WO2016129879A1 - 5축 가공기 - Google Patents
5축 가공기 Download PDFInfo
- Publication number
- WO2016129879A1 WO2016129879A1 PCT/KR2016/001273 KR2016001273W WO2016129879A1 WO 2016129879 A1 WO2016129879 A1 WO 2016129879A1 KR 2016001273 W KR2016001273 W KR 2016001273W WO 2016129879 A1 WO2016129879 A1 WO 2016129879A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spindle
- tilting
- shaft
- power transmission
- head
- Prior art date
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Classifications
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/12—Milling machines not designed for particular work or special operations with spindle adjustable to different angles, e.g. either horizontal or vertical
-
- 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
-
- 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
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
- B23Q1/623—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair followed perpendicularly by a single rotating pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/06—Milling machines not designed for particular work or special operations with one vertical working-spindle
-
- 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
- B23Q2220/00—Machine tool components
- B23Q2220/006—Spindle heads
-
- 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
- B23Q2701/00—Members which are comprised in the general build-up of a form of the machine
- B23Q2701/02—Movable or adjustable work or tool supports for milling machines, their drive, control or guiding
-
- 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
- B23Q2705/00—Driving working spindles or feeding members carrying tools or work
- B23Q2705/10—Feeding members carrying tools or work
- B23Q2705/104—Feeding members carrying tools or work for milling machines
Definitions
- the present invention relates to a five-axis machine, and more particularly to a five-axis machine with a tiltable spindle module.
- a machine tool refers to a machine that uses a variety of cutting or non-cutting methods for the purpose of processing a metal or non-metal workpiece into a desired shape and dimensions using a variety of tools.
- Machine tools are largely classified into turning centers and machining centers according to the machining method.
- the turning center rotates the workpiece
- the machining center rotates the tool to machine the workpiece.
- Machining centers are complex machine tools that combine boring machines, milling machines, and drilling machines into one, enabling all machining operations such as cutting, drilling and tapping.
- 3-axis machining work is possible by linearly feeding the spindle to be machined in the 3-axis direction.
- the biaxial machining added to the conventional triaxial machining may include a rotating shaft for rotating the table for supporting the work and a tilting shaft for tilting the spindle.
- the tilting motion plane for tilting the spindle should be perpendicular to the motion axis formed by the linear axis parallel to the table supporting the workpiece, that is, the linear axis in the front-rear direction and the horizontal axis in the horizontal direction.
- the tightening state of the ball screw and nut used as the vertical feed axis must be adjusted or reinstalled.
- the vertical axis of the feed axis is checked to check whether the tilting plane is perpendicular. If the right angle was not correct, the tilting plane of the spindle, the ball screw and the nut were repeatedly adjusted.
- the conventional 5-axis processing machine has a problem that it takes a lot of time and effort to adjust the tilting motion plane of the spindle.
- 5-axis machines must be able to perform various cutting operations on the workpiece, including heavy cutting and high speed cutting, to process complex shapes and various materials.
- the spindle must be rotated by providing a drive motor outside the spindle, and there is a problem that it is not easy to supply rotational power externally to the tiltable spindle.
- Embodiments of the present invention provide a 5-axis machine that is easy to adjust and maintain using a modular tiltable spindle module.
- an embodiment of the present invention provides a five-axis machine capable of effectively supplying rotational power to the tiltable spindle.
- the 5-axis processing machine is a column, a slide slidably coupled to the column in a vertical direction, a spindle drive supported from the rear of the slide, and a detachable front of the slide. And a tiltable spindle module that is coupled to and is supplied with rotational power from the spindle drive.
- the spindle module has a spindle for rotating a tool for processing a workpiece, a spindle head for rotatably supporting the spindle, a power transmission unit for transmitting rotational power to the spindle, and a tilting drive unit for tilting the spindle head.
- the spindle module may further include an adjusting block provided at both edges of the tilting body opposite to the spindle to adjust a height position of the tilting body coupled to the slide.
- the 5-axis processing machine may further include a bed for slidably supporting the column in left and right directions, and saddles slidably coupled to the bed in a forward and backward direction. And the height position of the tilting sea can be adjusted such that the left and right direction of the column and the forward and backward movement plane of the saddle and the tilting movement plane of the spindle at right angles through the adjusting block.
- the main shaft drive portion includes a main shaft drive shaft
- the tilting head power transmission portion includes a power transmission shaft
- the main shaft drive shaft and the power transmission shaft may be coupled by coupling to transfer power.
- a five-axis machine includes a spindle for rotating a tool for machining a work piece, a spindle head for rotatably supporting the spindle, and one or more bevel gears for the spindle head.
- a tilting head for tiltably supporting both sides of the spindle head with a power transmission unit for transmitting rotational power to the spindle through one side and a tilting drive unit coupled to the other side of the spindle head to tilt the spindle head; And a spindle drive motor connected to the power transmission unit of the tilting head to supply rotational power.
- the spindle may include a spindle shaft and a spindle bevel gear formed on an outer circumferential surface of the spindle shaft.
- the power transmission unit has a first power transmission shaft formed with a first transmission bevel gear meshing with the main shaft bevel gear on one side, and a second transmission bevel gear formed on one side and spaced apart in parallel with the first power transmission shaft. It may include a drive shaft and a drive shaft connected in series with the main shaft drive motor, the drive shaft is formed on one side of the drive bevel gear meshing with the second transmission bevel gear.
- the power transmission unit may further include a mechanism for transmitting power between the first power transmission shaft and the second power transmission shaft.
- the mechanism for transmitting power between the first power transmission shaft and the second power transmission shaft may be one or more helical gears.
- the 5-axis machine may rotate the spindle head bevel gear of the spindle about the axis of the first transmission bevel gear of the power transmission unit to tilt the spindle head.
- the shaft of the spindle drive motor may be fixed.
- the apparatus may further include a transmission connected between a motor shaft of the spindle drive motor and a drive shaft of the power transmission unit and including a planetary gear.
- the transmission may be any one of a high speed mode in which a motor shaft of the spindle drive motor and the drive shaft are connected in series, and a low speed mode in which rotational power of the motor shaft of the spindle drive motor is transmitted to the drive shaft via the planetary gear. It can work.
- the spindle, the spindle head, and the tilting head may be integrally coupled and modularized.
- the power transmission unit may be connected to the motor shaft of the main shaft drive motor to be detachable through a coupling coupling.
- the 5-axis machining machine can be easily and effectively maintained by adjusting the tiltable spindle module.
- the 5-axis machine can effectively supply rotational power to the tiltable spindle.
- FIG. 1 is a perspective view of a five-axis processing machine according to a first embodiment of the present invention.
- FIG. 2 is an exploded perspective view illustrating the spindle module and the slide of FIG. 1.
- FIG. 3 is a perspective view illustrating a coupling state of the spindle module and the slide of FIG.
- FIG. 4 is a conceptual diagram illustrating a method of adjusting the tilting motion plane of the spindle of FIG. 1.
- FIG. 5 is a plan view showing the internal structure of the spindle module and the spindle drive of FIG.
- FIG. 6 is a plan view illustrating a connection state between a spindle, a tilting head, and a spindle drive motor of a 5-axis machine according to a second exemplary embodiment of the present invention.
- FIG. 7 is a perspective view illustrating components for transmitting power of the spindle drive motor of FIG. 6 to a spindle.
- FIG. 8 is a plan view illustrating a backlash adjusting method of a gear used in a tilting driving unit of the 5-axis machine of FIG. 6.
- 9 and 10 are cross-sectional views illustrating an operating state of a transmission used in the 5-axis machine of FIG. 6.
- Embodiments of the invention specifically illustrate ideal embodiments of the invention. As a result, various modifications of the drawings are expected. Thus, the embodiment is not limited to the specific form of the illustrated region, but includes, for example, modification of the form by manufacture.
- the 5-axis machine 101 is a column (400), the slide 450, the spindle drive 480, and the spindle module 901 ).
- the 5-axis processing machine 101 is a bed 800, saddle 700, table 600, up and down conveying device 530, left and right conveying device 520, front and rear conveying device 510, and a table rotation driver 750 may be further included.
- the spindle driver 480 is mechanically connected to the spindle 200 of the spindle module 901 to be described later to supply rotational power to the spindle 200.
- the spindle driver 480 may include various types of motors known to those skilled in the art.
- the spindle drive 480 is supported behind the slide 450 to be described later.
- the spindle module 901 may include a spindle 200, a spindle head 250, a tilting head 300, and a tilting body 350. That is, in the first embodiment of the present invention, the spindle module 901 is integrally coupled so that the spindle 200, the spindle head 250, the tilting head 300, and the tilting body 350 are modularized, and the spindle ( 200) tilting is possible.
- the spindle module 901 is detachably coupled to the front of the slide 450 to be described later, is connected to the spindle drive 9440 to be described later is supplied with rotational power.
- the spindle module 901 may further include an adjusting block 370 (shown in FIG. 3).
- the spindle 200 is in contact with the workpiece and transmits rotational power to the tool for processing the workpiece. That is, the spindle 200 rotates by clamping a tool for machining a workpiece at one end.
- a clamping device (not shown) for clamping a tool may be provided inside the spindle 200.
- the clamping device various types of clamping devices known to those skilled in the art may be used, and in general, a clamping device including a collet may be used.
- the spindle 200 may include a spindle shaft 210 and a spindle bevel gear 230 formed on the outer circumferential surface of the spindle shaft 210 to surround the spindle shaft 210. have.
- Spindle head 250 surrounds spindle 200 and rotatably supports spindle 200.
- a bearing may be installed between the spindle head 250 and the spindle 200 so that the spindle head 250 rotatably supports the spindle 200.
- the tilting head 300 not only supports the spindle head 250 so as to be tiltable, but also transmits rotational power supplied by the spindle driver 480 to the spindle 200.
- the tilting head 300 includes a power transmission unit 310 for transmitting rotational power to the spindle 200, and a tilting driver 360 for tilting the spindle head 200.
- the power transmission unit 310 transmits the rotational power supplied by the spindle drive unit 480 to the spindle 200.
- the power transmission unit 310 is formed at one end of the power transmission shaft 331 and the power transmission shaft 331, the power transmission bevel gear 334 meshing with the main shaft bevel gear 230 of the spindle 200. It may include a plurality of power transmission gears 335 including.
- the tilting drive 360 tilts the spindle head 250 rotatably supporting the spindle 200.
- the tilting driver 360 is connected to the spindle head 250 to provide a tilting drive shaft 381 for tilting the spindle head 250 and a tilting drive motor 388 for supplying rotational power to the tilting drive shaft 381.
- the tilting driver 360 may further include one or more tilting drive gears 385 mechanically connecting the tilting drive motor 388 and the tilting drive shaft 381.
- the tilting body 350 supports the tilting head 300 and is detachably coupled to the slide 450 to be described later.
- the adjusting block 370 may be provided at both edges of the tilting body 350 facing the spindle 200 to adjust the height position of the tilting body 350 coupled to the slide 450 to be described later.
- the power transmission shaft of the power transmission unit 310 of the tilting head 300 is coupled to the main shaft drive shaft of the spindle drive unit 480 ( 337, 487, to transmit power.
- the power transmission shaft of the power transmission unit 310 of the tilting head 300 and the main shaft driving shaft of the main shaft driving unit 480 are also separated.
- the bed 800 slidably supports the saddle 700 and the column 400 to be described later.
- the bed 800 may include a main frame 801 and linear guides 810 and 820 formed on the main frame 801 and slidably coupled to the saddle 700 and the column 400.
- the linear guide may include front and rear linear guides 810 and left and right linear guides 820.
- the saddle 700 is slidably coupled onto the bed 800 to linearly reciprocate along the front and rear linear guides 810 of the bed 800. That is, the saddle 700 may linearly reciprocate in the front-rear direction (hereinafter referred to as "Z-axis direction").
- a front-rear conveying device (hereinafter referred to as "Z-axis conveying device") 510 is installed between the bed 800 and the saddle 700 to linearly reciprocate the saddle 700 on the bed 800.
- the table 600 supports the workpiece to be processed by the tool rotating by the spindle 200.
- the table 600 is installed on the saddle 700 to linearly reciprocate along the saddle 700.
- a table rotation driver 750 is provided between the table 600 and the saddle 700 to rotate the table 600 on which the workpiece is seated. At this time, the axis of rotation of the table 600 is parallel to the direction perpendicular to the plane of the table 600.
- the column 400 may be erected perpendicularly to one region of the rear side of the bed 800 such that the column 400 is positioned behind the table 600.
- the column 400 may be slidably coupled to the bed 800 to linearly reciprocate along the left and right linear guides 820 of the bed 800. That is, the column 400 may linearly reciprocate in the left and right direction (hereinafter, referred to as "X-axis direction").
- a left and right conveying device (hereinafter referred to as "X-axis conveying device") 520 is installed between the bed 800 and the column 400 to linearly reciprocate the column 400 on the bed 800.
- the column 400 may include upper and lower linear guides 430 formed at one side of the table 600.
- the slide 450 is slidably coupled to one side of the table 600 in the column 400 to linearly reciprocate along the upper and lower linear guides 430 of the column 400. That is, the slide 450 can linearly reciprocate in the vertical direction (hereinafter referred to as the "Y-axis direction").
- the vertical conveying device (hereinafter referred to as "Y-axis conveying device") 530 is provided between the column 400 and the slide 450 to linearly reciprocate the slide 450 in the vertical direction.
- the slide 450 supports the spindle drive unit 480 at the rear and is detachably coupled to the aforementioned spindle module 901 at the front.
- the spindle module 901 and the spindle driver 480 may linearly reciprocate in the Y-axis direction together with the slide 450.
- the Z-axis feeder 510, the X-axis feeder 520, and the Y-axis feeder 530 may be ball screw feeders.
- the 5-axis processing machine 101 uses the Z-axis feeder 510, the X-axis feeder 520, and the Y-axis feeder 530 in the Z-axis direction and X.
- Linear axis drive is possible in axial direction and Y axis direction.
- the 5-axis machine 101 according to the first embodiment of the present invention can be processed by a total of 5 axis drive.
- the height position of the tilting body 350 is a movement plane formed by the left and right movement of the column 400 and the forward and backward movement of the saddle 700 through the adjusting block 370. And the tilting plane of motion of the spindle 200 may be adjusted to form a right angle.
- the height of the tilting body 350 may be adjusted by pushing or hitting the adjusting block 370 to adjust the position, and firmly engaging the tilting body 350 and the slider 450 to be firmly engaged. .
- the height of the modular tilting body 350 may be adjusted integrally with the spindle 200, the spindle head 250, and the tilting head 300.
- the 5-axis machine 101 can easily perform the position adjustment operation using the modular tiltable spindle module 901.
- the axis of the five axes is also easy to adjust, even if a problem occurs in the internal configuration of the spindle 200 or the tilting head 300 to maintain it, the spindle module
- the maintenance work may be easily performed by detaching the 901 from the slide 450.
- the 5-axis machine 102 includes a spindle 200, a spindle head 250, and a tilting head 300. , And a spindle drive motor 480.
- the 5-axis machine 102 is a transmission 470, the tilting body 350, the slide 450, the column (400), the bed 800, the saddle 700
- the table 600 may further include a vertical transfer apparatus 530, a left and right transfer apparatus 520, a front and rear transfer apparatus 510, and a table rotation driver 750.
- the spindle 200 is in contact with the workpiece and transmits rotational power to the tool for processing the workpiece. That is, the spindle 200 rotates by clamping a tool for machining a workpiece at one end.
- a clamping device (not shown) for clamping a tool may be provided inside the spindle 200.
- the spindle 200 includes a spindle shaft 210 and a spindle bevel gear 230 formed on the outer circumferential surface of the spindle body 210 to surround the spindle body 210.
- Spindle head 250 surrounds spindle 200 and rotatably supports spindle 200.
- a bearing may be installed between the spindle head 250 and the spindle 200 so that the spindle head 250 rotatably supports the spindle 200.
- the spindle drive motor 480 is mechanically connected to the spindle 200 to supply rotational power to the spindle 200.
- the spindle drive motor 480 various kinds of motors known to those skilled in the art may be used.
- the spindle drive motor 480 is supported behind the slide 450 which will be described later.
- the tilting head 300 tiltably supports both sides of the spindle head 250.
- the tilting head 300 not only tiltably supports the spindle head 250 but also transmits rotational power supplied by the spindle drive motor 480 to the spindle 200.
- the tilting head 300 includes a power transmission unit 310 for transmitting rotational power to the spindle 200 through one side of the spindle head 250, and the spindle head 250. It is coupled to the other side of the tilting drive unit 360 for tilting the spindle head (250).
- the power transmission unit 310 transmits the rotational power supplied by the spindle drive motor 480 to the spindle 200.
- the power transmission unit 310 may include a first power transmission shaft 321, a second power transmission shaft 333, and a driving shaft 341, and may further include one to three bevel gears. have.
- the first power transmission shaft 321 is formed with a first transmission bevel gear 322 that is engaged with the main shaft bevel gear 230 on one side and a driven gear 323 on the other side.
- the second power transmission shaft 333 is spaced apart in parallel with the first power transmission shaft 321.
- the second power transmission shaft 333 has a driving gear 332 for rotating the driven gear 323 of the first power transmission shaft 321 on one side and a second transmission bevel gear 338 on the other side. .
- the drive shaft 341 is connected in series with the main shaft drive motor 480, and a driving bevel gear 348 meshing with the second transmission bevel gear 338 of the second power transmission shaft 333 is formed at one side thereof.
- the power transmission unit 310 may further include a mechanism for transmitting power by engaging between the driven gear 323 of the first power transmission shaft 321 and the drive gear 332 of the second power transmission shaft 333.
- the mechanism for transmitting power may be at least one helical gear 357.
- the tilting drive 360 tilts the spindle head 250 rotatably supporting the spindle 200.
- the tilting driver 360 is connected to the spindle head 250 to provide a tilting drive shaft 381 for tilting the spindle head 250 and a tilting drive motor 388 for supplying rotational power to the tilting drive shaft 381.
- the tilting driver 360 may further include one or more tilting drive gears 385 that mechanically connect the tilting drive motor 388 and the tilting drive shaft 381, and facilitate backlash in the manner shown in FIG. 8. Can be adjusted.
- the shaft of the spindle drive motor 480 may be fixed.
- the tilting body 357 supports the tilting head 300 and is detachably coupled to the slide 450 to be described later.
- the spindle 200, the spindle head 250, the tilting head 300, and the tilting body 350 are integrally coupled, as shown in FIGS. 2 and 6. Can be modularized.
- the drive shaft 341 of the power transmission unit 310 may be connected to the motor shaft of the main shaft drive motor 480 to be detachable through coupling 487.
- the spindle 200, the spindle head 250, and the tilting head 300 which are integrally modular with the tilting body 350, move together from the slide 450. While being separated, coupling of the coupling 487 connecting the driving shaft 341 may be released.
- the transmission 470 is connected between the motor shaft 481 of the spindle drive motor 480 and the drive shaft 341.
- Transmission 470 includes a planetary gear 473 having a reduction ratio.
- the transmission 470 has a high speed mode for connecting the motor shaft 481 of the spindle drive motor 480 and the drive shaft 341 in series, and the motor shaft of the spindle drive motor 480 ( The rotational power of the 481 may be operated in any one of the low speed modes for transmitting the rotational power to the drive shaft 341 via the planetary gear 473.
- NC numerical control
- NC-Program input numerical control program
- the selection of the mode may be determined according to the cutting method of the tool for the workpiece, and the cutting method includes the strong cutting, the high speed cutting, the general cutting, and the like.
- the transmission 470 includes a planetary gear 473, a sun gear 474, a ring gear 472, a carrier 471, a sliding sleeve 476, and a brake disc 478.
- the transmission 470 rotates at the rotational speed of the spindle drive motor 480 because the input gear transfers power directly to the output stage instead of the planetary gear 473 for high speed low torque driving. Rotational power with the same speed as is transmitted to the output stage.
- the input gear becomes the ring gear 472, and the output end becomes the carrier 471.
- the sun gear 474 is rotated in a state in which the sun gear 474 is engaged with the ring gear 472 by the sliding sleeve 476 so that the entire planetary gear 473 is the main shaft drive motor 480. It rotates with the motor shaft 481 of ().
- the transmission 470 is decelerated by the reduction ratio of the planetary gear 473 and transmitted to the output stage for low speed and high torque driving.
- the input gear becomes the sun gear 474 and the output end becomes the carrier 471.
- the sliding sleeve 476 is fixed by the brake disk 478 in a state in which the sliding sleeve 476 is coupled with the ring gear 472.
- the transmission 470 is supported at the rear of the slide 450 to be described later together with the spindle drive motor 480.
- the bed 800 slidably supports the saddle 700 and the column 400 to be described later.
- the structure and operation principle of the shaft feeder 530 may be the same as in the first embodiment.
- the spindle 200, the spindle head 250, and the tilting head 300 which are modularized together with the tilting body 350, are supported in front of the slide 450, and the slide ( The transmission 470 and the spindle drive motor 480 are supported at the rear of the 450.
- the tilting body 350 is detachably coupled to the slide 450.
- the spindle 200, the spindle head 250, the tilting head 300, the tilting body 350, the transmission 470, and the spindle drive motor 480 are linearly reciprocated in the Y-axis direction together with the slide 450. You can exercise.
- the 5-axis processing machine 102 uses the Z-axis feeder 510, the X-axis feeder 520, and the Y-axis feeder 530 in the Z-axis direction and X.
- Linear axis drive is possible in axial direction and Y axis direction.
- the 5-axis processing machine 102 can be processed by a total of 5 axis drive.
- the 5-axis machine 102 according to the second embodiment of the present invention can effectively supply rotational power to the tiltable spindle 200.
- the modular configuration can be separated from the slide 450 to easily perform maintenance work.
- the 5-axis machine according to the embodiment of the present invention can be used for easy position adjustment and maintenance by using a modular tiltable spindle module.
- the 5-axis machine according to the embodiment of the present invention can be used to effectively supply the rotational power to the tiltable spindle.
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Abstract
Description
Claims (15)
- 컬럼(column);상기 컬럼에 상하 방향으로 슬라이딩 가능하게 결합된 슬라이드;상기 슬라이드의 후방에서 지지되는 주축 구동부; 및상기 슬라이드의 전방에 착탈 가능하게 결합되며 상기 주축 구동부로부터 회전 동력을 공급받는 틸팅 가능한 스핀들 모듈을 포함하는 5축 가공기.
- 제1항에 있어서,상기 스핀들 모듈은,공작물을 가공하기 위한 공구를 회전시키는 스핀들과;상기 스핀들을 회전 가능하게 지지하는 스핀들 헤드와;상기 스핀들에 회전 동력을 전달하는 동력 전달부와 상기 스핀들 헤드를 틸팅시키는 틸팅 구동부를 갖는 틸팅 헤드; 그리고상기 틸팅 헤드를 지지하며 상기 슬라이드에 착탈 가능하게 결합되는 틸팅 바디가 일체 결합되어 모듈화된 것을 특징으로 하는 5축 가공기.
- 제2항에 있어서,상기 스핀들 모듈은 상기 스핀들을 중심으로 대향하는 상기 틸팅 바디의 양측 가장자리에 각각 마련되어 상기 슬라이드에 결합되는 상기 틸팅 바디의 높이 위치를 조정하는 조정용 블록을 더 포함하는 5축 가공기.
- 제3항에 있어서,상기 컬럼을 좌우 방향으로 슬라이딩 가능하게 지지하는 베드와;상기 베드에 전후 방향으로 슬라이딩 가능하게 결합된 새들을 더 포함하며,상기 틸팅 바다의 높이 위치는 상기 조정용 블록을 통해 상기 컬럼의 좌우 방향 및 상기 새들의 전후 방향 운동 평면과 상기 스핀들의 틸팅 운동 평면이 직각을 이루도록 조정되는 5축 가공기.
- 제2항에 있어서,상기 주축 구동부는 주축 구동축을 포함하고 상기 틸팅 헤드의 상기 동력 전달부는 동력 전달축을 포함하며,상기 주축 구동축과 상기 동력 전달축은 커플링으로 연결되어 동력을 전달하는 5축 가공기.
- 공작물을 가공하기 위한 공구를 회전시키는 스핀들;상기 스핀들을 회전 가능하게 지지하는 스핀들 헤드;하나 이상의 베벨 기어를 사용하여 상기 스핀들 헤드의 일 측면을 통해 상기 스핀들에 회전 동력을 전달하는 동력 전달부와 상기 스핀들 헤드의 타 측면에 결합되어 상기 스핀들 헤드를 틸팅시키는 틸팅 구동부를 가지고 상기 스핀들 헤드의 양 측면을 틸팅 가능하게 지지하는 틸팅 헤드; 및상기 틸팅 헤드의 동력 전달부에 연결되어 회전 동력을 공급하는 주축 구동 모터를 포함하는 5축 가공기.
- 제6항에 있어서,상기 스핀들은 스핀들 샤프트와, 상기 스핀들 샤프트의 외주면에 형성된 주축 베벨 기어를 포함하는 5축 가공기.
- 제7항에 있어서,상기 동력 전달부는,일측에 상기 주축 베벨 기어와 맞물리는 제1 전달 베벨 기어가 형성된 제1 동력 전달축과;일측에 제2 전달 베벨 기어가 형성되며 상기 제1 동력 전달축과 평행하게 이격된 제2 동력 전달축; 그리고상기 주축 구동 모터와 직렬로 연결되며, 일측에 상기 제2 전달 베벨 기어와 맞물리는 구동 베벨 기어가 형성된 구동축을 포함하는 5축 가공기.
- 제8항에 있어서,상기 동력 전달부는 상기 제1 동력 전달축과 상기 제2 동력 전달축 사이에 동력을 전달하는 기구를 더 포함하는 5축 가공기.
- 제9항에 있어서,상기 제1 동력 전달축과 상기 제2 동력 전달축 사이에 동력을 전달하는 기구는 하나 이상의 헬리컬 기어(helical gear)인 5축 가공기.
- 제8항에 있어서,상기 동력 전달부의 상기 제1 전달 베벨 기어의 축을 중심으로 상기 스핀들의 상기 주축 베벨 기어가 회전하여 상기 스핀들 헤드를 틸팅시키는 5축 가공기.
- 제6항에 있어서,상기 틸팅 구동부가 상기 스핀들 헤드를 틸팅시킬 때, 상기 주축 구동 모터의 축은 고정되는 5축 가공기.
- 제6항에 있어서,상기 주축 구동 모터의 모터축과 상기 동력 전달부의 구동축 사이에 연결되며 유성 기어를 포함하는 변속기를 더 포함하는 5축 가공기.
- 제13항에 있어서,상기 변속기는,상기 주축 구동 모터의 모터축과 상기 구동축을 직렬로 연결하는 고속 모드와;상기 주축 구동 모터의 모터축의 회전 동력을 상기 유성 기어를 거쳐 상기 구동축에 전달하는 저속 모드중 어느 하나의 모드로 동작하는 5축 가공기.
- 제6항에 있어서,상기 스핀들, 상기 스핀들 헤드, 및 상기 틸팅 헤드는 일체로 결합되어 모듈화되며,상기 동력 전달부는 커플링 결합을 통해 분리 가능하게 상기 주축 구동 모터의 모터축과 연결되는 5축 가공기.
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