KR100768824B1 - Equipment for the production of multilayer extruded sheet and multilayer extruded sheet - Google Patents

Abstract

A manufacturing apparatus for functional multilayer extruded sheets and functional multilayer extruded sheets using the same are provided to reduce the weight of the extruded sheets by integrally forming the reinforced material layers having the reinforced materials such as the nonwoven fabric. A manufacturing apparatus for functional multilayer extruded sheets and functional multilayer extruded sheets using the same comprise the first, second, and third pressing rolls(201, 202, 203), the fourth and fifth pressing rolls(204, 205), the first, second, third, and fourth guiding rolls(301, 302, 303, 304), the first and second silicon rolls(401, 402), and the reinforced material layers(40). The reinforced material layers comprise a substrate layer(10), the reinforced material layer formed of a reinforced material 1(41) at the upper part of the substrate layer, a surface layer(20), a reinforced material 3(43). The reinforced material layers are constituted of the reinforced material layer having a reinforced material 2(42) at the lower part of the substrate layer, a back side layer(30), a reinforced material 4(44). The reinforced material layers are formed on the extruded sheet as a finished product.

Description

 Apparatus for manufacturing functional multilayer extruded sheet, and functional multilayer extruded sheet using the same {EQUIPMENT FOR THE PRODUCTION OF MULTILAYER EXTRUDED SHEET AND MULTILAYER EXTRUDED SHEET}

1 is a schematic view showing an apparatus for producing an extruded sheet according to the present invention;

2 is a cross-sectional view of the extrusion sheet produced by the manufacturing apparatus of the present invention,

3 is a schematic view showing an apparatus for producing an extruded sheet according to another embodiment of the present invention;

Figure 4 is a cross-sectional view of the extrusion sheet produced by the manufacturing apparatus of another embodiment of the present invention,

5 is a schematic view showing an apparatus for manufacturing a conventional extruded sheet;

6 is a cross-sectional view of an extruded sheet manufactured by a conventional manufacturing apparatus.

<Description of the symbols for the main parts of the drawings>

100,100 'extruded sheet

10,10 'substrate layer

20,20 'surface layer

30,30 'back layer

40 auxiliary layers

41,42, 43,44 Auxiliary Materials 1,2,3,4

200 pressing rolls

201 First Press Roll 202 Second Press Roll

203 3rd compression roll 204 4th compression roll

205 5th Compression Roll

300 guide rolls

301 First guide roll 302 Second guide roll

303 3rd guide roll 304 4th guide roll

400 silicon rolls

401 First Silicon Roll 402 Second Silicon Roll

The present invention relates to a multi-layer extruded sheet for manufacturing a functional multi-layer extruded sheet used as an automotive part material such as a trunk part, a wheel guard, a door trim, a shelf of a vehicle, and a functional multilayer extruded sheet using the same.

More specifically, the apparatus for manufacturing a multi-layered extruded sheet and a multi-layered extruded sheet, which is a multi-layered structure and a multi-functional extruded sheet in which a non-woven fabric or fabric composed of natural and plastic fibers are formed in multiple layers inside and outside the extruded sheet, and a functional multilayer extruded sheet using the same By providing;

The present invention relates to an apparatus and method for manufacturing a functional multilayer extruded sheet having a low weight and high physical properties, in which physical properties such as rigidity, sound absorption, sound insulation, and weather resistance are improved while the weight of the extruded sheet is reduced, and a functional multilayer extruded sheet using the same.

Extruded sheets used in the conventional use as shown in Figure 5 and 6, the base layer 10 ', the surface layer 20', the back layer 30 'is crimping the first and second compression equipment in the extruder It is put into the rolls 201 and 202, and it is crimped | bonded and bonded by the press roll, and it cools in the 2nd and 3rd press rolls 202 and 203, and the extrusion sheet is manufactured,

In the composition of the composition of the base layer 10 ', when the amount of filler used is excessive or a porous filler is used, a gas is generated, the surface layer 20' is laminated on the upper and lower portions of the base layer 10 ' And the surface layer 20 'and the back layer (30) to penetrate and bubble between the back layer 30' to use the top layer 20 'and the back layer 30' in the state where the bubbles are generated. 30 ') to produce an extruded sheet 100' having a thick thickness of 2.0 to 3.0 mm.

As described above, due to the thick thickness of the surface layer 20 'and the back layer 30', problems such as deterioration of workability, increase of raw material costs, and fuel economy of automobiles occur due to excessive weight of the sheet 100 'during extrusion. It was done;

In particular, the first, second, third pressing rolls 201, of the tight structure, which are the pressing equipment in the extruder,

Hot substrate layer 10 ', surface layer 20', and back layer extruded from an extruder through 202,203

(30 ') is put into the pressing roll to crimp and bond to produce an extruded sheet (100'),

The extruded sheet may not be formed integrally with the extruded sheet by forming a non-woven fabric composed of natural and plastic fibers for improving physical properties such as sound insulation, weather resistance, and rigidity, or a separate auxiliary material such as a woven fabric. After manufacturing, additional auxiliary material laminating additional work and equipment for laminating the auxiliary material corresponding to each application to the extruded sheet was needed;

As described above, the extruded sheet manufactured through a separate auxiliary material stack additional work is also composed of a structure in which the auxiliary material is laminated only on the outside of the surface layer 20 'and the back layer 30', product properties such as sound insulation and rigidity This limited problem;

When the extruded sheet 100 ', which is a finished product, is a colored product such as a color sheet, when using scrap SCRAP, the thickness of the extruded sheet 100', which is a finished product, is difficult to manufacture in a multi-layer structure, making it impossible to reuse it. There was a problem that only a limited amount of scrap (SCRAP) can be used within a range that does not bring color discoloration and texture degradation.

The present invention solves the problems of the prior art described above, and an auxiliary material such as a non-woven fabric or fabric composed of natural and plastic fibers for improving the physical properties of the extruded sheet, which is a finished product, is integrally formed inside and outside the extruded sheet. In addition, the weight of the extruded sheet is reduced in weight, and the soundproofing, weather resistance, and stiffness of the product properties, such as the configuration of the multi-layer extruded sheet for manufacturing a multi-layer extruded sheet manufacturing apparatus and a functional multilayer extruded sheet using the same It is an object of the present invention and the technical problem to be accomplished by the present invention.

In order to achieve the above object, the configuration of the functional multilayer extruded sheet production apparatus of the present invention is;

1) a pressing roll, which is a pressing equipment mounted in an extruder, for pressing and bonding the base layer, the surface layer, the back layer, and the auxiliary material;

2) a guide roll supporting the auxiliary material introduced into the pressing roller;

3) a silicon roll that absorbs the cushion during the pressing and bonding of the base layer, the surface layer, the back layer, and the auxiliary material.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic view showing an apparatus for producing an extruded sheet according to the present invention,

2 is a cross-sectional view of the extruded sheet produced by the manufacturing apparatus of the present invention,

3 is a schematic view showing an apparatus for producing an extruded sheet according to another embodiment of the present invention;

4 is a cross-sectional view of an extruded sheet manufactured by a manufacturing apparatus of another embodiment of the present invention.

Apparatus for producing a functional multilayer extrusion sheet of the present invention;

As shown in FIG. 1, in order to improve the sound insulating properties and weather resistance of the base layer 10 and the extruded sheet 100 which is a finished product, the auxiliary material layer 40 is laminated on the upper and lower portions of the base layer 10. At room temperature, a nonwoven or woven fabric composed of natural and plastic fibers
(41,42) is loaded on the winder, and transferred to the first and second guide rolls (GUIDE ROLL 301,302), supported by the first and second guide rolls,

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On the side of the first and second guide rolls (301, 302), the base material layer 10 of 150 to 220 ℃ temperature extruded from the extruder and the auxiliary material layer 40 to the upper and lower portions of the base layer, with natural and plastic fibers First and second pressing rolls (PRESS ROLL 201, 202), which are press rolls having a temperature of 70 to 110 ° C., are formed by inserting non-woven fabrics or fabric auxiliary materials 1,2 (41,42) between the pressing rolls to be cooled and pressed;

A third pressing roll 203 having a temperature of 70 to 110 ° C. is formed on the bottom of the second pressing roll 202, and the base material 10 is a nonwoven fabric or a fabric made of natural and plastic fibers. A semi-finished product in a state in which (41, 42) is pressed is passed between the second compression roll 202 and the third compression roll 203, and is pressed again;

At the time of hot compression bonding of the base material layer 10 and the auxiliary materials 41 and 42, if the bonding temperature is too high, the resin of the base material layer 10 is excessively penetrated into the auxiliary material layer 40 which is a nonwoven fabric or a woven fabric, The role as

On the contrary, if the bonding temperature is too low, the resin of the base layer 10 is insufficient to penetrate into the auxiliary material layer 40 which is a nonwoven fabric or a fabric, and thus there is a problem that the peeling occurs.

The present invention, the temperature of the first, second, third pressing rolls (201, 202, 203) to 70 to 110 ℃ with respect to the temperature of 150 to 220 ℃ of the substrate layer 10 transferred from the extruder, Due to the difference in the temperature range of the first, second, third compression rolls 201, 202, 203 lower than the temperature range from 80 to 110 ° C., the base material 10 and the auxiliary material 41, 42, which is the auxiliary material layer 40, are compressed. And a structure that is easy to join when joining;

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Auxiliary materials 41 and 42, which are auxiliary material layers 40, are further stacked on upper and lower portions of the base material layer 10, so that gas generated in the base material layer 10 is discharged from the top layer 20 and the back surface layer 30. It is composed of a structure to prevent the phenomenon that penetrates between.

In addition, the side of the first, second, third compression rolls (201, 202, 203) of the contact structure of the straight arrangement, the auxiliary material 3 (43) at room temperature, which is a nonwoven fabric or fabric composed of natural and plastic fibers delivered from the winder, is supported. The third guide roll 303 is formed,

On the side surface of the third guide roll 303, a certain distance is maintained, the fourth pressing roll 204 is a pressing roll for pressing and bonding the semi-finished product and the auxiliary material 3 (43), and the first silicon roll 401 on the side Is formed,

Auxiliary material 3 (43), which is a non-woven fabric or fabric composed of a surface layer 20 extruded from an extruder laminated on top of the semi-finished product and a natural and plastic fiber of normal temperature laminated on top of the surface layer 20, In between the fourth pressing roll 204 and the first silicon roll (SILICON ROLL 401) of 70 to 110 ℃ temperature, the surface layer 20 and the auxiliary material layer 40 is pressed and bonded to the upper part of the semi-finished product Semi-finished products are manufactured,

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 When the auxiliary material layer 40 is bonded to the semi-finished product by the first silicon roll 401, the auxiliary material layer and the semi-finished product are pressed and bonded with uniform pressure;

The first silicon roll 401 is formed on the side surfaces of the fourth pressing roll 204 and the fourth pressing roll 204, which are maintained at a predetermined distance from the first, second, third pressing rolls 201, 202, and 203. The semi-finished product has a structure in which the temperature is cooled during transportation.

As described above, the substrate layer 10 having passed through the fourth pressing roll 204 and the first silicon roll 401 and the auxiliary materials 1,2 (41,42) on the upper and lower portions of the substrate layer 10 are formed. A fifth press roll 205 having a structure in which the auxiliary material layer 40 composed of the auxiliary material layer 40, the surface layer 20, and the auxiliary material layer 343 is stacked on the fourth pressing roll 204; Is moved to the second silicon roll 402,

On the side of the fifth pressing roll 205, a fourth guide roll 304 is formed to support the auxiliary material 4 (44), which is made of a nonwoven fabric or fabric, which is a natural and plastic fiber delivered from the winder,

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Auxiliary material 4 (44) and the back layer 30 of 150 to 220 ℃ temperature extruded from the extruder supplied from the side of the fourth guide roll 304 is supplied to the bottom of the semi-finished product, the temperature of 70 to 110 ℃ In between the fifth press roll 205 and the second silicon roll 402 of the present invention, the auxiliary material layer 40 and the back layer 30 composed of the auxiliary material 4 (44) is crimped and bonded to the lower part of the semi-finished product A functional multilayer extruded sheet 100 of a seven-layer configuration, which is a multi-layer structure, is the final product of;

 When the auxiliary material layer 40 is bonded to the semi-finished product by the second silicon roll 402, the auxiliary material layer and the semi-finished product are pressed and bonded with uniform pressure;

The fourth pressing roll and the fifth pressing roll are arranged in an S-shape to prevent sagging during transfer of the semi-finished product;

The fourth and fifth compression rolls 204 and 205 and the first and second silicon rolls 401 and 402 are bonded to each other at a temperature of 80 to 110 ° C. lower than the temperature of the surface layer 20 and the back layer 30, which are the extrudate extruded from the extruder. This easy structure is comprised.

The functional multilayer extruded sheet of the present invention prepared as described above is put into a molding facility to manufacture automotive parts such as a trunk part of a vehicle, a wheel guard, a door trim, and a shelf.

As described above, the apparatus for producing a functional multilayer extruded sheet of the present invention,

The first, second and third compression rolls 201, 202 and 203 of the linearly aligned structure and the fourth, and the S-shaped arrangement structure of the S-shaped structure in a state where a certain distance is maintained on the side surfaces of the first and second and third compression rolls 201,202 and 203 5 pressing rolls 204 and 205;

Sides of the first, second, third, fourth and fifth compression rolls 201, 202, 203, 204, and 205, auxiliary materials 1,2,3,4 (41,42, which are nonwoven fabrics or fabrics composed of natural and plastic fibers, which are auxiliary materials delivered from the winder) First, second, third, and fourth guide rolls 301, 302, 303, 304 on which 43, 44 are supported;

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A configuration of an apparatus for producing first and second silicon rolls (401, 402) positioned on the side of the fourth and fifth pressing rolls (204, 205);

As shown in FIG. 2, an auxiliary material layer 40 composed of auxiliary materials 1,2 (41,42) is formed on the upper and lower portions of the base material layer 10, and the auxiliary material layers 1,2 (41,42) are formed. Outside the auxiliary material layer 40, an additional auxiliary material layer 40 composed of the surface layer 20 and the auxiliary material 3 43, and an additional auxiliary material layer 40 composed of the backing layer 30 and the auxiliary material 4 44 are integrally formed. The extruded sheet 100 in which the auxiliary material layer 40 is formed in a multilayered structure is manufactured;

In particular, the auxiliary materials 1,2,3,4 (41,42,43,44) are configured to be laminated inside and outside of the extruded sheet 100, so that the surface layer 20 and the back layer 30 It is not necessary to form a thick thickness at the same time the weight of the finished sheet extruded sheet 100 is light weight;

By forming a plurality of auxiliary material layers 40 composed of the auxiliary materials 1, 2, 3, 4 (41, 42, 43, 44), noise transmitted from the outside is formed on the top layer 20 and the back layer 30. The auxiliary material layer 40 composed of the auxiliary materials 3 and 4 (43 and 44) formed in the lower portion is easily absorbed into the auxiliary material layer 40, so that the surface layer 20 and the base material layer 10 and the back layer ( 30), the sound insulation function is improved,

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By forming a plurality of auxiliary material layers 40 by the auxiliary materials 1,2,3,4 (41,42,43,44), the stiffness and weather resistance are improved, and the appearance of the finished sheet extruded sheet 100 is smooth. Composed of an importing structure;

The base layer 10 and the surface layer 20, the back layer 30 and the first, second, third, fourth and fifth compression rolls 201,
Due to the temperature difference in the range of 80 to 110 ° C. of 202, 203, 204, and 205, the base layer 10, the surface layer 20, the back layer 30, and the auxiliary material layer 40 are composed of a structure that is easy to join when bonding and bonding;

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The auxiliary material layer 40 by the auxiliary materials 1,2 and 41 and 42 is further stacked on the upper and lower portions of the base material layer 10, so that the gas generated in the base material layer 10 is formed on the surface layer 20 and the back surface. It is composed of a manufacturing method in which the phenomenon of infiltration between the layers 30 is prevented;

The finished sheet extruded sheet 100 has a structure in which a plurality of auxiliary material layers 40 made of auxiliary materials 1,2,3,4 (41, 42, 43, 44) are laminated on the upper and lower parts of the base material layer 10. When the recycled scrap (SCRAP) of the colored product such as the color sheet is reused, the color of the recycled scrap is not displayed on the surface of the extruded sheet 100 due to the auxiliary material layer 40, Easy to use;

By the formation of the auxiliary material layer 40, the base material layer 10, the surface layer 20, the back layer 30 can be formed of a compound of different materials, respectively, a compound of a material that improves odor prevention or adhesion It is used for the base layer 10, the surface layer 20, the back layer 30, respectively, the base layer 10, the surface layer 20, the back layer 30 may be composed of a combination of different materials. It is composed of a structure.

As shown in FIG. 3, the first, second and third compression rolls 201, 202, 203 and the first and second guide rolls (if necessary) may be used during the construction of the manufacturing apparatus when manufacturing the functional multilayer extruded sheet 100 of the present invention. By using a manufacturing apparatus consisting of only the fourth and fifth compression rolls 204 and 205, the third and fourth guide rolls 303 and 304, and the first and second silicon rolls 401 and 402 in an S-shape state in which 301 and 302 are excluded,

As shown in FIG. 4, the surface layer 20 and the back layer 30 are laminated on the upper and lower portions of the base layer 10 and the auxiliary materials 3 and 4 (outside the surface layer 20 and the back layer 30). Comprising 43, 44 is formed of the extruded sheet 100 formed with the auxiliary material layer 40, it can be configured as a structure that the ultra-light weight and sound insulation function of the extruded sheet is improved.

In addition, if necessary, the auxiliary materials 1,2,3,4 (41,42,43,44) constituting the auxiliary material layer 40 of the present invention may be replaced with an auxiliary material layer composed of glass fibers, or

Alternatively, the auxiliary materials 1, 2, 3, 4 (41, 42, 43, 44), and glass fibers can be manufactured as a multifunctional extrusion sheet composed of the auxiliary material layer used.

In the technical configuration of the functional multilayer extruded sheet manufacturing apparatus and the functional multilayer extruded sheet using the same of the present invention having the above configuration,

Excessive weight of the extruded sheet produced by the gas of the substrate layer of the prior art affects the surface layer and the back layer so that the thickness of the surface layer and the back layer is thick. Solve problems such as fuel economy,

In particular, a plurality of auxiliary material layers composed of auxiliary materials, such as natural and plastic fibers, which are non-woven fabrics or fabrics, are formed integrally inside and outside the extruded sheet, and thus the weight of the extruded sheet is light, and products such as sound insulation, weather resistance, and rigidity are made. Effect of improving physical properties;

The base layer, the surface layer, the back layer, and the auxiliary material are easy to bond;

It is a very useful invention that makes it easy to reuse recycled scrap (SCRAP) of colored products such as color sheets.

Claims (5)

An apparatus for producing extruded sheets for use in automobile parts such as trunk parts, wheel guards, door trims, and shelves, the apparatus for producing extruded sheets; First, second, third compression rolls 201, 202, 203 of a tightly arranged structure in which the base material layer 10 and the auxiliary materials 1,2 (41,42) are compressed and bonded; On the side surfaces of the first, second and third pressing rolls 201, 202 and 203, the semi-finished product and the surface layer 20 and the auxiliary material 3 (43), in which the base material layer 10 and the auxiliary materials 1,2 (41,42) are pressed and bonded, The fourth and fifth compression rolls 204 and 205 are pressed and bonded to each other, and the back layer 30 and the auxiliary material 4 44 are pressed and bonded to each other to form a predetermined distance from the first and second compression rolls 201, 202 and 203. Is done; On the side surfaces of the first, second, third, fourth and fifth compression rolls 201, 202, 203, 204, 205, auxiliary materials 1,2,3, First, second, third and fourth guide rolls 301, 302, 303, 304 on which four (41, 42, 43, 44) are supported; The second and second silicon rolls 401 and 402 are formed on the side surfaces of the fourth and fifth pressing rolls 204 and 205 to which the auxiliary material layer 40 and the semi-finished products are pressed and bonded at a uniform pressure. Became; Base material layer 10 and the auxiliary material layer 40 composed of the auxiliary material 1 (41) and the surface layer 20 and the auxiliary material layer 40 consisting of the auxiliary material 3 (43) formed on the base material layer 10, An auxiliary material layer 40 composed of auxiliary materials 2 (42), a backing layer 30, and an auxiliary material layer 40 composed of auxiliary materials 4 (44) are formed below the base material layer 10; An apparatus for producing a functional multilayer extruded sheet, wherein an extruded sheet having a plurality of auxiliary material layers 40 formed on the extruded sheet 100 is manufactured. The method of claim 1, wherein the first, second, third compression rolls 201, 202, 203 and the first, first, and second guide rolls The fourth and fifth compression rolls 204 and 205 and the third and fourth guide rolls with (301,302) excluded (303,304), a manufacturing apparatus is composed of first and second silicon rolls (401,402); The surface layer 20 and the back layer 30 are laminated on the upper and lower portions of the base layer 10, and the auxiliary layers 3, 4 (43, 44) are formed on the outside of the surface layer 20 and the back layer 30. Apparatus for producing a functional multilayer extruded sheet, characterized in that the extrusion sheet 100 is formed with the auxiliary material layer 40, respectively. Extrusion sheet used for automotive parts such as trunk parts, wheel guards, door trims, shelves, etc. is formed of the auxiliary material layer 40 composed of the auxiliary material 1 (41) on the base material layer 10 and the base material layer 10. An additional auxiliary layer 40 composed of a surface layer 20 and an auxiliary material 3 43; Under the substrate layer 10, the additional auxiliary material layer 40 composed of auxiliary materials 2 (42) and the backing layer 30, the additional auxiliary material layer 40 composed of auxiliary materials 4 (44) is laminated structure, The auxiliary material 40 is formed integrally with the extruded sheet 100 in a multilayer structure; Functional extruded sheet 100, characterized in that the weight of the extruded sheet 100 is reduced in weight, and sound insulation, weather resistance, and rigidity are improved. 2. The apparatus for manufacturing a functional multilayer extruded sheet according to claim 1, wherein the auxiliary materials (41, 42, 43, 44) are made of a nonwoven fabric or fabric composed of natural and plastic fibers. 4. The functional multilayer extruded sheet (100) according to claim 3, wherein the auxiliary material (41, 42, 43, 44) is made of a nonwoven fabric or fabric composed of natural and plastic fibers and glass fiber (GLASS FIBER).

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