CN104384910A - MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts - Google Patents
MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts Download PDFInfo
- Publication number
- CN104384910A CN104384910A CN201410503825.5A CN201410503825A CN104384910A CN 104384910 A CN104384910 A CN 104384910A CN 201410503825 A CN201410503825 A CN 201410503825A CN 104384910 A CN104384910 A CN 104384910A
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- China
- Prior art keywords
- servo
- actuating device
- axle
- slide unit
- tighten
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts. The MDOF pitch control mechanism is characterized in that multiple groups of servo driving mechanisms are arranged in the same plane, and the multiple groups of servo driving mechanisms are used for mutually and independently driving each tightening shaft to reach a set position. According to the MDOF pitch control mechanism disclosed by the invention, a tightening machine can be adapted to tightening of various bolts which are irregularly arranged, the MDOF pitch control mechanism is particularly suitable for automatic tightening of bolts of a bearing seat of a main speed reducer, and larger flexibility is obtained.
Description
Technical field
The present invention relates to one and tighten axle multiple degrees of freedom pitch-changing mechanism, more particularly be applied in main reducing gear bearing block bolt center distance change and bolt to distribute in irregular situation, complete the conversion of bearing block assembling process twin shaft centre-to-centre spacing and angle, thus complete different centre-to-centre spacing and a kind of pitch-changing mechanism tightened of the bolt of irregular distribution.
Background technology
In the poor housing assy assembling process of main reducing gear of drive axle, there is a large amount of bolts to tighten, adopt twin shaft tightening machine to carry out tightening operation and rundown process can be made quicker.From the scope adapting to product, twin shaft tightening machine has two kinds of forms, and one is special in certain product design, and it is non-adjustable that it tightens axle centre-to-centre spacing; Another kind is that the centre-to-centre spacing of tightening axle can regulate within the specific limits, but makes it can be used for tightening the bolt group with different centre-to-centre spacing bolt symmetries by regulating, but also has some bolts to be among mal-distribution.And for this mal-distribution, namely distance adjustor of the prior art cannot meet the demands.
Summary of the invention
The present invention is the weak point for avoiding existing for above-mentioned prior art, one is provided to tighten axle multiple degrees of freedom pitch-changing mechanism, being applied in main reducing gear bearing block bolt center distance change and bolt distributes in irregular situation, complete the conversion of bearing block assembling process twin shaft centre-to-centre spacing and angle, thus realize different centre-to-centre spacing and the tightening of the bolt of irregular distribution.
The present invention is that technical solution problem adopts following technical scheme:
The design feature that the present invention tightens axle multiple degrees of freedom pitch-changing mechanism is: arrange in same plane and organize servo-actuating device more, and described many group servo drive systems drive independently of each other respectively tightens axle arrival desired location.
The design feature that the present invention tightens axle multiple degrees of freedom pitch-changing mechanism is also:
Described axle of tightening is two that be arranged in parallel, first tighten axle and second and tighten axle respectively, described servo-actuating device is four groups, is that an X is to servo-actuating device, the first Y-direction servo-actuating device, the 2nd X to servo-actuating device and the second Y-direction servo-actuating device first respectively;
A described X to servo-actuating device for drive first tighten axle X to position adjustment;
Described first Y-direction servo-actuating device adjusts in the position of Y-direction for driving first to tighten axle;
Described 2nd X to servo-actuating device for drive second tighten axle X to position adjustment;
Described second Y-direction servo-actuating device adjusts in the position of Y-direction for driving second to tighten axle;
The design feature that the present invention tightens axle multiple degrees of freedom pitch-changing mechanism is also:
Described first tightens axle is slidably matched to slide block and an X direction guiding rail by an X, a described X direction guiding rail is fixedly installed on the first Y-direction slide unit, described first Y-direction slide unit coordinates with the first Y-direction slide, and described first Y-direction guide rail is fixedly installed on total slide unit;
Described second tightens axle is slidably matched to slide block and the 2nd X direction guiding rail by the 2nd X, described 2nd X guide rail is fixedly installed on the second Y-direction slide unit, described second Y-direction slide unit coordinates with the second Y-direction slide, and described second Y-direction guide rail is fixedly installed on total slide unit;
Described four groups of servo-actuating devices are set to:
A described X slides on an X direction guiding rail to slide block to servo-actuating device for driving a described X;
Described 2nd X slides on the 2nd X direction guiding rail to slide block to servo-actuating device for driving described 2nd X;
Described first Y-direction servo-actuating device is for driving described first Y-direction slide unit at the first Y-direction slide on rails;
Described second Y-direction servo-actuating device is for driving described second Y-direction slide unit at the second Y-direction slide on rails.
The design feature that the present invention tightens axle multiple degrees of freedom pitch-changing mechanism is also: described four groups of servo-actuating devices are by the feed screw nut pair of driven by servomotor.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention is applied in main reducing gear bearing block bolt center distance change and bolt and distributes in irregular situation, can complete the conversion of bearing block assembling process twin shaft centre-to-centre spacing and angle, thus realizes different centre-to-centre spacing and the tightening of the bolt of irregular distribution.
2, the present invention tightens axle accurate positioning, easy to operate by Serve Motor Control.
3, the present invention reasonably utilizes servomotor can pinpoint principle, controls the position of tightening axle with it.
Accompanying drawing explanation
Fig. 1 is top view structural representation of the present invention.
Number in the figure: 11 first tighten axle, 12 the one X to slide block, 13 the one X direction guiding rails, 14 first Y-direction slide units, 15 first Y-direction guide rails, 16 the one X are to driving servomotor, 17 first Y-directions drive servomotor, 21 second tighten axle, 22 the 2nd X to slide block, 23 the 2nd X direction guiding rails, 24 second Y-direction slide units, 25 second Y-direction guide rails, 26 the 2nd X drive servomotor, 3 total slide units to driving servomotor, 27 second Y-directions.
Detailed description of the invention
See Fig. 1, tighten axle multiple degrees of freedom pitch-changing mechanism in the present embodiment is arrange to organize servo-actuating device in same plane more, and many group servo drive systems drive independently of each other respectively tightens axle arrival desired location.
Axle of tightening shown in Fig. 1 is two that be arranged in parallel, first tighten axle 11 and second and tighten axle 21 respectively, servo-actuating device is four groups, be respectively an X to servo-actuating device, the first Y-direction servo-actuating device, the 2nd X to servo-actuating device and the second Y-direction servo-actuating device the first, wherein:
One X to servo-actuating device for drive first tighten axle 11 X to position adjustment;
First Y-direction servo-actuating device adjusts in the position of Y-direction for driving first to tighten axle 11;
2nd X to servo-actuating device for drive second tighten axle 21 X to position adjustment;
Second Y-direction servo-actuating device adjusts in the position of Y-direction for driving second to tighten axle 21;
In concrete enforcement, corresponding vibrational power flow is:
First tightens axle 11 is slidably matched to slide block 12 and an X direction guiding rail 13 by an X, one X direction guiding rail 13 is fixedly installed on the first Y-direction slide unit 14, first Y-direction slide unit 14 and the first Y-direction guide rail 15 are slidably matched, and the first Y-direction guide rail 15 is fixedly installed on total slide unit 3.
Second tightens axle 21 is slidably matched to slide block 22 and the 2nd X direction guiding rail 23 by the 2nd X, 2nd X guide rail 23 is fixedly installed on the second Y-direction slide unit 24, second Y-direction slide unit 24 and the second Y-direction guide rail 25 are slidably matched, and the second Y-direction guide rail 25 is fixedly installed on total slide unit 3.
Four groups of servo-actuating devices are set to:
One X slides on an X direction guiding rail 13 to slide block 12 to servo-actuating device for driving an X;
2nd X slides on the 2nd X direction guiding rail 23 to slide block 22 to servo-actuating device for driving the 2nd X;
First Y-direction servo-actuating device slides on the first Y-direction guide rail 15 for driving the first Y-direction slide unit 14;
Second Y-direction servo-actuating device slides on the second Y-direction guide rail 25 for driving the second Y-direction slide unit 24.
In the present embodiment, four groups of servo-actuating devices are by the feed screw nut pair of driven by servomotor, an X direction guiding rail 13 wherein, the 2nd X direction guiding rail 23, first Y-direction guide rail 15 and the second Y-direction guide rail 25 are screw mandrel, and the nut be equipped with each screw mandrel is fixedly connected respectively at each slide block; Such as: be that an X is to screw mandrel with an X direction guiding rail 13 shown in Fig. 1, then there is an X to driving servomotor 16 for driving an X to the rotation of screw mandrel, the nut edge be equipped with to screw mandrel with an X is that an X moves axially to screw mandrel, and drive an X to the movement of slide block 12 with this, realize the first X tightening axle 11 to position adjustment.Other each servo-actuating device, based on the same kind of drive, is drive servomotor 17 and the second Y-direction to drive servomotor 27 for power with the 2nd X to driving servomotor 26, first Y-direction respectively, realizes respective adjustment.
The bolt automatic tightening that axle multiple degrees of freedom pitch-changing mechanism is particularly suited for irregular distribution is tightened in the present embodiment.
After needing the replacement of products tightened, respectively shaft position is tightened by bolt profile set, adjust each servo-actuating device respectively by the desired location respectively tightening axle to drive and tighten axle and move on the position of specifying, thus reach the object of carrying out location automatically for irregular different cultivars.
Claims (4)
1. tighten an axle multiple degrees of freedom pitch-changing mechanism, it is characterized in that: arrange in same plane and organize servo-actuating device more, described many group servo drive systems drive independently of each other respectively tightens axle arrival desired location.
2. according to claim 1ly tighten axle multiple degrees of freedom pitch-changing mechanism, it is characterized in that:
Described axle of tightening is two that be arranged in parallel, first tighten axle (11) and second and tighten axle (21) respectively, described servo-actuating device is four groups, is that an X is to servo-actuating device, the first Y-direction servo-actuating device, the 2nd X to servo-actuating device and the second Y-direction servo-actuating device respectively;
A described X to servo-actuating device for drive first tighten axle (11) X to position adjustment;
Described first Y-direction servo-actuating device adjusts in the position of Y-direction for driving first to tighten axle (11);
Described 2nd X to servo-actuating device for drive second tighten axle (21) X to position adjustment;
Described second Y-direction servo-actuating device adjusts in the position of Y-direction for driving second to tighten axle (21).
3. according to claim 2ly tighten axle multiple degrees of freedom pitch-changing mechanism, it is characterized in that:
Described first tightens axle (11) is slidably matched to slide block (12) and an X direction guiding rail (13) by an X, a described X direction guiding rail (13) is fixedly installed on the first Y-direction slide unit (14), described first Y-direction slide unit (14) and the first Y-direction guide rail (15) are slidably matched, and described first Y-direction guide rail (15) is fixedly installed on total slide unit (3);
Described second tightens axle (21) is slidably matched to slide block (22) and the 2nd X direction guiding rail (23) by the 2nd X, described 2nd X guide rail (23) is fixedly installed on the second Y-direction slide unit (24), described second Y-direction slide unit (24) and the second Y-direction guide rail (25) are slidably matched, and described second Y-direction guide rail (25) is fixedly installed on total slide unit (3);
Described four groups of servo-actuating devices are set to:
A described X above slides to slide block (12) at an X direction guiding rail (13) to servo-actuating device for driving a described X;
Described 2nd X above slides to slide block (22) at the 2nd X direction guiding rail (23) to servo-actuating device for driving described 2nd X;
Described first Y-direction servo-actuating device is for driving described first Y-direction slide unit (14) in the upper slip of the first Y-direction guide rail (15);
Described second Y-direction servo-actuating device is for driving described second Y-direction slide unit (24) in the upper slip of the second Y-direction guide rail (25).
4. according to claim 1ly tighten axle multiple degrees of freedom pitch-changing mechanism, it is characterized in that: described four groups of servo-actuating devices are by the feed screw nut pair of driven by servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503825.5A CN104384910A (en) | 2014-09-26 | 2014-09-26 | MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503825.5A CN104384910A (en) | 2014-09-26 | 2014-09-26 | MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104384910A true CN104384910A (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503825.5A Pending CN104384910A (en) | 2014-09-26 | 2014-09-26 | MDOF (Multiple Degree Of Freedom) pitch control mechanism of tightening shafts |
Country Status (1)
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|---|---|
| CN (1) | CN104384910A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289035A (en) * | 1991-03-14 | 1992-10-14 | Honda Motor Co Ltd | Multi-nut runner |
| CN101537563A (en) * | 2008-03-20 | 2009-09-23 | 苏州铂电自动化科技有限公司 | Multi-shaft symmetric flexible assembly system for synchronous automatic-screwed screws |
| US20090277307A1 (en) * | 2008-05-06 | 2009-11-12 | Scofield Jefferson R | Deep Water Bolt Removal Tool |
| US20110197410A1 (en) * | 2010-02-15 | 2011-08-18 | John Manley Estep | Frangible collar removal tool |
| CN102922268A (en) * | 2012-11-14 | 2013-02-13 | 安徽巨一自动化装备有限公司 | Stroke adjusting mechanism for suspension type double-shaft screwing machine |
| CN102941467A (en) * | 2012-11-14 | 2013-02-27 | 安徽巨一自动化装备有限公司 | Variable pitch structure for four-shaft tightening machine |
| CN103692199A (en) * | 2013-12-25 | 2014-04-02 | 苏州博众精工科技有限公司 | Screw locking mechanism |
| CN203557094U (en) * | 2013-11-14 | 2014-04-23 | 重庆延锋江森汽车部件系统有限公司 | Automatic positioning and tightening mechanism for main seat frame and auxiliary seat frame |
-
2014
- 2014-09-26 CN CN201410503825.5A patent/CN104384910A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04289035A (en) * | 1991-03-14 | 1992-10-14 | Honda Motor Co Ltd | Multi-nut runner |
| CN101537563A (en) * | 2008-03-20 | 2009-09-23 | 苏州铂电自动化科技有限公司 | Multi-shaft symmetric flexible assembly system for synchronous automatic-screwed screws |
| US20090277307A1 (en) * | 2008-05-06 | 2009-11-12 | Scofield Jefferson R | Deep Water Bolt Removal Tool |
| US20110197410A1 (en) * | 2010-02-15 | 2011-08-18 | John Manley Estep | Frangible collar removal tool |
| CN102922268A (en) * | 2012-11-14 | 2013-02-13 | 安徽巨一自动化装备有限公司 | Stroke adjusting mechanism for suspension type double-shaft screwing machine |
| CN102941467A (en) * | 2012-11-14 | 2013-02-27 | 安徽巨一自动化装备有限公司 | Variable pitch structure for four-shaft tightening machine |
| CN203557094U (en) * | 2013-11-14 | 2014-04-23 | 重庆延锋江森汽车部件系统有限公司 | Automatic positioning and tightening mechanism for main seat frame and auxiliary seat frame |
| CN103692199A (en) * | 2013-12-25 | 2014-04-02 | 苏州博众精工科技有限公司 | Screw locking mechanism |
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Application publication date: 20150304 |