CN220258676U - Closed special screen with multilayer screening structure - Google Patents

Abstract

The utility model discloses a closed special sieve with a multi-layer screening structure, which relates to the technical field of soil sample preparation and comprises an outer shell, a sieve material component and a crushed aggregates screening component, wherein a first sieve material box, a crushed aggregates chamber and a second sieve material box are sequentially arranged in the outer shell from top to bottom, the sieve material component is arranged in the first sieve material box and the second sieve material box, the crushed aggregates screening component is arranged in the crushed aggregates chamber, the crushed aggregates screening component comprises a sieve frame, a motor shaft, a crushing roller and a crushed aggregates blade, the sieve frame is arranged in the crushed aggregates chamber, the crushed aggregates chamber and the sieve frame are of a cylindrical structure, the crushing roller is rotatably arranged in the middle of the inside of the sieve frame through the motor shaft, and the crushed aggregates blade is uniformly fixed on the outer side of the crushing roller. This closed special sieve that has multilayer screening structure, first sieve workbin and the inside sieve material subassembly of second sieve material case are convenient for carry out twice sieve material to soil, and crushed aggregates screening subassembly is convenient for carry out crushed aggregates to soil and sieves the material again, and the functional preferred.

Description

Closed special screen with multilayer screening structure

Technical Field

The utility model relates to the technical field of soil sample preparation, in particular to a closed special sieve with a multi-layer screening structure.

Background

Soil sample preparation, i.e., soil sample preparation, refers to the process of subjecting a soil sample (disturbed during sampling) to mixing, drying, milling and sieving after it is collected from the field. In the soil sample preparation process, a special sieve is needed to sieve the soil.

The utility model as in application number CN202220103155.8 discloses a sample preparation screen for soil detection, and the special screen similar to the above application has the following disadvantages: in the soil screening process, a single screening structure is generally adopted, the soil needs to be screened for multiple times, the function is single, and the simultaneous multi-layer screening is inconvenient.

In view of the above, research and improvement have been made on the conventional structure and the conventional defects, and a closed type special screen with a multi-layer screening structure has been proposed.

Disclosure of Invention

The utility model aims to provide a closed special screen with a multi-layer screening structure, so as 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 closed special sieve that has multilayer screening structure, includes shell body, sieve material subassembly and crushed aggregates screening subassembly, the inside of shell body has set gradually first sieve workbin, crushed aggregates room and second sieve workbin from top to bottom, and the inside of first sieve workbin and second sieve workbin all installs the sieve material subassembly, crushed aggregates screening subassembly sets up in the inside of crushed aggregates room, and crushed aggregates screening subassembly includes reel, motor shaft, crushing roller and crushed aggregates sword, the inside of crushed aggregates room is provided with the reel, and crushed aggregates room and reel all are cylindric structure, the inside centre of reel is rotated through the motor shaft and is installed crushing roller, and the outside of crushing roller evenly is fixed with the crushed aggregates sword.

The lower both sides of crushed aggregates room all are connected with the unloading pipe, and communicate each other between the downside of unloading pipe and the second sieve bin.

The upper side of shell body is provided with the feeder hopper, and the downside of shell body is provided with the discharge gate, first sieve workbin and second sieve workbin rear side all are provided with the bin outlet.

The screen material subassembly includes screen cloth, spring and supporting shoe, the below both sides of screen cloth all are fixed with the spring, and the supporting shoe is installed to the below of spring, the inner wall fixed connection of supporting shoe and first screen material case, second screen material case.

The screen material assembly further comprises a vibration motor, an elastic structure is formed between the screen cloth and the supporting block through a spring, and the vibration motor is installed on the lower side of the screen cloth.

The screen cloth is connected with the inner walls of the first screen material box and the second screen material box in a sliding way, and the screen cloth is of an inclined structure.

The crushed aggregates screening component still includes discharge valve pipe and spiral conveying pipe, the middle part below of reel is connected with discharge valve pipe, and the spiral conveying pipe is installed to the below of discharge valve pipe.

A servo motor is arranged on one side of the outer portion of the motor shaft, and the servo motor is located outside the outer shell.

The utility model provides a closed special screen with a multi-layer screening structure, which has the following beneficial effects:

the utility model is provided with the screening component, the screen is convenient to drive the screen to vibrate through the vibration motor, the screen can vibrate up and down through the elastic structure formed between the spring and the supporting block, the screen can vibrate and screen soil, the screening efficiency is improved, the screening components in the first screening box and the second screening box are convenient to screen soil twice, and the discharge port is convenient to discharge the unscreened soil.

The utility model is provided with the crushed aggregates screening component, the soil in the first screening box can enter the screen frame of the crushed aggregates room, the motor shaft, the crushing roller and the crushed aggregates blade are conveniently driven to rotate by the servo motor, so that the crushed aggregates blade can crush the soil in the crushed aggregates, and meanwhile, the screen frame can screen the soil, so that the crushed soil is evenly screened, and the large non-screened soil or gravel can enter the spiral feeding pipe for discharging through the discharge valve pipe, so that the functionality is better.

Drawings

FIG. 1 is a schematic view of the exterior structure of a closed type special screen with a multi-layered screening structure according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a closed type special screen with a multi-layer screening structure according to the present utility model;

FIG. 3 is a schematic diagram of the internal side view of a particle chamber with a closed type special screen with a multi-layer screening structure according to the present utility model.

In the figure: 1. an outer housing; 2. a feed hopper; 3. a first sifting bin; 4. a particle chamber; 5. discharging pipes; 6. a second sifting bin; 7. a discharge port; 8. a screening assembly; 801. a screen; 802. a spring; 803. a support block; 804. a vibration motor; 9. a discharge port; 10. a particle screening assembly; 1001. a screen frame; 1002. a motor shaft; 1003. a pulverizing roller; 1004. a particle blade; 1005. a discharge valve tube; 1006. a spiral feeding pipe; 11. a servo motor.

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.

As shown in fig. 1 to 2, a closed special screen with a multi-layer screening structure comprises an outer shell 1, a screening component 8 and a crushed aggregates screening component 10, wherein a first screening box 3, a crushed aggregates chamber 4 and a second screening box 6 are sequentially arranged in the outer shell 1 from top to bottom, the screening component 8 is arranged in each of the first screening box 3 and the second screening box 6, two sides below the crushed aggregates chamber 4 are connected with a blanking pipe 5, and the lower side of the blanking pipe 5 is communicated with the second screening box 6; the upper side of the outer shell 1 is provided with a feed hopper 2, the lower side of the outer shell 1 is provided with a discharge hole 7, and the rear sides of the first screening box 3 and the second screening box 6 are provided with discharge holes 9;

the concrete operation is as follows, first sieve workbin 3, crushed aggregates room 4 and second sieve workbin 6 integrate in the inside of shell body 1 and form closed multilayer sieve material structure, and feeder hopper 2 is convenient for the feeding, and the inside that soil after the inside crushed aggregates of crushed aggregates room 4 can enter into second sieve workbin 6 through unloading pipe 5, and first sieve workbin 3 and the inside sieve material subassembly 8 of second sieve workbin 6 are convenient for carry out twice sieve material to soil, and bin outlet 9 is convenient for carry out the ejection of compact to the soil that does not sieve.

As shown in fig. 2, the screening component 8 comprises a screen 801, springs 802 and supporting blocks 803, wherein the springs 802 are fixed on two sides below the screen 801, the supporting blocks 803 are arranged below the springs 802, and the supporting blocks 803 are fixedly connected with the inner walls of the first screening box 3 and the second screening box 6; the screen material component 8 further comprises a vibration motor 804, an elastic structure is formed between the screen 801 and the supporting blocks 803 through springs 802, and the vibration motor 804 is arranged on the lower side of the screen 801; the screen 801 is in sliding connection with the inner walls of the first screening box 3 and the second screening box 6, and the screen 801 is in an inclined structure;

the concrete operation is as follows, is convenient for drive the vibrations of screen cloth 801 through vibrating motor 804, and screen cloth 801 constitutes elastic structure through between spring 802 and the supporting shoe 803 and makes screen cloth 801 can cooperate vibrating motor 804 to vibrate from top to bottom, and then makes screen cloth 801 shake the screening to soil, improves screening efficiency.

As shown in fig. 2 to 3, the particle screening assembly 10 is disposed inside the particle chamber 4, and the particle screening assembly 10 includes a screen frame 1001, a motor shaft 1002, a pulverizing roller 1003, and a particle blade 1004, the inside of the particle chamber 4 is provided with the screen frame 1001, and the particle chamber 4 and the screen frame 1001 are both in a cylindrical structure, the pulverizing roller 1003 is rotatably mounted in the middle of the inside of the screen frame 1001 through the motor shaft 1002, and the particle blade 1004 is uniformly fixed on the outside of the pulverizing roller 1003; the crushed aggregates screening assembly 10 further comprises a discharge valve pipe 1005 and a spiral feeding pipe 1006, wherein the discharge valve pipe 1005 is connected below the middle part of the screen frame 1001, and the spiral feeding pipe 1006 is arranged below the discharge valve pipe 1005; a servo motor 11 is mounted on one side of the exterior of the motor shaft 1002, and the servo motor 11 is located outside the outer housing 1;

the specific operation is as follows, inside the inside soil of first sieve case 3 can get into the reel 1001 of crushed aggregates room 4, be convenient for drive motor shaft 1002 through servo motor 11, crushing roller 1003, the rotation of crushed aggregates sword 1004 for crushed aggregates sword 1004 can carry out the crushed aggregates to soil wherein, the reel 1001 can carry out the screen cloth to soil simultaneously, make the even sieving of soil after the cutting up, the massive soil or the gravel of not sieving can enter into spiral conveying pipe 1006 through discharge valve pipe 1005 and go out the ejection of compact, the functional preference.

To sum up, as shown in fig. 1-3, this closed special screen with multilayer screening structure, when in use, firstly, can send the soil into the inside of first screening case 3 through feeder hopper 2, rethread vibrating motor 804 drives the vibrations of screen cloth 801, screen cloth 801 passes through spring 802 and support 803 between constitute elastic structure and make screen cloth 801 can cooperate vibrating motor 804 to vibrate from top to bottom, and then make screen cloth 801 shake the sieving soil, then the inside soil of first screening case 3 can enter into the inside of screen frame 1001 of crushing room 4, rethread servo motor 11 drives motor shaft 1002, crushing roller 1003, the rotation of crushing sword 1004, make crushing sword 1004 can carry out the crushed aggregates to the soil therein, simultaneously make screen frame 1001 carry out the sieve material, make the even sieving of the soil after the crushing, bulk soil or gravel can get into spiral feed pipe 1006 through discharge valve pipe 1005, the inside of second screening case 6 is then got into through blanking pipe 5, make second screening case 6 inside screen assembly 8 carry out the secondary screening to the soil, this secondary screening process has carried out the multilayer screening process through the side of this multilayer screening case 6 after this multilayer screening structure 3, the multilayer screening process has been accomplished through the side of this multilayer screening case 7, the special screen cloth is finished.

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 (8)

1. The utility model provides a closed special sieve that has multilayer screening structure, includes shell body (1), sieve material subassembly (8) and crushed aggregates screening subassembly (10), its characterized in that, the inside of shell body (1) has set gradually first sieve case (3), crushed aggregates room (4) and second sieve case (6) from top to bottom, and sieve material subassembly (8) are all installed to the inside of first sieve case (3) and second sieve case (6), crushed aggregates screening subassembly (10) set up in the inside of crushed aggregates room (4), and crushed aggregates screening subassembly (10) include sieve frame (1001), motor shaft (1002), crushing roller (1003) and crushed aggregates sword (1004), the inside of crushed aggregates room (4) is provided with sieve frame (1001), and crushed aggregates room (4) and sieve frame (1001) all are cylindric structure, through motor shaft (1002) rotation in the middle of the inside of sieve frame (1001) install crushing roller (1003), and the outside of crushing roller (1003) evenly is fixed with crushed aggregates sword (1004).

2. The closed special screen with the multi-layer screening structure according to claim 1, wherein the two sides below the crushing chamber (4) are connected with a blanking pipe (5), and the lower side of the blanking pipe (5) is communicated with a second screening box (6).

3. The closed special screen with the multilayer screening structure according to claim 1, wherein a feed hopper (2) is arranged on the upper side of the outer shell (1), a discharge hole (7) is arranged on the lower side of the outer shell (1), and discharge holes (9) are formed in the rear sides of the first screen material box (3) and the second screen material box (6).

4. The closed special screen with the multilayer screening structure according to claim 1, wherein the screen material component (8) comprises a screen (801), springs (802) and supporting blocks (803), the springs (802) are fixed on two sides below the screen (801), the supporting blocks (803) are installed below the springs (802), and the supporting blocks (803) are fixedly connected with the inner walls of the first screen material box (3) and the second screen material box (6).

5. The enclosed type special screen with a multi-layer screening structure according to claim 4, wherein the screen material assembly (8) further comprises a vibration motor (804), the screen (801) forms an elastic structure through a spring (802) and a supporting block (803), and the vibration motor (804) is installed on the lower side of the screen (801).

6. The closed type special screen with the multi-layer screening structure according to claim 4, wherein the screen (801) is slidably connected with the inner walls of the first screen box (3) and the second screen box (6), and the screen (801) is of an inclined structure.

7. The closed special screen with multi-layer screening structure according to claim 1, wherein the crushed aggregates screening assembly (10) further comprises a discharge valve pipe (1005) and a spiral feeding pipe (1006), wherein the discharge valve pipe (1005) is connected to the lower middle part of the screen frame (1001), and the spiral feeding pipe (1006) is installed below the discharge valve pipe (1005).

8. A closed type special screen with a multi-layer screening structure according to claim 1, characterized in that the servo motor (11) is installed at the outer side of the motor shaft (1002), and the servo motor (11) is located at the outside of the outer casing (1).