CN205599715U - Body pipe bending mechanism that heat exchanger was used - Google Patents
Body pipe bending mechanism that heat exchanger was used Download PDFInfo
- Publication number
- CN205599715U CN205599715U CN201620302129.2U CN201620302129U CN205599715U CN 205599715 U CN205599715 U CN 205599715U CN 201620302129 U CN201620302129 U CN 201620302129U CN 205599715 U CN205599715 U CN 205599715U
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- Prior art keywords
- fixed
- steel pipe
- storage tank
- cylinder
- pipe
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Abstract
The utility model discloses a body pipe bending mechanism that heat exchanger was used, which comprises a base, a storage tank has been seted up on the up end of base, be equipped with the swan neck system in the storage tank, be equipped with a clamping device on the base of storage tank rear side, be equipped with the 2nd clamping device on the base of storage tank front side, the swan neck system is including articulating columniform roating seat, the drive on the storage tank diapire roating seat pivoted drive unit, setting are led to the guide unit of inslot and are fixed the unit that compresses tightly on the roating seat in the middle part of the roating seat, a clamping device includes first connecting seat, first centre gripping cylinder, first fixed plate and first steel pipe, the 2nd clamping device includes the arc guide rail corresponding with cylindrical roating seat, sets up arc slide on the arc guide rail, fix second connecting seat, second centre gripping cylinder, second fixed plate and second steel pipe on the arc slide. The utility model discloses can bend the pipe fitting automatically, it is effectual to bend, efficient.
Description
Technical field:
This utility model belongs to technical field of heat exchangers, specifically relates to a kind of heat exchanger
Body pipe bending mechanism.
Background technology:
Mostly traditional finned heat exchanger is by metal fin, and the long U of red copper is curved, the little U of red copper
Curved, upper bottom plate, red copper inlet/outlet pipe form；Use machinery expander mode by metal fin
U long with red copper bend into row interference be combined reach reduce thermal-conduction resistance；Use the little U of red copper curved with
The long U of red copper bends into row cross weld and connects refrigerant flow circuit path.But this structure has more
The existence of pad, the probability causing heat exchanger to produce cold-producing medium leakage increases, and causes environment
Pollute and the wasting of resources, cause refrigeration system to fill inefficacy simultaneously, cause refrigeration system to lose efficacy according to statistics
60% be above pad leakage.In order to solve the existing two kinds of solutions one of the problems referred to above
Being small pieces finned heat exchangers, heat exchanger tube therein is a tubular structure, thus makes making
Time need to carry out pipe fitting bending, existing mode typically uses artificial bending, and artificial bending is imitated
Rate is low, and artificial bending is easily damaged or bending is not in place, affects making of finished product pipe fitting
With.
Utility model content:
The purpose of this utility model aims to solve the problem that the problem that prior art exists, it is provided that one can be certainly
Dynamic by pipe fitting bending, bending is effective, the body pipe bending mechanism of the heat exchanger that efficiency is high.
This utility model relates to the body pipe bending mechanism of a kind of heat exchanger, including pedestal, described
Offer a storage tank on the upper surface of pedestal, in described storage tank, be provided with swan neck system, accommodating
Pedestal on rear side of groove is provided with the first clamping device, and the pedestal on front side of storage tank is provided with the second folder
Hold device；
Described swan neck system includes cylindrical rotating seat, the driving being hinged on storage tank diapire
Described rotating seat rotate driver element, the pilot unit being arranged in the middle part of rotating seat in groove and
The compressing unit being fixed on rotating seat, described driver element includes that fixed cover is located at outside rotating seat
Driving gear and output shaft that gear ring on wall engages with described gear ring are connected described driving gear
Driving motor, connecting shaft that described pilot unit includes being hinged on storage tank diapire, hinged
Two guide pads in described connecting shaft, it is respectively hinged on said two guide pad medial wall
Two pull bars and all hinged with two pull bars cylinder of piston rod, connecting shaft and guide pad upper
End all stretches out the groove of rotating seat, the sidewall of guide pad forms the annular coordinated with pipe fitting recessed
Groove, described compressing unit includes the base plate being fixed on rotating seat upper surface, is fixed on the described end
Compression cylinder connecting plate on plate, the compression cylinder being fixed on described compression cylinder connecting plate and
The block that is pressed against being fixed on the piston rod of described compression cylinder, the piston rod of compression cylinder is through pressure
Tight cylinder connecting plate also fixing is pressed against block, described in be pressed against block and face toward form on the sidewall of guide pad
The blocked socket corresponding with described annular groove；
Described first clamping device includes a connecting seat, the first gripper cylinder, the first fixed plate
With the first steel pipe, described first gripper cylinder is fixed on a connecting seat, the first gripper cylinder
Piston rod through a connecting seat be fixed with described first fixed plate, described first steel pipe
One end is fixed in the first fixed plate, and the hollow bulb of the first steel pipe matches with pipe fitting；
Described second clamping device includes the arc-shaped guide rail corresponding with column shaped rotating seat, setting
Arc skateboard on described arc-shaped guide rail, second be fixed on described arc skateboard connection
Seat, the second gripper cylinder, the second fixed plate and the second steel pipe, described second gripper cylinder is fixed
Connecting on seat second, the piston rod of the second gripper cylinder is through the second connection seat and fixes
Stating the second fixed plate, one end of described second steel pipe is fixed in the second fixed plate, the second steel pipe
Hollow bulb match with pipe fitting.
By technique scheme, this utility model in use, first will treat the pipe fitting of bending
Rear end sleeve in the hollow bulb of the first steel pipe of the first clamping device, it is possible to bending will be treated
Pipe fitting rear end is placed in the front side of the first steel pipe, then starts the first gripper cylinder, the first clamping gas
The piston rod of cylinder stretches and drives the first fixed plate and the first steel pipe to move forward, until the first steel pipe
Hollow bulb insert pipe fitting rear end；Then, the compression cylinder of the compressing unit of pipe bending mechanism is moved
Making, the piston rod stretching, extension promotion of compression cylinder is pressed against block and is moved towards pipe fitting, until before pipe fitting
Portion is clamped between the annular groove of the guide pad being pressed against the blocked socket of block and pilot unit；
Then, the arc skateboard of mobile second clamping device, it is allowed to drive the second steel pipe thereon to move to
The side of pipe fitting front end, starts the second gripper cylinder, and the piston rod of the second gripper cylinder stretches band
Dynamic second fixed plate and the second steel pipe move forward, until the hollow bulb of the second steel pipe inserts pipe fitting
Front end, thus, before and after pipe fitting, two ends are all lived by steel pipe clamping, and the front portion of pipe fitting is compacted
Unit compresses, in order to pipe fitting carries out bending；Afterwards, the driving motor of driver element drives,
Driving and drive pinion rotation, drive the ring gear against rotation that gear driven is engaged with, gear ring drives rotation
Swivel base rotates, and rotating seat drives compressing unit fixed thereon to rotate together, thus drives pipe
Part carries out bending, when bending, and two guide pad open-shaped states in connecting shaft, thus protect
Card pipe fitting bending arc is complete, and in Forging Process, the second steel pipe holds the front end of pipe fitting all the time,
Along with the bending of pipe fitting, arc skateboard is showed arc-shaped guide rail at arc-shaped guide rail and is slided, until sliding
To the other end of arc-shaped guide rail, now, pipe fitting also bending completes, the bending of the pipe fitting after bending
The annular groove of guide pad is close in portion, and the pipe fitting after bending takes the shape of the letter U shape；After bending completes,
The piston rod retraction of the cylinder of pilot unit, drives two pull bars to move down, and pull bar pulls two
Individual guide pad is drawn close, so that the annular groove of guide pad leaves the bending part of pipe fitting, afterwards,
The piston rod making the first gripper cylinder and the second gripper cylinder respectively bounces back, drive the first steel pipe and
The hollow bulb of the second steel pipe slowly detaches the two ends of pipe fitting, treat the first steel pipe and the second steel pipe all from
After open pipe part, it is possible to the pipe fitting after bending is taken out.
By such scheme, body pipe bending mechanism of the present utility model can automatically by pipe fitting bending,
Bending is effective, and efficiency is high.
One as such scheme is preferred, the hollow bulb diameter of described first steel pipe, the second steel
The hollow bulb diameter of pipe and the external diameter of pipe fitting are the most equal, on the hollow bulb inwall of the first steel pipe and
The spiral type anti-slip veins preventing pipe fitting from sliding all is formed on the hollow bulb inwall of the second steel pipe.
One as such scheme is preferred, described first fixed plate is fixed with about two and arranges
First steel pipe of row, described second fixed plate is fixed with two the second steel pipes being arranged above and below；
The quantity of the annular groove on the guide pad of described pilot unit is two be arranged above and below, described
The quantity of the blocked socket being pressed against on block of compressing unit is also for corresponding two.By above-mentioned side
Case, by being clamped in two first steel pipes and two respectively by the front-end and back-end of two pipe fittings
On two steel pipes, the front portion of two pipe fittings is pressed on two annular grooves and two blocked sockets it
Between, two pipe fittings can be carried out bending simultaneously, improve the bending efficiency of pipe fitting.
One as such scheme is preferred, and the arc-shaped guide rail of described second clamping device is from pedestal
Front end extend to the rear end of pedestal.
One as such scheme is preferred, and the cylinder of described pilot unit is fixed on storage tank
On diapire, the piston rod of cylinder is straight up.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand
Technological means of the present utility model, and can be practiced according to the content of description, below with this
The preferred embodiment of utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing illustrates:
The following drawings is only intended to, in schematically illustrating this utility model and explaining, not limit
Scope of the present utility model.Wherein:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is the structural representation of pilot unit in this utility model；
Fig. 4 is the first fixed plate and the structural representation of the second fixed plate in this utility model；
Fig. 5 is the first steel pipe and the structural representation of the second steel pipe in this utility model；
Fig. 6 is working state schematic representation of the present utility model.
Detailed description of the invention:
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is made further
Describe in detail.Following example are used for illustrating this utility model, but it is new to be not limited to this practicality
The scope of type.
See Fig. 1, the body pipe bending mechanism of a kind of heat exchanger described in the utility model, bag
Include pedestal 10, the upper surface of described pedestal offers a storage tank 11, in described storage tank
Being provided with swan neck system 20, the pedestal 10 on rear side of storage tank 11 is provided with the first clamping device 30,
Pedestal 10 on front side of storage tank 11 is provided with the second clamping device 40.
Seeing Fig. 1 to Fig. 3, described swan neck system 20 includes being hinged on storage tank 11 diapire
Cylindrical rotating seat 21, drive driver element 22 that described rotating seat rotates, be arranged on
Pilot unit 23 in groove 211 and the pressure being fixed on rotating seat 21 in the middle part of rotating seat 21
Tight unit 24, described driver element 22 includes the tooth that fixed cover is located on rotating seat 21 outer wall
Circle 221 is connected described driving gear with driving gear 222 and the output shaft of the engagement of described gear ring
Driving motor 223, described pilot unit 23 includes the company being hinged on storage tank 11 diapire
Spindle 231, two guide pads 232 being hinged in described connecting shaft, be respectively hinged at described
Two pull bars 233 and piston rod on two guide pad medial walls are all hinged with two pull bars
Cylinder 234, described cylinder is fixed on the diapire of storage tank 11, the piston rod of cylinder 234
Straight up, the groove of rotating seat 21 is all stretched out in the upper end of connecting shaft 231 and guide pad 232
211, the sidewall of guide pad 232 forms the annular groove 235 coordinated with pipe fitting 90, institute
State compressing unit 24 to include the base plate 241 being fixed on rotating seat 21 upper surface, be fixed on institute
State the compression cylinder connecting plate 242 on base plate, the pressure being fixed on described compression cylinder connecting plate
Tight cylinder 243 and be fixed on the piston rod of described compression cylinder be pressed against block 244, compress gas
The piston rod of cylinder 243 through compression cylinder connecting plate 242 and fix be pressed against block 244, described pressure
On the sidewall of guide pad 232, the card corresponding with described annular groove 235 is formed by block
Put groove 245.
Seeing Fig. 1, described first clamping device 30 includes that a connecting seat 31, first clamps
Cylinder the 32, first fixed plate 33 and the first steel pipe 34, described first gripper cylinder 32 is fixed
On a connecting seat 31, the piston rod of the first gripper cylinder 32 passes a connecting seat 31
And it being fixed with described first fixed plate 33, it is solid that one end of described first steel pipe 34 is fixed on first
Determining on plate 33, the hollow bulb 341 of the first steel pipe 34 matches with pipe fitting 90.
Seeing Fig. 1, Fig. 3, Fig. 4, described second clamping device 40 includes and column shaped rotating
Seat 21 corresponding arc-shaped guide rails 41, the arc skateboard 42 being arranged on described arc-shaped guide rail,
Second connection seat the 43, second gripper cylinder 44, second being fixed on described arc skateboard is solid
Determining plate 45 and the second steel pipe 46, described arc-shaped guide rail 41 extends to base from the front end of pedestal 10
The rear end of seat 10, described second gripper cylinder 44 is fixed on the second connection seat 43, and second
The piston rod of gripper cylinder 44 is through the second connection seat 43 and is fixed with described second fixed plate
45, one end of described second steel pipe 46 is fixed in the second fixed plate 45, the second steel pipe 46
Hollow bulb 461 match with pipe fitting 90.
See Fig. 1, Fig. 3, Fig. 4, hollow bulb 341 diameter of described first steel pipe 34,
Hollow bulb 461 diameter of two steel pipes 46 and the external diameter of pipe fitting 90 are the most equal, the first steel pipe
All form on hollow bulb 341 inwall of 34 and on hollow bulb 461 inwall of the second steel pipe 46
Place the spiral type anti-slip veins 50 that pipe fitting 90 slides.
See Fig. 2, Fig. 4, described first fixed plate 33 is fixed with two be arranged above and below
One steel pipe 34, described second fixed plate 45 is fixed with two the second steel pipes 46 being arranged above and below；
The quantity of the annular groove 235 on the guide pad 232 of described pilot unit 23 is for being arranged above and below
Two, the quantity of the blocked socket 245 being pressed against on block 244 of described compressing unit 24 is also
For corresponding two.
Seeing Fig. 6, this utility model in the specific implementation, first will treat the pipe fitting 90 of bending
Rear end sleeve in the hollow bulb 461 of the first steel pipe 46 of the first clamping device 40, it is possible to
End after 90s for the pipe fitting treating bending is placed in the front side of the first steel pipe 34, then starts the first clamping
Cylinder 32, the piston rod of the first gripper cylinder 32 stretches and drives the first fixed plate 33 and first
Steel pipe 34 moves forward, until after the hollow bulb 341 of the first steel pipe 34 inserts pipe fitting 90
End；Then, compression cylinder 243 action of the compressing unit 24 of pipe bending mechanism 20, compress gas
The piston rod stretching, extension promotion of cylinder 243 is pressed against block 244 and is moved towards pipe fitting 90, until pipe fitting 90
Front portion be clamped in blocked socket 245 and the guide pad of pilot unit 23 being pressed against block 244
Between the annular groove 235 of 232；Then, the arc skateboard of the second clamping device 40 is moved
41, it is allowed to the side driving the second steel pipe 46 thereon to move to pipe fitting 90 front end, starts second
Gripper cylinder 44, the piston rod of the second gripper cylinder 44 stretches and drives the second fixed plate 45 He
Second steel pipe 46 moves forward, until the hollow bulb 461 of the second steel pipe 46 inserts pipe fitting 90
Front end, thus, before and after pipe fitting 90, two ends are all lived by steel pipe clamping, the front portion of pipe fitting 90
Compacted unit 24 compresses, in order to pipe fitting 90 carries out bending；Afterwards, driver element
The driving motor 223 of 22 drives, and drives and drives gear 222 to rotate, and drives gear 222 to carry
The dynamic gear ring 221 being engaged with rotates, and gear ring 221 is rotated seat 21 and rotates, rotating seat
21 drive compressing unit 24 fixed thereon to rotate together, thus drive pipe fitting 90 to carry out
Bending, when bending, two guide pad 232 open-shaped states in connecting shaft 231, thus
Ensureing that pipe fitting 90 bending arc is complete, in Forging Process, the second steel pipe 46 holds pipe all the time
The front end of part 90, along with the bending of pipe fitting 90, arc skateboard 42 is showed at arc-shaped guide rail 41
Arc-shaped guide rail 41 to slide, until sliding to the other end of arc-shaped guide rail 41, now, pipe fitting
90 also bending complete, the annular that the bending part of the pipe fitting 90 after bending is close to guide pad 232 is recessed
Groove 235, the pipe fitting 90 after bending takes the shape of the letter U shape.
After bending completes, the piston rod retraction of the cylinder of pilot unit 23, drive two pull bars
233 move down, and pull bar 233 pulls two guide pads 232 to draw close, so that guide pad 232
Annular groove 235 leave the bending part of pipe fitting 90, afterwards, make the first gripper cylinder respectively
32 and second gripper cylinder 44 piston rod retraction, drive the first steel pipe 34 and the second steel pipe
The hollow bulb of 46 slowly detaches the two ends of pipe fitting 90, treats the first steel pipe 34 and the second steel pipe 46
It is away from pipe fitting after 90s, it is possible to taken out by the pipe fitting 90 after bending.
In sum, body pipe bending mechanism of the present utility model can be automatically by pipe fitting bending, bending
Effective, efficiency is high.
The body pipe bending mechanism of heat exchanger provided by the utility model, only this utility model
Detailed description of the invention, but protection domain of the present utility model is not limited thereto, and any is familiar with
Those skilled in the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within this utility model protection domain.Therefore, this practicality is new
The protection domain of type should be as the criterion with described scope of the claims.
Claims (6)
1. a body pipe bending mechanism for heat exchanger, including pedestal (10), it is characterised in that:
A storage tank (11) is offered on the upper surface of described pedestal (10), swan neck system (20) it is provided with in described storage tank, the pedestal (10) of storage tank (11) rear side is provided with the first clamping device (30), and the pedestal (10) of storage tank (11) front side is provided with the second clamping device (40)；
nullDescribed swan neck system (20) includes the cylindrical rotating seat (21) being hinged on storage tank (11) diapire、Drive the driver element (22) that described rotating seat rotates、It is arranged on the pilot unit (23) in rotating seat (21) middle part groove (211) and the compressing unit (24) being fixed on rotating seat (21)，Described driver element (22) includes the gear ring (221) that fixed cover is located on rotating seat (21) outer wall、The driving gear (222) engaged with described gear ring and output shaft are connected the driving motor (223) of described driving gear，Described pilot unit (23) includes the connecting shaft (231) being hinged on storage tank (11) diapire、Two guide pads (232) being hinged in described connecting shaft、The cylinder (234) that two pull bars (233) being respectively hinged on said two guide pad medial wall and piston rod are all hinged with two pull bars，The groove (211) of rotating seat (21) is all stretched out in the upper end of connecting shaft (231) and guide pad (232)，The annular groove (235) coordinated with pipe fitting (90) is formed on the sidewall of guide pad (232)，Described compressing unit (24) includes the base plate (241) being fixed on rotating seat (21) upper surface、The compression cylinder connecting plate (242) being fixed on described base plate、The compression cylinder (243) that is fixed on described compression cylinder connecting plate and be fixed on the piston rod of described compression cylinder be pressed against block (244)，The piston rod of compression cylinder (243) is through compression cylinder connecting plate (242) and fixing is pressed against block (244)，The described block that is pressed against forms the blocked socket (245) corresponding with described annular groove (235) on the sidewall of guide pad (232)；
Described first clamping device (30) includes a connecting seat (31), the first gripper cylinder (32), the first fixed plate (33) and the first steel pipe (34), described first gripper cylinder (32) is fixed on a connecting seat (31), the piston rod of the first gripper cylinder (32) is through a connecting seat (31) and is fixed with described first fixed plate (33), one end of described first steel pipe (34) is fixed in the first fixed plate (33), and the hollow bulb (341) of the first steel pipe (34) matches with pipe fitting (90)；
Described second clamping device (40) includes the arc-shaped guide rail (41) corresponding with column shaped rotating seat (21), the arc skateboard (42) being arranged on described arc-shaped guide rail, the second connection seat (43) being fixed on described arc skateboard, second gripper cylinder (44), second fixed plate (45) and the second steel pipe (46), described second gripper cylinder (44) is fixed on the second connection seat (43), the piston rod of the second gripper cylinder (44) is through the second connection seat (43) and is fixed with described second fixed plate (45), one end of described second steel pipe (46) is fixed in the second fixed plate (45), the hollow bulb (461) of the second steel pipe (46) matches with pipe fitting (90).
The body pipe bending mechanism of heat exchanger the most according to claim 1, it is characterized in that: the external diameter of hollow bulb (341) diameter of described first steel pipe (34), hollow bulb (461) diameter of the second steel pipe (46) and pipe fitting (90) is the most equal, all form, on hollow bulb (341) inwall of the first steel pipe (34) and on hollow bulb (461) inwall of the second steel pipe (46), the spiral type anti-slip veins (50) preventing pipe fitting (90) from sliding.
The body pipe bending mechanism of heat exchanger the most according to claim 1 and 2, it is characterized in that: be fixed with two the first steel pipes (34) being arranged above and below on described first fixed plate (33), described second fixed plate (45) is fixed with two the second steel pipes being arranged above and below.
The body pipe bending mechanism of heat exchanger the most according to claim 3, it is characterized in that: the quantity of the annular groove (235) on the guide pad (232) of described pilot unit (23) is two be arranged above and below, the quantity of the blocked socket (245) being pressed against on block (244) of described compressing unit (24) is also for corresponding two.
The body pipe bending mechanism of heat exchanger the most according to claim 1, it is characterised in that: the arc-shaped guide rail (41) of described second clamping device (40) extends to the rear end of pedestal (10) from the front end of pedestal (10).
The body pipe bending mechanism of heat exchanger the most according to claim 1, it is characterized in that: the cylinder (234) of described pilot unit (23) is fixed on the diapire of storage tank (11), and the piston rod of cylinder (234) is straight up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302129.2U CN205599715U (en) | 2016-04-12 | 2016-04-12 | Body pipe bending mechanism that heat exchanger was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302129.2U CN205599715U (en) | 2016-04-12 | 2016-04-12 | Body pipe bending mechanism that heat exchanger was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205599715U true CN205599715U (en) | 2016-09-28 |
Family
ID=56971740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620302129.2U Expired - Fee Related CN205599715U (en) | 2016-04-12 | 2016-04-12 | Body pipe bending mechanism that heat exchanger was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205599715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728519A (en) * | 2016-04-12 | 2016-07-06 | 湖州科达化工燃料有限公司 | Pipe bending mechanism for heat exchanger |
| CN110355243A (en) * | 2019-08-27 | 2019-10-22 | 海盐汇通智能家居股份有限公司 | A kind of steel tube bending machine |
| CN110586715A (en) * | 2019-09-26 | 2019-12-20 | 宁陵县成事科技服务中心 | Pipe bending equipment for building pipeline |
| CN110788176A (en) * | 2019-10-14 | 2020-02-14 | 青岛海德马克智能装备有限公司 | Pipe bending device and pipe bending method thereof |
-
2016
- 2016-04-12 CN CN201620302129.2U patent/CN205599715U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728519A (en) * | 2016-04-12 | 2016-07-06 | 湖州科达化工燃料有限公司 | Pipe bending mechanism for heat exchanger |
| CN110355243A (en) * | 2019-08-27 | 2019-10-22 | 海盐汇通智能家居股份有限公司 | A kind of steel tube bending machine |
| CN110586715A (en) * | 2019-09-26 | 2019-12-20 | 宁陵县成事科技服务中心 | Pipe bending equipment for building pipeline |
| CN110586715B (en) * | 2019-09-26 | 2020-09-08 | 泉州滨利服饰有限公司 | Pipe bending equipment for building pipeline |
| CN110788176A (en) * | 2019-10-14 | 2020-02-14 | 青岛海德马克智能装备有限公司 | Pipe bending device and pipe bending method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fu Tao Inventor before: Chen Yonglin |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170503 Address after: The first 111000 Liaoyang city of Liaoning province Liaoyang County Xiangyang Industrial Park saddle Yang Street No. 57 Patentee after: Liaoyang Fluid Equipment Manufacturing Co Ltd Address before: 313000 West Road, Wuxing, Zhejiang, Huzhou, No. 128 Patentee before: HUZHOU KEDA CHEMICAL FUEL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20200412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |