CN103341704A - Steel-plastic composite pipe welding device allowing weft wire disc replacement without halt and weft wire disc replacement method - Google Patents
Steel-plastic composite pipe welding device allowing weft wire disc replacement without halt and weft wire disc replacement method Download PDFInfo
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- CN103341704A CN103341704A CN2013102237430A CN201310223743A CN103341704A CN 103341704 A CN103341704 A CN 103341704A CN 2013102237430 A CN2013102237430 A CN 2013102237430A CN 201310223743 A CN201310223743 A CN 201310223743A CN 103341704 A CN103341704 A CN 103341704A
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Abstract
The invention discloses a steel-plastic composite pipe welding device allowing weft wire disc replacement without halt and a weft wire disc replacement method. The welding device comprises an old weft wire disc, a welding machine roller, a push-pull rod, a wire winding roller, a cutting and welding device, a wire replacing roller and a new weft wire disc. The old weft wire disc is fixed on the welding machine roller in a sliding mode, the push-pull rod is arranged on one side of the old weft wire disc, the wire winding roller is connected to the middle of the welding machine roller in a sleeved mode, the wire replacing roller is connected to the left end of the welding machine roller in a sleeved mode, the new weft wire disc is arranged on the wire replacing roller in a sliding mode, and the cutting and welding device is arranged on the wire replacing roller and rotates along with the wire replacing roller. The weft wire disc replacement method includes the steps that when the welding machine roller provided with the old weft wire disc rotates, the wire replacing roller provided with the new weft wire disc and the wire winding roller accelerate to different rotation speeds respectively from a static state, therefore, the push-pull rod can push the old weft wire disc to the wire replacing roller from the welding machine roller and pull the new weft wire disc to the welding machine roller from the wire replacing roller, and at last, the wire replacing roller and the wire winding roller decelerate and stop.
Description
Technical field
The invention belongs to composite metal plastic pipe production line technology field, be specifically related to a kind of can the shutdown and change parallel dish composite metal plastic pipe welding equipment and change the dish method.
Background technology
At present, the substitute mode of bonding machine parallel mainly contains two kinds in the composite metal plastic pipe production: replenish parallel again and more renew the parallel dish, the inventive method only relates to the latter.Structure in the tradition replacing parallel dish method has only the bonding machine drum segment (as shown in Figure 1) of the inventive method, and change the parallel dish needs bonding machine to shut down at every turn.
Traditional replacing parallel dish process: earlier bonding machine is shut down; manually pull down old parallel dish; change new parallel dish; the each replacing needs to change four parallel dishes, and bonding machine is long downtime, and production efficiency descends; and can produce the waste product of certain-length in the stopping process; and the cost of product unit length is very high, and is therefore annual because changing a large amount of waste product that the parallel dish can produce, so traditional replacing parallel dish method time-consuming and inefficient, waste are serious.
Summary of the invention
The objective of the invention is to propose a kind of can the shutdown changes parallel dish composite metal plastic pipe welding equipment and changes the dish method; overcome the above-mentioned deficiency of prior art; it is simple in structure; easy to use, when changing the parallel dish, bonding machine need not shut down; the production efficiency height; reduce waste product, avoided waste, reduced cost.
In order to reach above-mentioned purpose of design, the technical solution used in the present invention is as follows:
A kind of can the shutdown changed parallel dish composite metal plastic pipe welding equipment; comprise old parallel dish; the bonding machine cylinder; pull bar; the kinking cylinder; cutting and welding device; the thread-changing cylinder; new parallel dish; fix old parallel dish by the slip of parallel dish seat on the described bonding machine cylinder; described old parallel dish one side is provided with the pull bar that is fixed on the bonding machine cylinder; described kinking drum sleeve is connected on bonding machine cylinder middle part; described thread-changing drum sleeve is connected on bonding machine cylinder left end; described new parallel dish is slidingly mounted on the thread-changing cylinder, and described cutting and welding device is installed on the thread-changing cylinder and with its rotation.
Preferably, locking slideway A on the cylinder of described bonding machine cylinder right-hand member, slideway A goes up to slide parallel dish seat is set, and described old parallel dish is installed on the parallel dish seat; Described pull bar one end is installed on the bonding machine cylinder, and the other end is installed on the parallel dish seat.
Preferably, described kinking cylinder mainly comprises roller A, barrel, sprocket wheel, axle A, axle B, roller B, described barrel inboard a plurality of roller B that evenly are coupling, the barrel outside a plurality of roller A that evenly are coupling.
Preferably, described thread-changing cylinder mainly comprises screw mandrel drive motors, guide wheel, roller, slideway B, lead screw device, the inboard fixed idler whell of described thread-changing cylinder, ground way B on the thread-changing cylinder, new parallel dish locking is on parallel dish seat, parallel dish seat is slidingly arranged on the slideway B, and described guide wheel is slidingly connected on the slideway B, and guide wheel is connected to the screw mandrel drive motors by lead screw device.
A kind ofly can not shut down the dish method of changing of changing parallel dish composite metal plastic pipe welding equipment,
When needs are changed old parallel dish, kinking cylinder and the equidirectional startup of bonding machine cylinder also accelerate to less than uniform rotation after the rotation speed n 2 of n1, the equidirectional startup of thread-changing cylinder and bonding machine drum rotation speed is simultaneously accelerated, when the empty parallel dish position on the thread-changing cylinder and the old parallel dish on the bonding machine cylinder just in time on time, thread-changing cylinder and bonding machine cylinder rotate synchronously with rotation speed n 1; After pull bar is pushed into old parallel dish on the thread-changing cylinder, the pull bar withdrawal;
The thread-changing cylinder accelerates to the rotation speed n 3 back uniform rotation greater than n1 then, and the parallel that this moment, old parallel dish was pulled out is more than the parallel that uses, and this unnecessary parallel is entangled on the kinking cylinder by guide wheel;
When the line on the kinking cylinder twine a circle or a circle above after, the thread-changing cylinder is decelerated to the rotation speed n 2 of kinking cylinder and rotation synchronously with it;
Afterwards, cutting and welding device cuts off the parallel on the old parallel dish, and the parallel welding on the new parallel dish is gone up and polishing welding seams; Simultaneously, the parallel that is entangled on the kinking cylinder slowly reduces until using up at last; Parallel uses up back kinking cylinder and thread-changing cylinder and accelerates to bonding machine drum rotation speed n1 synchronously, and new parallel dish and the empty parallel dish position alignment on the bonding machine cylinder on the thread-changing cylinder, pull bar is stretched out a new parallel dish is pulled on the bonding machine cylinder;
Last thread-changing cylinder band old parallel dish and kinking cylinder and is slowly slowed down until stopping, and bonding machine cylinder band new parallel dish and is rotated further by working speed n1, and so far, Geju City parallel dish is replaced with the process of new parallel dish and finishes.
Preferably, when the bonding machine cylinder was provided with a plurality of old parallel dish, its replacing process was:
After the first Geju City parallel dish is changed, and thread-changing cylinder band old parallel dish and the kinking cylinder slowly slows down after stopping, and old parallel dish is disassembled, change the new parallel dish of another one after, continue the replacing process of the old parallel dish in execution front;
And the like, finish until whole old parallel dishes replacings.
The beneficial effect that changes parallel dish composite metal plastic pipe welding equipment and change the dish method of can not shutting down of the present invention is: it is simple in structure, and is easy to use, when changing the parallel dish; bonding machine need not shut down, and the production efficiency height has reduced waste product; avoid waste, reduced cost.
Description of drawings
Fig. 1 is the schematic diagram of existing composite metal plastic pipe welding equipment;
Fig. 2 of the present inventionly can not shut down the schematic diagram that changes parallel dish composite metal plastic pipe welding equipment;
Fig. 3 of the present inventionly can not shut down the partial schematic diagram that changes parallel dish composite metal plastic pipe welding equipment;
Fig. 4 is the schematic diagram that can not shut down the kinking cylinder that changes parallel dish composite metal plastic pipe welding equipment of the present invention;
Fig. 5 is the schematic diagram that can not shut down the thread-changing cylinder that changes parallel dish composite metal plastic pipe welding equipment of the present invention.
Fig. 6 of the present inventionly can not shut down the cutaway view that changes parallel dish composite metal plastic pipe welding equipment.
Among the figure: 1 old parallel dish, 2 bonding machine cylinders, 3 pull bars, 4 kinking cylinders, 5 cutting and welding devices, 6 thread-changing cylinders, 7 new parallel dishes, 8 kinking drum drive motors, 9 thread-changing drum drive motors, 10 parallel dish seats, 11 slideway A, 12 wire installations, 13 roller A, 14 barrels, 15 sprocket wheels, 16 A, 17 B, 18 roller B, 19 lead screw device, 20 screw mandrel drive motors, 21 guide wheels, 22 rollers, 23 slideway B.
The specific embodiment
Below optimum implementation of the present invention is described in further detail.
Shown in Fig. 2～6; described can the shutdown changed parallel dish composite metal plastic pipe welding equipment; comprise old parallel dish 1; bonding machine cylinder 2; pull bar 3; kinking cylinder 4; cutting and welding device 5; thread-changing cylinder 6; new parallel dish 7; a plurality of old parallel dishes 1 are set on the described bonding machine cylinder 2; being specially old parallel dish 1 is fixed on the bonding machine cylinder 2 by the slip of parallel dish seat; old parallel dish 1 can move horizontally; described old parallel dish 1 one sides are provided with the pull bar 3 that is installed on the bonding machine cylinder 2; can realize the action of the old parallel dish 1 of push-and-pull; described kinking cylinder 4 is large diameter short cylinders; be installed in bonding machine cylinder 2 middle parts; can store a part of parallel temporarily; can be with the rotating speed independent rotation of needs; can accelerate or slow down; described thread-changing cylinder 6 is large diameter long cylinders; be installed in bonding machine cylinder 2 left ends; can be with the rotating speed independent rotation of needs; can accelerate or slow down; described new parallel dish 7 is slidingly mounted on the thread-changing cylinder 6; can move horizontally, described kinking drum drive motor 8 and cutting and welding device 5 are installed on the thread-changing cylinder 6 and with its rotation.
Described old parallel dish 1 and new parallel dish 7 can rotations under the effect of parallel pulling force.
As shown in Figure 3, by screw locking slideway A11, slideway A11 goes up to slide parallel dish seat 10 is set on the described bonding machine cylinder 2, and parallel dish seat 10 can move horizontally at slideway A11; Described old parallel dish 1 is installed on the parallel dish seat 10 by screw, old parallel dish 1 energy rotation; Described pull bar 3 one ends are installed on the bonding machine cylinder 2 by bearing pin, and the other end is installed on the parallel dish seat 10, can move by push-and-pull parallel dish seat 10.
Described wire installation 12 is installed on the bonding machine cylinder 2 by screw, mainly plays the parallel guiding.
As shown in Figure 4, described kinking cylinder 4 mainly comprises roller A13, barrel 14, sprocket wheel 15, axle A16, axle B17, roller B18, and described barrel 14 is the semicircular cylinder shape, totally 2, connects into a cylinder by screw; Barrel 14 inboards are by a plurality of roller B18 that evenly are coupling by axle B17, roller B18 has the effect that the kinking cylinder rotates of supporting, barrel 14 outsides are by axle A16 a plurality of roller A13 that evenly are coupling, roller A13 has the effect of the parallel that prevents from being wrapped on the kinking cylinder 4 and roller A13 friction, but roller B18 and roller A13 rotation.
Shown in Fig. 2 and 5, described thread-changing cylinder 6 mainly comprises screw mandrel drive motors 20, guide wheel 21, roller 22, slideway B23, lead screw device 19, described thread-changing cylinder 6 is the semicircular cylinder shape, totally 2, connect into a cylinder by screw, thread-changing cylinder 6 is inboard by axle and bearing fixing roller 22, has the effect that thread-changing cylinder 6 rotates of supporting; Pass through screw ground way B23 on the thread-changing cylinder 6, new parallel dish 7 lockings are on parallel dish seat, parallel dish seat is slidingly arranged on the slideway B23, can slide at slideway B23, described guide wheel 21 is slidingly connected on the slideway B23, guide wheel 21 energy rotations, and guide wheel 21 is connected to screw mandrel drive motors 20 by lead screw device 19, start screw mandrel drive motors 20, drive guide wheel 21 by lead screw device 19 and move horizontally.
The power of bonding machine cylinder 2 is provided by the motor of bonding machine among the present invention, does not draw among Fig. 2; The power of kinking cylinder 4 is provided by kinking drum drive motor 8; The power of thread-changing cylinder 6 is provided by thread-changing drum drive motor 9.
Change the dish process: when the bonding machine cylinder 2 that old parallel dish 1 is housed rotates; the thread-changing cylinder 6 that new parallel dish 7 is housed and kinking cylinder 4 accelerate to different rotating speeds respectively from static; realize that pull bar 3 is pushed into old parallel dish 1 on the thread-changing cylinder 6 from bonding machine cylinder 2; new parallel dish 7 being pulled on the bonding machine cylinder 2 from the thread-changing cylinder 6; last thread-changing cylinder 6 and kinking cylinder 4 slow down and stop; and bonding machine cylinder 2 still rotates, and is implemented in finally that old parallel dish 1 is replaced with new parallel dish 7 under the bonding machine cylinder 2 not shutdown situations.
The steps include:
One, new parallel dish 7 dishes are installed on the static thread-changing cylinder 6;
Two, thread-changing cylinder 6 starts to different rotating speeds respectively with kinking cylinder 4.
Three, pull bar 3 is pushed into old parallel dish 1 on the thread-changing cylinder 6 from bonding machine cylinder 2.
Four, cutting and welding device 5 is finished cutting, welding and the polishing welding seams work of parallel.
Five, pull bar 3 is pulled to new parallel dish 7 on the bonding machine cylinder 2 from thread-changing cylinder 6.
Specific implementation process: as shown in Figure 1, bonding machine cylinder 2 is being with old parallel dish 1 with working speed n1 uniform rotation; The parallel that is wrapped on the old parallel dish 1 is drawn out for the production of, old parallel dish 1 with bonding machine cylinder 2 with rotation speed n 1 uniform rotation with constant speed in process of production, and old parallel dish 1 is owing to the pulling force of parallel produces rotation simultaneously.Kinking cylinder 4 and thread-changing cylinder 6 are in static, when needs are changed old parallel dish 1, kinking cylinder 4 is with the 2 equidirectional startups of bonding machine cylinder and accelerate to rotation speed n 2 (n2＜n1) back uniform rotation, the cylinder 6 of thread-changing simultaneously accelerates with the equidirectional startup of bonding machine cylinder 2 rotating speeds, when the empty parallel dish position on the thread-changing cylinder 6 and the old parallel dish 1 on the bonding machine cylinder 2 just in time on time, thread-changing cylinder 6 rotates with rotation speed n 1 synchronously with bonding machine cylinder 2.After pull bar 3 is pushed into old parallel dish 1 on the thread-changing cylinder 6, pull bar 3 withdrawals; Thread-changing cylinder 6 accelerates to rotation speed n 3(n3 then〉n1) the back uniform rotation, because n3〉n1, accelerate in rotation speed n 3 and subsequent the uniform rotation process at thread-changing cylinder (6), the parallel that old parallel dish 1 is pulled out is more than the parallel that uses, this unnecessary parallel is entangled in (the lead screw device 19 drive guide wheels 21 by screw mandrel drive motors 20 are moved horizontally to kinking cylinder 4 upsides, and parallel imports on the kinking cylinders 4 by guide wheel 21) on the kinking cylinder 4 by guide wheel; After the line on the kinking cylinder 4 twined eight circles, thread-changing cylinder 6 was decelerated to the rotation speed n 2 of kinking cylinder 4 and rotates synchronously with it.During this rotated synchronously, cutting and welding device 5 cut off the parallel on the old parallel dish 1, and the parallel welding on the new parallel dish 7 is gone up and polishing welding seams.(that is: n2＜n1) is so at cutting and welding device 5 duration of works, the parallel that is entangled on the kinking cylinder 4 slowly reduces until using up at last because the rotating speed of thread-changing cylinder 6 and kinking cylinder 4 is less than the rotating speed of bonding machine cylinder.Parallel uses up back kinking cylinder 4 and thread-changing cylinder 6 accelerates to bonding machine cylinder 2 rotation speed n 1 synchronously, and make empty parallel dish position alignment on new parallel dish 7 and the bonding machine cylinder 2 on the thread-changing cylinder 6, pull bar 3 stretches out new parallel dish 7 is pulled on the bonding machine cylinder 2, last thread-changing cylinder 6 is being with old parallel dish 1 and kinking cylinder 4 slowly to slow down until stopping, bonding machine cylinder 2 is being with new parallel dish 7 to be rotated further by working speed n1, so far, Geju City parallel dish process of being replaced with new parallel dish is finished.
The replacing process of second Geju City parallel dish: be with old parallel dish 1 and kinking cylinder 4 when thread-changing cylinder 6 and slowly slowing down after stopping, old parallel dish 1 is being disassembled, change the new parallel dish of another one after, continue to carry out the replacing process of the old parallel dish in front.
And the like, finish until the 4th Geju City parallel dish replacing.So far, the action that four Geju City parallel dishes 1 are replaced with new parallel dish 7 under not shutdown of bonding machine situation is finished.
Above content be in conjunction with concrete preferred embodiment to further describing that the present invention does, being convenient to these those skilled in the art can understand and apply the invention, and can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, can also make some simple deduction or replace without departing from the inventive concept of the premise, and needn't pass through performing creative labour.Therefore, those skilled in the art should be within protection scope of the present invention to the simple modifications that the present invention makes according to announcement of the present invention.
Claims (6)
1. can not shut down and change parallel dish composite metal plastic pipe welding equipment for one kind; it is characterized in that: comprise old parallel dish; the bonding machine cylinder; pull bar; the kinking cylinder; cutting and welding device; the thread-changing cylinder; new parallel dish; fix old parallel dish by the slip of parallel dish seat on the described bonding machine cylinder; described old parallel dish one side is provided with the pull bar that is fixed on the bonding machine cylinder; described kinking drum sleeve is connected on bonding machine cylinder middle part; described thread-changing drum sleeve is connected on bonding machine cylinder left end; described new parallel dish is slidingly mounted on the thread-changing cylinder, and described cutting and welding device is installed on the thread-changing cylinder and with its rotation.
2. according to claim 1 can the shutdown changed parallel dish composite metal plastic pipe welding equipment, it is characterized in that: locking slideway A on the cylinder of described bonding machine cylinder right-hand member, slideway A goes up to slide parallel dish seat is set, and described old parallel dish is installed on the parallel dish seat; Described pull bar one end is installed on the bonding machine cylinder, and the other end is installed on the parallel dish seat.
3. according to claim 1 can the shutdown changed parallel dish composite metal plastic pipe welding equipment; it is characterized in that: described kinking cylinder mainly comprises roller A, barrel, sprocket wheel, axle A, axle B, roller B; described barrel inboard a plurality of roller B that evenly are coupling, the barrel outside a plurality of roller A that evenly are coupling.
4. according to claim 1 can the shutdown changed parallel dish composite metal plastic pipe welding equipment; it is characterized in that: described thread-changing cylinder mainly comprises screw mandrel drive motors, guide wheel, roller, slideway B, lead screw device; the inboard fixed idler whell of described thread-changing cylinder; ground way B on the thread-changing cylinder; new parallel dish locking is on parallel dish seat; parallel dish seat is slidingly arranged on the slideway B, and described guide wheel is slidingly connected on the slideway B, and guide wheel is connected to the screw mandrel drive motors by lead screw device.
5. can not shut down the dish method of changing of changing parallel dish composite metal plastic pipe welding equipment according to above-mentioned any claim is described for one kind, it is characterized in that:
When needs are changed old parallel dish, kinking cylinder and the equidirectional startup of bonding machine cylinder also accelerate to less than uniform rotation after the rotation speed n 2 of n1, the equidirectional startup of thread-changing cylinder and bonding machine drum rotation speed is simultaneously accelerated, when the empty parallel dish position on the thread-changing cylinder and the old parallel dish on the bonding machine cylinder just in time on time, thread-changing cylinder and bonding machine cylinder rotate synchronously with rotation speed n 1; After pull bar is pushed into old parallel dish on the thread-changing cylinder, the pull bar withdrawal;
The thread-changing cylinder accelerates to the rotation speed n 3 back uniform rotation greater than n1 then, and the parallel that this moment, old parallel dish was pulled out is more than the parallel that uses, and this unnecessary parallel is entangled on the kinking cylinder by guide wheel;
When the line on the kinking cylinder twine a circle or a circle above after, the thread-changing cylinder is decelerated to the rotation speed n 2 of kinking cylinder and rotation synchronously with it;
Afterwards, cutting and welding device cuts off the parallel on the old parallel dish, and the parallel welding on the new parallel dish is gone up and polishing welding seams; Simultaneously, the parallel that is entangled on the kinking cylinder slowly reduces until using up at last; Parallel uses up back kinking cylinder and thread-changing cylinder and accelerates to bonding machine drum rotation speed n1 synchronously, and new parallel dish and the empty parallel dish position alignment on the bonding machine cylinder on the thread-changing cylinder, pull bar is stretched out a new parallel dish is pulled on the bonding machine cylinder;
Last thread-changing cylinder band old parallel dish and kinking cylinder and is slowly slowed down until stopping, and bonding machine cylinder band new parallel dish and is rotated further by working speed n1, and so far, Geju City parallel dish is replaced with the process of new parallel dish and finishes.
6. according to claim 5ly can not shut down the dish method of changing of changing parallel dish composite metal plastic pipe welding equipment, it is characterized in that:
When the bonding machine cylinder was provided with a plurality of old parallel dish, its replacing process was:
After the first Geju City parallel dish is changed, and thread-changing cylinder band old parallel dish and the kinking cylinder slowly slows down after stopping, and old parallel dish is disassembled, change the new parallel dish of another one after, continue the replacing process of the old parallel dish in execution front;
And the like, finish until whole old parallel dishes replacings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223743.0A CN103341704B (en) | 2013-06-06 | 2013-06-06 | Can not shut down and change parallel dish composite metal plastic pipe welding equipment and change dish method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223743.0A CN103341704B (en) | 2013-06-06 | 2013-06-06 | Can not shut down and change parallel dish composite metal plastic pipe welding equipment and change dish method |
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| Publication Number | Publication Date |
|---|---|
| CN103341704A true CN103341704A (en) | 2013-10-09 |
| CN103341704B CN103341704B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310223743.0A Active CN103341704B (en) | 2013-06-06 | 2013-06-06 | Can not shut down and change parallel dish composite metal plastic pipe welding equipment and change dish method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581820B1 (en) * | 1991-04-26 | 1997-06-18 | Glynwed Pipe Systems Limited | Method of manufacture of a structurally composite metal and plastics tube |
| CN201737538U (en) * | 2010-07-26 | 2011-02-09 | 苏州宝兴电线电缆有限公司 | Welding line changing device |
| CN201824050U (en) * | 2010-09-16 | 2011-05-11 | 北京航星机器制造公司 | Warp grouping isolation welding device of composite metal plastic pipe welding machine |
| DE202012000498U1 (en) * | 2012-01-19 | 2012-03-01 | Reinhard Bäker | Device for automatically releasing and removing the spot welding cap from the welding electrode of a spot welding gun - Cap puller - |
| CN202462885U (en) * | 2011-11-30 | 2012-10-03 | 北京航星机器制造公司 | Wheel shaft device for wire transporting station of steel-plastic composite pipeline welding machine |
-
2013
- 2013-06-06 CN CN201310223743.0A patent/CN103341704B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581820B1 (en) * | 1991-04-26 | 1997-06-18 | Glynwed Pipe Systems Limited | Method of manufacture of a structurally composite metal and plastics tube |
| CN201737538U (en) * | 2010-07-26 | 2011-02-09 | 苏州宝兴电线电缆有限公司 | Welding line changing device |
| CN201824050U (en) * | 2010-09-16 | 2011-05-11 | 北京航星机器制造公司 | Warp grouping isolation welding device of composite metal plastic pipe welding machine |
| CN202462885U (en) * | 2011-11-30 | 2012-10-03 | 北京航星机器制造公司 | Wheel shaft device for wire transporting station of steel-plastic composite pipeline welding machine |
| DE202012000498U1 (en) * | 2012-01-19 | 2012-03-01 | Reinhard Bäker | Device for automatically releasing and removing the spot welding cap from the welding electrode of a spot welding gun - Cap puller - |
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| CN103341704B (en) | 2015-09-09 |
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