Low-temperature drying device for metal surface treatment
Through the device that regulates the heating temperature by low-temperature heating tube array distribution, temperature sensors and controllers, the problems of uneven heating and temperature monitoring are solved, and uniform heating and high-quality drying of metal castings are achieved.
Patent Information
- Application Number
- CN202422311537.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-20
AI Technical Summary
Existing drying devices tend to cause uneven heating when heating metals, and cannot effectively monitor the heating temperature, affecting the drying quality of the metal coating.
The low-temperature heating pipe array distribution, temperature sensor monitoring and controller adjust the heating temperature, combined with the trumpet-shaped restriction tube to increase the blowing area and hollow stainless steel conveyor belt, achieving uniform heating and temperature monitoring.
It realizes uniform heating of metal castings, reduces the impact of heating efficiency, and can effectively monitor and adjust the heating temperature, improving the drying quality of the metal coating.
Smart Images

Figure CN223204681U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of metal surface treatment, and in particular to a low-temperature drying device for metal surface treatment. Background Art
[0002] Metal surface treatment is a process of artificially forming a surface layer on the surface of the base material with different mechanical, physical and chemical properties from the base material. For metal castings, the more commonly used surface treatment methods are mechanical grinding, chemical treatment, surface heat treatment and surface spraying.
[0003] The drying device heats and dries the coating on the metal surface, making it easier to process the metal surface, meet the product's corrosion resistance, wear resistance, decoration or other special functional requirements, and facilitate the subsequent use of the metal parts.
[0004] When the drying device is in use, it is used to treat the metal surface. The drying device facilitates the drying of the metal surface coating and facilitates the processing and treatment of the metal. However, some existing devices only heat the metal through the heating element when in use. During heating, it is easy to cause uneven heating of the metal surface, affecting the heating efficiency of the metal, and it is inconvenient to monitor the heating temperature, which is easy to affect the drying quality of the metal coating. Utility Model Content
[0005] The purpose of this application is to solve the problem that some existing devices only heat the metal through the heating element when in use, which easily causes uneven heating of the metal surface, affects the heating efficiency of the metal, and is inconvenient to monitor the heating temperature, which easily affects the drying quality of the metal coating. This application provides a low-temperature drying device for metal surface treatment.
[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:
[0007] A low-temperature drying device for metal surface treatment comprises a box body, support legs are fixed to the four corners of the lower end of the box body, a feed port is provided at the end of the box body, a discharge port is provided at the end of the box body away from the feed port, a limiting frame is fixed in the box body, a motor is fixed to one side of the limiting frame, a conveyor belt is installed in the limiting frame, the output end of the motor extends into the limiting frame and is fixedly connected to the conveyor belt, the conveyor belt is located in the feed port and the discharge port, a low-temperature heating pipe is provided in the box body, the low-temperature heating pipe corresponds to the conveyor belt, a bellows is provided at the upper end of the box body, and a drying mechanism is provided between the bellows and the conveyor belt.
[0008] By adopting the above technical solution, the drying mechanism can facilitate uniform heating and drying of metal castings, reduce the impact on heating efficiency, facilitate monitoring of heating temperature, and reduce the impact on the drying quality of the metal casting coating.
[0009] Furthermore, the drying mechanism includes a fixed tube fixed at the upper end of the box body, the upper end of the fixed tube is fixedly connected to the bellows, the lower end of the fixed tube extends into the box body and is fixedly connected to a limiting tube, the limiting tube is fixedly connected to the heating tube, the low-temperature heating tubes are distributed in an array, a cover plate is fixed to the upper end of the bellows, an air inlet pipe is fixed on the cover plate, a filter is fixed in the air inlet pipe by bolts, one end of the filter extends out of the air inlet pipe, and a blowing assembly is provided in the bellows.
[0010] By adopting the above technical solution, the dust filter filters the incoming air to reduce the entry of dust, and the wind is blown out through the limiting tube. The limiting tube is in the shape of a trumpet, which is convenient for increasing the blowing area and facilitating drying. The air is heated by the low-temperature heating tube and blown towards the metal casting. The low-temperature heating tubes are distributed in an array to facilitate uniform heating.
[0011] Furthermore, the blowing assembly includes a motor fixed in the bellows, the output end of the motor is fixed with fan blades distributed in an array, the fan blades correspond to the fixed tubes, and a control component is provided between the limiting tube and the conveyor belt.
[0012] By adopting the above technical solution, the rotation of the motor drives the fan blades to generate wind force, which facilitates drying.
[0013] Furthermore, the control component includes two symmetrical temperature sensors fixed on the limiting frame, a controller is fixed on one side of the box, the temperature sensors correspond to the low-temperature heating tubes, the controller is electrically connected to the low-temperature heating tubes, and the controller is electrically connected to the motor.
[0014] By adopting the above technical solution, the heating temperature is monitored by a temperature sensor. When the temperature is low or high, it is fed back to the controller. The controller controls the low-temperature heating tube to facilitate the adjustment of the heating temperature. By controlling the rotation speed of the motor according to the temperature, the speed of the conveyor belt is adjusted to facilitate uniform heating.
[0015] Furthermore, the limiting tube is trumpet-shaped.
[0016] By adopting the above technical solution, the limiting tube is in a trumpet shape, which is convenient for increasing the blowing area.
[0017] Furthermore, a fan is provided on the side of the box away from the controller, a connecting pipe is fixed to one end of the fan, the connecting pipe extends into the box, and an air outlet pipe is fixed to the end of the fan away from the connecting pipe.
[0018] By adopting the above technical solution, the fan generates suction, extracts and discharges the exhaust gas in the box through the connecting pipe, and discharges it through the air outlet pipe, which is convenient for drying.
[0019] Furthermore, baffles are provided at both ends of the box body, the baffles are hinged to the box body, the baffles are located inside the discharge port and the feed port, and an insulation board is fixed inside the box body, and the insulation board is an XPS insulation board.
[0020] By adopting the above technical solution, the inlet and outlet are blocked by the baffle, which facilitates the drying of the metal in the box. The insulation board is XPS insulation board, which facilitates the insulation of the box, reduces heat loss, and facilitates the drying of the metal.
[0021] Furthermore, the conveyor belt is made of hollow stainless steel wire.
[0022] By adopting the above technical solution, the conveyor belt is made of hollow stainless steel, which facilitates the passage of hot air and facilitates uniform heating and drying of the metal.
[0023] In summary, this application has at least one of the following beneficial effects:
[0024] 1. When the drying device is in use, start the motor, and the motor rotation drives the fan blades to rotate to generate wind force, so that the air enters the bellows through the air inlet pipe, and the dust filter filters the incoming air to reduce the entry of dust. The wind is blown out through the restriction tube, which is in the shape of a trumpet to increase the blowing area. The air is heated by the low-temperature heating tube and blown to the metal casting. The low-temperature heating tube is distributed in an array to facilitate uniform heating. The heating temperature is then monitored by the temperature sensor. When the temperature is low or high, it is fed back to the controller, and the controller controls the low-temperature heating tube to facilitate adjustment of the heating temperature. By controlling the rotation speed of the motor according to the temperature, the speed of the conveyor belt is adjusted to facilitate uniform heating and the replacement of the dust filter. Through the drying mechanism, the metal castings are evenly heated and dried, reducing the impact on the heating efficiency, facilitating the monitoring of the heating temperature, and reducing the impact on the drying quality of the metal casting coating.
[0025] 2. When the drying device is in use, start the fan, which generates suction to extract and discharge the exhaust gas in the box through the connecting pipe and discharge it through the outlet pipe. During drying, the inlet and outlet are blocked by the baffle to facilitate the drying of the metal in the box. The insulation board is an XPS insulation board to facilitate the insulation of the box, reduce heat loss, and facilitate the drying of the metal. The conveyor belt is made of hollow stainless steel to facilitate the passage of hot air and even heating and drying of the metal. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is the first structural diagram of the drying device in this application.
[0027] Figure 2 This is the second structural diagram of the drying device in this application.
[0028] Figure 3 This is a schematic diagram of the first internal structure of the drying device in this application.
[0029] Figure 4 This is a schematic diagram of the second internal structure of the drying device in this application.
[0030] Description of reference numerals:
[0031] 1. Box body; 2. Support legs; 3. Limiting frame; 4. Conveyor belt; 5. Motor; 6. Low-temperature heating tube; 7. Bellows; 8. Cover plate; 9. Air inlet pipe; 10. Filter; 11. Fixed pipe; 12. Limiting pipe; 13. Controller; 14. Temperature sensor; 15. Fan; 16. Air outlet pipe; 17. Connecting pipe; 18. Baffle; 19. Insulation board; 20. Motor; 21. Fan blades. DETAILED DESCRIPTION
[0032] The following is combined with Figure 1-4 This application is described in further detail.
[0033] The embodiment of the present application discloses a low-temperature drying device for metal surface treatment.
[0034] Reference Figure 1 and Figure 3 A low-temperature drying device for metal surface treatment comprises a box body 1, supporting legs 2 are fixed at the four corners of the lower end of the box body 1, a feed port is opened at the end of the box body 1, and a discharge port is opened at the end of the box body 1 away from the feed port, a limiting frame 3 is fixed in the box body 1, a motor 5 is fixed on one side of the limiting frame 3, a conveyor belt 4 is installed in the limiting frame 3, the output end of the motor 5 extends into the limiting frame 3 and is fixedly connected to the conveyor belt 4, the conveyor belt 4 is located in the feed port and the discharge port, a low-temperature heating tube 6 is provided in the box body 1, and the low-temperature heating tube 6 corresponds to the conveyor belt 4, a bellows 7 is provided at the upper end of the box body 1, and a drying mechanism is provided between the bellows 7 and the conveyor belt 4.
[0035] When the drying device is in use, the box body 1 is supported by the supporting legs 2. The staff puts the metal castings to be dried on the conveyor belt 4 and starts the motor 5. The motor 5 rotates so that the conveyor belt 4 drives the metal castings to move, enters from the feed port, and is heated and dried by the low-temperature heating tank. The drying mechanism facilitates uniform heating and drying of the metal castings, reduces the impact on the heating efficiency, facilitates monitoring of the heating temperature, and reduces the impact on the drying quality of the metal casting coating.
[0036] Reference Figure 2-Figure 4The drying mechanism includes a fixed tube 11 fixed to the upper end of the housing 1. The upper end of the fixed tube 11 is fixedly connected to the bellows 7. The lower end of the fixed tube 11 extends into the housing 1 and is fixedly connected to a limiting tube 12. The limiting tube 12 is fixedly connected to the heating tube. The low-temperature heating tubes 6 are arranged in an array. A cover plate 8 is fixed to the upper end of the bellows 7. An air inlet pipe 9 is fixed to the cover plate 8. A filter screen 10 is fixed to the air inlet pipe 9 by bolts. One end of the filter screen 10 extends out of the air inlet pipe 9. A blowing assembly is provided in the bellows 7. The blowing assembly includes a motor 20 fixed in the bellows 7. The output end of the motor 20 is fixed with fan blades 21 arranged in an array. The fan blades 21 correspond to the fixed tube 11. A control unit is provided between the limiting tube 12 and the conveyor belt 4. The control unit includes two symmetrical temperature sensors 14 fixed to the limiting frame 3. A controller 13 is fixed to one side of the housing 1. The temperature sensors 14 correspond to the low-temperature heating tubes 6. The controller 13 is electrically connected to the low-temperature heating tubes 6. The controller 13 is electrically connected to the motor 5. The limiting tube 12 has a trumpet shape.
[0037] When the drying device is in use, the motor 20 is started. The rotation of the motor 20 drives the fan blades 21 to generate wind force, so that air enters the bellows 7 through the air inlet pipe 9. The dust filter filters the incoming air to reduce the entry of dust. The wind is blown out through the restriction pipe 12. The restriction pipe 12 is trumpet-shaped to increase the blowing area and facilitate drying. The air is heated by the low-temperature heating pipe 6 and blown toward the metal casting. The low-temperature heating pipe 6 is arranged in an array to facilitate uniform heating. The heating temperature is then monitored by the temperature sensor 14. When the temperature is low or high, the feedback is fed back to the controller 13. The controller 13 controls the low-temperature heating pipe 6 to facilitate adjusting the heating temperature. The speed of the conveyor belt 4 is adjusted according to the temperature to facilitate uniform heating. When the dust filter needs to be replaced, the bolt on the air inlet pipe 9 is tightened, the filter 10 is pulled out, cleaned and replaced, and reset to facilitate replacement of the dust filter. The drying mechanism facilitates uniform heating and drying of the metal casting, reduces the impact on heating efficiency, facilitates monitoring of the heating temperature, and reduces the impact on the drying quality of the metal casting coating.
[0038] Reference Figure 2 and Figure 3 A fan 15 is installed on the side of the cabinet 1 away from the controller 13. A connecting pipe 17 is fixed to one end of the fan 15, which extends into the cabinet 1. An outlet pipe 16 is fixed to the end of the fan 15 away from the connecting pipe 17. Baffles 18 are installed at both ends of the cabinet 1. Baffles 18 are hinged to the cabinet 1 and located within the discharge and feed ports. An insulation board 19, made of XPS, is fixed inside the cabinet 1. The conveyor belt 4 is made of hollow stainless steel wire.
[0039] When the drying device is in use, the fan 15 is started, and the fan 15 generates suction to extract and discharge the exhaust gas in the box 1 through the connecting pipe 17 and discharge it through the outlet pipe 16 to facilitate drying. During drying, the inlet and outlet are blocked by the baffle 18 to facilitate the drying of the metal in the box 1. The insulation board 19 is an XPS insulation board 19 to facilitate insulation of the box 1, reduce heat loss, and facilitate the drying of the metal. The conveyor belt 4 is made of hollow stainless steel, which facilitates the passage of hot air and facilitates uniform heating and drying of the metal.
[0040] The working principle of the low-temperature drying device for metal surface treatment in this embodiment is as follows: when the drying device is in use, the box body 1 is supported by the support legs 2, and the worker places the metal casting to be dried on the conveyor belt 4, starts the motor 5, and the motor 5 rotates so that the conveyor belt 4 drives the metal casting to move, enters from the feed port, and is heated and dried by the low-temperature heating tank;
[0041] When the drying device is in use, the motor 20 is started, and the rotation of the motor 20 drives the fan blades 21 to rotate to generate wind force, so that the air enters the bellows 7 through the air inlet pipe 9, and the dust filter filters the incoming air to reduce the entry of dust, and the wind is blown out through the limiting pipe 12. The limiting pipe 12 is in a trumpet shape, which is convenient for increasing the blowing area and facilitating drying. The air is heated by the low-temperature heating pipe 6 and blown to the metal casting. The low-temperature heating pipe 6 is distributed in an array to facilitate uniform heating. The heating temperature is then monitored by the temperature sensor 14. When the temperature is low or high, it is fed back to the controller 13. The controller 13 controls the low-temperature heating pipe 6 to facilitate adjusting the heating temperature. By controlling the rotation speed of the motor 5 according to the temperature, the speed of the conveyor belt 4 is adjusted to facilitate uniform heating. When the dust filter needs to be replaced, the bolts on the air inlet pipe 9 are screwed, the filter 10 is pulled out, and it is cleaned and replaced, and reset to facilitate the replacement of the dust filter.
[0042] When the drying device is in use, the fan 15 is started, and the fan 15 generates suction to extract and discharge the exhaust gas in the box 1 through the connecting pipe 17 and discharge it through the outlet pipe 16. During drying, the baffle 18 is used to block the inlet and outlet, which is convenient for drying the metal in the box 1. The insulation board 19 is an XPS insulation board 19, which is convenient for insulating the box 1 and reducing heat loss, which is convenient for drying the metal. The conveyor belt 4 is made of hollow stainless steel, which is convenient for the passage of hot air and uniform heating and drying of the metal.
Claims
1. A low-temperature drying device for metal surface treatment, comprising a box (1), characterized in that: Support legs (2) are fixed to the four corners of the lower end of the box (1), a feed port is provided at the end of the box (1), and a discharge port is provided at the end of the box (1) away from the feed port. A limiting frame (3) is fixed in the box (1), a motor (5) is fixed on one side of the limiting frame (3), a conveyor belt (4) is installed in the limiting frame (3), the output end of the motor (5) extends into the limiting frame (3) and is fixedly connected to the conveyor belt (4), the conveyor belt (4) is located in the feed port and the discharge port, a low-temperature heating tube (6) is provided in the box (1), the low-temperature heating tube (6) corresponds to the conveyor belt (4), a bellows (7) is provided at the upper end of the box (1), and a drying mechanism is provided between the bellows (7) and the conveyor belt (4).
2. The low-temperature drying device for metal surface treatment according to claim 1, characterized in that: The drying mechanism comprises a fixed tube (11) fixed to the upper end of the box body (1), the upper end of the fixed tube (11) is fixedly connected to the bellows (7), the lower end of the fixed tube (11) extends into the box body (1) and is fixedly connected to a limiting tube (12), the limiting tube (12) is fixedly connected to the heating tube, the low-temperature heating tubes (6) are distributed in an array, a cover plate (8) is fixed to the upper end of the bellows (7), an air inlet pipe (9) is fixed to the cover plate (8), a filter (10) is fixed in the air inlet pipe (9) by bolts, one end of the filter (10) extends out of the air inlet pipe (9), and a blowing assembly is provided in the bellows (7).
3. The low-temperature drying device for metal surface treatment according to claim 2, characterized in that: The blowing assembly comprises a motor (20) fixed in a bellows (7), an output end of the motor (20) is fixed with fan blades (21) distributed in an array, the fan blades (21) correspond to the fixed tubes (11), and a control member is provided between the limiting tube (12) and the conveyor belt (4).
4. The low-temperature drying device for metal surface treatment according to claim 3, characterized in that: The control component includes two symmetrical temperature sensors (14) fixed on the limiting frame (3), a controller (13) is fixed on one side of the box (1), the temperature sensors (14) correspond to the low-temperature heating tube (6), the controller (13) is electrically connected to the low-temperature heating tube (6), and the controller (13) is electrically connected to the motor (5).
5. The low-temperature drying device for metal surface treatment according to claim 2, characterized in that: The limiting tube (12) is trumpet-shaped.
6. The low-temperature drying device for metal surface treatment according to claim 1, characterized in that: A fan (15) is provided on a side of the box body (1) away from the controller (13), a connecting pipe (17) is fixed to one end of the fan (15), the connecting pipe (17) extends into the box body (1), and an air outlet pipe (16) is fixed to the end of the fan (15) away from the connecting pipe (17).
7. The low-temperature drying device for metal surface treatment according to claim 1, characterized in that: Baffles (18) are provided at both ends of the box body (1), the baffles (18) are hinged to the box body (1), and the baffles (18) are located inside the discharge port and the feed port. A heat preservation board (19) is fixed inside the box body (1), and the heat preservation board (19) is an XPS heat preservation board (19).
8. The low-temperature drying device for metal surface treatment according to claim 1, characterized in that: The conveyor belt (4) is made of hollow stainless steel wire.