阅读说明：本技术 一种工业复合纸板及其制备工艺 (Industrial composite paperboard and preparation process thereof ) 是由 阮琪 胡勇 倪佳 于 2020-06-03 设计创作，主要内容包括：本发明公开了一种工业复合纸板及其制备工艺,涉及工业复合纸板技术领域,工业复合纸板的制备工艺包括如下步骤：上料；对经过预热的原纸进行涂胶；压合涂胶后的原纸；出料。本发明的工业复合纸板包括三层相互粘合的原纸。本发明解决了原纸在压合过程中会出现错位现象的问题,降低原纸在压合过程中出现错位的可能性。另外,本发明的工业复合纸板具有边线齐整的优点。(The invention discloses an industrial composite paperboard and a preparation process thereof, relating to the technical field of industrial composite paperboards, wherein the preparation process of the industrial composite paperboard comprises the following steps: feeding; gluing the preheated base paper; pressing the glued base paper; and (6) discharging. The industrial composite paperboard of the present invention comprises three layers of base paper bonded to each other. The invention solves the problem that the base paper can generate dislocation in the pressing process, and reduces the possibility of the dislocation of the base paper in the pressing process. In addition, the industrial composite paperboard has the advantage of neat side lines.)

1. A preparation process of industrial composite paperboard is characterized by comprising the following steps: the method comprises the following steps:

s1, feeding: selecting high-gloss paper as base paper, and sequentially placing the base paper on a paper bearing machine;

s2, preheating base paper: setting the heating temperature of the heating roller (11) to be 40-50 ℃, and moving the base paper into the second transmission assembly (21) after the base paper is heated by the heating roller (11);

s3, gluing the preheated base paper: moving the base paper to the position above the second transmission roller (12), starting a second air cylinder (31) to drive a glue spreader (26) to move downwards, spreading glue on the base paper, setting the spreading speed of the glue spreader (26) to be 20-40M/min, setting the spreading time of each round to be 8-12s, and driving the glue spreader (26) to move upwards by the second air cylinder (31) after glue spreading; the base paper moves into a first transmission assembly (2);

s4, pressing the glued base paper: the base paper is moved into the pressing device (3) by the first transmission assembly (2), the second cylinder (31) is started, and the second cylinder (31) drives the first push plate (44) to carry out edge alignment on the three base paper sheets which are mutually overlapped; pressing the three layers of base paper to form a paperboard after the pressing plate (35) moves downwards, wherein the pressing pressure is 0.8-5 kg;

s5, discharging: when the second cylinder (31) drives the pressing plate (35) to move upwards, the baffle (57) moves upwards, and the second push plate (74) pushes the pressing plate (35) to discharge materials from the discharge through hole (56); and (3) putting the paperboard into an oven at 40-60 ℃ for drying, and trimming and transversely cutting the paperboard to obtain the industrial composite paperboard.

2. The process for preparing an industrial composite paperboard according to claim 1, characterized in that: the paper bearing machine comprises a roller bed (1), a heating roller (11) and a second transmission roller (12) which are rotatably arranged on the opposite inner sides of the roller bed (1), and a first transmission assembly (2) and a second transmission assembly (21) which are arranged in the roller bed (1) and used for transmitting base paper; the second transmission assembly (21) has the same structure as the first transmission assembly (2); the first transmission assembly (2) comprises two first transmission rollers (22) which are rotatably arranged on the opposite inner sides of the roller bed (1) and a transmission belt (23) which enables the two first transmission rollers (22) to be linked; a first portal frame (24) is fixed at the top of the roller bed (1), two first cylinders (13) are fixed at the top of the first portal frame (24), and connecting through holes (14) are respectively formed in the opposite inner sides of the first portal frame (24); connecting pieces (15) are arranged in the two connecting through holes (14) in a sliding mode along the vertical direction respectively, glue spreading rollers (26) are fixed on the opposite inner sides of the two connecting pieces (15), and the top of each connecting piece (15) is fixedly connected with the output end of the first air cylinder (13); and a pressing device (3) for pressing the paperboard is arranged in the roller bed (1).

3. The process for preparing an industrial composite paperboard according to claim 2, characterized in that: the pressing device (3) comprises a second portal frame (25) fixed to the top of the roller bed (1), two second air cylinders (31) fixed to the top of the second portal frame (25) and a push rod (32) arranged in the second portal frame (25) in a vertically sliding mode; a support rod (33) is fixed at the bottom of the ejector rod (32), a connecting rod (34) is fixed at the bottom of the support rod (33), and a pressing plate (35) for pressing the paperboard is fixed at the bottom of the connecting rod (34); the output end of the second air cylinder (31) is fixedly connected with the top of the ejector rod (32).

4. The process for preparing an industrial composite paperboard according to claim 2, characterized in that: two groups of pushing mechanisms (4) for driving the base paper to align are arranged in the roller bed (1); each group of pushing mechanisms (4) comprises a first vertical plate (41) fixed on the inner bottom surface of the roller bed (1), a mounting through hole (42) formed in one side, close to the pressing plate (35), of the first vertical plate (41), a sliding rod (43) arranged in the mounting through hole (42) in a sliding mode in the width direction of the roller bed (1), and a first push plate (44) fixed on one side, close to the pressing plate (35), of the sliding rod (43); a pressing component (5) for driving the first push plate (44) to move towards one side close to the press plate (35) is arranged between each slide rod (43) and the ejector rod (32); each group of the abutting components (5) comprises a sliding piece (51) fixed on one side of the sliding rod (43) far away from the first push plate (44) and an abutting rod (52) fixed at the bottom of the top rod (32); the opposite inner sides of the abutting rod (52) and the sliding piece (51) are respectively provided with a first inclined surface (53); slide (51) are close to second driving roller (12) one side and are fixed with slider (54), slider (54) are kept away from and are connected pole (52) one side and are fixed with first spring (55), slider (54) one end is kept away from in first spring (55) with clamp plate (35) one side fixed connection is kept away from in first riser (41).

5. The process for preparing an industrial composite paperboard according to claim 4, characterized in that: a discharge through hole (56) is formed in one side of the roller bed (1), and a baffle (57) is arranged in the discharge through hole (56) in a sliding manner along the vertical direction; dovetail blocks (58) are respectively fixed on two sides of the baffle (57), dovetail grooves are respectively formed in the opposite inner sides of the discharge through holes (56), and each dovetail block (58) is arranged in each dovetail groove in a sliding mode along the vertical direction; and a driving assembly (6) for driving the baffle (57) to move upwards is arranged between each abutting rod (52) and the baffle (57).

6. The process for preparing an industrial composite paperboard according to claim 5, characterized in that: each group of driving components (6) comprises a mounting groove (61) formed in one side, close to the abutting rod (52), of the baffle plate (57), and a plug connector (62) which is arranged in the mounting groove (61) in a sliding mode along the length direction of the roller bed (1) and is used for being plugged with the abutting rod (52) at one side far away from the second transmission roller (12); a third spring is fixed on one side, away from the abutting rod (52), of the plug connector (62), and one end, away from the plug connector (62), of the third spring is fixedly connected with one side, away from the abutting rod (52), of the mounting groove (61); a pressing piece (36) is fixed on the top surface of the discharging through hole (56), and a slot (63) for being inserted into the pressing piece (36) is formed in the top of the plug connector (62); a second inclined surface (64) is formed on one side, away from the abutting rod (52), of the bottom of the abutting piece (36), and a third inclined surface (65) used for abutting against the second inclined surface (64) is formed on one side, away from the abutting rod (52), of the slot (63).

7. The process for preparing an industrial composite paperboard according to claim 6, characterized in that: a square groove (66) is formed in the bottom plate of the roller bed (1) along the length direction of the roller bed (1), and a butt plate (67) is arranged in the square groove (66) in a sliding manner along the length direction of the roller bed (1); a first strip-shaped through hole (71) and a second strip-shaped through hole (72) are formed in the inner bottom surface of the roller bed (1); the opposite inner sides of the baffle (57) and the abutting plate (67) are respectively provided with a fourth inclined surface (73); a second push plate (74) is fixed at the top of the abutting plate (67), and the second push plate (74) is arranged in the second strip-shaped through hole (72) in a sliding manner along the length direction of the roller bed (1); a second vertical plate (75) is fixed on the inner bottom surface of the roller bed (1), two guide through holes (76) are formed in one side, close to the second push plate (74), of the second vertical plate (75), two guide shafts (77) are fixed on one side, close to the second vertical plate (75), of the second push plate (74), and each guide shaft (77) is arranged in each guide through hole (76) in a sliding mode along the length direction of the roller bed (1); the second spring (7) is fixed on one side, close to the second push plate (74), of the second vertical plate (75), one end, far away from the second push plate (74), of the second spring (7) is fixedly connected with one side, close to the second push plate (74), of the second vertical plate (75).

8. An industrial composite board according to any one of claims 1-7, characterized in that: comprises three layers of base paper which are mutually bonded.

Technical Field

The invention relates to the technical field of industrial composite paperboards, in particular to an industrial composite paperboard and a preparation process thereof.

Background

Currently, paperboard is a thick sheet of paper made from pulp that is interwoven with fibers.

Disclosure of Invention

In view of the defects in the prior art, a first object of the present invention is to provide a process for preparing an industrial composite paperboard, which reduces the possibility of dislocation of base paper in a laminating process by aligning the base paper in the laminating process.

A second object of the present invention is to provide an industrial composite paperboard which has the advantage of edge trim.

The first invention purpose of the invention is realized by the following technical scheme:

a preparation process of industrial composite paperboard comprises the following steps:

s1, feeding: selecting high-gloss paper as base paper, and sequentially placing the base paper on a paper bearing machine;

s2, preheating base paper: setting the heating temperature of heating to be 40-50 ℃, and moving the base paper into a second transmission assembly after the base paper is heated by a heating roller;

s3, gluing the preheated base paper: moving the base paper to the position above the second transmission roller, starting a second air cylinder to drive the glue spreader to move downwards, spreading glue on the base paper, setting the spreading speed of the glue spreader to be 20-40M/min, setting the spreading time of each round to be 8-12s, and driving the glue spreader to move upwards by the second air cylinder after the spreading is finished; moving the base paper into a first transmission assembly;

s4, pressing the glued base paper: moving the base paper into a pressing device through a first transmission assembly, starting a second cylinder, and driving a first push plate to perform edge alignment on three pieces of base paper overlapped with each other by the second cylinder; pressing the three layers of base paper to form a paperboard after the pressing plate moves downwards, wherein the pressing pressure is 0.8-5 kg;

s5, discharging: when the second cylinder drives the pressing plate to move upwards, the baffle plate moves upwards, and the second push plate pushes the pressing plate to discharge materials from the discharge through hole; and (3) putting the paperboard into an oven at 40-60 ℃ for drying, and trimming and transversely cutting the paperboard to obtain the industrial composite paperboard.

Through adopting above-mentioned technical scheme, the body paper falls into in the pressing device after the rubber coating, and before the clamp plate carried out the pressfitting to the body paper, two first push pedals can be supported the body paper by both sides respectively to carry out the opposite side to the three-layer body paper after the coincide, reduce the possibility that the body paper dislocation phenomenon appears in the cardboard after the pressfitting, alleviate the burden of follow-up deburring process.

The present invention in a preferred example may be further configured to: the paper bearing machine comprises a roller bed, a heating roller and a second transmission roller which are rotatably arranged on the opposite inner sides of the roller bed, and a first transmission assembly and a second transmission assembly which are arranged in the roller bed and used for transmitting base paper; the second transmission assembly has the same structure as the first transmission assembly; the first transmission assembly comprises two first transmission rollers which are rotatably arranged on the opposite inner sides of the roller bed and a transmission belt which enables the two first transmission rollers to be linked; a first portal frame is fixed at the top of the roller bed, two first cylinders are fixed at the top of the first portal frame, and connecting through holes are respectively formed in the opposite inner sides of the first portal frame; connecting pieces are arranged in the two connecting through holes in a sliding mode along the vertical direction respectively, glue spreading rollers are fixed on the opposite inner sides of the two connecting pieces, and the top of each connecting piece is fixedly connected with the output end of the first air cylinder; and a pressing device for pressing the paper board is arranged in the roller bed.

Through adopting above-mentioned technical scheme, the body paper removes after the warming mill preheats and gets into second drive assembly, through preheating the body paper, can reduce remaining moisture in the body paper, and the follow-up glue spreader of being convenient for carries out the rubber coating to the body paper. After the base paper is conveyed to the position above the second transmission roller, the first cylinder is started, the first cylinder pushes the connecting piece to move downwards, the glue spreader moves downwards and is in contact with the base paper, so that the upper surface of the base paper is coated with glue, and the base paper after being coated with the glue is conveyed by the first transmission assembly to enter the pressing device to form a paperboard.

The present invention in a preferred example may be further configured to: the pressing device comprises a second portal frame fixed at the top of the roller bed, two second air cylinders fixed at the top of the second portal frame and a mandril arranged in the second portal frame in a sliding manner along the vertical direction; a support rod is fixed at the bottom of the ejector rod, a connecting rod is fixed at the bottom of the support rod, and a pressing plate for pressing the paper board is fixed at the bottom of the connecting rod; the output end of the second cylinder is fixedly connected with the top of the ejector rod.

Through adopting above-mentioned technical scheme, the three-layer body paper that gets into in the press device from top to bottom coincide in proper order starts the second cylinder, and the second cylinder passes through the ejector pin and drives the clamp plate and move down, carries out the pressfitting to the three-layer body paper to the body paper after making the rubber coating forms the cardboard.

The present invention in a preferred example may be further configured to: two groups of pushing mechanisms for driving the base paper to align are arranged in the roller bed; each group of pushing mechanisms comprises a first vertical plate fixed on the inner bottom surface of the roller bed, an installation through hole formed in one side, close to the pressing plate, of the first vertical plate, a sliding rod arranged in the installation through hole in a sliding mode in the width direction of the roller bed, and a first push plate fixed on one side, close to the pressing plate, of the sliding rod; a pressing component for driving the first push plate to move towards one side close to the press plate is arranged between each slide rod and the ejector rod; each group of the abutting components comprises a sliding piece fixed on one side of the sliding rod, which is far away from the first push plate, and an abutting rod fixed at the bottom of the ejector rod; the opposite inner sides of the abutting rod and the sliding piece are respectively provided with a first inclined plane; the sliding piece is fixed with a sliding block on one side close to the second transmission roller, a first spring is fixed on one side, away from the abutting rod, of the sliding block, one end, away from the sliding block, of the first spring is fixedly connected with one side, away from the pressing plate, of the first vertical plate.

By adopting the technical scheme, when the ejector rod drives the abutting rod to move downwards, the abutting rod is contacted with the sliding piece, the abutting rod abuts against the sliding piece through the first inclined surface, and the sliding piece is pushed to move towards one side close to the pressing plate; the two first push plates respectively push the base paper from two sides, so that the three layers of the overlapped base paper are aligned; through setting up the pusher jack and pressing plate linkage, be convenient for carry out the opposite side to the body paper before the pressfitting, reduce the body paper and appear the possibility of dislocation at the pressfitting in-process. The second cylinder drives the clamp plate and pushes down the in-process, and first push pedal removes thereupon, improves the availability factor of second cylinder.

The present invention in a preferred example may be further configured to: a discharge through hole is formed in one side of the roller bed, and a baffle is arranged in the discharge through hole in a sliding manner along the vertical direction; dovetail blocks are respectively fixed on two sides of the baffle plate, dovetail grooves are respectively formed on the opposite inner sides of the discharge through holes, and each dovetail block is arranged in each dovetail groove in a sliding mode along the vertical direction; and a driving assembly for driving the baffle to move upwards is arranged between each abutting rod and the baffle.

Through adopting above-mentioned technical scheme, through setting up discharging hole, the cardboard ejection of compact after the pressfitting of being convenient for. The dovetail groove provides a guide effect for the dovetail block, and reduces the possibility that the baffle deviates from the track in the vertical moving process.

The present invention in a preferred example may be further configured to: each group of driving assemblies comprises a mounting groove formed in one side, close to the abutting rod, of the baffle, and a plug connector which is arranged in the mounting groove in a sliding mode along the length direction of the roller bed and is used for being plugged with the abutting rod on one side, far away from the second driving roller, of the abutting rod; a third spring is fixed on one side of the plug connector, which is far away from the abutting rod, and one end of the third spring, which is far away from the plug connector, is fixedly connected with one side of the mounting groove, which is far away from the abutting rod; a pressing piece is fixed on the top surface of the discharge through hole, and a slot for inserting the pressing piece is formed in the top of the connector; and a second inclined plane is formed on one side of the bottom of the abutting part, which is far away from the abutting rod, and a third inclined plane which is used for abutting against the second inclined plane is formed on one side of the slot, which is far away from the abutting rod.

By adopting the technical scheme, after the abutting rod moves upwards, the plug connector is plugged with the abutting rod under the action of the third spring, so that the baffle plate moves upwards along with the abutting rod; after the plug connector moves to the abutting part and is inserted into the slot, the abutting part abuts against the third inclined surface through the second inclined surface and pushes the plug connector to move towards one side far away from the abutting rod, and therefore the plug connector is separated from the abutting rod; the baffle falls under the action of gravity, thereby closing the discharge through hole. The baffle reciprocates and is driven by the butt pole, and the butt pole receives the second cylinder drive along vertical reciprocating to further improve the availability factor of second cylinder.

The present invention in a preferred example may be further configured to: a square groove is formed in the bottom plate of the roller bed along the length direction of the roller bed, and a butt plate is arranged in the square groove in a sliding manner along the length direction of the roller bed; a first strip-shaped through hole and a second strip-shaped through hole are formed in the inner bottom surface of the roller bed; the opposite inner sides of the baffle and the abutting plate are respectively provided with a fourth inclined plane; a second push plate is fixed at the top of the abutting plate and is arranged in the second strip-shaped through hole in a sliding manner along the length direction of the roller bed; a second vertical plate is fixed on the inner bottom surface of the roller bed, two guide through holes are formed in one side, close to the second push plate, of the second vertical plate, two guide shafts are fixed on one side, close to the second vertical plate, of the second push plate, and each guide shaft is arranged in the guide through hole in a sliding mode along the length direction of the roller bed; the second spring is fixed with on one side of the second vertical plate near the second push plate, the second spring is far away from the second push plate one end with the second vertical plate is near the second push plate one side fixed connection.

By adopting the technical scheme, after the baffle falls down, the baffle abuts against the abutting plate through the fourth inclined surface and pushes the abutting plate to move towards one side close to the second push plate; therefore, when the discharge through hole is in a closed state, the second spring is in a compressed state, and the second spring applies elastic force to one side, close to the baffle, of the second push plate; after the baffle rises, two second springs promote the second push pedal to being close to baffle one side and removing, are convenient for release the cardboard after the pressfitting by discharging hole.

The second invention purpose of the invention is realized by the following technical scheme:

an industrial composite paperboard includes three layers of base paper bonded to each other.

By adopting the technical scheme, the three layers of base paper are formed by bonding after the opposite sides are formed, and the possibility of the dislocation phenomenon of the base paper after the paperboard is formed is reduced.

In summary, compared with the prior art, the invention has the following beneficial effects:

1. after the base paper falls into the pressing device, the three layers of base paper after being overlapped are firstly subjected to edge alignment, so that the possibility of the dislocation phenomenon of the base paper of the pressed paper board is reduced, and the burden of the subsequent trimming process is reduced. (ii) a

2. The pushing mechanism is linked with the pressing plate, so that the base paper can be subjected to edge alignment before lamination, the possibility of dislocation of the base paper in the lamination process is reduced, and the use efficiency of the second cylinder is improved;

3. after the cardboard pressfitting, through the second cylinder drive butt joint pole rise, realize that the second push pedal is released the cardboard by exit hole, the cardboard ejection of compact of being convenient for to further improve the availability factor of second cylinder.

Drawings

FIG. 1 is a partial cross-sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic view of a protruding connection rod according to the present invention;

fig. 4 is an enlarged schematic view of fig. 3 at B.

In the figure: 1. a roller bed; 11. a heating roller; 12. a second driving roller; 13. a first cylinder; 14. a connecting through hole; 15. a connecting member; 2. a first transmission assembly; 21. a second transmission assembly; 22. a first drive roller; 23. a conveyor belt; 24. a first gantry; 25. a second gantry; 26. glue spreading roller; 3. a pressing device; 31. a second cylinder; 32. a top rod; 33. a support bar; 34. a connecting rod; 35. pressing a plate; 36. a pressing member; 4. a pushing mechanism; 41. a first vertical plate; 42. mounting a through hole; 43. a slide bar; 44. a first push plate; 5. a pressing component; 51. a sliding member; 52. a butting rod; 53. a first inclined plane; 54. a slider; 55. a first spring; 56. a discharge through hole; 57. a baffle plate; 58. a dovetail block; 6. a drive assembly; 61. mounting grooves; 62. a plug-in unit; 63. a slot; 64. a second inclined plane; 65. a third inclined plane; 66. a square groove; 67. a butt joint plate; 7. a second spring; 71. a first bar-shaped through hole; 72. a second strip-shaped through hole; 73. a fourth slope; 74. a second push plate; 75. a second vertical plate; 76. a guide through hole; 77. and a guide shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.