CN103084635B - Automobile rear torsion beam hub connecting support assembling surface machining device - Google Patents
Automobile rear torsion beam hub connecting support assembling surface machining device Download PDFInfo
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- CN103084635B CN103084635B CN201310036579.2A CN201310036579A CN103084635B CN 103084635 B CN103084635 B CN 103084635B CN 201310036579 A CN201310036579 A CN 201310036579A CN 103084635 B CN103084635 B CN 103084635B
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Abstract
The invention discloses an automobile rear torsion beam hub connecting support assembling surface machining device for milling and machining a plane containing two space angles. The automobile rear torsion beam hub connecting support assembling surface machining device comprises a fixture, a base and a milling and machining mechanism; the milling and machining mechanism comprises two parts which are arranged symmetrically at the left side and the right side of the fixture, wherein each part comprises a milling power head, a hydraulic sliding table, a guide rail, a milling power head tilt angle regulating mechanism and a guide rail angle regulating mechanism; the milling power head is installed on the hydraulic sliding table which is matched with the guide rail; and the guide rail is installed on the base. The automobile rear torsion beam hub connecting support assembling surface machining device provided by the invention has the characteristics of stable product machining quality, high guarantee capability and low manufacturing cost; the working efficiency is improved by 60% above compared with that of the traditional machining mode; the manufacturing cost is only one tenth of that of the traditional machining equipment; the mass production requirement is met; the automobile part production rhythm is accelerated; and the production capability of enterprises is improved.
Description
Technical field
The present invention relates to a kind of machine components milling device, especially a kind of automobile rear torsion beam wheel hub connection bracket fitting surface milling device, belongs to the milling technology field of special workpiece.
Background technology
Toe-in angle and camber angle are two important parameters of automobile four-wheel location, and when wherein toe-in angle refers to and overlooks wheel, wheel non-fully straight line point to direction of advance, but have some inside or outward-dipping angles.When camber angle refers to and faces wheel from front to back, wheel is not perpendicular to ground, but the angle having some inside or outward-dipping.
Automobile rear torsion beam is the key components and parts of vehicle rear suspension assembly, and it is connected with vehicle body and rear wheel, bearing automobile rear load.A kind of car rear torsion beam 1 as shown in Figure 1, entirety is assemble welding structure, for meeting the requirement of car load four wheel locating parameter, the rear-wheel hub connection bracket 1-1 fitting surface at its two ends comprises two space angles, i.e. toe-in angle α and camber angle β, therefore after turn round after beam welded, also to carry out machined to the fitting surface of rear-wheel hub connection bracket 1-1.Because rear torsion beam 1 appearance and size is comparatively large, the Space Angle angle value of two ends machined surface requires strict, and traditional processing method is after at one end machining, and is rotated by workpiece and comes to process the other end, and needs the symmetry adjustment carrying out angle.This processing method not only has higher requirement to operating personnel's level of skill, and gantry type five axes numerical control machine tool need be adopted, and there is the disadvantages such as equipment investment is huge, processing beat is long.
For solving the problem, the patent document that China Patent No. 201110144550, name are called " a kind of method of processing automobile rear torsion beam on horizontal boring machine " discloses and utilizes common horizontal boring machine to carry out mach method to rear-wheel hub connection bracket fitting surface, it changes boring cutter as wire rod quality into, utilize the rotary table of boring machine and frock angle to synthesize the Space Angle that will process, thus realize the machined to automobile rear torsion beam two ends hub bracket lateral surface.Although this processing method can reduce exemplar processing investment in early stage pressure, owing to can not process the rear-wheel hub connection bracket fitting surface at rear torsion beam two ends simultaneously, operating efficiency is lower, is unsuitable for the production in enormous quantities of approved product.
Summary of the invention
The object of the invention is to the drawback for prior art, the automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) of a kind of easy to operate, cost less investment, production demand of increasing work efficiency, meet is provided.
Problem of the present invention realizes with following technical proposals:
A kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), it comprises fixture, base and Milling Process mechanism, described Milling Process mechanism is included in two parts that fixture left and right sides is arranged symmetrically with, wherein every part includes milling unit head, hydraulic pressure moving platform, guide rail, milling unit head pivot angle guiding mechanism and guide rail angle-adjusting mechanism, described milling unit head is arranged on hydraulic pressure moving platform, described hydraulic pressure moving platform and guide rail, described guide rails assembling is on base.
Above-mentioned automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), described milling unit head is provided with drive motors, reducing gear and rack sleeve, described drive motors is connected with rack sleeve by reducing gear, at rack sleeve front end mounting cutter, milling unit head is fixed on above hydraulic pressure moving platform by milling unit head clamping screw.
Above-mentioned automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), described hydraulic pressure moving platform is grouped into by standing part and adjustable section, described standing part bottom surface and guide rail are equipped with, its upper surface and variable partition are equipped with, described variable partition and milling unit head are fixed and are assembled, its bottom surface is the arc adjusting range of mating with standing part, at the arranged outside milling unit head pivot angle guiding mechanism of hydraulic pressure moving platform.
Above-mentioned automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), described milling unit head pivot angle guiding mechanism comprises hold-down support, adjusting screw(rod) and adjustment bearing, described hold-down support is arranged on the sidewall of hydraulic pressure moving platform standing part, described adjusting screw(rod) and hold-down support are equipped with, the afterbody of adjusting screw(rod) is conflicted with regulating bearing, and described adjustment bearing is arranged on the sidewall of hydraulic pressure moving platform variable partition.
Above-mentioned automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), described guide rail passes through guide rail hold-down mechanism and guide rail locating shaft and base and assembles, at the arranged outside guide rail angle-adjusting mechanism of guide rail front end.
Above-mentioned automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), described guide rail angle-adjusting mechanism is provided with adjustment bolt and bolt mount pad, and described adjustment bolt and bolt mount pad are equipped with, and conflict in adjustment bolt tail and rail-sides edge.
The present invention can simultaneously to the wheel hub connection bracket fitting surface Milling Process at automobile rear torsion beam two ends, workpiece is fixed by fixture, the milling unit head being arranged symmetrically in workpiece two ends can move by fore-and-aft direction, milling unit head main-shaft axis and work pieces process face are α at vertical plane inner projection angle, mate with the toe-in angle of processing work; Milling unit head main-shaft axis and work pieces process face are β at horizontal plane inner projection angle simultaneously, mate with the camber angle of processing work.The power that drive motors of the present invention provides passes to cutter through reducing gear and rack sleeve, carry its tools rotary motion, hydraulic pressure moving platform of the present invention is done to come and go rectilinear motion along the guide rail be fixed on base by hydraulic oil cylinder driving, drive milling unit head to complete the feed motion of cutter, realize the Milling Process to work pieces process face thus.The present invention adjusts hydraulic pressure moving platform variable partition by milling unit head pivot angle guiding mechanism, and the toe-in angle that milling unit head main-shaft axis and work pieces process face are located at vertical plane inner projection angle and vehicular four wheels matches; Adjusted by the angle of inclination of guide rail angle-adjusting mechanism to guide rail, the camber angle that milling unit head main-shaft axis and work pieces process face are located at horizontal plane inner projection angle and vehicular four wheels matches; By the rear torsion beam of the adjustment coupling different spans to milling power head spindle sleeve length, and realize the adjustment to workpiece symmetry; Met the requirement of different automobile types rear torsion beam two ends wheel hub connection bracket fitting surface Milling Process by above-mentioned adjustment operation, improve universal performance of the present invention.In a word, process while present invention achieves two ends, rear torsion beam left and right wheel hub connection bracket installed surface, there is product processing quality stablize, guarantee ability is strong, the feature of low cost of manufacture, its operating efficiency is improve more than 60% compared with traditional processing mode, and manufacturing cost is only 1/10th of gantry type five axes numerical control lathe, meets production demand, accelerate the beat that auto parts and components are produced, improve the production capacity of enterprise.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the front view of automobile rear torsion beam;
Fig. 2 is the top view of automobile rear torsion beam;
Fig. 3 is front view of the present invention;
Fig. 4 is top view of the present invention;
Fig. 5 is milling unit head and hydraulic pressure moving platform, guide rail and processing work position relationship front view;
Fig. 6 is A place schematic enlarged-scale view in Fig. 5;
Fig. 7 is milling unit head and hydraulic pressure moving platform, guide rail and processing work position relationship top view;
Fig. 8 is B place schematic enlarged-scale view in Fig. 7;
Fig. 9 is to milling power head spindle sleeve length adjustment schematic diagram.
In figure, each list of reference numerals is: 1, automobile rear torsion beam, 1-1, wheel hub connection bracket, 2, guide rail, 3, hydraulic pressure moving platform, 3-1, variable partition, 3-2, standing part, 4, milling unit head pivot angle guiding mechanism, 4-1, adjusting screw(rod), 4-2, hold-down support, 4-3, adjustment bearing, 5, milling unit head, 5-1, milling power head spindle sleeve, 6, cutter, 7, fixture, 8, milling unit head clamping screw, 9, guide rail locating shaft, 10, guide rail hold-down mechanism, 11, guide rail angle-adjusting mechanism, 12, base.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, car rear torsion beam 1 involved in the present embodiment is assemble welding structure, and the fitting surface of its rear-wheel hub connection bracket 1-1 comprises two space angles, i.e. toe-in angle α and camber angle β.
Referring to Fig. 3, Fig. 4, the present invention includes fixture 7, base 12 and Milling Process mechanism, described Milling Process mechanism is included in two parts that fixture 7 left and right sides is arranged symmetrically with, wherein every part includes milling unit head 5, hydraulic pressure moving platform 3, guide rail 2, milling unit head swing angle adjusting mechanism 4 and guide rail angle-adjusting mechanism 11, described milling unit head 5 is arranged on hydraulic pressure moving platform 3, described hydraulic pressure moving platform 3 mates with guide rail 2, and described guide rail 2 is arranged on base 12.The power that drive motors of the present invention provides passes to cutter 6 through reducing gear and rack sleeve 5-1, carry its tools 6 rotary motion, hydraulic pressure moving platform 3 of the present invention makes round rectilinear motion by hydraulic oil cylinder driving along the guide rail 2 be fixed on base 12, drive milling unit head 5 to complete the feed motion of cutter 6, realize the Milling Process to work pieces process face thus.
Referring to Fig. 5, Fig. 6, milling unit head 5 main-shaft axis of the present invention and work pieces process face are α at vertical plane inner projection angle, mate with the toe-in angle of processing work.The present invention is by the adjustment to milling unit head pivot angle guiding mechanism 4 adjusting screw(rod) 4-1, promote the adjustment bearing 4-3 be fixed on hydraulic pressure moving platform variable partition, after making to drive milling unit head 5 entirety to turn to proper angle along camber adjusting range R with hydraulic pressure moving platform variable partition 3-1, screw rod 4-1 locking will be adjusted, then fastening milling unit head clamping screw 8, makes milling unit head 5 firmly be connected with hydraulic pressure moving platform 3 under the state keeping toe-in angle.
Referring to Fig. 7, Fig. 8, milling unit head 5 main-shaft axis of the present invention and work pieces process face are β at horizontal plane inner projection angle, mate with the camber angle of processing work.The present invention is by the adjustment bolt 11-1 in guide rail angle-adjusting mechanism 11, make guide rail 2 with guide rail locating shaft 9 for after the centre of gyration rotates a proper angle, by guide rail angle-adjusting mechanism 11 locking, then clamping rail hold-down mechanism 10, makes guide rail 2 firmly be connected with base 1 under the state keeping camber angle.
Referring to Fig. 9, the present invention by mating the rear torsion beam of different spans to the adjustment of milling unit head 5 rack sleeve 5-1 length, and realizes the adjustment to workpiece symmetry.Its regulating step is: adjustment rack sleeve 5-1 returns size L1 or stretches out size L2, meets the requirement of workpiece spanwise dimension, ensures that workpiece two ends are equal with distance between center line L value simultaneously, has adjusted the rack sleeve 5-1 of rear locking workpiece both sides.
When the present invention works, by manually workpiece being put into hydraulically operated fixture, operation control button, workpiece is by after Automatic-clamping, Milling Process mechanism, by running of designing program, drives cutter 6 rotary cutting, hydraulic oil cylinder driving hydraulic pressure moving platform 3 straight reciprocating motion by milling unit head 5, completes the Milling Process of workpiece.
Claims (4)
1. an automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant), it is characterized in that, it comprises fixture (7), base (12) and Milling Process mechanism, described Milling Process mechanism is included in two parts that fixture (7) left and right sides is arranged symmetrically with, wherein every part includes milling unit head (5), hydraulic pressure moving platform (3), guide rail (2), milling unit head pivot angle guiding mechanism (4) and guide rail angle-adjusting mechanism (11), described milling unit head (5) is arranged on hydraulic pressure moving platform (3), described hydraulic pressure moving platform (3) mates with guide rail (2), described guide rail (2) is arranged on base (12),
Described hydraulic pressure moving platform (3) is made up of standing part (3-2) and variable partition (3-1), described standing part (3-2) bottom surface and guide rail (2) are equipped with, its upper surface and variable partition (3-1) are equipped with, described variable partition (3-1) assembles with milling unit head (5) is fixing, its bottom surface is the arc adjusting range R mated with standing part (3-2), at arranged outside milling unit head pivot angle guiding mechanism (4) of hydraulic pressure moving platform (3);
Described guide rail (2) is assembled, at the arranged outside guide rail angle-adjusting mechanism (11) of guide rail (2) front end with base (12) by guide rail hold-down mechanism (10) and guide rail locating shaft (9).
2. a kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) according to claim 1, it is characterized in that, described milling unit head (5) is provided with drive motors, reducing gear and rack sleeve (5-1), described drive motors is connected with rack sleeve (5-1) by reducing gear, at the front end mounting cutter (6) of rack sleeve (5-1), milling unit head (5) is fixed on above hydraulic pressure moving platform (3) by milling unit head clamping screw (8).
3. a kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) according to claim 2, it is characterized in that, described milling unit head pivot angle guiding mechanism (4) comprises hold-down support (4-2), adjusting screw(rod) (4-1) and adjustment bearing (4-3), described hold-down support (4-2) is arranged on the sidewall of hydraulic pressure moving platform standing part (3-2), described adjusting screw(rod) (4-1) is equipped with hold-down support (4-2), the afterbody of adjusting screw(rod) (4-1) is conflicted with regulating bearing (4-3), described adjustment bearing (4-3) is arranged on the sidewall of hydraulic pressure moving platform variable partition (3-1).
4. a kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) according to claim 3, it is characterized in that, described guide rail angle-adjusting mechanism (11) is provided with adjustment bolt (11-1) and bolt mount pad (11-2), described adjustment bolt (11-1) is equipped with bolt mount pad (11-2), and adjustment bolt (11-1) afterbody and guide rail (2) lateral edges are conflicted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310036579.2A CN103084635B (en) | 2013-01-31 | 2013-01-31 | Automobile rear torsion beam hub connecting support assembling surface machining device |
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| CN201310036579.2A CN103084635B (en) | 2013-01-31 | 2013-01-31 | Automobile rear torsion beam hub connecting support assembling surface machining device |
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| CN103084635A CN103084635A (en) | 2013-05-08 |
| CN103084635B true CN103084635B (en) | 2015-04-22 |
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Families Citing this family (9)
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| CN103551891B (en) * | 2013-10-18 | 2016-05-11 | 安徽万安汽车零部件有限公司 | Automobile is turned round beam brake disc milling tool for end face is installed |
| CN104001975B (en) * | 2014-05-23 | 2016-03-09 | 苏州创丰精密五金有限公司 | Milling limit tool |
| CN105034790B (en) * | 2015-09-10 | 2017-08-08 | 安徽工程大学 | A kind of electric automobile torsion girder-like drive system and its driving method |
| CN107081606A (en) * | 2017-04-11 | 2017-08-22 | 沈阳机床成套设备有限责任公司 | Spindle processing adjustable-angle Double-face horizontal machining center and method of adjustment |
| CN107470951A (en) * | 2017-09-21 | 2017-12-15 | 安徽力成机械装备有限公司 | Torsion-beam milling hydraulically operated fixture after a kind of automobile |
| CN109434526B (en) * | 2018-12-29 | 2020-04-21 | 北京长城华冠汽车技术开发有限公司 | Torsion beam hub installation face end face mills special machine |
| CN110586995B (en) * | 2019-09-23 | 2020-08-07 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
| CN111730118B (en) * | 2020-06-24 | 2024-10-29 | 泰州海陵液压机械股份有限公司 | Middle beam steel abnormal shape groove processing production system |
| CN113579813B (en) * | 2021-08-18 | 2022-08-23 | 南京工程学院 | Double-sided sawing and milling machine tool for hub shaft end face of rear shaft assembly |
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| JP3490389B2 (en) * | 2000-10-30 | 2004-01-26 | 株式会社中央精機 | Double-sided side milling machine |
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Effective date of registration: 20191225 Address after: 314200 north side of Rongrong Road, east side of Pingshan Avenue, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee after: Pinghu branch of Great Wall Motor Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |