CN219519574U - Sand and stone screening device for commodity concrete preparation - Google Patents

Sand and stone screening device for commodity concrete preparation Download PDF

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Publication number
CN219519574U
CN219519574U CN202320486524.0U CN202320486524U CN219519574U CN 219519574 U CN219519574 U CN 219519574U CN 202320486524 U CN202320486524 U CN 202320486524U CN 219519574 U CN219519574 U CN 219519574U
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China
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screening
sand
plate
screen plate
concrete preparation
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CN202320486524.0U
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Chinese (zh)
Inventor
侯明城
林春
安张胡
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Xinjiang Rongfa Commercial Concrete Co ltd
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Xinjiang Rongfa Commercial Concrete Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The utility model discloses a sand and stone screening device for commodity concrete preparation, which relates to the technical field of commodity concrete preparation and comprises a screening box body, wherein a feeding port is formed in the upper end of the screening box body, a discharging port is formed in the lower end of the screening box body, and a multi-stage screening mechanism is arranged in the screening box body. The screening unit and the vibration blanking unit are matched together, so that the effect of multistage screening of the sand and stone materials is realized, the screening efficiency and the quality of commodity concrete preparation are ensured, coarse, medium and fine materials in the sand and stone materials can be screened in a grading manner through the matching of the screening screen I and the screening screen II, the sand and stone materials subjected to screening and discharging can be rapidly and effectively classified and discharged through the matching of the discharging plate I and the discharging plate II, the sand stacking burden of constructors is reduced, the screening working efficiency and the whole quality are improved, the fineness of commodity concrete preparation is ensured, and the integral effectiveness and the practicability of the device are improved.

Description

Sand and stone screening device for commodity concrete preparation
Technical Field
The utility model relates to the technical field of commodity concrete preparation, in particular to a sand and stone screening device for commodity concrete preparation.
Background
In the production and preparation process of commercial concrete, corresponding grading is required to be formulated according to the characteristics of the prepared concrete, the weight ratio of different aggregates is further determined, sand materials are required to be screened in advance before preparation in order to ensure that the prepared concrete meets the requirements, the sand materials are stacked together in different sizes, the sand materials are required to be screened according to the sizes when in use, but the existing sand screening equipment is relatively simple, sand in one size range can be screened generally, and when sand with different particle sizes needs to be screened out sometimes, different screens are required to finish work, so that the speed is too slow, and the efficiency is affected.
The publication number is: CN 210253069U's a grit material screening plant, including braced frame, screen frame, first conveyer belt, second conveyer belt and electric cylinder, electric cylinder horizontal installation is in braced frame's side, screen frame hangs through wire rope slope and establishes braced frame is last, screen frame upper berth is equipped with one-level screen cloth and second grade screen cloth, the mesh of second grade screen cloth is greater than the mesh of one-level screen cloth, one-level screen cloth is located the top of second grade screen cloth, install first, second lifting baffle on the screen frame, first lifting baffle is located between one-level screen cloth, the second lifting baffle is located the lower extreme of second grade screen cloth, first conveyer belt is placed the below of one-level screen cloth, the second conveyer belt is placed the below of second grade screen cloth, this grit material screening plant can screen three kinds of sizes, and is fast, efficient.
In order to solve the problem that multiple sand can not screen simultaneously, the prior art adopts the cooperation of electronic cylinder and wire rope, makes the screen cloth frame that the slope hung and establishes rock the mode of screening and handle, but still can appear the sand and stone material and do not possess when screening and assist the function of material and clearance to the grit, lead to the screen cloth to block up the condition of mesh easily, and then lead to screening quality low, reduce the problem of the work efficiency of commodity concrete preparation sand and stone material screening.
Disclosure of Invention
The utility model aims to provide a sand and stone screening device for commercial concrete preparation, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the sand and stone screening device for the preparation of commodity concrete comprises a screening box body, wherein a feeding hole is formed in the upper end of the screening box body, a discharging hole is formed in the lower end of the screening box body, a multi-stage screening mechanism is arranged in the screening box body, and an anti-blocking mechanism is movably connected to the surface of the multi-stage screening mechanism;
the multistage screening mechanism comprises a screening unit and a vibration blanking unit, wherein the vibration blanking unit is arranged on the two sides of the screening unit and the outer surface of the lower end of the screening unit;
the anti-blocking mechanism comprises an adjusting moving unit and a screen pushing unit, wherein the screen pushing unit is arranged on the outer surface of the output end of the adjusting moving unit and is connected with the outer surface of the output end of the adjusting moving unit.
The technical scheme of the utility model is further improved as follows: the screening unit comprises a screening screen plate I and a screening screen plate II, one ends of the screening screen plate I and the screening screen plate II are respectively and fixedly connected with a discharging plate I and a discharging plate II, and the discharging plate I and the discharging plate II are both inclined at an angle of 15 degrees.
The technical scheme of the utility model is further improved as follows: the screening screen plate I, screening screen plate II's both sides surface respectively fixed mounting have the side fixed plate, the lateral surface of side fixed plate and the inner chamber fixed surface of screening box are connected, through the setting of side fixed plate for to screening screen plate I with screening screen plate II's is fixed, guaranteed the steadiness when grit sieves.
The technical scheme of the utility model is further improved as follows: the vibration blanking unit comprises a vibration motor and a guide column, wherein the upper side face of the vibration motor is fixedly connected with the outer surface of the lower end of the first screening screen plate and the outer surface of the second screening screen plate respectively, the outer surface of the guide column is movably connected with the inner wall of the side fixing plate, a spring is movably sleeved on the outer surface of the guide column, and the guide column penetrates through the inner wall of the side fixing plate connected with the first screening screen plate and the second screening screen plate from top to bottom to be connected.
The technical scheme of the utility model is further improved as follows: the adjusting and moving unit comprises a driving motor, the inner side surface of the driving motor is fixedly connected with the outer surface of the screening box body, a threaded rod is fixedly installed on an output shaft of the driving motor, the outer surface of the threaded rod is rotatably connected with the inner wall of a sliding groove preset on the outer surfaces of the first screening screen plate and the second screening screen plate, and the sliding groove preset on the two sides of the first screening screen plate and the second screening screen plate is used for limiting the horizontal movement of a limiting column.
The technical scheme of the utility model is further improved as follows: the outer surface threaded connection of threaded rod has the slider, the lateral surface sliding connection of slider has the spacing post of supplementary spacing with screening box lateral wall fixed connection, and the both ends of spacing post are bending type and screening box lateral wall fixed connection.
The technical scheme of the utility model is further improved as follows: the screen cloth pushing unit is including U type fixing base and scraping plate, the lower extreme surface of U type fixing base respectively with the last fixed surface of slider be connected, scraping plate fixed mounting is at the central point lower surface of U type fixing base and through bolt fixed connection with it, will scrape the flitch and be connected with U type fixing base through the bolt, be convenient for scrape the daily change of flitch, avoided long-term wearing and tearing the condition that is difficult to dismantle.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a sand and stone material screening device for commodity concrete preparation, which adopts the common cooperation between a screening unit and a vibration blanking unit, realizes the effect of carrying out multistage screening on sand and stone materials, ensures the screening efficiency and the commodity concrete preparation quality, can carry out graded screening on coarse, medium and fine materials in the sand and stone materials through the cooperation of a screening screen I and a screening screen II, can carry out rapid and effective classified discharge on the sand and stone materials subjected to screening discharge through the cooperation of a discharge plate I and a discharge plate II, reduces the sand stacking burden of constructors, improves the screening work efficiency and the whole quality, ensures the fine degree of commodity concrete preparation, and improves the overall effectiveness and practicability of the device.
2. The utility model provides a sand and stone screening device for commodity concrete preparation, which adopts the common cooperation between an adjusting moving unit and a screen pushing unit, solves the problems that the screen is easy to block meshes and low in screening quality due to the fact that sand and stone are not assisted and cleaned during screening, and reduces the working efficiency of screening sand and stone for commodity concrete preparation, and can provide power output for rotation of a threaded rod through the arrangement of a driving motor, and drives a scraping plate to integrally perform horizontal moving adjustment through the arrangement of a limiting column and a sliding groove, so that the scraping plate scrapes materials on the surface of a screening screen plate I and screening screen plate II, blocked sand and stone in the meshes are prevented, and the effect of rapid scraping is realized.
3. The utility model provides a sand and stone screening device for commodity concrete preparation, which adopts the common cooperation among a vibrating motor, a guide post and a spring to realize the shaking screening of a screening screen plate I screening screen plate II, accelerates the sand and stone screening efficiency in a dynamic state, drives the shaking amplitude of a screening screen plate I and a screening screen plate II to be increased through the elastic expansion effect of the spring, improves the screening efficiency and quality, simultaneously avoids the blocking caused by the sand and stone staying on the screen plate, and further improves the commodity concrete preparation quality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal perspective structure of the present utility model;
FIG. 3 is a schematic perspective sectional structure of the present utility model;
FIG. 4 is a schematic bottom perspective view of a second screen panel of the present utility model;
FIG. 5 is a schematic perspective view of a second screen panel of the present utility model;
fig. 6 is a schematic partial perspective view of the anti-blocking mechanism of the present utility model.
In the figure: 1. screening the box body; 11. a feed port; 12. a discharge port; 2. a multi-stage screening mechanism; 3. an anti-blocking mechanism; 211. screening a first screen plate; 2111. a first discharging plate; 212. screening a second screen plate; 2121. a second discharging plate; 213. a side fixing plate; 221. a vibration motor; 222. a guide post; 223. a spring; 311. a driving motor; 312. a threaded rod; 313. a limit column; 314. a slide block; 321. u-shaped fixing seat; 322. a scraping plate.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-6, the utility model provides a sand and stone screening device for preparing commodity concrete, which comprises a screening box body 1, wherein a feed port 11 is formed in the upper end of the screening box body 1, a discharge port 12 is formed in the lower end of the screening box body 1, a multi-stage screening mechanism 2 is arranged in the screening box body 1, and an anti-blocking mechanism 3 is movably connected to the surface of the multi-stage screening mechanism 2; the multistage screening mechanism 2 comprises screening units and vibration blanking units, wherein the vibration blanking units are arranged on the two sides of the screening units and on the outer surfaces of the lower ends of the screening units; the anti-blocking mechanism 3 comprises an adjusting moving unit and a screen pushing unit, wherein the screen pushing unit is arranged on the outer surface of the output end of the adjusting moving unit and is connected with the adjusting moving unit, the screening unit comprises a screening screen plate I211 and a screening screen plate II 212, one ends of the screening screen plate I211 and the screening screen plate II 212 are fixedly connected with a discharging plate I2111 and a discharging plate II 2121 respectively, the screening screen plate I211 and the screening screen plate II 212 are integrally vibrated by driving a vibrating motor 221, sand and stone materials are rapidly screened under the action of vibration, double screening is performed through the screening screen plate I211 and the screening screen plate II 212, the screened sand and stone materials are rapidly discharged through the discharging plate I2111 and the discharging plate II 2121, side fixing plates 213 are fixedly arranged on the outer surfaces of the two sides of the screening screen plate I211 and the screening screen plate II 212 respectively, the outer side faces of the side fixing plates 213 are fixedly connected with the inner cavity surface of the screening box body 1, and the stability of the sand and stone materials during screening is ensured by the arrangement of the side fixing plates 213.
Example 2
As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the vibration blanking unit comprises a vibration motor 221 and a guide post 222, the upper side surface of the vibration motor 221 is fixedly connected with the outer surfaces of the first screening screen 211 and the second screening screen 212 respectively, the outer surface of the guide post 222 is movably connected with the inner wall of the side fixing plate 213, a spring 223 is movably sleeved on the outer surface of the guide post 222, the first screening screen 211 and the second screening screen 212 shake through the control of the vibration motor 221, the spring 223 is elastically deformed, the efficiency of accelerating sand screening under the dynamic state of the integral shaking effect is improved, and the shaking amplitude of the first screening screen 211 and the second screening screen 212 is increased through the elastic expansion effect of the spring 223, so that the screening efficiency and quality are improved.
Example 3
As shown in fig. 1-6, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, adjust the mobile unit including driving motor 311, driving motor 311's medial surface and screening box 1's external surface fixed connection, fixed mounting has threaded rod 312 on driving motor 311's the output shaft, threaded rod 312's surface and screening otter board 211, screening otter board two 212 both sides surface preset's inner wall rotation connection, open through driving motor 311's control, provide power take off for threaded rod 312's rotation, threaded rod 312's surface threaded connection has slider 314, slider 314's lateral surface sliding connection has with screening box 1 lateral wall fixed connection's supplementary spacing post 313, under spacing post 313 and the spacing effect of spout, slider 314 is at the inside horizontal migration of spout, screen cloth pushes away the material unit including U type fixing base 321 and scraping plate 322, the lower extreme surface of U type fixing base 321 respectively with slider 314's upper surface fixed connection, scraping plate 322 fixed mounting is at U type fixing base 321's central point lower surface and through bolt fixed connection therewith, it is connected scraping plate 322 and U type fixing base 321 through fixing bolt, be convenient for dismantle and change, driving U type 321 through slider 314 removal, and then, and driving scraping plate 322 and screen board 212's the screening efficiency to carry out the promotion to sieve, the screen board 212 has avoided the screening to block up the condition.
The working principle of the sand and stone screening device for the preparation of commercial concrete is specifically described below.
As shown in fig. 1-6, when in use, firstly, an external power supply is plugged, so that the vibration motor 221 and the driving motor 311 are powered on, the working state is maintained, then, the worker inputs the sand and stone materials to be screened into the screening box body 1 from the feeding port 11, firstly, the sand and stone materials are screened through the screening screen plate one 211, the vibration motor 221 is driven to be started, the screening screen plate one 211 and the screening screen plate two 212 integrally vibrate, the sand and stone materials are rapidly screened under the action of vibration, the sand and stone materials are subjected to double screening through the screening screen plate one 211 and the screening screen plate two 212, the screened sand and stone materials are rapidly discharged through the discharge plate one 2111 and the discharge plate two 2121, and then, when the vibration motor 221 starts vibrating, the screening screen plate one 211 and the screening screen plate two 212 vibrate, the spring 223 is elastically deformed, the integral shaking effect is improved, in addition, the driving motor 311 is controlled to be started, the threaded rod 312 rotates, under the limiting action of the limiting concrete post 313 and the sliding block 314, the surface of the screening screen plate one 211 and the screening screen plate two 212 is horizontally moved, the sand and stone materials are scraped, finally, the sand and stone materials are prevented from blocking the surfaces of the screening screen plate one 211 and the screen plate two 212, and the discharge plate one 2121 and the discharge plate two are used for preparing the commodity grade of products, and the discharge plate one, and the discharge plate 1 and the discharge plate two is manufactured.
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 (7)

1. Sand and stone screening device for commodity concrete preparation, including screening box (1), its characterized in that: the upper end of the screening box body (1) is provided with a feeding port (11), the lower end of the screening box body (1) is provided with a discharge port (12), a multi-stage screening mechanism (2) is arranged in the screening box body (1), and the surface of the multi-stage screening mechanism (2) is movably connected with an anti-blocking mechanism (3);
the multistage screening mechanism (2) comprises a screening unit and a vibration blanking unit, wherein the vibration blanking unit is arranged on the two sides of the screening unit and the outer surface of the lower end of the screening unit;
the anti-blocking mechanism (3) comprises an adjusting moving unit and a screen pushing unit, and the screen pushing unit is arranged on the outer surface of the output end of the adjusting moving unit and is connected with the outer surface of the output end of the adjusting moving unit.
2. A sand and gravel screening device for commodity concrete preparation according to claim 1, wherein: the screening unit comprises a screening screen plate I (211) and a screening screen plate II (212), and one ends of the screening screen plate I (211) and the screening screen plate II (212) are respectively and fixedly connected with a discharging plate I (2111) and a discharging plate II (2121).
3. A sand and gravel screening device for commodity concrete preparation according to claim 2, wherein: the screening screen plate I (211) and the screening screen plate II (212) are respectively fixedly provided with a side fixing plate (213) on the outer surfaces of the two sides, and the outer side surfaces of the side fixing plates (213) are fixedly connected with the inner cavity surface of the screening box body (1).
4. A sand and gravel screening device for commodity concrete preparation according to claim 1, wherein: the vibration blanking unit comprises a vibration motor (221) and a guide column (222), wherein the upper side face of the vibration motor (221) is fixedly connected with the outer surfaces of the lower ends of a screening screen plate I (211) and a screening screen plate II (212) respectively, the outer surface of the guide column (222) is movably connected with the inner wall of a side fixing plate (213), and a spring (223) is movably sleeved on the outer surface of the guide column (222).
5. A sand and gravel screening device for commodity concrete preparation according to claim 1, wherein: the adjusting and moving unit comprises a driving motor (311), the inner side surface of the driving motor (311) is fixedly connected with the outer surface of the screening box body (1), a threaded rod (312) is fixedly installed on an output shaft of the driving motor (311), and the outer surface of the threaded rod (312) is rotatably connected with the inner wall of a chute preset on the outer surfaces of the two sides of the screening screen plate I (211) and the screening screen plate II (212).
6. The sand and gravel screening device for commercial concrete production according to claim 5, wherein: the outer surface threaded connection of threaded rod (312) has slider (314), the lateral surface sliding connection of slider (314) has auxiliary spacing post (313) with screening box (1) lateral wall fixed connection.
7. A sand and gravel screening device for commodity concrete preparation according to claim 1, wherein: the screen pushing unit comprises a U-shaped fixing seat (321) and a scraping plate (322), wherein the outer surface of the lower end of the U-shaped fixing seat (321) is fixedly connected with the upper surface of the sliding block (314) respectively, and the scraping plate (322) is fixedly arranged on the lower surface of the central end of the U-shaped fixing seat (321) and is fixedly connected with the lower surface of the central end of the U-shaped fixing seat through bolts.
CN202320486524.0U 2023-03-15 2023-03-15 Sand and stone screening device for commodity concrete preparation Active CN219519574U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320486524.0U CN219519574U (en) 2023-03-15 2023-03-15 Sand and stone screening device for commodity concrete preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320486524.0U CN219519574U (en) 2023-03-15 2023-03-15 Sand and stone screening device for commodity concrete preparation

Publications (1)

Publication Number Publication Date
CN219519574U true CN219519574U (en) 2023-08-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117225697A (en) * 2023-11-14 2023-12-15 铁鑫工程检测有限公司 Concrete screening plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117225697A (en) * 2023-11-14 2023-12-15 铁鑫工程检测有限公司 Concrete screening plant
CN117225697B (en) * 2023-11-14 2024-01-30 铁鑫工程检测有限公司 Concrete screening plant

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