JPH0521274Y2 - - Google Patents
Info
- Publication number
- JPH0521274Y2 JPH0521274Y2 JP1987015176U JP1517687U JPH0521274Y2 JP H0521274 Y2 JPH0521274 Y2 JP H0521274Y2 JP 1987015176 U JP1987015176 U JP 1987015176U JP 1517687 U JP1517687 U JP 1517687U JP H0521274 Y2 JPH0521274 Y2 JP H0521274Y2
- Authority
- JP
- Japan
- Prior art keywords
- heater
- cooling tube
- cooling
- heat exchanger
- cast
- 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
- 238000001816 cooling Methods 0.000 claims description 54
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000000452 restraining effect Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Pipe Accessories (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は合成樹脂の押出成形機における押出シ
リンダ等に設けられる冷却管付ヒータに関する。[0003] [Field of Industrial Application] The present invention relates to a heater with a cooling tube that is provided on an extrusion cylinder or the like of an extrusion molding machine for synthetic resins.
［従来の技術］
従来、冷却管付ヒータは、アルミニユウム材等
の金属材を用いて鋳造された伝熱板１を有してい
る。[Prior Art] Conventionally, a heater with a cooling tube has a heat transfer plate 1 cast using a metal material such as aluminum material.
伝熱板１の板厚内にはシーズヒータのようなヒ
ータ３と、冷却管５とが鋳込みにより埋設されて
いる。 A heater 3 such as a sheathed heater and a cooling pipe 5 are embedded within the thickness of the heat transfer plate 1 by casting.
このような、伝熱板１においては、例えば合成
樹脂成形機の押出シリンダのような被加熱体の外
周面に当接して用いられる。 Such a heat exchanger plate 1 is used in contact with the outer circumferential surface of an object to be heated, such as an extrusion cylinder of a synthetic resin molding machine.
被加熱体は筒状に形成されているので、この被
加熱体の外周面に当接される。このため、伝熱板
１は半円筒形に鋳造されて、この伝熱板１を二つ
用いて、被加熱体の外周面に対称に当接して用い
る。 Since the object to be heated is formed in a cylindrical shape, it is brought into contact with the outer peripheral surface of the object to be heated. For this reason, the heat exchanger plate 1 is cast into a semi-cylindrical shape, and two of the heat exchanger plates 1 are used in symmetrical contact with the outer peripheral surface of the object to be heated.
このように、伝熱板１と、伝熱板１の板厚内に
ヒータ３及び冷却管５を埋設した冷却管付ヒータ
においては、被加熱体を加熱するとともに、被加
熱体が一定の温度を過ぎると冷却管５に通水が行
われて冷却される。 In this way, in the heat exchanger plate 1 and the heater 3 and the cooling tube 5 embedded within the thickness of the heat exchanger plate 1, the heater with cooling tubes heats the object to be heated and maintains the temperature of the object to be heated at a constant temperature. After passing through, water is passed through the cooling pipe 5 and cooled.
即ち、冷却管付ヒータでは、ヒータ３と冷却管
５とを用いて、温度の制御が可能なため、合成樹
脂成形機による樹脂成形用の部品として用いられ
ている。 That is, in the heater with a cooling tube, since the temperature can be controlled using the heater 3 and the cooling tube 5, it is used as a component for resin molding in a synthetic resin molding machine.
［考案が解決しようとする問題点］
しかしながら、冷却管付ヒータに用いられてい
る冷却管５は、伝熱板１の板厚内に鋳込まれてい
るため、大きな熱応力が加わり、短期に破壊され
てしまうという問題がある。[Problems to be solved by the invention] However, since the cooling tubes 5 used in the heater with cooling tubes are cast into the thickness of the heat exchanger plate 1, large thermal stress is applied and The problem is that it gets destroyed.
それ故に、本考案の目的は、冷却管に加わる拘
束力を弱めて、長期にわたり作業が可能な冷却管
付ヒータを提供することにある。 Therefore, an object of the present invention is to provide a heater with a cooling tube that can be used for a long period of time by weakening the restraining force applied to the cooling tube.
［問題点を解決するための手段］
本考案によれば、流体を輸送する筒状の被加熱
体の外周面に当接するための曲面を形成した伝熱
板と、該伝熱板の板厚内に鋳込んだヒータ及び冷
却管とを含む冷却管付ヒータにおいて、上記冷却
管の外周面の一部分は、上記伝熱板の板面から外
部に露出して鋳込まれていることを特徴とする冷
却管付ヒータが得られる。[Means for Solving the Problems] According to the present invention, there is provided a heat transfer plate having a curved surface for contacting the outer peripheral surface of a cylindrical heated body for transporting fluid, and a plate thickness of the heat transfer plate. A heater with a cooling pipe that includes a heater and a cooling pipe cast inside the heater, wherein a part of the outer circumferential surface of the cooling pipe is cast so as to be exposed to the outside from the plate surface of the heat exchanger plate. A heater with a cooling tube is obtained.
［作用］
本考案の冷却管付ヒータを用いると、伝熱板の
板面から冷却管の一部分が露出しているため、冷
却管の拘束力が弱まり、熱応力に対して、冷却管
の露出部分にて逃げ部分となる。[Function] When using the heater with a cooling tube of the present invention, a portion of the cooling tube is exposed from the plate surface of the heat exchanger plate, so the restraining force of the cooling tube is weakened, and the exposure of the cooling tube is reduced against thermal stress. This part becomes an escape part.
このため、冷却管にかかる応力を緩衝されて、
冷却管の破壊を防ぐ。 Therefore, the stress on the cooling pipe is buffered,
Prevent damage to cooling pipes.
［実施例］
第１図及び第２図は、本考案の冷却管付ヒータ
の一実施例を示している。[Embodiment] FIGS. 1 and 2 show an embodiment of the heater with a cooling tube of the present invention.
図示の冷却管付ヒータは、アルミニユウム材等
の金属材を用いて鋳造により作られた伝熱板１１
を有している。 The illustrated heater with a cooling tube has a heat transfer plate 11 made by casting using a metal material such as aluminum material.
have.
伝熱板１１の板厚内には、シーズヒータのよう
なヒータ１３及び冷却管１５が鋳込まれている。 A heater 13 such as a sheathed heater and a cooling pipe 15 are cast into the thickness of the heat transfer plate 11.
冷却管１５の外周面の一部分は、伝熱板１１の
板面から外部に向けて露出して鋳込まれている。 A part of the outer circumferential surface of the cooling pipe 15 is cast in the heat transfer plate 11 so as to be exposed to the outside from the plate surface.
このようにして、伝熱板１１の板厚内にヒータ
１３及び冷却管１５が鋳込まれて冷却管付ヒータ
が作られている。 In this way, the heater 13 and the cooling pipe 15 are cast within the thickness of the heat exchanger plate 11, thereby producing a heater with a cooling pipe.
この際、伝熱板１１の一側面には、流体を輸送
する筒状の被加熱体１８に当接するように曲面が
形成されている。 At this time, a curved surface is formed on one side of the heat exchanger plate 11 so as to come into contact with the cylindrical heated body 18 that transports the fluid.
即ち、伝熱板１１は半円筒形に作られているの
で、この冷却管付ヒータを、二つ用いて被加熱体
１８の外周面に突き合わせると、ほぼ円筒形に組
合されて被加熱体１８に設けることができる。 That is, since the heat exchanger plate 11 is made in a semi-cylindrical shape, when two heaters with cooling tubes are used and butted against the outer peripheral surface of the object to be heated 18, they are assembled into a substantially cylindrical shape and the object to be heated is 18 can be provided.
このようにすると、押出シリンダなどの被加熱
体１８の外周面から被加熱体１８は加熱されるた
め、被加熱体１８の内部を通過する流体をも加熱
できる。 In this way, since the object to be heated 18 such as an extrusion cylinder is heated from the outer circumferential surface of the object to be heated 18, the fluid passing through the inside of the object to be heated 18 can also be heated.
また、被加熱体１８が一定の温度を越えた際に
は、冷却管１５の内部に水を供給して、被加熱体
１８の温度が下げられる。 Further, when the temperature of the heated object 18 exceeds a certain level, water is supplied into the cooling pipe 15 to lower the temperature of the heated object 18.
したがつて、被加熱体１８は、一定の温度が保
たれるため、作業が円滑に行われる。 Therefore, the heated object 18 is kept at a constant temperature, so that the work can be carried out smoothly.
第３図及び第４図は本考案の冷却管付ヒータの
他の実施例を示している。 FIGS. 3 and 4 show other embodiments of the heater with cooling pipes of the present invention.
第３図に示す冷却管付ヒータは、伝熱板１１の
外周面の板面に、冷却管１５の一部分が露出して
鋳込まれている。このようにしても、冷却管付ヒ
ータにおいては、加熱と冷却が可能である。 In the heater with cooling tubes shown in FIG. 3, cooling tubes 15 are partially exposed and cast into the outer peripheral surface of the heat transfer plate 11. Even in this case, heating and cooling are possible in the heater with a cooling tube.
第４図に示す冷却管付ヒータは、各ヒータ１３
の間に冷却管１５が鋳込まれている。例えば、冷
却管１５及びヒータ１３を蛇行して鋳込むと、第
４図に示す構造が得られる。 The heater with cooling pipe shown in FIG.
A cooling pipe 15 is cast in between. For example, if the cooling pipe 15 and heater 13 are cast in a meandering manner, the structure shown in FIG. 4 will be obtained.
なお、本考案は、上記の実施例に限らず、伝熱
板１１を平板形状として、冷却管１５と、ヒータ
１３とを鋳込むことも可能である。 Note that the present invention is not limited to the above-mentioned embodiments, but it is also possible to make the heat exchanger plate 11 into a flat plate shape and to cast the cooling pipes 15 and the heater 13 therein.
そして、冷却管１５は冷却の目的以外に熱交換
用の管体とすれば、ヒータ１３により管体内の水
を湯として用いるドリツプ式コーヒ沸し器の熱板
としても用いることができる。 If the cooling pipe 15 is used not only for cooling purposes but also for heat exchange, it can also be used as a hot plate for a drip-type coffee boiler that uses the water in the pipe as hot water using the heater 13.
［考案の効果］
以上実施例により説明したように、本考案の冷
却管付ヒータによれば、冷却管の一部分が伝熱板
の板面から外部にまで露出して鋳込まれているの
で、熱サイクルによる応力に拘束される力が弱ま
るため長寿命の冷却管付ヒータを提供できる。[Effects of the invention] As explained above with reference to the embodiments, according to the heater with a cooling tube of the present invention, a part of the cooling tube is exposed from the surface of the heat exchanger plate to the outside and is cast. Since the restraining force due to stress caused by thermal cycles is weakened, it is possible to provide a heater with a cooling tube that has a long life.
また、冷却管とヒータとは、伝熱板を鋳造する
際に同時に鋳込まれるため、作業が容易となる。 Further, since the cooling pipe and the heater are cast at the same time when the heat exchanger plate is cast, the work becomes easier.
第１図は本考案の冷却管付ヒータの一実施例を
用いて被加熱体に設けた状態を示す正面図、第２
図は第１図のＡ−Ａ断面図、第３図及び第４図は
本考案の冷却管付ヒータの他の実施例を示す断面
図、第５図は、従来の冷却管付ヒータの正面図、
第６図は、第５図のＢ−Ｂ断面図である。
１……伝熱板、３……ヒータ、５……冷却管、
１１……伝熱板、１３……ヒータ、１５……冷却
管、１８……被加熱体。
Fig. 1 is a front view showing a state in which an embodiment of the heater with a cooling tube of the present invention is installed on an object to be heated;
The figure is a sectional view taken along the line A-A in FIG. 1, FIGS. 3 and 4 are sectional views showing other embodiments of the heater with a cooling tube of the present invention, and FIG. 5 is a front view of a conventional heater with a cooling tube. figure,
FIG. 6 is a sectional view taken along line BB in FIG. 1...Heat exchange plate, 3...Heater, 5...Cooling pipe,
11... Heat exchanger plate, 13... Heater, 15... Cooling pipe, 18... Heated object.
Claims (1)
するための曲面を形成した伝熱板と、該伝熱板の
板厚内に鋳込んだヒータ及び冷却管とを含む冷却
管付ヒータにおいて、上記冷却管の外周面の一部
分は、上記伝熱板の板面から外部に向けて露出し
て、鋳込まれていることを特徴とする冷却管付ヒ
ータ。 A heater with a cooling tube, which includes a heat exchanger plate having a curved surface for contacting the outer peripheral surface of a cylindrical heated body that transports fluid, and a heater and a cooling tube cast into the thickness of the heat exchanger plate. In the heater with a cooling tube, a part of the outer circumferential surface of the cooling tube is cast so as to be exposed to the outside from the plate surface of the heat exchanger plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015176U JPH0521274Y2 (en) | 1987-02-04 | 1987-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015176U JPH0521274Y2 (en) | 1987-02-04 | 1987-02-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63123089U JPS63123089U (en) | 1988-08-10 |
| JPH0521274Y2 true JPH0521274Y2 (en) | 1993-05-31 |
Family
ID=30805864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987015176U Expired - Lifetime JPH0521274Y2 (en) | 1987-02-04 | 1987-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521274Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6380427B2 (en) * | 2016-02-29 | 2018-08-29 | 株式会社安川電機 | Linear motor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830668U (en) * | 1981-08-25 | 1983-02-28 | 新神戸電機株式会社 | Clamp-type load holder for lifting machines |
-
1987
- 1987-02-04 JP JP1987015176U patent/JPH0521274Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5830668U (en) * | 1981-08-25 | 1983-02-28 | 新神戸電機株式会社 | Clamp-type load holder for lifting machines |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63123089U (en) | 1988-08-10 |
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