JPH0375489A - Heating furnace - Google Patents
Heating furnaceInfo
- Publication number
- JPH0375489A JPH0375489A JP21191689A JP21191689A JPH0375489A JP H0375489 A JPH0375489 A JP H0375489A JP 21191689 A JP21191689 A JP 21191689A JP 21191689 A JP21191689 A JP 21191689A JP H0375489 A JPH0375489 A JP H0375489A
- Authority
- JP
- Japan
- Prior art keywords
- belt conveyor
- belt
- workpiece
- lifting roller
- heating furnace
- 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.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000004381 surface treatment Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000010306 acid treatment Methods 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- DQIPXGFHRRCVHY-UHFFFAOYSA-N chromium zinc Chemical compound [Cr].[Zn] DQIPXGFHRRCVHY-UHFFFAOYSA-N 0.000 description 3
- 238000007747 plating Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は主としてボルト、ナツト等の小物のワークをメ
ツキ、燐酸処理、亜鉛−クロム処理等の表面処理を行な
った後、乾燥あるいはキュアーするための加熱炉に関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention is mainly used for drying or curing small workpieces such as bolts and nuts after surface treatment such as plating, phosphoric acid treatment, zinc-chromium treatment, etc. This relates to a heating furnace.
従来は第６図に示すように内部に加熱室（２）を形成し
た加熱炉（１）の加熱室（２）内にベルトコンベア（３
）を設置して、メツキ、燐酸処理、亜鉛−クロム処理等
の表面処理を行なった後のボルトあるいはナツト等の小
物のワークＷを該ベルトコンベア（３）上に載置し、該
加熱炉（１）の入口側（４）から出口側（５）に搬送し
つ＼核加熱室（２）内で該ワークＷの加熱処理を行なっ
ていた。Conventionally, as shown in FIG.
), and after surface treatment such as plating, phosphoric acid treatment, zinc-chromium treatment, etc., a small workpiece W such as a bolt or nut is placed on the belt conveyor (3), and the heating furnace ( The workpiece W was being transported from the inlet side (4) to the outlet side (5) of 1) and was subjected to heat treatment in the nuclear heating chamber (2).
上記従来構成ではワークＷが小物であり、ベルトコンベ
ア（３）上に載置された時にワークＷ相互が重なったり
して充分加熱処理が行きわたらないと云う問題点があっ
た。しかし該ベルトコンベア（３）上のワークＷを例え
ば攪拌翼等で攪拌すると、該ワークＷの表面処理膜やワ
ークＷ自身が損傷するおそれもある。In the above-described conventional structure, the workpieces W are small, and when placed on the belt conveyor (3), there is a problem that the workpieces overlap with each other, making it difficult to heat the workpieces sufficiently. However, if the work W on the belt conveyor (3) is agitated, for example, with a stirring blade, there is a risk that the surface treatment film of the work W or the work W itself may be damaged.
本発明は上記従来の課題を解決するための手段として、
入口（１４）側から出口（１５）側にワークＷを搬送す
るベルトコンベア（１３）を加熱室（１２）内に設置し
、該ベルトコンベア（１３）のベルト（１３）Ａの所定
個所を裏面から持上げローラー（１８）にて持上げ。The present invention, as a means for solving the above-mentioned conventional problems,
A belt conveyor (13) that conveys the work W from the entrance (14) side to the exit (15) side is installed in the heating chamber (12), and a predetermined part of the belt (13) A of the belt conveyor (13) is placed on the back side. Lift it up using the lifting roller (18).
該持上げローラー（１８）の少くとも出口側を押えコロ
（１９）によって上側から押えて傾斜部分（１３）Ｇを
形成した加熱炉（１１）を提供するものである。A heating furnace (11) is provided in which at least the exit side of the lifting roller (18) is pressed from above by a pressing roller (19) to form an inclined portion (13)G.
ベルトコンベア（１３）のベルト（１３）Ａには持上げ
ローラー（１８）と押えコロ（１９）により傾斜部分（
１３）Ｇが形成されている。該ベルトコンベア（１３）
上にボルト、ナツト等のワークＷを載置して加熱炉（１
１）の入口（１４）側から出口（１５）側へ搬送しつＮ
加熱室（１２）内で該ワークＷを加熱処理するのである
が、該ワークＷはベルト（１３）Ａの傾斜部分（１３）
Ｇを通過する際に転動し、相互に重なっていたワークＷ
がひっくり返される。The belt (13) A of the belt conveyor (13) has an inclined portion (
13) G is formed. The belt conveyor (13)
Workpieces W such as bolts and nuts are placed on top of the heating furnace (1
1) from the inlet (14) side to the outlet (15) side.
The workpiece W is heat-treated in the heating chamber (12), and the workpiece W is attached to the inclined portion (13) of the belt (13)A.
Workpieces W rolled while passing through G and overlapped each other.
is turned upside down.
したがって本発明においてはベルトコンベア（１３）の
ベルト（１３）Ａ上のワークＷが、ベルト（１３）Ａの
傾斜部分（１３）Ｇを通過する時に転動するから、加熱
処理をワークＷに均一に行きわたらせることが出来る。Therefore, in the present invention, since the workpiece W on the belt (13)A of the belt conveyor (13) rolls when passing through the inclined part (13)G of the belt (13)A, the heat treatment is uniformly applied to the workpiece W. It can be spread throughout the world.
本発明を第１図〜第５図に示す一実施例によって説明す
れば、加熱炉（１１）は内部に加熱室（１２）を形成し
、該加熱室（１２）内にはベルトコンベア（１３〉が設
置される。該ベルトコンベア（１３）はネット状の無端
ベルト（１３）Ａと、該無端ベルト（１３）Ａ両側に配
される一対の無端チエイン（１３）Ｂ、 （１３）Ｂと
、該無端チエイン（１３）Ｂ、 （１３）Ｂの両端が懸
架される駆動ギア（１３）Ｄ、 （１３）Ｅとからなり
、該無端ベルト（１３）Ａは第２図に示すように該一対
の無端チエイン（１３）Ｂ、（１３）Ｈに差渡されてい
る複数個の横棒（１３）Ｆによって該無端チエイン（１
３）Ｂ、 （１３）Ｂと結合されており、該駆動ギア（
１３）Ｅはモーター（１６）にベルト（１７）を介して
連絡している。該ベルトコンベア（１３）の無端ベルト
（１３）Ａは無端チエイン（１３）Ｂ、 （１３）Ｂと
共に所定個所において持上げローラー（１８）によって
裏面から持上げられ、また持上げローラー（１８）の前
後で押えコロ（１９） 、 （１９）が上部から当接押
圧する。このようにして無端ベルト（１３）Ａは無端チ
エイン（１３）Ｂ、 （１３）Ｂを介して持上げローラ
ー（１８）の前後で押えコロ（１９） 、 （１９）に
より上側から押えられ、該無端ベルト（１３）Ａには該
持上げローラー（１８）の両端に傾斜部分（１３）Ｇ、
（１３）Ｇが形成される。上記持上げローラー（１８
）および押えコロ（１９） 、 （１９）は夫々加熱炉
（１１）の側壁部（１１）Ａに取付けられている軸受（
２０） 、 （２１）によって支持されている。なお（
２２）は加熱炉（１１）の加熱バーナー、（２３）はベ
ルトコンベア（１３）の出口（１５）側に配されるワー
クＷのシュータ−である。The present invention will be described with reference to an embodiment shown in FIGS. 1 to 5. A heating furnace (11) has a heating chamber (12) formed inside, and a belt conveyor (13) is provided in the heating chamber (12). > is installed.The belt conveyor (13) includes a net-like endless belt (13)A, and a pair of endless chains (13)B, (13)B arranged on both sides of the endless belt (13)A. , the endless chain (13)B, and the drive gears (13)D and (13)E, both ends of which are suspended, and the endless belt (13)A is as shown in FIG. A pair of endless chains (13)B and (13)H are connected by a plurality of horizontal bars (13)F,
3) B, (13) is connected to B, and the drive gear (
13) E is connected to the motor (16) via a belt (17). The endless belt (13)A of the belt conveyor (13) is lifted from the back side by a lifting roller (18) at a predetermined location along with the endless chains (13)B, (13)B, and is held down before and after the lifting roller (18). Rollers (19) and (19) abut and press from above. In this way, the endless belt (13)A is pressed from above by the presser rollers (19), (19) before and after the lifting roller (18) via the endless chains (13)B, (13)B, and The belt (13)A has inclined portions (13)G at both ends of the lifting roller (18),
(13) G is formed. The above lifting roller (18
) and presser rollers (19), (19) are each mounted on a bearing (11) A of the heating furnace (11).
20) and (21). In addition(
22) is a heating burner of the heating furnace (11), and (23) is a shooter for the workpiece W arranged on the exit (15) side of the belt conveyor (13).
上記構成において該ベルトコンベア（１３）を駆動ギア
（１３）Ｄ、 （１３）Ｅ、無端チエイン（１３）Ｂ、
（１３）Ｂを介してモーター（１６）によって第１図
矢印方向に駆動させ、該ベルトコンベア（１３）の入口
（１４）側の加熱炉（１１）から若干外出している外出
部分においてメツキ、燐酸処理、亜鉛−クロム処理等の
表面処理を施したボルト、ナツト等の小物のワークＷを
載置する。該ワークＷは該ベルトコンベア（１３）の無
端ベルト（１３）Ａ上で付着した残液を振り切りつＮ加
熱炉（１１）の入口（１４）側から出口（１５）側へ搬
送せられつＮ加熱室（１２）内で加熱処理を受ける。こ
の際、該無端ベルト（１３）Ａの持上げローラー（１８
）による下りの傾斜部分（１３）ＧにおいてワークＷが
第５図に示すように転動して相互に重なっているワーク
Ｗがひっくり返される。このようにしてワークＷは三個
所の下りの傾斜部分（１３）Ｇを通過する度毎に損傷す
ることなくひっくり返され、加熱処理を均一に受け、加
熱炉（１１）の出口（１５）からシュータ−（２３）を
介して排出される。In the above configuration, the belt conveyor (13) is connected to drive gears (13)D, (13)E, endless chain (13)B,
(13) Drive the motor (16) in the direction of the arrow in FIG. A small workpiece W such as a bolt or nut that has been subjected to surface treatment such as phosphoric acid treatment or zinc-chromium treatment is placed thereon. The workpiece W is conveyed from the inlet (14) side to the outlet (15) side of the heating furnace (11) while shaking off the residual liquid adhering to it on the endless belt (13) A of the belt conveyor (13). It undergoes a heat treatment in a heating chamber (12). At this time, the lifting roller (18) of the endless belt (13)A
), the workpieces W roll as shown in FIG. 5 at the downwardly inclined portion (13)G, and the workpieces W overlapped with each other are overturned. In this way, the workpiece W is turned over without being damaged each time it passes through the three downwardly inclined parts (13)G, receives the heat treatment uniformly, and passes through the chute from the outlet (15) of the heating furnace (11). -(23).
本実施例以外、例えば第６図に示すように持上げローラ
ー（１８）の出口側にのみ押えコロ（１９）を配して該
押えコロ（１９）により無端ベルト（１３）Ａを押圧し
てもよい。Other than this embodiment, for example, as shown in FIG. 6, a presser roller (19) may be arranged only on the exit side of the lifting roller (18) and the endless belt (13) A may be pressed by the presser roller (19). good.
第１図〜第５図は本発明の一実施例を示すものであり、
第１図は側断面図、第２図は加熱炉上半分切欠斜視図、
第３図は第２図におけるＡ−Ａ断面図：第４図は第２図
におけるＢ−Ｂ断面図、第５図はベルト持上げ部分側面
図、第６図は他の実施例の無端ベルト部分側面図、第７
図は従来例の説明図である。
図中、（１１）・・・・・加熱炉、（１２）・・・・・
加熱室。
（１３）・・・・・ベルトコンベア、
（１３）Ａ・・・・・無端ベルト、
（１３）Ｇ・・・・・持上げ部分、
（１８）・・・・・持上げローラー。
（１９）・・・・・押えコロ
第５図
第６図1 to 5 show an embodiment of the present invention,
Figure 1 is a side sectional view, Figure 2 is a cutaway perspective view of the upper half of the heating furnace,
Fig. 3 is a cross-sectional view taken along line AA in Fig. 2; Fig. 4 is a cross-sectional view taken along line B-B in Fig. 2; Fig. 5 is a side view of the belt lifting portion; and Fig. 6 is a section of the endless belt of another embodiment. Side view, 7th
The figure is an explanatory diagram of a conventional example. In the figure, (11)... Heating furnace, (12)...
heating chamber. (13)...Belt conveyor, (13)A...Endless belt, (13)G...Lifting portion, (18)...Lifting roller. (19)・・・Presser roller Fig. 5 Fig. 6
Claims (1)
加熱室内に設置し、該ベルトコンベアのベルトの所定個
所を裏面から持上げローラーにて持上げ、該持上げロー
ラーの少くとも出口側を押えコロによって上側から押え
て傾斜部分を形成したことを特徴とする加熱炉A belt conveyor that conveys the workpiece from the entrance side to the exit side is installed in the heating chamber, a predetermined part of the belt of the belt conveyor is lifted from the back side with a lifting roller, and at least the exit side of the lifting roller is lifted from the upper side with a holding roller. A heating furnace characterized by having an inclined portion formed by pressing down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21191689A JPH0375489A (en) | 1989-08-17 | 1989-08-17 | Heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21191689A JPH0375489A (en) | 1989-08-17 | 1989-08-17 | Heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0375489A true JPH0375489A (en) | 1991-03-29 |
| JPH0411788B2 JPH0411788B2 (en) | 1992-03-02 |
Family
ID=16613786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21191689A Granted JPH0375489A (en) | 1989-08-17 | 1989-08-17 | Heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375489A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI643958B (en) * | 2017-08-31 | 2018-12-11 | 陳柏榕 | Metal heat treatment machine |
| JP2019092430A (en) * | 2017-11-22 | 2019-06-20 | エヌケーエンジニアリング株式会社 | Rice ball producing apparatus |
| TWI696704B (en) * | 2019-03-19 | 2020-06-21 | 輯興熱處理工業股份有限公司 | Colorizing method and device |
| TWI716899B (en) * | 2019-03-19 | 2021-01-21 | 輯興熱處理工業股份有限公司 | Colorizing method |
-
1989
- 1989-08-17 JP JP21191689A patent/JPH0375489A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI643958B (en) * | 2017-08-31 | 2018-12-11 | 陳柏榕 | Metal heat treatment machine |
| JP2019092430A (en) * | 2017-11-22 | 2019-06-20 | エヌケーエンジニアリング株式会社 | Rice ball producing apparatus |
| TWI696704B (en) * | 2019-03-19 | 2020-06-21 | 輯興熱處理工業股份有限公司 | Colorizing method and device |
| TWI716899B (en) * | 2019-03-19 | 2021-01-21 | 輯興熱處理工業股份有限公司 | Colorizing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411788B2 (en) | 1992-03-02 |
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