CN218910980U - Mechanism for pressing and forming paper-plastic tableware from two-stage paper-plastic material - Google Patents

Abstract

The utility model provides a mechanism for pressing and forming paper-plastic tableware by using a second-order paper-plastic material, which is mainly applied to the forming process of tableware such as dinner plates, spoons, knives and forks with shallow depth, and utilizes the paper to plasticize the first-order article which can be sold in the market as an original embryo, and the first-order article is subjected to the operation of an intermediate program, so that the first-order article can be semi-humidified, and is rapidly molded and manufactured by Microsoft, the cost can be reduced to form the second-order article, a pulping system and a pulp sucking system are not needed, the cost and the energy consumption can be greatly saved, and the surface of the second-order finished product is flat and has no crease, and the whole structure is firmer.

Description

Mechanism for pressing and forming paper-plastic tableware from two-stage paper-plastic material

Technical Field

The utility model provides a mechanism for forming paper-plastic tableware by pressing a second-order paper-plastic material, which is mainly applied to forming tableware such as dinner plates, soup spoons, knives and forks and the like with shallower depth.

Background

The paper-plastic product forming process is divided into wet press forming and dry press forming, and mainly aims at different processes for different products, but the paper-plastic products have no shortage of products with shallow depth and thinner thickness, such as disposable tableware of dinner plates, soup spoons, knives and forks, and the like; if the wet-pressing forming mode is used, the paper-plastic tableware can not be formed to a very thin thickness, and a large amount of electric energy is consumed for drying and forming; if the dry pressing forming mode is used, products with smooth surfaces, aesthetic feeling and longer manufacturing time cannot be produced; in any forming method, a pulping system is required to be used for manufacturing paper pulp, the space and the cost required by the pulping system are large, and the two forming processes have the defects that the paper-plastic products manufactured by the two forming processes cannot meet the price of urban demands due to high time cost, high energy consumption cost and high space cost; the dinner plate which is generally finished by the forming process is required to be coated with a layer of plastic film on the surface for water resistance or oil resistance, so that the dinner plate cannot be truly decomposed after being used, the recycling difficulty is increased, and the completely decomposed environment-friendly characteristic of paper-plastic products is lost; the resulting product has two defects, namely, a smooth surface and aesthetic appearance, which are caused by the fact that the folds are left on the periphery due to different inner and outer diameters, and the defect that the periphery 61 of the dinner plate 6 is not smooth and has a blurred layer is quite aesthetic, as shown in the conventional paper-plastic product of fig. 8 and 9. The present inventors have developed the present utility model in light of the shortcomings of the conventional paper-plastic products, and have made many efforts.

Disclosure of Invention

The utility model aims to provide a mechanism for pressing and forming paper-plastic tableware by using a second-order paper-plastic material, which reduces the production cost.

The meaning of the term "two-step" in the present utility model is interpreted as a first-step paper-plastic product which is not the most original material, but is finished by the paper-making process by using the original wood material, the usage pattern of the first-step paper-plastic product is quite diversified, one of the products is a pulp board in a plane shape or a roll shape, and disposable products such as dinner plates, spoons, knife and fork which can be molded by paper plasticization, namely the first-step product, are interpreted as the "first-step product", the present utility model is a mechanism for forming paper-plastic tableware by using the first-step product for carrying out the innovating processing, namely the "second-step paper-plastic material compacting forming" which is called herein, and the commodity molded by the method is the "second-step product" which is called herein, and is known herein.

In order to achieve the above-mentioned object, the present utility model provides a mechanism for pressing and forming paper-plastic tableware from a second-order paper-plastic material, the mechanism comprising: a first-order article prepared from plant fibers; a feeding area for feeding the pulp board of the first-order article; the rendering area comprises a conveyor and a rendering mechanism, wherein the rendering mechanism is arranged at a proper position in the conveyor, the additive arranged in the rendering mechanism is heated according to the requirement, and then the rendering mechanism is utilized to render the additive to the surface of the pulp board to form a semi-wet pulp board; a static permeation area for slowly conveying the semi-wet pulp board by a slow conveyor, so that the additive slowly permeates into the semi-wet pulp board to obtain the semi-wet pulp board which is permeated by the additive and reaches the balance of the overall wettability; the shaping and cutting area comprises a hot-press shaping mechanism, a cutting mechanism and a transferring mechanism, wherein the transferring mechanism penetrates through the space between the hot-press shaping mechanism and the cutting mechanism, and a plurality of vacuum systems are arranged on the transferring mechanism for sucking the semi-wet pulp board, the semi-finished product and the finished product, so that the sucking device moves on the transferring mechanism and sucks the semi-wet pulp board, the semi-finished product and the finished product to the next proper station; a product area for stacking or collecting the product.

Further, the first-order article is a finished product subjected to a pulping process and is a planar pulp board.

Further, the first-order article is a finished product subjected to a pulping process and is a coiled pulp board.

Further, the finished product is a paper plastic dinner plate, a soup spoon or a knife and fork.

Further, the rendering mechanism is a spraying device, an electrostatic coating device, a transfer printing device or an embossing device.

Furthermore, the finished product is formed by a hot-press forming mechanism and is formed into a convex shape with a smooth appearance surface without generating wrinkles by utilizing the interweaving characteristic of plant fibers of the pulp board, and the convex shape has distinct regularity during forming.

After the technical scheme is adopted, the paper-plastic product forming mechanism is innovative aiming at the prior art, a first-order article directly manufactured by a paper mill is used as an original blank of the method, in other words, a pulping system is not used for manufacturing paper pulp in the mechanism, and the original blank (namely the first-order article) can be humidified and softened through an intermediate procedure operation, so that a second-order article can be quickly manufactured, and the production cost is reduced.

And may further be further supplemented by additives via rendering mechanisms in intermediate processes, such as: the mechanism with functions of spraying, coating, transfer printing or embossing is added to the surface layer of the pulp board of the original blank, and after standing, the pulp board is subjected to hot pressing shaping, frame cutting and other technological means, so that the second-order type article which is quick to manufacture, low in cost, flat in appearance and stiff in whole can be obtained, and the second-order type article can be a dinner plate, a soup spoon, a knife and fork or similar tableware with shallow depth.

Drawings

FIG. 1 is a schematic diagram of the mechanism of the present utility model;

FIG. 2 is a schematic view of a spray device of the present utility model;

FIG. 3 is a schematic view of an electrostatic coating apparatus of the present utility model;

FIG. 4 is a schematic view of a transfer device of the present utility model;

FIG. 5 is a schematic view of an imprinting apparatus of the present utility model;

FIG. 6 is a schematic diagram of the finished product of the present utility model;

FIG. 7 is a schematic representation of the finished product of the present utility model;

FIG. 8 is a schematic diagram of a conventional paper-plastic product;

FIG. 9 is a schematic diagram of a conventional paper-plastic product.

Symbol description: pulp board; b. semi-wet pulp sheet; c. finished product; feeding area; render area; conveyor; a rendering mechanism; spraying device; 2211. spray solvent tank; 2212. an atomizer; electrostatic coating device; 2221. electrostatic coater; 2222. roller; transfer means; 2231. Transfer solvent tank; 2232. Transfer vehicle; imprinting means; 2241. Embossing solvent tank; 2242, roller set; standing the infiltration zone; a slow speed conveyor; shaping and cutting areas; hot press shaping mechanism; a cutting mechanism; transfer means; an adsorption device; 5. finished product area; service plate; 61. peripheral; body; 71. the periphery.

Detailed Description

Referring to fig. 1, the present utility model provides a mechanism for forming paper-plastic tableware by pressing a second-order paper-plastic material, which uses a first-order article that has been plasticized by paper to be marketable, uses the first-order article as an original blank, and makes the first-order article be made by molding rapidly after being semi-humidified and microsoft by an intermediate process, and reduces the cost to be a second-order article.

The intermediate procedure described above comprises: forming the first-order article into a semi-wet state by a rendering method, wherein the rendering method comprises the steps of utilizing an additive, wherein the additive comprises a waterproof agent, an oil-proof agent, other solvents and the like; the additive can be uniformly coated on the surface of the first-order article by using an electrostatic coating mode, and the first-order article still keeps a semi-wet state; using an imprinting mode, the additive can be imprinted on the surface of the first-order article; the first-order article can be molded into a second-order article by using a hot press molding mode.

A mechanism for compression molding paper plastic tableware from a two-stage paper plastic material, the intermediate process of the method comprising a mechanism for molding a first-stage article into a second-stage article, the mechanism comprising: a first-order article made of plant fiber as raw material and by common paper-making technology; a pulp board a is used as an example of a step article in this specification. The pulp board A is a paper board which is made of plant fibers by biological enzyme pulping or other pulping processes and is made of common paper making technology, and can be used as a whole roll of paper or a single paper; a feeding area 1 for feeding the pulp board A of the first-order article automatically into the intermediate process for subsequent operation.

The intermediate program includes: a rendering area 2 comprising a conveyor 21 and a rendering mechanism 22, wherein the rendering mechanism 22 comprises a spraying device 221, an electrostatic coating device 222, a transfer device 223 or a stamping device 224, and other rendering mechanisms 22 (refer to fig. 2-5), the rendering mechanism 22 is arranged at a proper position in the conveyor 21, the additive arranged in the rendering mechanism 22 is heated as required, and then the rendering mechanism 22 is utilized to render a proper amount of additive to the surface of the pulp board A to form a semi-wet pulp board B, wherein the additive comprises a waterproof agent, an oil-proof agent or other solvents; a stationary infiltration zone 3 for slowly transporting the semi-wet slurry sheet B by using a slow conveyor 31 so that the additive can slowly infiltrate into the inside of the semi-wet slurry sheet B to obtain the semi-wet slurry sheet B having the overall wettability balanced by the additive infiltrated therein; a shaping and cutting area 4, which is composed of a hot press shaping mechanism 41, a cutting mechanism 42 and a transferring mechanism 43, wherein the transferring mechanism 43 penetrates between the hot press shaping mechanism 41 and the cutting mechanism 42, and a plurality of adsorbing devices 431 with vacuum systems for sucking the semi-wet pulp board B, the semi-finished product and the finished product C are arranged on the transferring mechanism 43, so that the adsorbing devices 431 can displace on the transferring mechanism 43 and adsorb the semi-wet pulp board B, the semi-finished product and the finished product C to the next proper station; a finished product zone 5 for placing the stacked finished products C.

The production process flow of the utility model is as follows: the pulp board A is placed on a feeding area 1, the pulp board A is transferred to a rendering mechanism 22 through a conveyor 21 of a rendering area 2 in an intermediate procedure, a proper amount of additive is rendered on the surface of the pulp board A through the rendering mechanism 22 to form a semi-wet pulp board B, the semi-wet pulp board B is transferred to a standing permeation area 3 through the conveyor 21, the additive slowly permeates into the semi-wet pulp board B through the slow movement of the standing permeation area 3, after the expected permeation balance time is reached, the semi-wet pulp board B is transferred to a hot press shaping mechanism 41 through an adsorption device 431 arranged on a transfer mechanism 43 of a shaping cutting area 4, a dried semi-finished product is obtained after hot press drying shaping of the hot press shaping mechanism 41, the semi-finished product is transferred to a cutting mechanism 42 through the adsorption device 431 of the transfer mechanism 43, the appearance profile of the semi-finished product is cut, and a complete paper-plastic tableware product C is obtained through the adsorption device 431 of the transfer mechanism 43.

Referring to fig. 6 and 7, the paper plastic tableware product C is formed by directly hot-pressing the pulp board a, and the pulp board a is made of plant fibers, so that the product C has smooth surface without wrinkles, the product C body 7 and the periphery 71 have distinct regularity and are beautiful, the convex shape formed during forming can be used as structural reinforcement besides increasing the aesthetic property, the whole product C structure has better toughness due to the convex shape reinforcement, and can bear more weight without distortion.

Referring to fig. 2, one of the rendering modes of the rendering mechanism 22 of the present utility model is to use a spraying device 221, which uses a spraying solvent tank 2211 disposed above a conveyor 21 for placing and heating the additives, the spraying solvent tank 2211 is provided with a plurality of atomizing nozzles 2212, when the pulp board a is conveyed to the lower side of the spraying device 221 by the conveyor 21, the atomizing nozzles 2212 are started to spray the additives on the surface of the moving pulp board a, and then the pulp board a is transferred to the static permeation area 3 by the conveyor 21 for permeation balance.

Referring to fig. 3, one of the rendering modes of the rendering mechanism 22 of the present utility model is to use an electrostatic coating device 222, which uses an electrostatic coater 2221 with rollers 2222 to be placed at a proper position of the conveyor 21 of the rendering area 2, and then the pulp board a is driven by the rollers 2222, so that the electrostatic coater 2221 uniformly coats the additive on the surface of the pulp board a, so that the pulp board a coated with the additive is wet to form a semi-wet pulp board B, and then the semi-wet pulp board B is transferred to the static infiltration area 3 for infiltration balance via the conveyor 21.

Referring to fig. 4, one of the rendering modes of the rendering mechanism 22 of the present utility model is to use a transfer device 223, which uses a transfer carrier 2232 to drop to a transfer solvent tank 2231 for adhering the additive, then moves the transfer carrier 2232 to above the conveyor 21 and drops down the pulp board a, so that the additive adhered to the transfer carrier 2232 is stamped on the surface of the pulp board a to form a semi-wet pulp board B, and then is transferred to the static permeation zone 3 via the conveyor 21 for static permeation balance.

Referring to fig. 5, one of the rendering modes of the rendering mechanism 22 of the present utility model is to use an embossing device 224, which connects a pair of roller sets 2242 under an embossing solvent tank 2241, so that the additive flows to the roller sets 2242 through the embossing solvent tank 2241, and then the pulp board a is rolled by the upper and lower rollers of the roller sets 2242, so as to emboss the additive on the surface of the pulp board a to form a semi-wet pulp board B, and then the semi-wet pulp board B is transferred to the static permeation zone 3 through the conveyor 21 for static permeation balance.

As described above, the present utility model has the following advantages: 1. the pulping system is not needed, and only the first-order objects, namely the whole roll of pulp board A, are continuously fed to form the paper-plastic product, so that the pulping cost and the space cost of the pulping system are saved. 2. The energy consumption of a vacuum system, the cost of the pulp sucking mechanism and the space cost can be saved without the pulp sucking mechanism. 3. The different configurations of the rendering mechanism 22 are used to achieve the surface requirements of the finished paper-plastic product for different product additives (including water repellent, oil repellent or other solvents) requirements. 4. The finished product C formed by the process has smooth surface, distinct layers and aesthetic feeling, and improves commercial competitiveness. 5. The finished product C formed by the process can be used for reinforcing the structure by utilizing the convex shape, so that the whole finished product C structure has better toughness due to the reinforcing of the convex shape, the bearing capacity can be increased, the distortion is not caused, and the practicability is higher. 6. The finished product C formed by the process directly renders the solvent, and can be directly decomposed without additional processing after use, so that the aim of really having the effect of environmental protection is fulfilled.

Claims (6)

1. The utility model provides a mechanism of second order type paper plastic material compression moulding paper plastic tableware which characterized in that: the mechanism comprises: a first-order article prepared from plant fibers; a feeding area for feeding the pulp board of the first-order article; the rendering area comprises a conveyor and a rendering mechanism, wherein the rendering mechanism is arranged at a proper position in the conveyor, the additive arranged in the rendering mechanism is heated according to the requirement, and then the rendering mechanism is utilized to render the additive to the surface of the pulp board to form a semi-wet pulp board; a static permeation area for conveying the semi-wet pulp board by a slow conveyor, so that the additive slowly permeates into the semi-wet pulp board to obtain the semi-wet pulp board which is permeated by the additive and reaches the balance of the overall wettability; the shaping and cutting area comprises a hot-press shaping mechanism, a cutting mechanism and a transferring mechanism, wherein the transferring mechanism penetrates through the space between the hot-press shaping mechanism and the cutting mechanism, and a plurality of vacuum systems are arranged on the transferring mechanism for sucking the semi-wet pulp board, the semi-finished product and the finished product, so that the sucking device moves on the transferring mechanism and sucks the semi-wet pulp board, the semi-finished product and the finished product to the next proper station; a product area for stacking or collecting the product.

2. The mechanism for press forming paper-plastic tableware of second-order paper-plastic material according to claim 1, wherein: the first-order article is a finished product subjected to a pulping process and is a planar pulp board.

3. The mechanism for press forming paper-plastic tableware of second-order paper-plastic material according to claim 1, wherein: the first-order article is a finished product subjected to a pulping process and is a coiled pulp board.

4. The mechanism for press forming paper-plastic tableware of second-order paper-plastic material according to claim 1, wherein: the finished product is a paper plastic dinner plate, a soup spoon or a knife and fork.

5. The mechanism for press forming paper-plastic tableware of second-order paper-plastic material according to claim 1, wherein: the rendering mechanism is a spraying device, an electrostatic coating device, a transfer printing device or an embossing device.

6. The mechanism for press forming paper-plastic tableware of claim 1 wherein said product is formed by a hot press forming mechanism and utilizes the plant fiber interweaving characteristics of pulp board to form a convex shape with smooth and flat appearance surface without generating wrinkles and with well-defined regularity.

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