CN214917806U - Hot air circulation baking finish box - Google Patents
Hot air circulation baking finish box Download PDFInfo
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- CN214917806U CN214917806U CN202120965259.5U CN202120965259U CN214917806U CN 214917806 U CN214917806 U CN 214917806U CN 202120965259 U CN202120965259 U CN 202120965259U CN 214917806 U CN214917806 U CN 214917806U
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Abstract
The utility model discloses a steam cycle baking finish case belongs to baking finish stoving field. Comprises a baking oven body and a heat energy converter, wherein the baking oven body comprises a baking channel and a baking frame; an air duct is arranged outside the drying tunnel; the air purifier comprises a first purifier and a second purifier, and the heat energy converter is connected between the first purifier and the second purifier; the top of the drying tunnel is provided with at least one air inlet channel with controllable flow. The utility model discloses heated air circulation, calorific loss is few, and the combustor energy consumption is low, can save the energy consumption greatly. The air inlet channel can be adjusted to enter fresh air according to actual requirements; the inlet of the air inlet channel can be reduced in the drying stage, and the entering fresh air can flow out of the redundant paint on the surface, so that the whole workpiece is kept flat. In the cooling stage, stop the combustor heating, open inlet air channel completely, let in cold air, can take away hot-blast, the cooling is quick, improves production efficiency.
Description
Technical Field
The utility model relates to a baking finish field of drying, concretely relates to steam cycle baking finish case.
Background
The baking finish is to apply primer and finish on the base material for three times, and send the base material into a dust-free constant-temperature baking room for one time of painting, and then finish the shaping and stabilization by drying operation. Baking finish divide into low temperature baking finish and high temperature baking finish, and current baking finish equipment mainly adopts hot-blast baking, and hot-blast to divide into two kinds of forms, if directly through hot-blast import and hot-blast export, a large amount of heat energy of wasting of this kind of mode, and wind directly blows to, makes the wet paint on the work piece to flow towards certain direction easily and piles up, influences workpiece quality. The other mode is to circulate the hot air, the hot air outlet is connected with the combustor for adding again, and the scheme can reasonably utilize heat energy, is efficient and saves energy. However, different materials and different baking varnishes have different adopted temperatures, the temperature control is generally set at a burner, and the temperature reaction in the oven has certain delay. And the cooling after drying also adopts natural cooling, so that the aging is long, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can reduce heat energy and run off, make work piece surface lacquer layer even, the cooling is quick, integrative steam cycle baking finish case of stoving-cooling.
In order to achieve the above purpose, the present invention is realized by the following technical solutions:
a hot air circulation paint baking box comprises a baking box body and a heat energy converter, wherein a baking channel is arranged in the baking box body, and a baking frame is arranged in the baking channel; an air duct is formed between the inner wall of the drying oven body and the outer wall of the drying tunnel; the air purifier comprises a first purifier and a second purifier, and the heat energy converter is connected between the first purifier and the second purifier;
the first ventilation path sequentially passes through the first purifier, the heat energy converter and the second purifier and then enters the air channel;
the air duct comprises an air inlet and a first air outlet; the second purifier is connected with the air inlet and conveys hot air into the air duct; the first air outlet is connected with an inlet of the heat energy converter through an air pipe;
the top of the drying tunnel is provided with at least one air inlet channel with controllable flow, and the air inlet channel is communicated with the first purifier; the air inlet channel and the drying tunnel are provided with second air outlets which are communicated with the first air outlets; an exhaust port is arranged on the first air outlet;
and the second ventilation path sequentially passes through the first purifier and the air inlet channel and is discharged from the exhaust port.
Furthermore, the first air outlet is arranged at the top of the drying oven body.
Furthermore, the air inlet channel is provided with a baffle plate for adjusting the flow, and the baffle plate is axially distributed along the air inlet channel.
Furthermore, an actuating device is arranged on the side surface of the air inlet channel, the actuating device comprises a supporting rod fixed on one side edge of the air inlet channel, a winding rod fixed on the opposite side of the supporting rod and a driver, and the driver is connected with the winding rod and drives the winding rod to rotate; one end of the baffle is sleeved on the supporting rod and rotates up and down along the supporting rod; an actuator is wound on the winding rod, and one end of the actuator is fixed at the other end of the baffle.
Furthermore, a fan is arranged between the air inlet and the second purifier.
Further, the heat energy converter is a combustion chamber, a combustion engine is arranged in the combustion chamber, and the combustion engine is connected with a liquefied gas input port.
Further, the grill is a mobile grill.
Further, the mobile grill comprises a shelf and universal wheels arranged at the bottom of the shelf.
Further, the movable grill is a drying conveyer belt, and the length and the width of the drying conveyer belt are not more than those of the drying channel.
The utility model discloses hot gas circulation baking finish case, its beneficial effect lies in:
(1) in the drying stage, the combustion chamber heats fresh air, the fresh air enters the second filter for filtration and then enters the air duct, the hot air circulates in the closed air duct and exchanges heat with the drying duct, so that the temperature in the drying duct is rapidly increased, and drying is performed. The hot air after heat exchange enters the combustion chamber from the first air outlet and is reheated to enter the air channel, the system circulates the hot air, the heat loss is less, the energy consumption of the burner is low, and the energy consumption can be greatly saved.
(2) The air inlet channel at the top of the drying channel can be adjusted to enter fresh air according to actual requirements; the inlet of the air inlet channel can be reduced in the drying stage, and the entering fresh air can flow out of the redundant paint on the surface, so that the whole workpiece is kept flat. In the cooling stage, stop the combustor heating, open inlet air channel completely, let in the air after the filtration, can be quick take away the inside hot-blast of drying tunnel, the cooling is quick, improves production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the present invention (the grill is a drying conveyor);
FIG. 2 is a schematic view of the present invention (the grill is a cart type);
FIG. 3 is a schematic view of the present invention (the grill is a drawer type);
FIG. 4 is a schematic view of the internal side structure of the drying tunnel of FIG. 1;
FIG. 5 is a schematic structural view of the middle air intake channel of the present invention;
the drying device comprises a drying oven body 1, a drying tunnel 2, a grill 3, an air duct 4, a first purifier 5, a second purifier 6, an air inlet 7, a first air outlet 8, an air inlet channel 9, a second air outlet 10, an air outlet 11, a baffle plate 12, a support rod 13, a rod rotating rod 14, an actuator 15, a fan 16, a combustion chamber 17, a burner 18 and a drying conveyer belt 19.
In the drawing, "→" indicates the air flow direction.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
Example 1
A hot air circulation paint baking box is shown in figure 1, figure 4 and figure 5, and comprises a baking box body 1 and a heat energy converter, wherein a baking channel 2 is arranged in the baking box body 1, and a grill 3 is arranged in the baking channel 2; an air duct 4 is formed between the inner wall of the drying oven body 1 and the outer wall of the drying tunnel 2; the air purifier comprises a first purifier 5 and a second purifier 6, and a heat energy converter is connected between the first purifier 5 and the second purifier 6;
the first ventilation path sequentially passes through the first purifier 5, the heat energy converter and the second purifier 6 and then enters the air duct 4;
the air duct 4 comprises an air inlet 7 and a first air outlet 8; the second purifier 6 is connected with the air inlet 7 and conveys hot air into the air duct 4; the first air outlet 8 is connected with an inlet of the heat energy converter through an air pipe;
the top of the drying tunnel 2 is provided with at least one air inlet channel 9 with controllable flow, and the air inlet channel 9 is communicated with the first purifier 5; a second air outlet 10 is arranged on the air inlet channel 9 and the drying tunnel 2, and the second air outlet 10 is communicated with the first air outlet 8; the first air outlet 8 is provided with an air outlet 11;
the second ventilation path passes through the first cleaner 5 and the air intake path 9 in this order, and is discharged from the exhaust port 11.
In this embodiment, the first air outlet 8 is disposed at the top of the oven body 1. This setting can make hot-blast quick circulation in wind channel 4, and is full of whole wind channel 4, wraps up drying tunnel 2, improves the temperature in drying tunnel 2 rapidly.
In this embodiment, the air intake channel 9 is mainly used for intake and cooling of intake air. The bottom of the air inlet channel 9 is provided with a baffle 12 for adjusting the flow, and the baffle 12 is axially distributed along the air inlet channel 9.
The side of the air inlet channel 9 is provided with an actuating device, the actuating device comprises a supporting rod 13 fixed on one side edge of the air inlet channel 9, a winding rod fixed on the opposite side of the supporting rod 13 and a driver, and the driver is connected with the winding rod and drives the winding rod to rotate 14; one end of the baffle 12 is sleeved on the support rod 13 and rotates up and down along the support rod 13; an actuator 15 is wound on the winding rod, and one end of the actuator 15 is fixed at the other end of the baffle 12.
The shutter 12 is one and the actuator 15 is typically selected to be a flexible wire cable secured to the end of the shutter 12. The driver is a motor, and a rotating shaft of the motor is fixedly connected with the winding rod. At the initial position, the steel rope is wound and caught up, and the baffle 12 completely seals the air inlet channel 9. When the air inlet channel 9 needs to be opened, the motor is started to rotate, the motor drives the winding rod to rotate, so that the flexible steel rope is wound and loosened, and the end part of the baffle 12 rotates downwards according to the gravity principle, so that the air inlet channel 9 is opened.
The reverse rotation of the controllable motor of power control box, when need not the new trend and get into, then control motor reverse rotation makes the steel cable winding on the winding rod, and inlet air duct 9 closes.
The number of the baffle plates 12 can also be multiple, and the number can be adjusted according to the length of the drying tunnel 2.
When the temperature is too high and needs to be adjusted or cooled, the air inlet channel 9 is opened, and external fresh air can directly enter the drying tunnel 2 from the second air passage to be cooled.
Meanwhile, in the drying stage, the air inlet channel 9 needs to be opened in a small amount to enter hot air. The entered hot air can be discharged out of the redundant paint on the surface, so that the whole workpiece is kept flat. And can take away the moisture in the drying tunnel to ensure the drying speed. In the cooling stage, stop the combustor heating, open inlet air channel completely, let in the air after the filtration, the inside hot-blast taking away of messenger drying tunnel that can be quick, the cooling is quick, improves production efficiency.
In this embodiment, a fan 16 is disposed between the air inlet 7 and the second purifier 6, the heat energy converter is a combustion chamber 17, a combustion engine 18 is disposed in the combustion chamber 17, and the combustion engine 18 is connected to a liquefied gas inlet. The fan 16 provides power, so that the external air can directly enter the first purifier 5, is heated in the combustion chamber 17 and then directly reaches the air duct 4 through the second purifier 6, and hot air circulates in the air duct 4. And simultaneously provides power for the circulation of the heat-exchanged wind in the air duct 4 into the combustion chamber 17.
In this embodiment, the first purifier 5 and the second purifier 6 mainly remove impurities and harmful gases in the air, and prevent the impurities and the harmful gases from entering the oven and reacting with the paint on the workpiece to affect the performance of the paint. The purifications in the first purifier 5 and the second purifier 6 are generally mainly based on a sieve and activated carbon purification. For the work piece with high drying requirement, HEPA high-efficiency filtration or photocatalyst and the like can be added. As long as the effect of purifying air can be achieved.
In this embodiment, the grill dries the conveyor belt 19, and the length and width of the drying conveyor belt 19 are not greater than those of the drying tunnel 2. Can intermittent type nature transport, material loading and unloading are convenient more.
In addition, the equipment also comprises a power supply control box which mainly provides electric energy for the motor, the fan 16 and the burner 18, and meanwhile, a simple controller is also arranged in the power supply control box. A temperature sensor and a pressure sensor are arranged in the drying tunnel 2, the temperature and the pressure inside the drying tunnel can be monitored in real time, signals are sent to a controller, and the controller controls a motor, a fan 16 and a burner 18 to react and adjust the temperature.
In addition, the exhaust port 11 and each pipeline are provided with valves, the valves can be manual valves or electric control valves, the electric control valves are electrically connected with the controller, and the controller judges to control the electric control valves according to signals, so that the whole equipment is kept in a constant temperature and constant pressure state.
The utility model discloses in, power control box, temperature sensor and pressure sensor are current conventional technology. And the control of constant temperature and constant pressure through the controller is also the conventional technology of the oven in the prior art, so the structure, principle, model and the like are not described herein again.
Example 2
A hot air circulation paint baking box is shown in figures 2, 3 and 5 and comprises a baking box body 1 and a heat energy converter, wherein a baking channel 2 is arranged in the baking box body 1, and a grill 3 is arranged in the baking channel 2; an air duct 4 is formed between the inner wall of the drying oven body 1 and the outer wall of the drying tunnel 2; the air purifier comprises a first purifier 5 and a second purifier 6, and a heat energy converter is connected between the first purifier 5 and the second purifier 6;
the first ventilation path sequentially passes through the first purifier 5, the heat energy converter and the second purifier 6 and then enters the air duct 4;
the air duct 4 comprises an air inlet 7 and a first air outlet 8; the second purifier 6 is connected with the air inlet 7 and conveys hot air into the air duct 4; the first air outlet 8 is connected with an inlet of the heat energy converter through an air pipe;
the top of the drying tunnel 2 is provided with at least one air inlet channel 9 with controllable flow, and the air inlet channel 9 is communicated with the first purifier 5; a second air outlet 10 is arranged on the air inlet channel 9 and the drying tunnel 2, and the second air outlet 10 is communicated with the first air outlet 8; the first air outlet 8 is provided with an air outlet 11;
the second ventilation path passes through the first cleaner 5 and the air intake path 9 in this order, and is discharged from the exhaust port 11.
In this embodiment, the air inlet 7 and the first air outlet 8 are oppositely disposed on the oven body 1. This setting can make hot-blast quick circulation in wind channel 4, and is full of whole wind channel 4, wraps up drying tunnel 2, improves the temperature in drying tunnel 2 rapidly.
In this embodiment, the air intake channel 9 is mainly used for intake and cooling of intake air. The bottom of the air inlet channel 9 is provided with a baffle 12 for adjusting the flow, and the baffle 12 is axially distributed along the air inlet channel 9.
The side of the air inlet channel 9 is provided with an actuating device, the actuating device comprises a supporting rod 13 fixed on one side edge of the air inlet channel 9, a winding rod fixed on the opposite side of the supporting rod 13 and a driver, and the driver is connected with the winding rod and drives the winding rod to rotate 14; one end of the baffle 12 is sleeved on the support rod 13 and rotates up and down along the support rod 13; an actuator 15 is wound on the winding rod, and one end of the actuator 15 is fixed at the other end of the baffle 12.
The shutter 12 is one and the actuator 15 is typically selected to be a flexible wire cable secured to the end of the shutter 12. The driver is a motor, and a rotating shaft of the motor is fixedly connected with the winding rod. At the initial position, the steel rope is wound and caught up, and the baffle 12 completely seals the air inlet channel 9. When the air inlet channel 9 needs to be opened, the motor is started to rotate, the motor drives the winding rod to rotate, so that the flexible steel rope is wound and loosened, and the end part of the baffle 12 rotates downwards according to the gravity principle, so that the air inlet channel 9 is opened.
The reverse rotation of the controllable motor of power control box, when need not the new trend and get into, then control motor reverse rotation makes the steel cable winding on the winding rod, and inlet air duct 9 closes.
The number of the baffle plates 12 can also be multiple, and the number can be adjusted according to the length of the drying tunnel 2.
When the temperature is too high and needs to be adjusted or cooled, the air inlet channel 9 is opened, and external fresh air can directly enter the drying tunnel 2 from the second air passage to be cooled.
Meanwhile, in the drying stage, the air inlet channel 9 needs to be opened in a small amount to enter hot air. The entered hot air can be discharged out of the redundant paint on the surface, so that the whole workpiece is kept flat. And can take away the moisture in the drying tunnel to ensure the drying speed. In the cooling stage, stop the combustor heating, open inlet air channel completely, let in the air after the filtration, the inside hot-blast taking away of messenger drying tunnel that can be quick, the cooling is quick, improves production efficiency.
In this embodiment, a fan 16 is disposed between the air inlet 7 and the second purifier 6, the heat energy converter is a combustion chamber 17, a combustion engine 18 is disposed in the combustion chamber 17, and the combustion engine 18 is connected to a liquefied gas inlet. The fan 16 provides power, so that the external air can directly enter the first purifier 5, is heated in the combustion chamber 17 and then directly reaches the air duct 4 through the second purifier 6, and hot air circulates in the air duct 4. And simultaneously provides power for the circulation of the heat-exchanged wind in the air duct 4 into the combustion chamber 17.
In this embodiment, the first purifier 5 and the second purifier 6 mainly remove impurities and harmful gases in the air, and prevent the impurities and the harmful gases from entering the oven and reacting with the paint on the workpiece to affect the performance of the paint. The purifications in the first purifier 5 and the second purifier 6 are generally mainly based on a sieve and activated carbon purification. For the work piece with high drying requirement, HEPA high-efficiency filtration or photocatalyst and the like can be added. As long as the effect of purifying air can be achieved.
In this embodiment, the grill is a mobile grill, and the mobile grill includes a rack and a cart disposed at the bottom of the rack to form a cart. As shown in fig. 2;
in this embodiment, the mobile grill includes a rack and universal wheels disposed on the side of the rack, forming a drawer type. As shown in fig. 3.
In addition, the equipment also comprises a power supply control box which mainly provides electric energy for the motor, the fan 16 and the burner 18, and meanwhile, a simple controller is also arranged in the power supply control box. A temperature sensor and a pressure sensor are arranged in the drying tunnel 2, the temperature and the pressure inside the drying tunnel can be monitored in real time, signals are sent to a controller, and the controller controls a motor, a fan 16 and a burner 18 to react and adjust the temperature.
In addition, the exhaust port 11 and each pipeline are provided with valves, the valves can be manual valves or electric control valves, the electric control valves are electrically connected with the controller, and the controller judges to control the electric control valves according to signals, so that the whole equipment is kept in a constant temperature and constant pressure state.
The utility model discloses in, power control box, temperature sensor and pressure sensor are current conventional technology. And the control of constant temperature and constant pressure through the controller is also the conventional technology of the oven in the prior art, so the structure, principle, model and the like are not described herein again.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (9)
1. A hot air circulation paint baking box comprises a baking box body and a heat energy converter, wherein a baking channel is arranged in the baking box body, and a baking frame is arranged in the baking channel; an air duct is formed between the inner wall of the drying oven body and the outer wall of the drying tunnel; the method is characterized in that: the air purifier comprises a first purifier and a second purifier, and the heat energy converter is connected between the first purifier and the second purifier;
the first ventilation path sequentially passes through the first purifier, the heat energy converter and the second purifier and then enters the air channel;
the air duct comprises an air inlet and a first air outlet; the second purifier is connected with the air inlet and conveys hot air into the air duct; the first air outlet is connected with an inlet of the heat energy converter through an air pipe;
the top of the drying tunnel is provided with at least one air inlet channel with controllable flow, and the air inlet channel is communicated with the first purifier; the air inlet channel and the drying tunnel are provided with second air outlets which are communicated with the first air outlets; an exhaust port is arranged on the first air outlet;
and the second ventilation path sequentially passes through the first purifier and the air inlet channel and is discharged from the exhaust port.
2. The hot-air circulation paint oven according to claim 1, wherein: the first air outlet is arranged at the top of the drying oven body.
3. The hot-air circulation paint oven according to claim 1, wherein: the air inlet channel is provided with a baffle plate for adjusting flow, and the baffle plate is axially distributed along the air inlet channel.
4. The hot-air circulation paint oven according to claim 3, wherein: the side surface of the air inlet channel is provided with an actuating device, the actuating device comprises a supporting rod fixed on one side edge of the air inlet channel, a winding rod fixed on the opposite side of the supporting rod and a driver, and the driver is connected with the winding rod and drives the winding rod to rotate; one end of the baffle is sleeved on the supporting rod and rotates up and down along the supporting rod; an actuator is wound on the winding rod, and one end of the actuator is fixed at the other end of the baffle.
5. The hot-air circulation paint oven according to claim 1, wherein: and a fan is arranged between the air inlet and the second purifier.
6. The hot-air circulation paint oven according to claim 1, wherein: the heat energy converter is a combustion chamber, a combustion engine is arranged in the combustion chamber, and the combustion engine is connected with a liquefied gas input port.
7. The hot-air circulation paint oven according to claim 1, wherein: the grill is a mobile grill.
8. The hot-air circulation paint oven according to claim 7, wherein: the movable grill comprises a shelf and universal wheels arranged at the bottom of the shelf.
9. The hot-air circulation paint oven according to claim 7, wherein: the movable grill is a drying conveyer belt, and the length and the width of the drying conveyer belt are not more than those of the drying channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120965259.5U CN214917806U (en) | 2021-05-08 | 2021-05-08 | Hot air circulation baking finish box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120965259.5U CN214917806U (en) | 2021-05-08 | 2021-05-08 | Hot air circulation baking finish box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214917806U true CN214917806U (en) | 2021-11-30 |
Family
ID=79062177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120965259.5U Active CN214917806U (en) | 2021-05-08 | 2021-05-08 | Hot air circulation baking finish box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214917806U (en) |
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2021
- 2021-05-08 CN CN202120965259.5U patent/CN214917806U/en active Active
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