High-speed slitting machine for stainless steel coiled plate

Abstract

The invention relates to the field of slitting machines, in particular to a stainless steel coiled plate high-speed slitting machine which comprises a supporting frame, a female inserting body, a male inserting body, a driving fluted disc, a shearing cutter disc and a fastening screw. Two rows of shearing mechanisms are arranged up and down between the supporting frames, each row of shearing mechanism comprises a female plug-in body and a male plug-in body which are mutually plugged together end to end, and the male plug-in body at the end part of each row of shearing mechanism is connected to the supporting frame through a fixedly connected driving fluted disc; shearing cutter heads are fixedly connected to each female plug-in body and each male plug-in body in the upper row, and shearing cutter heads are fixedly connected to each male plug-in body in the lower row; by adopting a sliding plug-in structure of the male plug-in body and the female plug-in body, stepless continuous adjustment of the distance between adjacent shearing cutter heads can be realized by changing the coincidence length of the male plug-in body and the female plug-in body, and the device is suitable for machining requirements of non-standard parts, particularly suitable for shearing machining scenes of small-batch, multi-variety and high-customization-degree stainless steel coiled plates and high in practicability. And the shearing and slitting size specification of the stainless steel coiled plate is not limited any more.

Description

Technical Field

[0001] This invention relates to the field of slitting machines, specifically a high-speed slitting machine for stainless steel coils. Background Technology

[0002] A slitting machine is a specialized piece of equipment that cuts wide metal coils longitudinally into multiple narrow strips. When combined with automated programmable control equipment, it enables intelligent processing operations, achieving high-speed and precision production. It is widely used in the slitting of metal coils such as stainless steel, cold-rolled steel, galvanized steel, and silicon steel sheets. In the core working mechanism of the slitting machine, multiple shearing discs are usually installed on the rotating cutter shaft. Adjacent shearing discs are positioned and spaced by spacers to form the required cutting width.

[0003] In the existing technology, the thickness of the spacer ranges from 0.8mm to 150mm. In the actual production process, the operator selects spacers of the corresponding thickness according to the target slitting width and combines them to adjust the spacing between adjacent shearing discs. This mechanical spacing method has the advantages of simple structure and high reliability in the mass production of standard parts. However, with the increasing demand for diversified specifications of metal strip in the market, the demand for slitting processing of non-standard sizes has increased significantly.

[0004] Existing spacer spacing technology suffers from limited precision in adjusting slit width. The spacer thickness is a discrete, fixed specification, and its minimum adjustment unit is limited to the minimum thickness spacer (usually 0.5mm or 1.0mm). When the required slit width is a non-standard value (such as a required spacing of 10.3mm or 15.7mm), it is difficult to achieve the required precision using existing standard spacer combinations. Often, only approximate rounding can be used, resulting in slit width deviations exceeding the allowable range for precision machining.

[0005] More notably, when adjusting the shearing disc at a certain position on the rotating cutter shaft, since both the spacer and the shearing disc are annular components fitted onto the cutter shaft, the operator must remove all shearing discs and spacers from the shearing disc to the end of the cutter shaft as a whole before exposing the target disc for adjustment or replacement. For example, if there are 20 sets of shearing discs and spacers installed on the cutter shaft, when adjusting the position of the 5th set of shearing discs, all shearing discs and spacers from the 6th to the 20th set must be removed in sequence, and then reinstalled one by one in the original order after adjustment. This cascading disassembly method results in a larger workload and longer time consumption for disassembly. In addition, with a large number of shearing discs and spacers, problems such as misinstallation, omission, or reversed order are very likely to occur, limiting the production efficiency of slitting operations.

[0006] Therefore, a high-speed slitting machine for stainless steel coils is proposed to address the above problems. Summary of the Invention

[0007] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is: the present invention provides a high-speed slitting machine for stainless steel coils, which includes symmetrically arranged support frames, two rows of shearing mechanisms arranged vertically between the support frames, and each row of shearing mechanisms includes multiple female and male connectors that are inserted into each other at their ends. The male connectors at the ends of each row of shearing mechanisms are connected to the support frames through a fixed drive gear.

[0009] Each female connector and each male connector in the upper row is fixedly equipped with a shearing blade, and each male connector in the lower row is fixedly equipped with a shearing blade. Multiple shearing blades in the same row are arranged coaxially, and the upper and lower shearing blades are arranged alternately.

[0010] Each of the male connectors has a strip hole at one end, and each of the female connectors has a through hole at one end. The male connector end is inserted into the port of the female connector. The through hole and the strip hole coincide, and a fastening screw passes through the overlapping part. A fastening nut is provided at the end of the fastening screw.

[0011] Preferably, each of the support frames is vertically rotatably connected to a lead screw on its inner side, and a drive block is threaded onto each lead screw. A turntable is connected to the end face of the drive block, and the turntable and the drive gear plate are rotatably connected coaxially.

[0012] Preferably, each drive block has a plug-in hole at the center of its end face, and multiple auxiliary holes are provided around the center of each drive block's end face. The turntable is provided with fixing pins that are compatible with the plug-in hole and the auxiliary holes.

[0013] Preferably, a circular groove is formed on the inner sidewall of the port of each female connector. The groove is coaxial with the through hole, and a top block is provided in each groove. The top block is sleeved on the outer ring of the fastening screw. The fastening nut is screwed into the through hole and presses the top block against the outer sidewall of the end of the male connector.

[0014] Preferably, each of the top blocks has multiple return springs fixed to its back side. The return springs are connected to the inner sidewall of the groove and are used to pull the top block so that the top block retracts into the groove.

[0015] Preferably, multiple limiting grooves are evenly provided on the inner sidewall of each groove, and multiple limiting blocks are evenly provided on the outer ring of each top block. The limiting blocks are slidably connected in the limiting groove along the axis of the fastening screw, and the reset springs are fixedly connected to the end face of the limiting blocks.

[0016] Preferably, each of the top blocks has multiple first-order locking strips on its outer end face; and each of the male connectors has multiple rows of second-order locking strips on its outer end wall, with each row of second-order locking strips positioned on both sides of the strip-shaped hole.

[0017] Preferably, each of the support frames is provided with a telescopic rod on its inner sidewall. The telescopic rod is located between two adjacent upper and lower drive blocks, and an arc-shaped baffle is fixed to the end of the telescopic rod. The baffle is used to guide the movement of the slitting waste.

[0018] Preferably, each of the female connectors has an auxiliary plug in its port; and each of the male connectors has a socket on its end face adapted to the auxiliary plug.

[0019] Preferably, each of the support frames has a guide hole, and a guide plate is fixedly connected to the back of each drive block, with the guide plate slidably connected within the guide hole.

[0020] The advantages of this invention are:

[0021] 1. In this invention, the traditional discrete spacing method of fixed thickness spacers is abandoned. Instead, a sliding plug-in structure of male and female plugs is adopted. By changing the overlap length of the two, the stepless continuous adjustment of the distance between adjacent shearing blades can be achieved, which is suitable for the processing needs of non-standard parts. It is especially suitable for the shearing processing of stainless steel coils with small batches, multiple varieties and high degree of customization, so that the size specifications of stainless steel coil shearing and slitting are no longer limited.

[0022] 2. In this invention, the traditional integral rotating roller is decomposed into multiple interlocking modular units, namely, female connectors and male connectors. Each shearing disc is fixed to an independent female connector and male connector. When it is necessary to adjust the spacing of the shearing discs at a certain position, it is only necessary to loosen the fastening nut corresponding to that position and move the set of female connectors or male connectors. There is no need to disassemble any shearing discs on the outside. Compared with the prior art, which requires the complete removal of all components from the target shearing disc to the shaft end, the adjustment workload of this invention is independent of the total number of discs on the cutter shaft. Whether adjusting the inner or outer discs, the operation complexity remains the same, and the single adjustment is greatly reduced, improving the line change efficiency. Attached Figure Description

[0023] Figure 1 This is a perspective view of the high-speed slitting machine for stainless steel coils in this invention;

[0024] Figure 2 This is a front view of the high-speed slitting machine for stainless steel coils in this invention;

[0025] Figure 3 This is a perspective view of the shearing mechanism in this invention;

[0026] Figure 4 This is a front view of the shearing mechanism in this invention;

[0027] Figure 5 This is a perspective view of the support frame in this invention;

[0028] Figure 6This is a perspective view of the driving block in this invention;

[0029] Figure 7 This is a perspective view of the mating of the male connector and the drive gear in this invention;

[0030] Figure 8 This is a perspective view of the male connector in this invention;

[0031] Figure 9 This is a perspective view of the female connector in this invention;

[0032] Figure 10 This is a perspective view of the mating of the No. 2 card strip and the male connector in this invention;

[0033] Figure 11 This is a cross-sectional view of the female connector in this invention;

[0034] Figure 12 for Figure 11 A magnified view of a section at point A in the middle;

[0035] Figure 13 This is a perspective view of the fit between the fastening screw and the fastening nut in this invention;

[0036] Figure 14 This is a perspective view of the interaction between the top block and the reset spring in this invention;

[0037] Figure 15 This is a perspective view of the interaction between the top block and the first card strip in this invention.

[0038] In the diagram: 1. Support frame; 2. Female connector; 3. Male connector; 4. Drive gear plate; 5. Shearing blade plate; 6. Fastening screw; 7. Strip hole; 8. Through hole; 9. Fastening nut; 10. Lead screw; 11. Drive block; 12. Turntable; 13. Insertion hole; 14. Auxiliary hole; 15. Fixing pin; 16. Groove; 17. Top block; 18. Return spring; 19. Limiting groove; 20. Limiting block; 21. No. 1 locking strip; 22. No. 2 locking strip; 23. Telescopic rod; 24. Baffle; 25. Auxiliary insertion rod; 26. Insertion hole; 27. Guide plate; 28. Guide hole. Detailed Implementation

[0039] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0040] Reference Figure 1 - Figure 13A high-speed slitting machine for stainless steel coils includes a support frame 1, a female connector 2, a male connector 3, a drive gear 4, a shearing disc 5, and a fastening screw 6. Two rows of shearing mechanisms are arranged vertically between the support frame 1. Each row of shearing mechanisms includes a female connector 2 and a male connector 3 that are interlocked end-to-end. The male connector 3 at the end of each row of shearing mechanisms is connected to the support frame 1 via a fixed drive gear 4. Each female connector 2 and each male connector 3 in the upper row is fixedly connected with a [missing information - likely a screw or bolt]. A shearing disc 5 is fixedly connected to each male connector 3 in the lower row. Multiple shearing discs 5 in the same row are arranged coaxially and the upper and lower shearing discs 5 are arranged alternately. Each male connector 3 has a strip hole 7 at its end and each female connector 2 has a through hole 8 at its end. The end of the male connector 3 is inserted into the port of the female connector 2. The through hole 8 coincides with the strip hole 7, and a fastening screw 6 passes through the overlapping part. A fastening nut 9 is provided at the end of the fastening screw 6.

[0041] The drive gear 4 is externally connected to a drive assembly. The drive assembly can use a reducer and a motor to drive the drive gear 4 to rotate and drive the upper and lower rows of shearing mechanisms to rotate. The end face shape of the male connector 3 and the port shape of the female connector 2 can be octagonal as in this embodiment. The outer ring of the end face of the male connector 3 and the inner sidewall of the port of the female connector 2 are sealed and slidably connected to ensure the stable transmission of torque of the same row of shearing mechanisms.

[0042] When adjusting the distance between two adjacent shearing discs 5 on the same row, first rotate the fastening nut 9 so that it is rotated out of the through hole 8. Then move the male connector 3 and the female connector 2 and adjust their overlapping parts to adjust the distance between the two adjacent shearing discs 5. Next, rotate the fastening nut 9 in the opposite direction so that it is rotated into the through hole 8. The outer wall of the fastening nut 9 is close to the inner wall of the through hole 8, and the inner end face of the fastening nut 9 is pressed against the outer wall of the male connector 3. At this time, the fastening nut 9 plays a limiting role, constraining and fixing the overlapping parts of the male connector 3 and the female connector 2, thereby fixing the relative position between the male connector 3 and the female connector 2, and then fixing the distance between the two shearing discs 5, so as to realize the stepless continuous adjustment of the distance between the shearing discs 5.

[0043] In this invention, the traditional discrete spacing method of fixed thickness spacers is abandoned. Instead, a sliding insertion structure of male connector 3 and female connector 2 is adopted. By changing the overlap length of the two, the stepless continuous adjustment of the distance between adjacent shearing discs 5 can be achieved, which is suitable for the processing needs of non-standard parts. It is especially suitable for the shearing processing of stainless steel coils with small batches, multiple varieties and high degree of customization, so that the size specifications of stainless steel coil shearing are no longer limited.

[0044] In this invention, the traditional integral rotating roller is decomposed into multiple interlocking modular units, namely, a female connector 2 and a male connector 3. Each shearing disc 5 is fixed to an independent female connector 2 and male connector 3. When it is necessary to adjust the spacing of the shearing discs 5 at a certain position, it is only necessary to loosen the fastening nut 9 corresponding to that position and move the group of female connectors 2 or male connectors 3. There is no need to disassemble any of the shearing discs 5 on the outside. Compared with the prior art, which requires the complete removal of all components from the target shearing disc 5 to the shaft end, the adjustment workload of this invention is independent of the total number of discs on the cutter shaft. Whether adjusting the inner or outer discs, the operation complexity remains the same, and the single adjustment is greatly reduced, improving the line change efficiency.

[0045] In this invention, the shearing mechanism is modularly composed of female connector 2 and male connector 3. Each unit has a unified structure and strong interchangeability. During the adjustment process, there is no need to disassemble a large number of cutter heads and spacers, which avoids the problems of component scattering, disordered sequence, misassembly and omission in the traditional method.

[0046] Reference Figure 1 , Figure 2 , Figure 5 and Figure 6 Each of the support frames 1 is vertically rotatably connected to a lead screw 10 on its inner side. Each lead screw 10 is threadedly connected to a drive block 11. The end face of the drive block 11 is connected to a turntable 12. The turntable 12 is rotatably connected to the drive gear 4 along the same axis.

[0047] The lead screw 10 can be manually driven or driven by a geared motor. During the adjustment of the spacing of the shearing disc 5, the lead screw 10 is driven first, which drives the drive block 11 to move up and down. The upper drive block 11 moves up and the lower drive block 11 moves down. The two drive blocks 11 at the same height are connected to the same row of shearing mechanisms. At this time, the upper and lower rows of shearing mechanisms move away from each other, and the two adjacent staggered shearing discs 5 also separate and no longer overlap. Then the spacing adjustment operation of the shearing disc 5 is performed. This design frees up the adjustment space of the shearing disc 5 along its axis, which facilitates the adjustment operation of the shearing disc 5.

[0048] Reference Figure 6 and Figure 7 Each drive block 11 has a plug-in hole 13 at the center of its end face, and multiple auxiliary holes 14 are provided around the center of its end face. The turntable 12 is provided with a fixing pin 15 that is adapted to the plug-in hole 13 and the auxiliary holes 14.

[0049] One end face of the turntable 12 is fixedly connected to the drive block 11 by multiple fixing pins 15, and the other end of the turntable 12 is rotatably connected to the drive gear 4. With this design, when the entire shearing mechanism is disassembled or replaced, a certain male connector 3 and female connector 2 can be loosened, so that the overall length of the entire shearing mechanism is reduced, thereby freeing up the space for the fixing pins 15 to retract and disengage from the connector hole 13 and auxiliary hole 14, which facilitates the disassembly or replacement of the shearing mechanism.

[0050] Reference Figure 9 , Figure 11 , Figure 12 and Figure 13 A circular groove 16 is provided on the inner side wall of the port of each of the female connectors 2. The groove 16 is coaxially arranged with the through hole 8, and a top block 17 is provided in each groove 16. The top block 17 is sleeved on the outer ring of the fastening screw 6. The fastening nut 9 is screwed into the through hole 8 and presses the top block 17 against the outer side wall of the end of the male connector 3.

[0051] In this invention, the top block 17 is set between the fastening nut 9 and the end face of the male connector 3 as an intermediate force transmission component. The axial locking force of the fastening nut 9 is indirectly transmitted to the male connector 3 through the top block 17. This design avoids hard contact and relative friction between the end face of the fastening nut 9 and the outer wall of the end face of the male connector 3, and prevents indentation, scratches or deformation of the end face of the male connector 3 caused by repeated tightening and loosening. Since the mating end face of the male connector 3 and the female connector 2 is the key reference surface to ensure the sliding accuracy and coaxiality of the two, the integrity of the outer wall of the end face of the male connector 3 is directly related to the installation accuracy and operation stability of the shearing disc 5. The protective function of the top block 17 effectively extends the service life of the core functional components.

[0052] Simultaneously, both the top block 17 and the fastening nut 9 move radially along the shearing mechanism. The top block 17 fits within the groove 16, and the fastening nut 9 fits within the through hole 8, providing more stable axial constraints. Compared to a single fastening bolt method, this method offers significant structural stability advantages. The top block 17 achieves precise radial positioning under the guidance of the cylindrical surface of the groove 16, and the contact between its outer cylindrical surface and the inner wall of the groove 16 restricts the tilting and offset of the top block 17. At the same time, the contact between the outer wall of the fastening nut 9 and the inner wall of the through hole 8 provides a second layer of radial constraint. The combined effect of these two radial connections ensures that the locking force is always accurately transmitted along the axial direction of the shearing mechanism, effectively preventing radial sway or circumferential deflection caused by the fit clearance.

[0053] Reference Figure 11 , Figure 12 , Figure 14 and Figure 15 Each of the top blocks 17 has a plurality of return springs 18 fixed to its back side. The return springs 18 are connected to the inner side wall of the groove 16 and are used to pull the top blocks 17 so that the top blocks 17 retract into the groove 16.

[0054] When the male connector 3 and the female connector 2 are engaged, the end of the male connector 3 is inserted into the port of the female connector 2. Considering that the top block 17 in the groove 16 may interfere with the insertion of the male connector 3 and hinder the engagement between the male connector 3 and the female connector 2, a return spring 18 is provided on the top block 17 to form an elastic pulling mechanism. When the fastening nut 9 is loosened, the return spring 18 automatically pulls the top block 17 back and retracts it into the groove 16, eliminating the physical obstruction of the top block 17 protruding from the groove 16 to the axial sliding of the male connector 3. The operator can directly move the male connector 3 to adjust the spacing without manually moving or disassembling the top block 17, thus improving the adjustment efficiency.

[0055] At the same time, the return spring 18 applies a balanced axial tension to the top block 17, so that the top block 17 always remains parallel to the bottom surface of the groove 16 within the groove 16, preventing the top block 17 from tilting, jamming, or rotating due to its own weight or vibration. When the fastening nut 9 is screwed in, the top block 17 slides out of the groove 16 under the guidance of the return spring 18, and the end face of the top block 17 can also contact the outer wall of the end face of the male connector 3 in a parallel fit, avoiding local compression and uneven wear caused by off-center load. Even after multiple tightening and loosening cycles, the top block 17 can still return to the initial position, ensuring the repeatability and long-term stability of the locking position.

[0056] Reference Figure 12 , Figure 14 and Figure 15 Each groove 16 has multiple limiting grooves 19 evenly opened on its inner sidewall, and each top block 17 has multiple limiting blocks 20 evenly provided on its outer ring. The limiting blocks 20 are slidably connected in the limiting grooves 19 along the axis of the fastening screw 6, and the reset springs 18 are fixedly connected to the end faces of the limiting blocks 20.

[0057] The limiting block 20 is slidably connected in the limiting groove 19 to form a rigid sliding pair, which restricts the degree of freedom of rotation of the top block 17 around the axis, retaining only the degree of freedom of axial movement. The rigid sliding pair can reliably resist the circumferential inertial force, vibration torque and accidental impact generated during high-speed operation, ensuring that the top block 17 always maintains the correct circumferential orientation in frequent tightening and loosening cycles, avoiding misalignment of the pressing surface, uneven force or jamming failure caused by the deflection of the top block 17, significantly improving the operational reliability and long-term stability of the locking mechanism, while also protecting the return spring 18, preventing the return spring 18 from bearing shear or bending loads, reducing the stress state and fatigue damage risk of the spring, and extending the service life of the elastic element of the return spring 18.

[0058] Reference Figure 10 , Figure 12 , Figure 13 and Figure 15Each of the top blocks 17 has multiple first-order locking strips 21 on its outer end face; each of the male connectors 3 has multiple rows of second-order locking strips 22 on its outer end wall, with each row of second-order locking strips 22 positioned on both sides of the strip hole 7.

[0059] The first locking strip 21 and the second locking strip 22 engage to form a mechanical interlock, thereby fixing the absolute position in the shearing direction. Multiple rows of second locking strips 22 are set on both sides of the strip hole 7 on the outer side wall of the male connector 3. When the fastening nut 9 is tightened, the top block 17 is pushed out of the groove 16, and the first locking strip 21 and the second locking strip 22 are interlocked to form a mechanical locking structure perpendicular to the axis of the shearing mechanism. This can effectively resist the axial separation force generated during the slitting of stainless steel coils and further stabilize the spacing of the shearing blade 5 under the action of dynamic cutting force.

[0060] Reference Figure 2 and Figure 5 Each of the support frames 1 has a telescopic rod 23 on its inner sidewall. The telescopic rod 23 is located between two adjacent drive blocks 11, and an arc-shaped baffle 24 is fixed to the end of the telescopic rod 23. The baffle 24 is used to guide the movement of the slitting waste.

[0061] When slitting stainless steel coils, there is a possibility of scrap material at the edges of the coils. The width of the scrap material is not fixed. In order to successfully remove the scrap material, a telescopic rod 23 is installed. By adjusting the length of the telescopic rod 23, the distance between the scrap material and the baffle 24 is adjusted, so that scrap material of different widths can slide off along the inner surface of the baffle 24. This restrains the scrap material throwing angle, reduces the risk of scrap material getting tangled around the cutter shaft, falling into the transmission parts of the equipment, or accumulating in the corners of the frame, and ensures the safety and cleanliness of the production site and the continuous and stable operation of the equipment.

[0062] Reference Figure 8 - Figure 11 Each of the female connectors 2 has an auxiliary plug 25 inside its port; each of the male connectors 3 has a socket 26 on its end face adapted to the auxiliary plug 25.

[0063] An auxiliary insertion rod 25 is provided inside the port of the female connector 2, and a matching insertion hole 26 is opened on the end face of the male connector 3. When the male connector 3 is inserted into the female connector 2, the auxiliary insertion rod 25 can first enter the insertion hole 26 to form a preliminary guide. Subsequently, the outer surface of the male connector 3 fits with the inner surface of the female connector 2 to form a main fit, realizing a secondary guiding mechanism. This reduces the difficulty of centering during initial insertion. At the same time, the fit between the auxiliary insertion rod 25 and the insertion hole 26 can provide a precise coaxiality reference for the subsequent fit between the female connector 2 and the male connector 3, further improving the coaxiality error of multiple shearing blades 5. It can also improve the fit stability between the female connector 2 and the male connector 3, and improve the overall stability of the shearing mechanism.

[0064] Reference Figure 1 Each of the support frames 1 has a guide hole 28, and a guide plate 27 is fixedly connected to the back of each drive block 11. The guide plate 27 is slidably connected in the guide hole 28. During the up and down movement of the drive block 11, the guide plate 27 cooperates with the guide hole 28 to further constrain the stability of the drive block 11 under dynamic movement and the positioning accuracy of its static state. This effectively suppresses the swaying and shaking of the drive block 11 during the operation of the shearing mechanism, thereby ensuring the stability of the shearing disc 5 and reducing the tilting of the shearing disc 5 or the burr problem caused by the instability of the drive block 11.

[0065] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed slitting machine for stainless steel coils, characterized in that: It includes symmetrically arranged support frames, with two rows of shearing mechanisms arranged vertically between the support frames. Each row of shearing mechanisms includes multiple female and male connectors that are inserted into each other end to end. The male connectors at the ends of each row of shearing mechanisms are connected to the support frames through a fixed drive gear. Each female connector and each male connector in the upper row is fixedly equipped with a shearing blade, and each male connector in the lower row is fixedly equipped with a shearing blade. Multiple shearing blades in the same row are arranged coaxially, and the upper and lower shearing blades are arranged alternately. Each of the male connectors has a strip hole at one end, and each of the female connectors has a through hole at one end. The male connector end is inserted into the port of the female connector. The through hole and the strip hole coincide, and a fastening screw passes through the overlapping part. A fastening nut is provided at the end of the fastening screw.

2. The high-speed slitting machine for stainless steel coils according to claim 1, characterized in that: Each of the support frames is vertically rotatably connected to a lead screw on its inner side. Each lead screw is threaded with a drive block, and the end face of the drive block is connected to a turntable. The turntable and the drive gear plate are rotatably connected coaxially.

3. A high-speed slitting machine for stainless steel coils according to claim 2, characterized in that: Each drive block has a plug-in hole at the center of its end face, and multiple auxiliary holes are provided around the center of each drive block's end face. The turntable is provided with fixing pins that are compatible with the plug-in hole and the auxiliary holes.

4. A high-speed slitting machine for stainless steel coils according to claim 1, characterized in that: A circular groove is formed on the inner side wall of the port of each female connector. The groove is coaxial with the through hole, and a top block is provided in each groove. The top block is sleeved on the outer ring of the fastening screw. The fastening nut is screwed into the through hole and presses the top block against the outer side wall of the end of the male connector.

5. A high-speed slitting machine for stainless steel coils according to claim 4, characterized in that: Each of the top blocks has multiple return springs fixed to its back side. The return springs are connected to the inner side wall of the groove and are used to pull the top block so that the top block retracts into the groove.

6. A high-speed slitting machine for stainless steel coils according to claim 5, characterized in that: Multiple limiting grooves are evenly provided on the inner sidewall of each groove, and multiple limiting blocks are evenly provided on the outer ring of each top block. The limiting blocks are slidably connected in the limiting groove along the axis of the fastening screw, and the reset springs are fixedly connected to the end face of the limiting blocks.

7. A high-speed slitting machine for stainless steel coils according to claim 6, characterized in that: Each of the top blocks has multiple No. 1 locking strips on its outer end face; each of the male connectors has multiple rows of No. 2 locking strips on its outer end wall, with each row of No. 2 locking strips positioned on both sides of the strip hole.

8. A high-speed slitting machine for stainless steel coils according to claim 2, characterized in that: Each of the support frames has a telescopic rod on its inner sidewall. The telescopic rod is located between two adjacent drive blocks, and an arc-shaped baffle is fixed to the end of the telescopic rod. The baffle is used to guide the movement of the slitting waste.

9. A high-speed slitting machine for stainless steel coils according to claim 4, characterized in that: Each of the female connectors has an auxiliary plug inside its port; each of the male connectors has a socket on its end face adapted to the auxiliary plug.

10. A high-speed slitting machine for stainless steel coils according to claim 8, characterized in that: Each of the support frames has a guide hole, and a guide plate is fixed to the back of each drive block, with the guide plate slidably connected in the guide hole.

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