CN221387367U - Concrete screening plant - Google Patents
Concrete screening plant Download PDFInfo
- Publication number
- CN221387367U CN221387367U CN202323331968.6U CN202323331968U CN221387367U CN 221387367 U CN221387367 U CN 221387367U CN 202323331968 U CN202323331968 U CN 202323331968U CN 221387367 U CN221387367 U CN 221387367U
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- China
- Prior art keywords
- screening
- concrete
- cylinder
- screening cylinder
- knocking
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- 238000012216 screening Methods 0.000 title claims abstract description 137
- 239000000463 material Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 239000002002 slurry Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a concrete screening device, which relates to the technical field of concrete screening and comprises a support frame and a screening cylinder rotatably arranged on the support frame; a pushing spiral blade is fixed on the inner wall of the screening cylinder; a returning spiral blade is arranged in the screening cylinder; the spiral direction of the returning spiral blade is opposite to the spiral direction of the pushing spiral blade. The application has the effect of enabling concrete to be screened more fully.
Description
Technical Field
The utility model relates to the technical field of concrete screening, in particular to a concrete screening device.
Background
Concrete slurry is generally an artificial stone formed by mixing cement (cementing material) and sand, stone (granular aggregate) and water (which can contain additives and admixtures) according to a certain proportion, stirring and curing and hardening. The concrete has the characteristics of high compressive strength, good durability, wide strength grade range and the like, so that the concrete is widely applied to civil engineering and construction engineering. In the manufacture of aerated bricks, the concrete slurry is required to be relatively fine, so that the concrete slurry needs to be filtered by a screening cylinder. In the filtering process, the side wall of the screening cylinder is of a porous structure, slurry is filled in the screening cylinder, the screening cylinder continuously rotates, spiral blades are arranged on the inner wall of the screening cylinder for enabling concrete to be convenient to discharge and fully overturn, when the concrete is filled in the screening cylinder from a feeding port in the concrete screening process, the concrete is pushed to the tail end through the spiral blades, and the concrete cannot be returned in time, so that the concrete is piled up at the tail end of the screening device.
Disclosure of utility model
The utility model provides a concrete screening device, which aims to solve the problem that when concrete is pushed to the tail end from a feed inlet by a warning spiral blade in the process of screening the concrete, the concrete cannot be returned in time to be accumulated at the tail end of the screening device.
To achieve the purpose, the utility model adopts the following technical scheme:
The utility model provides a concrete screening device which comprises a support frame and a screening cylinder rotatably arranged on the support frame, wherein the support frame is provided with a plurality of support frames; a pushing spiral blade is fixed on the inner wall of the screening cylinder; a returning spiral blade is arranged in the screening cylinder; the spiral direction of the returning spiral blade is opposite to the spiral direction of the pushing spiral blade.
By adopting the scheme as follows: when the screening cylinder rotates positively, the pushing screw blade is used for controlling concrete to push to the tail end of the screening cylinder from one end of the feed inlet in the screening cylinder, so that the concrete moves in the screening cylinder, when the concrete is piled up at one end of the screening cylinder and contacts with the returning screw blade, the returning screw blade enables the concrete to move reversely, so that the concrete moves towards the feed inlet in time, thereby reducing the pile up of the concrete at one end of the screening device, and simultaneously enabling the concrete to circulate in the screening cylinder under the action of the pushing screw blade and the returning screw blade, so that the concrete is screened more fully.
Further, a rotating bracket which enables the screening cylinder to be rotationally connected with the supporting frame is fixed on the inner side of the screening cylinder; the rotary support comprises a rotary shaft rotatably arranged on the support frame and a plurality of support plates, one ends of the support plates are fixedly connected with the rotary shaft, and the other ends of the support plates are fixedly connected with the inner wall of the screening cylinder; the material returning spiral blade is fixed on the rotating shaft.
By adopting the scheme as follows: through set up a plurality of one ends and pivot fixed connection in the pivot, the other end is used for screening a section of thick bamboo inner wall fixed connection's backup pad, can produce stable holding power to a screening section of thick bamboo, makes the steady rotation of a screening section of thick bamboo at the in-process of rotating the pivot.
Further, a knocking component is arranged on the supporting frame; the knocking component comprises a rotating shaft rotatably arranged at the top end of the supporting frame, a driving component used for driving the rotating shaft to rotate and a knocking arm connected to the rotating shaft.
By adopting the scheme as follows: the driving component drives the rotating shaft to rotate, and the knocking arm knocks the screening cylinder, so that the concrete adhered to the screening cylinder and the concrete clamped in the holes of the screening cylinder are separated from the screening cylinder in time.
Further, the driving assembly comprises a moment disc arranged on the rotating shaft and a stretching cylinder arranged on the moment disc; one end of the stretching cylinder is rotationally connected with the moment disk, and the other end of the stretching cylinder is hinged with the supporting frame.
By adopting the scheme as follows: the stretching cylinder rotates through the telescopic belt power moment disc to enable the rotating shaft to rotate, so that the knocking arm is controlled to overturn, the screening cylinder is knocked, vibration is generated by the screening cylinder, and concrete adhered to the screening cylinder is separated from the screening cylinder.
Further, the knocking block is fixed at one end of the knocking arm far away from the rotating shaft.
By adopting the scheme as follows: the knocking block is fixed at one end of the knocking arm far away from the rotating shaft, the counterweight is added in the overturning process of the knocking arm, and larger impact force is generated under the action of inertia, so that the screening cylinder generates larger vibration.
Further, rubber pads are arranged on the knocking blocks and the screening cylinder.
By adopting the scheme as follows: the rigid impact between the knocking block and the screening cylinder can be reduced by fixing a rubber pad on one side of the knocking block connected with the knocking cylinder.
Further, a material guide plate is arranged at the position, close to the discharging position of the screening cylinder, of the supporting frame.
By adopting the scheme as follows: and when the sieving cylinder discharges materials, the sieved concrete slag is put into the material guide plate and discharged, so that the adhesion of the concrete slag on the supporting frame is reduced.
Further, a material receiving box is arranged right below the screening cylinder.
By adopting the scheme as follows: the material receiving box receives the sieved concrete, and when the material receiving box is full, the material receiving box can be replaced by a new material receiving box.
The beneficial effects are that:
When the screening cylinder rotates positively, the pushing spiral blade is used for controlling concrete to push from one end of the feeding port to the tail end of the screening cylinder in the screening cylinder, so that the concrete moves in the screening cylinder.
Drawings
FIG. 1 is a schematic view of the overall structure of a concrete screening apparatus according to the present utility model;
FIG. 2 is a schematic view of the overall structure of a concrete screening apparatus according to the present utility model;
FIG. 3 is a schematic view of a concrete screening plant rapping assembly of the present utility model;
Fig. 4 is a schematic view of a concrete screening apparatus screening drum structure according to the present utility model.
Reference numerals in the drawings:
1. A support frame; 2. a sieving cylinder; 3. a striking assembly; 4. a rotating shaft; 5. a drive assembly; 51. a moment disk; 52. a stretching cylinder; 6. a knocking arm; 7. knocking the block; 8. a rubber pad; 9. a rotating bracket; 91. a rotating shaft; 92. a support plate; 10. a material guide plate; 11. pushing the spiral leaves; 12. returning material spiral leaves; 13. and (5) receiving a material box.
Detailed Description
The following further describes the technical solution of the present utility model by means of specific embodiments in conjunction with fig. 1-4.
As shown in fig. 1 and fig. 2, the concrete screening device provided in this embodiment includes a support frame 1, a screening cylinder 2 rotatably installed on the support frame 1 for screening concrete, and a knocking component 3 installed on the upper end of the support frame 1 and used for knocking the screening cylinder 2, wherein a pushing spiral blade 11 is fixed on the inner wall of the screening cylinder 2, a returning spiral blade 12 is fixed on the outer wall of a rotating shaft 91, and the threads of the pushing spiral blade 11 and the returning spiral blade 12 are reversed. After the concrete is added into the screening cylinder 2, the screening cylinder 2 rotates, the pushing spiral blade 11 and the returning spiral blade 12 are synchronously driven to rotate, the pushing spiral blade 11 fixed on the inner wall of the screening cylinder 2 pushes the concrete to the tail end of the screening cylinder 2 from the direction of the feed inlet, when the concrete reaches the tail end and is piled up at the tail end and then is connected with the returning spiral blade 12, the spiral direction of the returning spiral blade 12 is opposite to that of the pushing spiral blade 11, the returning spiral blade 12 pushes the concrete reversely, so that the concrete is promoted to move reversely in the screening cylinder 2, the concrete is circulated in the screening cylinder 2, and the concrete is fully turned in the screening cylinder 2, so that more sufficient screening is achieved.
When screening is finished, the concrete remained in the screening cylinder 2 of the counter-rotating screening cylinder 2 is pushed to a feed inlet from the tail end of the screening cylinder 2 under the action of pushing screw blades 11, and is discharged from the feed inlet to a material guide plate 10.
The side wall of the screening cylinder 2 is uniformly provided with holes, slurry is filled into the screening cylinder 2, small particles can be screened out from the side wall of the screening cylinder 2, and large particles are retained in the screening cylinder 2. The knocking component 3 is used for knocking the side wall of the sieving cylinder 2 so as to reduce the blocking of holes of the sieving cylinder 2 by large-particle sand.
When screening section of thick bamboo 2 rotates the in-process, constantly sieves the thick liquids, beats the subassembly 3 and installs in support frame 1 upper end, can beat screening section of thick bamboo 2 from screening section of thick bamboo 2 upside, beats back screening section of thick bamboo 2 and produces the vibration, makes the concrete that glues on screening section of thick bamboo 2 inner wall and block in screening section of thick bamboo 2 hole separate with screening section of thick bamboo 2, and then reduces the condition of jam.
As shown in fig. 3, the striking assembly 3 includes a rotating shaft 4 rotatably installed at the top end of the supporting frame 1, a driving assembly 5 for driving the rotating shaft 4 to rotate, and a striking arm 6 connected to the rotating shaft 4, the striking arm 6 being installed in plurality at intervals along the axial direction of the rotating shaft 4. The driving assembly 5 includes a moment disk 51 mounted on the rotation shaft 4 and a tension cylinder 52 mounted on the moment disk 51; one end of the stretching cylinder 52 is rotatably connected with the moment disk 51, and the other end is hinged with the support frame 1.
When the stretching cylinder 52 is contracted, the torque plate 51 with power rotates, the rotating shaft 4 rotates positively, the knocking arm 6 is lifted, and when the stretching cylinder 52 is extended, the rotating shaft 4 rotates reversely, so that the knocking arm 6 moves downwards and knocks on the outer wall of the screening cylinder 2, the screening cylinder 2 is impacted, the screening cylinder 2 vibrates, and the concrete adhered to the screening cylinder 2 is separated from the screening cylinder 2.
Further, in order to improve the knocking effect, a knocking block 7 is fixed at one end, far away from the rotating shaft 4, of the knocking arm 6, the knocking block 7 can increase the counterweight of the knocking arm 6, and can generate larger impact force under the action of inertia, so that the screening cylinder 2 generates larger vibration, and concrete adhered to the screening cylinder 2 and sand clamped in holes of the screening cylinder 2 are thoroughly separated from the screening cylinder 2.
As shown in fig. 3, a rubber pad 8 for reducing the rigid impact between the knocking block 7 and the sieving cylinder 2 is fixed on the side of the knocking block 7 contacting the sieving cylinder 2; when the knocking block 7 collides with the screening cylinder 2, the knocking block 7 has certain buffering, and the rigid collision between the knocking block 7 and the screening cylinder 2 is reduced, so that the surface of the screening cylinder 2 is damaged.
As shown in fig. 4, a rotary bracket 9 for rotatably connecting the screening cylinder 2 with the support frame 1 is fixed on the inner side of the screening cylinder 2; the rotary bracket 9 comprises a rotary shaft 91 rotatably installed on the support frame 1 by means of bearings and the like, and a plurality of support plates 92 with one ends fixedly connected with the rotary shaft 91 and the other ends fixedly connected with the inner wall of the screening cylinder 2; the support plate 92 is uniformly fixed with a plurality of support plates along the circumferential direction of the rotating shaft 91, thereby generating stable support force to the sieving cylinder 2 and enabling the sieving cylinder 2 to rotate stably.
As shown in fig. 1, a material guiding plate 10 is installed at a position of the support frame 1, which is close to the discharging position of the screening cylinder 2, the material guiding plate 10 is in an arc-shaped structure, the screened material in the screening cylinder 2 is discharged along the material guiding plate 10, so that the material is easier to collect, and the adhesion of concrete on the support frame 1 is reduced.
As shown in fig. 2, a receiving box 13 for receiving the concrete after sieving is placed right under the sieving cylinder 2; the sieved concrete falls into the material receiving box 13 through the holes on the sieving cylinder 2, and when the material receiving box 13 is full of the sieved concrete, the empty material receiving box 13 can be replaced.
Working principle:
When the screening cylinder 2 rotates, concrete stays at the lower side of the screening cylinder 2 under the action of gravity, part of concrete is adhered to the inner wall of the screening cylinder 2, and the knocking component 3 is arranged at the upper end of the supporting frame 1 and can knock the screening cylinder 2 from the upper side of the screening cylinder 2; in the knocking process, the stretching cylinder 52 contracts, the traction moment disk 51 rotates, the rotating shaft 4 rotates positively, the knocking arm 6 is lifted, the stretching cylinder 52 stretches, the rotating shaft 4 rotates reversely, the knocking arm 6 turns over, the knocking of the screening cylinder 2 is completed, and the driving assembly 5 drives the rotating shaft 4 to rotate, so that the knocking arm 6 knocks the screening cylinder 2; a knocking block 7 is fixed at one end of the knocking arm 6 far away from the rotating shaft 4, and the knocking block 7 is added with the counterweight of the knocking arm 6, so that larger impact force can be generated under the action of inertia; a rubber pad 8 for reducing rigid impact between the knocking block 7 and the screening cylinder 2 is fixed on one side of the knocking block 7 connected with the screening cylinder 2; a rubber pad 8 is fixed on the knocking block 7, and when the knocking block 7 impacts the screening cylinder 2, certain buffering exists, so that damage caused by impact on the surface of the screening cylinder 2 is reduced;
After the concrete is added into the screening cylinder 2, the screening cylinder 2 rotates positively, the pushing spiral blade 11 rotates simultaneously with the returning spiral blade 12, the pushing spiral blade 11 fixed on the inner wall of the screening cylinder 2 pushes the concrete from the direction of the feed inlet to the tail end of the screening cylinder 2, when the concrete reaches the tail end and is piled up at the tail end and then is connected with the returning spiral blade 12, the spiral direction of the returning spiral blade 12 is opposite to that of the pushing spiral blade 11, and the returning spiral blade 12 pushes the concrete reversely, so that the concrete is promoted to move reversely in the screening cylinder 2, the concrete is fully overturned in the screening cylinder 2, and the concrete is screened more fully.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A concrete screening device comprises a support frame (1) and a screening cylinder (2) rotatably arranged on the support frame (1); the method is characterized in that: a pushing spiral blade (11) is fixed on the inner wall of the screening cylinder (2); a returning spiral blade (12) is arranged in the screening cylinder (2); the spiral direction of the returning spiral blade (12) is opposite to the spiral direction of the pushing spiral blade (11).
2. A concrete screening apparatus according to claim 1, wherein: a rotary bracket (9) which enables the screening cylinder (2) to be rotationally connected with the supporting frame (1) is fixed on the inner side of the screening cylinder (2); the rotary support (9) comprises a rotary shaft (91) rotatably arranged on the support frame (1) and a plurality of support plates (92) with one ends fixedly connected with the rotary shaft (91) and the other ends fixedly connected with the inner wall of the screening cylinder (2); the material returning spiral blade (12) is fixed on the rotating shaft (91).
3. A concrete screening apparatus according to claim 1, wherein: a knocking component (3) is arranged on the supporting frame (1); the knocking component (3) comprises a rotating shaft (4) rotatably arranged at the top end of the supporting frame (1), a driving component (5) for driving the rotating shaft (4) to rotate and a knocking arm (6) connected to the rotating shaft (4).
4. A concrete screening apparatus according to claim 3, wherein: the driving assembly (5) comprises a moment disc (51) mounted on the rotating shaft (4) and a stretching cylinder (52) mounted on the moment disc (51); one end of the stretching air cylinder (52) is rotationally connected with the moment disk (51), and the other end of the stretching air cylinder (52) is hinged with the supporting frame (1).
5. A concrete screening apparatus according to claim 3, wherein: one end of the knocking arm (6) far away from the rotating shaft (4) is fixed with a knocking block (7).
6. A concrete screening apparatus according to claim 5, wherein: the knocking block (7) is provided with a rubber pad (8).
7. A concrete screening apparatus according to claim 2, wherein: the support frame (1) is provided with a material guide plate (10) at a position close to the discharging position of the screening cylinder (2).
8. A concrete screening apparatus according to claim 1, wherein: a material receiving box (13) is arranged under the screening cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323331968.6U CN221387367U (en) | 2023-12-06 | 2023-12-06 | Concrete screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323331968.6U CN221387367U (en) | 2023-12-06 | 2023-12-06 | Concrete screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221387367U true CN221387367U (en) | 2024-07-23 |
Family
ID=91936887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323331968.6U Active CN221387367U (en) | 2023-12-06 | 2023-12-06 | Concrete screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221387367U (en) |
-
2023
- 2023-12-06 CN CN202323331968.6U patent/CN221387367U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |