CN118267809A - Vacuum pump air inlet filter with self-cleaning function - Google Patents
Vacuum pump air inlet filter with self-cleaning function Download PDFInfo
- Publication number
- CN118267809A CN118267809A CN202410587038.7A CN202410587038A CN118267809A CN 118267809 A CN118267809 A CN 118267809A CN 202410587038 A CN202410587038 A CN 202410587038A CN 118267809 A CN118267809 A CN 118267809A
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- Prior art keywords
- driving
- filter screen
- filter
- shell
- vacuum pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/26—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of filters, in particular to a vacuum pump air inlet filter with a self-cleaning function, which comprises a filter cylinder and a filter screen, wherein the top of the filter cylinder is provided with a driving shaft; the inside and the outside of the filter screen are respectively provided with a first shell and a second shell; the filter screen is driven to intermittently rotate by the driving shaft, so that the gas can be filtered uniformly, meanwhile, the driving shaft can drive the driving assembly to move, the driving assembly drives the first shell and the second shell to relatively move, a working area which can partially cover the wall of the filter screen is formed on the filter screen, dust can be washed out by the air flow flowing reversely, and the dust can be collected by the second shell, so that the filter can partially clean the filter screen without stopping, the performance of the filter screen is recovered, the service life of the filter screen is prolonged, and meanwhile, the dust generated during cleaning can be collected, and the maintenance times of the filter screen are reduced.
Description
Technical Field
The invention relates to the technical field of filters, in particular to a vacuum pump air inlet filter with a self-cleaning function.
Background
The utility model provides a vacuum pump air inlet filter is the air filter device of installing in the vacuum pump air inlet, and its main function is through the impurity in the filter screen of inside blocking the gas of taking out, such as dust, hair etc. in order to protect the vacuum pump from these impurity infringements, the air inlet filter is the important part of protecting the normal operating of vacuum pump, and the air inlet filter is after long-time use, and the filter screen needs to be changed and maintained, and the vacuum pump need shut down this moment, can influence the operation of equipment from this, chinese patent CN218475031U discloses a novel air inlet filter, including detachable cylindrical casing, the air inlet has been seted up to the lateral part of casing, the gas outlet has been seted up to the bottom of casing, cylindrical filter core has been placed in the casing; this patent is convenient to change the filter screen, but this patent still has the problem that needs to shut down the maintenance, also has the brush head that can carry out the cleanness to the filter screen among the prior art, can prolong the life of filter screen from this, but the magazine that the brush head clearance was got off still can remain in the filter that admits air when cleaning, cleans under the circumstances of not shutting down, and the magazine can be adsorbed on the filter screen again along with the work of vacuum pump.
Disclosure of Invention
According to the air inlet filter of the vacuum pump with the self-cleaning function, the filter screen is driven by the driving shaft to intermittently rotate, so that the filter screen can uniformly filter gas, the filtering efficiency of the filter screen on the gas is improved, meanwhile, the rotation of the driving shaft can also drive the transmission assembly to move, the first shell and the second shell are driven by the transmission assembly to relatively move, so that a working area which can partially cover the wall of the filter screen can be formed on the filter screen, dust can be flushed out through the air flow flowing reversely, and then the dust can be collected through the second shell, so that the filter can partially clean the filter screen without stopping the machine, the performance of the filter screen is recovered, the filtering efficiency of the filter screen on the gas entering the vacuum pump is improved, the service life of the filter screen is prolonged, meanwhile, the dust generated during cleaning can be collected, the maintenance times of the filter screen are reduced, and the burden of workers is lightened.
In order to solve the problems in the prior art, the invention provides a vacuum pump air inlet filter with a self-cleaning function, which comprises a filter cylinder and a filter screen which is arranged in the filter cylinder and can rotate automatically, wherein the filter screen is of a cylindrical structure, and a driving shaft which drives the filter screen to rotate intermittently is arranged at the top of the filter cylinder; the inside and the outside of the filter screen are respectively provided with a first shell and a second shell; the filter screen comprises a first shell, a second shell, a filter screen wall, a driving assembly, a first shell, a second shell, a first shell and a second shell, wherein the driving assembly is arranged between the first shell and the second shell and is in driving connection with the driving shaft, the driving assembly is used for driving the first shell and the second shell to perform relative motion to clamp the filter screen wall, a working area which can be partially covered on the filter screen wall is formed, and air flow flowing from the first shell to the second shell is arranged in the working area.
Preferably, one side of the first shell and one side of the second shell, which are close to each other, are respectively of a semicircular arc structure matched with the filter screen, a plurality of air blowing holes for blowing air to the filter screen are formed in the first shell, a first pipeline penetrating through the bottom of the filter cartridge is arranged at the bottom of the first shell, and the first pipeline is communicated with an external air supply device.
Preferably, the bottom of the second shell is provided with a collecting tank, the bottom of the collecting tank is obliquely arranged, the second shell is provided with a second pipeline penetrating through the side wall of the filter cylinder, and the second pipeline is communicated with an external air suction device.
Preferably, the transmission assembly comprises a driving frame for driving the first shell and the second shell to move simultaneously, the driving frame can be arranged at the bottom of the filter cartridge in a sliding manner along the axial direction of the filter cartridge, inclined sliding grooves are formed in the side walls of the two sides of the first shell and the second shell, the sliding grooves in the first shell and the second shell are arranged in a mirror symmetry manner, and sliding rods which are respectively in sliding fit with the sliding grooves in the first shell and the second shell are arranged at the top of the driving frame.
Preferably, an elastic piece is arranged between the driving frame and the bottom of the filter cylinder, the transmission assembly further comprises a wedge block used for driving the driving frame to move, a second sliding bar extending radially is arranged at the bottom of the filter cylinder, the wedge block can be arranged on the second sliding bar in a sliding manner, and a rotating wheel is arranged on one side, close to the wedge block, of the driving frame.
Preferably, the transmission assembly further comprises a transmission shaft and a crank connecting rod assembly for driving the wedge block to move, the transmission shaft is rotatably arranged at the center of the bottom of the filter cylinder, the transmission shaft is coaxially arranged with the driving shaft, the transmission shaft is in transmission connection with the driving shaft, and the crank connecting rod assembly is sleeved on the transmission shaft and is in transmission connection with the transmission shaft.
Preferably, the top of drive shaft is provided with the rolling disc, is provided with a plurality of equidistance around in its axis's fixed axle on the rolling disc, and the side of rolling disc is provided with the driving disc, is provided with the actuating lever that can with the fixed axle butt on the driving disc.
Preferably, the driving disc is provided with a first limiting ring with the diameter matched with that of the driving rod, a notch for avoiding the driving rod is arranged on the first limiting ring, and after the driving rod is separated from the fixed shaft, the first limiting ring can rotate between two spaced fixed columns.
Preferably, the bottom of the filter cylinder is provided with a cover plate movably connected with the filter cylinder, the driving shaft is rotatably arranged on the cover plate, the driving shaft is sleeved in the driving shaft, and the driving shaft is of a hexagonal prism structure.
Preferably, the bottom of the cover plate is provided with a driving ring for driving the filter screen to rotate, the limiting ring is sleeved on the driving shaft and fixedly connected with the driving shaft, and the bottom of the filter cylinder is provided with a second limiting ring for limiting the filter screen.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the filter screen is driven by the driving shaft to intermittently rotate, so that the filter screen can uniformly filter gas, the filtering efficiency of the filter screen on the gas is improved, meanwhile, the rotation of the driving shaft can also drive the motion of the transmission assembly, the transmission assembly drives the first shell and the second shell to relatively move, so that the rotated filter screen is clamped to form a working area which can be partially covered on the wall of the filter screen, the working area is internally provided with air flow flowing from the first shell to the second shell, dust attached to the outer wall of the filter screen can be washed out through the air flow flowing reversely, so that the dust flows into the second shell, the dust falling off the filter screen is collected through the second shell, when the filter screen is driven by the driving shaft to rotate again, the first shell and the second shell are loosened to cover the filter screen, the air flow for washing the dust on the filter screen stops working, the filter screen can be locally cleaned under the condition of no shutdown, the performance of the filter screen is recovered, the filter screen is improved, the filtering efficiency of the air entering the vacuum pump of the filter screen is prolonged, meanwhile, the dust attached to the filter screen can be further cleaned by the filter screen, the dust can be further cleaned, and the dust attached to the filter screen is further reduced, and the dust is further cleaned, and the dust is further polluted, and the dust is prevented from the filter screen.
Drawings
Fig. 1 is a schematic perspective view of a vacuum pump air intake filter with self-cleaning function.
Fig. 2 is a schematic diagram showing a perspective structure of a vacuum pump air intake filter with self-cleaning function.
Fig. 3 is a schematic cross-sectional structure of a vacuum pump intake filter with self-cleaning function.
Fig. 4 is a schematic perspective view of the inside of a vacuum pump intake filter with self-cleaning function.
Fig. 5 is a schematic perspective view of a cover plate and a driving shaft in an intake filter of a vacuum pump having a self-cleaning function.
Fig. 6 is a schematic perspective view of a driving shaft and a driving disk in a vacuum pump air intake filter having a self-cleaning function.
Fig. 7 is a schematic perspective view of a driving shaft, a first housing and a second housing in an intake filter of a vacuum pump having a self-cleaning function.
Fig. 8 is a schematic perspective view of a first housing in a vacuum pump intake filter with self-cleaning function.
Fig. 9 is a schematic perspective view of a second housing in a vacuum pump intake filter with self-cleaning function.
Fig. 10 is a schematic perspective view of a driving frame in a vacuum pump air intake filter with self-cleaning function.
Fig. 11 is a top view of a cartridge in a vacuum pump intake filter with self-cleaning function.
The reference numerals in the figures are:
1-a filter cartridge; 11-air inlet; 12-an air outlet; 13-a first housing; 131-a blowhole; 132-a first conduit; 133-chute; 134-limit grooves; 14-a second housing; 141-a collection tank; 142-a second conduit; 15-a first slide; 16-cover plate; 161-driving ring; 17-a second limiting ring; 2-a filter screen; 21-a drive shaft; 211-rotating a disc; 2111-fixing shaft; 22-drive disk; 221-a drive rod; 222-a first stop collar; 2221-gap; 23-a transmission assembly; 231-a drive rack; 2311-a sliding bar; 2312-a guide bar; 2313-an elastic member; 2314-rotating wheels; 232-wedge blocks; 2321-a second slide; 233-a drive shaft; 234-crank-connecting rod assembly; 2341-mounting plate; 2342-a connecting shaft; 2343-connecting rod.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1 to 4: the utility model provides a vacuum pump air intake filter with self-cleaning function, includes and strains 1 and sets up in straining 1 and can autorotation filter screen 2, and filter screen 2 is cylindric structure, strains 1's top and is provided with drive shaft 21 that drives filter screen 2 intermittent type and rotates; the filter screen 2 is provided with a first shell 13 and a second shell 14 at the inner part and the outer part respectively; a transmission assembly 23 in transmission connection with the driving shaft 21 is arranged between the first shell 13 and the second shell 14, the transmission assembly 23 is used for driving the first shell 13 and the second shell 14 to perform relative motion to clamp the wall of the filter screen 2, a working area which can partially cover the wall of the filter screen 2 is formed, and air flow flowing from the first shell 13 to the second shell 14 is arranged in the working area.
An air inlet 11 is arranged on the side wall of the top of the filter cartridge 1, an air outlet 12 is arranged at the bottom of the filter cartridge 1, the air outlet 12 at the bottom of the filter screen 2 is firstly connected with a vacuum pump, the vacuum pump can drive air flow to flow from the air inlet 11 to the air outlet 12 after working, dust in the air can be blocked by the filter screen 2 in the air flowing process through the filter screen 2 arranged in the filter cartridge 1, because the air inlet 11 is positioned on the side wall of the filter cartridge 1, dust contained in the air can be mainly adhered to the outer wall of the filter screen 2 at one side close to the air inlet 11, the dust on the filter screen 2 can be gradually increased after a period of filtering, the filter screen 2 is driven to intermittently rotate through a driving shaft 21, the part of the filter screen 2, to which less dust is adhered, can be moved to the side of the air inlet 11, the air is filtered through the filter screen, the filter screen 2 can uniformly filter gas in an intermittent rotation mode, the filtering efficiency of the filter screen 2 on the gas is improved, but the dust on the filter screen 2 can influence the operation of a vacuum pump after being accumulated along with more dust, when the filter screen 2 is driven to intermittently rotate by the driving shaft 21, the driving shaft 21 can also drive the transmission component 23 which is in transmission connection with the driving shaft 21, the first shell 13 and the second shell 14 are driven to relatively move by the transmission component 23, so that the rotated filter screen 2 is clamped, a working area which can partially cover the wall of the filter screen 2 is formed, an air flow which flows from the first shell 13 to the second shell 14 is arranged in the working area, the dust attached to the outer wall of the filter screen 2 can be washed out by the air flow which flows reversely, so that the dust flows into the second shell 14, and the dust falling off the filter screen 2 is collected by the second shell 14, when the filter screen 2 is driven to rotate again by the driving shaft 21, the first shell 13 and the second shell 14 loosen the cover of the filter screen 2, the air flow used for flushing dust on the filter screen 2 stops working, the filter can clean part of the filter screen 2 under the condition of not stopping the machine, the performance of the filter screen 2 is recovered, the filtering efficiency of the filter screen 2 for air entering the vacuum pump is improved, the service life of the filter screen 2 is prolonged, meanwhile, when the filter screen 2 is cleaned, dust generated during cleaning can be collected, the cleaned dust can not scatter in the filter cylinder 1 again, the dust of the part is attached to the filter screen 2, the service life of the filter screen 2 is further prolonged, the maintenance times of the filter screen 2 are reduced, and the burden of workers is lightened.
As shown in fig. 1 to 4, 8 and 9: one side of the first shell 13 and one side of the second shell 14, which are close to each other, are respectively of a semicircular arc structure matched with the filter screen 2, a plurality of air blowing holes 131 for blowing air to the filter screen 2 are formed in the first shell 13, a first pipeline 132 penetrating through the bottom of the filter cartridge 1 is formed in the bottom of the first shell 13, and the first pipeline 132 is communicated with an external air supply device.
By starting the external air supply device, the air supply device supplies air flow into the first shell 13 from the first pipeline 132, the air enters a plurality of air blowing holes 131 through the first shell 13, the filter screen 2 is reversely flushed through the air blowing holes 131, so that dust attached to the filter screen 2 can be flushed down, the performance of the filter screen 2 is recovered, the plurality of air blowing holes 131 are preferably arranged in a rectangular array, the filter screen 2 can be cleaned more uniformly, the semicircular arc structures of the first shell 13 and the second shell 14 are used for being better attached to the wall of the filter screen 2, a better working area can be formed, the blown dust can be collected by the second shell 14, the blown dust is prevented from being re-introduced into the filter cartridge 1, and the air conveyed by the air supply device is high-pressure air, the falling rate of dust attached to the filter screen 2 can be improved through high-pressure gas, the electromagnetic valve is arranged between the first pipeline 132 and the first shell 13, when the first shell 13 does not work, the work of the vacuum pump cannot be influenced, the first pipeline 132 is preferably a telescopic corrugated pipe, the movement of the first shell 13 can be matched while the inner space of the filter cylinder 1 is reasonably utilized, the first pipeline 132 can be always connected with an air supply device, the first shell 13 and the second shell 14 can be provided with a contact sensor, and the automatic starting of the air supply device and the air charging device can be realized by mutually approaching the first shell 13 and the second shell 14 through the arrangement of the contact sensor, so that the cleaning is convenient, and the automation degree of equipment is improved.
As shown in fig. 1 to 4, 8 and 9: the bottom of the second housing 14 is provided with a collecting tank 141, the bottom of the collecting tank 141 is inclined, the second housing 14 is provided with a second pipe 142 penetrating through the sidewall of the filter cartridge 1, and the second pipe 142 is communicated with an external air suction device.
Through the setting of the collecting vat 141 of second casing 14, can collect the dust, because the bottom of collecting vat 141 sets up for the slope, make the dust can be better concentrated, can not fly away everywhere, through the setting of second pipeline 142 and outside getter device intercommunication, make the dust accumulation collect more time or when second casing 14 and first casing 13 carry out the centre gripping to filter screen 2, second casing 14 can directly absorb the dust that drops, collect the dust through outside getter device, it is to be noted, be provided with the solenoid valve between second pipeline 142 and the second casing 14, when second casing 14 is inoperative, can not influence the work of vacuum pump, second pipeline 142 is the bellows that can stretch out and draw back preferably, the motion of second casing 14 can be matchd in the time of the inner space of rational utilization filter cartridge 1, make second pipeline 142 can remain all the time with getter device's connection.
As shown in fig. 2 to 11: the transmission assembly 23 comprises a driving frame 231 for driving the first shell 13 and the second shell 14 to move simultaneously, the driving frame 231 can be arranged at the bottom of the filter cartridge 1 in a sliding manner along the axial direction of the filter cartridge 1, inclined sliding grooves 133 are formed in the side walls of the two sides of the first shell 13 and the second shell 14, the sliding grooves 133 in the first shell 13 and the second shell 14 are arranged in a mirror symmetry manner, and sliding rods 2311 which are respectively in sliding fit with the sliding grooves 133 in the first shell 13 and the second shell 14 are arranged at the top of the driving frame 231.
The bottoms of the first and second cases 13 and 14 are provided with a limit groove 134, the bottom of the filter cartridge 1 is provided with a first slide bar 15 matched with the limit groove 134, the driving frame 231 is provided with two guide components, each guide component comprises two guide rods 2312, the axes of the guide rods 2312 are parallel to the axis of the filter cartridge 1, all the guide rods 2312 penetrate through the bottom of the filter cartridge 1 and are in sliding fit with the filter cartridge 1, the slide rods 2311 are fixedly connected to the guide rods 2312, the axes of the slide rods 2311 are perpendicular to the axes of the guide rods 2312, the driving frame 231 slides along the axis direction of the filter cartridge 1 to drive the movement of the guide rods 2312, the movement of the guide rods 2311 is driven by the movement of the guide rods 2312, slide along spout 133 through slide bar 2311, because spout 133 on first casing 13 and the second casing 14 is mirror symmetry setting each other for first casing 13 and second casing 14 can slide along the direction of first draw runner 15 through spacing groove 134 is relative, thereby make first casing 13 and second casing 14 can be close to each other or keep away from along with the lift of drive frame 231, thereby realize centre gripping and unclamping filter screen 2, can realize the cleanness to filter screen 2 from this, be provided with the pulley on the slide bar 2311, through the pulley can be better with the spout 133 slip, reduce frictional force between the two, better drive first casing 13 and second casing 14 motion.
As shown in fig. 2 to 11: an elastic piece 2313 is arranged between the driving frame 231 and the bottom of the filter cartridge 1, the transmission assembly 23 further comprises a wedge block 232 used for driving the driving frame 231 to move, a second sliding bar 2321 extending radially is arranged at the bottom of the filter cartridge 1, the wedge block 232 is slidably arranged on the second sliding bar 2321, and a rotating wheel 2314 is arranged on one side, close to the wedge block 232, of the driving frame 231.
Through setting up of elastic component 2313 for the drive frame 231 has the driving force that always moves towards the bottom of straining a section of thick bamboo 1, and the one side that inclines on the wedge 232 is close to rotor 2314 one side, and when wedge 232 removed, wedge 232 and rotor 2314 contact, and the drive frame 231 removes along the one side of the slope of wedge 232 under the effect of elastic component 2313, thereby realizes that drive frame 231 slides along straining a section of thick bamboo 1's axis direction, drives first casing 13 and second casing 14 through the slip of drive frame 231 and can be close to each other or keep away from along with the lift of drive frame 231, thereby realizes carrying out centre gripping and unclamping to filter screen 2, thereby can realize the cleanness to filter screen 2.
As shown in fig. 2 to 11: the transmission assembly 23 further comprises a transmission shaft 233 and a crank connecting rod assembly 234 for driving the wedge block 232 to move, the transmission shaft 233 is rotatably arranged in the center of the bottom of the filter cartridge 1, the transmission shaft 233 is coaxially arranged with the driving shaft 21, the transmission shaft 233 is in transmission connection with the driving shaft 21, and the crank connecting rod assembly 234 is sleeved on the transmission shaft 233 and in transmission connection with the transmission shaft 233.
The crank connecting rod assembly 234 includes mounting dish 2341, connecting axle 2342 and connecting rod 2343, mounting dish 2341 cover is located on the transmission shaft 233 and rather than fixed connection, lead to connecting axle 2342 fixed connection on mounting dish 2341, the axis of connecting axle 2342 and the coaxial setting of axis of mounting dish 2341, one of them one end and connecting axle 2342 of connecting rod 2343 articulate, the other end and the wedge 232 of connecting rod 2343 articulate, the rotation of transmission shaft 233 rather than the transmission connection has been driven through the rotation of drive shaft 21, the rotation of drive shaft 233 has driven the rotation of mounting dish 2341, the rotation of connecting axle 2342 has driven the removal of connecting rod 2343 around the axis direction of mounting dish 2341, the removal of wedge 232 has been driven rather than articulated removal of connecting rod 2343, the removal through wedge 232 has driven the drive frame 231 along the axis direction of straining a jar 1 and has been lifted, thereby the relative motion of first casing 13 and second casing 14 rather than the transmission connection has been driven, through the above-mentioned mode, make first casing 13 and second casing 14 carry out the rotation of filter screen 2 with the local filter screen 2, the filter screen 2 can not be carried out the filter screen 2 is carried out to the filter screen 2, the filter screen 2 is cleaned with the filter screen 2, the filter screen 2 can not be carried out the local filter screen 2, the filter screen 2 is convenient to the service life is prolonged, and filter screen 2 can be carried out the filter screen 2.
As shown in fig. 1 to 7: the top of the driving shaft 21 is provided with a rotating disc 211, the rotating disc 211 is provided with a plurality of fixed shafts 2111 equidistantly encircling the axis thereof, the side of the rotating disc 211 is provided with a driving disc 22, and the driving disc 22 is provided with a driving rod 221 capable of abutting against the fixed shafts 2111.
The top of driving disk 22 is provided with the rotatory driving motor that is used for driving it pivoted, drive the rotation of driving disk 22 rather than the transmission connection through rotatory driving motor, driving disk 22 can drive actuating lever 221 and rotate around the axis direction of driving disk 22, can drive fixed axle 2111 when actuating lever 221 winds the side to fixed axle 2111, it rotates to drive the rotation disk 211 through the removal of fixed axle 2111, after actuating lever 221 is kept away from fixed axle 2111, thereby realize the intermittent type rotation of rotating disk 211, thereby realize the intermittent type rotation of drive shaft 21, can make filter screen 2 evenly filter gas through intermittent type rotation mode, improve filter screen 2 and to the filtration efficiency of gas, drive the motion of first casing 13 and second casing 14 simultaneously, realize cleaning to the part on the filter screen 2 under the circumstances of not shutting down.
As shown in fig. 1 to 7: the driving disc 22 is provided with a first limiting ring 222 with the diameter matched with that of the driving rod 221, the first limiting ring 222 is provided with a notch 2221 for avoiding the driving rod 221, and when the driving rod 221 is separated from the fixing shaft 2111, the first limiting ring 222 can rotate between two spaced fixing columns.
Through the setting of first spacing ring 222 for after actuating lever 221 and fixed axle 2111 separation, first spacing ring 222 can rotate to between the fixed column of two intervals, carries out spacingly to rolling disc 211 through first spacing ring 222, prevents that rolling disc 211's rotation can lead to first casing 13 and second casing 14 when being close to each other and contact not closely enough with filter screen 2, leads to the dust that collects in the second casing 14 to drift to in the filter cartridge 1, improves the stability of equipment.
As shown in fig. 1 to 7: the bottom of the filter cartridge 1 is provided with a cover plate 16 movably connected with the filter cartridge, a driving shaft 21 is rotatably arranged on the cover plate 16, the driving shaft 21 is sleeved in a driving shaft 233, and the driving shaft 21 is of a hexagonal prism structure.
Through the setting of apron 16 for filter screen 2 can be maintained to inside filter screen 2 that goes through opening apron 16, locate transmission shaft 233 inside through the cover of drive shaft 21, and drive shaft 21 is hexagonal prism's structure makes the getting of apron 16 put and can not influence the power transmission relation between the two, can not influence the operation of equipment when conveniently maintaining the filter inside.
As shown in fig. 1 to 7 and 11: the bottom of the cover plate 16 is provided with a driving ring 161 for driving the filter screen 2 to rotate, the limiting ring is sleeved on the driving shaft 21 and fixedly connected with the driving shaft, and the bottom of the filter cartridge 1 is provided with a second limiting ring 17 for limiting the filter screen 2.
The filter screen 2 can be driven to abut against the second limiting ring 17 through the arrangement of the driving ring 161, so that the driving ring 161 can be driven to rotate when the driving shaft 21 rotates, the filter screen 2 can be driven to rotate through the rotation of the driving shaft 21, the filter screen 2 can stably rotate in the filter cartridge 1 through the arrangement of the second limiting ring 17, a bearing can be arranged in the second limiting ring 17, the filter screen 2 can be more conveniently rotated, and the running stability of equipment is improved.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The utility model provides a vacuum pump air intake filter with self-cleaning function, includes and strains a section of thick bamboo (1) and sets up in straining a section of thick bamboo (1) and filter screen (2) that can autorotate, and filter screen (2) are cylindric structure, characterized in that, strain a section of thick bamboo (1) top and be provided with drive shaft (21) that drives filter screen (2) intermittent type rotation;
The inside and the outside of the filter screen (2) are respectively provided with a first shell (13) and a second shell (14);
A transmission assembly (23) in transmission connection with the driving shaft (21) is arranged between the first shell (13) and the second shell (14), the transmission assembly (23) is used for driving the first shell (13) and the second shell (14) to make relative movement to clamp the wall of the filter screen (2) to form a working area which can be partially covered on the wall of the filter screen (2), and air flow flowing from the first shell (13) to the second shell (14) is arranged in the working area.
2. A vacuum pump air intake filter with self-cleaning function according to claim 1, characterized in that the sides of the first housing (13) and the second housing (14) which are close to each other are respectively of semi-circular structures matched with the filter screen (2), a plurality of air blowing holes (131) for blowing air to the filter screen (2) are formed in the first housing (13), a first pipeline (132) penetrating through the bottom of the filter cartridge (1) is formed in the bottom of the first housing (13), and the first pipeline (132) is communicated with an external air supply device.
3. A vacuum pump air intake filter with self-cleaning function according to claim 1, characterized in that the bottom of the second housing (14) is provided with a collecting tank (141), the bottom of the collecting tank (141) is arranged obliquely, the second housing (14) is provided with a second pipe (142) penetrating through the side wall of the filter cartridge (1), and the second pipe (142) is communicated with an external air suction device.
4. Vacuum pump air intake filter with self-cleaning function according to claim 1, characterized in that the transmission assembly (23) comprises a driving frame (231) for driving the first housing (13) and the second housing (14) to move simultaneously, the driving frame (231) can be slidably arranged at the bottom of the filter cartridge (1) along the axial direction of the filter cartridge (1), inclined sliding grooves (133) are arranged on the side walls of the two sides of the first housing (13) and the second housing (14), the sliding grooves (133) on the first housing (13) and the second housing (14) are arranged in a mirror symmetry manner, and sliding rods (2311) which are slidably matched with the sliding grooves (133) on the first housing (13) and the second housing (14) are arranged at the top of the driving frame (231).
5. The vacuum pump air intake filter with self-cleaning function according to claim 4, wherein an elastic piece (2313) is arranged between the driving frame (231) and the bottom of the filter cartridge (1), the transmission assembly (23) further comprises a wedge block (232) for driving the driving frame (231) to move, a second sliding bar (2321) extending along the radial direction of the second sliding bar is arranged at the bottom of the filter cartridge (1), the wedge block (232) is slidably arranged on the second sliding bar (2321), and a rotating wheel (2314) is arranged on one side, close to the wedge block (232), of the driving frame (231).
6. The vacuum pump air intake filter with self-cleaning function according to claim 5, wherein the transmission assembly (23) further comprises a transmission shaft (233) and a crank connecting rod assembly (234) for driving the wedge block (232) to move, the transmission shaft (233) is rotatably arranged in the center of the bottom of the filter cylinder (1), the transmission shaft (233) is coaxially arranged with the driving shaft (21), the transmission shaft (233) is in transmission connection with the driving shaft (21), and the crank connecting rod assembly (234) is sleeved on the transmission shaft (233) and in transmission connection with the transmission shaft.
7. A vacuum pump air intake filter with self-cleaning function according to claim 1, characterized in that the top of the driving shaft (21) is provided with a rotating disc (211), the rotating disc (211) is provided with a plurality of fixed shafts (2111) equidistantly encircling the axis thereof, the side of the rotating disc (211) is provided with a driving disc (22), and the driving disc (22) is provided with a driving rod (221) capable of abutting against the fixed shafts (2111).
8. The vacuum pump air intake filter with the self-cleaning function according to claim 7, wherein the driving disc (22) is provided with a first limiting ring (222) with a diameter matched with that of the driving rod (221), a notch (2221) for avoiding the driving rod (221) is arranged on the first limiting ring (222), and when the driving rod (221) is separated from the fixed shaft (2111), the first limiting ring (222) can rotate between two spaced fixed columns.
9. The vacuum pump air intake filter with the self-cleaning function according to claim 5, wherein a cover plate (16) movably connected with the filter cartridge (1) is arranged at the bottom of the filter cartridge (1), a driving shaft (21) is rotatably arranged on the cover plate (16), the driving shaft (21) is sleeved in a driving shaft (233), and the driving shaft (21) is of a hexagonal prism structure.
10. A vacuum pump air intake filter with self-cleaning function according to claim 9, characterized in that the bottom of the cover plate (16) is provided with a driving ring (161) for driving the filter screen (2) to rotate, the limiting ring is sleeved on the driving shaft (21) and fixedly connected with the driving shaft, and the bottom of the filter cartridge (1) is provided with a second limiting ring (17) for limiting the filter screen (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410587038.7A CN118267809A (en) | 2024-05-13 | 2024-05-13 | Vacuum pump air inlet filter with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410587038.7A CN118267809A (en) | 2024-05-13 | 2024-05-13 | Vacuum pump air inlet filter with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118267809A true CN118267809A (en) | 2024-07-02 |
Family
ID=91648309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410587038.7A Withdrawn CN118267809A (en) | 2024-05-13 | 2024-05-13 | Vacuum pump air inlet filter with self-cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118267809A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118594142A (en) * | 2024-08-05 | 2024-09-06 | 中茧新科桑蚕生物产业有限公司 | An air dust removal device for industrial silkworm breeding workshop |
| CN119015804A (en) * | 2024-09-30 | 2024-11-26 | 广东乐臣卫生用品有限公司 | An air purification device used in diaper production workshop |
| CN119139832A (en) * | 2024-11-11 | 2024-12-17 | 武义县城南建筑工程有限公司 | Auxiliary dust falling device for municipal construction and application method of auxiliary dust falling device |
| CN119318830A (en) * | 2024-12-18 | 2025-01-17 | 浙江吉宝智能装备股份有限公司 | Machine tool chip filtering treatment device and method |
-
2024
- 2024-05-13 CN CN202410587038.7A patent/CN118267809A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118594142A (en) * | 2024-08-05 | 2024-09-06 | 中茧新科桑蚕生物产业有限公司 | An air dust removal device for industrial silkworm breeding workshop |
| CN118594142B (en) * | 2024-08-05 | 2024-10-22 | 中茧新科桑蚕生物产业有限公司 | An air dust removal device for industrial silkworm breeding workshop |
| CN119015804A (en) * | 2024-09-30 | 2024-11-26 | 广东乐臣卫生用品有限公司 | An air purification device used in diaper production workshop |
| CN119139832A (en) * | 2024-11-11 | 2024-12-17 | 武义县城南建筑工程有限公司 | Auxiliary dust falling device for municipal construction and application method of auxiliary dust falling device |
| CN119318830A (en) * | 2024-12-18 | 2025-01-17 | 浙江吉宝智能装备股份有限公司 | Machine tool chip filtering treatment device and method |
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Application publication date: 20240702 |