WO2010113310A1 - Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system - Google Patents

Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system Download PDF

Info

Publication number
WO2010113310A1
WO2010113310A1 PCT/JP2009/056888 JP2009056888W WO2010113310A1 WO 2010113310 A1 WO2010113310 A1 WO 2010113310A1 JP 2009056888 W JP2009056888 W JP 2009056888W WO 2010113310 A1 WO2010113310 A1 WO 2010113310A1
Authority
WO
WIPO (PCT)
Prior art keywords
mark
decorative sheet
defect
longitudinal
mold
Prior art date
Application number
PCT/JP2009/056888
Other languages
French (fr)
Japanese (ja)
Inventor
裕 福島
野口 哲
藤井 憲太郎
朗 早田
Original Assignee
日本写真印刷株式会社
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 日本写真印刷株式会社 filed Critical 日本写真印刷株式会社
Priority to PCT/JP2009/056888 priority Critical patent/WO2010113310A1/en
Publication of WO2010113310A1 publication Critical patent/WO2010113310A1/en

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14827Injection 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 using a transfer foil detachable from the insert
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14008Inserting articles into the mould
    • B29C45/14016Intermittently feeding endless articles, e.g. transfer films, to the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14Injection 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
    • B29C45/14065Positioning or centering articles in the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76003Measured parameter
    • B29C2945/76083Position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76177Location of measurement
    • B29C2945/76254Mould
    • B29C2945/76257Mould cavity
    • B29C2945/7626Mould cavity cavity walls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76344Phase or stage of measurement
    • B29C2945/76448Others
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76451Measurement means
    • B29C2945/76461Optical, e.g. laser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76568Position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76822Phase or stage of control
    • B29C2945/76926Others
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76929Controlling method
    • B29C2945/76933Open loop, i.e. the operating conditions are corrected immediately, during the same phase or cycle

Abstract

The simultaneous inmold decoration apparatus prevents simultaneous inmold decoration using a pattern having defects included in a decorative sheet, and as a result, improves yielding of decorative molded articles. To do so, an examining device (10) optically examines whether or not the pattern (91) of the decorative sheet (71) has a defect. In addition, a decorative sheet (71a) having a defect mark (86a) applied corresponding to a defective pattern (91N) is used. The defective pattern is skipped based on the defective mark by the apparatus (1) not to make alignment to prevent use of the defective pattern in simultaneous inmold transfer.

Description

Mold decorating apparatus, the decorative sheet and the molded simultaneously decorating system,

The present invention relates to registration and defect management technique of the decorative sheet to be used in-mold decorating apparatus for performing decoration using a decorative sheet to a resin molded product.

As a method for decorating the surface of the resin molded article, there is a mold decorating method using a decorative sheet formed on the surface of the base sheet and the transfer material.

The mold decorating method, on a substrate sheet, sandwiching a decorative sheet obtained by forming a transfer layer on the molding die, and injecting a molten resin into the mold, at the same time cooling to as obtaining the resin molded article after bonding the decorative sheet to the surface of the molded article, and peeled off the base sheet, a method for performing decoration by transferring a transfer layer to the transfer target surface. Mold decorating method is characterized in that it can be formed directly pattern by a printing method to form a pattern even moldings difficult shapes.

Incidentally, the decorative sheet to be used in-mold decorating is usually peeling layer in gravure printing on the surface of a base sheet such as polycarbonate, pattern layer, with elongate roll transfer layer has been printed, and the like adhesive layer It is configured.

However, the transfer layer provided on a roll of the decorative sheet, there is a case where fine defects such as streaks and pinholes are generated in the gravure printing or during winding or the like. When mold decorating with the transfer layer having a defect, which may lead to the occurrence of a molded article having a defect. Thus, a decorative sheet for use in-mold decorating apparatus previously inspected have been made to remove the transfer layer having the defects (pattern).

Inspection of the decorative sheet ends the normal printing process, has been performed by visual inspection of the transfer layer while solving decorative sheet wound in a roll. If you find a defect in a part of the transfer layer, to remove the defective portion, cutting a portion of the decorative sheet containing the defective portion, then reconnect the two sheet cut like a tape cut and paste has been carried out.

International Publication No. WO2005 / 118250 JP

However, to confirm the decorative sheet visually, the time of the confirmation work is enormous. Moreover, decorative sheets which are connected like a tape is hardly subjected to such alignment at the time of molding. As a result, in the molding process, there is a possibility that secondary failure occurs causing defective.

Further, in the decorative sheet of the manufacturing process, rather than looking at the one single picture of the transfer layer, divided entire roll of the decorative sheet into blocks of a few meters, removing the entire block with a defect to become. Therefore, sometimes it contains picture no defect in the block have been made to discard decorative sheet wasted.

Thus, the technical problem the present invention is to solve is to prevent performing mold decorating by using a pattern having a defect contained in the decorative sheet, improve the yield of the resulting decorative molded article to provide a decorative sheet for mold decorating apparatus that can be.

The present invention, in order to solve the above technical problems, mold decorating apparatus of the following structure, provides a decorative sheet, and a molding simultaneous decoration system.

According to a first aspect of the present invention, the transfer layer comprising a plurality of non-defective picture and defective picture is attached to the surface of the substrate sheet, and a defect mark provided corresponding to said defective picture, the width direction positioning mark, longitudinal using decorative sheet and direction mark is applied, the decorative sheet was closed mold in alignment with respect to the mold and injecting a molten resin, the transfer layer the molten resin is solidified a mold decorating apparatus to be transferred to the surface of the molded article,
And intermittently supplying the decorative sheet feed unit while the decorative sheet of the mold,
A mark detection sensor for detecting the defect mark and the width direction positioning mark and the longitudinal direction positioning mark,
Based on the detection result of the mark detection sensor, and the driving control unit for driving and controlling the decorative sheet feed unit to a pattern of the decorative sheet aligning with respect to the mold,
Equipped with a,
The drive control unit,
When detecting the defect mark by the mark detection sensor, wherein a pattern corresponding to the defective mark skips the driving and controlling the decorative sheet supply unit so as not to suit the location, providing a mold decorating apparatus.

According to a second aspect of the present invention, the defect mark, the provided to be on the same level with the longitudinal direction positioning mark with respect to the longitudinal direction of the decorative sheet,
The mark detection sensor includes a width direction sensor for detecting the width direction positioning mark, and a longitudinal sensor for detecting the longitudinal mark and the defect mark, provides a mold decorating apparatus of the first embodiment.

According to a third aspect of the present invention, the defect mark, the so equivalently as the longitudinal direction positioning mark with respect to the longitudinal direction of the decorating sheet, the decorative sheet supply longitudinal mark corresponding to the defect pattern continuously provided downstream side,
The drive control unit,
Feed amount of the time the longitudinal sensor is a non-transparent state or the decorative sheet, depending on whether greater than a predetermined threshold value, to detect the presence or absence of the defect mark-mold pressure of the second aspect to provide a decorative device.

According to a fourth aspect of the present invention, the defect mark is to be on the same level with the longitudinal direction positioning mark with respect to the decorative sheet feed direction, one of the longitudinal direction positioning mark and the defect pattern corresponding to the defective picture provided between the longitudinal marks corresponding to the previous picture,
The drive control unit,
Feed amount of said longitudinal sensor is a transmissive state time or the decorative sheet, depending on whether greater than a predetermined threshold value, to detect the presence or absence of the defect mark, mold decorating of the second aspect to provide a device.

According to a fifth aspect of the present invention, with closed mold in alignment relative to the mold by injecting a molten resin, mold decorating to transfer the transfer layer on the surface of the molded article molten resin is solidified a decorative sheet for use in the apparatus,
Transfer layer comprising a plurality of non-defective picture and defective picture is attached to the surface of the substrate sheet, and a defect mark provided corresponding to said defective picture, the width direction positioning mark, and the longitudinal direction positioning mark has been granted, the pressurized to provide a decorative sheet.

According to a sixth aspect of the present invention, the width direction positioning mark is provided to extend in a strip shape in a longitudinal direction of the decorative sheet in the width direction near one end of the decorative sheet,
It said longitudinal marks are provided corresponding to said respective picture,
The defect mark, the provided such that the longitudinal direction positioning mark and the same column with respect to the longitudinal direction, to provide a decorative sheet of the fifth aspect.

According to a seventh aspect of the present invention, the defect mark is provided continuously to the decorative sheet feed direction downstream side of the longitudinal direction positioning mark corresponding to the defect pattern, providing a decorative sheet of the sixth aspect to.

According to an eighth aspect of the present invention, the defect mark is provided between the longitudinal marks corresponding to the previous picture of the defect pattern and longitudinal marks corresponding to the defect pattern, the 6 provides a decorative sheet aspects.

According to a ninth aspect of the present invention, the width direction positioning mark, the longitudinal direction is provided to extend in strip shape in the width direction near one end of the decorative sheet,
It said longitudinal marks are provided on the intermittent band-shaped such that a gap is free in correspondence with the respective picture,
The defect mark, the provided so as to fill a gap corresponding to the defect pattern, provides a decorative sheet of the fifth aspect.

According to a tenth aspect of the present invention, provided with a testing apparatus and the mold decorating apparatus,
The test devices by inspecting whether having a decorative sheet of the respective picture defect and a transfer layer are attached longitudinally mark and the width direction positioning mark comprising a plurality of picture on the surface of the substrate sheet, the forming the decorative sheet which is the inspection intermittently supplied during the mold by decorating device, aligned to the mold on the basis of the decorative sheet and the width direction positioning mark and the longitudinal direction positioning mark and then closing the mold and injecting a molten resin in a state, a molding simultaneous decoration system for transferring the transfer layer on the surface of the molded article molten resin is solidified,
The inspection device,
A sensor unit pattern of the decorative sheet is determined whether or not the defect pattern optically,
If it is determined that the defect pattern by the sensor unit has a defect marking unit that applies a defect mark corresponding to the defect pattern,
The mold decorating apparatus,
A decorative sheet feed unit for the supplying the decorative sheet the decorative sheet aligning with respect to the mold,
By the decorative sheet feed unit, and the defect mark detection sensor for detecting the defect mark before aligning the decorative sheet against the mold,
When the defect mark detection sensor detects the defect mark, and a drive control unit for driving and controlling the decorative sheet supply unit so as not to fit the position to skip the picture corresponding to the defect mark,
It comprises, to provide a molded simultaneously decorating system.

According to an eleventh aspect of the present invention, the defect mark detection sensor is a longitudinal sensor for detecting the longitudinal marks,
The defect marking unit imparts the defect mark to the longitudinal direction positioning mark corresponding to the defect pattern, to provide a molded simultaneous decoration system of the tenth aspect.

According to the twelfth aspect of the present invention, the defect marking unit, said a printing unit for printing the defective mark on the decorative sheet, to provide a molded simultaneous decoration system of the tenth or eleventh aspect.

According to a thirteenth aspect of the present invention, the printing unit, the decorative sheet feed direction downstream side of the longitudinal direction positioning mark corresponding to the defective picture, printing the defective mark in succession in the longitudinal direction positioning mark, the providing-mold decoration system 12 embodiment.

According to the fourteenth aspect of the present invention, the printing unit, the defect imparted between said longitudinal mark corresponding to the defect pattern, and the longitudinal direction marks corresponding to the previous picture of the defective picture a mark, to provide a molded simultaneous decoration system of the twelfth aspect.

According to a fifteenth aspect of the present invention, the printing unit, corresponding to said defective picture located between the longitudinal marks provided intermittently in a band shape such that a gap is free in correspondence with the respective picture the gap to, printing the defect mark to fill the gap, to provide a molded simultaneous decoration system of the twelfth aspect.

According to a sixteenth aspect of the present invention, the defect marking unit is a removal unit for removing a longitudinal mark corresponding to the pattern that has been determined to be the defective pattern by the sensor unit, tenth or eleventh providing-mold decoration system aspects.

According to a seventeenth aspect of the present invention, the printing unit prints the separate defect indication from the defect mark on the defect pattern, to provide a molded simultaneous decoration system of the twelfth aspect.

According to a first aspect of the present invention, that the response to the defect pattern with decorative sheet granted defect mark, so as not to align skips the basis of the defect mark in-mold decorating apparatus since it is not that the molded article is molded based on the defect pattern. Thus, pressurized while labor saving the trouble of removing the defective picture of decorative sheet, can be eliminated in failure due to cutting and pasting of the decorative sheet generated in removing operation of the conventional defect pattern problems. Further, since the molded article except the defect pattern is created, it is possible to improve the production yield of non-defective molded products.

According to a second aspect of the present invention, since a sensor for detecting a defect mark the longitudinal direction mark may be one, it is possible to simplify the apparatus. Also, when taking this configuration, the sensor detects the signal, it is necessary to distinguish between the defect mark and longitudinal marks, for example, and a defect mark and longitudinally mark blocks light of the optical sensor it is possible to distinguish between the two by using the shielding time.

According to a fifth aspect of the present invention, it is possible to prevent aligned by skipping the basis of the defect mark in-mold decorating apparatus, never molded article is molded based on the defect pattern. Thus, pressurized while labor saving the trouble of removing the defective picture of decorative sheet, can be eliminated in failure due to cutting and pasting of the decorative sheet generated in removing operation of the conventional defect pattern problems. Further, since the molded article except the defect pattern is created, it is possible to improve the production yield of non-defective molded products.

According to a tenth aspect of the present invention, the inspecting a pattern optically testing device, using the decorative sheet defects marked granted in response to the defect pattern, the defect marks mold decorating apparatus it is possible to prevent aligned skips basis, never molded article is molded based on the defect pattern. Thus, pressurized while labor saving the trouble of removing the defective picture of decorative sheet, can be eliminated in failure due to cutting and pasting of the decorative sheet generated in removing operation of the conventional defect pattern problems. Further, since the molded article except the defect pattern is created, it is possible to improve the production yield of non-defective molded products.

According to an eleventh aspect of the present invention, by sharing the sensor for detecting the sensor and a longitudinal mark for detecting a defect mark, it is possible to simplify the apparatus.

These and other aspects and features of the present invention will become clear from the following description taken in conjunction with the preferred embodiments thereof with reference to the accompanying drawings. In this drawing,
Figure 1 is a diagram showing a configuration of a mold decorating apparatus for use in-mold decoration system according to an embodiment of the present invention, Figure 2 is a sectional view taken along II-II in FIG. 1, Figure 3 is a plan view showing one embodiment of the decorative sheet showing a state before inspection used in-mold decorating apparatus shown in FIG. 1, Figure 4 is a diagram showing a configuration of an inspection apparatus for use in-mold decoration system according to an embodiment of the present invention, 5A is a plan view showing a first embodiment of the decorative sheet defect mark is assigned by the inspection device, Figure 5B is a cross-sectional view of line B-B in FIG. 5A, 6A is a plan view showing a second embodiment of the decorative sheet defect mark is assigned by the inspection device, Figure 6B is a cross-sectional view of line B-B in FIG. 6A, 7A is a plan view showing a third embodiment of the decorative sheet defect mark is assigned by the inspection device, Figure 7B is a cross-sectional view of line B-B in FIG. 7A, 8A is a plan view showing a fourth embodiment of the decorative sheet defect mark is assigned by the inspection device, Figure 8B is a cross-sectional view of line B-B of FIG. 8A, Figure 9 is a flowchart showing the skip operation in the case of using the decorative sheet shown in Figure 5A, Figure 10 is a flowchart showing the skip operation in the case of using the decorative sheet shown in FIG. 6A, Figure 11 is a flowchart showing the skip operation in the case of using the decorative sheet shown in FIG. 7A, Figure 12 is a flowchart showing the skip operation in the case of using the decorative sheet shown in FIG. 8A, Figure 13 is a plan view showing a modified example of the decorative sheet shown in Figure 5A.

Before continuing the description of the present invention, it is denoted by the same reference numerals denote the same parts in the accompanying drawings.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Molding simultaneous decoration system according to the present embodiment includes a mold decorating apparatus that performs mold decorating, the inspection apparatus for inspecting a decorative sheet for use in-mold decorating apparatus.

1 and 2 show the configuration of a mold decorating apparatus according to an embodiment of the present invention. Mold decorating apparatus 1 in accordance with control by the control unit 100, a roll of decorative sheet 71 continuously mold (fixed mold, a movable mold) fed between the decorative sheet 71 in the mold and injecting a molten resin in a state sandwiching an apparatus for decorating a molded article by transferring a pattern that is attached to the surface of the decorative sheet 71 on the surface of the resin molded article. As the decorative sheet 71 used in the mold decorating apparatus 1 according to this embodiment, the inspection of such the pattern of scratches and pinholes by the inspection apparatus 10 (see FIG. 4) as will be described later, defective It is used as a state in which the defect mark is assigned in response to the picture.

Mold decorating apparatus 1 includes a stationary platen 32 fixed on the frame 31, and a movable platen 34 which slides moving on the tie bar 33 attached to the stationary platen 32. The movable platen 34 is movably supported by rollers (not shown) the frame.

The stationary platen 32 is mounted and fixed die 36. Fixed 36 has a convex portion 36a on its parting face side. Mold decorating apparatus 1, to the fixed mold 36, and is emitted configured to enable molten resin from the injection nozzle 39.

The movable platen 34 is movable mold 40 is attached. Movable mold 40 has a recess 40a corresponding to the convex portion 36a of the fixed mold 36. The movable die 40, the sheet clamp 80, 81 for close contact with the mold is provided a decorative sheet 71. The fixed die 36, so as not to interfere with these sheets clamps 80 and 81, recesses (not shown) is provided. Thus, when the mold closing the movable die 40 and fixed die 36, the sheet clamp 80, 81 is avoided into the recess.

Further, the movable plate 34, the upstream-side frame 60a and the downstream-side frame 60b is movably attached to the horizontal direction. The upstream-side frame 60a and the downstream-side frame 60b, by sending any feed amount by the decorative sheet 71, it is possible to perform a longitudinal alignment of the decorative sheet 71. Further, the upstream-side frame 60a and the downstream-side frame 60b, can be performed by moving in the horizontal direction, the alignment in the width direction of the decorative sheet 71. That is, the upstream frame 60a and the downstream-side frame 60b, functions as a decorative sheet feed unit. The upstream-side frame 60a and the downstream-side frame 60b, the guide 62a, is guided by 62b to the guide rails 61a, 61b attached to the movable platen 34. Guide 62a, it is possible to use a direct-acting slide bearing as 62b.

Upstream-side frame 60a and the downstream-side frame 60b is the width direction moving device (not shown) are provided corresponding to each can be moved horizontally independently. Each crosswise movement device, for example, a motor, a pulley, which is rotatable in the ball screw by a belt at a predetermined rotational speed, the ball screw is a nut mounted on the upstream-side frame 60a and the downstream-side frame 60b It is engaged. Accordingly, the ball screw is rotated by rotating the motor, whereby the upstream-side frame 60a and the downstream-side frame 60b is moved in the horizontal direction.

The upstream-side frame 60a, the sheet supply roller 69 is provided. Sheet feeding roller 69 is configured to unwind the decorative sheet 71 is rotated by driving the upstream-side motor 76a. Upstream sheet guide rollers 72 and 78, the decorative sheet 71 unwound from the sheet supply roller 69 is guided in the vertical direction so as to be positioned on the surface of the movable mold 40. Note that the upstream-side sheet guide rollers 72, 78 is not limited to two, it may be provided any number. Further, in order to impart an appropriate tension to the fed decorating sheet 71, the axis of the reel for winding the decorative sheet 71 may be configured to provide a powder clutch (not shown).

The downstream-side frame 60b, the sheet take-up roller 70 is provided. Sheet take-up roller 70 is configured to wind the decorating sheet 71 positioned on the surface of the movable mold 40. The sheet take-up roller 70, to impart an appropriate tension to the fed decorating sheet 71, the motor 76b is constituted by a DC servo motor is provided to drive the reel. Further, the downstream-side frame 60b, for guiding the decorative sheet 71 passing over the cavity surface of the movable die 40 in a sheet winding roller 70, any number of the downstream side sheet guide rollers 77,78,75 is provided ing.

The top and bottom of the movable die 40, the width direction sensor 82a, respectively, 82b are provided side by side in the feed direction of the decorating sheet 71. Further, the movable mold 40 is provided in a state that the longitudinal direction sensor 83 is embedded. By arranging embedded longitudinal sensor 83 to the movable mold 40, since the position of the picture with the longitudinal direction sensor 83 of the decorative sheet 71 close, thereby improving the accuracy of alignment.

Decorative sheet 71 is fed downward in the vertical direction from the sheet supply roller 69 is guided to the upstream side sheet guide rollers 72, 78 passes over the cavity surface of the movable die 40, the downstream-side sheet guide rollers 77, 78, is guided to 75 is wound on the sheet take-up roller 70.

Supply of the decorative sheet 71, when positioning, symbol 91 formed in the decorative sheet 71 is to be disposed at a predetermined position with respect to the recess 40a of the movable mold 40, is driven and controlled. Supply and positioning of the decorative sheet 71, the control unit 100, the sheet supply roller 69, a sheet take-up roller 70, the width-direction moving device of the upstream-side frame 60a, and controls the driving of the width direction moving device on the downstream-side frame 60b It is carried out by.

In-mold decorating apparatus 1, based on the width direction sensors 82a, 82b and the detection result of the longitudinal sensor 83, is performed the positioning operation of the decorative sheet 71 as described later, then, the injection operation of the molten resin It is carried out.

In a state where the positioning of the decorative sheet 71 is completed, in a state of the pattern of the decorative sheet 71 is positioned such corresponding to the fixed die 36, the movable mold 40 cavity. When positioning of the decorative sheet 71 is completed, the mold closing operation the movable platen 34 is moved is performed, the transfer of the pattern on the decorative sheet 71 is performed simultaneously with the molding. After the molded product is cooled, the mold is opened, remove the molded article. Thus one cycle of operation is completed.

Figure 3 shows the structure of a decorative sheet used in this embodiment. The decorative sheet 71 shown in FIG. 3 are those of the state where the inspection process to be described later has not been completed. Decorative sheet 71 includes a transparent substrate sheet 20, and a transfer layer 23 provided on the surface of the substrate sheet 20 (see FIG. 5B). Transfer layer 23, release layer 21, the pattern layer is formed by laminating an adhesive layer 22. The pattern layer, a plurality of pattern 91 formed at regular intervals, a longitudinal mark 85 to be formed as dots per picture 91 at regular intervals from each picture 91 (also referred to as the eye mark) from each picture 91 and the decorative sheet 71 widthwise end width direction positioning mark is formed in a band shape in the vicinity 84 of the (also referred to as flow line) are provided at regular intervals. The longitudinal direction positioning mark 85 and the width direction positioning mark 84, a mark for position detection, is intended to be subjected simultaneously when printing pattern 91.

Width direction sensors 82a, 82b and longitudinal sensor 83, decorative width direction positioning mark 84 provided on the sheet 71, the longitudinal direction positioning mark 85, and a defect mark 86a to be subjected in the inspection process to be described later, 86b, 86c (FIG. 5A an optical sensor for reading 6A, the 7A reference). Width direction sensors 82a, 82b and longitudinal sensor 83 detects the longitudinal and widthwise position of the decorative sheet 71. The width direction sensors 82a, 82b and longitudinal sensor 83 reads the defect marks 86a, 86b, a 86c, detects a pattern having defects 91N. The width direction sensors 82a, 82b and longitudinal sensor 83 is tunable configure attachment position.

Figure 4 is a diagram showing a schematic configuration of an inspection apparatus for inspecting process of the decorative sheet. Inspection apparatus 10 is an apparatus for inspecting a rolled decorative sheet 71 in which the transfer layer 23 is printed by gravure printing apparatus (not shown). In the testing apparatus shown in FIG. 4, the effective width of the inspectable decorative sheet 71 is 600 mm, the defect detection size is 30 [mu] m, feed speed of the decorating sheet 71 is 10 ~ 40 m / min.

Decorating sheet 71 to be inspected is mounted on the feed roller 11. Feed roller 11 is controlled to drive by the torque motor 11a, it is controlled to feed the decorative sheet 71 is wound by the drive of the take-up roller 12 described later at a predetermined tension. Incidentally, the winding roller 12 is controlled for its driving amount and the driving torque, the inspection apparatus 10 is detectably configuration for such feed amount of the decorating sheet 71.

Decorative sheet 71 fed from the roller 11 feed the dancer roll 13a, the sheet pressing roller 16a, delivered 17a in the guide roller 19 via the. Sheet pressing roller 17a is connected to the vertically movable air cylinder (not shown). The vertical movement of the air cylinder, it is possible to adjust the clamping force of the decorative sheet 71 between the sheet pressing roller 17a and the sheet pressing roller 16a. This makes it possible to ensure the feeding of the decorating sheet 71.

Guide rollers 19, is composed of three rollers which are arranged substantially horizontally, for guiding the decorative sheet 71 in the horizontal direction. Decorative sheet 71 in which the guide roller 19 is transported the arrangement region is inspected by the line sensor unit 15 provided above the guide roller 19. The line sensor unit 15 includes two sensors to measure the transmitted light and reflected light. Further, as a light source for inspection by the line sensor unit 15, a transmission light source 14a and reflected light source 14b. By examining at the control operation unit (not shown) an image captured by each of the line sensor unit 15, it is possible to determine defects in the transfer layer 23 optically.

Further, on the downstream side of the line sensor unit 15 it is provided with a defect marking unit 18. Defect marking unit 18 may, depending on the mark subjecting a defect mark to be described later, to adopt the structure of various embodiments. As a specific example, as the defect marking unit 18, the decorative ink jet unit and a laser marker for printing on the surface of the sheet 71, the decorative removal unit for removing a portion of the transfer layer 23 of the sheet 71 or the like There can be used.

Decorative sheet 71 guided by the guide rollers 19, the sheet pressing roller 16b, guided by 17b. Sheet pressing roller 17b is connected to the vertically movable air cylinder (not shown). The vertical movement of the air cylinder, it is possible to adjust the clamping force of the decorative sheet 71 between the sheet pressing roller 17a and the sheet pressing roller 16b. Thus, it is possible to reliably feed operation of the decorative sheet 71. Sheet pressing roller 16b, on the downstream side of 17b, the dancer roller 13b are provided. Decorative sheet 71 that has passed through the sheet pressing roller 16b, and between 17b is wound around the winding roller 12 while being guided by the dancer roller 13b. The winding roller 12, the torque motor 12a is provided. By controlling the driving of the torque motor 12a, the winding roller 12, in a state where predetermined tension is applied to the decorative sheet 71, it is possible to wind the decorating sheet 71.

Defect marking unit 18, a longitudinal mark 85N (see FIG. 5A) corresponding to the pattern 91N of the transfer layer 23 having a defect that is determined by the line sensor unit 15, in different forms the longitudinal direction positioning mark 85 of the non-defective, the pressurized applied to the decorative sheet 71. Further, the defect marking unit 18, in accordance with the timing of conveyance of the decorative sheet 71, to add or delete a longitudinal mark 85 to a specific portion of the decorative sheet 71. Later detailed configuration of the defect marking unit 18. The timing control of the defect marking, the control unit of the inspection apparatus 10 (not shown) performed.

Is a defect inspection by the inspection apparatus, will be described decorative sheet defect mark is assigned. Figure 5A is a plan view showing a first embodiment of the decorative sheet defect mark is assigned by the inspection apparatus. 5B is a cross-sectional view of line B-B in FIG. 5A. Incidentally, FIG. 5B illustrates by reducing the longitudinal scale of the decorative sheet.

As shown in FIG. 5A, the decorative sheet 71a, the width direction positioning mark 84, the longitudinal direction positioning mark 85, picture 91,91N is attached. These marks 84, 85 and picture 91,91N, respectively, as shown in FIG 5B, are assigned to the transfer layer 23 provided on the surface of the base sheet 20. Transfer layer 23 includes a release layer 21 provided on the surface of the substrate sheet 20, an adhesive layer 22 provided on the upper surface of the pattern layer 84,85,91. The arrow F, in-mold decorating apparatus 1 indicates the feed direction of the decorating sheet 71a is fed.

In order to improve the releasability of the transfer layer 23 from the substrate sheet 20, before providing the transfer layer 23 on the substrate sheet 20, the release layer (not shown) may be entirely formed. Pattern layer 84,85,91 is pattern 91 and the longitudinal direction positioning mark 85 is a layer for expressing such width direction positioning mark 84 is provided on the surface of the release layer 21. Pattern layer 84,85,91 is formed by a metal thin film layer attached, such as by printing or sputtering using the ink onto the release layer 72. Incidentally, when providing the metal thin layer, in order to improve the adhesion between other transfer layers and the metal thin film layer may be provided an anchor layer (not shown). The adhesive layer 22 is a layer for bonding the respective layers on the surface of the resin molded article.

Defect mark 86a is a mark provided by the defect marking portion 18 of the inspection apparatus 10 shown in FIG. In the first embodiment, the downstream side of the feed direction F of the longitudinal marks 85N corresponding to the defective pattern 91N, defect mark 86a is printed in succession in the longitudinal direction positioning mark 85N. Surface defect mark 86a is printed is the surface of the transfer layer 23. This The defect marking portion 18 of the inspection apparatus 10 according to the first embodiment, an ink jet unit can be suitably used.

Figure 6A is a plan view showing a second embodiment of the decorative sheet defect mark is assigned by the inspection apparatus. 6B is a cross-sectional view of line B-B of Figure 6A. Incidentally, FIG. 6B illustrates by reducing the longitudinal scale of the decorative sheet.

As shown in FIG. 6A, the decorative sheet 71b, the width direction positioning mark 84, the longitudinal direction positioning mark 85, picture 91,91N is attached. These marks 84, 85 and picture 91,91N, respectively, as shown in FIG. 6B, are denoted by the transfer layer 23 provided on the surface of the base sheet 20. The layer structure of the decorative sheet 71b is the same as the decorative sheet 71a of the first embodiment, a detailed description thereof will be omitted.

Defect mark 86b is a mark provided by the defect marking portion 18 of the inspection apparatus 10 shown in FIG. In the second embodiment, a longitudinal mark 85F corresponding to the symbol 91F positioned on the upstream side of the feed direction F of the longitudinal marks 85N corresponding to the defective picture 91N (i.e., one upstream of the defective picture 91N), defect mark 86b is printed on an intermediate position between the longitudinal marks 85N corresponding to the defective pattern 91N. Surface defect mark 86b is to be printed, the surface of the transfer layer 23. This The defect marking portion 18 of the inspection apparatus 10 according to the second embodiment, an ink jet unit can be suitably used.

Figure 7A is a plan view showing a third embodiment of the decorative sheet defect mark is assigned by the inspection apparatus. 7B is a cross-sectional view of line B-B of Figure 7A. Incidentally, FIG. 7B illustrates by reducing the longitudinal scale of the decorative sheet.

As shown in FIG. 7A, the decorative sheet 71c, the width direction positioning mark 84, the longitudinal direction positioning mark 85c, the pattern 91,91N are given. These marks 84, 85 and picture 91,91N, respectively, as shown in FIG. 7B, are assigned to the transfer layer 23 provided on the surface of the base sheet 20. The layer structure of the decorative sheet 71c is the same as the decorative sheet 71a of the first embodiment, a detailed description thereof will be omitted.

This in decorative sheet 71c of the third embodiment, the longitudinal direction positioning mark 85c are intermittently formed in a band shape. Further, the longitudinal direction positioning mark 85c is interrupted the position of the strip (hereinafter, referred to as intermittent position.) 87,87N are provided corresponding to the pattern 91,91N. That is, in the third embodiment, mold decorating apparatus 1, by detecting the intermittent position 87,87N longitudinal mark 85c with a longitudinal sensor 83, a longitudinal alignment of the decorative sheet 71c I do.

Defect mark 86c is a mark provided by the defect marking portion 18 of the inspection apparatus 10 shown in FIG. In the third embodiment, the defect mark 86c is printed in intermittent position 87N of the longitudinal direction positioning mark 85c corresponding to the defective pattern 91N. As a result, when viewed from the direction perpendicular to the surface of the decorative sheet 71, the gap intermittent position 87N is filled, a longitudinal mark 85c adjacent to each other via the intermittent position 87N, 85c is in a state that led. Surface defect mark 86c is printed is the surface of the transfer layer 23. This The defect marking portion 18 of the inspection apparatus 10 according to the third embodiment, an ink jet unit can be suitably used.

Figure 8A is a plan view showing a fourth embodiment of the decorative sheet defect mark is assigned by the inspection apparatus. Figure 8B is a cross-sectional view of line B-B in Figure 8A. Incidentally, FIG. 8B illustrates by reducing the longitudinal scale of the decorative sheet.

As shown in FIG. 8A, the decorative sheet 71d, the widthwise direction mark 84, the longitudinal direction positioning mark 85, picture 91,91N is attached. These marks 84, 85 and picture 91,91N, respectively, as shown in FIG. 8B, are assigned to the transfer layer 23 provided on the surface of the base sheet 20. The layer structure of the decorative sheet 71d is the same as the decorative sheet 71a of the first embodiment, a detailed description thereof will be omitted.

Defect mark 86d is a mark provided by the defect marking portion 18 of the inspection apparatus 10 shown in FIG. In the fourth embodiment, by removing a longitudinal mark 85N corresponding to the defective pattern 91N, defect mark 86d is given. That is, as shown in FIG. 8B, by removing the region of the transfer layer 23 includes a longitudinal mark 85N corresponding to the defective pattern 91N, remove longitudinal marks 85N corresponding to the defective pattern 91N. Thus, as will be described later, when the longitudinal direction of the alignment of the decorative sheet 71d, the longitudinal direction sensor 83 from being able to detect the longitudinal direction positioning mark 85N. This The defect marking portion 18 of the inspection apparatus 10 according to the fourth embodiment, for example, the adhesive unit for removing the transfer layer 23 may be suitably used. Adhesive unit, into contact with the transfer layer 23 to remove the head 18d, by transferring the said transfer layer 23 on the head 18d side, to remove the transfer layer 23 from the decorative sheet 71d.

It will now be described positioning operation of the decorative sheet in-mold decorating apparatus shown in FIG. First, in a state where no defect mark is attached to the decorative sheet 71, the operation for aligning a pattern for use in mold decorating the longitudinal direction and the width direction. After that, the defect mark is attached to the decorative sheet 71, the operation for skipping defects picture that is not used in-mold decorating.

(Alignment operation of the picture)
First, when the signal of the cycle start is inputted, the upstream-side frame 60a and the downstream-side frame 60b is returned to the machine origin, feed operation to send the decorative sheet 71 in the vertical direction is started. Thereafter, by driving the motor 76a, 76 b, to rotate the sheet supply roller 69 and the sheet take-up roller 70, unwinding the decorative sheet 71 from the sheet supply roll 69. At this time, the motor 76a, 76b is a sheet feed roll 69, since rotating the sheet take-up roller 70 at a high speed, feed speed of the decorating sheet 71 has a high speed. High-speed rotation of the motor 76a, 76b, as will be described later, is held to the longitudinal direction positioning mark 85 of the decorative sheet 71 by a longitudinal sensor 83 is detected.

Sent decorating sheet 71 is a predetermined length, the longitudinal direction sensor 83 detects the longitudinal direction positioning mark 85 of the decorative sheet 71 (intermittent position 87 in the case of the embodiment shown in FIG. 7A), the motor 76a, the rotation of 76b speed is switched to low speed. Thus, the feed speed of the decorating sheet 71 becomes slow. Feed speed of the low speed of the decorating sheet 71 is, for example, can be about one twentieth of the feed speed of the decorating sheet 71 during high speed.

The timing of switching from the fast feed to the low speed feeding of the decorating sheet 71 is not a timing of detection of the longitudinal direction positioning mark 85 in the longitudinal direction sensor 83 may be controlled in accordance with the feed amount of the decorating sheet 71 . That is, the decorative sheet 71 according to this embodiment, since not performed cut and paste for removing defective pattern as in the conventional example, the distance between the longitudinal direction positioning mark 85, 85 adjacent to each other, during the manufacture of the decorative sheet 17 not changed from. Accordingly, since it is all the intervals in the longitudinal direction positioning mark 85 constant, even when subjected to the control of the timing of switching from the fast feed to low feed based on the feed amount of the decorating sheet 71, never accuracy decreases .

During low-speed driving of the decorative sheet 71, the motor 76a at the timing when the longitudinal direction sensor 83 no longer detects the longitudinal direction positioning mark 85 (i.e., the timing at which the transparent state and the non-transparent state is switched in the longitudinal direction sensor 83), 76 b There is stopped, the feed operation of the decorative sheet 71 is stopped. As the motor 76a is provided on the upstream-side frame 60a, in order to stabilize the rotational speed, using a servo motor, it is preferable to control the rotational speed by a feedback control using a tachometer or encoder.

After longitudinal positioning of the decorative sheet 71 as described above, to position the width direction of the decorative sheet 71. By moving the upstream-side frame 60a and the downstream-side frame 60b in the horizontal direction, to move the decorative sheet 71 disposed on the cavity surface of the movable die 40 in the horizontal direction. Thus, when one end of the width direction positioning mark 84 is detected in the width direction sensor 82a, 82b, slowing the movement speed of the decorative sheet 71. Then, after moving the other end in the width direction sensor 82a in the width direction positioning mark 84, at the detected timing to 82b, or the predetermined length of the decorating sheet 71 in the horizontal direction, the movement of the decorative sheet 71 to stop. Since the movement distance in the horizontal direction decorating sheet 71 is small, one end in the width direction sensor 82a in the width direction positioning mark 84, when it is detected by 82b, even immediately the movement of the decorative sheet 71 is stopped good. Incidentally, in the horizontal direction of the alignment of the decorating sheet 71, to use two sensors in the width direction sensor 82a, 82b is for adjusting the inclination with respect to the vertical direction of the decorating sheet 71.

(Skip operation of the defect pattern)
Skip operation of the defect pattern performs different operations, respectively, by the form of the defect mark attached to the decorative sheet, as shown in FIGS 5A ~ FIG 8A. Hereinafter, the skip operation of the defect pattern is described for each decorative sheet according to the above embodiments. In the following description, the skip operation, completed molding operation for one cycle before the defect pattern, means an operation to align the longitudinal direction of the next good picture is completed.

Figure 9 is a flowchart showing the skip operation in the case of using the decorative sheet shown in Figure 5A. Skip operation to be set in-mold decorating apparatus in a case of using the decorative sheet 71a is as follows.
First, the feed operation of the decorative sheet 71a is started (# 10). Feed rate of the decorative sheet 71a at this time, it has become a high speed.
When the decorative sheet 71a is fed in the longitudinal direction, switches from the longitudinal direction sensor 83 is shielded in the longitudinal direction positioning mark 85 transmission state (no in step # 11) to the non-transmission state (yes in step # 11). In this timing, decorative feeding speed of the sheet 71a is switched to the low speed (# 12), timer (not shown) to start time counting (# 13).

Between the feed speed of the decorating sheet 71a is slow, if the time count is longitudinal sensor 83 is switched to the transparent state from the non-transparent state to a (no in step # 14) before the predetermined time period (i.e. the longitudinal direction sensor If 83 is the time during which is shielded shorter than the predetermined time: yes in step # 15) stops the motor 76 (# 16). Thus, longitudinal positioning of the decorative sheet 71a is completed.

On the other hand, between the longitudinal direction sensor 83 is a non-transparent state, the from the start of time counting a predetermined time has elapsed (yes in step # 14), continuous in the longitudinal direction positioning mark 85 (adjacent) to the defect mark 86a is attached to it is determined that you are. In this case, switches the motor 76 to the high-speed driving, the feeding speed of the decorating sheet 71a at a high speed (# 17). Incidentally, in the middle of the high-speed feeding of the decorating sheet 71a, but the longitudinal direction sensor 83 by the defect mark 86a passes the longitudinal sensor 83 becomes non-transmissive state, the detection signal is ignored (# 18). That is, the first non-transmissive state in the longitudinal direction sensor 83 is ignored.

After the defect mark 86a passes through the longitudinal sensor 83, until the longitudinal sensor 83 detects the non-transmission state (yes in step # 11), and sends the decorative sheet 71a at a high speed.
Hereinafter, until the longitudinal alignment of the decorating sheet 71a is completed, the above operation is repeated.

Above, in the skip operation of the mold decorating apparatus in the case of using the decorative sheet of Fig. 5A, because the feed speed of the decorating sheet 71a is configured to start the timer count at the timing of switching to the low-speed from a high speed, it is possible to reduce the trigger processing. Thus, it is possible to perform a skip operation by a simple process.

As a modification of the skip operation, instead of performing the time count may be determined whether the defect mark 86a in accordance with the feed amount of the decorating sheet 71a. That is, by counting the feed amount of the decorating sheet 71a from becoming longitudinally sensor 83 is a non-transmissive state at # 11, or longitudinal direction sensor 83 is a decorative sheet 71a in a non-transparent state is moved a predetermined distance not it is possible to determine the presence or absence of a defect mark 86a by one.

Figure 10 is a flowchart showing the skip operation in the case of using the decorative sheet shown in FIG. 6A. Skip operation to be set in-mold decorating apparatus in a case of using the decorative sheet 71b is as follows.
First, the feed operation of the decorative sheet 71b is started (# 20). Feed speed of the decorating sheet 71b at this time is fast as described above. At the same time the feed operation of the decorative sheet 71b is started, a timer (not shown) to start time counting (# 21).

When the decorative sheet 71b is fed in the longitudinal direction, it switched longitudinal sensor 83 detects the longitudinal direction positioning mark 85 from the transparent state to the non-transmission state (yes in step # 22). The switching timing is determined whether or not after a predetermined time has elapsed from the start of the time count of the timer, if it is after a predetermined time has elapsed (yes in step # 23), decorative sheet 71b as described above switching the feed rate to a low speed (# 24).

Then, if the longitudinal direction sensor 83 is switched to the transparent state from the non-transmissive state (yes in step # 25) stops the motor 76 (# 26). Thus, longitudinal positioning of the decorative sheet 71b is completed.

On the other hand, during the high-speed feeding of the decorating sheet 71b, if the longitudinal direction sensor 83 is switched from the transmitting state to the non-transmissive state before the predetermined time elapses from the start of the time count (no in step # 23), adjacent to each other the defect mark 86b provided between the longitudinal direction positioning mark 85, 85 longitudinal sensor 83 determines that the detected that. In this case, to continue the high-speed feeding of the decorative sheet 71b. Incidentally, in the middle of the high-speed feeding of the decorating sheet 71b, but the longitudinal direction sensor 83 by the defect mark 86b passes through the longitudinal sensor 83 becomes non-transmissive state, the detection signal is ignored (# 28). That is, the first non-transmissive state in the longitudinal direction sensor 83 is ignored.
After the defect mark 86b passes through the longitudinal sensor 83, until the longitudinal sensor 83 detects the non-transmission state (yes in step # 22), and sends the decorative sheet 71b at high speed.
Hereinafter, until the longitudinal alignment of the decorative sheet 71b is completed, the above operation is repeated.

In the skip operation of the mold decorating apparatus in the case of using the decorative sheet 71b of Fig. 6A, the feed speed of the decorating sheet 71a is configured to start the timer count at the timing of switching to the low-speed from a high speed. Therefore, trigger processing increases. However, in the process of printing a defective mark 86b by the inspection apparatus 10, it is not necessary to align with high accuracy in order to ensure continuity between the defect mark 86 and the longitudinal direction positioning mark 85. Therefore, it is possible to simplify the control for imparting the defect mark 86b of the inspection apparatus 10.

Figure 11 is a flowchart showing the skip operation in the case of using the decorative sheet shown in Figure 7A. Skip operation to be set in-mold decorating apparatus in a case of using the decorative sheet 71c is as follows.
First, the feed operation of the decorative sheet 71c is started (# 30). Feed speed of the decorating sheet 71c at this time has a high speed as described above. Longitudinal mark 85c of the decorative sheet 71c, which is configured in a band which is provided intermittently in the longitudinal direction sensor 83 is a timing which does not detect a pattern 91, and has a non-transmissive state. When the decorative sheet 71c is fed in the longitudinal direction, it switched longitudinal sensor 83 detects the intermittent position 87 in the longitudinal direction positioning mark 85c from the non-transmission state to the transmission state (yes in step # 31). Note that the intermittent position 87N corresponding to the picture having the defect 91N, defect mark 86c is granted. Therefore, at a position corresponding to the defective pattern 91N, longitudinal sensor 83 can not detect an intermittent position 87. Therefore, if the longitudinal direction sensor 83 detects a transmission state, picture 91 corresponding to the detected position, it comes to not defective picture 91N. At the timing when the longitudinal direction sensor 83 is switched to the transmission state from a non-transparent state is switched to a low speed the feed speed of the decorative sheet 71c as described above (# 32).

Low speed at a feed a decorative sheet 71c, (yes in step # 33) when the longitudinal direction sensor 83 is switched from the transmitting state to the non-transmission state, stops the motor 76 (# 34). Thus, longitudinal positioning of the decorative sheet 71c is completed.

In the skip operation of the mold decorating apparatus in the case of using the decorative sheet 71c of Fig. 7A, by devising the shape of the longitudinal direction positioning mark 85c, the easy control operation without performing the time count, defect picture to be adapted to determine a good pattern. Thus, it is possible to perform a skip operation by a simple process. Further, it is also granted the defect mark 86c by the inspection apparatus 10 to realize a simple configuration, such as ink jet unit.

Figure 12 is a flowchart showing the skip operation in the case of using the decorative sheet shown in Figure 8A. Skip operation to be set in-mold decorating apparatus in a case of using the decorative sheet 71d is as follows.
First, the feed operation of the decorative sheet 71d is started (# 40). Feed speed of the decorating sheet 71d in this case has a high speed as described above. Longitudinal mark 85 of the decorative sheet 71d is attached only for good pattern 91, the longitudinal direction positioning mark 85 which has been assigned before inspection by the inspection apparatus 10 to the picture 91N having a defect has been removed. Thus, in a position corresponding to the picture having the defect 91N, since the longitudinal direction positioning mark 85 is not added, the longitudinal direction sensor 83 does not detect the longitudinal direction positioning mark 85. Therefore, the longitudinal direction sensor 83 when it detects the non-transmission state, picture 91 corresponding to the detected position, it comes to not defective picture 91N.

When the decorative sheet 71d is fed in the longitudinal direction, switched longitudinal sensor 83 is shielded in the longitudinal direction positioning mark 85 from the transparent state to the non-transmission state (yes in step # 41). At the timing when the longitudinal direction sensor 83 is switched from the transmitting state to the non-transmission state is switched to the low speed the feed speed of the decorating sheet 71d as described above (# 42).

Low speed at a feed of the decorative sheet, when the longitudinal direction sensor 83 is switched to the transmission state from the non-transmission state (yes in step # 43), stops the motor 76 (# 44). Thus, longitudinal positioning of the decorative sheet 71d is completed.

In the skip operation of the mold decorating apparatus in the case of using the decorative sheet 71d in FIG. 8A, followed by removal of the longitudinal direction positioning mark 85 corresponding to the defective pattern 91N. Thus, in-mold decorating apparatus 1 without any particular need to control for skip operation, it can be used as it is a process for the alignment operation.

As described above, according to the-mold decoration system comprising an inspection apparatus 10 and the mold decorating apparatus 1 according to this embodiment, the longitudinal corresponding to the detected defective picture 91N in the inspection step of the decorative sheet 71 since so as to impart a defect mark toward the mark, it is possible to mold the molded article by skipping the defective picture 91N during mold decorating. Therefore, in the inspection step of the decorative sheet 71, the decorative sheet 71 is not necessary to perform the cut and paste, nor to waste a good picture. Thus, the decorative sheet can be prevented from that or defective moldings to be discarded to waste is molded, it is possible to improve the manufacturing yield of good molded article.

The present invention is not limited to the above embodiments can be implemented in other various aspects.

For example, in the above embodiment, as a sensor for detecting a defect mark 86a ~ 86d in mold decorating apparatus 1 has been used a longitudinal sensor 83, so as to further include an independent sensor for detecting a defect mark 86a ~ 86d it may be configured. In this case, the positional relationship between the longitudinal direction sensor 83 and the defect mark detection sensor is preferably a different position in the width direction of the decorative sheet 71e as shown in FIG. 13.

In this case, at any timing before stopping detected and feeding operation of the decorative sheet 71e in the longitudinal direction positioning mark 85, depending on whether the sensor for inspecting a defect mark 86e is a transmission state of the picture 91,91N whether to skip may be determined.

Further, in the above embodiment, so that given the defect marks 86a ~ 86e corresponding to the pattern that has been determined to be defective picture 91N by the inspection apparatus 10, for example, the defect pattern 91N, can be visually determined it may be designated by the defect display such. The defect display, for example, such as "NG of character" and crosses, and the like. Further, as defect indication is a fact to be added to either surface of the decorative sheet 71, when subjected to side where the transfer layer 23 is provided, there is a malfunction in the skip operation If such, so that the defective display is directly transferred to the molded article during molding decorating. Therefore, in the defect inspection of the molded article after molding, by finding the defective display easily there is an effect that it is possible to perform defect inspection.

Further, in the above embodiment, the device constituting a molding simultaneous decorating system, had been configured as an independent device and a testing device 10 and mold decorating apparatus 1, also configure this integrally it can. That is, the decorative sheet 1 at the timing supplied for the mold decorating may be performed to grant the inspection and defect mark. In this case, it is sufficient to provide a defect marking unit 18 such as a line sensor unit 15 and the ink jet unit on the upstream-side frame 60a.

The present invention has been fully described in connection with the preferred embodiments thereof with reference to the accompanying drawings, various changes and modifications are to those skilled in the art is apparent. Such changes and modifications are, insofar as they do not deviate from the scope of the present invention according to the claims appended, it is to be understood as included therein.

Claims (17)

  1. Transfer layer comprising a plurality of non-defective picture and defective picture is attached to the surface of the substrate sheet, and a defect mark provided corresponding to said defective picture, the width direction positioning mark, and the longitudinal direction positioning mark is assigned decorated using the sheet, the decorative sheet was closed mold in alignment with respect to the mold and injecting a molten resin, the molding simultaneous pressurization of transferring the transfer layer on the surface of the molded article molten resin is solidified a decoration apparatus,
    And intermittently supplying the decorative sheet feed unit while the decorative sheet of the mold,
    A mark detection sensor for detecting the defect mark and the width direction positioning mark and the longitudinal direction positioning mark,
    Based on the detection result of the mark detection sensor, and the driving control unit for driving and controlling the decorative sheet feed unit to a pattern of the decorative sheet aligning with respect to the mold,
    Equipped with a,
    The drive control unit,
    When detecting the defect mark by the mark detection sensor, the drive control of the decorative sheet feed unit to skip the picture corresponding to the defect mark so as not to fit the position, mold decorating apparatus.
  2. The defect mark is the provided to be on the same level with the longitudinal direction positioning mark with respect to the longitudinal direction of the decorative sheet,
    The mark detection sensor comprises a width direction sensor for detecting the width direction positioning mark, and a longitudinal sensor for detecting the longitudinal mark and the defect mark, a mold decorating apparatus according to claim 1.
  3. The defect mark, the so equivalently as the longitudinal direction positioning mark with respect to the longitudinal direction of the decorative sheet, provided continuously to the decorative sheet feed direction downstream side of the longitudinal direction positioning mark corresponding to the defect pattern,
    The drive control unit,
    Said longitudinal sensor feed amount of the non-transmissive state at a time or the decorative sheet, depending on whether greater than a predetermined threshold value, to detect the presence or absence of the defect mark, the molding according to claim 2 decorating equipment.
  4. The defect mark is to be on the same level with the longitudinal direction positioning mark with respect to the decorative sheet feed direction, a longitudinal mark corresponding to the previous picture in the longitudinal direction positioning mark and the defect pattern corresponding to the defective picture provided between the,
    The drive control unit,
    It said longitudinal sensor feed amount of time is a transmission state or the decorative sheet, depending on whether greater than a predetermined threshold value, to detect the presence or absence of the defect mark-mold according to claim 2 decorating equipment.
  5. And closing the mold in alignment relative to the mold by injecting a molten resin, a decorative sheet used for transfer layer mold decorating apparatus to be transferred to the surface of the molded article molten resin is solidified ,
    Transfer layer comprising a plurality of non-defective picture and defective picture is attached to the surface of the substrate sheet, and a defect mark provided corresponding to said defective picture, the width direction positioning mark, and the longitudinal direction positioning mark has been granted, the pressurized decorative sheet.
  6. The width direction mark is provided to extend in a strip shape in a longitudinal direction of the decorative sheet in the width direction near one end of the decorative sheet,
    It said longitudinal marks are provided corresponding to said respective picture,
    The defect mark, the longitudinal direction positioning mark and are provided to be on the same level, the decorative sheet according to claim 5 with respect to the longitudinal direction.
  7. The defect mark, longitudinal marks are provided continuously to the decorative sheet feed direction downstream side, the decorative sheet according to claim 6 which corresponds to the defective pattern.
  8. The defect mark, the is provided between the longitudinal marks corresponding to the previous picture in the longitudinal direction positioning mark and the defect pattern corresponding to the defective pattern, a decorative sheet according to claim 6.
  9. The width direction mark is provided to extend in a strip shape in the longitudinal direction in the width direction near one end of the decorative sheet,
    It said longitudinal marks are provided on the intermittent band-shaped such that a gap is free in correspondence with the respective picture,
    The defect mark, the is provided so as to fill the gap corresponding to a defective picture, the decorative sheet of claim 5.
  10. Provided with a testing apparatus and the mold decorating apparatus,
    The test devices by inspecting whether having a decorative sheet of the respective picture defect and a transfer layer are attached longitudinally mark and the width direction positioning mark comprising a plurality of picture on the surface of the substrate sheet, the forming the decorative sheet which is the inspection intermittently supplied during the mold by decorating device, aligned to the mold on the basis of the decorative sheet and the width direction positioning mark and the longitudinal direction positioning mark and then closing the mold and injecting a molten resin in a state, a molding simultaneous decoration system for transferring the transfer layer on the surface of the molded article molten resin is solidified,
    The inspection device,
    A sensor unit pattern of the decorative sheet is determined whether or not the defect pattern optically,
    If it is determined that the defect pattern by the sensor unit has a defect marking unit that applies a defect mark corresponding to the defect pattern,
    The mold decorating apparatus,
    A decorative sheet feed unit for the supplying the decorative sheet the decorative sheet aligning with respect to the mold,
    By the decorative sheet feed unit, and the defect mark detection sensor for detecting the defect mark before aligning the decorative sheet against the mold,
    When the defect mark detection sensor detects the defect mark, and a drive control unit for driving and controlling the decorative sheet supply unit so as not to fit the position to skip the picture corresponding to the defect mark,
    Provided with, molding simultaneous decorating system.
  11. The defect mark detection sensor is a longitudinal sensor for detecting the longitudinal marks,
    The defect marking unit imparts the defect mark to the longitudinal direction positioning mark corresponding to the defective design, molding simultaneous decoration system according to claim 10.
  12. The defect marking unit is a printing unit for printing the defect mark on the decorative sheet, molding simultaneous decoration system according to claim 10 or 11.
  13. The printing unit, the decorative sheet feed direction downstream side of the longitudinal direction positioning mark corresponding to the defective picture, printing the defective mark in succession in the longitudinal direction positioning mark, the molding simultaneous decoration system according to claim 12 .
  14. The printing unit, subjecting the defect mark adding between the longitudinal marks corresponding to the previous picture of the defect pattern and longitudinal marks corresponding to the defective design, molding simultaneous pressurization of claim 12 decoration system.
  15. The printing unit, a gap corresponding to the defect pattern located between the longitudinal marks provided intermittently in a band shape such that a gap is free in correspondence with the respective picture, so fill the gap printing the defective mark, the molding simultaneous decoration system according to claim 12.
  16. The defect marking unit is a removal unit for removing a longitudinal mark corresponding to the pattern that has been determined to be the defective pattern by the sensor unit, the molding simultaneous decoration system according to claim 10 or 11.
  17. The printing unit prints the separate defect indication from the defect mark on the defective design, molding simultaneous decoration system according to claim 12.
PCT/JP2009/056888 2009-04-02 2009-04-02 Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system WO2010113310A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/056888 WO2010113310A1 (en) 2009-04-02 2009-04-02 Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/056888 WO2010113310A1 (en) 2009-04-02 2009-04-02 Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system

Publications (1)

Publication Number Publication Date
WO2010113310A1 true WO2010113310A1 (en) 2010-10-07

Family

ID=42827638

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/056888 WO2010113310A1 (en) 2009-04-02 2009-04-02 Simultaneous inmold decoration apparatus, decorative sheet, and simultaneous inmold decoration system

Country Status (1)

Country Link
WO (1) WO2010113310A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016022611A (en) * 2014-07-17 2016-02-08 日本写真印刷株式会社 Simultaneous decorating/molding system and method for producing simultaneously decorated/molded article

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004025515A (en) * 2002-06-24 2004-01-29 Sumitomo Heavy Ind Ltd Foreign substance monitoring device and foreign substances monitoring method for molding machine
JP2004098514A (en) * 2002-09-10 2004-04-02 Nissha Printing Co Ltd Transfer molding apparatus
JP2005035246A (en) * 2003-07-18 2005-02-10 Yoshida Industry Co Ltd In-mold transfer molding method and continuous film
JP2005053154A (en) * 2003-08-06 2005-03-03 Takagi Seiko Corp Molding method of decorated article
JP2006290535A (en) * 2005-04-11 2006-10-26 Nagase & Co Ltd Film slit device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004025515A (en) * 2002-06-24 2004-01-29 Sumitomo Heavy Ind Ltd Foreign substance monitoring device and foreign substances monitoring method for molding machine
JP2004098514A (en) * 2002-09-10 2004-04-02 Nissha Printing Co Ltd Transfer molding apparatus
JP2005035246A (en) * 2003-07-18 2005-02-10 Yoshida Industry Co Ltd In-mold transfer molding method and continuous film
JP2005053154A (en) * 2003-08-06 2005-03-03 Takagi Seiko Corp Molding method of decorated article
JP2006290535A (en) * 2005-04-11 2006-10-26 Nagase & Co Ltd Film slit device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016022611A (en) * 2014-07-17 2016-02-08 日本写真印刷株式会社 Simultaneous decorating/molding system and method for producing simultaneously decorated/molded article

Similar Documents

Publication Publication Date Title
US4743325A (en) Method of sticking film sheet on panel surface
US4508584A (en) Tape-laying head
US4294637A (en) Process for manufacture of a wide patterned band such as a transfer-carrying sheet and for printing on a substrate therewith
EP0686474B1 (en) Apparatus and method for molding product with pattern
EP0798250A2 (en) Apparatus for feeding foil stock in a process for making sealied sterile packages
CN1061927C (en) Automatic molding machine using release film
US5989707A (en) Printed label, method and apparatus for manufacturing printed labels, and method and apparatus for attaching printed labels
US20030192639A1 (en) Apparatus for printing and applying tape and methods of printing and applying tape
CA2102874A1 (en) Device for joining films of heat-shrinkable plastic material in a machine using said film
EP1476861A2 (en) Adhesive coated thin film label
GB2297682A (en) Automated defining & cutting of pattern pieces
WO2006011395A1 (en) Label manufacturing apparatus
JPH0775604A (en) Method and apparatus for producing fastener chain with opening insertner
EP1991466B1 (en) Label applicator system
EP2518557A1 (en) Method for continuous fabrication of liquid crystal display elements and apparatus therefor
US8951179B2 (en) Unit and method for feeding reels of a sheet-like material, in particular but not exclusively a printed plastic film with print-position marks for automatic packaging machines
US20090230588A1 (en) Transfer molding apparatus and transfer molding method
CN1130299C (en) Bag making device and method for producing foil sheet bag
JPH11309766A (en) Method and apparatus for injection molding in-mold decorating
EP0426931B1 (en) Film bonding method and apparatus for performing same
CA2823427A1 (en) Device and method for printing surfaces of material panels, especially wood panels, with a multi-color image
US20090315212A1 (en) Intermittent film forming system and intermittent film forming method
US7318877B2 (en) High speed labeling device and method
CN1966252A (en) Device to apply rubber tape
JP3751921B2 (en) Light transmitting plate device and the light guide plate molding process

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09842664

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09842664

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase in:

Ref country code: JP