WO2006046420A1 - Support de piece - Google Patents

Support de piece Download PDF

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Publication number
WO2006046420A1
WO2006046420A1 PCT/JP2005/018974 JP2005018974W WO2006046420A1 WO 2006046420 A1 WO2006046420 A1 WO 2006046420A1 JP 2005018974 W JP2005018974 W JP 2005018974W WO 2006046420 A1 WO2006046420 A1 WO 2006046420A1
Authority
WO
WIPO (PCT)
Prior art keywords
throttle
working chamber
support rod
chamber
piston
Prior art date
Application number
PCT/JP2005/018974
Other languages
English (en)
Japanese (ja)
Inventor
Gaku Yoshimura
Original Assignee
Kosmek Ltd.
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 Kosmek Ltd. filed Critical Kosmek Ltd.
Priority to JP2006542952A priority Critical patent/JPWO2006046420A1/ja
Publication of WO2006046420A1 publication Critical patent/WO2006046420A1/fr

Links

Classifications

    • 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
    • B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers

Definitions

  • the present invention relates to a work support, and more specifically to a technique for supporting a work machined by a machine tool.
  • Patent Document 1 Japanese JP 2002-283161 A
  • the conventional work support is structured as follows.
  • the second working chamber is formed in the bottom of the housing and communicates with a hydraulic port provided in the bottom wall of the receiving hole.
  • Patent Document 1 Japanese Patent Laid-Open No. 2002-283161
  • An object of the present invention is to provide a work support capable of solving the above-mentioned problems.
  • the work support is configured as follows.
  • the housing 3 mounted in the receiving hole la of the fixed block 1, the support rod 8 inserted into the housing 3 so as to be able to advance and retreat in the axial direction, and the pressure fluid supplied so as to lock the support rod 8. 1 has a working chamber 23 and a second working chamber 36 to which a pressure fluid is supplied so that the support rod 8 can advance in the axial direction.
  • the second working chamber 36 and the throttle chamber 47 are sequentially arranged in the bottom direction.
  • a throttle member 48 having a throttle path 51 is attached to the throttle chamber 47.
  • the second working chamber 36 is configured to be able to communicate with the fluid port P provided in the bottom wall lb of the accommodation hole la through the throttle path 51.
  • the present invention has the following effects.
  • the pressure fluid of the pressure source When supplying the pressure fluid to the second working chamber, the pressure fluid of the pressure source is supplied to the fluid port provided in the bottom wall of the accommodation hole. Then, the pressure fluid is gently supplied to the second working chamber through the throttle path of the throttle member attached to the bottom of the housing.
  • the present invention does not require a throttle valve in the middle of the pressure pipe connected to the fluid port. Therefore, it is possible to save the trouble of attaching the throttle valve as described above, and the piping system becomes compact by omitting the throttle valve.
  • the throttle member 48 is detachably attached to the throttle chamber 47.
  • a diaphragm member having a desired diaphragm resistance can be manufactured by changing the cross-sectional area and length of the diaphragm path. Therefore, by replacing the throttle member, the supply speed of the pressure fluid from the fluid port to the second working chamber can be set to a desired value.
  • the second working chamber 36 may be communicated with the first working chamber 23 via another throttle path 52 provided in the throttle member 48.
  • the pressure increase in the first working chamber is delayed from the pressure increase in the second working chamber. Therefore, the advancement operation and the locking operation of the support rod can be reliably separated.
  • the work support of the present invention is preferably configured as follows.
  • a collet 11 externally fitted to the support rod 8 a transmission tool 15 externally fitted with a taper gap 17 in the collet 11, an intermediate member 18 inserted into the taper gap 17, the transmission tool 15 and A first piston 22 for reducing the diameter of the collet 11 via an intermediate member 18, the first working chamber 23 to which a pressure fluid for driving the first piston 22 is supplied, and the support rod 8 are axially arranged.
  • the second piston 34 is arranged so as to be capable of moving forward and backward, and the second working chamber 36 to which the pressure fluid that drives the second piston 34 is supplied is provided.
  • the collet can be smoothly reduced and released through the intermediate member, so that the support rod can be reliably locked and released. This provides practical work support.
  • FIG. 1 is an elevational sectional view showing a released state of a work support according to an embodiment of the present invention.
  • [0010] 1 Fixed block (work pallet), la: receiving hole, lb: bottom wall, 3: nosing, 8: support rod, 11: collet, 15: transmission, 17: taper clearance, 18: ball ( Intermediate member), 22: First piston, 23: First working chamber, 34: Second piston, 36: Second working chamber, 47: Throttle chamber, 48: Throttle member, 51: Throttle path, 52: Other Restrictor, P: Fluid port (hydraulic port).
  • FIG. 1 illustrates an embodiment of the present invention.
  • the present invention is applied to a hydraulic work support is illustrated.
  • the structure of the work support will be explained.
  • a receiving hole la is formed in the work pallet 1 which is a fixed block.
  • a fluid port P through which pressure oil is supplied and discharged is provided at the center of the bottom wall lb of the accommodation hole la.
  • the housing 3 of the work support 2 is screwed tightly into the accommodation hole la. So
  • the housing 3 includes an upper end wall 4, a lower end wall 5, and a body portion 6.
  • a support rod 8 is inserted into the housing 3 so as to be movable in the vertical direction.
  • a holding and fixing region R is provided in the lower half portion of the outer peripheral surface of the support rod 8, and a cylindrical collet 11 is fitted on the holding and fixing region R.
  • the collet 11 is provided with a tapered outer peripheral surface 12 with an upper concavity, and can be enlarged and reduced in the radial direction by providing one slit 13 extending in the vertical direction.
  • An annular transmission 15 is arranged on the outer peripheral side of the collet 11, and the tapered inner peripheral surface 16 of the transmission 15 is opposed to the tapered outer peripheral surface 12 of the collet 11 from above.
  • a large number of balls (intermediate members) 18 are inserted into an annular taper gap 17 formed between the tapered outer peripheral surface 12 and the tapered inner peripheral surface 16.
  • the collet 11 is pressed against the lower end wall 5 by a rubber elastic body 19.
  • the elastic body 19 may be constituted by a spring member such as a corrugated washer, a dish panel, or a coil panel, instead of rubber.
  • the working first cylinder 20 includes a first cylinder hole 21 formed in the inner periphery of the body portion 6 of the housing 3, an annular first piston 22 inserted into the first cylinder hole 21, and A first working chamber 23 for lowering the first piston 22 and a first panel 24 for raising the first piston 22 are provided.
  • the first panel 24 is mounted in a first panel chamber 25 formed on the lower side of the first piston 22.
  • the upper portion of the first piston 22 is guided tightly to the upper end wall 4 by the sealing tool 26, and the lower portion of the first piston 22 is another sealing tool. 27 is guided by the lower end wall 5 in a tight manner. Then, by supplying the pressure oil to the first working chamber 23, a downward force acts on the large-area annular pressure receiving surface formed in the upper half of the first piston 22, and the first An upward force acts on a small-area annular pressure receiving surface formed in the lower half of the piston 22, and the first piston 22 is lowered by the differential force between the upper and lower sides.
  • both the first piston 22 and the transmission 15 are formed integrally, the two may be configured separately.
  • a second cylinder 32 for advancing and retreating is provided in the lower part of the housing 3.
  • the second silin Da 32 is structured as follows! RU
  • a second cylinder hole 33 is formed in the lower half of the housing 3, and the second piston 34 is inserted into the second cylinder hole 33 in the middle of the second cylinder hole 33 in a tight manner.
  • An operation bolt 35 is screwed to the second piston 34 and the operation bolt 35 is inserted into the support rod 8.
  • a second working chamber 36 formed on the lower side of the second piston 34 can communicate with the first working chamber 23 via a communication passage 37.
  • a second panel chamber 39 is formed above the second piston 34. That is, the sleeve 40 protrudes upward from the lower end wall 5 of the housing 3.
  • a second panel 41 for lowering the second piston 34 is mounted between the upper portion of the sleeve 40 and the second piston 34.
  • a pipe 42 is externally fitted to the operation bolt 35 described above.
  • a pulling force is applied to the operation bolt 35 by pressing the noise 42 between the upper portion of the operation bolt 35 and the second piston 34.
  • An operation part 43 provided on the upper part of the noise 42 is engaged with the operated part 8a of the support rod 8 from above. Further, an advancement panel 45 mounted between the second piston 34 and the operated portion 8a urges the support rod 8 upward.
  • a throttle chamber 47 is formed below the second cylinder hole 33. That is, the second working chamber 36, the throttle chamber 47, and the force are arranged in the bottom direction of the housing 3 in the lower end wall 5 that is the bottom of the housing 3.
  • a cylindrical throttle member 48 is detachably attached to the throttle chamber 47 described above.
  • the throttle member 48 is fitted in the throttle chamber 47 below the second cylinder hole 33.
  • the throttle member 48 may be screwed to the throttle chamber 47.
  • a concave portion 49 that receives the lower portion of the second piston 34 is formed on the upper portion of the throttle member 48.
  • the throttle path 51 is formed in the axial center portion of the cylindrical throttle member 48
  • another throttle path 52 is formed in the peripheral wall portion of the throttle member 48 of the same.
  • the second working chamber 36 is communicated with the fluid port P through the throttle path 51. Further, the second working chamber 36 is communicated with the first working chamber 23 via the another throttle path 52 and the communication path 37.
  • first panel chamber 25 includes the slit 13, the longitudinal path 55 in the lower end wall 5, and the The air is communicated with the outside air through a respiratory path (not shown) in the work pallet 1 in order. Further, the second panel chamber 39 is communicated with the longitudinal path 55 through a fitting gap between the sleeve 40 and the support rod 8 or the like.
  • the workpiece W is carried in the horizontal direction above the push bolt 9. Thereafter, pressure oil from a hydraulic source (not shown) is supplied to the fluid port P. Then, the pressure oil is gently supplied to the second working chamber 36 through the throttle path 51. As a result, the second piston 34, the operating bolt 35, and the pipe 42 rise gently against the second panel 41, and at the same time the pipe 42 rises, the support panel 45 supports the support. The rod 8 rises and the push bolt 9 contacts the workpiece W (see the two-dot chain diagram in the figure). In this state, a contact gap is formed in the vertical direction between the lower surface of the operation portion 43 and the operated portion 8a of the support rod 8.
  • the pressure oil in the second working chamber 36 is gently supplied to the first working chamber 23 through the another throttle path 52, and the first working chamber 23
  • the transmission 15 moves downward due to the differential force in the vertical direction of the oil pressure acting on the first piston 22 from the first working chamber 23, and the taper of the transmission 15 is increased.
  • the inner peripheral surface 16 smoothly engages the tapered outer peripheral surface 12 of the collet 11 while rolling the ball 18, and the collet 11 is reduced in diameter.
  • the collet 11 whose diameter has been reduced presses the holding and fixing region R of the support rod 8 in the centripetal direction, thereby holding and fixing the support rod 8.
  • the pressure oil in the second working chamber 36 and the first working chamber 23 is discharged to the fluid port P through the throttle path 51.
  • the first panel 24 presses the first piston 22 and the transmission 15 upward, and the tapered inner peripheral surface 16 of the transmission 15 moves smoothly upward while rolling the ball 18.
  • the pressed state of the tapered outer peripheral surface 12 of the collet 11 is released.
  • the collet 11 is expanded in diameter by its own elastic restoring force, and the support rod 8 is unlocked.
  • the second panel 41 lowers the second piston 34, and the operating portion 43 drives the support rod 8 downward.
  • the throttle member 48 may be fixedly attached to the throttle chamber 47 instead of being detachably attached to the throttle chamber 47.
  • the throttle path 51 or another throttle path 52 may be a groove provided in the throttle member 48 instead of the illustrated through hole.
  • the second throttle chamber 52 may be omitted, and the second working chamber 36 may be directly communicated with the communication passage 37.
  • Means for advancing the support rod 8 upward may be an elastic body such as rubber or may be compressed air or the like instead of the illustrated advance panel 45.
  • the means for retracting the second piston 34 downward may be an elastic body such as rubber, or may be compressed air, instead of the illustrated second panel 41.
  • the intermediate member 18 may be constituted by a cylindrical member having a low friction function instead of the illustrated many balls.
  • the present invention can be applied to a single support having another structure instead of being applied to the work support having the illustrated structure.
  • first working chamber 23 and the second working chamber 36 may be arranged in parallel instead of the illustrated serial arrangement.
  • annular hydraulic working chamber is formed on the outer periphery of the thin sleeve, and the thin sleeve is hydraulically operated. It may be a mechanism that locks the support rod etc. by reducing the diameter by force.
  • housing 3 may be mounted in a casing fixed to the work pallet or the like instead of being directly mounted on the illustrated work pallet 1.
  • the working fluid may be a gas such as compressed air instead of the liquid such as the illustrated pressure oil.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

Il est décrit un support de pièce, comprenant un logement (3) ajusté au trou de stockage (1a) d'un bloc fixe (1), une tige de support (8) insérée dans le logement (3) de manière à être axialement avancée et retirée, une première chambre opérationnelle (23) dans laquelle un fluide sous pression est alimenté pour bloquer la tige de support (8), et une seconde chambre opérationnelle (36) dans laquelle le fluide sous pression est alimenté pour avancer axialement la tige de support (8). La seconde chambre opérationnelle (36) et une chambre de restriction (47) sont disposées vers le bas au niveau de la partie inférieure interne du logement (3) dans cet ordre. Un élément de restriction (48) ayant un passage de restriction (51) est installé de manière détachable dans la chambre de restriction (47). La seconde chambre opérationnelle (36) peut communiquer avec un orifice de fluide (P) par l'intermédiaire du passage de restriction (51).
PCT/JP2005/018974 2004-10-25 2005-10-14 Support de piece WO2006046420A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006542952A JPWO2006046420A1 (ja) 2004-10-25 2005-10-14 ワークサポート

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-339586 2004-10-25
JP2004339586 2004-10-25

Publications (1)

Publication Number Publication Date
WO2006046420A1 true WO2006046420A1 (fr) 2006-05-04

Family

ID=36227663

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/018974 WO2006046420A1 (fr) 2004-10-25 2005-10-14 Support de piece

Country Status (2)

Country Link
JP (1) JPWO2006046420A1 (fr)
WO (1) WO2006046420A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020039738A1 (fr) * 2018-08-24 2020-02-27 株式会社コスメック Support de pièce à travailler
WO2021049244A1 (fr) 2019-09-15 2021-03-18 株式会社コスメック Support de pièce à travailler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57191037A (en) * 1981-05-21 1982-11-24 Toshiba Mach Co Ltd Oil-pressure cylinder for driving injection plunger
JP2004276216A (ja) * 2003-01-21 2004-10-07 Pascal Engineering Corp 軸部材ロック用のロック装置及び筒部材ロック用のロック装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57191037A (en) * 1981-05-21 1982-11-24 Toshiba Mach Co Ltd Oil-pressure cylinder for driving injection plunger
JP2004276216A (ja) * 2003-01-21 2004-10-07 Pascal Engineering Corp 軸部材ロック用のロック装置及び筒部材ロック用のロック装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020039738A1 (fr) * 2018-08-24 2020-02-27 株式会社コスメック Support de pièce à travailler
TWI716933B (zh) * 2018-08-24 2021-01-21 日商克斯美庫股份有限公司 工件支撐器
WO2021049244A1 (fr) 2019-09-15 2021-03-18 株式会社コスメック Support de pièce à travailler
CN114375239A (zh) * 2019-09-15 2022-04-19 克斯美库股份有限公司 工件支承件
US20220288734A1 (en) * 2019-09-15 2022-09-15 Kosmek Ltd. Work support
JP7477181B2 (ja) 2019-09-15 2024-05-01 株式会社コスメック ワークサポート

Also Published As

Publication number Publication date
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