CN118002973B - Welding fixture and welding method for crossed tubular parts - Google Patents
Welding fixture and welding method for crossed tubular parts Download PDFInfo
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- CN118002973B CN118002973B CN202410423884.5A CN202410423884A CN118002973B CN 118002973 B CN118002973 B CN 118002973B CN 202410423884 A CN202410423884 A CN 202410423884A CN 118002973 B CN118002973 B CN 118002973B
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- 238000003466 welding Methods 0.000 title claims abstract description 66
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
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- 238000005452 bending Methods 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 6
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Abstract
The invention discloses a welding fixture and a welding method for crossed tubular parts, wherein the welding fixture comprises a bottom plate, and the bottom plate is provided with two clamping units and two detection supporting units which are arranged at intervals; the bottom plate is provided with a correction driving unit for driving the clamping unit to rotate; the clamping unit comprises a clamping seat rotationally arranged on the bottom plate, a gland hinged to the top of the clamping seat, a pair of lower rollers rotationally arranged in the clamping seat and a driving assembly for driving the gland to open and close, and the driving assembly is in unidirectional transmission connection with the lower rollers; the detection supporting unit comprises a detection support and a sliding frame penetrating through the detection support in a sliding manner, a spring is connected between the sliding frame and the detection support, one end of the sliding frame is connected with a baffle, the baffle abuts against the side wall of the detection support under the action of the spring, and a displacement sensor for detecting sliding displacement of the sliding frame is arranged in the detection support; the invention improves the welding precision of the crossed tubular parts and the dimensional precision of the parts, and is beneficial to improving the yield of products.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding fixture and a welding method for crossed tubular parts.
Background
The cross-tubular elements are typically formed by joining long and short tubular elements and then welding them together. Before welding operation, need carry out the centre gripping fixed to long pipe fitting, however, current alternately tubular part welding jig often only possesses simple centre gripping locate function, can't detect the size of treating welded long pipe fitting, more can't correct crooked pipe fitting for the long pipe fitting that straightness accuracy is out of tolerance also welded into the part in, leads to welding precision not high, causes part dimensional accuracy to reduce, and the product yield is lower relatively.
Disclosure of Invention
The invention aims to overcome the defects and provide a welding fixture and a welding method for crossed tubular parts, so that the welding precision of the crossed tubular parts is improved, the dimensional precision of the parts is improved, and the product yield is improved.
In order to achieve the above object, the present invention is specifically as follows:
The first aspect of the invention provides a welding fixture for crossed tubular parts, comprising a bottom plate, wherein one side of the bottom plate is provided with two clamping units which are arranged at intervals in the length direction of the bottom plate, and two detection supporting units which are arranged at intervals in the width direction of the bottom plate; the other side of the bottom plate is provided with a correction driving unit for driving the two clamping units to synchronously rotate;
The clamping unit comprises a clamping seat rotationally arranged on the bottom plate, a gland hinged to the top of the clamping seat, a pair of lower rollers rotationally arranged in the clamping seat and a driving assembly arranged on the clamping seat and used for driving the gland to open and close, and the driving assembly is in unidirectional transmission connection with one of the lower rollers;
The detection supporting unit comprises a detection support and a sliding frame penetrating through the detection support in a sliding manner, a spring is connected between the sliding frame and the detection support, one end, away from the center of the bottom plate, of the sliding frame is connected with a baffle, the baffle abuts against the side wall of the detection support under the action of the spring, and a displacement sensor for detecting sliding displacement of the sliding frame is further arranged in the detection support.
The driving assembly comprises a first push rod arranged on the clamping seat, a rack arranged on the clamping seat in a sliding manner, a first gear rotationally arranged in the clamping seat and a second gear rotationally arranged in the middle of a lower roller close to the first gear; the output end of the first push rod is connected with one end of a rack, the rack is meshed with a first gear, a shaft neck of the first gear is rotationally connected with one end of a gland, the gland is hinged with a clamping seat through the shaft neck of the first gear, one side of the first gear is provided with a scroll spring piece, the outer end of the scroll spring piece is connected with the gland, the inner end of the scroll spring piece is connected with the first gear, and the second gear is meshed with the first gear;
one side of the second gear is provided with a circle of ratchet grooves, a locking elastic piece is arranged in the lower roller close to the first gear, one end of the locking elastic piece is fixedly connected with the lower roller close to the first gear, and the other end of the locking elastic piece is meshed with the ratchet grooves in a unidirectional mode.
The correction driving unit comprises a second push rod arranged on the bottom plate, a connecting rod which is arranged on the bottom plate in a sliding manner and is in an L shape, and two swinging rods which are symmetrically distributed along the center of the length direction of the bottom plate;
One end of one swing rod is movably hinged with the end part of the short arm of the connecting rod, and the other end of the swing rod is fixedly sleeved with the bottom of the corresponding clamping seat; one end of the other swing rod is movably hinged with the end part of the long arm of the connecting rod, and the other end of the other swing rod is fixedly sleeved with the bottom of the corresponding clamping seat; the output end of the second push rod is connected with the short arm of the connecting rod.
The invention further provides that the correction driving unit further comprises two guide blocks which are arranged at intervals, and the long arm of the connecting rod is connected to the two guide blocks in a sliding mode.
The invention further provides an upper roller wheel which is rotatably arranged in the gland, and the upper roller wheel and the pair of lower roller wheels are distributed in a triangle shape when the gland is covered on the clamping seat.
In the invention, one side of the bottom plate is also provided with two supporting bodies which are arranged at intervals along the width direction, and the two supporting bodies are positioned between the two detection supporting units.
The invention further provides a through hole positioned between the two supporting bodies in the middle of the bottom plate.
In the invention, the bottom plate is provided with electric compression bars at the outer sides of the two supporting bodies respectively.
The invention further discloses that the two electric compression bars are symmetrically distributed about the center of the bottom plate.
The second aspect of the invention provides a welding method based on the welding fixture, which comprises the following steps:
Determining the bending amount: the driving assembly drives the lower roller to drive the long pipe fitting to rotate for a circle, and a sliding stroke D of the short pipe fitting extruded and moved by the long pipe fitting is obtained through the displacement sensor, so that the bending quantity Q of the welding position of the long pipe fitting is obtained;
Positioning bending direction: after the bending quantity Q is determined, the driving assembly drives the lower roller to drive the long pipe to rotate until one of the displacement sensors outputs a maximum sliding travel value L Big size , so that the bending direction of the long pipe is positioned;
Correcting: the correction driving unit corrects the bent long pipe fitting according to the bending quantity Q and the bending direction of the welding position of the long pipe fitting;
Welding and fixing: the driving component drives the lower roller to drive the long pipe to rotate; if the displacement sensor detects that the sliding stroke d of the short pipe fitting is within the bending threshold Q 0 range of the long pipe fitting, welding and fixing the lap joint of the long pipe fitting and the short pipe fitting;
If the displacement sensor detects that the sliding travel d of the short pipe fitting exceeds the bending threshold Q 0 range of the long pipe fitting, repeating the correcting step until the displacement sensor detects that the sliding travel d of the short pipe fitting is within the bending threshold Q 0 range of the long pipe fitting, and then welding and fixing the lap joint of the long pipe fitting and the short pipe fitting.
The beneficial effects of the invention are as follows: according to the invention, the pair of lower rollers and the driving assembly for driving the lower rollers to rotate unidirectionally are arranged on the clamping units, and the displacement sensor is arranged on the detection supporting unit, so that when the lower rollers are utilized to drive the long pipe to rotate, the bending amount of the welding position of the long pipe is converted into the sliding stroke of the short pipe, the bending degree of the welding position of the long pipe is obtained, the detection supporting unit is utilized to orient the bending direction, and the two clamping units are driven to synchronously rotate by the correction driving unit according to the bending direction and the bending amount, so that the long pipe is corrected, the welding precision of crossed tubular parts is improved, the dimensional precision of the parts is improved, and the product yield is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a schematic view of the structure of the clamping unit of the present invention;
FIG. 4 is a schematic cross-sectional view of a clamping unit of the present invention;
FIG. 5 is a schematic view of the structure of the clamping unit of the present invention when the gland is opened;
FIG. 6 is a schematic cross-sectional view of the cooperation of the lower roller, the second gear and the locking spring of the present invention;
FIG. 7 is a schematic view of the structure of the detection support unit of the present invention;
FIG. 8 is a schematic cross-sectional view of a test support unit of the present invention;
FIG. 9 is a schematic diagram of the corrective drive unit of the present invention;
FIG. 10 is a first schematic illustration of the present invention for bend correcting a long tubular member;
FIG. 11 is a second schematic illustration of the present invention for bend correcting a long tubular member;
reference numerals illustrate: 1. a bottom plate; 11. a through hole; 2. a clamping unit; 21. a clamping seat; 22. a gland; 23. a lower roller; 241. a first push rod; 242. a rack; 243. a first gear; 244. a scroll spring; 245. a locking spring plate; 246. a second gear; 2461. ratchet tooth slot; 25. an upper roller; 3. detecting a supporting unit; 31. detecting a support; 32. a carriage; 33. a spring; 34. a baffle; 35. a displacement sensor; 4. a correction driving unit; 41. a second push rod; 42. a connecting rod; 43. swing rod; 44. a guide block; 5. a support body; 6. an electric compression bar.
Detailed Description
The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.
As shown in fig. 1 to 11, a welding jig for cross tubular parts according to the present embodiment includes a base plate 1, two clamping units 2 arranged at intervals are installed on one side of the base plate 1 in the length direction thereof, and two detection supporting units 3 arranged at intervals are installed in the width direction thereof; the connecting line between the two clamping units 2 is perpendicular to the connecting line between the two detection supporting units 3; the other side of the bottom plate 1 is provided with a correction driving unit 4 for driving the two clamping units 2 to synchronously rotate;
The clamping unit 2 comprises a clamping seat 21 rotatably mounted on the bottom plate 1, a gland 22 hinged to the top of the clamping seat 21, a pair of lower rollers 23 rotatably arranged in the clamping seat 21, and a driving assembly mounted on the clamping seat 21 and used for driving the gland 22 to open and close, wherein the driving assembly is in unidirectional transmission connection with one of the lower rollers 23;
The detection supporting unit 3 comprises a detection support 31 and a sliding frame 32 penetrating through the detection support 31 in a sliding manner, a spring 33 is connected between the sliding frame 32 and the detection support 31, one end, far away from the center of the bottom plate 1, of the sliding frame 32 is connected with a baffle 34, the baffle 34 abuts against the side wall of the detection support 31 under the action of the spring 33, and a displacement sensor 35 used for detecting sliding displacement of the sliding frame 32 is further arranged in the detection support 31.
Specifically, in the welding fixture according to the embodiment, during actual use, two ends of a long pipe are respectively placed on a pair of lower rollers 23 of the clamping unit 2, one ends of two short pipes are respectively abutted against the outer walls of the long pipe, the other ends of the short pipes are respectively placed on the detection support 31 of the detection support unit 3, the baffle 34 is pushed to slide outwards by a certain distance against the elastic force of the spring 33, so that the corresponding displacement sensor 35 detects an initial value, as shown in fig. 1, the driving assembly drives the gland 22 to close, thereby clamping and fixing the long pipe, during closing of the gland 22, the driving assembly synchronously drives the lower rollers 23 to rotate, the lower rollers 23 drive the long pipe to rotate for one circle, the long pipe in a bending state pushes the short pipe to slide outwards in the rotating process, the short pipe pushes the baffle 34 to overcome the elastic force of the spring 33 to move, the baffle 34 drives the sliding frame 32 to slide, at this moment, the displacement sensor 35 detects the sliding of the sliding frame 32, the displacement sensor 35 outputs a maximum sliding stroke value L Big size and a minimum sliding stroke value L Small size , so that the sliding stroke d=3779 of the long pipe is obtained, and the bending stroke of the long pipe is extruded and the bending stroke d=372 is obtained;
After the gland 22 is closed, the driving assembly continues to drive the lower roller 23 to drive the long pipe to rotate until one of the displacement sensors 35 on the detection support unit 3 outputs a maximum sliding travel value L Big size , and at the moment, the driving assembly stops driving the lower roller 23 to rotate, so that the bending direction of the long pipe is positioned, and the bending direction is the direction facing the displacement sensor 35 outputting the maximum sliding travel value L Big size ;
Then, the correction driving unit 4 synchronously drives the two clamping units 2 to rotate according to the bending quantity Q and the bending direction of the welding position of the long pipe fitting, and corrects the bent long pipe fitting, as shown in fig. 10 and 11;
After correction, the driving assembly drives the lower roller 23 to drive the long pipe to rotate again, and at the moment, if the displacement sensor 35 detects that the sliding stroke d of the short pipe is within the bending threshold Q 0 of the long pipe, the lap joint of the long pipe and the short pipe is welded and fixed; if the displacement sensor 35 detects that the sliding travel d of the short pipe fitting exceeds the bending threshold value Q 0 range of the long pipe fitting, repeating the correcting step until the displacement sensor 35 detects that the sliding travel d of the short pipe fitting is within the bending threshold value Q 0 range of the long pipe fitting, and then welding and fixing the lap joint of the long pipe fitting and the short pipe fitting.
In this embodiment, a pair of lower rollers 23 and a driving assembly for driving the lower rollers 23 to rotate unidirectionally are disposed on the clamping unit 2, and a displacement sensor 35 is disposed on the detecting and supporting unit 3, so that when the lower rollers 23 are utilized to drive the long pipe to rotate, the bending amount of the welding position of the long pipe is converted into the sliding travel of the short pipe, and the bending degree of the welding position of the long pipe is obtained, and then the detecting and supporting unit 3 is utilized to orient the bending direction, and the two clamping units 2 are driven to synchronously rotate by the correcting and driving unit 4 according to the bending direction and the bending amount, so that the welding precision of crossed tubular parts is improved, the dimensional precision of the parts is improved, and the product yield is improved.
As shown in fig. 1, 3 to 6, in the welding fixture for cross tubular parts according to the present embodiment, in some embodiments, the driving assembly includes a first push rod 241 mounted on the clamping base 21, a rack 242 slidably mounted on the clamping base 21, a first gear 243 rotatably mounted in the clamping base 21, and a second gear 246 rotatably mounted near a middle portion of the lower roller 23 of the first gear 243; the output end of the first push rod 241 is fixedly connected with one end of a rack 242, the rack 242 is meshed with a first gear 243, a shaft neck of the first gear 243 is rotationally connected with one end of a gland 22, the gland 22 is hinged with a clamping seat 21 through the shaft neck of the first gear 243, a scroll spring 244 is arranged on one side of the first gear 243, the outer end of the scroll spring 244 is fixedly connected with the gland 22, the inner end of the scroll spring 244 is fixedly connected with the first gear 243, and a second gear 246 is meshed with the first gear 243; one side of the second gear 246 is provided with a circle of ratchet groove 2461, a locking spring 245 is arranged in the lower roller 23 close to the first gear 243, one end of the locking spring 245 is fixedly connected with the lower roller 23 close to the first gear 243, and the other end of the locking spring 245 is meshed with the ratchet groove 2461 in a unidirectional mode. In practical application, the diameter of the first gear 243 is larger than the diameter of the second gear 246 and larger than the diameter of the lower roller 23; the number of winding turns of the scroll spring 244 is set to satisfy the correction process of the long pipe fitting.
Specifically, in the initial stage, after the long pipe is placed on the pair of lower rollers 23, the first push rod 241 pushes the rack 242 to slide, the rack 242 drives the first gear 243 to rotate, because the scroll spring 244 has a certain elasticity, the gland 22 has a degree of freedom in rotation, at this time, no relative motion exists between the first gear 243 and the gland 22, torque is transmitted to the gland 22 through the scroll spring 244, the first gear 243 drives the gland 22 to turn over relative to the clamping seat 21, meanwhile, the first gear 243 drives the second gear 246 to rotate, the second gear 246 cooperates with the locking spring 245 through the ratchet groove 2461, and the lower rollers 23 are synchronously driven to rotate, so that the sliding stroke D of the short pipe extruded and moved by the long pipe is obtained; after the gland 22 is closed, the first push rod 241 continuously pushes the rack 242 to move, at this time, because the gland 22 is blocked by the clamping seat 21, that is, the rotational freedom degree of the gland 22 is limited, relative movement is generated between the first gear 243 and the gland 22, the rack 242 drives the first gear 243 to rotate relative to the gland 22, so that the scroll spring 244 is rolled and compressed, the first gear 243 drives the second gear 246 to drive the lower roller 23 to continuously rotate until one of the displacement sensors 35 outputs the maximum sliding stroke value L Big size again, thereby positioning the bending direction of the long pipe.
After welding, the first push rod 241 drives the rack 242 to slide reversely, the rack 242 drives the first gear 243 to rotate reversely, the spiral spring 33 is released, the first gear 243 drives the second gear 246 to rotate reversely, the second gear 246 can not drive the lower roller 23 to rotate due to the unidirectional transmission characteristic of the locking elastic piece 245 and the ratchet groove 2461, the second gear 246 idles, so that the first gear 243 drives the gland 22 to overturn upwards relative to the clamping seat 21, clamping and fixing of long pipe fittings are released, and then the welded crossed tubular part is taken out.
As shown in fig. 2 and 9 to 11, the welding fixture for cross tubular parts according to the present embodiment, in some embodiments, the correction driving unit 4 includes a second push rod 41 fixedly installed on the base plate 1, a connecting rod 42 slidably installed on the base plate 1 and having an L shape, and two swing rods 43 symmetrically distributed along the center of the length direction of the base plate 1; one end of one swing rod 43 is movably hinged with the end part of the short arm of the connecting rod 42, and the other end is fixedly sleeved with the bottom of the corresponding clamping seat 21; one end of the other swing rod 43 is movably hinged with the end part of the long arm of the connecting rod 42, and the other end is fixedly sleeved with the bottom of the corresponding clamping seat 21; the output end of the second push rod 41 is connected to a short arm of the connecting rod 42.
Specifically, when the long pipe is corrected, the second push rod 41 pushes the connecting rod 42 to move, the connecting rod 42 synchronously drives the two swing rods 43 to swing, and the swing rods 43 drive the corresponding clamping seats 21 to swing, so that the long pipe is corrected, and then the lap joint of the corrected long pipe and the short pipe is welded, so that the welding precision is improved, and the part yield is improved.
As shown in fig. 2 and 10, in some embodiments, the welding fixture for cross tubular parts according to the present embodiment, the correction driving unit 4 further includes two guide blocks 44 disposed at intervals, and the long arm of the connecting rod 42 is slidably connected to the two guide blocks 44. In this embodiment, the guide block 44 is provided to provide guide limit for the connecting rod 42, so that the sliding of the connecting rod 42 is more stable, and the correction precision of the long pipe fitting is improved.
As shown in fig. 3 to 5, in the welding fixture for cross tubular parts according to the present embodiment, in some embodiments, an upper roller 25 is rotatably disposed in the pressing cover 22, and when the pressing cover 22 is covered on the clamping seat 21, the upper roller 25 and the pair of lower rollers 23 are distributed in a triangle shape. In this embodiment, the upper roller 25 is disposed on the gland 22, so that the long pipe is clamped and fixed between the upper roller 25 and the pair of lower rollers 23, so that the lower rollers 23 drive the long pipe to rotate, which is beneficial to protecting the outer wall of the long pipe.
As shown in fig. 1, in the welding fixture for cross tubular parts according to the present embodiment, in some embodiments, two supporting bodies 5 are further disposed at intervals in the width direction on one side of the base plate 1, and the two supporting bodies 5 are located between the two detecting and supporting units 3. The support body 5 is arranged between the two detection support units 3 to provide support for the short pipe, so that the short pipe moves more stably when being extruded by the long pipe, the detection precision of the sliding stroke of the short pipe is improved, and the bending precision of the long pipe is improved.
As shown in fig. 1 and 2, a welding jig for intersecting tubular members according to the present embodiment is provided with a through hole 11 in the middle of the base plate 1 between two supporting bodies 5 in some embodiments. In this embodiment, through the through hole 11 is formed in the bottom plate 1, so that after the lap joint of the long pipe fitting and the short pipe fitting is subjected to front full welding, the whole welding fixture is turned over, and the lap joint of the long pipe fitting and the short pipe fitting is subjected to back full welding through the through hole 11, so that the welding operation is facilitated.
As shown in fig. 1, in the welding jig for cross tubular parts according to the present embodiment, in some embodiments, the base plate 1 is provided with electric compression bars 6 on the outer sides of two supporting bodies 5, respectively. In the embodiment, the electric pressing rod 6 is arranged, so that when the maximum sliding distance d of the short pipe fitting is within the bending threshold Q 0 of the long pipe fitting, the short pipe fitting is pressed by the electric pressing rod 6, and welding of the lap joint of the long pipe fitting and the short pipe fitting is guaranteed.
As shown in fig. 1, in the welding jig for cross tubular parts according to the present embodiment, in some embodiments, two electric struts 6 are symmetrically distributed about the center of the base plate 1. Through the arrangement, the short pipe fitting is pressed more reliably, and the welding position of the long pipe fitting and the short pipe fitting is ensured to be fixed.
The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.
Claims (8)
1. The welding fixture for the crossed tubular parts is characterized by comprising a bottom plate, wherein two clamping units which are arranged at intervals are arranged on one side of the bottom plate in the length direction of the bottom plate, and two detection supporting units which are arranged at intervals are arranged in the width direction of the bottom plate; the other side of the bottom plate is provided with a correction driving unit for driving the two clamping units to synchronously rotate;
The clamping unit comprises a clamping seat rotationally arranged on the bottom plate, a gland hinged to the top of the clamping seat, a pair of lower rollers rotationally arranged in the clamping seat and a driving assembly arranged on the clamping seat and used for driving the gland to open and close, and the driving assembly is in unidirectional transmission connection with one of the lower rollers;
The detection supporting unit comprises a detection support and a sliding frame penetrating through the detection support in a sliding manner, a spring is connected between the sliding frame and the detection support, one end, far away from the center of the bottom plate, of the sliding frame is connected with a baffle, the baffle abuts against the side wall of the detection support under the action of the spring, and a displacement sensor for detecting sliding displacement of the sliding frame is further arranged in the detection support;
The driving assembly comprises a first push rod arranged on the clamping seat, a rack arranged on the clamping seat in a sliding manner, a first gear arranged in the clamping seat in a rotating manner, and a second gear arranged in the middle of the lower roller close to the first gear in a rotating manner; the output end of the first push rod is connected with one end of a rack, the rack is meshed with a first gear, a shaft neck of the first gear is rotationally connected with one end of a gland, the gland is hinged with a clamping seat through the shaft neck of the first gear, one side of the first gear is provided with a scroll spring piece, the outer end of the scroll spring piece is connected with the gland, the inner end of the scroll spring piece is connected with the first gear, and the second gear is meshed with the first gear;
one side of the second gear is provided with a circle of ratchet grooves, a locking elastic piece is arranged in the lower roller close to the first gear, one end of the locking elastic piece is fixedly connected with the lower roller close to the first gear, and the other end of the locking elastic piece is meshed with the ratchet grooves in a unidirectional manner;
the correcting driving unit comprises a second push rod arranged on the bottom plate, a connecting rod which is arranged on the bottom plate in a sliding manner and is in an L shape, and two swinging rods which are symmetrically distributed along the center of the length direction of the bottom plate;
One end of one swing rod is movably hinged with the end part of the short arm of the connecting rod, and the other end of the swing rod is fixedly sleeved with the bottom of the corresponding clamping seat; one end of the other swing rod is movably hinged with the end part of the long arm of the connecting rod, and the other end of the other swing rod is fixedly sleeved with the bottom of the corresponding clamping seat; the output end of the second push rod is connected with the short arm of the connecting rod.
2. The welding jig for cross-tubular members of claim 1 wherein the corrective drive unit further comprises two spaced apart guide blocks, the long arms of the connecting rod being slidably connected to the two guide blocks.
3. The welding jig for crossed tubular members as claimed in claim 1, wherein the upper roller is rotatably provided in the pressing cover, and the upper roller is triangularly arranged with the pair of lower rollers when the pressing cover is covered on the holder.
4. A welding jig for cross tubular parts according to claim 1, wherein one side of the base plate is further provided with two supporting bodies arranged at intervals in the width direction thereof, the two supporting bodies being located between the two inspection supporting units.
5. A welding jig for intersecting tubular elements as claimed in claim 4 wherein the central portion of the base plate is provided with a through hole between the two support bodies.
6. The welding jig for crossed tubular elements as claimed in claim 4, wherein the bottom plate is provided with electric compression bars at the outer sides of the two supporting bodies, respectively.
7. The welding jig for crossed tubular elements as claimed in claim 6, wherein the two electric struts are symmetrically distributed about the center of the bottom plate.
8. A method of welding intersecting tubular members using the welding jig for intersecting tubular members as defined in any one of claims 1 to 7, comprising the steps of:
Determining the bending amount: the driving assembly drives the lower roller to drive the long pipe fitting to rotate for a circle, and a sliding stroke D of the short pipe fitting extruded and moved by the long pipe fitting is obtained through the displacement sensor, so that the bending quantity Q of the welding position of the long pipe fitting is obtained;
Positioning bending direction: after the bending quantity Q is determined, the driving assembly drives the lower roller to drive the long pipe to rotate until one of the displacement sensors outputs a maximum sliding travel value L Big size , so that the bending direction of the long pipe is positioned;
Correcting: the correction driving unit corrects the bent long pipe fitting according to the bending quantity Q and the bending direction of the welding position of the long pipe fitting;
Welding and fixing: the driving component drives the lower roller to drive the long pipe to rotate; if the displacement sensor detects that the sliding stroke d of the short pipe fitting is within the bending threshold Q 0 range of the long pipe fitting, welding and fixing the lap joint of the long pipe fitting and the short pipe fitting;
If the displacement sensor detects that the sliding travel d of the short pipe fitting exceeds the bending threshold Q 0 range of the long pipe fitting, repeating the correcting step until the displacement sensor detects that the sliding travel d of the short pipe fitting is within the bending threshold Q 0 range of the long pipe fitting, and then welding and fixing the lap joint of the long pipe fitting and the short pipe fitting.
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| CN202410423884.5A CN118002973B (en) | 2024-04-10 | 2024-04-10 | Welding fixture and welding method for crossed tubular parts |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088831A1 (en) * | 2015-11-26 | 2017-06-01 | 天津市安维康家科技发展有限公司 | Automatic continuous operation robot for laying large-diameter pipelines and operating method therefor |
| KR101964712B1 (en) * | 2018-07-06 | 2019-04-02 | 클래드코리아포항 주식회사 | Conr shaped clamp based movable type spool manufacturing system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581262B (en) * | 2018-05-23 | 2023-10-27 | 中国石油天然气集团有限公司 | Coiled tubing butt joint and detection mobile service vehicle |
| CN113352017A (en) * | 2021-06-25 | 2021-09-07 | 深圳市恒创杰自动化科技有限公司 | Welding equipment |
| CN116990390B (en) * | 2023-09-26 | 2023-11-28 | 启东启控消声设备有限公司 | Muffler riveting detection device and detection method thereof |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088831A1 (en) * | 2015-11-26 | 2017-06-01 | 天津市安维康家科技发展有限公司 | Automatic continuous operation robot for laying large-diameter pipelines and operating method therefor |
| KR101964712B1 (en) * | 2018-07-06 | 2019-04-02 | 클래드코리아포항 주식회사 | Conr shaped clamp based movable type spool manufacturing system |
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