CN104690576A - Tooling for machining bus final drive casing by VMC (vertical machining center) - Google Patents

Tooling for machining bus final drive casing by VMC (vertical machining center) Download PDF

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Publication number
CN104690576A
CN104690576A CN201410706910.1A CN201410706910A CN104690576A CN 104690576 A CN104690576 A CN 104690576A CN 201410706910 A CN201410706910 A CN 201410706910A CN 104690576 A CN104690576 A CN 104690576A
Authority
CN
China
Prior art keywords
angle
auxiliary
bevel housing
main
cylinder
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.)
Pending
Application number
CN201410706910.1A
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Chinese (zh)
Inventor
王志聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Jingyida Auto Parts Co Ltd
Original Assignee
Zhengzhou Jingyida Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Jingyida Auto Parts Co Ltd filed Critical Zhengzhou Jingyida Auto Parts Co Ltd
Priority to CN201410706910.1A priority Critical patent/CN104690576A/en
Publication of CN104690576A publication Critical patent/CN104690576A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated

Abstract

The invention relates to a tooling for machining a bus final drive casing by a VMC (vertical machining center). According to the tooling, a plurality of machining surfaces of the bus final drive casing can be machined by the VMC through one-time clamping; the final drive casing is positioned in a one-surface, one-pin and one-angular-orientation positioning mode formed by a small end surface, a bearing hole and an angular orientation positioning mechanism of the final drive casing; the final drive casing is clamped through axial compression of a bearing hole inner end surface of the final drive casing as well as circumferential clamping of circumferential five-point auxiliary clamping; the positioning is accurate, the clamping is firm, the machining requirement of the final drive casing is met, the product quality of a final drive assembly is improved, correspondingly, the service life of a bus drive axle is prolonged, and the traveling safety of a bus and taking comfort of a passenger are improved.

Description

Vertical machining centre processing passenger vehicle bevel housing frock
technical field:
The present invention relates to passenger vehicle main reducing gear processing technique field, be specifically related to one and utilize vertical machining centre to process passenger vehicle bevel housing frock.
background technology:
Passenger vehicle main gearbox assembly is positioned at the middle-end of vehicle power train, is the core component on passenger vehicle drive axle, and it is mainly used in the input of power, decomposition and output.And bevel housing is the vital part of main gearbox assembly, its major function supports the parts such as master bevel gear, support differential mechanism, also have simultaneously to carry out with axle housing connecting, the function such as heat radiation, therefore, can the height of bevel housing crudy normally work for main gearbox assembly and play vital impact.If bevel housing crudy is lower, easily cause following consequence:
1), the in-built active and passive gear of bevel housing can not correct engagement, easily causes gear transmission noises, and then causes gear premature wear or break of gear tooth, affect the safety traffic of passenger vehicle;
2), easily change the stress of the in-built bearing of bevel housing, reduce the service life of differential bearing;
3), the risk that in use procedure, product disintegrates suddenly may be there is.
Therefore, the frock clamp of bevel housing in process, plays extremely important effect at bevel housing work in-process.
Single according to the product category of bevel housing, the productive prospecting that output is large, existing bevel housing processing enterprise still adopts traditional processing technology to process bevel housing, procedure of processing is many, processing technology is complicated, production efficiency is low, for enhancing productivity, passenger vehicle bevel housing manufacturing enterprise introduces vertical machining centre, reducer shell is processed by vertical machining centre, vertical machining centre is once installed the processing of multiple machined surfaces that can complete bevel housing, reduce the operations such as the transhipment in parts machining process, save labour, reduce production cost, production efficiency is high, but, existing vertical machining centre lacks the special frock clamp of processing bevel housing, there is clamping difficulty in existing frock clamp, locate accurate not, complex structure and other problems.
summary of the invention:
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of vertical machining centre processing passenger vehicle bevel housing frock, clamped one time, the processing of vertical machining centre to multiple machined surfaces of passenger vehicle bevel housing can be realized, by the small end face of bevel housing, dead eye, the locate mode that angle detent mechanism is formed " one side one pin one angle ", realize the location to bevel housing, the clamping to reducer shell is realized by the axial compression of bevel housing dead eye inner face and the circumference clamping of circumference 5 auxiliary clamps, registration, clamping is firm, thus ensure the processing request of bevel housing, improve the product quality of main gearbox assembly, the corresponding service life that improve passenger vehicle drive axle, the comfortableness that the security of bus driving and passenger take.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of vertical machining centre processing passenger vehicle bevel housing frock, wherein: comprise base plate, positioning seat, main hold down gag, angle positioner and auxiliary hold down gag, base plate is fixed on the operating platform of vertical machining centre, positioning seat is fixed on the middle part of base plate, angle positioner is arranged on the right side of base plate, the five auxiliary hold down gag of cover rounded distributions on base plate, the small end face of positioning seat location bevel housing and dead eye, main hold down gag compresses the inner face of the dead eye of bevel housing, positioner angle location, angle bevel housing, outer fin in the middle part of five covers auxiliary hold down gag supplemental support clamping bevel housing.
Technical scheme of the present invention can also be achieved in that described positioning seat comprises positioning base and location-plate, positioning base is fixed in the middle part of base plate, location-plate is bolted on positioning base, endoporus is provided with in described positioning base and location-plate, the cross sectional shape of described location-plate is taper type, and positioning seat locates dead eye and the small end face of bevel housing by the location-plate of taper type.
Technical scheme of the present invention can also be achieved in that described main hold down gag comprises main compressed oil cylinder, main clamping arm and main pressure strip, described main compressed oil cylinder is arranged in the endoporus of positioning base, the expansion link of main compressed oil cylinder is connected with main clamping arm, main clamping arm is provided with main pressure strip, and main compressed oil cylinder drives main pressure strip to compress the inner face of the dead eye of bevel housing by main clamping arm.
Technical scheme of the present invention can also be achieved in that the top of described main clamping arm is provided with clamp nut, arranges backing plate between clamp nut and main pressure strip.
Technical scheme of the present invention can also be achieved in that described backing plate is opening backing plate, and opening backing plate and main pressure strip pass through pinned connection.
Technical scheme of the present invention can also be achieved in that described auxiliary hold down gag comprises auxiliary pressure base, support cylinder, back-up block, auxiliary compressing cylinder and auxiliary briquetting, five auxiliary pressure bases circular distribution on base plate, auxiliary pressure base is fixed with support cylinder and auxiliary compressing cylinder, support cylinder is vertically arranged, the expansion link of support cylinder is provided with back-up block, back-up block supports the bottom surface of the outer fin of bevel housing, auxiliary compressing cylinder is horizontally disposed with, the expansion link of auxiliary compressing cylinder is provided with auxiliary briquetting, auxiliary briquetting clamps the periphery of the outer fin of bevel housing under the drive of auxiliary compressing cylinder.
Technical scheme of the present invention can also be achieved in that described angle positioner comprises angle positioning base, angle positional cylinder, angle registration arm, hinge and angle locating piece, angle positioning base is fixed on base plate, angle locating piece is provided with angle positional cylinder, the expansion link of angle positional cylinder is connected through the hinge angle registration arm, the front end of angle registration arm is provided with angle locating piece, and angle positional cylinder realizes locating piece angle location, angle bevel housing by driving angle registration arm to move left and right.
Beneficial effect of the present invention is:
1, the present invention is by the small end face of bevel housing, dead eye, the locate mode that angle detent mechanism is formed " one side one pin one angle ", realize the location to bevel housing, the clamping to reducer shell is realized by the axial compression of bevel housing dead eye inner face and the circumference clamping of circumference 5 auxiliary clamps, registration, clamping is firm, thus ensure the processing request of bevel housing, improve the product quality of main gearbox assembly, the corresponding service life that improve passenger vehicle drive axle, the comfortableness that the security of bus driving and passenger take.
2, positioning seat of the present invention comprises positioning base and location-plate, for Split type structure, change the main compressed oil cylinder of location-plate and different stroke in actual use, can process different types of bevel housing, reducing the adjustment of positioning seat and main hold down gag, effectively shortening the cycle of frock clamp when changing product, the uniformity of the Product processing of lifting, labor strength lowers greatly, effectively improves production efficiency.
3, the present invention adopts main hold down gag to compress the inner face of bevel housing dead eye and the outer fin of five cover hydraulic pressure auxiliary hold down gag supplemental support and circumference clamping bevel housing, effectively add rigidity during work pieces process, workpiece is not easily deformed adding man-hour, thus ensure that the machining accuracy of bevel housing.
4, structure of the present invention is simple, easy to operate, and stable performance is safe and reliable, facilitates vertical machining centre to the accurate processing of bevel housing, effectively can improve working (machining) efficiency, reduces labor strength.
accompanying drawing illustrates:
Fig. 1 is the structural representation of passenger vehicle bevel housing to be processed;
Fig. 2 is the A-A cross-sectional schematic of Fig. 1;
Fig. 3 is structural representation of the present invention;
Fig. 4 is the schematic top plan view of Fig. 3 of the present invention;
Fig. 5 is the B-B cross-sectional schematic of Fig. 4 of the present invention;
Fig. 6 is the C-C cross-sectional schematic of Fig. 4 of the present invention;
Fig. 7 is the D-D cross-sectional schematic of Fig. 4 of the present invention.
detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Fig. 1 ~ 7, a kind of vertical machining centre processing passenger vehicle bevel housing frock, comprise base plate 1, positioning seat 2, main hold down gag 3, angle positioner 4 and auxiliary hold down gag 5, base plate 1 is fixed on the operating platform of vertical machining centre, positioning seat 2 is fixed on the middle part of base plate 1, positioning seat 2 locates small end face 7 and the dead eye 6 of bevel housing, positioning seat 2 comprises positioning base 8 and location-plate 9, positioning base 8 is fixed in the middle part of base plate 1, location-plate 9 is bolted on positioning base 8, endoporus is provided with in described positioning base 8 and location-plate 9, endoporus is for installing the main compressed oil cylinder 10 of main hold down gag 3, the cross sectional shape of described location-plate 9 is taper type, positioning seat 2 locates dead eye 6 and the small end face 7 of bevel housing by the location-plate 9 of taper type.
As Fig. 3, shown in Fig. 5, described angle positioner 4 is arranged on the right side of base plate 1, angle positioner 4 angle location bevel housing, angle positioner 4 comprises angle positioning base 20, angle positional cylinder 21, angle registration arm 22, hinge 23 and angle locating piece 24, angle positioning base 20 is fixed on base plate 1, angle locating piece 24 is provided with angle positional cylinder 21, the expansion link of angle positional cylinder 21 is by hinge 23 joint angle registration arm 22, the front end of angle registration arm 22 is provided with angle locating piece 24, angle positional cylinder 21 realizes angle locating piece 24 angle location bevel housing by driving angle registration arm 22 to move left and right.
As Fig. 3, shown in Fig. 6, described main hold down gag 3 compresses the inner face of the dead eye 6 of bevel housing, main hold down gag 3 comprises main compressed oil cylinder 10, main clamping arm 11, main pressure strip 12 and backing plate 13, described main compressed oil cylinder 10 is arranged in the endoporus of positioning base 8, the expansion link of main compressed oil cylinder 10 is connected with main clamping arm 11, main clamping arm 11 is provided with main pressure strip 12, main compressed oil cylinder 10 drives main pressure strip 12 to compress dead eye 6 inner face of bevel housing by main clamping arm 11, the top of described main clamping arm 11 is provided with clamp nut 14, backing plate 13 is set between clamp nut 14 and main pressure strip 12, backing plate 13 is opening backing plate 13, opening backing plate 13 and main pressure strip 12 pass through pinned connection, backing plate 13 can rotate around bearing pin, main clamping arm 11 installs in the opening of backing plate 13, thus handled easily.
As Fig. 3, the five auxiliary hold down gag 5 of cover rounded distributions on base plate 1 described in Fig. 7, outer fin 25 in the middle part of five covers auxiliary hold down gag 5 supplemental support clamping bevel housing, auxiliary hold down gag 5 comprises auxiliary pressure base 15, support cylinder 16, back-up block 17, auxiliary compressing cylinder 18 and auxiliary briquetting 19, five auxiliary pressure bases 15 circular distribution on base plate 1, auxiliary pressure base 15 is fixed with support cylinder 16 and auxiliary compressing cylinder 18, support cylinder 16 is vertically arranged, the expansion link of support cylinder 16 is provided with back-up block 17, back-up block 17 supports the bottom surface of the outer fin 25 of bevel housing, auxiliary compressing cylinder 18 is horizontally disposed with, the expansion link of auxiliary compressing cylinder 18 is provided with auxiliary briquetting 19, auxiliary briquetting 19 clamps the periphery of the outer fin 25 of bevel housing under the drive of auxiliary compressing cylinder 18.Described auxiliary briquetting 19 arranges arc clamping slot, when reality uses, the outer fin 25 of bevel housing can be clamped in arc clamping slot.
During use, bevel housing to be processed is put into above the location-plate 9 of frock by operative employee, ensure the small end face 7 of bevel housing and the three degree of freedom of the sturdy restriction bevel housing of locating surface of location-plate 9, bevel housing dead eye 6 is utilized to coordinate two frees degree limiting bevel housing with the outer diameter of axle of location-plate 9, utilize angle positioner 4 to limit workpiece one degree of freedom, location is terminated.
Start main compressed oil cylinder 10, main compressed oil cylinder 10 drives main clamping arm 11 to move, thus main pressure strip 12 is moved down, compress the inner face of bevel housing dead eye 6, thus realize the axial compression of bevel housing, start support cylinder 16 and auxiliary compressing cylinder 18, the expansion link of support cylinder 16 stretches out, back-up block 17 is driven to support the bottom surface of the outer fin 25 of bevel housing, the expansion link of five auxiliary compressing cylinders 18 stretches out, drive the periphery of the outer fin 25 of auxiliary briquetting 19 auxiliary clamp bevel housing, main compressed oil cylinder 10, auxiliary compressing cylinder 18 and support cylinder 16 cooperatively interact, bevel housing is made to be in the device that is fixed and clamped, be convenient to vertical machining centre process bevel housing.So far the clamping of bevel housing is completed, then start vertical machining centre to process reducer shell, after completion of processing, main compressed oil cylinder 10, auxiliary compressing cylinder 18, support cylinder 16 and angle positional cylinder 21 return original position, and operator hangs the bevel housing after processing.
Be noted that, above-described embodiment is unrestricted to the explanation of technical solution of the present invention, the equivalent replacement of art those of ordinary skill or other amendment made according to prior art, as long as do not exceed thinking and the scope of technical solution of the present invention, all should be included within interest field of the presently claimed invention.

Claims (7)

1. a vertical machining centre processing passenger vehicle bevel housing frock, it is characterized in that: comprise base plate (1), positioning seat (2), main hold down gag (3), angle positioner (4) and auxiliary hold down gag (5), base plate (1) is fixed on the operating platform of vertical machining centre, positioning seat (2) is fixed on the middle part of base plate (1), angle positioner (4) is arranged on the right side of base plate (1), the five auxiliary hold down gag of covers (5) are in the upper rounded distribution of base plate (1), the small end face (7) of positioning seat (2) location bevel housing and dead eye (6), main hold down gag (3) compresses the inner face of the dead eye (6) of bevel housing, angle positioner (4) angle location bevel housing, outer fin (25) in the middle part of five cover auxiliary hold down gag (5) supplemental support clamping bevel housings.
2. vertical machining centre processing passenger vehicle bevel housing frock according to claim 1, it is characterized in that: described positioning seat (2) comprises positioning base (8) and location-plate (9), positioning base (8) is fixed on base plate (1) middle part, location-plate (9) is bolted on positioning base (8), endoporus is provided with in described positioning base (8) and location-plate (9), the cross sectional shape of described location-plate (9) is taper type, positioning seat (2) locates dead eye (6) and the small end face (7) of bevel housing by the location-plate (9) of taper type.
3. vertical machining centre processing passenger vehicle bevel housing frock according to claim 1, it is characterized in that: described main hold down gag (3) comprises main compressed oil cylinder (10), main clamping arm (11) and main pressure strip (12), described main compressed oil cylinder (10) is arranged in the endoporus of positioning base (8), the expansion link of main compressed oil cylinder (10) is connected with main clamping arm (11), main clamping arm (11) is provided with main pressure strip (12), main compressed oil cylinder (10) drives main pressure strip (12) to compress the inner face of the dead eye (6) of bevel housing by main clamping arm (11).
4. vertical machining centre processing passenger vehicle bevel housing frock according to claim 3, it is characterized in that: the top of described main clamping arm (11) is provided with clamp nut (14), arranges backing plate (13) between clamp nut (14) and main pressure strip (12).
5. vertical machining centre processing passenger vehicle bevel housing frock according to claim 4, it is characterized in that: described backing plate (13) is opening backing plate, opening backing plate (13) and main pressure strip (12) pass through pinned connection.
6. vertical machining centre processing passenger vehicle bevel housing frock according to claim 1, it is characterized in that: described auxiliary hold down gag (5) comprises auxiliary pressure base (15), support cylinder (16), back-up block (17), auxiliary compressing cylinder (18) and auxiliary briquetting (19), five auxiliary pressure bases (15) are in the upper circular distribution of base plate (1), auxiliary pressure base (15) is fixed with support cylinder (16) and auxiliary compressing cylinder (18), support cylinder (16) is vertically arranged, the expansion link of support cylinder (16) is provided with back-up block (17), back-up block (17) supports the bottom surface of the outer fin (25) of bevel housing, auxiliary compressing cylinder (18) is horizontally disposed with, the expansion link of auxiliary compressing cylinder (18) is provided with auxiliary briquetting (19), auxiliary briquetting (19) clamps the periphery of the outer fin (25) of bevel housing under the drive of auxiliary compressing cylinder (18).
7. vertical machining centre processing passenger vehicle bevel housing frock according to claim 1, it is characterized in that: described angle positioner (4) comprises angle positioning base (20), angle positional cylinder (21), angle registration arm (22), hinge (23) and angle locating piece (24), angle positioning base (20) is fixed on base plate (1), angle locating piece (24) is provided with angle positional cylinder (21), the expansion link of angle positional cylinder (21) is by hinge (23) joint angle registration arm (22), the front end of angle registration arm (22) is provided with angle locating piece (24), angle positional cylinder (21) realizes angle locating piece (24) angle location bevel housing by driving angle registration arm (22) to move left and right.
CN201410706910.1A 2014-12-01 2014-12-01 Tooling for machining bus final drive casing by VMC (vertical machining center) Pending CN104690576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410706910.1A CN104690576A (en) 2014-12-01 2014-12-01 Tooling for machining bus final drive casing by VMC (vertical machining center)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410706910.1A CN104690576A (en) 2014-12-01 2014-12-01 Tooling for machining bus final drive casing by VMC (vertical machining center)

Publications (1)

Publication Number Publication Date
CN104690576A true CN104690576A (en) 2015-06-10

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Cited By (4)

* Cited by examiner, † Cited by third party
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
CN107791066A (en) * 2017-11-29 2018-03-13 滁州悦达实业有限公司 A kind of gear box casing milling faying face fixture and its application method
CN113909951A (en) * 2021-11-18 2022-01-11 包头北奔重汽桥箱有限公司 Heavy truck drive axle final drive casing assembly adds clamping apparatus
CN113927328A (en) * 2021-09-29 2022-01-14 青岛青特众力车桥有限公司 Axle speed reducer shell boss structure and machining clamp thereof

Cited By (4)

* Cited by examiner, † Cited by third party
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
CN107791066A (en) * 2017-11-29 2018-03-13 滁州悦达实业有限公司 A kind of gear box casing milling faying face fixture and its application method
CN113927328A (en) * 2021-09-29 2022-01-14 青岛青特众力车桥有限公司 Axle speed reducer shell boss structure and machining clamp thereof
CN113909951A (en) * 2021-11-18 2022-01-11 包头北奔重汽桥箱有限公司 Heavy truck drive axle final drive casing assembly adds clamping apparatus

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Application publication date: 20150610