阅读说明：本技术 一种建筑施工用砂石多层次筛选装置 (Multi-level sieving mechanism of grit for construction ) 是由 孙长野 于 2020-04-13 设计创作，主要内容包括：本发明公开了一种建筑施工用砂石多层次筛选装置,属于建筑技术领域,解决了现有装置不能对砂石进行碾压处理,使得结块的砂石不能被筛选的问题；其技术特征是：包括壳体和筛选腔,壳体内设有筛选腔,筛选腔内设有筛选组件,筛选组件的下部设有驱动组件,驱动组件与筛选组件连接,筛选腔的顶部设有用于碾压砂石的碾压腔,碾压腔内设有碾压组件,筛选腔内固定安装有隔板；本发明实施例设置了碾压组件,碾压组件的设置实现了对碾压腔内的砂石进行碾磨处理,避免了因砂石结块导致的砂石过滤效率低下的问题,同时筛选组件的设置实现了对砂石多层次充分的筛选。(The invention discloses a multi-level sand and stone screening device for building construction, belongs to the technical field of buildings, and solves the problem that agglomerated sand and stone cannot be screened because the existing device cannot roll the sand and stone; the technical characteristics are as follows: the sand and stone crushing device comprises a shell and a screening cavity, wherein the screening cavity is formed in the shell, a screening assembly is arranged in the screening cavity, a driving assembly is arranged at the lower part of the screening assembly and connected with the screening assembly, a rolling cavity for rolling sand and stone is arranged at the top of the screening cavity, a rolling assembly is arranged in the rolling cavity, and a partition plate is fixedly arranged in the screening cavity; according to the embodiment of the invention, the grinding assembly is arranged, so that the grinding treatment of the gravel in the grinding cavity is realized, the problem of low gravel filtering efficiency caused by gravel caking is avoided, and meanwhile, the multi-level and sufficient screening of the gravel is realized by the arrangement of the screening assembly.)

1. The utility model provides a multi-level sieving mechanism of grit for construction, includes casing (1) and screening chamber (6), is equipped with screening chamber (6) in casing (1), is equipped with the screening subassembly in screening chamber (6), and its characterized in that, the lower part of screening subassembly is equipped with drive assembly, and drive assembly is connected with the screening subassembly, and the top of screening chamber (6) is equipped with rolls chamber (2) that is used for rolling the grit, rolls and is equipped with in chamber (2) and rolls the subassembly.

2. The multi-level sieving mechanism of grit for construction according to claim 1, characterized in that, the upper surface central point of grinding chamber (2) puts and is equipped with the pan feeding mouth, pan feeding mouth and grinding chamber (2) intercommunication, the subassembly that rolls includes orifice plate (22), second servo motor (23) and the piece (24) of milling, second servo motor (23) fixed mounting is at the top of grinding chamber (2), the output fixedly connected with of second servo motor (23) grinds piece (24), the below of the piece (24) of milling is equipped with orifice plate (22).

3. The multi-level screening device of grit for building construction according to claim 2, characterized in that, orifice plate (22) is the recess column structure of centre low, high all around, and the lower surface of grinding block (24) and orifice plate (22) parallel arrangement.

4. The multi-level screening device for sand and stone for building construction as claimed in claim 3, wherein a plurality of leakage holes are uniformly distributed on the leakage hole plate (22).

5. The multi-level sieving mechanism of grit for construction according to any one of claims 1-4, characterized in that, the screening subassembly includes upper screen cloth (5) and lower screen cloth (7), upper screen cloth (5) set up in the upper portion of lower screen cloth (7), and upper screen cloth (5) and lower screen cloth (7) all incline to set up, the one end of upper screen cloth (5) articulates there is first articulated seat (3), the other end of upper screen cloth (5) articulates there is third articulated seat (10), the lower part of first articulated seat (3) passes through the articulated seat of bolt fixedly connected with second (4), install lower screen cloth (7) on the articulated seat of second (4), lower screen cloth (7) and the articulated seat of second (4) are articulated.

6. The sand multi-level screening device for building construction according to claim 5, wherein the first hinge seat (3) is fixedly installed at a sidewall of the housing (1).

7. The multi-level screening device of grit for construction as claimed in claim 5, characterized in that, the lower screen cloth (7) is kept away from the one end of second articulated seat (4) and is rotated and connected with guide plate (8), guide plate (8) are installed on the lateral wall of casing (1), the lateral wall of casing (1) has seted up the bin outlet.

8. The multi-level screening device for the sand and the stone for the building construction according to claim 7, characterized in that the driving component comprises a threaded rod (14) and a first servo motor (16), the threaded rod (14) is arranged at the bottom of the screening cavity (6), the threaded rod (14) is rotatably connected with the lower wall of the shell (1), one end of the threaded rod (14) is connected with the first servo motor (16) through interference fit, the first servo motor (16) is fixedly installed on the side wall of the shell (1), two sections of external threads are symmetrically arranged on the threaded rod (14), a thread block (15) is respectively sleeved on each section of the external threads, the thread block (15) is in threaded connection with the external threads, the upper part of the thread block (15) is hinged with a push rod (20), one end of the push rod (20) far away from the thread block (15) is rotatably connected with a lifting seat (21), the upper part of the lifting seat (21) is, the upper end of the lifting rod (18) is hinged with a hinged block (19), the hinged block (19) is movably arranged in a horizontal hinged seat (17), and the horizontal hinged seat (17) is fixedly connected with the lower screen (7) through a bolt.

9. The multi-level screening device of grit for construction according to claim 8, characterized in that, the one end fixed mounting that the threaded rod (14) kept away from first servo motor (16) has runner (13), the lateral wall of runner (13) articulates there is second articulated rod (12), the one end that the runner (13) was kept away from to second articulated rod (12) articulates there is first articulated rod (9), the one end that second articulated rod (12) was kept away from to first articulated rod (9) articulates there is third articulated seat (10), third articulated seat (10) and the lateral wall sliding connection of casing (1).

10. The multi-level screening device for the sand and stone for the building construction as claimed in any one of claims 1 to 4, wherein a partition plate (11) is fixedly arranged in the screening chamber (6).

Technical Field

The invention relates to the technical field of buildings, in particular to a multi-level sand and stone screening device for building construction.

Background

The grit is common building material, when the building construction, needs to carry out the segmentation with the building grit of different particle diameters for the grit is passed through the sieve mesh and is subdivided, and at present stage, subdivide the grit and mainly adopt ordinary screen cloth to screen, during the use, supports the screen cloth subaerial, carries out manual operation by constructor, so not only can reduce screening efficiency, has still increased constructor's work burden simultaneously.

Chinese patent CN208695529U discloses a grit screening plant for construction, including a jar body, its characterized in that: the feed inlet has been seted up at jar body top, and jar internal wall installs the screen cloth, the screen cloth left side links to each other with screen cloth stretching device, and screen cloth below links together with the link joint, jar body right side outer wall links to each other with the grit discharge port, and jar external wall left side links together with the bin outlet, screen cloth inner wall center links to each other with the vibrating arm, and vibrating arm below and vibrating motor swing joint, the vibrating arm below links together with driving motor, and installs the bottom plate below the driving motor, bottom plate both sides and support fixed connection, but the device can not roll the grit and handle for the grit of caking can not be screened, therefore, we propose a multi-level sieving mechanism of grit for construction.

Disclosure of Invention

The invention aims to provide a multi-level sand and stone screening device for building construction, which comprises a shell and a screening cavity, wherein the screening cavity is arranged in the shell, a screening assembly is arranged in the screening cavity, a driving assembly is arranged at the lower part of the screening assembly and is connected with the screening assembly, a rolling cavity for rolling sand and stone is arranged at the top of the screening cavity, the rolling cavity is internally provided with the rolling assembly, and a partition plate is fixedly arranged in the screening cavity so as to solve the problem that the existing device cannot roll sand and stone, so that the agglomerated sand and stone cannot be screened.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a multi-level sieving mechanism of grit for construction, includes casing and screening chamber, is equipped with the screening chamber in the casing, and the screening intracavity is equipped with the screening subassembly, and the lower part of screening subassembly is equipped with drive assembly, and drive assembly is connected with the screening subassembly, and the top in screening chamber is equipped with the chamber that rolls that is used for rolling the grit, rolls the intracavity and is equipped with and rolls the subassembly, and screening intracavity fixed mounting has the baffle.

As a further scheme of the invention: roll chamber upper surface central point and put and be equipped with the pan feeding mouth, the pan feeding mouth with roll the chamber intercommunication, roll the subassembly including hourglass orifice plate, second servo motor and grinding block, second servo motor fixed mounting is at the top in the chamber of rolling, second servo motor's output fixedly connected with grinding block, grinding block's below is equipped with the hourglass orifice plate.

As a still further scheme of the invention: the orifice plate is the recess column structure that the center is low, high all around, and the lower surface and the orifice plate parallel arrangement of grinding block have a plurality of small openings on the orifice plate equipartition.

As a still further scheme of the invention: the screening subassembly includes screen cloth and lower screen cloth, goes up the upper portion that the screen cloth set up screen cloth under, and goes up the screen cloth and all inclines to set up with lower screen cloth, and the one end of going up the screen cloth articulates there is first articulated seat, and the other end of going up the screen cloth articulates there is the third articulated seat, and the articulated seat of bolt fixedly connected with second is passed through to the lower part of first articulated seat, installs screen cloth down on the articulated seat of second, and lower screen cloth and the articulated seat of second are articulated, and first articulated seat fixed mounting is at the lateral wall of casing.

As a still further scheme of the invention: the one end that the articulated seat of second was kept away from to screen cloth down rotates and is connected with the guide plate, and the guide plate is installed on the lateral wall of casing, and the bin outlet has been seted up to the lateral wall of casing.

As a still further scheme of the invention: drive assembly includes threaded rod and first servo motor, the threaded rod sets up the bottom in the screening chamber, and the lower wall of threaded rod and casing rotates to be connected, the one end of threaded rod is connected with first servo motor through interference fit, first servo motor fixed mounting is on the lateral wall of casing, the symmetry is equipped with two sections external screw threads on the threaded rod, it is equipped with the thread piece to overlap respectively on every section external screw thread, through threaded connection between thread piece and the external screw thread, the upper portion of thread piece articulates there is the push rod, the one end that the thread piece was kept away from to the push rod rotates and is connected with the lift seat, bolt fixedly connected with lifter is passed through on the upper portion of lift seat, the upper end of lifter articulates there is articulated piece, articulated piece movable mounting is in the articulated seat of level.

As a still further scheme of the invention: the one end fixed mounting that first servo motor was kept away from to the threaded rod has the runner, and the lateral wall of runner articulates there is the second hinge bar, and the one end that the runner was kept away from to the second hinge bar articulates there is first hinge bar, and the one end that the second hinge bar was kept away from to first hinge bar articulates there is the third hinge seat, the lateral wall sliding connection of third hinge seat and casing.

In conclusion, the beneficial effects of the invention are as follows: according to the embodiment of the invention, the grinding assembly is arranged, so that the grinding treatment of the gravel in the grinding cavity is realized, the problem of low gravel filtering efficiency caused by gravel caking is avoided, and meanwhile, the multi-level and sufficient screening of the gravel is realized by the arrangement of the screening assembly.

Drawings

Fig. 1 is a schematic structural diagram of the invention.

Fig. 2 is a schematic structural view of a first hinge seat in the invention.

Fig. 3 is a schematic structural diagram of a baffle in the invention.

Fig. 4 is a partially enlarged schematic view of a in fig. 1.

Fig. 5 is a partially enlarged schematic view of B in fig. 1.

Fig. 6 is a schematic structural diagram of the rolling assembly of the invention.

In the figure: the device comprises a shell 1, a grinding cavity 2, a first hinging seat 3, a second hinging seat 4, an upper screen 5, a screening cavity 6, a lower screen 7, a guide plate 8, a first hinging rod 9, a third hinging seat 10, a partition plate 11, a second hinging rod 12, a rotating wheel 13, a threaded rod 14, a threaded block 15, a first servo motor 16, a horizontal hinging seat 17, a lifting rod 18, a hinging block 19, a pushing rod 20, a lifting seat 21, a perforated plate 22, a second servo motor 23 and a grinding block 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.