JPH09109085A - Cable entry / exit members - Google Patents

Abstract

(57) Abstract: [PROBLEMS] To provide a cable entry / exit member in which a cable can be easily attached and which is easy to assemble. A pair of semi-cylindrical parts (14, 16) are combined to form a bolt part (12) through which two cables are inserted, and a male screw part (28) is provided on the peripheral surface of the bolt part (12). A flange portion 30 is provided on the peripheral portion of one end of the cable, and a cable inlet / outlet port 4 is provided on one end surface of the bolt portion 12.
An entrance / exit plate 36 having 0 is detachably arranged.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an industrial robot,
The present invention relates to a cable entry / exit member used in a machine in which a cable such as an electric tool or an electric cable is used.

[0002]

2. Description of the Related Art Conventionally, in an industrial robot such as an arm robot, a cable is used to connect a plurality of arm robots. For example, 3 axes (X,
When it is desired to move the robot in the Y and Z directions, an arm robot is provided for each axis and a cable is connected between the arm robots.

When attaching this cable to the body of the arm robot, a commercially available cable bush is used.

[0004]

As described above, in the commercially available cable bush, it is necessary to provide a cable take-out portion and a cable clamp portion for preventing the cable pull-out in the body of the arm robot, so that space is required. However, there is a problem that the assembling property of the arm robot is deteriorated.

In particular, when the number of arm robots used (the number of axes) increases, the number of cables also increases, which further deteriorates the mounting space for the cables and the ease of assembly.

Therefore, in view of the above problems, the present invention provides a cable entry / exit member in which a cable can be easily attached and which is easy to assemble.

[0007]

According to a first aspect of the present invention, there is provided a cable insertion / extraction member in which a pair of semi-cylindrical portions are combined to form a bolt portion through which the cable is inserted, and a male screw portion is formed on a peripheral surface of the bolt portion. A flange portion is provided on a peripheral portion of one end of the bolt portion, and an inlet / outlet plate having an inlet / outlet port for the cable is detachably disposed on one end surface of the bolt portion.

According to a second aspect of the present invention, in the cable inlet / outlet member according to the first aspect, the inlet / outlet plate can be divided, and when the inlet / outlet plate is divided, the inlet / outlet is also divided.

According to a third aspect of the invention, in the first aspect of the invention, the cable protruding / retracting member is provided with a crank projection for arranging the cable in a meandering manner inside the bolt portion.

With the cable entry / exit member having the above structure,
The cable is inserted into the entrance / exit of the entrance / exit plate, and the cable is inserted into a bolt portion formed of a pair of semi-cylindrical portions.

Then, the bolt can be screwed onto the machine to which the cable is to be attached, so that the cable can be attached to the target machine.

According to a second aspect of the present invention, there is provided a cable inlet / outlet member.
Since the entrance / exit plate is separable and the entrance / exit is also divided when the entrance / exit plate is divided, the cable can be easily attached to the entrance / exit.

According to the third aspect of the present invention, there is provided a cable entry / exit member.
Since the crank protrusion is provided inside the bolt, it prevents the cable from coming off.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an exploded perspective view of the loading / unloading member 10 of this embodiment.

Reference numeral 12 is a cylindrical bolt member, which is a combination of semi-cylindrical semi-cylindrical members 14 and 16.

Reference numeral 18 is a partition plate that partitions the central portion of the semi-cylindrical member 14 along the axial direction. A recess 20 is provided on the upper surface of the partition plate 18. Similarly, a partition plate 22 is also provided on the semi-cylindrical member 16, and the partition plate 2
The lower surface of 2 is provided with a protrusion 24 that engages with the recess 20.

Reference numeral 26 is a first crank protrusion provided on the inner peripheral walls of the semi-cylindrical members 14 and 16. Reference numeral 27 is
It is a second crank protrusion provided on the partition plate 18. The cable 38 is arranged in a meandering manner by the first crank protrusion 26 and the second crank protrusion 27.

Reference numeral 28 is a male screw portion provided on the peripheral surfaces of the semi-cylindrical portions 14 and 16. The male screw portion 28 becomes a male screw when the semi-cylindrical portions 14 and 16 are combined to form the bolt portion 12.

Reference numeral 30 is a flange portion provided on one end peripheral portion of each of the semi-cylindrical portions 14 and 16.

Reference numeral 32 is a concave portion provided on the upper surface of the semi-cylindrical portion 14. On the other hand, the recess 32 is also formed in the semi-cylindrical portion 16.
A protrusion 34 that engages with is provided.

Reference numeral 36 denotes an entrance / exit plate of the cable 38, which can be divided into two along the diametrical direction.

Reference numeral 40 denotes two entrances / exits provided on the entrance / exit plate 36. When the entrance / exit plate 36 is divided into two, the entrance / exit 40 is also divided into two.

Reference numeral 42 is a ridge provided along the peripheral surface of the inlet / outlet 36, and can be fitted into a groove 44 provided at the inner peripheral edge of one end of the semi-cylindrical portions 14 and 16.

Reference numeral 46 designates the male screw portion 28 of the bolt portion 12.
It is a nut 46 that is screwed with.

A case in which the two cables 38, 38 are attached to the arm robot 48 by using the entrance / exit portion 10 having the above-described structure will be described.

The arm robot 48 to be attached has
It is assumed that a circular hole 50 is provided.

The two cables 38, 38 are passed through the nut 46 and the hole 50.

The protrusion 42 of the entrance / exit plate 36 is attached to the semi-cylindrical portion 1
4 is inserted into the groove 44, and the semi-cylindrical portion 14 and the inlet / outlet plate 36 are combined. Similarly, the semi-cylindrical portion 16 and the inlet / outlet plate 36 are also combined.

Along the semi-cylindrical portion 14, cables 38,
Insert 38. In this case, as shown in FIG. 3, by inserting the cable 38 along the crank protrusion 26, the cable 38 is made to meander inside the semi-cylindrical portion 14.

In addition, the cables 38, 38 are passed through the entrance 40 with the entrance plate 36 divided.

The semi-cylindrical portion 16 is combined with the semi-cylindrical portion 14 to form the bolt portion 12. The access plate 36 is also integrated.

The male screw portion 28 of the bolt portion 12 is passed through the hole 50 of the arm robot 48.

The nut 46 is screwed into the male screw portion 28. Then, the arm robot 48 is sandwiched between the flange portion 30 and the nut 46, and the loading / unloading portion 10 is fixed.
In this case, the nut 46 may be provided with a washer.

With the above structure, the cables 38, 38 can be easily attached to the arm robot 48. Further, since the crank protrusion 26 is provided, the cables 38, 38 will not come off from the arm robot 48.

Next, with reference to FIGS. 4 and 5, the loading / unloading member 10 of the second embodiment will be described.

The difference between the present embodiment and the entrance / exit member 10 of the first embodiment lies in the size of the entrance / exit 40 of the entrance / exit plate 36. That is, in the first embodiment, the entrance / exit 40 is sized to allow one cable to pass through, and the entrance / exit plate 36 has a size of 2 mm.
The cable of the book was pulled out, but the entrance / exit plate 5 of this embodiment
As shown in FIG. 5, the inlet / outlet 54 of the second inlet / outlet plate 52 has a size such that the cables 38, 38 fit in the vertical direction.
As for the four cables 38, 38, 38, 38 can be pulled out.

Therefore, as shown in FIG. 5, two cables 38, 38 can be drawn out to the arm robot 48 having two axes.

In the drawing of FIG. 5, the bolt portion 1
The nut 46 for fixing 2 is omitted.

In this way, the access plate 36 or the access plate 52
You can easily replace the two cables 38, 38 by replacing
Or pull out four cables 38, 38, 38, 38
Can be withdrawn.

Although the bolt portion 12 is fixed by the nut 46 in the above embodiment, the bolt portion 12 may be screwed directly to the arm robot 48. In this case, the arm robot 48 may be provided with a female screw portion.

Further, in the above embodiment, the case of using for the arm robot has been described, but the present invention is not limited to this, and it may be used for an electric tool or other machines.

[0043]

As described above, with the cable entry / exit member of the present invention, the cable can be easily attached to the target device while assembling the entry / exit member.

Also, the number of cables to be pulled out can be easily changed by exchanging the inlet / outlet plate.

Further, the provision of the crank projection prevents the cable from being pulled out.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a loading / unloading member showing a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the loading / unloading member of the first embodiment is used.

FIG. 3 is a cross-sectional view of the loading / unloading member according to the first embodiment.

FIG. 4 is an exploded perspective view of a loading / unloading member according to a second embodiment.

FIG. 5 is a perspective view showing a usage state of the loading / unloading member of the second embodiment.

[Explanation of symbols]

 10 entry / exit member 12 bolt part 14 semi-cylindrical part 16 semi-cylindrical part 18 partition plate 22 partition plate 26 crank projection 28 male screw part 30 flange part 36 entrance / exit plate 38 cable 40 entrance / exit

Claims (3)

[Claims] 1. A pair of semi-cylindrical portions are combined to form a bolt portion through which a cable is inserted, a male screw portion is provided on a peripheral surface of the bolt portion, and a peripheral portion of one end of the bolt portion is A cable inlet / outlet member, wherein a flange portion is provided, and an inlet / outlet plate having an inlet / outlet port for the cable is detachably disposed on one end surface of the bolt portion. 2. The cable entry / exit member according to claim 1, wherein the entry / exit plate is dividable, and the entry / exit port is also divided when the entry / exit plate is divided. 3. The cable entry / exit member according to claim 1, wherein a crank projection for arranging the cable in a meandering manner is provided inside the bolt portion.