CN113601822A - Bending device for plastic pipeline and use method - Google Patents
Bending device for plastic pipeline and use method Download PDFInfo
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- CN113601822A CN113601822A CN202110897697.7A CN202110897697A CN113601822A CN 113601822 A CN113601822 A CN 113601822A CN 202110897697 A CN202110897697 A CN 202110897697A CN 113601822 A CN113601822 A CN 113601822A
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- angle plate
- limiting
- electric push
- push rod
- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
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- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a bending device for a plastic pipeline and a using method thereof, the bending device comprises a fixed bottom plate, two sides above the fixed bottom plate are fixedly connected with supporting rods, a first electric push rod is fixedly connected above the supporting rods, the bending angle of an adjustable pipeline angle plate can be adjusted by starting a second electric push rod through the arranged adjustable pipeline angle plate, then the adjustable pipeline angle plate is fixed, the first electric push rod is started to extend the adjustable pipeline angle plate, a section of a straight pipe between the two supporting rods is bent, when the pipe is bent to be attached to the two sides of the adjustable pipeline angle plate, the pipe presses the two sides of the adjustable pipeline angle plate, so that the second electric push rod presses a pressure applying rod, the pressure applying rod pushes a pressure pressing block to transmit pressure to an induction end of a pressure sensor, and an indicator lamp electrically connected with the pressure sensor is lightened, reminding the staff that the angle of buckling has been accomplished, can restrict the fifty percent discount angle.
Description
Technical Field
The invention belongs to the technical field of pipeline processing, and particularly relates to a bending device for a plastic pipeline and a using method of the bending device.
Background
The plastic pipeline is a generic name of a pipe made of a plastic material, has the characteristics of light dead weight, sanitation, safety, small water flow resistance, energy conservation, metal conservation, improvement on living environment, long service life, safety, convenience and the like, is favored by the pipeline engineering community for nearly 10 years, is pulled by the rapid development of the macroscopic economy in China, and is subjected to high-speed development under the background of the great development of chemical building materials.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a bending device for a plastic pipeline and a using method thereof, so as to solve the problems that the existing bending device proposed in the background technology is difficult to control the bending angle, the bending point is uncontrollable, and the disassembly is troublesome after excessive bending.
In order to achieve the purpose, the invention provides the following technical scheme: a bending device for plastic pipelines comprises a fixed base plate, wherein supporting rods are fixedly connected to two sides above the fixed base plate, a first electric push rod is fixedly connected to the upper portion of each supporting rod, an angle plate pushing block is fixedly connected to the other end of the first electric push rod, a pushing block sliding groove is formed in the lower portion of the first electric push rod, the angle plate pushing block is located in the pushing block sliding groove and is in sliding connection with the inner portion of the pushing block sliding groove, an adjustable pipeline angle plate is fixedly connected to the other end of the angle plate pushing block and consists of a bending end in the middle and angle adjusting plates on two sides, a first heat insulation pad is fixedly connected to the middle of the adjustable pipeline angle plate, second heat insulation pads are fixedly connected to two sides of the adjustable pipeline angle plate, a first limiting fixing plate is fixedly connected to the surface of each second heat insulation pad, and a second electric push rod is arranged on one side of the first limiting fixing plate, a first limiting penetrating rod penetrates through the first limiting fixing piece and the second electric push rod, a second limiting penetrating rod penetrates through the other end of the second electric push rod, a pressure applying rod penetrates through the second limiting penetrating rod, a second limiting fixing piece is arranged at the other end of the pressure applying rod, a third limiting penetrating rod penetrates through the second limiting fixing piece and the pressure applying rod, a pressure pressing block is fixedly connected to one side of the second limiting fixing piece, one side of the pressure pressing block is attached to the sensing end of a pressure sensor, the pressure sensor is clamped in the pushing angle plate, an indicating lamp is fixedly connected to the top of the pushing angle plate, a first limiting groove is formed in the middle of the pushing angle plate, the pressure applying rod and the second limiting fixing piece are both located in the first limiting groove, and a partition plate is arranged between the first limiting groove and the pressure sensor, the pressure is pressed the inside sliding connection that the piece is located the baffle according to the pressure, PMKD's inside fixedly connected with motor box, the first DC motor of inside fixedly connected with of motor box, first DC motor's output fixedly connected with axis of rotation, the outside cover of axis of rotation is equipped with solid fixed ring, gu fixed ring's top fixedly connected with installation piece, spacing hole has been seted up to the inside of installation piece, the second spacing groove has been seted up to axis of rotation and solid fixed ring's inside, the inside sliding connection in second spacing groove has the metal gag lever post, the equal fixedly connected with electro-magnet in the inside both ends of axis of rotation, partly seting up in solid fixed ring's inside in second spacing groove, the inside in axis of rotation is seted up to another part in second spacing groove.
Preferably, the pushing block sliding groove is located under the first electric push rod, one end of the first electric push rod is fixedly connected with the top of the supporting rod, the other end of the first electric push rod is fixedly connected with the middle of one side of the angle plate pushing block, and the first electric push rod is parallel to the fixed bottom plate.
Preferably, the angle adjusting plates on two sides of the pipeline angle plate and the bending end in the middle of the first heat insulation pad are provided with hinges, the angle adjusting plates and the bending end are rotatably connected through the hinges, and the second heat insulation pad is fixed in the middle of the angle adjusting plates on two sides respectively.
Preferably, the adjustable pipeline angle plate, the second electric push rod and the pressure applying rod are symmetrically arranged by taking the angle plate pushing block as an axis, the pressure sensor is clamped inside the angle plate pushing block, and the pressure pressing block is located inside the angle plate pushing block and connected in a sliding mode.
Preferably, the number of the first limiting penetrating rods is four, and the four second electric push rods are distributed at the upper end and the lower end of the two sides of the angle plate pushing block.
Preferably, the first electric push rod and the mounting blocks are arranged in a crossed manner, the adjustable pipeline angle plates on two sides are far away from each other, the tips of the adjustable pipeline angle plates are arranged oppositely, and the first electric push rod is arranged between the two mounting blocks.
Preferably, the top of installation piece is provided with can dismantle flip, the installation piece is provided with the hinge with can dismantle flip's one side, the middle part of installation piece is passed through the hinge and is connected with can dismantle flip rotation.
Preferably, the number of the mounting blocks is provided with a plurality of limiting holes, the limiting holes in the mounting blocks are located at the same horizontal position, and the adjustable pipeline angle plate is located in the middle between the two mounting blocks.
Preferably, pilot lamp and pressure sensor electric connection, second electric putter, pressure sensor, pilot lamp, first electric putter, first direct current motor and electro-magnet all with external power source electric connection, the spacing annular has been seted up to solid fixed ring's inside, the spacing soft stopper ring of outside fixedly connected with of axis of rotation, spacing soft stopper ring snap in the inside of spacing annular, PMKD's bottom is provided with the slipmat, PMKD's one side is provided with control switch.
A bending device for plastic pipelines and a using method thereof comprise the following steps:
the method comprises the following steps: during the installation, the straight tube that will buckle inserts in proper order and closes in the inside in a plurality of spacing holes and fix, will dismantle flip again and be fixed in the top of installation piece, makes the pipeline restriction keep the state relatively fixed in the inside of installation piece, and the inside electro-magnet outage of axis of rotation this moment, and the inside electro-magnet start-up of solid fixed ring adsorbs the second spacing groove to solid fixed ring and axis of rotation between the block, makes the straight tube keep fixed.
Step two:
step 2.1: when the bending operation of not limiting the angle is carried out to the alignment, start first direct current motor and drive the axis of rotation and rotate to can drive installation piece and spacing hole and rotate, spacing hole can realize buckling to the plastics straight tube at rotatory in-process, and the in-process straight tube of buckling is located the inside small-amplitude removal in spacing hole and is in order to adapt to the length of buckling.
Step 2.2: when the straight pipe needs to be bent at a fixed angle, the electromagnet on one side of the fixing ring is closed, the electromagnet on one side of the rotating shaft is started to adsorb the metal limiting rod to the inside of the rotating shaft and keep away from the fixing ring, the mounting block is enabled to rotate freely, the second electric push rod is started to adjust the bending angle of the adjustable pipeline angle plate, then the adjustable pipeline angle plate is fixed, the first electric push rod is started to extend the adjustable pipeline angle plate, when a section of the straight pipe between the two support rods is bent to the state that the pipeline is jointed with the two sides of the adjustable pipeline angle plate, the pipeline presses two sides of the adjustable pipeline angle plate, so that the second electric push rod presses the pressure applying rod, the pressure applying rod pushes the pressure pressing block to transmit the pressure to the sensing end of the pressure sensor, thereby make with pressure sensor electric connection's pilot lamp bright, remind the staff angle of buckling to have accomplished.
Step three: when dismantling, the upset is unpacked apart and can be dismantled flip and take out the pipeline after buckling, and when needs buckle not through the pipeline of big or small, the accessible will install the piece and solid fixed ring is extracted and can be changed the installation piece, realizes the processing to different pipelines.
Compared with the prior art, the invention provides a bending device for a plastic pipeline and a using method, and the bending device has the following beneficial effects:
1. according to the invention, the adjustable pipeline angle plate is fixed after the second electric push rod is started to adjust the bending angle of the adjustable pipeline angle plate, the first electric push rod is started to extend the adjustable pipeline angle plate to bend one section of the straight pipe between the two support rods, when the pipe is bent to be attached to two sides of the adjustable pipeline angle plate, the pipe presses two sides of the adjustable pipeline angle plate, the second electric push rod presses the pressure applying rod, the pressure applying rod pushes the pressure pressing block to transmit pressure to the sensing end of the pressure sensor (the model is GG30-G), so that the indicator lamp electrically connected with the pressure sensor is lightened, the worker is reminded that the bending angle is finished, and the bending angle can be limited.
2. According to the invention, through the arranged detachable turnover cover, the bent pipeline can be taken out by turning over and detaching the detachable turnover cover, and when the pipeline which does not pass through the pipeline with different sizes needs to be bent, the mounting block can be replaced by pulling out the mounting block and the fixing ring, so that the pipeline processing with different sizes is realized.
3. According to the invention, through the arranged fixing ring, the electromagnet on one side of the fixing ring is closed, the electromagnet on one side of the rotating shaft is started to adsorb the metal limiting rod to the inside of the rotating shaft and is far away from the fixing ring, so that the mounting block can freely rotate, and the self-adaptive bending angle of the mounting block in the bending process is facilitated.
4. According to the invention, through the plurality of limiting holes, the straight pipe to be bent can be sequentially inserted into the plurality of limiting holes for fixing, and then the detachable turnover cover is fixed at the top of the mounting block, so that the pipeline is limited in the mounting block and is kept in a relatively fixed state, and the bending is convenient.
5. According to the invention, through the arranged electromagnet, the electromagnet in the rotating shaft is powered off, and the electromagnet in the fixing ring is started to adsorb the second limiting groove to the position between the fixing ring and the rotating shaft for clamping, so that the straight pipe is kept fixed, and the pipeline can be conveniently inserted and the first direct current motor can be started to rotate the pipeline by an angle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the internal structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic side view of the internal structure of the present invention;
FIG. 5 is an enlarged view of the structure A proposed by the present invention;
FIG. 6 is an enlarged schematic view of the structure B proposed by the present invention;
FIG. 7 is an enlarged view of the structure C proposed by the present invention;
FIG. 8 is an enlarged view of the structure D proposed by the present invention;
in the figure: 1. fixing the bottom plate; 2. a support bar; 3. a first electric push rod; 4. an angle plate pushing block; 5. a pushing block chute; 6. the pipeline angle plate can be adjusted; 7. a first heat insulating mat; 8. a second heat insulating mat; 9. a first limit fixing piece; 10. a first limit penetrating rod; 11. a second electric push rod; 12. applying a pressure rod; 13. a second limiting penetrating rod; 14. a first limit groove; 15. a second limiting fixing piece; 16. a third limiting penetrating rod; 17. a pressure pressing block; 18. a pressure sensor; 19. a motor box; 20. a first direct current motor; 21. a rotating shaft; 22. mounting blocks; 23. a limiting hole; 24. a limiting soft plug ring; 25. a limiting ring groove; 26. a fixing ring; 27. a non-slip mat; 28. an indicator light; 29. a control switch; 30. the turnover cover can be detached; 31. a metal limiting rod; 32. a second limit groove; 33. an electromagnet.
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.
Example one
Referring to fig. 1-8, the present invention provides a technical solution: a bending device for plastic pipelines comprises a fixed base plate 1, supporting rods 2 are fixedly connected to two sides above the fixed base plate 1, a first electric push rod 3 is fixedly connected to the upper portion of each supporting rod 2, an angle plate pushing block 4 is fixedly connected to the other end of each first electric push rod 3, a pushing block sliding groove 5 is arranged below each first electric push rod 3, each angle plate pushing block 4 is located inside each pushing block sliding groove 5 and is in sliding connection, an adjustable pipeline angle plate 6 is fixedly connected to the other end of each angle plate pushing block 4, each adjustable pipeline angle plate 6 is extended by starting each first electric push rod 3, one section of a straight pipe located between the two supporting rods 2 can be bent, each adjustable pipeline angle plate 6 comprises a bending end in the middle and angle adjusting plates on two sides, a first heat insulation pad 7 is fixedly connected to the middle of each adjustable pipeline angle plate 6, and second heat insulation pads 8 are fixedly connected to two sides of each adjustable pipeline angle plate 6, a first limiting fixing plate 9 is fixedly connected to the surface of the second heat insulation pad 8, a second electric push rod 11 is arranged on one side of the first limiting fixing plate 9, the second electric push rod 11 is started to adjust the bending angle of the adjustable pipeline angle plate 6, then the adjustable pipeline angle plate 6 is fixed, the adjustment of the bending angle can be realized, a first limiting penetrating rod 10 is arranged inside the first limiting fixing plate 9 and the second electric push rod 11 in a penetrating manner, a second limiting penetrating rod 13 is arranged inside the other end of the second electric push rod 11 in a penetrating manner, the second limiting penetrating rod 13 is arranged through the pressure applying rod 12, a second limiting fixing plate 15 is arranged at the other end of the pressure applying rod 12, a third limiting penetrating rod 16 is arranged inside the second limiting fixing plate 15 and the pressure applying rod 12 in a penetrating manner, a pressure pressing block 17 is fixedly connected to one side of the second limiting fixing plate 15, and one side of the pressure pressing block 17 is attached to the sensing end of the pressure sensor 18, the pressure sensor 18 is clamped inside the angle plate pushing block 4, the top of the angle plate pushing block 4 is fixedly connected with an indicating lamp 28, when the adjustable pipeline angle plate 6 pushes the pipeline to bend to the position that the pipeline is attached to the two sides of the adjustable pipeline angle plate 6, the pipeline presses the two sides of the adjustable pipeline angle plate 6, the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit the pressure to the sensing end of the pressure sensor 18, so that the indicating lamp 28 electrically connected with the pressure sensor 18 is lightened to remind workers that the bending angle is finished, the bending angle can be limited, the middle part of the angle plate pushing block 4 is provided with a first limiting groove 14, the pressure applying rod 12 and a second limiting fixing piece 15 are both positioned inside the first limiting groove 14, a partition plate is arranged between the first limiting groove 14 and the pressure sensor 18, and the pressure pressing block 17 is positioned inside the partition plate in sliding connection, a motor box 19 is fixedly connected inside the fixed bottom plate 1, a first direct current motor 20 is fixedly connected inside the motor box 19, a rotating shaft 21 is fixedly connected to the output end of the first direct current motor 20, a fixing ring 26 is sleeved outside the rotating shaft 21, an installation block 22 is fixedly connected above the fixing ring 26, a limit hole 23 is formed inside the installation block 22, a second limit groove 32 is formed inside the rotating shaft 21 and the fixing ring 26, a metal limit rod 31 is slidably connected inside the second limit groove 32, electromagnets 33 are fixedly connected to both ends inside the rotating shaft 21, when the electromagnets 33 on one side of the fixing ring 26 are closed, the electromagnets 33 on one side of the rotating shaft 21 are started to adsorb the metal limit rod 31 to the inside of the rotating shaft 21 and keep away from the fixing ring 26, so that the installation block 22 can freely rotate, the electromagnets 33 inside the rotating shaft 21 are powered off, the electromagnets 33 inside the fixing ring 26 are started to adsorb the second limit groove 32 to the fixing ring 26 and the rotating shaft 21 to be clamped, the straight pipe is kept fixed, the pipe is conveniently inserted and the first direct current motor 20 is started to rotate the pipe angle, one part of the second limiting groove 32 is arranged in the fixing ring 26, and the other part of the second limiting groove 32 is arranged in the rotating shaft 21.
The working principle and the using process of the invention are as follows: when the pipe bending device is used, a straight pipe to be bent is sequentially inserted into the limiting holes 23 for fixing, the detachable turnover cover 30 is fixed at the top of the mounting block 22, the pipe is limited in the mounting block 22 and is kept in a relatively fixed state, at the moment, the electromagnet 33 in the rotating shaft 21 is powered off, the electromagnet 33 in the fixing ring 26 is started to adsorb the second limiting groove 32 between the fixing ring 26 and the rotating shaft 21 for clamping, the straight pipe is kept fixed, when the straight pipe needs to be bent at a fixed angle, the electromagnet 33 on one side of the fixing ring 26 is closed, the electromagnet 33 on one side of the rotating shaft 21 is started to adsorb the metal limiting rod 31 in the rotating shaft 21 and is far away from the fixing ring 26, the mounting block 22 is enabled to rotate freely, the adjustable pipe angle plate 6 is fixed after the second electric push rod 11 is started to adjust the bending angle of the adjustable pipe angle plate 6, the first electric push rod 3 is started to extend the adjustable pipe angle plate 6, bending a section of the straight pipe between the two support rods 2, when the straight pipe is bent to be attached to two sides of the adjustable pipeline angle plate 6, the pipeline presses two sides of the adjustable pipeline angle plate 6, the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit pressure to the sensing end of the pressure sensor 18, and therefore the indicator light 28 electrically connected with the pressure sensor 18 is lightened to remind a worker that the bending angle is finished.
Example two
Referring to fig. 1-8, the present invention provides a technical solution: a bending device for plastic pipelines comprises a fixed base plate 1, supporting rods 2 are fixedly connected to two sides above the fixed base plate 1, a first electric push rod 3 is fixedly connected to the upper portion of each supporting rod 2, an angle plate pushing block 4 is fixedly connected to the other end of each first electric push rod 3, a pushing block sliding groove 5 is arranged below each first electric push rod 3, each angle plate pushing block 4 is located inside each pushing block sliding groove 5 and is in sliding connection, an adjustable pipeline angle plate 6 is fixedly connected to the other end of each angle plate pushing block 4, each adjustable pipeline angle plate 6 is extended by starting each first electric push rod 3, one section of a straight pipe located between the two supporting rods 2 can be bent, each adjustable pipeline angle plate 6 comprises a bending end in the middle and angle adjusting plates on two sides, a first heat insulation pad 7 is fixedly connected to the middle of each adjustable pipeline angle plate 6, and second heat insulation pads 8 are fixedly connected to two sides of each adjustable pipeline angle plate 6, a first limiting fixing plate 9 is fixedly connected to the surface of the second heat insulation pad 8, a second electric push rod 11 is arranged on one side of the first limiting fixing plate 9, the second electric push rod 11 is started to adjust the bending angle of the adjustable pipeline angle plate 6, then the adjustable pipeline angle plate 6 is fixed, the adjustment of the bending angle can be realized, a first limiting penetrating rod 10 is arranged inside the first limiting fixing plate 9 and the second electric push rod 11 in a penetrating manner, a second limiting penetrating rod 13 is arranged inside the other end of the second electric push rod 11 in a penetrating manner, the second limiting penetrating rod 13 is arranged through the pressure applying rod 12, a second limiting fixing plate 15 is arranged at the other end of the pressure applying rod 12, a third limiting penetrating rod 16 is arranged inside the second limiting fixing plate 15 and the pressure applying rod 12 in a penetrating manner, a pressure pressing block 17 is fixedly connected to one side of the second limiting fixing plate 15, and one side of the pressure pressing block 17 is attached to the sensing end of the pressure sensor 18, the pressure sensor 18 is clamped inside the angle plate pushing block 4, the top of the angle plate pushing block 4 is fixedly connected with an indicating lamp 28, when the adjustable pipeline angle plate 6 pushes the pipeline to bend to the position that the pipeline is attached to the two sides of the adjustable pipeline angle plate 6, the pipeline presses the two sides of the adjustable pipeline angle plate 6, the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit the pressure to the sensing end of the pressure sensor 18, so that the indicating lamp 28 electrically connected with the pressure sensor 18 is lightened to remind workers that the bending angle is finished, the bending angle can be limited, the middle part of the angle plate pushing block 4 is provided with a first limiting groove 14, the pressure applying rod 12 and a second limiting fixing piece 15 are both positioned inside the first limiting groove 14, a partition plate is arranged between the first limiting groove 14 and the pressure sensor 18, and the pressure pressing block 17 is positioned inside the partition plate in sliding connection, a motor box 19 is fixedly connected inside the fixed bottom plate 1, a first direct current motor 20 is fixedly connected inside the motor box 19, a rotating shaft 21 is fixedly connected to the output end of the first direct current motor 20, a fixing ring 26 is sleeved outside the rotating shaft 21, an installation block 22 is fixedly connected above the fixing ring 26, a limit hole 23 is formed inside the installation block 22, a second limit groove 32 is formed inside the rotating shaft 21 and the fixing ring 26, a metal limit rod 31 is slidably connected inside the second limit groove 32, electromagnets 33 are fixedly connected to both ends inside the rotating shaft 21, when the electromagnets 33 on one side of the fixing ring 26 are closed, the electromagnets 33 on one side of the rotating shaft 21 are started to adsorb the metal limit rod 31 to the inside of the rotating shaft 21 and keep away from the fixing ring 26, so that the installation block 22 can freely rotate, the electromagnets 33 inside the rotating shaft 21 are powered off, the electromagnets 33 inside the fixing ring 26 are started to adsorb the second limit groove 32 to the fixing ring 26 and the rotating shaft 21 to be clamped, the straight pipe is kept fixed, the pipe is conveniently inserted and the first direct current motor 20 is started to rotate the pipe angle, one part of the second limiting groove 32 is arranged in the fixing ring 26, and the other part of the second limiting groove 32 is arranged in the rotating shaft 21.
In the invention, preferably, the pushing block chute 5 is positioned under the first electric push rod 3, one end of the first electric push rod 3 is fixedly connected with the top of the supporting rod 2, the other end of the first electric push rod 3 is fixedly connected with the middle part of one side of the angle plate pushing block 4, and the first electric push rod 3 is parallel to the fixed bottom plate 1.
In the invention, preferably, hinges are arranged between the angle adjusting plates on two sides of the adjustable pipeline angle plate 6 and the bending end in the middle of the first heat insulation pad 7, the angle adjusting plates and the bending end are rotatably connected through the hinges, and the second heat insulation pad 8 is respectively fixed in the middle of the angle adjusting plates on two sides.
In the present invention, it is preferable that the adjustable duct gusset 6, the second electric push rod 11, and the pressure applying lever 12 are symmetrically provided around the gusset pushing block 4 as an axis, the pressure sensor 18 is engaged with the inside of the gusset pushing block 4, and the pressure pressing block 17 is slidably connected to the inside of the gusset pushing block 4.
The working principle and the using process of the invention are as follows: when the bending device is used, a straight pipe to be bent is sequentially inserted into the limiting holes 23 for fixing, the detachable turnover cover 30 is fixed at the top of the mounting block 22, so that the pipeline is limited in the mounting block 22 and is kept in a relatively fixed state, at the moment, the electromagnet 33 in the rotating shaft 21 is powered off, the electromagnet 33 in the fixing ring 26 is started to adsorb the second limiting groove 32 to the position between the fixing ring 26 and the rotating shaft 21 for clamping, so that the straight pipe is kept fixed, when the straight pipe is subjected to unlimited-angle bending operation, the first direct current motor 20 is started to drive the rotating shaft 21 to rotate, so that the mounting block 22 and the limiting holes 23 can be driven to rotate, the limiting holes 23 can realize the bending of the plastic straight pipe in the rotating process, the straight pipe in the limiting holes 23 moves in small range in the bending process to adapt to the bending length, when the straight pipe is required to be subjected to fixed-angle bending operation, the electromagnet 33 on the side of the fixing ring 26 is turned off, the electromagnet 33 on the side of the rotating shaft 21 is turned on to attract the metal stopper 31 to the inside of the rotating shaft 21 away from the fixing ring 26, the mounting block 22 is enabled to rotate freely, the second electric push rod 11 is started to adjust the bending angle of the adjustable pipeline angle plate 6, then the adjustable pipeline angle plate 6 is fixed, the first electric push rod 3 is started to extend the adjustable pipeline angle plate 6, a section of the straight pipe between the two support rods 2 is bent, when the straight pipe is bent to the two sides of the pipeline and the adjustable pipeline angle plate 6 are attached, the pipeline presses two sides of the adjustable pipeline angle plate 6, so that the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit the pressure to the sensing end of the pressure sensor 18, thereby illuminating an indicator light 28 electrically connected to the pressure sensor 18 to alert the operator that the bending angle is complete.
EXAMPLE III
Referring to fig. 1-8, the present invention provides a technical solution: a bending device for plastic pipelines comprises a fixed base plate 1, supporting rods 2 are fixedly connected to two sides above the fixed base plate 1, a first electric push rod 3 is fixedly connected to the upper portion of each supporting rod 2, an angle plate pushing block 4 is fixedly connected to the other end of each first electric push rod 3, a pushing block sliding groove 5 is arranged below each first electric push rod 3, each angle plate pushing block 4 is located inside each pushing block sliding groove 5 and is in sliding connection, an adjustable pipeline angle plate 6 is fixedly connected to the other end of each angle plate pushing block 4, each adjustable pipeline angle plate 6 is extended by starting each first electric push rod 3, one section of a straight pipe located between the two supporting rods 2 can be bent, each adjustable pipeline angle plate 6 comprises a bending end in the middle and angle adjusting plates on two sides, a first heat insulation pad 7 is fixedly connected to the middle of each adjustable pipeline angle plate 6, and second heat insulation pads 8 are fixedly connected to two sides of each adjustable pipeline angle plate 6, a first limiting fixing plate 9 is fixedly connected to the surface of the second heat insulation pad 8, a second electric push rod 11 is arranged on one side of the first limiting fixing plate 9, the second electric push rod 11 is started to adjust the bending angle of the adjustable pipeline angle plate 6, then the adjustable pipeline angle plate 6 is fixed, the adjustment of the bending angle can be realized, a first limiting penetrating rod 10 is arranged inside the first limiting fixing plate 9 and the second electric push rod 11 in a penetrating manner, a second limiting penetrating rod 13 is arranged inside the other end of the second electric push rod 11 in a penetrating manner, the second limiting penetrating rod 13 is arranged through the pressure applying rod 12, a second limiting fixing plate 15 is arranged at the other end of the pressure applying rod 12, a third limiting penetrating rod 16 is arranged inside the second limiting fixing plate 15 and the pressure applying rod 12 in a penetrating manner, a pressure pressing block 17 is fixedly connected to one side of the second limiting fixing plate 15, and one side of the pressure pressing block 17 is attached to the sensing end of the pressure sensor 18, the pressure sensor 18 is clamped inside the angle plate pushing block 4, the top of the angle plate pushing block 4 is fixedly connected with an indicating lamp 28, when the adjustable pipeline angle plate 6 pushes the pipeline to bend to the position that the pipeline is attached to the two sides of the adjustable pipeline angle plate 6, the pipeline presses the two sides of the adjustable pipeline angle plate 6, the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit the pressure to the sensing end of the pressure sensor 18, so that the indicating lamp 28 electrically connected with the pressure sensor 18 is lightened to remind workers that the bending angle is finished, the bending angle can be limited, the middle part of the angle plate pushing block 4 is provided with a first limiting groove 14, the pressure applying rod 12 and a second limiting fixing piece 15 are both positioned inside the first limiting groove 14, a partition plate is arranged between the first limiting groove 14 and the pressure sensor 18, and the pressure pressing block 17 is positioned inside the partition plate in sliding connection, a motor box 19 is fixedly connected inside the fixed bottom plate 1, a first direct current motor 20 is fixedly connected inside the motor box 19, a rotating shaft 21 is fixedly connected to the output end of the first direct current motor 20, a fixing ring 26 is sleeved outside the rotating shaft 21, an installation block 22 is fixedly connected above the fixing ring 26, a limit hole 23 is formed inside the installation block 22, a second limit groove 32 is formed inside the rotating shaft 21 and the fixing ring 26, a metal limit rod 31 is slidably connected inside the second limit groove 32, electromagnets 33 are fixedly connected to both ends inside the rotating shaft 21, when the electromagnets 33 on one side of the fixing ring 26 are closed, the electromagnets 33 on one side of the rotating shaft 21 are started to adsorb the metal limit rod 31 to the inside of the rotating shaft 21 and keep away from the fixing ring 26, so that the installation block 22 can freely rotate, the electromagnets 33 inside the rotating shaft 21 are powered off, the electromagnets 33 inside the fixing ring 26 are started to adsorb the second limit groove 32 to the fixing ring 26 and the rotating shaft 21 to be clamped, the straight pipe is kept fixed, the pipe is conveniently inserted and the first direct current motor 20 is started to rotate the pipe angle, one part of the second limiting groove 32 is arranged in the fixing ring 26, and the other part of the second limiting groove 32 is arranged in the rotating shaft 21.
In the invention, preferably, the pushing block chute 5 is positioned under the first electric push rod 3, one end of the first electric push rod 3 is fixedly connected with the top of the supporting rod 2, the other end of the first electric push rod 3 is fixedly connected with the middle part of one side of the angle plate pushing block 4, and the first electric push rod 3 is parallel to the fixed bottom plate 1.
In the invention, preferably, hinges are arranged between the angle adjusting plates on two sides of the adjustable pipeline angle plate 6 and the bending end in the middle of the first heat insulation pad 7, the angle adjusting plates and the bending end are rotatably connected through the hinges, and the second heat insulation pad 8 is respectively fixed in the middle of the angle adjusting plates on two sides.
In the present invention, it is preferable that the adjustable duct gusset 6, the second electric push rod 11, and the pressure applying lever 12 are symmetrically provided around the gusset pushing block 4 as an axis, the pressure sensor 18 is engaged with the inside of the gusset pushing block 4, and the pressure pressing block 17 is slidably connected to the inside of the gusset pushing block 4.
In the present invention, preferably, the number of the first limiting penetrating rods 10 is four, and four second electric push rods 11 are distributed at the upper and lower ends of both sides of the angle plate pushing block 4.
In the present invention, preferably, the first electric push rod 3 is disposed to intersect with the mounting blocks 22, the adjustable duct angle plates 6 at both sides are away from each other, the tips of the adjustable duct angle plates 6 are disposed to face each other, and the first electric push rod 3 is disposed between both the mounting blocks 22.
In the present invention, preferably, a detachable flip cover 30 is disposed above the mounting block 22, the bent pipe can be taken out by turning and detaching the detachable flip cover 30, a hinge is disposed on one side of the mounting block 22 and the detachable flip cover 30, and the middle portion of the mounting block 22 is rotatably connected to the detachable flip cover 30 through the hinge.
In the invention, preferably, the number of the installation blocks 22 is provided with a plurality of installation blocks 22, the limiting holes 23 in the installation blocks 22 are all located at the same horizontal position, the straight pipes to be bent are sequentially inserted into the limiting holes 23 for fixing, and then the detachable turnover cover 30 is fixed at the top of the installation blocks 22, so that the pipeline is limited in the installation blocks 22 and kept in a relatively fixed state, the bending is convenient, and the pipeline angle plate 6 can be adjusted to be located at the middle position between the two installation blocks 22.
In the invention, preferably, the indicator light 28 is electrically connected with the pressure sensor 18, the second electric push rod 11, the pressure sensor 18, the indicator light 28, the first electric push rod 3, the first direct current motor 20 and the electromagnet 33 are all electrically connected with an external power supply, the fixing ring 26 is internally provided with a limiting ring groove 25, the outside of the rotating shaft 21 is fixedly connected with a limiting soft plug ring 24, the limiting soft plug ring 24 is clamped inside the limiting ring groove 25, when a pipeline which does not pass through large and small pipelines needs to be bent, the mounting block 22 can be replaced by pulling out the mounting block 22 and the fixing ring 26, the pipeline processing with different sizes is realized, the bottom of the fixing bottom plate 1 is provided with the anti-slip pad 27, and one side of the fixing bottom plate 1 is provided with the control switch 29.
A bending device for plastic pipelines and a using method thereof comprise the following steps:
the method comprises the following steps: during installation, straight pipes needing to be bent are sequentially inserted into the limiting holes 23 for fixing, the detachable turnover cover 30 is fixed to the top of the installation block 22, the pipelines are limited in the installation block 22 and keep a relatively fixed state, at the moment, the electromagnet 33 in the rotating shaft 21 is powered off, the electromagnet 33 in the fixing ring 26 is started to adsorb the second limiting groove 32 to the fixing ring 26 and clamp the fixing ring 26 with the rotating shaft 21, and the straight pipes are kept fixed.
Step two:
step 2.1: when carrying out the operation of bending of not limiting the angle to the straight tube, start first direct current motor 20 and drive axis of rotation 21 and rotate to can drive installation piece 22 and spacing hole 23 and rotate, spacing hole 23 can realize buckling the plastics straight tube at rotatory in-process, and the inside small-amplitude that the in-process straight tube of buckling is located spacing hole 23 removes in order to adapt to the length of buckling.
Step 2.2: when the straight pipe needs to be bent at a fixed angle, the electromagnet 33 on one side of the fixing ring 26 is closed, the electromagnet 33 on one side of the rotating shaft 21 is started to adsorb the metal limiting rod 31 into the rotating shaft 21 and is far away from the fixing ring 26, the mounting block 22 is enabled to rotate freely, the second electric push rod 11 is started to adjust the bending angle of the adjustable pipeline angle plate 6 and then fix the adjustable pipeline angle plate 6, the first electric push rod 3 is started to extend the adjustable pipeline angle plate 6, one section of the straight pipe between the two supporting rods 2 is bent, when the pipe is bent to be attached to two sides of the adjustable pipeline angle plate 6, the pipe presses two sides of the adjustable pipeline angle plate 6, the second electric push rod 11 presses the pressure applying rod 12, the pressure applying rod 12 pushes the pressure pressing block 17 to transmit pressure to the sensing end of the pressure sensor 18, and accordingly an indicator light 28 electrically connected with the pressure sensor 18 is lightened, reminding the worker that the bending angle is finished.
Step three: during the dismantlement, the upset is unpack apart and can be dismantled flip 30 and can be taken out the pipeline after buckling, and when needs buckle not through big or small pipeline, the accessible can be changed installation piece 22 with solid fixed ring 26 extracts installation piece 22, realizes the processing to different pipelines.
The working principle and the using process of the invention are as follows: when the bending device is used, a straight pipe to be bent is sequentially inserted into the limiting holes 23 for fixing, the detachable turnover cover 30 is fixed at the top of the mounting block 22, so that the pipeline is limited in the mounting block 22 and is kept in a relatively fixed state, at the moment, the electromagnet 33 in the rotating shaft 21 is powered off, the electromagnet 33 in the fixing ring 26 is started to adsorb the second limiting groove 32 to the position between the fixing ring 26 and the rotating shaft 21 for clamping, so that the straight pipe is kept fixed, when the straight pipe is subjected to unlimited-angle bending operation, the first direct current motor 20 is started to drive the rotating shaft 21 to rotate, so that the mounting block 22 and the limiting holes 23 can be driven to rotate, the limiting holes 23 can realize the bending of the plastic straight pipe in the rotating process, the straight pipe in the limiting holes 23 moves in small range in the bending process to adapt to the bending length, when the straight pipe is required to be subjected to fixed-angle bending operation, closing the electromagnet 33 on one side of the fixing ring 26, starting the electromagnet 33 on one side of the rotating shaft 21 to adsorb the metal limiting rod 31 into the rotating shaft 21 and far away from the fixing ring 26, enabling the mounting block 22 to rotate freely, starting the second electric push rod 11 to adjust the bending angle of the adjustable pipeline angle plate 6 and then fixing the adjustable pipeline angle plate 6, starting the first electric push rod 3 to extend the adjustable pipeline angle plate 6, bending a section of the straight pipe between the two support rods 2, when the pipe is bent to be attached to the two sides of the adjustable pipeline angle plate 6, pressing the two sides of the adjustable pipeline angle plate 6 by the pipe, enabling the second electric push rod 11 to press the pressure applying rod 12, enabling the pressure applying rod 12 to push the pressure pressing block 17 to transmit the pressure to the sensing end of the pressure sensor 18, and enabling the indicator light 28 electrically connected with the pressure sensor 18 to light up the bending angle of a worker, during the dismantlement, the upset is unpack apart and can be dismantled flip 30 and can be taken out the pipeline after buckling, and when needs buckle not through big or small pipeline, the accessible can be changed installation piece 22 with solid fixed ring 26 extracts installation piece 22, realizes the processing to different pipelines.
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. A bending device for plastic pipeline, includes PMKD (1), its characterized in that: the improved pipeline angle plate comprises a fixed base plate (1), supporting rods (2) are fixedly connected to two sides of the upper portion of the fixed base plate (1), a first electric push rod (3) is fixedly connected to the upper portion of each supporting rod (2), an angle plate pushing block (4) is fixedly connected to the other end of each first electric push rod (3), a pushing block sliding groove (5) is formed in the lower portion of each first electric push rod (3), each angle plate pushing block (4) is located in the pushing block sliding groove (5) and connected in a sliding mode, an adjustable pipeline angle plate (6) is fixedly connected to the other end of each angle plate pushing block (4), each adjustable pipeline angle plate (6) comprises a bending end in the middle and angle adjusting plates on two sides, a first heat insulation pad (7) is fixedly connected to the middle of each adjustable pipeline angle plate (6), second heat insulation pads (8) are fixedly connected to two sides of each adjustable pipeline angle plate (6), and first limiting fixing pieces (9) are fixedly connected to the surfaces of the second heat insulation pads (8), a second electric push rod (11) is arranged on one side of the first limiting fixing piece (9), a first limiting penetrating rod (10) penetrates through the interiors of the first limiting fixing piece (9) and the second electric push rod (11), a second limiting penetrating rod (13) penetrates through the interior of the other end of the second electric push rod (11), a pressure applying rod (12) penetrates through the second limiting penetrating rod (13), a second limiting fixing piece (15) is arranged on the other end of the pressure applying rod (12), a third limiting penetrating rod (16) penetrates through the interiors of the second limiting fixing piece (15) and the pressure applying rod (12), a pressure pressing block (17) is fixedly connected to one side of the second limiting fixing piece (15), one side of the pressure pressing block (17) is attached to the sensing end of a pressure sensor (18), and the pressure sensor (18) is clamped in the interior of the angle plate pushing block (4), the angle plate pushing block is characterized in that an indicator lamp (28) is fixedly connected to the top of the angle plate pushing block (4), a first limiting groove (14) is formed in the middle of the angle plate pushing block (4), the pressure applying rod (12) and the second limiting fixing piece (15) are located inside the first limiting groove (14), a partition plate is arranged between the first limiting groove (14) and the pressure sensor (18), the pressure pressing block (17) is located inside the partition plate and is in sliding connection, a motor box (19) is fixedly connected to the inside of the fixing base plate (1), a first direct current motor (20) is fixedly connected to the inside of the motor box (19), a rotating shaft (21) is fixedly connected to the output end of the first direct current motor (20), a fixing ring (26) is sleeved on the outside of the rotating shaft (21), an installation block (22) is fixedly connected to the upper side of the fixing ring (26), a limiting hole (23) is formed in the inside of the installation block (22), second spacing groove (32) have been seted up to the inside of axis of rotation (21) and solid fixed ring (26), the inside sliding connection of second spacing groove (32) has metal gag lever post (31), the equal fixedly connected with electro-magnet (33) in both ends of axis of rotation (21) inside, the inside of solid fixed ring (26) is seted up in some of second spacing groove (32), the inside of axis of rotation (21) is seted up in another part of second spacing groove (32).
2. A crimping device for plastic tubing as claimed in claim 1, wherein: the corner plate pushing device is characterized in that the pushing block sliding groove (5) is located under the first electric push rod (3), one end of the first electric push rod (3) is fixedly connected with the top of the supporting rod (2), the other end of the first electric push rod (3) is fixedly connected with the middle of one side of the corner plate pushing block (4), and the first electric push rod (3) is parallel to the fixed bottom plate (1).
3. A crimping device for plastic tubing as claimed in claim 1, wherein: the adjustable pipeline angle plate is characterized in that hinges are arranged between angle adjusting plates on two sides of the adjustable pipeline angle plate (6) and the bending ends in the middle of the first heat insulation pad (7), the angle adjusting plates and the bending ends are connected in a rotating mode through the hinges, and the second heat insulation pads (8) are fixed in the middle positions of the angle adjusting plates on two sides respectively.
4. A crimping device for plastic tubing as claimed in claim 1, wherein: the adjustable pipeline angle plate (6), the second electric push rod (11) and the pressure applying rod (12) are symmetrically arranged by taking the angle plate pushing block (4) as an axis, the pressure sensor (18) is clamped inside the angle plate pushing block (4), and the pressure pressing block (17) is located inside the angle plate pushing block (4) in sliding connection.
5. A crimping device for plastic tubing as claimed in claim 1, wherein: the number of the first limiting penetrating rods (10) is four, and the four second electric push rods (11) are distributed at the upper end and the lower end of the two sides of the angle plate pushing block (4).
6. A crimping device for plastic tubing as claimed in claim 1, wherein: the first electric push rod (3) and the mounting blocks (22) are arranged in a crossed mode, the adjustable pipeline angle plates (6) on two sides are far away from each other, the tips of the adjustable pipeline angle plates (6) are arranged oppositely, and the first electric push rod (3) is arranged between the two mounting blocks (22).
7. A crimping device for plastic tubing as claimed in claim 1, wherein: the top of installation piece (22) is provided with can dismantle flip (30), installation piece (22) and the one side of dismantling flip (30) are provided with the hinge, the middle part of installation piece (22) is passed through the hinge and is connected with can dismantle flip (30) rotation.
8. A crimping device for plastic tubing as claimed in claim 1, wherein: the number of the mounting blocks (22) is provided with a plurality of limiting holes (23) in the mounting blocks (22) are all located at the same horizontal position, and the adjustable pipeline angle plate (6) is located in the middle between the two mounting blocks (22).
9. A crimping device for plastic tubing as claimed in claim 1, wherein: indicator lamp (28) and pressure sensor (18) electric connection, second electric putter (11), pressure sensor (18), indicator lamp (28), first electric putter (3), first direct current motor (20) and electro-magnet (33) all with external power source electric connection, spacing annular (25) have been seted up to the inside of solid fixed ring (26), the spacing soft plug ring (24) of outside fixedly connected with of axis of rotation (21), spacing soft plug ring (24) block in the inside of spacing annular (25), the bottom of PMKD (1) is provided with slipmat (27), one side of PMKD (1) is provided with control switch (29).
10. A bending device for plastic pipes and a method of use according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
the method comprises the following steps: during installation, straight pipes needing to be bent are sequentially inserted into the limiting holes (23) for fixing, the detachable turnover cover (30) is fixed to the top of the installation block (22), the pipeline is limited in the installation block (22) and kept in a relatively fixed state, at the moment, the electromagnet (33) inside the rotating shaft (21) is powered off, the electromagnet (33) inside the fixing ring (26) is started to adsorb the second limiting groove (32) to the fixing ring (26) and the rotating shaft (21) to be clamped, and the straight pipes are kept fixed.
Step two:
step 2.1: when the alignment pipe is bent without limiting the angle, a first direct current motor (20) is started to drive a rotating shaft (21) to rotate, so that an installation block (22) and a limiting hole (23) can be driven to rotate, the limiting hole (23) can be bent to a plastic straight pipe in the rotating process, and the straight pipe is located in the limiting hole (23) and moves within a small range to adapt to the bending length in the bending process.
Step 2.2: when the straight pipe needs to be bent at a fixed angle, the electromagnet (33) on one side of the fixing ring (26) is closed, the electromagnet (33) on one side of the rotating shaft (21) is started to adsorb the metal limiting rod (31) to the inside of the rotating shaft (21) and keep away from the fixing ring (26), the mounting block (22) is enabled to rotate freely, the adjustable pipeline angle plate (6) is fixed after the second electric push rod (11) is started to adjust the bending angle of the adjustable pipeline angle plate (6), the first electric push rod (3) is started to extend the adjustable pipeline angle plate (6), one section of the straight pipe between the two support rods (2) is bent, when the pipe is bent to be attached to the two sides of the adjustable pipeline angle plate (6), the two sides of the adjustable pipeline angle plate (6) are pressed by the pipe, the pressing rod (12) is pressed by the second electric push rod (11), and the pressing rod (12) pushes the pressure pressing block (17) to transmit pressure to the end of the pressure sensor (18) So that an indicator light (28) electrically connected with the pressure sensor (18) is lightened to remind a worker that the bending angle is finished.
Step three: during the dismantlement, the upset is unpacked apart and can be dismantled flip (30) and can be taken out the pipeline after buckling, and when needs buckle not through big or small pipeline, the accessible is extracted installation piece (22) and solid fixed ring (26) and can be changed installation piece (22), realizes the processing to different pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897697.7A CN113601822B (en) | 2021-08-05 | 2021-08-05 | Bending device for plastic pipeline and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110897697.7A CN113601822B (en) | 2021-08-05 | 2021-08-05 | Bending device for plastic pipeline and use method |
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| CN113601822A true CN113601822A (en) | 2021-11-05 |
| CN113601822B CN113601822B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN114261082A (en) * | 2021-12-22 | 2022-04-01 | 海安绿发环保科技有限公司 | Insulating tube based on elastic foam and bending processing equipment thereof |
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| CN113601822B (en) | 2023-03-24 |
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