JPH089593Y2 - Hot air dryer for surface treated products - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention is applied to surface-treated products such as
The present invention relates to a warm air drying device that dries a product plated by a plating device with warm air.

[0002]

2. Description of the Related Art Conventionally, as a hot air dryer for this type of surface-treated product, a fan for agitating the air inside the apparatus main body and an inlet / outlet for a hanger for hanging the air inside the apparatus main body are provided above the main body of the dryer. In some cases, a warm air outlet is provided in the lower part so that the hot air blown out from the warm air outlet and the workpiece attached to the hanger are dried by the fan.

[0003]

However, in the above-mentioned prior art, only the fan is provided on the upper part of the dryer main body, and when the fan is rotated at a high speed, the air sucked by the fan becomes air near the fan. Since it is limited, the amount of air sucked in is small and the amount of air blown out is also small, so that hot air cannot be efficiently blown to the object to be processed, and the drying may be non-uniform, resulting in dry bleeding. Further, as described above, since warm air drying by a fan cannot be expected so much, the temperature of the warm air blown from the warm air outlet must also be relatively high, and an oxide film is likely to be formed on the surface of the object to be treated, Further, there is a problem that it causes a loss of heat energy.

Therefore, in view of the above problems, the present invention circulates the air in the main body of the drying device smoothly and quickly to make the drying of the object to be processed uniform, prevent the formation of an oxide film, and save the heat source. It is an object of the present invention to provide a hot air drying device for processed products.

[0005]

In order to achieve the above object, the present invention takes the following technical means. That is, it is an aspect of the present invention, the inlet and outlet of the hanger to be suspended in the apparatus body to the drying apparatus body is provided, comprising a <br/> temperature air outlet in the apparatus main body, said hanger and one side A partition plate is provided between the partition wall and the side wall of the device main body to form a warm air circulation chamber between the partition plate and the side wall, and a suction fan that sucks the air inside the device main body into the partition plate and this suction fan And a discharge fan for discharging air into the main body of the apparatus ,
Surface-treated product that dries the object to be processed attached to the hanger
In hot air drying apparatus, a fan suction partition plate discharge
It is equipped with a plurality of suction fans and suction fans and discharge fans.
The point is that the arrangement of stairs is staggered .

The feature of the present invention is that
Entrance / exit of a hanger that allows the device body to hang down inside the device body
And a warm air outlet in the main body of the device.
A partition plate is provided between the gar and the side wall of the device body on one side of the gar.
A hot air circulation chamber between the partition plate and the side wall,
A suction fan that sucks the air inside the main unit
Discharge to discharge the air sucked by the suction fan into the main body of the device
Equipped with a fan and attached to the hanger
In hot air drying apparatus of the surface-treated product for drying things, specifications
The cut plate is equipped with a plurality of suction fans and discharge fans,
The arrangement of the suction fan and the discharge fan, the lower row suction
As a fan and a staggered pattern in which the upper row discharges and becomes a fan
There is a point.

[0007]

The object to be processed is attached to the hanger, which is hung on a support rail and hung down in the main body of the apparatus, and hot air is blown from the hot air outlet and the fan is rotated. Thereby, the warm air blown out from the warm air outlet comes into contact with the object to be processed, and the warm air is sucked into the warm air circulation chamber by the suction fan,
It is discharged into the main body of the apparatus by the discharge fan and abuts on the object to be processed. That is, since the amount of air discharged by the discharge fan is sucked in by the suction fan, a sufficient amount of discharged air can be secured,
The warm air is circulated smoothly and quickly in the main body of the apparatus, and the warm air is effectively blown to each object to be processed. As a result, the object to be treated is uniformly dried, and there is no occurrence of dry bleeding.
Further, since the fan can efficiently perform drying, the temperature of the hot air from the hot air outlet can be low, and the formation of an oxide film, which is likely to occur on the surface of the object to be processed during high temperature drying, is prevented.

Further, since the partition plate is provided with a plurality of suction fans and discharge fans, and the arrangement of the suction fans and the discharge fans is staggered, the warm air in the main body of the apparatus is circulated more smoothly and quickly. It

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment of a hot-air drying device for surface-treated products according to the present invention. In each drawing, 1 is a box-type drying device main body, and a box-shaped warm air guide portion 3 is provided on the bottom plate 2 of the device main body 1 from the front and rear walls 22 toward the center. Slit-shaped hot air outlets 9 are provided on both sides in the longitudinal direction. A warm air intake 23 is provided in a portion of the front and rear walls 22 corresponding to the warm air guide 3, and a heat source device 10 including a burner using gas, kerosene, propane or the like as a fuel is provided outside thereof. ing.

A large number of objects to be processed 5 are provided on the upper part of the apparatus main body 1.
An entrance / exit 24 for the hanger 6 that can be attached is provided, and the entrance / exit 24 is equipped with an opening / closing lid 8. Two support rails 4 are provided above the support rails 4 in the front-rear direction at intervals in the width direction.
By hanging the hanger 6 on the 4
Can be hung inside the device body 1.

Further, inside the both side walls 11 of the apparatus main body 1,
Partition plates 12 are provided at predetermined intervals.
A hot air circulation chamber 13 is formed between the side wall 12 and the side wall 11. The partition plate 12 has a suction fan that sucks in the air inside the device body 1.
14 and the air sucked in by this suction fan 14
A discharge fan 14 for discharging inside is provided. As shown in FIGS. 3 and 4, the suction fan 14 and the discharge fan 14 are provided in a staggered manner, and the lower row is the suction fan 14 and the upper row is the discharge fan 14. It is located in.

The heat source device 10 and the fan 14 can be controlled in temperature, heat quantity, air flow rate, wind speed, etc. by a control device, and a drain 15 is provided at the bottom of the device body 1. . Next, the use of the warm air drying device will be described. First, the workpiece 5 is hung on the hanger 6, the opening / closing lid 8 of the apparatus main body 1 is opened, the hanger 6 is hung on the support rail 4, and the opening / closing lid 8 is closed. Then, the burner is ignited to blow hot air from the hot air outlet 9 and the fan 14
To rotate. As a result, the warm air blown out from the warm air outlet 9 comes into contact with the workpiece 5 below, and the warm air is sucked into the warm air circulation chamber 13 by the suction fan 14 and discharged from the fan 14.
As a result, the air is discharged into the apparatus main body 1 and abuts against the object to be treated 5 above, and the hot air in the apparatus main body 1 is sucked into the warm air circulation chamber 13 by the suction fan 14.

Therefore, since the amount of air blown out by the discharge fan 14 is sucked in by the suction fan 14, the amount of discharged air does not decrease, and the warm air is circulated smoothly and quickly in the apparatus main body 1. The object 5 is effectively blown with warm air, so that the object 5 to be treated can be uniformly dried and no drying stain is generated. In addition, since the fan 14 can perform efficient drying, the temperature of the hot air blown out from the hot air outlet 9 can be low (around 60 ° C), and the heat source can be saved and oxidation of the plating film can be prevented. be able to. That is, since it is possible to prevent unevenness of the plating color, it is suitable for drying the colored chromate treatment (particularly black chromate treatment).

The suction fan 14 and the discharge fan 14 may be arranged alternately in the front-rear direction, and one of the fans 14 facing in the width direction may be discharged.
4, the other one can be arranged as the suction fan 14 so that the warm air circulates smoothly and quickly in the width direction. Figure 5
Shows a second embodiment of the present invention, in which the two support rails 4 in the first embodiment are made one, and other configurations and effects are the same as those in the first embodiment, and therefore the same reference numerals are used. The description is omitted.

FIG. 6 shows a third embodiment of the present invention, in which the partition plates 12 on both sides in the second embodiment are provided only on one side, and other configurations and effects are similar to those of the first embodiment. Therefore, the same reference numerals are given and the description thereof is omitted. The present invention is not limited to the above embodiment, but a fan
The 14 may be provided in one row or multiple rows instead of two rows in the upper and lower rows, and the warm air guide portion 3 may be provided from one side of the front and rear walls 22 toward the other side.

[0016]

According to the present invention, the hot air from the hot air outlet and the fan circulate the hot air smoothly and quickly in the main body of the apparatus, and the hot air is effectively blown to each object to be processed. The processed product can be dried uniformly and the occurrence of dry bleeding can be prevented. Furthermore, since the fan can perform efficient drying, the temperature of the hot air from the hot air outlet is low and the oxide film It is possible to prevent the generation and to save energy of the heat source.

[Brief description of drawings]

FIG. 1 is a schematic front vertical sectional view showing a first embodiment of the present invention.

FIG. 2 is a plan sectional view of FIG.

FIG. 3 is a side sectional view of FIG.

FIG. 4 is a partially omitted perspective view of FIG.

FIG. 5 is a schematic front vertical sectional view showing a second embodiment of the present invention.

FIG. 6 is a schematic front vertical sectional view showing a third embodiment of the present invention.

[Explanation of symbols]

 1 Drying device body 5 Workpiece 6 Hanger 9 Hot air outlet 10 Heat source device 11 Side wall 12 Partition plate 13 Hot air circulation chamber 14 Fan 24 Inlet / outlet

Claims (2)

[Scope of utility model registration request] 1. A provided doorway of the hanger to be suspended in the drying apparatus body to the apparatus main body, comprising a temperature air outlet in the apparatus main body, the partition plate between the hanger and the side wall of one side of the apparatus main body Is provided as a hot air circulation chamber between the partition plate and the side wall, and the partition plate draws in the air inside the device main body and the suction fan discharges the air sucked into the main body into the device. A hanger with a fan
Drying the object to be processed attached to the surface with warm air
In the dryer, the partition plate is equipped with multiple suction fans and discharge fans.
And make the arrangement of the suction fan and the discharge fan staggered.
Warm air drying apparatus of the surface-treated product, characterized in that there. 2. A drying apparatus main body is hung inside the apparatus main body.
There is a hanger entrance and exit, and hot air is blown into the device body.
A hanger and a side wall of the device body on one side thereof.
A partition plate is provided between the partition plate and the side wall, and hot air is blown between the partition plate and the side wall.
A circulation chamber is used, and the partition plate sucks in the air inside the device.
The suction fan and the air sucked by this suction fan
The hanger includes a discharge fan that discharges into the main body.
Drying the object to be processed attached to the surface with warm air
In the dryer, the partition plate is equipped with multiple suction fans and discharge fans.
Position the suction fan and the discharge fan in the lower row.
It is a staggered fan that is a mixed fan and the upper row discharges
A hot air drying device for surface-treated products, which is characterized in that