JPH0564578B2 - - Google Patents
Info
- Publication number
- JPH0564578B2 JPH0564578B2 JP926987A JP926987A JPH0564578B2 JP H0564578 B2 JPH0564578 B2 JP H0564578B2 JP 926987 A JP926987 A JP 926987A JP 926987 A JP926987 A JP 926987A JP H0564578 B2 JPH0564578 B2 JP H0564578B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- mold
- heated
- resistance
- sheet
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
- 229920003002 synthetic resin Polymers 0.000 claims description 19
- 239000000057 synthetic resin Substances 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
- B29C37/0057—Moulding single grooves or ribs, e.g. tear lines
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は合成樹脂シートの高周波折曲溝加工方
法及びその装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a high-frequency bending groove processing method for a synthetic resin sheet and an apparatus therefor.
塩化ビニールシートその他の高周波により抵抗
加熱される合成樹脂シートを用いて各種の包装容
器を製作する場合、該シートはその性質上これを
直接、しかも正確に折り曲げられないので、シー
トの折曲位置において、シートを軟化させて折曲
可能な凹溝を予め形成している。この凹溝形成と
して高周波発振加熱にて行うことが提案され実用
化されている。例えばこの高周波発振加熱にて溝
付加工をするものとして特開昭48−8364号、特公
昭54−30707号、特開昭58−211407号公報に開示
されたものがある。
When manufacturing various packaging containers using vinyl chloride sheets or other synthetic resin sheets that are resistively heated by high frequency waves, due to the nature of the sheets, it is impossible to bend them directly and accurately. , the sheet is softened to form bendable grooves in advance. It has been proposed and put into practical use to form this groove using high-frequency oscillation heating. For example, there are those disclosed in JP-A-48-8364, JP-B-54-30707, and JP-A-58-211407 that perform groove processing using high-frequency oscillation heating.
しかしこの高周波発振加熱加圧にてシートに適
当な深さの凹溝を印加することはその特性からし
て熟練を要するものとなつている。 However, due to its characteristics, skill is required to apply grooves of appropriate depth to the sheet using this high-frequency oscillation heating and pressurization.
高周波の特性として初期の0.1〜0.3秒間程度は
シートが溶融する温度にまで加熱されることな
く、その後0.8〜５秒の間に急速に加熱され、前
記シートが溶融する温度に達し、該シートの溶融
が始まる。従つて所定厚のシートに最適な深さの
凹溝を形成することは作業中における金型の加圧
温度・加熱時間・加圧力等を計測し、微妙に調整
して行うことが必要である。この高周波発振加熱
の型温・時間・加圧力が適正でないと、シートが
溶断されたり、また反対に適正深さの凹溝が形成
されず折曲不可能となつたりする。均一な製品と
するには高度の熟練を要している。 As a characteristic of high frequency, the sheet is not heated to the melting temperature for about 0.1 to 0.3 seconds in the initial stage, and then heated rapidly for 0.8 to 5 seconds, reaching the melting temperature of the sheet, and the sheet is Melting begins. Therefore, in order to form a groove of the optimum depth on a sheet of a given thickness, it is necessary to measure the pressurizing temperature, heating time, pressurizing force, etc. of the mold during work and make delicate adjustments. . If the mold temperature, time, and pressure of this high-frequency oscillation heating are not appropriate, the sheet may be fused, or conversely, grooves of appropriate depth may not be formed and the sheet may become unbendable. A high degree of skill is required to produce a uniform product.
本発明はこれに鑑みて塩化ビニールシートその
他の高周波により抵抗加熱される合成樹脂シート
に簡易に、かつ正確に折目となる適正な凹溝を形
成することを目的とする。 In view of this, it is an object of the present invention to easily and accurately form appropriate grooves serving as folds in a vinyl chloride sheet or other synthetic resin sheet that is resistance-heated by high frequency waves.
上記目的を達成するため、本発明の合成樹脂シ
ートの高周波折曲溝加工方法は、所要厚の高周波
により抵抗加熱される樹脂の片面又は両面に高周
波により抵抗加熱されない樹脂を所要厚さにラミ
ネートした合成樹脂シートを高周波により抵抗加
熱するとともに溝入型で押圧することにより、合
成樹脂シートの高周波により抵抗加熱される樹脂
に折曲用凹溝を形成することを要旨とする。
In order to achieve the above object, the high-frequency bending groove processing method for a synthetic resin sheet of the present invention involves laminating a resin that is not resistance-heated by high-frequency waves to a desired thickness on one or both sides of a resin that is resistance-heated by high-frequency waves to a desired thickness. The gist of this method is to resistance-heat the synthetic resin sheet using high-frequency waves and press it with a grooving mold to form bending grooves in the resin of the synthetic resin sheet that is resistance-heated using high-frequency waves.
また、本発明の高周波により抵抗加熱される樹
脂に高周波により抵抗加熱されない樹脂をラミネ
ートした合成樹脂シートの高周波折曲溝加工装置
は、受台上に配設した下テーブルと、この下テー
ブル上方にあつて、昇降装置にて昇降されるとと
もに高周波発振装置に接続された型取付プレート
と、該型取付プレートの下面に配設した木型と、
該木型を貫通し、前記型取付プレートに突設した
溝入型とからなることを要旨とする。 In addition, the high-frequency bending groove machining device for a synthetic resin sheet in which a resin that is resistance-heated by high-frequency waves is laminated with a resin that is not resistance-heated by high-frequency waves according to the present invention has a lower table disposed on a pedestal, and a lower table arranged above the lower table. a mold mounting plate that is raised and lowered by a lifting device and is connected to a high-frequency oscillator; a wooden mold disposed on the lower surface of the mold mounting plate;
The gist is that the mold includes a grooved mold that penetrates the wooden mold and protrudes from the mold mounting plate.
所要厚の塩化ビニールシートその他の高周波に
より抵抗加熱される合成樹脂シートの片面もしく
は両面に高周波により抵抗加熱されない樹脂をも
つて所要厚さにラミネートして一体とし、この塩
化ビニールシート複合材に折曲用凹溝を型取付プ
レートの下面に木型を配した溝入型を用い、高周
波にて正確に、かつ簡易に形成する。
A vinyl chloride sheet of the required thickness or other synthetic resin sheet that is resistance heated by high frequency is laminated to the required thickness with a resin that is not resistance heated by high frequency on one or both sides, and then bent into a vinyl chloride sheet composite material. Using a groove mold with a wooden mold placed on the underside of the mold mounting plate, the grooves are precisely and easily formed using high frequency waves.
以下本発明合成樹脂シートの高周波折曲溝加工
方法及びその装置を図示の実施例にもとづいて説
明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The method and apparatus for forming high-frequency bending grooves on a synthetic resin sheet according to the present invention will be explained below based on the illustrated embodiments.
合成樹脂シートとして高周波によつて加熱され
る樹脂例えば塩化ビニールシートを用いるが、こ
れは同じ特性を有すれば他の材質のものを用いる
ことも可能である。また形成する容器等の強度等
に合わせて適正なシート厚とし、例えば0.1〜1.0
mmの塩化ビニールシートが用いられる。そしてこ
の塩化ビニールシート１の全面にわたつて高周波
加熱によつても抵抗加熱されない素材例えばアク
リル・OPS・PP・PET等の樹脂をもつてラミネ
ートする。このラミネート樹脂２は塩化ビニール
シート１のいずれか片面あるいは両面に所要厚さ
にラミネート又はコーテイングする。そして塩化
ビニールシート１にアクリルなどのラミネート樹
脂２をラミネート又はコーテイングする際、塩化
ビニールシートとラミネート樹脂との割合すなわ
ちシート厚の比はその使用目的に合わせて適正に
なるよう組み合わされるものとし、基本的には塩
化ビニールシート10〜90％、ラミネート樹脂90〜
10％の範囲で形成される。 As the synthetic resin sheet, a resin heated by high frequency, such as a vinyl chloride sheet, is used, but it is also possible to use other materials as long as they have the same characteristics. In addition, the sheet thickness should be appropriate depending on the strength of the container etc. to be formed, for example 0.1 to 1.0.
mm vinyl chloride sheet is used. Then, the entire surface of the vinyl chloride sheet 1 is laminated with a material that is not resistance-heated even by high-frequency heating, such as resin such as acrylic, OPS, PP, and PET. This laminating resin 2 is laminated or coated on one or both sides of the vinyl chloride sheet 1 to a required thickness. When laminating or coating the vinyl chloride sheet 1 with the laminate resin 2 such as acrylic, the ratio of the vinyl chloride sheet and the laminate resin, that is, the ratio of the sheet thickness, shall be combined to be appropriate depending on the purpose of use. Specifically, vinyl chloride sheet 10-90%, laminated resin 90-90%
Formed in the range of 10%.
上述の如く構成した複合合成樹脂シート（以下
複合材３という）を用いて高周波発振加熱により
折曲用の凹溝を形成する方法について次に説明す
る。 Next, a method of forming grooves for bending by high-frequency oscillation heating using the composite synthetic resin sheet (hereinafter referred to as composite material 3) constructed as described above will be described.
まず作業台又は加工機台上に複合材３を載置す
る。このときラミネート樹脂２が上方になつても
又は下方になつてもよい。図示のものはラミネー
ト樹脂２が下方となつてセツトされている。 First, the composite material 3 is placed on a workbench or processing machine stand. At this time, the laminate resin 2 may be placed above or below. The one shown is set with the laminate resin 2 facing downward.
次に折目用凹溝４を加工する位置においてその
上方に高周波の溝入型５を配し、この型５に所望
の高周波を印加して降下させ複合材３に所定圧で
押圧する。これにより塩化ビニールシート１は高
周波により溶融され、型５に折目用凹溝４が形成
されるが、ラミネート樹脂２は高周波を印加され
ても抵抗加熱することがないので、塩化ビニール
シート１が溶融してもこのラミネート樹脂は溶断
されることがなく所要深さの凹溝が確実に形成さ
れることとなる。 Next, a high-frequency grooving die 5 is placed above the crease groove 4, and a desired high frequency is applied to the die 5 to lower it and press it against the composite material 3 with a predetermined pressure. As a result, the vinyl chloride sheet 1 is melted by the high frequency, and the crease grooves 4 are formed in the mold 5. However, since the laminate resin 2 is not heated by resistance even when high frequency is applied, the vinyl chloride sheet 1 is melted by the high frequency. Even when melted, this laminate resin will not be fused and cut, and a groove of the required depth will be reliably formed.
なお塩化ビニールシートは印刷し難いが、アク
リルは簡易に印刷することができるので、該シー
トに印刷を施すことが必要な場合、ラミネート樹
脂に所望の印刷をし、塩化ビニールシートに貼合
すればよい。 Although it is difficult to print on vinyl chloride sheets, it is easy to print on acrylic sheets, so if you need to print on the sheet, you can print the desired amount on the laminate resin and paste it on the vinyl chloride sheet. good.
第２図は本発明折曲溝加工方法に用いる高周波
加工装置の一実施例図である。該図においてＡは
高周波発振装置、Ａは高周波加工装置である。高
周波加工装置Ｂは本体フレーム１０の上部にプレ
ス用の昇降装置１１を配設し、この昇降装置１１
にプレス平衡調整プレート１２を介してプレスプ
レート１３を取り付け、このプレート１３の下面
に型取付プレート１４を固定する。この型取付プ
レート１４の下面に真鍮等の金属製の溝入型１６
を突設する。この型取付プレート１４内には、塩
化ビニールシートの加熱を補助するため、溝入型
１６を常温より高めに加熱するヒータ１５を配設
することが望ましい。またこの型取付プレート１
４の下面に木型１７を設け、この木型１７を貫通
するようにして前記溝入型１６の下端を突出せし
める。 FIG. 2 is a diagram showing an embodiment of a high-frequency machining apparatus used in the bending groove machining method of the present invention. In the figure, A is a high frequency oscillation device, and A is a high frequency processing device. The high-frequency processing device B has a lifting device 11 for press disposed on the upper part of the main body frame 10, and this lifting device 11
A press plate 13 is attached to the press plate 13 via a press balance adjustment plate 12, and a mold attachment plate 14 is fixed to the lower surface of this plate 13. A grooved mold 16 made of metal such as brass is installed on the lower surface of this mold mounting plate 14.
to protrude. In order to assist in heating the vinyl chloride sheet, a heater 15 is preferably disposed within the mold mounting plate 14 to heat the grooved mold 16 to a temperature higher than room temperature. Also, this mold mounting plate 1
A wooden mold 17 is provided on the lower surface of 4, and the lower end of the grooved mold 16 is made to protrude through the wooden mold 17.
１８は下テーブル受台で、この受台１８上に下
テーブル１９を載置するとともにこの下テーブル
上に前記複合材３をセツトする。 Reference numeral 18 denotes a lower table pedestal, and a lower table 19 is placed on this pedestal 18, and the composite material 3 is set on this lower table.
２０は周波数プレート、２１は周波数調整プレ
ートで、このプレート２０，２１に前記高周波発
振装置Ａ及び型取付プレート１４がそれぞれ接続
される。 20 is a frequency plate, 21 is a frequency adjustment plate, and the high frequency oscillator A and the mold mounting plate 14 are connected to these plates 20 and 21, respectively.
この型取付プレートに木型を配設しているので
型取付プレートの保熱伝導をおさえ、しかも従来
のように型を冷却する必要がない。 Since the wooden mold is placed on the mold mounting plate, heat retention and conduction of the mold mounting plate is suppressed, and there is no need to cool the mold as in the conventional method.
本発明の合成樹脂シートの高周波折曲溝加工方
法によれば、所要厚の高周波により抵抗加熱され
る樹脂の片面又は両面に高周波により抵抗加熱さ
れない樹脂を所要厚さにラミネートした合成樹脂
シートを高周波により抵抗加熱するとともに溝入
型で押圧することにより、合成樹脂シートの高周
波により抵抗加熱される樹脂部分に折曲用凹溝を
適正な深さで容易かつ確実に形成することができ
る。
According to the high-frequency bending groove processing method for a synthetic resin sheet of the present invention, a synthetic resin sheet is formed by laminating a resin that is not resistance-heated by high-frequency waves to a desired thickness on one or both sides of a resin that is resistance-heated by high-frequency waves to a desired thickness. By applying resistance heating and pressing with a grooving die, bending grooves can be easily and reliably formed at an appropriate depth in the resin portion of the synthetic resin sheet that is resistance heated by high frequency waves.
また、本発明の合成樹脂シートの高周波折曲溝
加工装置によれば、型取付プレートの下面に木型
を配設することにより、熱伝導を防止でき、溝入
型及び型取付プレートを冷却する冷却装置が不要
となり、また、この木型は製作が容易であるた
め、装置全体の製作費を低廉にすることができ
る。 Furthermore, according to the high-frequency bending and grooving apparatus for synthetic resin sheets of the present invention, heat conduction can be prevented by arranging the wooden pattern on the lower surface of the mold mounting plate, thereby cooling the grooving mold and the mold mounting plate. Since a cooling device is not required and this wooden mold is easy to manufacture, the manufacturing cost of the entire device can be reduced.
第１図は折曲溝加工方法を示す説明図、第２図
はその装置の一実施例図である。
１は塩化ビニールシート、２はラミネート樹
脂、３は複合材、４は溝、５は型。
FIG. 1 is an explanatory diagram showing a bending groove machining method, and FIG. 2 is an embodiment of the apparatus. 1 is a vinyl chloride sheet, 2 is a laminated resin, 3 is a composite material, 4 is a groove, and 5 is a mold.
Claims (1)
片面又は両面に高周波により抵抗加熱されない樹
脂を所要厚さにラミネートした合成樹脂シートを
高周波により抵抗加熱するとともに溝入型で押圧
することにより、合成樹脂シートの高周波により
抵抗加熱される樹脂に折曲用凹溝を形成すること
を特徴とする合成樹脂シートの高周波折曲溝加工
方法。 ２ 受台上に配設した下テーブルと、この下テー
ブル上方にあつて、昇降装置にて昇降されるとと
もに高周波発振装置に接続された型取付プレート
と、該型取付プレートの下面に配設した木型と、
該木型を貫通し、前記型取付プレートに突設した
溝入型とからなることを特徴とする高周波により
抵抗加熱される樹脂に高周波により抵抗加熱され
ない樹脂をラミネートした合成樹脂シートの高周
波折曲溝加工装置。[Scope of Claims] 1 A synthetic resin sheet in which a resin that is not resistance-heated by high-frequency waves is laminated to a desired thickness on one or both sides of a resin that is resistance-heated by high-frequency waves to a desired thickness is resistance-heated by high-frequency waves and pressed with a grooved die. A method for forming high-frequency bending grooves on a synthetic resin sheet, the method comprising: forming grooves for bending in a resin that is resistance-heated by high-frequency waves in the synthetic resin sheet. 2. A lower table arranged on a pedestal, a mold mounting plate placed above the lower table that is raised and lowered by a lifting device and connected to a high-frequency oscillator, and a mold mounting plate arranged on the lower surface of the mold mounting plate. wooden mold and
High-frequency bending of a synthetic resin sheet made by laminating a resin that is resistance-heated by high-frequency waves and a resin that is not resistance-heated by high-frequency waves, characterized by comprising a grooved mold that penetrates the wooden mold and protrudes from the mold mounting plate. Grooving equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP926987A JPS63178025A (en) | 1987-01-19 | 1987-01-19 | Method and apparatus for producing bending groove in synthetic resin sheet by high frequency heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP926987A JPS63178025A (en) | 1987-01-19 | 1987-01-19 | Method and apparatus for producing bending groove in synthetic resin sheet by high frequency heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63178025A JPS63178025A (en) | 1988-07-22 |
| JPH0564578B2 true JPH0564578B2 (en) | 1993-09-14 |
Family
ID=11715730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP926987A Granted JPS63178025A (en) | 1987-01-19 | 1987-01-19 | Method and apparatus for producing bending groove in synthetic resin sheet by high frequency heating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63178025A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01128824A (en) * | 1987-11-13 | 1989-05-22 | Shin Etsu Polymer Co Ltd | Method for making fold line on laminated sheet |
| JP6360129B2 (en) * | 2016-11-17 | 2018-07-18 | ホワイトローズ株式会社 | An umbrella made of synthetic resin film. |
-
1987
- 1987-01-19 JP JP926987A patent/JPS63178025A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63178025A (en) | 1988-07-22 |
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