阅读说明：本技术 一种包装材料及包装材料的制作方法 (Packaging material and manufacturing method thereof ) 是由 孙小婵 于 2020-07-28 设计创作，主要内容包括：本发明涉及包装材料制作技术领域,具体的说是一种包装材料及包装材料的制作方法,该方法使用的除胶装置包括矩形池、螺杆、磨板和一号电机；所述矩形池的两侧壁上转动连接着两个螺杆,矩形池的外侧壁上安装有两个一号电机；每个所述一号电机的输出轴与相对应的螺杆的一端连接；所述螺杆两端的螺纹相反设置,螺杆的两端螺纹连接着滑块；两个相对应的滑块之间固连有齿条；所述齿条的下端设有滑板；本发明所述的一种包装材料及包装材料的制作方法中使用的除胶装置通过一号电机带动磨板上下运动与二号电机带动磨板沿齿条滑动相配合,使得磨板将瓦楞纸板上的胶除尽,从而提高了包装材料原料的纯度,进而提高了包装材料的品质。(The invention relates to the technical field of packaging material manufacturing, in particular to a packaging material and a manufacturing method thereof, wherein a glue removing device used in the method comprises a rectangular tank, a screw, a grinding plate and a first motor; two screw rods are rotatably connected to two side walls of the rectangular pool, and two first motors are mounted on the outer side wall of the rectangular pool; the output shaft of each first motor is connected with one end of the corresponding screw; the threads at the two ends of the screw rod are arranged oppositely, and the two ends of the screw rod are connected with the sliding blocks in a threaded manner; a rack is fixedly connected between the two corresponding sliding blocks; the lower end of the rack is provided with a sliding plate; according to the packaging material and the manufacturing method of the packaging material, the glue removing device used in the manufacturing method drives the grinding plate to move up and down through the first motor and drives the grinding plate to slide along the rack through the second motor, so that glue on the corrugated board is removed through the grinding plate, the purity of the raw materials of the packaging material is improved, and the quality of the packaging material is further improved.)

1. A manufacturing method of a packaging material is characterized by comprising the following steps: the method comprises the following steps:

s1: collecting raw materials: the waste corrugated board is placed into a rectangular pool (1) of a glue removing device, the corrugated board is wetted by water in the rectangular pool (1), a first motor (4) is started to control a grinding plate (3) to be close to the lower end face of the corrugated board, a second motor (73) is started to drive the grinding plate (3) to move along a rack (6), glue on the lower end face of the corrugated board falls off by rubbing the grinding plate (3), and the corrugated board is collected and crushed after glue removal is completed, so that raw materials are prepared;

s2: manufacturing a base material: putting the raw materials into a stirring kettle for stirring, sequentially adding the soybean protein, the urea, the bamboo fiber, the water, the lubricant, the antistatic agent and the adhesive in the stirring process, controlling the stirring temperature to be 40-50 ℃, stirring for 3-4 hours, and taking out to prepare a base material;

s3: hot-press molding: placing the base material into a mold for paving, placing the mold in the center of a hot press for hot pressing, and demolding to obtain the packaging material; wherein the hot-pressing temperature is 130-160 ℃, the hot-pressing pressure is 2-3MPa, and the hot-pressing time is 120-140 min;

the glue removing device used in the S1 comprises a rectangular pool (1), a screw (2), a grinding plate (3) and a first motor (4); two screw rods (2) are rotatably connected to two side walls of the rectangular pool (1), and two first motors (4) are mounted on the outer side wall of the rectangular pool (1); the output shaft of each first motor (4) is connected with one end of the corresponding screw (2); the threads at the two ends of the screw rod (2) are arranged oppositely, and the two ends of the screw rod (2) are connected with the sliding blocks (5) in a threaded manner; a rack (6) is fixedly connected between the two corresponding sliding blocks (5); the lower end of the rack (6) is provided with a sliding plate (7); the sliding plate (7) is fixedly connected with two side plates (71); a gear (72) is rotatably connected between the two side plates (71); the gear (72) is meshed with the rack (6), and the gear (72) is positioned above the rack (6); a second motor (73) is arranged on the sliding plate (7); an output shaft of the second motor (73) is in transmission connection with a gear (72); the grinding plate (3) is positioned in the rectangular tank (1); the upper end of the grinding plate (3) is subjected to sanding treatment, and the two ends of the grinding plate (3) are hinged to the lower ends of the corresponding sliding plates (7) through connecting rods (8).

2. The method of claim 1, wherein the step of forming the packaging material comprises: the upper end of the grinding plate (3) is provided with a rectangular groove (31); a rotating shaft (32) is rotatably connected between the two groove walls of the rectangular groove (31); a group of round bars (33) are uniformly distributed on the rotating shaft (32); the number of the round rods (33) is at least two, and the end part of each round rod (33) is fixedly connected with a cylindrical block (34); the central axis of the cylindrical block (34) is vertical to the central axis of the rotating shaft (32).

3. A method of making a packaging material as claimed in claim 2, wherein: a concave pit (341) is arranged on one side surface of the cylindrical block (34); a group of arc-shaped plates (342) are arranged in the concave pit (341); the number of the arc-shaped plates (342) is at least two, and the arc-shaped plates (342) are distributed in the concave pits (341) in a staggered manner.

4. A method of making a packaging material as claimed in claim 3, wherein: the other side surface of the cylindrical block (34) is arranged into a bulge structure, and a group of fin plates (343) are arranged on the other side surface of the cylindrical block (34); the number of the fins (343) is at least two, and the fins (343) are uniformly distributed on the other side surface of the cylindrical block (34).

5. The method of claim 4, wherein the step of forming the packaging material comprises: a group of grooves (344) are formed in the other side face of the cylindrical block (34); the number of the grooves (344) is at least two, and the fin plate (343) is connected in the grooves (344) in a sliding mode; a spring (345) is arranged in the groove (344); one end of the spring (345) is connected with the bottom of the groove (344), and the other end of the spring is connected to the fin plate (343); a blind hole (346) is formed in the center of the other side face of the cylindrical block (34); the blind hole (346) communicates with the groove (344).

6. A packaging material characterized by: the packaging material is suitable for the manufacturing method of the packaging material as claimed in any one of claims 1 to 5, and comprises the following components in parts by weight: 90-100 parts of crushed corrugated board, 10-20 parts of soybean protein, 10-20 parts of urea, 10-15 parts of bamboo fiber, 120 parts of water 100, 3-5 parts of lubricant, 0.2-0.5 part of antistatic agent and 30-40 parts of adhesive, wherein the adhesive is composed of 3-4 parts of waterproof agent, 2-3 parts of compound agent and 5-6 parts of crosslinking agent.

Technical Field

The invention relates to the technical field of packaging material manufacturing, in particular to a packaging material and a manufacturing method of the packaging material.

Background

The packaging material comprises main packaging materials such as metal, plastic, glass, ceramic, paper, bamboo, wild mushrooms, natural fibers, chemical fibers, composite materials and the like, and auxiliary materials such as strapping, decoration, printing materials and the like; along with the rapid development of Chinese economy and the improvement of the quality of life of people, the using amount of a packaging material is also obviously improved; under the influence of national policies and environments, the raw materials for manufacturing the existing packaging materials are mainly prepared by recycling and processing waste packaging materials, glue is adhered to the waste packaging materials and can be used after being taken out, the mechanical properties of the raw materials are influenced by the existing chemical glue removing method, the existing physical glue removing method is water washing, but glue on the raw materials cannot be completely removed after being hydrolyzed, so that the quality of the packaging materials is influenced.

Disclosure of Invention

In order to make up for the defects of the prior art, the glue removing device used in the invention drives the grinding plate to move up and down through the first motor and drives the grinding plate to slide along the rack to match with the second motor, so that the grinding plate removes glue on the corrugated board, the purity of the raw materials of the packaging material is improved, and the quality of the packaging material is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing method of the packaging material comprises the following steps:

s1: collecting raw materials: putting the waste corrugated board into a rectangular tank of a glue removing device, wetting the corrugated board by water in the rectangular tank, starting a first motor to control a grinding plate to be close to the lower end face of the corrugated board, starting a second motor to drive the grinding plate to move along a rack, rubbing the lower end face of the corrugated board by the grinding plate to enable glue on the lower end face of the corrugated board to fall off, collecting and crushing the corrugated board after glue removal is finished, thereby preparing a raw material; the grinding plate is driven by the first motor to move up and down and the second motor to drive the grinding plate to slide along the rack, so that the grinding plate can completely remove glue on the corrugated board, the purity of the raw materials of the packaging material is improved, and the quality of the packaging material is improved;

s2: manufacturing a base material: putting the raw materials into a stirring kettle for stirring, sequentially adding the soybean protein, the urea, the bamboo fiber, the water, the lubricant, the antistatic agent and the adhesive in the stirring process, controlling the stirring temperature to be 40-50 ℃, stirring for 3-4 hours, and taking out to prepare a base material; the soybean protein is modified by urea, so that the toughness of the raw material is improved, and the mechanical property of the packaging material is further improved;

s3: hot-press molding: placing the base material into a mold for paving, placing the mold in the center of a hot press for hot pressing, and demolding to obtain the packaging material; wherein the hot-pressing temperature is 130-160 ℃, the hot-pressing pressure is 2-3MPa, and the hot-pressing time is 120-140 min; by controlling the hot pressing pressure and the hot pressing time, the stability among the particles in the packaging material is improved; the packaging material is convenient to transport and store by hot press molding;

the glue removing device used in the S1 comprises a rectangular pool, a screw, a grinding plate and a first motor; two screw rods are rotatably connected to two side walls of the rectangular pool, and two first motors are mounted on the outer side wall of the rectangular pool; the output shaft of each first motor is connected with one end of the corresponding screw; the threads at the two ends of the screw rod are arranged oppositely, and the two ends of the screw rod are connected with the sliding blocks in a threaded manner; a rack is fixedly connected between the two corresponding sliding blocks; the lower end of the rack is provided with a sliding plate; the sliding plate is connected to the side wall of the rectangular pool in a sliding manner, and two side plates are fixedly connected to the sliding plate; a gear is rotatably connected between the two side plates; the gear is meshed with the rack, and the gear is positioned above the rack; a second motor is arranged on the sliding plate; an output shaft of the second motor is in transmission connection with a gear; the grinding plate is positioned in the rectangular pool; the upper end of the grinding plate is subjected to grinding treatment, and the two ends of the grinding plate are hinged to the lower ends of the corresponding sliding plates through connecting rods; when the corrugated board packaging material is used, the waste corrugated boards cannot completely remove glue on the surfaces of the corrugated boards through a water washing method, so that the raw materials have the glue, and the quality of the packaging material is further influenced; therefore, the worker of the invention puts the corrugated board into the rectangular pool, the corrugated board is wetted by water because the rectangular pool contains water, the corrugated board is downward faced with glue, the first motor is started to rotate, thereby the screw rod is driven to rotate by the first motor, the screw threads at the two ends of the screw rod are oppositely arranged, and the screw rod is connected with the slide block by the screw threads at the two ends, so the screw rod can drive the two slide blocks to synchronously move away from each other because the screw rod rotates, the rack is fixedly connected between the two corresponding slide blocks, the lower end of the rack is provided with the slide plate, the two ends of the grinding plate are hinged at the lower end of the corresponding slide plate by the connecting rod, so the slide block drives the grinding plate to move upwards by the connecting rod, thereby the corrugated board is close to the corrugated board, the gear is meshed with the rack, the output shaft of the second motor is connected with the gear in a transmission way, the gear is rotatably connected between the two side plates, so that the gear moves to drive the sliding plate to move, the sliding plate is driven by the sliding plate to slide along the rack, and the upper end of the grinding plate is subjected to frosting treatment, so that the grinding plate can rub the corrugated board, glue on the corrugated board is scraped, and the corrugated board moves downwards as the water absorbed by the corrugated board in water increases; according to the invention, the grinding plate is driven by the first motor to move up and down and the second motor drives the grinding plate to slide along the rack, so that the grinding plate can completely remove glue on the corrugated board, the purity of the raw materials of the packaging material is improved, and the quality of the packaging material is further improved.

Preferably, the upper end of the grinding plate is provided with a rectangular groove; a rotating shaft is rotatably connected between the two groove walls of the rectangular groove; a group of round bars are uniformly distributed on the rotating shaft; the number of the round rods is at least two, and the end parts of the round rods are fixedly connected with cylindrical blocks; the central shaft of the cylindrical block is vertical to the central shaft of the rotating shaft; when the corrugated board is used, the friction force of the grinding board on the corrugated board is limited, the friction time is long, and the raw material collection efficiency is influenced; therefore, the rectangular groove is formed in the upper end of the grinding plate, the rotating shaft is rotatably connected between the two groove walls of the rectangular groove, and the cylindrical block is connected to the rotating shaft through the round rod, so that when the grinding plate moves along the rack, the cylindrical block is subjected to resistance in water and can rotate around the rotating shaft, the cylindrical block can collide with the lower end face of the corrugated board, and glue on the corrugated board falls off after being collided; according to the invention, the grinding plate is driven by the second motor to move along the rack to be matched with the cylindrical block to rotate around the rotating shaft, so that the glue on the corrugated board falls off after being impacted, and the collection efficiency of the raw materials of the packaging material is improved.

Preferably, a concave pit is arranged on one side surface of the cylindrical block; a group of arc-shaped plates are arranged in the concave pits; the number of the arc-shaped plates is at least two, and the arc-shaped plates are distributed in the concave pits in a staggered manner; when the corrugated board is used, the resistance of one side surface of the cylindrical block in water is limited, so that the rotating speed of the cylindrical block around the rotating shaft is limited, and the impact efficiency of the cylindrical block on the corrugated board is further influenced; therefore, one side surface of the cylindrical block is provided with the concave pits, so that the resistance of one side surface of the cylindrical block in water is increased, the arc plates are arranged in the concave pits in a staggered mode and are distributed in the concave pits, so that water flow can temporarily stay in the concave pits under the action of the arc plates under the impact of the water flow, the resistance of one side surface of the cylindrical block in water is further increased, and the larger the resistance of one side surface of the cylindrical block is, the higher the rotating speed of the cylindrical block around the rotating shaft is; according to the invention, the grinding plate drives the cylindrical block to move in water to be matched with the concave pit and the arc-shaped plate of the cylindrical block, so that the speed of the cylindrical block around the rotating shaft is increased, and the efficiency of falling off of glue on the corrugated board after being impacted is increased.

Preferably, the other side surface of the cylindrical block is arranged into a bulge structure, and a group of fin plates are arranged on the other side surface of the cylindrical block; the number of the fins is at least two, and the fins are uniformly distributed on the other side surface of the cylindrical block; when the device is used, the cylindrical block on the water surface is subjected to resistance when entering water, so that the speed of the cylindrical block around the rotating shaft is reduced; therefore, the other side surface of the cylindrical block is arranged to be the bulge structure, so that the resistance of the other side surface of the cylindrical block in water flow is reduced, the corrugated board is prevented from being damaged after being impacted by the bulge structure, the collection of raw materials is further influenced, the fin plate is arranged on the other side surface of the cylindrical block, so that water can be divided by the fin plate, and the resistance of water to the other side surface of the cylindrical block is reduced; according to the invention, the arc-shaped plate on one side surface of the cylindrical block is matched with the fin plate on the other side surface of the cylindrical block, so that the kinetic energy loss of the rotation of the cylindrical block around the rotating shaft is reduced, and the speed of the cylindrical block around the rotating shaft is increased.

Preferably, a group of grooves is arranged on the other side surface of the cylindrical block; the number of the grooves is at least two, and the fin plates are connected in the grooves in a sliding mode; a spring is arranged in the groove; one end of the spring is connected with the bottom of the groove, and the other end of the spring is connected to the fin plate; a blind hole is formed in the center of the other side face of the cylindrical block; the blind hole is communicated with the groove; when the corrugated board collecting device is used, the corrugated board can be scraped by the fin plate on the other end face of the cylindrical block, so that the difficulty in collecting raw materials is increased; therefore, the groove is formed in the other end face of the cylindrical block, the fin plate is connected in the groove in a sliding mode, the blind hole is formed in the center of the other end face of the cylindrical block and communicated with the groove, water flow impacts on the other end of the cylindrical block to enable the water flow to enter the blind hole, water in the blind hole can enter the groove to enable water pressure to be generated in the groove, the fin plate is under the action of the water to enable the fin plate to slide to a notch of the groove along the groove, the spring is arranged in the groove to enable the fin plate to slide along the groove under the action of spring force, when the fin plate is separated from the water, the water in the blind hole flows out to enable the water pressure in the groove to disappear, and meanwhile, the fin plate under the action of the corrugated board; according to the invention, the fin plate is connected in the groove in a sliding manner and is matched with the spring in the groove, so that the shunting effect of the fin plate in water is ensured, and meanwhile, the corrugated board is not damaged by the impact of the fin plate, thereby facilitating the collection of raw materials.

The packaging material is suitable for the manufacturing method and comprises the following components in parts by weight: 90-100 parts of crushed corrugated board, 10-20 parts of soybean protein, 10-20 parts of urea, 10-15 parts of bamboo fiber, 120 parts of water 100, 3-5 parts of lubricant, 0.2-0.5 part of antistatic agent and 30-40 parts of adhesive, wherein the adhesive is composed of 3-4 parts of waterproof agent, 2-3 parts of compound agent and 5-6 parts of cross-linking agent; by using the waste corrugated boards as main raw materials, the cost is saved, and the environmental pollution is reduced, so that the packaging material is more environment-friendly to manufacture.

The invention has the following beneficial effects:

1. the glue removing device used in the invention drives the grinding plate to move up and down through the first motor and drives the grinding plate to slide along the rack to match with the second motor, so that the grinding plate removes glue on the corrugated board completely, thereby improving the purity of the raw materials of the packaging material and further improving the quality of the packaging material.

2. The glue removing device used in the invention drives the grinding plate to move along the rack through the second motor and is matched with the cylindrical block to rotate around the rotating shaft, so that glue on the corrugated surface falls off after being impacted, and the collection efficiency of the raw materials of the packaging material is improved.

3. The glue removing device used in the invention drives the cylindrical block to move in water through the grinding plate and is matched with the concave pit and the arc-shaped plate of the cylindrical block, so that the speed of the cylindrical block around the rotating shaft is improved, and the efficiency of falling off glue on the corrugated board after being impacted is improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a perspective view of a glue removal device used in the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an internal structural view of a grinding plate in the glue removing apparatus used in the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is an internal structural view of a cylindrical block in the glue removing device used in the present invention;

in the figure: the device comprises a rectangular pool 1, a screw 2, a grinding plate 3, a rectangular groove 31, a rotating shaft 32, a round rod 33, a cylindrical block 34, a concave pit 341, an arc-shaped plate 342, a fin 343, a groove 344, a spring 345, a blind hole 346, a first motor 4, a sliding block 5, a rack 6, a sliding plate 7, a side plate 71, a gear 72, a second motor 73 and a connecting rod 8.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the method for manufacturing a packaging material of the present invention includes the following steps:

s1: collecting raw materials: putting the waste corrugated board into a rectangular pool 1 of a glue removing device, wetting the corrugated board by water in the rectangular pool 1, starting a first motor 4 to control a grinding plate 3 to be close to the lower end face of the corrugated board, starting a second motor 73 to drive the grinding plate 3 to move along a rack 6, rubbing the lower end face of the corrugated board by the grinding plate 3 to enable glue on the lower end face of the corrugated board to fall off, collecting the corrugated board after glue removal, and crushing the corrugated board to obtain a raw material; the grinding plate 3 is driven by the first motor 4 to move up and down, and the grinding plate 3 is driven by the second motor 73 to slide along the rack 6 to match, so that the grinding plate 3 completely removes glue on the corrugated board, the purity of the raw materials of the packaging material is improved, and the quality of the packaging material is improved;

s2: manufacturing a base material: putting the raw materials into a stirring kettle for stirring, sequentially adding the soybean protein, the urea, the bamboo fiber, the water, the lubricant, the antistatic agent and the adhesive in the stirring process, controlling the stirring temperature to be 40-50 ℃, stirring for 3-4 hours, and taking out to prepare a base material; the soybean protein is modified by urea, so that the toughness of the raw material is improved, and the mechanical property of the packaging material is further improved;

s3: hot-press molding: placing the base material into a mold for paving, placing the mold in the center of a hot press for hot pressing, and demolding to obtain the packaging material; wherein the hot-pressing temperature is 130-160 ℃, the hot-pressing pressure is 2-3MPa, and the hot-pressing time is 120-140 min; by controlling the hot pressing pressure and the hot pressing time, the stability among the particles in the packaging material is improved; the packaging material is convenient to transport and store by hot press molding;

the glue removing device used in the S1 comprises a rectangular pool 1, a screw 2, a grinding plate 3 and a first motor 4; two screw rods 2 are rotatably connected to two side walls of the rectangular pool 1, and two first motors 4 are mounted on the outer side wall of the rectangular pool 1; the output shaft of each first motor 4 is connected with one end of the corresponding screw 2; the threads at the two ends of the screw rod 2 are arranged oppositely, and the two ends of the screw rod 2 are connected with the sliding blocks 5 in a threaded manner; a rack 6 is fixedly connected between the two corresponding sliding blocks 5; the lower end of the rack 6 is provided with a sliding plate 7; the sliding plate 7 is connected to the side wall of the rectangular pool 1 in a sliding manner, and the sliding plate 7 is fixedly connected with two side plates 71; a gear 72 is rotatably connected between the two side plates 71; the gear 72 is meshed with the rack 6, and the gear 72 is positioned above the rack 6; a second motor 73 is arranged on the sliding plate 7; the output shaft of the second motor 73 is in transmission connection with a gear 72; the grinding plate 3 is positioned in the rectangular tank 1; the upper end of the grinding plate 3 is subjected to sanding treatment, and the two ends of the grinding plate 3 are hinged to the lower ends of the corresponding sliding plates 7 through connecting rods 8; when the corrugated board packaging material is used, the waste corrugated boards cannot completely remove glue on the surfaces of the corrugated boards through a water washing method, so that the raw materials have the glue, and the quality of the packaging material is further influenced; therefore, the worker of the invention puts the corrugated board into the rectangular tank 1, the corrugated board is wetted by water because the rectangular tank 1 contains water, the corrugated board is downward faced with glue, the first motor 4 is started to rotate, the first motor 4 drives the screw rod 2 to rotate, the threads at the two ends of the screw rod 2 are oppositely arranged, and the threads at the two ends of the screw rod 2 are connected with the sliding blocks 5, so the screw rod 2 rotates to drive the two sliding blocks 5 to synchronously move away, the rack 6 is fixedly connected between the two corresponding sliding blocks 5, the lower end of the rack 6 is provided with the sliding plate 7, the two ends of the grinding plate 3 are hinged at the lower end of the corresponding sliding plate 7 through the connecting rod 8, so the sliding blocks 5 drive the grinding plate 3 to move upwards through the connecting rod 8, the corrugated board is close to the corrugated board, the gear 72 is meshed with the rack 6, the output shaft of the second motor 73 is in transmission connection with the gear 72, so, therefore, the gear 72 moves on the rack 6, the sliding plate 7 is fixedly connected with the two side plates 71, the gear 72 is rotatably connected between the two side plates 71, the sliding plate 7 can be driven to move by the movement of the gear 72, the grinding plate 3 is driven to slide along the rack 6 by the sliding plate 7, and the grinding plate 3 can rub the corrugated board by the upper end of the grinding plate 3 after being subjected to frosting treatment, so that glue on the corrugated board is scraped off, the corrugated board can move downwards as the moisture absorbed by the corrugated board in water increases, the first motor 4 can control the two sliding blocks 5 to synchronously move close to each other, so that the grinding plate 3 is driven to move downwards, the contact force between the grinding plate 3 and the corrugated board is ensured, corrugated paper sheets are prevented from being scraped, and the raw material collection is influenced; according to the invention, the grinding plate 3 is driven by the first motor 4 to move up and down, and the grinding plate 3 is driven by the second motor 73 to slide along the rack 6 to match, so that the grinding plate 3 completely removes glue on the corrugated board, thereby improving the purity of the raw materials of the packaging material and further improving the quality of the packaging material.

As an embodiment of the present invention, the upper end of the grinding plate 3 is provided with a rectangular groove 31; a rotating shaft 32 is rotatably connected between two groove walls of the rectangular groove 31; a group of round bars 33 are uniformly distributed on the rotating shaft 32; at least two round rods 33 are provided, and the end parts of the round rods 33 are fixedly connected with cylindrical blocks 34; the central axis of the cylindrical block 34 is vertical to the central axis of the rotating shaft 32; when the corrugated board is used, the friction force of the grinding plate 3 on the corrugated board is limited, the friction time is long, and the raw material collection efficiency is influenced; therefore, in the invention, the rectangular groove 31 is arranged at the upper end of the grinding plate 3, the rotating shaft 32 is rotatably connected between the two groove walls of the rectangular groove 31, and the cylindrical block 34 is connected to the rotating shaft 32 through the round rod 33, so that when the grinding plate 3 moves along the rack 6, the cylindrical block 34 is subjected to resistance in water and can rotate around the rotating shaft 32, the cylindrical block 34 can collide with the lower end surface of the corrugated board, and the glue on the corrugated board falls off after being collided; according to the invention, the second motor 73 drives the grinding plate 3 to move along the rack 6 and to rotate around the rotating shaft 32 to be matched with the cylindrical block 34, so that glue on the corrugated part falls off after being impacted, and the collection efficiency of raw materials of packaging materials is improved.

As an embodiment of the present invention, a side surface of the cylindrical block 34 is provided with a concave recess 341; a group of arc-shaped plates 342 are arranged in the concave pit 341; at least two arc-shaped plates 342 are arranged, and the arc-shaped plates 342 are distributed in the concave pits 341 in a staggered manner; when the corrugated board collision preventing device is used, the resistance of one side surface of the cylindrical block 34 in water is limited, so that the rotating speed of the cylindrical block 34 around the rotating shaft 32 is limited, and the collision efficiency of the cylindrical block 34 on the corrugated board is further influenced; therefore, in the invention, the concave pits 341 are formed in one side surface of the cylindrical block 34, so that the resistance of one side surface of the cylindrical block 34 in water is increased, the group of arc-shaped plates 342 are arranged in the concave pits 341, and the arc-shaped plates 342 are distributed in the concave pits 341 in a staggered manner, so that under the impact of water flow on one side surface of the cylindrical block 34, the water flow can be temporarily stopped in the concave pits 341 under the action of the arc-shaped plates 342, so that the resistance of one side surface of the cylindrical block 34 in water is further increased, and the larger the resistance of one side surface of the cylindrical block 34 is, so that the higher the rotating speed of the; according to the invention, the grinding plate 3 drives the cylindrical block 34 to move in water and is matched with the concave pit 341 and the arc-shaped plate 342 of the cylindrical block 34, so that the speed of the cylindrical block 34 around the rotating shaft 32 is improved, and the efficiency of falling off after the glue on the corrugated board is impacted is improved.

As an embodiment of the present invention, the other side surface of the cylindrical block 34 is provided with a bulge structure, and the other side surface of the cylindrical block 34 is provided with a set of fins 343; the number of the fins 343 is at least two, and the fins 343 are uniformly distributed on the other side surface of the cylindrical block 34; when in use, the cylindrical block 34 on the water surface is subjected to resistance when entering the water, so that the speed of the cylindrical block 34 around the rotating shaft 32 is reduced; therefore, in the invention, the other side surface of the cylindrical block 34 is arranged to be a bulge structure, so that the resistance of the other side surface of the cylindrical block 34 in water flow is reduced, meanwhile, the corrugated board is prevented from being damaged after being impacted by the bulge structure, and further the collection of raw materials is influenced, and the fin plate 343 is arranged on the other side surface of the cylindrical block 34, so that the fin plate 343 can divide water, and the resistance of water to the other side surface of the cylindrical block 34 is reduced; according to the invention, the arc-shaped plate 342 on one side surface of the cylindrical block 34 is matched with the fin plate 343 on the other side surface of the cylindrical block 34, so that the kinetic energy loss of the cylindrical block 34 rotating around the rotating shaft 32 is reduced, and the speed of the cylindrical block 34 around the rotating shaft 32 is improved.

As an embodiment of the present invention, a set of grooves 344 is disposed on the other side surface of the cylindrical block 34; the number of the grooves 344 is at least two, and the fin 343 is connected in the grooves 344 in a sliding manner; a spring 345 is arranged in the groove 344; one end of the spring 345 is connected with the bottom of the groove 344, and the other end is connected with the fin 343; a blind hole 346 is arranged at the center of the other side surface of the cylindrical block 34; the blind hole 346 is communicated with the groove 344; when the corrugated cardboard collecting device is used, the corrugated cardboard can be scraped by the fin plate 343 on the other end face of the cylindrical block 34, so that the difficulty in collecting raw materials is increased; therefore, in the invention, the groove 344 is formed in the other end face of the cylindrical block 34, the fin 343 is connected in the groove 344 in a sliding manner, the blind hole 346 is formed in the center of the other end face of the cylindrical block 34, the blind hole 346 is communicated with the groove 344, the other end of the cylindrical block 34 is impacted by water flow, so that the water flow enters the blind hole 346, the water in the blind hole 346 enters the groove 344, water pressure is generated in the groove 344, the fin 343 is acted by the water, the fin 343 slides to the notch of the groove 344 along the groove 344, the fin 343 slides along the groove 344 under the elastic force of the spring 345 by arranging the spring 345 in the groove 344, and when the fin 343 is separated from the water, the water in the blind hole 346 flows out, so that the water pressure in the groove 344 disappears, and meanwhile, the fin 343 slides to the bottom of the groove 344 under the action of; according to the invention, the fin plate 343 is connected in the groove 344 in a sliding manner and is matched with the spring 345 in the groove 344, so that the shunting effect of the fin plate 343 in water is ensured, and meanwhile, the corrugated board is not damaged by the impact of the fin plate 343, thereby facilitating the collection of raw materials.

The packaging material is suitable for the manufacturing method and comprises the following components in parts by weight: 90-100 parts of crushed corrugated board, 10-20 parts of soybean protein, 10-20 parts of urea, 10-15 parts of bamboo fiber, 120 parts of water 100, 3-5 parts of lubricant, 0.2-0.5 part of antistatic agent and 30-40 parts of adhesive, wherein the adhesive is composed of 3-4 parts of waterproof agent, 2-3 parts of compound agent and 5-6 parts of cross-linking agent; by using the waste corrugated boards as main raw materials, the cost is saved, and the environmental pollution is reduced, so that the packaging material is more environment-friendly to manufacture.

When the corrugated board grinding machine is used, a worker puts a corrugated board into the rectangular pool 1, the corrugated board is firstly wetted by water because the rectangular pool 1 contains water, the corrugated board is then placed with the glue side facing downwards, the first motor 4 is started to rotate, the screw rod 2 is driven to rotate by the first motor 4, the threads at the two ends of the screw rod 2 are oppositely arranged, and the threads at the two ends of the screw rod 2 are connected with the sliding blocks 5, so the screw rod 2 rotates to drive the two sliding blocks 5 to synchronously move away, the rack 6 is fixedly connected between the two corresponding sliding blocks 5, the lower end of the rack 6 is provided with the sliding plate 7, meanwhile, the two ends of the grinding plate 3 are hinged at the lower end of the corresponding sliding plate 7 through the connecting rod 8, so the sliding blocks 5 drive the grinding plate 3 to move upwards through the connecting rod 8, the corrugated board is close to the corrugated board, the gear 72 is meshed with the rack 6, the output shaft of the second, thereby moving on the rack 6 through the gear 72, because the sliding plate 7 is fixedly connected with the two side plates 71, the gear 72 is rotatably connected between the two side plates 71, the gear 72 moves to drive the sliding plate 7 to move, thereby the sliding plate 7 drives the grinding plate 3 to slide along the rack 6, because the upper end of the grinding plate 3 is subjected to sanding treatment, the grinding plate 3 can rub the corrugated board, through arranging the rectangular groove 31 at the upper end of the grinding plate 3, the rotating shaft 32 is rotatably connected between the two groove walls of the rectangular groove 31, the cylindrical block 34 is connected on the rotating shaft 32 through the round rod 33, when the grinding plate 3 moves along the rack 6, the cylindrical block 34 is subjected to resistance in water, through arranging the concave pit 341 at one side surface of the cylindrical block 34, the resistance of one side surface of the cylindrical block 34 in water is increased, through arranging the group of the arc-shaped plates 342 in the concave pit 341, the arc-shaped plates 342 are alternately distributed in the concave pit 341, so that one, the water flow can be temporarily stopped in the concave pit 341 under the action of the arc-shaped plate 342, so that the resistance of one side surface of the cylindrical block 34 in the water is further increased, and the larger the resistance of one side surface of the cylindrical block 34 is, the higher the rotating speed of the cylindrical block 34 around the rotating shaft 32 is; the other side surface of the cylindrical block 34 is set to be a bulge structure, so that the resistance of the other side surface of the cylindrical block 34 in water flow is reduced, the corrugated board is prevented from being damaged after being impacted by the bulge structure, and further the collection of raw materials is influenced, and the fin plate 343 is arranged on the other side surface of the cylindrical block 34, so that the fin plate 343 can divide water, and the resistance of water to the other side surface of the cylindrical block 34 is reduced; the groove 344 is formed in the other end face of the cylindrical block 34, the fin 343 is connected in the groove 344 in a sliding mode, meanwhile, the blind hole 346 is formed in the center of the other end face of the cylindrical block 34, the blind hole 346 is communicated with the groove 344, the other end of the cylindrical block 34 is impacted by water flow, the water flow enters the blind hole 346, the water in the blind hole 346 enters the groove 344, water pressure is generated in the groove 344, the fin 343 is under the action of the water, the fin 343 slides to the notch of the groove 344 along the groove 344, the fin 343 slides along the groove 344 under the action of the elastic force of the spring 345 through the spring 345 arranged in the groove 344, the cylindrical block 34 collides with the lower end face of the corrugated board after rotating around the rotating shaft 32, and glue on the corrugated board falls off after being impacted; when the fin 343 is separated from the water, the water in the blind hole 346 flows out, so that the water pressure in the groove 344 disappears, and meanwhile, the fin 343 slides to the bottom of the groove 344 under the action of the corrugated board; make corrugated container board can not receive fin 343 to damage under the striking, along with corrugated container board increases at the absorptive moisture of aquatic, so corrugated container board can the downstream, and a motor 4 can control two sliders 5 and be close to the motion in step to drive grinding plate 3 downstream, guaranteed grinding plate 3 and corrugated container board's contact dynamics, prevent to scrape the corrugated paper piece bad, and then influence the raw materials and collect.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.