Heat energy recycling device for drying box of coating machine

Abstract

The utility model discloses a heat energy recycling device for a coating machine drying box, and belongs to the technical field of coating machine drying boxes. A heat energy recycling device for a drying box of a coating machine comprises a box body and further comprises a water tank fixedly connected to the bottom of the box body, a fan is fixedly connected to the outer side of the box body and communicated with the interior of the box body, an exhaust pipe is fixedly connected between the output end of the fan and the water tank, and the exhaust pipe is communicated with the water tank. A return pipe is fixedly mounted between the water tank and the tank body; the stirring rod is fixedly connected to the interior of the water tank through a stirring shaft, and a driving part for driving the stirring rod to rotate is arranged on the water tank; waste gas in the box body is exhausted into water in the water tank through the exhaust pipe by the fan, and the stirring rod is driven to rotate by the driving part, so that heat is uniformly distributed in the water, heat exchange is accelerated, hot air flows upwards to heat air in the heating cavity of the box body, the energy utilization rate is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coating machine drying oven technical field especially relates to a kind of coating machine drying oven heat recovery circulation device. BACKGROUND

[0002] Coating machine drying oven is widely used in paper, film, electronic components, thin film battery, solar cell, paint, ink and other industries, especially in the process of producing coating product, drying oven is the key equipment to ensure product quality and production efficiency, coating machine drying oven is mainly used for drying and curing after coating material (such as paint, film etc.) is coated, usually needs to consume a large amount of heat energy.

[0003] In coating machine drying oven, air is heated by heating system and circulated into drying oven to accelerate the evaporation process of coating, and the hot air (waste gas) discharged from drying oven often still contains high heat.

[0004] In the prior art, the waste gas discharged from drying oven is often directly discharged into air, and the heat in the waste gas cannot be effectively recycled and reused, resulting in energy waste and low energy utilization rate, and the heating equipment in drying oven consumes a large amount of energy, so the production cost is high, therefore, how to realize heat recovery and circulation is very important for existing equipment. INVENTION CONTENTS

[0005] The utility model aims at solving the problem that the waste gas discharged from drying oven is often directly discharged into air, and the heat in the waste gas cannot be effectively recycled and reused, resulting in energy waste and low energy utilization rate, and the heating equipment in drying oven consumes a large amount of energy, so the production cost is high, and proposes a kind of coating machine drying oven heat recovery circulation device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of coating machine drying oven heat recovery circulation device, including box, still include: water tank, fixedly connected at the bottom of the box, wherein, the outside of box is fixedly connected with fan, the fan and box interior intercommunication, exhaust pipe is fixedly connected between the output end of the fan and water tank, backflow pipe is fixedly installed between the water tank and box;Stirring rod is fixedly connected in the water tank by stirring shaft, wherein, driving part that the water tank is provided with is driven stirring rod rotation.

[0008] In order to stir water by stirring rod rotation, preferably, the driving part includes motor fixedly connected on water tank, output end of the motor is fixedly connected with shaft, the shaft is rotatably connected with water tank, taper gear is fixedly connected on the shaft and stirring shaft, two taper gears are meshingly connected.

[0009] In order to drive the scraper to remove dust on the bottom of the box, further, a lead screw is rotatably arranged in the water tank through a bearing, a first belt is transmissionally connected between the lead screw and the rotating shaft, a sliding block is threadedly connected to the lead screw, and a scraper is arranged on the top of the sliding block and in contact with the inner wall of the water tank.

[0010] In order to drive the brush to rotate to clean dust on the bottom of the box, further, a brush roller is rotatably arranged on the scraper through a transmission shaft, a brush is fixedly connected to the circumferential surface of the brush roller, a roller is rotatably arranged on the scraper through a connecting shaft, a second belt is transmissionally connected between the connecting shaft and the transmission shaft, and a fixed plate is arranged in the water tank and transversely.

[0011] In order to, the inside of the sliding block is provided with a cavity, the bottom of the scraper is fixedly connected with a connecting rod, the connecting rod is slidingly connected with the sliding block, and a first spring is fixedly connected between the bottom of the connecting rod and the inner wall of the cavity of the sliding block.

[0012] In order to, the inner wall of the box is provided with a sliding groove, the fixed plate is longitudinally slidingly arranged in the sliding groove, and a second spring is fixedly connected between the top of the fixed plate and the inner wall of the sliding groove.

[0013] Compared with the prior art, the utility model provides a coating machine drying box heat energy recycling device, has the following beneficial effects:

[0014] 1、 the coating machine drying box heat energy recycling device, through the fan, the exhaust pipe is arranged in the water tank in the waste gas in the tank, through the driving part brings the stirring rod to rotate, makes the heat distribution is even in the water, accelerates the exchange of heat, and makes the hot gas flow upward and heats the air in the heating cavity of the tank, improves the energy utilization rate, reduces the production cost.

[0015] 2、 the coating machine drying box heat energy recycling device, when stirring the water, when the motor drives the rotating shaft to rotate, through the transmission of the first belt reaches the rotation of the lead screw, the lead screw reaches the horizontal sliding of the scraper through the sliding block, and the dust attached to the bottom of the box is scraped off, and the roller rolls on the fixed plate, the brush roller and the brush are driven to rotate through the transmission of the second belt, the connecting shaft and the transmission shaft, the dust attached to the bottom of the box is cleaned, and the dust on the bottom of the box is prevented from affecting the heat transfer efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A shaft measurement structure schematic view of the coating machine drying box heat energy recycling device is provided in the utility model;

[0017] Figure 2The utility model provides a kind of coating machine drying oven heat energy recycling device's box cut structure schematic view;

[0018] Figure 3 The utility model provides a kind of coating machine drying oven heat energy recycling device's water tank cut structure schematic view;

[0019] Figure 4 The utility model provides a kind of coating machine drying oven heat energy recycling device's brush and scraper structure schematic view;

[0020] Figure 5 The utility model provides a kind of coating machine drying oven heat energy recycling device's sliding block cut structure schematic view.

[0021] In the drawing: 1, box body;201, fan;202, exhaust pipe;203, backflow pipe;301, stirring shaft;302, stirring rod;303, motor;304, rotating shaft;305, bevel gear;4, water tank;5, screw;6, first belt;7, sliding block;8, scraper;9, transmission shaft;10, brush roll;11, brush;12, connecting shaft;13, roller;14, second belt;15, fixed plate;16, connecting rod;17, first spring;18, sliding slot;19, second spring. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0024] Embodiment:

[0025] Refer to Figures 1-5The utility model discloses a kind of coating machine drying oven heat energy recycling devices, including box 1, box 1 is drying oven, heating chamber is provided in box 1, heating wire for heating air is provided in heating chamber, material port for coating material to pass through is provided on box 1, further including: water tank 4 of storage water, the bottom of heating chamber is fixedly connected with the top of water tank 4, the top of water tank 4 is set as open, water tank 4 and box 1 are set as rectangle, water inlet pipe and outlet pipe are provided on water tank 4, valve is installed on outlet pipe, and fixedly connected in the bottom of box 1, wherein, fan 201 is fixedly connected on the outside of box 1, fan 201 and box 1 are communicated, and exhaust pipe 202 is fixedly connected between the output end of fan 201 and water tank 4, exhaust pipe 202 is deeply into the inner bottom of water tank 4, and backflow pipe 203 is fixedly installed between water tank 4 and box 1, one-way valve is installed on backflow pipe 203, so that gas in water tank 4 one-way enters into box 1;Stirring rod 302 is fixedly connected in the inside of water tank 4 by stirring shaft 301, stirring rod 302 is set at least three, and it is annular equidistantly set, wherein, driving part for driving stirring rod 302 to rotate is provided on water tank 4.

[0026] Specifically, the exhaust gas in the box 1 is discharged into the water in the water tank 4 through the fan 201 and the exhaust pipe 202, the stirring rod 302 is driven to rotate by the driving part, the heat is evenly distributed in the water, the heat exchange is accelerated, and the hot gas flows upward to heat the air in the heating cavity of the box 1, thereby improving the energy utilization rate and reducing the production cost.

[0027] The driving part includes a motor 303 fixedly connected to the water tank 4, an output end of the motor 303 is fixedly connected with a rotating shaft 304, the rotating shaft 304 is rotatably connected with the water tank 4, a bevel gear 305 is fixedly connected to the rotating shaft 304 and the stirring shaft 301, the two bevel gears 305 are meshed and connected, and turbulence holes with different sizes are formed in the stirring rod 302 for disturbing the water.

[0028] Specifically, the motor 303 is started, the output end drives the rotating shaft 304 to rotate, and the stirring shaft 301 and the stirring rod 302 are driven to rotate under the transmission of the bevel gear 305.

[0029] A screw rod 5 is rotatably installed in the water tank 4 through a bearing, the screw rod 5 is arranged transversely, the first belt 6 is in transmission connection between the screw rod 5 and the rotating shaft 304, the sliding block 7 is threadedly connected to the screw rod 5, the scraper 8 is installed on the top of the sliding block 7 and used for scraping dust attached to the bottom of the tank body 1, the scraper 8 is arranged transversely and perpendicularly to the screw rod 5, the top of the scraper 8 is in contact with the inner wall of the water tank 4, the scraper 8 is in sliding connection with the inner wall of the water tank 4, the brush roller 10 is rotatably installed on the scraper 8 through the transmission shaft 9, the brush roller 10 is parallel to the scraper 8, the bristle brush 11 is fixedly connected to the circumferential surface of the brush roller 10, the roller 13 is rotatably installed on the scraper 8 through the connecting shaft 12, the roller 13 is arranged below the scraper 8, the second belt 14 is in transmission connection between the connecting shaft 12 and the transmission shaft 9, the fixed plate 15 is arranged transversely in the water tank 4, the fixed plate 15 is parallel to the screw rod 5, and the roller 13 is in contact with the upper surface of the fixed plate 15.

[0030] Specifically, when the water is stirred, that is, when the motor 303 drives the rotating shaft 304 to rotate, the screw rod 5 is driven to rotate through the transmission of the first belt 6, the sliding block 7 drives the scraper 8 to slide transversely, and the dust attached to the bottom of the tank body 1 is scraped off, at the same time, the roller 13 rolls on the fixed plate 15, the brush roller 10 and the bristle brush 11 are driven to rotate through the transmission of the second belt 14, the connecting shaft 12 and the transmission shaft 9, and the dust attached to the bottom of the tank body 1 is cleaned, thereby preventing dust from accumulating on the bottom of the tank body 1 and affecting the heat transfer efficiency.

[0031] The inside of the sliding block 7 is provided with a cavity, the bottom of the scraper 8 is fixedly connected with the connecting rod 16, the connecting rod 16 is arranged longitudinally, the connecting rod 16 is in sliding connection with the sliding block 7, the first spring 17 is fixedly connected between the bottom of the connecting rod 16 and the inner wall of the cavity of the sliding block 7, the inner wall of the tank body 1 is provided with the sliding groove 18, the fixed plate 15 is longitudinally and slidingly installed in the sliding groove 18, the second spring 19 is fixedly connected between the top of the fixed plate 15 and the inner wall of the sliding groove 18, in the initial state, the first spring 17 is in a compressed state, and the second spring 19 is in a stretched state.

[0032] Specifically, by arranging the connecting rod 16 and the first spring 17, after the scraper 8 is worn, the first spring 17 is gradually reset, the connecting rod 16 drives the scraper 8 to slide upward, so that the scraper 8 is always in contact with the inner wall of the water tank 4, and gaps are avoided, so as to ensure the scraping effect, at the same time, the roller 13 also rises with the scraper 8, at this time, the second spring 19 which is stretched is gradually reset, drives the fixed plate 15 to rise along the sliding groove 18, so that the roller 13 can always roll on the fixed plate 15, thereby enabling the bristle brush 11 to continuously rotate.

[0033] The present coating machine drying oven heat energy recycling device, when in use, the exhaust pipe 202 is arranged in the water tank 4 through the fan 201 to the waste gas in the box 1 is arranged in the water in the water tank 4, the water is heated, the motor 303 is started, the output end drives the rotating shaft 304 to rotate, under the transmission of bevel gear 305 reaches stirring shaft 301 and stirring rod 302 rotation, so that the heat is uniformly distributed in the water, accelerates the exchange of heat, and makes hot gas flow upward to heat the air in the heating cavity of the box 1, improves the energy utilization rate, reduces the production cost.

[0034] When the water is stirred, the rotating shaft 304 is driven by the motor 303, the screw rod 5 is rotated by the transmission of the first belt 6, the screw rod 5 is transversely slid by the sliding block 7 and the scraper 8, the dust adhered to the bottom of the box 1 is scraped, and the roller 13 is rolled on the fixed plate 15, the brush roller 10 and the brush 11 are rotated by the transmission of the second belt 14, the connecting shaft 12 and the transmission shaft 9, the dust adhered to the bottom of the box 1 is cleaned, and the dust accumulation on the bottom of the box 1 is prevented, so that the heat transfer efficiency is affected.

[0035] In order to improve the stability, two support plates are further fixedly connected to the bottom of the box 1, the stirring shaft 301 and the rotating shaft 304 are rotatably connected with the corresponding support plates, and the support plates are rotatably connected with the corresponding support plates.

[0036] That is, the stirring shaft 301 and the rotating shaft 304 rotate in the corresponding support plates and the inner wall of the box 1, and the stirring shaft 301 and the rotating shaft 304 penetrate the corresponding support plates.

[0037] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can replace or change the technical scheme and the application concept of the present application according to the technical range disclosed in the present application, which should be covered in the protection scope of the present application.

Claims

1. A coating machine drying oven heat energy recovery circulation device, comprising a cabinet (1), characterized in that, Also include: Water tank (4), fixedly connected to the bottom of the box (1), Wherein, the outer side of the box (1) is fixedly connected with a fan (201), the fan (201) and the box (1) are communicated, the output end of the fan (201) and the water tank (4) are fixedly connected with an exhaust pipe (202), the water tank (4) and the box (1) are fixedly installed with a backflow pipe (203); The stirring rod (302) is fixedly connected in the water tank (4) through the stirring shaft (301), Wherein, the water tank (4) is provided with a driving part for driving the stirring rod (302) to rotate.

2. The coating machine drying oven heat energy recycling circulating device according to claim 1, characterized in that, The driving part includes a motor (303) fixedly connected to the water tank (4), the output end of the motor (303) is fixedly connected with a rotating shaft (304), the rotating shaft (304) is rotatably connected with the water tank (4), the rotating shaft (304) and the stirring shaft (301) are fixedly connected with bevel gears (305), and the two bevel gears (305) are meshed.

3. The coating machine drying oven heat energy recovery circulating device according to claim 2, characterized in that, The water tank (4) is rotatably installed with a lead screw (5) through a bearing, the lead screw (5) and the rotating shaft (304) are drivingly connected with a first belt (6), the lead screw (5) is threadedly connected with a sliding block (7), the top of the sliding block (7) is installed with a scraper (8), the top of the scraper (8) is in contact with the inner wall of the water tank (4), and the scraper (8) is slidingly connected with the inner wall of the water tank (4).

4. The coating machine drying oven heat energy recovery circulating device according to claim 3, characterized in that, The brush roller (10) is rotatably installed on the scraper (8) through a transmission shaft (9), the circumference of the brush roller (10) is fixedly connected with a brush (11), the roller (13) is rotatably installed on the scraper (8) through a connecting shaft (12), Wherein, the connecting shaft (12) and the transmission shaft (9) are drivingly connected with a second belt (14), the water tank (4) is installed with a fixed plate (15) arranged transversely, and the roller (13) is in contact with the upper surface of the fixed plate (15).

5. The coating machine drying oven heat energy recovery circulating device according to claim 4, characterized in that, The sliding block (7) is provided with a cavity, the bottom of the scraper (8) is fixedly connected with a connecting rod (16), the connecting rod (16) and the sliding block (7) are slidingly connected, and the first spring (17) is fixedly connected between the bottom of the connecting rod (16) and the inner wall of the cavity of the sliding block (7).

6. The coating machine drying oven heat energy recovery circulating device according to claim 4, characterized in that, The inner wall of the box (1) is provided with a sliding groove (18), the fixed plate (15) is slidingly installed in the sliding groove (18), and the second spring (19) is fixedly connected between the top of the fixed plate (15) and the inner wall of the sliding groove (18).

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