Steel belt feeding, slitting and shearing device and using method

Abstract

The invention discloses a steel belt feeding, slitting and shearing device and a using method, and relates to the technical field of steel belt machining, the steel belt feeding, slitting and shearing device comprises a cutting knife and two mounting belts, the cutting knife is fixedly connected with the output ends of two first hydraulic cylinders, and the two mounting belts are symmetrically arranged in a bottom box; a plurality of conveying components used for conveying steel belts are arranged on the mounting belt at equal intervals, a conveying belt is arranged in the bottom box, and a discharging mechanism is arranged on the inner side of the upper cover. A plurality of conveying components are arranged on the mounting belt, so that the mounting belt can conveniently pull the steel belt to move, the steel belt is in a tightened state in the process of pulling the steel belt to move, and a first cleaning belt and a second cleaning belt are arranged on one side of the bottom box, so that the to-be-clamped part of the steel belt can be conveniently cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of steel strip processing, and in particular to a steel strip feeding and strip shearing device and a use method thereof. Background Art

[0002] In the field of metal processing, especially in the steel industry, steel strip, as an important raw material, is widely used in the automotive, home appliance, construction and other industries. Steel strip is a strip-shaped metal material with large length and width and small thickness. It has high dimensional accuracy and good surface quality, which makes it very suitable for applications that require fine processing. In order to meet the needs of different products, it is usually necessary to shear the steel strip to obtain strip steel of a specific length or width. When shearing steel strip, it is divided into transverse shearing and longitudinal shearing. Transverse shearing refers to shearing along the width direction of the steel strip, which is usually used to cut wide steel strips into narrow strips of the required width. Longitudinal shearing refers to shearing along the length direction of the steel strip, which is usually used to cut continuous steel strips into segments of specific lengths.

[0003] The announcement is: CN116713529B, which discloses an automatic cutting device for hot-dip galvanized steel strip, which performs preliminary transmission constraints on the steel strip by means of a whole strip ring arranged in the middle of the bunching roller, and at the same time, the upper discharging roller is also provided with a whole strip ring for discharging, so as to cooperate with the whole strip ring of the bunching roller to realize the overall constraint on the transmission of the steel strip, and transmit the unprocessed and processed steel strips respectively through the traction part and the discharging part, and during the production and winding process of the steel strip, a lot of dust and a small amount of oil will adhere to the surface of the steel strip, so that a layer of oil will adhere to the surface of the steel strip, and the above-mentioned cutting device only relies on two rotating rollers to squeeze the steel strip for conveying the steel strip, and makes the rotating rollers rotate to convey the steel strip, so that in actual use, there will be a problem of slippage at the contact position between the rotating roller and the steel strip, resulting in an error in the length of the cutting section, and at the same time, after the rotating roller has conveyed the steel strip for a long time, a lot of oil will adhere to the surface of the rotating roller, resulting in the problem of weakened subsequent steel strip conveying effect.

[0004] Based on this, a steel strip feeding strip shearing device and a method of use are now provided, which can eliminate the disadvantages of the existing devices. Summary of the invention

[0005] The object of the present invention is to provide a steel strip feeding and strip shearing device and a method for using the same, so as to solve the problem in the background technology that it is inconvenient to accurately convey the steel strip.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A steel strip feeding and slitting shearing device comprises a cutting knife and a mounting belt, wherein the cutting knife is fixedly connected to two first hydraulic cylinder output ends respectively, the first hydraulic cylinder is fixedly arranged at the upper end inside the upper cover, the upper cover is fixedly arranged at the upper end of the bottom box, a lifting rod is arranged below the cutting knife, and the output end of the first hydraulic cylinder is provided with a linkage component for driving the lifting rod to move synchronously, the two mounting belts are symmetrically arranged inside the bottom box, the cutting knife is located between the two mounting belts, and a plurality of conveying parts for conveying the steel strip are evenly spaced on the mounting belt, the conveying parts include two symmetrically arranged conveying components, the conveying components include a mounting seat, the mounting seat is fixedly arranged on the mounting belt, a clamping mechanism for clamping the steel strip is provided on the upper end of the mounting seat, a conveyor belt is provided inside the bottom box, the conveyor belt passes through the inner sides of the two mounting belts, and a unloading mechanism is provided on the inner side of the upper cover for facilitating the unloading of the cut steel strip.

[0008] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0009] In an optional solution: both ends of the installation belt are equipped with a first driving roller and a first rotating roller, and a first fixed shaft is fixed between the two coaxial first driving rollers and the first rotating rollers. The rotating shafts at one end of the first driving roller and the first rotating roller are respectively rotatably arranged in the rotating holes on one side of the two first retaining plates, and the first retaining plates are fixedly arranged inside the bottom box. The rotating shaft at one end of one of the first driving rollers is fixedly connected to the output end of the first motor, and the first motor is fixedly arranged on one side of the bottom box. The second driving roller and the second transmission roller are respectively equipped with a second driving roller and a second transmission roller at both ends of the transmission belt. The first rotating plates are rotatably arranged on the rotating shafts at both ends of the second driving roller and the second transmission roller. The first rotating plates are fixedly arranged on the bottom box, and the rotating shaft at one end of the second driving roller is fixedly connected to the output end of the second motor. The second motor is fixedly arranged on one side of the first rotating plate. The first motor and the second motor are electrically connected to the control box, and the control box is fixedly arranged on one side of the bottom box. A support belt is equipped on one side of the cutting knife, and a third driving roller and a third transmission roller are respectively equipped at both ends of the support belt. The rotating shafts at both ends of the third driving roller and the third transmission roller are respectively rotatably arranged in the mounting holes inside the installation box, and the installation box is fixedly arranged at the bottom end inside the bottom box.

[0010] In an optional scheme: the linkage assembly includes a first rack, a mounting frame is fixed on the output end of the first hydraulic cylinder, two first racks are respectively fixed at one end of the two mounting frames, a first gear is meshed on the first rack, the first gear is fixed on the rotating shaft at one end of the worm, and second rotating plates are rotatably provided at both ends of the worm, and the second rotating plate is fixed in the mounting groove at the bottom end of the first retaining plate, a worm wheel is meshed on the worm, and the worm wheel is fixed at one end of the mounting shaft, and the other end of the mounting shaft extends to the outside of the first retaining plate, a support tube is rotatably provided on the mounting shaft, and the support tube is fixed on one side of the first retaining plate, a second gear is fixed at one end of the mounting shaft, and a second rack is meshed on the second gear, and two second racks are respectively fixed at both ends of the lifting rod, a limiting through hole is provided at one end of the second rack, and a limiting sliding rod is slidably provided in the limiting through hole, and the limiting sliding rod is fixed at the bottom end inside the bottom box, and the bottom end of the lifting rod is respectively fixedly connected to the output ends of the two telescopic rods, and the telescopic rod is fixed at the bottom end inside the bottom box.

[0011] In an optional solution: the clamping mechanism includes a clamping tube and a first clamping plate, the two clamping tubes are fixedly arranged on one side of the sliding box, the two first clamping plates are respectively arranged above the two clamping tubes, the two first clamping plates are fixedly connected by a connecting plate, the first clamping plates are slidably arranged inside the sliding box, the sliding box is slidably arranged inside the limit box, the limit box is fixedly arranged on the upper end of the mounting seat, a first push rod is fixedly arranged on one side of the sliding box, a first return spring is fixedly arranged between one end of the first push rod and one side of the limit box, a second push rod is fixedly arranged on the upper end of the connecting plate, and the first The bottom end of the clamping plate and the bottom end of the sliding box are both fixed with a second return spring, the bottom box is symmetrically provided with a first guide plate, the first guide plate and one end of the first push rod at the upper end of the mounting belt are at the same height, the upper end of the upper cover is fixed with a second guide plate, the second guide plate and the second push rod at the upper end of the mounting belt are at the same position, one end of the first guide plate and the second guide plate are both inclined, the clamping tube is slidably provided with a second clamping plate, the clamping sides of the first clamping plate and the second clamping plate are both provided with an anti-slip layer, and the clamping tube is provided with a lifting component for driving the second clamping plate to move.

[0012] In an optional scheme: the lifting assembly includes a connecting rod, one end of the connecting rod is hingedly connected to the bottom end of the second clamping plate, the other end of the connecting rod is hingedly provided with a push rod, one end of the push rod is slidably provided with a first guide slide rod, the first guide slide rod is fixed inside the clamping tube, a first tension spring is fixed between one end of the push rod and one side of the inside of the clamping tube, one end of the push rod extends to the inside of the sliding box, one end of the push rod is fixedly provided with a guide block, the inclined surface of the guide block is matched with a pressure rod, and the pressure rods are fixedly provided at the bottom end of the first clamping plate.

[0013] In an optional solution: a fixing rod is symmetrically provided on one side of the limit box, a limiting wheel is rotatably provided on one end of the fixing rod, a limiting track is fixedly provided on the upper end of the first retaining plate, and the limiting track fits tightly with the limiting wheel on the upper end of the mounting belt.

[0014] In an optional scheme: the unloading mechanism includes a first adjusting plate and a second adjusting plate, the first adjusting plate and the second adjusting plate are respectively tightly attached to the second guide plate and one end of the first guide plate, the first adjusting plate and the second adjusting plate are both above the conveyor belt, the first adjusting plate is respectively fixedly connected to the output ends of the two first tension spring telescopic rods, the first tension spring telescopic rod is fixedly arranged at the upper end inside the upper cover, the second adjusting plate is respectively fixedly connected to the output ends of the two second tension spring telescopic rods, the second tension spring telescopic rod is fixedly arranged in the mounting hole inside the upper cover, an extrusion plate is provided above the first adjusting plate, the two extrusion plates are respectively fixedly arranged on the output ends of the two second hydraulic rods, the second hydraulic rod is fixedly arranged in the mounting hole at the upper end inside the upper cover, a sliding column is fixedly arranged at one end of the extrusion plate, guide frames are slidably arranged at both ends of the sliding column, and the guide frames on the same side are fixedly arranged on one side of the second adjusting plate.

[0015] In an optional scheme: a plurality of first correction rollers are provided above one end of the transmission belt, and the rotating shafts at both ends of the first correction roller are respectively rotatably arranged in the rotating hole on one side of the second retaining plate, and the second retaining plate is fixedly arranged on one side of the bottom box, and a synchronous gear is fixedly arranged on the rotating shaft at one end of the first correction roller, and the plurality of synchronous gears are connected through a synchronous toothed belt transmission, and a first driven wheel is fixedly arranged on the rotating shaft at the other end of the first correction roller, and the first driven wheel is connected to the first driving wheel through a first belt, and the first driving wheel is fixedly arranged at one end of the transmission shaft, and the transmission shaft is rotatably arranged at the upper end of the second rotating plate, and a third gear is fixedly arranged at one end of the transmission shaft, and a fourth gear is meshed with the third gear, and the fourth gear is fixedly arranged on the rotating shaft at one end of the second driving roller, and a plurality of second correction rollers are provided on the inner side of the transmission belt, and the plurality of second correction rollers are all in close contact with the inner upper end of the transmission belt, and the plurality of second correction rollers are respectively aligned with the plurality of first correction rollers.

[0016] In an optional scheme: a first cleaning belt is symmetrically arranged at the feeding end of the bottom box, the bottom end of the first cleaning belt is tightly attached to the upper end of the steel belt, a second cleaning belt is matched below the first cleaning belt, the upper end of the second cleaning belt is tightly attached to the bottom end of the steel belt, a fourth driving roller and a fourth transmission roller are matched at both ends of the first cleaning belt, a fifth driving roller and a fifth transmission roller are matched at both ends of the second cleaning belt, a second fixed shaft is fixedly arranged between the coaxial fourth driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller, and the rotating shafts of the fourth driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller are respectively rotatably arranged in the rotating holes on one side of the third retaining plate, and the third retaining plate is fixedly arranged on the supporting frame, and the supporting frame is fixedly arranged at one end of the bottom box, a fifth gear is fixedly arranged on the rotating shaft at one end of the fourth driving roller, and a sixth gear is meshed on the fifth gear, and the first Six gears are fixed on the output end of the third motor, the third motor is fixed on one side of the third retaining plate, a second driving wheel is fixed on the output end of the third motor, the second driving wheel is connected to the second driven wheel through a second belt, the second driven wheel is fixed on a rotating shaft on one side of a fifth driving roller, a cleaning box is sleeved on the upper end of the first cleaning belt and the bottom end of the second cleaning belt, the cleaning boxes are fixed on the third retaining plate, a flushing pipe is fixed inside the cleaning box, the input end of the flushing pipe is connected to the input end of the external liquid supply component, the cleaning boxes on the same side are connected through connecting pipes, squeezing rollers are symmetrically arranged inside the cleaning box, the cleaning boxes on the second cleaning belt are connected to the drain pipe, a drying pipe is fixed at one end of the third retaining plate and the end positions of the first cleaning belt and the second cleaning belt, and the input end of the drying pipe is connected to the input end of the external hot air supply component.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention arranges a plurality of conveying components on the installation belt, so that a sliding box is slidably arranged inside a symmetrically arranged limit box, and a clamping tube and a first clamping plate are symmetrically arranged inside the sliding box, so that when the clamping tube and the first clamping plate are rotated to the upper end of the installation belt, the steel belt is automatically clamped and fixed under the action of the first guide plate and the second guide plate, which is convenient for the installation belt to pull the steel belt to move, and the steel belt is in a taut state during the process of pulling the steel belt to move, so that the steel belt between the two conveying components will not bend, thereby ensuring the accuracy of the length during transportation.

[0019] 2. The present invention arranges the first cleaning belt and the second cleaning belt on one side of the bottom box, so as to facilitate the cleaning of the steel belt to be clamped, thereby ensuring that the first clamping plate and the second clamping plate stably clamp the steel belt and reduce the error caused by sliding. At the same time, a plurality of first correction rollers are arranged above the conveyor belt to facilitate the flattening of the steel belt after shearing. The present invention can stably and accurately transport the steel belt, and can unload the material while shearing. After unloading, the strip steel can be flattened, thereby increasing the practicality of the steel belt feeding and stripping shearing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 This is a schematic diagram of the structure of the first retaining plate of the present invention.

[0022] Figure 3 This is a schematic diagram of the installation of the support belt of the present invention.

[0023] Figure 4 It is a schematic diagram of the installation of the worm wheel and the worm of the present invention.

[0024] Figure 5 It is a schematic diagram of the structure of the first guide plate and the second guide plate of the present invention.

[0025] Figure 6 It is a schematic diagram of the limit box structure of the present invention.

[0026] Figure 7 It is a schematic diagram of the internal structure of the sliding box of the present invention.

[0027] Figure 8 It is a schematic diagram of the guide frame structure of the present invention.

[0028] Fig. 9 This is a schematic diagram of the transmission connection of the first correction roller of the present invention.

[0029] Fig.10 This is a schematic diagram of the installation of the third motor of the present invention.

[0030] Fig.11 It is a schematic diagram of the internal structure of the cleaning box of the present invention.

[0031] Reference numerals: 11 cutting knife, 12 first hydraulic cylinder, 13 upper cover, 14 bottom box, 15 lifting rod, 16 first rack, 17 worm gear, 18 worm, 19 second rack, 20 mounting belt, 21 first motor, 22 first retaining plate, 23 mounting seat, 24 limit box, 25 sliding box, 26 first push rod, 27 first return spring, 28 first guide plate, 29 clamping tube, 30 first clamping plate, 31 second push rod, 32 second guide plate, 33 second return spring, 34 second clamping plate, 35 connecting rod , 36 first tension spring, 37 guide block, 38 limiting wheel, 39 limiting track, 40 transmission belt, 41 second motor, 42 first adjustment plate, 43 first tension spring telescopic rod, 44 second adjustment plate, 45 second tension spring telescopic rod, 46 guide frame, 47 second hydraulic rod, 48 first correction roller, 49 second correction roller, 50 synchronous toothed belt, 51 first cleaning belt, 52 second cleaning belt, 53 third motor, 54 cleaning box, 55 flushing pipe, 56 squeezing roller, 57 drying pipe, 58 support belt, 59 control box. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0033] Example 1

[0034] In one embodiment, Figure 1-Figure 11 As shown, a steel strip feeding and slitting shearing device comprises a cutting knife 11 and a mounting belt 20, wherein the cutting knife 11 is fixedly connected to the output ends of two first hydraulic cylinders 12 respectively, the first hydraulic cylinder 12 is fixedly arranged at the upper end inside the upper cover 13, the upper cover 13 is fixedly arranged at the upper end of the bottom box 14, a lifting rod 15 is arranged below the cutting knife 11, and a linkage assembly for driving the lifting rod 15 to move synchronously is arranged at the output end of the first hydraulic cylinder 12, the two mounting belts 20 are symmetrically arranged inside the bottom box 14, the cutting knife 11 is located between the two mounting belts 20, and a plurality of conveying parts for conveying steel strips are arranged at equal intervals on the mounting belt 20 The conveying component includes two symmetrically arranged conveying components, and the conveying component includes a mounting seat 23, and the mounting seat 23 is fixedly arranged on the mounting belt 20. The upper end of the mounting seat 23 is provided with a clamping mechanism for clamping the steel belt. A conveyor belt 40 is arranged inside the bottom box 14, and the conveyor belt 40 passes through the inner sides of the two mounting belts 20. The inner side of the upper cover 13 is provided with a unloading mechanism for unloading the cut steel belt. The clamping mechanism is used to clamp and fix the steel belt, so that the mounting belt 20 pulls the steel belt to move, and reduces the bending of the steel belt at the shearing position. The unloading mechanism is convenient for the cut steel belt to fall on the upper end of the conveyor belt 40;

[0035] Both ends of the installation belt 20 are equipped with a first driving roller and a first rotating roller, and a first fixed shaft is fixed between the two coaxial first driving rollers and the first rotating rollers. The rotating shafts at one end of the first driving roller and the first rotating roller are respectively rotatably arranged in the rotating holes on one side of the two first retaining plates 22. The first retaining plates 22 are fixedly arranged inside the bottom box 14, and the rotating shaft at one end of one of the first driving rollers is fixedly connected to the output end of the first motor 21. The first motor 21 is fixedly arranged on one side of the bottom box 14. The two ends of the transmission belt 40 are respectively equipped with a second driving roller and a second transmission roller, and the first rotating plates are rotatably arranged on the rotating shafts at both ends of the second driving roller and the second transmission roller. The first rotating plates are fixedly arranged on the bottom box 14, and the rotating shaft at one end of the second driving roller is fixedly connected to the output end of the second motor 41. The second motor 41 is fixedly arranged on one side of the first rotating plate. The first motor 21 and the second motor 41 are both electrically connected to the control box 59. Then, the control box 59 is fixedly arranged on one side of the bottom box 14, and a support belt 58 is provided on one side of the cutting knife 11. The two ends of the support belt 58 are respectively provided with a third driving roller and a third transmission roller. The rotating shafts at both ends of the third driving roller and the third transmission roller are respectively rotatably arranged in the mounting holes inside the mounting box. The mounting box is fixedly arranged at the bottom end inside the bottom box 14. When in use, when it is necessary to cut the steel strip, the first motor 21 and the second motor 41 are started, and the first motor 21 drives the two mounting belts 20 to rotate through the first driving roller and the first transmission roller. The mounting belt 20 drives several conveying components to rotate, and the conveying components clamp and fix the steel strip, thereby driving the steel strip to move. When the steel strip moves below the cutting knife 11, the first hydraulic cylinder 12 drives the cutting knife 11 to move, so that the steel strip is cut. After the cut steel strip moves to the top of the conveyor belt 40, the unloading mechanism causes the steel strip to fall on the upper end of the conveyor belt 40, thereby conveying the steel strip to the outside of the bottom box 14.

[0036] The linkage assembly includes a first rack 16, a mounting frame is fixed on the output end of the first hydraulic cylinder 12, two of the first racks 16 are respectively fixed on one end of the two mounting frames, a first gear is meshed on the first rack 16, the first gear is fixed on the rotating shaft at one end of the worm 18, and second rotating plates are rotatably provided at both ends of the worm 18, and the second rotating plate is fixed in the mounting groove at the bottom end of the first retaining plate 22, a worm wheel 17 is meshed on the worm 18, and the worm wheel 17 is fixed at one end of the mounting shaft, and the other end of the mounting shaft extends to the outside of the first retaining plate 22, a support tube is rotatably provided on the mounting shaft, and the support tube is fixed on one side of the first retaining plate 22, a second gear is fixed at one end of the mounting shaft, and a second rack 19 is meshed on the second gear, and two of the second racks 19 are respectively fixed at both ends of the lifting rod 15, and a limiting through hole is provided at one end of the second rack 19, and a sliding device There is a limit slide bar, which is fixed at the bottom end of the bottom box 14. The bottom ends of the lifting rod 15 are respectively fixedly connected to the output ends of the two telescopic rods. The telescopic rods are fixed at the bottom ends of the bottom box 14. When in use, when the mounting belt 20 drives several conveying components to move, so that the cutting knife 11 is located between the two conveying components, the mounting belt 20 stops rotating, and then the output end of the first hydraulic cylinder 12 drives the cutting knife 11 to move. At the same time, the first hydraulic cylinder 12 drives the first rack 16 to move through the mounting frame, and the first rack 16 cooperates with the first gear to rotate the worm 18, and the worm 18 is meshed with the worm wheel 17 to drive the second gear to rotate, and the second gear is meshed with the second rack 19 to make the lifting rod 15 move along the axis direction of the telescopic rod, and the cutting knife 11 moves in the opposite direction to the lifting rod 15, thereby shearing the steel strip. It is worth noting that the cutting knife 11 in the present application can be replaced with other shearing methods, such as laser cutting, etc., which can be selected according to actual use.

[0037] The clamping mechanism includes a clamping tube 29 and a first clamping plate 30, the two clamping tubes 29 are fixedly arranged on one side of the sliding box 25, the two first clamping plates 30 are respectively arranged above the two clamping tubes 29, the two first clamping plates 30 are fixedly connected by a connecting plate, the first clamping plates 30 are slidably arranged inside the sliding box 25, the sliding box 25 is slidably arranged inside the limit box 24, the limit box 24 is fixedly arranged on the upper end of the mounting seat 23, a first push rod 26 is fixedly arranged on one side of the sliding box 25, a first return spring 27 is fixedly arranged between one end of the first push rod 26 and one side of the limit box 24, a second push rod 31 is fixedly arranged on the upper end of the connecting plate, and the bottom end of the first clamping plate 30 A second return spring 33 is fixedly provided at the bottom end of the sliding box 25, a first guide plate 28 is symmetrically provided inside the bottom box 14, the first guide plate 28 and one end of the first push rod 26 at the upper end of the mounting belt 20 are at the same height, a second guide plate 32 is fixedly provided at the upper end of the upper cover 13, the second guide plate 32 and the second push rod 31 at the upper end of the mounting belt 20 are at the same position, one end of the first guide plate 28 and the second guide plate 32 are both inclined, a second clamping plate 34 is slidably provided inside the clamping tube 29, the clamping sides of the first clamping plate 30 and the second clamping plate 34 are both provided with an anti-slip layer, and a lifting component for driving the second clamping plate 34 to move is provided inside the clamping tube 29.

[0038] The lifting assembly includes a connecting rod 35, one end of which is hingedly connected to the bottom end of the second clamping plate 34, and the other end of the connecting rod 35 is hingedly provided with a push rod, one end of which is slidably provided with a first guide slide bar, the first guide slide bar is fixedly arranged inside the clamping tube 29, and a first tension spring 36 is fixedly arranged between one end of the push rod and one side of the inside of the clamping tube 29. One end of the push rod extends into the inside of the sliding box 25, and one end of the push rod is fixedly provided with a guide block 37, and a pressure rod is matched on the inclined surface of the guide block 37, and the pressure rod is fixedly arranged at the bottom end of the first clamping plate 30. When in use, when the mounting belt 20 drives the mounting seat 23 to rotate to the upper end of the mounting belt 20, one end of the first push rod 26 is first inclined and tightly attached to the first guide plate 28. As the mounting belt 20 rotates, the first guide plate 28 guides the first push rod 26, so that the first push rod 26 pushes the sliding box 25 to slide inside the limit box 24. When the first push rod 26 When one end is in close contact with the plane side of the first guide plate 28, the sliding box 25 no longer moves, and the clamping tube 29 and the first clamping plate 30 both extend to the outside of the limit box 24, and then the second push rod 31 is in close contact with the inclined end of the second guide plate 32, so that the second guide plate 32 guides the second push rod 31, and the second push rod 31 pushes the first clamping plate 30 to move. When one end of the second push rod 31 is in close contact with the plane side of the second guide plate 32, the first clamping plate 30 stops moving, and in the process of the movement of the first clamping plate 30, the first clamping plate 30 drives the pressure rod to move. When one end of the pressure rod is in close contact with the inclined surface of the guide block 37, the guide block 37 pushes the second clamping plate 34 to move through the push rod and the connecting rod 35, and then the first clamping plate 30 and the second clamping plate 34 clamp and fix the steel belt. Under the action of the mounting belt 20, the first clamping plate 30 and the second clamping plate 34 pull the steel belt to move, and the steel belt between adjacent conveying components is in a straight state.

[0039] One side of the limit box 24 is symmetrically provided with a fixing rod, and one end of the fixing rod is rotatably provided with a limiting wheel 38. A limiting track 39 is fixedly provided on the upper end of the first retaining plate 22, and the limiting track 39 is tightly fitted with the limiting wheel 38 on the upper end of the installation belt 20. When in use, it is convenient for the installation belt 20 to transport the limit box 24, so that the limiting wheel 38 and the limiting track 39 cooperate to support the limit box 24, thereby reducing the bending of the installation belt 20 during transportation.

[0040] The unloading mechanism includes a first adjustment plate 42 and a second adjustment plate 44, which are respectively tightly attached to the second guide plate 32 and one end of the first guide plate 28, and the first adjustment plate 42 and the second adjustment plate 44 are both above the conveyor belt 40. The first adjustment plate 42 is respectively fixedly connected to the output ends of the two first tension spring telescopic rods 43, and the first tension spring telescopic rods 43 are fixedly arranged at the upper end inside the upper cover 13. The second adjustment plate 44 is respectively fixedly connected to the output ends of the two second tension spring telescopic rods 45, and the second tension spring telescopic rods 45 are fixedly arranged in the mounting holes on the inner side of the upper cover 13. An extrusion plate is arranged above the first adjustment plate 42, and the two extrusion plates are respectively fixedly arranged on the output ends of the two second hydraulic rods 47, and the second hydraulic rods 47 are fixedly arranged in the mounting holes on the upper end of the upper cover 13. A sliding column is fixedly arranged at one end of the extrusion plate, and guide frames 46 are slidably arranged at both ends of the sliding column, and the guide frames 46 on the same side are It is fixed on one side of the second adjustment plate 44. When in use, when the installation belt 20 drives the sheared strip steel to move above the conveyor belt 40 and stops rotating, the output end of the second hydraulic rod 47 contracts, and under the action of the first tension spring telescopic rod 43, the first adjustment plate 42 rises, and under the action of the second return spring 33, the first clamping plate 30 returns to the initial position, and at the same time, under the action of the first tension spring 36, the second clamping plate 34 moves to the inside of the clamping tube 29. At this time, under the cooperation of the guide frame 46 and the sliding column, the second adjustment plate 44 does not move. When the first clamping plate 30 no longer moves, under the action of the second tension spring telescopic rod 45, the second adjustment plate 44 moves, so that the sliding box 25 slides to the inside of the limit box 24, so that the clamping tube 29 and the first clamping plate 30 are completely separated from the strip steel, so that the strip steel falls on the upper end of the conveyor belt 40, and then the second motor 41 is started to drive the conveyor belt 40 to rotate, thereby conveying the strip steel.

[0041] Example 2

[0042] The difference from Example 1 is that: a plurality of first correction rollers 48 are provided above one end of the transmission belt 40, and the rotating shafts at both ends of the first correction roller 48 are respectively rotatably arranged in the rotating holes on one side of the second retaining plate, and the second retaining plate is fixedly arranged on one side of the bottom box 14, and a synchronous gear is fixedly arranged on the rotating shaft at one end of the first correction roller 48, and a plurality of the synchronous gears are connected through a synchronous toothed belt 50 for transmission, and a first driven wheel is fixedly arranged on the rotating shaft at the other end of one of the first correction rollers 48, and the first driven wheel is connected to the first driving wheel through a first belt, and the first driving wheel is fixedly arranged at one end of the transmission shaft, and the transmission shaft is rotatably arranged at the upper end of the second rotating plate, and a third gear is fixedly arranged at one end of the transmission shaft The third gear is meshed with a fourth gear, and the fourth gear is fixed on the rotating shaft at one end of the second driving roller. A plurality of second correction rollers 49 are provided on the inner side of the transmission belt 40, and the plurality of second correction rollers 49 are tightly attached to the inner upper end of the transmission belt 40. The plurality of second correction rollers 49 are respectively aligned with the plurality of first correction rollers 48. When in use, when the transmission belt 40 rotates to transport the strip steel, the second driving roller drives a first correction roller 48 to rotate, and the first correction roller 48 makes the remaining first correction rollers 48 rotate simultaneously through the synchronous toothed belt 50. When the strip steel moves to the bottom of the first correction roller 48, the first correction roller 48 cooperates with the second correction roller 49 to flatten the strip steel.

[0043] Example 3

[0044] The difference from Example 1 is that: the first cleaning belt 51 is symmetrically arranged at the feeding end of the bottom box 14, the bottom end of the first cleaning belt 51 is in close contact with the upper end of the steel belt, a second cleaning belt 52 is arranged below the first cleaning belt 51, the upper end of the second cleaning belt 52 is in close contact with the bottom end of the steel belt, the first cleaning belt 51 is respectively provided with a fourth driving roller and a fourth transmission roller at both ends, the second cleaning belt 52 is respectively provided with a fifth driving roller and a fifth transmission roller at both ends, a second fixed shaft is fixedly arranged between the coaxial fourth driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller, the fourth driving roller and the fifth transmission roller, the fourth driving roller and the fifth driving roller are respectively provided with a fourth driving roller and a fourth transmission roller. The rotating shafts of the driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller are respectively rotatably arranged in the rotating hole on the side of the third holding plate, and the third holding plate is fixedly arranged on the support frame, and the support frame is fixedly arranged on one end of the bottom box 14. A fifth gear is fixedly arranged on the rotating shaft at one end of the fourth driving roller, and a sixth gear is meshed on the fifth gear. The sixth gear is fixedly arranged on the output end of the third motor 53, and the third motor 53 is fixedly arranged on one side of the third holding plate. A second driving wheel is fixedly arranged on the output end of the third motor 53, and the second driving wheel is connected to the second slave wheel through a second belt. The first cleaning belt 51 is connected to the driving wheel for transmission, the second driven wheel is fixedly arranged on the rotating shaft on one side of the fifth driving roller, the upper end of the first cleaning belt 51 and the lower end of the second cleaning belt 52 are sleeved with a cleaning box 54, the cleaning box 54 is fixedly arranged on the third holding plate, the inside of the cleaning box 54 is fixedly provided with a flushing pipe 55, the input end of the flushing pipe 55 is connected with the input end of the external liquid supply component, the cleaning boxes 54 on the same side are connected through a connecting pipe, the inside of the cleaning box 54 is symmetrically provided with squeezing rollers 56, the cleaning boxes 54 on the second cleaning belt 52 are connected with the drain pipe, one end of the third holding plate is connected to the Drying tubes 57 are fixedly provided at the end positions of the first cleaning belt 51 and the second cleaning belt 52. The input end of the drying tube 57 is connected to the input end of the external hot air supply component. When in use, before the steel belt enters the bottom box 14, the third motor 53 is started to rotate the first cleaning belt 51 and the second cleaning belt 52, so that the clamped part of the steel belt is wiped and cleaned, and then the flushing tube 55 sprays cleaning liquid to clean the first cleaning belt 51 and the second cleaning belt 52. Then, when the cleaned steel belt moves to the position of the drying tube 57, the drying tube 57 sprays hot air to dry the cleaned part.

[0045] The above embodiment discloses a steel strip feeding and slitting shearing device, wherein, before the steel strip enters the bottom box 14, the third motor 53 is started to rotate the first cleaning belt 51 and the second cleaning belt 52 to wipe and clean the steel strip to be clamped, and then the flushing pipe 55 sprays the cleaning liquid to clean the first cleaning belt 51 and the second cleaning belt 52. When the cleaned steel strip moves to the position of the drying pipe 57, the drying pipe 57 sprays hot air to dry the cleaned part. When the mounting belt 20 drives the mounting seat 23 to rotate to the upper end of the mounting belt 20, one end of the first push rod 26 is firstly inclined and tightly attached to the first guide plate 28. As the mounting belt 20 rotates, the first guide plate 28 guides the first push rod 26, so that the first push rod 26 pushes the sliding box 25 to slide inside the limit box 24. When one end of the first push rod 26 is tightly attached to the plane side of the first guide plate 28, the sliding The box 25 no longer moves, and the clamping tube 29 and the first clamping plate 30 are extended to the outside of the limit box 24, and then the second push rod 31 is in close contact with the inclined end of the second guide plate 32, so that the second guide plate 32 guides the second push rod 31, and the second push rod 31 pushes the first clamping plate 30 to move. When one end of the second push rod 31 is in close contact with the plane side of the second guide plate 32, the first clamping plate 30 stops moving, and in the process of the first clamping plate 30 moving, the first clamping plate 30 drives the pressure rod to move. When one end of the pressure rod is in close contact with the inclined surface of the guide block 37, the guide block 37 pushes the second clamping plate 34 to move through the push rod and the connecting rod 35, and then the first clamping plate 30 and the second clamping plate 34 clamp and fix the steel belt. Under the action of the mounting belt 20, the first clamping plate 30 and the second clamping plate 34 pull the steel belt to move, and the steel belt between adjacent conveying components is in a straight state;

[0046] After the cutting knife 11 is located between the two conveying components, the mounting belt 20 stops rotating, and then the output end of the first hydraulic cylinder 12 drives the cutting knife 11 to move. At the same time, the first hydraulic cylinder 12 drives the first rack 16 to move through the mounting frame. The first rack 16 cooperates with the first gear to rotate the worm 18, and the worm 18 meshes with the worm wheel 17 to drive the second gear to rotate. The second gear meshes with the second rack 19 to move the lifting rod 15 along the axis of the telescopic rod, and the cutting knife 11 moves in opposite directions to the lifting rod 15, thereby shearing the steel strip. When the mounting belt 20 drives the sheared strip to move above the conveyor belt 40 and stops rotating, the output end of the second hydraulic rod 47 contracts, and under the action of the first tension spring telescopic rod 43, The first adjusting plate 42 is moved up, and the first clamping plate 30 is returned to its initial position under the action of the second return spring 33. At the same time, the second clamping plate 34 is moved to the inside of the clamping tube 29 under the action of the first tension spring 36. At this time, with the cooperation of the guide frame 46 and the sliding column, the second adjusting plate 44 does not move. When the first clamping plate 30 no longer moves, the second adjusting plate 44 is moved under the action of the second tension spring telescopic rod 45, so that the sliding box 25 slides to the inside of the limit box 24, so that the clamping tube 29 and the first clamping plate 30 are completely separated from the strip, so that the strip falls on the upper end of the conveyor belt 40, and then the second motor 41 is started to drive the conveyor belt 40 to rotate, thereby conveying the strip.

[0047] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A steel strip feeding strip shearing device, comprising a cutting knife (11) and a mounting belt (20), wherein the cutting knife (11) is fixedly connected to the output ends of two first hydraulic cylinders (12), respectively, wherein the first hydraulic cylinder (12) is fixedly arranged at the upper end of the interior of an upper cover (13), wherein the upper cover (13) is fixedly arranged at the upper end of a bottom box (14), wherein a lifting rod (15) is arranged below the cutting knife (11), wherein the output end of the first hydraulic cylinder (12) is provided with a linkage assembly for driving the lifting rod (15) to move synchronously, wherein: The two mounting belts (20) are symmetrically arranged inside the bottom box (14), the cutting knife (11) is located between the two mounting belts (20), a plurality of conveying components for conveying the steel belt are evenly spaced on the mounting belt (20), the conveying components include two symmetrically arranged conveying components, the conveying components include a mounting seat (23), the mounting seat (23) is fixedly arranged on the mounting belt (20), a clamping mechanism for clamping the steel belt is provided at the upper end of the mounting seat (23), a conveying belt (40) is provided inside the bottom box (14), the conveying belt (40) passes through the inner sides of the two mounting belts (20), and a feeding mechanism is provided on the inner side of the upper cover (13) for feeding the cut steel belt.

2. A steel strip feeding and strip shearing device according to claim 1, characterized in that: The two ends of the installation belt (20) are matched with a first driving roller and a first rotating roller, and a first fixed shaft is fixed between the two coaxial first driving rollers and the first rotating rollers. The rotating shafts at one end of the first driving roller and the first rotating roller are respectively rotatably arranged in the rotating holes on one side of two first retaining plates (22). The first retaining plates (22) are fixedly arranged inside the bottom box (14). The rotating shaft at one end of one of the first driving rollers is fixedly connected to the output end of the first motor (21). The first motor (21) is fixedly arranged on one side of the bottom box (14). The two ends of the transmission belt (40) are respectively matched with a second driving roller and a second transmission roller. The rotating shafts at both ends of the second driving roller and the second transmission roller are rotatably arranged with a first rotating shaft. The first rotating plate is fixedly arranged on the bottom box (14), the rotating shaft at one end of the second driving roller is fixedly connected to the output end of the second motor (41), the second motor (41) is fixedly arranged on one side of the first rotating plate, the first motor (21) and the second motor (41) are both electrically connected to a control box (59), the control box (59) is fixedly arranged on one side of the bottom box (14), a supporting belt (58) is provided on one side of the cutting knife (11), a third driving roller and a third transmission roller are respectively provided at both ends of the supporting belt (58), the rotating shafts at both ends of the third driving roller and the third transmission roller are respectively rotatably arranged in the mounting holes inside the mounting box, and the mounting box is fixedly arranged at the bottom end inside the bottom box (14).

3. A steel strip feeding and strip shearing device according to claim 1, characterized in that: The linkage assembly comprises a first rack (16), a mounting frame is fixedly provided on the output end of the first hydraulic cylinder (12), two first racks (16) are respectively fixedly provided at one end of two mounting frames, a first gear is meshed on the first rack (16), the first gear is fixedly provided on a rotating shaft at one end of a worm (18), a second rotating plate is rotatably provided at both ends of the worm (18), the second rotating plate is fixedly provided in a mounting groove at the bottom end of a first retaining plate (22), a worm wheel (17) is meshed on the worm (18), the worm wheel (17) is fixedly provided at one end of the mounting shaft, and the other end of the mounting shaft extends to the first retaining plate (22). The plate (22) is outside, and a support tube is rotatably provided on the installation shaft, and the support tube is fixedly provided on one side of the first retaining plate (22). A second gear is fixedly provided at one end of the installation shaft, and a second rack (19) is meshed on the second gear. Two second racks (19) are respectively fixed at two ends of the lifting rod (15), and a limiting through hole is provided at one end of the second rack (19). A limiting slide bar is slidably provided in the limiting through hole, and the limiting slide bar is fixedly provided at the bottom end of the bottom box (14). The bottom ends of the lifting rod (15) are respectively fixedly connected to the output ends of two telescopic rods, and the telescopic rods are fixedly provided at the bottom end of the bottom box (14).

4. A steel strip feeding and strip shearing device according to claim 2, characterized in that: The clamping mechanism comprises a clamping tube (29) and a first clamping plate (30), the two clamping tubes (29) are fixedly arranged on one side of the sliding box (25), the two first clamping plates (30) are respectively arranged above the two clamping tubes (29), the two first clamping plates (30) are fixedly connected by a connecting plate, the first clamping plates (30) are slidably arranged inside the sliding box (25), the sliding box (25) is slidably arranged inside the limit box (24), the limit box (24) is fixedly arranged on the upper end of the mounting seat (23), a first push rod (26) is fixedly arranged on one side of the sliding box (25), a first return spring (27) is fixedly arranged between one end of the first push rod (26) and one side of the limit box (24), a second push rod (31) is fixedly arranged on the upper end of the connecting plate, and the bottom end of the first clamping plate (30) is fixedly arranged on the upper end of the connecting plate. A second return spring (33) is fixedly provided at the bottom end of the sliding box (25); a first guide plate (28) is symmetrically provided inside the bottom box (14); the first guide plate (28) and one end of the first push rod (26) at the upper end of the mounting belt (20) are at the same height; a second guide plate (32) is fixedly provided at the upper end of the upper cover (13); the second guide plate (32) and the second push rod (31) at the upper end of the mounting belt (20) are at the same position; one end of the first guide plate (28) and the second guide plate (32) are both inclined; a second clamping plate (34) is slidably provided inside the clamping tube (29); the clamping sides of the first clamping plate (30) and the second clamping plate (34) are both provided with an anti-slip layer; a lifting component for driving the second clamping plate (34) to move is provided inside the clamping tube (29).

5. A steel strip feeding and strip shearing device according to claim 4, characterized in that: The lifting assembly includes a connecting rod (35), one end of which is hingedly connected to the bottom end of the second clamping plate (34), and the other end of the connecting rod (35) is hingedly provided with a push rod, one end of the push rod is slidably provided with a first guide slide rod, and the first guide slide rod is fixedly arranged inside the clamping tube (29), and a first tension spring (36) is fixedly arranged between one end of the push rod and one side inside the clamping tube (29), one end of the push rod extends to the inside of the sliding box (25), and one end of the push rod is fixedly provided with a guide block (37), and a pressure rod is matched on the inclined surface of the guide block (37), and the pressure rod is fixedly arranged at the bottom end of the first clamping plate (30).

6. A steel strip feeding and strip shearing device according to claim 5, characterized in that: A fixing rod is symmetrically provided on one side of the limit box (24), and a limiting wheel (38) is rotatably provided on one end of the fixing rod. A limiting track (39) is fixedly provided on the upper end of the first retaining plate (22), and the limiting track (39) is tightly fitted with the limiting wheel (38) on the upper end of the mounting belt (20).

7. The steel strip feeding and strip shearing device according to claim 4, characterized in that: The unloading mechanism comprises a first adjusting plate (42) and a second adjusting plate (44), the first adjusting plate (42) and the second adjusting plate (44) are respectively in close contact with the second guide plate (32) and one end of the first guide plate (28), the first adjusting plate (42) and the second adjusting plate (44) are both located above the conveyor belt (40), the first adjusting plate (42) is respectively fixedly connected to the output ends of two first tension spring telescopic rods (43), the first tension spring telescopic rods (43) are fixedly arranged at the upper end of the upper cover (13), the second adjusting plate (44) is respectively connected to the output ends of the two first tension spring telescopic rods (43), The output ends of the two tension spring telescopic rods (45) are fixedly connected, and the second tension spring telescopic rod (45) is fixedly arranged in the mounting hole inside the upper cover (13). An extrusion plate is arranged above the first adjustment plate (42), and the two extrusion plates are respectively fixedly arranged on the output ends of the two second hydraulic rods (47). The second hydraulic rod (47) is fixedly arranged in the mounting hole at the upper end inside the upper cover (13). A sliding column is fixedly arranged at one end of the extrusion plate, and guide frames (46) are slidably arranged at both ends of the sliding column. The guide frames (46) on the same side are fixedly arranged on one side of the second adjustment plate (44).

8. The steel strip feeding and strip shearing device according to claim 7, characterized in that: A plurality of first correction rollers (48) are provided above one end of the transmission belt (40); the rotating shafts at both ends of the first correction roller (48) are respectively rotatably arranged in the rotating holes on one side of the second retaining plate; the second retaining plate is fixedly arranged on one side of the bottom box (14); a synchronous gear is fixedly arranged on the rotating shaft at one end of the first correction roller (48); the plurality of synchronous gears are connected through a synchronous toothed belt (50); a first driven wheel is fixedly arranged on the rotating shaft at the other end of one of the first correction rollers (48); the first driven wheel is connected to the first driving wheel through a first belt Transmission connection, the first driving wheel is fixedly arranged at one end of the transmission shaft, the transmission shaft is rotatably arranged at the upper end of the second rotating plate, a third gear is fixedly arranged at one end of the transmission shaft, a fourth gear is meshed with the third gear, the fourth gear is fixedly arranged on the rotating shaft at one end of the second driving roller, a plurality of second correction rollers (49) are arranged on the inner side of the transmission belt (40), the plurality of second correction rollers (49) are tightly attached to the inner upper end of the transmission belt (40), and the plurality of second correction rollers (49) are respectively aligned with the plurality of first correction rollers (48).

9. The steel strip feeding and strip shearing device according to claim 1, characterized in that: A first cleaning belt (51) is symmetrically arranged at the feeding end of the bottom box (14), the bottom end of the first cleaning belt (51) is in close contact with the upper end of the steel belt, a second cleaning belt (52) is arranged below the first cleaning belt (51), the upper end of the second cleaning belt (52) is in close contact with the bottom end of the steel belt, a fourth driving roller and a fourth transmission roller are respectively arranged at both ends of the first cleaning belt (51), a fifth driving roller and a fifth transmission roller are respectively arranged at both ends of the second cleaning belt (52), a second fixed shaft is fixedly arranged between the coaxial fourth driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller, the rotating shafts of the fourth driving roller, the fourth transmission roller, the fifth driving roller and the fifth transmission roller are respectively rotatably arranged in the rotating hole of the third retaining plate, the third retaining plate is fixedly arranged on the support frame, the support frame is fixedly arranged at one end of the bottom box (14), a fifth gear is fixedly arranged on the rotating shaft at one end of the fourth driving roller, a sixth gear is meshed with the fifth gear, and the sixth gear is fixedly arranged on the output end of the third motor (53), the first The third motor (53) is fixedly arranged on one side of the third holding plate, a second driving wheel is fixedly arranged on the output end of the third motor (53), the second driving wheel is connected to the second driven wheel through a second belt, the second driven wheel is fixedly arranged on a rotating shaft on one side of a fifth driving roller, a cleaning box (54) is sleeved on the upper end of the first cleaning belt (51) and the lower end of the second cleaning belt (52), the cleaning box (54) is fixedly arranged on the third holding plate, and a flushing pipe ( 55), the input ends of the flushing pipes (55) are connected to the input ends of the external liquid supply components, the cleaning boxes (54) on the same side are connected through connecting pipes, the interiors of the cleaning boxes (54) are symmetrically provided with squeezing rollers (56), the cleaning boxes (54) on the second cleaning belt (52) are connected to the liquid discharge pipe, and drying pipes (57) are fixedly provided at one end of the third retaining plate and at the end positions of the first cleaning belt (51) and the second cleaning belt (52), and the input end of the drying pipe (57) is connected to the input end of the external hot air supply component.

10. A method for using the steel strip feeding and strip shearing device according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: Before the steel strip enters the bottom box (14), the first cleaning belt (51) and the second cleaning belt (52) wipe and clean the part of the steel strip to be clamped, the flushing pipe (55) sprays cleaning liquid to clean the first cleaning belt (51) and the second cleaning belt (52), and the drying pipe (57) sprays hot air to dry the cleaned part; Step 2, when the mounting belt (20) drives the mounting seat (23) to rotate to the upper end of the mounting belt (20), the first guide plate (28) guides the first push rod (26), the second guide plate (32) guides the second push rod (31), and the first clamping plate (30) and the second clamping plate (34) clamp and fix the steel belt; Step 3: After the cutting knife (11) is located between the two conveying components, the mounting belt (20) stops rotating, and then the output end of the first hydraulic cylinder (12) drives the cutting knife (11) to move. At the same time, the first hydraulic cylinder (12) drives the first rack (16) to move through the mounting frame. The first rack (16) cooperates with the first gear to rotate the worm (18). The worm (18) meshes with the worm wheel (17) to drive the second gear to rotate. The second gear meshes with the second rack (19) to move the lifting rod (15) along the axis of the telescopic rod. The cutting knife (11) moves in opposite directions to the lifting rod (15), thereby shearing the steel strip. Step 4: When the steel strip moves to the top of the conveyor belt (40) and stops rotating, the output end of the second hydraulic rod (47) contracts, and the clamping tube (29) and the first clamping plate (30) completely separate from the steel strip, causing the steel strip to fall onto the upper end of the conveyor belt (40). Subsequently, the second motor (41) is started to transport the steel strip.

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