CN203817846U - Locating clamp for machining main speed reducer assembly blank of horizontal machining centre - Google Patents
Locating clamp for machining main speed reducer assembly blank of horizontal machining centre Download PDFInfo
- Publication number
- CN203817846U CN203817846U CN201420239639.0U CN201420239639U CN203817846U CN 203817846 U CN203817846 U CN 203817846U CN 201420239639 U CN201420239639 U CN 201420239639U CN 203817846 U CN203817846 U CN 203817846U
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- CN
- China
- Prior art keywords
- chuck body
- locating
- positioning
- speed reducer
- face
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Abstract
The utility model relates to a locating clamp for machining a main speed reducer assembly blank of a horizontal machining centre. The locating clamp comprises a clamp body connected with a rotating work table of the horizontal machining centre, two speed reducer shell outer circle locating blocks are symmetrically and laterally arranged at the lower portion of the clamp body, and at least two speed reducer outer circle compression mechanisms are arranged at the upper portion of the clamp body. Meanwhile, at least three end face locating blocks are arranged in a circle on the clamp body, and the end faces of the end face locating blocks are respectively on the same plane. A centering and locating assembly for clamping a convex rib is further arranged on one side, corresponding to the convex rib of the speed reducer shell of an automobile, of the clamp body. A bearing hole locating assembly is arranged at the position, corresponding to a main gear guide bearing hole of the speed reducer shell of the automobile, of the clamp body. Two hydraulic control ports are further formed in the lower portion of the clamp body. Compared with a traditional device, the locating clamp improves machining efficiency and device use rate, saves cost and shortens the machining production cycle.
Description
Technical field
The present invention relates to a kind of automobile main reducer housing assy machining tool fixture, be specifically related to a kind of horizontal Machining centers processing main reducing gear housing assy blank positioning fixture.
Background technology
Due to main reducing gear housing assy complex contour, machined surface, on different three-dimensional planars, makes manufacturing procedure complexity.Traditional processing technology is first carried out roughing to main reducing gear housing assy two ends, then taking roughing face as positioning datum fine finishining two ends cylindrical, endoporus.Due to the more need of operation clamping location repeatedly, after clamping centering more difficult cause form and position tolerance and machining accuracy poor.Whole process manufacturing procedure is long, and labour intensity is large, and efficiency is low, and processing cost is high.
Along with the development of domestic motor market and the aggravation of competition, automobile factory's new product development speed is also constantly accelerated, and automobile bridge assembly product variety is on the increase, technical requirement is more and more higher.Main reducing gear housing assy is the key component on automobile bridge assembly, and particularly high form and position tolerance and the precision to main reducing gear housing assy of the passenger vehicle bridge speed of service has higher requirement, and existing processing locate mode can not meet the processing request of workpiece.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of horizontal Machining centers processing main reducing gear housing assy blank positioning fixture, solve original positioning tool inaccurate to blank location, center centering difficulty, form tolerance and flatness require the technical barrier can not be guaranteed.
For addressing the above problem, the invention provides a kind of horizontal Machining centers processing automobile main reducing gear housing assy blank positioning fixture, comprise chuck body, chuck body is connected with the rotary table of horizontal Machining centers;
Described chuck body below is symmetrical is provided with two reducing gearbox excircle orientation pieces, chuck body top is provided with at least two reducing gearbox cylindrical hold-down mechanisms, in chuck body, become circumferential row to be laid with at least three end face locating pieces, the end face of described end face locating piece all in one plane simultaneously; In chuck body, corresponding car deceleration device shell convex tendon one side is also provided with one for clamping the centering locating assembly of convex tendon, and in chuck body, the main tooth guide bearing hole of corresponding car deceleration device shell place is provided with dead eye locating assembly; Chuck body below is also provided with two hydraulic control mouths.
Concrete, described dead eye locating assembly is made up of positioning core axle, latch segment and Internal hole positioning piece, positioning core axle one end is fixed in chuck body, the positioning core axle other end is provided with draw-in groove, perforate being set on positioning core axle on described Internal hole positioning piece, latch segment one end is flexibly connected with Internal hole positioning piece by bolt, and latch segment can rotate centered by bolt, the latch segment other end is provided with hook, and described hook can engage with the draw-in groove on positioning core axle.
Concrete, in described chuck body, being also provided with multiple end face auxiliary positioning pins, described end face auxiliary positioning pin is suspended type hydraulic rod structure.
The beneficial effects of the utility model are: the utility model fixture is realized coarse positioning and compression to the main tooth guide bearing of main reducing gear housing assy hole by positioning core axle, retaining mechanism; can prevent that hydraulic compression from unclamping in the time of clamping workpiece time, workpiece slippage, plays safeguard protection effect simultaneously.Reducing gearbox cylindrical hold-down mechanism, centering locating assembly and auxiliary end face auxiliary positioning pin on this fixture adopts hydraulic compression and location simultaneously, add and be connected control man-hour by hydraulic control mouth with Hydraulic Station, and depart from Hydraulic Station and can realize pressurize, the flexible machining centre that is applicable to many workbench uses.
The utility model fixture passes through optimal design, can and use on-the-spot requirement according to the blank processing characteristic of product, design corresponding location structure, auxiliary location structure, hold-down mechanism, anti-loose pre-pressing mechanism, ensure the requirement on machining accuracy of workpiece, reduced the security of clamping workpiece machining deformation and lifting workpiece.More traditional clamp for machining, has improved production efficiency, cuts down finished cost.Improve working (machining) efficiency and capacity utilization, saved cost, shortened the processing cycle.
Brief description of the drawings
Be described in further detail with regard to the specific embodiment of the present invention below in conjunction with accompanying drawing, wherein:
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is top view of the present utility model.
Detailed description of the invention
Shown in Fig. 1-3, the utility model is a kind of horizontal Machining centers processing automobile main reducing gear housing assy blank positioning fixture, comprises chuck body 1, and chuck body is connected with the rotary table of horizontal Machining centers;
Described chuck body 1 below is symmetrical is provided with two reducing gearbox excircle orientation pieces 2, chuck body 1 top is provided with two reducing gearbox cylindrical hold-down mechanisms 3, in chuck body 1, become end face that circumferential row is laid with 4, three end face locating pieces of three end face locating pieces all in one plane simultaneously; In chuck body 1, corresponding car deceleration device shell convex tendon one side is also provided with one for clamping the centering locating assembly 9 of convex tendon, and in chuck body 1, the main tooth guide bearing hole of corresponding car deceleration device shell place is provided with dead eye locating assembly.Dead eye locating assembly is made up of positioning core axle 6, latch segment 7 and Internal hole positioning piece 8 as shown in Figure 2, positioning core axle 6 one end are fixed in chuck body 1, positioning core axle 6 other ends are provided with draw-in groove, perforate being set on positioning core axle 6 on described Internal hole positioning piece 8, latch segment 7 one end are flexibly connected with Internal hole positioning piece 8 by bolt, latch segment 7 can rotate centered by bolt, and latch segment 7 other ends are provided with hook, and described hook can engage with the draw-in groove on positioning core axle 6.Chuck body below is also provided with hydraulic control mouth 10 and hydraulic control mouth 11.
Concrete, in described chuck body 1, being also provided with three end face auxiliary positioning pins 5, described end face auxiliary positioning pin 5 is suspended type hydraulic rod structure.
When concrete operations, automobile main reducer shell blank assembly is hung on clamp body 1, excircle orientation block assembly 2 is located main reducing gear housing assy cylindrical, suit matches positioning core axle 6 with the main tooth guide bearing of main reducing gear housing assy hole, then load onto Internal hole positioning piece 8 rotation lock piece 7 its hook end and positioning core axle 6 draw-in grooves are fastened, make the end face of deep bid end face and three end face locating pieces 4 after main reducing gear housing assy blank fit simultaneously.Then hydraulic control mouth 10 is connected with Mobile hydraulic station, makes centering locating assembly 9 compress convex tendon by Hydraulic Station discharge pressure, realize reducing gearbox direction of rotation location; Make two cylindrical hold-down mechanisms, 3 workpiece pressing cylindricals; Make the hydraulic pressure column cap of three end face auxiliary positioning pins 5 stretch out simultaneously, realize the auxiliary positioning to workpiece blank end face, prevent reducing gearbox milling facial disfigurement in process.After reducing gearbox blank machines, hydraulic control mouth 11 is connected with Mobile hydraulic station, starts Hydraulic Station and unclamp centering locating assembly 9, cylindrical hold-down mechanism 3 and end face auxiliary positioning pin 5, take off reducing gearbox.
The above; only for the better detailed description of the invention of the present invention, but protection domain of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore protection domain of the present invention is as the criterion with the protection domain of claims.
Claims (3)
1. a horizontal Machining centers processing main reducing gear housing assy blank positioning fixture, comprises chuck body, and chuck body is connected with the rotary table of horizontal Machining centers, it is characterized in that:
Described chuck body below is symmetrical is provided with two reducing gearbox excircle orientation pieces, chuck body top is provided with at least two reducing gearbox cylindrical hold-down mechanisms, in chuck body, become circumferential row to be laid with at least three end face locating pieces, the end face of described end face locating piece all in one plane simultaneously; In chuck body, corresponding car deceleration device shell convex tendon one side is also provided with one for clamping the centering locating assembly of convex tendon, and in chuck body, the main tooth guide bearing hole of corresponding car deceleration device shell place is provided with dead eye locating assembly; Chuck body below is also provided with two hydraulic control mouths.
2. a kind of horizontal Machining centers processing main reducing gear housing assy blank positioning fixture as claimed in claim 1, it is characterized in that described dead eye locating assembly is by positioning core axle, latch segment and Internal hole positioning piece composition, positioning core axle one end is fixed in chuck body, the positioning core axle other end is provided with draw-in groove, perforate being set on positioning core axle on described Internal hole positioning piece, latch segment one end is flexibly connected with Internal hole positioning piece by bolt, latch segment can rotate centered by bolt, the latch segment other end is provided with hook, described hook can engage with the draw-in groove on positioning core axle.
3. a kind of horizontal Machining centers processing main reducing gear housing assy blank positioning fixture as claimed in claim 1, is characterized in that being also provided with multiple end face auxiliary positioning pins in described chuck body, and described end face auxiliary positioning pin is suspended type hydraulic rod structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239639.0U CN203817846U (en) | 2014-05-12 | 2014-05-12 | Locating clamp for machining main speed reducer assembly blank of horizontal machining centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239639.0U CN203817846U (en) | 2014-05-12 | 2014-05-12 | Locating clamp for machining main speed reducer assembly blank of horizontal machining centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817846U true CN203817846U (en) | 2014-09-10 |
Family
ID=51473389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239639.0U Expired - Fee Related CN203817846U (en) | 2014-05-12 | 2014-05-12 | Locating clamp for machining main speed reducer assembly blank of horizontal machining centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945616A (en) * | 2016-06-28 | 2016-09-21 | 宁波汇众汽车车桥制造有限公司 | Machining tool and machining method of steering knuckle bearing hole |
-
2014
- 2014-05-12 CN CN201420239639.0U patent/CN203817846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945616A (en) * | 2016-06-28 | 2016-09-21 | 宁波汇众汽车车桥制造有限公司 | Machining tool and machining method of steering knuckle bearing hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140910 Termination date: 20160512 |