along the V-shaped groove. 4. A small groove having a U-shaped cross section is formed in a valley of the V-shaped groove, the small groove makes uniform a negative pressure applied to a wiring identification tube, and the nozzle hole is opened in the small groove. The positioning header of the wiring identification tube according to any one of claims 1 to 3, characterized in that: