CN222035666U - Multi-stage sand screening machine for construction engineering - Google Patents

Abstract

The utility model provides a multistage sand screening machine for constructional engineering, which belongs to the technical field of constructional engineering and comprises a screening hopper, wherein a multilayer screening mechanism is arranged in the screening hopper, a shaking mechanism is arranged outside the screening hopper, the multilayer screening mechanism comprises a screen frame, a screen and a collecting brush, the screen frame is arranged in the screening hopper, the screen is arranged on the inner wall of the screening hopper, the collecting brush is arranged above the screen, and the bottom of the collecting brush is contacted with the top of the screen. According to the utility model, sand is placed into the screening hopper, the screen frame is used for primarily screening the sand, the screen is used for further screening the sand, so that the sand screening is more uniform, after screening is finished, the sealing plug of the second outlet is taken out, the first motor is started to drive the connecting rod and the collecting brush on the movable frame to move, and the screen retained by the screen is cleaned out of the screening hopper, so that the screening hopper has the advantage of convenience in multi-layer screening of the sand.

Description

Multistage sand screening machine for constructional engineering

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a multistage sand screening machine for constructional engineering.

Background

The construction engineering is a part of the construction engineering, and refers to an engineering entity formed by the construction of various house buildings and auxiliary facilities thereof and the installation activities of lines, pipelines and equipment matched with the house buildings, wherein sand and cement are needed to be utilized in the construction process of the construction engineering in the prior art, and the sand is needed to be screened by utilizing a screen before being used.

For example, chinese patent publication No. CN218872850U discloses a sand screening bucket for construction engineering, including screening sand board, portable mouth has been seted up at the middle part of screening sand board both sides, the both ends fixedly connected with of screening sand board medial surface stabilizes the sideboard, and the medial surface fixedly connected with screening sand otter board that stabilizes the sideboard is relative, the middle part fixedly connected with dwang at screening sand board both ends has cup jointed the support sideboard in the lateral part activity of dwang, the lateral part fixedly connected with interlock board at dwang middle part is at the inside of annular spacing groove through slide bar sliding connection, and the lateral part threaded connection of slide bar front end has the locking ring simultaneously, through pressing arbitrary one side of screening sand board downwards, makes screening sand board slope, and the dwang drives the interlock board simultaneously and rotates, makes the slide bar slide in the inside of annular spacing groove, after screening sand board adjusts certain gradient, makes the trailing flank of locking ring hug closely with the lateral part of annular spacing groove to adjust the inclination of screening sand board.

However, the device has the following defects that sand is screened only once, more precise sand is difficult to separate out, the size of the screened sand is not uniform enough, and the sand screening plate is easy to be blocked after being used for multiple times, so that the screening effect is affected.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model develops a multistage sand screening machine for construction engineering, which can screen sand in multiple layers and has the characteristic of high screening efficiency.

The technical scheme for solving the technical problems is as follows:

the multistage sand screening machine for the construction engineering comprises a screening hopper, wherein a multi-layer screening mechanism is arranged in the screening hopper, and a shaking mechanism is arranged outside the screening hopper; the multi-layer screening mechanism comprises a screen frame, a screen and a collecting brush, wherein the screen frame is arranged in the screening hopper, the screen is arranged on the inner wall of the screening hopper, the collecting brush is arranged above the screen, and the bottom of the collecting brush is contacted with the top of the screen; the shaking mechanism comprises a driven plate, a base and a cam, wherein the driven plate is arranged on the outer wall of one side of the screening hopper, the base is arranged below the screening hopper, and the cam is arranged on one side of the screening hopper.

On the basis of the multistage sand screening machine for the constructional engineering, the first supporting block is arranged on the outer wall of one side of the screen frame, the second supporting block is arranged on the outer wall of one side of the screen frame, the first supporting block and the outer wall of one side of the second supporting block are fixedly connected with the inner wall of one side of the screening hopper, the guide plate is arranged on the outer wall of one side of the screen frame, the first outlet is formed in the outer wall of one side of the screening hopper, and the first motor is arranged on the outer wall of one side of the screening hopper.

Above-mentioned multistage screening sand machine basis for building engineering, the inner wall movable mounting threaded rod of screening fill, the one end of threaded rod and one side outer wall fixed connection of first motor, movable mounting removes the frame on the outer wall of threaded rod, the inner wall movable mounting guide bar of removing the frame, the one end and the one side inner wall fixed connection of screening fill of guide bar, the second export has all been seted up on the both sides outer wall of screening fill, the inside of second export sets up the sealing plug.

Above-mentioned multistage sand screening machine foundation for building engineering, the inner wall movable mounting connecting rod of removing the frame, the bottom of connecting rod and the top fixed connection of collecting the brush, the inner wall installation horizontal pole of removing the frame, movable mounting slider on the outer wall of horizontal pole, the bottom movable mounting articulated lever of slider, the one end of articulated lever and the top swing joint of collecting the brush, the spring is established to the movable cover on the outer wall of horizontal pole, the one end that the slider was kept away from to the spring and one side inner wall fixed connection of removing the frame, the one end that the spring is close to the slider and one side outer wall fixed connection of slider.

On the basis of the multistage sand screening machine for the building engineering, the friction wheel is arranged on the outer wall of one side of the driven plate, the outer surface of the friction wheel is contacted with the outer surface of the cam, and the stabilizing block is arranged at the top of the base.

On the basis of the multistage sand screening machine for the building engineering, the second motor is installed at the top of the stabilizing block, the outer wall of the output shaft of the second motor is fixedly connected with the inner wall of the cam, the pressure spring is installed on the outer wall of one side of the screening bucket, and one end of the pressure spring is fixedly connected with the outer wall of one side of the base.

Above-mentioned multistage sand screening machine foundation for building engineering, the base top interval sets up two concave blocks, the inner wall movable mounting movable block of concave block, the bottom fixed connection of movable block's top and screening fill.

The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:

The utility model provides a multistage sand screening machine for constructional engineering, which is characterized in that sand is screened further by a screen frame under the interaction of a screen frame, a first supporting block, a second supporting block, a screen, a collecting brush, a guide plate, a first motor, a threaded rod, a movable frame, a cross rod, a sliding block, a hinged rod spring, a guide rod and a connecting rod, wherein the sand is put into a screening hopper, the screen frame is used for primarily screening the sand, the screen is used for screening the sand further, so that the sand screening is more uniform, after screening is finished, a sealing plug of a second outlet is taken out, the first motor is started to enable the threaded rod to drive the connecting rod and the collecting brush on the movable frame to move, and the screen retained by the screen is cleaned out of the screening hopper.

The utility model provides a multistage sand screening machine for construction engineering, which is characterized in that under the interaction of a driven plate, a base, a cam, a friction wheel, a stabilizing block, a second motor, a pressure spring, a concave block and a moving block, the cam is driven to rotate and extrude the friction wheel by starting the second motor, the friction wheel extrudes a screening bucket on the driven plate to extrude the pressure spring, when the cam rotates to no longer extrude the friction wheel, the elasticity of the pressure spring enables the screening bucket to recover, and the screening bucket drives an inner screen frame and a screen to shake continuously by the reciprocating rotation of the second motor, so that the screening efficiency is improved, and the multistage sand screening machine has the advantage of high screening efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a structured multi-layer screening mechanism of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a structural shake mechanism of the utility model.

In the figure: 1. screening hopper; 2. a multi-layer screening mechanism; 21. a screen frame; 211. a first support block; 212. a second support block; 22. a screen; 23. collecting brushes; 24. a guide plate; 25. a first motor; 26. a threaded rod; 27. a moving rack; 271. a cross bar; 272. a slide block; 273. a hinge rod; 274. a spring; 28. a guide rod; 29. a connecting rod; 3. a shaking mechanism; 31. a driven plate; 32. a base; 33. a cam; 34. a friction wheel; 35. a stabilizing block; 36. a second motor; 37. a pressure spring; 38. a concave block; 39. and (5) moving the block.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model.

As shown in fig. 1-2, the utility model provides a multistage sand screening machine for construction engineering, comprising a screening bucket 1, wherein a multilayer screening mechanism 2 is arranged in the screening bucket 1, a shaking mechanism 3 is arranged outside the screening bucket 1, the multilayer screening mechanism 2 comprises a screen frame 21, a screen 22 and a collecting brush 23, the screen frame 21 is arranged in the screening bucket 1, the screen 22 is fixedly arranged on the inner wall of the screening bucket 1, the collecting brush 23 is arranged above the screen 22, the bottom of the collecting brush 23 is contacted with the top of the screen 22, the shaking mechanism 3 comprises a driven plate 31, a base 32 and a cam 33, the driven plate 31 is fixedly arranged on one side outer wall of the screening bucket 1, the base 32 is arranged below the screening bucket 1, the cam 33 is arranged on one side of the screening bucket 1, a first supporting block 211 is fixedly arranged on one side outer wall of the screen frame 21, the second supporting block 212 is fixedly arranged on one side outer wall of the screen frame 21, the first supporting block 211 and one side outer wall of the second supporting block 212 are fixedly connected with one side inner wall of the screening bucket 1, the guide plate 24 is fixedly arranged on one side outer wall of the screen frame 21, a first outlet is formed in one side outer wall of the screening bucket 1, the first motor 25 is fixedly arranged on one side outer wall of the screening bucket 1, the threaded rod 26 is movably arranged on the inner wall of the screening bucket 1, one end of the threaded rod 26 is fixedly connected with one side outer wall of the first motor 25, the movable frame 27 is movably arranged on the outer wall of the threaded rod 26, the guide rod 28 is movably arranged on the inner wall of the movable frame 27, one end of the guide rod 28 is fixedly connected with one side inner wall of the screening bucket 1, a second outlet is formed in two side outer walls of the screening bucket 1, and a sealing plug is arranged in the second outlet;

Through putting into screening fill 1 with sand, screen frame 21 carries out preliminary screening to sand, and some great sieves of granule pass through baffle 24 roll-off first export, and sand after preliminary screening falls on screen cloth 22, and screen cloth 22 carries out further screening to sand, makes more even of sand screening, and after the screening is accomplished, takes out the sealing plug of second export, starts first motor 25 and drives threaded rod 26 rotation, and threaded rod 26 drives connecting rod 29 and collection brush 23 removal on the movable frame 27, cleans out screening fill 1 with the sieve that screen cloth 22 held back.

As shown in fig. 3, the present utility model provides a technical solution: preferably, the inner wall of the movable frame 27 is movably provided with a connecting rod 29, the bottom end of the connecting rod 29 is fixedly connected with the top of the collecting brush 23, the inner wall of the movable frame 27 is fixedly provided with a cross rod 271, the outer wall of the cross rod 271 is movably provided with a sliding block 272, the bottom of the sliding block 272 is movably provided with a hinged rod 273, one end of the hinged rod 273 is movably connected with the top of the collecting brush 23, the outer wall of the cross rod 271 is movably sleeved with a spring 274, one end of the spring 274, which is far away from the sliding block 272, is fixedly connected with the inner wall of one side of the movable frame 27, and one end of the spring 274, which is close to the sliding block 272, is fixedly connected with the outer wall of one side of the sliding block 272;

the spring 274 is pressed by the sliding block 272 on the hinge rod 273 when the collecting brush 23 moves, and the elastic force of the spring 274 can act against the collecting brush 23 to enable the collecting brush 23 to be always attached to the screen 22 when the collecting brush 23 moves.

As shown in fig. 4, the present utility model provides a technical solution: preferably, a friction wheel 34 is fixedly arranged on the outer wall of one side of the driven plate 31, the outer surface of the friction wheel 34 is contacted with the outer surface of the cam 33, a stabilizing block 35 is fixedly arranged at the top of the base 32, a second motor 36 is fixedly arranged at the top of the stabilizing block 35, the outer wall of an output shaft of the second motor 36 is fixedly connected with the inner wall of the cam 33, a pressure spring 37 is fixedly arranged on the outer wall of one side of the screening bucket 1, one end of the pressure spring 37 is fixedly connected with the outer wall of one side of the base 32, a concave block 38 is fixedly arranged at the top of the base 32, two concave blocks 38 are arranged, a movable block 39 is movably arranged at the inner wall of the concave block 38, and the top of the movable block 39 is fixedly connected with the bottom of the screening bucket 1;

When sand enters the screening bucket 1, the second motor 36 is started to drive the cam 33 to rotate and press the friction wheel 34, the friction wheel 34 drives the screening bucket 1 on the driven plate 31 to move leftwards and press the pressure spring 37, when the cam 33 rotates to the position that the friction wheel 34 is not pressed any more, the elasticity of the pressure spring 37 enables the screening bucket 1 to recover, and the screening bucket 1 drives the inner screen frame 21 and the screen 22 to shake continuously through the reciprocating rotation of the second motor 36, so that screening efficiency is improved.

The working process of the multistage sand screening machine for the construction engineering is specifically described below.

As shown in fig. 1-4, when the sand to be used in the construction engineering needs to be screened, the sand is put into the screening bucket 1, the screen frame 21 carries out preliminary screening on the sand, the screen with larger particles slides out of the first outlet through the guide plate 24, the sand after preliminary screening falls onto the screen 22, the screen 22 carries out further screening on the sand, the sand screening is more uniform, after screening is completed, the sealing plug of the second outlet is taken out, the first motor 25 is started to drive the threaded rod 26 to rotate, the threaded rod 26 drives the connecting rod 29 and the collecting brush 23 on the movable frame 27 to move, the screen 22 is cleaned out of the screening bucket 1, the spring 274 is pressed by the sliding block 272 on the hinged rod 273 when the collecting brush 23 moves, the elasticity of the spring 274 can act reversely with the collecting brush 23, the collecting brush 23 is always attached to the screen 22 when moving, the advantages of convenience are achieved, after the sand enters the screening bucket 1, the second motor 36 is started to drive the cam 33 to rotate and squeeze the friction wheel 34, the friction wheel 34 drives the screening bucket 1 on the driven plate 31 to move leftwards and squeeze the friction wheel 37, and the pressure spring 37 is not pushed to rotate, and the efficiency of the screen 22 is increased, and the efficiency of the reciprocating spring is increased, and the efficiency of the screen is increased, and the efficiency of the pressure spring is increased, and the efficiency is increased.

The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" 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 "mounted," "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, and can be communication between two elements. 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.

While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present utility model.

Claims (7)

1. Multistage sand screening machine for building engineering, including screening fill (1), its characterized in that: a multi-layer screening mechanism (2) is arranged in the screening hopper (1), and a shaking mechanism (3) is arranged outside the screening hopper (1); the multi-layer screening mechanism (2) comprises a screen frame (21), a screen (22) and a collecting brush (23), wherein the screen frame (21) is arranged in the screening hopper (1), the screen (22) is arranged on the inner wall of the screening hopper (1), the collecting brush (23) is arranged above the screen (22), and the bottom of the collecting brush (23) is in contact with the top of the screen (22); the shaking mechanism (3) comprises a driven plate (31), a base (32) and a cam (33), wherein the driven plate (31) is arranged on the outer wall of one side of the screening hopper (1), the base (32) is arranged below the screening hopper (1), and the cam (33) is arranged on one side of the screening hopper (1).

2. The multistage sand screening machine for construction engineering according to claim 1, wherein: a first supporting block (211) is arranged on the outer wall of one side of a screen frame (21), a second supporting block (212) is arranged on the outer wall of one side of the screen frame (21), the outer walls of one side of the first supporting block (211) and the second supporting block (212) are fixedly connected with the inner wall of one side of a screening bucket (1), a guide plate (24) is arranged on the outer wall of one side of the screen frame (21), a first outlet is formed in the outer wall of one side of the screening bucket (1), and a first motor (25) is arranged on the outer wall of one side of the screening bucket (1).

3. The multistage sand screening machine for construction engineering according to claim 2, wherein: the inner wall movable mounting threaded rod (26) of screening fill (1), the one end of threaded rod (26) and one side outer wall fixed connection of first motor (25), movable mounting removes frame (27) on the outer wall of threaded rod (26), the inner wall movable mounting guide bar (28) of removing frame (27), the one end and the one side inner wall fixed connection of screening fill (1) of guide bar (28), the second export has all been seted up on the both sides outer wall of screening fill (1), the inside of second export sets up the sealing plug.

4. A multistage sand screening machine for construction engineering according to claim 3, wherein: the inner wall movable mounting connecting rod (29) of movable frame (27), the bottom of connecting rod (29) and the top fixed connection of collecting brush (23), the inner wall installation horizontal pole (271) of movable frame (27), movable mounting slider (272) on the outer wall of horizontal pole (271), the bottom movable mounting articulated pole (273) of slider (272), the one end and the top swing joint of collecting brush (23) of articulated pole (273), movable sleeve establishes spring (274) on the outer wall of horizontal pole (271), the one end and the one side inner wall fixed connection of movable frame (27) of slider (272) are kept away from to spring (274), one end and one side outer wall fixed connection of slider (272) that spring (274) are close to slider (272).

5. The multistage sand screening machine for construction engineering according to claim 1, wherein: a friction wheel (34) is arranged on the outer wall of one side of the driven plate (31), the outer surface of the friction wheel (34) is contacted with the outer surface of the cam (33), and a stabilizing block (35) is arranged at the top of the base (32).

6. The multistage sand screening machine for construction engineering according to claim 5, wherein: the top of the stabilizing block (35) is provided with a second motor (36), the outer wall of an output shaft of the second motor (36) is fixedly connected with the inner wall of the cam (33), the outer wall of one side of the screening bucket (1) is provided with a pressure spring (37), and one end of the pressure spring (37) is fixedly connected with the outer wall of one side of the base (32).

7. A multistage sand screening machine for construction engineering according to any one of claims 1 to 6, characterized in that: two concave blocks (38) are arranged at the top of the base (32) at intervals, a moving block (39) is movably arranged on the inner wall of the concave block (38), and the top of the moving block (39) is fixedly connected with the bottom of the screening hopper (1).