CN103084635A - 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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- CN103084635A CN103084635A CN2013100365792A CN201310036579A CN103084635A CN 103084635 A CN103084635 A CN 103084635A CN 2013100365792 A CN2013100365792 A CN 2013100365792A CN 201310036579 A CN201310036579 A CN 201310036579A CN 103084635 A CN103084635 A CN 103084635A
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- torsion beam
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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 referred to overlook wheel, wheel was not that complete straight line points to direction of advance, but has some inside or outward-dipping angles.When camber angle referred to face wheel from front to back, wheel was not perpendicular to ground, but some inside or outward-dipping angles are arranged.
The automobile rear torsion beam is the key components and parts of vehicle rear suspension assembly, and it is connected with rear wheel with vehicle body, bearing automobile rear portion load.A kind of car rear torsion beam 1 as shown in Figure 1, integral body is the assemble welding structure, for satisfying 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, be toe-in angle α and camber angle β, therefore after turn round the beam welding and complete after, 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 larger, the space angle value of two ends machined surface is strict, and traditional processing method is after at one end machining, workpiece rotating to be come to process the other end, and need to carry out the symmetry adjustment of angle.This processing method not only has higher requirement to operating personnel's level of skill, and needs to adopt the gantry type five axes numerical control machine tool to complete, and exists the disadvantages such as equipment investment is huge, the processing beat is long.
For addressing the above 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 has utilized the common horizontal boring machine to carry out mach method to rear-wheel hub connection bracket fitting surface, it changes boring cutter into the dish milling cutter, utilize the synthetic Space Angle that will process of the rotary table of boring machine and frock angle, thereby realize the machined to automobile rear torsion beam two ends wheel hub holder lateral surface.Although this processing method can reduce exemplar processing investment in early stage pressure, owing to can not be simultaneously the rear-wheel hub connection bracket fitting surface at rear torsion beam two ends being processed, 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, a kind of easy to operate, cost less investment is provided, can increases work efficiency, satisfy the automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) of production demand.
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 the 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 the 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, its upper surface and variable partition are equipped, the fixing assembling of described variable partition and milling unit head, 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 adjusting 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, the afterbody of adjusting screw(rod) is conflicted with regulating bearing, and described adjusting 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 is by guide rail hold-down mechanism and guide rail locating shaft and base assembling, 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 are provided with adjusts bolt and bolt mount pad, and described adjustment bolt and bolt mount pad are equipped, adjusts bolt tail and rail-sides edge conflict.
The present invention can be simultaneously to the wheel hub connection bracket fitting surface Milling Process at automobile rear torsion beam two ends, workpiece is fixed by fixture, but the milling unit head fore-and-aft direction that is arranged symmetrically in workpiece two ends moves, milling unit head main-shaft axis and workpiece machined surface are α at vertical plane inner projection angle, with the toe-in angle coupling of processing work; Milling unit head main-shaft axis and workpiece machined surface are β at horizontal plane inner projection angle simultaneously, with the camber angle coupling of processing work.The power that drive motors of the present invention provides passes to cutter through reducing gear and rack sleeve, the band cutter rotatablely moves, hydraulic pressure moving platform of the present invention makes to come and go rectilinear motion by hydraulic oil cylinder driving along the guide rail that is fixed on base, drive milling unit head and complete the feed motion of cutter, realize thus the Milling Process to the workpiece machined surface.The present invention can adjust the hydraulic pressure moving platform variable partition by milling unit head pivot angle guiding mechanism, and milling unit head main-shaft axis and workpiece machined surface are complementary at the toe-in angle of vertical plane inner projection angle and vehicular four wheels location; By the guide rail angle-adjusting mechanism, the angle of inclination of guide rail is adjusted, milling unit head main-shaft axis and workpiece machined surface are complementary in the camber angle of horizontal plane inner projection angle and vehicular four wheels location; By the rear torsion beam to the adjusting of milling power head spindle sleeve length coupling different spans, and realize adjustment to workpiece symmetry; Satisfy the requirement of different automobile types rear torsion beam two ends wheel hub connection bracket fitting surface Milling Process by above-mentioned adjusting operation, improved universal performance of the present invention.In a word, processing when the present invention has realized two ends, rear torsion beam left and right wheel hub connection bracket installed surface, has product processing quality stable, the assurance ability is strong, the characteristics of low cost of manufacture, its operating efficiency is compared with traditional processing mode and is improved more than 60%, and manufacturing cost is only 1/10th of gantry type five axes numerical control lathe, has satisfied production demand, accelerate the beat that auto parts and components are produced, promoted the production capacity of enterprise.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
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 structure enlarged drawing 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 structure enlarged drawing 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, adjusting bearing, 5, milling unit head, 5-1, milling power head spindle sleeve, 6, cutter, 7, fixture, 8, milling unit head clamping screw, 9, the guide rail locating shaft, 10, the guide rail hold-down mechanism, 11, guide rail angle-adjusting mechanism, 12, base.
The specific embodiment
Referring to Fig. 1, Fig. 2, car related in the present embodiment is the assemble welding structure with rear torsion beam 1, 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 are 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 and guide rail 2 couplings, 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, band cutter 6 rotatablely moves, hydraulic pressure moving platform 3 of the present invention makes to come and go rectilinear motion by hydraulic oil cylinder driving along the guide rail 2 that is fixed on base 12, drive milling unit head 5 and complete the feed motion of cutter 6, realize thus the Milling Process to the workpiece machined surface.
Referring to Fig. 5, Fig. 6, milling unit head 5 main-shaft axis of the present invention and workpiece machined surface are α at vertical plane inner projection angle, with the toe-in angle coupling of processing work.The present invention can be by the adjusting to milling unit head pivot angle guiding mechanism 4 adjusting screw(rod) 4-1, promotion is fixed on the adjusting bearing 4-3 on the hydraulic pressure moving platform variable partition, make drive milling unit head 5 integral body and turn to proper angle along camber adjusting range R with hydraulic pressure moving platform variable partition 3-1 after, to adjust screw rod 4-1 locking, then fastening milling unit head clamping screw 8, firmly be connected milling unit head 5 with hydraulic pressure moving platform 3 under the state that keeps toe-in angle.
Referring to Fig. 7, Fig. 8, milling unit head 5 main-shaft axis of the present invention and workpiece machined surface are β at horizontal plane inner projection angle, with the camber angle coupling of processing work.The present invention can be by the adjustment bolt 11-1 in guide rail angle-adjusting mechanism 11, after making guide rail 2 rotate a proper angle take guide rail locating shaft 9 as the centre of gyration, with guide rail angle-adjusting mechanism 11 lockings, then the clamping rail hold-down mechanism 10, and guide rail 2 firmly is connected with base 1 under the state that keeps camber angle.
Referring to Fig. 9, the present invention can be by mating the rear torsion beam of different spans to the adjusting of milling unit head 5 rack sleeve 5-1 length, and realize the adjustment to workpiece symmetry.Its regulating step is: adjust rack sleeve 5-1 and return size L1 or stretch out size L2, satisfy workpiece span dimensional requirement, guarantee that simultaneously workpiece two ends equate with distance between center line L value, the rack sleeve 5-1 of locking workpiece both sides after adjustment is completed.
When the present invention works, by manually workpiece being put into hydraulically operated fixture, the operation control button, workpiece by Automatic-clamping after, Milling Process mechanism drives cutter 6 rotary cuttings, 3 straight reciprocating motions of hydraulic oil cylinder driving hydraulic pressure moving platform by the running of designing program by milling unit head 5, completes the Milling Process of workpiece.
Claims (6)
1. 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) and guide rail (2) coupling, described guide rail (2) is arranged on base (12).
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 1 and 2, it is characterized in that, described hydraulic pressure moving platform (3) is comprised of standing part (3-2) and variable partition (3-1), described standing part (3-2) bottom surface and guide rail (2) are equipped, its upper surface and variable partition (3-1) are equipped, described variable partition (3-1) and the fixing assembling of milling unit head (5), its bottom surface is the arc adjusting range R that mates with standing part (3-2), arranged outside milling unit head pivot angle guiding mechanism (4) at hydraulic pressure moving platform (3).
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 milling unit head pivot angle guiding mechanism (4) comprises hold-down support (4-2), adjusting screw(rod) (4-1) and adjusting 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 adjusting bearing (4-3), described adjusting bearing (4-3) is arranged on the sidewall of hydraulic pressure moving platform variable partition (3-1).
5. a kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) according to claim 4, it is characterized in that, described guide rail (2) is by guide rail hold-down mechanism (10) and guide rail locating shaft (9) and base (12) assembling, at the arranged outside guide rail angle-adjusting mechanism (11) of guide rail (2) front end.
6. a kind of automobile rear torsion beam wheel hub connection bracket fitting surface processing unit (plant) according to claim 5, it is characterized in that, described guide rail angle-adjusting mechanism (11) is provided with adjusts bolt (11-1) and bolt mount pad (11-2), described adjustment bolt (11-1) is equipped with bolt mount pad (11-2), adjusts bolt (11-1) afterbody and guide rail (2) lateral edges and conflicts.
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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 true CN103084635A (en) | 2013-05-08 |
| CN103084635B CN103084635B (en) | 2015-04-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551891A (en) * | 2013-10-18 | 2014-02-05 | 安徽万安汽车零部件有限公司 | Milling tool of automotive torsion beam brake disc installation end surface |
| CN104001975A (en) * | 2014-05-23 | 2014-08-27 | 苏州创丰精密五金有限公司 | Edge milling jig |
| CN105034790A (en) * | 2015-09-10 | 2015-11-11 | 安徽工程大学 | Electric automobile torsion girder type driving system and driving method of same |
| 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 |
| CN109434526A (en) * | 2018-12-29 | 2019-03-08 | 北京长城华冠汽车技术开发有限公司 | A kind of torsion beam Hub mounting surface end face mills special machine |
| CN110586995A (en) * | 2019-09-23 | 2019-12-20 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
| CN113579813A (en) * | 2021-08-18 | 2021-11-02 | 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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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103551891A (en) * | 2013-10-18 | 2014-02-05 | 安徽万安汽车零部件有限公司 | Milling tool of automotive torsion beam brake disc installation end surface |
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| CN105034790A (en) * | 2015-09-10 | 2015-11-11 | 安徽工程大学 | Electric automobile torsion girder type driving system and driving method of same |
| 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 |
| CN109434526A (en) * | 2018-12-29 | 2019-03-08 | 北京长城华冠汽车技术开发有限公司 | A kind of torsion beam Hub mounting surface end face mills special machine |
| 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 |
| CN110586995A (en) * | 2019-09-23 | 2019-12-20 | 中南林业科技大学 | Torsion beam wheel hub linking bridge assembly face processingequipment behind car |
| 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 |
| CN113579813A (en) * | 2021-08-18 | 2021-11-02 | 南京工程学院 | Double-sided sawing and milling machine tool for hub shaft end face of rear shaft assembly |
| 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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| CN103084635B (en) | 2015-04-22 |
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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. |