Automatic cutting table suitable for axial slotted pipes with various diameters

Abstract

According to the technical scheme, the automatic cutting table is characterized in that the automatic cutting table comprises a workbench, the top face of the workbench is connected with a mounting frame, and a cutting block is arranged on one side of the mounting frame; the two placing blocks are arranged on the top surface of the workbench; and the cutting assembly is arranged on one side of the cutting block and used for cutting the pipeline, the cutting assembly comprises an adjusting groove, the adjusting groove is formed in one side of the interior of the cutting block, a sliding block is movably connected to the interior of the adjusting groove, one end of the sliding block is connected with a laser cutter, and the laser cutter is used for cutting the PVC pipe and axially cutting the PVC pipe to complete machining. And a sliding block can slide in an adjusting groove, the cutting angle of a laser cutter is adjusted, a cutting block is pushed to move through a first electric push rod telescopic shaft, the distance between the laser cutter and the PVC pipe is adjusted, PVC pipes with different diameters can be conveniently cut, and the application range of the device is widened.

Description

Technical Field

[0001] The invention relates to the field of engineering blasting, and in particular to an automatic cutting table suitable for axially slotted pipes with various diameters. Background Art

[0002] Axial slotted charging: A PVC pipe (or other strong circular tube) is placed outside the charge roll, and slots are cut along the axial direction of the tube to create an axially slotted pipe. This axially slotted pipe then controls the direction of explosive energy release and crack propagation, thereby achieving a high-quality excavation profile. This method is widely used in engineering fields such as mining, tunneling, and road construction. The required slotted pipe diameter varies significantly across different engineering scenarios. For example, in underground drilling and blasting, where the blasthole diameter is small, a smaller slotted pipe (e.g., 30-50 mm) may be required. However, in open-pit deep-hole blasting, where the blasthole diameter is larger, a larger diameter slotted pipe (e.g., 80-150 mm) may be required. However, currently, for on-site use of axial slotted charging, manual handheld cutting machines are often used to cut the pipe. Furthermore, while some pipe cutting devices have been developed, they are limited to slotted pipe designs with a single or specific diameter, making them difficult to meet diverse engineering needs.

[0003] For example, the Chinese patent with publication number CN213672147U proposes a high-efficiency mobile cutting device, which includes a cutting head for cutting straight seam welded pipes and a cutting table for placing the straight seam welded pipes to be cut; the advance limit frame and the exit limit frame are both arranged on a track base; the cutting table includes a cutting table, a first roller and a second roller; the first roller and the second roller are both arranged in the cutting table; the wheel gap between the first roller and the second roller is greater than the thickness of the cutting head, and the wheel axle of the first roller and the wheel axle of the second roller are respectively perpendicular to the length direction of the straight seam welded pipe to be cut. By setting up the cutting table, the straight seam welded pipe to be cut is always in contact with the cutting table, avoiding the problem of displacement caused by the straight seam welded pipe moving downward after cutting, which leads to reduced cutting accuracy next time. Mobile cutting can ensure that the straight seam welded pipe is always in a mobile state, improve cutting efficiency, have a high degree of automation throughout the process, and have low labor costs. However, in this solution, during the cutting process, when the cutting table is cutting pipes of different diameters, the position of the cutting knife is fixed, which may cause the pipe to not be completely cut. For this reason, we have proposed an automatic cutting table suitable for axially slit pipes of various diameters. Summary of the Invention

[0004] In view of the problems mentioned in the background art, the purpose of the present invention is to provide an automatic cutting table suitable for axially slitting pipes of various diameters to solve the problems mentioned in the background art.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: An automatic cutting table suitable for axially slit pipes of various diameters, comprising: a workbench, the top surface of the workbench is connected to a mounting frame, a cutting block is provided on one side of the mounting frame; two placement blocks, the two placement blocks are provided on the top surface of the workbench; a cutting assembly, the cutting assembly is provided on one side of the cutting block and is used for cutting pipes, the cutting assembly includes an adjustment groove, the adjustment groove is opened on one side of the interior of the cutting block, a slider is movably connected to the interior of the adjustment groove, one end of the slider is connected to a laser cutter, the PVC pipe is cut by the laser cutter, the PVC pipe is cut axially to complete the processing, and the slider can slide in the adjustment groove to adjust the cutting angle of the laser cutter.

[0006] By adopting the above technical solution and setting up the cutting assembly, when in use, the operator places the PVC pipe on the placement block, cuts the PVC pipe with the laser cutter, and cuts the PVC pipe axially to complete the processing. The slider can slide in the adjustment slot to adjust the cutting angle of the laser cutter to meet different cutting requirements and improve work efficiency.

[0007] Preferably, the cutting assembly also includes: a connecting rod, which is connected to one side of the slider, and the outer wall of the connecting rod is rotatably connected to a limit nut; two mounting slots, which are respectively opened on both sides of the mounting frame, and the interior of the mounting slot is connected to a first electric push rod, and one end of the telescopic shaft of the first electric push rod is connected to one side of the cutting block.

[0008] By adopting the above technical solution and setting a limit nut, when in use, the operator rotates the limit nut to bring the limit nut close to the cutting block, so that the slider is fixed in the set position, thereby realizing control of angle adjustment. The cutting block is pushed to move by the telescopic shaft of the first electric push rod, and the distance between the laser cutter and the PVC pipe is adjusted, which facilitates the cutting of PVC pipes of different diameters and improves the scope of application of the device.

[0009] Preferably, two first movable grooves are opened on the top surface of the workbench, the first movable grooves are internally rotatably connected to the first screw rod, the bottom surface of the mounting frame is connected to the first movable block, and the first movable block is threadedly connected to the first screw rod.

[0010] By adopting the above technical solution and setting a first screw rod, the operator can rotate the first screw rod during cutting. The rotation of the first screw rod can drive the first movable block to slide in the first movable groove, and drive the mounting frame to move horizontally, thereby meeting the requirements of different cutting lengths and improving cutting efficiency.

[0011] Preferably, a fixing groove is provided on the top surface of the placement block, a bidirectional screw rod is rotatably connected inside the fixing groove, a fixing plate is movably sleeved inside the fixing groove, and the fixing plate is threadedly connected to the bidirectional screw rod.

[0012] By adopting the above technical solution and setting a bidirectional screw, when in use, when the PVC pipe is placed on the placement block, the operator rotates the bidirectional screw, and the rotation of the bidirectional screw can drive the two fixing plates to approach each other, thereby fixing the PVC pipe, thereby achieving the purpose of fixing the PVC pipe and avoiding offset during the cutting process of the PVC pipe, which affects the cutting accuracy. At the same time, the moving distance of the fixing plate can fix PVC pipes of different diameters, thereby improving practicality.

[0013] Preferably, two first motors are connected to one side of the workbench, one end of the drive shaft of the first motor is connected to one end of the first screw rod, and a second motor is connected to one side of the placement block, one end of the drive shaft of the second motor is connected to one end of the bidirectional screw rod.

[0014] By adopting the above technical solution, a first motor is set up, and when cutting, the second motor is started, and the bidirectional screw is driven to rotate by the rotation of the second motor drive shaft, so that the fixed plate fixes the PVC pipe, thereby achieving the purpose of providing driving force for the rotation of the bidirectional screw. By starting the first motor, the first screw is driven to rotate by the rotation of the first motor drive shaft, and the cutting block is horizontally moved for cutting by the rotation of the first screw, thereby achieving the purpose of providing driving force for the first screw.

[0015] Preferably, two second movable grooves are provided on the top surface of the workbench, and the second movable block is provided inside the movable sleeve of the second movable groove. The second movable block is connected to the placement block. The left and right sides of the workbench are respectively connected to second electric push rods, and one end of the telescopic shaft of the second electric push rod passes through the second movable groove and is connected to one side of the second movable block.

[0016] By adopting the above technical solution and setting up a second electric push rod, when in use, the second moving block is driven to move by the telescopic shaft of the second electric push rod, and the placement block is driven to move by the movement of the second moving block. The fixed position of the placement block can be adjusted according to the length of the PVC pipe, thereby improving practicality.

[0017] Preferably, a non-slip pad is connected to one side of the fixing plate.

[0018] By adopting the above technical solution and providing an anti-skid pad, when fixing, when the fixing plate is close to the PVC pipe, the anti-skid pad increases the friction between the fixing plate and the PVC pipe, thereby improving the stability of the fixing.

[0019] Preferably, a mounting plate is connected to one side of the workbench, a measuring slot is provided on one side of the mounting plate, a laser rangefinder is connected inside the measuring slot, a support plate is connected to the right side of the workbench, an instrument slot is provided on one side of the support plate, a laser tracker is connected inside the instrument slot, and a controller is connected to one side of the workbench.

[0020] By adopting the above technical solution and setting up a laser rangefinder, the length of the PVC pipe can be measured by the laser rangefinder during use, and the cutting length can be set. The laser cutter angle can be monitored in real time by the laser tracker, which makes it convenient for operators to grasp the cutting angle of the laser cutter and improves practicality.

[0021] In summary, the present invention mainly has the following beneficial effects: By setting up the cutting assembly, when in use, the operator places the PVC pipe on the placement block, cuts the PVC pipe through the laser cutter, cuts the PVC pipe axially, and completes the processing. The slider can slide in the adjustment slot to adjust the cutting angle of the laser cutter to meet different cutting requirements and improve work efficiency. By setting the limit nut, when in use, the operator rotates the limit nut to make the limit nut close to the cutting block, so that the slider is fixed in the set position to achieve control of the angle adjustment. The cutting block is pushed to move by the telescopic shaft of the first electric push rod to adjust the distance between the laser cutter and the PVC pipe, which is convenient for cutting PVC pipes of different diameters and improves the scope of application of the device.

[0022] By setting the first screw rod, during cutting, the operator can rotate the first screw rod, and the rotation of the first screw rod can drive the first moving block to slide in the first moving groove, and drive the mounting frame to move horizontally, so as to meet the needs of different cutting lengths and improve the cutting efficiency. By setting the bidirectional screw rod, during use, when the PVC pipe is placed on the placement block, the operator can rotate the bidirectional screw rod, and the rotation of the bidirectional screw rod can drive the two fixing plates to approach each other, thereby fixing the PVC pipe and achieving the purpose of fixing the PVC pipe, avoiding offset during the PVC pipe cutting process and affecting the cutting accuracy. At the same time, the moving distance of the fixing plate can fix PVC pipes of different diameters, thereby improving practicality.

[0023] By setting the first motor, when cutting, starting the second motor, the second motor drive shaft rotates to drive the bidirectional screw to rotate, so that the fixed plate fixes the PVC pipe, thereby providing driving force for the rotation of the bidirectional screw. By starting the first motor, the first motor drive shaft rotates to drive the first screw to rotate, and the cutting block is moved horizontally for cutting by the rotation of the first screw, thereby providing driving force for the first screw.

[0024] By setting up a second electric push rod, when in use, the second moving block is driven to move by the telescopic shaft of the second electric push rod, and the placement block is driven to move by the movement of the second moving block. The fixed position of the placement block can be adjusted according to the length of the PVC pipe. By setting up an anti-slip pad, when fixing, when the fixing plate is close to the PVC pipe, the friction between the fixing plate and the PVC pipe is increased by the anti-slip pad, thereby improving the stability of the fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic structural diagram of the first movable slot of the present invention; Figure 3 It is a schematic structural diagram of the second movable slot of the present invention; Figure 4 is a schematic cross-sectional view of a placement block of the present invention; Figure 5 It is a schematic structural diagram of the mounting frame of the present invention; Figure 6 This is a schematic diagram of the cutting block structure of the present invention Figure numerals: 1. workbench; 2. mounting frame; 3. cutting block; 4. placement block; 5. adjustment slot; 6. slider; 7. laser cutter; 8. connecting rod; 9. limit nut; 10. mounting slot; 11. first electric push rod; 12. first moving slot; 13. first screw rod; 14. first moving block; 15. fixed slot; 16. bidirectional screw rod; 17. fixed plate; 18. first motor; 19. second motor; 20. second moving slot; 21. second moving block; 22. second electric push rod; 23. anti-slip pad; 24. mounting plate; 25. measuring slot; 26. laser rangefinder; 27. support plate; 28. instrument slot; 29. laser tracker; 30. controller. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] refer to Figures 1-6, an automatic cutting table suitable for axial slitting pipes of various diameters, including a workbench 1, a mounting frame 2 is connected to the top surface of the workbench 1, a cutting block 3 is arranged on one side of the mounting frame 2, two placement blocks 4 are arranged on the top surface of the workbench 1, a cutting assembly is arranged on one side of the cutting block 3, for cutting pipes, the cutting assembly includes an adjusting slot 5, the adjusting slot 5 is opened on one side of the interior of the cutting block 3, a slider 6 is movably connected inside the adjusting slot 5, a laser cutter 7 is connected to one end of the slider 6, the PVC pipe is cut by the laser cutter 7, the PVC pipe is cut axially, and the processing is completed, the slider 6 can be slid in the adjusting slot 5 to adjust the cutting angle of the laser cutter 7, by setting the cutting assembly, when in use, the operator places the PVC pipe on the placement block 4, cuts the PVC pipe by the laser cutter 7, and cuts the PVC pipe axially to complete the processing, and the slider 6 is used to cut the PVC pipe. It can slide in the adjustment slot 5 to adjust the cutting angle of the laser cutter 7 to meet different cutting requirements and improve work efficiency. The cutting assembly also includes a connecting rod 8, which is connected to one side of the slider 6. The outer wall of the connecting rod 8 is rotatably connected to the limit nut 9. Mounting slots 10 are respectively provided on both sides of the mounting frame 2. The interior of the mounting slot 10 is connected with a first electric push rod 11. One end of the telescopic shaft of the first electric push rod 11 is connected to one side of the cutting block 3. By setting the limit nut 9, when in use, the operator rotates the limit nut 9 to make the limit nut 9 close to the cutting block 3, so that the slider 6 is fixed in the set position to achieve control of angle adjustment. The cutting block 3 is pushed to move by the telescopic shaft of the first electric push rod 11 to adjust the distance between the laser cutter 7 and the PVC pipe, so as to facilitate cutting of PVC pipes of different diameters. The applicable scope of the lifting device is suitable for blast holes of different diameters.

[0028] Reference Figures 1-6The top surface of the workbench 1 is provided with two first moving grooves 12, and the first moving groove 12 is internally rotatably connected to the first screw rod 13. The bottom surface of the mounting frame 2 is connected to the first moving block 14, and the first moving block 14 is threadedly connected to the first screw rod 13. By setting the first screw rod 13, when cutting, the operator can rotate the first screw rod 13, and the rotation of the first screw rod 13 can drive the first moving block 14 to slide in the first moving groove 12, driving the mounting frame 2 to move horizontally, meeting the needs of different cutting lengths and improving cutting efficiency. The top surface of the placement block 4 is provided with a fixed groove 15, and the internal rotation of the fixed groove 15 is connected to The bidirectional screw rod 16 and the internal movable sleeve of the fixing groove 15 are provided with a fixing plate 17, and the fixing plate 17 is threadedly connected to the bidirectional screw rod 16. By setting the bidirectional screw rod 16, when in use, when the PVC pipe is placed on the placement block 4, the operator rotates the bidirectional screw rod 16, and the rotation of the bidirectional screw rod 16 can drive the two fixing plates 17 to approach each other, thereby fixing the PVC pipe and achieving the purpose of fixing the PVC pipe, avoiding offset during the cutting process of the PVC pipe and affecting the cutting accuracy. At the same time, the moving distance of the fixing plate 17 can fix PVC pipes of different diameters, thereby improving practicality and being suitable for blast holes of different diameters.

[0029] Reference Figures 1-6 , one side of the workbench 1 is connected to two first motors 18, one end of the driving shaft of the first motor 18 is connected to one end of the first screw rod 13, and one side of the placement block 4 is connected to the second motor 19, and one end of the driving shaft of the second motor 19 is connected to one end of the bidirectional screw rod 16. By setting the first motor 18, when cutting, the second motor 19 is started, and the bidirectional screw rod 16 is driven by the second motor 19 to rotate the shaft, so that the fixing plate 17 fixes the PVC pipe, thereby providing a driving force for the rotation of the bidirectional screw rod 16. By starting the first motor 18, the first motor 18 driving shaft is rotated to drive the first screw rod 13 to rotate, and the cutting block 3 is moved horizontally for cutting by rotating the first screw rod 13, thereby providing a driving force for the first screw rod 13. Two second movable grooves 20 are provided on the top surface of the workbench 1. The second movable block 21 is provided inside the movable sleeve of the second movable groove 20. The second movable block 21 is connected to the placement block 4. The left and right sides of the workbench 1 are respectively connected with a second electric push rod 22. One end of the telescopic shaft of the second electric push rod 22 penetrates into the second movable groove 20 and is connected to one side of the second movable block 21. By setting the second electric push rod 22, when in use, the second movable block 21 is driven to move by the movement of the telescopic shaft of the second electric push rod 22, and the placement block 4 is driven to move by the movement of the second movable block 21. The fixed position of the placement block 4 can be adjusted according to the length of the PVC pipe, thereby improving practicality. It is suitable for blast holes of different depths, and the operator can adjust it according to the depth of the blast hole.

[0030] Reference Figures 1-6, one side of the fixing plate 17 is connected to an anti-slip pad 23. By setting the anti-slip pad 23, when the fixing plate 17 is close to the PVC pipe, the friction between the fixing plate 17 and the PVC pipe is increased by the anti-slip pad 23, thereby improving the stability of the fixation. One side of the workbench 1 is connected to a mounting plate 24, one side of the mounting plate 24 is provided with a measuring slot 25, the inside of the measuring slot 25 is connected with a laser rangefinder 26, the right side of the workbench 1 is connected to a support plate 27, one side of the support plate 27 is provided with an instrument slot 28, the inside of the instrument slot 28 is connected with a laser tracker 29, one side of the workbench 1 is connected to a controller 30, the controller 30 is connected to the laser cutter 7, the first electric push rod 11, the first motor 18, the second motor 19, the second electric push rod 22, The laser rangefinder 26 is electrically connected to the laser tracker 29. By setting up the laser rangefinder 26, when in use, the length of the PVC pipe can be measured by the laser rangefinder 26, and the cutting length can be set. The angle of the laser cutter 7 is monitored in real time by the laser tracker 29, which makes it convenient for the operator to master the cutting angle of the laser cutter 7. The axial slit pipe is mainly used for contour control blasting. In the past, bidirectional symmetrical slits were used, but this is only suitable for excavation contours of "single line", such as irregular arch sections or circular section shafts and tunnels. The peripheral holes of the circular section shafts and tunnels are contour blasted. At this time, the angle between the two axial slits needs to be adjusted. For this reason, the operator needs to master the cutting angle of the laser cutter 7 to improve practicality.

[0031] Working principle: Please refer to Figures 1-6As shown, by setting the cutting assembly, when in use, the operator places the PVC pipe on the placement block 4, cuts the PVC pipe through the laser cutter 7, cuts the PVC pipe axially, and completes the processing. The slider 6 can slide in the adjustment slot 5 to adjust the cutting angle of the laser cutter 7 to meet different cutting requirements and improve work efficiency. By setting the limit nut 9, when in use, the operator rotates the limit nut 9 to make the limit nut 9 close to the cutting block 3, so that the slider 6 is fixed in the set position to achieve control of angle adjustment. The cutting block 3 is pushed to move by the telescopic shaft of the first electric push rod 11 to adjust the distance between the laser cutter 7 and the PVC pipe, which is convenient for cutting different PVC pipes of the same diameter are cut to enhance the applicable scope of the device. By setting the first screw rod 13, when cutting, the operator can rotate the first screw rod 13, and the rotation of the first screw rod 13 can drive the first moving block 14 to slide in the first moving groove 12, and drive the mounting frame 2 to move horizontally, so as to meet the needs of different cutting lengths and improve the cutting efficiency. By setting the bidirectional screw rod 16, when in use, when the PVC pipe is placed on the placement block 4, the operator can rotate the bidirectional screw rod 16, and the rotation of the bidirectional screw rod 16 can drive the two fixing plates 17 to move closer to each other, thereby fixing the PVC pipe, thereby achieving the purpose of fixing the PVC pipe, and avoiding deviation during the PVC pipe cutting process, which affects the cutting. Cutting accuracy, at the same time, the movement of the fixed plate 17 can fix PVC pipes of different diameters, improving practicality. By setting the first motor 18, when cutting, the second motor 19 is started, and the bidirectional screw rod 16 is driven to rotate by the second motor 19, so that the fixed plate 17 fixes the PVC pipe, thereby providing a driving force for the rotation of the bidirectional screw rod 16. By starting the first motor 18, the first motor 18 drives the shaft to rotate and the first screw rod 13 is driven to rotate. The cutting block 3 is moved horizontally for cutting by the rotation of the first screw rod 13, thereby providing a driving force for the first screw rod 13. By setting the second electric push rod 22, when in use, the second electric push rod 22 The movement of the telescopic shaft drives the second moving block 21 to move, and the movement of the second moving block 21 drives the placement block 4 to move. The fixed position of the placement block 4 can be adjusted according to the length of the PVC pipe. By setting the anti-slip pad 23, when fixing, when the fixed plate 17 is close to the PVC pipe, the friction between the fixed plate 17 and the PVC pipe is increased by the anti-slip pad 23, thereby improving the stability of the fixation. By setting the laser rangefinder 26, when in use, the length of the PVC pipe is measured by the laser rangefinder 26, and the cutting length can be set. The laser tracker 29 is used to monitor the angle of the laser cutter 7 in real time, so that the operator can grasp the cutting angle of the laser cutter 7 and improve practicality.

[0032] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An automatic cutting table suitable for axially slitting pipes of various diameters, characterized in that: include: A workbench (1), the top surface of the workbench (1) being connected to a mounting frame (2), and a cutting block (3) being provided on one side of the mounting frame (2); Two placement blocks (4), the two placement blocks (4) being arranged on the top surface of the workbench (1); A cutting assembly is provided on one side of the cutting block (3) and is used for cutting pipes. The cutting assembly comprises an adjusting groove (5), the adjusting groove (5) being opened on one side of the interior of the cutting block (3), a slider (6) being movably connected to the interior of the adjusting groove (5), one end of the slider (6) being connected to a laser cutter (7), and the PVC pipe is cut by the laser cutter (7), and the PVC pipe is cut axially to complete the processing. The slider (6) can slide in the adjusting groove (5) to adjust the cutting angle of the laser cutter (7).

2. The automatic cutting table for axially slitting pipes of various diameters according to claim 1, characterized in that: The cutting assembly further comprises: A connecting rod (8), the connecting rod (8) being connected to one side of the slider (6), and the outer wall of the connecting rod (8) being rotatably connected to a limiting nut (9); Two mounting slots (10), the two mounting slots (10) are respectively opened on both sides of the mounting frame (2), a first electric push rod (11) is connected inside the mounting slot (10), and one end of the telescopic shaft of the first electric push rod (11) is connected to one side of the cutting block (3).

3. The automatic cutting table suitable for axially slitting pipes of various diameters according to claim 2, characterized in that: The top surface of the workbench (1) is provided with two first movable grooves (12), the interior of the first movable grooves (12) is rotatably connected to a first screw rod (13), the bottom surface of the mounting frame (2) is connected to a first movable block (14), and the first movable block (14) is threadedly connected to the first screw rod (13).

4. The automatic cutting table for axially slitting pipes of various diameters according to claim 3, characterized in that: A fixing groove (15) is provided on the top surface of the placement block (4), a bidirectional screw rod (16) is rotatably connected inside the fixing groove (15), a fixing plate (17) is movably sleeved inside the fixing groove (15), and the fixing plate (17) is threadedly connected to the bidirectional screw rod (16).

5. The automatic cutting table for axially slitting pipes of various diameters according to claim 4, characterized in that: One side of the workbench (1) is connected to two first motors (18), one end of a drive shaft of the first motor (18) is connected to one end of the first screw rod (13), and one side of the placement block (4) is connected to a second motor (19), one end of a drive shaft of the second motor (19) is connected to one end of the bidirectional screw rod (16).

6. The automatic cutting table for axially slitting pipes of various diameters according to claim 1, characterized in that: The top surface of the workbench (1) is provided with two second movable grooves (20), the second movable blocks (21) are movably sleeved inside the second movable grooves (20), and the second movable blocks (21) are connected to the placement blocks (4). The left and right sides of the workbench (1) are respectively connected to second electric push rods (22), and one end of the telescopic shaft of the second electric push rod (22) penetrates into the second movable groove (20) and is connected to one side of the second movable block (21).

7. The automatic cutting table suitable for axially slitting pipes of various diameters according to claim 4, characterized in that: An anti-slip pad (23) is connected to one side of the fixing plate (17).

8. The automatic cutting table suitable for axially slitting pipes of various diameters according to claim 1, characterized in that: One side of the workbench (1) is connected to a mounting plate (24), one side of the mounting plate (24) is provided with a measuring slot (25), the interior of the measuring slot (25) is connected to a laser rangefinder (26), the right side of the workbench (1) is connected to a support plate (27), one side of the support plate (27) is provided with an instrument slot (28), the interior of the instrument slot (28) is connected to a laser tracker (29), and one side of the workbench (1) is connected to a controller (30).

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