CN112643775A

CN112643775A - Cutting processing method for hard paperboard

Info

Publication number: CN112643775A
Application number: CN202011429036.3A
Authority: CN
Inventors: 邓永杰
Original assignee: Nanjing Liangjingjing Office Supplies Co ltd
Current assignee: Nanjing Liangjingjing Office Supplies Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-04-13

Abstract

The invention relates to a cutting processing method of a hard paperboard, in particular to a cut shaping device after cutting of the hard paperboard, which comprises a conveying table, a paperboard conveyor, a conveying guide mechanism, a lateral carry assembly, an adjustable holding and clamping mechanism and a blowing shaping assembly, wherein the conveying table is arranged on the conveying table; the invention provides a cutting processing method of a hard paperboard, and particularly relates to a device for shaping a cut of a cut hard paperboard, wherein the cut position of the cut corrugated paperboard can be shaped by a blowing and expanding mode and a rolling shaping matching mode, so that the collapsed cut position is restored to a flat state, the flatness of the edge of the corrugated paperboard is ensured, and in addition, the whole device can be used for shaping the cuts of the corrugated paperboards with different thicknesses.

Description

Cutting processing method for hard paperboard

Technical Field

The invention relates to the technical field of paperboard processing, and particularly provides a cutting processing method for a hard paperboard.

Background

The hard paperboard is specifically a corrugated paperboard, and the corrugated paperboard is a multi-layer adhesive paperboard which is a multi-layer paperboard structure processed by at least one layer of wavy sandwich board core and a board surface paperboard adhered in an adhesive bonding mode; corrugated cardboard has high mechanical strength due to its structural characteristics, can resist collision and falling in the carrying process, and is widely used as a carton packaging material.

The corrugated board is required to be cut into various required standard sizes in a cutting mode after being produced and formed, and due to the layer structure characteristics of the corrugated board, the cut is easy to collapse and deform after being cut, so that the flatness of the cut is influenced, the use quality of the corrugated board is influenced, and the cut of the corrugated board needs to be shaped after being cut.

Based on the problems, the invention provides a cutting processing method of a hard paperboard, and particularly relates to a cut shaping device after cutting of the hard paperboard.

Disclosure of Invention

In order to solve the above problems, the present invention provides a method for cutting and processing hard paperboard, which is used to solve the above problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a cutting processing method of a hard paperboard specifically comprises the following steps:

s1, longitudinal cutting: longitudinally cutting the large-size hard paperboard according to the required size;

s2, transverse cutting: further transversely cutting the paperboard cut in step S1 according to the desired paperboard size, thereby obtaining a paperboard of the desired size;

s3, incision shaping: deburring the cut position of the paperboard obtained by cutting in the step S2, and shaping the cut of the paperboard by a cut shaping device after cutting the hard paperboard;

s4, stacking: the shaped hard paperboards are stacked orderly and then are stacked in a centralized manner;

the hard paperboard cutting method in the steps S1-S4 is adopted to cut and shape the hard paperboard, and the cut shaping device after cutting the hard paperboard further comprises a conveying table, a paperboard conveyor, a conveying guide mechanism, a lateral carry assembly, an adjustable clamping mechanism and a blowing shaping assembly; the conveying table is provided with two paperboard conveyors in a horizontal direction, and a gap is reserved between the two paperboard conveyors; the conveying guide mechanism is arranged on the conveying platform, is positioned above the conveying end face of one of the paperboard conveyors and is arranged close to the gap; the lateral carry assemblies are correspondingly arranged on two sides of the conveying table, and the two lateral carry assemblies are positioned in the gap and are arranged on two sides of the conveying direction of the paperboard conveyor in a mirror symmetry mode; the two adjustable holding and clamping mechanisms and the two air blowing shaping assemblies are arranged on the two lateral carry assemblies correspondingly, and are distributed on two sides of the conveying direction of the paperboard conveyor in a mirror symmetry manner; wherein:

the lateral carry assembly comprises a stroke frame which is positioned in the gap and can move vertically relative to the conveying direction of the paperboard conveyor;

the adjustable clamping mechanism comprises an adjusting screw rod, a guide pillar, a rotary roller supporting plate and an electric rotary roller; the adjusting screw rod is vertically and rotatably arranged on the stroke frame, two guide posts are vertically arranged on the stroke frame and distributed on two sides of the adjusting screw rod, the roller bearing plate is in threaded connection with the adjusting screw and is vertically arranged between the two guide columns in a sliding manner, a plurality of rows of electric rotating rollers which are uniformly distributed along the conveying direction of the paper board are horizontally and rotatably arranged on the rotating supporting plate, a plurality of rows of electric rollers uniformly distributed along the paperboard conveying direction are horizontally and rotatably arranged on the stroke frame, a row of electric rollers positioned on the rotating supporting plate is distributed right above a row of electric rollers positioned on the stroke frame and vertically arranged in a one-to-one opposite manner, and the horizontal tangent plane at the upper end of the row of electric rollers positioned on the stroke frame is flush with the conveying end face of the paperboard conveyor;

the air blowing and shaping assembly comprises four hinged rods, two air pipes and two guide pins, the hinged rods are of a shear type structure and are hinged continuously, the shear type structure is hinged up and down and is arranged between the roller bearing plate and the stroke frame, the air pipes are fixed at two groups in a one-to-one correspondence mode, the hinged rods are hinged in an X-hinged mode, the bottom ends of the guide pins are fixedly connected to the stroke frame, the guide pins and the roller bearing plate are arranged in a vertical sliding fit mode, the air pipes are arranged between the guide pins in a vertical sliding mode, and a plurality of air nozzles distributed along the conveying direction of the paper boards are arranged at the front side ends of the air pipes.

Preferably, the conveying guide mechanism comprises a bidirectional adjusting screw rod and two conveying guide assemblies, the bidirectional adjusting screw rod is horizontally and rotatably arranged on the conveying frame, the two conveying guide assemblies are distributed above the conveying end surface of the paperboard conveyor, and the two conveying guide assemblies are correspondingly arranged on two thread sections with opposite thread turning directions on the bidirectional adjusting screw rod one by one; the conveying guide assembly comprises a roller frame, a guide shaft, rotating rollers and a guide conveying belt, the roller frame is in threaded connection with the bidirectional adjusting screw rod, the guide shaft is fixedly connected with the roller frame and is in horizontal sliding fit with the side wall of the conveying table, the three rotating rollers are vertically arranged on the roller frame in a rotating mode and are located at the three vertex positions of a triangle, and the guide conveying belt is sleeved on the three rotating rollers; the relative spacing of the two conveying guide assemblies is gradually reduced towards the approaching direction of the gap.

Preferably, the lateral carry assembly further comprises a carry cylinder fixedly mounted on the side wall of the conveying table, and the stroke frame is fixedly connected with the output end of the carry cylinder.

Preferably, both sides of the air pipe are provided with air inlets.

Preferably, the two ends of the bidirectional adjusting screw rod are provided with a first hand wheel; and a second hand wheel is arranged at the top end of the adjusting screw rod.

The technical scheme has the following advantages or beneficial effects:

1. the invention provides a cutting processing method of a hard paperboard, and particularly relates to a cut shaping device of the cut hard paperboard, wherein the cut corrugated paperboard to be shaped is automatically conveyed by an arranged paperboard conveyor, in the conveying process, the cut positions at two sides are respectively blown by blowing shaping components arranged at two sides, the collapsed cut is expanded by blown high-pressure air, and two rows of electric rotating rollers which are distributed up and down in an adjustable holding and clamping mechanism are used as shaping rollers to roll and shape the cut of the corrugated paperboard, so that the collapsed cut position of the corrugated paperboard is restored to a flat state again;

2. the invention provides a cutting processing method of a hard paperboard, and particularly relates to a cut shaping device after cutting of the hard paperboard, wherein shaping of two rows of electric rotating rollers which are distributed up and down in an adjustable holding mechanism can be correspondingly adjusted according to corrugated boards with different thicknesses through gaps, and the structural design of a blowing shaping assembly enables adjustment to be synchronously completed along with the adjustment of the adjustable holding mechanism in the adjustment process, so that the shaping requirement on the cutting cut of the corrugated boards with different thicknesses is met;

in summary, the invention provides a cutting method for a hard paperboard, and particularly relates to a device for shaping a cut of a cut hard paperboard, wherein the cut position of the cut corrugated paperboard can be shaped by a blowing and expanding mode and a rolling shaping mode, so that the collapsed cut position is restored to a flat state, the flatness of the edge of the corrugated paperboard is ensured, and in addition, the whole device can be used for shaping the cut of the corrugated paperboard with different thicknesses.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a flow chart of a method for cutting a hard paperboard according to the present invention;

FIG. 2 is a schematic perspective view of a cut-shaping device for a cut-out rigid paperboard according to the present invention from a viewing angle;

FIG. 3 is a schematic perspective view of a cut-shaping device for a cut-out of a cut-out rigid paperboard according to the present invention from another perspective;

FIG. 4 is an enlarged partial schematic view at A of FIG. 3;

FIG. 5 is a top view of a post-cut shaping device for rigid paperboard provided in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line B-B in FIG. 5

FIG. 7 is an enlarged partial schematic view at C of FIG. 6;

FIG. 8 is a front view of a post-cut shaping device for rigid paperboard provided in accordance with the present invention;

FIG. 9 is a perspective view of the blow shaping assembly.

In the figure: 1. a conveying table; 2. a paperboard conveyor; 3. a conveying guide mechanism; 31. a bidirectional adjusting screw rod; 311. a first hand wheel; 32. a delivery guide assembly; 321. a roller frame; 322. a guide shaft; 323. a rotating roller; 324. guiding the conveying belt; 4. a lateral carry assembly; 41. a carry cylinder; 42. a stroke frame; 5. an adjustable clamping mechanism; 51. adjusting the screw rod; 511. a second hand wheel; 52. a guide post; 53. a roller support plate; 54. an electric roller; 6. a blowing shaping component; 61. a hinged lever; 62. an air tube; 621. an air inlet; 622. an air tap; 63. and a guide pin.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to the attached drawings 1-9, a method for cutting and processing a hard paperboard specifically comprises the following steps:

the hard paperboard cutting method in the steps S1-S4 is adopted to cut and shape the hard paperboard, and the cut shaping device after cutting the hard paperboard further comprises a conveying table 1, a paperboard conveyor 2, a conveying guide mechanism 3, a lateral carry assembly 4, an adjustable holding and clamping mechanism 5 and a blowing shaping assembly 6; two paperboard conveyors 2 are distributed on the conveying table 1 in the horizontal direction, and a gap is reserved between the two paperboard conveyors 2; the conveying guide mechanism 3 is arranged on the conveying platform 1, and the conveying guide mechanism 3 is positioned above the conveying end face of one of the paperboard conveyors 2 and is close to the gap; the two sides of the conveying table 1 are correspondingly provided with lateral carry components 4, and the two lateral carry components 4 are positioned in the gap and are arranged on the two sides of the conveying direction of the paperboard conveyor 2 in a mirror symmetry manner; the two lateral carry assemblies 4 are correspondingly provided with adjustable clamping mechanisms 55 and air blowing shaping assemblies 6, and the two adjustable clamping mechanisms 5 and the two air blowing shaping assemblies 6 are symmetrically distributed on two sides of the conveying direction of the paperboard conveyor 2 in a mirror image mode;

the conveying guide mechanism 3 comprises a bidirectional adjusting screw rod 31 and two conveying guide components 32, the bidirectional adjusting screw rod 31 is horizontally and rotatably arranged on the conveying frame, first hand wheels 311 are arranged at two ends of the bidirectional adjusting screw rod 31, the two conveying guide components 32 are distributed above the conveying end surface of the paperboard conveyor 2, and the two conveying guide components 32 are correspondingly arranged on two thread sections with opposite thread turning directions on the bidirectional adjusting screw rod 31 one by one; the conveying guide assembly 32 comprises a roller frame 321, a guide shaft 322, rotating rollers 323 and a guide conveying belt 324, the roller frame 321 is in threaded connection with the bidirectional adjusting screw 31, the guide shaft 322 is fixedly connected with the roller frame 321 and is in horizontal sliding fit with the side wall of the conveying table 1, the roller frame 321 is vertically and rotatably provided with three rotating rollers 323, the three rotating rollers 323 are located at three vertex positions of a triangle, and the guide conveying belt 324 is sleeved on the three rotating rollers 323; the relative spacing of the two feed guide assemblies 32 decreases progressively towards the approach of the gap.

The two paper board conveyors 2 are used for inputting and outputting in the corrugated board notch shaping process, the conveying guide mechanism 3 is arranged above one paper board conveyor 2, and the corrugated boards are conveyed forwards from the paper board conveyor 2;

after the rigid corrugated board is cut into corrugated boards with required specification and size through the steps of S1 and S2, before the device is used for executing the step of S3 notch shaping operation, the conveying guide mechanism 3 needs to be adjusted correspondingly, namely the minimum passing gap between the two conveying guide components 32 is equal to the distance between the notches to be shaped on the two sides of the corrugated board, specifically, the first hand wheel 311 on any side is manually rotated to drive the bidirectional adjusting screw 31 to rotate, then the bidirectional adjusting screw 31 drives the two conveying guide components 32 to move in the opposite direction or the opposite direction, and the relative interval is not adjusted and changed so that the distance between the two conveying guide components 32 and the notches on the two sides of the corrugated board to be processed is basically equal (in principle, the passing interval is slightly larger than the interval); carry out the aim at of corresponding regulation to conveying guiding mechanism 3, can be so that corrugated container board can comparatively random place on cardboard conveyer 2 on the one hand, and accomplish the direction of keeping in the middle and carry when passing through the clearance of a loudspeaker mouth, lateral carry subassembly 4 can carry out the lateral carry on the basis of carrying in the middle in addition.

The adjustable holding and clamping mechanism 5 comprises an adjusting screw 51, a guide post 52, a roller supporting plate 53 and an electric roller 54; the adjusting screw 51 is vertically and rotatably arranged on the stroke frame 42, a second hand wheel 511 is arranged at the top end of the adjusting screw 51, two guide posts 52 are vertically arranged on the stroke frame 42, the two guide posts 52 are distributed on two sides of the adjusting screw 51, a roller support plate 53 is in threaded connection with the adjusting screw 51 and vertically slides between the two guide posts 52, a plurality of rows of electric rollers 54 uniformly distributed along the conveying direction of the paperboard are horizontally and rotatably arranged on the rotation support plate, a plurality of rows of electric rollers uniformly distributed along the conveying direction of the paperboard are horizontally and rotatably arranged on the stroke frame 42, the rows of electric rollers 54 on the rotation support plate are distributed right above the rows of electric rollers on the stroke frame 42 and vertically arranged one by one, and the horizontal tangent plane at the upper end of the rows of electric rollers 54 on the stroke frame 42 is flush with the conveying end surface of the paperboard conveyor 2;

in the adjustable holding and clamping mechanism 5, the freedom degree of the lower row of electric rotating rollers 54 is limited in the vertical direction, namely, the lower row of electric rotating rollers are always kept at the same horizontal height, the upper row of electric rotating rollers 54 can vertically move along with the rotating roller supporting plate 53, the corrugated paper board to be shaped is conveyed forwards along with the upper row of electric rotating rollers 54 and the lower row of electric rotating rollers 54, namely, the upper row of electric rotating rollers 54 and the lower row of electric rotating rollers 54 play the role of shaping rollers;

before the formal incision reshaping operation is performed, because the thicknesses of different corrugated boards are different, the adjustable clamping mechanisms 5 on the two sides need to be correspondingly adjusted, specifically, the adjusting screw 51 is rotated by rotating the second hand wheel 511, the adjusting screw 51 drives the roller supporting plate 53 to vertically slide along the two guide posts 52, and then the passing gap of the upper and lower rows of electric rollers 54 is adjusted, so that the corrugated board to be reshaped can be conveyed forwards by adhering to the upper and lower rows of electric rollers 54.

The lateral carry assembly 4 comprises a travelling carriage 42 located in the gap and vertically movable with respect to the conveying direction of the sheet conveyor 2; the lateral carry assembly 4 further comprises a carry cylinder 41 fixedly mounted on the side wall of the conveying table 1, and the stroke frame 42 is fixedly connected with the output end of the carry cylinder 41.

After the adjustable holding and clamping mechanisms 5 on the two sides are adjusted, the lateral carry mechanisms on the two sides can be adjusted immediately, the carry cylinder 41 is started to drive the stroke frame 42 to move perpendicular to the conveying direction of the corrugated board, and the lateral carry components 4 on the two sides are adjusted, so that the blowing shaping components 6 distributed on the two sides can be close to the notches at the two ends of the corrugated board to be shaped as much as possible, and the electric rotating roller 54 and the corrugated board can be in contact positions as much as possible.

The air blowing and shaping assembly 6 comprises four hinged rods 61, two air pipes 62 and two guide pins 63, the four hinged rods 61 are hinged continuously in a scissor-type structure, the scissor-type structure is hinged up and down between the roller support plate 53 and the stroke frame 42, the two air pipes 62 are fixed at two hinged points of the two groups of hinged rods 61 in an X-hinged mode in a one-to-one correspondence mode, the bottom ends of the two guide pins 63 are fixedly connected to the stroke frame 42, the two guide pins 63 and the roller support plate 53 are arranged in a vertical sliding fit mode (the two guide pins 63 provide vertical guide, so that the two air pipes 62 can always keep a horizontal state), the two air pipes 62 are arranged between the two guide pins 63 in a vertical sliding mode, air inlets 621 are formed in two sides of the air pipes 62, and a plurality of air nozzles 622 distributed along the conveying direction. The air inlet 621 at both ends of the air pipe 62 is externally connected with a vent pipe 62, and after the air passage is communicated, the compressed high-pressure air is discharged from the air nozzle 622. The design of the scissor structure in the air blowing and shaping assembly 6 enables the adjustable clamping mechanism 5 to be adjusted along with corrugated boards with different thicknesses, the air blowing and shaping assembly 6 can complete synchronous adjustment along with the adjustable clamping mechanism 5, namely, the distance between the two air pipes 62 is synchronously increased when the gap between the upper row of electric rotating rollers 54 and the lower row of electric rotating rollers 54 is increased, and the distance is reversely and synchronously decreased, so that the two air pipes 62 can be always reasonably aligned to the cut positions of the corrugated boards.

When the slits of the corrugated board are formally reshaped, the corrugated board is conveyed forwards by the board conveyor 2, guided by the conveying guide mechanism 3 and centered and then enters the adjustable holding and clamping mechanisms 5 at two sides, the slit positions at two sides of the corrugated board are correspondingly and tightly adhered between the upper row of electric rotating rollers 54 and the lower row of electric rotating rollers 54 at two sides, and the corrugated board is positioned in the forward conveying process, on one hand, the air nozzles 622 distributed on the air pipe 62 can instantly blow out high-pressure air to rapidly expand and bulge the collapsed slits of the corrugated board, but on the other hand, the upper electric rotating rollers 54 and the lower electric rotating rollers 54 play the roles of the blocking rollers and the reshaping rollers to restore the expanded slits to the flattened state again, so that the slits of the corrugated board are reshaped under the clamping and reshaping effects of the electric rotating rollers 54, and the slit positions of the corrugated board are prevented from being collapsed, the flatness of the cut of the corrugated board after cutting is ensured.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. A cutting processing method of hard paper boards is characterized by comprising the following steps: the processing method specifically comprises the following steps:

the hard paperboard cutting method in the steps S1-S4 is adopted to cut and shape the hard paperboard, and the cut shaping device after cutting the hard paperboard further comprises a conveying table (1), a paperboard conveyor (2), a conveying guide mechanism (3), a lateral carry component (4), an adjustable holding and clamping mechanism (5) and a blowing shaping component (6); the two paperboard conveyors (2) are distributed on the conveying platform (1) in the horizontal direction, and a gap is reserved between the two paperboard conveyors (2); the conveying guide mechanism (3) is arranged on the conveying platform (1), and the conveying guide mechanism (3) is positioned above the conveying end face of one of the paperboard conveyors (2) and is close to the gap; the lateral carry assemblies (4) are correspondingly arranged on two sides of the conveying table (1), and the two lateral carry assemblies (4) are positioned in the gap and are arranged on two sides of the conveying direction of the paperboard conveyor (2) in a mirror symmetry mode; the two lateral carry assemblies (4) are correspondingly provided with the adjustable clamping mechanisms (5) and the air blowing shaping assemblies (6), and the two adjustable clamping mechanisms (5) and the two air blowing shaping assemblies (6) are symmetrically distributed on two sides of the conveying direction of the paperboard conveyor (2) in a mirror image manner; wherein:

the lateral carry assembly (4) comprises a stroke rack (42) which is positioned in the gap and can move vertically relative to the conveying direction of the paperboard conveyor (2);

the adjustable holding and clamping mechanism (5) comprises an adjusting screw rod (51), a guide post (52), a roller supporting plate (53) and an electric roller (54); the adjusting screw rod (51) is vertically and rotatably arranged on the stroke frame (42), the stroke frame (42) is vertically provided with two guide posts (52), the two guide posts (52) are distributed on two sides of the adjusting screw rod (51), the roller bearing plate (53) is in threaded connection with the adjusting screw rod (51) and is vertically and slidably arranged between the two guide posts (52), the rotating bearing plate is horizontally and rotatably provided with a plurality of rows of electric rollers (54) which are uniformly distributed along the paper board conveying direction, the stroke frame (42) is horizontally and rotatably provided with a plurality of rows of electric rollers which are uniformly distributed along the paper board conveying direction, the row of electric rollers (54) on the rotating bearing plate is distributed right above the row of electric rollers on the stroke frame (42) and is vertically and oppositely arranged one by one, the horizontal tangent plane of the upper end of the row of the electric rotating rollers (54) on the stroke frame (42) is flush with the conveying end surface of the paperboard conveyor (2);

the blowing and shaping assembly (6) comprises four hinged rods (61), two air pipes (62) and two guide pins (63), the four hinged rods (61) are continuously hinged in a scissor-type structure, the scissor structure is hinged up and down between the roller supporting plate (53) and the stroke frame (42), the two air pipes (62) are fixed at two hinged points of the two groups of hinged rods (61) in an X-hinged manner one by one, the bottom ends of the two guide pins (63) are fixedly connected to the stroke frame (42), the two guide pins (63) are vertically and slidably matched with the roller support plate (53), the two air pipes (62) are vertically and slidably arranged between the two guide pins (63), the front side end of the air pipe (62) is provided with a plurality of air nozzles (622) distributed along the conveying direction of the paper board.

2. The method for cutting and processing the hard paperboard as claimed in claim 1, wherein: the conveying guide mechanism (3) comprises a bidirectional adjusting screw rod (31) and two conveying guide assemblies (32), the bidirectional adjusting screw rod (31) is horizontally and rotatably arranged on the conveying frame, the two conveying guide assemblies (32) are distributed above the conveying end surface of the paperboard conveyor (2), and the two conveying guide assemblies (32) are correspondingly arranged on two thread sections with opposite thread screwing directions on the bidirectional adjusting screw rod (31) one by one; the conveying guide assembly (32) comprises a roller frame (321), a guide shaft (322), rotating rollers (323) and a guide conveying belt (324), the roller frame (321) is in threaded connection with the bidirectional adjusting screw rod (31), the guide shaft (322) is fixedly connected with the roller frame (321) and is in horizontal sliding fit with the side wall of the conveying table (1), the roller frame (321) is vertically and rotatably provided with the three rotating rollers (323), the three rotating rollers (323) are located at three vertex positions of a triangle, and the guide conveying belt (324) is sleeved on the three rotating rollers (323); the relative spacing of the two conveying guide assemblies (32) is gradually reduced towards the approaching direction of the gap.

3. The method for cutting and processing the hard paperboard as claimed in claim 1, wherein: the lateral carry assembly (4) further comprises a carry cylinder (41) fixedly mounted on the side wall of the conveying table (1), and the stroke frame (42) is fixedly connected with the output end of the carry cylinder (41).

4. The method for cutting and processing the hard paperboard as claimed in claim 1, wherein: both sides of the air pipe (62) are provided with air inlets (621).

5. The method for cutting and processing the hard paperboard as claimed in claim 2, wherein: a first hand wheel (311) is arranged at each of two ends of the bidirectional adjusting screw rod (31); and a second hand wheel (511) is arranged at the top end of the adjusting screw rod (51).