CN117600831A - An integrated automatic device for forming and friction stir welding - Google Patents
An integrated automatic device for forming and friction stir welding Download PDFInfo
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- CN117600831A CN117600831A CN202311365727.5A CN202311365727A CN117600831A CN 117600831 A CN117600831 A CN 117600831A CN 202311365727 A CN202311365727 A CN 202311365727A CN 117600831 A CN117600831 A CN 117600831A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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Abstract
The invention provides a forming and friction stir welding integrated automatic device, which comprises two-axis friction stir welding equipment and a base; a bottom upright post, a die mounting and counterweight base are arranged on the base, side upright posts are respectively arranged on two sides of the bottom upright post, and a feeding roller way is arranged on the inner side of the side upright posts; the two-shaft friction stir welding equipment is positioned at one side of the side stand column, and the die mounting and counterweight base is positioned at the rear sides of the bottom stand column and the side stand column; the end face of the bottom upright post is provided with a bottom forming mechanism, and the end face of the side upright post is provided with a side forming mechanism. The invention can complete two working procedures of forming and welding through automatic control at the same machine position, effectively solves the problems of low quality and efficiency in the batch production process, complicated circulation among the existing production process flows, incapability of well ensuring the assembly reliability and consistency in the repeated clamping process and the like, and meets the urgent requirements of workpiece batch production on high efficiency and high quality.
Description
Technical Field
The invention relates to a forming and friction stir welding integrated automatic device, belongs to the technical field of mechanical processing automatic equipment, and particularly relates to an integrated and friction stir welding process integrated automatic device.
Background
In recent years, because light alloys such as magnesium/aluminum have the advantages of high specific strength, large elastic modulus, strong electric conductivity and thermal conductivity, good biocompatibility and the like, the requirements of cylinder/box structural members in various manufacturing fields such as aerospace, new energy automobiles, high-voltage power transmission and transformation lines and the like are increasing.
Compared with the traditional fusion welding process, the magnesium/aluminum alloy friction stir welding technology has the advantages of high efficiency, high quality, low cost, low deformation welding and the like, and is a preferred high-quality high-efficiency green welding process for the thin-wall aluminum alloy structure. And along with the needs of traditional manufacturing to high-efficient, high-quality intelligent manufacturing transformation upgrading, traditional manufacturing production process flow is complicated, department parts need to be transferred across departments for a plurality of times, equipment accuracy is low, automation degree is low, worker skill is excessively relied on, labor intensity of workers is high, production efficiency is high, and product quality consistency is difficult to guarantee.
In order to solve the problems that the quality and the efficiency are low in the batch production process, the circulation among the existing production process flows is complicated, the assembly reliability and consistency cannot be well ensured in the repeated clamping process, and the like, an automatic forming and welding device is required to be designed, and the high-quality batch production requirement is realized through the device.
Disclosure of Invention
In order to solve the technical problems, the invention provides an integrated automatic device for forming and friction stir welding.
The invention is realized by the following technical scheme.
The invention provides a forming and friction stir welding integrated automatic device which comprises two-axis friction stir welding equipment and a forming and welding tool; the forming and welding tool comprises a base, wherein a bottom upright post and a die mounting and counterweight base are mounted on the base, side upright posts are respectively arranged on two sides of the bottom upright post, and a feeding roller way is arranged on the inner side of the side upright post; the two-shaft friction stir welding equipment is positioned at one side of the side stand column, and the die mounting and counterweight base is positioned at the rear sides of the bottom stand column and the side stand column; the end face of the bottom upright post is provided with a bottom forming mechanism, and the end face of the side upright post is provided with a side forming mechanism; a blanking pushing mechanism is arranged in the die mounting and counterweight base, and one end of the blanking pushing mechanism is connected with an inner die;
the bottom forming mechanism and the inner die are used for completing U forming, and the side forming mechanism and the inner die are used for completing O forming; the two-shaft friction stir welding equipment is used for completing friction stir welding, and the feeding roller way and the discharging pushing mechanism complete automatic feeding and discharging; after the side forming mechanism is assembled, a gap is reserved on the welding line side; after the bottom forming mechanism and the side forming mechanism are assembled, the joint is removed, and the bottom forming mechanism, the side forming mechanism and the outer surface of the workpiece are completely attached.
The side stand column, the bottom stand column, the die installation and the counterweight base are all installed on the base, and the bottom stand column is located right below the inner die.
The center line of the main shaft of the two-shaft friction stir welding device is parallel to the center line of the inner die and coincides with the center line of the inner die in the vertical direction.
The central axis of the bottom forming mechanism is parallel to the inner die and coincides in the vertical direction.
The side forming mechanisms are symmetrically arranged along the central axis of the inner die.
The feeding roller way consists of a plurality of universal balls.
The bottom forming mechanism comprises an oil cylinder II, and the oil cylinder II is connected with a semicircular outer die through a guide rod II.
The side forming mechanism comprises a base, an oil cylinder I is arranged in the base, and the oil cylinder I is connected with an arc-shaped outer die through a guide rod I.
The blanking pushing mechanism comprises an oil cylinder III, the oil cylinder III is connected with a check ring through a guide rod III, and the check ring is connected with the inner die.
The bottom forming mechanism moves up and down along the inner die, the side forming mechanism moves horizontally along the inner die, and the blanking pushing mechanism moves along the axis of the inner die.
The invention has the beneficial effects that: the two working procedures of forming and welding can be finished through automatic control at the same machine position, the problems that the quality and the efficiency are low in the batch production process, the circulation is complicated among the existing production process flows, the assembly reliability and consistency cannot be well ensured in the repeated clamping process and the like are effectively solved, and the urgent demands of workpiece batch production on high efficiency and high quality are met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the structure of the two-axis friction stir welding apparatus of the present invention with the two axes thereof removed;
FIG. 3 is a schematic view of the side forming mechanism of FIG. 1;
FIG. 4 is a schematic structural view of the blanking pushing mechanism in FIG. 1;
fig. 5 is an enlarged view at a in fig. 2;
in the figure: the device comprises a 1-two-shaft friction stir welding device, a 2-bottom forming mechanism, a 3-side forming mechanism, a 4-base, a 5-side stand column, a 6-bottom stand column, a 7-die mounting and weight base, an 8-blanking pushing mechanism, a 9-feeding roller way, a 10-internal die, a 301-base, a 302-oil cylinder I, a 303-arc external die, a 304-guide rod I, a 601-oil cylinder II, a 602-semicircle external die, a 603-guide rod II, a 801-oil cylinder III, an 802-guide rod III and 803-check ring.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
Example 1
As shown in fig. 1 and 2, an integrated forming and friction stir welding automatic device comprises a two-axis friction stir welding device 1 and a forming and welding tool; the forming and welding tool comprises a base 4, wherein a bottom upright post 6 and a die mounting and counterweight base 7 are mounted on the base 4, side upright posts 5 are respectively arranged on two sides of the bottom upright post 6, and a feeding roller way 9 is arranged on the inner side of the side upright posts 5; the two-axis friction stir welding equipment 1 is positioned on one side of the side upright 5, and the die mounting and counterweight base 7 is positioned on the rear sides of the bottom upright 6 and the side upright 5; the end face of the bottom upright post 6 is provided with a bottom forming mechanism 2, and the end face of the side upright post 5 is provided with a side forming mechanism 3; a blanking pushing mechanism 8 is arranged in the die mounting and counterweight base 7, and one end of the blanking pushing mechanism 8 is connected with an inner die 10;
the bottom forming mechanism 2 and the inner die 10 are used for completing U forming, and the side forming mechanism 3 and the inner die 10 are used for completing O forming; the two-shaft friction stir welding equipment 1 is used for completing friction stir welding, and the feeding roller way 9 and the discharging pushing mechanism 8 complete automatic feeding and discharging; after the side forming mechanism 3 is assembled, a gap is reserved on the welding line side; after the bottom forming mechanism 2 and the side forming mechanism 3 are assembled, the joint is removed, and the bottom forming mechanism 2 and the side forming mechanism 3 are completely attached to the outer surface of the workpiece.
Preferably, a gap of 20-30 mm is reserved on the welding line side after the arc-shaped outer die 303 is clamped, so that interference with the stirring head is avoided; the semicircular outer die 602 at the bottom is completely attached to the outer surface of the workpiece after being matched with the arc-shaped outer dies 303 at the two sides, and no gap is reserved at the joint.
The side stand column 5, the bottom stand column 6, the die installation and the counterweight base 7 are all installed on the base 4, and the bottom stand column 6 is positioned right below the internal die 10.
The main shaft center line of the two-shaft friction stir welding device 1 is parallel to the center line of the inner die 10 and coincides with the center line in the vertical direction.
The central axis of the bottom forming mechanism 2 is parallel to the inner die 10 and coincides in the vertical direction.
The side forming mechanisms 3 are symmetrically arranged along the central axis of the inner die 10.
The feeding roller way 9 consists of a plurality of universal balls.
As shown in fig. 5, the bottom forming mechanism 2 includes an oil cylinder II601, and the oil cylinder II601 is connected to a semicircular outer die 602 through a guide rod II 603.
As shown in fig. 3, the side forming mechanism 3 includes a base 301, an oil cylinder I302 is provided in the base 301, and the oil cylinder I302 is connected to an arc-shaped outer mold 303 through a guide rod I304.
As shown in fig. 4, the discharging pushing mechanism 8 includes an oil cylinder III801, the oil cylinder III801 is connected with a retainer 803 through a guide rod III802, and the retainer 803 is connected with the inner mold 10.
The bottom forming mechanism 2 moves up and down along the inner die 10, the side forming mechanism 3 moves horizontally along the inner die 10, and the blanking pushing mechanism 8 moves along the axis of the inner die 10.
Example 2
The bottom forming mechanism 2, the side forming mechanism 3 and the inner die 10 together constitute a U-forming and O-forming mechanism and are used to complete the forming process.
After the workpiece is formed by the two-shaft friction stir welding equipment 1, the friction stir welding process is completed at the same station, and automatic feeding and discharging are completed through the feeding roller way 9 and the discharging pushing mechanism 8.
When the two-axis friction stir welding device 1 completes the friction stir welding process, a main shaft of the friction stir welding provides a stroke of pushing down and moving along the welding line direction.
The bottom forming mechanism 2 is provided with upward thrust by the oil cylinder II601 and is matched with the semicircular outer die 602 to finish U forming.
The side forming mechanism 3 is provided with side thrust by a plurality of oil cylinders I302, and the plate U is matched with the arc-shaped outer die 303 to complete O-shaped die assembly after being formed.
The side stand columns 5 are arranged on two sides of the center of the inner die 10 and provide mounting support for the side forming mechanism 3; the bottom upright post 6 is arranged right below the internal mold 10 and provides a mounting base for mechanical parts such as an oil cylinder II601 and the like for the bottom forming mechanism 2; the die mounting and counterweight base 7 is a detachable die, provides a mounting base and provides a counterweight, and ensures the rigidity of the whole device in the friction stir welding process.
The blanking pushing mechanism 8 provides thrust for automatic demoulding of the workpiece after friction stir welding.
The feeding roller way 9 is composed of a plurality of universal balls, is arranged on the inner sides of the two side stand columns 5, is slightly lower than the lower plane position of the inner die 10 in the vertical direction, and provides rolling friction for feeding the plate material, so that scratch on the surface of the material is avoided.
Example 3
Based on the technical scheme of example 1, and:
the base 4 is a base of all mechanisms except the two-shaft friction stir welding equipment 1 and is arranged on the ground.
The inner mold 10, the two side arc outer molds 303 and the semicircular outer mold 602 at the bottom are of replaceable and detachable structures, and can adapt to boxes/cylinders with different specifications in a certain range.
The bottom forming mechanism 2 is driven by an oil cylinder II601 and can move up and down along the inner die 10; the side forming mechanism 3 is driven by an oil cylinder I302 and can move along the horizontal direction of the inner die 10; the blanking pushing mechanism 8 is driven by the oil cylinder III801 and can move along the axis of the inner die 10.
Example 4
Based on the technical scheme of example 1, and:
the application method of the invention is as follows:
step S1, calculating and determining the unfolding size of a workpiece, determining the length and width size of a plate, and pre-bending two sides of a joint of the workpiece;
s2, feeding the plate into a station through a feeding roller way 9;
step S3: the semicircular outer die 602 at the bottom punches and bends the workpiece upwards to finish U-forming;
step S4: the workpiece is kept in a U-shaped state, and the two arc-shaped outer dies 303 are used for inwards punching and bending the workpiece to finish O-shaping;
step S5: the workpiece is kept in an O-shaped state, and a friction stir welding procedure is carried out by a two-shaft friction stir welding device 1;
step S6: the workpiece is sent out of the station by a blanking push-out mechanism 8.
Example 5
Based on the technical scheme of example 1, and:
the working principle of the invention is as follows: after the workpiece plate after blanking and pre-bending is sent into a station through a feeding roller way 9, the workpiece is punched and bent upwards through a semicircular outer die 602 at the bottom, U forming is completed, the U forming state is kept, then the arc outer dies 303 at the two sides inwards punch and bend the workpiece to complete O forming, a friction stir welding process is carried out, and finally the workpiece is sent out of the station through a blanking push-out mechanism 8.
In summary, the beneficial effects of the invention are as follows:
1. the forming and welding processes are completed in the same machine position, so that the repeated circulation of parts across a plurality of stations of a plurality of departments can be greatly reduced, and an automatic control technology is adopted: the forming, welding, loading and unloading can greatly reduce the operation strength of workers, improve the assembly precision and improve the production efficiency;
2. the one-time clamping forming and welding are greatly improved in assembly consistency compared with the traditional manufacturing process, and the product quality consistency can be greatly improved.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365727.5A CN117600831A (en) | 2023-10-20 | 2023-10-20 | An integrated automatic device for forming and friction stir welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311365727.5A CN117600831A (en) | 2023-10-20 | 2023-10-20 | An integrated automatic device for forming and friction stir welding |
Publications (1)
| Publication Number | Publication Date |
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| CN117600831A true CN117600831A (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311365727.5A Pending CN117600831A (en) | 2023-10-20 | 2023-10-20 | An integrated automatic device for forming and friction stir welding |
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| Country | Link |
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| CN (1) | CN117600831A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02197318A (en) * | 1989-01-25 | 1990-08-03 | Nippon Steel Corp | Manufacture of thin-wall metallic tube |
| TW200417428A (en) * | 2003-01-20 | 2004-09-16 | Nippon Steel Corp | A metal foil tube, a process and an apparatus for producing the same |
| CN1738687A (en) * | 2003-01-20 | 2006-02-22 | 新日本制铁株式会社 | Metal foil tube and its manufacturing method and manufacturing device |
| CN103286158A (en) * | 2012-02-29 | 2013-09-11 | 宝山钢铁股份有限公司 | Method and device for preparing variable-thickness longitudinal laser welded pipe in two-step forming way |
| CN206795036U (en) * | 2017-05-10 | 2017-12-26 | 天津市庚信达铝业有限公司 | A kind of supporting mechanism for water cooling motor housing agitating friction straight seam welding fixture |
| CN109774096A (en) * | 2019-01-26 | 2019-05-21 | 宁波牛盾塑料机械有限公司 | A kind of production method of machine barrel wear-resistant sleeve |
| CN111069362A (en) * | 2019-12-27 | 2020-04-28 | 舆软科技(上海)有限责任公司 | Forming method of tubular part |
| CN216633684U (en) * | 2022-01-25 | 2022-05-31 | 济南文德数控机床有限公司 | Automatic loading and unloading mechanism of starting gear for numerical control cylindrical grinding machine |
| CN116685431A (en) * | 2020-12-22 | 2023-09-01 | 米文缇有限责任公司 | Friction stir welding tool, welding method and sheet welding machine |
| CN221269982U (en) * | 2023-10-20 | 2024-07-05 | 贵州航天天马机电科技有限公司 | Forming and welding tool |
-
2023
- 2023-10-20 CN CN202311365727.5A patent/CN117600831A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02197318A (en) * | 1989-01-25 | 1990-08-03 | Nippon Steel Corp | Manufacture of thin-wall metallic tube |
| TW200417428A (en) * | 2003-01-20 | 2004-09-16 | Nippon Steel Corp | A metal foil tube, a process and an apparatus for producing the same |
| CN1738687A (en) * | 2003-01-20 | 2006-02-22 | 新日本制铁株式会社 | Metal foil tube and its manufacturing method and manufacturing device |
| CN103286158A (en) * | 2012-02-29 | 2013-09-11 | 宝山钢铁股份有限公司 | Method and device for preparing variable-thickness longitudinal laser welded pipe in two-step forming way |
| CN206795036U (en) * | 2017-05-10 | 2017-12-26 | 天津市庚信达铝业有限公司 | A kind of supporting mechanism for water cooling motor housing agitating friction straight seam welding fixture |
| CN109774096A (en) * | 2019-01-26 | 2019-05-21 | 宁波牛盾塑料机械有限公司 | A kind of production method of machine barrel wear-resistant sleeve |
| CN111069362A (en) * | 2019-12-27 | 2020-04-28 | 舆软科技(上海)有限责任公司 | Forming method of tubular part |
| CN116685431A (en) * | 2020-12-22 | 2023-09-01 | 米文缇有限责任公司 | Friction stir welding tool, welding method and sheet welding machine |
| CN216633684U (en) * | 2022-01-25 | 2022-05-31 | 济南文德数控机床有限公司 | Automatic loading and unloading mechanism of starting gear for numerical control cylindrical grinding machine |
| CN221269982U (en) * | 2023-10-20 | 2024-07-05 | 贵州航天天马机电科技有限公司 | Forming and welding tool |
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