CN210255479U - Stainless steel pipe welding seam allowance removing device - Google Patents
Stainless steel pipe welding seam allowance removing device Download PDFInfo
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- CN210255479U CN210255479U CN201920957748.9U CN201920957748U CN210255479U CN 210255479 U CN210255479 U CN 210255479U CN 201920957748 U CN201920957748 U CN 201920957748U CN 210255479 U CN210255479 U CN 210255479U
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- hydraulic cylinder
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Abstract
The utility model discloses a nonrust steel pipe welding seam surplus remove device, including the emery wheel, the emery wheel can compress tightly in the welding seam of nonrust steel pipe under the effect of first pneumatic cylinder to rotate work under first motor drive. The stainless steel pipe is clamped by a pair of clamping and fixing devices, each clamping and fixing device is respectively and rotatably connected to the supporting plates, the two supporting plates can horizontally slide, and the positions of welding seams can be adjusted through the supporting plates so that the welding seams are aligned with the grinding wheel. When the grinding wheel works, the rubber roller is pressed and contacted with the welding line under the action of the second hydraulic cylinder, and the rubber roller is driven by the third motor to rotate so as to clean the welding line. Meanwhile, the spray pipe sprays low-temperature high-pressure water flow to the rubber roller, so that the rubber roller is cleaned on one hand, and the low-temperature high-pressure water is brought to the grinding wheel by the stainless steel pipe to cool the grinding wheel on the other hand. The utility model discloses have good surplus and get rid of the effect, can prevent that the sweeps from causing destruction to the weld structure to the life of emery wheel has been improved.
Description
Technical Field
The utility model relates to a steel pipe processingequipment field specifically is a nonrust steel pipe welding seam surplus remove device.
Background
After the stainless steel pipe is welded, the weld joint needs to be reworked to remove the welding allowance around the weld joint. The prior art generally employs knife sharpening or grinding wheel equipment to grind away the margin around the weld. When the sharpening or the grinding wheel rotates and contacts with the welding seam, the allowance can be ground, but more scraps can be generated, and the scraps can be extruded between the grinding wheel and the welding seam if not timely and clearly, so that the welding seam is easily damaged. In addition, when the existing grinding knife or grinding wheel rotates to remove the allowance, the grinding knife or grinding wheel is required to be in contact with the welding line, so that high temperature is easily generated under the action of friction force, the material characteristics of the grinding knife or grinding wheel can be changed due to the high temperature, the abrasion of the grinding knife or grinding wheel is aggravated, and the service life of the grinding knife or grinding wheel is shortened.
The utility model aims at providing a nonrust steel pipe welding seam surplus gets rid of device to solve the sweeps that exists when the prior art adopts the emery wheel to get rid of nonrust steel pipe welding surplus and cause destruction to the welding seam, make the emery wheel wearing and tearing aggravate easily problem.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a nonrust steel pipe welding seam surplus remove device which characterized in that: the stainless steel pipe clamping device comprises a base, wherein end plates are fixedly connected to the front end and the rear end of the base in an upward vertical mode respectively, vertical supporting plates are arranged outside the left side edge and the right side edge of the base respectively, the left supporting plate and the right supporting plate are opposite to each other, clamping fixing devices are arranged on the inner side surface, facing the supporting plate on the other side, of each side supporting plate respectively, the clamping fixing devices on the two sides are opposite to each other, each clamping fixing device is connected to the inner side surface of the corresponding supporting plate in a rotating mode along the left horizontal direction and the right horizontal direction in an axial direction respectively, a first motor is arranged on the outer side surface of one supporting plate, an output shaft of the first motor is coaxially and fixedly connected with the corresponding rotating shaft, a stainless steel;
a first hydraulic cylinder is fixedly installed on an end plate at the front end of the base, the first hydraulic cylinder axially extends along the front-back horizontal direction, a piston rod of the first hydraulic cylinder penetrates through the front end plate and then extends to the stainless steel pipe, a connecting plate is fixedly connected to the rod end of the piston rod of the first hydraulic cylinder, a U-shaped seat is fixedly installed on one side, facing the stainless steel pipe, of the connecting plate, a grinding wheel is rotatably installed in a U-shaped opening of the U-shaped seat through a wheel shaft axially along the left-right horizontal direction, the position of the grinding wheel corresponds to the position of a welding seam of the stainless steel pipe, a second motor is fixedly installed on the left side or the right side of;
a second hydraulic cylinder is fixedly arranged on an end plate at the rear end of the base, the axial direction of the second hydraulic cylinder is along the front-rear horizontal direction, a piston rod of the second hydraulic cylinder penetrates through the rear end plate and then extends to the stainless steel pipe, a connecting seat is fixedly connected to the rod end of the piston rod of the second hydraulic cylinder, a roller mounting plate is connected to the left side of the connecting seat and extends forwards and horizontally, a rubber roller is arranged on the right side surface of the extending section of the roller mounting plate through a roller shaft which axially extends along the left-right horizontal direction, a third motor is fixedly arranged on the left side surface of the extending section of the roller mounting plate, the output shaft of the third motor is coaxially and fixedly connected with the roller shaft of the rubber roller, the roller surface at the front side of the rubber roller faces to the welding seam of the stainless steel pipe, a pipe supporting plate is also fixedly connected to the rod body of the piston rod, and the bottom of the spray pipe section above the rubber roller is provided with a plurality of spray ports, the other end of the spray pipe is connected with a pipe joint, and the pipe joint is connected with an external low-temperature high-pressure water source through a hose.
A nonrust steel pipe welding seam surplus remove device, its characterized in that: the connecting plate is further connected with a first guide rod forwards and horizontally, and the first guide rod penetrates through the end plate at the front end of the base forwards and is in sliding fit with the end plate at the front end.
A nonrust steel pipe welding seam surplus remove device, its characterized in that: the connecting seat is also horizontally connected with a second guide rod backwards, and the second guide rod horizontally backwards penetrates through an end plate at the rear end of the base and is in sliding fit with the rear end plate.
A nonrust steel pipe welding seam surplus remove device, its characterized in that: the rubber roller is characterized in that an electromagnet is further tightly fixed on one side, facing the rubber roller, of the connecting seat, an electromagnet power supply module is arranged on the left side face of the roller mounting plate, and the electromagnet power supply module is electrically connected with the electromagnet through a lead.
A nonrust steel pipe welding seam surplus remove device, its characterized in that: each clamping and fixing device comprises round tables axially along the left and right horizontal directions, the round tables on two sides are coaxially opposite, the axial ends, opposite to each other, of the round tables on two sides are defined to be inner end faces respectively, the axial other ends of the round tables on two sides are outer end faces respectively, the centers of the inner end faces of the round tables are rotatably connected to the inner side plate faces of corresponding side supporting plates through the rotating shafts which are coaxially connected, a double-head hydraulic cylinder is fixed at the center position of the outer end faces of the round tables, the axial direction of the double-head hydraulic cylinder is parallel to one of the radial directions of the round tables, inner clamping blocks are fixedly connected to the rod ends of two piston rods of the double-head hydraulic cylinder respectively, sliding grooves are formed in the positions, corresponding to each inner clamping block;
the axial direction of each round platform is parallel to the axial direction of the double-head hydraulic cylinder, a piston rod of the third hydraulic cylinder penetrates through the hydraulic cylinder seat and then extends out of the outer end surface of the corresponding round platform, the rod end of the piston rod of each third hydraulic cylinder is fixedly connected with an outer clamping block, the round platform is provided with a sliding hole penetrating through the round platform corresponding to each outer clamping block, the extending direction of the sliding hole is parallel to the axial direction of the double-head hydraulic cylinder, the outer clamping block penetrates through the sliding hole and extends out of the inner end surface of the round platform, the outer clamping blocks are in relative sliding fit with the sliding hole, the positions of the inner clamping blocks and the outer clamping blocks are in one-to-one correspondence, the stainless steel pipes are coaxially arranged between the two round platforms, and the inner clamping blocks and the outer clamping blocks which are opposite to each other of the round platforms clamp and fix the pipe walls of the stainless steel pipes corresponding to the pipe ends, realize the fixed to stainless steel pipe.
A nonrust steel pipe welding seam surplus remove device, its characterized in that: the left side of base horizontally connect with the left side slide rail to the left, the right side of base horizontally connect with the right side slide rail to the right, left and right side backup pad lower extreme slidable mounting respectively on the slide rail of corresponding side, left side slide rail left end, right side slide rail right-hand member fixedly connected with support upwards respectively, fixed mounting has the fourth pneumatic cylinder on the support, the axial of fourth pneumatic cylinder is along controlling the horizontal direction, after the piston rod of fourth pneumatic cylinder passed corresponding support respectively, fixed connection in the backup pad that corresponds the side again.
The utility model discloses the during operation, press from both sides tight fixing device through in the backup pad and fix nonrust steel pipe, because the backup pad can slide on the slide rail separately under the drive of fourth pneumatic cylinder, consequently through adjusting interval between two backup pads, can make the utility model is suitable for a nonrust steel pipe of different axial length. Meanwhile, after the stainless steel pipe is fixed, the positions of the two supporting plates are integrally adjusted, so that the welding seam position of the stainless steel pipe can be accurately aligned to the grinding wheel.
Then, the first hydraulic cylinder pushes the grinding wheel to tightly press the welding seam of the stainless steel pipe, the second motor is started to enable the grinding wheel to rotate, meanwhile, the first motor is started to drive the clamping and fixing device and the stainless steel pipe to integrally rotate, and the allowance of the welding seam of the stainless steel pipe can be removed through the grinding wheel. Because the allowance thickness of the welding seam of the stainless steel pipe on the circumference is possibly different, the first hydraulic cylinder is required to push the grinding wheel all the time, so that the grinding wheel is always pressed and contacted with the welding seam of the stainless steel pipe.
When the grinding wheel rotates to remove the allowance, the second hydraulic cylinder pushes the rubber roller to enable the roller surface of the rubber roller to be in pressing contact with the welding line, meanwhile, the third motor is started to enable the rubber roller to rotate, and the roller surface of the rubber roller is adsorbed to remove the waste chips generated when the allowance is removed. When the rubber roller removed, the pipe backup pad synchronization action can make the shower be located the rubber roller top all the time, and the low temperature high pressure rivers that outside low temperature high pressure water source provided spout to the rubber roller through the mouth that sprays of shower, can wash away the sweeps on the rubber roller on the one hand, and on the other hand makes and is covered with low temperature water on the rubber roller, and low temperature water contacts with the welding seam again, when the welding seam that is stained with low temperature water rotates to the emery wheel, can play the cooling effect to the emery wheel.
And simultaneously, the utility model discloses be fixed with the electro-magnet in one side of connecting seat orientation rubber roller, the magnetism sweeps on the accessible electro-magnet adsorbed rubber roller, and the cooperation high pressure sprays rivers, can guarantee that the rubber roller is enough clean, prevents that the sweeps from being brought into between emery wheel and the welding seam once more by the rubber roller.
Compared with the prior art, the utility model discloses have good surplus and get rid of the effect to get rid of the surplus in-process at the emery wheel, play cleaning action to the welding seam through the rubber roller, prevent that the sweeps from causing destruction to the welding seam structure. The rubber roller is cleaned by the electromagnet and the spraying water flow synchronously, secondary pollution of scraps can be effectively prevented, low-temperature spraying water can be introduced into the stainless steel pipe by the rubber roller and then introduced into the grinding wheel, a cooling effect can be achieved on the grinding wheel, the abrasion degree of the grinding wheel is reduced, and the service life of the grinding wheel is prolonged.
Drawings
Fig. 1 is a top view of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in figure 1, the device for removing the welding seam allowance of the stainless steel pipe comprises a base 1, wherein the front end and the rear end of the base 1 are respectively and vertically and upwards fixedly connected with an end plate 2, the left side edge and the right side edge of the base 1 are respectively provided with a vertical supporting plate 3, the left supporting plate 3 and the right supporting plate 3 are opposite to each other, the inner side plate surface of each supporting plate facing to the other supporting plate is respectively provided with a clamping and fixing device, the two clamping and fixing devices are opposite to each other, each clamping and fixing device is respectively and rotatably connected with the inner side plate surface of the corresponding supporting plate 3 through a rotating shaft 4 axially, a first motor 5 is installed on the outer plate surface of one of the support plates, an output shaft of the first motor 5 is coaxially and fixedly connected with the corresponding rotating shaft 4, the stainless steel pipe 6 is axially and horizontally placed between the two clamping and fixing devices, and the pipe end of the stainless steel pipe 6 in the corresponding direction is clamped by the two clamping and fixing devices;
a first hydraulic cylinder 7 is fixedly installed on an end plate at the front end of the base 1, the axial direction of the first hydraulic cylinder 7 is along the front-back horizontal direction, a piston rod of the first hydraulic cylinder 7 penetrates through the end plate at the front end and then extends to the stainless steel pipe 6, a connecting plate 8 is fixedly connected to the rod end of the piston rod of the first hydraulic cylinder 7, a U-shaped seat 9 is fixed on one side, facing the stainless steel pipe 6, of the connecting plate 8, a grinding wheel 10 is rotatably installed in a U-shaped opening of the U-shaped seat 9 through a wheel shaft which axially extends along the left-right horizontal direction, the position of the grinding wheel 10 corresponds to the position of a welding seam 11 of the stainless steel pipe 6, a second motor 12 is fixedly installed on the left side;
a second hydraulic cylinder 13 is fixedly arranged on an end plate at the rear end of the base 1, the axial direction of the second hydraulic cylinder 13 is along the front-rear horizontal direction, a piston rod of the second hydraulic cylinder 13 passes through the rear end plate and then extends to the stainless steel pipe 6, the rod end of a piston rod of the second hydraulic cylinder 13 is fixedly connected with a connecting seat 14, the left side of the connecting seat 14 is connected with a roller mounting plate 15, the roller mounting plate 15 extends forwards and horizontally, a rubber roller 16 is rotatably arranged on the right side surface of the extending section of the roller mounting plate 15 along the left-right horizontal direction along the axial direction, a third motor 17 is fixedly arranged on the left side surface of the extending section of the roller mounting plate 15, the output shaft of the third motor 17 is coaxially and fixedly connected with the roller shaft of the rubber roller 16, the front side roller surface of the rubber roller 16 faces to the welding seam 11 of the stainless steel pipe 6, a, one end of the spray pipe 19 extends forwards horizontally and then extends leftwards horizontally to the position above the rubber roller 16, the bottom of the spray pipe section above the rubber roller 16 is provided with a plurality of spray ports 20, the other end of the spray pipe 19 is connected with a pipe joint 21, and the pipe joint 21 is connected with an external low-temperature high-pressure water source through a hose 22.
The connecting plate 8 is further connected with a first guide rod 23 forwards and horizontally, and the first guide rod 23 horizontally forwards penetrates through an end plate at the front end of the base 1 and is in sliding fit with the end plate at the front end.
Connecting seat 14 is further connected with a second guide rod 24 horizontally backwards, and second guide rod 24 horizontally backwards penetrates through the end plate at the rear end of base 1 and is in sliding fit with the rear end plate.
An electromagnet 25 is also closely fixed on one side of the connecting seat 14 facing the rubber roller 16, an electromagnet power supply module 26 is arranged on the left side surface of the roller mounting plate 15, and the electromagnet power supply module 26 is electrically connected with the electromagnet 25 through a lead.
Each clamping and fixing device comprises a circular truncated cone 27 axially along the left-right horizontal direction, the circular truncated cones 27 on two sides are coaxially opposite, the axial ends, opposite to each other, of the circular truncated cones on two sides are defined as inner end surfaces respectively, the axial other ends of the circular truncated cones on two sides are outer end surfaces respectively, the centers of the inner end surfaces of the circular truncated cones 27 are rotatably connected to the inner side plate surfaces of the corresponding side supporting plates 3 through rotating shafts 4 which are coaxially connected, a double-head hydraulic cylinder 28 is fixed at the center of the outer end surface of each circular truncated cone 27, the axial direction of each double-head hydraulic cylinder 28 is parallel to one of the radial directions of the circular truncated cones 27, inner clamping blocks 29 are fixedly connected to the rod ends of two piston rods of each double-head hydraulic cylinder 28 respectively, a sliding groove 30 is arranged at the position, the extending direction;
the positions of the two axial parallel radial ends of each round platform 27 of the double-head hydraulic cylinder 28 are respectively fixedly connected with a hydraulic cylinder seat 31, each hydraulic cylinder seat 31 is respectively fixed with a third hydraulic cylinder 32, the axial direction of the third hydraulic cylinder 32 is parallel to the axial direction of the double-head hydraulic cylinder 28, a piston rod of the third hydraulic cylinder 32 respectively penetrates through the hydraulic cylinder seat 31 and then extends out of the outer end surface of the corresponding round platform 27, the rod end of the piston rod of each third hydraulic cylinder 32 is respectively fixedly connected with an outer clamping block 33, the positions of the round platforms 27 corresponding to the outer clamping blocks 33 are respectively provided with a sliding hole 34 penetrating through the round platform, the extending direction of the sliding hole 34 is parallel to the axial direction of the double-head hydraulic cylinder 28, the outer clamping blocks 33 respectively penetrate through the sliding holes 34 and then extend out of the inner end surface of the round platform 27, the outer clamping blocks 33 are in relative sliding fit with the sliding holes 34, the positions of the, the inner and outer clamping blocks 29, 33 of each round platform 27 opposite to each other clamp and fix the pipe wall of the corresponding pipe end of the stainless steel pipe 6, so as to realize the fixation of the stainless steel pipe 6.
Base 1's left side horizontally connect has a left side slide rail to the left, base 1's right side horizontally connect has a right side slide rail to the right side, it is left, 3 lower extremes of right side backup pad are slidable mounting respectively on the slide rail 35 of corresponding side, left side slide rail left end, right side slide rail right-hand member fixedly connected with support 36 that makes progress respectively, fixed mounting has fourth pneumatic cylinder 37 on the support 36, horizontal direction about the axial of fourth pneumatic cylinder 37 is along, after the piston rod of fourth pneumatic cylinder 37 passed corresponding support 36 respectively, fixed connection is in backup pad 3 that corresponds the side again.
The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.
Claims (6)
1. The utility model provides a nonrust steel pipe welding seam surplus remove device which characterized in that: the stainless steel pipe clamping device comprises a base, wherein end plates are fixedly connected to the front end and the rear end of the base in an upward vertical mode respectively, vertical supporting plates are arranged outside the left side edge and the right side edge of the base respectively, the left supporting plate and the right supporting plate are opposite to each other, clamping fixing devices are arranged on the inner side surface, facing the supporting plate on the other side, of each side supporting plate respectively, the clamping fixing devices on the two sides are opposite to each other, each clamping fixing device is connected to the inner side surface of the corresponding supporting plate in a rotating mode along the left horizontal direction and the right horizontal direction in an axial direction respectively, a first motor is arranged on the outer side surface of one supporting plate, an output shaft of the first motor is coaxially and fixedly connected with the corresponding rotating shaft, a stainless steel;
a first hydraulic cylinder is fixedly installed on an end plate at the front end of the base, the first hydraulic cylinder axially extends along the front-back horizontal direction, a piston rod of the first hydraulic cylinder penetrates through the front end plate and then extends to the stainless steel pipe, a connecting plate is fixedly connected to the rod end of the piston rod of the first hydraulic cylinder, a U-shaped seat is fixedly installed on one side, facing the stainless steel pipe, of the connecting plate, a grinding wheel is rotatably installed in a U-shaped opening of the U-shaped seat through a wheel shaft axially along the left-right horizontal direction, the position of the grinding wheel corresponds to the position of a welding seam of the stainless steel pipe, a second motor is fixedly installed on the left side or the right side of;
a second hydraulic cylinder is fixedly arranged on an end plate at the rear end of the base, the axial direction of the second hydraulic cylinder is along the front-rear horizontal direction, a piston rod of the second hydraulic cylinder penetrates through the rear end plate and then extends to the stainless steel pipe, a connecting seat is fixedly connected to the rod end of the piston rod of the second hydraulic cylinder, a roller mounting plate is connected to the left side of the connecting seat and extends forwards and horizontally, a rubber roller is arranged on the right side surface of the extending section of the roller mounting plate through a roller shaft which axially extends along the left-right horizontal direction, a third motor is fixedly arranged on the left side surface of the extending section of the roller mounting plate, the output shaft of the third motor is coaxially and fixedly connected with the roller shaft of the rubber roller, the roller surface at the front side of the rubber roller faces to the welding seam of the stainless steel pipe, a pipe supporting plate is also fixedly connected to the rod body of the piston rod, and the bottom of the spray pipe section above the rubber roller is provided with a plurality of spray ports, the other end of the spray pipe is connected with a pipe joint, and the pipe joint is connected with an external low-temperature high-pressure water source through a hose.
2. The device for removing the welding seam allowance of the stainless steel pipe according to the claim 1, characterized in that: the connecting plate is further connected with a first guide rod forwards and horizontally, and the first guide rod penetrates through the end plate at the front end of the base forwards and is in sliding fit with the end plate at the front end.
3. The device for removing the welding seam allowance of the stainless steel pipe according to the claim 1, characterized in that: the connecting seat is also horizontally connected with a second guide rod backwards, and the second guide rod horizontally backwards penetrates through an end plate at the rear end of the base and is in sliding fit with the rear end plate.
4. The device for removing the welding seam allowance of the stainless steel pipe according to the claim 1, characterized in that: the rubber roller is characterized in that an electromagnet is further tightly fixed on one side, facing the rubber roller, of the connecting seat, an electromagnet power supply module is arranged on the left side face of the roller mounting plate, and the electromagnet power supply module is electrically connected with the electromagnet through a lead.
5. The device for removing the welding seam allowance of the stainless steel pipe according to the claim 1, characterized in that: each clamping and fixing device comprises round tables axially along the left and right horizontal directions, the round tables on two sides are coaxially opposite, the axial ends, opposite to each other, of the round tables on two sides are defined to be inner end faces respectively, the axial other ends of the round tables on two sides are outer end faces respectively, the centers of the inner end faces of the round tables are rotatably connected to the inner side plate faces of corresponding side supporting plates through the rotating shafts which are coaxially connected, a double-head hydraulic cylinder is fixed at the center position of the outer end faces of the round tables, the axial direction of the double-head hydraulic cylinder is parallel to one of the radial directions of the round tables, inner clamping blocks are fixedly connected to the rod ends of two piston rods of the double-head hydraulic cylinder respectively, sliding grooves are formed in the positions, corresponding to each inner clamping block;
the axial direction of each round platform is parallel to the axial direction of the double-head hydraulic cylinder, a piston rod of the third hydraulic cylinder penetrates through the hydraulic cylinder seat and then extends out of the outer end surface of the corresponding round platform, the rod end of the piston rod of each third hydraulic cylinder is fixedly connected with an outer clamping block, the round platform is provided with a sliding hole penetrating through the round platform corresponding to each outer clamping block, the extending direction of the sliding hole is parallel to the axial direction of the double-head hydraulic cylinder, the outer clamping block penetrates through the sliding hole and extends out of the inner end surface of the round platform, the outer clamping blocks are in relative sliding fit with the sliding hole, the positions of the inner clamping blocks and the outer clamping blocks are in one-to-one correspondence, the stainless steel pipes are coaxially arranged between the two round platforms, and the inner clamping blocks and the outer clamping blocks which are opposite to each other of the round platforms clamp and fix the pipe walls of the stainless steel pipes corresponding to the pipe ends, realize the fixed to stainless steel pipe.
6. The device for removing the welding seam allowance of the stainless steel pipe according to the claim 1, characterized in that: the left side of base horizontally connect with the left side slide rail to the left, the right side of base horizontally connect with the right side slide rail to the right, left and right side backup pad lower extreme slidable mounting respectively on the slide rail of corresponding side, left side slide rail left end, right side slide rail right-hand member fixedly connected with support upwards respectively, fixed mounting has the fourth pneumatic cylinder on the support, the axial of fourth pneumatic cylinder is along controlling the horizontal direction, after the piston rod of fourth pneumatic cylinder passed corresponding support respectively, fixed connection in the backup pad that corresponds the side again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920957748.9U CN210255479U (en) | 2019-06-25 | 2019-06-25 | Stainless steel pipe welding seam allowance removing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920957748.9U CN210255479U (en) | 2019-06-25 | 2019-06-25 | Stainless steel pipe welding seam allowance removing device |
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| CN210255479U true CN210255479U (en) | 2020-04-07 |
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| CN201920957748.9U Active CN210255479U (en) | 2019-06-25 | 2019-06-25 | Stainless steel pipe welding seam allowance removing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548785A (en) * | 2020-12-09 | 2021-03-26 | 李存 | Energy-saving environment-friendly building steel welding forming method |
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2019
- 2019-06-25 CN CN201920957748.9U patent/CN210255479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548785A (en) * | 2020-12-09 | 2021-03-26 | 李存 | Energy-saving environment-friendly building steel welding forming method |
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