CN108907563B - Welding fixture for assembling flange head, reducer cover connecting flange and sleeve - Google Patents
Welding fixture for assembling flange head, reducer cover connecting flange and sleeve Download PDFInfo
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- CN108907563B CN108907563B CN201810867881.5A CN201810867881A CN108907563B CN 108907563 B CN108907563 B CN 108907563B CN 201810867881 A CN201810867881 A CN 201810867881A CN 108907563 B CN108907563 B CN 108907563B
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- flange
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- positioning plate
- sleeve
- reducer
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to a welding fixture for assembling a flange head, a reducer cover connecting flange and a sleeve. The fixture ensures that the relevant sizes of the flange head, the connecting flange and the sleeve are assembled and fixed within the product drawing range every time, ensures the assembling precision and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of welding processing equipment, in particular to a welding fixture for assembling a flange head, a reducer cover connecting flange and a sleeve.
Background
The front end of the front axle assembly is connected with a transmission shaft through a main reducer assembly, the flange head end of a front axle sleeve assembly is connected with a front axle half shaft assembly, a reducer cover is connected with a main reducer assembly through a flange, and the length size and the angle size of the front axle sleeve assembly can influence the assembly of the whole vehicle; the existing tool clamp cannot complete the assembly of the front axle sleeve assembly; therefore, it is very important to design a welding fixture for assembling the flange head, the reducer cover coupling flange and the sleeve, so as to improve the production efficiency and ensure the product quality.
Chinese patent publication No. CN105458606A discloses an axle housing body assembling and welding fixture, which comprises a frame, a headstock assembly, a tailstock assembly, two sets of moving power mechanisms, two sets of positioning and clamping mechanisms, and a middle tightening mechanism, wherein linear guide rails are arranged on working platforms at two sides of the frame, guide rails are respectively arranged on the inner working platforms of the linear guide rails, and the headstock assembly and the tailstock assembly are respectively connected with the linear guide rails in a sliding manner through the moving power mechanisms; the two groups of positioning and clamping mechanisms are respectively connected with the guide rail in a sliding manner, and the two groups of positioning and clamping mechanisms, the headstock assembly, the tailstock assembly and the middle jacking mechanism form a clamping unit of the workpiece together; the headstock assembly and the tailstock assembly simultaneously form a rotating unit of the workpiece. The clamp is mainly used for assembling and welding an axle housing body, the clamp is an invention patent already reported and issued by the company, and the company adopts a novel clamp to fix a flange head, a reducer cover connecting flange and a sleeve of a front axle assembly so as to improve the assembling efficiency.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a welding fixture for assembling a flange head, a reducer cover connecting flange and a sleeve.
In order to achieve the purpose, the invention adopts the technical scheme that:
a welding fixture for assembling a flange head, a reducer cover connecting flange and a sleeve comprises a working platform, a base plate arranged above the platform, a guide rail arranged above the base plate, a flange head positioning fixture arranged on the guide rail, a reducer cover connecting flange positioning fixture and a sleeve positioning fixture.
The welding fixture for assembling the flange head, the reducer cover coupling flange and the sleeve comprises a flange head positioning plate, a fixing column, a tailstock cover plate and a flange head angle block;
the fixing column is in clearance fit with the tailstock, the tailstock cover plate is connected with the tailstock and the fixing column, the flange head positioning plate is connected with the fixing column, and the flange head angle block is connected with the flange head positioning plate and installed below the flange head positioning plate. The flange head, the reducer cover and the flange are connected with the welding fixture assembled with the sleeve, the tailstock and the fixed column are provided with key grooves, and the tailstock and the fixed column are in transition fit with the installation keys to prevent the fixed column from rotating.
The welding fixture for assembling the flange head, the reducer cover connecting flange and the sleeve comprises a V-shaped block assembly and a cushion block, wherein the cushion block is connected with the V-shaped block assembly through a bolt.
The welding fixture for assembling the flange head, the reducer cover coupling flange and the sleeve comprises a head seat, a cylinder, a head seat cover plate, a sliding column, a clamping block, a limiting pin, a reducer cover coupling flange positioning plate, a positioning core and a reducer cover coupling flange angle block;
the positioning core and the reducer cover coupling flange angle block are connected with the reducer cover coupling flange positioning plate, the reducer cover coupling flange angle block is installed on the left side of the reducer cover coupling flange positioning plate, the reducer cover coupling flange positioning plate is connected with a sliding column, the sliding column is in clearance fit with a headstock, a headstock cover plate is connected with the headstock and an air cylinder, and a limiting pin is in interference fit with the headstock.
According to the welding fixture for splicing the flange head, the reducer cover connecting flange and the sleeve, the key groove is formed in the head seat, the key groove and the clamping groove are formed in the sliding column, and the key is installed between the head seat and the sliding column in a transition fit mode, so that the sliding column is prevented from rotating; the sliding column clamping groove is internally provided with a clamping block which is connected with the cylinder.
According to the welding fixture for assembling the flange head, the reducer cover, the connecting flange and the sleeve, the copper sleeve holes are formed in the periphery of the flange head positioning plate and are in interference fit with the copper sleeve, and the magnet is in interference fit with the copper sleeve.
According to the welding fixture for assembling the flange head, the reducer cover connecting flange and the sleeve, the copper sleeve holes are formed in the periphery of the reducer cover connecting flange positioning plate, the copper sleeve holes are in interference fit with the copper sleeve, and the magnet is in interference fit with the copper sleeve.
According to the welding fixture for assembling the flange head, the reducer cover connecting flange and the sleeve, the guide rail is provided with the convex groove, and the convex groove is in clearance fit with the T-shaped bolt.
According to the welding fixture for assembling the flange head, the reducer cover connecting flange and the sleeve, the switch support is arranged on the guide rail, and the pneumatic switch is arranged on the switch support.
The invention has the beneficial effects that: the fixture ensures that the relevant sizes of the flange head, the connecting flange and the sleeve are assembled and fixed within the product drawing range every time, ensures the assembling precision and improves the production efficiency.
Drawings
FIG. 1 is a schematic front view of the structure of embodiment 1 of the present invention;
FIG. 2 is a schematic top view of the structure of embodiment 1 of the present invention;
FIG. 3 is a schematic side view of the structure of embodiment 1 of the present invention;
3 FIG. 3 4 3 is 3 a 3 schematic 3 sectional 3 view 3 showing 3 the 3 structure 3 of 3 example 3 1 3 A 3- 3 A 3 of 3 the 3 present 3 invention 3; 3
FIG. 5 is a schematic sectional view showing the structure of embodiment 1B-B of the present invention;
FIG. 6 is a schematic front view of a front axle sleeve assembly according to embodiment 1 of the present invention;
FIG. 7 is a schematic top view of a front axle sleeve assembly according to embodiment 1 of the present invention;
fig. 8 is a schematic side view of a front axle sleeve assembly according to embodiment 1 of the present invention.
In the figure: the device comprises a working platform 1, a bottom plate 2, a guide rail 3, a T-shaped bolt 4, a switch support 5, a pneumatic switch 6, a tailstock 7, a tailstock cover plate 8, a fixed column 9, a flange head angle block 10, a flange head positioning plate 11, a copper sleeve 12, a magnet 13, a key 14, a head seat 15, a cylinder 16, a head seat cover plate 17, a sliding column 18, a fixture block 19, a limiting pin 20, a reduced shell cover connecting flange positioning plate 21, a positioning core 22, a copper sleeve 23, a magnet 24, a reduced shell cover connecting flange angle block 25, a V-shaped block assembly 26, a cushion block 27, a flange head 28, a sleeve 29 and a reduced shell cover connecting flange 30.
Detailed Description
Example 1: as shown in fig. 1 to 8, a welding jig for assembling a flange head, a reduced shell cover coupling flange and a sleeve includes a working platform 1, a bottom plate 2, a guide rail 3, a T-shaped bolt 4, a switch support 5, a pneumatic switch 6, a tailstock 7, a tailstock cover plate 8, a fixing column 9, a flange head angle block 10, a flange head positioning plate 11, a copper bush 12, a magnet 13, a key 14, a headstock 15, a cylinder 16, a headstock cover plate 17, a sliding column 18, a fixture block 19, a limit pin 20, a reduced shell cover coupling flange positioning plate 21, a positioning core 22, a copper bush 23, a magnet 24, a reduced shell cover coupling flange angle block 25, a V-shaped block assembly 26, a cushion block 27, a flange head 28, a sleeve 29, and a reduced shell cover coupling flange 30.
The guide rail 3 is provided with a flange head positioning clamp, a reducer cover connecting flange positioning clamp and a sleeve positioning clamp.
The flange head positioning clamp comprises a flange head positioning plate 11, a fixing column 9, a tailstock 7, a tailstock cover plate 8 and a flange head angle block 10; the fixed column 9 is in clearance fit with the tailstock 7, the tailstock cover plate 8 is connected with the tailstock 7 and the fixed column 9, the flange head positioning plate 11 is connected with the fixed column 9, and the flange head angle block 10 is connected with the flange head positioning plate 11 and installed below the flange head angle block. The tailstock 7 and the fixed column 9 are provided with key grooves, and the fixing column 9 is prevented from rotating by transition fit of the installation key 14.
The sleeve positioning clamp comprises a V-shaped block assembly 26 and a cushion block 27, and the cushion block 27 is connected with the V-shaped block assembly 26 through bolts.
The positioning fixture for the cap-reducing coupling flange comprises a head seat 15, an air cylinder 16, a head seat cover plate 17, a sliding column 18, a clamping block 19, a limiting pin 20, a cap-reducing coupling flange positioning plate 21, a positioning core 22 and a cap-reducing coupling flange angle block 25;
the flange head positioning clamp is connected to a flange head positioning plate 11 through interference fit by a copper sleeve 12 and a magnet 13, a flange head angle block 10 is installed below the flange head positioning plate 11 through bolt connection, the flange head positioning plate 11 is installed on a fixing column 9 through transition fit and fastened by a bolt, the fixing column 9 and a tailstock 7 are provided with key grooves, a key 14 is installed in the key grooves in the transition fit to prevent rotation, and a tailstock cover plate 8 is connected with the fixing column 9 and the tailstock 7 through the bolt; the sleeve positioning clamp is connected and installed on the V-shaped block assembly 26 through a cushion block 27 through a bolt; the cap reducing coupling flange positioning fixture is characterized in that a cap reducing coupling flange positioning plate 21 is connected with a cap reducing coupling flange positioning plate 21 through interference fit by a copper sleeve 23, a magnet 24 and a positioning core 22, a cap reducing coupling flange angle block 25 is installed on the side of the cap reducing coupling flange positioning plate 21 through bolt connection, the cap reducing coupling flange positioning plate 21 is connected with a sliding column 18 through transition fit, the sliding column 18 is connected with a head seat 15 through clearance fit, the sliding column 18 and the head seat 15 are provided with key grooves, a transition fit installation key 14 in the key grooves prevents rotation, a limiting pin 20 is connected with the head seat 15 through interference fit, a clamping block 19 is connected with the sliding column 18 through clearance fit, the head seat cover plate 17 is connected with the head seat 15 through bolts, and a cylinder 16 is connected; the pneumatic switch 6 is connected to the switch support 5 through a bolt, and the switch support 5 is installed on the bottom plate 2; a convex groove and a step are arranged in the guide rail 3, the tail seat 7, the head seat 15 and the V-shaped block assembly 26 are arranged at the step on the guide rail 3 in a clearance fit manner, the T-shaped bolt 4 is arranged in the convex groove of the guide rail 3 in a clearance fit manner, and the tail seat 7, the head seat 15 and the V-shaped block assembly 26 are connected with the T-shaped bolt 4 through a bolt so that the tail seat 7, the head seat 15 and the V-shaped block assembly 26 are tightly attached to the guide rail 3; the guide rail 3 is connected with the bottom plate 2 through a bolt; the bottom plate 2 is connected with the working platform 1 through bolts.
The flange head 28 is put into the flange head positioning plate 11, under the action of magnetic force, the flange head 28 is flatly attached to the flange head positioning plate 11, and a flange head angle block 10 is arranged below the flange head positioning plate 11 and flatly attached to a straight edge of the flange head 28 to prevent rotation; the small end of the sleeve 29 is directly placed on the V-shaped block assembly 26; the reducer cover coupling flange 30 is placed on the reducer cover coupling flange positioning plate 21, the reducer cover coupling flange 30 and the reducer cover coupling flange positioning plate 21 are flatly attached under the action of magnetic force, and the positioning core 22 prevents the reducer cover coupling flange 30 from shaking up and down; the side surface of the positioning plate 21 of the cap reducing coupling flange is provided with an angle block 25 of the cap reducing coupling flange to prevent the cap reducing coupling flange from rotating left and right.
The sliding column 18 can extend and contract under the driving of the air cylinder 16, the extension and contraction of the air cylinder 16 can be controlled through the pneumatic switch 6, when the air cylinder 16 is in a contraction state, clamping and piece taking can be carried out, and when the air cylinder 16 is in an extension state, tack welding can be carried out.
During welding, the pneumatic switch 6 is firstly turned to enable the sliding column 18 to be in a contracted state, then the flange head 28 is placed on the flange head positioning plate 11, the straight edge of the flange head is aligned with the flange head angle block 10, the housing reduction cover coupling flange 30 is placed on the upper side edge of the housing reduction cover coupling flange positioning plate 21 and is tangent to the housing reduction cover coupling flange angle block 25, the small end of the sleeve 29 is placed on the V-shaped block assembly 26, then the pneumatic switch 6 is turned to enable the sliding column to run to an extended state, and finally the relevant sizes of the flange head 28, the sleeve 29 and the housing reduction cover coupling flange 30 are enabled to be consistent with the drawing through welding point fixing.
When the pneumatic switch 6 is turned when the workpieces, namely the welded flange head 28, the sleeve 29 and the reduction-housing-cover-coupling flange 30, are taken out, the sliding column 18 is retracted backwards under the action of the air cylinder 16, the flange head 28 and the reduction-housing-coupling flange 30 are separated from the flange-head positioning plate 11 and the reduction-housing-coupling-flange positioning plate 21 respectively, and the workpieces are stopped on the V-shaped block assembly 26.
The specific welding process comprises the following steps:
3, placing the reducer cover coupling flange 30 on the reducer cover coupling flange positioning plate 21, and enabling the reducer cover coupling flange 30 to be flush with the reducer cover coupling flange positioning plate 21 and enabling the side edge to be tangent to the reducer cover coupling flange angle block 25;
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A welding fixture for splicing a flange head, a reducer cover connecting flange and a sleeve comprises a working platform, a bottom plate arranged above the platform, a guide rail arranged above the bottom plate, a flange head positioning fixture arranged on the guide rail, a reducer cover connecting flange positioning fixture and a sleeve positioning fixture, and is characterized in that,
the flange head positioning clamp comprises a flange head positioning plate, a fixing column, a tailstock cover plate and a flange head angle block; the fixed column is in clearance fit with the tailstock, the tailstock cover plate is connected with the tailstock and the fixed column, the flange head positioning plate is connected with the fixed column, and the flange head angle block is connected with the flange head positioning plate and is arranged below the flange head positioning plate; copper sleeve holes are formed in the periphery of the flange head positioning plate and are in interference fit with the copper sleeve, and the magnets are in interference fit with the copper sleeve;
the positioning fixture for the casing reduction cover connecting flange comprises a head seat, a cylinder, a head seat cover plate, a sliding column, a clamping block, a limiting pin, a casing reduction cover connecting flange positioning plate, a positioning core and a casing reduction cover connecting flange angle block;
the positioning core and the reducer cover coupling flange angle block are connected with the reducer cover coupling flange positioning plate, the reducer cover coupling flange angle block is installed on the side of the reducer cover coupling flange positioning plate, the reducer cover coupling flange positioning plate is connected with a sliding column, the sliding column is in clearance fit with a headstock, a headstock cover plate is connected with the headstock and an air cylinder, and a limiting pin is in interference fit with the headstock; copper sleeve holes are formed in the periphery of the positioning plate of the reducer cover coupling flange and are in interference fit with the copper sleeve, and the magnet is in interference fit with the copper sleeve;
the sleeve positioning clamp comprises a V-shaped block assembly and a cushion block, and the cushion block is connected with the V-shaped block assembly through a bolt;
the flange head is placed on the flange head positioning plate, under the action of magnetic force, the flange head is flatly attached to the flange head positioning plate, and a flange head angle block arranged below the flange head positioning plate is flatly attached to a flange head straight edge to prevent the flange head from rotating; the small end of the sleeve is directly placed on the V-shaped block assembly; the reducer cover connecting flange is placed on the reducer cover connecting flange positioning plate, the reducer cover connecting flange and the reducer cover connecting flange positioning plate are flatly attached under the action of magnetic force, and the positioning core prevents the reducer cover connecting flange from shaking up and down; the casing reduction cover coupling flange angle block arranged on the side surface of the positioning plate of the casing reduction cover coupling flange prevents the casing reduction cover coupling flange from rotating left and right.
2. The welding jig for assembling a flange head, a cap reducer, a flange and a sleeve according to claim 1, wherein the tail base and the fixed column are provided with key slots, and the tail base and the fixed column are in transition fit with the key slots to prevent the fixed column from rotating.
3. The welding fixture for assembling the flange head, the reducer cover coupling flange and the sleeve according to claim 1, wherein the head seat is provided with a key groove, the sliding column is provided with a key groove and a clamping groove, and the head seat and the sliding column are in transition fit with an installation key to prevent the sliding column from rotating; the sliding column clamping groove is internally provided with a clamping block which is connected with the cylinder.
4. A welding jig for assembling a flange head, a cap-reduced coupling flange and a sleeve according to claim 1, wherein the guide rail is provided with a groove, and the T-bolt is installed in the groove of the guide rail by clearance fit.
5. The welding jig for assembling the flange head, the reducer cover coupling flange and the sleeve according to claim 1, wherein the guide rail is provided with a switch support, and the switch support is provided with a pneumatic switch.
6. A flange head, subtract welding jig that lid couples flange and sleeve assembly of claim 5, characterized by, the concrete welding process:
step 1, when a pneumatic switch is pulled, a sliding column is in a contraction state;
step 2, placing the flange head on a flange head positioning plate to enable the flange head to be flush with the flange head positioning plate, and enabling a straight edge of the lower end of the flange head to be flush with a flange head angle block;
3, placing the reducer cover coupling flange on a reducer cover coupling flange positioning plate to enable the reducer cover coupling flange and the reducer cover coupling flange positioning plate to be flat, and enabling the side edge of the reducer cover coupling flange to be tangent to the angle block of the reducer cover coupling flange;
step 4, placing the small end of the sleeve on the V-shaped block assembly;
5, poking a pneumatic switch to enable the sliding column to be in an extending state;
6, fixing by welding to make the relative sizes of the flange head, the sleeve and the reducer cover connecting flange consistent with the drawing;
and 7, toggling the pneumatic switch to enable the sliding column to be in a contraction state, separating the flange head and the reducer cover connecting flange from the flange head positioning plate and the reducer cover connecting flange positioning plate respectively, stopping the workpiece on the V-shaped block assembly at the moment, and then taking down the workpiece from the V-shaped block assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867881.5A CN108907563B (en) | 2018-08-02 | 2018-08-02 | Welding fixture for assembling flange head, reducer cover connecting flange and sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867881.5A CN108907563B (en) | 2018-08-02 | 2018-08-02 | Welding fixture for assembling flange head, reducer cover connecting flange and sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108907563A CN108907563A (en) | 2018-11-30 |
| CN108907563B true CN108907563B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867881.5A Active CN108907563B (en) | 2018-08-02 | 2018-08-02 | Welding fixture for assembling flange head, reducer cover connecting flange and sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108907563B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08150495A (en) * | 1994-11-28 | 1996-06-11 | Nippon Sanso Kk | Joining member tack welding jig |
| JPH11138224A (en) * | 1997-11-04 | 1999-05-25 | Toyota Motor Corp | Method for joining flange made of metal and tube made of metal |
| CN202498314U (en) * | 2012-01-04 | 2012-10-24 | 东莞市嘉龙皮革机械有限公司 | Rear axle shaft sleeve press fitting spot welding machine |
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| CN205764534U (en) * | 2016-07-08 | 2016-12-07 | 广船国际有限公司 | A kind of pipe and verticality of flange correcting unit |
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| CN206839506U (en) * | 2017-06-09 | 2018-01-05 | 江西江铃底盘股份有限公司 | A kind of internal lining pipe, flange and outer tube assembly weld jig |
| CN207087252U (en) * | 2017-08-10 | 2018-03-13 | 合肥易升拖车机械有限公司 | A kind of fixing device for pipe flange welding |
| CN108213923A (en) * | 2018-02-13 | 2018-06-29 | 辽宁曙光汽车集团股份有限公司 | Vehicle rear-axle housing ring flange is pressed welder |
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|---|---|---|---|---|
| JPH08150495A (en) * | 1994-11-28 | 1996-06-11 | Nippon Sanso Kk | Joining member tack welding jig |
| JPH11138224A (en) * | 1997-11-04 | 1999-05-25 | Toyota Motor Corp | Method for joining flange made of metal and tube made of metal |
| CN202498314U (en) * | 2012-01-04 | 2012-10-24 | 东莞市嘉龙皮革机械有限公司 | Rear axle shaft sleeve press fitting spot welding machine |
| KR101631990B1 (en) * | 2014-10-29 | 2016-06-22 | 세종공업 주식회사 | clamping device for holding material multi axis position |
| CN204449778U (en) * | 2015-02-13 | 2015-07-08 | 杭州焊林科技有限公司 | A kind of workpiece weld clamp device |
| CN204621457U (en) * | 2015-05-14 | 2015-09-09 | 浙江菲达通球环保管业有限公司 | Steel pipe flange group is to positioner |
| CN205764534U (en) * | 2016-07-08 | 2016-12-07 | 广船国际有限公司 | A kind of pipe and verticality of flange correcting unit |
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| CN206839506U (en) * | 2017-06-09 | 2018-01-05 | 江西江铃底盘股份有限公司 | A kind of internal lining pipe, flange and outer tube assembly weld jig |
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| Publication number | Publication date |
|---|---|
| CN108907563A (en) | 2018-11-30 |
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