CN101462230B - General-purpose fastener automatic control screwing device of process for assembling drive axle assembly - Google Patents
General-purpose fastener automatic control screwing device of process for assembling drive axle assembly Download PDFInfo
- Publication number
- CN101462230B CN101462230B CN2009100100653A CN200910010065A CN101462230B CN 101462230 B CN101462230 B CN 101462230B CN 2009100100653 A CN2009100100653 A CN 2009100100653A CN 200910010065 A CN200910010065 A CN 200910010065A CN 101462230 B CN101462230 B CN 101462230B
- Authority
- CN
- China
- Prior art keywords
- tightening
- operating desk
- assembly
- axle assembly
- assembling
- 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.)
- Active
Links
Images
Landscapes
- Automatic Assembly (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention relates to a differential mechanism sub-assembly for a vehicle driving axle assembly, bolts in a main reducing gear assembly, and a fastening device of a nut type fastener. In order to finish the automatic tightening operations on the differential mechanism sub-assembly, the bolts in the main reducing gear assembly and a nut, the invention provides a universal fastener automatic control tightening device used in the assembling process of the driving axle assembly. The tightening device comprises a horizontal rotary operating board which is driven to ascend and descend by a lifting mechanism and is provided with a servo tightening mechanism, a tightening operating head, and a counter torque balance positioning head which keeps certain adjustable center distance with the servo tightening mechanism; and a driver of the servo tightening mechanism is connected with a communication interface of an electronic control unit. The technical proposal eliminates personal factors and the disturbing influence under the action of the counter torque in the assembly process to the utmost extent so as to ensure that the product technical requirement is used as a standard to improve the operation quality for the assembling production of the driving axle assembly and improve the operational efficiency.
Description
Technical field
What patent application of the present invention related to is in the automobile drive axle assembly assembling procedure bolt in differential mechanism sub-unit, the main gearbox assembly, nut class securing member to be implemented to tighten fastening operating means.
Background technology
One of crucial quality characteristic of the product of automobile drive axle assembly finished product is in assembling differential mechanism sub-unit and the main gearbox assembly bolt wherein, the screw-down torque value of nut fastener to be implemented effectively to control and make it to reach the product technology requirement.Differential mechanism sub-unit, main gearbox assembly are as the core component of automobile drive axle, differential mechanism sub-unit wherein is divided into monoblock type, split type two class package assemblies according to its inner planet gear quantity and installation method, the piece differential cage body is by direct fastening connection of one group of bolt and driven gear, as shown in Figure 5, after split type differential casing need adopt one group of bolt to attach together again by one group of bolt, nut and driven gear is fastening connects, as shown in Figure 6; Main gearbox assembly need connect left and right bearing gland and differential mechanism sub-unit respectively with four bolts with bevel housing is fastening, as shown in Figure 7.
Because of the drive axle assembly assembling product line adopts many kinds conllinear production model of taking turns, differential mechanism sub-unit, the bolt of main gearbox assembly, the also variation of nut installing space because of different types of structure, thereby cause bolt, nut screwing clamping work flow to be not quite similar, require just to bring suitable difficulty if make the assembling of two core parts reach product technology like this.Current automotive axle industry is still more tighted a bolt by the hand-held pneumatic impact spanner of production line operation personnel, nut, again through indicating the process operation of tabular form spanner verification screw-down torque value, this method mainly is based on operating personnel's working experience, bolt can usually appear, excessive or the too small and phenomenon that must do over again of nut screwing clamping moment values, but repeatedly tight a bolt, nut easily makes the threaded engagement precision be destroyed and the technical problem of potential failure mode occurs, production efficiency is also very low, especially in, in the middle of the assembling of heavy-duty car drive axle assembly, because its bolt, the nut screwing clamping moment values is higher and to react on the moment of operating personnel's both hands very big and more increased the difficulty of operating personnel's performance accuracy control, and its working strength is also very big.
In sum, existing automobile drive axle packaging technology method of operating can't guarantee the specification requirement of the assembling quality and the high efficiency of its core component.
Summary of the invention
The invention order of patent application of the present invention is to provide a kind of core component at the automobile drive axle assembly---implement bolt, nut in differential mechanism sub-unit, the main gearbox assembly assembling process and tighten and apply the screw-down torque value drive axle assembly general-purpose fastener automatic control screwing device of process for assembling of control automatically automatically, the application of this drive axle assembly general-purpose fastener automatic control screwing device of process for assembling has been guaranteed to require to apply, control bolt, nut screwing clamping moment values according to product technology.
The drive axle assembly general-purpose fastener automatic control screwing device of process for assembling technical scheme that the present patent application provides, its major technique content is: a kind of drive axle assembly general-purpose fastener automatic control screwing device of process for assembling, this device comprises an operating desk that horizontally rotates by elevating mechanism driving lifting, the hoistable platform of elevating mechanism is by two lift cylinder driven in synchronism liftings, two lift cylinders are installed on the base plate, base plate constitutes the coaster bracing frame by link arm and coaster base plate, be arranged on the coaster through the suspender installation, horizontally rotate operating desk and be arranged on hoistable platform through vertical spiral arm rotation, horizontally rotate operating desk and be provided with and servoly tighten mechanism and tighten operating head, this servo mechanism's driver of tightening is connected with the electronic control unit communication interface; Horizontally rotate on the operating desk, keep a tunable center apart from being provided with the reaction moment balance positioning head, this reaction moment balance positioning head transfer and locking and the servo mechanism's centre-to-centre spacing value of tightening in the gathering sill on horizontally rotating operating desk with the servo mechanism of tightening.
The drive axle assembly general-purpose fastener automatic control screwing device of process for assembling of patent application of the present invention, tighten the control that mechanism finishes bolt, nut screwing clamping and screw-down torque value by servo, and by the reaction force in the reaction moment balance positioning head balance rundown process of adjustable center distance, that has realized bolt, nut tightens operation and controllable operation automatically, thereby makes bolt, the nut actual screw-down torque value in the core component assembling process of automobile drive axle assembly meet the product technology requirement; The technical program configuration structure is reasonable, structure rigidity height, low cost of manufacture, and can be according to the differential mechanism sub-unit of different types of structure, main gearbox assembly comes the operation operating mode of guiding mechanism, with preset in the electronic control unit many cover moment standards finish tighten automatically and the balance countertorque control multinomial function, thereby eliminated human factor in the assembling procedure to greatest extent, the interference effect that also comprises the countertorque effect, assurance is that standard improves the operation quality that the assembling of drive axle assembly is produced with the product technology requirement, improve operating efficiency, also created condition for the technical purpose that realizes all kinds of automobile drive axle assembly standardization assemblings.The technical program also is applicable to the differential mechanism sub-unit of different types of structure, the assembling of main gearbox assembly, device for screwing up by the technical program is implemented effectively control to bolt, nut screwing clamping process, thereby realizes drive axle assembly assembling product line standardized work.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are respectively the package assembly cutaway views of all kinds of automobile drive axle assemblies
Fig. 5, Fig. 6 and Fig. 7 are suitable for this drive axle assembly general-purpose fastener automatic control screwing device of process for assembling to finish bolt, the differential mechanism sub-unit of nut screwing clamping operation, the structure cutaway view of main gearbox assembly
Fig. 8 is the production line work sheet of this drive axle assembly general-purpose fastener automatic control screwing device of process for assembling
Fig. 9 is the general assembly organigram of this drive axle assembly general-purpose fastener automatic control screwing device of process for assembling.
The specific embodiment
This drive axle assembly general-purpose fastener automatic control screwing device of process for assembling is a Mechano-electrically integrated control unit, comprise that one horizontally rotates operating desk 1 by what elevating mechanism drove lifting, as shown in Figure 9, vertical spiral arm 3 rotations that drive horizontally rotates operating desk 1 rotation are arranged on the hoistable platform 2, and hoistable platform 2 drives the synchronization liftings operation by two lift cylinders 4; The base plate 5 that installation is provided with two lift cylinders 4 constitutes the coaster bracing frame by link arm 6 and coaster base plate 7, be arranged on the coaster 9 through suspender 8 installations, thereby move by the pulley rail realization inter process that this coaster hangs and a whole set of this general-purpose fastener automatic control screwing device of travel mechanism's drive is set along automobile drive axle assembly assembling product line top.Servo tighten mechanism and tighten operating head be installed in and horizontally rotate on the operating desk 1, the servo driver of tightening mechanism 10 is connected with the electronic control unit communication interface, its electronic control unit is arranged in the electrical control cubicles 30; In this enforcement structure, coupling sleeve 12 rotates through needle bearing 16 and is arranged in the connection seat 11, connection seat 11 and the servo mechanism 10 corresponding two sides that horizontally rotate operating desk 1 that are fixedly mounted on of tightening, Hexagonal jacket 13 in coupling sleeve 12 outer ends are set with and tighten, handle 14 upper ends in the side's of connection are overlapped fixedly with servo output side's arbor of tightening mechanism 10, and suit connects, the lower end connects with coupling sleeve 12 inner fixedly suits, drive coupling sleeve 12 and rotate operation, common formation is tightened operating head, and the side's of connection handle 14 is provided with back-moving spring 15.Tighten application of force moment for being equilibrated at the servo mechanism 10 of tightening, be provided with the reaction moment balance positioning head in horizontally rotating operating desk 1, this reaction moment balance positioning head is made of balancing pole 18 and the positioning round orifice sleeve 22 that fixedly is installed in this balancing pole 18 lower ends, its balancing pole 18 and the sliding sleeve 17 axially directed settings that are slidingly matched, balancing pole 18 upper ends are provided with anticreep back-up ring 19, the bottom body of rod is provided with the stop bit bulge loop 21 that is contained in this body of rod back-moving spring 20 for engage sleeves, and sliding sleeve 17 is arranged at and horizontally rotates on the operating desk 1.Implement in the structure at accompanying drawing, for realizing this reaction moment balance positioning head and servo adjustable center distance of tightening 10 in mechanism, sliding sleeve 17 is in the adjustable center distance gathering sill 28 that horizontally rotates operating desk 1, drive by hand-screw leading screw 24, in gathering sill 28, move and realize and servo adjustment of tightening the centre-to-centre spacing of mechanism 10, one end supporting seat 23 of hand-screw leading screw 24 is fixed on the sliding sleeve 17, hand-screw leading screw 24 another screw thread supporting seats 25 are fixedly set in and horizontally rotate on the operating desk 1, rotate hand-screw leading screw 24 by handle and drive the centre-to-centre spacing value that sliding sleeves 17 and balancing pole 18 thereof move to requirement, and by cone pin 26 these centre-to-centre spacing positions of locking.The two symmetrical sides that horizontally rotate operating desk 1 are provided with operating grip and button box 27, according to ergonomics to make things convenient for servo mechanism 10, the reaction moment balance positioning head tightened of production line operation personnel accessible flexible operating in 360 ° of scopes.
The operating process of this drive axle assembly general-purpose fastener automatic control screwing device of process for assembling is:
Operating mode one, turn hand-screw leading screw 24 drives reaction moment balance positioning head position in gathering sill 28, make it consistent, by cone pin 26 location with the differential mechanism sub-unit of servo centre-to-centre spacing of tightening mechanism 10 and the assembling of waiting to reach the standard grade or the bolt in the main gearbox assembly, nut installing space;
Operating mode two, by the determined bolt of product technology requirement, the nut screwing clamping moment values of completed knocked down products, in electronic control unit default servo tighten mechanism moment scope maximum and the minimum of a value that should export;
Operating mode three, drive vertical spiral arm 3 and horizontally rotate operating desk 1 descending by lift cylinder 4, in making Hexagonal jacket 13 and circular hole sleeve 22 respectively with the bolt that is in diagonal positions, the tight suit of nut, start the servo mechanism 10 of tightening and drive that coupling sleeves 12 are finished bolt or nut is tightened work automatically, the reaction moment balance positioning head is realized tightening mechanism's 10 balance countertorque effects with servo;
Operating mode four, electronic control unit be through servo mechanism 10 changing conditions of monitoring bolts, nut screwing clamping moment values in real time of tightening, and the servo unit of tightening quits work when it reaches default moment values scope.As the moment peak value that monitors the rundown process appearance exceeds when presetting moment scope maximum or minimum of a value, then instruct the servo mechanism 10 of tightening to carry out that to unclamp bolt, nut program etc. pending, the display part by electronic control unit shows defective sound, light warning message again.
Claims (2)
1. drive axle assembly general-purpose fastener automatic control screwing device of process for assembling, it is characterized in that this device comprises that one horizontally rotates operating desk (1) by what elevating mechanism drove lifting, the hoistable platform of elevating mechanism (2) is by two lift cylinders (4) driven in synchronism lifting, two lift cylinders (4) are installed on the base plate (5), base plate (5) constitutes the coaster bracing frame by link arm (6) and coaster base plate (7), be arranged on the coaster (9) through suspender (8) installation, horizontally rotate operating desk and be arranged on hoistable platform (2) through vertical spiral arm (3) rotation, horizontally rotate operating desk and be provided with and servoly tighten mechanism (10) and tighten operating head, this servo mechanism's driver of tightening is connected with the electronic control unit communication interface; Horizontally rotate on the operating desk, keep a tunable center apart from being provided with the reaction moment balance positioning head, this reaction moment balance positioning head transfer and locking and the servo mechanism's centre-to-centre spacing value of tightening in the gathering sill (28) on horizontally rotating operating desk with the servo mechanism of tightening.
2. general-purpose fastener automatic control screwing device according to claim 1, it is characterized in that the reaction moment balance positioning head is made of balancing pole (18) and the positioning round orifice sleeve (22) that fixedly is installed in this balancing pole (18) lower end, the axially directed setting that is slidingly matched of balancing pole and sliding sleeve (17), the balancing pole upper end is provided with anticreep back-up ring (19), the bottom body of rod is provided with the stop bit bulge loop that is contained in this body of rod back-moving spring (20) for engage sleeves, sliding sleeve (17) is in the adjustable center distance gathering sill that horizontally rotates operating desk (1), drive by hand-screw leading screw (24), hand-screw leading screw one end supporting seat (23) is fixed on the sliding sleeve (17), another screw thread supporting seat (25) of hand-screw leading screw (24) is fixedly set in and horizontally rotates on the operating desk, by cone pin (26) locked-center apart from the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100100653A CN101462230B (en) | 2009-01-09 | 2009-01-09 | General-purpose fastener automatic control screwing device of process for assembling drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100100653A CN101462230B (en) | 2009-01-09 | 2009-01-09 | General-purpose fastener automatic control screwing device of process for assembling drive axle assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101462230A CN101462230A (en) | 2009-06-24 |
| CN101462230B true CN101462230B (en) | 2010-12-01 |
Family
ID=40803146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100100653A Active CN101462230B (en) | 2009-01-09 | 2009-01-09 | General-purpose fastener automatic control screwing device of process for assembling drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101462230B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756269B (en) * | 2012-05-21 | 2015-07-15 | 大连嘉禾自控技术有限公司 | Four-shaft spacing-variable bolt tightening device |
| CN103846669B (en) * | 2012-12-07 | 2017-09-26 | 哈尔滨恒誉名翔科技有限公司 | A kind of epicyclic gearbox output shaft round nut tightens assembling and moment measuring device |
| CN103350341A (en) * | 2012-12-31 | 2013-10-16 | 青特集团有限公司 | Differential bearing preload adjusting device |
| CN107107225B (en) * | 2014-12-18 | 2019-03-19 | 格里森工场 | Cutter building and finishing machine |
| CN105058035B (en) * | 2015-08-05 | 2017-05-10 | 安徽巨一自动化装备有限公司 | Twisting and measuring machine for main cone nut of drive axle assembly |
| CN105171400B (en) * | 2015-09-28 | 2019-01-01 | 北京泰诚信测控技术股份有限公司 | A kind of differential mechanism sub-unit driven gear fastener for bolt |
| CN105666110B (en) * | 2016-03-25 | 2018-04-20 | 神龙汽车有限公司 | A kind of device for screwing up for vehicle assembling |
| CN112427916A (en) * | 2020-12-15 | 2021-03-02 | 青岛力鼎自动化设备有限公司 | Automatic loading and unloading device for axle housing balance block |
| CN114102117B (en) * | 2021-12-17 | 2022-05-03 | 嘉应学院 | Intelligent manufacturing production device based on industrial equipment |
-
2009
- 2009-01-09 CN CN2009100100653A patent/CN101462230B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101462230A (en) | 2009-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101462230B (en) | General-purpose fastener automatic control screwing device of process for assembling drive axle assembly | |
| CN104148918B (en) | A kind of amortisseur pressing machine | |
| CN100591468C (en) | Automatic error-proof external connection assembly device and assembly method for automobile shock absorber | |
| CN108044341B (en) | A kind of mobile attaching/detaching apparatus for the dismounting of large scale equipment bottom bolts | |
| CN109158865A (en) | A kind of automatic screwing device | |
| CN100582721C (en) | Screwing and clearance adjusting assembling platform of automobile main reduction gear | |
| CN103522048A (en) | Workpiece gland detaching and installing machine | |
| CN201952197U (en) | Scissor-type lifting device of aerial work platform with security support in maintenance | |
| CN202438822U (en) | Tightening machine | |
| CN117961518A (en) | Fixing mechanism | |
| CN206839501U (en) | One kind assembling positioner device | |
| CN203526933U (en) | Torque-adjustable oil cylinder wrenching device for wrenching oil cylinder threaded connection structure | |
| CN206998245U (en) | Oil-pressure damper decomposes, assembling tightening machine | |
| CN207189139U (en) | A kind of Fully-automatic lock screw device | |
| EP3037286B1 (en) | Assembly and disassembly device for automobile tire | |
| CN212919155U (en) | Bolt fastening auxiliary tool used on power transmission line iron tower | |
| CN204935054U (en) | Semi-automatic bolt tightening machine | |
| CN206899147U (en) | A kind of pre- clamping tool of bolt and nut | |
| CN110961904A (en) | Automatic rotary riveting double-station equipment | |
| CN103758936B (en) | Double-station torque multiplier | |
| CN106043500B (en) | A kind of front cover for vehicle installs centering fastener | |
| CN205447129U (en) | Mechanical type machine depressed place platform stabilizer | |
| CN103737308B (en) | A kind of bleed screw assembly machine | |
| CN109759827A (en) | A kind of multiaxis twists bolt device automatically | |
| CN221247657U (en) | Automatic screwing device for preventing surface damage of screw thread part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |