JP5477935B2 - Processing brush - Google Patents

Description

  The present invention relates to a processing brush for performing various processes such as grinding, polishing, surface treatment, cleaning, and deburring of a surface to be processed.

As a conventional processing brush, there is a brush composed of a disk portion provided with a large number of flocking holes on the bottom surface and flexible hair planted in each flocking hole (Patent Document 1).
Further, as a similar processing brush, a disk portion provided with a screw insertion hole penetrating the center portion, a brush having a large number of hairs provided on the lower surface side of the disk portion, and a female screw portion on the lower surface side of the center portion And a male screw member that removably couples the brush and the brush support by being inserted into the screw insertion hole of the brush and screwed into the female thread portion of the brush support. There is a brush unit (Patent Document 2).
Furthermore, it is composed of a pedestal and a channel brush, and a groove is formed in the pedestal. The channel brush is composed of a core wire, a brush piece, and a belt-like body, and the channel brush is detachable from the groove of the pedestal. There is a processing brush attached (Patent Document 3).

JP 2004-237383 A JP 2004-275631 A Japanese Patent Laid-Open No. 2005-7120

  The processing brushes in Patent Documents 1, 2, and 3 are used by rotating the central axis so that they are in contact with the surface to be processed. Since the brush hair is worn by use, the brush is frequently removed from the base. It is necessary to replace it with a new brush. If the position of fixing to the brush pedestal is shifted during the brush replacement, the runout easily occurs when the brush rotates.

  An object of this invention is to provide the processing brush which can prevent generation | occurrence | production of runout at the time of rotation of a brush even if it replaces | exchanges a brush frequently in view of the said point.

The invention of claim 1 is a processing brush for performing various types of processing such as grinding, polishing, surface treatment, cleaning, deburring, etc. of the surface to be processed, the processing brush sandwiching at least the strips of the bristle. A brush unit formed by concentrically connecting brush pieces each having a channel brush formed in a ring shape; a fixed surface for fixing the brush unit; and a rotating shaft extending in a direction perpendicular to the fixed surface. A base unit, and a fixing member that can be fixed so that a center axis of the brush unit is aligned with the center of the rotation axis of the base unit, the fixing member including a tapered slope, a pressing surface, wherein the inclined surface of the side of the strip is the tapered slope and the inclination angle of the fixing member coincide, the brush unit is the base top surface of the strip is brought into contact with the pressing surface of the fixing member Unit Having the characteristics being the detachably fixed to the fixing surface Tei Rukoto.

  The invention of claim 2 is a processing brush for performing various types of processing such as grinding, polishing, surface treatment, cleaning, deburring and the like of the processing surface, and the processing brush has a channel brush formed in a ring shape. A brush unit having a fixing plate for connecting brush pieces concentrically and fixing a bottom portion of the concentric channel brush, a fixing surface for fixing the brush unit, and a rotating shaft extending in a direction perpendicular to the fixing surface The fixing plate includes a positioning hole in which a tapered inclined surface is formed, and the rotating shaft has a tapered shape whose angle coincides with the tapered inclined surface of the positioning hole. A slope is formed, the taper-like slope of the rotating shaft abuts the taper-like slope of the positioning hole, and the brush unit is detachably fixed to the base unit. That.

In the first aspect of the invention, the fixing member can be fixed so that the center axis of the brush unit is aligned with the center of the rotation axis of the base unit, so that the occurrence of runout during the rotation of the brush can be prevented. it can. In addition, since the brush unit can be attached to and detached from the base unit by the fixing member, the brush unit can be replaced when the brush is worn. Can do. In addition, since the brush unit is fixed to the fixed surface of the base unit by fixing the band of the channel brush forming the brush unit with the fixing member, the number of parts of the brush unit is reduced and the cost is reduced. In addition, it is possible to prevent the runout from occurring when the brush rotates.

  In the invention of claim 2, since the fixing plate for fixing the bottom portion of the channel brush is provided in the brush unit, it is possible to prevent the shape deformation at the time of processing the channel brush. Therefore, the center axis of the brush unit can be accurately fixed so as to be aligned with the center of the rotation axis of the base unit, and the occurrence of runout during brush rotation can be prevented.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view showing a first embodiment of the present invention. As shown in this figure, the processing brush 1 has a channel brush 4 concentrically connected to a fixed surface 2b of a base unit 2 comprising a rotating shaft 2a and a fixed surface 2b by a fixing member 3a and a male screw 3b. The brush unit 5 consisting of is fixed. The channel brush 4 is formed by forming a single long channel brush 4 in which a brush piece 4a is sandwiched between a core wire 4b and a belt-like body 4c in a circular shape as shown in FIG. 2, and then welding the four portions of the belt-like body 4c. As a result, the brush unit 5 is formed. The channel brush 4 may be a brush composed of a brush piece 4a and a strip 4c that does not have a core wire 4b. In addition, as a method of connecting the channel brush 4, adhesion or the like can be applied in addition to welding.

  FIG. 2 is an exploded view of the processing brush 1 of FIG. As shown in this figure, the processing brush 1 can be disassembled into a base unit 2, a brush unit 5, a fixing member 3a, and a male screw 3b. The fixed member 3a is formed with a tapered slope 30a and a pressing surface 30b. As can be seen from the cross-sectional view of FIG. 1, the tapered inclined surface 30 a is formed at an angle that coincides with the inclined surface 40 a of the band-like body 4 c of the inner channel brush 4 constituting the brush unit 5. The pressing surface 30b is in contact with the upper surface 40b of the strip 4c. With such a configuration, the central axis of the brush unit 5 is aligned with the center of the rotation shaft 2 a of the base unit 2. Therefore, since the brush 1 for processing can attach or detach the brush unit 5 from the base unit 2, only the brush unit 5 needs to be replaced when the brush piece 4a is worn, and the rotational drive source (not shown) can be used. It can also prevent runout when installed and rotated.

  In the processing brush for performing various processes such as grinding, polishing, surface treatment, cleaning, and deburring according to the present invention, grinding is a process of smoothing the surface of the processing surface with a brush. Polishing is a process of polishing and smoothing the surface of the work surface with a brush. The surface treatment is a process for improving the state of the surface to be processed, such as curing, beautifying, smoothing, and corrosion resistance the surface of the surface to be processed. The cleaning is a process of cleaning the surface of the processing surface with a brush. Deburring is a process of removing an excess portion formed on the edge of a product by brushing with a brush.

  FIG. 3 is a front view showing the processing brush 10 according to the second embodiment of the present invention, and FIG. 4 is an exploded view of the processing brush 10. As shown in these drawings, the processing brush 10 can be disassembled into a base unit 12, a brush unit 15, and male screws 13a and 13b. Here, the fixed plate 16 is welded to the bottom of the channel brush 24 of the brush unit 15 as shown in FIG. At this time, the center axis of the brush unit 15 is welded so as to match the center axis of the positioning hole 17. The fixing plate 16 is formed with female screws 14 a and 14 b corresponding to male screws 13 a and 13 b inserted from holes 27 a and 27 b formed in the base unit 12, and a tip 18 of the rotating shaft 12 a of the base unit 12 is formed. A positioning hole 17 to be inserted is formed. The brush unit 15 is attached to the base unit 12 with male screws 13a and 13b while the fixing plate 16 is inserted into a groove 60 formed in the base unit 12. Therefore, even when an external impact or overload is applied to the processing brush 10 at the time of processing, the brush unit 15 does not drop out of the base unit 12 and is not displaced.

  FIG. 5A is a perspective view of the fixed plate 16, and FIG. 5B is a cross-sectional view of the fixed plate 16 taken along the line AA. FIG. 6 is a side view of the base unit 12. The positioning hole 17 of the fixed plate 16 is formed with a tapered slope, and this slope is formed at an angle that coincides with the tapered slope of the tip 18 of the rotating shaft 12a of the base unit 12. With this configuration, the center axis of the brush unit 15 is aligned with the center of the rotating shaft 12 a of the base unit 12. Therefore, since the brush 10 for processing can attach or detach the brush unit 15 from the base unit 12, only the brush unit 15 needs to be replaced when the brush piece 4a is worn, and it can be used as a rotational drive source (not shown). It can also prevent runout when installed and rotated.

  In addition, it cannot be overemphasized that various embodiment can be taken in the range which does not deviate from the meaning of this invention. For example, the base unit 12 may adopt a form without the groove portion 60. Further, as shown in FIG. 7, a configuration of a brush unit 25 including a spiral channel brush 34 having a center 50 can also be adopted.

  The brush of the present invention is used as a processing brush for performing various processes such as grinding, polishing, surface treatment, cleaning, and deburring of a surface to be processed.

Sectional drawing which shows 1st Embodiment of this invention. The exploded perspective view. The perspective view which shows 2nd Embodiment of this invention. The exploded perspective view. The perspective view and sectional drawing which show a fixing plate. The side view which shows a base unit. The front view which shows the brush unit of 3rd Embodiment of this invention.

Explanation of symbols

1, 10 Processing brushes 2, 12 Base unit 3a Fixing members 3b, 13a, 13b Male screws 4, 24, 34 Channel brush 4a Brush piece 4b Core wire 4c Strip bodies 5, 15, 25 Brush units 14a, 14b Female screw 16 Fixing plate 17 Positioning hole 18 Rotating shaft tip 50 Center 60 Groove

Claims (2)

  In a processing brush for performing various types of processing such as grinding, polishing, surface treatment, cleaning, deburring, etc. of the work surface, the processing brush has a ring-shaped channel brush with at least the bristles sandwiched between strips. A base unit having a brush unit formed by concentrically connecting brush pieces formed on the base plate, a fixed surface for fixing the brush unit, and a rotating shaft extending in a direction perpendicular to the fixed surface; and the brush unit A fixing member that can be fixed so as to be aligned with the center of the rotation axis of the base unit, the fixing member including a tapered slope and a pressing surface, The inclined surface of the side surface has the same inclination angle as the tapered inclined surface of the fixing member, and the upper surface of the band-shaped body comes into contact with the pressing surface of the fixing member so that the brush unit can be attached to and detached from the fixing surface of the base unit Machining brush, characterized in that it is fixed to.   In a processing brush for performing various types of processing such as grinding, polishing, surface treatment, cleaning, deburring, etc. of the work surface, the processing brush is a concentric connection of brush pieces with channel brushes formed in a ring shape. A brush unit having a fixing plate for fixing the bottom of the concentric channel brush, a base unit having a fixing surface for fixing the brush unit, and a rotating shaft extending in a direction perpendicular to the fixing surface; The fixing plate includes a positioning hole in which a tapered inclined surface is formed, and the rotating shaft is formed with a tapered inclined surface whose angle coincides with the tapered inclined surface of the positioning hole, The processing brush, wherein the tapered slope of the rotating shaft abuts the tapered slope of the positioning hole, and the brush unit is detachably fixed to the base unit.

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