WO2021000059A1 - 纸塑杯盖上成型内凹弧之制造模具、制造方法及成品 - Google Patents
纸塑杯盖上成型内凹弧之制造模具、制造方法及成品 Download PDFInfo
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- WO2021000059A1 WO2021000059A1 PCT/CN2019/000138 CN2019000138W WO2021000059A1 WO 2021000059 A1 WO2021000059 A1 WO 2021000059A1 CN 2019000138 W CN2019000138 W CN 2019000138W WO 2021000059 A1 WO2021000059 A1 WO 2021000059A1
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- vertical wall
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- plastic cup
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
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- the invention relates to a manufacturing mold, a manufacturing method and a finished product for forming an inner concave arc on a paper-plastic cup lid, that is, a manufacturing mold and a manufacturing method that can easily form an inner concave arc, and using the manufacturing mold to implement the manufacturing method
- the prepared paper-plastic cup lid is finished.
- take-away beverage (not limited to coffee, there are also many kinds of beverages) if consumers do not bring their own cups, supermarkets or fast food restaurants will help consumers install them with "take-out paper cups” so that consumers can hold the cups. "Take a paper cup” can be carried and moved and drink at any time. "Takeaway paper cups” are often referred to as “disposable paper cups", “disposable cups” or “disposable paper cups”.
- the conventional take-out paper cup is generally composed of a cup body and a cup lid. The cup body is used to hold the liquid beverage, and the lid is closed on the mouth of the cup body to prevent the liquid beverage in the cup from overflowing. .
- paper-plastic cup lids are made of a mixture of pulp and/or plant fiber materials and made by mold suction shaping and hot pressing technology.
- plastic cup lids paper-plastic products
- paper-plastic cup lids are disposable and easy to handle, materials can be reused, do not cause environmental pollution, and fully meet the requirements of environmental protection and carbon reduction, so they have been valued by governments around the world And recommended by various environmental protection groups.
- a conventional simple paper-plastic cup lid is shown in Figures 1 to 3. It is a paper-plastic cup lid 1 with a top surface 11 in its structure.
- the top surface 11 is provided with a drinking port 111 for convenience Drinking the beverage in the cup, there may be various structures on the top surface 11, but since the various structures on the top surface 11 have nothing to do with the present case, we will not detail the various possibilities on the top surface 11
- the structure; the peripheral edge of the top surface 11 sags in an arc to form a part of the upper wall 12, and the bottom edge of the upper wall 12 expands and sags in a circular arc and is slightly concave inward to form an outer covering edge 13
- the bottom edge of the outer cladding edge 13 is in a state where it is concave, that is, it expands in the opposite direction, thus forming an inner concave arc 14, and then the bottom edge of the inner concave arc 14 deviates outwards into a lifting wall 15 Location.
- FIG. 4 to 5 A conventional nicely paper-plastic cup lid is shown in Figures 4 to 5, which is also a paper-plastic cup lid 1 (parts of the same structure have the same number, the same hereinafter), and the structure also has a top surface 11
- the top surface 11 is also provided with a drinking port 111 to facilitate drinking the beverage in the cup.
- the top surface 11 has a different structure, but it is not related to the discussion in this case, so I will not repeat it;
- the peripheral edge of the top surface 11 sags in an arc to form a part of the upper wall 12, and the bottom edge of the upper wall 12 expands and sags in a circular arc and is slightly concave inward to form a part of an outer covering edge 13.
- the outer covering The bottom edge of the rim 13 is in a state of being concave inward, that is, expanding in the opposite direction, thus forming a portion of an inner concave arc 14, and then the bottom edge of the inner concave arc 14 is deviated outward to form a portion of the lifting wall 15.
- the one-sided cross-sectional view of the paper-plastic cup lid 1 is shown in Figure 7
- the cup lid is the same
- the one-sided cross-sectional view of the paper-plastic cup lid 1 when it is closed on the corresponding cup body 2 is shown in FIG. 8, because the outer ring of the cup mouth of the conventional cup body 2 is a The outer flange 21, so the most ideal relative covering (usage) relationship between the paper-plastic cup lid 1 and the cup body 2 is shown in Figure 8.
- the paper-plastic cup lid 1 can achieve an absolutely tight sealing with the cup body 2 because the paper-plastic cup lid 1 has the functions of the outer covering edge 13 and the inner concave arc 14 , wherein the outer covering edge 13 mainly achieves a tight covering with the outer flange 21 of the cup body 2, and the inner concave arc 14 can be inclined inwardly against the outer flange of the cup body 2. The outer bottom edge of 21 makes it difficult for the paper-plastic cup lid 1 to be lifted upward.
- the paper-plastic cup lid 1 is shown in Figure 6, which is a paper-plastic made after two continuous processes of (a) slurry suction molding and (b) hot pressing molding
- the front finished product of the cup lid as can be seen from Figure 6, the top surface 11, the upper wall 12, the outer cladding 13 and the lift wall 15 have been completely presented, only the part of the inner concave arc 14 has not yet appeared .
- the prior art also has a patent for shaping the "inner concave arc" part (the name is “barb groove”, which has the same function), and then processing to produce the "outer edge” part, such as
- This is the patent of Taiwan TW I542755 and China CN ZL201410151021.3 "Method for manufacturing the outer rim of molded cup lid and finished product”. It uses a set of sliders on the outer mold to advance on the outer surface of the outer cover to be formed, and then a laterally movable forming mold is accommodated in the middle of an inner mold, and the forming mold advances to extrude the The paper-plastic cup cover is prepared to form the inner surface of the outer rim to deform a ring-shaped "outer rim”.
- Taiwanese patent TW I542755 and the Chinese patent CN ZL201410151021.3 are implemented, it is still necessary to prepare a device with a whole set of sliders, which is complicated in operation and maintenance, which makes it difficult to significantly reduce the manufacturing cost.
- the purpose of the present invention is: 1. In view of the importance of forming the "inner concave arc" on the paper-plastic cup lid, it provides a manufacturing mold with a relatively simple structure and composition. 2. Aiming at the importance of forming the "inner concave arc" on the paper-plastic cup lid, a simple manufacturing method is provided. Using the above-mentioned manufacturing mold, and according to the above-mentioned manufacturing method, the finished paper-plastic cup lid is manufactured by rapid processing.
- the present invention specially creates a manufacturing mold for forming an inner concave arc on a paper-plastic cup lid, which is composed of an upper mold part and a lower mold part.
- the bottom surface of the upper mold part is recessed inwardly to form a container.
- a ring half-groove is opened on the ring wall near the bottom surface, which can accommodate a ring of rubber ring, the rubber ring is a flexible elastic body;
- the lower mold part consists of an inner mold body, a The middle mold body and an outer mold body are composed together, wherein the inner mold body has a top surface, the periphery sags in an arc to form an upper wall, and the bottom edge of the upper wall expands outward to form a tip, and then the mold The body is obliquely cut downward and inward for a distance to form an internal assembly inclined wall, and then the internal assembly inclined wall hangs downward to form an internal assembly vertical wall; the center of the intermediate mold body is provided with a large perforation from top to bottom, and the surrounding is a The first middle assembly vertical wall, and then the first middle assembly vertical wall is diagonally cut upwards and outwards by a distance to form a middle assembly inclined wall.
- the inner diameter of the first middle assembly vertical wall corresponds to the outer diameter of the aforementioned inner assembly vertical wall.
- the inclination and diameter of the wall correspond to the inclination and diameter of the above-mentioned inner assembly inclined wall. Therefore, when the inner mold body is filled from top to bottom from the large perforation of the middle mold body, the inner assembly inclined wall Stop against the middle assembling sloping wall, and the inner assembling vertical wall is in close contact with the first middle assembling vertical wall in the process; after completion, the top of the middle assembling sloping wall of the middle mold body is aligned with the tip of the inner mold body, the middle assembly
- the top end of the inclined wall extends outward for a short section and then is recessed downward and inward to form an arc block, so that the tip and the arc block extend adjacently; the innermost bottom end of the arc block forms the most concave point, and then outward Extend an oblique contact surface obliquely downwards, and then hang down to form a
- the inner diameter of the outer assembly vertical wall Corresponding to the outer diameter of the above-mentioned second middle assembly vertical wall, so when the middle mold body is filled from top to bottom from the large perforation of the outer mold body, the second middle assembly vertical wall is in close contact with the outer assembly vertical wall;
- the outer assembly vertical wall is slightly recessed near the top to form a receiving microgroove, and then the top surface becomes an abutting surface, and the receiving microgroove is located at the lowest end of the inclined abutting surface.
- the present invention also seeks a manufacturing method for forming an inner concave arc on a paper-plastic cup lid, which includes a paper-plastic cup lid that has not yet formed an inner concave arc and a manufacturing mold.
- the paper-plastic cup lid that has not yet formed an inner concave arc has A top surface, the peripheral edge of the top surface droops to form an upper wall, the bottom edge of the upper wall expands and sags in a circular arc and is slightly concave inward to form an outer cladding edge, the outer edge of the outer cladding edge hangs downward
- a vertical wall is erected and then deflected outward to form a lift wall;
- the manufacturing mold is composed of an upper mold part and a lower mold part.
- the bottom surface of the upper mold part is recessed inward to form an accommodating space.
- a ring of semi-groove is provided on the bottom surface for accommodating a ring of rubber ring, which is a flexible elastic body;
- the lower mold part consists of an inner mold body, an intermediate mold body and an outer mold
- the inner mold body has a top surface, the peripheral edge sags in an arc to form an upper wall, the bottom edge of the upper wall expands outward to form a tip, and then the mold body is chamfered downward and inward
- An inner assembly inclined wall is formed at a distance, and then an inner assembly vertical wall is formed vertically by the inner assembly inclined wall;
- the middle mold body is provided with a large perforation from top to bottom, and there is a first middle assembly vertical wall around it.
- the first middle assembly vertical wall is obliquely cut upwards and outwards by a distance to form a middle assembly inclined wall.
- the inner diameter of the first middle assembly vertical wall corresponds to the outer diameter of the above-mentioned inner assembly vertical wall.
- the slope and diameter of the middle assembly inclined wall It corresponds to the inclination and diameter of the above-mentioned inner assembly inclined wall.
- the inner assembly inclined wall resists the middle assembly inclined wall Stop, during the process, the inner assembly wall is in close contact with the first middle assembly wall; after completion, the top end of the middle assembly inclined wall of the middle mold body is aligned with the tip of the inner mold body, and the top end of the middle assembly inclined wall faces outward Extend a short section and then be recessed downward and inward to form an arc block, so that the tip and the arc block extend adjacently; the innermost bottom end of the arc block forms the most concave point, and then extends outward and downward obliquely.
- the center of the outer mold body is provided with a large perforation from top to bottom, surrounded by an outer assembly vertical wall, the inner diameter of the outer assembly vertical wall is the same as the above-mentioned second middle assembly vertical wall Corresponding to the outer diameter, so when the middle mold body is filled from top to bottom from the large perforation of the outer mold body, the second middle assembly vertical wall is in close contact with the outer assembly vertical wall; the outer assembly vertical wall is close to the top
- the micro recesses form a receiving microgroove, and then the top surface becomes an abutting surface, and the receiving microgroove is located at the lowest end of the inclined contact surface; the manufacturing method uses the manufacturing device to form a concave arc For paper-plastic cup lids, follow the steps below:
- the present invention also seeks a finished paper-plastic cup lid, which is a paper-plastic cup lid manufactured by using the above-mentioned manufacturing device and implementing the above-mentioned manufacturing method.
- the paper-plastic cup lid has an inner concave arc formed on it.
- the present invention provides a manufacturing mold with a relatively simple structure and composition. Aiming at the importance of processing and forming "inner concave arc" on paper-plastic cup lids, a simple manufacturing method is provided. And using the above-mentioned manufacturing mold, according to the above-mentioned manufacturing method, the finished paper-plastic cup lid is manufactured by rapid processing.
- Figure 1 shows a perspective view of a conventional simple paper-plastic cup lid.
- Figure 2 shows a side view of the conventional simple paper-plastic cup lid.
- Figure 3 is a cross-sectional view of a conventional simple paper-plastic cup lid.
- Figure 4 is a perspective view of a conventional beautifully paper-plastic cup lid.
- Figure 5 shows a side view of the conventional nicely paper-plastic cup lid.
- Fig. 6 is a single-sided cross-sectional view of the conventional paper-plastic cup lid before forming an inner concave arc.
- Fig. 7 is a single-sided cross-sectional view of a conventional paper-plastic cup lid.
- Fig. 8 is a single-sided cross-sectional view of the conventional paper-plastic cup lid and the cup body being relatively closed (used).
- Fig. 9 is an exploded perspective view of most of the manufacturing mold for forming the inner concave arc in the present invention.
- Fig. 10 is a detailed three-dimensional exploded view of the manufacturing mold for forming the inner concave arc in the present invention.
- Figure 11 shows most of the sectional view of the manufacturing mold for forming the inner concave arc in the present invention.
- Figures 12-16 show the continuous action diagrams of the manufacturing method of forming an inner concave arc on the paper-plastic cup lid using the manufacturing mold of the present invention.
- Paper-plastic cup cover 1 Top surface 11 Drinking mouth 111
- the first middle assembly wall 725 The most concave point 726 Inclined surface 727
- Step surface 737 External assembly vertical wall 738 Accepts micro groove 739
- the present invention develops and creates a manufacturing mold for the need to process and form "inner concave arcs" on the paper-plastic cup lids.
- the manufacturing mold created by the present invention is composed of an upper mold part 6 and a lower mold part 7, wherein the bottom surface of the upper mold part 6 is recessed inwardly to form an accommodating space.
- a ring half groove 61 is opened on the ring wall near the bottom surface for accommodating a ring of rubber ring 62.
- the rubber ring 62 is a flexible elastic body, but choose the one with lower elasticity, that is, the rubber ring 62 can be pressed and deformed slightly, but its deformation is not high, and it will move Except for pressing, it immediately returns to its original shape; the rubber ring 62 is accommodated in the half groove 61, so from the bottom surface of the upper mold part 6, you can easily see the existence of the rubber ring 62, and the rubber ring 62 That is, it moves synchronously with the upper mold part 6.
- the lower mold part 7 is composed of an inner mold body 71, an intermediate mold body 72, and an outer mold body 73.
- the inner mold body 71 has a top surface 711, and the periphery sags to form an upper circumference.
- Wall 712, the bottom edge of the upper surrounding wall 712 is expanded outward to form a tip 713, and then the mold body is obliquely cut down and inward for a distance to form an inner assembly inclined wall 714, and then the inner assembly inclined wall 714 hangs downward
- An inner assembly vertical wall 715 is formed.
- a large perforation is opened from the top to the bottom of the middle mold body 72, and a first middle assembly vertical wall 725 is surrounded by the first middle assembly vertical wall 725.
- first middle assembly vertical wall 725 is inclined upward and outward for a distance to form a middle assembly inclined wall 724.
- the inner diameter of the first middle assembly vertical wall 725 corresponds to the outer diameter of the inner assembly vertical wall 715
- the slope and diameter of the middle assembly inclined wall 724 correspond to the inclination and diameter of the inner assembly inclined wall 714, so
- the top end of the middle assembly inclined wall 724 of the middle mold body 72 is exactly aligned with the tip 713 of the inner mold body 71. Assemble the top end of the inclined wall 724 and extend it for a short period of time, and then it is recessed downward and inward to form an arc block 723, so that the tip 713 is adjacent to the arc block 723, and it extends through naturally; the arc
- the innermost bottom end of the block 723 forms a most concave point 726, and then an oblique abutting surface 727 extends obliquely outward and downward, and then hangs downward to form a second middle assembly vertical wall 728.
- the outer mold body 73 is provided with a large perforation from top to bottom in the center, and is surrounded by an outer assembly vertical wall 738.
- the inner diameter of the outer assembly vertical wall 738 corresponds to the outer diameter of the second middle assembly vertical wall 728, so the intermediate mold body 72.
- the outer assembly vertical wall 738 is close to A receiving microgroove 739 is formed slightly inwardly at the top, and then the top surface becomes an abutting surface 736, which is lowered outward to become a step surface 737; after the assembly is completed, the receiving microgroove 739 is located exactly on the inclined surface 727. At the lowest end.
- the upper mold part 6 is driven by external power (such as a power cylinder, not shown in the figure) to raise it to a distance from the lower mold part 7, and then a concave part has not yet been formed.
- the paper-plastic cup cover 1 of the arc 14 is placed in the space laterally, and then as shown in FIG. 13, the paper-plastic cup cover 1 is lowered and covered on the lower mold part 7.
- the dimensions of several parts of the lower mold part 7 must correspond to the dimensions of the corresponding parts of the paper-plastic cup cover 1.
- the corresponding parts in size include:
- the upper mold part 6 is then driven to descend by the external power, and approaches the lower mold part 7, in fact, it is close to the paper-plastic cup lid 1. Then, first the rubber in the upper mold part 6 The ring 62 first abuts the outer covering edge 13 attached to the arc block 723, and then the upper mold part 6 continues to descend. In the process, the outer covering edge 13 is resisted by the arc block 723, forming a relatively strong shape.
- the rubber ring 62 is a flexible elastomer. Therefore, when the upper mold portion 6 continues to descend, the rubber ring 62 will deform itself to flash over the arc block 723 and the outer covering edge 13.
- the rubber ring 62 immediately hits the above-mentioned vertical wall connected between the outer covering edge 13 and the lift wall 15, because in comparison, the strength of the vertical wall is very low
- the apron 62 immediately presses the vertical wall, so that the concave arc 14 begins to be generated.
- the upper mold portion 6 and the lower mold portion 7 can be relatively closer
- the upper mold portion 6 can be driven to drop slightly, or the lower mold portion 7 can be driven to rise slightly, or the upper mold portion 6 can be lowered while the lower mold portion 7 is raised.
- the rubber ring 62 can be slightly deformed inwardly, so as to push the inner concave arc 14 to be more shaped.
- the upper mold part 6 descends to a predetermined height, it stays for a short time, so that the inner concave arc 14 is actually formed.
- the paper-plastic cup lid 1 is made of a mixture of pulp and/or plant fiber materials, and is manufactured by mold suction shaping and hot-pressing shaping technology, it is plastic, so it is deformed and pushed inward by the rubber ring 62 After being pressed for a period of time, the inner concave arc 14 will be shaped and shaped.
- the upper mold part 6 is driven to rise by the external power.
- the rubber ring 62 will still deform itself to flash over the arc block 723 and the outer covering edge 13 and rise, and After restoring, the upper mold part 6 rises to a predetermined height to stay and wait for the next stroke.
- the composition of the upper mold part 6 and the lower mold part 7 is the manufacturing mold created by the present invention. Since no one has disclosed or used a manufacturing mold with the same structure so far, it can be novel and creative. Then, when the manufacturing mold is used, the above-mentioned manufacturing method must be used to rapidly form the structure of the inner concave arc 14 on the paper-plastic cup lid 1. Therefore, the manufacturing method disclosed in the present invention is also novel and creative. Therefore, the paper-plastic cup lid 1 manufactured by using the manufacturing mold and using the manufacturing method is also novel and creative.
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Abstract
一种纸塑杯盖上成型内凹弧之制造模具、制造方法及成品，由所创设的制造模具实行所诉求的制造方法，使尚未成型出内凹弧（14）的纸塑杯盖（1）成型出具有内凹弧（14）的纸塑杯盖（1）成品；该制造模具主要是于内部具有一胶圈（62），进行加工时，带动该胶圈（62）抵于尚未成型出内凹弧（14）的纸塑杯盖（1）侧面，使该纸塑杯盖（1）快速产生出内凹弧（14）的部位。
Description
本发明是关于一种纸塑杯盖上成型内凹弧之制造模具、制造方法及成品，即一种可方便成型出内凹弧的制造模具及制造方法，以及利用该制造模具实行该制造方法所制得的纸塑杯盖成品。
很多人，尤其是上班族，几乎每天都是从品牌连锁商超或快餐店购买一杯咖啡展开一天的工作，没有喝到咖啡，似乎就提不起工作的热忱。此种外带饮料(不限咖啡，尚有多种饮料)若消费者未自备随身杯，则商超或快餐店就会以“外带纸杯”帮消费者装妥，让消费者手持该“外带纸杯”就可以达到携带移动及随时饮用的作用。“外带纸杯”经常也被称呼“一次性纸杯”、“一次性随手杯”或“抛弃式纸杯”等的名称。目前习知的外带纸杯一般是由一杯体及一杯盖所组成，该杯体用以盛装液体饮料，再由该杯盖盖合于该杯体杯口处，以避免杯体内的液体饮料外溢。
目前市面上已有「纸塑杯盖」的物品问世，所谓「纸塑杯盖」是以纸浆及/或植物纤维材质混合为材料，由模具吸浆塑形及热压定型技术制造而成的纸塑产品，「纸塑杯盖」相对于「塑料杯盖」而言，具有抛弃易处理，材料可重复使用，不造成环境污染，完全能符合环保减碳的要求，因此已受各国政府重视及各种环保团体推举使用。
一种习知简便型纸塑杯盖如图1～3所示，其是一纸塑杯盖1，构造上具有一顶面11的部位，该顶面11会开设有一饮口111，以方便饮用杯体内的饮料， 该顶面11上可能会有各种不同结构，但因该顶面11上的各种结构与今本案所讨论无关，故不去详载该顶面11上各种可能的结构；该顶面11的周缘以弧度下垂形成一上围壁12的部位，该上围壁12的底缘外扩复呈圆弧下垂并微向内凹以形成一外覆缘13的部位，该外覆缘13的底缘则呈内凹旋即反向外扩的状态，因此形成一内凹弧14的部位，然后该内凹弧14的底缘向外偏出为一掀壁15的部位。
一种习知精致型纸塑杯盖如图4～5所示，其同是一纸塑杯盖1(属于相同构造的部位采用相同编号，以下同)，构造上同样具有一顶面11的部位，该顶面11同样设有一饮口111，以方便饮用杯体内的饮料，如前所述，该顶面11上具有不同结构，但因与本案所讨论无关，故不多加赘述；然后该顶面11的周缘以弧度下垂形成一上围壁12的部位，该上围壁12的底缘外扩复呈圆弧下垂并微向内凹以形成一外覆缘13的部位，该外覆缘13的底缘则呈内凹旋即反向外扩的状态，因此形成一内凹弧14的部位，然后该内凹弧14的底缘向外偏出为一掀壁15的部位。
不论习知简便型纸塑杯盖或精致型纸塑杯盖皆同，该纸塑杯盖1的单侧剖视图如图7所示(是采简便型纸塑杯盖绘示，精致型纸塑杯盖则同)，而该纸塑杯盖1盖合于相对应的杯体2上的使用状态时的单侧剖视图如图8所示，因习知杯体2的杯口外环呈一外凸缘21，因此该纸塑杯盖1与该杯体2间最理想的相对盖合(使用)关系如图8所示，当将该纸塑杯盖1盖合于该杯体2的杯口上时，起先当然无法完全盖合，故必须先施力使该纸塑杯盖1一侧的外覆缘13尽量包覆到该杯体2上对应部位的外凸缘21，然后进一步更施力使其余的外覆缘13采稍外扩旋即还原的强制性越过其余相对应的外凸缘21，由该外覆缘13 整体将该杯体2的外凸缘21整环都紧密包覆住，此时该纸塑杯盖1的内凹弧14因斜向抵托住该外凸缘21的外侧底缘，所以可以令盖合后的纸塑杯盖1难以被往上掀开，进而加强该外覆缘13与该外凸缘21间的包覆稳固性。换言之，该纸塑杯盖1的所以能与该杯体2达成绝对密封性的盖合，是因为该纸塑杯盖1具有该外覆缘13及该内凹弧14二部位所产生的作用，其中，该外覆缘13主要即与该杯体2的外凸缘21达成紧密包覆性，而该内凹弧14则是可向内斜向抵托于该杯体2的外凸缘21的外侧底缘，令该纸塑杯盖1难以被往上掀开。
图7、8所示的纸塑杯盖1，其中，该内凹弧14的产生是经过一次加工过程(也即本发明所诉求的制造方法)才出现，因此在尚未进行此次加工前，该纸塑杯盖1如图6所示，那是在经由(a)吸浆模进行吸浆塑形及(b)热压模进行热压定型二道连续制程后，所制成的纸塑杯盖前成品，由图6可以看到，该顶面11、该上围壁12、该外覆缘13及该掀壁15诸部位皆已完整呈现，仅该内凹弧14的部位尚未出现。是因吸浆模开模时有方向限制，导致如同外覆缘13与内凹弧14这种连续反向弯弧的部位无法同时出现，因此仅能选择让该外覆缘13及该掀壁15先制得，然后再来经过一次加工过程过程，使得该内凹弧14的部位产生。
习知也有先塑形出该“外覆缘”的部位，然后再加工使该“内凹弧”的部位产生的专利，如中国台湾专利TW I430923及中国专利CN ZL200910157668.6「植物纤维模塑杯盖倒钩槽的制造方法」即是。其是利用一组滑块的成型条抵住纸塑杯盖的表面，内部则由一内模上一环内凹的承接槽对应于预备成型出倒钩槽的处，再推动滑块由外向内前进，使纸塑杯盖的表面随着成型条的轮廓变形而缩入内模的承接槽内，因此而成形出一道环状的“倒钩槽”(作用等同“内凹 弧”的部位)，因中国台湾专利TW I430923及中国专利CN ZL200910157668.6实施时，所具整组滑块的操作及维护较为繁杂，导致垫高制造成本。
除此之外，习知也有先塑形出该“内凹弧”的部位(名称采“倒钩槽”，作用等同)，然后再加工使该“外覆缘”的部位产生的专利，如中国台湾TW I542755及中国CN ZL201410151021.3「模塑杯盖外覆缘制造方法及成品」专利即是。其是利用外模上一组滑块前进于预备成型出外覆缘的外侧表面等待，再由一内模中间容设一可横向移动的成型模，由该成型模前进去自内向外挤压该纸塑杯盖上预备成型出外覆缘处的内侧表面，使变形出一道环状的“外覆缘”。但中国台湾专利TW I542755及中国专利CN ZL201410151021.3实施时，仍须备具整组滑块的装置，在操作及维护上同为繁杂，致使制造成本仍难以大幅降低。
上述问题，显然有待改进。
【发明内容】
本发明的目的是：1、即在针对纸塑杯盖上加工成型“内凹弧”的重要性，提供一种构造组成相对简单的制造模具。2、针对纸塑杯盖上加工成型“内凹弧”的重要性，提供一种可简便达成的制造方法。利用上述制造模具，并依据上述制造方法，以快速加工制得纸塑杯盖成品。
为达成上述目的，本发明特创设一种纸塑杯盖上成型内凹弧的制造模具，由一上模部及一下模部组成，该上模部的底面向内凹入开设形成一容置空间，环壁上于接近底面处开设有一环的半凹槽，可供容置入一环的胶圈，该胶圈为具挠性的弹性体；该下模部由一内模体、一中间模体及一外模体所共同组成，其中，该内模体具有一顶面，周缘以弧度下垂形成一上围壁，该上围壁的底缘呈外扩而形成一尖端，然后模体向下向内斜切一距离形成一内组装斜壁，再由 该内组装斜壁向下垂立形成一内组装立壁；该中间模体中央自上往下开设有一大穿孔，周围即为一第一中组装立壁，然后该第一中组装立壁向上向外斜切一距离形成一中组装斜壁，该第一中组装立壁的内径与上述内组装立壁的外径相对应，该中组装斜壁的斜度及径度则与上述内组装斜壁的斜度及径度相对应，因此该内模体自该中间模体的大穿孔自上往下填置入时于该内组装斜壁抵住该中组装斜壁停止，过程中该内组装立壁与该第一中组装立壁密贴；完成后该中间模体的中组装斜壁的顶端与该内模体的尖端对齐，该中组装斜壁的顶端并向外延伸一小段随即向下向内凹入成型为一弧块，使得该尖端与该弧块相邻延伸；该弧块的最内底端形成一最凹点，再往外往下斜向延伸一斜抵面，然后向下垂立形成一第二中组装立壁；该外模体中央自上往下开设有一大穿孔，周围即为一外组装立壁，该外组装立壁的内径与上述第二中组装立壁的外径相对应，因此该中间模体自该外模体的大穿孔自上往下填置入时，该第二中组装立壁与该外组装立壁密贴；该外组装立壁于接近顶端处微内凹形成一承接微槽，然后顶面成为一顶抵面，该承接微槽则位于上述斜抵面的最低端处。
本发明同时诉求一种纸塑杯盖上成型内凹弧的制造方法，包括一尚未成型出内凹弧的纸塑杯盖及一制造模具，该尚未成型出内凹弧的纸塑杯盖具有一顶面，该顶面的周缘下垂形成一上围壁，该上围壁的底缘外扩复呈圆弧下垂并微向内凹形成一外覆缘，该外覆缘的外缘向下垂立一垂壁后向外偏出为一掀壁；该制造模具由一上模部及一下模部组成，该上模部的底面向内凹入开设形成一容置空间，环壁上于接近底面处开设有一环的半凹槽，可供容置入一环的胶圈，该胶圈为具挠性的弹性体；该下模部由一内模体、一中间模体及一外模体所共同组成，其中，该内模体具有一顶面，周缘以弧度下垂形成一上围壁，该上围 壁的底缘呈外扩而形成一尖端，然后模体向下向内斜切一距离形成一内组装斜壁，再由该内组装斜壁向下垂立形成一内组装立壁；该中间模体中央自上往下开设有一大穿孔，周围即为一第一中组装立壁，然后该第一中组装立壁向上向外斜切一距离形成一中组装斜壁，该第一中组装立壁的内径与上述内组装立壁的外径相对应，该中组装斜壁的斜度及径度则与上述内组装斜壁的斜度及径度相对应，因此该内模体自该中间模体的大穿孔自上往下填置入时于该内组装斜壁抵住该中组装斜壁停止，过程中该内组装立壁与该第一中组装立壁密贴；完成后该中间模体的中组装斜壁的顶端与该内模体的尖端对齐，该中组装斜壁的顶端并向外延伸一小段随即向下向内凹入成型为一弧块，使得该尖端与该弧块相邻延伸；该弧块的最内底端形成一最凹点，再往外往下斜向延伸一斜抵面，然后向下垂立形成一第二中组装立壁；该外模体中央自上往下开设有一大穿孔，周围即为一外组装立壁，该外组装立壁的内径与上述第二中组装立壁的外径相对应，因此该中间模体自该外模体的大穿孔自上往下填置入时，该第二中组装立壁与该外组装立壁密贴；该外组装立壁于接近顶端处微内凹形成一承接微槽，然后顶面成为一顶抵面，该承接微槽则位于上述斜抵面的最低端处；该制造方法即利用该制造装置对该尚未成型出内凹弧的纸塑杯盖，实行如下步骤：
(1).令该上模部移动于该下模部上方，该上模部与该下模部间隔一距离，然后将一尚未成型出内凹弧的纸塑杯盖横向置入该间隔内，并随即将该尚未成型出内凹弧的纸塑杯盖往下罩套于该下模部上；
(2).接着令该上模部下降接近该尚未成型出内凹弧的纸塑杯盖，则首先该上模部内的胶圈会先抵到贴附住该弧块的外覆缘，然后在该上模部继续下降的情况下，该胶圈会变形闪过该弧块及该外覆缘的部位下降；接着该胶圈抵到该 连接于该外覆缘与该掀壁间的垂壁，并立刻推压该垂壁使产生出一内凹弧的部位，且更令该上模部与该下模部间相对靠近，使在该半凹槽侧向斜压及该顶抵面向上顶压的共同作用下，令该胶圈向内变形以推使该内凹弧定型；
(3).令该上模部上升，过程中该胶圈会变形闪过该弧块及该外覆缘的部位上升并随及复原，然后该上模部上升至一预定高度处停留；
(4).将该已成型内凹弧的纸塑杯盖取离该下模部。
本发明同时诉求一种纸塑杯盖成品，是利用上述的制造装置，并实行上述的制造方法所制造出的纸塑杯盖，该纸塑杯盖上已成型出一内凹弧的部位。
本发明优点及有益效果在于：本发明针对纸塑杯盖上加工成型“内凹弧”的重要性，提供一种构造组成相对简单的制造模具。针对纸塑杯盖上加工成型“内凹弧”的重要性，提供一种可简便达成的制造方法。并利用上述制造模具，依据上述制造方法，以快速加工制得纸塑杯盖成品。
图1所示是习知简便型纸塑杯盖的立体图。
图2所示是习知简便型纸塑杯盖的侧视图。
图3所示是习知简便型纸塑杯盖的剖视图。
图4所示是习知精致型纸塑杯盖的立体图。
图5所示是习知精致型纸塑杯盖的侧视图。
图6所示是习知纸塑杯盖未成型出内凹弧前的单侧剖视图。
图7所示是习知纸塑杯盖的单侧剖视图。
图8所示是习知纸塑杯盖与杯体相对盖合(使用)的单侧剖视图。
图9所示是本发明中成型内凹弧的制造模具的大部立体分解图。
图10所示是本发明中成型内凹弧的制造模具的细部立体分解图。
图11所示是本发明中成型内凹弧的制造模具的大部分解剖视图。
图12～16所示是本发明利用该制造模具对纸塑杯盖成型出内凹弧的制造方法连续动作图。
图中标号说明如下：
纸塑杯盖1 顶面11 饮口111
上围壁12 外覆缘13 内凹弧14
掀壁15 上模部6 半凹槽61
胶圈62 底面63 下模部7
内模体71 顶面711 上围壁712
尖端713 内组装斜壁714 内组装立壁715
中间模体72 弧块723 中组装斜壁724
第一中组装立壁725 最凹点726 斜抵面727
第二中组装立壁728 外模体73 顶抵面736
阶面737 外组装立壁738 承接微槽739
本发明为达成快速加工制得纸塑杯盖的目的，针对要在纸塑杯盖上加工成型出“内凹弧”的需求，研发创设一种制造模具。请参阅图9～11所示，本发明所创设的制造模具是由一上模部6及一下模部7组成，其中，该上模部6的底面向内凹入开设形成一容置空间，环壁上于接近底面处开设有一环的半凹槽61，可供容置入一环的胶圈62，该环壁的接近底面处开设该半凹槽61后，所剩的面体即为一环的底面63；该胶圈62为具挠性的弹性体，但是选择弹性度较低 者，亦即该胶圈62是可被压制而稍变形者，然其变形度不高，并于移除压制后随即恢复原形；该胶圈62因容置于该半凹槽61内，故自该上模部6底面观视，轻易即可看到该胶圈62的存在，且该胶圈62即随着该上模部6同步移动。
该下模部7则是由一内模体71、一中间模体72及一外模体73所共同组成，其中，该内模体71具有一顶面711，周缘以弧度下垂形成一上围壁712，该上围壁712的底缘呈外扩而形成一尖端713，然后模体向下向内斜切一距离形成一内组装斜壁714，再由该内组装斜壁714向下垂立形成一内组装立壁715。该中间模体72中央自上往下开设有一大穿孔，周围即为一第一中组装立壁725，然后该第一中组装立壁725向上向外斜切一距离形成一中组装斜壁724，该第一中组装立壁725的内径与上述内组装立壁715的外径相对应，该中组装斜壁724的斜度及径度则与上述内组装斜壁714的斜度及径度相对应，因此该内模体71自该中间模体72的大穿孔自上往下填置入时，将于该内组装斜壁714抵住该中组装斜壁724时停止，且过程中该内组装立壁715与该第一中组装立壁725恰好密贴(如图11所示)；组装完成后，该中间模体72的中组装斜壁724的顶端恰与该内模体71的尖端713对齐，该中组装斜壁724的顶端并向外延伸一小段随即向下向内凹入成型为一弧块723，使得该尖端713与该弧块723相邻，并形同很自然般延伸而过；该弧块723的最内底端形成一最凹点726，再往外往下斜向延伸一斜抵面727，然后向下垂立形成一第二中组装立壁728。
该外模体73中央自上往下开设有一大穿孔，周围即为一外组装立壁738，该外组装立壁738的内径与上述第二中组装立壁728的外径相对应，因此该中间模体72自该外模体73的大穿孔自上往下填置入时，该第二中组装立壁728与该外组装立壁738恰好密贴(如图11所示)；该外组装立壁738于接近顶端处 微内凹形成一承接微槽739，然后顶面成为一顶抵面736，向外则低下而成为一阶面737；组装完成后，该承接微槽739恰位于上述斜抵面727的最低端处。
该内模体71、中间模体72及外模体73三者稳固组装完成后即成为该下模部7，然后可被稳固性摆置于一平台上，再与该上模部6共同用于在纸塑杯盖1上加工成型出一环内凹弧14的制造过程，因此衍生出一种制造方法。请依序参阅图12～16所示，本发明所诉求的制造方法是经过如下步骤：
1.如图12所示，首先该上模部6被外加动力(例如动力缸体，未示于图)带动上升，以与该下模部7间隔一距离，然后将一尚未成型出内凹弧14的纸塑杯盖1横向置入该间隔内，并随即如图13所示，将该纸塑杯盖1往下罩套于该下模部7上。于此必须一提的是，因制造上的需要，该下模部7上若干部位的尺寸必须与该纸塑杯盖1上相对应部位的尺寸有对应关系，以图13为例来说，尺寸上具有对应关系的部位计有：
(1).顶面11与顶面711间具尺寸对应关系；
(2).上围壁12与上围壁712间具尺寸对应关系；
(3).外覆缘13与尖端713及弧块723二者的组合间具尺寸对应关系；
(4).掀壁15与斜抵面727及与承接微槽739间皆具尺寸对应关系；
所以当该纸塑杯盖1往下罩套于该下模部7上时，从图13可以看到，该纸塑杯盖1的顶面11贴附于该下模部7的顶面711上，同时该纸塑杯盖1的上围壁12贴附住该下模部7的上围壁712，及该纸塑杯盖1的外覆缘13贴附住该下模部7的尖端713及弧块723二者，以及该纸塑杯盖1的掀壁15贴附住该下模部7的斜抵面727，并且该掀壁15的底端恰插置进入该承接微槽739停留，此时由图13也可以看到，因该纸塑杯盖1尚未成型出内凹弧14，所以在该纸 塑杯盖1上由该外覆缘13到该掀壁15之间是连接一垂壁，亦即该垂壁与该最凹点726间存在一空间。
2.如图14所示，接着令该上模部6被外加动力带动下降，并接近该下模部7，其实也即接近该纸塑杯盖1，则首先该上模部6内的胶圈62会先抵到贴附住该弧块723的外覆缘13，然后该上模部6继续下降，过程中因为该外覆缘13受到该弧块723抵顶住，形成较为强固状，而该胶圈62则为具挠性的弹性体，因此在该上模部6继续下降的情况下，该胶圈62会自我变形以闪过该弧块723及该外覆缘13的部位而下降，并且随及复原；接着该胶圈62迅即抵到上述所提及连接于该外覆缘13与该掀壁15间的垂壁，因相较之下，该垂壁的强固性甚低于该胶圈62，所以该胶圈62立刻推压该垂壁，使开始产生出内凹弧14的部位来，此时更可令该上模部6与该下模部7间相对更靠近些微，例如：可令该上模部6被带动下降些微，或令该下模部7被带动上升些微，或者是令该上模部6下降同时该下模部7上升皆可，则由该半凹槽61侧向斜压及该顶抵面736向上顶压的共同作用下，可令该胶圈62向内微量变形，以推使该内凹弧14更为成形，过程中更令该上模部6下降至预定高度时停留一短暂时间，以令该内凹弧14确实成形。因该纸塑杯盖1是以纸浆及/或植物纤维材质混合为材料，并由模具吸浆塑形及热压定型技术制造而成，故具可塑性，因此经由该胶圈62向内变形推压一段时间后，该内凹弧14即会成形并定型。
3.如图15所示，令该上模部6被外加动力带动上升，过程中，该胶圈62仍会自我变形以闪过该弧块723及该外覆缘13的部位而上升，并且随及复原，然后该上模部6即上升至一预定高度处停留，等待下一行程。
4.如图16所示，将该纸塑杯盖1取离该下模部7，即完成一次加工制造过 程。至于在取离该纸塑杯盖1的动作过程中，因为该纸塑杯盖1上已经成形有该内凹弧14的结构，所以该纸塑杯盖1被向上取离时，不论是直向取离或斜向取离，该内凹弧14都会受到该弧块723所阻挡，但因该纸塑杯盖1具可偏折性，所以只要稍加倾斜或弯折即可闪过该弧块723，以利取离，并且该纸塑杯盖1能随即复原。至于将该纸塑杯盖1取离该下模部7的动作，可由人工手动直接取离或者由机械手臂自动取离。
根据以上所揭示，该上模部6与该下模部7的组成即是本发明所创设的制造模具，因迄今尚无人揭示或运用相同构造的制造模具，所以能具新颖性及创造性。然后采用该制造模具即必须运用上述制造方法，方得以快速加工成形出该纸塑杯盖1上内凹弧14的结构，因此本发明所揭示的制造方法同样具备新颖性及创造性。从而采用该制造模具并运用该制造方法所加工制得的纸塑杯盖1同样具备新颖性及创造性。
Claims (3)
- 一种纸塑杯盖上成型内凹弧的制造模具，其特征在于，由一上模部及一下模部组成，该上模部的底面向内凹入开设形成一容置空间，环壁上于接近底面处开设有一环的半凹槽，供容置入一环的胶圈，该胶圈为具挠性的弹性体；该下模部由一内模体、一中间模体及一外模体所共同组成，其中，该内模体具有一顶面，周缘以弧度下垂形成一上围壁，该上围壁的底缘呈外扩而形成一尖端，然后模体向下向内斜切一距离形成一内组装斜壁，再由该内组装斜壁向下垂立形成一内组装立壁；该中间模体中央自上往下开设有一大穿孔，周围即为一第一中组装立壁，然后该第一中组装立壁向上向外斜切一距离形成一中组装斜壁，该第一中组装立壁的内径与上述内组装立壁的外径相对应，该中组装斜壁的斜度及径度则与上述内组装斜壁的斜度及径度相对应，因此该内模体自该中间模体的大穿孔自上往下填置入时于该内组装斜壁抵住该中组装斜壁停止，过程中该内组装立壁与该第一中组装立壁密贴；完成后该中间模体的中组装斜壁的顶端与该内模体的尖端对齐，该中组装斜壁的顶端并向外延伸一小段随即向下向内凹入成型为一弧块，使得该尖端与该弧块相邻延伸；该弧块的最内底端形成一最凹点，再往外往下斜向延伸一斜抵面，然后向下垂立形成一第二中组装立壁；该外模体中央自上往下开设有一大穿孔，周围即为一外组装立壁，该外组装立壁的内径与上述第二中组装立壁的外径相对应，因此该中间模体自该外模体的大穿孔自上往下填置入时，该第二中组装立壁与该外组装立壁密贴；该外组装立壁于接近顶端处微内凹形成一承接微槽，然后顶面成为一顶抵面，该承接微槽则位于上述斜抵面的最低端处。
- 一种纸塑杯盖上成型内凹弧的制造方法，其特征在于：包括一尚未成型出内凹弧的纸塑杯盖及一制造模具，该尚未成型出内凹弧的纸塑杯盖具有一顶面，该顶面的周缘下垂形成一上围壁，该上围壁的底缘外扩复呈圆弧下垂并微向内凹形成一外覆缘，该外覆缘的外缘向下垂立一垂壁后向外偏出为一掀壁；该制造模具由一上模部及一下模部组成，该上模部的底面向内凹入开设形成一容置空间，环壁上于接近底面处开设有一环的半凹槽，可供容置入一环的胶圈，该胶圈为具挠性的弹性体；该下模部由一内模体、一中间模体及一外模体所共同组成，其中，该内模体具有一顶面，周缘以弧度下垂形成一上围壁，该上围壁的底缘呈外扩而形成一尖端，然后模体向下向内斜切一距离形成一内组装斜壁，再由该内组装斜壁向下垂立形成一内组装立壁；该中间模体中央自上往下开设有一大穿孔，周围即为一第一中组装立壁，然后该第一中组装立壁向上向外斜切一距离形成一中组装斜壁，该第一中组装立壁的内径与上述内组装立壁的外径相对应，该中组装斜壁的斜度及径度则与上述内组装斜壁的斜度及径度相对应，因此该内模体自该中间模体的大穿孔自上往下填置入时于该内组装斜壁抵住该中组装斜壁停止，过程中该内组装立壁与该第一中组装立壁密贴；完成后该中间模体的中组装斜壁的顶端与该内模体的尖端对齐，该中组装斜壁的顶端并向外延伸一小段随即向下向内凹入成型为一弧块，使得该尖端与该弧块相邻延伸；该弧块的最内底端形成一最凹点，再往外往下斜向延伸一斜抵面，然后向下垂立形成一第二中组装立壁；该外模体中央自上往下开设有一大穿孔，周围即为一外组装立壁，该外组装立壁的内径与上述第二中组装立壁的外径相对应，因此该中间模体自该外模体的大穿孔自上往下填置入时，该第二中组装立壁与该外组装立壁密贴；该外组装立壁于接近顶端处微内凹形成一 承接微槽，然后顶面成为一顶抵面，该承接微槽则位于上述斜抵面的最低端处；该制造方法即利用该制造装置对该尚未成型出内凹弧的纸塑杯盖，实行如下步骤：(1).令该上模部移动于该下模部上方，该上模部与该下模部间隔一距离，然后将一尚未成型出内凹弧的纸塑杯盖横向置入该间隔内，并随即将该尚未成型出内凹弧的纸塑杯盖往下罩套于该下模部上；(2).接着令该上模部下降接近该尚未成型出内凹弧的纸塑杯盖，则首先该上模部内的胶圈会先抵到贴附住该弧块的外覆缘，然后在该上模部继续下降的情况下，该胶圈会变形闪过该弧块及该外覆缘的部位下降；接着该胶圈抵到该连接于该外覆缘与该掀壁间的垂壁，并立刻推压该垂壁使产生出一内凹弧的部位，且更令该上模部与该下模部间相对靠近，使在该半凹槽侧向斜压及该顶抵面向上顶压的共同作用下，令该胶圈向内变形以推使该内凹弧定型；(3).令该上模部上升，过程中该胶圈会变形闪过该弧块及该外覆缘的部位上升并随及复原，然后该上模部上升至一预定高度处停留；(4).将该已成型内凹弧的纸塑杯盖取离该下模部。
- 一种纸塑杯盖成品，是利用权利要求1所述的制造装置，及权利要求2所述的制造方法所制造出的纸塑杯盖，其特征在于：该纸塑杯盖上已成型出一内凹弧的部位。
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