CN111168224B - Seamless welding machine - Google Patents
Seamless welding machine Download PDFInfo
- Publication number
- CN111168224B CN111168224B CN202010023396.7A CN202010023396A CN111168224B CN 111168224 B CN111168224 B CN 111168224B CN 202010023396 A CN202010023396 A CN 202010023396A CN 111168224 B CN111168224 B CN 111168224B
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- 238000003466 welding Methods 0.000 title claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 89
- 239000002893 slag Substances 0.000 claims description 19
- 239000003818 cinder Substances 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A seamless welding machine comprises a main body, wherein a welding cavity is arranged in the main body, a matching block is rotatably arranged in the welding cavity and is divided into an upper part and a lower part, the matching blocks which correspond to each other up and down are connected through a screw rod, a welding gear which can drive the matching blocks to rotate is arranged on the outer wall of each matching block, and upper fixing blocks which are symmetrical left and right are slidably arranged in the welding cavity; the welding device has the advantages of simple structure, convenience in operation and maintenance, the welding process of the device is continuous, the integral connection of the metals to be welded is ensured during welding, the welding strength is greatly improved, meanwhile, no personnel intervention is needed during the welding process, the dependence on the welding technology of welding personnel is reduced, the personnel cost is reduced, the welding metal is not subjected to rotary operation during welding, the length range of the metals to be welded is greatly improved, and the applicability of the device is improved, so that the device has higher use and popularization values.
Description
Technical Field
The invention relates to the field of welding, in particular to a seamless welding machine.
Background
With the continuous development of the social infrastructure, metal materials with longer length and higher strength are continuously needed, and then the longer metal materials are difficult to transport and have higher cost;
when the metal material of longer length is used in needs, often adopt the welded mode to expand material length, however, traditional welding mode only can connect both ends metal surface, and welding strength is not high, and is higher to welding personnel's technical requirement, and neotype welding mode extendible length is limited, and applicable scope is lower.
Disclosure of Invention
The object of the present invention is to provide a seamless welding machine which overcomes the above-mentioned drawbacks of the prior art.
A seamless welding machine comprises a main body, wherein a welding cavity is arranged in the main body, a matching block is rotatably arranged in the welding cavity, the matching block is divided into an upper part and a lower part, the upper part and the lower part correspond to each other, the matching block is connected through a screw rod, a welding gear capable of driving the matching block to rotate is arranged on the outer wall of the matching block, a sliding upper fixing block which is symmetrical left and right is arranged in the welding cavity, a lower fixing block which corresponds to the upper fixing block is arranged in the welding cavity, a metal pipe to be welded can be fixed by the lower fixing block and the upper fixing block, a slag removing block used for removing welding waste slag is slidably arranged in the upper fixing block and the lower fixing block, a power cavity is arranged in the wall of the rear side end of the welding cavity, a transmission cavity is arranged in the wall of the right side end of the power cavity, the welding machine is characterized in that a power device for providing power for a welding machine is arranged in the power cavity, a transmission device for transmitting power generated by the power device to each device is arranged in the power cavity, a sliding device capable of sliding metal materials to be welded is arranged in the welding cavity, a slag removing device capable of driving slag removing blocks to slide is arranged in the welding cavity, a fixed cavity is arranged in the upper fixed block, a connecting rod is rotatably arranged in the fixed cavity, the connecting rod is fixedly connected with the lower fixed block, and a fixing device capable of driving the lower fixed block to rotate is arranged in the fixed cavity.
Preferably, the power device comprises a motor arranged in the end wall of the left side of the power cavity, a power shaft in power connection with the motor is arranged in the power cavity, and an inner gear ring for driving the transmission device to rotate is arranged at the right end of the power shaft.
Preferably, the transmission device comprises a central shaft arranged in the power cavity, a rotatable sleeve shaft is arranged on the outer wall of the central shaft, a central gear is arranged at the left end of the central shaft in the power cavity, the central gear is meshed with the inner gear ring through a planetary gear, the planetary gear is rotatably arranged on the outer wall of the sleeve shaft, a transmission gear is arranged at the right end of the sleeve shaft in the transmission cavity, an output gear meshed with the welding gear is arranged at the right end of the central shaft in the transmission cavity, the matching block can be driven to rotate through the welding gear, a transmission shaft is arranged in the transmission cavity, an input gear is arranged on the outer wall of the transmission shaft, the input gear is meshed with the transmission gear through a transmission gear, a driving bevel gear capable of driving the sliding device to slide is arranged at the tail end of the transmission shaft in the first sliding cavity, and a driving belt wheel capable of driving the slag removing device to rotate is arranged on the outer wall of the input gear.
Preferably, the sliding device comprises a sliding shaft arranged in the first sliding cavity, a driven bevel gear meshed with the driving bevel gear is arranged at the rear end of the sliding shaft in the first sliding cavity, a slidable sliding ejector rod is arranged in the welding cavity, the sliding shaft is in threaded fit with the sliding ejector rod, and the metal to be welded can be driven by the upper fixing block to slide towards the direction close to the matching block.
Preferably, the scarfing cinder device is including locating extension axle in the transmission cavity, be equipped with driving pulley on the extension off-axial wall, driving pulley with connect through driving belt between the driving pulley, be equipped with the transmission band pulley on the extension off-axial wall, be equipped with the screw rod in the transmission cavity, the screw rod is located be equipped with from the driven pulleys on the outer wall in the transmission cavity, from the driven pulleys with connect through the transmission band pulley between the transmission band pulley, be equipped with bilateral symmetry in the welding cavity and with scarfing cinder piece complex slider, wherein the slider with pass through screw-thread fit between the screw rod, and then can drive the scarfing cinder piece slides.
Preferably, the fixing device comprises a transmission shaft arranged in the transmission cavity, the transmission shaft is fixedly connected with the transmission gear, a second sliding cavity is arranged in the end wall of the top of the fixed cavity, a spline shaft is arranged in the second sliding cavity, the spline shaft is connected with the transmission shaft through a spline, an output bevel gear is arranged on the outer wall of the spline shaft, a cam shaft is arranged in the second sliding cavity, an input bevel gear meshed with the output bevel gear is arranged at the top end of the cam shaft, a cam matched with the connecting rod is arranged at the bottom end of the cam shaft in the fixed cavity, and the rotation of the lower fixed block can be controlled.
The invention has the beneficial effects that: the welding device has the advantages of simple structure, convenience in operation and maintenance, the welding process of the device is continuous, the integral connection of the metals to be welded is ensured during welding, the welding strength is greatly improved, meanwhile, no personnel intervention is needed during the welding process, the dependence on the welding technology of welding personnel is reduced, the personnel cost is reduced, the welding metal is not subjected to rotary operation during welding, the length range of the metals to be welded is greatly improved, and the applicability of the device is improved, so that the device has higher use and popularization values.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of the overall structure of a seamless welder;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 2;
FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;
FIG. 5 is a schematic diagram of D-D of FIG. 2;
fig. 6 is a schematic view of the connection of the mating blocks of fig. 1.
Detailed Description
The present invention will be described in detail with reference to the drawings, wherein for the convenience of description, the following orientations are defined as follows: the front, rear, left, and right described below correspond to the up-down direction of the projection relationship of fig. 1 itself.
As shown in fig. 1-6, a seamless welding machine comprises a main body 11, a welding cavity 16 is arranged in the main body 11, a matching block 18 is rotatably arranged in the welding cavity 16, wherein the matching block 18 is divided into an upper part and a lower part, the upper part and the lower part of the matching block 18 are connected through a screw, a welding gear 19 capable of driving the matching block 18 to rotate is arranged on the outer wall of the matching block 18, an upper fixing block 15 which is symmetrical left and right is slidably arranged in the welding cavity 16, a lower fixing block 50 corresponding to the upper fixing block 15 is arranged in the welding cavity 16, the lower fixing block 50 and the upper fixing block 15 can fix a metal pipe to be welded, a slag removing block 14 for removing welding slag is slidably arranged in the upper fixing block 15 and the lower fixing block 50, a power cavity 40 is arranged in the rear end wall of the welding cavity 16, the improved welding device is characterized in that a transmission cavity 39 is arranged in the end wall of the right side of the power cavity 40, a first bilateral symmetry sliding cavity 20 is arranged in the end wall of the rear side of the welding cavity 16, a power device 100 for providing power for a welding machine is arranged in the power cavity 40, a transmission device 101 for transmitting power generated by the power device 100 to each device is arranged in the power cavity 40, a sliding device 102 capable of sliding metal materials to be welded is arranged in the welding cavity 16, a slag removing device 103 capable of driving the slag removing block 14 to slide is arranged in the welding cavity 16, a fixed cavity 49 is arranged in the upper fixed block 15, a connecting rod 48 is rotatably arranged in the fixed cavity 49, the connecting rod 48 is fixedly connected with the lower fixed block 50, and a fixing device 104 for driving the lower fixed block 50 to rotate is arranged in the fixed cavity 49.
Advantageously, the power device 100 comprises a motor 26 arranged in the left end wall of the power cavity 40, a power shaft 27 in power connection with the motor 26 is arranged in the power cavity 40, and an inner gear ring 28 for driving the transmission device 101 to rotate is arranged at the right end of the power shaft 27.
Beneficially, the transmission device 101 includes a central shaft 32 disposed in the power cavity 40, a rotatable sleeve shaft 31 is disposed on an outer wall of the central shaft 32, a central gear 30 is disposed at a left end of the central shaft 32 located in the power cavity 40, the central gear 30 is engaged with the inner gear ring 28 through a planetary gear 29, the planetary gear 29 is rotatably disposed on an outer wall of the sleeve shaft 31, a transmission gear 37 is disposed at a right end of the sleeve shaft 31 located in the transmission cavity 39, an output gear 38 engaged with the welding gear 19 is disposed at a right end of the central shaft 32 located in the transmission cavity 39, so that the mating block 18 can be driven to rotate through the welding gear 19, a transmission shaft 36 is disposed in the transmission cavity 39, an input gear 33 is disposed on an outer wall of the transmission shaft 36, and the input gear 33 is engaged with the transmission gear 37 through a transmission gear 35, the end of the transmission shaft 36, which is located in the first sliding cavity 20, is provided with a drive bevel gear 21 which can drive the sliding device 102 to slide, and the outer wall of the input gear 33 is provided with a drive belt pulley 34 which can drive the slag removing device 103 to rotate.
Advantageously, the sliding device 102 includes a sliding shaft 23 disposed in the sliding cavity one 20, a driven bevel gear 22 engaged with the driving bevel gear 21 is disposed at a rear end of the sliding shaft 23 located in the sliding cavity one 20, and a slidable sliding push rod 24 is disposed in the welding cavity 16, wherein the sliding shaft 23 and the sliding push rod 24 are in threaded engagement, so that the upper fixing block 15 can drive the metal to be welded to slide in a direction close to the mating block 18.
Beneficially, the slag removal device 103 includes an extension shaft 54 disposed in the transmission cavity 39, a transmission belt pulley 52 is disposed on an outer wall of the extension shaft 54, the transmission belt pulley 52 is connected with the driving belt pulley 34 through a transmission belt 51, a transmission belt pulley 53 is disposed on an outer wall of the extension shaft 54, a screw 13 is disposed in the transmission cavity 39, a driven belt pulley 17 is disposed on an outer wall of the screw 13 located in the transmission cavity 39, the driven belt pulley 17 is connected with the transmission belt pulley 53 through the transmission belt pulley 55, and sliders 12 which are bilaterally symmetric and matched with the slag removal block 14 are disposed in the welding cavity 16, wherein the sliders 12 are in threaded fit with the screw 13, and further the slag removal block 14 can be driven to slide.
Advantageously, the fixing device 104 includes a transmission shaft 42 disposed in the transmission cavity 39, the transmission shaft 42 is fixedly connected with the transmission gear 35, a second sliding cavity 41 is disposed in the end wall of the top of the fixing cavity 49, a spline shaft 43 is disposed in the second sliding cavity 41, the spline shaft 43 is connected with the transmission shaft 42 through a spline, an output bevel gear 44 is disposed on the outer wall of the spline shaft 43, a cam shaft 46 is disposed in the second sliding cavity 41, an input bevel gear 45 engaged with the output bevel gear 44 is disposed at the top end of the cam shaft 46, and a cam 47 engaged with the connecting rod 48 is disposed at the bottom end of the cam shaft 46 located in the fixing cavity 49, so as to control the rotation of the lower fixing block 50.
When the device is used, a user puts welding materials into the matching block 18 and fixes the welding materials, puts left and right metals to be welded on the lower fixing block 50, simultaneously the motor 26 starts to work and drives the inner gear ring 28 to rotate through the motor 26 so as to drive the planet gear 29, the central gear 30 rotates, the central gear 30 drives the matching block 18 to rotate through the central shaft 32 and the output gear 38, the welding gear 19 drives the matching block 18 to rotate so as to drive the welding materials to rotate, meanwhile, the transmission gear 35 drives the cam 47 to rotate through the transmission shaft 42, the spline shaft 43, the output bevel gear 44, the input bevel gear 45, the cam shaft 46 drives the cam 47 to rotate, further drives the lower fixing block 50 to rotate through the connecting rod 48 so as to fix the metals to be welded, meanwhile, the planet gear 29 drives the transmission shaft 36 to rotate through the sleeve shaft 31, the transmission gear 37 and the, the driven bevel gear 22 drives the sliding shaft 23 to rotate, and further drives the sliding ejector 24 to slide forward, and further drives the upper fixing block 15 to slide in a direction close to one side of the matching block 18, so as to friction-weld the metal to be welded with the welding material, meanwhile, the transmission shaft 36 drives the screw 13 to rotate through the driving pulley 34, the transmission belt 51, the transmission belt wheel 52, the extension shaft 54, the transmission belt wheel 55, the driven pulley 17 drives the screw 13 to rotate, and further drives the slag cleaning block 14 to slide in a direction close to one side of the matching block 18 through the slide block 12, so as to remove the welded welding slag, after the welding is completed, the motor 26 works in reverse direction and drives the inner gear ring 28 to rotate through the motor 26, and further the inner gear ring 28 rotates through the planetary gear 29, the sleeve shaft 31, the transmission gear 37, the transmission gear 35, the input gear 33 drives the transmission shaft 36, camshaft 46 drives cam 47 and rotates, and then drives down fixed block 50 and rotates through connecting rod 48, and then will treat that the welded metal loosens, and simultaneously, transmission shaft 36 passes through drive bevel gear 21, driven bevel gear 22 drives sliding shaft 23 and rotates, and then drives slip ejector pin 24 and slides backward, and then go up fixed block 15 and slide to the direction of keeping away from cooperation piece 18 one side, and transmission shaft 36 passes through drive pulley 34 simultaneously, driving belt 51, driving pulley 52, extend axle 54, transmission pulley 55, driven pulley 17 drives screw 13 and rotates, and then drives slag cleaning block 14 through slider 12 and slides to the direction of keeping away from cooperation piece 18 one side.
The invention has the beneficial effects that: the welding device has the advantages of simple structure, convenience in operation and maintenance, the welding process of the device is continuous, the integral connection of the metals to be welded is ensured during welding, the welding strength is greatly improved, meanwhile, no personnel intervention is needed during the welding process, the dependence on the welding technology of welding personnel is reduced, the personnel cost is reduced, the welding metal is not subjected to rotary operation during welding, the length range of the metals to be welded is greatly improved, and the applicability of the device is improved, so that the device has higher use and popularization values.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (6)
1. A seamless welder, includes the main part, its characterized in that: the welding device is characterized in that a welding cavity is arranged in the main body, a matching block is rotatably arranged in the welding cavity and is divided into an upper part and a lower part, wherein the upper part and the lower part of the matching block which correspond to each other are connected through a screw rod, a welding gear which can drive the matching block to rotate is arranged on the outer wall of the matching block, an upper fixing block which is symmetrical left and right is arranged in the welding cavity in a sliding manner, a lower fixing block which corresponds to the upper fixing block is arranged in the welding cavity, the lower fixing block and the upper fixing block can fix a metal pipe to be welded, a slag removing block which is used for removing welding waste slag is arranged in the upper fixing block and the lower fixing block in a sliding manner, a power cavity is arranged in the rear side end wall of the welding cavity, a transmission cavity is arranged in the right side end wall of the power cavity, a first sliding cavity which is, the power intracavity is equipped with and is used for with the power transmission that power device produced to each device in, the welding intracavity is equipped with can will treat the gliding slider of welded metal material, the welding intracavity is equipped with and drives the gliding scarfing cinder device of scarfing cinder piece, be equipped with fixed chamber in the last fixed block, the rotatable connecting rod that is equipped with of fixed intracavity, wherein, in the connecting rod with fixed block fixed connection down, fixed intracavity is equipped with the drive fixed block pivoted fixing device down.
2. A seamless welder according to claim 1, characterized in that: the power device comprises a motor arranged in the end wall of the left side of the power cavity, a power shaft in power connection with the motor is arranged in the power cavity, and an inner gear ring for driving the transmission device to rotate is arranged at the right end of the power shaft.
3. A seamless welder according to claim 2, characterized in that: the transmission device comprises a central shaft arranged in the power cavity, a rotatable sleeve shaft is arranged on the outer wall of the central shaft, a central gear is arranged at the left end of the central shaft in the power cavity, the central gear is meshed with the inner gear ring through a planetary gear, the planetary gear is rotatably arranged on the outer wall of the sleeve shaft, a transmission gear is arranged at the right end of the sleeve shaft in the transmission cavity, an output gear meshed with the welding gear is arranged at the right end of the central shaft in the transmission cavity, the matching block can be driven to rotate through the welding gear, a transmission shaft is arranged in the transmission cavity, an input gear is arranged on the outer wall of the transmission shaft, the input gear is meshed with the transmission gear through a transmission gear, a driving bevel gear capable of driving the sliding device to slide is arranged at the tail end of the transmission shaft in the first sliding, and a driving belt wheel capable of driving the slag removing device to rotate is arranged on the outer wall of the input gear.
4. A seamless welder according to claim 3, characterized in that: the sliding device comprises a sliding shaft arranged in the first sliding cavity, a driven bevel gear meshed with the driving bevel gear is arranged at the rear end of the sliding shaft in the first sliding cavity, a slidable sliding ejector rod is arranged in the welding cavity, the sliding shaft is in threaded fit with the sliding ejector rod, and then the upper fixing block can drive the metal to be welded to slide towards the direction close to the matching block.
5. The seamless welder according to claim 4, characterized in that: the scarfing cinder device is including locating extension axle in the transmission cavity, be equipped with driving pulley on the extension off-axial wall, driving pulley with connect through driving belt between the driving pulley, be equipped with the transmission band pulley on the extension off-axial wall, be equipped with the screw rod in the transmission cavity, the screw rod is located be equipped with from the driving pulley on the outer wall in the transmission cavity, from the driving pulley with connect through the transmission band pulley between the transmission band pulley, the welding intracavity be equipped with bilateral symmetry and with scarfing cinder piece complex slider, wherein the slider with pass through screw-thread fit between the screw rod, and then can drive the scarfing cinder piece slides.
6. The seamless welder according to claim 5, characterized in that: the fixing device comprises a transmission shaft arranged in the transmission cavity, the transmission shaft is fixedly connected with the transmission gear, a sliding cavity II is arranged in the end wall of the top of the fixed cavity, a spline shaft is arranged in the sliding cavity II, the spline shaft is connected with the transmission shaft through a spline, an output bevel gear is arranged on the outer wall of the spline shaft, a cam shaft is arranged in the sliding cavity II, an input bevel gear meshed with the output bevel gear is arranged at the top end of the cam shaft, a cam matched with the connecting rod is arranged at the bottom end, located in the fixed cavity, of the cam shaft, and therefore the rotation of the lower fixed block can be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023396.7A CN111168224B (en) | 2020-01-09 | 2020-01-09 | Seamless welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010023396.7A CN111168224B (en) | 2020-01-09 | 2020-01-09 | Seamless welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111168224A CN111168224A (en) | 2020-05-19 |
| CN111168224B true CN111168224B (en) | 2020-11-10 |
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ID=70652580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010023396.7A Active CN111168224B (en) | 2020-01-09 | 2020-01-09 | Seamless welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111168224B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3042636C (en) * | 2011-12-05 | 2021-06-15 | Stephen A. Johnson | Linear friction welding apparatus and method |
| CN207873627U (en) * | 2017-11-30 | 2018-09-18 | 惠州市博正兴实业有限公司 | A kind of friction welding (FW) lathe |
| CN109848705A (en) * | 2017-11-30 | 2019-06-07 | 惠州市博正兴实业有限公司 | A kind of friction welding (FW) lathe and its application method |
| CN108608107B (en) * | 2018-05-23 | 2020-02-21 | 江苏科技大学 | Phase friction welding machine and welding method |
| CN109623132A (en) * | 2018-12-18 | 2019-04-16 | 东北大学 | A kind of device and method improving 7 line aluminium alloy friction stir welding performances |
| CN109848544A (en) * | 2019-04-24 | 2019-06-07 | 杭州润笙包装制品有限公司 | A kind of friction welding apparatuses |
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2020
- 2020-01-09 CN CN202010023396.7A patent/CN111168224B/en active Active
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| CN111168224A (en) | 2020-05-19 |
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Effective date of registration: 20201016 Address after: Building 2, dongguanyuan, Zhizao Town, Ruichang City, Jiujiang City, Jiangxi Province Applicant after: Jiangxi Ruisheng Technology Co.,Ltd. Address before: 237300 wangwan group, Qiling village, Gubei Town, Jinzhai County, Lu'an City, Anhui Province Applicant before: Lu Xiuli |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Seamless welding machine Effective date of registration: 20211027 Granted publication date: 20201110 Pledgee: Bank of China Limited Ruichang sub branch Pledgor: Jiangxi Ruisheng Technology Co.,Ltd. Registration number: Y2021980011368 |
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Date of cancellation: 20230202 Granted publication date: 20201110 Pledgee: Bank of China Limited Ruichang sub branch Pledgor: Jiangxi Ruisheng Technology Co.,Ltd. Registration number: Y2021980011368 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A seamless welding machine Effective date of registration: 20230213 Granted publication date: 20201110 Pledgee: Bank of China Limited Ruichang sub branch Pledgor: Jiangxi Ruisheng Technology Co.,Ltd. Registration number: Y2023980032520 |
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