CN204893229U - A from centering clamping device for casing and flange laser welding - Google Patents
A from centering clamping device for casing and flange laser welding Download PDFInfo
- Publication number
- CN204893229U CN204893229U CN201520690701.2U CN201520690701U CN204893229U CN 204893229 U CN204893229 U CN 204893229U CN 201520690701 U CN201520690701 U CN 201520690701U CN 204893229 U CN204893229 U CN 204893229U
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- toothholder
- flange
- housing
- fluted disc
- clamping device
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Abstract
The utility model relates to a from centering clamping device for casing and flange laser welding, install reduction gear and servo motor on motion platform's bottom plate, servo motor's output shaft passes through the shaft coupling and is connected with the input shaft drive of reduction gear, install the casing on the output shaft of reduction gear, install the fluted disc on the casing, the fluted disc is connected by motor drive, the meshing has three group's toothholders on the fluted disc, contained angle between the adjacent toothholder equals, the radial motion is followed to fluted disc drive toothholder, the top of toothholder is equipped with the convex clamping part that is used for the tight casing of locating clip, along radially installing the electric putter ware on each toothholder, the top of the work stock of electric putter ware is equipped with the clamp part that is used for the tight flange of locating clip. Can drive the work piece plane and remove and the rotation, the laser head holding position is unchangeable during the welding, improves welded stability, and to the such thin wall part of flange, the real -time measurement of clamp force can be controlled the clamp force effectively and avoid too big and arouse clamping deformation under the prerequisite that meets the demands.
Description
Technical field
The utility model relates to a kind of self-centering clamping device for housing and flange laser weld.
Background technology
Truck drive shaft is the vitals in car drivetrain system, and its effect is that the power of engine is delivered to two front vehicle wheels from speed changer, drives car to run at high speed.Because power transmission shaft transmits heavy driving moment, with being subject to load weight, transmission accuracy is high, is in great demand, and is again safety member, and therefore its major part requires all very high for intensity, hardness, tensile strength and torsional strength etc.For this reason, the production technology of truck drive shaft is optimized and can not only be reduced costs, the more important thing is and can improve the quality of products, the performance of automobile or even the life security of motorist are all significant.Welding precision and the surface quality requirements of truck drive shaft sliding end universal joint are high, and traditional welding method (as friction welding (FW), gas shielded arc welding etc.) cannot meet the demands.For this reason, propose to use the method for laser weld to replace traditional welding method.
Laser weld is the local heat utilizing high-octane laser pulse to carry out tiny area, and the energy of laser emission, by the diffusion inside of heat transfer to material, forms specific molten bath to reach welding object by after material fusing.The advantage of laser weld has: depth-to-width ratio is high, and weld width is little, and heat affected area is little, and be out of shape little, speed of welding is fast, smooth welded seam, attractive in appearance, postwelding is without the need to process or only need simple process, and weldquality is high, pore-free, can accurately control, focal spot is little, and positioning precision is high, easily realizes automation etc.Therefore, compared with traditional welding method, method for laser welding more can meet the switching performance requirement of truck drive shaft sliding-end housing and flange.But meanwhile, laser weld due to spot diameter limited, the positioning requirements therefore for workpiece will be very high, needs to design its special fixture for this reason.
Utility model content
The purpose of this utility model overcomes the deficiency that prior art exists, and provides a kind of self-centering clamping device for housing and flange laser weld.
The purpose of this utility model is achieved through the following technical solutions:
For the self-centering clamping device of housing and flange laser weld, feature is: on the base plate of motion platform, be provided with decelerator and servomotor, the output shaft of servomotor to be driven with the power shaft of decelerator by shaft coupling and is connected, the output shaft of decelerator is provided with housing, housing is provided with fluted disc, fluted disc is driven by motor and connects, fluted disc is engaged with three groups of toothholders, angle between adjacent toothholder is equal, fluted disc drives toothholder radially to move, the top of toothholder is provided with the circular arc clamping part for locating clamping body, each toothholder is radially provided with electric pushrod device, the top of the work stock of electric pushrod device is provided with the clamping section for locating clamping flange.
Further, the above-mentioned self-centering clamping device for housing and flange laser weld, wherein, the top of the work stock of described electric pushrod device is provided with pressure sensor.
Further, the above-mentioned self-centering clamping device for housing and flange laser weld, wherein, the side of described toothholder is provided with displacement transducer.
Further, the above-mentioned self-centering clamping device for housing and flange laser weld, wherein, the movement locus straight line of described toothholder parallels with the movement locus straight line of electric pushrod device work stock.
Again further, the above-mentioned self-centering clamping device for housing and flange laser weld, wherein, described decelerator is worm type of reduction gearing.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progress are mainly reflected in:
The utility model is applicable to the laser weld of truck drive shaft sliding-end housing and flange, self-centering clamping device can drive workpiece planarization to move and rotation, during welding, laser head holding position is constant, improve the stability of welding, also the cost of laser aid part is reduced, for the thin-walled parts that flange is such, the real-time measurement of clamping force effectively can control clamping force and avoids excessive under the prerequisite met the demands and cause pinching deformation.Automaticity is high, and production efficiency is high.
Accompanying drawing explanation
Fig. 1: housing and Flange joint schematic diagram;
Fig. 2: overall structure schematic diagram of the present utility model;
Fig. 3: the structural representation of the utility model holder part.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
As shown in Figures 1 to 3, for the self-centering clamping device of housing and flange laser weld, the base plate of motion platform 3 is provided with decelerator 6 and servomotor 4, the output shaft of servomotor 4 is driven with the power shaft of decelerator 6 by shaft coupling 5 and is connected, decelerator 6 is worm type of reduction gearing, the output shaft of decelerator 6 is provided with housing 7, housing 7 is provided with fluted disc 12, fluted disc 12 drives connection by motor 13, fluted disc 12 is engaged with three groups of toothholders 8, equal namely 120 ° of angle between adjacent toothholder, fluted disc 12 drives toothholder 8 radially to move, the top of toothholder 8 is provided with the circular arc clamping part for locating clamping body, the side of toothholder is provided with displacement transducer 11, each toothholder 8 is radially provided with electric pushrod device 9, the top of the work stock of electric pushrod device 9 is provided with the clamping section for locating clamping flange, the top of the work stock of electric pushrod device 9 is provided with pressure sensor 10.The movement locus straight line of toothholder 8 parallels with the movement locus straight line of electric pushrod device work stock.
Housing 1 locates clamping by three groups of toothholders, and servomotor 4 drives decelerator 6 to operate, and decelerator 6 drives whole housing 7 to rotate, to obtain the rotating speed of applicable workpiece laser welding, the forward and reverse running of motor 13 drives fluted disc 12, and then toothholder 8 is radially moved, realize to the clamping of housing 1 with unclamp.Flange 2, is clamped by the work stock of three electric pushrod devices 9 for locating surface with the upper surface of three groups of toothholders.Reduction case and servomotor are connected with motion platform 3 by fastening bolt by the bolt hole on base, to ensure its stability and horizontality.
Pressure sensor is equipped with on the top of the work stock of electric pushrod device 9, for measuring the power in clamping process in real time, to make clamp force distribution suffered by flange 2 even, reduces pinching deformation.
Three toothholders are equipped with displacement transducer 11 respectively, position coordinates when clamping for measuring workpieces, realize automatically finding accurately of weld seam starting point, calculated the geometric center of workpiece by the coordinates of 3, control workbench with this and drive workpiece motion s to laser beam place.
During embody rule, workpiece is placed on fixture by artificial or manipulator, and adjustment workpiece direction, makes three concave surfaces of housing 1 outer surface match with the circular arc clamping part on toothholder 8 top.Motor rotates forward, and realizes clamping housing.On toothholder 8, electric pushrod device 9 works simultaneously, its work stock stretches out, flange 2 is clamped, pressure sensor 10 on work stock works, suffered power and clamping force are transferred to computer judge, control work stock to quit work when clamping force meets welding requirements, realize the location clamping of workpiece.Electric pushrod device 9 works simultaneously, and push rod stroke measured by displacement transducer 11, and to obtain push rod top coordinate, by three coordinates recorded to calculate the geometric center position of flange, the radius of adding weld seam can obtain the accurate coordinate of weld seam starting point.Workbench 3 drives workpiece motion s that weld seam starting point coordinate is overlapped with laser beam coordinate, and servomotor 4 controls fixture and workpiece rotates with the speed of welding be applicable to, and carries out laser weld, forms weld seam A.Welding completes, and self-centering clamping mechanism unclamps, and artificial or manipulator takes off workpiece.
In sum, the utility model clamping device is applicable to the laser weld of truck drive shaft sliding-end housing and flange, and grip device can drive workpiece planarization to move and rotation, and during welding, laser head holding position is constant, improve the stability of welding, also reduce the cost of laser aid part.The real-time measurement of clamping force, for the such thin-walled parts of flange, effectively can control clamping force and under the prerequisite met the demands, is unlikely to excessive and causes pinching deformation.Automaticity is high, and production efficiency is high.
It is to be understood that: the above is only preferred embodiment of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. for the self-centering clamping device of housing and flange laser weld, it is characterized in that: decelerator and servomotor are installed on the base plate of motion platform, the output shaft of servomotor to be driven with the power shaft of decelerator by shaft coupling and is connected, the output shaft of decelerator is provided with housing, housing is provided with fluted disc, fluted disc is driven by motor and connects, fluted disc is engaged with three groups of toothholders, angle between adjacent toothholder is equal, fluted disc drives toothholder radially to move, the top of toothholder is provided with the circular arc clamping part for locating clamping body, each toothholder is radially provided with electric pushrod device, the top of the work stock of electric pushrod device is provided with the clamping section for locating clamping flange.
2. the self-centering clamping device for housing and flange laser weld according to claim 1, is characterized in that: the top of the work stock of described electric pushrod device is provided with pressure sensor.
3. the self-centering clamping device for housing and flange laser weld according to claim 1, is characterized in that: the side of described toothholder is provided with displacement transducer.
4. the self-centering clamping device for housing and flange laser weld according to claim 1, is characterized in that: the movement locus straight line of described toothholder parallels with the movement locus straight line of electric pushrod device work stock.
5. the self-centering clamping device for housing and flange laser weld according to claim 1, is characterized in that: described decelerator is worm type of reduction gearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690701.2U CN204893229U (en) | 2015-09-08 | 2015-09-08 | A from centering clamping device for casing and flange laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520690701.2U CN204893229U (en) | 2015-09-08 | 2015-09-08 | A from centering clamping device for casing and flange laser welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204893229U true CN204893229U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520690701.2U Expired - Fee Related CN204893229U (en) | 2015-09-08 | 2015-09-08 | A from centering clamping device for casing and flange laser welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204893229U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583564A (en) * | 2016-03-10 | 2016-05-18 | 柳州日高过滤器有限责任公司 | Universal tool for rapidly welding pull rod to air filter shell |
| CN105817811A (en) * | 2016-04-28 | 2016-08-03 | 芜湖莫森泰克汽车科技股份有限公司 | Automatic welding device of sliding door magnetic ring |
| CN106216905A (en) * | 2016-06-30 | 2016-12-14 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
| CN106392318A (en) * | 2016-12-02 | 2017-02-15 | 长春理工大学 | Clutch driven disc-transmission disc structural part automatic preheating and clamping device and laser welding method |
| TWI587961B (en) * | 2016-02-02 | 2017-06-21 | 旭東機械工業股份有限公司 | Laser pipe cutting machine and a rotating chuck thereof |
| CN107097086A (en) * | 2017-05-05 | 2017-08-29 | 哈尔滨工业大学 | Force feedback type cylindrical shape thin-wall member processing support device |
| CN115323368A (en) * | 2022-08-03 | 2022-11-11 | 济南金威刻科技发展有限公司 | High-speed steel lathe tool blade laser cladding repair equipment |
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2015
- 2015-09-08 CN CN201520690701.2U patent/CN204893229U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI587961B (en) * | 2016-02-02 | 2017-06-21 | 旭東機械工業股份有限公司 | Laser pipe cutting machine and a rotating chuck thereof |
| CN105583564A (en) * | 2016-03-10 | 2016-05-18 | 柳州日高过滤器有限责任公司 | Universal tool for rapidly welding pull rod to air filter shell |
| CN105817811A (en) * | 2016-04-28 | 2016-08-03 | 芜湖莫森泰克汽车科技股份有限公司 | Automatic welding device of sliding door magnetic ring |
| CN105817811B (en) * | 2016-04-28 | 2017-12-01 | 芜湖莫森泰克汽车科技股份有限公司 | Sliding door magnet ring automatic soldering device |
| CN106216905A (en) * | 2016-06-30 | 2016-12-14 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
| CN106216905B (en) * | 2016-06-30 | 2018-03-06 | 合肥永升机械有限公司 | A kind of excavator middle frame fluid pressure type umbellate form stretches centering machine |
| CN106392318A (en) * | 2016-12-02 | 2017-02-15 | 长春理工大学 | Clutch driven disc-transmission disc structural part automatic preheating and clamping device and laser welding method |
| CN106392318B (en) * | 2016-12-02 | 2018-04-03 | 长春理工大学 | Clutch driven plate drive plate structural member automatic preheating clamping device and method for laser welding |
| CN107097086A (en) * | 2017-05-05 | 2017-08-29 | 哈尔滨工业大学 | Force feedback type cylindrical shape thin-wall member processing support device |
| CN115323368A (en) * | 2022-08-03 | 2022-11-11 | 济南金威刻科技发展有限公司 | High-speed steel lathe tool blade laser cladding repair equipment |
| CN115323368B (en) * | 2022-08-03 | 2024-03-22 | 济南金威刻激光科技股份有限公司 | Laser cladding repair equipment for cutting edge of high-speed steel turning tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160908 |