WO2017115396A1 - Displacement control device and machine tool using same - Google Patents

Displacement control device and machine tool using same Download PDF

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Publication number
WO2017115396A1
WO2017115396A1 PCT/JP2015/006495 JP2015006495W WO2017115396A1 WO 2017115396 A1 WO2017115396 A1 WO 2017115396A1 JP 2015006495 W JP2015006495 W JP 2015006495W WO 2017115396 A1 WO2017115396 A1 WO 2017115396A1
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WO
WIPO (PCT)
Prior art keywords
slope
opposing surface
slider
machine tool
presses
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PCT/JP2015/006495
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French (fr)
Japanese (ja)
Inventor
幸司 西井
伸政 紀和
恭男 松山
尚行 堀内
Original Assignee
株式会社紀和マシナリー
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.)
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Publication date
Application filed by 株式会社紀和マシナリー filed Critical 株式会社紀和マシナリー
Priority to PCT/JP2015/006495 priority Critical patent/WO2017115396A1/en
Priority to JP2017558802A priority patent/JP6534451B2/en
Priority to TW105139945A priority patent/TWI627011B/en
Publication of WO2017115396A1 publication Critical patent/WO2017115396A1/en

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    • 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

Definitions

  • the present invention relates to a displacement suppression device for a machine tool and a machine tool using the same.
  • FIG. 6 is a schematic diagram of the table traverse system machining center 51
  • FIG. 7 is a schematic diagram of the column traverse system machining center 61.
  • the table traverse system machining center 51 is a system that can move on the side of a table 55 that holds a workpiece, and a column 53 (moving table) having a spindle 52 moves with respect to a saddle 54 (reference table).
  • the saddle 64 moves with respect to the bed 65 (reference table) along a rail disposed on the bed 65 (reference table). Further, a column 63 (moving table) having a spindle 62 moves along the rail on the saddle 64 with respect to the saddle 64 (reference table).
  • the lathe also has a structure in which the tool post (moving table) moves relative to the base (reference table).
  • a machining center, a lathe, or the like has a structure in which the moving table moves relative to the reference table.
  • the saddle 64 is a moving table when the bed 65 is used as a reference table in relation to the bed 65, and the reference table when the column 63 is used as a moving table in relation to the column 63. It becomes.
  • the reference table need not be immobile.
  • the reference table and the moving table are not absolute, and when one is used as a reference table, the other is defined as having a relationship that the other is a moving table that moves relative to the reference table.
  • the displacement amount of the moving part affects the machining accuracy of the workpiece.
  • the blade is rotated at a high speed, there is a problem that the displacement of the moving table is caused by vibration caused by rotation of the tool such as machining. Therefore, it is required to reduce the amount of displacement of the moving table caused by vibration.
  • a displacement suppression device for a machine tool comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table relative to the reference table.
  • the apparatus includes a first slope, a guide attached to the movable table so as to extend along a direction in which the rail extends, and an angle with respect to the first slope that is fixed to the reference table.
  • An actuator coupled to a slider having a bracket having a second slope, a first opposing surface in contact with the first slope, and a second opposing surface in contact with the second slope; This is solved by a displacement suppressing device that presses the slider, presses the first inclined surface against the first opposing surface, and presses against the second opposing surface that contacts the second inclined surface.
  • a displacement suppression device for a machine tool comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table relative to the reference table.
  • the apparatus includes a first slope, a guide attached to the movable table so as to extend along a direction in which the rail extends, and an angle with respect to the first slope that is fixed to the reference table.
  • a bracket comprising a second slope, the guide further comprising a third slope, the bracket comprising a fourth slope having an angle with respect to the third slope, a first facing surface contacting the first slope,
  • a second slurry having an opposing surface A second actuator coupled to the first actuator, the first actuator pressing the first slider, pressing the first inclined surface against the first opposing surface, and pressing the second inclined surface against the second opposing surface,
  • the second actuator is solved by a displacement suppression device that pushes the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
  • a machine tool comprising a reference table provided with a rail, and a moving table positioned above the reference table and moving relative to the reference table on the rail, the machine tool comprising a first slope, A guide attached to the moving table so as to extend along a direction in which a rail extends; a bracket having a second inclined surface fixed to the reference table and having an angle with respect to the first inclined surface; An actuator coupled to a slider having a first opposing surface that abuts on one slope and a second opposing surface that abuts on the second slope, wherein the actuator presses the slider to provide the first slope
  • a machine tool provided with a displacement suppression device that presses against the first facing surface and presses against the second facing surface that contacts the second inclined surface.
  • a machine tool comprising a reference table including a rail, and a moving table positioned above the reference table and moving relative to the reference table on the rail.
  • a guide having a slope and attached to the moving base so as to extend along a direction in which the rail extends; and a second slope fixed to the reference base and having an angle with respect to the first slope.
  • a bracket provided with the guide, the guide further comprising a third slope, the bracket comprising a fourth slope having an angle with respect to the third slope, a first facing surface contacting the first slope, and the second slope
  • a machine tool including a displacement suppressing device that pushes the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
  • FIG. 1A is a diagram showing a column traverse type machining center 30. However, the same applies to a table traverse type machining center.
  • FIG. 1A shows a state where the spindle that originally slides on the rail 33a is removed.
  • the machining center 30 includes a base portion (hereinafter referred to as “bed”) 31 as a “reference stand” that is a non-movable portion, and a saddle 32 as a “movable stand” that can move relative to the bed 31 on the bed 31. It comprises.
  • a column 33 which is a “moving base” movable with respect to the saddle 32 is provided with the saddle 32 as a “reference base”.
  • a column 33 having a spindle is disposed on the saddle 32.
  • the saddle 32 is placed on a rail 34 on the bed 31, and the saddle 32 is movable along the rail 34.
  • another rail 35 extending in the extending direction (first axial direction) and the vertical direction (second axial direction) of the rail 34 on the bed 31 is disposed.
  • the column 33 is movable along the rail 35 on the saddle 32.
  • the displacement suppression device 1 includes a displacement suppression guide 2 (hereinafter referred to as “guide”), a bracket 3, an actuator 4, and a slider 5.
  • the guide 2 is disposed along a rail that is attached to the reference table so that the moving table moves. That is, when the moving base is the saddle 32 and the reference base is the bed 31, the saddle 32 is attached to the saddle 32 which is the moving base in the direction in which the rail 34 arranged on the bed 31 extends in order to move. It is done.
  • the rail 35 disposed on the saddle 32 in order to move the column 33. Is attached to the column 33 which is a moving table in the extending direction.
  • the guide 2 is fixed to the saddle 32 that is a moving base so as to extend along the moving direction of the saddle 32.
  • the bracket 3 is fixed to the bed 31 which is a reference base so as to extend along the moving direction of the saddle 32.
  • the length of the guide 2 in the longitudinal direction is shorter than the length of the bracket 3 in the longitudinal direction. That is, the lengths of the guide 2 and the bracket 3 are set so that all and most of the longitudinal direction of the guide 2 is located in the longitudinal direction of the bracket 3 even if the saddle 32 moves.
  • the guide 2 is preferably formed integrally with the saddle 32, but may be fixed to the saddle 32 as a member different from the saddle 32.
  • the guide 2 is preferably arranged at a location near the spindle (not shown) in the saddle 32.
  • the displacement suppression device 1 requires at least one actuator 4. Further, it is more preferable that a plurality of actuators 4 are arranged at a predetermined interval along the longitudinal direction of the guide 2.
  • the guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32), and has one slope (first slope).
  • the bracket 3 has another slope (second slope) facing one slope of the guide 2.
  • a slider 5 is disposed between one slope of the guide 2 and the other slope of the bracket 3.
  • the actuator 4 presses the slider 5 against one slope of the guide 2 and the other slope of the bracket 3 to firmly fix the guide 2 and the bracket 3.
  • the length of the slider 5 is generally the same as that of the bracket 3, but the slider 5 presses the guide 2 and the bracket 3 within a range in which the guide 2 can move in the bracket 3. If possible, there is no limit on the length.
  • FIG. 2A shows a cross-sectional view of the first embodiment of the displacement suppressing device 1 attached to the machining center 30.
  • FIG. 2A shows a section XX of FIG. 1A.
  • the guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32) and has an angle with respect to the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32). It has the 1st slope 2a.
  • the bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a.
  • the angle formed by the first inclined surface 2a and the second inclined surface 3a is an angle that narrows downward in the machining center 30 (the direction from the moving table toward the reference table).
  • the first slope 2a and the second slope 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIG. 2A).
  • the actuator 4 is, for example, a hydraulic cylinder.
  • the actuator 4 includes a piston 6.
  • a slider 5 is attached to the piston 6 of the actuator 4.
  • the slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a.
  • the actuator 4 has a chamber communicating with the pressurizing port (clamp port) 4 a at the upper part of the piston 6 and a chamber communicating with the pressure reducing port (unclamp port) 4 b at the lower part of the piston 6.
  • the piston 6 is pressurized toward the slider 5.
  • the pressurized piston 6 urges the slider 5 toward the first slope 2a and the second slope 3a.
  • the 1st slope 2a presses the 1st opposing surface 5a
  • the 2nd slope 3a presses the 2nd opposing surface 5b.
  • the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5.
  • the movement in the direction perpendicular to the movement direction of 32 is limited.
  • the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b.
  • the movement in the moving direction is also restricted. That is, the movement of the saddle 32 with respect to the bed 31 is suppressed.
  • the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled
  • the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled
  • FIG. 2B shows a cross-sectional view of the second embodiment of the displacement suppressing device 1 attached to the machining center 30.
  • FIG. 2B also corresponds to the section XX in FIG. 1A.
  • the guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32) and has an angle with respect to the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32). It has the 1st slope 2a.
  • the bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a.
  • the first slope 2a and the second slope 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIG. 2B).
  • the angle formed by the first inclined surface 2a and the second inclined surface 3a is an angle that narrows downward in the machining center 30, but in the second embodiment, the first inclined surface 2a, the second inclined surface 3a, The angle formed by the angle is an angle that narrows in the upward direction of the machining center 30 (the direction from the reference platform to the moving platform).
  • the actuator 4 is, for example, a hydraulic cylinder.
  • the actuator 4 includes a piston 6.
  • a slider 5 is attached to the piston 6 of the actuator 4.
  • the slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a.
  • the piston 6 When the piston 6 is pressurized by hydraulic pressure from the pressurizing port (clamp port) 4a of the actuator 4 in the same manner as in the first embodiment, the piston 6 pulls up the slider 5 to the upper side of the machining center 30, and the slider 5 is moved to the first inclined surface 2a. It urges
  • the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5.
  • the movement in the direction perpendicular to the movement direction of 32 is limited.
  • the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b.
  • the movement in the moving direction is also restricted. That is, the movement of the saddle 32 with respect to the bed 31 is suppressed.
  • the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled
  • the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled
  • FIG. 3 shows a cross-sectional view of the third embodiment of the displacement suppressing device 1 attached to the machining center 30.
  • FIG. 3 also corresponds to the section XX in FIG. 1A.
  • the guide 2 has a shape protruding in the moving direction of the column 33 and has a first inclined surface 2 a having an angle with respect to the moving direction of the column 33.
  • the bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a.
  • the angle formed by the first inclined surface 2 a and the second inclined surface 3 a is an angle that narrows in the moving direction of the column 33 of the machining center 30.
  • the first inclined surface 2a and the second inclined surface 3a are arranged so as to be aligned with the moving direction of the column 33, that is, generally in the vertical direction (the arrow direction in FIG. 3).
  • the actuator 4 includes a piston 6.
  • a slider 5 is attached to the piston 6 of the actuator 4.
  • the slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a.
  • the piston 6 biases the slider 5 toward the first inclined surface 2a and the second inclined surface 3a.
  • the 1st slope 2a presses the 1st opposing surface 5a
  • the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5. The movement in the direction perpendicular to the movement direction of 32 is limited.
  • the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b. The movement in the moving direction is also restricted.
  • the movement of the saddle 32 with respect to the bed 31 is suppressed. Even if the column 33 and the saddle 32 move due to machining vibration caused by the rotation of the spindle, the guide 2 vibrates with respect to the bracket 3 because the natural frequency of the actuator 4 holding the guide 2 and the bracket 3 is different. Even so, the vibration is attenuated.
  • the piston 6 moves in a direction in which the slider 5 moves away from the first slope 2a and the second slope 3a. Thereby, the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled
  • the amount of movement of the column 33 when the displacement suppression device 1 is used is that of the column 33 when the displacement suppression device 1 is not used. It becomes smaller than the amount of movement, and the processing accuracy is improved.
  • FIG. 4 shows a cross-sectional view of the fourth embodiment of the displacement suppressing device 1 attached to the machining center 30.
  • FIG. 4 also corresponds to the location of section XX in FIG. 1A.
  • the fourth embodiment is a combination of the first embodiment and the third embodiment. That is, as in the first embodiment, first, the guide 2 has a shape protruding in the moving direction of the column 33, and has a first inclined surface 2a having an angle with respect to the moving direction of the column 33. Yes.
  • the bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a.
  • the angle formed by the first slope 2 a and the second slope 3 a is an angle that narrows downward in the machining center 30.
  • the first inclined surface 2a and the second inclined surface 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIGS. 2A and 2B).
  • the actuator 4 is, for example, a hydraulic cylinder.
  • the actuator 4 includes a piston 6.
  • a slider 5 is attached to the piston 6 of the actuator 4.
  • the slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a.
  • the piston 6 when the piston 6 is pressurized by hydraulic pressure from the pressure port (clamp port) 4a of the actuator 4, the piston 6 biases the slider 5 toward the first inclined surface 2a and the second inclined surface 3a. . And the 1st slope 2a presses the 1st opposing surface 5a, and the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the slider 5 restricts the movement of the column 33 in the moving direction of the column 33 by the slider 5. The Even if the guide 2 vibrates in the moving direction of the column 33 with respect to the bracket 3, if the guide 2 vibrates with respect to the bracket 3 even if the guide 2 vibrates with respect to the bracket 3, the vibration is Attenuates.
  • the guide 2 has a third inclined surface 2b having an angle with respect to the moving direction of the column 33, separately from the first inclined surface 2a.
  • the bracket 3 has a fourth slope 3b having an angle with respect to the third slope 2b, separately from the second slope 3a.
  • the third inclined surface 2b and the fourth inclined surface 3b are arranged in the vertical (arrow direction in FIG. 3) direction.
  • the actuator 10 includes a piston 9.
  • a slider 8 is attached to the piston 9 of the actuator 10.
  • the slider 8 has a first facing surface 8a facing the third slope 2b, and a second facing surface 8b facing the fourth slope 3b.
  • the piston 9 urges the slider 8 toward the third inclined surface 2b and the fourth inclined surface 3b. And the 3rd slope 2b presses the 1st opposing surface 8a, and the 4th slope 3b presses the 2nd opposing surface 8b. If the third inclined surface 2b and the fourth inclined surface 3b press the first opposing surface 8a and the second opposing surface 8b, the slider 8 restricts the movement of the column 2 in the moving direction of the column 33 by the slider 8. The Even if the guide 2 and the bracket 3 vibrate in the moving direction of the column 33, even if the guide 2 vibrates with respect to the bracket 3, the vibration is attenuated even if the natural frequency of the actuator 10 is set. .
  • the first opposing surface 5a and the second opposing surface 5b of the slider 5 of the actuator 4 are configured to narrow toward the lower side of the machining center 30 as in the first embodiment. However, as in the second embodiment, it may be configured to narrow toward the upper side of the machining center 30.
  • a bed 31 is used as a reference table, and a saddle 32 as a moving table is provided with respect to the bed 31 as a reference table along a rail arranged thereon.
  • the displacement suppressing device 1 can be applied to an example in which the movement is performed.
  • the displacement suppression device 1 can be applied using the saddle 32 as a reference base and the column 33 as a moving base. That is, the present invention can be applied to a case where a column 33 as a moving table having a spindle moves along a rail on the saddle 32 with respect to the saddle 32 as a reference table.
  • the guide 2 is attached to the column 33 and the bracket 3 is attached to the saddle 32.
  • the relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments.
  • the guide 2 and the bracket 3 are attached to the moving table and the bracket 3 to the reference table so that they extend along the direction in which the moving table moves relative to the reference table, It may be attached to.
  • it is effective to apply the displacement suppressing device 1 so that the guide 2 is arranged on the column 33 on the side where the rotating spindle is arranged.
  • the displacement suppressing device is applied to the column 53 as the moving table with respect to the saddle 54 as the reference table.
  • the guide 2 is attached to the column 53 and the bracket 3 is attached to the saddle.
  • the relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments.
  • the guide 2 and the bracket 3 are mounted on the moving table so that the guide 2 and the bracket 3 extend along the direction in which the moving table moves relative to the reference table. As long as each is attached to the reference stand, it may be attached at any position.
  • it is effective to apply the displacement suppressing device 1 so that the guide 2 is arranged on the column 33 on the side where the rotating spindle 52 is arranged.
  • the displacement suppressing device of the present invention can be applied as long as the machine tool has a relationship in which one is a reference table and the other is a moving table that moves relative to the reference table.
  • the lathe shown in FIG. 5 has a base 21 as a reference base and a tool post 22 as a moving base that moves relative to the base 21. Therefore, the displacement suppression device of the present invention can be applied.
  • the guide 2 is attached to the tool rest 22 which is a moving base
  • the bracket is attached to the base 21 which is a reference base.
  • the relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments.
  • the cross section YY of the displacement suppression device 1 shown in FIG. 5 can be applied in a form corresponding to FIGS. 2A to 4.
  • the points that may be attached to the machining center are the same as those of the machining center.
  • it is effective to apply the displacement suppressing device 1 so that the guide 2 is disposed on the tool post 22 in the vicinity of the rotating blade.

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Abstract

A machine tool, which is provided with a reference platform with rails and a moving platform that is located above the reference platform and moves relative to the reference platform on the rails, comprises a displacement control device that is provided with: a guide having a first sloped surface and installed on the moving platform so as to extend along the direction in which the rails extend; a bracket fixed to the reference platform and having a second sloped surface at an angle with respect to the first sloped surface; and an actuator that is joined to a slider, which has a first counterface surface that contacts the first sloped surface and a second counterface surface that contacts the second sloped surface. The actuator presses the slider, pressing the first sloped surface on the first counterface surface and on the second counterface surface that is in contact with the second sloped surface. In machine tools, there is a demand for reduction in the amount of displacement of a moving platform that moves with respect to a reference platform.

Description

変位抑制装置とそれを利用した工作機械Displacement suppression device and machine tool using it
　この発明は、工作機械用変位抑制装置とそれを使用した工作機械に関する。 The present invention relates to a displacement suppression device for a machine tool and a machine tool using the same.
　たとえば、工作機械について、その代表マシニングセンタを例として、背景技術を説明する。マシニングセンタは、コラムトラバース方式と、テーブルトラバース方式との二つの方式に分けられるが、いずれも同様である。図６は、テーブルトラバース方式マシニングセンタ５１の概略図であり、図７はコラムトラバース方式マシニングセンタ６１の概略図である。テーブルトラバース方式マシニングセンタ５１は、ワークを保持するテーブル５５の側を移動が可能であるとともに、スピンドル５２を有するコラム５３（移動台）がサドル５４（基準台）に対して移動する方式である。一方、コラムトラバース方式マシニングセンタ６１では、ベッド６５（基準台）の上に配置されたレールに沿って、ベッド６５（基準台）に対してサドル６４（移動台）が移動する。また、サドル６４上のレールに沿って、サドル６４（基準台）に対してスピンドル６２を有するコラム６３（移動台）が移動する。 For example, with regard to machine tools, the background technology will be described using a representative machining center as an example. The machining center can be divided into two methods, a column traverse method and a table traverse method, both of which are the same. FIG. 6 is a schematic diagram of the table traverse system machining center 51, and FIG. 7 is a schematic diagram of the column traverse system machining center 61. The table traverse system machining center 51 is a system that can move on the side of a table 55 that holds a workpiece, and a column 53 (moving table) having a spindle 52 moves with respect to a saddle 54 (reference table). On the other hand, in the column traverse machining center 61, the saddle 64 (moving table) moves with respect to the bed 65 (reference table) along a rail disposed on the bed 65 (reference table). Further, a column 63 (moving table) having a spindle 62 moves along the rail on the saddle 64 with respect to the saddle 64 (reference table).
　旋盤（たとえば、図５）においても、ベース（基準台）に対して、刃物台（移動台）が相対的に移動する構造をもっている。このように、マシニングセンタや、旋盤などでは、基準台に対して、相対的に移動台が移動する構造となっている。たとえば、コラムトラバース方式マシニングセンタ６１では、サドル６４は、ベッド６５との関係ではベッド６５を基準台としたときに移動台となり、コラム６３との関係では、コラム６３が移動台となるときに基準台となる。基準台が不可動である必要はない。基準台と移動台は、絶対的なものではなく、一方を基準台としたときに、他方がその基準台に対して相対的に移動する移動台となる関係を有するものと定義される。 The lathe (for example, FIG. 5) also has a structure in which the tool post (moving table) moves relative to the base (reference table). As described above, a machining center, a lathe, or the like has a structure in which the moving table moves relative to the reference table. For example, in the column traverse type machining center 61, the saddle 64 is a moving table when the bed 65 is used as a reference table in relation to the bed 65, and the reference table when the column 63 is used as a moving table in relation to the column 63. It becomes. The reference table need not be immobile. The reference table and the moving table are not absolute, and when one is used as a reference table, the other is defined as having a relationship that the other is a moving table that moves relative to the reference table.
　上記のように、マシニングセンタなどのように、基準台に対して相対的に移動台が移動する構成では、移動する部分の変位量は、ワークの加工精度に影響を与える。工作機械では、刃物を高速で回転させるため、加工など工具の回転による振動で移動台の変位が生じる問題がある。そのため、振動により生じる移動台の変位量を低減化することが求められる。 As described above, in a configuration in which the moving table moves relative to the reference table such as a machining center, the displacement amount of the moving part affects the machining accuracy of the workpiece. In a machine tool, since the blade is rotated at a high speed, there is a problem that the displacement of the moving table is caused by vibration caused by rotation of the tool such as machining. Therefore, it is required to reduce the amount of displacement of the moving table caused by vibration.
　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械の変位抑制装置であって、その変位抑制装置は、第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有するスライダに結合されるアクチュエータとを備え、前記アクチュエータは、前記スライダを押圧して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面に当接する第二対向面に押し付ける変位抑制装置により、解決する。 A displacement suppression device for a machine tool, comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table relative to the reference table. The apparatus includes a first slope, a guide attached to the movable table so as to extend along a direction in which the rail extends, and an angle with respect to the first slope that is fixed to the reference table. An actuator coupled to a slider having a bracket having a second slope, a first opposing surface in contact with the first slope, and a second opposing surface in contact with the second slope; This is solved by a displacement suppressing device that presses the slider, presses the first inclined surface against the first opposing surface, and presses against the second opposing surface that contacts the second inclined surface.
　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械の変位抑制装置であって、その変位抑制装置は、第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、前記ガイドはさらに第三斜面を備え、前記ブラケットは前記第三斜面に対して角度を有する第四斜面を備え、前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有する第一スライダに結合される第一アクチュエータとを備え、前記第三斜面に当接する第三対向面と、前記第四斜面に当接する第四対向面とを有する第二スライダに結合される第二アクチュエータとを備え、前記第一アクチュエータは、前記第一スライダを押して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面を第二対向面に押し付け、前記第二アクチュエータは、前記第二スライダを押して、前記第三斜面を前記第三対向面に押し付け、前記第四斜面を第四対向面に押し付ける変位抑制装置により、解決する。 A displacement suppression device for a machine tool, comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table relative to the reference table. The apparatus includes a first slope, a guide attached to the movable table so as to extend along a direction in which the rail extends, and an angle with respect to the first slope that is fixed to the reference table. A bracket comprising a second slope, the guide further comprising a third slope, the bracket comprising a fourth slope having an angle with respect to the third slope, a first facing surface contacting the first slope, A first actuator coupled to a first slider having a second opposing surface in contact with the second slope, a third opposing surface in contact with the third slope, and a fourth in contact with the fourth slope. A second slurry having an opposing surface A second actuator coupled to the first actuator, the first actuator pressing the first slider, pressing the first inclined surface against the first opposing surface, and pressing the second inclined surface against the second opposing surface, The second actuator is solved by a displacement suppression device that pushes the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械であって、第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有するスライダに結合されるアクチュエータとを備え、前記アクチュエータは、前記スライダを押圧して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面に当接する第二対向面に押し付ける変位抑制装置を備える工作機械により、解決する。 A machine tool comprising a reference table provided with a rail, and a moving table positioned above the reference table and moving relative to the reference table on the rail, the machine tool comprising a first slope, A guide attached to the moving table so as to extend along a direction in which a rail extends; a bracket having a second inclined surface fixed to the reference table and having an angle with respect to the first inclined surface; An actuator coupled to a slider having a first opposing surface that abuts on one slope and a second opposing surface that abuts on the second slope, wherein the actuator presses the slider to provide the first slope This is solved by a machine tool provided with a displacement suppression device that presses against the first facing surface and presses against the second facing surface that contacts the second inclined surface.
　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械であって、その変位抑制装置は、第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、前記ガイドはさらに第三斜面を備え、前記ブラケットは前記第三斜面に対して角度を有する第四斜面を備え、前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有する第一スライダに結合される第一アクチュエータとを備え、前記第三斜面に当接する第三対向面と、前記第四斜面に当接する第四対向面とを有する第二スライダに結合される第二アクチュエータとを備え、前記第一アクチュエータは、前記第一スライダを押して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面を第二対向面に押し付け、前記第二アクチュエータは、前記第二スライダを押して、前記第三斜面を前記第三対向面に押し付け、前記第四斜面を第四対向面に押し付ける変位抑制装置を備える工作機械により、解決する。 A machine tool comprising a reference table including a rail, and a moving table positioned above the reference table and moving relative to the reference table on the rail. A guide having a slope and attached to the moving base so as to extend along a direction in which the rail extends; and a second slope fixed to the reference base and having an angle with respect to the first slope. A bracket provided with the guide, the guide further comprising a third slope, the bracket comprising a fourth slope having an angle with respect to the third slope, a first facing surface contacting the first slope, and the second slope A first actuator coupled to a first slider having a second opposing surface that contacts the third slider, and a third opposing surface that contacts the third slope and a fourth opposing surface that contacts the fourth slope. Coupled to the second slider having A second actuator, wherein the first actuator pushes the first slider, presses the first slope against the first opposing surface, presses the second slope against the second opposing surface, and the second actuator This is solved by a machine tool including a displacement suppressing device that pushes the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
　本発明により、工作機械における基準台に対して移動する移動台の変位量を低減化することが可能となる。 According to the present invention, it is possible to reduce the amount of displacement of the moving table that moves relative to the reference table in the machine tool.
本発明の変位抑制装置が適用されるマシニングセンタの全体を示した図である。It is the figure which showed the whole machining center to which the displacement suppression apparatus of this invention is applied. 本発明の変位抑制装置の部分を示した図である。It is the figure which showed the part of the displacement suppression apparatus of this invention. 本発明の実施の形態１の変位抑制装置の外観図である。It is an external view of the displacement suppression apparatus of Embodiment 1 of this invention. 本発明の実施の形態２の変位抑制装置の外観図である。It is an external view of the displacement suppression apparatus of Embodiment 2 of this invention. 本発明の実施の形態３の変位抑制装置の外観図である。It is an external view of the displacement suppression apparatus of Embodiment 3 of this invention. 本発明の実施の形態４の変位抑制装置の外観図である。It is an external view of the displacement suppression apparatus of Embodiment 4 of this invention. 本発明の変位抑制装置を適用した旋盤の外観図である。It is an external view of the lathe to which the displacement suppression apparatus of this invention is applied. テーブルトラバース方式マシニングセンタの概略図である。It is the schematic of a table traverse type machining center. コラムトラバース方式マシニングセンタの概略図である。It is the schematic of a column traverse type machining center.
（実施の形態１）
　図１Ａおよび図１Ｂを参照して、本発明の変位抑制装置１を工作機械に適用した例を説明する。工作機械の代表例として、マシニングセンタ３０について適用する例を説明する。図１Ａは、コラムトラバース方式のマシニングセンタ３０を示した図である。しかし、テーブルトラバース方式のマシニングセンタでも同様である。図１Ａでは、レール３３ａ上を本来摺動するスピンドルは取り外した状態を示している。マシニングセンタ３０は、非可動部である「基準台」としての基部（以下、「ベッド」）３１と、ベッド３１の上にベッド３１に対して相対的に移動可能な「移動台」としてのサドル３２とを具備する。また、サドル３２の上には、サドル３２を「基準台」として、サドル３２に対して移動可能な「移動台」であるコラム３３とを備える。サドル３２にはスピンドルを有するコラム３３が配置される。サドル３２はベッド３１上のレール３４に載置され、サドル３２はそのレール３４に沿って、移動可能である。さらに、サドル３２の上には、ベッド３１上のレール３４の延在方向（第一軸方向）と垂直方向（第二軸方向）に延在する別のレール３５が配置されている。コラム３３は、サドル３２上のレール３５に沿って移動可能である。 (Embodiment 1)
With reference to FIG. 1A and FIG. 1B, the example which applied the displacement suppression apparatus 1 of this invention to the machine tool is demonstrated. An example applied to the machining center 30 will be described as a representative example of a machine tool. FIG. 1A is a diagram showing a column traverse type machining center 30. However, the same applies to a table traverse type machining center. FIG. 1A shows a state where the spindle that originally slides on the rail 33a is removed. The machining center 30 includes a base portion (hereinafter referred to as “bed”) 31 as a “reference stand” that is a non-movable portion, and a saddle 32 as a “movable stand” that can move relative to the bed 31 on the bed 31. It comprises. Further, on the saddle 32, a column 33 which is a “moving base” movable with respect to the saddle 32 is provided with the saddle 32 as a “reference base”. A column 33 having a spindle is disposed on the saddle 32. The saddle 32 is placed on a rail 34 on the bed 31, and the saddle 32 is movable along the rail 34. Further, on the saddle 32, another rail 35 extending in the extending direction (first axial direction) and the vertical direction (second axial direction) of the rail 34 on the bed 31 is disposed. The column 33 is movable along the rail 35 on the saddle 32.
　変位抑制装置１は、変位抑制ガイド２（以下、「ガイド」とよぶ）と、ブラケット３と、アクチュエータ４と、スライダ５と、を備える。ガイド２は、移動台が移動するために基準台に取り付けられているレールに沿って配置される。すなわち移動台をサドル３２とし、基準台をベッド３１とする形態のときには、サドル３２が移動するためにベッド３１の上に配置されるレール３４が延在する方向に移動台であるサドル３２に取り付けられる。なお、本実施の形態の場合ではないが、移動台をコラム３３とし、基準台をサドル３２とする本実施の形態のときには、コラム３３が移動するためにサドル３２の上に配置されるレール３５が延在方向に移動台であるコラム３３に取り付けられる。 The displacement suppression device 1 includes a displacement suppression guide 2 (hereinafter referred to as “guide”), a bracket 3, an actuator 4, and a slider 5. The guide 2 is disposed along a rail that is attached to the reference table so that the moving table moves. That is, when the moving base is the saddle 32 and the reference base is the bed 31, the saddle 32 is attached to the saddle 32 which is the moving base in the direction in which the rail 34 arranged on the bed 31 extends in order to move. It is done. Although not in the case of the present embodiment, in the case of the present embodiment in which the moving base is the column 33 and the reference base is the saddle 32, the rail 35 disposed on the saddle 32 in order to move the column 33. Is attached to the column 33 which is a moving table in the extending direction.
　すなわち、本実施の形態の場合、ガイド２は、サドル３２の移動方向に沿って延在するように、移動台であるサドル３２に固定されている。ブラケット３は、サドル３２の移動方向に沿って延在するように、基準台であるベッド３１に固定されている。ガイド２の長手方向の長さは、ブラケット３の長手方向の長さよりも短い。すなわち、ガイド２とブラケット３の長さは、サドル３２が移動しても、ガイド２の長手方向の全部および大部分がブラケット３の長手方向内に位置するように設定されている。ガイド２は、サドル３２と一体で形成されていることが好ましいが、サドル３２とは別の部材として、サドル３２に固定される形態でもよい。ガイド２は、サドル３２のうち、スピンドル（不図示）に近い箇所に配置することが好ましい。 That is, in the case of the present embodiment, the guide 2 is fixed to the saddle 32 that is a moving base so as to extend along the moving direction of the saddle 32. The bracket 3 is fixed to the bed 31 which is a reference base so as to extend along the moving direction of the saddle 32. The length of the guide 2 in the longitudinal direction is shorter than the length of the bracket 3 in the longitudinal direction. That is, the lengths of the guide 2 and the bracket 3 are set so that all and most of the longitudinal direction of the guide 2 is located in the longitudinal direction of the bracket 3 even if the saddle 32 moves. The guide 2 is preferably formed integrally with the saddle 32, but may be fixed to the saddle 32 as a member different from the saddle 32. The guide 2 is preferably arranged at a location near the spindle (not shown) in the saddle 32.
　変位抑制装置１は、少なくとも一つのアクチュエータ４を必要とする。そして、ガイド２の長手方向に沿って、複数個のアクチュエータ４を所定の間隔をもって配置するとさらに好ましい。ガイド２は、コラム３３の移動方向（サドル３２の移動方向と垂直方向）に突き出た形状をしており、一の斜面（第一斜面）を有している。ブラケット３は、ガイド２の一の斜面と対向する他の斜面（第二斜面）を有している。ガイド２の一の斜面とブラケット３の他の斜面との間には、スライダ５が配置される。アクチュエータ４は、スライダ５をガイド２の一の斜面とブラケット３の他の斜面に押し付けて、ガイド２とブラケット３とを強固に固定する。スライダ５の長さは、一般的には、ブラケット３と同じ長さであることが一般的であるが、ガイド２がブラケット３内を移動できる範囲において、スライダ５がガイド２とブラケット３を押し付けることができれば、長さの制限はない。 The displacement suppression device 1 requires at least one actuator 4. Further, it is more preferable that a plurality of actuators 4 are arranged at a predetermined interval along the longitudinal direction of the guide 2. The guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32), and has one slope (first slope). The bracket 3 has another slope (second slope) facing one slope of the guide 2. A slider 5 is disposed between one slope of the guide 2 and the other slope of the bracket 3. The actuator 4 presses the slider 5 against one slope of the guide 2 and the other slope of the bracket 3 to firmly fix the guide 2 and the bracket 3. The length of the slider 5 is generally the same as that of the bracket 3, but the slider 5 presses the guide 2 and the bracket 3 within a range in which the guide 2 can move in the bracket 3. If possible, there is no limit on the length.
　変位抑制装置１について、さらに詳しく説明する。図２Ａは、マシニングセンタ３０に取り付けられている変位抑制装置１の実施の形態１の断面図を示している。図２Ａは、図１Ａの断面Ｘ－Ｘを示している。ガイド２は、コラム３３の移動方向（サドル３２の移動方向と垂直方向）に突き出た形状をしており、コラム３３の移動方向（サドル３２の移動方向と垂直方向）に対して角度をもった第一斜面２ａを有している。ブラケット３は、第一斜面２ａに対して、角度をもった第二斜面３ａを有している。第一斜面２ａと第二斜面３ａとがなす角は、マシニングセンタ３０の下方向（移動台から基準台に向かう方向）に狭まる角度である。第一斜面２ａと第二斜面３ａとは、コラム３３の移動方向、すなわち一般的には水平（図２Ａの矢印方向）に並ぶように配置される。アクチュエータ４は、たとえば油圧シリンダである。アクチュエータ４はピストン６を具備している。アクチュエータ４のピストン６には、スライダ５が取り付けられている。スライダ５は、第一斜面２ａと対向する第一対向面５ａと、第二斜面３ａと対向する第二対向面５ｂと、を有している。アクチュエータ４は加圧ポート(クランプポート)４ａと連通する室をピストン６の上部に、減圧ポート(アンクランプポート)４ｂと連通する室をピストン６の下部に有する。アクチュエータ４の加圧ポート(クランプポート)４ａから油圧により、ピストン６の上部の室を加圧するとピストン６がスライダ５に向かって加圧される。加圧されたピストン６はスライダ５を第一斜面２ａと第二斜面３ａとに向けて付勢する。そして、第一斜面２ａは第一対向面５ａを押圧し、第二斜面３ａは第二対向面５ｂを押圧する。第一斜面２ａと第二斜面３ａとが、第一対向面５ａと第二対向面５ｂとを押圧すれば、スライダ５によるその押圧力で、ガイド２とブラケット３はコラム３３の移動方向（サドル３２の移動方向と垂直方向）への移動が制限される。さらに、第一斜面２ａと第一対向面５ａとの間の摩擦力と、第二斜面３ａと第二対向面５ｂとの間の摩擦力とにより、ガイド２はブラケット３に対して、サドル３２の移動方向への移動も制限される。すなわち、サドル３２はベッド３１に対して移動が抑制される。スピンドルの回転による加工振動によりコラム３３およびサドル３２の移動が生じても、ガイド２とブラケット３とを押さえつけているアクチュエータ４の固有振動数とは異なるから、ガイド２がブラケット３に対して振動したとしても、その振動は減衰する。アクチュエータ４の加圧ポート(クランプポート)４ａから油圧を減圧し、アクチュエータ４の減圧ポート(アンクランプポート)４ｂからピストン６の下部の室を加圧すると、スライダ５が第一斜面２ａと第二斜面３ａとから離れる方向にピストン６が移動する。これにより、第一斜面２ａと第一対向面５ａとの押圧が解除され、第二斜面３ａと第二対向面５ｂとの押圧が解除される。変位抑制装置１により、ベッド３１に対してのサドル３２の移動が抑制されるので、変位抑制装置１を用いた場合におけるコラム３３の移動量は、変位抑制装置１を用いない場合のコラム３３の移動量よりも小さくなり、加工精度も向上する。 The displacement suppression device 1 will be described in more detail. FIG. 2A shows a cross-sectional view of the first embodiment of the displacement suppressing device 1 attached to the machining center 30. FIG. 2A shows a section XX of FIG. 1A. The guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32) and has an angle with respect to the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32). It has the 1st slope 2a. The bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a. The angle formed by the first inclined surface 2a and the second inclined surface 3a is an angle that narrows downward in the machining center 30 (the direction from the moving table toward the reference table). The first slope 2a and the second slope 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIG. 2A). The actuator 4 is, for example, a hydraulic cylinder. The actuator 4 includes a piston 6. A slider 5 is attached to the piston 6 of the actuator 4. The slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a. The actuator 4 has a chamber communicating with the pressurizing port (clamp port) 4 a at the upper part of the piston 6 and a chamber communicating with the pressure reducing port (unclamp port) 4 b at the lower part of the piston 6. When the upper chamber of the piston 6 is pressurized by hydraulic pressure from the pressure port (clamp port) 4 a of the actuator 4, the piston 6 is pressurized toward the slider 5. The pressurized piston 6 urges the slider 5 toward the first slope 2a and the second slope 3a. And the 1st slope 2a presses the 1st opposing surface 5a, and the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5. The movement in the direction perpendicular to the movement direction of 32 is limited. In addition, the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b. The movement in the moving direction is also restricted. That is, the movement of the saddle 32 with respect to the bed 31 is suppressed. Even if the column 33 and the saddle 32 move due to machining vibration caused by the rotation of the spindle, the guide 2 vibrates with respect to the bracket 3 because the natural frequency of the actuator 4 holding the guide 2 and the bracket 3 is different. Even so, the vibration is attenuated. When the hydraulic pressure is reduced from the pressure port (clamp port) 4a of the actuator 4 and the lower chamber of the piston 6 is pressurized from the pressure reduction port (unclamp port) 4b of the actuator 4, the slider 5 is moved to the first inclined surface 2a and the second slope 2a. The piston 6 moves in a direction away from the slope 3a. Thereby, the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled | released, and the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled | released. Since the movement of the saddle 32 relative to the bed 31 is suppressed by the displacement suppression device 1, the amount of movement of the column 33 when the displacement suppression device 1 is used is that of the column 33 when the displacement suppression device 1 is not used. It becomes smaller than the amount of movement, and the processing accuracy is improved.
（実施の形態２）
　続いて、実施の形態２の変位抑制装置１について、説明する。図２Ｂは、マシニングセンタ３０に取り付けられている変位抑制装置１の実施の形態２の断面図を示している。図２Ｂも、図１Ａの断面Ｘ－Ｘの箇所に対応する。ガイド２は、コラム３３の移動方向（サドル３２の移動方向と垂直方向）に突き出た形状をしており、コラム３３の移動方向（サドル３２の移動方向と垂直方向）に対して角度をもった第一斜面２ａを有している。ブラケット３は、第一斜面２ａに対して、角度をもった第二斜面３ａを有している。第一斜面２ａと第二斜面３ａとは、コラム３３の移動方向、すなわち一般的には水平（図２Ｂの矢印方向）に並ぶように配置される。実施の形態１では、第一斜面２ａと第二斜面３ａとがなす角は、マシニングセンタ３０の下方向に狭まる角度であったが、実施の形態２では、第一斜面２ａと第二斜面３ａとがなす角は、マシニングセンタ３０の上方向（基準台から移動台に向かう方向）に向かって狭まる角度である。アクチュエータ４は、たとえば油圧シリンダである。アクチュエータ４はピストン６を具備している。アクチュエータ４のピストン６には、スライダ５が取り付けられている。スライダ５は、第一斜面２ａと対向する第一対向面５ａと、第二斜面３ａと対向する第二対向面５ｂと、を有している。アクチュエータ４の加圧ポート(クランプポート)４ａから実施の形態１と同様に油圧によりピストン６を加圧すると、ピストン６はマシニングセンタ３０の上側にスライダ５を引っ張り上げてスライダ５を第一斜面２ａと第二斜面３ａとに向けて付勢する。実施の形態１と異なり、マシニングセンタ３０の上側に向かって狭まる角度となっている。そして、第一斜面２ａは第一対向面５ａを押圧し、第二斜面３ａは第二対向面５ｂを押圧する。第一斜面２ａと第二斜面３ａとが、第一対向面５ａと第二対向面５ｂとを押圧すれば、スライダ５によるその押圧力で、ガイド２とブラケット３はコラム３３の移動方向（サドル３２の移動方向と垂直方向）への移動が制限される。さらに、第一斜面２ａと第一対向面５ａとの間の摩擦力と、第二斜面３ａと第二対向面５ｂとの間の摩擦力とにより、ガイド２はブラケット３に対して、サドル３２の移動方向への移動も制限される。すなわち、サドル３２はベッド３１に対して移動が抑制される。スピンドルの回転による加工振動によりコラム３３およびサドル３２の移動が生じても、ガイド２とブラケット３とを押さえつけているアクチュエータ４の固有振動数とは異なるから、ガイド２がブラケット３に対して振動したとしても、その振動は減衰する。実施の形態１と同様に、アクチュエータ４の加圧ポート(クランプポート)４ａから油圧を減圧し、アクチュエータ４の減圧ポート(アンクランプポート)４ｂからピストン６の下部の室を加圧すると、スライダ５が第一斜面２ａと第二斜面３ａとから離れる方向にピストン６が移動する。これにより、第一斜面２ａと第一対向面５ａとの押圧が解除され、第二斜面３ａと第二対向面５ｂとの押圧が解除される。変位抑制装置１により、ベッド３１に対してのサドル３２の移動が抑制されるので、変位抑制装置１を用いた場合におけるコラム３３の移動量は、変位抑制装置１を用いない場合のコラム３３の移動量よりも小さくなり、加工精度も向上する。 (Embodiment 2)
Next, the displacement suppression device 1 according to Embodiment 2 will be described. FIG. 2B shows a cross-sectional view of the second embodiment of the displacement suppressing device 1 attached to the machining center 30. FIG. 2B also corresponds to the section XX in FIG. 1A. The guide 2 has a shape protruding in the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32) and has an angle with respect to the moving direction of the column 33 (perpendicular to the moving direction of the saddle 32). It has the 1st slope 2a. The bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a. The first slope 2a and the second slope 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIG. 2B). In the first embodiment, the angle formed by the first inclined surface 2a and the second inclined surface 3a is an angle that narrows downward in the machining center 30, but in the second embodiment, the first inclined surface 2a, the second inclined surface 3a, The angle formed by the angle is an angle that narrows in the upward direction of the machining center 30 (the direction from the reference platform to the moving platform). The actuator 4 is, for example, a hydraulic cylinder. The actuator 4 includes a piston 6. A slider 5 is attached to the piston 6 of the actuator 4. The slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a. When the piston 6 is pressurized by hydraulic pressure from the pressurizing port (clamp port) 4a of the actuator 4 in the same manner as in the first embodiment, the piston 6 pulls up the slider 5 to the upper side of the machining center 30, and the slider 5 is moved to the first inclined surface 2a. It urges | biases toward the 2nd slope 3a. Unlike the first embodiment, the angle is narrowed toward the upper side of the machining center 30. And the 1st slope 2a presses the 1st opposing surface 5a, and the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5. The movement in the direction perpendicular to the movement direction of 32 is limited. In addition, the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b. The movement in the moving direction is also restricted. That is, the movement of the saddle 32 with respect to the bed 31 is suppressed. Even if the column 33 and the saddle 32 move due to machining vibration caused by the rotation of the spindle, the guide 2 vibrates with respect to the bracket 3 because the natural frequency of the actuator 4 holding the guide 2 and the bracket 3 is different. Even so, the vibration is attenuated. Similarly to the first embodiment, when the hydraulic pressure is reduced from the pressure port (clamp port) 4a of the actuator 4 and the chamber below the piston 6 is pressurized from the pressure reduction port (unclamp port) 4b of the actuator 4, the slider 5 The piston 6 moves in a direction away from the first slope 2a and the second slope 3a. Thereby, the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled | released, and the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled | released. Since the movement of the saddle 32 relative to the bed 31 is suppressed by the displacement suppression device 1, the amount of movement of the column 33 when the displacement suppression device 1 is used is that of the column 33 when the displacement suppression device 1 is not used. It becomes smaller than the amount of movement, and the processing accuracy is improved.
（実施の形態３）
　続いて、実施の形態３の変位抑制装置１について、説明する。図３は、マシニングセンタ３０に取り付けられている変位抑制装置１の実施の形態３の断面図を示している。図３も、図１Ａの断面Ｘ－Ｘの箇所に対応する。ガイド２は、コラム３３の移動方向に突き出た形状をしており、コラム３３の移動方向に対して角度をもった第一斜面２ａを有している。ブラケット３は、第一斜面２ａに対して、角度をもった第二斜面３ａを有している。第一斜面２ａと第二斜面３ａとがなす角は、マシニングセンタ３０のコラム３３の移動方向に狭まる角度である。第一斜面２ａと第二斜面３ａとは、コラム３３の移動方向と垂直、すなわち一般的には鉛直（図３の矢印方向）に並ぶように配置される。アクチュエータ４はピストン６を具備している。アクチュエータ４のピストン６には、スライダ５が取り付けられている。スライダ５は、第一斜面２ａと対向する第一対向面５ａと、第二斜面３ａと対向する第二対向面５ｂと、を有している。実施の形態１と同様にアクチュエータ４の加圧ポート(クランプポート)４ａから油圧によりピストン６を加圧すると、ピストン６はスライダ５を第一斜面２ａと第二斜面３ａとに向けて付勢する。そして、第一斜面２ａは第一対向面５ａを押圧し、第二斜面３ａは第二対向面５ｂを押圧する。第一斜面２ａと第二斜面３ａとが、第一対向面５ａと第二対向面５ｂとを押圧すれば、スライダ５によるその押圧力で、ガイド２とブラケット３はコラム３３の移動方向（サドル３２の移動方向と垂直方向）への移動が制限される。さらに、第一斜面２ａと第一対向面５ａとの間の摩擦力と、第二斜面３ａと第二対向面５ｂとの間の摩擦力とにより、ガイド２はブラケット３に対して、サドル３２の移動方向への移動も制限される。すなわち、サドル３２はベッド３１に対して移動が抑制される。スピンドルの回転による加工振動によりコラム３３およびサドル３２の移動が生じても、ガイド２とブラケット３とを押さえつけているアクチュエータ４の固有振動数とは異なるから、ガイド２がブラケット３に対して振動したとしても、その振動は減衰する。実施の形態１と同様にアクチュエータ４の油圧を減圧すると、スライダ５が第一斜面２ａと第二斜面３ａとから離れる方向にピストン６が移動する。これにより、第一斜面２ａと第一対向面５ａとの押圧が解除され、第二斜面３ａと第二対向面５ｂとの押圧が解除される。変位抑制装置１により、ベッド３１に対してのサドル３２の移動が抑制されるので、変位抑制装置１を用いた場合におけるコラム３３の移動量は、変位抑制装置１を用いない場合のコラム３３の移動量よりも小さくなり、加工精度も向上する。 (Embodiment 3)
Then, the displacement suppression apparatus 1 of Embodiment 3 is demonstrated. FIG. 3 shows a cross-sectional view of the third embodiment of the displacement suppressing device 1 attached to the machining center 30. FIG. 3 also corresponds to the section XX in FIG. 1A. The guide 2 has a shape protruding in the moving direction of the column 33 and has a first inclined surface 2 a having an angle with respect to the moving direction of the column 33. The bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a. The angle formed by the first inclined surface 2 a and the second inclined surface 3 a is an angle that narrows in the moving direction of the column 33 of the machining center 30. The first inclined surface 2a and the second inclined surface 3a are arranged so as to be aligned with the moving direction of the column 33, that is, generally in the vertical direction (the arrow direction in FIG. 3). The actuator 4 includes a piston 6. A slider 5 is attached to the piston 6 of the actuator 4. The slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a. As in the first embodiment, when the piston 6 is pressurized by hydraulic pressure from the pressure port (clamp port) 4a of the actuator 4, the piston 6 biases the slider 5 toward the first inclined surface 2a and the second inclined surface 3a. . And the 1st slope 2a presses the 1st opposing surface 5a, and the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the guide 2 and the bracket 3 move in the moving direction of the column 33 (saddle) by the pressing force of the slider 5. The movement in the direction perpendicular to the movement direction of 32 is limited. In addition, the guide 2 has a saddle 32 against the bracket 3 by the frictional force between the first inclined surface 2a and the first opposing surface 5a and the frictional force between the second inclined surface 3a and the second opposing surface 5b. The movement in the moving direction is also restricted. That is, the movement of the saddle 32 with respect to the bed 31 is suppressed. Even if the column 33 and the saddle 32 move due to machining vibration caused by the rotation of the spindle, the guide 2 vibrates with respect to the bracket 3 because the natural frequency of the actuator 4 holding the guide 2 and the bracket 3 is different. Even so, the vibration is attenuated. As in the first embodiment, when the hydraulic pressure of the actuator 4 is reduced, the piston 6 moves in a direction in which the slider 5 moves away from the first slope 2a and the second slope 3a. Thereby, the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled | released, and the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled | released. Since the movement of the saddle 32 relative to the bed 31 is suppressed by the displacement suppression device 1, the amount of movement of the column 33 when the displacement suppression device 1 is used is that of the column 33 when the displacement suppression device 1 is not used. It becomes smaller than the amount of movement, and the processing accuracy is improved.
（実施の形態４）
　続いて、実施の形態４の変位抑制装置１について、説明する。図４は、マシニングセンタ３０に取り付けられている変位抑制装置１の実施の形態４の断面図を示している。図４も、図１Ａの断面Ｘ－Ｘの箇所に対応する。実施の形態４は、実施の形態１と実施の形態３とを組み合わせた形態である。すなわち、実施の形態１と同様に、まず、ガイド２は、コラム３３の移動方向に突き出た形状をしており、コラム３３の移動方向に対して角度をもった第一斜面２ａを有している。ブラケット３は、第一斜面２ａに対して、角度をもった第二斜面３ａを有している。第一斜面２ａと第二斜面３ａとがなす角は、マシニングセンタ３０の下方向に狭まる角度である。第一斜面２ａと第二斜面３ａとは、コラム３３の移動方向、すなわち一般的には水平（図２Ａおよび図２Ｂの矢印方向）に並ぶように配置される。アクチュエータ４は、たとえば油圧シリンダである。アクチュエータ４はピストン６を具備している。アクチュエータ４のピストン６には、スライダ５が取り付けられている。スライダ５は、第一斜面２ａと対向する第一対向面５ａと、第二斜面３ａと対向する第二対向面５ｂと、を有している。実施の形態１と同様にアクチュエータ４の加圧ポート(クランプポート)４ａから油圧によりピストン６を加圧すると、ピストン６はスライダ５を第一斜面２ａと第二斜面３ａとに向けて付勢する。そして、第一斜面２ａは第一対向面５ａを押圧し、第二斜面３ａは第二対向面５ｂを押圧する。第一斜面２ａと第二斜面３ａとが、第一対向面５ａと第二対向面５ｂとを押圧すれば、スライダ５によって、ガイド２とブラケット３はコラム３３の移動方向への移動が制限される。ガイド２がブラケット３に対してコラム３３の移動方向へ振動を起こしても、アクチュエータ４の固有振動数と異なるように設定すれば、ガイド２がブラケット３に対して振動したとしても、その振動は減衰する。 (Embodiment 4)
Then, the displacement suppression apparatus 1 of Embodiment 4 is demonstrated. FIG. 4 shows a cross-sectional view of the fourth embodiment of the displacement suppressing device 1 attached to the machining center 30. FIG. 4 also corresponds to the location of section XX in FIG. 1A. The fourth embodiment is a combination of the first embodiment and the third embodiment. That is, as in the first embodiment, first, the guide 2 has a shape protruding in the moving direction of the column 33, and has a first inclined surface 2a having an angle with respect to the moving direction of the column 33. Yes. The bracket 3 has a second inclined surface 3a having an angle with respect to the first inclined surface 2a. The angle formed by the first slope 2 a and the second slope 3 a is an angle that narrows downward in the machining center 30. The first inclined surface 2a and the second inclined surface 3a are arranged so as to be aligned in the moving direction of the column 33, that is, generally in the horizontal direction (the arrow direction in FIGS. 2A and 2B). The actuator 4 is, for example, a hydraulic cylinder. The actuator 4 includes a piston 6. A slider 5 is attached to the piston 6 of the actuator 4. The slider 5 has a first facing surface 5a facing the first slope 2a and a second facing surface 5b facing the second slope 3a. As in the first embodiment, when the piston 6 is pressurized by hydraulic pressure from the pressure port (clamp port) 4a of the actuator 4, the piston 6 biases the slider 5 toward the first inclined surface 2a and the second inclined surface 3a. . And the 1st slope 2a presses the 1st opposing surface 5a, and the 2nd slope 3a presses the 2nd opposing surface 5b. If the first inclined surface 2a and the second inclined surface 3a press the first opposing surface 5a and the second opposing surface 5b, the slider 5 restricts the movement of the column 33 in the moving direction of the column 33 by the slider 5. The Even if the guide 2 vibrates in the moving direction of the column 33 with respect to the bracket 3, if the guide 2 vibrates with respect to the bracket 3 even if the guide 2 vibrates with respect to the bracket 3, the vibration is Attenuates.
　また、実施の形態３と同様に、ガイド２は、コラム３３の移動方向に対して角度をもった第三斜面２ｂを、第一斜面２ａと別に、有している。ブラケット３は、第三斜面２ｂに対して角度を有する第四斜面３ｂを、第二斜面３ａとは別に、有している。第三斜面２ｂと第四斜面３ｂとは、鉛直（図３の矢印方向）方向に並んでいる。実施の形態３では、アクチュエータ１０はピストン９を具備している。アクチュエータ１０のピストン９には、スライダ８が取り付けられている。スライダ８は、第三斜面２ｂと対向する第一対向面８ａと、第四斜面３ｂと対向する第二対向面８ｂと、を有している。アクチュエータ１０の加圧ポート(クランプポート)１０ａから油圧によりピストン９を加圧すると、ピストン９はスライダ８を第三斜面２ｂと第四斜面３ｂとに向けて付勢する。そして、第三斜面２ｂは第一対向面８ａを押圧し、第四斜面３ｂは第二対向面８ｂを押圧する。第三斜面２ｂと第四斜面３ｂとが、第一対向面８ａと第二対向面８ｂとを押圧すれば、スライダ８によって、ガイド２とブラケット３はコラム３３の移動方向への移動が制限される。ガイド２とブラケット３とがコラム３３の移動方向へ振動を起こしても、アクチュエータ１０の固有振動数と異なるように設定し、ガイド２がブラケット３に対して振動したとしても、その振動は減衰する。 Further, similarly to the third embodiment, the guide 2 has a third inclined surface 2b having an angle with respect to the moving direction of the column 33, separately from the first inclined surface 2a. The bracket 3 has a fourth slope 3b having an angle with respect to the third slope 2b, separately from the second slope 3a. The third inclined surface 2b and the fourth inclined surface 3b are arranged in the vertical (arrow direction in FIG. 3) direction. In the third embodiment, the actuator 10 includes a piston 9. A slider 8 is attached to the piston 9 of the actuator 10. The slider 8 has a first facing surface 8a facing the third slope 2b, and a second facing surface 8b facing the fourth slope 3b. When the piston 9 is pressurized by hydraulic pressure from the pressure port (clamp port) 10a of the actuator 10, the piston 9 urges the slider 8 toward the third inclined surface 2b and the fourth inclined surface 3b. And the 3rd slope 2b presses the 1st opposing surface 8a, and the 4th slope 3b presses the 2nd opposing surface 8b. If the third inclined surface 2b and the fourth inclined surface 3b press the first opposing surface 8a and the second opposing surface 8b, the slider 8 restricts the movement of the column 2 in the moving direction of the column 33 by the slider 8. The Even if the guide 2 and the bracket 3 vibrate in the moving direction of the column 33, even if the guide 2 vibrates with respect to the bracket 3, the vibration is attenuated even if the natural frequency of the actuator 10 is set. .
　アクチュエータ４の減圧ポート(アンクランプポート)４ｂからアクチュエータ４の油圧を減圧すると、スライダ５が第一斜面２ａと第二斜面３ａとから離れる方向にピストン６が移動する。これにより、第一斜面２ａと第一対向面５ａとの押圧が解除され、第二斜面３ａと第二対向面５ｂとの押圧が解除される。また、同様に、アクチュエータ１０の減圧ポート(アンクランプポート)１０ｂからアクチュエータ１０の油圧を減圧すると、スライダ８が第三斜面２ｂと第四斜面３ｂとから離れる方向にピストン９が移動する。これにより、第三斜面２ｂと第一対向面８ａとの押圧が解除され、第四斜面３ｂと第二対向面８ｂとの押圧が解除される。 When the hydraulic pressure of the actuator 4 is reduced from the decompression port (unclamp port) 4b of the actuator 4, the piston 6 moves in a direction in which the slider 5 moves away from the first slope 2a and the second slope 3a. Thereby, the press with the 1st slope 2a and the 1st opposing surface 5a is cancelled | released, and the press with the 2nd slope 3a and the 2nd opposing surface 5b is cancelled | released. Similarly, when the hydraulic pressure of the actuator 10 is reduced from the pressure reducing port (unclamp port) 10b of the actuator 10, the piston 9 moves in a direction in which the slider 8 moves away from the third inclined surface 2b and the fourth inclined surface 3b. Thereby, the press with the 3rd slope 2b and the 1st opposing surface 8a is cancelled | released, and the press with the 4th slope 3b and the 2nd opposing surface 8b is cancelled | released.
　実施の形態４において、アクチュエータ４のスライダ５の第一対向面５ａと第二対向面５ｂは、実施の形態１と同様に、マシニングセンタ３０の下側に向かって狭まる形態である。しかし、実施の形態２と同様に、マシニングセンタ３０の上側に向かって狭まる形態としてもよい。 In the fourth embodiment, the first opposing surface 5a and the second opposing surface 5b of the slider 5 of the actuator 4 are configured to narrow toward the lower side of the machining center 30 as in the first embodiment. However, as in the second embodiment, it may be configured to narrow toward the upper side of the machining center 30.
　前記のとおり、図１Ａのように、コラムトラバース方式マシニングセンタで、ベッド３１を基準台とし、その上に配置されたレールに沿って、基準台としてのベッド３１に対して、移動台としてのサドル３２が移動する例に変位抑制装置１を適用することができる旨を説明した。しかし、コラムトラバース方式マシニングセンタにおいて、サドル３２を基準台とし、コラム３３を移動台として、変位抑制装置１を適用することができる。すなわち、サドル３２上のレールに沿って、基準台としてのサドル３２に対して、スピンドルを有する移動台としてのコラム３３が移動する場合に適用できる。この場合には、ガイド２をコラム３３に、ブラケット３をサドル３２に取り付ける。ガイド２およびブラケット３と、アクチュエータ４との関係は、実施の形態１から４と全く同じ関係で適用することができる。ガイド２およびブラケット３は、基準台に対して相対的に移動台が移動する方向に沿って延在するように、ガイド２を移動台に、ブラケット３を基準台に、それぞれ取り付ける限り、どの位置に取り付けても良い。特に、回転するスピンドルが配置されている側のコラム３３にガイド２を配置するように、変位抑制装置１を適用すると効果的である。 As described above, as shown in FIG. 1A, in a column traverse type machining center, a bed 31 is used as a reference table, and a saddle 32 as a moving table is provided with respect to the bed 31 as a reference table along a rail arranged thereon. It has been explained that the displacement suppressing device 1 can be applied to an example in which the movement is performed. However, in the column traverse machining center, the displacement suppression device 1 can be applied using the saddle 32 as a reference base and the column 33 as a moving base. That is, the present invention can be applied to a case where a column 33 as a moving table having a spindle moves along a rail on the saddle 32 with respect to the saddle 32 as a reference table. In this case, the guide 2 is attached to the column 33 and the bracket 3 is attached to the saddle 32. The relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments. As long as the guide 2 and the bracket 3 are attached to the moving table and the bracket 3 to the reference table so that they extend along the direction in which the moving table moves relative to the reference table, It may be attached to. In particular, it is effective to apply the displacement suppressing device 1 so that the guide 2 is arranged on the column 33 on the side where the rotating spindle is arranged.
　さらには、コラムトラバース方式マシニングセンタに限らず、図６に示すようなテーブルトラバース方式でも同様に適用できる。すなわち、基準台としてのサドル５４に対し、移動台としてのコラム５３に、変位抑制装置を適用する。この場合、ガイド２をコラム５３に取り付けて、ブラケット３をサドルに取り付ける。ガイド２およびブラケット３と、アクチュエータ４との関係は、前記の実施の形態１から４と全く同じ関係で適用することができる。また、コラムトラバース方式の場合と同様に、ガイド２およびブラケット３は、基準台に対して相対的に移動台が移動する方向に沿って延在するように、ガイド２を移動台に、ブラケット３を基準台に、それぞれ取り付ける限り、どの位置に取り付けても良い。特に、回転するスピンドル５２が配置されている側のコラム３３にガイド２を配置するように、変位抑制装置１を適用すると効果的である。 Furthermore, not only the column traverse type machining center but also the table traverse type as shown in FIG. 6 can be similarly applied. In other words, the displacement suppressing device is applied to the column 53 as the moving table with respect to the saddle 54 as the reference table. In this case, the guide 2 is attached to the column 53 and the bracket 3 is attached to the saddle. The relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments. Similarly to the column traverse method, the guide 2 and the bracket 3 are mounted on the moving table so that the guide 2 and the bracket 3 extend along the direction in which the moving table moves relative to the reference table. As long as each is attached to the reference stand, it may be attached at any position. In particular, it is effective to apply the displacement suppressing device 1 so that the guide 2 is arranged on the column 33 on the side where the rotating spindle 52 is arranged.
　また、さらに、マシニングセンタのみならず、旋盤などの工作機械全般においても、適用することができる。すなわち、一方が基準台となり、他方がその基準台に対して相対的に移動する移動台となる関係を有する工作機械である限り、本発明の変位抑制装置を適用することができる。たとえば、図５に示す旋盤の場合、基準台としてのベース２１と、それに対して相対的に移動する移動台としての刃物台２２とを有している。したがって、本発明の変位抑制装置を適用することができる。ガイド２を移動台である刃物台２２に、ブラケットを基準台であるベース２１に、取り付ける。ガイド２およびブラケット３と、アクチュエータ４との関係は、前記の実施の形態１から４と全く同じ関係で適用することができる。すなわち、図５に示す変位抑制装置１の断面Ｙ－Ｙは、図２Ａから図４に対応する形態で、適用することができる。ガイド２およびブラケット３は、基準台に対して相対的に移動台が移動する方向に沿って延在するように、ガイド２を移動台に、ブラケット３を基準台に、それぞれ取り付ける限り、どの位置に取り付けても良い点もマシニングセンタと同様である。特に、回転する刃物が配置されている付近の刃物台２２にガイド２を配置するように、変位抑制装置１を適用すると効果的である。 Furthermore, it can be applied not only to machining centers but also to machine tools such as lathes. That is, the displacement suppressing device of the present invention can be applied as long as the machine tool has a relationship in which one is a reference table and the other is a moving table that moves relative to the reference table. For example, the lathe shown in FIG. 5 has a base 21 as a reference base and a tool post 22 as a moving base that moves relative to the base 21. Therefore, the displacement suppression device of the present invention can be applied. The guide 2 is attached to the tool rest 22 which is a moving base, and the bracket is attached to the base 21 which is a reference base. The relationship between the guide 2 and the bracket 3 and the actuator 4 can be applied in exactly the same relationship as in the first to fourth embodiments. That is, the cross section YY of the displacement suppression device 1 shown in FIG. 5 can be applied in a form corresponding to FIGS. 2A to 4. As long as the guide 2 and the bracket 3 are attached to the moving table and the bracket 3 to the reference table so that they extend along the direction in which the moving table moves relative to the reference table, The points that may be attached to the machining center are the same as those of the machining center. In particular, it is effective to apply the displacement suppressing device 1 so that the guide 2 is disposed on the tool post 22 in the vicinity of the rotating blade.
　１　変位抑制装置
　２　ガイド
　３　ブラケット
　４，１０　アクチュエータ
　５，８　スライダ
　６，９　ピストン

  DESCRIPTION OF SYMBOLS 1 Displacement suppression apparatus 2 Guide 3 Bracket 4,10 Actuator 5,8 Slider 6,9 Piston

Claims (14)

  1. 　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械の変位抑制装置であって、
    　その変位抑制装置は、
    　第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、
    　前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、
    　前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有するスライダに結合されるアクチュエータとを備え、
    　前記アクチュエータは、前記スライダを押圧して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面に当接する第二対向面に押し付ける変位抑制装置。     A displacement suppression device for a machine tool, comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table on the rail,
    The displacement suppression device is
    A guide having a first slope and attached to the moving table so as to extend along a direction in which the rail extends;
    A bracket having a second slope fixed to the reference base and having an angle with respect to the first slope;
    An actuator coupled to a slider having a first opposing surface in contact with the first slope and a second opposing surface in contact with the second slope;
    The actuator is a displacement suppression device that presses the slider, presses the first inclined surface against the first opposing surface, and presses against the second opposing surface contacting the second inclined surface.
  2. 　請求項１に記載の変位抑制装置であって、
    　前記第一斜面と前記第二斜面は、水平方向に、対向する位置関係にある変位抑制装置。     The displacement suppressing device according to claim 1,
    The first slope and the second slope are displacement suppressing devices that are in a positional relationship facing each other in the horizontal direction.
  3. 　請求項１に記載の変位抑制装置であって、
    　前記第一斜面と前記第二斜面は、鉛直方向に、対向する位置関係にある変位抑制装置。     The displacement suppressing device according to claim 1,
    The first slope and the second slope are displacement suppression devices that are in a positional relationship facing each other in the vertical direction.
  4. 　請求項１または２に記載の変位抑制装置であって、
    　前記第一斜面と前記第二斜面とのなす角度は、前記移動台から前記基準台に向かう方向に狭まっている変位抑制装置。     The displacement suppressing device according to claim 1 or 2,
    The displacement suppression device in which an angle formed by the first slope and the second slope is narrowed in a direction from the movable base toward the reference base.
  5. 　請求項３に記載の変位抑制装置であって、
    　前記第一斜面と前記第二斜面とのなす角度は、前記基準台から前記移動台に向かう方向に狭まっている変位抑制装置。     The displacement suppressing device according to claim 3,
    The displacement suppression device in which an angle formed by the first slope and the second slope is narrowed in a direction from the reference base toward the moving base.
  6. 　請求項１から５のいずれか一項に記載の変位抑制装置であって、前記工作機械はマシニングセンタであって、
    　前記基準台は前記マシニングセンタのベッドであって、前記移動台は前記マシニングセンタのサドルである変位抑制装置。     The displacement suppression device according to any one of claims 1 to 5, wherein the machine tool is a machining center,
    The displacement control device, wherein the reference table is a bed of the machining center, and the movable table is a saddle of the machining center.
  7. 　請求項１から５のいずれか一項に記載の変位抑制装置であって、前記工作機械はマシニングセンタであって、
    　前記基準台は前記マシニングセンタのサドルであって、前記移動台は前記マシニングセンタのコラムである変位抑制装置。     The displacement suppression device according to any one of claims 1 to 5, wherein the machine tool is a machining center,
    The displacement control device, wherein the reference table is a saddle of the machining center, and the movable table is a column of the machining center.
  8. 　請求項１から５のいずれか一項に記載の変位抑制装置であって、前記工作機械は旋盤であって、
    　前記基準台は前記旋盤のベース部であって、前記移動台は前記旋盤の刃物台である変位抑制装置。     The displacement suppressing device according to any one of claims 1 to 5, wherein the machine tool is a lathe,
    The reference table is a base part of the lathe, and the moving table is a tool post of the lathe.
  9. 　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械の変位抑制装置であって、
    　その変位抑制装置は、
    　第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、
    　前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、
    　前記ガイドはさらに第三斜面を備え、
    　前記ブラケットは前記第三斜面に対して角度を有する第四斜面を備え、
    　前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有する第一スライダに結合される第一アクチュエータとを備え、
    　前記第三斜面に当接する第三対向面と、前記第四斜面に当接する第四対向面とを有する第二スライダに結合される第二アクチュエータとを備え、
    　前記第一アクチュエータは、前記第一スライダを押して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面を第二対向面に押し付け、
    　前記第二アクチュエータは、前記第二スライダを押して、前記第三斜面を前記第三対向面に押し付け、前記第四斜面を第四対向面に押し付ける変位抑制装置。     A displacement suppression device for a machine tool, comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table on the rail,
    The displacement suppression device is
    A guide having a first slope and attached to the moving table so as to extend along a direction in which the rail extends;
    A bracket having a second slope fixed to the reference base and having an angle with respect to the first slope;
    The guide further comprises a third slope,
    The bracket includes a fourth slope having an angle with respect to the third slope,
    A first actuator coupled to a first slider having a first opposing surface in contact with the first slope and a second opposing surface in contact with the second slope;
    A second actuator coupled to a second slider having a third opposing surface in contact with the third slope and a fourth opposing surface in contact with the fourth slope;
    The first actuator pushes the first slider, presses the first slope against the first facing surface, presses the second slope against the second facing surface,
    The second actuator is a displacement suppression device that presses the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
  10. 　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械であって、
    　第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、
    　前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、
    　前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有するスライダに結合されるアクチュエータとを備え、
    　前記アクチュエータは、前記スライダを押圧して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面に当接する第二対向面に押し付ける変位抑制装置を備える工作機械。     A machine tool comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table on the rail,
    A guide having a first slope and attached to the moving table so as to extend along a direction in which the rail extends;
    A bracket having a second slope fixed to the reference base and having an angle with respect to the first slope;
    An actuator coupled to a slider having a first opposing surface in contact with the first slope and a second opposing surface in contact with the second slope;
    The actuator includes a displacement suppression device that presses the slider, presses the first slope against the first facing surface, and presses against the second facing surface that contacts the second slope.
  11. 　レールを備える基準台と、その基準台の上方に位置し前記基準台に対して前記レールの上を相対的に移動する移動台と、を備える工作機械であって、
    　その変位抑制装置は、
    　第一斜面を備え、前記レールが延在する方向に沿って延在するように前記移動台に取り付けられるガイドと、
    　前記基準台に固定され、前記第一斜面に対して角度を有する第二斜面を備えるブラケットと、
    　前記ガイドはさらに第三斜面を備え、
    　前記ブラケットは前記第三斜面に対して角度を有する第四斜面を備え、
    　前記第一斜面に当接する第一対向面と、前記第二斜面に当接する第二対向面とを有する第一スライダに結合される第一アクチュエータとを備え、
    　前記第三斜面に当接する第三対向面と、前記第四斜面に当接する第四対向面とを有する第二スライダに結合される第二アクチュエータとを備え、
    　前記第一アクチュエータは、前記第一スライダを押して、前記第一斜面を前記第一対向面に押し付け、前記第二斜面を第二対向面に押し付け、
    　前記第二アクチュエータは、前記第二スライダを押して、前記第三斜面を前記第三対向面に押し付け、前記第四斜面を第四対向面に押し付ける変位抑制装置を備える工作機械。     A machine tool comprising: a reference table provided with a rail; and a moving table positioned above the reference table and moving relative to the reference table on the rail,
    The displacement suppression device is
    A guide having a first slope and attached to the moving table so as to extend along a direction in which the rail extends;
    A bracket having a second slope fixed to the reference base and having an angle with respect to the first slope;
    The guide further comprises a third slope,
    The bracket includes a fourth slope having an angle with respect to the third slope,
    A first actuator coupled to a first slider having a first opposing surface in contact with the first slope and a second opposing surface in contact with the second slope;
    A second actuator coupled to a second slider having a third opposing surface in contact with the third slope and a fourth opposing surface in contact with the fourth slope;
    The first actuator pushes the first slider, presses the first slope against the first facing surface, presses the second slope against the second facing surface,
    The second actuator is a machine tool including a displacement suppressing device that presses the second slider, presses the third inclined surface against the third opposing surface, and presses the fourth inclined surface against the fourth opposing surface.
  12. 　請求項１０または１１に記載の工作機械であって、前記工作機械はマシニングセンタであって、
    　前記基準台は前記マシニングセンタのベッドであって、前記移動台は前記マシニングセンタのサドルである工作機械。     The machine tool according to claim 10 or 11, wherein the machine tool is a machining center,
    The machine tool wherein the reference table is a bed of the machining center and the movable table is a saddle of the machining center.
  13. 　請求項１０または１１に記載の工作機械であって、前記工作機械はマシニングセンタであって、
    　前記基準台は前記マシニングセンタのサドルであって、前記移動台は前記マシニングセンタのコラムである工作機械。     The machine tool according to claim 10 or 11, wherein the machine tool is a machining center,
    The machine tool, wherein the reference table is a saddle of the machining center, and the movable table is a column of the machining center.
  14. 　請求項１０または１１に記載の工作機械であって、前記工作機械は旋盤であって、
    　前記基準台は前記旋盤のベース部であって、前記移動台は前記旋盤の刃物台である工作機械。
     
     

          The machine tool according to claim 10 or 11, wherein the machine tool is a lathe,
    The machine tool in which the reference table is a base part of the lathe and the moving table is a tool post of the lathe.



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