Fixed-length shearing equipment and steel strip shearing method for steel rolling production

Abstract

The invention discloses fixed-length shearing equipment which comprises a supporting frame, a cutter fixing mechanism is arranged on the supporting frame, the cutter fixing mechanism comprises a fixing roller fixedly installed on the supporting frame, a first fixing frame is arranged on the fixing roller, one end of the first fixing frame is rotationally connected with a second fixing frame, and the first fixing frame and the second fixing frame are fixed through rotation of a crank disc. When the cutter locking device is used, stopping and limiting of the cutter can be cancelled at the same time, the cutter is lifted and collected under the counter-acting force of a torsional spring, meanwhile, a transmission rod can be driven to push locking assemblies of all the cutter to move upwards for unlocking, abrasion of the cutter can be reduced, the service life of the cutter is prolonged, and equal-distance adjustment can be conveniently conducted after locking is cancelled; the cross connecting rod assembly is pushed through the air cylinder to drive all the cutting tools on the fixed roller to be adjusted at equal intervals along the adjusting sliding frame, the cutting requirements of different widths can be met, it is guaranteed that the distances between the blades are consistent through equal-distance adjustment, and therefore it can be guaranteed that cut strip-shaped products are uniform in size.

Description

Technical Field

[0001] The invention relates to the technical field of shearing equipment, and in particular to a cut-to-length shearing equipment and a steel strip shearing method for steel rolling production. Background Art

[0002] Steel belt refers to a conveyor belt made of carbon steel that is used as the traction and carrying component of the belt conveyor. It can also be used to bundle goods. It is a narrow and long steel belt produced by various steel rolling companies to meet the needs of industrial production of various metal or mechanical products in different industrial sectors. During the processing of steel belt, a shearing device is used to cut the steel belt into specified sizes.

[0003] Chinese patent CN116748580B discloses a processing device for the steel strip shearing and slitting process. When the steel strip passes through, it will be continuously pressed under the rubber strip. Then, after the first motor is started, the conveyor belt drives the steel strip clockwise to be smoothly transported to one side of the shearing and slitting component. After passing through the shearing and slitting component, the steel strip passes from the top of the first tightening roller and then passes from the bottom of the second tightening roller.

[0004] When the above-mentioned equipment for shearing steel strips produced by steel rolling is in use, the steel strips to be cut into strips are cut by passing the steel strips through the cutters and the slitting discs. Since the intervals between the roller cutters are fixed, when it is necessary to cut and prepare steel strips of different widths, the position of each cutter needs to be adjusted in turn to adjust the spacing between adjacent cutters. The adjustment process is cumbersome and time-consuming, and it is easy to affect the normal working progress of the equipment. Summary of the invention

[0005] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a cut-to-length cutting device and a steel strip cutting method for steel rolling production, which has the advantages of equidistantly adjusting the spacing between cutters, and solves the problem of being unable to cut to the required length.

[0006] (II) Technical solution In order to solve the above-mentioned problem of poor adaptability of the equipment and ensure that the lock of the tool is cancelled during the process of retracting the tool, the present invention provides the following technical solutions: a fixed-length shearing device, comprising a support frame, a tool fixing mechanism is arranged on the support frame, the tool fixing mechanism comprises a fixed roller fixedly mounted on the support frame, a fixed frame 1 is arranged on the fixed roller, one end of the fixed frame 1 is rotatably connected with a fixed frame 2, the other ends of the fixed frame 1 and the fixed frame 2 are fixed by a clamping assembly, a cutting tool is connected with a torsion spring on the lower surface of the fixed frame 2, an equidistant adjustment mechanism installed on the support frame is arranged on one side of the fixed roller, the equidistant adjustment mechanism comprises an adjusting slide fixedly connected to the support frame, one end of the adjusting slide is fixedly connected with a cross A fork-link assembly, one end of the cross-link assembly is connected to a cylinder that can drive the cross-link assembly to extend and retract, each intersection of the cross-link assembly is rotatably connected to the corresponding fixed frame 1 on the fixed roller, a limited quick-release mechanism is arranged between the fixed frame 1 and the fixed frame 2, the limited quick-release mechanism includes a locking assembly arranged between the fixed roller and the fixed frame 1, a motor is fixedly installed on one side of the support frame, a crank disc is connected to the output end of the motor, a flip seesaw is connected to the torsion spring on the support frame, the flip seesaw cancels the limiting resistance to the cutting tool during the rotation process, and the cutting tool is lifted under the reaction force of the torsion spring, and at the same time, the end of the flip seesaw away from the crank disc is rotatably connected to a transmission rod that can push the locking assembly to rise and unlock.

[0007] As a preferred solution of the fixed-length shearing equipment described in the present invention, a limiting groove is provided on the fixed roller, a lifting coordination plate is slidably installed in the limiting groove, both sides of the inner wall of the lifting coordination plate are slidably connected to limiting sliding columns, a brake plate is provided under the fixed frame, and the bottom ends of both sides of the brake plate are provided with lifting sliding grooves that are clamped with the limiting sliding columns.

[0008] As a preferred solution of the cut-to-length cutting device of the present invention, the upper surface of the brake plate is connected with an orientation column, the orientation column is slidably connected in a fixing frame 1, and a reset spring is arranged between the fixing frame 1 and the brake plate.

[0009] As a preferred solution of the cut-to-length shearing equipment described in the present invention, an adjusting groove is provided on both sides of the lifting coordination plate, the limiting slide is slidably connected in the adjusting groove, rotating slides are connected on both sides of the crank disc, arc-shaped grooves for limiting the rotating slide are provided on both sides of the support frame, and one end of the crank disc is connected to a motor.

[0010] As a preferred solution of the fixed-length shearing equipment described in the present invention, an adjusting slide slot 2 is provided on the adjusting slide, an adjusting slide column is slidably connected to the adjusting slide, an end of the adjusting slide column away from the cylinder is connected to an adjusting slot frame, one end of the fixed frame 1 is connected to a limiting block, the adjusting slot frame is connected to the limiting block by clamping, and the cross-link assembly includes a scissor-type transmission rod 1 arranged on one side of the adjusting slide, the scissor-type transmission rod 1 is rotatably connected to the adjusting slide column, and one side of the scissor-type transmission rod 1 is rotatably connected to a scissor-type transmission rod 2.

[0011] As a preferred solution of the cut-to-length shearing equipment described in the present invention, one end of the scissor-type transmission rod one is rotatably connected to rotating rod one, one end of the scissor-type transmission rod two is rotatably connected to rotating rod two, one end of the rotating rod two away from the scissor-type transmission rod two is rotatably connected to a fixed slot frame, one side of the fixed slot frame is connected to an adjusting slide, and the lower surface of the fixed frame one is connected to a directional plate.

[0012] As a preferred solution of the cut-to-length cutting equipment of the present invention, a handle is connected to the upper surface of the fixed frame 1, a sliding cavity is opened in the fixed frame 1, a rotating cam is rotatably connected in the fixed frame 1, and a limiting column is arranged in the rotating cam.

[0013] As a preferred solution of the cut-to-length cutting equipment described in the present invention, limiting grooves are provided on both sides of the limiting column, limiting protrusions are connected to the rotating cam, a rotating pull rod is sleeved on the limiting column, and an arc-shaped slide frame is slidably connected inside the fixed frame.

[0014] As a preferred solution of the cut-to-length shearing equipment described in the present invention, the side of the rotating cam away from the arc-shaped slide one is slidably connected to the arc-shaped slide two, the side of the arc-shaped slide two away from the rotating cam is provided with a limiting spring sheet, one end of the arc-shaped slide two is connected to an L-shaped block, and one end of the fixed frame two is provided with a slot for limiting the L-shaped block.

[0015] To achieve the above object, the present invention provides the following technical solution: a cut-to-length cutting device, comprising the following steps: First, open the clamping assembly for connecting the fixed frame 1 and the fixed frame 2, place the inner diameter of the fixed frame 1 on the surface of the fixed roller, and push the other end of the fixed frame 1 to rotate the connected fixed frame 2, so that the corresponding ends of the fixed frame 2 and the fixed frame 1 are clamped and fixed to each other, and the cutting tool connected to the lower surface of the fixed frame 2 will maintain a horizontal knife-retracting state under the stress of the torsion spring, and the cross-link assembly is driven by the output end of the cylinder to be adjusted, and the fixed frame 1 corresponding to the intersection of the cross-link assembly is driven to slide along the fixed roller for equidistant adjustment, and the crank disk on the support frame is driven to rotate by the output end of the motor, and the cutting tool under the fixed frame 2 pushes one end of the flip rocker to start to lift under the action of the counter-torque, and the flip rocker pushes the locking assembly to be lifted and unlocked through the transmission rod during the rotation process.

[0016] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects: 1. By rotating the crank disc, the resistance limit of the cutting tool can be canceled at the same time, so that the tool is lifted and retracted under the reaction force of the torsion spring. At the same time, it can also drive the transmission rod to push the locking components of all cutting tools to move upward to unlock, which can reduce the wear of the tool and thus extend its service life. After the lock is canceled, it is convenient to perform equidistant adjustment. The cross-link assembly is driven by the cylinder to drive all the cutting tools on the fixed roller to perform equidistant adjustment along the adjustment slide, which can meet the cutting requirements of different widths. The equidistant adjustment ensures that the distance between each blade is consistent, so that the size of the cut strip products can be uniform.

[0017] The rotating slide columns at both ends of the crank disc slide along the arc-shaped slide grooves on both sides of the inner wall of the support frame, and the rotating slide column slides from the top of the arc-shaped slide groove to the lower end. The cutting tool under the second fixed frame pushes the cylinder at one end of the flip seesaw plate to start lifting under the action of the counter-torque force, so that the fallen cutting tool is gradually lifted up and retracted. The transmission rod at one end of the flip seesaw cylinder will push the lifting and coordination plate at the other end of the transmission rod to slide up along the limiting groove, and while lifting and retracting the knife, the brake plates corresponding to all cutting tools are driven to rise, and the limits of all cutting tools are cancelled, so that the subsequent operation can adjust the interval between the tools more conveniently and quickly, which can reduce the friction and wear of the tools in inappropriate positions, extend the service life of the tools, and reduce the operation risk.

[0018] When the adjusting slot frame is driven to move by the output end of the cylinder, the scissor-type transmission rod 2 and the rotating rod 1 will drive the rotating rod 1 and the rotating rod 2 to start rotating and merging together, driving the fixed frame 1 and the fixed frame 2 to start sliding along the fixed roller, and adjusting the spacing of each cutting tool on the fixed roller at equal intervals. All tool intervals can be adjusted at equal intervals at the same time, which can reduce the adjustment time, speed up the production process, and can cut steel strips of different widths in strips according to production needs, thereby improving the flexibility and application range of the equipment.

[0019] By pushing the rotating pull rod under the handle to rotate, when the rotating cam rotates along the circular groove, it will contact the arc slide 1 and the arc slide 2 in the sliding cavity at the same time, pushing the arc slide 1 and the arc slide 2 to slide to both sides to squeeze the limit spring piece, and under the action of inertia, the L-shaped blocks on both sides of the fixed frame 2 will slide out along the exit of the card slot. The tool can be quickly replaced to reduce the downtime of the machine and make the production process smoother, thereby improving the overall production efficiency. The tool seat can be quickly removed to facilitate regular inspection and maintenance of the tool and prevent potential failures. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a structural schematic diagram of the support frame of the present invention; Figure 3 It is a structural schematic diagram of the isometric adjustment mechanism of the present invention; Figure 4 It is a structural schematic diagram of the position limiting knife collecting mechanism of the present invention; Figure 5 It is a schematic diagram of the structure of the enlarged portion of the position-limiting knife-collecting mechanism A of the present invention; Figure 6 It is a structural schematic diagram of an enlarged portion of the position-limiting knife-collecting mechanism B of the present invention; Figure 7 It is a structural schematic diagram of the enlarged portion of the cylinder of the present invention; Figure 8 This is a schematic diagram of the structure of the invention where a quick-release mechanism is added; Fig. 9 This is a structural schematic diagram of an enlarged portion of the added quick-release mechanism C of the present invention; Fig.10 It is a schematic diagram of the structure of the card slot of the present invention.

[0022] In the figure: 100, support frame; 200, tool fixing mechanism; 201, crank disc; 202, flip seesaw; 203, transmission rod; 204, lifting coordination plate; 205, fixed roller; 206, fixed frame 1; 207, fixed frame 2; 208, cutting tool; 209, limit slide column; 210, brake plate; 211, directional column; 212, reset spring; 213, lifting slide; 214, limit groove; 215, adjustment slide 1; 216, rotating slide column; 217, arc slide; 218, motor; 300, equidistant adjustment mechanism; 301, adjustment slide; 302, adjustment slide 2 ; 303, cylinder; 304, adjusting slide column; 305, adjusting slot frame; 306, limiting block; 307, scissor-type transmission rod one; 308, scissor-type transmission rod two; 309, rotating rod one; 310, rotating rod two; 311, fixed slot frame; 312, directional plate; 400, limiting quick release mechanism; 401, handle; 402, sliding cavity; 403, rotating cam; 404, limiting column; 405, limiting slide; 406, limiting protrusion; 407, rotating pull rod; 408, arc slide one; 409, arc slide two; 410, limiting spring piece; 411, L-shaped block; 412, slot position. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0024] The present invention will be further described below in conjunction with the embodiments.

[0025] Example 1 Reference Figure 1 , Figure 2 , Figure 4 , Figure 5, which is the first embodiment of the present invention, provides a cut-to-length shearing device, including a support frame 100, on which a tool fixing mechanism 200 is arranged, the tool fixing mechanism 200 includes a fixed roller 205 fixedly mounted on the support frame 100, a fixed frame 1 206 is arranged on the fixed roller 205, one end of the fixed frame 1 206 is rotatably connected to a fixed frame 2 207, the other ends of the fixed frame 1 206 and the fixed frame 2 207 are fixed by a clamping assembly, a torsion spring on the lower surface of the fixed frame 207 is connected to a cutting tool 208, one side of the fixed roller 205 is provided with an equidistant adjustment mechanism 300 installed on the support frame 100, the equidistant adjustment mechanism 300 includes an adjustment slide 301 fixedly connected to the support frame 100, one end of the adjustment slide 301 is fixedly connected to a cross-link assembly, and one end of the cross-link assembly is connected to The cylinder 303 can drive the cross-link assembly to extend and retract, and each intersection of the cross-link assembly is rotatably connected to the corresponding fixed frame 1 206 on the fixed roller 205. A limited quick-release mechanism 400 is arranged between the fixed frame 1 206 and the fixed frame 2 207. The limited quick-release mechanism 400 includes a locking assembly arranged between the fixed roller 205 and the fixed frame 1 206. A motor 218 is fixedly installed on one side of the support frame 100, and the output end of the motor 218 is connected to the crank disk 201. The torsion spring on the support frame 100 is connected to the flip rocker 202. The flip rocker 202 cancels the limiting resistance to the cutting tool 208 during the rotation process, and the cutting tool 208 is lifted under the reaction force of the torsion spring. At the same time, the end of the flip rocker 202 away from the crank disk 201 is rotatably connected to the transmission rod 203 that can push the locking assembly to rise and unlock.

[0026] Specifically, by opening one end of the clamping assembly of the fixed frame 1 206 and the fixed frame 207 with the cutting tool 208, by placing the inner diameter of the fixed frame 1 206 on the surface of the fixed roller 205, and by pushing the fixed frame 207 connected to the other end of the fixed frame 1 206 to rotate, the corresponding ends of the fixed frame 207 and the fixed frame 1 206 are clamped and fixed to each other, and the cutting tool 208 connected to the lower surface of the fixed frame 207 will maintain a horizontal knife-retracting state under the stress of the torsion spring, and the cross-link assembly is driven by the output end of the cylinder 303 to be adjusted, and the fixed frame 1 206 corresponding to the intersection of the cross-link assembly is driven to slide along the fixed roller 205 for equidistant adjustment, and the crank disk 201 on the support frame 100 is driven to rotate by the output end of the motor 218. The cutting tool 208 under the fixed frame 207 pushes the cylinder at one end of the flip rocker 202 to start to lift under the action of the counter-torque, and the flip rocker 202 pushes the locking assembly to lift through the transmission rod 203 during the rotation process.

[0027] By rotating the crank disc 201, the resistance limit on the cutting tool 208 can be canceled at the same time, so that the tool is lifted and retracted under the reaction force of the torsion spring. At the same time, it can also drive the transmission rod 203 to push the locking components of all the cutting tools 208 to move upward to unlock, which can reduce the wear of the tool and thus extend its service life. After the lock is canceled, it is convenient to perform equidistant adjustment. The cross-link assembly is pushed by the cylinder 303 to drive all the cutting tools 208 on the fixed roller 205 to perform equidistant adjustment along the adjustment slide 301, which can adapt to cutting requirements of different widths. The equidistant adjustment ensures that the distance between each blade is consistent, so that the size of the cut strip products can be uniform.

[0028] Example 2 Reference Figure 1-Figure 7 , which is the second embodiment of the present invention, provides a fixed-length shearing device, a limited groove 214 is provided on the fixed roller 205, a lifting coordination plate 204 is slidably installed in the limited groove 214, and the limited sliding columns 209 are slidably connected to the inner walls of the lifting coordination plate 204 on both sides, and a liftable brake plate 210 is provided below the fixed frame 206, and the bottom ends of both sides of the brake plate 210 are provided with lifting grooves 213 that are engaged with the limited sliding columns 209, and the end of the flip rocker 202 close to the crank disk 201 is set as a baffle, which is pushed by contacting the crank disk 201 on one side, and the flip rocker 202 is lifted by the other side. One end is a cylinder, which will push the cutting tool 208 of the torsion spring to rotate and drop the knife. The shapes of the fixed frame 1 206 and the fixed frame 207 are both semicircular, and the inner diameter is the same as the outer diameter of the fixed roller 205. The lifting coordination plate 204 is in the shape of a hollow long strip, which fits and slides in the limiting groove 214 on the fixed roller 205. There are slidable limiting slides 209 on both sides of the inner wall of the lifting coordination plate 204, and the number of limiting slides 209 on both sides is the same. The excess limiting slides 209 can be pushed to one end of the lifting coordination plate 204 to be discharged, and the brake plate 210 on the middle limiting groove 214 is limited.

[0029] The upper surface of the brake plate 210 is connected to a directional column 211, and the directional column 211 is slidably connected in the fixed frame 206. A reset spring 212 is arranged between the fixed frame 206 and the brake plate 210. The reset spring 212 between the fixed frame 206 and the brake plate 210 is sleeved on the directional column 211. The lifting slide 213 is in the shape of an inverted U shape and is respectively opened on both sides of the brake plate 210. The groove at the bottom of the lifting slide 213 can enable the brake plate 210 to be taken out from the limiting slide columns 209 on both sides, and the lifting coordination plate 204 is limited by the limiting groove 214. The transmission rods 203 on both sides push the lifting coordination plate 204 to rise and fall in the limiting groove 214. The outer diameter surface of the limiting groove 214 and the fixed roller 205 is provided with a slightly arc-shaped limiting block to prevent the lifting coordination plate 204 from falling off from the limiting groove 214.

[0030] Adjusting grooves 215 are provided on both sides of the lifting coordination plate 204, and the limiting slide column 209 is slidably connected in the adjusting groove 215. Rotating slide columns 216 are connected on both sides of the crank disk 201. Arc-shaped grooves 217 for limiting the rotating slide column 216 are provided on both sides of the support frame 100. A motor 218 is connected to one end of the crank disk 201. The shape of the arc-shaped groove 217 is an arc-shaped groove. The inner walls on both sides of the support frame 100 are provided with an adjusting groove 215 whose shape matches the shape of the connection between the limiting slide column 209, and both are T-shaped. The flip rocker 202 is rotatably connected to the inner wall of the support frame 100.

[0031] The adjusting slide 301 is provided with an adjusting slot 2 302, and the adjusting slide 301 is slidably connected with an adjusting slide post 304, and the end of the adjusting slide post 304 away from the cylinder 303 is connected with an adjusting slot frame 305, and one end of the fixed frame 206 is connected with a limiting block 306, and the adjusting slot frame 305 is movably connected with the limiting block 306, and the adjusting slot frame 305 is connected with the limiting block 306 by snapping, and the cross-link assembly includes a scissor-type transmission rod 1 307 arranged on one side of the adjusting slide 301. The scissor-type transmission rod 1 307 is rotatably connected to the adjusting slide post 304, and one side of the scissor-type transmission rod 1 307 is rotatably connected to the adjusting slide post 304, and one side of the scissor-type transmission rod 1 307 is rotatably connected to the scissor-type transmission rod 2 308, and the output end of the cylinder 303 is fixedly connected with the adjusting slide post 304, and the adjusting slide post 304 slides along the adjusting slot 2 302 provided on the adjusting slide 301.

[0032] One end of the scissor-type transmission rod 1 307 is rotatably connected to the rotating rod 1 309, and one end of the scissor-type transmission rod 2 308 is rotatably connected to the rotating rod 2 310. The end of the rotating rod 2 310 away from the scissor-type transmission rod 2 308 is rotatably connected to the fixed card slot frame 311, and one side of the fixed card slot frame 311 is connected to the adjustment slide 301. The lower surface of the fixed frame 206 is connected to the directional plate 312. One end of the adjustment slide column 304 is fixedly connected to the U-shaped adjustment card slot frame 305. The limit block 306 on one side of the fixed frame 206 slides down and falls into the adjustment card slot frame 305. The scissor-type transmission rod 2 308 and the rotating rod 1 309 are staggered and rotatably connected to the adjusting slide column 304 to form an X shape. One end of the rotating rod 1 309 and the rotating rod 2 310 are staggered and rotatably connected to the fixed card slot frame 311. The rotating rod 1 309 and the rotating rod 2 310 are installed with the scissor-type transmission rod 2 308 and the rotating rod 1 309 through pins, which is convenient for quick disassembly and assembly. The number can be added or reduced according to the spacing between the cutting tools 208. The directional plate 312 is shaped as two rectangular limit plates, which are respectively fitted with the two sides of the limit groove 214.

[0033] Specifically, the crank disk 201 on the support frame 100 is driven to rotate by the output end of the motor 218, and the rotating slide posts 216 at both ends of the crank disk 201 slide along the arc-shaped slide grooves 217 on both sides of the inner wall of the support frame 100, and the rotating slide posts 216 slide from the top end of the arc-shaped slide groove 217 to the bottom end. The cutting tool 208 under the fixed frame 207 pushes the cylinder at one end of the flip rocker 202 to start to rise under the action of the counter-torque force, and the baffle plate of the flip rocker 202 close to one end of the crank disk 201 begins to fall. The baffle plate will fit and gradually fall with the rotation of the crank disk 201, so that the fallen cutting tool 208 is gradually lifted and retracted. While retracting the knife, the transmission rod 203 at one end of the cylinder of the flip rocker 202 will push the transmission rod 203 to The lifting coordination plate 204 at the other end of the movable rod 203 slides up along the limiting groove 214, and the limiting slides 209 on both sides of the lifting coordination plate 204 are clamped in the lifting slides 213 on both sides of the brake plate 210. When the lifting coordination plate 204 rises along the limiting groove 214, the limiting slides 209 on both sides drive the brake plate 210 placed in the middle to lift and disengage from the fixed roller 205. The lifting coordination plate 204 can simultaneously drive the brake plates 210 of all cutting tools 208 in the limiting groove 214 to lift, so that the directional column 211 slides into the fixed frame 206, and the reset spring sheet 212 is squeezed by the rising of the brake plate 210, which is convenient for the subsequent adjustment of the tool, and vice versa, the lifting coordination plate 204 and the cutting tool 208 are driven to fall; The output end of the cylinder 303 drives the adjusting slide post 304 to slide along the adjusting slide slot 2 302 on the adjusting slide 301, and the adjusting slot frame 305 at one end of the adjusting slide post 304 is engaged with the limiting block 306 on the fixed frame 1 206, and the rotating rod 1 309 and the rotating rod 2 310 are limited at one end of the adjusting slide 301 through the fixed slot frame 311. When the adjusting slot frame 305 is driven to move by the output end of the cylinder 303, the scissor-type transmission rod 1 307 and the scissor-type transmission rod 2 308 will drive the rotating rod 1 309 and the rotating rod 2 310 to start rotating and merging together, driving the fixed frame 311 to move. Frame 1 206 and frame 2 207 begin to slide along the fixed roller 205, and the spacing between each cutting tool 208 on the fixed roller 205 is adjusted equidistantly. When the fixed frame 1 206 and frame 2 207 slide along the fixed roller 205, the brake plate 210 drives the limiting slide posts 209 on both sides to slide along the adjusting slide 1 215 through the lifting slide grooves 213 on both sides. The lifting slide grooves 213 on the lower surface of the fixed frame 1 206 fit with the two sides of the inner wall of the limiting groove 214 to prevent the fixed frame 1 206 and the fixed frame 207 from sliding left and right when adjusting along the fixed roller 205.

[0034] Example 3 Reference Figure 8-Figure 10, which is the third embodiment of the present invention, provides a cut-to-length shearing device, wherein a handle 401 is connected to the upper surface of a fixed frame 206, a sliding cavity 402 is provided in the fixed frame 206, a rotating cam 403 is rotatably connected in the fixed frame 206, a limiting column 404 is provided in the rotating cam 403, the sliding cavity 402 in the fixed frame 206 is semi-circular, a horizontal circular groove is provided at the vertex position of the circular arc, the rotating cam 403 is limited by a torsion spring that rotates in the circular groove, and a handle 401 is fixedly connected to the fixed frame 206.

[0035] Limiting grooves 405 are provided on both sides of the limiting column 404, and a limiting protrusion 406 is connected to the rotating cam 403. A rotating pull rod 407 is sleeved on the limiting column 404, and an arc-shaped slide 408 is slidably connected in the fixed frame 206. The limiting grooves 405 provided on both sides of the limiting column 404 are plugged into the limiting protrusion 406 on the rotating cam 403, and the lower surface of the limiting column 404 is connected to a directional column 211. The shape of the rotating cam 403 is a rhombus with rounded corners.

[0036] The side of the rotating cam 403 away from the arc slide 1 408 is slidably connected with the arc slide 2 409, and the side of the arc slide 2 409 away from the rotating cam 403 is provided with a limiting spring piece 410, one end of the arc slide 2 409 is connected with an L-shaped block 411, and one end of the fixed frame 2 207 is provided with a card slot 412 that can limit the L-shaped block 411, and the two sides of the rotating cam 403 are slidably connected with the arc slide 1 408 and the arc slide 2 409, both of which are slidably connected in the sliding cavity 402, and the arc slide 1 408 and the arc slide 2 409 are both provided with three limiting spring pieces 410 on the side away from the rotating cam 403, which are respectively arranged at the two ends and the vertex of the semicircle, and one end of the arc slide 1 408 and the arc slide 2 409 are both fixedly connected with the L-shaped block 411.

[0037] Specifically, by pushing the rotating rod 407 below the handle 401 to rotate 90 degrees, the rotating rod 407 rotates, through the clamping cooperation between the limiting slide groove 405 and the limiting protrusion 406, which will drive the limiting column 404 and the rotating cam 403 to rotate in the sliding cavity 402. When the rotating cam 403 rotates along the circular groove, it will simultaneously contact the arc slide 1 408 and the arc slide 2 409 in the sliding cavity 402, pushing the arc slide 1 408 and the arc slide 2 409 to slide to both sides to squeeze the limiting spring sheet 410, so that the arc slide 1 408 and the arc slide 2 409 on both sides are pressed. The L-shaped card block 411 is driven to slide in the fixing frame 207. Under the action of inertia, the L-shaped card blocks 411 on both sides of the fixing frame 207 will slide out along the exit of the card slot 412. When the staff releases the rotating pull rod 407, the arc-shaped slide 1 408 and the arc-shaped slide 2 409 on both sides will push the rotating cam 403 to rotate 90 degrees and return to the center under the reaction of the limiting spring sheet 410. The staff lifts the fixing frame 1 206 and the fixing frame 2 207 upward by holding the handle 401, and the limiting card block 306 on one side of the fixing frame 1 206 slides upward and disengages along the adjusting card slot frame 305. Furthermore, when the limiting block 306 on one side of the fixed frame 206 slides upward and disengages along the adjusting slot frame 305, the corresponding brake plate 210 under the fixed frame 206 that has been removed and lifted up separately will move upward along the limiting groove 214, and the limiting slide posts 209 on both sides of the lifting coordination plate 204 will slide downward along the lifting grooves 213 on both sides of the brake plate 210, thereby canceling the contact between the corresponding brake plate 210 and the fixed roller 205 separately, without affecting the brake plates 210 of other cutting tools 208 that have not been removed, thereby completing the separate replacement of a single cutting tool 208.

[0038] Example 4 Reference Figure 1-10 , which is a fourth embodiment of the present invention, provides a steel strip shearing method for steel rolling production, comprising the following steps; First, open the clamping assembly for connecting the fixing frame 1 206 and the fixing frame 207, and place the inner diameter of the fixing frame 1 206 on the surface of the fixing roller 205, and push the fixing frame 207 connected to the other end of the fixing frame 1 206 to be clamped and fixed to each other. The cutting tool 208 connected to the lower surface of the fixing frame 207 will maintain a horizontal knife-retracting state under the stress of the torsion spring, and the cross-link assembly is driven by the output end of the cylinder 303 to be adjusted, and the fixing frame 1 206 corresponding to the intersection of the cross-link assembly is driven to slide along the fixing roller 205 for equidistant adjustment, and the crank disk 201 on the support frame 100 is driven to rotate by the output end of the motor 218. The cutting tool 208 under the fixing frame 207 pushes one end of the flip rocker 202 to start lifting under the action of the counter-torque, and the flip rocker 202 pushes the locking assembly to be lifted and unlocked through the transmission rod 203 during the rotation.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cut-to-length device, comprising a support frame, characterized in that: The support frame is provided with a tool fixing mechanism, the tool fixing mechanism comprises a fixing roller fixedly mounted on the support frame, a fixing frame 1 is provided on the fixing roller, one end of the fixing frame 1 is rotatably connected to a fixing frame 2, the other ends of the fixing frame 1 and the fixing frame 2 are fixed by a clamping assembly, and a cutting tool is connected to a torsion spring on the lower surface of the fixing frame 2; One side of the fixed roller is provided with an equidistant adjustment mechanism installed on the support frame, the equidistant adjustment mechanism includes an adjustment slide fixedly connected to the support frame, one end of the adjustment slide is fixedly connected to a cross-link assembly, one end of the cross-link assembly is connected to a cylinder capable of driving the cross-link assembly to extend and retract, and each intersection of the cross-link assembly is respectively rotatably connected to a corresponding fixed frame on the fixed roller; A limited quick-release mechanism is provided between the fixed frame one and the fixed frame two, and the limited quick-release mechanism includes a locking assembly provided between the fixed roller and the fixed frame one. A motor is fixedly installed on one side of the support frame, and the output end of the motor is connected to a crank disk. A flip seesaw is connected to a torsion spring on the support frame. The flip seesaw cancels the limited resistance to the cutting tool during rotation, and the cutting tool is lifted under the reaction force of the torsion spring. At the same time, the end of the flip seesaw away from the crank disk is rotatably connected to a transmission rod that can push the locking assembly to rise and unlock.

2. The cut-to-length device according to claim 1, characterized in that: The fixed roller is provided with a limiting groove, a lifting coordination plate is slidably installed in the limiting groove, both sides of the inner wall of the lifting coordination plate are slidably connected to the limiting sliding column, a brake plate is provided under the fixed frame, and the bottom ends of both sides of the brake plate are provided with lifting sliding grooves that are clamped with the limiting sliding column.

3. The cut-to-length device according to claim 2, characterized in that: The upper surface of the brake plate is connected with an orientation column, and the orientation column is slidably connected in the fixing frame 1. A reset spring is arranged between the fixing frame 1 and the brake plate.

4. The cut-to-length device according to claim 2, characterized in that: An adjusting slide groove is provided on both sides of the lifting coordination plate, the limiting slide column is slidably connected in the adjusting slide groove, rotating slide columns are connected on both sides of the crank disc, arc-shaped slide grooves for limiting the rotating slide columns are provided on both sides of the support frame, and one end of the crank disc is connected to a motor.

5. The cut-to-length device according to claim 1, characterized in that: The adjusting slide is provided with an adjusting slide slot 2, and an adjusting slide column is slidably connected to the adjusting slide column, and an adjusting slot frame is connected to one end of the adjusting slide column away from the cylinder, and one end of the fixed frame 1 is connected to a limiting block, and the adjusting slot frame is connected to the limiting block by clamping. The cross-link assembly includes a scissor-type transmission rod 1 arranged on one side of the adjusting slide, the scissor-type transmission rod 1 is rotatably connected to the adjusting slide column, and one side of the scissor-type transmission rod 1 is rotatably connected to a scissor-type transmission rod 2.

6. The cut-to-length device according to claim 5, characterized in that: One end of the scissor-type transmission rod one is rotatably connected to rotating rod one, one end of the scissor-type transmission rod two is rotatably connected to rotating rod two, one end of the rotating rod two away from the scissor-type transmission rod two is rotatably connected to a fixed slot frame, one side of the fixed slot frame is connected to an adjusting slide, and the lower surface of the fixed frame one is connected to a directional plate.

7. The cut-to-length device according to claim 1, characterized in that: The upper surface of the fixing frame 1 is connected with a handle, a sliding cavity is opened in the fixing frame 1, a rotating cam is rotatably connected in the fixing frame 1, and a limiting column is arranged in the rotating cam.

8. The cut-to-length device according to claim 7, characterized in that: The limiting column has limiting sliding grooves on both sides, the rotating cam is connected with a limiting protrusion, the limiting column is sleeved with a rotating pull rod, and the fixing frame 1 is slidably connected with an arc-shaped sliding frame 1.

9. The cut-to-length device according to claim 7, characterized in that: The side of the rotating cam away from the arc slide one is slidably connected with the arc slide two, the side of the arc slide two away from the rotating cam is provided with a limiting spring sheet, one end of the arc slide two is connected with an L-shaped block, and one end of the fixed frame two is provided with a slot for limiting the L-shaped block.

10. A method for shearing steel strips in steel rolling production, using the cut-to-length shearing equipment according to any one of claims 1 to 9, characterized in that: The steps include: First, open the clamping assembly for connecting the fixed frame 1 and the fixed frame 2, place the inner diameter of the fixed frame 1 on the surface of the fixed roller, and push the other end of the fixed frame 1 to rotate the connected fixed frame 2, so that the corresponding ends of the fixed frame 2 and the fixed frame 1 are clamped and fixed to each other, and the cutting tool connected to the lower surface of the fixed frame 2 will maintain a horizontal knife-retracting state under the stress of the torsion spring, and the cross-link assembly is driven by the output end of the cylinder to be adjusted, and the fixed frame 1 corresponding to the intersection of the cross-link assembly is driven to slide along the fixed roller for equidistant adjustment, and the crank disk on the support frame is driven to rotate by the output end of the motor, and the cutting tool under the fixed frame 2 pushes one end of the flip rocker to start to lift under the action of the counter-torque, and the flip rocker pushes the locking assembly to be lifted and unlocked through the transmission rod during the rotation process.

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