CN203830895U - Resistance welding machine special for pipelines - Google Patents
Resistance welding machine special for pipelines Download PDFInfo
- Publication number
- CN203830895U CN203830895U CN201420210779.5U CN201420210779U CN203830895U CN 203830895 U CN203830895 U CN 203830895U CN 201420210779 U CN201420210779 U CN 201420210779U CN 203830895 U CN203830895 U CN 203830895U
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- welding
- delivery track
- wall
- soldering tip
- plumb joint
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- 238000003466 welding Methods 0.000 title claims abstract description 144
- 238000005476 soldering Methods 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000005452 bending Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A resistance welding machine special for pipelines comprises a pedestal and working walls fixed on the pedestal. The working walls are fixedly disposed at the two sides of the pedestal respectively. The top side of the inner part of each working wall is provided with a fixing wall, and the fixing wall is provided with a downward pressing welding mechanism which adopts cylinder-type welding. The lower end of each welding mechanism is provided with a welding head, and a welding base block is arranged below the welding mechanism correspondingly. A butt welding head is arranged on each welding base block, and the welding head and the butting welding head perform welding in a vertically corresponding manner. The welding head is an upper electrode while the butting welding head is a lower electrode. The resistance welding machine at least has the following beneficial effects that the effect of welding of pipe fittings with different specifications and sizes can be compensated timely during the welding by using the cylinder welding structure; the welding of pipe fittings with many different specifications can be achieved after adjusting the resistance welding machine; and the utilization rate of the single machine for welding is increased sufficiently.
Description
Technical field
The utility model relates to welding machine field, is specifically related to pipeline resistance welder.
Background technology
Resistance welder (resistnce welding mchine) is pressed in welded piece between two electrodes, and impose electric current, resistance heat effect that workpiece contact-making surface and adjacent domain produce is heated fusing or mecystasis to utilize electric current to flow through, and makes it to form a kind of method of metal combination.
In the prior art, resistance welder in pipeline welding, the welding machine special pipeline not being welded.When carrying out pipeline welding, the pipe fitting of unified specification size, can weld by a bonding machine, but in welding process, after in welding, pipe fitting size changes, bonding machine needs to regulate in time, can not make up in time weld size, cause in welding process, need often to regulate bonding machine, to meet the requirement of different size pipeline welding.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of pipeline Special resistance welding machine, can pass through cylinder Welding Structure, make up timely in welding, the effect that the pipe fitting of different specification size is welded, and after equipment is regulated, can meet the pipe fitting welding of more specification, fully improve the utilization rate of unit welding.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of pipeline Special resistance welding machine, comprise base, be fixed on the work wall on base, described work wall respectively holder drops on the both sides of base, the both sides, top side, inside of described work wall are respectively equipped with fixation wall, the welding mechanism of described fixation wall press-down type, described welding mechanism adopts air-cylinder type welding, the lower end of described welding mechanism is provided with plumb joint, the bottom correspondence of described welding mechanism is provided with welding sole piece, described welding sole piece is provided with soldering tip, described plumb joint with to upper and lower corresponding welding of soldering tip, described plumb joint is top electrode, described is bottom electrode to soldering tip.
Base is the overall support of equipment, adopts rectangular three-dimensional-structure, supports, and guarantees firm support effect.
Work wall is fixedly mounted on base, by base, carries out strong support.By be provided with slide rail between base and work wall, can slide to work wall, the spacing of work wall can be regulated, meet the requirement of in using, different size pipeline being welded, improve the service behaviour of equipment.When work wall regulates operation, it is enough spacing that base will leave surplus, to provide work wall to regulate and operation.Work wall supports the fixation wall of portion mounted thereto, to meet the support to the welding mechanism in fixed arm.
If fixation wall, on work wall, is carried out up-down adjustment, just can realize, pipeline to differing heights welds, meet the dimensional requirement of different pipeline butt welding machines, by the adjusting of an equipment, and can meet the welding of equipment to the pipeline of various different sizes.Improve the application polytropy of welding.Fixation wall is welded after regulating, and is the large-sized change of butt welding machine structure, to meet welding requirements.
Welding mechanism directly welds pipeline, to meet the requirement of welding in pipeline processing.Make to need the pipeline of welding firmly to weld together.Welding mechanism adopts air-cylinder type welding, can be by the promotion of cylinder, realize welding, and cylinder promotes to weld, pressure required while welding not only can be provided, pipeline is firmly welded together, and in welding, can go to meet the effect that the pipe fitting of different high and low positions is welded by the promotion of cylinder.Do not need the installation site of butt welding machine structure to regulate, save in process, the pipe fitting of different size is welded in time.Air-cylinder type welding, makes up the change of pipeline welding small-medium size.
Plumb joint be top electrode and bottom to soldering tip, be that bottom electrode is used in conjunction with, pipe fitting is welded.By plumb joint, indirectly installing electrode can change timely after it damages, and adopts integrative-structure, changes trouble, is unfavorable for later maintenance.
Welding sole piece is corresponding with the plumb joint on welding mechanism, makes soldering tip be fixedly mounted on it.
To soldering tip, be that bottom electrode is corresponding with the top electrode of the plumb joint on top, in use, both relativities, weld pipe fitting.To soldering tip, adopt indirectly mode to be fixed and to be connected with welding sole piece, by indirectly fixing, can, to soldering tip is regulated and installing/dismounting timely, be convenient to safeguard.
In further feature, described plumb joint adopts R camber, described soldering tip is adopted to U-shaped arc, the R camber of described plumb joint and corresponding welding of U-shaped arc to soldering tip.
Plumb joint adopts R camber, soldering tip is adopted to U-shaped arc, is undertaken upper and lower correspondingly by R camber and U-shaped arc, when welding, can reach the more firm effect of welding.Make soldered position also be R camber bottom and be U-shaped arc in top, be convenient to the involutory of welding, by meshing with the radian of pipe fitting the U-shaped arc of soldering tip, to meet, after engagement, be more prone to location, then coordinate and weld with the R camber of top plumb joint.
In further feature, the bottom that the inner side of described work wall is positioned at fixation wall is provided with delivery track, and described delivery track is fixedly mounted on the handing-over side of base and work wall, and described delivery track adopts the modes of two corresponding installations to install.
The inner side that delivery track is arranged on work wall is positioned at the bottom of fixation wall, carries out correspondingly with the welding mechanism on top, and pipe fitting is being added to man-hour, is convenient to pipe fitting to weld.Delivery track supports the pipe fitting being placed on it, so that when welding, what structure can be not random rocks, is convenient to the realization of welding.Delivery track is fixedly mounted on the handing-over side of base and work wall, is convenient to utilize fully the space between base and work wall to install delivery track.Make full use of space, for the placement of pipe fitting leaves overdose space.Delivery track adopts two corresponding modes of installing to install, adopt symmetrical structure, the placement of being convenient to pipe fitting can realize balance, and the operating space to operating personnel reserved left and right sides when operating, meet many people and operate simultaneously, the efficiency of working by many people.
In further feature, the left side of described delivery track is provided with side guide wheel, and the bottom of described side guide wheel is positioned at bending adjustable plate is installed on delivery track.
Side guide wheel rolls and sends into being placed on the pipe fitting of side locations.By bending adjustable plate, can regulate upper-lower position and the position, left and right of side guide wheel, after making pipe fitting be placed on side guide wheel, can carry out the adjusting of upper-lower position and horizontal width.While meeting the pipeline processing of different size, the requirement to size.Bending adjustable plate adopts vertical bending angle, can carry out the adjusting of upper and lower and left and right by offside guide wheel, by the link position of bending adjustable plate and delivery track, can realize.
In further feature, the right side of described delivery track is provided with capstan, and the bottom of described capstan is fixedly mounted on delivery track and is provided with left and right adjusting plate.
Capstan carries out the conveying of supportive to the right side of pipeline to be processed, in the process of carrying, capstan only regulates the position of capstan left and right on delivery track by left and right adjusting plate.To meet the requirement to left and right specification of pipe fitting in processing.By left and right adjusting plate, be arranged on delivery track, guarantee that left and right adjusting intralamellar part is provided with regulating tank, by capstan, in regulating tank, move, and then fix by fixed screw, can realize.Determine behind position on one side, then at offside guide wheel, regulate.Capstan plays the role of positioning, and behind location, by the adjusting of side guide wheel, meets the requirement to pipe fitting size in using.One side location, opposite side regulates, and is more conducive to the realization regulating.
In further feature, described delivery track the adjustable support bar that is provided with in middle part, described support bar is laterally arranged on delivery track, the adjustable regulating block that is provided with in the bottom of described support bar.
Support bar carries out the picking-up in centre position to the pipe fitting in delivery track, when side guide wheel and capstan guarantee position, the pipe fitting left and right sides to be processed, by support bar, can effectively support the middle part of pipe fitting, and the position of definite pipe fitting can not change easily, carry out interfix.Support bar regulates by regulating block, and regulating block carries out controllability with delivery track by screw and screw rod and is connected, can be to the angle of support bar and the conscientious adjusting of high and low position, to meet the requirement that adds man-hour at pipe fitting.Make pipe fitting more stable welded catching in process.
Beneficial effect:
Compared with prior art, the pipeline Special resistance welding machine that the utility model adopts technique scheme to provide, at least there is following technique effect and can pass through cylinder Welding Structure, make up timely in welding, the effect that the pipe fitting of different specification size is welded, and after equipment is regulated, can meet the pipe fitting welding of more specification, fully improve the utilization rate of unit welding.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, base 1, work wall 2, fixation wall 3, welding mechanism 4, plumb joint 41, welding sole piece 5, to soldering tip 51, delivery track 6, side guide wheel 61, bending adjustable plate 61a, support bar 62, regulating block 62a, capstan 63, left and right adjusting plate 63a.
The specific embodiment
Being described in is below only exemplary in essence, wants anything but to limit the utility model, application of the present utility model or purposes.For clear, can mark similar element with corresponding Reference numeral in the accompanying drawings.Applied herein, phrase " at least one in A, B and C " should be interpreted as applying A or B or the C on non-exclusive logical "or" presentation logic.Should be appreciated that, in the situation that not changing the utility model principle, can be with each step in different order manners of execution.
The change that concrete shape is done according to concrete demand by designer still should not be considered as departing from flesh and blood of the present invention.
As shown in Figure 1, a kind of pipeline Special resistance welding machine, comprise base 1, be fixed on the work wall 2 on base 1, work wall 2 respectively holder drops on the both sides of base 1, the both sides, top side, inside of work wall 2 are respectively equipped with fixation wall 3, the welding mechanism 4 of fixation wall 3 press-down types, welding mechanism 4 adopts air-cylinder type welding, the lower end of welding mechanism 4 is provided with plumb joint 41, the bottom correspondence of welding mechanism 4 is provided with welding sole piece 5, welding sole piece 5 is provided with soldering tip 51, plumb joint 41 with to soldering tip corresponding welding Shang Xia 51, plumb joint 41 is top electrode, to soldering tip 51, it is bottom electrode.Plumb joint 41 adopts R cambers, and soldering tip 51 is adopted to U-shaped arc, the R camber of plumb joint 41 and corresponding welding of U-shaped arc to soldering tip 51.The bottom that the inner side of work wall 2 is positioned at fixation wall 3 is provided with delivery track 6, and delivery track 6 is fixedly mounted on the handing-over side of base 1 and work wall 2, and delivery track 6 adopts two corresponding modes of installing to install.The left side of delivery track 6 is provided with side guide wheel 61, and the bottom of side guide wheel 61 is positioned on delivery track 6 and is provided with and bends adjustable plate 61a.The right side of delivery track 6 is provided with capstan 63, and the bottom of capstan 63 is fixedly mounted on delivery track 6 and is provided with left and right adjusting plate 63a.Delivery track 6 the adjustable support bar 62 that is provided with in middle part, support bar 62 is laterally arranged on delivery track 6, the adjustable regulating block 62a that is provided with in the bottom of support bar 62.
During real work, a kind of pipeline Special resistance welding machine, comprise base 1, be fixed on the work wall 2 on base 1, work wall 2 respectively holder drops on the both sides of base 1, the both sides, top side, inside of work wall 2 are respectively equipped with fixation wall 3, the welding mechanism 4 of fixation wall 3 press-down types, welding mechanism 4 adopts air-cylinder type welding, the lower end of welding mechanism 4 is provided with plumb joint 41, the bottom correspondence of welding mechanism 4 is provided with welding sole piece 5, welding sole piece 5 is provided with soldering tip 51, plumb joint 41 with to soldering tip corresponding welding Shang Xia 51, plumb joint 41 is top electrode, to soldering tip 51, it is bottom electrode.
Base 1 is the overall support of equipment, adopts rectangular three-dimensional-structure, supports, and guarantees firm support effect.
Work wall 2 is fixedly mounted on base 1, by base 1, carries out strong support.By be provided with slide rail between base 1 and work wall 2, can slide to work wall 2, the spacing of work wall 2 can be regulated, meet the requirement of in using, different size pipeline being welded, improve the service behaviour of equipment.When work wall 2 regulates operation, it is enough spacing that base 1 will leave surplus, to provide work wall 2 to regulate and operation.The fixation wall 3 of work 2 pairs of portions mounted thereto of wall supports, to meet the support to the welding mechanism 4 in fixed arm 3.
If fixation wall 3, on work wall 2, is carried out up-down adjustment, just can realize, pipeline to differing heights welds, meet the dimensional requirement of different pipeline butt welding machines, by the adjusting of an equipment, and can meet the welding of equipment to the pipeline of various different sizes.Improve the application polytropy of welding.After fixation wall 3 regulates, welding, is the large-sized change of butt welding machine structure 4, to meet welding requirements.
4 pairs of pipelines of welding mechanism directly weld, to meet the requirement of welding in pipeline processing.Make to need the pipeline of welding firmly to weld together.Welding mechanism 4 adopts air-cylinder type welding, can be by the promotion of cylinder, realize welding, and cylinder promotes to weld, pressure required while welding not only can be provided, pipeline is firmly welded together, and in welding, can go to meet the effect that the pipe fitting of different high and low positions is welded by the promotion of cylinder.Do not need the installation site of butt welding machine structure 4 to regulate, save in process, the pipe fitting of different size is welded in time.Air-cylinder type welding, makes up the change of pipeline welding small-medium size.
Plumb joint 41 is top electrode and bottom to soldering tip 51 for bottom electrode is used in conjunction with, and pipe fitting is welded.By plumb joint 41, indirectly installing electrode can change timely after it damages, and adopts integrative-structure, changes trouble, is unfavorable for later maintenance.
Welding sole piece 5 is corresponding with the plumb joint 41 on welding mechanism 4, makes to soldering tip 51 fixed installations thereon.
To soldering tip 51, be that bottom electrode is corresponding with the top electrode of the plumb joint 41 on top, in use, both relativities, weld pipe fitting.To soldering tip 51, adopt indirectly mode to be fixed and to be connected with welding sole piece 5, by indirectly fixing, can, to soldering tip 51 is regulated and installing/dismounting timely, be convenient to safeguard.
Plumb joint 41 adopts R cambers, and soldering tip 51 is adopted to U-shaped arc, the R camber of plumb joint 41 and corresponding welding of U-shaped arc to soldering tip 51.
Plumb joint 41 adopts R cambers, soldering tip 51 is adopted to U-shaped arc, is undertaken upper and lower correspondingly by R camber and U-shaped arc, when welding, can reach the more firm effect of welding.Make soldered position also be R camber bottom and be U-shaped arc in top, be convenient to the involutory of welding, by meshing with the radian of pipe fitting the U-shaped arc of soldering tip 51, to meet, after engagement, be more prone to location, then coordinate and weld with the R camber of top plumb joint 41.
The bottom that the inner side of work wall 2 is positioned at fixation wall 3 is provided with delivery track 6, and delivery track 6 is fixedly mounted on the handing-over side of base 1 and work wall 2, and delivery track 6 adopts two corresponding modes of installing to install.
The inner side that delivery track 6 is arranged on work wall 2 is positioned at the bottom of fixation wall 3, carries out correspondingly with the welding mechanism 4 on top, and pipe fitting is being added to man-hour, is convenient to pipe fitting to weld.6 pairs of pipe fittings that are placed on it of delivery track support, so that when welding, what structure can be not random rocks, are convenient to the realization of welding.Delivery track 6 is fixedly mounted on the handing-over side of base 1 and work wall 2, is convenient to utilize fully the space between base 1 and work wall 2 to install delivery track 6.Make full use of space, for the placement of pipe fitting leaves overdose space.Delivery track 6 adopts two corresponding modes of installing to install, adopt symmetrical structure, the placement of being convenient to pipe fitting can realize balance, and the operating space to operating personnel reserved left and right sides when operating, meet many people and operate simultaneously, the efficiency of working by many people.
The left side of delivery track 6 is provided with side guide wheel 61, and the bottom of side guide wheel 61 is positioned on delivery track 6 and is provided with and bends adjustable plate 61a.
The pipe fitting that 61 pairs of side guide wheels are placed on side locations rolls and sends into.By bending adjustable plate 61a, can regulate upper-lower position and the position, left and right of side guide wheel 61, after making pipe fitting be placed on side guide wheel 61, can carry out the adjusting of upper-lower position and horizontal width.While meeting the pipeline processing of different size, the requirement to size.Bending adjustable plate 61a adopts vertical bending angle, can carry out the adjusting of upper and lower and left and right by offside guide wheel 61, by the link position of bending adjustable plate 61a and delivery track 6, can realize.
The right side of delivery track 6 is provided with capstan 63, and the bottom of capstan 63 is fixedly mounted on delivery track 6 and is provided with left and right adjusting plate 63a.
The conveying of supportive is carried out on the right side of 63 pairs of pipelines to be processed of capstan, in the process of carrying, and 63 positions that regulate capstan 63 left and right on delivery track 6 by left and right adjusting plate 63a of capstan.To meet the requirement to left and right specification of pipe fitting in processing.By left and right adjusting plate 63a, be arranged on delivery track 6, guarantee that left and right adjusting plate 63a inside is provided with regulating tank, by capstan 63, in regulating tank, move, and then fix by fixed screw, can realize.Determine behind position on one side, then at offside guide wheel 61, regulate.Capstan 63 plays the role of positioning, and behind location, by the adjusting of side guide wheel 61, meets the requirement to pipe fitting size in using.One side location, opposite side regulates, and is more conducive to the realization regulating.
Delivery track 6 the adjustable support bar 62 that is provided with in middle part, support bar 62 is laterally arranged on delivery track 6, the adjustable regulating block 62a that is provided with in the bottom of support bar 62.
Pipe fitting in 62 pairs of delivery tracks 6 of support bar carries out the picking-up in centre position, when side guide wheel 61 guarantees position, the pipe fitting left and right sides to be processed with capstan 63, by support bar 62, can effectively support the middle part of pipe fitting, and the position of definite pipe fitting can not change easily, carry out interfix.Support bar 62 regulates by regulating block 62a, and regulating block 62a carries out controllability with delivery track 6 by screw and screw rod and is connected, can be to the angle of support bar 62 and the conscientious adjusting of high and low position, to meet the requirement that adds man-hour at pipe fitting.Make pipe fitting more stable welded catching in process.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used base 1, work wall 2, fixation wall 3, welding mechanism 4, plumb joint 41, welding sole piece 5 herein, to terms such as soldering tip 51, delivery track 6, side guide wheel 61, bending adjustable plate 61a, support bar 62, regulating block 62a, capstan 63, left and right adjusting plate 63a, do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (6)
1. a pipeline Special resistance welding machine, it is characterized in that: comprise base (1), be fixed on the work wall (2) on base (1), described work wall (2) respectively holder drops on the both sides of base (1), the both sides, top side, inside of described work wall (2) are respectively equipped with fixation wall (3), the welding mechanism (4) of described fixation wall (3) press-down type, described welding mechanism (4) adopts air-cylinder type welding, the lower end of described welding mechanism (4) is provided with plumb joint (41), the bottom correspondence of described welding mechanism (4) is provided with welding sole piece (5), described welding sole piece (5) is provided with soldering tip (51), described plumb joint (41) with to upper and lower corresponding welding of soldering tip (51), described plumb joint (41) is top electrode, described is bottom electrode to soldering tip (51).
2. pipeline Special resistance welding machine according to claim 1, it is characterized in that: described plumb joint (41) adopts R camber, described soldering tip (51) is adopted to U-shaped arc, the R camber of described plumb joint (41) and corresponding welding of U-shaped arc to soldering tip (51).
3. pipeline Special resistance welding machine according to claim 1, it is characterized in that: the bottom that the inner side of described work wall (2) is positioned at fixation wall (3) is provided with delivery track (6), described delivery track (6) is fixedly mounted on the handing-over side of base (1) and work wall (2), and described delivery track (6) adopts two corresponding modes of installing to install.
4. pipeline Special resistance welding machine according to claim 3, is characterized in that: the left side of described delivery track (6) is provided with side guide wheel (61), and the bottom of described side guide wheel (61) is positioned on delivery track (6) and is provided with and bends adjustable plate (61a).
5. pipeline Special resistance welding machine according to claim 3, it is characterized in that: the right side of described delivery track (6) is provided with capstan (63), the bottom of described capstan (63) is fixedly mounted on delivery track (6) and is provided with left and right adjusting plate (63a).
6. pipeline Special resistance welding machine according to claim 3, it is characterized in that: described delivery track (6) the adjustable support bar (62) that is provided with in middle part, it is upper that described support bar (62) is laterally arranged on delivery track (6), the adjustable regulating block (62a) that is provided with in bottom of described support bar (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210779.5U CN203830895U (en) | 2014-04-28 | 2014-04-28 | Resistance welding machine special for pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420210779.5U CN203830895U (en) | 2014-04-28 | 2014-04-28 | Resistance welding machine special for pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830895U true CN203830895U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420210779.5U Expired - Lifetime CN203830895U (en) | 2014-04-28 | 2014-04-28 | Resistance welding machine special for pipelines |
Country Status (1)
| Country | Link |
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| CN (1) | CN203830895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396628A (en) * | 2018-12-29 | 2019-03-01 | 重庆市金福吉金属制品有限公司 | Row's welding machine of solder joint is freely adjusted on two-dimensional surface |
-
2014
- 2014-04-28 CN CN201420210779.5U patent/CN203830895U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396628A (en) * | 2018-12-29 | 2019-03-01 | 重庆市金福吉金属制品有限公司 | Row's welding machine of solder joint is freely adjusted on two-dimensional surface |
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Granted publication date: 20140917 |