KR101795582B1 - Manufacturing apparatus of interior for vehicle - Google Patents

Manufacturing apparatus of interior for vehicle Download PDF

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Publication number
KR101795582B1
KR101795582B1 KR1020150158357A KR20150158357A KR101795582B1 KR 101795582 B1 KR101795582 B1 KR 101795582B1 KR 1020150158357 A KR1020150158357 A KR 1020150158357A KR 20150158357 A KR20150158357 A KR 20150158357A KR 101795582 B1 KR101795582 B1 KR 101795582B1
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South Korea
Prior art keywords
mold
base material
forming
molding
natural
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KR1020150158357A
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Korean (ko)
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KR20170055322A (en
Inventor
윤치원
김승영
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주식회사 서연이화
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    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03—Injection moulding 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2602—Mould construction elements
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding

Abstract

The present invention relates to a molding apparatus and a molding method for a vehicle interior material, and more particularly, to a molding apparatus and a molding method for a vehicle interior material, which comprises a first mold having an upper portion on which a natural base material is seated to form a base material molding portion for forming an interior material, A press forming unit for pressing the natural base material movably mounted on the operating groove of the second mold and seated on the first mold, A reinforcing rib forming portion formed in the base material forming portion to form a reinforcing rib for injection molding the natural base material and reinforcing the strength; and an edge portion provided in the first mold and the press forming portion to reinforce the strength of the bent portion of the natural base material And an edge forming part for forming the part. Therefore, the cost can be reduced and the manufacturing process can be simplified by forming the reinforcing part and the structure for mounting by a process of squeezing the natural base material when molding the inner material and injection molding of the natural base material.

Figure 112015110020138-pat00001

Description

TECHNICAL FIELD [0001] The present invention relates to a molding apparatus for a vehicle interior material,

The present invention relates to an automotive interior material molding apparatus and method, and more particularly, to a vehicle interior material molding apparatus capable of molding an interior material that can simultaneously satisfy light weight and eco-friendliness by blending natural fibers having a low specific gravity with resin, .

In general, automotive interior materials include door trim, filler, trunk mat, package trim, and headliner. Depending on the type of the vehicle, the interior material may be injection molded using only a hard substrate, A soft skin material may be adhered to the surface of the base material in order to make it better, and a trimmed base material may be used. Alternatively, a skin material may be adhered to the surface of the base material and then a skin material rim may be wrapped around the base material rim.

In recent years, natural materials have been used as substrates for environment friendliness and weight saving. A method for manufacturing an interior material using such a natural material is as follows.

First, a base material is formed using natural materials. Thereafter, the molded natural substrate is formed by cutting an outer frame and a hole using a separate trimming mold.

Then, a separate structure for bonding the natural substrate to the vehicle body is manufactured through a separate process and a molding die. (Here, the process of molding the structure may be preformed before molding the natural substrate, or the natural substrate may be molded and molded.)

Thereafter, a natural substrate is placed on a separate compression mold, and the skin to which the adhesive is applied is pressed and attached to the natural substrate.

Then, the natural substrate with the skin is placed on the trimming mold, and the useless skin is trimmed.

The process is completed by wrapping the inside edge of the trimming natural skewer.

A conventional method for molding an automotive interior material as described above is a method for molding an automobile interior material using a natural material, molding the base material with a natural material in a mold for molding a base material, molding the base material into a natural material, To be attached to the natural substrate, separate compression molds are provided separately and are separately manufactured through a separate process, resulting in a large installation cost and a long working time.

Korean Patent Publication No. 10-2013-0007945 (Jan. 21, 2013)

Accordingly, it is an object of the present invention to provide a vehicle interior material capable of reducing costs while reducing costs by performing trimming molding of natural fibers into a desired shape with one metal mold and then performing injection molding for reinforcing the natural fibers and forming brackets And an object thereof is to provide a molding apparatus and a method thereof.

According to an aspect of the present invention, there is provided a method of manufacturing an automobile interior, comprising: a first mold having an upper portion on which a natural base material is seated to form a base material forming portion to protrude; A press forming section for pressing the natural base material movably provided in the operating groove portion of the second mold and seated on the first mold, A reinforcing rib forming part formed on the natural base material to form a reinforcing rib for reinforcing the strength of the natural base material; and an edge part provided in the first mold or the compression molding part for reinforcing the strength of the bent part of the natural base material Wherein the edge forming part is provided so as to be movable inward of the first metal mold, and the upper end of the edge forming part is placed in the lower part of the natural substrate, And a through-the natural substrate secured to the base forming portion is characterized in that the member consists of a pipe-shaped so as to inject an injection fluid into an upper bent portion of the natural substrate.

It is preferable that the reinforcing rib forming unit is formed in the shape of a groove on the upper part of the substrate forming unit and connected to the injection liquid passage provided inside the first mold to supply the injection liquid.

Further, it is preferable that an operation unit for operating the compression-molding unit with respect to the second mold is provided between the second mold and the compression-molding unit.

It is preferable that the actuating unit comprises an actuator for causing the press-formed part to advance and retract with respect to the second mold, and an elastic member for elastically supporting the press-formed part against the second mold.

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According to the present invention, it is possible to reduce the cost and simplify the manufacturing process by forming the reinforcement portion and the structure for mounting by a single device in the process of pressing the natural base material when molding the interior material and injection molding the natural base material have.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing an automotive interior material molding apparatus according to one embodiment of the present invention. Fig.
Fig. 2 to Fig. 6 are views showing an operation process of the automotive interior material molding apparatus of Fig. 1; Fig.
Fig. 7 is a view showing a natural substrate interior material molded by the vehicle interior material molding apparatus shown in Fig. 1; Fig.
8 is a view showing a method of molding an automotive interior material according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a view showing an interior material molding apparatus for a vehicle according to an embodiment of the present invention, and FIGS. 2 to 6 are views showing an operation process of the interior material molding apparatus for a vehicle of FIG. FIG. 7 is a view showing a natural substrate interior material molded by the vehicle interior material molding apparatus of FIG. 1, and FIG. 8 is a view showing a method of molding an interior material for a vehicle according to an embodiment of the present invention.

As shown in the figure, the molding apparatus 100 for a vehicle interior material according to an embodiment of the present invention includes a first mold 110, a reinforcing rib forming unit 120, a second mold 130, (140), and an edge forming unit (150).

The first mold 110 constitutes a base material forming part 111 for molding the natural base material 101 into the shape of an interior material and is also referred to as a fixed mold. The base material forming portion 111 of the first metal mold 110 is formed in a convex shape to form a concave surface of the interior material.

A base material forming portion 111 is formed at a central portion of the first mold 110 and the upper surface of the base material forming portion 111 is formed in a convex shape.

The reinforcing rib forming part 120 is formed on the upper surface of the substrate forming part 111 formed in a convex shape of the first metal mold 110 to have a predetermined length and a predetermined width. Here, the reinforcing rib is for reinforcing the strength of the interior material formed only with the natural base material 101, and is formed on the inner surface of the interior material, that is, a portion corresponding to the surface attached to the vehicle, so as to reinforce the strength of the interior material.

The reinforcing rib forming unit 120 is connected to an injection liquid passage (gate) 121 provided inside the first mold 110 to supply the injection liquid.

The second mold 130 is reciprocally coupled to the upper side of the first mold 110 and has an operation groove 131 in which a base formed portion 111 protruding from the first mold 110 is inserted and operated, . The second mold 130 moves back and forth while the side surface of the substrate forming portion 111 protruding from the first mold 110 is sandwiched between both inner side surfaces of the operation groove 131.

The press forming unit 140 is movably coupled to the operating groove 131 of the second mold 130 to press the natural substrate 101 seated on the substrate forming unit 111 of the first mold 110, As shown in Fig.

The press forming unit 140 is configured to be moved toward the substrate forming unit 111 of the first mold 110 by a separate operation unit 141 provided in the operating groove 131 of the second mold 130 And a compression groove portion 142 whose lower end portion has a shape corresponding to the substrate molding portion 111 protruding from the first mold 110.

Here, the operation unit 141 may be constituted by a cylinder for moving the press-formed part 140 forward or backward relative to the second mold 130, or may be constituted by a cylinder for elastically supporting the press-formed part 140 with respect to the second mold 130 It may be constituted by an elastic member.

The edge forming unit 150 is formed by pressing the natural base material 101 placed on the base material forming unit 111 of the first metal mold 110 by pressing the compression mold 140 of the second metal mold 130, In order to improve the strength of the curved surface of the upper bending portion of the natural base material 101, the injection liquid is supplied to the edge portion 102 to mold the edge portion 102 to prevent the strength of the curved upper bending- do.

The edge forming unit 150 is vertically movable from the inside of the first mold 110 and has an upper end pointed at a lower side of the natural substrate 101, Is operated after the operation of the press forming section 140 and is configured to pass the natural base material 101 and inject the injection liquid to the upper part of the bent portion of the natural base material. That is, the edge forming unit 150 is formed in the form of a syringe and is formed at a lower end of the natural substrate 101 with an upper end pointed and then passes through the natural substrate 101, And injects the injection liquid to the negative side.

The edge forming part 150 may be formed in the compression molding part 140 and may be formed of a gate formed by an injection liquid forming passageway for supplying the injection liquid to the upper side of the curved part of the natural base material 101.

The interior material molding method according to one embodiment of the present invention having the above-described structure is as follows.

First, a state in which the second mold 130, which is a moving mold, is spaced apart from the upper portion of the first mold 110 in an opened state is referred to as an initial state.

Thereafter, the step of placing the natural base material 101, which has been cut to a size enough to be seated in the molding apparatus for molding the interior material, is placed on a part of the base material forming part formed on the first mold 110. S110)

In the natural substrate seating step (S110), the natural substrate (101) in the form of a roll is cut to a predetermined length to prepare the material. The natural base material placing step (S110) preheats the natural base material 101 with heat to smooth the molding of the natural base material 101.

Thereafter, the second mold 130 is operated to lower the press-formed portion 140 provided in the second mold 130 to press the natural base material 101 seated on the first mold 110 (S120)

The pressing step S120 moves the second mold 130 to the lower side of the first mold 110 and presses the natural substrate 101 seated on the first mold 110 by the press- .

At this time, the press forming unit 140 provided in the second mold 130 moves together with the second mold 130 toward the first mold 110, and the natural substrate 101, which is placed on the first mold 110, So as to be compressed. At this time, the natural base material 101 is squeezed to be bent in a shape conforming to the shape of the base material forming part of the first metal mold 110 by the compression molding part 140 provided in the second metal mold 130.

Accordingly, in this pressing step S120, the pressure-adhered press-formed part 140 is configured to move in the direction opposite to the moving direction of the second metal mold 130. [

After the pressing step S120, the operation of the press forming part 140 is stopped, and the operation of the second metal mold 130 is continued to cut a part of the natural base material 101 seated on the first metal mold 110 (S130)

The cutting step S130 is a step between lowering the first mold 110 and moving the inner surface of the operating groove 131 of the first mold 110 and the outer surface of the substrate forming part protruding from the second mold 130 The natural substrate 101 is cut.

After the cutting step S130, the reinforcing portion molding step is performed to form a reinforcing portion on the natural base material 101 to reinforce the rigidity of the natural base material 101. [

The reinforcing part forming step S140 is for reinforcing the strength of the back surface and the curved surface of the natural base material 101 and includes a reinforcing rib forming step S141 for forming the reinforcing rib 103 on the back surface of the natural base material 101, And an edge forming part 150 is operated to form an edge part 102 in the curved surface part of the natural base material 101 in order to improve the strength of the curved part of the natural base material 101 And an edge forming step S142.

In the reinforcing rib forming step S141, the injection liquid is supplied to the reinforcing rib forming part 120 of the second mold 130 through the injection liquid passage 121 of the first mold 110 to form the reinforcing rib 103 .

The edge forming step 142 may include an edge forming step of operating the edge forming part 150 provided in the first mold 110 and a step of forming an edge part of the natural substrate 101 through the edge forming part 150. [ And a supply step of supplying the injection liquid to the injection port (102).

The step of operating the edge forming part moves the edge forming part 150 upward so that the upper end of the edge forming part 150 is positioned above the natural base material 101 through the natural base material 101.

Here, both the reinforcing rib forming step S141 and the edge forming step S142 are performed by forming the edge portion 102 and the reinforcing rib 103 in order to reinforce the strength of the natural base material 101 by supplying the injection liquid. And may be performed regardless of the operation order or may be performed at the same time.

After the reinforcement forming step S140, a structure forming step 104 for forming a mounting structure 104 for mounting an interior material formed of the natural base material 101 on a vehicle is formed (S150).

The structure forming step S150 is a step of forming a mounting structure 104 made of an injection material on the bottom surface of the natural base material 101 corresponding to the surface of the vehicle, (S140). ≪ / RTI >

And a take-out step of taking out the inner material made of the natural base material molded in the base material forming part after the above-described structure forming step (S150).

The extracting step S160 includes a second mold opening step S161 for moving the second mold 130 as a moving mold upward to separate the second mold 130 from the first mold 110, (S162) of advancing the press-formed portion provided in the second mold to the first mold side after the first mold 130 is separated from the first mold 110, And a separation step (S163) for separating and extracting the interior material formed of the natural base material formed on the upper end of the one metal mold (110).

In the second mold opening step S161, the second mold 130 is operated to move to the opposite side of the first mold 110 so that the first mold 110 and the second mold 130, 140 are spaced apart from each other to expose the molded interior material on the upper portion of the first metal mold 110.

When the second mold 130 starts to be separated from the first mold 110, the operation of pressing the press-molding part S162 is performed after the second mold opening step S161 is activated. When the second mold 130 starts to be separated from the first mold 110, (140) is moved toward the opposite side to the moving direction of the second mold (130), that is, toward the first mold (110).

In the separation step S163, the inner mold formed on the upper part of the first mold 110 is pushed upward by operating the mic-fin provided on the first mold 110, And is taken out from the base material forming portion of the substrate.

As described above, the molded interior material taken out from the first mold 110 is trimmed by the operator, thereby completing the interior material made of the natural base material. That is, the operator cuts and separates a gate or the like formed integrally with the interior material and separated.

Therefore, according to the interior material molding apparatus and the molding method of the present invention as described above, it is possible to manufacture the interior material by pressing the natural material during the molding of the interior material, the reinforcing part by the injection molding, The cost can be reduced, and the manufacturing process can be simplified.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is understandable. Accordingly, the true scope of the present invention should be determined by the following claims.

100: Molding device
101: natural substrate 102: edge portion
103: reinforcing rib 104: mounting structure
110: first mold
111: base material forming section 112: injection liquid passage
120: reinforcing rib forming section 121: injection liquid passage
130: second mold 131: operating groove
140: compression forming section 141: operation unit
142:
150: Edge forming part

Claims (10)

A first metal mold on which a natural base material is seated and a base material molding part is protruded and formed to form an interior material;
A second mold movable on the upper side of the first mold so as to be movable and having an operation groove portion which is reciprocally moved by inserting the substrate molding portion on the lower side;
A pressing and forming unit movably provided in the operating groove of the second mold for pressing the natural base material seated on the first mold;
A reinforcing rib forming part formed in the substrate forming part and injection-molded on the natural substrate to form a reinforcing rib for reinforcing the strength;
And an edge forming part provided in the first mold or the compression molding part for forming an edge part for reinforcing the strength of the bent part of the natural base material,
The edge forming unit includes:
And a pipe-like shape for allowing the injection liquid to be injected into the upper portion of the bent portion of the natural base material through the natural base material placed on the base material forming portion after the upper end portion of the first base material is positioned at the lower portion of the natural base material. And a member for molding the interior material of the vehicle.
The method according to claim 1,
Wherein the reinforcing rib forming portion is formed in a groove shape on an upper portion of the substrate molding portion and connected to an injection liquid passage provided inside the first mold to supply the injection liquid.
The method according to claim 1,
Between the second mold and the press-formed portion,
And an operation unit for operating the press-molded part with respect to the second mold.
The method of claim 3,
The operation unit includes:
And an elastic member for elastically supporting an actuator or a compression-molded portion for causing the compression-molding portion to move back and forth with respect to the second mold. delete delete delete delete delete delete
KR1020150158357A 2015-11-11 2015-11-11 Manufacturing apparatus of interior for vehicle KR101795582B1 (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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KR101795582B1 true KR101795582B1 (en) 2017-11-09

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102031979B1 (en) * 2017-08-29 2019-10-14 주식회사 서연이화 Molding equipment for automotive interior materials
KR102003465B1 (en) * 2018-01-03 2019-10-01 카이스 주식회사 Manufacturing method for vehicle interior material using fiber material, and vehicle interior material manufactured by the method
KR102054897B1 (en) * 2018-06-08 2019-12-12 주식회사 서연이화 vehicle interior material forming apparatus and method of forming the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2582175Y2 (en) * 1992-10-08 1998-09-30 株式会社ヒロタニ Press forming equipment for automotive interior materials
JP2014172279A (en) * 2013-03-08 2014-09-22 Sato Tekkosho:Kk Molding method and molding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2582175Y2 (en) * 1992-10-08 1998-09-30 株式会社ヒロタニ Press forming equipment for automotive interior materials
JP2014172279A (en) * 2013-03-08 2014-09-22 Sato Tekkosho:Kk Molding method and molding apparatus

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