CN116408377A - Pipe bending mechanism of U-pipe bending machine and U-pipe bending machine - Google Patents
Pipe bending mechanism of U-pipe bending machine and U-pipe bending machine Download PDFInfo
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- CN116408377A CN116408377A CN202310058474.0A CN202310058474A CN116408377A CN 116408377 A CN116408377 A CN 116408377A CN 202310058474 A CN202310058474 A CN 202310058474A CN 116408377 A CN116408377 A CN 116408377A
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- 238000005452 bending Methods 0.000 title claims abstract description 176
- 230000007246 mechanism Effects 0.000 title claims abstract description 71
- 238000007599 discharging Methods 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000005520 cutting process Methods 0.000 claims abstract description 39
- 230000007306 turnover Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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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
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/05—Bending tubes using mandrels or the like co-operating with forming members
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The pipe bending mechanism of the U-pipe bending machine comprises a cutting component, a bending component and a discharging component which are sequentially arranged, wherein the cutting component comprises a cutter component, a cutter component mounting seat, a cutter component translation frame and a turnover driving component, the cutter component is mounted on the cutter component mounting seat, one end of the cutter component mounting seat is rotatably mounted on the cutter component translation frame through a rotating mechanism, the other end of the cutter component mounting seat is connected with the turnover driving component and is driven by the turnover driving component to rotate around the rotating mechanism, the discharging component comprises a mandrel, a discharging pipe and a moving mechanism, the mandrel and the discharging pipe are movably arranged on the bending frame of the bending component through the moving mechanism, and the discharging pipe is sleeved outside the mandrel in a penetrating manner and can prop against the front end of a metal pipe to be bent; when cutting the metal pipe, the cutter assembly mounting seat drives the cutter assembly to a normal pipe cutting position by the overturning driving assembly; when the pipe is bent, the cutter assembly installation seat drives the cutter assembly to a position avoiding the bending frame by the overturning driving assembly. A pipe bending mechanism is also provided.
Description
Technical Field
The invention relates to a U-pipe bending machine.
Background
The existing U-pipe bending machine generally comprises a feeding part, a cutting part and a bending part, wherein a metal pipe is fed into the cutting part by the feeding part to be cut or fed into the bending part to be bent, the feeding part and the cutting part are installed together to move together, and the feeding part and the cutting part are moved together to avoid the bending frame or move together to feed the metal pipe every time, so that the production efficiency is low.
Chinese patent document CN215143667U discloses a pipe bender, it includes the board, get the pipe device, drive control device and return bend device, get the pipe device movably locate the board, get the pipe device and press from both sides and get prefabricated pipe, drive control device locates the board, drive control device is connected with getting the pipe device, drive control device can drive and control and get the pipe device and remove, with send out the prefabricated pipe of predetermineeing the length, the return bend device locates the board, the return bend device can receive the prefabricated pipe of getting the pipe device and give, and can be with the prefabricated pipe backward bending of receipt along the pay-off direction. When the long U-shaped pipe with different bending pipe section lengths is produced in a switching mode, the length of the prefabricated pipe sent out by the pipe taking device is adjusted through the driving control device, accessories are not required to be replaced in the process, and therefore production efficiency can be improved. However, the pipe taking device and the pipe cutting device are arranged together, the avoidance overturning frame is moved together or the feeding is moved together every time, meanwhile, the supporting device is also lowered simultaneously to avoid fire ascending supporting, the production efficiency is influenced by frequent actions, the service life of the parts is influenced by too many movable parts, and the failure rate is increased intangibly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the pipe bending mechanism of the U-pipe bending machine, so that the production efficiency is high and the failure rate is low.
The invention also provides a U-pipe bending machine, which has high production efficiency and low failure rate.
The technical scheme adopted for solving the technical problems is as follows:
the pipe bending mechanism of the U-pipe bending machine comprises a cutting component, a bending component and a discharging component, wherein the cutting component, the bending component and the discharging component are sequentially arranged, the cutting component comprises a cutter component, a cutter component mounting seat, a cutter component translation frame and a turnover driving component, the cutter component is mounted on the cutter component mounting seat, one end of the cutter component mounting seat is rotatably mounted on the cutter component translation frame through a rotating mechanism, the other end of the cutter component mounting seat is connected with the turnover driving component and is driven by the turnover driving component to rotate around the rotating mechanism, the discharging component comprises a mandrel, a discharging pipe and a moving mechanism, the mandrel and the discharging pipe are movably arranged on the bending frame of the bending component through the moving mechanism, and the discharging pipe is sleeved outside the mandrel in a penetrating manner and can prop against the front end of a metal pipe to be bent; when cutting the metal pipe, the cutter assembly mounting seat drives the cutter assembly to a normal pipe cutting position by the overturning driving assembly; when the pipe is bent, the cutter assembly installation seat drives the cutter assembly to a position avoiding the bending frame by the overturning driving assembly.
More specifically, the rotating mechanism is a rotating shaft, the rotating mechanism comprises a fixed shaft, two ends of the fixed shaft are arranged on the cutter assembly translation frame, and the cutter assembly mounting seat is rotatably supported by the fixed shaft, so that the cutter assembly mounting seat can rotate around the fixed shaft, and the rotation of the cutter assembly mounting seat can be completed through the simple component of the fixed shaft.
Preferably, the cutting part further comprises a horizontal driving assembly, the horizontal driving assembly comprises a horizontal driver, a screw rod, a nut and a guiding mechanism, the guiding mechanism comprises a sliding rail and a sliding block on the cutter translation frame, the nut is fixed on the cutter translation frame and sleeved outside the driving screw rod, the screw rod is driven by the horizontal driver, and the screw rod drives the nut and the cutter translation frame fixed by the screw rod to move horizontally together.
Preferably, the moving mechanism of the discharging part comprises a discharging pipe mounting block, a discharging cylinder, a discharging pipe translation frame and a vertical plate, the discharging pipe is mounted on the discharging pipe mounting block, the discharging pipe mounting block is connected with a piston rod of the discharging cylinder, the discharging cylinder is mounted on the discharging pipe translation frame, the vertical plate is mounted on the discharging pipe translation frame, a guide mechanism is arranged between the vertical plate and the discharging pipe mounting block, and the discharging pipe mounting block can be driven to move back and forth through the expansion and the contraction of the piston rod.
Preferably, the guide mechanism is a slide block and slide rail guide mechanism, the slide block is arranged on the discharge pipe installation block, and the slide rail is arranged on the vertical plate.
The automatic discharging device is characterized by further comprising a moving mechanism of a discharging pipe translation frame, wherein the moving mechanism of the discharging pipe translation frame comprises a belt pressing plate assembly, a conveying belt and a motor, the belt pressing plate assembly is arranged at the lower part of the discharging pipe translation frame and is fixed with the conveying belt, the motor is arranged on a bending frame, a driving belt wheel is arranged on an output shaft of the motor and is connected with a driven belt wheel which is driven by the motor, the driving belt wheel and the driven belt wheel are connected with each other through the conveying belt to be driven by the motor to rotate, the conveying belt is driven to move through the driven belt wheel, and accordingly the position of a discharging pipe is adjusted to obtain metal pipe workpieces with different lengths and discharging after the metal pipe is bent into a U pipe.
Preferably, the automatic feeding device further comprises a feeding in-place detection device, the feeding in-place detection device comprises a limiting plate, an adjusting screw and a detection switch, the limiting plate is arranged on the upper portion of the vertical plate, the front end of the adjusting screw penetrates through the limiting plate and is opposite to the mounting block of the discharging pipe, the cylinder is provided with the detection switch, and when the mounting block of the discharging pipe bumps against the adjusting screw, the detection switch can send a stop signal to control the feeding part to stop feeding. The feeding in-place detection device is designed, the feeding precision of each channel can be independently controlled, the length consistency of the cut pipe is ensured, and the product precision is improved.
Preferably, the device further comprises a mandrel moving mechanism, wherein the mandrel moving mechanism comprises an air cylinder, a push rod and a mounting seat, one end of the mandrel is fixed on the mounting seat, the other end of the mandrel is supported by a bending frame, the air cylinder is mounted on the bending frame and connected with one end of the push rod, the other end of the push rod is connected with the mounting seat, and a sliding block and sliding rail guiding mechanism is arranged between the mounting seat and the bending frame.
More specifically, the bending part comprises a bending driver, a left driving bracket, a right driving bracket, a left bending shaft, a right bending shaft, a left bending arm, a right bending arm, a bending frame and a die assembly, wherein the bending driver is arranged on the left driving bracket and connected with the left bending shaft, the left bending shaft is rotatably supported by the left driving bracket, the left bending arm is arranged on the left bending shaft and can rotate together with the left bending shaft, the right bending shaft is rotatably supported by the right driving bracket, the right bending arm is arranged on the right bending shaft and can rotate together with the right bending shaft, the left driving bracket and the right driving bracket are arranged on the machine body, and the bending frame spans between the left driving bracket and the right driving bracket and is simultaneously fixed together with the left bending arm and the right bending arm; the die assembly comprises a supporting die assembly, a bending die assembly and a clamping die assembly, wherein the supporting die assembly spans between the left driving bracket and the right driving bracket and is simultaneously fixed with the left bending arm and the right bending arm, and the bending die assembly is arranged right above the clamping die assembly, spans between the left driving bracket and the right driving bracket with the clamping die assembly and is fixed with the machine body.
Still provide a U pipe bending machine, it includes return bend mechanism, its characterized in that: the pipe bending mechanism is one of the pipe bending mechanisms.
Compared with the prior art, the invention has the advantages that: the length of a required bent pipe can be conveniently adjusted through the pipe bending mechanism of the U-pipe bending machine, so that the bending machine can adapt to bending requirements of U-pipes with different lengths; the cutting part and the feeding part are separated, and particularly, the cutting part overturning driving assembly is designed, when the pipe is bent, the cutting part is only required to be in the avoiding position, and other parts do not need to be moved, so that the production efficiency can be improved, and the failure rate is reduced.
Drawings
Fig. 1 is a schematic three-dimensional structure of a U-tube bender according to an embodiment of the present invention.
Fig. 2 is a top view of a U-tube bender according to an embodiment of the present invention.
Fig. 3 is a schematic view illustrating a state of a cutting member of a U-tube bender in cutting.
Fig. 4 is a schematic view illustrating a state when a cutting member of a U-tube bender is retracted according to an embodiment of the present invention.
Fig. 5 is a schematic three-dimensional structure of a bending part and a discharging part of a U-tube bender according to an embodiment of the present invention.
Fig. 6 is a schematic view showing a state of a metal tube, a mandrel and a discharge tube of a U-tube bender according to an embodiment of the present invention.
Fig. 7 is a schematic perspective view of a discharging mechanism according to an embodiment of the present invention.
Fig. 8 is a front view of a discharging mechanism in the feeding process of a metal tube according to an embodiment of the present invention.
Fig. 9 is a front view of a discharge mechanism according to an embodiment of the present invention with a metal tube fed in place.
Fig. 10 is a partial schematic view of a cutting member according to an embodiment of the present invention.
Fig. 11 is an enlarged view of the portion i in fig. 5.
Fig. 12 is an enlarged view of section ii of fig. 5.
Description of the embodiments
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1 to 12, a U-tube bender comprises a machine body 1, a straightening part 2, a feeding part 3, a cutting part 4, a bending part 5, a discharging part 6 and an output part 7.
The straightening part 2, the feeding part 3, the cutting part 4, the bending part 5 and the discharging part 6 are sequentially arranged on the machine body 1, and the output part 7 is arranged beside the machine body 1.
The straightening part 2 is used for straightening an incoming metal pipe so as to ensure smooth pipe bending.
The feeding part 3 conveys the straight pipe from the straightening part 2 to the bending part for bending according to the length required by the workpiece.
The cutting part 4 cuts a fixed-length metal pipe according to the requirement of a workpiece, and is used for bending the bending part.
The bending part 5 is used for bending the cut fixed-length metal pipe into a U shape.
The unloading part 6 plays a role in supporting the metal pipe in the bending process, ensures the bending effect, and pushes the bent U-shaped pipe out of the bending part 5 to fall onto the output part 7 after the metal pipe is bent.
The output member 7 is for receiving the bent U-tube and outputting the U-tube to a collecting member (not shown).
The cutting part 4, the bending part 5 and the discharging part 6 form a pipe bending mechanism of the U-pipe bending machine, which is also the core of the invention.
As shown in fig. 3, the cutting member 4 includes a cutter assembly 401, a cutter assembly mounting seat 402, a cutter assembly translation frame 403, and a turnover driving assembly, the cutter assembly 401 is mounted on the cutter assembly mounting seat 402, one end of the cutter assembly mounting seat 402 is rotatably mounted on the cutter assembly translation frame 403 through a fixing shaft 404, the other end is connected with the turnover driving assembly, the fixing shaft 404 is mounted on the cutter assembly translation frame 403, the turnover driving assembly is mounted on the cutter translation frame 403, and the cutter translation frame 403 is movably disposed on the machine body 1 through a guide mechanism and is driven by the horizontal driving assembly, so that the position of the cutter translation frame 403, that is, the position of the cutter assembly 401, can be adjusted according to the length of the workpiece.
The horizontal driving assembly of this embodiment includes a horizontal driver, a screw 410 and a nut 411, the nut 411 is fixed on the cutter translation frame 403 and is sleeved outside the driving screw 410, the horizontal driver is fixed on the machine body 1, the horizontal driver drives the screw 410, and the screw drives the nut and moves horizontally together with the cutter translation frame 403 fixed thereto.
The horizontal driver in this embodiment is a motor 409, or may be another general driver, which is located below the feeding component, the guiding mechanism is a slide rail 408 and a slide block 407, the slide rail 408 is fixed on the machine body 1, the slide block 407 is fixed or integrated with the cutter translation frame 403, and the slide block 407 is supported on the slide rail 408 to be movable along the slide rail, see fig. 10.
When the metal tube is conveyed and the metal tube 8 is cut, as shown in fig. 3, the cutter assembly 401 is in a horizontal state, and when the bending part is required to be avoided after the cutting is finished, as shown in fig. 4, the overturning driving assembly drives the cutter assembly mounting seat 402 to rotate by a certain angle, so that the cutter assembly 401 is positioned below the metal tube 8.
The overturning driving component of the embodiment is a cylinder, a cylinder body 405 of the cylinder is rotatably mounted on the cutter component translation frame 403 through a rotating shaft, a piston rod 406 of the cylinder is rotatably connected with one end of the cutter component mounting seat 402 through a pin, so that when the cylinder piston rod 406 extends out, as shown in fig. 3, the cutter component 401 is in a normal horizontal position, and can normally cut a metal pipe; when the cylinder piston rod 406 is retracted, the cutter assembly 401 is rotated downwardly as shown in fig. 4 by an angle that is generally below the metal tube 8 and also below the bend frame 508 when the bend mechanism bends.
The bending member 5 includes a bend actuator 501, a left drive bracket 502, a right drive bracket 503, a left bending shaft 504, a right bending shaft 505, a left bending arm 506, a right bending arm 507, a bending frame 508, and a mold assembly. The bending actuator 501 is mounted on a left drive bracket 502, which is connected to a left bending shaft 504, the left bending shaft 504 is rotatably supported by the left drive bracket 502, the left bending arm 506 is mounted on the left bending shaft 504 and rotatable with the left bending shaft 504, the right bending shaft 505 is rotatably supported by a right drive bracket 503, the right bending arm 507 is mounted on a right bending shaft 505 and rotatable with the right bending shaft 505, the left drive bracket 502 and the right drive bracket 503 are mounted on the body 1, and the bending bracket 508 spans between the left drive bracket 502 and the right drive bracket 503 and is fixed with the left bending arm 506 and the right bending arm 507 at the same time.
The mold assembly includes a die support assembly 509, a bending die assembly 510 and a clamping die assembly 511, the die support assembly 509 straddles between the left and right drive brackets 502, 503 and is secured with the left and right bending arms 506, 507. The bending module 510 is disposed right above the clamping module 511, and spans between the left driving bracket 502 and the right driving bracket 503 together with the clamping module 511, and is fixed with the machine body 1.
When the bending driver 501 drives the left bending shaft 504 to rotate, the left bending arm 506 and the right bending arm 507 drive the bending frame 508 and the die supporting assembly 509 to rotate together, so as to complete the bending action of the metal tube 8, or reset the bending frame 508 and the die supporting assembly 509, and prepare for the next bending action.
The bend driver 501 of the present embodiment is a motor.
The discharging part 6 comprises a mandrel 601, a discharging pipe 602, a discharging pipe mounting block 603, a discharging cylinder 604, a discharging pipe translation frame 605 and a vertical plate 606, wherein the mandrel 601 and the discharging pipe 602 are movably arranged on the bending frame 508, the discharging pipe 602 is sleeved outside the mandrel 601, the end of the metal pipe 8 can bear against the end of the discharging pipe 602 after being sent in place, and the mandrel 601 is positioned in the metal pipe 8 as shown in fig. 6.
The utility model discloses a discharge tube mounting block 603, including discharge tube 602, discharge tube mounting block 603 and discharge cylinder 604's piston rod is connected, discharge cylinder 604 installs on discharge tube translation frame 605, install riser 606 on the discharge tube translation frame 605, set up slider slide rail guiding mechanism between riser 606 and the discharge tube mounting block 603, slider 607 is installed on discharge tube mounting block 603, slide rail 608 is installed on riser 606, limiting plate 609 is still installed on the upper portion of riser 606. The discharge tube mounting block 603 is driven to move back and forth by the extension and contraction of the piston rod.
Still include the material detection device that targets in place of sending, the material detection device that targets in place includes limiting plate 609, adjusting screw 610, detection switch, and the limiting plate is installed riser 606 upper portion, the adjusting screw 610 front end passes the limiting plate, just right with the unloading pipe installation piece, unloading cylinder 604 is from taking detection switch. During feeding, as shown in fig. 8, the piston rod of the discharging cylinder 604 is in an extending state, when the feeding is fast in place, the metal pipe 8 can move along the feeding direction against the discharging pipe 602 to drive the discharging pipe mounting block 603 to move together, meanwhile, the discharging pipe mounting block 603 can compress the piston rod of the discharging cylinder 604 to retract, when the feeding is in place, the discharging pipe mounting block 603 can touch the end part of the adjusting screw 610, as shown in fig. 9, and then the detecting switch of the discharging cylinder 604 can send a signal to control the feeding part 3 to stop feeding. The feeding in-place detection device is designed, so that the feeding precision of each channel can be ensured, and the precision of each channel can be independently adjusted through adjusting the screw 610. After the end of the pipe bending, the piston rod of the unloading cylinder 604 is reset and is in an extending state.
The position of the end of the discharge tube 602 against the metal tube 8 is set according to the length of the workpiece. Therefore, the horizontal movement mechanism of the discharge pipe is also arranged, and the length of the bent pipe can be determined by driving the discharge pipe to different positions. The discharging pipe translation mechanism of the embodiment comprises a belt plate assembly 611, a conveying belt 614 and a motor 618, wherein the belt plate assembly 611 is arranged at the lower part of the discharging pipe translation frame 605, and the middle part of the belt plate assembly 611 can pass through the conveying belt 614 and is fixed with the conveying belt 614 to move together. The motor 618 is arranged on the bending frame 508, the driving pulley 617 is arranged on the output shaft of the motor 618, the driven pulley 619 which is in transmission with the driving pulley is arranged at the other end of the bending frame, the driving pulley and the driven pulley are connected and transmitted through the conveying belt 614, the motor 618 drives the driving pulley 617 to rotate, the conveying belt 614 is enabled to move through the driven pulley 619, and accordingly the belt pressing plate assembly 611 drives the discharge pipe translation frame 605 to move, and the position of the discharge pipe 602 is adjusted to adapt to workpieces with different lengths.
In order to enable the discharge tube translation frame 605 to stably move, a sliding block and sliding rail guide mechanism is arranged between the discharge tube translation frame 605 and the bending frame, a sliding block 612 is arranged on the discharge tube translation frame 605, and a sliding rail 613 is arranged on the bending frame 508.
Still include dabber moving mechanism, it includes cylinder 620, push rod 621, mount pad 622, dabber 601 one end is fixed on mount pad 622, and the other end is supported by the bending frame, cylinder 620 installs on bending frame 508, and it is connected with the one end of push rod 621, the other end and the mount pad 622 of push rod 621 are connected, set up slider slide rail guiding mechanism between mount pad 622 and the bending frame 508, the slider is installed on mount pad 622, the slider frame is on slide rail 613, and the flexible of piston rod of accessible cylinder drives mount pad 622 and dabber 601 that installs on it from this moves.
When the metal pipe bent pipes with different lengths are produced, the positions of the cutting part 4 and the discharging pipe 602 are only required to be adjusted, so that the device is convenient and quick to produce.
After the position is adjusted, the metal pipe 8 enters the feeding part 3 through the straightening part 2, the feeding part 3 clamps the metal pipe 8 to convey the metal pipe with a certain length to the direction of the bending part 5, after the metal pipe is conveyed in place, the feeding part 3 stops working, the cutter assembly 401 starts cutting the metal pipe, after the metal pipe is cut off, the feeding part 3 withdraws the cut back section metal pipe from the cutting part, then the cylinder piston rod 406 withdraws to turn down the cutting part 401 to avoid the bending frame 508, meanwhile, the cut front section metal pipe 8 is clamped by the bending mould assembly and the clamping mould assembly, the supporting mould assembly supports the metal pipe, the motor of the bending part drives the bending frame to bend the metal pipe, U-pipe preparation is completed, after the bending is completed, the mandrel 601 withdraws from the bent U-pipe for a distance, the clamping mould assembly and the supporting mould assembly are loosened, the unloading pipe 602 moves, the U-pipe is pushed out of the bending part 5 to the output part 7, then the bending part and the cutting part are turned over to reset, and the mandrel 601 and the unloading pipe 602 are reset to prepare for cutting and bending cycle of the next metal pipe.
Claims (10)
1. The utility model provides a pipe bending mechanism of U pipe bending machine which characterized in that: the cutting component, the bending component and the discharging component are sequentially arranged, the cutting component comprises a cutter component, a cutter component mounting seat, a cutter component translation frame and a turnover driving component, the cutter component is mounted on the cutter component mounting seat, one end of the cutter component mounting seat is rotatably mounted on the cutter component translation frame through a rotating mechanism, the other end of the cutter component mounting seat is connected with the turnover driving component and is driven by the turnover driving component to rotate around the rotating mechanism, the discharging component comprises a mandrel, a discharging pipe and a moving mechanism, the mandrel and the discharging pipe are movably arranged on the bending frame of the bending component through the moving mechanism, and the discharging pipe is sleeved outside the mandrel in a penetrating manner and can prop against the front end of a metal pipe to be bent; when cutting the metal pipe, the cutter assembly mounting seat drives the cutter assembly to a normal pipe cutting position by the overturning driving assembly; when the pipe is bent, the cutter assembly installation seat drives the cutter assembly to a position avoiding the bending frame by the overturning driving assembly.
2. The pipe bending mechanism according to claim 1, wherein: the rotating mechanism comprises a fixed shaft, two ends of the fixed shaft are arranged on the cutter assembly translation frame, and the cutter assembly mounting seat is rotatably supported by the fixed shaft, so that the cutter assembly mounting seat can rotate around the fixed shaft.
3. The pipe bending mechanism according to claim 1, wherein: the cutting part further comprises a horizontal driving assembly, the horizontal driving assembly comprises a horizontal driver, a screw rod, a nut and a guide mechanism, the guide mechanism comprises a sliding rail and a sliding block on the cutter translation frame, the nut is fixed on the cutter translation frame and sleeved outside the driving screw rod, the screw rod is driven by the horizontal driver, and the screw rod drives the nut and the cutter translation frame fixed by the screw rod to move horizontally together.
4. The pipe bending mechanism according to claim 1, wherein: the moving mechanism of the discharging part comprises a discharging pipe mounting block, a discharging cylinder, a discharging pipe translation frame and a vertical plate, wherein the discharging pipe is mounted on the discharging pipe mounting block, the discharging pipe mounting block is connected with a piston rod of the discharging cylinder, the discharging cylinder is mounted on the discharging pipe translation frame, the vertical plate is mounted on the discharging pipe translation frame, a guide mechanism is arranged between the vertical plate and the discharging pipe mounting block, and the discharging pipe mounting block can be driven to move back and forth through the expansion and the contraction of the piston rod.
5. The pipe bending mechanism according to claim 4, wherein: the guide mechanism is a sliding block and sliding rail guide mechanism, the sliding block is arranged on the discharge pipe installation block, and the sliding rail is arranged on the vertical plate.
6. The pipe bending mechanism according to claim 1, wherein: the automatic feeding device is characterized by further comprising a moving mechanism of the discharge tube translation frame, wherein the moving mechanism of the discharge tube translation frame comprises a belt pressing plate assembly, a conveying belt and a motor, the belt pressing plate assembly is arranged at the lower part of the discharge tube translation frame and fixed with the conveying belt, the motor is arranged on the bending frame, a driving belt wheel is arranged on an output shaft of the motor and is arranged at the other end of the bending frame with a driven belt wheel which is driven by the motor, the driving belt wheel and the driven belt wheel are connected and driven by the conveying belt, the driving belt wheel is driven by the motor to rotate, and the conveying belt is driven by the driven belt wheel, so that the discharge tube translation frame is driven by the belt pressing plate assembly.
7. The pipe bending mechanism according to claim 4, wherein: still including sending material detection device that targets in place, the material detection device that targets in place includes limiting plate, adjusting screw, detecting switch, and the limiting plate is installed riser upper portion, the adjusting screw front end passes the limiting plate, just right with the unloading pipe installation piece, the cylinder is from taking detecting switch, when the unloading pipe installation piece runs into adjusting screw, detecting switch can send stop signal, control pay-off part stop pay-off.
8. The pipe bending mechanism according to claim 1, wherein: the mandrel moving mechanism comprises a cylinder, a push rod and a mounting seat, one end of the mandrel is fixed on the mounting seat, the other end of the mandrel is supported by a bending frame, the cylinder is mounted on the bending frame and connected with one end of the push rod, the other end of the push rod is connected with the mounting seat, and a sliding block sliding rail guiding mechanism is arranged between the mounting seat and the bending frame.
9. The pipe bending mechanism according to claim 1, wherein: the bending part comprises a bending pipe driver, a left driving bracket, a right driving bracket, a left bending shaft, a right bending shaft, a left bending arm, a right bending arm, a bending frame and a die assembly, wherein the bending pipe driver is arranged on the left driving bracket and connected with the left bending shaft, the left bending shaft is rotatably supported by the left driving bracket, the left bending arm is arranged on the left bending shaft and can rotate together with the left bending shaft, the right bending shaft is rotatably supported by the right driving bracket, the right bending arm is arranged on the right bending shaft and can rotate together with the right bending shaft, the left driving bracket and the right driving bracket are arranged on the machine body, and the bending frame spans between the left driving bracket and the right driving bracket and is simultaneously fixed together with the left bending arm and the right bending arm; the die assembly comprises a supporting die assembly, a bending die assembly and a clamping die assembly, wherein the supporting die assembly spans between the left driving bracket and the right driving bracket and is simultaneously fixed with the left bending arm and the right bending arm, and the bending die assembly is arranged right above the clamping die assembly, spans between the left driving bracket and the right driving bracket with the clamping die assembly and is fixed with the machine body.
10. The utility model provides a U pipe bending machine, its includes return bend mechanism, its characterized in that: the pipe bending mechanism is any one of the pipe bending mechanisms of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310058474.0A CN116408377A (en) | 2023-01-20 | 2023-01-20 | Pipe bending mechanism of U-pipe bending machine and U-pipe bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310058474.0A CN116408377A (en) | 2023-01-20 | 2023-01-20 | Pipe bending mechanism of U-pipe bending machine and U-pipe bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN116408377A true CN116408377A (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310058474.0A Pending CN116408377A (en) | 2023-01-20 | 2023-01-20 | Pipe bending mechanism of U-pipe bending machine and U-pipe bending machine |
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| CN (1) | CN116408377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117733578A (en) * | 2023-12-29 | 2024-03-22 | 广东博益空调配套设备有限公司 | Copper pipe processing system |
-
2023
- 2023-01-20 CN CN202310058474.0A patent/CN116408377A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117733578A (en) * | 2023-12-29 | 2024-03-22 | 广东博益空调配套设备有限公司 | Copper pipe processing system |
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