CN108942041A - A kind of adjustable rotary welder - Google Patents
A kind of adjustable rotary welder Download PDFInfo
- Publication number
- CN108942041A CN108942041A CN201810889056.5A CN201810889056A CN108942041A CN 108942041 A CN108942041 A CN 108942041A CN 201810889056 A CN201810889056 A CN 201810889056A CN 108942041 A CN108942041 A CN 108942041A
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- Prior art keywords
- base
- adjustable
- shaft
- welding
- fixed
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- 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.)
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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
- B23K37/047—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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
This application discloses a kind of adjustable rotary welders, rotating mechanism and regulating mechanism including adjustable base, on adjustable base, and the terminal pad for being connected to one end of rotating mechanism and rotating with the rotation of rotating mechanism, the terminal pad are equipped with pressurization welding mechanism.The present invention improves work efficiency, and reduces the labor intensity of worker, and weld seam is beautiful, and weld strength is big, is connected firmly.Occasion is welded suitable for various circular arc cambers.
Description
Technical field
This application involves welding processing device field, in particular to a kind of device of energy rotating welding.
Background technique
Welding is a kind of to heat, pressurize or both and with method, is filled or unfilled with welding material, makes two kinds or two kinds
The above of the same race or dissimilar metal reaches a kind of processing method for the structure that links into an integrated entity by combination and diffusion between atom.
Welding has that switching performance is good, welding structure rigidity is big, good integrity, welding method type are more, welding procedure wide adaptability
Advantage.
But welding needs the two or two or more of the same race or dissimilar metal keeping relatively fixed position, does not allow it to have
Any relative movement, and equidistant movement that welding electrode is remained a constant speed could form good weld seam, guarantee weld strength.
When being plate it is easy to operate if it is circular arc camber when, welding gun hand-manipulated then brings very big difficulty, it is difficult to
Guarantee at the uniform velocity equidistant welding, and speed of welding is slow, low efficiency, Welder's large labor intensity, weld seam are unsightly etc. many lacks
Point, it is therefore desirable to a kind of auxiliary welding equipment, to solve the above problems.
Summary of the invention
In order to solve the above technical problems, solving circular arc, curved surface the purpose of the present invention is to provide a kind of auxiliary welding equipment
Operation difficulty is big when welding, low efficiency, the inaesthetic problem of weld seam.
Technical solution provided by the invention is as follows:
A kind of adjustable rotary welder, rotating mechanism and regulating mechanism including adjustable base, on adjustable base, and
The terminal pad for being connected to one end of rotating mechanism and rotating with the rotation of rotating mechanism, the terminal pad are equipped with pressurization welding
Mechanism.
Preferably, the adjustable base includes first base and the second base relative to first base sliding.
Preferably, the regulating mechanism is that a kind of first base can be driven relative to the first straight of second base linear slide
The fixed part of line driving mechanism, first straight line driving mechanism is connect with first base, the movable part of first straight line driving mechanism with
Second base connection.
Preferably, the rotating mechanism includes the shaft seating on adjustable base, is equipped with and turns in the shaft seating
One end of axis, the shaft is connect with terminal pad, and the other end connects rotation drive device.
Preferably, the pressurization welding mechanism includes the pressurization welding support being fixed in terminal pad, the pressurization welding
The top of support is equipped with second straight line driving mechanism, and the fixed part and pressurization welding support of the second straight line driving mechanism connect
It connects, the movable part connection electrode support connection of the second straight line driving mechanism, one end of the electrode support is equipped with for welding
The electrode connect.
Preferably, the other end of the electrode support is connect by electrode sliding block and electrode sliding rail with pressurization welding support.
Preferably, the terminal pad include disk body and connect with disk body for orientation angle and raising intensity gusset,
The gusset is radially set to the drive end side of disk body.
It preferably, further include angle positioning, the positioning mechanism includes the sensor branch being fixed on rotating mechanism
The position of gusset is detected towards gusset in frame and the sensor on sensor stand, the test side of the sensor.
It preferably, further include mechanical limiting mechanism, the mechanical limiting mechanism includes the limit being fixed in first base
Fixing seat and the limit sliding seat being fixed in second base, the limiting fixed seat are equipped with the Limit screw being threadedly coupled,
After the Limit screw passes through limiting fixed seat, contradicted with limit sliding seat.
Preferably, the both ends of the shaft are rotatably connected by bearing and shaft seating, and the outside of bearing is equipped with bearing
End cap, shaft leads to shaft coupling and the movable part of rotation drive device connects, and the fixed part of rotation drive device passes through driving support
It is fixedly connected with shaft seating.
A kind of adjustable rotary welder provided by the invention, rotates by rotating mechanism and with the rotation of rotating mechanism
Pressurization welding mechanism, electrode can be made to remain a constant speed equidistant mobile welding, substantially mitigate the labor intensity of worker.Pass through rotation
Mechanism realization is at the uniform velocity welded, and makes to keep equidistant between electrode and welded part by the welding mechanism that pressurizes.Improve work
Efficiency reduces the labor intensity of worker, and weld seam is beautiful, and weld strength is big, is connected firmly.And by adjustable base, can adjust
The position of economize on electricity pole, adapts to various welding occasions.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the whole stereoscopic schematic diagram of one embodiment of the present invention；
Fig. 2 is another direction of the whole stereoscopic schematic diagram of one embodiment of the present invention；
Fig. 3 is the schematic front view of one embodiment of the present invention；
Fig. 4 is the schematic top plan view of Fig. 3；
Fig. 5 is the left view schematic diagram of Fig. 3；
Fig. 6 is the A-A schematic cross-sectional view of Fig. 4.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
As Figure 1-Figure 2, the technical solution that present embodiment provides is as follows:
A kind of adjustable rotary welder, rotating mechanism 12 and adjusting machine including adjustable base 11, on adjustable base 11
Structure 15, and the terminal pad 13 for being connected to one end of rotating mechanism 12 and being rotated with the rotation of rotating mechanism 12, the connection
Disk 13 is equipped with pressurization welding mechanism 14.
Wherein, adjustable base 11 is adjustable the position of pressurization welding mechanism 14, so that adapting to various welding occasions.
Wherein, rotating mechanism 12 rotates for being drivingly connected disk 13 and pressurization welding mechanism 14, can be using electricity
As driving mechanism, perhaps motor is connect motivation with bearing block or motor is connect with speed reducer, can also use other
Driving mechanism, such as hydraulic motor, electric cylinders, cylinder, oil cylinder.The rotation speed of rotating mechanism 12 can be according to the actual situation
It adjusts, such as servo motor, retarder, variable-frequency motor.
Wherein, pressurization welding mechanism 14 is equipped with electrode, welding wire or weldering on the welding mechanism 14 that pressurizes for implementing welding
Item, so that can be welded to welded part after being powered.The position of pressurization welding mechanism 14 can be relative to terminal pad 13
It adjusts, to adapt to different circular arc sizes or different soldering angles.
When work, first by the fixed good position of welded part, and the fixed part of adjustable base 11 is fixed, so
Pressurization welding mechanism 14 adjusts good position afterwards, loads onto welding rod or electrode, and can be manually rotated terminal pad 13 1 weeks, watches soldered
Whether the spacing of workpiece and welding rod or electrode is uniformly reasonable, after all are appropriate, is powered to pressurization welding mechanism 14, and start rotation
Rotation mechanism 12, is then at the uniform velocity welded, and welding after a week, can continue if necessary, if after being welded in place, it will
The welding mechanism 14 that pressurizes powers off, and closes rotating mechanism 12.Wherein, the rotation speed of rotating mechanism 12 can be according to the actual situation
It adjusts, such as servo motor, retarder, variable-frequency motor.
Present embodiment, the pressurization welding mechanism 14 rotated by rotating mechanism 12 and with the rotation of rotating mechanism 12,
Electrode 143 can be made to remain a constant speed and equidistantly move welding, substantially mitigate the labor intensity of worker.At the uniform velocity by rotating mechanism 12
Rotation is at the uniform velocity welded to realize, and rotation speed can be adjusted freely.By pressurize welding mechanism 14 make electrode 143 with
It is kept between welded part equidistant.It improves work efficiency, reduces the labor intensity of worker, and weld seam is beautiful, weld seam is strong
Degree is big, is connected firmly.And by adjustable base 11, it is adjustable the position of electrode 143, adapts to various welding occasions.
As shown in fig. 6, the adjustable base 11 may include first base as the further preferred of present embodiment
112 and relative to first base 112 slide second base 111.When work, first base 112 is fixed, second base
111 slide relative to first base 112, to realize regulatory function.
Both the form of sliding-rail sliding or card slot can be set between first base 112 and second base 111, realize
Relative rectilinear it is mobile.For example, using sliding block 114 and sliding rail 113, friction is more as Fig. 6 illustrates one of embodiment
Small, movement is more flexible.
As the further preferred of present embodiment, the regulating mechanism 15 can drive first base 112 to be a kind of
It is straight relative to the first straight line driving mechanism 152 of 111 linear slide of second base, such as electric cylinders, cylinder, electric pushrod, first
The fixed part of line driving mechanism 152 is connect with first base 112, the movable part and second base of first straight line driving mechanism 152
111 connections.
As shown in fig. 6, illustrating one of embodiment: the fixed part of first straight line driving mechanism 152 passes through first
Straight line driving mechanism support 151 is fixedly connected with first base 112, and the movable part of first straight line driving mechanism 152 engages clamp
In 153.Clamp 153 is fixed in second base 111.When first straight line driving mechanism 152 makees expanding-contracting action, the second bottom is driven
Seat 111 moves linearly relative to first base 112.
As shown in fig. 6, the rotating mechanism 12 may include being set to adjustable bottom as the further preferred of present embodiment
Shaft seating 121 on seat 11, the shaft seating 121 is interior to be equipped with shaft 122, one end of the shaft 122 and terminal pad 13
Connection, the other end connect rotation drive device 125.The rotation speed of rotation drive device 125 can be adjusted according to the actual situation,
For example pass through control servo motor, retarder or variable-frequency motor.
When rotation drive device 125 works, drive shaft 122 rotates, to be drivingly connected the rotation of disk 13, also drives simultaneously
Dynamic pressurization welding mechanism 14 rotates.
Wherein, the both ends of the shaft 122 can be rotatably connected by bearing and shaft seating 121, the outside of bearing
Equipped with bearing (ball) cover 126, shaft 122 is led to shaft coupling 123 and is connect with the movable part of rotation drive device 125, rotation drive device
125 fixed part is by driving support 124 to be fixedly connected with shaft seating 121.
Wherein, the connection of shaft 122 and terminal pad 13 can be using key connection, and passes through bolt in the end of shaft 122
Shaft baffle 127 is connected, as shown in figure 5, the diameter of shaft baffle 127 is greater than the diameter of shaft 122, so that terminal pad 13
It will not generate to be displaced outwardly during exercise and fall off.
As shown in fig. 6, the pressurization welding mechanism 14 may include being fixed on as the further preferred of present embodiment
Support 141 is welded in pressurization in terminal pad 13, and the top of the pressurization welding support 141 is equipped with second straight line driving mechanism 142,
For example electric cylinders, cylinder, electric pushrod, the fixed part of the second straight line driving mechanism 142 are connect with pressurization welding support 141,
The movable part connection electrode support 146 of the second straight line driving mechanism 142 connects, and one end of the electrode support 146 is equipped with
Electrode 143 for welding.When second straight line driving mechanism 142 works, driving electrodes support 146 is moved up and down, from
And the position of electrode 143 is had adjusted, to adapt to different welded parts.
Further, the other end of the electrode support 146 can by electrode sliding block 147 and electrode sliding rail 146 with
Pressurization welding support 141 connects, so that electrode support 146 will not arbitrarily shake, maintains accurately position.
Wherein, second electrode support 145 can also be set, as shown in figure 3, second electrode support 145 is fixed on electrode branch
On seat 146, and electrode 143 is fixed on second electrode support 145 by electrode gland 144, so that disassembly electrode 143 is more square
Just.
As the further preferred of present embodiment, the terminal pad 13 may include disk body 131 and connect with disk body 131
For orientation angle and improve the gusset 132 of intensity, the radial drive end side for being set to disk body 131 of the gusset 132.
As the further preferred of present embodiment, as shown in figure 3, can also include angle positioning 16, it is described fixed
Position mechanism 16 includes being fixed on the sensor stand 161 on rotating mechanism 12 and the sensor on sensor stand 161
162, the position of gusset 132 is detected towards gusset 132 in the test side of the sensor 162.
Wherein, sensor 162 can use position sensor, range sensor, such as optoelectronic switch.The sensor 162 is used
In the signal for being powered or powering off to electrode 143, the occasion of interval welding is needed suitable for welded part, some weld seams are not required to
It continuously to weld, then can be controlled by the quantity and the quantity and position of position or sensor 162 that gusset 132 is arranged
Whether weld.For example, a bolt is screwed on gusset 132, because bolt facilitates the gap of adjusting Yu sensor 162.It is passing
Two sensors 162 are set on sensor bracket 161, and one is used to detect starting point, another is used to detect terminal, when bolt reaches
When the sensor 162 of start position, enabling signal is issued, is welded, welding manner can be spot welding by process control, connect
The modes such as continuous weldering.It is welded while rotating, when bolt turns to the sensor 162 in final position, issues power-off signal, stop
Only weld.
It can also include mechanical limiting mechanism 17, the mechanical limiting mechanism as the further preferred of present embodiment
17 include the limiting fixed seat 171 being fixed in first base 112 and the limit sliding seat 172 being fixed in second base 111,
The Limit screw 173 of threaded connection is provided on the limiting fixed seat 171, the Limit screw 173 passes through limiting fixed seat
After 171, contradicted with limit sliding seat 172, it is for preventing regulating mechanism 15 during pushing tow, welded piece top is bad, it rises
The effect protected to mechanical position limitation.
Limit screw 173 can certainly be threaded in limit sliding seat 172 on, then with limiting fixed seat 171
It contradicts, can also play same effect.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of adjustable rotary welder, which is characterized in that including adjustable base (11), the rotation being set on adjustable base (11)
Rotation mechanism (12) and regulating mechanism (15), and be connected to one end of rotating mechanism (12) and with the rotation of rotating mechanism (12) and
The terminal pad (13) of rotation, the terminal pad (13) are equipped with pressurization welding mechanism (14).
2. adjustable rotary welder according to claim 1, which is characterized in that the adjustable base (11) includes first
Pedestal (112) and the second base (111) slided relative to first base (112).
3. adjustable rotary welder according to claim 2, which is characterized in that the regulating mechanism (15) is a kind of energy
Drive the first straight line driving mechanism (152) of first base (112) relative to second base (111) linear slide, first straight line
The fixed part of driving mechanism (152) is connect with first base (112), the movable part and second of first straight line driving mechanism (152)
Pedestal (111) connection.
4. adjustable rotary welder according to claim 1, which is characterized in that the rotating mechanism (12) includes being set to
Shaft seating (121) on adjustable base (11), the shaft seating (121) is interior to be equipped with shaft (122), the shaft (122)
One end connect with terminal pad (13), the other end connect rotation drive device (125).
5. adjustable rotary welder according to claim 1, which is characterized in that the pressurization welding mechanism (14) includes
The top of pressurization welding support (141) being fixed on terminal pad (13), pressurization welding support (141) is equipped with second straight line
Driving mechanism (142), the fixed part of the second straight line driving mechanism (142) are connect with pressurization welding support (141), and described the
The movable part connection electrode support (146) of two straight line driving mechanisms (142) connects, and one end of the electrode support (146) is equipped with
Electrode (143) for welding.
6. adjustable rotary welder according to claim 5, which is characterized in that the electrode support (146) it is another
End is connect by electrode sliding block (147) and electrode sliding rail (146) with pressurization welding support (141).
7. adjustable rotary welder according to claim 1, which is characterized in that the terminal pad (13) includes disk body
(131) and with disk body (131) gusset (132) for orientation angle and raising intensity connecting, the gusset (132) radially set
Drive end side in disk body (131).
8. adjustable rotary welder according to claim 7, which is characterized in that it further include angle positioning (16),
The positioning mechanism (16) includes the sensor stand (161) that is fixed on rotating mechanism (12) and is set to sensor stand
(161) position of gusset (132) is detected towards gusset (132) in the sensor (162) on, the test side of the sensor (162)
It sets.
9. adjustable rotary welder according to claim 2, which is characterized in that it further include mechanical limiting mechanism (17),
The mechanical limiting mechanism (17) includes the limiting fixed seat (171) being fixed on first base (112) and is fixed on the second bottom
Limit sliding seat (172) on seat (111), the limiting fixed seat (171) are equipped with the Limit screw (173) being threadedly coupled,
After the Limit screw (173) passes through limiting fixed seat (171), contradicted with limit sliding seat (172).
10. adjustable rotary welder according to claim 2, which is characterized in that the both ends of the shaft (122) pass through
Bearing is rotatably connected with shaft seating (121), and the outside of bearing is equipped with bearing (ball) cover (126), and shaft (122) leads to shaft coupling
(123) it is connect with the movable part of rotation drive device (125), the fixed part of rotation drive device (125) passes through driving support
(124) it is fixedly connected with shaft seating (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889056.5A CN108942041B (en) | 2018-08-07 | 2018-08-07 | Adjustable spin welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889056.5A CN108942041B (en) | 2018-08-07 | 2018-08-07 | Adjustable spin welding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942041A true CN108942041A (en) | 2018-12-07 |
| CN108942041B CN108942041B (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889056.5A Active CN108942041B (en) | 2018-08-07 | 2018-08-07 | Adjustable spin welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942041B (en) |
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| CN101143403A (en) * | 2007-09-24 | 2008-03-19 | 浙江巨力电机成套设备有限公司 | Single cylinder dual-action type spot welding machine welding head |
| CN203696222U (en) * | 2013-12-18 | 2014-07-09 | 柳州广菱汽车技术有限公司 | Automatic welding equipment |
| CN204035843U (en) * | 2014-07-16 | 2014-12-24 | 茂名职业技术学院 | A kind of automatic circular arc bonding machine |
| CN104842060A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | Sheet metal shelf reinforcing rib double-head welding machine |
| CN106181040A (en) * | 2016-08-24 | 2016-12-07 | 浙江朗德电子科技有限公司 | A kind of periphery automatic soldering device |
| CN107214454A (en) * | 2017-07-31 | 2017-09-29 | 李乐乐 | A kind of nonpetroleum pipeline encircling welding equipment |
| CN107570929A (en) * | 2017-10-25 | 2018-01-12 | 佛山蓝途科技有限公司 | A kind of circular seam welder |
| CN206883053U (en) * | 2017-05-18 | 2018-01-16 | 河南天元网架股份有限公司 | A kind of construction steel structure pipe circular seam welding device |
-
2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555239A (en) * | 1966-11-16 | 1971-01-12 | William J Kerth | Welding machine with digital pulse control |
| JPH08224693A (en) * | 1995-02-22 | 1996-09-03 | Mitsubishi Materials Corp | Circumfrence welding equipment |
| CN1145836A (en) * | 1995-09-20 | 1997-03-26 | 日铁溶接工业株式会社 | Vertical edge welding device |
| CN101143403A (en) * | 2007-09-24 | 2008-03-19 | 浙江巨力电机成套设备有限公司 | Single cylinder dual-action type spot welding machine welding head |
| CN203696222U (en) * | 2013-12-18 | 2014-07-09 | 柳州广菱汽车技术有限公司 | Automatic welding equipment |
| CN204035843U (en) * | 2014-07-16 | 2014-12-24 | 茂名职业技术学院 | A kind of automatic circular arc bonding machine |
| CN104842060A (en) * | 2015-05-29 | 2015-08-19 | 昆山市汇新焊接机械自动化科技有限公司 | Sheet metal shelf reinforcing rib double-head welding machine |
| CN106181040A (en) * | 2016-08-24 | 2016-12-07 | 浙江朗德电子科技有限公司 | A kind of periphery automatic soldering device |
| CN206883053U (en) * | 2017-05-18 | 2018-01-16 | 河南天元网架股份有限公司 | A kind of construction steel structure pipe circular seam welding device |
| CN107214454A (en) * | 2017-07-31 | 2017-09-29 | 李乐乐 | A kind of nonpetroleum pipeline encircling welding equipment |
| CN107570929A (en) * | 2017-10-25 | 2018-01-12 | 佛山蓝途科技有限公司 | A kind of circular seam welder |
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| Publication number | Publication date |
|---|---|
| CN108942041B (en) | 2021-04-30 |
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Denomination of invention: An adjustable rotary welding device Effective date of registration: 20220607 Granted publication date: 20210430 Pledgee: Bank of Changsha Co.,Ltd. Jincheng sub branch Pledgor: HUNAN CHUANGYAN INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2022430000038 |