Groove cutting equipment for small-pipe-diameter pipe

Abstract

The utility model relates to the technical field of pipe cutting, and discloses groove cutting equipment for a small-pipe-diameter pipe. Comprising a side hanging frame, a rear chuck assembly movably hung on the side hanging frame, a supporting base arranged at the front end of the side hanging frame, a front chuck assembly fixedly arranged at the top of the supporting base, a laser cutting assembly arranged on the front end face of the supporting base, and an automatic feeding frame arranged on the upstream of the supporting base and located beside the side hanging frame. And the material receiving frame is arranged on the downstream of the supporting base and located beside the laser cutting assembly. The laser cutting assembly has a multi-axis moving function, and straight cutting and groove cutting operation can be more efficiently carried out. According to the improved automatic feeding frame, the guiding-out inclined shaft and the first material blocking assembly are matched to form an open type material distributing station, the material warehouse pulling and conveying assembly only needs to pull and convey a plurality of pipes to the material distributing station, and a material pushing strip and a material stacking pushing block of the material distributing assembly work cooperatively to precisely screen out a single pipe from the plurality of pipes which are irregularly placed in the material distributing station; and the material blocking condition is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe cutting, and particularly relates to a bevel cutting device for small-diameter pipes. Background Art

[0002] With the rapid development of the manufacturing industry, due to the light weight of small-diameter pipes (pipes with a diameter of 10 mm - 100 mm) and a large amount of cutting tasks, the sales volume of laser cutting devices dedicated to small-diameter pipes is getting better and better. At the same time, new requirements are put forward for the functions of laser cutting devices for small-diameter pipes: 1. It should not only have the function of straight-cutting pipes, but also have the function of bevel cutting; 2. Save labor and be able to automatically load and unload materials in batches, so as to realize one person controlling and managing multiple devices at the same time. Although with the mutual cooperation of an automatic loading rack and a laser pipe cutting machine, the pipes in the material library can be transported to the laser pipe cutting machine one by one in an orderly manner for automatic continuous cutting. However, when using the existing automatic loading rack (such as the automatic loading rack provided by the patent with the publication number CN114955508A) for auxiliary loading, it is particularly easy to have a material jamming situation, which mainly occurs when the pipes are transported to the discharging assembly for arrangement. When a material jamming occurs, the staff needs to stop the machine for debugging to solve the problem, seriously affecting the production rhythm and efficiency of automated production.

[0003] It can be seen that the existing technology still needs to be improved. Summary of the Utility Model

[0004] In view of the above deficiencies of the existing technology, the purpose of the utility model is to provide a bevel cutting device for small-diameter pipes, so as to solve the technical problems of material jamming and shutdown during loading and the lack of bevel cutting function.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] Groove cutting equipment for small-diameter pipe materials, including a side hanging rack, a rear chuck assembly movably hung on the side hanging rack, a support seat arranged at the front end of the side hanging rack, a front chuck assembly fixed on the top of the support seat, a laser cutting assembly arranged on the front end face of the support seat, an automatic feeding rack arranged upstream of the support seat and beside the side hanging rack, and a receiving rack arranged downstream of the support seat and beside the laser cutting assembly. The automatic feeding rack includes at least three groups of spaced-apart rack modules. Each rack module includes a bottom rack, a corner rack arranged on the bottom rack, a material distribution station arranged at the top corner of the corner rack, a first material blocking assembly for intercepting and releasing the pipe materials at the material distribution station, a material distribution assembly for screening out single pipe materials from multiple pipe materials at the material distribution station, and a material library pulling and feeding assembly for serving as a pipe material library and pulling multiple pipe materials to the material distribution station. The corner rack is provided with an inlet inclined bar for guiding the pipe materials to slide into the material distribution station and an outlet inclined shaft for guiding the pipe materials at the material distribution station to slide forward. A pipe material to be fed station is arranged at the tail end of the outlet inclined shaft. The pipe material to be fed station intercepts and releases the pipe materials through a second material blocking assembly. An upper feeding station is arranged downstream of the pipe material to be fed station. The upper feeding station intercepts the sliding pipe materials through a positioning stop block. The material distribution assembly includes a pushing slide plate slidably arranged on the corner rack, a pushing driving mechanism for driving the pushing slide plate to move, a lifting slide plate slidably arranged on the pushing slide plate, a lifting driving mechanism for driving the lifting slide plate to lift, a pushing bar arranged on the end face of the lifting slide plate facing the material distribution station, a stacking pushing block slidably arranged on the lifting slide plate, and a stacking and pushing driving mechanism for driving the stacking pushing block to move. A centering support mechanism is arranged on the side hanging rack. The centering support mechanism is used for transporting the pipe materials at the upper feeding station and lifting the pipe materials to a set height after centering. The laser cutting assembly can not only cut the pipe materials straight but also perform groove cutting on the pipe materials.

[0007] As a further improvement of the above technical solution, the laser cutting assembly includes a hanging rack slidably arranged up and down on the front end face of the support seat, a Y-axis slide seat slidably arranged back and forth on the top of the hanging rack, an X-axis slide seat slidably arranged left and right on the Y-axis slide seat, an A-axis turntable arranged on one side face of the X-axis slide seat, and a laser cutting head arranged on the A-axis turntable through a mounting bracket. The hanging rack moves vertically under the drive of a Z-axis drive mechanism. A Y-axis drive mechanism for driving the Y-axis slide seat to move back and forth is arranged on the hanging rack. The X-axis slide seat moves left and right under the drive of an X-axis drive mechanism.

[0008] As a further improvement of the above technical solution, the Y-axis slide seat is slidably arranged on the top of the hanging rack through a first Y-axis guide rail and a Y-axis slider. The Y-axis drive mechanism includes a first cylinder bracket fixed on the hanging rack, a position-changing cylinder arranged on the first cylinder bracket, and a transmission plate arranged at the bottom of the Y-axis slide seat. The piston rod end of the position-changing cylinder is drivingly connected to the transmission plate.

[0009] As a further improvement of the above technical solution, two Z-axis guide rails are provided on the front end face of the support base, and Z-axis sliders matching the Z-axis guide rails are provided on the hanging rack. The Z-axis driving mechanism includes a Z-axis driving motor fixed on the hanging rack, a first gear arranged on the output end of the Z-axis driving motor, and a Z-axis rack vertically fixed on the front end face of the support base. The first gear is in meshing transmission with the Z-axis rack.

[0010] As a further improvement of the above technical solution, two X-axis guide rails are provided on the Y-axis sliding seat, and X-axis sliders matching the X-axis guide rails are provided on the bottom surface of the X-axis sliding seat. The X-axis driving mechanism includes an X-axis driving motor fixed on the X-axis sliding seat, a second gear arranged on the output end of the X-axis driving motor, and an X-axis rack extending left and right on the Y-axis sliding seat. The second gear is in meshing transmission with the X-axis rack.

[0011] As a further improvement of the above technical solution, a first guide rail with the same slope as the export inclined shaft is provided on the back surface of the material pushing slide plate, and a first slider slidably connected to the first guide rail is fixed on the side surface of the angle bracket. The material pushing driving mechanism includes a rack arranged on the material pushing slide plate and parallel to the first guide rail, a first rotating shaft rotatably arranged on the angle bracket, and a gear sleeved on the first rotating shaft. The gear is in meshing transmission with the rack.

[0012] As a further improvement of the above technical solution, a second guide rail perpendicular to the export inclined shaft is provided on the back surface of the lifting slide plate, and a second slider slidably connected to the second guide rail is fixed on the material pushing slide plate. The lifting driving mechanism includes a second cylinder bracket arranged on the material pushing slide plate and a first cylinder arranged on the second cylinder bracket. The end of the piston rod of the first cylinder is drivingly connected to the lifting slide plate.

[0013] As a further improvement of the above technical solution, a limiting block is provided at the bottom of the lifting slide plate, and a limiting screw facing the bottom surface of the material pushing slide plate is threadedly connected to the limiting block. A scale extending along the lifting direction of the lifting slide plate is provided on the material pushing slide plate, and a reading tip cooperating with the scale is provided on the lifting slide plate.

[0014] As a further improvement of the above technical solution, a third guide rail with the same slope as the export inclined shaft is provided on the back surface of the stacking material pushing block, and a third slider slidably connected to the third guide rail is fixed on the lifting slide plate. The stacking and pushing driving mechanism includes a second cylinder. The cylinder body part of the second cylinder is hinged to the lifting slide plate, and the end of the piston rod of the second cylinder is connected to the third guide rail through an adapter block.

[0015] As a further improvement of the above technical solution, a transition arc surface and transition pulleys located on both sides of the transition arc surface are provided at the top of the guiding inclined bar; a material storage area is formed upstream of the corner bracket, and the material storage pulling and feeding assembly includes a pulling belt, a second rotating shaft rotatably connected to the bottom frame, a winding wheel sleeved on the second rotating shaft, and a transition wheel rotatably connected to the corner bracket. One end of the pulling belt is fixed to the bottom frame. After winding around the transition wheel, the other end of the pulling belt is connected to the winding wheel. The winding wheel can wind the pulling belt to lift the pipes in the material storage area upward, so that a part of the pipes flow into the material distribution station.

[0016] Advantages of the present utility model: Compared with the prior art, the bevel cutting equipment provided by the present invention has a compact structure and is specifically used for batch continuous feeding and cutting of small-diameter pipes. One worker can simultaneously control and manage multiple bevel cutting devices, greatly reducing the manpower requirement and lowering the labor intensity. The laser cutting assembly has a multi-axis movement function and can perform straight cutting and bevel cutting operations more efficiently. The automatic feeding rack is mainly improved so that the cooperation between the guiding inclined shaft and the first material blocking assembly forms an open material distribution station. The material storage pulling and feeding assembly only needs to pull multiple pipes to the material distribution station. The pushing bar and the stacking pushing block of the material distribution assembly work together to accurately screen out single pipes from the multiple irregularly placed pipes in the material distribution station, and the excess pipes fall back into the material storage area, fundamentally solving the problem of material jamming caused by the need to regularly arrange pipes in the traditional pipe feeding rack, ensuring the smooth process from pipe feeding to cutting, and having high production efficiency. Description of the Drawings

[0017] Figure 1 is a three-dimensional view of the bevel cutting equipment for small-diameter pipes provided by the present utility model Figure 1 。

[0018] Figure 2 is a three-dimensional view of the bevel cutting equipment for small-diameter pipes provided by the present utility model Figure 2 。

[0019] Figure 3 is a three-dimensional view of the laser cutting assembly Figure 1 。

[0020] Figure 4 is a three-dimensional view of the laser cutting assembly Figure 2 。

[0021] Figure 5 is a three-dimensional view of the laser cutting assembly Figure 3 。

[0022] Figure 6 is a three-dimensional view of the laser cutting assembly after hiding the dust-proof cover plate and the side enclosure plate.

[0023] Figure 7 is a three-dimensional view of the automatic feeding rack Figure 1 。

[0024] Figure 8 For the three-dimensional view of the automatic loading rack Figure 2 。

[0025] Figure 9 It is a three-dimensional view of a rack module of the automatic loading rack.

[0026] Figure 10 It is a structural schematic diagram of the material distribution component Figure 1 。

[0027] Figure 11 It is a structural schematic diagram of the material distribution component Figure 2 。

[0028] Description of main component symbols: 1 - Side hanger, 2 - Rear chuck assembly, 31 - Support base, 32 - Front chuck assembly, 4 - Laser cutting assembly, 41 - Hanger, 413 - Z-axis guide rail, 414 - Z-axis slider, 415 - First Y-axis guide rail, 416 - Y-axis slider, 417 - X-axis guide rail, 418 - X-axis slider, 42 - Y-axis slide base, 43 - Y-axis drive mechanism, 431 - First cylinder bracket, 432 - Position-changing cylinder, 433 - Transmission plate, 44 - X-axis slide base, 45 - X-axis drive mechanism, 46 - A-axis turntable, 471 - Laser cutting head, 472 - Mounting bracket, 48 - Z-axis drive mechanism, 481 - Z-axis drive motor, 482 - First gear, 483 - Z-axis rack, 491 - Dust-proof cover plate, 492 - Side enclosure plate, 5 - Automatic loading rack, 51 - Rack module, 511 - Bottom frame, 512 - Corner bracket, 513 - Material separation station, 514 - Inlet inclined bar, 515 - Outlet inclined shaft, 516 - Transition arc surface, 517 - Transition pulley, 52 - First material blocking assembly, 521 - Third cylinder, 522 - First flipping material blocking bar, 53 - Material separation assembly, 531 - Pushing slide plate, 532 - Pushing drive mechanism, 5321 - Pushing rack, 5322 - First rotating shaft, 5323 - Pushing gear, 5324 - First synchronizing shaft, 5325 - First reduction motor, 533 - Lifting slide plate, 534 - Lifting drive mechanism, 5341 - Second cylinder bracket, 5342 - First cylinder, 5343 - Limit block, 5344 - Limit screw, 5345 - Scale, 5346 - Reading tip, 535 - Pushing bar, 536 - Stacking pushing block, 537 - Stacking pushing drive mechanism, 5371 - Second cylinder, 5372 - Adapter block, 5381 - First guide rail, 5382 - First slider, 5383 - Second guide rail, 5384 - Second slider, 5385 - Third guide rail, 5386 - Third slider, 54 - Material storage pulling assembly, 541 - Material storage area, 542 - Pulling belt, 543 - Second rotating shaft, 544 - Winding wheel, 545 - Transition wheel, 546 - Second synchronizing shaft, 547 - Second reduction motor, 55 - Second material blocking assembly, 551 - Second flipping material blocking bar, 552 - Fourth cylinder, 553 - Material to be fed station, 561 - First inductor, 562 - Second inductor, 581 - Positioning block, 582 - Loading station, 6 - Receiving rack, 7 - Centering support mechanism, 8 - Reducing wheel support mechanism, 91 - Second Y-axis guide rail, 92 - Y-axis rack. Detailed implementation

[0029] The present utility model provides a bevel cutting device for small-diameter pipe materials. To make the purpose, technical solution and effects of the present utility model clearer and more definite, the following further elaborates on the present utility model with reference to the accompanying drawings and by way of examples. It should be understood that the specific examples described herein are only used to explain the present utility model and are not used to limit the protection scope of the present utility model.

[0030] Please refer to Figures 1 - 11 , the utility model provides a bevel cutting device for small-diameter pipes, including a side hanging frame 411, a rear chuck assembly 2 movably hung on the side hanging frame 411, a support seat 31 arranged at the front end of the side hanging frame 411, a front chuck assembly 32 fixedly arranged on the top of the support seat 31, a laser cutting assembly 4 arranged on the front end face of the support seat 31, an automatic loading rack 5 arranged upstream of the support seat 31 and beside the side hanging frame 411, and a receiving rack 6 arranged downstream of the support seat 31 and beside the laser cutting assembly 4. The automatic loading rack 5 includes at least three groups of spaced-apart rack modules 51. Each rack module 51 includes a bottom frame 511, a corner frame 512 arranged on the bottom frame 511, a material distribution station 513 arranged at the top corner of the corner frame 512, a first material blocking assembly 52 for intercepting and releasing the pipes at the material distribution station 513, a material distribution assembly 53 for screening out single pipes from multiple pipes at the material distribution station 513, and a material library pulling and feeding assembly 54 for serving as a pipe material library and pulling multiple pipes to the material distribution station 513. The corner frame 512 is provided with a guiding inclined bar 514 for guiding the pipes to slide into the material distribution station 513 and a guiding inclined shaft 515 for guiding the pipes at the material distribution station 513 to slide forward. A pipe-to-be-fed station 553 is arranged at the tail end of the guiding inclined shaft 515. The pipe-to-be-fed station 553 intercepts and releases the pipes through a second material blocking assembly 55. An unloading station 582 is arranged downstream of the pipe-to-be-fed station 553. The unloading station 582 intercepts the sliding pipes through a positioning stop block 581. The material distribution assembly 53 includes a pushing slide plate 531 slidably arranged on the corner frame 512, a pushing driving mechanism 532 for driving the pushing slide plate 531 to move, a lifting slide plate 533 slidably arranged on the pushing slide plate 531, a lifting driving mechanism 534 for driving the lifting slide plate 533 to lift and lower, a pushing bar 535 arranged on the end face of the lifting slide plate 533 facing the material distribution station 513, a stacking pushing block 536 slidably arranged on the lifting slide plate 533, and a pushing and stacking driving mechanism 537 for driving the stacking pushing block 536 to move; A centering support mechanism 7 is arranged on the side hanging frame 411. The centering support mechanism 7 is used to transport the pipes at the unloading station 582, and lift the pipes to a set height after centering; The laser cutting assembly 4 can not only cut the pipes straight, but also perform bevel cutting on the pipes.

[0031] Taking the example of three groups of rack modules 51, the staff stores a certain number of small-diameter pipes (round pipes or square pipes) in the material storage area 541 of the material storage pulling assembly 54. The pull belt 542 of the material storage pulling assembly 54 of the leftmost rack module 51 supports the pipe, the pull belt 542 of the material storage pulling assembly 54 of the middle rack module 51 supports the middle part of the pipe, and the pull belt 542 of the material storage pulling assembly 54 of the rightmost rack module 51 supports the right end part of the pipe. With the support of the three contact points, the pipe can be ensured to be straight and the middle part of the pipe will not sink. When the pull belt 542 is wound, the pull belt 542 will drive the pipes in the material storage area 541 to rise, and under the guidance of the inlet bevel bar 514, multiple pipes will flow into the material distribution station 513 and fall onto the outlet bevel shaft 515, and these pipes are temporarily stored on the material distribution station 513 under the interception of the first material blocking assembly 52. ​​It can be understood that at this time, the pipes on the material distribution station 513 are irregularly arranged front and back and stacked together up and down under the action of gravity.

[0032] Then the material dividing assembly 53 screens the part of the pipes. Specifically, the material dividing assembly 53 is located downstream of the material dividing station 513, and the lifting drive mechanism 534 drives the lifting slide 533 to rise, so that the pushing strip 535 and the stacking pushing block 536 are higher than the output inclined shaft 515. Then the pushing drive mechanism 532 pushes the pushing slide 531 toward the material dividing station 513, so that the pushing strip 535 drives the multiple pipes to move backward, and then pushes the pipes arranged at the back away from the output inclined shaft. The shaft 515 falls back into the material storage area 541, and the pipe in the front (i.e., close to the pushing bar 535) remains on the dividing station 513, and then the stacking drive mechanism 537 drives the stacking push block 536 to extend backward. If there is stacking at the dividing station 513 at this time, the stacking push block 536 will push the stacked pipes on it into the material storage area 541. Therefore, after screening by the dividing assembly 53, only one pipe to be processed is left at the dividing station 513.

[0033] The lifting drive mechanism 534 drives the lifting slide 533 to descend and reset. As the pushing bar 535 and the stacking pushing block 536 descend and withdraw, the pipe to be processed will move downward along the smooth lead-out inclined axis 515 to the first blocking assembly 52 under the action of gravity, and then the first blocking assembly 52 releases the pipe. The pipe slides forward to the feeding station 553 and is intercepted by the second blocking assembly 55. When the laser pipe cutting machine is ready for loading and processing, the second blocking assembly 55 will release the pipe, allowing the pipe to continue to slide forward to the loading station 582.

[0034] The centering support mechanism 7 centers and positions the pipe at the loading station 582 and lifts the pipe to be coaxial with the front chuck assembly 32 and the rear chuck assembly 2. The pipe is clamped by the front chuck assembly 32 and the rear chuck assembly 2, and the rear chuck assembly 2 pushes the pipe forward towards the laser cutting assembly 4 to achieve cutting feed. The laser cutting assembly 4 emits laser downward to perform straight cutting or bevel cutting on the pipe fitting. The cut pipe segment is received by the material receiving rack 6 and slides into the finished product storage tray to achieve unloading.

[0035] The bevel cutting equipment provided by the present invention has a compact structure and is specifically used for cutting small-diameter pipes in batch continuous feeding. One worker can simultaneously control and manage multiple bevel cutting equipments, greatly reducing the manpower requirement and lowering the labor intensity. The laser cutting assembly 4 has a multi-axis moving function and can perform straight cutting and bevel cutting operations more efficiently. The automatic loading rack 5 is mainly improved so that the cooperation between the export inclined shaft 515 and the first material blocking assembly 52 forms an open-type material distribution station 513. The material storage and feeding assembly 54 only needs to pull multiple pipes to the material distribution station 513. The push bar 535 and the stacking push block 536 of the material distribution assembly 53 work together to accurately screen out single pipes from the multiple irregularly arranged pipes in the material distribution station 513, and the redundant pipes fall back into the material storage area 541, fundamentally solving the material jamming problem caused by the need to regularly arrange pipes in the traditional pipe loading rack, ensuring the smooth process from pipe loading to cutting, and having high production efficiency.

[0036] In this embodiment, the laser cutting assembly 4 includes a hanging rack 41 slidably arranged up and down on the front end face of the support seat 31, a Y-axis slide seat 42 slidably arranged back and forth on the top of the hanging rack 41, an X-axis slide seat 44 slidably arranged left and right on the Y-axis slide seat 42, an A-axis turntable 46 arranged on one side face of the X-axis slide seat 44, and a laser cutting head 471 arranged on the A-axis turntable 46 through a mounting frame 472. The hanging rack 41 moves vertically under the drive of the Z-axis drive mechanism 48. The hanging rack 41 is provided with a Y-axis drive mechanism 43 for driving the Y-axis slide seat 42 to move back and forth, and the X-axis slide seat 44 moves left and right under the drive of the X-axis drive mechanism 45.

[0037] During normal laser pipe cutting, the fixedly arranged front chuck assembly 32 is located behind the laser cutting assembly 4. The front chuck assembly 32 and the rear chuck assembly 2 jointly drive the pipe to move forward and drive the pipe to rotate. Thus, the laser cutting head 471 emits laser downward to cut the pipe. Under the control of the A-axis turntable 46, the laser cutting head 471 rotates within the range of ±45° to change the cutting angle, enabling the laser cutting head 471 to not only perform straight cutting on the pipe but also perform bevel cutting on the pipe. And combined with the driving of the X-axis driving mechanism 45 and the Z-axis driving mechanism 48, precise positioning and cutting of the laser cutting head 471 in the three-dimensional space are achieved. When there is remaining tail material of the pipe, the A-axis turntable 46 controls the laser cutting head 471 to be vertically downward, and the Y-axis driving mechanism 43 drives the Y-axis slide 42 and the components on the Y-axis slide 42 to move closer to the chuck, and then directly cuts the remaining pipe, thereby reducing the amount of tail material.

[0038] The laser cutting assembly 4 has multi-axis movement functions, greatly improving the flexibility of the pipe cutting machine when processing pipes of various lengths and diameters, and enabling more efficient straight cutting and bevel cutting operations. Especially during short tail material cutting, the laser cutting head 471 on the Y-axis slide 42 moves back and forth through the Y-axis driving mechanism 43, breaking the limitation that the traditional laser cutting mechanism is fixed on the gantry beam, thereby increasing the freedom of the cutting path, enabling the laser cutting assembly 4 to more flexibly adapt to pipes of different lengths and shapes, reducing the generation of tail material, and reducing material waste. In addition, the laser cutting assembly 4 of the bevel cutting machine replaces the traditional gantry beam type cutting mechanism, not only reducing the overall height of the laser pipe cutting machine, simplifying the transportation and installation process of the equipment, but also enabling the front chuck assembly 32 to be fixedly arranged on the support seat 31, enhancing the stability when processing heavy pipes, effectively reducing vibration, and ensuring the cutting accuracy and quality.

[0039] Specifically, the Y-axis slide 42 is slidably arranged on the top of the hanging bracket 41 through the first Y-axis guide rail 415 and the Y-axis slider 416. The Y-axis driving mechanism 43 includes a first cylinder bracket 431 fixed on the hanging bracket 41, a transposition cylinder 432 arranged on the first cylinder bracket 431, and a transmission plate 433 arranged at the bottom of the Y-axis slide 42. The piston rod end of the transposition cylinder 432 is drivingly connected to the transmission plate 433. The telescopic movement of the piston rod of the transposition cylinder 432 can enable the laser cutting head 471 to quickly move and switch between the normal cutting station and the tail material cutting station, with precise positioning, which can significantly improve the working efficiency and processing accuracy.

[0040] Further, two Z-axis guide rails 413 are provided on the front end face of the support base 31. A Z-axis slider 414 is provided on the hanging bracket 41 and is matched with the Z-axis guide rail 413. The Z-axis driving mechanism 48 includes a Z-axis driving motor 481 fixed on the hanging bracket 41, a first gear 482 provided on the output end of the Z-axis driving motor 481, and a Z-axis rack 483 vertically fixed on the front end face of the support base 31. The first gear 482 is in meshing transmission with the Z-axis rack 483. Compared with other transmission methods, the transmission between the first gear 482 and the Z-axis rack 483 at the grinding level realizes high-precision rapid movement and can ensure the cutting quality.

[0041] Two X-axis guide rails 417 are provided on the Y-axis sliding seat 42. An X-axis slider 418 is provided on the bottom surface of the X-axis sliding seat 44 and is matched with the X-axis guide rail 417. The X-axis driving mechanism 45 includes an X-axis driving motor fixed on the X-axis sliding seat 44, a second gear provided on the output end of the X-axis driving motor, and an X-axis rack extending left and right on the Y-axis sliding seat 42. The second gear is in meshing transmission with the X-axis rack. The transmission between the second gear and the X-axis rack at the grinding level ensures that the movement of the laser cutting head 471 in the X-axis direction has extremely high positioning accuracy and ensures the quality of fine cutting and bevel cutting.

[0042] Preferably, dust-proof covers 491 for covering the first Y-axis guide rail 415 are provided on the front and rear sides of the Y-axis sliding seat 42. The dust-proof covers 491 can effectively block dust, chips and other impurities from entering between the first Y-axis guide rail 415 and the slider, reduce the wear of these particles on the guide rail and the slider, avoid movement blockage and accuracy decline caused by foreign object intrusion, and thus improve the reliability and cutting accuracy of the equipment.

[0043] Similarly, side enclosing plates 492 for covering the X-axis guide rail 417 and the X-axis slider 418 are provided on the X-axis sliding seat 44. The side enclosing plates 492 can effectively prevent external dust, chips and other impurities from invading the area of the X-axis guide rail 417 and the X-axis slider 418, reduce the wear and corrosion of these particles on the guide rail and the slider, maintain the smoothness of the guide rail and the normal operation of the slider, and thus improve the reliability and cutting accuracy of the equipment.

[0044] In this embodiment, a variable-diameter wheel support mechanism 8 for supporting the pipe in a follow-up manner is further provided on the side hanging bracket 411. The centering support mechanism 7 and the variable-diameter wheel support mechanism 8 are both prior arts and will not be elaborated here.

[0045] To enable the rear chuck assembly 2 to move smoothly along the Y-axis, a second Y-axis guide rail 91 and a Y-axis rack 92 are provided on the side hanging bracket 411. The rear chuck assembly 2 includes a slide plate, a rear chuck body provided on the slide plate, a Y-axis drive motor provided on the slide plate, and a third gear provided on the output end of the Y-axis drive motor. The third gear meshes with the Y-axis rack 92 for transmission. The back of the slide plate is slidably connected to the second Y-axis guide rail 91 through a second Y-axis slider 416. Driven by the Y-axis drive motor, the rear chuck body on the slide plate can move smoothly horizontally.

[0046] Specifically, a first guide rail 5381 with the same slope as the export inclined shaft 515 is provided on the back of the pusher slide plate 531, and a first slider 5382 slidably connected to the first guide rail 5381 is fixed on the side surface of the angle bracket 512, ensuring the linear movement of the pusher slide plate 531 during the pusher operation, improving the stability and accuracy of the pusher process, and avoiding the deviation of the pipe position caused by the offset of the slide plate.

[0047] Furthermore, the pusher drive mechanism 532 includes a rack provided on the pusher slide plate 531 and parallel to the first guide rail 5381, a first rotating shaft 5322 rotatably provided on the angle bracket 512, and a gear sleeved on the first rotating shaft 5322. The gear meshes with the rack for transmission. By adopting the meshing transmission mode of the rack and the gear, the power of the pusher drive mechanism 532 is efficiently and accurately transmitted to the pusher slide plate 531.

[0048] It can be understood that when the pipe on the material distribution station 513 detaches from the export inclined shaft 515 and crosses over the apex angle of the angle bracket 512, the pipe will slide back into the material storage area 541 again. Therefore, the movement stroke of the pusher slide plate 531 determines the distance between the pusher bar 535 and the apex angle of the angle bracket 512, and the distance between the pusher bar 535 and the apex angle should be determined according to the cross-sectional size of a single pipe. Generally speaking, the distance between the pusher bar 535 and the apex angle should be slightly larger than the width of a single pipe, ensuring the precise separation of the pipes arranged behind during the material distribution process and avoiding the phenomenon of multiple pipes being sent out simultaneously due to improper distance. The movement stroke of the pusher slide plate 531 is controlled by a travel switch assembly. During actual processing, the movement stroke of the pusher slide plate 531 can be adjusted correspondingly according to the type and width of the pipe, ensuring the compatibility of the equipment with various specifications of pipes and improving the applicable range and production flexibility of the automatic pipe loading rack 5.

[0049] The first rotating shafts 5322 of two adjacent rack modules 51 are connected by transmission through the first synchronization shaft 5324, and the first rotating shaft 5322 of one rack module 51 is connected by driving with the first reduction motor 5325. The first rotating shafts 5322 of multiple rack modules 51 can be driven by one first reduction motor 5325, which greatly simplifies the design of the control system, reduces the number of required motors, and ensures the synchronization of all rack modules 51 when performing the pushing action. This high degree of coordination avoids the disorder of pipe transportation caused by asynchrony, and improves the stability and efficiency of the entire loading process.

[0050] Furthermore, a second guide rail 5383 perpendicular to the output inclined axis 515 is provided on the back of the lifting slide 533, and a second slider 5384 slidably connected to the second guide rail 5383 is fixed to the pushing slide 531. The sliding cooperation between the second guide rail 5383 and the second slider 5384 ensures the precise movement of the lifting slide 533 in the vertical direction, avoids tilting or offset, and ensures the stable lifting and lowering of the pushing bar 535 and the stacking pushing block 536, which is conducive to the precise screening of pipes.

[0051] In this embodiment, the lifting drive mechanism 534 includes a second cylinder support 5341 provided on the material pushing slide 531, and a first cylinder 5342 provided on the second cylinder support 5341, and the piston rod end of the first cylinder 5342 is drivingly connected to the lifting slide 533. The piston rod of the first cylinder 5342 is retracted, and can quickly drive the material pushing strip 535 and the stacking material pushing block 536 on the lifting slide 533 to quickly rise or fall, thereby improving the efficiency and control accuracy of the screening pipes and ensuring the smoothness of the production process.

[0052] Specifically, the back of the stacking push block 536 is provided with a third guide rail 5385 having the same slope as the lead-out inclined axis 515, and the lifting slide 533 is fixed with a third slider 5386 slidably connected to the third guide rail 5385. The design that the third guide rail 5385 is consistent with the lead-out inclined axis 515 ensures the linearity and stability of the stacking push block 536 when performing the stacking action, and can accurately push the stacked pipes back to the material storage area 541, avoiding accidental displacement or jamming of the pipes. The stacking drive mechanism 537 includes a second cylinder 5371, the cylinder body of the second cylinder 5371 is hinged to the lifting slide 533, and the piston rod end of the second cylinder 5371 is connected to the third guide rail 5385 through a transfer block 5372, so that the stacking drive mechanism 537 is compact. The piston rod of the second cylinder 5371 is extended and retracted to drive the stacking push block 536 to move back and forth toward the material separation station 513 to push down the stacked pipes, so that the stacked pipes are finally pushed down into the material storage area 541. In order to ensure that the stacked materials are effectively screened and removed, the second cylinder 5371 should drive the stacking push block 536 to move back and forth more than twice.

[0053] In fact, the position of the lifting slide plate 533 at its highest point directly affects the pushing height of the stacking push block 536, which is crucial for whether the stacked pipes can be pushed down. Therefore, a limit block 5343 is provided at the bottom of the lifting slide plate 533. A limit screw 5344 is threadedly connected to the limit block 5343 and is oriented towards the bottom surface of the pushing slide plate 531. A scale 5345 extending along the lifting direction of the lifting slide plate 533 is provided on the pushing slide plate 531, and a reading tip 5346 cooperating with the scale 5345 is provided on the lifting slide plate 533. The cooperation between the limit screw 5344 and the limit block 5343 allows the user to precisely adjust the maximum rising position of the lifting slide plate 533 according to the stacking height of the pipes, ensuring that the stacking push block 536 can effectively push down the stacked pipes, avoiding the failure of pushing due to insufficient height. The combination of the scale 5345 and the reading tip 5346 provides intuitive visual feedback, and the operator can easily read the real-time position of the lifting slide plate 533, simplifying the height adjustment process and improving the operation accuracy and efficiency.

[0054] Preferably, a transition arc surface 516 and transition pulleys 517 located on both sides of the transition arc surface 516 are provided at the top of the guiding inclined bar 514. By providing the transition arc surface 516, it helps the pipes to smoothly transition from the guiding inclined bar 514 to the guiding inclined shaft 515 when flowing into the material distribution station 513, avoiding the jamming or scratching of the pipes caused by sudden angle changes, reducing the collision and friction of the pipes during the guiding process, reducing the risk of surface damage of the pipes, and improving the integrity rate of the pipes. The two side transition pulleys 517 play a guiding role, helping the pipes to maintain the correct direction when entering the material distribution station 513, avoiding the pipes deviating from the track or tipping over, enhancing the stability of the pipes when entering the material distribution station 513. Conversely, it also helps the pipes in the material distribution station 513 to be screened and smoothly fall back into the material storage area 541.

[0055] In this embodiment, a material storage area 541 is formed upstream of the angle bracket 512. The material storage pulling assembly 54 includes a pulling belt 542, a second rotating shaft 543 rotatably connected to the bottom frame 511, a winding wheel 544 sleeved on the second rotating shaft 543, and a transition wheel 545 rotatably connected to the angle bracket 512. One end of the pulling belt 542 is fixed to the bottom frame 511. After winding around the transition wheel 545, the other end of the pulling belt 542 is connected to the winding wheel 544. During feeding, the winding wheel 544 winds the pulling belt 542 to lift the pipes in the material storage area 541 upwards, causing a part of the pipes to flow into the material distribution station 513. The winding action of the winding wheel 544 can be precisely controlled. By adjusting the rotation speed and amplitude of the winding wheel 544, the tension of the pulling belt 542 can be controlled, thereby controlling the conveying speed and quantity of the pipes, improving the automation level and the controllability of the operation.

[0056] Furthermore, the second rotating shafts 543 of two adjacent rack modules 51 are connected by a second synchronous shaft 546, and the second rotating shaft 543 of one rack module 51 is connected by a second reduction motor 547. The second rotating shafts 543 of multiple rack modules 51 can be driven by a second reduction motor 547, which reduces the number of motors required, simplifies the control system, and reduces the manufacturing cost and long-term operation cost of the equipment. The second synchronous shaft 546 ensures that the adjacent rack modules 51 synchronize their movements when winding the pull belt 542, making the pulling process of the pipe in the storage area 541 more stable and coordinated, and avoiding uneven force or jamming of the pipe due to asynchronism.

[0057] Specifically, the first material blocking assembly 52 includes a third cylinder 521 and a first flip baffle 522 pivotally connected to the angle bracket 512, the piston rod end of the third cylinder 521 is connected to the first flip baffle 522, and the cylinder body of the third cylinder 521 is hinged to the angle bracket 512; under normal working conditions, the piston rod of the third cylinder 521 is extended, and the first flip baffle 522 is in a blocking state, preventing the pipe from sliding forward, and when the piston rod of the third cylinder 521 is retracted, the first flip baffle 522 is pulled from the blocking state to the avoidance state, and the action is simple and quick.

[0058] Similarly, the second material blocking assembly 55 includes a fourth cylinder 552 and a second flip baffle 551 pivotally connected to the angle bracket 512, the piston rod end of the fourth cylinder 552 is connected to the second flip baffle 551, and the cylinder body of the fourth cylinder 552 is hinged to the angle bracket 512; under normal working conditions, the piston rod of the fourth cylinder 552 is extended, and the second flip baffle 551 is in a blocking state, preventing the pipe from sliding forward, and when the piston rod of the fourth cylinder 552 is retracted, the second flip baffle 551 is pulled to change from a blocking state to an avoidance state, and the action is simple and quick.

[0059] Preferably, the angle bracket 512 is provided with a first sensor 561 for detecting whether there are pipes at the material distribution station 513 and a second sensor 562 for detecting whether there are pipes at the material feeding station 553. The first sensor 561 and the second sensor 562 are used to automatically detect whether there are pipes at the material distribution station 513 and the material feeding station 553, and feedback signals are sent to the pipe cutting control system, so that the material feeding work can be carried out in an orderly manner intelligently.

[0060] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0061] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, an electrical connection, or a connection capable of mutual communication; it may be a direct connection, or an indirect connection through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0062] It can be understood that for those of ordinary skill in the art, equivalent substitutions or changes can be made according to the technical solution of the present utility model and its inventive concept, and all such changes or substitutions should fall within the protection scope of the present utility model.

Claims

1. Bevel cutting equipment for small diameter pipes, characterized in that: The machine comprises a side hanging frame, a rear chuck assembly movably hung on the side hanging frame, a support seat arranged at the front end of the side hanging frame, a front chuck assembly fixedly arranged on the top of the support seat, a laser cutting assembly arranged on the front end surface of the support seat, an automatic loading rack arranged upstream of the support seat and located beside the side hanging frame, and a material receiving rack arranged downstream of the support seat and located beside the laser cutting assembly, wherein the automatic loading rack comprises at least three groups of rack modules arranged at intervals, each rack module comprises a base frame, an angle frame arranged on the base frame, a material dividing station arranged at the top corner of the angle frame, a first material blocking assembly for intercepting and releasing pipes at the material dividing station, a material dividing assembly for screening multiple pipes at the material dividing station into a single pipe, and a material warehouse pulling assembly for serving as a pipe material warehouse and pulling multiple pipes to the material dividing station, wherein the angle frame is provided with an inlet bevel for guiding the pipes to slide into the material dividing station and a material receiving rack for guiding the pipes at the material dividing station to move to the material dividing station The material distribution assembly comprises a pushing slide plate slidably arranged on the angle frame, a pushing driving mechanism for driving the pushing slide plate to move, a lifting slide plate slidably arranged on the pushing slide plate, a lifting driving mechanism for driving the lifting slide plate to lift, a pushing strip arranged on the end face of the lifting slide plate facing the material distribution station, a stacking pushing block slidably arranged on the lifting slide plate, and a pushing and stacking driving mechanism for driving the stacking pushing block to move; a centering support mechanism is provided on the side hanging frame, and the centering support mechanism is used to transfer the pipe at the loading station and lift the pipe to a set height after centering; the laser cutting assembly can both straighten the pipe and perform bevel cutting on the pipe.

2. The bevel cutting device for small diameter pipes according to claim 1, characterized in that: The laser cutting assembly includes a bracket that can slide up and down on the front end surface of the support seat, a Y-axis slide that can slide forward and backward on the top of the bracket, an X-axis slide that can slide left and right on the Y-axis slide, an A-axis turntable that is arranged on one side of the X-axis slide, and a laser cutting head that is arranged on the A-axis turntable through a mounting frame; the bracket moves vertically under the drive of the Z-axis drive mechanism, and a Y-axis drive mechanism for driving the Y-axis slide to move forward and backward is provided on the bracket, and the X-axis slide moves left and right under the drive of the X-axis drive mechanism.

3. The bevel cutting device for small diameter pipes according to claim 2, characterized in that: The Y-axis slide is slidably set on the top of the bracket through the first Y-axis guide rail and the Y-axis slider. The Y-axis driving mechanism includes a first cylinder bracket fixed on the bracket, a transposition cylinder arranged on the first cylinder bracket, and a transmission plate arranged at the bottom of the Y-axis slide. The piston rod end of the transposition cylinder is drivingly connected to the transmission plate.

4. The bevel cutting device for small diameter pipes according to claim 2, characterized in that: Two Z-axis guide rails are arranged on the front end surface of the support seat, and a Z-axis slider matching the Z-axis guide rails is provided on the bracket. The Z-axis driving mechanism includes a Z-axis driving motor fixed on the bracket, a first gear arranged on the output end of the Z-axis driving motor, and a Z-axis rack vertically fixed on the front end surface of the support seat, and the first gear is meshed with the Z-axis rack for transmission.

5. The bevel cutting device for small diameter pipes according to claim 2, characterized in that: Two X-axis guide rails are arranged on the Y-axis slide, and an X-axis slider matched with the X-axis guide rails is arranged on the bottom surface of the X-axis slide. The X-axis driving mechanism includes an X-axis driving motor fixed on the X-axis slide, a second gear arranged on the output end of the X-axis driving motor, and an X-axis rack extending left and right on the Y-axis slide, and the second gear is meshed with the X-axis rack for transmission.

6. The bevel cutting device for small diameter pipes according to claim 1, characterized in that: The back of the push slide is provided with a first guide rail with the same slope as the lead-out inclined axis, and the side of the angle bracket is fixed with a first slider slidably connected to the first guide rail. The push drive mechanism includes a rack arranged on the push slide and parallel to the first guide rail, a first rotating shaft rotatably arranged on the angle bracket, and a gear sleeved on the first rotating shaft, and the gear is meshed with the rack for transmission.

7. The bevel cutting device for small diameter pipes according to claim 1, characterized in that: A second guide rail perpendicular to the leading inclined axis is provided on the back of the lifting slide, and a second slider slidably connected to the second guide rail is fixed to the pushing slide. The lifting drive mechanism includes a second cylinder bracket arranged on the pushing slide, and a first cylinder arranged on the second cylinder bracket. The piston rod end of the first cylinder is drivingly connected to the lifting slide.

8. The bevel cutting device for small diameter pipes according to claim 7, characterized in that: A limit block is provided at the bottom of the lifting slide, and a limit screw facing the bottom surface of the push slide is threadedly connected to the limit block. The push slide is provided with a ruler extending along the lifting direction of the lifting slide, and the lifting slide is provided with a reading tip used in conjunction with the ruler.

9. The bevel cutting device for small diameter pipes according to claim 1, characterized in that: A third guide rail having the same slope as that of the lead-out inclined axis is provided on the back of the stacking push block, a third slider slidably connected to the third guide rail is fixed on the lifting slide, and the stacking drive mechanism includes a second cylinder, a cylinder body of the second cylinder is hinged to the lifting slide, and an end of a piston rod of the second cylinder is connected to the third guide rail via a transfer block.

10. The bevel cutting device for small diameter pipes according to claim 1, characterized in that: A transition arc surface and transition pulleys are provided on both sides of the transition arc surface at the top of the inlet bevel strip; a material storage area is formed upstream of the angle frame, and the material storage pulling assembly includes a pulling belt, a second rotating shaft rotatably connected to the base frame, a winding wheel mounted on the second rotating shaft, and a transition wheel rotatably connected to the angle frame, one end of the pulling belt is fixed to the base frame and wound around the transition wheel, and the other end of the pulling belt is connected to the winding wheel. The winding wheel can wind up the pulling belt so that the pulling belt lifts up the pipes in the material storage area, allowing a part of the pipes to flow into the material dividing station.

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