CN110561017A - Welding tool and welding method for multi-axis frame type workpiece - Google Patents
Welding tool and welding method for multi-axis frame type workpiece Download PDFInfo
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- CN110561017A CN110561017A CN201910958704.2A CN201910958704A CN110561017A CN 110561017 A CN110561017 A CN 110561017A CN 201910958704 A CN201910958704 A CN 201910958704A CN 110561017 A CN110561017 A CN 110561017A
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- welding
- lifting
- platform
- axis frame
- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 206010000060 Abdominal distension Diseases 0.000 description 3
- 208000024330 bloating Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/24—Frameworks
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a welding tool and a welding method for multi-axis frame type workpieces, wherein the multi-axis frame type workpieces comprise a pair of longitudinal beams and more than two round shaft sleeves penetrating between the longitudinal beams, the welding tool comprises a clamp platform, a clamp for clamping and positioning the multi-axis frame type workpieces and a lifting platform for changing the height position of the multi-axis frame type workpieces, and the lifting platform is arranged below the clamp platform. The welding method comprises the following steps: s1: clamping a part; s2: spot welding and fixing; s3: lifting the workpiece; s4: and (5) full welding. The welding tool and the welding method for the multi-axis frame type workpiece have the advantages that the working efficiency can be improved, the welding precision and the welding quality can be guaranteed, the utilization rate of automatic welding equipment is improved, and the line cost generated by automatic welding is reduced.
Description
Technical Field
the invention relates to the field of automatic processing, in particular to a welding tool and a welding method for multi-axis frame type workpieces.
background
In the prior art, in order to ensure the welding precision of multi-axis frame type workpieces (such as scissor parts used in scissor lifts), a welding process of firstly spot welding and then full welding is generally adopted. When spot welding operation is carried out on an automatic welding production line, the tools are required to be adopted to fix scattered parts, the occupied space of the tools is large, interference can be formed on the movement of an automatic welding gun, full welding can not be completed after spot welding, a workpiece is generally required to be dismounted from a spot welding station and transferred to a next full welding station, and full welding operation is carried out after secondary clamping, the mode is low in operation efficiency, adverse effects are caused on the welding precision of the workpiece, automatic welding equipment is required to be arranged at two different stations, the equipment utilization rate is low, and the cost of an automatic welding production line is increased.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provide a welding tool and a welding method for multi-axis frame workpieces, which can improve the working efficiency, are beneficial to ensuring the welding precision and the welding quality, improve the utilization rate of automatic welding equipment and reduce the automatic welding production line cost.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
The utility model provides a welding frock for multiaxis frame class work piece, multiaxis frame class work piece includes a pair of longeron and wears to locate two above round axle sleeves between a pair of longeron, welding frock includes the anchor clamps platform and is used for the anchor clamps to multiaxis frame class work piece clamping location, still includes the lift platform that is used for changing multiaxis frame class work piece high position, lift platform installs in anchor clamps platform below.
as a further improvement of the above technical solution:
The lifting platform comprises a lifting driver, a lifting guide rod and a lifting pedestal, wherein the output end of the lifting driver is connected with the lifting pedestal, and the lifting guide rod is in sliding fit with the lifting pedestal.
and a plurality of groups of limiting assemblies for positioning the lifting position of the lifting pedestal are arranged between the clamp platform and the lifting pedestal.
The limiting assembly comprises a limiting stop block arranged on the clamp platform and a guide block arranged on the lifting pedestal, a guide inclined plane is arranged at the lower part of the limiting stop block, and a guide positioning groove matched with the guide inclined plane is arranged at the upper part of the guide block.
The clamp comprises a clamping component for clamping and fixing the longitudinal beam and a positioning component for positioning the longitudinal beam and the circular shaft sleeve, the clamping component is arranged on the lifting platform, and the positioning component is arranged on the clamp platform.
the positioning assembly comprises a central expansion pin positioning unit, a side expansion pin positioning unit, a bolt positioning unit and a longitudinal beam end positioning unit, wherein the side expansion pin positioning unit and the bolt positioning unit are respectively arranged on two sides of the central expansion pin positioning unit, and the longitudinal beam end positioning unit is arranged at one end of the clamp platform.
the clamping assembly includes a pair of stringer clamping units.
The multi-shaft frame type workpiece further comprises short shaft sleeves coaxially arranged on the pair of longitudinal beams, and the clamping assembly further comprises a short shaft sleeve clamping unit used for clamping the short shaft sleeves.
A welding method for multi-axis frame type workpieces adopts the welding tool, and comprises the following steps:
S1: clamping parts, namely placing each part on a clamp platform, and clamping and positioning each part after assembling is finished;
S2: spot welding is fixed, automatic welding equipment is started to finish the spot welding fixing of preset welding spots of all parts, and automatic welding is stopped after a pre-positioned workpiece is formed;
S3: lifting the workpiece, controlling each clamp on the clamp platform to release the pre-positioned workpiece, and starting the lifting platform to lift the pre-positioned workpiece;
s4: and (4) full welding, starting the automatic welding equipment again, and performing full welding on each preset welding point to finish the welding of the multi-axis frame type workpiece.
Compared with the prior art, the invention has the advantages that:
According to the welding tool for the multi-axis frame type workpiece, the lifting platform is arranged, so that the workpiece can be lifted to a certain height through the lifting platform after spot welding is completed, and partial fixtures interfering with full-length welding operation are avoided, so that spot welding and full-length welding operation on the workpiece are realized on the same station, the operation efficiency is greatly improved, the welding precision and the welding quality are guaranteed, the utilization rate of automatic welding equipment is improved, and the equipment cost of an automatic welding production line is reduced. The welding method and the welding tool for the multi-axis frame type workpiece have corresponding technical effects.
Drawings
Fig. 1 is a schematic front view structure diagram of the welding tool for the multi-axis frame type workpiece according to the invention.
fig. 2 is a schematic perspective view of the welding tool for the multi-axis frame type workpiece according to the present invention.
FIG. 3 is a schematic cross-sectional view of a position limiting assembly of the present invention in a state of lifting a workpiece.
Fig. 4 is a schematic perspective view of a state of clamping a workpiece by the welding tool for multi-axis frame type workpieces according to the present invention.
Fig. 5 is a schematic perspective structure view of a state that the welding tool for the multi-axis frame type workpiece lifts the workpiece.
Fig. 6 is a flow chart of the welding method for multi-axis frame type workpieces according to the invention.
Illustration of the drawings: 1. a clamp platform; 100. a stringer; 2. a clamp; 200. a circular shaft sleeve; 21. a clamping assembly; 211. a longitudinal beam clamping unit; 212. a short shaft sleeve clamping unit; 22. a positioning assembly; 221. a central expansion pin positioning unit; 222. a side expansion pin positioning unit; 223. a plug pin positioning unit; 224. a longitudinal beam end positioning unit; 3. a lifting platform; 300. a short shaft sleeve; 31. a lift drive; 32. a lifting guide rod; 33. a lifting pedestal; 4. a limiting component; 41. a limit stop block; 411. a guide slope; 42. a guide block; 421. and (6) guiding and positioning grooves.
Detailed Description
in order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
In this embodiment, the multi-axis frame-like workpiece includes a pair of longitudinal beams 100, two circular bushings 200 disposed between the pair of longitudinal beams 100, and a pair of short bushings 300 coaxially disposed on the pair of longitudinal beams 100.
As shown in fig. 1 to 5, the welding tool for multi-axis frame type workpieces of the embodiment includes a fixture platform 1 and a fixture 2 for clamping and positioning the multi-axis frame type workpieces, and further includes a lifting platform 3 for changing the height position of the multi-axis frame type workpieces, the lifting platform 3 is installed below the fixture platform 1, after spot welding is completed on the workpieces by setting the lifting platform 3, the workpieces can be lifted to a certain height through the lifting platform 3, and part of the fixture 2 interfering with full-length welding operation is avoided, so that spot welding and full-length welding operation on the workpieces are realized on the same station, not only is the operation efficiency greatly improved, but also the welding precision and the welding quality are favorably ensured, the utilization rate of automatic welding equipment is improved, and the equipment cost of automatic welding production lines is reduced.
In this embodiment, the lifting platform 3 includes a lifting driver 31, a lifting guide rod 32 and a lifting pedestal 33, an output end of the lifting driver 31 is connected with the lifting pedestal 33, and the lifting guide rod 32 is in sliding fit with the lifting pedestal 33; be equipped with four group's spacing subassemblies 4 to lift pedestal 33 rising position location between anchor clamps platform 1 and the lift pedestal 33, this spacing subassembly 4 is including installing limit stop 41 on anchor clamps platform 1 and installing the guide block 42 on lift pedestal 33, limit stop 41 lower part is equipped with direction inclined plane 411, guide block 42 upper portion is equipped with the direction constant head tank 421 with direction inclined plane 411 complex, cooperation through multiunit spacing subassembly 4, the accurate positioning after making lift platform 3 rise has been guaranteed, be convenient for automatic weld equipment in full welding process and find accurate welding position.
In this embodiment, the fixture 2 includes a clamping component 21 for clamping and fixing the longitudinal beam 100 and a positioning component 22 for positioning the longitudinal beam 100 and the circular shaft sleeve 200, the clamping component 21 is installed on the lifting platform 3, the positioning component 22 is installed on the fixture platform 1, the clamping component 21 and the positioning component 22 are respectively arranged on the lifting platform 3 and the fixture platform 1, the workpiece can be conveniently separated from the fixture platform 1 after spot welding, and the workpiece is kept fixed with the lifting platform 3, so that support is provided for full welding of the workpiece during lifting.
In this embodiment, the positioning assembly 22 includes a central expansion pin positioning unit 221, a side expansion pin positioning unit 222, a plug pin positioning unit 223, and a longitudinal beam end positioning unit 224, where the side expansion pin positioning unit 222 and the plug pin positioning unit 223 are respectively disposed at two sides of the central expansion pin positioning unit 221, the longitudinal beam end positioning unit 224 is installed at one end of the fixture platform 1, the central expansion pin positioning unit 221 is used to position a pair of short shaft sleeves 300, the side expansion pin positioning unit 222 and the plug pin positioning unit 223 are respectively used to position two circular shaft sleeves 200, and the longitudinal beam end positioning unit 224 is used to position an end of the longitudinal beam 100; the clamping assembly 21 includes a pair of longitudinal beam clamping units 211 and a short shaft sleeve clamping unit 212 for clamping the short shaft sleeve 300, the longitudinal beam clamping units 211 are used for clamping the pair of longitudinal beams 100, and the short shaft sleeve clamping unit 212 is matched with the central expansion pin positioning unit 221 to clamp the pair of short shaft sleeves 300.
As shown in fig. 6, the welding method for the multi-axis frame type workpiece in the embodiment is applied to the welding tool in the embodiment, and includes the following steps:
s1: the part clamping, put every part to the clamp platform 1, clamp and position every part after finishing assembling, the central bloating pin locating unit 221 is used for positioning a pair of short axle sleeves 300, the side bloating pin locating unit 222 and the bolt locating unit 223 position two round axle sleeves 200 separately, the end locating unit 224 of the longeron is used for positioning the end of the longeron 100, the longeron clamping unit 211 is used for clamping a pair of longerons 100, the short axle sleeve clamping unit 212 cooperates with central bloating pin locating unit 221 to clamp a pair of short axle sleeves 300;
S2: spot welding is fixed, automatic welding equipment is started to finish the spot welding fixing of preset welding spots of all parts, and automatic welding is stopped after a pre-positioned workpiece is formed;
S3: lifting the workpiece, controlling each clamp 2 on the clamp platform 1 to release the pre-positioning workpiece, releasing a pair of short shaft sleeves 300 by the central expansion pin positioning unit 221, releasing two round shaft sleeves 200 by the side expansion pin positioning unit 222 and the plug pin positioning unit 223 respectively, releasing the longitudinal beam 100 by the longitudinal beam end positioning unit 224, keeping the longitudinal beam clamping unit 211 on the lifting platform 3 clamped on the pair of longitudinal beams 100, and starting the lifting platform 3 to lift the pre-positioning workpiece;
S4: and (4) full welding, starting the automatic welding equipment again, and performing full welding on each preset welding point to finish the welding of the multi-axis frame type workpiece.
The welding method and the welding tool for the multi-axis frame type workpiece have corresponding technical effects, and are not repeated herein.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. It should be apparent to those skilled in the art that modifications and variations can be made without departing from the technical spirit of the present invention.
Claims (9)
1. The utility model provides a welding frock for multiaxis frame class work piece, multiaxis frame class work piece includes a pair of longeron (100) and wears to locate two above round axle sleeve (200) between a pair of longeron (100), welding frock includes anchor clamps platform (1) and is used for anchor clamps (2) to multiaxis frame class work piece clamping location, its characterized in that still includes lift platform (3) that are used for changing multiaxis frame class work piece high position, lift platform (3) are installed in anchor clamps platform (1) below.
2. The welding tool for the multi-axis frame type workpiece according to claim 1, wherein the lifting platform (3) comprises a lifting driver (31), a lifting guide rod (32) and a lifting pedestal (33), the output end of the lifting driver (31) is connected with the lifting pedestal (33), and the lifting guide rod (32) is in sliding fit with the lifting pedestal (33).
3. The welding tool for the multi-axis frame type workpieces as claimed in claim 2, wherein a plurality of groups of limiting assemblies (4) for positioning the lifting positions of the lifting pedestal (33) are arranged between the clamp platform (1) and the lifting pedestal (33).
4. The welding tool for the multi-axis frame type workpieces as recited in claim 3, wherein the limit component (4) comprises a limit stop (41) mounted on the fixture platform (1) and a guide block (42) mounted on the lifting pedestal (33), a guide inclined surface (411) is arranged at the lower part of the limit stop (41), and a guide positioning groove (421) matched with the guide inclined surface (411) is arranged at the upper part of the guide block (42).
5. The welding tool for the multi-axis frame type workpieces as claimed in any one of claims 1 to 4, wherein the fixture (2) comprises a clamping assembly (21) for clamping and fixing the longitudinal beam (100) and a positioning assembly (22) for positioning the longitudinal beam (100) and the circular shaft sleeve (200), the clamping assembly (21) is mounted on the lifting platform (3), and the positioning assembly (22) is mounted on the fixture platform (1).
6. the welding tool for the multi-axis frame type workpieces as recited in claim 5, wherein the positioning assembly (22) comprises a central expansion pin positioning unit (221), a side expansion pin positioning unit (222), a plug pin positioning unit (223) and a longitudinal beam end positioning unit (224), the side expansion pin positioning unit (222) and the plug pin positioning unit (223) are respectively arranged on two sides of the central expansion pin positioning unit (221), and the longitudinal beam end positioning unit (224) is arranged at one end of the clamp platform (1).
7. Welding tool for multi-axis frame-like workpieces according to claim 5, characterized in that the clamping assembly (21) comprises a pair of stringer clamping units (211).
8. The welding fixture for multi-axis frame type workpieces according to claim 7, characterized in that the multi-axis frame type workpieces further comprise short bushings (300) coaxially arranged on a pair of longitudinal beams (100), and the clamping assembly (21) further comprises a short bushing clamping unit (212) for clamping the short bushings (300).
9. a welding method for multi-axis frame workpieces, which is characterized in that the welding tool according to any one of claims 1 to 8 is adopted, and the welding method comprises the following steps:
S1: clamping parts, namely placing each part to a clamp platform (1), and clamping and positioning each part after assembling is finished;
S2: spot welding is fixed, automatic welding equipment is started to finish the spot welding fixing of preset welding spots of all parts, and automatic welding is stopped after a pre-positioned workpiece is formed;
S3: lifting the workpiece, controlling each clamp (2) on the clamp platform (1) to release the pre-positioned workpiece, and starting the lifting platform (3) to lift the pre-positioned workpiece;
s4: and (4) full welding, starting the automatic welding equipment again, and performing full welding on each preset welding point to finish the welding of the multi-axis frame type workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958704.2A CN110561017A (en) | 2019-10-10 | 2019-10-10 | Welding tool and welding method for multi-axis frame type workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910958704.2A CN110561017A (en) | 2019-10-10 | 2019-10-10 | Welding tool and welding method for multi-axis frame type workpiece |
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| CN110561017A true CN110561017A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910958704.2A Pending CN110561017A (en) | 2019-10-10 | 2019-10-10 | Welding tool and welding method for multi-axis frame type workpiece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151952A (en) * | 2020-01-20 | 2020-05-15 | 合肥真谊机械制造有限公司 | Arm beam welding tool |
| CN112846502A (en) * | 2020-12-31 | 2021-05-28 | 湖北三江航天红阳机电有限公司 | Preparation method of box-shaped structure box body |
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| JPH0683173U (en) * | 1993-05-14 | 1994-11-29 | 関東自動車工業株式会社 | Spot welding equipment |
| US5848747A (en) * | 1995-04-25 | 1998-12-15 | Honda Giken Kogyo Kabushiki Kaisha | Welding line system and method of welding workpieces |
| CN107553028A (en) * | 2017-10-26 | 2018-01-09 | 安徽江淮汽车集团股份有限公司 | Truck top cover automatic welding equipment and welding procedure |
| CN108161311A (en) * | 2018-01-11 | 2018-06-15 | 株洲天自动焊接装备有限公司 | A kind of welding tooling of inside and outside fork class part |
| CN208628689U (en) * | 2018-08-09 | 2019-03-22 | 苏州创思特自动化设备有限公司 | Chassis welding mechanism |
| CN109967931A (en) * | 2019-05-08 | 2019-07-05 | 杭州道盈信息科技有限公司 | A kind of intelligence welding robot |
| CN109967904A (en) * | 2017-12-27 | 2019-07-05 | 中集车辆（集团）有限公司 | A kind of automatic assembling welding method of trailer |
| CN210789813U (en) * | 2019-10-10 | 2020-06-19 | 株洲天一自动焊接装备有限公司 | Welding tool for multi-shaft frame type workpieces |
-
2019
- 2019-10-10 CN CN201910958704.2A patent/CN110561017A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0683173U (en) * | 1993-05-14 | 1994-11-29 | 関東自動車工業株式会社 | Spot welding equipment |
| US5848747A (en) * | 1995-04-25 | 1998-12-15 | Honda Giken Kogyo Kabushiki Kaisha | Welding line system and method of welding workpieces |
| CN107553028A (en) * | 2017-10-26 | 2018-01-09 | 安徽江淮汽车集团股份有限公司 | Truck top cover automatic welding equipment and welding procedure |
| CN109967904A (en) * | 2017-12-27 | 2019-07-05 | 中集车辆（集团）有限公司 | A kind of automatic assembling welding method of trailer |
| CN108161311A (en) * | 2018-01-11 | 2018-06-15 | 株洲天自动焊接装备有限公司 | A kind of welding tooling of inside and outside fork class part |
| CN208628689U (en) * | 2018-08-09 | 2019-03-22 | 苏州创思特自动化设备有限公司 | Chassis welding mechanism |
| CN109967931A (en) * | 2019-05-08 | 2019-07-05 | 杭州道盈信息科技有限公司 | A kind of intelligence welding robot |
| CN210789813U (en) * | 2019-10-10 | 2020-06-19 | 株洲天一自动焊接装备有限公司 | Welding tool for multi-shaft frame type workpieces |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151952A (en) * | 2020-01-20 | 2020-05-15 | 合肥真谊机械制造有限公司 | Arm beam welding tool |
| CN112846502A (en) * | 2020-12-31 | 2021-05-28 | 湖北三江航天红阳机电有限公司 | Preparation method of box-shaped structure box body |
| CN112846502B (en) * | 2020-12-31 | 2022-06-17 | 湖北三江航天红阳机电有限公司 | Preparation method of box-shaped structure box body |
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