KR101770173B1 - Apparatus for manufacturing deco-sheet for furniture materials - Google Patents

Apparatus for manufacturing deco-sheet for furniture materials Download PDF

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Publication number
KR101770173B1
KR101770173B1 KR1020150121389A KR20150121389A KR101770173B1 KR 101770173 B1 KR101770173 B1 KR 101770173B1 KR 1020150121389 A KR1020150121389 A KR 1020150121389A KR 20150121389 A KR20150121389 A KR 20150121389A KR 101770173 B1 KR101770173 B1 KR 101770173B1
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KR
South Korea
Prior art keywords
embossing
roll
sheet
decor sheet
paper
Prior art date
Application number
KR1020150121389A
Other languages
Korean (ko)
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KR20170025226A (en
Inventor
이장섭
Original Assignee
(주)원진우드
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.)
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Priority to KR1020150121389A priority Critical patent/KR101770173B1/en
Publication of KR20170025226A publication Critical patent/KR20170025226A/en
Application granted granted Critical
Publication of KR101770173B1 publication Critical patent/KR101770173B1/en

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    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • 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 form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/14—Printing or colouring
    • B32B38/145—Printing
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • 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
    • B32B2479/00—Furniture

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a deco sheet for furniture, and more particularly, to an apparatus for manufacturing a deco sheet for furniture, in which embossing is formed on a deco sheet bonded to the surface of furniture or the like.
An apparatus for manufacturing a decorative sheet for furniture according to the present invention comprises: a supply roller on which paper is wound; A printing unit for forming a printing layer on an upper surface of the paper supplied from the feeding roller; A drying unit for drying the decorative sheet on which the printing layer is formed on the upper surface of the paper; An embossing portion for applying pressure to the dried decor sheet to form an embossing; And a take-up roller for winding the decor sheet on which the embossing is formed, wherein the embossing portion includes: an embossing roll having a first concave-convex portion formed on an outer circumferential surface thereof; A driving unit for rotating the embossing roll; The embossing roll being rotated in synchronism with the embossing roll and having an outer circumferential surface in contact with the embossing roll, wherein the decor sheet passes through between the embossing roll and the driven roll, The embossing is formed while the paper and the print layer of the decor sheet are deformed together.

Description

[0001] APPARATUS FOR MANUFACTURING DECO-SHEET FOR FURNITURE MATERIALS [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a deco sheet for furniture, and more particularly, to an apparatus for manufacturing a deco sheet for furniture, in which embossing is formed on a deco sheet bonded to the surface of furniture or the like.

The decorative sheet is for the purpose of protecting the surface of decorative materials such as wooden boards and decorating them, and is used by adhering them to the surface of furniture such as MDF.

Further, the decorative plate thus obtained is used for various construction materials, furniture and the like.

As such a decor sheet, for example, a laminate obtained by laminating a base sheet, a pattern layer, a synthetic resin layer or the like is used.

The decorative sheet usually forms a coating layer to protect its outermost surface.

Particularly, in order to improve abrasion resistance and scratch resistance, it is known that a coating layer is made of a thermosetting resin or a UV curable resin.

When embossing is formed on such a conventional decor sheet, conventionally, heated embossing rolls are used to heat the supplied decor sheet to form embossing.

Further, in the conventional decor sheet, the base sheet was made of synthetic resin rather than paper in order to prevent the decor sheet from being torn.

In addition, when the width of the decor sheet is wide, there is a problem that the decorative decor sheet is folded and the width of the decorative sheet to be manufactured is limited.

Korean Utility Model Registration No. 20-0269341

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a decorative sheet for furniture which can be embossed by forming an embossing by pressing without applying heat to the embossing roll, And an object of the present invention is to provide a manufacturing apparatus.

In order to achieve the above object, the present invention provides an apparatus for manufacturing a decorative sheet for furniture, comprising: a supply roller on which paper is wound; A printing unit for forming a printing layer on an upper surface of the paper supplied from the feeding roller; A drying unit for drying the decorative sheet on which the printing layer is formed on the upper surface of the paper; An embossing portion for applying pressure to the dried decor sheet to form an embossing; And a take-up roller for winding the decor sheet on which the embossing is formed, wherein the embossing portion includes: an embossing roll having a first concave-convex portion on an outer circumferential surface thereof; A driving unit for rotating the embossing roll; The embossing roll being rotated in synchronism with the embossing roll and having an outer circumferential surface in contact with the embossing roll, wherein the decor sheet passes through between the embossing roll and the driven roll, The embossing is formed while the paper and the print layer of the decor sheet are deformed together.

Wherein at least one of the embossing roll and the driven roll is in contact with each other due to an external force in a direction in which the embossing roll or the driven roll faces each other and the decor sheet passes through between the embossing roll and the driven roll, The embossing is formed.

Wherein the driven roll comprises a pulp roll in which a plurality of sheet pulps are laminated in the axial direction of the driven roll so that the cross section of the sheet pulp forms the outer peripheral surface of the driven roll.

Wherein the second concavo-convex portion is formed by plastic deformation of the outer peripheral surface of the driven roll by the first concavo-convex portion, and the second concavo-convex portion is formed on the outer circumferential surface of the driven roll by plastic deformation do.

The first concavo-convex portion is formed at an obtuse angle and the second concavo-convex portion is formed at a convex angle, and the circumferential length of the embossing roll and the circumferential length of the driven roll are natural numbers.

Both sides of the rotary shaft of the embossing roll are pushed in the direction of the driven roll so that the outer peripheral surface of the embossing roll and the outer peripheral surface of the driven roll are in mutual pressing contact with each other.

And a guide roll positioned in front of the embossed portion and guiding the decor sheet while contacting an outer circumferential surface of the decor sheet. The outer circumferential surface of the guide roll is formed with a spiral groove into which air flows.

And a guide roll which is positioned in front of the embossing portion and guides the decor sheet while the outer circumferential surface contacts the decor sheet. The guide roll is formed in a shape protruding from the both sides of the guide roll.

A load cell for sensing a tensile force of the decorative sheet being conveyed; And a controller for controlling the driving unit according to the tension of the decor sheet detected by the load cell.

Further, the present invention may further comprise a coating unit disposed between the printing unit and the drying unit to form a coating layer on the upper surface of the printing layer, wherein the decor sheet comprises paper, a printing layer, and a coating layer, The embossing portion may deform both the paper, the printing layer and the coating layer constituting the decor sheet to form the embossing.

According to another aspect of the present invention, there is provided a decorative sheet for furniture, comprising: paper; And a printing layer printed on the upper surface of the paper, wherein the paper and the printing layer are both deformed and embossed.

The decor sheet may further include a coating layer applied to the upper surface of the print layer, wherein the paper, the print layer, and the coating layer are deformed together to form embossing.

The decor sheet is produced by the manufacturing apparatus of any one of claims 1 to 9.

According to the apparatus for manufacturing a decor sheet for furniture according to the present invention as described above, the following effects can be obtained.

The paper, the print layer and the coating layer constituting the decor sheet can be deformed together to form embossing without applying heat by the pressing force between the embossing roll and the driven roll.

Also, it is eco-friendly because it uses paper.

Further, the decorative sheet moved by the guide roll or the like is spread flat without being folded, so that the width of the decorative sheet to be produced can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram of an apparatus for manufacturing a decor sheet for furniture according to an embodiment of the present invention;
2 is a perspective view of an embossed portion according to an embodiment of the present invention,
Fig. 3 is a cross-sectional structure taken along line AA of Fig. 2,
Fig. 4 is a cross-sectional structural view taken along line BB in Fig. 2,
5 is a perspective view and a sectional structure view of a guide roll according to an embodiment of the present invention,

2 is a perspective view of an embossed portion according to an embodiment of the present invention, FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2, and FIG. FIG. 4 is a cross-sectional view taken along line BB of FIG. 2, and FIG. 5 is a perspective view and a cross-sectional view of a guide roll according to an embodiment of the present invention.

1, the apparatus for manufacturing a decorative sheet for furniture according to the present invention comprises a supply roller 10, a printing unit 20, a coating unit 25, a drying unit 30, an embossing unit 40, a winding roller 50, a guide roll 60, and the like.

On the feeding roller 10, a paper 81 is wound in a roll form.

The printing unit 20 forms printing layers 82 of various colors on the upper surface of the paper 81 fed from the feeding roller 10.

The coating part 25 forms a coating layer 83 made of various synthetic resins on the upper surface of the printing layer 82.

The drying unit 30 dries the decorative sheet 80 on which the printing layer 82 and the coating layer 83 are formed.

The embossing unit 40 applies pressure to the decor sheet 80 dried by the drying unit 30 to form an embossing 85.

The embossing portion 40 of the present invention forms an embossing 85 on the decor sheet 80 by the pressure without applying heat.

As shown in FIGS. 2 to 4, the embossing unit 40 includes an embossing roll 41, a driving unit 42, and a driven roll 43.

The embossing roll 41 is formed in a cylindrical shape, and a first concavo-convex portion 41a is formed on the outer circumferential surface.

The driving unit 42 includes a driving motor or the like, and rotates the embossing roll 41.

The driven roll 43 is rotated synchronously with the embossing roll 41, and the outer circumferential surface thereof contacts the embossing roll 41.

The embossing roll 41 and the driven roll 43 are gear-engaged to rotate the driven roll 43 in synchronism with the embossing roll 41.

The decor sheet 80 is passed by the embossing unit 40 between the embossing roll 41 and the driven roll 43 which are in contact with each other and the first concave- The printing layer 82 and the coating layer 83 are deformed together to form the embossing 85 of various shapes.

At this time, any one or more of the embossing roll 41 or the driven rollers 43 are pressed against each other by an external force acting in a direction facing each other, whereby the decorating sheet 80 is pressed against the embossing rolls 41 and the driven roll 43, the embossing 85 is formed by the pressing pressure of the first concave-convex portion 41a.

The second concavo-convex portion 43a is formed on the outer circumferential surface of the driven roll 43 by the first concavo-convex portion 41a when the convexo-concave portion 41a is pressed against the embossing roll 41. [

At this time, the second concave-convex portion 43a is formed by plastic deformation of the outer peripheral surface of the driven roll 43 by the first concave-convex portion 41a.

That is, the second concave-convex portion 43a is formed by the first concave-convex portion 41a, and is not restored to its original shape after being formed.

In the present embodiment, the first concave-convex portion 41a is formed at a negative angle, and the second concave-convex portion 43a is formed at a convex angle.

By forming the first concave-convex portion 41a at an oblique angle as described above, it is easier to form the first concave-convex portion 41a than to form the first concave-convex portion 41a in the embossing roll 41 made of a metal roll.

The driven roll 43 may be made of various materials and structures. In this embodiment, the driven roll 43 is formed by pressing a plurality of sheet pulps in the axial direction of the driven roll 43, And a pulp roll forming an outer circumferential surface of the driven roll (43).
That is, as shown in FIG. 2, the driven roll 43 is configured such that a section forming the rim of the sheet pulp is continuously and pressure-laminated in the axial direction of the driven roll 43, And a pulp roll forming an outer circumferential surface.

The second uneven portion 43a is formed by the first uneven portion 41a of the driven roll 43 so that the driven roll 43 remains in the plastic deformation state.

The circumferential length of the embossing roll 41 and the circumferential length of the driven roll 43 are made to be a ratio of a natural number so that the distance between the first concaved and convex portions 41a formed on the embossing roll 41 and the driven roll 41, So that the second concave-convex portion 43a formed on the second concave portion 43 can be accurately and accurately repeated while being rotated.

That is, the circumferential length of the embossing roll 41 and the circumferential length of the driven roll 43 are set to natural numbers such as 1: 1, 1: 2, 2 concave / convex portions 43a can be rotated accurately with respect to each other.

Both sides of the rotary shaft 41b of the embossing roll 41 are rotated in the direction of the driven roll 43 so that the outer peripheral surface of the embossing roll 41 and the outer peripheral surface of the driven roll 43 are in pressure contact with each other .

2, a supporting plate 45 for rotatably supporting the embossing roll 41 and the driven roll 43 on both sides of the embossing roll 41 and the driven roll 43, Is installed.

The supporting plate 45 is formed with a long hole 46 and the rotating shaft 41b of the embossing roll 41 is inserted into the slot 46 and movably mounted in the direction of the driven roll 43.

Therefore, when the rotary shaft 41b of the embossing roll 41 is pushed toward the driven roll 43 by using a separate push mechanism (not shown), the rotary shaft 41b of the embossing roll 41 is rotated (46) and pressed against the outer peripheral surface of the driven roll (43).

4 (a), both sides of the rotary shaft 41b of the embossing roll 41 are moved to the driven roll 43 (FIG. 4 (b)) in a state where the embossing roll 41 and the driven roll 43 are arranged in parallel, The center portion of the embossing roll 41 can not move due to the driven roll 43 and the center portion of the embossing roll 41 can be moved to both sides of the rotation axis 41b of the embossing roll 41 The embossing roll 41 is bent convexly as the force is concentrated.

Therefore, the outer circumferential surface of the embossing roll 41 and the outer circumferential surface of the driven roll 43 may be separated from each other without being closely contacted with each other, thereby causing embossing on the decor sheet 80.

In order to prevent this, in the present invention, the central portion of the driven roll 43 protrudes more than both side ends.

4 (c), the central portion of the driven roll 43 is convexly projected from both sides in the present invention, so that even if both sides of the embossing roll 41 are bent by an external force, 41 and the outer circumferential surface of the driven roll 43 can be brought into pressure contact and close contact with each other.

This allows the embossing 85 to be better formed in the decor sheet 80 passing between the embossing roll 41 and the driven roll 43.

The winding roller 50 winds the decor sheet 80 on which the embossing 85 is formed by the embossing portion 40 in the form of a roll.

The guide roll 60 is positioned in front of the embossed portion 40 so that the outer circumferential surface of the guide roll 60 contacts the decor sheet 80 to guide the decor sheet 80.

At this time, a spiral groove 61 through which air flows is formed on the outer circumferential surface of the guide roll 60.

When the outer circumferential surfaces of the decor sheet 80 and the guide roll 60 come into contact with each other by the helical grooves 61, the air existing therebetween can easily move through the helical grooves 61 In the case of the wide decor sheet 80, part of the deco sheet 80 can be moved in a state in which it is partially folded or unfolded as a whole without being protruded by air bubbles or the like.

In addition, the guide roll 60 is formed such that the central portion thereof protrudes more convexly than both sides.

Therefore, even when the width of the decor sheet 80 is wide, the both sides of the decor sheet 80 can be moved while being flatly spread along the guide rolls 60 without being folded.

At this time, the decor sheet (80) is pressed in the direction of the guide roll (60) so as to be in surface contact with the outer circumferential surface of the guide roll (60).

Meanwhile, the present invention may further include a load cell 71 and a control unit (not shown).

The load cell 71 senses the tensile force of the decor sheet 80 to be conveyed.

The control unit controls the rotation speed of the driving unit 42 according to the tension of the decor sheet 80 sensed by the load cell 71.

By the load cell 71 and the control unit, the decor sheet 80 can be moved in a state in which the decor sheet 80 is spread.

In addition, in the manufacturing apparatus of the present invention, the decor sheet 80, to which an EPC (Edge Position Control) roller (not shown) is additionally attached, can be moved to both sides without being twisted.

The decorative sheet 80 for furniture material of the present invention manufactured by such a manufacturing apparatus comprises a paper 81, a printing layer 82 printed on the upper surface of the paper 81, And a coating layer 83 applied on the upper surface.

The embossing 85 is formed while the paper 81, the print layer 82, and the coating layer 83 are all deformed together by the embossing portion 40.

Although the manufacturing apparatus of this embodiment has been described in which the coating section 25 is used as a component, the coating section 25 for forming the coating layer may not be provided in some cases.

The decor sheet 80 includes a paper 81 and a printing layer 82 without the coating layer 83 and the embossing 85 is formed by deforming the paper 81 and the printing layer 82 together .

The apparatus for manufacturing a decor sheet for furniture according to the present invention is not limited to the above-described embodiments, but can be variously modified and embodied within the scope of the technical idea of the present invention.

10: feeding roller, 20: printing unit, 25: coating unit, 30: drying unit,
The present invention relates to an embossing roll having a plurality of embossing rolls and a method of manufacturing the same.
50: a take-up roller,
60: guide roll, 61: groove,
71: Load cell,
80: Deco sheet, 81: Paper, 82: Printing layer, 83: Coating layer, 85: Embossing.

Claims (13)

A feed roller on which paper is wound;
A printing unit for forming a printing layer on an upper surface of the paper supplied from the feeding roller;
A drying unit for drying the decorative sheet on which the printing layer is formed on the upper surface of the paper;
A guide roll for guiding the decor sheet while the outer circumferential surface is in contact with the decor sheet;
An embossing portion for applying pressure to the dried decor sheet to form an embossing;
And a winding roller for winding the decor sheet on which the embossing is formed,
Wherein a spiral groove is formed in the outer circumferential surface of the guide roll to allow air to flow therebetween when the outer circumferential surface of the guide roll and the decor sheet are in contact with each other,
Wherein the embossing portion includes:
An embossing roll having a first concave-convex portion formed on an outer circumferential surface thereof; A driving unit for rotating the embossing roll; And a driven roll rotating in synchronism with the embossing roll and having an outer peripheral surface in contact with the embossing roll,
Wherein at least one of the embossing roll and the driven roll is in mutual pressure contact with an external force acting in a direction facing each other,
Wherein the driven roll is composed of a pulp roll in which a plurality of sheet pulps are laminated in the axial direction of the driven roll and the cross sections forming the rim of the sheet pulp are continuously arranged to form an outer peripheral surface of the driven roll,
The outer circumferential surface of the driven roll is plastically deformed by the first concavo-convex portion during the pressing contact with the embossing roll to form a second concavo-convex portion,
Wherein the decor sheet is formed by embossing while the paper and the print layer of the decor sheet are deformed together by the pressing pressure of the first concavo-convex part while passing between the embossing roll and the driven roll, A device for manufacturing a decorative deco sheet. delete delete delete The method according to claim 1,
Wherein the first concavo-convex portion is formed at an oblique angle and the second concavo-
Wherein the circumferential length of the embossing roll and the circumferential length of the driven roll are in a ratio of a natural number. The method according to claim 1,
The embossing roll is pushed in the direction of the driven roll on both sides of the rotation axis of the embossing roll so that the outer peripheral surface of the embossing roll and the outer peripheral surface of the driven roll are brought into pressure contact with each other,
Wherein the driven roll has a central portion protruding more convexly than both sides. delete The method according to claim 1,
Wherein the guide rolls are formed in such a shape that a central portion thereof protrudes more convexly than both sides. The method according to claim 1,
A load cell for sensing a tensile force of the decorative sheet being conveyed;
And a controller for controlling the driving unit according to the tension of the decor sheet detected by the load cell. The method according to claim 1,
And a coating unit disposed between the printing unit and the drying unit to form a coating layer on an upper surface of the printing layer,
Wherein the decor sheet comprises paper, a printing layer and a coating layer,
Wherein the embossing portion deforms the paper, the print layer, and the coating layer of the decor sheet together to form the embossment. delete delete delete
KR1020150121389A 2015-08-28 2015-08-28 Apparatus for manufacturing deco-sheet for furniture materials KR101770173B1 (en)

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KR1020150121389A KR101770173B1 (en) 2015-08-28 2015-08-28 Apparatus for manufacturing deco-sheet for furniture materials

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Application Number Priority Date Filing Date Title
KR1020150121389A KR101770173B1 (en) 2015-08-28 2015-08-28 Apparatus for manufacturing deco-sheet for furniture materials

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KR101770173B1 true KR101770173B1 (en) 2017-08-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200123332A (en) * 2019-04-18 2020-10-29 청파제지 주식회사 Bonding Device of Composite-Material Tissue

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000153564A (en) 1998-11-19 2000-06-06 Masaru Endo Manufacturing facility for embossed product
KR200187892Y1 (en) * 2000-02-03 2000-07-15 한화종합화학주식회사 Decoration sheet
JP2010149483A (en) * 2008-12-26 2010-07-08 Dainippon Printing Co Ltd Embossing device, and method of manufacturing worked article

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200269341Y1 (en) 2001-12-17 2002-03-21 백은하 A embossing device for wet type polyurethane coating film

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000153564A (en) 1998-11-19 2000-06-06 Masaru Endo Manufacturing facility for embossed product
KR200187892Y1 (en) * 2000-02-03 2000-07-15 한화종합화학주식회사 Decoration sheet
JP2010149483A (en) * 2008-12-26 2010-07-08 Dainippon Printing Co Ltd Embossing device, and method of manufacturing worked article

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200123332A (en) * 2019-04-18 2020-10-29 청파제지 주식회사 Bonding Device of Composite-Material Tissue
KR102200006B1 (en) 2019-04-18 2021-01-11 청파제지 주식회사 Bonding Device of Composite-Material Tissue

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