CN203471143U - Single-spindle-box double-end phase friction welding machine with one-time clamping function - Google Patents
Single-spindle-box double-end phase friction welding machine with one-time clamping function Download PDFInfo
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- CN203471143U CN203471143U CN201320638605.4U CN201320638605U CN203471143U CN 203471143 U CN203471143 U CN 203471143U CN 201320638605 U CN201320638605 U CN 201320638605U CN 203471143 U CN203471143 U CN 203471143U
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Abstract
The utility model provides a single-spindle-box double-end phase friction welding machine with the one-time clamping function, and belongs to the technical field of phase friction welding machines. According to the single-spindle-box double-end phase friction welding machine with the one-time clamping function, the spindle box is arranged on the portion, on one side, of the top of a lathe bed, a workpiece locating clamping device is arranged on the portion, on the other side, of the top of the lathe bed, a rear ejection device is arranged on the top of the workpiece locating clamping device, a spindle is arranged in the spindle box, an encoder is arranged at the outer end of the spindle, a direct-current motor assembly is arranged on the top of the spindle box, the direct-current motor assembly is connected with the spindle through a synchronous pulley transmission mechanism in a transmission mode, and a rotary clamp is arranged at the inner end of the spindle. When the single-spindle-box double-end phase friction welding machine with the one-time clamping function is used, clamping of three workpieces is accomplished at one time, accuracy loss caused by the situation that when secondary welding is carried out, the workpieces are turned by 180 degrees, and then clamping is carried out again is avoided, phase accuracy of welding is improved, and production efficiency of welding is improved; due to the fact that a direct-current motor is used for having accurate control over the angular velocity and the angular displacement of the spindle, accurate phase control of friction welding is achieved, and the phase control accuracy can reach the level of +/- 0.5 degree.
Description
Technical field
The utility model relates to the dual-head phase friction welding machine that a kind of single main spindle box is once installed, and belongs to phase friction welding machine technical field.
Background technology
If the pair of workpieces of welding is pipe or pole, while having welded braking, can stop at any circumference position; If the pair of workpieces of welding is abnormity or square tube, while having welded braking, must stop in fixing angle, keep two determined phase relations of workpiece, phase place friction welding that Here it is.
Sometimes the two ends of a workpiece, each welds a joint, and between the joint at two ends, has fixing angle requirement, i.e. " double end " phase place friction welding (FW).For guaranteeing fixing angle, friction-welding machine adopts two ends weldment conjugation to drive rotation conventionally, is actually the friction welding of a kind of mechanical synchronization phase place, and this is that a kind of frame for movement is numerous and diverse, and phase angle can not arbitrarily arrange, technical relatively backward friction-welding machine.And can only between the part at two ends, can have phase place requirement for three weld parts of two ends symmetry, and can not realize stationary phase welding to middle part.
For overcoming above-mentioned limitation, external existing single head phase friction welding machine and the dual-head phase friction welding machine that uses driven by servomotor, still still has some problems undesirable at present.
As the dual-head phase friction welding machine that Japan produces, upset force is 200KN only, and owing to using the servomotor of two main spindle boxes and two expensive 75KW, price reaches 3,800,000 yuan.
The single head phase friction welding machine that servomotor is controlled also can be for three weld parts of two ends symmetry, and between the part at two ends, or the part at two ends can be realized stationary phase welding to middle part.
Welding method is: first a termination is installed in rolling clamp, middle part is clamped in stationary fixture, realize phase place welding for the first time, then unclamp rolling clamp and stationary fixture, take out the assembly having welded for the first time, turning around to overturn 180 ° clamps again again, then packs second termination into rolling clamp, welds for the second time.
It is to machining that well-known secondary is installed or the Accuracy of friction welding is all larger, and due to the error of jig and the error of welding work pieces itself, it is all larger that secondary is installed on the phase accuracy of friction welding, concentricity impact.
Summary of the invention
The purpose of this utility model is the problem existing in order to solve above-mentioned prior art, be that secondary is installed be to machining or the Accuracy of friction welding is all larger, due to the error of jig and the error of welding work pieces itself, it is all larger that secondary is installed on the phase accuracy of friction welding, concentricity impact.And then the dual-head phase friction welding machine that provides a kind of single main spindle box to be once installed.
The purpose of this utility model is achieved through the following technical solutions:
The dual-head phase friction welding machine that a kind of single main spindle box is once installed, comprise: main spindle box, DC motor assembly, synchronous pulley driving mechanism, encoder, main shaft, rolling clamp, stationary fixture, centre frame, roller centre frame, rear ejection device, the tight device of work piece positioning and lathe bed, described main spindle box is arranged on the top of lathe bed one side, the tight device of work piece positioning is arranged on the top of lathe bed opposite side, rear ejection device is arranged on the top of the tight device of work piece positioning, main shaft is arranged in main spindle box, the outer end of main shaft is provided with encoder, DC motor assembly is arranged on the top of main spindle box, between DC motor assembly and main shaft, by synchronous pulley driving mechanism, be in transmission connection, rolling clamp is arranged on the inner of main shaft, between the tight device of rolling clamp and work piece positioning, be provided with successively stationary fixture, centre frame and roller centre frame, stationary fixture is near rolling clamp one side.
Before welding, the front end of workpiece, intermediate bar and follower head three parts have once been installed, described DC motor assembly drives the front end of main shaft, rolling clamp clamping work pieces to rotate together by synchronous pulley driving mechanism, and to the workpiece movable being clamped in stationary fixture, centre frame is done auxiliary positioning, is completed the welding of front end and the intermediate bar of workpiece.Then unclamp stationary fixture, unclamp centre frame, with roller centre frame, do centralized positioning again, because front end and intermediate bar weld together, again start DC motor assembly, front end rotates together with intermediate bar, and move to the follower head being clamped in rear ejection device, complete phase place friction welding for the second time.The front end of workpiece, intermediate bar and follower head three parts only need once be installed, and a minute secondary completes phase place welding.
The beneficial effects of the utility model: 1, compare with external dual-head phase friction welding machine, greatly reduced the investment of equipment, 2, compare with external single head phase friction welding machine, also reduced the investment of equipment, because front end, intermediate bar, follower head three parts have once been installed, avoid welding for the second time to turn 180 ° of losss of significance that are again installed and bring, when improving welding phase accuracy, improved welding production efficiency.3, the utility model adopts direct current generator accurately to control angular speed and the angular displacement of main shaft, has realized friction welding phase controlling accurately.Phase controlling precision can reach ± and 0.5 °.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dual-head phase friction welding machine that is once installed of the utility model list main spindle box;
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: the present embodiment is implemented take technical solutions of the utility model under prerequisite, provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, the dual-head phase friction welding machine that the related a kind of single main spindle box of the present embodiment is once installed, comprising: main spindle box 1, DC motor assembly 2, synchronous pulley driving mechanism 3, encoder 4, main shaft 5, rolling clamp 6, stationary fixture 7, centre frame 8, roller centre frame 9, rear ejection device 10, the tight device 11 of work piece positioning and lathe bed 12, described main spindle box 1 is arranged on the top of lathe bed 12 1 sides, the tight device 11 of work piece positioning is arranged on the top of lathe bed 12 opposite sides, rear ejection device 10 is arranged on the top of the tight device 11 of work piece positioning, main shaft 5 is arranged in main spindle box 1, the outer end of main shaft 5 is provided with encoder 4, DC motor assembly 2 is arranged on the top of main spindle box 1, between DC motor assembly 2 and main shaft 5, by synchronous pulley driving mechanism 3, be in transmission connection, rolling clamp 6 is arranged on the inner of main shaft 5, between the tight device 11 of rolling clamp 6 and work piece positioning, is provided with successively stationary fixture 7, centre frame 8 and roller centre frame 9, stationary fixture 7 is near rolling clamp 6 one sides.
Described encoder 4 is 14 line absolute encoders.
1: two workpiece of embodiment once welds by fixing phase relation.
Before friction welding, in the touch-screen in electric-control system, set phase place, main shaft 5 and rolling clamp 6 are parked on initial phase, and two workpiece are installed in rolling clamp 6 and stationary fixture 7 by fixing initial phase relation respectively.Centre frame 8 is done auxiliary positioning, roller centre frame 9 is unsettled need not.The workpiece of ejection device 10 immediate roofs in stationary fixture 7 after mobile.
Start Hydraulic Station and direct current generator, workpiece one in rolling clamp 6 rotates under the driving of DC motor assembly 2 and synchronous pulley driving mechanism 3, be fixed fixture 7 of another workpiece clamps, main spindle box 1 under the driving of hydraulic system to being fixed on workpiece movable in fixture 7, main spindle box 1 moves to when turning of work piece contacts with static workpiece and starts to rub, due to encoder 4 being installed on main shaft 5, to PID plate, send angle position numerical signal constantly.By comparing with setting phase place in touch-screen, its difference is controlled by PLC, and D/A conversion, is transported to direct drive plate, controls DC generator speed and direction.Carrying out in real time angle amount controls.When phase angle reaches when setting value, controller to direct current generator send brake instruction, main shaft 5 stops operating, main spindle box 1, with larger pressure and speed upset, is realized phase controlling welding accurately.In phase friction welding machine when work,, that the moving component that lubricating system is main frame, main shaft bearing provide is lubricated, oil cooling machine is hydraulic system cool cycles oil.
2: three workpiece of embodiment are by fixing phase relation secondary welding.
When two identical workpiece require to be symmetrically welded at the two ends of the 3rd workpiece, three workpiece are once installed by fixing phase relation, can be welded with at twice the single main spindle box driving for double end workpiece that stationary phase angle requires.
Before friction welding, in the touch-screen in electric-control system, set phase place, main shaft 5, rolling clamp 6 are parked on initial phase, and two workpiece are installed in rolling clamp 6 and stationary fixture 7 by fixing initial phase relation respectively.Centre frame 8 is done auxiliary positioning, roller centre frame 9 is unsettled need not.Workpiece three after mobile in ejection device 10 is clamped by the tight device of work piece positioning 11 location, on the workpiece two of immediate roof in stationary fixture 7.
Start Hydraulic Station and direct current generator, workpiece one in rolling clamp 6 rotates under the driving of DC motor assembly 2 and synchronous pulley driving mechanism 3, be fixed fixture 7 of another workpiece clamps, main spindle box 1 under the driving of hydraulic system to the workpiece movable in stationary fixture 7, main spindle box 1 moves to when turning of work piece contacts with static workpiece and starts to rub, due to encoder 4 being installed on main shaft 5, encoder 4 sends angle position numerical signal to PID plate constantly.By comparing with setting phase place in touch-screen, its difference is controlled by PLC, and D/A conversion, is transported to direct drive plate, controls DC generator speed and direction.Carrying out in real time angle amount controls.When phase angle reaches when setting value, controller to direct current generator send brake instruction, main shaft 5 stops operating, main spindle box 1 is with larger pressure and speed upset, workpiece one is realized phase controlling welding accurately with workpiece two.
Now workpiece one front end and workpiece two intermediate bars have been welded into as a whole.Then unclamp stationary fixture 7, unclamp centre frame 8, with roller centre frame 9, do again the centralized positioning of intermediate bar, because front end welds together, again start direct current generator, front end rotates together with intermediate bar, workpiece three in rear ejection device 10 is positioned and is clamped in the tight device 11 of work piece positioning, and workpiece one front end rotates and moves to workpiece three follower heads that are clamped in rear ejection device 10 together with workpiece two intermediate bars, completes phase place friction welding for the second time.Workpiece one front end, workpiece two intermediate bars and workpiece three follower head three parts only need once be installed, the phase place that makes two bites at a cherry welding.
The above; it is only the preferably specific embodiment of the utility model; these specific embodiment are all the different implementations based under the utility model general idea; and protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (2)
1. the dual-head phase friction welding machine that single main spindle box is once installed, it is characterized in that, comprise: main spindle box (1), DC motor assembly (2), synchronous pulley driving mechanism (3), encoder (4), main shaft (5), rolling clamp (6), stationary fixture (7), centre frame (8), roller centre frame (9), rear ejection device (10), work piece positioning tightly installs (11) and lathe bed (12), described main spindle box (1) is arranged on the top of lathe bed (12) one sides, work piece positioning tightly installs the top that (11) are arranged on lathe bed (12) opposite side, rear ejection device (10) is arranged on the top that work piece positioning tightly installs (11), main shaft (5) is arranged in main spindle box (1), the outer end of main shaft (5) is provided with encoder (4), DC motor assembly (2) is arranged on the top of main spindle box (1), between DC motor assembly (2) and main shaft (5), by synchronous pulley driving mechanism (3), be in transmission connection, rolling clamp (6) is arranged on the inner of main shaft (5), rolling clamp (6) and work piece positioning tightly install and between (11), are provided with successively stationary fixture (7), centre frame (8) and roller centre frame (9), stationary fixture (7) is near rolling clamp (6) one sides.
2. the dual-head phase friction welding machine that single main spindle box according to claim 1 is once installed, is characterized in that, described encoder (4) is 14 line absolute encoders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638605.4U CN203471143U (en) | 2013-10-16 | 2013-10-16 | Single-spindle-box double-end phase friction welding machine with one-time clamping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638605.4U CN203471143U (en) | 2013-10-16 | 2013-10-16 | Single-spindle-box double-end phase friction welding machine with one-time clamping function |
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| Publication Number | Publication Date |
|---|---|
| CN203471143U true CN203471143U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320638605.4U Withdrawn - After Issue CN203471143U (en) | 2013-10-16 | 2013-10-16 | Single-spindle-box double-end phase friction welding machine with one-time clamping function |
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| Country | Link |
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| CN (1) | CN203471143U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521914A (en) * | 2013-10-16 | 2014-01-22 | 哈尔滨正晨焊接切割设备制造有限公司 | Single-main-shaft box one-time clamping double-end phase friction welder |
| CN105397275A (en) * | 2015-12-16 | 2016-03-16 | 西北工业大学 | Friction welding phase control method |
| CN109434257A (en) * | 2018-09-30 | 2019-03-08 | 广州瑞松北斗汽车装备有限公司 | It is detected the localization method and system of workpiece |
-
2013
- 2013-10-16 CN CN201320638605.4U patent/CN203471143U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521914A (en) * | 2013-10-16 | 2014-01-22 | 哈尔滨正晨焊接切割设备制造有限公司 | Single-main-shaft box one-time clamping double-end phase friction welder |
| CN103521914B (en) * | 2013-10-16 | 2016-04-13 | 哈尔滨正晨焊接切割设备制造有限公司 | The dual-head phase friction welding machine that single main spindle box is once installed |
| CN105397275A (en) * | 2015-12-16 | 2016-03-16 | 西北工业大学 | Friction welding phase control method |
| CN105397275B (en) * | 2015-12-16 | 2017-07-25 | 西北工业大学 | Friction welding phase control method |
| CN109434257A (en) * | 2018-09-30 | 2019-03-08 | 广州瑞松北斗汽车装备有限公司 | It is detected the localization method and system of workpiece |
| CN109434257B (en) * | 2018-09-30 | 2023-10-31 | 广州瑞松北斗汽车装备有限公司 | Method and system for positioning detected workpiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160413 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |