Pressing line forming mechanism of automatic box nailing machine

Abstract

The utility model relates to an automatic nailing machine pressing line forming mechanism which comprises a rack, a plurality of pressing wheels and a driving mechanism, the rack is provided with a mounting plate and a placing table, the pressing wheels are rotationally connected to the mounting plate, the mounting plate is in transmission connection with a first conveying belt, the placing table is in transmission connection with a second conveying belt, and the second conveying belt is in transmission connection with the driving mechanism. The driving mechanism is used for driving the pressing wheels to rotate and driving the first conveying belt and the second conveying belt at the same time, and when the carton is subjected to line pressing, the first conveying belt and the second conveying belt abut against the two sides of the carton in the thickness direction correspondingly. The driving mechanism drives the pressing wheels, the first conveying belt and the second conveying belt to conduct transmission at the same time, when line pressing is conducted on a carton, the first conveying belt and the second conveying belt conduct conveying on the carton at the same time, the possibility that the carton is stuck is reduced, line pressing forming is conducted on the carton through the pressing wheels, and line pressing is conducted through the multiple pressing wheels; and the possibility of non-uniform depth of lines pressed by the box nailing machine is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of carton production, in particular to a crimping and forming mechanism of an automatic carton nailing machine. Background Art

[0002] The automatic carton stitching machine is one of the post-processing equipment for cartons, specially used for sealing cartons. It consists of three parts: paper feeding part, folding part, stitching part and counting and stacking output part. It has functions such as automatic paper feeding, automatic folding, automatic correction, automatic gluing, automatic stitching, automatic counting and automatic stacking.

[0003] The utility model with publication number CN216860704U discloses a pressure-adjustable nail-pasting integrated machine press line mechanism, comprising a base and a pressure wheel, wherein the four ends of the top of the base are fixedly mounted with support columns, the top of the base is fixedly mounted with a top plate through the four support columns, a cylinder is fixedly mounted at the middle position of the bottom of the top plate, the output end of the cylinder is provided with a pneumatic telescopic rod, the bottom end of the pneumatic telescopic rod is fixedly mounted with a lifting plate, side plates are fixedly mounted on both sides of the bottom of the lifting plate, a threaded shaft is movably mounted between the two side plates, an internal threaded sleeve is threadedly mounted on the threaded shaft, a mounting plate is fixedly mounted on the bottom of the internal threaded sleeve, a wheel frame is fixedly mounted on the bottom of the mounting plate, and a mounting shaft is movably mounted on the inner side of the wheel frame.

[0004] The crimping mechanism of the carton nailing machine in the above technical solution, during use, because its pressing wheel is not provided with a driving structure, during use, the pressing wheel is rotated to press the line through the friction with the carton, and when the friction is too large, the carton is easily stuck, making the pressed line uneven in depth, resulting in the edge line of the subsequent carton not being straight. Utility Model Content

[0005] In order to reduce the possibility of uneven depth of the lines pressed out by the nailing machine, the present application provides a line pressing and forming mechanism for an automatic nailing machine.

[0006] The present application provides an automatic box nailing machine crimping and forming mechanism that adopts the following technical solutions:

[0007] A crimping and forming mechanism of an automatic carton nailing machine includes a frame, a plurality of crimping wheels and a driving mechanism. The frame is provided with a mounting plate and a placement table. The plurality of crimping wheels are rotatably connected to the mounting plate. The mounting plate is transmission-connected to a first conveyor belt. The placement table is transmission-connected to a second conveyor belt. The driving mechanism is used to simultaneously drive the rotation of the plurality of crimping wheels and the transmission of the first conveyor belt and the second conveyor belt. When crimping a carton, the first conveyor belt and the second conveyor belt are respectively in contact with both sides of the carton in the thickness direction.

[0008] By adopting the above technical solution, the driving mechanism simultaneously drives the pressing wheel and the transmission of the first conveyor belt and the second conveyor belt. When the carton is pressed, the first conveyor belt and the second conveyor belt simultaneously transport the carton, reducing the possibility of the carton getting stuck. The pressing wheel presses and forms the line on the carton, and pressing is performed by multiple pressing wheels, reducing the possibility of uneven depth of the line pressed by the nailing machine.

[0009] Preferably, an adjustment mechanism is further included, and the mounting plate and the placement table are respectively connected to the frame in a horizontal sliding direction, and the adjustment mechanism is used to simultaneously drive the mounting plate and the placement table to slide.

[0010] By adopting the above technical solution, the positions of the mounting plate and the placement table of the carton are adjusted through the adjustment mechanism, so that the crimping mechanism can perform crimping and forming operations on cartons of more specifications.

[0011] Preferably, the driving mechanism includes multiple first pulleys, multiple second pulleys, multiple third pulleys and a driving source, multiple third pulleys are rotatably connected to the mounting plate, multiple pressure wheels are coaxially and fixedly connected with fourth pulleys, multiple third pulleys and multiple fourth pulleys are simultaneously wound with synchronous belts, multiple first pulleys are rotatably connected to the mounting plate, the first conveyor belt is simultaneously wound around multiple first pulleys, multiple second pulleys are rotatably connected to the placement table, the second conveyor belt is simultaneously wound around multiple second synchronous belts, and the driving source is used to drive any first pulley, any second pulley and any third pulley to rotate simultaneously.

[0012] By adopting the above technical solution, when the driving source drives any first pulley and still rotates the second pulley, the first conveyor belt wound on the first pulley and the second conveyor belt wound on the second pulley are transmitted, thereby transmitting the carton undergoing the pressing operation; when the driving source drives any third pulley to rotate, the synchronous belt wound on the third pulley is transmitted, thereby rotating several fourth pulleys wound by the synchronous belt, thereby driving several pressing wheels to rotate at the same time; the driving source drives several pressing wheels and the first conveyor belt and the second conveyor belt at the same time, so that the transmission of the carton is uniform, reducing the possibility of the carton being torn due to the different speeds of the pressing wheel, the first conveyor belt and the second conveyor belt.

[0013] Preferably, the driving source includes a first connecting rod, a second connecting rod and a first motor, the first connecting rod and the second connecting rod are respectively connected to the frame in a horizontal direction, the first connecting rod is passed through and rotatably connected to the mounting plate, the second connecting rod is passed through and rotatably connected to the placement table, any first pulley and any third pulley are coaxially and slidably connected to the first connecting rod, any second pulley is coaxially and slidably connected to the second connecting rod, the rotation directions of the first connecting rod and the second connecting rod are opposite, and the first motor is used to drive the rotation of the first connecting rod and the second connecting rod.

[0014] By adopting the above technical solution, the first motor drives the first connecting rod and the second connecting rod to rotate simultaneously, so that the first pulley and the third pulley slidably connected to the first connecting rod rotate simultaneously, and the second pulley slidably connected to the second connecting rod rotates, thereby achieving the purpose of rotating several pressure wheels and transmitting the first conveyor belt and the second conveyor belt, reducing the possibility of the carton being torn due to the different speeds of the pressure wheels, the first conveyor belt and the second conveyor belt.

[0015] Preferably, the axial cross-sections of the first connecting rod and the second connecting rod are polygonal.

[0016] By adopting the above technical solution, when the first connecting rod and the second connecting rod rotate, the first pulley and the third pulley slidably connected to the first connecting rod can be driven to rotate simultaneously, and the second pulley slidably connected to the second connecting rod can be driven to rotate, thereby reducing the possibility of the first pulley and the third pulley slipping when rotating on the first connecting rod, and the possibility of the second pulley slipping when rotating on the second connecting rod.

[0017] Preferably, two screws are slidably connected to the mounting plate, and the mounting plate is rotatably connected to two force blocks. The two screws are respectively passed through and threadedly connected to the force blocks. The two screws are rotatably connected to tension wheels along the direction perpendicular to the axis of the screw, and the first conveyor belt and pulley are respectively wound around the two tension wheels.

[0018] By adopting the above technical solution, the two force blocks are rotated respectively, so that the screws threadedly connected to the two force blocks slide along their axial directions, thereby changing the positions of the two tensioning wheels on the mounting plate, tensioning the synchronous belt and the first conveyor belt, and reducing the possibility of the carton being torn due to the different speeds of the pressure wheel, the first conveyor belt and the second conveyor belt caused by the loosening of the synchronous belt and the first conveyor belt.

[0019] Preferably, the adjustment mechanism includes two lead screws and a second motor, the two lead screws correspond to the placement table and the mounting plate respectively, the two lead screws are respectively rotated in the horizontal direction and connected to the frame, the two lead screws are respectively passed through and threadedly connected to the placement table and the mounting plate, the second motor is arranged on the frame, and the second motor is used to drive the rotation of the two lead screws.

[0020] By adopting the above technical solution, the second motor drives the two screws to rotate simultaneously. Through the threaded connection between the two screws and the placement table and the mounting plate, the placement table and the mounting plate slide simultaneously to adjust the position of the placement table and the mounting plate on the frame, so that the crimping mechanism can perform crimping and forming operations on cartons of more specifications.

[0021] Preferably, the mounting plate includes a sliding plate and an adjusting plate, the sliding plate is connected to the frame in a sliding manner in the horizontal direction, a hydraulic cylinder is provided on the sliding plate, the adjusting plate is connected to the sliding plate in a sliding manner in the vertical direction, the piston rod of the hydraulic cylinder is fixedly connected to the adjusting plate, and several of the pressure wheels are rotatably connected to the adjusting plate.

[0022] By adopting the above technical solution, the adjustment plate is driven to slide by the hydraulic cylinder, and the position of the adjustment plate on the sliding plate is adjusted, so that the pressing mechanism can perform pressing and forming operations on cartons of greater thickness.

[0023] The technical effects of this utility model are mainly reflected in the following aspects:

[0024] 1. The utility model is provided with a first conveyor belt, a second conveyor belt and a plurality of pressing wheels. The driving mechanism drives the pressing wheels and the transmission of the first and second conveyor belts at the same time. When the carton is pressed, the first and second conveyor belts simultaneously transport the carton, reducing the possibility of the carton getting stuck. The pressing wheels press and form the carton, and the pressing of the multiple pressing wheels reduces the possibility of uneven depth of the pressed lines by the carton stitching machine.

[0025] 2. The utility model provides a driving mechanism. When the driving source drives any first pulley and still rotates the second pulley, the first conveyor belt wound on the first pulley and the second conveyor belt wound on the second pulley are driven, thereby transmitting the carton undergoing the pressing operation. When the driving source drives any third pulley to rotate, the synchronous belt wound on the third pulley is driven, thereby rotating several fourth pulleys wound by the synchronous belt, thereby driving several pressing wheels to rotate simultaneously; the driving source drives several pressing wheels and the first conveyor belt and the second conveyor belt at the same time, thereby evenly transmitting the carton, and reducing the possibility of the carton being torn due to the different speeds of the pressing wheel, the first conveyor belt and the second conveyor belt;

[0026] 3. The utility model sets an adjustment mechanism, and the second motor drives the two screws to rotate simultaneously. Through the threaded connection between the two screws and the placement table and the mounting plate, the placement table and the mounting plate slide simultaneously to adjust the position of the placement table and the mounting plate on the frame, so that the crimping mechanism can perform crimping and forming operations on cartons of more specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 2 This is a schematic diagram of the mounting plate mechanism of an embodiment of the present application.

[0029] Figure 3 It is along Figure 2 Enlarged view of point A in the middle.

[0030] Figure 4 It is a schematic diagram of the driving mechanism structure of an embodiment of the present application.

[0031] Explanation of the accompanying drawings: 1. Frame; 11. Mounting plate; 111. Sliding plate; 112. Adjusting plate; 113. Hydraulic cylinder; 114. Screw; 115. Force block; 116. Tensioning pulley; 12. Placing table; 13. Pressure roller; 14. First conveyor belt; 15. Second conveyor belt; 2. Driving mechanism; 21. First pulley; 22. Second pulley; 23. Third pulley; 24. Fourth pulley; 25. Driving source; 251. First connecting rod; 252. Second connecting rod; 26. Synchronous belt; 3. Adjusting mechanism; 31. Screw. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 The present application is further described in detail to make the technical solution of the present application easier to understand and grasp.

[0033] The embodiment of the present application discloses a crimping and forming mechanism for an automatic box stapling machine.

[0034] Reference Figures 1-4 , an automatic box nailing machine crimping and forming mechanism of this embodiment includes a frame 1, a plurality of pressing wheels 13, a driving mechanism 2 and an adjusting mechanism 3. Two groups of mounting plates 11 and two placement tables 12 are slidably connected to the frame 1. The two groups of mounting plates 11 respectively include a sliding plate 111 and an adjusting plate 112. The sliding plate 111 and the placement table 12 are respectively slidably connected to the frame 1 in the horizontal direction. The adjusting plate 112 is slidably connected to the corresponding sliding plate 111 in the vertical direction. A hydraulic cylinder 113 is fixedly connected to the sliding plate 111. The piston rod of the hydraulic cylinder 113 is fixedly connected to the adjusting plate 112. The adjusting mechanism 3 is used to simultaneously drive the two mounting plates 11 and the two placement tables 12 to slide.

[0035] Reference Figures 1-4 , a plurality of pressing wheels 13 are connected to the adjustment plate 112 in a rotational manner along the sliding direction of the sliding plate 111. A first conveyor belt 14 is connected to the sliding plate 111, and a second conveyor belt 15 is connected to the placement table 12. The driving mechanism 2 is used to simultaneously drive the rotation of the plurality of pressing wheels 13 and the transmission of the first conveyor belt 14 and the second conveyor belt 15. When the carton is pressed, the first conveyor belt 14 and the second conveyor belt 15 are respectively in contact with both sides of the carton in the thickness direction.

[0036] Reference Figures 1-4 The driving mechanism 2 simultaneously drives the pressing wheel 13 and the transmission of the first conveyor belt 14 and the second conveyor belt 15. When the carton is crimped, the first conveyor belt 14 and the second conveyor belt 15 simultaneously transport the carton, reducing the possibility of the carton getting stuck. The pressing wheel 13 performs crimping and shaping on the carton. By using multiple pressing wheels 13 to perform crimping, the possibility of uneven crimping depth of the carton stitching machine is reduced. The adjustment mechanism 3 adjusts the position of the carton mounting plate 11 and the placement table 12, allowing the crimping mechanism to perform crimping and shaping operations on cartons of more specifications.

[0037] Reference Figures 1-4 The driving mechanism 2 includes multiple first pulleys 21, multiple second pulleys 22, multiple third pulleys 23 and a driving source 25. The multiple third pulleys 23 are respectively rotatably connected to the adjustment plate 112, and the multiple pressure wheels 13 are respectively coaxially and fixedly connected with the fourth pulleys 24. A synchronous belt 26 is simultaneously wound around the multiple third pulleys 23 and the multiple fourth pulleys 24. The multiple first pulleys 21 are respectively rotatably connected to the adjustment plate 112, the first conveyor belt 14 is simultaneously wound around the multiple first pulleys 21, and the multiple second pulleys 22 are respectively rotatably connected to the placement table 12. The second conveyor belt 15 is simultaneously wound around the multiple second synchronous belts 26. The driving source 25 is used to drive any first pulley 21, any second pulley 22 and any third pulley 23 to rotate simultaneously.

[0038] Reference Figures 1-4The driving source 25 includes a first connecting rod 251, a second connecting rod 252 and a first motor, the first connecting rod 251 and the second connecting rod 252 are respectively rotatably connected to the frame 1 in the horizontal direction, the first connecting rod 251 is passed through and rotatably connected to the sliding plate 111, the second connecting rod 252 is passed through and rotatably connected to the placement table 12, and the axial cross-section of the first connecting rod 251 and the second connecting rod 252 is polygonal; any first pulley 21 and any third pulley 23 are coaxially and slidably connected to the first connecting rod 251, and any second pulley 22 is coaxially and slidably connected to the second connecting rod 252. The rotation directions of the first connecting rod 251 and the second connecting rod 252 are opposite, and one end of the first connecting rod 251 and the second connecting rod 252 in the length direction are respectively coaxially and fixedly connected with gears, and the two gears are meshed and connected. The first motor is fixedly connected to the frame 1, and one end of the output shaft of the first motor is coaxially and fixedly connected to any gear. The first motor is used to drive the rotation of the first connecting rod 251 and the second connecting rod 252.

[0039] Reference Figures 1-4 When the driving source 25 drives any one of the first pulleys 21 and still rotates with the second pulley 22, the first conveyor belt 14 wound on the first pulley 21 and the second conveyor belt 15 wound on the second pulley 22 are driven, thereby transmitting the carton undergoing the pressing operation. When the driving source 25 drives any one of the third pulleys 23 to rotate, the synchronous belt 26 wound on the third pulley 23 is driven, thereby rotating several fourth pulleys 24 wound with the synchronous belt 26, thereby driving several pressing wheels 13 to rotate at the same time; the driving source 25 simultaneously drives several pressing wheels 13 and the first conveyor belt 14 and the second conveyor belt 15 to transmit, so that the transmission of the carton is uniform, reducing the possibility of the carton being torn due to the different speeds of the pressing wheel 13, the first conveyor belt 14 and the second conveyor belt 15.

[0040] Reference Figures 1-4 , any gear is driven to rotate by the first motor, and the two gears are engaged to rotate at the same time, so that the first connecting rod 251 and the second connecting rod 252 rotate at the same time, and the rotation directions are opposite, and the first pulley 21 and the third pulley 23 slidingly connected to the first connecting rod 251 rotate at the same time, and the second pulley 22 slidingly connected to the second connecting rod 252 rotates, so as to achieve the purpose of rotating several pressure wheels 13 and transmitting the first conveyor belt 14 and the second conveyor belt 15, thereby reducing the possibility of the carton being torn due to the different speeds of the pressure wheel 13, the first conveyor belt 14 and the second conveyor belt 15.

[0041] Reference Figures 1-4The cross-section of the axis of the first connecting rod 251 and the second connecting rod 252 is polygonal. When the first connecting rod 251 and the second connecting rod 252 rotate, the first pulley 21 and the third pulley 23 slidably connected to the first connecting rod 251 can be driven to rotate simultaneously, and the second pulley 22 slidably connected to the second connecting rod 252 can be driven to rotate, thereby reducing the possibility of the first pulley 21 and the third pulley 23 slipping when rotating on the first connecting rod 251, and the possibility of the second pulley 22 slipping when rotating on the second connecting rod 252.

[0042] Reference Figures 1-4 Two screw rods 114 are slidably connected to the two mounting plates 11, and two force blocks 115 are rotatably connected to the two mounting plates 11. The two screw rods 114 are respectively passed through and threadedly connected to the force blocks 115. Tensioning wheels 116 are rotatably connected to the two screw rods 114 along the axis perpendicular to the screw rods 114. The first conveyor belt 14 and the pulley are respectively wound around the two tensioning wheels 116. The two force blocks 115 are rotated respectively to make the screw rods 114 threadedly connected to the two force blocks 115 slide along their axis, thereby changing the position of the two tensioning wheels 116 on the mounting plate 11, tensioning the synchronous belt 26 and the first conveyor belt 14, and reducing the possibility of the carton being torn due to the different speeds of the pressure wheel 13, the first conveyor belt 14, and the second conveyor belt 15 caused by the loosening of the synchronous belt 26 and the first conveyor belt 14.

[0043] Reference Figures 1-4 The adjusting mechanism 3 includes two sets of screws 31 and two second motors. The two sets of screws 31 correspond to the placement platform 12 and the mounting plate 11 on the same side respectively. The two sets of screws 31 are respectively connected to the frame 1 in a horizontal direction. Each set of screws 31 includes two screws 31. The two screws 31 in the same group are respectively passed through and threadedly connected to the placement platform 12 and the sliding plate 111 on the same side and are slidably connected to the placement platform 12 and the sliding plate 111 on the other side; taking the sliding plate 111 as an example, that is, one of the screws 3 1 is passed through and threadedly connected to the sliding plate 111 on one side and passed through the sliding plate 111 on the other side, so that the sliding plate 111 on the other side is slidably connected to the lead screw 31; one end of the lead screw 31 in the length direction is coaxially and fixedly connected to a synchronous wheel, and a transmission belt is simultaneously wound around the two synchronous wheels corresponding to the same group of lead screws 31. The two second motors correspond to the two groups of lead screws 31; the two second motors are respectively fixedly connected to the frame 1, and one end of the output shaft of the second motor is coaxially and fixedly connected to any synchronous wheel of the corresponding group.

[0044] Reference Figures 1-4The second motor drives any one of the synchronous wheels to rotate, and transmits the power through the transmission belt, so that the two synchronous wheels in the same group rotate together, thereby driving the two lead screws 31 in the same group to rotate at the same time, and through the threaded connection between the two lead screws 31 and the placement table 12 and the sliding plate 111, the placement table 12 and the sliding plate 111 on the same side slide at the same time to adjust the position of the placement table 12 and the mounting plate 11 on the same side on the frame 1; the two motors respectively control the two groups of lead screws 31 to slide, and the positions of the placement table 12 and the sliding plate 111 on both sides can be adjusted respectively, so that the pressing mechanism can perform pressing and forming operations on cartons of more specifications.

[0045] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A crimping and forming mechanism for an automatic carton stapler, characterized by: The invention comprises a frame (1), a plurality of pressing wheels (13) and a driving mechanism (2); the frame (1) is provided with a mounting plate (11) and a placement platform (12); the plurality of pressing wheels (13) are respectively rotatably connected to the mounting plate (11); the mounting plate (11) is connected to a first conveyor belt (14) in a transmission manner; the placement platform (12) is connected to a second conveyor belt (15) in a transmission manner; the driving mechanism (2) is used for simultaneously driving the rotation of the plurality of pressing wheels (13) and the transmission of the first conveyor belt (14) and the second conveyor belt (15); when the carton is pressed, the first conveyor belt (14) and the second conveyor belt (15) are respectively in contact with both sides of the carton in the thickness direction.

2. The crimping and forming mechanism of an automatic carton stitching machine according to claim 1, characterized in that: It also includes an adjustment mechanism (3), wherein the mounting plate (11) and the placement table (12) are respectively connected to the frame (1) in a sliding manner in the horizontal direction, and the adjustment mechanism (3) is used to simultaneously drive the sliding of the mounting plate (11) and the placement table (12).

3. The crimping and forming mechanism of an automatic carton stapler according to claim 2, characterized in that: The driving mechanism (2) includes a plurality of first pulleys (21), a plurality of second pulleys (22), a plurality of third pulleys (23) and a driving source (25), wherein the plurality of third pulleys (23) are respectively rotatably connected to the mounting plate (11), and the plurality of pressure wheels (13) are respectively coaxially and fixedly connected with fourth pulleys (24), and a synchronous belt (26) is simultaneously wound around the plurality of third pulleys (23) and the plurality of fourth pulleys (24), and the plurality of first pulleys (21) are respectively rotatably connected to the mounting plate (11), the first conveyor belt (14) is simultaneously wound around the plurality of first pulleys (21), the plurality of second pulleys (22) are respectively rotatably connected to the placing table (12), and the second conveyor belt (15) is simultaneously wound around the plurality of second synchronous belts (26), and the driving source (25) is used to drive any first pulley (21), any second pulley (22) and any third pulley (23) to rotate simultaneously.

4. The crimping and forming mechanism of an automatic carton stitching machine according to claim 3, characterized in that: The driving source (25) includes a first connecting rod (251), a second connecting rod (252) and a first motor. The first connecting rod (251) and the second connecting rod (252) are respectively connected to the frame (1) in a horizontal direction. The first connecting rod (251) is passed through and is connected to the mounting plate (11) in a rotational manner. The second connecting rod (252) is passed through and is connected to the placement table (12) in a rotational manner. Any of the first pulleys (21) and any of the third pulleys (23) are coaxially and slidably connected to the first connecting rod (251). Any of the second pulleys (22) is coaxially and slidably connected to the second connecting rod (252). The first connecting rod (251) and the second connecting rod (252) have opposite rotation directions. The first motor is used to drive the rotation of the first connecting rod (251) and the second connecting rod (252).

5. The crimping and forming mechanism of an automatic carton stapler according to claim 4, characterized in that: The axial cross-sections of the first connecting rod (251) and the second connecting rod (252) are arranged in a polygonal shape.

6. The crimping and forming mechanism of an automatic carton stitching machine according to claim 3, characterized in that: Two screw rods (114) are slidably connected to the mounting plate (11), and the mounting plate (11) is rotatably connected to two force blocks (115). The two screw rods (114) are respectively passed through and threadedly connected to the force blocks (115). Tensioning wheels (116) are rotatably connected to the two screw rods (114) along an axial direction perpendicular to the screw rods (114). The first conveyor belt (14) and the pulley are respectively wound around the two tensioning wheels (116).

7. The crimping and forming mechanism of an automatic carton stitching machine according to claim 3, characterized in that: The adjustment mechanism (3) comprises two lead screws (31) and a second motor. The two lead screws (31) correspond to the placement platform (12) and the mounting plate (11) respectively. The two lead screws (31) are respectively connected to the frame (1) by rotating in the horizontal direction. The two lead screws (31) are respectively passed through and threadedly connected to the placement platform (12) and the mounting plate (11). The second motor is arranged on the frame (1) and is used to drive the rotation of the two lead screws (31).

8. The crimping and forming mechanism of an automatic carton stapler according to claim 2, characterized in that: The mounting plate (11) comprises a sliding plate (111) and an adjusting plate (112); the sliding plate (111) is connected to the frame (1) in a sliding manner in a horizontal direction; a hydraulic cylinder (113) is provided on the sliding plate (111); the adjusting plate (112) is connected to the sliding plate (111) in a sliding manner in a vertical direction; a piston rod of the hydraulic cylinder (113) is fixedly connected to the adjusting plate (112); and a plurality of the pressing wheels (13) are rotatably connected to the adjusting plate (112).

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