CN220969885U

CN220969885U - Multistage sieving mechanism is used in carborundum powder production

Info

Publication number: CN220969885U
Application number: CN202322782890.3U
Authority: CN
Inventors: 叶钢强; 叶金霖; 张丽
Original assignee: Danjiangkou Chengchang Industry And Trade Co ltd
Current assignee: Danjiangkou Chengchang Industry And Trade Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-17
Anticipated expiration: 2033-10-17

Abstract

The utility model discloses a multi-stage screening device for silicon carbide powder production, which belongs to the technical field of silicon carbide powder screening and comprises a screening box, wherein a feed inlet is formed in one side of the upper surface of the screening box, a dust collection assembly is arranged in the other side of the upper surface of the screening box, a moving assembly is arranged on one side of the screening box, a first blanking opening and a second blanking opening are respectively formed in the other side of the screening box, blanking plates are fixedly connected to the outer surfaces of the first blanking opening and the second blanking opening, a first collecting box is arranged at the other end of each blanking plate, the inner side wall of the first collecting box is fixedly connected with the outer side wall of the screening box, a filtering cover and a filtering plate are arranged in an inner cavity of the screening box, a vibration assembly is arranged on the lower surface of the filtering plate, a third blanking opening is arranged on the lower surface of the screening box, and a second collecting box is arranged under the third blanking opening, so that the working efficiency of the screening device is improved, and the working quality of the screening device is improved.

Description

Multistage sieving mechanism is used in carborundum powder production

Technical Field

The utility model relates to the technical field of silicon carbide powder screening, in particular to a multistage screening device for silicon carbide powder production.

Background

Silicon carbide is also called carborundum, in the non-oxide high-technology refractory raw materials such as C, N, B and the like, the silicon carbide is one of the most widely applied and economical refractory raw materials, and can be called as diamond grit or refractory sand, the silicon carbide needs to be manufactured into powder devices during production and processing, the silicon carbide micropowder is required to be screened after being ground, the grinding is required to be carried out again without meeting the specification, and the screening is to ensure that fine particle materials smaller than sieve holes in the materials penetrate through a sieve surface by utilizing the sieve, and coarse particle materials larger than the sieve holes are retained on the sieve surface, so that the process of separating coarse materials from fine materials is completed.

At present, the existing screening device can only carry out simple screening on silicon carbide powder, and the phenomenon that coarse particles and micro particles are still mixed in the screened silicon carbide powder is caused, so that the working efficiency of the screening device is influenced, and meanwhile, the silicon carbide powder is easy to mix with dust generated during production after screening, so that the screening quality of the silicon carbide powder is influenced.

According to publication No.: the utility model provides a silicon carbide pressureless powder large particle screening device, which comprises a vibrating screen, a large particle screening assembly, a feeding pipe and a splash guard, wherein the large particle screening assembly is positioned right above the vibrating screen, the upper end of the large particle screening assembly is fixedly connected with the feeding pipe, the splash guard is sleeved and connected with the feeding pipe, the splash guard is in a horn shape, and the bottom of the splash guard is adjacent to the screen surface of the large particle screening assembly. Through set up the splashproof and keep off the pipe on the inlet pipe, can prevent effectively that thick liquids whereabouts speed from being too fast, when leading to the macroparticle to fall on the macroparticle screening subassembly, macroparticle splashes on the shale shaker, causes the screen cloth to block up.

According to the screening device described above, when the silicon carbide powder is screened, simple screening can be performed, so that the phenomenon that coarse particles and micro particles are mixed after the screening is completed is caused, and meanwhile dust contained in the silicon carbide powder cannot be distinguished, so that the quality of the screened silicon carbide powder is influenced, the working efficiency of the screening device is influenced, and therefore, the multi-stage screening device for producing the silicon carbide powder is required to be provided.

Disclosure of utility model

The utility model aims to provide a multistage screening device for silicon carbide powder production, which is characterized in that silicon carbide powder is poured into the inner cavity of a grading box from a feed inlet, then a moving component is started to drive the silicon carbide powder to move, coarse particles and micro particles are distinguished through a filter cover during movement, the primarily screened silicon carbide powder falls onto a filter plate, a vibration component is started to vibrate the filter plate to realize secondary screening, and then a dust collection component is started to adsorb dust, so that the working efficiency of the screening device is improved, the quality of the screened silicon carbide powder is improved, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage sieving mechanism is used in carborundum powder production, includes the screening case, one side of screening case upper surface is provided with the feed inlet, the opposite side of screening case upper surface is provided with dust absorption subassembly, remove the subassembly is installed to one side of screening case, first feed opening and second feed opening have been seted up respectively to the opposite side of screening case, the equal fixedly connected with flitch down of surface of first feed opening and second feed opening, first collecting box is all installed to the other end of flitch down, the inside wall and the lateral wall fixed connection of screening case of first collecting box, the inner chamber of screening case is provided with filter mantle and filter, the lower surface of filter is provided with vibration subassembly, the lower surface of screening case is provided with the third feed opening, be provided with the second collecting box under the third feed opening.

Preferably, the dust collection assembly comprises a dust collector, the dust collector is fixedly connected to the upper surface of the screening box through a mounting plate, a dust collection pipe is communicated with a dust collection opening of the dust collector, the dust collection pipe penetrates through the screening box and is provided with a dust collection cover, the dust collection cover is located an inner cavity of the screening box, a dust discharge pipe is communicated with a dust discharge opening of the dust collector, a dust collection box is communicated with the other end of the dust discharge pipe, and the dust collection box is bolted to the outer side wall of the screening box through a fastening piece.

Preferably, the movable assembly comprises a first motor, the first motor is fixedly connected to the outer side wall of the screening box through a mounting plate, an output shaft of the first motor is fixedly connected with a rotary roller, the other end of the rotary roller is rotationally connected with the inner side wall of the screening box, and a material guiding plate is arranged on the outer surface of the rotary roller.

Preferably, the guide plate is spirally arranged on the outer surface of the rotary roller, the edge of the guide plate is attached to the surface of the filter cover, and one end of the filter cover is communicated with the first blanking opening.

Preferably, the vibration assembly comprises a second motor, the second motor passes through the lateral wall of mounting panel fixed connection at the screening case, the output shaft of second motor runs through screening case and fixedly connected with fixed block, the fixed block is oval form setting, be provided with the vibrations board directly over the fixed block, the through-hole has all been seted up around on vibrations board surface, the inner chamber grafting slip of vibrations board through-hole has the movable rod, the top of movable rod and the lower surface fixed connection of filter, the bottom fixedly connected with stopper of movable rod.

Preferably, a spring is sleeved on the outer surface of the movable rod, and the spring is positioned between the vibration plate and the filter plate.

Preferably, the symmetrical positions of the two sides of the filter plate are fixedly connected with sliding blocks, sliding grooves are formed in the positions, corresponding to the sliding blocks, of the inner side wall of the screening box, and one end of the filter plate is communicated with the second discharging opening.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides a multistage screening device for silicon carbide powder production, which can be used for primarily screening silicon carbide powder through the cooperation of a movable component and a filter cover, collecting screened coarse particles, and secondarily screening the primarily screened silicon carbide powder through the cooperation of a filter plate and a vibration component, so that the working efficiency of the screening device is improved, and the working quality of the screening device is improved.

2. The utility model provides a multistage screening device for silicon carbide powder production, which can adsorb dust in silicon carbide powder through the arrangement of a dust collection assembly, and prevent the dust from being mixed into the silicon carbide powder, thereby improving the quality of the screened silicon carbide powder and improving the production efficiency of the silicon carbide powder.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is a schematic structural view of a partial cross-sectional structure of the present utility model.

In the figure: 1. a screening box; 2. a feed inlet; 3. a dust collection assembly; 31. a dust collector; 32. a dust collection pipe; 33. a dust hood; 34. a dust exhaust pipe; 35. a dust collection box; 4. a moving assembly; 41. a first motor; 42. a rotating roller; 43. a material guide plate; 5. a first blanking port; 6. a second feed opening; 7. a blanking plate; 8. a first collection box; 9. a filter cover; 10. a filter plate; 11. a vibration assembly; 111. a second motor; 112. a fixed block; 113. a vibration plate; 114. a movable rod; 115. a limiting block; 12. a third feed opening; 13. a second collection box; 14. a spring; 15. a slide block; 16. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a multi-stage screening device for silicon carbide powder production, which comprises a screening box 1, wherein one side of the upper surface of the screening box 1 is provided with a feed inlet 2, the other side of the upper surface of the screening box 1 is provided with a dust collection assembly 3, one side of the screening box 1 is provided with a moving assembly 4, the other side of the screening box 1 is respectively provided with a first blanking opening 5 and a second blanking opening 6, the outer surfaces of the first blanking opening 5 and the second blanking opening 6 are fixedly connected with a blanking plate 7, the other ends of the blanking plates 7 are respectively provided with a first collecting box 8, the inner side wall of the first collecting box 8 is fixedly connected with the outer side wall of the screening box 1, the inner cavity of the screening box 1 is provided with a filter cover 9 and a filter plate 10, the lower surface of the filter plate 10 is provided with a vibration assembly 11, the lower surface of the screening box 1 is provided with a third blanking opening 12, and the right lower part of the third blanking opening 12 is provided with a second collecting box 13;

Pouring silicon carbide powder from feed inlet 2 to fall on filter mantle 9, start and remove subassembly 4 and drive the silicon carbide powder and remove to first feed opening 5, carry out preliminary screening through the filtration pore on the filter mantle 9 when the silicon carbide powder removes, then silicon carbide powder coarse grain flows into first collecting box 8 inner chamber through first feed opening 5, the silicon carbide powder after preliminary screening falls on filter 10 and starts vibration subassembly 11 and carries out secondary screening to the silicon carbide powder, coarse grain after the screening flows into first collecting box 8 through second feed opening 6 and collects, start dust collection subassembly 3 and adsorb the inside dust of silicon carbide powder when screening, thereby promote sieving mechanism's work efficiency, improve sieving mechanism's work quality, improve the quality of silicon carbide powder after the screening, promote the production efficiency of silicon carbide powder.

The dust collection assembly 3 comprises a dust collection machine 31, the dust collection machine 31 is fixedly connected to the upper surface of the screening box 1 through a mounting plate, a dust collection pipe 32 is communicated with a dust collection opening of the dust collection machine 31, the dust collection pipe 32 penetrates through the screening box 1 and is provided with a dust collection cover 33, the dust collection cover 33 is located in an inner cavity of the screening box 1, a dust discharge pipe 34 is communicated with a dust discharge opening of the dust collection machine 31, a dust collection box 35 is communicated with the other end of the dust discharge pipe 34, the dust collection box 35 is connected to the outer side wall of the screening box 1 in a bolting mode through a fastening piece, and the dust collection assembly 3 is started to provide driving force to adsorb dust in silicon carbide powder through the dust collection cover 33, and then the dust is discharged into the dust collection box 35 through the dust discharge pipe 34.

The moving assembly 4 comprises a first motor 41, the first motor 41 is fixedly connected to the outer side wall of the screening box 1 through a mounting plate, an output shaft of the first motor 41 is fixedly connected with a rotary roller 42, the other end of the rotary roller 42 is rotationally connected with the inner side wall of the screening box 1, a material guide plate 43 is arranged on the outer surface of the rotary roller 42, the first motor 41 is started to provide driving force to enable the rotary roller 42 to rotate, and the material guide plate 43 on the surface of the rotary roller 42 drives silicon carbide powder to move.

The guide plate 43 is the spiral setting at the surface of rotatory roller 42, and the edge of guide plate 43 is laminated with the surface of filter mantle 9, and the one end and the first feed opening 5 intercommunication of filter mantle 9 can make guide plate 43 rotate and drive the removal of carborundum powder case first feed opening 5 through the setting of guide plate 43.

The vibration assembly 11 comprises a second motor 111, the second motor 111 is fixedly connected to the outer side wall of the screening box 1 through a mounting plate, an output shaft of the second motor 111 penetrates through the screening box 1 and is fixedly connected with a fixing block 112, the fixing block 112 is in an elliptical shape, a vibration plate 113 is arranged right above the fixing block 112, through holes are formed in the periphery of the surface of the vibration plate 113, a movable rod 114 is inserted and slid into an inner cavity of the through hole of the vibration plate 113, the top end of the movable rod 114 is fixedly connected with the lower surface of the filter plate 10, a limiting block 115 is fixedly connected to the bottom end of the movable rod 114, the second motor 111 is started to provide driving force to drive the fixing block 112 to rotate, the vibration plate 113 can be repeatedly knocked through the fixing block 112, and the vibration plate 113 drives the filter plate 10 to vibrate to realize secondary screening of silicon carbide powder.

The spring 14 is sleeved on the outer surface of the movable rod 114, the spring 14 is positioned between the vibration plate 113 and the filter plate 10, and the vibration plate 113 is buffered from being contacted with the filter plate 10 through the arrangement of the spring 14, so that the service life of the vibration assembly 11 is prolonged.

The symmetrical positions of the two sides of the filter plate 10 are fixedly connected with sliding blocks 15, sliding grooves 16 are formed in positions, corresponding to the sliding blocks 15, of the inner side wall of the screening box 1, one end of the filter plate 10 is communicated with the second blanking opening 6, and the filter plate 10 can only move up and down to carry out secondary screening on silicon carbide powder when moving through the arrangement of the sliding blocks 15 and the sliding grooves 16.

When the device is specifically used, silicon carbide powder is poured from the feed inlet 2 onto the filter cover 9, the first motor 41 is started to provide driving force to enable the rotary roller 42 to rotate, the guide plate 43 on the surface of the rotary roller 42 drives the silicon carbide powder to move towards the first blanking opening 5, the silicon carbide powder is initially screened through the filter holes in the filter cover 9 when moving, coarse particles are brought into the first blanking opening 5 by the guide plate 43, the particles under the initial screening fall onto the filter plate 10, the second motor 111 is started to provide driving force to drive the fixed block 112 to rotate, the fixed block 112 is set through the shape, the fixed block 112 can be repeatedly knocked on the vibrating plate 113, the vibrating plate 113 is enabled to contact with the filter plate 10 to vibrate, secondary screening of the silicon carbide powder is achieved, the screened micro powder falls into the third blanking opening 12 through the filter opening on the filter plate 10, the second collecting box is used for collecting, the driving force is started to provide dust in the silicon carbide powder through dust suction in the dust suction machine 31 in the screening process, and then the dust is discharged into the inner cavity of the dust box 35 through the dust discharging pipe 34, accordingly, the working efficiency of the screening device is improved, the working quality of the screening device is improved, and the production quality of the silicon carbide powder is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a carborundum powder production is with multistage sieving mechanism, includes screening case (1), its characterized in that: one side of screening case (1) upper surface is provided with feed inlet (2), the opposite side of screening case (1) upper surface is provided with dust absorption subassembly (3), remove subassembly (4) are installed to one side of screening case (1), first feed opening (5) and second feed opening (6) have been seted up respectively to the opposite side of screening case (1), the equal fixedly connected with flitch (7) of surface of first feed opening (5) and second feed opening (6), first collecting box (8) are all installed to the other end of flitch (7), the lateral wall fixed connection of the inside wall of first collecting box (8) and screening case (1), the inner chamber of screening case (1) is provided with filter mantle (9) and filter (10), the lower surface of filter (10) is provided with vibrations subassembly (11), the lower surface of screening case (1) is provided with third feed opening (12), be provided with second collecting box (13) under third feed opening (12).

2. The multi-stage screening device for silicon carbide powder production according to claim 1, wherein: the dust collection assembly (3) comprises a dust collector (31), the dust collector (31) is fixedly connected to the upper surface of the screening box (1) through a mounting plate, a dust collection pipe (32) is communicated with a dust collection opening of the dust collector (31), the dust collection pipe (32) penetrates through the screening box (1) and is provided with a dust collection cover (33), the dust collection cover (33) is located an inner cavity of the screening box (1), a dust discharge opening of the dust collector (31) is communicated with a dust discharge pipe (34), a dust collection box (35) is communicated with the other end of the dust discharge pipe (34), and the dust collection box (35) is bolted to the outer side wall of the screening box (1) through a fastener.

3. The multi-stage screening device for silicon carbide powder production according to claim 1, wherein: the movable assembly (4) comprises a first motor (41), the first motor (41) is fixedly connected to the outer side wall of the screening box (1) through a mounting plate, an output shaft of the first motor (41) is fixedly connected with a rotary roller (42), the other end of the rotary roller (42) is rotatably connected with the inner side wall of the screening box (1), and a material guide plate (43) is arranged on the outer surface of the rotary roller (42).

4. A multi-stage screening apparatus for silicon carbide powder production according to claim 3, wherein: the material guide plate (43) is spirally arranged on the outer surface of the rotary roller (42), the edge of the material guide plate (43) is attached to the surface of the filter cover (9), and one end of the filter cover (9) is communicated with the first discharging opening (5).

5. The multi-stage screening device for silicon carbide powder production according to claim 1, wherein: the vibration assembly (11) comprises a second motor (111), the second motor (111) is fixedly connected to the outer side wall of the screening box (1) through a mounting plate, an output shaft of the second motor (111) penetrates through the screening box (1) and is fixedly connected with a fixing block (112), the fixing block (112) is arranged in an oval shape, a vibration plate (113) is arranged right above the fixing block (112), through holes are formed in the periphery of the surface of the vibration plate (113), a movable rod (114) is inserted into an inner cavity of the through hole of the vibration plate (113) and slides, the top end of the movable rod (114) is fixedly connected with the lower surface of the filter plate (10), and a limiting block (115) is fixedly connected to the bottom end of the movable rod (114).

6. The multi-stage screening device for silicon carbide powder production according to claim 5, wherein: the outer surface of the movable rod (114) is sleeved with a spring (14), and the spring (14) is positioned between the vibrating plate (113) and the filter plate (10).

7. The multi-stage screening device for silicon carbide powder production according to claim 1, wherein: the two symmetrical positions of the two sides of the filter plate (10) are fixedly connected with sliding blocks (15), sliding grooves (16) are formed in positions, corresponding to the sliding blocks (15), of the inner side wall of the screening box (1), and one end of the filter plate (10) is communicated with the second discharging opening (6).