CN107639380A - A kind of semitrailer corrugated sheet automatic welding tooling - Google Patents
A kind of semitrailer corrugated sheet automatic welding tooling Download PDFInfo
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- CN107639380A CN107639380A CN201711202137.5A CN201711202137A CN107639380A CN 107639380 A CN107639380 A CN 107639380A CN 201711202137 A CN201711202137 A CN 201711202137A CN 107639380 A CN107639380 A CN 107639380A
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- telescopic cylinder
- horizontal beam
- horizontal
- pressing plate
- corrugated sheet
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- 238000003466 welding Methods 0.000 title claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of semitrailer corrugated sheet automatic welding tooling,Supporting table A,Horizontal beam A is set on supporting table B,Horizontal beam B,Horizontal beam A symmetrically sets up post,Column upper end sets horizontal beam C,Horizontal beam A,Horizontal beam B is left,Right-hand member sets horizontal connecting plate A,Horizontal connecting plate B,Telescopic cylinder B,Pressing plate A is set between telescopic cylinder D,Telescopic cylinder A,Pressing plate B is set between telescopic cylinder C,L-type sliding block is fastened on horizontal beam C,L-type sliding block and slide rail,Sliding bar is slidably connected,Reductor is set on horizontal beam C,Positive and reverse return motor,Plate is set up on horizontal beam C,Reductor,Leading screw is set between riser,Vertical connecting plates are set on L-type sliding block,Fixed block,Telescopic cylinder C is set on fixed block,Vertical connecting plates are hinged with welding gun upper end,Telescopic cylinder C is hinged with welding gun middle-end,Pressing plate A,Pressing workbench is set below pressing plate B.Beneficial effect of the present invention：The effect of single-side welding double-side forming is realized, ensure that the welding quality of corrugated sheet.
Description
Technical field
The present invention relates to welding tooling, more particularly to a kind of semitrailer corrugated sheet automatic welding tooling.
Background technology
Van is that the important means of transport of various articles is transported in sealing, not only can be to easily putrid and deteriorated article
Cold-storage transport is carried out, but also some dangerous chemical volatile articles can be transported；Existing van is mostly adopted
Assembly welding is carried out with corrugated sheet, and needs welder personnel to be welded respectively to corrugated sheet both sides by the way of two-sided welding
Operation is connect, the operation that its van quality made depends on welder personnel is horizontal, and not only production is low, and the quality of production is difficult to
Effectively control, and wasted time and energy using two-sided welding mode, manufacture craft falls behind, and is unfavorable for industrialized production.
The content of the invention
The technical problems to be solved by the invention are：A kind of semitrailer corrugated sheet automatic welding tooling is provided, solved existing
The problem of having assembly to weld corrugated sheet needs welder's two-sided welding, wastes time and energy, and the quality of production is difficult to effectively control.
The present invention is to solve the problems, such as that used technical scheme set forth above is：
A kind of semitrailer corrugated sheet automatic welding tooling, including supporting table A1, supporting table B2, horizontal beam A3, horizontal beam B4, column
5th, horizontal beam C6, horizontal connecting plate A7, horizontal connecting plate B8, telescopic cylinder A9, telescopic cylinder B10, telescopic cylinder C11, flexible
Cylinder D12, pressing plate A13, pressing plate B14, slide rail 15, sliding bar 16, L-type sliding block 17, reductor 18, positive and reverse return motor 19, riser
20th, leading screw 21, vertical connecting plates 22, fixed block 23, telescopic cylinder C24, welding gun 25 and pressing workbench 26, institute positioned opposite
To state level on supporting table A1, supporting table B2 and be oppositely arranged horizontal beam A3, horizontal beam B4, horizontal beam A3 both ends are symmetrical arranged column 5,
Horizontal beam C6 is set between the symmetrically arranged upper end of the column 5, and horizontal beam A3, horizontal beam B4 are set respectively between left and right end
Horizontal connecting plate A7, horizontal connecting plate B8, vertically symmetrical setting telescopic cylinder A9, telescopic cylinder B10, water on horizontal connecting plate A7
Vertically symmetrical setting telescopic cylinder C11, telescopic cylinder D12 on flushconnection plate B8, telescopic cylinder B10, telescopic cylinder D12 it is flexible
Pressing plate B14 is set between bar lower end between setting pressing plate A13, telescopic cylinder A9, telescopic cylinder C11 expansion link lower end, and pressed
Plate A13, pressing plate B14 are parallel positioned opposite, and slide rail 15 is set on the upside of horizontal beam C6, sliding bar is horizontally disposed with horizontal beam C6 side walls
16, the upper end of L-type sliding block 17 is fastened on horizontal beam C6, and L-type sliding block 17 is slidably connected with slide rail 15, sliding bar 16 respectively, water
One end sets reductor 18, positive and reverse return motor 19 respectively on the upside of flat-topped ridge C6, and the horizontal beam C6 upsides other end sets riser 20, slowed down
Rotary setting leading screw 21 between machine 18, riser 20, and L-type sliding block 17 is threadedly coupled with leading screw 21, positive and reverse return motor 19 is by subtracting
Fast machine 18 and the power transmission of leading screw 21, the lower end of L-type sliding block 17 set vertical connecting plates 22, set and fix in the side wall of L-type sliding block 17
Block 23, telescopic cylinder C24 is vertically arranged on fixed block 23, the lower end of vertical connecting plates 22 is hinged with the upper end of welding gun 25, telescopic cylinder
C24 lower ends are hinged with the middle-end of welding gun 25, are set below pressing plate A13, pressing plate B14 and are flattened workbench 26.
Horizontal laying copper coin 27, fully ensures that the heat at the upper and lower side weld of corrugated sheet on described pressing workbench 26
Equilibrium, reach the technique effect of single-side welding double-side forming.
The described rear level of pressing workbench 26 is uniformly arranged channel-section steel 28, and the rear end of channel-section steel 28 is arranged at supporting plate
On 29, advance ball 30 is uniformly arranged on channel-section steel 28, corrugated sheet is lain in a horizontal plane on advance ball, be easy to be pushed entrance
On the downside of pressing plate A, pressing plate B.
The operation principle of the present invention：The corrugated sheet that two pieces need to weld is lain in a horizontal plane on advance ball, pushed
On the downside of into pressing plate A, pressing plate B, telescopic cylinder A, telescopic cylinder B, telescopic cylinder C, telescopic cylinder D, which is respectively started, makes pressing plate A, pressure
Adjacent corrugated sheet edge is pressed on copper coin by plate B, and the plate stitch of now adjacent corrugated sheet starts positive and negative as on the downside of welding gun
Rotating motor makes L-type sliding block be moved left and right on horizontal beam C to adjust the left and right displacement of welding gun, starts telescopic cylinder C to adjust weldering
Rifle lower end and the distance of corrugated sheet.
The beneficial effects of the present invention are：1st, it is easy to use, by this welding tooling can realize single-sided welding it is two-sided into
The technique effect of type, saves processing step, has saved a large amount of manpower and materials, and the mobile speed of weld seam is controlled by mechanization
Degree, it can be good at ensureing the welding quality of corrugated sheet, there is very big market promotion prospect.2nd, horizontal laying on workbench is flattened
Copper coin, the heat balance at the upper and lower side weld of corrugated sheet is fully ensured that, reach the technique effect of single-side welding double-side forming.3、
Flatten workbench rear level and be uniformly arranged channel-section steel, the channel-section steel rear end is respectively provided with the supporting plate, and cunning is uniformly arranged on channel-section steel
Dynamic ball, corrugated sheet is lain in a horizontal plane on advance ball, is easy to be pushed on the downside of pressing plate A, pressing plate B.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein, 1- supporting tables A, 2- supporting table B, 3- horizontal beam A, 4- horizontal beam B, 5- column, 6- horizontal beams C, 7- are horizontal
Connecting plate A, 8- horizontal connecting plate B, 9- telescopic cylinder A, 10- telescopic cylinder B, 11- telescopic cylinder C, 12- telescopic cylinder D, 13-
Pressing plate A, 14- pressing plate B, 15- slide rail, 16- sliding bars, 17-L types sliding block, 18- reductors, 19- positive and reverse returns motor, 20- risers,
21- leading screws, 22- vertical connecting plates, 23- fixed blocks, 24- telescopic cylinder C, 25- welding gun, 26- flatten workbench, 27- copper coins,
28- channel-section steels, 29- supporting plates, 30- advance balls.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with the accompanying drawings.
Reference picture 1, a kind of semitrailer corrugated sheet automatic welding tooling described in present embodiment, including supporting table
A1, supporting table B2, horizontal beam A3, horizontal beam B4, column 5, horizontal beam C6, horizontal connecting plate A7, horizontal connecting plate B8, flexible gas
Cylinder A9, telescopic cylinder B10, telescopic cylinder C11, telescopic cylinder D12, pressing plate A13, pressing plate B14, slide rail 15, sliding bar 16, L-type
Sliding block 17, reductor 18, positive and reverse return motor 19, riser 20, leading screw 21, vertical connecting plates 22, fixed block 23, telescopic cylinder C24,
Welding gun 25 and workbench 26 is flattened, level is oppositely arranged horizontal beam A3, water on the supporting table A1, supporting table B2 positioned opposite
Flat-topped ridge B4, horizontal beam A3 both ends are symmetrical arranged column 5, and horizontal beam C6 is set between the symmetrically arranged upper end of column 5, horizontal
Horizontal connecting plate A7, horizontal connecting plate B8 be set respectively between beam A3, the left and right ends of horizontal beam B4, it is vertical on horizontal connecting plate A7
It is symmetrical arranged telescopic cylinder A9, telescopic cylinder B10, vertically symmetrical setting telescopic cylinder C11, telescopic cylinder on horizontal connecting plate B8
D12, telescopic cylinder B10, telescopic cylinder D12 expansion link lower end between set pressing plate A13, telescopic cylinder A9, telescopic cylinder C11
Expansion link lower end between pressing plate B14 is set, and pressing plate A13, pressing plate B14 are parallel positioned opposite, set and slide on the upside of horizontal beam C6
Rail 15, sliding bar 16 is horizontally disposed with horizontal beam C6 side walls, the upper end of L-type sliding block 17 is fastened on horizontal beam C6, and L-type sliding block 17
It is slidably connected respectively with slide rail 15, sliding bar 16, one end sets reductor 18, positive and reverse return motor 19 respectively on the upside of horizontal beam C6,
On the upside of horizontal beam C6 the other end set riser 20, rotary setting leading screw 21 between reductor 18, riser 20, and L-type sliding block 17 with
Leading screw 21 is threadedly coupled, and positive and reverse return motor 19 sets vertical by reductor 18 and the power transmission of leading screw 21, the lower end of L-type sliding block 17
Connecting plate 22, fixed block 23 is set in the side wall of L-type sliding block 17, telescopic cylinder C24, vertical connecting plates are vertically arranged on fixed block 23
22 lower ends are hinged with the upper end of welding gun 25, and telescopic cylinder C24 lower ends are hinged with the middle-end of welding gun 25, are set below pressing plate A13, pressing plate B14
Put and flatten workbench 26.
Horizontal laying copper coin 27, fully ensures that the heat at the upper and lower side weld of corrugated sheet on described pressing workbench 26
Equilibrium, reach the technique effect of single-side welding double-side forming.
The described rear level of pressing workbench 26 is uniformly arranged channel-section steel 28, and the rear end of channel-section steel 28 is arranged at supporting plate
On 29, advance ball 30 is uniformly arranged on channel-section steel 28, corrugated sheet is lain in a horizontal plane on advance ball, be easy to be pushed entrance
On the downside of pressing plate A, pressing plate B.
The operation principle of present embodiment：The corrugated sheet that two pieces need to weld is lain in a horizontal plane on advance ball,
Pushed on the downside of pressing plate A, pressing plate B, telescopic cylinder A, telescopic cylinder B, telescopic cylinder C, telescopic cylinder D, which is respectively started, to be made
Adjacent corrugated sheet edge is pressed on copper coin by pressing plate A, pressing plate B, the plate stitch of now adjacent corrugated sheet as on the downside of welding gun,
Starting clockwise and anticlockwise motor makes L-type sliding block be moved left and right on horizontal beam C to adjust the left and right displacement of welding gun, starts telescopic cylinder C
To adjust the distance of welding gun lower end and corrugated sheet.
The beneficial effect of present embodiment is：1st, it is easy to use, single welding can be realized by this welding tooling
The technique effect of double-faced forming is connect, saves processing step, has saved a large amount of manpower and materials, and weld seam is controlled by mechanization
Translational speed, it can be good at ensureing the welding quality of corrugated sheet, there is very big market promotion prospect.2nd, water on workbench is flattened
Tiling sets copper coin, fully ensures that the heat balance at the upper and lower side weld of corrugated sheet, reaches the technology effect of single-side welding double-side forming
Fruit.3rd, flatten workbench rear level and be uniformly arranged channel-section steel, the channel-section steel rear end is respectively provided with the supporting plate, laid on channel-section steel
Advance ball is put, corrugated sheet is lain in a horizontal plane on advance ball, is easy to be pushed on the downside of pressing plate A, pressing plate B.
The specific embodiment of the present invention is not construed as limiting the invention, every similar structure and change using the present invention
Change, within the scope of the present invention.
Claims (3)
- A kind of 1. semitrailer corrugated sheet automatic welding tooling, it is characterised in that：Including supporting table A（1）, supporting table B（2）, it is horizontal Beam A（3）, horizontal beam B（4）, column（5）, horizontal beam C（6）, horizontal connecting plate A（7）, horizontal connecting plate B（8）, telescopic cylinder A （9）, telescopic cylinder B（10）, telescopic cylinder C（11）, telescopic cylinder D（12）, pressing plate A（13）, pressing plate B（14）, slide rail（15）, it is sliding Lever（16）, L-type sliding block（17）, reductor（18）, positive and reverse return motor（19）, riser（20）, leading screw（21）, vertical connecting plates （22）, fixed block（23）, telescopic cylinder C（24）, welding gun（25）With pressing workbench（26）, the supporting table A positioned opposite （1）, supporting table B（2）Upper level is oppositely arranged horizontal beam A（3）, horizontal beam B（4）, horizontal beam A（3）Both ends are symmetrical arranged column （5）, the symmetrically arranged column（5）Horizontal beam C is set between upper end（6）, horizontal beam A（3）, horizontal beam B（4）Left and right end Between horizontal connecting plate A is set respectively（7）, horizontal connecting plate B（8）, horizontal connecting plate A（7）The upper flexible gas of vertically symmetrical setting Cylinder A（9）, telescopic cylinder B（10）, horizontal connecting plate B（8）Upper vertically symmetrical setting telescopic cylinder C（11）, telescopic cylinder D（12）, Telescopic cylinder B（10）, telescopic cylinder D（12）Expansion link lower end between pressing plate A is set（13）, telescopic cylinder A（9）, flexible gas Cylinder C（11）Expansion link lower end between pressing plate B is set（14）, and pressing plate A（13）, pressing plate B（14）It is parallel positioned opposite, horizontal beam C（6）Upside sets slide rail（15）, horizontal beam C（6）Sliding bar is horizontally disposed with side wall（16）, L-type sliding block（17）Upper end is fastened on Horizontal beam C（6）On, and L-type sliding block（17）Respectively with slide rail（15）, sliding bar（16）It is slidably connected, horizontal beam C（6）Upside one End sets reductor respectively（18）, positive and reverse return motor（19）, horizontal beam C（6）The upside other end sets riser（20）, reductor （18）, riser（20）Between rotary setting leading screw（21）, and L-type sliding block（17）With leading screw（21）Threaded connection, positive and reverse return motor （19）Pass through reductor（18）With leading screw（21）Power transmission, L-type sliding block（17）Lower end sets vertical connecting plates（22）, L-type cunning Block（17）Fixed block is set in side wall（23）, fixed block（23）On be vertically arranged telescopic cylinder C（24）, vertical connecting plates（22）Under End and welding gun（25）Upper end is hinged, telescopic cylinder C（24）Lower end and welding gun（25）Middle-end is hinged, pressing plate A（13）, pressing plate B（14） Lower section, which is set, flattens workbench（26）.
- A kind of 2. semitrailer corrugated sheet automatic welding tooling as claimed in claim 1, it is characterised in that：Described pressing work Platform（26）Upper horizontal laying copper coin（27）.
- A kind of 3. semitrailer corrugated sheet automatic welding tooling as described in any one of claim 1 or 2, it is characterised in that： Described pressing workbench（26）Rear level is uniformly arranged channel-section steel（28）, the channel-section steel（28）Rear end is arranged at supporting plate （29）On, channel-section steel（28）On be uniformly arranged advance ball（30）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202137.5A CN107639380A (en) | 2017-11-27 | 2017-11-27 | A kind of semitrailer corrugated sheet automatic welding tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711202137.5A CN107639380A (en) | 2017-11-27 | 2017-11-27 | A kind of semitrailer corrugated sheet automatic welding tooling |
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| Publication Number | Publication Date |
|---|---|
| CN107639380A true CN107639380A (en) | 2018-01-30 |
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| CN201711202137.5A Pending CN107639380A (en) | 2017-11-27 | 2017-11-27 | A kind of semitrailer corrugated sheet automatic welding tooling |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003275883A (en) * | 2002-03-20 | 2003-09-30 | Honda Motor Co Ltd | Method of butt joining plate material |
| WO2007147900A1 (en) * | 2006-06-23 | 2007-12-27 | Uhdenora S.P.A. | Method of and device for butt welding without weld filler materials thin metal sheets using clamping pressing devices, at least one pressing element being suitable for applying two or more distinct pressure levels |
| CN201175813Y (en) * | 2008-04-02 | 2009-01-07 | 四川省建科工程技术公司 | Automatic welding cramp for light sheet |
| CN101780589A (en) * | 2010-03-22 | 2010-07-21 | 上海新亚焊割成套设备有限公司 | Automatic butt welding equipment for metal sheet |
| CN101890576A (en) * | 2010-08-19 | 2010-11-24 | 上海市激光技术研究所 | Stainless steel or nickel sheet laser tailor-welding alignment clamping device and method |
| CN102241324A (en) * | 2011-06-16 | 2011-11-16 | 青岛变压器集团有限公司 | Plate feeding table |
| CN202701680U (en) * | 2012-07-23 | 2013-01-30 | 杭州和泰机电工业有限公司 | Welding tool of hopper |
| CN104416291A (en) * | 2013-08-28 | 2015-03-18 | 中国科学院沈阳自动化研究所 | Panel pressing device applied to laser tailor-welding |
| CN106541219A (en) * | 2017-01-23 | 2017-03-29 | 袁钥 | A kind of laser ranging continous way corrugated sheet profile welding machine |
-
2017
- 2017-11-27 CN CN201711202137.5A patent/CN107639380A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003275883A (en) * | 2002-03-20 | 2003-09-30 | Honda Motor Co Ltd | Method of butt joining plate material |
| WO2007147900A1 (en) * | 2006-06-23 | 2007-12-27 | Uhdenora S.P.A. | Method of and device for butt welding without weld filler materials thin metal sheets using clamping pressing devices, at least one pressing element being suitable for applying two or more distinct pressure levels |
| KR20090030270A (en) * | 2006-06-23 | 2009-03-24 | 유데노라 에스.피.에이. | Method of and device for butt welding without weld filler materials thin metal sheets using clamping pressing devices, at least one pressing element being suitable for applying two or more distinct pressure levels |
| CN201175813Y (en) * | 2008-04-02 | 2009-01-07 | 四川省建科工程技术公司 | Automatic welding cramp for light sheet |
| CN101780589A (en) * | 2010-03-22 | 2010-07-21 | 上海新亚焊割成套设备有限公司 | Automatic butt welding equipment for metal sheet |
| CN101890576A (en) * | 2010-08-19 | 2010-11-24 | 上海市激光技术研究所 | Stainless steel or nickel sheet laser tailor-welding alignment clamping device and method |
| CN102241324A (en) * | 2011-06-16 | 2011-11-16 | 青岛变压器集团有限公司 | Plate feeding table |
| CN202701680U (en) * | 2012-07-23 | 2013-01-30 | 杭州和泰机电工业有限公司 | Welding tool of hopper |
| CN104416291A (en) * | 2013-08-28 | 2015-03-18 | 中国科学院沈阳自动化研究所 | Panel pressing device applied to laser tailor-welding |
| CN106541219A (en) * | 2017-01-23 | 2017-03-29 | 袁钥 | A kind of laser ranging continous way corrugated sheet profile welding machine |
Non-Patent Citations (1)
| Title |
|---|
| 广州造船厂编写组: "《手工电弧焊》", vol. 1, 30 June 1974, 广东人民出版社, pages: 56 - 59 * |
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