CN201350509Y - Precise internal and external sphere lathe with revolving table - Google Patents
Precise internal and external sphere lathe with revolving table Download PDFInfo
- Publication number
- CN201350509Y CN201350509Y CNU2009200678052U CN200920067805U CN201350509Y CN 201350509 Y CN201350509 Y CN 201350509Y CN U2009200678052 U CNU2009200678052 U CN U2009200678052U CN 200920067805 U CN200920067805 U CN 200920067805U CN 201350509 Y CN201350509 Y CN 201350509Y
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- rotary table
- lathe
- round guide
- turntable
- numerical control
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- 230000009467 reduction Effects 0.000 claims abstract description 8
- 238000007514 turning Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
一种带有回转工作台的精密内、外球面车床，它包含床身、主轴、电机、丝杆、大拖板、中拖板、数控装置和回转工作台，该回转工作台由转台和底座组成，底座固定在所述中拖板上，底座的上端面设置有第一圆导轨；转台的下端面设置有与底座的上端面的第一圆导轨相啮合的第二圆导轨，转台上设置有刀架槽，用于放置刀架，该转台通过一对内、外齿轮与减速箱连接，减速箱与第一伺服电机连接；第一伺服电机通过电路与数控装置连接。本实用新型主要是用于精密球体零件的加工，如内、外球面类零件，可实现高精度的车削加工。
A precision internal and external spherical lathe with a rotary table, which includes a bed, a spindle, a motor, a screw, a large pallet, a middle pallet, a numerical control device, and a rotary table. The rotary table consists of a rotary table and a base The base is fixed on the middle carriage, the upper end of the base is provided with a first circular guide rail; the lower end of the turntable is provided with a second circular guide meshing with the first circular guide on the upper end of the base, and the turntable is provided with There is a tool holder slot for placing the tool holder. The turntable is connected to the reduction box through a pair of internal and external gears, and the reduction box is connected to the first servo motor; the first servo motor is connected to the numerical control device through a circuit. The utility model is mainly used for processing precision spherical parts, such as inner and outer spherical parts, and can realize high-precision turning processing.
Description
Technical field
The utility model relates to the Machining Technology field, relates to a kind of accurate internal and external spherical surfaces lathe that has rotary table specifically.
Background technology
At present, a lot of machining enterprises are when turning processing spherical surface body part, still be to use manual or automanual lathe, the use of this lathe, need rotate the horizontal slip with middle carriage of vertically moving that handwheel drives saddle with hand by the operator, make cutter carry out circular motion, this mode of fully carrying out real time operation with workman's feel and experience has proposed very high requirement to operator's technology, so easily because of the different operating operation of worker, the difference of feel and experience, cause the quality instability, can not go out spherical surface body accurately by car, the defect rate height has increased production cost.
Certainly, also there are a lot of enterprises to adopt Digit Control Machine Tool to come turning processing spherical surface body part, this lathe generally all is to adopt two-axis numerical control, the rotation that is main shaft is by computer control interlock, vertically move and the horizontal slip of middle carriage of saddle are controlled interlock by computer, adopt this lathe to improve turning processing spherical surface body part precision and efficient, but also there is further improved place in this lathe, the interpolation precision of its interlock far can not satisfy the requirement of high accuracy sphere body part; The circular runout of the main shaft conical surface in the main spindle box and the action of axial float are still bigger.
The utility model content
The utility model provides a kind of accurate internal and external spherical surfaces lathe that has rotary table, to solve existing deficiency in the prior art.
To achieve these goals, technical solution of the present utility model is as follows:
A kind of accurate internal and external spherical surfaces lathe that has rotary table, it comprises lathe bed, main shaft, motor, screw mandrel, saddle, middle carriage and numerical control device, it is characterized in that, and it also includes the single-revolution workbench; Described rotary table is made up of turntable and base; Described base is fixed on the described middle carriage, and the upper surface of described base is provided with first round guide; The lower surface of described turntable is provided with second round guide that is meshed with first round guide of the upper surface of base, and described turntable is provided with cutter saddle trough, and this turntable is connected with reduction box by a pair of inside and outside gear; Described reduction box is connected with first servomotor, and described first servomotor is connected with numerical control device by circuit.
Further, in the utility model, the section shape of described first round guide and second round guide is concavo-convex isosceles triangle.
Further, in the utility model, described first round guide and second round guide are the Fourth Ring round guide.
Further, in the utility model, described main shaft adopts high-precision numerically controlled lathe mechanical main shaft unit, and the near-end of this main axle unit is beated and is 0.001mm, and far-end 300mm beats at the place and is 0.005mm, and this main axle unit is directly driven through V belt by variable-frequency motor.
Further, in the utility model, the variable-frequency motor that is connected with described main shaft is connected with numerical control device by circuit; Second servomotor that is connected with described saddle is connected with numerical control device by circuit; The 3rd servomotor that is connected with described middle carriage is connected with numerical control device by circuit.
The beneficial effects of the utility model:
1. adopt high-precision rotary table to replace original electric driving tool post, the rotation circular arc of rotary table is exactly the feed route of knife, and this rotary table is also linked by computer control, adds from original two Shaft and NC Machining Test and dresses up three-axis numerical control, satisfies the requirement of high accuracy sphere body part.
2. adopt this many round guide ways of connecting between the turntable of rotary table and base, guarantee turntable steady, noiselessness in rotation process, and further improve machining accuracy.
3. because the running accuracy of main shaft plays very important effect in the use of lathe, in case the running accuracy of main shaft reduces, then the use value of lathe will reduce, so the utility model adopts the main axle unit of high-precision numerically controlled lathe machinery to replace original main spindle box, make its running accuracy higher.
4. big, moving of middle carriage drives by the precise ball screw pair by servomotor, and by computer control, linkage can reach higher precision.
The utility model mainly is the processing that is used for the precise sphere part, and as the turning processing of internal and external spherical surfaces, the utility model also can be used to the inside and outside circle of turning, plane and ditch, groove etc. simultaneously.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 omits the structural representation of numerical control device for the utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of rotary table of the present utility model;
Fig. 4 is the A place enlarged drawing among Fig. 3.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1 and 2, a kind of accurate internal and external spherical surfaces lathe that has rotary table, it comprises lathe bed 5, the left end of lathe bed 5 is that a model is the main axle unit 1 of the numerically controlled lathe machinery of JSC170-5-5/7.5, and the precision of the main spindle box that its ratio of precision is original is higher, and workpiece is installed on the front end 2 of this main axle unit 1 with special fixture, this main axle unit 1 has replaced original main spindle box, make its precision higher, its near-end is beated and is 0.001mm, and far-end 300mm beats at the place and is 0.005mm.Variable-frequency motor 10 is installed in the below of main axle unit 1, and main axle unit 1 is directly driven through V belt 11 by variable-frequency motor 10, and variable-frequency motor 10 is connected with numerical control device (not indicating) by circuit.In the present embodiment, the maximum speed of variable-frequency motor 10 is 5000r/min, and the through-hole diameter of main axle unit front end 2 is 37mm, and the hole taper of main axle unit front end 2 is MT5.The circular runout of main axle unit front end 2 and axial float have guaranteed the machining accuracy of part all less than 0.001mm.
Precise ball screw pair 6 is installed on lathe bed 5, vertically moving of saddle 7 is to drive nut 8 drives of the screw mandrel of this precise ball screw pair 6 by the precise ball screw pair by second servomotor 9, and this second servomotor 9 is connected with numerical control device by circuit.
The processing of spherical work-piece adds that by the rotation of workpiece the circular arc feed of knife forms the track of a sphere, just can process spherical shape.Reach the sphere of certain precision, not only require the running accuracy of workpiece and the rotating accuracy of knife, also must make the centre of gyration of knife consistent, and the centre of gyration of knife is reached by moving of saddle and middle carriage with the centre of sphere of spherical work-piece.Saddle of the present utility model and middle carriage can reach higher precision by computer control interlock, satisfy the processing request of part.
Because processing spherical work-piece, the feed that must be added circular arc by the rotation of workpiece could form spherical track, process spherical part, therefore in order to improve machining accuracy, the electric driving tool post that the utility model adopts single-revolution workbench 3 to replace on original lathe, the feed route of knife is exactly the rotation circular arc of rotary table.
Referring to Fig. 3 and 4, rotary table 3 is made up of turntable 14 and base 19, and base 19 is fixed on the middle carriage 4 by bolt 20, and the middle part of base 19 has hole 24, the upper surface of base 19 is provided with first round guide 22, and the section shape of this first round guide 22 is concavo-convex isosceles triangle.The lower surface of turntable 14 is provided with second round guide 23, and the section shape of this second round guide 23 is all concavo-convex isosceles triangle, and second round guide 23 is meshed with first round guide 22, and turntable 14 can realize that circle rotates by such circuit orbit.In this preferred embodiment, first round guide 22 on the base and second round guide 23 on the turntable are the Fourth Ring round guide.Adopt this many round guide ways of connecting between the turntable of rotary table 3 and base, guarantee that turntable remains high accuracy and steady, noiselessness in rotation process, and further improved machining accuracy.
The rotation of this rotary table and the rotation of main shaft are by computer control interlock.The change of the swing diameter of work of point of a knife in being installed in knife rest and workpiece cutting point changes the workpiece velocity of rotation by computer control servomotor, guarantees that the linear velocity of cutting point is constant, to guarantee the precision of workpiece processing.
The table top of rotary table of the present utility model is 74mm to the distance of the alignment of shafts, and the angle of revolution of rotary table is 360 degree.Use the precision of the sphere part of the utility model processing can reach " surface of sphere " and be 0.002mm (be on the sphere the jerk value of a bit relative centre of sphere arbitrarily be 0.002mm).
In addition, that the utility model also has is simple to operation, automaticity is high, but the characteristics of speed stepless time adjustment.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in the foregoing description and the specification is principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in the claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (5)
1. accurate internal and external spherical surfaces lathe that has rotary table, it comprises lathe bed, main shaft, motor, screw mandrel, saddle, middle carriage and numerical control device, it is characterized in that, and it also includes the single-revolution workbench; Described rotary table is made up of turntable and base; Described base is fixed on the described middle carriage, and the upper surface of described base is provided with first round guide; The lower surface of described turntable is provided with second round guide that is meshed with first round guide of the upper surface of base, and described turntable is provided with cutter saddle trough, and this turntable is connected with reduction box by a pair of inside and outside gear; Described reduction box is connected with first servomotor, and described first servomotor is connected with numerical control device by circuit.
2. the accurate internal and external spherical surfaces lathe that has rotary table according to claim 1 is characterized in that the section shape of described first round guide and second round guide is concavo-convex isosceles triangle.
3. the accurate internal and external spherical surfaces lathe that has rotary table according to claim 1 is characterized in that described first round guide and second round guide are the Fourth Ring round guide.
4. the accurate internal and external spherical surfaces lathe that has rotary table according to claim 1, it is characterized in that, described main shaft adopts high-precision numerically controlled lathe mechanical main shaft unit, the near-end of this main axle unit is beated and is 0.001mm, far-end 300mm beats at the place and is 0.005mm, and this main axle unit is directly driven through V belt by variable-frequency motor.
5. the accurate internal and external spherical surfaces lathe that has rotary table according to claim 1 is characterized in that the variable-frequency motor that is connected with described main shaft is connected with numerical control device by circuit; Second servomotor that is connected with described saddle is connected with numerical control device by circuit; The 3rd servomotor that is connected with described middle carriage is connected with numerical control device by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200678052U CN201350509Y (en) | 2009-02-17 | 2009-02-17 | Precise internal and external sphere lathe with revolving table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200678052U CN201350509Y (en) | 2009-02-17 | 2009-02-17 | Precise internal and external sphere lathe with revolving table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201350509Y true CN201350509Y (en) | 2009-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200678052U Expired - Lifetime CN201350509Y (en) | 2009-02-17 | 2009-02-17 | Precise internal and external sphere lathe with revolving table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201350509Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501226A (en) * | 2011-10-31 | 2012-06-20 | 西安理工大学 | Accurate rotation device for macro-micro driving deformation guide rail |
| CN103072025A (en) * | 2013-01-05 | 2013-05-01 | 昆山宾达精密配件有限公司 | Product arc surface machining machine |
-
2009
- 2009-02-17 CN CNU2009200678052U patent/CN201350509Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501226A (en) * | 2011-10-31 | 2012-06-20 | 西安理工大学 | Accurate rotation device for macro-micro driving deformation guide rail |
| CN102501226B (en) * | 2011-10-31 | 2014-02-19 | 西安理工大学 | A precision rotary device for deformed guide rails driven by macro and micro |
| CN103072025A (en) * | 2013-01-05 | 2013-05-01 | 昆山宾达精密配件有限公司 | Product arc surface machining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200136 Pudong New Area Jinqiao Road, Shanghai, No. 531 Patentee after: Shanghai Shimifu intelligent equipment Limited by Share Ltd Address before: 200136 Pudong New Area Jinqiao Road, Shanghai, No. 531 Patentee before: Shanghai Navigation Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091125 |