CN213257629U - Aluminum alloy automobile part arc welding fixture and arc welding system - Google Patents
Aluminum alloy automobile part arc welding fixture and arc welding system Download PDFInfo
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- CN213257629U CN213257629U CN202021063096.3U CN202021063096U CN213257629U CN 213257629 U CN213257629 U CN 213257629U CN 202021063096 U CN202021063096 U CN 202021063096U CN 213257629 U CN213257629 U CN 213257629U
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- aluminum alloy
- alloy automobile
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- automobile part
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Abstract
The utility model discloses an aluminum alloy automobile part arc-welding anchor clamps, including the platform and set up positioner, clamping device on the platform, still be provided with cooling device on the platform, cooling device includes cooling unit and cooling tube, is provided with the fixed orifices of location aluminum alloy automobile part on the cooling unit, and the cooling tube is used for supplying refrigerant circulation flow, the inside refrigerant pipeline that communicates with the cooling tube that is provided with of cooling unit. The utility model also provides an aluminum alloy automobile parts arc-welding system still includes the PLC switch board, the PLC switch board is used for control opening and closing of positioner, clamping device and cooling device. The utility model discloses an aluminum alloy automobile parts arc-welding anchor clamps adopts the refrigerant to cool off in the region that the welding seam is dense and the deflection is big to aluminum alloy automobile parts product, can effectively prevent the heat altered shape quantity of welding product. The utility model discloses an aluminum alloy automobile parts arc-welding system cools off the region that the deflection is big according to welding signal.
Description
Technical Field
The utility model belongs to the technical field of automobile machining, specifically speaking, the utility model relates to an aluminum alloy automobile part arc-welding anchor clamps and arc-welding system.
Background
In the current new energy automobile lightweight era, a large amount of aluminum alloy and other composite materials are applied to automobile bodies and parts, and particularly, aluminum alloy materials are used for automobile interior frameworks more frequently. The framework cross beam is an important component and a supporting part of the interior trim part of the passenger car, and the quality of the framework cross beam directly determines the strength and the stability of the interior trim part of the car body. If the aluminum alloy framework is welded by adopting a common steel material mode, the deformation can be generated after welding, the adjustment and repair amount of the welded product is increased to a great extent, a large amount of working hours are wasted, and the defects of production progress delay, yield landslide and the like can be caused in serious cases. If the welding strength of the aluminum alloy welding bone frame needs to be ensured, an arc welding process needs to be adopted. Arc welding has characteristics of high welding heat and easy welding deformation. A large amount of heat can be generated when a workpiece is welded, the heat dissipation of an aluminum alloy product is uneven due to instantaneous generation of a large amount of heat, and the product is easy to deform.
The inner decoration framework cross beam in the prior art is mainly made of steel, and the steel welding process and the aluminum alloy welding process are essentially different. The steel material does not need to be considered much in the increase of welding temperature and the amount of thermal deformation. In the traditional steel material welding process, the deformation influence of high temperature of part welding is not required to be considered, and the welding quality of products can be effectively realized by adopting a common welding process technology. The welding of the steel does not meet the welding technical requirements of the aluminum alloy, and if the same welding process is adopted for the aluminum alloy, the qualification rate of the welding of the product is far not reached. With the light automobile body and the application of a large amount of composite materials, the white automobile body, the chassis, the interior and the exterior decoration and the like of the automobile have the figure of aluminum alloy materials. The importance of aluminum alloy welding technology is increasing day by day, and the characteristics of aluminum alloy determine that various problems need to be considered in the design stage of the welding technology.
In summary, there is a need to develop and provide an arc welding fixture and an arc welding system for aluminum alloy automobile parts, which can effectively prevent the thermal deformation of aluminum alloy products during the welding process and ensure the welding quality of the products to the maximum extent.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the arc welding fixture for the aluminum alloy automobile parts is provided, so that the thermal deformation of the welded aluminum alloy products in the welding process is effectively prevented, and the welding quality of the products is ensured to the maximum extent; the arc welding system for the aluminum alloy automobile parts can automatically perform arc welding operation on the aluminum alloy, maximally ensure the adjustment and repair amount of the aluminum alloy products after welding, save manpower and material resources, reduce production cost, meet the welding production requirements of aluminum alloy automobile frameworks, and ensure the stability of product quality.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides an aluminum alloy automobile part arc-welding anchor clamps, includes the platform and set up in positioner, clamping device on the platform, still be provided with cooling device on the platform, cooling device includes cooling unit and cooling tube, the last fixed orifices that is provided with location aluminum alloy automobile part of cooling unit, the cooling tube is used for supplying refrigerant circulation flow, inside being provided with of cooling unit with the refrigerant pipeline of cooling tube intercommunication.
In another preferred embodiment, the number of the refrigerant pipes is two, and the two refrigerant pipes are respectively disposed on the top side and the bottom side of the fixing hole of the cooling unit.
In another preferred embodiment, the cooling medium pipe includes an inlet and an outlet, and the cooling pipe communicates with the inlet and the outlet.
In another preferred embodiment, the cooling device further includes a support block, the support block is fixedly connected to the platform, and the cooling unit is fixed to the support block.
In a further preferred embodiment, the cooling device further comprises a cantilever fixedly connected to the cooling unit, the cantilever being fixed to the clamping device in a length-adjustable manner.
In another preferred embodiment, the clamping device is used for clamping an aluminum alloy automobile part to be welded, and comprises a clamping unit and a power unit, wherein the power unit controls the clamping unit to clamp the aluminum alloy automobile part to be welded.
In another preferred embodiment, the positioning device is used for fixing the aluminum alloy automobile part to be welded at a specified position, and comprises a surface positioning mechanism or a hole positioning mechanism.
In another preferred embodiment, the device further comprises a PLC control cabinet, and the PLC control cabinet is used for controlling the opening and closing of the positioning device and the clamping device.
In another preferred embodiment, the device further comprises a proximity switch used for sensing the state information of the aluminum alloy automobile part, and the proximity switch is in communication connection with the PLC control cabinet. The arrangement is that after the proximity switch senses a signal that the aluminum alloy automobile part is in place, the signal is sent to the PLC control cabinet, and then the PLC control cabinet controls the positioning device and the clamping device to be started to fix and clamp the aluminum alloy automobile part.
In another preferred embodiment, hanging rings are arranged at four corners of the platform, and a reference block is further arranged on the platform. Set up like this, conveniently catch on rings through the manipulator and remove anchor clamps.
The utility model also provides an aluminum alloy automobile parts arc-welding system, including foretell aluminum alloy automobile parts arc-welding anchor clamps, still include the arc-welding unit, the assigned position arc-welding of welded aluminum alloy automobile parts is treated to the arc-welding unit.
In another preferred embodiment, the cooling system further comprises a cooling medium pumping mechanism, and the cooling medium pumping mechanism is communicated with the cooling pipe and used for pumping cooling medium to the cooling pipe.
In another preferred embodiment, the cooling device further includes a controller electrically connected to the refrigerant pumping mechanism, the controller controls the refrigerant pumping mechanism to be opened and closed according to a welding signal, and the PLC control cabinet controls the positioning device, the clamping device, and the cooling device to be opened and closed.
The technical scheme of the utility model the beneficial technological effect who gains is:
1. the utility model discloses an aluminum alloy automobile part arc-welding anchor clamps, through setting up cooling device, the region that the welding seam is dense and the deflection is big to aluminum alloy automobile part product adopts the refrigerant to cool off, and the heat that effuses when effectively absorbing the product welding can effectively prevent to weld the heat deflection of product, and the welding quality of product is guaranteed to the at utmost, reaches welded technical requirement.
2. The utility model discloses an aluminum alloy automobile part arc welding system realizes treating welding product automatic positioning, clamping and welding to cool off the intensive and big deformation region of product welding seam according to welding signal in real time, effectively reaches aluminum alloy automobile skeleton welding production requirement, and guarantees the stability of product quality; the adjustment and repair amount of the product after welding is ensured to the maximum extent, the manpower and material resources are saved, and the production cost is reduced.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
FIG. 1 is a schematic view showing the construction of an arc welding jig for an aluminum alloy automobile part according to example 1 (cooling pipe not shown);
FIG. 2 is a schematic view showing a connecting structure of a cooling apparatus and a clamping apparatus according to embodiment 2 (cooling pipes are not shown);
FIG. 3 is a block diagram showing the connection of the main parts of the arc welding system for the aluminum alloy automobile parts according to example 2.
Reference numerals:
1-platform 2-hoisting ring 3-positioning device
4-cooling device 5-reference block 6-clamping device
7-relay box 8-bus board 9-electromagnetic valve
10-support block 11-outlet 12-cooling unit
13-inlet 14-fixed block 15-cylinder
16-cantilever 17-fixed hole 18-refrigerant pipeline
19-aluminium alloy automotive part
Detailed Description
The present invention will be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
Example 1
Referring to fig. 1 and fig. 2, the arc welding fixture for aluminum alloy automobile parts in this embodiment includes a platform 1, and a positioning device 3 and a clamping device 6 that are disposed on the platform 1, the platform 1 is further provided with a cooling device 4, the cooling device 4 includes a cooling unit 12 and a cooling pipe, the cooling unit 12 is provided with a fixing hole 17 for positioning an aluminum alloy automobile part 19, the cooling pipe is used for circulating a cooling medium, and the cooling unit 12 is internally provided with a cooling medium pipeline 18 that is communicated with the cooling pipe. The platform 1 is used for installing various parts of the clamp, and the required flatness is less than 0.1mm per meter and the surface roughness is less than 3.2. Through setting up cooling device 4, adopt the refrigerant to cool off cooling unit 12 and the aluminum alloy automobile part 19 that is fixed in cooling unit 12 department in the region that 19 product welding seams of aluminum alloy automobile part are dense and the deflection is big, the heat of effluvium when effectively absorbing the product welding can effectively prevent the thermal deformation volume of welding product, and the welding quality of product is guaranteed to the at utmost, reaches welded technical requirement. The type of refrigerant can be selected according to actual conditions, such as tap water or other inorganic or organic solutions.
With continued reference to FIG. 1, in the present embodiment, the positioning device 3 is used to fix the aluminum alloy automobile part 19 to be welded in a prescribed position, and includes a face positioning mechanism or a hole positioning mechanism; wherein, the surface positioning can determine 1 direction positioning, and the hole positioning can determine 2 direction positioning; the positioning device 3 is a device for ensuring that the welding product is accurately fixed at the same position of the clamp, and the repeated fixing precision is controlled within +/-0.1 mm.
With continued reference to FIG. 1, in the present embodiment, the clamping device 6 is used for clamping and fixing the aluminum alloy automobile part 19 to be welded, and includes a clamping unit and a power unit, the power unit controls the clamping unit to clamp the aluminum alloy automobile part 19 to be welded, and the air cylinder 15 is used as the power unit in the present embodiment. The stability of the product during welding is ensured through the clamping device 6, and the clamping strength of the clamping device 6 is considered according to the actual condition of the product. When arc welding work is required, the aluminum alloy automobile part 19 to be welded is placed on the platform 1 through the manipulator, the positioning device 3 and the clamping device 6 are used for accurately positioning and clamping the part to be welded respectively, and then the welding gun is used for welding the specified position.
With reference to fig. 1, in this embodiment, the four corners of the platform 1 are provided with hanging rings 2, and the platform 1 is further provided with a reference block 5. Set up like this, conveniently catch on rings 2 through the manipulator and remove anchor clamps.
Referring to fig. 2, on the basis of the above embodiment, in another modified solution, the number of the refrigerant pipes 18 is two, and the two refrigerant pipes 18 are respectively disposed on the top side and the bottom side of the fixing hole 17 of the cooling unit 12. The refrigerant pipe 18 includes an inlet 13 and an outlet 11, and the cooling pipe is communicated with the inlet 13 and the outlet 11. With the arrangement, heat of the welded aluminum alloy automobile part 19 is transferred to the cooling unit 12, and the refrigerant flows in the cooling pipe and the refrigerant pipeline 18 to take away the heat, so that the temperature of the cooling unit 12 is effectively reduced, the purpose of rapidly cooling the welded part is achieved, and the thermal deformation is reduced.
On the basis of the above embodiment, in another modified scheme, the cooling unit 12 is made of copper or a copper alloy to be a square block, so that the heat conductivity of the cooling unit 12 is high, and more heat can be absorbed in a short time.
Referring to fig. 2, on the basis of the above embodiment, in another modified solution, the cooling device 4 further includes a supporting block 10, the supporting block 10 is fixedly connected with the platform 1, and the cooling unit 12 is fixed on the supporting block 10. By means of the arrangement, the supporting block 10 can be replaced according to the model of the aluminum alloy automobile part 19 to be welded, and the matching of the cooling unit 12 and the aluminum alloy automobile part 19 to be welded is guaranteed.
On the basis of the above embodiment, in another modified solution, the cooling device 4 further includes a cantilever 16 fixedly connected to the cooling unit 12, and the cantilever 16 is fixed to the fixing block 14 of the clamping device 6 in a length-adjustable manner; the clamping device 6 is fixed to the platform 1 by means of a fixing block 14. By the arrangement, the length of the cantilever 16 can be conveniently adjusted according to the model of the aluminum alloy automobile part 19 to be welded, and the matching of the cooling unit 12 and the aluminum alloy automobile part 19 to be welded is ensured.
Example 2
Referring to fig. 1 and 2, the present embodiment provides a 19 arc welding system for an aluminum alloy automobile part, including the arc welding jig for an aluminum alloy automobile part of embodiment 1 described above, and further including an arc welding unit that arc-welds specified positions of the aluminum alloy automobile part 19 to be welded.
With reference to fig. 1, as an improvement of the present embodiment, in another embodiment, the cooling device 4 further includes a refrigerant pumping mechanism and a controller, the refrigerant pumping mechanism is communicated with the cooling pipe for pumping the refrigerant to the cooling pipe; the cooling device 4 further comprises a controller electrically connected with the refrigerant pumping mechanism, the controller controls the refrigerant pumping mechanism to be opened and closed according to the welding signal, and cooling water is circularly supplied to the refrigerant pipeline, so that heat of the aluminum alloy automobile part product in the fixing hole of the cooling unit is absorbed, welding high temperature is transferred to a circulating refrigerant medium, and the purpose of rapidly cooling the welded product is achieved.
Referring to fig. 3, on the basis of the embodiment, in another modified scheme, the arc welding system for the aluminum alloy automobile part 19 further comprises a PLC control cabinet, and the PLC control cabinet is used for controlling the opening and closing of the positioning device 3 and the clamping device 6. In the scheme, a relay box 7 and a bus bar 8 are arranged on a platform 1 of the arc welding clamp, and an electric element connected with the positioning device 3 and the clamping device 6 is arranged on the bus bar 8. The bus bar 8 is further provided with an electromagnetic valve 9, the electromagnetic valve 9 is an electric control valve, and the opening and closing of the positioning device 3 and the clamping device 6 are controlled by controlling electric elements on the bus bar 8. The relay box 7 is in communication connection with the PLC control cabinet and executes the received control signal by controlling the working state of the electromagnetic valve 9; that is, the PLC control cabinet controls the opening and closing of the positioning device 3 and the clamping device 6 through the relay box 7. The pipe distribution line of the arc welding system comprises water, electricity and gas pipelines and is used for realizing the connection function of an electric system and a circulating cooling system. Regarding the control connection relationship between the PLC control cabinet and the relay box 7 and the solenoid valve 9, it can be realized by purchasing corresponding products in the market and assembling according to corresponding operation principles in the prior art in the field, which is not an improvement point created by the present invention, and thus details are not repeated.
On the basis of the embodiment, in another improved scheme, the device further comprises a proximity switch used for sensing the state information of the aluminum alloy automobile part 19, and the proximity switch is in communication connection with the PLC control cabinet. By the arrangement, after the proximity switch senses a signal that the aluminum alloy automobile part 19 is in place, the signal is sent to the PLC control cabinet, and then the PLC control cabinet controls the positioning device 3 and the clamping device 6 to be started, so that the aluminum alloy automobile part 19 is fixed and clamped.
The operation of the arc welding system in the present embodiment will be briefly described:
1) the PLC control cabinet sends a signal to a control system of the cooling device 4, the controller starts the refrigerant pumping mechanism, and the refrigerant starts to circulate;
2) the PLC control cabinet sends signals to the positioning device 3 and the clamping device 6, and the positioning device 3 and the clamping device 6 are opened;
3) placing the aluminum alloy automobile parts 19 to be welded, such as the skeleton assembly and the small welding parts, in the positioning device 3 and the clamping device 6;
4) the PLC control cabinet sends a signal to the clamping device 6, and the clamping device 6 clamps the workpiece to be welded;
5) the PLC control cabinet sends a welding signal, and the arc welding robot starts welding;
6) and (3) after the welding is finished, sending a signal by the PLC control cabinet, opening the positioning device 3 and the clamping device 6, and taking down the welded aluminum alloy automobile part 19 such as a framework beam assembly.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an aluminum alloy automobile part arc-welding anchor clamps, includes the platform and set up in positioner, clamping device on the platform, its characterized in that, still be provided with cooling device on the platform, cooling device includes cooling unit and cooling tube, the last fixed orifices that is provided with location aluminum alloy automobile part of cooling unit, the cooling tube is used for supplying refrigerant circulation flow, cooling unit inside be provided with the refrigerant pipeline of cooling tube intercommunication.
2. The aluminum alloy arc welding jig for automobile parts according to claim 1, wherein the number of the refrigerant pipes is two, and the two refrigerant pipes are respectively disposed at the top side and the bottom side of the fixing hole of the cooling unit.
3. The aluminum alloy automobile part arc welding jig according to claim 2, wherein the coolant conduit includes an inlet and an outlet, the cooling pipe communicating with the inlet and the outlet.
4. The aluminum alloy automobile part arc welding jig of claim 3, wherein the cooling device further comprises a support block, the support block is fixedly connected with the platform, and the cooling unit is fixed to the support block.
5. The aluminum alloy automobile part arc welding jig according to claim 4, wherein the clamping device is used for clamping the aluminum alloy automobile part to be welded, and comprises a clamping unit and a power unit, and the power unit controls the clamping unit to clamp the aluminum alloy automobile part to be welded.
6. The aluminum alloy automobile part arc welding jig according to claim 5, wherein the positioning means is used to fix the aluminum alloy automobile part to be welded at a specified position, and includes a face positioning mechanism or a hole positioning mechanism.
7. The aluminum alloy automobile part arc welding jig according to claim 5, further comprising a PLC control cabinet for controlling opening and closing of the positioning device and the clamping device.
8. An arc welding system for aluminum alloy automobile parts, comprising the arc welding jig for aluminum alloy automobile parts according to any one of claims 1 to 7, and further comprising an arc welding unit that arc-welds specified positions of the aluminum alloy automobile parts to be welded.
9. The aluminum alloy automobile part arc welding system according to claim 8, further comprising a coolant pumping mechanism in communication with the cooling tube for pumping coolant to the cooling tube.
10. The aluminum alloy automobile part arc welding system according to claim 9, wherein the cooling device further comprises a controller electrically connected with the refrigerant pumping mechanism, and the controller controls the refrigerant pumping mechanism to be turned on and off according to the welding signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063096.3U CN213257629U (en) | 2020-06-10 | 2020-06-10 | Aluminum alloy automobile part arc welding fixture and arc welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063096.3U CN213257629U (en) | 2020-06-10 | 2020-06-10 | Aluminum alloy automobile part arc welding fixture and arc welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213257629U true CN213257629U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021063096.3U Active CN213257629U (en) | 2020-06-10 | 2020-06-10 | Aluminum alloy automobile part arc welding fixture and arc welding system |
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| Country | Link |
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| CN (1) | CN213257629U (en) |
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- 2020-06-10 CN CN202021063096.3U patent/CN213257629U/en active Active
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