CN111015066A - Welding fixture for sheet metal parts - Google Patents
Welding fixture for sheet metal parts Download PDFInfo
- Publication number
- CN111015066A CN111015066A CN202010009487.5A CN202010009487A CN111015066A CN 111015066 A CN111015066 A CN 111015066A CN 202010009487 A CN202010009487 A CN 202010009487A CN 111015066 A CN111015066 A CN 111015066A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- transmission mechanism
- sheet metal
- clamping arm
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- 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
- B23K2101/006—Vehicles
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a welding fixture for sheet metal parts, which comprises: a fixed seat; one end of the transmission mechanism is connected with an output shaft of the driving part; the driving part is fixed on the side surface of the fixed seat and is used for driving one end of the transmission mechanism to move in the vertical direction; the first connecting plate is connected with the other end of the transmission mechanism, and a positioning pin is arranged on the first connecting plate; one end of the clamping arm is rotatably connected with the fixing seat and is connected with a transmission part of a transmission mechanism, the transmission mechanism is used for driving the clamping arm to rotate, a clamping block is arranged at the other end of the clamping arm, and when the welding clamp is in a clamping state, the clamping block is located at the position of the positioning pin. According to the invention, through designing the clamping arm connected with the transmission mechanism and the transmission part of the transmission mechanism, under the condition of adopting one driving part, the sheet metal part can be positioned and clamped, the number of parts of the welding fixture is reduced, the size of the welding fixture is reduced, and the cost of the fixture is obviously reduced.
Description
Technical Field
The invention belongs to the technical field of welding fixtures for sheet metal parts of vehicle bodies, and particularly relates to a welding fixture for sheet metal parts.
Background
At present, in an automobile welding automatic production line, a special welding fixture is needed to position and clamp an automobile body sheet metal part, an automobile seat framework sheet metal part and the like, and a positioning pin and a clamping mechanism in the welding fixture are usually designed in a separated mode, so that a telescopic pin positioning mechanism and a workpiece clamping mechanism need to be controlled respectively, a telescopic pin needs to be controlled by one air cylinder, and the clamping mechanism needs to be controlled by one air cylinder. Therefore, the mechanism is huge, occupies welding space and increases control system nodes.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a welding fixture for sheet metal parts, which saves the welding space of the fixture and remarkably reduces the cost of the welding fixture.
In order to solve the problems, the technical scheme of the invention is as follows:
the utility model provides a welding jig of sheet metal component for press from both sides tight car body sheet metal component, this welding jig includes:
a fixed seat;
one end of the transmission mechanism is connected with an output shaft of the driving part;
the driving part is fixed on the side surface of the fixed seat and is used for driving one part of the transmission mechanism to move in the vertical direction;
the first connecting plate is connected with the other end of the transmission mechanism, and a positioning pin is arranged on the first connecting plate;
the welding fixture comprises a fixing seat, a clamping arm, wherein one end of the clamping arm is connected with the fixing seat in a rotating mode, and is connected with a transmission part of a transmission mechanism, the transmission mechanism is used for driving the clamping arm to rotate, a clamping block is arranged at the other end of the clamping arm, and when the welding fixture is in a clamping state, the clamping block is located at the position of the positioning pin.
In a preferred embodiment, the transmission mechanism comprises a spur rack upright post and a first gear, one end of the spur rack upright post is fixedly connected with an output shaft of the driving part through a top plate, and the other end of the spur rack upright post is fixedly connected with the first connecting plate;
the first gear is meshed with a rack on the straight rack stand column, a gear fixing shaft is arranged on the fixing seat, the first gear is sleeved on the gear fixing shaft, and a second gear is arranged at one end of the clamping arm and meshed with the first gear.
In a preferred embodiment, the device further comprises a second connecting plate and a plurality of guide posts, the other ends of the spur rack stand columns penetrate through the second connecting plate and are fixedly connected with the first connecting plate, one end of each guide post is fixedly connected with the first connecting plate, and the other end of each guide post is fixedly connected with the second connecting plate. The effect that sets up second connecting plate and guide post is in order to prevent that the spur rack stand from taking place the skew, avoids setting up the locating pin on first connecting plate and takes place the skew.
In a preferred embodiment, the first connecting plate is further provided with a positioning plate, the positioning plate is provided with a first positioning block, the clamping arm is provided with a second positioning block, and when the welding fixture is in a clamping state, the second positioning block is located at the position of the first positioning block. The purpose of setting up first locating piece and second locating piece prevents that the clamp arm clamp force is too big, causes the destruction of sheet metal component.
In a preferred embodiment, the driving part is a double-guide-rod cylinder.
In a preferred embodiment, the clamping mechanism further comprises a fixed seat frame, the fixed seat frame is fixedly mounted on the upper portion of the fixed seat, the gear fixing shaft is arranged on the side face of the fixed seat frame, the clamping arm is rotatably connected with the side face of the fixed seat frame, and the fixed seat frame can protect the transmission mechanism part and a part of the clamping arm connected with the transmission mechanism in the frame.
In a preferred embodiment, the first connecting plate is provided with a pin seat, and the positioning pin is arranged on the pin seat.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
according to the welding fixture, one end of the transmission mechanism is connected with the driving part, the other end of the transmission mechanism is connected with the first connecting plate, the driving part drives the transmission mechanism to move in the vertical direction, so that the positioning pin on the first connecting plate is driven to move in the vertical direction, one end of the clamping arm is connected with the transmission part of the transmission mechanism, and in the process that the transmission mechanism moves in the vertical direction, the transmission part of the transmission mechanism drives the clamping arm to rotate, so that the clamping block on the clamping arm reaches the position of the positioning pin. Therefore, the clamping arm connected with the transmission mechanism and the transmission part of the transmission mechanism is designed, and the sheet metal part can be positioned and clamped under the condition of adopting one driving part, so that the number of parts of the welding clamp is reduced, the size of the welding clamp is reduced, and the cost of the clamp is obviously reduced.
Drawings
FIG. 1 is a schematic structural view of a sheet metal part clamping fixture of the present invention;
description of reference numerals: 1-a fixed seat; 2-a drive section; 3-a clamping arm; 4-a second connecting plate; 5-a first connection plate; 6-a top plate; 7-a guide post; 8-pin seat; 9-a positioning pin; 10-straight rack top column; 11-a first gear; 12-a clamping block; 13-a gear fixed shaft; 14-a holder frame; 15-fixing the plate; 16-a first positioning block; 17-a second locating block; 18-vehicle body sheet metal part
Detailed Description
The welding fixture for sheet metal parts according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Referring to fig. 1, a welding jig for sheet metal parts for clamping automobile body sheet metal parts, the welding jig comprising:
a fixed seat 1;
one end of the transmission mechanism is connected with an output shaft of the driving part 2;
the driving part 2 is fixed on the side surface of the fixed seat 1, and the driving part 2 is used for driving one end of the transmission mechanism to move in the vertical direction;
the first connecting plate 5 is connected with the other end of the transmission mechanism, and a positioning pin 9 is arranged on the first connecting plate 5;
one end of the clamping arm 3 is rotatably connected with the fixing seat 1 and is connected with a transmission part of a transmission mechanism, the transmission mechanism is used for driving the clamping arm 3 to rotate, a clamping block 12 is arranged at the other end of the clamping arm 3, and when the welding fixture is in a clamping state, the clamping block 12 is located at the position of the positioning pin 9.
In the embodiment, by designing the clamping arm 3 connected with the transmission mechanism and the transmission part of the transmission mechanism, one end of the transmission mechanism is connected with the driving part 2, the other end of the transmission mechanism is connected with the first connecting plate 5, part of the transmission mechanism is driven by the driving part 2 to move in the vertical direction, so that the positioning pin 9 on the first connecting plate 5 is driven to move in the vertical direction, one end of the clamping arm 3 is connected with the transmission part of the transmission mechanism, in the process that the transmission mechanism moves in the vertical direction, the transmission part of the transmission mechanism drives the clamping arm 3 to rotate, so that the clamping block 12 on the clamping arm 3 reaches the position of the positioning pin 9, because the positioning pin 9 is inserted into the positioning hole on the automobile body sheet metal part 18, when the clamping block 12 on the clamping arm 3 reaches the position of the positioning pin 9, the welding fixture is used. Therefore, by designing the clamping arm 3 connected with the transmission mechanism and the transmission part of the transmission mechanism, the automobile body sheet metal part 18 can be positioned and clamped under the condition of adopting one driving part 2, the number of parts of the welding clamp is reduced, the size of the welding clamp is reduced, and the cost of the clamp is obviously reduced.
In a preferred embodiment, the transmission mechanism comprises a spur rack upright post 10 and a first gear 11, one end of the spur rack upright post 10 is fixedly connected with an output shaft of the driving part 2 through a top plate 6, and the other end of the spur rack upright post is fixedly connected with the first connecting plate 5;
first gear 11 meshes with the rack on the straight rack stand 10, sets up gear fixed axle 13 on the fixing base 1, and first gear 11 cover is established on gear fixed axle 13, and the one end of clamping arm 3 sets up the second gear, meshes with first gear 11. The linear motion is transmitted and called as rotary motion through gear and rack transmission, and the transmission mechanism can also be set into a liftable worm gear without limitation.
In the preferred embodiment, still include second connecting plate 4 and a plurality of guide post 7, the other end of spur rack stand 10 passes second connecting plate 4 and links firmly in first connecting plate 5, and 7 one ends of each guide post link firmly in first connecting plate 5, and the other end links firmly in second connecting plate 4. The locating pin 9 need inject the locating hole on the automobile body sheet metal component 18, and the effect that sets up second connecting plate 4 and guide post 7 is in order to prevent that spur rack stand 10 from taking place the skew, and first connecting plate 5 is connected to guide post 7 one end, and second connecting plate 4 is connected to the other end, plays the guide effect, avoids setting up locating pin 9 on first connecting plate 5 and takes place the skew.
In a preferred embodiment, the first connecting plate 5 is further provided with a positioning plate 15, the positioning plate 15 is provided with a first positioning block 17, the clamping arm 3 is provided with a second positioning block 16, and when the welding fixture is in a clamping state, the second positioning block 16 is located at the position of the first positioning block 17. The purpose of setting up first locating piece 17 and second locating piece 16 is to prevent that the clamp arm 3 clamp force is too big, causes the destruction of automobile body sheet metal component 18.
In a preferred embodiment, the driving portion 2 is a double-guide-rod cylinder, and the driving portion 2 may also be an electric telescopic rod, which is not limited herein.
In a preferred embodiment, the clamping device further comprises a fixing seat frame 14, the fixing seat frame 14 is fixedly installed on the upper portion of the fixing seat 1, a gear fixing shaft 13 is arranged on the side face of the fixing seat frame 14, the clamping arm 3 is rotatably connected with the side face of the fixing seat frame 14, and the fixing seat frame 14 can protect the transmission mechanism portion and a portion, connected with the transmission mechanism, of the clamping arm 3 in the frame.
The working process of the preferred embodiment of the welding fixture for the sheet metal part 18 of the car body provided by the embodiment is as follows:
in the clamping process, the output shaft of the double-guide-column cylinder rises upwards to drive the top plate 6 to rise, and further drive the spur rack ejection column fixedly connected to the top plate 6 to rise, on one hand, the spur rack ejection column rises to enable the first connecting plate 5 fixed to the other end of the guide column to rise, and further enable the positioning pin 9 fixed to the first connecting plate 5 to rise, and the positioning pin 9 is inserted into a positioning hole of the automobile body sheet metal part 18; on the other hand, the spur rack jack column rises, and then the first gear 11 is driven to rotate by taking the gear fixing shaft 13 as the shaft, and then the second gear meshed with the first gear 11 is driven to rotate, so that the clamping arm 3 rotates, the clamping block 12 on the clamping arm 3 is driven to approach the second connecting plate 4, when the positioning pin 9 is inserted into the positioning hole of the automobile body sheet metal part 18, the clamping block 12 on the clamping arm 3 moves to the position clamping the automobile body sheet metal part 18, at the moment, the first positioning block 17 and the second positioning block 16 just contact with each other, so that the clamping block 12 on the clamping arm 3 is clamped in place, and meanwhile, the clamping force of the clamping arm 3 is prevented from being too large, and the damage to the automobile body sheet metal part 18 is caused.
The opening process, when the output shaft of two guide rail cylinders began to contract, the spur rack fore-set moved down, drive first gear 11 and rotate, thereby drive the second gear and rotate, and then make clamping arm 3 rotate to the direction of keeping away from first connecting plate 5, thereby first locating piece 17 leaves second locating piece 16, clamp tight piece 12 and leave automobile body sheet metal component 18, when the spur rack fore-set descends, locating pin 9 deviates from the locating hole of automobile body sheet metal component 18, breaks away from automobile body sheet metal component 18. The welding fixture of the sheet metal parts 18 of the vehicle bodies of different vehicle types is realized by designing the clamping arms 3 with different parameters according to different vehicle types.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (7)
1. The utility model provides a welding jig of sheet metal component which characterized in that includes:
a fixed seat;
one end of the transmission mechanism is connected with an output shaft of the driving part;
the driving part is fixed on the side surface of the fixed seat and is used for driving the transmission mechanism to move in the vertical direction;
the first connecting plate is connected with the other end of the transmission mechanism, and a positioning pin is arranged on the first connecting plate;
the welding fixture comprises a fixing seat, a clamping arm, wherein one end of the clamping arm is connected with the fixing seat in a rotating mode, and is connected with a transmission part of a transmission mechanism, the transmission mechanism is used for driving the clamping arm to rotate, a clamping block is arranged at the other end of the clamping arm, and when the welding fixture is in a clamping state, the clamping block is located at the position of the positioning pin.
2. The welding fixture for sheet metal parts according to claim 1, wherein the transmission mechanism comprises a spur rack upright post and a first gear, one end of the spur rack upright post is fixedly connected with an output shaft of the driving part through a top plate, and the other end of the spur rack upright post is fixedly connected with the first connecting plate;
the first gear is meshed with a rack on the straight rack stand column, a gear fixing shaft is arranged on the fixing seat, the first gear is sleeved on the gear fixing shaft, and a second gear is arranged at one end of the clamping arm and meshed with the first gear.
3. The welding jig of sheet metal component of claim 2, further comprising a second connecting plate and a plurality of guide posts, the other end of the spur rack post passes through the second connecting plate to be fixedly connected to the first connecting plate, and each guide post has one end fixedly connected to the first connecting plate and the other end fixedly connected to the second connecting plate.
4. The welding fixture for sheet metal parts according to claim 1, wherein the first connecting plate is further provided with a positioning plate, the positioning plate is provided with a first positioning block, the clamping arm is provided with a second positioning block, and when the welding fixture is in a clamping state, the second positioning block is located at the position of the first positioning block.
5. The welding fixture of sheet metal parts according to claim 1 or 2, characterized in that the driving part is a double-guide-rod cylinder.
6. The welding fixture for sheet metal parts according to claim 1, further comprising a fixing seat frame, wherein the fixing seat frame is fixedly mounted on the upper portion of the fixing seat, the gear fixing shaft is arranged on the side face of the fixing seat frame, and the clamping arm is rotatably connected with the side face of the fixing seat frame.
7. The welding fixture for sheet metal parts according to claim 1, wherein a pin seat is provided on the first connecting plate, and the positioning pin is provided on the pin seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009487.5A CN111015066A (en) | 2020-01-06 | 2020-01-06 | Welding fixture for sheet metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010009487.5A CN111015066A (en) | 2020-01-06 | 2020-01-06 | Welding fixture for sheet metal parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111015066A true CN111015066A (en) | 2020-04-17 |
Family
ID=70198570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010009487.5A Pending CN111015066A (en) | 2020-01-06 | 2020-01-06 | Welding fixture for sheet metal parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111015066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809291A (en) * | 2021-01-27 | 2021-05-18 | 上海应用技术大学 | Sheet metal part welding clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2604876A1 (en) * | 1976-02-07 | 1977-08-11 | Messer Griesheim Gmbh | WELDING MACHINE WITH A CHUCK |
| CN203830969U (en) * | 2014-03-05 | 2014-09-17 | 浙江吉利控股集团有限公司 | Synchronous clamping mechanism for sheet metal part fixture |
| CN105327977A (en) * | 2015-11-28 | 2016-02-17 | 渝北区千里马模具加工厂 | Car steering yoke machining device |
| CN205834558U (en) * | 2016-07-08 | 2016-12-28 | 长春一汽富晟李尔汽车座椅系统有限公司 | Novel welding fixture location clamping link gear |
| CN207447723U (en) * | 2017-11-10 | 2018-06-05 | 上海敦和汽车装备有限公司 | A kind of sheet metal component clamping and positioning device |
| CN108817819A (en) * | 2018-09-05 | 2018-11-16 | 浙江卓驰机械有限公司 | A kind of welding tool setup of core component |
| CN209550965U (en) * | 2018-11-13 | 2019-10-29 | 秦轩汽车科技（天长）有限公司 | Welding fixture for body panel |
-
2020
- 2020-01-06 CN CN202010009487.5A patent/CN111015066A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2604876A1 (en) * | 1976-02-07 | 1977-08-11 | Messer Griesheim Gmbh | WELDING MACHINE WITH A CHUCK |
| CN203830969U (en) * | 2014-03-05 | 2014-09-17 | 浙江吉利控股集团有限公司 | Synchronous clamping mechanism for sheet metal part fixture |
| CN105327977A (en) * | 2015-11-28 | 2016-02-17 | 渝北区千里马模具加工厂 | Car steering yoke machining device |
| CN205834558U (en) * | 2016-07-08 | 2016-12-28 | 长春一汽富晟李尔汽车座椅系统有限公司 | Novel welding fixture location clamping link gear |
| CN207447723U (en) * | 2017-11-10 | 2018-06-05 | 上海敦和汽车装备有限公司 | A kind of sheet metal component clamping and positioning device |
| CN108817819A (en) * | 2018-09-05 | 2018-11-16 | 浙江卓驰机械有限公司 | A kind of welding tool setup of core component |
| CN209550965U (en) * | 2018-11-13 | 2019-10-29 | 秦轩汽车科技（天长）有限公司 | Welding fixture for body panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809291A (en) * | 2021-01-27 | 2021-05-18 | 上海应用技术大学 | Sheet metal part welding clamp |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200417 |