JPH07185478A - Bolt cleaning device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a bolt cleaning device configured so that the screw thread groove portion can be reliably cleaned and the cleaning means has an appropriate life. In a bolt cleaning device for cleaning a screw portion while rotating a bolt by a driving means, a cleaning portion main body provided with a wire member which is arranged in a direction substantially along a screw groove of the bolt and fitted into the screw groove is provided. Then, the bolt or the cleaning unit main body is made movable in the bolt axial direction so that the wire is moved in the bolt axial direction according to the lead angle of the bolt.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bolt cleaning device, and more particularly to a bolt cleaning device for cleaning a screw portion while a bolt is rotated by a driving device.

[0002]

2. Description of the Related Art Conventionally, a device for cleaning the surface of a bolt has been known. This type of device is generally shown in FIG.
As in (2), the bolt 1 is rotated by the drive roller 2, the cleaning brush 3 is kept in rotary contact with the upper portion of the rotatably held bolt 1, and the brush 3 is moved in the bolt axial direction. Meanwhile, the screw portion 4 is configured to be cleaned.

[0003]

However, in such a structure, as shown in FIG. 3 (3), the bristle tips of the brush 3 are deformed by the thread crests, and the inside of the thread groove 5 is deformed. Had the drawback of being difficult to clean. Therefore, the cleaning of the bolt 1 is incomplete, and the bristle tips of the brush 3 are heavily worn, resulting in a problem that the life of the cleaning device is short.

An object of the present invention is to use a brush,
A bolt cleaning device configured to eliminate the drawback of the conventional technique that the tip of the hair is deformed by the screw top part and the inside of the screw groove cannot be cleaned, and the screw groove part can be reliably cleaned and the cleaning means has an appropriate life. To provide.

[0005]

In order to achieve the above object, a bolt cleaning device according to the present invention is a bolt cleaning device for cleaning a threaded portion while rotating the bolt by a driving means. A cleaning unit main body is provided which is provided in a direction substantially along with the wire rod and is fitted in the thread groove, and the bolt or the cleaning unit main body is movable in the bolt axial direction.

[0006]

According to the above structure, the main body of the cleaning unit has the wire member which fits into the thread groove, and the wire member is pressed by the spring or the like, and the wire member cleans the thread groove along the screw lead angle by rotating the bolt. Make up. The bolt or the cleaning unit main body is allowed to move freely in the axial direction of the bolt, whereby the entire screw portion is cleaned by the rotation of the bolt. In this case, if the wire rod is endlessly hung around a pulley or the like and is driven to rotate, the wire rod also slides in the screw groove, so that the cleaning effect is high.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the bolt cleaning device according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is an explanatory view of a usage state of the bolt cleaning device according to the embodiment. As shown, this cleaning device
It is composed of a drive means 12 for rotating the bolt 10, and a cleaning portion main body 18 for cleaning the thread groove 16 with the screw portion 14 of the bolt 10.

First, the drive means 12 is the bolt 1 to be cleaned.
A pair of rollers 20, 20 having a diameter smaller than 0
And one or both of the rollers 20 are rotationally driven by a motor or the like. The pair of rollers 20 are arranged parallel to the axial direction of the bolt 10, and are in contact with the upper surface of the roller 20 so that the bolt 10 can be placed on the upper surface thereof. 10 is rotatable about its axis. In the embodiment, the bolt 10
Are provided at both ends of the screw portion 14, and the shaft portion 22 at the central portion is brought into contact with the roller 20 to rotate the roller 20.

The cleaning unit main body 18 includes a drive roller 20.
Located on the upper surface side of the bolt 10 placed on the
Are arranged face to face. First, a pair of travel guide rails 26 are provided on the fixing member 24 above the bolt 10 along the axial direction of the bolt 10. A moving roller 28 capable of rolling in each rail 26 is provided, and a pulley casing 32 having a pair of pulleys 30 attached thereto is suspended from each moving roller 28. The casing 32 supports a pair of pulleys 30 whose plane of rotation is the bolt 10
The cleaning wire 34 is wound around the pair of pulleys 30. A drive motor 36 is attached to one of the pulleys 30 to form a drive pulley, which allows the wire rod 34 to move around between the pulleys 30. The lower half of each pulley 30 is exposed from the casing 32 to the bolt 10 side, and the lower movement path of the wire rod 34 that circulates between them is the bolt 10 side.
2 is set so as to be along the tangential direction on the upper surface of the screw part 14 and at the same time, as shown in FIG. Has been done. In this case, the wire rod 34 having a thickness reaching the bottom of the thread groove 16 is selected, but this is not necessarily the case in the case of a wire rod that is expandable and contractible or fluffed.

Incidentally, the mounting direction of the casing 32 or the pulley 30 can be set so that the direction of the lower moving path of the cleaning wire 34 is along the direction of the lead angle of the screw portion 14. Alternatively, the pulley 30 can be freely swung around the suspension axis at a constant angle. Also,
As shown in FIG.
As shown in (2), the casing 32 is arranged so that it can be moved up and down by the suspended portion from the moving roller 28, and the casing 32 is attached to the spring 3.
The wire rod 30 is pressed downward toward the bolt 10, and the wire rod 30 is pressed toward the thread groove 16.

According to this structure, the bolt 10 to be cleaned is installed on the bolt driving means 12. At this time, since the bolt 10 has various sizes, the bolt driving means 12
The roller 20 is provided with a mechanism in which one of the rollers 20 can move to the left and right and both rollers 20 can move up and down at the same time so that various bolt sizes can be accommodated.

The bolt 10 is rotated by the bolt driving means 12. At this time, on the screw portion 14, the wire rod driving motor 3
6. The wire rod 34 is rotated by the pulley 30. Then, when the bolt 10 rotates while the wire rod 34 is pressed against the thread groove 16 by the spring 38 between the casing 32 and the pulley 30, the wire rod 33 is caused by the lead angle (pitch) of the screw portion 14 of the bolt 10. , Drive motor 36, pulley 20, casing 32, spring 38
The cleaning unit main body 18 composed of
Moves the guide rail 26 in the axial direction of the bolt 10. Therefore, since the wire rod 34 moves along the lead angle, cleaning of the thread groove 16 is effective.

In the above embodiment, the cleaning of only the inside of the screw groove has been described. However, the entire surface of the bolt may be cleaned by combining the present invention with the prior art.

[0015]

As described above, according to the present invention, in the bolt cleaning device for cleaning the screw portion while rotating the bolt by the driving means, the bolt cleaning device is arranged in a direction substantially along the screw groove of the bolt and fitted into the screw groove. Provide a cleaning unit body with a wire rod to
Since the bolt or the cleaning unit main body is configured to be movable in the bolt axial direction, cleaning of the screw portion of the bolt is efficiently performed, cleaning failure does not occur, and deterioration and wear of the cleaning device are small, and cleaning is performed. The bolts are effective in preventing biting and seizing during reuse.

[Brief description of drawings]

FIG. 1 is a side view and a front view showing a configuration of a bolt cleaning device according to an embodiment.

FIG. 2 is an explanatory diagram in which a relationship between a wire rod and a screw groove and a main part of a cleaning unit main body by the device are enlarged.

FIG. 3 is a side view, a front view, and an explanatory view of a cleaning state of a conventional bolt cleaning device.

[Explanation of symbols]

 10 bolts 12 driving means 14 screw part 16 screw groove 18 cleaning part body 20 bolt rotating roller 22 bolt shaft part 24 fixing member 26 traveling guide rail 28 moving roller 30 pulley 32 casing 34 cleaning wire rod 36 drive motor 38 spring

Claims (1)

[Claims] 1. A bolt cleaning device for cleaning a screw portion while rotating a bolt by a driving means, wherein a cleaning portion main body provided with a wire member which is arranged in a direction substantially along a screw groove of the bolt and fitted into the screw groove is provided. A bolt cleaning device, wherein the bolt or the cleaning unit main body is movable in the bolt axial direction.