Multifunctional pipe cutting machine

Abstract

The present invention discloses a multifunctional pipe cutting machine, comprising: a machine platform, a bent pipe clamping mechanism, a straight pipe clamping mechanism, a cutting mechanism and a first moving mechanism, wherein the bent pipe clamping mechanism, the straight pipe clamping mechanism, the cutting mechanism and the first moving mechanism are all installed on the machine platform, and the first moving mechanism drives the cutting mechanism and the bent pipe clamping mechanism to move relative to each other to achieve the advance and retreat of the cutting mechanism, and the first moving mechanism drives the cutting mechanism and the straight pipe clamping mechanism to move relative to each other to achieve the advance and retreat of the cutting mechanism. Since the multifunctional pipe cutting machine of the present invention combines the bent pipe clamping mechanism and the straight pipe clamping mechanism, one multifunctional pipe cutting machine has the ability to process bent pipes and straight pipes, thus saving costs and space.

Description

Technical Field

[0001] The invention relates to the technical field of pipe materials, in particular to a multifunctional pipe cutting machine. Background Art

[0002] Pipe processing factories usually involve processes such as cutting straight pipes and curved pipes, cutting planes, etc. There are corresponding equipment in the prior art for processing straight pipes and curved pipes respectively. However, the existing equipment is usually only able to process curved pipes or straight pipes separately. In order to process straight pipes and curved pipes, two machines need to be configured, the purchase cost of the machines is high, and they occupy a large space. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0004] The present invention provides a multifunctional pipe cutting machine, comprising: a machine platform, a bending pipe clamping mechanism, a straight pipe clamping mechanism, a cutting mechanism and a first moving mechanism, wherein the bending pipe clamping mechanism, the straight pipe clamping mechanism, the cutting mechanism and the first moving mechanism are all installed on the machine platform, and the first moving mechanism drives the cutting mechanism and the bending pipe clamping mechanism to move relative to each other to realize the advance and retreat of the cutting mechanism, and the first moving mechanism drives the cutting mechanism and the straight pipe clamping mechanism to move relative to each other to realize the advance and retreat of the cutting mechanism.

[0005] The multifunctional pipe cutting machine provided by the present invention has at least the following beneficial effects: since the multifunctional pipe cutting machine of the present invention integrates a bent pipe clamping mechanism and a straight pipe clamping mechanism, one multifunctional pipe cutting machine is capable of processing bent pipes and straight pipes, thereby saving costs and space.

[0006] As some sub-solutions of the above technical solution, the bent pipe clamping mechanism includes: a first rotation driving mechanism and a bent pipe clamping mechanism, wherein the first rotation driving mechanism is mounted on the machine platform;

[0007] The bent pipe clamping mechanism includes: a first connecting plate, a pipe clamping assembly, a first opening and closing mechanism and a first rotating mechanism; the first rotating driving mechanism is drivingly connected to the first connecting plate, and the rotation axis of the first connecting plate extends in the transverse direction; the pipe clamping assembly includes an upper clamping pipe member and a lower clamping pipe member, both of which are connected to the first connecting plate, the lower side surface of the upper clamping pipe member is provided with an upper clamping groove, the upper side surface of the lower clamping pipe member is provided with a lower clamping groove, and the upper clamping groove and the lower clamping groove are arranged oppositely; the first opening and closing mechanism is installed on the first connecting plate, and the first opening and closing mechanism drives the upper clamping pipe member and the lower clamping pipe member to move relative to each other; the first rotating mechanism is installed on the first connecting plate, and the first rotating mechanism drives the upper clamping pipe member and / or the lower pipe clamping member to rotate. When in use, the first opening and closing mechanism opens the spacing between the upper clamping groove and the lower clamping groove, and the external bent pipe is placed between the upper clamping groove and the lower clamping groove, and then the first opening and closing mechanism makes the upper clamping groove and the lower clamping groove abut against the external bent pipe, thereby completing the assembly of the bent pipe. By providing the first rotary drive mechanism to drive the first connecting plate to rotate, circumferential feeding of the workpiece can be achieved when the bent pipe is cut, and the structure is more compact and reliable.

[0008] As some sub-solutions of the above technical solution, the first connecting plate is fixedly connected to the lower connecting plate, and the lower clamping tube member is rotatably connected to the lower connecting plate via a first rotating shaft; the first opening and closing mechanism is mounted on the lower connecting plate, and the first opening and closing mechanism is drivingly connected to the upper connecting plate, and the upper clamping tube member is rotatably connected to the upper connecting plate via a second rotating shaft, and the first rotating shaft is coaxial with the second rotating shaft; the first rotating mechanism is mounted on the lower connecting plate and is drivingly connected to the first rotating shaft. When the upper clamping tube member and the lower clamping tube member are in a state of clamping the bent tube, the first rotating mechanism can realize the rotation of the upper clamping tube member and the lower clamping tube member, so that after processing one end of the bent tube, the other end can be processed later.

[0009] As some sub-solutions of the above technical solution, the pipe bending clamping mechanism further includes a first driving device, and the first driving device is used to lock the rotation of the upper clamping pipe member and / or the lower clamping pipe member. By setting the first driving device to lock the rotation of the upper clamping pipe member and / or the lower clamping pipe member, the clamping stability of the pipe bending during processing can be improved, and the processing accuracy can be improved.

[0010] As some sub-solutions of the above technical solution, the first driving device is a linear driving device, the first driving device is installed on the upper connecting plate, and the first driving device includes a first output shaft, and the first output shaft is arranged toward the upper clamping pipe. When the first driving device drives the first output shaft to extend, the first output shaft pushes into the upper clamping pipe, thereby locking the upper clamping pipe. This form is used to simply lock the upper clamping pipe. When the pipe is clamped, the upper clamping pipe is locked, that is, the entire bent pipe is also locked, thereby improving the clamping stability.

[0011] As some sub-solutions of the above technical solution, the straight pipe clamping mechanism is a centering clamping mechanism. The centering clamping mechanism can be a centering clamping mechanism commonly used in the mechanical field, such as a three-jaw chuck. The centering clamping mechanism can effectively improve the clamping accuracy when clamping the pipe, save the time of centering adjustment, and improve the clamping efficiency.

[0012] As some sub-solutions of the above technical solution, the first moving mechanism includes a first transverse driving device, a first longitudinal driving device and a first lifting device, the first transverse driving device, the first longitudinal driving device and the first lifting device are sequentially driven and connected, the cutting mechanism is a laser cutting mechanism, the laser cutting mechanism includes a laser generator, and the laser generator is driven and connected to the first lifting device. The use of a laser cutting mechanism has the advantages of high cutting accuracy, high efficiency, high cleanliness, etc. The first transverse driving device and the first longitudinal driving device are used to adjust the horizontal position of the laser cutting mechanism to move to the bent pipe clamping mechanism or the straight pipe clamping mechanism for processing, and the first lifting device adjusts the focus of the laser generator by adjusting the height of the laser generator.

[0013] As some sub-solutions of the above technical solution, the multifunctional pipe cutting machine also includes a pipe bending slag removal mechanism, and the pipe bending slag removal mechanism includes a second linear drive device and a pipe bending slag removal rod, the second linear drive device is installed on the machine platform, the second linear drive device is arranged horizontally, the second linear drive device is drivingly connected to the pipe bending slag removal rod, and the second linear drive device drives the pipe bending slag removal rod to move horizontally. When working, the second linear drive device drives the pipe bending slag removal rod to extend into the interior of one end of the pipe bending to be processed, and when the laser generator processes the pipe bending, the debris, residue, etc. generated by the laser generator when cutting the pipe bending can be attached to the pipe bending slag removal rod, thereby achieving the slag removal effect.

[0014] As some sub-schemes of the above technical scheme, the multifunctional pipe cutting machine also includes a fixed-length mechanism, the fixed-length mechanism includes a third linear drive device and a fixed-length block, the third linear drive device is installed on the machine platform, the third linear drive device is drivingly connected to the fixed-length block, the straight tube clamping mechanism includes a clamping port, and the fixed-length block intersects with the area formed by the extension along both sides of the clamping port. By setting up a fixed-length mechanism, it is possible to conveniently adjust and position the insertion length of the straight tube, thereby changing the length of the straight tube cut. The power source of the external device drives the straight tube to pass through the clamping port to extend to the fixed-length block and abut against the fixed-length block, thereby achieving the fixed length of the straight tube.

[0015] As some sub-solutions of the above technical solution, the multifunctional pipe cutting machine also includes a straight pipe slag removal mechanism, and the straight pipe slag removal mechanism also includes a straight pipe slag removal rod and a fourth linear drive device, and the fourth linear drive device is installed on the machine platform, and the fourth linear drive device is drivingly connected to the straight pipe slag removal rod, and the straight pipe slag removal rod moves back and forth toward the clamping port. When working, the fourth linear drive device drives the straight pipe slag removal rod to extend into the interior of the straight pipe, and when the laser generator processes the straight pipe, the debris, residue, etc. generated by the laser generator when cutting the straight pipe can be attached to the straight pipe slag removal rod, thereby achieving the slag removal effect.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 The structure of the embodiment of the present invention is shown in FIG. Figure 1 ;

[0019] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0020] Figure 3 It is a structural schematic diagram of the bending pipe clamping mechanism of the present invention.

[0021] In the accompanying drawings: 100-machine platform; 200-bend pipe clamping mechanism; 210-first rotating drive mechanism; 221-first connecting plate; 222-upper pipe clamping member; 223-lower pipe clamping member; 224-lower connecting plate; 225-first opening and closing mechanism; 226-first rotating mechanism; 227-upper connecting plate; 228-first driving device; 300-straight pipe clamping mechanism; 400-first moving mechanism; 410-first transverse driving device; 420-first longitudinal driving device; 430-first lifting device; 510-second linear driving device; 520-bend pipe slag removal rod; 610-third linear driving device; 620-fixed-length stopper; 710-fourth linear driving device; 720-straight pipe slag removal rod. DETAILED DESCRIPTION

[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, the meaning of "several" is an indefinite quantity, the meaning of "multiple" is more than two, "greater than", "less than", "exceed", etc. are understood as not including the number itself, and "above", "below", "within", etc. are understood as including the number itself. If there is a description of the first and the second, it is only for the purpose of distinguishing the technical features, and it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features. In addition, "and / or" appearing in the full text represents three parallel solutions. For example, A and / or B represents the solution satisfied by A, the solution satisfied by B, or the solution satisfied by both A and B.

[0025] In the description of the present invention, if there is a short sentence containing multiple parallel features, the attributive in it limits the closest feature, for example: B, C set on A, E connected to D, which means that B is set on A, E is connected to D, and does not constitute a limitation on C; but the attributives that express the relationship between features, such as "set at intervals", "circular arrangement", etc., do not belong to this category. If the word "all" is placed before the attributive, it means that all the features in the short sentence are limited, such as B, C, D all set on A, which means that B, C and D are all set on A.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] Reference Figures 1 to 3 The present invention provides an embodiment of a multifunctional pipe cutting machine, which includes: a machine platform 100, a bending pipe clamping mechanism 200, a straight pipe clamping mechanism 300, a cutting mechanism and a first moving mechanism 400, the bending pipe clamping mechanism 200, the straight pipe clamping mechanism 300, the cutting mechanism and the first moving mechanism 400 are all installed on the machine platform 100, the first moving mechanism 400 drives the cutting mechanism and the bending pipe clamping mechanism 200 to move relative to each other to realize the advance and retreat of the cutting mechanism, and the first moving mechanism 400 drives the cutting mechanism and the straight pipe clamping mechanism 300 to move relative to each other to realize the advance and retreat of the cutting mechanism.

[0028] The multifunctional pipe cutting machine of this embodiment integrates the bent pipe clamping mechanism 200 and the straight pipe clamping mechanism 300, so that one multifunctional pipe cutting machine has the ability to process bent pipes and straight pipes, saving costs and space.

[0029] Specifically, the bent pipe clamping mechanism 200 includes: a first rotation driving mechanism 210 and the bent pipe clamping mechanism 200, wherein the first rotation driving mechanism 210 is installed on the machine platform 100;

[0030] The bent pipe clamping mechanism 200 includes: a first connecting plate 221, a pipe clamping assembly, a first opening and closing mechanism 225 and a first rotating mechanism 226; the first rotating drive mechanism 210 is drivingly connected to the first connecting plate 221, and the rotation axis of the first connecting plate 221 extends laterally; the pipe clamping assembly includes an upper pipe clamping member 222 and a lower pipe clamping member 223, both of which are connected to the first connecting plate 221, the lower side surface of the upper pipe clamping member 222 is provided with an upper clamping groove, the upper side surface of the lower pipe clamping member 223 is provided with a lower clamping groove, and the upper clamping groove and the lower clamping groove are arranged oppositely; the first opening and closing mechanism 225 is installed on the first connecting plate 221, and the first opening and closing mechanism 225 drives the upper pipe clamping member 222 and the lower pipe clamping member 223 to move relative to each other; the first rotating mechanism 226 is installed on the first connecting plate 221, and the first rotating mechanism 226 drives the upper pipe clamping member 222 and / or the lower pipe clamping member to rotate. When in use, the first opening and closing mechanism 225 opens the spacing between the upper clamping groove and the lower clamping groove, and the external bent pipe is placed between the upper clamping groove and the lower clamping groove. After that, the first opening and closing mechanism 225 is that the upper clamping groove and the lower clamping groove are kept in contact with the external bent pipe, thereby completing the assembly of the bent pipe. By setting the first rotary drive mechanism 210 to drive the first connecting plate 221 to rotate, the circumferential feeding of the workpiece can be achieved when the bent pipe is cut, and the structure is more compact and reliable. In the present embodiment, the first rotating mechanism 226 is driven and connected with the lower clamping pipe member 223. In other embodiments, it can also be driven and connected with the upper clamping pipe member 222, or driven and connected with the upper clamping pipe member 222 and the lower clamping pipe member 223 at the same time. The first rotary drive mechanism 210 includes a first rotary drive device in the present embodiment, and the first rotary drive device is driven and connected with the lower clamping pipe member 223 by a belt drive. In other embodiments, it can also be connected by other commonly used connection methods in the mechanical field. The first rotary drive device can be a stepping motor, a servo motor, etc., and its main effect is to provide a rotating output shaft.

[0031] Specifically, the first connecting plate 221 is fixedly connected with a lower connecting plate 224, and the lower clamping member 223 is rotatably connected to the lower connecting plate 224 via a first rotating shaft; the first opening and closing mechanism 225 is installed on the lower connecting plate 224, and the first opening and closing mechanism 225 is drivingly connected to an upper connecting plate 227, and the upper clamping member 222 is rotatably connected to the upper connecting plate 227 via a second rotating shaft, and the first rotating shaft is coaxial with the second rotating shaft; the first rotating mechanism 226 is installed on the lower connecting plate 224 and is drivingly connected to the first rotating shaft. When the upper clamping member 222 and the lower clamping member 223 are in a state of clamping the bent pipe, the first rotating mechanism 226 can realize the rotation of the upper clamping member 222 and the lower clamping member 223, so that it is convenient to process the other end after processing one end of the bent pipe. In this embodiment, the first rotation driving mechanism 210 includes a second rotation driving device, which is driven and connected to the lower clamping tube member 223 by belt transmission. In other embodiments, other commonly used connection methods in the mechanical field can also be used for connection.

[0032] Specifically, the bent pipe clamping mechanism 200 further includes a first driving device 228, which is used to lock the rotation of the upper clamping pipe member 222 and / or the lower clamping pipe member 223. By providing the first driving device 228 to lock the rotation of the upper clamping pipe member 222 and / or the lower clamping pipe member 223, the clamping stability of the bent pipe during processing can be improved, and the processing accuracy can be improved.

[0033] Specifically, in the present embodiment, the first drive device 228 is a linear drive device, and the first drive device 228 is mounted on the upper connecting plate 227. The first drive device 228 includes a first output shaft, and the first output shaft is arranged toward the upper clamping pipe member 222. When the first drive device 228 drives the first output shaft to extend, the first output shaft pushes into the upper clamping pipe member 222, thereby locking the upper clamping pipe member 222. This form is used to simply lock the upper clamping pipe member 222. When the pipe is clamped, the upper clamping pipe member 222 is locked, and the entire bent pipe is also locked, thereby improving the clamping stability. The linear drive device can be a pneumatic push rod, an electric push rod, a hydraulic push rod, etc., and its main effect is to provide an output end for linear motion.

[0034] Specifically, the straight tube clamping mechanism 300 is a centering clamping mechanism. The centering clamping mechanism can be a centering clamping mechanism commonly used in the mechanical field, such as a three-jaw chuck, an opening and closing mechanism including a V-shaped collet, etc. The centering clamping mechanism can effectively improve the clamping accuracy when clamping the pipe, save the time of centering adjustment, and improve the clamping efficiency.

[0035] Specifically, the first moving mechanism 400 includes a first transverse driving device 410, a first longitudinal driving device 420 and a first lifting device 430, the first transverse driving device 410, the first longitudinal driving device 420 and the first lifting device 430 are sequentially driven and connected, the cutting mechanism is a laser cutting mechanism, the laser cutting mechanism includes a laser generator, and the laser generator is driven and connected to the first lifting device 430. The use of a laser cutting mechanism has the advantages of high cutting accuracy, high efficiency, high cleanliness, etc. The first transverse driving device 410 and the first longitudinal driving device 420 are used to adjust the horizontal position of the laser cutting mechanism to move to the bent pipe clamping mechanism 200 or the straight pipe clamping mechanism 300 for processing, and the first lifting device 430 adjusts the focus of the laser generator by adjusting the height of the laser generator. The first transverse driving device 410, the first longitudinal driving device 420 and the first lifting device 430 can all be pneumatic push rods, electric push rods, hydraulic push rods, linear modules, etc., and their main effect is to provide an output end for linear motion. In this embodiment, the first transverse driving device 410 is a screw mechanism driven by a hand wheel, and the first longitudinal driving device 420 and the first lifting device 430 are both linear modules.

[0036] Specifically, the multifunctional pipe cutting machine further includes a pipe bending slag removal mechanism, which includes a second linear drive device 510 and a pipe bending slag removal rod 520. The second linear drive device 510 is installed on the machine platform 100, and the second linear drive device 510 is arranged horizontally. The second linear drive device 510 is connected to the pipe bending slag removal rod 520 for driving, and the second linear drive device 510 drives the pipe bending slag removal rod 520 to move horizontally. When working, the second linear drive device 510 drives the pipe bending slag removal rod 520 to extend into the interior of the end of the pipe bending to be processed. When the laser generator processes the pipe bending, the fragments and residues generated by the laser generator when cutting the pipe bending can be attached to the pipe bending slag removal rod 520, thereby achieving the effect of slag removal. In this embodiment, the second linear drive device 510 can be a pneumatic push rod, an electric push rod, a hydraulic push rod, a linear module, a linear module, a screw mechanism, etc., and its main effect is to provide an output end of linear motion. The outer circumference of the curved tube slag removal rod 520 may also be detachably covered with a silicone sleeve to better absorb the residue, and the slag removal rod can be cleaned by replacing the silicone sleeve.

[0037] Specifically, the multifunctional pipe cutting machine also includes a fixed length mechanism, and the fixed length mechanism includes a third linear drive device 610 and a fixed length block 620. The third linear drive device 610 is installed on the machine platform 100, and the third linear drive device 610 is drivingly connected to the fixed length block 620. The straight tube clamping mechanism 300 includes a clamping port, and the fixed length block 620 intersects with the area formed by extending along both sides of the clamping port. By setting the fixed length mechanism, it is possible to conveniently adjust and position the insertion length of the straight tube, thereby changing the length of the straight tube cut. The power source of the external device drives the straight tube to pass through the clamping port and extend to the fixed length block 620 and abut against the fixed length block 620, thereby achieving the fixed length of the straight tube. The third linear drive device 610 can be a pneumatic push rod, an electric push rod, a hydraulic push rod, a linear module, a linear module, a screw mechanism, etc.

[0038] Specifically, the multifunctional pipe cutting machine further includes a straight pipe deslagging mechanism, and the straight pipe deslagging mechanism further includes a straight pipe deslagging rod 720 and a fourth linear drive device 710, and the fourth linear drive device 710 is installed on the machine platform 100, and the fourth linear drive device 710 is drivingly connected to the straight pipe deslagging rod 720, and the straight pipe deslagging rod 720 moves back and forth toward the clamping port. During operation, the fourth linear drive device 710 drives the straight pipe deslagging rod 720 to extend into the interior of the straight pipe. When the laser generator processes the straight pipe, the fragments, residues, etc. generated by the laser generator cutting the straight pipe can be attached to the straight pipe deslagging rod 720, thereby achieving the deslagging effect. In this embodiment, the fourth linear drive device 710 can be a pneumatic push rod, an electric push rod, a hydraulic push rod, a linear module, a linear module, a screw mechanism, etc., and the outer periphery of the straight pipe deslagging rod 720 can also be detachably provided with a silicone sleeve to better absorb the residue, and the deslagging rod can be cleaned by replacing the silicone sleeve. The fourth linear drive device 710 in this embodiment is a linear module.

[0039] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present invention.

Claims

1. Multifunctional pipe cutting machine, characterized by: include: A machine platform (100), a bent tube clamping mechanism (200), a straight tube clamping mechanism (300), a cutting mechanism and a first moving mechanism (400), wherein the bent tube clamping mechanism (200), the straight tube clamping mechanism (300), the cutting mechanism and the first moving mechanism (400) are all installed on the machine platform (100), the first moving mechanism (400) drives the cutting mechanism and the bent tube clamping mechanism (200) to move relative to each other so as to achieve the cutting mechanism's advance and retreat, and the first moving mechanism (400) drives the cutting mechanism and the straight tube clamping mechanism (300) to move relative to each other. The straight tube clamping mechanism (300) is a centering clamping mechanism, the first moving mechanism (400) comprises a first transverse driving device (410), a first longitudinal driving device (420) and a first lifting device (430), the first transverse driving device (410), the first longitudinal driving device (420) and the first lifting device (430) are sequentially driven and connected, the cutting mechanism is a laser cutting mechanism, the laser cutting mechanism comprises a laser generator, and the laser generator is driven and connected to the first lifting device (430); The bent pipe clamping mechanism (200) comprises: A first rotation driving mechanism (210), wherein the first rotation driving mechanism (210) is installed on the machine platform (100); A bent pipe clamping mechanism (200), the bent pipe clamping mechanism (200) comprising: a first connecting plate (221), the first rotating drive mechanism (210) being drivingly connected to the first connecting plate (221), and a rotating axis of the first connecting plate (221) extending in a transverse direction; A tube clamping assembly, the tube clamping assembly comprising an upper tube clamping member (222) and a lower tube clamping member (223), the upper tube clamping member (222) and the lower tube clamping member (223) are both connected to the first connecting plate (221), the lower side surface of the upper tube clamping member (222) is provided with an upper clamping groove, the upper side surface of the lower tube clamping member (223) is provided with a lower clamping groove, and the upper clamping groove and the lower clamping groove are arranged opposite to each other; A first opening and closing mechanism (225), wherein the first opening and closing mechanism (225) is installed on the first connecting plate (221), and the first opening and closing mechanism (225) drives the upper clamping tube member (222) and the lower clamping tube member (223) to move relative to each other; A first rotating mechanism (226), wherein the first rotating mechanism (226) is installed on the first connecting plate (221), and the first rotating mechanism (226) drives the upper pipe clamping member (222) and / or the lower pipe clamping member to rotate.

2. The multifunctional pipe cutting machine according to claim 1, characterized in that: A lower connecting plate (224) is fixedly connected to the first connecting plate (221), and the lower clamping tube member (223) is rotatably connected to the lower connecting plate (224) via a first rotating shaft; the first opening and closing mechanism (225) is mounted on the lower connecting plate (224), and the first opening and closing mechanism (225) is drivingly connected to an upper connecting plate (227), and the upper clamping tube member (222) is rotatably connected to the upper connecting plate (227) via a second rotating shaft, and the first rotating shaft is coaxial with the second rotating shaft; the first rotating mechanism (226) is mounted on the lower connecting plate (224) and is drivingly connected to the first rotating shaft.

3. The multifunctional pipe cutting machine according to claim 2, characterized in that: The bent pipe clamping mechanism (200) further comprises a first driving device (228), wherein the first driving device (228) is used to lock the rotation of the upper pipe clamping member (222) and / or the lower pipe clamping member (223).

4. The multifunctional pipe cutting machine according to claim 3, characterized in that: The first driving device (228) is a linear driving device, the first driving device (228) is installed on the upper connecting plate (227), and the first driving device (228) comprises a first output shaft, and the first output shaft is arranged toward the upper clamping tube member (222).

5. The multifunctional pipe cutting machine according to claim 1, characterized in that: The multifunctional pipe cutting machine also includes a pipe bending and slag removal mechanism, which includes a second linear drive device (510) and a pipe bending and slag removal rod (520). The second linear drive device (510) is installed on the machine platform (100). The second linear drive device (510) is arranged horizontally. The second linear drive device (510) is drivingly connected to the pipe bending and slag removal rod (520). The second linear drive device (510) drives the pipe bending and slag removal rod (520) to move horizontally.

6. The multifunctional pipe cutting machine according to claim 1, characterized in that: The multifunctional pipe cutting machine also includes a fixed-length mechanism, which includes a third linear drive device (610) and a fixed-length stop block (620). The third linear drive device (610) is installed on the machine platform (100), and the third linear drive device (610) is drivingly connected to the fixed-length stop block (620). The straight pipe clamping mechanism (300) includes a clamping opening, and the fixed-length stop block (620) intersects with an area formed by extending along both sides of the clamping opening.

7. The multifunctional pipe cutting machine according to claim 6, characterized in that: The multifunctional pipe cutting machine also includes a straight pipe slag removal mechanism, and the straight pipe slag removal mechanism also includes a straight pipe slag removal rod (720) and a fourth linear drive device (710). The fourth linear drive device (710) is installed on the machine platform (100), and the fourth linear drive device (710) is drivingly connected to the straight pipe slag removal rod (720), and the straight pipe slag removal rod (720) moves back and forth toward the clamping port.

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