JPH0621841U - Small polishing tool - Google Patents

Abstract

(57) [Summary] [Purpose] It is small and can be operated with one hand, ensuring a flat surface and uniform cuts. A polishing belt 23 wound around a driving roller 21 and a driven roller 22 is provided in the mounting body 1, and the driving roller 21
A box 33 covering the motor 3 is provided with an air motor 3 arranged vertically above the mounting stand 12 protruding from the main body 1 and a belt 12 transmission mechanism for transmitting the rotation of the motor 3 to the drive roller 21 on its side. A holding member 13 fixed to the front end side portion of the mounting body 1 is provided with an operation lever 5 for driving and controlling the motor 3 by connecting a rearward facing gripping member 4 to the gripping member 4.
The attachment 61 is fixedly attached to the vertical guide 64, and the lifting member 7 is provided on the vertical guide 64.
A cut adjusting roller 8 is rotatably provided on the roller 4, and a grounding roller 9 is rotatably attached to a lower portion of the rear end of the attachment body 1 after the driven roller 22 and below the driven roller 22.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a small polishing tool that can be operated with one hand.

[0002]

[Prior art]

 Conventionally, as a polishing tool using a polishing belt, the transmission mechanism for rotating the polishing belt from the rotating device is complicated and has a considerable weight, so that it is held and operated by both hands. Therefore, in the previous application, the applicant of the present application provides a simple polishing tool that can be operated with one hand by arranging the rotating device on the polishing belt and connecting the rearward holding member from the cover box of the rotating device. Provided.

[0003]

[Problems to be solved by the device]

 Further, the present invention provides a polishing tool that can be moved straight and is excellent in hairline processing, supports weight and can be easily flattened, and can adjust the cut.

[0004]

[Means for Solving the Problems]

 For this reason, the present invention provides a polishing belt body in which a polishing sheet is endlessly wound around front and rear rollers provided in a mounting body, a rotating device mounted on the mounting body and arranged above the polishing belt body, and a rotating device rotating. Of the polishing belt to one roller of the polishing belt, a rear-side gripping member that is connected to the mounting body or the box of the rotating device, an operating lever that is connected to the rotating device to drive and control the rotating device, and a polishing device. It comprises a rotatable cutting adjustment roller arranged in front of the belt body in parallel with the roller, and a rotatable grounding roller arranged in parallel with the roller behind the polishing belt body. The guide roller at the front position may be attached to the main body so that the guide roller can be moved up and down and the height position can be displaced.

[0005]

[Action]

 Since the rotating device is arranged above the polishing belt body, its transmission mechanism can be provided on the side surface of the polishing belt body, which can be a simple transmission mechanism for the polishing belt body, and the gripping members connected in series can be gripped with one hand. It can be operated. In the operation, if the notch adjusting roller at the front position is flush with the polishing surface of the polishing belt body, it can be ground on the same plane, and the notch adjusting roller at the front position is kept constant from the polishing surface of the polishing belt body. If it is located as high as possible, it will be possible to polish the cutting depth to a constant level.

[0006]

【Example】

 Hereinafter, an illustrated embodiment of the present invention will be described. In the present embodiment shown in FIGS. 1 to 4, reference numeral 2 is a polishing belt body, which is formed by endlessly winding a polishing belt 23 around a driving roller 21 and a driven roller 22. The drive roller 21 has a rubber drum 25 attached to a rotary shaft 24 attached to the front side of one side of the mounting body 1, and the driven roller 22 on the other side has an elongated hole 11 which is transparently provided on the rear side of one side of the mounting body 1. The shaft pin 26 is fixed with a screw 27, and the free drum 28 is rotatably mounted on the shaft pin 26.

Reference numeral 3 denotes an air motor, which encloses the blades 31 which are rotated by press-fitting compressed air to rotate the shaft 32. The motor 3 is provided with a cover body 33 thereof fixed to a mounting upright piece 12 vertically protruding from the mounting body 1, and is arranged vertically above the drive roller 21.

Further, a pulley 34 is attached to the shaft 32 of the motor 3 protruding laterally from the mounting upright piece 12, and a pulley 29 is attached to the rotary shaft 24 of the drive roller 21 protruding laterally from the mounting body 1. Are connected to each other by a pulley 34 and a belt 35. The transmission mechanism is covered with a cover 36 at the side portions of the mounting body 1 and the mounting upright piece 12.

Further, the cover body 33 of the motor 3 is provided with a rearward facing gripping member 4, and a hose from a compressor (not shown) is connected to the inside of the gripping member 4 to connect the motor 3 to the inside of the motor 3. An air passage 41 that is in conduction is arranged. An operation lever 5 is attached to the upper surface of the grip member 4 so as to be vertically rotatable by connecting a pin 51. As shown in FIG. 2, a vertically movable pin 52 pressed by the operation lever 5 is an operation lever. It is located under 5. The movable pin 52 is fixed to a movable member 53 that divides the air passage 41 by moving up and down in the grip member 4, and the movable member 53 has a conduction passage 54 that communicates with the air passage 41 in its lowered state. It is transparently installed in the front-back direction. The movable member 53 is constantly urged to rise by the spring 55.

Then, the attachment body 13 is provided on the front end side portion of the mounting body 1 with the bolt 14 protruding in the forward direction, and the attachment 61 is fixed to the bolt 62. The attachment 61 has a frontward flange 63 protruding from the upper end on one side, and a pair of guides 64 vertically provided below the flange 63. The elevating member 7 is fitted to the guide 64. As shown in FIG. 3, a screw 71, which is provided at the upper part of the elevating member 7 and is prevented from coming off, is screwed into the flange 63 so as to intervene. The lifting member 7 is moved up and down as the screw 71 rotates.

The lifting member 7 is attached to the attachment 61, and a bolt 65 protruding from between the guides 64 is passed through the long hole 72, and a knob 73 with a built-in nut is screwed to the attachment 61 as shown in FIG. It is firmly fixed and held. A mounting piece 74 is continuously provided at the lower end of the elevating member 7, and a support pin 75 is screwed and fixed by a bolt 76, and a cut adjustment roller 8 is rotatably attached to the support pin 75. There is.

Reference numeral 9 denotes a grounding roller, which is rotatably attached to a support pin 16 fixed to the lower rear end of the mounting body 1 at a position below and below the driven roller 22. Further, 17 is a hole for attaching a suction hose.

Next, the operation of this example will be described. When the compressor is turned on and the grip member 4 is gripped with one hand, the operation lever 5 pivots downward with the pin 51 as a fulcrum. As a result, the movable pin 52 is pushed down, the movable member 53 descends against the spring 55, the conduction path 54 communicates with the air path 41, and compressed air is forced into the motor 3 to rotate the motor 3.

The rotation of the motor 3 causes the drive roller 21 to rotate via the pulley 34, the belt 35, and the pulley 29, and the polishing belt 23 to rotate. It suffices to hold this state and apply it to the material to be polished for polishing. When it is desired to stop the polishing, the grip of the grip member 4 may be loosened. The restoring force of the spring 55 causes the movable member 53 to move up and back to block the air passage 41 and the operation lever 5 to rotate upward. I will return.

In this example, since the motor 3 is located vertically above the drive roller 21 and rotates in the same direction, its belt transmission mechanism can be easily connected, resulting in compactness and weight reduction, and switching. It can be operated with one hand because it can be linked with the grip.

A feature of this example is that the knob 73 is loosened, the screw 71 is rotationally adjusted to move the lifting member 7 up and down, and the knob 73 is screwed to fix the lifting member 7 at a predetermined position. Thus, the cutting adjustment roller 8 can be arranged at a predetermined height. Therefore, by disposing the lower end of the cutting adjustment roller 8 at the same horizontal height as the lower ends of the grounding roller 9 and the drive roller 21, as shown in FIG. That is, since the polishing belt 23 does not enter below the horizontal height of the cut adjusting roller 8 and the grounding roller 9, the polishing is always performed on the level of the horizontal surface.

Further, as shown in FIG. 7, if the lower end of the cutting adjustment roller 8 is arranged above the lower end of the driving roller 21, the flat work material can be ground to a certain depth. That is, the material to be ground is ground by a height different from the horizontal line connecting the lower ends of the grounding roller 9 and the cut adjusting roller 8 and the horizontal line connecting the lower ends of the grounding roller 9 and the driving roller 21. It will be.

Further, the cutting tool 8 and the grounding roller 9 support the polishing tool forward and backward, and the movement is guided, so that the polishing tool can always be moved linearly and stably. Therefore, the stainless steel abrasive material can be straightened by hairline processing, resulting in a clean finish. If the cutting adjustment roller 8 is not necessary, the elevating member 7 may be raised so as not to get in the way, or the attachment 61 may be removed.

Although the present example is configured as described above, the present invention is not limited to this. For example, the structure of the polishing belt body, which is formed by winding the polishing belt around the drive roller and the driven roller in an endless manner, and the mounting means with the mounting body does not matter. Further, the configuration of the rotating device is not limited, and may be an electric motor. A transmission mechanism for transmitting the rotation of the rotating device to the drive side roller is also appropriate. Further, the shape of the gripping member is not limited, and the configuration of the operation lever which is linked to the rotating device and drives and controls the rotating device is arbitrary. When the rotating device is an electric motor, switching can be performed so that electric conduction can be achieved by pressing the operating lever.

The notch adjusting roller arranged in front of the polishing belt body and the grounding roller arranged after the polishing belt body are appropriately structured, and their mounting structures are not limited. If the cutting adjustment roller can be moved up and down, its configuration is not limited.

[0021]

[Effect of device]

 According to the present invention, the one-handed operation can be performed by gripping the gripping member provided on the polishing belt, and the cutting adjustment roller can be ground until it comes into contact with the material to be ground, making it easy to flatten the surface and cut it. Hairline processing can be performed in a straight line by grounding the material to be polished by the adjusting roller and the grounding roller. According to the second aspect of the present invention, there is an effect that the cut polishing on the material to be polished can be made uniform by vertically adjusting the cut adjusting roller.

[Brief description of drawings]

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

FIG. 2 is a right side view in which a part of the cross section is shown.

FIG. 3 is a front view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is an enlarged cross-sectional plan view of an essential part of the lifting member.

FIG. 6 is a schematic layout diagram of a flat surface polishing line.

FIG. 7 is a schematic layout diagram of a notch polishing line.

[Explanation of symbols]

 1 Mounting Main Body 11 Long Hole 12 Mounting Standing Piece 13 Guide Holding Section 16 Support Pin 2 Polishing Belt Body 21 Drive Roller 22 Driven Roller 23 Polishing Belt 24 Rotating Shaft 25 Rubber Drum 26 Shaft Pin 29 Pulley 3 Air Motor 32 Shaft 33 Cover Body 34 Pulley 35 Belt 4 Gripping member 41 Air path 5 Operation lever 51 Pin 52 Movable pin 53 Movable material 54 Conductive path 61 Attachment 63 Flange 64 Guide 65 Bolt 7 Elevating material 71 Screw 72 Long hole 73 Knob 74 Mounting piece 75 Support pin 76 Bolt 8 Off Adjusting roller 9 Grounding roller

Claims (2)

[Scope of utility model registration request] 1. A polishing belt body comprising endlessly wound polishing sheets on front and rear rollers provided in a mounting body,
A rotating device attached to the mounting body and placed above the polishing belt body, a transmission mechanism that transmits the rotation of the rotating device to one roller of the polishing belt body, and a rearward grip that is connected to the mounting body or the box of the rotating device. A member, an operating lever which is connected to the rotating device to drive and control the rotating device, a rotatable notch adjusting roller arranged in parallel with the roller in front of the polishing belt body, and a roller behind the polishing belt body. A small polishing tool consisting of a rotatable grounding roller arranged in parallel. 2. The polishing tool according to claim 1, wherein the cutting adjustment roller at the front position is mounted on the mounting body so that it can be moved up and down and the height position can be displaced.