CN111688230B - Manufacturing method of 3D colored button - Google Patents
Manufacturing method of 3D colored button Download PDFInfo
- Publication number
- CN111688230B CN111688230B CN201910197986.9A CN201910197986A CN111688230B CN 111688230 B CN111688230 B CN 111688230B CN 201910197986 A CN201910197986 A CN 201910197986A CN 111688230 B CN111688230 B CN 111688230B
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- China
- Prior art keywords
- cavity
- die body
- lower die
- profile
- upper die
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14688—Coating articles provided with a decoration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2019/00—Buttons or semi-finished parts of buttons for haberdashery
Abstract
The invention discloses a method for manufacturing a 3D color button, which comprises the steps of printing a color pattern on one surface of a transparent plastic sheet, carrying out plastic suction molding on the transparent plastic sheet into a profile body through a plastic suction process, putting the profile body into a lower die body, tightly closing an upper die body, injecting plastic injection materials into cavities of the upper die body and the lower die body, downwards striking the plastic injection materials at the bottom end of the concave surface of the profile body under the action of injection pressure, and then fully injecting a cavity from bottom to top along the side wall of the cavity of the die, so that the profile body sequentially clings to the surface of a sizing material and realizes self-curling. Through process improvement, the manufactured 3D color button has the advantages of perfect appearance, no acute angle, long service life, scratch resistance and washing resistance, simple and reliable production process and low cost, and has good market prospect.
Description
Technical Field
The invention relates to the technical field of button manufacturing, in particular to a manufacturing method of a 3D color button.
Background
The buttons are common clothing accessories, and the 3D colorful buttons which are exquisite and low in cost cannot be manufactured by the existing technical method and technology in the market at present due to various reasons such as appearance flaws, high cost, high manufacturing difficulty and the like, so that the buttons, particularly children buttons, are single in color, dull in appearance and lack of novelty.
The 3D color button manufacturing process in the prior art mainly comprises the following two steps:
firstly, the heat transfer technology, this technology manufacturing cost is high, and printing layer adheres to the product surface, does not possess basic requirement such as the button daily use of preventing scraping, wear-resisting.
And secondly, the printing layer of the injection molding process is formed by attaching glue to the surface of a product, cannot meet the requirement of frequent washing and use of the button and is very easy to fall off. And the edge cutting is needed in the production process, so that the appearance is poor, the hand is easily injured by an acute angle, and the safety requirement of the children button is not met.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a manufacturing method of a 3D color button, which is characterized by perfect appearance, no acute angle, long service life, scratch resistance and washing resistance, simple and reliable production process, low cost and good market prospect.
The technical scheme adopted by the invention for solving the technical problems is as follows: a manufacturing method of a 3D color button comprises the following steps:
printing a preset colorful pattern on one surface of a transparent plastic sheet;
forming the transparent plastic sheet into a simulated body which meets the preset shape requirement and is provided with a circular arc cavity by plastic suction through a plastic suction process, and enabling the colorful pattern to be positioned in the convex surface;
placing the convex surface of the profile modeling body downwards into a preset lower die body, wherein the lower die body is provided with a circular arc-shaped cavity with an upward opening, and the convex surface of the profile modeling body is in clearance fit with the cavity wall of the cavity of the lower die body; the upper edge of the profile body is higher than the cavity of the lower die body by a preset height dimension, and the surface area of the profile body is larger than that of the cavity of the lower die body;
the upper die body is matched on the lower die body, the upper die body is provided with a cavity with a downward opening, the peripheral dimension of the cavity of the upper die body is matched with that of the cavity of the lower die body, the side wall of the cavity of the upper die body is of an R-angle structure, and the depth of the cavity of the upper die body is smaller than the height dimension of the upper edge of the profile-imitating body higher than that of the cavity of the lower die body, so that after the profile-imitating body is matched with the upper die body and the lower die body, a bent edge is formed on the upper edge of the profile-imitating body;
the injection plastic material is injected into the cavities of the upper die body and the lower die body from the middle of the upper die body, the injection plastic material is downwards hit at the bottom end of the concave side of the profile modeling body under the action of injection pressure, and then the cavity is fully injected by adhering to the side wall of the die cavity from bottom to top, so that the profile modeling body is sequentially adhered to the surface of the sizing material and the self-curling is realized.
Further, the upper edge of the profile body is cut, so that the upper edge of the profile body is higher than a cavity of the lower die body by a preset height dimension.
Furthermore, in the clearance fit between the convex surface of the profile modeling body and the cavity wall of the cavity of the lower die body, the bottommost end of the convex surface of the profile modeling body is in contact with the cavity wall of the cavity of the lower die body.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts the technical scheme that the convex surface of the profile-shaped body is in clearance fit with the cavity wall of the cavity of the lower die body, the upper edge of the profile-shaped body is higher than the cavity of the lower die body by a preset height dimension, and the surface area of the profile-shaped body is larger than that of the cavity of the lower die body; the upper edge of the profile modeling body is higher than the cavity of the lower die body, and when the upper die body is closed, the depth of the cavity of the upper die body is smaller than the height of the upper edge of the profile modeling body higher than the cavity of the lower die body, so that a bent edge is formed on the upper edge of the profile modeling body; meanwhile, the side wall of the cavity of the upper die body is designed to be of an R-angle structure, and plastic injection materials are injected into the cavities of the upper die body and the lower die body through the middle of the upper die body. According to the structure, the gap between the profile body and the cavity wall of the cavity of the lower die body is utilized, the profile body can be tensioned under the action of injection pressure during injection molding of the plastic material, and after injection molding is finished, the profile body shrinks and is tightly combined with a button blank formed by the injection molding material; the upper edge of the profile body is higher than the cavity of the lower die body, and the side wall of the cavity of the upper die body is designed into an R-angle structure, so that a back-off edge can be formed at the edge of the button blank body, the button blank body cannot be separated from the profile body, and the edge cutting is not needed; the injection molding materials are injected into the cavities of the upper die body and the lower die body from the middle of the upper die body, so that the injection pressure can be uniformly diffused along the middle to the periphery, and the combination uniformity of the copying body and the button blank is ensured; the manufactured 3D color button has the advantages of perfect appearance, no acute angle, long service life, scratch resistance and washing resistance, simple and reliable production process and low cost, is a breakthrough of the 3D color button process, and has good market prospect.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the manufacturing method of the 3D color button of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a cross-sectional structural view (not hatched) of a phantom according to an embodiment of the invention;
FIG. 2 is a schematic representation of a phantom according to an embodiment of the invention fitted in an upper and lower mold body (phantom lines not drawn);
FIG. 3 is a schematic view of injecting plastic injection material into the cavities of the upper and lower mold bodies according to the embodiment of the present invention (the phantom is not shown with hatching);
FIG. 4 is a cross-sectional structural view of a demolded button of an embodiment of the invention (phantom lines not drawn);
fig. 5 is a schematic external view of a molded button according to an embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 5, the method for manufacturing a 3D color button of the present invention includes:
printing a preset colorful pattern on one surface of a transparent plastic sheet;
forming the transparent plastic sheet into a copying body 1 (shown in figure 1) which meets the preset shape requirement and is provided with a circular arc-shaped cavity by plastic sucking through a plastic sucking process, and enabling the color pattern to be positioned in a convex surface 11;
the convex surface of the imitation body 1 is downwards placed into a preset lower die body 2, the lower die body 2 is provided with a circular arc-shaped cavity 21 with an upward opening, and the convex surface of the imitation body 1 is in clearance 20 fit with the cavity wall of the cavity 21 of the lower die body 2; the upper edge of the profile body 1 is higher than the cavity 21 of the lower die body 2 by a preset height dimension, and the surface area of the profile body 1 is larger than that of the cavity 21 of the lower die body 2;
matching an upper die body 3 on a lower die body 2 (as shown in fig. 2), wherein the upper die body 3 is provided with a cavity 31 with a downward opening, the peripheral dimension of the cavity 31 of the upper die body 3 is matched with the peripheral dimension of the cavity 21 of the lower die body 2, the side wall of the cavity 31 of the upper die body 3 is provided with an R-angle structure 32, the depth of the cavity 31 of the upper die body 3 is smaller than the height dimension of the upper edge of the copying body 1 higher than the cavity 21 of the lower die body 2, so that after the copying body 1 is matched with the upper and lower die bodies 2 and 3, the upper edge of the copying body 1 forms a bending edge 12;
injecting plastic injection material into the cavities of the upper and lower mold bodies 2, 3 through an injection port 33 in the middle of the upper mold body 2, the plastic injection material is downwards applied to the bottom end of the concave surface of the dummy body 1 under the action of injection pressure (as indicated by an arrow in fig. 3), then the cavity is fully injected from bottom to top along the side wall of the mold cavity, so that the dummy body 1 is sequentially attached to the surface of the rubber material and self-curling (as shown in fig. 3) is realized, after the injection molding is finished, a button blank 4 formed by the plastic injection material is tightly combined with the dummy body 1 (as shown in fig. 4), the bottom edge of the 3D color button 40 is provided with an R-corner structure 41, and the R-corner structure 41 is formed by injecting the plastic material from the R-corner structure 32 on the side wall of the cavity 31 of the upper mold body 3.
Further, the upper edge of the profile body can be cut, so that the upper edge of the profile body is higher than the cavity of the lower die body by a preset height dimension. Of course, it is also possible to make the shape of the dummy meet the requirements by calculation or experiment without cutting.
Furthermore, in the clearance fit between the convex surface of the profile-shaped body and the cavity wall of the cavity of the lower die body, the bottommost end of the convex surface of the profile-shaped body can be contacted with the cavity wall of the cavity of the lower die body. Of course, the bottommost end of the convex surface of the keeping profile body has a gap with the cavity wall of the cavity of the lower die body.
The invention relates to a method for manufacturing a 3D color button, which adopts the technical scheme that a convex surface of a profile body 1 is in clearance fit with the cavity wall of a cavity 21 of a lower die body 2, the upper edge of the profile body 1 is higher than the cavity 21 of the lower die body 2 by a preset height dimension, and the surface area of the profile body 1 is larger than that of the cavity 21 of the lower die body 2; namely, the copying body 1 is designed to have the peripheral dimension smaller than the peripheral dimension of the cavity of the lower die body and the height dimension higher than the height of the cavity of the lower die body, so that after the copying body is placed in the cavity of the lower die body, a convex surface of the copying body is in clearance fit with the cavity wall of the cavity of the lower die body, the upper edge of the copying body is higher than the cavity of the lower die body, and when the upper die body 3 is closed, as the depth of the cavity 31 of the upper die body 3 is smaller than the height dimension of the upper edge of the copying body higher than the cavity of the lower die body, the upper edge of the copying body 1 forms a bending edge 12; meanwhile, the side wall of the cavity 31 of the upper die body 3 is designed to be of an R-angle structure, and the injection plastic material is injected into the cavities of the upper die body and the lower die body through the middle of the upper die body 3. According to the structure, the gap between the copying body 1 and the cavity wall of the cavity 21 of the lower die body 2 is utilized, the copying body can be tensioned under the action of injection pressure during injection molding of glue, and after injection molding is finished, the copying body shrinks and is tightly combined with the button blank 4 formed by the injection molding of the glue; the upper edge of the profile body 1 is higher than the cavity 21 of the lower die body, and the side wall of the cavity of the upper die body 3 is set to be an R-angle structure 32, so that a back-off edge can be formed at the edge of the button blank 4, the button blank cannot be separated from the profile body, and the edge cutting is not needed; the injection molding material is injected into the cavities of the upper die body and the lower die body from the middle of the upper die body 3, so that the injection pressure can be uniformly diffused along the middle to the periphery, and the combination uniformity of the copying body and the button blank is ensured; the manufactured 3D color button has the advantages of perfect appearance, no acute angle, long service life, scratch resistance and washing resistance, simple and reliable production process and low cost, is a breakthrough of the 3D color button process, and has good market prospect.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (3)
1. A manufacturing method of a 3D color button is characterized by comprising the following steps: the method comprises the following steps:
printing a preset colorful pattern on one surface of a transparent plastic sheet;
forming the transparent plastic sheet into a simulated body which meets the preset shape requirement and is provided with a circular arc cavity by plastic suction through a plastic suction process, and enabling the colorful pattern to be positioned in the convex surface;
placing the convex surface of the profile modeling body downwards into a preset lower die body, wherein the lower die body is provided with a circular arc-shaped cavity with an upward opening, and the convex surface of the profile modeling body is in clearance fit with the cavity wall of the cavity of the lower die body; the upper edge of the profile body is higher than the cavity of the lower die body by a preset height dimension, and the surface area of the profile body is larger than that of the cavity of the lower die body;
the upper die body is matched on the lower die body, the upper die body is provided with a cavity with a downward opening, the peripheral dimension of the cavity of the upper die body is matched with that of the cavity of the lower die body, the side wall of the cavity of the upper die body is of an R-angle structure, and the depth of the cavity of the upper die body is smaller than the height dimension of the upper edge of the profile-imitating body higher than that of the cavity of the lower die body, so that after the profile-imitating body is matched with the upper die body and the lower die body, a bent edge is formed on the upper edge of the profile-imitating body;
the injection plastic material is injected into the cavities of the upper die body and the lower die body from the middle of the upper die body, the injection plastic material is downwards hit at the bottom end of the concave side of the profile modeling body under the action of injection pressure, and then the cavity is fully injected by adhering to the side wall of the die cavity from bottom to top, so that the profile modeling body is sequentially adhered to the surface of the sizing material and the self-curling is realized.
2. The method for manufacturing the 3D colorful button according to claim 1, wherein the method comprises the following steps: further, the upper edge of the profile body is cut, so that the upper edge of the profile body is higher than a cavity of the lower die body by a preset height dimension.
3. The method for manufacturing the 3D colorful button according to claim 1, wherein the method comprises the following steps: furthermore, in the clearance fit between the convex surface of the profile modeling body and the cavity wall of the cavity of the lower die body, the bottommost end of the convex surface of the profile modeling body is in contact with the cavity wall of the cavity of the lower die body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197986.9A CN111688230B (en) | 2019-03-15 | 2019-03-15 | Manufacturing method of 3D colored button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197986.9A CN111688230B (en) | 2019-03-15 | 2019-03-15 | Manufacturing method of 3D colored button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111688230A CN111688230A (en) | 2020-09-22 |
| CN111688230B true CN111688230B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910197986.9A Active CN111688230B (en) | 2019-03-15 | 2019-03-15 | Manufacturing method of 3D colored button |
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| CN (1) | CN111688230B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5087404A (en) * | 1989-12-01 | 1992-02-11 | Ykk Corporation | Method for molding on carrier strip material |
| JPH06328506A (en) * | 1993-05-26 | 1994-11-29 | Yoshida Kogyo Kk <Ykk> | Production of panel button for electrical component and its panel button |
| JP3260994B2 (en) * | 1994-12-27 | 2002-02-25 | テイ・エス テック株式会社 | Skin integral molding method and skin integral molding apparatus |
| CN1149942C (en) * | 1999-05-05 | 2004-05-19 | 立兆有限公司 | Thin button and its making method |
| CA2411181C (en) * | 2001-11-06 | 2006-04-11 | Northern Engraving Corporation | Method of manufacturing multiple levels of automobile trim |
| EP1520676A1 (en) * | 2003-10-02 | 2005-04-06 | Behr GmbH & Co. KG | Process and device for the manufacture of a hybrid part, especially a cross beam of a vehicle |
| CN201967854U (en) * | 2011-03-18 | 2011-09-14 | 天津美泰真空技术有限公司 | Vacuum aluminized button |
| CN108908839B (en) * | 2018-06-20 | 2020-11-27 | 温岭东方红车料有限公司 | Integral elastic support and method for manufacturing same |
| CN112021736B (en) * | 2020-09-08 | 2022-08-12 | 深圳联达钮扣有限公司 | Shell button with crack effect and manufacturing method thereof |
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2019
- 2019-03-15 CN CN201910197986.9A patent/CN111688230B/en active Active
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