JPS614186A - Method of producing arcuate heater - Google Patents
Method of producing arcuate heaterInfo
- Publication number
- JPS614186A JPS614186A JP12416484A JP12416484A JPS614186A JP S614186 A JPS614186 A JP S614186A JP 12416484 A JP12416484 A JP 12416484A JP 12416484 A JP12416484 A JP 12416484A JP S614186 A JPS614186 A JP S614186A
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- bent
- sheathed heater
- heater
- plate
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 8
- 239000000758 substrate Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は樹脂成形機のシリンダー、輸送パイプ等の外周
面に取り付けてシリンダ内の樹脂材料或いはパイプ内の
流体を加熱する円弧状加熱体の製法に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention is an arc-shaped heating element that is attached to the outer peripheral surface of a cylinder of a resin molding machine, a transport pipe, etc., and heats the resin material in the cylinder or the fluid in the pipe. Regarding the manufacturing method.
（従来の技術）
従来、樹脂成形機のシリンダー、輸送パイプ等の加熱は
第７図に示す如くシーズヒータ（４）を円弧状アルミニ
ウム板（２ａ）に鋳込んで形成した円弧状加熱板（１）
が提案されている。この加熱板は古くから使用されてい
るマイカとニクロム線を円弧状金属帯の間に挾んで形成
した所謂バンドヒータに較べて耐久性は優れている。(Prior Art) Conventionally, cylinders, transport pipes, etc. of resin molding machines are heated using an arc-shaped heating plate (1) formed by casting a sheathed heater (4) into an arc-shaped aluminum plate (2a), as shown in Fig. 7. )
is proposed. This heating plate has better durability than the so-called band heater, which has been used for a long time and is formed by sandwiching mica and nichrome wire between arc-shaped metal bands.
（発明が解決しようとする問題点）
しかし、シーズヒータ（４）がアルミニウム板（２ａ）
の板面に対して傾いた状態で鋳込まれたとしても外部か
らはそれが判らず、そのためアルミニウム板（２ａ）の
内面を切削加工仕上けを行なったとき、アルミニラ４１
−．板（２ａ ）の内面とシーズヒータ（４）との間の
肉厚（ａ点とｂ点）が一様にならず、シーズヒータ（４
）の一部がアルミニウム板（２ａ）から露出した不良品
となる問題があった。(Problem to be solved by the invention) However, the sheathed heater (4) is made of an aluminum plate (2a)
Even if the aluminum plate (2a) is cast in an inclined state with respect to the plate surface, it will not be visible from the outside, so when the inner surface of the aluminum plate (2a) is finished by cutting, the aluminum plate (2a)
−． The wall thickness (points a and b) between the inner surface of the plate (2a) and the sheathed heater (4) is not uniform, and the thickness of the sheathed heater (4) is not uniform.
) was exposed from the aluminum plate (2a), resulting in a defective product.
（問題を解決するための方法）
板面内部４を貫通し両端に開口する貫通孔（３）或は板
表面に嵌込み溝（５）を開設した金属製基板（２）の貫
通孔或は嵌込み溝にシーズヒータ（４）を挿入する工程
基板を加圧してシーズヒータと一緒に円弧状に彎曲させ
る工程
を一連に実施する。(Method for solving the problem) A through hole (3) that penetrates the inside of the plate surface 4 and is open at both ends, or a through hole of the metal substrate (2) that has a groove (5) inserted into the plate surface; Inserting the sheathed heater (4) into the fitting groove A series of steps are carried out in which the substrate is pressurized and curved into an arc together with the sheathed heater.
（作用及び効果）
貫通孔（３）又は溝（５）が基板（２）の板面に対し平
行であれば、基板を円弧状に彎曲させてもヒータと金、
属板の内面との間の肉厚は一定に保つことが出−莱：る
。(Operation and Effect) If the through hole (3) or groove (5) is parallel to the plate surface of the substrate (2), even if the substrate is curved in an arc, the heater and the metal,
The wall thickness between the metal plate and the inner surface can be kept constant.
（実施例）
第２図は本発明の方法によって形成した一対の半円状加
熱体＋１） １１を樹脂成形機のシリンダ（６）の外周
に被せて、締付バンド（７）にて固定した状態を示−〇
。、６゜
第１図の如く加熱体（１）はアルミニウムの押出し材（
８）を押出し方向と直交して切断し形成した基板基板（
２）は長さ約６００ｍｍ１幅長さ約１００ｍｍ。(Example) Figure 2 shows a pair of semicircular heating elements +1) formed by the method of the present invention, which were placed over the outer periphery of the cylinder (6) of a resin molding machine and fixed with a tightening band (7). Indicates the condition -〇. , 6° As shown in Fig. 1, the heating element (1) is an extruded aluminum material (
8) is cut perpendicularly to the extrusion direction to form a substrate (
2) is approximately 600mm long, 100mm wide and 100mm long.
板厚さ約８咽である。The board is approximately 8 mm thick.
基板（２）の一方の板表面には長手方向の全長に亘って
高さ０５〜１ｍｍ、幅は約５１１ｎの平行突条（２１１
２１＋が形成され、該突条（２１１２１＋に対応して板
には直径約６９叫の平行貫通孔＋３＋ ＋３１が開設さ
れる。On the surface of one plate of the substrate (2), parallel protrusions (211
21+ is formed, and parallel through holes +3+ +31 with a diameter of about 69mm are opened in the plate corresponding to the protrusions (21121+).
上記基板（２）に対し、突条（２υ（２＋＋の両端を切
欠いて貫通孔＋３１ （３）に達する幅約７咽の切欠き
部■（２渇を形成する。On the substrate (2), cut out both ends of the protrusion (2υ(2++) to form a notch (2) with a width of about 7 mm that reaches the through hole +31 (3).
貫通孔（３）に直径６．５ ｗｎのシーズヒータ（４）
を挿入パ尤、該ヒータの両端を貫通孔（３）から臨出さ
せて、突条（２１１（２１＋が外側へ向く様にロールプ
レス等によって基板（２）を半円状に曲げる。A sheathed heater (4) with a diameter of 6.5 wn is installed in the through hole (3).
After inserting the heater, both ends of the heater are exposed through the through hole (3), and the substrate (2) is bent into a semicircular shape using a roll press or the like so that the protrusions (211 (21+) face outward).
シーズヒータ＋４＋ ＋４１の両端を外側へ屈曲して突
条２１１ （２１）の切欠き部（２２） （２２）から
外方に臨出させる。Both ends of the sheathed heater +4+ +41 are bent outward to project outward from the notches (22) (22) of the protrusion 211 (21).
上記の手順で完成した一対の半円状加熱体＋１１ ｉｌ
＋を対称的に合わせてシリンダ（６）を挾み、外周を締
付バンド（７）にて固定する。A pair of semicircular heating elements completed by the above procedure + 11 il
Place the cylinder (6) between the cylinders (6) and secure the outer periphery with the tightening band (7).
第４図は切欠き部を形成しない基板（２）を半円状に曲
け、更に基板の両側縁を外側に屈曲させた他の実施例で
あって、前記第３図の実施例の様に基板（２）に対し、
シーズヒータ（４）の端部を逃す切欠き部（２２）を設
ける必要はない。FIG. 4 shows another embodiment in which the substrate (2) having no notch is bent into a semicircular shape, and both edges of the substrate are bent outward, similar to the embodiment shown in FIG. 3. For the board (2),
There is no need to provide a cutout (22) for letting the end of the sheathed heater (4) escape.
第５図は基板（２）の両端を外側へ曲けて後全体を円筒
状に曲けた他の実施例である。FIG. 5 shows another embodiment in which both ends of the substrate (2) are bent outward and the entire back is bent into a cylindrical shape.
第６図は相手シリンダを加熱することは勿論、必要に応
じて冷却することも出来る特殊な加熱板（１）を示して
おり、基板（２）にはシーズヒータ挿通用の２本の貫通
孔＋３１ Ｆ３）の内側へ後記する冷却水パイプ（９）
を嵌める平行嵌込み溝＋５１ ＋５１が開設され、合溝
（５）の両側縁に突出片（５１１（５２）を突設してい
る。Figure 6 shows a special heating plate (1) that can not only heat the mating cylinder but also cool it if necessary, and the board (2) has two through holes for inserting the sheathed heater. +31 Cooling water pipe (9) to be described later inside F3)
Parallel fitting grooves +51 and +51 are provided to fit the fitting grooves (5), and projecting pieces (511 (52)) are provided on both sides of the fitting grooves (5).
合溝＋５） ＋５＋の内側の突片（５１１（５１）の一
端に切欠き（５３） （５３１を開設し、両切欠き間の
板面に浅い凹条（５４）を開設する。A notch (53) (531) is created at one end of the inner protrusion (511) of the matching groove +5+, and a shallow groove (54) is created on the plate surface between both the notches.
」−記基板（２）の貫通孔＋３１ ＋３＋に前記と同様
にしてシーズヒータ（４）を挿通し、両嵌込み溝１５）
及び凹条−）に跨がってＵ字状に屈曲した銅製の冷却水
パイプ（９）を嵌める。Insert the sheathed heater (4) into the through holes +31 +3+ of the board (2) in the same manner as above, and insert the two fitting grooves 15).
A copper cooling water pipe (9) bent in a U-shape is fitted across the grooves and grooves.
次にプレス機によって突出片（５１１＋５２）を内側に
屈曲して冷却水パイプ（９）を包み、基板（２）と冷却
水パイプを一体化する。Next, the protruding pieces (511+52) are bent inward using a press to wrap around the cooling water pipe (9), thereby integrating the substrate (2) and the cooling water pipe.
次いで基板（２）を前記同様にし彎曲する。The substrate (2) is then bent in the same manner as described above.
尚、本発明の実施に際し、基板に第６図に示す様な板の
全長に延びる嵌込み溝（５）にシーズヒータ（４）を嵌
めて基板（２）を彎曲させても可い。In carrying out the present invention, the sheathed heater (4) may be fitted into a fitting groove (5) extending the entire length of the board as shown in FIG. 6, and the board (2) may be curved.
上記の如く本発明は基板（２）の貫通孔（３）又は嵌込
み溝（５）にシーズヒータ（４）を挿入し、基板とヒー
タを同時に円弧状に屈曲するため、従来の鋳込み方法に
較べ、生産能率が向上し又、板面とヒータとの間の板の
肉厚が一定する等、優れた効果を有す。As described above, the present invention inserts the sheathed heater (4) into the through hole (3) or fitting groove (5) of the substrate (2), and simultaneously bends the substrate and the heater into an arc shape, so it does not require the conventional casting method. In comparison, it has excellent effects such as improved production efficiency and a constant thickness of the plate between the plate surface and the heater.
第１図は基板の斜面図、第２図は加熱板の取付は状態を
示す正面図、第３図は第２図■−■線に沿う断面図、第
４図・第５図は他の実施例の断面図、第６図は他の実施
例の斜面図、第７図は従来例の断面図である。
（２）・・・基板 （３）・・・貫通孔（４
）・・・シーズヒータFigure 1 is an oblique view of the board, Figure 2 is a front view showing how the heating plate is installed, Figure 3 is a sectional view taken along the line ■-■ in Figure 2, and Figures 4 and 5 are other FIG. 6 is a sectional view of the embodiment, FIG. 6 is a perspective view of another embodiment, and FIG. 7 is a sectional view of the conventional example. (2)... Board (3)... Through hole (4
)...Sheathed heater
Claims (1)
５）を開設した金属製基板（２）の該孔（３）或は溝（
５）にシーズヒータ（４）を挿入し、基板（２）を加圧
して円弧状に彎曲させたことを特徴とする円弧状加熱体
の製法。 ［２］基板（２）には貫通孔（３）及び板の端部に貫通
孔（３）に連通する切欠き部（２２）が開設されており
、基板（２）を半円状に曲げた後、シーズヒータ（４）
の端部を切欠き部（２２）側へ屈曲する特許請求の範囲
第１項に記載の円弧状加熱体の製法。 ［３］基板（２）を円弧状に屈曲し更に両端を外向きに
屈曲する特許請求の範囲第１項に記載の円弧状加熱体の
製法。[Claims] [1] Through holes (3) or fitting grooves (
5) of the metal substrate (2) in which the holes (3) or grooves (
5) A method for manufacturing an arcuate heating body, characterized in that a sheathed heater (4) is inserted into the heating element, and the substrate (2) is pressurized to curve into an arcuate shape. [2] The board (2) has a through hole (3) and a notch (22) at the end of the plate that communicates with the through hole (3), and the board (2) is bent into a semicircular shape. After that, turn on the sheathed heater (4)
A method for manufacturing an arc-shaped heating element according to claim 1, wherein the end of the heating element is bent toward the notch (22). [3] The method for manufacturing an arc-shaped heating element according to claim 1, wherein the substrate (2) is bent into an arc shape, and both ends are bent outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12416484A JPS614186A (en) | 1984-06-15 | 1984-06-15 | Method of producing arcuate heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12416484A JPS614186A (en) | 1984-06-15 | 1984-06-15 | Method of producing arcuate heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS614186A true JPS614186A (en) | 1986-01-10 |
Family
ID=14878527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12416484A Pending JPS614186A (en) | 1984-06-15 | 1984-06-15 | Method of producing arcuate heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS614186A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126089U (en) * | 1988-02-22 | 1989-08-29 | ||
| JPH0492632U (en) * | 1990-12-28 | 1992-08-12 |
-
1984
- 1984-06-15 JP JP12416484A patent/JPS614186A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01126089U (en) * | 1988-02-22 | 1989-08-29 | ||
| JPH0492632U (en) * | 1990-12-28 | 1992-08-12 |
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