CN220716577U - Screening device - Google Patents
Screening device Download PDFInfo
- Publication number
- CN220716577U CN220716577U CN202322316928.8U CN202322316928U CN220716577U CN 220716577 U CN220716577 U CN 220716577U CN 202322316928 U CN202322316928 U CN 202322316928U CN 220716577 U CN220716577 U CN 220716577U
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- China
- Prior art keywords
- screening
- grinding wheel
- fixed
- guiding
- conical
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- 238000012216 screening Methods 0.000 title claims abstract description 76
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000003082 abrasive agent Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 17
- 238000009795 derivation Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 7
- 239000010432 diamond Substances 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007873 sieving Methods 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model relates to the field of ceramic grinding wheel abrasives, in particular to a screening device, which comprises a feeding hopper for guiding the ceramic grinding wheel abrasives to a screening position, wherein a stirring mechanism for driving the ceramic grinding wheel abrasives to roll is arranged on the lower side of the feeding hopper, a supporting seat for supporting the whole structure is arranged on the outer side of the stirring mechanism, and a plurality of layers of vertically distributed screening mechanisms are arranged between the feeding hopper and the supporting seat. According to the utility model, the cone-shaped screening plates with a multi-layer structure are utilized to screen the ceramic grinding wheel abrasive, then the separated large-particle abrasive enters the guiding-out groove through the bottom of the annular cover, the screened abrasive is guided out through the inclined annular ring in the guiding-out groove, and then rapid separation screening is carried out according to different particle sizes, so that the whole screening times are reduced, and the screening efficiency is improved.
Description
Technical Field
The utility model relates to the field of ceramic grinding wheel abrasives, in particular to a screening device.
Background
The ceramic bond diamond grinding wheel has high strength, good heat resistance, sharp cutting, high grinding efficiency, difficult heating and blockage in the grinding process, and small thermal expansion amount, so as to control the machining precision. Compared with the resin bond grinding wheel, the resin bond grinding wheel solves the problems of low service life, low grinding efficiency and variability of the grinding tool in the grinding process. The ceramic grinding wheel combines the advantages of the diamond grinding wheel, is widely applied to the mechanical processing of high-hardness and brittle materials such as wafers (semiconductor silicon wafers and solar silicon wafers), diamond composite sheets, diamond polycrystalline, diamond cutters, cubic boron nitride, tungsten steel (hard alloy), novel engineering structural ceramics, precious stones, crystals, rare earth materials (magnetic materials) and the like in European and American developed countries immediately, and obtains good economic benefits;
the ceramic grinding wheel is required to screen the size of the grinding material during production, the existing screening device generally performs the function of separating the size particles through reciprocating swing, and meanwhile, the separated grinding material particles need to be taken out during current screening, so that screening treatment is convenient to perform again, the whole screening speed is reduced due to the mode, and the grinding materials stacked together cannot be uniformly distributed, so that the whole screening efficiency is affected.
Disclosure of Invention
The present utility model aims to solve the above problems by providing a screening device.
The utility model realizes the above purpose through the following technical scheme:
the sieving device comprises a feeding hopper for guiding the ceramic grinding wheel abrasive to a sieving position, wherein a stirring mechanism for driving the ceramic grinding wheel abrasive to roll is arranged on the lower side of the feeding hopper, a supporting seat for supporting the whole structure is arranged on the outer side of the stirring mechanism, and a plurality of layers of sieving mechanisms which are vertically distributed are arranged between the feeding hopper and the supporting seat;
the screening mechanism comprises an annular cover, a conical screening plate is fixed inside the annular cover, a positioning ring is fixed in the middle of the conical screening plate, limit rings are fixed at the top and the bottom of the annular cover respectively, a guiding-out groove is sleeved on the lower side of the annular cover, a discharging hopper is fixed on one side of the guiding-out groove, an annular ring with an inclined top is fixed inside the guiding-out groove, and the inclined surface of the top of the annular ring faces the direction of the discharging hopper.
Preferably: the center position of the feed hopper is provided with a material port for conveniently guiding the ceramic grinding wheel abrasive material to the center position of the conical screening plate.
Preferably: the discharge hoppers on the four guide-out grooves face different directions respectively.
Preferably: the annular cover bottom is close to the notch that is used for making things convenient for abrasive material after the screening to derive is offered to the position of derivation groove top, and four toper screening plates increase step by step from bottom to top sieve mesh.
Preferably: the stirring mechanism comprises a stirring motor, the stirring motor is fixed at the middle position inside the supporting seat, the stirring shaft penetrates through the centers of the four positioning rings, and four layers of stirring blades are fixed on the outer side of the stirring shaft.
Preferably: the stirring blades are mutually attached to the conical surfaces of the conical screening plates.
Compared with the prior art, the utility model has the following beneficial effects: utilize multilayer structure's toper screening board to carry out screening to ceramic grinding wheel abrasive material, then the large granule abrasive material that separates out enters into the derivation groove through annular cover bottom, comes the abrasive material that will screen out through the annular ring of the slope in the derivation groove to export, comes immediately to carry out quick separation screening according to different granule sizes, reduces whole screening number of times and improves screening efficiency then.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a screening apparatus according to the present utility model;
FIG. 2 is a cross-sectional view of a screening apparatus according to the present utility model;
FIG. 3 is a partial detail view of the stirring mechanism of a screening device according to the present utility model;
FIG. 4 is a partial detail view of an annular shroud of a screening apparatus according to the present utility model;
figure 5 is a partial detail view of the lead-out trough of a screening device according to the utility model.
The reference numerals are explained as follows:
1. a stirring mechanism; 2. a feed hopper; 3. a screening mechanism; 4. a support base; 11. a stirring motor; 12. a stirring shaft; 13. stirring the leaves; 31. a conical screening plate; 32. an annular cover; 33. a positioning ring; 34. a limit ring; 35. a lead-out groove; 36. and (5) discharging the hopper.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-5, the screening device comprises a feed hopper 2 for guiding the ceramic grinding wheel abrasive to a screening position, a stirring mechanism 1 for driving the ceramic grinding wheel abrasive to roll is arranged on the lower side of the feed hopper 2, a supporting seat 4 for supporting the whole structure is arranged on the outer side of the stirring mechanism 1, and a plurality of layers of screening mechanisms 3 which are vertically distributed are arranged between the feed hopper 2 and the supporting seat 4;
in this embodiment: the screening mechanism 3 comprises an annular cover 32, a conical screening plate 31 is fixed in the annular cover 32, a positioning ring 33 is fixed in the middle of the conical screening plate 31, a limit ring 34 is fixed at the top and the bottom of the annular cover 32 respectively, a guiding-out groove 35 is sleeved at the lower side of the annular cover 32, a discharging hopper 36 is fixed at one side of the guiding-out groove 35, an annular ring with an inclined top is fixed in the guiding-out groove 35, the inclined surface at the top of the annular ring faces the direction of the discharging hopper 36, a material opening for conveniently guiding the ceramic grinding wheel abrasive into the central position of the conical screening plate 31 is arranged at the central position of the feeding hopper 2, the discharging hoppers 36 on the four guiding-out grooves 35 face different directions respectively, notches for conveniently guiding out the screened abrasive are arranged at the positions, close to the top of the guiding-out groove 35, at the bottom of the annular cover 32, the four conical screening plates 31 are gradually increased from bottom to top in mesh, the grinding materials of the ceramic grinding wheels are led into the center position of the conical screening plate 31 at the uppermost layer by the feed hopper 2, then the grinding materials roll along the conical surface of the conical screening plate 31 to screen the grinding materials, then the grinding materials of large particles roll to the outer side position of the annular cover 32, the grinding materials of small particles fall onto the conical screening plate 31 at the next stage from the conical screening plate 31 to screen the grinding materials step by step, the separated grinding materials enter the lead-out groove 35 through the notch of the annular cover 32, the grinding materials entering the lead-out groove 35 are led into the discharge hopper 36 through the inclined surface at the top of the annular ring, and then the grinding materials are led out from four directions of the whole device.
In this embodiment: the stirring mechanism 1 comprises a stirring motor 11, the stirring motor 11 is fixed at the middle position inside the supporting seat 4, the stirring shaft 12 penetrates through the centers of four positioning rings 33, four layers of stirring blades 13 are fixed on the outer side of the stirring shaft 12, the stirring blades 13 are mutually attached to the conical surfaces of the conical screening plates 31, the stirring shaft 12 is driven to rotate by the stirring motor 11 in the screening process, the stirring blades 13 are driven to rotate on the conical surfaces by the rotation of the stirring shaft 12, abrasive particles which do not roll down along the conical screening plates 31 are stirred immediately, and the screening speed of the whole abrasive is accelerated.
Working principle: when the device is used, firstly, the ceramic grinding wheel abrasive to be screened is poured into the feed hopper 2, the ceramic grinding wheel abrasive is guided into the center position of the conical screening plate 31 at the uppermost layer by utilizing the feed hopper 2, the abrasive falling onto the conical screening plate 31 at the moment rolls along the conical surface of the ceramic grinding wheel abrasive to screen the ceramic grinding wheel abrasive, then the large-particle abrasive rolls to the outer side position of the annular cover 32, the small-particle abrasive falls onto the conical screening plate 31 at the next stage from the conical screening plate 31, then the abrasive is screened step by step, the separated abrasive enters the guiding-out groove 35 through the notch of the annular cover 32, and the abrasive entering the guiding-out groove 35 is guided into the discharging hopper 36 through the inclined surface at the top of the annular ring and is guided out from four directions of the whole device; and the conical screening plate 31 at the lowest layer falls out to the bottom of the whole device directly after screening;
in the screening process, the stirring motor 11 is utilized to drive the stirring shaft 12 to rotate, the stirring blades 13 are driven to rotate on the conical surface through the rotation of the stirring shaft 12, abrasive particles which do not roll down along the conical screening plate 31 are stirred immediately, and then the screening speed of the whole abrasive is accelerated.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The utility model provides a screening plant, is including being used for leading-in feeder hopper (2) to screening position with ceramic grinding wheel abrasive material, feeder hopper (2) downside is provided with rabbling mechanism (1) that are used for driving ceramic grinding wheel abrasive material and roll, rabbling mechanism (1) outside is equipped with supporting seat (4) that are used for supporting whole structure, its characterized in that: the screening device also comprises a plurality of layers of screening mechanisms (3) which are vertically distributed between the feed hopper (2) and the supporting seat (4);
screening mechanism (3) are including annular cover (32), annular cover (32) inside is fixed with toper screening board (31), toper screening board (31) intermediate position is fixed with holding ring (33), annular cover (32) top and bottom are fixed with spacing collar (34) respectively, annular cover (32) downside cover has derivation groove (35), derivation groove (35) one side is fixed with out hopper (36), derivation groove (35) inside is fixed with the annular circle of top slope, and the inclined plane at annular circle top is towards the direction of out hopper (36).
2. A screening device according to claim 1, characterized in that: the center position of the feed hopper (2) is provided with a material port for conveniently guiding the ceramic grinding wheel abrasive into the center position of the conical screening plate (31).
3. A screening device according to claim 1, characterized in that: the discharge hoppers (36) on the four guide grooves (35) face different directions respectively.
4. A screening device according to claim 1, characterized in that: the bottom of the annular cover (32) is close to the top of the guiding-out groove (35) and is provided with a notch for guiding out the abrasive materials after screening conveniently, and the four conical screening plates (31) are gradually increased from bottom to top.
5. A screening device according to claim 1, characterized in that: the stirring mechanism (1) comprises a stirring motor (11), the stirring motor (11) is fixed at the middle position inside the supporting seat (4), the stirring shaft (12) penetrates through the centers of four positioning rings (33), and four layers of stirring blades (13) are fixed on the outer side of the stirring shaft (12).
6. A screening device according to claim 5, wherein: the stirring blades (13) are mutually attached to the conical surfaces of the conical screening plates (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322316928.8U CN220716577U (en) | 2023-08-28 | 2023-08-28 | Screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322316928.8U CN220716577U (en) | 2023-08-28 | 2023-08-28 | Screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220716577U true CN220716577U (en) | 2024-04-05 |
Family
ID=90488463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322316928.8U Active CN220716577U (en) | 2023-08-28 | 2023-08-28 | Screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220716577U (en) |
-
2023
- 2023-08-28 CN CN202322316928.8U patent/CN220716577U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |