Spraying chamber air supply and exhaust device based on plastic product processing

Abstract

The utility model relates to the technical field of plastic product processing, and discloses a spraying chamber air supply and exhaust device based on plastic product processing, which comprises a spraying chamber, a supporting plate is horizontally arranged in the spraying chamber, and two sides of the bottom of the supporting plate are fixedly connected with the bottom of the spraying chamber through supporting rods. An air supply pipe is fixedly arranged on the lower surface of the supporting plate, first exhaust pipes are fixedly arranged on the two sides of the interior of the spraying chamber, a plurality of evenly-distributed exhaust holes are formed in the pipe walls of the first exhaust pipes, an exhaust box is fixedly arranged at the top of the spraying chamber, and the upper ends of the two first exhaust pipes are fixedly connected with the bottom of the exhaust box. And an exhaust hood is fixedly arranged at the top of the exhaust box, a gas filtering mechanism is arranged in the exhaust hood, and a second exhaust pipe is fixedly arranged at the top of the exhaust hood. According to the utility model, the uniformly arranged air supply structure and the rapid air exhaust structure are adopted, so that the spraying chamber can rapidly supply air and exhaust air, and the processing efficiency of plastic products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product processing, in particular to an air supply and exhaust device for a spraying chamber based on plastic product processing. Background Art

[0002] Plastic products are a general term for daily necessities, industrial products, etc. processed mainly with plastics, including products of all processes such as injection molding and thermoforming with plastics as raw materials. Plastics are a type of synthetic polymer material with plasticity. Spraying operations have high production efficiency, are suitable for manual operations and industrial automation production, and have a wide range of applications, mainly in fields such as hardware, plastics, furniture, military, and ships. It is the most commonly used coating method today.

[0003] Spraying operations require a dust-free workshop with an environmental requirement of one million to one hundred levels. However, when the existing spraying chamber supplies and exhausts air, due to the large internal space of the spraying chamber, in the process of air supply, in order to make the gas fill the spraying chamber, it is necessary to wait for a period of time, and during exhaust, it is also necessary to wait for a period of time to exhaust completely, resulting in low efficiency of air supply and exhaust. For this reason, an air supply and exhaust device for a spraying chamber based on plastic product processing is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems raised in the background art, and to propose an air supply and exhaust device for a spraying chamber based on plastic product processing.

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

[0006] An air supply and exhaust device for a spraying chamber based on plastic product processing, including a spraying chamber. A tray is horizontally arranged inside the spraying chamber. Both sides of the bottom of the tray are fixedly connected to the bottom of the spraying chamber through support rods. An air supply pipe is fixedly arranged on the lower surface of the tray. Both sides inside the spraying chamber are fixedly provided with first exhaust pipes, and a plurality of uniformly distributed exhaust holes are formed in the pipe walls of the first exhaust pipes. An exhaust box is fixedly arranged on the top of the spraying chamber. The upper ends of the two first exhaust pipes are fixedly connected to the bottom of the exhaust box. An exhaust hood is fixedly arranged on the top of the exhaust box, and a gas filtering mechanism is arranged inside the exhaust hood. A second exhaust pipe is fixedly arranged on the top of the exhaust hood.

[0007] Preferably, the tray is made of a hollow plate, and a plurality of uniformly distributed air supply holes are formed on the surface of the tray.

[0008] Preferably, the air supply pipe is an L-shaped pipe. One end of the air supply pipe extends into the tray, and the other end of the air supply pipe extends outside the spraying chamber.

[0009] Preferably, the exhaust hood includes a hood body and a hood top. The hood body is fixedly arranged on the top of the exhaust air box. A threaded ring is fixedly provided at the bottom of the hood top. A threaded groove matching with the threaded ring is provided at the top of the hood body. The second exhaust air pipe is fixedly arranged on the top of the hood top.

[0010] Preferably, the gas filtering mechanism includes an activated carbon filtering layer. A supporting net is fixedly arranged inside the hood body. The activated carbon filtering layer is laid on the upper surface of the supporting net.

[0011] Preferably, a sealing door is provided on the side wall of the spraying chamber.

[0012] Compared with the prior art, the utility model provides a spraying chamber air supply and exhaust device based on plastic product processing, which has the following beneficial effects:

[0013] 1. For the spraying chamber air supply and exhaust device based on plastic product processing, through the provided air supply pipe and the supporting plate, the air supply pipe is connected with an external air supply component. The air supply pipe can send gas into the inside of the supporting plate and then evenly distribute it inside the spraying chamber through the supporting plate, so that the gas can quickly fill the spraying chamber.

[0014] 2. For the spraying chamber air supply and exhaust device based on plastic product processing, through the provided first exhaust air pipe, exhaust holes, exhaust air box, exhaust hood and second exhaust air pipe, the second exhaust air pipe is connected with an external exhaust component, which can make the inside of the exhaust hood, the exhaust air box and the first exhaust air pipe generate negative pressure, so that the gas inside the spraying chamber can be quickly and evenly extracted through a plurality of exhaust holes, improving the exhaust efficiency.

[0015] 3. For the spraying chamber air supply and exhaust device based on plastic product processing, through the provided hood body, hood top, threaded ring, supporting net and activated carbon filtering layer, when the gas is discharged, the gas passes through the activated carbon filtering layer, which can filter harmful substances in the gas. When the activated carbon filtering layer needs to be replaced, only need to rotate the hood top to separate it from the hood body, and then the activated carbon filtering layer can be exposed.

[0016] Parts not involved in this device are the same as the prior art or can be implemented by using the prior art. The utility model adopts a uniformly arranged air supply structure and a fast exhaust structure, enabling the spraying chamber to supply and exhaust air quickly and improving the efficiency of plastic product processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a spraying chamber air supply and exhaust device based on plastic product processing proposed by the utility model;

[0018] Figure 2 is Figure 1 a cross-sectional view of

[0019] Figure 3 is Figure 2 a sectional view of the middle platen;

[0020] Figure 4 is Figure 2 a schematic structural diagram of the middle exhaust hood.

[0021] In the figure: 1, spraying chamber; 2, platen; 3, support rod; 4, air supply pipe; 5, first exhaust pipe; 6, exhaust hole; 7, exhaust box; 8, exhaust hood; 9, second exhaust pipe; 10, air supply hole; 11, hood body; 12, hood top; 13, threaded ring; 14, support net; 15, activated carbon filter layer; 16, sealing door. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0024] Referring to Figures 1-3 , a spraying chamber air supply and exhaust device based on plastic product processing, including a spraying chamber 1, a sealing door 16 is provided on the side wall of the spraying chamber 1, and plastic products can be put in or taken out by opening the sealing door 16. A platen 2 is horizontally arranged inside the spraying chamber 1. Both sides of the bottom of the platen 2 are fixedly connected to the bottom of the spraying chamber 1 through support rods 3. An air supply pipe 4 is fixedly provided on the lower surface of the platen 2. The platen 2 is made of a hollow plate, and a plurality of uniformly distributed air supply holes 10 are opened on the surface of the platen 2. The air supply pipe 4 is an L-shaped pipe. One end of the air supply pipe 4 extends into the platen 2, and the other end of the air supply pipe 4 extends outside the spraying chamber 1. The air supply pipe 4 is connected to an external air supply component. The air supply pipe 4 can send gas into the platen 2, and then be evenly distributed inside the spraying chamber through the air supply holes 10 on the platen 2, so that the gas can quickly fill the spraying chamber.

[0025] Referring to Figures 1-2, on both sides inside the spraying chamber 1, first exhaust air ducts 5 are fixedly arranged, and a plurality of uniformly distributed exhaust holes 6 are formed in the pipe walls of the first exhaust air ducts 5. An exhaust air box 7 is fixedly arranged at the top of the spraying chamber 1. The upper ends of the two first exhaust air ducts 5 are fixedly connected to the bottom of the exhaust air box 7. An exhaust hood 8 is fixedly arranged at the top of the exhaust air box 7, and a gas filtering mechanism is arranged inside the exhaust hood 8. A second exhaust air duct 9 is fixedly arranged at the top of the exhaust hood 8, and the second exhaust air duct 9 is connected to an external exhaust assembly, which can make the inside of the exhaust hood 8, the exhaust air box 7 and the first exhaust air ducts 5 generate negative pressure, so that the internal gas of the spraying chamber is quickly and evenly extracted through the plurality of exhaust holes 6, improving the exhaust efficiency.

[0026] Referring to Figures 1-2 and Figure 4, the exhaust hood 8 includes a hood body 11 and a hood top 12. The hood body 11 is fixedly arranged at the top of the exhaust air box 7. A threaded ring 13 is fixedly arranged at the bottom of the hood top 12. A threaded groove matching with the threaded ring 13 is arranged at the top of the hood body 11. The second exhaust air duct 9 is fixedly arranged at the top of the hood top 12. The gas filtering mechanism includes an activated carbon filtering layer 15. A supporting net 14 is fixedly arranged inside the hood body 11. The activated carbon filtering layer 15 is laid on the upper surface of the supporting net 14. When the gas is discharged, the gas passes through the activated carbon filtering layer 15, which can suck and filter harmful substances in the gas, ensuring that the discharged gas is pollution-free. When the activated carbon filtering layer 15 needs to be replaced, only need to rotate the hood top 12 to move the threaded ring 13 out of the threaded groove, so that the hood top 12 is separated from the hood body 11. At this time, the activated carbon filtering layer 15 can be exposed, which is convenient for replacing the saturated activated carbon filtering layer 15.

[0027] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. An air supply and exhaust device for a spraying room based on plastic product processing, comprising a spraying room (1), characterized in that: A support plate (2) is horizontally arranged inside the spraying room (1), and both sides of the bottom of the support plate (2) are fixedly connected to the bottom of the spraying room (1) through support rods (3). An air supply pipe (4) is fixedly arranged on the lower surface of the support plate (2). Both sides of the inside of the spraying room (1) are fixedly arranged with a first exhaust pipe (5), and the pipe wall of the first exhaust pipe (5) is provided with a plurality of evenly distributed exhaust holes (6). An exhaust box (7) is fixedly arranged on the top of the spraying room (1), and the upper ends of the two first exhaust pipes (5) are fixedly connected to the bottom of the exhaust box (7). An exhaust hood (8) is fixedly arranged on the top of the exhaust box (7), and a gas filtering mechanism is provided inside the exhaust hood (8). A second exhaust pipe (9) is fixedly arranged on the top of the exhaust hood (8).

2. The air supply and exhaust device for a spraying room based on plastic product processing according to claim 1 is characterized in that: The support plate (2) is a hollow plate, and a plurality of evenly distributed air supply holes (10) are provided on the surface of the support plate (2).

3. The air supply and exhaust device for a spraying room based on plastic product processing according to claim 1 is characterized in that: The air supply pipe (4) is an L-shaped pipe, one end of the air supply pipe (4) extends to the inside of the support plate (2), and the other end of the air supply pipe (4) extends to the outside of the spray chamber (1).

4. The air supply and exhaust device for a spraying room based on plastic product processing according to claim 1 is characterized in that: The exhaust hood (8) comprises a hood body (11) and a hood top (12); the hood body (11) is fixedly arranged on the top of the exhaust box (7); a threaded ring (13) is fixedly arranged on the bottom of the hood top (12); a threaded groove matching the threaded ring (13) is arranged on the top of the hood body (11); and the second exhaust pipe (9) is fixedly arranged on the top of the hood top (12).

5. The air supply and exhaust device for a spraying room based on plastic product processing according to claim 4 is characterized in that: The gas filtering mechanism comprises an activated carbon filter layer (15), a support net (14) is fixedly provided inside the cover body (11), and the activated carbon filter layer (15) is laid on the upper surface of the support net (14).

6. The air supply and exhaust device for a spraying room based on plastic product processing according to claim 1 is characterized in that: The side wall of the spraying room (1) is provided with a sealing door (16).

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