Bamboo fiber paper holder product preparation process

Abstract

The invention provides a bamboo fiber paper tray product preparation process which comprises the following steps: S1, during use, conveying raw materials comprising 60% by weight of wood fibers and 40% by weight of bamboo fibers into a crusher, crushing, conveying into a stirrer, and adding clear water to form paper pulp; s2, the stirred paper pulp is conveyed into a storage pool, then the paper pulp in the storage pool is pumped into a mold through a feeding piece, then pressing is conducted through a pressing piece, and water overflowing during pressing is filtered and recycled into the stirrer through a recycling piece to be continuously recycled; s3, the pressed paper pulp and the mold are conveyed to a containing frame to be placed, then the containing frame is pushed into a drying machine to be dried, and therefore a bamboo fiber paper holder product is formed; the hardness of the paper support product can be increased, and the paper support product can be prepared and formed.

Description

Technical Field

[0001] The invention relates to the technical field of production and manufacturing of paper tray products, in particular to a preparation process of bamboo fiber paper tray products. Background Art

[0002] The scientific name of paper tray is pulp molding, and its English name is Molded Pulp Packaging, or MPP for short. It is made of waste newspapers, carton scraps, recycled paper tubes, log pulp boards or sugarcane pulp residues, etc., which are mixed into a certain concentration of pulp through hydraulic pulping and batching processes. The pulp is vacuum-adsorbed on a special metal mold to form a wet blank product, which is then dried and hot-pressed to form a pulp product.

[0003] Paper trays are designed and manufactured according to the geometric shape, specification standards and protection requirements of the products to be packaged. They have ideal protective effects such as cushioning, shockproof, pressure-resistant, impact-resistant, anti-static, anti-corrosion and moisture-proof. They are widely used in the lining packaging of glassware, ceramics, electronic appliances, mechanical parts, instruments and meters, tools and toys, mobile phones and other products.

[0004] In the field of mobile communications, the foamed plastic packaging materials used in base station antennas have the disadvantages of large volume, inability to weather the waste naturally, and harmful gases generated by incineration. With the increasing demand for green environmental protection transformation, paper tray packaging materials can replace foamed plastic packaging materials. However, since the paper trays in the prior art are made of waste paper, the molded products may be distorted when demolded during subsequent hot pressing molding. Therefore, the paper trays made of waste paper may be insufficient in hardness and deformed, which will affect subsequent use and reduce product quality. At the same time, the structural strength is not high. The weight of base station antenna products is generally tens of kilograms, and the antenna products will be continuously vibrated and impacted during long-distance transportation. At the same time, there may be the possibility of falling and impacting during the handling process. Therefore, the packaging of base station antennas is required to have good protective performance. The use of paper trays as packaging materials for base station antennas requires high dimensional accuracy and better fit to the antenna products to ensure adequate protection. At the same time, it should have a relatively high overall structural strength to ensure that the overall structure is not damaged when subjected to vibration and falling impact. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a bamboo fiber paper tray product preparation process which can increase the hardness and overall structural strength of the paper tray product and realize the preparation and molding of the paper tray product.

[0006] The present invention is implemented by the following method: A bamboo fiber paper tray product preparation process comprises the following steps:

[0007] Step S1, when in use, the raw materials with a weight ratio of 60% wood fiber and 40% bamboo fiber are transported to a crusher, crushed and transported to a mixer, and clean water is added to turn into pulp;

[0008] Step S2, conveying the stirred pulp to a storage tank, then pumping the pulp in the storage tank into a mold through a feeding part, and then pressing it through a pressing part, and filtering and recycling the water overflowed during pressing into a mixer through a recycling part for continuous recycling;

[0009] Step S3, conveying the pressed pulp and the mold to a placement rack for placement, and then pushing the placement rack into a dryer for drying, thereby forming a bamboo fiber paper tray product.

[0010] Furthermore, a stirring member is provided in the mixer, and the stirring member includes a driving motor. The driving motor is provided on the upper surface of the mixer, and a stirring blade is provided on the output shaft of the driving motor.

[0011] Furthermore, the loading part includes a first gantry and a support frame, the support frame is arranged above the storage tank, and conveyor belts for conveying the mold are arranged at both left and right ends of the support frame, the first gantry is sleeved on the conveyor belt, and an extension plate extends inward from the inner side of the lower end of the vertical plate of the first gantry, and a first telescopic cylinder is arranged on the extension plate, and a lifting plate is arranged at the end of the telescopic rod of the first telescopic cylinder, and a U-shaped feeding pipe is embedded on the lifting plate, and the discharge end of the U-shaped feeding pipe is connected to the injection head corresponding to the mold, and the U-shaped feeding pipe is connected to the storage tank via a feeding pipe.

[0012] Furthermore, the pressing part includes a second gantry, which is sleeved on the conveyor belt, and the second gantry and the first gantry are arranged front and back, and the left and right ends of the horizontal plate of the second gantry are embedded with second telescopic cylinders, and the end of the telescopic rod of the second telescopic cylinder is provided with a pressing block corresponding to the mold; the recycling part includes a recycling box with an open upper surface, the recycling box is arranged below the conveyor belt, and the recycling box is arranged corresponding to the pressing block, the conveyor belt body of the conveyor belt is a filter net, the recycling box is connected to a filter box via a water outlet pipe, a filter is arranged at the bottom of the filter box, an activated carbon filter plate is arranged at the upper end of the filter box, a water pump is arranged on the upper surface of the filter box, and the water pump is connected to the mixer via a pipeline.

[0013] Furthermore, the placement rack includes a supporting frame, which is arranged at the discharge port of the conveyor belt. The left and right sides of the supporting frame are provided with strip grooves, and a synchronous motor is arranged in the strip groove. The output end of the synchronous motor is connected to a screw, and a moving block is spirally sleeved on the screw. A transfer conveyor belt is arranged between the moving blocks at the left and right ends. A transport rack is docked at the discharge port of the support frame, and a plurality of placement plates are arranged on the transport rack at equal distances.

[0014] The beneficial effects of the present invention are as follows: the present invention uses wood fiber and bamboo fiber as raw materials to prepare paper tray products, thereby increasing the hardness of the paper tray products and being able to achieve better pressing and molding of the paper tray products, and being able to realize the operation process from raw materials to pressing and molding of paper trays, thereby realizing the molding preparation of paper tray products, which can achieve the effect of not fading and powdering easily, increasing the waterproof and moisture-proof rate and enhancing the hardness, and solving the problems of large wastewater discharge and excessive dye usage in the existing paper tray production methods, and having broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a process flow chart of the present invention.

[0016] Figure 2 It is a structural schematic diagram of the present invention.

[0017] Figure 3 It is the front view of the present invention.

[0018] Figure 4 It is a schematic diagram of the structure of the placement rack.

[0019] Figure 5 It is a top view of the placement rack. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] See also Figure 1 As shown, the present invention provides: a bamboo fiber paper tray product preparation process, comprising the following steps:

[0022] Step S1: When in use, the raw materials with a weight ratio of 60% wood fiber and 40% bamboo fiber are transported to the crusher 1.

[0023] After being crushed, it is transported to the mixer 2, and water is added to turn it into pulp;

[0024] Step S2, conveying the stirred pulp to the storage tank 3, then pumping the pulp in the storage tank 3 to the mold 5 through the feeding part 4, and then pressing it through the pressing part 6, and the water overflowed during pressing is filtered and recovered by the recovery part 7 to the mixer 2 for further recycling, so as to achieve environmentally friendly recycling;

[0025] Step S3, conveying the pressed pulp and the mold 5 to a placement rack 8 for placement, and then pushing the placement rack 8 into a dryer for drying, and solidifying and forming after drying, thereby forming a bamboo fiber paper tray product.

[0026] Paper fibers appear flocculent in water.

[0027] The ratio of clean water added: the ratio of water to pulp is 60% water and 40% pulp; the temperature requirement of the storage tank: room temperature; the pressure range of pressed parts: 40 tons--60 tons; drying temperature and drying time: the drying temperature is room temperature plus ventilation, the drying time is 12-24 hours, and the influencing factors are temperature and humidity; the moisture content requirement after drying: 6%-15%, which varies with the weather and humidity.

[0028] Please continue reading Figure 2 and Figure 3 As shown, in one embodiment of the present invention, the stirrer 2 is provided with a stirring member 21, and the stirring member 21 includes a driving motor 22, and the driving motor 22 is provided on the upper surface of the stirrer 2, and a stirring blade 23 is provided on the output shaft of the driving motor 22. The driving motor 22 can drive the stirring blade 23 to stir, so that the slurry can be evenly mixed.

[0029] Please continue reading Figure 2 and Figure 3 As shown, in one embodiment of the present invention, the feeding member 4 includes a first gantry 41 and a support frame 42, the support frame 42 is arranged above the storage tank 3, and the left and right ends of the support frame 42 are provided with a conveyor belt 43 for conveying the mold 5, the first gantry 41 is sleeved on the conveyor belt 43, and an extension plate 44 is extended inwardly from the inner side of the lower end of the vertical plate of the first gantry 41, and a first telescopic cylinder 45 is arranged on the extension plate 44, and a lifting plate 46 is arranged at the end of the telescopic rod of the first telescopic cylinder 45, and a U-shaped discharge pipe 47 is embedded on the lifting plate 46, and the discharge end of the U-shaped discharge pipe 47 is connected to the injection head 48 corresponding to the mold 5, and the U-shaped discharge pipe 47 is connected to the storage tank 3 through the feeding pipe 49. The lifting plate 46 can be driven up and down by the first telescopic cylinder 45, and the slurry can be injected and transported into the mold 5 by the injection head 48, which is convenient for the subsequent molding operation of the bamboo fiber paper tray.

[0030] Please continue reading Figure 2 and Figure 3As shown, in one embodiment of the present invention, the pressing member 6 includes a second gantry 61, which is sleeved on the conveyor belt 43, and the second gantry 61 and the first gantry 41 are arranged front and back, and the left and right ends of the horizontal plate of the second gantry 61 are embedded with second telescopic cylinders 62, and the end of the telescopic rod of the second telescopic cylinder 62 is provided with a pressing block 63 corresponding to the mold 5; the recycling member 7 includes a recycling box 71 with an open upper surface, the recycling box 71 is arranged below the conveyor belt 43, and the recycling box 71 is arranged corresponding to the pressing block 63, the conveyor belt body of the conveyor belt 43 is a filter net, the recycling box 71 is connected to a filter box 73 through a water outlet pipe 72, a filter 74 is arranged at the bottom of the filter box 73, an activated carbon filter plate 75 is arranged at the upper end of the filter box 73, and a water pump 76 is arranged on the upper surface of the filter box 73, and the water pump 76 is connected to the mixer 2 through a pipeline 77. The second telescopic cylinder 62 can drive the pressing block 63 to move up and down, so as to realize the pressing and forming of the slurry to form a bamboo fiber paper tray. When the slurry is pressed, the excess slurry will flow from the filter screen into the recovery box 71, and then be filtered through the filter box 73, and the filtered water will be transported to the mixer 2 for reuse, so that the water can be reused.

[0031] Please continue reading Figure 4 and Figure 5 As shown, in one embodiment of the present invention, the placement rack 8 includes a support frame 81, the support frame 81 is arranged at the discharge port of the conveyor belt 43, the left and right sides of the support frame 81 are provided with strip grooves 82, a synchronous motor (not shown) is arranged in the strip groove 82, the output end of the synchronous motor is connected to a screw 83, a moving block (not shown) is spirally sleeved on the screw 83, a transfer conveyor belt 84 is arranged between the moving blocks at the left and right ends, and a transport rack 85 is docked at the discharge port of the support frame 81, and a plurality of placement plates 86 are arranged at equal distances on the transport rack 85. The screw 83 can be driven to rotate by the synchronous motor, so that the transfer conveyor belt 84 can be lifted up and down, and the material receiving operation when the conveyor belt 43 is discharged can be realized, and then the received mold is transported to the placement plate 86 for transportation.

[0032] The conveyor belt, crusher, water pump, synchronous motor, drive motor, filter, telescopic cylinder, dryer and injection molding head of the present invention are all prior art, which can be clearly understood by those skilled in the art and will not be described in detail here. The filter can be a sewage filter in the prior art, which is a known technology and will not be described in detail here.

[0033] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A bamboo fiber paper tray product preparation process, characterized in that: The following steps are involved: Step S1, when in use, the raw materials with a weight ratio of 60% wood fiber and 40% bamboo fiber are transported to a crusher, crushed and transported to a mixer, and clean water is added to turn into pulp; Step S2, conveying the stirred pulp to a storage tank, then pumping the pulp in the storage tank into a mold through a feeding part, and then pressing it through a pressing part, and filtering and recycling the water overflowed during pressing into a mixer through a recycling part for continuous recycling; Step S3, conveying the pressed pulp and the mold to a placement rack for placement, and then pushing the placement rack into a dryer for drying, thereby forming a bamboo fiber paper tray product.

2. The process for preparing a bamboo fiber paper tray product according to claim 1, characterized in that: The mixer is provided with a stirring member, the stirring member comprises a driving motor, the driving motor is arranged on the upper surface of the mixer, and a stirring blade is arranged on the output shaft of the driving motor.

3. The process for preparing a bamboo fiber paper tray product according to claim 1, characterized in that: The loading part includes a first gantry and a support frame, the support frame is arranged above the storage tank, and conveyor belts for conveying the mold are arranged at both left and right ends of the support frame. The first gantry is sleeved on the conveyor belt, and an extension plate extends inwardly from the inner side of the lower end of the vertical plate of the first gantry, and a first telescopic cylinder is arranged on the extension plate, and a lifting plate is arranged at the end of the telescopic rod of the first telescopic cylinder, and a U-shaped feeding pipe is embedded on the lifting plate, and the discharge end of the U-shaped feeding pipe is connected to the injection head corresponding to the mold, and the U-shaped feeding pipe is connected to the storage tank via a feeding pipe.

4. The process for preparing a bamboo fiber paper tray product according to claim 3, characterized in that: The pressing part includes a second gantry, which is sleeved on the conveyor belt, and the second gantry and the first gantry are arranged front and back, and the left and right ends of the horizontal plate of the second gantry are embedded with second telescopic cylinders, and the end of the telescopic rod of the second telescopic cylinder is provided with a pressing block corresponding to the mold; the recycling part includes a recycling box with an open upper surface, and the recycling box is arranged below the conveyor belt, and the recycling box is arranged corresponding to the pressing block, the conveyor belt body of the conveyor belt is a filter net, and the recycling box is connected to a filter box through a water outlet pipe, a filter is arranged at the bottom of the filter box, an activated carbon filter plate is arranged at the upper end of the filter box, and a water pump is arranged on the upper surface of the filter box, and the water pump is connected to the mixer through a pipeline.

5. The process for preparing a bamboo fiber paper tray product according to claim 3, characterized in that: The placement rack includes a support frame, and the support frame is arranged at the discharge port of the conveyor belt. The left and right sides of the support frame are provided with strip grooves, and a synchronous motor is arranged in the strip groove. The output end of the synchronous motor is connected to a screw rod, and a moving block is spirally sleeved on the screw rod. A transfer conveyor belt is arranged between the moving blocks at the left and right ends. A transport rack is docked at the discharge port of the support frame, and a plurality of placement plates are arranged on the transport rack at equal distances.

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