Automatic color steel plate packing device

Abstract

The present application relates to the technical field of steel plate packing, and discloses an automatic color steel plate packing device, which comprises a conveying mechanism, a color steel plate body is placed on the top of the conveying mechanism, a winding roller is fixedly connected to the back of the conveying mechanism, a packing belt is wound on the outer side of the winding roller, a bundling assembly is arranged in the middle of the conveying mechanism, the conveying mechanism conveys the color steel plate body to the bundling assembly, and the bundling assembly drives the packing belt to be spirally wound on the outer side of the color steel plate body; through the bundling assembly, the packing belt is wound on the outer side of the color steel plate body, the bundling strength is enhanced, and the color steel plate body is prevented from being broken by impact during transportation.

Description

Technical Field

[0001] This invention relates to the field of steel plate packaging technology, and in particular to an automatic color steel plate packaging device. Background Technology

[0002] Packaging of color steel sheets is an important step. The main purpose of packaging is to protect the color steel sheets from damage during transportation and storage, while also facilitating loading, unloading, and transportation. The most common packaging method is strapping.

[0003] Traditionally, when packaging color steel sheets, multiple sheets are bundled together using a single hoop in a straight line. However, because the sides of the color steel sheets are relatively sharp, this single hoop binding method is not strong enough. When multiple color steel sheets are stacked, the weight is large, and impacts during transportation can cause the binding straps to break, making the color steel sheets prone to loosening or shifting, resulting in poor packaging effect.

[0004] Therefore, the present invention provides an automatic color steel plate packaging device. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] This invention provides an automatic color steel plate packaging device, including a conveying mechanism. A color steel plate body is placed on the top of the conveying mechanism, and a take-up roller is fixedly connected to the back of the conveying mechanism. Packing straps are wound around the outer side of the take-up roller, and a binding assembly is provided in the middle of the conveying mechanism. The conveying mechanism conveys the color steel plate body to the binding position to the inside of the binding assembly, and the binding assembly drives the packing straps to spirally wrap around the outer side of the color steel plate body multiple times.

[0007] By adopting the above technical solution, the packing straps are wrapped around the outside of the color steel plate body multiple times to enhance the binding strength and prevent the color steel plate body from being damaged by impact and broken during transportation.

[0008] Preferably, the conveying mechanism includes two motor sets, the output shaft of each motor set is connected to a conveying roller, and the front and back sides of each conveying roller are rotatably connected to a bracket. The motor sets drive the conveying roller to move and convey the color steel plate body, and a guide plate is provided on the top of the bracket on one side to guide the color steel plate body.

[0009] Preferably, the strapping assembly includes a strapping track, both ends of which are fixedly connected to a cap, and a helical rack is connected to the inner side of the strapping track. A strapping traction assembly is provided on the side of the strapping track away from the helical rack, and the helical rack and the strapping traction assembly cooperate to drive the packing strap to make a spiral motion around the color steel plate body.

[0010] Preferably, the binding track includes a track body, which is a hollow structure. A side groove is provided on one side of the track body, and a movable groove is provided on the side of the track body near the conveying mechanism. A helical rack is fixedly connected to the inner wall of the track body away from the movable groove, and the teeth of the helical rack are distributed near the movable groove.

[0011] Preferably, the binding and traction assembly includes a gear, the teeth of which mesh with the teeth of the helical rack. A drive motor is fixedly connected to one side of the gear, and the output shaft of the drive motor is fixedly connected to the gear. A protective box is fitted around the outside of the drive motor, and a convex locking block is fixedly connected to one side of the drive motor protective box. A mounting bracket is fixedly connected to the side of the drive motor near the movable slide, and a clamping hand is fixedly connected to the side of the mounting bracket near the movable slide. A square groove is provided on the side of the clamping hand near the conveying mechanism, and a first clamping plate is provided on the inner side of the square groove.

[0012] Preferably, a second guide assembly is connected to the other side of the bracket located on one side. The second guide assembly includes a guide block, the front of which has a guide hole for guiding the packing strap, and a third clamping plate is connected to the inner side of the guide hole of the guide block.

[0013] Preferably, the third clamping plate includes two clamping block bodies, each with a square hole on an adjacent side. An electric push rod is fixedly connected to the top of the top clamping block body, and the output shaft of the electric push rod is fixedly connected to the top of the top clamping block body.

[0014] Preferably, a cutting blade is slidably connected to the inner side of the third clamping plate at the bottom, and an electric actuator is fixedly connected to the bottom of the cutting blade. The length and width of the electric actuator are both clearance-fitted with the length and width of the square hole, and the output shaft of the electric actuator is fixedly connected to the bottom of the cutting blade.

[0015] Preferably, a first guide assembly is connected to one side of the bracket located on the other side. The first guide assembly includes a hydraulic cylinder, a hydraulic rod is slidably connected to one side of the hydraulic cylinder, a U-shaped seat is fixedly connected to one side of the hydraulic rod, and a second clamping plate is provided on the inner side of the top of the U-shaped seat.

[0016] Preferably, the structures of the second clamping plate and the first clamping plate are the same as the internal structure of the third clamping plate.

[0017] By adopting the above technical solution, the binding component, the first guide component, and the second guide component work together to reduce manual involvement in the binding operation and improve the degree of automation.

[0018] The beneficial effects of this invention are as follows: The automatic color steel plate packaging device of this invention is equipped with a strapping assembly. The first clamping plate stably clamps one end of the strapping tape. Then, the drive motor is started, causing the drive motor to drive the gear to rotate. The gear teeth mesh with the teeth of the spiral rack, causing the gear to move along the distribution path of the spiral rack, driving the strapping tape to spirally wrap around the color steel plate body. This allows the strapping tape to wrap around the outside of the color steel plate body multiple times, increasing the strapping strength and preventing the color steel plate body from being damaged by impact during transportation. When the strapping traction assembly moves to the spiral rack closest to the motor assembly, the control system pauses the drive motor. At this time, the electric push rod is started to push the clamping block body located at the top, reducing the gap between the clamping blocks and clamping the strapping tape at the discharge end, stopping the strapping tape from discharging. Then, the drive motor is started again, and the drive motor moves the strapping tape to tighten the strapping tape already wrapped around the outside of the color steel plate body, making the strapping tape wrapped around the outside of the color steel plate body more closely fit the color steel plate body, effectively preventing the color steel plate from loosening and shifting during transportation.

[0019] The automatic color steel plate packaging device of the present invention, by setting up a binding component, a first guide component and a second guide component to cooperate with each other, since the U-shaped seat is set on the front of the end of the binding track and the opening of the moving slide is always facing the inner side of the binding track spiral, when passing the U-shaped seat, the packing strap will be pulled by the first clamping plate and stuck between the top of the U-shaped seat and the second clamping plate until the first clamping plate drives the packing strap to the end of the spiral rack, when the drive motor is turned off, then the first clamping plate releases the packing strap and the second clamping plate clamps the packing strap. The hydraulic cylinder is activated to make the hydraulic rod extend outward to push the second clamping plate towards the second guide component, so that the position of the packing strap fixed by the second clamping plate is close to the position of the packing strap fixed by the clamping block body. After it is close, the workshop worker uses an external binding machine to fix the two close packing straps with a lock. Then the electric push rod is activated to drive the cutting blade to move up to the inside of the square hole to cut the packing strap fixed by the clamping block body. After cutting, the second clamping plate is activated to release the packing strap. At this time, one binding operation is completed, reducing manual participation in binding operations and improving the degree of automation. Attached Figure Description

[0020] Figure 1 This is a perspective view of an embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the top structure of the overall structure in this invention;

[0022] Figure 3 yes Figure 1 Enlarged view of a portion of point A in the middle;

[0023] Figure 4 yes Figure 1 Enlarged view of a section at point B in the middle;

[0024] Figure 5 This is a schematic diagram of the structure of the second guiding component in this invention;

[0025] Figure 6 This is a schematic diagram of the binding component in this invention;

[0026] Figure 7 yes Figure 6 Enlarged view of a section at point C;

[0027] Figure 8 This is a schematic diagram of the binding and traction assembly in this invention.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1. Conveying mechanism; 101. Support; 102. Guide plate; 103. Motor unit; 104. Conveying roller; 2. Bundling assembly; 201. Bundling track; 2011. Track body; 2012. Side slide groove; 2013. Moving slide groove; 202. Cover; 203. Helical rack; 204. Bundling traction assembly; 2041. Gear; 2042. Drive motor; 2043. Convex clamp; 2044. Mounting bracket; 2045. Clamping hand ; 2046, square channel; 2047, first clamping plate; 3, winding roller; 4, first guide assembly; 401, hydraulic cylinder; 402, hydraulic rod; 403, U-shaped seat; 404, second clamping plate; 5, second guide assembly; 501, guide block; 502, third clamping plate; 5021, clamping block body; 5022, square hole; 5023, electric push rod; 503, cutting blade; 504, electric push rod; 600, color steel plate body; 700, packing strap. Detailed Implementation

[0030] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and implement the subject matter described herein, and changes may be made to the function and arrangement of the elements discussed without departing from the scope of this specification. Various processes or components may be omitted, substituted, or added as needed in the examples. Furthermore, features described in some examples may be combined in other examples. Example

[0031] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Please refer to the accompanying drawings. Figures 1 to 8 Please refer to the automatic color steel plate packaging device provided in this application. Figure 1 and Figure 2The system includes a conveying mechanism 1, on the top of which a color steel plate body 600 is placed. A take-up roller 3 is fixedly connected to the back of the conveying mechanism 1. A packing strap 700 is wound around the outside of the take-up roller 3. A binding assembly 2 is set in the middle of the conveying mechanism 1. The conveying mechanism 1 conveys the color steel plate body 600 to the binding position to the inside of the binding assembly 2. The binding assembly 2 drives the packing strap 700 to spirally wind around the outside of the color steel plate body 600 multiple times.

[0032] Specifically, since the main body 600 of a single batch of color steel plate is stacked in multiple layers, in order to ensure its stability, the number of binding times needs to be set according to its specific length. The main body 600 of the color steel plate is placed on top of the conveying mechanism 1 and the motor unit 103 drives the conveying roller 104 to rotate to push the main body 600 of the color steel plate. When the position to be bound is pushed to the inside of the binding component 2, the motor unit 103 is stopped. After the single binding operation is completed, the motor unit 103 is started to continue to convey the main body 600 of the color steel plate to the next binding position and move to the inside of the binding component 2.

[0033] Please refer to this carefully. Figure 2 The conveying mechanism 1 includes two motor sets 103. The output shaft of the motor set 103 is connected to the conveying roller 104. The front and back sides of the conveying roller 104 are rotatably connected to the bracket 101. The motor set 103 drives the conveying roller 104 to move and convey the color steel plate body 600. The top of the bracket 101 on one side is provided with a guide plate 102 to guide the color steel plate body 600.

[0034] Specifically, when conveying the main body 600 of the color steel plate, the support 101 on one side is the unloading end, and the support 101 on the other side is the loading end. The support 101 on the other side starts first to convey the main body 600 of the color steel plate through the inside of the binding assembly 2 to the top of the support 101 on one side. After reaching the first binding position, the motor unit 103 stops. When the position of the main body 600 of the color steel plate through the binding assembly 2 exceeds half the length of the main body 600 of the color steel plate, when conveying the main body 600 of the color steel plate again, both motor units 103 are started at the same time to improve the stability of the conveying. When the position of the main body 600 of the color steel plate through the binding assembly 2 is far beyond half the length of the main body 600 of the color steel plate, when conveying the main body 600 of the color steel plate again, only the motor unit 103 on one side is started to save conveying costs.

[0035] Please refer to this carefully. Figure 3 , Figure 6 , Figure 7 The strapping assembly 2 includes a strapping track 201, with caps 202 fixedly connected to both ends of the strapping track 201. A helical rack 203 is connected to the inner side of the strapping track 201. A strapping traction assembly 204 is provided on the side of the strapping track 201 away from the helical rack 203. The helical rack 203 and the strapping traction assembly 204 cooperate to drive the packing strap 700 to make a spiral motion around the color steel plate body 600.

[0036] Please refer to this carefully. Figure 6 , Figure 7 The binding track 201 includes a track body 2011, which is a hollow structure. A side slide groove 2012 is provided on one side of the track body 2011, and a movable slide groove 2013 is provided on the side of the track body 2011 near the conveying mechanism 1. A helical rack 203 is fixedly connected to the inner wall of the track body 2011 away from the movable slide groove 2013, and the teeth of the helical rack 203 are distributed on the side near the movable slide groove 2013.

[0037] Please refer to this carefully. Figure 8 The binding and traction assembly 204 includes a gear 2041, the teeth of which mesh with the teeth of the helical rack 203. A drive motor 2042 is fixedly connected to one side of the gear 2041. The output shaft of the drive motor 2042 is fixedly connected to the gear 2041. A protective box is sleeved on the outside of the drive motor 2042. A convex locking block 2043 is fixedly connected to one side of the protective box of the drive motor 2042. A mounting bracket 2044 is fixedly connected to the side of the drive motor 2042 near the moving slide 2013. A clamping hand 2045 is fixedly connected to the side of the mounting bracket 2044 near the moving slide 2013. A square groove 2046 is opened on the side of the clamping hand 2045 near the conveying mechanism 1. A first clamping plate 2047 is provided on the inner side of the square groove 2046.

[0038] Specifically, the drive motor 2042 is started, causing the drive motor 2042 to drive the gear 2041 to rotate. The teeth of the gear 2041 mesh with the teeth of the helical rack 203, causing the gear 2041 to move along the distribution path of the helical rack 203, driving the packing strap 700 to make a helical winding motion around the color steel plate body 600. A convex rod is rotatably provided on the other side of the gear 2041. A convex groove that fits with the convex rod is opened on the side of the track body 2011 away from the side slide groove 2012. When the gear 2041 meshes and makes a helical motion around the helical rack 203, the convex block 2043 moves synchronously helically along the side slide groove 2012, and the convex rod moves synchronously helically along the convex groove.

[0039] Please refer to this carefully. Figure 1 , Figure 4 , Figure 5 The other side of the bracket 101 located on one side is connected to a second guide assembly 5. The second guide assembly 5 includes a guide block 501. The front of the guide block 501 has a guide hole for guiding the packing strap 700. The inner side of the guide hole of the guide block 501 is connected to a third clamping plate 502.

[0040] Specifically, the workshop workers first pass the open end of the roll of strapping 700 through the guide hole of the guide block 501, and then insert it into the square groove 2046 to fix the strapping 700.

[0041] Please refer to this carefully. Figure 5 The third clamping plate 502 includes two clamping block bodies 5021. Each of the two clamping block bodies 5021 has a square hole 5022 on an adjacent side. An electric push rod 5023 is fixedly connected to the top of the clamping block body 5021 located at the top. The output shaft of the electric push rod 5023 is fixedly connected to the top of the clamping block body 5021 located at the top.

[0042] Specifically, when the strapping and traction assembly 204 moves to the position where the helical rack 203 is closest to the motor assembly 103, the control system pauses the drive motor 2042. At this time, the electric push rod 5023 is activated to push the clamping block body 5021 located at the top to move down, thereby reducing the gap between the clamping block bodies 5021 and clamping the packing strap 700 at the discharge end, causing the packing strap 700 to stop discharging. Then, the drive motor 2042 is activated again to start moving. At this time, the drive motor 2042 drives the packing strap 700 to move, which can secure the packing strap 700 that has been wrapped around the outside of the color steel plate body 600.

[0043] Please refer to this carefully. Figure 5 A cutting blade 503 is slidably connected to the inner side of the third clamping plate 502 at the bottom. An electric push rod 504 is fixedly connected to the bottom of the cutting blade 503. The length and width of the electric push rod 504 are clearance-fitted with the length and width of the square hole 5022. The output shaft of the electric push rod 504 is fixedly connected to the bottom of the cutting blade 503.

[0044] Specifically, in the initial state, the cutting blade 503 is completely submerged in the square hole 5022 at the bottom, and the reduction in distance between the two clamping block bodies 5021 is caused by the decrease in height of the clamping block body 5021 at the top. The square hole 5022 at the bottom is always located outside the cutting blade 503 until the electric push rod 504 drives the cutting blade 503 to move upward. When the electric push rod 504 drives the cutting blade 503 to move upward, the cutting blade 503 can cut the packing tape 700. In order to ensure a more thorough cut, the output shaft of the electric push rod 504 will drive the cutting blade 503 to move downward into the square hole 5022 at the top.

[0045] Please refer to this carefully. Figure 1 , Figure 3 On one side of the bracket 101 located on the other side, a first guide assembly 4 is connected. The first guide assembly 4 includes a hydraulic cylinder 401. A hydraulic rod 402 is slidably connected to one side of the hydraulic cylinder 401. A U-shaped seat 403 is fixedly connected to one side of the hydraulic rod 402. A second clamping plate 404 is provided on the inner side of the top of the U-shaped seat 403.

[0046] Specifically, before moving to the very end, since the U-shaped seat 403 is located on the front of the end of the strapping track 201 and the opening of the moving slide 2013 always faces the inner side of the spiral of the strapping track 201, when passing the U-shaped seat 403, the strapping strap 700 will be pulled by the first clamping plate 2047 and stuck between the top of the U-shaped seat 403 and the second clamping plate 404. The drive motor 2042 is turned off when the first clamping plate 2047 moves the strapping strap 700 to the very end of the spiral rack 203. Then, the second clamping plate 404 is activated first, reducing the gap between the second clamping plates 404, and then the first clamping plate 2047 is activated, widening the gap between the first clamping plates 2047. At this point, the first clamping plate 2047 is released. The packing strap 700 is held by the second clamping plate 404. The hydraulic cylinder 401 is activated, causing the hydraulic rod 402 to extend outward and push the second clamping plate 404 towards the second guide component 5. This brings the position of the packing strap 700 fixed by the second clamping plate 404 closer to the position of the packing strap 700 fixed by the clamping block body 5021. After they are close, the workshop workers use an external binding machine to fix the two close-up packing straps 700 with a buckle. Then, the electric push rod 504 is activated to drive the cutting blade 503 to move up to the inside of the square hole 5022 to cut the position of the packing strap 700 fixed by the clamping block body 5021. After cutting, the second clamping plate 404 is activated to release the packing strap 700. At this time, one binding operation is completed.

[0047] Please refer to this carefully. Figure 3 , Figure 5 , Figure 8 The structures of the second clamping plate 404 and the first clamping plate 2047 are the same as the internal structure of the third clamping plate 502.

[0048] Specifically, activating the second clamping plate 404 causes one side of the second clamping plate 404 to move away from and closer to the other side, thereby increasing or decreasing the gap between the second clamping plates 404; activating the first clamping plate 2047 causes the top of the first clamping plate 2047 to move away from and closer to the bottom, thereby increasing or decreasing the gap between the first clamping plates 2047.

[0049] Working principle

[0050] When packaging the color steel sheets, the workshop workers first pass the open end of the coiled packing strap 700 through the guide hole of the guide block 501, and then insert it into the inside of the square groove 2046. Initially, the square groove 2046 is at the head end of the helical rack 203, as... Figure 6 As shown, the distance between the first clamping plates 2047 and the distance between the second clamping plates 404 are both greater than the thickness of the packing strap 700, and the U-shaped seat 403 is located on the front of the end of the binding track 201.

[0051] The first clamping plate 2047 is activated, reducing the gap between the clamping plates 2047 to stably clamp one end of the packing strap 700. Then, the drive motor 2042 is activated, causing the drive motor 2042 to drive the gear 2041 to rotate. The teeth of the gear 2041 mesh with the teeth of the helical rack 203, causing the gear 2041 to move along the distribution path of the helical rack 203, driving the packing strap 700 to spirally wind around the color steel plate body 600. When the binding and traction component 204 moves to the position where the helical rack 203 is closest to the motor assembly 103, the control system pauses the drive motor 2042. At this time, the electric push rod 502 is activated. 3. Push the clamping block body 5021 located at the top to move down, so that the gap between the clamping block bodies 5021 is reduced and the clamping block bodies 5021 clamp the packing strap 700 at the discharge end, so that the packing strap 700 stops discharging. Then, continue to start the drive motor 2042 to start moving. At this time, the drive motor 2042 drives the packing strap 700 to move and can tighten the packing strap 700 that has been wrapped around the outside of the color steel plate body 600. Continue to drive the gear 2041 to move to the end of the spiral rack 203. Before moving to the end, because the U-shaped seat 403 is set on the front of the end of the binding track 201 and the opening of the moving slide 2013 faces the front, the U-shaped seat 403 is located on the front of the end of the binding track 201 and the opening of the moving slide 2013 faces the front. As the strapping strap 700 moves towards the inner side of the spiral of the strapping track 201 and passes the U-shaped seat 403, it will be pulled by the first clamping plate 2047 and wedged between the top of the U-shaped seat 403 and the second clamping plate 404. This continues until the first clamping plate 2047 moves the strapping strap 700 to the very end of the spiral rack 203, at which point the drive motor 2042 is turned off. Then, the second clamping plate 404 is activated first, reducing the gap between the two clamping plates, and then the first clamping plate 2047 is activated, widening the gap between them. At this point, the first clamping plate 2047 releases the strapping strap 700 while the second clamping plate 404 holds it in place. The hydraulic cylinder 401 causes the hydraulic rod 402 to extend outward and push the second clamping plate 404 to move towards the second guide component 5, so that the position of the packing strap 700 fixed by the second clamping plate 404 is close to the position of the packing strap 700 fixed by the clamping block body 5021. After they are close, the workshop workers use an external binding machine to fix the two close packing straps 700 with a buckle. Then, the electric push rod 504 is activated to drive the cutting blade 503 to move up to the inside of the square hole 5022 to cut the position of the packing strap 700 fixed by the clamping block body 5021. After cutting, the second clamping plate 404 is activated to release the packing strap 700. At this time, one binding operation is completed.

[0052] Since the main body 600 of a single batch of color steel plate is stacked in multiple layers, in order to ensure its stability, the number of binding times needs to be set according to its specific length. The main body 600 of the color steel plate is placed on top of the conveying mechanism 1 and the motor unit 103 drives the conveying roller 104 to rotate to push the main body 600 of the color steel plate. When the position to be bound is pushed to the inside of the binding component 2, the motor unit 103 is stopped. After the single binding operation is completed, the motor unit 103 is started to continue to convey the main body 600 of the color steel plate to the next binding position and move to the inside of the binding component 2.

[0053] The embodiments of this specific implementation have been described above. However, this embodiment is not limited to the specific implementation described above. The specific implementation described above is merely illustrative and not restrictive. Those skilled in the art can make many other forms based on the guidance of this embodiment, all of which are within the protection scope of this embodiment.

Claims

1. An automatic color steel plate packaging device, characterized in that: The system includes a conveying mechanism (1), on which a color steel plate body (600) is placed. A winding roller (3) is fixedly connected to the back of the conveying mechanism (1). A packing strap (700) is wound around the outside of the winding roller (3). A binding assembly (2) is provided in the middle of the conveying mechanism (1). The conveying mechanism (1) conveys the color steel plate body (600) to the binding position to the inside of the binding assembly (2). The binding assembly (2) drives the packing strap (700) to spirally wind around the outside of the color steel plate body (600) multiple times. The conveying mechanism (1) includes two motor sets (103). The output shaft of the motor set (103) is connected to a conveying roller (104). The front and back sides of the conveying roller (104) are rotatably connected to a bracket (101). The motor set (103) drives the conveying roller (104) to move and convey the color steel plate body (600). The top of the bracket (101) on one side is provided with a guide plate (102) to guide the color steel plate body (600). The strapping assembly (2) includes a strapping track (201), both ends of which are fixedly connected to a cap (202). A helical rack (203) is connected to the inner side of the strapping track (201). A strapping traction assembly (204) is provided on the side of the strapping track (201) away from the helical rack (203). The helical rack (203) and the strapping traction assembly (204) work together to drive the packing strap (700) to make a spiral motion around the color steel plate body (600). The binding track (201) includes a track body (2011), which is a hollow structure. A side groove (2012) is provided on one side of the track body (2011), and a movable groove (2013) is provided on the side of the track body (2011) near the conveying mechanism (1). A helical rack (203) is fixedly connected to the inner wall of the side of the track body (2011) away from the movable groove (2013). The teeth of the helical rack (203) are distributed on the side near the movable groove (2013). The binding and traction assembly (204) includes a gear (2041), the teeth of which mesh with the teeth of the helical rack (203). A drive motor (2042) is fixedly connected to one side of the gear (2041), and the output shaft of the drive motor (2042) is fixedly connected to the gear (2041). A protective box is fitted around the outside of the drive motor (2042), and one side of the protective box is fixedly connected to... There is a convex locking block (2043). The drive motor (2042) is fixedly connected to a mounting bracket (2044) on the side near the moving slide (2013). The mounting bracket (2044) is fixedly connected to a clamping hand (2045) on the side near the moving slide (2013). The clamping hand (2045) has a square groove (2046) on the side near the conveying mechanism (1). A first clamping plate (2047) is provided on the inner side of the square groove (2046). The other side of the bracket (101) located on one side is connected to a second guide assembly (5). The second guide assembly (5) includes a guide block (501). The front of the guide block (501) is provided with a guide hole for guiding the packing strap (700). The inner side of the guide hole of the guide block (501) is connected to a third clamping plate (502). The third clamping plate (502) includes two clamping block bodies (5021). A square hole (5022) is opened on the adjacent side of the two clamping block bodies (5021). An electric push rod (5023) is fixedly connected to the top of the clamping block body (5021) located at the top. The output shaft of the electric push rod (5023) is fixedly connected to the top of the clamping block body (5021) located at the top. A cutting blade (503) is slidably connected to the inner side of the third clamping plate (502) at the bottom. An electric push rod (504) is fixedly connected to the bottom of the cutting blade (503). The length and width of the electric push rod (504) are clearance-fitted with the length and width of the square hole (5022). The output shaft of the electric push rod (504) is fixedly connected to the bottom of the cutting blade (503). A first guide assembly (4) is connected to one side of the bracket (101) on the other side. The first guide assembly (4) includes a hydraulic cylinder (401). A hydraulic rod (402) is slidably connected to one side of the hydraulic cylinder (401). A U-shaped seat (403) is fixedly connected to one side of the hydraulic rod (402). A second clamping plate (404) is provided on the inner side of the top of the U-shaped seat (403). The structure of the second clamping plate (404) and the structure of the first clamping plate (2047) are the same as the internal structure of the third clamping plate (502).

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