CN219003752U

CN219003752U - A sieving mechanism for concrete raw materials

Info

Publication number: CN219003752U
Application number: CN202223054590.5U
Authority: CN
Inventors: 李茂辉
Original assignee: Taizhou Road Construction Building Materials Technology Development Co ltd
Current assignee: Taizhou Road Construction Building Materials Technology Development Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-12
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a screening device for concrete raw materials, and relates to the technical field of concrete screening. This device is when screening the concrete raw materials, rotate through the pivot and drive conflict board extrusion conflict piece to make and beat the stick and remove on the gag lever post and extrude the spring, when the pivot drives conflict board and rotates to break away from conflict piece, beat the stick and strike the rotary drum under the effect of spring, make the rotary drum shake, make the inside concrete raw materials that blocks up of sieve mesh drop, thereby avoid the sieve mesh jam on rotary drum surface, reduce the required manpower and the time of mediation sieve mesh, and then improve the efficiency of concrete raw materials screening.

Description

A sieving mechanism for concrete raw materials

Technical Field

The utility model belongs to the technical field of concrete screening, and particularly relates to a screening device for concrete raw materials.

Background

Concrete refers to a generic term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material. The term concrete generally refers to cement as a cementing material, sand and stone as aggregate; the cement concrete, also called ordinary concrete, obtained by mixing the cement concrete with water (which can contain additives and admixtures) according to a certain proportion is widely applied to civil engineering.

Based on the above, the present inventors found that the following problems exist: the current concrete raw materials need to screen the raw materials before the stirring, select out wherein suitable size, and the screen cloth is very easily blocked by the raw materials when the present concrete raw materials sieve separator is used, need the manual work to beat the screen cloth with the hammer and dredge, and this process is wasted time and energy, influences screening efficiency.

Accordingly, in view of the above, research and improvement have been made on the conventional structure and the conventional defects, and a screening apparatus for concrete raw materials has been provided in order to achieve the purpose of more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a screening device for concrete raw materials, which aims to solve the problems that the screen mesh of the existing concrete screening machine is easy to block, and the manual dredging is required to be carried out, so that time and labor are wasted.

The utility model provides a screening device for concrete raw materials, which is characterized by comprising the following specific technical means:

the utility model provides a sieving mechanism for concrete raw materials, includes the base, the base slope sets up, and the top installs the dust cover, mounting groove one has still been seted up at the top of base, the bottom of dust cover is equipped with mounting groove two that correspond with mounting groove one, the rotary drum is installed jointly with mounting groove two inside to mounting groove one, one side of dust cover is equipped with the mounting box, a plurality of through-holes have evenly been seted up on the inner wall that is close to mounting box one side to the dust cover, a plurality of the through-hole is inside all to be installed the beat stick, just beat the one end of stick and all penetrate the mounting box inside, one side of mounting box inside is equipped with the gag lever post that corresponds with beat stick quantity, just beat the one end that the stick is located the mounting box inside and all overlap in the surface of gag lever post, just the surface of gag lever post all overlaps and be equipped with the spring, the both ends of spring are offset with stick and mounting box inner wall respectively, beat the one end that the stick is located the mounting box inside all is equipped with the conflict piece, the pivot is still installed to the pivot, the surface be equipped with the conflict board that corresponds with conflict piece position and quantity.

Further, the abutting plates are spirally staggered on the surface of the rotating shaft.

Further, screening holes are uniformly formed in the surface of the rotary drum, and a plurality of poking plates are uniformly arranged in the rotary drum.

Furthermore, a tooth groove is formed in the surface of one end of the rotary drum, a gear is mounted at one end, close to the tooth groove, of the rotary drum, and the gear is meshed with the tooth groove.

Further, the gear and the rotating shaft are driven by a motor.

Further, the bottom of base is equipped with the supporting legs, the feeder hopper is installed at the top of the higher one end of base, just the bottom of feeder hopper communicates with each other with the rotary drum is inside, the bottom of base is equipped with first discharge gate, the rotary drum is equipped with the second discharge gate in the one end of keeping away from the feeder hopper, the base is equipped with out the hopper in the position department that is close to second discharge gate bottom.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, when the rotating shaft rotates, the abutting plate on the rotating shaft can extrude the abutting block of the knocking rod, so that the knocking rod moves and extrudes the spring, the spring can accumulate elastic potential energy, when the abutting plate is separated from the abutting block, the spring knocks the hammer to the rotating drum by releasing the accumulated elastic potential energy, so that the concrete raw materials blocked in the sieve holes of the rotating drum fall off, further the sieve holes are prevented from being blocked, manpower and time for manual dredging are reduced, the screening efficiency is improved, and the shifting plate is arranged in the rotating drum, so that the concrete raw materials in the rotating drum can fall down after reaching a certain height, the concrete raw materials can be screened more sufficiently due to larger force during falling, and then the screened concrete raw materials flow out from the first discharge hole and the second discharge hole respectively.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is an enlarged schematic view of the a structure of fig. 2 in accordance with the present utility model.

Fig. 4 is a schematic side cross-sectional view of the present utility model.

Fig. 5 is an enlarged schematic view of the B structure of fig. 4 according to the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a base; 2. a dust cover; 3. a rotating drum; 4. a mounting box; 5. knocking a rod; 6. a limit rod; 7. a spring; 8. a collision block; 9. a rotating shaft; 10. a contact plate; 11. a poking plate; 12. tooth slots; 13. a gear; 14. a feed hopper; 15. a first discharge port; 16. a second discharge port; 17. discharging a hopper; 18. and supporting the feet.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 5:

the utility model provides a screening device for concrete raw materials, which comprises a base 1, wherein the base 1 is obliquely arranged, a dust cover 2 is installed at the top of the base 1, a first installation groove is formed in the top of the base 1, a second installation groove corresponding to the first installation groove is formed in the bottom of the dust cover 2, a rotary drum 3 is installed in the first installation groove and the second installation groove together, a mounting box 4 is arranged on one side of the dust cover 2, a plurality of through holes are uniformly formed in the inner wall of one side, close to the mounting box 4, of the dust cover 2, a knocking rod 5 is installed in the plurality of through holes, one end of the knocking rod 5 penetrates into the mounting box 4, one side of the inner side of the mounting box 4 is provided with a limiting rod 6 corresponding to the number of the knocking rod 5, one end of the knocking rod 5 is sleeved on the surface of the limiting rod 6, springs 7 are sleeved on the surfaces of the limiting rod 6, two ends of the springs 7 are respectively abutted against the inner walls of the knocking rod 5 and the mounting box 4, one ends of the inner sides of the mounting box 4 are respectively provided with a pressing block 8, a rotating shaft 9 is also installed in the inner side of the mounting box 4, the rotating shaft 10 is arranged in the pressing block, the surface of the rotating shaft 9 is provided with a pressing plate 10 corresponding to the pressing block 8, the number of the pressing block 10 is pressed against the rotating shaft, and the rotating plate 10 is pressed against the rotating shaft 10, and the rotating plate 10 is pressed against the rotating shaft 8, and accordingly the rotating plate 10 is pressed against the rotating shaft 7, and can be separated from the rotating plate 8, and the rotating plate 10, and the rotating plate is pressed against the rotating plate, and the rotating plate is made and the pressing plate. Thereby avoiding the blocking of the sieve holes.

Wherein the abutting plates 10 are spirally staggered on the surface of the rotating shaft 9.

Wherein, the screening hole has evenly been seted up on the surface of rotary drum 3, and the inside of rotary drum 3 evenly is equipped with a plurality of poking plate 11, and rotary drum 3 rotates, and the poking plate 11 through the inside setting of rotary drum 3 constantly promotes concrete raw materials and drops, makes concrete raw materials constantly beat on the sieve mesh of rotary drum 3, because dynamics when falling down is great, the effect of screening naturally also can be better.

Wherein, tooth grooves 12 are arranged on the surface of one end of the rotary drum 3, a gear 13 is arranged on the top of the base 1 at one end, which is close to the rotary drum 3 and is provided with the tooth grooves 12, and the gear 13 is meshed with the tooth grooves 12.

Wherein, the gear 13 and the rotating shaft 9 are driven by a motor.

Wherein, the bottom of base 1 is equipped with supporting legs 18, and feeder hopper 14 is installed at the top of the higher one end of base 1, and the bottom of feeder hopper 14 communicates with each other with rotary drum 3 inside, and the bottom of base 1 is equipped with first discharge gate 15, and rotary drum 3 is equipped with second discharge gate 16 in the one end of keeping away from feeder hopper 14, and base 1 is equipped with out hopper 17 in the position department that is close to second discharge gate 16 bottom.

Specific use and action of the embodiment:

according to the utility model, firstly, concrete raw materials to be screened are added into the rotary drum 3 through the feed hopper 14, the rotary drum 3 rotates, the concrete raw materials are continuously lifted and fall through the poking plate 11 arranged in the rotary drum 3, the concrete raw materials are continuously beaten on sieve holes of the rotary drum 3, smaller raw materials in the concrete raw materials are screened out and discharged through the first discharge hole 15, meanwhile, due to the inclined arrangement of the base 1, the rotary drum 3 screens the concrete raw materials, the left larger concrete raw materials can flow out to the second discharge hole 16 arranged on the rotary drum 3, dust and dust are discharged during screening can be reduced through the installation of the dust cover 2 at the top of the base 1, environmental pollution caused by surrounding is reduced, the installation of the installation box 4 is arranged on the dust cover 2, and when the rotary shaft 9 rotates, the abutting plate 10 on the rotary shaft 9 can squeeze the abutting blocks 8 of the knocking rod 5, so that the knocking rod 5 moves and extrudes the spring 7, elastic potential energy is accumulated by the spring 7, when the abutting plate 10 is separated from the abutting blocks 8, the left larger concrete raw materials can flow out to the second discharge hole 16 arranged on the rotary drum 3, the dust and the dust is discharged during the installation of the rotary drum 3, the dust is reduced, and the dust is prevented from polluting the surrounding environment caused by the dust and the dust is prevented from being caused to fall to the same.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A sieving mechanism for concrete raw materials, its characterized in that: including base (1), base (1) slope sets up, and installs dust cover (2) at the top, mounting groove one has still been seted up at the top of base (1), the bottom of dust cover (2) is equipped with mounting groove two that correspond with mounting groove one, mounting groove one and mounting groove two inside install rotary drum (3) jointly, one side of dust cover (2) is equipped with install bin (4), dust cover (2) evenly has seted up a plurality of through-holes on the inner wall that is close to install bin (4) one side, a plurality of through-hole internally mounted all has beat stick (5), just beat the one end of stick (5) and all penetrate install bin (4) inside, one side of install bin (4) inside is equipped with gag lever post (6) that corresponds with beat stick (5) quantity, just beat the one end that stick (5) are located install bin (4) inside and all overlap in the surface of gag lever post (6), the surface of gag lever post (6) all is equipped with spring (7), just the both ends of spring (7) are equipped with respectively with beat bin (5) and install bin (4) and install pivot (8) inside the equal in that install bin (4), the surface of the rotating shaft (9) is provided with abutting plates (10) corresponding to the abutting blocks (8) in position and number.

2. A screening apparatus for concrete raw materials as claimed in claim 1, wherein: the abutting plates (10) are spirally staggered on the surface of the rotating shaft (9).

3. A screening apparatus for concrete raw materials as claimed in claim 1, wherein: screening holes are uniformly formed in the surface of the rotary drum (3), and a plurality of poking plates (11) are uniformly arranged in the rotary drum (3).

4. A screening apparatus for concrete raw materials as claimed in claim 1, wherein: the surface of one end of the rotary drum (3) is provided with tooth grooves (12), a gear (13) is arranged at one end, close to the rotary drum (3), of the top of the base (1) and provided with the tooth grooves (12), and the gear (13) is meshed with the tooth grooves (12).

5. The screening apparatus for concrete raw materials as recited in claim 4, wherein: the gear (13) and the rotating shaft (9) are driven by a motor.

6. A screening apparatus for concrete raw materials as claimed in claim 1, wherein: the bottom of base (1) is equipped with supporting legs (18), feeder hopper (14) are installed at the top of the higher one end of base (1), just the bottom of feeder hopper (14) communicates with each other with rotary drum (3) inside, the bottom of base (1) is equipped with first discharge gate (15), rotary drum (3) are equipped with second discharge gate (16) in the one end of keeping away from feeder hopper (14), base (1) are equipped with out hopper (17) in the position department that is close to second discharge gate (16) bottom.