CN116691068A - Shaping die for top and bottom covers - Google Patents
Shaping die for top and bottom covers Download PDFInfo
- Publication number
- CN116691068A CN116691068A CN202310759453.1A CN202310759453A CN116691068A CN 116691068 A CN116691068 A CN 116691068A CN 202310759453 A CN202310759453 A CN 202310759453A CN 116691068 A CN116691068 A CN 116691068A
- Authority
- CN
- China
- Prior art keywords
- bottom cover
- die
- pressing plate
- mould
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007493 shaping process Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 51
- 239000006260 foam Substances 0.000 claims abstract description 19
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 8
- 238000012856 packing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 206010003591 Ataxia Diseases 0.000 description 1
- 206010010947 Coordination abnormal Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000016290 incoordination Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
-
- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/10—Construction of rigid or semi-rigid containers provided with covers, e.g. lids
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses a shaping die for a top-bottom cover, which comprises an inner die and a foam pressing plate, wherein at least one side of the inner die is provided with a concave part, and one side of the foam pressing plate opposite to the inner die is provided with a convex part with the size matched with that of the concave part. Compared with the prior art, the technical scheme of the application changes the stress position of the top and bottom cover during forming through the convex part and the concave part, so that the side surface of the top and bottom cover is subjected to inward stamping force and formed, namely the formed side surface of the top and bottom cover still keeps the trend of forming towards the inner side of the top and bottom cover, and the problem that the top and bottom cover is not square after forming is effectively solved.
Description
Technical Field
The application relates to the technical field of paper box forming equipment, in particular to a shaping die for a top-bottom cover.
Background
The lid (world lid) of packing carton is generally used for detaining at the box body, forms a complete packing carton, when manufacturing world lid, generally adopts bubble pressing mechanism to carry out stamping forming to it, and prior art application number is CN201921826440.7 discloses a world lid packing carton forming device, adopts to set up two pairs of parallel relative setting brush roller and four bubble pressing plates and can carry out better bubble pressing when bonding decorative layer to world lid packing carton surface.
However, after the flat bubble pressing plate is used for bubble pressing in the prior art, the quality problems of large bellies, incoordination and the like of the pressed top and bottom covers can occur easily, so that the closing stability of the top and bottom covers and the top and bottom boxes is affected, and the aesthetic property is poor.
The prior art is therefore in need of improvement and advancement.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present application aims to provide a shaping mold for a top-bottom cover, which can solve the problem of the uneven top-bottom cover after shaping by using an inner mold and a foam pressing plate of the mold.
In order to achieve the above purpose, the application adopts the following technical scheme:
the utility model provides a world lid plastic mould, includes centre form and bubble pressing plate, at least one side of centre form is provided with the depressed part, bubble pressing plate with the opposite side of centre form be provided with depressed part size looks adaptation's bellying.
Further, the four sides of the inner mold are provided with concave parts, and the bubble pressing plates comprise two short-side bubble pressing plates and two long-side bubble pressing plates, wherein the two short-side bubble pressing plates and the two long-side bubble pressing plates are arranged around the inner mold.
Further, the surface of the protruding part and the recessed part, which is in contact with the top and bottom covers, is arranged in an arc surface.
Further, the cross section of the protruding portion is a right triangle.
Further, rounded corners are arranged between the protruding portions and the bubble pressing plates and between the recessed portions and the inner die.
Further, the side edge of the inner membrane is the same as the side edge of the top and bottom cover buckled on the inner mould.
Further, the length of the concave part is smaller than the length of the side edge of the inner die on the side where the concave part is located.
Further, the height of the concave part is smaller than the height of the side edge of the inner die on one side where the concave part is located.
Further, the thickness of the convex portion is the same as the depth of the concave portion.
Further, a fixing hole is formed in the inner die, and the inner die is connected with the fixing workbench through the fixing hole through bolts.
Compared with the prior art, the shaping die for the top and bottom covers comprises an inner die and a bubble pressing plate, wherein at least one side of the inner die is provided with a concave part, and one side of the bubble pressing plate opposite to the inner die is provided with a convex part with the size matched with that of the concave part. The inner mold and the bubble pressing plate using the mold can solve the problem of uneven cover after molding through extrusion molding between the convex part and the concave part.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a shaping mold for a top-bottom cover provided by the application.
Fig. 2 is a schematic cross-sectional view of a bubble plate according to the present application.
In the figure: the foam molding device comprises an inner mold-1, a foam pressing plate-2, a concave part-3, a convex part-4, a top and bottom cover-5, a short-side foam pressing plate-6, a long-side foam pressing plate-7, a round angle-8 and a fixing hole-9.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present application, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
As shown in fig. 1, the shaping mold for the top and bottom cover 5 provided by the application comprises an inner mold 1 and a bubble pressing plate 2, wherein at least one side of the inner mold 1 is provided with a concave part 3, and one side of the bubble pressing plate 2 opposite to the inner mold 1 is provided with a convex part 4 with the size matched with that of the concave part 3. It can be appreciated that when the top and bottom cover 5 is fastened to the inner mold 1, the bubble pressing plate 2 is used for pressing the side plate of the top and bottom cover 5, and due to the concave portion 3 provided on the inner mold 1, when the bubble pressing plate 2 is used for pressing the inner mold 1, the convex portion 4 and the concave portion 3 are matched in size, that is, the convex portion 4 on the bubble pressing plate 2 can make the side edge of the top and bottom cover 5 fully fit with the concave portion 3, so that the side surface of the top and bottom cover 5 is subjected to extrusion molding from outside to inside, that is, the molded side surface of the top and bottom cover 5 still keeps a trend toward the inner side of the top and bottom cover 5, and the problem that the side surface of the top and bottom cover 5 bulges outwards to form a bulge shape or is not square is prevented.
It should be noted that, in the process of manufacturing the top and bottom cover 5, the inner liner and the cover body are required to be bonded and then the inner liner 1 and the foam pressing plate 2 are used for punching and reinforcing, while the inner liner 1 and the foam pressing plate of the application can be directly used for punching and forming a semi-finished product with the inner liner and the cover body bonded, so as to prevent the problem of bulge or misalignment of the side surface of the top and bottom cover 5, and the inner liner 1 and the foam pressing plate 2 of the application can be used for punching and pressing the finished product but the non-square top and bottom cover 5 again, so as to change the shape of the top and bottom cover 5 again and prevent the problem of misalignment of the top and bottom cover 5.
Compared with the prior art, the technical scheme of the application changes the stress position of the top and bottom cover 5 during forming through the convex part 4 and the concave part 3, so that the side surface of the top and bottom cover 5 is subjected to stamping force biased inwards and formed, namely the side surface of the formed top and bottom cover 5 still keeps the trend of forming towards the inner side of the top and bottom cover 5, and the problem of the uneven top and bottom cover 5 after forming is effectively solved.
In one embodiment, as shown in fig. 1, for some top and bottom covers 5 that need to be punched on four sides, the four sides of the inner mold 1 are provided with concave portions 3, and the foam pressing plate 2 includes two short side foam pressing plates 6 and two long side foam pressing plates 7, and two short side foam pressing plates 6 and two long side foam pressing plates 7 are disposed around the inner mold 1. It will be appreciated that the number of the depressions on the inner mold 1 is consistent with the sum of the number of the protrusions 4 on each of the bubble pressing plates 2, that is, the number of the depressions 3 is equal to the number of the protrusions 4, and the number of the depressions 3 may be determined according to the number of the surfaces to be punched according to actual requirements.
Further, the surface of the protruding part 4 and the recessed part 3, which is in contact with the top and bottom cover 5, is in a cambered surface. When the bubble pressing plate 2 and the inner die 1 are used for punching, the protruding portion 4 is contacted with one side of the top and bottom cover 5, the other side of the top and bottom cover 5 is contacted with the surface of the concave portion 3, the protruding portion 4 and the surface of the concave portion 3, which is contacted with the top and bottom cover 5, are arranged in an arc shape, namely, the arc surface can not damage the surface of the top and bottom cover 5 and can not leave obvious marks when the protruding portion 4 and the concave portion 3 punch the top and bottom cover 5, so that the surface stress of the top and bottom cover 5 is balanced, excessive edges and corners of the protruding portion 4 or the concave portion 3 are prevented, and when the top and bottom cover 5 is extruded, the top and bottom cover 5 is damaged or deeper marks are left on the surface of the top and bottom cover 5, and the attractiveness of the top and bottom cover 5 is affected.
Specifically, as shown in fig. 2, the cross section of the protruding portion 4 is a right triangle. The slope size of the hypotenuse of the right triangle can be set according to the hardness requirement of the material of the top and bottom cover 5, so that a better stamping effect is realized.
Further, rounded corners 8 are provided between the convex portions 4 and the bubble pressing plate 2 and between the concave portions 3 and the inner die 1. The rounded corners 8 enable the surface transition between the protruding portion 4 and the surface of the bubble pressing plate 2 to be smoother, and the surface transition between the recessed portion 3 and the surface of the inner mold 1 to be smoother, namely, when the protruding portion 4 and the recessed portion 3 punch the top and bottom cover 5, the top and bottom cover 5 cannot be damaged, obvious punching marks cannot be left on the top and bottom cover 5, and the attractiveness of the top and bottom cover 5 is guaranteed.
Further, the side edge of the inner film is the same as the side edge of the top and bottom cover 5 buckled on the inner mold 1. Can guarantee world lid 5 can stable lock be in on the centre form 1, prevent when centre form 1 with press bubble board 2 to punch press world lid 5 takes place not hard up, leads to world lid 5 pressfitting's effect is relatively poor.
Specifically, the length of the concave portion 3 is smaller than the length of the side edge of the inner mold 1 on the side where the concave portion 3 is located, and the height of the concave portion 3 is smaller than the height of the side edge of the inner mold 1 on the side where the concave portion 3 is located. That is, when the top and bottom cover 5 is punched, the concave portion 3 is only in contact with a part of the side surface of the top and bottom cover 5, so that the excessive contact between the concave portion 3 and the side surface of the top and bottom cover 5 is prevented from causing a punching transition, and the top and bottom cover 5 is hardly deformed by punching to form a square state.
Specifically, the thickness of the protruding portion 4 is the same as the depth of the recessed portion 3, so that the protruding portion 4 protrudes from the recessed portion 3 to be completely attached, and the effect that the top and bottom cover 5 is formed by punching is better.
It should be noted that, after the top and bottom covers 5 are punched by the protruding portions 4 and the recessed portions 3, a square state can be formed or the side surfaces of the top and bottom covers 5 are slightly inclined inwards towards the inside of the top and bottom covers 5, and when the top and bottom covers 5 are buckled on the top and bottom box, the top and bottom covers 5 can be restored to the square state, so that the beauty of the top and bottom covers is ensured.
Further, a fixing hole 9 is formed in the inner die 1, and the inner die 1 is connected with a fixing workbench through the fixing hole 9 through bolts. It can be appreciated that the fixed workbench can be a workbench surface of the bubble pressing machine, the inner die 1 is detachably connected with the fixed workbench, and the inner die 1 with different parameters can be replaced according to actual requirements, so that the processing of the top-bottom covers 5 with different size types is facilitated.
In summary, according to the shaping mold for the top and bottom cover provided by the application, the stress position of the top and bottom cover during shaping is changed through the protruding part and the recessed part, so that the side surface of the top and bottom cover is subjected to stamping force biased towards the inner part and is shaped, namely, the side surface of the shaped top and bottom cover still keeps a trend of being shaped towards the inner side of the top and bottom cover, the number of the recessed parts can be determined according to the number of the surfaces needing to be stamped according to actual requirements, one surfaces of the protruding part and the recessed part are arranged in an arc surface manner, damage to the top and bottom cover or deeper marks on the top and bottom cover surface are prevented, and a rounding angle is arranged between the protruding part and the bubble pressing plate and between the recessed part and the inner mold, so that the top and bottom cover is not damaged, an obvious stamping mark is not left on the top and bottom cover, and the attractiveness of the top and bottom cover is ensured. Compared with the prior art, the inner mold and the bubble pressing plate of the mold can solve the problem of uneven cover after molding through extrusion molding between the convex part and the concave part.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are all within the scope of the present application.
Claims (10)
1. The utility model provides a world lid plastic mould, includes centre form (1) and presses bubble board (2), its characterized in that, at least one side of centre form (1) is provided with depressed part (3), press bubble board (2) with the opposite side of centre form (1) be provided with protruding portion (4) of depressed part (3) size looks adaptation.
2. The top-bottom cover shaping mould according to claim 1, characterized in that the four sides of the inner mould (1) are provided with recesses (3), and the foam pressing plate (2) comprises two short side foam pressing plates (6) and two long side foam pressing plates (7), two of the short side foam pressing plates and two of the long side foam pressing plates (7) are arranged around the inner mould (1).
3. The heaven and earth cover shaping die according to claim 1, characterized in that the surface of the raised portion (4) and the recessed portion (3) contacting the heaven and earth cover (5) is arranged in a cambered surface.
4. The top-bottom cover shaping mould according to claim 1, characterized in that the cross section of the protruding part (4) is a right triangle.
5. The top-bottom cover shaping mould according to claim 1, characterized in that rounded corners (8) are provided between the bulge (4) and the bubble-pressing plate (2) and between the recess (3) and the inner mould (1).
6. The heaven and earth cover shaping mold according to claim 1, characterized in that the side edge of the inner mold (1) is the same as the side edge of the heaven and earth cover (5) buckled on the inner mold (1).
7. The top-bottom cover shaping mould according to claim 6, wherein the length of the recess (3) is smaller than the length of the side edge of the inner mould (1) on the side where the recess (3) is located.
8. The top-bottom cover shaping mold according to claim 6, wherein the height of the concave portion (3) is smaller than the height of the side edge of the inner mold (1) on the side where the concave portion (3) is located.
9. The top-bottom lid shaping mould according to claim 6, characterized in that the thickness of the raised portion (4) is the same as the depth of the recessed portion (3).
10. The shaping die for the top and bottom covers according to claim 1, wherein a fixing hole (9) is formed in the inner die (1), and the inner die (1) is connected with a fixing workbench through the fixing hole (9) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310759453.1A CN116691068A (en) | 2023-06-26 | 2023-06-26 | Shaping die for top and bottom covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310759453.1A CN116691068A (en) | 2023-06-26 | 2023-06-26 | Shaping die for top and bottom covers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116691068A true CN116691068A (en) | 2023-09-05 |
Family
ID=87838996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310759453.1A Pending CN116691068A (en) | 2023-06-26 | 2023-06-26 | Shaping die for top and bottom covers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116691068A (en) |
-
2023
- 2023-06-26 CN CN202310759453.1A patent/CN116691068A/en active Pending
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |