Variant type punch for flaring end part of pipe

Abstract

The invention discloses a variant type punch for pipe end flaring, and belongs to the technical field of pipe machining, the variant type punch comprises a moving seat, a flaring head for pipe end flaring is arranged at the end of the moving seat, and the variant type punch for pipe end flaring is provided with a driving gear which can rotate through work of a driving part; when the driving gear rotates, the first two-way threaded rod and the second two-way threaded rod can be driven to rotate through cooperation of the driven gear, and when the first two-way threaded rod and the second two-way threaded rod rotate, the vertical internal thread sliding block and the transverse internal thread sliding block can be driven to move vertically and transversely. When the vertical internal thread sliding block and the transverse internal thread sliding block move vertically and transversely, the movable base and the flaring head can be driven to move, when the flaring head moves, flaring can be conducted on the end of a pipeline, operation is convenient and stable, and the end of the pipeline can be flaring into the needed shape according to the requirement of a user.

Description

Technical Field

[0001] The present invention relates to the technical field of pipe processing, and specifically to a variant punch for flaring the end of a pipe. Background Art

[0002] In the field of metal pipe processing, pipe end flaring is a common forming process, which is widely used in industries such as automobile manufacturing, aerospace, energy pipelines, and household appliances. The flaring process applies a radial force to the end of the pipe to cause plastic deformation of the pipe orifice, forming a flared mouth or special-shaped port at a specific angle to meet functional requirements such as connection, sealing, or fluid guiding. Traditional flaring processes mostly use punches with fixed geometric shapes (such as conical, spherical, or stepped punches). However, with the diversification and precision of industrial application scenarios, the following technical bottlenecks of traditional punch structures have gradually emerged: limited adaptability, insufficient forming accuracy, and difficulty in meeting the requirements of flexible production. Therefore, a variant punch is needed.

[0003] The authorized announcement number CN114985612B discloses a variant punch for flaring the end of a pipe, belonging to the technical field of aluminum alloy sheet metal processing for aircraft. It includes two types: a single-row drive rod variant flaring punch and a double-row drive rod variant flaring punch. This invention uses a drive rod with left-handed and right-handed threads and a drive mechanism of gear meshing to adjust the relative position between the punch petals to form punches with different external shapes, which can be used for flaring the ends of pipes with different cross-sectional shapes, including circular, rectangular with rounded corners, and "racetrack-shaped" cross-sections. It saves the number of punches, thereby reducing the manufacturing cost, and avoids frequently replacing punches of different specifications, thus improving work efficiency. At the same time, this invention can be realized without a complex adjustment mechanism, has a simple structure, is easy to implement, and is convenient to use. However, when flaring the end of the pipe, this invention needs to achieve the movement of the flaring punch through the displacement and rotation of the gear, the operation is relatively complex, the stability is poor, and when flaring a circle, since the punch moves in a 45° oblique direction, the regularity of the circular flaring will be poor. Summary of the Invention

[0004] The purpose of the present invention is to provide a variant punch for flaring the end of a pipe. Through the cooperation of a vertical internal thread slider and a horizontal internal thread slider, the displacement of the moving seat and the flaring head can be realized, the operation is convenient and stable, the end of the pipe can be flared into the required shape according to the needs of the user, and the rotation of the flaring head can also be realized through the cooperation of components to regularize the circular flaring of the end of the steel pipe.

[0005] To achieve the above object, the present invention provides the following technical solution: A variant punch for flaring the end of a pipe, comprising: a moving seat, the end of the moving seat is provided with a flaring head for flaring the end of the pipe, a driving mechanism for driving the flaring head to move vertically and horizontally is installed on the moving seat, and the moving seat and the flaring head are connected by a rotating mechanism; The driving mechanism includes a vertical moving component and a horizontal moving component for the vertical and horizontal movement of the flaring head, and a driving component for the operation of the vertical moving component and the horizontal moving component; The vertical moving component and the horizontal moving component are respectively installed on the moving seat, and the driving component is installed on both the vertical moving component and the horizontal moving component; The rotating mechanism includes a rotating component for the rotation of the flaring head, an installation component for the installation of the rotating component, and a telescopic component for the lifting of the flaring head; The installation component is installed on the driving component, the rotating component is installed on the installation component, and the telescopic component is installed on the rotating component.

[0006] Preferably, the vertical moving component includes a vertical internal thread slider and a first limit block for the vertical movement of the moving seat, a vertical moving groove and a first limit groove for the installation of the vertical internal thread slider and the first limit block, and a first bidirectional threaded rod for the movement of the vertical internal thread slider and the first limit block; A vertical moving groove is vertically opened at the top of the moving seat, and two first limit grooves are horizontally opened on the inner wall of the vertical moving groove before and after; A vertical internal thread slider is movably connected inside the vertical moving groove, and two first limit blocks are fixedly installed on the surface of the vertical internal thread slider close to the first limit groove; The inside of the vertical internal thread slider is threadedly connected with a first bidirectional threaded rod through a thread groove.

[0007] Preferably, the horizontal moving component includes a horizontal internal thread slider and a second limit block for the vertical movement of the moving seat, a horizontal moving groove and a second limit groove for the installation of the horizontal internal thread slider and the second limit block, and a second bidirectional threaded rod for the movement of the horizontal internal thread slider and the second limit block; A horizontal moving groove is horizontally opened on the side of the moving seat, and two second limit grooves are vertically opened on the inner wall of the horizontal moving groove before and after; A horizontal internal thread slider is movably connected inside the horizontal moving groove, and two second limit blocks are fixedly installed on the surface of the horizontal internal thread slider close to the second limit groove; The inside of the horizontal internal thread slider is threadedly connected with a second bidirectional threaded rod through a thread groove.

[0008] Preferably, the driving assembly includes a connecting plate for mounting the first bidirectional threaded rod and the second bidirectional threaded rod, and a driven gear for rotating the first bidirectional threaded rod and the second bidirectional threaded rod; Both ends of the first bidirectional threaded rod and the second bidirectional threaded rod are provided with connecting plates, and driven gears are fixedly installed at the top of the first bidirectional threaded rod and the right end of the second bidirectional threaded rod.

[0009] Preferably, the driving assembly further includes a driving gear for rotating the driven gear, and a rotating shaft for mounting the driving gear; A rotating shaft is rotatably installed through the center position of the connecting plate close to the driven gear, and a driving gear matched with the driven gear is fixedly installed at one end of the rotating shaft; A driving member is installed at the other end of the rotating shaft.

[0010] Preferably, the mounting assembly includes a mounting frame for mounting the rotating assembly, a fixing rod for fixing the mounting frame, and a groove for mounting the mounting frame and the fixing rod; A fixing rod is fixedly installed on the side of the connecting plate close to the lateral movement assembly, and the other end of the fixing rod is rotatably connected to the end of the rotating shaft; A mounting frame is fixedly installed at the center of the fixing rod, and a groove matched with the fixing rod and the mounting frame is formed on the moving seat.

[0011] Preferably, the rotating assembly includes a motor for providing the driving force for the rotation of the flaring head, a rotating seat for the rotation of the telescopic assembly, and a rotating ring for fixing the telescopic assembly; A motor is fixedly installed on the mounting frame, and a rotating seat is fixedly installed at the output end of the motor; A rotating ring is sleeved on the outer surface of the rotating seat.

[0012] Preferably, the rotating assembly further includes a rotating groove for assembling the rotating ring, a guiding groove and a guiding block for driving the rotation of the rotating ring, and a pushing column for pushing the rotation of the flaring head; Two rotating grooves matched with the rotating ring are symmetrically formed on the surface of the rotating seat, and at least two guiding grooves are formed in an annular array inside each rotating groove; A guiding block matched with the guiding groove is fixedly installed on the inner wall of the rotating ring, and a pushing column is fixedly installed at the output end of the telescopic assembly; One end of the pushing column is fixedly installed on the flaring head.

[0013] Preferably, the rotating assembly further includes a slider and a chute for guiding the expanding head, a rotating plate and a rotating groove for limiting the expanding head, and a sliding rail and a track groove for limiting the rotating plate; A rotating groove is provided at the front end of the expanding head, and a track groove is provided inside the rotating groove; A sliding rail is slidably connected inside the track groove, and a rotating plate is fixedly installed on the sliding rail; A chute is provided on the rotating plate, and a slider is movably connected inside the chute; The slider is fixedly installed at the other end of the push rod.

[0014] Preferably, the telescopic assembly includes a fixed cylinder and an extension rod for pushing the expanding head to rotate, and a piston, an air inlet hole, a sealing hole for sucking external gas into the fixed cylinder, and a sealing plug for sealing the sealing hole; At least two fixed cylinders are fixedly installed on the outer surface of the rotating ring close to the guiding block in an annular array, and an extension rod is movably connected to the top end of the fixed cylinder; A piston is fixedly installed at the end of the extension rod, and the piston is movably connected inside the fixed cylinder; An air inlet hole is penetrated through the surface of the rotating ring close to the end of the fixed cylinder, and one end of the air inlet hole is opened inside the guiding block; A sealing hole is penetrated through the side surface of the guiding block close to the air inlet hole, and sealing plugs are fixedly installed at both ends of the inner wall of the guiding groove close to the sealing hole; The length of the sealing plug is greater than the length of the sealing hole.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the variant punch for expanding the end of a pipe; 1. It is provided with a driving gear that can rotate through the operation of a driving member. When the driving gear rotates, it can drive the first double-threaded screw rod and the second double-threaded screw rod to rotate through the cooperation of a driven gear. When the first double-threaded screw rod and the second double-threaded screw rod rotate, they can drive the vertical internal-threaded slider and the horizontal internal-threaded slider to move vertically and horizontally respectively. When the vertical internal-threaded slider and the horizontal internal-threaded slider move vertically and horizontally, they can drive the moving seat and the expanding head to move. When the expanding head moves, it can expand the end of the pipe. The operation is convenient and stable, and the end of the pipe can be expanded into the required shape according to the needs of the user; 2. When the motor works, it can drive the telescopic component to rotate through the cooperation of parts such as the rotating seat and the rotating ring. When the telescopic component rotates, it can drive the pushing column to rotate. When the pushing column rotates, it can drive the expanding head to rotate. When the expanding head rotates, it can regularize the circular expansion at the end of the steel pipe, making it more regular when the end of the steel pipe is expanded into a circle. 3. When the expanding head expands the end of the steel pipe into a circle, the expanding head can pull the extension rod through the cooperation of the pushing column. When the extension rod is pulled, it can inhale external air into the fixed cylinder through the cooperation of the piston. After the air enters the fixed cylinder, it can insert the sealing plug into the sealing hole through the rotation of the rotating seat, the rotating groove and the guiding groove to seal the air inside the fixed cylinder. When the sealing hole is sealed, the expanding head can be stably supported by the fixed cylinder and the extension rod, making it more stable when the expanding head regularizes the circular expansion at the end of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the first perspective of the present invention; Figure 2 is a schematic structural diagram of the second perspective of the present invention; Figure 3 is a schematic sectional structural diagram of the first partial perspective of the present invention; Figure 4 is a schematic sectional structural diagram of the second partial perspective of the present invention; Figure 5 is a schematic diagram of the partial regularization structure of the present invention; Figure 6 is a schematic front view regularization structure diagram of the present invention; Figure 7 is a schematic sectional structural diagram of the telescopic component of the present invention; Figure 8 is the present invention Figure 7 is an enlarged structural diagram of part A.

[0017] In the figure: 100, moving seat; 200, expanding head; 300, driving mechanism; 310, vertical moving component; 311, vertical moving groove; 312, first limiting groove; 313, vertical internal thread slider; 314, first limiting block; 315, first bidirectional threaded rod; 320, horizontal moving component; 321, horizontal moving groove; 322, second limiting groove; 323, horizontal internal thread slider; 324, second limiting block; 325, second bidirectional threaded rod; 330, driving component; 331, connecting plate; 332, driven gear; 333, rotating shaft; 334, driving gear; 400. Rotating mechanism; 410. Mounting component; 411. Fixed rod; 412. Groove; 413. Mounting bracket; 420. Rotating component; 421. Motor; 422. Rotating seat; 423. Rotating groove; 424. Guide groove; 425. Rotating ring; 426. Guide block; 427. Pushing column; 428. Slide block; 429. Slide groove; 4210. Rotating plate; 4211. Slide rail; 4212. Track groove; 4213. Rotating slot; 430. Telescoping component; 431. Fixed cylinder; 432. Piston; 433. Extension rod; 434. Air inlet hole; 435. Sealing hole; 436. Sealing plug. Detailed implementation manner

[0018] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances for the embodiments of this application described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or vehicle that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or vehicles.

[0020] In addition, the terms "mount", "set", "provided with", "connected", "connected to", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, components or parts. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5, the present invention provides an embodiment: a variant punch for flaring the end of a pipe, comprising: a moving seat 100, an end of the moving seat 100 is provided with a flaring head 200 for flaring the end of the pipe, a driving mechanism 300 for driving the flaring head 200 to move vertically and horizontally is installed on the moving seat 100, and the moving seat 100 and the flaring head 200 are connected by a rotating mechanism 400; It should be understood that when the driving mechanism 300 works, it can drive the four moving seats 100 to move towards or away from each other in pairs. When the four moving seats 100 move, they can drive the corresponding flaring heads 200 to move. When the flaring heads 200 move, they can flare the end of the pipe. When the pipe is circularly flared, after the flaring heads 200 move to the designated position, the rotating mechanism 400 can work to drive the flaring heads 200 to rotate through components. When the flaring heads 200 rotate, the flaring shape of the pipe end can be made more regular.

[0022] Such as Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown in, the driving mechanism 300 includes a vertical moving component 310 and a horizontal moving component 320 for the vertical and horizontal movement of the flaring head 200, and a driving component 330 for the operation of the vertical moving component 310 and the horizontal moving component 320. The vertical moving component 310 and the horizontal moving component 320 are respectively installed on the moving seat 100, and the driving component 330 is installed on both the vertical moving component 310 and the horizontal moving component 320; It can be imagined that when the driving component 330 works, it can drive the vertical moving component 310 and the horizontal moving component 320 to work. When the vertical moving component 310 works, it can drive the moving seats 100 and the flaring heads 200 in pairs to move vertically. When the horizontal moving component 320 works, it can drive the moving seats 100 and the flaring heads 200 in pairs to move horizontally. When the flaring heads 200 move vertically and horizontally, they can flare the end of the pipe, and the flaring heads 200 can flare the end of the pipe into a corresponding shape through the cooperation of the vertical moving component 310 and the horizontal moving component 320.

[0023] Such as Figures 1-5 , Figure 7 As shown in, the rotating mechanism 400 includes a rotating component 420 for the rotation of the flaring head 200, an installation component 410 for installing the rotating component 420, and a telescopic component 430 for the lifting of the flaring head 200. The installation component 410 is installed on the driving component 330, the rotating component 420 is installed on the installation component 410, and the telescopic component 430 is installed on the rotating component 420; It should be noted that the rotating component 420 is installed at the center position between the four moving seats 100 and the expanding head 200 through the installation component 410. Thus, when the four moving seats 100 and the expanding head 200 move, the rotating component 420 can always work at the center position. When the expanding head 200 moves, it can be connected to the rotating component 420 through the operation of the telescopic component 430. When the expanding head 200 reaches the specified position, the operation of the rotating component 420 can drive the expanding head 200 to rotate. When the expanding head 200 rotates, it can regularize the flaring of the center of the pipe end.

[0024] As Figures 1-5 shown, the vertical moving component 310 includes a vertical internal thread slider 313 and a first limiting block 314 for the vertical movement of the moving seat 100, as well as a vertical moving groove 311 and a first limiting groove 312 for installing the vertical internal thread slider 313 and the first limiting block 314, and a first bidirectional threaded rod 315 for moving the vertical internal thread slider 313 and the first limiting block 314. A vertical moving groove 311 is vertically opened at the top of the moving seat 100. Two first limiting grooves 312 are horizontally opened on the front and rear inner walls of the vertical moving groove 311. A vertical internal thread slider 313 is movably connected inside the vertical moving groove 311. Two first limiting blocks 314 are fixedly installed on the surface of the vertical internal thread slider 313 close to the first limiting groove 312. The inside of the vertical internal thread slider 313 is threadedly connected to a first bidirectional threaded rod 315 through a threaded groove; It should be understood that when the first bidirectional threaded rod 315 rotates, it can drive the two vertical internal thread sliders 313 on its surface to move vertically towards or away from each other. When the vertical internal thread slider 313 moves vertically, it can drive the first limiting block 314 on its surface to move vertically. When the first limiting block 314 moves vertically, it can drive the two moving seats 100 to move vertically through the cooperation of the first limiting groove 312. When the moving seat 100 moves vertically, it can drive the second limiting groove 322 and the second limiting block 324 to slide, and at the same time drive the horizontal moving groove 321 and the horizontal internal thread slider 323 to slide.

[0025] As Figures 1-5As shown in the figure, the lateral movement assembly 320 includes a lateral internal thread slider 323 and a second limit block 324 for moving the seat 100 vertically, as well as a lateral movement groove 321 and a second limit groove 322 for installing the lateral internal thread slider 323 and the second limit block 324, and a second bidirectional threaded rod 325 for moving the lateral internal thread slider 323 and the second limit block 324. A lateral movement groove 321 is horizontally opened on the side of the seat 100. Two second limit grooves 322 are vertically opened on the front and rear inner walls of the lateral movement groove 321. A lateral internal thread slider 323 is movably connected inside the lateral movement groove 321. Two second limit blocks 324 are fixedly installed on the surface of the lateral internal thread slider 323 close to the second limit groove 322. The inside of the lateral internal thread slider 323 is threadedly connected with a second bidirectional threaded rod 325 through a threaded groove; It can be conceived that when the second bidirectional threaded rod 325 rotates, it can drive the two lateral internal thread sliders 323 on its surface to move horizontally towards or away from each other. When the lateral internal thread slider 323 moves horizontally, it can drive the second limit block 324 on its surface to move horizontally. When the second limit block 324 moves horizontally, it can drive the two seats 100 to move horizontally through the cooperation of the second limit groove 322. When the seat 100 moves horizontally, it can drive the first limit groove 312 and the first limit block 314 to slide, and at the same time drive the vertical movement groove 311 and the vertical internal thread slider 313 to slide.

[0026] As Figures 1-4 shown in the figure, the driving assembly 330 includes a connecting plate 331 for installing the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325, and a driven gear 332 for rotating the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325. Connecting plates 331 are installed at both ends of the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325. A driven gear 332 is fixedly installed at the top of the first bidirectional threaded rod 315 and the right end of the second bidirectional threaded rod 325; It should be understood that when the driven gear 332 rotates, it can drive the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325 to rotate respectively. When the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325 rotate, they can rotate with the connecting plate 331. When the first bidirectional threaded rod 315 and the second bidirectional threaded rod 325 rotate, they can drive the vertical internal thread slider 313 and the lateral internal thread slider 323 on their surfaces to perform vertical threaded sliding and horizontal threaded sliding.

[0027] As Figures 1-4As shown, the driving component 330 further includes a driving gear 334 for driving the rotation of the driven gear 332, and a rotating shaft 333 for mounting the driving gear 334. A rotating shaft 333 is rotatably mounted through the center position of the connecting plate 331 near the driven gear 332. One end of the rotating shaft 333 is fixedly installed with a driving gear 334 that cooperates with the driven gear 332, and the other end of the rotating shaft 333 is installed with a driving member; It can be conceived that the operation of the driving member can drive the rotation of the rotating shaft 333. When the rotating shaft 333 rotates, it can rotate on the connecting plate 331. When the rotating shaft 333 rotates, it can drive the driving gear 334 to rotate. When the driving gear 334 rotates, it can drive the two driven gears 332 on the side to engage and rotate. When the driven gears 332 engage and rotate, they can drive the first double-threaded screw rod 315 and the second double-threaded screw rod 325 to rotate.

[0028] As Figures 1-7 shown, the mounting component 410 includes a mounting frame 413 for mounting the rotating component 420, a fixing rod 411 for fixing the mounting frame 413, and a groove 412 for mounting the mounting frame 413 and the fixing rod 411. A fixing rod 411 is fixedly installed on the side of the connecting plate 331 near the lateral movement component 320. The other end of the fixing rod 411 is rotatably connected to the end of the rotating shaft 333. A mounting frame 413 is fixedly installed at the center of the fixing rod 411. A groove 412 that cooperates with the fixing rod 411 and the mounting frame 413 is formed on the moving seat 100; It should be noted that when the moving seat 100 moves, it can drive the groove 412 to move. When the groove 412 moves, it will be separated from the fixing rod 411 and the mounting frame 413. The mounting frame 413 is installed at the center position between the moving seat 100 and the expansion head 200 through the fixing rod 411. Thus, when the four moving seats 100 and the expansion head 200 move, the rotating component 420 can always work at the center position.

[0029] As Figures 1-8 shown, the rotating component 420 includes a motor 421 for providing the driving force for the rotation of the expansion head 200, a rotating seat 422 for the rotation of the telescopic component 430, and a rotating ring 425 for fixing the telescopic component 430. A motor 421 is fixedly installed on the mounting frame 413. The output end of the motor 421 is fixedly installed with a rotating seat 422, and a rotating ring 425 is sleeved on the outer surface of the rotating seat 422; It should be understood that when the motor 421 operates, it can drive the rotating seat 422 at the output end to rotate. When the rotating seat 422 rotates, it can drive the telescopic component 430 to rotate through the rotating ring 425. When the telescopic component 430 rotates, it can drive the expansion head 200 at the end to rotate.

[0030] As Figures 1-8As shown, the rotating assembly 420 further includes a rotating groove 423 for assembling the rotating ring 425, a guiding groove 424, a guiding block 426 for driving the rotation of the rotating ring 425, and a pushing column 427 for pushing the flaring head 200 to rotate. Two rotating grooves 423 that cooperate with the rotating ring 425 are symmetrically formed on the surface of the rotating base 422. At least two guiding grooves 424 are formed inside each rotating groove 423 in an annular array. A guiding block 426 that cooperates with the guiding groove 424 is fixedly installed on the inner wall of the rotating ring 425. The output end of the telescopic assembly 430 is fixedly installed with a pushing column 427, and one end of the pushing column 427 is fixedly installed on the flaring head 200; It can be conceived that when the rotating base 422 rotates, it can drive the rotation of the rotating groove 423. When the rotating groove 423 rotates, it can drive the rotation of the guiding groove 424. When the guiding groove 424 rotates to the side of the guiding block 426, the guiding groove 424 can push the guiding block 426 to rotate. When the guiding block 426 rotates, it can drive the rotation of the rotating ring 425. When the rotating ring 425 rotates, it can drive the pushing column 427 to rotate through the telescopic assembly 430. When the pushing column 427 rotates, it can drive the flaring head 200 to rotate. When the flaring head 200 rotates, it can regularize the flared portion at the end of the steel pipe.

[0031] As Figures 1-7 shown, the rotating assembly 420 further includes a sliding block 428 and a sliding groove 429 for guiding the flaring head 200, a rotating plate 4210 and a rotating groove 4213 for limiting the flaring head 200, and a sliding rail 4211 and a track groove 4212 for limiting the rotating plate 4210. A rotating groove 4213 is formed at the front end of the flaring head 200. A track groove 4212 is formed inside the rotating groove 4213. A sliding rail 4211 is slidably connected inside the track groove 4212. A rotating plate 4210 is fixedly installed on the sliding rail 4211. A sliding groove 429 is formed on the rotating plate 4210. A sliding block 428 is movably connected inside the sliding groove 429. The sliding block 428 is fixedly installed at the other end of the pushing column 427; It should be understood that when the pushing column 427 rotates, it can drive the sliding block 428 to move. When the sliding block 428 moves, it can slide inside the sliding groove 429. When the sliding block 428 slides inside the sliding groove 429, it will push the rotating plate 4210 to slide inside the rotating groove 4213. When the rotating plate 4210 slides, it can drive the sliding rail 4211 to move. When the sliding rail 4211 moves, it can slide inside the track groove 4212.

[0032] As Figures 1-8As shown, the telescopic component 430 includes a fixed cylinder 431 and an extension rod 433 for pushing the expanding head 200 to rotate, as well as a piston 432, an air inlet hole 434, a sealing hole 435 for sucking external gas into the interior of the fixed cylinder 431, and a sealing plug 436 for sealing the sealing hole 435. At least two fixed cylinders 431 are fixedly installed on the outer surface of the rotating ring 425 close to the guiding block 426 in an annular array. The top end of the fixed cylinder 431 is movably connected to the extension rod 433. The end of the extension rod 433 is fixedly installed with the piston 432. The piston 432 is movably connected inside the fixed cylinder 431. An air inlet hole 434 is penetrated through the surface of the rotating ring 425 close to the end of the fixed cylinder 431. One end of the air inlet hole 434 is opened inside the guiding block 426. A sealing hole 435 is penetrated through the side surface of the guiding block 426 close to the air inlet hole 434. Sealing plugs 436 are fixedly installed at both ends of the inner wall of the guiding groove 424 close to the sealing hole 435. The length of the sealing plug 436 is greater than the length of the sealing hole 435; It can be imagined that when the expanding head 200 moves, it can drive the extension rod 433 to move through the pushing column 427. When the extension rod 433 moves, it can drive the sealing plug 436 at the end to slide inside the fixed cylinder 431. When the sealing plug 436 slides, it can transport the external air to the interior of the fixed cylinder 431 through the sealing hole 435 and the air inlet hole 434. When the extension rod 433 moves to the designated position, the motor 421 works to drive the rotating seat 422 to rotate. When the rotating seat 422 rotates, it can drive the rotating groove 423 and the guiding groove 424 to rotate. When the guiding groove 424 rotates, it can drive the end sealing plug 436 to rotate. When the sealing plug 436 rotates to the side of the sealing hole 435, the sealing plug 436 will be squeezed into the sealing hole 435 for sealing. After the sealing hole 435 is sealed, the guiding groove 424 will continue to rotate to push the guiding block 426 and the rotating ring 425 to rotate. When the rotating ring 425 rotates, it can drive the expanding head 200 to rotate through the fixed cylinder 431, the extension rod 433, and the pushing column 427. Since the extension rod 433 can support the expanding head 200 after the sealing hole 435 is sealed, the expanding head 200 can stably regularize the expansion of the end of the steel pipe. Sealing plugs 436 are provided at both ends of the guiding groove 424. Thus, the forward and reverse rotations of the motor 421 can drive the sealing plug 436 to seal the sealing hole 435, thereby increasing the regularization effect of the expanding head 200 on the expansion of the end of the steel pipe.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A variant punch for flaring the end of a pipe, comprising: Moving seat (100), an expanding head (200) for expanding the end of a pipe is provided at the end of the moving seat (100), a driving mechanism (300) for driving the expanding head (200) to move vertically and horizontally is installed on the moving seat (100), and the moving seat (100) is connected to the expanding head (200) through a rotating mechanism (400). Characterized in that; The driving mechanism (300) includes a vertical moving component (310) and a horizontal moving component (320) for the vertical and horizontal movement of the expanding head (200), and a driving component (330) for the operation of the vertical moving component (310) and the horizontal moving component (320); The vertical moving component (310) and the horizontal moving component (320) are respectively installed on the moving seat (100), and the driving component (330) is installed on both the vertical moving component (310) and the horizontal moving component (320); The rotating mechanism (400) includes a rotating component (420) for the rotation of the expanding head (200), an installation component (410) for the installation of the rotating component (420), and a telescopic component (430) for the lifting of the expanding head (200); The installation component (410) is installed on the driving component (330), the rotating component (420) is installed on the installation component (410), and the telescopic component (430) is installed on the rotating component (420).

2. A variant punch for flaring the end of a pipe according to claim 1, characterized in that: The vertical moving component (310) includes a vertical internal thread slider (313) and a first limiting block (314) for the vertical movement of the moving seat (100), and a vertical moving groove (311), a first limiting groove (312) for the installation of the vertical internal thread slider (313) and the first limiting block (314), and a first bidirectional threaded rod (315) for the movement of the vertical internal thread slider (313) and the first limiting block (314); A vertical moving groove (311) is vertically opened at the top of the moving seat (100), and two first limiting grooves (312) are horizontally opened on the front and rear inner walls of the vertical moving groove (311); A vertical internal thread slider (313) is movably connected inside the vertical moving groove (311), and two first limiting blocks (314) are fixedly installed on the surface of the vertical internal thread slider (313) close to the first limiting groove (312); The inside of the vertical internal thread slider (313) is threadedly connected to a first bidirectional threaded rod (315) through a threaded groove.

3. The variant punch for flaring the end of a pipe according to claim 2, characterized in that: The horizontal moving component (320) includes a horizontal internal thread slider (323) and a second limiting block (324) for the vertical movement of the moving seat (100), and a horizontal moving groove (321), a second limiting groove (322) for the installation of the horizontal internal thread slider (323) and the second limiting block (324), and a second bidirectional threaded rod (325) for the movement of the horizontal internal thread slider (323) and the second limiting block (324); A lateral movement groove (321) is horizontally opened on the side of the moving seat (100), and two second limiting grooves (322) are vertically opened before and after on the inner wall of the lateral movement groove (321); A laterally internally threaded slider (323) is movably connected inside the lateral movement groove (321), and two second limiting blocks (324) are fixedly installed on the surface of the laterally internally threaded slider (323) close to the second limiting groove (322); A second bidirectional threaded rod (325) is threadedly connected inside the laterally internally threaded slider (323) through a threaded groove.

4. A variant punch for flaring the end of a pipe according to claim 3, characterized in that: The driving assembly (330) includes a connecting plate (331) for installing the first bidirectional threaded rod (315) and the second bidirectional threaded rod (325), and a driven gear (332) for rotating the first bidirectional threaded rod (315) and the second bidirectional threaded rod (325); Connecting plates (331) are installed at both ends of the first bidirectional threaded rod (315) and the second bidirectional threaded rod (325), and a driven gear (332) is fixedly installed at the top of the first bidirectional threaded rod (315) and the right end of the second bidirectional threaded rod (325).

5. A variant punch for flaring the end of a pipe according to claim 4, characterized in that: The driving assembly (330) further includes a driving gear (334) for rotating the driven gear (332), and a rotating shaft (333) for installing the driving gear (334); A rotating shaft (333) is rotatably installed through the center position of the connecting plate (331) close to the driven gear (332), and a driving gear (334) matched with the driven gear (332) is fixedly installed at one end of the rotating shaft (333); A driving member is installed at the other end of the rotating shaft (333).

6. A variant punch for flaring the end of a pipe according to claim 4, characterized in that: The installation assembly (410) includes an installation frame (413) for installing the rotating assembly (420), a fixing rod (411) for fixing the installation frame (413), and a groove (412) for installing the installation frame (413) and the fixing rod (411); A fixing rod (411) is fixedly installed on the side of the connecting plate (331) close to the lateral movement assembly (320), and the other end of the fixing rod (411) is rotatably connected to the end of the rotating shaft (333); An installation frame (413) is fixedly installed at the center of the fixing rod (411), and a groove (412) matched with the fixing rod (411) and the installation frame (413) is opened on the moving seat (100).

7. A variant punch for flaring the end of a pipe according to claim 6, characterized in that: The rotating assembly (420) includes a motor (421) for providing the rotational driving force of the expanding head (200), a rotating seat (422) for rotating the telescopic assembly (430), and a rotating ring (425) for fixing the telescopic assembly (430); A motor (421) is fixedly installed on the installation frame (413), and a rotating seat (422) is fixedly installed at the output end of the motor (421); A rotating ring (425) is sleeved on the outer surface of the rotating seat (422).

8. A variant punch for flaring the end of a pipe according to claim 7, wherein: The rotating assembly (420) further includes a rotating groove (423) for assembling the rotating ring (425), a guiding groove (424) and a guiding block (426) for driving the rotation of the rotating ring (425), and a pushing column (427) for pushing the expansion head (200) to rotate; Two rotating grooves (423) that cooperate with the rotating ring (425) are symmetrically formed on the surface of the rotating base (422), and at least two guiding grooves (424) are formed inside each rotating groove (423) in an annular array; A guiding block (426) that cooperates with the guiding groove (424) is fixedly installed on the inner wall of the rotating ring (425), and a pushing column (427) is fixedly installed at the output end of the telescopic assembly (430); One end of the pushing column (427) is fixedly installed on the expansion head (200).

9. A variant punch for flaring the end of a pipe according to claim 8, characterized in that: The rotating assembly (420) further includes a slider (428) and a sliding groove (429) for guiding the expansion head (200), a rotating plate (4210) and a rotating groove (4213) for limiting the expansion head (200), and a sliding rail (4211) and a track groove (4212) for limiting the rotating plate (4210); A rotating groove (4213) is formed at the front end of the expansion head (200), and a track groove (4212) is formed inside the rotating groove (4213); A sliding rail (4211) is slidably connected inside the track groove (4212), and a rotating plate (4210) is fixedly installed on the sliding rail (4211); A sliding groove (429) is formed on the rotating plate (4210), and a slider (428) is movably connected inside the sliding groove (429); The slider (428) is fixedly installed at the other end of the pushing column (427).

10. A variant punch for flaring the end of a pipe according to claim 9, characterized in that: The telescopic assembly (430) includes a fixed cylinder (431) and an extension rod (433) for pushing the expansion head (200) to rotate, a piston (432) for sucking external gas into the fixed cylinder (431), an air inlet hole (434), a sealing hole (435), and a sealing plug (436) for sealing the sealing hole (435); At least two fixed cylinders (431) are fixedly installed on the outer surface of the rotating ring (425) near the guiding block (426) in an annular array, and the top end of the fixed cylinder (431) is movably connected with an extension rod (433); The end of the extension rod (433) is fixedly installed with a piston (432), and the piston (432) is movably connected inside the fixed cylinder (431); An air inlet hole (434) is formed through the surface of the rotating ring (425) near the end of the fixed cylinder (431), and one end of the air inlet hole (434) is formed inside the guiding block (426); A sealing hole (435) is formed through the side surface of the guiding block (426) near the air inlet hole (434), and sealing plugs (436) are fixedly installed at both ends of the inner wall of the guiding groove (424) near the sealing hole (435); The length of the sealing plug (436) is greater than the length of the sealing hole (435).

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