A plastic parts spray drying room

By introducing purification devices and circulation systems into the plastic parts spraying and drying room, the problem of toxic waste gas emissions has been solved, safety and energy efficiency have been improved, and the stability and efficiency of the drying process have been ensured.

CN224586186UActive Publication Date: 2026-08-04JUNLONG (HUIZHOU) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JUNLONG (HUIZHOU) TECH CO LTD
Filing Date
2025-08-12
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing plastic parts drying rooms lack air purification structures, resulting in the direct discharge or residue of toxic waste gases, which affects personnel health and cannot be reused.

Method used

Design a plastic parts spraying and drying chamber equipped with a purification device and a circulation system. The exhaust gas is extracted and purified by a fan, and the purified hot air is recycled. The hot air is recirculated by combining the air inlet and the exhaust duct.

Benefits of technology

It improves operator safety, reduces energy consumption, enhances hot air circulation efficiency, and ensures the stability and efficiency of the drying process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model relates to the field of drying equipment technology, and in particular to a plastic parts spray coating drying chamber, including a drying chamber body. Cavities are formed on both the left and right sides of the drying chamber body. Heating devices are fixedly installed inside the cavities. An air outlet sluice is formed at the bottom of the drying chamber body, communicating with the cavities. A hot air device is fixedly installed inside the air outlet sluice. A fan is fixedly installed at the top of the drying chamber. A purification device, cooperating with the fan, is fixedly installed on the upper surface of the drying chamber. Exhaust ducts, cooperating with the cavities, are formed on both the left and right sides of the purification device. This utility model can purify toxic gases through the purification device, increasing the safety of operators. The purified hot air is discharged to the cavities on both sides and, under the continuous extraction of the hot air device, re-enters the drying chamber body through the cavities, improving circulation efficiency and reducing consumption.
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Description

Technical Field

[0001] This utility model relates to the field of drying equipment technology, and in particular to a plastic parts spray coating drying room. Background Technology

[0002] Chinese Patent No. CN202020304862.4 discloses a rapid drying spray coating chamber, comprising: a drying chamber, a heat insulation layer, a heat-reflecting layer, a heating device, air vents, a fan, an air inlet, a heat transfer pipe, and an insulated door; a heat insulation layer is provided on the side wall of the drying chamber; a heat-reflecting layer is provided on the heat insulation layer; a heating device is provided at the upper part of the interior of the drying chamber; air vents are provided on both sides of the heating device; heat-insulating plugs are provided on the air vents; a fan is provided on the outside of the drying chamber; an air inlet is provided on the top of the drying chamber; an air inlet pipe is provided between the air inlet and the fan; the bottom side of the drying chamber is connected to the top of the drying chamber through a heat transfer pipe; and an insulated door is provided at the front end of the drying chamber. This utility model has a simple structure and is easy to use. The heat insulation layer helps prevent heat in the drying chamber from dissipating through the side wall of the drying chamber; the heat-reflecting layer helps reflect the heat on both sides of the dried parts to the middle of the drying chamber for continued heating of the dried parts.

[0003] This device can be used for drying plastic parts. It prevents heat loss from the drying chamber through the heat insulation layer and reflects the heat from both sides to the middle of the drying chamber through the heat-reflecting layer. However, this device does not have an air purification structure. Some of the toxic waste gas generated during drying is directly discharged, while the other part remains in the drying room, which can easily affect the health of personnel. Traditional drying rooms generally purify the waste gas before discharge and cannot be reused. Therefore, an improvement was proposed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as the lack of an air purification structure, the direct discharge of some toxic waste gas generated during drying, and the residue remaining in the drying room, which can easily affect the health of personnel. Traditional drying rooms generally purify the waste gas before discharge, making it impossible to reuse it. Therefore, this invention proposes a plastic parts spray coating drying room.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] Design a plastic parts spray coating drying chamber, including a drying chamber body, with cavities on both the left and right sides of the drying chamber body. A heating device is fixedly installed inside the cavity. An air outlet slot communicating with the cavity is opened at the bottom of the drying chamber body, and a hot air device is fixedly installed inside the air outlet slot. A fan is fixedly installed at the top of the drying chamber. A purification device cooperating with the fan is fixedly installed on the upper surface of the drying chamber. Exhaust ducts cooperating with the cavity are opened on both the left and right sides of the purification device. A top cover covering the purification device is fixedly connected to the upper surface of the drying chamber, and an air inlet is opened on the upper surface of the top cover.

[0007] Preferably, the hot air device has air inlets on both the left and right sides that cooperate with the cavity, and an air outlet on the upper surface of the hot air device that communicates with the drying chamber body.

[0008] Preferably, the heating device is provided in multiple sets, and the top of the cavity is fixedly connected with a number of fixing seats equal to the number of heating devices, and the heating devices are inserted and fixed inside the fixing seats.

[0009] Preferably, the drying chamber body is provided with a front opening structure, and a sealing door is hinged to the front opening of the drying chamber body.

[0010] Preferably, both the sealed door and the interior of the rear side of the drying chamber are filled with thermal insulation material.

[0011] Preferably, the drying chamber body is equipped with an automatic spraying device, and multiple sets of support frames for supporting plastic parts are fixedly connected inside the drying chamber body.

[0012] Preferably, casters are fixedly installed at the four corners of the lower end face of the drying chamber body.

[0013] The advantages of this utility model for a plastic parts spray coating and drying chamber are as follows: Through the combined action of the air inlet and outlet, the hot air device can extract hot air from the cavity and send it into the interior of the drying chamber. The heating device continuously heats the interior of the drying chamber, ensuring drying temperature and efficiency. The hot air blows from bottom to top, filling the entire drying chamber and ensuring uniform drying of the plastic parts. Simultaneously, a fan continuously extracts waste gas from the drying chamber and sends it to a purification device. This purification device removes toxic gases, increasing operator safety. With the assistance of the exhaust duct, the purified hot air is discharged to the side cavities. Under the continuous extraction of the hot air device, most of the hot air re-enters the drying chamber through the cavities, thereby improving hot air circulation efficiency and reducing drying energy consumption. The top cover prevents hot air dissipation, ensuring circulation stability, while the air inlet draws in external air, achieving circulation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a plastic parts spraying and drying chamber proposed in this utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a plastic parts spraying and drying chamber proposed in this utility model;

[0016] Figure 3 This is a cross-sectional structural diagram of a plastic parts spraying and drying chamber proposed in this utility model;

[0017] Figure 4 This utility model proposes a plastic parts spray drying chamber. Figure 3 Enlarged view of a portion of point A in the middle;

[0018] Figure 5 This is an exploded structural diagram of a plastic parts spraying and drying chamber proposed in this utility model.

[0019] In the diagram: 1. Drying chamber body; 101. Cavity; 102. Fixing base; 103. Air outlet duct; 2. Sealed door; 3. Casters; 4. Top cover; 401. Air inlet; 5. Purification device; 501. Exhaust duct; 6. Fan; 7. Hot air device; 701. Air inlet duct; 702. Air outlet; 8. Heating device. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-5A plastic parts spraying and drying chamber includes a drying chamber body 1. Cavities 101 are formed on both the left and right sides of the drying chamber body 1. A heating device 8 is fixedly installed inside each cavity 101. An air outlet duct 103 communicating with the cavities 101 is formed at the bottom of the drying chamber body 1. A hot air device 7 is fixedly installed inside the air outlet duct 103. A fan 6 is fixedly installed at the top of the drying chamber. A purification device 5 cooperating with the fan 6 is fixedly installed on the upper surface of the drying chamber. Exhaust ducts 501 cooperating with the cavities 101 are formed on both the left and right sides of the purification device 5. The upper surface of the drying chamber is fixedly connected to... The top cover 4 covers the purification device 5. The upper surface of the top cover 4 has an air inlet 401. The purification device 5 can purify toxic gases and increase the safety of operators. With the help of the exhaust duct 501, the purified hot air is discharged to the two side cavities 101. With the continuous extraction of the hot air device 7, most of the hot air will re-enter the drying chamber body 1 through the cavity 101, thereby improving the hot air circulation efficiency and reducing the energy consumed in drying. The top cover 4 can prevent the hot air from dissipating and ensure the stability of the circulation. The air inlet 401 can draw in external air to achieve circulation.

[0022] refer to Figure 1 , 2 To facilitate opening the drying chamber body, a front opening structure is provided on the drying chamber body 1. A sealing door 2 is hinged to the front opening of the drying chamber body 1. Both the sealing door 2 and the interior of the rear side of the drying chamber body 1 are filled with heat insulation material. By filling with heat insulation material, the heat of the drying chamber body 1 can be prevented from escaping, avoiding local temperature substandard conditions that would affect the drying effect.

[0023] To facilitate the use of the device, an automatic spraying device is installed inside the drying chamber body 1. Multiple sets of support frames for supporting plastic parts are fixedly connected inside the drying chamber body 1. The plastic parts are fixed by the support frames and sprayed with the help of the automatic spraying device for subsequent drying.

[0024] refer to Figure 1 To facilitate the movement of the device, casters 3 are fixedly installed at the four corners of the lower end face of the drying chamber body 1.

[0025] refer to Figure 2 , 3 To ensure the stability of the circulation, air inlets 701 that cooperate with the cavity 101 are provided on both the left and right sides of the hot air device 7. An air outlet 702 that communicates with the drying chamber body 1 is provided on the upper end face of the hot air device 7. The hot air inside the cavity 101 is drawn out by the hot air device 7 and then sent into the drying chamber body 1 through the air inlets 701.

[0026] refer to Figure 3 , 5To improve drying efficiency, multiple sets of heating devices 8 are provided. The top of the cavity 101 is fixedly connected with a number of fixing seats 102 equal to the number of heating devices 8. The heating devices 8 are inserted and fixed inside the fixing seats 102. The heating devices 8 can be fixed by the fixing seats 102. They are inserted and fixed from below, which is convenient for installation and disassembly.

[0027] Working method: During operation, the plastic parts to be sprayed and dried are fixed to the support frame inside the drying chamber body 1. An automatic spraying device sprays the parts. After spraying, the hot air device 7 extracts hot air from the cavity 101 and sends it into the drying chamber body 1. The heating device 8 continuously heats the drying chamber body 1 to ensure drying temperature and efficiency. The hot air blows from bottom to top, filling the entire drying chamber body 1, enabling uniform drying of the plastic parts. Meanwhile, the fan 6 continuously extracts waste air from inside the drying chamber body 1. The gas is sent into the purification device 5, which can purify toxic gases and increase the safety of operators. With the help of the exhaust duct 501, the purified hot air is discharged to the two side cavities 101. Under the continuous extraction of the hot air device 7, most of the hot air will re-enter the drying chamber body 1 through the cavity 101, thereby improving the hot air circulation efficiency and reducing the energy consumed in drying. The top cover 4 can prevent the hot air from dissipating and ensure the stability of the circulation. The air inlet 401 can draw in external air to achieve circulation.

[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A plastic parts spray coating drying chamber, comprising a drying chamber body (1), characterized in that: The drying chamber body (1) has cavities (101) on both the left and right sides. A heating device (8) is fixedly installed inside the cavity (101). An air outlet slot (103) communicating with the cavity (101) is opened at the bottom of the drying chamber body (1). A hot air device (7) is fixedly installed inside the air outlet slot (103). A fan (6) is fixedly installed at the top of the drying chamber. A purification device (5) cooperating with the fan (6) is fixedly installed on the upper surface of the drying chamber. An exhaust duct (501) cooperating with the cavity (101) is opened on both the left and right sides of the purification device (5). A top cover (4) covering the purification device (5) is fixedly connected to the upper surface of the drying chamber. An air inlet (401) is opened on the upper surface of the top cover (4).

2. The plastic parts spraying and drying chamber according to claim 1, characterized in that: The hot air device (7) has air inlets (701) on both the left and right sides that cooperate with the cavity (101), and the hot air device (7) has an air outlet (702) on the upper end face that communicates with the drying room body (1).

3. The plastic parts spraying and drying chamber according to claim 1, characterized in that: The heating device (8) is provided in multiple sets, and the top of the cavity (101) is fixedly connected with a number of fixed seats (102) equal to the number of heating devices (8), and the heating device (8) is inserted and fixed inside the fixed seat (102).

4. The plastic parts spraying and drying chamber according to claim 1, characterized in that: The drying chamber body (1) is provided with a front opening structure, and a sealing door (2) is hinged to the front opening of the drying chamber body (1).

5. A plastic parts spraying and drying chamber according to claim 4, characterized in that: Both the sealed door (2) and the interior of the rear side of the drying chamber body (1) are filled with heat-insulating material.

6. The plastic parts spraying and drying chamber according to claim 1, characterized in that: The drying chamber body (1) is equipped with an automatic spraying device inside, and multiple sets of support frames for supporting plastic parts are fixedly connected inside the drying chamber body (1).

7. A plastic parts spraying and drying chamber according to claim 1, characterized in that: Universal wheels (3) are fixedly installed at the four corners of the lower end face of the drying room body (1).