CN109514161A - A kind of tube to tubesheet production line - Google Patents
A kind of tube to tubesheet production line Download PDFInfo
- Publication number
- CN109514161A CN109514161A CN201811272685.XA CN201811272685A CN109514161A CN 109514161 A CN109514161 A CN 109514161A CN 201811272685 A CN201811272685 A CN 201811272685A CN 109514161 A CN109514161 A CN 109514161A
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- Prior art keywords
- pipe
- tube
- tubesheet
- production line
- welder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of tube to tubesheet production lines, comprising auto tube feeding sub-device, assembly and welder, for overturning pipe from auto tube feeding sub-device to the station crane of the pipe on pipe turnover device, cooperation handling assembly and the welder in assembly and welder, assembly and welder are connected by pipe turnover device with auto tube feeding sub-device.Tube to tubesheet production line of the invention, since assembly and welder are connected by pipe turnover device with auto tube feeding sub-device, pipe is transmitted to pipe turnover device via auto tube feeding sub-device, pipe turnover device again overturns pipe to the welding process for quickly completing pipe fitting and pipe end face in neighbouring assembly and welder, rationally distributed, all swivel links between each device are simplified, whole flow process process is simple and quick, therefore station shared by entire tube to tubesheet production line is few, and welding efficiency is high.
Description
Technical field
The present invention relates to production line technology fields, and in particular to a kind of tube to tubesheet production line.
Background technique
Currently, traditional pipe end face welding technique is still used for numerous industries such as ship, petrochemical industry, this is used
When class technology carries out the components such as pipe end face welded flange or elbow, there are many deficiencies, such as produce wire length, shared station it is more,
Low efficiency etc., it is difficult to realize extensive batch machining production.It mainly include following side for this traditional processing technology
Face:
1) pipe and pipe fitting are transported to by pipe pairing device or mounting plate；
2) pipe is lifted in pairing device or spot welding is grouped in platform；
3) pipe for installing group, which is hung, is sent to ground；
4) finally, carrying out welding by welder, some is welded on dedicated positioner, and some is welded in ground welding region
It connects.
In whole process, workpiece may need multiple operators to cooperate to complete, shared work by transporting several times
Position is more and inefficient.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of tube to tubesheet production lines, can effectively reduce pipe and pipe fitting
The needs of welding process station and manpower improve welding efficiency.
Above-mentioned technical problem is solved by the following technical programs:
A kind of tube to tubesheet production line provided by the invention, comprising auto tube feeding sub-device, assembly and welder, is used to
Pipe is overturn from auto tube feeding sub-device to pipe turnover device, cooperation handling assembly and the welding in assembly and welder
The station crane of pipe on device, the assembly and welder pass through the pipe turnover device and auto tube feeding
Device is connected.
In above-mentioned tube to tubesheet production line, the auto tube feeding sub-device includes the first rack, the first chain group, first
Chain wheel set, first motor, the first speed reducer and drive shaft, the first chain group are set in first rack, and described
Multiple clamping portions for being used to transmit pipe are equipped with along its direction of motion in one chain group, the both ends of the drive shaft are equipped with described
First chain wheel set is placed in the first chain group in first chain wheel set cooperation, the output shaft of the first motor and institute
The input terminal connection of the first speed reducer, the output shaft of first speed reducer and the driving axis connection are stated, for driving driving
Axis rotates and the first chain group is driven to rotate.
In above-mentioned tube to tubesheet production line, the auto tube feeding sub-device further includes the control in first rack
Box processed, the control box and the first motor and the first deceleration mechatronics.
In above-mentioned tube to tubesheet production line, the assembly includes the second rack, roller group, driving mechanism with welder
Disk is hung with flange, the roller group is set in the second rack, described for carrying the pipe of the auto tube feeding sub-device transmission
The top of roller group is equipped with the flange being installed in the second rack and for hanging flange to be installed and hangs disk, the driving machine
Structure is connect with the roller group, for driving the roller group to rotate.
In above-mentioned tube to tubesheet production line, the driving mechanism includes the second motor, the second speed reducer, the second chain group
With the second chain wheel set, the output shaft of second motor and the input axis connection of the second speed reducer, second speed reducer it is defeated
Shaft is connect with the second chain group, and the second chain group is set in the outside of second chain wheel set, second chain
Wheel group is connect with the roller group, to drive roller group to rotate.
In above-mentioned tube to tubesheet production line, the roller group includes two shafts disposed in parallel, is set in the shaft
There are multiple idler wheels, the idler wheel between two shafts is arranged in a one-to-one correspondence, and the driving mechanism is connect with the shaft, to drive
Shaft is stated to rotate and idler wheel is driven to rotate.
In above-mentioned tube to tubesheet production line, second rack be equipped be located on the outside of the shaft and with the shaft
Parallel parallel orbit, the flange are hung disk and are slidingly disposed on the parallel orbit, and the flange hangs the bottom two of disk
Side is equipped with the supporting leg that is used to support and can slide along the outside parallel orbit, and the flange hangs disk can be parallel along the outside
Track goes to the other end from one end of second rack.
In above-mentioned tube to tubesheet production line, the flange hangs disk liftable, and the flange is hung disk and is equipped with for hanging
The pin shaft of flange.
In above-mentioned tube to tubesheet production line, the station crane includes portal frame, is slidingly disposed at the portal frame
On crane walking jack machinism and collet, the collet is connected to the end of the crane walking jack machinism, the assembly
The inside of the portal frame is set to welder.
It further include controller in above-mentioned tube to tubesheet production line, the controller and the auto tube feeding sub-device, institute
State pipe turnover device, the assembly and welder and station crane electrical connection.
Tube to tubesheet production line of the present invention, compared with the background art caused by the utility model has the advantages that
Since assembly and welder are connected by pipe turnover device with auto tube feeding sub-device, pipe is via on automatically
Tube device is transmitted to pipe turnover device, and pipe turnover device again overturns pipe to fast in neighbouring assembly and welder
Speed completes the welding process of pipe fitting and pipe, and rationally distributed, all swivel links between each device are simplified, and whole flow process process is simple
And it is quick, therefore station shared by entire tube to tubesheet production line is few, welding efficiency is high.
Detailed description of the invention
Fig. 1 is the top view of the tube to tubesheet production line of the embodiment of the present invention；
Fig. 2 is the front view of the tube to tubesheet production line of the embodiment of the present invention.
Wherein, 1, auto tube feeding sub-device, the 11, first rack, the 12, first chain group, 13 first motors, 14, first subtracts
Fast machine, 15, drive shaft, 16, control box, 2, pipe turnover device, 3, assembly and welder, 31, roller group, 32, sprocket wheel,
33, the second chain, 34, third chain, the 35, second speed reducer, the 36, second motor, 37, flange extension disk, 4, station crane, 41,
Crane walking jack machinism, 42, track girder, 43, column, 44, collet, 5, controller, 6, welding machine, 7, finished product area.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Referring to figs. 1 and 2, a kind of tube to tubesheet production line provided by the embodiment of the present invention includes auto tube feeding
Sub-device 1, assembly and welder 3, for by pipe from auto tube feeding sub-device 1 overturn to assembly and welder 3 on
The station crane 4 of pipe turnover device 2, cooperation handling assembly and the pipe on welder 3, assembly and welder 3 pass through
Pipe turnover device 2 is connected with the auto tube feeding sub-device 1, and pipe is transmitted to pipe via auto tube feeding sub-device 1 and overturns
Device 2, pipe turnover device 2 again overturn pipe to quickly completing pipe fitting and tube end in neighbouring assembly and welder 3
The welding process in face.
Preferably, auto tube feeding sub-device 1 includes the first rack 11, the first chain group 12, the first chain wheel set, first motor
13, the first speed reducer 14 and drive shaft 15, the first chain group 12 are set in the first rack 11, along its fortune in the first chain group 12
Dynamic direction is equipped with multiple clamping portions for being used to transmit pipe, and the both ends of drive shaft 15 are equipped with the first chain wheel set, the first chain wheel set
It is placed in cooperation in the first chain group 12, the input terminal connection of the output shaft of first motor 13 and the first speed reducer 14, first subtracts
The output shaft of fast machine 14 is connect with drive shaft 15, for driving drive shaft 15 to rotate and the first chain group 12 being driven to rotate, pipe
It is placed on the clamping portion of the first chain group 12, in the drive drive shaft 15 of first motor 13 so that the first chain wheel set rotates,
And then make to be placed on the rotation of the first chain group 12 on the outside of the first chain wheel set, and the pipe for being located at clamping portion will overturn to pipe and fill
The movement of 2 directions is set, in addition, when needing to slow down the speed that pipe travels forward, controllable first speed reducer 14 is to slow down and the
The speed of the first connected chain group 12 of one speed reducer 14 to travel forward.
Preferably, auto tube feeding sub-device 1 further includes the control box 16 in the first rack 11, the control box 16 and
The first motor 13 and the electrical connection of the first speed reducer 14, control box 16 are arranged in the side of the first rack 11, are disposed in proximity to
The transmission the initial segment of first chain group 12 be it is best, be conducive to grasp the first chain group 12 of control forwards situation and timely
Carry out feedback adjustment.
Preferably, assembly includes that the second rack, roller group 31, driving mechanism and flange hang disk 37, idler wheel with welder 3
Group 31 is set in the second rack, and the top of the pipe transmitted for carrying the auto tube feeding sub-device 1, roller group 31 is equipped with peace
Disk 37 is hung loaded on the flange in the second rack and for hanging flange to be installed, driving mechanism is connect with roller group 31, for driving
Dynamic roller group 31 rolls, and the pipe being carried in roller group 31 also will do it corresponding rolling, be gone with the position that this adjusts pipe
Needs when cooperation welding, flange is hung disk 37 and is then provided close at pipe end face position, to hang flange to be welded.
Preferably, driving mechanism includes the second motor 36, the second speed reducer 35, the second chain group and the second chain wheel set, the
The input axis connection of the output shaft of two motors 36 and the second speed reducer 35, the output shaft of the second speed reducer 35 and the second chain group connect
It connecing, the second chain group is set in the outside of the second chain wheel set, and the second chain group includes the second chain 33 and third chain 34, and second
Chain wheel set is connect with roller group 31, and to drive roller group 31 to rotate, driving mechanism is the rolling for driving roller group 31, is driven
The rotation that the second motor 36 in motivation structure drives the second chain group to provide power is placed in the second chain group with driving
The rotation of second chain wheel set, and the second chain wheel set is connected with roller group 31, to drive the rolling of roller group 31, and works as and needs to control
It can go to realize by the second speed reducer 35 when the rolling speed of roller group 31 processed.
Preferably, roller group 31 includes two shafts disposed in parallel, and shaft is equipped with multiple idler wheels, between two shafts
Idler wheel be arranged in a one-to-one correspondence, driving mechanism is connect with shaft, rotated with drive shaft and idler wheel driven to rotate, roller group 31 wrap
Containing two identical parts, each section is all made of a shaft and several idler wheels, and the quantity of idler wheel is according to practical
It needs to be determined that shaft is passed through from the center of idler wheel, the distance between idler wheel be also according to the actual situation depending on, shaft one end with
Sprocket wheel 32 connects, itself rolls required driving force to obtain from driving mechanism.
It is highly preferred that roller group 31 includes two shafts disposed in parallel, shaft is equipped with multiple disks, two shafts it
Between disk be arranged in a one-to-one correspondence, driving mechanism is connect with shaft, with drive shaft rotation and disc-rotated, disc set 31
Comprising two identical parts, each section is all made of a shaft and several disks, and the quantity of disk is according to real
Border it needs to be determined that, shaft is passed through from the center of disk, the distance between disk be also according to the actual situation depending on, in one end of shaft
It is connect with sprocket wheel 32, itself rolls required driving force to obtain from driving mechanism.
Preferably, the second rack, which is equipped with, is located at the shaft outside and the parallel orbit parallel with the shaft, method
Orchid hangs disk 37 and is slidingly disposed on the parallel orbit, and the two sides of the bottom that flange hangs disk 37, which are equipped with, to be used to support and can be along parallel
The supporting leg of track sliding, flange, which hangs disk 37, to go to the other end from one end of the second rack along parallel orbit, and flange hangs disk 37
The other end can be moved to from one end of the second rack, due to flange hang between disk 37 and supporting leg be it is empty, flange hangs disk 37 and exists
In motion process, but pipe or the idler wheel in roller group 31 or the disk in roller group 31 are touched, when to be assembled, weldering
When the pipe connect is shorter, flange hangs disk 37 can slide into flange and the assembling most suitable position of pipe along parallel orbit
It sets, similarly, when pipe to be assembled, welding is long, flange is hung disk 37 and is slid into closer to parallel orbit both ends
Position, to be adapted to the requirement of pipe to be installed.
Preferably, flange hangs 37 liftable of disk, and flange hangs disk 37 equipped with the pin shaft for hanging flange, and flange hangs disk 37
Elevating movement can also can be being carried out with the perpendicular where pipe in the horizontal motion coaxial with the second rack, used
The position of flange when adjusting pipe and flange welding, more easily to weld, the centre bit that flange is hung on disk 37 is equipped with extension
Flange to be assembled is hung over flange and hangs disk 37 by the pin shaft of flange, hole of the pin shaft by passing through flange periphery to hang flange
Pin shaft on, flange is hung disk 37 and can be vertically moved up or down, and during actual welding, hangs the horizontal movement of disk 37 and vertical by flange
The combination of direction of motion movement adjusts the position of flange so as to play the group with pipe to centering, then to flange and pipe end face
Welding is a small amount of to put so that flange and pipe are substantially stationary, after completing this first assembling process, flange is hung disk 37 and is removed, is controlled later
The rolling of roller group 31 makes pipe rotate, and is set to the welding machine 6 of assembly and welder nearby to the pipe tentatively assembled
Sub- flange part carries out girth welding, and process hereafter, pipe slowly rotates and welding machine 6 is substantially motionless, is equivalent to flat fillet weld completion
The girth welding, such welding manner can guarantee welding quality.
Preferably, station crane 4 includes portal frame, the crane being slidingly disposed on portal frame walking 41 and of jack machinism
Collet 44, collet 44 are connected to the end of crane walking jack machinism 41, and assembly is set to the inside of portal frame with welder 3,
In this embodiment, the overarm of portal frame is known as track girder 42, and support column is known as column 43, and track girder 42 is in the second rack
Same vertical plane, the pipe after welding is completed in assembly and welder 3 are in the roller group 31 of the second rack, are set to
Crane walking jack machinism 41 on track girder 42 slides into right above the second rack along track girder 42, is located at crane walking lifting
The collet 44 of 41 end of mechanism is maneuvered into the finished product area 7 for being used to store the pipe welded after picking up pipe, track girder 42 with
Second rack, which is in same vertical plane and is provided with, to be conducive to the pipe flange that has just welded and completes part to undergo shortest distance and direct
It is transported to finished product area 7, pipe flange can be reduced and complete the probability being damaged during part transports, entire swing pipe subprocess passes through
It is default to guarantee that process is automatically performed close to switch and PLC control etc..Substantially there are four steps for process, are successively 1) to press station to hang
Pipe button, crane walking jack machinism 41 moved along track girder 42, preset positioning close to switch close to pipe just on
Side is automatically stopped；2) collet 44 is automatically lowered preset height Automatic-clamping pipe；3) collet 44 rises automatically after clipping pipe,
Rise to the highly automated stopping preset；4) crane walking jack machinism 41 is default to finished product area 7 along the walking of track girder 42
Position is automatically stopped, automatic discharging.This four steps are continuously, to be not required to manually touch the button again and again, and collet 44 clamps
When pipe, pipe, which is not swung, can ensure safety, in addition the sub- button of station swing pipe is equipped with hand push button, that is, have automatically and manually two kinds
Operation mode, use when manual mode facilitates maintenance.
It preferably, further include controller 5, the controller 5 is filled with the auto tube feeding sub-device 1, pipe overturning
The 2, assembly and welder 3 and the station crane 4 electrical connection are set, facilitated to the transport of workpiece, assembly, welded and unload
Material etc. has rapidly global in time control.
In summary narration, then whole work process is sketched, operator is risen beside control box 16 with workshop bridge-type
Several clamping portions hung in auto tube feeding sub-device 1 of the pipe of required processing, a clamping portion are placed one by heavy-duty machine
Pipe, tube length direction is vertical with the direction of transfer of the first chain group 12, after pressing control box 16, first motor 13 and first
Speed reducer 14 controls drive shaft 15 and rotates, and the first chain group 12 starts to travel forward, and one clamping portion length of every movement is with regard to automatic
Stop, when that pipe being originally placed in auto tube feeding sub-device 1 is sent at pipe turnover device 1, is controlling
Device 5 is overturn the pipe to the roller group 31 in assembly and welder 3 by lower button, and auto tube feeding sub-device 1 stops
Operation, until the pipe in assembly and welder 3 is walked by handling, the button control driving mechanism pressed on controller 5 is driven
Roller group 31 rolls, and at the same time, regulating flange hangs end face and pipe of the disk 37 to the flange hung on flange extension 37 pin shaft of disk
Then the end face centering of son carries out welding appropriate to end face junction by welding machine 6, it is ensured that the success of the end face of flange and pipe
Positioning after completing this preliminary assembling process, flange extension disk 37 is removed, keeps the position of welding machine 6 motionless, controls roller group 31
Rotation rotate pipe slowly, continue to carry out girth welding to flange and pipe end face, after the completion of welding, press and pass through control
The sub- button of station swing pipe on device 5, control crane walking jack machinism 41 is moved along track girder 42, until connecing for default positioning
Close to switch stop motion when close to right above pipe, then collet 44 is automatically lowered preset height Automatic-clamping pipe, it
Collet 44 rises automatically after clipping pipe afterwards, rises to the highly automated stopping preset, subsequently crane walking jack machinism
41 walk to be automatically stopped to 7 predeterminated position of finished product area along track girder 42 moves, automatic discharging, when the pipe in roller group is hung
After walking, auto tube feeding sub-device 1 forwards pipe automatically, and pipe turnover device 2 overturns pipe to assembly and welder 3
On continue to weld, repeat before operation.
To sum up, tube to tubesheet production line of the present invention, it is generated compared with the background art
The utility model has the advantages that
Since assembly and welder are connected by pipe turnover device with auto tube feeding sub-device, pipe is via on automatically
Tube device is transmitted to pipe turnover device, and pipe turnover device again overturns pipe to fast in neighbouring assembly and welder
Speed completes the welding process of pipe fitting and pipe, and rationally distributed, all swivel links between each device are simplified, and whole flow process process is simple
And it is quick, therefore station shared by entire tube to tubesheet production line is few, welding efficiency is high.
It should be understood that various information are described in the present invention using term " first ", " second " etc., but these information
It should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from the present invention
In the case where range, " first " information can also be referred to as " second " information, and similar, " second " information can also be referred to as
" first " information.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement is also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of tube to tubesheet production line, which is characterized in that comprising auto tube feeding sub-device, assembly and welder, be used to incite somebody to action
Pipe is overturn from auto tube feeding sub-device to pipe turnover device, cooperation handling assembly and the welding dress in assembly and welder
The station crane for the pipe set, the assembly and welder are filled by the pipe turnover device and auto tube feeding
It sets connected.
2. tube to tubesheet production line according to claim 1, which is characterized in that the auto tube feeding sub-device includes first
Rack, the first chain group, the first chain wheel set, first motor, the first speed reducer and drive shaft, the first chain group are set to institute
It states in the first rack, is equipped with multiple clamping portions for being used to transmit pipe, the drive along its direction of motion in the first chain group
The both ends of moving axis are equipped with first chain wheel set, are placed in the first chain group in the first chain wheel set cooperation, described
The output shaft of first motor is connected with the input terminal of first speed reducer, the output shaft of first speed reducer and the driving
Axis connection, for driving drive shaft turns and the first chain group being driven to rotate.
3. tube to tubesheet production line according to claim 2, which is characterized in that the auto tube feeding sub-device further includes setting
Control box in first rack, the control box and the first motor and the first deceleration mechatronics.
4. tube to tubesheet production line according to claim 1, which is characterized in that the assembly includes second with welder
Rack, roller group, driving mechanism and flange hang disk, and the roller group is set in the second rack, for carrying the auto tube feeding
The pipe of sub-device transmission, the top of the roller group are equipped with the institute being installed in the second rack and for hanging flange to be installed
It states flange and hangs disk, the driving mechanism is connect with the roller group, for driving the roller group to rotate.
5. tube to tubesheet production line according to claim 4, which is characterized in that the driving mechanism include the second motor,
Second speed reducer, the second chain group and the second chain wheel set, the output shaft of second motor and the input shaft of the second speed reducer connect
It connects, the output shaft of second speed reducer is connect with the second chain group, and the second chain group is set in second chain
The outside of wheel group, second chain wheel set is connect with the roller group, to drive roller group to rotate.
6. tube to tubesheet production line according to claim 4, which is characterized in that the roller group includes two and is arranged in parallel
Shaft, the shaft is equipped with multiple idler wheels, and the idler wheel between two shafts is arranged in a one-to-one correspondence, the driving mechanism and institute
Shaft connection is stated, to drive the shaft to rotate and idler wheel is driven to rotate.
7. tube to tubesheet production line according to claim 6, which is characterized in that second rack is equipped with positioned at described
On the outside of shaft and the parallel orbit parallel with the shaft, the flange are hung disk and are slidingly disposed on the parallel orbit,
The two sides of the bottom that the flange hangs disk are equipped with the supporting leg that is used to support and can slide along the parallel orbit, and the flange hangs disk
The other end can be gone to from one end of second rack along the parallel orbit.
8. tube to tubesheet production line according to claim 4, which is characterized in that the flange hangs disk liftable, the method
Orchid hangs disk equipped with the pin shaft for hanging flange.
9. tube to tubesheet production line according to claim 1, which is characterized in that the station crane includes portal frame, can
Crane walking jack machinism and the collet being slidably set on the portal frame, the collet are connected to the crane walking lifting
The end of mechanism, the assembly are set to the inside of the portal frame with welder.
10. tube to tubesheet production line according to claim 1, which is characterized in that further include controller, the controller with
The auto tube feeding sub-device, the pipe turnover device, the assembly and welder and station crane electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272685.XA CN109514161A (en) | 2018-10-29 | 2018-10-29 | A kind of tube to tubesheet production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811272685.XA CN109514161A (en) | 2018-10-29 | 2018-10-29 | A kind of tube to tubesheet production line |
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| CN109514161A true CN109514161A (en) | 2019-03-26 |
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| CN201811272685.XA Pending CN109514161A (en) | 2018-10-29 | 2018-10-29 | A kind of tube to tubesheet production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247596A (en) * | 2020-10-22 | 2021-01-22 | 广州文冲船厂有限责任公司 | Pipe flange production line communication system |
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| CN204771350U (en) * | 2015-06-05 | 2015-11-18 | 南阳市油田宏科石油装备有限公司 | Pipe fitting weldment work platform and use pipe fitting welding production line of this workstation |
| CN206915359U (en) * | 2017-05-17 | 2018-01-23 | 佛山职业技术学院 | A kind of steel pipe stacking and conveying device |
| KR101883837B1 (en) * | 2017-08-31 | 2018-08-01 | 정찬우 | Combined automatic welding equipment |
| CN108655660A (en) * | 2018-07-26 | 2018-10-16 | 广汉市旭朗机械有限公司 | A kind of pipeline welding bracing frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112247596A (en) * | 2020-10-22 | 2021-01-22 | 广州文冲船厂有限责任公司 | Pipe flange production line communication system |
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