CN111331850B - Automatic plastic pipe welding device - Google Patents

Automatic plastic pipe welding device Download PDF

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Publication number
CN111331850B
CN111331850B CN202010208813.5A CN202010208813A CN111331850B CN 111331850 B CN111331850 B CN 111331850B CN 202010208813 A CN202010208813 A CN 202010208813A CN 111331850 B CN111331850 B CN 111331850B
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CN
China
Prior art keywords
pipe
flange
rod
rack
rotating
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Application number
CN202010208813.5A
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Chinese (zh)
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CN111331850A (en
Inventor
粟阳
张伟军
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.)
Chongqing Jinshan Yangsheng Pipeline Co ltd
Original Assignee
Chongqing Jinshan Yangsheng Pipeline 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.)
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Publication date
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Priority to CN202010208813.5A priority Critical patent/CN111331850B/en
Publication of CN111331850A publication Critical patent/CN111331850A/en
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Publication of CN111331850B publication Critical patent/CN111331850B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7802Positioning the parts to be joined, e.g. aligning, indexing or centring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7879Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path
    • B29C65/7882Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined said parts to be joined moving in a closed path, e.g. a rectangular path said parts to be joined moving in a circular path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/22Tubes or pipes, i.e. rigid

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to the field of pipe welding, in particular to a device for automatically welding plastic pipes, which comprises a rack, a supporting rod, a clamping unit and a rotation promoting unit, wherein the clamping unit comprises two clamping blocks, the two clamping blocks are used for clamping the end parts of the pipes, the rotation promoting unit comprises a rotating roller which is rotatably arranged and is used for rotating the pipes, the supporting rod is vertically and slidably arranged on the rack, the supporting rod is positioned above the contact position of a connecting pipe and a flange, the lower end of the supporting rod is fixedly connected with a soldering iron, the soldering iron is used for processing limit resisting holes in the connecting pipe and the pipes, the limit resisting holes are used for assembling limit resisting blocks, and the limit resisting blocks can limit the deformation of the flange and the connecting pipe. When the technical scheme is adopted, the quality of the connected pipes is improved.

Description

Automatic plastic pipe welding device
Technical Field
The invention relates to the field of pipe welding, in particular to a device for automatically welding plastic pipes.
Background
The pipe of plastics need utilize the flange of connecting pipe and two plastics to connect pipe at the in-process of laying, and specific connected mode is with flange cover to the back on pipe, and the connecting pipe is inserted to the tip of pipe, makes the tip and the flange contact of connecting pipe, opens the connecting hole on the flange, and the bolt is inserted and is passed through nut locking behind the connecting hole of two flanges.
Before the flange is connected with a pipe, the flange and the outer pipe wall of the pipe need to be welded, the current welding mode is that a welder firstly performs spot welding around the outer pipe wall of the pipe, the pipe and the flange are partially welded, and then the flange and the pipe are completely welded. However, when a welder welds the bottom of the pipe, the welder needs to bend over or squat down to weld, the operation is inconvenient, and the welding quality of the bottom of the pipe is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a welding device which is beneficial to improving the quality of connected pipes.
In order to achieve the purpose, the technical scheme of the invention provides an automatic plastic pipe welding device which comprises a rack, a supporting rod, a clamping unit and a rotation promoting unit, wherein the clamping unit comprises two clamping blocks, the two clamping blocks are used for clamping the end part of a pipe, the rotation promoting unit comprises a rotating roller which is rotatably arranged and is used for rotating the pipe, the supporting rod is vertically arranged on the rack in a sliding mode and is positioned above the contact position of a connecting pipe and a flange, the lower end of the supporting rod is fixedly connected with a soldering iron, the soldering iron is used for machining limit resisting holes in the connecting pipe and the pipe, the limit resisting holes are used for assembling limit resisting blocks, and the limit resisting blocks can limit the deformation of the flange and the connecting pipe.
The technical effect of the scheme is as follows: the flange is sleeved on the pipe, the end part of the pipe is inserted into the connecting pipe, the end part of the connecting pipe is in contact with the flange, then the end part of the pipe is clamped by the clamping block, the pipe and the flange are driven to rotate in the rotating process of the rotating roller, a welder keeps the welding gun to directly weld the flange and the pipe at the same position, and the welding device is very convenient to use, and is uniform in welding and high in welding quality.
In addition, in the prior art, after the flanges are locked by bolts and pipes are laid, when the connecting positions of the pipes, namely the positions of the bolts and the connecting pipes are under pressure, the bolts and the connecting pipes have a tendency of bending deformation under the action of the pressure, the two flanges are pulled to be close to each other in the bending process of the bolts, so that the flanges are deformed, the welding positions of the flanges and the pipes are easily torn, and meanwhile, the connection compactness of the connecting pipes and the pipes is damaged in the bending process of the connecting pipes; when the pressure disappears, the bolt and the connecting pipe have the tendency of recovering deformation, and the process is repeated in such a way, so that the tearing degree of the welding position of the flange and the pipe is accelerated, and the destructiveness of the connection compactness of the connecting pipe and the pipe is increased; but through this scheme at flange and tubular product pivoted in-process, the bracing piece downstream drives the flatiron downstream, processing out on connecting pipe and tubular product supports the limit hole, simultaneously with flange and tubular product melting adhesion, will support the limit block assembly to supporting the use back of laying in the limit hole in follow-up, when bolt and connecting pipe receive pressure, the limit block that supports limit hole department can restrict flange and connecting pipe and take place deformation, thereby be favorable to improving the sealing performance that connecting pipe and tubular product are connected, and reduce the destructiveness of flange and tubular product welding position.
Furthermore, the soldering iron is L-shaped. The technical effect of the scheme is as follows: the volume is small, and the tube and the connecting tube are convenient to melt.
Furthermore, the soldering iron is convex. The technical effect of the scheme is as follows: the stability of the flange is improved, and the restraint on the connecting pipe is improved.
Further, the soldering iron is wedge-shaped. The technical effect of the scheme is as follows: the stability of the limit block can be improved.
Furthermore, the rotation promoting unit further comprises a support table, a screw rod, a nut and a connecting rod, the number of the rotating rollers is two, the two rotating rollers are connected through the connecting rod, the screw rod is connected with the support table in a sliding mode, the nut is connected with the screw rod in a threaded mode, the nut is located above the support table, a sleeve is fixed at the upper end of the screw rod, and the connecting rod is connected with the sleeve in a rotating mode. The technical effect of the scheme is as follows: the position of the rotating roller is convenient to adjust, and the welding work of the next pipe is convenient to carry out after the pipe is moved.
Furthermore, the clamping unit further comprises a detection rod, the detection rod is arranged on the rack, the diameter of the detection rod is smaller than that of the connecting hole of the flange, the detection rod is aligned with the connecting hole of the flange, and the clamping block is arranged on the detection rod in a sliding mode. The technical effect of the scheme is as follows: whether the connecting holes of each flange are in the same straight line or not is convenient to detect, and the flanges are convenient to lock through bolts subsequently.
Furthermore, the detection rod is detachably connected with the rack. The technical effect of the scheme is as follows: the pipe is convenient to take down from the detection rod.
Furthermore, the rotation promoting unit further comprises a speed reducing motor and a conveying belt, the speed reducing motor is fixedly installed on the rack, and an output shaft of the speed reducing motor is connected with the connecting rod through the conveying belt. The technical effect of the scheme is as follows: the pipe is beneficial to stably and slowly rotating.
Further, when the rotating roller is in contact with the outer side wall of the pipe, the speed reduction motor is located obliquely below the connecting rod. The technical effect of the scheme is as follows: the conveyor belt does not obstruct when adjusting the position of the rotating roller.
Furthermore, a welding gun for welding the flange and the pipe is arranged on the rack in a sliding mode. The technical effect of the scheme is as follows: the welding of the pipe and the flange is facilitated.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
FIG. 2 is a top view of the tubing, connecting tube, flange and an abutment hole of FIG. 1;
FIG. 3 is a top view of the tubing, connecting tube, flange and alternative access hole of FIG. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the welding device comprises a support rod 1, a clamping block 2, a detection rod 3, a pipe 4, a flange 5, a connecting pipe 6, a connecting hole 7, a conveying belt 8, a supporting table 9, a screw rod 10, a nut 11, a connecting rod 12, a rotating roller 13, a sleeve 14, an air cylinder 15, a soldering iron 16, a limiting hole 17 and a welding gun 18.
The first embodiment is as follows:
an embodiment substantially as shown in figure 1: the device for automatically welding the plastic pipe comprises a rack, a support rod 1, a clamping unit and a rotation promoting unit, wherein the clamping unit comprises two clamping blocks 2 and two detection rods 3, threaded holes are formed in the detection rods 3 and the rack, screws are in threaded connection with the threaded holes, and the detection rods 3 are detachably connected to the rack; the two clamping blocks 2 are provided with through holes, the detection rod 3 penetrates through the through holes and then is in sliding connection with the clamping blocks 2, and the two clamping blocks 2 are used for clamping the end parts of the pipes 4.
Wherein, two pipes 4 are sleeved with a flange 5, the end parts of the two pipes 4 are inserted into a connecting pipe 6, the end part of the connecting pipe 6 is contacted with the flange 5, and the flange 5 is provided with a connecting hole 7. The diameter of the sensing rod 3 is smaller than that of the coupling hole 7 of the flange 5, and the sensing rod 3 is aligned with the coupling hole 7 of the flange 5.
The rotation promoting unit comprises a speed reducing motor, a conveying belt 8, a supporting table 9, a screw rod 10, a nut 11, a connecting rod 12 and two rotating rollers 13, wherein the speed reducing motor is fixedly arranged on the rack through screws, and the type of the speed reducing motor can be selected according to requirements, such as the type of the speed reducing motor is D2BLD75/PLE 60.
The supporting table 9 is provided with a hole, the screw rod 10 penetrates through the hole and is in sliding connection with the supporting table 9, the nut 11 is in threaded connection with the screw rod 10, the nut 11 is located above the supporting table 9, the upper end of the screw rod 10 is welded with the sleeve 14, the connecting rod 12 is in rotating connection with the sleeve 14, the two rotating rollers 13 are welded through the connecting rod 12, and the output shaft of the speed reducing motor is connected with the connecting rod 12 through the conveying belt 8. Wherein the speed reduction motor is positioned obliquely below the rear side of the connecting rod 12 when the rotating roller 13 is in contact with the outer side wall of the pipe 4.
The support rod 1 is vertically arranged on the rack in a sliding mode, or the rack is fixedly provided with the air cylinder 15 through a screw, and the support rod 1 is welded with an output shaft of the air cylinder 15; the support rod 1 is positioned above the contact position of the connecting pipe 6 and the flange 5, the lower end of the support rod 1 is welded with a soldering iron 16, and the soldering iron 16 is in a wedge shape when being observed from the direction of figure 1; the soldering iron 16 is shown in fig. 1 as being "L" shaped in plan view, or the soldering iron 16 is shown as being "convex" in plan view.
The specific implementation process is as follows:
sleeving the flange 5 on the pipe 4, inserting the end part of the pipe 4 into the connecting pipe 6, enabling the end part of the connecting pipe 6 to be in contact with the flange 5, and then clamping the end part of the pipe 4 by using the clamping block 2; and then starting a speed reducing motor, wherein the speed reducing motor drives the connecting rod 12 to rotate through the conveying belt 8 so as to drive the rotating roller 13 to rotate, so that the pipe 4 and the flange 5 are driven to rotate through the rotating roller 13, and a welder keeps the welding gun 18 at the same position to directly weld the flange 5 and the pipe 4.
In the process of rotating the flange 5 and the pipe 4, the air cylinder 15 is manually pushed or started to push the support rod 1 to move downwards, so that the support rod 1 drives the soldering iron 16 to move downwards, a limit hole 17 shown in a figure 2 or a figure 3 is processed on the connecting pipe 6 and the pipe 4, and the flange 5 and the pipe 4 are favorably fused and adhered when the limit hole 17 is processed; after the limit hole 17 is processed, after a limit block with the same shape as the limit hole 17 is assembled into the limit hole 17 for laying, when the connecting pipe 6 and the bolt for connecting the two flanges 5 are stressed, the limit block at the limit hole 17 shown in fig. 2 and 3 can limit the relative deflection of the flange 5 shown in fig. 1, and prevent the welding position of the flange 5 and the pipe 4 from being torn; meanwhile, as shown in fig. 2 and 3, the abutting block at the abutting hole 17 can limit the concave deformation of the connecting pipe 6 towards the inner side of the pipe 4, so that the sealing degree of the connecting position of the connecting pipe 6 and the pipe 4 is improved.
The second embodiment:
on the basis of the first embodiment, a sliding groove is formed in the frame, a welding gun 18 for welding the flange 5 and the pipe 4 is arranged in the sliding groove in an inclined sliding manner, and the type of the welding gun 18 can be selected according to needs, for example, the selected type is H01-6.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (10)

1. Automatic welding plastics tubular product device, its characterized in that: including frame, bracing piece, clamping unit and favourable commentaries on classics unit, clamping unit includes two tight pieces of clamp, and two tight pieces of clamp are used for pressing from both sides the tip of tight tubular product, favourable commentaries on classics unit is including rotating the live-rollers that sets up, the live-rollers is used for rotating tubular product, the vertical slip of bracing piece sets up in the frame, and the bracing piece is located the top of connecting pipe and flange contact position, and the lower extreme fixedly connected with flatiron of bracing piece, the flatiron is used for processing on connecting pipe and tubular product and supports the limit hole, supports the limit hole and is used for assembling to support the limit piece, supports the limit piece and can restrict flange and connecting pipe deformation.
2. The apparatus for automatically welding plastic tubing of claim 1, wherein: the soldering iron is L-shaped.
3. The automatic plastic pipe welding device according to claim 1, wherein: the soldering iron is in a convex shape.
4. The apparatus for automatically welding plastic pipes according to any one of claims 2 or 3, wherein: the soldering iron is wedge-shaped.
5. The apparatus for automatically welding plastic tubing of claim 4, wherein: the rotation promoting unit further comprises a supporting table, a screw rod, a nut and a connecting rod, the number of the rotating rollers is two, the two rotating rollers are connected through the connecting rod, the screw rod is connected with the supporting table in a sliding mode, the nut is in threaded connection with the screw rod, the nut is located above the supporting table, a sleeve is fixed at the upper end of the screw rod, and the connecting rod is in rotating connection with the sleeve.
6. The apparatus for automatically welding plastic tubing of claim 5, wherein: the clamping unit further comprises a detection rod, the detection rod is arranged on the rack, the diameter of the detection rod is smaller than that of a connecting hole of the flange, the detection rod is aligned with the connecting hole of the flange, and the clamping block is arranged on the detection rod in a sliding mode.
7. The apparatus for automatically welding plastic tubing of claim 6, wherein: the detection rod is detachably connected with the rack.
8. The apparatus for automatically welding plastic tubing of claim 7, wherein: the rotation promoting unit further comprises a speed reducing motor and a conveying belt, the speed reducing motor is fixedly mounted on the rack, and an output shaft of the speed reducing motor is connected with the connecting rod through the conveying belt.
9. The apparatus for automatically welding plastic tubing of claim 8, wherein: when the rotating roller is in contact with the outer side wall of the pipe, the speed reducing motor is located obliquely below the connecting rod.
10. The apparatus for automatically welding plastic tubing of any one of claims 1 or 9, wherein: and a welding gun for welding the flange and the pipe is arranged on the rack in a sliding manner.
CN202010208813.5A 2020-03-23 2020-03-23 Automatic plastic pipe welding device Active CN111331850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010208813.5A CN111331850B (en) 2020-03-23 2020-03-23 Automatic plastic pipe welding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010208813.5A CN111331850B (en) 2020-03-23 2020-03-23 Automatic plastic pipe welding device

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CN111331850A CN111331850A (en) 2020-06-26
CN111331850B true CN111331850B (en) 2022-05-31

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112265275A (en) * 2020-10-30 2021-01-26 淄博俊康文具有限公司 Welding device capable of adapting to thickness of pipe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103372707A (en) * 2012-04-20 2013-10-30 中国石油天然气集团公司 Automatic butt welding equipment for bimetal composite pipes
CN108311774A (en) * 2018-04-03 2018-07-24 南京知行管业有限公司 A kind of weld device of anti-settling hose
CN110280919A (en) * 2019-06-17 2019-09-27 何艳 A kind of realization pipeline and the accurate welding method of flange

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202010820U (en) * 2011-01-26 2011-10-19 广东致顺化工环保设备有限公司 Equipment for cutting plastic composite tubing sample with steel mesh skeleton
CN202571650U (en) * 2012-04-27 2012-12-05 潍坊鑫昊木业有限公司 Automatic welding device of roller
KR20130123776A (en) * 2012-05-03 2013-11-13 현대중공업 주식회사 Automatic welding method about big pipe
CN105945504A (en) * 2016-06-29 2016-09-21 成都浩方机电有限责任公司 Fixing device for spin welding of pipe
KR101961300B1 (en) * 2017-08-16 2019-03-22 대화정공 주식회사 A torch moving type automatic flange welding device
CN207681848U (en) * 2018-01-05 2018-08-03 焦作山久管业有限责任公司 A kind of steel pipe flange disk welding tourelle
CN208929418U (en) * 2018-08-31 2019-06-04 合肥尚真真空技术有限公司 A kind of flange connecting pipe welder
CN110315275A (en) * 2019-08-08 2019-10-11 天津鑫亨工贸有限责任公司 A kind of heat radiating tube of heat radiator welder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103372707A (en) * 2012-04-20 2013-10-30 中国石油天然气集团公司 Automatic butt welding equipment for bimetal composite pipes
CN108311774A (en) * 2018-04-03 2018-07-24 南京知行管业有限公司 A kind of weld device of anti-settling hose
CN110280919A (en) * 2019-06-17 2019-09-27 何艳 A kind of realization pipeline and the accurate welding method of flange

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