KR101434622B1 - Painting equipment-machine of air-duct device and method - Google Patents

Abstract

The present invention relates to a ventilating device supplying air into a painting booth in which painting is performed and, more particularly, to a ventilator of painting facility including a painting booth forming a space for a painting object to be painted and dried; an air supply duct formed to circulate air in the painting booth or outer air by being installed on the ceiling of the booth, and a grating installed on the floor to discharge air to the outside; an air inflow duct including a direction changing damper to supply air into the booth through the air supply duct; a spray fan and a heating burner delivering and heating the air coming through the air inflow duct; an air discharge duct including a ventilating fan to discharge the air in the booth to the outside; and an air circulating duct connected to the direction changing damper of the air inflow duct, the grating on the floor of the painting booth, and the air discharge duct. The ventilating device efficiently performs painting by circulating warm air or cool air in the painting booth which is painting facility when painting a painting object such as vehicles, home appliance, and industrial articles.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-

The present invention relates to an air supply device for blowing air into a painting booth in which paint is painted, and more particularly, to an air supply device for blowing air into a painting booth in which paint is painted, And air or cooling air is circulated to efficiently perform a painting operation.

Conventionally, paint booths have been installed and used in each factory to paint the exterior of the products produced in the industrial field. However, there is a problem that the workers are exposed to respiratory diseases and skin quality due to poor air inflow and exhausting facilities.

Accordingly, various air supply devices have been conventionally provided to solve such problems. An example of the supply equipment of the automatic painting equipment most commonly used in the industrial field is the conventional prior art Korean Patent Publication No. 1997-0001792 (hereinafter referred to as "prior art"), Drying apparatus "includes a painting and drying unit 15 forming a space into which an automobile can enter to paint and dry a car;

A supply duct (14) installed at an upper portion of the painting and drying unit and supplying air to the painting and drying unit, an exhaust duct (14) provided at the bottom surface of the painting and drying unit for discharging air in the painting and drying unit A circulation duct (19) provided on a bottom surface of the painting and drying unit for reusing the air in the painting and drying unit, a first suction port connected to the other end of the circulating duct, A discharge section 13 having a blower, a burner and a heat exchanger for heating the air supplied from the air supply section, and a discharge section 13 connected to one end of the discharge duct 1. A painting and drying apparatus comprising an air exhaust portion,

A damper c provided at a first suction port of the air suction unit;

A damper a provided at a second suction port of the air suction unit;

A damper b installed at the exhaust part;

And a suction filter chamber having a suction port and a suction filter chamber in which a filter is accommodated between the dispensing portion and the air suction portion (refer to FIG. 1). In the present invention, as shown in FIG. The explanation is only for the main configuration, and the other codes are disclosed in the publication, so the explanation is omitted.)

In the prior art thus constructed, since the heating air used for drying the painted vehicle in the conventional painting and drying apparatus 1 is directly discharged to the outside, a great amount of energy is consumed for heating the fresh outside air, When the filter 121 installed in the filter case 12 is replaced, the dust and impurities accumulated in the filter 121 are replaced in the replacement operation process The interior of the painting and drying chamber 15 must be cleaned after the replacement of the filter 121. In order to solve this problem, the interior of the painting and drying chamber Air is introduced into the filter 121 of the filter chamber 12 through the damper c provided at the first suction port of the air suction unit through the circulating duct 19, The air drawn through the drying chamber 15 is supplied to the interior of the painting and drying apparatus to prevent the air from being lost in temperature and the inside of the painting and drying apparatus is not separately cleaned. A circulation duct (not shown) for introducing the hot air flow in the paint chamber 152 to the lower end of the paint and drying apparatus 15 and the sidewall of the suction filter chamber 12 to circulate air through the circulating duct 19 to return air, The air intake unit 3 connected to the damper c 191 is connected to the damper c 191 and the dampers c 191 are provided separately to increase the facility cost and to further control the inflow of air through the damper c 191 There is a problem that the configuration is complicated because an electric sensor for operating the sensor is additionally provided.

Korean Patent Publication No. 1997-0001792

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to solve the above problems by providing a paint booth for painting, At the end of the operation, the drying operation is performed by warm air or high temperature. However, by re-sucking and drying the dry air supplied at a high temperature, it is possible to reduce the waste of time and energy for heating the cold air, The present invention relates to an air supply apparatus and an air supply method for a painting equipment.

 As a means for achieving the above object,

A painting booth forming a space into which the object to be painted can be inserted to paint and dry the object;

An air supply duct installed on an upper ceiling of the painting booth so as to circulate air in the outside air or the painting booth, and a grilling installed on the floor of the painting booth so as to discharge the inside air to the outside;

An air inlet duct having a direction changing damper capable of supplying outside air into the paint booth through the air supply duct;

A spray fan and a heating burner adapted to discharge and heat the air introduced through the air inlet duct;

An air discharge duct provided with an air supply fan for discharging the air in the painting booth to the outside;

A direction changing damper of the air inflow duct, and an air circulation duct installed to be connected to the grating and the air exhaust duct at the bottom of the painting booth.

 A filter unit is installed between a direction change damper installed in the air inlet duct and a spray fan driven by a motor.

And the filter unit is formed of a pocket filter.

And a carbon filter is installed between one end of the air circulation duct and the air supply duct of the air discharge duct.

And a temperature sensor is installed on one side of the painting booth so that the temperature in the painting booth can be controlled.

According to the present invention configured as described above, it is possible to supply dry air suited to the temperature during drying after painting the object to be painted in the painting booth, and to improve the working environment of the worker by circulating air in the painting booth, especially when painting.

The present invention makes it possible for the operator to work in a pleasant environment by making the objects to be painted in automobiles, household appliances, architectural structures, industrial goods, and the like painted in the painting booth smoothly ventilated, It is possible to provide a pleasant working environment by heating a supply air by operating a burner or by operating a freezing device during a summer painting operation to cool the supply air, and also to facilitate a pre-painting process, It is mixed with the outside air sucked from the air inflow duct through the duct and supplied to the painting booth of the paint drying room. Therefore, the energy loss required for heating and cooling is minimized to increase the efficiency, and the used air is purified by the carbon filter, Thereby preventing environmental pollution.

1 is a cross-sectional view showing an air flow of a conventional paint drying apparatus,
2 is a front view showing an air supply device of a painting equipment according to the present invention,
3 is a plan view showing an air supply device of a painting equipment according to the present invention,
4 is a side view showing an air supply device of a painting equipment according to the present invention,
5 is a view showing an air flow chart during operation of a painting booth in which an air supply device of a painting equipment according to the present invention is installed;
6 is an exemplary view showing an air circulation degree during drying of an object to be painted in a paint booth provided with an air supply device of a paint facility according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a front view showing an air supply device of a painting equipment according to the present invention, FIG. 3 is a plan view showing an air supply device of a painting equipment according to the present invention, FIG. 4 is a side view showing an air supply device of a painting equipment according to the present invention , And a painting booth (10) having a space portion is formed so as to allow the object to be painted to paint and dry the object to be painted.

An air inflow duct (13) is installed at one side of the painting booth (10) to allow air to flow in.

A spray fan 15 and a heating burner 17 are provided so as to discharge and heat the air introduced through the air inlet duct 13.

The spray fan 15 is driven by a spray motor 16 mounted on one side and the spray fan 15 conveys the external air introduced through the air inlet duct 13 to the heating burner 17 .

The heated burner 17 heats the introduced air and supplies the heated air into the paint booth 10 where the object to be painted is placed, thereby drying the painted object 1.

In addition, an air exhaust duct 21 is installed on the other side of the painting booth 10 where the air inlet duct 13 is installed, so that the air of the painting booth 10 can be discharged to the outside.

 The present invention is characterized in that a direction changing damper 14 is installed inside an air inflow duct 13 for introducing outside air to guide the air introduced from the air inflow duct 13 toward the painting booth 10, Through the air circulation duct 19 to the painting booth 10 via the heating burner 17. [0050]

That is, the direction-switching damper 14 is arranged so that external air is supplied into the painting booth 10 in accordance with the angle of rotation, or air is circulated through the painting booth 10 to be introduced into the painting booth 10 again And the heated air in the painting booth 10 is circulated and mixed with the outside air so as to be supplied into the painting booth 10.

The present invention is characterized in that a filter unit 22 in the form of a pocket is provided between the directional switching damper 14 and the heating burner 17 so as to circulate the air introduced from the outside or the heated air in the paint booth 10, (22) to supply only the purified air to the painting booth (10).

The air discharge duct 18 is provided with an air supply fan 20 driven by a motor 25 so that the air in the paint booth 10 can be sucked and discharged to the outside.

A carbon filter (23) is installed between the air supply fan (20) and the air circulation duct (19) to purify air discharged to the outside, thereby preventing air pollution.

A temperature sensor 24 is installed on one side of the painting booth 10 of the present invention to detect the temperature in the painting booth 10 and sent to a central processing unit CPU It is possible to control the temperature of the object to be coated in accordance with the object to be coated.

The communication with the heating burner 17 is a communication of the heating burner which is normally installed.

An air supply duct 11 is installed in the ceiling of the painting booth 10 so that air or air in the painting booth can circulate in the ceiling of the painting booth 10 and a grating 12 is installed on the bottom of the painting booth 10 The air inside the painting booth can be discharged to the outside through the air circulation duct.

The grating 12 is made of metal and has the same shape as a grating installed in a drain.

FIG. 5 is an exemplary view showing an air flow chart of a painting booth provided with an air supply device of a painting facility according to the present invention, FIG. 6 is a view showing an air flow chart of a painting booth in which an air supply device of a painting equipment according to the present invention is installed, Fig.

An embodiment of a painting booth in which an air supply device of a painting facility of the present invention is installed and an air circulation degree at the time of drying an object to be coated and working is described in detail as follows.

5 is a view for explaining an operation of the painting booth 10 in which an object to be painted is placed so that an operator can circulate the air when performing a painting operation so that the worker can work in a comfortable environment,

The operator turns the direction-switching damper 14 of the air inlet duct 13 around the hinge axis so as to close the air circulation duct 19, And the position of the damper is rotated so that the side of the portion 22 is opened.

The direction changing damper 14 is connected to the worker so as to be electrically operated by the operation of the operation unit, and the turning operation of the direction changing damper 14 is a conventional technique.

When the directional switching damper 14 closes the air circulation duct 19, the air introduced from the outside is heated by the burner in a purified state in the filter unit 22, Clean air is introduced into the painting booth through the air supply duct (11). The filter portion 22 preferably uses a pocket filter.

Typically, in the painting booth 10, the operator maintains the temperature of the room at 20 to 25 캜 during the work so that the painting operation is performed smoothly.

At this time, the air introduced into the painting booth 10 is discharged to the grating 12 installed on the floor, is then ridden by the carbon filter 23 through the air circulation duct 19, and then discharged to the air discharge duct 18 .

In this way, when the operator performs the painting operation in the painting booth 10, the outside air is introduced into the painting booth 10 through the air inlet duct 13, and then the air is discharged through the air discharge duct 18 through the air circulation duct 19, So that the painter can always be protected from harmful gases and odors by carrying out a painting operation in a pleasant space.

Of course, the temperature supplied to the painting booth 10 depending on the physical respiration conditions, the painting conditions of the painting object 1, and the outside climate when the worker operates the painting booth 10 may be selectively changed.

FIG. 6 is a view showing the circulation of air during drying of a coating object in a painting booth provided with an air supply device of a painting facility according to the present invention. This is an operation for heating a painted coating object 1 so that paint coating is well performed. For example, in the case of automobiles, the painted surface is heated to a high temperature of 60 to 200 ° C. after painting, so that the painted surface is smoothly made without fine embossing and is not peeled off or discolored in use.

At this time, when the air is heated by the high temperature and supplied to the painting booth 10, the worker is done in a state in which the painting is completed and there is no person inside.

As described above, when the object to be coated in the painting booth is heated to a high temperature, when drying, the directional switching damper 14 is rotated to open the lower air circulation duct 19 and close the air inflow duct 13.

After the direction changing damper 14 is switched as described above, the heated air in the painting booth 1 is reheated in the burner through the lower air circulating duct 19 and then sent to the air supply duct again, The air is heated to a high temperature to dry the object to be coated.

As described above, by reheating the air in the paint booth again and supplying it to the paint booth, energy can be efficiently managed and saved, rather than being formed at a high temperature by heating the external cold air.

That is, according to the present invention, the object to be coated in the painting booth is painted and heated by a high heat of 60 to 200 ° C to dry the object. In this process, when heating the air, the external cold air is heated to consume a lot of heat energy The hot air in the heated booth already heated is introduced into the heating burner 17 through the air circulation duct and heated to a predetermined temperature and then supplied to the paint booth through the air supply duct 11 to heat the object to be coated ), It is possible to increase the efficiency of heat energy and save energy for heating the air by drying the coated portion of the object to be coated.

1, in the painting operation, the external air → air inlet duct 13 → direction changing damper 14 → the filter unit 22, The spray fan 15, the heating burner, the air supply duct 11, the painting booth 10, the air circulation duct 19, the carbon filter 23, the air supply fan 20, and the air discharge duct 18 .

The air supply process for the air supply device of the present invention,

Adjusting the direction change damper (14) in the air inlet duct so that external air can be introduced;

The air introduced through the air inlet duct 13 is sucked from the spray fan 15 rotated by the driving of the spray motor 16 and filtered through the filter unit 22;

Heating the air filtered by the filter unit (22) to a temperature within the paint booth (10) in a heating burner (17);

Supplying the heated air from the heating burner (17) through the air supply duct (11) into the painting booth (10);

The heated air supplied into the painting booth 10 is dried or circulated in the painting booth 10;

The air introduced into the painting booth 10 is circulated to the process of being exhausted to the outside through the air discharge duct 18 after being filtered by the carbon filter 23 by the air supply fan 20 driven by the motor 25 So that the work environment of the operator can be improved by making the environment in the painting booth 10 comfortable. At this time, the opening state of the direction changing damper 14 may be only half when the air circulates in the painting booth.

As another embodiment of the present invention, in the process step for drying the object 1 in an oven form in the painting booth 10 of the present invention,

In the second embodiment, the drying process of the object to be coated is carried out in such a manner that the air can be circulated through the direction changing damper 14, the painting booth 10, the air circulation duct 19, the filter unit 22, the spray fan 15, Heating burner 17 → air supply duct 11 → painting booth 10 → air circulation duct 19 → direction changing damper 14 → filter section 22 → burner → air supply duct 11 → painting booth (10).

Specifically,

The air supply process for the air supply device of the present invention,

Adjusting a direction change damper in the air inlet duct so that air can be circulated without external air being introduced;

Circulating an object to be coated in the painting booth to the side of the direction changing damper through the lower grating and the air circulating duct after drying;

Sucking the air introduced from the direction changing damper side through the air circulation duct into a spray fan rotated by a motor driving and filtering through the filter;

Heating the air filtered by the filter to a temperature within the paint booth in the burner;

Supplying heated air from the burner into the paint booth through an air supply duct;

The heated air supplied into the painting booth is dried by sucking the air introduced from the side of the direction changing damper through the lower grating and the air circulating duct into the spray fan rotated by the motor driving after the object to be coated in the painting booth is dried, And then heating and supplying to the coating booth by a burner is repeated.

By repeatedly circulating the air in the paint booth through the air circulation duct in this way, the air to be heated in the painting booth is heated by repeatedly using the air filtered by the filter without heating the outside air to dry the object to be painted The energy required can be saved.

The circulating air is finally supplied to the paint booth 10, the grating 12, the air circulation duct 19, the air supply fan 20, the air discharge duct 18) are discharged in this order.

The present invention embodied as described above enables ventilation to be smoothly performed in a painting booth for painted objects such as automobiles, household appliances, architectural structures, and industrial products, so that the worker can work in a pleasant environment, There is an advantage of providing a pleasant working environment by heating the air supply by operating the hour burner, or by cooling the air supply by operating the refrigerating apparatus during the painting operation in the summer season, and also facilitates the pre- Is mixed with the outside air sucked from the air inflow duct through the air circulation duct and supplied to the paint booth of the paint color drying room, so that energy loss required for heating and cooling is minimized and the efficiency is increased.

1: Coating object 10: Painting booth
11: air supply duct 12: grating
13: air inlet duct 14: direction changing damper
15: Spray fan 16: Spray motor
17: Heating burner 18: Air exhaust duct
19: air circulation duct 20: supply fan
22: Filter part 23: Carbon filter
24: temperature sensor 25: motor

Claims (6)

delete delete delete delete The air supply process for the air supply device of the painting equipment,
The heated air in the painting booth 10 is circulated through the air circulating duct 19 to the painting booth 10 via the heating burner 17 Adjusting a direction change damper in the air inlet duct; Circulating an object to be coated in the paint booth to the side of the direction changing damper through the lower grating and the air circulating duct after drying; And a step of sucking the air introduced from the side of the direction changing damper through the air circulation duct into a spray fan rotated by the driving of a spray motor to supply the air heated by the heating burner to the painting booth through the air supply damper In the supply method of the present invention,
The air introduced from the directional switching damper side through the air inlet duct 13 or the air circulation duct is sucked by the spray fan rotated by the driving of the spray motor and is driven by the directional switching damper 14 and the spray motor 16 Filtering through a filter portion in the form of a pocket provided between the spray fans 15;
The air filtered by the filter unit is circulated through the air supply duct 11 so that the temperature of the room can be maintained at 20 to 25 캜 so that the operator in the paint booth 10 can perform the painting operation in a pleasant environment. Into the painting booth (10);
In order to dry the coated object 1 in the form of an oven after painting is completed in the painting booth 10, air heated to a temperature of 60 to 200 캜 into the painting booth is supplied from the heating burner through the air supply duct 11 ;
The heated air supplied into the painting booth 10 is dried in the painting booth 10 and then filtered by the carbon filter through the lower grating 12 and the air circulating duct 19, Venting to the air discharge duct; And a step of sucking the air introduced from the side of the direction changing damper into a spray fan rotated by the driving of a spray motor, filtering through a filter, and then supplying the heated air into a heating and painting booth by a heating burner. Supply method.
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