CN108482791B - Paper-plastic handle and manufacturing method thereof - Google Patents
Paper-plastic handle and manufacturing method thereof Download PDFInfo
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- CN108482791B CN108482791B CN201810470786.1A CN201810470786A CN108482791B CN 108482791 B CN108482791 B CN 108482791B CN 201810470786 A CN201810470786 A CN 201810470786A CN 108482791 B CN108482791 B CN 108482791B
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- plate
- paper
- strip
- shaped plate
- plastic handle
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- 239000004033 plastic Substances 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 238000009966 trimming Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims abstract 2
- 238000007906 compression Methods 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 12
- 238000004049 embossing Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims 3
- 238000003825 pressing Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 238000007731 hot pressing Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
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- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
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- 239000005022 packaging material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/44—Integral, inserted or attached portions forming internal or external fittings
- B65D5/46—Handles
- B65D5/46008—Handles formed separately from the container body
- B65D5/46032—Handles with anchoring elements, e.g. formed by folding a blank
- B65D5/4604—Handles with anchoring elements, e.g. formed by folding a blank not formed by folding a blank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
- B31D1/06—Multiple-step processes for making flat articles ; Making flat articles the articles being handles
Abstract
The invention relates to the technical field of paper-plastic product manufacturing, in particular to a paper-plastic carrying handle which comprises a strip-shaped plate, wherein both ends of the strip-shaped plate are provided with a fixing part connected with a packing box, the two fixing parts are symmetrically arranged, and a plurality of embossed ribs are formed on the strip-shaped plate. The paper-plastic handle is made up through cutting pulp board into one or more blanks according to preset size, coating solution containing additive on the surface of blank, hot pressing, forming by hot pressing, forming recess for allowing fibre to enter compression, deforming paper-plastic handle, pressing fibre, forming relief ribs, trimming and cutting. Has the advantages of light weight, recoverability, natural degradation, good structural strength and strong bearing capacity.
Description
Technical Field
The invention relates to the technical field of paper-plastic product manufacturing, in particular to a paper-plastic carrying handle and a manufacturing method thereof.
Background
Under the circumstance of high environmental awareness, paper-plastic products (namely paper-plastic products) are gradually developed, and the paper-plastic products are easy to recycle and meet the trend of environmental protection and recycling, energy conservation and carbon reduction, so that the paper-plastic products are rapidly accepted and enjoyed to be used by the industry and the masses. Common paper-plastic products include dinner plates, tableware, cup covers and the like of foods, packaging materials, shock absorbing materials, cushion materials and the like of electronic products, various packages, packaging materials and the like of living goods and cosmetics.
The package is typically provided with handles for easy handling by the user. Early handle bar products were either metal-built or wood-engraved, and later produced plastic handle bar products that were injection molded from a resin material through a mold. The plastic handle is produced by using plastic materials, and the plastic materials have the problems of easy release of toxins to pollute the environment, difficult treatment for environmental recovery and decomposition, huge recovery treatment cost and the like, so that serious injury to global environmental protection has been caused for many years.
Disclosure of Invention
The invention aims to solve the technical problem of providing the paper-plastic handle with good structural strength and environmental protection so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a paper-plastic handle comprises a strip-shaped plate, wherein both ends of the strip-shaped plate are respectively provided with a fixing part connected with a packing box, the two fixing parts are symmetrically arranged, and a plurality of embossed ribs are formed on the strip-shaped plate.
Preferably, a central groove is formed in the center of the strip, and all the embossed ribs are uniformly distributed on both sides of the central groove in the length direction of the strip.
Preferably, the direction of the concavity and convexity of the intermediate groove relative to the strip is opposite to the direction of the concavity and convexity of the relief rib relative to the strip.
Preferably, the fixing portion comprises a horizontal plate horizontally extending from the end of the strip-shaped plate along the length direction of the strip-shaped plate, a folding plate which can be folded is arranged at one end of the horizontal plate away from the strip-shaped plate in a extending manner in a direction away from the strip-shaped plate, a notch is formed in the horizontal plate, a folding buckle is arranged on the folding plate, after the folding plate is folded upwards, the folding plate is parallel to the horizontal plate, and the buckle is folded downwards and is inserted into the notch.
Preferably, the notch penetrates through the horizontal plate, and the buckle penetrates through the notch and protrudes out of the lower surface of the horizontal plate after being turned down.
Preferably, a pre-bending curved plate is arranged between the horizontal plate and the folding plate.
Preferably, the end of the folding plate far away from the horizontal plate is provided with an open groove, and the buckle is positioned at the bottom of the open groove.
Preferably, one end of the folding plate far away from the horizontal plate extends towards the direction far away from the horizontal plate and is provided with a folding part which can be folded, when the folding plate is folded upwards and is parallel to the horizontal plate, the folding plate covers the horizontal plate, and the folding part is folded downwards and protrudes out of the lower surface of the horizontal plate.
Preferably, the strip-shaped plate is arc-shaped or flat plate-shaped.
The invention also provides a manufacturing method of the paper-plastic handle, which comprises the following steps: s1, cutting a pulp board into one or more blank boards according to preset sizes; s2, coating the solution containing the additive on the surface of the blank plate; s3, feeding the coated blank plate into a hot press for hot press forming, wherein a groove allowing fibers to enter into pressure is formed in a position corresponding to the expected relief ribs when the hot press die of the hot press is formed, and when the blank plate is subjected to hot press forming, the fibers enter into the groove for forming after being pressed except the expected paper-plastic handles are deformed, so that the relief ribs are generated; s4, feeding the formed blank plate into a trimming machine, and cutting off the edge.
Compared with the prior art, the invention has obvious progress:
the paper plastic handle made of the environment-friendly material has the characteristics of light weight, recoverability and natural degradation, meets the environment-friendly requirement, and can realize recycling economy. In the hot press molding process, the fibers at the positions of the embossed ribs are spatially dredged and do not need to be subjected to overlapping and strong pressure, so that wrinkles and black marks do not appear on the surface of the paper-plastic handle after hot press molding, and the quality of products is ensured. And the structural strength of the paper-plastic handle can be enhanced by the embossed ribs, so that the bearing capacity of the product is greatly improved, the friction force of a person holding the paper-plastic handle can be increased by the embossed ribs, and the sliding condition is reduced.
Drawings
Fig. 1 is a schematic perspective view of a paper-plastic handle according to an embodiment of the present invention.
Fig. 2 is a schematic flat view of a paper-plastic handle according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a paper-plastic handle according to an embodiment of the present invention.
Fig. 4 is a schematic partial cross-sectional view of the portion a in fig. 3.
FIG. 5 is a schematic view of an embodiment of the invention with embossed ribs down and intermediate channels up on a strip of paper and plastic handles.
In the figure:
1. strip-shaped plate 2, fixing part
3. Relief ribs 4, intermediate grooves
5. Horizontal plate 6, folding plate
7. Notch 8, buckle
9. Pre-bent curved plate 10 and horizontal slat
11. Bending part 12, open slot
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 to 5, one embodiment of the paper-plastic carrying handle of the present invention. The paper-plastic handle of the embodiment is used for being matched with a packing box, in particular a carton. The paper-plastic handle of the embodiment is made of one or more of recycled paper pulp, sugarcane pulp, bamboo pulp, wood pulp, reed pulp, rice or wheat straw pulp and other environment-friendly materials, has the characteristics of light weight, recoverability and natural degradation, meets the environment-friendly requirement, and can realize recycling economy.
Referring to fig. 1, the paper-plastic handle of the present embodiment includes a strip-shaped plate 1, both ends of the strip-shaped plate 1 are provided with a fixing portion 2, the fixing portion 2 is used for being connected with a packaging box, the assembly of the paper-plastic handle and the packaging box is realized, and the strip-shaped plate 1 is provided for a user to hold. The two fixing parts 2 are symmetrically arranged at two ends of the strip-shaped plate 1 respectively, and a plurality of embossed ribs 3 are formed on the strip-shaped plate 1. In this embodiment, the embossed ribs 3 are formed by forming grooves allowing the fibers to enter the grooves at positions corresponding to the positions where the embossed ribs 3 are expected to be formed when the hot press mold is opened, and when the dry molded product is hot press molded, the fibers are pressed into the grooves to form the embossed ribs 3, except for the paper-plastic handles expected to be formed. In the hot press molding process, the fibers at the positions of the embossed ribs 3 are spatially dredged and do not need to be subjected to overlapping strong pressure, so that wrinkles and black marks do not appear on the surface of the paper-plastic handle after hot press molding, and the quality of products is ensured. In addition, the embossed ribs 3 can strengthen the structural strength of the paper-plastic handle, so that the bearing capacity of a product is greatly improved, the friction force of a person holding the paper-plastic handle can be increased by the embossed ribs 3, and the slipping condition is reduced.
Further, in the present embodiment, a middle groove 4 is formed in the center of the strip plate 1, and preferably, the middle groove 4 is a groove with a gradually deeper shape. All relief ribs 3 are evenly distributed on both sides of the intermediate channel 4 along the length of the strip 1. The intermediate groove 4 can be used for branding. In this embodiment, the middle groove 4 is also formed by forming a groove allowing the fiber to enter into the pressing position corresponding to the expected middle groove 4 when the hot press mold is formed, and when the dry molded product is hot press molded, the fiber enters into the groove to be molded after being pressed except for deforming the expected paper plastic handle, thereby forming the middle groove 4. In the hot press forming process, the fibers at the position of the middle groove 4 are spatially dredged and do not need to be subjected to overlapping strong pressure, so that wrinkles and black marks do not appear on the surface of the paper-plastic handle after hot press forming, and the quality of products is ensured.
In this embodiment, a space is provided between the middle groove 4 and the embossed ribs 3 and between each adjacent embossed rib 3, so that the overall structure of the paper-plastic handle is reasonable. The number of embossed ribs 3 is not limited and may be designed according to the actual size of the paper-plastic handle, the length of the strip 1 and the length of the intermediate slot 4. Preferably, the embossed ribs 3 on both sides of the intermediate groove 4 are symmetrically arranged to increase the aesthetic appearance of the paper-plastic handle.
In this embodiment, the concave-convex direction of the middle groove 4 relative to the strip-shaped plate 1 may be upward or downward, that is, the middle groove 4 may protrude upward relative to the upper surface of the strip-shaped plate 1, and the middle groove 4 may protrude downward relative to the lower surface of the strip-shaped plate 1. The embossing rib 3 may be upwardly or downwardly with respect to the concave-convex direction of the strip-shaped plate 1, i.e., the embossing rib 3 may be upwardly protruded with respect to the upper surface of the strip-shaped plate 1, and the embossing rib 3 may be downwardly protruded with respect to the lower surface of the strip-shaped plate 1. All of the embossed ribs 3 may have the same direction of concavity and convexity with respect to the strip 1, or there may be a part of the embossed ribs 3 protruding upward with respect to the upper surface of the strip 1 and another part of the embossed ribs 3 protruding downward with respect to the lower surface of the strip 1. Preferably, the direction of the concavity and convexity of the intermediate groove 4 with respect to the strip 1 is opposite to the direction of the concavity and convexity of the embossed rib 3 with respect to the strip 1. For example, referring to fig. 4, the intermediate groove 4 protrudes downward with respect to the lower surface of the strip plate 1, and the embossed rib 3 protrudes upward with respect to the upper surface of the strip plate 1. As another example, referring to fig. 5, the intermediate groove 4 protrudes upward with respect to the upper surface of the strip plate 1, and the embossed rib 3 protrudes downward with respect to the lower surface of the strip plate 1. The extending directions of the intermediate grooves 4 and the embossed ribs 3 are not limited, and preferably, in the present embodiment, the intermediate grooves 4 extend along the length direction of the strip-shaped plate 1, and the extending direction of the embossed ribs 3 is perpendicular to the extending direction of the intermediate grooves 4.
Referring to fig. 1, 2 and 3, preferably, the fixing portion 2 in this embodiment includes a horizontal plate 5 horizontally extending from an end of the strip plate 1 along a length direction of the strip plate 1, a foldable folding plate 6 extending from an end of the horizontal plate 5 away from the strip plate 1 to a direction away from the strip plate 1, a notch 7 is formed on the horizontal plate 5, a foldable buckle 8 is formed on the folding plate 6, when the folding plate 6 is folded upwards, the folding plate 6 is parallel to the horizontal plate 5, the folding plate 6 is located above the horizontal plate 5, and the buckle 8 is folded downwards and is inserted into the notch 7. Therefore, the part of the packing box matched with the paper-plastic handle of the embodiment can be clamped between the folding plate 6 and the horizontal plate 5, so that the fixing part 2 is connected with the packing box. When the strip-shaped plate 1 of the paper-plastic handle is lifted upwards, the horizontal plate 5 positioned below rises along with the strip-shaped plate, so that the plug-in fit between the buckle 8 and the notch 7 can be enhanced, and the fixed part 2 is firmly connected with the packaging box in the use process. Further, in this embodiment, the notch 7 penetrates the horizontal plate 5, and when assembled, the buckle 8 is turned down, then penetrates the notch 7 and protrudes out of the lower surface of the horizontal plate 5, so that the reliability and stability of the plug-in fit between the buckle 8 and the notch 7 can be further increased.
Preferably, in this embodiment, a pre-bending curved plate 9 is disposed between the horizontal plate 5 and the folding plate 6, that is, one end of the horizontal plate 5 away from the strip-shaped plate 1 is connected with one end of the folding plate 6 close to the horizontal plate 5 through the pre-bending curved plate 9, and the pre-bending curved plate 9 has a concave-convex pre-bending curved surface, which is helpful for realizing that the folding plate 6 is folded upwards by 180 ° and parallel to the horizontal plate 5, so as to avoid damage to the folding plate 6 during the folding process.
Preferably, in this embodiment, the end of the folding plate 6 away from the horizontal plate 5 has an open slot 12, and the buckle 8 is located at the bottom of the open slot 12. In this embodiment, the notch 7 is disposed at the center of the horizontal plate 5, the buckle 8 is disposed at a position of the folding plate 6 away from the end of the horizontal plate 5 corresponding to the notch 7, so that after the folding plate 6 is turned up by 180 ° and parallel to the horizontal plate 5, the buckle 8 is turned down to be inserted into the notch 7, and one end of the folding plate 6 away from the horizontal plate 5 extends out of a horizontal slat 10 from two sides of the buckle 8 along a direction away from the horizontal plate 5, and the open slot 12 is formed between the two horizontal slats 10 and the buckle 8.
Further, in this embodiment, the end of the folding plate 6 away from the horizontal plate 5 extends in a direction away from the horizontal plate 5 and has a foldable bending portion 11, when the folding plate 6 is folded upwards and parallel to the horizontal plate 5, the folding plate 6 covers the horizontal plate 5, and the bending portion 11 is folded downwards and protrudes from the lower surface of the horizontal plate 5. Preferably, in this embodiment, one of the bending portions 11 extends from each end of the two horizontal slats 10 away from the horizontal plate 5, and when the folding plate 6 is folded upwards and parallel to the horizontal plate 5, the bending portion 11 on the horizontal slat 10 exceeds one end of the horizontal plate 5 near the strip-shaped plate 1 and bends downwards to protrude from the lower surface of the horizontal plate 5. Thereby further increasing the robustness of the assembly.
In this embodiment, the strip-shaped plate 1 may be arc-shaped, and the strip-shaped plate 1 may also be flat-shaped. When the strip plate 1 is arc-shaped, the strip plate 1 is preferably in a gradual arc shape.
Preferably, in this embodiment, the strip-shaped plate 1 and the fixing portion 2 are integrally formed as a single piece, which has the advantages of convenient processing and material saving.
More preferably, the paper-plastic handle of the embodiment is in an axisymmetric structure with the horizontal center line of the strip-shaped plate 1 as the center, and has integral aesthetic property.
The embodiment of the invention also provides a manufacturing method of the paper-plastic handle, which comprises the following steps:
s1, cutting the pulp board into one or more blank boards according to preset sizes. The pulp board is made of one or more of recycled pulp, sugarcane pulp, bamboo pulp, wood pulp, reed pulp, rice or wheat straw pulp and other environment-friendly materials. The pulp board can be fed into a cutter for cutting, one or more blank boards are obtained, the size of the blank boards is slightly larger than the standard product size of the paper-plastic handle to be finally obtained, and the blank boards can be disconnected or connected.
S2, coating the solution containing the additive on the surface of the blank plate, wherein the step can be completed through a coater. The additive can be a waterproof agent, so that the finally obtained paper-plastic handle product has a waterproof function.
S3, feeding the coated blank plate into a hot press for hot press forming, wherein a groove allowing fibers to enter into the pressed is formed in the position, corresponding to the position expected to generate the embossed ribs 3, of the hot press die of the hot press, and when the blank plate is subjected to hot press forming, the fibers enter into the groove for forming after being pressed except the paper-plastic handles expected to generate the embossed ribs 3. In addition, the hot press mold of the hot press is provided with grooves allowing the fibers to enter the pressing at the positions corresponding to the expected generation of the middle grooves 4 when the hot press mold is provided, and when the dry molded product is hot press molded, the fibers enter the grooves for molding after being pressed except the paper plastic handles expected to be generated are deformed, so that the middle grooves 4 are generated. In the hot press forming process, the fibers at the positions of the embossed ribs 3 and the middle grooves 4 are spatially dredged and do not need to be subjected to overlapping strong pressure, so that wrinkles and black marks do not appear on the surface of the paper-plastic handle after hot press forming, and the quality of products can be ensured.
S4, feeding the formed blank plate into a trimming machine, and cutting off the edge material, wherein the step can be completed through the trimming machine.
Thus, the finished product of the paper-plastic handle can be obtained. When the strip-shaped plate 1 of the paper-plastic handle is arc-shaped, one or more shaping procedures are needed to finish the appearance modeling and the size requirement of the paper-plastic handle.
The paper-plastic handle of the present invention may be manufactured by a wet pressing method (slurry suction manufacturing method) or a dry pressing method, for example, in addition to the direct hot press molding method.
In summary, the paper plastic handle and the manufacturing method of the paper plastic handle in the embodiment adopt the environment-friendly material to manufacture the paper plastic handle, have the characteristics of light weight, recoverability and natural degradation, meet the environment-friendly requirement, and can realize recycling economy. In the hot press forming process, the fibers at the positions of the embossed ribs 3 and the middle grooves 4 are spatially dredged and do not need to be subjected to overlapping strong pressure, so that wrinkles and black marks do not appear on the surface of the paper-plastic handle after hot press forming, and the quality of products can be ensured. In addition, the embossed ribs 3 can strengthen the structural strength of the paper-plastic handle, so that the bearing capacity of a product is greatly improved, the friction force of a person holding the paper-plastic handle can be increased by the embossed ribs 3, and the slipping condition is reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (6)
1. The utility model provides a paper-plastic handle, its characterized in that includes a strip shaped plate (1), the both ends of strip shaped plate (1) all have a fixed part (2) that are connected with the packing box, and two fixed part (2) symmetry sets up strip shaped plate (1) is last to be formed with many embossing ribs (3), fixed part (2) include follow the tip of strip shaped plate (1) follow strip shaped plate (1) length direction horizontal extension's horizontal plate (5), the one end that strip shaped plate (1) was kept away from is kept away from strip shaped plate (1) extends to the direction of keeping away from strip shaped plate (1) has folding board (6) that can turn over, be equipped with incision (7) on horizontal plate (5), folding board (6) are last to be equipped with but turn over buckle (8), after folding board (6) upwards turn over a book, folding board (6) with horizontal plate (5) looks parallel, embossing buckle (8) are turned down and peg graft in cut (7), in strip shaped plate (1) center (4) have a middle groove (4) evenly distributed in the direction of length (4) in the centre of strip shaped plate (1), the middle groove (4) is opposite to the concave-convex direction of the strip-shaped plate (1) and the concave-convex direction of the embossing rib (3) is opposite to the concave-convex direction of the strip-shaped plate (1), one end, far away from the horizontal plate (5), of the folding plate (6) extends to the direction far away from the horizontal plate (5) and is provided with a folding bending part (11) which can be folded, and after the folding plate (6) is folded upwards and is parallel to the horizontal plate (5), the folding plate (6) covers the horizontal plate (5), and the bending part (11) is folded downwards and protrudes out of the lower surface of the horizontal plate (5).
2. Paper-plastic handle according to claim 1, characterized in that the cut-out (7) extends through the horizontal plate (5), and the clasp (8) after being folded down extends through the cut-out (7) and protrudes from the lower surface of the horizontal plate (5).
3. Paper-plastic handle according to claim 1, characterized in that a pre-bent curved plate (9) is arranged between the horizontal plate (5) and the folding plate (6).
4. Paper-plastic handle according to claim 1, characterized in that the end of the folding plate (6) remote from the horizontal plate (5) is provided with an open slot (12), the catch (8) being located at the bottom of the open slot (12).
5. Paper-plastic handle according to claim 1, characterized in that the strip-shaped plate (1) is arc-shaped or flat-plate-shaped.
6. A method of manufacturing a paper-plastic handle according to any one of claims 1 to 5, comprising the steps of:
s1, cutting a pulp board into one or more blank boards according to preset sizes;
s2, coating the solution containing the additive on the surface of the blank plate;
s3, feeding the coated blank plate into a hot press for hot press forming, wherein a groove allowing fibers to enter into compression is formed in a position corresponding to an expected relief rib (3) when the hot press die of the hot press is formed, and when the blank plate is subjected to hot press forming, the fibers enter into the groove for forming after being compressed except a paper plastic handle expected to be generated when the blank plate is deformed, so that the relief rib (3) is generated;
s4, feeding the formed blank plate into a trimming machine, and cutting off the edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470786.1A CN108482791B (en) | 2018-05-17 | 2018-05-17 | Paper-plastic handle and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470786.1A CN108482791B (en) | 2018-05-17 | 2018-05-17 | Paper-plastic handle and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108482791A CN108482791A (en) | 2018-09-04 |
| CN108482791B true CN108482791B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470786.1A Active CN108482791B (en) | 2018-05-17 | 2018-05-17 | Paper-plastic handle and manufacturing method thereof |
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| CN (1) | CN108482791B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112477293B (en) * | 2020-11-13 | 2022-07-15 | 上阳(重庆)包装制品有限公司 | Handle forming method |
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| CN108482791A (en) | 2018-09-04 |
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