JP2001346629A - Roll brush - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate replacement of a coil brush extrapolated on a roll by surely braking the coil brush with a braking flange. SOLUTION: With the roll brush 15 consisting of a coil brush 11 formed by tightly winding a channel brush 7 in spiral and extrapolated onto a roll 13, a locking part 14a equipped with a braking flange 14 facing the outside face of the coil brush is provided for braking the coil brush 11 by engaging the braking flange 14 with channel end faces 11a, 11b of the winding end of the channel brush forming the coil brush 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a roll brush formed by extrapolating a coil brush formed by spirally winding a channel brush around a roll.

[0002]

2. Description of the Related Art Conventionally, in a roll brush of this type, a channel at a winding end of a spirally wound channel brush is welded to a roll to form an integrally rotating structure.

Therefore, when replacing the channel brush, the brush using company (for example, an iron making company) returns the roll brush with the wound channel brush wound to the brush manufacturing company and removes the welding to remove the channel brush. It had to be removed, and a new channel brush had to be spirally wound and welded, which required a great deal of labor and labor to rewind the channel brush and to carry in and out the roll brush.

[0004] In addition, there is a problem that the roll is damaged when the weld is removed.

[0005]

SUMMARY OF THE INVENTION The present invention provides a roll brush which solves the above problems. This roll brush is provided with a braking flange opposed to the outer surface of the coil brush while adopting a configuration in which the channel brush is formed by winding the channel brush in close contact spiral form, and the coil brush is extrapolated to the roll. The coil brush is braked by engaging a channel end face of a winding end of the channel brush forming the coil brush.

[0006] The braking flange may be detachably fixed to a roll or a shaft portion of the roll with bolts or the like,
As another example, the fixing flange is provided outside the braking flange so as to be movably extrapolated in the axial direction along the roll peripheral surface, and a plurality of tightening bolts are provided on the fixing flange to tighten the outer surface of the braking flange in the axial direction. Then, the engagement is ensured while pressing the outer surface of the coil brush by the braking flange.

[0007] The coil brush is formed by one or more unit coil brushes, and each unit coil brush abuts and engages with the channel end faces at adjacent channel brush winding ends to form the coil brush.

[0008]

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

[0009] As shown in FIG.
a and the V-shaped base of the two-fold brush material 3 inserted in the groove 2 formed by the left and right side plates 1b and 1c.
The right and left claw pieces 5, 6 projecting from the upper edge of one of the left and right side plates 1b, 1c and the upper edge of the other side plate are bent into the groove 2, respectively. The channel brush 7 is pressed and held by the left and right side plates 1b and 1c on the left and right outer surfaces of the bent base of the brush material 3 while being bent into the V-shaped core material 4 to prevent the core material 4 from escaping.
To form

Alternatively, a channel brush 7 is formed by implanting the two-folded brush material together with the core wire into the channel 1. These channel brushes 7 are all known.

A continuous portion of the bottom plate 1a and the left and right side plates 1b and 1c in the channel 1 is folded downward to form a stand 8 in which the folded pieces overlap each other and extend in parallel in the longitudinal direction of the channel 1.

Then, as shown in FIG. 2, the channel brush 7 is spirally wound in close contact to form a coil brush 11. The coil brush 11 stops welding between the stands 8 adjacent to the channel brush 7 tightly wound, and holds the tight spiral winding of the channel brush 7. Numeral 12 indicates this weld.

As shown in FIGS. 3 to 7, the coil brush 11 is extrapolated to a roll 13 to form a roll brush 15.

In the above-mentioned roll brush 15, a braking flange 14 is provided opposite one end or both outer surfaces of the coil brush 11, and a channel brush 1 forming the coil brush 11 is formed on the inner surface of the braking flange 14 in the axial direction. Engaging portions 14a which engage with the channel end surfaces 11a and 11b of the left and right winding ends to brake the coil brush 11
Is provided.

A single coil brush 1 is provided on the roll 13.
8, or a plurality of unit coil brushes 11 'are extrapolated to the roll 13 as shown in FIG. 8, and each unit coil brush 11' is a channel end face 11a, 11b at the winding end of the adjacent channel brush 7. The channel end faces 11a and 11b are engaged with the locking portions 14a of the braking flange 14 arranged on the outer surface of the end unit coil brush 11 'while butt-fitting each other.

The braking flange 14 cuts a part of a metal ring as shown in FIG. 3 or 4, shifts the cut surfaces of the rings in the axial direction, and welds the free ends to each other at the cut portion. A step is formed on the inner surface, and the step is used as the locking portion 14a. Reference numeral 19 denotes this weld.

As shown in FIGS. 6 and 7, as another example of the braking flange 14, the braking flange 14 is formed by a solid ring, and is opposed to the inner surface of the solid ring in the axial direction, ie, the coil brush 11. Forming a protrusion on the side
The protruding portion is a locking portion 14a that replaces the step.

As shown in FIG. 3 or FIG. 5, one or both of the braking flanges 14 are extrapolated to the roll 13 so as to be movable in the axial direction of the roll 13, and the outside of the braking flange 14 in the axial direction. And a plurality of tightening bolts 1 for axially tightening the outer side surface of the braking flange 14 in the axial direction on the fixing flange 16.
7 is arranged. That is, a plurality of female screw holes 9a penetrating the outer surface and the inner surface of the fixing flange 16 are arranged at intervals around the same side surface, and a tightening bolt 17 is inserted and screwed from the outer surface side of the female screw hole 9a, and screwed. While pressing, the shaft tip of the bolt is pressed against the outer side surface of the braking flange 14 and tightened. Therefore, the outer side surface of the channel 1 at the end of the coil brush 11 which comes into contact with the braking flange 14 is tightened.

As shown in FIG. 3 or FIG. 5, the fixed flange 16 is externally inserted into a shaft portion 20 extending to both ends of the roll with its center hole, and the inner surface of the fixed flange 16 is outside the roll 13 having a larger diameter than the shaft portion 20. Contact the side. And the fixed flange 16
Mounting holes 9b penetrating through the outer surface and the inner surface thereof are arranged at intervals around the same side surface, and mounting bolts 18 are inserted through the outer surface of the mounting hole 9b in the axial direction, so that the axial line of the roll 13 is formed. The fixing flange 16 is screwed into a female screw hole (mounting hole) 9c provided on the outer surface in the direction, and the fixing flange 16 is brought into contact with the outer surface of the roll 13 to be mounted and fixed by a plurality of mounting bolts 18.

As a result, the engagement between the braking flange 14 and the coil brush 11 is maintained, and the coil brush 1
1 is applied, and the roll 13 is rotated integrally. Therefore, the independent rotation of the coil brush 11 is prevented by the engagement between the locking portion 14a and the channel end surface 11a and / or 11b.

As another example of the fixing and fixing of the fixing flange 16, as shown in FIG.
Is inserted into the shaft portion 20 in the same manner as described above and abuts against the outer surface of the roll 13, and a female screw hole (mounting hole) 9 b penetrating from the outer peripheral surface to the inner peripheral surface of the fixed flange 16 is provided on the same peripheral surface at intervals. The shaft end of the bolt is inserted into the groove 20a provided on the outer peripheral surface of the shaft portion 20 while the mounting bolt 18 is inserted and screwed from the outer peripheral surface side of the female screw hole (mounting hole) 9b. And fix the fixed flange 16 to the roll 1
3 and fix it. Of course, the mounting bolt 18 can be screwed into a female screw hole provided in the shaft portion 20 and tightened.

In any of the above examples, the mounting bolt 1
By loosening 8, the fixing flange 16 and the braking flange 14 can be removed, and the coil brush 11 can be removed.

As one embodiment, as described above, the roll 1
In addition to the structure shown in FIG. 4A, both of the braking flanges 14 disposed at both ends of 3 are movably inserted in the axial direction with respect to the roll 13 through the center holes thereof, and are tightened by the bolts 17 provided on the fixing flange 16. Coil brush 11
In addition to adopting a configuration in which the outer surfaces of the channels at both ends are fastened by the movable braking flange 14, one of the braking flanges 14 employs a movable fastening structure shown in FIG. 4A, and the other is fixed to the braking flange 14 as shown in FIG. 4B. The flange 16 and the flange 16 are integrally formed by welding or the like, and the fixed flange 16 is attached and fixed to the roll 13 or the shaft portion 20 using the plurality of mounting bolts 18, so that the braking flange 14 is attached to the roll 13 or the shaft portion 20. Fix it.

That is, the brake flange 14 at one end of the roll 13 is fixed at a fixed position with respect to the roll 13, and the brake flange 14 at the other end of the roll 13 is movable in the axial direction with respect to the roll 13.
A structure is adopted in which the outer surface of the channel is tightened from one end side of the coil brush 11 by the bolt 17 and pressed against the fixed braking flange 14.

In any of the above examples, the fixing flange 16
However, as an embodiment of the present invention, as shown in FIG. 7, without providing the one or the other fixing flanges 16, the one or both of the braking flanges 14 is attached to the roll 13 by a mounting bolt. Alternatively, it can be attached to the shaft portion 20 and fixed to the roll 13 so that the channel end surface 11a and / or 11b and the engaging portion 14a can be engaged. In other words, the fixed flange 1
6 is provided with a protruding portion and has the same configuration as the above-described engagement. In this case, the fixed flange 16 becomes the braking flange 14.

The braking flange 1 of the present invention shown in FIG.
4 and the fixing flange 16 are provided only on one end of the roll 13, and only the fixing flange 16 is provided on the other end of the roll 13, and the coil brush 11 is pressed against the fixing flange 16 to rotate integrally. Can be.

Further, the fixing flange 1 shown in FIG. 4B of the present invention.
A structure for braking the coil brush 11 with the braking flange 14 integrated with the roller 6 may be implemented at both ends of the roll 13.

[0028]

According to the present invention, the coil brush extrapolated to the roll can be accurately braked by the braking flange, and the engagement state can be maintained while the coil brush is tightened by using the fixing flange and the tightening bolt together. Can be secured.

When replacing a damaged channel brush, the brushing company can perform the replacement work simply by delivering a coil brush composed of a new channel brush to the brush-using company, and use a heavy-weight roll brush. The labor and effort of unloading from the company and additionally loading can be saved.

In addition, the labor and effort for removing the channel brush welded to the roll as in the prior art can be saved, the roll can be prevented from being damaged, and the above-mentioned channel brush can be easily replaced as a whole.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cross section of an example of a channel brush in a roll brush.

FIG. 2 is a sectional view showing a coil brush formed by the channel brush.

FIG. 3 is an exploded perspective view showing a braking flange and a fixed flange with respect to a roll.

4A is a cross-sectional view showing a state in which the braking flange shown in FIG. 3 is movably provided with respect to the roll and is assembled so that it can be tightened with a bolt provided on the fixing flange. FIG. Sectional view showing the assembled state.

FIG. 5 is a cross-sectional view showing another example of the roll brush, showing a state in which a braking flange is movably provided with respect to the roll, and the braking flange is assembled so as to be able to be tightened by a bolt provided on a fixed flange.

FIG. 6 is a cross-sectional view showing still another example of the roll brush, showing a state in which a braking flange is movably provided with respect to the roll and is assembled so as to be able to be tightened by a bolt provided on a fixed flange.

FIG. 7 is a side view showing still another example of the roll brush having no fixed flange.

FIG. 8 is a side view showing an example in which the coil brush in the roll brush is formed by a plurality of unit coil brushes.

[Explanation of symbols]

 Reference Signs List 1 channel 1a bottom plate 1b, 1c left and right plate 2 groove 3 brush material 4 V-shaped core material 5, 6 right and left nail pieces 7 channel brush 8 stand 9a, 9c female screw hole 9b mounting hole 11 coil brush 11 'unit coil brush 11a, 11b channel End face 12 Welded part 13 Roll 14 Braking flange 14a Locking part 15 Roll brush 16 Fixed flange 17 Tightening bolt 18 Mounting bolt 19 Welded part 20 Shaft part 20a Groove

Claims (4)

[Claims] 1. A roll brush comprising a coil brush formed by tightly spirally winding a channel brush formed by holding a base of a brush material in a channel, and externally inserting the coil brush into a roll. A roll which is provided with a braking flange which faces the end face of the winding end of the channel brush forming the coil brush on the braking flange so as to brake the coil brush. brush. 2. A roll brush in which a channel brush formed by holding a base portion of a brush material in a channel is closely spirally wound to form a coil brush, and the coil brush is externally inserted into a roll. A braking portion that engages with a channel end surface of a winding end of a channel brush forming the coil brush on the braking flange so as to brake the coil brush. The fixing flange is provided outside the braking flange so as to be movable in the axial direction along the surface, and a plurality of tightening bolts are provided on the fixing flange to tighten the outer surface of the braking flange in the axial direction. Roll brush to do. 3. The roll brush according to claim 1, wherein said braking flange is fixed to a roll end or a shaft portion extending from the roll end with a bolt. 4. The roll according to claim 1, wherein the coil brush comprises a plurality of unit coil brushes, and each unit coil brush abuts and engages the end faces of the adjacent channel brush ends. brush.