Double screen box structure of plane rotary screen

Abstract

The utility model relates to the technical field of screen boxes, in particular to a double screen box structure of a plane rotary screen, which comprises a first vibration box, a second vibration box, a cover plate, a door plate and a handle. The second vibration box is installed on the upper end face of the first vibration box, and the upper end face of the second vibration box is detachably connected with a cover plate. One end of the door plate is rotationally connected with the cover plate, and the other end of the door plate is movably connected with the cover plate; a first screening assembly is arranged in the first vibration box; a second screening assembly is arranged on the first screening assembly; and a driving assembly is arranged on the second screening assembly. The first screening assembly, the second screening assembly and the driving assembly are installed in the second vibration box, and the driving assembly drives eccentric wheels on the two sides to rotate. And when the second screening plate vibrates, the first screening plate is driven to vibrate, and the second screening plate and the first screening plate are different in screening hole diameter, so that multi-layer screening of objects can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of screen boxes, in particular to a double screen box structure of a plane rotary screen. Background Art

[0002] The structure of the rotary screen is also called the drum screen. It is different from the common drum screen. The general drum screen has a single-layer screen, while the rotary screen has a double-layer screen.

[0003] The utility model with the authorization publication number CN218610357U discloses a double screen box structure of a plane rotary screen, comprising a double screen box main body, a particle crushing device is provided on one side of the double screen box main body, a discharging bucket is provided on one side of the particle crushing device, a coarse screen layer is provided on the inner side of the double screen box main body, a fine screen layer is provided at the bottom end of the coarse screen layer, a material receiving layer is provided at the bottom end of the fine screen layer, a crusher is provided on the inner side of the particle crushing device, a mounting plate is provided at one end of the double screen box main body, a feeding port is provided at the top of the mounting plate, a screen box partition is provided on one side of the mounting plate, a switch button is provided at one end of the particle crushing device, a movable door is provided on one side of the switch button, a handle is provided at the front end of the movable door, a crushing trough is provided on the inner side of the particle crushing device, a discharging trough is provided at the bottom end of the crushing trough, and a partition layer is provided between the crushing trough and the discharging trough.

[0004] However, the above technical solution has the following drawbacks: when the device processes large objects, the objects are easily released from the feed port, thereby affecting the screening quality. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a double screen box structure of a plane rotary screen.

[0006] The technical solution of the utility model: a double screen box structure of a plane rotary screen, comprising a first vibration box, a second vibration box, a cover plate, a door plate and a handle;

[0007] The second vibration box is installed on the upper end surface of the first vibration box, and the upper end surface of the second vibration box is detachably connected with a cover plate;

[0008] One end of the door panel is rotatably connected to the cover panel, the other end of the door panel is movably connected to the cover panel, and the handle is installed on the upper end surface of the door panel;

[0009] A first screening assembly for coarsely screening objects is provided in the first vibration box;

[0010] The first screening component is provided with a second screening component for fine screening of objects;

[0011] The second screening component is provided with a driving component for driving the first screening component and the second screening component.

[0012] Preferably, the first screening component includes a first mounting seat, a first connecting rod, a second mounting seat and a first sieve plate;

[0013] The first mounting seat, the first connecting rod and the second mounting seat correspond to each other one by one. There are four first mounting seats in total. The four first mounting seats are arranged in a rectangle, and the fixed ends of the four first mounting seats are all connected to the upper end surface inside the first vibration box;

[0014] One end of the first connecting rod is connected to the inside of the first mounting seat, and the other end of the first connecting rod is connected to the inside of the second mounting seat. The first mounting seat and the second mounting seat face in opposite directions;

[0015] The first sieve plate is located inside the four second mounting seats, and the outer peripheral surface of the first sieve plate is connected to the four second mounting seats.

[0016] Preferably, the second screening component includes a second sieve plate, a third mounting seat, a second connecting rod and a fourth mounting seat;

[0017] The third mounting seat, the second connecting rod and the fourth mounting seat correspond to each other one by one. There are four third mounting seats in total. The four third mounting seats are arranged in a rectangle, and the fixed ends of the four third mounting seats are all connected to the outer peripheral surface of the first sieve plate;

[0018] One end of the second connecting rod is connected to the inside of the third mounting seat, and the other end of the second connecting rod is connected to the inside of the fourth mounting seat. The third mounting seat and the fourth mounting seat face in opposite directions;

[0019] The second sieve plate is located inside the four fourth mounting seats, and the outer peripheral surface of the second sieve plate is connected to the four fourth mounting seats.

[0020] Preferably, the driving component includes a motor, an eccentric wheel and a connecting shaft;

[0021] The motor is installed on the upper end surface of one side of the first sieve plate. Both ends of the motor are eccentrically rotatably connected to one end of the eccentric wheel, and the other end of each eccentric wheel is connected to one end of the connecting shaft;

[0022] On both sides of the upper end surface of the end of the second sieve plate far from the motor, fixing plates are provided, and the other ends of the two eccentric wheels are respectively connected to the opposite sides of the two fixing plates.

[0023] Preferably, it further includes a stirring member;

[0024] A plurality of through holes are evenly formed on the side end surface of the second vibration box connected to the first vibration box. There are a plurality of stirring members in total. The plurality of stirring members are distributed in an array inside the second vibration box and are rotatably connected to the second vibration box.

[0025] Preferably, the projections of the first sieve plate and the second sieve plate are both U-shaped.

[0026] Preferably, the diameter of the sieve holes on the first sieve plate is greater than the diameter of the sieve holes on the second sieve plate.

[0027] Compared with the prior art, the above-mentioned technical scheme of the utility model has the following beneficial technical effects: by evenly installing a plurality of stirring members on the second vibration box, the material is placed in the second vibration box by opening the door panel, and the plurality of stirring members in the second vibration box crushes large objects, and the crushed objects fall into the second vibration box through the through hole at the connection between the first vibration box and the second vibration box, thereby reducing the possibility of large objects getting stuck in the sieve holes of the vibration box and preventing accidents.

[0028] By installing the first screening component and the second screening component and the drive component in the second vibration box, the drive component drives the eccentric wheels on both sides to rotate, thereby driving the second screen plate to vibrate, and when the second screen plate vibrates, the first screen plate is also driven to vibrate, and the screen hole diameters of the second screen plate and the first screen plate are different, so that objects can be screened in multiple layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional diagram of a double screen box structure of a flat rotary screen proposed by the utility model.

[0030] Figure 2 for Figure 1 A three-dimensional diagram of the explosion structure.

[0031] Figure 3 for Figure 2 A three-dimensional diagram of the coordinated installation of the first screening component, the second screening component and the driving component.

[0032] Figure numerals: 1. first vibration box; 2. second vibration box; 3. cover plate; 4. door panel; 5. handle; 6. stirring member; 7. first mounting seat; 8. first connecting rod; 9. second mounting seat; 10. first sieve plate; 11. motor; 12. eccentric wheel; 13. connecting shaft; 14. second sieve plate; 15. third mounting seat; 16. second connecting rod; 17. fourth mounting seat. DETAILED DESCRIPTION

[0033] Embodiment 1

[0034] like Figure 1-3 As shown, the utility model proposes a double screen box structure of a flat rotary screen, comprising a first vibration box 1, a second vibration box 2, a cover plate 3, a door plate 4, a handle 5 and a stirring member 6;

[0035] The second vibration box 2 is installed on the upper end surface of the first vibration box 1, and the upper end surface of the second vibration box 2 is detachably connected with a cover plate 3;

[0036] One end of the door panel 4 is rotatably connected to the cover plate 3, the other end of the door panel 4 is movably connected to the cover plate 3, and the handle 5 is installed on the upper end face of the door panel 4;

[0037] A first screening component for roughly screening objects is arranged in the first vibration box 1;

[0038] A second screening component for precisely screening objects is arranged on the first screening component;

[0039] A driving component for driving the first screening component and the second screening component is arranged on the second screening component.

[0040] The driving component includes a motor 11, an eccentric wheel 12 and a connecting shaft 13;

[0041] The motor 11 is installed on the upper end face of one side of the first sieve plate 10. Both ends of the motor 11 are eccentrically and rotatably connected to one end of the eccentric wheel 12, and the other end of each eccentric wheel 12 is connected to one end of the connecting shaft 13;

[0042] On both sides of the upper end face of the end of the second sieve plate 14 far from the motor 11, fixing plates are arranged, and the other ends of the two eccentric wheels 12 are respectively connected to the opposite sides of the two fixing plates.

[0043] A plurality of through holes are evenly formed in the side end face of the second vibration box 2 connected to the first vibration box 1. There are a plurality of stirring members 6 in total. The plurality of stirring members 6 are arranged in an array inside the second vibration box 2 and are rotatably connected to the second vibration box 2. By arranging a plurality of stirring members 6 evenly on the second vibration box 2, the material is put into the second vibration box 2 by opening the door panel 4. The plurality of stirring members 6 in the second vibration box 2 crush large objects, and the crushed objects fall into the second vibration box 2 through the through holes at the connection of the first vibration box 1 and the second vibration box 2, reducing the situation that the objects are too large and stuck in the sieve holes of the second vibration box 2 and preventing accidents.

[0044] The projections of the first sieve plate 10 and the second sieve plate 14 are both U-shaped.

[0045] The diameter value of the sieve holes on the first sieve plate 10 is greater than the diameter value of the sieve holes on the second sieve plate 14.

[0046] Embodiment 2

[0047] As Figure 1-3 shown, a double sieve box structure of a plane rotary screen proposed by the present utility model further specifically discloses the specific structures of the first screening component and the second screening component compared with Embodiment 1.

[0048] In this embodiment, the first screening component includes a first mounting seat 7, a first connecting rod 8, a second mounting seat 9 and a first sieve plate 10;

[0049] The first mounting seat 7, the first connecting rod 8 and the second mounting seat 9 correspond to each other one by one. There are four first mounting seats 7 in total. The four first mounting seats 7 are distributed in a rectangular shape and the fixed ends of the four first mounting seats 7 are all connected to the inner upper end surface of the first vibration box 1;

[0050] One end of the first connecting rod 8 is connected to the inner side of the first mounting seat 7, and the other end of the first connecting rod 8 is connected to the inner side of the second mounting seat 9. The first mounting seat 7 and the second mounting seat 9 face opposite directions.

[0051] The first sieve plate 10 is located inside the four second mounting seats 9 and the outer peripheral surface of the first sieve plate 10 is connected to the four second mounting seats 9 .

[0052] The second screening assembly includes a second screen plate 14, a third mounting seat 15, a second connecting rod 16 and a fourth mounting seat 17;

[0053] The third mounting seat 15, the second connecting rod 16 and the fourth mounting seat 17 correspond to each other one by one. There are four third mounting seats 15 in total. The four third mounting seats 15 are distributed in a rectangular shape and the fixed ends of the four third mounting seats 15 are all connected to the outer peripheral surface of the first sieve plate 10.

[0054] One end of the second connecting rod 16 is connected to the inner side of the third mounting seat 15, and the other end of the second connecting rod 16 is connected to the inner side of the fourth mounting seat 17. The third mounting seat 15 and the fourth mounting seat 17 face opposite directions.

[0055] The second sieve plate 14 is located on the inner side of the four fourth mounting seats 17 and the outer peripheral surface of the second sieve plate 14 is connected to the four fourth mounting seats 17. The first screening component, the second screening component and the driving component are installed in the second vibration box 2. The driving component drives the eccentric wheels 12 on both sides to rotate, thereby driving the second sieve plate 14 to vibrate. When the second sieve plate 14 vibrates, it drives the first sieve plate 10 to vibrate. The sieve hole diameters of the second sieve plate 14 and the first sieve plate 10 are different, so that multi-layer screening of objects can be achieved.

[0056] In summary, in the utility model, the door panel 4 is first opened to put the material into the second vibration box 2, and the multiple stirring members 6 in the second vibration box 2 crush the large objects, and the crushed objects fall into the second vibration box 2 through the through hole at the connection between the first vibration box 1 and the second vibration box 2. When the crushed objects fall into the second vibration box 2, the motor 11 is turned on, and the motor 11 drives the eccentric wheels 12 on both sides to rotate, thereby driving the second screen plate 14 to vibrate. When the second screen plate 14 vibrates, it drives the first screen plate 10 to vibrate. The sieve hole diameters of the second sieve plate 14 and the first sieve plate 10 are different, so that multi-layer screening of objects can be achieved to complete the entire process.

[0057] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A double screen box structure of a flat rotary screen, characterized in that: It comprises a first vibration box (1), a second vibration box (2), a cover plate (3), a door plate (4) and a handle (5); The second vibration box (2) is mounted on the upper end surface of the first vibration box (1), and the upper end surface of the second vibration box (2) is detachably connected to a cover plate (3); One end of the door panel (4) is rotatably connected to the cover panel (3), the other end of the door panel (4) is movably connected to the cover panel (3), and the handle (5) is installed on the upper end surface of the door panel (4); A first screening component for roughly screening objects is arranged in the first vibration box (1); The first screening component is provided with a second screening component for fine screening of objects; The second screening component is provided with a driving component for driving the first screening component and the second screening component.

2. A double screen box structure for a flat rotary screen according to claim 1, characterized in that: The first screening assembly comprises a first mounting seat (7), a first connecting rod (8), a second mounting seat (9) and a first screening plate (10); The first mounting seat (7), the first connecting rod (8) and the second mounting seat (9) correspond to each other one by one. There are four first mounting seats (7) in total. The four first mounting seats (7) are distributed in a rectangular shape and the fixed ends of the four first mounting seats (7) are all connected to the inner upper end surface of the first vibration box (1); One end of the first connecting rod (8) is connected to the inner side of the first mounting seat (7), and the other end of the first connecting rod (8) is connected to the inner side of the second mounting seat (9), and the first mounting seat (7) and the second mounting seat (9) face opposite directions; The first sieve plate (10) is located inside the four second mounting seats (9), and the outer peripheral surface of the first sieve plate (10) is connected to the four second mounting seats (9).

3. A double screen box structure for a flat rotary screen according to claim 2, characterized in that: The second screening assembly comprises a second screen plate (14), a third mounting seat (15), a second connecting rod (16) and a fourth mounting seat (17); The third mounting seat (15), the second connecting rod (16) and the fourth mounting seat (17) correspond to each other one by one. There are four third mounting seats (15) in total. The four third mounting seats (15) are distributed in a rectangular shape and the fixed ends of the four third mounting seats (15) are all connected to the outer peripheral surface of the first sieve plate (10); One end of the second connecting rod (16) is connected to the inner side of the third mounting seat (15), and the other end of the second connecting rod (16) is connected to the inner side of the fourth mounting seat (17), and the third mounting seat (15) and the fourth mounting seat (17) face opposite directions; The second sieve plate (14) is located inside the four fourth mounting seats (17), and the outer peripheral surface of the second sieve plate (14) is connected to the four fourth mounting seats (17).

4. A double screen box structure for a flat rotary screen according to claim 2, characterized in that: The driving assembly comprises a motor (11), an eccentric wheel (12) and a connecting shaft (13); The motor (11) is mounted on an upper end surface of one side of the first sieve plate (10), and both ends of the motor (11) are eccentrically connected to one end of an eccentric wheel (12), and the other end of each eccentric wheel (12) is connected to one end of a connecting shaft (13); Fixed plates are arranged on both sides of the upper end surface of one end of the second screen plate (14) away from the motor (11), and the other ends of the two eccentric wheels (12) are respectively connected to the separated sides of the two fixed plates.

5. The double screen box structure of a flat rotary screen according to claim 1 is characterized in that: Also includes a stirring member (6); A plurality of through holes are evenly formed on one side end surface of the second vibration box (2) connected to the first vibration box (1). There are a plurality of stirring members (6), and the plurality of stirring members (6) are arranged in an array inside the second vibration box (2) and are rotatably connected to the second vibration box (2).

6. A double screen box structure for a flat rotary screen according to claim 3, characterized in that: The projections of the first sieve plate (10) and the second sieve plate (14) are both U-shaped.

7. The double screen box structure of a flat rotary screen according to claim 3 is characterized in that: The diameter value of the sieve holes on the first sieve plate (10) is greater than the diameter value of the sieve holes on the second sieve plate (14).

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