CN2303703Y - Fully double-revolving type welding position-changing machine - Google Patents
Fully double-revolving type welding position-changing machine Download PDFInfo
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- CN2303703Y CN2303703Y CN 97221477 CN97221477U CN2303703Y CN 2303703 Y CN2303703 Y CN 2303703Y CN 97221477 CN97221477 CN 97221477 CN 97221477 U CN97221477 U CN 97221477U CN 2303703 Y CN2303703 Y CN 2303703Y
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Abstract
The utility model relates to a fully double-revolving type welding position-changing machine, belonging to the category of the welding process equipment, wherein, a rotary rack is an open-web member, and is composed of a horizontal arm and a vertical arm. The vertical arm is connected with a box body through a big revolving support. A working table is connected with the horizontal arm of the rotary rack through a small revolving support. Through a U-shaped, C-shaped or L-shaped rotary rack arranged on the box body through the revolving support and the working table arranged on the rotary rack, the welded member clamped on the working table can be caused to optionally revolve on both orthogonal directions in omnibearing way. The fully double-revolving type welding position-changing machine has the advantages of big load bearing range, high stability, convenient and firm installation of the member, and safe use, and can realize the programmed control. The utility model is suitable for welding the large member, the complex member and the member with a particular shape.
Description
The utility model relates to a kind of mechanical component positioner, is also referred to as welding tilter or positioner, belongs to welding procedure equipment category.
The advanced method of state's external welding large-sized mechanical component is to adopt welding robot, is equipped with automatic positioner, domesticly still can not popularize.Artificial positioner commonly used both at home and abroad has three kinds of patterns substantially: arm extending type, the swinging of tumbling and two-seater list swinging.Because be subjected to the restriction of freedom of motion, these several positioners all can not be realized being welded any rotation of member in the space, can not make various weld seams can both transform to desirable position.The two swinging positioners (patent No. ZL 96200556.8) of the single seat L type that occurs have been used complete two revolution displacement principle later on, can make by the rotation arbitrarily on orthogonal both direction of weldering member, can all transform to downhand welding to all weld seams on the member or the ship welding position is put, flexible and convenient to use, showed characteristics and advantage that other type positioner is not had.But because the profile of mechanical component is varied, the difference between its weight and size is also very big, only just is difficult to adapt to the needs of polytype structural member welding with existing this L type positioner, and its selected structure also has certain limitation.For example: the first, L type swivel mount is installed on the output shaft of big slewing gear, and when member was heavier, this single shaft cantilever design was stressed bigger, and the rigidity of structure and stability are all relatively poor; The second, the big or special member of shape for profile and weight, single face is installed on L type horizontal arm work top, and is solid and reliable inadequately during revolution; The 3rd, L type positioner is the single seat structure, and when carrying out the large-scale component welding, the tilting moment that bearing bore is bigger, and stability is bad; The 4th, big slewing gear and little slewing gear adopt reductor to add the first-stage worm gear worm transmission structure, when requiring gearratio big, need to adopt the big speed ratio worm gear pairs, and technical performance and economic performance are all good inadequately; The 5th electric-control system can not be realized programme-control, can not adapt to automatic welding demand; And do not equip the transmission channel of welding current, may cause the ablation of driving parts.
The purpose of this utility model is to provide a kind of novel positioner with different shape rollover stand, the upright arm of its swivel mount all is to link by a big pivoting support and casing, workbench all is that the horizontal arm by a little pivoting support and swivel mount links, compare the bearing capacity that can improve positioner with the single shaft connection, strengthen the stiffness and the stability of structure, and be applicable to the welding of the member that complex structure and shape are special.
The technical solution of the utility model is: a kind of complete pair of swinging positioner, form by the big slewing gear of casing, swivel mount, workbench and control swivel mount and work table rotation, little slewing gear and electric-control system, it is characterized in that: said swivel mount (3) is a cavity member, form by horizontal arm and upright arm, upright arm links by big pivoting support (12) and casing, and workbench (4) links by little pivoting support (13) and swivel mount horizontal arm.
When swivel mount (3) is a U type cavity member, it is by a horizontal arm (8) and two upright arms (10,11) form, initiatively upright arm (10) links by big pivoting support (12) and first casing (1), driven upright arm (11) links by driven shaft (14) and boot body (2), and workbench (4) links by little pivoting support (13) and swivel mount horizontal arm (8).
When swivel mount (3) is a C type cavity member, it is by a upright arm (10) and two horizontal arms (8,9) form, upright arm (10) links by big pivoting support (12) and casing (1), workbench (4) links by the active horizontal arm (8) of little pivoting support (13) with swivel mount (3), supporting station (16) links by driven shaft (15) and driven horizontal arm (9), places balance weight (29) at lower box.
When swivel mount (3) is a L type cavity member, it is made up of a upright arm (10) and a horizontal arm (8), upright arm (10) links by big pivoting support (12) and casing (1), workbench (4) links by the horizontal arm (8) of little pivoting support (13) with swivel mount (3), place balance weight (29,30) respectively at lower box and upright arm top.
The big slewing gear (5) of controlling the upright arm rotation of these three kinds of different rollover stands is installed in separately the casing (1), by cycloidal planetary gear speed reducer (17), sprocket wheel (18), chain (19), worm reduction gear (20), big revolution pinion (21) is formed, big revolution pinion (21) is installed on the output shaft (35) of worm reduction gear (20), and be meshed with the gear ring (33) of big pivoting support (12), gear ring (33) is affixed with upright arm (10), and the little slewing gear (6) of controlling this three kinds of positioner workbench rotation is installed in separately the horizontal arm (8), by cycloidal planetary gear speed reducer (22), yielding coupling (23), worm reduction gear (24), little revolution pinion (25) is formed, little revolution pinion (25) is installed on the output shaft (36) of worm reduction gear (24), and be meshed gear ring (34) and the workbench Joint that is bearing on the horizontal arm (8) with the gear ring (34) of little pivoting support (13).
The utility model electric-control system (7) adopts program control device, be installed in the casing (1), control device comprises control panel (31) and the hand-held remote control control box (32) that is installed in casing (1) side surface, on big rotary middle spindle (26) and little rotary middle spindle (27) welding current collector ring (28) is installed all.
Of the present utility model waiting levied, and is to have conceived several new structures.Its advantage is: one, and pivoting support is all adopted in being connected of swivel mount and casing and being connected of workbench and swivel mount, is connected with single shaft and compares, and has improved bearing capacity, has strengthened the rigidity of structure and stability, and pivoting support is a garden dish simultaneously, has made things convenient for structural configuration; Two, the U type swivel mount of employing is installed on the double support (casing), compares with the single support structure, greatly reduces the work moment of flexure of swivel mount and casing connection place and the tilting moment that bearing bears, and structure stress is more reasonable; Three, the C type swivel mount of employing is provided with workbench (initiatively) and supporting station (passive), is welded member can be installed on 2 o'clock, has improved reliability and the operational security that connects is installed; Four, big revolution transmission and little revolution transmission all adopt cycloidal planetary gear speed reducer, worm reduction gear and pivoting support to slow down, both guarantee the auto-lock function of transmission and the safety of operation, simplified drive mechanism again, improved the technical-economic index of large and small transmission device; Five, electric control gear with programme-control function, can make positioner weld procedure specification welding in accordance with regulations, prevent the welding deformation of member, also can cooperate welding robot or automatic welder(welding machine) to use, improved the Automation of Welding degree, simultaneously, because the collector ring of transmission welding current all is installed on large and small rotary middle spindle, can make the powerful welding current transmission system of not flowing through, guaranteed the good operation of equipment.Above-mentioned new construction is specially adapted to the member welding that appearance and size is big, weight is big or shape is special, inconvenience is installed, and has guaranteed the reasonable realization of complete two revolution principles.Dissimilar members can be installed on the workbench easily, several swivel mounts that are installed on the casing can be done ± 360 ° of n revolutions around a horizontal axis of casing, and the workbench that is installed on the swivel mount can be around doing ± 360 ° of n revolutions with the perpendicular axle of above-mentioned horizontal axis, makes all weld seams on the member all can be switched to downhand welding or the ship welding position is put so just can realize being welded member revolution arbitrarily in all directions without restriction (promptly complete two the revolution) on orthogonal both direction.
The utility model is stressed, and rationally simple in structure, member is installed convenient and reliable, and the welding convenient and flexible operation can cooperate welding robot or automatic welder(welding machine) operation, and security is good.Of the present utility model applying can guarantee welding quality, enhances productivity, and reduces manufacturing cost, is fit to the needs of current Chinese economy development and technical merit, is a kind of desirable welding jig with good technique economic benefit and practical value.
Accompanying drawing:
Complete two swinging positioner (U type) shape assumption diagrams of Fig. 1
Complete two swinging positioner (C type) shape assumption diagrams of Fig. 2
Complete two swinging positioner (L type) shape assumption diagrams of Fig. 3
The complete two large and small slewing gear structure charts of swinging positioner of Fig. 4
Among the figure: casing (1,2), swivel mount (3), workbench (4), big slewing gear (5), little slewing gear (6), electric-control system (7), horizontal arm (8,9), upright arm (10,11), big pivoting support (12), little pivoting support (13), driven shaft (14,15), supporting station (16), cycloidal planetary gear speed reducer (17,22), sprocket wheel (18), chain (19), worm reduction gear (20,24), big revolution pinion (21), yielding coupling (23), little revolution pinion (25), big rotary middle spindle (26), little rotary middle spindle (27), welding current collector ring (28), balance weight (29,30), control panel (31), hand-held remote control control box (32), gear ring (33), gear ring (34), output shaft (35), output shaft (36).
Embodiment one
Referring to Fig. 1, Fig. 4, be the technical scheme of the complete two swinging positioners (U type) of the utility model.
The active upright arm (10) of U type swivel mount (3) is supported on first casing (1) and the boot body (2) by big pivoting support (12) and driven shaft (14) respectively with driven upright arm (11).The revolution action of swivel mount relies on the big slewing gear (5) that is installed in the first casing to drive, drive worm reduction gear (20) running by cycloidal planetary gear speed reducer (17), sprocket wheel (18), chain (19), the big revolution pinion (21) that is installed on the worm reduction gear output shaft (35) is meshed with the gear ring (33) of big pivoting support (12), thereby drives big pivoting support gear ring and do 360 ° of n revolutions with the swivel mount of gear ring Joint around big rotary middle spindle (26).The workbench (4) that is bearing on the swivel mount horizontal arm (8) relies on the little slewing gear (6) that is installed in the horizontal arm to drive, drive worm reduction gear (24) running by cycloidal planetary gear speed reducer (22), yielding coupling (23), the little revolution pinion (25) that is installed on the worm reduction gear output shaft (36) is meshed with the gear ring (34) of little pivoting support (13), thereby drives little pivoting support gear ring and do ± 360 ° of n revolutions with the workbench of gear ring Joint around little rotary middle spindle (27).The large and small gyration of positioner is by control panel (31) and the manual control that can generally move away from the remote control control box (32) of casing or the programme-control of compulsory exercise of casing side.For handling safety, this two covers control device is interlocking, and is when using a cover control device, another set of inoperative.On the large and small rotary middle spindle, the collector ring (28) of transmission welding current is housed all, makes powerful welding current unlikely, avoid equipment impaired by driving parts.
This U type positioner has adopted double support structure and pivoting support, and bearing capacity is big, and stress performance is good, and resistance to overturning is good, is applicable to the welding displacement of large scale and big wt pts.
Embodiment two
Referring to Fig. 2, Fig. 4, be the technical scheme of the complete two swinging positioners (C type) of the utility model.
The upright arm (10) of C type swivel mount (3) is supported on the casing (1) by big pivoting support (12).The revolution action of swivel mount relies on the big slewing gear (5) that is installed in the casing to drive, drive worm reduction gear (20) running by cycloidal planetary gear speed reducer (17), sprocket wheel (18), chain (19), the big revolution pinion (21) that is installed on the worm reduction gear output shaft (35) is meshed with the gear ring (33) of big pivoting support (12), thereby drives big pivoting support gear ring and do ± 360 ° of n revolutions with the swivel mount of gear ring Joint around big rotary middle spindle (26).The workbench (4) that is bearing on the swivel mount active horizontal arm (8) relies on the little slewing gear (6) that is installed in the horizontal arm to drive, drive worm reduction gear (24) running by cycloidal planetary gear speed reducer (22), yielding coupling (23), the little revolution pinion (25) that is installed on the worm reduction gear output shaft (36) is meshed with the gear ring (34) of little pivoting support (13), thereby drives little pivoting support gear ring and do ± 360 ° of n revolutions with the workbench of gear ring Joint around little rotary middle spindle (27).On the driven shaft (15) of driven horizontal arm (9), supporting station (16) is installed, is welded on two table tops that member is installed on workbench and supporting station.The large and small gyration of positioner is by control panel (31) and the manual control that can generally move away from the remote control control box (32) of casing or the programme-control of compulsory exercise of casing side.For handling safety, this two covers control device is interlocking, and is when using a cover control device, another set of inoperative.On the large and small rotary middle spindle, the collector ring (28) of transmission welding current is housed all, makes powerful welding current unlikely, avoid equipment impaired by driving parts.
This C type positioner, single support structure and pivoting support have been adopted, and two table tops of member are installed, compact conformation, it is solid and reliable to be installed, and has placed balance weight (29) in the bottom of casing, the tilting moment in can the equilbrium running process, strengthened the stability of equipment, be applicable to that size and weight are big or shape is special, the member welding of the inconvenience that is installed.
Embodiment three
Referring to Fig. 3, Fig. 4, be the technical scheme of the complete two swinging positioners (L type) of the utility model.
The upright arm (10) of L type swivel mount (3) is supported on the casing (1) by big pivoting support (12).The revolution action of swivel mount relies on the big slewing gear (5) that is installed in the casing to drive, drive worm reduction gear (20) running by cycloidal planetary gear speed reducer (17), sprocket wheel (18), chain (19), the big revolution pinion (21) that is installed on the worm reduction gear output shaft (35) is meshed with the gear ring (33) of big pivoting support (12), thereby drives big pivoting support gear ring and do ± 360 ° of n revolutions with the swivel mount of gear ring Joint around big rotary middle spindle (26).The workbench (4) that is bearing on the swivel mount horizontal arm (8) relies on the little slewing gear (6) that is installed in the horizontal arm to drive, drive worm reduction gear (24) running by cycloidal planetary gear speed reducer (22), yielding coupling (23), the little revolution pinion (25) that is installed on the worm reduction gear output shaft (36) is meshed with the gear ring (34) of little pivoting support (13), thereby drives little pivoting support gear ring and do ± 360 ° of n revolutions with the workbench of gear ring Joint around little rotary middle spindle (27).The large and small gyration of positioner is by control panel (31) and the manual control that can generally move away from the remote control control box (32) of casing or the programme-control of compulsory exercise of casing side.For handling safety, this two covers control device is interlocking, and is when using a cover control device, another set of inoperative.On the size rotary middle spindle, the collector ring (28) of transmission welding current is housed all, makes powerful welding current unlikely, avoid equipment impaired by driving parts.
This L type positioner, single support structure and pivoting support have been adopted, compact conformation, opening character is good, and member is installed conveniently, the welding operation is highly suitable, on upright arm top and all placed balance weight (30,29) in the bottom of casing, moment of torsion in the time of can reducing the swivel mount revolution and the tilting moment in the operation process, strengthen the stability of equipment, be applicable to various types of complex component welding.
Claims (10)
1, a kind of complete pair of swinging positioner, form by the big slewing gear of casing, swivel mount, workbench and control swivel mount and work table rotation, little slewing gear and electric-control system, it is characterized in that: said swivel mount (3) is a cavity member, form by horizontal arm and upright arm, upright arm links by big pivoting support (12) and casing, and workbench (4) links by little pivoting support (13) and swivel mount horizontal arm.
2, by the described positioner of claim 1, it is characterized in that: said swivel mount (3) is a U type cavity member, by a horizontal arm (8) and two upright arms (10,11) form, wherein initiatively upright arm (10) links by big pivoting support (12) and first casing (1), driven upright arm (11) links by driven shaft (14) and boot body (2), and workbench (4) links by little pivoting support (13) and swivel mount horizontal arm (8).
3, by the described positioner of claim 1, it is characterized in that: said swivel mount (3) is a C type cavity member, by a upright arm (10) and two horizontal arms (8,9) form, upright arm (10) links by big pivoting support (12) and casing (1), workbench (4) links by the active horizontal arm (8) of little pivoting support (13) with swivel mount (3), and supporting station (16) links by driven shaft (15) and driven horizontal arm (9), places balance weight (29) at lower box.
4, by the described positioner of claim 1, it is characterized in that: said swivel mount (3) is a L type cavity member, form by a upright arm (10) and a horizontal arm (8), upright arm (10) links by big pivoting support (12) and casing (1), workbench (4) links by the horizontal arm (8) of little pivoting support (13) with swivel mount (3), place balance weight (29,30) respectively at lower box and upright arm top.
5, by claim 1,2,3 or 4 described positioners, it is characterized in that: said big slewing gear (5) is installed in the casing (1), by cycloidal planetary gear speed reducer (17), sprocket wheel (18), chain (19), worm reduction gear (20), turn round pinion (21) greatly and form, big revolution pinion (21) is installed on the output shaft (35) of worm reduction gear (20), and be meshed with the gear ring (33) of big pivoting support (12), gear ring (33) is affixed with upright arm (10).
6, by claim 1,2,3 or 4 described positioners, it is characterized in that: said little slewing gear (6) is installed in the horizontal arm (8), form by cycloidal planetary gear speed reducer (22), yielding coupling (23), worm reduction gear (24), little revolution pinion (25), little revolution pinion (25) is installed on the output shaft (36) of worm reduction gear (24), and be meshed gear ring (34) and the workbench Joint that is bearing on the horizontal arm (8) with the gear ring (34) of little pivoting support (13).
7, by the described positioner of claim 5, it is characterized in that: said little slewing gear (6) is installed in the horizontal arm (8), form by cycloidal planetary gear speed reducer (22), yielding coupling (23), worm reduction gear (24), little revolution pinion (25), little revolution pinion (25) is installed on the output shaft (36) of worm reduction gear (24), and be meshed with the gear ring (34) of little pivoting support (13), gear ring (34) is affixed with horizontal arm (8).
8, by claim 1,2,3 or 4 described positioners, it is characterized in that: said electric-control system (7) adopts program control device, be installed in the casing (1), control device comprises control panel (31) and the hand-held remote control control box (32) that is installed in casing (1) side surface, on big rotary middle spindle (26) and little rotary middle spindle (27) welding current collector ring (28) is installed all.
9, by the described positioner of claim 5, it is characterized in that: said electric-control system (7) adopts program control device, be installed in the casing (1), control device comprises control panel (31) and the hand-held remote control control box (32) that is installed in casing (1) side surface, on big rotary middle spindle (26) and little rotary middle spindle (27) welding current collector ring (28) is installed all.
10, by the described positioner of claim 7, it is characterized in that, said electric-control system (7) adopts program control device, be installed in the casing (1), control device comprises control panel (31) and the hand-held remote control control box (32) that is installed in casing (1) side surface, on big rotary middle spindle (26) and little rotary middle spindle (27) welding current collector ring (28) is installed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221477 CN2303703Y (en) | 1997-07-22 | 1997-07-22 | Fully double-revolving type welding position-changing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97221477 CN2303703Y (en) | 1997-07-22 | 1997-07-22 | Fully double-revolving type welding position-changing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2303703Y true CN2303703Y (en) | 1999-01-13 |
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ID=33936868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97221477 Expired - Fee Related CN2303703Y (en) | 1997-07-22 | 1997-07-22 | Fully double-revolving type welding position-changing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2303703Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009311A (en) * | 2010-05-31 | 2011-04-13 | 无锡恒富科技有限公司 | Rotation mechanism of welding positioner |
| CN102009312A (en) * | 2010-05-31 | 2011-04-13 | 无锡恒富科技有限公司 | Dumping mechanism of welding positioner |
| CN101733595B (en) * | 2009-11-27 | 2012-02-29 | 唐山开元机器人系统有限公司 | Turntable robot welding system |
| CN101579794B (en) * | 2009-06-24 | 2012-05-30 | 合肥明双机械科技有限公司 | Displacement device |
| CN102672407A (en) * | 2012-05-24 | 2012-09-19 | 淮南矿业(集团)有限责任公司 | Welding assisting device |
| CN102699612A (en) * | 2012-06-11 | 2012-10-03 | 徐州华恒机器人系统有限公司 | Precision five-axis double-station position changing machine |
| CN103028870A (en) * | 2012-12-11 | 2013-04-10 | 南京熊猫电子股份有限公司 | Welding robot system |
| CN103056584A (en) * | 2013-01-10 | 2013-04-24 | 成都环龙智能系统设备有限公司 | Positioner with torsion adjusting device |
| CN103659134A (en) * | 2013-12-04 | 2014-03-26 | 张家港市新亨通机械制造有限公司 | Special position changing device for welding crawler crane structural components |
| CN104057239A (en) * | 2012-02-13 | 2014-09-24 | 昆山华恒焊接股份有限公司 | Automatic welding positioner |
| CN106378568A (en) * | 2016-11-08 | 2017-02-08 | 芜湖市元山机械制造有限公司 | Anti-deformation welding device of beam welding subassembly |
| CN108000042A (en) * | 2018-01-11 | 2018-05-08 | 南通四方冷链装备股份有限公司 | A kind of universal evaporator fin turnover device |
| CN108406180A (en) * | 2018-04-24 | 2018-08-17 | 南京淳泰控制设备有限公司 | A kind of rack holder assembly of end cap welding equipment |
| CN112025195A (en) * | 2020-09-17 | 2020-12-04 | 南京合信智能装备有限公司 | Circular biax machine of shifting |
| CN112355442A (en) * | 2020-10-09 | 2021-02-12 | 中车唐山机车车辆有限公司 | Welding system and method |
| CN115365751A (en) * | 2022-08-08 | 2022-11-22 | 上海东蒙重工科技有限公司 | Welding tool and welding method for cone crusher frame |
-
1997
- 1997-07-22 CN CN 97221477 patent/CN2303703Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579794B (en) * | 2009-06-24 | 2012-05-30 | 合肥明双机械科技有限公司 | Displacement device |
| CN101733595B (en) * | 2009-11-27 | 2012-02-29 | 唐山开元机器人系统有限公司 | Turntable robot welding system |
| CN102009312A (en) * | 2010-05-31 | 2011-04-13 | 无锡恒富科技有限公司 | Dumping mechanism of welding positioner |
| CN102009311A (en) * | 2010-05-31 | 2011-04-13 | 无锡恒富科技有限公司 | Rotation mechanism of welding positioner |
| CN104057239A (en) * | 2012-02-13 | 2014-09-24 | 昆山华恒焊接股份有限公司 | Automatic welding positioner |
| CN102672407A (en) * | 2012-05-24 | 2012-09-19 | 淮南矿业(集团)有限责任公司 | Welding assisting device |
| CN102699612B (en) * | 2012-06-11 | 2015-07-15 | 徐州华恒机器人系统有限公司 | Precision five-axis double-station position changing machine |
| CN102699612A (en) * | 2012-06-11 | 2012-10-03 | 徐州华恒机器人系统有限公司 | Precision five-axis double-station position changing machine |
| CN103028870A (en) * | 2012-12-11 | 2013-04-10 | 南京熊猫电子股份有限公司 | Welding robot system |
| CN103056584A (en) * | 2013-01-10 | 2013-04-24 | 成都环龙智能系统设备有限公司 | Positioner with torsion adjusting device |
| CN103056584B (en) * | 2013-01-10 | 2015-02-11 | 成都环龙智能系统设备有限公司 | Positioner with torsion adjusting device |
| CN103659134A (en) * | 2013-12-04 | 2014-03-26 | 张家港市新亨通机械制造有限公司 | Special position changing device for welding crawler crane structural components |
| CN106378568A (en) * | 2016-11-08 | 2017-02-08 | 芜湖市元山机械制造有限公司 | Anti-deformation welding device of beam welding subassembly |
| CN108000042A (en) * | 2018-01-11 | 2018-05-08 | 南通四方冷链装备股份有限公司 | A kind of universal evaporator fin turnover device |
| CN108406180A (en) * | 2018-04-24 | 2018-08-17 | 南京淳泰控制设备有限公司 | A kind of rack holder assembly of end cap welding equipment |
| CN112025195A (en) * | 2020-09-17 | 2020-12-04 | 南京合信智能装备有限公司 | Circular biax machine of shifting |
| CN112025195B (en) * | 2020-09-17 | 2021-04-16 | 南京合信智能装备有限公司 | Circular biax machine of shifting |
| CN112355442A (en) * | 2020-10-09 | 2021-02-12 | 中车唐山机车车辆有限公司 | Welding system and method |
| CN115365751A (en) * | 2022-08-08 | 2022-11-22 | 上海东蒙重工科技有限公司 | Welding tool and welding method for cone crusher frame |
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