CN110092041B - A folding device for corrugated cardboard - Google Patents

Abstract

The invention provides a flanging device for corrugated paper boards, and belongs to the technical field of corrugated paper boxes. The device comprises a conveying mechanism, a trimming mechanism and a trimming mechanism, wherein a conveying curtain of the conveying mechanism is arranged on a left conveying roller and a right conveying roller in a surrounding mode, a trimming support of the trimming mechanism is arranged on a trimming machine frame in a sliding mode, a trimming adjusting screw rod is connected with a trimming support screw rod, the lower end of a trimming piston rod of a trimming cylinder is connected with a trimming right-angle support frame, the trimming mechanism comprises a trimming guide assembly, a pre-trimming assembly and a trimming assembly, a pre-trimming roller of the pre-trimming assembly is rotatably arranged on the pre-trimming support, the trimming roller of the trimming assembly is rotatably arranged on the trimming support, and the horizontal distance between the trimming roller and the trimming right-angle support frame is smaller than that between the pre-trimming roller and the trimming right-angle support frame. The invention can rapidly realize the flanging processing of the corrugated board, has good flanging flatness and effectively avoids the damage of the corrugated board in the flanging process.

Description

A folding device for corrugated cardboard

Technical Field

The invention relates to the technical field of corrugated paper box processing, in particular to a folding device for corrugated paperboard.

Background technique

Corrugated paper box, also known as corrugated paper box, cardboard box, larger ones are also called corrugated paper box, corrugated paper box, cardboard box, sometimes referred to as carton, is a box made of corrugated paper or pasted together, often used to package items for easy transportation. Corrugated cardboard is the basis for the production of corrugated paper boxes. Corrugated paper boxes are paper packaging containers made of corrugated base paper, core paper and boxboard paper through multiple processes such as corrugating, gluing, drying, slitting, creasing, printing, slotting, nailing or gluing. Corrugated cardboard is a multi-layer adhesive body, which consists of at least one layer of corrugated core paper interlayer and one layer of cardboard. It has high mechanical strength and can withstand collisions and falls during transportation. In the process of making corrugated paper boxes, folding is the most important process. After folding, it can be sealed with tape. At present, in the production process of corrugated paper boxes, the folding of corrugated paperboard is generally done manually. Due to the poor accuracy of the position of manual folding, and the folding operation is laborious and laborious, the production efficiency is very low. At present, there are some simple folding devices on the market, the principle of which is to use the pressure of the folding knife to achieve folding. Although such folding processing improves production efficiency, its folding flatness is poor, and the corrugated cardboard will be damaged during the folding process.

Summary of the invention

The purpose of the present invention is to provide a folding device for corrugated cardboard, which can quickly realize the folding processing of the corrugated cardboard, has high production efficiency, and has good folding flatness, and effectively avoids the corrugated cardboard from being damaged during the folding process.

The technical solution adopted by the present invention to solve the technical problem is:

A folding device for corrugated cardboard, comprising a frame base, a conveying mechanism, a pressing mechanism, and a rolling mechanism, wherein the conveying mechanism comprises a conveying frame, a conveying frame support leg, a left conveying roller, a right conveying roller, a conveying curtain, a conveying support plate, a conveying motor, a conveying motor support, a first conveying belt wheel, a second conveying belt wheel, and a conveying conveyor belt, wherein the conveying frame is installed on the frame base through the conveying frame support leg, the left conveying roller is rotatably arranged at the left end of the conveying frame, the right conveying roller is rotatably arranged at the right end of the conveying frame, the conveying curtain is arranged around the left conveying roller and the right conveying roller, the conveying support plate is installed on the conveying frame, the conveying support plate is located between the left conveying roller and the right conveying roller, the second conveying belt wheel is coaxially arranged on one side of the left conveying roller, the conveying motor is installed on the conveying motor support, and the conveying belt wheel is coaxially arranged on the left side of the left conveying roller, and the conveying motor is installed on the conveying motor support. The conveying motor support is fixed on the conveying frame support leg, the conveying motor and the first conveying belt wheel are coaxially connected, the first conveying belt wheel and the second conveying belt wheel are connected through the conveying conveyor belt, the edge pressing mechanism is arranged on the upper right side of the conveying mechanism, and the edge pressing mechanism includes an edge pressing frame, an edge pressing frame support leg, an edge pressing support, an edge pressing adjustment screw, an edge pressing adjustment screw support, an edge pressing motor, an edge pressing cylinder, and an edge pressing right-angle support frame. The edge pressing frame is installed on the frame base through the edge pressing frame support leg. The edge pressing support can be slid left and right on the edge pressing frame. The number of the edge pressing adjustment screw supports is two, which are respectively installed on both sides of the lower end of the edge pressing frame. The edge pressing adjustment screw can be rotatably arranged on two edge pressing adjustment screw supports. The edge pressing adjustment motor is installed on the edge pressing adjustment screw support. The energy-saving motor and the edge pressing adjustment screw are coaxially connected, the edge pressing adjustment screw is connected to the edge pressing support screw, the edge pressing cylinder includes an edge pressing cylinder body and an edge pressing piston rod, the upper end of the edge pressing cylinder body is fixed on the edge pressing support, the lower end of the edge pressing piston rod is connected to the edge pressing right-angle support frame, the edge pressing right-angle support frame includes a right-angle support plate and a connecting frame, the connecting frame is fixed at the corner of the right-angle support plate, the lower end of the edge pressing piston rod is connected to the connecting frame, the rolling mechanism is arranged at the right end of the conveying mechanism, the rolling mechanism includes a rolling base, a rolling cylinder, a rolling guide assembly, a rolling support seat, a pre-rolling assembly, and a rolling assembly, the rolling base is fixed on the frame base, the rolling cylinder includes a rolling cylinder body and a rolling piston rod, the rolling cylinder body is fixed on the rolling base, the upper end of the rolling piston rod and the rolling The support seat is connected, and a roll guide assembly is also arranged between the roll support seat and the roll base, and the roll guide assembly includes a roll guide rod and a roll guide sleeve, the upper end of the roll guide rod is fixed on the roll support seat, and the lower end of the roll guide sleeve is fixed on the roll base, and the roll guide rod and the roll guide sleeve are relatively slidably connected up and down, and the pre-rolling assembly and the roll assembly are both arranged on the left side of the roll support seat, and the pre-rolling assembly is located on the upper side of the roll assembly, and the pre-rolling assembly includes a pre-rolling roller and a pre-rolling support, and the pre-rolling roller can be rotatably arranged on the pre-rolling support, and the roll assembly includes a roll roller and a roll support, and the roll roller can be rotatably arranged on the roll support, and the horizontal distance between the roll roller and the edge pressing right-angle support frame is smaller than the horizontal distance between the pre-rolling roller and the edge pressing right-angle support frame.

Furthermore, the left and right ends of the conveying support plate are configured as arc surfaces, and are coaxial with the left conveying roller and the right conveying roller, respectively.

Furthermore, the number of the rolling guide assemblies is more than two groups.

Furthermore, the hemming roller and the pre-hemming roller are both rubber rollers.

Furthermore, the edge pressing adjustment motor is a servo motor.

Compared with the prior art, the present invention has the following advantages and effects: the conveying motor is activated, and the left conveying roller is driven to rotate clockwise through the first conveying pulley, the conveying belt, and the second conveying pulley, and the corrugated cardboard is smoothly conveyed to the right under the drive of the conveying curtain. The left and right ends of the conveying support plate are set as arc surfaces, and are coaxial with the left conveying roller and the right conveying roller respectively. The transition between the two ends of the conveying support plate and the left conveying roller and the right conveying roller is smooth, and the supporting effect is good, which is conducive to the smooth conveying of the corrugated cardboard and also conducive to the folding processing. After conveying to the specified position, the conveying motor stops, the edge pressing piston rod of the edge pressing cylinder extends, and drives the edge pressing right-angle support frame to move downward, and the lower side of the right-angle support plate realizes the compression of the corrugated cardboard. Then, the edge rolling piston rod of the edge rolling cylinder extends, and drives the edge rolling support seat to move upward. The setting of the edge rolling guide assembly ensures the stability of the up and down movement of the edge rolling support seat. As the hemming support seat moves upward, the pre-rolling roller installed on the pre-rolling support seat first realizes the pre-rolling of the corrugated cardboard, and then the hemming roller installed on the hemming support seat realizes the rolling of the corrugated cardboard, thereby realizing the folding of the corrugated cardboard. The dual structure of pre-rolling and rolling is conducive to improving the reliability of folding. Both the hemming roller and the pre-rolling roller are rubber rollers, which not only have a good hemming effect, but also can effectively avoid damage to the corrugated cardboard during the hemming process. After the hemming is completed, the hemming cylinder drives the hemming support seat to move downward, and then the conveying motor moves again to feed the corrugated cardboard that has completed the hemming process to the right, and the next corrugated cardboard to be folded is sent to the bottom of the hemming mechanism. When the thickness of the corrugated cardboard changes, the hemming position needs to be adjusted. The hemming adjustment motor drives the hemming support seat to slide left and right through the hemming adjustment screw to realize the adjustment of the left and right position of the hemming right-angle support frame. The hemming adjustment motor is a servo motor with adjustable speed and very precise rotation angle, which is conducive to the precise adjustment of the left and right position of the hemming right-angle support frame. The invention can quickly realize the folding processing of the corrugated paperboard, has high production efficiency, and has good folding flatness, and effectively avoids the damage of the corrugated paperboard during the folding process.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the edge pressing mechanism of the present invention.

FIG. 3 is a schematic structural diagram of the hemming mechanism of the present invention.

In the figure: 1. frame base, 2. conveying mechanism, 3. edge pressing mechanism, 4. edge rolling mechanism, 5. conveying frame, 6. conveying frame support leg, 7. left conveying roller, 8. right conveying roller, 9. conveying curtain, 10. conveying support plate, 11. conveying motor, 12. conveying motor support, 13. first conveying pulley, 14. second conveying pulley, 15. conveying conveyor belt, 16. edge pressing frame, 17. edge pressing frame support leg, 18. edge pressing support, 19. edge pressing adjustment screw rod, 20. edge pressing adjustment screw rod support, 21. edge pressing Adjusting motor, 22. Edge pressing cylinder, 23. Edge pressing right angle support frame, 24. Edge pressing cylinder body, 25. Edge pressing piston rod, 26. Right angle support plate, 27. Connecting frame, 28. Rolling base, 29. Rolling cylinder, 30. Rolling guide assembly, 31. Rolling support seat, 32. Pre-rolling assembly, 33. Rolling assembly, 34. Rolling cylinder body, 35. Rolling piston rod, 36. Rolling guide rod, 37. Rolling guide sleeve, 38. Pre-rolling roller, 39. Pre-rolling support, 40. Rolling roller, 41. Rolling support.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

As shown in Figures 1, 2 and 3, a folding device for corrugated cardboard includes a frame base 1, a conveying mechanism 2, a pressing mechanism 3, and a rolling mechanism 4. The conveying mechanism 2 includes a conveying frame 5, a conveying frame leg 6, a left conveying roller 7, a right conveying roller 8, a conveying curtain 9, a conveying support plate 10, a conveying motor 11, a conveying motor support 12, a first conveying belt wheel 13, a second conveying belt wheel 14, and a conveying conveyor belt 15. The conveying frame 5 is installed on the frame base 1 through the conveying frame leg 6, and the left conveying roller 7 can be rotatably arranged on the left side of the conveying frame 5. The right conveying roller 8 is rotatably arranged at the right end of the conveying frame 5, the conveying curtain 9 is arranged around the left conveying roller 7 and the right conveying roller 8, the conveying support plate 10 is installed on the conveying frame 5, the conveying support plate 10 is located between the left conveying roller 7 and the right conveying roller 8, the left and right ends of the conveying support plate 10 are arranged as arc surfaces, and are coaxial with the left conveying roller 7 and the right conveying roller 8 respectively, the transition between the two ends of the conveying support plate 10 and the left conveying roller 7 and the right conveying roller 8 is smooth, the supporting effect is good, which is beneficial to the smooth transportation of the corrugated cardboard and also beneficial to the folding processing. The second conveyor pulley 14 is coaxially arranged on one side of the left conveyor roller 7, the conveying motor 11 is installed on the conveying motor support 12, the conveying motor support 12 is fixed on the conveying frame leg 6, the conveying motor 11 and the first conveyor pulley 13 are coaxially connected, the first conveyor pulley 13 and the second conveyor pulley 14 are connected through the conveying belt 15, the edge pressing mechanism 3 is arranged on the upper right side of the conveying mechanism 2, the edge pressing mechanism 3 includes an edge pressing frame 16, an edge pressing frame leg 17, an edge pressing support 18, an edge pressing adjustment screw 19, an edge pressing adjustment screw support 20, an edge pressing adjustment motor 21, an edge pressing cylinder 22, and an edge pressing right-angle support frame 23, the edge pressing frame 16 is installed on the frame base 1 through the edge pressing frame leg 17, the edge pressing support 18 can be slidably arranged on the edge pressing frame 16 left and right, and the number of the edge pressing adjustment screw support 20 is two, which are respectively installed under the edge pressing frame 16 On both sides of the end, the edge pressing adjustment screw 19 is rotatably arranged on two edge pressing adjustment screw supports 20, and the edge pressing adjustment motor 21 is installed on the edge pressing adjustment screw support 20, the edge pressing adjustment motor 21 and the edge pressing adjustment screw 19 are coaxially connected, the edge pressing adjustment screw 19 and the edge pressing support 18 are screw-connected, the edge pressing cylinder 22 includes a edge pressing cylinder body 24 and a edge pressing piston rod 25, the upper end of the edge pressing cylinder body 24 is fixed on the edge pressing support 18, the lower end of the edge pressing piston rod 25 is connected to the edge pressing right-angle support frame 23, the edge pressing right-angle support frame 23 includes a right-angle support plate 26 and a connecting frame 27, the connecting frame 27 is fixed at the corner of the right-angle support plate 26, the lower end of the edge pressing piston rod 25 is connected to the connecting frame 27, the edge pressing adjustment motor 21 is a servo motor with adjustable speed and very precise rotation angle, which is conducive to the precise adjustment of the left and right positions of the edge pressing right-angle support frame 23. The hemming mechanism 4 is arranged at the right end of the conveying mechanism 2, and the hemming mechanism 4 includes a hemming base 28, a hemming cylinder 29, a hemming guide assembly 30, a hemming support seat 31, a pre-hemming assembly 32, and a hemming assembly 33. The hemming base 28 is fixed on the frame base 1, and the hemming cylinder 29 includes a hemming cylinder body 34 and a hemming piston rod 35. The hemming cylinder body 34 is fixed on the hemming base 28, and the upper end of the hemming piston rod 35 is connected to the hemming support seat 31. The hemming support seat 31 and the hemming A rolling guide assembly 30 is also arranged between the bases 28, and the rolling guide assembly 30 includes a rolling guide rod 36 and a rolling guide sleeve 37. The upper end of the rolling guide rod 36 is fixed on the rolling support seat 31, and the lower end of the rolling guide sleeve 37 is fixed on the rolling base 28. The rolling guide rod 36 and the rolling guide sleeve 37 are relatively slidably connected up and down. The number of the rolling guide assemblies 30 is more than two groups, and the guiding effect is good, which is beneficial to the smooth up and down movement of the rolling support seat 31 and the rolling process. The pre-rolling component 32 and the rolling component 33 are both arranged on the left side of the rolling support seat 31, the pre-rolling component 32 is located on the upper side of the rolling component 33, the pre-rolling component 32 includes a pre-rolling roller 38 and a pre-rolling support 39, the pre-rolling roller 38 is rotatably arranged on the pre-rolling support 39, the rolling component 33 includes a rolling roller 40 and a rolling support 41, the rolling roller 40 is rotatably arranged on the rolling support 41, and the horizontal distance between the rolling roller 40 and the edge pressing right angle support frame 23 is less than the horizontal distance between the pre-rolling roller 38 and the edge pressing right angle support frame 23. The rolling roller 40 and the pre-rolling roller 38 are both rubber rollers, which not only have a good rolling effect, but also can effectively avoid damage to the corrugated cardboard during the rolling process.

Through the above technical scheme, when the folding device of the corrugated cardboard of the present invention is used, the conveying motor 11 is operated, and the left conveying roller 7 is driven to rotate clockwise through the first conveying belt wheel 13, the conveying conveyor belt 15, and the second conveying belt wheel 14, and the corrugated cardboard is smoothly conveyed to the right under the drive of the conveying curtain 9. After conveying to the specified position, the conveying motor 11 stops, the edge pressing piston rod 25 of the edge pressing cylinder 22 extends, drives the edge pressing right-angle support frame 23 to move downward, and the lower side of the right-angle support plate 26 realizes the compression of the corrugated cardboard. Then, the rolling piston rod 35 of the rolling cylinder 29 extends, drives the rolling support seat 31 to move upward, and the setting of the rolling guide assembly 30 ensures the stability of the rolling support seat 31 moving up and down. As the rolling support seat 31 moves upward, the pre-rolling roller 38 installed on the pre-rolling support 39 first realizes the pre-rolling of the corrugated cardboard, and then the rolling roller 40 installed on the rolling support 41 realizes the rolling of the corrugated cardboard, thereby realizing the folding processing of the corrugated cardboard. The dual structure of pre-rolling and rolling is conducive to improving the reliability of folding. After the folding is completed, the rolling cylinder 29 drives the rolling support seat 31 to move downward, and then the conveying motor 11 moves again to feed the corrugated cardboard that has completed the folding process to the right, and the next corrugated cardboard to be folded is sent to the bottom of the edge pressing mechanism 3. When the thickness of the corrugated cardboard changes, the edge pressing position needs to be adjusted. The edge pressing adjustment motor 21 drives the edge pressing support 18 to slide left and right through the edge pressing adjustment screw 19 to adjust the left and right position of the edge pressing right-angle support frame 23. The present invention can quickly realize the folding process of the corrugated cardboard, has high production efficiency, and has good folding flatness, which effectively avoids the damage of the corrugated cardboard during the folding process.

The above contents described in this specification are merely examples of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, as long as they do not deviate from the contents of the present specification or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims (1)

1. A folding device for corrugated cardboard, characterized in that it comprises a frame base, a conveying mechanism, a pressing mechanism, and a rolling mechanism, wherein the conveying mechanism comprises a conveying frame, a conveying frame leg, a left conveying roller, a right conveying roller, a conveying curtain, a conveying support plate, a conveying motor, a conveying motor support, a first conveying belt wheel, a second conveying belt wheel, and a conveying conveyor belt, wherein the conveying frame is installed on the frame base through the conveying frame leg, the left conveying roller is rotatably arranged on the left end of the conveying frame, the right conveying roller is rotatably arranged on the right end of the conveying frame, the conveying curtain is surrounded and arranged on the left conveying roller and the right conveying roller, the conveying support plate is installed on the conveying frame, the left and right ends of the conveying support plate are arranged as arc surfaces, and are respectively coaxial with the left conveying roller and the right conveying roller, the conveying support plate is located between the left conveying roller and the right conveying roller, and the second conveying belt wheel is coaxially arranged on the left conveying roller On one side, the conveying motor is installed on the conveying motor support, and the conveying motor support is fixed on the conveying frame leg. The conveying motor and the first conveying belt wheel are coaxially connected, and the first conveying belt wheel and the second conveying belt wheel are connected through the conveying conveyor belt. The edge pressing mechanism is arranged on the upper right side of the conveying mechanism, and the edge pressing mechanism includes an edge pressing frame, an edge pressing frame support leg, an edge pressing support, an edge pressing adjustment screw, an edge pressing adjustment screw support, an edge pressing motor, an edge pressing cylinder, and an edge pressing right-angle support frame. The edge pressing frame is installed on the frame base through the edge pressing frame support leg. The edge pressing support can be slid left and right on the edge pressing frame. The number of the edge pressing adjustment screw supports is two, which are respectively installed on both sides of the lower end of the edge pressing frame. The edge pressing adjustment screw can be rotatably arranged on two edge pressing adjustment screw supports. The edge pressing adjustment motor is installed on the edge pressing adjustment screw support. The motor and the edge pressing adjustment screw are coaxially connected, the edge pressing adjustment screw is connected to the edge pressing support screw, the edge pressing cylinder comprises an edge pressing cylinder body and an edge pressing piston rod, the upper end of the edge pressing cylinder body is fixed on the edge pressing support, the lower end of the edge pressing piston rod is connected to the edge pressing right-angle support frame, the edge pressing right-angle support frame comprises a right-angle support plate and a connecting frame, the connecting frame is fixed at the corner of the right-angle support plate, the lower end of the edge pressing piston rod is connected to the connecting frame, the rolling mechanism is arranged at the right end of the conveying mechanism, the rolling mechanism comprises a rolling base, a rolling cylinder, a rolling guide assembly, a rolling support seat, a pre-rolling assembly, and a rolling assembly, the rolling base is fixed on the frame base, the rolling cylinder comprises a rolling cylinder body and a rolling piston rod, the rolling cylinder body is fixed on the rolling base, the upper end of the rolling piston rod is connected to the rolling support seat, and a The roller guide assembly comprises more than two groups of roller guide assemblies, the roller guide assembly comprises a roller guide rod and a roller guide sleeve, the upper end of the roller guide rod is fixed on the roller support seat, the lower end of the roller guide sleeve is fixed on the roller base, the roller guide rod and the roller guide sleeve are relatively slidably connected up and down, the pre-rolling assembly and the roller assembly are both arranged on the left side of the roller support seat, the pre-rolling assembly is located on the upper side of the roller assembly, the pre-rolling assembly comprises a pre-rolling roller and a pre-rolling support, the pre-rolling roller can be rotatably arranged on the pre-rolling support, the roller assembly comprises a roller and a roller support, the roller can be rotatably arranged on the roller support, the horizontal distance between the roller and the edge pressing right-angle support frame is smaller than the horizontal distance between the pre-rolling roller and the edge pressing right-angle support frame, the roller roller and the pre-rolling roller are both rubber rollers, and the edge pressing adjustment motor is a servo motor.