CN104191294A - Gearbox turn-milling fixture - Google Patents
Gearbox turn-milling fixture Download PDFInfo
- Publication number
- CN104191294A CN104191294A CN201410375898.0A CN201410375898A CN104191294A CN 104191294 A CN104191294 A CN 104191294A CN 201410375898 A CN201410375898 A CN 201410375898A CN 104191294 A CN104191294 A CN 104191294A
- Authority
- CN
- China
- Prior art keywords
- locating
- gear
- box
- milling fixture
- locating dowel
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses a gearbox turn-milling fixture and relates to the technical field of work fixture manufacturing. The gearbox turn-milling fixture comprises a connection disc with the end face provided with multiple threaded connection holes, and a first locating column and two second locating columns are distributed on the same circumference of the upper end face of the connection disc; an arc locating notch with one side provided with a fastening bolt in a penetrating mode is formed in the top of the first locating column; lug plate locating notches with the top faces provided with top pressing plates in a penetrating mode through fastening bolts are formed in the tops of the second locating columns; the bottom face of the arc locating notch of the first locating column and the bottom faces of the lug plate locating notches of the second locating columns are arranged on the same plane. Compared with the prior art, the gearbox turn-milling fixture can solve the problem that the machining rejection rate of gearbox is high, and production efficiency is low.
Description
Technical field
The present invention relates to frock clamp manufacturing technology field, especially a kind of fixture that carries out car, milling processing for gear-box.
Background technology
Existing a kind of gear-box as shown in Figure 1 to Figure 3, heavily approximately 80 kilograms of this gear-boxes; The outer rim that is provided with the chest portion of mounting hole 1-3 in this gear-box 1 comprises and is connected to this chest portion one end is provided with the circular flange of two otic placode 1-4, this circular flange is provided with the dead eye being communicated with mounting hole 1-4, and in nearly circular flange upper surface, 1-1 place is provided with a positioning spigot; The locating hole of positioning spigot is coaxial setting with dead eye.To the processing of the hole of this gear-box circular flange one side and end face, is at present to carry out on lathe, the steps include: 1, chuck be contained on the mounting hole of gear-box and strutted, clamp; 2, adopt lathe tool to carry out turning processing to the locating hole of circular flange upper surface, positioning spigot and locating hole bottom surface, dead eye and dead eye upper surface.There are the following problems in process of production for this processing method: 1, human factor impact is too large, and workman must use dial gauge to adjust axiality, perpendicularity when using chuck to strut, and then by the mounting hole clamping of gear-box; Be subject to the impact of workman's the factor such as technical merit, duty, can cause the problem that crudy is unstable, percent defective is high; 2. clamping force is too large, can make gear-box distortion; Due to gear-box Heavy Weight, when using chuck to strut, clamp, need great clamping force, easily make gear-box distortion, often there is dimension overproof, the phenomenon of even scrapping in the product processing; 3. labor strength is large, and production efficiency is low, and workman can only process 8 to 10 gear-boxes every day.
Summary of the invention
Problem solved by the invention is to provide a kind of gear-box turnning and milling fixture, to solve processing percent defective height and the low problem of production efficiency of existing gear-box.
In order to address the above problem, the technical solution used in the present invention is: this gear-box turnning and milling fixture comprises that end face is provided with the terminal pad of a plurality of threaded connection holes, is distributed with first locating dowel and two the second locating dowels on the same circumference of described terminal pad upper surface; Described the first locating dowel is provided with the arc locating notch that one side is coated with tight fixed bolt in top; Described the second locating dowel is provided with its end face and by fastening bolt, is coated with the otic placode locating notch of top pressing board in top; The bottom surface of the bottom surface of described the first locating dowel arc locating notch and described the second locating dowel otic placode locating notch is same plane setting.
In said gear boxcar milling clamper technical scheme, technical scheme can also be more specifically: two described the second locating dowels are equal in length with described the first locating dowel line respectively.
Further: described terminal pad upper surface is provided with the secondary pressing plate of polylith, secondary pressing plate is all contained on described terminal pad by cushion block described in polylith, on described secondary pressing plate, is coated with hold-down bolt.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect: 1, this fixture by three connecting holes by frock clamp clamping on lathe spindle, use space principle of six-point fixing, by the first locating dowel, the arc locating notch of two the second locating dowels, these three locating surfaces of the bottom surface of otic placode locating notch, processed gear-box is positioned on correct position, then by the tight fixed bolt in the first locating dowel, the second locating dowel, top pressing board, gear-box is fixed on gear-box turnning and milling fixture; 2, effectively control axiality, the error of perpendicularity that clamping process produces, simple to operate, reduce operator's technical merit is required, reduces workman's labour intensity, improve working (machining) efficiency, improve processed finished products rate; Workman can produce 16-18 gear-box every day; 3, make the production schedule flexible and changeable, improve product timely delivery guaranteed rate, when lathe excess load is produced or breaks down cannot repair in time time, this gear-box turnning and milling fixture can be contained on milling machine gear-box is processed, thereby not affect the processing progress of gear-box.
Accompanying drawing explanation
Fig. 1 is the structural representation of circular flange of the gear-box of the embodiment of the present invention.
Fig. 2 is the structural representation of chest portion of the gear-box of the embodiment of the present invention.
Fig. 3 is the cutaway view of the gear-box of the embodiment of the present invention.
Fig. 4 is the structural representation of the embodiment of the present invention.
Fig. 5 is the structural representation that embodiment of the present invention clamping has gear-box.
The specific embodiment
Below in conjunction with accompanying drawing example, the invention will be further described:
Shown in Fig. 1 to 3 is gear-box to be processed, the outer rim that is provided with the chest portion of mounting hole 1-3 in this gear-box 1 comprises and is connected to this chest portion one end is provided with the circular flange of two otic placodes, the bottom surface 1-5 of the bottom surface of two otic placode 1-4 and circular flange is same plane setting, and this circular flange has the dead eye being communicated with mounting hole 1-3; On the 1-1 of circular flange upper surface, be provided with a positioning spigot, dead eye is coaxial setting with the locating hole of positioning spigot, and the aperture of dead eye is d2, and the aperture of the locating hole of positioning spigot is d1; By technological requirement, must process the locating hole of the circular flange upper surface 1-1 of circular flange one side of gear-box, positioning spigot and locating hole bottom surface 1-2, dead eye and dead eye upper surface 1-6, it is 3.2 that the roughness of machined surface requires; The other end in chest portion is provided with kidney-shaped flange.
Gear-box turnning and milling fixture as shown in Fig. 4 to Fig. 5 comprises that end face is provided with the terminal pad 2 of three threaded connection holes, on the same circumference of the upper surface of terminal pad 2, be distributed with first locating dowel 3 and two the second locating dowels 5, these two the second locating dowels 5 are equal in length with the first locating dowel 3 lines respectively; At the top of the first locating dowel 3, have an arc locating notch 3-1, the radian of the circular flange of the radian big city gear-box of this arc locating notch 3-1 equates, in a side of the first locating dowel 3, is coated with the tight fixed bolt 4 that stretches out arc locating notch 3-1; At the top of the second locating dowel 5, be equipped with and have otic placode locating notch 5-1, at the end face of the second locating dowel 5, by fastening bolt 7, be all coated with top pressing board 6 respectively; The bottom surface of the bottom surface of the first locating dowel 3 arc locating notch 3-1 and the second locating dowel 5 otic placode locating notch 5-1 is same plane setting; The present embodiment is equipped with 10, two secondary pressing plates 10 of two secondary pressing plates and all by installing two bolts of cushion block 9, was contained on terminal pad 2 in terminal pad 2 upper surfaces, on every secondary pressing plate 10, be all coated with a hold-down bolt 11.
During work, first clamping tool: the terminal pad 2 of gear-box turnning and milling fixture is contained on the main shaft of lathe by three threaded connection holes; B, dress part: a) by crane, gear-box 1 is sling, two otic placode 1-4 of gear-box 1 are packed in the otic placode locating notch 5-1 of the second locating dowel 5, a part of outer rim of the circular flange relative with two otic placode 1-4 packs in the arc locating notch 3-1 of the first locating dowel 3, the bottom surface 1-5 of circular flange and the bottom surface of the first locating dowel 3 arc locating notch 3-1 are connected, and the bottom surface of two otic placode 1-4 connects with the second locating dowel 5 otic placode locating notch 5-1 bottom surfaces respectively; When using dial gauge to adjust axiality, perpendicularity to dead eye and circular flange upper surface 1-1, by the fastening bolt 7 of tightening tight fixed bolt 4, be installed on top pressing board 6, gear-box 1 is fixed on terminal pad 2 respectively; B) two secondary pressing plates 10 are ridden on the kidney-shaped flange of the chest portion other end of gear-box 1, by the hold-down bolt 11 of tightening on secondary pressing plate 10, kidney-shaped flange is fixed on terminal pad 2; C, processing: use lathe tool, the locating hole of circular flange upper surface 1-1, positioning spigot and this locating hole bottom surface 1-2, dead eye upper surface 1-6 are carried out to turning processing; Use boring cutter, dead eye is carried out to Boring; D, unload gear-box 1 and complete the end face of gear-box 1 circular flange one side and the processing in hole.
Claims (3)
1. a gear-box turnning and milling fixture, is characterized in that: comprise that end face is provided with the terminal pad of a plurality of threaded connection holes (2), be distributed with first locating dowel (3) and two the second locating dowels (5) on the same circumference of described terminal pad (2) upper surface; Described the first locating dowel (3) is provided with the arc locating notch (3-1) that one side is coated with tight fixed bolt (4) in top; Described the second locating dowel (5) is provided with its end face and by fastening bolt (7), is coated with the otic placode locating notch (5-1) of top pressing board (6) in top; The bottom surface of the bottom surface of described the first locating dowel (3) arc locating notch (3-1) and described the second locating dowel (5) otic placode locating notch (5-1) is same plane setting.
2. gear-box turnning and milling fixture according to claim 1, is characterized in that: two described the second locating dowels (5) are equal in length with described the first locating dowel (3) line respectively.
3. gear-box turnning and milling fixture according to claim 1 and 2, it is characterized in that: described terminal pad (2) upper surface is provided with the secondary pressing plate (10) of polylith, described in polylith, secondary pressing plate (10) is all contained in described terminal pad (2) above by cushion block (9), is coated with hold-down bolt (11) on described secondary pressing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410375898.0A CN104191294B (en) | 2014-08-01 | Gear-box turnning and milling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410375898.0A CN104191294B (en) | 2014-08-01 | Gear-box turnning and milling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191294A true CN104191294A (en) | 2014-12-10 |
| CN104191294B CN104191294B (en) | 2017-01-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186526A (en) * | 2017-07-18 | 2017-09-22 | 邢台中伟卓特液压科技有限公司 | Gear-box in-car hole tool |
| CN109396889A (en) * | 2018-11-08 | 2019-03-01 | 衡阳市振洋汽车配件有限公司 | It can prevent the special-shaped supporting seat special fixture of clamping deformation |
| CN111069637A (en) * | 2019-12-10 | 2020-04-28 | 苏州臻嘉辰精密机械有限公司 | Pressure plate machining method |
| CN112207310A (en) * | 2020-09-03 | 2021-01-12 | 福建省威诺数控有限公司 | Motor base tool and using method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006016947A1 (en) * | 2006-04-11 | 2007-11-15 | Fabian Wettlaufer | Work equipment e.g. bench vise, fixing device, has ring shaped groove milled in steel block, where coil shell comprises windings inserted into groove, which is sealed outwards by plastic capsule mass |
| CN201073737Y (en) * | 2007-09-14 | 2008-06-18 | 中国北车集团大同电力机车有限责任公司 | Primary processing fixture for lower-gearbox |
| CN102328232A (en) * | 2011-07-14 | 2012-01-25 | 江苏汤臣汽车零部件有限公司 | Axle housing connecting flange surface milling tooling for integral speed reducer casing |
| CN202411919U (en) * | 2011-12-31 | 2012-09-05 | 山东济宁特力机床有限公司 | Numerical control vertical lathe fixture for automobile main reducing gear shell |
| CN103009158A (en) * | 2012-12-27 | 2013-04-03 | 郑州精益达汽车零部件有限公司 | Work fixture for horizontal machining centre in processing passenger car differential housing |
| CN103753322A (en) * | 2014-01-28 | 2014-04-30 | 上海汽车齿轮一厂 | Device and process for machining differential housing |
| CN203696454U (en) * | 2013-11-22 | 2014-07-09 | 北京南口轨道交通机械有限责任公司 | Clamping tooling for primary milling processing of railway vehicle gearbox |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006016947A1 (en) * | 2006-04-11 | 2007-11-15 | Fabian Wettlaufer | Work equipment e.g. bench vise, fixing device, has ring shaped groove milled in steel block, where coil shell comprises windings inserted into groove, which is sealed outwards by plastic capsule mass |
| CN201073737Y (en) * | 2007-09-14 | 2008-06-18 | 中国北车集团大同电力机车有限责任公司 | Primary processing fixture for lower-gearbox |
| CN102328232A (en) * | 2011-07-14 | 2012-01-25 | 江苏汤臣汽车零部件有限公司 | Axle housing connecting flange surface milling tooling for integral speed reducer casing |
| CN202411919U (en) * | 2011-12-31 | 2012-09-05 | 山东济宁特力机床有限公司 | Numerical control vertical lathe fixture for automobile main reducing gear shell |
| CN103009158A (en) * | 2012-12-27 | 2013-04-03 | 郑州精益达汽车零部件有限公司 | Work fixture for horizontal machining centre in processing passenger car differential housing |
| CN203696454U (en) * | 2013-11-22 | 2014-07-09 | 北京南口轨道交通机械有限责任公司 | Clamping tooling for primary milling processing of railway vehicle gearbox |
| CN103753322A (en) * | 2014-01-28 | 2014-04-30 | 上海汽车齿轮一厂 | Device and process for machining differential housing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186526A (en) * | 2017-07-18 | 2017-09-22 | 邢台中伟卓特液压科技有限公司 | Gear-box in-car hole tool |
| CN109396889A (en) * | 2018-11-08 | 2019-03-01 | 衡阳市振洋汽车配件有限公司 | It can prevent the special-shaped supporting seat special fixture of clamping deformation |
| CN111069637A (en) * | 2019-12-10 | 2020-04-28 | 苏州臻嘉辰精密机械有限公司 | Pressure plate machining method |
| CN111069637B (en) * | 2019-12-10 | 2021-07-27 | 苏州臻嘉辰精密机械有限公司 | Pressure plate machining method |
| CN112207310A (en) * | 2020-09-03 | 2021-01-12 | 福建省威诺数控有限公司 | Motor base tool and using method thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190527 Address after: 424599 North Section of Hecang, Tantang Industrial Park, Zhuquan Town, Jiahe County, Chenzhou City, Hunan Province Patentee after: CHENZHOU DINGXIN CASTING Co.,Ltd. Address before: No. 9-1 Liutai Road, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: LIUZHOU YINGLI MACHINERY CASTING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190926 Address after: 545007 the Guangxi Zhuang Autonomous Region Liuzhou City Liu Tai Road No. 9-1 Patentee after: LIUZHOU YINGLI MACHINERY CASTING Co.,Ltd. Address before: 424599 North Section of Hecang, Tantang Industrial Park, Zhuquan Town, Jiahe County, Chenzhou City, Hunan Province Patentee before: CHENZHOU DINGXIN CASTING Co.,Ltd. |
|
| 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: 20170104 Termination date: 20210801 |