WO2019220736A1 - Support - Google Patents

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Publication number
WO2019220736A1
WO2019220736A1 PCT/JP2019/007199 JP2019007199W WO2019220736A1 WO 2019220736 A1 WO2019220736 A1 WO 2019220736A1 JP 2019007199 W JP2019007199 W JP 2019007199W WO 2019220736 A1 WO2019220736 A1 WO 2019220736A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
housing
support shaft
space
peripheral surface
Prior art date
Application number
PCT/JP2019/007199
Other languages
English (en)
Japanese (ja)
Inventor
慶太 栗原
橋本　錦児
Original Assignee
Dmg森精機株式会社
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 Dmg森精機株式会社 filed Critical Dmg森精機株式会社
Priority to DE112019002480.9T priority Critical patent/DE112019002480T5/de
Publication of WO2019220736A1 publication Critical patent/WO2019220736A1/fr

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Classifications

    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/28—Means for securing sliding members in any desired position
    • B23Q1/287—Means for securing sliding members in any desired position using a hydraulically controlled membrane acting directly upon a sliding member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/10—Auxiliary devices, e.g. bolsters, extension members
    • B23Q3/106—Auxiliary devices, e.g. bolsters, extension members extendable members, e.g. extension members
    • B23Q3/108—Auxiliary devices, e.g. bolsters, extension members extendable members, e.g. extension members with non-positive adjustment means
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/89—Use of a hydraulic action

Definitions

  • the present invention relates to a support for appropriately supporting an object to be supported on a base.
  • Patent Document 1 a hydraulic work support device for machine tools disclosed in the following Japanese Patent Application Laid-Open No. 11-347867 (Patent Document 1) has been known as one of the above-mentioned supports.
  • the hydraulic work support device includes a support body, and a collet having a plug body portion that closes the bottom opening of the cylinder cylinder body is attached to the cylinder body of the support body, and the collet is floated by a biasing force of a spring. The lower part of the support rod is fitted.
  • a cylinder body is provided with a slide body that is externally fitted to the collet and tightens or loosens the collet with respect to the support rod, and a clamp spring that biases the slide body in a direction to narrow the collet.
  • a hydraulic working chamber that is fitted to the upper part of the cylinder body and that applies hydraulic pressure to the slide body is formed below the slide body so as to release the collet constriction, and a supply port that supplies hydraulic pressure to the hydraulic working chamber at the time of unclamping Provided on the support body.
  • the slide body is configured to clamp the support rod to the support body by the clamp spring, and the hydraulic pressure supplied to the hydraulic operation chamber by unclamping the support rod. Therefore, the support rod is not inadvertently unclamped due to a hydraulic trouble as in the prior art, and the cutting accuracy can be reliably achieved.
  • the hydraulic pressure is only used when the support body is unclamped, and is not required during cutting. Therefore, the hydraulic pressure can be removed by a one-touch joint, and hydraulic piping or Since there is no need to lay a hydraulic hose, there is an effect that the chip is not damaged, and there is no need to perform the removal work of the chip. Further, the one-touch joint allows the hydraulic hose and the supply port to be connected. It can be easily detached and attached, so that the workability due to unclamping is not reduced.
  • the slide body is urged downward by the clamp spring, and the support rod is clamped by moving the slide body downward by this urging force.
  • the support rod is urged downward by the behavior of the clamp spring, such as when the spring slides against the support rod, and the upper end surface (support surface) of the support rod moves away from the workpiece during clamping, that is, the support rod supports the workpiece.
  • the support rod supports the workpiece.
  • the present invention has been made in view of the above circumstances, and it is unnecessary to supply pressure oil using a hydraulic hose as in the prior art, and further, it is possible to provide a support that can reliably support an object to be supported. Is the purpose.
  • the present invention for solving the above problem is a support tool for supporting the supported object on a base on which the supported object is placed,
  • a hollow cylindrical housing having an opening at one end and a fixing portion for fixing the other end on the base at the other end;
  • a support shaft that is movably inserted along the axis of the hollow portion of the housing;
  • a biasing mechanism that is provided in the hollow portion of the housing and biases the support shaft toward the one end side of the housing;
  • the housing has a cylindrical space formed along an inner peripheral surface thereof in a thick portion between the inner peripheral surface and the outer peripheral surface, and a working liquid is sealed in the space.
  • the housing is provided with a pressurizing mechanism for pressurizing the working liquid in the space,
  • the housing is configured such that when the working liquid is pressurized by the pressurizing mechanism, a portion on the inner peripheral surface side from the space is elastically deformed toward the center side to grip the support shaft.
  • the support of this aspect (first aspect) is used to support the object to be supported on the base as appropriate.
  • a plurality of the supports are appropriately disposed on the base, and the other of the housings A supported object is placed on each of the support shafts with the end fixed on the base. At that time, pressurization of the working liquid by the pressurizing mechanism is released.
  • each support shaft When the supported object is placed, each support shaft receives a load acting due to the gravity of the supported object and moves downward, and the urging force of each urging mechanism and the load caused by the gravity of the supported object are generated. It stops at the balance, that is, it is in an equilibrium state.
  • each housing After reaching the equilibrium state in this way, the working liquid sealed in the cylindrical space of each housing is pressurized by a corresponding pressurizing mechanism. As a result, a portion of each housing that is closer to the inner peripheral surface than the space is elastically deformed toward the center, and each support shaft is gripped by such elastic deformation of the housing, and the support shaft is fixed to the housing. On the other hand, by releasing the pressurization of the working liquid by the pressurizing mechanism, the holding and fixing of the support shaft by the housing are released.
  • the support shaft can be fixed to the housing by pressurizing the working liquid sealed in the cylindrical space of the housing with the pressurizing mechanism.
  • the support shaft is fixed (clamped) and released (clamped). Unclamping) can be performed in a short time.
  • the support shaft is gripped by elastically deforming the portion on the inner peripheral surface side from the space of the housing toward the center, and the support shaft is fixed to the housing. A force that moves in the axial direction does not act on the support shaft. For this reason, the support shaft can be fixed in a state where the support shaft is securely in contact with the supported object, and when the supported object is clamped appropriately using a clamp jig, clamping distortion occurs in the supported object. Can be prevented.
  • the housing has a hollow outer cylindrical member having an opening at one end and a fixing portion for fixing the other end on the base at the other end, and both ends open, and the outer cylinder
  • a hollow inner cylinder member fixed to the outer cylinder member in a state of being inserted into the hollow portion of the member,
  • the support shaft is inserted into the hollow portion of the inner cylinder member so as to be movable along the axis thereof,
  • the urging mechanism is provided in a hollow portion of the outer cylinder member
  • the inner cylinder member has a cylindrical space formed along the inner peripheral surface in a thick portion between the inner peripheral surface and the outer peripheral surface, and the working liquid is sealed in the space.
  • the inner cylinder member is provided with a pressurizing mechanism for pressurizing the working liquid in the space.
  • the inner cylinder member is configured such that when the working liquid is pressurized by the pressurizing mechanism, a portion on the inner peripheral surface side from the space is elastically deformed toward a center side to grip the support shaft. May be.
  • the working liquid sealed in the space of the inner cylinder member is pressurized by the pressurizing mechanism, so that the portion on the inner peripheral surface side from the space becomes the center side.
  • the support shaft is gripped and fixed to the inner cylinder member by elastic deformation.
  • the inner cylinder member is elastically deformed outwardly from the space when the working liquid is pressurized by the pressurizing mechanism. And it is preferable that it is comprised so that it may press-contact with the internal peripheral surface of the said outer cylinder member.
  • the inner cylinder member is pressed against the outer cylinder member by pressurizing the working liquid by the pressurizing mechanism, so that the support shaft can be more reliably connected to the inner cylinder member and It can fix to the housing comprised from an outer cylinder member.
  • the inner cylinder member has a flange portion at an end opposite to the side inserted into the hollow portion of the outer cylinder member, and the flange portion May be configured to be fixed to the outer cylinder member in contact with the end of the outer cylinder member.
  • the support shaft is securely fixed to the housing. can do.
  • the hollow portion of the housing is a blind hole in which the other end side is sealed.
  • the support of this aspect air is sealed in the hollow portion of the housing, the load of the supported object acts on the support shaft, and this support shaft is in its axis.
  • the internal pressure in the hollow portion increases.
  • foreign matter for example, chips
  • the internal pressure in the hollow portion is increased in this way, foreign matter (for example, chips) is caught in the sliding contact portion between the inner peripheral surface of the hollow portion of the housing and the outer peripheral surface of the support shaft, or the foreign matter enters the hollow portion. Is prevented from entering, and normal axial movement of the support shaft is guaranteed.
  • the hollow portion of the outer cylinder member is a blind hole sealed on the other end side.
  • the entire gripping region corresponding to the space in the inner peripheral surface of the housing is the support shaft. It is preferable that it is comprised so that it may contact
  • the support shaft can be gripped by the entire gripping region of the housing, so that the support shaft can be gripped and fixed using the set maximum gripping ability. And the support shaft can be securely gripped and fixed.
  • the grip when the support shaft is gripped by the inner cylinder member, the grip corresponding to the space in the inner peripheral surface of the inner cylinder member. It is preferable that the entire region is configured to come into contact with the outer peripheral surface of the support shaft.
  • the support shaft can be gripped by the entire gripping region of the inner cylinder member by the support tool of this aspect (eighth aspect), so that the support shaft can be gripped and fixed using the set maximum gripping ability.
  • the support shaft can be securely gripped and fixed.
  • the pressurizing mechanism includes a pressing unit that presses the working fluid in the space, and a driving signal received from the outside to receive the pressing unit. It is preferable that the driving unit is configured to be driven.
  • the support of this aspect by transmitting a driving signal from the outside, the driving part that has received the driving signal drives the pressing part, and the working liquid sealed in each space is supplied.
  • the supporting shaft can be fixed by applying pressure.
  • the support shaft can be automatically fixed.
  • the support shaft can be fixed to the housing by pressurizing the working liquid sealed in the cylindrical space of the housing with the pressurizing mechanism.
  • the support shaft can be fixed (clamped) and released (unclamped) in a short time.
  • the support shaft is gripped by elastically deforming the portion on the inner peripheral surface side from the space of the housing toward the center, and the support shaft is fixed to the housing. A force that moves in the axial direction does not act on the support shaft. For this reason, the support shaft can be fixed in a state where the support shaft is securely in contact with the supported object, and when the supported object is clamped appropriately using a clamp jig, clamping distortion occurs in the supported object. Can be prevented.
  • FIG. 2 is a plan sectional view in the direction of arrow AA in FIG. 1. It is the front sectional view which showed the support tool which concerns on other embodiment of this invention. It is a front sectional view showing a support according to still another embodiment of the present invention.
  • the support tool 10 of this example is used to support a work W when the work W is fixed by a clamp jig 1 on a table T of a machine tool, for example.
  • the clamp jig 1 is screwed onto the table T in a state of passing through the clamp bar 2 and a clamp bar 2 for clamping the workpiece W between one end thereof and the support 10.
  • the clamp bolt 3 includes a nut 4 screwed to the upper end portion of the clamp bolt 3, and an adjustment bolt 6 and a support column 5 that support the other end portion of the clamp bar 2 from below.
  • the adjustment bolt 6 that supports the clamp bar 2 is screwed to a column 5 that is erected on the table T, and the position at which the clamp bar 2 is supported is adjusted by adjusting the screwing position of the adjustment bolt 6. can do.
  • the support 10 of this example includes a housing 11, a support shaft 25, a spring body (compression coil spring) 28 as an urging mechanism, a pressurizing mechanism 30 provided in the housing 11, and the like. Consists of
  • the housing 11 is composed of a hollow outer cylinder 12 whose upper end and lower end are open, and an outer cylinder member which is fixed to the lower end of the outer cylinder 12 by a flat plate screw 17 so as to close the lower end opening. Similarly, both ends are open, and a hollow inner cylinder 20 (inner cylinder member) is fixed to the outer cylinder 12 in a state of being fitted into the hollow portion of the outer cylinder 12.
  • the outer cylinder 12 has a hollow portion having a large-diameter portion 13, a medium-diameter portion 14 and a small-diameter portion 15 which are formed in order from the upper side to the lower side.
  • the fixing plate 16 has bolt holes 18 at four corners.
  • the inner cylinder 20 is fitted into the large-diameter portion 13 of the outer cylinder 12, and includes a flange portion 21 at the end opposite to the side inserted into the outer cylinder 12.
  • the outer cylinder 12 is fixed to the outer cylinder 12 with a mounting bolt (not shown) in contact with the upper end surface of the outer cylinder 12.
  • the inner cylinder 20 includes a cylindrical space 22 formed along the hollow inner peripheral surface 23 in a thick portion between the inner peripheral surface and the outer peripheral surface. Is filled with hydraulic oil.
  • the spring body 28 is disposed in the hollow portion of the outer cylinder 12 in a state of being inserted into the small diameter portion 15 of the outer cylinder 12.
  • the support shaft 25 is fitted into the hollow portion of the inner cylinder 20.
  • the support shaft 25 is in a state in which a projecting portion 25 a formed at a lower end portion thereof is inserted into the spring body 28, and an end surface of the lower end portion is in contact with the spring body 28.
  • the support shaft 25 moves downward by receiving an external force directed downward, and is urged upward by the drag of the spring body 28 generated by the movement.
  • the hollow portion of the outer cylinder 12 into which the inner cylinder 20 is inserted is in a blind hole state. Therefore, in the state where the support shaft 25 is inserted into the hollow portion of the inner cylinder 20, The outer peripheral surface of the support shaft 25 and the inner peripheral surface of the inner cylinder 20 are in sliding contact with each other in an airtight manner. Therefore, when the support shaft 25 moves downward, the internal pressure in the hollow portion of the outer cylinder 12 increases, and as a result, foreign matter such as chips on the sliding contact portion between the inner peripheral surface of the hollow portion of the inner cylinder 20 and the outer peripheral surface of the support shaft 25. Can be prevented from being bitten and foreign matter entering the hollow portion.
  • the support shaft 25 includes a screw hole 25b drilled from the upper end surface so as to be coaxial with the axis thereof, and an adjustment bolt 26 is screwed into the screw hole 25b as shown in FIG. Can be done.
  • the pressurizing mechanism 30 includes a cylinder chamber 31 formed in the inner cylinder 20 so as to communicate with the space 22, a screw hole 32 formed on the outer side of the cylinder chamber 31 and coaxially therewith, Outside the screw hole 32, there is also provided a storage hole 33 formed coaxially therewith, a piston part 36 fitted in the cylinder chamber 31, and a screw shaft part 37 screwed into the screw hole 32.
  • the central axes of the cylinder chamber 31, the screw hole 32, and the storage hole 33 that are formed coaxially are located in a plane perpendicular to the axis of the inner cylinder 20, and are parallel to the tangential direction of the inner peripheral surface 23.
  • the cylinder chamber 31, the screw hole 32, and the storage hole 33 are formed so as to be, but the present invention is not limited to such a mode.
  • the control unit 39 includes a battery, receives a driving signal from the outside, supplies power from the battery to the motor 38, and drives it. For example, when the drive signal is a pressurization signal, the control unit 39 drives the motor 38 so that the pressurization shaft 35 moves to the piston unit 36 side. As a result, the hydraulic oil sealed in the cylinder chamber 31 and the space 22 is pressurized by the pressing action of the piston portion 36.
  • the entire gripping region formed by the space 22 of the inner cylinder 20 is configured to abut on the outer peripheral surface of the support shaft 25.
  • the support shaft 25 can be gripped using all of the set gripping regions, that is, using the set maximum gripping capability, and the support shaft 25 can be securely gripped and fixed. .
  • the control unit 39 drives the motor 38 so that the pressure shaft 35 moves to the screw shaft 37 side.
  • the pressing action of the piston portion 36 is released, and the pressure of the hydraulic oil sealed in the cylinder chamber 31 and the space 22 decreases.
  • the elastically deformed inner cylinder 20 is restored to its original shape, the gripping of the support shaft 25 by the inner cylinder 20 is released, and the support shaft 25 can be moved in the vertical direction.
  • the work W is supported on the table T of the machine tool as follows, and the work W supported by the support tool 10 is supported by the clamp jig 1. Clamped.
  • a plurality of supports 10 are arranged at appropriate positions on the table T, and the fixing bolts are appropriately fixed using the bolt holes 18 of the fixing plate 16. Fix by (not shown).
  • the pressurizing mechanisms 30 of all the support tools 10 are in a state where the pressurizing shaft 35 is operated to the release side, and the pressure of the hydraulic oil sealed in the cylinder chamber 31 and the space 22 is reduced. It is in the state that was done. That is, the gripping of the support shaft 25 by the inner cylinder 20 is released.
  • each support shaft 25 receives a load acting on the gravity of the workpiece W and moves downward, and the urging force of each spring body 28 balances the load caused by the gravity of the workpiece W. Stop and reach equilibrium.
  • the adjustment bolt 26 is appropriately rotated in the tightening direction or the extraction direction to adjust the vertical position thereof, and the posture of the workpiece W is adjusted. Adjust.
  • the arrangement of the clamp jig 1 may be performed at an appropriate time as appropriate. That is, it may be before or after the support 10 is arranged, or may be after the support shaft 25 is fixed.
  • the hydraulic oil sealed in the space 22 of the inner cylinder 20 constituting the housing 11 is pressurized by the pressurizing mechanism 30, whereby the support shaft 25 is moved to the housing 11. Therefore, there is no need to supply pressure oil using a hydraulic hose connected to a hydraulic power source as in the prior art, and the operation is simpler than in the prior art. Can be fixed (clamped) and released (unclamped) in a short time.
  • the support shaft 25 is gripped and fixed by elastically deforming the inner peripheral surface portion of the inner cylinder 20 from the space 22 toward the center. Therefore, in the operation of fixing the support shaft 25, the force that moves in the axial direction does not act on the support shaft 25. For this reason, the support shaft 25 can be fixed in a state in which the support shaft 25 is securely in contact with the workpiece W, and when the workpiece W is clamped by using the clamp jig 1, a clamp distortion occurs in the workpiece W. Can be prevented.
  • the portion on the outer peripheral surface side of the space 22 of the inner cylinder 20 is elastically deformed outward and is pressed against the inner peripheral surface of the outer cylinder 12, whereby the inner cylinder 20 and the outer cylinder 12 are integrated with each other. Therefore, the support shaft 25 can be reliably fixed by the housing 11 including the inner cylinder 20 and the outer cylinder 12.
  • the hollow portion of the outer cylinder 12 into which the inner cylinder 20 is inserted is in a blind hole state, and in the state where the support shaft 25 is inserted into the hollow portion of the inner cylinder 20, The cylinder 20 is in a state of being in sliding contact with the inner peripheral surface of the cylinder 20. For this reason, when the support shaft 25 moves downward, the internal pressure in the hollow portion of the outer cylinder 12 increases, whereby foreign matter bites the sliding contact portion between the hollow portion inner peripheral surface of the inner tube 20 and the outer peripheral surface of the support shaft 25. And foreign matter can be prevented from entering the hollow portion. Thus, by such an action, the normal movement of the support shaft 25 is ensured, and the workpiece W can be supported appropriately.
  • the support shaft 25 can be pulled out upward in the axial direction, and if the foreign matter bites into the sliding contact portion or the foreign matter enters the hollow portion, the support shaft 25 is pulled out. This makes it possible to easily remove the foreign matter that has been caught, and to clean the inside of the hollow portion.
  • the support shaft 25 can be automatically fixed and released in each support tool 10 by transmitting a drive signal from the outside. No special work is required for this purpose. In this sense, the support shaft 25 can be fixed and released in a short time. Further, even when the support tool 10 is disposed at a position where it is difficult or impossible to manually operate, the support shaft 25 of the support tool 10 is easily operated by an external operation. be able to.
  • the support 10 is appropriately fixed on the table T with fixing bolts.
  • the present invention is not limited to this, and is shown in FIG.
  • support 10 ' provided with fixing board 16' which has the screw shaft 19 in a lower surface.
  • this support 10 ′ it is fixed on the table T by the screw shaft 19.
  • the outer cylinder 12 and the inner cylinder 20 constituting the housing 11 are separate structures, but the present invention is not limited to this, and as shown in FIG. It is good also as the support tool 10 "provided with the housing 11" comprised from the cylindrical member 12 "integrally formed.
  • This housing 11" was formed along the internal peripheral surface 13 "of the hollow part.
  • a cylindrical space 22 ′′ is provided in a thick portion between the inner peripheral surface and the outer peripheral surface, and hydraulic oil is enclosed in the space 22 ′′.
  • the cylinder chamber 31 of the pressurizing mechanism 30 includes a cylinder chamber 31. It communicates with the space 22 ′′.
  • the position in the thickness direction where the space 22 ′′ is provided is such that when the hydraulic oil sealed in the space 22 ′ is pressurized by the pressurizing mechanism 30, the portion on the inner peripheral surface side of the space 22 ′′ is on the center side. It is set at a position where it can be elastically deformed, and the support shaft 25 is gripped by such elastic deformation.
  • outer cylinder 12 and the fixing plate 16 in FIG. 2 may be integrally formed, and the outer cylinder 12 and the fixing plate 16 ′ in FIG. 4 may be integrally formed. 5 may be integrally formed with the fixing plate 16.
  • the fixing plate 16 'shown in FIG. May be applied.
  • the pressure shaft 35 is rotated by the motor 38 under the control of the control unit 39.
  • the present invention is not limited to this, and the pressure shaft 35 may be manually rotated. good.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jigs For Machine Tools (AREA)
  • Clamps And Clips (AREA)

Abstract

L'invention concerne un support (10) comprenant : un boîtier creux (11), qui a une forme tubulaire ayant une ouverture à une extrémité et une partie fixe (16) à l'autre extrémité ; un arbre de support (25), qui est ajusté dans le creux dans le boîtier (11) de manière à être mobile le long d'un axe de celui-ci ; et un mécanisme de sollicitation, qui est disposé dans le creux dans le boîtier (11) et qui sollicite l'arbre de support (25) vers la première extrémité du boîtier (11). Le boîtier (11) comprend un espace tubulaire (22), qui est formé le long de la surface circonférentielle interne dudit boîtier (11), dans une partie épaisse entre la surface circonférentielle interne et la surface circonférentielle externe. L'espace (22) est rempli d'un fluide de travail et le boîtier (11) est en outre pourvu d'un mécanisme de mise sous pression pour mettre sous pression le fluide de travail dans l'espace (22). Lorsque le fluide de travail est mis sous pression par le mécanisme de mise sous pression, une partie du boîtier (11), plus proche de la surface circonférentielle interne que de l'espace (22), se déforme élastiquement vers le centre pour venir en prise avec l'arbre de support (25).
PCT/JP2019/007199 2018-05-16 2019-02-26 Support WO2019220736A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112019002480.9T DE112019002480T5 (de) 2018-05-16 2019-02-26 Halterung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018094235A JP6539763B1 (ja) 2018-05-16 2018-05-16 支持具
JP2018-094235 2018-05-16

Publications (1)

Publication Number Publication Date
WO2019220736A1 true WO2019220736A1 (fr) 2019-11-21

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DE (1) DE112019002480T5 (fr)
WO (1) WO2019220736A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113649660A (zh) * 2021-07-20 2021-11-16 安徽机电职业技术学院 一种线切割加工直齿轮工装

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278804U (fr) * 1988-12-06 1990-06-18
JPH0359116U (fr) * 1989-10-05 1991-06-11
JPH05296252A (ja) * 1992-04-17 1993-11-09 Nakamura Jikou:Kk 油圧固定フランジ
JPH0640418U (ja) * 1992-10-30 1994-05-31 株式会社中村自工 液圧固定継手
JPH11347867A (ja) * 1998-06-02 1999-12-21 Matsuzaka Tekkosho:Kk 工作機械用油圧ワークサポート装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0278804U (fr) * 1988-12-06 1990-06-18
JPH0359116U (fr) * 1989-10-05 1991-06-11
JPH05296252A (ja) * 1992-04-17 1993-11-09 Nakamura Jikou:Kk 油圧固定フランジ
JPH0640418U (ja) * 1992-10-30 1994-05-31 株式会社中村自工 液圧固定継手
JPH11347867A (ja) * 1998-06-02 1999-12-21 Matsuzaka Tekkosho:Kk 工作機械用油圧ワークサポート装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113649660A (zh) * 2021-07-20 2021-11-16 安徽机电职业技术学院 一种线切割加工直齿轮工装

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JP6539763B1 (ja) 2019-07-03
JP2019198921A (ja) 2019-11-21
DE112019002480T5 (de) 2021-02-25

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