CN2143539Y - Combined system of worm envelope working machine tool - Google Patents
Combined system of worm envelope working machine tool Download PDFInfo
- Publication number
- CN2143539Y CN2143539Y CN 92242006 CN92242006U CN2143539Y CN 2143539 Y CN2143539 Y CN 2143539Y CN 92242006 CN92242006 CN 92242006 CN 92242006 U CN92242006 U CN 92242006U CN 2143539 Y CN2143539 Y CN 2143539Y
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- CN
- China
- Prior art keywords
- worm
- combined system
- platform
- machine tool
- tailstock
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a combined system of a worm envelope processing machine tool, which is a special machine tool for processing worms, belonging to the manufacture field of machine tools. The combined system of a worm envelope processing machine tool can process different curve-serrate worms, multi-head worms and big module threaded rods. The combined system of a worm envelope processing machine tool changes the situation of processing with the machine tool in the method of forming in the past. A main shaft (13), the shafts of top class of a tailstock (3), a processing worm (9), a screw rod (12), a spline rod (14) of the combined system of a worm envelope processing machine tool are all arranged in horizontal direction to form a combined system of complete machine horizontal type arrangement. The rotational speed of a machine head is high, and the machining program s controlled by a computer. Grating feed back is used to ensure the high accuracy of the distance between a cutter and the center of a workpiece. The utility model has the advantages of high work efficiency, high precision, broad dimension of processing site and convenient operation.
Description
The utility model belongs to lathe and makes the field, it is the special purpose machine tool that is used for worm screw processing, it comprises the worm screw of the different curve profiles of tooth of involute with generating processing, also can carry out the processing of multistart worm, as patent of invention: the worm screw described in the enveloping involute flank profile cylinder worm transmission (patent No., 891066314) is available machine tooling.
The prior art machining worm adopts lathe more, and machined into is a forming process, and promptly the profile of tooth of worm screw is to guarantee according to the shape of lathe tool, and what the shape face of lathe tool can not mill is very smart, and therefore, processed worm screw profile accuracy is relatively poor.Useful improved gear-hobbing machine machining worm, it is to add a tangential knife rest in the cutter installation place, processed worm screw is installed on this knife rest, and on the workbench of original placement workpiece to be machined, load onto cutter, the rotation of cutter, the rotation of processed worm screw and along the envelope processing (being generating processing) of self axial mobile formation worm screw profile of tooth, the gear-hobbing machine machining worm, the range of work is too narrow, the length of at first processed worm screw is subjected to the restriction of tangential hobhead structure, can not move too big, big again modulus worm need dispose large-sized cutterhead processing, because the advance and retreat cutter is subjected to the restriction of physical dimension, so can't carry out, there is the rotating speed of gear-hobbing machine low again, therefore working (machining) efficiency is not high, and the difficulty that is installed, and is awkward.
The purpose of this utility model is to eliminate above-mentioned shortcoming, processed worm screw is taked horizontal, the worm screw two ends are respectively by tailstock center and the top location of headstock, refuting dish with heart blocks, tailstock can vertically move 600 millimeters, the parts of tooth of processed worm screw can be grown to 760 millimeters, workbench is formed by three layers, upper strata rotation dress cutter, the middle level can horizontal mobile tool setting, and lower floor can move along the worm axis direction, and headstock all has main transmission, the divided teeth gear transmission, differential and four functions of feeding, complete machine adopts horizontal layout, form the combined system of worm screw envelope machining tool, because the rotating speed height of main shaft and system of processing, procedure is by computer control, adopt the grating feedback to guarantee the pinpoint accuracy of cutter and workpiece centre distance, so the working (machining) efficiency height, the machining accuracy height, the working position size is broad in addition, looking away is so card engaging workpiece is convenient.
The combined system front view of Fig. 1, worm screw envelope machining tool.
The combined system vertical view of Fig. 2, worm screw envelope machining tool.
Fig. 3, worm screw envelope machining tool combined system tool setting system diagram.
Fig. 4, worm screw envelope machining tool combined system kinematic scheme.
Fig. 5, heart are refuted the dish side view.
The utility model embodiment: (Fig. 1,2 show) this combined system is by support (1), headstock (2), tailstock (3), workbench (4) is formed, workbench (4) is divided into three layers: upper strata platform (5), middle level platform (6), lower floor's platform (7), cutter (8) is contained on the worm gear of upper strata platform (5), processed worm screw (9) is by the top location of the top and headstock (2) of tailstock (3), refuting (10) three on dish by heart blocks (Fig. 5 shows), do not interfere with top location, when transmitting moment of torsion and processed worm screw (9) relative motion does not take place again, tailstock (3) is driven by oil cylinder, top in the tailstock supported by bearing, by frictional rotation, upper strata platform (5) can drive cutter (8) and rotate, generating processing is carried out in the rotation of it and processed worm screw (9), middle level platform (6) can laterally move, guarantee centre-to-centre spacing in order to tool setting, after tool setting is finished, can be locked on lower floor's platform (7) by hydraulic cylinder, whole workbench (4) drives axial-movement along processed worm screw by the guide rail of lower floor's platform (7) by leading screw (12), main shaft (13) in the headstock (2) drives processed worm screw rotation, main shaft rotates by dividing toothed chain and differential chain to drive spline thick stick (14), driving leading screw (12) by feeding change gear box (15) again rotates, main shaft (13), the tail spindle of tailstock (3), processed worm screw (9), leading screw (12), spline thick stick (14) is the horizontal direction setting, forms the combined system of the horizontal layout of complete machine.
Tool setting system (Fig. 3 shows) on the workbench passes to nut seat (20) by stepper motor (16) through oblique wave decelerator (17), fast feed oil cylinder (18), ball-screw (19), nut seat is contained on the middle level platform (6) of workbench (4), the rotation of ball-screw is moved nut seat, thereby it is laterally mobile together with cutter to drive workbench, tool setting action fully.
The main transmission of headstock (Fig. 4 shows) drives main shaft (13) by AC frequency conversion stepless speed-regulating motor (21) through cog belt (22) and rotates.Divide the tooth transmission to pass to spline thick stick (14) through main shaft (13), gear train, differential gear train bag (23), divided teeth gear mechanism (24), spline thick stick (14) drives a pair of worm gear (27) rotation through the changement (25) of a pair of large helix angle roller gear or conical gear composition, and cutter is contained in and finishes the motion of branch tooth on the worm gear.Feed motion is to reach feeding change gear box (15) by the worm gear on the spline thick stick (14), passes to leading screw (12) through worm gear again, and workbench (4) is moved, and finishes feed motion.The feeding change gear box is provided with clutch in (15), and when the need rapid return, throw-out-of clutch is by the fast moving of fast speed motor (28) realization workbench.Differential gearing is to finish differential gearing by leading screw (12) through the worm gear (27) that differential hanging gear case (26), differential gear train bag (23), divided teeth gear mechanism (24), spline thick stick (14), changement (25) pass to workbench.
Facts have proved, the utility model range of work is wide, the parts of tooth of length of worm can be grown to 760 millimeters, and all available machine of worm screw of modulus worm, various curve profiles of tooth is processed with generating greatly, the machining accuracy height, efficient can reach about 85% when processed worm screw was turned round, and the productivity ratio height of this machine, be convenient to operation.
Claims (3)
1, a kind of combined system of worm screw envelope machining tool is by support (1), headstock (2), tailstock (3), workbench (4) is formed, it is characterized in that workbench (4) is divided into three layers: upper strata platform (5), middle level platform (6), lower floor's platform (7), cutter (8) is contained on the worm gear of upper strata platform (5), processed worm screw (9) is by the top location of the top and headstock (2) of tailstock (3), refuting (10) three on dish by heart blocks, tailstock (3) is driven by oil cylinder, top in the tailstock props up the breasting frictional rotation by bearing, upper strata platform (5) can drive cutter (8) and rotate, middle level platform (6) can laterally move, can be locked on lower floor's platform (7) by hydraulic cylinder, whole workbench (4) drives axial-movement along processed worm screw by the guide rail of lower floor's platform (7) by leading screw (12), main shaft (13) in the headstock (2) drives processed worm screw rotation, main shaft rotates by dividing toothed chain and differential chain to drive pattern chain thick stick (14), driving leading screw (12) by feeding change gear box (15) again rotates, main shaft (13), the tail spindle of tailstock (3), processed worm screw (9), leading screw (12), pattern chain thick stick (14) is the horizontal direction setting, forms the combined system of the horizontal layout of complete machine.
2, the combined system of lathe according to claim 1, it is characterized in that the tool setting system on the workbench passes to nut seat (20) by stepper motor (16) through oblique wave decelerator (17) fast feed oil cylinder (18), ball-screw (19), nut seat is contained on the middle level platform (6) of workbench (4).
3,, it is characterized in that pattern chain thick stick (14) drives a pair of worm gear (27) rotation through the changement (25) of a pair of large helix angle roller gear or conical gear composition according to the combined system of claim 1,2 described lathes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242006 CN2143539Y (en) | 1992-12-02 | 1992-12-02 | Combined system of worm envelope working machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242006 CN2143539Y (en) | 1992-12-02 | 1992-12-02 | Combined system of worm envelope working machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2143539Y true CN2143539Y (en) | 1993-10-13 |
Family
ID=33781922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92242006 Expired - Fee Related CN2143539Y (en) | 1992-12-02 | 1992-12-02 | Combined system of worm envelope working machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2143539Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478920A (en) * | 2016-02-03 | 2016-04-13 | 重庆工具厂有限责任公司 | Worm-gear razor machining lathe |
| CN109202107A (en) * | 2018-10-30 | 2019-01-15 | 西安法士特汽车传动有限公司 | A kind of Double Tops point positioning mechanism and its localization method with bearing |
-
1992
- 1992-12-02 CN CN 92242006 patent/CN2143539Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478920A (en) * | 2016-02-03 | 2016-04-13 | 重庆工具厂有限责任公司 | Worm-gear razor machining lathe |
| CN105478920B (en) * | 2016-02-03 | 2018-06-15 | 重庆工具厂有限责任公司 | A kind of worm gear razor machining tool |
| CN109202107A (en) * | 2018-10-30 | 2019-01-15 | 西安法士特汽车传动有限公司 | A kind of Double Tops point positioning mechanism and its localization method with bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |