RU2555019C1 - Additional unit for auxiliary extruding of window profile and unit for its fabfication where it is used - Google Patents

Abstract

FIELD: construction.SUBSTANCE: unit contains the main extruder which compresses and transports the melted pitch material, a head releasing the pitch material as a profile with pre-set shape, and an additional unit for auxiliary extruding which squeezes and transports the pitch composition for auxiliary extruding to one side of the head for formation of a surface layer on the profile surface. The novice is that the head has the space for compression which receives the pitch composition for auxiliary extruding added from the additional unit for auxiliary extruding, squeezes and supplies it on the profile surface, and the space for compression is fitted with pass guide, dividing the flow of pitch composition for auxiliary extruding. The additional unit contains a connector for change of the direction of the movement of pitch composition for auxiliary extruding and a curved section which smoothly changes the direction of movement of pitch composition, and the internal diameter of the connector formed between the inlet hole and the outlet hole of the connector, and the inner diameter of the connector becomes narrower from the inlet opening towards the outlet opening so the speed of movement and pressure of pitch composition are increased.EFFECT: ensuring of improved pass in the additional unit of pitch composition and prevention of its carbonization, and also prevention of overconsumption of energy when transporting the pitch composition.6 cl, 15 dwg

Description

The present invention relates to a plant for manufacturing a window profile having a natural wood texture using auxiliary extrusion (coextrusion) technology, in particular to a form of an auxiliary plant for extrusion extrusion for double extrusion, which is equipped in a plant for manufacturing a window profile, so that the resin composition containing wood fibers was double extruded on one side, and embossing was formed on it, thus providing I have pictures with the texture of natural wood.

During the extrusion process for the manufacture of a traditional window profile, as shown in FIG. 1, if a briquette or composite material of thermoplastic resin is introduced into the extruder 1 through the hopper 2, the material is heated by a heater located in the heating cylinder of the extruder 1, so as to melt to a gel state, it is transported by rotating the screw screw and then extruded through a die 3 located at the front end of the extruder 1. And the molten resin extruded through the hollow Ku 3, to have a desired shape, passes through the calibrator and cooling unit 5.

The calibrator 4 allows the profile P, passing through the head 3, to maintain its appearance and have accurate dimensions and shapes. Thus, it is preferable that the calibrator 4 is located near the head 3 so that the profile passing through the head 3 could enter the calibrator 4 without deforming its shape. The product passing through the calibrator 4 is cooled using a cooling device 5, is pulled with a certain force through the traction device 6 and then cut to the desired size using a cutting device. Thus, the window profile product is preliminarily completed.

And in order to provide various textures and patterns on the upper or side surface of the window profile facing outward during installation, a decorative film (sheet) made of synthetic resin is attached to it so as to provide a wood texture, thereby improving the appearance of the window profile.

However, to attach a single film or sheet to an extruded window profile, it is necessary that the extruded window profile is transported to a separate plate on which the wrapping unit is equipped, loaded into it, and then processed using a separate process. Thus, this presents a disadvantage in terms of efficiency and manufacturing cost, and also when scratches form on it after transportation, processing and installation, these scratches are difficult to restore. Moreover, since glue is used during the wrapping process, this adversely affects the health of the user or employee.

To overcome these problems, a double extrusion method (auxiliary extrusion / coextrusion) has been proposed in which the window profile is double extruded. In double extrusion, as described above, the profile is extruded using an extruder so as to have the desired shape, and then another raw material, such as PVC, is further extruded onto one side of the profile using an additional auxiliary extrusion unit.

However, even in this case, there are some disadvantages and problems in that the appearance of the profile on which PVC or a similar material is applied is unnatural, and the appearance is impaired due to a change in the color of the surface of the profile created by the PVC pigment.

To enhance the graphic surface of the profile, an embossing roller (not shown) is located between the head 3 and the calibrator 4 to form the surface of the embossing roller on the profile surface. However, as described above, since the calibrator 4 should be located near the head, there is a limitation in the diameter and circumference of the embossing roller located between them. As a result, the repetition period of patterns that are re-formed on the surface of the profile becomes short, and thus, the graphics deteriorate.

An object of the present invention is to improve the passage in an auxiliary installation for auxiliary extrusion for forming a surface layer, which is equipped in an installation for manufacturing a window profile, which can create a natural wood texture and, thus, an excellent appearance.

To achieve the above objective, the present invention provides an additional auxiliary extrusion apparatus 100 for a window profile in which the auxiliary extrusion resin is compressed and transported to one side of the head 30 so as to form a surface layer S on the surface of the profile P when the resin material for forming the profile P melts in the main extruder 10 and then is compressed and fed into the head, characterized in that the additional installation for auxiliary extruded I includes a connector 110 for vertical movement direction replacing the resin composition for extruding and auxiliary curved portion 113, 114 which smoothly changes the direction of advancement of the resin composition, is formed between the inlet 111 and the outlet 112 of the connector.

Moreover, the present invention provides an installation for manufacturing a window profile comprising a main extruder 10 that compresses and conveys molten resin material, a head 30 that releases resin material in the form of a profile having a certain shape, and an additional auxiliary extrusion apparatus 100 that compresses and transports the resin composition for auxiliary extrusion to one side of the head so as to form a surface layer S on the surface of the profile, I am satisfied that the head 30 has a compression space 38, receiving a resin composition for auxiliary extrusion, introduced from the auxiliary installation for auxiliary extrusion, and compressing and applying it to the profile surface, while the compression space 38 is equipped with a flow guide 39 that divides the stream resin composition for auxiliary extrusion.

Preferably, the flow guide of the compression space 38 is located along the direction of movement of the resin composition for auxiliary extrusion, and the additional installation for auxiliary extrusion comprises a connector for vertically changing the direction of movement of the resin composition for auxiliary extrusion, and a curved portion 113, 114 that smoothly changes the direction of movement of the resin a composition formed between the inlet 111 and the outlet 112 of the connector.

Preferably, the installation further includes a calibrator 70 that maintains the appearance of the profile released from the head, and a cooling device 90 that cools the profile passing through the calibrator. And the resin composition for auxiliary extrusion contains wood fibers.

In accordance with the present invention, as described above, the surface layer is formed integrally with one side of the profile by auxiliary extrusion, and thus it is possible to provide the texture of natural wood and, therefore, an excellent appearance. Moreover, since the present invention provides an improved passage in an auxiliary installation for auxiliary extrusion to prevent carbonization of the resin composition therein, as well as to prevent excessive energy consumption during transportation of the resin composition, it is possible to improve the graphics of the patterns formed on the surface layer of the profile.

The above and other objects, features and advantages of the present invention will become apparent from the following description of preferred embodiments given with reference to the accompanying drawings, in which:

Figure 1 depicts a schematic view of an installation for the manufacture of a traditional window profile;

Figure 2 depicts a schematic view of an installation for manufacturing a window profile in accordance with one embodiment of the present invention;

Figure 3 depicts a view in cross section of a profile made by auxiliary extrusion in accordance with the present invention;

Figure 4 depicts a schematic view of a profile made using the installation in accordance with the present invention;

5 is a perspective view of an embossing roller in accordance with the present invention;

6 depicts a cross-sectional view of an embossing roller and an enlarged surface view of an embossing roller in accordance with the present invention;

7 depicts a cross-sectional view of a conventional embossing roller and an enlarged surface view of a traditional embossing roller;

Fig. 8 is a view of an auxiliary extrusion apparatus for manufacturing a window profile in accordance with the present invention, shown in a different direction than in Fig. 2;

Fig.9 depicts a cross-sectional view of the head and embossing roller of Fig.8;

Figure 10 depicts a perspective view of the disk cooling device in the installation for auxiliary extrusion in accordance with the present invention;

11 is a cross-sectional view of a connector of an auxiliary extrusion apparatus in an auxiliary extrusion apparatus in accordance with the present invention;

12 is a cross-sectional view of a conventional connector;

FIG. 13 is a view showing patterns formed on a profile by an auxiliary extrusion apparatus; FIG.

14 is a view showing the patterns formed on the profile by the auxiliary extrusion apparatus in accordance with the present invention;

Fig. 15 is a view of a real product made by an auxiliary extrusion apparatus in accordance with the present invention.

Embodiments of the present invention will be described in detail below.

Figure 2 is a schematic view of a plant for manufacturing a window profile in accordance with one embodiment of the present invention. With reference to FIG. 2, if a briquette or composite material of a thermoplastic resin, for example polystyrene (PS), polyethylene (PE), polypropylene (PS), polyvinyl chloride (PVC) and ABS plastic, is introduced into the main extruder 10 through the hopper 20 , the material is heated using a heater located in the main extruder 10, so as to melt to a gel-like state, and transported by rotating the worm screw. After that, the profile P, having the desired shape, is extruded through a die 30 located on the front side of the main extruder 10 and passes through a calibrator 70, 80 and a cooling device 90, and then a traction device 99 and a cutting device that are similar to the prior art, and therefore, their detailed description will be omitted.

Preferably, the calibrator 70 is located near the head so that the profile passing through the head can enter the calibrator 70 without deforming its shape, and the surface of the profile P is cooled before the profile P enters the calibrator 70. If the profile P is immediately inserted into calibrator without cooling its surface, a problem may arise that embossed patterns formed on the surface of the profile will erase and disappear due to friction of the surface between the molded resin of the profile and the inner metal m of calibrator. Therefore, it is preferable to use air as a cooling medium. That is, in the device for cooling the surface, air is uniformly supplied to the profile so that the surface of the profile is rapidly cooled.

An auxiliary extrusion apparatus in accordance with the present invention includes an additional auxiliary extrusion apparatus 100. Figure 3 depicts the head 30 and the auxiliary installation 100 for auxiliary extrusion in accordance with the present invention. The head 30 includes a main extruding head 30a and an auxiliary extruding head 30b. The main extruding head 30a is designed to extrude the resin introduced through the hopper 20 and molten to a gel state, so as to give it a certain shape. The auxiliary extruding head 30b is located on the front side of the main extruding head 30a and is intended to form a surface layer (with reference to position S of FIG. 4) on one side of the profile passing through the main extruding head 30a. To this end, the auxiliary extrusion resin is supplied from the auxiliary auxiliary extrusion unit 100 and injected into the upper portion of the auxiliary extrusion head 30b. In other words, the auxiliary extrusion resin supplied from the auxiliary auxiliary extrusion apparatus 100 is connected to the side of the profile passing through the main extruding head 30a so as to form a surface layer S, and then passing through the auxiliary extruding head 30b.

Figure 4 depicts a cross-sectional view of a profile made by auxiliary extrusion in accordance with the present invention. The surface layer S is made integrally with the surface of the window profile P by means of auxiliary extrusion. The drawing shows that the surface layer is made on the upper surface and both sides of the profile. However, the present invention is not limited to the formation of a surface layer. If necessary, a surface layer may be formed on part of the upper surface or on all surfaces of the profile.

By forming the surface layer by auxiliary extrusion, it is possible to provide different colors using different materials for the surface layer. Since a material different from the profile material is formed integrally with the profile during auxiliary extrusion, subsequent processing, such as sheet fastening, is not required after the profile is manufactured. You can also reduce production costs and increase product life. Moreover, since no glue is used, the product is safe for the environment, and also has the advantage of scratching.

In accordance with the present invention, the resin composition for auxiliary extrusion, forming the surface layer S, contains wood fibers, thereby improving the texture of natural wood and therefore its graphicality.

The auxiliary extrusion resin composition includes a first raw material for forming a base color, a second raw material for forming a halftone color, and a third raw material for forming a high tone color.

In the present invention, the first raw material as the main material is characterized in that it contains wood fibers so that the surface layer of the profile has the texture of natural wood. The first raw material consists of 70% PVC, 10 to 15% lump coal, 15 to 20% wood fibers, a small amount of inorganic pigment with excellent resistance to weathering, a small amount of additive for resistance to weathering, etc. .

The second raw material for halftone color formation consists of a resin, such as highly polymerized PVC, NAC (acrylonitrile), PMMA (polymethyl acrylate) and PE (polyethylene), which has a higher melting point than the first raw material (base material), a small amount of inorganic a halftone pigment having excellent weathering resistance, a small amount of an additive such as a lubricant, etc.

The third raw material for forming a high tone color consists of a resin such as highly polymerized PVC, NAC (acrylonitrile), PMMA (polymethyl acrylate) and PE (polyethylene), which has a higher melting point than the first raw material (base material), a small amount high-tone inorganic pigment with excellent weathering resistance, a small amount of an additive such as a lubricant, etc.

In accordance with the present invention, the first, second and third raw materials are not mixed to form a single color. But in the state where the surface layer is formed on the profile, the second and third raw materials respectively show a halftone color and a high tone color on the first raw material as the main material so that each color can be distinguished from the other, thereby providing natural colors with excellent graphics.

In order that the colors of the resin compositions can be distinguished from each other, the first raw material has a melting point of 160 to 165 ° C, the second raw material has a melting point of 175 to 185 ° C, and the third raw material has a melting point of 175 to 185 ° C.

The auxiliary auxiliary extrusion unit 100 is designed to heat the resin compositions for auxiliary extrusion and then compress them and direct them to the auxiliary extruding head 30b. If the melting points of the resin compositions are all the same, all resin compositions will melt and mix with each other in the auxiliary extrusion apparatus 100, and thus, each of the colors will be indistinguishable from the other, and they will all change to the same color. Therefore, to prevent this phenomenon, each melting point is different from the other. In other words, when the inner portion of the auxiliary auxiliary extrusion apparatus 100 is heated to about 160-180 ° C., the base material having the smallest melting point is first melted to a gel state, the second and third raw materials are partially melted and then discharged into the auxiliary extrusion head. In this process, a second raw material having a halftone color and a third raw material having a high tone color form natural patterns on the base material.

Moreover, the auxiliary extrusion resin compositions may further comprise an anionic powder, an air freshener or the like in order to radiate anions into the room, thereby providing an environment like a forest or emitting natural aromas, like the smell of a phytoncide.

5 is a perspective view of an embossing roller 50 in accordance with the present invention, and FIGS. 6a and 6b are a cross-sectional view and an enlarged view of an embossing roller 50 in accordance with the present invention.

The embossing roller 50 according to the present invention has a larger diameter than the traditional embossing roller, and the patterns are formed in two steps so as to ensure perfect uniformity of the patterns, thereby enhancing the graphic appearance and sense of size. A rotatable embossing roller 50 is mounted on the rotary shaft 51, and uneven patterns are formed on its surface. That is, as shown in FIG. 6a, two-stage uneven patterns are formed on the surface of the embossing roller 50. In other words, the embossing roller 50 includes a first protrusion 53 made relatively larger, and a second protrusion 55 made relatively smaller relative to the first protrusion 53. The first and second protrusions 53 and 55 have an uneven and general shape, and a random shape (traditional roller for embossing, shown in FIGS. 7a and 7b has simple patterns simply located at a uniform depth, and thus their graphicality deteriorates). The depth D of the first protrusion 53 is greater than the depth d of the protrusion formed on the traditional embossing roller, thereby increasing the graphic design.

The embossing roller 50 of the present invention has a large diameter RD as well as a large protrusion. If the diameter of the embossing roller increases, the circumference of the surface of the embossing roller also increases, and also the length of the embossed pattern formed along the profile surface becomes longer. Thus, the repetition period of patterns formed on the profile becomes short, thus increasing the graphics of the patterns.

However, the diameter of the embossing roller 50 located between the head 30 and the calibrator 70 is limited due to the limited space between the head 30 and the calibrator 70, as described above. To solve this problem, the present invention provides a new form, as shown in Fig.8 and 9.

Fig. 8 depicts a part of an auxiliary extrusion apparatus for manufacturing a window profile in accordance with the present invention, shown from a different direction than in Fig. 2 when the auxiliary extrusion apparatus is omitted, and Fig. 9 is a cross-sectional view of a head 30 and embossing roller 50 of FIG. 8.

With reference to FIGS. 8 and 9, in the space G between the head 30 and the calibrator 70, the lower space G1 is relatively small, but the upper space G2 is relatively large in order to set the embossing roller 50. And the surface of the head 30 on which the embossing roller 50 is located is rounded so as to have a recessed portion 35, and thus, sufficient space can be provided in which an embossing roller 50 with a larger diameter can be mounted. That is, a curved portion 35 corresponding to the outer perimeter of the embossing roller 50 is formed on the surface of the head 30 from which the profile P emerges. Thus, even though the diameter RD of the embossing roller 50 becomes larger than that of a conventional embossing roller , it is possible to install embossing roller 50 without excessively increasing the space between the head and the calibrator. Although the semicircular recessed portion is shown in the drawing, the present invention is not limited to this shape, and if necessary, it is possible to provide different shapes of the recessed portion, for example, the shape of a circular arch having a central angle of 90 °.

With reference to Fig. 8, the calibrator 70, 80 may include a dry calibrator 70 and a water calibrator 80 or one of them. In the cooling device 90, a plurality of hollow discs 93 are arranged in the direction of movement of the profile in the water tank so that the profile passing through them can be cooled without deforming the shape of the profile.

Figure 10 depicts one of the disks of the cooling device 90 in accordance with the present invention. The disk 93 has a shape hollow in the central portion so that profile P can pass through it, and the roller 95 is located on the upper portion of the hollow portion of the disk 93. The rotational shaft of the roller 95 is attached to the upper portion of the disk 93, and the roller 95 rotates while in contact with the profile passing through it. A surface layer S is formed on the upper surface of the profile P by auxiliary extrusion, and embossed patterns are formed on it using the embossing roller 50.

In a conventional cooling device, since it is not equipped with a roller 95 in accordance with the present invention, the upper surface of the hollow portion of the disk is in contact with the profile passing through it, and as a result, the embossed patterns formed on the upper surface of the profile may be damaged.

In accordance with the present invention, since the rotary roller is equipped in the proper position on the disk and is in contact with the upper surface of the profile, the traditional surface contact with the profile is changed into linear contact with it, and thus, damage to the embossed patterns formed on the upper surface of the profile is prevented.

In the present invention, as shown in FIG. 3, the surface layer is further extruded onto the upper surface of the profile using an additional auxiliary extrusion apparatus 100. An additional auxiliary extrusion installation 100 having an improved passage can be achieved by improving the traditional auxiliary extrusion installation, which is used for the auxiliary extrusion of PVC or other materials in a traditional production installation.

In the auxiliary auxiliary extrusion unit 100 according to the present invention, the auxiliary extrusion resin composition is compressed to a certain and constant pressure and supplied to the upper portion of the auxiliary extrusion head 30b so that the surface layer S is formed on the surface of the profile P. As shown in the drawing, the resin the composition for auxiliary extrusion is transported horizontally, rotated approximately 90 degrees and then transported again tikalno to be introduced into the upper portion of the auxiliary extruding head 30b. Connector 110 is designed to change the direction of movement of the resin composition for auxiliary extrusion in the vertical direction. 11 is a cross-sectional view of a connector 110 in accordance with the present invention. The connector 110 is equipped with an inlet 111 through which the resin composition for auxiliary extrusion is introduced, an outlet 112 that is vertically rotated from the inlet 111, and a curved portion 113, 114 that changes direction of movement. The inner diameter of the connector 110 becomes narrower from the inlet 111 to the outlet 112, so that the movement speed and pressure of the resin composition increase. Curved section 113, 114 allows you to smoothly change the direction of movement from a horizontal direction to a vertical direction.

12 is a cross-sectional view of a conventional connector. Here, the direction of movement of the material transport sharply changes from the horizontal direction to the vertical direction. Thus, the material transported in the horizontal direction collides with the vertical wall and, thus, comes back or accumulates in this area, which causes the problem of increasing the pressure of transportation. However, since the present invention provides a curved portion, the direction of movement of the material can vary smoothly.

Fig. 13 is a comparative example showing that patterns are formed on a profile by an auxiliary extrusion apparatus, and Fig. 14 is shown that patterns are formed on a profile by an auxiliary extrusion apparatus in accordance with the present invention.

The auxiliary extrusion resin composition is introduced from the auxiliary auxiliary extrusion unit 100 to the upper portion of the die 30 and then introduced into the auxiliary extrusion compression space 38 formed in the die. Then the resin composition for auxiliary extrusion is applied to the upper surface or the upper and side surfaces of the profile P, which passes through the head and is transported horizontally, thus forming a surface layer S on the profile. Here, the second and third raw materials of resin compositions form natural patterns.

However, as shown in FIG. 13, if the compression space 38 during auxiliary extrusion is formed as a single space, the pressure is concentrically applied to the central portion of the resin composition deposited on the profile P, and thus, the swirl patterns S1 are concentrically formed on the central section of the upper surface of the profile, thus creating an artificial sensation.

In the present invention, in order to solve the problem, the auxiliary compression extrusion space 38 is divided into many compartments. To this end, the present invention provides a flow guide 39 that is formed in a compression space 38 during auxiliary extrusion to direct the resin composition to various spaces. In this case, the resin composition, which is compressed in the auxiliary installation 100 for extrusion and introduced into the space 38 for compression during auxiliary extrusion in the head, is sent to different spaces, and thus, it is prevented that the resin composition will be concentrically applied to the central portion of the upper profile surface. Therefore, the pattern S2 formed on the surface layer S of the profile thus uniformly forms natural patterns in the form of stripes.

As shown in FIG. 14, since the pattern S2 formed on the surface layer S of the profile P made by the auxiliary extrusion apparatus according to the present invention is formed by appropriately distributing the second and third raw materials using the flow guide 39, it has natural and not formal drawings and, thus, high graphics.

Industrial applicability

In accordance with the present invention, the surface layer is integrally formed on one side of the profile by auxiliary extrusion, and thus it is possible to provide a natural wood texture and thus an excellent appearance. Moreover, since the present invention provides an improved passage in an auxiliary installation for auxiliary extrusion to prevent carbonization of the resin composition therein, as well as to prevent excessive energy consumption during transportation of the resin composition, it is possible to increase the graphics of the patterns formed on the surface layer of the profile.

Although the present invention has been described with reference to individual embodiments, one skilled in the art will appreciate that various changes and modifications can be made without violating the scope and spirit of the invention defined in the following claims.

Claims (6)

1. Additional installation 100 for auxiliary extrusion of the window profile, in which the resin composition for auxiliary extrusion is compressed and transported to one side of the head 30 to form a surface layer S on the surface of the profile P, when the resin material for forming the profile P is melted in the main extruder 10 and then compressed and transported to the head, characterized in that:
additional installation for auxiliary extrusion contains a connector 110 for changing the direction of movement of the resin composition for auxiliary extrusion and a curved section 113, 114, which smoothly changes the direction of movement of the resin composition formed between the inlet 111 and the outlet 112 of the connector 110, while the inner diameter of the connector becomes already from the inlet 111 to the outlet 112, so that the moving speed and pressure of the resin composition increase. 2. Installation for the manufacture of a window profile containing the main extruder 10, compressing and transporting the molten resin material, a head 30, releasing the resin material in the form of a profile having a given shape, and an additional installation 100 for auxiliary extrusion, which compresses and conveys the resin composition for auxiliary extruding to one side of the head to form a surface layer S on the surface of the profile, characterized in that:
the head 30 has a compression space 38 receiving a resin composition for auxiliary extrusion introduced from an auxiliary installation for auxiliary extrusion, compresses and delivers it to the surface of the profile, and
space 38 for compression is equipped with a guide 39 passage, separating the flow of the resin composition for auxiliary extrusion. 3. Installation according to claim 2, in which the guide passage of the space 38 for compression is located along the direction of movement of the resin composition for auxiliary extrusion. 4. The installation according to claim 3, in which the additional installation for auxiliary extrusion includes a connector for changing the direction of movement of the resin composition for auxiliary extrusion and a curved section 113, 114 for smoothly changing the direction of movement of the resin composition formed between the inlet 111 and the outlet 112 of the connector . 5. The apparatus of claim 4, further comprising a calibrator 70 supporting the appearance of the profile ejected from the head, and a cooling device 90, a cooling profile passing through the calibrator. 6. Installation according to claim 5, in which the resin composition for auxiliary extrusion contains wood fibers.

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