CN218653501U - Dust-free workshop return air filter equipment - Google Patents

Abstract

The utility model belongs to the field of filtering equipment, in particular to a dust-free workshop return air filter device, which includes a return air duct and a filter screen located in the return air duct, a fan is installed in the return air duct, and a control box is fixedly installed on the top of the return air duct , a lifting plate is slidingly installed in the control box, and a driving mechanism is arranged in the control box, and the driving mechanism is connected with the lifting plate. The bottom of the lifting plate is fixed with a hollow tube, and the bottom end of the hollow tube extends into the return air pipe and is installed There is a U-shaped seat, the two sides of the U-shaped seat can be rotated upwards and a rotating shaft is installed, and a cleaning roller is fixedly installed on the rotating shaft, and the cleaning roller is matched with the filter screen. There is a vacuum hose. The utility model has a reasonable design, and the filter screen can be cleaned by moving and rotating the cleaning roller, and the cleaned dust can be absorbed by the vacuum cleaner through the dust suction cover, so that the purpose of cleaning the filter screen can be realized.

Description

A dust-free workshop return air filter device

technical field

The utility model relates to the technical field of filtering equipment, in particular to a dust-free workshop return air filtering device.

Background technique

Clean room, also known as clean room, dust-free workshop, clean room or clean room, the main function of the clean room is indoor pollution control. Without a clean room, it is impossible to mass-produce pollution-sensitive parts. A clean room is defined as having air filtration, A room in which materials and fixtures are allocated, optimized, and constructed, in which specific regular operating procedures are established to control the concentration of airborne particulates in order to achieve an appropriate level of particulate cleanliness.

At present, a Chinese patent announcement with the notification number CN216897650U is a return air filter device for a dust-free workshop, including an air inlet frame, a side frame and an air outlet frame, and the ends of the air inlet frame are fixed with The air outlet frame, the outer walls of both sides of the air inlet frame are equipped with side frames, the outer walls of the side frames are installed with closed frames; the serpentine heat exchange tubes penetrating the air inlet frame are installed in the side frames, and the One end of the serpentine heat exchange tube is connected with an inlet connecting pipe, and the other end of the serpentine connecting pipe is connected with an outlet connecting pipe, the end of the inlet connecting pipe is connected with the outlet of the exhaust fan, and the exhaust fan is installed and fixed on the side The bottom of the frame, the inlet of the exhaust fan is connected with an exhaust pipe, and the end of the exhaust pipe is equipped with a filter bucket; the inside of the air intake frame is equipped with an exhaust fan, a first filter screen, and a second filter screen and a third strainer. Avoid excessive indoor heat loss, reduce energy loss, avoid large changes in indoor temperature, facilitate adjustment and change of the angle of fresh air, and make it more comfortable to use.

In actual use, it is found that the air in the return air duct can be filtered by setting a filter screen, but the filtered impurity particles will adhere to the filter screen, so it is troublesome to clean the impurity particles on the filter screen, and there are too many impurity particles It is easy to block the filter screen, so we propose a dust-free workshop return air filter device to solve the above problems.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a dust-free workshop return air filter device.

In order to achieve the above object, the utility model adopts the following technical solutions:

A dust-free workshop, including a return air duct and a filter screen located in the return air duct, a fan is installed in the return air duct, a control box is fixedly installed on the top of the return air duct, a lifting plate is slidably installed in the control box, and a control box is installed in the control box. There is a driving mechanism, and the driving mechanism is connected with the lifting plate;

The bottom of the lifting plate is fixed with a hollow tube, the bottom of the hollow tube extends into the air return pipe and is equipped with a U-shaped seat, the two sides of the U-shaped seat can be rotated and installed with a rotating shaft, and a cleaning device is fixedly installed on the rotating shaft. Roller, the cleaning roller is compatible with the filter screen;

A vacuum cleaner is installed on the top of the lifting plate, and a dust suction pipe is installed on the vacuum cleaner. One end of the dust suction pipe runs through the hollow pipe and a dust suction cover is installed, and the dust suction cover is located above the cleaning roller.

Preferably, the drive mechanism includes a drive motor and a threaded rod, the drive motor is fixedly mounted on the top inner wall of the control box, the threaded rod is fixedly mounted on the output shaft of the drive motor, and the lifting plate is threaded on the threaded rod, A limit mechanism is arranged between the lifting plate and the control box.

Preferably, the limiting mechanism includes a limiting hole and a limiting rod, the limiting hole is set on the lifting plate, the limiting rod is fixedly installed on the top inner wall and the bottom inner wall of the control box, and the limiting hole and the The limit rod is slidingly connected.

Preferably, a transmission mechanism is provided in the air return pipe, and the transmission mechanism is connected with the rotating shaft.

Preferably, the transmission mechanism includes a transmission gear and a rack seat, the transmission gear is fixedly installed on the rotating shaft, the rack seat is fixedly installed on the top and bottom inner walls of the return air duct, and the transmission gear is connected to the rack seat engage.

Preferably, limit slots are provided on the front and rear inner walls of the return air pipe, and limit seats are installed on the front and rear sides of the U-shaped seat, and the limit seats are slidably connected to the corresponding limit grooves.

Preferably, both inner walls of the U-shaped seat are provided with rotating grooves, and the rotating shaft is rotatably connected to the corresponding rotating grooves.

Preferably, a guide hole is opened on the top inner wall of the air return pipe, and a sealing ring is fixedly installed in the guide hole, and the hollow pipe is slidingly and sealingly connected with the sealing ring.

The beneficial effects of the utility model:

1. The filter in the return air duct can be used to filter the impurity particles in the return air duct. When the impurity particles accumulate on the filter, the filter needs to be cleaned;

2. By starting the driving motor and the vacuum cleaner, the driving motor can drive the threaded rod to rotate, the threaded rod can drive the lifting plate to move down, the lifting plate can drive the hollow tube to move down, and the hollow tube can drive the U-shaped seat, the suction pipe and The dust cover moves downward, and the U-shaped seat can drive the cleaning roller to move downward to clean the filter screen. At this time, the cleaned dust is absorbed by the vacuum cleaner through the dust cover, which can realize the purpose of cleaning the filter screen;

3. By being provided with a transmission gear and a rack seat, when the rotating shaft 14 and the transmission gear move downward synchronously with the U-shaped shaft, under the action of the rack seat, the rotating shaft 14 can rotate on its own, and the rotating shaft 14 can drive The cleaning roller rotates to realize the purpose of comprehensively cleaning the filter net.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a dust-free workshop return air filter device proposed by the utility model;

Fig. 2 is a front structural schematic diagram of a dust-free workshop return air filter device proposed by the utility model;

Fig. 3 is a structural schematic diagram of part A of a dust-free workshop return air filter device proposed by the utility model;

Fig. 4 is a schematic structural diagram of part B of a dust-free workshop return air filter device proposed by the utility model.

In the figure: 1. Return air pipe; 2. Filter screen; 3. Fan; 4. Control box; 5. Lifting plate; 6. Limit rod; 7. Drive motor; 8. Threaded rod; 9. Hollow pipe; 10 1. Vacuum cleaner; 11. Dust suction pipe; 12. Dust suction cover; 13. U-shaped seat; 14. Rotation shaft; 15. Cleaning roller; 16. Transmission gear; 17. Rack seat.

Detailed ways

The technical solutions of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

When a part is said to be "disposed on" another part, it may be directly on the other part or there may also be an intervening part, "disposed" means a manner of being, which may be connected, mounted, fixedly connected, active connected and other connection methods. When a component is said to be "connected" to another component, it may be directly connected to the other component or intervening components may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to Figures 1-4, a dust-free workshop return air filter device includes a return air pipe 1 and a filter screen 2 located in the return air pipe 1, a fan 3 is installed in the return air pipe 1, and the top of the return air pipe 1 is fixed A control box 4 is installed, and a lifting plate 5 is slidably installed in the control box 4. A driving mechanism is arranged in the control box 4, and the driving mechanism is connected with the lifting plate 5. The bottom of the lifting plate 5 is fixedly equipped with a hollow tube 9, and the hollow tube 9 The bottom end of the U-shaped seat 13 is installed in the return air pipe 1, and the two sides of the U-shaped seat 13 can be rotated to install the rotating shaft 14, and the cleaning roller 15 is fixedly installed on the rotating shaft 14, and the cleaning roller 15 is connected with the filter The net 2 is adapted, the top of the lifting plate 5 is equipped with a vacuum cleaner 10, and a dust suction pipe 11 is installed on the vacuum cleaner 10. One end of the dust suction pipe 11 runs through the hollow pipe 9 and a dust collection cover 12 is installed, and the dust collection cover 12 is located on the Above the cleaning roller 15, when the cleaning roller 15 sweeps the dust, the cleaned dust will be absorbed by the vacuum cleaner 10 through the dust suction cover 12, so that the purpose of cleaning the filter screen 2 can be achieved.

Above-mentioned driving mechanism comprises driving motor 7 and threaded rod 8, and driving motor 7 is fixedly mounted on the top inner wall of control box 4, and threaded rod 8 is fixedly mounted on the output shaft of driving motor 7, and lifting plate 5 is threadedly set on threaded rod 8. There is a limit mechanism between the lifting plate 5 and the control box 4. The limit mechanism includes a limit hole and a limit rod 6. On the top inner wall and the bottom inner wall, and the limit hole is slidably connected with the limit rod 6. By setting the limit mechanism, the lifting plate 5 can move stably in the vertical direction. When the threaded rod 8 rotates, the thread The rod 8 can drive the lifting plate 5 to move stably.

In this embodiment, a transmission mechanism is provided in the air return pipe 1, and the transmission mechanism is connected with the rotating shaft 14. The transmission mechanism includes a transmission gear 16 and a rack seat 17. The transmission gear 16 is fixedly installed on the rotation shaft 14, and the rack Seat 17 is fixedly installed on the top and the bottom inner wall of air return pipe 1, and transmission gear 16 is engaged with rack seat 17, when rotating shaft 14 and transmission gear 16 move down synchronously with U-shaped shaft, in rack seat 17 Under the action of the rotation shaft 14, the rotation shaft 14 can drive the cleaning roller 15 to rotate.

In this embodiment, limit slots are provided on the front and rear inner walls of the return air duct 1, and limit seats are installed on the front and rear sides of the U-shaped seat 13, and the limit seats slide with the corresponding limit grooves. Connection, by setting the limit groove and the limit seat, the purpose of stable movement of the U-shaped seat 13 can be realized, the inner walls of both sides of the U-shaped seat 13 are provided with rotating grooves, and the rotating shaft 14 rotates with the corresponding rotating groove connection, the top inner wall of the air return pipe 1 is provided with a guide hole, and a seal ring is fixedly installed in the guide hole, and the hollow pipe 9 is connected to the seal ring in a sliding and sealed manner, and a guide hole and a seal ring can be provided, so that the hollow pipe 9 and the seal ring can be increased. The tightness between the return air pipes 1.

In the utility model, the impurity particles in the air return pipe 1 can be filtered through the filter screen 2 in the air return pipe 1. When the impurity particles accumulate on the filter screen 2, the filter screen 2 needs to be cleaned. The drive motor 7 and the vacuum cleaner 10, the drive motor 7 can drive the threaded rod 8 to rotate, the threaded rod 8 can drive the lifting plate 5 to move downward, the lifting plate 5 can drive the hollow tube 9 to move downward, and the hollow tube 9 can drive the U-shaped seat 13. The dust suction pipe 11 and the dust suction hood 12 move downward, and the U-shaped seat 13 can drive the cleaning roller 15 to move downward to clean the filter screen 2. At this time, the cleaned dust is absorbed by the vacuum cleaner 10 through the dust suction hood 12. Can realize the purpose that filter screen 2 is cleaned, by being provided with transmission gear 16 and rack seat 17, when rotating shaft 14 and transmission gear 16 and U-shape synchronously move downwards, under the effect of rack seat 17, can Realize that the rotating shaft 14 can rotate on its own, and the rotating shaft 14 can drive the cleaning roller 15 to rotate, so that the purpose of comprehensively cleaning the filter screen 2 can be realized.

The above is a detailed introduction of the dust-free workshop return air filter device provided by the utility model. In this paper, specific examples are used to illustrate the principle and implementation of the utility model, and the descriptions of the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (8)

1. The return air filtering device for the dust-free workshop is characterized by comprising a return air pipe (1) and a filter screen (2) positioned in the return air pipe (1), wherein a fan (3) is installed in the return air pipe (1), a control box (4) is fixedly installed at the top of the return air pipe (1), a lifting plate (5) is installed in the control box (4) in a sliding manner, a driving mechanism is arranged in the control box (4), and the driving mechanism is connected with the lifting plate (5);

the bottom of the lifting plate (5) is fixedly provided with a hollow pipe (9), the bottom end of the hollow pipe (9) extends into the air return pipe (1) and is provided with a U-shaped seat (13), two sides of the U-shaped seat (13) can be rotatably provided with rotating shafts (14), the rotating shafts (14) are fixedly provided with cleaning rollers (15), and the cleaning rollers (15) are matched with the filter screen (2);

dust catcher (10) are installed at the top of lifter plate (5), install dust absorption pipe (11) on dust catcher (10), hollow tube (9) are run through and suction hood (12) are installed to the one end of dust absorption pipe (11), just suction hood (12) are located the top of cleaning roller (15).

2. The dust-free workshop return air filtering device according to claim 1, wherein the driving mechanism comprises a driving motor (7) and a threaded rod (8), the driving motor (7) is fixedly installed on the inner wall of the top of the control box (4), the threaded rod (8) is fixedly installed on an output shaft of the driving motor (7), the lifting plate (5) is sleeved on the threaded rod (8) in a threaded manner, and a limiting mechanism is arranged between the lifting plate (5) and the control box (4).

3. The dust-free workshop return air filtering device as claimed in claim 2, wherein the limiting mechanism comprises a limiting hole and a limiting rod (6), the limiting hole is formed in the lifting plate (5), the limiting rod (6) is fixedly mounted on the top inner wall and the bottom inner wall of the control box (4), and the limiting hole is slidably connected with the limiting rod (6).

4. A dust-free workshop return air filter unit as claimed in claim 1, characterized in that a transmission mechanism is arranged in the return air duct (1) and is connected to the rotary shaft (14).

5. A dust-free workshop return air filtering device as claimed in claim 4, characterized in that the transmission mechanism comprises a transmission gear (16) and a rack seat (17), the transmission gear (16) is fixedly installed on the rotating shaft (14), the rack seat (17) is fixedly installed on the inner walls of the top and the bottom of the return air pipe (1), and the transmission gear (16) is meshed with the rack seat (17).

6. The dust-free workshop return air filtering device according to claim 1, wherein the inner walls of the front side and the rear side of the return air pipe (1) are respectively provided with a limiting groove, the front side and the rear side of the U-shaped seat (13) are respectively provided with a limiting seat, and the limiting seats are slidably connected with the corresponding limiting grooves.

7. The dust-free workshop return air filtering device according to claim 1, wherein the inner walls of the two sides of the U-shaped seat (13) are provided with rotating grooves, and the rotating shafts (14) are rotatably connected with the corresponding rotating grooves.

8. The dust-free workshop return air filtering device according to claim 1, wherein a guide hole is formed in the inner wall of the top of the return air pipe (1), a sealing ring is fixedly installed in the guide hole, and the hollow pipe (9) is connected with the sealing ring in a sliding and sealing manner.

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