Cold drying device for powder production

Abstract

The utility model discloses a powder production freezing and drying device which comprises a box body, a cylindrical cavity and a long cavity are formed in the box body, an air cooler is fixedly connected to one side of the box body, a cold air guide pipe is fixedly installed between the air cooler and the cylindrical cavity, a long box is fixedly installed on one side of the box body, and the long box is fixedly connected with the cylindrical cavity. A hot air guide pipe is fixedly installed between the long box and the upper end of the cylindrical cavity, the cylindrical cavity is provided with an adjusting mechanism at the joint of the cold air guide pipe and the hot air guide pipe, the adjusting mechanism comprises an adjusting plate installed at the upper end of the cylindrical cavity in a sliding mode, and a plurality of clamping teeth are arranged on one side of the adjusting plate; a circular gear is arranged on one side of the adjusting plate and meshed with the clamping teeth. According to the powder cold-drying device, cold air and hot air in the box body are switched through the adjusting mechanism, so that the temperature in the box body is changed, water on the surface of powder is convenient to clean, and the powder cold-drying efficiency is improved.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of powder production and processing, in particular to a powder production cold drying device. Background Art

[0002] Powder production cooling equipment is a device specially used to provide cooling air during the powder production process. Its main function is to lower the powder temperature, reduce mutual adhesion and maintain the dispersion of the powder.

[0003] After the powder coating is ground, the temperature of the powder coating is relatively high. During the cooling process after the cold air is passed in, part of the moisture carried in the cold air will condense on the surface of the powder coating, which can easily lead to the powder coating processing process not being smooth. At the same time, there is a difference in the quality of the condensed part and the uncondensed part, which affects the uniformity of the overall quality of the product. Utility Model Content

[0004] The utility model aims to solve the problem that when high-temperature powder coating meets cold wind, water condenses on the surface of the powder coating and is difficult to remove, and proposes a cold drying device for powder production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A powder production cold drying device comprises a box body, in which a cylindrical cavity and an elongated cavity are provided, the cylindrical cavity and the elongated cavity are connected and are arranged at the upper end of the elongated cavity, a cold air blower is fixedly connected to one side of the box body, a cold air duct is fixedly installed between the cold air blower and the upper end of the cylindrical cavity, an elongated box capable of generating hot air is fixedly installed on the adjacent side of the box body close to the cold air blower, a hot air duct is fixedly installed between the elongated box and the upper end of the cylindrical cavity, the cylindrical cavity is provided with an adjustment mechanism at the connection between the cold air duct and the hot air duct, the adjustment mechanism comprises an adjustment plate slidably installed on the upper end of the cylindrical cavity, a plurality of latch teeth are provided on one side of the adjustment plate, a circular gear is provided on one side of the adjustment plate, and the circular gear is meshed with the plurality of latch teeth.

[0007] As a further description of the above technical solution, the upper end of the cylindrical cavity is fixedly connected with a straight groove-shaped limit groove at the connection between the cold air duct and the hot air duct, and the adjustment plate is slidably installed in the straight groove-shaped limit groove, and the adjustment plate is slidably connected with the connection between the cold air duct and the hot air duct respectively.

[0008] As a further description of the above technical solution, a circular shaft is rotatably mounted on the box body, one end of the circular shaft passes through the outer surface of the box body and is fixedly connected to a circular gear, and the end of the circular shaft away from the circular gear is fixedly connected to a knob.

[0009] As a further description of the above technical solution, an exhaust fan is fixedly installed on one side of the hot air duct close to the elongated box, a heating wire is fixedly installed in the elongated box, and a filter is fixedly installed on the inner wall of one end of the hot air duct away from the box body.

[0010] As a further description of the above technical solution, a feed port is fixedly installed on the upper end of the cylindrical cavity away from the cold air blower, the bottom end of the elongated cavity is an inclined surface, and a discharge port is fixedly installed on the side of the lowest end of the inclined surface of the elongated cavity, and the discharge port and the feed port are arranged on the same side of the box body.

[0011] As a further description of the above technical solution, baffles are slidably installed at the connections between the feed port, the discharge port and the box body.

[0012] As a further description of the above technical solution, the box body is fixedly installed with a cross support rod at the lower end of the cylindrical cavity, a rotating shaft is rotatably installed between the cross support rod and the upper end of the cylindrical cavity, a number of stirring blades are evenly fixedly installed on the outer surface of the lower end of the rotating shaft, and a motor is fixedly installed at the upper end of the box body, and the output end of the motor rotates through the outer surface of the box body and is fixedly connected to the rotating shaft.

[0013] As a further description of the above technical solution, a sieve plate is fixedly mounted on the lower end of the cylindrical cavity, the rotating shaft rotates through the outer surface of the sieve plate, and the lower ends of the plurality of stirring blades are rotatably mounted on the upper surface of the sieve plate.

[0014] As a further description of the above technical solution, an air outlet is fixedly installed on one side of the upper end of the box body close to the hot air duct, and a switch valve is installed on the air outlet.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, through the adjustment mechanism, the knob is turned to drive the circular shaft to rotate, and the circular gear further pushes a plurality of teeth to move, driving the adjustment plate to slide in the straight groove-shaped limit groove, so that one end of the hot air duct is opened and one end of the cold air duct is blocked, so that the hot air is transmitted to the cylindrical cavity, further removing the moisture condensed on the surface of the powder coating, making the subsequent powder coating processing smoother, and at the same time increasing the uniformity of the overall quality of the powder coating product.

[0017] 2. In the utility model, the motor drives the rotating shaft to rotate, so that a plurality of stirring blades rotate on the screen plate, stirring the powder coating in the cylindrical cavity, increasing the contact area between the powder coating and the cold air or the hot air, improving the screening efficiency between the condensed powder coating and the uncondensed powder coating and the efficiency of removing the condensed water on the surface of the powder coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the back side of the box body of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure inside the box of the utility model;

[0021] Figure 4 for Figure 3 A magnified view of the structure in the middle.

[0022] Reference numerals: 10, box body; 101, cylindrical cavity; 102, elongated cavity; 103, straight groove-shaped limit groove; 104, feed port; 105, discharge port; 106, cross support rod; 107, air outlet; 11, air cooler; 12, cold air duct; 13, switch valve; 14, baffle; 15, exhaust fan; 16, hot air duct; 17, elongated box; 18, heating wire; 19, filter screen;

[0023] 20. Adjustment plate; 201. Clamping teeth; 21. Circular gear; 22. Circular shaft; 23. Knob;

[0024] 30. Rotating shaft; 31. Stirring blade; 32. Motor; 33. Screen plate. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0026] Please refer to the attached Figure 1-Figure 4As shown, the utility model provides a technical solution: a powder production cold drying device, comprising a box body 10, a cylindrical cavity 101 and an elongated cavity 102 are provided in the box body 10, the cylindrical cavity 101 and the elongated cavity 102 are interlinked and arranged at the upper end of the elongated cavity 102, a cold air blower 11 is fixedly connected to one side of the box body 10, a cold air duct 12 is fixedly installed between the cold air blower 11 and the upper end of the cylindrical cavity 101, and a long hot air blower 12 capable of generating hot air is fixedly installed on the adjacent side of the box body 10 close to the cold air blower 11 Box 17, a hot air duct 16 is fixedly installed between the elongated box 17 and the upper end of the cylindrical cavity 101, and the cylindrical cavity 101 is provided with an adjustment mechanism at the connection between the cold air duct 12 and the hot air duct 16, and the adjustment mechanism includes an adjustment plate 20 slidably installed on the upper end of the cylindrical cavity 101, and a plurality of latch teeth 201 are provided on one side of the adjustment plate 20. A circular gear 21 is provided on one side of the adjustment plate 20, and the circular gear 21 is meshed with the plurality of latch teeth 201, so that the adjustment plate 20 is driven to move by rotating the adjusting circular gear 21.

[0027] In this embodiment, the upper end of the cylindrical cavity 101 is fixedly connected with a straight groove-shaped limiting groove 103 at the connection between the cold air duct 12 and the hot air duct 16, and the adjustment plate 20 is slidably installed in the straight groove-shaped limiting groove 103. The adjustment plate 20 is slidably connected to the connection between the cold air duct 12 and the hot air duct 16 respectively. The adjustment plate 20 is limited by the straight groove-shaped limiting groove 103, so that the adjustment plate 20 can slide back and forth at the lower ends of the cold air duct 12 and the hot air duct 16.

[0028] In this embodiment, a circular shaft 22 is rotatably mounted on the box body 10 , one end of the circular shaft 22 passes through the outer surface of the box body 10 and is fixedly connected to the circular gear 21 , and the end of the circular shaft 22 away from the circular gear 21 is fixedly connected to the knob 23 .

[0029] Specifically, after the powder coating in the cylindrical cavity 101 is passed through cold air and the powder coating with condensed moisture and the powder coating with uncondensed moisture are screened, the knob 23 is turned through the adjustment mechanism to drive the circular shaft 22 to rotate, so that the circular gear 21 rotates to push the plurality of latch teeth 201 to move, driving the adjustment plate 20 to slide in the straight groove-shaped limit groove 103, so that one end blocking the hot air duct 16 is opened, and one end of the cold air duct 12 is blocked, so that the hot air is transmitted to the cylindrical cavity 101, and the moisture condensed on the surface of the powder coating is removed, and then it is screened into the elongated cavity 102, thereby increasing the uniformity of the overall quality of the powder coating product.

[0030] In this embodiment, an exhaust fan 15 is fixedly installed on one side of the hot air duct 16 close to the elongated box 17, a heating wire 18 is fixedly installed in the elongated box 17, and a filter 19 is fixedly installed on the inner wall of the end of the hot air duct 16 away from the box body 10. The heating wire 18 is energized and heated by an electric wire, and the filter 19 is provided to prevent impurities in the outside air from entering the hot air duct 16.

[0031] In this embodiment, a feed port 104 is fixedly installed on the upper end of the cylindrical cavity 101 away from the cold air blower 11, and the bottom end of the elongated cavity 102 is an inclined surface. A discharge port 105 is fixedly installed on one side of the lowest end of the inclined surface of the elongated cavity 102 to facilitate rapid discharge of powder coating. The discharge port 105 and the feed port 104 are arranged on the same side of the box body 10.

[0032] In this embodiment, baffles 14 are slidably installed at the connection between the feed port 104 and the discharge port 105 and the box body 10. The openings of the feed port 104 and the discharge port 105 are opened and closed by pulling the two baffles 14, so as to facilitate the control of the feeding and discharging of the powder coating.

[0033] In this embodiment, a cross support rod 106 is fixedly installed at the lower end of the cylindrical cavity 101 of the box body 10, and a rotating shaft 30 is rotatably installed between the cross support rod 106 and the upper end of the cylindrical cavity 101. A plurality of stirring blades 31 are evenly fixedly installed on the outer surface of the lower end of the rotating shaft 30. A motor 32 is fixedly installed at the upper end of the box body 10, and the output end of the motor 32 rotates through the outer surface of the box body 10 and is fixedly connected to the rotating shaft 30.

[0034] Specifically, the motor 32 drives the rotating shaft 30 to rotate, so that the plurality of stirring blades 31 rotate in the cylindrical cavity 101 to stir the powder coating in the cylindrical cavity 101 and increase the contact area between the powder coating and the cold air or hot air.

[0035] In this embodiment, a sieve plate 33 is fixedly installed at the lower end of the cylindrical cavity 101, and the rotating shaft 30 rotates and penetrates the outer surface of the sieve plate 33. The lower ends of a plurality of stirring blades 31 are rotatably installed on the upper surface of the sieve plate 33. By setting the sieve plate 33, the powder coating with condensed moisture on the surface and the powder coating with uncondensed moisture are screened, thereby improving the quality of the powder coating product.

[0036] In this embodiment, an air outlet 107 is fixedly installed on one side of the upper end of the box body 10 close to the hot air duct 16, and a switch valve 13 is installed on the air outlet 107. The switch of the air outlet 107 is controlled by the switch valve 13. After the hot air is passed into the box body 10, the moisture on the surface of the powder coating is evaporated and discharged out of the cylindrical cavity 101.

[0037] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A cold drying device for powder production, comprising a box (10), characterized in that: The box body (10) is provided with a cylindrical cavity (101) and an elongated cavity (102), the cylindrical cavity (101) and the elongated cavity (102) are connected to each other and are arranged at the upper end of the elongated cavity (102), one side of the box body (10) is fixedly connected with a cooling fan (11), a cooling air duct (12) is fixedly installed between the cooling fan (11) and the upper end of the cylindrical cavity (101), and an elongated box (17) capable of generating hot air is fixedly installed on the adjacent side of the box body (10) close to the cooling fan (11), the elongated box (17) is provided with a cooling air duct (12) and a cooling air duct (12) is fixedly installed between the cooling fan (11) and the upper end of the cylindrical cavity (101), A hot air duct (16) is fixedly installed between the cold air duct (12) and the upper end of the cylindrical cavity (101); the cylindrical cavity (101) is provided with an adjustment mechanism at the connection between the cold air duct (12) and the hot air duct (16); the adjustment mechanism comprises an adjustment plate (20) slidably installed on the upper end of the cylindrical cavity (101); a plurality of latch teeth (201) are provided on one side of the adjustment plate (20); a circular gear (21) is provided on one side of the adjustment plate (20); the circular gear (21) is meshed with the plurality of latch teeth (201).

2. A cold drying device for powder production according to claim 1, characterized in that: The upper end of the cylindrical cavity (101) is fixedly connected with a straight groove-shaped limiting groove (103) at the connection between the cold air duct (12) and the hot air duct (16), and the adjustment plate (20) is slidably installed in the straight groove-shaped limiting groove (103). The adjustment plate (20) is slidably connected with the connection between the cold air duct (12) and the hot air duct (16), respectively.

3. A cold drying device for powder production according to claim 1, characterized in that: A circular shaft (22) is rotatably mounted on the box body (10), one end of the circular shaft (22) passes through the outer surface of the box body (10) and is fixedly connected to the circular gear (21), and one end of the circular shaft (22) away from the circular gear (21) is fixedly connected to a knob (23).

4. A cold drying device for powder production according to claim 1, characterized in that: An exhaust fan (15) is fixedly installed on one side of the hot air duct (16) close to the elongated box (17), a heating wire (18) is fixedly installed inside the elongated box (17), and a filter screen (19) is fixedly installed on the inner wall of one end of the hot air duct (16) away from the box body (10).

5. A cold drying device for powder production according to claim 1, characterized in that: A feed port (104) is fixedly mounted on the upper end of the cylindrical cavity (101) away from the cooling fan (11); the bottom end of the elongated cavity (102) is an inclined surface; a discharge port (105) is fixedly mounted on one side of the lowest end of the inclined surface of the elongated cavity (102); the discharge port (105) and the feed port (104) are arranged on the same side of the box body (10).

6. A cold drying device for powder production according to claim 5, characterized in that: Baffles (14) are slidably mounted at the connection points between the feed port (104) and the discharge port (105) and the box body (10).

7. A cold drying device for powder production according to claim 1, characterized in that: The box body (10) is fixedly mounted with a cross support rod (106) at the lower end of the cylindrical cavity (101); a rotating shaft (30) is rotatably mounted between the cross support rod (106) and the upper end of the cylindrical cavity (101); a plurality of stirring blades (31) are evenly and fixedly mounted on the outer surface of the lower end of the rotating shaft (30); a motor (32) is fixedly mounted at the upper end of the box body (10); an output end of the motor (32) rotates through the outer surface of the box body (10) and is fixedly connected to the rotating shaft (30).

8. A cold drying device for powder production according to claim 7, characterized in that: A sieve plate (33) is fixedly mounted at the lower end of the cylindrical cavity (101); the rotating shaft (30) rotates through the outer surface of the sieve plate (33); and the lower ends of the plurality of stirring blades (31) are rotatably mounted on the upper surface of the sieve plate (33).

9. A cold drying device for powder production according to claim 1, characterized in that: An air outlet (107) is fixedly mounted on one side of the upper end of the box body (10) close to the hot air duct (16), and an on-off valve (13) is mounted on the air outlet (107).

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