CN114939310A

CN114939310A - Clean workshop dust purification processing apparatus

Info

Publication number: CN114939310A
Application number: CN202210547707.9A
Authority: CN
Inventors: 陈盛强
Original assignee: Shanghai Guangsi Micro Purification Equipment Co ltd
Current assignee: Shanghai Guangsi Micro Purification Equipment Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-26
Anticipated expiration: 2042-05-18
Also published as: CN114939310B

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 and an air outlet pipe, wherein the air inlet pipe is vertically arranged, the air outlet pipe is fixedly arranged at the lower end of the air inlet pipe and is communicated with a fixed pipe, the air outlet pipe is in a two-section design, a filtering 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 further sleeved inside the air inlet pipe, and a filtering module for filtering air is arranged in the filtering unit.

Description

Dust purification treatment device for clean workshop

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

In the process of scientific experiments and high-tech production of microelectronics, bioengineering and the like, higher requirements are made on the miniaturization, high purity, precision and high quality of product processing, and the quantity of fine dust becomes a crucial factor in processing workshops, for example, in products such as photosensitive films, integrated circuits, chemical reagents, precision instruments, micro motors and the like, if the products are polluted by dust, the quality is reduced and even the products are scrapped.

The air is often filtered by the filter cloth made of high polymer materials in the air filtering process, but as time goes on, the filter cloth is less and less effective in air filtering due to more and more dust particles, but in the traditional equipment for air filtering by adopting the filter cloth, the filter cloth is a tedious matter to be replaced under the condition of ensuring the sealing performance of the equipment to be unchanged.

Meanwhile, after the air filtering equipment is closed by the conventional equipment, if the equipment is not closed, dust in the air filtering equipment can be diffused into a workshop again, so that the air quality of the workshop is influenced.

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

Disclosure of Invention

In order to solve the technical problems, the invention provides a dust purification treatment device for a clean workshop, which can ensure the sealing performance, simultaneously conveniently replace filter cloth, and automatically separate the interior of the device from the outside when the device is closed.

The invention provides a dust purification treatment device for a clean workshop, which comprises an air inlet pipe and an air outlet pipe, wherein the air inlet pipe is vertically arranged, and the air outlet pipe is fixedly arranged at the lower end of the air inlet pipe and is communicated with a fixed pipe;

the air outlet pipe is in a double-section design, a filtering unit is sleeved between the air outlet pipes at two ends, an air inlet box is fixedly installed at the upper end of the air inlet pipe and communicated with the inside of the air inlet pipe, and an inner wall cleaning unit for cleaning the inner wall of the air inlet pipe is sleeved in the air inlet pipe;

the filtering unit comprises a middle sleeve, a closed end cover, a pushing spring rod, a fastening mechanism and a filtering module, two ends of the middle sleeve are slidably sleeved with closed end covers, one ends of the closed end covers, far away from the middle sleeve, are provided with circular lock catch rabbets, the diameter of the outer wall of the lock catch spigot is the same as that of the air outlet pipe, the closed end cover is buckled on the air outlet pipe through the lock catch spigot, the outer end surface of one end of the closed end cover, which is buckled with the air outlet pipe, is processed into an inclined plane shape facing the inside of the closed end cover, the other end of the closed end cover is uniformly and fixedly provided with pushing spring rods in the circumferential direction, the other end of each pushing spring rod is fixedly arranged on the middle sleeve, the middle sleeve is also provided with a fastening mechanism for locking the air outlet pipe and the closed end cover, and the middle sleeve is connected with a filtering module for filtering air in a sliding manner.

Preferably, the fastening mechanism comprises a locking gear, a locking screw, a screw orienting plate and an epicyclic force application gear, the locking gear is uniformly distributed along the circumferential direction of the middle sleeve, the locking gear is rotatably erected on the middle sleeve, the middle of the locking gear is in threaded connection with a locking screw rod, the locking screw rods are uniformly provided with directional grooves in the circumferential direction, the directional plates are fixedly arranged on the middle sleeve and correspond to the locking screw rods one by one, the directional plate is provided with a directional hole coaxial with the locking screw rod, a directional block slidably connected with the directional groove is fixedly arranged on the directional hole, an epicyclic force application gear is engaged with the outer side of the locking gear, a positioning plate is fixedly arranged on the middle sleeve in the circumferential direction, the locating plate is a U-shaped plate, and the locating plate is in sliding contact with the outer walls of the two sides of the turnover force application gear.

Preferably, the filtering module comprises a sliding installation sleeve, a filter cloth placing plate, a pressing gear and a rotating gear, the sliding installation sleeve is in sliding connection with the middle sleeve along the axial direction of the middle sleeve, the sliding installation sleeve is provided with a plurality of filter cloth placing grooves penetrating through the upper part of the middle position along the axial direction of the sliding installation sleeve, the inner wall of the sliding installation sleeve is fixedly provided with a plurality of filter cloth placing plates, the filter cloth placing plates are in one-to-one correspondence with the filter cloth placing grooves and are positioned at the same side of the filter cloth placing grooves, the side of the filter cloth placing grooves not provided with the filter cloth placing plates is provided with the pressing plate, the sliding installation sleeve is fixedly provided with an axial sliding frame in one-to-one correspondence with the pressing plate, the pressing plate is in sliding connection with the axial sliding frame along the axial direction of the sliding installation sleeve, the sliding installation sleeve is also rotationally connected with the pressing gear which is through in the middle part in one-to-one correspondence with the pressing plate, the utility model discloses a sliding installation cover, including pressure gear, sideslip groove, filter cloth, oblique section, linkage rod, sliding installation cover, synchronous pivot, sideslip groove has been seted up on pressure gear's the inner wall, the sideslip groove divide into tip end and parallel section, tip section one end is close to the filter cloth and places the board and the other end is kept away from the filter cloth and places the board, the parallel section parallel with the board is placed to the filter cloth has been link up at the both ends of tip section, fixed mounting has the gangbar with sideslip groove sliding connection on the pressure plate, pressure gear's lower extreme meshing has the rotating gear who rotates to be connected with the sliding installation cover, rotating gear passes the coaxial fixed connection of synchronous pivot, synchronous pivot is passed sliding installation cover fixed mounting and is rotated the knob.

Preferably, the pressing plate is fixedly provided with a circular pressing strip with a triangular cross section, and the filter cloth placing plate is provided with a pressing groove corresponding to the pressing strip.

Preferably, the upper end of the air inlet box is provided with a suction plate groove communicated with the inside of the air inlet pipe, a suction plate covering the cross section of the suction plate groove is connected in the suction plate groove in a sliding way, the lower end of the air inlet box, which is positioned at the suction plate groove, is provided with an air inlet communicated with the inside of the air inlet pipe, a plurality of air inlet grid plates are rotatably connected in the air inlet along the vertical direction, the upper end and the lower end of the air inlet grid plate are mutually attached to each other to seal the air inlet, the upper end of the air inlet grid plate is rotatably connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a second connecting rod, the second connecting rod is connected with the side wall of the air inlet in a sliding way along the horizontal direction, the other ends of all the second connecting rods are fixedly connected with a third connecting rod, the third connecting rod penetrates through the lower end wall of the suction plate groove and is fixedly connected with the suction plate, and a return spring is fixedly connected between the third connecting rod and the side wall of the air inlet.

Preferably, the clean unit of inner wall includes shrouding, reciprocal screw rod, guide bar, the fixed cover of sponge and clean sponge, it passes through bolt fixed mounting to go up the shrouding in the upper end of intake pipe, it is connected with reciprocal screw rod to rotate on the shrouding to go up, reciprocal screw rod stretches to the inside of intake pipe, set up two symmetries on the reciprocal screw rod and revolve to opposite thread groove to the terminal level and smooth transition of two thread grooves, a plurality of guide bars of lower extreme fixedly connected with of going up the shrouding, sliding connection has the fixed cover of sponge on the vertical direction is followed to the guide bar, the clamp has clean sponge on the sponge fixed cover, fixed mounting has the slide bar that stretches to reciprocal screw rod on the sponge fixed cover, the slide bar with thread groove sliding connection.

Preferably, the sponge fixing sleeve is divided into an upper sleeve and a lower sleeve which are in threaded connection.

Compared with the related art, the dust purification treatment device for the clean workshop provided by the invention has the following beneficial effects:

1. the invention makes the closed end cover move to the middle of the middle sleeve by the jacking of the air pipe, then the closed end cover is pushed to the position coaxial with the air outlet pipe, and under the action of the elastic force of the pushing spring rod, the closed end cover moves to the two axial sides of the middle sleeve, so that the lock catch spigot of the closed end cover is buckled with the air outlet pipe, thus completing the quick assembly and disassembly of the filter unit.

2. According to the filter cloth replacing device, the rotary knob is rotated to drive the rotary gear to rotate, the rotary gear drives the compression gear to rotate, the linkage rod drives the compression plate to move towards the direction far away from the filter cloth placing plate under the driving action of the transverse moving groove, so that the filter cloth is separated from the compressed state, the filter cloth to be replaced is drawn out from the filter cloth placing groove and then a new filter cloth is loaded, then the rotary knob is rotated reversely, so that the compression plate moves towards the filter cloth placing plate until the compression plate compresses the filter cloth, and the linkage rod is screwed into the parallel end of the transverse moving groove when the compression plate compresses the filter cloth, so that the locking effect is generated on the filter cloth, and the quick replacement of the filter cloth is facilitated.

3. According to the invention, the suction plate drives the third connecting rod to move towards the direction close to the air inlet pipe, the third connecting rod drives the second connecting rod to slide, the second connecting rod drives the air inlet grid plate to rotate and open through the first connecting rod, so that air enters the air inlet pipe, when the device is closed, the air suction pump does not work any more, and under the rebound action of the return spring, the air inlet grid plates are attached to each other again so as to seal the air inlet, so that the inside of the device is automatically separated from the outside when the device is closed.

Drawings

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

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

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of the structure of the filter unit of the present invention.

Fig. 5 is a partially enlarged structural view at B in fig. 4.

Fig. 6 is a partially enlarged structural view at C in fig. 5.

Fig. 7 is a schematic view of the structure of the filtration module of the present invention.

Fig. 8 is a partially enlarged structural view at D in fig. 7.

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

Fig. 10 is a schematic view showing the structure of the sponge fixing pouch according to the present invention.

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

Fig. 12 is a partially enlarged schematic view of a structure at E in fig. 11.

Reference numbers in the figures: 1. an air inlet pipe; 2. an air outlet pipe; 3. a filtration unit; 31. an intermediate sleeve; 32. closing the end cap; 321. locking and buckling a spigot; 33. pushing the spring rod; 34. a fastening mechanism; 341. a locking gear; 342. locking the screw rod; 3421. an orientation groove; 343. an orientation plate; 3431. a directional hole; 344. an epicyclic force application gear; 345. positioning a plate; 35. a filtration module; 351. a sliding mounting sleeve; 3511. a filter cloth placing groove; 352. a filter cloth placing plate; 3521. a compaction groove; 353. a compression plate; 3531. a linkage rod; 3532. compressing the strips; 354. a pressing gear; 3541. a transverse moving groove; 355. a rotating gear; 3551. a synchronous rotating shaft; 3552. rotating the knob; 356. an axial sliding frame; 4. an air intake box; 41. a plate suction groove; 42. a suction plate; 43. an air inlet; 44. an air inlet grid plate; 45. a first connecting rod; 46. a second connecting rod; 47. a third connecting rod; 48. a return spring; 5. an inner wall cleaning unit; 51. an upper sealing plate; 52. a reciprocating screw; 521. a thread groove; 53. a guide bar; 54. a sponge fixing sleeve; 541. a slide bar; 542. sleeving; 543. sleeving; 55. cleaning the sponge; 56. the motor is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, the invention provides a dust purification treatment device for a clean workshop, which comprises an air inlet pipe 1 vertically arranged and an air outlet pipe 2 fixedly arranged at the lower end of the air inlet pipe 1 and communicated with a fixed pipe;

as shown in fig. 1 and 2, the air outlet pipe 2 is of a double-section design, a filtering unit 3 is sleeved between the air outlet pipes 2 at two ends, an air inlet box 4 is fixedly installed at the upper end of the air inlet pipe 1, the air inlet box 4 is communicated with the inside of the air inlet pipe 1, and an inner wall cleaning unit 5 for cleaning the inner wall of the air inlet pipe 1 is further sleeved inside the air inlet pipe 1;

as shown in fig. 4 and 5, the filtering unit 3 includes an intermediate sleeve 31, a closed end cap 32, a pushing spring rod 33, a fastening mechanism 34 and a filtering module 35, the closed end cap 32 is slidably sleeved at both ends of the intermediate sleeve 31, a circular locking spigot 321 is opened at one end of the closed end cap 32 far from the intermediate sleeve 31, the diameter of the outer wall of the locking spigot 321 is the same as that of the outlet pipe 2, the closed end cap 32 is locked on the outlet pipe 2 through the locking spigot 321, the outer end surface of one end of the closed end cap 32 locked on the outlet pipe 2 is processed into an inclined plane shape facing the inside of the closed end cap 32, the pushing spring rod 33 is uniformly and fixedly installed at the other end of the closed end cap 32 in the circumferential direction, the other end of the pushing spring rod 33 is fixedly installed on the intermediate sleeve 31, the intermediate sleeve 31 is further provided with the fastening mechanism 34 for locking the outlet pipe 2 and the closed end cap 32, a filter module 35 for filtering air is slidably connected to the intermediate sleeve 31.

It should be noted that, the air suction pump is connected with the air outlet pipe 2 through the external air suction pump, the air enters the air inlet pipe 1 from the air inlet box 4, then the air enters the air outlet pipe 2 and then enters the filtering unit 3, the micro dust in the hollow body is absorbed by the filtering unit 3, and then the air after being filtered is discharged into a workshop through the external air suction pump, so that the air is filtered, and the inner wall cleaning unit 5 can clean the inner wall of the air inlet pipe 1 in the process.

As the filtering time goes on, the efficiency of the filter cloth in the filtering module 35 is worse and worse, so the filter cloth in the filtering module 35 needs to be replaced, the filtering module 35 needs to be disassembled, in the process of disassembling, the middle part of the middle sleeve 31 in the phase of the closed end cover 32 is pushed, the latch rabbet 321 is separated from the air outlet pipe 2, the filtering unit 3 is moved out from between the air outlet pipe 2, then the filtering module 35 is drawn out from the middle sleeve 31, after the replacement of the filter cloth in the filtering module 35 is completed, the filtering module 35 is slid into the middle sleeve 31 again, when the filtering unit 3 is buckled on the air inlet pipe 1, firstly the closed end cover 32 moves to the middle part of the middle sleeve 31 under the jacking of the air outlet pipe 2 under the closed end, then the closed end cover 32 is pushed to the position coaxial with the air outlet pipe 2, under the action of the elastic force of the pushing spring rod 33, the closed end cap 32 moves to both axial sides of the middle sleeve 31, so that the locking spigot 321 of the closed end cap 32 and the outlet pipe 2 are buckled with each other, and thus the rapid disassembly and assembly of the filter unit 3 are completed.

As shown in fig. 5 and 6, the fastening mechanism 34 includes locking gears 341, locking screws 342, screw rod orientation plates 343 and revolving force application gears 344, the locking gears 341 are uniformly distributed along the circumference of the middle sleeve 31, the locking gears 341 are rotatably mounted on the middle sleeve 31, the locking screws 342 are threadedly connected to the middle of the locking gears 341, orientation grooves 3421 are uniformly formed in the circumference of the locking screws 342, the orientation plates 343 are fixedly mounted on the middle sleeve 31 and correspond to the locking screws 342 one by one, orientation holes 3431 coaxial with the locking screws 342 are formed in the orientation plates 343, orientation blocks slidably connected to the orientation grooves 3421 are fixedly mounted on the orientation holes 3431, the revolving force application gears 344 are engaged with the outside of the locking gears 341, a positioning plate 345 is fixedly mounted on the middle sleeve 31 in the circumference, the positioning plate 345 is a U-shaped plate, the positioning plate 345 is in sliding contact with the outer walls of both sides of the epicyclic apply gear 344.

It should be noted that, in order to further improve the sealing performance between the filter unit 3 and the air inlet pipe 1 and thus ensure a good filtering effect, the fastening mechanism 34 is used to achieve the above function, the locking gear 341 is rotated by rotating the revolving force application gear 344, the locking gear 341 is rotated to slide with the locking screw 342 in a threaded manner, and simultaneously, the locking gear 341 is moved toward the end cap 32 under the constraint action of the orientation plate 343 until the locking screw 342 abuts against the end cap 32, and the locking spigot 321 on the end cap 32 and the air inlet pipe 1 are sufficiently abutted under the combined action of the locking screws 342 on both sides of the middle sleeve 31, so as to improve the sealing performance between the filter unit 3 and the air inlet pipe 1.

As shown in fig. 7 and 8, the filter module 35 includes a sliding installation sleeve 351, a filter cloth placing plate 352, a pressing plate 353, a pressing gear 354 and a rotating gear 355, the sliding installation sleeve 351 is slidably connected with the middle sleeve 31 along the axial direction of the middle sleeve 31, the sliding installation sleeve 351 is axially provided with a plurality of filter cloth placing grooves 3511 penetrating above the middle position of the sliding installation sleeve, the inner wall of the sliding installation sleeve 351 is fixedly provided with a plurality of filter cloth placing plates 352, the filter cloth placing plates 352 are in one-to-one correspondence with the filter cloth placing grooves 3511 and are positioned at the same side of the filter cloth placing grooves 3511, the side of the filter cloth placing grooves 3511 where the filter cloth placing plates 352 are not provided is provided with the pressing plate 353, the sliding installation sleeve 351 is fixedly provided with an axial sliding frame 356 in one-to-one correspondence with the pressing plate 353, and the pressing plate 353 is slidably connected with the axial sliding frame 356 along the axial direction of the sliding installation sleeve 351, the sliding installation sleeve 351 is further rotatably connected with a pressing gear 354 which is in a through shape and corresponds to the pressing plates 353 in a one-to-one mode, the pressing gear 354 is arranged on the inner wall of the pressing gear 354, the sliding groove 3541 is divided into an inclined end and a parallel section, one end of the inclined section is close to the filter cloth placing plate 352, the other end of the inclined section is far away from the filter cloth placing plate 352, the parallel section parallel to the filter cloth placing plate 352 is penetrated through two ends of the inclined section, a linkage rod 3531 in sliding connection with the sliding groove 3541 is fixedly installed on the pressing plate 353, a rotating gear 355 in rotating connection with the sliding installation sleeve 351 is meshed at the lower end of the pressing gear 354, the rotating gear 355 is coaxially and fixedly connected through a synchronous rotating shaft 3551, and a rotating knob 3552 is fixedly installed on the synchronous rotating shaft 3551 through the sliding installation sleeve 351.

As shown in fig. 11 and 12, a circular pressing bar 3532 having a triangular cross section is fixedly attached to the pressing plate 353, and a pressing groove 3521 corresponding to the pressing bar 3532 is formed in the filter cloth placing plate 352.

It should be noted that, in the process of replacing the filter cloth of the filter module 35, the rotation knob 3552 is rotated, the rotation knob drives the rotation gear 355 to rotate, the rotation gear 355 drives the pressing gear 354 to rotate, under the driving action of the traverse groove 3541, the linkage rod 3531 drives the pressing plate 353 to move in the direction away from the filter cloth placing plate 352, so that the filter cloth is separated from the pressed state, a new filter cloth is loaded after a filter cloth to be replaced by 3 is drawn out from the filter cloth placing groove 3511, then the rotation knob 3552 is rotated in the reverse direction, so that the pressing plate 353 moves in the direction of the filter cloth placing 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 is screwed into the parallel end of the traverse groove 3541, so as to lock the filter cloth.

Meanwhile, the filter cloth is locked by the pressing strips 3532 and the pressing grooves 3521, so that the locking effect of the filter cloth is effectively improved, and the filter cloth is not easy to separate.

As shown in fig. 2 and 3, the upper end of the air inlet box 4 is provided with a suction plate groove 41 communicated with the inside of the air inlet pipe 1, a suction plate 42 covering the cross section of the suction plate groove 41 is slidably connected in the suction plate groove 41, the lower end of the air inlet box 4, which is located at the suction plate groove 41, is provided with an air inlet 43 communicated with the inside of the air inlet pipe 1, a plurality of air inlet grids 44 are rotatably connected in the air inlet 43 along the vertical direction, the upper end and the lower end of each air inlet grid 44 are mutually attached to seal the air inlet 43, the upper end of each air inlet grid 44 is rotatably connected with a first connecting rod 45, the other end of each first connecting rod 45 is rotatably connected with a second connecting rod 46, the second connecting rods 46 are slidably connected with the side wall of the air inlet 43 along the horizontal direction, the other ends of all the second connecting rods 46 are fixedly connected with third connecting rods 47, and the third connecting rods 47 pass through the lower end wall of the suction plate groove 41 and are fixedly connected with the suction plate 42, a return spring 48 is fixedly connected between the third connecting rod 47 and the side wall of the air inlet 43.

In order to make the inside of closing this device separate with the external world automatically when closing this device, use box 4 that admits air to accomplish above-mentioned function, when starting this device, under the effect of the suction of aspiration pump, it drives third connecting rod 47 to the direction removal that is close to intake pipe 1 to receive suction disc 42, third connecting rod 47 drives second connecting rod 46 and slides, second connecting rod 46 drives air inlet grid plate 44 through first connecting rod 45 and rotates and open, thereby make the air enter into intake pipe 1, when closing this device, the aspiration pump is no longer worked, under reset spring 48's bounce-back effect, thereby air inlet grid plate 44 laminates each other again and seals air inlet 43, thereby realized that automatic inside and the external world with this device separates when closing this device.

As shown in fig. 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, the upper sealing plate 51 is fixedly mounted at the upper end of the air inlet pipe 1 through bolts, the reciprocating screw 52 is rotatably connected to the upper sealing plate 51, the reciprocating screw 52 extends into the air inlet pipe 1, two symmetrical and oppositely-rotated screw grooves 521 are formed in the reciprocating screw 52, the tail ends of the two screw grooves 521 are in smooth transition, a plurality of guide rods 53 are fixedly connected to the lower end of the upper sealing plate 51, the sponge fixing sleeve 54 is slidably connected to the guide rods 53 in the vertical direction, the cleaning sponge 55 is clamped on the sponge fixing sleeve 54, a sliding rod 541 extending to the reciprocating screw 52 is fixedly mounted on the sponge fixing sleeve 54, and the sliding rod 541 is slidably connected to the screw grooves 521, the sponge fixing sleeve 54 is divided into an upper sleeve 542 and a lower sleeve 543, and the upper sleeve 542 is in threaded connection with the lower sleeve 543.

It should be noted that, in the process that the inner wall cleaning unit 5 cleans the inner wall of the air inlet pipe 1, the motor drives the reciprocating screw 52 to rotate, the thread groove 521 on the reciprocating screw 52 drives the sponge fixing sleeve 54 to reciprocate along the vertical direction through the sliding rod 541, the guide rod 53 plays a role in guiding the sponge fixing sleeve 54, and the cleaning sponge 55 can be conveniently replaced by connecting the upper sleeve 542 and the lower sleeve 543 of the sponge fixing sleeve 54 through threads.

The working process of the invention is that the external air pump is connected with the air outlet pipe 2, the air enters the air inlet pipe 1 from the air inlet box 4, then the air enters the air outlet pipe 2 and then enters the filtering unit 3, the micro dust in the hollow body is absorbed by the filtering unit 3, then the external air pump discharges the filtered air into a workshop, thereby completing the filtering of the air, simultaneously when the filtering unit 3 and the filter cloth therein need to be replaced, the closed end cover 32 moves to the middle of the middle sleeve 31 under the jacking pressure of the air pipe 2, then the closed end cover 32 is pushed to the position coaxial with the air outlet pipe 2, under the elastic force of the pushing spring rod 33, the closed end cover 32 moves to the two axial sides of the middle sleeve 31, the lock catch stop 321 of the closed end cover 32 is buckled with the air outlet pipe 2, thus completing the quick disassembly and assembly of the filtering unit 3, by rotating the rotary knob 3552, the rotary knob drives the rotary gear 355 to rotate, the rotary gear 355 drives the compression gear 354 to rotate, under the driving action of the transverse moving groove 3541, the linkage rod 3531 drives the compression plate 353 to move towards the direction far away from the filter cloth placing plate 352, so that the filter cloth is separated from the compressed state, a new filter cloth is put in after 3 more filter cloths needing to be replaced are drawn out from the filter cloth placing groove 3511, then the rotary knob 3552 is rotated reversely, so that the compression plate 353 moves towards the filter cloth placing plate 352 until the compression plate 353 compresses the filter cloth, when the compression plate 353 compresses the filter cloth, the linkage rod 3531 is screwed into the parallel end of the transverse moving groove 3541, so that the filter cloth is locked, the filter cloth is replaced quickly, when air is filtered, the third connecting rod 47 is driven by the suction plate 42 to move towards the direction close to the air inlet pipe 1, the third connecting rod 47 drives the second connecting rod 46 to slide, second connecting rod 46 drives air inlet grid plate 44 through first connecting rod 45 and rotates and open to make the air enter into intake pipe 1, when closing this device, the aspiration pump no longer works, under reset spring 48's bounce-back effect, thereby air inlet grid plate 44 laminates each other again and seals air inlet 43, thereby has realized that automatic inside with this device separates with the external world when closing this device.

The circuits and controls involved in the present invention are prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A dust purification treatment device for a clean workshop comprises an air inlet pipe (1) which is vertically arranged and an air outlet pipe (2) which is fixedly arranged at the lower end of the air inlet pipe (1) and is communicated with a fixed pipe;

the air inlet pipe is characterized in that the air outlet pipes (2) are designed in a double-section mode, a filtering unit (3) is sleeved between the air outlet pipes (2) at two ends, an air inlet box (4) is fixedly installed at the upper end of the air inlet pipe (1), the air inlet box (4) is communicated with the inside of the air inlet pipe (1), and an inner wall cleaning unit (5) for cleaning the inner wall of the air inlet pipe (1) is further sleeved inside the air inlet pipe (1);

the filter unit (3) comprises a middle sleeve (31), a closed end cover (32), a pushing spring rod (33), a fastening mechanism (34) and a filter module (35), wherein the closed end cover (32) is slidably sleeved at two ends of the middle sleeve (31), one end, far away from the middle sleeve (31), of the closed end cover (32) is provided with a round lock catch spigot (321), the diameter of the outer wall of the lock catch spigot (321) is the same as that of the outlet pipe (2), the closed end cover (32) is buckled on the outlet pipe (2) through the lock catch spigot (321), the closed end cover (32) is buckled, the outer end face of one end of the outlet pipe (2) is processed into an inclined plane shape facing the inside of the closed end cover (32), the pushing spring rod (33) is uniformly and fixedly installed at the other end of the closed end cover (32) in the circumferential direction, the other end of the pushing spring rod (33) is fixedly installed on the middle sleeve (31), the middle sleeve (31) is further provided with a fastening mechanism (34) for locking the air outlet pipe (2) and the closed end cover (32), and the middle sleeve (31) is connected with a filtering module (35) for filtering air in a sliding mode.

2. The clean workshop dust purification treatment device as claimed in claim 1, wherein; the fastening mechanism (34) comprises locking gears (341), locking screws (342), screw rod orientation plates (343) and a turnover force application gear (344), the locking gears (341) are uniformly distributed along the circumferential direction of the middle sleeve (31), the locking gears (341) are rotatably erected on the middle sleeve (31), the locking screws (342) are in threaded connection with the middle of the locking gears (341), orientation grooves (3421) are uniformly formed in the circumferential direction of the locking screws (342), the orientation plates (343) are fixedly mounted on the middle sleeve (31) and correspond to the locking screws (342) one by one, orientation holes (3431) coaxial with the locking screws (342) are formed in the orientation plates (343), orientation blocks slidably connected with the orientation grooves (3421) are fixedly mounted on the orientation holes (3431), and the turnover force application gear (344) is meshed with the outer side of the locking gears (341), circumference fixed mounting has locating plate (345) on middle sleeve pipe (31), locating plate (345) are the U-shaped board, locating plate (345) with the outer wall sliding contact of the both sides of turnover application of force gear (344).

3. The dust purification device for clean workshop according to claim 1 or 2, wherein the filter module (35) comprises a sliding installation sleeve (351), a filter cloth placing plate (352), a pressing plate (353), a pressing gear (354) and a rotating gear (355), the sliding installation sleeve (351) is in sliding connection with the middle sleeve (31) along the axial direction of the middle sleeve (31), the sliding installation sleeve (351) is provided with a plurality of filter cloth placing grooves (3511) penetrating through the middle position along the axial direction of the sliding installation sleeve, the inner wall of the sliding installation sleeve (351) is fixedly provided with a plurality of filter cloth placing plates (352), the filter cloth placing plates (352) are in one-to-one correspondence with the filter cloth placing grooves (3511) and are positioned at the same side of the filter cloth placing grooves (3511), and the pressing plate (353) is arranged at the side of the filter cloth placing grooves (3511) where the filter cloth placing plates (352) are not arranged, the filter cloth sliding installation structure is characterized in that an axial sliding frame (356) corresponding to the pressing plates (353) in a one-to-one mode is fixedly installed on the sliding installation sleeve (351), the pressing plates (353) are in sliding connection with the axial sliding frame (356) along the axial direction of the sliding installation sleeve (351), the sliding installation sleeve (351) is further rotatably connected with the pressing gears (354) which are in one-to-one correspondence with the pressing plates (353) and are through in the middle, a transverse moving groove (3541) is formed in the inner wall of each pressing gear (354), each transverse moving groove (3541) is divided into an inclined end and a parallel section, one end of each inclined section is close to each filter cloth placing plate (352), the other end of each inclined section is far away from each filter cloth placing plate (352), parallel sections parallel to the filter cloth placing plates (352) penetrate through two ends of each inclined section, a linkage rod (3531) connected with the transverse moving grooves (3541) in a sliding mode is fixedly installed on each pressing plate (353), and rotating gears (355) rotatably connected with the sliding installation sleeve (351) are meshed at the lower ends of the pressing gears (354), the rotating gear (355) is coaxially and fixedly connected through a synchronous rotating shaft (3551), and the synchronous rotating shaft (3551) penetrates through the sliding installation sleeve (351) and is fixedly provided with a rotating knob (3552).

4. The dust purification treatment device for the clean workshop according to claim 3, wherein a circular pressing strip (3532) with a triangular cross section is fixedly installed on the pressing plate (353), and a pressing groove (3521) corresponding to the pressing strip (3532) is formed on the filter cloth placing plate (352).

5. The dust purification treatment device for the clean workshop according to claim 1, wherein the upper end of the air inlet box (4) is provided with a suction plate groove (41) communicated with the inside of the air inlet pipe (1), the suction plate groove (41) is connected with a suction plate (42) covering the cross section of the suction plate groove (41) in a sliding manner, the lower end of the air inlet box (4) positioned at the suction plate groove (41) is provided with an air inlet (43) communicated with the inside of the air inlet pipe (1), the air inlet (43) is connected with a plurality of air inlet grids (44) in a rotating manner along the vertical direction, the upper end and the lower end of each air inlet grid (44) are mutually attached to seal the air inlet (43), the upper end of each air inlet grid (44) is connected with a first connecting rod (45) in a rotating manner, the other end of the first connecting rod (45) is connected with a second connecting rod (46) in a rotating manner, and the second connecting rod (46) is connected with the side wall of the air inlet (43) in a sliding manner along the horizontal direction, the other ends of all the second connecting rods (46) are fixedly connected with third connecting rods (47), the third connecting rods (47) penetrate through the lower end wall of the suction plate groove (41) and the suction plate (42) and are fixedly connected, and return springs (48) are fixedly connected between the third connecting rods (47) and the side walls of the air inlets (43).

6. The clean workshop dust purification treatment device as claimed in claim 1, wherein the inner wall cleaning unit (5) comprises an upper sealing plate (51), a reciprocating screw (52), a guide rod (53), a sponge fixing sleeve (54), a cleaning sponge (55) and a driving motor (56), the upper sealing plate (51) is fixedly installed at the upper end of the air inlet pipe (1) through bolts, the reciprocating screw (52) is rotatably connected to the upper sealing plate (51), the reciprocating screw (52) extends into the air inlet pipe (1), two symmetrical and oppositely-rotated thread grooves (521) are formed in the reciprocating screw (52), the tail ends of the two thread grooves (521) are in smooth transition, a plurality of guide rods (53) are fixedly connected to the lower end of the upper sealing plate (51), and the sponge fixing sleeve (54) is slidably connected to the guide rods (53) in the vertical direction, the utility model discloses a reciprocating screw rod cleaning device, including sponge fixed cover (54), fixed cover (54) go up the centre gripping have clean sponge (55), fixed cover (54) go up fixed mounting have stretch to reciprocating screw rod (52) slide bar (541), slide bar (541) with thread groove (521) sliding connection, driving motor (56) fixed mounting is in the upper end of last shrouding (51), just driving motor (56) the output shaft with reciprocating screw rod (52) coaxial fixed connection.

7. The clean workshop dust purification treatment device as claimed in claim 6, wherein 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 in threaded connection.