Heating device of drying box

Abstract

The utility model discloses a heating device of a drying box, which comprises a box body, a fan is mounted at the top end of the box body, an air outlet of the fan is connected with an air pipe, an electromagnetic coil is wound on the outer wall of the air pipe, the air pipe penetrates through the top end of the box body, and a motor and a speed reducer are further mounted at the top end of the box body. The output end of the motor is fixedly connected with the input end of the speed reducer, the output end of the speed reducer is connected with a gear, the shaft end of the gear is rotationally arranged at the top end of the box body, the outer wall of the gear is meshed with a gear ring, an air plate is fixedly arranged at the bottom of the gear ring, and a plurality of air holes are formed in the bottom of the air plate. And the top of the air plate is rotationally connected with the air pipe. The utility model relates to the technical field of drying boxes, in particular to a drying box, the air outlet end of an air pipe is connected with a rotatable air plate, so that the air plate drives hot air to rotate to be output when rotating, the drying temperature of an inner cavity of the box body is more uniform, the hot air is in more comprehensive contact with a metal piece, and the drying efficiency of the metal piece is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying boxes, in particular to a heating device for a drying box. Background Art

[0002] Drying ovens are divided into two categories: electric blast drying ovens and vacuum drying ovens, depending on the dry material. They are now widely used in industries such as chemicals, electronic communications, plastics, cables, electroplating, hardware, automobiles, optoelectronics, rubber products, molds, spraying, printing, medical treatment, aerospace, and colleges and universities. The huge market demand has led to a variety of drying ovens, and the structural quality of the products is also different. Some drying ovens mainly use heating devices to dry metal parts placed inside the box. However, since the air outlet of the heating device is usually fixed, the hot air temperature inside the heating box is uneven, which in turn affects the drying efficiency of the metal parts. To this end, we provide a heating device for a drying oven to solve the above problems. Utility Model Content

[0003] In order to solve the above problems, that is, to solve the problems raised by the above background technology, the utility model proposes a heating device for a drying box, including a box body, a fan is installed on the top of the box body, the air outlet of the fan is connected to an air duct, the outer wall of the air duct is wrapped with an electromagnetic coil, and the air duct runs through the top of the box body, and a motor and a reducer are also installed on the top of the box body, so the output end of the motor is fixedly connected to the input end of the reducer, the output end of the reducer is connected to a gear, the shaft end of the gear is rotatably set at the top of the box body, and the outer wall of the gear is meshed with a gear ring, a wind plate is fixedly set at the bottom of the gear ring, a plurality of wind holes are opened at the bottom of the wind plate, and the plurality of wind holes are arranged in a ring array with the wind plate as the center, and the top of the wind plate is rotatably connected to the air duct.

[0004] Preferably, a carrier plate is fixedly arranged below the inner cavity of the box body, and a plurality of through holes are opened inside the carrier plate.

[0005] Preferably, a drain valve is installed on the side wall of the box body below the carrier plate, and the drain valve is arranged in contact with the bottom surface of the inner cavity of the box body.

[0006] Preferably, filter screens are installed in the plurality of openings of the side wall of the box body, and a guide plate is fixedly provided on the inner wall of the box body above the filter screen.

[0007] Preferably, a fixing plate is fixedly provided in the inner cavity of the box body, and the inner cavity of the fixing plate is rotatably connected to the wind plate via a sealing bearing.

[0008] The beneficial technical effect of the utility model is that the drying box is connected to a rotatable wind plate at the air outlet end of the air duct, so that the wind plate drives the hot air to be output when rotating, thereby making the drying temperature in the inner cavity of the box more uniform, and the contact between the hot air and the metal parts is more comprehensive, thereby enhancing the drying efficiency of the metal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A three-dimensional structural schematic diagram of the utility model is shown.

[0010] Figure 2 A cross-sectional structural schematic diagram of the utility model is shown.

[0011] Figure numerals 1, box body; 2, fan; 3, air duct; 4, electromagnetic coil; 5, motor; 6, reducer; 7, gear; 8, gear ring; 9, wind plate; 10, fixing plate; 11, filter screen; 12, guide plate; 13, carrier plate; 14, drain valve. DETAILED DESCRIPTION

[0012] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0013] The utility model proposes a heating device for a drying box, comprising a box body 1, a fan 2 is installed at the top of the box body 1, an air outlet of the fan 2 is connected to an air duct 3, an outer wall of the air duct 3 is wound with an electromagnetic coil 4, and the air duct 3 runs through the top of the box body 1, the fan 2 can introduce external air into the air duct 3, and the electromagnetic coil 4 can heat the air in the air duct 3, so that hot air can enter the box body 1 to dry the metal parts, and a motor 5 and a reducer 6 are also installed at the top of the box body 1, so that the output end of the motor 5 is fixedly connected to the input end of the reducer 6, and the output end of the reducer 6 is fixedly connected to the input end of the reducer 6. The output end is connected with a gear 7, and the shaft end of the gear 7 is rotatably set at the top of the box body 1. The operation of the motor 5 can reduce the output speed of the gear 7 through the reducer 6, and the outer wall of the gear 7 is meshed with a gear ring 8, and a wind plate 9 is fixedly set at the bottom of the gear ring 8. A plurality of wind holes are opened at the bottom of the wind plate 9, and the plurality of wind holes are arranged in a circular array with the wind plate 9 as the center. The top of the wind plate 9 is rotatably connected with the air duct 3, and the rotating gear 7 can drive the wind plate 9 to rotate by meshing with the gear ring 8. At this time, the wind plate 9 can drive the hot air to be rotated output by its own rotation, thereby making the drying temperature of the inner cavity of the box body 1 more uniform.

[0014] Specifically, a carrier plate 13 is fixedly installed below the inner cavity of the box body 1, and a plurality of through holes are opened inside the carrier plate 13. The design purpose is that the water vapor generated when the metal parts are dried can fall through the through holes inside the carrier plate 13 to the bottom of the inner cavity of the box body 1 for collection.

[0015] Specifically, a drain valve 14 is installed on the side wall of the box body 1 below the carrier plate 13 . The drain valve 14 is arranged in contact with the bottom surface of the inner cavity of the box body 1 . The design purpose is to drain the water at the bottom of the box body 1 through the drain valve 14 .

[0016] Specifically, filter screens 11 are installed in several openings on the side wall of the box body 1, and a guide plate 12 is fixedly provided on the inner wall of the box body 1 above the filter screen 11. The design of the filter screen 11 can prevent external dust and impurities from entering the inner cavity of the box body 1. The setting of the guide plate 12 can prevent water vapor from contacting the filter screen 11, thereby ensuring the exhaust function of the box body 1, and water hanging on the inner wall of the box body 1 can directly fall through the through holes inside the carrier plate 13.

[0017] Specifically, a fixing plate 10 is fixedly disposed in the inner cavity of the box body 1 , and the inner cavity of the fixing plate 10 is rotatably connected to the wind plate 9 via a sealed bearing, and the design purpose is to increase the stability of the rotation of the wind plate 9 .

[0018] According to the personnel in this field, all the electrical parts and components in this case are universal standard parts or components known to the technical personnel in this field, and their structures and principles can be known to the technical personnel through technical manuals or through conventional experimental methods. The models are compatible with this solution and can operate normally. All the electrical parts in this case are connected to the power supply adapted to them through wires, and according to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection is completed in the working order of each electrical component. The detailed connection means are well-known technologies in this field and will not be explained in the electrical control.

[0019] Working principle: first open the door panel of the box 1, and place the metal parts on the top of the carrier plate 13, then close the door panel and start the fan 2, the electromagnetic coil 4 and the motor 5. The operation of the fan 2 can introduce the external gas into the air duct 3, and the operation of the electromagnetic coil 4 can realize the heating of the gas in the air duct 3, and the heated gas can enter the wind plate 9. At the same time, the operation of the motor 5 can reduce the output speed of the gear 7 through the reducer 6, and the rotating gear 7 can drive the wind plate 9 to rotate through the engagement with the ring gear 8. At this time, the wind plate 9 can drive the hot air to rotate and output through its own rotation, so that the drying temperature of the inner cavity of the box 1 can be more uniform. The water vapor generated after the metal parts are dried can flow into the bottom of the inner cavity of the box 1 through the through holes inside the carrier plate 13, and the gas can be discharged at the filter 11. After the drying is completed, open the door of the box 1 to take out the metal parts, and the water at the bottom of the box 1 can be discharged by opening the drain valve 14.

[0020] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0021] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0023] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0024] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A heating device for a drying box, comprising a box body (1), a fan (2) being installed at the top of the box body (1), an air outlet of the fan (2) being connected to an air duct (3), an electromagnetic coil (4) being wound around the outer wall of the air duct (3), and the air duct (3) passing through the top of the box body (1), characterized in that: A motor (5) and a reducer (6) are also installed at the top of the housing (1), so that the output end of the motor (5) is fixedly connected to the input end of the reducer (6), the output end of the reducer (6) is connected to a gear (7), the shaft end of the gear (7) is rotatably arranged at the top of the housing (1), and the outer wall of the gear (7) is meshed with a gear ring (8), a wind plate (9) is fixedly arranged at the bottom of the gear ring (8), a plurality of wind holes are opened at the bottom of the wind plate (9), and the plurality of wind holes are arranged in a ring array with the wind plate (9) as the center, and the top of the wind plate (9) is rotatably connected to the wind duct (3).

2. A heating device for a drying box according to claim 1, characterized in that: A carrier plate (13) is fixedly arranged below the inner cavity of the box body (1), and a plurality of through holes are opened inside the carrier plate (13).

3. The heating device of a drying box according to claim 1, characterized in that: A drainage valve (14) is installed on the side wall of the box body (1) below the carrier plate (13), and the drainage valve (14) is arranged in contact with the bottom surface of the inner cavity of the box body (1).

4. The heating device of a drying box according to claim 1, characterized in that: Filter screens (11) are installed in a plurality of openings on the side wall of the box body (1), and a guide plate (12) is fixedly provided on the inner wall of the box body (1) above the filter screen (11).

5. The heating device of a drying box according to claim 1, characterized in that: A fixing plate (10) is fixedly arranged in the inner cavity of the box body (1), and the inner cavity of the fixing plate (10) is rotatably connected to the wind plate (9) via a sealing bearing.

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