TW201422403A - Manufacturing method of soft foam body having leather layer for furniture - Google Patents

Abstract

A manufacturing method of soft foam body having a leather layer for furniture, which comprises a mold, the interior of the mold being formed with a predetermined mold cavity, where the mold cavity corresponds to the shape of the soft foam body. Polyurethane (PU) synthetic leather is then fixed in the mold cavity; and a polyurethane (PU) liquid that can fill up the mold cavity is placed into the mold cavity, so that the polyurethane (PU) liquid is foamed and shaped in the mold cavity and combined with polyurethane (PU) synthetic leather to form a soft foam body having polyurethane (PU) synthetic leather.

Description

Method for manufacturing soft foam of leather layer of home furnishings

The present invention relates to a method for producing a soft foam, and more particularly to a method for producing a soft foam of a leather layer of a home appliance, which can greatly reduce the manufacturing time and cost.

According to the wall decoration, the wall decoration is an important part of the interior decoration. The wall decoration structure is made of wood, cloth, wallpaper or fireproof material, and is cut by the decorating staff according to the required specifications. Then attach or embed it on the wall to complete the beautiful and comfortable wall decoration. However, the conventional wall decoration method has complicated construction procedures and construction time, resulting in an overall construction cost. For example, when the decoration needs to use leather or cloth materials, it is often necessary to fold or pull the leather or cloth, pull the leather or pull the leather, or even use the foam, wood or plywood as the substrate to nail the leather or cloth. Cotton, wood or plywood to present a variety of different lines, adding to the beauty of the wall decoration. Especially in the downturn of the environment, the shrinking of customers' pockets has made it increasingly difficult for the industry to promote its business and feels meager profits. Even if you want to re-decorate the wall in the future, the construction workers still have to spend considerable manpower, material resources and time to dismantle them one by one.

In addition, please refer to the content of the Republic of China Patent Certificate No. M314769 and I320814, which is cut and decorated with a cut a pre-set size and appearance of a dense board or plywood, and a sheet of PVC material or paper of a predetermined thickness, and then using a printing means to form a log pattern on the surface of the PVC material or the paper; and applying pressure and heating means, The PVC material or the paper material on which the surface of the wood grain is printed is closely attached to the bonding surface of the dense board or the plywood, that is, the finished finished plaque having the surface of the log is formed. However, such a decorative board is a hard material, which requires a long production time and is also inferior in hand touch and safety.

Therefore, how to develop and improve the shortcomings of the decorative panels for the above-mentioned conventional wall decoration is the goal that the relevant industry needs to work hard to develop, and the present inventors have in view of this, thinking and creating ideas for many years. The experience of the development and design, the multi-disciplinary discussion and trial sample test, and multiple corrections and improvements, is the introduction of the present invention.

In view of the complicated construction procedures and expensive construction costs of common custom wall decoration, so as to create many practical problems of insecurity, how to develop and design fast-production, improve the decoration cost and soft home decoration board is the most urgent in the industry. The important thing.

The present invention provides a method of manufacturing a soft foam of a leather layer of a home appliance, comprising: a mold having a predetermined molding cavity formed therein, the molding cavity corresponding to the soft foam Shape; fixing a polyurethane (PU) synthetic skin in the molding cavity; and filling the poly cavity in the molding cavity An amine ester (PU) liquid substance is placed in a molding cavity of the mold, so that the polyurethane (PU) liquid substance is foam-molded in the molding cavity, and is combined with the polyurethane (PU) synthetic skin to form a polyurethane. (PU) Soft foam of synthetic skin.

The method of the soft foam of the cortex layer of the invention is simple and the manufacturing time is fast, and the molds of different sizes and shapes are pre-opened, and the size, shape and polyurethane (PU) synthetic skin of the soft foam are simultaneously formed. It has the advantages of quick and simple manufacturing and softness, which can greatly reduce the time and cost of decoration and construction, and can be used in a variety of arrangement and combination as a material for interior decoration.

In order to enable your review committee to have a better understanding and understanding of the purpose, characteristics and efficacy of this creation, please refer to the following [examples of the drawings] for detailed explanations. For details, please refer to the first to fourth figures. As shown, the present invention provides a method of manufacturing a soft foam of a cortical layer of a home appliance as follows:

Step (1), a mold (10), the mold (10) has a mold clamping mold of an upper mold (11) and a lower mold (12), and the mold (11) has a mold (11) and a lower mold (10). 12) can be pivotally connected to each other by one side, and a predetermined molding cavity (20) is formed inside the lower mold (12), and the molding cavity (20) is correspondingly soft. The shape of the foam (30).

Step (2), placing a polyurethane (PU) synthetic skin (40) in the molding cavity (20), since the bottom of the molding cavity (20) of the mold (10) has a plurality of wind holes (13), The air hole (13) penetrates into the accommodating space (14) in the bottom of the mold (10), and is connected to the accommodating space (14) at one end of a hollow air duct (15), and is connected to the mold (10). Externally, therefore, the suction wind can be generated by a suction device, and the amine ester (PU) synthetic skin (40) is slightly oriented via the hollow air duct (15), the accommodation space (14) and the air hole (13). The molding cavity (20) is suctioned and fixed.

Step (3), placing a polyurethane (PU) liquid material (50) which can be filled in the molding cavity (20) into a molding cavity (20) of the mold, wherein the polyurethane (PU) liquid system is The polyether polyol is mixed with diphenylmethane diisocyanate, and the upper mold (11) and the lower mold (12) of the mold (10) are closed, and simultaneously, the air hole (13) The remaining air in the mold (10) is sucked out, so that the molding cavity (20) in the mold (10) is in a vacuum state, and the polyurethane (PU) liquid material (50) is simultaneously foamed in the molding cavity (20). It is molded and bonded to the polyurethane (PU) synthetic skin (40) to form a soft foam (30) having a polyurethane (PU) synthetic skin (40).

Wherein, the mold (10) can be controlled between 30° and 40° Celsius, and the polyurethane (PU) synthetic skin (40) is clamped on the mold (11) above the mold (11) and the lower mold (12). The foaming molding process can be softer, and the fusion surface between the polyurethane (PU) liquid material (50) and the polyurethane (PU) synthetic skin (40) Can be more even.

Further, the molding cavity (20) of the mold (10) can directly form a predetermined pattern or pattern, so that the soft foam of the leather layer of the home appliance after the foam molding can exhibit different aesthetics and appearance.

Step (4), separating the upper mold (11) of the mold (10) from the lower mold (12), and the soft foam (30) having the polyurethane (PU) synthetic skin (40) from the mold (10) And taking out the excess polyurethane (PU) synthetic skin (40) along the periphery of the soft foam (30), that is, completing the production step of the soft foam of the corrugated layer of the furnishings.

Referring to FIGS. 5-8 again, the present invention can also be implemented in another preferred embodiment. When it is required to increase the thickness of the soft foam of the corrugated layer of the furnishings, it is only necessary in step (1). The mold (10) is slightly modified, that is, a frame (16) is disposed between the mold (11) and the lower mold (12) on the mold (10), and the shape of the frame (16) needs to be corresponding to the mold. The top surface of the hole (20) is shaped and the frame (16) can be pivoted on the other side of the lower mold (12) different from the pivoting upper mold (11), so that the polyurethane can be added during the production process. (PU) The thickness of the soft foam (30) of the synthetic skin (40); the remaining steps (2) to (4) are the same as described above and will not be described in detail.

Therefore, by the above-mentioned step method, a soft foam of a cortex layer of a home furnishings can be manufactured, including: a polyurethane (PU) synthetic skin (40); a soft foam (30), which is a poly The ether polyol is mixed and foamed with diphenylmethane diisocyanate; the amine ester (PU) synthetic skin (40) is bonded to the soft foam. (30) The top and periphery.

The above has detailed the relevant positions of the structure, features and combinations of the creations. I believe that the reviewing committee has a certain degree of understanding of the creation. In order to make the purpose, features and effects of the present invention more outstanding, The use case and the expected effect and advantages are as follows: (1) The method of soft foaming of the cortex layer of the home appliance of the invention is simple and the manufacturing time is fast, so as to pre-open the molds of different sizes and shapes, so that The size and shape of the soft foam and the polyurethane (PU) synthetic skin are simultaneously molded, and the utility model has the advantages of quick and simple manufacture and softness, thereby greatly reducing the decoration construction time and cost, and can be used in a plurality of arrangement and combination. To use as a material for upholstery. (2) Since the polyurethane (PU) and the polyether polyol are the same raw materials, the amine ester (PU) synthetic skin (40) and the soft foam (30) can be well combined after being foamed and molded. The advantage of separation. (3) By the method of the present invention, the manufactured soft foam can be applied to a siding, a furniture seat cushion or a floor, etc., and is widely used as a material for interior decoration, since the soft foam of the present invention can be used in advance Open-molded foam molding and mass production, showing different appearances such as square, rectangle, circle, triangle or diamond. With the combination of application, the interior decoration can present different patterns and lines and more diverse. Fashion style.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved creation content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when Compliance with the relevant laws of the Patent Law It is stipulated that, in accordance with the law, a new type of patent application is filed, and the board of directors of the bureau is invited to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

(10)‧‧‧Mold

(20)‧‧‧Forming cavity

(11)‧‧‧上模

(12)‧‧‧

(13) ‧‧‧Wind Hole

(14) ‧‧‧ accommodating space

(15)‧‧‧ hollow duct

(16) ‧‧‧Framework

(30)‧‧‧Soft foam

(40)‧‧‧Polyurethane (PU) synthetic leather

(50)‧‧‧Polyurethane (PU) liquids

Figure 1 is a perspective view of a three-dimensional assembly of the mold of the present invention.

Fig. 2 is a perspective view of the mold of the present invention (opening the upper mold).

Figure 3 is a schematic illustration of the manufacturing steps of the present invention.

Fig. 4 is a perspective sectional view showing a soft foam body having a cortical layer of the present invention.

Figure 5 is a perspective view of a mold assembly of another preferred embodiment of the present invention.

Figure 6 is a perspective view of a mold assembly (opening the upper mold) of another preferred embodiment of the present invention.

Figure 7 is a schematic view of a manufacturing step (with a frame) of another preferred embodiment of the present invention.

Figure 8 is a perspective cross-sectional view showing a soft foam body having a cortical layer according to another preferred embodiment of the present invention.

(10)‧‧‧Mold

(20)‧‧‧Forming cavity

(11)‧‧‧上模

(12)‧‧‧

(13) ‧‧‧Wind Hole

(14) ‧‧‧ accommodating space

(30)‧‧‧Soft foam

(40)‧‧‧Polyurethane (PU) synthetic leather

(50)‧‧‧Polyurethane (PU) liquids

Claims (10)

A method for manufacturing a soft foam of a cortex layer of a home furnishings, comprising: a mold having a predetermined molding cavity formed therein, the molding cavity corresponding to the shape of the soft foam; and the polyurethane ( PU) the synthetic skin is fixed in the molding cavity; and a polyurethane (PU) liquid which can be filled in the molding cavity is placed in the molding cavity of the mold, so that the polyurethane (PU) liquid is formed in the molding cavity. The cavity is foam-molded and combined with the polyurethane (PU) synthetic skin to form a soft foam having a polyurethane (PU) synthetic skin. The method for manufacturing a soft foam of a corrugated layer of a household appliance according to the first aspect of the invention, wherein the mold has a mold clamping mold of an upper mold and a lower mold, and a predetermined molding is formed inside the lower mold. Cavity. The method of manufacturing a soft foam of a cortical layer of a home appliance according to the second aspect of the invention, wherein the upper and lower molds of the mold are pivotally connected to each other by one side. A method of producing a soft foam of a corrugated layer of a home furnishings as described in claim 1, wherein the molding cavity directly forms a predetermined pattern or pattern. The method of manufacturing a soft foam of a cortex layer of a home appliance according to the first aspect of the invention, wherein the mold is controllable between 30° and 40° Celsius. The method for manufacturing a soft foam of a corrugated layer of a household appliance according to claim 1, wherein the bottom of the molding cavity of the mold has a plurality of wind holes, and the wind hole penetrates into the bottom of the mold. Accommodate space and take a hollow wind One end of the tube is connected to the accommodating space, and the hollow air duct is connected to a suction device outside the mold. A method of producing a soft foam of a corrugated layer of a household appliance according to claim 1, wherein the polyurethane (PU) liquid is mixed with a polyether polyol and diphenylmethane diisocyanate. The method for manufacturing a soft foam of a corrugated layer of a home appliance according to the second aspect of the invention, wherein the mold is provided with a frame between the upper mold and the lower mold, the frame shape is correspondingly formed. The shape of the top surface of the cavity. A method of manufacturing a soft foam of a corrugated layer of a home appliance as claimed in claim 8 wherein the frame is pivotally attached to the other side of the lower mold than the pivoting upper mold. A soft foam of a cortex layer of a home decoration appliance, comprising: a polyurethane (PU) synthetic skin; a soft foam, which is formed by mixing and foaming a polyether polyol with diphenylmethane diisocyanate; the amine ester The (PU) synthetic leather system is formed on the top surface and the periphery of the soft foam.