CN214528238U

CN214528238U - Iron powder filter based on vacuum pump control

Info

Publication number: CN214528238U
Application number: CN202120364416.7U
Authority: CN
Inventors: 胡国军; 金品学
Original assignee: Qian'an Xingxin Iron Dressing Co ltd
Current assignee: Qian'an Xingxin Iron Dressing Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-10-29
Anticipated expiration: 2031-02-06

Abstract

The utility model belongs to the technical field of iron powder screening technique and specifically relates to a relate to an iron powder filter based on vacuum pump control, it includes quick-witted case, adsorption plate and is used for scraping the adsorbed iron powder of adsorption plate to the scraper blade passageway of quick-witted incasement, and the adsorption tube rotates with quick-witted case to be connected, scraper blade passageway and quick-witted incasement wall fixed connection, its characterized in that: the improved iron powder conveyor is characterized in that at least two scraper channels are arranged, the two scraper channels are respectively arranged on two sides of the adsorption plate, a blanking channel is arranged at the bottom wall of the machine case, one end of the blanking channel is fixedly connected and communicated with the bottom wall of the machine case, the other end of the blanking channel is connected with a conveying device used for receiving iron powder falling from the blanking channel and conveying the iron powder, and a conveying piece used for conveying the iron powder out of the machine case is arranged in the blanking channel. In this application, through the setting of unloading passageway and transmission, reduced the manual process that takes out the iron powder of workman, improved the convenience that the iron powder was collected, reached the purpose that has reduced workman intensity of labour.

Description

Iron powder filter based on vacuum pump control

Technical Field

The application relates to the field of iron powder screening technology, in particular to an iron powder filter based on vacuum pump control.

Background

At present, iron powder is mainly applied to the manufacturing of mechanical parts, the mechanical parts manufactured by the iron powder have the advantages of high density and high strength, the iron powder is generally extracted from natural ores, the processes of crushing, grinding, screening and the like are needed during the extraction, the screening process is used for grading the size of iron powder particles, and a filter is usually used for screening particle impurities in the iron powder.

Referring to fig. 1 and 2, a general filter includes a cabinet 1, a water tank 2, a rotating roller 211 and a driving device 2111, the cabinet 1 is horizontally disposed, a slag discharge port 11 is disposed at a side wall of a bottom end of the cabinet 1, the water tank 2 is horizontally suspended in the cabinet 1, the water tank 2 is fixedly connected to the cabinet 1, the rotating roller 211 is disposed in the water tank 2, the rotating roller 211 is rotatably connected to the cabinet 1, one end of the rotating roller 211 is fixedly connected to the driving device 2111, an adsorption plate 212 is disposed outside the rotating roller 211, the adsorption plate 212 is fixedly connected to the rotating roller 211, the adsorption plate 212 is connected to a vacuum pump 2121, the vacuum pump 2121 controls the adsorption plate 212 to adsorb iron powder, a scraper channel 3 is vertically disposed between the cabinet 1 and the water tank 2, the scraper channel 3 is fixedly connected to an inner wall of the cabinet 1, and a top end of the scraper channel 3 is located in the water tank 2. When the water with iron powder is filtered by the filter, the driving device 2111 is used for driving the adsorption plate 212 to rotate, the vacuum pump 2121 sucks the adsorption plate 212 to be vacuum, in the process of vacuum suction, the iron powder in the water is adsorbed on the adsorption plate 212, other particle impurities are remained in the water, then the iron powder on the adsorption plate 212 is scraped by the top end of the scraper channel 3, the iron powder falls into the bottom wall of the case 1 along the scraper channel 3, then the iron powder is collected, and the screening of the iron powder is realized.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when collecting the iron powder of quick-witted case diapire, need the workman to draw out the iron powder from quick-witted incasement through the bin outlet of quick-witted case, lead to workman's intensity of labour big.

SUMMERY OF THE UTILITY MODEL

In order to reduce workman's intensity of labour, this application provides an iron powder filter based on vacuum pump control.

The application provides an iron powder filter based on vacuum pump control adopts following technical scheme:

the utility model provides an iron powder filter based on vacuum pump control, includes quick-witted case, adsorption plate and is used for scraping the adsorbed iron powder of adsorption plate to the scraper blade passageway of quick-witted incasement, and the adsorption tube rotates with quick-witted case to be connected, scraper blade passageway and quick-witted incasement wall fixed connection, its characterized in that: the improved iron powder conveyor is characterized in that at least two scraper channels are arranged, the two scraper channels are respectively arranged on two sides of the adsorption plate, a blanking channel is arranged at the bottom wall of the machine case, one end of the blanking channel is fixedly connected and communicated with the bottom wall of the machine case, the other end of the blanking channel is connected with a conveying device used for receiving iron powder falling from the blanking channel and conveying the iron powder, and a conveying piece used for conveying the iron powder out of the machine case is arranged in the blanking channel.

By adopting the technical scheme, the iron powder scraped by the scraper channel falls into the case along the scraper channel, then the iron powder is fed through the feeding channel by the conveying piece, the iron powder is fed onto the conveying device, and the transmission device is used for automatically transmitting the iron powder out, so that the collection of the iron powder in the case is realized; through the setting of unloading passageway and transmission, reduced the manual process that takes out the iron powder of workman, improved the convenience that the iron powder was collected, reached the purpose that has reduced workman intensity of labour.

Optionally, carry the piece for carrying the auger, carry the auger and rotate with the unloading passageway and be connected, carry the auger and be connected with and be used for the drive to carry auger pivoted driving piece.

By adopting the technical scheme, the driving piece is utilized to drive the conveying auger to rotate in the blanking channel, and the conveying auger drives the iron powder at the blanking channel to move to the conveying device along the blanking channel, so that the blanking of the iron powder in the case is realized; through the arrangement of the conveying auger, the blockage of the iron powder material in the blanking channel is reduced, and the blanking speed of the iron powder is improved.

Optionally, the driving part is a first motor, the first motor is arranged outside the blanking channel, the first motor is fixedly connected with the outer side wall of the blanking channel, and a transmission part for transmitting the first motor and the conveying auger is arranged between the first motor and the conveying auger.

By adopting the technical scheme, the first motor is started, the auger is conveyed to rotate by the driving of the starting motor through the driving part, and the first motor is arranged at the outer side wall of the blanking channel, so that the first motor is protected, the damage of the blanked iron powder to the first motor is reduced, and the service life of the first motor is prolonged; and meanwhile, the blocking of the first motor to the iron powder blanking is reduced.

Optionally, the transmission part is a bevel gear group, the bevel gear group comprises a first wheel and a second wheel, the first wheel and the second wheel are both rotatably connected with the blanking channel, the first wheel is fixedly connected with the conveying auger, the second wheel is fixedly connected with the first motor, and the second wheel is meshed with the first wheel.

Through adopting above-mentioned technical scheme, first motor drives the second round and rotates, and the second round drives first round synchronous rotation, and first round drives carries the auger and begins to rotate, and then has realized the transmission of power between first motor and the transport auger, has improved the driven convenience between first motor and the transport auger.

Optionally, the conveying auger is fixedly connected with a stirring plate, and the stirring plate is rotatably connected with the blanking channel.

Through adopting above-mentioned technical scheme, utilize the stirring board to stir the iron powder in the unloading passageway, open the iron powder that will tie into the piece to reduce the condition that the iron powder will get off the passageway and stop up, further improved the unloading efficiency in the unloading passageway.

Optionally, two one end department that the scraper blade passageway kept away from quick-witted case diapire all is provided with the fan that changes, and two change the fan and all rotate with quick-witted case and be connected.

Through adopting above-mentioned technical scheme, when the iron powder of scraper blade passageway with the adsorption plate was scraped, rotate and change the fan, change the fan and drive the iron powder and fall into the scraper blade passageway in, reduced the jam of iron powder in tube sheet passageway import department, improved the falling speed of iron powder in the scraper blade passageway.

Optionally, two it is provided with the linkage subassembly to change between the fan, and the linkage subassembly includes the action wheel and follows the driving wheel, follows the driving wheel and is provided with two, two follow driving wheel respectively with two change fan fixed connection, two all rotate with quick-witted lateral wall from driving wheel and action wheel and be connected, the action wheel with two from carrying out the transmission through the belt between the driving wheel.

Through adopting above-mentioned technical scheme, rotate the action wheel, the action wheel drives two through the transmission of belt and rotates from the driving wheel synchronization, and two are driven the driving wheel and are driven two and change the fan and rotate to realized two and changeed the linkage between the fan, saved electric power resource simultaneously, reached energy-conserving purpose.

Optionally, a heightening plate is arranged at one end, far away from the blanking channel, of the case, and the heightening plate is fixedly connected with the case.

By adopting the technical scheme, the side wall of the case is heightened by utilizing the heightening plate, and water flow and iron powder in the case are blocked, so that the overflow of the iron powder and the water flow with the iron powder from the case is reduced, the waste of the iron powder is reduced, and the collection rate of the iron powder is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the blanking channel and the transmission device, the procedure of manually taking out the iron powder by workers is reduced, the convenience of iron powder collection is improved, and the purpose of reducing the labor intensity of the workers is achieved;

2. due to the arrangement of the conveying auger, the blockage of the iron powder material in the blanking channel is reduced, and the blanking speed of the iron powder is improved;

3. through the arrangement of the heightening plates, the overflow of the iron powder and the water flow with the iron powder from the machine box is reduced, the waste of the iron powder is reduced, and the collection rate of the iron powder is improved.

Drawings

FIG. 1 is a schematic structural view of an iron powder filter in the background art of the present application;

FIG. 2 is a schematic cross-sectional view of an iron powder filter according to the background art of the present application;

FIG. 3 is a schematic structural diagram of an iron powder filter additionally provided with a blanking channel in the embodiment of the application;

FIG. 4 is a schematic cross-sectional view of a top end of a chassis rotating to a fan in an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view of a squeegee passageway in an embodiment of the application;

fig. 6 is a schematic cross-sectional view of a blanking channel in an embodiment of the present application.

Description of reference numerals: 1. a chassis; 11. a slag discharge port; 12. heightening a plate; 13. a support bar; 2. a water tank; 21. an adsorption device; 211. rotating the roller; 2111. a drive device; 212. an adsorption plate; 2121. a vacuum pump; 3. a squeegee passageway; 4. a blanking channel; 5. a conveying mechanism; 51. conveying the auger; 511. a stirring plate; 512. fixing the rod; 52. a first motor; 53. a bevel gear set; 531. a first wheel; 532. a second wheel; 6. rotating the fan; 61. a rotating shaft; 62. a fan plate; 7. a linkage assembly; 71. a driving wheel; 72. a driven wheel; 73. a second motor; 8. and a conveying device.

Detailed Description

The present application is described in further detail below with reference to figures 3-6.

The embodiment of the application discloses iron powder filter based on vacuum pump control. Referring to fig. 3 and 4, an iron powder filter based on vacuum pump control includes quick-witted case 1, basin 2, adsorption equipment 21, unloading passageway 4 and conveyer 8, 1 level of quick-witted case hangs and locates workshop ground department, 1 bottom of quick-witted case is provided with unloading passageway 4, be provided with conveying mechanism 5 in the unloading passageway 4, 8 levels of conveyer set up between unloading passageway 4 and workshop ground, conveyer 8 aligns with unloading passageway 4, basin 2 level is fixed in quick-witted case 1, adsorption equipment 21 sets up in basin 2, and adsorption equipment 21 is connected with basin 2 rotation, vertically be provided with scraper blade passageway 3 between basin 2 and the quick-witted case 1, 3 tops of scraper blade passageway are located basin 2, scraper blade passageway 3 and basin 2 fixed connection, 3 bottoms of scraper blade passageway communicate with the inner chamber of quick-witted case 1. When utilizing the iron powder filter to sieve the iron powder and filter, at first in pouring the water that has the iron powder into basin 2, later utilize adsorption equipment 21 to adsorb the iron powder in the water, later rotate adsorption equipment 21 and make the adsorption site of iron powder be close to scraper blade passageway 3 gradually, 3 tops of scraper blade passageway are scraped the iron powder down, the iron powder is along the interior intracavity of scraper blade passageway 3 entering quick-witted case 1, later conveying mechanism 5 will get into the iron powder in unloading passageway 4 and send to conveyer 8, realized collecting the iron powder in quick-witted case 1, the manual process of taking out the iron powder of workman has been reduced, the convenience that the iron powder was collected has been improved, reach the purpose that has reduced workman intensity of labour.

Referring to fig. 3, the case 1 is of a structure with an opening at the top end, the bottom end of the case 1 is set to be a hopper shape for collection, supporting rods 13 are arranged between the case 1 and the bottom end of a workshop, four supporting rods 13 are vertically arranged, the bottom ends of the supporting rods 13 are fixedly connected with the ground of the workshop, and the top ends of the supporting rods 13 are fixedly connected with the outer side wall of the case 1. The supporting rod 13 is used for supporting the case 1, so that the case 1 is suspended on the workshop ground, and a blanking space is reserved for iron powder in the case 1.

In order to reduce the splashing of the iron powder and the water flow from the cabinet 1, referring to fig. 1, a heightening plate 12 is arranged at the top end of the cabinet 1, the heightening plates 12 are arranged at the top ends of four side walls of the cabinet 1, and the bottom ends of the heightening plates 12 are fixedly connected with the top end of the cabinet 1.

Referring to fig. 3 and 4, the adsorption device 21 includes a rotating roller 211 and an adsorption plate 212, the rotating roller 211 is horizontally disposed in the water tank 2, two ends of the rotating roller 211 are rotatably connected to the two side walls of the case 1 along the length direction, one end of the rotating roller 211 is connected to a driving device 2111, the driving device 2111 is fixedly connected to the top end of the case 1, the adsorption plate 212 is annular, the adsorption plate 212 is sleeved on the outer side of the rotating roller 211, five adsorption plates 212 are vertically disposed, the inner wall side of the adsorption plate 212 is fixedly connected to the outer wall of the rotating roller 211, each adsorption plate 212 is communicated with a vacuum pump 2121, the vacuum pump 2121 is located on the side of the rotating roller 211 away from the driving device 2111, and the vacuum pump 2121 is fixedly connected to the top end of the case 1.

Utilize drive arrangement 2111 to drive the commentaries on classics roller 211 and rotate in basin 2, the commentaries on classics roller 211 drives adsorption plate 212 and rotates in basin 2 in step, when adsorption plate 212 rotates, utilize vacuum pump 2121 control adsorption plate 212 to inhale the air, the iron powder in basin 2 is adsorbed in adsorption plate 212 lateral wall department when the air inhales again, then rotate adsorption plate 212 and be close to scraper blade passageway 3, when adsorption plate 212 reachs scraper blade passageway 3 position department, vacuum pump 2121 control adsorption plate 212 exhausts the air, the suction of adsorption plate 212 to the iron powder has been relieved, scrape the iron powder through scraper blade passageway 3 top simultaneously and fall to scraper blade passageway 3 in, and then accomplished the filtration to the water that has the iron powder, realized the screening of iron powder.

Referring to fig. 3 and 4, six scraper channels 3 are provided, two adjacent scraper channels 3 are respectively provided on two sides of each adsorption plate 212, and the scraper channels 3 are of a structure with an opening at the bottom end; in order to reduce the blockage of iron powder on the top end of the scraper channel 3, the top end of the scraper channel 3 is provided with a rotating fan 6, the rotating fan 6 is located in the scraper channel 3, referring to fig. 5, the rotating fan 6 comprises a rotating shaft 61 and fan plates 62, the rotating shaft 61 is horizontally arranged, one end of the rotating shaft 61 is rotatably connected with the side wall of the scraper channel 3 close to the water tank 2, the other end of the rotating shaft passes through the side wall of the case 1, each rotating shaft 61 corresponds to four fan plates 62, the fan plates 62 are perpendicular to the side wall of the rotating shaft 61, the distance between every two adjacent fan plates 62 is the same, one side of each fan plate 62 is fixedly connected with the outer side wall of the rotating shaft 61, the direction of each fan plate 62 along the direction of the rotating shaft 61 is slightly smaller than the length of the length direction of the scraper channel 3, and a linkage assembly 7 is arranged between every six rotating shafts 61. Utilize linkage assembly 7 to drive six pivot 61 and rotate, pivot 61 drives fan board 62 and rotates at scraper blade passageway 3 top, and fan board 62 scrapes the iron powder on scraper blade passageway 3 top to scraper blade passageway 3 in, has improved the falling speed of iron powder in scraper blade passageway 3.

Referring to fig. 4 and 5, the linkage assembly 7 is disposed at the outer side wall of the chassis 1 close to the scraper channel 3, the linkage assembly 7 includes a driving wheel 71 and six driven wheels 72, six driven wheels 72 are vertically disposed, six driven wheels 72 are respectively away from one end of the rotating roller 211 with six rotating shafts 61, referring to fig. 3, the driving wheel 71 is located at one side of the six driven wheels 72 away from the driving device 2111, the driving wheel 71 and the six driven wheels 72 are all rotatably connected at the side wall of the chassis 1, the driving wheel 71 and the six driven wheels 72 are driven by a belt, one side of the driving wheel 71 away from the chassis 1 is fixedly connected with a second motor 73, and the second motor 73 is used for fixedly connecting the outer side wall of the chassis 1.

The second motor 73 is started, the second motor 73 drives the driving wheel 71 to rotate, the driving wheel 71 drives six driven wheels 72 to simultaneously start to rotate through a belt, the six driven wheels 72 drive six rotating fans 6 to rotate in the scraper channel 3, and then iron powder at the top end of the scraper channel 3 is driven to move towards the direction close to the bottom wall of the case 1.

Referring to fig. 3, the blanking channel 4 is vertically arranged, the top end of the blanking channel 4 is fixedly connected and communicated with the bottom wall opening of the case 1, and the bottom end of the blanking channel 4 is aligned with the top end of the conveying device 8.

Referring to fig. 6, the conveying mechanism 5 includes a conveying auger 51, a first motor 52 and a bevel gear group 53, the conveying auger 51 is vertically arranged in the blanking channel 4, fixing rods 512 are respectively arranged between two ends of the conveying auger 51 in the vertical direction and the inner wall of the blanking channel 4, the fixing rods 512 are horizontally arranged in the blanking channel 4, two ends of each fixing rod 512 are fixedly connected with the inner wall of the blanking channel 4, the fixing rods 512 are sleeved outside the conveying auger 51, the fixing rods 512 are rotatably connected with the conveying auger 51, the first motor 52 is horizontally arranged outside the blanking channel 4, the first motor 52 is fixedly connected with the outer side wall of the blanking channel 4, and the bevel gear group 53 is arranged between the bottom end of the conveying auger 51 and the first motor 52. The support rod supports the rotation of the conveying auger 51, the first motor 52 drives the rotation of the conveying auger 51, and the bevel gear drives the conveying auger 51 and the first motor 52 to transmit.

Referring to fig. 6, the bevel gear set 53 comprises a first wheel 531 and a second wheel 532, the first wheel 531 is horizontally arranged, the center of the top end of the first wheel 531 is fixedly connected with the bottom end of the conveying auger 51, the second wheel 532 is vertically arranged on the side, close to the first motor 52, of the first wheel 531, the side, far away from the first wheel 531, of the second wheel 532 is fixedly connected with the first motor 52, and the side, far away from the first motor 52, of the second wheel 532 is meshed with the bottom end of the first wheel 531.

When the conveying auger 51 is used for conveying the iron powder in the blanking channel 4, the first motor 52 is started firstly, the first motor 52 drives the second wheel 532 to rotate, the second wheel 532 drives the first wheel 531 to rotate, the first wheel 531 drives the conveying auger 51 to rotate in the blanking channel 4, the conveying auger 51 conveys the iron powder at the top end of the blanking channel 4 to the bottom end of the blanking channel 4, and then the iron powder falls to the conveying device 8; the conveying auger 51 accelerates the blanking speed of the iron powder at the blanking channel 4 to prevent the iron powder from being blocked at the blanking channel 4.

In order to prevent iron powder from caking and blocking at the top end of the blanking channel 4, referring to fig. 6, the top end of the conveying auger 51 is fixedly connected with horizontally arranged stirring plates 511, four stirring plates 511 are arranged, the four stirring plates 511 are arranged along the circumferential direction of the top end of the conveying auger 51, the stirring plates 511 are perpendicular to the conveying auger 51, two adjacent stirring plates 511 are perpendicular to each other, one end of each stirring plate 511 is fixedly connected with the side wall of the top end of the conveying auger 51, and a gap is reserved between the other end of each stirring plate 511 and the blanking channel 4. The conveying auger 51 drives the stirring plate 511 to start rotating when rotating, and the stirring plate 511 stirs the iron powder at the top end of the blanking channel 4, so that the practicability is high.

The implementation principle of the iron powder filter based on vacuum pump control in the embodiment of the application is as follows: when the water with iron powder is filtered by using the filter, firstly, the water with iron powder is poured into the water tank 2, then the driving device 2111 is used for driving the rotating roller 211 and the adsorption plate 212 to rotate, the adsorption plate 212 is controlled by the vacuum pump 2121 to adsorb the iron powder in the water in the rotation process, when the adsorption plate 212 rotates to the scraper channel 3, the top end of the scraper channel 3 scrapes the iron powder of the adsorption plate 212, the rotating fan 6 is used for scraping the iron powder at the top end of the scraper channel 3 into the scraper channel 3, the iron powder enters the machine box 1 along the scraper channel 3, then the iron powder reaches the top end of the blanking channel 4 under the action of gravity, at the moment, the conveying mechanism 5 is used for conveying the top end of the blanking channel 4 to the bottom end of the blanking channel 4, then the iron powder is separated from the blanking channel 4 and falls to the top end of the conveying device 8, the conveying device conveys the iron powder to the collection position, and finally, the iron powder is collected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an iron powder filter based on vacuum pump control, includes quick-witted case (1), adsorption plate (212) and is used for scraping the iron powder that adsorption plate (212) adsorbs and falls scraper blade passageway (3) in quick-witted case (1), and the adsorption tube rotates with quick-witted case (1) to be connected, scraper blade passageway (3) and quick-witted case (1) inner wall fixed connection, its characterized in that: the iron powder conveying machine is characterized in that at least two scraper plate channels (3) are arranged, the two scraper plate channels (3) are respectively arranged on two sides of an adsorption plate (212), a blanking channel (4) is arranged at the bottom wall of the machine case (1), one end of the blanking channel (4) is fixedly connected and communicated with the bottom wall of the machine case (1), the other end of the blanking channel is connected with a conveying device (8) used for receiving iron powder falling from the blanking channel (4) and conveying the iron powder, and conveying pieces used for conveying the iron powder out of the machine case (1) are arranged in the blanking channel (4).

2. The iron powder filtering machine based on vacuum pump control as claimed in claim 1, wherein: the conveying part is a conveying auger (51), the conveying auger (51) is rotatably connected with the blanking channel (4), and the conveying auger (51) is connected with a driving part for driving the conveying auger (51) to rotate.

3. The iron powder filtering machine based on vacuum pump control as claimed in claim 2, wherein: the driving piece is first motor (52), and first motor (52) set up in unloading passageway (4) outside, and first motor (52) and unloading passageway (4) lateral wall fixed connection, are provided with between first motor (52) and the transport auger (51) to be used for carrying out driven driving medium between first motor (52) and the transport auger (51).

4. The iron powder filtering machine based on vacuum pump control as claimed in claim 3, wherein: the transmission piece is a bevel gear set (53), the bevel gear set (53) comprises a first wheel (531) and a second wheel (532), the first wheel (531) and the second wheel (532) are both rotationally connected with the blanking channel (4), the first wheel (531) is fixedly connected with the conveying auger (51), the second wheel (532) is fixedly connected with the first motor (52), and the second wheel (532) is meshed with the first wheel (531).

5. The iron powder filtering machine based on vacuum pump control as claimed in claim 2, wherein: the conveying auger (51) is fixedly connected with a stirring plate (511), and the stirring plate (511) is rotatably connected with the blanking channel (4).

6. The iron powder filtering machine based on vacuum pump control as claimed in claim 1, wherein: two one end department that scraper blade passageway (3) kept away from quick-witted case (1) diapire all is provided with changes fan (6), and two change fan (6) and all rotate with quick-witted case (1) and be connected.

7. The iron powder filter based on vacuum pump control as claimed in claim 6, wherein: two it is provided with linkage assembly (7) to change between fan (6), and linkage assembly (7) are provided with two including action wheel (71) and follow driving wheel (72), two follow driving wheel (72) respectively with two change fan (6) fixed connection, two all rotate with quick-witted case (1) lateral wall from driving wheel (72) and action wheel (71) and be connected, carry out the transmission through the belt between action wheel (71) and two follow driving wheel (72).

8. The iron powder filtering machine based on vacuum pump control as claimed in claim 1, wherein: the feeding device is characterized in that one end, far away from the blanking channel (4), of the case (1) is provided with a heightening plate (12), and the heightening plate (12) is fixedly connected with the case (1).