CN201338194Y - Numerical control turn table for turn-over type automatic indexing - Google Patents
Numerical control turn table for turn-over type automatic indexing Download PDFInfo
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- CN201338194Y CN201338194Y CNU2008200912549U CN200820091254U CN201338194Y CN 201338194 Y CN201338194 Y CN 201338194Y CN U2008200912549 U CNU2008200912549 U CN U2008200912549U CN 200820091254 U CN200820091254 U CN 200820091254U CN 201338194 Y CN201338194 Y CN 201338194Y
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Abstract
The utility model relates to a numerical control turn table for turn-over type automatic indexing of an additional device, which is specially used in a high-speed cutting spark linear cutting machine. The numerical control turn table for turn-over type automatic indexing is characterized in that: the turn table is mounted on a working platform of a linear cutting machine for clamping workpieces; a stepper motor is used as the power source to realize rotary motion of the rotating platform by driving a pair of worm pairs; the other one stepper motor is used as the power source to realize automatic indexing by driving a pair of gear pairs so that the axial lead for rotary motion inclines at a certain degree; a base is an angular bracket which can be clamped on the working platform of the linear cutting machine using the bottom surface and lateral surface vertical to each other for turn-over use. The turn table is mainly composed of a stepper motor, a worm wheel, a worm, a gear, a bearing support, a deep groove ball bearing, a ball thrust bearing, a single row angular contact ball bearing, a shaft, a hexagon head bolt, a transition clamp body, a hooked bolt, a locking disc, a base, and the like. Under the premise of satisfying the processing precision and the operating requirement, the numerical turn table has simple structure, favorable self-locking performance, accurate and flexible motion, high processing precision, convenience for assembling workpieces, high working efficiency, easy production, strong operability, small volume, light weight and attractive appearance, can control each section of the numerical control turn table rapidly and has universal applicability.
Description
Technical field:
The utility model relates to a kind of mechanical clamping device of numerical control, is specifically designed on the high-speed wire electrical discharge machine tool, increases the gyration and the swing (automatic indexing) of workpiece.Enlarge the range of application of high-speed wire electrical discharge machine tool, thereby can process 3 D complex ruled surface part.This device can be applicable in the industries such as machinery manufacturing industry, space flight and aviation, electronics, motor, especially in the mold manufacturing industry.
Background technology:
Manyly be used to make electronic device, instrument, motor, automobile and tractor and aircraft, the used mould of rocket part, all adopt the Wire-cut Electrical Discharge Machining technology to make.The Wire-cut Electrical Discharge Machining technology has become the important means of Mould Machining.Yet common numerically controlled wire cutting machine has only X, Y workbench, and molybdenum filament has only the motion of X, Y both direction with respect to the workpiece on the workbench, so the two-dimentional profile (type hole or type post) that can only cut straight wall.Be usually used in processing the punch die of straight wall, for example the upper punch of stamping-out silicon steel sheet and lower cavity die or similar workpiece., have many moulds but require the blanking angle or up and down two cross sections have different shapes, this proposes how to realize the difficult problem of tapering or space curved surface line cutting processing just for electric machining circle.
On homemade high-speed wire electrical discharge machine tool, utilize at present attachment device can realize the processing of tapering cutting and Parts with Space Surface.Harbin Measuring ﹠ Cutting Tools Factory and Shanghai Textile Machinery Factory No. 7 have developed a few cover numerical control turret devices (single shaft) respectively, make part in line cutting processing, not only can move in X, Y direction, but also can realize rotation around three-dimensional X-axis or Y-axis or Z axle, enlarged the processing range of homemade high speed travelling wire wire cutting machine tool to a certain extent.The two-axis numerical control of Harbin Institute of Technology development changes the pendulum workbench, can drive part to be processed when an axle rotates again around another swing, but the orientation that can place is single.Yet these install, and also do not satisfy the actual needs of industrial technology develop rapidly far away.Therefore, need further to develop the utility space camberline cutting processing technological equipment that is integrated as main body with homemade wire cutting machine tool and modernized instrument, widen China's wire cutting technology scope significantly.
More external developed countries, especially state such as Switzerland and Japan produce and use be wire electrical discharge machine tool at a slow speed, its processing space curved surface is to utilize special tapering cutter sweep to realize, is inapplicable on homemade high speed travelling wire wire cutting machine tool.
Summary of the invention:
Because common high-speed wire electrical discharge machine tool has only the two-layer workbench of X, Y, molybdenum filament has only moving of X, Y both direction, the therefore two-dimentional profile that can only cut straight wall with respect to the workpiece on the workbench.In order to overcome the deficiency of existing wire cutting machine tool, enlarge its range of application, the utility model provides a kind of machine tool accessories.
The technical scheme that the utility model adopted is:
The base of convertible automatic indexing numerical control turntable is an angular support frame, can utilize two mutually perpendicular bottom surfaces and side clamping respectively on wire electrode cutting bench, and upset is used.The axial line that is gyration both can be in the spatial vertical position, also can overturn 90 ° to be horizontal.And the axial line of dividing movement (revolution range ± 0～30 °) is vertical with the axial line of gyration, can make the axial line of gyration certain angle that tilts by dividing movement, realizes the processing request of different spaces curved surface part.
Workpiece can utilize cylindrical and end face to be installed in the worm gear, utilizes the seam in the worm gear endoporus to position, and clamps with four fluting flush end holding screws, and this moment, the axial line of workpiece was in vertical position.When the axial line of workpiece need be horizontal, can by the concrete clamping of transition clamp on worm gear, workpiece be positioned by its endoporus, with four flush end holding screws of slotting from clamping work pieces radially.Transition clamp specifically is to keep the tram with cylindrical and end face location, is fastened on the worm gear by four hexagon-headed bolts.
Gyration and calibration (swing) adopt two stepper motors to do power source respectively, digital process control.The output shaft of first stepper motor is connected with key with worm screw, by a pair of worm gear transmission, realizes the gyration of worm gear and workpiece.It is 0.001 °/pulse that this motion can reach pulse resolution.Worm gear supports with a thrust ball bearing 5 and a deep groove ball bearing 3, and spacer is used to realize the axial location of thrust ball bearing and deep groove ball bearing.
The output shaft of another stepper motor is connected with key with gear, by its driven gear auxiliary driving, connect by key, driving a semiaxis rotates, bearing spider connects with key between the semiaxis therewith, the other end of bearing spider is supported on another root semiaxis, makes bearing spider drive worm gear and workpiece rotation, realizes automatic indexing.
On a semiaxis, the locking disk has been installed, has been compressed the locking disk by hook-shaped bolt behind each calibration and realize self-locking behind the calibration.Dive key is fixed on the semiaxis by screw, and the locking disk can endwisely slip along dive key, realizes locking the locking of disk and separating.Calibration scope ± 30 °.
The beneficial effects of the utility model are:
The utility model " convertible automatic indexing numerical control turntable " adopts digital process control.Can drive workpiece around 360 ° of rectangular space coordinate Z axle revolutions, around vertical therewith reference axis (X-axis or Y-axis) automatic indexing ± 0 °～30 °.And the use of can on wire electrode cutting bench, overturning, when 90 ° of upsets are used, can be around 360 ° of rectangular space coordinate X-axis or Y-axis revolutions, and can be around vertical therewith reference axis automatic indexing ± 0 °～30 °.
Opening space curved surface Wire-cut Electrical Discharge Machining new equipment, the possibility of realization three-dimensional space curved surface part line cutting processing.If clamping workpiece on this numerical control turntable, and is walked silk cutting machine tool with High-speed Computer number control and is combined, can realize two rotations and two mobile four-axle linked processing of workpiece.Fundamentally solve the key technical problem of Parts with Space Surface Wire-cut Electrical Discharge Machining, enlarge the processing range of high speed travelling wire Wire-cut Electrical Discharge Machining significantly, can use for the user.Simultaneously, utilize this panoramic table also can transform, a new product development direction will be provided for traditional lathe manufacturing enterprise, for enterprise creates new profit growth point existing common high-speed wire electrical discharge machine tool.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is transmission principle figure of the present utility model
Fig. 2 is a complete machine front view of the present utility model
Fig. 3 is the vertical view of Fig. 2
Fig. 4 is the side view of Fig. 2
Among Fig. 1: it is power source that numerical control turntable adopts stepper motor, and stepper motor 16 is fixed on the bearing spider 2, by a pair of worm gear Secondary (worm gear 4 and worm screw 24) transmission realizes the rotation of panoramic table; Stepper motor 50 is fixed on the electric machine stand 20, passes through one by it To gear pair (gear 46 and gear 45) transmission, can make panoramic table around the center line automatic indexing. Clamping workpiece on panoramic table, if The former workbench of numerical control turntable and electric spark linear cutting machine is used, and workpiece just can be realized closing of a rotation, a movement Become motion, namely realize polar coordinates system of processing two-axis numerical control interlock processing, realize that just workpiece is mobile and around Z along X-axis (or Y-axis) Axle (or X-axis, Y-axis) rotates.
Among Fig. 2, Fig. 3, Fig. 4: 1 key, 2 bearing spiders (support), 3 deep groove ball bearings, 4 worm gears, 5 thrust ball bearings, 6 flutings The flush end holding screw, 7 workpiece, 8 keys, 9 felts, 10 single-row angular contact ball bearings, 11 axles, 12 spacers, 13 bearing (ball) covers, 14 6 The angle head bolt, 15 bearing spiders, 16 stepper motors, 17 adjust pad, 18 plain washers, 19 hexagon-headed bolts, 20 electric machine stands, 21 Adjust pad, 22 keys, 23 gears, 24 worm screws, 25 hexagon-headed bolts, 26 taper bolts, 27 bearing (ball) covers, 28 hexagon-headed bolts, 29 bearing (ball) covers, 30 adjusting sleeves, 31 single-row angular contact ball bearings, 32 felts, 33 directional bonds, 34 hexagon-headed bolts, 35 transition clamps Specifically, 37 axles, 38 felts, 39 bearing spiders, 40 dive keys, 41 screws, 42 hook-shaped bolts, 43 hex-head nut, 44 locks Tight disk, 45 general taper keys, 46 gears, 47 bearing (ball) covers, 48 bases, 49 fluting flush end holding screws, 50 stepper motors, 51 Bolt.
The specific embodiment
The revolution axial line of panoramic table is in vertical position among Fig. 2, Fig. 3 and Fig. 4.At this moment, the seam of worm gear (4) endoporus is used for workpiece (7) and positions, then with four fluting flush end holding screw (6) clamping work pieces.When the axial line of workpiece need be horizontal, panoramic table should be overturn 90 °, the opposite side by the dihedral base is installed on the platen.Transition clamp concrete (35) should be installed this moment, workpiece be positioned by its endoporus, with four flush end holding screws (36) of slotting from clamping work pieces radially.Transition clamp concrete (35) is connected with worm gear 4 by four hexagon-headed bolts 34 by end face and cylindrical and worm gear 4 maintenance trams.
Fixedlying connected with base (48) with four hexagon-headed bolts (25) by two taper bolts (26) in bearing spider (15) bottom, left side, fixedlys connected with base (48) with four hexagon-headed bolts by two taper bolts in right side bearing spider (39) bottom.Left side bearing (ball) cover (13) is fixing by four hexagon-headed bolts (14), adjusts the bearing clearance with adjusting pad (17), and right side bearing (ball) cover (47) is fixed by four hexagon-headed bolts, adjusts the bearing clearance with adjusting pad.About two single-row angular contact ball bearings (10) be used for supporting two semiaxis (11) and (37).Between axle (11) and the worm gear (4) is matched in clearance, transmits moment of torsion by key (8).Between axle (37) and the worm gear (4) is matched in clearance, transmits moment of torsion by key (1).Electric machine stand (20) is fixedlyed connected with base (48) with two hexagon-headed bolts by two taper bolts.Stepper motor (50) is determined relative position by external diameter and seam, and is fixedly connected by four bolts (51).The output shaft of stepper motor (50) is connected with key with gear (46), by fluting flush end holding screw (49) gear (46) is fixed on the output shaft of stepper motor (50).And gear (23) is connected on the axle (37) by key (45).When stepper motor (50) rotates, by gear pair (46) and (23) bearing spider (2) is passed in motion, make bearing spider (2) drive workpiece (7) swing, realize automatic indexing.Compress locking disk (44) by hook-shaped bolt (42) behind each calibration and realize self-locking behind the calibration.Dive key (40) is fixed on the axle (37) by screw (41), and locking disk (44) can endwisely slip along dive key (40), realizes locking the locking of disk (44) and separating.
Stepper motor (16) is fixed on the bearing spider (2) by external diameter and seam and four hexagon-headed bolts (19), keeps relative tram.The output shaft of stepper motor (16) is connected the transmission moment of torsion with worm screw (24) with key, and worm screw (24) is supported with two single-row angular contact ball bearings (31).Right side bearing (ball) cover (27) is fixed by four hexagon-headed bolts, adjusts the bearing clearance with adjusting pad, with felt (32) sealed bearing.When stepper motor (16) rotates, drive worm gear (4) by worm screw (24), realize the gyration of worm gear (4) and workpiece (7).It is 0.001 ° that this motion can reach pulse resolution.Worm gear (4) supports with a thrust ball bearing (5) and a deep groove ball bearing (3), and spacer (12) is used to realize the axial location of thrust ball bearing (5) and deep groove ball bearing (3).Bearing (ball) cover (29) is fixed on the bearing spider (2) by six hexagon-headed bolts (28).
When the bottom surface clamping of using base was on wire electrode cutting bench, the axial line of gyration was in the spatial vertical position, also can make the axial line inclination certain angle (± 0～30 °) of gyration by dividing movement.Use worm gear (4) clamping workpiece (7) this moment.
When the side clamping of using base was on wire electrode cutting bench, the axial line of gyration was horizontal, and also can make the axial line inclination certain angle (± 0～30 °) of gyration by dividing movement.At this moment with concrete (35) clamping workpiece of transition clamp.
Claims (4)
1. convertible automatic indexing numerical control turntable, it is characterized in that being installed on the high-speed wire electrical discharge machine tool workbench, be used for clamping workpiece, workpiece can utilize cylindrical and end face to be installed in the worm gear, also can be on worm gear by the concrete clamping of transition clamp, transition clamp specifically is with cylindrical and end face location, be fastened on the worm gear by four hexagon-headed bolts, convertible automatic indexing numerical control turntable base is an angular support frame, can utilize two mutually perpendicular bottom surfaces and side clamping respectively on wire electrode cutting bench, upset is used, and after the automatic indexing, can realize self-locking.
2. a kind of convertible automatic indexing numerical control turntable according to claim 1, it is characterized in that adopting first stepper motor is power source, by a pair of worm gear transmission, realizes the gyration of worm gear; Clamping workpiece is promptly realized the gyration of workpiece in worm gear, pulse resolution is: 0.001 °/pulse.
3. a kind of convertible automatic indexing numerical control turntable according to claim 1, it is characterized in that with another stepper motor be power source, drive a pair of gear pair transmission by it, connect by key, drive a semiaxis and rotate, bearing spider connects with key between the semiaxis therewith, the other end of bearing spider is supported on another root semiaxis, worm gear is installed in the bearing spider by a deep groove ball bearing and a thrust ball bearing, clamping workpiece in worm gear, thereby make the automatic indexing of workpiece.
4. a kind of convertible automatic indexing numerical control turntable according to claim 1 is characterized in that on a semiaxis locking disk being installed, and compresses the locking disk by hook-shaped bolt behind each calibration and realizes self-locking behind the calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200912549U CN201338194Y (en) | 2008-10-31 | 2008-10-31 | Numerical control turn table for turn-over type automatic indexing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200912549U CN201338194Y (en) | 2008-10-31 | 2008-10-31 | Numerical control turn table for turn-over type automatic indexing |
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| Publication Number | Publication Date |
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| CN201338194Y true CN201338194Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200912549U Expired - Fee Related CN201338194Y (en) | 2008-10-31 | 2008-10-31 | Numerical control turn table for turn-over type automatic indexing |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954585A (en) * | 2010-05-28 | 2011-01-26 | 徐州圣邦机械有限公司 | Overturning device for assembling hoist roller speed reducer assembly |
| CN102554631A (en) * | 2010-12-10 | 2012-07-11 | 张勇毅 | Combined fixture integrated platform |
| CN102717133A (en) * | 2012-05-24 | 2012-10-10 | 群基精密工业(苏州)有限公司 | Five-shaft moving-column-type numerically controlled milling machine |
| CN103143961A (en) * | 2013-03-11 | 2013-06-12 | 钱汝玉 | Angle adjusting and clamping method for milling jig |
| CN103894850A (en) * | 2014-03-20 | 2014-07-02 | 成都极点精密模具有限公司 | Automatic turning clamp saving space |
| CN104493364A (en) * | 2014-09-26 | 2015-04-08 | 王毅 | Profiling laser engraving machine and 3D laser engraving method |
| CN105033965A (en) * | 2015-08-11 | 2015-11-11 | 大连华工创新科技股份有限公司 | Swinging worktable |
| CN105414998A (en) * | 2015-12-04 | 2016-03-23 | 刘操 | Multifunctional rotary workbench |
| CN105423077A (en) * | 2015-12-15 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Vertical shaft system of precise rotary table |
| CN105459045A (en) * | 2014-09-05 | 2016-04-06 | 高明铁企业股份有限公司 | Magnetic attracting positioning type rotary platform |
| CN105479190A (en) * | 2015-12-04 | 2016-04-13 | 刘操 | Double-stage control type rotating worktable with worms and gears |
| TWI595959B (en) * | 2015-10-29 | 2017-08-21 | Combination of direct drive indexing disc structure | |
| CN107363565A (en) * | 2015-12-04 | 2017-11-21 | 刘操 | A kind of twin-stage regulates and controls high-precision rotary working-table |
| CN110549222A (en) * | 2018-06-01 | 2019-12-10 | 成都与俱科技有限公司 | Multi-axis linkage cutting equipment and application thereof |
| CN112705804A (en) * | 2020-11-20 | 2021-04-27 | 宁波大学 | Electric machining method for large-taper workpiece |
| CN113399768A (en) * | 2021-07-30 | 2021-09-17 | 重庆华渝电气集团有限公司 | Rotary cutting tool for wire-electrode cutting parts |
| CN113798594A (en) * | 2021-09-17 | 2021-12-17 | 杨威房 | Numerical control machine tool machining center |
| RU2768319C1 (en) * | 2021-02-25 | 2022-03-23 | Общество с ограниченной ответственностью "Торгово-производственная компания ЛЕГАТО" (ООО "ТПК ЛЕГАТО") | Device for clamping processed workpieces on metal cutting machines |
-
2008
- 2008-10-31 CN CNU2008200912549U patent/CN201338194Y/en not_active Expired - Fee Related
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954585A (en) * | 2010-05-28 | 2011-01-26 | 徐州圣邦机械有限公司 | Overturning device for assembling hoist roller speed reducer assembly |
| CN101954585B (en) * | 2010-05-28 | 2013-01-09 | 徐州圣邦机械有限公司 | Overturning device for assembling hoist roller speed reducer assembly |
| CN102554631A (en) * | 2010-12-10 | 2012-07-11 | 张勇毅 | Combined fixture integrated platform |
| CN102554631B (en) * | 2010-12-10 | 2014-01-15 | 张勇毅 | Combined fixture integrated platform |
| CN102717133A (en) * | 2012-05-24 | 2012-10-10 | 群基精密工业(苏州)有限公司 | Five-shaft moving-column-type numerically controlled milling machine |
| CN102717133B (en) * | 2012-05-24 | 2013-09-18 | 群基精密工业(苏州)有限公司 | Five-shaft moving-column-type numerically controlled milling machine |
| CN103143961A (en) * | 2013-03-11 | 2013-06-12 | 钱汝玉 | Angle adjusting and clamping method for milling jig |
| CN103894850A (en) * | 2014-03-20 | 2014-07-02 | 成都极点精密模具有限公司 | Automatic turning clamp saving space |
| CN103894850B (en) * | 2014-03-20 | 2016-05-11 | 成都极点精密模具有限公司 | A kind of spatial automatic overturning clamping apparatus of saving |
| CN105459045A (en) * | 2014-09-05 | 2016-04-06 | 高明铁企业股份有限公司 | Magnetic attracting positioning type rotary platform |
| CN104493364A (en) * | 2014-09-26 | 2015-04-08 | 王毅 | Profiling laser engraving machine and 3D laser engraving method |
| CN105033965A (en) * | 2015-08-11 | 2015-11-11 | 大连华工创新科技股份有限公司 | Swinging worktable |
| TWI595959B (en) * | 2015-10-29 | 2017-08-21 | Combination of direct drive indexing disc structure | |
| CN105414998B (en) * | 2015-12-04 | 2018-03-16 | 金华极合环保技术咨询有限公司 | A kind of multi-funciton rotating table |
| CN105479190A (en) * | 2015-12-04 | 2016-04-13 | 刘操 | Double-stage control type rotating worktable with worms and gears |
| CN107363565A (en) * | 2015-12-04 | 2017-11-21 | 刘操 | A kind of twin-stage regulates and controls high-precision rotary working-table |
| CN107363566A (en) * | 2015-12-04 | 2017-11-21 | 刘操 | A kind of multi-funciton rotating table |
| CN105414998A (en) * | 2015-12-04 | 2016-03-23 | 刘操 | Multifunctional rotary workbench |
| CN105423077A (en) * | 2015-12-15 | 2016-03-23 | 中国科学院西安光学精密机械研究所 | Vertical shaft system of precise rotary table |
| CN110549222A (en) * | 2018-06-01 | 2019-12-10 | 成都与俱科技有限公司 | Multi-axis linkage cutting equipment and application thereof |
| CN112705804A (en) * | 2020-11-20 | 2021-04-27 | 宁波大学 | Electric machining method for large-taper workpiece |
| CN112705804B (en) * | 2020-11-20 | 2022-05-27 | 宁波大学 | Electric machining method for large-taper workpiece |
| RU2768319C1 (en) * | 2021-02-25 | 2022-03-23 | Общество с ограниченной ответственностью "Торгово-производственная компания ЛЕГАТО" (ООО "ТПК ЛЕГАТО") | Device for clamping processed workpieces on metal cutting machines |
| CN113399768A (en) * | 2021-07-30 | 2021-09-17 | 重庆华渝电气集团有限公司 | Rotary cutting tool for wire-electrode cutting parts |
| CN113399768B (en) * | 2021-07-30 | 2024-06-04 | 重庆华渝电气集团有限公司 | Rotary cutting tool for wire cutting part |
| CN113798594A (en) * | 2021-09-17 | 2021-12-17 | 杨威房 | Numerical control machine tool machining center |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20111031 |