CN114939310B - A clean workshop dust purification treatment device - Google Patents

Abstract

The invention relates to the field of indoor air filtration and purification, in particular to a dust purification treatment device for a clean workshop, which comprises an air inlet pipe which is vertically arranged, and an air outlet pipe which is fixedly arranged at the lower end of the air inlet pipe and is communicated with a fixed pipe, wherein the air outlet pipe is of a double-section design, a filter unit is sleeved between the air outlet pipes at two ends, an air inlet box is fixedly arranged at the upper end of the air inlet pipe, the air inlet box is communicated with the inside of the air inlet pipe, an inner wall cleaning unit for cleaning the inner wall of the air inlet pipe is sleeved in the air inlet pipe, and a filter module for filtering air is arranged in the filter unit.

Description

A clean workshop dust purification treatment device

technical field

The invention relates to the field of indoor air filtration and purification, in particular to a dust purification treatment device for a clean workshop.

Background technique

In the process of scientific experiments and high-tech production such as microelectronics and bioengineering, higher requirements are put forward for the miniaturization, high purity, precision and high quality of product processing, and the amount of fine dust in the processing workshop has become a crucial Important factors, such as photosensitive film, integrated circuits, chemical reagents, precision instruments, and micro-motors, will reduce quality or even be scrapped if they are polluted by dust.

In the process of air filtration, the filter cloth made of polymer material is often used to filter the air, but as time goes by, the filter cloth will become more effective in air filtration due to more and more dust particles. It is getting worse and worse, but in the traditional equipment that uses filter cloth to filter air, it is a cumbersome thing to replace the filter cloth under the condition that the sealing of the equipment remains unchanged.

At the same time, after the traditional equipment closes the air filter equipment, if the equipment is not sealed, the dust in the air filter equipment may re-diffuse into the workshop, thereby affecting the air quality of the workshop.

Therefore, it is necessary to provide a clean workshop dust purification treatment device to solve the above technical problems.

Contents of the invention

In order to solve the above technical problems, the present invention provides a clean room dust purification treatment device that can not only ensure the sealing performance but also conveniently replace the filter cloth and automatically separate the inside of the device from the outside when the device is closed.

The invention provides a dust purification treatment device in a clean workshop, which comprises a vertically placed air inlet pipe and an air outlet pipe fixedly installed at the lower end of the air inlet pipe and communicated with the fixed pipe.

The air outlet pipe is a double-section design, and a filter unit is set between the air outlet pipes at both ends. An air intake box is fixedly installed on the upper end of the air intake pipe, and the air intake box communicates with the inside of the air intake pipe. The inside of the trachea is also set with an inner wall cleaning unit for cleaning the inner wall of the intake pipe.

The filter unit includes an intermediate sleeve, a closed end cap, a push spring rod, a fastening mechanism and a filter module. The two ends of the intermediate sleeve are slidingly sleeved with closed end caps, and the closed end caps are far away from the center of the intermediate sleeve. One end is provided with a circular locking opening, the diameter of the outer wall of the locking opening is the same as that of the air outlet pipe, the closed end cover is fastened on the air outlet pipe through the locking opening, and the sealing The outer end surface of one end of the end cover fastened to the outlet pipe is processed into a slope facing the inside of the closed end cover, and the other end of the closed end cover is uniformly fixed in the circumferential direction with a push spring rod, and the other end of the push spring rod It is fixedly installed on the intermediate sleeve, and the intermediate sleeve is also provided with a fastening mechanism for locking the air outlet pipe and closing the end cap, and a filter module for filtering air is slidably connected in the intermediate sleeve.

Preferably, the fastening mechanism includes a locking gear, a locking screw, a screw orientation plate and an epicyclic force application gear, the locking gears are evenly distributed along the circumference of the middle sleeve, and the locking gears are rotatably mounted on On the middle casing, the middle thread of the locking gear is connected with a locking screw, and the locking screw is uniformly provided with directional grooves in the circumferential direction, and the directional plate is fixedly installed on the middle casing and is connected with the The locking screws are in one-to-one correspondence, and an orientation hole coaxial with the locking screw is opened on the orientation plate, and an orientation block slidingly connected with the orientation groove is fixedly installed on the orientation hole, and the outer side of the locking gear The epicyclic force application gear is meshed, and a positioning plate is fixedly installed on the circumferential direction of the middle sleeve, and the positioning plate is a U-shaped plate, and the positioning plate is in sliding contact with the outer walls on both sides of the epicyclic force application gear.

Preferably, the filter module includes a sliding installation sleeve, a filter cloth placement plate, a pressing plate, a pressing gear, and a rotating gear, and the sliding installation sleeve is slidably connected with the intermediate sleeve along the axial direction of the intermediate sleeve, so that The sliding installation sleeve is provided with a plurality of filter cloth placement grooves running through its middle position along its axial direction, and a plurality of filter cloth placement plates are fixedly installed on the inner wall of the sliding installation sleeve. The cloth placement slots correspond to each other and are located on the same side of the filter cloth placement slots. A pressing plate is provided on the side of the filter cloth placement slot that is not provided with a filter cloth placement plate. The sliding installation sleeve is fixedly installed with a pressing plate One-to-one corresponding axial sliding frame, the pressing plate is slidably connected with the axial sliding frame along the axial direction of the sliding mounting sleeve, and the sliding mounting sleeve is also rotatably connected with a one-to-one corresponding to the pressing plate. shaped compression gear, the inner wall of the compression gear is provided with a traverse groove, the traverse groove is divided into an inclined section and a parallel section, one end of the inclined section is close to the filter cloth placement plate and the other end is placed away from the filter cloth The two ends of the inclined section are connected with a parallel section parallel to the filter cloth placement plate. The pressing plate is fixedly installed with a linkage rod that is slidingly connected with the traversing groove. The lower end of the pressing gear is engaged with the The sliding mounting sleeve is rotatably connected to the rotating gear, and the rotating gear is fixedly connected coaxially through a synchronous rotating shaft, and the synchronizing rotating shaft passes through the sliding mounting sleeve and is fixedly installed with a rotating knob.

Preferably, an annular compression strip with a triangular cross-section is fixedly mounted on the compression plate, and a compression groove corresponding to the compression strip is opened on the filter cloth placing plate.

Preferably, the upper end of the air intake box is provided with a suction plate groove that communicates with the inside of the air intake pipe, and a suction plate that covers the cross section of the suction plate groove is slidably connected to the suction plate groove, and the air intake box is located on the suction plate. The lower end of the groove is provided with an air inlet connected to the inside of the air inlet pipe, and a plurality of air inlet grilles are connected to the air inlet by rotation along the vertical direction, and the upper and lower ends of the air inlet grills are attached to each other. Seal the air inlet, the upper end of the air intake grille is rotatably connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a second connecting rod, and the second connecting rod is connected with the air inlet The side wall of the mouth is slidingly connected in the horizontal direction, and the other ends of all the second connecting rods are fixedly connected with a third connecting rod, and the third connecting rod passes through the lower end wall of the suction plate groove and is fixedly connected with the suction plate , a return spring is fixedly connected between the third connecting rod and the side wall of the air inlet.

Preferably, the inner wall cleaning unit includes an upper sealing plate, a reciprocating screw, a guide rod, a sponge fixing sleeve and a cleaning sponge, the upper sealing plate is fixed on the upper end of the intake pipe by bolts, and the upper sealing plate rotates A reciprocating screw is connected, and the reciprocating screw extends to the inside of the air intake pipe. Two symmetrical and oppositely helical grooves are provided on the reciprocating screw, and the ends of the two thread grooves are smoothly transitioned. The upper sealing plate The lower end is fixedly connected with a plurality of guide rods, and the guide rods are slidably connected with a sponge fixing sleeve along the vertical direction, and a cleaning sponge is clamped on the sponge fixing sleeve, and a reciprocating screw rod is fixedly installed on the sponge fixing sleeve The sliding rod is slidably connected with the threaded groove.

Preferably, the sponge fixing sleeve is divided into an upper sleeve and a lower sleeve, and the upper sleeve and the lower sleeve are threadedly connected.

Compared with related technologies, the clean room dust purification treatment device provided by the present invention has the following beneficial effects.

1. In the present invention, the closed end cover is moved to the middle of the middle casing through the top pressure of the trachea, and then the closed end cover is pushed to a position coaxial with the air outlet pipe. Under the action of the elastic force of the pushing spring rod, the closed end cover The cover moves to both sides of the axial direction of the middle casing, so that the locking opening of the closed end cover and the air outlet pipe are engaged with each other, thus completing the quick disassembly and assembly of the filter unit.

2. In the present invention, by rotating the rotating knob, the rotating knob drives the rotating gear to rotate, and the rotating gear drives the pressing gear to rotate. Under the driving action of the traverse groove, the linkage rod drives the pressing plate to move away from the filter cloth placement plate, so that The filter cloth is out of the compressed state, pull out the filter cloth that needs to be replaced from the filter cloth placement slot, and then install a new filter cloth, then turn the knob in the opposite direction to move the compression plate towards the filter cloth placement plate, Until the pressure plate compresses the filter cloth, and then when the pressure plate compresses the filter cloth, the linkage rod is screwed into the parallel end of the traverse groove, so as to lock the filter cloth, thereby facilitating the filter cloth Quick change.

3. In the present invention, the suction plate drives the third connecting rod to move towards the direction close to the intake pipe, the third connecting rod drives the second connecting rod to slide, and the second connecting rod drives the air intake grille to rotate and open through the first connecting rod, thus Let the air enter the intake pipe, when the device is closed, the air pump will no longer work, and under the rebound action of the return spring, the intake grille will fit together again to seal the intake port, thus realizing the closing The device automatically separates the inside of the device from the outside world.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the overall structure of the present invention.

FIG. 3 is a schematic diagram of a partially enlarged structure at point A in FIG. 2 .

Fig. 4 is a structural schematic diagram of a filter unit in the present invention.

FIG. 5 is a schematic diagram of a partially enlarged structure at B in FIG. 4 .

FIG. 6 is a schematic diagram of a partially enlarged structure at point C in FIG. 5 .

Fig. 7 is a structural schematic diagram of the filtration module in the present invention.

FIG. 8 is a schematic diagram of a partially enlarged structure at D in FIG. 7 .

Fig. 9 is a schematic structural view of the inner wall cleaning unit in the present invention.

Fig. 10 is a schematic structural view of the sponge fixing sleeve in the present invention.

Fig. 11 is a positional diagram of the pressing plate and the filter cloth placing plate in the present invention.

FIG. 12 is a schematic diagram of a partially enlarged structure at E in FIG. 11 .

Labels in the figure: 1, air inlet pipe; 2, air outlet pipe; 3, filter unit; 31, intermediate sleeve; 32, closed end cap; 321, lock stop; 33, push spring rod; 34, fastening mechanism; 341. Locking gear; 342. Locking screw; 3421. Orientation slot; 343. Orientation plate; 3431. Orientation hole; 344. Turnaround gear; 345. Positioning plate; 35. Filter module; 351. Sliding installation sleeve; 3511, filter cloth placement groove; 352, filter cloth placement plate; 3521, compression groove; 353, compression plate; 3531, linkage rod; 3532, compression strip; 354, compression gear; 3541, traverse groove; 355 , rotating gear; 3551, synchronous shaft; 3552, rotating knob; 356, axial sliding frame; 4, air intake box; 41, suction plate slot; 42, suction plate; 43, air inlet; 44, air intake grid Plate; 45, first connecting rod; 46, second connecting rod; 47, third connecting rod; 48, return spring; 5, inner wall cleaning unit; 51, upper sealing plate; 52, reciprocating screw; 521, thread groove; 53, guide rod; 54, sponge fixed cover; 541, slide bar; 542, upper cover; 543, lower cover; 55, cleaning sponge; 56, driving motor.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The specific implementation of the present invention will be described in detail below in conjunction with specific embodiments.

As shown in Figure 1, the present invention provides a clean room dust purification treatment device, including a vertically placed air inlet pipe 1 and an air outlet pipe 2 fixedly installed at the lower end of the air inlet pipe 1 and communicated with the fixed pipe.

As shown in Figures 1 and 2, the air outlet pipe 2 is a double-section design, and a filter unit 3 is set between the air outlet pipes 2 at both ends. The air box 4 communicates with the inside of the air intake pipe 1 , and the inside of the air intake pipe 1 is also equipped with an inner wall cleaning unit 5 for cleaning the inner wall of the air intake pipe 1 .

As shown in Figures 4 and 5, the filter unit 3 includes an intermediate sleeve 31, a closed end cover 32, a push spring rod 33, a fastening mechanism 34 and a filter module 35, and the two ends of the intermediate sleeve 31 are sliding sleeves A closed end cap 32 is provided, and the end of the closed end cap 32 far away from the intermediate sleeve 31 is provided with a circular locking opening 321, the diameter of the outer wall of the locking opening 321 is the same as that of the air outlet pipe 2, The closed end cap 32 is fastened on the air outlet pipe 2 through the locking opening 321, and the outer end surface of one end of the closed end cap 32 fastened to the air outlet pipe 2 is processed as a slope facing the inside of the closed end cap 32 shape, the other end of the closed end cap 32 is uniformly fixed with a push spring rod 33 in the circumferential direction, and the other end of the push spring rod 33 is fixedly mounted on the middle sleeve 31, and the middle sleeve 31 is also fixed A fastening mechanism 34 for locking the air outlet pipe 2 and a closed end cover 32 is provided, and a filter module 35 for filtering air is slidably connected in the middle sleeve 31 .

It should be noted that the external air pump is connected to the air outlet pipe 2, the air enters the air inlet pipe 1 from the air intake box 4, and then the air enters the air outlet pipe 2, and then enters the filter unit 3, the hollow body The dust in the air is absorbed by the filter unit 3, and then the external air pump discharges the filtered air into the workshop, thereby completing the air filtration. During this process, the inner wall cleaning unit 5 can clean the inner wall of the intake pipe 1. Clean up.

As the filtering time progresses, the efficiency of the filter cloth in the filter module 35 is getting worse, so the filter cloth in the filter module 35 needs to be replaced, and the filter module 35 needs to be disassembled. The closed end cap 32 is pushed in the middle of the middle casing 31 to separate the locking opening 321 from the air outlet pipe 2, and the filter unit 3 is removed from between the air outlet pipe 2, and then the filter module 35 is removed from the middle casing 31 After the replacement of the filter cloth in the filter module 35 is completed, the filter module 35 is re-slid into the middle casing 31, and when the filter unit 3 is fastened to the intake pipe 1, the lower part of the port is first closed. Under the top pressure of the air outlet pipe 2, the closed end cap 32 is moved to the middle of the middle sleeve 31, and then the closed end cap 32 is pushed to a position coaxial with the air outlet pipe 2, under the elastic force of the push spring rod 33 , the closed end cover 32 moves to both sides of the axial direction of the middle casing 31, so that the lock stop 321 of the closed end cover 32 and the outlet pipe 2 are interlocked, so that the quick disassembly of the filter unit 3 is completed.

As shown in FIGS. 5 and 6 , the fastening mechanism 34 includes a locking gear 341 , a locking screw 342 , a screw orientation plate 343 and an epicyclic force applying gear 344 . Evenly distributed in the direction, and the locking gear 341 is rotated and installed on the middle sleeve 31, the locking screw 342 is threaded in the middle of the locking gear 341, and the locking screw 342 is uniformly provided with directional grooves in the circumferential direction 3421, the orientation plate 343 is fixedly installed on the intermediate sleeve 31 and corresponds to the locking screw 342 one by one, and the orientation plate 343 is provided with an orientation hole 3431 coaxial with the locking screw 342 An orientation block slidingly connected to the orientation groove 3421 is fixedly installed on the orientation hole 3431, a revolving force applying gear 344 is engaged on the outer side of the locking gear 341, and a positioning plate is fixedly installed on the upper circumference of the intermediate sleeve 31 345 , the positioning plate 345 is a U-shaped plate, and the positioning plate 345 is in sliding contact with the outer walls on both sides of the epicyclic force applying gear 344 .

It should be noted that, in order to further improve the sealing between the filter unit 3 and the intake pipe 1 so as to ensure a proper filtering effect, the above-mentioned function is realized by the fastening mechanism 34, and the locking gear 341 is rotated by rotating the epicyclic force applying gear 344 , the locking gear 341 rotates and the locking screw 342 thread slides, and at the same time moves towards the closed end cover 32 under the constraint of the orientation plate 343 until the locking screw 342 is pressed against the closed end cover 32, and the two sides of the middle sleeve 31 Under the combined action of the locking screw 342 , the locking opening 321 on the closed end cover 32 is fully pressed against the intake pipe 1 so as to improve the sealability between the filter unit 3 and the intake pipe 1 .

As shown in Figures 7 and 8, the filter module 35 includes a sliding installation sleeve 351, a filter cloth placement plate 352, a pressing plate 353, a pressing gear 354, and a rotating gear 355. 31 is slidably connected to the middle sleeve 31 in the axial direction, and the sliding installation sleeve 351 is provided with a plurality of filter cloth placing grooves 3511 passing through its middle position along the axial direction, and the inner wall of the sliding installation sleeve 351 is fixedly installed There are a plurality of filter cloth placement plates 352, the filter cloth placement plates 352 correspond to the filter cloth placement slots 3511 one by one and are located on the same side of the filter cloth placement slots 3511, and the filter cloth placement slots 3511 are not provided with filter cloth placement One side of the plate 352 is provided with a pressing plate 353, and the sliding mounting sleeve 351 is fixedly equipped with an axial sliding frame 356 corresponding to the pressing plate 353 one by one, and the pressing plate 353 is arranged along the axis of the sliding mounting sleeve 351. Slidingly connected to the axial sliding frame 356, the sliding mounting sleeve 351 is also rotatably connected with a through-shaped pressing gear 354 in the middle corresponding to the pressing plate 353, and the inner wall of the pressing gear 354 is set There is a traversing groove 3541, the traversing groove 3541 is divided into an inclined section and a parallel section, one end of the inclined section is close to the filter cloth placing plate 352 and the other end is far away from the filter cloth placing plate 352, the two ends of the inclined section are connected with The parallel section parallel to the filter cloth placement plate 352, the pressing plate 353 is fixedly mounted with a linkage rod 3531 slidingly connected to the traverse groove 3541, and the lower end of the pressing gear 354 is meshed with a sliding mounting sleeve 351 that is rotationally connected The rotating gear 355 is coaxially fixedly connected to the rotating gear 355 through a synchronous rotating shaft 3551, and the synchronizing rotating shaft 3551 passes through the sliding installation sleeve 351 and is fixedly mounted with a rotating knob 3552.

As shown in Fig. 11 and Fig. 12, an annular compression strip 3532 with a triangular cross-section is fixedly installed on the compression plate 353, and a corresponding compression strip 3532 is provided on the filter cloth placement plate 352. Press the groove 3521.

It should be noted that during the filter cloth replacement process of the filter module 35, the rotating knob 3552 is rotated, the rotating knob drives the rotating gear 355 to rotate, and the rotating gear 355 drives the pressing gear 354 to rotate. Driven by the traverse groove 3541, the linkage The rod 3531 drives the pressing plate 353 to move away from the filter cloth placement plate 352, so that the filter cloth is out of the compressed state, and the filter cloth that needs to be replaced is pulled out from the filter cloth placement groove 3511 and then put into a new filter cloth. Then rotate the knob 3552 in the opposite direction to move the pressing plate 353 towards the direction of the filter cloth placement plate 352 until the pressing plate 353 presses the filter cloth, and when the pressing plate 353 presses the filter cloth, the linkage rod 3531 It is screwed into the parallel end of the traversing groove 3541, so as to lock the filter cloth.

At the same time, the compression strip 3532 and the compression groove 3521 lock the filter cloth, which effectively improves the locking effect of the filter cloth, thereby preventing the filter cloth from being easily detached.

As shown in Fig. 2 and Fig. 3, the upper end of the air intake box 4 is provided with a suction plate groove 41 communicating with the inside of the air intake pipe 1, and the suction plate groove 41 is slidably connected with a receiving plate that covers the cross section of the suction plate groove 41. The suction plate 42, the air intake box 4 is located at the lower end of the suction plate groove 41 and is provided with an air intake 43 communicating with the inside of the air intake pipe 1, and a plurality of air intake grids are connected to the air intake 43 in a vertical direction Plate 44, the upper and lower ends of the air intake grille 44 fit together to seal the air inlet 43, the upper end of the air intake grille 44 is rotatably connected with a first connecting rod 45, the first The other end of the connecting rod 45 is rotatably connected with a second connecting rod 46, and the second connecting rod 46 is slidably connected with the side wall of the air inlet 43 in the horizontal direction, and the other ends of all the second connecting rods 46 are fixedly connected with the first Three connecting rods 47, the third connecting rod 47 passes through the lower end wall of the suction plate groove 41 and is fixedly connected with the suction plate 42, and the third connecting rod 47 is connected with the side wall of the air inlet 43 A return spring 48 is fixedly connected therebetween.

In order to automatically separate the inside of the device from the outside when the device is closed, the air intake box 4 is used to complete the above functions. The three connecting rods 47 move towards the direction close to the intake pipe 1, the third connecting rod 47 drives the second connecting rod 46 to slide, and the second connecting rod 46 drives the air intake grille 44 to rotate and open through the first connecting rod 45, so that the air enters In the air intake pipe 1, when the device is closed, the air pump will no longer work, and under the rebound action of the return spring 48, the air intake grille 44 will be attached to each other again to seal the air intake 43, thereby achieving When the device is closed, the inside of the device is automatically separated from the outside world.

As shown in Figures 9 and 10, the inner wall cleaning unit 5 includes an upper sealing plate 51, a reciprocating screw 52, a guide rod 53, a sponge fixing sleeve 54 and a cleaning sponge 55, and the upper sealing plate 51 is fixed and installed on the inner wall by bolts. The upper end of the air intake pipe 1, the upper sealing plate 51 is rotatably connected with a reciprocating screw 52, the reciprocating screw 52 stretches to the inside of the air intake pipe 1, and two symmetrical and opposite rotations are arranged on the reciprocating screw 52 threaded grooves 521, and the ends of the two threaded grooves 521 are smoothly transitioned, the lower end of the upper sealing plate 51 is fixedly connected with a plurality of guide rods 53, and the guide rods 53 are slidably connected with a sponge fixing sleeve 54 along the vertical direction, A cleaning sponge 55 is clamped on the sponge fixing sleeve 54, and a sliding rod 541 extending toward the reciprocating screw rod 52 is fixedly installed on the sponge fixing sleeve 54, and the sliding rod 541 is slidably connected with the thread groove 521. The sponge fixing sleeve 54 is divided into an upper sleeve 542 and a lower sleeve 543, and the upper sleeve 542 and the lower sleeve 543 are threaded.

It should be noted that when the inner wall cleaning unit 5 cleans the inner wall of the intake pipe 1, the motor drives the reciprocating screw 52 to rotate, and the thread groove 521 on the reciprocating screw 52 drives the sponge fixing sleeve 54 along the vertical direction through the sliding rod 541. Direction is reciprocated, and guide bar 53 plays the effect of guiding to sponge fixed sleeve 54, and can conveniently replace cleaning sponge 55 by threaded connection between sponge fixed sleeve 54 upper cover 542 and lower cover 543.

The working process of the present invention is that the air pump of the peripheral equipment is connected with the air outlet pipe 2, the air enters the air inlet pipe 1 from the air intake box 4, and then the air enters the air outlet pipe 2, and then enters the filter unit 3, The fine dust in the hollow body is absorbed by the filter unit 3, and then the external air pump discharges the filtered air into the workshop, so as to complete the air filtration, and at the same time, the filter unit 3 and the filter cloth in it need to be replaced At this time, the closed end cap 32 is moved to the middle of the middle casing 31 through the top pressure of the air pipe 2, and then the closed end cap 32 is pushed to a position coaxial with the air outlet pipe 2, and the elastic force of the spring rod 33 is pushed Next, the closed end cover 32 moves to both sides of the axial direction of the middle casing 31, so that the lock stop 321 of the closed end cover 32 and the air outlet pipe 2 are engaged with each other, so that the quick disassembly and assembly of the filter unit 3 is completed. By rotating the rotating knob 3552, the rotating knob drives the rotating gear 355 to rotate, and the rotating gear 355 drives the pressing gear 354 to rotate. Driven by the traverse groove 3541, the linkage rod 3531 drives the pressing plate 353 to move away from the filter cloth placement plate 352. direction to move the filter cloth out of the compressed state, pull out the filter cloth that needs to be replaced from the filter cloth placement groove 3511 and then load a new filter cloth, then reversely rotate the rotary knob 3552 to make the pressing plate 353 Move to the direction of the filter cloth placing plate 352 until the pressing plate 353 compresses the filter cloth, and when the pressing plate 353 compresses the filter cloth, the linkage rod 3531 is screwed into the parallel end of the traverse groove 3541, thereby The cloth produces a locking effect, which helps to quickly replace the filter cloth. When filtering air, the third connecting rod 47 is driven by the suction plate 42 to move toward the direction close to the intake pipe 1, and the third connecting rod 47 drives the third connecting rod 47 to move toward the intake pipe 1. Two connecting rods 46 slide, and the second connecting rod 46 drives the air intake grille 44 to rotate and open through the first connecting rod 45, so that the air enters the air intake pipe 1. When the device is closed, the air pump will no longer work. Under the rebound action of the back-moving spring 48, the air intake grille 44 is attached to each other again so as to seal the air intake 43, thereby automatically separating the inside of the device from the outside when the device is closed.

The circuits and controls involved in the present invention are all prior art, and will not be repeated here.

The above are only examples of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields, All are included in the scope of patent protection of the present invention in the same way.

Claims (7)

1. A dust purification treatment device for a clean workshop, comprising a vertically placed air inlet pipe (1) and an air outlet pipe (2) fixedly installed at the lower end of the air inlet pipe (1) and connected to the fixed pipe; It is characterized in that the air outlet pipe (2) is a double-section design, a filter unit (3) is set between the air outlet pipes (2) at both ends, and an air inlet box (4) is fixedly installed on the upper end of the air inlet pipe (1) ), the air intake box (4) communicates with the interior of the air intake pipe (1), and the interior of the air intake pipe (1) is also equipped with an inner wall cleaning unit (5) for cleaning the inner wall of the air intake pipe (1); The filter unit (3) includes an intermediate sleeve (31), a closed end cap (32), a push spring rod (33), a fastening mechanism (34) and a filter module (35), the intermediate sleeve (31) The two ends of the sliding sleeve are provided with closed end caps (32), and the end of the closed end cap (32) away from the middle sleeve (31) is provided with a circular lock stop (321), and the lock stop (321) The diameter of the outer wall is the same as the diameter of the air outlet pipe (2), the closed end cap (32) is fastened on the air outlet pipe (2) through the lock and stop (321), and the closed end cap (32) The outer end surface of one end of the air outlet pipe (2) is fastened to be processed into a bevel shape facing the inside of the closed end cover (32), and the other end of the closed end cover (32) is uniformly fixed and installed with a push spring in the circumferential direction Rod (33), the other end of the pushing spring rod (33) is fixedly installed on the middle sleeve (31), and the middle sleeve (31) is also provided with locking outlet pipe (2) and A fastening mechanism (34) for closing the end cover (32), and a filter module (35) for filtering air is slidably connected in the middle sleeve (31). 2. A clean workshop dust purification treatment device according to claim 1, characterized in that the fastening mechanism (34) includes a locking gear (341), a locking screw (342), a screw orientation plate (343 ) and the epicyclic force application gear (344), the locking gear (341) is evenly distributed along the circumference of the intermediate sleeve (31), and the locking gear (341) is rotatably installed on the intermediate sleeve (31 ), the middle of the locking gear (341) is threadedly connected with a locking screw (342), and the locking screw (342) is uniformly provided with an orientation groove (3421) in the circumferential direction, and the orientation plate (343) is fixedly installed On the middle sleeve (31) and in one-to-one correspondence with the locking screw (342), the orientation plate (343) is provided with an orientation hole (3431) coaxial with the locking screw (342) ), the orienting hole (3431) is fixedly installed with an orienting block slidingly connected with the orienting groove (3421), the outer side of the locking gear (341) is meshed with an epicyclic force applying gear (344), and the middle sleeve (31) A positioning plate (345) is fixedly installed in the circumferential direction, the positioning plate (345) is a U-shaped plate, and the positioning plate (345) slides with the outer walls of both sides of the epicyclic force applying gear (344) touch. 3. A clean workshop dust purification treatment device according to claim 1 or 2, characterized in that the filter module (35) includes a sliding installation sleeve (351), a filter cloth placement plate (352), a pressing plate (353), pressing gear (354), rotating gear (355), the sliding installation sleeve (351) is slidingly connected with the intermediate sleeve (31) along the axial direction of the intermediate sleeve (31), and the sliding The installation sleeve (351) is provided with a plurality of filter cloth placement grooves (3511) running through its middle position along its axial direction, and the inner wall of the sliding installation sleeve (351) is fixedly installed with a plurality of filter cloth placement plates (352), The filter cloth placement plate (352) corresponds to the filter cloth placement slot (3511) one by one and is located on the same side of the filter cloth placement slot (3511), and the filter cloth placement slot (3511) is not provided with a filter cloth placement plate One side of (352) is provided with a pressing plate (353), and an axial sliding frame (356) corresponding to the pressing plate (353) is fixedly installed on the sliding installation sleeve (351). The plate (353) is slidably connected with the axial sliding frame (356) along the axial direction of the sliding installation sleeve (351), and the sliding installation sleeve (351) is also rotatably connected with the middle part corresponding to the pressing plate (353). It is a through-shaped pressing gear (354). The inner wall of the pressing gear (354) is provided with a traverse groove (3541). The traverse groove (3541) is divided into an inclined section and a parallel section. The inclined One end of the section is close to the filter cloth placement plate (352) and the other end is away from the filter cloth placement plate (352). The two ends of the inclined section are connected with parallel sections parallel to the filter cloth placement plate (352). The pressing plate ( 353) is fixedly installed with a linkage rod (3531) slidingly connected to the traverse groove (3541), and the lower end of the pressing gear (354) is meshed with a rotating gear (355) rotatingly connected to the sliding installation sleeve (351), The rotating gear (355) is coaxially fixedly connected through a synchronous shaft (3551), and the synchronous shaft (3551) passes through a sliding installation sleeve (351) and is fixedly installed with a rotating knob (3552). 4. A clean workshop dust purification treatment device according to claim 3, characterized in that, the compression plate (353) is fixedly installed with a ring-shaped compression strip (3532) with a triangular cross-section, the A compression groove (3521) corresponding to the compression strip (3532) is provided on the filter cloth placement plate (352). 5. A clean workshop dust purification treatment device according to claim 1, characterized in that, the upper end of the air intake box (4) is provided with a suction plate groove (41) communicating with the inside of the air intake pipe (1), so that A suction plate (42) covering the cross section of the suction plate groove (41) is slidably connected to the suction plate groove (41), and the air inlet box (4) is located at the lower end of the suction plate groove (41). The air inlet (43) connected inside the trachea (1), the air inlet (43) is connected with a plurality of air inlet grilles (44) rotating in the vertical direction, the air inlet grilles (44) The upper and lower ends fit together to seal the air inlet (43), and the upper end of the air inlet grille (44) is rotatably connected with a first connecting rod (45), and the first connecting rod (45) The other end is rotatably connected with a second connecting rod (46), and the second connecting rod (46) is slidably connected with the side wall of the air inlet (43) in the horizontal direction. The other ends of all the second connecting rods (46) One end is fixedly connected with a third connecting rod (47), and the third connecting rod (47) passes through the lower end wall of the suction plate groove (41) and is fixedly connected with the suction plate (42). A return spring (48) is fixedly connected between the connecting rod (47) and the side wall of the air inlet (43). 6. A clean workshop dust purification treatment device according to claim 1, characterized in that the inner wall cleaning unit (5) includes an upper sealing plate (51), a reciprocating screw (52), a guide rod (53), Sponge fixing sleeve (54), cleaning sponge (55) and driving motor (56), the upper sealing plate (51) is fixed and installed on the upper end of the air intake pipe (1) by bolts, the upper sealing plate (51) The upper rotation is connected with a reciprocating screw (52), and the reciprocating screw (52) extends to the inside of the intake pipe (1), and the reciprocating screw (52) is provided with two symmetrical thread grooves (521) in opposite directions. , and the ends of the two threaded grooves (521) are smooth, the lower end of the upper sealing plate (51) is fixedly connected with a plurality of guide rods (53), and the guide rods (53) are slidably connected with a The sponge fixing sleeve (54), the cleaning sponge (55) is clamped on the sponge fixing sleeve (54), and the sliding rod (541) extending toward the reciprocating screw rod (52) is fixedly installed on the sponge fixing sleeve (54) , the sliding rod (541) is slidingly connected with the threaded groove (521), the driving motor (56) is fixedly installed on the upper end of the upper sealing plate (51), and the output shaft of the driving motor (56) is connected to the The reciprocating screw (52) is fixedly connected coaxially. 7. A clean workshop dust purification treatment device according to claim 6, characterized in that the sponge fixing sleeve (54) is divided into an upper sleeve (542) and a lower sleeve (543), and the upper sleeve (542 ) and the threaded connection between the lower sleeve (543).

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