WO1998042575A1 - Technique de thermoformage pour films du type ceinture - Google Patents

Technique de thermoformage pour films du type ceinture Download PDF

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Publication number
WO1998042575A1
WO1998042575A1 PCT/JP1998/001310 JP9801310W WO9842575A1 WO 1998042575 A1 WO1998042575 A1 WO 1998042575A1 JP 9801310 W JP9801310 W JP 9801310W WO 9842575 A1 WO9842575 A1 WO 9842575A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
film
strip
shaped film
belt
Prior art date
Application number
PCT/JP1998/001310
Other languages
English (en)
Japanese (ja)
Inventor
Kazuhiro Murakami
Sinya Sato
Osamu Miyazaki
Yoshinobu Kano
Tetsuya Tsumura
Original Assignee
Matsushita Electric Industrial Co., Ltd.
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 Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Publication of WO1998042575A1 publication Critical patent/WO1998042575A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts

Definitions

  • the present invention relates to a method for heat-forming a strip film for processing a blister film for packaging foods and medicines, an embossed carrier tape for storing electronic components, and the like.
  • reference numeral 37 denotes a belt-like film, which is made of a resin material or the like in which feed holes 13 for transport are provided at a constant pitch in a side band as shown in FIG. It is supplied from a delivery mechanism (not shown) wound in a shape.
  • Reference numeral 12 in FIG. 5 is a pair of transfer guides having a U-shaped cross section, and guides the supplied belt-like film 37.
  • Reference numeral 1 denotes an upper heating element disposed on the upper surface side of the band-shaped film 37, which includes an upper heater 3 for heating and an upper thermocouple 5 for temperature detection for temperature control. It is fixed to the lower surface of the L-shaped upper mounting angle 26.
  • An upper slider 15 is fixed to the outer surface of the upper mounting angle 26, and the upper slider 15 slides up and down on a slide rail 14 of a T-shaped horizontal slider 19. It is freely worn.
  • a cam follower 25 is attached to the upper end of the upper mounting angle 26, and the cam follower 25 is rotated by a driving mechanism (not shown). It is in contact with the peripheral end of the cam 8 fixed to the shaft 24.
  • Reference numeral 2 denotes a lower heating element disposed on the lower surface side of the belt-like film 37, which includes a lower heater 4 for heating and a lower thermocouple 6 for temperature detection for temperature control. It is fixed to the upper surface of the L-shaped lower mounting angle 23.
  • a lower slider 16 is fixed to the lower mounting angle 23, and is slidably mounted on a slide rail 14 of a T-shaped horizontal slider 19 upward and downward. .
  • a cam follower 22 is attached to the lower end of the lower mounting angle 23, and the cam follower 22 is rotated by a drive mechanism (not shown). It is in contact with the peripheral end of the cam 9 fixed to the shaft 21.
  • the upper heating element 1 and the lower heating element 2 slide downward and upward by the synchronous operation of the cam 8 and the cam 9 by the drive mechanism, so that the belt-shaped film 37 is moved at a predetermined interval and for a predetermined time. Heat the heated surface 37a to the moldable temperature.
  • Reference numeral 10 denotes a forming bunch installed adjacent to the upper heating body 1, and the above-mentioned band-shaped film 3 is moved by a vertical movement synchronized with a forming die 11 installed adjacent to the lower heating body 2.
  • the heating surface 37 of 7 is formed into a concave shape as shown in Fig. 8.
  • reference numerals 17 and 18 in FIG. 5 denote slide rails arranged on one side of the main body plate 20.
  • the horizontal slides are movable by driving the actuator 27.
  • Dar 19 is placed.
  • 10 b is the tip of the forming punch 10
  • 11 b is the tip of the forming die 11 facing the tip 10 b.
  • the surface shape of the tip of the upper and lower heating bodies 1 and 2, that is, the area of the heating surface 37 a of the belt-like film 37, is determined by the forming punch 10 and the forming die 11.
  • the opening area of the machined part 37 b in the figure is almost the same.
  • the belt-like film 37 transferred in the direction of arrow A in FIG. 5 into the transfer guide 12 at a predetermined pitch from the sending mechanism is used to form the upper and lower heating elements 1 and 2 at the moldable temperature.
  • the heating surface 37a is formed.
  • the belt-like film 37 is transferred at a predetermined pitch, and the heating surface 37 a heated to the moldable temperature of the belt-like film 37 is provided with the tip 1 of the molding punch 10.
  • the movement of the leading end lib of the forming die 11 is synchronized with the movement of the leading end lib to form the working part 37 b in FIG.
  • the thickness T4 is about one-fifth of the thickness T5 of the belt-shaped film 37, and there is a problem that the strength of the processed portion 37b is weakened. Disclosure of the invention
  • an object of the present invention is to increase the strength of a concave processed portion.
  • the present invention provides a belt-like film in which a heating surface of a belt-like film is heated by a heating body, and the heating surface is formed into a concave shape by punches and dies provided above and below the belt-like film.
  • the area of the heating surface is set to be larger than the opening area of the concave processing portion.
  • the thickness of the recessed process part of a strip film can be made substantially uniform including a side surface, intensity
  • FIG. 1 is a perspective view for explaining the concept of heating and forming a strip film by a strip film heating method according to one embodiment of the present invention
  • FIG. 2 is a view showing a forming process along arrow XX in FIG.
  • Fig. 3 is a front cross-sectional view of the heating element
  • Fig. 4 is a side view of the heating element
  • Fig. 5 is a perspective view of a conventional strip film heat forming apparatus
  • Fig. 6 is the same heat forming processing.
  • FIG. 7 is a cross-sectional view of the heat-formed part
  • FIG. 8 is a perspective view for explaining the concept of the heating and forming.
  • FIG. 5 One embodiment of the present invention will be described below with reference to FIGS.
  • the overall system has the same configuration as that of FIG. 5 used in the conventional example. Only the lower heating elements 1 and 2 shown in FIG.
  • the upper heating elements la and 2a have upper and lower heaters 3a and 4a, respectively.
  • the heat generation of the lower heaters 3a and 4a is controlled by the upper and lower thermocouples 5a and 6a.
  • heating blocks 1b and 2b are provided on the strip film 7 side of the upper and lower heating elements la and 2a, respectively.
  • These four heating blocks 1b and 2b have grooves 1c and 2c formed between them.
  • the four heating blocks lb and 2b and the grooves lc and 2c are opposed to each other with the strip film 7 therebetween as shown in FIG.
  • the upper and lower heating blocks 1b and 2b are provided in pairs above and below the respective heating surfaces 7a of the strip film 7 shown in FIG.
  • the strip films 7b and 2b of the heating blocks 1b and 2b are brought closer.
  • four heating surfaces 7a are formed on the strip film 7 as shown in Fig. 1, and the non-heating surface 7c formed by the grooves 1c and 2c is formed between the heating surfaces 7a. It is formed.
  • the belt-shaped film 7 is made of a polystyrene resin, a polyethylene terephthalate, or a vinyl chloride resin material.
  • 10a in FIG. 2 is the protrusion of the molding punch 10
  • 11 a is a concave portion of the molding die 11.
  • a film volume V2 to be the processed portion 7b is represented by the following (Equation 1).
  • V2 ⁇ (2xA2xTl) + (2xB2xTl) ⁇ xHl + (A2xB2xT2)
  • T1 is the side wall thickness of the processed portion 7b
  • T2 is the bottom wall thickness
  • T3 is the thickness of the heated surface of the unprocessed strip-shaped film.
  • AlxBlxT 2xHlxTl (A2 + B2) + A2xB2xT2
  • a 1XB1XT 2XH1XT1 (A2 + B2) + A1XB1XT2
  • Equation 3 By rearranging (Equation 3) for H I, (Equation 4) can be derived
  • the denominator of (Equation 4) should be small and the numerator should be large. From the gist of the present invention, A1> A2, B1> B2, and Tl and ⁇ 2 may be reduced with respect to T. However, if Tl and ⁇ 2 are reduced, the buckling strength is reduced. Will be weaker.
  • A1 is A2X1.05 to: 1.35 (preferably 1.2)
  • 81 is 821.05 to 1.35 (preferably 1. 2)
  • the band-shaped film 7 corresponding to the volume of ⁇ (AlxBl) — (A2XB2) ⁇ xT3 easily flows in the direction of the arrow P or the like.
  • the shape and area of the tip of the pair of heating blocks 1 b and 2 b exceed the shape and area of the opening of the concave processed part 7 b.
  • the number of times the area of the tip of the heating block lb, 2b is larger than the opening area of the processing part 7b is not made uniform, but the structure and shape of the processing part 7b, or the pitch and band-like shape of plural parts.
  • the optimum setting may be made according to the thickness and material of the film 7 and the heating temperature.
  • the shape of the opening of the processed portion 7b and the shape of the surface of the tip of the pair of heating elements are not limited to a quadrangle, but the same configuration and method as described above can be used for a deformed shape. Is possible. Industrial applicability
  • the strip film heat forming method of the present invention it is possible to improve the fluidity in the heat forming of the strip film, and to increase the strength of the processed portion, and It is possible to increase the drawing depth of the forming process, and it is possible to obtain the effect that the forming process of stable quality can be performed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Packages (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

L'invention a trait à une technique de thermoformage d'un film du type ceinture, doté d'une résistance remarquable, permettant d'augmenter la malléabilité du film lors de sa fabrication. On chauffe, par le dessous et le dessus, une surface (7a) - A1 x B1 - d'un film du type ceinture (7), d'une superficie environ 1, 2 fois supérieure à la surface - A2 x B2 - d'une ouverture d'une section de traitement, à une température autorisant le formage, et ce, au moyen d'un couple de blocs de chauffe (1b, 2b) et l'on procède au thermoformage de la surface ainsi chauffée (7a) au moyen d'un poinçon de moulage (10) et d'une coquille de moulage (11).
PCT/JP1998/001310 1997-03-26 1998-03-25 Technique de thermoformage pour films du type ceinture WO1998042575A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9/73103 1997-03-26
JP7310397A JPH10264908A (ja) 1997-03-26 1997-03-26 帯状フィルム加熱成形方法

Publications (1)

Publication Number Publication Date
WO1998042575A1 true WO1998042575A1 (fr) 1998-10-01

Family

ID=13508651

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/001310 WO1998042575A1 (fr) 1997-03-26 1998-03-25 Technique de thermoformage pour films du type ceinture

Country Status (2)

Country Link
JP (1) JPH10264908A (fr)
WO (1) WO1998042575A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004028782A1 (fr) * 2002-09-26 2004-04-08 Hagihara Industries Inc. Appareil de formation de bande porteuse en relief
JP2011001062A (ja) * 2009-06-16 2011-01-06 Denki Kagaku Kogyo Kk エンボスキャリアテープ及びその製造方法
JP2011001113A (ja) * 2009-06-22 2011-01-06 Denki Kagaku Kogyo Kk エンボスキャリアテープ及びその製造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1311383B1 (it) * 1999-12-30 2002-03-12 Ima Spa Metodo e apparecchiatura per la formatura di un nastro alveolato diconfezioni blister in macchine blisteratrici.
JP4200650B2 (ja) * 2000-10-20 2008-12-24 沖電気工業株式会社 電子メール要約転送システム
JP3947695B2 (ja) * 2002-08-20 2007-07-25 リケンテクノス株式会社 射出成形型装置
US7987653B2 (en) * 2004-03-03 2011-08-02 Adaptsys Limited Plastic embossed carrier tape process

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604026A (ja) * 1983-06-22 1985-01-10 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS604024A (ja) * 1983-06-22 1985-01-10 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS6011332A (ja) * 1983-06-22 1985-01-21 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS61172722A (ja) * 1985-01-25 1986-08-04 Miyuuchiyuaru:Kk 熱可塑性シ−トの加熱成形方法
JPH0314427A (ja) * 1989-06-06 1991-01-23 Dainippon Printing Co Ltd 電子部品搬送体の底材製造方法
JPH03150124A (ja) * 1989-11-06 1991-06-26 Yoshiharu Shima 真空，圧空及びプレス成形合成樹脂シートの加熱方法
JPH03289421A (ja) * 1990-04-05 1991-12-19 Asahi Kogei Kk キャリアテープの製造方法
JPH0687153A (ja) * 1992-06-24 1994-03-29 Toyobo Co Ltd プラスチック成形体の製造方法および製造装置
JP3003464U (ja) * 1994-04-25 1994-10-18 浦和ポリマー株式会社 キャリアテープ成形用加熱装置
JPH06305008A (ja) * 1993-04-22 1994-11-01 Showa Alum Corp 深絞り成形方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS604026A (ja) * 1983-06-22 1985-01-10 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS604024A (ja) * 1983-06-22 1985-01-10 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS6011332A (ja) * 1983-06-22 1985-01-21 Nippon Zanpatsuku Kk 熱可塑性合成樹脂シ−トの加熱成形方法
JPS61172722A (ja) * 1985-01-25 1986-08-04 Miyuuchiyuaru:Kk 熱可塑性シ−トの加熱成形方法
JPH0314427A (ja) * 1989-06-06 1991-01-23 Dainippon Printing Co Ltd 電子部品搬送体の底材製造方法
JPH03150124A (ja) * 1989-11-06 1991-06-26 Yoshiharu Shima 真空，圧空及びプレス成形合成樹脂シートの加熱方法
JPH03289421A (ja) * 1990-04-05 1991-12-19 Asahi Kogei Kk キャリアテープの製造方法
JPH0687153A (ja) * 1992-06-24 1994-03-29 Toyobo Co Ltd プラスチック成形体の製造方法および製造装置
JPH06305008A (ja) * 1993-04-22 1994-11-01 Showa Alum Corp 深絞り成形方法
JP3003464U (ja) * 1994-04-25 1994-10-18 浦和ポリマー株式会社 キャリアテープ成形用加熱装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004028782A1 (fr) * 2002-09-26 2004-04-08 Hagihara Industries Inc. Appareil de formation de bande porteuse en relief
JP2011001062A (ja) * 2009-06-16 2011-01-06 Denki Kagaku Kogyo Kk エンボスキャリアテープ及びその製造方法
JP2011001113A (ja) * 2009-06-22 2011-01-06 Denki Kagaku Kogyo Kk エンボスキャリアテープ及びその製造方法

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