CN109677013B - Paper cover forming machine, paper cover forming method and paper cover - Google Patents
Paper cover forming machine, paper cover forming method and paper cover Download PDFInfo
- Publication number
- CN109677013B CN109677013B CN201811502176.1A CN201811502176A CN109677013B CN 109677013 B CN109677013 B CN 109677013B CN 201811502176 A CN201811502176 A CN 201811502176A CN 109677013 B CN109677013 B CN 109677013B
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- die
- paper cover
- forming
- cover
- paper
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000123 paper Substances 0.000 abstract description 103
- 239000011087 paperboard Substances 0.000 abstract description 35
- 239000000463 material Substances 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000007306 turnover Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 235000013410 fast food Nutrition 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000021539 instant coffee Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B31D1/0043—Multiple-step processes for making flat articles ; Making flat articles the articles being box parts not otherwise provided for
- B31D1/005—Multiple-step processes for making flat articles ; Making flat articles the articles being box parts not otherwise provided for making bottoms or caps
-
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention discloses a paper cover forming machine, a paper cover forming method and a paper cover, which mainly solve the problems of high consumable material yield, low production capacity and the like during paper cover manufacturing and comprise a round paper cover forming structure and a round paper cover manufacturing structure. And processing the round paperboard to manufacture a round paper cover. The paperboard is placed on a forming supporting die, a round paper cover is pushed to pass through a forming die to be positioned on a passive die through the rising motion of a top die, the nest bottom die rises to contact with the passive die to fold the paperboard, and the paperboard is shaped into a required round paper cover through the extrusion force of a roller after being heated. The whole set of processing equipment can simultaneously manufacture and process the paperboards and mold the paperboards, so that the material consumption is reduced while the productivity is improved, the cost is saved, and the customization mode can be realized.
Description
Technical Field
The invention relates to the field of paper covers, in particular to a paper cover forming machine, a paper cover forming method and a paper cover.
Background
With the rapid development of economy, the life quality of people is continuously improved, and a large number of fast food products are promoted by multi-element culture, and the fast food products need disposable containers for holding and selling. Such disposable containers are widely used for cups, instant coffee, milky tea, etc., and are generally capped with a cap so as not to expose the liquid or the contents therein. The common cover is made of plastic, the manufacturing process is simple, the shape can be kept for a long time, but the plastic product and the plastic product are not easy to decompose, the recycling treatment is difficult, and the environment is greatly influenced.
In order to solve the environmental problems, in recent years, the cover made of cardboard instead of plastic has been developed, and such a paper cover generally does not have good sealing property and cannot maintain the shape for a long time. The traditional paper cover machine needs a large amount of purchased paperboard materials, three paperboards are required to be processed by three equipment in the manufacturing process and then are formed by a forming machine, the manufacturing cost is high, the material consumption is large, and the manufacturing efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides a paper cover forming machine, a paper cover forming method and a paper cover, wherein paper boards are processed into round paper covers through paper cover forming and paper cover manufacturing procedures, so that consumable materials are reduced, and cost is lowered. And each action can be completed by only one device, so that the productivity is greatly improved.
The technical scheme adopted for solving the technical problems is as follows: the high-productivity paper cover forming machine comprises a paper cover forming structure and a paper cover manufacturing structure, and is characterized in that the paper cover forming structure comprises a forming supporting die, a forming die, a top die and a passive die, and the paper cover manufacturing structure comprises a nest bottom die main part; the lower end of the forming die is connected with the forming supporting die, and the upper end of the forming die is connected with the passive die; the top die is arranged in the forming supporting die, pushes the round paper cover to ascend through the forming die along the axial direction and is positioned on the driven die; and a nest bottom die main part is arranged below the passive die, and is lifted along the axial direction to contact with the passive die, and the round paper cover is shaped through extrusion force.
The paper cover forming die cavity is arranged in the forming die, and the depth of the paper cover forming die cavity is larger than the height of the flanging of the paper cover.
The upper part of the cavity wall of the paper cover forming die is vertical, the lower part of the cavity wall is provided with an arc with an eight-shaped cross section, and the arc is matched with the top die to bend the round paper cover to form a cover edge.
And a paper cover top plate is arranged above the passive mould and used for limiting the lifting movement of the top mould and fixing the round paper cover in a forming way.
And a heating system is arranged at the periphery of the passive mould.
The nest die block main part include first nest die block and second nest die block, first nest die block upper end is equipped with the recess, and the cross section of recess perisporium is the arc, turns over the paper lid for the first time.
The upper end of the second nest bottom die is provided with an annular notch with a semicircular cross section, the inner wall of the annular notch is connected with a lug for guiding and bending the edges of the paperboard cover, and the second nest bottom die turns over the paperboard cover for the second time through the notch.
The paper cover pressing and shaping device further comprises a roller main part, wherein the roller main part is arranged at the lower end of the passive mould, and the roller main part ascends and the eccentric side surface contacts the passive mould to press and shape the paper cover.
The paper cover forming method comprises the steps of forming a supporting mold, a forming mold, a top mold, a passive mold, a first nest bottom mold, a second nest bottom mold and a roller main part, wherein the processing steps comprise that the paper cover is arranged on the forming supporting mold; the top die pushes the paper cover upwards along the axial direction to enter the forming die, and bends the paper cover to form a cover edge; the top die continues to push the paper cover upwards along the axial direction to pass through the forming die and is positioned on the passive die; the first nest bottom die is lifted to contact the passive die, so that the passive die is lifted passively to fold the paper cover; the second nest bottom die is lifted to contact the passive die, so that the passive die is lifted passively to fold the paper cover; the paper cover is heated by the two heating procedures, and the eccentric side surface of the roller workpiece pushes the paper cover to contact the passive die, so that the paper cover is pressed and shaped.
The paper cover comprises a cover body, wherein the outer edge of the cover body is downwards turned by 90 degrees to form a cover edge, the edge of the cover edge is inwards turned by 180 degrees to form a sealing cover ring, and the sealing cover ring is attached to the cover edge.
The invention has the beneficial effects that the paper cover can be manufactured by only one piece of equipment, and the operation is convenient and simple. The traditional paper cover forming principle needs to process three paperboards through three devices and then form the paperboards by a forming machine, but the invention only needs to place one paperboard in one device for processing, thereby improving the productivity and reducing the material consumption at the same time, saving the cost and realizing a customized mode.
Drawings
Fig. 1 is a schematic view of a circular paper cover forming structure.
Fig. 2 is a schematic view of the nest bottom die 5 for the first folding of the paper cover.
Fig. 3 is a schematic view of the nest bottom die 6 for the second folding of the paper cover.
Fig. 4 is a schematic view of the roller workpiece being fixedly formed on the paper cover.
Fig. 5 is a schematic structural view of the base paper cover.
Fig. 6 is a schematic structural view of the paper cover of the present product.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, in fig. 1, a forming die 3 is connected to a forming support die 1 at a lower end and a passive die 4 at an upper end. The forming support die 1 is of a circular cylinder structure, and the top die 2 is of a circular cylinder structure and is arranged in the forming support die 1. The inside of the forming die 3 is provided with a paper cover forming die cavity 8, the depth of the paper cover forming die cavity 8 is larger than the height of the flanging of the paper cover, the upper part of the cavity wall of the forming die cavity 8 is vertical, and the lower part is provided with an arc with an eight-shaped cross section. The top mould 2 pushes the round paperboard upwards along the axial direction to enter the paper cover forming mould cavity 8, and the round paperboard is gradually bent downwards along the outer edge to form a cover edge 14 under the upward pushing force of the top mould 2 and the extrusion force of the cavity wall of the paper cover forming mould cavity 8. The passive mould 4 is in a circular cylinder structure, and a paper cover top plate 9 is arranged above the passive mould and used for limiting the lifting movement of the top mould 2 and fixing the circular paper cover in a forming mode. And a heating system is arranged at the periphery of the passive mould 4 to heat and shape the paperboard. The top die 2 continues to push the circular paperboard upward and is positioned in the passive die 4, and the circular paperboard cover rim 14 is folded downward by 90 degrees and thermoformed.
In fig. 2, a paper cover top plate 9 is provided above the passive mold 4, and a first nest bottom mold 5 is provided below the passive mold. The upper end of the first nest bottom die 5 is provided with a groove 12, and the cross section of the peripheral wall of the groove 12 is arc-shaped. The first nest bottom die 5 is lifted up along the axial direction to contact the passive die 4, so that the passive die 4 is lifted up passively, and the cover edge 14 of the round paperboard is turned inwards by 90 degrees along the arc-shaped groove wall of the groove 12.
In the structure, when the first nest bottom die 5 ascends to contact the passive die 4, the cover edge 14 of the paper cover is turned inwards by 90 degrees along the arc-shaped groove wall of the groove 12, the turned edge is ensured to be turned into a preset shape and angle, and the defects of burrs, curled edges and the like of the cover edge 14 are avoided.
In fig. 3, a paper cover top plate 9 is provided above the passive mold 4, and a second nest bottom mold 6 is provided below the passive mold. The upper end of the second nest bottom die 6 is provided with an annular notch 13 with a semicircular cross section, and the inner wall of the annular notch 13 is connected with a lug 15 for guiding and bending the paperboard cover edge. The second nest bottom die 6 is lifted up along the axial direction to contact the passive die 4, so that the passive die 4 is lifted up passively, the cover edge 14 of the round paperboard is bent upwards through the thrust of the protruding block 15, and then the cover edge 14 of the round paperboard is turned over by 180 degrees through the acting force of the annular notch 13.
In the structure, the convex blocks 15 firstly upwards turn over the guide property of the cover edge 14 of the round paper cover when the round paper cover is processed through the die, so that the phenomena of overlapping, extrusion and the like when the paper cover is turned over are avoided, the paper cover is not attractive and smooth, and the product quality when the paper cover is processed is ensured.
In fig. 4, a paper cover top plate 9 is provided above the passive mold 4, and a roller 7 is provided below the passive mold. The roller 7 rises along the axial direction and the eccentric side surface pushes the paper cover edge 14 to contact the passive die 4, so that the paper cover is extruded and shaped, and the perfect fixing and shaping of the paper cover structure is ensured.
It should be noted that the heating system of the present embodiment may be provided in various manners, for example, the heating system is provided on a cavity wall of the paper cover forming mold cavity 8 or provided on a bottom of the paper cover top plate 9. Preferably, the heating system in this embodiment is arranged at the periphery of the passive mould 4. The circular paper cover is positioned on the passive mould 4 to carry out a first heating process, fully preheats and evaporates water in the paper cover in time, and starts the nest bottom mould 5, the nest bottom mould 6 and the roller 7 to carry out a second heating process when carrying out forming and stamping, heats and keeps dry, improves the hardness of the paper cover, and ensures long-term placement without deformation.
It should be noted that, when the paper lid is flanging, in order to guarantee that the paper lid can fully heat and finalize the design, preferably, this scheme is with the paper lid when positioning on passive mould 4 behind the turn-ups, and the person skilled in the art can adjust dwell time according to operational environment's humidity, temperature etc.. After a period of pressure maintaining, the shape of the paper cover is more fixed, so that the storage time of the paper cover is prolonged.
Preferably, the depth design of this scheme with paper lid shaping die cavity 8 is greater than the height of paper lid turn-ups, and the turn-ups can turn over completely and roll over and embed in the paper lid shaping die cavity 8, guarantees that the turn-ups can once only turn over into preset shape and angle, guarantees that the turn-ups is level and free of defects such as burr and turn-ups.
Preferably, the circular paper cover forming structure and the circular paper cover manufacturing structure are integrated to form the paper cover manufacturing machine capable of completing all actions. The round paperboard is placed in a manufacturing machine, and the round paperboard cover body is directly formed through molding and manufacturing, so that continuous processing of paper cover extraction and replacement equipment in the manufacturing process is not needed, the manufacturing time is saved, and the productivity is improved.
As shown in fig. 6, a paper cover comprises a cover body 16, wherein the outer edge of the cover body 16 is turned down by 90 degrees to form a cover edge 14, the edge of the cover edge 14 is turned up by 180 degrees to form a sealing cover ring 10, and the sealing cover ring 10 is attached to the cover edge 14.
In the structure, the edge of the cover edge 14 is turned inwards by 180 degrees to form the sealing cover ring 10, so that the paper cover structure is more fixed, and the sealing performance of the paper cover is improved.
A paper cover forming method is characterized in that a paper board is placed on a forming supporting die 1, a top die 2 moves upwards along the axial direction to push the paper board into a paper cover forming die cavity 8 of a forming die 3, the paper board is bent downwards by 90 degrees to form a cover edge 14 due to the upward thrust and the extrusion force of the lower cavity wall of the paper cover forming die cavity 8, the top die 2 continues to push the paper board to move upwards into a driven die 4, and the top die 2 contacts a paper cover top plate 9 to stop moving and fix the paper board in the driven die 4. The first nest bottom die 5 is lifted up along the axial direction to contact the passive die 4, so that the passive die 4 is lifted up passively, and the cover edge 14 of the round paperboard is turned inwards by 90 degrees along the arc-shaped groove wall of the groove 12. The second nest bottom die 6 is lifted up along the axial direction to contact the passive die 4, so that the passive die 4 is lifted up passively, the cover edge 14 of the round paperboard is bent upwards through the thrust of the protruding block 15, and then the cover edge 14 of the round paperboard is turned over by 180 degrees through the acting force of the annular notch 13. And a heating system is arranged on the periphery of the passive mould 4 to heat the paper board in two working procedures. The roller 7 rises along the axial direction and the eccentric side surface contacts the passive die 4, and the round paper board is shaped by extrusion force.
Claims (7)
1. The paper cover forming machine comprises a paper cover forming structure and a paper cover manufacturing structure, and is characterized in that the paper cover forming structure comprises a forming supporting die (1), a forming die (3), a top die (2) and a passive die (4), and the paper cover manufacturing structure comprises a nest bottom die main part; the lower end of the forming die (3) is connected with the forming supporting die (1), and the upper end of the forming die is connected with the passive die (4); the top die (2) is arranged in the forming supporting die (1), pushes the round paper cover to ascend through the forming die (3) along the axial direction and is positioned on the passive die (4); a nest bottom die main part is arranged below the passive die (4), the nest bottom die main part is lifted along the axial direction to contact the passive die (4) so as to enable the passive die (4) to be lifted passively, the round paper cover is shaped through extrusion force, the nest bottom die main part comprises a first nest bottom die (5) and a second nest bottom die (6), a groove (12) is arranged at the upper end of the first nest bottom die (5), the cross section of the peripheral wall of the groove (12) is arc-shaped, the paper cover is folded for the first time, the paper cover pressing and shaping device is characterized in that an annular notch (13) with a semicircular cross section is formed in the upper end of the second nest bottom die (6), a lug (15) for guiding and bending the edge of the paper cover is connected to the inner wall of the annular notch, the second nest bottom die (6) is used for folding the paper cover for the second time through the notch (13), the paper cover pressing and shaping device further comprises a roller main part (7), the roller main part (7) is arranged at the lower end of the driven die (4), and the eccentric side surface of the roller main part is in contact with the driven die (4) to press and shape the paper cover.
2. A paper cover forming machine according to claim 1, characterized in that a paper cover forming die cavity (8) is arranged in the forming die (3), and the depth of the paper cover forming die cavity (8) is larger than the height of the paper cover flanging.
3. The paper cover forming machine according to claim 2, wherein the upper part of the cavity wall of the paper cover forming cavity (8) is vertical, the lower part is provided with an arc (11) with a cross section in a shape of an eight, and the circular paper cover is bent by matching with the top die (2) to form a cover edge (14).
4. A machine for forming paper covers according to claim 1, characterized in that a paper cover top plate (9) is arranged above the passive mould (4) for limiting the lifting movement of the top mould (2) and for forming and fixing round paper covers.
5. A machine for forming paper covers according to claim 4, characterized in that the periphery of the passive mould (4) is provided with a heating system.
6. The paper cover forming method is characterized by comprising a forming supporting die (1), a forming die (3), a top die (2), a driven die (4), a first nest bottom die (5), a second nest bottom die (6) and a roller main part (7), wherein the processing steps comprise that a paper cover is arranged on the forming supporting die (1); the top die (2) pushes the paper cover upwards along the axial direction to enter the forming die (3), and bends the paper cover to form a cover edge; the top die (2) continues to push the paper cover upwards in the axial direction to pass through the forming die (3) and is positioned on the passive die (4); the first nest bottom die (5) is lifted to contact the passive die (4), so that the passive die (4) is lifted passively to fold the paper cover for the first time; the second nest bottom die (6) is lifted to contact the passive die (4), so that the passive die (4) is lifted passively to fold the paper cover for the second time; the paper cover is heated by the two heating procedures, and the eccentric side surface of the roller main part (7) pushes the paper cover to contact the passive mould (4) to press and shape the paper cover.
7. A paper cover formed by adopting the paper cover forming machine according to any one of claims 1-5, which is characterized by comprising a cover body (16), wherein the outer edge of the cover body is downwards turned by 90 degrees to form a cover edge (14), the edge of the cover edge (14) is inwards turned by 180 degrees to form a sealing cover ring (10), and the sealing cover ring (10) is attached to the cover edge (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502176.1A CN109677013B (en) | 2018-12-10 | 2018-12-10 | Paper cover forming machine, paper cover forming method and paper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502176.1A CN109677013B (en) | 2018-12-10 | 2018-12-10 | Paper cover forming machine, paper cover forming method and paper cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109677013A CN109677013A (en) | 2019-04-26 |
| CN109677013B true CN109677013B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811502176.1A Active CN109677013B (en) | 2018-12-10 | 2018-12-10 | Paper cover forming machine, paper cover forming method and paper cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109677013B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498106A (en) * | 2019-08-30 | 2019-11-26 | 瑞安市明国机械有限公司 | A kind of paper cup covers and manufacture craft |
| CN113619190B (en) * | 2020-05-09 | 2023-04-04 | 刘文钦 | Strong shaping process for disposable paper container |
| CN112549659B (en) * | 2020-11-30 | 2022-11-01 | 浙江新德宝机械有限公司 | Double-layer paper cover forming process |
| CN112497848B (en) * | 2020-11-30 | 2022-12-27 | 浙江新德宝机械有限公司 | Double-layer paper cover forming machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109677013A (en) | 2019-04-26 |
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