CN214637989U - Concrete raw material conveying and screening device - Google Patents
Concrete raw material conveying and screening device Download PDFInfo
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- CN214637989U CN214637989U CN202120937892.3U CN202120937892U CN214637989U CN 214637989 U CN214637989 U CN 214637989U CN 202120937892 U CN202120937892 U CN 202120937892U CN 214637989 U CN214637989 U CN 214637989U
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- screening
- conveying
- net
- opening
- screening net
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- 238000012216 screening Methods 0.000 title claims abstract description 154
- 239000002994 raw material Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims 1
- 238000007873 sieving Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000004568 cement Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model relates to a concrete raw materials carries sieving mechanism, including fixing subaerial screening case, slope upwards set up the screening net and the feeder hopper of intercommunication setting at screening case upper end in the screening case, the opening has been seted up to the lower tip of screening case, the discharge gate of feeder hopper is close to the lower tip of screening net, be provided with in the screening case and be used for carrying the raw materials of screening net lower extreme to the transport assembly of screening net upper end, the position that is close to screening net upper end in the screening incasement is provided with water conservancy diversion spare. The application has the effect of improving the screening quality of the raw materials.
Description
Technical Field
The application relates to the field of concrete preparation equipment, in particular to a concrete raw material conveying and screening device.
Background
Concrete is a generic term for engineering composites where aggregates are cemented into a whole by cementitious materials. The concrete is cement concrete which is prepared by using cement as a cementing material and sand and stone as aggregates and mixing the cement concrete and water (which may contain an additive and an admixture) according to a certain proportion and stirring, and is also called common concrete, and is widely applied to civil engineering.
In the process of prefabricating the concrete, a plurality of working procedures are required, and strict requirements on the particle size of stones, gravels and the like are met, otherwise, the production quality of the concrete cannot meet the use requirements. The screening of concrete raw materials is an important process for preparing concrete, the screen is a main part for screening the raw materials at present, the screen is usually obliquely arranged, the raw materials enter from the upper end of the screen, stones roll down under the action of gravity, qualified raw materials pass through the screen holes of the screen, and the rest raw materials are unqualified raw materials.
In view of the above-mentioned related technologies, the inventor believes that, in the process of rolling the raw material on the screen, because the speed of rolling the raw material is high, part of qualified raw material may not pass through the screen holes of the screen, and then the raw material is screened as unqualified raw material, thereby reducing the screening quality of the raw material.
Disclosure of Invention
In order to improve the screening quality of raw materials screening, this application provides a screening device is carried to concrete raw materials.
The application provides a pair of concrete raw materials carries sieving mechanism adopts following technical scheme:
the utility model provides a screening device is carried to concrete raw materials, upwards sets up the screening net and the feeder hopper that the intercommunication set up at screening case upper end at subaerial screening case, slope including fixing, the opening has been seted up to the lower tip of screening case, the discharge gate of feeder hopper is close to the lower tip of screening net, be provided with in the screening case and be used for carrying the raw materials of screening net lower extreme to the transport assembly of screening net upper end, the position that is close to screening net upper end in the screening incasement is provided with water conservancy diversion spare.
Through adopting above-mentioned technical scheme, when needs filter the raw materials, start conveying assembly, then put into the feeder hopper with the raw materials, raw materials in the feeder hopper falls into the downward one side of sieve screen slope, conveying assembly carries the raw materials of sieve screen lower extreme to the upper end of sieve screen, conveying assembly is in transportation process, the raw materials that accord with specification size enter into the lower tip of screening case by the sieve mesh of sieve screen, the raw materials that do not accord with specification size fall into the water conservancy diversion spare under conveying assembly's propelling movement, the raw materials is in the screening process, can be abundant screen by the sieve screen, the screening quality of sieving mechanism to the raw materials has been improved.
Preferably, the conveying assembly comprises a conveying frame fixed in the screening box, a conveying chain rotationally arranged on the conveying frame and arranged along the length direction of the screening net, a plurality of conveying plates fixed on the conveying chain at intervals and a driving assembly fixed on the screening box and used for driving the conveying chain to rotate, the conveying plates are perpendicular to the screening net, and when the conveying plates are located above the screening net, the conveying plates slide and abut against the upper end face of the screening net.
Through adopting above-mentioned technical scheme, when needs start conveying assembly, start drive assembly, drive assembly drives and carries the chain to rotate, carries the chain to drive the delivery board and rotates together, and when the delivery board was inconsistent with the up end of screening net, the delivery board promoted the raw materials rebound on the screening net, until the delivery board remove to the upper end of screening net can, realized carrying the raw materials of tip under the screening net to the upper end of screening net.
Preferably, the driving assembly comprises a driving chain wheel which is rotatably arranged at the upper end and the lower end of the conveying frame and is respectively meshed with the teeth of the conveying chain, and a driving motor which is fixed on the screening box and is coaxially connected with the driving chain.
Through adopting above-mentioned technical scheme, when needs start drive assembly, start driving motor, driving motor drives the sprocket and rotates, carries the chain to rotate under the restriction of two sprockets, simple structure, and the practicality is high.
Preferably, the conveying frame is provided with a baffle on one side close to the screening net, the baffle is arranged along the length direction of the screening net, and the middle part of the baffle is abutted against the screening net.
Through adopting above-mentioned technical scheme, the setting of baffle has effectually avoided the raw materials on the screen cloth to fall into on carrying the chain, has played the effect of a protection to carrying the chain.
Preferably, the water conservancy diversion spare is including fixing the guide plate in the screening case, the guide plate is located the screening net upper end and deviates from the one side of lower tip, the guide plate inclines downwardly extending outside the screening case, the upper end of guide plate is vertical just to the upper end of screening net, and the guide plate is located the below of delivery board.
Through adopting above-mentioned technical scheme, the raw materials that do not conform to specification size on the screen cloth falls into the guide plate, then removes the screening case through the guide plate, has realized the separation of the big or small raw materials of different specifications.
Preferably, the articulated buffer board that is provided with in discharge gate department of feeder hopper, the slope of buffer board is downward and contradict on the screen cloth.
Through adopting above-mentioned technical scheme, the raw materials of feeder hopper enters into the screen cloth under the guide of buffer board on, has reduced the impact force of raw materials to the screen cloth to the buffer board is articulated with the feeder hopper, does not influence the removal of delivery board.
Preferably, the lower end part of the screening box is conical, the lower opening of the screening box is obliquely arranged, and the opening and closing assembly is arranged at the lower opening of the screening box.
Through adopting above-mentioned technical scheme, screening case toper sets up, and qualified raw materials in the assurance screening incasement can all flow by the under shed, opens and close the setting of subassembly, has made things convenient for opening and close of staff's control screening case ejection of compact.
Preferably, the opening and closing assembly comprises an opening and closing door arranged at the lower end of the screening box in a sliding mode and an opening and closing cylinder fixed on the screening box and fixedly connected with the opening and closing door, and the opening and closing door can be driven to open or close the lower opening of the screening box by the extension and retraction of a piston rod of the opening and closing cylinder.
Through adopting above-mentioned technical scheme, open and close the cylinder through the start-up, can control the opening and close of screening case under shed to through the flexible length of control open and close cylinder piston rod, can control the size that the screening case under shed opened, realize controlling the unloading speed of screening case.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement of the screening device ensures that the raw materials can be screened by the screening net fully in the screening process, thereby improving the screening quality of the raw materials by the screening device;
2. due to the arrangement of the baffle, raw materials on the screening net are effectively prevented from falling onto the conveying chain, and the conveying chain is protected;
3. the setting of opening and close the subassembly has not only made things convenient for the staff to control opening and close of the screening case ejection of compact, can control the size that the screening case under shed opened moreover, realizes controlling the unloading speed of screening case.
Drawings
Fig. 1 is an overall view of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Fig. 3 is a schematic view of a delivery assembly embodied in an embodiment of the present application.
Description of reference numerals: 1. a screening box; 2. screening a net; 3. a feed hopper; 31. a buffer plate; 4. a delivery assembly; 41. a carriage; 42. a conveying chain; 43. a conveying plate; 44. a drive assembly; 441. a sprocket; 442. a drive motor; 45. a baffle plate; 5. an opening and closing assembly; 51. opening and closing the door; 52. opening and closing the air cylinder; 6. a flow guide member; 61. a baffle.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses concrete raw materials carries sieving mechanism. Referring to fig. 1 and 2, the sieving mechanism includes screening case 1, the screen cloth 2, feeder hopper 3, conveying component 4 and open and close subassembly 5, screening case 1 is fixed subaerial, the lower tip of screening case 1 sets up to the toper, the opening has been seted up to the bottom of screening case 1, open and close subassembly 5 is used for controlling opening and close of screening case 1 under shed, screening net 2 is located the upper end of screening case 1, and screening net 2 slope upwards sets up, feeder hopper 3 intercommunication sets up the upper end at screening case 1, and the discharge gate of feeder hopper 3 is vertical just to the position that is close to the lower tip to screening net 2, conveying component 4 sets up in screening case 1, a raw materials for with screening net 2 tip under the tip is carried to the upper end of screen cloth 2.
The lower opening of screening case 1 slopes to set up downwards, open and close subassembly 5 including open and close door 51 and open and close cylinder 52, open and close door 51 and slide and set up on the lateral wall of screening case 1, through sliding open and close door 51, open and close door 51 can close the lower opening of screening case 1, open and close cylinder 52 and fix on the lateral wall of screening case 1 along the slip direction of open and close door 51, and open and close cylinder 52's piston rod and open and close door 51 fixed connection, open and close cylinder 52 through the start, can realize opening and close of screening case 1 lower opening.
As shown in fig. 2 and 3, the conveying assembly 4 includes a conveying frame 41, a conveying chain 42, a conveying plate 43 and a driving assembly 44, the conveying frame 41 is fixed in the screening box 1, the conveying frame 41 is located on two sides of the screening net 2 which is inclined upwards, the conveying chain 42 is rotatably arranged on the conveying frame 41, the conveying chain 42 is arranged along the length direction of the screening net 2 which is inclined upwards, a plurality of conveying plates 43 are arranged, the plurality of conveying plates 43 are respectively fixed on the conveying chain 42 at intervals, the conveying plates 43 are arranged perpendicular to the screening net 2, when the conveying plates 43 are located above the screening net 2, the conveying plates 43 slide against the upper end surface of the screening net 2, a baffle 45 is fixed on one side of the conveying frame 41 close to the screening net 2, the baffle 45 is arranged along the length direction of the screening net 2, and the middle part of the baffle 45 is abutted against the screening net 2 for preventing the raw material on the screening net 2 from falling onto the conveying chain 42, the normal use of the conveying chain 42 is influenced, the conveying frame 41 and the baffle 45 are arranged in an I shape, and the driving assembly 44 is fixed on the screening box 1 and used for driving the conveying chain 42 to rotate.
The driving assembly 44 includes two sets of chain wheels 441 and a driving motor 442, the two sets of chain wheels 441 are respectively disposed on the two conveying frames 41, each set of chain wheel 441 includes two chain wheels 441, the two chain wheels 441 are respectively rotatably connected to the conveying frames 41, and the two chain wheels 441 are respectively engaged with teeth at the upper and lower ends of the conveying chain 42, the driving motor 442 is fixed on the screening box 1, a connecting shaft is coaxially and fixedly connected to an output shaft of the driving motor 442, and the connecting shaft is coaxially connected with one pair of chain wheels 441 in the two sets of chain wheels 441.
The articulated buffer board 31 that is provided with in discharge gate department of feeder hopper 3, the slope of buffer board 31 is contradicted downwards to screen net 2 on, and the below of buffer board 31 has at least one transport plate 43 that is located the 2 up end of screen net at all times, guarantees that feeder hopper 3 can not appear the raw materials and roll by the lower tip of screen net 2 and fall in the feeding process.
Be provided with water conservancy diversion spare 6 on screening case 1, water conservancy diversion spare 6 includes guide plate 61, the slope of guide plate 61 sets up downwards, the upper end of guide plate 61 is located the below of 2 upper ends of screening net to be located the below of delivery board 43, the lower tip of guide plate 61 extends screening case 1, and the guide plate wholly is located 2 upper ends of screening net and deviates from one side of 2 lower tips of screening net, be used for carrying the raw materials that are not conform to the specification size.
The implementation principle of the concrete raw material conveying and screening device in the embodiment of the application is as follows: when needs filter the raw materials, start driving motor 442, conveying chain 42 drives conveying plate 43 and removes, then put into feeder hopper 3 with the raw materials, the raw materials in feeder hopper 3 enters into on the screen cloth 2, conveying plate 43 drives the raw materials rebound on the screen cloth 2, in the removal process, the raw materials that accord with the specification size fall down by the sieve mesh of screen cloth 2, the raw materials that do not accord with the specification size remove to the top of screen cloth 2, fall into on guide plate 61 at last, and leave screening box 1 under the guide of guide plate 61.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a screening device is carried to concrete raw materials which characterized in that: including fixing screening case (1), the slope of subaerial screening case (1) upwards sets up screening net (2) and the intercommunication of screening case (1) in the feeder hopper (3) of upper end of setting in screening case (1), the opening has been seted up to the lower tip of screening case (1), the discharge gate of feeder hopper (3) is close to the lower tip of screening net (2), be provided with in screening case (1) and be used for carrying the raw materials of screening net (2) tip down to conveying component (4) of screening net (2) upper end, the position that is close to screening net (2) upper end in screening case (1) is provided with water conservancy diversion spare (6).
2. The concrete raw material conveying and screening device according to claim 1, characterized in that: the conveying assembly (4) comprises a conveying frame (41) fixed in the screening box (1), a conveying chain (42) rotatably arranged on the conveying frame (41) and arranged along the length direction of the screening net (2), a plurality of conveying plates (43) fixed on the conveying chain (42) at intervals and a driving assembly (44) fixed on the screening box (1) and used for driving the conveying chain (42) to rotate, wherein the conveying plates (43) are perpendicular to the screening net (2) and arranged, and when the conveying plates (43) are located above the screening net (2), the conveying plates (43) slide and abut against the upper end face of the screening net (2).
3. The concrete raw material conveying and screening device according to claim 2, characterized in that: the driving assembly (44) comprises a driving chain wheel (441) which is rotatably arranged at the upper end and the lower end of the conveying frame (41) and is respectively meshed with teeth of the conveying chain (42) and a driving motor (442) which is fixed on the screening box (1) and is coaxially connected with the driving chain.
4. The concrete raw material conveying and screening device according to claim 2, characterized in that: the conveying frame (41) is provided with a baffle (45) on one side close to the screening net (2), the baffle (45) is arranged along the length direction of the screening net (2), and the middle part of the baffle (45) is abutted to the screening net (2).
5. The concrete raw material conveying and screening device according to claim 1, characterized in that: the flow guide piece (6) comprises a flow guide plate (61) fixed in the screening box (1), the flow guide plate (61) is positioned on one side, deviating from the lower end part, of the upper end part of the screening net (2), the flow guide plate (61) is inclined and downwards extends out of the screening box (1), the upper end part of the flow guide plate (61) is vertically opposite to the upper end part of the screening net (2), and the flow guide plate (61) is positioned below the conveying plate (43).
6. The concrete raw material conveying and screening device according to claim 2, characterized in that: the articulated buffer board (31) that is provided with of discharge gate department of feeder hopper (3), the slope of buffer board (31) is downward and contradict on the screen cloth.
7. The concrete raw material conveying and screening device according to claim 1, characterized in that: the lower end of the screening box (1) is conical, the lower opening of the screening box (1) is obliquely arranged, and the screening box (1) is provided with an opening and closing assembly (5) at the lower opening.
8. The concrete raw material conveying and screening device according to claim 7, characterized in that: the opening and closing assembly (5) comprises an opening and closing door (51) arranged at the lower end of the screening box (1) in a sliding mode and an opening and closing cylinder (52) fixed on the screening box (1) and fixedly connected with the opening and closing door (51), and the opening and closing cylinder (52) can drive the opening and closing door (51) to open or close the lower opening of the screening box (1) through the expansion and contraction of a piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937892.3U CN214637989U (en) | 2021-04-30 | 2021-04-30 | Concrete raw material conveying and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937892.3U CN214637989U (en) | 2021-04-30 | 2021-04-30 | Concrete raw material conveying and screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214637989U true CN214637989U (en) | 2021-11-09 |
Family
ID=78473900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120937892.3U Expired - Fee Related CN214637989U (en) | 2021-04-30 | 2021-04-30 | Concrete raw material conveying and screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214637989U (en) |
-
2021
- 2021-04-30 CN CN202120937892.3U patent/CN214637989U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |