CN104439870A - Internal girth welding device for welding of symmetric-spring tank heads - Google Patents
Internal girth welding device for welding of symmetric-spring tank heads Download PDFInfo
- Publication number
- CN104439870A CN104439870A CN201310426606.7A CN201310426606A CN104439870A CN 104439870 A CN104439870 A CN 104439870A CN 201310426606 A CN201310426606 A CN 201310426606A CN 104439870 A CN104439870 A CN 104439870A
- Authority
- CN
- China
- Prior art keywords
- centralized positioning
- welding
- tank case
- gas
- positioning axle
- 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
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K2101/04—Tubular or hollow articles
- B23K2101/12—Vessels
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a welding device, in particular to an internal girth welding device for welding of symmetric-spring tank heads. The internal girth welding device comprises a central positioning shaft, two three-jaw positioning racks and a gas shielded welding rack; the three-jaw positioning racks are disposed at front and rear and fixedly connected to the central positioning shaft; the gas shielded welding rack connected with the central positioning shaft through a bearing is disposed at the top end of the central positioning shaft; phase positions of the three-jaw positioning racks have a 60-degree difference; each three-jaw positioning rack comprises three positioning jaws identical in length and 120 degrees spaced and a central positioning fastener disposed in the center of the positioning jaws; the central positioning fasteners are fixedly connected with the central positioning shaft; the gas shielded welding rack comprises a rod stand, a counterweight disposed at one end of the rod stand and a welding head provided with a gas shielding cover and arranged at the other end of the rod stand. The internal girth welding device with the structure has the advantages that concentricity of the central positioning shaft and a tank is guaranteed, thus ensuring welding quality; a return device is fixedly connected with the gas shielding cover, the problems of gas leakage and poor gas protection caused by stress non-uniformity and a cylinder allowing out-of-roundness are effectively solved, and welding efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of welder, particularly relate to a kind of rotary tank case end socket inner loop welder.
Background technology
Tank case is for transport liquid food additives, the desirable storage tank of pharmaceuticals and chemical products, its shape is cylinder capsule-type, and the framework be provided at an outer portion with for being connected with car body, existing tank case adds man-hour generally from interior welds, during its welding, tank case is placed on two carrying rollers and makes it rotate by employing, rotating welding is fixed by locating rack in tank case inside, the locating rack of current use is cross locating rack, and respectively arrange one in the rear and front end of locating shaft, angle is identical, existing locating rack is when tank case rotates, locate bad, locating shaft is easily made to shake, affect welding quality.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of rotary tank case end socket inner loop welder ensureing welding quality.
The present invention is achieved by the following technical programs:
A kind of rotary tank case end socket inner loop welder, comprise centralized positioning axle, center is fixed in two three-pawl type locating racks that on centralized positioning axle and front and back arrange and is located at the gas shielded welding frame that centralized positioning axle top is connected by bearing with centralized positioning axle, the axial phase 60 ° of described two three-pawl type locating racks, described three-pawl type locating rack comprises the locating detent at three isometric 120 °, intervals and is located at the centralized positioning card at locating detent center, described centralized positioning card and centralized positioning axle affixed, described gas shielded welding frame comprises hack lever, be located at the balancing weight of hack lever one end and be located at the soldering tip with gas shield cover of the hack lever other end, described gas shield cover lower end is provided with return mechanism, described return mechanism and gas shield cover affixed, its place plane orthogonal is in two springs symmetrically arranged with hack lever of centralized positioning axle.
Described locating detent is provided with axial-adjustment unit.
Described axial-adjustment unit is adjusting screw(rod).
The top of described gas shield cover is the circular arc matched with tank case end socket inside.
The invention has the beneficial effects as follows:
Owing to arranging two three-pawl type locating racks, two axial phase 60 ° of three-pawl type locating rack, described three-pawl type locating rack comprises the locating detent at three isometric 120 °, intervals and is located at the centralized positioning card at locating detent center, described centralized positioning card and centralized positioning axle affixed, so overall locating rack contacts as 6 of phase 60 ° different location points with tank case, ensure that the concentricity of centralized positioning axle and tank case, thus ensure that welding quality, gas shield cover lower end is provided with return mechanism, described return mechanism and gas shield cover affixed, its place plane orthogonal is in two springs symmetrically arranged with hack lever of centralized positioning axle, efficiently solve discontinuity and the cylindrical shell permissible out of roundess and the gas leakage caused, gas shield incomplete phenomena, substantially increase welding efficiency.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is two three-pawl type locating rack arrangement schematic diagrames of the present invention.
Fig. 3 is the main TV structure schematic diagram of return mechanism of the present invention.
In figure: 1. the first three-pawl type locating rack, 2. the second three-pawl type locating rack, 3. adjusting screw(rod); 4. centralized positioning axle; 5. bearing, 6. hack lever, 7. gas shield cover; 8. air inlet pipe; 9. end socket, 10. cylindrical shell, 11. weld seams; 1-1,1-2,1-3. first three-pawl type locating rack locating detent, 2-1,2-2,2-3. second three-pawl type locating rack locating detent.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail.
As shown in the figure, the present invention includes centralized positioning axle 4, center is fixed in two three-pawl type locating racks (the first three-pawl type locating rack 1 that on centralized positioning axle and front and back are arranged, second three-pawl type locating rack 2) and be located at the gas shielded welding frame that centralized positioning axle top is connected by bearing 5 with centralized positioning axle, the axial phase 60 ° of described two three-pawl type locating racks, described three-pawl type locating rack comprises the locating detent at three isometric 120 °, intervals and is located at the centralized positioning card at locating detent center, described centralized positioning card and centralized positioning axle affixed, described gas shielded welding frame comprises hack lever 6, be located at the balancing weight of hack lever one end and be located at the soldering tip with gas shield cover 7 of the hack lever other end.Described in this example, locating detent is provided with axial-adjustment unit.Conveniently finely tune centering.Described axial-adjustment unit is adjusting screw(rod) 3.The top of described gas shield cover is the circular arc matched with tank case end socket inside.Prevent gas shield cover from rubbing mutually with tank case end socket inside., described gas shield cover lower end is provided with return mechanism, described return mechanism and gas shield cover affixed, its place plane orthogonal is in two springs 12 symmetrically arranged with hack lever of centralized positioning axle.
During work, this device integral support by three-pawl type locating rack intersect 60 ° form, the stability of overall locating rack can be increased, fine setting centering is carried out by adjusting screw(rod) 3 in debug process, to ensure centralized positioning axle 4 and cylindrical shell 10 center superposition, two three-pawl type locating racks are by centralized positioning axle, be connected with the hack lever 6 with gas shield cover 7, running in bearings 5 between centralized positioning axle and hack lever, balancing weight is loaded below hack lever, when ensureing the plumbness of gas shield cover in the process of Cylinder and end socket 9 being carried out to rotation welding all the time, welding gas is imported from air inlet pipe 8, butt welded seam 11 plays effective protective effect.
Owing to arranging two three-pawl type locating racks, two axial phase 60 ° of three-pawl type locating rack, described three-pawl type locating rack comprises the locating detent at three isometric 120 °, intervals and is located at the centralized positioning card at locating detent center, described centralized positioning card and centralized positioning axle affixed, so overall locating rack contacts as 6 of phase 60 ° different location points with tank case, ensure that the concentricity of centralized positioning axle and tank case, thus ensure that welding quality.Return mechanism and gas shield cover affixed; its place plane orthogonal is in two springs symmetrically arranged with hack lever of centralized positioning axle; efficiently solve discontinuity and the cylindrical shell permissible out of roundess and the gas leakage caused, gas shield incomplete phenomena, substantially increase welding efficiency.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a symmetrical spring formula tank case end socket inner loop welder, it is characterized in that, comprise centralized positioning axle, center is fixed in two three-pawl type locating racks on centralized positioning axle and is located at the gas shielded welding frame that centralized positioning axle top is connected with centralized positioning axle bearing, the axial phase 60 ° of described two three-pawl type locating racks, described three-pawl type locating rack comprises the locating detent at three isometric 120 °, intervals and is located at the centralized positioning card at locating detent center, described centralized positioning card and centralized positioning axle affixed, described gas shielded welding frame comprises hack lever, be located at the balancing weight of hack lever one end and be located at the soldering tip with gas shield cover of the hack lever other end, described gas shield cover lower end is provided with return mechanism, described return mechanism and gas shield cover affixed, its place plane orthogonal is in two springs symmetrically arranged with hack lever of centralized positioning axle.
2. a kind of symmetrical spring formula tank case end socket inner loop welder according to claim 1, it is characterized in that, described locating detent is provided with axial-adjustment unit.
3. a kind of symmetrical spring formula tank case end socket inner loop welder according to claim 2, it is characterized in that, described axial-adjustment unit is adjusting screw(rod).
4. a kind of symmetrical spring formula tank case end socket inner loop welder according to any one of claim 1 or 2, is characterized in that, the top of described gas shield cover is the circular arc matched with tank case end socket inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426606.7A CN104439870A (en) | 2013-09-17 | 2013-09-17 | Internal girth welding device for welding of symmetric-spring tank heads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426606.7A CN104439870A (en) | 2013-09-17 | 2013-09-17 | Internal girth welding device for welding of symmetric-spring tank heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104439870A true CN104439870A (en) | 2015-03-25 |
Family
ID=52887036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310426606.7A Pending CN104439870A (en) | 2013-09-17 | 2013-09-17 | Internal girth welding device for welding of symmetric-spring tank heads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439870A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382466A (en) * | 2015-12-02 | 2016-03-09 | 芜湖成德龙过滤设备有限公司 | Fixing device used for rotary welding machine |
| CN107962281A (en) * | 2017-11-20 | 2018-04-27 | 昆山华恒焊接股份有限公司 | Carry on the back protective device and the welding back of the body protection system with back of the body protective device |
-
2013
- 2013-09-17 CN CN201310426606.7A patent/CN104439870A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382466A (en) * | 2015-12-02 | 2016-03-09 | 芜湖成德龙过滤设备有限公司 | Fixing device used for rotary welding machine |
| CN107962281A (en) * | 2017-11-20 | 2018-04-27 | 昆山华恒焊接股份有限公司 | Carry on the back protective device and the welding back of the body protection system with back of the body protective device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
|
| WD01 | Invention patent application deemed withdrawn after publication |