CN203045321U - Static pressure working table for gear hobbing machine - Google Patents
Static pressure working table for gear hobbing machine Download PDFInfo
- Publication number
- CN203045321U CN203045321U CN 201220737210 CN201220737210U CN203045321U CN 203045321 U CN203045321 U CN 203045321U CN 201220737210 CN201220737210 CN 201220737210 CN 201220737210 U CN201220737210 U CN 201220737210U CN 203045321 U CN203045321 U CN 203045321U
- Authority
- CN
- China
- Prior art keywords
- static pressure
- gear
- worm
- centering
- worm screw
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a static pressure working table for a gear hobbing machine. The static pressure working table comprises a working table seat, a centering outer cone, a centering inner cone sleeve, a worm gear fixedly connected with the centering inner cone sleeve coaxially, a working table body fixed on the end face of the worm gear and a worm transmission mechanism matched with the worm gear. The centering outer cone, the centering inner cone sleeve, the worm gear, the working table body and the worm transmission mechanism are arranged on the working table seat. A first static pressure guiding track matched with the lower end face of the centering inner cone sleeve is arranged on the working table body. A second static pressure guiding track matched with the upper end face of the centering inner cone sleeve is arranged on the upper end face of the centering outer cone. According to the static pressure working table for the gear hobbing machine, the working table body is supported through a static pressure bearing structure, the rotating center of the working table body is located through a cone static pressure bearing structure, the static pressure bearing structure is good in rigidness, high in load bearing performance, not easy to damage and capable of meeting working requirements of the gear hobbing machine, highly-repeated rotating accuracy of the working table body is guaranteed, the working table can be free from maintaining for a long time, transmission clearance of a worm gear and worm transmission pair is removed through a damping worm, indexing accuracy is improved, and machining accuracy of a gear can be well improved.
Description
Technical field
The utility model relates to a kind of gear-hobbing machine, particularly a kind of workbench of gear-hobbing machine.
Background technology
Original gear hobbing machine worktable body all is to adopt taper seat bearing or rolling bearing to feel relieved, end face bearing bearing load, or rolling bearing centering, and the off-load bearing bears load.What bear because of the gear hobbing machine worktable body is to be interrupted periodic cutting load, and axial load is big, and its (heeling moment) disturbing moment that imposes on the work stage body is bigger.Guide pass precision and rigidity requirement to the centering of work stage body and bearing load are very high.General bearing is not long service life, needs often to safeguard the dismounting inconvenience.The also employing hydrostatic bearing that has is felt relieved or hydrostatic slideway, and its static pressure face is steel-steel, cast iron-cast iron, or the contact of stiff dough such as steel-cast iron, because of the reason of its processing and assembling, when being subjected to cutting load and disturbing moment, its static pressure face is easily pulled, and makes it produce vexed car.
The transmission of original gear hobbing machine worktable body generally all adopts single worm-gears to carry out the calibration transmission in addition, does not eliminate device and the link in gap, and its transmission accuracy is not high; And its worm screw adopts sliding bearing to support, and this sliding bearing gap is too small, easily pulls when bearing big load, causes the bearing clearance to increase, and the bearing rotating accuracy is not high, influences transmission accuracy.
The utility model content
In view of this, the purpose of this utility model provides a kind of gear-hobbing machine static pressure workbench, to solve problems such as bearing capacity difference that existing gear-hobbing machine exists with the work stage body and transmission accuracy are low.
The utility model gear-hobbing machine static pressure workbench comprises table rest, is arranged on the table rest and centering outer cone that the axial line position is fixing with respect to table rest, is enclosed within on the centering outer cone and with the centering female cone cover of its cone match, female cone overlaps coaxial fixedly connected worm gear, the worm gearing that is fixed on the work stage body on the worm gear end face and cooperates with worm gear with feeling relieved;
Described work stage body is provided with first hydrostatic slideway that cooperates with the female cone cover lower surface of feeling relieved, be provided with the first static pressure oil pocket between the mating surface of described centering female cone cover and first hydrostatic slideway, described first hydrostatic slideway is provided with first oil inlet passage and first oil discharge passage that is communicated with the first static pressure oil pocket;
Be provided with the second static pressure oil pocket between the cooperation conical surface of described centering outer cone and centering female cone cover, described centering female cone is provided with second oil inlet passage and second oil discharge passage that is communicated with the second static pressure oil pocket;
Described table rest or centering outer cone upper surface are provided with the female cone of feeling relieved and put second hydrostatic slideway that end face cooperates, be provided with the 3rd static pressure oil pocket between described centering female cone cover and the second hydrostatic slideway mating surface, described second hydrostatic slideway is provided with the 3rd oil inlet passage and the 3rd oil discharge passage that is communicated with the 3rd static pressure oil pocket.
Further, the outer conical surface of described centering outer cone upper end outside diameter is provided with first between the lower surface of centering outer cone and the table rest and regulates pad greater than the lower end outside diameter;
Further, described second hydrostatic slideway is provided with second between described second hydrostatic slideway and the centering outer cone upper surface and regulates pad by on the upper surface that is bolted to the centering outer cone;
Further, equal one is provided with wearing layer on described first hydrostatic slideway, second hydrostatic slideway and centering outer cone three and the face that centering female cone cover cooperates;
Further, described worm gear is the duplex worm gear, and described worm gearing comprises and cooperates the indexing worm that is used for control worm gear rotational angle with duplex worm gear first and cooperates the damping worm screw that is used for elimination indexing worm drive gap with duplex worm gear second;
Further, described worm gearing also comprises the worm screw supporting seat, the two ends of described damping worm screw are separately positioned on the worm screw supporting seat, and be provided with the 4th static pressure oil pocket between the mating surface of the two ends of damping worm screw and worm screw supporting seat, described worm screw supporting seat is provided with the 4th oil inlet passage and the 4th oil discharge passage that is communicated with the 4th static pressure oil pocket;
Further, the end of described damping worm screw is provided with it and upwards is rotatably assorted in week, and the piston of secure fit in the axial direction, described piston cooperates formation driving damping worm screw to move along its axis with the worm screw supporting seat cylinder structure;
Further, described cylinder structure is the two-way cylinder structure, described outside piston face is provided with annular boss, forms two oil pockets of two-way cylinder structure between the both ends of the surface of described annular boss and the worm screw supporting seat, and described worm screw supporting seat is provided with the oil duct that is communicated with oil pocket;
Further, described worm screw supporting seat and table rest are integral structure, and also are provided with the support flap that seals worm screw assembly cavity on it on the worm gear supporting seat;
Further, the middle part of described work stage body and table rest is provided with chip-removal hole, also is provided with the chip removal port lid on the described work stage body.
The beneficial effects of the utility model:
1, the utility model gear-hobbing machine static pressure workbench, it is by hydrostatic bearing support structure work stage body, and the centre of gyration by circular cone hydrostatic bearing structure positioning table body, the hydrostatic bearing structural rigidity is good, carrying greatly, not fragile, can satisfy the gear-hobbing machine job requirement, the height of assurance work stage body repeats rotating accuracy, and it is non-maintaining for a long time that workbench is made.
2, the utility model gear-hobbing machine static pressure workbench, drive in the worm gear rotating process at indexing worm, the driving face of its damping worm screw is given one on the worm gear thrust with the worm gear direction of rotation, the worm-drive face is remained with the indexing worm driving face to be contacted, thereby eliminated the drive gap of worm and gear transmission, improve indexing accuracy, be conducive to improve the Gear Processing precision.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of utility model gear-hobbing machine with the static pressure workbench;
Fig. 2 is A portion zoomed-in view among Fig. 1;
Fig. 3 is the axial cutaway view of damping worm screw portion;
Fig. 4 is B portion zoomed-in view among Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in the figure, present embodiment gear-hobbing machine static pressure workbench comprises table rest 1, is arranged on the table rest 1 and centering outer cone 2 that the axial line position is fixing with respect to table rest 1, is enclosed within on the centering outer cone 2 and with the centering female cone cover 3 of its cone match, female cone overlaps 3 coaxial fixedly connected worm gears 4, the worm gearing that is fixed on the work stage body 5 on worm gear 4 end faces and cooperates with worm gear 4 with feeling relieved;
Described work stage body 5 is provided with the female cone of feeling relieved and overlaps first hydrostatic slideway 6 that 2 lower surfaces cooperate, be provided with the first static pressure oil pocket 7 between the mating surface of described centering female cone cover 2 and first hydrostatic slideway 6, described first hydrostatic slideway 6 is provided with first oil inlet passage and first oil discharge passage that is communicated with the first static pressure oil pocket 7;
Be provided with the second static pressure oil pocket 8 between the cooperation conical surface of described centering outer cone 2 and centering female cone cover 3, described centering female cone 2 is provided with second oil inlet passage and second oil discharge passage that is communicated with the second static pressure oil pocket 8;
Described centering outer cone 2 upper surfaces are provided with the female cone of feeling relieved overlaps second hydrostatic slideway 9 that 3 upper surfaces cooperate, be provided with the 3rd static pressure oil pocket 10 between described centering female cone cover 3 and second hydrostatic slideway 9 mating surfaces, described second hydrostatic slideway 9 is provided with the 3rd oil inlet passage and the 3rd oil discharge passage that is communicated with the 3rd static pressure oil pocket 10.Certainly in different embodiments, but described second hydrostatic slideway 9 is also on the table rest 1.
Present embodiment gear-hobbing machine static pressure workbench, it is by hydrostatic bearing support structure work stage body 5, and the centre of gyration by circular cone hydrostatic bearing structure positioning table body 1, the hydrostatic bearing structural rigidity is good, carrying greatly, not fragile, can satisfy the gear-hobbing machine job requirement, the height of assurance work stage body 5 repeats rotating accuracy, and it is non-maintaining for a long time that workbench is made.
As the improvement to present embodiment, the outer conical surface upper end outside diameter of described centering outer cone 2 is greater than the lower end outside diameter, be provided with first between the lower surface of centering outer cone 2 and the table rest 1 and regulate pad 11, by regulating the height of the first adjusting pad 11, can adjust the height of the first static pressure oil pocket 7, thus the precision of the work of assurance stage body 5 gyrations.
As the improvement to present embodiment, described second hydrostatic slideway 9 is fixed on the upper surface of centering outer cone 2 by bolt 12, be provided with second between described second hydrostatic slideway 9 and centering outer cone 2 upper surfaces and regulate pad 12, by regulating the height of the second adjusting pad 12, can regulate 10 height of the 3rd static pressure oil pocket, thus the precision of the work of assurance stage body 5 gyrations.
As the improvement to present embodiment, equal one is provided with wearing layer on described first hydrostatic slideway 6, second hydrostatic slideway 9 and centering outer cone 2 threes and centering female cone cover 3 faces that cooperate, wearing layer does not draw among the figure, wearing layer can be made by polyurethane inner macromolecule material, and this structure is conducive to improve the life-span of hydrostatic bearing structure.
As the improvement to present embodiment, described worm gear 4 is the duplex worm gear, and described worm gearing comprises and cooperates the indexing worm 13 that is used for control worm gear rotational angle with duplex worm gear first and cooperates the damping worm screw 14 that is used for elimination indexing worm drive gap with duplex worm gear second.Drive in the first worm gear rotating process at indexing worm 13, the driving face of its damping worm screw 14 is given one on second worm gear thrust with the first worm gear direction of rotation, the first worm-drive face is remained with the indexing worm driving face to be contacted, thereby eliminated the drive gap of worm and gear transmission, improve indexing accuracy, be conducive to improve the Gear Processing precision.
As the improvement to present embodiment, described worm gearing also comprises worm screw supporting seat 15, the two ends of described damping worm screw 14 are separately positioned on the worm screw supporting seat 15, and be provided with the 4th static pressure oil pocket 16 between the mating surface of the two ends of damping worm screw 14 and worm screw supporting seat 15, described worm screw supporting seat 15 is provided with the 4th oil inlet passage and the 4th oil discharge passage that is communicated with the 4th static pressure oil pocket 16.By hydrostatic bearing support structure damping worm screw 14, supporting construction is just fixed, and can guarantee the high rotating accuracy of damping worm screw 14, and supporting construction can be non-maintaining for a long time.
As the improvement to present embodiment, the end of described damping worm screw 14 is provided with it and upwards is rotatably assorted in week, and the piston 17 of secure fit in the axial direction, described piston 17 is joined 15 with the worm screw supporting seat and is closed the cylinder structure that formation driving damping worm screw 14 moves along its axis, axial distance by cylinder structure control damping worm screw 14, realize regulating the resistance that 14 pairs of worm gears of damping worm screw apply, thereby reliably eliminate the worm and gear drive gap.Certainly in different embodiments, also can adopt control damping worm screw 14 to control the resistance that 14 pairs of worm gears of damping worm screw apply with the asynchronous rotation time difference of worm gear, can play the purpose of eliminating the worm and gear drive gap equally.
As the improvement to present embodiment, described cylinder structure is the two-way cylinder structure, described piston 17 peripheries are provided with annular boss, form two oil pockets 18 of two-way cylinder structure between the both ends of the surface of described annular boss and the worm screw supporting seat 15, described worm screw supporting seat 15 is provided with the oil duct 19 that is communicated with oil pocket 18.Cylinder structure is integrated on the worm screw supporting base 15, make the Working table structure concision and compact, the two-way cylinder structure can accurately be controlled the distance that damping worm screw 14 moves back and forth in the axial direction simultaneously, can guarantee can not impact the worm and gear transmission when eliminating the worm and gear drive gap.
As the improvement to present embodiment, described worm screw supporting seat 15 and table rest 1 are integral structure, and good rigidly can guarantee the worm and gear transmission accuracy when work stage body 5 bears big load; And also be provided with sealing support flap 20 of worm screw assembly cavity on it on the worm gear supporting seat 15, this structure can prevent that dust etc. from entering the transmission mating surface of worm and gear, can guarantee the transmission accuracy of worm and gear.
As the improvement to present embodiment, the middle part of described work stage body 5 and table rest 1 is provided with chip-removal hole 21, also be provided with chip removal port lid 22 on the described work stage body 1, when processing internal gear with holes, can pass through chip-removal hole 21 chip removals, keep the cleannes on work stage body 5 surfaces, when the gear of other structure of processing, by chip removal port lid 22 sealing chip-removal holes 21, impact adding the Ministry of worker.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. gear-hobbing machine static pressure workbench is characterized in that: comprise table rest, be arranged on the table rest and centering outer cone that the axial line position is fixing with respect to table rest, be enclosed within on the centering outer cone and with the centering female cone cover of its cone match, female cone overlaps coaxial fixedly connected worm gear, the worm gearing that is fixed on the work stage body on the worm gear end face and cooperates with worm gear with feeling relieved;
Described work stage body is provided with first hydrostatic slideway that cooperates with the female cone cover lower surface of feeling relieved, be provided with the first static pressure oil pocket between the mating surface of described centering female cone cover and first hydrostatic slideway, described first hydrostatic slideway is provided with first oil inlet passage and first oil discharge passage that is communicated with the first static pressure oil pocket;
Be provided with the second static pressure oil pocket between the cooperation conical surface of described centering outer cone and centering female cone cover, described centering female cone is provided with second oil inlet passage and second oil discharge passage that is communicated with the second static pressure oil pocket;
Described table rest or centering outer cone upper surface are provided with the female cone of feeling relieved and put second hydrostatic slideway that end face cooperates, be provided with the 3rd static pressure oil pocket between described centering female cone cover and the second hydrostatic slideway mating surface, described second hydrostatic slideway is provided with the 3rd oil inlet passage and the 3rd oil discharge passage that is communicated with the 3rd static pressure oil pocket.
2. gear-hobbing machine according to claim 1 static pressure workbench is characterized in that: the outer conical surface upper end outside diameter of described centering outer cone is provided with first between the lower surface of centering outer cone and the table rest and regulates pad greater than the lower end outside diameter.
3. gear-hobbing machine according to claim 2 static pressure workbench, it is characterized in that: described second hydrostatic slideway is provided with second between described second hydrostatic slideway and the centering outer cone upper surface and regulates pad by on the upper surface that is bolted to the centering outer cone.
4. gear-hobbing machine according to claim 1 static pressure workbench is characterized in that: equal one is provided with wearing layer on described first hydrostatic slideway, second hydrostatic slideway and centering outer cone three and the face that centering female cone cover cooperates.
5. gear-hobbing machine according to claim 1 static pressure workbench, it is characterized in that: described worm gear is the duplex worm gear, and described worm gearing comprises and cooperates the indexing worm that is used for control worm gear rotational angle with duplex worm gear first and cooperates the damping worm screw that is used for elimination indexing worm drive gap with duplex worm gear second.
6. gear-hobbing machine according to claim 5 static pressure workbench, it is characterized in that: described worm gearing also comprises the worm screw supporting seat, the two ends of described damping worm screw are separately positioned on the worm screw supporting seat, and be provided with the 4th static pressure oil pocket between the mating surface of the two ends of damping worm screw and worm screw supporting seat, described worm screw supporting seat is provided with the 4th oil inlet passage and the 4th oil discharge passage that is communicated with the 4th static pressure oil pocket.
7. gear-hobbing machine according to claim 6 static pressure workbench, it is characterized in that: the end of described damping worm screw is provided with it and upwards is rotatably assorted in week, and the piston of secure fit in the axial direction, described piston cooperates formation driving damping worm screw to move along its axis with the worm screw supporting seat cylinder structure.
8. gear-hobbing machine according to claim 7 static pressure workbench, it is characterized in that: described cylinder structure is the two-way cylinder structure, described outside piston face is provided with annular boss, form two oil pockets of two-way cylinder structure between the both ends of the surface of described annular boss and the worm screw supporting seat, described worm screw supporting seat is provided with the oil duct that is communicated with oil pocket.
9. gear-hobbing machine according to claim 8 static pressure workbench, it is characterized in that: described worm screw supporting seat and table rest are integral structure, and also are provided with the support flap of sealing worm screw assembly cavity on it on the worm gear supporting seat.
10. according to arbitrary described gear-hobbing machine static pressure workbench among the claim 1-9, it is characterized in that: the middle part of described work stage body and table rest is provided with chip-removal hole, also is provided with the chip removal port lid on the described work stage body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737210 CN203045321U (en) | 2012-12-28 | 2012-12-28 | Static pressure working table for gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220737210 CN203045321U (en) | 2012-12-28 | 2012-12-28 | Static pressure working table for gear hobbing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203045321U true CN203045321U (en) | 2013-07-10 |
Family
ID=48728317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220737210 Withdrawn - After Issue CN203045321U (en) | 2012-12-28 | 2012-12-28 | Static pressure working table for gear hobbing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203045321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028953A (en) * | 2012-12-28 | 2013-04-10 | 重庆机床(集团)有限责任公司 | Static pressure working platform for hobbing machine |
| CN103406768A (en) * | 2013-07-22 | 2013-11-27 | 芜湖陀曼精机科技有限公司 | Static-pressure sealing structure of base of vertical high-precision working table |
| TWI681838B (en) * | 2019-04-30 | 2020-01-11 | 國立高雄科技大學 | Conical static pressure rotary table |
-
2012
- 2012-12-28 CN CN 201220737210 patent/CN203045321U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028953A (en) * | 2012-12-28 | 2013-04-10 | 重庆机床(集团)有限责任公司 | Static pressure working platform for hobbing machine |
| CN103028953B (en) * | 2012-12-28 | 2015-05-20 | 重庆机床(集团)有限责任公司 | Static pressure working platform for hobbing machine |
| CN103406768A (en) * | 2013-07-22 | 2013-11-27 | 芜湖陀曼精机科技有限公司 | Static-pressure sealing structure of base of vertical high-precision working table |
| CN103406768B (en) * | 2013-07-22 | 2015-06-10 | 芜湖陀曼精机科技有限公司 | Static-pressure sealing structure of base of vertical high-precision working table |
| TWI681838B (en) * | 2019-04-30 | 2020-01-11 | 國立高雄科技大學 | Conical static pressure rotary table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103028953B (en) | Static pressure working platform for hobbing machine | |
| CN101269464A (en) | Precision rotating table device | |
| CN203045321U (en) | Static pressure working table for gear hobbing machine | |
| CN103433568A (en) | Gear milling machine for forming inner gear ring | |
| CN102974900A (en) | Rotational motion clearance eliminating mechanism for working table of gear hobbing machine | |
| CN201997951U (en) | Double swinging mechanism | |
| CN101439469B (en) | Machine tool liquid kinetic pressure center frame | |
| CN108746687B (en) | High stability power sword tower | |
| CN203636504U (en) | Precise rotary working table | |
| CN201505817U (en) | Double scale division pair static pressure support rotary working-table used for machine tool | |
| CN101954494B (en) | Vertical servo hydraulic tool rest | |
| CN103692290B (en) | Micro swivel | |
| CN202963671U (en) | Rotational motion clearance eliminating mechanism for working table of gear hobbing machine | |
| CN209632137U (en) | A kind of numerically controlled lathe main shaft | |
| CN201871947U (en) | Large precision numerically-controlled rotary worktable | |
| CN201524808U (en) | Dividing head used for machining heavy-type workpieces | |
| CN102825268A (en) | Transmission main shaft structure of numerical control drilling and milling machine | |
| CN210703806U (en) | Double-drive structure for AB swing head of metal cutting machine tool | |
| CN205324741U (en) | High -speed numerical control lathe main shaft | |
| CN202726075U (en) | Gearbox spindle structure for numerical control drilling and milling machine | |
| CN209453214U (en) | Milling-boring machine Y-direction dragging system and cnc boring and milling machine | |
| CN102528520A (en) | Shifting fork double-acting gear box structure | |
| CN202468682U (en) | Planar self-balancing eccentric shaft | |
| CN201841273U (en) | Vertical servo hydraulic knife rest | |
| CN220006036U (en) | Novel power turret can sways |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |