CN202846170U - Locking swing head used for five-axis machine tool - Google Patents
Locking swing head used for five-axis machine tool Download PDFInfo
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- CN202846170U CN202846170U CN 201220421549 CN201220421549U CN202846170U CN 202846170 U CN202846170 U CN 202846170U CN 201220421549 CN201220421549 CN 201220421549 CN 201220421549 U CN201220421549 U CN 201220421549U CN 202846170 U CN202846170 U CN 202846170U
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- main shaft
- yaw
- worm
- swing head
- swing
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Abstract
The utility model discloses a locking swing head used for a five-axis machine tool. A box body is of an integrated structure. A motorized spindle is installed inside a main shaft box. A servo motor is placed on the rear portion at the upper end of right side of the swing head. Sealed covers are installed on both the left side and the right side of the swing head, and therefore components and parts in the interior of the swing head are enabled not to be affected by exterior greasy dirt, dust and other environment pollutions. A rotation encoder for carrying out closed-loop control is arranged inside the swing head, and therefore high precision of the swing of the swing head is achieved. A rotation shaft is locked through a hydraulic locking mechanism after the swing head swings to any angles, and dead axle machining function needed by plunging milling crafts is achieved. The limitation of the swing angles of the swing head is achieved by using of a sensor and a limiting switch. All pipelines pass through wire-passing holes in a pivot angle cutter head box body and the main shaft box body, and get out from the rear of the swing head into a machine tool wire-passing system and an electric cabinet in the exterior of the swing head. The locking swing head used for the five-axis machine tool is especially suitable for meeting requirements of machining titanium alloy, high temperature alloy and other difficult-to-machine materials with complicated surface and high-precision complements.
Description
Technical field
The utility model relates to a kind of locking yaw for five coordinate machines, belongs to technological equipment structural design and manufacturing technology field.
Background technology
In recent years, five coordinate machines can be realized the characteristics of complex-curved processing and forming with it, used more and more extensive at the high-end industry field such as Aeronautics and Astronautics, navigation; Be mainly used in processing and have complex-curved high-precision part, such as the blade in the aircraft industry, leaf dish, impeller class part.Five coordinate machining tools are on standard three-dimensional (rectilinear coordinates) lathe, and the revolution reference axis in main shaft or two interlocks of workbench increase realizes five-shaft interlock function.And being three-dimensional lathe or 4-coordinate lathe, the yaw with spindle swing function upgrades to one of key feature of five coordinate machines.Because five coordinate machines are at present multiplex in difficult-to-machine material Complex Surface Parts such as machining titanium alloy, high temperature alloys, so require yaw should have high accuracy, high pulling torque, high rigidity, the characteristics of pivot angle on a large scale, some processing technology is locked after also requiring yaw can swing to certain angle as inserting to mill, and realizes dead axle processing.
Disclose the high rigidity yaw with big swing angle scope among the patent 201010610971.X, by band muscle floor motor cabinet servomotor has been fixed in the left box body inner chamber; Electricity main shaft pipeline is picked out by the rear end, picks out after by yaw from the cable hole of right case by rotary main shaft case, encoder installation shaft centre bore, annular drag chain carriage center hole, RBR drag chain; Ring distributor inside is provided with the multichannel oil-gas hole, and entrance links to each other with the oil outer source of the gas by each input extension tube attached respectively, and rotary main shaft case inside also has the DLT oil-gas hole, and corresponding with the oil-gas hole of ring distributor inside.The yaw of this invention be owing to can dismantle on one side, thus integral rigidity a little less than; In addition, the locking of not mentioned yaw in this patent of invention relies on the turbine and worm reverse self-locking will reduce structure service life if place an order in high pulling torque dead axle condition of work.
Summary of the invention
Deficiency for avoiding prior art to exist the utility model proposes a kind of locking yaw for five coordinate machines.Yaw has that precision is high, high pulling torque, high rigidity, the characteristics that hunting range is large, and can yaw swing to arbitrarily angled after with rotating shaft locking, realize inserting and mill the required dead axle machining functions of class technique.
The technical scheme that its technical problem that solves the utility model adopts is: comprise pivot angle milling head casing, main spindle box, the electricity main shaft, left main shaft, right main shaft, servomotor, electrical machine belt pulley, double pitch worm, synchronous pulley, synchronous belt with trapezoid teeth, stop tight, the tight sheet of stopping, brake tight ring, gland, the second turntable bearing, the first turntable bearing, worm couple, the first expansion sleeve, encoder, the electricity main shaft is installed in main spindle box inside, left main shaft, right main shaft is positioned at the main spindle box both sides, left main shaft, right main shaft is respectively by the second turntable bearing, the first turntable bearing is connected in the both sides of pivot angle milling head casing; Servomotor is positioned at pivot angle milling head casing right side, servomotor output shaft end mounted motor belt wheel, and synchronous pulley is installed in the upper end of double pitch worm, and synchronous belt with trapezoid teeth is connected with electrical machine belt pulley, synchronous pulley; The tight seat of stopping is positioned at pivot angle milling head casing left side, and stop tight sheet and left main shaft are threaded connection, and brake tight ring is threaded connection in gland, forms hydraulic fluid chamber between brake tight ring and the gland; Worm couple and right main shaft are connected by screw, and worm gear set is outside at right main shaft.
Described double pitch worm is fixedly mounted on box house, and the double pitch worm upper end is connected by the first expansion sleeve and synchronous pulley; The first thrust ball bearing, cover, worm screw end cap restriction double pitch worm move downward along axis, and pad, the second thrust ball bearing, the first nut, the second nut restriction double pitch worm move upward along axis; The radial motion of worm set, the first needle bearing, the second needle bearing restriction double pitch worm.
Described encoder is connected with pivot angle milling head casing by the right side end cap, and connecting axle rotates with the swing of yaw, and encoder detects the angle that connecting axle turns over, and detects in real time the main shaft swash angle position, carries out closed-loop control.
The electricity main shaft swings with main spindle box, and yaw swings for upwards swinging 30 °, to 120 ° of lower swings; Sensor is connected with gland by support, and limit switch is connected with left main shaft, and yaw upwards swings 30 ° or during to 120 ° of lower swings, sensor aligns with limit switch, sensor transmits signals to digital control system, and digital control system is sent signal, and yaw stops swinging rotating shaft is locked.
Beneficial effect
The utility model is used for the locking yaw of five coordinate machines, casing is an overall structure, and electric main shaft is installed in the main spindle box, and servomotor is positioned at yaw right side upper rear, seal closure is installed in the yaw left and right sides, makes the yaw inner components not be subjected to the impact of the environment such as outside greasy dirt, dust; Carry out closed-loop control by in yaw inside rotary encoder being set, realize the high accuracy that yaw swings; By appropriate design basic components, support component, drive disk assembly, realize the high rigidity of yaw; By hydraulic locking mechanism, yaw swing to arbitrarily angled after with rotating shaft locking, realize inserting the required dead axle machining functions of miller skill; By the use of sensor and limit switch, realize the restriction of the pendulum angle of yaw; All pipelines pick out from the yaw rear by the cable hole of pivot angle milling head casing and main spindle box body, and the lathe that enters the yaw outside is walked wire system and regulator cubicle.
The utility model is specially adapted to the demand of the difficult-to-machine material complex profile high-precision parts such as machining titanium alloy, high temperature alloy.
Description of drawings
Below in conjunction with drawings and embodiments a kind of locking yaw for five coordinate machines of the utility model is described in further detail.
Fig. 1 is the stereogram of the utility model locking yaw.
Fig. 2 is the front view of the utility model locking yaw.
Fig. 3 is the B-B cutaway view of the utility model locking yaw.
Fig. 4 is the A-A cutaway view of the utility model locking yaw.
Fig. 5 is limit sensors H-H cutaway view.
Fig. 6 is main spindle box stereogram of the present utility model.
Among the figure:
1. pivot angle milling head casing, 2. electric main shaft cover, 3. right side sealing cover, 4. right side end cap, 5. the first rotary seal ring 6. covers, 7. connecting axle, 8. encoder, 9. right main shaft, 10. worm couple, 11. the first turntable bearing 12. second rotary seal rings, 13. the first inner end cap, 14. main spindle box, 15. left main shaft, 16. the second turntable bearing 17. rotary seal rings, the tight sheet 18. stop, 19. left side sealing cover, 20. support, 21. sensor, 22. limit switch 23. baffle plates, 24. brake tight ring, 25. gland, the tight seat 26. stop, 27. holding screw, 28. gap adjustment block 29. motor cabinets, 30. synchronous pulley, 31. the first expansion sleeve, 32. synchronous belt with trapezoid teeth, 33. electrical machine belt pulley 34. second expansion sleeves, 35. double pitch worm, 36. the first thrust ball bearing, 37. cover, 38. adjusting pad 39. worm screw end caps, 40. the first nut, 41. the second nut, 42. the second thrust ball bearing, 43. pad 44. servomotors, 45. electric main shaft, 46. the second inner end cap, 47. worm set, 48. the first needle bearing 49. second needle bearings
The specific embodiment
The present embodiment is a kind of locking yaw for five coordinate machines, is the Core Feature parts of five coordinate machines; Have the advantages that high accuracy, high pulling torque, high rigidity can be locked.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 6, the electric main shaft 45 of the locking yaw of five coordinate machines is installed in main spindle box 14 inside, the end face of electricity main shaft 45 end face flanges and main spindle box 14 is connected by screw, and the radial end face of electric main shaft 45 cooperates the location with the anchor ring of main spindle box 14 inner rear ends; Need first the second inner end cap 46, the first inner end cap 13 to be installed in respectively the left and right sides of pivot angle milling head casing 1 during assembling, again right main shaft 9 and the first turntable bearing 11 are linked together, again right main shaft 9 is packed in the pivot angle milling head casing 1 right side circular hole, right main shaft 9 is linked together with main spindle box 14, and the first turntable bearing 11 links together with pivot angle milling head casing 1; Left main shaft 15 is packed in the pivot angle milling head casing 1 left side circular hole, and left main shaft 15 links together with main spindle box 14, and the second turntable bearing 16 is connected with left main shaft 15, pivot angle milling head casing 1 respectively; Then other parts of packing into; At last left seal closure 19, right seal closure 3 are installed in respectively the left and right sides of pivot angle milling head casing 1.
Referring to Fig. 3, Fig. 4, worm couple 10 is connected with right main shaft 9, and worm gear is bolted and is enclosed within right main shaft outer end; Double pitch worm 35 is installed in pivot angle milling head casing 1 inside, and the upper end of double pitch worm 35 is connected with synchronous pulley 30 by the first expansion sleeve 31; Motor cabinet 29 is connected with pivot angle milling head casing 1; Servomotor 44 is connected with motor cabinet 29; The axle head of servomotor 44 is connected with electrical machine belt pulley 33 by the second expansion sleeve 34; Synchronous belt with trapezoid teeth 32 and electrical machine belt pulley 33, synchronous pulley 30 engagements; Gap adjustment block 28 is connected on the pivot angle milling head casing 1, and holding screw 27 is installed on the gap adjustment block 28 and its end pushing tow motor cabinet 29; By adjusting holding screw 27, motor cabinet 29 is moved to the right thruster of Fig. 3, and then make synchronous belt with trapezoid teeth 32 swellings.When yaw swung, servomotor 44 drove double pitch worm 35 by synchronous belt with trapezoid teeth 32 and rotates, and double pitch worm 35 drives worm gear 10 and rotates, and right main shaft 9 is rotated, and then yaw is swung.
As shown in Figure 3, lid 6 is connected with the right-hand member of right main shaft 9, connecting axle 7 with cover 6 and be connected, connecting axle 7 rotates along with the swing of yaw; Right side end cap 4 is connected with pivot angle milling head casing 1, and encoder 8 is connected with right side end cap 4.When yaw swung, encoder 8 detected the angle that connecting axle 7 turns over, and namely detects in real time the main shaft swash angle position, carries out closed-loop control, thereby improved positioning accuracy and the repeatable accuracy of yaw.
As shown in Figure 4, the first thrust ball bearing 36, cover 37, worm screw end cap 39 restriction double pitch worm 35 move downward along axis; Pad the 43, second thrust ball bearing 42, nut 1, nut 2 41 restriction double pitch worms 35 move upward along axis; The radial motion of worm set 47, the first needle bearing 48, the second needle bearing 49 restriction double pitch worms 35.Behind the yaw long-play, double pitch worm 35 can wear and tear, by adjusting the thickness of the adjusting pad 38 between pivot angle milling head casing 1 and the worm screw end cap 39, change double pitch worm 35 in the position of axis direction, change the position of double pitch worm 35 and worm gear 10 engagements, and then reduce worm gear worm backlash.
As shown in Figure 3, the tight seat 26 stopped is connected with pivot angle milling head casing 1, and stop tight sheet 18 and left main shaft 15 are connected with gland and are connected, and brake tight ring 24 is connected with gland 25, brake tight ring 24, gland 25 equal transfixions, and the tight sheet 18 of stopping is with left main shaft 15 rotations.After yaw swings to specified angle, pass into hydraulic oil from the fuel feed hole of gland 25 to the cavity of brake tight ring 24 and gland 25 formation, hydraulic oil deforms the thin-walled portion of brake tight ring 24, pushes the tight sheet 18 of stopping, produce moment of friction, rely on moment of friction that yaw is locked at fixed angle.
As shown in Figure 2, take the main shaft level as zero point, the yaw hunting range is for upwards swinging 30 °, and to 120 ° of lower swings, electric main shaft swings with main spindle box.Such as Fig. 3, shown in Figure 5, support 20 is connected with gland 25, and sensor 21 is connected with support 20, sensor 21 transfixions; Limit switch 22 is connected with left main shaft 15, with left main shaft 15 rotations.When yaw upwards swings 30 ° or during to 120 ° of lower swings, sensor 21 aligns with limit switch 22, and this moment, sensor 21 transmitted signals in the digital control system, and digital control system is sent the signal that stops swinging, yaw stops swinging, and realizes the restriction of yaw hunting range.
The electric main shaft 45 required external pipelines that yaw is installed comprise that cutter cooling fluid pipeline, motor cooling fluid pipeline, cutter unclamp clamping hydraulic pipeline, electric main shaft sealing air pipe line, electric main shaft power line, electric main shaft holding wire, and all pipelines are installed in electric rear-end of spindle.Such as Fig. 3, shown in Figure 6, left main shaft 15 is hollow shafts, and there are two semi-circular hole in main spindle box 14 left sides; Pipeline enters from the left side of left main shaft, enters main spindle box 14 by semicircle orifice, enters into the rear end of main spindle box along the incline of main spindle box 14, is connected with the interface of electric main shaft 45.Baffle plate 23 is connected with left main shaft 15, and baffle plate can prevent effectively that pipeline and left main shaft 15 are intertwined when yaw swings.All pipelines pick out from the yaw rear by the cable hole of pivot angle milling head casing 1, and the lathe that enters the yaw outside is walked wire system and regulator cubicle.At last left seal closure 19, right seal closure 3 are installed on the pivot angle milling head casing 1.
Claims (4)
1. locking yaw that is used for five coordinate machines, it is characterized in that: comprise pivot angle milling head casing, main spindle box, the electricity main shaft, left main shaft, right main shaft, servomotor, electrical machine belt pulley, double pitch worm, synchronous pulley, synchronous belt with trapezoid teeth, stop tight, the tight sheet of stopping, brake tight ring, gland, the second turntable bearing, the first turntable bearing, worm couple, the first expansion sleeve, encoder, the electricity main shaft is installed in main spindle box inside, left main shaft, right main shaft is positioned at the main spindle box both sides, left main shaft, right main shaft is respectively by the second turntable bearing, the first turntable bearing is connected in the both sides of pivot angle milling head casing; Servomotor is positioned at pivot angle milling head casing right side, servomotor output shaft end mounted motor belt wheel, and synchronous pulley is installed in the upper end of double pitch worm, and synchronous belt with trapezoid teeth is connected with electrical machine belt pulley, synchronous pulley; The tight seat of stopping is positioned at pivot angle milling head casing left side, and stop tight sheet and left main shaft are threaded connection, and brake tight ring is threaded connection in gland, forms hydraulic fluid chamber between brake tight ring and the gland; Worm couple and right main shaft are connected by screw, and worm gear set is outside at right main shaft.
2. a kind of locking yaw for five coordinate machines according to claim 1, it is characterized in that: described double pitch worm is fixedly mounted on box house, and the double pitch worm upper end is connected by the first expansion sleeve and synchronous pulley; The first thrust ball bearing, cover, worm screw end cap restriction double pitch worm move downward along axis, and pad, the second thrust ball bearing, the first nut, the second nut restriction double pitch worm move upward along axis; The radial motion of worm set, the first needle bearing, the second needle bearing restriction double pitch worm.
3. a kind of locking yaw for five coordinate machines according to claim 1, it is characterized in that: described encoder is connected with pivot angle milling head casing by the right side end cap, connecting axle rotates with the swing of yaw, encoder detects the angle that connecting axle turns over, detect in real time the main shaft swash angle position, carry out closed-loop control.
4. a kind of locking yaw for five coordinate machines according to claim 1, it is characterized in that: described electric main shaft swings with main spindle box, and yaw swings for upwards swinging 30 °, to 120 ° of lower swings; Sensor is connected with gland by support, and limit switch is connected with left main shaft, and yaw upwards swings 30 ° or during to 120 ° of lower swings, sensor aligns with limit switch, sensor transmits signals to digital control system, and digital control system is sent signal, and yaw stops swinging rotating shaft is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421549 CN202846170U (en) | 2012-08-23 | 2012-08-23 | Locking swing head used for five-axis machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421549 CN202846170U (en) | 2012-08-23 | 2012-08-23 | Locking swing head used for five-axis machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN202846170U true CN202846170U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220421549 Expired - Fee Related CN202846170U (en) | 2012-08-23 | 2012-08-23 | Locking swing head used for five-axis machine tool |
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| Country | Link |
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| CN (1) | CN202846170U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785086A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Locking oscillating head for five-coordinate machine tool |
| CN110014220A (en) * | 2019-05-08 | 2019-07-16 | 湖南坤鼎数控科技有限公司 | A kind of planer-type two dimension friction stir welding machine |
| CN110039100A (en) * | 2018-01-17 | 2019-07-23 | 德特勒夫·格根斯 | Five axis milling heads |
| CN115255971A (en) * | 2022-06-30 | 2022-11-01 | 上海拓璞数控科技股份有限公司 | Machining center head swinging device suitable for difficult-to-machine materials |
-
2012
- 2012-08-23 CN CN 201220421549 patent/CN202846170U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785086A (en) * | 2012-08-23 | 2012-11-21 | 西北工业大学 | Locking oscillating head for five-coordinate machine tool |
| CN110039100A (en) * | 2018-01-17 | 2019-07-23 | 德特勒夫·格根斯 | Five axis milling heads |
| CN110014220A (en) * | 2019-05-08 | 2019-07-16 | 湖南坤鼎数控科技有限公司 | A kind of planer-type two dimension friction stir welding machine |
| CN110014220B (en) * | 2019-05-08 | 2021-03-12 | 湖南坤鼎数控科技有限公司 | Gantry type two-dimensional friction stir welding machine |
| CN115255971A (en) * | 2022-06-30 | 2022-11-01 | 上海拓璞数控科技股份有限公司 | Machining center head swinging device suitable for difficult-to-machine materials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20160823 |