CN213855566U - Screening device for concrete raw materials - Google Patents
Screening device for concrete raw materials Download PDFInfo
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- CN213855566U CN213855566U CN202022764060.4U CN202022764060U CN213855566U CN 213855566 U CN213855566 U CN 213855566U CN 202022764060 U CN202022764060 U CN 202022764060U CN 213855566 U CN213855566 U CN 213855566U
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- raw materials
- outer edge
- upper shell
- cylinder
- roller
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- 239000002994 raw material Substances 0.000 title claims abstract description 47
- 238000012216 screening Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000007873 sieving Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000013519 translation Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 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
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of the concrete apparatus for producing technique and specifically relates to a sieving mechanism for concrete raw materials. The device includes casing and lower casing, it is upper end open-ended rectangle structure to go up the casing, the casing is convergent toper structure down, be provided with the roll screening mechanism in the upper casing, the roll screening mechanism includes the cylinder, the apparatus further comprises a rotating shaft, bearing and motor, the cylinder transversely sets up, a plurality of sieve meshes have been seted up on the lateral wall of cylinder, both ends all are connected with the pivot about the cylinder, be provided with the bearing with pivot matched with on the lateral wall of upper casing, one of them pivot is connected with the motor that sets up in the upper casing outside after passing the bearing rather than corresponding, the motor drive pivot is rotatory, it is rotatory to drive the cylinder, the cylinder includes first barrel and second barrel that connects through the fastener, the top of going up the casing is provided with convenient to detach's capping mechanism. The utility model discloses the difficult jam of sieve mesh even the jam also can conveniently obtain the clearance in time, roll screening mechanism long service life, the screening efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of the concrete apparatus for producing technique and specifically relates to a sieving mechanism for concrete raw materials.
Background
Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. The term concrete generally refers to cement as a cementing material and sand and stone as aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering. The concrete raw materials need to be screened before concrete processing, so a screening device is needed.
The existing concrete screening device has a plurality of defects in use, such as: (1) large-particle raw materials are easily clamped in sieve pores of a sieve mesh in equipment, and the clamped large-particle raw materials are inconvenient to clean and influence the use of the sieve mesh; (2) the raw materials mainly rely on vibration screening in getting into equipment, and vibrating motor uses can cause the damage to the screen cloth after a period of time, and vibration screening's mode efficiency is slower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sieving mechanism for concrete raw materials overcomes the not enough of aforementioned prior art, and the sieve mesh is difficult for blockking up, even block up also can conveniently obtain the clearance in time, and screening mechanism long service life, screening efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is:
a screening device for concrete raw materials comprises an upper shell and a lower shell, wherein the upper shell is of a rectangular structure with an opening at the upper end, the lower shell is of a tapered conical structure, a rolling screening mechanism is arranged in the upper shell, the rolling screening mechanism comprises a roller, a rotating shaft, a bearing and a motor, the roller is transversely arranged, a plurality of screen holes are arranged on the side wall of the roller, the rotating shaft is connected with the left end and the right end of the roller, the bearing matched with the rotating shaft is arranged on the side wall of the upper shell, one of the rotating shafts penetrates through the corresponding bearing and then is connected with a motor arranged outside the upper shell, the motor drives the rotating shaft to rotate and drives the roller to rotate, the roller comprises an upper half cylinder body and a lower half cylinder body, a first outer edge is arranged at the lower end of the upper half cylinder body, a second outer edge is arranged at the upper end of the lower half cylinder body, the first outer edge and the second outer edge are connected through a fastener, and a capping mechanism convenient to disassemble is arranged at the top of the upper shell; the side wall of the lower shell is provided with a supporting leg, and the lowest end of the lower shell is provided with a discharge hole; when in use, the capping mechanism is opened, the fastening piece is loosened, the upper half barrel body is taken down, the raw material is poured into the lower half barrel body, the upper half barrel body is reinstalled, the capping mechanism is installed, the motor drives the rotating shaft to rotate and drives the roller to rotate, the raw material is stirred up and down in the rotating process of the roller, the part of the raw material with the particle size meeting the requirement leaks into the lower shell from the sieve mesh and is discharged from the discharge hole, the part of the raw material with the particle size not meeting the requirement is detained in the roller, because the roller rotates continuously, the raw material blocked in the sieve mesh falls under the influence of impact or gravity in the rolling process of the roller, therefore, the raw material can not be blocked in the sieve mesh for a long time generally, after the screening is finished, the capping mechanism is opened, the upper half barrel body is detached, the large-particle raw material in the lower half barrel body is taken out and the sieve mesh is cleaned, because a vibrating motor is not used, the sieve mesh can be cleaned in time, and the service life of the roller is long, compared with the common screening mode, the efficiency of the screening mode is greatly improved.
Further, the fastener includes threaded rod and nut, and the up end interval on the edge is provided with the threaded rod outside the second, and first outer edge is provided with a plurality of threaded rod perforation, and the threaded rod on the outer edge of second passes through the threaded rod perforation on first outer edge and passes through nut locking, and it can be with first barrel and the separation of second barrel to screw down the nut.
Furthermore, a lifting handle is arranged on the upper end face of the first outer edge, and after the nut is screwed off, the upper half cylinder body is lifted through the lifting handle.
Furthermore, the height of the upper half cylinder body is 0.4-0.6 times of that of the lower half cylinder body, so that large-particle raw materials in the roller can be conveniently taken out by an operator and sieve holes can be conveniently cleaned while the raw material containing capacity is improved.
Furthermore, the capping mechanism comprises an inserting plate, a limiting plate vertically arranged at one end of the inserting plate and a translation handle arranged on the limiting plate; the upper end of the inner wall of the upper shell is provided with a circle of slots, the upper end of the outer wall of the upper shell is provided with a through hole communicated with the slots of the inner wall, and the inserting plate penetrates through the through hole and is inserted into the slots.
Furthermore, the limiting plate is embedded with a first magnet piece on the end face close to the upper shell, the limiting plate is contacted with the side face of the upper shell when the plug board is completely inserted into the slot, a second magnet piece corresponding to the first magnet piece in position and size is embedded in the side face of the upper shell, and the position stability of the plug board is kept after the plug board is inserted into the slot through the arrangement of the first magnet piece and the second magnet piece.
Furthermore, a motor mounting plate is arranged on the side wall of the upper shell.
The utility model has the advantages that: compared with the prior art, the utility model discloses a screening device for concrete raw materials has following advantage: (1) the motor drive pivot is rotatory, it is rotatory to drive the cylinder, the rotatory process raw materials of cylinder are stirred from top to bottom, the part that the particle diameter meets the requirements leaks to the casing down from the sieve mesh in the raw materials, and discharge from the discharge gate, the part that the particle diameter does not meet the requirements is detained in the cylinder, because the cylinder is in continuous rotation, the raw materials of card in the sieve mesh receive impact or gravity's influence and drop in the in-process that rolls along with the cylinder, consequently generally can not block in the sieve mesh for a long time, after the screening, open the mechanism of capping, pull down first barrel, take out the large granule raw materials in the first barrel, and clear up the sieve mesh; (2) because do not use vibrating motor, the sieve mesh can in time be cleared up, consequently the long service life of cylinder, and the efficiency of this kind of screening mode has very big improvement than ordinary screening mode.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the capping mechanism after opening;
FIG. 3 is an enlarged schematic view of the rolling screening mechanism of the present invention;
the device comprises an upper shell 1, a lower shell 2, a roller 3, an upper half barrel 301, a lower half barrel 302, a first outer edge 303, a second outer edge 304, a threaded rod 305, a nut 306, a lifting handle 307, a rotating shaft 4, a motor 5, a sieve 6, a supporting leg 7, a discharge hole 8, a plug board 9, a limiting plate 10, a translation handle 11, a slot 12, a perforation 13 and a motor mounting plate 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1-3, a screening device for concrete raw materials comprises an upper casing 1 and a lower casing 2, wherein the upper casing 1 is of a rectangular structure with an open upper end, the lower casing 2 is of a tapered conical structure, a rolling screening mechanism is arranged in the upper casing 1, the rolling screening mechanism comprises a roller 3, a rotating shaft 4, bearings and a motor 5, the roller 3 is transversely arranged, a plurality of screen holes 6 are formed in the side wall of the roller 3, the rotating shaft 4 is connected to the left end and the right end of the roller 3, the bearings matched with the rotating shaft 4 are arranged on the side wall of the upper casing 1, one rotating shaft 4 penetrates through the corresponding bearing and then is connected with the motor 5 arranged outside the upper casing 1, the motor 5 drives the rotating shaft 4 to rotate and drives the roller 3 to rotate, the roller 3 comprises an upper half cylinder 301 and a lower half cylinder 302, a first outer edge 303 is arranged at the lower end of the upper half cylinder 301, the upper end of the lower cylinder body 302 is provided with a second outer edge 304, the first outer edge 303 and the second outer edge 304 are connected through a fastener, and the top of the upper shell 1 is provided with a capping mechanism convenient to detach; the side wall of the lower shell 2 is provided with a support leg 7, and the lowest end of the lower shell 2 is provided with a discharge hole 8; when in use, the capping mechanism is opened, the fastening piece is loosened, the upper half cylinder 301 is taken down, the raw material is poured into the lower half cylinder 302, the upper half cylinder 301 is reinstalled, the capping mechanism is installed, the motor 5 is started, the motor 5 drives the rotating shaft to rotate to drive the roller 3 to rotate, the raw material is stirred up and down in the rotating process of the roller 3, the part of the raw material with the qualified particle size leaks into the lower shell 2 from the sieve hole 6 and is discharged from the discharge hole 8, the part of the raw material with the unqualified particle size is detained in the roller 3 because the roller 3 rotates continuously, the raw material blocked in the sieve hole 6 falls under the influence of impact or gravity in the rolling process of the roller 3, therefore, the raw material can not be blocked in the sieve hole 6 for a long time generally, after the screening is finished, the capping mechanism is opened, the upper half cylinder 301 is detached, the large-particle raw material in the lower half cylinder 302 is taken out, the sieve hole 6 is cleaned, and a vibration motor is not used, the sieve pores 6 can also be cleaned in time, so that the service life of the roller 3 is long, and the efficiency of the screening mode is greatly improved compared with that of the common screening mode.
In this embodiment, the fastener includes a threaded rod 305 and a nut 306, the threaded rod 305 is arranged at intervals on the upper end surface of the second outer edge 304, the first outer edge 303 is provided with a plurality of threaded rod through holes, the threaded rod 305 on the upper end of the second outer edge 304 passes through the threaded rod through hole of the first outer edge 303 and then is locked by the nut 306, and the nut 306 is screwed down to separate the upper cylinder 301 from the lower cylinder 302.
In this embodiment, the upper end surface of the first outer edge 303 is provided with a lifting handle 307, and after the nut 306 is screwed down, the upper half cylinder 301 is lifted by the lifting handle 307.
In this embodiment, the height of the upper half cylinder 301 is 0.4-0.6 times of the height of the lower half cylinder 302, so that the large-particle raw materials in the drum can be conveniently taken out by an operator and the sieve holes 6 can be conveniently cleaned while the raw material containing capacity is increased.
In this embodiment, the capping mechanism includes an insert plate 9, a limiting plate 10 vertically disposed at one end of the insert plate 9, and a translation handle 11 disposed on the limiting plate 10; the upper end of the inner wall of the upper shell 1 is provided with a circle of slots 12, the upper end of the outer wall of the upper shell 1 is provided with a through hole 13 communicated with the slots 12 of the inner wall, and the inserting plate 9 penetrates through the through hole 13 and is inserted into the slots 12.
In this embodiment, the first magnet piece is embedded in the end surface of the limit plate 10 close to the upper housing 1, the limit plate 10 contacts with the side surface of the upper housing 1 when the insert plate 9 is completely inserted into the slot 12, the second magnet piece corresponding to the position and size of the first magnet piece is embedded in the side surface of the upper housing 1, and the position stability is maintained after the insert plate 9 is inserted into the slot 12 through the arrangement of the first magnet piece and the second magnet piece.
In this embodiment, a motor mounting plate 14 is disposed on a side wall of the upper housing 1.
The working principle is as follows: the utility model discloses a screening device for concrete raw materials, during the use, open the mechanism of capping, loosen the fastener, take off first barrel 301, the raw materials is poured into second barrel 302, first barrel 301 is installed again, the mechanism of capping is installed, starter motor 5, motor 5 drives the pivot rotation, it is rotatory to drive cylinder 3, the process raw materials of cylinder 3 rotation stirs from top to bottom, the part that the particle diameter meets the requirements in the raw materials leaks to lower casing 2 from sieve mesh 6, and discharge from discharge gate 8, the part that the particle diameter does not meet the requirements is detained in cylinder 3, because cylinder 3 is in continuous rotation, the raw materials of card in sieve mesh 6 receive the impact or the influence of gravity and drop in the process of rolling along with cylinder 3, therefore generally can not block in sieve mesh 6 for a long time, after the screening, open the mechanism of capping, first barrel 301, take off the large granule raw materials in second barrel 302, and clear up sieve mesh 6, because do not use vibrating motor, sieve mesh 6 also can in time be cleared up, consequently long service life of cylinder 3, the efficiency of this kind of screening mode has very big improvement than ordinary screening mode.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a sieving mechanism for concrete raw materials which characterized in that: the roller comprises an upper shell and a lower shell, wherein the upper shell is of a rectangular structure with an opening at the upper end, the lower shell is of a tapered conical structure, a rolling screening mechanism is arranged in the upper shell and comprises a roller, a rotating shaft, a bearing and a motor, the roller is transversely arranged, a plurality of sieve pores are formed in the side wall of the roller, the left end and the right end of the roller are connected with the rotating shaft, the bearing matched with the rotating shaft is arranged on the side wall of the upper shell, one rotating shaft penetrates through the bearing and then is connected with the motor arranged outside the upper shell, the roller comprises an upper half barrel and a lower half barrel, a first outer edge is arranged at the lower end of the upper half barrel, a second outer edge is arranged at the upper end of the lower half barrel, the first outer edge and the second outer edge are connected through fasteners, and a capping mechanism convenient to disassemble is arranged at the top of the upper shell; the lateral wall of the lower shell is provided with supporting legs, and the lowest end of the lower shell is provided with a discharge hole.
2. The screening apparatus for concrete raw materials according to claim 1, wherein: the fastener includes threaded rod and nut, and the up end interval on the outer edge of second is provided with the threaded rod, is provided with a plurality of threaded rod perforation on the first outer edge, and the threaded rod on the outer edge of second passes through the threaded rod perforation on first outer edge after and through nut locking.
3. The screening apparatus for concrete raw materials according to claim 1, wherein: and a lifting handle is arranged on the upper end surface of the first outer edge.
4. The screening apparatus for concrete raw materials according to claim 1, wherein: the height of the upper half cylinder body is 0.4-0.6 time of that of the lower half cylinder body.
5. The screening apparatus for concrete raw materials according to claim 1, wherein: the capping mechanism comprises an inserting plate, a limiting plate vertically arranged at one end of the inserting plate and a translation handle arranged on the limiting plate; the upper end of the inner wall of the upper shell is provided with a circle of slots, the upper end of the outer wall of the upper shell is provided with a through hole communicated with the slots of the inner wall, and the inserting plate penetrates through the through hole and is inserted into the slots.
6. The screening apparatus for concrete raw materials according to claim 5, wherein: the end face, close to the upper shell, of the limiting plate is embedded with a first magnet piece, the limiting plate is in contact with the side face of the upper shell when the inserting plate is completely inserted into the inserting groove, and the side face of the upper shell is embedded with a second magnet piece corresponding to the first magnet piece in position and size.
7. The screening apparatus for concrete raw materials according to claim 1, wherein: and a motor mounting plate is arranged on the side wall of the upper shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764060.4U CN213855566U (en) | 2020-11-25 | 2020-11-25 | Screening device for concrete raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764060.4U CN213855566U (en) | 2020-11-25 | 2020-11-25 | Screening device for concrete raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213855566U true CN213855566U (en) | 2021-08-03 |
Family
ID=77039416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022764060.4U Expired - Fee Related CN213855566U (en) | 2020-11-25 | 2020-11-25 | Screening device for concrete raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213855566U (en) |
-
2020
- 2020-11-25 CN CN202022764060.4U patent/CN213855566U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |