CN214264453U - Steel pipe welding machine convenient to adjust - Google Patents
Steel pipe welding machine convenient to adjust Download PDFInfo
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- CN214264453U CN214264453U CN202120234391.9U CN202120234391U CN214264453U CN 214264453 U CN214264453 U CN 214264453U CN 202120234391 U CN202120234391 U CN 202120234391U CN 214264453 U CN214264453 U CN 214264453U
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- 238000003466 welding Methods 0.000 title claims abstract description 91
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 238000009434 installation Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 6
- 241001330002 Bambuseae Species 0.000 abstract description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 6
- 239000011425 bamboo Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to a steel pipe welding machine convenient to adjust, the on-line screen storage device comprises a base, it is connected with the lead screw to rotate on the base, be equipped with two sections screws that revolve to opposite on the lead screw, sliding connection has two nut pieces on the base, nut piece threaded connection revolves to opposite screw in two sections of lead screws, be connected with the locating lever on the nut piece, one side that the locating lever is close to another locating lever is equipped with a location section of thick bamboo, be equipped with the platform that slides on the base, sliding connection has the sliding block on the platform that slides, the sliding block removes along lead screw length direction, be connected with the cylinder on the sliding block, be connected with welder on the piston rod of cylinder, welder is located the axis top of a location section of thick bamboo. This application has the fixed size of improving the cylindric installed part of longitudinal welder, leads to the effect of the defect of welding efficiency reduction.
Description
Technical Field
The application relates to the field of welding machines, in particular to a steel pipe welding machine convenient to adjust.
Background
The welded steel pipe is formed by bending and deforming strip steel or steel plates into a round or square shape and then welding the steel pipes, and the surface of each welded steel pipe is provided with a welding seam. With the progress of welding technology and inspection technology, the quality of welding seams and the production efficiency of welded pipes are continuously improved, and the varieties and specifications of welded steel pipes are increasing day by day and are widely applied.
The welded steel pipes comprise straight welded pipes and spiral welded pipes, and in order to improve welding efficiency and ensure the quality of welding seams, the welding machine is usually used for replacing manual work to complete the welding work of the steel pipes. A straight seam welding machine is a common straight seam steel pipe welding apparatus, and generally includes a welding portion with a welding torch and a mounting portion for mounting a steel pipe. When a welded steel pipe having a circular cross section is machined, a cylindrical mounting member is usually provided in the mounting portion, and the steel pipe to be welded is fitted over the cylindrical mounting member and then welded by the welding portion.
In view of the above-mentioned related art, the inventor believes that, since the cylindrical installation part of the straight seam welding machine is fixed in size, when straight seam circular pipes with different lengths are welded, the cylindrical installation part with different lengths needs to be replaced to adapt to the size of the steel pipe to be welded, which causes inconvenience to the welding work and reduces the welding efficiency.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that the welding efficiency is reduced due to the fact that the size of a cylindrical mounting piece of a straight seam welding machine is fixed, the application provides a steel pipe welding machine convenient to adjust.
The application provides a steel pipe welding machine convenient to adjust adopts following technical scheme:
the utility model provides a steel pipe welding machine convenient to adjust, includes the base, the swivelling joint has the lead screw on the base, be equipped with two sections screws to opposite, sliding connection has two nut pieces on the base, nut piece threaded connection is on two sections screws to opposite of lead screw, be connected with the locating lever on the nut piece, one side that the locating lever is close to another locating lever is equipped with a location section of thick bamboo, be equipped with the platform that slides on the base, sliding connection has the sliding block on the platform that slides, the sliding block removes along lead screw length direction, be connected with the cylinder on the sliding block, be connected with welder on the piston rod of cylinder, welder is located the axis top of a location section of thick bamboo.
By adopting the technical scheme, when the screw rod is rotated, the nut block moves along the length direction of the screw rod along with the rotation of the screw rod, as the nut block is connected on the two threads with opposite rotation directions through threads, the two nut blocks drive the positioning rods to move towards opposite directions, so that the two positioning cylinders move towards opposite directions, when a straight seam circular pipe needs to be welded, one end of the steel pipe is sleeved on one positioning cylinder, the screw rod is rotated to enable the two positioning cylinders to be close to each other, both ends of the steel pipe are sleeved on the positioning cylinders, the air cylinder is started, the piston rod of the air cylinder drives the welding gun to move, the welding gun can start welding work after being aligned with the welding seam of the steel pipe, the steel pipes with different lengths can be installed because the distance between the positioning cylinders is adjustable, after the welding is completed, the steel pipe is taken down, the installation piece of the steel pipe does not need to be replaced, the next steel pipe to be installed, and the welding efficiency is improved, the defect that the welding efficiency is reduced due to the fact that the cylindrical mounting piece of the straight seam welding machine is fixed in size is overcome.
Optionally, a mounting groove is formed in the base, the screw rod is located in the mounting groove, and two ends of the screw rod are rotatably connected to the side wall of the mounting groove.
By adopting the technical scheme, the installation groove is formed, so that the screw rod is conveniently installed in the base, the space occupied by equipment is reduced, and the possibility of interference of the screw rod on other parts is reduced.
Optionally, one side of the base is provided with a first motor, and an output shaft of the first motor is coaxially connected with one end of the screw rod.
Through adopting above-mentioned technical scheme, when starting first motor, the output shaft of first motor drives the lead screw and rotates, and the setting up of first motor makes the rotation of lead screw need not artifical adjustment, has reduced the manpower consumption for the adjustment of a location section of thick bamboo position is more convenient.
Optionally, the sliding table is rotatably connected with a first connecting shaft and a second connecting shaft, the first connecting shaft is coaxially connected with a first chain wheel, the second connecting shaft is coaxially connected with a second chain wheel, a chain is sleeved on the first chain wheel and the second chain wheel, a second motor is arranged on one side of the sliding table, an output shaft of the second motor is linked with the second connecting shaft, and the sliding block is connected with the chain.
Through adopting above-mentioned technical scheme, start the second motor, the output shaft of second motor rotates, drives the second connecting axle and rotates, and the second connecting axle drives the second sprocket and rotates for the chain rotates along with the second sprocket, and the chain drives the sliding block and slides at the bench that slides, drives welder and removes along lead screw length direction, the setting of second motor, first sprocket, second sprocket and chain, make among the welding process, welder can remove along the welding seam automatically, has improved welded efficiency.
Optionally, the second motor is detachably connected to the sliding table, a second gear is coaxially connected to an output shaft of the second motor, a first gear is coaxially connected to the second connecting shaft, and the first gear is engaged with the second gear.
Through adopting above-mentioned technical scheme, when starting the second motor, the output shaft of second motor drives the second gear rotation, and first gear rotates thereupon, and the second connecting axle drives the second sprocket rotation along with first gear rotation to drive the chain and rotate, the setting of first gear and second gear makes the second motor can dismantle, be convenient for install and change the motor.
Optionally, the sliding table is provided with two sliding strips, an interval is arranged between the sliding strips, the length direction of the sliding strips is consistent with the length direction of the screw rod, the sliding block is provided with two sliding grooves, and the sliding strips are connected in the sliding grooves in a sliding mode.
Through adopting above-mentioned technical scheme, two strips and two setting up of sliding groove make the sliding block obtain balanced support, have improved the stability of sliding block for the sliding of sliding block on the platform that slides is more steady.
Optionally, a piston rod of the cylinder is connected with an extension plate through a flange, and the welding gun is connected with the extension plate.
Through adopting above-mentioned technical scheme, the setting of extension plate is convenient for be close to welder to the axis direction of a location section of thick bamboo, and the flange joint of cylinder piston rod and extension plate is convenient for the installation and the dismantlement of extension plate.
Optionally, the welding gun is connected with the extension plate through a flange.
Through adopting above-mentioned technical scheme, welder and the flange joint of extension board are convenient for install and change welder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the screw rod is rotated, the nut block moves along the length direction of the screw rod along with the rotation of the screw rod, as the nut block is connected on two sections of threads with opposite rotation directions through threads, the two nut blocks drive the positioning rods to move in opposite directions, so that the two positioning cylinders move in opposite directions, when a straight seam circular pipe needs to be welded, one end of the steel pipe is sleeved on one positioning cylinder, the screw rod is rotated to enable the two positioning cylinders to be close to each other, the two ends of the steel pipe are sleeved on the positioning cylinders, the air cylinder is started, the piston rod of the air cylinder drives the welding gun to move, the welding gun is aligned with a welding seam of the steel pipe, the welding work can be started, as the distance between the positioning cylinders can be adjusted, the steel pipes with different lengths can be installed, after the welding is completed, the steel pipe is taken down, the installation piece of the steel pipe does not need to be replaced, the next steel pipe to be installed, the welding efficiency is improved, the size fixation of the cylindrical installation piece of the straight seam welding machine is improved, defects that lead to a reduction in welding efficiency;
2. the second motor is started, the output shaft of the second motor rotates to drive the second connecting shaft to rotate, the second connecting shaft drives the second chain wheel to rotate, the chain rotates along with the second chain wheel, the chain drives the sliding block to slide on the sliding table to drive the welding gun to move along the length direction of the lead screw, and the arrangement of the second motor, the first chain wheel, the second chain wheel and the chain enables the welding gun to automatically move along a welding seam in the welding process, so that the welding efficiency is improved;
3. when the second motor is started, the output shaft of the second motor drives the second gear to rotate, the first gear rotates along with the second gear, the second connecting shaft drives the second chain wheel to rotate along with the first gear, so that the chain is driven to rotate, and the first gear and the second gear are arranged, so that the second motor can be detached, and the motor can be conveniently installed and replaced.
Drawings
FIG. 1 is a schematic structural diagram of a steel pipe welding machine with convenient adjustment according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram for showing a connection relationship between the second motor and the second connecting shaft in the embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
FIG. 4 is a schematic structural diagram for showing the connection relationship between the welding gun and the sliding block in the embodiment of the present application.
Description of reference numerals: 1. a base; 2. mounting grooves; 3. a screw rod; 4. a first mounting plate; 5. a first motor; 6. a nut block; 7. a positioning assembly; 71. positioning a rod; 72. a positioning cylinder; 8. a mounting frame; 81. a sliding table; 82. a support bar; 83. a reinforcing bar; 9. connecting grooves; 10. a first connecting shaft; 11. a second connecting shaft; 12. a first sprocket; 13. a second sprocket; 14. a chain; 15. a first gear; 16. a second mounting plate; 17. a second motor; 18. a second gear; 19. a sliding strip; 20. a sliding block; 21. a sliding groove; 22. connecting blocks; 23. a stretching block; 24. a cylinder; 25. an extension plate; 26. and (4) welding the welding gun.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a steel pipe welding machine convenient to adjust. Referring to fig. 1, the steel pipe welding machine convenient to adjust comprises a base 1, wherein a mounting groove 2 is formed in the top of the base 1, the mounting groove 2 is located on one side of the width direction of the base 1, the opening of the mounting groove 2 is upward, and the length direction of the mounting groove 2 is consistent with the length direction of the base 1.
Referring to fig. 1, a screw rod 3 is arranged in the mounting groove 2, the length direction of the screw rod 3 is consistent with that of the mounting groove 2, two ends of the screw rod 3 penetrate through the side wall of the mounting groove 2, and two ends of the screw rod 3 are rotatably connected to the base 1. One side fixedly connected with first mounting panel 4 of base 1 length direction, fixedly connected with first motor 5 on the first mounting panel 4, the coaxial fixed connection of one end of the output shaft of first motor 5 and lead screw 3.
Referring to fig. 1, the screw rod 3 is provided with two sections of threads with opposite turning directions. Two nut blocks 6 are connected in the mounting groove 2 in a sliding mode, and the nut blocks 6 are connected to two sections of threads, with opposite screwing directions, of the screw rod 3 in a threaded mode. The nut block 6 is provided with a positioning assembly 7, and the positioning assembly 7 comprises a positioning rod 71 and a positioning cylinder 72. The positioning rod 71 is vertically arranged, and the positioning rod 71 is fixedly connected to the top of the nut block 6. The positioning cylinder 72 is a hollow cylindrical cylinder, the positioning cylinder 72 is fixedly connected to one side of the positioning rod 71 close to the other positioning rod 71, and the positioning cylinder 72 is located at one end of the side wall of the positioning rod 71, which is far away from the nut block 6. The axes of the two positioning cylinders 72 coincide.
Referring to fig. 1, the top of base 1 is equipped with mounting bracket 8, and mounting bracket 8 is located the one side that base 1 width direction deviates from mounting groove 2, and mounting bracket 8 is including sliding platform 81 and four spinal branch vaulting poles 82. The slide table 81 is located above the base 1, and the longitudinal direction of the slide table 81 coincides with the longitudinal direction of the base 1. The bracing piece 82 is vertical to be set up in four angles of the platform 81 bottom that slides, the one end of bracing piece 82 with slide platform 81 fixed connection, the other end and the base 1 fixed connection of bracing piece 82. Two supporting rods 82 in the length direction of the sliding table 81 are taken as a group, a reinforcing rod 83 horizontally arranged is arranged between each group of supporting rods 82, one end of the reinforcing rod 83 is fixedly connected with the supporting rods 82, and the other end of the reinforcing rod 83 is fixedly connected with the other supporting rod 82 in the same group.
Referring to fig. 2, the sliding table 81 is provided with a connecting groove 9, the connecting groove 9 is a through groove in the vertical direction, and the length direction of the connecting groove 9 is consistent with the length direction of the sliding table 81. A first connecting shaft 10 and a second connecting shaft 11 are arranged in the connecting groove 9, the first connecting shaft 10 is located at one end of the connecting groove 9 in the length direction, and the second connecting shaft 11 is located at the other end of the connecting groove 9 in the length direction. The length direction of the first connecting shaft 10 is consistent with the width direction of the connecting groove 9, and both ends of the first connecting shaft 10 are rotatably connected to the side walls of the connecting groove 9. The length direction of the second connecting shaft 11 is consistent with the width direction of the connecting groove 9, and two ends of the second connecting shaft 11 are rotatably connected to the side wall of the connecting groove 9.
Referring to fig. 2 and 3, a first sprocket 12 is coaxially and fixedly connected to the first connecting shaft 10, a second sprocket 13 is coaxially and fixedly connected to the second connecting shaft 11, a chain 14 is sleeved on the first sprocket 12 and the second sprocket 13, the chain 14 is meshed with the first sprocket 12, and the chain 14 is meshed with the second sprocket 13. One end of the second connecting shaft 11 penetrates through the sliding table 81, and one end of the second connecting shaft 11 penetrating through the sliding table 81 is coaxially and fixedly connected with the first gear 15. One side of the sliding table 81 is fixedly connected with a second mounting plate 16, and the second mounting plate 16 and the first gear 15 are located on the same side of the sliding table 81. A second motor 17 (bolts are not shown in the figure) is fixed on the second mounting plate 16 through bolts, a second gear 18 is coaxially and fixedly connected to an output shaft of the second motor 17, and the second gear 18 is meshed with the first gear 15.
Referring to fig. 1, two sliding strips 19 are fixedly connected to the top of the sliding table 81, the sliding strips 19 are located at two sides of the connecting groove 9, and the length direction of the sliding strips 19 is the same as the length direction of the sliding table 81. The sliding table 81 is provided with a sliding block 20, the length direction of the sliding block 20 is consistent with the width direction of the sliding table 81, two sliding grooves 21 are formed in the bottom of the sliding block 20, the opening of each sliding groove 21 is downward, and each sliding groove 21 is a through groove along the length direction of the sliding table 81. The sliding bar 19 is in sliding fit with the sliding groove 21, so that the sliding block 20 is slidably connected to the sliding table 81. The bottom of the sliding block 20 is fixedly connected with a connecting block 22, the connecting block 22 is located in the connecting groove 9, and two sides of the connecting block 22 are fixedly connected with the chain 14.
Referring to fig. 1 and 4, an extension block 23 is fixedly connected to one side of the sliding block 20 in the longitudinal direction, and the longitudinal direction of the extension block 23 coincides with the longitudinal direction of the sliding block 20. The bottom of the extension block 23 is fixedly connected with a cylinder 24, and the cylinder 24 is positioned at one end of the extension block 23 deviating from the sliding block 20 in the length direction. An extension plate 25 is arranged below the air cylinder 24, the length direction of the extension plate 25 is consistent with that of the extension block 23, and a piston rod of the air cylinder 24 is fixed with one end of the extension plate 25 through a flange. A welding gun 26 is arranged below the extension plate 25, the welding gun 26 is fixed with the extension plate 25 through a flange, the welding gun 26 is positioned at one end, away from the air cylinder 24, of the extension plate 25 in the length direction, and the welding gun 26 is positioned above the axis of the positioning cylinder 72.
The implementation principle of the steel pipe welding machine convenient to adjust in the embodiment of the application is as follows: before welding a straight seam circular tube, one end of a steel tube is sleeved on one positioning cylinder 72, the first motor 5 is started, an output shaft of the first motor 5 drives the screw rod 3 to rotate, and under the driving of the screw rod 3, the nut block 6 in the mounting groove 2 moves along the length direction of the screw rod 3 to drive the positioning rod 71 to move, so that the positioning cylinder 72 is driven to move. Because the nut block 6 is in threaded connection with the two sections of threads with opposite screwing directions, the nut block 6 drives the positioning component 7 to move in opposite directions. The two nut blocks 6 are close to each other by adjusting the steering of the screw rod 3 through the first motor 5, so that the two positioning cylinders 72 are close to each other, the two ends of the steel pipe are sleeved on the positioning cylinders 72, and the first motor 5 is turned off.
The position of the steel pipe is adjusted so that the weld of the steel pipe is positioned below the welding torch 26. The cylinder 24 is actuated, and the piston rod of the cylinder 24 drives the extension plate 25 to move downward, so that the welding gun 26 moves toward the direction of the welding seam. After the welding gun 26 moves to a required position, the air cylinder 24 is closed, the welding gun 26 is started to weld the welding seam, meanwhile, the second motor 17 is started, the output shaft of the second motor 17 drives the second gear 18 to rotate, the first gear 15 rotates along with the second gear 18 to drive the second connecting shaft 11 to rotate, and the chain 14 rotates along with the second gear to drive the connecting block 22 connected with the chain 14 to move along the length direction of the connecting groove 9. The sliding block 20 moves along the length direction of the sliding table 81 along with the connecting block 22, and drives the extension plate 25 to move, so that the air cylinder 24 moves along the length direction of the base 1, and the welding gun 26 is driven to move along the welding seam.
After the welding is completed, the welding gun 26 is turned off, the first motor 5 is started, the two positioning cylinders 72 are moved away from each other, and the steel pipe is taken down. Because the distance between the positioning cylinders 72 is adjustable, the welding machine can adapt to steel pipes with different lengths, and after the welded steel pipe is taken down, the next steel pipe to be welded can be installed without replacing the installation part, so that the welding efficiency of the welding machine is improved. The positioning assembly 7 improves the size fixation of the cylindrical mounting part of the straight seam welding machine, and the defect of reduced welding efficiency is caused.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a steel pipe welding machine convenient to adjust which characterized in that: comprises a base (1), a screw rod (3) is rotationally connected on the base (1), two sections of threads with opposite rotation directions are arranged on the screw rod (3), two nut blocks (6) are connected on the base (1) in a sliding way, the nut block (6) is connected with two sections of threads with opposite rotating directions of the screw rod (3) in a threaded manner, the nut block (6) is connected with a positioning rod (71), one side of the positioning rod (71) close to the other positioning rod (71) is provided with a positioning cylinder (72), a sliding table (81) is arranged on the base (1), a sliding block (20) is connected on the sliding table (81) in a sliding way, the sliding block (20) moves along the length direction of the screw rod (3), the sliding block (20) is connected with an air cylinder (24), a piston rod of the air cylinder (24) is connected with a welding gun (26), and the welding gun (26) is located above the axis of the positioning cylinder (72).
2. A steel pipe welding machine facilitating adjustment as claimed in claim 1 wherein: the base (1) is provided with an installation groove (2), the screw rod (3) is positioned in the installation groove (2), and two ends of the screw rod (3) are rotatably connected to the side wall of the installation groove (2).
3. A steel pipe welding machine facilitating adjustment as claimed in claim 1 wherein: one side of the base (1) is provided with a first motor (5), and an output shaft of the first motor (5) is coaxially connected with one end of the screw rod (3).
4. A steel pipe welding machine facilitating adjustment as claimed in claim 1 wherein: it is connected with first connecting axle (10) and second connecting axle (11) to rotate on platform (81) slides, coaxial coupling has first sprocket (12) on first connecting axle (10), coaxial coupling has second sprocket (13) on second connecting axle (11), the cover is equipped with chain (14) on first sprocket (12) and second sprocket (13), one side of platform (81) slides is equipped with second motor (17), the output shaft and the second connecting axle (11) linkage of second motor (17), sliding block (20) are connected with chain (14).
5. A steel pipe welding machine as defined in claim 4 which is easy to adjust: the second motor (17) is detachably connected with the sliding table (81), a second gear (18) is coaxially connected to an output shaft of the second motor (17), a first gear (15) is coaxially connected to the second connecting shaft (11), and the first gear (15) is meshed with the second gear (18).
6. A steel pipe welding machine facilitating adjustment as claimed in claim 1 wherein: it slides strip (19) to be equipped with two on platform (81) of sliding, two there is the interval between the strip (19) of sliding, the length direction of the strip (19) of sliding is unanimous with lead screw (3) length direction, two grooves (21) of sliding have been seted up on sliding block (20), the strip (19) sliding connection that slides in the groove (21) of sliding.
7. A steel pipe welding machine facilitating adjustment as claimed in claim 1 wherein: the piston rod of the air cylinder (24) is connected with an extension plate (25) through a flange, and the welding gun (26) is connected with the extension plate (25).
8. A steel pipe welding machine as claimed in claim 7 which is easy to adjust and characterised in that: the welding gun (26) is connected with the extension plate (25) through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120234391.9U CN214264453U (en) | 2021-01-27 | 2021-01-27 | Steel pipe welding machine convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120234391.9U CN214264453U (en) | 2021-01-27 | 2021-01-27 | Steel pipe welding machine convenient to adjust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214264453U true CN214264453U (en) | 2021-09-24 |
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ID=77768922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120234391.9U Expired - Fee Related CN214264453U (en) | 2021-01-27 | 2021-01-27 | Steel pipe welding machine convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214264453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669954A (en) * | 2022-03-31 | 2022-06-28 | 浙江惠创风机有限公司 | Axial fan dryer weld forming device |
-
2021
- 2021-01-27 CN CN202120234391.9U patent/CN214264453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669954A (en) * | 2022-03-31 | 2022-06-28 | 浙江惠创风机有限公司 | Axial fan dryer weld forming device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |