TWI606911B - Injection moulding and the mould - Google Patents

Injection moulding and the mould Download PDF

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Publication number
TWI606911B
TWI606911B TW104139799A TW104139799A TWI606911B TW I606911 B TWI606911 B TW I606911B TW 104139799 A TW104139799 A TW 104139799A TW 104139799 A TW104139799 A TW 104139799A TW I606911 B TWI606911 B TW I606911B
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mold
film
male
decorative
decoration
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TW104139799A
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Chinese (zh)
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TW201718216A (en
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陳惠俐
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遠東科技大學
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14688Coating articles provided with a decoration

Description

射出成形機及其使用的表面裝飾模具Injection molding machine and surface decoration mold used therefor

本發明係關於射出成形機及其所使用之模具,尤指一種可整合射出成形及表面裝飾之模具的射出成形機。 The present invention relates to an injection molding machine and a mold used therefor, and more particularly to an injection molding machine that can integrate a mold for injection molding and surface decoration.

近年來,筆記型電腦、手機外殼或平板電腦等,常使用到各種形狀之塑膠或金屬外殼。 In recent years, notebook computers, mobile phone cases, or tablet computers have often used plastic or metal casings of various shapes.

在該外殼製品的製造過程,常使用的射出成形機係具備:用以形成模穴(供熱塑性樹脂射出)之模具。其係朝向模穴射出塑料或金屬原料後將模具冷卻,使該原料固化從而製造塑膠外殼製品。 In the manufacturing process of the outer casing product, a commonly used injection molding machine includes a mold for forming a cavity (for injection of a thermoplastic resin). After the plastic or metal material is injected toward the cavity, the mold is cooled, and the raw material is solidified to manufacture a plastic outer casing.

中華民國專利第590871號「樹脂成形機」,其係提供一種樹脂成形機,其係不需要廢料取出機而可降低成本,且可縮短循環時間,同時可減少廢料量者。本發明解決手段之樹脂成形機係包含:固定側母模板13,其係具備連通母模C之澆口13a者;及澆道襯套16,其係形成有透過上述澆口13a供給上述母模C內成形材料之澆道16a者,該樹脂成形機之特徵在於包含:汽缸機構(流道板驅動手段)25,其係於上述固定側母模板13與澆道襯套16間配設流道板20,並使該流道板20於成形位置A,以及於與該成形位置A為相異位置將廢料排出之排 出位置B1、B2閘來回直線移動者;及排出通路(廢料排出手段)30,其係於該排出位置B1或B2將上述廢料排出者。 The Republic of China Patent No. 590871 "Resin Forming Machine" provides a resin molding machine which can reduce the cost without requiring a waste extractor, and can shorten the cycle time while reducing the amount of waste. The resin molding machine of the present invention comprises: a fixed side mother die plate 13 having a gate 13a connected to the master mold C; and a sprue bushing 16 formed to be supplied to the master mold through the gate 13a. In the case of the runner 16a of the C-forming material, the resin molding machine is characterized by comprising: a cylinder mechanism (flow path plate driving means) 25 for arranging a flow path between the fixed-side mother die plate 13 and the sprue bushing 16 The plate 20, and the flow path plate 20 is discharged at the forming position A, and at a position different from the forming position A The exit positions B1 and B2 are linearly moved back and forth; and a discharge passage (waste discharge means) 30 for discharging the waste material at the discharge position B1 or B2.

由於以塗佈方式使油墨貼附外殼而美化外殼之方法,將會造成環境問題,故此方法已全面禁止。 The method of beautifying the outer casing by attaching the ink to the outer casing by coating means causes environmental problems, and thus the method has been completely prohibited.

習知貼附薄膜或以薄膜轉印油墨可美化成形外殼或使外殼附加所需功能,故目前業界主要的方式係分為模內裝飾及模外裝飾。 It is customary to attach a film or a film transfer ink to beautify the outer casing or to attach the desired function to the outer casing. Therefore, the main methods in the industry are classified into in-mold decoration and exterior decoration.

其中,模內裝飾,係預先將薄膜或油墨置入模具內者,其主要包含兩步驟:第一製程,將油墨置於高壓成形機內施予加熱、抽真空、高壓等步驟加以成形為薄膜;第二製程,將所成形之薄膜置入射出成形機之模具內,進行射出塑料操作,亦即,使射出塑料結合該薄膜,從而增強成品之結構強度及美化外觀。 Wherein, the in-mold decoration is a method in which a film or an ink is placed in a mold in advance, and the method mainly comprises two steps: a first process, the ink is placed in a high-pressure molding machine, and the steps of heating, vacuuming, high-pressure, etc. are formed into a film. In the second process, the formed film is placed into the mold of the molding machine to perform the injection plastic operation, that is, the injection plastic is combined with the film, thereby enhancing the structural strength and beautifying the appearance of the finished product.

此外,模外裝飾,係在已製作完成之塑膠或金屬外殼之表面,進行薄膜貼合,其亦包含兩步驟:第一製程,使用射出成形機進行射出操作,從而得到射出成形品;第二製程,將射出成形品由射出成形機取出,使用真空成形設備對於該射出成形品進行薄膜貼附。 In addition, the mold decoration is carried out on the surface of the finished plastic or metal casing for film bonding, which also comprises two steps: a first process, using an injection molding machine to perform an injection operation, thereby obtaining an injection molded article; In the process, the injection molded article was taken out by an injection molding machine, and the injection molded article was subjected to film attachment using a vacuum forming apparatus.

然而,根據上述之方法,在模內裝飾的第二步驟中,將油墨所形成之薄膜至於模具內,在射出塑料時,由於油墨之耐熱溫度約為135℃,而塑料溫度為200℃以上,故將有其接觸溫度過高,而被沖刷之問題。 However, according to the above method, in the second step of the in-mold decoration, the film formed by the ink is placed in the mold, and when the plastic is injected, the heat resistance temperature of the ink is about 135 ° C, and the plastic temperature is 200 ° C or more. Therefore, there will be problems in that the contact temperature is too high and is washed away.

此外,若係使用模外裝飾,則必須再進行第一步驟,亦即使用射出成形機射出成形外殼後,再放置於真空成形設備中進行薄膜貼附,惟此模外裝飾方式,因必須經過成形後取出再使用另一設備裝飾,其步驟過於繁複,無法於同一製程中完成。 In addition, if the mold decoration is used, the first step must be performed, that is, after the injection molding machine is used to inject the molded casing, and then placed in a vacuum forming apparatus for film attachment, but the mold decoration method must pass After forming, it is taken out and then decorated with another equipment. The steps are too complicated to be completed in the same process.

又,上述之方法會有薄膜與模具間之精密關係位置將有異動之問題,致使射出成形後之外殼會有與薄膜貼合欠佳之問題發生,甚至造成不良品。 Moreover, the above method has a problem that the precise relationship between the film and the mold will be changed, so that the outer casing after the injection molding has a problem of poor adhesion to the film, and even causes defective products.

因此,如何徹底改善現有外殼之生產方式及設備的缺失,並提供一種經濟可行之技術方案及機具設備,係業界應加以探究、突破之方向。 Therefore, how to completely improve the production methods and equipment shortage of existing casings, and provide an economically viable technical solution and equipment, is the direction that the industry should explore and break through.

本發明鑒於上述之技術背景,目的在於提供一種射出成形機,其係具有雙側模具,藉此可將該模外裝飾之第一製程與該第二製程整合為一體,從而具有高生產性,且可製得優異外觀之成品。 The present invention has been made in view of the above technical background, and an object of the present invention is to provide an injection molding machine having a double-sided mold, whereby the first process of the mold decoration can be integrated with the second process, thereby having high productivity. And can produce a finished product with excellent appearance.

為達成該目的,本發明提供以下手段。 To achieve this object, the present invention provides the following means.

〔1〕一種表面裝飾模具,係使用於雙色射出成形機之模具,其包含:射出公模,該射出公模係具有真空氣道;第一母模,係位於該雙色射出成形機的一次側,將原料射出至該射出公模及該第一母模閉合所形成之第一模腔成形為初步成形品;裝飾公模,該裝飾公模係具有真空氣道;第二母模,係位於該雙色射出成形機的二次側,該第二母模經由移動可與該裝飾公模閉合,與裝飾公模接觸之面(內表面)上,係貼附有一薄膜,且該第二母模具有塑性氣道及加熱器;以及 一旋轉盤,係與該射出公模及該裝飾公模軸接,藉由其轉動可將位於一次側之該射出公模轉至二次側。 [1] A surface decoration mold for use in a mold of a two-color injection molding machine, comprising: an injection male mold having a vacuum air passage; and a first master mold located on a primary side of the two-color injection molding machine, Forming a first cavity formed by injecting the raw material into the injection male mold and closing the first female mold into a preliminary molded product; decorating the male mold, the decorative male mold has a vacuum air passage; and the second female mold is located in the two-color mold The second side of the injection molding machine is closed, the second female mold is closed with the decorative male mold by movement, and a film is attached to the surface (inner surface) contacting the decorative male mold, and the second female mold has plasticity Airway and heater; A rotating disk is coupled to the shooting male mold and the decorative male mold, and the rotating male mold on the primary side is rotated to the secondary side by the rotation thereof.

〔2〕如前項1所記載之表面裝飾模具,其中,該初步成形品藉由該旋轉盤移動至二次側,並與第二母模相互閉合時,係藉由該射出公模或裝飾公模上之真空氣道進行抽真空而使該薄膜與該初步成形品貼合。 [2] The surface decorative mold according to the first aspect, wherein the preliminary molded article is moved to the secondary side by the rotating disk, and is closed to the second female die by the male die or the decorative male The vacuum air passage on the mold is evacuated to bond the film to the preliminary molded article.

〔3〕如前項1所記載之表面裝飾模具,其中,該薄膜係使用薄膜供應器傳送薄膜至該第二母模之內表面側;該薄膜貼附於第二母模時,係藉由第二母模上之加熱器預先加熱;且該第二母模上之加熱器,其溫度係較塑料原料之熔點低者。 [3] The surface decoration mold according to the above item 1, wherein the film is transported to the inner surface side of the second mother mold by using a film supply; when the film is attached to the second mother mold, The heater on the two master molds is preheated; and the heater on the second master mold has a lower temperature than the melting point of the plastic material.

〔4〕如前項1所記載之表面裝飾模具,其中,該第二母模係具有裁切刀具者。 [4] The surface decorative mold according to [1], wherein the second master mold has a cutting tool.

〔5〕如前項1或2所記載之表面裝飾模具,其中,該薄膜係以油墨印刷有圖案或文字,且該油墨係熱轉印油墨或熱昇華油墨之任一種。 [5] The surface decorative mold according to the above item 1 or 2, wherein the film is printed with a pattern or a character in ink, and the ink is any one of a thermal transfer ink or a thermal sublimation ink.

〔6〕如前項5所記載之表面裝飾模具,其中,該油墨可轉印至初步成形品之表面。 [6] The surface decorative mold according to the item 5, wherein the ink is transferred to the surface of the preliminary molded article.

〔7〕如前項1或2所記載之表面裝飾模具,其中,該薄膜之材質係聚碳酸脂或聚乙烯之任一種;且該表面裝飾模具之材質為金屬。 [7] The surface decorative mold according to the above item 1 or 2, wherein the material of the film is any one of polycarbonate or polyethylene; and the surface decorative mold is made of metal.

〔8〕一種射出成形機,其特徵為其係一種雙色射出成形機,並具有前項1~7中任一項所記載之表面裝飾模具者。 [8] An injection molding machine characterized by being a two-color injection molding machine and having the surface decoration mold according to any one of items 1 to 7.

根據〔1〕的發明,由於本發明之表面裝飾模具中,藉由位於一次側之射出公模及第一母模,當射出原料時,可由該兩者閉合所形成之第一模腔,將可成形為初步成形品。並且,藉由旋轉盤使具有初步成形品之射出公模移動至二次側,再次閉合可使初步成形品與第二母模之內表面上的薄膜貼合,從而完成初步成形品的表面裝飾。 According to the invention of [1], in the surface decorative mold of the present invention, by projecting the male mold and the first master mold on the primary side, when the raw material is injected, the first cavity formed by the two can be closed. It can be formed into a preliminary molded article. Further, the injection male mold having the preliminary molded product is moved to the secondary side by the rotary disk, and the first molding is bonded to the film on the inner surface of the second female mold to complete the surface decoration of the preliminary molded product. .

根據〔2〕的發明,由於係藉由該射出公模或該裝飾公模上之真空氣道抽真空而使該薄膜與該初步成形品貼合,故薄膜與初步成形品間將不會有皺褶,可提供外觀美好之射出成形品或具有所需功能之射出成形品。 According to the invention of [2], since the film is bonded to the preliminary molded article by vacuuming the vacuum air passage on the injection male mold or the decorative male mold, there is no wrinkle between the film and the preliminary molded product. The pleats provide an injection molded article having a beautiful appearance or an injection molded article having a desired function.

根據〔3〕的發明,由於薄膜係由薄膜供應器傳送至該第二母模之內表面側,故可不間斷地提供薄膜進行表面裝飾,且因第二母模具有加熱器,故可預先加熱薄膜,使薄膜更容易與初步成形品貼合,此外,由於第二母模上之加熱器,其溫度係設定為較塑料原料之熔點低,因此不會使印刷於薄膜上之油墨擴散暈開或沖散,從而可提供外觀美好之射出成形品。 According to the invention of [3], since the film is conveyed from the film supply device to the inner surface side of the second mother die, the film can be continuously provided for surface decoration, and since the second mother die has a heater, it can be preheated. The film makes it easier for the film to be bonded to the preliminary molded article. Further, since the heater on the second mother die is set to have a lower melting point than the plastic material, the ink printed on the film is not diffused. Or it is scattered, so that it can provide a beautiful appearance of the injection molded article.

根據〔4〕的發明,因第二母模具有裁切刀具,故在使薄膜與初步成形品貼合時,即可立即將薄膜裁剪為適當大小,從而可提供外觀美好之射出成形品。 According to the invention of [4], since the second master mold has the cutting tool, when the film is bonded to the preliminary molded article, the film can be immediately cut to an appropriate size, thereby providing an injection molded article having a beautiful appearance.

根據〔5〕及〔6〕的發明,由於薄膜表面具有油墨所成圖案或文字,故其經由貼附初步成形品時,可因薄膜本身的貼附或其上之油墨的轉印而美化或賦予射出成形品功能。 According to the inventions of [5] and [6], since the surface of the film has a pattern or a character formed by the ink, when the preliminary molded article is attached, it can be beautified by the attachment of the film itself or the transfer of the ink thereon. The function of injection molding is given.

根據〔7〕的發明,可提供外觀美好之射出成形品。 According to the invention of [7], it is possible to provide an injection molded article having a beautiful appearance.

根據〔8〕的發明,可藉由本發明之射出成形機,將可將射出成形品之步驟及表面裝飾薄膜之步驟整合,亦即可在同一製程中一邊進行射出成形品一邊進行表面裝飾薄膜,從而提高生產性,可24小時持續生產射出成形 品。 According to the invention of [8], the step of injecting the molded article and the step of decorating the surface film can be integrated by the injection molding machine of the present invention, and the surface decorative film can be formed while the molded article is injected in the same process. Thereby improving productivity and continuous production of injection molding for 24 hours Product.

1‧‧‧模具 1‧‧‧Mold

11‧‧‧射出公模 11‧‧‧ shot public model

111‧‧‧真空氣道 111‧‧‧vacuum airway

12‧‧‧第一母模 12‧‧‧ first mother model

13‧‧‧裝飾公模 13‧‧‧Decorative male model

131‧‧‧真空氣道 131‧‧‧vacuum airway

14‧‧‧第二母模 14‧‧‧Second master

141‧‧‧內表面 141‧‧‧ inner surface

142‧‧‧加熱器 142‧‧‧heater

143‧‧‧塑性氣道 143‧‧‧Plastic airway

15‧‧‧旋轉盤 15‧‧‧ rotating disk

16‧‧‧第一模腔 16‧‧‧First cavity

17‧‧‧一次側 17‧‧‧One side

18‧‧‧二次側 18‧‧‧second side

19‧‧‧第二模腔 19‧‧‧Second cavity

2‧‧‧第一射出噴嘴 2‧‧‧First injection nozzle

3‧‧‧第二射出噴嘴 3‧‧‧Second injection nozzle

4‧‧‧初步成形品 4‧‧‧Preliminary molded products

5‧‧‧原料 5‧‧‧Materials

6‧‧‧薄膜供應器 6‧‧‧film supply

61‧‧‧薄膜 61‧‧‧film

7‧‧‧射出成形機 7‧‧‧ Injection molding machine

【圖1】表示本發明之表面裝飾模具的較佳實施形態之側視圖。 Fig. 1 is a side view showing a preferred embodiment of the surface decorative mold of the present invention.

【圖2】表示使用本發明之表面裝飾模具時,射出成形步驟之示意圖。 Fig. 2 is a schematic view showing an injection molding step when the surface decorative mold of the present invention is used.

【圖3】表示使用本發明之旋轉盤,從而讓位於一次側之該射出公模轉至二次側之示意圖。 Fig. 3 is a view showing the use of the rotary disk of the present invention to transfer the injection male mold on the primary side to the secondary side.

【圖4】表示使用本發明之表面裝飾模具時,貼附薄膜步驟之示意圖。 Fig. 4 is a view showing a step of attaching a film when the surface decorative mold of the present invention is used.

【圖5】表示本發明之射出成形機的較佳實施形態之側視圖。 Fig. 5 is a side view showing a preferred embodiment of the injection molding machine of the present invention.

以下,參照圖式對於本發明進行詳細說明。 Hereinafter, the present invention will be described in detail with reference to the drawings.

圖1顯示依據本發明的表面裝飾模具的一較佳實施形態。一表面裝飾模具1,係包含一射出公模11、一第一母模12、一裝飾公模13、一第二母模14以及一旋轉盤15;且第一射出噴嘴2及第二射出噴嘴3係分別靠近於一表面裝飾模具1之一次側17及二次側18。 Figure 1 shows a preferred embodiment of a surface finishing mold in accordance with the present invention. a surface decoration mold 1 comprising an injection male mold 11, a first female mold 12, a decorative male mold 13, a second female mold 14, and a rotating disc 15; and a first injection nozzle 2 and a second injection nozzle The 3 series are respectively adjacent to the primary side 17 and the secondary side 18 of a surface decorative mold 1.

該射出公模11,係在接近與第一母模接觸之內側面上具有真空氣道111,該第一母模12與該射出公模11閉合後,再將原料5射出至該射出公模11及該第一母模12閉合時所形成之第一模腔16使初步成形品4成形。 The injection male mold 11 has a vacuum air passage 111 on an inner side surface in contact with the first female mold. After the first female mold 12 and the injection male mold 11 are closed, the raw material 5 is injected to the injection male mold 11 . And the first cavity 16 formed when the first master 12 is closed causes the preliminary molded article 4 to be formed.

於本說明書中,「一次側17」係指該第一母模所處位置側。 In the present specification, "primary side 17" means the side where the first master is placed.

該裝飾公模13與該射出公模11構造相同,係具有真空氣道131。 The decorative male mold 13 has the same configuration as the injection male mold 11, and has a vacuum air passage 131.

該第二母模14,經由移動可與該裝飾公模13閉合,在與裝飾公模13接觸之面(內表面141)上,係貼附有一薄膜61。此外,該第二母模14在與裝飾公模13接觸之面(內表面141)上,係具有加熱器142及塑性氣道143,其中該加熱器142,係使用於當薄膜61貼附於第二母模14時,使薄膜61預先加熱,同時藉由該塑性氣道143內的負壓使薄膜61貼附於其內表面141上。 The second female mold 14 is closable with the decorative male mold 13 via a movement, and a film 61 is attached to the surface (the inner surface 141) that is in contact with the decorative male mold 13. In addition, the second female mold 14 has a heater 142 and a plastic air passage 143 on the surface (the inner surface 141) that is in contact with the decorative male mold 13, wherein the heater 142 is used when the film 61 is attached to the first In the case of the second master mold 14, the film 61 is preheated while the film 61 is attached to the inner surface 141 by the negative pressure in the plastic air passage 143.

於本說明書中,「二次側18」係指該第二母模14所處位置側。此外,如圖1所示,第二射出噴嘴3係放置於表面裝飾模具1之二次側18的外部。 In the present specification, the "secondary side 18" means the side where the second master mold 14 is located. Further, as shown in FIG. 1, the second injection nozzle 3 is placed outside the secondary side 18 of the surface decorative mold 1.

該旋轉盤15,係與該射出公模11及該裝飾公模13軸接,其可藉由轉動而將位於一次側17之該射出公模11轉至二次側18且使裝飾公模13轉至一次側。 The rotating disk 15 is pivotally coupled to the injection male die 11 and the decorative male die 13 to rotate the injection male die 11 on the primary side 17 to the secondary side 18 and to decorate the male die 13 Go to the primary side.

如圖2所示,當該射出公模11與該第一母模12閉合後,將原料射出於該第一膜腔16中,成形為初步成形品4。 As shown in FIG. 2, after the injection male mold 11 and the first female mold 12 are closed, the raw material is projected into the first film chamber 16 to be formed into the preliminary molded product 4.

如圖3所示,在成形為初步成形品4後,可開模並以該旋轉盤15將初步成形品4移動至二次側18。 As shown in FIG. 3, after being formed into the preliminary molded article 4, the mold can be opened and the preliminary molded article 4 is moved to the secondary side 18 by the rotary disk 15.

如圖4所示,藉由與第二母模14相互閉合,可使吸附於第二母模14上之的薄膜61披覆於初步成形品4上,或者,使薄膜61上之油墨轉印至初步成形品4上。 As shown in FIG. 4, by adhering to the second female mold 14 to close each other, the film 61 adsorbed on the second master mold 14 can be coated on the preliminary molded article 4, or the ink on the film 61 can be transferred. To the preliminary molded article 4.

此外,該初步成形品4移動至二次側18,並與第二母模14相互閉合時,可藉由該射出公模11上之真空氣道111、131抽真空而使該 薄膜61與該初步成形品4貼合,或者,使薄膜61上之油墨轉印至初步成形品4上。 Further, when the preliminary molded product 4 is moved to the secondary side 18 and is closed to the second female mold 14, the vacuum air passages 111, 131 on the male mold 11 can be evacuated. The film 61 is bonded to the preliminary molded article 4, or the ink on the film 61 is transferred onto the preliminary molded article 4.

如圖5所示,該薄膜61係使用薄膜供應器6傳送薄膜61至該第二母模14之內表面141上。 As shown in FIG. 5, the film 61 is conveyed to the inner surface 141 of the second mother die 14 by using a film supply 6 to transport the film 61.

由於係使用薄膜供應器6將薄膜61傳送至該第二母模14之內表面141側,因此薄膜61的提供可不間斷,在具有初步成形品4之該射出公模11與第二母模14閉合時,薄膜61可貼附於初步成形品4上,或係薄膜61上之油墨可轉印製初步成形品4上。 Since the film 61 is conveyed to the inner surface 141 side of the second mother die 14 by using the film supply 6, the film 61 can be provided without interruption, and the injection male die 11 and the second female die 14 having the preliminary molded article 4 are provided. When closed, the film 61 can be attached to the preliminary molded article 4, or the ink on the film 61 can be transferred onto the preliminary molded article 4.

再者,當裝飾公模13轉到一次側時,可當成射出公模使用,步驟與前面所述者相同,亦能產生相同的披覆有薄膜的射出成形品。 Further, when the decorative male mold 13 is turned to the primary side, it can be used as a male mold, and the same steps as described above can also produce the same injection-molded article coated with a film.

如上所述,藉由本發明之表面裝飾模具,可將射出成形品之步驟及表面裝飾薄膜之步驟藉由旋轉盤15之連續轉動可在同一製程中一邊進行射出初步成形品一邊進行表面裝飾薄膜,從而提高生產性,可24小時持續生產射出成形品。 As described above, with the surface decorative mold of the present invention, the step of projecting the molded article and the step of decorating the film can be carried out by continuously rotating the rotary disk 15 to perform the surface decorative film while emitting the preliminary molded article in the same process. Thereby, the productivity is improved, and the injection molded article can be continuously produced for 24 hours.

【產業上利用的可能性】 [The possibility of industrial use]

本發明之表面裝飾模具,可整合射出成形步驟及表面裝飾步驟,使用該表面裝飾模具之射出成形機,可於同一製程進行射出成形及表面裝置,從而可提高射出成形品之生產性。 In the surface decorative mold of the present invention, the injection molding step and the surface decoration step can be integrated, and the injection molding machine using the surface decoration mold can perform the injection molding and the surface device in the same process, thereby improving the productivity of the injection molded article.

在此所使用的用語及說明,係用以說明本發明的實施形態所使用,但本發明並不限定於此。在本發明所揭示且敘述的特徵事項的任何均等物皆不應被排除,且在本發明所請求的範圍內的各種變形亦應被理解為係可被接受的。 The terms and descriptions used herein are for describing embodiments of the invention, but the invention is not limited thereto. It is to be understood that any equivalents of the features disclosed and described herein are not to be construed as limited.

1‧‧‧模具 1‧‧‧Mold

11‧‧‧射出公模 11‧‧‧ shot public model

111‧‧‧真空氣道 111‧‧‧vacuum airway

12‧‧‧第一母模 12‧‧‧ first mother model

13‧‧‧裝飾公模 13‧‧‧Decorative male model

131‧‧‧真空氣道 131‧‧‧vacuum airway

14‧‧‧第二母模 14‧‧‧Second master

141‧‧‧內表面 141‧‧‧ inner surface

142‧‧‧加熱器 142‧‧‧heater

143‧‧‧塑性氣道 143‧‧‧Plastic airway

15‧‧‧旋轉盤 15‧‧‧ rotating disk

17‧‧‧一次側 17‧‧‧One side

18‧‧‧二次側 18‧‧‧second side

2‧‧‧第一射出噴嘴 2‧‧‧First injection nozzle

3‧‧‧第二射出噴嘴 3‧‧‧Second injection nozzle

Claims (7)

一種表面裝飾模具,係使用於雙色射出成形機之模具,其包含:一射出公模,係具有一真空氣道;一第一母模,係位於該雙色射出成形機的一次側,將原料射出至該射出公模及該第一母模閉合時所形成之第一模腔成形為一初步成形品;一裝飾公模,係具有一真空氣道;一第二母模,係位於該雙色射出成形機的二次側,該第二母模經由移動可與該裝飾公模閉合,與該裝飾公模接觸之一內表面上,係貼附有一薄膜,且該第二母模具有塑性氣道及加熱器;以及一旋轉盤,係與該射出公模及該裝飾公模軸接,藉由該旋轉盤的轉動可將位於一次側之該射出公模轉至二次側且位於二次側的該裝飾公模轉至一次側。 A surface decoration mold for use in a mold of a two-color injection molding machine, comprising: a shot male mold having a vacuum air passage; and a first master mold disposed on a primary side of the two-color injection molding machine to eject the raw material to The first mold cavity formed when the injection male mold and the first female mold are closed is formed into a preliminary molded product; a decorative male mold has a vacuum air passage; and a second female mold is located in the two-color injection molding machine. On the secondary side, the second female mold can be closed with the decorative male mold via movement, a film is attached to an inner surface of the decorative male mold, and the second female mold has a plastic air passage and a heater. And a rotating disk, which is coupled to the shooting male mold and the decorative male mold, and the rotating male disk is rotated to rotate the rotary male disk to the secondary side and the decorative side is located on the secondary side. The male model is turned to the primary side. 如申請專利範圍第1項所記載之表面裝飾模具,其中,該初步成形品藉由該旋轉盤移動至二次側,並與第二母模相互閉合時,係藉由該射出公模或裝飾公模上之真空氣道進行抽真空而使該薄膜與該初步成形品貼合形成一射出成形品。 The surface decoration mold according to claim 1, wherein the preliminary molded article is moved by the rotary disk to the secondary side and is closed to the second female die by the male mold or the decoration The vacuum air passage on the male mold is evacuated to bond the film to the preliminary molded product to form an injection molded article. 如申請專利範圍第1項所記載之表面裝飾模具,其中,該薄膜係使用一薄膜供應器傳送薄膜至該第二母模之內表面側;該薄膜貼附於第二母模時,係藉由第二母模上之加熱器以低於塑料原料熔點的溫度預先加熱。 The surface decoration mold according to claim 1, wherein the film is transported to the inner surface side of the second female mold by using a film supply; when the film is attached to the second female mold, The heater on the second master is preheated at a temperature lower than the melting point of the plastic material. 如申請專利範圍第1或2項所記載之表面裝飾模具,其中,該薄膜係以油墨印刷有圖案或文字,且該油墨係熱轉印油墨或熱昇華油墨之任一種。 The surface decorative mold according to claim 1 or 2, wherein the film is printed with a pattern or a character in ink, and the ink is any one of a thermal transfer ink or a thermal sublimation ink. 如申請專利範圍第4項所記載之表面裝飾模具,其中,該油墨可轉印至該初步成形品之表面。 The surface decorative mold according to claim 4, wherein the ink is transferable to the surface of the preliminary molded article. 如申請專利範圍第1或2項所記載之表面裝飾模具,其中,該薄膜之材質係聚碳酸脂或聚乙烯之任一種,且該表面裝飾模具之材質為金屬。 The surface decoration mold according to claim 1 or 2, wherein the material of the film is any one of polycarbonate or polyethylene, and the surface decoration mold is made of metal. 一種射出成形機,係一具有申請專利範圍1~6中任一項所記載之表面裝飾模具的雙色射出成形機。An injection molding machine is a two-color injection molding machine having the surface decoration mold described in any one of claims 1 to 6.
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