Trimming equipment for bimetal composite pipe

Abstract

The invention discloses a double-metal composite pipe finishing device, relates to the technical field of seamless metal composite pipe surface treatment, and aims to solve the problem that when a double-metal composite pipe is finished at present, the double-metal composite pipe cannot be repaired. The problems that the forming quality is poor and the production efficiency is low due to the fact that the bimetal composite pipe needs to be manually transferred between different devices to grind the inner pipe and the outer pipe step by step and cut the two ends of the bimetal composite pipe are solved. The double-metal composite pipe finishing equipment comprises a supporting frame, a first grinding device, a second grinding device and a laser cutting device. Wherein the supporting frame is provided with a driving assembly, and the driving assembly is used for driving the bimetal composite pipe to rotate; the first polishing device is used for polishing the outer wall of the bimetal composite pipe; the second polishing device is used for polishing the inner wall of the bimetal composite pipe; the laser cutting device is provided with laser outlets facing the pipe walls of the two axial ends of the bimetal composite pipe, and the laser outlets are used for emitting laser to the pipe walls of the bimetal composite pipe so as to cut the two axial ends of the bimetal composite pipe.

Description

Technical Field

[0001] The invention relates to the technical field of surface treatment of seamless metal composite pipes, and in particular to bimetallic composite pipe finishing equipment. Background Art

[0002] Three-roll cross-rolling of bimetallic composite pipes uses a localized loading and spiral-feeding forming process, making it the most effective method for producing bimetallic composite pipes. The process primarily includes pipe pretreatment (grinding, fitting, and welding), three-roll cross-rolling, composite pipe sizing, cooling, and subsequent finishing. High-temperature rolling, sizing, and cooling can lead to waste at both ends of the inner and outer pipes, as well as poor internal and external wall quality. These factors can affect the subsequent use and performance of the bimetallic composite pipes, making finishing an essential part of the production process.

[0003] In the current existing technology, when trimming bimetallic composite pipes, the bimetallic composite pipes are often manually transferred frequently between different equipment to achieve the purpose of trimming the bimetallic composite pipes. This trimming method will reduce the stability of the molding quality and production efficiency of the bimetallic composite pipes. Summary of the Invention

[0004] The purpose of the present invention is to provide a bimetallic composite pipe trimming device to solve the problem that the current bimetallic composite pipe trimming requires frequent manual transfer operations, the inner and outer pipe grinding and the cutting of the two ends of the bimetallic composite pipe are carried out in steps, which leads to poor forming quality and low production efficiency of the bimetallic composite pipe.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: A bimetallic composite pipe trimming device, characterized by comprising: A support frame is provided with a driving assembly, and the driving assembly is used to drive the bimetallic composite pipe to rotate; a first grinding device, the first grinding device being used to grind the outer wall of the bimetallic composite pipe; a second grinding device, the second grinding device being used for grinding the inner wall of the bimetallic composite pipe; The laser cutting device has a laser outlet facing the tube wall at both axial ends of the bimetallic composite tube, and the laser outlet is used to emit laser toward the tube wall of the bimetallic composite tube to cut the axial ends of the bimetallic composite tube.

[0006] Optionally, in the above-mentioned bimetallic composite pipe trimming device, the driving assembly includes: Two first support rollers are arranged side by side, one of which is rotatably mounted on a support frame, and the other is fixedly mounted on the support frame, and the two first support rollers are used to place the bimetallic composite pipe; The first drive motor is arranged on the support frame, and the driving end of the first drive motor is connected to a first support roller for driving the first support roller to rotate.

[0007] Optionally, in the above-mentioned bimetallic composite pipe finishing equipment, the first grinding device includes: A first grinding frame, the first grinding frame is arranged on the supporting frame; a first pressing assembly, the first pressing assembly being disposed on the first grinding frame and being used to provide a driving force in a radial direction of the bimetallic composite pipe; The first grinding assembly is connected to the driving end of the first pressing assembly and is used to grind the outer wall of the bimetallic composite pipe.

[0008] Optionally, in the above-mentioned bimetallic composite pipe finishing equipment, the first grinding assembly includes: a second drive motor connected to a drive end of the first pressing assembly; The first grinding component is connected to the driving end of the second driving motor, and the second driving motor is used to drive the first grinding component to rotate and grind the outer wall of the bimetallic composite pipe.

[0009] Optionally, in the above-mentioned bimetallic composite pipe trimming equipment, the first grinding device also includes a first screw mechanism, the first screw mechanism is fixedly arranged on the support frame, and the extension direction of the first screw mechanism is parallel to the axial direction of the bimetallic composite pipe, and the first screw mechanism is connected to the first grinding frame to drive the first grinding frame to move along the axial direction of the bimetallic composite pipe.

[0010] Optionally, in the above-mentioned bimetallic composite pipe trimming device, the bimetallic composite pipe trimming device further comprises a second pressing assembly, which is disposed on the support frame and is used to apply a force to the bimetallic composite pipe to press the driving assembly.

[0011] Optionally, in the above-mentioned bimetallic composite pipe trimming equipment, the second pressing assembly includes: A hydraulic component, wherein the hydraulic component is arranged on the support frame; The pressing wheel is connected to the driving pressing end of the hydraulic component. There are two pressing wheels. The two pressing wheels are used to be arranged at intervals along the circumference of the bimetallic composite pipe and are located on both sides of the upper half of the circumference of the bimetallic composite pipe.

[0012] Optionally, in the above-mentioned bimetallic composite pipe trimming equipment, the bimetallic composite pipe trimming equipment also includes a second screw mechanism, the second screw mechanism is arranged on the support frame, the extension direction of the second screw mechanism is parallel to the axial direction of the bimetallic composite pipe, and the second screw mechanism is connected to the second pressing assembly to drive the second pressing assembly to move along the axial direction of the bimetallic composite pipe.

[0013] Optionally, in the above-mentioned bimetallic composite pipe trimming equipment, the number of the second pressing assemblies is two, the number of the laser cutting devices is two, and each laser cutting device includes: Brackets, the brackets are respectively fixedly arranged on the second pressing assembly; The laser is fixed on the bracket and is used to provide laser light perpendicular to the axial direction of the bimetallic composite tube.

[0014] Optionally, in the above-mentioned bimetallic composite pipe finishing equipment, the second grinding device includes: Second grinding rack; A grinding table is arranged on the second grinding frame so as to move along the axial direction of the bimetallic composite pipe; A third drive motor, the third drive motor is fixedly mounted on the polishing table; The second grinding component is fixedly arranged at the driving end of the third driving motor and is used for grinding the inner wall of the bimetallic composite pipe.

[0015] Compared with the prior art, the bimetallic composite pipe finishing equipment provided by the present invention comprises a support frame as the main frame that integrates a drive assembly, a first grinding device, a second grinding device, and a laser cutting device. The drive assembly achieves axial rotation by rotating the bimetallic composite pipe. The first grinding device and the second grinding device are respectively arranged at corresponding stations on the outer and inner sides of the composite pipe along the axial direction of the support frame. The laser cutting device has laser outlets facing the pipe walls at both axial ends of the bimetallic composite pipe, and its light path penetrates the pipe wall of the bimetallic composite pipe. In specific implementation, the drive assembly drives the bimetallic composite pipe to rotate along its own axis, the laser cutting device simultaneously cuts both ends of the pipe body, and the first grinding device and the second grinding device simultaneously grind along the axial direction of the bimetallic composite pipe, continuously grinding the inner and outer surfaces of the rotating composite pipe. With this setting, the rotary drive, inner and outer surface grinding and end cutting functions are integrated into the same workstation through the support frame, so that the composite pipe can be cut and the inner and outer surface finishing can be completed simultaneously in one clamping, avoiding the repeated positioning errors caused by the transfer of multiple equipment in the traditional process and improving the stability of processing quality. At the same time, the integrated structure reduces the manual intervention link, shortens the production time, and realizes the improvement of production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 This is a schematic diagram of the overall structure of a bimetallic composite pipe trimming device proposed in an embodiment of the present invention; Figure 2This is a partially enlarged schematic diagram of a second pressing assembly of a bimetallic composite pipe trimming device proposed in an embodiment of the present invention; Figure 3 This is a partially enlarged schematic diagram of a first grinding device of a bimetallic composite pipe finishing device proposed in an embodiment of the present invention; Figure 4 This is a partially enlarged schematic diagram of a driving component of a bimetallic composite pipe trimming device proposed in an embodiment of the present invention; Figure 5 This is a structural schematic diagram of a second grinding device of a bimetallic composite pipe finishing device proposed in an embodiment of the present invention.

[0017] Figure numerals: 100 is the support frame, 200 is the drive assembly, 210 is the first support roller, 220 is the first drive motor, 300 is the first grinding device, 310 is the first grinding frame, 320 is the first pressing assembly, 330 is the first grinding assembly, 3301 is the second drive motor, 3302 is the first grinding component, 340 is the first screw mechanism, 400 is the second grinding device, 410 is the second grinding frame, 420 is the grinding table, 430 is the third drive motor, 440 is the second grinding component, 500 is the laser cutting device, 510 is the bracket, 520 is the laser, 600 is the second pressing assembly, 610 is the hydraulic component, 620 is the pressing wheel, and 700 is the second screw mechanism. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is 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 and are not intended to limit the present invention.

[0019] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined. "Several" means one or more, unless otherwise specifically defined.

[0021] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and may encompass internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0023] See also Figure 1 The bimetallic composite pipe trimming equipment provided in an embodiment of the present invention includes: a support frame 100, a first grinding device 300, a second grinding device 400, and a laser cutting device 500; wherein, the support frame 100 is provided with a drive assembly 200, and the drive assembly 200 is used to drive the bimetallic composite pipe to rotate; the first grinding device 300 is used to grind the outer wall of the bimetallic composite pipe; the second grinding device 400 is used to grind the inner wall of the bimetallic composite pipe; the laser cutting device 500 has a laser outlet facing the pipe wall at both axial ends of the bimetallic composite pipe, and the laser outlet is used to emit laser light toward the pipe wall of the bimetallic composite pipe to cut the axial ends of the bimetallic composite pipe.

[0024] In specific implementation: In the bimetallic composite pipe trimming equipment provided by the present invention, the support frame 100 serves as the main frame and integrates the drive assembly 200, the first grinding device 300, the second grinding device 400, and the laser cutting device 500, wherein the drive assembly 200 realizes axial rotation by rotating the bimetallic composite pipe; the first grinding device 300 and the second grinding device 400 are respectively arranged at corresponding stations on the outer and inner sides of the composite pipe along the axial direction of the support frame 100; the laser cutting device 500 has laser outlets facing the pipe walls at both axial ends of the bimetallic composite pipe, and its light path penetrates the pipe wall of the bimetallic composite pipe. In specific implementation, the drive assembly 200 drives the bimetallic composite pipe to rotate along its own axis, and the laser cutting device 500 simultaneously cuts the two ends of the pipe body. At the same time, the first grinding device 300 and the second grinding device 400 grind along the axial direction of the bimetallic composite pipe, respectively performing continuous grinding on the inner and outer surfaces of the rotating composite pipe. With this arrangement, the support frame 100 integrates the rotation drive, inner and outer surface grinding and end cutting functions into the same workstation, so that the composite pipe can be cut and the inner and outer surface finishing can be completed simultaneously in one clamping, avoiding the repeated positioning errors caused by the transfer of multiple equipment in the traditional process and improving the stability of the processing quality. At the same time, the integrated structure reduces the manual intervention link, shortens the production time, and realizes the improvement of production efficiency.

[0025] As a possible implementation, Figure 4 As shown, the drive assembly 200 includes two first support rollers 210 and a first drive motor 220 arranged side by side; one of the first support rollers 210 is rotatably set on the support frame 100, and the other first support roller 210 is fixedly set on the support frame 100, and the two support rollers are used to place the bimetallic composite pipe; the first drive motor 220 is set on the support frame 100, and the driving end of the first drive motor 220 is connected to the first support roller 210 for driving the first support roller 210 to rotate.

[0026] In specific implementation, the bimetallic composite pipe is mounted between two first support rollers 210. The fixed first support roller 210 provides a static fixing bracket 510. The rotatable first support roller 210 is driven by the first drive motor 220 to actively rotate. The friction between the roller surface and the outer wall of the bimetallic composite pipe drives the bimetallic composite pipe to rotate about its own axis. This arrangement, through the cooperation of the fixed and rotating first support rollers 210, forms a stable clamping mechanism, ensuring the radial positioning accuracy of the bimetallic composite pipe during rotation.

[0027] In some embodiments, support roller slide rail mechanisms with adjustable spacing are provided on both sides of the support frame 100 , and the spacing between the two rollers is adjusted by a lead screw to adapt to different bimetallic composite pipe diameters, thereby enhancing the versatility of the device.

[0028] In some possible implementations, such as Figure 1As shown, the first grinding device 300 includes a first grinding frame 310, a first pressing assembly 320 and a first grinding assembly 330; wherein, the first grinding frame 310 is arranged on the support frame 100; the first pressing assembly 320 is arranged on the first grinding frame 310, and the first pressing assembly 320 is used to provide a driving force toward the radial direction of the bimetallic composite pipe; the first grinding assembly 330 is connected to the driving end of the first pressing assembly 320, and the first grinding assembly 330 is used to grind the outer wall of the bimetallic composite pipe.

[0029] During implementation, the first pressing assembly 320 drives the first grinding assembly 330 downward in a direction perpendicular to the bimetallic composite tube, causing the grinding portion of the first grinding assembly 330 to form contact pressure with the outer wall of the bimetallic composite tube. Simultaneously, the first drive motor 220 on the support frame 100 rotates the first support roller 210, thereby rotating the bimetallic composite tube. The first grinding assembly 330 continuously grinds along the circumferential motion of the bimetallic composite tube. This arrangement, by providing the adjustable first pressing assembly 320 in coordination with the rotational motion of the bimetallic composite tube, ensures stable contact pressure during the outer wall grinding process of the bimetallic composite tube, avoiding surface irregularities caused by pressure fluctuations during traditional manual grinding.

[0030] As a possible implementation, Figure 3 As shown, the first grinding assembly 330 includes a second drive motor 3301 and a first grinding component 3302; wherein, the second drive motor 3301 is connected to the drive end of the first pressing assembly 320; the first grinding component 3302 is connected to the drive end of the second drive motor 3301, and the second drive motor 3301 is used to drive the first grinding component 3302 to rotate to grind the outer wall of the bimetallic composite pipe.

[0031] During specific implementation, when the first pressing assembly 320 drives the first grinding assembly 330 to move downward to the target position, the second drive motor 3301 rotates the first grinding component 3302. Simultaneously, the first drive assembly 200 on the support frame 100 rotates the bimetallic composite tube about its own axis. The first grinding component 3302 includes a replaceable grinding wheel, which is detachably mounted on the drive end of the second drive motor 3301. The separation of the second drive motor 3301 and the first grinding component 3302 allows the first grinding component 3302 to be replaced without removing the second drive motor 3301, thus reducing maintenance time.

[0032] Furthermore, the first grinding device 300 also includes a first screw mechanism 340, which is fixedly arranged on the support frame 100, and the extension direction of the first screw mechanism 340 is parallel to the axial direction of the bimetallic composite pipe. The first screw mechanism 340 is connected to the first grinding frame 310 and is used to drive the first grinding frame 310 to move along the axial direction of the bimetallic composite pipe.

[0033] Specifically, the first screw mechanism 340 is fixed to the support frame 100, with its axis aligned parallel to the axial direction of the bimetallic composite tube. A sliding nut block is provided at the bottom of the first grinding frame 310, which matches the screw. The nut block is driven to translate along the length of the bimetallic composite tube by rotating the screw. Because the first grinding assembly 330 is mounted on the first grinding frame 310 via a first hold-down component, when the first screw mechanism 340 drives the grinding frame axially, the first grinding assembly 330 moves as a whole, thereby precisely adjusting the axial processing position of the first grinding assembly 330 relative to the bimetallic composite tube.

[0034] During specific implementation, the first drive assembly 200 simultaneously rotates the bimetallic composite tube, while the first screw mechanism 340 rotates the screw, driving the grinding frame to smoothly move along the axis of the bimetallic composite tube. At this point, the first grinding assembly 330 forms spiral grinding marks on the surface of the rotating tube. The constant pressure control of the first pressing component ensures that the grinding portion of the first grinding assembly 330 maintains stable contact with the tube wall throughout the entire process. This combined motion of axial movement and circumferential rotation achieves continuous, uninterrupted grinding of the outer surface of the bimetallic composite tube.

[0035] With such an arrangement, by precisely controlling the axial position of the first grinding frame 310 by the first screw mechanism 340, the outer wall grinding range can cover the entire length of the bimetallic composite pipe, eliminating the local ungrinded areas caused by the fixed working positions of traditional equipment; and the high rigidity of the screw transmission effectively suppresses vibration interference, ensures the stability of the grinding pressure during long-stroke movement, and avoids the defect of uneven axial grinding depth.

[0036] In some embodiments, a first slide rail is fixedly mounted on the support frame 100. The first slide rail extends parallel to the axis of the first support roller 210. The first grinding frame 310 includes a mating portion that can be mounted and coupled to the first slide rail. This mating portion is in sliding connection with the first slide rail. With this arrangement, when the position of the first grinding frame 310 is adjusted via the first screw mechanism 340, the first slide rail supports and guides the first grinding frame 310 because the first grinding frame 310 is mounted on the first slide rail, thereby enhancing stability during movement.

[0037] As a possible implementation, Figure 2 As shown, the bimetallic composite pipe trimming device further includes a second pressing assembly 600 , which is disposed on the support frame 100 . The second pressing assembly 600 is used to apply a force to the bimetallic composite pipe to compress the driving assembly 200 .

[0038] Specifically, the second pressing assembly 600 is disposed on the support frame 100, with its pressing end facing the bimetallic composite tube placed above the drive assembly 200. After the bimetallic composite tube is placed on the two first support rollers 210 of the drive assembly 200, the second pressing assembly 600 is activated and moves downward until it contacts the outer wall of the bimetallic composite tube and applies pressure, thereby stably pressing the bimetallic composite tube against the bearing surface of the first support rollers 210. At this time, the bimetallic composite tube rotates under the drive of the first drive assembly 200 to complete the grinding operation. By adding the second pressing assembly 600, the unstable displacement of the bimetallic composite tube during the rotation and grinding process is effectively suppressed, the vibration problem caused by the eccentricity of the tube body or the uneven surface is eliminated, and the processing accuracy of laser cutting and internal and external grinding is guaranteed.

[0039] Furthermore, the second pressing assembly 600 includes a hydraulic component 610 and a pressing wheel 620; wherein, the hydraulic component 610 is arranged on the support frame 100; the pressing wheel 620 is connected to the driving pressing end of the hydraulic component 610, and the number of the pressing wheels 620 is two, and the two pressing wheels 620 are used to be arranged at intervals along the circumference of the bimetallic composite pipe and are located on both sides of the upper half of the circumference of the bimetallic composite pipe.

[0040] Specifically, the hydraulic component 610 is fixedly mounted on the support frame 100 through a base, and its piston rod extends downward and is connected to the wheel frame of the pressing wheel 620. The two pressing wheels 620 are symmetrically arranged on both sides of the upper half of the circumference of the bimetallic composite pipe. When working, the wheel surface contacts the outer wall of the bimetallic composite pipe.

[0041] During implementation, the hydraulic component 610 drives the piston rod downward, driving the two hold-down wheels 620 to simultaneously press down from both sides of the composite tube, applying a compressive force to the tube body and stably pressing the bimetallic composite tube onto the bearing surface of the first support roller 210. When the first drive assembly 200 rotates the bimetallic composite tube, the hold-down wheels 620 roll with the tube body, providing radial restraint to prevent the bimetallic composite tube from bouncing and avoiding sliding friction with the tube wall that damages the tube surface. In some embodiments, there can be multiple hold-down wheels 620, with two hold-down wheels 620 forming a corresponding group. The multiple groups of hold-down wheels 620 are spaced apart along the axial direction of the bimetallic composite tube. This distribution of the wheel surfaces increases the contact area, reduces local pressure, and prevents compression and deformation of the bimetallic composite tube wall.

[0042] As a possible implementation, Figure 1 As shown, the bimetallic composite pipe trimming equipment also includes a second screw mechanism 700, which is arranged on the support frame 100. The extension direction of the second screw mechanism 700 is parallel to the axial direction of the bimetallic composite pipe. The second screw mechanism 700 is connected to the second press-down assembly 600 and is used to drive the second press-down assembly 600 to move along the axial direction of the bimetallic composite pipe.

[0043] Specifically, the second screw mechanism 700 is rigidly mounted on the support frame 100, and its axis is parallel to the axial direction of the bimetallic composite tube; the bottom of the second press-down assembly 600 is provided with a movable slider matching the screw, and the slider is driven by the rotation of the screw to move along the length direction of the bimetallic composite tube, thereby driving the second press-down assembly 600 to move axially as a whole.

[0044] In specific implementation, once the bimetallic composite tube is clamped, the second screw mechanism 700 drives the screw to rotate, driving the second hold-down assembly 600 to move axially along the bimetallic composite tube to the target clamping position. At this point, the second hold-down assembly 600 presses downward, firmly pressing the bimetallic composite tube against the first support roller 210. During subsequent processing, if the position of the clamping point needs to be adjusted, the second screw mechanism 700 can drive the second hold-down assembly 600 to shift axially in real time, ensuring that the clamping force always acts on the non-processing area.

[0045] Through the linkage design of the second screw mechanism 700 and the second pressing component 600, dynamic adjustment of the clamping position is achieved, which not only ensures the stability of the tube body during processing, but also avoids the interference of the second pressing component 600 with cutting, grinding and other processes; the high positioning accuracy of the screw transmission mechanism ensures precise control of the spacing between the clamping points, eliminating the problem of uneven distribution of the clamping force caused by traditional manual adjustment.

[0046] As a possible implementation, Figure 1 As shown, there are two second press-down assemblies 600 and two laser cutting devices 500. Each laser cutting device 500 includes a bracket 510 and a laser 520. The brackets 510 are fixedly mounted on the second press-down assemblies 600. The laser 520 is fixedly mounted on the bracket 510. The laser 520 is used to provide a laser perpendicular to the axis of the bimetallic composite tube.

[0047] Specifically, the second hold-down assembly 600 and the laser cutting device 500 employ an integrated design. The laser cutting device 500's bracket 510 is fixedly mounted on the second hold-down assembly 600. During implementation, after the inner and outer walls of the bimetallic composite tube are polished, the second hold-down assembly 600 is moved axially along the support bracket 100 to designated positions at either end of the tube. Alternatively, the second hold-down assembly 600 is positioned at the designated cutting positions at either end. The second hold-down assembly 600 presses down and secures the bimetallic composite tube, while the laser 520 simultaneously activates and emits a laser beam perpendicular to the tube axis, simultaneously cutting both ends of the tube. This integrated design of clamping and cutting functions achieves stable clamping during tube cutting, eliminating the vibration of the tube end caused by the separation of the clamping and cutting points in traditional separate equipment. Furthermore, the laser cutting device 500 is mounted on the second hold-down assembly 600, making it easier to adjust the axial positions of the laser cutting device 500 and the second hold-down assembly 600 relative to the tube. This simultaneous adjustment is achieved simply by adjusting the second hold-down assembly 600, increasing adjustment efficiency.

[0048] In some embodiments, as Figure 1 As shown, two second slide rails are fixedly provided on the support frame 100, and the two second slide rails are respectively located on both sides of the first support roller 210, and the extension direction of the second slide rails is consistent with the axial direction of the first support roller 210. At the same time, two second screw mechanisms 700 are also provided, respectively located on both sides of the first support roller 210. The second pressing assembly 600 is a frame structure, which has two ends spanning both sides of the first support roller 210. One end of the second pressing assembly 600 is connected to the second screw mechanism 700, and the other end is slidably connected to a second slide rail. Through the provision of the second slide rail, the second slide rail provides a smooth guide for the movement of the second pressing assembly 600 in the axial direction of the first support roller 210, and the second screw mechanism 700 and the second slide rail are arranged on both sides of the support frame 100, and a symmetrical arrangement is adopted. This mirror-symmetrical design improves the center of mass balance between different components and enhances the stability of the entire device.

[0049] For example, the upper surfaces of the first and second slide rails are concave surfaces, the lower surface of the first grinding frame 310 where it cooperates with the first slide rail is a convex surface, and the lower surface of the second pressing assembly 600 where it cooperates with the second slide rail is a convex surface. For example, the upper surfaces of the second slide rail and the first slide rail are V-shaped opening grooves, and the lower surface of the second pressing assembly 600 that cooperates with the second slide rail is a protruding wedge block that matches the angle of the V-shaped opening groove and can be embedded in the opening groove. In a specific implementation, the protruding wedge block is restricted from moving in the opening groove. The angles of the two walls of the opening groove ensure that the wedge block can move well along the preset length direction of the opening groove, while limiting other movement tendencies of the wedge block, ensuring the smooth movement of the second pressing assembly 600, and preventing the second pressing assembly 600 from swinging, tilting or shifting. Similarly, the first slide rail and the first grinding frame 310 that cooperates with the first slide rail can also be set to the above structure.

[0050] As a possible implementation, Figure 5 As shown, the second grinding device 400 includes a second grinding frame 410, a grinding table 420, a third drive motor 430 and a second grinding component 440; wherein, the grinding table 420 is arranged on the second grinding frame 410 for movement along the axial direction of the bimetallic composite tube; the third drive motor 430 is fixed to the grinding table 420; the second grinding component 440 is fixed to the driving end of the third drive motor 430, and is used to grind the inner wall of the bimetallic composite tube.

[0051] Specifically, a horizontal guide rail is provided on the top of the second polishing frame 410, and the polishing table 420 is slidably connected to the horizontal guide rail via a screw mechanism, and can move in a direction parallel to the axis of the bimetallic composite pipe. In specific implementation, after the outer wall of the bimetallic composite pipe is processed, the polishing table 420 moves along the guide rail, and the second polishing component 440 set on the third drive point is fed into the inner wall of the bimetallic composite pipe. The third drive motor 430 drives the second polishing component 440 to rotate and move along a preset path inside the bimetallic composite pipe to polish the inner wall. After the inner wall of the bimetallic composite pipe is polished, the movable polishing table 420 resets the device, and the polishing is completed. The second polishing device 400 uses an independent guide rail and screw axial movement platform, and integrates the third drive motor 430 with the polishing component. This design enhances stability during inner wall polishing and improves the quality and efficiency of inner wall finishing.

[0052] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0053] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A bimetallic composite pipe trimming device, characterized in that: include: A support frame, wherein a driving assembly is provided on the support frame, and the driving assembly is used to drive the bimetallic composite pipe to rotate; a first grinding device, the first grinding device being used to grind the outer wall of the bimetallic composite pipe; a second polishing device, the second polishing device being used to polish the inner wall of the bimetallic composite pipe; A laser cutting device has a laser outlet facing the tube wall at both axial ends of the bimetallic composite tube, and the laser outlet is used to emit laser light toward the tube wall of the bimetallic composite tube to cut the axial ends of the bimetallic composite tube.

2. The bimetallic composite pipe trimming equipment according to claim 1, characterized in that: The drive assembly includes: Two first support rollers arranged side by side, wherein one of the first support rollers is rotatably disposed on the support frame, and the other first support roller is fixedly disposed on the support frame, and the two first support rollers are used to place the bimetallic composite pipe; A first driving motor is provided on the supporting frame, and a driving end of the first driving motor is connected to one of the first supporting rollers for driving the first supporting roller to rotate.

3. The bimetallic composite pipe trimming equipment according to claim 1, characterized in that: The first grinding device comprises: a first grinding frame, the first grinding frame being arranged on the supporting frame; a first pressing assembly, the first pressing assembly being disposed on the first grinding frame, and the first pressing assembly being used to provide a driving force in a radial direction toward the bimetallic composite pipe; A first grinding assembly is connected to the driving end of the first pressing assembly, and the first grinding assembly is used to grind the outer wall of the bimetallic composite pipe.

4. The bimetallic composite pipe trimming equipment according to claim 3, characterized in that: The first grinding assembly includes: a second drive motor connected to a drive end of the first pressing assembly; The first grinding component is connected to the driving end of the second driving motor, and the second driving motor is used to drive the first grinding component to rotate and grind the outer wall of the bimetallic composite pipe.

5. The bimetallic composite pipe trimming equipment according to claim 3, characterized in that: The first grinding device also includes a first screw mechanism, which is fixedly arranged on the support frame, and the extension direction of the first screw mechanism is parallel to the axial direction of the bimetallic composite pipe. The first screw mechanism is connected to the first grinding frame and is used to drive the first grinding frame to move along the axial direction of the bimetallic composite pipe.

6. The bimetallic composite pipe trimming equipment according to claim 1, characterized in that: The bimetallic composite pipe trimming device further includes a second pressing assembly, which is disposed on the support frame and is used to apply a force to the bimetallic composite pipe that compresses the driving assembly.

7. The bimetallic composite pipe trimming equipment according to claim 6, characterized in that: The second pressing assembly includes: a hydraulic component, wherein the hydraulic component is arranged on the support frame; A pressing wheel is connected to the driving pressing end of the hydraulic component. There are two pressing wheels. The two pressing wheels are used to be arranged at intervals along the circumference of the bimetallic composite tube and are located on both sides of the upper half of the circumference of the bimetallic composite tube.

8. The bimetallic composite pipe trimming equipment according to claim 6, characterized in that: The bimetallic composite pipe trimming device also includes a second screw mechanism, which is arranged on the support frame. The extension direction of the second screw mechanism is parallel to the axial direction of the bimetallic composite pipe. The second screw mechanism is connected to the second press-down assembly and is used to drive the second press-down assembly to move along the axial direction of the bimetallic composite pipe.

9. The bimetallic composite pipe trimming equipment according to claim 6, characterized in that: The number of the second pressing assemblies is two, the number of the laser cutting devices is two, and each of the laser cutting devices includes: brackets, each of which is fixedly mounted on the second pressing assembly; A laser is fixedly mounted on the bracket and is used to provide laser light perpendicular to the axial direction of the bimetallic composite tube.

10. The bimetallic composite pipe trimming equipment according to claim 1, characterized in that: The second grinding device comprises: Second grinding rack; A polishing table, the polishing table being arranged on the second polishing frame so as to be movable along the axial direction of the bimetallic composite pipe; a third drive motor, the third drive motor being fixedly mounted on the polishing table; A second grinding component is fixedly mounted on the driving end of the third driving motor and is used for grinding the inner wall of the bimetallic composite pipe.

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