CN202804376U - Precise forming numerical control four-axis linkage inner cyclone milling machine - Google Patents
Precise forming numerical control four-axis linkage inner cyclone milling machine Download PDFInfo
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- CN202804376U CN202804376U CN 201220287574 CN201220287574U CN202804376U CN 202804376 U CN202804376 U CN 202804376U CN 201220287574 CN201220287574 CN 201220287574 CN 201220287574 U CN201220287574 U CN 201220287574U CN 202804376 U CN202804376 U CN 202804376U
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Abstract
The utility model provides a precise forming numerical control four-axis linkage inner cyclone milling machine. The milling machine can process various enveloping worms, the surface roughness can reach Ra 0.8, and the production efficiency is high. The milling machine comprises a lathe bed, a main spindle box, a main spindle C-axis, a Z-axis longitudinal sliding table, an X-axis horizontal sliding table and an A-axis slewing table arranged on the horizontal sliding table; a cutter head inclination angle adjusting box and a supporting seat are arranged on a rotating table; a cyclone tool rest comprises a tool holder body, a cutter head and a main motor fixed on the tool holder body, and the main motor drives the cutter head provided with a milling cutter through a transmission mechanism; the cutter head inclination angle adjusting box and the supporting seat are mounted on the two sides of the tool holder body through slewing bearings respectively; and the cutter head inclination angle adjusting box is provided with a cutter head inclination angle adjusting mechanism, which drives the tool holder body to rotate around an axial line formed by the slewing bearings on the two sides of the tool holder body.
Description
Technical field
Present technique relates to envelope stock-removing machine in a kind of whirlwind, and it can realize four-axle linked, is mainly used in processing spiral camber part (worm screw, extrusion screw rod etc.), specifically, is a kind of four-axle linked internal cyclone milling machine.
Background technology
In the existing planar double enveloping worm process equipment, mainly be to process by turning, the circumscribed processing of dish-type cutter, the modes such as finger cutter are processed, its shortcoming is: the theoretical center of a worm and wheel is apart from being determined by the radius of gyration of cutter on rotary table, when the theoretical center of worm and wheel apart from less than 150mm or greater than 400mm the time, processing just becomes very difficult.And existing equipment is huge, has limited the production application of enveloping worm; Two surface roughnesses are low; Three production efficient are not high.
Summary of the invention
The purpose of present technique provides a kind of planar double enveloping worm internal cyclone stock-removing machine of precise forming, and it can realize the processing of multiple enveloping worm, and surface roughness reaches Ra0.8, and production efficiency is high.
The four-axle linked internal cyclone milling machine of this numerical control comprises control system, lathe bed, main spindle box, is arranged on the vertical slide unit of Z axis on the lathe bed, is arranged on the horizontal slide unit of X-axis on vertical slide unit, A axle rotary table on the horizontal slide unit is set, is arranged on the panoramic table whirlwind knife rest with cutterhead Inclination maneuver case and supporting seat.
The beneficial effect of present technique: under the control of control system, the interlock that the whirlwind knife rest relies on vertical slide unit, horizontal slide unit and rotary table realizes the orbiting motion along imaginary pitch circle of wormwheel radius.Present technique is to have increased each axis' control on hindley worm cutting machines basis, makes cutting edge roundness simulate the helical tooth flank of planar double enveloping worm, can process the worm screw of multiple anchor ring.Cutterhead adopts internal cyclone cutterhead (tool-post structure is with respect to an internal cyclone milling head), and workpiece is carried out inscribe processing, and machining accuracy is high.The two end supports of tool-post structure is dual-support structure on cutterhead Inclination maneuver case and supporting seat, the space that not only good rigidly, and tool-post structure rotates large (cutterhead Inclination maneuver amplitude is large).Therefore, the overall structure good rigidly of present technique vibrates littlely, and the worm screw surface roughness that processes reaches Ra0.8.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, the whirlwind knife rest comprises tool-post structure, cutterhead and is fixed on main motor on the tool-post structure, main motor drives the cutterhead that milling cutter is housed by transmission mechanism, cutterhead Inclination maneuver case and supporting seat are installed in respectively the both sides of tool-post structure by pivoting support, have in the cutterhead Inclination maneuver case to drive the cutterhead dip angle adjusting mechanism that tool-post structure winds the axis rotation that is made of its both sides pivoting support.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, the cutter centre of gyration is through cutterhead Inclination maneuver axis.This structure is so that the cutterhead inclination angle is adjusted arbitrarily, and centre-height is constant.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, it also comprises the tailstock that is arranged on the lathe bed; The central shaft of tailstock is coaxial with main shaft.Tailstock belongs to prior art, can withstand by the rear end of the processed worm screw of main shaft clamping by tailstock.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, main motor links to each other with cutterhead by tape handler or gear drive.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, cutterhead are the internal cyclone cutterheads.That is to say that tool-post structure is equivalent to the internal cyclone milling head.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, what the cutterhead dip angle regulating device adopted is the worm and wormwheel auxiliary structure.That is to say, drive tool-post structure by worm-gears and rotate, thereby change the cutterhead inclination angle.
Above-mentioned numerical control four-axis linkage internal cyclone milling machine, main spindle box is the worm and wormwheel structure, is directly driven by servomotor.That is to say that servomotor drives main shaft by worm-gears and rotates.
Description of drawings
Fig. 1 is numerical control four-axis linkage internal cyclone milling machine top view;
Fig. 2 is numerical control four-axis linkage internal cyclone milling machine front view;
Fig. 3 is the schematic diagram of horizontal slide unit, vertical slide unit, panoramic table, whirlwind knife rest etc.;
Fig. 4 is the schematic diagram (right view of Fig. 3) of horizontal slide unit, vertical slide unit, panoramic table, whirlwind knife rest etc.
The specific embodiment
Reach with reference to the accompanying drawings embodiment and further specify the technical program.
Referring to the interlock of numerical control four-axis shown in Fig. 1-2 enveloping worm whirling mill lathe, mainly comprise lathe bed 1, main spindle box 2 and spindle drive motor 3, vertical slide unit 4 and servo longitudinal motor 5, control system, electrical system, hydraulic system, cooling system.Horizontal slide unit 6 and horizontal servomotor 7 vertically are housed above the slide unit, laterally above the slide unit panoramic table 8 and panoramic table servomotor 9 are housed, whirling mill mechanism is housed above the panoramic table 8.
Whirling mill mechanism is comprised of cutterhead Inclination maneuver case 10, tool-post structure 11 and supporting seat 12, main motor 13 and cutterhead 14 are housed on the tool-post structure, the cutterhead transmission is arranged on the tool-post structure, and main motor 13 is fixed on tool-post structure top, and main motor links to each other with cutter spindle by transmission mechanism; Symmetrical installation is some profile milling cutter (cutting knife) 16 on the cutterhead 14.Cutterhead Inclination maneuver case 10 and supporting seat 12 are installed in respectively the both sides of tool-post structure 11 by pivoting support.Five axles of this milling machine: the rotary middle spindle C axle of main shaft, panoramic table A axle, vertical slide unit Z axis, horizontal slide unit X-axis, the rotary middle spindle V axle of cutterhead.Tetrad is moving to refer to main shaft C axle, panoramic table A axle, and vertical slide unit Z axis, laterally slide unit X-axis four axles move simultaneously.
Connected by guide rail 15 between lathe bed 1 and the vertical slide unit 4, the central shaft of tailstock (tailstock) 18 is coaxial with the main shaft of main spindle box 2.
The gudgeon at the two ends of tool-post structure 11 on cutterhead Inclination maneuver case 10 and supporting seat 12, has worm gear in the cutterhead Inclination maneuver case 10 by bearings, and worm-wheel shaft links to each other with gudgeon, and the end of the worm screw that cooperates with worm gear stretches out and is connected cutterhead Inclination maneuver case 10.14 rotations of main motor 13 band movable knife discs, the rotation of driven by servomotor main shaft C axle, vertically slide unit 4 is done the Z-direction motion, panoramic table drive motors 9(servomotor) drives rotary table and do the gyration of A axle, laterally slide unit 6 is done the X-direction motion, and tool-post structure rotates around U axle (axis of gudgeon) and adjusts angle.During use, rotary worm so that tool-post structure rotates around U axle (axis of gudgeon), is adjusted the cutterhead inclination angle, then tool-post structure is fixed on the cutterhead Inclination maneuver case.The arc track of enveloping worm is realized by the circular interpolation motion of X-axis and Z axis, makes the machine bed accessory that four-axle linked function be arranged, the control cutting knife 16 envelope forming ring surface-worm flank of tooth.
Add man-hour, vertical slide unit 4 and tailstock 18 can be done Z-direction and move, and workpiece 17 is installed between main shaft 2 and the tailstock 18, according to workpiece whirlwind tool-post structure 11 angles are adjusted in the requirement at cutterhead inclination angle, use supporting seat to fix; By vertical slide unit 4 and the laterally circular interpolation motion of slide unit 6, satisfy the requirement of the centre-to-centre spacing of enveloping worm pair.Main motor 13 drives cutterhead 14 High Rotation Speeds that cutting knife 16 is housed by the belt that is contained in cutterhead 14, simultaneously vertically slide unit 4, laterally slide unit 6 and panoramic table 8 make cutting knife 16 at workpiece 17 coenvelope out-of-plane double enveloping worms with the relative rotation speed motion of the enveloping worm pair gearratio processed.The rotating ratio of main spindle box 2 and panoramic table 8 is consistent with the gearratio of the enveloping worm pair of processing.
Described motor drives the cutter spindle rotation by transmission mechanism; The whirlwind knife rest rotates with rotary table A axle.According to the cutterhead inclination angle requirement of enveloping worm to be processed, the anglec of rotation of adjusting the whirlwind tool-post structure by cutterhead Inclination maneuver case and supporting seat is also fixing.What the internal cyclone milling head adopted is dual-gripper, and what the cutterhead dip angle regulating device adopted is the worm gear structure.
The lathe of present technique has A, C, X, Z, V five axles, and A, C, the four-axle linked function of X, Z are arranged, and the cutting edge motion by the controlled working cutter makes it the envelope out-of-plane double enveloping worm flank of tooth.The effect of present technique is under the high-speed cutting state, realizes the rapid shaping of the enveloping worm flank of tooth, is equivalent to the grinding enveloping worm.
Claims (12)
1. numerical control four-axis linkage internal cyclone milling machine is characterized in that: comprise control system, lathe bed, main spindle box, main shaft, be arranged on the vertical slide unit of Z axis on the lathe bed, be arranged on the horizontal slide unit of X-axis on vertical slide unit, be arranged on A axle panoramic table on the horizontal slide unit, be arranged on the whirlwind knife rest with cutterhead Inclination maneuver case and supporting seat on the panoramic table.
2. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1, it is characterized in that: the whirlwind knife rest comprises tool-post structure, cutterhead and is fixed on main motor on the tool-post structure, main motor drives the cutterhead that milling cutter is housed by transmission mechanism, cutterhead Inclination maneuver case and supporting seat are installed in respectively the both sides of tool-post structure by pivoting support, have in the cutterhead Inclination maneuver case to drive the cutterhead dip angle adjusting mechanism that tool-post structure winds the axis rotation that is made of its both sides pivoting support.
3. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1, it is characterized in that: the vertical, horizontal slide unit is cross distribution, on the one slide unit rotary table is installed.
4. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1, it is characterized in that: rotary table is turned round by driven by servomotor.
5. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1, it is characterized in that: the whirlwind knife rest is installed on the rotary table by cutterhead Inclination maneuver case and supporting seat.
6. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1, it is characterized in that: also comprise the tailstock that is arranged on the lathe bed, the central shaft of tailstock is coaxial with main shaft.
7. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 2 is characterized in that: the cutterhead on the whirlwind knife rest and main motor are by belt or gear drive.
8. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 2 is characterized in that: the internal cyclone cutterhead is installed on the whirlwind knife rest, workpiece is carried out cutting in the envelope.
9. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 2 is characterized in that: whirlwind knife rest and rotary table be connected to double supporting structure.
10. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 2, it is characterized in that: holder is the folding bearing block structure.
11. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 2 is characterized in that: a wherein supporting base of double supporting structure is installed cutterhead Inclination maneuver worm-gears.
12. numerical control four-axis linkage internal cyclone milling machine as claimed in claim 1 is characterized in that: main spindle box is the worm and wormwheel slowing-down structure, is directly driven by servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287574 CN202804376U (en) | 2011-12-30 | 2012-06-18 | Precise forming numerical control four-axis linkage inner cyclone milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120571048 | 2011-12-30 | ||
| CN201120571048.X | 2011-12-30 | ||
| CN 201220287574 CN202804376U (en) | 2011-12-30 | 2012-06-18 | Precise forming numerical control four-axis linkage inner cyclone milling machine |
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| CN202804376U true CN202804376U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220287574 Expired - Lifetime CN202804376U (en) | 2011-12-30 | 2012-06-18 | Precise forming numerical control four-axis linkage inner cyclone milling machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528173A (en) * | 2011-12-30 | 2012-07-04 | 南京彩云机械电子制造有限公司 | Numerical controlled four-axis linkage inner whirlwind milling machine |
| CN106392205A (en) * | 2016-11-24 | 2017-02-15 | 湖北登峰高强螺栓有限公司 | Cyclone milling machine for machining internal thread of large-size nut |
| CN106891047A (en) * | 2017-04-07 | 2017-06-27 | 东南大学 | One kind bending axial workpiece external cutting processing unit (plant) and cutting working method |
| CN107775067A (en) * | 2017-11-02 | 2018-03-09 | 黑龙江齐四机床有限公司 | A kind of processing method for the formed thin plate of cambered surface and apply its milling machine |
-
2012
- 2012-06-18 CN CN 201220287574 patent/CN202804376U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528173A (en) * | 2011-12-30 | 2012-07-04 | 南京彩云机械电子制造有限公司 | Numerical controlled four-axis linkage inner whirlwind milling machine |
| CN106392205A (en) * | 2016-11-24 | 2017-02-15 | 湖北登峰高强螺栓有限公司 | Cyclone milling machine for machining internal thread of large-size nut |
| CN106891047A (en) * | 2017-04-07 | 2017-06-27 | 东南大学 | One kind bending axial workpiece external cutting processing unit (plant) and cutting working method |
| CN107775067A (en) * | 2017-11-02 | 2018-03-09 | 黑龙江齐四机床有限公司 | A kind of processing method for the formed thin plate of cambered surface and apply its milling machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 211300 No. 15 Taoyuan North Road, Gaochun Economic Development Zone, Nanjing, Jiangsu. Patentee after: Nanjing bright cloud mechano-electronic manufactures Group Co., Ltd Address before: 211300 No. 15 Taoyuan North Road, Gaochun Development Zone, Gaochun County, Nanjing, Jiangsu. Patentee before: Nanjing Caiyun Machinery & Electronic Manufacturing Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
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| CX01 | Expiry of patent term |