WO2013058248A1 - Outil de travail - Google Patents

Outil de travail Download PDF

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Publication number
WO2013058248A1
WO2013058248A1 PCT/JP2012/076740 JP2012076740W WO2013058248A1 WO 2013058248 A1 WO2013058248 A1 WO 2013058248A1 JP 2012076740 W JP2012076740 W JP 2012076740W WO 2013058248 A1 WO2013058248 A1 WO 2013058248A1
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WO
WIPO (PCT)
Prior art keywords
shaft
clamp
work tool
axial direction
spindle
Prior art date
Application number
PCT/JP2012/076740
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English (en)
Japanese (ja)
Inventor
憲 山内
Original Assignee
株式会社マキタ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社マキタ filed Critical 株式会社マキタ
Publication of WO2013058248A1 publication Critical patent/WO2013058248A1/fr

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Classifications

    • 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
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools

Definitions

  • the present invention relates to a work tool that drives a pinched tip tool.
  • a work tool for driving a tool held between a work spindle and a fastening element is described.
  • the work tool is configured such that the fastening element is slidable with respect to the work spindle between a clamp position for holding the tool and an open position where it is removed from the work spindle.
  • the clamping shaft of the fastening element is held by a stop assembly provided inside the working spindle.
  • the tool is clamped between the work spindle and the fastening element by the clamping force provided by the spring element provided inside the work spindle.
  • the work tool may be increased in size depending on the place where the stop assembly, the spring element, and the like are arranged.
  • an object of the present invention is to provide a technique capable of suppressing an increase in size of a work tool.
  • the work tool includes a first shaft having a first clamp portion and a second shaft having a second clamp portion, A work tool is configured to drive the tip tool held by the second clamp portion.
  • the first shaft and the second shaft are arranged in parallel to each other in the axial direction.
  • the second shaft is disposed inside the first shaft.
  • a biasing member that generates a biasing force for holding the second shaft is provided outside the first shaft.
  • the 2nd shaft should just be arrange
  • the first shaft can be made thin. Therefore, the weight of a 1st shaft becomes light and a work tool is reduced in weight. Furthermore, since the first shaft can be made thin, the drive mechanism for driving the first shaft can be reduced in size. As a result, the work tool can be reduced in size.
  • the 1st shaft has the opening part extended in the crossing direction which cross
  • the urging force can be transmitted to the second shaft by the holding member disposed in the opening of the first shaft. Therefore, compared with the structure which arrange
  • biasing member is comprised so that an urging
  • the holding member is configured to hold the second shaft by converting the urging force into a force in a direction toward the second shaft in the crossing direction.
  • the urging member in order to apply the urging force of the urging member in parallel with the axial direction of the first shaft, expands and contracts in the intersecting direction intersecting the axial direction of the first shaft to apply the urging force. Compared to the configuration, it is possible to suppress an increase in the size of the work tool in the cross direction.
  • a holding member engages with the axial direction moving member which can move to the axial direction of a 1st shaft with the urging
  • the holding member converts the urging force into a force in a direction toward the second shaft in the cross direction, so that the cross direction moving member holds the second shaft.
  • the holding member can be formed with a simple configuration in which the two members of the axial direction moving member and the cross direction moving member are engaged.
  • the transition member arrange
  • the biasing force releasing member that engages with the transition member and moves as the displacement member moves is provided.
  • the biasing force release member is configured to release the holding of the second shaft by the holding member when the transition member moves so as to move the first shaft and the second shaft in the axial direction.
  • the biasing member is configured to move.
  • the biasing force is released so as to release the holding of the second shaft by the holding member. Since the release member moves the urging member, the holding of the second shaft by the urging force can be released simultaneously with the relative movement of the first shaft and the second shaft. Therefore, it is not necessary to perform the relative movement of the first shaft and the second shaft and the release of the holding of the second shaft by different operations, and the tip tool can be easily removed. Furthermore, the tip tool can be exchanged without using a special tool.
  • the work tool which concerns on this invention, it has a supporting member which supports a 1st shaft rotatably. And the 1st shaft is supported by the supporting member at two places in the axial direction. Further, the urging member has one end in contact with the support member and is rotatably held together with the first shaft.
  • the support member that supports the first shaft can be used as a pedestal that holds the biasing member. Therefore, the number of parts of the work tool can be reduced. As a result, the work tool can be reduced in size.
  • the first shaft having the first clamp portion, the second shaft having the second clamp portion, and the direction in which the first clamp portion and the second clamp portion are close to each other.
  • the working tool is configured to drive the tip tool sandwiched between the first clamp portion and the second clamp portion.
  • the first shaft and the second shaft are arranged in parallel to each other in the axial direction.
  • the second shaft is disposed inside the first shaft.
  • the first shaft is rotatably supported by two support members at two locations in the axial direction.
  • the urging member is disposed between the two support members in the axial direction.
  • the 2nd shaft should just be arrange
  • the biasing member is disposed between the two support members in the axial direction of the first shaft.
  • the space between the supporting members in the axial direction tends to be a dead space. Therefore, in this invention, a working tool can be reduced in size by utilizing a dead space effectively.
  • the biasing member is arrange
  • the biasing member is disposed outside the first shaft, so that the first shaft can be made thinner than the configuration in which the biasing member is disposed inside the first shaft. it can.
  • the weight of a 1st shaft becomes light and a work tool is reduced in weight.
  • the drive mechanism for driving the first shaft can be reduced in size. As a result, the work tool can be reduced in size.
  • the biasing member is held rotatably with the first shaft, with one end abutting the support member.
  • the support member that supports the first shaft can be used as a pedestal that holds the biasing member. Therefore, the number of parts of the work tool can be reduced, and as a result, the work tool can be reduced in size.
  • the biasing member is configured to generate a biasing force for holding the second shaft.
  • the first clamp portion and the second clamp portion can be brought close to each other and the second shaft can be held by the biasing force of the biasing member. That is, since the biasing member has two functions, the number of parts of the work tool can be reduced. As a result, the work tool can be reduced in size.
  • FIG. 2 is a cross-sectional view taken along line II-II in FIG.
  • FIG. 3 is a cross-sectional view taken along line III-III in FIG. It is a perspective view which shows the structure holding a clamp shaft.
  • FIG. 5 is an exploded perspective view of FIG. 4. It is a figure which shows the state in which a cam lever is located in a clamp position. It is a figure which shows the state which a cam lever is located in a release position. It is a fragmentary sectional view of the electric vibration tool which concerns on the modification of this embodiment.
  • Embodiments of the present invention will be described in detail with reference to FIGS.
  • the present embodiment is an example in which the present invention is applied to an electric vibration tool as a work tool.
  • the electric vibration tool 100 selectively attaches a plurality of types of tools such as a blade and a polishing pad, and vibrates the attached tool so that the tool is applied to a workpiece. It is a work tool that performs processing such as cutting and polishing according to the type.
  • a blade 200 as an example of a tool.
  • the tool such as the blade 200 is an implementation configuration example corresponding to the “tip tool” in the present invention.
  • the electric vibration tool 100 is mainly configured by a drive mechanism 102, a tool holding mechanism 103, a tool holding release mechanism 104 and the like housed in a main body housing 101.
  • the drive mechanism 102 is mainly composed of a motor 110, an eccentric shaft 112, a bearing 113, a driven arm 114, and a spindle connecting portion 115.
  • the eccentric shaft 112 is disposed at the tip of the output shaft 111 of the motor 110 so as to extend in a direction parallel to the rotation shaft of the output shaft 111.
  • the eccentric shaft 112 is disposed at a position that is eccentric with respect to the rotation shaft of the output shaft 111.
  • the bearing 113 is attached to the eccentric shaft 112.
  • the driven arm 114 is composed of two arm portions 114 a extending from the spindle connection portion 115 toward the motor 110.
  • the driven arm 114 is arranged such that the two arm portions 114 a come into contact with two opposing locations outside the bearing 113.
  • the main body housing 101 is not shown for convenience of explanation.
  • the tool holding mechanism 103 is a mechanism that holds the blade 200 and transmits the output of the motor 110 to the blade 200 to vibrate the blade 200.
  • the tool holding mechanism 103 is mainly composed of a spindle 120, a clamp shaft 123, and a clamp shaft holding mechanism 130.
  • the spindle 120 is a hollow cylindrical member and is arranged so that the major axis direction extends in a direction intersecting the output shaft 111 of the motor 110.
  • the spindle 120 is supported by the main body housing 101 via bearings 125 and 126 so as to be rotatable around the long axis direction at two locations in the long axis direction.
  • the spindle 120 has a clamp member insertion hole 122a penetrating in the radial direction of the spindle 120 in an intermediate region between the bearings 125 and 126 in the long axis direction.
  • the spindle 120 extends in a direction intersecting the clamp member insertion hole 122a in an intermediate region between the clamp member insertion hole 122a and the bearing 126 in the major axis direction, and is an engagement pin that penetrates in the radial direction of the spindle 120.
  • An insertion hole 122b is formed.
  • a flange 121 is attached to the tip of the spindle 120 outside the main body housing 101.
  • the spindle 120 is an implementation configuration example corresponding to the “first shaft” in the present invention.
  • the bearings 125 and 126 are the implementation structural examples corresponding to the "support member” in this invention.
  • the clamp member insertion hole 122a is an implementation configuration example corresponding to the “opening” in the present invention.
  • the clamp shaft 123 is a substantially cylindrical member.
  • the crankshaft 123 has a clamp head 124 that is integrally formed at one end.
  • the clamp shaft 123 has a plurality of engagement grooves extending in the circumferential direction to engage with the clamp member 131 at the other end.
  • the clamp shaft 123 is disposed inside the spindle 120 in parallel with the long axis direction of the spindle 120 and is slidable inside the spindle 120 in the long axis direction.
  • the clamp shaft 123 is configured to be detachable from the spindle 120.
  • This clamp shaft 123 is an implementation structural example corresponding to the "second shaft" in the present invention.
  • the spindle 120 and the clamp shaft 123 configured as described above are capable of sandwiching the blade 200 between the clamp head 124 and the front end portion of the spindle 120 facing the clamp head 124 and the flange 121.
  • the tip of the spindle 120, the flange 121, and the clamp head 124 are implementation examples corresponding to the “first clamp part” and the “second clamp part” in the present invention, respectively.
  • the clamp shaft holding mechanism 130 is a mechanism that holds the end of the clamp shaft 123 opposite to the clamp head 124.
  • the clamp shaft holding mechanism 130 is mainly composed of a clamp member 131, an O-ring 132, an annular member 133, and a coil spring 134.
  • the member constituting the clamp shaft holding mechanism 120 is an implementation configuration example corresponding to the “holding member” in the present invention.
  • the clamp member 131 is a member that is disposed at two opposing positions in the circumferential direction of the spindle 120 and that is inserted through the clamp member insertion hole 122a of the spindle 120.
  • the clamp member 131 is configured to be movable in the radial direction of the spindle 120 through the clamp member insertion hole 122a.
  • a plurality of convex portions that can be engaged with the engaging grooves of the clamp shaft 123 are formed at positions facing the clamp shaft 123 of the clamp member 131.
  • the clamp member 131 has an inclined surface 131 a that is inclined with respect to the major axis direction of the spindle 120.
  • the inclined surface 131 a is configured to engage with the inclined surface of the annular member 133.
  • An O-ring 132 is disposed outside the clamp member 131.
  • the O-ring 132 urges the clamp member 131 in the radial direction toward the center of the spindle 120.
  • the convex part formed in the clamp member 131 is configured to be engaged with the engagement groove of the clamp shaft 123 and hold the clamp shaft 123.
  • the O-ring 132 not only applies an urging force for holding the clamp shaft 123 to the clamp member 131, but also when the clamp member 131 does not hold the clamp shaft 123, An urging force for maintaining the posture is applied to the clamp member 131.
  • This clamp member 131 is an implementation structural example corresponding to the “cross direction moving member” in the present invention.
  • the annular member 133 is an annular member arranged so as to surround the outer side of the clamp member 131 in the radial direction of the spindle 120.
  • the annular member 133 is configured to be movable in the long axis direction of the spindle 120.
  • the annular member 133 is formed with an inclined surface that engages with the inclined surface 131 a of the clamp member 131.
  • a coil spring 134 is disposed between the annular member 133 and the bearing 126. The coil spring 134 is in contact with the annular member 133 and the bearing 126, and is disposed in parallel with the major axis direction of the spindle 120.
  • the annular member 133 is held in a state of being biased in the major axis direction of the spindle 120 by the biasing force of the coil spring 134. Accordingly, the annular member 133 is engaged with the inclined surface 131 a of the clamp member 131 and biases the clamp member 131 in the radial direction of the spindle 120. That is, the clamp member 131 is configured to move in the radial direction of the spindle 120 by the engagement of the inclined surfaces of the clamp member 131 and the annular member 133.
  • This annular member 133 is an implementation configuration example corresponding to the “axially moving member” in the present invention.
  • the clamp member 131 is biased in the radial direction of the spindle 120 by the O-ring 132 and holds the clamp shaft 123.
  • the annular member 133 urged by the coil spring 134 is engaged with the inclined surface 131 of the clamp member 131, thereby converting the urging force of the coil spring 134 into the urging force in the radial direction of the spindle 120.
  • the coil spring 134 biases the clamp member 131 in the radial direction of the spindle 120 and holds the clamp shaft 123. That is, the clamp shaft 123 is held by the urging force of the O-ring 132 and / or the urging force of the coil spring 134.
  • the O-ring 132 and the coil spring 134 are an implementation configuration example corresponding to the “biasing member” in the present invention.
  • the coil spring 134 urges the clamp shaft holding mechanism 130 toward the side (downward) opposite to the side (downward) where the blade 200 is held in the major axis direction of the spindle 120. That is, the coil spring 134 holds the clamp shaft 123 via the clamp member 131 by an urging force and urges the clamp shaft 123 upward. As a result, the clamp head 124 is biased in the direction approaching the spindle 120 and the flange 121. As a result, the blade 200 is sandwiched between the flange 121 and the clamp head 124.
  • the tool holding release mechanism 104 is a mechanism for releasing the holding of the clamp shaft 123 held by the clamp shaft holding mechanism 130. By releasing the holding of the clamp shaft 123, the blade 120 sandwiched between the spindle 120 and the clamp shaft 123 can be attached and detached.
  • the tool holding release mechanism 104 is mainly composed of a thrust pin 140, an engagement pin 141, a clamp shaft holding release member 142, and a cam lever 150.
  • the thrust pin 140 is disposed inside the spindle 120 so as to be slidable in the long axis direction of the spindle 120.
  • the engagement pin 141 is inserted through the engagement pin insertion hole 122b of the spindle 120. As shown in FIG. 5, the engagement pin 141 is engaged with the clamp shaft holding / release member 142.
  • the engagement pin 141 is configured to move in contact with the thrust pin 140 as the thrust pin 140 moves.
  • This thrust pin 140 is an implementation configuration example corresponding to the “transition member” in the present invention.
  • the clamp shaft holding release member 142 is a cylindrical member that surrounds the outer periphery of the spindle 120.
  • the clamp shaft holding / releasing member 142 is configured to be movable in the longitudinal direction of the spindle 120 together with the engagement pin 141.
  • the clamp shaft holding release member 142 is integrated with the annular member 133 of the clamp shaft holding mechanism 130. Accordingly, the clamp shaft holding / releasing member 142 is configured to be movable in the major axis direction of the spindle 120 together with the annular member 133.
  • the cam lever 150 is a member that contacts the thrust pin 140 and slides the thrust pin 140 in the long axis direction of the spindle 120.
  • the cam lever 150 is mainly composed of a lever portion 151, a turning shaft 152, and an eccentric portion 153.
  • the lever portion 151 is configured to be capable of turning around a turning shaft 152 orthogonal to the major axis direction of the spindle 120.
  • An eccentric portion 153 that can contact the thrust pin 140 is provided around the pivot shaft 152.
  • the center position of the eccentric portion 153 is arranged eccentric with respect to the axis center of the turning shaft 152. Thereby, each location of the outer peripheral part of the eccentric part 153 is comprised so that the distance from the axial center of the rotating shaft 152 may mutually differ.
  • the eccentric portion 153 contacts the thrust pin 140.
  • the eccentric portion 153 when the lever portion 151 is pivoted and the lever portion 151 is positioned in a direction opposite to the clamp position from the pivot shaft 152 (hereinafter referred to as a release position), the eccentric portion 153. Is in contact with the thrust pin 140. That is, by turning the lever portion 151 from the clamp position to the release position, the eccentric portion 153 contacts the thrust pin 140 on the way to the release position.
  • the eccentric portion 153 is configured to move the thrust pin 140 downward by further turning the lever portion 151 toward the release position from the position where the eccentric portion 153 contacts the thrust pin 140.
  • the tool holding release mechanism 104 configured as described above turns the cam lever 150 from the clamp position to the release position and slides the thrust pin 140, whereby the engagement pin 141 and the clamp shaft holding release member 142 are moved to the spindle 120. It moves downward in the major axis direction. At this time, the clamp shaft holding / releasing member 142 moves together with the annular member 133 downward in the long axis direction of the spindle 120 to move the clamp member 131 in the long axis direction of the spindle 120.
  • the clamp shaft holding / releasing member 142 moves together with the annular member 133 downward in the longitudinal direction of the spindle 120, so that the relationship between the inclined surface of the annular member 133 and the clamp member 131 is increased.
  • the match is released.
  • transmission of the urging force of the coil spring 134 to the clamp member 131 is released. That is, the urging force of the coil spring 134 acting on the clamp shaft 123 is released.
  • the holding of the clamp shaft 123 can be released.
  • the blade 200 can be removed by removing the clamp shaft 123 from the spindle 120.
  • the engagement pin 141 and the clamp shaft holding / releasing member 142 are an implementation configuration example corresponding to the “biasing force releasing member” in the present invention.
  • the blade 200 when the blade 200 is mounted, the blade 200 is disposed between the flange 121 and the clamp head 124. Then, with the clamp shaft 123 inserted into the spindle 120, the cam lever 150 is turned from the release position to the clamp position. As the cam lever 150 turns, the thrust pin 140 and the annular member 133 move upward by the biasing force of the coil spring 134. The inclined surface of the annular member 133 and the inclined surface 131a of the clamp member 131 are engaged, and the urging force of the coil spring 134 is converted into the urging force in the radial direction of the spindle 120. As a result, the clamp member 131 is moved toward the radial center of the spindle 120.
  • the convex portion of the clamp member 131 and the engagement groove of the clamp shaft 123 are engaged to hold the clamp shaft 123.
  • the biasing force of the coil spring 134 not only holds the clamp shaft 123 via the clamp member 131 but also moves the clamp shaft 123 upward so that the clamp head 124 approaches the flange 121. Move to.
  • the blade 200 is sandwiched between the flange 121 and the clamp head 124.
  • the rotational movement of the output shaft 111 is indicated by the arrow A by the eccentric shaft 112 and the bearing 113 as shown in FIG. It is converted into a reciprocating motion in a direction (hereinafter referred to as A direction).
  • the reciprocating motion in the A direction is transmitted to the driven arm 114 and forms a predetermined angle in the circumferential direction around the spindle 120 (hereinafter referred to as the B direction) indicated by the arrow B around the spindle connecting portion 115. Converted to rotational motion.
  • the spindle 120 connected to the spindle connecting portion 115 is driven to reciprocate in the B direction.
  • the blade 200 sandwiched between the flange 121 and the clamp head 124 can be vibrated to perform processing such as cutting on the workpiece.
  • the clamp shaft 123 can be removed and the blade 200 can be replaced simply by turning the cam lever 150. That is, the blade 200 can be easily replaced without using a special tool. Further, when the thrust pin 140 moves the clamp shaft 123 downward, the clamp shaft 123 can be released from being held by the clamp member 131 by the clamp shaft holding / release member 142 engaged with the thrust pin 140. Therefore, the clamp shaft 123 can be removed simply by moving the cam lever 150 from the clamp position to the release position. In other words, the blade 200 can be replaced by a simpler operation.
  • the clamp shaft 123 disposed inside the spindle 120 can be held by the urging force of the O-ring 132 or the coil spring 134 disposed outside the spindle 120. Therefore, the spindle 120 can be made thinner than the configuration in which the coil spring 134 is disposed inside the spindle 120. Therefore, the spindle 120 is reduced in weight, and the electric vibration tool 100 can be reduced in weight. Further, by reducing the spindle 120, the weight of the spindle 120 is reduced. Therefore, the spindle 120 can be driven even if the rotational output of the motor 110 is reduced, and the motor 110 can be reduced in size.
  • the clamp shaft 123 is held by the urging force of the O-ring 132 and the urging force of the coil spring 134, the urging force required for each of the O-ring 132 and the coil spring 134 can be appropriately determined. it can. Thereby, the freedom degree of design of a working tool can be raised. Further, since the urging force of the coil spring 134 is applied in parallel to the axial direction of the spindle 120, the extension direction of the coil spring 134 is set to the diameter of the spindle 120 so that the urging force of the coil spring 134 directly acts in the radial direction of the spindle 120. Compared to the configuration matched to the direction, it is possible to suppress an increase in the size of the electric work tool 100 in the radial direction of the spindle 120.
  • the biasing force of the coil spring 134 acting in parallel with the axial direction of the spindle 120 is converted into the radial force of the spindle 120 by the engagement of the inclined surfaces of the clamp member 131 and the annular member 133. be able to.
  • the urging force of the coil spring 134 not only holds the clamp shaft 123 but also urges the clamp head 124 of the clamp shaft 123 in the longitudinal direction of the spindle 120 in a direction close to the flange 121 of the spindle 120. That is, the coil spring 134 has two functions of holding the clamp shaft 123 and urging the clamp shaft 123 in the long axis direction. Thereby, the number of parts of the electric vibration tool 100 can be reduced.
  • the electric vibration tool 100 can be reduced in size.
  • the space between the two bearings in the axial direction of the rotating member tends to be a dead space anyway. Therefore, according to the present embodiment, the coil spring 134 is disposed between the bearings 125 and 126 in the long axis direction of the spindle 120, and the dead space can be effectively used. Thereby, the electric vibration tool 100 can be reduced in size.
  • the flange 121 is separate from the spindle 120 and is configured to be attached to the spindle 120.
  • the flange 121 may be configured integrally with the spindle 120.
  • the clamp head 124 is configured integrally with the clamp shaft 123, but the clamp head 124 may be configured to be attached to the clamp shaft 123 separately from the clamp shaft 123.
  • both the tip of the spindle 120 and the flange 121 sandwich the blade 200 together with the clamp head 124, but either the tip of the spindle 120 or the flange 121 faces the clamp head 124. Then, the blade 200 may be clamped. That is, the blade 200 may be sandwiched between the flange 121 and the clamp head 124. On the other hand, the flange 121 may not be provided, and the blade 200 may be sandwiched between the tip of the spindle 120 and the clamp head 124.
  • the O-ring 132 and the coil spring 134 urge the clamp member 132 in the radial direction of the spindle 120, but the present invention is not limited to this.
  • only one of the O-ring 132 and the coil spring 134 biases the clamp member 132, and the other of the O-ring 132 and the coil spring 134 may not be provided.
  • the configuration is not limited to the configuration in which the clamp shaft holding mechanism 130 is provided so that the urging force of the coil spring 134 holds the clamp shaft 123. That is, the coil spring 134 may be configured to urge the clamp shaft 123 in the direction in which the clamp head 124 approaches the flange 121 without holding the clamp shaft 123.
  • the blade 200 is used as the tip tool.
  • another type of tip tool such as the polishing pad 201 may be attached as the tip tool.
  • the coil spring 134 is used as the biasing member.
  • a configuration in which a plurality of disc springs 135 are stacked as the biasing member may be used.
  • the disc spring 135 may be one.
  • the urging member may be rubber or resin as long as it is a member that generates a restoring force by elastic deformation.
  • the electric vibration tool 100 has been described as the work tool, it is not limited to this.
  • the present invention can also be applied to a work tool that rotates the tip tool, such as a grinder or a circular saw, as long as the work tool holds the tip tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

[Problème] L'invention concerne une technologie permettant de supprimer l'augmentation de la taille d'un outil de travail pour l'alimentation d'un outil de bout intercalé et maintenu. [Solution] Un outil vibrant électrique (100) est conçu de sorte que la force de sollicitation d'un joint torique (132) ou d'un ressort hélicoïdal (134) qui sont positionnés sur l'extérieur d'une tige (120) amène un arbre de serrage (123) positionné sur l'intérieur de la tige (120) à être maintenu. En outre, une broche de poussée (140) qui se déplace grâce à la révolution d'un levier à came (150) provoque la suppression de la force de sollicitation du joint torique (132) ou du ressort hélicoïdal (134) agissant sur l'arbre de serrage (123). Il est par conséquent possible de retirer l'arbre de serrage (123) et de changer une lame (200) sans utiliser d'outil spécifique.
PCT/JP2012/076740 2011-10-19 2012-10-16 Outil de travail WO2013058248A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011229572A JP2013086212A (ja) 2011-10-19 2011-10-19 作業工具
JP2011-229572 2011-10-19

Publications (1)

Publication Number Publication Date
WO2013058248A1 true WO2013058248A1 (fr) 2013-04-25

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JP (1) JP2013086212A (fr)
WO (1) WO2013058248A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903657A (zh) * 2017-02-13 2017-06-30 南京德朔实业有限公司 动力工具
CN111761480A (zh) * 2020-03-30 2020-10-13 浙江博来工具有限公司 一种快速夹紧装置及具有快速夹紧装置的角磨机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6529169B2 (ja) * 2015-08-18 2019-06-12 株式会社マキタ 作業工具

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Publication number Priority date Publication date Assignee Title
JPH01193164A (ja) * 1987-12-08 1989-08-03 Fein Verwaltung Gmbh 自動ロック作用をもつ作動スピンドルを具備する可搬形工作機械
JP2007533472A (ja) * 2004-04-23 2007-11-22 ツェー ウント イー フェイン ゲーエムベーハー 工具用クランプ機器を有するハンドヘルド電動工具

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01193164A (ja) * 1987-12-08 1989-08-03 Fein Verwaltung Gmbh 自動ロック作用をもつ作動スピンドルを具備する可搬形工作機械
JP2007533472A (ja) * 2004-04-23 2007-11-22 ツェー ウント イー フェイン ゲーエムベーハー 工具用クランプ機器を有するハンドヘルド電動工具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903657A (zh) * 2017-02-13 2017-06-30 南京德朔实业有限公司 动力工具
CN106903657B (zh) * 2017-02-13 2019-08-06 南京德朔实业有限公司 动力工具
CN111761480A (zh) * 2020-03-30 2020-10-13 浙江博来工具有限公司 一种快速夹紧装置及具有快速夹紧装置的角磨机
CN111761480B (zh) * 2020-03-30 2021-10-29 浙江博来工具有限公司 一种快速夹紧装置及具有快速夹紧装置的角磨机

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