JPH0244185A - Heating device - Google Patents
Heating deviceInfo
- Publication number
- JPH0244185A JPH0244185A JP19392788A JP19392788A JPH0244185A JP H0244185 A JPH0244185 A JP H0244185A JP 19392788 A JP19392788 A JP 19392788A JP 19392788 A JP19392788 A JP 19392788A JP H0244185 A JPH0244185 A JP H0244185A
- Authority
- JP
- Japan
- Prior art keywords
- heating
- heated
- heating furnace
- temperature
- gas
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 abstract 2
- 238000003303 reheating Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
【発明の詳細な説明】
ｒ産業上の利用分野ｊ
本発明は各種の被加熱物を連続的に加熱する際に用いて
好適な加熱装置に関する。DETAILED DESCRIPTION OF THE INVENTION r Industrial Field of Application j The present invention relates to a heating device suitable for use in continuously heating various objects to be heated.
ｒ従来の技術」
周知の通り、工場生産においては、半製品、製品などを
被加熱物とし、当該被加熱物への塗装焼付、蝋付、乾燥
、焼鈍、溶融、その他、所要の加熱が行なわれている。As is well known, in factory production, semi-finished products, finished products, etc. are the objects to be heated, and the objects to be heated are subjected to painting, baking, brazing, drying, annealing, melting, and other necessary heating. It is.
上記における加熱手段の一例として、被加熱物を加熱す
るための加熱炉と、その加熱炉の入口から出口にわたり
被加熱物を通過させるためのコンベアとを備えた加熱装
置が知られている。As an example of the heating means described above, a heating device is known that includes a heating furnace for heating an object to be heated and a conveyor for passing the object to be heated from an inlet to an outlet of the heating furnace.
かかる加熱装置を介して被加熱物を加熱するとき、たと
えば、半田付は手段を介して回路基板上に各種の素子部
品を面実装する場合、被加熱物たる回路基板を単一温度
に保持された加熱雰囲気中に通すのでなく、その回路基
板を相対温度差のある複数の加熱雰囲気中に順次通して
、邑該回路基板を所定の温度上昇カーブ（温度プロファ
イル）で段階的に昇温させることがよくある。When heating an object using such a heating device, for example, when surface-mounting various element parts on a circuit board using soldering, the circuit board, which is the object to be heated, is held at a single temperature. Instead of passing the circuit board through a heated atmosphere at a certain temperature, the circuit board is sequentially passed through a plurality of heating atmospheres with relative temperature differences, and the temperature of the circuit board is gradually increased according to a predetermined temperature increase curve (temperature profile). is common.
そのため、上記加熱炉の入口から出口にわたる炉内を、
低温の加熱ゾーン、中温の加熱ゾーン、高温の加熱ゾー
ンのごとく、相対温度差のある複数の加熱ゾーンに区分
し、かつ、コンベアを介して被加熱物を加熱炉内の各加
熱ゾーンを通過させながら、これら加熱ゾーンにより被
加熱物を段階的に温度上昇させている。Therefore, the interior of the heating furnace from the inlet to the outlet is
The furnace is divided into multiple heating zones with relative temperature differences, such as a low-temperature heating zone, a medium-temperature heating zone, and a high-temperature heating zone, and the object to be heated is passed through each heating zone via a conveyor. However, the temperature of the object to be heated is raised in stages by these heating zones.
ｒ発明が解決しようとする課題Ｊ
上述した従来技術の場合、被加熱物は、加熱炉内にある
複数の加熱ゾーンにより、段階的に加熱されて温度上昇
するが、相対温度差を有して相互に隣接する各加熱ゾー
ンにおいては、これら加熱ゾーン相互に、空気の滞留、
熱伝播などに起因した温度干渉が生じるので、被加熱物
を適切に加熱するための温度プロファイルが得られない
。rProblem to be Solved by the Invention J In the case of the above-mentioned prior art, the object to be heated is heated in stages by a plurality of heating zones in the heating furnace and the temperature rises, but there is a relative temperature difference. In each heating zone adjacent to each other, air stagnation,
Since temperature interference occurs due to heat propagation, it is not possible to obtain a temperature profile for appropriately heating the object to be heated.
その対策として、加熱ゾーンの各隣接部間に遮蔽部材を
介在させて、加熱ゾーン相互の温度干渉を抑制する提案
がなされている。As a countermeasure against this problem, a proposal has been made to interpose a shielding member between adjacent portions of the heating zones to suppress mutual temperature interference between the heating zones.
しかし、かかる提案例においてコンベアにより被加熱物
を搬送するとき、遮断部材が被加熱物の障害物となるの
で、これら遮蔽部材とコンベア表面との間に被加熱物通
過用の通路間隔を設定しなければならず、その通路間隔
を設定した分だけ、温度干渉を抑制する機能が低下する
。However, in such a proposed example, when the object to be heated is conveyed by the conveyor, the blocking member becomes an obstacle for the object to be heated, so a passage interval for passing the object to be heated is set between the shielding member and the surface of the conveyor. Therefore, the function of suppressing temperature interference decreases by the amount that the passage interval is set.
もちろん、通路間隔を設定したとしても、温度干渉を抑
制する必要上、当該通路間隔の大きさが限定されるので
、加熱炉を介して加熱処理すべき被加熱物の大きさが制
限される。Of course, even if the passage spacing is set, the size of the passage spacing is limited due to the need to suppress temperature interference, so the size of the object to be heated via the heating furnace is limited.
本発明は上述した課題に鑑み、それぞれ加熱温度の異な
る複数の加熱ゾーンを備えた加熱炉において、各加熱ゾ
ーン相互の温度干渉を高度に抑制することができ、しか
も、被加熱物の搬送機能が阻害されることのない加熱装
置を提供しようとするものである。In view of the above-mentioned problems, the present invention makes it possible to highly suppress temperature interference between the heating zones in a heating furnace equipped with a plurality of heating zones each having a different heating temperature. The aim is to provide a heating device that is unobstructed.
１課題を解決するための手段１
本発明は所期の目的を達成するため、被加熱物を加熱す
るための加熱炉と、その加熱炉の入口から出口にわたっ
て被加熱物を通過させるためのコンベアとを備えてなる
加熱装置において、上記加熱炉の入口側から出口側にわ
たる内部が、互いに加熱温度の異なる複数の加熱ゾーン
に区分されており、これら加熱ゾーン相互の境界部にお
いてガスシールドを形成するためのガス配管系が、上記
加熱炉に接続されていることを特徴とする。1 Means for Solving the Problem 1 In order to achieve the intended purpose, the present invention provides a heating furnace for heating an object to be heated, and a conveyor for passing the object to be heated from an inlet to an outlet of the heating furnace. In the heating device, the interior of the heating furnace from the inlet side to the outlet side is divided into a plurality of heating zones having different heating temperatures, and a gas shield is formed at the boundary between these heating zones. A gas piping system for the heating furnace is connected to the heating furnace.
ｒ作用Ｊ
本発明に係る加熱装置の場合、加熱炉の入口側から出口
側にわたる各加熱ゾーン相互を、たとえば、低温、中温
、高温となるよう、段階的に温度設定しておき、その後
、エンドレス回転により加熱炉内外を巡回走行するコン
ベア上に被加熱物を載せ、当該被加熱物を、加熱炉の入
口→加熱炉の内部→加熱炉の出口のごとく移動させる。r Effect J In the case of the heating device according to the present invention, the temperature of each heating zone extending from the inlet side to the outlet side of the heating furnace is set stepwise, for example, to a low temperature, a medium temperature, and a high temperature. The object to be heated is placed on a conveyor that circulates inside and outside the heating furnace by rotation, and the object to be heated is moved from the entrance of the heating furnace to the inside of the heating furnace to the exit of the heating furnace.
こうして加熱炉内を通過する被加熱物は、入口側の加熱
ゾーン、中間の加熱ゾーン、出口側の加熱ゾーンのごと
く、温度の異なる加熱雰囲気を順次移行して段階的に温
度上昇され、所定の温度に加熱される。In this way, the object to be heated passing through the heating furnace passes through heating atmospheres with different temperatures, such as the inlet heating zone, intermediate heating zone, and exit side heating zone, and is raised in temperature step by step. heated to temperature.
この際の加熱炉には、加熱ゾーン相互の境界部において
ガスシールドを形成するためのガス配管系が接続されて
おり、当該ガス配管系を介して加熱炉内におけ加熱ゾー
ン相互の境界部に適温のガスを圧送して、これら所定部
にガスシールドを形成することにより、各加熱ゾーン相
互の温度干渉が抑制される。At this time, a gas piping system is connected to the heating furnace to form a gas shield at the boundary between the heating zones, and the gas piping system is connected to the boundary between the heating zones in the heating furnace through the gas piping system. By force-feeding gas at an appropriate temperature and forming gas shields at these predetermined portions, temperature interference between the heating zones is suppressed.
その結果、加熱炉内を通過する被加熱物は、適切な温度
プロファイルにて加熱される。As a result, the object to be heated passing through the heating furnace is heated with an appropriate temperature profile.
しかも、上記ガスシールドは、被加熱物を自由に通過さ
せ、かつ、各加熱ゾーン相互の境界部をほぼ完全に遮断
するから、コンベアによる被加熱物の搬送が阻害されな
いばかりか、上記温度干渉を高度に抑制する。Moreover, the gas shield allows the object to be heated to pass through freely and almost completely blocks the boundaries between the heating zones, so it not only does not hinder the conveyance of the object to be heated by the conveyor, but also prevents the temperature interference. Highly suppressed.
ｒ実 施 例Ｊ
はじめ、本発明に係る加熱装置の第一実施例につき、第
１図を参照して説明する。Embodiment J First, a first embodiment of a heating device according to the present invention will be described with reference to FIG.
第１図において、断熱構造の壁材により構成された加熱
炉１１は、その両端に入口１２と出口１３とを有する。In FIG. 1, a heating furnace 11 made of a wall material having a heat insulating structure has an inlet 12 and an outlet 13 at both ends thereof.
加熱炉１１の内部は、その入口１２側から出口１３側に
わたり、複数の加熱ゾーン１４．１５．１６に区分され
ているとともに、これら加熱ゾーン１４．１５．１６は
、面状の電気ヒータからなる上下一対の加熱器１７．１
８、ｉｓ、２０．２】、２２をそれぞれ備えている。The interior of the heating furnace 11 extends from the inlet 12 side to the outlet 13 side and is divided into a plurality of heating zones 14, 15, 16, and these heating zones 14, 15, 16 are composed of planar electric heaters. Pair of upper and lower heaters 17.1
8, is, 20.2], and 22, respectively.
第１図において、エンドレスなコンベア２０は、たとえ
ば、金属ネットからなる耐熱性ベルトにより構成されて
いる。In FIG. 1, an endless conveyor 20 is constructed of a heat-resistant belt made of, for example, a metal net.
コンベア３０は、周知の通り、モータを介して回転され
る原動ローラとその原動ローラに追随して回転する従動
ローラなと、複数のローラ３１．３２．３３．３４に掛
は回されてエンドレス回転するようになっており、当該
コンベア３０の上行部分が、加熱炉１１の入口１２、出
口１３を利用して、その加熱炉ｌｌ内に配置され、当該
コンベア３０の下行部分が加熱炉１１外に配置されてい
る。As is well known, the conveyor 30 is rotated endlessly by a plurality of rollers 31, 32, 33, and 34, including a driving roller rotated by a motor and a driven roller rotating following the driving roller. The ascending portion of the conveyor 30 is placed inside the heating furnace 11 using the inlet 12 and outlet 13 of the heating furnace 11, and the descending portion of the conveyor 30 is placed outside the heating furnace 11. It is located.
第１図において、ガス配管系４０は、その一端（基端）
にガス吸入部４１．その他端（先端）にガス吐出部４２
がそれぞれ設けられており、かつ、ガス吸入部４１側の
管路部には、たとえば、ブロワかもなる周知のガス圧送
機４３が備えられているとともに、ガス吐出部４２側の
管路部には、たとえば、電気ヒー、夕を主体にした周知
のガス温度調整器４４が備えられている。In FIG. 1, the gas piping system 40 has one end (base end)
The gas suction part 41. Gas discharge part 42 at the other end (tip)
A well-known gas pressure feeder 43, which can also be a blower, for example, is provided in the conduit section on the gas suction section 41 side, and a well-known gas pressure feeder 43, which can also be a blower, is provided in the conduit section on the gas discharge section 42 side. For example, a well-known gas temperature regulator 44 mainly used for electric heating or heating is provided.
ガス配管系４０のガス吸入部４１側は、加熱炉１１の下
部に接続されて、そのガス吸入部４１が、加熱炉ｌｌ内
における加熱器２０．２２間に介在されている。The gas suction part 41 side of the gas piping system 40 is connected to the lower part of the heating furnace 11, and the gas suction part 41 is interposed between the heaters 20 and 22 in the heating furnace 11.
ガス配管系４０のガス吐出部４２側は、加熱炉１１の上
部に接続されて、そのガス吐出部４２が、加熱炉１１内
における加熱器１７．１９間に介在されている。The gas discharge part 42 side of the gas piping system 40 is connected to the upper part of the heating furnace 11, and the gas discharge part 42 is interposed between the heaters 17 and 19 in the heating furnace 11.
第１図において、５０は被加熱物を示す。In FIG. 1, 50 indicates an object to be heated.
かかる被加熱物５０としては、蝋付すべき電子部品（た
とえば、半田付は手段を介して各種の素子部品が面実装
される回路基板）、塗装焼付すべき金属製品、その他、
乾燥、焼鈍、溶融など、加熱を必要とする半製品ないし
製品をあげることができる。Such objects to be heated 50 include electronic parts to be soldered (for example, circuit boards on which various element parts are surface-mounted through soldering), metal products to be painted and baked, and others.
Examples include semi-finished products or products that require heating, such as drying, annealing, and melting.
本発明加熱装置の第一実施例においては、加熱炉１１の
各加熱ゾーン１４．１５．１Ｂの温度をそれぞれ加熱器
１７．１８．１９．２０．２１．２２により設定すると
き、−例として、加熱ゾーン１４が低温、加熱ゾーン１
５が中温、加熱ゾーン１６が高温となるように設定し、
しかる後、コンベア３０を駆動させて、これを加熱炉１
１の内外にわたってエンドレス回転させるとともに、加
熱炉１１の入口１２手前から、当該コンベア３０上に順
次被加熱物５０を載せる。In the first embodiment of the heating device of the present invention, when the temperature of each heating zone 14.15.1B of the heating furnace 11 is set by the heater 17.18.19.20.21.22, for example: Heating zone 14 is low temperature, heating zone 1
5 is set to medium temperature, heating zone 16 is set to high temperature,
After that, the conveyor 30 is driven and the conveyor 30 is moved to the heating furnace 1.
The objects to be heated 50 are sequentially placed on the conveyor 30 starting from just before the entrance 12 of the heating furnace 11 .
コンベア３０上に載置された被加熱物５０は、当該コン
ベア３０を介して加熱炉１１の入口１２からその内部に
導入され、加熱炉１１の出口１３に達するが、この間の
被加熱物５０は、それぞれ異なる温度に設定された各加
熱ゾーン１４．１５．１６を順次通過しながら、これら
加熱ゾーン１４．１５．１６により加熱されて段階的に
温度上昇し、所定の温度になる。The object to be heated 50 placed on the conveyor 30 is introduced into the heating furnace 11 from the inlet 12 through the conveyor 30 and reaches the outlet 13 of the heating furnace 11. During this time, the object to be heated 50 is , while sequentially passing through heating zones 14.15.16 each set at a different temperature, it is heated by these heating zones 14.15.16 and the temperature rises step by step until it reaches a predetermined temperature.
こうして被加熱物５０を加熱炉１１内で加熱するとき、
ガス配管系４０のガス圧送＠４３、ガス温度調整器４４
をそれぞれ稼働させて、ガス吐出部４２からガス吸入部
４１にわたる熱風流動性を加熱炉１１内に発生させる。When heating the object 50 in the heating furnace 11 in this way,
Gas pressure feed of gas piping system 40 @ 43, gas temperature regulator 44
are operated to generate hot air fluidity within the heating furnace 11 from the gas discharge section 42 to the gas suction section 41.
かかる熱風流動性の生じた加熱炉１１内では、その際の
気流により、相互に隣接する再加熱ゾーン１４．１５間
、再加熱ゾーン１５．１６間には、俗にエアカーテンと
称されるガスシールドＳ１、Ｓ２がそれぞれ生じ、これ
らガスシールドＳｌ、Ｓ２を介して、各加熱ゾーン１４
．１５．１Ｂ相互の温度干渉が抑制されるので、被加熱
物５０は、望ましい温度プロファイルで加熱される。In the heating furnace 11 where such hot air fluidity has occurred, the air flow at that time causes gas, commonly called an air curtain, to be formed between the mutually adjacent reheating zones 14 and 15 and between the reheating zones 15 and 16. Shields S1 and S2 are generated, respectively, and each heating zone 14 is heated via these gas shields S1 and S2.
．． 15.1B Since mutual temperature interference is suppressed, the object to be heated 50 is heated with a desired temperature profile.
つぎに′、本発明に係る加熱装欝の第二実施例につき、
第２図を参照して説明する。Next, regarding the second embodiment of the heating device according to the present invention,
This will be explained with reference to FIG.
第２図においては、前記第一実施例における加熱器１８
が省略されているほか、ガス配管系４０の先端側にガス
吐出部４Ｂ、ガス温度調整器４７がそれぞれ増設されて
おり、かつ、上記ガス吐出部４６側が加熱炉１１の上部
に接続されて、そのガス吐出部４６が、加熱炉ｌｌ内に
おける加熱器１９．２１間に介在されている。In FIG. 2, the heater 18 in the first embodiment is shown.
is omitted, and a gas discharge part 4B and a gas temperature regulator 47 are respectively added to the tip side of the gas piping system 40, and the gas discharge part 46 side is connected to the upper part of the heating furnace 11, The gas discharge part 46 is interposed between the heaters 19 and 21 in the heating furnace II.
第二実施例における他の技術的事項は、前記第一実施例
と同じである。Other technical matters in the second embodiment are the same as those in the first embodiment.
本発明加熱装置の第二実施例においても、前述したと同
様、コンベア３０を介して加熱炉１１の入口１２から加
熱炉１１の出口１３へと搬送される被加熱物５０を、互
いに温度の異なる各加熱ゾーン１４．１５．１６により
加熱し、この際、ガス圧送機４３、ガス温度調整器４４
．４７がそれぞれ稼働しているガス配管系４０を介して
、ガス吐出部４２．４６からガス吸入部４１にわたる熱
風流動性を加熱炉ｌｌ内に発生させ、かかる熱風流動性
により、相互に隣接する再加熱ゾーン１４．１５間、再
加熱ゾーン１５．１６間に、ガスシールドＳ１、Ｓ２を
それぞれ形成する。In the second embodiment of the heating device of the present invention, as described above, the objects to be heated 50 that are conveyed from the inlet 12 of the heating furnace 11 to the outlet 13 of the heating furnace 11 via the conveyor 30 are placed at different temperatures. Heating is carried out by each heating zone 14, 15, 16, and at this time, the gas pressure feeder 43, the gas temperature regulator 44
．． 47 are in operation, hot air fluidity is generated in the heating furnace 1 from the gas discharge part 42, 46 to the gas suction part 41, and this hot air fluidity causes the mutually adjacent recyclers to Gas shields S1 and S2 are formed between heating zones 14.15 and reheating zones 15.16, respectively.
したがって、第二実施例においても、これらガスシール
ドＳ１、Ｓ２を介し、各加熱ゾーン１４．１５゜１６相
互の温度干渉が抑制されるので、被加熱物５０は、望ま
しい温度プロファイルで加熱される。Therefore, in the second embodiment as well, the temperature interference between the heating zones 14, 15 and 16 is suppressed through these gas shields S1 and S2, so that the object to be heated 50 is heated with a desired temperature profile.
つぎに、本発明に係る加熱装置の第三実施例につき、第
３図を参照して説明する。Next, a third embodiment of the heating device according to the present invention will be described with reference to FIG.
第３図において、加熱炉１１内の上位に配置された各加
熱器１７．１８．２１は、前述した電気ヒータに代わり
、公知ないし周知の熱風供給器が採用されている。In FIG. 3, each of the heaters 17, 18, and 21 disposed at the upper level in the heating furnace 11 employs a publicly known hot air supply device instead of the above-mentioned electric heater.
第３図のガス配管系４０は、その先端側にガス吐出部４
２．４Ｂ、ガス温度調整器４４．４７が設けられ、これ
らガス吐出部４２．４８が加熱炉ｌｌ内の所定部に介在
されている点で前記第二実施例と同じであるが、その基
端側の管路部には、ガス吸入部４１のほか、ガス吸入部
４５が増設されており、かつ、ガス吸入部４１が加熱炉
ｌｌ内の前記所定部に介在され、ガス吸入部４５側は加
熱炉１１の下部に接続されて、そのガス吸入部４１が、
加熱炉ｌｌ内における加熱器１８．２０間に介在されて
いる。The gas piping system 40 in FIG. 3 has a gas discharge section 4 on its tip side.
2.4B is the same as the second embodiment in that a gas temperature regulator 44, 47 is provided and these gas discharge parts 42, 48 are interposed at a predetermined part in the heating furnace 11, but the base thereof is In addition to the gas suction section 41, a gas suction section 45 is additionally installed in the pipe section on the end side. is connected to the lower part of the heating furnace 11, and its gas suction part 41 is
It is interposed between heaters 18 and 20 in heating furnace II.
第三実施例における他の技術的事項は、前記各実施例と
同じである。Other technical matters in the third embodiment are the same as in each of the above embodiments.
本発明加熱装置の第三実施例においても、コンベア３０
を介して被加熱物５０を加熱炉１１の入口１２から加熱
炉１１の出口１３へと搬送し、その被加熱物５０を互い
に温度の異なる各加熱ゾーン１４．１５．１８により加
熱しているとき、ガス配管系４０のガス吐出部４２とガ
ス吸入部４５、および、ガス吸入部４８とガス吸入部４
１とを介して、互いに隣接する再加熱ゾーン１４．１５
間１両加熱ゾーン１５．１６間にそれぞれガスシールド
Ｓ１、Ｓ２を形成し、これらガスシールドＳ１．Ｓ２に
より各加熱ゾーン１４．１５．１６相互の温度干渉を抑
制するので、被加熱物５０は、望ましい温度プロファイ
ルで加熱される。Also in the third embodiment of the heating device of the present invention, the conveyor 30
When the object to be heated 50 is conveyed from the inlet 12 of the heating furnace 11 to the outlet 13 of the heating furnace 11 via the , the gas discharge part 42 and the gas suction part 45 of the gas piping system 40, and the gas suction part 48 and the gas suction part 4
1 and adjacent reheating zones 14.15 and 14.15.
Gas shields S1 and S2 are formed between the two heating zones 15 and 16, respectively, and these gas shields S1. Since temperature interference between the heating zones 14, 15, 16 is suppressed by S2, the object to be heated 50 is heated with a desired temperature profile.
「発明の効果Ｊ
以上説明した通り、本発明に係る加熱装置によるときは
、加熱炉内に設けられた加熱ゾーン相互の温度干渉が抑
制されるので、被加熱物を望ましい温度プロファイルで
加熱することができ、しかも、その温度干渉を抑制する
ものが、ガスシールドであるので、加熱炉内における被
加熱物の搬送性が阻害されない。"Effect of the Invention J As explained above, when using the heating device according to the present invention, mutual temperature interference between the heating zones provided in the heating furnace is suppressed, so that the object to be heated can be heated with a desired temperature profile. Moreover, since the gas shield suppresses the temperature interference, the conveyance of the heated object in the heating furnace is not hindered.
第１図は本発明加熱装置の第一実施例を略示した断面図
、第２図は同上の第二実施例を略示した断面図、第３図
は同上の第三実施例を略示した断面図である。
１１・・・・・・・・・・加熱炉
１２・・・・・・・・・・加熱炉の入口１３・・・・・
・・・・・加熱炉の出口１４〜１６・・・・・・加熱ゾ
ーン
１７〜２２・・・・・・加熱器
３０・・・・・・・・・・コンベア
３１〜３４・・・・・・コンベア用のローラ４０・・・
・・・・・・・ガス配管系
４１．４５・・・・・・ガス配管系のガス吸入部４２．
４６・・・・・・ガス配管系のガス吐出部４３・・・・
・・・・・・ガス配管系のガス圧送機４４．４７・・・
・・・ガス配管系のガス温度調整器５０・・・・・・・
・・・被加熱物
Ｓｌ、Ｓ２・・・・・・ガスシールド
代理人 弁理士 斎 藤 義 雄
１１１ 図
第２図FIG. 1 is a sectional view schematically showing a first embodiment of the heating device of the present invention, FIG. 2 is a sectional view schematically showing a second embodiment of the same, and FIG. 3 is a schematic sectional view of a third embodiment of the same. FIG. 11...Heating furnace 12...Heating furnace inlet 13...
...Heating furnace outlet 14-16...Heating zone 17-22...Heater 30...Conveyor 31-34... ...Roller 40 for conveyor...
...... Gas piping system 41.45... Gas suction part 42 of the gas piping system.
46... Gas discharge part 43 of the gas piping system...
......Gas pressure feeder for gas piping system44.47...
...Gas temperature regulator 50 for gas piping system...
... Heated object Sl, S2 ... Gas shield agent Patent attorney Yoshio Saito 111 Figure 2
Claims (1)
から出口にわたって被加熱物を通過させるためのコンベ
アとを備えてなる加熱装置において、上記加熱炉の入口
側から出口側にわたる内部が、互いに加熱温度の異なる
複数の加熱ゾーンに区分されており、これら加熱ゾーン
相互の境界部においてガスシールドを形成するためのガ
ス配管系が、上記加熱炉に接続されていることを特徴と
する加熱装置。In a heating device comprising a heating furnace for heating an object to be heated and a conveyor for passing the object to be heated from an inlet to an outlet of the heating furnace, the interior extending from the inlet side to the outlet side of the heating furnace is Heating characterized in that it is divided into a plurality of heating zones having different heating temperatures, and a gas piping system for forming a gas shield at the boundary between these heating zones is connected to the heating furnace. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19392788A JPH0244185A (en) | 1988-08-03 | 1988-08-03 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19392788A JPH0244185A (en) | 1988-08-03 | 1988-08-03 | Heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244185A true JPH0244185A (en) | 1990-02-14 |
Family
ID=16316058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19392788A Pending JPH0244185A (en) | 1988-08-03 | 1988-08-03 | Heating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244185A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0498364U (en) * | 1990-08-13 | 1992-08-25 | ||
| JPH04305361A (en) * | 1991-01-22 | 1992-10-28 | Kenji Kondo | Reflow soldering device |
| JPH04305362A (en) * | 1991-01-22 | 1992-10-28 | Kenji Kondo | Reflow soldering device |
| US5338008A (en) * | 1990-11-15 | 1994-08-16 | Senju Metal Industry Co., Ltd. | Solder reflow furnace |
| JP2008292117A (en) * | 2007-05-28 | 2008-12-04 | Koyo Thermo System Kk | Continuous burning apparatus |
| WO2016158335A1 (en) * | 2015-03-27 | 2016-10-06 | 住友電工焼結合金株式会社 | Conveying-type heat treatment device |
-
1988
- 1988-08-03 JP JP19392788A patent/JPH0244185A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0498364U (en) * | 1990-08-13 | 1992-08-25 | ||
| US5338008A (en) * | 1990-11-15 | 1994-08-16 | Senju Metal Industry Co., Ltd. | Solder reflow furnace |
| JPH04305361A (en) * | 1991-01-22 | 1992-10-28 | Kenji Kondo | Reflow soldering device |
| JPH04305362A (en) * | 1991-01-22 | 1992-10-28 | Kenji Kondo | Reflow soldering device |
| JP2008292117A (en) * | 2007-05-28 | 2008-12-04 | Koyo Thermo System Kk | Continuous burning apparatus |
| WO2016158335A1 (en) * | 2015-03-27 | 2016-10-06 | 住友電工焼結合金株式会社 | Conveying-type heat treatment device |
| CN107429971A (en) * | 2015-03-27 | 2017-12-01 | 住友电工烧结合金株式会社 | Conveyance formula annealing device |
| JPWO2016158335A1 (en) * | 2015-03-27 | 2018-01-25 | 住友電工焼結合金株式会社 | Conveying heat treatment equipment |
| US20180051930A1 (en) * | 2015-03-27 | 2018-02-22 | Sumitomo Electric Sintered Alloy, Ltd. | Carrier-type heat-treatment apparatus |
| US10480859B2 (en) | 2015-03-27 | 2019-11-19 | Sumitomo Electric Sintered Alloy, Ltd. | Carrier-type heat-treatment apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3884667A (en) | Tunnel furnace, and a method of operating same | |
| US7735708B2 (en) | Reflow furnace | |
| US5919039A (en) | Ovens | |
| US20050210924A1 (en) | Semi-convective forced air system having amplified air nozzles for heating low "e" coated glass | |
| JPH04501103A (en) | glass processing equipment | |
| JPH0311743B2 (en) | ||
| JPWO2014109046A1 (en) | Baking device and oven | |
| JPH0244185A (en) | Heating device | |
| CN213170006U (en) | Multi-layer lifting conveying device and energy-saving oven with same | |
| DE60236189D1 (en) | FORCED CONVECTION HEATING OVEN AND METHOD FOR HEATING GLASS PANES | |
| JPH04300066A (en) | Method and device for reflow soldering | |
| KR101835922B1 (en) | Heat treatment furnace | |
| GB1534597A (en) | Process and apparatus for heat treating elongate thermal insulating shells | |
| GB1509749A (en) | Tunnel-furnace for the heat treatment of articles | |
| US2367429A (en) | Conveyer furnace | |
| JPS6138985B2 (en) | ||
| JPH0216853Y2 (en) | ||
| US3041056A (en) | Heat treating apparatus | |
| JPH03216273A (en) | Reflow furnace | |
| JPH0310873B2 (en) | ||
| JPH0216855Y2 (en) | ||
| JP3566772B2 (en) | Temperature setting method for reflow soldering equipment | |
| US3778245A (en) | Method and apparatus for heat treating glassware | |
| US3682610A (en) | Gas hearth with particular gas-supply channels | |
| SU1177630A1 (en) | Travelling electric furnace |