Pipeline cutting positioning device and pipeline cutting machine

Abstract

The invention discloses a pipeline cutting positioning device and a pipeline cutting machine, and belongs to the technical field of cutting machines. The cutting machine comprises a supporting bottom frame, a first supporting vertical plate, a second supporting vertical plate, a first adjusting assembly, a mounting support, a cutting blade, a collecting box and a scrap collecting assembly; external supplied water is conveyed to a connector through a hose by opening a water inlet valve in the chipping collecting assembly and is sprayed to the surface of a cutting blade from a spray head, the cutting blade can be cooled, chippings can also fall into a collecting box, sewage in the collecting box can be discharged by opening a blow-down valve, and the chipping collecting assembly is convenient to use. And splashing chippings and water can be guided downwards through the arranged shielding plate, so that the chippings and the water can fall into the collecting box, the chippings can be collected while the chippings are prevented from splashing, and the cutting blade can be cooled.

Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline cutting machines, and in particular, relates to a pipeline cutting positioning device and a pipeline cutting machine. Background Art

[0002] With the development of modern mechanical processing industry, the requirements for cutting quality and precision are constantly increasing, and the requirements for improving production efficiency, reducing production costs, and having highly intelligent automatic cutting functions are also increasing. The development of CNC cutting machines must adapt to the requirements of the development of modern mechanical processing industry. Cutting machines are divided into flame cutting machines, plasma cutting machines, laser cutting machines, water cutting machines, etc. Laser cutting machines are the most efficient, with the highest cutting accuracy and generally smaller cutting thickness. Plasma cutting machines also have a very fast cutting speed, and the cutting surface has a certain slope. Flame cutting machines are aimed at thicker carbon steel materials.

[0003] Chinese patent CN222037029U discloses a pipe cutting machine with anti-splash function, including a workbench, a support plate, a fixed frame, a hydraulic rod, a movable plate and a cutting mechanism for cutting pipes, and also includes: a limiting structure arranged on both sides of the fixed frame and used to press the pipe; a baffle movably connected to the inside of the workbench and used to shield the debris and sparks generated when cutting the pipe, and a plurality of teeth are fixed on both sides of the back of the baffle. A first motor is fixed to the bottom of the workbench, and the output shaft of the first motor is bolted with a rotating rod. Before cutting the pipe, the baffle can be driven to move upward, thereby shielding the surface of the cutting mechanism to prevent the debris and sparks generated when cutting the pipe from splashing randomly and affecting the safety of the staff. At the same time, the length of the cut pipe can be adjusted to improve applicability.

[0004] Although the above-mentioned prior art can shield the debris and sparks flying during cutting, the blocked sparks and debris will fall on the equipment, which is inconvenient to clean, and will also fly in the surrounding working environment, making the working environment extremely messy. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0006] In order to solve the problem raised in the above background technology that blocked sparks and debris will fall on the equipment, making it inconvenient to clean, and will also splash in the surrounding working environment, making the working environment extremely messy, the present invention adopts the following technical solution.

[0007] A pipe cutting machine comprises a supporting bottom frame, wherein the first supporting vertical plates are fixedly connected to the two sides of the upper end of the supporting bottom frame near the back side, and the second supporting vertical plates are fixedly connected to the two sides of the upper end of the supporting bottom frame near the front side, and a first adjusting component is installed on the supporting bottom frame, and the inner walls of the first supporting vertical plates on both sides near the upper ends are detachably connected to the third bearing seats, and the interior of the third bearing seats on both sides is detachably connected to the first connecting rod, the first connecting rod rotates through the third bearing seats on both sides, and the first connecting rod is slidably connected to the mounting bracket, and the mounting bracket is detachably connected to a driving motor, a protective shell is installed on the outside of the cutting blade, and a cutting blade is arranged inside the protective shell, the protective shell is detachably connected to the outer wall of the mounting bracket, and a linkage component is installed between the driving motor and the cutting blade, and the first adjusting component adjusts the mounting bracket to rotate, and a collecting box is installed on the upper ends of the second supporting vertical plates on both sides, and a moving component is installed on the upper end of the collecting box, and the upper end of the moving component is detachably connected to a moving platform, and a debris collection component is installed on the protective shell, and the debris collection component allows the debris to fall into the interior of the collecting box.

[0008] Preferably, the first connecting rod is detachably connected to limiting sleeves on both sides of the mounting bracket, and the limiting sleeves fix the position of the rotating hand wheel.

[0009] Preferably, the debris collection assembly includes an inlet valve, a connector, a nozzle and a hose. A drain valve is detachably connected to the bottom of one side of the collection box, and a water inlet valve is detachably connected to a first supporting vertical plate on one side. One end of the water inlet valve is connected to an external water supply, and the other end is detachably connected to a hose. The outer wall of the protective shell is detachably connected to a connector, which is inserted into the interior of the protective shell and detachably connected to the nozzle, and the hose is detachably connected to the connector.

[0010] Preferably, an outer wall of the protective shell close to the bottom is detachably connected with a shielding plate.

[0011] Preferably, the first adjustment component includes a pedal, a third connecting plate, a hinge, a first connecting plate, a second connecting rod and a first bearing seat. The rotating hand wheel is rotatably connected to the hinge near the first connecting rod. The inner walls of the first support vertical plates on both sides near the bottom are detachably connected to the first bearing seat. The second connecting rod is detachably connected between the first bearing seats on both sides. The second connecting rod can rotate through the first bearing seat. The hinge is detachably connected to the outer wall of the second connecting rod. The hinge is rotatably connected to the third connecting plate. The third connecting plate is rotatably connected to the second support vertical plates on both sides, and the pedal is fixedly connected to the third connecting plate.

[0012] Preferably, a second adjustment assembly is mounted on the third connecting plate, and the second adjustment assembly can enable the hinge to rotate.

[0013] Preferably, the second adjustment assembly includes a second connecting plate, a fourth connecting plate, a rotating handwheel, an adjusting screw and a second bearing seat. The second connecting plate is rotatably connected to the hinge, the upper end of the third connecting plate is fixedly connected to the fourth connecting plate, the second bearing seat is detachably connected to the fourth connecting plate, the interior of the second bearing seat is detachably connected to the adjusting screw, the adjusting screw is threadedly connected to the second connecting plate, the end of the adjusting screw close to the second bearing seat is fixedly connected to the rotating handwheel, the adjusting screw rotates through the second bearing seat, and the top of the fourth connecting plate is detachably connected to a buffer rubber head.

[0014] Preferably, the moving component includes an installation box, moving wheels and sliding rails. The sliding rails are detachably connected to both sides of the upper end of the collection box, the placing table is detachably connected to the bottom of the moving platform, the upper end of the placing table is concave, and the bottom of the moving platform is fixedly connected with a plurality of fixed columns that are detachably connected to the inner bottom of the placing table. The bottom of the placing table is detachably connected to the installation box, the upper end of the installation box is provided with a penetrating connecting groove, the upper end of the moving platform is provided with a cutting groove, and the outer walls on both sides of the installation box are detachably connected with moving wheels, and the moving wheels are inserted into the inside of the sliding rails.

[0015] The present invention also discloses a pipe cutting and positioning device, comprising the pipe cutting machine described above, the pipe cutting and positioning device comprising an L-shaped connecting block, the horizontal side of the L-shaped connecting block is rotatably connected to a fifth connecting plate, the outer wall of the fifth connecting plate is threadedly connected to a threaded rod, the outer wall of the screw rod is fixedly connected to a fixed screw cap, the vertical side of the L-shaped connecting block is provided with a threaded hole, the bottom of the vertical side of the L-shaped connecting block is fixedly connected to a mounting base plate, one side of the mounting base plate is fixedly connected to a positioning plate, one side of the movable platform is fixedly connected to a mounting flange, the vertical side of the L-shaped connecting block and the fifth connecting plate are clamped on the mounting flange.

[0016] Preferably, a connecting disc body is rotatably connected to the mounting base plate, a threaded rod is threadedly connected to the connecting disc body, and a fixed handle is fixedly connected to the upper end of the threaded rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects: By opening the water inlet valve in the debris collection assembly, external water supply is transported to the connecting head through a hose and sprayed from the nozzle onto the surface of the cutting blade, which can not only cool the cutting blade, but also cause the debris to fall downward into the collection box. By opening the drain valve, the sewage in the collection box can be discharged, and the baffle can guide the splashing debris and water downward so that they can fall into the collection box, thereby preventing the debris from splashing while also collecting the debris and cooling the cutting blade.

[0018] By stepping on or lifting up the pedal in the first adjustment component, the third connecting plate can be rotated between the second supporting vertical plates on both sides, and then the electric hinge can rotate on the second connecting rod, and then the mounting bracket can be rotated on the first connecting rod through the first connecting plate, so that the cutting blade can be adjusted to rotate downward or upward, and then the pedal can be stepped on in an emergency to move the cutting blade upward.

[0019] By rotating the rotating handwheel in the second adjustment component, the adjusting screw can be rotated, so that the second connecting plate can be moved closer to the fourth connecting plate or away from the connecting head, thereby driving the hinge to rotate, adjusting the angle of the mounting bracket, and fixing the adjusted angle.

[0020] By setting the moving wheels in the moving assembly, the moving platform can be moved toward the cutting blade, so that the pipe on the upper end of the moving platform can contact the cutting blade for cutting. The cutting blade can be inserted through the cutting groove to facilitate the cutting of debris and the downward flow of sewage.

[0021] By rotating the fixed screw nut, the screw rod is threadedly connected to the threaded hole on the L-shaped connecting block and can be clamped on the mounting flange. By adjusting the position of the L-shaped connecting block and the fifth connecting plate, the position of the positioning plate can be adjusted. By contacting one end of the pipe with the outer wall of the positioning plate, the pipe can be positioned. By rotating the fixed handle, the threaded rod is driven to rotate and contact the upper end of the movable platform, thereby increasing the stability of the positioning of the positioning plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of a pipeline cutting and positioning device and a pipeline cutting machine in the present invention; Figure 2 It is a schematic diagram of the structure of the cutting blade in the present invention; Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle; Figure 4 It is a schematic diagram of the structure of the regulating component in the present invention; Figure 5 It is a schematic diagram of the structure of the mobile station in the present invention; Figure 6 It is a schematic diagram of the structure of a positioning device in the present invention.

[0023] The corresponding relationship between the illustrations and component names in the figure is as follows: 100, supporting bottom frame; 101, first supporting vertical plate; 102, second supporting vertical plate; 200, cutting blade; 201, first bearing seat; 202, driving motor; 203, linkage assembly; 204, hinge; 205, first connecting plate; 206, second connecting plate; 207, third connecting plate; 208, fourth connecting plate; 209, rotating hand wheel; 210, adjusting screw rod; 211, second bearing seat; 212, buffer rubber head; 213, first connecting rod; 214, limiting sleeve; 215, third bearing seat; 216, protective shell; 217, water inlet valve; 218, connector; 219, mounting bracket; 220, pedal; 221, shielding plate; 222, second connecting rod; 300, moving table; 301, placing table; 302, mounting flange; 303, mounting box; 304, sliding track; 305, collecting box; 306, drain valve; 307, cutting groove; 308, moving wheel; 400, L-shaped connecting block; 401, fifth connecting plate; 402, fixing screw cap; 403, mounting base plate; 404, positioning plate; 405, connecting plate body; 406, fixing handle. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] like Figure 1As shown, it is a schematic diagram of the structure of a pipe cutting and positioning device and a pipe cutting machine according to a preferred embodiment of the present invention. The pipe cutting machine of this embodiment includes a supporting base frame 100, and first supporting vertical plates 101 are fixedly connected to both sides of the upper end of the supporting base frame 100 near the back, and cutting blades 200 are installed on the first supporting vertical plates 101 on both sides. Second supporting vertical plates 102 are fixedly connected to both sides of the upper end of the supporting base frame 100 near the front, and a slidable moving platform 300 is installed on the upper end of the second supporting vertical plate 102. In this embodiment, the pipe to be cut is placed on the upper end of the moving platform 300, and the moving platform 300 is pushed to move in the direction of the cutting blade 200, so that the pipe can be cut by rotating the cutting blade 200.

[0028] like Figure 2 , Figure 3 as well as Figure 4 As shown, it is a schematic diagram of the adjustment component structure in this embodiment, the inner walls of the first support vertical plates 101 on both sides near the upper end can be detachably connected with the third bearing seat 215, the inside of the third bearing seats 215 on both sides can be detachably connected with the first connecting rod 213, the first connecting rod 213 rotates through the third bearing seats 215 on both sides, the first connecting rod 213 is slidably connected with the mounting bracket 219, the first connecting rod 213 is located on both sides of the mounting bracket 219 and is detachably connected with the limited position sleeve 214, the mounting bracket 219 is detachably connected with the drive motor 202, the outside of the cutting blade 200 is installed with a protective shell 216, the protective shell 216 is detachably connected to the outer wall of the mounting bracket 219, a linkage assembly 203 is installed between the drive motor 202 and the cutting blade 200, the rotating hand wheel 209 is rotatably connected with the hinge 204 near the first connecting rod 213, the inner walls of the first support vertical plates 101 on both sides near the bottom are detachably connected with the first bearing seat 201, the first bearings on both sides A second connecting rod 222 is detachably connected between the seats 201, and the second connecting rod 222 can rotate through the first bearing seat 201. The hinge 204 is detachably connected to the outer wall of the second connecting rod 222. The hinge 204 is rotatably connected to the third connecting plate 207, and the third connecting plate 207 is rotatably connected to the second supporting vertical plates 102 on both sides. A pedal 220 is fixedly connected to the third connecting plate 207, and a buffer rubber head 212 is detachably connected to the top of the fourth connecting plate 208. In this embodiment, the third connecting plate 207 can be rotated between the second supporting vertical plates 102 on both sides by stepping on or lifting the pedal 220 upward, and then the electric hinge 204 rotates on the second connecting rod 222, and then the mounting bracket 219 can be rotated on the first connecting rod 213 through the first connecting plate 205, so that the cutting blade 200 can be adjusted to rotate downward or upward, and then the pedal 220 can be stepped on in a crisis situation to move the cutting blade 200 upward.

[0029] It is worth noting that the above-mentioned pedal 220, third connecting plate 207, hinge 204, first connecting plate 205, second connecting rod 222 and first bearing seat 201 are the first adjustment component in this embodiment. The first adjustment component includes but is not limited to the pedal 220, third connecting plate 207, hinge 204, first connecting plate 205, second connecting rod 222 and first bearing seat 201. As long as it is a component that can rotate the mounting bracket 219, it can be applied to this embodiment.

[0030] like Figure 2 as well as Figure 4 As shown, it is a schematic diagram of the structure of the second adjustment component in this embodiment, the second connecting plate 206 is rotatably connected to the hinge 204, the upper end of the third connecting plate 207 is fixedly connected to the fourth connecting plate 208, the second bearing seat 211 is detachably connected to the fourth connecting plate 208, the interior of the second bearing seat 211 is detachably connected to an adjusting screw 210, the adjusting screw 210 is threadedly connected to the second connecting plate 206, the end of the adjusting screw 210 close to the second bearing seat 211 is fixedly connected to a rotating handwheel 209, the adjusting screw 210 rotates through the second bearing seat 211, in this embodiment, the adjusting screw 210 can be rotated by rotating the rotating handwheel 209, so that the second connecting plate 206 can be close to the fourth connecting plate 208 or away from the connecting head 218, thereby driving the hinge 204 to rotate, adjusting the angle of the mounting bracket 219, and fixing the adjusted angle.

[0031] It is worth noting that the above-mentioned second connecting plate 206, fourth connecting plate 208, rotating hand wheel 209, adjusting screw 210 and second bearing seat 211 are the second adjustment components in this embodiment. The second adjustment components include but are not limited to the second connecting plate 206, fourth connecting plate 208, rotating hand wheel 209, adjusting screw 210 and second bearing seat 211. As long as the components can adjust the rotation of the mounting bracket 219 and can be fixed, they can be applied to this embodiment.

[0032] like Figure 2 as well as Figure 5As shown, it is a schematic diagram of the structure of the anti-sputtering assembly in this embodiment, the upper ends of the second support vertical plates 102 on both sides are detachably connected to the collection box 305, and the bottom of one side of the collection box 305 is detachably connected to the drain valve 306, and the first support vertical plate 101 on one side is detachably connected to the water inlet valve 217, one end of the water inlet valve 217 is connected to the external water supply, and the other end is detachably connected to the hose, the outer wall of the protective shell 216 is detachably connected to the connector 218, the connector 218 is inserted into the interior of the protective shell 216 and is detachably connected to the nozzle, the hose is detachably connected to the connector 218, and the outer wall of the protective shell 216 near the bottom is detachable. A baffle plate 221 is connected. In this embodiment, by opening the water inlet valve 217, external water supply is transported to the connecting head 218 through a hose and sprayed from the nozzle onto the surface of the cutting blade 200, which can not only cool the cutting blade 200, but also cause debris to fall downward into the collection box 305. By opening the drain valve 306, the sewage in the collection box 305 can be discharged. The baffle plate 221 can guide the splashing debris and water downward so that they can fall into the collection box 305, thereby preventing the debris from splashing while collecting the debris and cooling the cutting blade 200.

[0033] It is worth noting that the above-mentioned water inlet valve 217, connecting head 218, nozzle and hose are the debris collection components in this embodiment. The debris collection components include but are not limited to the water inlet valve 217, connecting head 218, nozzle and hose. As long as the components can collect debris inside the collection box 305, they can be applied to this embodiment.

[0034] like Figure 5 as well as Figure 6 As shown, it is a schematic diagram of the structure of the movable platform in this embodiment, the upper ends of the collecting box 305 are detachably connected with sliding rails 304, the bottom of the movable platform 300 is detachably connected with a placing platform 301, the upper end of the placing platform 301 is concave, and the bottom of the movable platform 300 is fixedly connected with a plurality of fixing columns detachably connected to the inner bottom of the placing platform 301, and the bottom of the placing platform 301 is detachably connected with a mounting box 303, and the upper end of the mounting box 303 is provided with a through connecting groove, and the upper end of the movable platform 300 is provided with a cutting groove 307, and the outer walls of both sides of the mounting box 303 are detachably connected with moving wheels 308, and the moving wheels 308 are plugged into the inside of the sliding rails 304. In this embodiment, the setting of the moving wheels 308 can make the movable platform 300 move toward the direction of the cutting blade 200, so that the pipe at the upper end of the movable platform 300 can contact the cutting blade 200 for cutting, and the cutting groove 307 can make the cutting blade 200 inserted to facilitate the cutting of debris and the downward flow of sewage.

[0035] It is worth noting that the above-mentioned installation box 303, moving wheels 308 and sliding rails 304 are the moving components in this embodiment. The moving components include but are not limited to the installation box 303, moving wheels 308 and sliding rails 304. As long as the components can enable the placement table 301 and the moving table 300 to move at the upper end of the collection box 305, they can be applied to this embodiment.

[0036] In summary, the specific use of this embodiment is as follows: First, by stepping on the pedal 220 or rotating the rotating hand wheel 209, the second connecting plate 206 is moved upward close to the fourth connecting plate 208 or the third connecting plate 207 to rotate the hinge 204, so that the rotating hand wheel 209 can be rotated on the first connecting rod 213 to make the cutting blade 200 move downward, and then the pipeline is installed on the upper end of the movable platform 300, and the movable platform 300 is pushed to move toward the cutting blade 200 through the moving wheels 308 installed on both sides of the installation box 303, so that the pipeline can be cut, and the external water supply is transported to the connecting head 218 through the hose by opening the water inlet valve 217 and sprayed from the nozzle, so that water can be sprayed on the cutting blade 200 to cool the cutting blade 200, and the debris during cutting can be dropped downward by the water through the cutting groove 307, the placement table 301 and the installation box 303 into the collection box 305 for collection, and the sewage in the collection box 305 can be discharged later by opening the sewage valve 306.

[0037] This embodiment also discloses a pipeline cutting and positioning device, such as Figure 6As shown, it is a structural schematic diagram of a pipeline cutting and positioning device in this embodiment, the positioning device is installed in the above-mentioned pipeline cutting machine, and the pipeline cutting and positioning device includes an L-shaped connecting block 400, the horizontal side of the L-shaped connecting block 400 is rotatably connected with a fifth connecting plate 401, the outer wall of the fifth connecting plate 401 is threadedly connected with a threaded rod, the outer wall of the screw is fixedly connected with a fixed screw cap 402, the vertical side of the L-shaped connecting block 400 is provided with a threaded hole, the bottom of the vertical side of the L-shaped connecting block 400 is fixedly connected with a mounting base plate 403, one side of the mounting base plate 403 is fixedly connected with a positioning plate 404, the mounting base plate 403 is rotatably connected with a connecting disc body 405, the connecting disc body 405 is threadedly connected with a threaded rod, and the upper end of the threaded rod is fixedly connected with A fixing handle 406 is fixedly connected to one side of the movable platform 300 with a mounting flange 302, and the vertical side of the L-shaped connecting block 400 and the fifth connecting plate 401 are clamped on the mounting flange 302. In this embodiment, the fixing screw cap 402 is rotated to make the screw rod threadedly connected to the threaded hole on the L-shaped connecting block 400, and then can be clamped on the mounting flange 302. The position of the positioning plate 404 can be adjusted by adjusting the position of the L-shaped connecting block 400 and the fifth connecting plate 401. The positioning of the pipeline can be completed by contacting one end of the pipeline with the outer wall of the positioning plate 404. The fixing handle 406 is rotated to drive the threaded rod to rotate and contact the upper end of the movable platform 300, thereby increasing the stability of the positioning of the positioning plate 404.

[0038] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the scope of protection determined by the claims submitted for the present invention.

Claims

1. A pipe cutting machine, comprising a supporting bottom frame (100), wherein first supporting vertical plates (101) are fixedly connected to both sides of the upper end of the supporting bottom frame (100) near the back, and second supporting vertical plates (102) are fixedly connected to both sides of the upper end of the supporting bottom frame (100) near the front, wherein: A first adjustment assembly is installed on the support bottom frame (100); inner walls of the first support vertical plates (101) on both sides near the upper ends are detachably connected to third bearing seats (215); the interiors of the third bearing seats (215) on both sides are detachably connected to first connecting rods (213); the first connecting rods (213) rotate through the third bearing seats (215) on both sides; a mounting bracket (219) is slidably connected to the first connecting rods (213); the mounting bracket (219) is detachably connected to a driving motor (202); a protective housing (216) is installed on the outside of the cutting blade (200); the interior of the protective housing (216) is provided with A cutting blade (200) is arranged, the protective shell (216) is detachably connected to the outer wall of the mounting bracket (219), a linkage assembly (203) is installed between the driving motor (202) and the cutting blade (200), a first adjustment assembly adjusts the mounting bracket (219) to rotate, a collection box (305) is installed at the upper end of the second support vertical plates (102) on both sides, a moving assembly is installed at the upper end of the collection box (305), the upper end of the moving assembly is detachably connected to the moving platform (300), and a debris collection assembly is installed on the protective shell (216), and the debris collection assembly allows debris to fall into the interior of the collection box (305).

2. The pipe cutting machine according to claim 1, characterized in that: The first connecting rod (213) is located on both sides of the mounting bracket (219) and is detachably connected to the limiting shaft sleeves (214), and the limiting shaft sleeves (214) fix the position of the rotating hand wheel (209).

3. The pipe cutting machine according to claim 2, characterized in that: The debris collection assembly comprises a water inlet valve (217), a connector (218), a nozzle and a hose; a drain valve (306) is detachably connected to the bottom of one side of the collection box (305); a water inlet valve (217) is detachably connected to the first support vertical plate (101) on one side; one end of the water inlet valve (217) is connected to an external water supply, and the other end is detachably connected to a hose; an outer wall of the protective shell (216) is detachably connected to the connector (218); the connector (218) is inserted into the interior of the protective shell (216) and is detachably connected to the nozzle; and the hose is detachably connected to the connector (218).

4. The pipe cutting machine according to claim 3, characterized in that: The outer wall of the protective housing (216) close to the bottom is detachably connected to a shielding plate (221).

5. The pipe cutting machine according to claim 4, characterized in that: The first adjustment component comprises a pedal (220), a third connecting plate (207), a hinge (204), a first connecting plate (205), a second connecting rod (222) and a first bearing seat (201); the rotating hand wheel (209) is rotatably connected to the hinge (204) near the first connecting rod (213); the first bearing seat (201) is detachably connected to the inner wall of the first supporting vertical plates (101) on both sides near the bottom; the second connecting rod (222) is detachably connected between the first bearing seats (201) on both sides; the second connecting rod (222) can rotate through the first bearing seat (201); the hinge (204) is detachably connected to the outer wall of the second connecting rod (222); the hinge (204) is rotatably connected to the third connecting plate (207); the third connecting plate (207) is rotatably connected to the second supporting vertical plates (102) on both sides; and the pedal (220) is fixedly connected to the third connecting plate (207).

6. The pipe cutting machine according to claim 5, characterized in that: A second adjustment component is installed on the third connecting plate (207), and the second adjustment component can enable the hinge (204) to rotate.

7. The pipe cutting machine according to claim 6, characterized in that: The second adjustment component comprises a second connecting plate (206), a fourth connecting plate (208), a rotating hand wheel (209), an adjusting screw (210) and a second bearing seat (211); the second connecting plate (206) is rotatably connected to the hinge (204); the fourth connecting plate (208) is fixedly connected to the upper end of the third connecting plate (207); the second bearing seat (211) is detachably connected to the fourth connecting plate (208); the adjusting screw (210) is detachably connected inside the second bearing seat (211); the adjusting screw (210) is threadedly connected to the second connecting plate (206); the rotating hand wheel (209) is fixedly connected to the end of the adjusting screw (210) close to the second bearing seat (211); the adjusting screw (210) rotates through the second bearing seat (211); and the top of the fourth connecting plate (208) is detachably connected to a buffer rubber head (212).

8. The pipe cutting machine according to claim 7, characterized in that: The moving assembly comprises an installation box (303), moving wheels (308) and a sliding track (304); the two sides of the upper end of the collection box (305) are detachably connected to the sliding track (304); the bottom of the moving platform (300) is detachably connected to the placement platform (301); the upper end of the placement platform (301) is concave; the bottom of the moving platform (300) is fixedly connected to a plurality of fixing columns detachably connected to the inner bottom of the placement platform (301); the bottom of the placement platform (301) is detachably connected to the installation box (303); the upper end of the installation box (303) is provided with a through-going connecting groove; the upper end of the moving platform (300) is provided with a cutting groove (307); the outer walls of both sides of the installation box (303) are detachably connected to the moving wheels (308); the moving wheels (308) are plugged into the inside of the sliding track (304).

9. A pipeline cutting and positioning device, characterized in that: The pipe cutting machine comprises any one of items 1 to 8 above, wherein the pipe cutting positioning device comprises an L-shaped connecting block (400), the horizontal side of the L-shaped connecting block (400) is rotatably connected to a fifth connecting plate (401), the outer wall of the fifth connecting plate (401) is threadedly connected to a threaded rod, the outer wall of the threaded rod is fixedly connected to a fixed screw cap (402), the vertical side of the L-shaped connecting block (400) is provided with a threaded hole, the bottom of the vertical side of the L-shaped connecting block (400) is fixedly connected to a mounting base plate (403), one side of the mounting base plate (403) is fixedly connected to a positioning plate (404), one side of the movable platform (300) is fixedly connected to a mounting flange (302), and the vertical side of the L-shaped connecting block (400) and the fifth connecting plate (401) are clamped on the mounting flange (302).

10. The pipeline cutting and positioning device according to claim 9, characterized in that: A connecting disc body (405) is rotatably connected to the mounting base plate (403), a threaded rod is threadedly connected to the connecting disc body (405), and a fixed handle (406) is fixedly connected to the upper end of the threaded rod.

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