CN110918787A - Wind power generation tower door frame forming and flange correcting device - Google Patents
Wind power generation tower door frame forming and flange correcting device Download PDFInfo
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- CN110918787A CN110918787A CN201911189980.3A CN201911189980A CN110918787A CN 110918787 A CN110918787 A CN 110918787A CN 201911189980 A CN201911189980 A CN 201911189980A CN 110918787 A CN110918787 A CN 110918787A
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- wind power
- door frame
- fixedly connected
- flange
- correcting device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0236—Tool clamping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of part processing of wind power generation equipment, and discloses a device for forming a door frame and correcting a flange of a wind power generation tower frame. This shaping of wind power generation pylon door frame and flange correcting unit conveniently corrects pylon door frame and flange and carries out integration processing, and whole process need not to carry out the dismouting change to the mould to effectively improve machining efficiency.
Description
Technical Field
The invention relates to the technical field of processing of parts of wind power generation equipment, in particular to a device for forming a door frame and correcting a flange of a wind power generation tower.
Background
Wind energy is regarded as a clean renewable energy source, is more and more valued by countries in the world, and has huge abundance, and the countries attach importance to new energy strategies, and the wind power industry rises rapidly in China.
With the development of the wind power industry and the intense market competition, the manufacture of wind power towers with high quality and high efficiency has become a necessary trend. The door frame in the wind power tower is not only good in quality but also attractive in appearance, the door frame is usually welded together by two steel plates after being bent and formed through numerical control cutting, the designed bending effect is difficult to achieve in the bending and forming process of the door frame of the wind power tower by using the conventional large plate bending machine, manual further processing and forming are needed, and time is consumed and forming is not good; the existing forming equipment has the problems of complex operation, inconvenient access during bending of the steel plate, inconvenient adjustment during bending of the steel plate and potential safety hazard. The lower flange of the foundation ring is used as the most basic component of the wind power tower, the welding quality and the flange flatness of the lower flange of the foundation ring are crucial, the lower flange of the foundation ring is formed by welding 6 pieces, in order to ensure the penetration and the welding quality of a welding seam, grooves are formed on the lower flanges of the single pieces according to the process requirements, the welding is carried out after the grooves are completed, and welding deformation is easy to generate due to the thermal action of electric arcs in the welding process, so that the flange flatness cannot be ensured. If the door frame forming and the flange correcting under the foundation ring are completed by the same equipment, the capital investment can be reduced, the service time of the equipment and the dispatching of workers can be reasonably distributed, and the production efficiency is further improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wind power generation tower door frame forming and flange correcting device which has the advantage of high processing efficiency and solves the problem that the processing efficiency is influenced because the wind power generation tower door frame forming and flange correcting are inconvenient to integrally process in the prior art.
(II) technical scheme
In order to achieve the purpose of high processing efficiency, the invention provides the following technical scheme: a door frame forming and flange correcting device for a wind power generation tower comprises a base, guide rods are symmetrically and fixedly connected to the upper surface of the base, a top plate is fixedly connected to the other ends of the two guide rods, a hydraulic cylinder is fixedly mounted on the upper surface of the top plate, a piston rod of the hydraulic cylinder penetrates through the top plate and extends downwards, a U-shaped frame is fixedly connected with the top plate, rotating shafts are symmetrically arranged on the side walls, close to the bottom end, of the U-shaped frame, penetrate through the side walls of the U-shaped frame and are rotatably connected with the side walls of the U-shaped frame through first bearings, a positioning mechanism is mounted between each rotating shaft and the U-shaped frame, a supporting plate is fixedly connected between the two rotating shafts, a disc-shaped upper die is fixedly mounted on the upper surface of the supporting plate, an arc-shaped upper die is fixedly mounted on the lower surface of the supporting plate, a rotating plate is mounted below the, and the gyro wheel is installed to the top symmetry of circular arc type lower mould, the lower fixed surface of commentaries on classics board install with disc type go up mould assorted ring type lower mould, the both ends symmetry fixedly connected with commentaries on classics round pin and the bull stick of commentaries on classics board, the commentaries on classics round pin rotates with one of them guide bar through the second bearing and is connected, another fixedly connected with fixed plate on the lateral wall of guide bar, and fixed mounting has gear motor on the fixed plate, the one end of bull stick runs through the guide bar and through shaft coupling and gear motor's output fixed connection, and the bull stick rotates with the guide bar and is connected.
Preferably, positioning mechanism includes fixed block of fixed connection on U type frame lateral wall, run through on the fixed block and be provided with the pull rod, and pull rod and fixed block sliding connection, set up in the pivot with pull rod assorted locating hole, the locating hole setting is passed to the bottom of pull rod, the lower fixed surface of fixed block is connected with the spring, and the pull rod passes the spring setting, the spring is kept away from the one end fixedly connected with annular piece of fixed block, and the fixed cup of annular piece sets up on the pull rod.
Preferably, a projection is fixedly connected to a rod wall at the top end of the rotating rod, stoppers which are symmetrical with respect to the rotating rod are symmetrically and fixedly connected to a side wall of the guide rod, and the projection abuts against one of the stoppers.
Preferably, the four corners of the base are provided with positioning holes.
Preferably, the speed reducing motor is a servo speed reducing motor.
Preferably, the two opposite side walls of the U-shaped frame are symmetrically and fixedly connected with guide sleeves matched with the guide rods, the guide rods penetrate through the guide sleeves, and the guide sleeves are connected with the guide rods in a sliding mode.
Preferably, the lower end of the pull rod is fixedly connected with a pull ring.
Preferably, an elastic rubber pad is arranged at the joint of the pull rod and the positioning hole.
Preferably, a plurality of ball grooves have been seted up to the symmetry on the inner wall of uide bushing, and the ball inslot installs the ball that matches, the ball is kept away from the one end of ball groove tank bottom and is passed the notch in ball groove and outwards extend, and with the outer pole wall roll connection of guide bar.
Preferably, the ball has a ball diameter larger than a groove diameter of a ball groove opening.
(III) advantageous effects
Compared with the prior art, the invention provides a device for forming a door frame and correcting a flange of a wind power generation tower, which has the following beneficial effects:
the device for forming the door frame and correcting the flange of the wind power generation tower comprises a hydraulic cylinder, a U-shaped frame, a rotating shaft, a positioning mechanism, a supporting plate, a disc-shaped upper die, an arc-shaped upper die, a rotating plate, an arc-shaped lower die, rollers, an annular lower die, a rotating rod and a speed reduction motor, wherein when the tower door frame is formed, a steel plate is placed between the arc-shaped upper die and the arc-shaped lower die, the hydraulic cylinder is started to drive the U-shaped frame to descend, the U-shaped frame drives the arc-shaped upper die arranged on the lower surface of the supporting plate to descend, the rollers at the top end of the arc-shaped lower die are matched, so that the steel plate is convenient to be bent, when the flange is corrected, the speed reduction motor is started to drive the rotating rod connected with the rotating plate to rotate 180 degrees, the annular lower die arranged on the lower surface of the rotating, make the backup pad upper surface mounting's disc type go up the mould and rotate to the lower surface of backup pad, then, conveniently fix a position the backup pad through positioning mechanism, avoid it to take place to rotate, arrange the flange in between disc type goes up mould and the ring type lower mould, start up the pneumatic cylinder and drive the decline of U type frame, it is tight to make disc type go up mould and ring type lower mould clamp, thereby the convenient depth of parallelism to the flange carries out the check-up, thereby make pylon door frame and flange correction processing can carry out the integration processing, whole process need not to carry out the dismouting change to the mould, thereby effectively improve machining efficiency.
Drawings
FIG. 1 is a schematic structural view of a wind power tower doorframe forming and flange correcting device according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1.
In the figure: the device comprises a base 1, a guide rod 2, a top plate 3, a hydraulic cylinder 4, a U-shaped frame 5, a rotating shaft 6, a supporting plate 7, an upper disc-shaped die 8, an upper arc-shaped die 9, a rotating plate 10, a lower arc-shaped die 11, a roller 12, a lower ring-shaped die 13, a rotating rod 14, a speed reduction motor 15, a fixed block 16, a pull rod 17, a spring 18, an annular block 19, a convex block 20, a stop block 21, a positioning hole 22, a guide sleeve 23, a pull ring 24, a ball groove 25 and a ball 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a door frame forming and flange correcting device for a wind power tower comprises a base 1, guide rods 2 are symmetrically and fixedly connected to the upper surface of the base 1, a top plate 3 is fixedly connected to the other ends of the two guide rods 2, a hydraulic cylinder 4 is fixedly mounted on the upper surface of the top plate 3, a piston rod of the hydraulic cylinder 4 penetrates through the top plate 3 and extends downwards, a U-shaped frame 5 is fixedly connected to the upper surface of the base, a rotating shaft 6 is symmetrically arranged on the side wall of the U-shaped frame 5 near the bottom end, the rotating shaft 6 penetrates through the side wall of the U-shaped frame 5, the rotating shaft 6 is rotatably connected with the side wall of the U-shaped frame 5 through a first bearing, a positioning mechanism is mounted between the rotating shaft 6 and the U-shaped frame 5, a support plate 7 is fixedly connected between the two rotating shafts 6, a disc-shaped upper, the below of backup pad 7 is equipped with changes board 10, the last fixed surface of commentaries on classics board 10 install with circular arc type go up mould 9 assorted circular arc type lower mould 11, and the top symmetry of circular arc type lower mould 11 installs gyro wheel 12, the lower fixed surface of commentaries on classics board 10 install with disc type go up mould 8 assorted circular arc type lower mould 13, the both ends symmetry fixedly connected with of commentaries on classics board 10 changes round pin and bull stick 14, it rotates with one of them guide bar 2 through the second bearing to change the round pin to be connected, fixedly connected with fixed plate on the lateral wall of another guide bar 2, and fixed mounting has gear motor 15 on the fixed plate, the one end of bull stick 14 runs through guide bar 2 and the output fixed connection through shaft coupling and gear motor 15, and bull stick 14 rotates with guide bar.
The positioning mechanism comprises a fixed block 16 fixedly connected on the outer side wall of the U-shaped frame 5, a pull rod 17 penetrates through the fixed block 16, the pull rod 17 is connected with the fixed block 16 in a sliding manner, a positioning hole matched with the pull rod 17 is formed in the rotating shaft 6, the bottom end of the pull rod 17 penetrates through the positioning hole, a spring 18 is fixedly connected to the lower surface of the fixed block 16, the pull rod 17 penetrates through the spring 18, an annular block 19 is fixedly connected to one end, away from the fixed block 16, of the spring 18, the annular block 19 is fixedly sleeved on the pull rod 17, when the tower frame is formed, a steel plate is placed between the arc-shaped upper die 9 and the arc-shaped lower die 11, the hydraulic cylinder 4 is started to drive the U-shaped frame 5 to descend, the arc-shaped upper die 9 mounted on the lower surface of the supporting plate 7 is driven by the U-shaped frame 5 to descend and is matched, starting a speed reduction motor 15 to drive a rotating rod 14 connected with a rotating plate 10 to rotate 180 degrees, so that an annular lower die 13 arranged on the lower surface of the rotating plate 10 rotates to the upper surface of the rotating plate 10, simultaneously, pulling a pull rod 17 to be separated from a positioning hole on a rotating shaft 6 and driving an annular block 19 to compress a spring 18, thereby conveniently regulating and controlling a supporting plate 7 connected with the rotating shaft 6 to rotate 180 degrees, so that a disc-shaped upper die 8 arranged on the upper surface of the supporting plate 7 rotates to the lower surface of the supporting plate 7, then, loosening the pull rod 17, driving the pull rod 17 to reset by the spring 18, so that the pull rod 17 is inserted into the positioning hole on the rotating shaft 6, thereby conveniently positioning the supporting plate 7 and avoiding the rotation of the supporting plate, placing a flange between the disc-shaped upper die 8 and the annular lower die 13, starting a hydraulic cylinder 4 to drive a U-shaped frame 5 to descend, so that the disc-shaped upper, thereby make pylon door frame and flange correction processing can carry out integration processing, whole process need not to carry out the dismouting change to the mould to effectively improve machining efficiency.
The lug 20 is fixedly connected to the rod wall at the top end of the rotating rod 14, the stoppers 21 which are symmetrical about the rotating rod 14 are symmetrically and fixedly connected to the side wall of the guide rod 2, the lug 20 abuts against one of the stoppers 21, the rotating rod 14 drives the lug 20 to synchronously rotate, and when the lug 20 abuts against the stopper 21, the rotating rod 14 just rotates 180 degrees, so that the rotating rod 14 is conveniently positioned in a rotating manner.
The locating hole 22 has all been seted up to the four corners department of base 1, conveniently fixes a position the installation to base 1.
The reduction motor 15 is a servo reduction motor, and it is convenient to control the rotation direction of the reduction motor 15 by changing the current direction.
Symmetrical fixedly connected with and 2 assorted uide bushing 23 of guide bar on the lateral wall back to the back of the body in both sides of U type frame 5, guide bar 2 passes uide bushing 23 setting, and uide bushing 23 and 2 sliding connection of guide bar, conveniently goes up and down the direction to U type frame 5, improves the stability that U type frame 5 goes up and down.
The lower end of the pull rod 17 is fixedly connected with a pull ring 24 which is convenient for driving the pull rod 17 to slide,
an elastic rubber pad is arranged at the joint of the pull rod 17 and the positioning hole, so that the inserting stability of the pull rod 17 and the positioning hole is improved.
A plurality of ball grooves 25 have been seted up to the symmetry on the inner wall of uide bushing 23, and install the ball 26 of matcing in the ball groove 25, and the ball 26 one end of keeping away from the ball groove 25 tank bottom passes the notch of ball groove 25 and outwards extends, and with the outer pole wall roll connection of guide bar 2, reduces the frictional force between uide bushing 23 and the guide bar 2, avoids uide bushing 23 to take place to damage because of the friction.
The ball 26 has a larger diameter than the groove diameter of the notch of the ball groove 25, preventing the ball 26 from being separated from the ball groove 25.
In summary, in the device for forming a door frame and correcting a flange of a wind power generation tower, when a steel plate is placed between an arc-shaped upper die 9 and an arc-shaped lower die 11 during forming of the door frame of the tower, a hydraulic cylinder 4 is started to drive a U-shaped frame 5 to descend, the U-shaped frame 5 drives the arc-shaped upper die 9 mounted on the lower surface of a support plate 7 to descend, and a roller 12 at the top end of the arc-shaped lower die 11 is matched, so that the steel plate can be conveniently bent, when the flange is corrected, a speed reduction motor 15 is started to drive a rotating rod 14 connected with the rotating plate 10 to rotate 180 degrees, so that an annular lower die 13 mounted on the lower surface of the rotating plate 10 rotates to the upper surface of the rotating plate 10, meanwhile, a pull rod 17 is pulled to be separated from a positioning hole on the rotating shaft 6, and an annular block 19 is driven to compress a spring 18, so that the support plate 7 connected with the rotating shaft 6, then, loosen pull rod 17, spring 18 drives pull rod 17 and resets, make it peg graft with the locating hole in the pivot 6, thereby conveniently fix a position backup pad 7, avoid it to take place to rotate, place the flange in between disc type upper die 8 and ring type lower mould 13, it descends to start hydraulic cylinder 4 drive U type frame 5, make disc type upper die 8 and ring type lower mould 13 press from both sides tightly, thereby the convenient depth of parallelism to the flange carries out the check-up, thereby make pylon door frame and flange correction processing can carry out the integration processing, whole process need not to carry out the dismouting change to the mould, thereby effectively improve machining efficiency.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a shaping of wind power generation tower door frame and flange correcting unit, includes base (1), its characterized in that: the upper surface of the base (1) is symmetrically and fixedly connected with guide rods (2), the other ends of the two guide rods (2) are fixedly connected with a top plate (3) together, the upper surface of the top plate (3) is fixedly provided with a hydraulic cylinder (4), a piston rod of the hydraulic cylinder (4) penetrates through the top plate (3) and extends downwards, the U-shaped frame (5) is fixedly connected with a U-shaped frame (5), a rotating shaft (6) is symmetrically arranged on the side wall, close to the bottom end, of the U-shaped frame (5), the rotating shaft (6) penetrates through the side wall of the U-shaped frame (5) and is rotatably connected with the side wall of the U-shaped frame (5) through a first bearing, a positioning mechanism is arranged between the rotating shaft (6) and the U-shaped frame (5), a support plate (7) is fixedly connected between the rotating shaft (6), and a disc-shaped upper die (8), the lower fixed surface of backup pad (7) installs mould (9) on the circular arc type, the below of backup pad (7) is equipped with changes board (10), the last fixed surface of changing board (10) install with mould (9) assorted circular arc type lower mould (11) on the circular arc type, and the top symmetry of circular arc type lower mould (11) installs gyro wheel (12), the lower fixed surface of changing board (10) install with mould (8) assorted ring type lower mould (13) on the circular arc type, the both ends symmetry fixedly connected with of changing board (10) changes round pin and bull stick (14), it rotates with one of them guide bar (2) through the second bearing to change the round pin and be connected, another fixedly connected with fixed plate on the lateral wall of guide bar (2), and fixed mounting has gear motor (15) on the fixed plate, the one end of bull stick (14) runs through guide bar (2) and through the output fixed connection of shaft coupling and gear motor (15), and the rotating rod (14) is rotationally connected with the guide rod (2).
2. The wind power tower door frame forming and flange correcting device of claim 1, wherein: positioning mechanism includes fixed block (16) of fixed connection on U type frame (5) lateral wall, run through on fixed block (16) and be provided with pull rod (17), and pull rod (17) and fixed block (16) sliding connection, set up in pivot (6) with pull rod (17) assorted locating hole, the locating hole setting is passed to the bottom of pull rod (17), the lower fixed surface of fixed block (16) is connected with spring (18), and pull rod (17) pass spring (18) and set up, the one end fixedly connected with annular block (19) of fixed block (16) are kept away from in spring (18), and annular block (19) are fixed cup joint and set up on pull rod (17).
3. The wind power tower door frame forming and flange correcting device of claim 1, wherein: the rotary rod is characterized in that a convex block (20) is fixedly connected to the rod wall at the top end of the rotary rod (14), stop blocks (21) which are symmetrical relative to the rotary rod (14) are symmetrically and fixedly connected to the side wall of the guide rod (2), and the convex block (20) is abutted to one of the stop blocks (21).
4. The wind power tower door frame forming and flange correcting device of claim 1, wherein: the four corners of the base (1) are provided with positioning holes (22).
5. The wind power tower door frame forming and flange correcting device of claim 1, wherein: the speed reducing motor (15) is a servo speed reducing motor.
6. The wind power tower door frame forming and flange correcting device of claim 1, wherein: symmetrical fixedly connected with and guide bar (2) assorted uide bushing (23) on the lateral wall back on the back of the body in both sides of U type frame (5), guide bar (2) pass uide bushing (23) and set up, and uide bushing (23) and guide bar (2) sliding connection.
7. The wind power tower door frame forming and flange correcting device of claim 2, wherein: the lower end of the pull rod (17) is fixedly connected with a pull ring (24).
8. The wind power tower door frame forming and flange correcting device of claim 2, wherein: an elastic rubber pad is arranged at the joint of the pull rod (17) and the positioning hole.
9. The wind power tower door frame forming and flange correcting device of claim 6, wherein: a plurality of ball grooves (25) have been seted up to the symmetry on the inner wall of uide bushing (23), and install ball (26) of matching in ball groove (25), ball (26) are kept away from the notch and the outside extension of ball groove (25) is passed to the one end of ball groove (25) tank bottom, and with the outer pole wall roll connection of guide bar (2).
10. The wind power tower door frame forming and flange correcting device of claim 9, wherein: the ball diameter of the ball (26) is larger than the groove diameter of the notch of the ball groove (25).
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CN201911189980.3A CN110918787A (en) | 2019-11-28 | 2019-11-28 | Wind power generation tower door frame forming and flange correcting device |
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CN201911189980.3A CN110918787A (en) | 2019-11-28 | 2019-11-28 | Wind power generation tower door frame forming and flange correcting device |
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Cited By (3)
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CN114082809A (en) * | 2021-09-26 | 2022-02-25 | 杭州康鹏机械制造有限公司 | Steel plate pressing device and steel plate pressing method |
CN114226502A (en) * | 2021-11-30 | 2022-03-25 | 黄山多杰工程机械有限公司 | Cage door frame correcting unit |
CN116618548A (en) * | 2023-07-26 | 2023-08-22 | 江苏德鹏空调设备有限公司 | Bending device for processing L-shaped radiating fins |
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CN114226502A (en) * | 2021-11-30 | 2022-03-25 | 黄山多杰工程机械有限公司 | Cage door frame correcting unit |
CN114226502B (en) * | 2021-11-30 | 2024-02-02 | 黄山多杰工程机械有限公司 | Cage door frame correcting unit |
CN116618548A (en) * | 2023-07-26 | 2023-08-22 | 江苏德鹏空调设备有限公司 | Bending device for processing L-shaped radiating fins |
CN116618548B (en) * | 2023-07-26 | 2023-09-29 | 江苏德鹏空调设备有限公司 | Bending device for processing L-shaped radiating fins |
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Application publication date: 20200327 |