CN208556506U - A kind of industrial machinery steel pipe fixed-position welding device - Google Patents
A kind of industrial machinery steel pipe fixed-position welding device Download PDFInfo
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- CN208556506U CN208556506U CN201821075752.4U CN201821075752U CN208556506U CN 208556506 U CN208556506 U CN 208556506U CN 201821075752 U CN201821075752 U CN 201821075752U CN 208556506 U CN208556506 U CN 208556506U
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Abstract
The utility model discloses a kind of industrial machinery steel pipe fixed-position welding devices of industrial machinery technical field, including fixed shell, fixed bracket is arranged in the intracavity bottom of the fixed shell, the support bracket fastened opposing end surface connecting welding case, the left and right sides inner wall of the welding case is respectively provided with motor, the output connection rotating shaft of the motor, the other end of the shaft connects driving gear, the inner cavity of the welding case is flexibly connected two groups of clamp devices, the one end of inner wall at left and right sides of welding case of clamp device described in two groups connects driven gear, hydraulic telescopic rod is arranged in the inner cavity top of the fixed shell, the output end connecting welding rifle of the hydraulic telescopic rod, protective shell is arranged in the inner cavity top of the fixed shell, it ensure that the welding precision of steel pipe, it and is that steel pipe is more firm in welding, docking when making steel-pipe welding Place is more smooth, and polishing is improved work efficiency with a device completion job, simplified operating procedure is welded on.
Description
Technical field
The present invention relates to industrial machinery technical field, specially a kind of industrial machinery steel pipe fixed-position welding device and welding
Method.
Background technique
Steel pipe is common a kind of tool in existing industrial machinery, and steel pipe can be not only used for trandfer fluid and powdery is solid
Body, exchange thermal energy, manufacture machine components and container, can also be used to as building material, steel pipe is a kind of economic structural section, is made
It is not only light-weight in, steel can be saved, simplifies construction, the area of stopping off, investment reduction and maintenance can also be reduced
Expense.Steel pipe is typically necessary before the use carries out butt welding together, but existing steel-pipe welding device positioning accuracy
Not high, in welding, steel pipe is unstable on device, is easy to happen shaking, out-of-flatness at the steel-pipe welding docking made, steel pipe
It is easy to loosen at docking, and needs to polish after the completion of existing steel-pipe welding, polishing needs other device to carry out, and operates numerous
It is trivial, reduce working efficiency.For this purpose, it is proposed that a kind of industrial machinery steel pipe fixed-position welding device and welding method.
Summary of the invention
The purpose of the present invention is to provide a kind of industrial machinery steel pipe fixed-position welding devices and welding method, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of industrial machinery steel pipe fixed-position welding device,
Including fixed shell, fixed bracket, the support bracket fastened opposing end surface connection weldering is arranged in the intracavity bottom of the fixed shell
Connect case, the left and right sides inner wall of the welding case is respectively provided with motor, the output connection rotating shaft of the motor, the shaft it is another
One end connects driving gear, and the inner cavity of the welding case is flexibly connected two groups of clamp devices, and clamp device described in two groups is close to weldering
One end connection driven gear of inner wall at left and right sides of case is connect, and driven gear is engaged in the top of driving gear, it is described solid
Hydraulic telescopic rod is arranged in the inner cavity top of fixed shell, and the output end of the hydraulic telescopic rod is connected to welding rifle, the set casing
Protective shell is arranged in the inner cavity top of body, and movable block is arranged in the front end activity of the protective shell, and the front end of protective shell is arranged and lives
Connecting rod, and the right end connection of connecting rod is arranged in the matched open slot of motion block, the output end outer right wall of the hydraulic telescopic rod
Movable block, the bottom connection polishing motor of the movable block, the output end of the polishing motor connect rotary shaft, the rotary shaft
Bottom connect mill, equal activity setting electric telescopic rod at left and right sides of the intracavity bottom of the fixed shell is described electronic to stretch
The top of contracting bar connects spacing gearing, and the top movable of the spacing gearing connects transmission gear, the set casing
Servo motor is respectively provided at left and right sides of the rear end inner wall of body, and the output end of servo motor connects roller bearing, the front end of the roller bearing
Transmission gear is connected, the left and right sides inner wall of the fixed shell is respectively provided with baffle, and baffle plate setting is in spacing gearing
Top, the equal grafting steel pipe in the left and right sides of the fixed shell.
Preferably, the spacing gearing includes the cylinder being arranged at the top of electric telescopic rod, the inner cavity of the cylinder
Backing plate is arranged in bottom, and roller is uniformly arranged at the top of the backing plate, is respectively provided with pull rod at left and right sides of the top of the cylinder, described
The bottom of pull rod extends to the inner cavity of cylinder and connection fixing block, is respectively provided with spring, and bullet at left and right sides of the top of the cylinder
The top connecting rod of spring.
Preferably, the clamp device includes the fastening outer ring that welding box cavity is arranged in, the inner wall of the fastening outer ring
It is uniformly arranged four groups of support rods, the other end connection fastening inner ring of the support rod, and driven tooth is arranged in the front end for fastening inner ring
Wheel, uniformly four groups of limit supporting plates are arranged in activity to the inner wall of the fastening inner ring, and the limit supporting plate is close to fastening inner ring inner wall
One end connects motion bar, and the other end of the motion bar extends in the interlayer of fastening inner ring and fastening outer ring, the motion bar
The other end connect panelling, the panelling close to fastening outer ring one end connect adjustable spring, and adjustable spring the other end connect
Connect fastening outer ring.
Preferably, the outer wall of the transmission gear is uniformly arranged conical tooth, and the top setting of the spacing gearing is recessed
Slot, and the bottom of groove is uniformly arranged and the matched tooth socket of conical tooth.
Preferably, it is respectively provided with sliding slot at left and right sides of the intracavity bottom of the fixed shell, and the bottom of electric telescopic rod is set
It sets and the matched sliding block of sliding slot.
Preferably, annular groove is arranged in the inner wall of the welding case, and the outer wall of two sides up and down of clamp device is respectively provided with and ring
The matched slide bar of shape slot.
Preferably, limit lantern ring is respectively provided at the top of pull rod described in two groups, the top setting activity setting of the cylinder is shaken
Bar, and the swinging end activity of rocking bar is plugged in limit lantern ring.
A kind of welding method of industrial machinery steel pipe fixed-position welding device:
S1: can check device run well, and motor, servo motor and polishing motor are passed through control switch and power supply
Work is connected, can operated motor inspection drive clamp device rotary motion, and operating servo motor drives roller bearing rotation, checks energy
Enough spacing gearing is driven to be moved forward and backward, operating polishing motor inspection is able to drive mill rotation, the inspection of operation of electrically driven telescopic rod
Can look into drive spacing gearing to move up and down, and can operating hydraulic telescopic rod inspection drive welding rifle and movable block downward
It is mobile；
S2: operation of electrically driven telescopic rod is fixed with spacing gearing, and spacing gearing is pushed to rise through baffle limitation
Movement position first pulls up pull rod, pulls fixed block to rise by pull rod, then steel pipe is inserted into spacing gearing
Chamber, after steel pipe is plugged in spacing gearing, releasing lever, fixed block is moved downward by spring, so that steel pipe be consolidated
It is scheduled in spacing gearing, operating servo motor drives roller bearing rotation, roller bearing band nutating gear rotary motion, transmission gear
Spacing gearing movement is pushed, is docked so that steel pipe be made to pass through clamp device, can be limited by clamp device when docking
Determine the precision of steel pipe docking；
S3: steel pipe is inserted into clamp device, is pushed limit supporting plate to move out when steel pipe is inserted into, is limited supporting plate promotion activity
Bar is movable in fastening inner ring, and motion bar provides opposite force to limit supporting plate by adjustable spring and panelling, thus after docking
Steel pipe be fixed in clamp device, after steel pipe is fixed, pulling up pull rod makes fixed block be detached from steel pipe, passes through rocking bar and limit
Lantern ring fixes pull rod, and operating hydraulic telescopic rod is pushed weld rifle and move downward and be welded at docking to steel pipe, operating
Motor drives driving gear rotary motion by shaft, and driving gear and driven gear cooperative movement drive clamp device rotation,
To drive steel pipe rotary to weld；
S4: after the completion of steel-pipe welding, keep the position rotation for having protrusion at steel-pipe welding upward, steel pipe is fixed on limit again
In the transmission device of position, operating servo motor is rotated by roller bearing band nutating gear, and spacing gearing is made to drive steel pipe to the right
Movement, makes the bottom for being located at mill at steel-pipe welding, and operating polishing motor passes through mill by rotary shaft band movable grinding disc rotary motion
Disk polishes the weld of steel pipe.
Compared with prior art, the beneficial effects of the present invention are:
1, clamp device and spacing gearing are set, the two groups of steel pipes that can be welded needs by spacing gearing
It transmits, is fixed steel pipe by clamp device on the same axis after docking, and motor, which is arranged, to drive clamp device to rotate,
So that steel pipe is completed rotating welding, not only ensure that the welding precision of steel pipe, but also is that steel pipe is more firm in welding,
It is more smooth at docking when making steel-pipe welding, and steel pipe weld together it is stronger；
2, rifle and mill will be welded and rise and fall simultaneously is driven by hydraulic telescopic rod, the steel pipe after the completion of welding can be straight
It connects the bottom of steel pipe movement to mill, can be polished the position of out-of-flatness at steel-pipe welding, will be polished by mill
Work is completed in one apparatus with welding, is simplified operating procedure, is improved work efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is spacing gearing structural schematic diagram of the present invention；
Fig. 3 is clamp device structural schematic diagram of the present invention；
Fig. 4 is protective shell attachment structure schematic diagram of the present invention.
In figure: 1 fixed shell, 2 fixed brackets, 3 welding casees, 4 motors, 5 shafts, 6 driving gears, 7 clamp devices, 71 are tightly
Gu outer ring, 72 fastening inner ring, 73 motion bars, 74 panellings, 75 adjustable springs, 76 limit supporting plates, 77 support rods, 8 driven gears, 9
Slide bar, 10 annular grooves, 11 hydraulic telescopic rods, 12 welding rifles, 13 connecting rods, 14 protective shells, 15 movable blocks, 16 polishing motors, 17
Rotary shaft, 18 mills, 19 spacing gearings, 191 cylinders, 192 backing plates, 193 rollers, 194 pull rods, 195 fixed blocks, 196 bullets
Spring, 20 roller bearings, 21 transmission gears, 22 electric telescopic rods, 23 steel pipes, 24 baffles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of industrial machinery steel pipe fixed-position welding device, packet
Fixed shell 1 is included, the intracavity bottom of fixed shell 1 is arranged fixed bracket 2, fixes the opposing end surface connecting welding case 3 of bracket 2,
The left and right sides inner wall of welding case 3 is respectively provided with motor 4, and the other end of the output connection rotating shaft 5 of motor 4, shaft 5 connects actively
Gear 6, the inner cavity of welding case 3 are flexibly connected two groups of clamp devices 7, and two groups of clamp devices 7 are close to welding 3 left and right sides inner wall of case
One end be all connected with driven gear 8, and driven gear 8 is engaged in the top of driving gear 6, the inner cavity top of fixed shell 1
Hydraulic telescopic rod 11 is arranged in portion, and the output end of hydraulic telescopic rod 11 is connected to welding rifle 12, the inner cavity top setting of fixed shell 1
Protective shell 14, movable block 15 is arranged in the front end activity of protective shell 14, and the front end setting of protective shell 14 is matched with movable block 15
Open slot, connecting rod 13 is arranged in the output end outer right wall of hydraulic telescopic rod 11, and the right end of connecting rod 13 connects movable block 15,
The bottom connection polishing motor 16 of movable block 15, the output end of polishing motor 16 connect rotary shaft 17, and the bottom of rotary shaft 17 connects
Mill 18 is connect, electric telescopic rod 22, the top of electric telescopic rod 22 is arranged in activity at left and right sides of the intracavity bottom of fixed shell 1
Spacing gearing 19 is connected, the top movable of spacing gearing 19 connects transmission gear 21, the rear end inner wall of fixed shell 1
The left and right sides is respectively provided with servo motor, and the output end of servo motor connects roller bearing 20, and the front end of roller bearing 20 connects transmission gear
21, the left and right sides inner wall of fixed shell 1 is respectively provided with baffle 24, and the top of spacing gearing 19 is arranged in baffle 24, Gu
The equal grafting steel pipe 23 in the left and right sides of fixed shell 1.
Wherein, spacing gearing 19 includes the cylinder 191 that 22 top of electric telescopic rod is arranged in, the inner cavity of cylinder 191
Backing plate 192 is arranged in bottom, and the top of backing plate 192 is uniformly arranged roller 193, is respectively provided with pull rod at left and right sides of the top of cylinder 191
194, the bottom of pull rod 194 extends to the inner cavity of cylinder 191 and connection fixing block 195, is respectively provided at left and right sides of the top of cylinder 1
Spring 196, and the top connecting rod 194 of spring 196 can drive steel pipe by the roller 193 in spacing gearing 19
23 transmissions drive fixed block 195 to move by pull rod 194, and steel pipe 23 can be fixed on limit by spring 196 by fixed block 195
In the transmission device 19 of position, guarantee the precision of 23 weld of steel pipe docking；
Clamp device 7 includes the fastening outer ring 71 that welding 3 inner cavity of case is arranged in, and the inner wall of fastening outer ring 71 is uniformly arranged four
Group support rod 77, the other end connection fastening inner ring 72 of support rod 77, and driven gear 8 is arranged in the front end for fastening inner ring 72, tightly
Gu uniformly four groups of limit supporting plates 76 of activity setting, limit supporting plate 76 connect the inner wall of inner ring 72 close to one end of fastening 72 inner wall of inner ring
Lever of taking over a job 73, the other end of motion bar 73 extend to fastening inner ring 72 and fasten outer ring 71 interlayer in, motion bar 73 it is another
One end connects panelling 74, and panelling 74 connects adjustable spring 75, and the other end of adjustable spring 75 close to one end of fastening outer ring 71
Steel pipe 23 can be fixed in welding by clamp device 7, pass through limit supporting plate 76 and motion bar 73 by connection fastening outer ring 71
Steel pipe 23 can be made to strut automatically in grafting, and can be fixed on steel pipe 23 on limit supporting plate 76 by adjustable spring 75；
The outer wall of transmission gear 21 is uniformly arranged conical tooth, the top setting groove of spacing gearing 19, and groove
Bottom be uniformly arranged with the matched tooth socket of conical tooth, movement is matched in tooth socket by tapered teeth, allows 21 band of transmission gear
Dynamic spacing gearing 19 moves left and right；
Sliding slot, and bottom setting and the sliding slot of electric telescopic rod 12 are respectively provided at left and right sides of the intracavity bottom of fixed shell 1
Matched sliding block is slided in sliding slot by sliding block, and electric telescopic rod 12 is allow to facilitate sliding on fixed shell 1；
Annular groove 10 is arranged in the inner wall for welding case 3, and the outer wall of two sides up and down of clamp device 7 is respectively provided with and matches with annular groove
Slide bar 9, the rotational slide in annular groove 10 of slide bar 9, by clamp device 7 be fixed on welding case 3 in while, make clamp device
7 can the rotary motion in welding case 3；
The top of two groups of pull rods 194 is respectively provided with limit lantern ring, and rocking bar, and rocking bar is arranged in the top setting activity of cylinder 191
Swinging end activity be plugged on limit lantern ring in, setting rocking bar and limit lantern ring, limit sleeve circumferential direction on draw high after by rocking bar can
With fixation, fixed block 195 is made to be detached from steel pipe 23.
A kind of welding method of industrial machinery steel pipe fixed-position welding device:
S1: can check device run well, by motor 4, servo motor and polishing motor 16 by control switch with
Power supply connects work, and can the inspection of operated motor 4 drive 7 rotary motion of clamp device, and operating servo motor drives roller bearing 20 to revolve
Turn, inspection is able to drive the back-and-forth motion of spacing gearing 19, and the operating polishing inspection of motor 16 is able to drive the rotation of mill 18, fortune
Can turn the inspection of electric telescopic rod 22 drive spacing gearing 19 to move up and down, and can the operating inspection of hydraulic telescopic rod 11 drive
Welding rifle 12 moved down with movable block 15；
S2: operation of electrically driven telescopic rod 22 and spacing gearing 19 are fixed, and spacing gearing 19 is pushed to rise through gear
Plate 24 limits movement position, first pulls up pull rod 194, pulls fixed block 195 to rise by pull rod 194, then by steel pipe 23
It is inserted into the inner cavity of spacing gearing 19, after steel pipe 23 is plugged in spacing gearing 19, releasing lever 194, fixed block
195 are moved downward by spring 196, so that steel pipe 23 is fixed in spacing gearing 19, operating servo motor drives rolling
Axis 20 rotates, and roller bearing 20 is with 21 rotary motion of nutating gear, and transmission gear 21 pushes spacing gearing 19 to move, to make
Steel pipe 23 passes through clamp device 7 and is docked, and can limit the precision of the docking of steel pipe 23 when docking by clamp device 7；
S3: steel pipe 23 is inserted into clamp device 7, is pushed limit supporting plate 76 to move out when steel pipe 23 is inserted into, is limited supporting plate
76 push the activity in fastening inner ring 72 of motion bar 73, and motion bar 73 is mentioned by 74 pairs of limit supporting plates 76 of adjustable spring 75 and panelling
For opposite force, so that the steel pipe 23 after docking is fixed in clamp device 7, after steel pipe 23 is fixed, pulling up pull rod 194 makes
Fixed block 195 is detached from steel pipe 23, by rocking bar and limit lantern ring that pull rod 194 is fixed, and operating hydraulic telescopic rod 11 pushes weldering
It connects rifle 12 and moves downward and welded at the docking to steel pipe 23, operated motor 4 drives the rotation fortune of driving gear 6 by shaft 5
Dynamic, driving gear 6 and 8 cooperative movement of driven gear drive clamp device 7 to rotate, to drive 23 rotating welding of steel pipe；
S4: after the completion of steel pipe 23 welds, the position rotation for making 23 weld of steel pipe have protrusion upwards, again consolidates steel pipe 23
It is scheduled in spacing gearing 19, operating servo motor is rotated by roller bearing 20 with nutating gear 21, and spacing gearing is made
19 drive steel pipes 23 move right, and 23 weld of steel pipe is made to be located at the bottom of mill 18, and operating polishing motor 16 passes through rotary shaft
17 band 18 rotary motions of movable grinding disc, are polished the weld of steel pipe 23 by mill 18.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of industrial machinery steel pipe fixed-position welding device, including it is fixed shell (1), it is characterised in that: the fixed shell
(1) fixed bracket (2), the opposing end surface connecting welding case (3) of the fixed bracket (2), the welding is arranged in intracavity bottom
The left and right sides inner wall of case (3) is respectively provided with motor (4), the output connection rotating shaft (5) of the motor (4), the shaft (5)
The other end connects driving gear (6), and the inner cavity of welding case (3) is flexibly connected two groups of clamp devices (7), fastens described in two groups
One end of device (7) inner wall at left and right sides of welding case (3) connects driven gear (8), and driven gear (8) is engaged in
Hydraulic telescopic rod (11) are arranged in the inner cavity top at the top of driving gear (6), the fixed shell (1), the hydraulic telescopic rod
(11) output end is connected to welding rifle (12), and protective shell (14) are arranged in the inner cavity top of the fixed shell (1), the protection
Movable block (15) are arranged in the front end activity of shell (14), and the front end setting and movable block (15) matched opening of protective shell (14)
Connecting rod (13) are arranged in the output end outer right wall of slot, the hydraulic telescopic rod (11), and the right end of connecting rod (13) is connected and lived
The output end of motion block (15), bottom connection polishing motor (16) of the movable block (15), polishing motor (16) connects rotation
The bottom of shaft (17), the rotary shaft (17) connects mill (18), at left and right sides of the intracavity bottom of the fixed shell (1)
The top of activity setting electric telescopic rod (22), the electric telescopic rod (22) connects spacing gearing (19), the limit
The top movable of transmission device (19) connects transmission gear (21), is all provided at left and right sides of the rear end inner wall of the fixed shell (1)
Servo motor is set, and the output end of servo motor connects roller bearing (20), the front end of the roller bearing (20) connects transmission gear (21),
The left and right sides inner wall of the fixed shell (1) is respectively provided with baffle (24), and baffle (24) is arranged in spacing gearing (19)
Top, the equal grafting steel pipe (23) in the left and right sides of the fixed shell (1).
2. a kind of industrial machinery steel pipe fixed-position welding device according to claim 1, it is characterised in that: the limit passes
Dynamic device (19) include the cylinder (191) being arranged at the top of electric telescopic rod (22), the intracavity bottom setting of the cylinder (191)
Backing plate (192) is uniformly arranged roller (193) at the top of the backing plate (192), at left and right sides of the top of the cylinder (191)
It is arranged pull rod (194), the bottom of the pull rod (194) extends to the inner cavity of cylinder (191) and connection fixing block (195), described
It is respectively provided with spring (196) at left and right sides of the top of cylinder (191), and the top connecting rod (194) of spring (196).
3. a kind of industrial machinery steel pipe fixed-position welding device according to claim 1, it is characterised in that: the fastening dress
Setting (7) includes fastening outer ring (71) of the setting in welding case (3) inner cavity, and the inner wall of fastening outer ring (71) is uniformly arranged four groups
Support rod (77), the support rod (77) the other end connection fastening inner ring (72), and fasten inner ring (72) front end setting from
Moving gear (8), uniformly four groups of limit supporting plates (76), the limit supporting plate (76) is arranged in activity to the inner wall of fastening inner ring (72)
One end close to fastening inner ring (72) inner wall connects motion bar (73), and the other end of the motion bar (73) extends to fastening inner ring
(72) and in the interlayer of fastening outer ring (71), the other end of the motion bar (73) connects panelling (74), and the panelling (74) is leaned on
One end of nearly fastening outer ring (71) connects adjustable spring (75), and other end connection fastening outer ring (71) of adjustable spring (75).
4. a kind of industrial machinery steel pipe fixed-position welding device according to claim 1, it is characterised in that: the driving cog
The outer wall of wheel (21) is uniformly arranged conical tooth, and groove is arranged in the top of the spacing gearing (19), and the bottom of groove is equal
Even setting and the matched tooth socket of conical tooth.
5. a kind of industrial machinery steel pipe fixed-position welding device according to claim 1, it is characterised in that: the set casing
Sliding slot, and bottom setting and the matched sliding block of sliding slot of electric telescopic rod (22) are respectively provided at left and right sides of the intracavity bottom of body (1).
6. a kind of industrial machinery steel pipe fixed-position welding device according to claim 1, it is characterised in that: the welding case
(3) annular groove (10) are arranged in inner wall, and the outer wall of two sides up and down of clamp device (7) is respectively provided with and the matched slide bar of annular groove
(9).
7. a kind of industrial machinery steel pipe fixed-position welding device according to claim 2, it is characterised in that: drawn described in two groups
Limit lantern ring is respectively provided at the top of bar (194), rocking bar, and the swing of rocking bar is arranged in the top setting activity of the cylinder (191)
End activity is plugged in limit lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075752.4U CN208556506U (en) | 2018-07-09 | 2018-07-09 | A kind of industrial machinery steel pipe fixed-position welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821075752.4U CN208556506U (en) | 2018-07-09 | 2018-07-09 | A kind of industrial machinery steel pipe fixed-position welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208556506U true CN208556506U (en) | 2019-03-01 |
Family
ID=65490198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821075752.4U Expired - Fee Related CN208556506U (en) | 2018-07-09 | 2018-07-09 | A kind of industrial machinery steel pipe fixed-position welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208556506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927302A (en) * | 2019-05-13 | 2019-06-25 | 天台都领自动化技术有限公司 | A kind of automatic plastic pipe hot melt is to welding machine |
-
2018
- 2018-07-09 CN CN201821075752.4U patent/CN208556506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927302A (en) * | 2019-05-13 | 2019-06-25 | 天台都领自动化技术有限公司 | A kind of automatic plastic pipe hot melt is to welding machine |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190425 Address after: 130031 No. 1079 Lingdong Road, Erdao District, Changchun City, Jilin Province Patentee after: Changchun Yatai Thermal Power Co., Ltd. Address before: 611630 1, 1, 1, Pu Yan Street, Heshan Town, Pujiang, Chengdu, Sichuan. Patentee before: CHENGDU PUJIANG KEXIAN TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |