CN220574040U - Raw material screening device for concrete production - Google Patents
Raw material screening device for concrete production Download PDFInfo
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- CN220574040U CN220574040U CN202322288584.4U CN202322288584U CN220574040U CN 220574040 U CN220574040 U CN 220574040U CN 202322288584 U CN202322288584 U CN 202322288584U CN 220574040 U CN220574040 U CN 220574040U
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- stone
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- 239000002994 raw material Substances 0.000 title claims abstract description 37
- 238000012216 screening Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000007873 sieving Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 abstract description 35
- 239000004576 sand Substances 0.000 abstract description 34
- 239000004568 cement Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to the technical field of screening devices, and discloses a raw material screening device for concrete production, which is used, when sand and stone fall into a batch, a torsion spring can bounce a baffle plate to prevent sand and stone from being blocked caused by excessive pouring of the raw materials at one time, fine sand and other raw materials can fall onto a sloping plate through a screen mesh and are discharged through a second discharge hole, a motor is started, the motor can drive a rotating shaft to rotate, so that a push rod moves up and down, the screen mesh is pushed to sun up and down, some stones are prevented from being blocked on the screen mesh, a rotating rod can drive crushing rollers to rotate, crushing teeth fixedly connected with the surfaces of two groups of crushing rollers can crush larger sand and stone, and then are discharged through the first discharge hole, so that the screening and processing efficiency is improved, and a dust collector is started to suck the raised dust into a collecting box. The sand and stone processing device has the advantages that sand and stone processing with different sizes can be realized by changing the crushing rollers with different sizes, and sand and stone requirements of concrete with different specifications are met.
Description
Technical Field
The utility model relates to the technical field of screening devices, in particular to a raw material screening device for concrete production.
Background
Concrete is a material which is formed by mixing cement, sand, stones, water and other raw materials. In screening concrete raw materials, the following aspects need to be considered: and (3) cement: and selecting proper cement types, and selecting common cement, quick setting cement, sulphoaluminate cement and the like according to actual requirements. The cement should have good gelation and hardening properties, meeting the requirements of concrete strength and durability. When screening concrete raw materials, the concrete raw materials need to be evaluated and selected according to the requirements of specific engineering, the use of the concrete, environmental conditions and other factors so as to ensure that the concrete has required performance and quality. Meanwhile, the concrete quality is required to meet the requirements by following the relevant national and local standards and specifications.
Most sieving mechanism is at the during operation, separates the grit through the screen cloth, and some great stones still need handle alone, increase the process, can not directly handle some great stones and satisfy the production demand to the stone still blocks the screen cloth easily, leads to screening efficiency to descend, when the staff adds the raw materials, still can produce very big raise dust, influences the construction.
Disclosure of Invention
The utility model aims to provide a raw material screening device for concrete production, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a raw materials sieving mechanism for concrete production, includes the box, the fixed surface of box is connected with the organic case, the inside of box is provided with screening portion, screening portion includes: the sand and stone screening device comprises a guide plate, wherein the surface of the guide plate is fixedly connected with the inner wall of a box body, an inclined plate is fixedly connected with the inner wall of the box body, sand and stone and other raw materials needing to be screened are poured into a hopper, a baffle plate can be unfolded downwards, so that sand and stone raw materials enter the box body and fall onto the screen, when sand and stone fall into a batch, a torsion spring can bounce the baffle plate to prevent sand and stone from being blocked due to excessive pouring of the sand and stone, a motor is fixedly connected with the inner wall of a machine box, a rotating shaft is fixedly connected with an output shaft of the motor, the rotating shaft is divided into three sections, one end surface of one group of rotating shafts close to the other group of rotating shafts is fixedly connected with a rotating plate, one side surface of the rotating shaft far away from the rotating shaft is fixedly connected with a positioning rod, the positioning rod penetrates through and is connected with a push rod, the top surface of the push rod is fixedly connected with a screen, the side surface of the screen is in sliding connection with a spring, one end of the spring far away from the screen is fixedly connected with a positioning strip, and the surface of the guide plate is fixedly connected with the positioning strip; the pivot is close to the one end surface transmission of motor and is connected with the belt, the belt is kept away from the one end transmission of pivot and is connected with the bull stick, the bull stick runs through and fixedly connected with gear, the bull stick runs through and fixedly connected with crushing roller, the crushing roller runs through the box, and crushing roller and box rotate to be connected with, the fixed surface of crushing roller is connected with broken tooth, can drive the belt and rotate when the pivot rotates, and the belt then can drive the bull stick and rotate, and two sets of broken roller surface fixedly connected's broken tooth can smash great grit.
Preferably, the top surface of box has seted up the pan feeding mouth, the inboard of pan feeding mouth articulates there is the baffle, fixedly connected with torsional spring between the inboard of baffle and pan feeding mouth, the surface of box is run through by the dust catcher, and dust catcher and box fixed connection, the bottom joint of dust catcher has the collecting box, starts in the dust catcher will raise dust absorbs the collecting box. The sand and stone processing device has the advantages that sand and stone processing with different sizes can be realized by changing the crushing rollers with different sizes, and sand and stone requirements of concrete with different specifications are met.
Preferably, the number of the guide plates is two, and the two guide plates are symmetrically arranged by taking the central line of the box body as a symmetrical axis.
Preferably, the number of the gears is four, wherein every two gears are two groups, the gears in each group are meshed with each other, and the two groups of gears are symmetrically arranged by taking the central line of the box body as a symmetrical axis.
Preferably, the positioning rod is different from the axis of the rotating shaft, the axis of the positioning rod is higher than the axis of the rotating shaft, and the motor is started, so that the push rod is hinged with the positioning rod, the push rod moves up and down, the screen is pushed to sun up and down, and some stones are prevented from being blocked on the screen.
Preferably, the top surface fixedly connected with of box goes into the hopper, discharge gate one has been seted up to the side of box, discharge gate two has been seted up in the front of box.
Compared with the prior art, the utility model provides a raw material screening device for concrete production, which has the following beneficial effects:
this raw materials sieving mechanism for concrete production is in the use, can bounce the baffle when the grit falls into the back torsional spring of a batch, prevent that disposable pouring too much raw materials from leading to the grit to block, raw materials such as fine sand can drop to the swash plate through the screen cloth down and discharge through discharge gate two, the starter motor, the motor can drive the pivot and rotate, thereby make the push rod reciprocate, and push up the screen cloth and sun down, prevent that some stones from blocking on the screen cloth, and make some great stones slide to the both sides of screen cloth, can drive the belt rotation when the pivot rotates simultaneously, the bull stick can drive broken roller rotation, broken tooth of two sets of broken roller fixed surface connection can smash great grit, a discharge gate discharge, the efficiency of screening and handling has been improved, start the dust collector and inhale the collecting box with the dust of raising. The sand and stone processing device has the advantages that sand and stone processing with different sizes can be realized by changing the crushing rollers with different sizes, and sand and stone requirements of concrete with different specifications are met.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;
FIG. 3 is a schematic rear view of the present utility model;
FIG. 4 is a schematic view of the enlarged structure of FIG. 3A according to the present utility model;
FIG. 5 is a schematic view of a partial cross-sectional structure of the present utility model;
FIG. 6 is an enlarged schematic view of the structure B of FIG. 5 according to the present utility model;
FIG. 7 is a partially expanded view of the shaft according to the present utility model.
In the figure: 1. a case; 2. a screening unit; 21. a guide plate; 22. a sloping plate; 23. a motor; 24. a rotating shaft; 25. a rotating plate; 26. a positioning rod; 27. a push rod; 28. a screen; 29. a spring; 210. a positioning strip; 211. a belt; 212. a rotating rod; 213. a gear; 214. a crushing roller; 215. crushing teeth; 216. a feed inlet; 217. a baffle; 218. a torsion spring; 219. a dust collector; 220. a collection box; 3. a chassis; 4. feeding into a hopper; 5. a first discharging hole; 6. and a second discharging hole.
Detailed Description
As shown in fig. 1-7, the present utility model provides a technical solution: the utility model provides a raw materials sieving mechanism for concrete production, includes box 1, and the fixed surface of box 1 is connected with machine case 3, and the inside of box 1 is provided with screening part 2, and screening part 2 includes: the deflector 21, deflector 21's surface and box 1's inner wall fixed connection, box 1's inner wall fixedly connected with swash plate 22, pour the raw materials such as grit that will screen into hopper 4 in, when raw materials pile up a certain degree in the hopper 4, when the power of torsional spring 218 can't prop up baffle 217, baffle 217 can be spread downwards, thereby make grit raw materials get into box 1 and fall to screen cloth 28 on, torsional spring 218 can bounce baffle 217 after the grit falls into a batch, prevent to pour into too much raw materials once only and lead to the grit to block, raw materials such as fine sand can drop to swash plate 22 through screen cloth 28 and discharge through discharge gate two 6 down.
The motor 23 is fixedly connected to the inner wall of the case 3, the rotating shaft 24 is fixedly connected to an output shaft of the motor 23, the rotating shaft 24 is divided into three sections, a rotating plate 25 is fixedly connected to one end surface of one group of rotating shafts 24 close to the other group of rotating shafts 24, a positioning rod 26 is fixedly connected to one side surface of the rotating shaft 24 far away from the rotating shaft 24, the positioning rod 26 penetrates through and is rotatably connected with a push rod 27, a screen 28 is fixedly connected to the top surface of the push rod 27, the side surface of the screen 28 is slidably connected with the surface of the guide plate 21, a spring 29 is fixedly connected to the bottom surface of the screen 28, a positioning strip 210 is fixedly connected to one end of the spring 29 far away from the screen 28, and the positioning strip 210 is fixedly connected with the surface of the guide plate 21; the one end surface transmission that pivot 24 is close to motor 23 is connected with belt 211, the one end transmission that pivot 24 was kept away from to belt 211 is connected with bull stick 212, bull stick 212 runs through and fixedly connected with gear 213, bull stick 212 runs through and fixedly connected with crushing roller 214, crushing roller 214 runs through box 1, and crushing roller 214 rotates with box 1 to be connected, the fixed surface of crushing roller 214 is connected with crushing tooth 215, can drive belt 211 when pivot 24 rotates, belt 211 then can drive bull stick 212 rotation, bull stick 212 can drive crushing roller 214 rotation, two sets of crushing roller 214 fixed surface connection's crushing tooth 215 can smash great grit, rethread discharge gate one 5 discharge, screening and processing efficiency has been improved.
The top surface of box 1 has seted up pan feeding mouth 216, and the inboard of pan feeding mouth 216 articulates there is baffle 217, fixedly connected with torsional spring 218 between baffle 217 and the inboard of pan feeding mouth 216, and the surface of box 1 is run through by dust catcher 219, and dust catcher 219 and box 1 fixed connection, and the bottom joint of dust catcher 219 has collecting box 220, starts dust catcher 219 and will raise dust and inhale collecting box 220 in. The sand and stone requirements of concrete with different specifications can be met by changing the crushing rollers 214 with different sizes to process sand and stone with different sizes. The number of the guide plates 21 is two, and the two groups of guide plates 21 are symmetrically arranged by taking the central line of the box body 1 as a symmetrical axis. The number of the gears 213 is four, two gears 213 in each group are two groups, the gears 213 in each group are meshed with each other, and the two groups of gears 213 are symmetrically arranged by taking the central line of the box body 1 as a symmetrical axis. The positioning rod 26 is different from the axis of the rotating shaft 24.
The axle center of locating lever 26 is higher relative to the axle center of pivot 24, start motor 23, motor 23 can drive pivot 24 and rotate, can drive the rotation board 25 and rotate when pivot 24 rotates, further make locating lever 26 regard the axle center of rotation board 25 as the midpoint rotation, can drive push rod 27 and rotate together when locating lever 26 rotates, because push rod 27 is articulated with locating lever 26 mutually, thereby make push rod 27 reciprocate to promote screen cloth 28 to sun up and down, prevent that some stones from blocking on screen cloth 28. The top surface fixedly connected with of box 1 goes into hopper 4, and discharge gate one 5 has been seted up to the side of box 1, and discharge gate two 6 has been seted up in the front of box 1.
Working principle: when the raw material screening device for concrete production is used, raw materials such as sand and the like needing to be screened are poured into the feeding hopper 4, when the raw materials in the feeding hopper 4 are accumulated to a certain extent, the baffle 217 can be unfolded downwards due to the force of the torsion spring 218 when the baffle 217 cannot be supported, so that the sand and the like raw materials enter the box body 1 and fall onto the screen mesh 28, when sand and the like fall into a batch, the torsion spring 218 can spring the baffle 217 to prevent sand and sand from being blocked due to the fact that excessive raw materials are poured at one time, the raw materials such as fine sand and the like can fall onto the inclined plate 22 downwards through the screen mesh 28 and are discharged through the second discharge port 6, the motor 23 is started, the rotating shaft 24 is driven to rotate by the motor 23, the rotating plate 25 is driven to rotate when the rotating shaft 24, and the positioning rod 26 further rotates by taking the axis center of the rotating plate 25 as a midpoint, when the positioning rod 26 rotates, the push rod 27 is driven to rotate together, and the push rod 27 is hinged with the positioning rod 26, so that the push rod 27 moves up and down, the screen 28 is pushed to sun up and down, some stones are prevented from being clamped on the screen 28, some larger stones slide to two sides of the screen 28, meanwhile, the rotating shaft 24 rotates to drive the belt 211 to rotate, the belt 211 drives the rotating rod 212 to rotate, the rotating rod 212 drives the crushing rollers 214 to rotate, the crushing teeth 215 fixedly connected with the surfaces of the two groups of crushing rollers 214 crush larger sand and stones, the sand and stones are discharged through the first discharge hole 5, the screening and processing efficiency is improved, and the dust collector 219 is started to suck the raised dust into the collecting box 220. The sand and stone requirements of concrete with different specifications can be met by changing the crushing rollers 214 with different sizes to process sand and stone with different sizes.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a raw materials sieving mechanism for concrete production, includes box (1), the fixed surface of box (1) is connected with organic case (3), its characterized in that: the inside of box (1) is provided with screening portion (2), screening portion (2) include:
the guide plate (21), the surface of guide plate (21) and the inner wall fixed connection of box (1), the inner wall fixed connection of box (1) has swash plate (22), the inner wall fixed connection of machine case (3) has motor (23), the output shaft fixed connection of motor (23) has pivot (24), pivot (24) divide into three sections, and one end surface fixed connection that a set of pivot (24) is close to another set of pivot (24) has swivel plate (25), one side surface fixed connection that pivot (24) kept away from pivot (24) has locating lever (26), locating lever (26) run through and rotate and be connected with push rod (27), the top surface fixed connection of push rod (27) has screen cloth (28), the side of screen cloth (28) and the surface sliding connection of guide plate (21), the bottom surface fixed connection of screen cloth (28) has spring (29), one end fixed connection has locating bar (210) that spring (29) kept away from screen cloth (28), locating bar (210) and the surface fixed connection of guide plate (21).
One end surface transmission that pivot (24) are close to motor (23) is connected with belt (211), the one end transmission that pivot (24) was kept away from to belt (211) is connected with bull stick (212), bull stick (212) run through and fixedly connected with gear (213), bull stick (212) run through and fixedly connected with crushing roller (214), crushing roller (214) run through box (1), and crushing roller (214) are connected with box (1) rotation, the fixed surface of crushing roller (214) is connected with crushing tooth (215).
2. The raw material screening device for concrete production according to claim 1, wherein: the top surface of box (1) has seted up pan feeding mouth (216), the inboard of pan feeding mouth (216) articulates there is baffle (217), fixedly connected with torsional spring (218) between the inboard of baffle (217) and pan feeding mouth (216), the surface of box (1) is run through by dust catcher (219), and dust catcher (219) and box (1) fixed connection, the bottom joint of dust catcher (219) has collection box (220).
3. The raw material screening device for concrete production according to claim 1, wherein: the number of the guide plates (21) is two, and the two groups of the guide plates (21) are symmetrically arranged by taking the central line of the box body (1) as a symmetrical axis.
4. The raw material screening device for concrete production according to claim 1, wherein: the number of the gears (213) is four, wherein every two gears are two groups, the gears (213) in each group are meshed with each other, and the two groups of gears (213) are symmetrically arranged by taking the central line of the box body (1) as a symmetrical axis.
5. The raw material screening device for concrete production according to claim 1, wherein: the positioning rod (26) is different from the axis of the rotating shaft (24), and the axis of the positioning rod (26) is higher than the axis of the rotating shaft (24).
6. The raw material screening device for concrete production according to claim 1, wherein: the top surface fixedly connected with of box (1) goes into hopper (4), discharge gate one (5) have been seted up to the side of box (1), discharge gate two (6) have been seted up in the front of box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288584.4U CN220574040U (en) | 2023-08-25 | 2023-08-25 | Raw material screening device for concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322288584.4U CN220574040U (en) | 2023-08-25 | 2023-08-25 | Raw material screening device for concrete production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220574040U true CN220574040U (en) | 2024-03-12 |
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ID=90122938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322288584.4U Active CN220574040U (en) | 2023-08-25 | 2023-08-25 | Raw material screening device for concrete production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220574040U (en) |
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2023
- 2023-08-25 CN CN202322288584.4U patent/CN220574040U/en active Active
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