Annular cutting machine

Abstract

The invention relates to the technical field of circular pipe cutting machines, in particular to an annular cutting machine which is characterized in that a rotating mechanism is arranged on a base platform; a cutting inner cavity, a pipe inlet and a pipe outlet are formed in the rotating mechanism, and the pipe inlet is communicated with the pipe outlet through the cutting inner cavity; the two clamping mechanisms are both arranged on the rotating mechanism and located on the outer side of the pipe inlet and the outer side of the pipe outlet respectively. The two clamping mechanisms are used for clamping a cutting pipe; the swing arm cutting assembly is rotationally connected with the cutting inner cavity, and the rotating mechanism is used for driving the swing arm cutting assembly to rotate; the sliding transmission assembly is rotationally connected with the cutting inner cavity, and the swing arm cutting assembly is in transmission connection with the sliding transmission assembly. The scheme improves the cutting quality and efficiency, adapts to multi-specification pipe materials, reduces cutter abrasion and comprehensive cost, and is convenient to operate and maintain.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting machines, in particular to an annular cutting machine. Background Art

[0002] Sawing machines are commonly used equipment for cutting metal profiles. Using circular saw blades, band saws, or saw blades as cutting tools, they can cut round, square, and pipe materials. However, due to their limited machining precision, they are primarily used in stock preparation workshops to cut bar and pipe stock. Traditionally, sawing is a common method for cutting pipes, but it has significant drawbacks when processing pipes: uneven cross-sections and tilted cuts are common after sawing, requiring secondary processing and trimming, increasing process costs. To address these pipe sawing challenges, optimize cutting quality and efficiency, and reduce processing costs, a circular cutting machine has been proposed, aiming to provide a more efficient and high-quality solution for pipe processing. Summary of the Invention The technical problem to be solved by the present invention is to provide a more efficient and high-quality solution for pipe processing: The solution of the present invention to solve its technical problems is: A ring cutting machine comprises a rotating mechanism, a base platform, two clamping mechanisms, a sliding transmission assembly and a swing arm cutting assembly; the rotating mechanism is arranged on the base platform; a cutting inner cavity, a pipe inlet and a pipe outlet are opened on the rotating mechanism, and the pipe inlet is connected to the pipe outlet through the cutting inner cavity; two of the clamping mechanisms are arranged on the rotating mechanism, and the two clamping mechanisms are respectively located on the outside of the pipe inlet and the pipe outlet; the two clamping mechanisms are used to clamp the cutting pipe; the swing arm cutting assembly is rotatably connected to the cutting inner cavity, and the rotating mechanism is used to drive the swing arm cutting assembly to rotate; the sliding transmission assembly is rotatably connected to the cutting inner cavity, and the swing arm cutting assembly is transmission-connected to the sliding transmission assembly.

[0003] As a further improvement of the above technical solution, the swing arm cutting assembly includes a cutting part, a first sliding module and a swinging part; the cutting part and the first sliding module are both arranged on the swinging part, the swinging part is rotationally connected to the cutting inner cavity, and the first sliding module is transmission-connected to the sliding transmission assembly.

[0004] Furthermore, the sliding transmission assembly includes a first transmission part, a mounting frame, an active synchronous wheel, a driven synchronous wheel and a first screw module; the mounting frame is rotationally connected to the cutting inner cavity, the first transmission part is arranged on the mounting frame, and the first transmission part is transmission-connected to the driven synchronous wheel through the active synchronous wheel; the first screw module is arranged on the mounting frame, the driven synchronous wheel is rotationally connected to the first screw module, and the first sliding module is transmission-connected to the first screw module.

[0005] Further, the clamping mechanism includes a first clamping component, a second clamping component, a first gear, a second gear, a first meshing portion, a second meshing portion, a third meshing portion and a fourth meshing portion, the first meshing portion is arranged on one end of the first clamping component, the second meshing portion is arranged on the other end of the first clamping component, the second meshing portion is arranged on the other end of the first clamping component, the third meshing portion is arranged on one end of the first clamping component, and the fourth meshing portion is arranged on the other end of the second clamping component; the rotating mechanism includes a mounting surface, the first clamping component, the second clamping component, the first gear and the second gear are all arranged on the mounting surface, the first gear and the second gear are both rotatably connected to the mounting surface; the first meshing portion is meshed and connected to the third meshing portion through the first gear; the second meshing portion is meshed and connected to the fourth meshing portion through the second gear.

[0006] Further, the first clamping assembly includes a first clamping module, a first cylinder and a first linear slide rail; the second clamping assembly includes a second clamping module, a second cylinder and a second linear slide rail; the first meshing portion is provided on one end of the first clamping module, the second meshing portion is provided on the other end of the first clamping module, the third meshing portion is provided on one end of the second clamping module, and the fourth meshing portion is provided on the other end of the second clamping module; the second meshing portion is provided on the second clamping module; the first cylinder, the first linear slide rail, the second cylinder and the second linear slide rail are all provided on the mounting surface; one end of the first clamping module is slidably connected to one end of the first linear slide rail, and the other end of the first clamping module is slidably connected to one end of the second linear slide rail; one end of the second clamping module is slidably connected to the other end of the first linear slide rail, and the other end of the second clamping module is slidably connected to the other end of the second linear slide rail; the output end of the first cylinder is drive-connected to the first clamping module, and the output end of the second cylinder is drive-connected to the second clamping module.

[0007] Further, the first clamping module includes a first sliding plate and a first clamping portion; the second clamping module includes a second sliding plate and a second clamping portion; one end of the first sliding plate is slidably connected to one end of the first linear slide rail, and the other end of the first sliding plate is slidably connected to one end of the second linear slide rail; one end of the second sliding plate is slidably connected to the other end of the first linear slide rail, and the other end of the second sliding plate is slidably connected to the other end of the second linear slide rail; the output end of the first cylinder is hinged to the first sliding plate; the output end of the second cylinder is hinged to the second sliding plate; the first clamping portion is detachably connected to the first sliding plate; the second clamping portion is detachably connected to the second sliding plate, the first meshing portion is provided on the first sliding plate, and the second meshing portion is provided on the second sliding plate.

[0008] Furthermore, the rotating mechanism includes a rotating assembly and a second sliding module; the annular cutting machine also includes a second screw module and a guide rail assembly; the second screw module and the guide rail assembly are both arranged on the base platform; the second sliding module is arranged at the bottom of the rotating assembly, and the guide rail assembly is slidingly connected to the second sliding module; the second screw module is transmission-connected to the rotating assembly; the two clamping mechanisms are both arranged on the rotating assembly; the cutting inner cavity, the pipe inlet and the pipe outlet are all arranged on the rotating assembly.

[0009] Furthermore, the rotating assembly includes an installation box, a second transmission part, a first annular rotating part, a second annular rotating part, a plurality of second connecting rods and an annular clamping tube part; the second screw module is transmission-connected to the installation box; the second sliding module is arranged at the bottom of the installation box; the two clamping mechanisms are both arranged on the installation box; the installation box includes an installation cavity, the pipe inlet and the pipe outlet are distributed on both sides of the installation box, and the pipe inlet and the pipe outlet are connected to the installation cavity; the annular clamping tube part is arranged around the pipe inlet and is located in the installation cavity; the first annular rotating part is sleeved on the annular clamping tube part, and the first annular The rotating part is rotatably connected to the annular clamping part; the second annular rotating part is arranged around the pipe outlet, and the second annular rotating part is located in the installation cavity; the first annular rotating part and the second annular rotating part are connected by a plurality of second connecting rods, and the cutting inner cavity is formed between the first annular rotating part and the second annular rotating part; the second transmission part is arranged on the installation surface, and the second transmission part is transmission-connected to the first annular rotating part, and the first annular rotating part drives the second annular rotating part to rotate, and the sliding transmission assembly and the swing arm cutting assembly are both arranged between the first annular rotating part and the second annular rotating part.

[0010] Furthermore, the first annular rotating part includes a mounting ring, a rotating plate and an annular gear ring; the annular gear ring is sleeved on the mounting ring, and the mounting ring is sleeved on the annular clamping tube part; the mounting ring is rotatably connected to the annular clamping tube part; the rotating plate is arranged on the mounting ring, and the second transmission part includes a driving motor and a third gear, the driving motor is arranged on the mounting surface, and the third gear is drive-connected to the driving motor; the third gear is meshed with the annular gear ring; the rotating plate is connected to the second annular rotating part through a plurality of second connecting rods; the sliding transmission assembly and the swing arm cutting assembly are both arranged between the rotating plate and the second annular rotating part.

[0011] Furthermore, a waste chip discharge port is provided at the bottom of the installation box, and the waste chip discharge port is communicated with the cutting inner cavity; a sloped material guide trough and a sloped material guide port are provided on the base platform, and the sloped material guide trough is connected with the sloped material guide port; the annular cutting machine also includes an excretion inclined structure; the excretion inclined structure is arranged on the sloped material guide port.

[0012] The beneficial effects of the present invention are: in terms of cutting quality, the rotating mechanism drives the swing arm cutting assembly to perform circumferential movement, and cooperates with the two clamping mechanisms to firmly clamp the pipe material, effectively improving the flatness of the pipe section, and the verticality error of the incision is small. No additional secondary processing steps are required, and the subsequent finishing costs are reduced; in terms of cutting efficiency, the annular continuous cutting eliminates the reciprocating feeding action of the traditional sawing machine, shortening the cutting time of a single pipe material; at the same time, the sliding transmission assembly can not only meet the cutting requirements of pipe materials with different cutting lengths, adapt to the processing length requirements of diversified pipe materials, but also be compatible with pipe materials of different diameters, enhance the versatility of the equipment, and enable the overall equipment to efficiently cope with the continuous cutting operations of pipe materials of various specifications; this solution can reduce the overall cost: the tool is evenly stressed during the cutting process, wear is reduced, and service life is extended; operation and maintenance are also more convenient, the modular design facilitates troubleshooting, and cutting the inner cavity can also improve the working environment and reduce safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly describes the drawings required for describing the embodiments. Obviously, the drawings described only illustrate some embodiments of the present invention, not all of them. Those skilled in the art can derive other design solutions and drawings based on these drawings without inventive effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of a ring cutting machine according to the present invention; Figure 2 This is a schematic structural diagram of a sliding transmission assembly and a swing arm cutting assembly of an annular cutting machine according to the present invention; Figure 3This is a schematic structural diagram of a rotating mechanism of an annular cutting machine according to the present invention; Figure 4 This is a schematic structural diagram of a second annular rotating portion of an annular cutting machine according to the present invention; Figure 5 This is a schematic diagram of a first structural embodiment of a first annular rotating portion of an annular cutting machine according to the present invention; Figure 6 This is a second structural schematic diagram of the first annular rotating part of an annular cutting machine according to the present invention; Figure 7 This is a partial structural diagram of a first annular rotating portion of an annular cutting machine according to the present invention; Figure 8 The figure is a partial structural diagram of a sliding transmission assembly and a swing arm cutting assembly of an annular cutting machine according to the present invention.

[0015] Reference numerals in the accompanying drawings: 1-rotating mechanism; 11-cutting inner cavity; 12-pipe inlet; 13-pipe outlet; 14-mounting surface; 15-rotating assembly; 151-mounting box; 152-second transmission part; 1521-driving motor; 153-second annular rotating part; 154-second connecting rod; 155-annular clamping part; 156-first annular rotating part; 157-mounting ring; 158-rotating plate; 159-annular gear ring; 16-second sliding module; 2-base platform; 3-clamping mechanism; 31-first clamping assembly; 311-first clamping module; 3111-first sliding plate; 3112-first clamping part; 312-first cylinder; 313-first linear slide rail ;32-second clamping assembly;321-second clamping module;3211-second sliding plate;3212-second clamping part;322-second cylinder;323-second linear slide rail;33-first gear;34-second gear;35-first meshing part;36-second meshing part;37-third meshing part;38-fourth meshing part;4-sliding transmission assembly;41-first transmission part;42-mounting frame;43-driving synchronous wheel;44-driven synchronous wheel;45-first screw module;5-swing arm cutting assembly;51-cutting part;52-first sliding module;53-swinging part;6-second screw module;7-guide rail assembly;8-inclined guide trough;9-discharge tilting structure. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention. In addition, all the connection / connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the invention can be combined interactively without conflicting with each other.

[0017] Reference Figures 1 to 8, a ring cutting machine, including a rotating mechanism 1, a base platform 2, two clamping mechanisms 3, a sliding transmission assembly 4, a connecting shaft, a swing arm cutting assembly 5, a first sliding module 52 and a rear shaft, the rotating mechanism 1 is arranged on the base platform 2, the base platform 2 provides a stable support for the equipment, ensures the rigidity of the overall structure during the cutting process, and avoids the influence of vibration on the cutting accuracy; the rotating mechanism 1 is provided with a cutting cavity 11, an inlet 12 and an outlet 13, the inlet 12 is connected to the outlet 13 through the cutting cavity 11, and the inlet 13 is connected to the outlet 13. The inlet 12, the cutting inner cavity 11, and the outlet 13 form a through pipe channel. The pipe enters from the inlet 12, is cut through the cutting inner cavity 11, and is sent out from the outlet 13. The cutting inner cavity 11 provides space for the cutting operation. The two clamping mechanisms 3 are both provided on the rotating mechanism 1. The two clamping mechanisms 3 are respectively located on the outside of the inlet 12 and the outlet 13. The two clamping mechanisms 3 are used to clamp the cut pipe. The pipe can be firmly clamped by mechanical clamping or pneumatic clamping to prevent the pipe from deflecting during cutting. The design of the holding mechanism 3 being arranged on both sides of the rotating mechanism 1 can form a symmetrical clamping force from both sides of the pipe material, thereby enhancing the fixing stability of the pipe material, reducing shaking during cutting, improving the incision accuracy, adapting to different pipe diameters, and ensuring a stable and reliable cutting process; the clamping mechanism 3 is adapted to clamp pipe materials of various shapes; the connecting shaft is arranged on the cutting inner cavity 11, and the swing arm cutting assembly 5 is rotatably connected to the connecting shaft; the rotating mechanism 1 is used to drive the swing arm cutting assembly 5 to rotate, the sliding transmission assembly 4 is rotatably connected to the cutting inner cavity 11, and the swing arm cutting assembly 5 The swing arm cutting assembly 5 is connected to the sliding transmission assembly 4 in a transmission manner; the connecting shaft not only provides support for the swing arm cutting assembly 5, but also allows it to flexibly adjust the cutting angle during the rotation process; the rotating mechanism 1 is installed on the base platform 2 as the core moving component, which is not only the mounting carrier of the clamping mechanism 3, but also can drive the swing arm cutting assembly 5 and the sliding transmission assembly 4 to achieve circumferential rotation, providing a power basis for annular cutting; the swing arm cutting assembly 5 is the component that directly performs cutting. Driven by the rotating mechanism 1, it performs a circular motion around the pipe material and cooperates with its own tool (such as a circular saw blade, a laser head, etc.) to achieve annular cutting; In this embodiment, in terms of cutting quality, the rotating mechanism 1 drives the swing arm cutting assembly 5 to perform circumferential movement, and cooperates with the two clamping mechanisms 3 to firmly clamp the pipe material, which effectively improves the flatness of the pipe section, and the verticality error of the incision is small. No additional secondary processing steps are required, and the subsequent finishing costs are reduced; in terms of cutting efficiency, the circular continuous cutting eliminates the reciprocating feeding action of the traditional sawing machine, shortening the cutting time of a single pipe material; at the same time, the sliding transmission assembly 4 can not only meet the cutting requirements of pipe materials with different cutting lengths, adapt to the processing length requirements of diversified pipe materials, but also be compatible with pipe materials of different diameters, enhance the versatility of the equipment, and enable the overall equipment to efficiently cope with continuous cutting operations of pipe materials of various specifications; this solution can reduce the overall cost: the tool is evenly stressed during the cutting process, wear is reduced, and life is extended; operation and maintenance are also more convenient, the modular design facilitates troubleshooting, and cutting the inner cavity 11 can also improve the working environment and reduce safety hazards.

[0018] The swing arm cutting assembly 5 includes a first bearing, a second bearing, a cutting part 51, a first sliding module 52 and a swing part 53; the cutting part 51 and the first sliding module 52 are both arranged on the swing part 53, the swing part 53 includes a first swing arm and a second swing arm, the cutting part 51 and the first sliding module 52 are located between the first swing arm and the second swing arm, the cutting part 51 includes a motor and a cutting actuator that should be linked with a cutting actuator (such as a saw blade, a knife, etc.), and a mounting base (a block structure with holes in the figure); the swing part 53 is rotatably connected to the cutting inner cavity 11, and the first sliding module 52 is transmission-connected to the sliding transmission assembly 4, so that the swing arm cutting assembly 5 can move along the radial direction (or axial direction) of the pipe material. The rear shaft is provided on the cutting inner cavity 11, and the first bearing and the second bearing are respectively provided on both sides of the connecting shaft. The first swing arm is rotatably connected to the first bearing, and the second swing arm is rotatably connected to the second bearing, so that the entire swing arm cutting assembly 5 can flexibly swing around the axis of the connecting shaft, and cooperate with the circumferential movement of the rotating mechanism 1 to complete the annular cutting of the pipe material; the rear shaft is rotatably connected to the sliding transmission assembly 4, and the rear shaft not only provides support for the sliding transmission assembly 4, but also allows it to flexibly follow the swing angle of the cutting assembly during the rotation process, thereby further adjusting the swing angle to adapt to the cutting angle of the swing arm cutting assembly 5; In this embodiment, the first bearing and the second bearing are rotatably connected to the first swing arm and the second swing arm respectively, and cooperate with the connecting shaft to form a flexible swinging structure, which can swing freely around the axis, and combined with the rotating mechanism 1 to complete the annular cutting of the pipe material, thereby improving the cutting integrity; the first sliding module 52 is linked with the sliding transmission assembly 4, so that the assembly can adjust its position along the radial or axial direction of the pipe material, adapt to different pipe diameters and cutting depths, and enhance the versatility of the equipment; the cutting part 51 and the sliding module are placed between the two swing arms, with a compact structure and balanced force, reducing vibration and offset during cutting; the rear shaft not only supports the sliding transmission assembly 4, but also allows it to flexibly adjust the swing angle with the cutting assembly, further adapting to cutting requirements, ensuring cutting accuracy and stability, and providing efficient and reliable solutions for diversified pipe material processing.

[0019] The sliding transmission assembly 4 includes a first transmission part 41, a mounting frame 42, an active synchronous wheel 43, a driven synchronous wheel 44 and a first screw module 45; the mounting frame 42 is rotatably connected to the cutting inner cavity 11, the first transmission part 41 is arranged on the mounting frame 42, and the first transmission part 41 is transmission-connected to the driven synchronous wheel 44 through the active synchronous wheel 43; the first screw module 45 is arranged on the mounting frame 42, the driven synchronous wheel 44 is rotationally connected to the first screw module 45, and the first sliding module 52 is transmission-connected to the first screw module 45; the first sliding module 52 includes a screw nut, a connecting shaft The screw nut is a direct connection component between the sliding module and the first screw module 45, which is installed on the nut mounting seat and forms a spiral transmission match with the first screw module 45. It can slide along the axial direction of the first screw module 45, and convert the rotational motion of the first screw module 45 into its own linear motion. It is the core component for transmitting power and motion; the screw nut is arranged on the nut mounting seat, providing a fixed installation reference for the screw nut, and the screw nut is slidably connected to the first screw module 45; a third bearing and a fourth bearing are respectively provided on both sides of the nut mounting seat, one end of the connecting shaft is rotatably connected to the third bearing, and the other end of the connecting shaft is rotatably connected to the fourth bearing. In this embodiment, the first transmission part 41 (such as a motor) drives the driven synchronous wheel 44 to rotate through the active synchronous wheel 43, and transmits power to the first screw module 45, so that the first sliding module 52 (driving the swing arm cutting assembly 5) that is slidingly connected to the first screw module 45 moves smoothly along the axial direction of the screw.

[0020] The clamping mechanism 3 includes a first clamping component 31, a second clamping component 32, a first gear 33, a first gear shaft, a second gear 34, a second gear shaft, a first meshing portion 35, a second meshing portion 36, a second meshing portion 36, a third meshing portion 37 and a fourth meshing portion 38, wherein the first meshing portion 35 is provided on one end of the first clamping component 31, the second meshing portion 36 is provided on the other end of the first clamping component 31, the third meshing portion 37 is provided on one end of the second clamping component 32, and the fourth meshing portion 38 is provided on the other end of the second clamping component 32; the rotating mechanism 1 includes a mounting surface 14, the first clamping component 31, the second clamping component 32, the first gear 33 and the second gear 34 are all provided on the mounting surface 14, and the first gear 33 and the second gear 34 are both in contact with the mounting surface 14. The first meshing portion 35 is meshed with the third meshing portion 37 through the first gear 33; the second meshing portion 36 is meshed with the fourth meshing portion 38 through the second gear 34; the first gear shaft and the second gear shaft are both provided on the mounting surface 14, the first gear 33 is provided on the first gear shaft, and the first gear 33 is rotationally connected to the first gear shaft; the second gear 34 is provided on the second gear shaft, and the second gear 34 is rotationally connected to the second gear shaft; when any clamping component is moved by force, the other clamping component is driven to move synchronously in the opposite direction through gear transmission, thereby realizing the linkage effect of "one open, all open, one close, all close"; the first clamping component 31 and the second clamping component 32 are arranged parallel to the mounting surface 14 of the rotating mechanism 1, forming a symmetrical clamping structure for the pipe material; In this embodiment, the two clamping assemblies always maintain equidistant movement to ensure that the pipe is clamped in the center position and avoid cutting deviation caused by eccentricity; for example, when the first clamping assembly 31 approaches the pipe, the engagement between the first gear 33 and the first meshing portion 35 and the second meshing portion 36, and the engagement between the second gear 34 and the third meshing portion 37 and the fourth meshing portion 38 force the second clamping assembly 32 to approach synchronously, applying clamping force evenly from both sides.

[0021] The first clamping assembly 31 includes a first clamping module 311, a first cylinder 312 and a first linear slide 313; the second clamping assembly 32 includes a second clamping module 321, a second cylinder 322 and a second linear slide 323; the first engaging portion 35 is provided on the first clamping module 311, and the second engaging portion 36 is provided on the second clamping module 321; the first cylinder 312, the first linear slide 313, the second cylinder 322 and the second linear slide 323 are all provided on the mounting surface 14 to form a sliding reference; one end of the first clamping module 311 and one end of the first linear slide 313 are connected to each other. The two ends are slidably connected, the other end of the first clamping module 311 is slidably connected to one end of the second linear slide rail 323; one end of the second clamping module 321 is slidably connected to the other end of the first linear slide rail 313, and the other end of the second clamping module 321 is slidably connected to the other end of the second linear slide rail 323; the output end of the first cylinder 312 is drivingly connected to the first clamping module 311, and the output end of the second cylinder 322 is drivingly connected to the second clamping module 321. The symmetrical drive of the two cylinders provides a balanced initial driving force, and the gear transmission evenly distributes the force to both ends, making the clamping force distribution more uniform; In this embodiment, the double linear slide rails are sliding stable supports, and the first clamping component 31 and the second clamping component 32 rely on the first linear slide rail 313 and the second linear slide rail 323 to form a double-rail support. The two ends of the first clamping module 311 are respectively connected to one end of the two slide rails, and the second clamping module 321 is correspondingly connected to the other end, constructing a stable symmetrical sliding structure to improve the smoothness of movement; the double cylinders are symmetrically driven, combined with the gear transmission of the first meshing part 35 and the second meshing part 36, to evenly distribute the driving force to the two ends of the clamping module, so that the clamping force distribution is more balanced and the force deviation of the pipe material is reduced; the symmetrical layout of the double rails and the double cylinders, combined with the rigid constraint of the meshing part, ensures that the two clamping modules always move in opposite directions synchronously and precisely clamp. The overall structure not only enhances the clamping stability and precision, but also improves the adaptability to different pipe diameters, providing a reliable clamping basis for pipe processing.

[0022] When the cam 314 is in the closed position, the cam 314a can be locked to the unlocked position, and the locking cam 314a can be locked to the unlocked position, so that the cam 314a can be locked to the unlocked position. The second rack is provided on one end of the first sliding plate 3111, the second rack is provided on the other end of the first sliding plate 3111, the third rack is provided on one end of the second sliding plate 3211, and the fourth rack is provided on the other end of the second sliding plate 3211; the first rack and the third rack are both meshed and connected with the first gear 33; the second rack and the fourth rack are both meshed and connected with the second gear 34, the first rack and the second rack on the first sliding plate 3111 move with the plate, and the first rack drives the first rack As the wheel 33 rotates, the third rack gear moves in the opposite direction due to the meshing relationship, driving the second sliding plate 3211 to move in the opposite direction. Simultaneously, the second rack gear drives the fourth rack gear through the second gear 34, further ensuring the synchronization and stability of the movement of the two sliding plates. The first clamping portion 3112 is detachably connected to the first sliding plate 3111; the second clamping portion 3212 is detachably connected to the second sliding plate 3211, achieving synchronous movement toward and away from each other of the first clamping portion 3112 and the second clamping portion 3212, thereby completing the clamping and release of the pipe material. In this embodiment, the symmetrical drive of the dual cylinders is combined with the linkage of the dual gears and four racks to enable the two clamping parts to move synchronously toward or away from each other, thereby ensuring uniform distribution of the clamping force and effectively protecting the surface of the pipe. The replaceable clamping parts are adapted to various cross-section pipes, expanding the pipe diameter range and adapting to precision processing and automated production lines.

[0023] The rotating mechanism 1 includes a rotating assembly 15 and a second sliding module 16. The rotating assembly 15 drives the swing arm cutting assembly 5 to complete circumferential rotation, providing a power basis for annular cutting; the annular cutting machine also includes a second screw module 6 and a guide rail assembly 7; the second screw module 6 and the guide rail assembly 7 are both arranged on the base platform 2; the second sliding module 16 is arranged at the bottom of the rotating assembly 15, and the guide rail assembly 7 is slidably connected to the second sliding module 16; the second screw module 6 is transmission-connected to the rotating assembly 15; the two clamping mechanisms 3 are both arranged on the rotating assembly 15; the cutting inner cavity 11, the pipe inlet 12 and the pipe outlet 13 are all arranged on the rotating assembly 15; In this embodiment, the rotating assembly 15 provides circumferential rotational power for the swing arm cutting assembly 5, which is the core power basis for annular cutting and ensures that the cutting trajectory is continuous and complete; the second sliding module 16 cooperates with the guide rail assembly 7 and the second screw module 6, so that the rotating assembly 15 can slide smoothly along the base platform 2, flexibly adjust the cutting position, and adapt to the processing requirements of pipes of different lengths or positions; the two clamping mechanisms 3 and the cutting inner cavity 11 and the inlet and outlet pipes 13 are all integrated in the rotating assembly 15 to form an integrated rotating unit, ensuring that the relative position of the pipe and the cutting assembly is stable during cutting, and improving the annular cutting accuracy; the overall structure expands the adaptability range of the equipment to pipes of different specifications through the coordinated action of sliding and rotation, and ensures the stability and accuracy of the cutting process, providing a reliable mechanical foundation for efficient completion of annular cutting.

[0024] The rotating assembly 15 includes an installation box 151, a second transmission part 152, a first annular rotating part 156, a second annular rotating part 153, a plurality of second connecting rods 154 and an annular clamping tube part 155; two clamping mechanisms 3 are arranged on the installation box 151, and the installation box 151 serves as a core carrier. An installation cavity is provided inside to provide installation space for the first annular rotating part 156, the second annular rotating part 153 and the plurality of second connecting rods 154; the external integrated clamping mechanism 3, the pipe inlet 12 and the pipe outlet 13 form an integrated structure of "bearing + function integration"; the second screw module 6 and the installation box 151 transmission connection, realizes the translation of the installation box 151 as a whole along the base platform 2; the second sliding module 16 is arranged at the bottom of the installation box 151; the installation box 151 includes an installation cavity, the pipe inlet 12 and the pipe outlet 13 are distributed on both sides of the installation box 151, the pipe inlet 12 and the pipe outlet 13 are connected to the installation cavity to form a through pipe channel; the annular clamping portion 155 is surrounded by the pipe inlet 12 and is located in the installation cavity, and the annular clamping portion 155 is used to clamp the pipe; the first annular rotating portion 156 is sleeved on the annular clamping portion 1 55, the first annular rotating part 156 is rotatably connected to the annular clamping part 155; the second annular rotating part 153 is arranged around the pipe outlet 13, and the second annular rotating part 153 is located in the installation cavity; the first annular rotating part 156 and the second annular rotating part 153 are connected by a plurality of second connecting rods 154 to form a stable annular frame structure, which provides stable support for the swing arm cutting assembly 5 and ensures cutting accuracy. The symmetrical annular rotating structure ensures uniform force during rotation, can withstand long-term high-frequency rotation, and prolongs the service life of the assembly; the first annular The cutting inner cavity 11 is formed between the rotating portion 156 and the second annular rotating portion 153; the second transmission portion 152 is provided on the mounting surface 14, and is in transmission connection with the first annular rotating portion 156. The first annular rotating portion 156 drives the second annular rotating portion 153 to rotate. The sliding transmission assembly 4 and the swing arm cutting assembly 5 are both provided between the first annular rotating portion 156 and the second annular rotating portion 153. The sliding transmission assembly 4 and the swing arm cutting assembly 5 rotate together with the first annular rotating portion 156 and the second annular rotating portion 153. In this embodiment, the installation box 151 provides installation space for structures such as the first annular rotating part 156 and the second annular rotating part 153, making the equipment layout more compact; the rotating component 15 provides circumferential rotational power, providing a power basis for annular cutting; the second screw module 6 and the guide rail component 7 cooperate with the second sliding module 16 to achieve smooth translation of the installation box 151, which can flexibly adjust the pipe cutting position, support automated docking, and adapt to batch cutting and precision processing of long pipes, with significant comprehensive benefits; the two symmetrical annular rotating parts and several second connecting rods 154 form a stable frame, which provides solid support for the swing arm cutting component 5 and ensures cutting accuracy; the symmetrical structure makes the rotation force uniform, can withstand long-term high-frequency rotation, and extend the service life of the equipment; the annular pipe clamping part 155 clamps and fixes the pipe, reduces the incision tilt, and penetrates the pipe channel to ensure stable pipe transportation, adapting to long pipe cutting, and components such as the sliding transmission rotate synchronously with it, coordinated without interference, thereby improving the overall stability and operating efficiency of the equipment.

[0025] The first annular rotating part 156 includes a mounting ring 157, a rotating plate 158 and an annular gear ring 159; the annular gear ring 159 is sleeved on the mounting ring 157, and the mounting ring 157 is sleeved on the annular clamping tube part 155; the mounting ring 157 and the annular clamping tube part 155 are rotatably connected; the rotating plate 158 is provided on the mounting ring 157, fixed to the outside of the mounting ring 157, and rotates synchronously with it to provide a flat mounting platform; the second transmission part 152 includes a driving motor 1521 and a third gear, and the driving motor 1521 Located on the mounting surface 14, the third gear is drivably connected to the drive motor; the third gear is meshed with the annular gear ring 159; the annular gear ring 159 is fixedly connected to the mounting ring 157 (e.g., bolted or welded), and rotates synchronously, with its outer tooth surface meshing with the third gear; the rotating plate 158 and the second annular rotating portion 153 are connected via a plurality of second connecting rods 154 to ensure synchronous rotation of the two; the sliding transmission assembly 4 and the swing arm cutting assembly are both located between the rotating plate 158 and the second annular rotating portion 153; In this embodiment, the mounting ring 157 is fixedly connected to the annular ring gear 159 and rotates around the annular clamping tube portion 155. The annular ring gear 159 cooperates with the meshing transmission of the drive motor 1521 and the third gear, and the power transmission is efficient and stable; the rotating plate 158 provides a flat mounting platform, which is connected to the second annular rotating portion 153 through the second connecting rod 154 to ensure synchronous rotation and uniform load distribution; the sliding transmission components are arranged therebetween, with a compact layout and no interference; the modular design makes maintenance convenient, adapts to high-speed cutting and precision processing, and improves equipment performance and applicability. A waste chip discharge port is provided at the bottom of the installation box 151, and the waste chip discharge port is communicated with the cutting inner cavity 11. Metal debris, dust, etc. generated during the cutting process fall from the cutting inner cavity 11 into the waste chip discharge port under the drive of gravity and the cutting airflow, forming an initial collection channel; a slope guide trough and a slope guide port are provided on the base platform 2, and the slope guide trough is connected with the slope guide port. After the waste chips fall from the discharge port, they slide along the inclination angle of the slope guide trough and are directional transported with the help of gravity; the end of the slope guide trough is connected with the slope guide port to gather the waste chips to the discharge node; the annular cutting machine also includes an excretion tilting structure; the excretion tilting structure is provided on the slope guide port to ensure that the waste chips are quickly discharged from the outside of the equipment and can be directly connected to the collection box; In this embodiment, the waste chip outlet timely guides the waste chips out of the cutting cavity 11 to form an initial collection channel; the sloped guide trough and the guide port use gravity to directionally transport and gather the waste chips; the inclined discharge structure ensures its rapid discharge, avoiding waste chip accumulation and damaging tools and equipment, extending tool life, improving production continuity, saving cleaning time, and reducing maintenance costs.

[0026] The above specifically describes the preferred embodiments of the present invention, but the 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 this application.

Claims

1. A ring cutting machine, characterized in that: It includes a rotating mechanism, a base platform, two clamping mechanisms, a sliding transmission assembly and a swing arm cutting assembly; the rotating mechanism is arranged on the base platform; a cutting inner cavity, a pipe inlet and a pipe outlet are opened on the rotating mechanism, and the pipe inlet is connected to the pipe outlet through the cutting inner cavity; the two clamping mechanisms are both arranged on the rotating mechanism, and the two clamping mechanisms are respectively located on the outside of the pipe inlet and the pipe outlet; the two clamping mechanisms are used to clamp the cutting pipe; the swing arm cutting assembly is rotatably connected to the cutting inner cavity, and the rotating mechanism is used to drive the swing arm cutting assembly to rotate; the sliding transmission assembly is rotatably connected to the cutting inner cavity, and the swing arm cutting assembly is transmission-connected to the sliding transmission assembly.

2. A circular cutting machine according to claim 1, characterized in that: The swing arm cutting assembly includes a cutting part, a first sliding module and a swing part; the cutting part and the first sliding module are both arranged on the swing part, the swing part is rotationally connected to the cutting inner cavity, and the first sliding module is transmission-connected to the sliding transmission assembly.

3. A circular cutting machine according to claim 2, characterized in that: The sliding transmission assembly includes a first transmission part, a mounting frame, an active synchronous wheel, a driven synchronous wheel and a first screw module; the mounting frame is rotationally connected to the cutting inner cavity, the first transmission part is arranged on the mounting frame, and the first transmission part is transmission-connected to the driven synchronous wheel through the active synchronous wheel; the first screw module is arranged on the mounting frame, the driven synchronous wheel is rotationally connected to the first screw module, and the first sliding module is transmission-connected to the first screw module.

4. The annular cutting machine according to claim 1, characterized in that: The clamping mechanism includes a first clamping component, a second clamping component, a first gear, a second gear, a first meshing portion, a second meshing portion, a third meshing portion and a fourth meshing portion, the first meshing portion is arranged on one end of the first clamping component, the second meshing portion is arranged on the other end of the first clamping component, the second meshing portion is arranged on the other end of the first clamping component, the third meshing portion is arranged on one end of the first clamping component, and the fourth meshing portion is arranged on the other end of the second clamping component; the rotating mechanism includes a mounting surface, the first clamping component, the second clamping component, the first gear and the second gear are all arranged on the mounting surface, the first gear and the second gear are both rotatably connected to the mounting surface; the first meshing portion is meshed and connected to the third meshing portion through the first gear; the second meshing portion is meshed and connected to the fourth meshing portion through the second gear.

5. The annular cutting machine according to claim 4, characterized in that: The first clamping assembly includes a first clamping module, a first cylinder and a first linear slide rail; the second clamping assembly includes a second clamping module, a second cylinder and a second linear slide rail; the first meshing portion is arranged on one end of the first clamping module, the second meshing portion is arranged on the other end of the first clamping module, the third meshing portion is arranged on one end of the second clamping module, and the fourth meshing portion is arranged on the other end of the second clamping module; the second meshing portion is arranged on the second clamping module; the first cylinder, the first linear slide rail, the second cylinder and the second linear slide rail are all arranged on the mounting surface; one end of the first clamping module is slidably connected to one end of the first linear slide rail, and the other end of the first clamping module is slidably connected to one end of the second linear slide rail; one end of the second clamping module is slidably connected to the other end of the first linear slide rail, and the other end of the second clamping module is slidably connected to the other end of the second linear slide rail; the output end of the first cylinder is drive-connected to the first clamping module, and the output end of the second cylinder is drive-connected to the second clamping module.

6. The annular cutting machine according to claim 5, characterized in that: The first clamping module includes a first sliding plate and a first clamping part; the second clamping module includes a second sliding plate and a second clamping part; one end of the first sliding plate is slidably connected to one end of the first linear slide rail, and the other end of the first sliding plate is slidably connected to one end of the second linear slide rail; one end of the second sliding plate is slidably connected to the other end of the first linear slide rail, and the other end of the second sliding plate is slidably connected to the other end of the second linear slide rail; the output end of the first cylinder is hinged to the first sliding plate; the output end of the second cylinder is hinged to the second sliding plate; the first clamping part is detachably connected to the first sliding plate; the second clamping part is detachably connected to the second sliding plate, the first meshing part is provided on the first sliding plate, and the second meshing part is provided on the second sliding plate.

7. The annular cutting machine according to claim 4, characterized in that: The rotating mechanism includes a rotating assembly and a second sliding module; the annular cutter also includes a second screw module and a guide rail assembly; the second screw module and the guide rail assembly are both arranged on the base platform; the second sliding module is arranged at the bottom of the rotating assembly, and the guide rail assembly is slidingly connected to the second sliding module; the second screw module is transmission-connected to the rotating assembly; the two clamping mechanisms are both arranged on the rotating assembly; the cutting inner cavity, the pipe inlet and the pipe outlet are all arranged on the rotating assembly.

8. The annular cutting machine according to claim 7, characterized in that: The cam is secured to the bottom of the housing, and the cam is secured to the bottom of the housing by a secure connection between the cam and the base. The second transmission part is arranged on the mounting surface, the second transmission part is in transmission connection with the first annular rotating part, the first annular rotating part drives the second annular rotating part to rotate, and the sliding transmission assembly and the swing arm cutting assembly are both arranged between the first annular rotating part and the second annular rotating part.

9. The annular cutting machine according to claim 8, characterized in that: The first annular rotating part includes a mounting ring, a rotating plate and an annular gear ring; the annular gear ring is sleeved on the mounting ring, and the mounting ring is sleeved on the annular clamping tube part; the mounting ring is rotatably connected to the annular clamping tube part; the rotating plate is arranged on the mounting ring, and the second transmission part includes a driving motor and a third gear, the driving motor is arranged on the mounting surface, and the third gear is drive-connected to the driving motor; the third gear is meshed with the annular gear ring; the rotating plate is connected to the second annular rotating part through a plurality of second connecting rods; the sliding transmission assembly and the swing arm cutting assembly are both arranged between the rotating plate and the second annular rotating part.

10. The annular cutting machine according to claim 8, characterized in that: The bottom of the installation box is provided with a waste chip discharge port, which is connected to the cutting inner cavity; the base platform is provided with a sloped material guide trough and a sloped material guide port, and the sloped material guide trough is connected to the sloped material guide port; the annular cutting machine also includes an excretion inclined structure; the excretion inclined structure is arranged on the sloped material guide port.

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