TWI751041B - Manufacturing method and products of pet box lid - Google Patents
Manufacturing method and products of pet box lid Download PDFInfo
- Publication number
- TWI751041B TWI751041B TW110106656A TW110106656A TWI751041B TW I751041 B TWI751041 B TW I751041B TW 110106656 A TW110106656 A TW 110106656A TW 110106656 A TW110106656 A TW 110106656A TW I751041 B TWI751041 B TW I751041B
- Authority
- TW
- Taiwan
- Prior art keywords
- mold
- plastic sheet
- box cover
- cover
- cavity
- Prior art date
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Closures For Containers (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
本發明係有關於一種塑膠製品的技術領域,尤指一種PET製的盒蓋之製法及其製品。 The invention relates to the technical field of a plastic product, in particular to a method for making a PET box cover and its product.
一般而言,塑料或橡膠膠料在閉合模腔內藉助加熱、加壓而成型為製品的塑料加工(也是橡膠加工)方法。一般是將粉狀、粒狀、團粒狀、片狀、甚至先作成和製品相似形狀的料坯、放在加熱的母模的型腔中、然後閉模加壓,使其成型並固化或硫化,再經脫模得製品。 Generally speaking, a plastic processing (also rubber processing) method in which a plastic or rubber compound is formed into a product by heating and pressing in a closed mold cavity. Generally, powders, granules, granules, flakes, or even preforms with similar shapes to the products are placed in the cavity of the heated master mold, and then the mold is closed and pressurized to shape and solidify or vulcanize it. , and then demoulded to obtain the product.
然而,一般加壓成型塑料時,塑料與母模之間容易殘留多餘的氣體,進而導致塑料成型會有水波紋產生,使得產品的不良率提高。 However, when plastic is generally press-molded, excess gas is likely to remain between the plastic and the master mold, which in turn leads to water ripples in the plastic molding, which increases the defect rate of the product.
如第7圖所示,圖中揭示一盒蓋50的表面具有水波紋,使光線於該盒蓋50的表面反射/透出呈現不均勻的狀態,故消費者無法清楚地目視位在該盒子的內容物。由此可見,習知的製作方法仍有改善的必要性。
As shown in FIG. 7, it is revealed that the surface of a
本發明的目的在於提供一種PET製的盒蓋之製法及其製品,其具有降低水波紋產生之功效。 The purpose of the present invention is to provide a method for making a PET box cover and its product, which have the effect of reducing the generation of water ripples.
為達上述目的以及功效,本發明提供一種PET製的盒蓋,其包含一蓋片,一周部圍繞該蓋片,以及一開放狀的蓋口形成在該周部圍構成的範圍 的一端相對該蓋片,該蓋片具有一第一面部,及一第二面部相對該第一面部,其特徵在於該第一面部包含一第一斜角面連接一第二斜角面,一消波線形成在該第一斜角面及該第二斜角面的相接處。 In order to achieve the above purpose and effect, the present invention provides a box cover made of PET, which comprises a cover sheet, a peripheral portion surrounds the cover sheet, and an open lid is formed in a range formed around the peripheral portion One end of the cover is opposite to the cover, the cover has a first face, and a second face is opposite to the first face, characterized in that the first face includes a first beveled surface connecting a second beveled A wave-elimination line is formed at the junction of the first beveled surface and the second beveled surface.
於一實施例中,其中該第一斜角面具有一第一連接側及一第一周部側,該第一連接側比該第一周部側接近該蓋口,該第二斜角面具有一第二連接側及一第二周部側,該第二連接側比該第二周部側接近該蓋口,該第一連接側係相接該第二連接側且形成該消波線。 In one embodiment, the first beveled surface has a first connecting side and a first peripheral side, the first connecting side is closer to the cover than the first peripheral side, and the second beveled surface is It has a second connection side and a second peripheral side, the second connection side is closer to the cover than the second peripheral side, and the first connection side is connected to the second connection side and forms the wave elimination line.
於一實施例中,其中該第一連接側及一第一周部側的傾斜角度介於0.5度~1.5度之間。 In one embodiment, the inclination angle of the first connecting side and the first peripheral side is between 0.5 degrees and 1.5 degrees.
一種PET製的盒蓋之製法,包含以下步驟:一送料步驟,將一塑料片放置於一母模,其中該母模的內部具有一模穴,且該模穴的底面具有一凸起稜線;一壓合步驟,利用一公模壓合該塑料片至該母模的該模穴,使該塑料片接觸該模穴的該凸起稜線;一排氣步驟,在該公模壓合該塑料片至該母模的該模穴的過程,該塑料片與該母模之該底面間的氣體藉該凸起稜線與周邊表面間的傾斜角度而排出;一成型步驟,該塑料片經壓合形成一盒蓋,且該盒蓋的一側表面藉由該凸起稜線成形一消波線。 A method for making a PET box cover, comprising the following steps: a feeding step, placing a plastic sheet on a female mold, wherein the female mold has a cavity inside, and the bottom surface of the cavity has a raised ridge; In a pressing step, a male mold is used to press the plastic sheet to the mold cavity of the female mold, so that the plastic sheet contacts the raised ridgeline of the mold cavity; In the process of the cavity of the master mold, the gas between the plastic sheet and the bottom surface of the master mold is discharged through the inclination angle between the raised ridgeline and the peripheral surface; in a molding step, the plastic sheet is pressed to form a A box cover is formed on one side surface of the box cover by the raised ridgeline to form a wave-eliminating line.
於一實施例中,其中該壓合步驟前,更包含有將該公模預熱至一預定溫度之加熱步驟。 In one embodiment, before the pressing step, a heating step of preheating the male mold to a predetermined temperature is further included.
以下即依本發明的目的與功效,茲舉出較佳實施例,並配合圖示詳細說明。 Hereinafter, according to the purpose and effect of the present invention, preferred embodiments are given and described in detail with the accompanying drawings.
10:塑料片 10: Plastic sheet
20:母模 20: master mold
22:模穴 22: Mold cavity
24:開放口 24: Open mouth
26:底面 26: Underside
260:第一斜面 260: First Bevel
262:第二斜面 262: Second Bevel
28:凸起稜線 28: Raised ridges
30:公模 30: male model
40:盒蓋 40: box cover
42:蓋片 42: Coverslip
43:第一面部 43: First Facial
420:第一斜角面 420: First bevel face
422:第二斜角面 422: Second bevel face
424:第一連接側 424: First connection side
426:第一周部側 426: 1st perimeter side
428:第二連接側 428: Second connection side
430:第二周部側 430: Second peripheral side
44:周部 44: Zhou Department
45:第二面部 45: Second Facial
46:空間 46: Space
48:消波線 48: Wave elimination line
49:蓋口 49: Cover
50:盒蓋 50: box cover
第1圖係本發明的製造流程示意圖。 Fig. 1 is a schematic diagram of the manufacturing flow of the present invention.
第2圖係本發明的流程方塊圖。 Fig. 2 is a block flow diagram of the present invention.
第3圖係本發明的母模外觀圖。 Fig. 3 is an external view of the master mold of the present invention.
第4圖係本發明的母模剖面圖。 Fig. 4 is a cross-sectional view of a master mold of the present invention.
第5圖係本發明的盒蓋外觀圖。 Fig. 5 is an external view of the box cover of the present invention.
第6圖係本發明的盒蓋剖面圖。 Fig. 6 is a sectional view of the cover of the present invention.
第7圖係習知具有水波紋的盒蓋示意圖。 FIG. 7 is a schematic diagram of a conventional box cover with water ripples.
請參閱第1、2圖,本發明提供一種PET製的盒蓋之製法,包含以下步驟:一送料步驟,將事先裁好的一塑料片10放置於一母模20,如果需要大量生產的情況,送料這個動作通常是以機械自動化的步驟,在一個循環週期移除產品之後,會自動的放置下一個塑料片10,藉此節省製造時間。
Please refer to Figures 1 and 2, the present invention provides a method for making a PET box cover, comprising the following steps: a feeding step, placing a pre-cut
一加熱步驟,將一公模30預熱至一預定溫度,接著利用該公模30進行壓合動作。此外,該公模30的形狀與該母模20的一模穴22形狀吻合,且該模穴22的一底面26具有一凸起稜線28。
In a heating step, a
一壓合步驟,該公模30係對應該母模20,該公模30壓合該塑料片10,進一步地說,該公模30往該母模20的方向靠近,接著將該塑料片10壓靠至該母模20的表面,使該塑料片10接觸該模穴22的該凸起稜線28。
In a pressing step, the
一排氣步驟,利用該公模30壓合該塑料片10至該母模20,致使該塑料片10與該母模20與該底面26之間的氣體排出,藉此避免該塑料片10的表面形成水波紋。
In a venting step, the
一成型步驟,該塑料片10於該母模20的該模穴22成型,接著該塑料片10冷卻後,並且經由適當的裁切形成一盒蓋40。
In a molding step, the
請參閱第3圖,該模穴22係形成在該母模20的內部,該模穴22的一端為一開放口24且呈開放狀,該模穴22的另一端為一底面26且為封閉,該底面26具有一凸起稜線28。該開放口24係相對該底面26。該凸起稜線28係朝向該模穴22的該開放口24。
Please refer to FIG. 3 , the
請參閱第4圖,該母模20的該底面26係包含一第一斜面260以及一第二斜面262,該第一斜面260連接該第二斜面262,且該第一斜面260與該第二斜面262為對稱。該第一斜面260與該第二斜面262的相接處為該凸起稜線28。請搭配參閱第1圖,該公模30壓合該塑料片10至該母模20的該底面26,進一步,該公模30將該塑料片10壓向該母模20的該第一斜面260以及該第二斜面262,藉此該塑料片10與該母模20之間的氣體藉該凸起稜線28與周邊表面間的傾斜角度而排出,具體而言,該塑料片10與該母模20之間的氣體會經由該第一斜面260以及該第二斜面262排出,藉此降低水波紋產生。
Please refer to FIG. 4 , the
請參閱第5、6圖,該盒蓋40包含一蓋片42、一周部44。該周部44係連接該蓋片42,且該周部44係環繞該蓋片42進而圍構成一空間46。該空間46的內壁面呈階梯狀。一開放狀的蓋口49係形成在該周部44圍構成的範圍的一端,且該蓋口49相對該蓋片42。該蓋片42具有一第一面部43,及一第二面部45相對該第一面部43。
Please refer to FIGS. 5 and 6 , the
該蓋片42的該第一面部43包含一第一斜角面420以及一第二斜角面422,一消波線48係形成在該蓋片42,具體而言,該第一斜角面420連接該第二斜角面422,且該第一斜角面420對稱該第二斜角面422,該第一斜角面420與該第二斜角面422的相接處為該消波線48。
The
該第一斜角面420具有一第一連接側424及一第一周部側426,該第一連接側424相接該消波線48,該第一周部側426相近該周部44。該第一連接側424比該第一周部側426接近該蓋口49,該第一連接側424以及該第一周部側426之間具有一角度,且該角度介於0.5度~1.5度之間。
The first
該第二斜角面422具有一第二連接側428及一第二周部側430,該第二連接側428相接該消波線48,該第二周部側430相近該周部44。該第二連接側428比該第二周部側430接近該蓋口49。請再參閱第1圖,該盒蓋40的一側表面藉由該母模20的該凸起稜線28形成該消波線48。
The second
根據以上所述,本發明藉由該母模20的該第一斜面260以及該第二斜面262排出多餘的氣體,藉此避免該塑料片10的表面形成水波紋。
According to the above, the present invention uses the first
上述實施例僅為例示性說明本發明之技術及其功效,而非用於限制本發明。任何熟於此項技術人士均可在不違背本發明之技術原理及精神的情況下,對上述實施例進行修改及變化,因此本發明之權利保護範圍應如後所述之申請專利範圍所列。 The above-mentioned embodiments are only used to illustrate the technology of the present invention and its effect, and are not intended to limit the present invention. Anyone skilled in the art can modify and change the above embodiments without violating the technical principle and spirit of the present invention. Therefore, the scope of protection of the present invention should be listed in the scope of the patent application described later. .
10:塑料片 10: Plastic sheet
20:母模 20: master mold
22:模穴 22: Mold cavity
26:底面 26: Underside
28:凸起稜線 28: Raised ridges
30:公模 30: male model
40:盒蓋 40: box cover
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110106656A TWI751041B (en) | 2021-02-25 | 2021-02-25 | Manufacturing method and products of pet box lid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110106656A TWI751041B (en) | 2021-02-25 | 2021-02-25 | Manufacturing method and products of pet box lid |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI751041B true TWI751041B (en) | 2021-12-21 |
TW202233492A TW202233492A (en) | 2022-09-01 |
Family
ID=80681436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW110106656A TWI751041B (en) | 2021-02-25 | 2021-02-25 | Manufacturing method and products of pet box lid |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI751041B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200842018A (en) * | 2007-04-20 | 2008-11-01 | Hon Hai Prec Ind Co Ltd | Mold |
US8043539B2 (en) * | 2002-03-13 | 2011-10-25 | Nissei Company, Ltd. | Process for producing biodegradable molded item and molding dies therefor |
US9283721B2 (en) * | 2012-03-21 | 2016-03-15 | Himile Mechanical Science And Technology (Shandong) Co., Ltd. | Pore-free tire segmented mold pattern block, segmented mold, and cleaning methods therefor |
CN111531013A (en) * | 2020-05-29 | 2020-08-14 | 万盛兴精密技术(惠州)有限公司 | Preparation method and preparation mold for box part |
-
2021
- 2021-02-25 TW TW110106656A patent/TWI751041B/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8043539B2 (en) * | 2002-03-13 | 2011-10-25 | Nissei Company, Ltd. | Process for producing biodegradable molded item and molding dies therefor |
TW200842018A (en) * | 2007-04-20 | 2008-11-01 | Hon Hai Prec Ind Co Ltd | Mold |
US9283721B2 (en) * | 2012-03-21 | 2016-03-15 | Himile Mechanical Science And Technology (Shandong) Co., Ltd. | Pore-free tire segmented mold pattern block, segmented mold, and cleaning methods therefor |
CN111531013A (en) * | 2020-05-29 | 2020-08-14 | 万盛兴精密技术(惠州)有限公司 | Preparation method and preparation mold for box part |
Also Published As
Publication number | Publication date |
---|---|
TW202233492A (en) | 2022-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101357507B (en) | Plastic-suction manufacture method | |
CN101804684A (en) | In-mould decorating injection moulding method and mould | |
CN103603234A (en) | Molded pulp container cover with clamping tenon, mold for manufacturing container cover and manufacturing method | |
CN103929915B (en) | Waterproof metal outer shell of electronic product and manufacturing method thereof | |
CN105885278B (en) | Preparation method of degradable sealing film material, product and sealing container | |
WO2021082995A1 (en) | Plant fiber molded cup lid with inner convex ring and manufacturing method thereof | |
TWI751041B (en) | Manufacturing method and products of pet box lid | |
TW201700275A (en) | Hot pressing mold and manufacturing method of molded pulp | |
CN218053767U (en) | Silica gel is moulded plastics and is prevented deckle edge anti-overflow glued structure | |
CN203668762U (en) | Molded pulp container cover with clamping tenons and manufacturing mold of molded pulp container cover | |
CN209775436U (en) | Vacuumizing rapid exhaust injection mold structure | |
CN107283749A (en) | Aluminium film in-mold decoration forming all-in-one and forming method | |
US20210162649A1 (en) | Container forming apparatus, container forming method, container, and instant food packaging method using container | |
CN103663932A (en) | Molding die, glass molding device using same, and glass molding method | |
CN210336717U (en) | Mold insert structure of blowing on parting surface of mold core | |
CN214447742U (en) | Composite material forming die capable of exhausting air under negative pressure | |
CN209395169U (en) | Injection mold with punching press function | |
CN212764366U (en) | Steam mould seal structure | |
CN208514886U (en) | A kind of depth chamber product mold core pulling exhaust cooling device | |
CN201169022Y (en) | Insert fixing mechanism | |
CN205588599U (en) | Production facility of low -cost light guide plate | |
CN107297458B (en) | Vacuum shell mold and shell molding method | |
JP4980109B2 (en) | Press mold and press molding method | |
CN206510345U (en) | A kind of injection mold | |
CN215095580U (en) | Prevent mould plastic sucking disc structure of interference |