CN112405062A - High-speed machining center - Google Patents
High-speed machining center Download PDFInfo
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- CN112405062A CN112405062A CN202011359192.7A CN202011359192A CN112405062A CN 112405062 A CN112405062 A CN 112405062A CN 202011359192 A CN202011359192 A CN 202011359192A CN 112405062 A CN112405062 A CN 112405062A
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- 238000003754 machining Methods 0.000 claims abstract description 23
- 239000004579 marble Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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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
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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Abstract
The invention provides a high-speed machining center which comprises a base made of marble, an upright column vertically arranged on the base and a cross beam arranged on the upright column, wherein a machining table is arranged on the base, a Y-axis driving device is arranged between the machining table and the base, an X-axis driving device and a supporting slide plate frame are arranged on the cross beam, the supporting slide plate frame is arranged on the X-axis driving device, the X-axis driving device is arranged on the cross beam, a Z-axis driving device, a main shaft device and a balancing device are arranged on the supporting slide plate frame, the main shaft device is arranged on the Z-axis driving device, the balancing device is arranged on the main shaft device, the Z-axis driving device is arranged on the supporting slide plate frame, a tool setting device and a tool magazine are further arranged on one side of the base, the tool magazine is arranged on the side surface of the base, and the tool. The invention has excellent transmission stability and transmission speed, small heat productivity in work and low cost.
Description
Technical Field
The invention relates to the technical field of numerical control machining centers, in particular to a high-speed machining center.
Background
Along with the development of society and science and technology, in the mechanical manufacturing field, machining has higher and higher requirements on the precision and the machining efficiency of a machine tool, and a large amount of machining equipment such as full-automatic numerical control machine tools, machining centers and the like are emerged.
Most high-speed machining centers or milling machines in the domestic market still adopt servo motors and ball screws to drive linear coordinate axes, the number of high-speed machining centers adopting linear motors to drive linear three-axis or five-axis is small, and the linear motors to drive the linear three-axis have the advantages of high speed, high efficiency, excellent rigidity and the like. The speed of the linear motor driving the three linear shafts is 2-3 times faster than that of the servo motor and the rolling screw driving the three linear shafts, the feeding speed of the servo motor and the rolling screw driving the three linear shafts is generally 48m/min, and the feeding speed of the linear motor driving the three linear shafts is 86 m/min; because the servo motor and the rolling screw are in a transmission mode, the rigidity is not good as that of a linear motor, but the current machining center driven by the linear motor also has the defects of large heat productivity, poor transmission stability and high manufacturing cost.
Disclosure of Invention
The present invention has been made in view of the above-mentioned drawbacks of the background art, and provides a high-speed machining center which is excellent in transmission stability and transmission speed, generates a small amount of heat during operation, and is reduced in manufacturing cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-speed processing center comprises a base made of marble, a stand vertically arranged on the base and a beam arranged on the stand, and is characterized in that a processing table is arranged on the base, a Y-axis driving device used for driving the processing table to move along the Y-axis direction is arranged between the processing table and the base, an X-axis driving device and a supporting carriage rack are arranged on the beam, the supporting carriage rack is arranged on the X-axis driving device, the X-axis driving device is arranged on the beam and used for driving the supporting carriage rack to move along the X-axis direction, a Z-axis driving device, a main shaft device and a balancing device are arranged on the supporting carriage rack, the main shaft device is arranged on the Z-axis driving device, the balancing device is arranged on the main shaft device, the Z-axis driving device is arranged on the supporting carriage rack, the tool setting device is arranged on the side face of the base, and the tool setting device is arranged between the tool magazine and the machining table and used for calibrating coordinate values of used tools.
Preferably, the processing platform includes flexible base and platform or flexible base, B axle rotary device and C axle rotary device, flexible base sets up on the Y axle drive arrangement, the platform sets up on the flexible base, or flexible base sets up on the Y axle drive arrangement, B axle rotary device and C axle rotary device set up side by side on the flexible base, B axle rotary device with C axle rotary device connects for it is rotatory to drive C axle rotary device.
Preferably, the B-axis rotating device comprises a B-axis motor mounting seat, a B-axis servo motor and a B-axis rotating shaft, the B-axis motor mounting seat is arranged on the telescopic base, the B-axis servo motor is arranged in the B-axis motor mounting seat, one end of the B-axis rotating shaft is connected with the output end of the B-axis servo motor, and the other end of the B-axis rotating shaft is connected with the C-axis rotating device; the C-axis rotating device comprises a C-axis motor mounting seat, a C-axis servo motor and a C-axis rotating disc, the C-axis motor mounting seat is fixedly connected with the B-axis rotating shaft, the C-axis servo motor is arranged in the C-axis motor mounting seat, and the C-axis rotating disc is arranged on the C-axis servo motor and connected with an output shaft of the C-axis servo motor.
Preferably, the Y-axis driving device comprises a Y-axis linear guide rail set, a Y-axis linear motor stator and a Y-axis linear motor rotor, the Y-axis linear guide rail set is fixedly arranged on the middle portion of the base and is slidably connected with the telescopic base, the Y-axis linear motor stator is arranged between the Y-axis linear guide rail set and is fixedly connected with the base, and the Y-axis linear motor rotor is arranged at the bottom of the telescopic base and corresponds to the Y-axis linear motor stator.
Preferably, X axle drive arrangement includes X axle linear guide group, X axle linear motor stator and X axle linear motor active cell, X axle linear guide group sets up on the side of crossbeam and with support swift current grillage slidable connection, X axle linear motor stator sets up between the X axle linear guide group and with crossbeam fixed connection, X axle linear motor active cell sets up support on one side of swift current grillage and with X axle linear motor stator is corresponding.
Preferably, Z axle drive arrangement includes Z axle linear guide group, Z axle linear motor stator and Z axle linear motor active cell, Z axle linear guide group sets up spindle unit's both sides and with support swift current grillage slidable connection, Z axle linear motor stator sets up support on the opposite side of swift current grillage, Z axle linear motor active cell sets up spindle unit is last and with Z axle linear motor stator is corresponding.
Preferably, spindle unit includes spindle mounting, spindle motor and main shaft, the spindle mounting pass through Z axle linear guide group with support the carriage apron and connect, spindle motor sets up in the spindle mounting, the one end of main shaft with spindle motor's output is connected, and the other end extends to outside the lower surface of spindle mounting.
Preferably, balancing unit includes balance cylinder mount pad, balance cylinder support and balance cylinder, balance cylinder mount pad symmetry sets up spindle unit's both sides and with support swift current grillage fixed connection, balance cylinder support sets up spindle unit's top or both sides middle part, balance cylinder is fixed to be set up on the balance cylinder mount pad and flexible end with balance cylinder leg joint.
Preferably, the tool magazine comprises a tool magazine mounting frame, a tool magazine fixing seat, a rotating shaft, a rotary table and a tool buckle, the tool magazine mounting frame is arranged on one side of the base, the tool magazine fixing seat is arranged on the tool magazine mounting frame, the rotating shaft is arranged on the tool magazine fixing seat, the rotary table is arranged on the rotating shaft, and the tool buckle is arranged on the outer edge of the rotary table; the tool setting device comprises a tool setting gauge fixing seat and a tool setting gauge, the tool setting gauge fixing seat is arranged on the base, and the tool setting gauge is arranged on the tool setting gauge fixing seat.
Preferably, a drag chain frame for placing a drag chain or an air pipe is further arranged at the top end of the main shaft device; and the cross beam, the supporting chute plate frame and the base are respectively provided with a grating ruler for measuring the moving distance in the X-axis direction, the Z-axis direction and the Y-axis direction.
Compared with the prior art, the invention has the beneficial effects that: firstly, the base is made of advanced marble materials, has excellent damping and vibration damping performance, low thermal expansion coefficient, long-term precision stability and high corrosion resistance, and the performance and the stability of the whole machine are far higher than those of the base material and the traditional cast iron structure machine tool base is still adopted; the X-axis driving device, the Y-axis driving device and the Z-axis driving device are all driven by linear motors, and in the processing process, friction force generated by movement in the XYZ-axis direction is small, the phenomenon of thermal extension of a screw rod in a traditional transmission mode is avoided, and the X-axis driving device, the Y-axis driving device and the Z-axis driving device have the advantages of small inertia, no reverse gap, high response speed and high movement speed; the spindle motor and the spindle of the spindle device are synchronous motor spindles, so that excessive heat cannot be generated during processing, and the spindle device has the advantages of small heat productivity and large torque output; the balance device is arranged on the main shaft device, when the main shaft device loses lifting power, the balance cylinders arranged on the two sides of the main shaft device can support the whole main shaft device, so that the main shaft device is prevented from slipping off when no power is supplied, the main shaft is prevented from being damaged, and the like, and the stability is improved; and fifthly, by arranging grating rulers for measuring the moving distances in the X-axis direction, the Z-axis direction and the Y-axis direction on the cross beam, the supporting chute frame and the base, the moving distance can be accurately calculated, and the processing precision is improved.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;
FIG. 2 is a schematic perspective view of embodiment 2 of the present invention;
fig. 3 is a schematic structural view of a spindle device and a balancing device according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a spindle device and a balancing device according to embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of a B-axis rotating device and a C-axis rotating device in embodiment 2 of the present invention;
FIG. 6 is a schematic view of the Z-axis driving device of the present invention;
fig. 7 is a schematic structural diagram of the tool magazine of the present invention.
Description of the reference numerals
1. A base; 2. a column; 3. a cross beam; 4. a processing table; an X-axis drive; a Y-axis drive; a Z-axis drive; 8. a spindle device; 9. a balancing device; 10, tool magazine; 11. a tool setting device; 12. supporting the carriage frame; 13. a grating scale; 14. a drag chain frame; 41. a telescopic base; 42. a flat platform; a B-axis rotating device; a C-axis rotation device; an X-axis linear guide set; an X-axis linear motor stator; 53. X-axis linear motor mover; 61. Y-axis linear guide rail set; 62. Y-axis linear motor stator; 63. Y-axis linear motor rotor; 71. Z-axis linear guide rail group; 72. a Z-axis linear motor stator; 73. Z-axis linear motor rotor; 81. a spindle mounting bracket; 82. a spindle motor; 83. a main shaft; 91. a balance cylinder mounting base; 92. a balance cylinder support; 93. a balance cylinder; 101. a tool magazine mounting rack; 102. a tool magazine fixing seat; 103. a rotating shaft; 104. a turntable; 105. a cutter is buckled; 111. a tool setting gauge fixing seat; 112. tool setting gauge; 431, a B-axis motor mounting seat; a B-axis servo motor; 433, rotating a shaft B; 441, a C-axis motor mounting seat; 442. C-axis servo motor; 443.C axis rotation disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element/feature is referred to as being "disposed on" another element/feature, it can be directly on the other element/feature or intervening elements/features may also be present. When a component/part is referred to as being "connected/coupled" to another component/part, it can be directly connected/coupled to the other component/part or intervening components/parts may also be present. The term "connected/coupled" as used herein may include electrical and/or mechanical physical connections/couplings. The term "comprises/comprising" as used herein refers to the presence of features, steps or components/features, but does not preclude the presence or addition of one or more other features, steps or components/features. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Example 1
Referring to fig. 1, a high-speed processing center comprises a base 1 made of marble, a vertical column 2 vertically arranged on the base 1, and a beam 3 arranged on the vertical column, wherein a processing table 4 is arranged on the base 1, a Y-axis driving device 6 for driving the processing table 4 to move along the Y-axis direction is arranged between the processing table 4 and the base 1, an X-axis driving device 5 and a supporting carriage frame 12 are arranged on the beam 3, the supporting carriage frame 12 is arranged on the X-axis driving device 5, the X-axis driving device 5 is arranged on the beam 3 for driving the supporting carriage frame 12 to move along the X-axis direction, a Z-axis driving device 7, a main shaft device 8 and a balance device 9 are arranged on the supporting carriage frame 12, the main shaft device 8 is arranged on the Z-axis driving device 7, the balance device 9 is arranged on the main shaft device 8, the Z-axis driving device 7 is arranged on the supporting carriage frame 12, the tool setting device is used for driving the spindle device 8 to move along the Z-axis direction, a tool setting device 11 and a tool magazine 10 are further arranged on one side of the base 1, the tool magazine 10 is arranged on the side face of the base 1, and the tool setting device 11 is arranged between the tool magazine 10 and the machining table 4 and used for calibrating coordinate values of used tools.
Referring to fig. 1, in some embodiments, the processing table 4 includes a telescopic base 41 and a flat table 42, the telescopic base 41 is disposed on the Y-axis driving device 6, and the flat table 42 is disposed on the telescopic base 41.
Referring to fig. 1, in some embodiments, the Y-axis driving device 6 includes a Y-axis linear guide set 61, a Y-axis linear motor stator 62, and a Y-axis linear motor mover 63, the Y-axis linear guide set 61 is fixedly disposed on a middle portion of the base 1 and slidably connected to the telescopic base 41, the Y-axis linear motor stator 62 is disposed between the Y-axis linear guide sets 61 and fixedly connected to the base 1, and the Y-axis linear motor mover 63 is disposed at a bottom portion of the telescopic base 41 and corresponds to the Y-axis linear motor stator 62.
Referring to fig. 1, in some embodiments, the X-axis driving device 5 includes an X-axis linear guide set 51, an X-axis linear motor stator 52, and an X-axis linear motor rotor 53, the X-axis linear guide set 51 is disposed on a side surface of the cross beam 3 and slidably connected to the supporting carriage 12, the X-axis linear motor stator 52 is disposed between the X-axis linear guide sets 51 and fixedly connected to the cross beam 3, and the X-axis linear motor rotor 53 is disposed on a side of the supporting carriage 12 and corresponds to the X-axis linear motor stator 52.
Referring to fig. 6, in some embodiments, the Z-axis driving device 7 includes a Z-axis linear guide group 71, a Z-axis linear motor stator 72, and a Z-axis linear motor mover 73, the Z-axis linear guide group 71 is disposed on two sides of the spindle device 8 and slidably connected to the supporting carriage 12, the Z-axis linear motor stator 72 is disposed on the other side of the supporting carriage 12, and the Z-axis linear motor mover 73 is disposed on the spindle device 8 and corresponds to the Z-axis linear motor stator 72.
Referring to fig. 3, in some embodiments, the spindle assembly 8 includes a spindle mounting bracket 81, a spindle motor 82, and a spindle 83, the spindle mounting bracket 81 is connected to the supporting carriage 12 through the Z-axis linear guide set 71, the spindle motor 82 is disposed in the spindle mounting bracket 81, one end of the spindle 83 is connected to an output end of the spindle motor 82, and the other end extends out of a lower surface of the spindle mounting bracket 81.
Referring to fig. 3, in some embodiments, the balancing device 9 includes a balancing cylinder mounting seat 91, a balancing cylinder bracket 92, and a balancing cylinder 93, the balancing cylinder mounting seat 91 is symmetrically disposed on two sides of the main shaft device 8 and is fixedly connected to the supporting carriage 12, the balancing cylinder bracket 92 is disposed in the middle of two sides of the main shaft device 8, the balancing cylinder 93 is fixedly disposed on the balancing cylinder mounting seat 91, and the telescopic end of the balancing cylinder bracket 93 is connected to the balancing cylinder bracket 92.
Referring to fig. 7, in some embodiments, the tool magazine 10 includes a tool magazine mounting rack 101, a tool magazine fixing seat 102, a rotating shaft 103, a rotating disc 104 and a tool buckle 105, the tool magazine mounting rack 101 is disposed on one side of the base 1, the tool magazine fixing seat 102 is disposed on the tool magazine mounting rack 101, the rotating shaft 103 is disposed on the tool magazine fixing seat 102, the rotating disc 104 is disposed on the rotating shaft 103, and the tool buckle 105 is disposed on an outer edge of the rotating disc 104; tool setting device 11 includes tool setting appearance fixing base 111 and tool setting appearance 112, and tool setting appearance fixing base 111 sets up on base 1, and tool setting appearance 112 sets up on tool setting appearance fixing base 111. The cutter buckle 105 can be used for placing a plurality of cutters with different specifications, and different cutters can be automatically replaced according to different machining requirements during machining; the tool setting gauge 112 can calibrate the coordinate value of the tool before feeding when the tool is replaced, so that the collision accident between the tool and the workpiece is avoided.
Referring to fig. 3, in some embodiments, a tow chain frame 14 for placing a tow chain or an air pipe is further disposed on the top end of the spindle device 8; and the beam 3, the supporting carriage frame 12 and the base 1 are respectively provided with a grating ruler 13 for measuring the moving distance in the X-axis direction, the Z-axis direction and the Y-axis direction.
Example 2
Referring to fig. 2, a high-speed processing center comprises a base 1 made of marble, a vertical column 2 vertically arranged on the base 1, and a beam 3 arranged on the vertical column, wherein a processing table 4 is arranged on the base 1, a Y-axis driving device 6 for driving the processing table 4 to move along the Y-axis direction is arranged between the processing table 4 and the base 1, an X-axis driving device 5 and a supporting carriage frame 12 are arranged on the beam 3, the supporting carriage frame 12 is arranged on the X-axis driving device 5, the X-axis driving device 5 is arranged on the beam 3 for driving the supporting carriage frame 12 to move along the X-axis direction, a Z-axis driving device 7, a main shaft device 8 and a balance device 9 are arranged on the supporting carriage frame 12, the main shaft device 8 is arranged on the Z-axis driving device 7, the balance device 9 is arranged on the main shaft device 8, the Z-axis driving device 7 is arranged on the supporting carriage frame 12, the tool setting device is used for driving the spindle device 8 to move along the Z-axis direction, a tool setting device 11 and a tool magazine 10 are further arranged on one side of the base 1, the tool magazine 10 is arranged on the side face of the base 1, and the tool setting device 11 is arranged between the tool magazine 10 and the machining table 4 and used for calibrating coordinate values of used tools.
Referring to fig. 2, in some embodiments, the processing table 4 includes a telescopic base 41, a B-axis rotating device 43 and a C-axis rotating device 44, the telescopic base 41 is disposed on the Y-axis driving device 6, the B-axis rotating device 43 and the C-axis rotating device 44 are disposed on the telescopic base 41 in parallel, and the B-axis rotating device 43 is connected to the C-axis rotating device 44 for driving the C-axis rotating device 44 to rotate. The B-axis rotating device 43 and the C-axis rotating device 44 can also be provided with the rotary grating ruler 13 to improve the precision.
Referring to fig. 5, in some embodiments, the B-axis rotating device 43 includes a B-axis motor mount 431, a B-axis servo motor 432, and a B-axis rotating shaft 433, the B-axis motor mount 431 is disposed on the telescopic base 41, the B-axis servo motor 432 is disposed in the B-axis motor mount 431, one end of the B-axis rotating shaft 433 is connected to an output end of the B-axis servo motor 432, and the other end is connected to the C-axis rotating device 44; the C-axis rotating device 44 includes a C-axis motor mount 441, a C-axis servomotor 442, and a C-axis rotary disk 443, the C-axis motor mount 441 is fixedly connected to the B-axis rotary shaft 433, the C-axis servomotor 442 is disposed in the C-axis motor mount 441, and the C-axis rotary disk 443 is disposed on the C-axis servomotor 442 and connected to an output shaft of the C-axis servomotor 442.
Referring to fig. 2, in some embodiments, the Y-axis driving device 6 includes a Y-axis linear guide set 61, a Y-axis linear motor stator 62, and a Y-axis linear motor mover 63, the Y-axis linear guide set 61 is fixedly disposed on the middle portion of the base 1 and slidably connected to the telescopic base 41, the Y-axis linear motor stator 62 is disposed between the Y-axis linear guide sets 61 and fixedly connected to the base 1, and the Y-axis linear motor mover 63 is disposed at the bottom of the telescopic base 41 and corresponds to the Y-axis linear motor stator 62.
Referring to fig. 2, in some embodiments, the X-axis driving device 5 includes an X-axis linear guide set 51, an X-axis linear motor stator 52, and an X-axis linear motor rotor 53, the X-axis linear guide set 51 is disposed on a side surface of the cross beam 3 and slidably connected to the supporting carriage 12, the X-axis linear motor stator 52 is disposed between the X-axis linear guide sets 51 and fixedly connected to the cross beam 3, and the X-axis linear motor rotor 53 is disposed on a side of the supporting carriage 12 and corresponds to the X-axis linear motor stator 52.
Referring to fig. 6, in some embodiments, the Z-axis driving device 7 includes a Z-axis linear guide group 71, a Z-axis linear motor stator 72, and a Z-axis linear motor mover 73, the Z-axis linear guide group 71 is disposed on two sides of the spindle device 8 and slidably connected to the supporting carriage 12, the Z-axis linear motor stator 72 is disposed on the other side of the supporting carriage 12, and the Z-axis linear motor mover 73 is disposed on the spindle device 8 and corresponds to the Z-axis linear motor stator 72.
Referring to fig. 4, in some embodiments, the spindle assembly 8 includes a spindle mount 81, a spindle motor 82, and a spindle 83, the spindle mount 81 is connected to the supporting carriage 12 through the Z-axis linear guide set 71, the spindle motor 82 is disposed in the spindle mount 81, one end of the spindle 83 is connected to an output end of the spindle motor 82, and the other end extends out of a lower surface of the spindle mount 81.
Referring to fig. 4, in some embodiments, the balancing device 9 includes a balancing cylinder mounting seat 91, a balancing cylinder bracket 92, and a balancing cylinder 93, the balancing cylinder mounting seat 91 is symmetrically disposed on two sides of the main shaft device 8 and is fixedly connected to the supporting carriage 12, the balancing cylinder bracket 92 is disposed on the top of the main shaft device 8, the balancing cylinder 93 is fixedly disposed on the balancing cylinder mounting seat 91, and the telescopic end is connected to the balancing cylinder bracket 92.
Referring to fig. 7, in some embodiments, the tool magazine 10 includes a tool magazine mounting rack 101, a tool magazine fixing seat 102, a rotating shaft 103, a rotating disc 104 and a tool buckle 105, the tool magazine mounting rack 101 is disposed on one side of the base 1, the tool magazine fixing seat 102 is disposed on the tool magazine mounting rack 101, the rotating shaft 103 is disposed on the tool magazine fixing seat 102, the rotating disc 104 is disposed on the rotating shaft 103, and the tool buckle 105 is disposed on an outer edge of the rotating disc 104; tool setting device 11 includes tool setting appearance fixing base 111 and tool setting appearance 112, and tool setting appearance fixing base 111 sets up on base 1, and tool setting appearance 112 sets up on tool setting appearance fixing base 111. The cutter buckle 105 can be used for placing a plurality of cutters with different specifications, and different cutters can be automatically replaced according to different machining requirements during machining; the tool setting gauge 112 can calibrate the coordinate value of the tool before feeding when the tool is replaced, so that the collision accident between the tool and the workpiece is avoided.
Referring to fig. 4, in some embodiments, a tow chain frame 14 for placing a tow chain or an air pipe is further disposed on the top end of the spindle device 8; a grating ruler 13 for measuring the moving distance in the X-axis direction, the Z-axis direction and the Y-axis direction is arranged on the cross beam 3, the supporting carriage frame 12 and the base 1
When the machining device is used specifically, a workpiece to be machined is placed on the machining table 4, the machining table 4 is driven to move back and forth in a reciprocating mode along the Y-axis direction through the Y-axis driving device 6, the main shaft device 8 is driven to move left and right in a reciprocating mode along the X-axis direction through the X-axis driving device 5, and the main shaft device 8 is driven to move up and down in a reciprocating mode along the Z-axis direction through the Z-axis driving device 7 to machine the workpiece; when the three-axis direction is not enough for processing, the processing angle can be adjusted through the B-axis rotating device 43 and the C-axis rotating device 44, the B-axis rotating device 43 can drive the C-axis rotating device 44 to rotate, so that the workpiece is driven to rotate, and the C-axis rotating device 44 can directly drive the workpiece to rotate, so that the processing angle can be adjusted according to the processing requirement; when a tool needs to be replaced, the X-axis driving device 5 drives the spindle device 8 to move to the upper side of the tool magazine 10, the tool magazine 10 can rotate the tool which needs to be used to the position right below the spindle 83 according to requirements, so that the spindle 83 can replace the tool, after the spindle 83 replaces the tool, coordinate values before tool feeding are adjusted through tool setting of the tool setting gauge 112, and the tool is placed to collide with a workpiece in the moving process.
The base 1 is made of advanced marble materials, so that the damping vibration attenuation performance, the low thermal expansion coefficient, the long-term precision stability and the high corrosion resistance are excellent, and the performance and the stability of the whole machine are far higher than those of a base part material and the machine tool base still adopts a traditional cast iron structure; the X-axis driving device 5, the Y-axis driving device 6 and the Z-axis driving device 7 are all driven by linear motors, and in the machining process, the friction force generated by the X, Y, Z-axis direction movement is small, the thermal elongation phenomenon of a lead screw in the traditional transmission mode is avoided, and the advantages of small inertia, no reverse gap, high response speed and high movement speed are achieved; the spindle motor 82 and the spindle 83 of the spindle device 8 are synchronous motor spindles, so that excessive heat is not generated during processing, and the spindle device has the advantages of small heat productivity and large torque output; by arranging the balance device 9 on the main shaft device 8, when the main shaft device 8 loses lifting power, the balance cylinders 93 arranged at two sides of the main shaft device 8 can support the whole main shaft device 8, so that the main shaft device 8 is prevented from slipping off when no power is supplied, the main shaft 83 is prevented from being damaged, and the stability is improved; through set up the grating chi 13 that is used for surveing X axle direction, Z axle direction and Y axle direction displacement distance on crossbeam 3, support carriage frame 12 and base 1, the distance of calculation displacement that can be accurate improves the machining precision.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A high-speed processing center comprises a base made of marble, a stand vertically arranged on the base and a beam arranged on the stand, and is characterized in that a processing table is arranged on the base, a Y-axis driving device used for driving the processing table to move along the Y-axis direction is arranged between the processing table and the base, an X-axis driving device and a supporting carriage rack are arranged on the beam, the supporting carriage rack is arranged on the X-axis driving device, the X-axis driving device is arranged on the beam and used for driving the supporting carriage rack to move along the X-axis direction, a Z-axis driving device, a main shaft device and a balancing device are arranged on the supporting carriage rack, the main shaft device is arranged on the Z-axis driving device, the balancing device is arranged on the main shaft device, the Z-axis driving device is arranged on the supporting carriage rack, the tool setting device is arranged on the side face of the base, and the tool setting device is arranged between the tool magazine and the machining table and used for calibrating coordinate values of used tools.
2. The high-speed machining center according to claim 1, wherein the machining table comprises a telescopic base and a planar table or a telescopic base, a B-axis rotating device and a C-axis rotating device, the telescopic base is arranged on the Y-axis driving device, the planar table is arranged on the telescopic base, or the telescopic base is arranged on the Y-axis driving device, the B-axis rotating device and the C-axis rotating device are arranged on the telescopic base in parallel, and the B-axis rotating device is connected with the C-axis rotating device and used for driving the C-axis rotating device to rotate.
3. The high-speed machining center according to claim 2, wherein the B-axis rotating device comprises a B-axis motor mounting seat, a B-axis servo motor and a B-axis rotating shaft, the B-axis motor mounting seat is arranged on the telescopic base, the B-axis servo motor is arranged in the B-axis motor mounting seat, one end of the B-axis rotating shaft is connected with the output end of the B-axis servo motor, and the other end of the B-axis rotating shaft is connected with the C-axis rotating device; the C-axis rotating device comprises a C-axis motor mounting seat, a C-axis servo motor and a C-axis rotating disc, the C-axis motor mounting seat is fixedly connected with the B-axis rotating shaft, the C-axis servo motor is arranged in the C-axis motor mounting seat, and the C-axis rotating disc is arranged on the C-axis servo motor and connected with an output shaft of the C-axis servo motor.
4. The high-speed machining center according to claim 2, wherein the Y-axis driving device comprises a Y-axis linear guide rail set, a Y-axis linear motor stator and a Y-axis linear motor rotor, the Y-axis linear guide rail set is fixedly arranged in the middle of the base and slidably connected with the telescopic base, the Y-axis linear motor stator is arranged between the Y-axis linear guide rail set and fixedly connected with the base, and the Y-axis linear motor rotor is arranged at the bottom of the telescopic base and corresponds to the Y-axis linear motor stator.
5. The high-speed machining center according to claim 1, wherein the X-axis driving device includes an X-axis linear guide set, an X-axis linear motor stator, and an X-axis linear motor mover, the X-axis linear guide set is disposed on a side surface of the cross beam and slidably connected to the supporting carriage frame, the X-axis linear motor stator is disposed between the X-axis linear guide set and fixedly connected to the cross beam, and the X-axis linear motor mover is disposed on one side of the supporting carriage frame and corresponds to the X-axis linear motor stator.
6. The high-speed machining center according to claim 5, wherein the Z-axis driving device comprises a Z-axis linear guide rail set, a Z-axis linear motor stator and a Z-axis linear motor rotor, the Z-axis linear guide rail set is arranged on two sides of the spindle device and is slidably connected with the supporting carriage frame, the Z-axis linear motor stator is arranged on the other side of the supporting carriage frame, and the Z-axis linear motor rotor is arranged on the spindle device and corresponds to the Z-axis linear motor stator.
7. The high-speed machining center according to claim 6, wherein the spindle device comprises a spindle mounting rack, a spindle motor and a spindle, the spindle mounting rack is connected with the support carriage through a Z-axis linear guide rail set, the spindle motor is arranged in the spindle mounting rack, one end of the spindle is connected with an output end of the spindle motor, and the other end of the spindle extends out of a lower surface of the spindle mounting rack.
8. The high-speed machining center according to claim 7, wherein the balancing device comprises a balancing cylinder mounting seat, a balancing cylinder support and a balancing cylinder, the balancing cylinder mounting seat is symmetrically arranged on two sides of the main shaft device and fixedly connected with the supporting carriage frame, the balancing cylinder support is arranged in the middle of the top or two sides of the main shaft device, the balancing cylinder is fixedly arranged on the balancing cylinder mounting seat, and a telescopic end of the balancing cylinder support is connected with the balancing cylinder support.
9. The high-speed machining center according to claim 1, wherein the tool magazine comprises a tool magazine mounting frame, a tool magazine fixing seat, a rotating shaft, a rotary table and a tool buckle, the tool magazine mounting frame is arranged on one side of the base, the tool magazine fixing seat is arranged on the tool magazine mounting frame, the rotating shaft is arranged on the tool magazine fixing seat, the rotary table is arranged on the rotating shaft, and the tool buckle is arranged on the outer edge of the rotary table; the tool setting device comprises a tool setting gauge fixing seat and a tool setting gauge, the tool setting gauge fixing seat is arranged on the base, and the tool setting gauge is arranged on the tool setting gauge fixing seat.
10. The high-speed machining center according to claim 7, wherein a drag chain frame for placing a drag chain or an air pipe is further arranged on the top end of the main shaft device; and the cross beam, the supporting chute plate frame and the base are respectively provided with a grating ruler for measuring the moving distance in the X-axis direction, the Z-axis direction and the Y-axis direction.
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| CN114035490A (en) * | 2021-11-04 | 2022-02-11 | 苏州天准科技股份有限公司 | Driving and control shaft device and balance control method thereof |
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