CN117532135A - Friction welding equipment and automatic welding system based on die clamping - Google Patents
Friction welding equipment and automatic welding system based on die clamping Download PDFInfo
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- CN117532135A CN117532135A CN202311807924.8A CN202311807924A CN117532135A CN 117532135 A CN117532135 A CN 117532135A CN 202311807924 A CN202311807924 A CN 202311807924A CN 117532135 A CN117532135 A CN 117532135A
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- die
- driving structure
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- 238000003466 welding Methods 0.000 title claims abstract description 53
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a friction welding device and an automatic welding system based on mold clamping, comprising a movable end and a fixed end, wherein the movable end further comprises a movable end mold, and the fixed end further comprises a fixed end mold; the movable end die is provided with a tooth shape corresponding to the first end of the first workpiece to be machined; the fixed end die is provided with the tooth form corresponding to the first end of the second workpiece to be machined, and the workpiece to be machined can be stably fixed in the die through mutual clamping of the tooth form, so that the problems that the workpiece is easy to loosen and cannot be accurately aligned in the welding process can be effectively solved.
Description
Technical Field
The invention relates to the technical field of friction welding of mechanical parts and automatic feeding of parts, in particular to a friction welding device and an automatic welding system based on mold clamping.
Background
Friction welding is an emerging welding process, is generally suitable for welding rotatable objects, generates heat through friction as a heat source, enables workpieces to be welded in a thermoplastic state based on pressure, such as metal and thermoplastic materials, can avoid dilution and oxidation of the materials in the traditional welding, and has the characteristics of high joint strength, good sealing performance and strong fatigue resistance.
In the friction welding technology, workpieces are usually butted after rotating at a high speed, so that the requirements on the butting pressure and the accuracy are high, and although the prior art usually adopts optical alignment or sensor alignment in the welding process to ensure the qualification rate of workpiece processing, the workpieces rotating at a high speed still easily shake, so that the butting dislocation is caused, the welding accuracy is reduced, and the processed workpieces are required to be checked for the second time manually; meanwhile, because higher butt joint precision is required for friction welding, high temperature is generated in the welding process, high-precision butt joint and automatic feeding work cannot be met when workpieces are placed through manpower, and the welding efficiency of the workpieces is low.
Therefore, the prior art has the technical problems that the workpiece is easy to loosen and cannot be accurately aligned in welding, and the workpiece cannot be accurately and rapidly fed after the welding is finished.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a friction welding device and an automatic welding system based on die clamping, which can effectively solve the problems that workpieces are easy to loosen and cannot be accurately aligned in the welding process, improve the workpiece feeding speed, reduce the manual operation intensity and are particularly suitable for reconstruction and upgrading of the conventional friction welding device.
In order to achieve the above object, the present invention adopts the technical scheme that:
the friction welding equipment based on the mold clamping comprises a movable end and a fixed end, wherein the movable end is respectively connected with a first driving structure and a second driving structure, and the first driving structure is further provided with a first control device;
the movable end die is provided with a tooth shape corresponding to the first end of the first workpiece to be machined;
the fixed end die is provided with a tooth shape corresponding to the first end of the second workpiece to be machined;
the movable end is opened/closed through the first driving structure to perform displacement relatively close to/far from the fixed end;
the moving end is opened/closed by the second driving structure to perform rotary motion around the axis of the moving end.
Further, the movable end die is provided with a movable end chuck for fixing the first end of the first workpiece to be machined;
the fixed end die is provided with a fixed end chuck for fixing the first end of the second to-be-machined piece.
Further, the movable end chuck and the fixed end chuck are hydraulic chucks controlled by hydraulic pressure.
Further, the fixed end further comprises a pressure sensor, and the pressure sensor measures the pressure value born by the fixed end die;
the first control means controls the first driving structure based on the pressure value;
when the pressure value is judged to be smaller than a preset threshold value, continuing to execute the close displacement relative to the fixed end;
and stopping executing the close displacement and executing the far-away displacement relative to the fixed end when the pressure value is judged to be larger than the preset threshold value.
Further, the first driving structure is a servo hydraulic cylinder, and the first control device is a hydraulic cylinder controller;
the second driving structure is a servo motor.
Further, the movable end is relatively close to/far away from the fixed end in a horizontal displacement mode.
The invention also relates to an automatic welding system which is characterized by comprising the friction welding equipment, a feeding device and a three-jaw air jaw;
the three-jaw air jaw clamps the first to-be-machined piece and the second to-be-machined piece from the feeding device at a first working position and transmits the first to-be-machined piece and the second to-be-machined piece to the movable end die and the fixed end die.
Further, loading attachment further includes: the device comprises a storage bin, a storage groove, a stepped lifting sorting machine, a first pushing cylinder and a second pushing cylinder;
the bin is provided with the first to-be-machined part and the second to-be-machined part, and is connected with the stock tank;
the step-type lifting and sorting machine sorts and sorts the first to-be-processed workpiece and the second to-be-processed workpiece and then conveys the sorted to the stock tank;
the first pushing cylinder and the second pushing cylinder push the first to-be-machined piece and the second to-be-machined piece in the storage groove into the three-jaw air jaw respectively.
Further, the first to-be-machined parts and the second to-be-machined parts are arranged in a horizontal end-to-end connection state by the step-type lifting sorting machine.
The beneficial effects of the invention are as follows:
according to the friction welding equipment and the automatic welding system based on the die clamping, the movable end die is provided with the tooth form corresponding to the first end of the first workpiece to be processed, the fixed end die is provided with the tooth form corresponding to the first end of the second workpiece to be processed, the workpiece to be processed can be stably fixed in the die through the mutual clamping of the tooth forms, the problems that workpieces are easy to loose and cannot be accurately aligned in the welding process can be effectively solved, the workpieces to be processed in the storage bin are sequenced through the step-type lifting sequencing machine and are conveyed to the storage bin, the workpieces to be processed are conveyed to the three-jaw air jaw through the pushing cylinder for automatic feeding, the workpiece feeding speed is improved, the manual operation strength is reduced, and the friction welding equipment is particularly suitable for improvement and upgrading of the existing friction welding device.
Drawings
Fig. 1a is a schematic structural diagram of a first workpiece to be machined according to an embodiment of the present application;
fig. 1b is a schematic structural diagram of a second to-be-machined member according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a friction welding device based on mold clamping according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a welded finished product of a workpiece to be machined according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an automatic welding system according to an embodiment of the present disclosure;
fig. 5 is a schematic view of a state of a three-jaw gas jaw clamping workpiece to be machined according to an embodiment of the present application.
Description of the drawings: 1-first to-be-machined piece, 2-second to-be-machined piece, 11-first to-be-machined piece first end, 12-first to-be-machined piece second end, 21-second to-be-machined piece first end, 22-second to-be-machined piece second end, 20-friction welding equipment, 5-fixed end, 6-movable end, 7-first driving structure, 8-second driving structure, 9-movable end mold, 10-fixed end mold, 13-movable end chuck, 14-fixed end chuck, 15-pressure sensor, 16-first control device, 17-automatic welding system, 18-stock bin, 19-stock bin, 24-step-type lifting and sorting machine, 25-first pushing cylinder and 26-second pushing cylinder.
Detailed Description
For a clearer understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
As shown in fig. 1a, the first workpiece 1 shown in the present application is a schematic structural diagram of a cylindrical structure, and has a first end 11 and a second end 12, where the first end 11 and the second end 12 have protruding tooth structures that are uniformly distributed;
as shown in fig. 1b, the second workpiece 2 is shown in the present application, and has a cylindrical structure, and has a first end 21 and a second end 22, where the first end 21 has a concave tooth structure, and the second end 22 has a disc structure;
as shown in fig. 2, the friction welding device 20 based on die clamping in the application comprises a fixed end 5 and a movable end 6, wherein the movable end 6 comprises a first driving structure 7 (a servo hydraulic cylinder) and a second driving structure 8 (a servo motor), and the first driving structure 7 is further provided with a first control device 16 (a hydraulic cylinder controller); the movable end 6 is movably arranged, the movable end 6 comprises a movable end die 9, the fixed end 5 is fixedly arranged, and the fixed end 5 is provided with a fixed end die 10; in use, the movable end die 9 fixes the first end 21 of the second workpiece 2, the fixed end die 10 fixes the first end 11 of the first workpiece 1, the movable end 6 is opened/closed by the first driving structure 7 to perform displacement relatively close to/far away from the fixed end 5, and the second driving structure 8 is opened/closed to perform rotary motion around the axis of the movable end 6, so that the second end 12 of the first workpiece 1 and the second end 22 of the second workpiece 2 are rubbed at high speed, and the welding temperature is reached, and then the welding product is welded, as shown in fig. 3. Unlike the prior art, the movable end die 9 is provided with a tooth form (not shown in the figure) corresponding to the first end 21 of the second workpiece to be machined 2, the fixed end die 10 is provided with a tooth form (not shown in the figure) corresponding to the first end 11 of the first workpiece to be machined 1, and when the movable end die 9 and the fixed end die 10 are used for fixing the workpiece to be machined, the workpiece to be machined can be stably fixed in the die through mutual clamping of the tooth forms, so that loosening of the workpiece to be machined in high-speed rotation is avoided, and the workpiece to be machined can be accurately aligned. Preferably, the movable end mold 9 is provided with a movable end chuck 13 for fixing the first end 21 of the second workpiece to be machined 2, the fixed end mold 10 is provided with a fixed end chuck 14 for fixing the first end 11 of the first workpiece to be machined, and the chuck can be controlled by hydraulic pressure, so that the workpiece to be machined can be further fixed, and the rotation and the displacement of the workpiece to be machined in the extrusion process can be prevented.
Further, the fixed end 5 is also provided with a pressure sensor 15, and the pressure value born by the fixed end die 10 is measured by the pressure sensor 15; when in use, the pressure sensor 15 continuously measures the pressure value of the fixed die 10, and when the pressure value is judged to be smaller than a preset threshold value, the first control device 16 controls the first driving structure 7 to horizontally displace based on the pressure value, so that the movable end 6 and the fixed end 5 are further close to each other, and the preset workpiece extrusion strength is achieved; and when the pressure value is judged to be larger than the preset threshold value, stopping executing the close horizontal displacement, and executing the horizontal displacement of the moving end 6 far away from the fixed end 5 so as to prevent deformation of the workpiece to be processed caused by overlarge pressure between the workpieces.
A schematic structural diagram of a preferred embodiment of an automated welding system 17 employing the friction welding apparatus 20 described above is shown in fig. 4. In the preferred embodiment, the first workpiece 1 and the second workpiece 2 are respectively stored in the bin 18, the bin 18 is connected with the stock tank 19, a stepped lifting and sorting machine 24 is disposed in the bin 18, the workpieces to be processed are respectively arranged in a horizontal end-to-end connection state by the stepped lifting and sorting machine 24 and are conveyed to the stock tank 19, the first pushing cylinder 25 and the second pushing cylinder 26 respectively push the first workpiece 1 and the second workpiece 2 into the three-jaw air jaw 23, the three-jaw air jaw 23 clamps the second end 12 of the first workpiece 1 and the second end 22 of the second workpiece 2, the three-jaw air jaw 23 clamps the parts, as shown in fig. 5, and then the workpieces to be processed are respectively transferred to the movable end die 9 and the fixed end die 10 after the three-jaw air jaw 23 clamps the workpieces, so that automatic feeding of the workpieces to be processed is completed, the workpiece feeding speed and the manual work intensity can be improved, and the manual work intensity can be reduced.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (9)
1. The friction welding equipment based on the mold clamping comprises a movable end and a fixed end, wherein the movable end comprises a first driving structure and a second driving structure, and the first driving structure is provided with a first control device;
the movable end die is provided with a tooth shape corresponding to the first end of the first workpiece to be machined;
the fixed end die is provided with a tooth shape corresponding to the first end of the second workpiece to be machined;
the movable end is opened/closed through the first driving structure to perform displacement relatively close to/far from the fixed end;
the moving end is opened/closed by the second driving structure to perform rotary motion around the axis of the moving end.
2. A friction welding apparatus as defined in claim 1 wherein,
the movable end die is provided with a movable end chuck for fixing the first end of the first workpiece to be machined;
the fixed end die is provided with a fixed end chuck for fixing the first end of the second to-be-machined piece.
3. A friction welding apparatus as defined in claim 2 wherein,
the movable end chuck and the fixed end chuck are hydraulic chucks controlled by hydraulic pressure.
4. The friction welding apparatus according to claim 1 or 2, wherein the fixed end further comprises a pressure sensor that measures a pressure value to which the fixed end mold is subjected;
the first control means controls the first driving structure based on the pressure value;
when the pressure value is judged to be smaller than a preset threshold value, continuing to execute the close displacement relative to the fixed end;
and stopping executing the close displacement and executing the far-away displacement relative to the fixed end when the pressure value is judged to be larger than the preset threshold value.
5. A friction welding apparatus as defined in claim 4 wherein,
the first driving structure is a servo hydraulic cylinder, and the first control device is a hydraulic cylinder controller;
the second driving structure is a servo motor.
6. The friction welding apparatus as recited in claim 1 wherein said movable end is relatively close to/remote from said fixed end in a horizontal displacement manner.
7. An automatic welding system, characterized by comprising the use of the friction welding device according to any one of claims 1 to 6, further comprising a loading device, and a three-jaw gas jaw;
the three-jaw air jaw clamps the first to-be-machined piece and the second to-be-machined piece from the feeding device at a first working position and transmits the first to-be-machined piece and the second to-be-machined piece to the movable end die and the fixed end die.
8. The automated welding system of claim 7, wherein the loading device further comprises: the device comprises a storage bin, a storage groove, a stepped lifting sorting machine, a first pushing cylinder and a second pushing cylinder;
the bin is provided with the first to-be-machined part and the second to-be-machined part, and is connected with the stock tank;
the step-type lifting and sorting machine sorts and sorts the first to-be-processed workpiece and the second to-be-processed workpiece and then conveys the sorted to the stock tank;
the first pushing cylinder and the second pushing cylinder push the first to-be-machined piece and the second to-be-machined piece in the storage groove into the three-jaw air jaw respectively.
9. The automated welding system of claim 8, the stepped lift sequencer aligning the first work-piece and the second work-piece in a horizontally oriented end-to-end configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311807924.8A CN117532135A (en) | 2023-12-26 | 2023-12-26 | Friction welding equipment and automatic welding system based on die clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311807924.8A CN117532135A (en) | 2023-12-26 | 2023-12-26 | Friction welding equipment and automatic welding system based on die clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117532135A true CN117532135A (en) | 2024-02-09 |
Family
ID=89788300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311807924.8A Pending CN117532135A (en) | 2023-12-26 | 2023-12-26 | Friction welding equipment and automatic welding system based on die clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117532135A (en) |
-
2023
- 2023-12-26 CN CN202311807924.8A patent/CN117532135A/en active Pending
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