JPH0557352A - Device for cleaning straightening roller in long material straightening machine - Google Patents

Abstract

PURPOSE:To prevent damaging on surface of a long material of a copper tube, etc., and to smoothly and surely straightening treatment of straightening bend of the long material, etc. CONSTITUTION:On a straightening roll 1, a cleaning roller 11 for cleaning surface of the straightening roll 1, is arranged, and on the surface of this cleaning roller 11, plural cylindrical wiping members 11 are fitted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a long material straightening machine for carrying out a straightening process (bending straightening or surface hardening) by sandwiching a long material such as a copper pipe between straightening rollers. The present invention relates to a straightening roller cleaning device that keeps the surface of a roller clean.

[0002]

2. Description of the Related Art Conventionally, as a long material straightening machine of this type,
A plurality of vertical drum-shaped correction rollers are alternately staggered along the conveyance direction of the long material and inclined at a predetermined angle in the conveyance direction of the long material (If the inclination angle of the upper correction roller is α, Is known to have an inclination angle of −α.

[0003]

By the way, in the above-mentioned conventional long material straightening machine, in order to correct the bending of the copper pipe (straight pipe) which has been cut into a predetermined length in advance, the straightening roller between the straightening rollers arranged above and below is corrected. In addition, there was a problem that the copper pipe was scratched when passing through the copper pipe. As a result of investigating this cause,
It was found that foreign matter (such as chips when cutting) attached to the straightening roller scratches the surface of the copper tube.

Further, when oil adheres to the surface of the copper pipe, there is a problem that the copper pipe is slippery on the straightening roller and the straightening process cannot be performed smoothly.

The present invention has been made in view of the above circumstances, and an object thereof is to prevent the surface of a long material such as a copper pipe from being scratched and to correct the bending of the long material. An object of the present invention is to provide a straightening roller cleaning device for a long material straightening machine that can smoothly and reliably perform such straightening processing.

[0006]

In order to achieve the above object, the present invention provides a straightening roller for straightening a long material,
A cleaning roller for cleaning the surface of the straightening roller is provided, and a plurality of cylindrical wiping members are attached to the surface of the cleaning roller.

[0007]

In the straightening roller cleaning device of the long material straightening machine of the present invention, the cleansing roller is pressed against the surface of the straightening roller to remove foreign matter adhering to the surface of the rotating straightening roller. The plurality of tubular wiping members mounted on the surface of the wiping device wipes and stores between the wiping members.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

1 and 2 are a plan view and a front view of a straightening roller cleaning device showing an embodiment of the present invention. In these drawings, reference numeral 1 is a drum-shaped lower straightening roller, and the straightening roller 1 is rotatably supported on both sides by a pair of brackets 2 and has a predetermined angle with respect to the transport direction of the copper pipe. It is inclined. A disc 3 is installed below the straightening roller 1, and a mounting member 4 as shown in FIGS. 3 and 4 is attached to the outer peripheral surface of the disc 3 with bolts 5. .. This mounting member 4
Is an arc-shaped plate 4 that contacts the outer peripheral surface of the disc 3.
a and a plate-shaped plate 4b welded to both ends of the outer periphery of the plate 4a.

A support member 8 is attached to the tip of the plate 4b of the attachment member 4 with a bolt 6 and a nut 7. As shown in FIGS. 5 and 6, the support member 8 has a pair of mounting plates 8b fixed to both ends of one side of the support plate 8a, and a pair of bearing plates at the center of the other side of the support plate 8a. 8c is fixed. The tip of the mounting plate 8b and the plate 4b are connected by bolts 6 and nuts 7. Further, the mounting portion 9a of the spring cylinder 9 is fitted between both the support plates 8c of the support member 8,
The spring cylinder 9 is vertically moved by inserting a fastening member into a pair of vertically long slots formed in the mounting portion 9a and a pair of circular holes respectively formed in the support plates 8c. Is attached to the support member 8 so as to be adjustable.

A rod-shaped portion 10a on the base end side of the support arm 10 is fitted into the inside of the spring cylinder 9 in a penetrating state, and a mounting plate 10b is attached to the tip of the rod-shaped portion 10a.
Is stuck. A pair of arm bodies 10c are welded to both ends of the mounting plate 10b in a state of being connected to each other by a connecting shaft 10d, and the V-shaped cutout portions 10e are formed at the tips of the arm bodies 10c. The hook portion 10f having the is formed. Further, the notch 10e of the hook 10f is engaged with the support shafts 11a protruding from both ends of the barrel-shaped cleaning roller 11, and the flanges 11c on both end surfaces of the cleaning roller 11 are circumferentially or the like. A pair of pins 12 are fitted between the small holes formed at intervals and the small holes formed on the tip side of the arm body 10c,
A cleaning roller 11 is fixed to the tip of the support arm 10. The outer peripheral surface of the cleaning roller 11 is equipped with a cylindrical wiping member (felt material) 11b whose diameters (ten in the figure) gradually increase toward the center. The member 11b is pressed against the correction roller 1 in a close contact state.

A large-diameter portion 10g formed in the rod-shaped portion 10a of the support arm 10 in the spring cylinder 9
A spring 14 for urging the support arm 10 toward the correction roller 1 is mounted between the cover member 13 and the lid member 13 screwed to the base end of the spring cylinder 9.

In the long material straightening machine incorporating the straightening roller cleaning device constructed as described above, when straightening the bending of the copper pipe, the copper is placed between the straightening rollers 1 arranged vertically as in the conventional case. Send the tube and straighten it.

In this case, even if foreign matter (chips, oil during cutting, etc.) adheres to the fed copper pipe, the wiping member 11b of the cleaning roller 11 is attached to each straightening roller 1 by the spring 14. Since the support arm 10 is biased, the foreign matter is wiped off from the surface of the copper tube by the wiping member 11b through the straightening roller 1. Here, among foreign matters, solid matter such as cutting chips at the time of cutting is pushed between the wiping members 11b, so that it does not stay on the surface of each wiping member 11b for a long time, and the surface of the correction roller 1 is scratched. Does not occur. Also,
When the foreign matter is oil, it is easier to remove the oil by removing the oil removing liquid such as acetone into each wiping member 11b.

In this way, the foreign matter attached to the copper pipe is smoothly and quickly removed by the cleaning roller 11 via the straightening roller 1, so that the surface of the copper pipe is prevented from being scratched. In addition, the copper pipe is surely corrected.

Then, the wiping member 1 for the cleaning roller 11
When the portion of the cleaning roller 1b which is in contact with the straightening roller 1 is dirty, one of the small holes formed at equal intervals around the collar portion 11c of both end surfaces of the cleaning roller 11 and the arm body 10c. The pair of pins 12 fitted between the small holes formed on the tip side are pulled out, the cleaning roller 11 is rotated by a predetermined angle, and the cleaning roller 11 has been used up to now. When the pin 12 is fitted between the small hole adjacent to the small hole and the small hole of the arm body 10c, the clean portion of the wiping member 11b comes into contact with the correction roller 1.

In this embodiment, the cleaning roller 1
As a means for fixing 1 to the tip of the support arm 10, small holes are formed at equal intervals in the circumference of the flange portions 11c on both end surfaces of the cleaning roller 11, and the arm body 1 of the support arm 10 is formed.
Although the small holes are formed on the front end side of 0c and the small holes are connected by the pins 12, the invention is not limited to this. A conical small hole is formed in, and facing this small hole,
The arm body 10c of the support arm 10 is provided with a sphere that is urged toward the cleaning roller 11 by a spring, and the sphere is fitted into the small hole to fix the cleaning roller 11 to the tip of the support arm 10. Good. In this case, if the cleaning roller 11 is rotated at a predetermined torque or more, the spherical body comes out of the small hole, so that the contact portion of the cleaning roller 11 with the correction roller 1 can be easily changed. Further, although the lower straightening roller 1 is described in the present embodiment, the upper straightening roller may be provided with a cleaning device having the same configuration as described above.

[0018]

As described above, according to the present invention, a straightening roller for straightening a long material is provided with a cleaning roller for cleaning the surface of the straightening roller, and a plurality of cleaning rollers are provided on the surface of the cleaning roller. Since the cylindrical wiping member is mounted, the cleaning roller is pressed against the surface of the straightening roller, and the foreign matter adhering to the surface of the rotating straightening roller is mounted on the surface of the cleaning roller. By wiping with a plurality of cylindrical wiping members and accommodating between the wiping members, it is possible to prevent the surface of the long material such as the copper pipe from being scratched, and to correct the bending of the long material. The correction process can be performed smoothly and surely.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a plan view showing an example of a mounting member.

FIG. 4 is a front view of FIG.

FIG. 5 is a plan view showing an example of a support member.

FIG. 6 is a front view of FIG.

[Explanation of symbols]

 1 Straightening roller 11 Cleaning roller 11b Wiping member

Claims (1)

[Claims] 1. In a long material straightening machine for performing a straightening process by sandwiching a long material such as a copper pipe between straightening rollers, the straightening roller is provided with a cleaning roller for cleaning the surface of the straightening roller. A straightening roller cleaning device in a long material straightening machine, wherein a plurality of cylindrical wiping members are mounted on the surface of the cleaning roller.