Pipe cutting device

Abstract

The utility model relates to the technical field of pipe machining, in particular to a pipe cutting device which comprises a rotating rack used for being connected with a pipe and further comprises a supporting seat, a fixing seat and a rotating mechanism, the supporting seat is connected with the fixing seat through the rotating mechanism, and a limiting mechanism and a cutting mechanism are arranged on the supporting seat. The limiting mechanism comprises an abutting limiting assembly and a position adjusting assembly connected with the abutting limiting assembly, the fixed end of the position adjusting assembly is connected with the supporting base, and the abutting limiting assembly is located at the position close to the rotating shaft end of the rotating mechanism. The abutting and limiting assembly is used for abutting and limiting the fixing base. According to the utility model, the feed amount of the cutter can be accurately adjusted, so that accurate cutting is realized, and meanwhile, the cutting efficiency and the cutting stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe processing, and more specifically, to a pipe cutting device. Background Art

[0002] Carat tube is a hot-wound high-density polyethylene wound structural wall tube. Carat tube is made of high-density polyethylene resin as the main raw material, using hot-wound technology and polypropylene single-wall corrugated tube as the supporting structure to form a special structural wall tube with high external pressure resistance. Its production process and technology are more complicated than PVC pipes, PE solid wall pipes and other pipes.

[0003] Among them, the carat tube end cutting process plays an important role as a part of the entire tube production process. At present, the carat tube end cutting process requires employees to operate the cutting machine alone to process the tube end to obtain the end size that meets the application scenario requirements. The entire cutting process is time-consuming and the end size is greatly affected by the employee's operation.

[0004] In the currently available cutting devices, although the feed rate of the cutting blade can be adjusted, the adjustment effect is not ideal, and the entire cutting process requires manual operation, resulting in low cutting efficiency and low cutting stability. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a pipe cutting device that can accurately adjust the feed amount of the cutting blade, thereby achieving precise cutting, while improving cutting efficiency and cutting stability.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A pipe cutting device is provided, comprising a rotating frame for connecting with the pipe, and also comprising a supporting seat, a fixed seat, and a rotating mechanism, wherein the supporting seat is connected with the fixed seat through the rotating mechanism, and a limiting mechanism and a cutting mechanism are arranged on the supporting seat; the limiting mechanism comprises an abutting limiting assembly and a position adjusting assembly connected with the abutting limiting assembly, the fixed end of the position adjusting assembly is connected with the supporting seat, and the abutting limiting assembly is located near the end of the rotating shaft of the rotating mechanism, and the abutting limiting assembly is used for abutting and limiting with the fixed seat; a control device is also provided, and the rotating frame, the rotating mechanism, the position adjusting assembly, and the cutting mechanism are all electrically connected with the control device.

[0008] The utility model has a rotating frame for supporting and rotating the pipe; the supporting seat and the fixing seat are used to connect various components; the rotating mechanism enables the supporting seat to rotate with the rotating shaft end of the rotating mechanism as the axis, thereby driving the cutting mechanism to approach the pipe, thereby adjusting the feed amount of the cutting end of the cutting mechanism; the fixing seat is used to connect various components; the abutment limit assembly is movably abutted against the fixing seat through the position adjustment assembly, and is used to limit the rotation range of the supporting seat, thereby limiting the feed amount of the cutting end of the cutting mechanism, so as to achieve the purpose of accurately controlling the feed amount; the cutting mechanism is used to cut the pipe.

[0009] Preferably, the limiting mechanism further comprises a fixing box, the position adjustment component is arranged on the fixing box, the abutting limiting component passes through the fixing box and is slidably connected to the fixing box, and the fixing box is connected to the support seat. The fixing box is used to protect and fix the abutting limiting component and the position adjustment component, and can also serve as a bridge connecting the support seat and the limiting mechanism. Through the design of the fixing box, the stability and durability of the entire limiting mechanism can also be improved.

[0010] Preferably, a baffle is connected to the abutment limit assembly, and the limit mechanism further includes a position sensor for detecting the position of the baffle, the position sensor is mounted on the fixing box and arranged corresponding to the baffle, and the position sensor is electrically connected to the control device. The baffle moves with the abutment limit assembly, and when the baffle moves to the position corresponding to the position sensor, the baffle blocks the light path emitted by the position sensor, and the position sensor outputs an action signal to the control device.

[0011] Preferably, the fixing box is provided with a first sliding part, the first sliding part is extended along the sliding direction of the abutment limit assembly, and the position sensor is connected to the first sliding part through a locking member. The position of the position sensor can be adjusted through the first sliding part, and then the position of the position sensor is fixed by the locking member.

[0012] Preferably, the fixing seat is provided with a platform for abutting against the abutment and limiting assembly, and the platform is located below the abutment and limiting assembly. The provision of the platform can effectively prevent the support seat from over-rotating during the rotation process.

[0013] Preferably, the position adjustment component includes an active end and a driven end connected to the active end, the active end is electrically connected to the control device; the abutment and limiting component includes a guide rod, a connecting piece, and a clamping piece, the guide rod is slidably connected to the fixed box through the connecting piece, and the guide rod is connected to the driven end through the clamping piece. The guide rod can be movably abutted against the platform through the active end, thereby preventing the support seat from excessively rotating during the rotation process, thereby accurately controlling the feed amount of the cutting end of the cutting mechanism.

[0014] Preferably, the guide rod includes a threaded section and a bare rod section connected to the threaded section, the clamping member is a nut, and the threaded section is transmission-connected to the driven end via the nut; the connecting member is a first bearing, and the bare rod section is connected to the fixed box via the first bearing.

[0015] Preferably, the active end includes an active shaft, an active gear, and a motor, the output end of the motor is connected to the active gear through the active shaft, and the motor base is connected to the fixed box; the passive end includes a passive gear, the passive gear is meshed with the active gear, the passive gear is coaxially connected to the clamping member, and the motor is electrically connected to the control device. This arrangement can improve transmission efficiency and ensure transmission stability and accuracy.

[0016] Preferably, it further comprises a cooling mechanism disposed on the support seat, the blowing end of the cooling mechanism faces the cutting end of the cutting mechanism, and the cooling mechanism is electrically connected to the control device; it also comprises a temperature sensor for detecting the temperature of the pipe, the temperature sensor is disposed toward the rotating frame, and the temperature sensor is electrically connected to the control device. The temperature sensor is used to detect the temperature of the pipe. When the temperature sensor detects that the temperature of the pipe is too high, it transmits a signal to the control device, and the control device controls the cooling mechanism to start, thereby reducing the temperature of the pipe.

[0017] Preferably, the rotating mechanism comprises a telescopic member and a rotating shaft, two ends of the telescopic member are respectively connected to the fixing seat and the supporting seat, the supporting seat is rotationally connected to the fixing seat via the rotating shaft, and the telescopic member is electrically connected to the control device.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The temperature of the pipe surface is monitored in real time by the temperature sensor, and the cooling mechanism is used to quickly cool the pipe surface locally, thereby reducing the influence of temperature on the cutting process and improving cutting efficiency; improving processing efficiency; the position sensor can limit the range of movement of the guide rod; before cutting, the position of the position sensor can be adjusted according to different sizes of carat pipes to improve cutting efficiency; the abutment limit assembly can achieve active abutment with the platform through the position adjustment assembly, thereby controlling the telescopic amount of the telescopic part, and then controlling the feed amount of the cutting end of the cutting mechanism. The utility model can realize accurate adjustment of the feed amount, thereby realizing precise cutting, and can also reduce the influence of temperature on the cutting process, thereby improving cutting efficiency and cutting stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a pipe cutting device of the utility model;

[0021] Figure 2 This is a structural schematic diagram of a pipe cutting device of the utility model from another perspective;

[0022] Figure 3 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the limiting mechanism of the utility model.

[0024] The illustrations are as follows:

[0025] 1. Rotating frame; 2. Support seat; 3. Fixed seat; 31. Platform; 4. Limiting mechanism; 41. Abutting limiting assembly; 411. Guide rod; 4111. Threaded section; 4112. Light rod section; 412. Connecting piece; 413. Snap-fit ​​piece; 414. Baffle; 415. Sleeve; 416. Second bearing; 417. Limiting nesting; 42. Position adjustment assembly; 421. Active shaft; 422. Active gear; 423. Driven gear; 424. Motor; 43. Fixed box; 431. First sliding part; 44. Position sensor; 5. Cutting mechanism; 6. Rotating mechanism; 61. Telescopic piece; 62. Rotating shaft; 7. Cooling mechanism; 8. Temperature sensor; 9. Fixed frame; 10. Pipe. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0027] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships, they are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0032] Embodiment 1

[0033] like Figures 1 to 3The figure shows a first embodiment of a pipe cutting device of the utility model, comprising a rotating frame 1 for connecting to a pipe 10, and also comprising a support seat 2, a fixed seat 3, and a rotating mechanism 6. The support seat 2 is connected to the fixed seat 3 through the rotating mechanism 6, and a limiting mechanism 4 and a cutting mechanism 5 are provided on the support seat 2; the limiting mechanism 4 comprises an abutting limiting component 41 and a position adjusting component 42 connected to the abutting limiting component 41, the fixed end of the position adjusting component 42 is connected to the support seat 2, and the abutting limiting component 41 is located near the end of the rotating shaft of the rotating mechanism 6, and the abutting limiting component 41 is used for abutting and limiting with the fixed seat 3; a control device is also included, and the rotating frame 1, the rotating mechanism 6, the position adjusting component 42, and the cutting mechanism 5 are all electrically connected to the control device.

[0034] When the utility model is working, the rotating frame 1 is used to support the pipe 10 and rotate the pipe 10 around its axis; the support seat 2 and the fixed seat 3 are used to connect various components; the rotating mechanism 6 enables the support seat 2 to rotate with the rotating shaft end of the rotating mechanism 6 as the axis, thereby driving the cutting mechanism 5 to approach the pipe 10, thereby adjusting the feed amount of the cutting end of the cutting mechanism 5; the abutment limit component 41 is movably abutted against the fixed seat 3 through the position adjustment component 42, which is used to limit the rotation range of the support seat 2, thereby limiting the feed amount of the cutting end of the cutting mechanism 5, so as to achieve the purpose of accurately controlling the feed amount; the cutting mechanism 5 is used to cut the pipe 10. The utility model is suitable for cutting carat pipes. It should be noted that the pipe 10 is mounted on the rotating frame 1 through a clamping member and is arranged close to the cutting end of the cutting mechanism 5. During the cutting process, the rotating frame 1 causes the pipe 10 to rotate around its axis, so that the cutting end of the cutting mechanism 5 can evenly cut the pipe 10. The rotating frame 1 and the cutting mechanism 5 are both prior art and will not be described in detail here. In this embodiment, the control device may be a PLC controller.

[0035] The limiting mechanism 4 further includes a fixing box 43, the position adjustment component 42 is arranged on the fixing box 43, the abutting limiting component 41 passes through the fixing box 43 and is slidably connected to the fixing box 43, and the fixing box 43 is connected to the support seat 2. The fixing box 43 is used to protect and fix the abutting limiting component 41 and the position adjustment component 42, and can also serve as a bridge connecting the support seat 2 and the limiting mechanism 4. In this embodiment, the fixing box 43 is connected to the support seat 2 by bolts, which can make it more convenient to install and disassemble the limiting mechanism 4, and at the same time improve the stability and durability of the entire limiting mechanism 4.

[0036] Specifically, the abutment and limit assembly 41 is connected with a baffle 414, and the limit mechanism 4 further includes a position sensor 44 for detecting the position of the baffle 414. The position sensor 44 is mounted on the fixing box 43 and is arranged corresponding to the baffle 414. The position sensor 44 is electrically connected to the control device. The baffle 414 moves with the abutment and limit assembly 41. When the baffle 414 moves to the position corresponding to the position sensor 44, the baffle 414 blocks the light path emitted by the position sensor 44, and the position sensor 44 outputs an action signal to the control device. After receiving the signal, the control device will perform a corresponding operation according to a preset program.

[0037] like Figure 2 As shown, the fixing box 43 is provided with a first sliding portion 431, the first sliding portion 413 is extended along the sliding direction of the abutment limit assembly 41, and the position sensor 44 is connected to the first sliding portion 431 through a locking member. The position of the position sensor 44 can be adjusted in the sliding direction of the abutment limit assembly 41 by the first sliding portion 413, and then the position of the position sensor 44 is fixed by the locking member. Specifically, the first sliding portion 413 is a first waist-shaped through hole, the locking member is a bolt, and the position sensor 44 is connected to the fixing box 43 by the bolt passing through the first waist-shaped through hole.

[0038] like Figure 1 As shown, the fixing seat 3 is provided with a platform 31 for abutting against the abutting limit assembly 41, and the platform 31 is located below the abutting limit assembly 41. The arrangement of the platform 31 can effectively prevent the supporting seat 2 from excessively rotating during the rotation process.

[0039] In the present embodiment, three position sensors 44 are arranged along the extension direction of the first waist-shaped through hole, wherein the position sensor 44 at the top and the position sensor 44 at the bottom are used to limit the maximum movable range of the abutment limit assembly 41, and the position sensor 44 in the middle is used to calibrate the initial position of the baffle 414. It should be noted that the initial position of the baffle 414 refers to the position of the baffle 414 when the cutting end of the cutting mechanism 5 is infinitely close to the pipe 10 and the abutment limit assembly 41 is abutted against the platform 31; this arrangement can improve the cutting efficiency.

[0040] Embodiment 2

[0041] This embodiment is similar to the first embodiment, except that in this embodiment, Figure 3 and Figure 4As shown, the position adjustment component 42 includes an active end and a driven end connected to the active end, and the active end is electrically connected to the control device; the abutment and limiting component 41 includes a guide rod 411, a connecting piece 412, and a clamping piece 413. The guide rod 411 is slidably connected to the fixed box 43 through the connecting piece 412, and the guide rod 411 is transmission-connected to the driven end through the clamping piece 413. The guide rod 411 can be driven to abut against the platform 31 by the active end, thereby preventing the support seat 2 from excessively rotating during the rotation process, and then accurately controlling the feed amount of the cutting end of the cutting mechanism 5.

[0042] like Figure 4 As shown, the active end includes an active shaft 421, an active gear 422, and a motor 424. The output end of the motor 424 is connected to the active gear 422 through the active shaft 421, and the base of the motor 424 is connected to the fixed box 43; the driven end includes a driven gear 423, the driven gear 423 is meshed with the active gear 422, the driven gear 423 is coaxially connected to the clamping member 413, and the motor 424 is electrically connected to the control device. This setting can improve the transmission efficiency and ensure the stability and accuracy of the transmission. In this embodiment, the motor 424 is a servo motor. The servo motor has a large starting torque, a wide operating range, no self-rotation, and high linearity, which is conducive to accurately controlling the movement of the guide rod 411.

[0043] The guide rod 411 includes a threaded section 4111 and a polished rod section 4112 connected to the threaded section 4111. The clamping member 413 is a nut. The threaded section 4111 is connected to the driven gear 423 through the nut. The nut is clamped to the inner ring of the driven gear 423. The connecting member 412 is a first bearing. The polished rod section 4112 is connected to the fixed box 43 through the first bearing. Preferably, the cross-sectional area of ​​the polished rod section 4112 is a square or a triangle. This arrangement allows the nut to prevent the relative rotation between the guide rod 411 and the fixed box 43 while driving the guide rod 411 to move up and down.

[0044] Specifically, Figure 4 As shown, the abutment and limiting assembly 41 also includes a sleeve 415, a second bearing 416, and a limiting nest 417. The limiting nest 417 is connected to the fixed box 43 through the second bearing 416. The light rod section 4112 runs through the limiting nest 417. The two ends of the sleeve 415 are respectively abutted against the first bearing and the nut; the sleeve 415 is provided with a second waist-shaped through hole, and the baffle 414 is slidably engaged with the second waist-shaped through hole. The setting of the limiting nest 417 can further limit the relative rotation of the guide rod 411 and the fixed box 43, improve the transmission efficiency, and the setting of the sleeve 415 is conducive to improving the stability and reliability of the abutment and limiting assembly 41.

[0045] In this embodiment, the control device controls the operation of the servo motor, and the servo motor drives the driving shaft 421 to rotate, so that the driving gear 422 drives the driven gear 423 and the nut engaged with the inner ring of the driven gear 423 to rotate. The rotation of the nut drives the guide rod 411 to move up and down to achieve active contact with the platform 31.

[0046] Embodiment 3

[0047] This embodiment is similar to the first embodiment or the second embodiment, except that, in this embodiment, Figure 1 As shown, it also includes a cooling mechanism 7 arranged on the support seat 2, the blowing end of the cooling mechanism 7 faces the cutting end of the cutting mechanism 5, and the cooling mechanism 7 is electrically connected to the control device; it also includes a temperature sensor 8 for detecting the temperature of the pipe, the temperature sensor 8 is arranged toward the rotating frame 1, and the temperature sensor 8 is electrically connected to the control device. The temperature sensor 8 is used to detect the temperature of the pipe 10. When the temperature sensor 8 detects that the temperature of the pipe 10 is too high, it transmits a signal to the control device, and the control device controls the cooling mechanism 7 to start, thereby reducing the temperature of the pipe 10. In this embodiment, the cooling mechanism 7 is a cooling vortex tube, which has the advantages of high reliability and no refrigerant. It should be noted that the cooling vortex tube is a prior art and is not described here.

[0048] Specifically, Figure 1 As shown, it also includes a fixing frame 9 arranged beside the rotating frame 1, and a third waist-shaped through hole is arranged on the fixing frame 9, and the temperature sensor 8 is connected to the fixing frame 9 through the third waist-shaped through hole. The temperature sensor 8 can be adjusted in the vertical direction along the third waist-shaped through hole, so that the position of the temperature sensor 8 can be adjusted according to carat tubes of different sizes.

[0049] like Figure 1 and Figure 2 As shown, the rotating mechanism 6 includes a telescopic member 61 and a rotating shaft 62. The two ends of the telescopic member 61 are respectively connected to the fixed seat 3 and the support seat 2. The support seat 2 is rotatably connected to the fixed seat 3 through the rotating shaft 62. The telescopic member 61 is electrically connected to the control device. In this embodiment, the telescopic member 61 is a cylinder. The cylinder and the cutting mechanism 5 are both located on the side away from the rotating shaft 62, and the platform 31 is located on the side close to the rotating shaft 62.

[0050] The working principle of the pipe cutting device of the utility model is:

[0051] Before the cutting process, the telescopic end of the cylinder is extended through the control device to lift the support seat 2, so that the cutting end of the cutting mechanism 5 is constantly close to the pipe 10, and the cutting end of the cutting mechanism 5 is as close to the surface of the pipe 10 as possible. At the same time, the guide rod 411 is controlled by the control device to abut against the platform 31, thereby limiting the rotation range of the support seat 2, thereby reducing the time required to move the cutting end of the cutting mechanism 5 during the cutting process and improving the cutting efficiency; during the cutting process, the control device controls the servo motor to start, and at the same time, the cylinder lifts the support seat 2 upward, so that the cutting end of the cutting mechanism 5 approaches the surface of the pipe 10. During the approaching process, the bottom of the threaded section 4111 will abut against the platform 31, which will limit the lifting action of the cylinder, so that the cutting end of the cutting mechanism 5 cannot continue to approach the surface of the pipe 10, thereby controlling the feed amount of the cutting end of the cutting mechanism 5. At the same time, the temperature sensor 8 continuously detects the temperature of the contact portion between the surface of the pipe 10 and the cutting end of the cutting mechanism 5. If the temperature does not exceed the set temperature, the control device controls the cutting mechanism 5 to operate, and then causes the guide rod 411 to rise to a certain height, thereby causing the cylinder to continue to lift the support seat 2, so that the cutting end of the cutting mechanism 5 continues to approach the surface of the pipe 10, thereby achieving the cutting of the carat pipe; when the temperature sensor 8 detects that the surface temperature of the pipe 10 exceeds the set temperature, the control device controls the cutting mechanism 5 to stop operating, and controls the cooling mechanism 7 to start, so as to cool the surface of the pipe 10.

[0052] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A pipe cutting device, comprising a rotating frame (1) for connecting to a pipe, characterized in that: The invention also comprises a support seat (2), a fixed seat (3), and a rotating mechanism (6); the support seat (2) is connected to the fixed seat (3) via the rotating mechanism (6); a limiting mechanism (4) and a cutting mechanism (5) are provided on the support seat (2); the limiting mechanism (4) comprises an abutting limiting component (41) and a position adjusting component (42) connected to the abutting limiting component (41); a fixed end of the position adjusting component (42) is connected to the support seat (2), and the abutting limiting component (41) is located near the end of the rotating shaft of the rotating mechanism (6); the abutting limiting component (41) is used for abutting and limiting with the fixed seat (3); and a control device is also included; the rotating frame (1), the rotating mechanism (6), the position adjusting component (42), and the cutting mechanism (5) are all electrically connected to the control device.

2. A pipe cutting device according to claim 1, characterized in that: The limiting mechanism (4) further comprises a fixing box (43), the position adjustment component (42) is arranged on the fixing box (43), the abutting limiting component (41) passes through the fixing box (43) and is slidably connected to the fixing box (43), and the fixing box (43) is connected to the support seat (2).

3. A pipe cutting device according to claim 2, characterized in that: A baffle (414) is connected to the abutment limit assembly (41), and the limit mechanism (4) further comprises a position sensor (44) for detecting the position of the baffle (414), the position sensor (44) being mounted on the fixing box (43) and arranged corresponding to the baffle (414), and the position sensor (44) being electrically connected to the control device.

4. A pipe cutting device according to claim 3, characterized in that: The fixing box (43) is provided with a first sliding portion (431), the first sliding portion (431) extending along the sliding direction of the abutment limiting assembly (41), and the position sensor (44) is connected to the first sliding portion (431) via a locking member.

5. A pipe cutting device according to any one of claims 1 to 4, characterized in that: The fixing seat (3) is provided with a platform (31) for abutting against the abutment and limiting assembly (41); the platform (31) is located below the abutment and limiting assembly (41).

6. A pipe cutting device according to claim 2, characterized in that: The position adjustment component (42) comprises an active end and a driven end transmission-connected to the active end, the active end being electrically connected to the control device; the abutment limit component (41) comprises a guide rod (411), a connecting piece (412), and a clamping piece (413), the guide rod (411) being slidably connected to the fixed box (43) via the connecting piece (412), and the guide rod (411) being transmission-connected to the driven end via the clamping piece (413).

7. A pipe cutting device according to claim 6, characterized in that: The guide rod (411) comprises a threaded section (4111) and a bare rod section (4112) connected to the threaded section (4111); the clamping member (413) is a nut, and the threaded section (4111) is transmission-connected to the driven end via the nut; the connecting member (412) is a first bearing, and the bare rod section (4112) is connected to the fixing box (43) via the first bearing.

8. The tube cutting device according to claim 6, characterized in that: The active end comprises a driving shaft (421), a driving gear (422), and a motor (424); the output end of the motor (424) is connected to the driving gear (422) via the driving shaft (421); the base of the motor (424) is connected to the fixing box (43); the passive end comprises a driven gear (423); the driven gear (423) is meshed with the driving gear (422); the driven gear (423) is coaxially connected to the clamping member (413); and the motor (424) is electrically connected to the control device.

9. The tube cutting device according to claim 1, characterized in that: It also comprises a cooling mechanism (7) disposed on the support seat (2), the blowing end of the cooling mechanism (7) facing the cutting end of the cutting mechanism (5), and the cooling mechanism (7) being electrically connected to the control device; It also includes a temperature sensor (8) for detecting the temperature of the pipe, wherein the temperature sensor (8) is arranged toward the rotating frame (1), and the temperature sensor (8) is electrically connected to the control device.

10. The tube cutting device according to claim 1, characterized in that: The rotating mechanism (6) comprises a telescopic member (61) and a rotating shaft (62); two ends of the telescopic member (61) are respectively connected to the fixing seat (3) and the support seat (2); the support seat (2) is rotationally connected to the fixing seat (3) via the rotating shaft (62); and the telescopic member (61) is electrically connected to the control device.

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