CN108890192A - A kind of multi-angle bonding machine for welded thin-walled steel tubes - Google Patents

A kind of multi-angle bonding machine for welded thin-walled steel tubes Download PDF

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Publication number
CN108890192A
CN108890192A CN201810953492.4A CN201810953492A CN108890192A CN 108890192 A CN108890192 A CN 108890192A CN 201810953492 A CN201810953492 A CN 201810953492A CN 108890192 A CN108890192 A CN 108890192A
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CN
China
Prior art keywords
welding
support
push
shaft
servo motor
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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.)
Pending
Application number
CN201810953492.4A
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Chinese (zh)
Inventor
曾来运
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Feng You High End Equipment Manufacturing Co Ltd
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Hubei Feng You High End Equipment Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hubei Feng You High End Equipment Manufacturing Co Ltd filed Critical Hubei Feng You High End Equipment Manufacturing Co Ltd
Priority to CN201810953492.4A priority Critical patent/CN108890192A/en
Publication of CN108890192A publication Critical patent/CN108890192A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02Carriages for supporting the welding or cutting element
    • B23K37/0252Steering means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0531Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps

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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 present invention relates to a kind of multi-angle bonding machine for welded thin-walled steel tubes, including workbench and the welding mechanism being installed on the workbench, the welding mechanism includes welding support and the welding gun that is mounted on welding support;It is characterized in that:The welding support includes cross slid platform mould group, connecting plate, the second servo motor and L-type rotating arm, and the cross slid platform mould group is installed on the workbench;One end of the connecting plate is mounted in cross slid platform mould group, and the other end is equipped with the second servo motor;One end of the L-type rotating arm is mounted on the output shaft of the second servo motor, and the other end is equipped with the welding gun fixture for installing welding gun.The bonding machine is used for the automatic welding at steel pipe oblique angle, can accurately hold soldering angle and welding quality.

Description

A kind of multi-angle bonding machine for welded thin-walled steel tubes
Technical field
The invention belongs to thin-wall pipes welding processing technical fields, and in particular to a kind of for the polygonal of welded thin-walled steel tubes Spend bonding machine.
Background technique
The molding butt welding of thin-wall stainless steel tubing currently on the market is mainly manually completed, and there are low efficiencys Under, the insecure problem of quality.In view of the above-mentioned problems, our company develop a kind of tensioning device for automatic pipe welder and its Automatic pipe welder (application number 201711271107X), it is described the invention provides a kind of automatic pipe welder, including transmission mechanism Transmission mechanism includes interior shaft and outer shaft, further includes the tensioning device for automatic pipe welder, the interior shaft End connects cone-shaped ejecting block, and the conical surface body of cone-shaped ejecting block is slidably mounted in expansion sleeve, and the locating platform is connect with outer shaft, The outer shaft is connected with motor by belt, and the interior shaft connects drawing cylinder by bearing holder (housing, cover).The welded tube mill preliminary generation It has replaced manually, has met the automatic weld of thin-wall steel tube.And a kind of tensioning device for automatic pipe welder is additionally provided, The tensioning device successively includes cone-shaped ejecting block, expansion sleeve and locating platform from front to back;The middle part of the cone-shaped ejecting block is equipped with The shaft clip matched with interior shaft, the rear end of the cone-shaped ejecting block are conical surface body;The expansion sleeve includes that several arcs rise block, Several arcs block that rises is linked together by adjustable spring and forms expansion sleeve;The inner wall of expansion sleeve include from front to back with The wedge surface of conical surface mates and the cylindrical surface being connected with outer shaft;The rear end face of the expansion sleeve connects with locating platform Touching.It can be realized by tensioning device to the automatic shaping of pipe fitting, prevented seam deformation, improved the welding efficiency of pipe fitting, be protected The quality of welding is demonstrate,proved.But my company finds that the welded tube mill function is too simple later, welding process still will be carried out manually, Influence whole welding quality;When especially relating to bevel welding, soldering angle is even more to be difficult to hold.Bevel welding refers to two Straight steel pipe welds together at an angle, and the welding ends of two steel pipes must be cut into the inclined-plane of a fixed inclination when welding, The inclined-plane of two steel pipes is mutually butted, and is being welded.If two straight steel pipes are in 90 ° of angle welding, one two steel pipes is first had to The inclined-plane of angle at 45 ° is cut at end, is stitched together by two inclined-planes, is finally welded again.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of multi-angle welding for welded thin-walled steel tubes Machine, the bonding machine are used for the automatic welding at steel pipe oblique angle, can accurately hold soldering angle and welding quality.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of multi-angle bonding machine for welded thin-walled steel tubes, including workbench and the bonding machine being installed on the workbench Structure, the welding mechanism include welding support and the welding gun that is mounted on welding support;It is characterized in that:The welding support packet Cross slid platform mould group, connecting plate, the second servo motor and L-type rotating arm are included, the cross slid platform mould group is installed on the workbench; One end of the connecting plate is mounted in cross slid platform mould group, and the other end is equipped with the second servo motor;The L-type rotating arm One end is mounted on the output shaft of the second servo motor, and the other end is equipped with the welding gun fixture for installing welding gun.
The bonding machine further includes rotating sliding component and wire feeder;The rotating sliding component includes rotary shaft, push-and-pull Axis, the first support, tensioning device, first servo motor and push-and-pull component, first support are fixedly mounted on the table;Institute Stating rotary shaft is hollow shaft, and the push-pull shaft is inserted in rotary shaft, and the front end of the push-pull shaft is equipped with tensioning device, the push-and-pull The rear end of axis is connect with push-and-pull component by thrust bearing, and the push-and-pull component is for driving push-pull shaft axially to transport in rotary shaft It is dynamic;The rotary shaft is mounted on the first support by bearing, and the first servo motor is also fixedly mounted on the table, institute It states first servo motor and passes through pulley assembly and rotation axis connection;The rotary shaft includes main rotating shaft and time rotary shaft, institute It states main rotating shaft to be mounted on the first support by bearing, the first servo motor is connected by pulley assembly and main rotating shaft It connects;By flanged joint between the secondary rotary shaft and main rotating shaft, the front end of the secondary rotary shaft is contacted with tensioning device;Institute Stating push-and-pull component includes the first support and push cylinder, and the push cylinder is fixedly mounted on the first support, and described first Seat is fixedly mounted on the table, is connected between the push-pull shaft and thrust bearing of the push cylinder by floating junction;
The wire feeder includes third support, welding wire rolling wheel, wire-feed motor and wire feed rifle;The third support is mounted on work Make on platform, the welding wire rolling wheel and wire-feed motor are mounted on third support, and the wire feed rifle is fixedly mounted by wire feed rifle fixture On L-type rotating arm;Welding wire on the welding wire rolling wheel is transported on wire feed rifle by wire-feed motor.
Limiting device is additionally provided on first support, the limiting device includes hand wheel component, driving gear, driven tooth Wheel, limit lantern ring and external screw thread lantern ring;The hand wheel component is fixedly mounted on the first support, and the hand wheel component is equipped with master Moving gear;The limit lantern ring and external screw thread lantern ring cover on the push-pull shaft of push cylinder, the fixed peace of the external screw thread lantern ring On the first support, the limit lantern ring is fixedly connected with floating junction;The driven gear is circular ring shape, is internally provided with Internal screw thread, and connection is matched with external screw thread lantern ring, the driven gear is for resisting limit lantern ring;The driving gear with from The mutually ratcheting connection of moving gear.
The bonding machine further includes PLC controller, the PLC controller and cross slid platform mould group, the second servo motor, first Servo motor, wire-feed motor are connected with push cylinder.
Beneficial effects of the present invention are:
1, the present invention is used for the automatic welding at steel pipe oblique angle, can accurately hold soldering angle and welding quality.
2, the rotary shaft in the present invention is two-part structure, wherein secondary rotary shaft can be convenient replacement, and can basis The steel pipe workpieces of different length select secondary rotary shaft of corresponding length, increase versatility.
3, it is connected between the push-pull shaft and thrust bearing of push cylinder by floating junction in the present invention, it is easy to disassemble, and And error can be eliminated, guard block and equipment is made to run smoothly, extends service life of equipment.
4, the present invention has also set limiting device, for limiting and adjusting push cylinder stroke, to be applicable in more diameter rule The steel pipe workpieces of lattice.
5, the invention also includes wire feeders, send welding wire when for welding, cooperate the control of PLC controller so that welding Even weld, welding quality are high.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention.
Fig. 2 is sectional perspective schematic diagram of the invention.
Fig. 3 is the stereoscopic schematic diagram of rotating sliding component in the present invention.
Fig. 4 is the stereoscopic schematic diagram that component (assembling including limit) is pushed and pulled in the present invention.
Fig. 5 is the dismantling schematic diagram that component is pushed and pulled in the present invention.
Fig. 6 is the stereoscopic schematic diagram of welding mechanism in the present invention.
Fig. 7 is the stereoscopic schematic diagram when present invention uses.
In figure:
1, workbench;
2, rotating sliding component, 201, rotary shaft, 202, push-pull shaft, the 203, first support, 204, tensioning device, 205, One servo motor, 206, push-and-pull component, 207, main rotating shaft, 208, secondary rotary shaft, 209, pulley assembly, 210, push-and-pull oil Cylinder, 211, thrust bearing, 212, floating junction, the 213, second support, 214, hand wheel component, 215, driving gear, 216, driven Gear, 217, limit lantern ring, 218, external screw thread lantern ring;
3, welding mechanism, 301, horizontal linear mould group, 302, vertical straight line mould group, 303, connecting plate, the 304, second servo Motor, 305, L-type rotating arm, 306, welding gun fixture, 307, welding gun, 308, wire feed rifle, 309, wire feed rifle fixture;
4, wire feeder, 401, third support, 402, welding wire rolling wheel, 403, wire-feed motor;
5, steel pipe workpieces.
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing Illustrate (as shown in figs. 1-7).
A kind of multi-angle bonding machine for welded thin-walled steel tubes, including workbench 1 and the welding being mounted on workbench 1 Mechanism 3, the welding mechanism 3 include welding support and the welding gun 307 being mounted on welding support;The welding support includes ten Word slide unit mould group (is made of, wherein vertical straight line mould group 302 is fixedly mounted horizontal linear mould group 301 and vertical straight line mould group 302 On workbench 1, horizontal linear mould group 301 is fixedly connected with version 303 is connect), connecting plate 303, the second servo motor 304 and L Type rotating arm 305, the cross slid platform mould group are mounted on workbench 1;One end of the connecting plate 303 is mounted on cross slid platform In mould group, the other end is equipped with the second servo motor 304;One end of the L-type rotating arm 305 is mounted on the second servo motor On 304 output shaft, the other end is equipped with the welding gun fixture 306 for installing welding gun 307, and (the cross slid platform mould group is used in water Gentle vertical direction adjusts welding gun 307, and second servo motor 304 is used to adjust the angle of welding gun 307).
The bonding machine further includes rotating sliding component 2, the rotating sliding component 2 include rotary shaft 201, push-pull shaft 202, First support 203, tensioning device 204, first servo motor 205 and push-and-pull component 206, first support 203 are fixedly mounted On workbench 1;The rotary shaft 201 is hollow shaft, and the push-pull shaft 202 is inserted in rotary shaft 201, the push-pull shaft 202 Front end be equipped with tensioning device 204, the rear end of the push-pull shaft 202 passes through thrust bearing 211 with push-and-pull component 206 and connect, institute Push-and-pull component 206 is stated for driving push-pull shaft 202 to be axially moved in rotary shaft 201;The rotary shaft 201 is installed by bearing On the first support 203 (tensioning device 204 becomes larger to fix steel pipe by the extruding of rotary shaft 201 and push-pull shaft 202, Position is corresponding with welding gun 307), the first servo motor 205 is also fixedly mounted on workbench 1, the first servo motor 205 are connect by pulley assembly 209 with rotary shaft 201.
The rotary shaft 201 includes main rotating shaft 207 and time rotary shaft 208, and the main rotating shaft 207 is installed by bearing On the first support 203, the first servo motor 205 is connect by pulley assembly 209 with main rotating shaft 207;Described time By flanged joint between rotary shaft 208 and main rotating shaft 207, the front end of the secondary rotary shaft 208 connects with tensioning device 204 Touching.
The push-and-pull component 206 includes the first support 203 and push cylinder 210, and the push cylinder 210 is fixedly mounted on On first support 203, first support 203 is fixedly mounted on workbench 1, the push-pull shaft of the push cylinder 210 with push away Power bearing 211 connects.
It is connected between the push-pull shaft and thrust bearing 211 of the push cylinder 210 by floating junction 212.
Limiting device is additionally provided on first support 203, the limiting device includes hand wheel component 214, driving gear 215, driven gear 216, limit lantern ring 217 and external screw thread lantern ring 218;The hand wheel component 214 is fixedly mounted on the first support On 203, the hand wheel component 214 is equipped with driving gear 215;The limit lantern ring 217 and external screw thread lantern ring 218 are covered and are being pushed away On the push-pull shaft for drawing oil cylinder 210, the external screw thread lantern ring 218 is fixedly mounted on the first support 203, the limit lantern ring 217 It is fixedly connected with floating junction 212;The driven gear 216 is circular ring shape, is internally provided with internal screw thread, and and external thread sleeve The matching connection of ring 218, the driven gear 216 are used to resist limit lantern ring 217 and (play limitation 210 stroke of push cylinder Effect);The driving gear 215 and the mutually ratcheting connection of driven gear 216.
The bonding machine further includes wire feeder 4, and the wire feeder 4 includes third support 401, welding wire rolling wheel 402, wire feed Machine 403 and wire feed rifle 308;The third support 401 is mounted on workbench 1, and the welding wire rolling wheel 402 and wire-feed motor 403 are pacified On third support 401, the wire feed rifle 308 is fixedly mounted on L-type rotating arm 305 by wire feed rifle fixture 309;It is described Welding wire on welding wire rolling wheel 402 is transported on wire feed rifle 308 by wire-feed motor 403.
The bonding machine further includes PLC controller, the PLC controller and cross slid platform mould group, the second servo motor 304, First servo motor 205, wire-feed motor 403 and push cylinder 210 connect (and controlling it).
The application method and principle of the bonding machine:
1, two steel pipe workpieces 5 to be welded are first carried out spot welding to fix, then by 5 sets of steel pipe workpieces in tensioning device 204 On, and it is fixed;It will completely be welded by welding mechanism 3 again.
2, cross slid platform mould group is used to adjust the horizontal and vertical position of welding gun 307, the second servo motor in welding mechanism 3 304 for adjusting the soldering angle of welding gun 307;The rotation that steel pipe workpieces 5 are driven by rotation rotary shaft 201, is finally completed The welding of entire oblique angle circumferential weld.
3, different programs is formulated to PLC controller according to the steel pipe workpieces of different-diameter 5, with coordinated control cross slid platform Mould group, the second servo motor 304, first servo motor 205, wire-feed motor 403 and 210 cooperating of push cylinder complete welding.
4, driving gear 215 is driven to rotate by rotation hand wheel component 214, so that driven gear 216 is driven to rotate, from The rotation of moving gear 216 can be axially moveable on outer thread ring 218;When driven gear 216 moves forward, with limit sleeve Spacing between ring 217 becomes smaller, and (driven gear 216 can resist limit lantern ring 217, be recovered to the push-pull shaft of push cylinder 210 A certain amount of is that just stopped), the stroke of push cylinder 210 becomes smaller, and the amount of becoming larger (referring to diameter) of tensioning device 204 is small, is suitble to The steel pipe workpieces 5 of minor diameter;When driven gear 216 moves backward, the spacing between limit lantern ring 217 becomes larger, and pushes and pulls The stroke of oil cylinder 210 becomes larger, and the amount of becoming larger (referring to diameter) of tensioning device 204 greatly, is suitble to the steel pipe workpieces 5 of major diameter.
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.

Claims (4)

1. a kind of multi-angle bonding machine for welded thin-walled steel tubes, including workbench (1) and the weldering being mounted on workbench (1) Connection mechanism (3), the welding mechanism (3) include welding support and the welding gun (307) that is mounted on welding support;Its feature exists In:The welding support includes cross slid platform mould group, connecting plate (303), the second servo motor (304) and L-type rotating arm (305), the cross slid platform mould group is mounted on workbench (1);One end of the connecting plate (303) is mounted on cross slid platform mould In group, the other end is equipped with the second servo motor (304);One end of the L-type rotating arm (305) is mounted on the second servo motor (304) on output shaft, the other end is equipped with the welding gun fixture (306) for installing welding gun (307).
2. a kind of multi-angle bonding machine for welded thin-walled steel tubes according to claim 1, it is characterised in that:The welding Machine further includes rotating sliding component (2) and wire feeder (4);
The rotating sliding component (2) includes rotary shaft (201), push-pull shaft (202), the first support (203), tensioning device (204), first servo motor (205) and push-and-pull component (206), first support (203) are fixedly mounted on workbench (1) On;The rotary shaft (201) is hollow shaft, and the push-pull shaft (202) is inserted in rotary shaft (201), the push-pull shaft (202) Front end is equipped with tensioning device (204), and the rear end of the push-pull shaft (202) and push-and-pull component (206) are connected by thrust bearing (211) It connects, the push-and-pull component (206) is for driving push-pull shaft (202) to be axially moved in rotary shaft (201);The rotary shaft (201) it is mounted on the first support (203) by bearing, the first servo motor (205) is also fixedly mounted on workbench (1) On, the first servo motor (205) is connect by pulley assembly (209) with rotary shaft (201);The rotary shaft (201) Including main rotating shaft (207) and time rotary shaft (208), the main rotating shaft (207) is mounted on the first support (203) by bearing On, the first servo motor (205) is connect by pulley assembly (209) with main rotating shaft (207);The secondary rotary shaft (208) by flanged joint between main rotating shaft (207), the front end of the secondary rotary shaft (208) connects with tensioning device (204) Touching;The push-and-pull component (206) includes the first support (203) and push cylinder (210), the fixed peace of the push cylinder (210) On the first support (203), first support (203) is fixedly mounted on workbench (1), the push cylinder (210) Push-pull shaft and thrust bearing (211) between connect by floating junction (212);
The wire feeder (4) includes third support (401), welding wire rolling wheel (402), wire-feed motor (403) and wire feed rifle (308); The third support (401) is mounted on workbench (1), and the welding wire rolling wheel (402) and wire-feed motor (403) are mounted on third branch On seat (401), the wire feed rifle (308) is fixedly mounted on L-type rotating arm (305) by wire feed rifle fixture (309);The weldering Welding wire on silk rolling wheel (402) is transported on wire feed rifle (308) by wire-feed motor (403).
3. a kind of multi-angle bonding machine for welded thin-walled steel tubes according to claim 2, it is characterised in that:Described It is additionally provided with limiting device on one support (203), the limiting device includes hand wheel component (214), driving gear (215), driven Gear (216), limit lantern ring (217) and external screw thread lantern ring (218);The hand wheel component (214) is fixedly mounted on the first support (203) on, the hand wheel component (214) is equipped with driving gear (215);The limit lantern ring (217) and external screw thread lantern ring (218) it covers on the push-pull shaft of push cylinder (210), the external screw thread lantern ring (218) is fixedly mounted on the first support (203) On, the limit lantern ring (217) is fixedly connected with floating junction (212);The driven gear (216) is circular ring shape, inside Equipped with internal screw thread, and connection is matched with external screw thread lantern ring (218), the driven gear (216) is for resisting limit lantern ring (217);The driving gear (215) and driven gear (216) mutually ratcheting connection.
4. a kind of multi-angle bonding machine for welded thin-walled steel tubes according to claim 3, it is characterised in that:The welding Machine further includes PLC controller, the PLC controller and cross slid platform mould group, the second servo motor (304), first servo motor (205), wire-feed motor (403) and push cylinder (210) connection.
CN201810953492.4A 2018-08-21 2018-08-21 A kind of multi-angle bonding machine for welded thin-walled steel tubes Pending CN108890192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810953492.4A CN108890192A (en) 2018-08-21 2018-08-21 A kind of multi-angle bonding machine for welded thin-walled steel tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810953492.4A CN108890192A (en) 2018-08-21 2018-08-21 A kind of multi-angle bonding machine for welded thin-walled steel tubes

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CN108890192A true CN108890192A (en) 2018-11-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515889A (en) * 2022-03-22 2022-05-20 南昌航空大学 Welding device and method for rotary argon arc welding of small-caliber thin-wall bent pipe

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Publication number Priority date Publication date Assignee Title
CN200998832Y (en) * 2007-01-29 2008-01-02 宋宝安 Pipe intersecting line cutter
CN201195226Y (en) * 2008-05-08 2009-02-18 深圳市瑞凌实业有限公司 Welding gun clamp apparatus capable of adjusting soldering supplying angle and position
CN102485383A (en) * 2010-12-04 2012-06-06 江苏飞船股份有限公司 Lathe tailstock capable of presetting round trip
CN106041245A (en) * 2016-08-04 2016-10-26 无锡尊宝电动车有限公司 Fan casing soldering machine capable of removing dust
CN206302282U (en) * 2016-11-16 2017-07-04 浙江佳雪微特电机集团有限责任公司 Curtain stretches toothed gearing electric motor automatically
CN107252953A (en) * 2017-07-20 2017-10-17 襄阳顺特阳光科技有限公司 A kind of stainless steel automatic pipe welder
CN206916658U (en) * 2017-05-05 2018-01-23 潘民 A kind of intelligent highway height-limiting frame

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200998832Y (en) * 2007-01-29 2008-01-02 宋宝安 Pipe intersecting line cutter
CN201195226Y (en) * 2008-05-08 2009-02-18 深圳市瑞凌实业有限公司 Welding gun clamp apparatus capable of adjusting soldering supplying angle and position
CN102485383A (en) * 2010-12-04 2012-06-06 江苏飞船股份有限公司 Lathe tailstock capable of presetting round trip
CN106041245A (en) * 2016-08-04 2016-10-26 无锡尊宝电动车有限公司 Fan casing soldering machine capable of removing dust
CN206302282U (en) * 2016-11-16 2017-07-04 浙江佳雪微特电机集团有限责任公司 Curtain stretches toothed gearing electric motor automatically
CN206916658U (en) * 2017-05-05 2018-01-23 潘民 A kind of intelligent highway height-limiting frame
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114515889A (en) * 2022-03-22 2022-05-20 南昌航空大学 Welding device and method for rotary argon arc welding of small-caliber thin-wall bent pipe

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Application publication date: 20181127