Finish rolling unit capable of continuously slitting finish rolling pipes and slitting method thereof

Abstract

The invention discloses a finish rolling unit capable of continuously slitting finish rolling pipes, which comprises a box body, a control panel is mounted at one end of the box body, and a mounting frame is mounted at the top end of a worktable. The servo motor is installed at one end of the box body, the servo motor works to drive the second gear to rotate, the second gear and the first gear rotate to drive the finishing roller to rotate, when the finishing roller rotates, the transmission wheel at one end of the finishing roller rotates to drive the transmission belt to rotate, and the transmission belt drives other transmission wheels to rotate; after a pipeline enters the box body, a second conveying wheel rotates to drive the pipeline before machining to move, then the pipeline passes through a first cleaning wheel, the first cleaning wheel is also driven by a transmission belt to rotate to clean the surface of the pipeline, the machined pipeline passes through a second cleaning wheel, and the second cleaning wheel rotates to clean the machined pipeline. In this way, the purpose that the finishing mill unit can conveniently clean the pipeline needing to be machined is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of finishing tube processing, and in particular to a finishing mill group capable of continuously slitting finishing tubes and a slitting method thereof. Background Art

[0002] Rolling is a metal processing technology. A metal billet is passed through the gap between a pair of rotating rollers. Due to the compression of the rollers, the cross-section of the material is reduced and the length is increased. Finished rolled pipe is also called cold-rolled precision steel pipe. It is a production process for seamless steel pipe. Finished rolled pipe is one of the higher-grade varieties of seamless steel pipe products. It has the characteristics of high precision and surface finish requirements. In particular, seamless steel pipes for oil cylinders have higher quality requirements than other varieties. Finishing rolling machinery is mainly used in aviation control technology and manufacturing technology. Finishing mill is an instrument used in the field of power and electrical engineering. The main application areas of finishing mills include metallurgical industry and aviation control technology and manufacturing technology.

[0003] To this end, a finishing mill is disclosed in the patent specification with publication number CN207746205U. The finishing mill includes a finishing mill frame, support rollers, working rollers and a rear-stage bending roller. The number of the support rollers and the working rollers are both multiple and are all arranged on the finishing mill frame. The working rollers are arranged in coordination with the support rollers. The working rollers are concave rollers, and the support rollers are flat rollers. The rear-stage bending rollers are arranged on the finishing mill frame and are arranged on the sides of the working rollers and the support rollers. The finishing mill provided by the present invention changes the support rollers from convex rollers to flat rollers, so that the plate shape of the cold-rolled material can be better controlled, the convexity control of the steel plate is increased, and the finishing quality of the steel plate is improved.

[0004] The current finishing mills and slitting methods for continuous slitting of finished rolled tubes can basically meet people's needs, but there are still some problems, which are as follows:

[0005] 1. The finishing mill has difficulty in cleaning the pipes that need to be processed, and the pipes are difficult to transport. At the same time, dust will be adsorbed on the pipes before and after processing, making them difficult to clean, which affects the processing quality of the pipes.

[0006] 2. The finishing mill has difficulty in recycling the pipes after processing. After the pipes are cut, they are difficult to recycle and are prone to damage during recycling. Summary of the invention

[0007] The object of the present invention is to provide a finishing mill group capable of continuously slitting finishing tubes and a slitting method thereof, so as to solve the defects of the existing finishing mill group that it is difficult to clean the tubes to be processed and difficult to recycle the tubes after processing.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions: A finishing mill capable of continuously slitting a finishing tube comprises a box body;

[0009] A control panel is installed at one end of the box, a support leg is installed at the bottom end of the box, a workbench is installed at the top end of the box, and a transport structure is installed at one side of the workbench;

[0010] A cutting mechanism is installed on one side of the top of the workbench, a shell is installed on the top of the workbench, a servo motor is installed on one end of the shell, a second gear is installed on one end of the servo motor, and a first gear is arranged at the bottom end of the second gear, and a finishing roller is installed on one end of the first gear and the second gear;

[0011] A transmission mechanism is installed at one end of the finishing roller, and the transmission mechanism includes a mounting frame, a grinding wheel, a transmission belt, a first transmission wheel, a second transmission wheel, a first cleaning wheel, a second cleaning wheel and a transmission wheel. The mounting frame is installed on the top of the workbench.

[0012] When in use, first the servo motor works to drive the second gear to rotate, the rotation of the second gear will drive the first gear meshing with it to rotate, the rotation of the second gear and the first gear will drive the finishing roller to rotate, when the finishing roller rotates, the finishing roller will perform finishing processing on the pipe, after the finished pipe moves to the bottom end of the blade, the hydraulic cylinder works to drive the hydraulic rod to extend and retract, the extension and retraction of the hydraulic rod will drive the fixed block to rise and fall, the lifting of the fixed block will drive the blade to rise and fall, and the blade and the top block can cooperate to cut the pipe.

[0013] Furthermore, a grinding wheel is installed at the top of the mounting frame, a transmission belt is installed at one end of the grinding wheel, a second transmission wheel is installed on one side of the transmission belt, a first cleaning wheel is arranged on one side of the second transmission wheel, the second cleaning wheel is arranged on one side of the finishing roller, a first transmission wheel is arranged on one side of the second cleaning wheel, and a transmission wheel is installed at one end of the first transmission wheel, the second transmission wheel, the first cleaning wheel, the second cleaning wheel and the grinding wheel, and the first cleaning wheel and the second cleaning wheel can remove the pipe body.

[0014] Furthermore, the transport structure includes a box body, a baffle, a buckle, a first spring, a rotating wheel, a protective plate, a second spring, a connecting rod and a handle. The box body is installed on one side of the workbench, and a handle is installed on one side of the box body. A baffle is installed at the top of one side of the box body, and a first spring is installed at the top of the baffle. A buckle is installed at the top of the first spring. A connecting rod is installed at the bottom end of the box body, and a protective plate is installed at the top of the connecting rod. The box body can store pipes.

[0015] Furthermore, a clamping block is provided on one side of the box body, and a clamping slot is provided on one side of the workbench. The box body and the workbench form a clamping structure, and the clamping structure is easy to disassemble.

[0016] Furthermore, a rotating wheel is installed at the bottom end of the box body, and the rotating wheels are symmetrically distributed about the central axis of the box body, and the rotating wheels can drive the box body to move.

[0017] Furthermore, the first spring is in a spiral shape, and the first spring and the buckle form an elastic connection, so that the first spring can drive the buckle to move.

[0018] Furthermore, a second spring is installed at the bottom end of the protective plate. The second springs are arranged at equal intervals at the bottom end of the protective plate, and the second springs are elastic.

[0019] Furthermore, the cutting mechanism includes a bracket, a hydraulic cylinder, a hydraulic rod, a guide rod, a fixed block, a blade, a top block, a moving block, a connecting rod, a pressure block, an air bag and an air jet. The bracket is installed on one side of the top of the workbench, a hydraulic cylinder is installed on the top of the bracket, a hydraulic rod is installed on the bottom end of the hydraulic cylinder, a fixed block is installed on the bottom end of the hydraulic rod, a blade is installed on the bottom end of the fixed block, guide rods are installed on both sides of the top of the blade, a top block is installed at the bottom end of the bracket, moving blocks are installed on both sides of the fixed block, a connecting rod is installed at the bottom end of the moving block, and a pressure block is welded to the bottom end of the connecting rod, an air bag is installed inside the top block, and an air jet is provided at the bottom end of the air bag, and the blade can cut the pipe.

[0020] Furthermore, both ends of the fixed block are provided with sliding blocks, the inner side of the bracket is provided with a sliding groove, the fixed block and the bracket form a sliding structure, and the fixed block can slide along the bracket.

[0021] The finishing mill group and the slitting method for continuous slitting of finishing pipes provided by the present invention have the advantages that a servo motor is installed at one end of the box body, and the servo motor drives the second gear to rotate when it works, and the rotation of the second gear drives the first gear meshing with it to rotate, and the rotation of the second gear and the first gear drives the finishing roller to rotate, and when the finishing roller rotates, the rotation of the transmission wheel at one end of the finishing roller drives the transmission belt to rotate, and the transmission belt drives other transmission wheels to rotate, and after the pipeline enters the box body, the transmission belt drives the second transmission wheel to rotate, and the rotation of the second transmission wheel drives the pipeline before processing to move, and then passes through the first cleaning wheel, and the first cleaning wheel is also driven by the transmission belt to rotate to clean the surface of the pipeline, and then passes through the finishing roller, and the finishing roller performs finishing processing on the pipeline, and the processed pipeline passes through the second cleaning wheel, and the second cleaning wheel rotates The rotation will also clean the processed pipe, and then the transmission belt will also drive the first transmission wheel to rotate. The rotation of the first transmission wheel will drive the pipe to move outside the box, and the pipe will move between the two grinding wheels. The transmission belt will drive the grinding wheel to rotate. The rotation of the grinding wheel can simply grind the surface of the pipe. Some dust and debris will be generated after grinding. At this time, when the device cuts the pipe, the hydraulic cylinder works to drive the fixed block to descend, and the movement of the fixed block will drive the moving block to move. The descent of the moving block will drive the pressing block to descend through the fixed rod. The descent of the pressing block will squeeze the airbag. When the airbag is squeezed, the internal gas will be ejected through the jet port to blow away the dust generated by grinding. After the cutting is completed, the pressing block rises, and the airbag will inhale, waiting for the next work, so as to achieve the purpose of the finishing mill to facilitate the cleaning of the pipes that need to be processed.

[0022] A box body is movably connected to one end of the workbench, and the box body and the workbench form a locking structure. After the block on one side of the box body is inserted into the inside of the workbench, the baffle and the buckle are connected by a first spring. The first spring drives the buckle to be inserted into the inside of the workbench, and the box body can be installed on one side of the workbench. After cutting, the pipes will fall into the box body for storage. The protective plate inside the box body can protect the box body. At the same time, the second spring at the bottom of the protective plate is elastic. The elasticity of the second spring will buffer the impact force on the box body to prevent the box body from being damaged due to the impact of the pipe. When the pipe inside the box body needs to be transported, the buckle can be pulled open so that the buckle no longer jams the workbench. The box body can be moved by the rotating wheel, and the handle can be grasped to push the box body to other places for processing the pipe, so as to achieve the purpose of facilitating the recycling of the cut pipe by the finishing rolling unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0025] Figure 3 For the present invention Figure 2 A partial cross-section at the center is an enlarged structural diagram;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention;

[0027] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the cutting mechanism of the present invention;

[0028] Figure 6 It is a partial front view cross-sectional structural schematic diagram of the transport structure of the present invention;

[0029] Figure 7 It is a partial front view cross-sectional structural schematic diagram of the transmission mechanism of the present invention;

[0030] Figure 8 It is a schematic diagram of a partial front view cross-sectional structure of the cutting mechanism of the present invention.

[0031] Explanation of the reference numerals in the figure: 1, workbench; 2, box body; 3, support leg; 4, control panel; 5, finishing roller; 6, transmission mechanism; 601, mounting frame; 602, grinding wheel; 603, transmission belt; 604, first transmission wheel; 605, second transmission wheel; 606, first cleaning wheel; 607, second cleaning wheel; 608, transmission wheel; 7, transportation structure; 701, box body; 702, baffle; 703, buckle; 704, first spring; 705, rotating wheel; 706, protective plate; 707, second spring; 708, connecting rod; 709, handle; 8, cutting mechanism; 801, bracket; 802, hydraulic cylinder; 803, hydraulic rod; 804, guide rod; 805, fixed block; 806, blade; 807, top block; 808, moving block; 809, fixed rod; 810, pressure block; 811, airbag; 812, jet nozzle; 9, shell; 10, first gear; 11, second gear; 12, servo motor. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 8 The present invention provides an embodiment: a finishing mill unit capable of continuously slitting a finishing tube, comprising a box body 2.

[0034] A control panel 4 is installed at one end of the box body 2, a support leg 3 is installed at the bottom end of the box body 2, a workbench 1 is installed at the top end of the box body 2, and a transport structure 7 is installed on one side of the workbench 1. The transport structure 7 includes a box body 701, a baffle 702, a buckle 703, a first spring 704, a rotating wheel 705, a protective plate 706, a second spring 707, a connecting rod 708 and a handle 709. The box body 701 is installed on one side of the workbench 1, a card block is provided on one side of the box body 701, and a card slot is provided on one side of the workbench 1. The box body 701 and the workbench 1 constitute a snap-fit ​​structure.

[0035] A rotating wheel 705 is installed at the bottom end of the box body 701 , and the rotating wheels 705 are symmetrically distributed about the central axis of the box body 701 .

[0036] A handle 709 is installed on one side of the box body 701, a baffle 702 is installed on the top of one side of the box body 701, and a first spring 704 is installed on the top of the baffle 702. The first spring 704 is spiral in shape, and the first spring 704 and the buckle 703 form an elastic connection.

[0037] A buckle 703 is installed at the top of the first spring 704, a connecting rod 708 is installed at the bottom of the box body 701, and a protective plate 706 is installed at the top of the connecting rod 708. The bottom of the protective plate 706 is installed with a second spring 707, and the second springs 707 are arranged at equal intervals at the bottom of the protective plate 706.

[0038] See attached Figure 1-4 and attached Figure 6 As shown, the box body 701 and the workbench 1 form a snap-fit ​​structure. After the block on one side of the box body 701 is inserted into the workbench 1, the baffle 702 and the buckle 703 are connected by the first spring 704. The first spring 704 drives the buckle 703 to be inserted into the workbench 1. The box body 701 can be installed on one side of the workbench 1. After the cutting, the pipes will fall into the box body 701 for storage. The protective plate 706 inside the box body 701 can protect the box body 701. At the same time, the second spring 707 at the bottom of the protective plate 706 has The second spring 707 is elastic, and the elasticity of the second spring 707 can buffer the impact force on the box body 701 to prevent the box body 701 from being damaged due to the impact of the pipeline. The connecting rod 708 can be retracted, and the connecting rod 708 can prevent the protective plate 706 from being offset. When the pipeline inside the box body 701 needs to be transported, the buckle 703 can be pulled open so that the buckle 703 no longer jams the workbench 1. The box body 701 can be moved by the rotating wheel 705, and the handle 709 can be grasped to push the box body 701 to other places to process the pipeline.

[0039] A cutting mechanism 8 is installed on one side of the top of the workbench 1, and the cutting mechanism 8 includes a bracket 801, a hydraulic cylinder 802, a hydraulic rod 803, a guide rod 804, a fixed block 805, a blade 806 and a top block 807. The bracket 801 is installed on one side of the top of the workbench 1, the hydraulic cylinder 802 is installed on the top of the bracket 801, the hydraulic rod 803 is installed on the bottom end of the hydraulic cylinder 802, and the fixed block 805 is installed on the bottom end of the hydraulic rod 803. Slide blocks are arranged at both ends of the fixed block 805, and a slide groove is arranged on the inner side of the bracket 801. The fixed block 805 and the bracket 801 constitute a sliding structure.

[0040] A blade 806 is installed at the bottom end of the fixed block 805, and guide rods 804 are installed on both sides of the top of the blade 806. A top block 807 is installed at the bottom end of the bracket 801, and moving blocks 808 are installed on both sides of the fixed block 805. A fixed rod 809 is installed at the bottom end of the moving block 808, and a pressure block 810 is welded to the bottom end of the fixed rod 809. An airbag 811 is installed inside the top block 807, and a jet nozzle 812 is provided at the bottom end of the airbag 811.

[0041] See attached Figure 1-2 , Attachment Figure 4-5 As shown, after the fine-rolled conduit moves to the bottom end of the blade 806, the operation of the hydraulic cylinder 802 will drive the hydraulic rod 803 to extend and retract, and the extension and retraction of the hydraulic rod 803 will drive the fixed block 805 to rise and fall, and the lifting and lowering of the fixed block 805 will drive the blade 806 to rise and fall, and the blade 806 and the top block 807 can cooperate to cut the pipe, and the guide rod 804 can be extended and retracted to prevent the fixed block 805 from being offset when being lifted and lowered. After cutting, the blade 806 can fall into the box body 701.

[0042] A housing 9 is installed at the top of the workbench 1, a servo motor 12 is installed at one end of the housing 9, a second gear 11 is installed at one end of the servo motor 12, and a first gear 10 is arranged at the bottom end of the second gear 11, and a finishing roller 5 is installed at one end of the first gear 10 and the second gear 11.

[0043] A conveying mechanism 6 is installed at one end of the finishing roller 5, and the conveying mechanism 6 includes a mounting frame 601, a grinding wheel 602, a transmission belt 603, a first conveying wheel 604, a second conveying wheel 605, a first cleaning wheel 606, a second cleaning wheel 607 and a transmission wheel 608. The mounting frame 601 is installed at the top of the workbench 1, and a grinding wheel 602 is installed at the top of the mounting frame 601. A transmission belt 603 is installed at one end of the grinding wheel 602, and a second conveying wheel 605 is installed on one side of the transmission belt 603. A first cleaning wheel 606 is arranged on one side of the second conveying wheel 605, and a second cleaning wheel 607 is arranged on one side of the finishing roller 5. A first conveying wheel 604 is arranged on one side of the second cleaning wheel 607, and a transmission wheel 608 is installed on one end of the first conveying wheel 604, the second conveying wheel 605, the first cleaning wheel 606, the second cleaning wheel 607 and the grinding wheel 602.

[0044] See attached Figure 2 and attached Figure 7 As shown, the servo motor 12 will drive the second gear 11 to rotate, and the rotation of the second gear 11 will drive the first gear 10 meshing with it to rotate. The rotation of the second gear 11 and the first gear 10 will drive the finishing roller 5 to rotate. When the finishing roller 5 rotates, the transmission wheel 608 at one end of the finishing roller 5 rotates to drive the transmission belt 603 to rotate, and the transmission belt 603 will drive other transmission wheels 608 to rotate. After the pipeline enters the interior of the box body 2, the transmission belt 603 drives the second transmission wheel 605 to rotate, and the rotation of the second transmission wheel 605 will drive the pipeline before processing to move, and then pass through the first cleaning wheel 606, the first cleaning wheel 606 will also be driven by the transmission belt 603 to rotate, and clean the surface of the pipeline, and then pass through the finishing roller 5, the finishing roller 5 will perform finishing processing on the pipeline, and the processed pipeline passes through the second cleaning wheel 607, and the rotation of the second cleaning wheel 607 will also clean the processed pipeline. Clean, then the transmission belt 603 will also drive the first transmission wheel 604 to rotate, the rotation of the first transmission wheel 604 will drive the pipeline to move outside the box body 2, the pipeline will move between the two grinding wheels 602, the transmission belt 603 will drive the grinding wheel 602 to rotate, the rotation of the grinding wheel 602 can simply grind the surface of the pipeline, and some dust and debris will be generated after grinding. At this time, when the device cuts the pipeline, the hydraulic cylinder 802 works to drive the fixed block 805 to descend, the movement of the fixed block 805 will drive the moving block 808 to move, the descent of the moving block 808 will drive the pressing block 810 to descend through the fixed rod 809, the descent of the pressing block 810 will squeeze the airbag 811, the airbag 811 is squeezed, and the internal gas will be ejected through the jet port 812 to blow away the dust generated by grinding, after the cutting is completed, the pressing block 810 rises, the airbag 811 will inhale, and wait for the next work.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A finishing mill capable of continuously slitting finished tubes, comprising a box (2); Its characteristics are: A control panel (4) is installed at one end of the box (2), a support leg (3) is installed at the bottom end of the box (2), a workbench (1) is installed at the top end of the box (2), and a transport structure (7) is installed on one side of the workbench (1); A cutting mechanism (8) is installed on one side of the top of the workbench (1), a housing (9) is installed on the top of the workbench (1), a servo motor (12) is installed on one end of the housing (9), a second gear (11) is installed on one end of the servo motor (12), and a first gear (10) is provided at the bottom end of the second gear (11), and a finishing roller (5) is installed on one end of the first gear (10) and the second gear (11); A conveying mechanism (6) is installed at one end of the finishing roller (5), and the conveying mechanism (6) comprises a mounting frame (601), a grinding wheel (602), a transmission belt (603), a first transmission wheel (604), a second transmission wheel (605), a first cleaning wheel (606), a second cleaning wheel (607) and a transmission wheel (608), and the mounting frame (601) is installed at the top of the workbench (1).

2. A finishing mill capable of continuously slitting finished tubes according to claim 1, characterized in that: A grinding wheel (602) is installed at the top of the mounting frame (601), a transmission belt (603) is installed at one end of the grinding wheel (602), a second transmission wheel (605) is installed on one side of the transmission belt (603), a first cleaning wheel (606) is provided on one side of the second transmission wheel (605), the second cleaning wheel (607) is provided on one side of the finishing roller (5), a first transmission wheel (604) is provided on one side of the second cleaning wheel (607), and a transmission wheel (608) is installed on one end of the first transmission wheel (604), the second transmission wheel (605), the first cleaning wheel (606), the second cleaning wheel (607) and the grinding wheel (602).

3. The finishing mill capable of continuously slitting the finished tube according to claim 1, characterized in that: The transport structure (7) comprises a box body (701), a baffle (702), a buckle (703), a first spring (704), a rotating wheel (705), a protective plate (706), a second spring (707), a connecting rod (708) and a handle (709); the box body (701) is installed on one side of the workbench (1); a handle (709) is installed on one side of the box body (701); a baffle (702) is installed on the top end of one side of the box body (701); a first spring (704) is installed on the top end of the baffle (702); a buckle (703) is installed on the top end of the first spring (704); a connecting rod (708) is installed on the bottom end inside the box body (701); and a protective plate (706) is installed on the top end of the connecting rod (708).

4. A finishing mill capable of continuously slitting finished tubes according to claim 3, characterized in that: A clamping block is provided on one side of the box body (701), and a clamping slot is provided on one side of the workbench (1), so that the box body (701) and the workbench (1) form a clamping structure.

5. The finishing mill capable of continuously slitting the finished tube according to claim 3, characterized in that: A rotating wheel (705) is installed at the bottom end of the box body (701), and the rotating wheels (705) are symmetrically distributed about the central axis of the box body (701).

6. A finishing mill capable of continuously slitting finished tubes according to claim 3, characterized in that: The first spring (704) is in a spiral shape, and the first spring (704) and the buckle (703) form an elastic connection.

7. The finishing mill capable of continuously slitting the finished tube according to claim 3, characterized in that: The bottom end of the protective plate (706) is equipped with a second spring (707), and the second springs (707) are arranged at equal intervals at the bottom end of the protective plate (706).

8. The finishing mill capable of continuously slitting the finished tube according to claim 1, characterized in that: The cutting mechanism (8) comprises a bracket (801), a hydraulic cylinder (802), a hydraulic rod (803), a guide rod (804), a fixed block (805), a blade (806), a top block (807), a moving block (808), a fixed rod (809), a pressure block (810), an air bag (811) and an air jet (812). The bracket (801) is mounted on one side of the top of the workbench (1). The top of the bracket (801) is mounted with a hydraulic cylinder (802). The bottom of the hydraulic cylinder (802) is mounted with a hydraulic rod (803). The bottom of the hydraulic rod (803) is mounted with a fixed A fixed block (805) is installed at the bottom end of the fixed block (805), and a blade (806) is installed on both sides of the top of the blade (806). A top block (807) is installed at the bottom end of the interior of the bracket (801). A movable block (808) is installed on both sides of the fixed block (805), and a fixed rod (809) is installed at the bottom end of the movable block (808). A pressure block (810) is welded to the bottom end of the fixed rod (809). An air bag (811) is installed inside the top block (807), and an air jet (812) is provided at the bottom end of the air bag (811).

9. A finishing mill capable of continuously slitting finished tubes according to claim 8, characterized in that: Both ends of the fixed block (805) are provided with sliding blocks, and the inner side of the bracket (801) is provided with a sliding groove, and the fixed block (805) and the bracket (801) constitute a sliding structure.

10. A slitting method for continuously slitting a finished rolled tube using the method according to claim 1, claim 3 and claim 8, comprising the following steps, characterized in that: S1. The pipe will first pass through the interior of the shell (9) for fine rolling. After fine rolling, the pipe will move to the bottom of the blade (806) and wait to be cut. S2. The hydraulic cylinder (802) is controlled to work through the control panel (4). The operation of the hydraulic cylinder (802) drives the hydraulic rod (803) to extend and retract. The operation of the hydraulic rod (803) drives the fixed block (805) to rise and fall. The rise and fall of the fixed block (805) drives the blade (806) to rise and fall. The blade (806) descends and cooperates with the top block (807) to cut the catheter. S3. The cut pipes will fall into the box body (701) for storage. The box body (701) can be moved by the rotating wheel (705). The box body (701) can be moved by grabbing the handle (709) to transport the processed pipes.

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