Laser cutting equipment for pipe processing

Abstract

The present invention relates to the technical field of pipe processing equipment. The present invention provides a laser cutting device for pipe processing, comprising a loading device, a laser cutting device and a unloading device arranged in sequence, wherein the unloading device comprises a frame, which is arranged at the unloading end of the laser cutting device. A turntable is rotatably connected to the frame, and the turntable can slide horizontally; a clamping rotating roller group is arranged on the turntable; a scraper is lifted and arranged on the turntable, and a scraping blade is provided on the top of the scraper. In the above technical solution, the frame provides an installation reference for the turntable to ensure the stability of its sliding and rotation. The horizontal sliding of the turntable realizes the transfer of the pipe between the cutting device and the unloading device; the clamping and rotation of the clamping rotating roller group provide relative motion for scraping, ensuring that the scraping blade can cover the entire circumference of the inner wall of the pipe; the lifting and lowering of the scraper controls the working state of the scraping blade to avoid interference when not working. The multiple devices work together to directly act on the residual chips through mechanical scraping, solving the problem that the airflow cannot remove deep chips.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of pipe processing equipment, and in particular, to a laser cutting device for pipe processing. Background Art

[0002] In modern industry, pipes, as essential components, are widely used in a variety of industries, including petroleum, chemical, construction, and machinery manufacturing. With the continuous advancement of industrial technology, the demands for pipe processing precision, surface quality, and production efficiency are becoming increasingly stringent. Laser cutting technology, with its significant advantages such as high cutting speed, high precision, and minimal heat-affected zone, has become an indispensable key technology in the pipe processing field.

[0003] Currently, when using laser cutting equipment to cut pipes, a method of introducing gas into the pipe is often used to reduce the adhesion of chips generated during the cutting process to the inner wall of the pipe. This introduced gas not only cools the cutting area, but also uses the impact of the airflow to carry some chips out of the pipe, thereby reducing the amount of chips attached to the pipe to a certain extent.

[0004] However, with this existing treatment method, when the gas flows inside the pipe, the chips near the pipe opening are blown out more thoroughly by the airflow, resulting in a smaller amount of chips adhering to the pipe wall in this area. However, chips that are deeper and close to the cutting point cannot be completely blown out, resulting in a large amount of chips adhering to the pipe wall near the cutting point. These residual chips not only affect the surface finish of the pipe wall, resulting in poor surface quality, but may also fall off during subsequent use, seriously affecting the performance and service life of the pipe. Summary of the Invention

[0005] To overcome the above-mentioned defects, an embodiment of the present invention provides a laser cutting device for pipe processing, which solves the technical problem in the prior art that when using laser cutting equipment to cut pipes, although gas is introduced into the inside of the pipe to reduce the amount of chips adhering to the inner wall of the pipe, it is still impossible to completely avoid the chips adhering to the inside of the pipe, thereby resulting in poor surface quality of the inner wall of the pipe.

[0006] According to one aspect, at least one embodiment of the present invention provides a laser cutting device for pipe processing, comprising a loading device, a laser cutting device, and a unloading device arranged in sequence, wherein the unloading device comprises:

[0007] A frame, the frame being arranged at the unloading end of the laser cutting device, the frame being rotatably connected to a turntable, the turntable being able to slide horizontally to move closer to or away from the laser cutting device;

[0008] A clamping rotating roller group is provided on the turntable and is used to clamp the wall of the cut pipe and drive the cut pipe to rotate around its own axis;

[0009] The scraper is lifted and lowered on the turntable, and the top of the scraper is provided with a scraping blade, which can abut against the inner wall of the pipe when the scraper is lifted, so as to scrape off the chips attached to the inner wall of the pipe when the pipe rotates.

[0010] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, the clamping rotating roller group includes:

[0011] Support rollers, two of which are rotatably arranged on the turntable, the two support rollers being symmetrically located on both sides of the central axis of the turntable. The two support rollers can penetrate into the pipe to be cut under the sliding drive of the turntable and can be supported on the inner circumferential wall of the pipe after the pipe is cut and dropped. The scraper is located between the two support rollers;

[0012] The driving roller is swingably arranged on the turntable. The driving roller can swing vertically to press against the outer wall of the pipe to cooperate with the two supporting rollers to clamp the cut pipe and drive the pipe to rotate.

[0013] For example, at least one embodiment of the present invention provides a laser cutting device for pipe processing, further comprising:

[0014] There are two swing rods, both of which are connected to the turntable in a horizontal swing manner, and the two swing rods are symmetrically distributed on both sides of the driving roller;

[0015] The pull-back wheel is rotatably connected to the swing rod. The pull-back wheel can abut against the outer peripheral wall of the cut pipe under the swing drive of the swing rod, and rotate to drive the pipe to move axially to approach the turntable.

[0016] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, a sliding member capable of sliding radially along the turntable is provided on the turntable, and two support rollers are symmetrically arranged on the sliding member. The two support rollers can retract into the turntable under the sliding drive of the sliding member to allow the pipe to fall off the support rollers. The turntable is also provided with a driving mechanism for driving the sliding member to slide radially along the turntable.

[0017] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, the turntable has a mounting portion, the mounting portion is provided with a clamping rod that can swing vertically, the clamping rod is swingably connected to a mounting frame for mounting the drive roller, and an elastic member is provided between the mounting frame and the clamping rod, and the elastic member is used to elastically pull the mounting frame upward so that the drive roller fits and presses against the outer peripheral wall of the pipe.

[0018] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, two first sliders are slidably connected to the sliding member, and the two first sliders are respectively arranged near the two ends of the sliding member. A first rocker is hinged between the scraper and the two first sliders. A plurality of guide cylinders are provided on the bottom surface of the scraper, and a plurality of guide rods slidably engaged with the guide cylinders are provided on the top surface of the sliding member.

[0019] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, both sides of the scraper are provided with collection grooves, and the collection grooves are used to collect chips scraped off the inner wall of the pipe by the scraping blade.

[0020] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, the turntable is provided with a slag suction piece mounted above the scraping blade, the opening of the slag suction piece is facing the collection groove, and the scraper can pass through the slag suction piece under the sliding drive of the sliding piece, so as to absorb the chips in the collection groove through the slag suction piece.

[0021] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, a lifting drive member is provided on the frame, and the lifting drive member can slide horizontally relative to the frame to approach or move away from the laser cutting device. The turntable is rotatably connected to the lifting end of the lifting drive member, and gear teeth are provided at the bottom of the turntable. The lifting end of the lifting drive member is rotatably connected to a second drive gear that meshes with the gear teeth, and the second drive gear is used to rotate and drive the turntable to rotate.

[0022] For example, in a laser cutting device for pipe processing provided by at least one embodiment of the present invention, the clamping rotating roller groups and the scrapers are both provided in a plurality and in one-to-one correspondence, and the plurality of clamping rotating roller groups and the scrapers are arranged along the circumference of the turntable.

[0023] The beneficial effects of the embodiments of the present invention are:

[0024] In the present invention, a frame provides a mounting base for the turntable. The turntable is rotatably connected to the frame and can slide horizontally, allowing the turntable to drive the clamping rotating roller group and scraper to move closer to or away from the laser cutting device, facilitating the receiving of the cut pipe and its removal from the cutting area. The clamping rotating roller group is mounted on the turntable and can clamp the pipe and drive it to rotate around its own axis, providing power for scraping off the chips from the inner wall of the pipe. The scraper is raised and lowered on the turntable. The scraping blade at its top can abut against the inner wall of the pipe during the rise, and combined with the rotation of the pipe, it can scrape off the chips from the inner wall of the pipe. The horizontal sliding of the turntable cooperates with the clamping of the clamping rotating roller group to ensure that the position of the pipe is stable during the chip scraping process. The clamping rotating roller group drives the pipe to rotate and cooperates with the scraping blade of the scraper to abut against the inner wall of the pipe, allowing the scraping blade to scrape along the inner circumference of the pipe and completely remove the attached chips. The multiple parts work together to directly act on the residual chips through mechanical scraping, solving the problem that the airflow cannot remove deep chips. The movement of the turntable ensures that the pipe is in an appropriate position, the rotation of the clamping rotating roller group ensures comprehensive scraping, and the lifting and lowering of the scraper achieves precise abutment, which together improve the quality of the inner wall of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly describes the drawings required for describing the embodiments of the present invention. Obviously, the drawings described below are merely exemplary embodiments of the present invention. Those skilled in the art can, without inventive effort, derive other drawings based on the contents of the exemplary embodiments of the present invention and these drawings.

[0026] Figure 1 This is a schematic diagram of the overall structure of a laser cutting device for pipe processing in one embodiment of the present invention;

[0027] Figure 2 for Figure 1 A structural front view of the blanking device in the embodiment;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 for Figure 1 A schematic structural diagram of a blanking device in an embodiment of the present invention;

[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0031] Figure 6 for Figure 1 A schematic diagram of the cross-sectional internal structure of the blanking device in the embodiment;

[0032] Figure 7 for Figure 6Enlarged view of point C in the middle;

[0033] Figure 8 for Figure 1 A second angle structural diagram of the blanking device in an embodiment.

[0034] In the figure: 91, feeding device, 92, laser cutting device, 93, unloading device, 1, frame, 2, turntable, 3, clamping and rotating roller group, 4, pipe, 5, scraper, 51, scraping blade, 31, support roller, 32, driving roller, 6, swing rod, 61, pull-back wheel, 33, sliding member, 22, mounting portion, 321, clamping rod, 322, mounting frame, 323, elastic member, 52, first slider, 53, first swing rod, 55, guide cylinder, 333, guide rod, 56, collecting trough, 57, slag suction member, 23, lifting drive member, 24, gear teeth, 25, second drive gear. DETAILED DESCRIPTION

[0035] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0036] To simplify the drawings, only the parts relevant to the disclosure are schematically shown in each figure; they do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically shown or labeled. In this document, "one" not only means "only one" but also "more than one," and "several" includes "two" and "more than two."

[0037] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in the present invention based on the specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0039] In the description of this embodiment, the terms "up", "down", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of description and simplification of operation, 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, it should not be understood as a limitation on the present invention.

[0040] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0041] like Figures 1 to 8 As shown, it shows a laser cutting device for pipe processing in an embodiment of the present invention, including a loading device 91, a laser cutting device 92 and a unloading device 93 arranged in sequence, the unloading device 93 includes a frame 1, the frame 1 is arranged at the unloading end of the laser cutting device 92, and a turntable 2 is rotatably connected to the frame 1, and the turntable 2 can slide horizontally to approach or move away from the laser cutting device 92; a clamping rotating roller group 3 is arranged on the turntable 2, for clamping the pipe wall of the cut pipe 4 and driving the cut pipe 4 to rotate around its own axis; a scraper 5 is raised and lowered on the turntable 2, and a scraping blade 51 is provided on the top of the scraper 5, and the scraping blade 51 can abut against the inner wall of the pipe 4 under the upward drive of the scraper 5, so as to scrape off the chips attached to the inner wall of the pipe 4 when the pipe 4 rotates.

[0042] When the laser cutting device 92 cuts the tube 4, the turntable 2 on the frame 1 slides horizontally to approach the unloading end of the laser cutting device 92, so that the end of the tube 4 being cut enters the clamping range of the clamping rotating roller group 3. The clamping rotating roller group 3 moves to clamp the tube wall of the cut tube 4, and then the turntable 2 slides horizontally away from the laser cutting device 92, sliding the cut tube 4 away from the laser cutting device 92. The scraper 5 rises, and the scraping blade 51 at its top moves upward and abuts against the inner wall of the tube 4. The clamping rotating roller group 3 drives the cut tube 4 to rotate around its own axis. During the rotation of the tube 4, the scraping blade 51 abutting against the inner wall of the tube 4 scrapes the inner wall of the tube 4, scraping off the chips attached to the inner wall of the tube 4. After scraping is completed, the scraper 5 descends to separate the scraping blade 51 from the inner wall of the pipe 4, the clamping and rotating roller group 3 releases the clamping of the pipe 4, the turntable 2 rotates to adjust the unloading angle of the pipe 4, and then the cut pipe 4 is removed from the clamping and rotating roller group 3 to complete the unloading.

[0043] The advantage is that the frame 1 provides a mounting base for the turntable 2, and the turntable 2 is rotatably connected to the frame 1 and can slide horizontally, so that the turntable 2 can drive the clamping rotating roller group 3 and the scraper 5 to move closer to or away from the laser cutting device 92, so as to facilitate receiving the cut pipe 4 and moving it out of the cutting area. The clamping rotating roller group 3 is arranged on the turntable 2, which can clamp the pipe 4 and drive the pipe 4 to rotate around its own axis, providing power for scraping off the chips from the inner wall of the pipe 4. The scraper 5 is raised and lowered on the turntable 2, and the scraping blade 51 on its top can abut against the inner wall of the pipe 4 when it rises, and combined with the rotation of the pipe 4, the chips from the inner wall of the pipe 4 can be scraped off. The horizontal sliding motion of the turntable 2, combined with the gripping action of the clamping roller assembly 3, ensures that the pipe 4 remains in a stable position during chip removal. The clamping roller assembly 3 drives the pipe 4 in rotation, cooperating with the scraping blade 51 of the scraper 5 against the inner wall of the pipe 4. This allows the scraping blade 51 to scrape along the entire circumference of the inner wall of the pipe 4, thoroughly removing any attached chips. These structures work together to mechanically remove chip residue, improve the surface quality of the inner wall of the pipe 4, and ensure the performance and service life of the pipe 4.

[0044] In some specific examples, the clamping rotating roller group 3 includes two support rollers 31, which are rotatably arranged on the turntable 2. The two support rollers 31 are symmetrically located on both sides of the central axis of the turntable 2. The two support rollers 31 can penetrate into the pipe 4 to be cut under the sliding drive of the turntable 2, and can be supported on the inner wall of the pipe 4 after the pipe 4 is cut and falls off. The scraper 5 is located between the two support rollers 31; the driving roller 32 is swingably arranged on the turntable 2, and the driving roller 32 can swing vertically to press against the outer wall of the pipe 4 to cooperate with the two support rollers 31 to clamp the cut pipe 4 and drive the pipe 4 to rotate.

[0045] Specifically, when the laser cutting device 92 cuts the tube 4, the turntable 2 slides horizontally toward the laser cutting device 92. The two support rollers 31 follow the turntable 2 and penetrate the interior of the tube 4. At this point, the axes of the two support rollers 31 are lower than the axis of the tube 4 until the tube 4 is cut and supported on the inner wall of the tube 4. The height difference between the axes of the cut and uncut tube 4 does not affect the rotation of the tube 4 by the turntable 2. The drive roller 32 then swings vertically, its outer surface pressing against the outer wall of the tube 4, forming a three-point clamp with the two support rollers 31. The clamping roller assembly 3 is activated, and the drive roller 32 rotates, driving the tube 4 around its own axis through friction. The scraper 5 then rises, causing the scraping blade 51 to contact the inner wall of the tube 4, scraping off chips as the tube 4 rotates. After cutting, the tube 4 is processed, and the drive roller 32 swings back to disengage the outer wall of the tube 4, releasing the clamp.

[0046] The advantage is that the two support rollers 31 are symmetrically distributed on both sides of the central axis of the turntable 2. After penetrating the inner wall of the pipe 4, they form a stable internal support and provide radial positioning for the pipe 4. The swing setting of the drive roller 32 can adjust the pressure position on the outer wall of the pipe 4 to adapt to pipes 4 with different outer diameters. The cooperation between the support roller 31 and the drive roller 32 forms a three-point clamp, ensuring that the axis of the pipe 4 is stable during rotation and avoiding radial deviation. The support of the support roller 31 on the inner wall of the pipe 4 and the pressure of the drive roller 32 on the outer wall work together to balance the force on the pipe 4 during rotation, reduce vibration, ensure that the scraping blade 51 is in close contact with the inner wall of the pipe 4 and the contact is uniform, and improve the chip scraping effect. The scraper 5 is located between the two support rollers 31 to avoid structural interference with the support roller 31 and ensure the continuity of the scraping path.

[0047] In some examples, such as Figures 4 to 6 As shown, the machine also includes a swing lever 6 and a pull-back wheel 61. Two swing levers 6 are provided, both swinging horizontally and connected to the turntable 2, symmetrically located on either side of the drive roller 32. The pull-back wheel 61 is actively connected to the swing lever 6 and is able to abut against the outer wall of the cut pipe 4 when the swing lever 6 swings. This rotation drives the pipe 4 axially toward the turntable 2.

[0048] Specifically, through the early contact and active drive of the retraction wheel 61, axial displacement is achieved before the pipe 4 is completely clamped, and feeding under temporary support is formed by cooperating with the support roller 31. The working process is as follows: the two support rollers 31 penetrate the inner circumference of the cut pipe 4 and form a support, at which time the drive roller 32 is in an unclamped state. The two swing arms 6 swing horizontally in the direction close to the pipe 4, driving the retraction wheel 61 to abut against the outer circumference of the cut pipe 4. The retraction wheel 61 actively rotates, and through friction, drives the cut pipe 4 to move along its own axial direction toward the turntable 2, so that the cut pipe 4 is away from the uncut part of the pipe 4. When the cut pipe 4 moves to contact the turntable 2, the retraction wheel 61 stops rotating, and the swing arm 6 swings in the opposite direction to separate the retraction wheel 61 from the outer circumference of the pipe 4. The driving roller 32 swings vertically to press against the outer wall of the pipe 4, and cooperates with the two supporting rollers 31 to clamp the pipe 4, then clamps the rotating roller group 3 to drive the pipe 4 to rotate around its own axis, and the scraper 5 rises to scrape off the chips.

[0049] The advantage lies in the symmetrical placement of the two swing arms 6 on either side of the drive roller 32, which evenly distributes the axial driving force exerted by the pull-back wheel 61 on the tube 4 around the circumference. This, combined with the inner circumferential support provided by the support roller 31, ensures that the tube 4 does not deflect during axial movement when not clamped. Before the drive roller 32 is clamped, the pull-back wheel 61 contacts the outer circumferential wall of the tube 4 and actively rotates, driving the tube 4 while it is only temporarily supported by the support roller 31. This allows for the premature separation of the cut tube 4 from the uncut portion. The support roller 31 provides radial positioning, while the pull-back wheel 61 provides axial driving force. Their synergistic effect before the drive roller 32 is clamped ensures that the cut tube 4 is already separated from the uncut portion before the turntable 2 rotates, preventing structural interference between the two during rotation. The rotational connection between the pull-back wheel 61 and the swing arm 6 ensures that the pull-back wheel 61 does not hinder the subsequent circumferential rotation of the tube 4 while driving axial movement, thus preserving the prerequisites for the subsequent clamping and rotating roller assembly 3 and enhancing the safety and continuity of the equipment's operation.

[0050] In some examples, such as Figures 4 to 7 As shown, the turntable 2 is provided with a sliding member 33 that can slide radially along the turntable 2, and two support rollers 31 are symmetrically arranged on the sliding member 33. The two support rollers 31 can retract into the turntable 2 under the sliding drive of the sliding member 33. During the sliding of the two support rollers 31, the pipe 4 can contact the turntable 2, so that the pipe 4 gradually disengages from the support rollers 2, so that the pipe 4 falls off the support rollers 31 by gravity. The turntable 2 is also provided with a driving mechanism for driving the sliding member 33 to slide radially along the turntable 2. The driving mechanism can be a rack installed on the sliding member 33 and a driving gear rotatably arranged on the turntable 2.

[0051] Specifically, after scraping the inner wall of the tube 4, the drive mechanism drives the slider 33 to slide radially toward the center of the turntable 2. The two support rollers 31 move synchronously with the slider 33 and gradually retract into the turntable 2. The support rollers 31 disengage from the inner circumference of the tube 4, releasing their support. The cut tube 4, under its own weight, separates from the clamping roller assembly 3, completing the unloading process. After unloading is complete, the drive mechanism drives the slider 33 to slide in the opposite direction. The support rollers 31 extend out of the turntable 2 along with the slider 33, returning to the ready-to-clamp position.

[0052] The advantage is that the sliding member 33 slides radially along the turntable 2, driving the support roller 31 to slide, achieving contact and separation between the support roller 31 and the inner circumference of the tube 4. This allows for the unloading of the tube 4 without manual operation, thereby improving the automation level of the equipment. The two support rollers 31 are symmetrically arranged on the sliding member 33, maintaining a symmetrical distribution throughout the sliding process. This ensures that the tube 4 is evenly stressed when the support rollers 31 retract, preventing the tube 4 from tilting or colliding due to the sudden loss of support on one side. The sliding of the support rollers 31 into the turntable 2 reduces obstruction to the tube 4 unloading path, allowing the tube 4 to fall smoothly in a vertical direction and reducing the risk of the tube 4 rubbing against the equipment structure.

[0053] In some examples, such as Figures 4 to 7 As shown, the turntable 2 has a mounting portion 22, and the mounting portion 22 is provided with a clamping rod 321 that can swing vertically. The clamping rod 321 is swingably connected to a mounting frame 322 for mounting the driving roller 32. An elastic member 323 is provided between the mounting frame 322 and the clamping rod 321. The elastic member 323 is used to elastically pull the mounting frame 322 upward so that the driving roller 32 fits and presses against the outer peripheral wall of the pipe 4.

[0054] Specifically, the clamping rod 321 swings vertically to a position where the drive roller 32 is aligned with the outer wall of the tube 4. The mounting bracket 322, under the upward pull of the elastic member 323, drives the drive roller 32 toward the outer wall of the tube 4, ensuring that the outer surface of the drive roller 32 is in close contact with the outer wall of the tube 4. If the outer diameter of the tube 4 tilts or changes, the elastic member 323 adaptively adjusts the pressure of the drive roller 32 by pulling on the mounting bracket 322, maintaining a stable pressure on the outer wall of the tube 4. This pressure ensures stable friction when the drive roller 32 rotates, driving the tube 4 to rotate synchronously.

[0055] The advantage is that the upward pull of the mounting bracket 322 by the elastic member 323 causes the drive roller 32 to always tend to conform to the outer wall of the tube 4, automatically compensating for dimensional deviations in the outer diameter of the tube 4 and ensuring reliable contact between the drive roller 32 and the outer wall of the tube 4. The vertical swing of the clamping rod 321, combined with the pulling of the elastic member 323, allows the pressure of the drive roller 32 to be adaptively adjusted according to the outer diameter of the tube 4, preventing slipping caused by insufficient pressure and damaging the surface of the tube 4 due to excessive pressure. The hinged structure between the mounting bracket 322 and the clamping rod 321 provides rotational freedom for adjusting the position of the drive roller 32. Combined with the elastic force of the elastic member 323, this ensures that the drive roller 32 always maintains linear contact with the outer wall of the tube 4 during the pressing process, thereby improving the efficiency of power transmission.

[0056] In some examples, such as Figure 6-Figure 7 As shown, two first sliders 52 are slidably connected to the sliding member 33, and the two first sliders 52 are respectively arranged near the two ends of the sliding member 33. A first rocker rod 53 is hinged between the scraper 5 and the two first sliders 52. A plurality of guide cylinders 55 are provided on the bottom surface of the scraper 5, and a plurality of guide rods 333 slidingly matched with the guide cylinders 55 are provided on the top surface of the sliding member 33. Regarding the sliding of the first slider 52, it can be a bidirectional screw driven by a driving motor, which can simultaneously drive the two first sliders 52 to approach or move away from each other, so as to drive the scraper 5 to rise or fall.

[0057] Specifically, when the scraper 5 needs to be raised or lowered, the two first sliders 52 move synchronously with the slider 33, driving the scraper 5 up or down via the first rocker 53. During the ascent of the scraper 5, the guide cylinder 55 slides along the guide rod 333 to limit the movement of the scraper 5. During the descent of the scraper 5, the guide cylinder 55 moves synchronously with the scraper 5 to maintain its vertical motion.

[0058] The advantage is that the cooperation between the first slider 52 and the first rocker 53 enables the lifting and lowering movement of the scraper 5. The sliding cooperation between the guide cylinder 55 and the guide rod 333 limits the movement direction of the scraper 5, ensuring that the scraper 5 is lifted and lowered only in the vertical direction, preventing radial deviation when the scraping blade 51 contacts the inner wall of the pipe 4, and ensuring the abutment accuracy of the scraping blade 51 and the inner wall of the pipe 4.

[0059] In some examples, such as Figures 3 to 7 As shown, both sides of the scraper 5 are provided with collecting grooves 56 , and the collecting grooves 56 are used to collect the chips scraped off the inner wall of the pipe 4 by the scraping blade 51 .

[0060] Specifically, after the scraping blades 51 scrape off the chips from the inner wall of the tube 4, the chips fall under the action of gravity and enter the collection grooves 56 on both sides of the scraper 5. During the rotation of the tube 4, the scraping blades 51 continue to scrape off the chips, and the collection grooves 56 move synchronously with the scraper 5, continuously receiving the falling chips until the chips from the inner wall of the tube 4 are completely scraped off.

[0061] The advantage is that the collection troughs 56 are located on both sides of the scraper 5 and can directly receive the chips scraped off by the scraping blades 51, preventing the chips from falling again and adhering to the cleaned inner wall of the pipe 4, thereby avoiding secondary contamination. The collection troughs 56 rise and fall synchronously with the scraper 5 and are always in the chip falling path during the scraping process, ensuring the continuity and integrity of chip collection.

[0062] In some examples, such as Figures 5 to 7 As shown, the turntable 2 is provided with a slag suction member 57 mounted above the scraping blade 51, and the opening of the slag suction member 57 faces the collection groove 56. The scraper 5 can pass through the slag suction member 57 under the sliding drive of the sliding member 33 to absorb the chips in the collection groove 56 through the slag suction member 57.

[0063] Specifically, after scraping off the chips, the scraper 5 descends, and the slider 33 drives the scraper 5 to slide toward the center of the turntable 2, causing the scraper 5 to pass under the slag suction member 57. The slag suction member 57 opens toward the collection trough 56 and activates as the scraper 5 passes by, sucking the chips from the collection trough 56 through suction. After the slag is sucked off, the slider 33 drives the scraper 5 to continue sliding, and the collection trough 56 returns to its initial position as the scraper 5 leaves the range of the slag suction member 57.

[0064] The advantage is that the slag suction member 57 is mounted above the scraping blade 51 and opens toward the collection trough 56, which can accurately absorb the chips in the collection trough 56 and prevent the chips from accumulating in the collection trough 56. The scraper 5 is driven by the sliding member 33 and passes through the slag suction member 57, achieving a continuous action of chip scraping, collection, and absorption, without the need for an additional chip transfer step, thereby improving chip processing efficiency.

[0065] In some examples, such as Figure 8 As shown, a lifting drive member 23 is provided on the frame 1, and the lifting drive member 23 can slide horizontally relative to the frame 1 to approach or move away from the laser cutting device 92. The turntable 2 is rotatably connected to the lifting end of the lifting drive member 23, and a gear 24 is provided at the bottom of the turntable 2. The lifting end of the lifting drive member 23 is rotatably connected to a second driving gear 25 that meshes with the gear 24. The second driving gear 25 is used to rotate and drive the turntable 2 to rotate.

[0066] Specifically, before the laser cutting device 92 completes cutting, the lifting drive 23 adjusts the height of the lifting end so that the support roller 31 is aligned with the height of the pipe 4. The turntable 2 then slides horizontally close to the pipe 4, and the support roller 31 penetrates the interior of the pipe 4. After the clamping and rotating roller group 3 clamps the pipe 4, the second drive gear 25 rotates, engaging with the gear teeth 24 at the bottom of the turntable 2 to drive the turntable 2 to rotate, causing the pipe 4 to be scraped and cleaned by the scraper 5 during rotation. When the turntable 2 rotates to the right position, the scraping process is completed, and the sliding member 33 is then retracted, the clamping and rotating roller group 3 releases the pipe 4, and the set workflow continues as the turntable 2 continues to rotate.

[0067] The advantage is that the combination of the horizontal sliding and height adjustment functions of the lifting drive 23 allows the turntable 2 to be accurately positioned in three-dimensional space, ensuring the insertion and docking of the support roller 31 with pipes 4 of different specifications, and improving the adaptability of the equipment to diversified pipes 4. The meshing transmission of the gear teeth 24 and the second drive gear 25 allows the rotation angle of the turntable 2 to be precisely controlled, enabling accurate switching of different workstations of the pipe 4 during its revolution. The combined movement of the revolution of the turntable 2 and the rotation of the pipe 4 causes the scraping blade 51 to form a spiral scraping track on the inner wall of the pipe 4. Compared with a single rotation movement, the scraping path length is increased, thereby improving the chip removal effect. The horizontal resetting action of the lifting drive 23 avoids interference when the laser cutting device 92 performs the next cutting, ensuring the continuity of the cutting and processing processes. This structural coordination achieves precise positioning and efficient processing of the pipe 4 through multi-dimensional motion control, while optimizing the space utilization and process connection of the equipment.

[0068] In some examples, such as Figures 2 to 8 As shown, there are a plurality of clamping and rotating roller groups 3 and scrapers 5 , which are arranged in a one-to-one correspondence. The plurality of clamping and rotating roller groups 3 and scrapers 5 are arranged along the circumference of the turntable 2 .

[0069] Specifically, different workstations are switched by rotating the turntable 2. The workflow is as follows: the loading device 91 transports the tube 4 to the laser cutting device 92 for cutting, while the turntable 2 rotates so that the first set of clamping and rotating rollers 3 and the scraper 5 correspond to the unloading end of the tube 4. After the laser cutting is completed, the lifting drive 23 drives the turntable 2 close to the tube 4, the support roller 31 penetrates the tube 4, the drive roller 32 clamps, and the scraper 5 rises to scrape off the chips. While the first group is being processed, the laser cutting device 92 cuts the next tube 4. When the first group is processed, the turntable 2 rotates by a preset angle so that the second set of clamping and rotating rollers 3 and the scraper 5 correspond to the newly cut tube 4, and the above process is repeated. Multiple sets of clamping and rotating rollers 3 and scrapers 5 work in a cycle in sequence to achieve continuous cutting and processing of the tube 4.

[0070] The advantage is that multiple groups of clamping rotating rollers 3 and scrapers 5 are arranged along the circumference of the turntable 2, so that the cutting and processing processes of the pipe 4 can be carried out in parallel, greatly improving the processing efficiency of the equipment. Each group is set up independently and corresponds one to one, avoiding mutual interference during the processing of different pipes 4 and ensuring the stable processing quality of each section of pipe 4. The circular array layout makes full use of the annular space of the turntable 2, and improves the batch processing capacity of the equipment by increasing the number of workstations without increasing the floor space of the equipment. The way the turntable 2 rotates to switch workstations makes the various processes closely connected, reduces the idling time of the equipment, and improves energy utilization efficiency. This structural configuration achieves efficient and large-scale processing of pipes 4 through space optimization and process parallelism.

[0071] The overall workflow is as follows: the loading device 91 delivers the tube 4 to the laser cutting device 92, which then cuts the tube 4. During the cutting process, the lifting drive 23 on the frame 1 slides horizontally to approach the laser cutting device 92. Simultaneously, the height of the lifting end is adjusted to allow the support rollers 31 on the turntable 2 to extend into the tube 4 to be cut. While the laser cutting device 92 is not yet finished cutting, the turntable 2 slides horizontally with the lifting drive 23, allowing the two support rollers 31 to penetrate the interior of the tube 4 and rest on its inner circumference until the cutting is complete. At this point, the drive rollers 32 are in an unclamped state.

[0072] The two swing arms 6 swing horizontally toward the pipe 4, driving the pull-back wheel 61 to abut the outer wall of the cut pipe 4. The pull-back wheel 61 actively rotates and, through friction, drives the cut pipe 4 along its own axis toward the turntable 2, moving the cut pipe 4 away from the uncut portion of the pipe 4. When the pipe 4 moves to abut the turntable 2, the swing arms 6 swing in the opposite direction, disengaging the pull-back wheel 61 from the outer wall of the pipe 4. The drive roller 32 swings vertically until it presses against the outer wall of the pipe 4, forming a clamping position in conjunction with the two support rollers 31.

[0073] The clamping roller assembly 3 is activated, causing the drive roller 32 to rotate and, through friction, drive the tube 4 around its own axis. Simultaneously, the second drive gear 25 rotates, meshing with the gear teeth 24 at the bottom of the turntable 2, driving the turntable 2 in turn. This causes the tube 4 to simultaneously rotate and revolve around the center of the turntable 2. Initially, the slider 33 is located outside the turntable 2. At this point, the first slider 52 slides, causing the first rocker 53 to push the scraper 5 upward. The guide cylinder 55 slides along the guide rod 333 to limit the movement of the scraper 5. The scraping blade 51 at the top of the scraper 5 contacts the inner wall of the tube 4. The combined motion of the tube 4 scrapes away chips adhering to the inner wall, which fall into the collection troughs 56 on either side of the scraper 5.

[0074] When the turntable 2 rotates to the designated angle, the scraping process is complete. The slider 33 slides radially toward the center of the turntable 2, pulling the scraper 5 downward via the first rocker 53. The scraper 5 separates from the inner wall of the tube 4. As the slider 33 moves, the scraper 5 passes beneath the slag suction element 57, which activates to absorb the shavings from the collection trough 56. The drive mechanism drives the slider 33 to continue sliding. The two support rollers 31 retract into the turntable 2 along with the slider 33, and the drive roller 32 swings in the opposite direction to disengage from the outer wall of the tube 4. Under the action of its own weight, the tube 4 separates from the clamping roller assembly 3, completing the unloading process.

[0075] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A laser cutting device for pipe processing, comprising a loading device (91), a laser cutting device (92) and a unloading device (93) arranged in sequence, characterized in that: The blanking device (93) comprises: A frame (1), the frame (1) being arranged at a discharge end of the laser cutting device (92), a turntable (2) being rotatably connected to the frame (1), and the turntable (2) being capable of sliding horizontally to move closer to or away from the laser cutting device (92); A clamping rotating roller group (3), the clamping rotating roller group (3) is arranged on the turntable (2), and is used to clamp the tube wall of the cut tube (4) and drive the cut tube (4) to rotate around its own axis; A scraper (5), the scraper (5) is lifted and lowered on the turntable (2), and the top of the scraper (5) has a scraping blade (51), and the scraping blade (51) can abut against the inner wall of the pipe (4) when the scraper (5) is lifted, so as to scrape off chips attached to the inner wall of the pipe (4) when the pipe (4) rotates; The clamping rotating roller group (3) comprises: Support rollers (31), two of which are rotatably arranged on the turntable (2), the two support rollers (31) being symmetrically located on both sides of the central axis of the turntable (2), the two support rollers (31) being able to penetrate into the pipe (4) to be cut under the sliding drive of the turntable (2), and being able to support the inner peripheral wall of the pipe (4) after the pipe (4) is cut and dropped, and the scraper (5) being located between the two support rollers (31); A driving roller (32), the driving roller (32) being swingably disposed on the turntable (2), the driving roller (32) being capable of swinging vertically to press against the outer peripheral wall of the pipe (4) to cooperate with the two supporting rollers (31) to clamp the cut pipe (4) and drive the pipe (4) to rotate; Also includes: There are two swing rods (6), both of which are connected to the turntable (2) in a horizontal swinging manner, and the two swing rods (6) are symmetrically distributed on both sides of the driving roller (32); A pull-back wheel (61) is rotatably connected to the swing rod (6). The pull-back wheel (61) can abut against the outer peripheral wall of the cut pipe (4) under the swinging drive of the swing rod (6), and rotate to drive the pipe (4) to move axially to approach the turntable (2).

2. The laser cutting equipment for pipe processing according to claim 1, characterized in that: The turntable (2) is provided with a sliding member (33) capable of sliding radially along the turntable (2), and the two support rollers (31) are symmetrically arranged on the sliding member (33). The two support rollers (31) can be retracted into the turntable (2) under the sliding drive of the sliding member (33) to allow the pipe (4) to fall off the support rollers (31). The turntable (2) is also provided with a driving mechanism for driving the sliding member (33) to slide radially along the turntable (2).

3. The laser cutting equipment for pipe processing according to claim 2, characterized in that: The turntable (2) has a mounting portion (22), and the mounting portion (22) is provided with a vertically swingable pressing rod (321). The pressing rod (321) is swingably connected to a mounting frame (322) for mounting the driving roller (32). An elastic member (323) is provided between the mounting frame (322) and the pressing rod (321). The elastic member (323) is used to elastically pull the mounting frame (322) upward so that the driving roller (32) fits and presses against the outer peripheral wall of the pipe (4).

4. The laser cutting equipment for pipe processing according to claim 2, characterized in that: Two first sliders (52) are slidably connected to the sliding member (33), and the two first sliders (52) are respectively arranged near the two ends of the sliding member (33). A first rocker (53) is hinged between the scraper (5) and the two first sliders (52). The bottom surface of the scraper (5) is provided with a plurality of guide cylinders (55), and the top surface of the sliding member (33) is provided with a plurality of guide rods (333) that slidably cooperate with the guide cylinders (55).

5. The laser cutting equipment for pipe processing according to claim 3, characterized in that: Both sides of the scraper (5) are provided with collecting grooves (56), and the collecting grooves (56) are used to collect chips scraped off the inner wall of the pipe (4) by the scraping blade (51).

6. The laser cutting equipment for pipe processing according to claim 5, characterized in that: The turntable (2) is provided with a slag suction member (57) mounted above the scraping blade (51), the opening of the slag suction member (57) is directed toward the collecting trough (56), and the scraper (5) can pass through the slag suction member (57) under the sliding drive of the sliding member (33) to absorb the chips in the collecting trough (56) through the slag suction member (57).

7. The laser cutting equipment for pipe processing according to claim 1, characterized in that: The frame (1) is provided with a lifting drive member (23), and the lifting drive member (23) can slide horizontally relative to the frame (1) to approach or move away from the laser cutting device (92). The turntable (2) is rotatably connected to the lifting end of the lifting drive member (23), and the bottom of the turntable (2) is provided with gear teeth (24). The lifting end of the lifting drive member (23) is rotatably connected to a second driving gear (25) meshing with the gear teeth (24), and the second driving gear (25) is used to rotate and drive the turntable (2) to rotate.

8. The laser cutting equipment for pipe processing according to claim 1, characterized in that: The clamping rotating roller groups (3) and the scraping members (5) are both provided in a plurality and are arranged in a one-to-one correspondence, and the plurality of clamping rotating roller groups (3) and the scraping members (5) are arranged along the circumference of the turntable (2).

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