WO2003024668A1 - Etau - Google Patents
Etau Download PDFInfo
- Publication number
- WO2003024668A1 WO2003024668A1 PCT/JP2002/009100 JP0209100W WO03024668A1 WO 2003024668 A1 WO2003024668 A1 WO 2003024668A1 JP 0209100 W JP0209100 W JP 0209100W WO 03024668 A1 WO03024668 A1 WO 03024668A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- movable
- clamp member
- fixed
- work
- base member
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/06—Arrangements for positively actuating jaws
- B25B1/10—Arrangements for positively actuating jaws using screws
- B25B1/12—Arrangements for positively actuating jaws using screws with provision for disengagement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B1/00—Vices
- B25B1/06—Arrangements for positively actuating jaws
- B25B1/18—Arrangements for positively actuating jaws motor driven, e.g. with fluid drive, with or without provision for manual actuation
Definitions
- the present invention relates to a vise, and more particularly to a vise in which a movable clamp member is moved to a predetermined position corresponding to the size of a work, and then the movable clamp member is driven to clamp the work.
- a vise for holding and fixing a workpiece to be machined includes a vice body, a fixed-side clamp member fixed to the vice body, and a movable-side clamp provided opposite to the fixed-side clamp member.
- the movable clamp member is moved closer to the fixed clamp member, and the work is clamped and fixed between the fixed clamp member and the movable clamp member.
- a driving means for moving the movable side clamp member toward and away from the fixed side clamp member a handle attached to the vice is manually rotated, and this rotational force is converted into the driving force in the approaching / separating direction.
- There are mechanical mechanisms that convert and drive the movable side clamp member and hydraulic mechanisms such as hydraulic cylinders and air cylinders.
- a fixed-side clamp member is provided at one end portion of a vice body, A drive block is provided at the other end of the main body, the drive block facing the fixed clamp member.
- driving means such as a cylinder.
- a rack is provided on one side of the vise body, and a claw member that can be engaged with the rack is provided on one side of the drive block.
- the drive block is brought close to the work. The drive block can be positioned at an arbitrary position corresponding to the size of the work by moving the claw member to the rack at the same time as moving to the position.
- the movable clamp member After positioning the drive block, the movable clamp member is driven in the clamping direction by the drive means provided on the drive block, and the block is clamped and fixed between the fixed clamp member and the movable clamp member. .
- the movable clamp member When releasing the fixing of the work, the movable clamp member is driven by the driving means in a direction away from the fixed clamp member (clamp release direction) to release the fixation.
- the drive block is positioned at a position close to the work, and then the movable means can be driven in the clamping direction by the driving means to fix the workpiece, but the drive block is positioned.
- This requires a rack and claw members, and also requires an engagement release mechanism such as a release lever that releases these engagements, which complicates the structure and is disadvantageous in terms of manufacturing cost.
- the drive block is provided with a drive means such as an air cylinder, the drive block has a considerable weight.However, especially when a large number of works are fixed by a plurality of vices, the drive block must be mounted before the work is fixed. Moving the work reduces the efficiency of work fixing work and causes fatigue of workers.
- the vise of the present invention includes a vice body having a base surface on which a work can be set, a fixed clamp member fixedly provided on the vise body, and a predetermined vice approaching / separating while facing the fixed clamp member.
- a movable base member that is disposed in a noise body and has a length in the predetermined direction; and a movable base member that is disposed in the body of the noise and moves the movable base member in the predetermined direction.
- a guide fixing mechanism that can be moved and fixed so that it can be released.
- the movable-side clamp member is fixed to the movable base member by the in-plan fixing mechanism, so that the workpiece is fixed to the movable-side clamp member and the movable-side clamp member. It is strongly pinched and fixed by. Therefore, before the work is fixed, the movable clamp member is moved in a predetermined direction corresponding to the size of the work so that the distance between the fixed clamp member and the movable clamp member is reduced. It is not necessary to increase the stroke of the hydraulic cylinder. To release the work, the hydraulic cylinder drives the movable base member in the direction in which the movable clamp member is separated from the fixed clamp member (clamp release direction) to release the work.
- the movable clamp member when the work is fixed, the movable clamp member is moved in a predetermined direction with respect to the movable base member by the guide fixing mechanism, and the work is substantially moved between the fixed clamp member and the movable clamp member.
- the movable base member After being sandwiched, the movable base member can be fixed to the movable base member, so that the stroke of the fluid pressure cylinder that drives the movable base member in the clamping direction can be reduced. Therefore, the vise can be made compact and the equipment cost is also advantageous.
- the efficiency of work fixing work can be improved, and the burden on workers can be reduced.
- a first selection formed so as to have a plurality of teeth orthogonal to the predetermined direction on a base surface side portion of a movable base member; and a base surface side portion of a movable clamp member.
- a second selection formed in the first selection, a guide groove formed in the movable base member and extending in the predetermined direction, and an anchor slidably disposed in the inner groove.
- a member, and a plurality of ports capable of fixing the movable clamp member to the anchor member in a state where the first and second selections are combined.
- the movable clamp member When the work is fixed, the movable clamp member is separated from the movable base member in a direction away from the base surface while maintaining the connection between the movable clamp member and the anchor member by loosening a plurality of ports. At this time, since the connection between the first selection of the movable base member and the second serration of the movable clamp member is released, the fixation between the movable clamp member and the movable base member is released. Become.
- the anchor member is slidably disposed in the guide groove formed in the movable base member and extending in the predetermined direction, and the anchor member and the movable clamp member are connected by a plurality of ports. Therefore, the movable clamp member can be used together with the anchor member. JP02 / 09100 By moving the movable side clamp member relatively to the work by moving relative to the moving base member, the work can be substantially clamped between the fixed side clamp member and the movable side clamp member.
- the movable clamp member is fixed to the movable base member by fastening multiple ports, and the movable base member is driven by the fluid pressure cylinder in the clamp direction to fix the work. I do.
- the movable base member is driven by the fluid pressure cylinder in the clamp release direction to release the work from being fixed.
- the movable clamp member After the movable clamp member is moved in the predetermined direction with respect to the movable base member, the movable member is moved to the anchor member by a plurality of ports while the first and second selections are combined.
- the movable clamp member By fixing the clamp member, the movable clamp member can be fixed at an arbitrary position on the movable base member according to the size of the work.
- the work can be fixed by substantially clamping the work between the fixed-side clamp member and the movable-side clamp member and then driving the movable-side clamp member with a fluid pressure cylinder.
- the stroke of the fluid pressure cylinder can be reduced. Therefore, the vise can be made compact and the equipment cost is also advantageous.
- the movable clamp member can be fixed at an arbitrary position on the movable base member, and this fixation can be achieved simply by loosening the plurality of ports. Since it can be released, a special mechanism for releasing this fixing is not required, and the structure of the guide fixing mechanism can be simplified. It is also possible to simplify the external shape of the device.
- the movable side clamp member After releasing the fixation of the movable side clamp member by the guide fixing mechanism, the movable side clamp member is moved relative to the movable base member together with the anchor member, and the fixed side clamp member, the movable side clamp member and After the work is substantially held between the first and second serrations, the movable clamp member is fixed to the movable base member by the plurality of ports. Therefore, the same effect as described above can be obtained.
- the hydraulic cylinder is a hydraulic cylinder. Therefore, the fixed side clamp member From the state where the work is almost held between the PC 2/09100 and the movable side clamp member, the movable base member is driven by the hydraulic cylinder, and the work can be strongly held and fixed.
- FIG. 1 is a front view of a vise according to an embodiment of the present invention
- FIG. 2 is a plan view of the vise
- FIG. 3 is a front view (partially sectional view) ′ of the vise
- FIG. FIG. 5 is a cross-sectional view taken along line IV-IV of FIG. 1 (with the workpiece fixed)
- FIG. 5 is a right side view of FIG. 1
- FIG. 6 is a view corresponding to FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- This embodiment is an example in which the present invention is applied to a vertical type vise for fixing a workpiece to be machined on the upper side of a work pallet. It should be noted that the upper, lower, left, right, front and rear in FIG.
- the vice 1 approaches the vice body 2, the fixed-side clamp member 3 fixedly provided at the lower end of the vise body 2, and faces the fixed-side clamp member 3.
- the vise 1 is provided with a movable clamp member 4 that can be moved in the vertical direction and is separated from each other. The vise 1 fixes the work 5 by sandwiching the work 5 between the fixed clamp member 3 and the movable clamp member 4.
- the vice 1 further includes a movable base member 10 disposed in the vise body 2 and having a length in the up-down direction, and a movable base member 10.
- a hydraulic cylinder 11 (fluid pressure cylinder) that can be driven up and down, a guide mechanism 12 that guides the movable base member 10 to the vice body 2 so that it can move vertically, and a movable clamp member 4
- a guide fixing mechanism 13 capable of guiding the movable base member 10 to be movable in the up-down direction with respect to the movable base member 10 and fixing the movable base member 10 to be releasable.
- the vice main body 2 has a substantially quadrangular prism shape extending in the vertical direction. 0 is formed. As shown in FIG. 2 to FIG. PT / JP02 / 09100
- a guide groove 51 of a vertically extending guide mechanism 12 is formed inside the portion 3 so as to be open forward, and a cylinder hole of a hydraulic cylinder 11 is formed inside a lower end portion of the vice body 2.
- 30 is formed to be open at the lower end, and the guide groove 51 and the cylinder hole 30 are connected by a communication hole 21.
- a mounting groove 22 extending vertically and a mounting groove 23 extending forward and backward are formed on both left and right sides of the vice body 2, and two key members 2 for positioning are provided on the rear surface of the vice body 2. 4 are also provided.
- the vise body 2 is fixed to the upper surface of the work pallet 6 by mounting brackets 25 in left and right mounting grooves 23.
- the fixed-side clamp member 3 is a substantially rectangular parallelepiped member.
- the fixed-side clamp member 3 is fixed to the front portion of the lower end of the vice main body 2 with four ports 26.
- a receiving surface 27 for receiving the work is formed on the upper end surface of the fixed-side clamp member 3. When the workpiece 5 is fixed, the work 5 is placed on the receiving surface 27.
- the movable-side clamp member 4 is also a substantially rectangular parallelepiped member.
- the movable-side clamp member 4 can be fixed to the anchor member 56 of the guide fixing mechanism 13 at the center in the left-right direction by means of upper and lower bolts 57. It can be fixed and can be removed as shown in Figure 3.
- a pressing surface 28 for holding and fixing the workpiece 5 in cooperation with the receiving surface 27 is formed on the lower end surface of the movable-side clamp member 4.
- a second serration 54 of a guide fixing mechanism 13 described later is formed on the rear side of the movable clamp member 4. As shown in FIGS.
- the hydraulic cylinder 11 has a cylinder hole 30, a piston member 31 as an output member, a clamp-side oil chamber 32 for generating a clamping force, and a clamping release force. It is provided with a clamp release side oil chamber 33 to be generated.
- An end wall member 34 for closing the cylinder hole 30 is fitted into a lower end of the cylinder hole 30, and the end wall member 34 is fixed to the vice main body 2 by a plurality of ports 35.
- an annular member 36 is mounted so as to fit inside.
- the piston member 31 is formed by integrally forming a piston 37 and a piston rod 38.
- the piston 37 is slidably fitted in the cylinder hole 30, and a seal member 39 is attached to the piston 37.
- the piston rod 38 has an upper half small diameter portion 38a and a lower half large diameter portion 38b, and the small diameter portion 38a And is connected to the lower end of the movable base member 10 by a port 40, and the large-diameter portion 38b is disposed inside the cylinder hole 30 so as to slidably pass through the annular member 36. are doing.
- a seal member 41 is mounted between the large diameter portion 38 b and the annular member 36, and a seal member 42 is also mounted between the annular member 36 and the cylinder hole 30.
- a dust seal 43 is mounted on the inner peripheral surface of the upper end of the annular member 36 to prevent dust and chips from entering the cylinder hole 30 from the communication hole 21.
- a cylinder-side oil chamber 32 is formed by the cylinder hole 30 and the annular member 36, and hydraulic pressure is supplied to the clamp-side oil chamber 32 via a hydraulic port 44 and an oil passage 45. Supplied.
- the cylinder hole 30 and the end wall member 34 form an unclamping-side oil chamber 33.
- a hydraulic port 46 oil Hydraulic pressure is supplied via road 47.
- the movable base member 10 is a columnar member having a predetermined length in the vertical direction, and the movable base member 10 is disposed in the vice body 2. I have. Projections 50 extending in the up-down direction are formed on both left and right sides of the movable base member 10. On the front side of the movable base member 10, a first serration 53 and a guide groove 55 of a guide fixing mechanism 13 described later are formed.
- the guide mechanism 12 includes a guide groove 51 formed inside the noise body 2, and the inner groove 51 extends a predetermined length in the vertical direction, and is provided on both left and right sides of the inner portion of the guide groove 51. Is formed such that an engaging groove 51 a with which the protruding portion 50 can be engaged extends vertically.
- the movable base member 10 is slidably disposed in the guide groove 51 in a state where the protrusion 50 is engaged with the engagement groove 51 a.
- the movable base member 1 is moved by the hydraulic cylinder 11.
- the guide mechanism 12 guides the movable base member 10 to the vice body 2 so as to be movable in the up and down direction.
- the guide fixing mechanism 13 includes a first selection 53 formed to have a plurality of teeth in the left-right direction at a front portion of the movable base member 10, and a first selection 53 at a rear portion of the movable clamp member 4.
- a second selection 5 4 formed to be compatible with 1 selection 5 3,
- a guide groove 55 formed in the moving base member 10 and extending vertically, an anchor member 56 slidably disposed in the guide groove 55, first and second selections 53, 5 4 are provided with two ports 57 capable of fixing the movable-side clamp member 4 to the anchor member 56 in a state where they are combined.
- the first serration 53 is formed in the front part of the movable base member 10 over the entire length in the vertical direction.
- the second selection 54 is formed at the rear side of the movable clamp member 4 over the entire length in the vertical direction.
- the vertical cross section of each of the first and second serrations is formed in a triangular wave shape.
- the guide groove 55 is formed in the front part of the movable base member 10 so as to be open forward, and the guide groove 55 has a T-shaped horizontal cross-sectional shape.
- the vertical length of 55 is the same as the vertical length of the first selection 53.
- the vertical length of the anchor member 56 is substantially the same as the vertical length of the movable clamp member 4, the horizontal cross-sectional shape of the anchor member 56 is formed in a T-shape, and the anchor member 56 is a guide groove. 55 guides the movable base member 10 so that it can move vertically.
- the movable clamp member 4 can be fixed to the anchor member 56 so as to be releasable by two upper and lower ports 57.
- the movable side clamp member 4 is connected to the anchor member 5 in a state where the first and second selections 53, 54 are combined. 6 is fixed with two ports 5 7, and the movable side clamp member 4 is It is in a state of being fixed to the support member 10. From this state, for example, when fixing a work 5 whose length in the vertical direction is shorter than the initial separation distance between the fixed-side clamp member 3 and the movable-side clamp member 4, the workpiece 5 is positioned on the base surface. After setting the workpiece 5 so that the workpiece 20 contacts the receiving surface 27, the two ports 57 are loosened to maintain the state where the movable clamp member 4 and the anchor member 56 are connected.
- the clamp member 4 is moved forward away from the movable base member 10, the first and second serrations 53, 54 are released, and the movable clamp member 4 and the movable base member 10 are fixed. To release. After releasing the fixation of the movable side clamp member 4, manually move the movable side clamp member 4 together with the anchor member 5 6 relative to the movable base member 10 according to the length of the work 5 in the vertical direction. The movable side clamp member 4 approaches the work 5 so that the fixed side clamp member 3 and the movable side clamp member 4 substantially clamp the work 5. After that, the first and second serrations 53 and 54 are combined, and then the two ports 57 are fastened to fix the movable clamp member 4 to the movable base member 10.
- the oil pressure in the oil chamber 32 on the clamp side is discharged, and the oil pressure is supplied to the oil chamber 33 on the clamp side to generate a clamp release force.
- the piston 37 is pushed up, the movable base member 10 is also driven upward, so that the movable clamp member 4 is also driven upward, and the work 5 is released from being fixed. .
- the movable clamp member 4 is once moved upward, the work 5 is set, and then the movable clamp member 4 is moved downward. Work 5 can be pinched.
- the movable-side clamp member 4 By fixing the movable-side clamp member 4 to the anchor member 56 with the two ports 57 in a state where the first and second selections 53, 54 are combined, the movable-side clamp member 4 is provided. Can be fixed to an arbitrary position of the movable base member 10 according to the size of the work 5. Therefore, for the work 5 of various sizes, the work 5 is substantially sandwiched between the fixed-side clamp member 3 and the movable-side clamp member 4 and then the movable-side clamp member 4 is driven downward by the hydraulic cylinder 11. Since the work 5 can be fixed, the stroke of the hydraulic cylinder 11 can be reduced. Therefore, the device 1 can be made compact, which is advantageous in terms of equipment cost.
- the work 5 before the work 5 is fixed, the work 5 can be almost clamped between the fixed-side clamp member 3 and the movable-side clamp member 4 only by moving the relatively light movable-side clamp member 4 alone.
- the efficiency of the work for fixing the work 5 can be improved, and the burden on the worker can be reduced.
- the two clamps 57 are fastened to move the movable clamp member 4 to an arbitrary position on the movable base member 10. It can be fixed and can be released simply by loosening the two ports 57.Therefore, there is no need for a special mechanism to release this fixing, and the structure of the guide fixing mechanism 13 can be simplified. . Furthermore, the vice 1 can be made to have a simple outer shape, and chips and the like generated by machining can be easily removed from the vise 1.
- the fixed-side clamp member 3 and the movable-side clamp member 4 may have various shapes corresponding to the shape of the workpiece 5 to be fixed. These can be replaced simply by removing the ports 26 and 57, making the replacement relatively easy.
- An air cylinder may be used as the fluid pressure cylinder for driving the movable pace member 10.
- the present invention is applied to the vertical type vise. However, the present invention can be applied to a horizontal type vise.
- the first and second serrations 53, 54 are not limited to those in the above-described embodiment, but can be combined with each other to position the movable clamp member 4 on the movable base member 10. Any shape can be adopted as long as the vertical cross-sectional shape is a sawtooth shape. 02 09100
- the present invention is not limited to the above-described embodiments, and those skilled in the art can add various modifications to the above-described embodiments without departing from the spirit of the present invention. Yes, and the present invention covers these modifications. Industrial applicability
- the vise of the present invention is applied to a work fixing device for fixing a work to be cut by various machine tools having a main shaft in a horizontal posture or a main shaft in a vertical posture, a work fixing vise provided in a work pallet, or the like. can do.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/488,240 US20040207138A1 (en) | 2001-09-14 | 2002-09-06 | Vice |
EP20020798808 EP1437198A1 (en) | 2001-09-14 | 2002-09-06 | Vice |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001279621A JP4744039B2 (ja) | 2001-09-14 | 2001-09-14 | バイス |
JP2001-279621 | 2001-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003024668A1 true WO2003024668A1 (fr) | 2003-03-27 |
Family
ID=19103778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/009100 WO2003024668A1 (fr) | 2001-09-14 | 2002-09-06 | Etau |
Country Status (4)
Country | Link |
---|---|
US (1) | US20040207138A1 (ja) |
EP (1) | EP1437198A1 (ja) |
JP (1) | JP4744039B2 (ja) |
WO (1) | WO2003024668A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04102745U (ja) * | 1991-02-08 | 1992-09-04 | 三菱自動車工業株式会社 | 空圧式挟持装置 |
JPH0624707B2 (ja) * | 1990-06-19 | 1994-04-06 | 光男 泉 | バイス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5324013A (en) * | 1993-01-05 | 1994-06-28 | Marino Michael L | Clamping mechanism |
ES2179814T3 (es) * | 1999-05-06 | 2003-02-01 | Triag Ag | Dispositivo de sujecion multiple de graduacion rapida. |
DE10025402B4 (de) * | 2000-05-23 | 2010-03-25 | Georg Kesel Gmbh & Co. Kg | Spannvorrichtung, insbesondere Maschinenschraubstock mit Schnellspanneinrichtung |
US6409161B1 (en) * | 2001-02-22 | 2002-06-25 | Parlec, Inc. | Double station hydraulically operated machining vise |
-
2001
- 2001-09-14 JP JP2001279621A patent/JP4744039B2/ja not_active Expired - Fee Related
-
2002
- 2002-09-06 US US10/488,240 patent/US20040207138A1/en not_active Abandoned
- 2002-09-06 EP EP20020798808 patent/EP1437198A1/en not_active Withdrawn
- 2002-09-06 WO PCT/JP2002/009100 patent/WO2003024668A1/ja not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0624707B2 (ja) * | 1990-06-19 | 1994-04-06 | 光男 泉 | バイス |
JPH04102745U (ja) * | 1991-02-08 | 1992-09-04 | 三菱自動車工業株式会社 | 空圧式挟持装置 |
Also Published As
Publication number | Publication date |
---|---|
US20040207138A1 (en) | 2004-10-21 |
JP2003089068A (ja) | 2003-03-25 |
EP1437198A1 (en) | 2004-07-14 |
JP4744039B2 (ja) | 2011-08-10 |
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