Cutting equipment for plastic pipeline production

Abstract

The invention provides cutting equipment for plastic pipeline production, and belongs to the field of pipeline production. Comprising three mounting rings and annular plates, one sides of the mounting rings are movably connected with the annular plates, movable assemblies are arranged on the annular plates, a plurality of connecting rods are evenly distributed and movably connected to each annular plate, and the connecting rod in the center penetrates through the mounting rings and is fixedly connected with a clamping plate. Through driving of a first motor on a mounting ring, an annular plate rotates on the mounting ring, a movable block moves in an arc-shaped groove, at the moment, a connecting rod drives a clamping plate and a fixing frame to move, a plastic pipeline is clamped through the clamping plate, and static cutting operation of a cutting knife relative to the plastic pipeline can be achieved; and moreover, the feeding assembly in the fixing frame stably conveys the plastic pipelines, so that the plastic pipelines are cut in a non-stop state, and the cutting quality can be improved on the premise of ensuring the cutting quality.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pipeline production, in particular to a cutting device for plastic pipeline production. BACKGROUND

[0002] With the continuous expansion of the production scale of plastic pipelines, higher efficiency requirements are put forward for the cutting link in the production process. As a key terminal device in the plastic pipeline production line, the performance of the cutting device directly affects the overall productivity and product quality of pipeline production. Currently, in order to cut a pipeline end face with good quality, the entire production line needs to be stopped after the plastic pipeline is produced to a set length, and then the pipeline is cut by a cutting mechanism. After the cutting is completed, the production line can resume operation. This frequent stop and restart operation wastes a lot of production time, makes it difficult to improve the pipeline output per unit of time, and cannot meet the needs of large-scale production. In addition, in actual application, different scenarios have diversified needs for the shape of the end face of the plastic pipeline. For example, when connecting some pipelines, the end face of the pipeline needs to be cut into an inclined angle, a stepped shape or other special-shaped structures to ensure the sealing and stability of the connection. However, most of the existing plastic pipeline cutting devices only have the single function of cutting a flat end face, which makes the end face shape precision unable to meet the actual needs and difficult to adapt to diversified market demands.

[0003] Based on the above reasons, the application provides a cutting device for plastic pipeline production, which can efficiently cut plastic pipelines without stopping, and can cut the end face of the pipeline into a specified shape according to actual needs, thereby meeting the actual use needs. SUMMARY

[0004] The technical problem to be solved by the application is to provide a cutting device for plastic pipeline production, which has the advantages of high cutting efficiency and controllable cutting shape.

[0005] To solve the above technical problems, the application provides the following technical solutions: The cutting device for plastic pipeline production comprises three concentric installation rings, and an annular plate is movably connected to one side of each installation ring. The annular plate is provided with a movable assembly, and a plurality of connecting rods are movably connected to the annular plate in a uniform manner. The center connecting rod penetrates the installation ring and is fixedly connected with a clamping plate, and the two side connecting rods penetrate the installation ring and are fixedly connected with a fixed frame. The fixed frame is provided with a feeding assembly. Two fixed plates are fixedly connected to each installation ring. The same side of the three fixed plates is provided with the same horizontal plate. A displacement assembly is arranged on one side of the horizontal plate. An adjustable cutting assembly is arranged on the side wall of the center annular plate.

[0006] Preferably, the movable component includes a first rack, which is arc-shaped and fixedly connected to the side wall of the annular plate. A first gear meshes with one side of the first rack, and a first rotating shaft is fixedly connected to the center of the side wall of the first gear. A first motor is fixedly connected to one end of the first rotating shaft, and the first motor is fixedly connected to the mounting ring.

[0007] Preferably, the feeding assembly includes conveying rollers, two of which are arranged within a fixed frame, and each of the two conveying rollers has a movable shaft fixedly connected to the center of its side wall. The movable shaft is movably connected to the fixed frame, and a synchronous pulley is fixedly connected to the side wall of each movable shaft. A second motor is fixedly connected to the fixed frame, and a second rotating shaft is fixedly connected to the output end of the second motor. Another synchronous pulley is fixedly connected to the second rotating shaft, and the same synchronous belt is fitted onto the three synchronous pulleys.

[0008] Preferably, the displacement component includes a second rack, which is fixedly connected to the top surface of the horizontal plate. A third motor is fixedly connected to the central fixed plate, and a third rotating shaft is fixedly connected to the output end of the third motor. A second gear is fixedly connected to the third rotating shaft, and the second gear meshes with the second rack.

[0009] Preferably, the adjustable cutting assembly includes a fixed shell, which is movably connected to a central mounting ring. A first ring gear is fixedly connected to one side of the fixed shell, and the first ring gear is movably connected to the mounting ring. A fourth gear meshes with the first ring gear. A drive shaft is fixedly connected to the center of the fourth gear. A drive motor is fixedly connected to one end of the drive shaft and is fixedly connected to the mounting ring. A first electric push rod is fixedly connected to the top surface of the fixed shell. A plate is fixedly connected to the first electric push rod. Two crossbars are fixedly connected to the side of the plate away from the fixed shell. The other ends of the two crossbars are fixedly connected to the same side plate. A second electric push rod is fixedly connected to the center of the side wall of the side plate. A movable plate is fixedly connected to the second electric push rod. The movable plate is movably connected to the crossbars, and a sphere is damped and mounted at the center of the movable plate. A cutting blade is fixedly connected to the bottom surface of the sphere. A circular shell is movably connected to the top surface of the movable plate, and a universal drive assembly is provided on the circular shell.

[0010] Preferably, the universal drive assembly includes a second ring gear, which is fixedly connected to the outer wall of the circular shell. A third gear meshes with one side of the second ring gear. A fourth rotating shaft is fixedly connected to the center of the side wall of the third gear. A fourth motor is fixedly connected to one end of the fourth rotating shaft. The fourth motor is fixedly connected to a movable plate. A fifth motor is fixedly connected to the top surface of the circular shell. A fifth rotating shaft is fixedly connected to the output end of the fifth motor. The bottom end of the fifth rotating shaft passes through the circular shell and is fixedly connected to a bevel gear. Another bevel gear meshes with the lower side of the bevel gear. A round shaft is fixedly connected to the center of the side wall of the lower bevel gear. Both ends of the round shaft are movably connected to the circular shell. A drive wheel is fixedly connected to the center of the side wall of the round shaft. The drive wheel presses against the side wall of the sphere.

[0011] Preferably, each of the three annular plates has an arc-shaped groove on its sidewall, and each of the connecting rods has a movable block fixedly connected to it, the movable block being movably connected to the arc-shaped groove.

[0012] Preferably, a support plate is fixedly connected to the bottom surface of both sides of the fixed plate, and the same support base is fixedly connected to the bottom surface of the support plate.

[0013] Compared with the prior art, the present invention has at least the following beneficial effects: This invention drives the first motor on the mounting ring to rotate the annular plate on the mounting ring, and the movable block moves in the arc groove. At this time, the connecting rod drives the clamping plate and the fixed frame to move. The clamping plate clamps the plastic pipe, which can realize the cutting operation with the cutting blade stationary relative to the plastic pipe. It also enables the feeding component in the fixed frame to stably transport the plastic pipe, realizing the cutting of plastic pipe without stopping the machine. While ensuring the cutting quality, it can also improve the cutting quality. This invention uses a first electric push rod to move a flat plate, which allows control over the cutting depth, enabling the cutting of plastic pipes of different thicknesses. A second electric push rod drives a movable plate, controlling the cutting position of the cutting blade, allowing the pipe ends to be cut into specified shapes. A drive motor rotates a first ring gear, enabling the cutting blade to perform a circumferential cutting of the plastic pipe. This invention completes the cutting of plastic pipes into different shapes, meeting the practical needs of plastic pipe manufacturing. This invention uses a fifth motor to drive a drive wheel to rotate, which in turn drives a sphere to rotate, allowing for adjustment of the cutting blade's direction relative to the drive wheel. Furthermore, a fourth motor drives a circular shell to rotate, again adjusting the drive wheel's direction. This enables precise control of the cutting angle, allowing for high-quality cutting of the plastic pipe's end face, reducing the need for subsequent processing, and improving the quality and efficiency of plastic pipe cutting. Attached Figure Description

[0014] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and enable those skilled in the art to implement and use the present disclosure.

[0015] Figure 1 This is a schematic diagram of the overall front structure of the present invention; Figure 2 This is a schematic diagram of the overall side structure of the present invention; Figure 3 This is a schematic diagram of the structure on the central mounting ring of the present invention; Figure 4 This is a schematic diagram of the structure on one side of the mounting ring of the present invention; Figure 5 This is a schematic diagram of the internal structure of the adjustable cutting component of the present invention; Figure 6 This is a schematic diagram of the structure of the displacement component of the present invention; Figure 7 This is a schematic diagram of the structure on one of the fixed frames of the present invention; Figure 8 This is a schematic diagram of the structure of the active component of the present invention.

[0016] [Figure Labels] 1. Mounting ring; 2. Annular plate; 3. Movable assembly; 4. Connecting rod; 5. Clamping plate; 6. Fixing frame; 7. Feeding assembly; 8. Fixing plate; 9. Horizontal plate; 10. Displacement assembly; 11. Adjustable cutting assembly; 12. First rack; 13. First gear; 14. First rotating shaft; 15. First motor; 16. Conveyor roller; 17. Movable shaft; 18. Synchronous pulley; 19. Second motor; 20. Second rotating shaft; 21. Synchronous belt; 22. Second rack; 23. Third motor; 24. Third rotating shaft; 25. Second gear; 26. Fixing shell; 27. ... 1. Electric push rod; 28. Flat plate; 29. ​​Crossbar; 30. Side plate; 31. Second electric push rod; 32. Movable plate; 33. Sphere; 34. Circular shell; 35. Fifth motor; 36. Second ring gear; 37. Third gear; 38. Fourth shaft; 39. Fourth motor; 40. Fifth shaft; 41. Bevel gear; 42. Round shaft; 43. Drive wheel; 44. Arc groove; 45. Movable block; 46. Drive motor; 47. Support plate; 48. Support base; 49. Cutting blade; 50. First ring gear; 51. Fourth gear; 52. Drive shaft.

[0017] As shown in the figure, specific structures and devices are labeled in the figure to clearly illustrate the structure of the embodiments of the present invention. However, this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs, and such adjustments or modifications are still included in the scope of the appended claims. Detailed Implementation

[0018] The cutting equipment for producing plastic pipes provided by the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should also be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0019] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0020] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0021] It is understood that the meanings of “on”, “above” and “above” in this disclosure should be interpreted in the broadest sense, such that “on” means not only “directly on” something, but also includes something with an intermediary feature or layer, and that “above” or “above” means not only “on” something, but also includes something “above” or “above” without an intermediary feature or layer.

[0022] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0023] like Figures 1-8 As shown, an embodiment of the present invention provides a cutting device for producing plastic pipes, including an installation ring 1. Three installation rings 1 are concentrically arranged, and an annular plate 2 is movably connected to one side of the installation ring 1. Each annular plate 2 is provided with a movable component 3. The movable component 3 includes a first rack 12, which is arc-shaped and fixedly connected to the side wall of the annular plate 2. A first gear 13 meshes with one side of the first rack 12. A first rotating shaft 14 is fixedly connected to the center of the side wall of the first gear 13. A first motor 15 is fixedly connected to one end of the first rotating shaft 14. The first motor 15 is fixedly connected to the installation ring 1. Several connecting rods 4 are evenly distributed and movably connected on each annular plate 2. The central connecting rod 4 passes through the installation ring 1 and is fixedly connected to a clamping plate 5. An arc-shaped groove 44 is opened on the side wall of each of the three annular plates 2. A movable block 45 is fixedly connected to each connecting rod 4. The movable block 45 is movably connected to the arc-shaped groove 44. In the technical solution of this embodiment, during use, the first motor 15 on the central mounting ring 1 is started. The first motor 15 drives the first gear 13 to rotate through the first rotating shaft 14. The first gear 13 meshes with the first rack 12 to move. The first rack 12 drives the central annular plate 2 to rotate, so that the movable block 45 moves in the arc groove 44. At this time, the connecting rod 4 drives the clamping plate 5 to move. When the clamping plate 5 clamps the plastic pipe, the cutting blade 49 can perform a cutting operation with the plastic pipe stationary. When the clamping plate 5 releases the plastic pipe, the central mounting plate 1 can be reset and the plastic pipe can move a specified length to meet the needs of production. Support plates 47 are fixedly connected to the bottom surfaces of both sides of the fixed plates 8. The same support base 48 is fixedly connected to the bottom surfaces of the support plates 47, which can realize the stable support and placement of this cutting equipment. The connecting rods 4 on both sides pass through the mounting ring 1 and are fixedly connected to the fixed frame 6. The fixed frame 6 is provided with a feeding assembly 7, which includes a conveying roller 16. There are two conveying rollers 16 in the fixed frame 6, and the center of the side wall of each of the two conveying rollers 16 is fixedly connected to a movable shaft 17. The movable shaft 17 is movably connected to the fixed frame 6, and the side wall of the movable shaft 17 is fixedly connected to a synchronous pulley 18. The fixed frame 6 is fixedly connected to a second motor 19. The output end of the second motor 19 is fixedly connected to a second rotating shaft 20. Another synchronous pulley 18 is fixedly connected to the second rotating shaft 20. The same synchronous belt 21 is sleeved on the three synchronous pulleys 18. In the technical solution of this embodiment, driven by the first motors 15 on both sides, the annular plates 2 on both sides can drive the connecting rods 4 to move. The connecting rods 4 drive the fixed blocks 6 to move towards the plastic pipe side, so that the conveying rollers 16 press against the outer wall of the plastic pipe. By starting the second motor 19, the second motor 19 drives the synchronous wheel 18 to rotate through the second rotating shaft 20. With the transmission of the synchronous wheel 18 and the synchronous belt 21, the two movable shafts 17 can rotate synchronously. The movable shafts 17 drive the conveying rollers 16 to rotate, completing the automatic conveying operation of the plastic pipe. By controlling the speed of the second motor 19, the plastic pipe can be cut to a fixed length. Two fixing plates 8 are fixedly connected to each mounting ring 1. The same horizontal plate 9 is installed on the three fixing plates 8 on the same side. A displacement component 10 is provided on one side of the horizontal plate 9. The displacement component 10 includes a second rack 22. The second rack 22 is fixedly connected to the top surface of the horizontal plate 9. A third motor 23 is fixedly connected to the center fixing plate 8. A third rotating shaft 24 is fixedly connected to the output end of the third motor 23. A second gear 25 is fixedly connected to the third rotating shaft 24. The second gear 25 meshes with the second rack 22. In the technical solution of this embodiment, when the clamping plate 5 clamps the plastic pipe, the third motor 23 is in an idle state, which can effectively package the center mounting ring 1 to follow the movement of the plastic pipe and ensure the cutting accuracy of the plastic pipe. When the clamping plate 5 loosens its clamping on the plastic pipe, the third motor 23 is started. The third motor 23 drives the second gear 25 to rotate through the third rotating shaft 24. The second gear 25 meshes with the second rack 22 to move, which can reset the center mounting ring 1 to the initial position, thereby enabling the plastic pipe to be cut again and improving the efficiency of plastic pipe cutting and processing. An adjustable cutting assembly 11 is provided on the side wall of the central annular plate 2. The adjustable cutting assembly 11 includes a fixed shell 26, which is movably connected to the central mounting ring 1. A first ring gear 50 is fixedly connected to one side of the fixed shell 26. The first ring gear 50 is movably connected to the mounting ring 1. A fourth gear 51 meshes with the first ring gear 50. A drive shaft 52 is fixedly connected to the center of the fourth gear 51. A drive motor 46 is fixedly connected to one end of the drive shaft 52. The drive motor 46 is fixedly connected to the mounting ring 1. The top of the fixed shell 26... A first electric push rod 27 is fixedly connected to the surface. A plate 28 is fixedly connected to the first electric push rod 27. Two crossbars 29 are fixedly connected to the side of the plate 28 away from the fixed shell 26. The other end of the two crossbars 29 is fixedly connected to the same side plate 30. A second electric push rod 31 is fixedly connected to the center of the side wall of the side plate 30. A movable plate 32 is fixedly connected to the second electric push rod 31. The movable plate 32 is movably connected to the crossbars 29. A ball 33 is installed in the center of the movable plate 32 with damping. A cutting blade 49 is fixedly connected to the bottom surface of the ball 33. In the technical solution of this embodiment, during the cutting of plastic pipes, the first electric push rod 27 pushes the plate 28 to move, which can control the cutting depth to 49, thereby enabling the cutting of plastic pipes of different thicknesses. The second electric push rod 31 drives the movable plate 32 to move, which can control the cutting position of the cutting blade 49, thereby enabling the end of the plastic pipe to be cut into a specified shape. The drive motor 46 drives the fourth gear 51 to rotate, the fourth gear 51 meshes with the first ring gear 50 to rotate, and the first ring gear 50 drives the fixed shell 26 to rotate, realizing the ring cutting function of the cutting blade 49 on the plastic pipe, completing the cutting of different shapes of plastic pipes and meeting the actual needs of plastic pipes. A circular shell 34 is movably connected to the top surface of the movable plate 32. A universal drive assembly is provided on the circular shell 34. The universal drive assembly includes a second ring gear 36, which is fixedly connected to the outer wall of the circular shell 34. A third gear 37 meshes with one side of the second ring gear 36. A fourth rotating shaft 38 is fixedly connected to the center of the side wall of the third gear 37. A fourth motor 39 is fixedly connected to one end of the fourth rotating shaft 38. The fourth motor 39 is fixedly connected to the movable plate 32. A fifth motor 35 is fixedly connected to the top surface of the circular shell 34. A fifth rotating shaft 40 is fixedly connected to the output end of the fifth motor 35. The bottom end of the fifth rotating shaft 40 passes through the circular shell 34 and is fixedly connected to a bevel gear 41. Another bevel gear 41 meshes with the lower side of the bevel gear 41. A circular shaft 42 is fixedly connected to the center of the side wall of the lower bevel gear 41. Both ends of the circular shaft 42 are movably connected to the circular shell 34. A drive wheel 43 is fixedly connected to the center of the side wall of the circular shaft 42. The drive wheel 43 presses against the side wall of the sphere 33. In the technical solution of this embodiment, during the cutting of plastic pipes, the fifth motor 35 drives the fifth rotating shaft 40 to rotate. The fifth rotating shaft 40 drives the bevel gears 41 to mesh with each other. The bevel gears 41 drive the drive wheel 43 to rotate through the round shaft 42. The drive wheel 43 drives the ball 33 to rotate, which can realize the adjustment operation of the cutting blade 49 in the direction of the drive wheel 43. Furthermore, the fourth motor 39 drives the fourth rotating shaft 38 to rotate. The fourth rotating shaft 38 drives the third gear 37 to mesh with the second ring gear 36 to rotate. The second ring gear 36 drives the round shell 34 to rotate, which realizes the direction adjustment of the drive wheel 43. In this way, the cutting angle of the cutting blade 49 can be precisely controlled, thereby completing a high-quality cutting operation on the end face of the plastic pipe, reducing the need for subsequent reprocessing, and improving the quality and efficiency of plastic pipe cutting.

[0024] This invention encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this invention. To provide the public with a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand the invention even without these details. Furthermore, to avoid unnecessary misunderstanding of the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0025] Those skilled in the art will understand that all or part of the steps in the methods of the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc.

[0026] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A cutting device for producing plastic pipes, comprising an installation ring (1), characterized in that, The mounting rings (1) are arranged concentrically in three parts, and an annular plate (2) is movably connected to one side of the mounting rings (1). Each annular plate (2) is provided with a movable component (3), and several connecting rods (4) are evenly distributed and movably connected to each annular plate (2). The central connecting rod (4) passes through the mounting ring (1) and is fixedly connected to a clamping plate (5). The two side connecting rods (4) pass through the mounting ring (1) and are fixedly connected to a fixing frame (6). The fixing frame (6) is provided with a feeding component (7). Each mounting ring (1) is fixedly connected to two fixing plates (8). The same horizontal plate (9) is installed on the three fixing plates (8) on the same side. A displacement component (10) is provided on one side of the horizontal plate (9). An adjustable cutting component (11) is provided on the side wall of the central annular plate (2).

2. The cutting equipment for producing plastic pipes according to claim 1, characterized in that, The active component (3) includes a first rack (12), which is arc-shaped and fixedly connected to the side wall of the annular plate (2). A first gear (13) meshes with one side of the first rack (12), and a first rotating shaft (14) is fixedly connected to the center of the side wall of the first gear (13). A first motor (15) is fixedly connected to one end of the first rotating shaft (14), and the first motor (15) is fixedly connected to the mounting ring (1).

3. The cutting equipment for producing plastic pipes according to claim 2, characterized in that, The feeding assembly (7) includes a conveying roller (16), two of which are provided in the fixed frame (6), and a movable shaft (17) is fixedly connected to the center of the side wall of each of the two conveying rollers (16). The movable shaft (17) is movably connected to the fixed frame (6), and a synchronous wheel (18) is fixedly connected to the side wall of each movable shaft (17). A second motor (19) is fixedly connected to the fixed frame (6), and a second rotating shaft (20) is fixedly connected to the output end of the second motor (19). Another synchronous wheel (18) is fixedly connected to the second rotating shaft (20), and the same synchronous belt (21) is fitted on the three synchronous wheels (18).

4. The cutting equipment for producing plastic pipes according to claim 3, characterized in that, The displacement component (10) includes a second rack (22), which is fixedly connected to the top surface of the horizontal plate (9). A third motor (23) is fixedly connected to the central fixed plate (8). A third rotating shaft (24) is fixedly connected to the output end of the third motor (23). A second gear (25) is fixedly connected to the third rotating shaft (24). The second gear (25) meshes with the second rack (22).

5. The cutting equipment for producing plastic pipes according to claim 4, characterized in that, The adjustable cutting assembly (11) includes a fixed housing (26), which is movably connected to a central mounting ring (1). A first ring gear (50) is fixedly connected to one side of the fixed housing (26), and the first ring gear (50) is movably connected to the mounting ring (1). A fourth gear (51) meshes with the first ring gear (50). A drive shaft (52) is fixedly connected to the center of the fourth gear (51). A drive motor (46) is fixedly connected to one end of the drive shaft (52). The drive motor (46) is fixedly connected to the mounting ring (1). A first electric push rod (27) is fixedly connected to the top surface of the fixed housing (26). A first electric push rod (27) is fixedly connected to the first electric push rod (27). A plate (28) is connected to the plate (28). Two crossbars (29) are fixedly connected to the side of the plate (28) away from the fixed shell (26). The other end of the two crossbars (29) is fixedly connected to the same side plate (30). A second electric push rod (31) is fixedly connected to the center of the side wall of the side plate (30). A movable plate (32) is fixedly connected to the second electric push rod (31). The movable plate (32) is movably connected to the crossbars (29). A ball (33) is installed in the center of the movable plate (32) with damping. A cutting blade (49) is fixedly connected to the bottom surface of the ball (33). A circular shell (34) is movably connected to the top surface of the movable plate (32). A universal drive assembly is provided on the circular shell (34).

6. The cutting equipment for producing plastic pipes according to claim 5, characterized in that, The universal drive assembly includes a second ring gear (36), which is fixedly connected to the outer wall of the circular shell (34). A third gear (37) meshes with one side of the second ring gear (36). A fourth rotating shaft (38) is fixedly connected to the center of the side wall of the third gear (37). A fourth motor (39) is fixedly connected to one end of the fourth rotating shaft (38). The fourth motor (39) is fixedly connected to the movable plate (32). A fifth motor (35) is fixedly connected to the top surface of the circular shell (34). The output end of the five motors (35) is fixedly connected to a fifth rotating shaft (40). The bottom end of the fifth rotating shaft (40) passes through the circular shell (34) and is fixedly connected to a bevel gear (41). Another bevel gear (41) meshes with the lower side of the bevel gear (41). A circular shaft (42) is fixedly connected to the center of the side wall of the lower bevel gear (41). The two ends of the circular shaft (42) are movably connected to the circular shell (34), and a drive wheel (43) is fixedly connected to the center of the side wall of the circular shaft (42). The drive wheel (43) is pressed against the side wall of the sphere (33).

7. The cutting equipment for producing plastic pipes according to claim 6, characterized in that, The three annular plates (2) are provided with arc grooves (44) on their side walls, and each of the connecting rods (4) is fixedly connected with a movable block (45), which is movably connected to the arc groove (44).

8. The cutting equipment for producing plastic pipes according to claim 7, characterized in that, Support plates (47) are fixedly connected to the bottom surfaces of the two fixed plates (8), and the same support base (48) is fixedly connected to the bottom surfaces of the support plates (47).

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