CN204771331U - Three rotate moving band damping dolly that shifts - Google Patents
Three rotate moving band damping dolly that shifts Download PDFInfo
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- CN204771331U CN204771331U CN201520357534.XU CN201520357534U CN204771331U CN 204771331 U CN204771331 U CN 204771331U CN 201520357534 U CN201520357534 U CN 201520357534U CN 204771331 U CN204771331 U CN 204771331U
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Abstract
The utility model provides a three rotate moving band damping dolly that shifts, include: dolly frame, dolly bottom plate, dolly removal base, frame welded platform, welding jig, the dolly frame is in order can the dismantlement mode installing in the dolly bottom plate, and the dolly bottom plate sets up so as to along dolly removal base removal on the dolly moves the base, frame welded platform installs in the dolly frame, and welding jig installs in frame welded platform. The utility model discloses there are four degrees of freedom, can rotatory, the direction removal of three direction. Can be stable when guarantee rotating, in the upset degree of freedom with sway the degree of freedom and set up the damping, this dolly can provide best welding position for the welding.
Description
Technical field
The utility model relates to band damping dolly, is specifically related to a kind of three and rotates moving belt damping dollies, and especially a kind of band damping for Frame Welding equipment can the travelling car of three orientation rotations.
Background technology
Battery truck vehicle frame, part is numerous, adopts human weld, and labour intensity is large, produces toxic and harmful when adding welding.Increasing vehicle frame manufacturer, for improving welding productivity and welding quality, adopts robot automatic welding.Robot automatic welding device key be some weld jig.At present, streamline realizes automatic welding many, each station only welds some or several point.An equipment realizes the location clamping of numerous part, and such equipment is few especially.
Through retrieval, find following pertinent literature:
Patent document 1: application number: CN201410124544.9, title: large workpiece 180 degree upset positioner
The open a kind of large workpiece 180 degree upset positioner of this patent document 1, its base adopts xoncrete structure, and base side foundation bolt is fixed eight groups of double bracket rollers and formed rolling support basis, and opposite side end face is provided with rectangle Auxiliary Track groove; Rotate support body to be welded by two annular roller-ways, arc gear ring and upper and lower support platform, the external circle of rotating turret and supporting carrier roller form revolute pair; Workpiece fixing and locking Operation system setting is in rotation support body, and 4 interlock elevator drives compress platform and realize the fixing and locking of workpiece at vertical direction, and screw slider mechanism ensures the fixing and locking in workpiece level direction; Material-feeding and fetching dolly is dual-layer welding body structure, in the middle of two layer box bodies, install synchronous hydra-ulic jacks, installs roller set at lower layer box body; Main transmission adopts gear-wheel gear-ring or chain sprocket structure.
Compared with the utility model: the large workpiece that this patent document 1 provides 180 degree upset positioner only has one degree of freedom, and what main transmission adopted is gear-wheel gear-ring or chain sprocket structure, does not have self-locking; The utility model has 4 frees degree, and upset and oscillating motion have damping, and during motion steadily, transmission adopts worm and gear, can self-locking.
Patent document 2: application number: CN201320290960.7, title: a kind of positioner
A kind of positioner that this patent document 2 provides, comprises housing, revolution casing, is located at bearing block in the middle part of revolution casing, terminal pad and the rotary decelerating motor, main shaft, the rotary table that connect successively; Described bearing block is fixedly connected with terminal pad, and described terminal pad is fixedly connected with revolution casing; Described revolution casing is fixed on case top by rotating shaft; Described main shaft is through turning round casing and being fixed on bearing block; Described rotary decelerating motor is located in housing.This positioner structure is simple, with low cost, and by arranging terminal pad between the bearing block and revolution casing of main shaft, the bearing block be connected with terminal pad plays main shaft and feels relieved and the supporting role of axial direction.。
Compared with the utility model: a kind of positioner that this patent document 2 provides only has two frees degree, the revolution free degree is by reductor shaft Direct driver rotary table, and another rotary freedom, does not have damping; The utility model has four frees degree, and the revolution free degree adopts reductor to go out shaft driven gear transmission, realizes work table rotation, overturns the free degree and waves the free degree, being all designed with damping, prevents from shaking during motion.In addition, also have one-movement-freedom-degree, realize the conversion of station.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of three and rotates a moving belt damping displacement dolly, few to overcome the existing positioner free degree, can not meet the weak point of vehicle frame automatic welding requirement.
Rotate a moving belt damping displacement dolly according to the one three that the utility model provides, comprising: carriage frame, cart base plate, dolly movable base, Frame Welding platform, weld jig;
Carriage frame is removably installed on cart base plate, and cart base plate to be arranged on dolly movable base thus can to move along dolly movable base;
Frame Welding stage+module is in carriage frame, and weld jig is installed on Frame Welding platform.
Preferably, also comprise: wabbler mechanism, switching mechanism, rotating mechanism;
Carriage frame comprises: dolly lower carriage, dolly intermediate support, dolly upper bracket;
Wabbler mechanism is mounted on dolly lower carriage, and wabbler mechanism drives dolly intermediate support to wave;
Switching mechanism is mounted on dolly intermediate support, and switching mechanism drives the upset of dolly upper bracket;
Rotating mechanism is mounted on dolly upper bracket, and rotating mechanism drives Frame Welding platform to rotate.
Preferably,
Wabbler mechanism comprises: wave and drive assembly, wave driven worm gear;
Wave and drive assembly to be fixed on bottom dolly lower carriage;
That waves driving assembly waves initiatively worm engaging in waving driven worm gear;
The axis hole waving driven worm gear with wave half axle key and be connected; Wave one end and the dolly intermediate support bolted of semiaxis, the other end only with dolly lower carriage axial restraint;
Switching mechanism comprises: upset drives assembly, upset sector gear;
Upset drives assembly to be fixed on dolly intermediate support;
Upset drives the output driven gear of assembly to be engaged in upset sector teeth face;
The axis hole of upset sector gear is connected with upset half axle key;
Upset semiaxis and dolly upper bracket are fastenedly connected;
Rotating mechanism comprises: rotary actuation assembly, rotary drive gear;
Rotating mechanism drives assembly and dolly upper bracket to be fastenedly connected;
The rotation driving gear of rotary actuation assembly is engaged in rotary drive gear;
The end face of rotary drive gear is fixedly installed in the bottom surface of Frame Welding platform;
The gear shaft of rotary drive gear is installed on dolly upper bracket by bearing.
Preferably, also comprise wave damping and/or upset damping;
Waving damping one end is mounted on bottom dolly lower carriage, and the other end is by flake joint and the pinned connection be fixed on dolly intermediate support;
Upset damping one end is mounted on bottom dolly lower carriage, and the other end is by flake joint and the pinned connection be fixed on dolly upper bracket.
Preferably, wave initiatively worm screw and supported by two bearings, this two bearings is mounted on bottom dolly lower carriage; Wabbler mechanism drives dolly intermediate support to wave along the bearing of trend of the track of dolly movable base; Upset semiaxis is fastenedly connected by upset contiguous block and dolly upper bracket.
Preferably, the track of a dolly movable base is provided with two cart base plate that connecting rod connects, these two cart base plate are respectively arranged with a carriage frame and form two carriage frame, these two carriage frame have different weld jigs by respective Frame Welding stage+module.
Preferably, described different weld jig refers to: loose mail weld jig, pipe welding clamp.
Preferably, carriage frame is provided with the dolly matched with the track of dolly movable base and moves driving assembly.
Preferably, the opposite face of two cart base plate is provided with buffer.
Compared with prior art, the utility model has following beneficial effect:
1, the utility model has four frees degree, and energy three directions rotate, a direction is moved.For ensureing stablize when rotating, the upset free degree with wave the free degree and be provided with damping, this dolly can provide optimum welding position for welding.
2, in the utility model, dolly is placed on dolly movable base, and its two ends are provided with buffer, and dolly moves driving and is placed in car interior; Three rotational freedoms of dolly comprise rotation, overturn and wave the angle that can adjust upper weld platform, and then change the position of vehicle frame, for robot welding provides best welding position.Three rotational freedoms and an one-movement-freedom-degree all adopt driven by servomotor.
2, the dolly in the utility model is easy to assembly, precision is higher, has that versatility is wide, the advantage of diverse in function, can be applicable to the similar welding equipment needing displacement.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2, Fig. 3 are the structural representation of the utility model internal driving mechanism.
In figure:
1. pipe welding clamp 2. loose mail weld jig 3. pipe fitting welding dolly 4. loose mail welding tractor 5. dolly movable base 6. dolly moves and drives assembly 7. to wave damping 8. to overturn damping 9 and overturn and drive assembly 10 to overturn sector gear 11. to overturn contiguous block 12. rotary drive gear 13. and rotate driving gear 14. rotary actuation assembly 15. Frame Welding platform 16. dolly upper bracket 17. dolly intermediate support 18. dolly lower carriage 19. and wave driven worm gear 20. and wave initiatively worm screw 21. and wave and drive assembly 22. connecting rod
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
According to the three rotation one moving belt damping displacement dollies that the utility model provides, comprising: carriage frame, cart base plate, dolly movable base, Frame Welding platform, weld jig, wabbler mechanism, switching mechanism, rotating mechanism;
Particularly, as shown in Figure 1, the track of a dolly movable base is provided with two cart base plate that connecting rod connects, thus can synchronizing moving between two cart base plate; These two cart base plate are respectively arranged with a carriage frame and form two carriage frame, these two carriage frame have different weld jigs by respective Frame Welding stage+module, and such as described different weld jig refers to: loose mail weld jig, pipe welding clamp; Carriage frame is provided with the dolly matched with the track of dolly movable base and moves driving assembly.
Carriage frame is removably installed on cart base plate, and cart base plate to be arranged on dolly movable base thus can to move along dolly movable base; Frame Welding stage+module is in carriage frame, and weld jig is installed on Frame Welding platform.
Carriage frame comprises: dolly lower carriage, dolly intermediate support, dolly upper bracket; Wabbler mechanism is mounted on dolly lower carriage, and wabbler mechanism drives dolly intermediate support to wave; Switching mechanism is mounted on dolly intermediate support, and switching mechanism drives the upset of dolly upper bracket; Rotating mechanism is mounted on dolly upper bracket, and rotating mechanism drives Frame Welding platform to rotate.
More specifically, as shown in Figure 2 and Figure 3.
Wabbler mechanism comprises: wave and drive assembly, wave driven worm gear;
Wave and drive assembly to be fixed on bottom dolly lower carriage;
That waves driving assembly waves initiatively worm engaging in waving driven worm gear;
The axis hole waving driven worm gear with wave half axle key and be connected; Wave one end and the dolly intermediate support bolted of semiaxis, the other end only with dolly lower carriage axial restraint;
Switching mechanism comprises: upset drives assembly, upset sector gear;
Upset drives assembly to be fixed on dolly intermediate support;
Upset drives the output driven gear of assembly to be engaged in upset sector teeth face;
The axis hole of upset sector gear is connected with upset half axle key;
Upset semiaxis and dolly upper bracket are fastenedly connected;
Rotating mechanism comprises: rotary actuation assembly, rotary drive gear;
Rotating mechanism drives assembly and dolly upper bracket to be fastenedly connected;
The rotation driving gear of rotary actuation assembly is engaged in rotary drive gear;
The end face of rotary drive gear is fixedly installed in the bottom surface of Frame Welding platform;
The gear shaft of rotary drive gear is installed on dolly upper bracket by bearing.
Further, wave damping one end and be mounted on bottom dolly lower carriage, the other end is by flake joint and the pinned connection be fixed on dolly intermediate support; Upset damping one end is mounted on bottom dolly lower carriage, and the other end is by flake joint and the pinned connection be fixed on dolly upper bracket.Because gravity is larger on flip-flop movement impact, for making flip-flop movement more steady, increasing by a upset damping cylinder, and pneumatic operated valve is installed, controlling the size of damping, flip-flop movement is steadily carried out, does not shake.Because gravity is larger on oscillating motion impact, in like manner, for making oscillating motion steady, increasing and similarly with flip-flop movement waving damping cylinder, making flip-flop movement steadily, do not shake.Wave initiatively worm screw to be supported by two bearings, this two bearings is mounted on bottom dolly lower carriage; Wabbler mechanism drives dolly intermediate support to wave along the bearing of trend of the track of dolly movable base; Upset semiaxis is fastenedly connected by upset contiguous block and dolly upper bracket.
Further, two trolley base, by mobile, make pipe fitting welding dolly and loose mail welding tractor change position, thus change welding post.Described welding tractor adopts two car three stations, is connected between two dollies by connecting rod, and pipe fitting welding dolly drives loose mail welding tractor, mobile employing driven by servomotor.
It will be appreciated by those skilled in the art that described dolly, is not the restriction to car body size, and refers to and at the upper car body slided of movable base (such as slide rail), can be referred to as dolly.
Described pipe fitting welding dolly 1 and loose mail welding tractor 2, its inside all comprises three degree of freedom: wave the free degree, the upset free degree, rotary freedom, realized respectively by wabbler mechanism, switching mechanism, rotating mechanism; Rotary freedom drives and is driven by rotary actuation assembly, adopts gear drive, Frame Welding platform can be driven to rotate; The upset free degree drives assembly to drive by overturning, and adopts gear drive, jig can be driven to overturn.Carriage frame and cart base plate are threaded connection, easy disassembly.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (9)
1. three rotate a moving belt damping displacement dolly, it is characterized in that, comprising: carriage frame, cart base plate, dolly movable base, Frame Welding platform, weld jig;
Carriage frame is removably installed on cart base plate, and cart base plate to be arranged on dolly movable base thus can to move along dolly movable base;
Frame Welding stage+module is in carriage frame, and weld jig is installed on Frame Welding platform.
2. according to claim 1 three rotate a moving belt damping displacement dolly, it is characterized in that, also comprise: wabbler mechanism, switching mechanism, rotating mechanism;
Carriage frame comprises: dolly lower carriage, dolly intermediate support, dolly upper bracket;
Wabbler mechanism is mounted on dolly lower carriage, and wabbler mechanism drives dolly intermediate support to wave;
Switching mechanism is mounted on dolly intermediate support, and switching mechanism drives the upset of dolly upper bracket;
Rotating mechanism is mounted on dolly upper bracket, and rotating mechanism drives Frame Welding platform to rotate.
3. according to claim 2 three rotate a moving belt damping displacement dolly, it is characterized in that,
Wabbler mechanism comprises: wave and drive assembly, wave driven worm gear;
Wave and drive assembly to be fixed on bottom dolly lower carriage;
That waves driving assembly waves initiatively worm engaging in waving driven worm gear;
The axis hole waving driven worm gear with wave half axle key and be connected; Wave one end and the dolly intermediate support bolted of semiaxis, the other end only with dolly lower carriage axial restraint;
Switching mechanism comprises: upset drives assembly, upset sector gear;
Upset drives assembly to be fixed on dolly intermediate support;
Upset drives the output driven gear of assembly to be engaged in upset sector teeth face;
The axis hole of upset sector gear is connected with upset half axle key;
Upset semiaxis and dolly upper bracket are fastenedly connected;
Rotating mechanism comprises: rotary actuation assembly, rotary drive gear;
Rotating mechanism drives assembly and dolly upper bracket to be fastenedly connected;
The rotation driving gear of rotary actuation assembly is engaged in rotary drive gear;
The end face of rotary drive gear is fixedly installed in the bottom surface of Frame Welding platform;
The gear shaft of rotary drive gear is installed on dolly upper bracket by bearing.
4. according to claim 3 three rotate a moving belt damping displacement dolly, it is characterized in that, also comprise and wave damping and/or upset damping;
Waving damping one end is mounted on bottom dolly lower carriage, and the other end is by flake joint and the pinned connection be fixed on dolly intermediate support;
Upset damping one end is mounted on bottom dolly lower carriage, and the other end is by flake joint and the pinned connection be fixed on dolly upper bracket.
5. according to claim 3 three rotate a moving belt damping displacement dolly, it is characterized in that, wave initiatively worm screw and supported by two bearings, this two bearings is mounted on bottom dolly lower carriage; Wabbler mechanism drives dolly intermediate support to wave along the bearing of trend of the track of dolly movable base; Upset semiaxis is fastenedly connected by upset contiguous block and dolly upper bracket.
6. according to claim 1 three rotate a moving belt damping displacement dolly, it is characterized in that, the track of a dolly movable base is provided with two cart base plate that connecting rod connects, these two cart base plate are respectively arranged with a carriage frame and form two carriage frame, these two carriage frame have different weld jigs by respective Frame Welding stage+module.
7. according to claim 6 three rotate a moving belt damping displacement dolly, it is characterized in that, described different weld jig refers to: loose mail weld jig, pipe welding clamp.
8. according to claim 1 three rotate a moving belt damping displacement dolly, it is characterized in that, carriage frame is provided with the dolly matched with the track of dolly movable base and moves driving assembly.
9. according to claim 6 three rotate a moving belt damping displacement dolly, it is characterized in that, the opposite face of two cart base plate is provided with buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357534.XU CN204771331U (en) | 2015-05-28 | 2015-05-28 | Three rotate moving band damping dolly that shifts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520357534.XU CN204771331U (en) | 2015-05-28 | 2015-05-28 | Three rotate moving band damping dolly that shifts |
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| CN204771331U true CN204771331U (en) | 2015-11-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665953A (en) * | 2016-04-21 | 2016-06-15 | 中冶东方工程技术有限公司 | Automatic welding device and method for combined grip type electrode shell |
| CN108515301A (en) * | 2018-06-05 | 2018-09-11 | 安徽合力股份有限公司 | A kind of General welding detent mechanism for heavy-duty forklift chassis |
| CN111299940A (en) * | 2020-03-16 | 2020-06-19 | 夏浩宽 | Spot welding fixture |
| CN112935610A (en) * | 2021-04-07 | 2021-06-11 | 宁波瑞畅自动化科技有限公司 | Electromechanical welding device and process |
| CN114473925A (en) * | 2021-12-29 | 2022-05-13 | 扬州海纳尔液压设备有限公司 | Mobile power unit assembly system |
-
2015
- 2015-05-28 CN CN201520357534.XU patent/CN204771331U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665953A (en) * | 2016-04-21 | 2016-06-15 | 中冶东方工程技术有限公司 | Automatic welding device and method for combined grip type electrode shell |
| CN105665953B (en) * | 2016-04-21 | 2018-04-03 | 中冶东方工程技术有限公司 | Combine holding type electrode shell automatic soldering device and method |
| CN108515301A (en) * | 2018-06-05 | 2018-09-11 | 安徽合力股份有限公司 | A kind of General welding detent mechanism for heavy-duty forklift chassis |
| CN111299940A (en) * | 2020-03-16 | 2020-06-19 | 夏浩宽 | Spot welding fixture |
| CN112935610A (en) * | 2021-04-07 | 2021-06-11 | 宁波瑞畅自动化科技有限公司 | Electromechanical welding device and process |
| CN112935610B (en) * | 2021-04-07 | 2022-10-28 | 科纳森(广东)医学影像科技有限公司 | Electromechanical welding device and process |
| CN114473925A (en) * | 2021-12-29 | 2022-05-13 | 扬州海纳尔液压设备有限公司 | Mobile power unit assembly system |
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