WO2016084710A1 - 回転加工工具 - Google Patents
回転加工工具 Download PDFInfo
- Publication number
- WO2016084710A1 WO2016084710A1 PCT/JP2015/082585 JP2015082585W WO2016084710A1 WO 2016084710 A1 WO2016084710 A1 WO 2016084710A1 JP 2015082585 W JP2015082585 W JP 2015082585W WO 2016084710 A1 WO2016084710 A1 WO 2016084710A1
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- WIPO (PCT)
- Prior art keywords
- shaft
- longitudinal axis
- sliding surface
- end portion
- rotary
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/265—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which one coupling part has a tongue received with the intermediate member(s) in a recess with a transverse axis in the other coupling part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/02—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/006—Vibration damping means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
Definitions
- the present invention relates to a rotary machining tool. More specifically, the present invention relates to a rotary machining tool having a buffer function that relaxes a reaction force received from a workpiece during a machining operation.
- Pneumatic and electric hand-held rotary processing tools have unexpectedly large counteracting parts such as abrasives and cutting blades that are rotationally driven during processing operations such as grinding and cutting. It may be thrown away with force. When such a phenomenon occurs, there is a possibility that the rotating processed member may come into contact with another place of the processed object and damage the processed object, which is not preferable.
- a grinding tool having a buffer function for relaxing a reaction force from an object to be ground as shown in Patent Document 1 has been developed.
- the shaft extending from the grinding blade is attached so as to be slidable in the direction of the longitudinal axis with respect to the cylindrical rotary drive portion of the tool body.
- a spring is attached between the rotary drive unit and the grinding blade so as to cover the shaft, and the grinding blade is pressed forward by the urging force of the spring.
- a groove extending in the direction of the longitudinal axis is formed on the outer peripheral surface of the shaft of the grinding blade, and a pin extending inward from the rotation drive unit is received in this groove.
- the grinding blade Due to the engagement between the pin and the groove, the grinding blade can be displaced in the direction of the longitudinal axis with respect to the rotational drive unit, but is fixed in the rotational direction.
- the spring bends and moves backward so that the grinding blade escapes from the object to be ground.
- the tool body which is relaxed by the operator and gripped by the operator is not transmitted much. In this way, the tool body is prevented from being blown away even when the grinding blade receives a large reaction force from the object to be ground.
- the present invention provides a rotary machining tool capable of improving the durability of a portion constituting a buffer function that relaxes a reaction force received during machining operations such as grinding and cutting. Objective.
- a rotary machining tool comprising a tool body incorporating a motor, and a rotary drive shaft that is drivingly connected to the motor,
- the rotary drive shaft is A proximal end portion drivingly connected to the motor, and a first shaft having a distal end portion;
- a second shaft having a proximal end portion drivingly connected to the distal end portion of the first shaft and a distal end portion to which a processing member is attached;
- An elastic member that is set between the first shaft and the second shaft and allows the second shaft to move toward the first shaft while being elastically deformed;
- the distal end portion of the first shaft has a first sliding surface extending parallel to the longitudinal axis of the rotary drive shaft, and the proximal end portion of the second shaft extends parallel to the longitudinal axis.
- a rotary machining tool in which a shaft is relatively displaceable in the direction of the longitudinal axis with respect to the first shaft, but is relatively fixed in the rotational direction of the rotary drive shaft.
- the tip portion of the first shaft has one of a convex portion and a concave portion extending in the direction of the longitudinal axis and slidingly engaging with each other, and the first sliding surface is Formed on the one side surface of the convex portion and the concave portion, the proximal end portion of the second shaft has the other of the convex portion and the concave portion, and the second sliding surface is It can be formed on the other side surface of the convex portion and the concave portion.
- the convex portion is provided with an elongated hole that penetrates the convex portion in a direction crossing the longitudinal axis and extends in the direction of the longitudinal axis, and the concave portion has a direction transverse to the longitudinal axis.
- a shaft portion that extends and is received in the elongated hole of the convex portion may be provided.
- Such a configuration makes it possible to limit the movement range of the second shaft in the direction of the longitudinal axis with respect to the first shaft to a range in which the shaft portion abuts on both end faces of the elongated hole.
- the shaft portion and the side surface of the elongated hole It is also possible to prevent the shaft portion from being damaged by preventing the shaft portion from being subjected to a force in the rotational direction by preventing the shaft portion from being directly engaged.
- At least one of the first shaft and the second shaft has an elastic member receiving hole extending in the direction of the longitudinal axis, and the elastic member is inserted and held in the elastic member receiving hole.
- One end of the elastic member can be in contact with the first shaft, and the other end can be in contact with the second shaft.
- a cylindrical shaft holding member extending from the tool body in the direction of the longitudinal axis so as to cover the outer peripheral surfaces of the first and second shafts, and held on the inner peripheral surface of the shaft holding member, A first bearing member that rotatably supports the shaft, and a second bearing member that is held on the inner peripheral surface of the shaft holding member and rotatably supports the second shaft can be further provided. .
- first and second shafts of the rotary drive shaft that rotates at a high speed during the processing operation are covered by the shaft holding member, it is possible to reduce the risk of injury by touching the rotary drive shaft by mistake.
- first and second shafts are supported by the first and second bearing members, respectively, it is possible to suppress shaft runout during rotation of each shaft and perform more stable processing operations. .
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 when an activation operation member is at a stop position.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 when an activation operation member is in a driving position and a switching operation member is in a normal rotation position.
- FIG. 5 is a sectional view taken along line VV in FIG. 4. It is a part of side surface sectional drawing of a grinding tool when a starting operation member exists in a drive position.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 when an activation operation member is at a stop position.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 when an activation operation member is in a driving position and a switching operation member is in a normal rotation position.
- FIG. 5 is a sectional view taken along line VV in FIG. 4. It is a part of side surface sectional drawing of
- FIG. 7 is a cross-sectional view taken along line VII-VII in FIG.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 1 when an activation operation member is in a driving position and a switching operation member is in a reverse rotation position.
- FIG. 9 is a cross-sectional view taken along line IX-IX in FIG.
- FIG. 5 is a cross-sectional view taken along the line VV in FIG. 4 and shows a state in which the flow rate of compressed air is restricted by a switching operation member.
- a grinding tool 10 includes a tool body 14 incorporating an air motor 12, a rotary drive shaft 16 that is drivingly connected to the air motor 12, and an air motor that is gripped by an operator.
- the pneumatic grinding tool 10 includes an operation unit 18 for operating the activation of the motor 12 and the rotation direction of the air motor 12, and the abrasive 20 attached to the tip of the rotary drive shaft 16 is moved by the air motor 12.
- the grinding object is ground by rotating and bringing the rotating abrasive 20 into contact with the grinding object.
- the rotary drive shaft 16 that is drivingly connected to the air motor 12 has a first shaft 22 and a second shaft 24 that are connected in alignment with each other in the direction of the longitudinal axis L of the rotary drive shaft 16.
- the base end portion 22 a of the first shaft 22 is drivingly connected to the rotational drive shaft 12 a of the air motor 12 by a coupling 26.
- the distal end portion 22b of the first shaft 22 and the proximal end portion 24a of the second shaft 24 can be displaced with respect to the first shaft 22 along the longitudinal axis L. It is connected so that it may be relatively fixed in the rotation direction of 16.
- the distal end portion 22 b of the first shaft 22 is provided with a convex portion 28 that projects in the direction of the longitudinal axis L, and the proximal end portion 24 a of the second shaft 24 is in the direction of the longitudinal axis L.
- a recess 30 is provided extending in the direction.
- the width of the convex portion 28 is designed to be slightly smaller than the width of the concave portion 30, and the convex portion 28 is received in the concave portion 30 so as to be slidable in the direction of the longitudinal axis L.
- the recess 30 is provided with a pin fitting hole 32 extending in a direction perpendicularly crossing the longitudinal axis L, and a shaft portion in which the pin 34 is press-fitted into the pin fitting hole 32 and crosses the recess 30 is provided. It is supposed to be formed.
- the convex portion 28 is formed with a long hole 36 that penetrates the longitudinal axis L in a direction perpendicular to the longitudinal axis L and extends in the direction of the longitudinal axis L.
- the elongated hole 36 has a width that allows the pin 34 to pass therethrough.
- the second shaft 24 has a spring accommodation hole 38 extending in the direction of the longitudinal axis L from the bottom surface 30b of the recess 30 and a direction of the longitudinal axis L so as to extend from the spring accommodation hole 38 on both sides of the recess 30.
- An extending arc-shaped spring insertion surface 43 is formed.
- a coil spring 40 having first and second spring seats 41 and 42 at its ends is accommodated in the spring accommodation hole 38 through the spring insertion surface 43.
- the first shaft 22 and the second shaft 24 accommodate the coil spring 40 in the spring accommodating hole 38, and the convex portion 28 is inserted into the concave portion 30 to fit the elongated hole 36 of the convex portion 28 and the concave portion 30.
- the pins 34 are connected to each other so as to be displaceable in the direction of the longitudinal axis L.
- one end 40a of the coil spring 40 abuts on the tip 28b of the convex portion 28 of the first shaft 22 via the first spring seat 41, The other end 40b contacts the bottom 38a (FIG. 1) of the spring accommodating hole 38 of the second shaft 24 via the second spring seat 42, and the coil spring 40 causes the second shaft 24 to move against the first shaft 22. It pushes forward.
- Both side surfaces of the convex portion 28 and both side surfaces of the concave portion 30 constitute a first sliding surface 28a and a second sliding surface 30a that extend in parallel to the direction of the longitudinal axis L and are slidably engaged with each other. ing.
- the second shaft 24 can be displaced in the longitudinal axis L with respect to the first shaft 22, but the rotational drive shaft 16 It is relatively fixed in the rotation direction. Transmission of the rotational driving force from the first shaft 22 to the second shaft 24 is made by surface contact between the first sliding surface 28a and the second sliding surface 30a. No force in the direction of rotation is applied.
- the rotary drive shaft 16 Since the rotary drive shaft 16 has the above-described configuration, the grinding material 20 attached to the tip end portion 24b of the second shaft 24 bites into the object to be ground unexpectedly during the grinding operation. Even when the reaction force is received, the coil spring 40 elastically deforms and absorbs the movement of the abrasive 20 being repelled and relaxes the reaction force, so that a large reaction force is not transmitted to the tool body 14 and the operation unit 18. Therefore, even if the abrasive 20 is bounced, the tool body 14 and the operation unit 18 are not bounced off.
- the first shaft 22 has the convex portion 28 and the second shaft 24 has the concave portion 30.
- the first shaft 22 has the concave portion 30 and the second shaft. 24 may have a convex portion 28.
- the pin 34 may be fixed to the convex portion 28, and a long hole 36 for receiving the pin 34 may be provided in the concave portion 30.
- the spring accommodating hole 38 may be provided in the first shaft 22, or may be partially provided in the first shaft 22 and the second shaft 24, respectively, so that the coil spring 40 is provided between the first shaft 22 and the second shaft 24. You may make it each accommodate in each part partially.
- the tool body 14 has an air motor 12 and a motor housing 44 that houses the air motor 12.
- a cylindrical shaft holding member 46 extending in the direction of the longitudinal axis L is attached to the motor housing 44 so as to cover the outer peripheral surface 22 c of the first shaft 22 and the outer peripheral surface 24 c of the second shaft 24.
- the shaft holding member 46 includes a base end side member 46a fixed to the motor housing 44 and a front end side member 46b screwed to the base end side member 46a.
- One first bearing member 48 is held on the inner peripheral surface 46 c of the base end side member 46 a of the shaft holding member 46, and the first shaft 22 is rotatably supported by the first bearing member 48.
- two second bearing members 50 are held on the inner peripheral surface 46d of the distal end side member 46b of the shaft holding member 46, and the second shaft 24 is rotatably supported by the second bearing members 50. .
- the rotary drive shaft 16 is driven to rotate at a high speed by the air motor 12, but since the outer periphery thereof is covered by the shaft holding member 46, an operator accidentally touches the rotating rotary drive shaft 16 during the grinding operation and is injured. Can be prevented. Further, since the rotary drive shaft 16 that extends long is supported from the radial direction by the first and second bearing members 48 and 50, the first shaft 22 and the second shaft 24 of the rotary drive shaft 16 are rotating. This makes it possible to perform grinding work in a more stable state with reduced shaft runout.
- the operation unit 18 for operating the supply of compressed air to the air motor 12 includes an operation unit main body 52 in which an air flow path is formed, and an outer peripheral surface of the operation unit main body 52.
- a cylindrical activation operation member 54 slidably disposed on the operation unit main body 52 in the direction of the longitudinal axis M of the operation unit main body 52, and a longitudinal axis M of the operation unit main body 52 on the outer peripheral surface 52 a of the operation unit main body 52.
- a cylindrical switching operation member 56 disposed so as to be rotatable in the circumferential direction with respect to.
- Compressed air from a compressed air supply source (not shown) is introduced from the air supply port 58 of the operation unit main body 52 and supplied to the air motor 12 through some flow paths, and the exhaust from the air motor 12 is supplied to another flow.
- the air is exhausted from the exhaust port 60 through the path.
- the compressed air Is not supplied to the air motor 12, and the air motor 12 is not driven.
- the air supply path A2 is in communication with the air supply path A3, and the compressed air flows in the direction indicated by the arrow I1.
- the compressed air further flows through the air supply path A4, the air supply / exhaust path B1 formed in the switching operation member 56, and the air supply / exhaust path B2 as indicated by an arrow I2 in FIG. 5, and further as indicated by an arrow I3 in FIG. Then, the air is supplied to the air motor 12 from the first opening 12 b of the air motor 12 through the air supply / exhaust passage B 3 and the air supply / exhaust passage B 4 of the motor housing 44. Then, the air motor 12 is rotationally driven clockwise as viewed in FIG. 4 by the compressed air flowing from the first opening 12b, and accordingly, the rotational drive shaft 16 and the abrasive 20 are rotationally driven in the forward rotation direction.
- the compressed air that has passed through the air motor 12 is exhausted from the air motor 12 through the second opening 12c, and flows through the air supply / exhaust path B5 and the air supply / exhaust path B6 as indicated by an arrow O1.
- the compressed air further passes through the air supply / exhaust passage B7, the air supply / exhaust passage B8 formed in the switching operation member 56, and the exhaust passage C1 as shown by the arrow O2 in FIG. 5, and further exhausts as shown by the arrow O3 in FIG.
- the gas is exhausted from the exhaust port 60 through the path C2.
- the air motor 12 is provided with a third opening 12d dedicated to exhaust.
- the compressed air exhausted from the third opening 12d is exhausted from the motor housing 44 along the arrow O4.
- a clearance 62 is provided between the motor housing 44 and the operation portion main body 52 of the operation portion 18, and the exhaust passage C ⁇ b> 3 and the exhaust passage C ⁇ b> 4 communicate with each other through the clearance 62.
- the air supply / exhaust path B3 and the air supply / exhaust path B4 are hermetically connected by a connecting pipe 64, and the air supply / exhaust path B5 and the air supply / exhaust path B6 are hermetically connected by a connecting pipe 66.
- the compressed air supplied to 12 does not leak into the gap 62.
- the compressed air that has passed through the air motor 12 is exhausted from the air motor 12 through the first opening 12b, and flows through the air supply / exhaust path B4 and the air supply / exhaust path B3 as indicated by an arrow O6.
- the compressed air further passes through the air supply / exhaust path B2, the air supply / exhaust path B1 formed in the switching operation member 56, and the exhaust path C1 as shown by an arrow O7 in FIG. 9, and further exhausts as shown by an arrow O3 in FIG.
- the gas is exhausted from the exhaust port 60 through the path C2.
- the exhaust from the third opening 12d of the air motor 12 is exhausted along the routes indicated by arrows O4 (FIG. 7) and O5 (FIG. 6).
- the rotation direction of the air motor 12 can be switched to change the rotation direction of the abrasive 20. It has become. Further, for example, the switching operation member 56 is positioned as shown in FIG. 10 and the opening 68 of the air supply path A4 is partially blocked by the switching operation member 56, so that the air supply path A4 and the air supply path A4 are supplied. It is also possible to increase the fluid resistance between the exhaust passage B1 and reduce the flow rate of the compressed air supplied to the air motor 12, thereby reducing the rotational speed of the air motor 12. That is, by adjusting the position of the switching operation member 56, the rotation direction of the air motor 12 can be switched, and the rotation speed of the air motor 12 can also be adjusted.
- the switching operation member 56 for adjusting the rotation direction and the rotation speed of the air motor 12 is configured as a member different from the start operation member 54 for operating the start and stop of the supply of compressed air. Has been. Therefore, for example, even if the air motor 12 is temporarily stopped by the activation operation member 54 after adjusting the rotation direction and the rotation speed of the air motor 12 by the switching operation member 56, the position of the switching operation member 56 can be maintained as it is, so that the activation is started again.
- the air motor 12 is rotationally driven in the same manner as before the stop. Therefore, it is not necessary to adjust the rotation direction and rotation speed of the air motor 12 each time the air motor 12 is started.
- the engagement in the rotational direction between the first shaft 22 and the second shaft 24 is made by surface contact between the first sliding surface 28a and the second sliding surface 30a. Compared with the point contact or line contact due to the groove, local stress concentration is less likely to occur, and the possibility of breakage in the connecting portion of the first shaft 22 and the second shaft 24 can be reduced. ing. In addition, since the engagement of the first shaft 22 and the second shaft 24 in the rotational direction is a surface contact, the possibility that irregularities are formed on each sliding surface can be greatly reduced.
- the reaction force is absorbed by the coil spring 40, but other elastic members such as a rubber member may be used instead of the coil spring 40.
- the pneumatic grinding tool 10 using the air motor 12 as a driving source has been described.
- the pneumatic grinding tool 10 using an electric motor as a driving source instead of the air motor 12 can be used, and a grinding material can be used as a processing member.
- another processing member such as a cutting blade can be attached to form another rotary processing tool.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Drilling And Boring (AREA)
- Portable Power Tools In General (AREA)
Abstract
Description
モータを内蔵する工具本体と、該モータに駆動連結される回転駆動シャフトと、を備える回転加工工具であって、
該回転駆動シャフトが、
該モータに駆動連結された基端部、及び先端部を有する第1シャフトと、
該第1シャフトの該先端部に駆動連結された基端部、及び加工部材が取付けられる先端部を有する第2シャフトと、
該第1シャフト及び該第2シャフトの間に設定され、該第2シャフトが該第1シャフトの側へ向かう動きを弾性変形しながら許容する弾性部材と、を有し、
該第1シャフトの該先端部が、該回転駆動シャフトの長手軸線に平行に延在する第1摺動面を有し、該第2シャフトの該基端部が、該長手軸線に平行に延在し該第1摺動面と摺動係合する第2摺動面を有しており、該第1摺動面と該第2摺動面とが摺動係合することにより該第2シャフトが該第1シャフトに対して該長手軸線の方向では相対的に変位可能であるが該回転駆動シャフトの回転方向では相対的に固定されるようにされた、回転加工工具を提供する。
Claims (5)
- モータを内蔵する工具本体と、該モータに駆動連結される回転駆動シャフトと、を備える回転加工工具であって、
該回転駆動シャフトが、
該モータに駆動連結された基端部、及び先端部を有する第1シャフトと、
該第1シャフトの該先端部に駆動連結された基端部、及び加工部材が取付けられる先端部を有する第2シャフトと、
該第1シャフト及び該第2シャフトの間に設定され、該第2シャフトが該第1シャフトの側へ向かう動きを弾性変形しながら許容する弾性部材と、を有し、
該第1シャフトの該先端部が、該回転駆動シャフトの長手軸線に平行に延在する第1摺動面を有し、該第2シャフトの該基端部が、該長手軸線に平行に延在し該第1摺動面と摺動係合する第2摺動面を有しており、該第1摺動面と該第2摺動面とが摺動係合することにより該第2シャフトが該第1シャフトに対して該長手軸線の方向では相対的に変位可能であるが該回転駆動シャフトの回転方向では相対的に固定されるようにされた、回転加工工具。 - 該第1シャフトの該先端部が該長手軸線の方向に延在して相互に摺動係合する凸部と凹部とのうちの一方を有し、該第1摺動面が該凸部と凹部とのうちの該一方の側面に形成されており、該第2シャフトの該基端部が該凸部と凹部とのうちの他方を有し、該第2摺動面が該凸部と凹部とのうちの該他方の側面に形成されている、請求項1に記載の回転加工工具。
- 該凸部には、該長手軸線を横断する方向で該凸部を貫通し該長手軸線の方向に延びる長穴が設けられ、該凹部には、該長手軸線を横断する方向で延在して該凸部の該長穴に受け入れられる軸部が設けられている、請求項2に記載の回転加工工具。
- 該第1シャフトと該第2シャフトとのうちの少なくとも一方が該長手軸線の方向に延在する弾性部材収容穴を有しており、該弾性部材が該弾性部材収容穴内に挿入されて保持され、該弾性部材の一端が該第1シャフトに当接し、他端が該第2シャフトに当接するようにされている、請求項1乃至3の何れか一項に記載の回転加工工具。
- 該第1及び第2シャフトの外周面を覆うように該工具本体から該長手軸線の方向に延在する筒状のシャフト保持部材と、該シャフト保持部材の内周面に保持され、該第1シャフトを回転自在に支持する第1軸受部材と、該シャフト保持部材の内周面に保持され、該第2シャフトを回転自在に支持する第2軸受部材と、をさらに備える、請求項1乃至4の何れか一項に記載の回転加工工具。
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EP15863902.1A EP3156187B1 (en) | 2014-11-25 | 2015-11-19 | Rotary machining tool |
CN201580033780.2A CN106470803B (zh) | 2014-11-25 | 2015-11-19 | 旋转加工工具 |
KR1020167033730A KR101917489B1 (ko) | 2014-11-25 | 2015-11-19 | 회전 가공 공구 |
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JP2014237643A JP6382082B2 (ja) | 2014-11-25 | 2014-11-25 | 回転加工工具 |
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JP (1) | JP6382082B2 (ja) |
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CN109129134B (zh) * | 2018-08-24 | 2020-12-22 | 南通市华星钢丝制品有限公司 | 一种手持式铁丝除锈设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000135636A (ja) * | 1998-10-30 | 2000-05-16 | Kojima Kogyo:Kk | 自動調芯装置 |
JP2003191154A (ja) * | 2001-12-25 | 2003-07-08 | Kurimoto Ltd | 管内面研磨装置 |
JP2011036972A (ja) * | 2009-08-17 | 2011-02-24 | Horicon Co Ltd | 電動ドリルのガイドアタッチメントおよびこれを備えた穿孔装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1552495A1 (de) * | 1966-04-27 | 1969-12-04 | Rolf Winter | Bohreinrichtung,insbesondere zum Tieflochbohren fuer Bohr- und Drehmaschinen |
GB1329230A (en) * | 1971-05-17 | 1973-09-05 | Desoutter Brothers Ltd | Hand-held pneumatically driven rotating tool |
US3837121A (en) * | 1973-08-09 | 1974-09-24 | Trw Inc | Drilling machine |
JPH0295561A (ja) | 1988-09-30 | 1990-04-06 | Iseki & Co Ltd | 研削装置 |
US5011341A (en) * | 1989-11-09 | 1991-04-30 | The Aro Corporation | Two speed gear system for power tool |
DE19753304A1 (de) * | 1997-12-02 | 1999-06-10 | Scintilla Ag | Vorrichtung zur Arretierung einer Welle |
CN2683289Y (zh) * | 2004-03-05 | 2005-03-09 | 毅金工业股份有限公司 | 电动工具的电钻档轮输出扭力锁定装置 |
KR101107291B1 (ko) * | 2009-04-27 | 2012-01-20 | 이화다이아몬드공업 주식회사 | 그라인더용 진동 완충장치 |
JP5728316B2 (ja) * | 2011-07-13 | 2015-06-03 | 本田技研工業株式会社 | 多軸工作機械 |
CN203900634U (zh) * | 2014-06-19 | 2014-10-29 | 郭永青 | 内孔倒角机 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000135636A (ja) * | 1998-10-30 | 2000-05-16 | Kojima Kogyo:Kk | 自動調芯装置 |
JP2003191154A (ja) * | 2001-12-25 | 2003-07-08 | Kurimoto Ltd | 管内面研磨装置 |
JP2011036972A (ja) * | 2009-08-17 | 2011-02-24 | Horicon Co Ltd | 電動ドリルのガイドアタッチメントおよびこれを備えた穿孔装置 |
Cited By (1)
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KR20160148694A (ko) | 2016-12-26 |
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EP3156187A1 (en) | 2017-04-19 |
CN106470803B (zh) | 2019-04-23 |
JP2016097486A (ja) | 2016-05-30 |
KR101917489B1 (ko) | 2018-11-09 |
CN106470803A (zh) | 2017-03-01 |
TW201636167A (zh) | 2016-10-16 |
EP3156187A4 (en) | 2018-01-24 |
TWI566893B (zh) | 2017-01-21 |
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