CN104439550A - Clamping device for gear hobbing - Google Patents
Clamping device for gear hobbing Download PDFInfo
- Publication number
- CN104439550A CN104439550A CN201410732584.1A CN201410732584A CN104439550A CN 104439550 A CN104439550 A CN 104439550A CN 201410732584 A CN201410732584 A CN 201410732584A CN 104439550 A CN104439550 A CN 104439550A
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- Prior art keywords
- gear
- axle
- clamping device
- disk body
- mandrel
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Abstract
The invention discloses a clamping device for gear hobbing. The clamping device comprises a disc body, a mandrel, a pressing block, a nut and an ejector pin, which are sequentially arranged in the axial direction from the bottom to the top, wherein the disc body is detachably connected with a lathe, the disc body is arranged outside the mandrel in a sleeving way, a boss propped against the disc body is arranged at the lower end of the mandrel, a gear fixing part is arranged in the middle of the mandrel, the gear fixing part comprises a shaft shoulder and a shaft journal, the shaft shoulder can be propped against the end surface of a gear, a strip-shaped projection is axially arranged on the shaft journal, a clearance between the strip-shaped projection and a keyway in a gear inner hole is 0.01-0.05 mm, the axial length of the shaft journal is between one times of the axial length of the gear and two times of the axial length of the gear, a threaded section is arranged above the shaft journal and at the upper end of the mandrel, the pressing block sleeves the mandrel hollowly, a nut connected with the threaded section is arranged above the pressing block, and the ejector pin is pressed against the topmost end of the threaded section. The clamping device adopting the scheme is simple in structure and easy to operate, can firmly clamp the gear workpiece, is convenient for rapid hobbing, improves the hobbing processing efficiency of the gear workpiece and reduces the cost.
Description
Technical field
The present invention relates to gear teeth processing technique field, be specifically related to a kind of gear teeth clamping device.
Background technology
Gear is the intermeshing machine components having tooth of energy, and being wheel rim has tooth can engage the mechanical organ transmitting motion and power continuously; Gear use is in the car very frequent, at present in the gear hobbing process process of gear, existing gear teeth fixture normally clamps gear by the mode of swelling bore, this mode is very applicable when not high to Gear Processing required precision, but when reaching 0.01mm to Gear Processing required precision, now hobboing cutter rotating speed is very high, easily relatively rotate between fixture, gear, gear clamping loosely, causes Gear Processing defective, reduces production efficiency.
Summary of the invention
The invention is intended to provide a kind of gear teeth clamping device, with firm grip gear.
Gear teeth clamping device in this programme, comprises the disk body, axle, briquetting, nut and the thimble that set gradually vertically from bottom to top, wherein removably connect between disk body and lathe, disk body is enclosed within outside axle, axle lower end is provided with the boss be against on disk body, it is gear fixed part in the middle part of axle, gear fixed part comprises the shaft shoulder and axle journal, the shaft shoulder can prop up gear face, axle journal is provided with the strip projected parts arranged vertically, in strip projected parts and bore, the gap of keyway is 0.01mm-0.05mm, axle journal axial length is between one times of gear axial length and twice gear axial length, thread segment is provided with above axle upper end and axle journal, briquetting empty set is in axle, it is the nut be connected with thread segment above briquetting, thimble withstands on thread segment topmost.
The advantage of this programme is: comprise the disk body, axle, briquetting, nut and the thimble that set gradually vertically from bottom to top, wherein removably connect between disk body and lathe, facilitate installing/dismounting, disk body is enclosed within outside axle, axle lower end is provided with the boss be against on disk body, boss can play positioning action by center roller, boss can transfer loads on disk body when axle is subject to axial load, be delivered on lathe by disk body again, it is gear fixed part in the middle part of axle, gear fixed part comprises the shaft shoulder and axle journal, the shaft shoulder can prop up gear face, axle journal is provided with the strip projected parts arranged vertically, in strip projected parts and bore, the gap of keyway is 0.01mm-0.05mm, ensure the quality of fit of axle journal and gear, thus ensure the gear hobbing precision of gear, axle journal axial length is between one times of gear axial length and twice gear axial length, when ensureing clamping two gears, briquetting can be pressed on gear and play clamping action, thread segment is provided with above axle upper end and axle journal, briquetting empty set is at thread segment, the shaft shoulder clamps the gear be positioned between the two together with briquetting, it is the nut be connected with thread segment above briquetting, briquetting can be made to compress gear by tightening nut, thimble withstands on thread segment topmost, both the effect to the heart had been played, also play the effect of aiding support simultaneously.
During work, two gears can be close to relatively, then be enclosed within the axle journal of axle through spindle thread section, then briquetting is pressed on gear, screw on nut and screw gear fixation, thimble fixes on thread segment topmost, then just can carry out cylindrical gear hobbing to operate, can clamped one time, gear hobbing process two gears, after machining, only need move out thimble, pull down nut, gear just can take off by briquetting, this programme structure is simple, processing ease, can firm clamping gear workpieces, be convenient to quick cylindrical gear hobbing, improve gear workpieces gear hobbing process efficiency, reduce costs.
Further, be bolted fixing between disk body and lathe, facilitate installing/dismounting.
Further, disk body upper center is provided with the annular projection of carrying axle boss, only annular projection fine finishining can need be ensured the assembly precision with axle, and without the need to by the whole fine finishining in whole disk body upper surface, axle boss edge is connected and fixed by screw and annular projection, facilitates installing/dismounting.
Further, nut is hex nut, convenient clamping.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: hex nut 1, briquetting 2, axle 3, disk body 4.
Embodiment one is substantially as shown in Figure 1: gear teeth clamping device comprises the disk body 4, axle 3, briquetting 2, hex nut 1 and the thimble that set gradually vertically from bottom to top, wherein be bolted fixing between disk body and lathe, facilitate installing/dismounting, disk body is enclosed within outside axle, axle lower end is provided with the boss be against on disk body, boss can play positioning action by center roller, disk body upper center is provided with the annular projection of carrying axle boss, only annular projection fine finishining can need be ensured the assembly precision with axle, and without the need to by the whole fine finishining in whole disk body upper surface, axle boss edge is connected and fixed by screw and annular projection, facilitate installing/dismounting, boss can transfer loads on disk body when axle is subject to axial load, be delivered on lathe by disk body again, it is gear fixed part in the middle part of axle, gear fixed part comprises the shaft shoulder and axle journal, the shaft shoulder can prop up gear face, axle journal is provided with the strip projected parts arranged vertically, in strip projected parts and bore, the gap of keyway is 0.01mm-0.05mm, ensure the quality of fit of axle journal and gear, thus ensure the gear hobbing precision of gear, axle journal axial length is between one times of gear axial length and twice gear axial length, when ensureing clamping two gears, briquetting can be pressed on gear and play clamping action, thread segment is provided with above axle upper end and axle journal, briquetting empty set is at thread segment, the shaft shoulder clamps the gear be positioned between the two together with briquetting, it is the hex nut be connected with thread segment above briquetting, briquetting can be made to compress gear by screwing hex nut, thimble withstands on thread segment topmost, both the effect to the heart had been played, also play the effect of aiding support simultaneously.
During work, two gears can be close to relatively, then be enclosed within the axle journal of axle through spindle thread section, then briquetting is pressed on gear, screw on hex nut and screw gear fixation, thimble fixes on thread segment topmost, then just can carry out cylindrical gear hobbing to operate, can clamped one time, gear hobbing process two gears, after machining, only need move out thimble, pull down hex nut, gear just can take off by briquetting, this programme structure is simple, processing ease, can quick-clamping gear workpieces, be convenient to quick cylindrical gear hobbing, improve gear workpieces gear hobbing process efficiency, reduce costs.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect the practicality of effect of the invention process and invention.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. gear teeth clamping device, is characterized in that: comprise the disk body, axle, briquetting, nut and the thimble that set gradually vertically from bottom to top, wherein removably connect between disk body and lathe, disk body is enclosed within outside axle, axle lower end is provided with the boss be against on disk body, it is gear fixed part in the middle part of axle, gear fixed part comprises the shaft shoulder and axle journal, the shaft shoulder can prop up gear face, axle journal is provided with the strip projected parts arranged vertically, in strip projected parts and bore, the gap of keyway is 0.01mm-0.05mm, axle journal axial length is between one times of gear axial length and twice gear axial length, thread segment is provided with above axle upper end and axle journal, briquetting empty set is in axle, it is the nut be connected with thread segment above briquetting, thimble withstands on thread segment topmost.
2. gear teeth clamping device according to claim 1, is characterized in that: be bolted fixing between disk body and lathe.
3. gear teeth clamping device according to claim 2, is characterized in that: disk body upper center is provided with the annular projection of carrying axle boss, and axle boss edge is connected and fixed by screw and annular projection.
4. gear teeth clamping device according to claim 3, is characterized in that: nut is hex nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732584.1A CN104439550A (en) | 2014-12-07 | 2014-12-07 | Clamping device for gear hobbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410732584.1A CN104439550A (en) | 2014-12-07 | 2014-12-07 | Clamping device for gear hobbing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104439550A true CN104439550A (en) | 2015-03-25 |
Family
ID=52886734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410732584.1A Withdrawn CN104439550A (en) | 2014-12-07 | 2014-12-07 | Clamping device for gear hobbing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439550A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252086A (en) * | 2015-12-03 | 2016-01-20 | 重庆望江工业有限公司 | Gear grinding clamping device of planetary gear of wind power generation device |
| CN106112138A (en) * | 2016-08-28 | 2016-11-16 | 浙江台玖精密机械有限公司 | Balance compresses gear hobbing tooling and using method thereof |
| CN111992763A (en) * | 2020-08-11 | 2020-11-27 | 韩志斌 | Auxiliary mechanism for repairing and punching mechanical gear |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004291107A (en) * | 2003-03-26 | 2004-10-21 | Fuji Heavy Ind Ltd | Workpiece clamping method and workpiece clamping fixture for machining device |
| CN201058388Y (en) * | 2007-07-13 | 2008-05-14 | 李为忠 | Fixture clipper for making tooth-like part of gear |
| CN202015958U (en) * | 2011-03-22 | 2011-10-26 | 浙江双环传动机械股份有限公司 | Hobbing clamp |
| CN202655742U (en) * | 2012-06-12 | 2013-01-09 | 重庆神箭汽车传动件有限责任公司 | Combined gear hobbing tool |
| CN202804686U (en) * | 2012-08-09 | 2013-03-20 | 中国南方航空工业(集团)有限公司 | Positioning and clamping device with internal spline part |
| CN103506710A (en) * | 2012-06-28 | 2014-01-15 | 常州市格里森前进齿轮有限公司 | Novel spiral bevel gear chuck |
| CN203664864U (en) * | 2013-12-16 | 2014-06-25 | 重庆市为根弧齿轮制造有限公司 | Special tool for machining spline gear |
| CN204295073U (en) * | 2014-12-07 | 2015-04-29 | 重庆市璧山县振昌汽车配件有限公司 | Gear teeth clamping device |
-
2014
- 2014-12-07 CN CN201410732584.1A patent/CN104439550A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004291107A (en) * | 2003-03-26 | 2004-10-21 | Fuji Heavy Ind Ltd | Workpiece clamping method and workpiece clamping fixture for machining device |
| CN201058388Y (en) * | 2007-07-13 | 2008-05-14 | 李为忠 | Fixture clipper for making tooth-like part of gear |
| CN202015958U (en) * | 2011-03-22 | 2011-10-26 | 浙江双环传动机械股份有限公司 | Hobbing clamp |
| CN202655742U (en) * | 2012-06-12 | 2013-01-09 | 重庆神箭汽车传动件有限责任公司 | Combined gear hobbing tool |
| CN103506710A (en) * | 2012-06-28 | 2014-01-15 | 常州市格里森前进齿轮有限公司 | Novel spiral bevel gear chuck |
| CN202804686U (en) * | 2012-08-09 | 2013-03-20 | 中国南方航空工业(集团)有限公司 | Positioning and clamping device with internal spline part |
| CN203664864U (en) * | 2013-12-16 | 2014-06-25 | 重庆市为根弧齿轮制造有限公司 | Special tool for machining spline gear |
| CN204295073U (en) * | 2014-12-07 | 2015-04-29 | 重庆市璧山县振昌汽车配件有限公司 | Gear teeth clamping device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252086A (en) * | 2015-12-03 | 2016-01-20 | 重庆望江工业有限公司 | Gear grinding clamping device of planetary gear of wind power generation device |
| CN106112138A (en) * | 2016-08-28 | 2016-11-16 | 浙江台玖精密机械有限公司 | Balance compresses gear hobbing tooling and using method thereof |
| CN106112138B (en) * | 2016-08-28 | 2019-02-26 | 浙江台玖精密机械有限公司 | Balance compresses gear hobbing tooling and its application method |
| CN111992763A (en) * | 2020-08-11 | 2020-11-27 | 韩志斌 | Auxiliary mechanism for repairing and punching mechanical gear |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150325 |