KR101874910B1 - Method for molding board of vehicle - Google Patents

Method for molding board of vehicle Download PDF

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Publication number
KR101874910B1
KR101874910B1 KR1020170060239A KR20170060239A KR101874910B1 KR 101874910 B1 KR101874910 B1 KR 101874910B1 KR 1020170060239 A KR1020170060239 A KR 1020170060239A KR 20170060239 A KR20170060239 A KR 20170060239A KR 101874910 B1 KR101874910 B1 KR 101874910B1
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KR
South Korea
Prior art keywords
board
surface layer
mold
surface layers
substrate
Prior art date
Application number
KR1020170060239A
Other languages
Korean (ko)
Inventor
권민호
마병종
Original Assignee
주식회사 대솔오시스
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Priority to KR1020170060239A priority Critical patent/KR101874910B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/12—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor of articles having inserts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/18—Thermoforming apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • B29C66/0326—Cutting, e.g. by using waterjets, or perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/03—After-treatments in the joint area
    • B29C66/038—Covering the joint by a coating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/725—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs
    • B29C66/7254—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being hollow-walled or honeycombs honeycomb structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00—Producing articles with hollow walls
    • B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/005—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

The present invention provides a method of forming a car board, the method which can increase productivity and can reduce manufacturing costs by fixing first and second surface layers to each of upper and lower molds, and inserting a base material between the first and second surface layers such that the board can be manufactured at a time, thereby reducing the number of work processes. Further, the present invention provides a method of forming the car board, the method which manufactures the car board conveniently and enables the car board to be safely used by applying a polyurethane onto the base material when manufacturing the car board, and integrally forming the surface layers by using the polyurethane as an adhesive to attach the surface layers to each other such that the surface layers are directly attached to each other even without a separate attachment means. Further, the method enables the edge of the board to be smoothly finished while the edge of the board is melted by positioning the junction of the two surface layers at one side of the edge of the base material and ultrasonic cutting the junction, thereby finishing a cut portion of the junction.

Description

METHOD FOR MOLDING BOARD OF VEHICLE BACKGROUND OF THE INVENTION [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of forming an automotive board, and more particularly, to a method of forming a board for an automobile, more specifically, So that the surface layer can be attached to both sides of the substrate without using an adhesive, and the bonding portion of the first and second surface layers is formed on one edge of the substrate to cut the ultrasonic wave, And a part is smoothly finished, making it possible to use safely and conveniently, thereby enhancing the merchantability.

Generally, cars use various boards. Among them, a luggage board is installed so that a toilet or a light article can be placed behind a back seat or a trunk. The rugby board can be installed in a place that is not easy to see like a trunk, but it is installed between the rear seat and the rear glass of a car interior. Thus, a rugby board mounted in an automobile interior is usually made of a wrapping material. The following patent documents 1 and 2 disclose techniques relating to such a rugged board.

(Patent Document 1) Korean Patent No. 1231354

A variable rugby board system, comprising a rug board mounted at the rear of a rearmost seat to form a bottom surface of a rack space, the rug board comprising: A tension member coupled to the coupling portion so as to be movable up and down; And an expansion board that is rotatably installed at the rear end of the tension member and is inserted into and removed from the lower end of the luggage board at the front end side of the luggage board by rotation of the tension member. When folded, the back side of the seat back and the luggage board are placed at the same plane. When the last seat is slid forward, the expansion board located at the lower portion of the luggage board is spread to the front end of the luggage board, By forming the same plane, the bottom surface of the extended loading space is formed flat, thereby improving the loading efficiency.

(Patent Document 2) Korean Patent No. 1684555

A ridge board for a vehicle having improved structure for improving operability and performance, comprising: a hinge portion provided at a rear end portion of a distal end member to enable rotation of the distal end member; A ridge board for a vehicle, comprising: a guide member provided at a lower portion of the front end of the hinge unit; A lever portion provided at a center portion of the knob inner space portion and extended outward to the left and right sides of the handle; and a hinge portion extending from both ends of the lever portion to be fitted to the hinge portion, A link member having a slide portion that slides forward and rearward of the distal end member; And an elastic member provided at the inner end portion of the lever portion and the handle to allow the lever portion to be pulled toward the front of the handle and to be restored and transferred to the original position.

However, there are the following problems when manufacturing existing luggage boards.

(1) A substrate is prepared and a surface layer is attached to both sides thereof. At this time, since the substrate must be first formed and then the surface layer must be adhered to the surface thereof, the number of steps increases, which is one of the factors that lowers manufacturing cost and manufacturing efficiency.

(2) Two types of thermal molds are required to separately form the substrate and the surface layer.

(3) In particular, when two sets of heat molds are installed, the initial facility investment cost is increased and the manufacturing efficiency is lowered.

(4) To manufacture a luggage board so as to support a certain load, the base material must be made of a rigid material, so that the weight of the base material is heavy and the noise performance against ambient noise is degraded.

(5) In order to improve the noise performance, it is necessary to use a separate material, replace the surface layer, or construct a sound absorption or sound insulation layer.

(6) On the other hand, a mold release agent should be used to easily separate the finished substrate from the heat mold when manufacturing the substrate. This is because, since the release agent is applied to the mold in advance before the substrate is formed, the work for separating the finished substrate from the mold after the substrate is formed, and then the surface layer is provided again on the mold again. In addition, since the base material is used for each luggage board, the release agent must be applied to the mold every time the base material is manufactured.

(7) Since the edge of the rugged board is formed by trimming by the press method, the edge is rough, which may cause injury when a consumer or an operator catches the rugby board by hand, Drop it.

Korean Registered Patent No. 1231354 (Registered on March 31, 2013) Korean Registered Patent No. 1684555 (Registered on Dec. 20, 2016)

The present invention takes these points into consideration, and it is constituted that the first and second surface layers are respectively fixed to the upper and lower molds, and the board is formed between the first and second surface layers by putting the substrate therebetween. And to provide a method of forming a board for a vehicle that can reduce the size of the board.

In addition, since the present invention is produced by applying polyurethane to a substrate, when the surface layer is integrally formed, the polyurethane is adhered using an adhesive, so that it can be attached directly without any additional attachment means, Another purpose is to provide a method of forming an automotive board.

The present invention relates to a method of molding a board for automobiles in which a portion where two surface layers are joined is positioned at one edge of the base and the joining portion is finished by ultrasonic cutting so that the edge of the board is melted and smoothly finished There is another purpose in providing.

In order to achieve the above object, according to the present invention, there is provided a method of forming a car board, comprising the steps of: forming a first surface layer (10) and a second surface layer (20) P in a predetermined position and a lower mold, the first surface layer 10 is fixed to the upper mold 100 and the upper mold 10 is fixed to the lower mold 100 200) with a second surface layer (20); The substrate 30 is inserted between the upper mold 100 and the lower mold 200 so that the joining portion J of the first and second surface layers 10 and 20 is positioned at the edge of one side of the substrate 30 Thermoforming; And cutting the joining portion J of the first and second surface layers 10 and 20 by ultrasonic cutting the glass mat 32 on both sides of the honeycomb core 31, Are laminated, and polyurethane 33 is applied thereon by spraying.

In particular, the first surface layer 10 and the second surface layer 20 are each a fabric or a wall paper.

In addition, the ultrasonic cutting step is characterized by comprising an ultrasonic cutting machine using a six-axis robot.

The honeycomb core 31 has a cell size of 6 to 10 mm.

Further, the lower mold 200 is further provided with an ejector 210 having a diameter of 70 to 100 mm.

Lastly, the upper mold 100 and the lower mold 200 are characterized in that 2 to 4 molded articles are molded at one time.

The method of forming a board for an automobile according to the present invention has the following effects.

(1) When the surface layer is formed on both sides of the substrate, the both surface layers are integrally processed at once, so that the number of the whole molding steps can be reduced.

(2) As a result, the manufacturing efficiency can be improved by reducing the number of processes, and the manufacturing cost can be reduced.

(3) In particular, since polyurethane is applied to a base material, it is possible to directly attach the surface layer through the polyurethane without using any attachment means when attaching the surface layer, so that it is possible to safely remove the back- It is possible to form the board safely and conveniently because it does not use harmful adhesive material to the operator.

(4) On the other hand, in the mold, pins are formed on the surfaces facing each other, and the surface layer is fixed through the pins, so that the surface layer is flattened to eliminate the molding defects such as the surface of the board being folded or folded after the thermoforming . Thus, the defective rate can be lowered while improving the quality of the board.

(5) Since the ejector is formed in the lower mold, the finished product can be taken out easily and conveniently after molding the board.

(6) Since a plurality of boards can be formed at one time through the mold, production efficiency can be improved.

(7) Since the base material is formed integrally with the surface layer all at once without touching the mold directly, a release agent for use in easily separating the base material from the mold may not be used in the present invention. In such a mold release agent, since the mold release agent must be applied to the mold every time the base material is manufactured, the number of work steps increases, which is one factor that not only decreases the working efficiency but also increases the manufacturing cost.

(8) It is molded so that the joint part of the surface layer is focussed on one edge of the substrate, and the edge part is removed by ultrasonic cutting, so that the trim part is melted and smoothly finished. This can reduce consumer complaints and improve the quality of goods and services.

1 is a schematic view showing a process of forming a board by a forming method according to the present invention, wherein (a) is a schematic view showing a state where first and second surface layers are fixed to a mold, (b) Fig. 3 is a schematic view showing a state before placing the substrate on and thermoforming. Fig.
2 is a photograph showing an example of a mold according to the present invention.
[Fig. 3] is an exploded perspective view showing the constitution of the substrate according to the present invention. [Fig.
[Fig. 4] is a sectional view showing the constitution of the substrate according to the present invention.
FIG. 5 is a photograph showing a board manufactured by the molding method according to the present invention in which the edge is not trimmed. FIG.
[Fig. 6] is a cross-sectional view showing a section of a board manufactured by the molding method according to the present invention.
FIG. 7 is a photograph showing a method of cutting an ultrasonic wave by a forming method according to the present invention. FIG. 7 (a) shows a state in which the edge is trimmed using a robot, and FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should properly define the concept of the term to describe its invention in the best possible way The present invention should be construed in accordance with the spirit and scope of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Thus, various equivalents And variations may be present.

(Configuration)

The method for molding a board for an automobile according to the present invention is characterized in that the first and second surface layers 10 and 20 are mounted on the upper mold 100 and the lower mold 200 respectively as shown in FIGS. Molding the substrate 30 between the first and second surface layers 10 and 20 and integrally thermoforming the first and second surface layers 10 and 20 so that the first and second surface layers 10 and 20 contact the joint portion J with ultrasonic waves And cutting.

Particularly, the upper mold 100 and the lower mold 200 are formed with pins P and the first and second surface layers 10 and 20 are fixed in advance by using the pins P. Therefore, And the second surface layer (10, 20) can be thermoformed at one time, and can be pulled up tightly, thereby preventing the wrapping and folding phenomenon and improving the quality.

It is also preferable that the joint portions of the first and second surface layers 10 and 20 are joined at one edge of the base 30, preferably at the edge portion of the side not facing the outside or facing the vehicle body, Ultrasonic cutting is done to finish, so the trim part can be melted smoothly.

The lower mold 200 is provided with an ejector 210 so that the finished product can be easily and conveniently taken out after thermoforming.

At this time, the base material 30 is laminated on both sides of the honeycomb core 31 with a glass mat 32, and the polyurethane 33 is sprayed on the glass mat 32, respectively, so that the base material 30 can have a light and sufficient structural rigidity , And the first and second surface layers (10, 20) can be attached without adding an adhesive means.

Hereinafter, this configuration will be described in more detail with reference to the drawings. Here, since the mold according to the present invention uses a mold capable of thermoforming, the mold will be described first, and the molding method will be described later. In addition, the board according to the present invention is meant to be manufactured in the form of a board used in a vehicle such as an insulation mounted on a rugged board, a hood or a roof panel, a body, and a package tray mounted on a trunk of a hatchback vehicle do.

≪ Mold capable of thermoforming >

As shown in FIGS. 1 and 2, the mold according to the present invention uses a mold made of a conventional technique comprising an upper mold 100 and a lower mold 200 so as to be thermally formed.

Particularly, the upper mold 100 and the lower mold 200 are formed with pins P on the surfaces facing each other, as shown in FIG. The pin P is for fixing the first and second surface layers 10 and 20 to be described later. It is preferable that these pins P are usually formed at appropriate positions according to their shapes so that the first and second surface layers 10 and 20 can be pulled out at a position where they are not folded or overlapped. In FIG. 2, four pins are formed on the upper mold 100 and the lower mold 200, respectively, one at each corner with respect to a rectangular surface layer, as indicated by a red circle. It will be easily understood by anyone skilled in the art that the upper die and the lower die should be constructed so as not to interfere with each other when they are combined.

In addition, the lower mold 200 preferably includes an ejector 210 as shown in FIG. The ejector 210 is designed so that the upper mold 100 and the lower mold 200 are joined together and the board formed after the thermoforming is easily separated from the lower mold 200. The ejector 210 may be manufactured in various sizes so that it can be easily separated without tearing or damaging the surface of the board. In the present invention, the ejector 210 is formed in a cylindrical shape having a diameter of 70 to 100 mm.

The upper mold 100 and the lower mold 200 may be formed to have a size capable of molding two to four boards at a time. This is to increase productivity by molding multiple boards at once. The photograph shown in FIG. 2 shows an example of a mold for molding two boards at a time.

Finally, the upper mold 100 and the lower mold 200, when the first and second surface layers 10 and 20 are thermally formed on both sides of the substrate 30, It is preferable that the joint portions J of the first and second surface layers 10 and 20 are formed on the edge of one side of the substrate 30 as shown in FIG. This is to smoothly cover the other side edge portion of the substrate 30 with the surface layer and to easily and smoothly cut the joining portion J with an ultrasonic cutting machine.

<Molding method>

The method of forming a board according to the present invention includes steps of fixing a first surface layer 10 to an upper mold 100 and a second surface layer 20 to a lower mold 200, to be.

Here, the first surface layer 10 and the second surface layer 20 are surface layers constituting both sides of the board manufactured according to the present invention, and any material can be used as long as it is a material usually used for a board. Of these, a fabric or a wall paper is most preferable.

The first surface layer 10 and the second surface layer 20 may be made of the same material or different materials. Preferably, the first surface layer 10 is made of a fabric, And the second surface layer 20 can be constructed so as to compensate the structural rigidity by using the wall paper.

In the preferred embodiment of the present invention, it is preferable to attach a breathable film to the surface of the wall paper or fabric used as the surface layer, respectively, facing the substrate 30. This is because when the wall paper or the fabric is adhered to the surface of the base material 30 to be described later by using the polyurethane, the polyurethane may swell and gas may be generated. This gas causes the base material 30 to float So that the gas can be discharged through the air-permeable film well. In addition, it is intended to prevent leakage of the polyurethane stock solution and to allow good adhesion.

In addition, in the preferred embodiment of the present invention, the fabric may be any fabric as long as it is manufactured by a conventional technique. Examples of the fabric include nonwoven fabric, Velor, Dilour, Plush, (Velvet), and the like.

The first surface layer 10 and the second surface layer 20 are fixed to the upper mold 100 and the lower mold 200 using the pins P as shown in FIG. At this time, it is preferable that the first surface layer 10 and the second surface layer 20 are fixed to the pin P while being pulled to some extent so as not to be worn or folded.

The next step is to insert the substrate 30 between the first surface layer 10 fixed to the metal mold and the second surface layer 20 and thermoforming the same. Here, the substrate 30 has a predetermined structural rigidity and is used for forming the complete board by integrally attaching the first surface layer 10 and the second surface layer 20 described above.

This base material 30 is obtained by laminating glass mat 32 on both sides of the honeycomb core 31 and spraying polyurethane 33 on each of them as shown in Fig. 3 and Fig. 4 . At this time, the honeycomb core 31 is made of a honeycomb structure using paper, synthetic resin, or the like, so that the structural rigidity of the board can be complemented while the weight is light. The honeycomb core 31 may use various cell sizes, but it is preferable to use the honeycomb core 31 having a size of 6 to 10 mm in order to obtain sufficient structural rigidity.

The glass mat 32 is integrally formed by laminating both sides of the honeycomb core 31 as shown in Figs. 3 and 4. The glass mat 32 absorbs noises generated in the room when the board according to the present invention is installed in a vehicle interior, such as between a rear seat and a rear glass, thereby enhancing ride comfort. .

The polyurethane 33 is applied to one surface of the glass mat 32 attached to both sides of the honeycomb core 31 by spraying as shown in Figs. 3 and 4. At this time, the polyurethane 33 is utilized as a sound absorbing material after thermoforming, and is used as an attaching means for attaching the first and second surface layers 10 and 20 described above.

In the preferred embodiment of the present invention, the thermoforming is performed such that the joint portion J of the first surface layer 10 and the second surface layer 20 is on the edge of one side of the substrate 30 as shown in Fig. 6 It is preferable to produce them. This is because trimming can be smoothly performed in the ultrasonic cutting process to be described later, and the other side of the board on which the joint portion J is not formed is exposed to the interior of the automobile, thereby enhancing the appearance. In FIG. 6, the oblique line in the joint portion J is an example of a line obtained by cutting the remaining portion after joining.

The last step is a step of cutting the above-mentioned joint portion J by ultrasonic cutting and finishing. It is preferable that the ultrasonic cutting machine to be used at this time be able to cut into various shapes by controlling the position in a desired shape even if there are various shapes and irregularities using a multi-axis robot. It is preferable that the multi-axis robot at this time uses a six-axis robot.

On the other hand, as shown in Fig. 6, the joining portion J is fed upward by using a gripper or the like, so that the ultrasonic cutter can easily and conveniently cut.

As described above, according to the present invention, the surface layer and the base material can be integrally formed at one time, and the surface layer and the base material can be integrally adhered to each other without using additional attachment means while reducing the number of processes.

In addition, since the present invention does not require the use of a release agent for use when a finished substrate is easily separated from a mold when it is applied to a mold when manufacturing a substrate, the number of working steps can be reduced to thereby reduce the manufacturing cost while improving work efficiency.

In addition, since the bonding portion is cut with an ultrasonic cutting machine after thermoforming the bonding portion of the first and second surface layers so as to form the bonding portion of the first and second surface layers on the edge of one side of the substrate, the cutting portion is melted and smoothly finished, .

10: First surface layer
20: second surface layer
30: substrate
31: Honeycomb core
32: Glass mat
33: Polyurethane
100: upper mold
200: Lower mold
210: Ejector

Claims (6)

The upper mold 100 and the lower mold 200 are provided with upper and lower molds in which a pin P for fixing the first surface layer 10 and the second surface layer 20 is formed at a predetermined position, In a molding method of an automotive board using a molding die,
Fixing the first surface layer (10) to the upper mold (100) and fixing the second surface layer (20) to the lower mold (200); The substrate 30 is inserted between the upper mold 100 and the lower mold 200 so that the joining portion J of the first and second surface layers 10 and 20 is positioned at the edge of one side of the substrate 30 Thermoforming; And ultrasonic cutting the joint portion (J) of the first and second surface layers (10, 20)
Wherein the base material (30) is obtained by laminating a glass mat (32) on both sides of the honeycomb core (31), and spraying polyurethane (33) on each of the glass mat (32).
The method of claim 1,
The first surface layer (10) and the second surface layer (20)
Wherein the base material is a fabric or wall paper.
The method of claim 1,
Wherein the ultrasonic cutting step comprises an ultrasonic cutting machine using a six-axis robot.
The method of claim 1,
The honeycomb core (31)
And the cell size is 6 to 10 mm.
The method of claim 1,
In the lower mold 200,
And an ejector (210) having a diameter of 70 to 100 mm.
6. The method according to any one of claims 1 to 5,
The upper mold 100 and the lower mold 200,
Wherein two to four molded articles are molded at one time.
KR1020170060239A 2017-05-16 2017-05-16 Method for molding board of vehicle KR101874910B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3092033A1 (en) * 2019-01-29 2020-07-31 Faurecia Automotive Industrie Manufacturing process of a piece of motor vehicle equipment and associated installation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002059444A (en) * 2000-08-22 2002-02-26 Howa Seni Kogyo Kk Core material for internal trim of automobile
JP2012240555A (en) * 2011-05-19 2012-12-10 Toyota Motor Corp Vehicle interior material, and method of manufacturing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002059444A (en) * 2000-08-22 2002-02-26 Howa Seni Kogyo Kk Core material for internal trim of automobile
JP2012240555A (en) * 2011-05-19 2012-12-10 Toyota Motor Corp Vehicle interior material, and method of manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3092033A1 (en) * 2019-01-29 2020-07-31 Faurecia Automotive Industrie Manufacturing process of a piece of motor vehicle equipment and associated installation
EP3689578A1 (en) * 2019-01-29 2020-08-05 Faurecia Automotive Industrie Method for manufacturing an equipment part for a motor vehicle and associated installation

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