阅读说明：本技术 一种钢带用裁剪装置 (Cutting device for steel belt ) 是由 李建明 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种钢带用裁剪装置,包括底座和对称固定于底座上的滑轨,滑轨上滑动设置有装置本体,装置本体上固定有固定板一和固定板二,固定板一上开设有滑槽一,滑槽一内滑动设置有滑杆一,固定板二上开设有滑槽二,滑槽二内滑动设置有滑杆二,固定板一和固定板二之间设置有转杆一,转杆一的两侧分别与滑杆一和滑杆二固定,滑杆一和滑杆二处于转杆一两侧不同位置,转杆一的一端上固定有刀罩,刀罩内设置有切割刀,刀罩外壁上固定有电机一,电机一的输出轴贯穿刀罩外壁且电机一的输出轴与切割刀可拆卸连接,刀罩远离电机一的一侧设置有转门,设置一种能大幅度调节切割刀位置的装置,使得能根据需求调节切割刀位置和便于更换刀片。(The invention discloses a cutting device for a steel belt, which comprises a base and slide rails symmetrically fixed on the base, wherein a device body is arranged on each slide rail in a sliding manner, a first fixing plate and a second fixing plate are fixed on the device body, a first slide groove is formed in the first fixing plate, a first slide rod is arranged in the first slide groove in a sliding manner, a second slide groove is formed in the second fixing plate, a second slide rod is arranged in the second slide groove in a sliding manner, a first rotating rod is arranged between the first fixing plate and the second fixing plate, two sides of the first rotating rod are respectively fixed with the first slide rod and the second slide rod, the first slide rod and the second slide rod are positioned at different positions on two sides of the first rotating rod, a cutter cover is fixed on one end of the first rotating rod, a cutter is arranged in the cutter cover, a first motor is fixed on the outer wall of the cutter cover, an output shaft of the first motor penetrates through the outer wall of the cutter cover, an output shaft of the first motor is detachably connected with the cutter, a rotating door is arranged on one side of the cutter cover, and a device capable of greatly adjusting the position is arranged, so that the position of the cutting knife can be adjusted according to the requirement and the blade can be conveniently replaced.)

1. A cutting device for steel belts comprises a base (1) and sliding rails (2) symmetrically fixed on the base (1), and is characterized in that a device body (3) is arranged on the sliding rails (2) in a sliding mode, a displacement assembly (4) for driving the device body (3) to move is arranged on the base (1), a clamping assembly (5) capable of being supported in an auxiliary mode is arranged on the device body (3), a first fixing plate (6) and a second fixing plate (7) are fixed on the device body (3), a first sliding chute (8) is formed in the first fixing plate (6), a first sliding rod (9) is arranged in the first sliding chute (8) in a sliding mode, a driving assembly (10) for driving the first sliding rod (9) to move along the first sliding chute (8) is arranged on the first fixing plate (6), a second sliding chute (11) is formed in the second fixing plate (7), and a second sliding rod (12) is arranged in the second sliding chute (11), be provided with bull stick (13) between fixed plate (6) and fixed plate two (7), the both sides of bull stick (13) are fixed with slide bar (9) and slide bar two (12) respectively, slide bar (9) and slide bar two (12) are in different positions in bull stick (13) both sides, one of bull stick (13) is served and is fixed with sword cover (14), be provided with cutting knife (15) in sword cover (14), be fixed with motor one (16) on sword cover (14) outer wall, the output shaft of motor one (16) runs through sword cover (14) outer wall just the output shaft of motor one (16) can be dismantled with cutting knife (15) and be connected, one side that motor one (16) was kept away from in sword cover (14) is provided with swing gate (17).

2. The cutting device for the steel strip according to claim 1, wherein the driving assembly (10) comprises a first driving rod (18) and a second driving rod (19), the lower end of the second driving rod (19) is hinged to the device body (3), the second driving rod (19) is provided with a first sliding groove (20) and a second sliding groove (21), the first sliding groove (20) and the second sliding groove (21) are respectively provided with a first sliding block (22) and a second sliding block (23) in a sliding manner, the device body (3) is fixed with a supporting block (24), the supporting block (24) is fixed with a second motor (25), an output shaft of the second motor (25) is fixed with the first driving rod (18), a rotating rod (26) is arranged between the first driving rod (18) and the first sliding block (22), one end of the rotating rod (26) is fixed with the first driving rod (18), the other end and the first sliding block (22) normal running fit of dwang (26), the one end and the second sliding block (23) normal running fit of slide bar (9).

3. The cutting device for the steel strips according to claim 2, wherein the clamping assembly (5) comprises an L-shaped plate (27), a third motor (28) and an adjusting rod (29), the L-shaped plate (27) is fixed on the device body (3) through supporting legs, the third motor (28) is fixed on the L-shaped plate (27), a second rotating rod (30) is fixed on an output shaft of the third motor (28), one end, away from the third motor (28), of the second rotating rod (30) is hinged to a third rotating rod (31), a dovetail groove (32) is formed in the L-shaped plate (27), a dovetail plate (33) is arranged in the dovetail groove (32) in a sliding mode, one end, away from the second rotating rod (30), of the third rotating rod (31) is hinged to the dovetail plate (33), an L-shaped groove (34) is formed in the bottom of the dovetail groove (32), and an adjusting groove (35) is formed in the dovetail plate (33), the one end of adjusting pole (29) all slides and sets up in L shape groove (34) and adjustment tank (35), the other end of adjusting pole (29) is fixed with depression bar (50), the one end of depression bar (50) is fixed with splint one (36), be fixed with splint two (53) on L shaped plate (27), notch (52) have been seted up on L shaped plate (27).

4. The cutting device for the steel strips according to claim 3, wherein the displacement assembly (4) comprises a motor four (37), a gear (38) and a rack (39), a groove (40) is formed in the side wall of the sliding rail (2), the rack (39) is fixed in the groove (40), the motor four (37) is fixed on the lower surface of the device body (3), an output shaft of the motor four (37) is fixed with the gear (38), and the gear (38) is meshed with the rack (39).

5. The cutting device for the steel belt according to claim 4, characterized in that a supporting plate (41) is fixed on one side of the device body (3), an opening (42) is formed in the supporting plate (41), an L-shaped supporting plate (43) is fixed on the other side of the device body (3), supporting blocks (44) are symmetrically fixed on the L-shaped supporting plate (43), a conveying roller (45) is rotatably arranged between the supporting blocks (44), a motor five (51) is fixed on the L-shaped supporting plate (43), and an output shaft of the motor five (51) is fixed with the conveying roller (45).

6. The cutting device for the steel strip according to claim 5, wherein the second sliding groove (11) comprises a first groove (46), a second groove (47) and a third V-shaped groove (48), the first groove (46), the second groove (47) and the third V-shaped groove (48) are communicated, and the second sliding rod (12) is slidably arranged in the first groove (46), the second groove (47) and the third V-shaped groove (48).

7. A cutting device for steel strip according to claim 6, characterized in that said first fixing plate (6) and said second fixing plate (7) are arranged in parallel.

8. A device according to claim 7, characterized in that said device body (3) is fixed with a controller (49).

Technical Field

The invention relates to steel belt processing equipment, in particular to a cutting device for a steel belt.

Background

The steel belt is a conveying belt made of carbon steel and used as a traction and carrying component of the belt conveyor and can also be used for binding goods; the steel plate is a narrow and long steel plate produced by various steel rolling enterprises in order to meet the requirements of different industrial departments on industrialized production of various types of metal or mechanical products. After the steel belt is processed, the steel belt is conveyed and wound at the same time, and after the steel belt is wound to a certain length, the steel belt needs to be cut off, and a corresponding device needs to be used at this time.

The position of a cutting knife on the existing cutting device can be adjusted to a smaller extent, and the blade is inconvenient to replace.

Disclosure of Invention

The invention aims to provide a cutting device for a steel belt, which is provided with a device capable of greatly adjusting the position of a cutting knife, so that the position of the cutting knife can be adjusted according to requirements and the blade can be conveniently replaced.

The technical purpose of the invention is realized by the following technical scheme:

a cutting device for steel belts comprises a base and slide rails symmetrically fixed on the base, wherein a device body is arranged on the slide rails in a sliding manner, a displacement assembly for driving the device body to move is arranged on the base, a clamping assembly capable of being supported in an auxiliary manner is arranged on the device body, a first fixing plate and a second fixing plate are fixed on the device body, a first slide groove is formed in the first fixing plate, a first slide rod is arranged in the first slide groove in a sliding manner, a driving assembly for driving the first slide rod to move along the first slide groove is arranged on one side of the fixing plate, a second slide groove is formed in the second fixing plate, a second slide rod is arranged in the second slide groove in a sliding manner, a first rotating rod is arranged between the first fixing plate and the second fixing plate, two sides of the first rotating rod are respectively fixed with the first slide rod and the second slide rod, the first slide rod and the second slide rod are located at different positions on two sides of the first rotating rod, a knife cover is fixed on one end of the first rotating rod, the cutter cover is characterized in that a cutter is arranged in the cutter cover, a first motor is fixed on the outer wall of the cutter cover, an output shaft of the first motor penetrates through the outer wall of the cutter cover and is detachably connected with the cutter, and a rotating door is arranged on one side, away from the first motor, of the cutter cover.

By adopting the technical scheme, firstly, the device body is driven to move along the sliding rail through the displacement assembly until the device body moves to a specified position, the driving assembly is started, the driving assembly drives the first sliding rod to move along the first sliding groove, the first sliding rod moves to drive the first rotating rod to move, the first rotating rod moves to drive the second sliding rod to move along the second sliding groove, the first sliding rod and the second sliding rod are positioned at the first rotating rod and are asymmetrically arranged, when the second sliding rod moves to the middle part of the second sliding rod, the first rotating rod rotates 180 degrees for a moment, the first rotating rod rotates to drive the knife cover to move, the knife cover moves to drive the cutting knife to move, the driving assembly is closed, when the cutting knife needs to be replaced, the rotating door is opened to replace the cutting knife, then the steel belt is placed, the steel belt is clamped through the clamping assembly, then the driving assembly is continuously started, the first sliding rod is driven to move back along the first sliding groove, the first sliding rod drives the first rotating rod to move back, the rotating rod drives the second sliding rod to move back along the second sliding groove, when the second sliding rod moves to the middle of the second sliding rod, the rotating rod rotates for a while for 180 degrees, one rotating rod rotates to drive the cutter cover to move back, the cutter cover drives the cutter to move back, the cutter can continue to move towards the steel strip after rotating back, the cutter cuts the steel strip, after the cutter cuts, the driving assembly drives the cutter to rotate away, the steel strip is loosened through the clamping assembly, and finally the steel strip continues to be conveyed.

Preferably, the driving assembly comprises a first driving rod and a second driving rod, the lower end of the second driving rod is hinged to the device body, a first sliding groove and a second sliding groove are formed in the second driving rod, a first sliding block and a second sliding block are arranged in the first sliding groove and the second sliding groove in a sliding mode respectively, a supporting block is fixed on the device body, a second motor is fixed on the supporting block, an output shaft of the second motor is fixed with the first driving rod, a rotating rod is arranged between the first driving rod and the first sliding block, one end of the rotating rod is fixed with the first driving rod, the other end of the rotating rod is in rotating fit with the first sliding block, and one end of the first sliding rod is in rotating fit with the second sliding block.

Adopt above-mentioned technical scheme, starter motor two, the output shaft of motor two rotates and drives actuating lever one and rotate, and actuating lever one rotates and drives the dwang and rotate, and the dwang drives sliding block one and rotates, and sliding block one drives actuating lever two and rotates, and the sliding block removes along sliding tray one for a moment, and actuating lever two rotates and drives sliding block two and rotate, and sliding block two can remove along sliding tray two simultaneously, and sliding block two drive sliding bar one and remove along spout one.

Preferably, the clamping component comprises a L-shaped plate, a third motor and an adjusting rod, the L-shaped plate is fixed on the device body through supporting legs, the third motor is fixed on the L-shaped plate, a second rotating rod is fixed on an output shaft of the third motor, one end, away from the third motor, of the second rotating rod is hinged to a third rotating rod, a dovetail groove is formed in the L-shaped plate, a dovetail plate is arranged in the dovetail groove in a sliding mode, one end, away from the second rotating rod, of the third rotating rod is hinged to the dovetail plate, an L-shaped groove is formed in the bottom of the dovetail groove, an adjusting groove is formed in the dovetail plate, one end of the adjusting rod is arranged in the L-shaped groove and the adjusting groove in a sliding mode, a pressing rod is fixed to the other end of the adjusting rod, a first clamping plate is fixed to one end of the pressing rod, a second clamping plate is fixed to the L-shaped plate, and a notch is formed in the L-shaped plate.

By adopting the technical scheme, the third motor is started, the output shaft of the third motor rotates to drive the second rotating rod to rotate, the second rotating rod rotates to drive the third rotating rod to rotate, the third rotating rod rotates to drive the dovetail plate to move along the dovetail groove, the dovetail plate moves to drive the adjusting rod to move left and right along the L-shaped groove, when the adjusting rod moves to the turning part of the L-shaped groove, the adjusting rod can continuously move back and forth, the adjusting rod can move along the adjusting groove at the same time, the adjusting rod drives the pressing rod to move, and the pressing rod drives the first clamping plate to move until the first clamping plate clamps the steel strip on the second clamping plate.

Preferably, the displacement assembly comprises a motor IV, a gear and a rack, a groove is formed in the side wall of the sliding rail, the rack is fixed in the groove, the motor IV is fixed on the lower surface of the device body, an output shaft of the motor IV is fixed with the gear, and the gear is meshed with the rack.

By adopting the technical scheme, when the device body needs to be moved, the motor IV is started, the output shaft of the motor IV rotates to drive the gear, and the gear can move while rotating because the position of the rack is fixed, and the motor IV and the device body can also move along with the gear.

Preferably, a supporting plate is fixed on one side of the device body, an opening is formed in the supporting plate, an L-shaped supporting plate is fixed on the other side of the device body, supporting blocks are symmetrically fixed on the L-shaped supporting plate, a conveying roller is rotatably arranged between the supporting blocks, a motor V is fixed on the L-shaped supporting plate, and an output shaft of the motor V is fixed with the conveying roller.

Adopt above-mentioned technical scheme, the steel band passes the opening, and on the transfer roller was placed to the other end of steel band, the backup pad supported the steel band, and starter motor is five, and the output shaft of motor is five rotates and drives the transfer roller and rotate, and the transfer roller drives the steel band and removes.

Preferably, the sliding groove II comprises a first opening groove, a second opening groove and a third V-shaped opening groove, the first opening groove, the second opening groove and the third V-shaped opening groove are communicated, and the sliding rod II is slidably arranged in the first opening groove, the second opening groove and the third V-shaped opening groove.

By adopting the technical scheme, when the second sliding rod moves into the third V-shaped groove, the first sliding rod drives the first rotating rod to rotate under the action of the first sliding rod.

Preferably, the first fixing plate and the second fixing plate are arranged in parallel.

By adopting the technical scheme, the first rotating rod can move and rotate between the first fixing plate and the second fixing plate, and the first rotating rod cannot deflect.

Preferably, a controller is fixed to the apparatus body.

By adopting the technical scheme, the controller plays a role in controlling the first motor, the second motor, the third motor, the fourth motor and the fifth motor.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged schematic view of the area A;

FIG. 3 is an enlarged schematic view of the region B;

FIG. 4 is a schematic position diagram for showing area C;

FIG. 5 is an enlarged schematic view of the structure for showing the region C;

FIG. 6 is a schematic position diagram for showing the swing door and D zone;

FIG. 7 is an enlarged schematic view for showing the D region;

FIG. 8 is a schematic position diagram for showing the E region;

FIG. 9 is an enlarged schematic view for showing the E region;

fig. 10 is an enlarged structural view for showing an F region.

Reference numerals: 1. a base; 2. a slide rail; 3. a device body; 4. a displacement assembly; 5. a clamping assembly; 6. a first fixing plate; 7. a second fixing plate; 8. a first sliding chute; 9. a first sliding rod; 10. a drive assembly; 11. a second chute; 12. a second sliding rod; 13. a first rotating rod; 14. a knife cover; 15. a cutting knife; 16. a first motor; 17. a revolving door; 18. a first driving rod; 19. a second driving rod; 20. a first sliding groove; 21. a second sliding groove; 22. a first sliding block; 23. a second sliding block; 24. a support block; 25. a second motor; 26. rotating the rod; 27. an L-shaped plate; 28. a third motor; 29. adjusting a rod; 30. a second rotating rod; 31. a third rotating rod; 32. a dovetail groove; 33. a dovetail plate; 34. an L-shaped slot; 35. an adjustment groove; 36. a first clamping plate; 37. a fourth motor; 38. a gear; 39. a rack; 40. a groove; 41. a support plate; 42. an opening; 43. an L-shaped support plate; 44. supporting a block; 45. a conveying roller; 46. grooving I; 47. grooving II; 48. v-shaped grooving III; 49. a controller; 50. a pressure lever; 51. a fifth motor; 52. a recess; 53. and a second clamping plate.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

Referring to fig. 1 to 10, a cutting device for a steel strip comprises a base 1 and slide rails 2 symmetrically fixed on the base 1, a device body 3 is slidably arranged on the slide rails 2, a displacement assembly 4 for driving the device body 3 to move is arranged on the base 1, the displacement assembly 4 comprises a motor four 37, a gear 38 and a rack 39, a groove 40 is formed in the side wall of the slide rail 2, the rack 39 is fixed in the groove 40, the motor four 37 is fixed on the lower surface of the device body 3, an output shaft of the motor four 37 is fixed with the gear 38, the gear 38 is meshed with the rack 39, a controller 49 is fixed on the device body 3, when the device body 3 needs to be moved, the controller 49 is pressed to start the motor four 37, the output shaft of the motor four 37 rotates to drive the gear 38, and the rack 39 is fixed in position, so the gear 38 can move while rotating, and the motor four 37 and the device body 3 can also move along the slide rails 2, until the apparatus body 3 is moved to a specified position.

As shown in fig. 5 and 7, a first fixing plate 6 and a second fixing plate 7 are fixed on the device body 3, the first fixing plate 6 and the second fixing plate 7 are arranged in parallel, a first sliding groove 8 is formed in the first fixing plate 6, a first sliding rod 9 is slidably arranged in the first sliding groove 8, a driving component 10 for driving the first sliding rod 9 to move along the first sliding groove 8 is arranged on the first fixing plate 6 side, the driving component 10 comprises a first driving rod 18 and a second driving rod 19, the lower end of the second driving rod 19 is hinged to the device body 3, a first sliding groove 20 and a second sliding groove 21 are formed in the second driving rod 19, a first sliding block 22 and a second sliding block 23 are respectively slidably arranged in the first sliding groove 20 and the second sliding groove 21, a supporting block 24 is fixed on the device body 3, a second motor 25 is fixed on the supporting block 24, an output shaft of the second motor 25 is fixed with the first driving rod 18, a controller 49 is pressed to start the second motor 25, the output shaft of the second motor 25 rotates to drive the first driving rod 18 to rotate, be provided with dwang 26 between actuating lever 18 and the sliding block 22, the one end and the actuating lever 18 of dwang 26 are fixed, the other end and the sliding block 22 normal running fit of dwang 26, the one end and the two 23 normal running fits of sliding block of slide bar 9, actuating lever 18 rotates and drives dwang 26 and rotate, dwang 26 drives sliding block 22 and rotates, sliding block 22 drives actuating lever two 19 and rotates, sliding block one 22 can remove along sliding tray one 20 simultaneously, two 19 rotations of actuating lever drive sliding block two 23 and rotate, two 23 of sliding blocks can remove along sliding tray two 21 simultaneously, two 23 of sliding blocks drive sliding bar 9 and remove along sliding tray one 8.

Referring to fig. 6 and 7, a second sliding groove 11 is formed in a second fixing plate 7, a second sliding rod 12 is slidably disposed in the second sliding groove 11, a first rotating rod 13 is disposed between the first fixing plate 6 and the second fixing plate 7, two sides of the first rotating rod 13 are respectively fixed with a first sliding rod 9 and a second sliding rod 12, the first sliding rod 9 moves to drive the first rotating rod 13 to move, the first rotating rod 13 moves to drive the second sliding rod 12 to move along the second sliding groove 11, the first sliding rod 9 and the second sliding rod 12 are located at different positions on two sides of the first rotating rod 13, the second sliding groove 11 comprises a first notch 46, a second notch 47 and a third V-shaped notch 48, the first notch 46, the second notch 47 and the third V-shaped notch 48 are communicated, the second sliding rod 12 is slidably disposed in the first notch 46, the second notch 47 and the third V-shaped notch 48, when the second sliding rod 12 moves to the third V-shaped notch 48, the first rotating rod 13 rotates 180 degrees, a cutter cover 14 is fixed to one end of the first rotating rod 13, a cutter 15 is disposed in the cutter cover 14, the first rotating rod 13 rotates to drive the knife cover 14 to move, the knife cover 14 moves to drive the cutting knife 15 to move, the second motor 25 is closed, the first motor 16 is fixed on the outer wall of the knife cover 14, the output shaft of the first motor 16 penetrates through the outer wall of the knife cover 14, the output shaft of the first motor 16 is detachably connected with the cutting knife 15, the rotating door 17 is arranged on one side, away from the first motor 16, of the knife cover 14, and when the cutting knife 15 needs to be replaced, the rotating door 17 is opened to replace the cutting knife 15.

As shown in fig. 3, 8 and 9, a supporting plate 41 is fixed on one side of the device body 3, an opening 42 is formed in the supporting plate 41, a steel strip passes through the opening 42, then the steel strip is placed, a clamping assembly 5 capable of supporting in an auxiliary manner is arranged on the device body 3, the clamping assembly 5 comprises an L-shaped plate 27, a motor three 28 and an adjusting rod 29, the L-shaped plate 27 is fixed on the device body 3 through a supporting leg, the motor three 28 is fixed on the L-shaped plate 27, a rotating rod two 30 is fixed on an output shaft of the motor three 28, a controller 49 is pressed down to start the motor three 28, the output shaft of the motor three 28 rotates to drive the rotating rod two 30 to rotate, one end of the rotating rod two 30, far away from the motor three 28, is hinged with a rotating rod three 31, the rotating rod two 30 rotates to drive the rotating rod three 31 to rotate, a dovetail groove 32 is formed in the L-shaped plate 27, a dovetail plate 33 is slidably arranged in the dovetail groove 32, one end of the rotating rod three 31, far away from the rotating rod two 30, is hinged with the dovetail plate 33, the bottom of the dovetail groove 32 is provided with an L-shaped groove 34, the dovetail plate 33 is provided with an adjusting groove 35, one end of the adjusting rod 29 is arranged in the L-shaped groove 34 and the adjusting groove 35 in a sliding mode, the other end of the adjusting rod 29 is fixedly provided with a pressing rod 50, one end of the pressing rod 50 is fixedly provided with a clamping plate I36, a clamping plate II 53 is fixedly arranged on the L-shaped plate 27, a rotating rod III 31 rotates to drive the dovetail plate 33 to move along the dovetail groove 32, the dovetail plate 33 moves to drive the adjusting rod 29 to move left and right along the L-shaped groove 34, when the adjusting rod 29 moves to a turning position of the L-shaped groove 34, the adjusting rod 29 continues to move back and forth, the adjusting rod 29 simultaneously moves along the adjusting groove 35, the adjusting rod 29 drives the pressing rod 50 to move, and the pressing rod 50 drives the clamping plate I36 to move until the clamping plate I36 clamps the steel strip on the L-shaped plate 27.

As shown in fig. 5, 6 and 7, the second motor 25 is then continuously started, the output shaft of the second motor 25 rotates to drive the first driving rod 18 to rotate, the first driving rod 18 rotates to drive the second driving rod 26 to rotate, the first sliding block 22 rotates to drive the first sliding block 22 to rotate, the first sliding block 22 moves back along the first sliding groove 20, the second driving rod 19 rotates to drive the second sliding block 23 to rotate, the second sliding block 23 moves back along the second sliding groove 21, the second sliding block 23 drives the first sliding rod 9 to move back along the first sliding groove 8, the first sliding rod 9 drives the first sliding rod 13 to move back, the first sliding rod 13 drives the second sliding rod 12 to move back along the second sliding groove 11, when the second sliding rod 12 moves to the middle of the second sliding rod 12, the first sliding rod 13 rotates 180 degrees, the first sliding rod 13 rotates to drive the knife cover 14 to move back, the knife cover 14 drives the knife 15 to move back, and the knife 15 continues to move towards the steel strip after rotating, the L-shaped plate 27 is provided with a notch 52, the cutting knife 15 cuts the steel strip through the notch 52 until the cutting is finished, the motor II 25 is continuously started, the motor II 25 drives the cutting knife 15 to rotate away, the motor III 28 is started reversely, the output shaft of the motor III 28 rotates reversely to drive the rotating rod II 30 to rotate reversely, the rotating rod II 30 rotates reversely to drive the rotating rod III 31 to rotate reversely, the rotating rod III 31 rotates reversely to drive the dovetail plate 33 to move back along the dovetail groove 32, the dovetail plate 33 moves back to drive the adjusting rod 29 to move back along the L-shaped groove 34, the adjusting rod 29 drives the pressing rod 50 to move back, and the pressing rod 50 drives the clamping plate I36 to move back to release the steel strip.

As shown in fig. 3, an L-shaped support plate 43 is fixed on the other side of the device body 3, support blocks 44 are symmetrically fixed on the L-shaped support plate 43, a conveying roller 45 is rotatably arranged between the support blocks 44, a motor five 51 is fixed on the L-shaped support plate 43, an output shaft of the motor five 51 is fixed with the conveying roller 45, the other end of the steel belt is placed on the conveying roller 45, a support plate 41 supports the steel belt, the motor five 51 is started, the output shaft of the motor five 51 rotates to drive the conveying roller 45 to rotate, and the conveying roller 45 drives the steel belt to move.