A beveling machine for pipe processing

Abstract

The present invention relates to the technical field of beveling machines, and provides a beveling machine for pipe processing, which includes a frame. A support frame is rotatably and movably arranged relative to the frame. The support frame has a chute. A cutting member is slidably arranged in the chute and is used for beveling the pipe. A leveling member is slidably arranged in the chute and is located on both sides of the chute respectively with respect to the cutting member. The leveling member is used for leveling the end of the pipe before beveling the pipe. A pre-grinding member is arranged on the leveling member and is used for pre-grinding the end of the pipe before leveling. A root face cutter is arranged on the leveling member and is located on the side of the leveling member away from the pre-grinding member and is used for root face processing of the pipe bevel. Through the above technical solution, the problem of poor processing accuracy of the beveling machine for pipe processing in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of beveling machines, and specifically, to a beveling machine for pipe processing. Background Art

[0002] In the field of pipeline engineering, the bevel processing of large-diameter pipelines is an extremely crucial link, and its processing quality directly affects the subsequent welding quality as well as the overall performance and service life of the pipelines. Traditional bevel processing techniques for large-diameter pipelines have many defects.

[0003] In terms of processing procedures, it is usually carried out step by step. First, the pipe end is simply cleaned or roughly processed, then bevel cutting is performed, and afterwards, the pipe is transferred to a dedicated root face processing device or workstation for root face treatment. This step-by-step processing results in the need for the pipe to be clamped and transferred multiple times, and each process conversion will introduce new positioning errors and clamping errors. For example, during the transfer process, the pipe may undergo slight displacement or deformation due to operations such as hoisting and handling, and it is difficult to ensure complete precise docking with the previous processing position during reinstallation, making it difficult to effectively control the processing accuracy, with a high scrap rate and rework rate.

[0004] For the pretreatment of the pipe end, the traditional method is often not delicate enough. During transportation, the pipe end is prone to problems such as protrusions and rust caused by impact or bumping. If not properly treated, during bevel cutting, the uneven pipe end will cause strong impact and wear on the cutting edge, resulting in rapid wear of the cutting edge, frequent replacement of cutting parts, and a significant increase in equipment maintenance costs. At the same time, this unstable cutting environment will also cause vibrations and stress concentration during the cutting process, seriously affecting the cutting accuracy, making the bevel processing quality uneven, unable to meet the requirements of high-quality welding, thereby reducing the strength and reliability of the welded joint, and affecting the safety of the entire pipeline system under complex working conditions such as pressure and temperature.

[0005] In addition, in the traditional process, bevel and root face processing are carried out separately. The secondary positioning error inevitably leads to the problem of root face eccentricity with the pipe axis, making it difficult to ensure the relative position accuracy between the root face and the bevel, affecting the fusion quality and weld formation effect during welding, and the entire processing cycle is long, making it difficult to meet the increasing demands for efficiency and accuracy in heavy-duty pipe processing. Therefore, it is extremely urgent to develop a beveling machine for pipe processing that can integrate and optimize each processing procedure and effectively improve processing accuracy and efficiency. Summary of the Invention

[0006] The present invention provides a beveling machine for pipe processing, which solves the problem of poor processing accuracy of the beveling machine for pipe processing in the related art.

[0007] The technical solution of the present invention is as follows:

[0008] A beveling machine for pipe processing, which is used for processing the bevels of large-diameter pipes, includes:

[0009] A frame;

[0010] A support frame, which is rotatably and movably arranged relative to the frame, and the support frame has a chute;

[0011] A cutting member, which is slidably arranged in the chute, and the cutting member is used for processing the bevels of the pipe;

[0012] A flattening member, which is slidably arranged in the chute, and is located at both ends of the chute respectively with the cutting member, and the flattening member is used for flattening the end of the pipe before processing the bevel of the pipe;

[0013] A pre-grinding member, which is arranged on the flattening member and is used for pre-grinding before flattening the end of the pipe;

[0014] A root face cutter, which is arranged on the flattening member and is located on the side of the flattening member away from the pre-grinding member, and is used for processing the root face of the pipe bevel.

[0015] As a further technical solution, the cutting member includes:

[0016] A cutting seat, which is slidably arranged in the chute, the cutting seat has a mounting portion, the mounting portion has a positioning groove, and the inner wall of the positioning groove has a locking hole;

[0017] A cutting tool, which is swingably arranged on the mounting portion;

[0018] A pressing member, which is arranged in the positioning groove and presses on the cutting tool for fixing the cutting tool, the pressing member has a locking hole, and the locking hole leads to the locking hole;

[0019] A locking member, which is rotatably arranged on the pressing member, the locking member penetrates through the locking hole and extends into the locking hole, after the locking member rotates, the locking member locks or unlocks with the cutting seat.

[0020] As a further technical solution, the flattening member includes:

[0021] A sliding seat, which is slidably arranged in the chute, the sliding seat has a first adjustment groove and a second adjustment groove, the root face cutter is slidably arranged in the second adjustment groove, the first adjustment groove and the second adjustment groove are vertically arranged, the first adjustment groove is located on one side of the sliding seat, and the second adjustment groove penetrates through the sliding seat;

[0022] A flattening tool, which is slidably arranged in the first adjustment groove;

[0023] A top piece is slidably arranged in the first adjustment groove and is located on one side of the leveling knife. The top piece is used to install the pre-grinding piece. The pre-grinding piece has a clearance groove, and the leveling knife is located in the clearance groove.

[0024] As a further technical solution, the cutting knife has an installation hole and a fixing hole, and the installation hole and the fixing hole are respectively located at the end and the middle of the cutting knife. The clamping piece has a fixing portion and an abutting portion, and the fixing portion is pressed into the fixing hole. The fixing portion has a notch, and the bottom wall of the fixing hole has a protrusion, and the notch is used to accommodate the protrusion, and the abutting portion abuts against the cutting knife.

[0025] As a further technical solution, the locking member has a first locking portion, the locking hole has a first locking groove, the locking hole has a second locking groove, after the locking member rotates, the first locking portion slides into or out of the first locking groove, the locking member has an inner cavity and an arc-shaped groove, the inner cavity leads to the arc-shaped groove, the arc-shaped groove leads to the second locking groove, and the locking member further includes:

[0026] A positioning bead, the positioning bead is movably disposed in the arc-shaped groove and extends from the arc-shaped groove into the second locking groove;

[0027] An unlocking member, the unlocking member is slidably disposed in the inner cavity, the unlocking member has an unlocking groove, and after the unlocking member slides, the positioning bead slides into or out of the unlocking groove;

[0028] A first elastic member, wherein one end of the first elastic member acts on the inner cavity, and the other end of the first elastic member acts on the unlocking member to provide a force for the locking member to slide out of the inner cavity.

[0029] As a further technical solution, the leveling knife has a threaded hole, and the top piece includes:

[0030] a first support member, the first support member being slidably disposed in the first adjustment slot;

[0031] a second supporting member, the second supporting member is arranged to move relative to the first supporting member, the pre-grinding member is arranged on the second supporting member, and the second supporting member has a connecting hole;

[0032] A fixing bolt, the fixing bolt passes through the connecting hole and extends into the threaded hole;

[0033] A second elastic member, wherein one end of the second elastic member acts on the first supporting member, and the other end of the second elastic member acts on the second supporting member to provide a force for the second supporting member to move away from the first supporting member.

[0034] As a further technical solution, both the leveling knife and the pre-grinding member have conical grinding surfaces, the support frame is a circular support frame, and the conical grinding surfaces are eccentrically arranged with respect to the support frame.

[0035] As a further technical solution, it further includes:

[0036] A translation frame that is movably arranged on the machine frame, and the support frame is rotatably arranged on the translation frame;

[0037] A first pipe support frame located on one side of the machine frame;

[0038] A second pipe support frame located on the side of the first pipe support frame away from the machine frame;

[0039] Pipe supporting members, there are two pipe supporting members, which are respectively slidably arranged on the first pipe support frame and the second pipe support frame, and the pipe supporting members are used for supporting the pipeline;

[0040] Pipe fixing members, there are several pipe fixing members, which are respectively arranged on the first pipe support frame and the second pipe support frame for fixing the pipeline.

[0041] As a further technical solution, both the first pipe support frame and the second pipe support frame include:

[0042] A base located on one side of the machine frame;

[0043] A lifting platform that is arranged to be lifted on the base, and the pipe supporting member is slidably arranged on the lifting platform.

[0044] As a further technical solution, the pipe supporting member includes:

[0045] A pipe support seat that has a slide rail;

[0046] Sliding members that are slidably arranged on the slide rail, there are two sliding members, and a fixing space is formed between the two sliding members for fixing the pipeline.

[0047] The working principle and beneficial effects of the present invention are as follows:

[0048] In the present invention, the pre-treatment operations of the pre-grinding member and the leveling member avoid the vibration and stress concentration generated during the cutting process due to the unevenness of the pipe end. This stable cutting operation environment helps to maintain the working performance of the cutting member, reduces the influence on the cutting accuracy caused by abnormal vibration, thereby improving the processing accuracy of the bevel, ensuring that the processed bevel meets the requirements of high-quality welding, and improving the overall quality of the product.

[0049] The blunt-edge cutter starts working when the cutting piece is about to finish cutting and synchronously completes the blunt-edge cutting, achieving the processing of the bevel and the blunt edge within the same process. This avoids the secondary positioning error generated during the traditional process when the pipeline is transferred for blunt-edge processing after the bevel processing is completed. Since there is no need to transfer the pipeline, the problem of eccentricity between the blunt edge and the pipeline axis caused by re-clamping and positioning is reduced, greatly improving the relative position accuracy between the blunt edge and the bevel. The eccentricity can be controlled within ±0.2 mm, effectively ensuring the fusion quality and weld forming effect during welding. At the same time, processing within the same process reduces the processing links, shortens the processing cycle, and improves the overall production efficiency, which is particularly important for heavy pipeline processing that requires high efficiency and precision.

[0050] In the same process, the process of the cutting piece cutting the bevel provides a relatively stable processing basis for the blunt-edge cutter, making the blunt-edge forming process more stable and reliable. The dimensional accuracy of the blunt edge, such as the thickness deviation, can be controlled within ±0.1 mm, and the angular accuracy deviation is within ±0.5 degrees, which can better meet the strict requirements of the welding process specification for the blunt edge, improve the strength and reliability of the welded joint, reduce the generation of welding defects, and thus improve the product quality and engineering safety.

[0051] Through the orderly coordination of pre-grinding, leveling, cutting, and blunt-edge processing, the error accumulation caused by multiple clamping, transfer, and the connection of different processes is reduced. In the traditional processing method, new positioning errors, clamping errors, etc. may be introduced during the conversion between each process, while this equipment integrates and optimizes these processes, significantly improving the overall processing accuracy, ensuring the performance stability of the pipeline during welding and subsequent use, improving the quality consistency of the product, and reducing the scrap rate and rework rate caused by processing accuracy problems.

[0052] During the cutting process, the uneven temperature change caused by the unevenness of the pipe end is avoided, thus reducing the influence on the change of the material properties of the bevel surface. This makes the organizational structure and mechanical properties of the bevel surface material more uniform, which is beneficial to improving the performance stability of the welded joint, ensuring the reliability of the entire pipeline under complex working conditions such as pressure and temperature, further improving the product quality and service life, and providing a strong guarantee for the safe application of heavy pipelines in various projects. Brief Description of the Drawings

[0053] The above characteristics, technical features, advantages and their implementation methods of the present invention will be further described below in a clear and understandable manner in combination with the drawings of the preferred embodiments.

[0054] Figure 1 is a schematic structural diagram of the present invention;

[0055] Figure 2 is Figure 1Schematic diagram of the enlarged structure of A;

[0056] Figure 3 is Figure 1 Schematic diagram of the enlarged structure of B;

[0057] Figure 4 Cross-sectional view schematic diagram of the flattening part and related structures in the present invention;

[0058] Figure 5 Assembly structure schematic diagram of the cutting part hiding the cutting tool in the present invention;

[0059] Figure 6 Assembly structure schematic diagram of the cutting part hiding the pressing part in the present invention;

[0060] Figure 7 Structure schematic diagram of the locking part in the present invention;

[0061] Figure 8 Cross-sectional structure schematic diagram of the cutting part in the present invention;

[0062] Figure 9 Structure schematic diagram of the unlocking part in the present invention;

[0063] In the figure: frame - 1, support frame - 2, chute - 201, cutting part - 3, cutting seat - 301, installation part - 3011, positioning groove - 3012, locking hole - 3013, cutting tool - 302, installation hole - 3021, fixing hole - 3022, protrusion - 3023, pressing part - 303, locking hole - 3031, abutting part - 3032, notch - 3033, fixing part - 3034, first locking groove - 3035, second locking groove - 3036, locking part - 304, first locking part - 3041, inner cavity - 3042, arc groove - 3043, positioning bead - 3044, unlocking part - 3045, unlocking groove - 3046, first elastic part - 3047, flattening part - 4, sliding seat - 401, first adjustment groove - 4011, second adjustment groove - 4012, flattening tool - 402, threaded hole - 4021, top part - 403, first support part - 4031, second support part - 4032, connection hole - 4033, fixing bolt - 4034, second elastic part - 4035, pre-grinding part - 5, relief groove - 501, conical grinding surface - 502, blunt edge tool - 6, translation frame - 7, first pipe support frame - 8, base - 801, lifting platform - 802, second pipe support frame - 9, pipe bearing part - 10, pipe bearing seat - 1001, slide rail - 1002, sliding part - 1003, fixing space - 1004, pipe fixing part - 11. Detailed implementation manner

[0064] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will describe the specific embodiments of the present invention with reference to the accompanying drawings. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, and other embodiments can also be obtained.

[0065] To make the drawings concise, only the parts related to the invention are schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, parts with the same structure or function are only schematically shown for one of them, or only one of them is marked. In this article, "one" not only means "only this one", but also can mean "more than one" situation, and "several" includes "two" and "more than two".

[0066] In this article, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0067] In addition, in the description of this application, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0068] Referring to Figures 1 to 9 , which is the first embodiment of the present invention, a beveling machine for pipe processing is proposed, which is used for beveling large-diameter pipes. It includes a frame 1, a support frame 2 is rotatably and movably arranged relative to the frame 1. The support frame 2 has a chute 201. A cutting member 3 is slidably arranged in the chute 201. The cutting member 3 is used for beveling the pipe. A leveling member 4 is slidably arranged in the chute 201 and is located at both ends of the chute 201 respectively with the cutting member. The leveling member 4 is used to level the end of the pipe before beveling the pipe. A pre-grinding member 5 is arranged on the leveling member 4 and is used for pre-grinding before leveling the end of the pipe. A root face cutter 6 is arranged on the leveling member 4 and is located on the side of the leveling member 4 away from the pre-grinding member 5 and is used for root face processing of the pipe bevel.

[0069] In this embodiment, the support frame 2 that rotates and moves drives the cutting member 3, the leveling member 4, the pre-grinding member 5, and the root face cutter 6 to rotate and gradually move towards the end of the pipe. The design of the chute 201 restricts the movement of the relevant cutting tools. Among them, before the cutting member 3 cuts, the pre-grinding member 5 first pre-grinds the damage to the end of the pipe caused during transportation (mainly the convex damage caused by impact or bump at the end), and after the pre-grinding member 5 pre-grinds the convexity at the end of the pipe caused during transportation, the leveling member 4 further processes minor convexities or rust, which effectively improves the surface condition of the part of the pipe to be processed. When the cutting member 3 works, the impact and wear of the uneven pipe end on its cutting edge are reduced, thus significantly extending the service life of the cutting member 3. After pre-grinding and leveling treatment, the wear rate of the cutting edge of the cutting member 3 is reduced by about 5% - 10% compared with that without treatment, which can reduce the replacement frequency of the cutting member 3 and lower the equipment maintenance cost. At the same time, the flat working surface enables the cutting member 3 to cut more stably, the cutting surface is smoother and flatter, and the control of the cutting depth and angle is more accurate, effectively improving the processing quality of the bevel and ensuring the uniformity and tightness of the weld during subsequent welding.

[0070] The pre-treatment operations of the pre-grinding member 5 and the leveling member 4 avoid the vibration and stress concentration generated during the cutting process due to the unevenness of the pipe end. This stable cutting operation environment helps to maintain the working performance of the cutting member 3, reduces the influence of abnormal vibration on the cutting accuracy, thereby improving the processing accuracy of the bevel, ensuring that the processed bevel meets the requirements of high-quality welding, and enhancing the overall quality of the product.

[0071] The root face cutter 6 starts to work and synchronously completes the root face cutting when the cutting member 3 is about to finish cutting, realizing the processing of the bevel and the root face in the same process. This avoids the secondary positioning error generated during the traditional process when the pipe is transferred for root face processing after the bevel processing is completed. Since there is no need to transfer the pipe, the eccentricity problem between the root face and the pipe axis caused by re-clamping and re-positioning is reduced, and the relative position accuracy between the root face and the bevel is greatly improved, and the eccentricity can be controlled within ±0.2 mm, effectively ensuring the fusion quality and weld forming effect during welding. At the same time, the processing in the same process reduces the processing links, shortens the processing cycle, and improves the overall production efficiency, which is particularly important for heavy pipe processing with high requirements for efficiency and accuracy.

[0072] In the same process, the process of the cutting member 3 cutting the bevel provides a relatively stable processing basis for the root face cutter 6, making the root face forming process more stable and reliable. The dimensional accuracy of the root face, such as the thickness deviation, can be controlled within ±0.1 mm, and the angular accuracy deviation is within ±0.5 degrees, which can better meet the strict requirements of the welding process specification for the root face, improve the strength and reliability of the welded joint, reduce the generation of welding defects, and thus enhance the product quality and engineering safety.

[0073] Through the orderly cooperation of pre-grinding, leveling, cutting, and beveling processes, the cumulative error caused by multiple clamping, transportation, and the connection of different processes is reduced. In the traditional processing method, the conversion between each process may introduce new positioning errors, clamping errors, etc. However, this equipment integrates and optimizes these processes, significantly improving the overall processing accuracy, ensuring the performance stability of the pipeline during welding and subsequent use, enhancing the quality consistency of the product, and reducing the rejection rate and rework rate caused by processing accuracy problems.

[0074] During the cutting process, the uneven change of cutting temperature caused by the unevenness of the pipe end is avoided, thereby reducing the influence on the change of the material properties of the bevel surface. This makes the organizational structure and mechanical properties of the bevel surface material more uniform, which is beneficial to improving the performance stability of the welded joint, ensuring the reliability of the entire pipeline under complex working conditions such as pressure and temperature, further enhancing the quality and service life of the product, and providing a strong guarantee for the safe application of heavy pipelines in various projects.

[0075] Further, the cutting member 3 includes a cutting seat 301. The cutting seat 301 is slidably arranged in the chute 201. The cutting seat 301 has an installation portion 3011. The installation portion 3011 has a positioning groove 3012. The inner wall of the positioning groove 3012 has a locking hole 3013. The cutting knife 302 is swingably arranged on the installation portion 3011. The pressing member 303 is arranged in the positioning groove 3012 and presses on the cutting knife 302 for fixing the cutting knife 302. The pressing member 303 has a locking hole 3031. The locking hole 3031 leads to the locking hole 3013. The locking member 304 is rotatably arranged on the pressing member 303. The locking member 304 passes through the locking hole 3031 and extends into the locking hole 3013. After the locking member 304 rotates, the locking member 304 locks or unlocks with the cutting seat 301.

[0076] In this embodiment, when the cutting knife 302 needs to be installed, the cutting knife 302 is placed at a suitable position on the installation portion 3011. Then, the arc-shaped pressing member 303 is placed in the positioning groove 3012 to press the cutting knife 302. Next, the locking member 304 is rotated so that it passes through the locking hole 3031 and extends into the locking hole 3013, realizing the locking of the cutting knife 302 and the cutting seat 301, and ensuring that the cutting knife 302 will not loosen or displace during the working process.

[0077] The arc-shaped pressing member 303 can be replaced with pressing members 303 of different radian under the conditions of different processing angles. This feature enables the cutting tool 302 to use general bevel tools or ordinary tools. For enterprises, there is no need to reserve a large number of cutting tools with different specifications and special customization, which greatly reduces the spare part cost of the cutting tool 302. For example, when facing heavy-duty pipe processing tasks with various bevel angle requirements, in the past, it might be necessary to purchase a variety of special tools corresponding to different angles, but now only a small number of general tools combined with pressing members 303 of different radian can be used to handle the tasks, and the tool procurement cost can be greatly reduced.

[0078] When it is necessary to adjust the angle of the cutting tool 302 according to different pipes and processes during processing, only the pressing member 303 with the corresponding radian needs to be replaced instead of the entire cutting tool 302, which simplifies the tool changing process. The operator can complete the tool angle adjustment more quickly, reduce the equipment downtime, and improve the production efficiency. For example, when switching from processing pipes with large bevel angles to pipes with small bevel angles, replacing the pressing member 303 with a suitable radian may only take a few minutes, while the traditional tool changing method may take half an hour or even longer.

[0079] The pressing and fixing effect of the arc-shaped pressing member 303 on the cutting tool 302 can ensure that the cutting tool 302 remains stable during operation. Whether using general bevel tools or ordinary tools, in cutting tasks at different angles, it can effectively prevent the tool from shaking or displacement. During the cutting process, the cutting angle deviation can be controlled within ±0.3 degrees, and the cutting depth deviation does not exceed ±0.1 mm, thereby improving the precision of bevel processing and ensuring the subsequent welding quality.

[0080] Due to the flexibility to replace the radian of the pressing member 303, the cutting tool 302 can better adapt to various working conditions in heavy-duty pipe processing. Whether it is the large cutting resistance faced when processing high-strength alloy steel pipes or the long-distance cutting requirement when processing large-diameter pipes, by adjusting the pressing member 303 to adapt the tool angle, the cutting tool 302 can maintain a good working state and improve the stability and reliability of the equipment under complex working conditions.

[0081] Furthermore, the flattening member 4 includes a sliding seat 401. The sliding seat 401 is slidably arranged in the sliding groove 201. The sliding seat 401 has a first adjustment groove 4011 and a second adjustment groove 4012. The blunt edge tool 6 is slidably arranged in the second adjustment groove 4012. The first adjustment groove 4011 and the second adjustment groove 4012 are vertically arranged. The first adjustment groove 4011 is located on one side of the sliding seat 401. The second adjustment groove 4012 penetrates the sliding seat 401. The flattening tool 402 is slidably arranged in the first adjustment groove 4011. The pressing member 403 is slidably arranged in the first adjustment groove 4011 and is located on one side of the flattening tool 402. The pressing member 403 is used to mount the pre-grinding member 5. The pre-grinding member 5 has a relief groove 501. The flattening tool 402 is located in the relief groove 501.

[0082] In this embodiment, the flattening member 4 plays a crucial transitional and auxiliary role throughout the process of pipe bevel machining. Its sliding seat 401, as the basic load-bearing component, slides extremely smoothly within the sliding groove 201, which benefits from the precise fit between the sliding groove 201 and the sliding seat 401.

[0083] The layout of the first adjustment groove 4011 and the second adjustment groove 4012 on the sliding seat 401 provides precise positioning and adjustment space for the internal components. When the flattening cutter 402 is installed in the first adjustment groove 4011, the operator can adjust the positions of the pre-grinding member 5 and the flattening cutter 402 by adjusting the position of the top member 403 according to the actual unevenness of the pipe end to adapt to different pipe diameters.

[0084] The through-hole design of the second adjustment groove 4012 facilitates the installation and adjustment of the root face cutter 6. The root face cutter 6 is installed in the second adjustment groove 4012. When processing pipes of different specifications or with different root face requirements, the cutting position and angle of the root face cutter 6 can be changed by adjusting the position of the root face cutter 6 in the second adjustment groove 4012. For example, when processing large-diameter pipes with a large root face thickness requirement, the slider can be adjusted outwards to make the root face cutter 6 extend more to achieve a larger cutting amount; while for small-diameter pipes or with a small root face thickness requirement, the slider can be adjusted inwards to reduce the extension amount of the root face cutter 6 to ensure the accuracy of root face machining.

[0085] Furthermore, the cutting cutter 302 has a mounting hole 3021 and a fixing hole 3022. The mounting hole 3021 and the fixing hole 3022 are respectively located at the end and the middle of the cutting cutter 302. The pressing member 303 has a fixing portion 3034 and an abutting portion 3032. The fixing portion 3034 is pressed in the fixing hole 3022. The fixing portion 3034 has a notch 3033, and the bottom wall of the fixing hole 3022 has a protrusion 3023. The notch 3033 is used to accommodate the protrusion 3023, and the abutting portion 3032 abuts against the cutting cutter 302.

[0086] In this embodiment, the mounting hole 3021 and the fixing hole 3022 of the cutting cutter 302 are respectively located at its end and middle. This layout plays a key role in positioning and fixing when cooperating with the pressing member 303. The mounting hole 3021 can be used for preliminary positioning when installing the cutting cutter 302 to ensure its accurate placement on the mounting portion 3011 of the cutting seat 301.

[0087] The shape of the fixing portion 3034 of the pressing member 303 is adapted to the fixing hole 3022. When the pressing member 303 is placed in the positioning groove 3012 and presses the cutting cutter 302, the fixing portion 3034 can be tightly pressed in the fixing hole 3022. The notch 3033 of the fixing portion 3034 and the protrusion 3023 on the bottom wall of the fixing hole 3022 cooperate with each other to form a positioning structure.

[0088] The abutting portion 3032 of the pressing member 303 is in close abutment with the cutting tool 302, and its abutting surface is finely ground to ensure the fitting degree with the cutting tool 302. The pressure applied by the abutting portion 3032 is evenly distributed on the cutting tool 302, so that the cutting tool 302 will not shake or vibrate due to uneven local stress during operation.

[0089] During the entire pipeline processing, this structural design of the cutting tool 302 and the pressing member 303 has a positive impact on the overall performance of the equipment. Since the cutting tool 302 can be firmly and accurately fixed, the equipment can maintain high processing accuracy and stability when cutting pipelines of different materials and specifications.

[0090] Furthermore, the locking member 304 has a first locking portion 3041, the locking hole 3013 has a first locking groove 3035, the locking hole 3031 has a second locking groove 3036. After the locking member 304 rotates, the first locking portion 3041 slides into or out of the first locking groove 3035. The locking member 304 has an inner cavity 3042 and an arc-shaped groove 3043. The inner cavity 3042 leads to the arc-shaped groove 3043, and the arc-shaped groove 3043 leads to the second locking groove 3036. The locking member 304 further includes a positioning bead 3044. The positioning bead 3044 is movably arranged in the arc-shaped groove 3043. After the positioning bead 3044 moves, it extends from the arc-shaped groove 3043 into the second locking groove 3036. The unlocking member 3045 is slidably arranged in the inner cavity 3042. The unlocking member 3045 has an unlocking groove 3046. After the unlocking member 3045 slides, the positioning bead 3044 slides into or out of the unlocking groove 3046. One end of the first elastic member 3047 acts on the inner cavity 3042, and the other end acts on the unlocking member 3045, providing a force for the locking member 304 to slide out of the inner cavity 3042.

[0091] In this embodiment, the first locking portion 3041 of the locking member 304, the first locking groove 3035 of the locking hole 3013, and the second locking groove 3036 of the locking hole 3031 together constitute a set of precise locking and unlocking systems. When it is necessary to lock the cutting tool 302, place the cutting tool 302 at a suitable position on the mounting portion 3011 of the cutting seat 301, then place the arc-shaped pressing member 303 into the positioning groove 3012 to press the cutting tool 302, and then rotate the locking member 304. During the rotation, the first locking portion 3041 slides into the first locking groove 3035, thereby realizing the firm locking of the cutting tool 302 and the cutting seat 301. In this process, the shapes of the first locking portion 3041 and the first locking groove 3035 are both spiral. The spiral design enables the first locking portion 3041 and the first locking groove 3035 to be effectively locked after restricting axial movement, and the structure is stable. After the restriction is released, unlocking is more convenient.

[0092] The design of the inner cavity 3042, arc-shaped groove 3043, and positioning bead 3044 of the locking member 304 further enhances the reliability and convenience of locking. The positioning bead 3044 is movably arranged in the arc-shaped groove 3043 and can extend from the arc-shaped groove 3043 into the second locking groove 3036 to achieve radial locking of the locking member 304. When the locking member 304 rotates in place, the positioning bead 3044 partially extends into the second locking groove 3036 under the action of the unlocking member 3045, playing a role in preventing accidental unlocking.

[0093] The unlocking member 3045 is slidably arranged in the inner cavity 3042. When it is necessary to unlock the cutting tool 302, the operator operates the unlocking member 3045 to slide in the inner cavity 3042. Overcoming the force provided by the first elastic member 3047 for the locking member 304 to slide out of the inner cavity 3042, during the sliding process of the unlocking member 3045, the positioning bead 3044 slides into the unlocking groove 3046 of the unlocking member 3045. At this time, the axial locking of the locking member 304 is cancelled, and the locking member 304 can be rotated to make the first locking portion 3041 slide out of the first locking groove 3035, completing the unlocking operation. This unlocking mechanism not only ensures the stability of the cutting tool 302 during normal operation but also provides a convenient and fast unlocking method when the cutting tool 302 needs to be replaced or maintained, reducing the equipment downtime and improving the production efficiency.

[0094] With this kind of locking and unlocking structure, the operator can quickly and accurately complete the replacement operation of the cutting tool 302. Compared with the traditional complex locking structure, time can be saved each time the cutting tool 302 is replaced. For large-scale production, it can significantly improve the overall production efficiency and reduce the production cost. At the same time, due to the reliability of locking, it also ensures that the cutting tool 302 always maintains a stable working state during the cutting process, improving the accuracy and quality of groove machining, providing good basic conditions for the subsequent welding process, and ensuring key performance indicators such as the strength and sealing performance of the welded joint.

[0095] Furthermore, the leveling tool 402 has a threaded hole 4021. The top member 403 includes a first support member 4031. The first support member 4031 is slidably arranged in the first adjustment groove 4011. The second support member 4032 is movably arranged relative to the first support member 4031. The pre-grinding member 5 is arranged on the second support member 4032. The second support member 4032 has a connection hole 4033. The fixing bolt 4034 passes through the connection hole 4033 and extends into the threaded hole 4021. One end of the second elastic member 4035 acts on the first support member 4031, and the other end acts on the second support member 4032, providing a force for the second support member 4032 to move away from the first support member 4031.

[0096] In this embodiment, the threaded hole 4021 of the leveling tool 402 provides a crucial interface for its connection with the ejector 403. The first support member 4031 can slide smoothly within the first adjustment groove 4011, which benefits from the precise fit between the inner wall of the first adjustment groove 4011 and the outer surface of the first support member 4031 as well as good lubrication treatment. This sliding setting enables the leveling tool 402 to make flexible position adjustments according to the actual situation of the pipe end during the working process.

[0097] The movement setting of the second support member 4032 relative to the first support member 4031 endows the entire structure with a certain elastic adjustment ability. When the fixing bolt 4034 passes through the connection hole 4033 of the second support member 4032 and extends into the threaded hole 4021 of the leveling tool 402, the leveling tool 402 and the ejector 403 can be relatively fixed by tightening the fixing bolt 4034. However, due to the existence of the second elastic member 4035, one end of which acts on the first support member 4031 and the other end acts on the second support member 4032, providing a force for the second support member 4032 to move away from the first support member 4031, so that when the leveling tool 402 is subjected to a certain external force impact or when encountering local hardness changes at the pipe end during the processing, there is a certain buffer space. For example, when processing a pipe with hard particles on the surface, when the leveling tool 402 contacts the hard particles and encounters a large resistance, the second elastic member 4035 will be compressed, and the second support member 4032 will have a slight displacement relative to the first support member 4031, thus preventing the leveling tool 402 from being damaged due to sudden overload or having a large position deviation, ensuring the stability and continuity of the processing.

[0098] The connection structure between the leveling tool 402 and the ejector 403 plays a positive role in improving the processing accuracy. During the long-term processing, due to factors such as the vibration of the equipment and the non-uniformity of the pipe material, the traditional rigid connection structure may cause slight changes in the position of the leveling tool 402, thereby affecting the leveling effect of the pipe end. The elastic adjustment mechanism in this structure can effectively absorb the influence brought by these unstable factors, enabling the leveling tool 402 to always maintain a relatively stable cutting depth and angle. From the aspect of equipment reliability, this structure reduces the probability of the leveling tool 402 being damaged due to accidental impact or overload. When processing some high-strength alloy pipes or recycling and reprocessing waste pipes with poor surface conditions, the advantages of this structure are more obvious.

[0099] Furthermore, both the leveling tool 402 and the pre-grinding member 5 have a conical grinding surface 502, the support frame 2 is a circular support frame 2, and the conical grinding surface 502 is eccentrically arranged with respect to the support frame 2.

[0100] In this embodiment, the conical grinding surface 502 of the leveling knife 402 and the pre-grinding piece 5 has a unique processing advantage. This conical shape can gradually increase the cutting or grinding force when contacting the end of the pipe, thereby achieving accurate processing of the end of the pipe.

[0101] When the support frame 2 rotates and advances toward the end of the pipe, due to the eccentric setting, the action trajectory of the conical grinding surface 502 on the end of the pipe presents a spiral shape. Compared with the traditional concentric setting grinding method, this spiral grinding trajectory can remove the material at the end of the pipe more evenly. For example, when processing large-diameter pipes, the concentrically set grinding surface may cause uneven grinding in the center area and edge area of the pipe, which is prone to excessive center grinding or insufficient edge grinding. The eccentrically set conical grinding surface 502 can effectively avoid this problem, making the flattening or pre-grinding effect of the entire pipe end more consistent.

[0102] In the actual processing process, the eccentricity can be precisely adjusted according to the diameter, material and processing requirements of the pipe. Generally speaking, for pipes with larger diameters and harder materials, the eccentricity can be appropriately increased to increase the coverage and strength of grinding; while for pipes with smaller diameters and softer materials, the eccentricity can be appropriately reduced to avoid excessive grinding. Through this flexible eccentricity adjustment, the equipment can adapt to the processing needs of various types of pipes, improving the versatility and processing accuracy of the equipment. At the same time, due to the special action trajectory of the conical grinding surface 502, a larger area of the pipe end can be processed in the same time.

[0103] Furthermore, it also includes a translation frame 7, which is movably set on the frame 1, and the support frame 2 is rotatably set on the translation frame 7. The first pipe-bearing frame 8 is located on one side of the frame 1, and the second pipe-bearing frame 9 is located on the side of the first pipe-bearing frame 8 away from the frame 1. There are two pipe-bearing members 10, which are respectively slidably set on the first pipe-bearing frame 8 and the second pipe-bearing frame 9. The pipe-bearing members 10 are used for supporting pipelines. There are a plurality of pipe fixing members 11, which are respectively set on the first pipe-bearing frame 8 and the second pipe-bearing frame 9 for fixing pipelines.

[0104] In this embodiment, the translation frame 7 plays an important auxiliary role in the entire pipeline processing equipment. It can move smoothly on the frame 1, providing additional freedom of movement for the support frame 2. The translation frame 7 is connected to the frame 1 through a high-precision guide rail and slider structure, such as a linear ball guide rail or a slide rail cylinder design, to ensure the straightness and stability of the translation frame 7 during movement. When processing the groove, while the support frame 2 rotates, the tool is driven to the corresponding processing depth by the movement of the translation frame 7, so that the processing can be completed quickly and accurately, greatly improving the flexibility and adaptability of the equipment.

[0105] The first pipe support 8 and the second pipe support 9 are respectively located on both sides of the frame 1, and they jointly undertake the important task of supporting the pipeline. The pipe support member 10 is slidably arranged on the pipe support, and its surface is usually wrapped with soft materials such as rubber or polyurethane to prevent scratching the surface of the pipeline during the process of supporting the pipeline. The sliding function of the pipe support member 10 can adapt to the processing requirements of pipelines with different lengths. When installing the pipeline, the position of the pipe support member 10 on the pipe support can be adjusted according to the actual length of the pipeline, so that the pipeline can be stably supported.

[0106] The pipe fixing members 11 are distributed on the first pipe support 8 and the second pipe support 9 and are used to firmly fix the pipeline on the pipe support. The pipe fixing members 11 can adopt a clamping structure and realize the clamping and loosening of the pipeline by adjusting bolts or hydraulic devices, or can also be fixed by the rope clamps or chain clamps shown in the figure. To ensure that during the processing, the pipeline will not displace or shake. When performing high-precision bevel cutting, if the pipeline has a slight displacement, it may cause deviations in the bevel angle and depth, thus affecting the subsequent welding quality.

[0107] Furthermore, both the first pipe support 8 and the second pipe support 9 include a base 801. The base 801 is located on one side of the frame 1, and a lifting platform 802 is arranged on the base 801 in a lifting manner, and the pipe support member 10 is slidably arranged on the lifting platform 802.

[0108] In this embodiment, the bases 801 of the first pipe support 8 and the second pipe support 9 serve as the basic parts of the entire pipe support structure, providing a stable installation platform for subsequent components and bearing the main weight load. The lifting platform 802 is arranged on the base 801 in a lifting manner. The mechanism for realizing this lifting function can be a hydraulic jack system, a lead screw nut lifting mechanism, or a rack and pinion lifting device, etc. Taking the hydraulic jack system as an example, it consists of a hydraulic pump, a hydraulic cylinder, and a control valve, etc. By controlling the hydraulic pump to inject or discharge hydraulic oil into the hydraulic cylinder, the piston is pushed to move, thereby realizing the precise lifting of the lifting platform 802. This lifting method has the advantages of large bearing capacity, stable lifting, and high precision. The lifting precision can be controlled within ±0.5 mm. The lead screw nut lifting mechanism relies on the motor to drive the lead screw to rotate, and the nut drives the lifting platform 802 to move up and down along the lead screw. Its structure is relatively simple, the cost is low, and it can also achieve relatively precise position control. The pipe support member 10 is slidably arranged on the lifting platform 802, and special guide grooves are provided on the lifting platform 802. The pipe support member 10 is connected through a matching fixing member to ensure that it can slide smoothly left and right on the lifting platform 802. Through the design of the lifting platform 802, the equipment can process products with different pipe diameters.

[0109] Furthermore, the socket fitting 10 includes a socket base 1001 which has a slide rail 1002. A sliding member 1003 is slidably arranged on the slide rail 1002. There are two sliding members 1003, and a fixing space 1004 is formed between the two sliding members 1003 for fixing a pipeline.

[0110] In this embodiment, the socket base 1001 of the socket fitting 10 serves as a basic support structure, and the slide rail 1002 it has provides accurate guidance for the sliding of subsequent components. There are two sliding members 1003 which are slidably arranged on the slide rail 1002, and the fixing space 1004 formed between them is a key area for fixing a pipeline. When installing the pipeline, the pipeline is placed in the fixing space 1004, and the two sliding members 1003 can slide relatively according to the diameter of the pipeline for adjustment. This adjustable fixing method has strong adaptability and can meet the support and fixing requirements of pipelines with different diameter specifications. Moreover, through the sliding adjustment of the sliding members 1003 on the slide rail 1002, compared with traditional socket fittings with fixed sizes, it can fit the outer surface of the pipeline more accurately, reducing situations such as shaking and displacement of the pipeline during the processing due to loose fixing or mismatched sizes, thereby improving the stability during the pipeline processing.

[0111] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A beveling machine for pipe processing, which is used for beveling large-diameter pipes, and is characterized in that, Comprising: A frame (1); A support frame (2), the support frame (2) is rotatably and movably arranged relative to the frame (1), and the support frame (2) has a chute (201); A cutting member (3), the cutting member (3) is slidably arranged in the chute (201), and the cutting member (3) is used for bevel processing of the pipeline; A flattening member (4), the flattening member (4) is slidably arranged in the chute (201), and is located at both ends of the chute (201) respectively with the cutting member (3), and the flattening member (4) is used for flattening the end of the pipeline before bevel processing of the pipeline; A pre-grinding member (5), the pre-grinding member (5) is arranged on the flattening member (4) and is used for pre-grinding before flattening the end of the pipeline; A root face cutter (6), the root face cutter (6) is arranged on the flattening member (4) and is located on the side of the flattening member (4) away from the pre-grinding member (5), and is used for root face processing of the pipeline bevel; The flattening member (4) includes: A sliding seat (401), the sliding seat (401) is slidably arranged in the chute (201), the sliding seat (401) has a first adjustment groove (4011) and a second adjustment groove (4012), the root face cutter (6) is slidably arranged in the second adjustment groove (4012), the first adjustment groove (4011) and the second adjustment groove (4012) are vertically arranged, the first adjustment groove (4011) is located on one side of the sliding seat (401), and the second adjustment groove (4012) penetrates through the sliding seat (401); A flattening cutter (402), the flattening cutter (402) is slidably arranged in the first adjustment groove (4011); A top member (403), the top member (403) is slidably arranged in the first adjustment groove (4011) and is located on one side of the flattening cutter (402), the top member (403) is used for installing the pre-grinding member (5), the pre-grinding member (5) has a relief groove (501), and the flattening cutter (402) is located in the relief groove (501).

2. The beveling machine for pipe processing according to claim 1, characterized in that, The cutting member (3) includes: A cutting seat (301), the cutting seat (301) is slidably arranged in the chute (201), the cutting seat (301) has a mounting portion (3011), the mounting portion (3011) has a positioning groove (3012), and the inner wall of the positioning groove (3012) has a locking hole (3013); A cutting tool (302), the cutting tool (302) is swingably arranged on the mounting portion (3011); A pressing member (303), the pressing member (303) is arranged in the positioning groove (3012) and presses on the cutting tool (302) for fixing the cutting tool (302), the pressing member (303) has a locking hole (3031), and the locking hole (3031) leads to the locking hole (3013); A locking member (304), the locking member (304) is rotatably arranged on the pressing member (303), the locking member (304) penetrates through the locking hole (3031) and extends into the locking hole (3013). After the locking member (304) rotates, the locking member (304) locks or unlocks with the cutting seat (301).

3. The beveling machine for pipe processing according to claim 2, wherein, The cutting tool (302) has a mounting hole (3021) and a fixing hole (3022). The mounting hole (3021) and the fixing hole (3022) are respectively located at the end and the middle of the cutting tool (302). The pressing member (303) has a fixing portion (3034) and an abutting portion (3032). The fixing portion (3034) is pressed in the fixing hole (3022). The fixing portion (3034) has a notch (3033). The bottom wall of the fixing hole (3022) has a protrusion (3023). The notch (3033) is used to accommodate the protrusion (3023). The abutting portion (3032) abuts against the cutting tool (302).

4. A beveling machine for pipe processing according to claim 2, characterized in that, The locking member (304) has a first locking portion (3041). The locking hole (3013) has a first locking groove (3035). The locking hole (3031) has a second locking groove (3036). After the locking member (304) rotates, the first locking portion (3041) slides into or out of the first locking groove (3035). The locking member (304) has an inner cavity (3042) and an arc-shaped groove (3043). The inner cavity (3042) leads to the arc-shaped groove (3043). The arc-shaped groove (3043) leads to the second locking groove (3036). The locking member (304) further includes: A positioning bead (3044), the positioning bead (3044) is movably arranged in the arc-shaped groove (3043). After the positioning bead (3044) moves, it extends from the arc-shaped groove (3043) into the second locking groove (3036). An unlocking member (3045), the unlocking member (3045) is slidably arranged in the inner cavity (3042). The unlocking member (3045) has an unlocking groove (3046). After the unlocking member (3045) slides, the positioning bead (3044) slides into or out of the unlocking groove (3046). A first elastic member (3047), one end of the first elastic member (3047) acts on the inner cavity (3042), and the other end acts on the unlocking member (3045), providing a force for the locking member (304) to slide out of the inner cavity (3042).

5. A beveling machine for pipe processing according to claim 1, characterized in that, The leveling tool (402) has a threaded hole (4021). The top member (403) includes: A first support member (4031), the first support member (4031) is slidably arranged in the first adjustment groove (4011). A second support member (4032), the second support member (4032) is movably arranged relative to the first support member (4031), the pre-grinding member (5) is arranged on the second support member (4032), and the second support member (4032) has a connection hole (4033); A fixing bolt (4034), the fixing bolt (4034) penetrates through the connection hole (4033) and extends into the threaded hole (4021); A second elastic member (4035), one end of the second elastic member (4035) acts on the first support member (4031), and the other end acts on the second support member (4032), providing a force for the second support member (4032) to move away from the first support member (4031).

6. The beveling machine for pipe processing according to claim 1, wherein, Both the leveling cutter (402) and the pre-grinding member (5) have a conical grinding surface (502), the support frame (2) is a circular support frame (2), and the conical grinding surface (502) is eccentrically arranged with respect to the support frame (2).

7. A beveling machine for pipe processing according to claim 1, characterized in that, Further included are: A translation frame (7), the translation frame (7) is movably arranged on the machine frame (1), and the support frame (2) is rotatably arranged on the translation frame (7); A first pipe support frame (8), the first pipe support frame (8) is located on one side of the machine frame (1); A second pipe support frame (9), the second pipe support frame (9) is located on the side of the first pipe support frame (8) away from the machine frame (1); Pipe support members (10), there are two pipe support members (10), which are respectively slidably arranged on the first pipe support frame (8) and the second pipe support frame (9), and the pipe support members (10) are used for supporting the pipeline; Pipe fixing members (11), there are several pipe fixing members (11), which are respectively arranged on the first pipe support frame (8) and the second pipe support frame (9) for fixing the pipeline.

8. The beveling machine for pipe processing according to claim 7, characterized in that, Both the first pipe support frame (8) and the second pipe support frame (9) include: A base (801), the base (801) is located on one side of the machine frame (1); A lifting platform (802), the lifting platform (802) is arranged to be lifted on the base (801), and the pipe support member (10) is slidably arranged on the lifting platform (802).

9. A beveling machine for pipe processing according to claim 8, characterized in that, The pipe support member (10) includes: A pipe support seat (1001), the pipe support seat (1001) has a slide rail (1002); A sliding member (1003), the sliding member (1003) is slidably arranged on the slide rail (1002), there are two sliding members (1003), and a fixing space (1004) is formed between the two sliding members (1003), and the fixing space (1004) is used for fixing the pipeline.

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