WO2011024558A1 - Tour avec peigne de coupe - Google Patents

Tour avec peigne de coupe Download PDF

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Publication number
WO2011024558A1
WO2011024558A1 PCT/JP2010/061376 JP2010061376W WO2011024558A1 WO 2011024558 A1 WO2011024558 A1 WO 2011024558A1 JP 2010061376 W JP2010061376 W JP 2010061376W WO 2011024558 A1 WO2011024558 A1 WO 2011024558A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
fluid
path
holder
tool post
Prior art date
Application number
PCT/JP2010/061376
Other languages
English (en)
Japanese (ja)
Inventor
渡辺雅之
Original Assignee
村田機械株式会社
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 村田機械株式会社 filed Critical 村田機械株式会社
Priority to JP2011528698A priority Critical patent/JP5310860B2/ja
Publication of WO2011024558A1 publication Critical patent/WO2011024558A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/24—Tool holders for a plurality of cutting tools, e.g. turrets
    • B23B29/26—Tool holders in fixed position
    • 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
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0018—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/12—Cooling and lubrication

Definitions

  • a plurality of tools are arranged side by side in a comb blade shape in an advancing and retreating direction orthogonal to the axial direction of the main shaft, and a tool post supporting each tool is supported by the main shaft by moving back and forth in the advancing and retreating direction.
  • the present invention relates to a comb lathe for machining a workpiece with a selected one of the tools.
  • a lathe having a turret type tool post can easily connect the pipe on the fluid supply source side and the pipe inside the tool post by linking with the indexing of the tool. Further, in a comb blade lathe in which a plurality of tools are arranged in a direction crossing the advancing and retreating direction, fluid can be discharged only to an arbitrary tool used for machining by moving a tool post supporting each tool in the direction in which the tools are arranged. There is a thing (for example, patent document 1).
  • valve is provided in each of the pipes inside the tool post branched into the number of tools, fluid can be discharged to any tool, but this leads to a complicated piping structure and an increase in cost.
  • An object of the present invention is to provide a cutting lathe capable of supplying a fluid such as a coolant only to a tool used for processing with a simple piping structure. Another object of the present invention is to provide a simpler piping structure. Still another object of the present invention is to be able to cope with different tool arrangements.
  • a comb blade lathe includes a main shaft that supports and rotates a workpiece, and a plurality of tools that are installed on a bed so as to freely advance and retract, and are arranged in advancing and retreating directions via a tool holder.
  • a plurality of fluid paths are provided across the tool post and the tool holder, and the tips of the tools open to the respective tools, and the inlets of these fluid paths are arranged in the forward and backward directions on the tool post.
  • a supply port forming member having a supply port connected to a fluid supply source is fixed to the bed, and the supply port is switched according to the forward / backward position of the tool post with respect to the inlet of each fluid path.
  • the tool is located at a position communicating with an inlet of a fluid path that discharges fluid to a tool that can communicate with the tool, that is, a tool used for machining, and the inlet of each fluid path is It has a width in the forward / backward direction that maintains the communication state with the supply port even if the tool post advances and retreats within a range where the tool that can contact the workpiece does not change.
  • the inlet of each fluid path has a predetermined width in the advancing and retracting direction, and maintains the communication state with the supply port even if the tool post advances and retreats within a range where the tool that can contact the workpiece does not change.
  • Fluid such as coolant and air supplied from the fluid supply source is sent from the supply port of the supply port forming member to the fluid path corresponding to the tool machining the workpiece, and from the opening at the tip of the fluid path to the tool. It is discharged toward.
  • a fluid such as a coolant can be supplied only to the tool used for processing, the fluid can be discharged with a sufficient discharge force even with a small capacity pump. Further, a valve and other parts for switching the fluid path are unnecessary, and a simple piping structure can be obtained.
  • each inlet of the plurality of fluid paths may be formed in a fluid inlet forming member that is exchangeably attached to the tool post. If each inlet of the plurality of fluid paths is formed in a fluid inlet forming member that is separate from the tool post, each fluid path is changed according to the advancing / retreating range depending on the tool by replacing the fluid inlet forming component. The advancing / retreating direction width of the entrance can be easily changed.
  • an attachment rail for attaching the tool holder so that the attachment position can be changed with respect to the forward / backward direction can be provided on the tool post.
  • the fluid path is divided into a tool post part path provided in the tool post and a holder part path provided in the tool holder, and the tool post part path and the holder part path are provided in the tool post.
  • a relay port that communicates with each other is provided for each fluid path, and each relay port maintains the tool post part path and the holder part path in a communicating state even if the mounting position of the tool holder with respect to the mounting rail is changed. It is preferable to have the width in the forward / backward direction as much as possible.
  • the tool post By providing the tool post with a mounting rail for mounting the tool holder so that the mounting position can be changed with respect to the forward / backward direction, the tool can be moved via the tool holder to the appropriate forward / backward direction position of the tool post according to the type and dimensions of the tool. Can be installed. In that case, if the above-mentioned relay port is provided in the tool post, the tool post path and the holder part path are always maintained in communication with each other even if the mounting position of the tool holder with respect to the tool post is changed in the forward / backward direction. Therefore, it is possible to cope with different tool arrangements.
  • the said relay port is formed in the relay port formation member attached to the said tool rest so that replacement
  • the fluid supply source, the fluid path, the inlet of the fluid path, the supply port forming member and the first fluid discharge mechanism each having the supply port are provided, and the fluid of the first fluid discharge mechanism is the tool.
  • a coolant for cooling the workpiece, and the fluid of the second fluid discharge mechanism can be air for removing chips generated by processing.
  • this comb lathe has a headstock 4 that rotatably supports a main shaft 3 on a pair of front and rear guide rails 2 installed on a bed 1 in the front-rear direction (Z-axis direction). It is provided so that it can move forward and backward.
  • An axis O of the main shaft 3 faces in the front-rear direction, and a main shaft chuck 5 is provided at the front end thereof.
  • the spindle stock 4 rotates the spindle 3 by a spindle motor (not shown) provided inside the spindle stock 4.
  • the head stock 4 is moved in the front / rear direction along the front / rear guide rail 2 by a front / rear moving motor (not shown) provided outside the head stock 4.
  • a machining means 6 is provided in front of the main shaft 3.
  • the processing means 6 includes a tool 7 that is a plurality of cutting tools arranged in a left and right direction (X-axis direction) in a comb blade shape, a plurality of tool holders 8 that individually support the tools 7, and each tool A tool post 9 that supports the holder 8 is provided.
  • the tool post 9 is provided on a pair of left and right guide rails 10 installed on the bed 1, and is moved back and forth along the left and right guide rails 10 by a left and right moving motor (not shown).
  • the tool 7 that can come into contact with the workpiece W, that is, the tool 7 used for machining, is switched depending on the position of the tool post 9 in the left-right direction.
  • the surface of the tool post 9 facing the main shaft 3 is an inclined surface 9a that is lowered toward the main shaft 3, and each tool holder 8 is attached to the inclined surface 9a.
  • a pair of upper and lower groove-like mounting rails 11 extending in the left-right direction are formed on the inclined surface 9 a of the tool post 9.
  • the tool holder 8 is attached to the position so that the attachment position can be changed.
  • the tool holder 8 is attached by, for example, bolts (not shown).
  • the groove to be the mounting rail 11 has a shape with a wide groove width on the bottom side, and the tool rest 9 is attached to the mounting rail 11 by engaging a part (not shown) of the tool rest 9 with the wide groove width portion.
  • the tool holder 8 has a tool holding recess 8 a on one of the left and right side surfaces, and the shank portion of the tool 7 inserted into the tool holding recess 8 a is fixed by a fixing bolt 12.
  • coolant discharge ports 13A and 13B and an air discharge port 14 are provided on the surface of the tool holder 8 facing the main shaft 3, and the coolant discharge is directed toward or near the cutting edge of the tool 7 during processing. Coolant is discharged from the outlets 13 ⁇ / b> A and 13 ⁇ / b> B, and air is discharged from the air discharge port 14.
  • the coolant discharge ports 13A and 13B have different coolant discharge directions, and discharge coolant from only one of them in accordance with the tool 7 or the like.
  • the coolant discharge ports 13A and 13B that are not used are closed by, for example, plugs (not shown).
  • the coolant discharge mechanism (first fluid discharge mechanism) 15 that discharges coolant from the coolant discharge ports 13A and 13B and the air discharge mechanism (second fluid discharge mechanism) 16 that discharges air from the air discharge port 14 are basically the same. It is the same structure.
  • the coolant discharge mechanism 15 will be described with reference to FIGS.
  • the coolant discharge mechanism 15 in FIG. 3 passes the coolant supplied from the fluid supply source 20 (FIG. 1) over the tool rest 9 and the tool holder 8 via the fluid path 21 in FIG. 4.
  • the coolant is discharged from the coolant discharge ports 13A and 13B shown in FIG.
  • the same number of fluid paths 21 as the tools 7 are provided side by side in the left-right direction, that is, the advancing / retreating direction of the tool post 9.
  • the rear surface of the supply port forming member 25 fixed to the bed 1 by the support member 24 (FIG. 2) is in contact with the surface 23 of FIG. 5 where the inlet 22 of the fluid path 21 opens.
  • the supply port forming member 25 has a supply port 27 connected to the fluid supply source 20 via a supply side pipe 26 made of a hose or a pipe.
  • the supply port 27 communicates with one of the inlets 22 of each fluid path 21 by switching between the left and right positions of the tool post 9.
  • the inlet 22 of the fluid path 21 is in the left-right direction that maintains the state of communication with the supply port 27 even if the tool post 9 moves to the left and right within a range in which the tool 7 that can contact the workpiece W does not change during the machining operation.
  • Widths A1 to A4 may all be the same or different.
  • the lengths L and R from the supply port 27 to the left and right ends of the supply port forming member 25 are such that the supply port 27 is connected to the inlet 22 of any fluid path 21 so that the inlet 22 is connected to the supply port. 27 or more than the length that covers the part other than the communication part.
  • the inlet 22 of each fluid path 21 is formed in a fluid inlet forming member 28 that is attached to the tool post 9 in a replaceable manner. Therefore, the surface 23 where the inlet 22 of the fluid path 21 opens is the front surface of the fluid inlet forming member 28.
  • the fluid inlet forming member 28 is a plate-like member having an opening 28 a that becomes the inlet 22 of the fluid path 21. For example, bolts (not shown) inserted through through holes 28 b provided at four corners. Is attached to the tool post 9.
  • each inlet 22 of the plurality of fluid paths 21 is formed in the fluid inlet forming member 28 that is exchangeable with respect to the tool post 9, each fluid path is changed according to the advance / retreat range at the time of machining, which differs depending on the tool 7.
  • the forward / backward direction width of the 21 inlets 22 can be easily changed. That is, a plurality of types of fluid inlet forming members 28 with different opening widths or positions of the openings 28a may be prepared and replaced with arbitrary fluid inlet forming members 28.
  • the inlet 22 of the fluid path 21 may be provided directly in the tool post 9 without providing the fluid inlet forming member 28. In that case, the surface 23 where the inlet 22 of the fluid path 21 opens becomes the front surface of the tool post 9.
  • each fluid path 21 is divided into a tool post part path 21 a provided in the tool post 9 and a holder part path 21 b provided in the tool holder 8.
  • the tool post path 21 a and the holder path 21 b communicate with each other via a relay port 30 provided in the tool post 9.
  • This relay port 30 has a width B1 in the left-right direction that can maintain the tool post part path 21a and the holder part path 21b in a communicating state even if the mounting position of the tool holder 8 with respect to the mounting rail 11 (FIG. 3) is changed.
  • the widths B1 to B4 may all be the same or different.
  • the relay port 30 of each fluid path 21 is formed in a relay port forming member 31 that is attached to the tool post 9 in a replaceable manner.
  • the relay port forming member 31 is a plate-like member having an opening 31 a that becomes the relay port 30.
  • a lid member 32 that closes the rear surface side of the opening 31 a of the relay port forming member 31 is provided between the relay port forming member 31 and the tool holder 8.
  • the lid member 32 is a plate-like member having a communication hole 32a serving as a base end portion of the holder portion path 21b.
  • the relay port 30 is composed of a plate-shaped relay port forming member 31 having an opening 31 a to be the relay port 30 and a lid member 32 that closes the rear surface side of the relay port forming member 31, Easy to process.
  • the cover member 32 Since the communication hole 32a used as the base end part of the holder part path
  • FIG. As for the relay port forming member 31, as in the case of the fluid inlet forming member 28, a plurality of types having different opening widths or positions of the opening 31 a serving as the relay port 30 are prepared. What is necessary is just to replace
  • FIG. 3 is the same structure as the coolant discharge mechanism 15, and the description thereof is omitted.
  • FIG. 3 shows only the air discharge port 14 of the air discharge mechanism 16 and the lid member 32A.
  • the comb lathe is moved in the feed direction and the cutting direction of the tool 7 with respect to the workpiece W supported by the spindle 5 by the back-and-forth movement of the headstock 4 in FIG. Then, cutting is performed.
  • the coolant supplied from the fluid supply source 20 passes through the supply side pipe 26, the supply port forming member 25, the tool post 9, and the fluid path 21 (FIG. 5) in the tool holder 8 to From either of the coolant discharge ports 13A, 13B at the front end, it is discharged toward the cutting edge of the tool 7 or the vicinity thereof.
  • air is discharged from the air discharge port 14.
  • the supply port 27 of the supply port forming member 25 in FIG. 5 can be switched and communicated with the inlet 22 of each fluid path 21 according to the forward / backward position of the tool post 9 and can be in contact with the workpiece W. 7 communicates with the inlet 22 of the fluid path 21 to.
  • the inlet 22 of each fluid path 21 has a predetermined width in the forward / backward direction, and maintains a communication state with the supply port 30 even if the tool post 9 advances / retreats within a range where the tool 7 that can contact the workpiece W does not change. To do.
  • the fluid such as the coolant and air supplied from the fluid supply source 20 flows from the supply port 27 of the supply port forming member 25 to the fluid path corresponding to the tool 7 that is machining the workpiece W. 21 and is discharged toward the tool from the coolant discharge ports 13A and 13B or the air discharge port 14 in FIG. 3, which is the opening at the tip of the fluid path 21.
  • the fluid can be supplied only to the tool 7 used for processing, the fluid can be discharged with a sufficient discharge force even with a small capacity pump. Further, a valve and other parts for switching the fluid path are unnecessary, and a simple piping structure can be obtained.
  • the left and right widths of the tool post path 21a of the fluid path 21 in FIG. 5 are extremely narrower than the left and right widths A1 to A4 of the inlet 22 and the left and right widths B1 to B4 of the relay port 30. It may be wider, and in some cases, it may be the same as the left and right width of the entrance 22 and the left and right width of the relay port 30. That is, the left-right width of the tool post part path 21a can be arbitrarily determined within a range in which a necessary fluid flow rate can be secured and the rigidity of the tool post 9 is not impaired.
  • FIG. 9 shows a different configuration of the coolant discharge mechanism.
  • the holder path 21 b is not provided through the tool holder 8 as in the above-described embodiment, and the tip of the holder path 21 b extends to the middle portion of the tool holder 8.
  • a screw hole 40 is opened from the outer surface of the tool holder 8 toward the tip of the holder part path 21b, and the screw part 41a at the base end of the external pipe 41 made of a metal pipe or the like is screwed into the screw hole 40. is doing.
  • the external pipe 41 is bent into a predetermined shape, and the tip of the external pipe 41 is the coolant discharge port 13 facing the cutting edge of the tool 7 or the vicinity thereof.
  • the direction of the coolant discharge port 13 can be changed arbitrarily by adjusting the bending condition of the external piping 41.
  • illustration is abbreviate

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

L'invention concerne une machine-outil où une pluralité de circuits (21) de fluide, dont les extrémités débouchent sur des outils (7), est aménagée dans une tourelle (9) à outils et des porte-outils (8). Les entrées (22) des circuits (21) de fluide sont placées de façon à être disposées dans la direction avance-recul (direction de l’axe X) de la tourelle (9) à outils. Un organe (25) formant un orifice d’alimentation, doté d’un orifice (27) d’alimentation relié à une source d’alimentation en fluide est placé de façon à être fixé. L’orifice (27) d’alimentation peut être commuté et mis en communication avec les entrées (22) des circuits (21) de fluide en fonction de la position de la tourelle (9) à outils dans le sens avance-recul, et est placé dans une position communiquant avec les entrées (22) des circuits (21) de fluide d’un outil (7) situé dans une position où il est susceptible d’entrer en contact avec une pièce à usiner. Les entrées (22) des circuits (21) de fluide présentent une largeur dans la direction avance-recul telle qu’un état de communication avec l’orifice (27) d’alimentation est maintenu même si la tourelle (9) à outils avance et recule dans une plage où l’outil susceptible d’entrer en contact avec la pièce reste le même.
PCT/JP2010/061376 2009-08-24 2010-07-05 Tour avec peigne de coupe WO2011024558A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011528698A JP5310860B2 (ja) 2009-08-24 2010-07-05 くし刃旋盤

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-192749 2009-08-24
JP2009192749 2009-08-24

Publications (1)

Publication Number Publication Date
WO2011024558A1 true WO2011024558A1 (fr) 2011-03-03

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PCT/JP2010/061376 WO2011024558A1 (fr) 2009-08-24 2010-07-05 Tour avec peigne de coupe

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JP (1) JP5310860B2 (fr)
WO (1) WO2011024558A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014063899A1 (fr) * 2012-10-25 2014-05-01 Utilis Ag Dispositif de serrage doté d'un conduit de fluide de refroidissement, procédé de fabrication du dispositif de serrage ainsi que plaque d'attachement d'outil pour un tour équipé d'un tel dispositif de serrage
CN104136159A (zh) * 2012-03-26 2014-11-05 西铁城控股株式会社 机床
JP2020019120A (ja) * 2018-08-03 2020-02-06 株式会社長谷川機械製作所 クーラント噴射装置、および加工装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019175892A1 (fr) * 2018-03-14 2019-09-19 SARUP Siddhant Plaque intelligente permettant d'assurer un écoulement d'agent de refroidissement dans une machine à cnc

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0839303A (ja) * 1994-07-22 1996-02-13 Tsugami Corp クシ刃型旋盤の切削油噴出装置
JPH08197311A (ja) * 1995-01-25 1996-08-06 Tsugami Corp 多軸自動旋盤のクーラント供給装置
JP2004142049A (ja) * 2002-10-25 2004-05-20 Tecno Wasino Co Ltd 旋盤における工具保持装置
JP2008073792A (ja) * 2006-09-20 2008-04-03 Citizen Holdings Co Ltd クーラント供給装置を備えた刃物台

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8112300U1 (de) * 1981-04-25 1981-10-22 Hoesch Maschinenfabrik Deutschland Ag, 4600 Dortmund Support fuer das drehen von tiefen ringnuten
JP4169405B2 (ja) * 1998-10-27 2008-10-22 高松機械工業株式会社 切削油供給装置を備えた工作機械
JP2003025184A (ja) * 2001-07-13 2003-01-29 Star Micronics Co Ltd 工作機械のクーラント噴出装置と工作機械

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0839303A (ja) * 1994-07-22 1996-02-13 Tsugami Corp クシ刃型旋盤の切削油噴出装置
JPH08197311A (ja) * 1995-01-25 1996-08-06 Tsugami Corp 多軸自動旋盤のクーラント供給装置
JP2004142049A (ja) * 2002-10-25 2004-05-20 Tecno Wasino Co Ltd 旋盤における工具保持装置
JP2008073792A (ja) * 2006-09-20 2008-04-03 Citizen Holdings Co Ltd クーラント供給装置を備えた刃物台

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104136159A (zh) * 2012-03-26 2014-11-05 西铁城控股株式会社 机床
CN104136159B (zh) * 2012-03-26 2016-04-06 西铁城控股株式会社 机床
WO2014063899A1 (fr) * 2012-10-25 2014-05-01 Utilis Ag Dispositif de serrage doté d'un conduit de fluide de refroidissement, procédé de fabrication du dispositif de serrage ainsi que plaque d'attachement d'outil pour un tour équipé d'un tel dispositif de serrage
JP2020019120A (ja) * 2018-08-03 2020-02-06 株式会社長谷川機械製作所 クーラント噴射装置、および加工装置

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JP5310860B2 (ja) 2013-10-09
JPWO2011024558A1 (ja) 2013-01-24

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