Strip steel flying shear device

Abstract

The invention relates to a strip steel flying shear device which comprises a flying shear body, the feeding end of the flying shear body is connected with a rack, the rack is connected with a conveying part, the rack is connected with a plurality of pressing rollers, the pressing rollers are arranged on one side of the conveying part, the pressing rollers are used for making contact with the end, away from the conveying part, of strip steel, and the pressing rollers are connected to the rack through a lifting part. The lifting piece drives the pressing roller to move in the vertical direction and makes the pressing roller make contact with the strip steel, so that the strip steel is pressed in the strip steel conveying process, the conditions of jumping and tilting caused by strip steel bending are avoided as much as possible, the stability of the strip steel in the shearing process is improved, the product quality is improved, and the shutdown overhaul time is shortened.

Description

Technical Field

[0001] The present application relates to the field of strip steel shearing, and in particular to a strip steel flying shear device. Background Art

[0002] In the continuous steel rolling process, after the strip has completed rolling and other processes, it needs to be precisely cut to the required length. As a key piece of equipment, the flying shear is able to dynamically cut the strip while it is in continuous, high-speed motion, without interrupting the production line. This significantly improves production efficiency and continuity, making it an indispensable core component of modern steel rolling lines.

[0003] Regarding the above-mentioned related technologies, the length of the strip is usually long, and the strip is easily bent due to internal stress when transported to the flying shear. There is a possibility that the strip will jump or warp when shearing, which will affect the product quality. Summary of the Invention

[0004] In order to avoid bending of strip steel during transportation as much as possible and improve product quality, the present application provides a strip steel flying shear device.

[0005] The present application provides a strip steel flying shear device that adopts the following technical solution: A strip shear device includes a shear body, a frame connected to the feed end of the shear body, a transport member connected to the frame, and the transport member is used to guide the strip into the shear body. The frame is connected to a plurality of pressure rollers, and the plurality of pressure rollers are spaced apart along the strip transport direction. The pressure rollers are arranged on one side of the transport member, and are used to contact the end of the strip away from the transport member. The pressure rollers are connected to the frame via a lifting member, and the lifting member drives the pressure rollers to move and drive the pressure rollers close to or away from the transport member.

[0006] By adopting the above technical solution, when in use, the strip steel is transported to the flying shear body by the transport part. When the transport part transports the strip steel, the lifting part drives the pressure roller to move in the vertical direction and makes the pressure roller contact with the strip steel, thereby pressing the strip steel during the transportation process, avoiding the strip steel from bending, jumping, and warping as much as possible, improving the stability of the strip steel during shearing, improving product quality, and reducing downtime and maintenance time.

[0007] Optionally, the frame is connected to two limit plates, which are spaced apart horizontally and perpendicular to the strip transport direction, and the two limit plates form a gap for the strip to pass through. The two limit plates are respectively used to contact the two ends of the strip, and the length direction of the limit plates is consistent with the strip transport direction. The limit plates are arranged on the side of the transmission member close to the pressure roller.

[0008] By adopting the above technical solution, additional limit plates are provided. When the strip is transported, the two limit plates are in contact with both ends of the strip respectively, so as to avoid the deviation of the strip during transportation as much as possible.

[0009] Optionally, the frame is connected to a movable part, which is used to drive the limit plate to move and make the two limit plates approach and move away from each other. The pressure roller is connected to an adjustment component, which is used to adjust the projection length of the pressure roller horizontally and perpendicular to the strip transportation direction.

[0010] By adopting the above technical solution, when the transport part transports strip steel of different widths, the moving part drives the limit plate to move, thereby changing the distance between the two limit plates, and then adapting to the limit of transportation when transporting strip steel of different widths. When transporting strip steel of different widths, the adjustment component adjusts the projection length of the pressure roller along the horizontal and perpendicular direction to the strip steel, so as to facilitate the pressure roller to adapt to strip steel of different widths and try to avoid interference between the pressure roller and the limit plate during use.

[0011] Optionally, the lifting member is connected to a connecting frame, the pressure roller is connected to a connecting rod, and several of the connecting rods are rotatably connected to the connecting frame. The adjusting assembly includes a first rod, a second rod, a first cylinder, and a mounting rod. One end of the first rod is connected to the peripheral side of the connecting rod, and the other end of the first rod is hinged to the second rod. The connecting frame is connected to the first cylinder, and the piston rod of the first cylinder is connected to the mounting rod. The second rod is hinged to the mounting rod at one end away from the first rod. The first cylinder is used to drive the mounting rod to move and drive the second rod to drive the first rod to rotate.

[0012] By adopting the above technical solution, when transporting strip steel of different widths, the first cylinder drives the mounting rod to move, the mounting rod moves and drives the second rod to move, the second rod drives the first rod to rotate, the connecting rod follows the first rod to rotate, the pressure roller follows the connecting rod to rotate, and the pressure roller rotates, thereby changing the projection length of the pressure roller horizontally and perpendicular to the strip steel transportation direction, so that the pressure roller can adapt to strip steel of different widths.

[0013] Optionally, the connecting frame includes a support frame and a mounting plate, the connecting rod and the first cylinder are connected to the mounting plate, the mounting plate is slidably connected to the support frame along the strip transport direction, the support frame is connected to a moving component, and the moving component is used to drive the mounting plate to move along the strip transport direction.

[0014] By adopting the above technical solution, when the pressure roller rotates, the distance between the pressure roller and the shear body changes. In order to avoid collision between the pressure roller and the shear body as much as possible, the moving component drives the mounting plate to move along the strip transportation direction, so that the pressure roller is away from the shear body, thereby reducing the collision between the pressure roller and the shear body.

[0015] Optionally, the moving component includes a rack, a gear, and a first motor, the length direction of the rack is consistent with the transport direction of the strip steel, the rack is connected to the mounting plate, the first motor is connected to the support frame, the gear is connected to the output shaft of the first motor, and the gear is engaged with the rack.

[0016] By adopting the above technical solution, when the mounting plate is moved, the first motor drives the gear to rotate, thereby driving the rack to move along the strip transportation direction, the mounting plate follows the rack to move, and the mounting plate drives the pressure roller to move, thereby changing the distance between the pressure roller and the shear body.

[0017] Optionally, the support frame is detachably connected to a fixed roller, the length direction of the fixed roller is horizontally arranged and perpendicular to the strip transportation direction, and the fixed roller is arranged on the side of the pressure roller close to the shear body.

[0018] By adopting the above technical solution, a set roller is added. When in use, the fixed roller presses the strip steel close to the shear body, so as to avoid as much as possible that the strip steel close to the shear body bends and jumps or tilts when the moving component drives the pressure roller to move and moves away from the shear body. The fixed roller is detachably connected, so that it is easy to replace fixed rollers of different lengths, so that the fixed roller can adapt to strip steels of different widths.

[0019] Optionally, the fixed roller is connected to a support rod, the support frame is provided with a connecting hole, the support rod is inserted into the support frame through the connecting hole, the support rod is provided with a mounting groove on the circumference of the support rod, the inner wall of the mounting groove is connected with a spring and a locking block, one end of the spring is connected to the inner wall of the mounting groove, and the other end of the spring is connected to the locking block, a locking groove is provided on the top of the support frame, the locking groove is connected to the connecting hole, the locking block is inserted into the support frame through the locking groove, and the spring is used to push the locking block to move and drive the locking block to press against the inner wall of the locking groove.

[0020] By adopting the above technical solution, when in use, the support rod is arranged in the connecting hole, and the locking block is arranged in the locking groove. When disassembling the fixed roller, the locking block is pushed so that the locking block is embedded in the installation groove, so that the support rod is pulled downward out of the connecting hole, thereby facilitating the disassembly of the fixed roller. When installing the top roller, the locking block is pressed so that the locking block is embedded in the installation groove, and the locking block squeezes the spring, thereby facilitating the support rod to pass through the connecting hole. When the locking block approaches the locking groove, the spring restores its shape and pushes the locking block against the inner wall of the locking groove, thereby connecting the support rod to the support frame, thereby facilitating the replacement of the fixed roller.

[0021] Optionally, the support rod is connected to a baffle, which is arranged below the mounting groove. When the support rod is installed on the support frame, the top of the baffle contacts the support frame.

[0022] By adopting the above technical solution, a baffle is added. When in use, the baffle contacts the support frame, thereby minimizing the upward movement of the fixed roller when it contacts the transport member or strip steel, thereby improving the stability of the connection between the support rod and the support frame.

[0023] Optionally, the movable part is a second cylinder, the piston rod of the second cylinder is connected to the mounting block, the limit plate is hinged to the mounting block, the mounting block is connected to a second motor, the output shaft of the second motor is connected to the limit plate, and the second motor is used to drive the limit plate to rotate and drive the limit plate away from the transport part.

[0024] By adopting the above technical solution, when transporting strip steel of different widths, the second motor drives the limit plate to rotate so that the limit plate is away from the transport part. After the limit plate is away from the transport part, the second cylinder drives the mounting block and the limit plate to move, thereby changing the distance between the two limit plates, thereby minimizing the wear caused by friction between the limit plate and the transport part when the second cylinder moves the limit plate.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. When in use, the strip is transported into the flying shear body by the transport member. When the transport member transports the strip, the lifting member drives the pressure roller to move in the vertical direction and makes the pressure roller contact with the strip, thereby pressing the strip during transportation, avoiding the strip from bending, jumping, or tilting as much as possible, improving the stability of the strip during shearing, improving product quality, and reducing downtime for maintenance; 2. When the transport parts transport strips of different widths, the moving parts drive the limit plates to move, thereby changing the distance between the two limit plates, thereby adapting to the limit when transporting strips of different widths. When transporting strips of different widths, the adjustment component adjusts the projection length of the pressure roller along the horizontal and perpendicular direction to the strip, so that the pressure roller can adapt to strips of different widths and avoid interference between the pressure roller and the limit plates during use. 3. When transporting strip steel of different widths, the first cylinder drives the mounting rod to move, the mounting rod moves and drives the second rod to move, the second rod drives the first rod to rotate, the connecting rod follows the rotation of the first rod, the pressure roller follows the rotation of the connecting rod, and the pressure roller rotates, thereby changing the length of the pressure roller horizontally and perpendicular to the transport direction of the strip steel, so that the pressure roller can adapt to strip steel of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural diagram of this embodiment.

[0027] Figure 2 It is a partial cross-sectional structural diagram of this embodiment, used to illustrate the moving components.

[0028] Figure 3 This embodiment Figure 1 Enlarged view of part A.

[0029] Figure 4 It is a partial cross-sectional structural diagram of this embodiment, used to show the support rods and connecting holes.

[0030] Figure 5 This embodiment Figure 4 Magnified view of part B.

[0031] Explanation of reference numerals: 100, shear body; 200, frame; 210, third cylinder; 300, conveyor belt; 400, pressure roller; 410, first mounting bracket; 420, connecting rod; 500, limit plate; 510, second cylinder; 511, mounting block; 512, second motor; 600, connecting bracket; 610, support frame; 611, moving hole; 612, connecting hole; 613, locking groove; 62 0. Mounting plate; 621. Moving plate; 630. First cylinder; 631. Mounting rod; 700. Moving assembly; 710. Rack; 720. Gear; 730. First motor; 800. Adjusting assembly; 810. First rod; 820. Second rod; 900. Fixed roller; 910. Second mounting bracket; 920. Support rod; 921. Mounting slot; 922. Spring; 923. Locking block; 924. Baffle. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-5 This application is described in further detail.

[0033] The embodiment of the present application discloses a strip steel flying shear device. Figure 1 and Figure 2 A flying shear device for strip steel comprises a flying shear body 100, a frame 200, a transport member, a pressure roller 400, a limit plate 500, and a fixed roller 900. The frame 200 is arranged at the feed end of the flying shear body 100. The transport member is connected to the frame 200 and is used to guide the strip steel into the flying shear body 100. The fixed roller 900 is arranged above the transport member, and the length direction of the fixed roller 900 is consistent with the width direction of the strip steel, and the fixed roller 900 is used to contact the strip steel. A plurality of pressure rollers 400 are provided, and the pressure rollers 400 are arranged above the transport member and are used to contact the strip steel. The pressure rollers 400 and the fixed rollers 900 are distributed in sequence along the transport direction of the strip steel. Two limit plates 500 are provided. They are located above the transport member and are spaced apart horizontally and perpendicularly to the strip transport direction. The two limit plates 500 form a gap for the strip to pass through. The two limit plates 500 are used to contact the two ends of the strip respectively. The limit plates 500 limit the strip transport direction, so that the strip is transported stably along the predetermined direction. When the strip is transported, the pressure roller 400 presses the strip to minimize the strip bending during transportation, thereby improving product quality. Reference Figure 1The conveyor belt 300 is a horizontal conveyor belt, and its length is aligned with the length of the steel strip. A limit plate 500 is aligned with the length of the conveyor belt 300 and is L-shaped. The bottom of the limit plate 500 contacts the top of the conveyor belt 300, and the top of the limit plate 500 is tilted toward the side away from the steel strip.

[0034] Reference Figure 1 The end of the limit plate 500 away from the steel strip is connected to a movable member, a second cylinder 510, which is connected to the frame 200. The length of the second cylinder 510 is aligned with the width of the steel strip. The piston rod of the second cylinder 510 is connected to a mounting block 511, the length of which is aligned with the length of the conveyor belt 300. The top end of the limit plate 500 is hinged to the mounting block 511, which is connected to a second motor 512. The output shaft of the second motor 512 is connected to the top end of the limit plate 500.

[0035] Reference Figure 1 The frame 200 is connected to a lifting part, which is the third cylinder 210. The third cylinder 210 is arranged above the conveyor belt 300. The third cylinder 210 is arranged vertically. The piston rod of the third cylinder 210 is connected to the connecting frame 600. The pressure roller 400 is connected to the connecting frame 600. The pressure roller 400 is arranged horizontally. Several pressure rollers 400 are distributed at intervals along the length direction of the conveyor belt 300.

[0036] Reference Figure 1 and Figure 2 The connecting frame 600 includes a support frame 610 and a mounting plate 620. The length direction of the support frame 610 is consistent with the length direction of the conveyor belt 300. The support frame 610 is C-shaped, and the piston rod of the third cylinder 210 is connected to the support frame 610. The length direction of the mounting plate 620 is consistent with the length direction of the conveyor belt 300, and the mounting plate 620 is arranged in the support frame 610. Both ends of the mounting plate 620 in the width direction are connected to a movable plate 621. The length direction of the movable plate 621 is consistent with the width direction of the conveyor belt 300, and the inner wall of the support frame 610 at both ends along the width direction of the conveyor belt 300 is opened with a movable hole 611. The length direction of the movable hole 611 is consistent with the length direction of the conveyor belt 300. The movable plate 621 passes through the movable hole 611 along the length direction, and the movable plate 621 slides along the length direction of the conveyor belt 300 and fits in the inner wall of the movable hole 611.

[0037] Reference Figure 1 and Figure 2The support frame 610 is connected to a moving assembly 700, which is used to drive the mounting plate 620 to move along the strip transport direction. The moving assembly 700 includes a rack 710, a gear 720, and a first motor 730. The length of the rack 710 is consistent with the length of the conveyor belt 300. The rack 710 is provided on the outer wall of the support frame 610. One end of the rack 710 in the length direction is connected to the moving plate 621. The rack 710 slides along the length direction and fits on the outer wall of the support frame 610. The first motor 730 is connected to the outer wall of the support frame 610. The gear 720 is connected to the output shaft of the first motor 730. The central axis of the output shaft of the first motor 730 is collinear with the central axis of the gear 720. The gear 720 is meshed with the rack 710.

[0038] Reference Figure 1 and Figure 3 The pressure roller 400 is connected to a first mounting bracket 410. The length of the first mounting bracket 410 is aligned with the length of the pressure roller 400. The two ends of the pressure roller 400 are rotatably connected to the two ends of the length of the first mounting bracket 410. The top of the first mounting bracket 410 is connected to a connecting rod 420. The length of the connecting rod 420 is aligned with the vertical direction. Several connecting rods 420 pass through and are rotatably connected to the mounting plate 620.

[0039] Reference Figure 1 and Figure 3 The connecting rod 420 is connected to an adjustment assembly 800, which is used to rotate the pressure roller 400 and adjust the projected length of the pressure roller 400 along the width of the strip. The adjustment assembly 800 includes a first rod 810 and a second rod 820. One end of the first rod 810 is connected to the side of the connecting rod 420, and the other end of the first rod 810 is hinged to the second rod 820.

[0040] Reference Figure 1 and Figure 3 The mounting plate 620 is connected to a first cylinder 630, the length of which is aligned with the length of the conveyor belt 300. The first cylinder 630 is located at one end of the mounting plate 620. The piston rod of the first cylinder 630 is connected to a mounting rod 631, the length of which is aligned with the length of the conveyor belt 300. The second rod 820 is hinged to the mounting rod 631 at one end away from the first rod 810. When adapting to strip steel of different sizes, the first cylinder 630 drives the mounting rod 631 to move, thereby driving the second rod 820 and the first rod 810 to move, and then driving the connecting rod 420 to rotate, thereby changing the projection length of the pressure roller 400 in the strip steel width direction, so that the pressure roller 400 can adapt to strip steel of different widths. When the pressure roller 400 rotates, the first motor 730 drives the gear 720 to rotate, thereby driving the rack 710 and the movable plate 621 to move, and then driving the mounting plate 620 to move, so that the mounting plate 620 is away from the shear machine body 100, so as to avoid the situation where the pressure roller 400 rotates and is in contact with the shear machine body 100.

[0041] Reference Figure 4 The fixed roller 900 is connected to a second mounting bracket 910, the length of which is aligned with the width of the conveyor belt 300. The fixed roller 900 is rotatably connected to the second mounting bracket 910 at both ends of its length. A support rod 920 is connected to the top of the second mounting bracket 910, with its length aligned with the vertical direction. A connection hole 612 is defined at the top of the support frame 610, near one end of the shear body 100. The depth of the connection hole 612 is aligned with the vertical direction. The support rod 920 passes through the connection hole 612 along its length and is inserted into the support frame 610 through the connection hole 612.

[0042] Reference Figure 4 and Figure 5 A mounting groove 921 is provided on the circumference of the support rod 920. The depth direction of the mounting groove 921 is consistent with the radial direction of the support rod 920. A spring 922 and a locking block 923 are connected to the inner wall of the mounting groove 921. The length direction of the spring 922 is consistent with the depth direction of the mounting groove 921. One end of the spring 922 is connected to the inner wall of the mounting groove 921, and the other end of the spring 922 is connected to the locking block 923. The locking block 923 slides along the depth direction of the mounting groove 921 and fits against the inner wall of the mounting groove 921. A locking groove 613 is provided on the top of the support frame 610. The locking groove 613 is connected to the connecting hole 612. The locking block 923 is inserted into the support frame 610 through the locking groove 613. The spring 922 is used to push the locking block 923 to move along the depth direction of the mounting groove 921 and drive the locking block 923 to press against the inner wall of the locking groove 613. The support rod 920 is provided with a baffle 924, which is arranged below the support frame 610. The top of the baffle 924 is used to contact the bottom of the support frame 610. A set roller 900 is added and is detachable, which is convenient for replacing the set roller 900 of different widths, so as to adapt to different widths of strip steel.

[0043] The implementation principle of the strip flying shear device is as follows: in use, according to the width of the strip, the second cylinder 510 drives the limiting plate 500 to move, so as to change the distance between the two limiting plates 500, so as to adapt to strips of different widths. When it is necessary to adjust the projection length of the pressure roller 400 in the width direction of the strip by adjusting the adjusting assembly 800, the first motor 730 drives the gear 720 to rotate, so as to drive the rack 710 and the moving plate 621 to move, the mounting plate 620 moves with the moving plate 621, the mounting plate 620 drives the pressure roller 400 to move, so that the pressure roller 400 moves away from the flying shear body 100, so as to facilitate the rotation of the pressure roller 400. The first cylinder 630 drives the mounting rod 631 to move along the length direction of the conveying belt 300, so as to drive the second rod 820 to move, the second rod 820 drives the first rod 810 to rotate, so that the connecting rod 420 rotates with the first rod 810, the pressure roller 400 rotates with the connecting rod 420, so as to change the length of the pressure roller 400 in the width direction of the strip, and according to the width of the strip, the corresponding length of the fixed roller 900 is installed, so as to facilitate the pressure roller 400 and the fixed roller 900 to adapt to strips of different widths. When the strip is transported, the limiting plate 500 limits and guides the moving direction of the strip, so as to avoid the deviation of the strip as much as possible during transportation, and when the strip is transported, the pressure roller 400 and the fixed roller 900 contact and press the strip, so as to avoid the bending of the strip due to the too long length of the strip as much as possible, and improve the product quality.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A strip steel flying shear device, comprising a flying shear body (100), characterized in that: The feeding end of the shearing machine body (100) is connected to a frame (200), the frame (200) is connected to a transport member, the transport member is used to guide the strip steel into the shearing machine body (100), the frame (200) is connected to a plurality of pressure rollers (400), the plurality of pressure rollers (400) are spaced apart along the transport direction of the strip steel, the pressure rollers (400) are arranged on one side of the transport member, the pressure rollers (400) are used to contact the end of the strip steel away from the transport member, the pressure rollers (400) are connected to the frame (200) via a lifting member, the lifting member drives the pressure rollers (400) to move and drives the pressure rollers (400) close to or away from the transport member.

2. A strip flying shear device according to claim 1, characterized in that: The frame (200) is connected to two limit plates (500), and the two limit plates (500) are spaced apart horizontally and perpendicularly to the strip transport direction. The two limit plates (500) are spaced apart to form a gap for the strip to pass through. The two limit plates (500) are respectively used to contact the two ends of the strip. The length direction of the limit plates (500) is consistent with the strip transport direction. The limit plates (500) are arranged on the side of the transmission member close to the pressure roller (400).

3. The flying shear device for strip steel according to claim 2, characterized in that: The frame (200) is connected to a moving part, and the moving part is used to drive the limit plates (500) to move and make the two limit plates (500) approach and move away from each other. The pressure roller (400) is connected to an adjustment component (800), and the adjustment component (800) is used to adjust the projection length of the pressure roller (400) along the horizontal direction and perpendicular to the strip transportation direction.

4. The strip flying shear device according to claim 3, characterized in that: The lifting member is connected to a connecting frame (600), the pressure roller (400) is connected to a connecting rod (420), and a plurality of the connecting rods (420) are rotatably connected to the connecting frame (600). The adjusting assembly (800) comprises a first rod (810), a second rod (820), a first cylinder (630), and a mounting rod (631). One end of the first rod (810) is connected to the peripheral side of the connecting rod (420), and the other end of the first rod (810) is hinged to the second rod (820). The connecting frame (600) is connected to the first cylinder (630), and the piston rod of the first cylinder (630) is connected to the mounting rod (631). One end of the second rod (820) away from the first rod (810) is hinged to the mounting rod (631). The first cylinder (630) is used to drive the mounting rod (631) to move and drive the second rod (820) to drive the first rod (810) to rotate.

5. The flying shear device for strip steel according to claim 4, characterized in that: The connecting frame (600) includes a support frame (610) and a mounting plate (620). The connecting rod (420) and the first cylinder (630) are connected to the mounting plate (620). The mounting plate (620) is slidably connected to the support frame (610) along the direction of strip transportation. The support frame (610) is connected to a moving component (700). The moving component (700) is used to drive the mounting plate (620) to move along the direction of strip transportation.

6. The strip flying shear device according to claim 5, characterized in that: The moving assembly (700) includes a rack (710), a gear (720), and a first motor (730). The length direction of the rack (710) is consistent with the transport direction of the strip steel. The rack (710) is connected to the mounting plate (620). The first motor (730) is connected to the support frame (610). The gear (720) is connected to the output shaft of the first motor (730). The gear (720) is meshed with the rack (710).

7. The strip flying shear device according to claim 5, characterized in that: The support frame (610) is detachably connected to a fixed roller (900), the length direction of the fixed roller (900) being arranged horizontally and perpendicular to the strip transport direction, and the fixed roller (900) being arranged on a side of the pressure roller (400) close to the shear body (100).

8. The strip flying shear device according to claim 7, characterized in that: The fixed roller (900) is connected to a support rod (920), the support frame (610) is provided with a connecting hole (612), the support rod (920) is plugged into the support frame (610) through the connecting hole (612), the support rod (920) is provided with a mounting groove (921) on the circumference, the inner wall of the mounting groove (921) is connected with a spring (922) and a locking block (923), one end of the spring (922) is connected to the inner wall of the mounting groove (921), and the other end of the spring (922) is connected to the locking block (923), the top of the support frame (610) is provided with a locking groove (613), the locking groove (613) is communicated with the connecting hole (612), the locking block (923) is plugged into the support frame (610) through the locking groove (613), and the spring (922) is used to push the locking block (923) to move and drive the locking block (923) to press against the inner wall of the locking groove (613).

9. The strip flying shear device according to claim 8, characterized in that: The support rod (920) is connected to a baffle (924), and the baffle (924) is arranged below the mounting groove (921). When the support rod (920) is mounted on the support frame (610), the top of the baffle (924) contacts the support frame (610).

10. The strip flying shear device according to claim 3, characterized in that: The movable member is a second cylinder (510), a piston rod of the second cylinder (510) is connected to a mounting block (511), the limiting plate (500) is hinged to the mounting block (511), the mounting block (511) is connected to a second motor (512), an output shaft of the second motor (512) is connected to the limiting plate (500), and the second motor (512) is used to drive the limiting plate (500) to rotate and drive the limiting plate (500) away from the transport member.

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