CN111501418A - Mold for scald-proof paper-plastic container - Google Patents
Mold for scald-proof paper-plastic container Download PDFInfo
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- CN111501418A CN111501418A CN201910095060.9A CN201910095060A CN111501418A CN 111501418 A CN111501418 A CN 111501418A CN 201910095060 A CN201910095060 A CN 201910095060A CN 111501418 A CN111501418 A CN 111501418A
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- hot
- pressing
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
Abstract
A mould for preventing scald paper-plastic container is composed of a pulp sucking mould for immersing in a pulp box to suck pulp, a hot-pressing upper mould for extruding the pulp layer to become a primary blank, a hot-pressing upper mould for matching with said hot-pressing lower mould to extrude the primary blank again, and a hot-pressing lower mould for matching with said hot-pressing upper mould to dry the primary blank to become a paper-plastic container.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a mold for a scald-proof paper-plastic container, and more particularly to a mold for a scald-proof paper-plastic container capable of completing the manufacture of a scald-proof paper-plastic container.
[ background of the invention ]
The paper cup with the outer paper and the paper bowl with the outer paper are disposable food containers which are often seen in modern life, and the disposable food containers are common to paper users at present, so the disposable food containers are also named as disposable paper containers, disposable paper containers and the like.
The conventional paper container is made of paper sheets, and is manufactured into a body and a bottom sheet combined with the body, wherein the body and the bottom sheet define a volume range, i.e. a containing space, the paper sheet bottom of the body and the paper sheet periphery of the bottom sheet are combined by the laminating and rolling means to surround a bottom space, the paper sheet top of the body is bent outwards to form a top edge, and a gap is formed inside the top edge. The conventional paper container is made of only sheet-shaped paper sheets, so that the conventional paper container is not suitable for containing hot food (hot soup, hot coffee, hot tea and the like) without other better substitutes, but the conventional paper container has the defects of poor scald-proof effect, poor heat-resistant effect, easy softening (particularly easy softening at the top edge) when being heated, difficult heat dissipation at the bottom and the like in actual use.
Under the natural environment requirements of 'material circulation', 'green environment protection' and 'friendly earth', the applicant has developed a 'scald-proof paper-plastic container' product manufactured by 'paper-plastic product manufacturing technology', which can gradually replace the conventional common paper container. The manufacturing technology of paper-plastic products is that pulp fiber material and/or plant fiber material are mixed and beaten into pulp material, which is injected into a pulp tank, then enters the pulp tank from a pulp sucking mould to be adhered into a pulp layer, the pulp layer is extruded and dehydrated into a primary blank, and the primary blank is shaped into paper-plastic products by hot pressing.
In order to complete the manufacture of the scald-proof paper-plastic container, a mold for the scald-proof paper-plastic container must be created first, and then the scald-proof paper-plastic container can be manufactured through the mold, so that the forming mold is also an important manufacturing apparatus.
[ summary of the invention ]
The invention aims to provide the following steps: provides a mould of a scald-proof paper-plastic container with a brand-new structure to complete the manufacture of the scald-proof paper-plastic container.
In order to achieve the above object, the present invention specifically creates a mold for an anti-scald paper-plastic container, comprising a slurry absorbing mold, a hot-pressing upper mold and a hot-pressing lower mold, wherein the slurry absorbing mold has a base, a ring-concave forming groove is formed in the central portion of the base, the inner edge of the forming groove rises upwards to form a tapered cylinder, at least three equally-surrounded chutes are formed on the periphery of the top surface of the tapered cylinder, the chutes are spaced to form upright arc blocks, and the middle surrounded by the chutes and the upright arc blocks is a concave arc surface; the hot-pressing upper die is provided with a base, the central part of the base is provided with an upper half-shaped groove surface which is annularly concave, the inner edge of the upper half-shaped groove surface rises upwards to form a pulling cylinder, the periphery of the top surface of the pulling cylinder is provided with at least three inclined grooves which are equally surrounded, the inclined grooves are separated into arc blocks, the middle part surrounded by the inclined grooves and the arc blocks is provided with a plurality of concave arc surfaces, and the positions, the shapes and the sizes of the inclined grooves, the arc blocks and the arc surfaces of the hot-pressing upper die correspond to those of the inclined grooves, the arc blocks and the arc surfaces of the slurry suction die in a one-to-one correspondence manner; the hot-pressing lower die is provided with a base, one side of the base is a raised high platform, the central part of the high platform is provided with a downwards deep pushing and pulling circular groove, the top edge of the pushing and pulling circular groove is provided with a lower semi-arc surface, the inner wall of the pushing and pulling circular groove is symmetrically provided with a plurality of concave edge strips in two areas, the concave edge strips are vertically arranged, the bottom surface of the pushing and pulling circular groove is downwards pushed out and provided with at least three grooves which are uniformly and circularly arranged, the inner edges of the grooves are communicated, the center of the grooves is connected with an upper concave arc surface, and the parts among the at least three grooves which are uniformly and circularly arranged are step surfaces; the position, shape and size of the lower half-shaped cambered surface of the hot-pressing lower die correspond to the upper half-shaped groove surface of the hot-pressing upper die, and the position, shape and size of the step surface, the groove and the cambered surface of the hot-pressing lower die correspond to the chute, the vertical arc block and the cambered surface of the hot-pressing upper die in a one-to-one mode.
In the above mentioned mold for scald-proof paper-plastic container, the inner volume of the push-pull circular groove of the lower hot-pressing mold is larger than the volume of the push-pull cylinder of the upper hot-pressing mold.
The invention has the advantages and beneficial effects that: according to the structure, the paper-plastic container is a scald-proof paper-plastic container particularly suitable for containing hot food and hot soup, and the paper-plastic container is manufactured by adopting the pulp absorbing mold, the hot-pressing upper mold and the hot-pressing lower mold according to the manufacturing technology of paper-plastic products.
[ description of the drawings ]
FIG. 1 is a perspective view showing a pulp suction die in the present invention.
FIG. 2 is a side view of the pulp suction die of the present invention.
FIG. 3 is a longitudinal sectional view of the pulp suction die of the present invention.
FIG. 4 is a schematic view showing the slurry layer adsorbed by the slurry adsorption die in the present invention.
Fig. 5 is a perspective view showing a hot-press upper die of the present invention.
Fig. 6 is a longitudinal sectional view showing an upper hot press mold according to the present invention.
FIG. 7 is a schematic view showing the adsorption of the primary blank by the upper hot-press mold according to the present invention.
Fig. 8 is a perspective view of the lower die for hot pressing in the present invention.
Fig. 9 is a longitudinal sectional view of the lower hot press mold of the present invention.
FIG. 10 is a schematic view showing the assembly of the upper and lower hot-press dies of the present invention to form a paper-plastic container by hot pressing.
Fig. 11 is a perspective view of a molded paper-plastic container made according to the present invention.
Fig. 12 is a perspective view of another angle of the formed paper-plastic container manufactured by the present invention.
Fig. 13 is a longitudinal sectional view of a formed paper-plastic container manufactured by the present invention.
Figure 14 is a transverse cross-sectional view of a formed paper-plastic container made in accordance with the present invention.
The numbers in the figures illustrate the following:
pushing cylinder 13 of forming groove 12 of base 11 of pulp sucking die 10
Hot-pressing upper die 20 for chute 14 vertical arc block 15 arc surface 16
Tapered slot 24 of tapered cylinder 23 is pulled out on upper half grooved surface 22 of base 21
Lower half arc surface 32 tapered circular groove 33 concave edge strip 34 groove 35
Initial blank B of 37-stage slurry layer A with 36-stage cambered surface
The accommodation space 43 supports the foot 44 and the top edge 45 of the flow space 441
[ detailed description ] embodiments
The invention is used for implementing the manufacturing technology of paper-plastic products to manufacture the anti-scald paper-plastic container, so the mould of the anti-scald paper-plastic container protected by the invention comprises a pulp sucking mould 10, a hot-pressing upper mould 20 and a hot-pressing lower mould 30, please refer to fig. 1-4, the pulp sucking mould 10 has a base 11 which is a square base, the central part of the base 11 is provided with a ring-shaped concave forming groove 12, the inner edge of the forming groove 12 is upwards erected into a push-pull cylinder 13, the periphery of the top surface of the push-pull cylinder 13 is provided with at least three equally-divided surrounding inclined grooves 14, the intervals are upright arc blocks 15, the middle surrounded by the inclined grooves 14 and the upright arc blocks 15 is a plurality of micro-arc surfaces 16, and the pulp sucking mould 10 is formed by the structure.
The inside of the slurry suction mold 10 is connected with a suction device, the surface of the pushing cylinder 13 has the slurry suction function by the suction function of the suction device, the base 11 is connected with a moving device and can move up and down along with the moving device, even can turn over up and down along with the moving device when needed, and the movement is not limited. When the slurry sucking mold 10 is used, the base 11 is driven to move by the moving device, and all parts of the slurry sucking mold 10 including the forming groove 12, the pushing and pulling cylinder 13, the chute 14, the vertical arc block 15 and the arc surface 16 are driven to sink into the slurry tank to suck slurry, so that a slurry layer A is adsorbed on the outer surface of the slurry sucking mold 10 including the forming groove 12, the pushing and pulling cylinder 13, the chute 14, the vertical arc block 15 and the arc surface 16, as shown in the state of fig. 4, when the slurry sucking time is up, the moving device drives the slurry sucking mold 10 to adsorb the whole slurry layer A and move upwards to leave the slurry tank, and then the moving device further drives the slurry sucking mold 10 to adsorb the slurry layer A to move upwards and a cold pressing mold arranged additionally presses the slurry layer A to reduce the moisture of the slurry layer A into an initial slurry B (firstly, refer to be shown in fig. 7).
Referring to fig. 5 to 7, the upper hot-pressing mold 20 has a base 21, which is a rectangular base, the center of the base 21 is provided with an annular concave upper half-groove surface 22, the inner edge of the upper half-groove surface 22 rises upwards to form a tapered cylinder 23, the periphery of the top surface of the tapered cylinder 23 is provided with at least three equally-surrounded inclined grooves 24, the intervals are arc blocks 25, and the middle surrounded by the inclined grooves 24 and the arc blocks 25 is provided with a plurality of slightly concave arc surfaces 26, such a structure forms the upper hot-pressing mold 20, wherein the positions, shapes and sizes of the inclined grooves 24, the arc blocks 25 and the arc surfaces 26 of the upper hot-pressing mold 20 correspond to the inclined grooves 14, the arc blocks 15 and the arc surfaces 16 of the slurry suction mold 10 one-to-one. In use, when the slurry sucking mold 10 sucks the primary blank B, the primary blank B is transferred by a transfer mechanism and sucked by the upper hot press mold 20, as shown in fig. 7.
Then, referring to fig. 8-10, the lower hot pressing mold 30 has a base 31, which is a rectangular base, one side of the base 31 is a raised platform, the center of the raised platform is provided with a downward deep tapered circular groove 33, the top edge of the raised platform is provided with a lower half-shaped arc surface 32, the inner wall of the tapered circular groove 33 is symmetrically provided with a plurality of two concave edge strips 34, which are vertically arranged, the bottom surface of the tapered circular groove 33 is pushed downward and provided with at least three equally-surrounded grooves 35, the inner edges of the grooves 35 are communicated and connected to a slightly-upward-concave arc surface 36 at the center, the bottom surface of the tapered circular groove 33 is provided with a step surface 37, which is not pushed downward, at the positions between the at least three equally-surrounded grooves 35 except the downward-opened grooves 35 and the communicated and connected arc surfaces 36, so as to form the lower hot pressing mold 30, the inner volume of the tapered circular groove 33 of the lower hot press die 30 is slightly larger than the volume of the tapered cylinder 23 of the upper hot press die 20, the position, shape and size of the lower half-shaped arc surface 32 of the lower hot press die 30 correspond to the upper half-shaped groove surface 22 of the upper hot press die 20, and the position, shape and size of the step surface 37, the groove 35 and the arc surface 36 of the lower hot press die 30 correspond to the inclined groove 24, the upright arc block 25 and the arc surface 26 of the upper hot press die 20 one-to-one. The mold clamping operation of the hot press upper mold 20 and the hot press lower mold 30 is performed, as shown in fig. 10.
When in use, after the hot-pressing upper die 20 receives and adsorbs the primary blank B, the pulling cylinder 23 of the hot-pressing upper die 20 and the primary blank B are inserted together toward the pulling circle 33 of the hot-groove lower die 30 into the state shown, and in the action and state shown in fig. 10, the die assembly of the hot-pressing upper die 20 and the hot-pressing lower die 30 will again squeeze the primary blank B, so that the shape is the desired size shape, and the primary blank B is dried into a paper-plastic container 40 by the hot-pressing action. Therefore, the manufacturing process includes transferring the slurry suction mold 10 to suck slurry to form a slurry layer A, performing cold press mold closing and extrusion molding to form a primary blank B, performing absorption by the hot press upper mold 20, performing mold closing and shaping by the hot press upper mold 20 to absorb the primary blank B and the hot press lower mold 30, and performing hot press on the primary blank B to form the paper-plastic container 40.
The structure of the paper-plastic container 40 is as shown in fig. 11-14, and has a body 41 surrounding a circle and a bottom plate 42 combined at the bottom, the volume range defined by the body 41 and the bottom plate 42 is a containing space 43, a plurality of flanges 411 protruding more than the body 41 are formed on the symmetrical surface body of the two outer surface areas of the body 41, the flanges 411 are vertically arranged, the plurality of flanges 411 are generated, that is, when the hot pressing upper die 20 and the hot pressing lower die 30 are closed, the plurality of concave edge strips 34 formed on the inner wall of the tapered circular groove 33 extrude the blank B to be molded, and the blank B is formed by hot pressing and shaping; the top of the body 41 and the flange 411 together will extrude the blank B through the upper half-shaped groove surface 22 and the lower half-shaped arc surface 32 when the upper hot-pressing mold 20 and the lower hot-pressing mold 30 are closed, so as to mold and generate a solid and strong top edge 45; meanwhile, when the hot-pressing upper mold 20 and the hot-pressing lower mold 30 are closed, at least three support legs 44 surrounding equally are generated by the common molding of the groove 35 of the hot-pressing lower mold 30 and the vertical arc block 25 of the hot-pressing upper mold 20, the bottom sheet 42 is generated by the common molding of the arc surface 36 and the arc surface 26, and the circulation space 441 between the support legs 44 is generated by the common molding of the step surface 37 and the chute 24.
According to the above structure, the paper-plastic container 2 is a scald-proof paper-plastic container especially suitable for containing hot soup, and the paper-plastic container 2 is manufactured by the above pulp absorbing mold 10, hot pressing upper mold 20 and hot pressing lower mold 30 according to the paper-plastic product manufacturing technology.
Claims (2)
1. A mould for preventing scald paper-plastic container comprises a pulp sucking mould, a hot-pressing upper mould and a hot-pressing lower mould, which is characterized in that: the pulp suction mould is provided with a base, the central part of the base is provided with a ring of concave forming groove, the inner edge of the forming groove rises upwards to form a pushing and pulling cylinder, the periphery of the top surface of the pushing and pulling cylinder is provided with at least three chutes which are equally surrounded, the chutes are separated into vertical arc blocks, and the middle surrounded by the chutes and the vertical arc blocks is a concave arc surface; the hot-pressing upper die is provided with a base, the central part of the base is provided with an upper half-shaped groove surface which is annularly concave, the inner edge of the upper half-shaped groove surface rises upwards to form a pulling cylinder, the periphery of the top surface of the pulling cylinder is provided with at least three inclined grooves which are equally surrounded, the inclined grooves are separated into arc blocks, the middle part surrounded by the inclined grooves and the arc blocks is provided with a plurality of concave arc surfaces, and the positions, the shapes and the sizes of the inclined grooves, the arc blocks and the arc surfaces of the hot-pressing upper die correspond to those of the inclined grooves, the arc blocks and the arc surfaces of the slurry suction die in a one-to-one correspondence manner; the hot-pressing lower die is provided with a base, one side of the base is a raised high platform, the central part of the high platform is provided with a downwards deep pushing and pulling circular groove, the top edge of the pushing and pulling circular groove is provided with a lower semi-arc surface, the inner wall of the pushing and pulling circular groove is symmetrically provided with a plurality of concave edge strips in two areas, the concave edge strips are vertically arranged, the bottom surface of the pushing and pulling circular groove is downwards pushed out and provided with at least three grooves which are uniformly and circularly arranged, the inner edges of the grooves are communicated, the center of the grooves is connected with an upper concave arc surface, and the parts among the at least three grooves which are uniformly and circularly arranged are step surfaces; the position, shape and size of the lower half-shaped cambered surface of the hot-pressing lower die correspond to the upper half-shaped groove surface of the hot-pressing upper die, and the position, shape and size of the step surface, the groove and the cambered surface of the hot-pressing lower die correspond to the chute, the vertical arc block and the cambered surface of the hot-pressing upper die in a one-to-one mode.
2. The mold for scald-proof paper-plastic container as claimed in claim 1, wherein: the inner volume of the push-pull circular groove of the hot-pressing lower die is larger than that of the push-pull cylinder of the hot-pressing upper die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095060.9A CN111501418A (en) | 2019-01-31 | 2019-01-31 | Mold for scald-proof paper-plastic container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910095060.9A CN111501418A (en) | 2019-01-31 | 2019-01-31 | Mold for scald-proof paper-plastic container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111501418A true CN111501418A (en) | 2020-08-07 |
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ID=71865122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910095060.9A Pending CN111501418A (en) | 2019-01-31 | 2019-01-31 | Mold for scald-proof paper-plastic container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111501418A (en) |
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2019
- 2019-01-31 CN CN201910095060.9A patent/CN111501418A/en active Pending
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