Electric pipe cutter

Abstract

The invention provides an electric pipe cutting machine which comprises an electric control bottom plate assembly, a control panel assembly, a clamping assembly and a rotary cutting assembly, an electric control element is arranged in the electric control bottom plate assembly, a control button is integrated on the control panel assembly, and the clamping assembly and the rotary cutting assembly are controlled by the electric control bottom plate assembly and the control panel assembly. And clamping and cutting motion can be automatically carried out. The control panel assembly, the clamping assembly and the rotary cutting assembly are integrated on the electric control bottom plate assembly, the mechanism is compact, the manufacturing cost is reduced, and the occupied space is saved. And one-key operation and servo control are adopted, so that automatic cutting is realized, and the cutting efficiency is improved. The cutter wheel rotates for cutting, and no cuttings are generated. And fixed-torque clamping is achieved, compatibility with pipes of different sizes is achieved, and universality is high. The pipe cutting length can be measured, the cutting position can be accurately positioned, and pipe waste is avoided.

Description

Technical Field

[0001] The invention relates to the field of steel pipe cutting, and in particular to an electric pipe cutting machine. Background Art

[0002] There are two main types of steel pipe cutting: hot cutting and cold cutting. Hot cutting, which includes laser cutting and plasma cutting, is expensive, making it difficult to implement in factories. Cold cutting, which includes sawing, lathe cutting, and pipe cutters, requires more space and requires the use of cutting fluid, which not only generates chips but also requires cleaning. Pipe cutters are compact, portable, and chip-free, but they offer lower cutting efficiency. Summary of the Invention

[0003] The purpose of the present invention is to provide a fast, efficient and chip-free pipe cutting machine, which solves the technical problems of the existing pipe cutting equipment pointed out in the background art, such as high cost, large space, low efficiency and chip generation.

[0004] To achieve the above-mentioned object, the present invention provides an electric pipe cutting machine, comprising an electric control base plate assembly, the electric control base plate assembly comprising an electric control base plate and a PLC, a servo drive, a switching power supply, a first stepper drive, and a second stepper drive arranged on the electric control base plate; a control panel assembly, fixed to the front side of the electric control base plate assembly, comprising a panel and control buttons integrated on the panel; a clamping assembly, arranged on the electric control base plate assembly, comprising a servo motor, a screw and clamping blocks symmetrically arranged at both ends of the screw, the servo motor drives the screw to rotate so that the clamping blocks move toward or away from each other synchronously; a peeling assembly, wherein an adjacent clamping assembly is arranged on the electric control base plate assembly, comprising a rotatable rotor assembly and a cutting assembly arranged therein, the rotor assembly being driven to rotate by an adjacent power assembly, the cutting assembly being provided with a cutter wheel and a cutter wheel bearing, the cutter wheel and the cutter wheel bearing being able to move toward or away from each other while the rotor assembly rotates.

[0005] Furthermore, the output shaft of the servo motor is connected to a reducer, the reducer is connected to a first lower synchronous wheel, and the first lower synchronous wheel drives a screw connected to the first upper synchronous wheel to rotate through a first synchronous belt.

[0006] Furthermore, the clamping assembly also includes a first slide rail arranged on the base plate of the clamping assembly; a first slider slidingly engaged with the first slide rail, and the clamping block is fixed to the first slider; a screw nut fixed to the end of the clamping block and engaged with the screw thread; and a seat bearing arranged at both ends of the screw.

[0007] Furthermore, the first slide rail is connected to a slide groove fixed on the bottom plate of the clamping assembly, and limiting blocks for limiting the first sliding block are provided at both ends of the slide groove.

[0008] Furthermore, the first slider of the clamping assembly and the first slide rail form a linear guide mechanism, the two ends of the screw are provided with threads with opposite rotation directions, and the screw nut cooperates with the screw thread segment to realize the synchronous toward or away movement of the clamping block.

[0009] Furthermore, the peeling assembly also includes a front vertical plate and a rear vertical plate fixed on the small base plate; a slide rail cover plate spanning the front vertical plate and the rear vertical plate, on which a brush assembly and a Hall switch are fixed; and a roller assembly arranged on the slide rail cover plate, which is used to circumferentially constrain the rotor assembly and limit its axial and radial movement.

[0010] Furthermore, the rotor assembly includes a circular guide rail, the front side of which is provided with a baffle and a connecting plate with a second slide rail; the back side is fixed with a gear, a magnet and an annular conductive assembly consisting of an insulating ring and a copper ring.

[0011] Furthermore, the roller assembly includes a track roller, inside of which a first bearing is provided.

[0012] Furthermore, the cutting assembly also includes a sliding cutting base plate, on which a first stepper motor and a cutter wheel nut are fixed; the first stepper motor drives the screw to rotate through the second lower synchronous wheel, the second synchronous belt, and the second upper synchronous wheel; the screw is spirally matched with the bearing fixing seat to drive the cutter wheel bearing fixed to the bearing fixing seat to move axially.

[0013] Furthermore, the cutter wheel is fixed on a cutter wheel fixing seat, the cutter wheel fixing seat is floatingly connected to a cutter wheel screw, and the cutter wheel screw is threadedly connected to a cutter wheel nut.

[0014] Furthermore, a front bearing group and a rear bearing group are respectively provided at both ends of the screw, and the second upper synchronous wheel is fixed between the two bearing groups.

[0015] Furthermore, the power assembly includes a second stepper motor, an output shaft of which is connected to the power shaft, and the gear on the power shaft engages with the gear of the rotor assembly through a transition gear assembly.

[0016] Furthermore, the transition gear assembly includes a gear mounted on the transition shaft, and both ends of the transition shaft are supported by second bearings.

[0017] Furthermore, it also includes a measuring assembly, which includes a third slide rail with a scale, a third slider slidingly matched with the third slide rail, and a measuring baffle provided on the third slider.

[0018] Furthermore, a hand tightening screw is connected to the third slide block, and a slide block stopper is provided at the tail of the third slide rail.

[0019] Compared to existing technologies, this invention integrates the control panel, clamping, and rotary cutting components into the electronic control baseplate assembly, resulting in a compact structure, reduced manufacturing costs, and space savings. One-touch operation and servo control enable automated cutting, improving cutting efficiency. The cutter wheel rotates to cut without generating chips. Constant-torque clamping allows for compatibility with pipes of varying sizes, ensuring high versatility. The pipe cutting length can be measured, enabling precise positioning of the cutting position to avoid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the overall structure of a preferred embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure of a preferred embodiment of the present invention, wherein the rotor cover plate is not shown;

[0022] Figure 3 This is an exploded schematic diagram of a preferred embodiment of the present invention, showing the structure of each component;

[0023] Figure 4 A top view of the electric control base plate assembly of the present invention;

[0024] Figure 5 Schematic diagram of the exploded view of the electric control base plate assembly of the present invention;

[0025] Figure 6 is an exploded schematic diagram of the control panel assembly of the present invention;

[0026] Figure 7 It is a schematic diagram of the overall structure of the clamping assembly of the present invention;

[0027] Figure 8 is an exploded schematic diagram of the clamping assembly of the present invention;

[0028] Figure 9 This is a front view of the rotary cutting assembly of the present invention;

[0029] Figure 10 It is a left side view of the rotary cutting assembly of the present invention;

[0030] Figure 11 It is a rear view of the rotary cutting assembly of the present invention;

[0031] Figure 12 Schematic diagram of the exploded view of the rotary cutting assembly of the present invention;

[0032] Figure 13 is a front view of the rotor assembly of the present invention;

[0033] Figure 14 is a rear view of the rotor assembly of the present invention;

[0034] Figure 15is an exploded schematic diagram of the rotor assembly of the present invention;

[0035] Figure 16 is a cross-sectional view of the cutting assembly of the present invention;

[0036] Figure 17 A cross-sectional view of the roller assembly of the present invention;

[0037] Figure 18 is a cross-sectional view of the transition gear assembly of the present invention;

[0038] Figure 19 An exploded schematic diagram of the power assembly of the present invention;

[0039] Figure 20 is an exploded schematic diagram of the measurement assembly of the present invention;

[0040] In the figure, 100, electric control base plate assembly; 110, electric control base plate; 112, foot pad; 114, screw; 116, connecting screw; 118, fixing screw; 120, back plate; 122, cooling fan; 124, PLC; 126, socket; 128, panel connection block; 130, left side plate; 132, servo drive; 140, right side plate; 142, switching power supply; 144, protective cover; 150, small cover; 152, motor support plate; 154, first stepper drive; 156, second stepper drive; 158, large cover; 200, control panel assembly; 210, panel; 212, start / stop button; 214, release button; 216, emergency stop button; 300, clamping assembly; 310, clamping Component base plate; 312, slideway; 314, first slide rail; 316, first slider; 318, limit block; 320, lead screw; 322, clamping block; 324, seat bearing; 326, lead screw nut; 328, sleeve; 330, first shaft ring; 332, reducer fixing plate; 334, reducer; 336, servo motor; 338, first lower synchronous pulley; 340, first upper synchronous pulley; 342, first synchronous belt; 344, viewing window; 400, peeling assembly; 410, small base plate; 412, front vertical plate; 414, brush assembly; 416, Hall switch; 418, rear vertical plate; 420, slide rail cover; 422, rotor cover; 424, stop bar; 430, rotor assembly; 431, circular guide rail; 432. Large gear; 433. Magnet; 434. Insulating ring; 435. Copper ring; 436. Second slide rail; 437. Second slider; 438. Connecting plate; 439. Baffle; 440. Cutting assembly; 441. Circlip; 442. Cutter wheel screw; 443. Cutter wheel nut; 444. Cutter wheel fixing seat; 445. Cutter wheel; 446. Guide rail pressing piece; 447. Cutter wheel bearing; 448. Bearing fixing seat; 449. Screw; 450. Front bearing assembly; 451. Second upper synchronous pulley; 452. Rear bearing assembly; 453. Sliding cutting base; 454. Second synchronous belt; 455. Second lower synchronous pulley; 456. Motor mounting seat; 457. First stepper motor; 460. Roller assembly; 461. Track roller; 462. First bearing; 463. Adjusting ring; 464. Bearing stop pin; 465. Bearing cover; 470. Transition gear assembly; 471. Transition gear; 472. Transition shaft; 473. Second bearing; 474. Second shaft ring; 480. Power assembly; 481. Second stepper motor; 482. Power shaft; 483. Pinion; 484. Locking nut; 485. Third bearing; 486. Flat key; 487. Connecting screw; 488. Set screw; 489. Locking screw; 500. Measuring assembly; 510. Third slide rail; 512. Measuring baffle; 514. Third slider; 516. Tightening screw; 518. Slider stop; 520. Scale groove; 522. Pin; 524. Fastening screw. DETAILED DESCRIPTION

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in a variety of different configurations.

[0042] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0044] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship commonly placed when the invention is used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0045] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0046] Some embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0047] like Figure 1-3As shown, the electric pipe cutter according to the present invention includes an electric control base plate assembly 100, a control panel assembly 200, a clamping assembly 300, and a peeling assembly 400. The control panel assembly 200 is disposed on the front side of the electric control base plate assembly 100, the clamping assembly 300 is disposed on the upper end of the electric control base plate assembly 100, and the peeling assembly 400 is disposed adjacent to the clamping assembly 300 on the electric control base plate assembly 100. The rotation axis of the peeling assembly 400 is perpendicular to the clamping axis of the clamping assembly 300. The electric control base plate assembly 100 is provided with an electronic control component, and the control panel assembly 200 is provided with a control button electrically connected to the electronic control component. The clamping assembly 300 is provided with a clamping block 322, which can perform axial clamping and loosening movements under the control of the electronic control component within the electric control base plate assembly 100. The peeling assembly 400 includes a rotor assembly 430, which can rotate 360 ​​degrees under the control of the electronic control components installed in the electronic control base plate assembly 100. The rotor assembly 430 includes a cutting assembly 440, which includes a cutter wheel 445 and a cutter wheel bearing 447. During the rotation of the rotor assembly 300, the cutter wheel 445 and the cutter wheel bearing 447 simultaneously move toward or away from each other, performing cutting operations synchronously.

[0048] Specifically, the electric control base plate assembly 100 includes an electric control base plate 110 and electric control components arranged on the electric control base plate 110. Figure 4-5 The electronic control components include a PLC (Programmable Logic Controller) 124, a servo driver 132, a switching power supply 142, a first stepper driver 154, and a second stepper driver 156. The PLC 124 is located at the right rear of the electronic control base plate 110 and controls the logic of each driver. The switching power supply 142 provides power to the electronic control components. The servo driver 132 and the switching power supply 142 are located on the left and right sides, respectively. The first stepper driver 154 and the second stepper driver 156 are located between the servo driver 132 and the switching power supply 142. The electronic control base plate 110 is also provided with a rear plate 120, a left plate 130, and a right plate 140. The left plate 130 and the right plate 140 are respectively fixed to the left and right ends of the electronic control base plate 110 by screws 114. The rear plate 120 is fixed to the rear end of the electronic control base plate 110 by a panel connection block 128. Panel connection blocks 128 are secured to the front and rear edges of the electrical control base plate 110 via fixing screws 118. The rear plate 120 is secured to the panel connection blocks 128 via connecting screws 116. The rear plate 120 is equipped with a cooling fan 122 and a socket 126. A small cover 150 is secured to the upper ends of the left side plate 130 and rear plate 120, while a large cover 158 is secured to the upper ends of the right side plate 140 and rear plate 120. Foot pads 112 are located at the four corners of the electrical control base plate 110 and are threaded onto the underside of the base plate 110 to ensure the overall balance of the electrical control base plate assembly 100.

[0049] The control panel assembly 200 includes a panel 210. Figure 6 The panel 210 is fixed to the panel connection block 128 located on the front side of the electric control base plate 110 by connecting screws 116. The panel 210 is integrated with control buttons, which include a start / stop button 212, a clamp release button 214 and an emergency stop button 216. Each control button is connected to the PLC 124 respectively.

[0050] The clamping assembly 300 includes a servo motor 336, a screw rod 320, and clamping blocks 322 symmetrically arranged at both ends of the screw rod 320. Figure 7-8 As shown. The servo motor 336 is mounted on the reducer 334, and the reducer 334 is fixed to the reducer fixing plate 332 by screws. The reducer fixing plate 332 is fixed below the clamping assembly base plate 310. The screw rod 320 and the clamping block 322 are arranged on the clamping assembly base plate 310. The first slide rail 314 is arranged parallel to the inner side of the screw rod 320. The first slider 316 is arranged at both ends of the first slide rail 314. The first slider 316 can slide on the first slide rail 314. The clamping block 322 is fixed to the first slider 316 by screws. The first slide rail 314 is fixed to the slide groove 312 by screws, and the bottom of the slide groove 312 is fixed to the clamping assembly base plate 310. Limit blocks 318 are also provided at both ends of the slide groove 312. The limit blocks 318 are used to limit the stroke of the first slider 316 to prevent the first slider 316 from detaching from the first slide rail 314. A screw nut 326 is provided on the clamping block 322. Screw nut 326 is screwed to the end surface of the clamping block 322 and is threadedly connected to the screw 320. Screw nut 326 has a left-handed thread on one end and a right-handed thread on the other end. Screw 320 also has a first collar 330 and a seated bearing 324 at each end. The first collar 330 is located between the screw nut 326 and the seated bearing 324. The first collar 330 provides axial positioning and prevents the screw nut 326 from loosening.

[0051] A first lower synchronous wheel 338 is installed on the output shaft of the reducer 334. The first lower synchronous wheel 338 is transmitted to the first upper synchronous wheel 340 through a first synchronous belt 342. The first upper synchronous wheel 340 is fixed to the end of the screw rod 320 by means of a flat key pin. A sleeve 328 is also provided in the seat bearing 324 adjacent to the first upper synchronous wheel 340. The sleeve 328 can prevent the screw rod 320 from directly rubbing against the inner ring of the bearing in the seat bearing 324.

[0052] The clamping assembly 300 is integrally mounted on the electronic control base plate assembly 100. The clamping assembly base plate 310 is flush with the small cover plate 150 and the large cover plate 158, and is fixedly connected to the left side plate 130 and the face plate 210, respectively. A protective cover 144 is also provided on the small cover plate 150, and the first upper synchronous pulley 340 is located within the protective cover 144, ensuring safer operation. The electronic control base plate assembly 100 also includes a motor support plate 152. The bottom of the motor support plate 152 is fixed to the electronic control base plate 110 and positioned below the servo motor 336. The motor support plate 152 supports the servo motor 336.

[0053] The servo motor 336 is electrically connected to the servo driver 132. The servo motor 336 drives the reducer 334 to rotate. The reducer 334 transmits power to the first lower synchronous pulley 338, which is then synchronized to the first upper synchronous pulley 340 via the first synchronous belt 342, ultimately transmitting torque to the lead screw 320. The lead screw 320 is helically engaged with the lead screw nut 326. The lead screw 320 rotates leftward at one end and rightward at the other. The rotation of the lead screw 320 drives the lead screw nut 326 to move linearly. The lead screw nut 326 is fixed to the clamping block 322, which is linked to the first slider 316. The rotation of the lead screw 320 causes the clamping block 322 to move toward or away from each other simultaneously. Furthermore, a viewing window 344 can be provided on the clamping assembly base plate 310, through which the screen parameters of the servo driver 132 can be observed for real-time monitoring.

[0054] The peeling assembly 400 includes a rotatable rotor assembly 430 and a cutting assembly 440 disposed inside the rotor assembly 430. Figure 9-12 . The rotor assembly 430 is circular and is arranged in the slide rail cover 420. A U-shaped opening is provided at the upper end of the slide rail cover 420, and a front vertical plate 412 and a rear vertical plate 418 are provided on the front and rear sides respectively. The bottoms of the front vertical plate 412 and the rear vertical plate 418 are fixed to the small base plate 410 by connecting screws. The slide rail cover 420 is arranged between the front vertical plate 412 and the rear vertical plate 418 and fixed by screws. A brush assembly 414 is also provided between the slide rail cover 420 and the front vertical plate 412, and a Hall switch 416 is provided on the brush assembly 414. Six groups of roller assemblies 460 are provided on the rear side of the slide rail cover 420 around the circumference of the rotor assembly 430. The roller assembly 460 keeps the rotor assembly 430 in the slide rail cover 420. A power assembly 480 is mounted on the rear vertical plate 418. One end of the power assembly 480 passes through a connection hole in the rear vertical plate 418 and meshes with a transition gear assembly 470 disposed below the slide rail cover 420. A stop bar 424 is connected to the bottom of the slide rail cover 420 and confines the transition gear assembly 470 to the slide rail cover 420.

[0055] See attached Figure 13-15The rotor assembly 430 includes a circular guide rail 431. The circular guide rail 431 is circular and has a U-shaped opening at its upper end. A baffle 439 and a connecting plate 438 are fixed to the front of the circular guide rail 431. The baffle 439 is located on both sides of the U-shaped groove, and the connecting plate 438 is located below the baffle 439. A second slide rail 436 is fixed above the connecting plate 438. A second slider 437 is provided on the second slide rail 436. The second slider 437 slides in cooperation with the second slide rail 436. A large gear 432 is fixed to the reverse side of the circular guide rail 431. The large gear 432 has a U-shaped opening that is consistent with the shape of the circular guide rail 431. A magnet 433 and an annular conductive component consisting of an insulating ring 434 and a copper ring 435 are provided on the back side of the large gear 432. The insulating ring 434 and the copper ring 435 form a brush to continuously power the first stepper motor 457 in the rotor assembly 430. The Hall switch 416 locates the zero point through the magnet 433. The rotor assembly 430 may also be provided with a rotor cover 422, see the attached Figure 1 The rotor cover plate 422 can isolate the rotor assembly 430 as a whole, making the operation safer.

[0056] The cutting assembly 440 is arranged on the second slide 437, see the attached Figure 16 The cutting assembly 440 includes a sliding cutting base plate 453, a cutter wheel nut 443, and a first stepper motor 457. The cutter wheel nut 443 is fixed to the upper end of the sliding cutting base plate 453. The first stepper motor 457 is fixed to the bottom of the sliding cutting base plate 453 via a motor mounting bracket 456. The second lower synchronous pulley 455 is connected to the output shaft of the first stepper motor 547. The second lower synchronous pulley 455 is connected to the second upper synchronous pulley 451 provided on the sliding cutting base plate 453 via a second synchronous belt 454. The second upper synchronous pulley 451 is looped around a screw 449. The front end of the screw 449 is threadedly connected to a bearing fixing seat 448. A cutter wheel bearing 447 is provided on the bearing fixing seat 448 on the side facing the cutter wheel 445. The first stepper motor 457 is electrically connected to the first stepper driver 154. The first stepper motor 457 drives the screw 449 to rotate via the second lower synchronous pulley 455, the second synchronous belt 454, and the second upper synchronous pulley 451. The screw 449 then drives the cutter wheel bearing 447, which is fixed to the bearing holder 448, to move axially. The screw 449 is also provided with a front bearing assembly 450 and a rear bearing assembly 452, which are located on either side of the second upper synchronous pulley 451.

[0057] The cutter wheel 445 is secured to the cutter wheel holder 444 via a bearing retaining pin. The cutter wheel holder 444 is connected to the floating structure of the cutter wheel screw 442. The cutter wheel screw 442 is threaded into the cutter wheel nut 443, with one end extending out of the cutter wheel nut 443. A guide rail pressure plate 446 is provided on the sliding cutting base 453. This guide rail pressure plate 446 and the sliding cutting base 453 form a sliding groove within which the cutter wheel holder 444 slides. Manual rotation of the cutter wheel screw 442 moves the cutter wheel 445 toward or away from the cutter wheel bearing 447. The outer circumference of the cutter wheel screw 442 is marked with graduated lines ranging from 1 / 4" to 1". When the cutter wheel screw 442 is manually rotated and the scale lines align with the end face of the cutter wheel nut 443, the value corresponding to the scale line represents the outer diameter of the cut pipe. A retaining spring 441 is further provided at the end of the cutter wheel screw 442 , and the retaining spring 441 can prevent the cutter wheel screw 442 from being completely immersed in the cutter wheel nut 443 .

[0058] See attached Figure 17 The roller assembly 460 includes a track roller 461. A V-shaped groove is provided on the outer circumference of the track roller 461, and a mounting hole is provided on the right side. A first bearing 462 is installed in the mounting hole. A bearing cover 465 is fixed to the right end surface of the track roller 461, which axially fixes the first bearing 462 in the mounting hole of the track roller 461. A bearing stop pin 464 is provided in the first bearing 462, and an adjustment ring 463 is mounted on the bearing stop pin 464. The adjustment ring 463 fixes the inner ring of the first bearing 462. The roller assembly 460 is fixed to the circular groove on the rear side of the slide rail cover 420 via the bearing stop pin 464. The V-shaped groove of the track roller 461 engages with the circular guide rail 431 in the rotor assembly 430.

[0059] See attached Figure 18 The transition gear assembly 470 includes a transition gear 471 mounted on a transition shaft 472. Second bearings 473 are provided on both sides of the transition gear 471. A second shaft ring 474 is provided between the second bearing 473 and the transition gear 471. The transition gear assembly 470 is provided with two groups, left and right. The power assembly 480 is engaged with the gears of the transition gear assembly 470. For details, see the attached Figure 19. The power assembly 480 includes a second stepper motor 481 and a power shaft 482. The right end of the power shaft 482 is connected to the output shaft of the second stepper motor 481 through a set screw 488. The left end of the power shaft 482 is equipped with a pinion 483, and the pinion 483 is connected to the power shaft 482 through a flat key 486. The left end of the pinion 483 is adjacent to the locking nut 484, and the locking nut 484 is threadedly engaged with the power shaft 482 to axially fix the pinion 483. A locking screw 489 is provided on the locking nut 484 to prevent the locking nut 484 from loosening. A third bearing 485 is installed at the leftmost end of the power shaft 482. The second stepper motor 481 is fixed to the rear vertical plate 418 by a connecting screw 487. The second stepper motor 481 is electrically connected to the second stepper driver 156. The transition gear 471 meshes with the pinion 483 downward and meshes with the large gear 432 upward. The second stepper driver 156 controls the second stepper motor 481 to rotate. The power output by the second stepper motor 481 is transmitted to the small gear 483 and finally transmitted to the large gear 432 through the transition gear 471. The large gear 432 drives the rotor assembly 430 to rotate in the slide rail cover 420.

[0060] Furthermore, the present invention also includes a measuring assembly 500, which is vertically arranged on the other side of the peeling assembly 400. The measuring assembly 500 includes a third slide rail 510 and a third slider 514. Figure 20 The third slider 514 is mounted on the third slide rail 510 and can slide relative to the third slide rail 510. A scale is provided on the side of the third slide rail 510, and a scale groove 520 is provided on the lower end of the third slider 514. The value indicated by the scale groove 520 aligning with the scale line on the third slide rail 510 is the length of the cut pipe. A measuring baffle 512 is provided on the upper end of the third slider 514, and the measuring baffle 512 is connected to the third slider 514 via a pin 522. For example, to cut a 100mm section of pipe, slide the third slider 514 until the scale groove 520 aligns with the 100 scale line on the third slide rail 510. Turn the hand-tightening screw 516 to lock the third slider 514, lift the measuring baffle 512 upward, and the end of the pipe abuts the measuring baffle 512 to start cutting. The cut pipe length is 100mm. To prevent the measurement baffle 512 from shaking, the third slider 514 is further provided with fastening screws 524 at both ends, located above the pin 522. When measurement is not required, the fastening screws 524 can be loosened to fold the measurement baffle 512 parallel to the third slide rail 510. A slider stopper 518 is secured to the rear end of the third slide rail 510 to prevent the third slider 514 from sliding. A hand screw 516 is threadedly connected to the third slider 514, the bottom of which contacts the third slide rail 510 to lock the third slider 514.

[0061] The operating principle of the present invention is as follows: the cutting assembly 440 and the measuring assembly 500 are adjusted according to the outer diameter and length of the pipe to be cut, and the scale is adjusted to the desired value. The electric pipe cutter is powered on and the release button 214 is pressed. The servo motor 336 in the clamping assembly 300 receives the command and drives the reducer 334 to operate. The reducer 334 drives the first lower synchronous wheel 338 and the first upper synchronous wheel 340 to rotate. The first upper synchronous wheel 340 drives the screw rod 320 to rotate. The rotation of the screw rod 320 causes the clamping blocks 322 to move toward each other, clamping the pipe. The second stepper motor 481 in the power assembly 480 in the peeling assembly 400 is driven by the second stepper driver 156, driving the pinion 483 to rotate. The pinion 483 transmits power to the rotor assembly 430 via the transition gear assembly 470, driving the rotor assembly 430 to rotate. The first stepper motor 457 in the cutting assembly 440 within the rotor assembly 430 is driven by the first stepper driver 154, rotating the second lower synchronous wheel 455 and the second upper synchronous wheel 451. The second upper synchronous wheel 451 then rotates the screw 449, which pushes the cutter wheel bearing 447 toward the cutter wheel 445, thereby cutting the pipe at a constant speed. After cutting is complete, the peeling assembly 400 stops, the clamping assembly 300 releases the pipe, and the cutting is complete. If an unexpected event occurs during the cutting process, press the emergency stop button 216, disconnect the power supply, check for the fault, and repeat the above steps once the fault is resolved.

[0062] The above describes the basic principles and advantages of the present invention. For those skilled in the art, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the above embodiments, after reading this specification, those skilled in the art can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. Any obvious replacement is within the scope of protection of the present invention without departing from the concept of the present invention.

Claims

1. An electric pipe cutting machine, characterized in that: include: An electric control baseboard assembly (100) includes an electric control baseboard (110) and a PLC (124), a servo driver (132), a switching power supply (142), a first stepper driver (154), and a second stepper driver (156) arranged on the electric control baseboard (110); A control panel assembly (200) is fixed to the front side of the electric control base assembly (100), comprising a panel (210) and control buttons integrated on the panel (210); A clamping assembly (300) is arranged on the electric control base plate assembly (100), comprising a servo motor (336), a screw rod (320), and clamping blocks (322) symmetrically arranged at both ends of the screw rod (320), wherein the servo motor (336) drives the screw rod (320) to rotate, causing the clamping blocks (322) to move synchronously toward or away from each other; The rotary cutting assembly (400) and the adjacent clamping assembly (300) are arranged on the electric control base plate assembly (100), and include a rotatable rotor assembly (430) and a cutting assembly (440) arranged therein. The rotor assembly (430) is driven to rotate by an adjacent power assembly (480). A cutter wheel (445) and a cutter wheel bearing (447) are arranged in the cutting assembly (440). The cutter wheel (445) and the cutter wheel bearing (447) can move toward or away from each other while the rotor assembly (300) rotates.

2. The electric pipe cutting machine according to claim 1, characterized in that: The output shaft of the servo motor (336) is connected to a reducer (334), the reducer (334) is connected to a first lower synchronous wheel (338), and the first lower synchronous wheel (338) drives a screw rod (320) connected to a first upper synchronous wheel (340) to rotate through a first synchronous belt (342).

3. The electric pipe cutting machine according to claim 2, characterized in that: The clamping assembly (300) further includes: A first slide rail (314) disposed on the clamping assembly base plate (310); a first sliding block (316) slidably engaged with the first sliding rail (314), the clamping block (322) being fixed to the first sliding block (316); a screw nut (326) fixed to the end of the clamping block (322) and threadedly engaged with the screw (320); and seated bearings (324) arranged at both ends of the screw rod (320).

4. The electric pipe cutting machine according to claim 3, characterized in that: The first slide rail (314) is connected to a slide groove (312) fixed on the clamping assembly base plate (310), and limit blocks (318) for limiting the first sliding block (316) are provided at both ends of the slide groove (312).

5. The electric pipe cutting machine according to claim 4, characterized in that: The first slider (316) and the first slide rail (314) form a linear guide mechanism, and the two ends of the screw rod (320) are provided with threads with opposite rotation directions. The screw nut (326) cooperates with the screw rod (320) thread to realize the synchronous movement of the clamping block (322) in the opposite directions or opposite directions.

6. The electric pipe cutting machine according to claim 1, characterized in that: The rotary cutting assembly (400) further comprises: A front vertical plate (412) and a rear vertical plate (418) fixed on the small base plate (410); A slide rail cover (420) straddling the front vertical plate (412) and the rear vertical plate (418) and having a brush assembly (414) and a Hall switch (416) fixed thereon; The roller assembly (460) arranged on the slide rail cover plate (420) is used to circumferentially constrain the rotor assembly (430) and limit its axial and radial movement.

7. The electric pipe cutting machine according to claim 6, characterized in that: The rotor assembly (430) includes: A circular guide rail (431) having a baffle (439) and a connecting plate (438) with a second slide rail (436) on its front side; A large gear (432), a magnet (433) and an annular conductive component consisting of an insulating ring (434) and a copper ring (435) are fixed on the reverse side.

8. The electric pipe cutting machine according to claim 7, characterized in that: The roller assembly (460) includes a track roller (461) with a first bearing (462) disposed therein.

9. The electric pipe cutting machine according to claim 1, characterized in that: The cutting assembly (440) further comprises: A sliding cutting base plate (453) on which a first stepper motor (457) and a cutter wheel nut (443) are fixed; The first stepper motor (457) drives the screw (449) to rotate through the second lower synchronous wheel (455), the second synchronous belt (454), and the second upper synchronous wheel (451); The screw (449) is spirally matched with the bearing fixing seat (448) to drive the cutter wheel bearing (447) fixed to the bearing fixing seat (448) to move axially.

10. The electric pipe cutting machine according to claim 9, characterized in that: The cutter wheel (445) is fixed on the cutter wheel fixing seat (444), the cutter wheel fixing seat (444) is floatingly connected to the cutter wheel screw (442), and the cutter wheel screw (442) is threadedly connected in the cutter wheel nut (443).

11. The electric pipe cutting machine according to claim 10, characterized in that: The two ends of the screw rod (449) are respectively provided with a front bearing group (450) and a rear bearing group (452), and the second upper synchronous wheel (451) is fixed between the two bearing groups.

12. The electric pipe cutting machine according to claim 1, characterized in that: The power assembly (480) includes a second stepper motor (481), the output shaft of which is connected to a power shaft (482), and a small gear (483) on the power shaft (482) engages with a large gear (432) of the rotor assembly (430) through a transition gear assembly (470).

13. The electric pipe cutting machine according to claim 12, characterized in that: The transition gear assembly (470) includes a transition gear (471) mounted on a transition rotating shaft (472), and both ends of the transition rotating shaft (472) are supported by second bearings (473).

14. An electric pipe cutting machine according to any one of claims 1 to 13, characterized in that: The device also includes a measuring assembly (500), which includes: a third slide rail (510) with a scale, a third slider (514) slidably matched with the third slide rail (510), and a measuring baffle (512) provided on the third slider (514).

15. The electric pipe cutting machine according to claim 14, characterized in that: The third sliding block (514) is connected to a hand tightening screw (516), and the tail of the third sliding rail (510) is provided with a sliding block stopper (518).

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