CN117415023A - Multistage screening machine for chemical materials - Google Patents

Multistage screening machine for chemical materials Download PDF

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Publication number
CN117415023A
CN117415023A CN202311418158.6A CN202311418158A CN117415023A CN 117415023 A CN117415023 A CN 117415023A CN 202311418158 A CN202311418158 A CN 202311418158A CN 117415023 A CN117415023 A CN 117415023A
Authority
CN
China
Prior art keywords
plate
fixedly connected
screen
inclined plane
middle shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311418158.6A
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Chinese (zh)
Inventor
段珊珊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202311418158.6A priority Critical patent/CN117415023A/en
Publication of CN117415023A publication Critical patent/CN117415023A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/55Cleaning with fluid jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/526Cleaning with brushes or scrapers with scrapers
    • B07B1/528Cleaning with brushes or scrapers with scrapers the scrapers being rotating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention relates to the technical field of chemical material screening, in particular to a chemical material multistage screening machine. The chemical material multi-stage screening machine comprises a base, a buffer spring, a mounting cylinder, an inclined plane bottom plate, a screen plate, a discharging guide frame and the like; a plurality of buffer springs are evenly fixedly connected on the base, a mounting cylinder is fixedly connected on the buffer springs, an inclined plane bottom plate is fixedly connected at the bottom of the mounting cylinder, a plurality of screen plates are evenly arranged in the mounting cylinder at intervals, the mesh number of the screen plates increases gradually from top to bottom, a plurality of discharging guide frames are communicated on the outer side wall of the mounting cylinder, and the positions of the discharging guide frames correspond to the positions of the screen plates/the inclined plane bottom plate. According to the invention, the middle shaft pipe is matched with the air pump, the ventilation plate is rotated at the bottom of the screen plate in the rotation process of the middle shaft pipe, the air outlet of the ventilation plate faces the bottom of the screen plate, and the air flow blows upwards so that particles blocked in the screen holes can be blown out through the air flow, thereby avoiding blocking, stacking and gathering.

Description

Multistage screening machine for chemical materials
Technical Field
The invention relates to the technical field of chemical material screening, in particular to a chemical material multistage screening machine.
Background
The material screening refers to an operation process of dividing materials with uneven granularity into various granularity levels by using a screen surface with holes; before the chemical powder material is used, the chemical powder material needs to be screened, so that the chemical powder material with different granularity levels is obtained, and the chemical powder material is used according to different use requirements.
In the screening process, the particle materials may be blocked on the sieve holes due to factors such as humidity, viscosity and particle shape, which reduces the screening efficiency and even makes the screening machine unable to work normally, and when the screening machine separates the particle materials, the uneven particle size distribution may occur, which leads to too many local particles of the screen or aggregation of particles together.
Disclosure of Invention
In order to overcome the defect that the existing screening machine is easy to block and gather in the screening process, the chemical material multistage screening machine is not easy to block materials.
The technical proposal is as follows: the utility model provides a multistage sieve separator of chemical material, the on-line screen storage device comprises a base, buffer spring, the installation section of thick bamboo, the inclined plane bottom plate, the screen plate, the ejection of compact guide frame, vibrating motor, driving motor, the center shaft tube, air pump and aeration board, even rigid coupling is a plurality of buffer springs on the base, rigid coupling installation section of thick bamboo on the buffer spring, the inner bottom rigid coupling inclined plane bottom plate in the installation section of thick bamboo, the interval evenly sets up a plurality of screen plates in the installation section of thick bamboo, the mesh number of screen plate increases gradually from top to bottom, switch on a plurality of ejection of compact guide frames on the installation section of thick bamboo lateral wall, the position that the ejection of compact guide frame located corresponds with screen plate/inclined plane bottom plate position, vibrating motor is installed to the inclined plane bottom plate bottom, be equipped with a cavity in the inclined plane bottom plate, rotate on the inclined plane bottom plate and connect the center shaft tube, the center shaft tube passes through the screen plate, the center shaft tube penetrates in the cavity of inclined plane bottom plate, driving motor's output shaft and center shaft tube are in cavity department rigid coupling, the air pump is installed to the bottom of the inclined plane bottom plate, the gas outlet and the cavity of air pump communicate with each other, and open on the center shaft tube lateral wall that is in cavity department, the air current gets into the center shaft tube, the center through the through, the rigid coupling aeration board on the center shaft tube, the panel on the center shaft tube, place is arranged in the screen bottom and the bottom on the bottom plate and the air outlet and the bottom at the bottom.
Further, the device also comprises a blocking component, and the blocking component is arranged on the mounting cylinder; the blocking component comprises a conical top cover, a spiral cover, an exhaust barrel, a box cover, a limiting plug pin, a curved poking rod and a blocking plate, wherein the conical top cover is fixedly connected to the mounting barrel, the conical top cover is in threaded connection with the spiral cover, a notch is formed in the conical top cover, the notch is hinged to the box cover, the exhaust barrel is connected to the conical top cover, the limiting plug pin is matched with the box cover for use, the curved poking rod is rotationally connected to the discharging guide frame, and the curved poking rod penetrates into the discharging guide frame and penetrates into the part fixedly connected with the blocking plate.
Further, the automatic feeding device also comprises an arc clamping plate, wherein the arc clamping plate is fixedly connected to the discharging guide frame, two grooves are formed in the arc clamping plate, and the curved poking rod is in matched contact with the grooves in the arc clamping plate.
Further, the ventilation plate also comprises an anti-seepage assembly, and the ventilation plate is provided with the anti-seepage assembly; the anti-seepage assembly comprises an outer frame, a rotating rod and inclined plates, wherein the outer frame is fixedly connected to the ventilation plate, the outer frame is positioned at the air outlet of the ventilation plate, the rotating rod is symmetrically and rotationally connected in the outer frame, the inclined plates are fixedly connected to the rotating rod, torsion springs are fixedly connected between the rotating rod and the outer frame, and the two inclined plates are mutually close to each other through the torsion springs.
Further, the scraper assembly is arranged on the middle shaft tube; the scraping assembly comprises a bevel scraper, a side wall scraper and a separation filter screen, wherein the bevel scraper is fixedly connected to the middle shaft tube, the bevel scraper is positioned above the screen plate and is contacted with the screen plate, one side of the bevel scraper is fixedly connected with the side wall scraper, the side wall scraper is contacted with the inner side wall of the mounting cylinder, and the separation filter screen is fixedly connected in the exhaust cylinder.
Further, the device also comprises a scraping assembly, and the scraping assembly is arranged in the exhaust barrel; the scraping assembly comprises a fixed ring, a fixed rod, a stirring block and a jacking ball, wherein the fixed ring is fixedly connected in the exhaust barrel, the fixed rod is connected to the fixed ring in a sliding manner, the jacking ball is fixedly connected to the bottom of the fixed rod, a spring is fixedly connected between the fixed rod and the fixed ring, the jacking ball is in contact with the separation filter screen, the stirring block is fixedly connected to the middle shaft pipe, and the stirring block is in matched contact with the separation filter screen.
Further, the screen also comprises an arc scraping plate, wherein the arc scraping plate is fixedly connected on the middle shaft tube and is in sliding contact with the top of the screen.
Further, the utility model also comprises a sealing gasket, and the gap of the conical top cover is provided with the sealing gasket to be matched with the box cover.
The beneficial effects are as follows:
1. according to the invention, the middle shaft pipe is matched with the air pump, the ventilation plate is rotated at the bottom of the screen plate in the rotation process of the middle shaft pipe, the air outlet of the ventilation plate faces the bottom of the screen plate, and the air flow blows upwards so that particles blocked in the screen holes can be blown out through the air flow, thereby avoiding blocking, stacking and gathering;
2. the anti-seepage assembly provided by the invention can cover the air outlet to prevent particles from entering the ventilation plate to cause blockage in the process that the ventilation plate does not blow air, and can use the air flow to prop open the inclined plate to open the air outlet to blow out air flow when blowing air;
3. the scraping assembly provided by the invention can scrape the particle materials accumulated on the screen plate and the inner side wall of the installation cylinder, and can be matched with the ventilation plate to keep the relaxation of the particle materials, so that the accumulation of some wet materials can be effectively avoided;
4. the arc scraping plate provided by the invention can continuously turn the granular materials on the screen so as to avoid the condition of rapid blockage.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a sectional mounting cylinder according to the present invention.
Fig. 3 is a schematic view of a partial perspective structure of the present invention.
Fig. 4 is a schematic perspective view of a blocking assembly according to the present invention.
FIG. 5 is a schematic perspective view of the present invention in a specific position of the permeation prevention package.
FIG. 6 is a schematic perspective view of an anti-infiltration assembly of the present invention.
Fig. 7 is a schematic perspective view of a scraping assembly according to the present invention.
Fig. 8 is a schematic perspective view of a scraping assembly of the present invention.
Fig. 9 is a schematic perspective view of an arc-shaped scraper and a gasket according to the present invention.
Part names and serial numbers in the figure: 1_base, 2_buffer spring, 3_mounting cylinder, 4_bevel bottom plate, 5_screen plate, 6_discharge guide frame, 7_vibration motor, 8_drive motor, 9_center shaft tube, 10_air pump, 11_vent plate, 121_conical top cap, 122_screw cap, 123_vent cylinder, 124_lid, 125_limit plug, 126_curved toggle rod, 127_blocking plate, 128_arc clamp plate, 131_outer frame, 132_rotating rod, 133_sloping plate, 141_bevel scraper, 142_side wall scraper, 143_blocking filter, 151_fixing ring, 152_fixing rod, 153_toggle block, 154_top ball, 16_arc scraper, 17_sealing gasket.
Detailed Description
The following describes in detail the preferred embodiments of the present invention with reference to the accompanying drawings.
Example 1: 1-3, including a base 1, a buffer spring 2, a mounting cylinder 3, an inclined plane bottom plate 4, a screen plate 5, a discharging guide frame 6, a vibration motor 7, a driving motor 8, a middle shaft tube 9, an air pump 10 and a ventilation plate 11, wherein the base 1 is uniformly and fixedly connected with a plurality of buffer springs 2, the buffer spring 2 is fixedly connected with the mounting cylinder 3, the inner bottom of the mounting cylinder 3 is fixedly connected with the inclined plane bottom plate 4, the materials which are sieved and fall at the bottommost are gathered together along the inclined plane, two screen plates 5 are uniformly arranged in the mounting cylinder 3 at intervals, the mesh number of the screen plates 5 is sequentially increased from top to bottom, the materials with the largest grain diameter are left at the uppermost layer, the materials with the smallest grain diameter are fallen at the bottommost, the three discharging guide frames 6 are connected on the outer side wall of the mounting cylinder 3, the positions of the discharging guide frames 6 are corresponding to the positions of the screen plates 5/the inclined plane bottom plate 4, the sieved materials are discharged and collected through a discharging guide frame 6, a vibrating motor 7 is arranged at the bottom of a mounting cylinder 3, the vibrating motor 7 vibrates at the bottom of the mounting cylinder 3 to sieve the granular materials with a sieve plate 5 in the mounting cylinder 3, a driving motor 8 is arranged at the bottom of an inclined plane bottom plate 4, a cavity is arranged in the inclined plane bottom plate 4, a middle shaft tube 9 is rotationally connected on the inclined plane bottom plate 4, the middle shaft tube 9 penetrates through the sieve plate 5, the middle shaft tube 9 penetrates into the cavity of the inclined plane bottom plate 4, an output shaft of the driving motor 8 is fixedly connected with the middle shaft tube 9 at the cavity, an air pump 10 is arranged at the lower part of the inclined plane bottom plate 4, an air outlet of the air pump 10 is communicated with the cavity, a through hole is formed in the side wall of the middle shaft tube 9 at the cavity, air flow enters the middle shaft tube 9 along the through hole, a ventilation plate 11 is fixedly connected on the middle shaft tube 9, the ventilation plate 11 is arranged at the bottom of the sieve plate 5 and the air outlet is upward, after the screen plate 5 is blocked or piled up by materials in the screening process, the middle shaft pipe 9 and the ventilation plate 11 can be driven by the driving motor 8 to rotate, the air pump 10 starts to work to spray air from the ventilation plate 11 along the cavity and the middle shaft pipe 9, and the sprayed air blows out particles blocked in the screen holes of the screen plate 5 to perform vibration screening again.
As shown in fig. 4, the device also comprises a blocking component, and the blocking component is arranged on the mounting cylinder 3; the blocking component comprises a conical top cover 121, a spiral cover 122, an exhaust barrel 123, a box cover 124, a limiting bolt 125, a curved poking rod 126 and a blocking plate 127, wherein the conical top cover 121 is connected with the mounting barrel 3 in a screwed mode through threads, the conical top cover 121 is used for preventing materials on the uppermost screen plate 5 from being blown out of the mounting barrel 3, the top of the conical top cover 121 is connected with the spiral cover 122 in a screwed mode, a notch is formed in the conical top cover 121, the notch is hinged to the box cover 124, the granular materials to be screened can be added into the mounting barrel 3 through the opening and closing box cover 124, meanwhile, the materials can be added inwards through the opening and closing box cover 124 through rotating the opening and closing box cover 124, the exhaust barrel 123 is connected to the conical top cover 121, blown out gas can be discharged from the exhaust barrel 123, the conical top cover 121 is provided with the limiting bolt 125 to be matched with the box cover 124, the opening and closing of the box cover 124 can be limited, the box cover 124 is kept to be tightly closed through the poking box cover 124, the curved rod 126 is connected to the top of the discharging guide frame 6 in a rotating mode, the curved rod 126 penetrates into the discharging guide frame 6, part of the fixedly connected plate 127 is matched with the blocking plate 6, the blocking plate 127 and the blocking plate can be matched with the discharging guide frame 6 in a size of the opening and closing guide frame 6, and the discharging guide frame can be opened and closed along the channel 6 when the opening and closing the discharging channel is opened and closed.
As shown in fig. 4, the discharging guide frame 6 further comprises an arc clamping plate 128, the arc clamping plate 128 is fixedly connected to the discharging guide frame 6, two grooves are formed in the arc clamping plate 128, the curved poking rod 126 is in matched contact with the grooves in the arc clamping plate 128, the arc clamping plate 128 has elasticity, when the curved poking rod 126 is clamped in the first groove, the inner channel of the discharging guide frame 6 is kept in a closed state, and when the curved poking rod 126 is clamped in the second groove, the inner channel of the discharging guide frame 6 is kept in an open state.
As shown in fig. 5 and 6, the ventilation board 11 further comprises an anti-seepage component; the anti-seepage assembly comprises an outer frame 131, a rotating rod 132 and an inclined plate 133, wherein the outer frame 131 is fixedly connected to the ventilation plate 11, the outer frame 131 is positioned at an air outlet of the ventilation plate 11, the rotating rod 132 is symmetrically and rotationally connected to the inner frame 131, the inclined plate 133 is fixedly connected to the rotating rod 132, a torsion spring is fixedly connected between the rotating rod 132 and the outer frame 131, the two inclined plates 133 are mutually close to each other through the torsion spring, specifically, when the two inclined plates 133 are mutually close to each other, the sieve plate 5 can be prevented from being filled with materials in the ventilation plate 11 in the sieving process, and when the ventilation plate 11 is used for jetting air, air pressure pushes the two inclined plates 133 which are mutually close to each other to be separated from each other.
As shown in fig. 7, the scraper assembly is further included, and the scraper assembly is arranged on the middle shaft tube 9; the scraping assembly comprises a bevel scraping plate 141, a side wall scraping plate 142 and a blocking filter screen 143, wherein the bevel scraping plate 141 is fixed on a central shaft pipe 9 through bolts, the bevel scraping plate 141 is positioned above the screen plate 5 and is in contact with the screen plate 5, one side of the bevel scraping plate 141 is fixedly connected with the side wall scraping plate 142, the side wall scraping plate 142 is in contact with the inner side wall of the mounting cylinder 3, the blocking filter screen 143 is fixedly connected in the exhaust cylinder 123, when the ventilation plate 11 dredges the screen plate 5, the blocking filter screen 143 can prevent particles of powder from being discharged along the exhaust cylinder 123, and the bevel scraping plate 141 and the side wall scraping plate 142 rotate along with the central shaft pipe 9, so that attached materials on the mounting cylinder 3 are scraped, and accumulated materials on the screen plate 5 are shoveled.
Example 2: on the basis of the embodiment 1, as shown in fig. 8, the device further comprises a scraping assembly, and the scraping assembly is arranged in the exhaust barrel 123; the scraping assembly comprises a fixed ring 151, a fixed rod 152, a stirring block 153 and a top ball 154, wherein the fixed ring 151 is fixedly connected in the exhaust barrel 123, the fixed rod 152 is connected to the fixed ring 151 in a sliding manner, the bottom of the fixed rod 152 is fixedly connected with the top ball 154, a spring is fixedly connected between the fixed rod 152 and the fixed ring 151, the top ball 154 is contacted with the blocking filter screen 143, the spring is used for keeping the fixed rod 152 to push the blocking filter screen 143 with the top ball 154, the stirring block 153 is connected to the middle shaft pipe 9 through a key, the stirring block 153 is matched with the blocking filter screen 143 for contact, the stirring block 153 has elasticity, and when the middle shaft pipe 9 rotates, the stirring block is contacted with the blocking filter screen 143, and particles attached to the blocking filter screen 143 are scraped and erased in the contact process, so that blocking of the blocking filter screen 143 is avoided.
As shown in fig. 9, the wet material sieving machine further comprises an arc scraper 16, wherein the arc scraper 16 is fixedly connected to the middle shaft pipe 9, the arc scraper 16 is in sliding contact with the top of the sieve mesh, and the arc scraper 16 continuously scrapes the materials on the sieve mesh plate 5 along with the rotation of the middle shaft pipe 9, so that some wet materials can be kept in a loose state, and accumulation in the vibration process is avoided.
As shown in fig. 9, the utility model also comprises a sealing gasket 17, wherein the sealing gasket 17 is arranged at the notch of the conical top cover 121 to be matched with the box cover 124, and the sealing gasket 17 can prevent powder materials from flowing out from the gap between the conical top cover 121 and the box cover 124.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.

Claims (10)

1. The utility model provides a multistage sieve separator of chemical material, including base (1), buffer spring (2), install a section of thick bamboo (3), inclined plane bottom plate (4) and screen panel (5), a serial communication port, still including ejection of compact guide frame (6), vibrations motor (7), driving motor (8), axis pipe (9), air pump (10) and aeration board (11), even rigid coupling a plurality of buffer spring (2) on base (1), rigid coupling install a section of thick bamboo (3) on buffer spring (2), bottom rigid coupling inclined plane bottom plate (4) in install a section of thick bamboo (3), the interval evenly sets up a plurality of screen panels (5) in install a section of thick bamboo (3), the mesh number of screen panel (5) increases gradually from top to bottom, switch on a plurality of ejection of compact guide frame (6) on install a section of thick bamboo (3) lateral wall, the position that ejection of compact guide frame (6) are located corresponds with screen panel (5)/inclined plane bottom plate (4) position, vibration motor (7) are installed to the bottom of inclined plane bottom plate (4), be equipped with a cavity in inclined plane bottom plate (4), rotate on inclined plane bottom plate (4) and connect in axis pipe (9) through the cavity (9), the output shaft of the driving motor (8) is fixedly connected with the middle shaft tube (9) at the cavity, an air pump (10) is arranged at the lower part of the inclined plane bottom plate (4), the air outlet of the air pump (10) is communicated with the cavity, a through hole is formed in the side wall of the middle shaft tube (9) at the cavity, air flow enters the middle shaft tube (9) along the through hole, an air ventilation plate (11) is fixedly connected on the middle shaft tube (9), and the air ventilation plate (11) is arranged at the bottom of the screen plate (5) and the air outlet is upward.
2. The chemical material multistage screening machine according to claim 1, further comprising a blocking assembly, wherein the blocking assembly is arranged on the mounting cylinder (3); the blocking assembly comprises a conical top cover (121), a spiral cover (122), an exhaust barrel (123), a box cover (124), a limiting bolt (125), a curved poking rod (126) and a blocking plate (127), wherein the conical top cover (121) is fixedly connected to the mounting barrel (3), the top of the conical top cover (121) is connected with the spiral cover (122) in a threaded manner, a notch is formed in the conical top cover (121), the box cover (124) is hinged to the notch, the conical top cover (121) is communicated with the exhaust barrel (123), the limiting bolt (125) is arranged on the conical top cover (121) and matched with the box cover (124), the curved poking rod (126) is connected to the discharging guide frame (6) in a rotating manner, and the curved poking rod (126) penetrates into the discharging guide frame (6) to be fixedly connected with the blocking plate (127).
3. The chemical material multistage screening machine according to claim 2, further comprising an arc-shaped clamping plate (128), wherein the arc-shaped clamping plate (128) is fixedly connected to the discharging guide frame (6), two grooves are formed in the arc-shaped clamping plate (128), and the curved poking rod (126) is in matched contact with the grooves in the arc-shaped clamping plate (128).
4. A machine for multistage screening of chemical materials according to claim 3, further comprising an impermeable module, the aeration panel (11) being provided with an impermeable module.
5. The chemical material multistage screening machine according to claim 4, wherein the anti-seepage assembly comprises an outer frame (131), a rotating rod (132) and inclined plates (133), the outer frame (131) is fixedly connected to the ventilation plate (11), the outer frame (131) is positioned at the air outlet of the ventilation plate (11), the rotating rod (132) is symmetrically and rotatably connected in the outer frame (131), the inclined plates (133) are fixedly connected to the rotating rod (132), torsion springs are fixedly connected between the rotating rod (132) and the outer frame (131), and the two inclined plates (133) are mutually leaned against each other through the torsion springs.
6. The chemical material multistage screening machine according to claim 5, further comprising a scraping assembly, wherein the scraping assembly is arranged on the middle shaft tube (9); the scraping assembly comprises a bevel scraper (141), a side wall scraper (142) and a blocking filter screen (143), wherein the bevel scraper (141) is fixedly connected to the middle shaft pipe (9), the bevel scraper (141) is positioned above the screen plate (5) and is in contact with the screen plate (5), the side wall scraper (142) is fixedly connected to one side of the bevel scraper (141), the side wall scraper (142) is in contact with the inner side wall of the mounting barrel (3), and the blocking filter screen (143) is fixedly connected to the exhaust barrel (123).
7. The machine of claim 6, further comprising a scraping assembly disposed within the exhaust stack (123).
8. The chemical material multistage screening machine according to claim 7, wherein the scraping assembly comprises a fixing ring (151), a fixing rod (152), a stirring block (153) and a top ball (154), the fixing ring (151) is fixedly connected in the exhaust barrel (123), the fixing rod (152) is connected to the fixing ring (151) in a sliding mode, the top ball (154) is fixedly connected to the bottom of the fixing rod (152), a spring is fixedly connected between the fixing rod (152) and the fixing ring (151), the top ball (154) is in contact with the blocking filter screen (143), the stirring block (153) is fixedly connected to the middle shaft tube (9), and the stirring block (153) is in matched contact with the blocking filter screen (143).
9. The chemical material multistage screening machine according to claim 8, further comprising an arc-shaped scraper (16), wherein the arc-shaped scraper (16) is fixedly connected to the middle shaft tube (9), and the arc-shaped scraper (16) is in sliding contact with the top of the screen.
10. The multi-stage screening machine for chemical materials according to claim 9, further comprising a sealing gasket (17), wherein the sealing gasket (17) is arranged at the notch of the conical top cover (121) to be matched with the box cover (124).
CN202311418158.6A 2023-10-30 2023-10-30 Multistage screening machine for chemical materials Pending CN117415023A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311418158.6A CN117415023A (en) 2023-10-30 2023-10-30 Multistage screening machine for chemical materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311418158.6A CN117415023A (en) 2023-10-30 2023-10-30 Multistage screening machine for chemical materials

Publications (1)

Publication Number Publication Date
CN117415023A true CN117415023A (en) 2024-01-19

Family

ID=89524370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311418158.6A Pending CN117415023A (en) 2023-10-30 2023-10-30 Multistage screening machine for chemical materials

Country Status (1)

Country Link
CN (1) CN117415023A (en)

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