Carton creasing device for carton production

Abstract

The utility model relates to the field of carton creasing devices, in particular to a carton creasing device for carton production, which comprises a worktable, a portal frame, a transverse fixing mechanism, a thickness adjusting mechanism and a pressing knife mechanism are arranged on the upper tabletop of the worktable, and a longitudinal fixing mechanism is arranged on the lower tabletop of the worktable; the transverse fixing mechanism comprises two transverse clamping parts which move towards each other or back to back; the longitudinal fixing mechanism comprises two longitudinal clamping parts which move towards each other or back to back; the transverse fixing mechanism is driven by a transverse driving mechanism to realize transverse centering and fixing of the paperboard; the longitudinal fixing mechanism is driven by a longitudinal driving mechanism to realize longitudinal centering and fixing of the paperboard; by arranging the transverse fixing mechanism and the longitudinal fixing mechanism, carton boards of different specifications can be centered and fixed; and the thickness adjusting mechanism can prevent the pressing knife from excessively stamping the carton board.

Description

Technical Field

[0001] The utility model relates to the technical field of carton creasing devices, in particular to a carton creasing device used for carton production. Background Art

[0002] Creasing corrugated paper is a critical step in the carton production process, directly impacting the accuracy of carton forming and folding quality. Traditional carton creasing methods rely on manual labor or simple mechanical devices, resulting in uneven creasing depth, low efficiency, and high scrap rates. Furthermore, the cardboard can easily shift during the creasing process, leading to inaccurate creasing positions and compromising the final carton quality.

[0003] After searching, a Chinese patent with publication number CN221456924U discloses a carton creasing device, the technical key points of which are: it includes a base, a column, a rack, a lifting shell, a rectangular connecting piece, a precision cylinder rod, a load-bearing seat, a depth adjustment mechanism and a locking mechanism; the column is fixedly connected to the upper right side of the base, and a slide rail and a vertical slot are provided on the periphery of the column; the rack is fixedly connected to the periphery of the column; the lifting shell slides on the periphery of the column; the rectangular connecting piece is fixedly connected to the side of the lifting shell; the precision cylinder rod is fixedly connected to the side of the rectangular connecting piece; the load-bearing seat is fixedly connected above the base, and a slide rail is provided above the load-bearing seat; the depth adjustment mechanism is arranged inside the lifting shell; the locking mechanism is arranged on the side of the lifting shell.

[0004] However, this technology cannot fix cardboards of different specifications; and cannot indent cardboards of different thicknesses, so a new solution is needed to solve this problem. Utility Model Content

[0005] In view of the above background technology, the prior art has the shortcomings and defects of not being able to fix cardboards of different specifications and not being able to indent cardboards of different thicknesses.

[0006] The utility model discloses a carton creasing device for carton production, comprising a workbench, wherein the upper surface of the workbench is provided with a gantry, a transverse fixing mechanism, a thickness adjusting mechanism, and a knife pressing mechanism, and the lower surface is provided with a longitudinal fixing mechanism; the transverse fixing mechanism comprises two transverse clamping parts that move toward or away from each other; the longitudinal fixing mechanism comprises two longitudinal clamping parts that move toward or away from each other; the transverse fixing mechanism is driven by a transverse driving mechanism to achieve transverse centering and fixing of a cardboard; the longitudinal fixing mechanism is driven by a longitudinal driving mechanism to achieve longitudinal centering and fixing of a cardboard; the arrangement of the transverse fixing mechanism and the longitudinal fixing mechanism can perform centering and fixing for carton boards of different specifications; the thickness adjusting mechanism can prevent the knife pressing from over-punching the carton board.

[0007] Furthermore, the gantry is an inverted U-shape, with both ends of the bottom of the gantry fixedly arranged on the upper surface of the workbench; a cylinder is fixedly arranged on one side of the gantry beam; a first connecting part is fixedly arranged on the end of the telescopic shaft of the cylinder; the first connecting part is detachably connected to the knife pressing mechanism; the detachable connection allows the knife pressing to be flexibly replaced when pressing carton boards of different specifications.

[0008] Furthermore, the pressing mechanism includes a second connecting part, a cross fixedly arranged on the second connecting part, and a frame fixedly connected to the cross; the second connecting part is detachably connected to the first connecting part; the center point of the cross coincides with the center point of the second connecting part; the frame is a rectangular frame, and a pressing knife is provided at the bottom of the frame.

[0009] Furthermore, the thickness detection mechanism includes a threaded sleeve fixedly arranged on one side of the frame, a threaded detection rod threadedly connected to the threaded sleeve, and a detection head connected to the lower end of the threaded detection rod through a spring; a first sensor is also provided at the lower end of the threaded detection rod, and a second sensor is provided at the upper end of the detection head; an anti-slip handle is provided at the upper end of the threaded detection rod; the anti-slip handle facilitates the rotation of the threaded detection rod.

[0010] Furthermore, the transverse fixing mechanism includes a transverse driving mechanism, a first lead screw, a first guide rod, and a transverse clamping part; the transverse clamping part includes a left fixing part and a right fixing part; the transverse driving mechanism adopts a motor, and the output shaft of the transverse driving mechanism is coaxially fixedly connected to one end of the first lead screw; both ends and the middle part of the first lead screw are smooth rods, and there are left-handed and right-handed threads between the middle smooth rod and the two end smooth rods respectively; the left end face and the right end face of the first lead screw are respectively rotatably connected to the two vertical beams of the gantry; the first guide rod adopts a round rod, and the two end faces are respectively fixedly connected to the two vertical beams of the gantry, and the guide rod is parallel to the first lead screw and has the same direction.

[0011] Furthermore, the left fixing part adopts a rectangular plate, on which a left threaded hole and a left guide hole are provided; the left threaded hole is adapted to the first screw and is threadedly connected; the left guide hole is adapted to the left end thread of the first guide rod and is slidably connected; the right fixing part adopts a rectangular plate, on which a right threaded hole and a right guide hole are provided; the right threaded hole is adapted to the right end thread of the first screw and is threadedly connected; the right guide hole is adapted to the first guide rod and is slidably connected.

[0012] Furthermore, the longitudinal fixing mechanism includes a longitudinal driving mechanism, a second lead screw, a second guide rod, a longitudinal clamping part, and a rotating connection part; the front end, rear end and middle part of the second lead screw are all smooth rods, and the middle smooth rod and the two end smooth rods are respectively left-handed and right-handed threads; the front end and rear end are rotatably connected to the corresponding rotating connection parts; each rotating connection part is fixedly connected to the bottom surface of the workbench; a second guide rod is arranged between the two rotating connection parts; the longitudinal driving mechanism includes a second driving source, a driving gear and a transmission gear; the second driving source adopts a motor, and the driving gear is coaxially fixed on the output shaft of the second driving source; the transmission gear is coaxially sleeved in the middle part of the second lead screw; the transmission gear is meshed with the driving gear.

[0013] Furthermore, the longitudinal clamping part includes a front fixing part and a rear fixing part; the front fixing part structure is U-shaped, and both side walls are front clamping parts, and the bottom beam is provided with a threaded part adapted to the front side thread of the second lead screw, and a guide hole adapted to the second guide rod; the threaded part of the front fixing part is threadedly connected to the corresponding position of the second lead screw, and the guide hole is slidably connected to the second guide rod; the rear fixing part structure is U-shaped, and both side walls are rear clamping parts, and the bottom beam is provided with a threaded part adapted to the rear side thread of the second lead screw, and a guide hole adapted to the second guide rod; the threaded part of the rear fixing part is threadedly connected to the corresponding position of the second lead screw, and the guide hole is slidably connected to the second guide rod.

[0014] Furthermore, through grooves are provided in the left and right directions at the bottom of the left fixing portion and the right fixing portion, and pulleys are provided in the through grooves; the pulleys facilitate the placement of the carton board.

[0015] Furthermore, the upper surface of the workbench is provided with through holes, the number and positions of the through holes are adapted to the front clamping part and the rear clamping part; the front clamping part and the rear clamping part are slidably connected to the corresponding through holes.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The utility model provides a transverse fixing mechanism and a longitudinal fixing mechanism. The operator only needs to set the specifications of the transverse fixing mechanism and the longitudinal fixing mechanism in advance according to the specifications of the carton board, and then directly place the carton board into the placement space formed by the transverse fixing mechanism and the longitudinal fixing mechanism to quickly complete the centering positioning and clamping of the carton board.

[0018] 2. The utility model is provided with a thickness adjustment mechanism, which can prevent the pressing knife from over-pressing the carton board and affecting the yield of the carton board.

[0019] 3. The utility model is provided with a detachable pressing knife mechanism, so that the pressing knife can be flexibly replaced when pressing carton boards of different specifications; thereby making the equipment more versatile and further reducing production costs.

[0020] 4. The utility model further facilitates the placement of carton boards by arranging pulleys, thereby preventing the cartons from being scratched during the placement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 This is an axonometric diagram of the present utility model;

[0023] Figure 2 This is a schematic structural diagram of the longitudinal fixing mechanism of the present utility model;

[0024] Figure 3 This is a structural diagram of the second lead screw and the rotating connection part of the utility model;

[0025] Figure 4 This is a schematic diagram of the gantry structure of the utility model;

[0026] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of the middle part A;

[0027] Figure 6 It is a structural diagram of the thickness detection mechanism of the present utility model.

[0028] In the figure: 1. workbench; 2. gantry; 3. cylinder; 4. first connecting part; 5. second connecting part; 6. cross; 7. frame; 8. threaded sleeve; 9. thread detection rod; 10. detection head; 11. anti-slip handle; 12. left fixing part; 13. right fixing part; 14. transverse driving mechanism; 15. second lead screw; 16. second guide rod; 17. rotating connecting part; 18. second driving source; 19. driving gear; 20. transmission gear; 21. front fixing part; 22. rear fixing part; 23. front clamping part; 24. rear clamping part; 25. pulley; 26. through hole; 27. first lead screw; 28. first guide rod. DETAILED DESCRIPTION

[0029] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the illustrations, some commonly used structures and components are depicted in a simplified schematic manner.

[0030] See also Figures 1 to 6 The carton creasing device for carton production of the present invention includes a workbench 1, which is a rectangular plate; the upper surface of the workbench 1 is provided with a gantry 2, a transverse fixing mechanism, a thickness adjustment mechanism, and a knife pressing mechanism, and the lower surface is provided with a longitudinal fixing mechanism; the transverse fixing mechanism includes two transverse clamping parts that move toward or away from each other; the longitudinal fixing mechanism includes two longitudinal clamping parts that move toward or away from each other; the transverse fixing mechanism is driven by a transverse driving mechanism 14 to achieve transverse centering and fixation of the cardboard; the longitudinal fixing mechanism is driven by a longitudinal driving mechanism to achieve longitudinal centering and fixation of the cardboard.

[0031] In this embodiment, by setting up the transverse fixing mechanism and the longitudinal fixing mechanism, carton boards of different specifications can be fixed in the center; the operator only needs to set the specifications of the transverse fixing mechanism and the longitudinal fixing mechanism in advance according to the specifications of the carton board, and then place the carton board directly into the placement space formed by the transverse fixing mechanism and the longitudinal fixing mechanism, and the centering positioning and clamping of the carton board can be completed quickly; at the same time, the setting of the thickness adjustment mechanism can avoid excessive punching of the carton board by the press knife, which affects the yield of the carton board pressing.

[0032] In order to facilitate the pressing of carton boards of different specifications, in the utility model, the gantry 2 is an inverted U-shape, and the two ends of the bottom of the gantry 2 are fixedly arranged on the upper surface of the workbench 1; a cylinder 3 is fixedly arranged on one side of the crossbeam of the gantry 2; a first connecting part 4 is fixedly arranged on the end of the telescopic shaft of the cylinder 3; the first connecting part 4 is detachably connected to the knife pressing mechanism.

[0033] In this embodiment, through the detachable connection of the pressing knife mechanism, the pressing knife can be flexibly replaced when pressing carton boards of different specifications; thereby making the device more versatile and further reducing production costs.

[0034] In the present invention, the pressing mechanism includes a second connecting part 5, a cross 6 fixedly arranged on the second connecting part 5, and a frame 7 fixedly connected to the cross 6; the second connecting part 5 is detachably connected to the first connecting part 4; the center point of the cross 6 coincides with the center point of the second connecting part 5; the frame 7 is a rectangular frame, and a pressing knife is provided at the bottom of the frame 7.

[0035] In this embodiment, the carton board can be pressed by pressing the cylinder 3 downward to drive the pressing knife downward.

[0036] In the present utility model, the thickness detection mechanism includes a threaded sleeve 8 fixedly arranged on one side of the frame 7, a threaded detection rod 9 threadedly connected to the threaded sleeve 8, and the lower end of the threaded detection rod 9 is connected to the detection head 10 through a spring; the lower end of the threaded detection rod 9 is also provided with a first sensor, and the upper end of the detection head 10 is provided with a second sensor; the upper end of the threaded detection rod 9 is provided with an anti-slip handle 11.

[0037] In this embodiment, when it is necessary to press carton boards of different thicknesses, first rotate the anti-slip handle 11 to rotate the thread detection rod 9 to the corresponding position, and then press the carton boards; the cylinder 3 drives the pressing knife to press down; when the second sensor on the detection head 10 contacts the first sensor on the thread detection rod 9, it means that the pressing depth has reached the preset depth, and sends an electrical signal to the switch of the cylinder 3, causing the telescopic shaft of the cylinder 3 to stop pressing down and start to retract.

[0038] In the present invention, the transverse fixing mechanism includes a transverse driving mechanism 14, a first screw 27, a first guide rod 28, and a transverse clamping portion; the transverse clamping portion includes a left fixing portion 12 and a right fixing portion 13; the transverse driving mechanism 14 adopts a motor, and the output shaft of the transverse driving mechanism 14 is coaxially fixedly connected to one end of the first screw 27; both ends and the middle of the first screw 27 are polished rods, and the middle polished rod and the two end polished rods are respectively left-handed and right-handed; the left end face and the right end face of the first screw 27 are respectively rotatably connected to the two vertical beams of the gantry 2; the first guide rod 28 adopts a round rod, The two end faces are fixedly connected to the inner sides of the two corresponding vertical beams of the gantry 2 respectively, and the first guide rod 28 is parallel to the first screw 27 and has the same direction; the left fixed part 12 adopts a rectangular plate, and a left threaded hole and a left guide hole are provided on the rectangular plate; the left threaded hole is adapted to the first screw 27 and is threadedly connected; the left guide hole is adapted to the left end thread of the first guide rod 28 and is slidably connected; the right fixed part 13 adopts a rectangular plate, and a right threaded hole and a right guide hole are provided on the rectangular plate; the right threaded hole is adapted to the right end thread of the first screw 27 and is threadedly connected; the right guide hole is adapted to the first guide rod 28 and is slidably connected.

[0039] In this embodiment, the first screw 27 is driven by the transverse driving mechanism 14 to rotate forward or reverse, thereby causing the left fixing portion 12 and the right fixing portion 13 to move toward or away from each other, so that the transverse fixing mechanism can adapt to different widths of carton boards.

[0040] In the present utility model, the longitudinal fixing mechanism includes a longitudinal driving mechanism, a second lead screw 15, a second guide rod 16, a longitudinal clamping portion, and a rotating connecting portion 17; the front end, rear end and middle end of the second lead screw 15 are all polished rods, and the middle polished rod and the two end polished rods have left-handed and right-handed threads respectively; the front end and the rear end are rotatably connected to the corresponding rotating connecting portion 17 respectively; each rotating connecting portion 17 is fixedly connected to the bottom surface of the workbench 1 respectively; a second guide rod 16 is provided between the two rotating connecting portions 17; the longitudinal driving mechanism includes a second driving source 18, a driving gear 19 and a transmission gear 20; the second driving source 18 adopts a motor, and the driving gear 19 is coaxially fixed to the output shaft of the second driving source 18; the transmission gear 20 is coaxially sleeved on the second lead screw The middle part of 15; the transmission gear 20 is meshed with the driving gear 19; the longitudinal clamping part includes a front fixing part 21 and a rear fixing part 22; the front fixing part 21 has a U-shaped structure, and both side walls are front clamping parts 23, and the bottom beam is provided with a threaded part adapted to the front side thread of the second lead screw 15, and a guide hole adapted to the second guide rod 16; the threaded part of the front fixing part 21 is threadedly connected to the corresponding position of the second lead screw 15, and the guide hole is slidably connected to the second guide rod 16; the rear fixing part 22 has a U-shaped structure, and both side walls are rear clamping parts 24, and the bottom beam is provided with a threaded part adapted to the rear side thread of the second lead screw 15, and a guide hole adapted to the second guide rod 16; the threaded part of the rear fixing part 22 is threadedly connected to the corresponding position of the second lead screw 15, and the guide hole is slidably connected to the second guide rod 16.

[0041] In this embodiment, the second screw 15 is driven by the longitudinal drive mechanism to rotate forward or reverse, thereby causing the front fixing portion 21 and the rear fixing portion 22 to move toward or away from each other, so that the longitudinal fixing mechanism can adapt to the lengths of different carton boards; and the self-locking function of the thread enables this structure to form a stable state after completing the setting of carton boards of a predetermined specification.

[0042] In the present invention, in order to facilitate the placement of the carton board, through grooves are opened in the left and right directions at the bottom of the left fixing portion 12 and the right fixing portion 13, and pulleys 25 are provided in the through grooves.

[0043] In the present invention, the upper surface of the workbench 1 is provided with through holes 26 , the number and position of the through holes 26 are adapted to the front clamping portion 23 and the rear clamping portion 24 ; the front clamping portion 23 and the rear clamping portion 24 are slidably connected to the corresponding through holes 26 .

[0044] Usage process:

[0045] When it is necessary to indent carton boards of different specifications, the operator first removes the pressing knife and replaces it with the corresponding pressing knife; then, according to the specifications of the carton board, the operator sets the specifications of the horizontal fixing mechanism and the vertical fixing mechanism, and then directly places the carton board into the placement space formed by the horizontal fixing mechanism and the vertical fixing mechanism, and the centering positioning and clamping of the carton board can be quickly completed;

[0046] At the same time, the thickness adjustment mechanism is used. First, the thread detection rod 9 is rotated to the corresponding position by turning the anti-slip handle 11, and then the carton board is pressed; the cylinder 3 drives the pressing knife to press down; when the second sensor on the detection head 10 contacts the first sensor on the thread detection rod 9, it means that the pressing depth has reached the preset depth, and an electrical signal is sent to the switch of the cylinder 3, causing the telescopic shaft of the cylinder 3 to stop pressing down and start to retract;

[0047] Through the above technical means, effective indentation of carton boards of different specifications and thicknesses can be completed.

[0048] The above description is merely an embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A carton creasing device for carton production, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is provided with a gantry (2), a transverse fixing mechanism, a thickness adjustment mechanism, and a knife pressing mechanism, and the lower surface is provided with a longitudinal fixing mechanism; the transverse fixing mechanism includes two transverse clamping parts that move toward or away from each other; the longitudinal fixing mechanism includes two longitudinal clamping parts that move toward or away from each other; the transverse fixing mechanism is driven by a transverse driving mechanism (14) to achieve transverse centering and fixing of the paperboard; the longitudinal fixing mechanism is driven by a longitudinal driving mechanism to achieve longitudinal centering and fixing of the paperboard.

2. A carton creasing device for carton production according to claim 1, characterized in that: The gantry (2) is in an inverted U shape, with both ends of the bottom of the gantry (2) fixedly arranged on the upper surface of the workbench (1); a cylinder (3) is fixedly arranged on one side of the crossbeam of the gantry (2); a first connecting portion (4) is fixedly arranged on the end of the telescopic shaft of the cylinder (3); and the first connecting portion (4) is detachably connected to the knife pressing mechanism.

3. The carton creasing device for carton production according to claim 1, characterized in that: The knife pressing mechanism comprises a second connecting portion (5), a cross (6) fixedly arranged on the second connecting portion (5), and a frame (7) fixedly connected to the cross (6); the second connecting portion (5) is detachably connected to the first connecting portion (4); the center point of the cross (6) coincides with the center point of the second connecting portion (5); the frame (7) is a rectangular frame, and a knife pressing mechanism is provided at the bottom of the frame (7).

4. The carton creasing device for carton production according to claim 1, characterized in that: The thickness detection mechanism comprises a threaded sleeve (8) fixedly arranged on one side of the frame (7), a threaded detection rod (9) threadedly connected to the threaded sleeve (8), and a detection head (10) connected to the lower end of the threaded detection rod (9) via a spring; a first sensor is further provided at the lower end of the threaded detection rod (9), and a second sensor is provided at the upper end of the detection head (10); and an anti-slip handle (11) is provided at the upper end of the threaded detection rod (9).

5. The carton creasing device for carton production according to claim 1, characterized in that: The transverse fixing mechanism comprises a transverse driving mechanism (14), a first lead screw (27), a first guide rod (28), and a transverse clamping portion; the transverse clamping portion comprises a left fixing portion (12) and a right fixing portion (13); the transverse driving mechanism (14) adopts a motor, and the output shaft of the transverse driving mechanism (14) is coaxially fixedly connected with one end of the first lead screw (27); both ends and the middle of the first lead screw (27) are smooth rods, and there are left-handed threads and right-handed threads between the middle smooth rod and the two end smooth rods respectively; the left end face and the right end face of the first lead screw (27) are respectively rotatably connected to the two vertical beams of the gantry (2); the first guide rod (28) adopts a round rod, and the two end faces are respectively fixedly connected to the inner sides of the two corresponding vertical beams of the gantry (2), and the first guide rod (28) is parallel to the first lead screw (27) and has the same direction.

6. A carton creasing device for carton production according to claim 5, characterized in that: The left fixing portion (12) is a rectangular plate, on which a left threaded hole and a left guide hole are provided; the left threaded hole is adapted to the first lead screw (27) and is threadedly connected; the left guide hole is adapted to the left end thread of the first guide rod (28) and is slidably connected; the right fixing portion (13) is a rectangular plate, on which a right threaded hole and a right guide hole are provided; the right threaded hole is adapted to the right end thread of the first lead screw (27) and is threadedly connected; the right guide hole is adapted to the first guide rod (28) and is slidably connected.

7. The carton creasing device for carton production according to claim 1, characterized in that: The longitudinal fixing mechanism comprises a longitudinal driving mechanism, a second lead screw (15), a second guide rod (16), a longitudinal clamping portion, and a rotating connecting portion (17); the front end, rear end and middle portion of the second lead screw (15) are all polished rods, and the middle polished rod and the two end polished rods are respectively provided with a left-handed thread and a right-handed thread; the front end and the rear end are respectively rotatably connected to the corresponding rotating connecting portion (17); each rotating connecting portion (17) is respectively fixedly connected to the bottom surface of the workbench (1); a second guide rod (16) is provided between the two rotating connecting portions (17); the longitudinal driving mechanism comprises a second driving source (18), a driving gear (19) and a transmission gear (20); the second driving source (18) adopts a motor, and the driving gear (19) is coaxially fixedly provided on the output shaft of the second driving source (18); the transmission gear (20) is coaxially sleeved on the middle portion of the second lead screw (15); the transmission gear (20) is meshed with the driving gear (19).

8. The carton creasing device for carton production according to claim 6, characterized in that: The longitudinal clamping portion comprises a front fixing portion (21) and a rear fixing portion (22); the front fixing portion (21) is U-shaped, and both side walls are front clamping portions (23); the bottom beam is provided with a threaded portion adapted to the front side thread of the second lead screw (15), and a guide hole adapted to the second guide rod (16); the threaded portion of the front fixing portion (21) is threadedly connected to the corresponding position of the second lead screw (15), and the guide hole is slidably connected to the second guide rod (16); the rear fixing portion (22) is U-shaped, and both side walls are rear clamping portions (24); the bottom beam is provided with a threaded portion adapted to the rear side thread of the second lead screw (15), and a guide hole adapted to the second guide rod (16); the threaded portion of the rear fixing portion (22) is threadedly connected to the corresponding position of the second lead screw (15), and the guide hole is slidably connected to the second guide rod (16).

9. The carton creasing device for carton production according to claim 1, characterized in that: Through grooves are provided in the left and right directions of the bottoms of the left fixing portion (12) and the right fixing portion (13), and pulleys (25) are provided in the through grooves.

10. The carton creasing device for carton production according to claim 1, characterized in that: The upper surface of the workbench (1) is provided with through holes (26), the number and positions of the through holes (26) are adapted to the front clamping portion (23) and the rear clamping portion (24); the front clamping portion (23) and the rear clamping portion (24) are slidably connected to the corresponding through holes (26).

Images