KR20150031857A - Injection mold apparatus - Google Patents

Injection mold apparatus Download PDF

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Publication number
KR20150031857A
KR20150031857A KR20130111592A KR20130111592A KR20150031857A KR 20150031857 A KR20150031857 A KR 20150031857A KR 20130111592 A KR20130111592 A KR 20130111592A KR 20130111592 A KR20130111592 A KR 20130111592A KR 20150031857 A KR20150031857 A KR 20150031857A
Authority
KR
South Korea
Prior art keywords
mold
shape
shape portion
guide
refrigerator
Prior art date
Application number
KR20130111592A
Other languages
Korean (ko)
Inventor
고재홍
김석환
반수형
이상민
심재형
Original Assignee
삼성전자주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR20130111592A priority Critical patent/KR20150031857A/en
Publication of KR20150031857A publication Critical patent/KR20150031857A/en

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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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/428—Mould constructions; Mould supporting equipment
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0022—Multi-cavity moulds
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/308—Adjustable moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators

Abstract

Disclosed is a molding apparatus which can be commonly used for each size of products and can improve productivity. The molding device comprises: a mold including a first shape unit and a second shape unit corresponding to an inner case of a refrigerator case; and a variable lego block formed to slide in inner and outer directions of a mold between the first shape unit and the second shape unit to change the size of the mold.

Description

{INJECTION MOLD APPARATUS}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a mold apparatus capable of sharing a product size.

Generally, a refrigerator includes a main body having a front opening and a storage room inside, and a door installed on a front surface of the main body to open and close the opened front.

The main body includes a trauma formed on the outside, an internal surface provided inside the trauma so that the internal space forms a storage chamber, and a foamed insulation disposed between the internal and external surfaces for the purpose of insulating the storage chamber.

Such an inner surface can be produced through a vacuum forming method in which a plate material of a plastic material is vacuum-adsorbed onto the surface of a metal mold. That is, the plastic sheet material in a heated state is vacuum-adsorbed on the outer surface of a mold provided to have an inner surface shape of the storage chamber, so that the inner storage space is formed to form a housing shape to form a storage chamber.

However, such a vacuum molding method can mold an injection product of one model and a size in one mold apparatus, resulting in an increase in the production cost and deterioration of productivity.

One aspect of the present invention provides a mold apparatus capable of increasing the productivity of a product by allowing a common use for each product size.

Another aspect of the present invention provides a mold apparatus capable of reducing the production cost and the cost of the product.

The mold apparatus according to an embodiment of the present invention includes a mold including a first shape portion and a second shape portion corresponding to an inner surface of a refrigerator case, and a first shape portion and a second shape portion that can vary the size of the mold, And a variable leg hole block slidably moved in the inward and outward directions of the mold between the shape portions.

The variable liquefaction block may include a body portion movably provided in the width direction of the metal mold, and a first moving unit configured to move the body portion.

The body may include a first body and a second body that are symmetrically provided to form left and right sides of the metal mold, and the first body and the second body are respectively configured to move in a radial direction .

The first moving unit may include a first actuator installed on the mold and slidably driving the first actuator, a sliding plate connected to the first actuator to slide and moving, a sliding guide provided on the sliding plate to move the body, And a guide protrusion provided on the body portion to correspond to the sliding guide.

The first moving unit may include a radial guide slot formed in the first body and the second body and a guide slot formed in the mold to guide movement of the first body and the second body, And a guide support portion.

The mold further includes a second moving unit provided to move between the first shape unit and the second shape unit.

Further, the second moving unit may include a moving plate provided to move at least one of the first shape portion and the second shape portion, and at least one of the first shape portion and the second shape portion, And a second actuator slidably driving between the moving plate and the fixed plate.

The mold includes a first mold for forming a refrigerating chamber of the refrigerator and a second mold for forming a freezing chamber of the refrigerator, wherein the variable liquefaction block includes at least one of the first mold or the second mold And is provided in one.

According to the embodiment of the present invention, it is possible to share each product size, thereby increasing the productivity.

In addition, the production cost can be reduced by shortening the production cycle.

1 is an exploded perspective view schematically showing a refrigerator according to an embodiment of the present invention,
2 is a schematic view of a mold apparatus for a refrigerator according to an embodiment of the present invention,
3 is a schematic view of a mold apparatus for a refrigerator in which a variable leno block is installed according to an embodiment of the present invention,
4 is a view schematically showing a mold apparatus provided with a variable lager block according to an embodiment of the present invention,
5 is a view schematically showing a second moving unit of the mold apparatus according to the embodiment of the present invention,
6 is an exploded perspective view schematically showing a variable leg length block according to an embodiment of the present invention,
7 to 8 are views schematically showing the operation of a variable lager block according to an embodiment of the present invention.

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

2 is a schematic view of a mold apparatus for a refrigerator according to an embodiment of the present invention. FIG. 3 is a cross-sectional view of a variable leno block according to an embodiment of the present invention. Fig. 4 is a view schematically showing a mold apparatus provided with a variable lager block according to an embodiment of the present invention. Fig. 5 is a sectional view of a mold apparatus for a refrigerator according to the second embodiment And schematically showing the mobile unit.

1 to 5, the refrigerator 1 includes a main body 5 having a storage chamber opened frontward, and a door 4 which is openably and closably coupled to an opened front face of the main body 5 do.

The storage room of the main body 5 includes an upper freezing chamber 2a and a lower refrigerating chamber 2b and includes a freezing chamber door 4a and a refrigerating chamber door 4b for opening and closing the freezing chamber 2a and the refrigerating chamber 2b, May be provided.

The main body 5 has an outer shape 3 made of a metal which forms the outer side and an inner cavity 2 made of a plastic material in which the inner space forms the freezing chamber 2a and the refrigerating chamber 2b, 3) and the inner surface (not shown).

The inner space 2 has a first space portion 6a in which the inner space forms the freezing chamber 2a and a second space portion 6b in which the inner space forms the refrigerating chamber 2b, And a flange portion 6c.

The inner surface 2 can be formed by vacuum-adsorbing a sheet (not shown) made of a plastic material on the outer surface of the mold apparatus 10, the outer surface of which forms the same shape as the inner surface of the inner surface 2.

The mold apparatus 10 for forming the inner product 2 is provided such that its outer surface forms a shape corresponding to the inner surface of the inner container 2 forming the storage chamber. That is, the first metal mold 20 is provided so as to form a shape corresponding to the first spatial part 6a of the inner container 2 and the second metal part 20b of the inner space 2 to form a shape corresponding to the second spatial part 6b of the inner container 2 And a second mold 30 provided thereon.

A plurality of air holes (not shown) are formed in the mold apparatus 10, and the air between the sheet and the mold, which is provided for forming the inner surface of the refrigerator 1 through the air holes, is removed and vacuum adsorbed. (2) of the refrigerator (1) which is formed in an outer shape of the refrigerator (1).

The second mold 30 provided to form the refrigerating chamber of the refrigerator 1 includes a first shape portion 31 provided on the upper side and a second shape portion 32 provided on the lower side, .

A variable shape movable between the first and second shapes 31 and 32 so as to be movable from the inside to the outside of the mold apparatus 10 so as to vary the size of the second mold 30 A lego block 40 may be provided.

In the present embodiment, the variable lag block 40 is provided in the second mold 30 forming the refrigerator compartment 2b, but the concept of the present invention is not limited thereto. For example, the variable liquefaction block 40 may be provided in the first mold 20 forming the freezing chamber 2a of the refrigerator 1. [

The second mold 30 having the first mold 20, the first shape 31 and the second shape 32 may be provided on the upper side of the receiving unit 11 for the convenience of operation. have.

The first shape portion 31 and the second shape portion 32 of the second metal mold 30 which are provided so as to be variable by the variable liquefaction block 40 are connected to each other by the second movement unit 60, So that the variable lyso block 40 can be inserted between the first shape portion 31 and the second shape portion 32. As a result,

The second moving unit 60 includes a moving plate 62 fixed to the first shape 31 and moving the first shape 31 and a second shape fixed to the second shape 32, And a second actuator 61 provided between the moving plate 62 and the fixed plate 63 so that the moving plate 62 is slidably driven.

The second actuator 61 may include a first connecting portion 61a having one end fixed to the fixed plate 63 and a second connecting portion 61b having the other end fixed to the moving plate 62 .

At this time, the second connecting portion 61b is connected to the moving plate 62 so as to be slidably movable from the second actuator 61.

The second moving unit 60 may further include a moving rail 65 and a moving roller 66 provided so that the moving plate 62 can be smoothly moved. The moving rail 65 may be disposed on the fixed plate 63 in the longitudinal direction of the refrigerator 1 and the moving roller 66 may be disposed on the moving plate 62 to correspond to the moving rail 65. [

When the second actuator 61 is operated, the second connecting portion 61b connected to the second actuator 61 is slidably moved away from the second actuator 61 and the moving plate 61b connected to the second connecting portion 61b 62 and the first mold 31 and the first mold 20 which are fixed to the moving plate 62 move away from the second shape portion 32.

At this time, the variable lager block 40 moves from the inside to the outside of the mold apparatus 10 to connect the first shape portion 31 and the second shape portion 32, and the variable lager block 40 The size and length L1 of the second mold 30 become large.

Although the moving plate 62 is fixed to the first shape portion 31 in this embodiment, the idea of the present invention is not limited to this. For example, the moving plate 62 may be fixed to the second shape portion 32 so that the second shape portion 32 is moved.

The second moving unit 60 for sliding the first shape portion 31 and the second shape portion 32 is preferably controlled by a control unit 12 provided in the receiving unit 11. [

FIG. 6 is an exploded perspective view schematically showing a variable lager block according to an embodiment of the present invention, and FIGS. 7 to 8 are views schematically showing the operation of a variable lager block according to an embodiment of the present invention.

As shown in FIG. 6, the variable limestone block 40, which is slidably movable inward and outward between the first shape portion 31 and the second shape portion 32 so as to vary the size of the mold, A body part 41 provided to be movable in the direction of the width L2 of the second mold 30 and a first moving unit 50 provided to move the body part 41. [

The body part 41 includes a first body 41a and a second body 41b, which are formed to form left and right side surfaces. The first body 41a and the second body 41b are preferably formed symmetrically.

The first body 41a and the second body 41b are movable in the radial direction, i.e., from the inside to the outside of the mold. The first moving unit 50 for moving the first body 41a and the second body 41b includes a first actuator 51 provided in the mold apparatus 10 and a second actuator 51 connected to the first actuator 51 A sliding guide 53 provided on the sliding plate 52 for moving the body portion 41 and a guide provided on the body portion 41 so as to correspond to the sliding guide 53, And includes a projection 42.

The first body 41a and the second body 41b may include a mounting surface 40a provided in a plate shape and a rim portion 40b provided on the outer side of the mounting surface 40a.

At this time, the rim portion 40b of the first body 41a and the second body 41b is formed to have a shape corresponding to the connection between the first shape portion 31 and the second shape portion 32 Do.

Guide slots (43) and guide protrusions (42) are formed radially on the upper, lower, right, and left corners of the mounting surface (40a).

It is preferable that the first actuator 51 is disposed on the inner surface of the first shape portion 31.

When the first actuator 51 is driven, the slider 51a connected to the first actuator 51 moves and the sliding plate 52 connected to the slider 51a moves.

The sliding plate 52 may be formed in a plate shape, and a sliding guide 53 protruding outwardly is provided at upper, lower, right, and left ends.

A guide support part 44 may be formed on the inner surface of the first shape part 31 so that the guide slot 43 of the body part 41 can be fitted.

The guide support part 44 is provided so as to guide the movement of the first body 41a and the second body 41b in correspondence with the guide slot 43. [

A sliding rod 55 is fixed to the first shape portion 31 so as to guide the movement of the sliding plate 52 to both sides of the first actuator 51, A sliding support 56 having a through hole 56a is provided so that the rod 55 can be inserted.

Therefore, when the first actuator 51 is operated under the control of the control unit 12, the sliding plate 52 moves and the sliding guide 53 of the sliding plate 52 moves to the guide projection The first body 41a and the second body 41b move in the radial direction outside the mold apparatus 10, respectively.

The first body 41a and the second body 41b are guided by the guide support portion 44 of the first shape portion 31 and the guide slot 43 formed on the installation surface 40a is moved.

On the other hand, a shape (not shown) for forming a duct portion of the refrigerator 1 is provided on the upper surface of the first shape portion 31 of the second metal mold 30 so as to extend toward the second shape portion 32, Which is formed by the movement of the first body 41a and the second body 41b of the second body 40. [

The variable limb block 40, which is movable from the inside to the outside of the mold so as to be disposed between the first shape part 31 and the second shape part 32, It is possible to form refrigerator inner surfaces 2 having various sizes, so that it is possible to share the product according to the size of the product, so that the productivity of the product can be increased.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but variations and modifications may be made without departing from the scope of the present invention. And can be replaced, modified and replaced.

1: Refrigerator 2: Inside
3: trauma 10: mold device
20: first mold 30: second mold
31: first shape portion 32: second shape portion
40: variable leg length block 41:
42: guide protrusion 43: guide slot
44: guide support part 50: first moving unit
51: first actuator 52: sliding plate
53: sliding guide 60: second moving unit
61: second actuator 62: moving plate
63: Fixing plate

Claims (8)

A mold including a first shape portion and a second shape portion corresponding to the inner surface of the refrigerator case;
And a variable leg hole block slidably movable in the inward and outward directions of the mold between the first shape portion and the second shape portion so as to vary the size of the mold. The method according to claim 1,
Wherein the variable lego-
A body portion provided movably in a width direction of the metal mold,
And a first moving unit provided to move the body part. 3. The method of claim 2,
The body part
And a first body and a second body symmetrically provided to form left and right side surfaces of the mold,
Wherein the first body and the second body are arranged to move radially, respectively. 3. The method of claim 2,
The first mobile unit includes:
A first actuator mounted on the mold and slidably driven,
A sliding plate connected to the first actuator and slidingly moved,
A sliding guide provided on the sliding plate to move the body,
And a guide protrusion provided on the body portion to correspond to the sliding guide. 5. The method of claim 4,
The first mobile unit includes:
A radial guide slot formed in the first body and the second body,
Further comprising: a guide support portion coupled to the guide slot, the guide support portion being mounted on the mold to guide movement of the first body and the second body. The method according to claim 1,
The mold includes:
And a second moving unit arranged to move between the first shape part and the second shape part. The method according to claim 6,
The second mobile unit includes:
A moving plate provided to move at least one of the first shape portion and the second shape portion,
A fixing plate fixed to at least one of the first shape portion and the second shape portion,
And a second actuator slidably driving between the moving plate and the fixed plate. The method according to claim 1,
The mold includes:
A first mold for forming a refrigerating chamber of the refrigerator,
And a second mold for forming a freezing chamber of the refrigerator,
Wherein the variable leg hole block is provided in at least one of the first mold and the second mold.
KR20130111592A 2013-09-17 2013-09-17 Injection mold apparatus KR20150031857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130111592A KR20150031857A (en) 2013-09-17 2013-09-17 Injection mold apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130111592A KR20150031857A (en) 2013-09-17 2013-09-17 Injection mold apparatus

Publications (1)

Publication Number Publication Date
KR20150031857A true KR20150031857A (en) 2015-03-25

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Family Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190070476A (en) * 2017-12-13 2019-06-21 류지홍 Driving method of jig for refrigerator door manufacture of various size
CN110435052A (en) * 2019-08-02 2019-11-12 安徽万朗磁塑股份有限公司 A kind of refrigerator lining door seal card slot mould stripper apparatus
KR102106302B1 (en) * 2018-10-23 2020-05-04 (주)은광기전 Foam mold of refrigerator case with variable length
KR102299591B1 (en) * 2020-04-28 2021-09-08 에이테크솔루션(주) Foam mold capable of changing model

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190070476A (en) * 2017-12-13 2019-06-21 류지홍 Driving method of jig for refrigerator door manufacture of various size
KR102106302B1 (en) * 2018-10-23 2020-05-04 (주)은광기전 Foam mold of refrigerator case with variable length
CN110435052A (en) * 2019-08-02 2019-11-12 安徽万朗磁塑股份有限公司 A kind of refrigerator lining door seal card slot mould stripper apparatus
CN110435052B (en) * 2019-08-02 2021-07-06 安徽万朗磁塑股份有限公司 Refrigerator inside lining door seals draw-in groove mould shedder
KR102299591B1 (en) * 2020-04-28 2021-09-08 에이테크솔루션(주) Foam mold capable of changing model

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