CN117085935A - a vibrating screen - Google Patents

Abstract

The invention discloses a vibrating screen, which relates to the field of vibrating screens and comprises a frame, wherein the outer wall of the frame is connected with a collecting tank for collecting larger particles, a screen for screening the material particles is fixed in an inner cavity of the frame, one end of the frame is provided with a driving motor through a supporting frame, a transmission mechanism and a collecting mechanism are arranged on the frame, the transmission mechanism is used for cleaning the larger material particles remained on the screen, and the collecting mechanism is used for providing guidance for moving out the larger material. According to the invention, the transmission mechanism and the collection mechanism are arranged, so that in the process of screening materials, the cleaning brush which moves back and forth is used for removing the material particles clamped in the sieve mesh hole grooves, and when the cleaning brush moves to the maximum distance, unqualified materials which are cleaned and piled on one side can be moved out of the sieve mesh, so that the screening efficiency is prevented from being reduced due to the blocking of the sieve mesh hole grooves, and the screening efficiency is further improved.

Description

a vibrating screen

Technical field

The invention relates to the field of vibrating screens, specifically a vibrating screen.

Background technique

The vibrating screen works by utilizing the reciprocating rotational vibration generated by the excitation of the vibrator. The upper rotating weight of the vibrator causes the screen surface to produce plane gyration vibration, while the lower rotating weight causes the screen surface to produce cone surface gyration vibration. Their combined effect The effect causes the screen surface to produce compound rotational vibration.

In the existing technology, when materials are screened, the screen screens the materials into two types according to the size of the materials, and some material particles that are similar in size to the screen holes will get stuck in the screen, causing the screen holes to be clogged. Manual cleaning is required, otherwise under long-term use, the more holes will be clogged, resulting in a decrease in screening efficiency. For this reason, the present invention proposes a vibrating screen.

Contents of the invention

The object of the present invention is to provide a vibrating screen in order to solve the problems raised in the above background technology.

In order to achieve the above object, the present invention provides the following technical solution: a vibrating screen, including a frame, the outer wall of the frame is connected with a collection tank for collecting larger particles, and the inner cavity of the frame is fixed with a filter for screening material particles. The screen has a drive motor installed on one end of the frame through a support frame, and a transmission mechanism and a collection mechanism are provided on the frame. The transmission mechanism is used to clean the larger material particles remaining on the screen. The collection mechanism Used to provide guidance for the removal of larger materials;

The transmission mechanism includes a sliding unit and a reciprocating unit;

The reciprocating unit is used to provide power for the reciprocating movement of the cleaning unit;

The cleaning unit is used to synchronously drive the cleaning unit to rotate during the movement of the reciprocating unit, thereby cleaning the material particles on the surface of the screen.

As a further solution of the present invention: the reciprocating unit includes a reciprocating screw rod, a movable block, and a protective plate;

The reciprocating screw is rotatably connected to the inner cavity of the frame and connected to the output end of the drive motor through a rotating shaft and a coupling;

The outer wall of the reciprocating screw rod is sleeved with a movable block, the movable block is used to drive the protective plate to move synchronously, and the movable block is used to reciprocate along the thread of the outer wall of the reciprocating screw rod;

The protective plate is fixed on the outer wall of the movable block. The protective plate is used to block materials falling from top to bottom and prevent direct contact between the materials and the cleaning brush.

As a further solution of the present invention: the cleaning unit includes a gear, a cleaning brush, and a rack;

The gear is connected to the outer wall of the movable block and located in the inner cavity of the frame. The gear is used to drive the cleaning brush to rotate synchronously;

The cleaning brush is fixed on one end of the gear and is located on the upper surface of the screen. The rotating cleaning brush is used to clean materials stuck in the slots of the drive motor;

The rack is fixed in the inner cavity of the frame and meshes with the outer wall of the gear.

As a further solution of the present invention: the collection mechanism includes a movable rod, a force plate, a push rod, a limit rod, a guide plate, and a spring;

The movable rod is axially slidably installed in the inner cavity of the frame and extends above the screen. The movable rod is used to drive the push rod to move;

The force-bearing plate is fixed on one end of the movable rod, and the force-bearing plate is used to receive the thrust from the protective plate;

The push rod is rotationally connected to the bottom end of the movable rod, and the push rod is used to push the limit rod to move vertically;

The baffle is installed vertically in the inner cavity of the frame and blocks the baffle;

The deflector is set up on the end face of the frame and is flush with the screen. The deflector is used to provide space for larger material particles to move out;

The two ends of the spring are respectively engaged with the bottom end of the limiting rod and the inside of the frame, and the spring is used to provide elastic force for the reset of the limiting rod.

As a further solution of the present invention, a "C"-shaped chute is formed on the inner side of the frame to match the axial movement trajectories of the movable block and the gear, and the outer wall of the movable block has a "T"-shaped structure as a whole.

As a further solution of the present invention: the entire outer wall of the protective plate has an inverted "V"-shaped structure.

As a further solution of the present invention: the outer wall brush of the cleaning brush passes through the hole groove of the screen.

As a further solution of the present invention: the outer wall of the movable rod and the force-bearing plate is in an "L" shape as a whole, and the movable rod and the force-bearing plate are on the axial movement trajectory of the protective plate.

As a further solution of the present invention: the top outer walls of the limiting rod and the deflector are both inclined, and the inclination angles of the inclined surfaces of the outer walls of the limit rod and the deflector are consistent.

Compared with the prior art, the beneficial effects of the present invention are:

By setting up a transmission mechanism and a collection mechanism, in the process of screening materials, the cleaning brush that moves back and forth is used to remove the material particles stuck in the screen hole slots, and when the cleaning brush moves to the maximum distance, the material particles can be removed Clean up the unqualified materials accumulated on one side and move them out of the screen, avoiding the clogging of the screen holes and causing a decrease in screening efficiency, and further improving the screening efficiency.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a partial enlarged view of position A of the present invention;

Figure 3 is a schematic diagram of the installation structure of the collection mechanism of the present invention;

Figure 4 is a schematic structural diagram of the transmission mechanism of the present invention;

Figure 5 is a schematic structural diagram of the collection mechanism of the present invention.

In the picture: 1. Frame; 2. Collection tank; 3. Screen; 4. Driving motor; 5. Transmission mechanism; 501. Reciprocating screw; 502. Movable block; 503. Protective plate; 504. Gear; 505. Cleaning Brush; 506, rack; 6, collection mechanism; 601, movable rod; 602, force plate; 603, push rod; 604, limit rod; 605, guide plate; 606, spring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-5. In the embodiment of the present invention, a vibrating screen includes a frame 1. The outer wall of the frame 1 is connected with a collection tank 2 for collecting larger particles. The inner cavity of the frame 1 is fixed with a collection tank 2 for collecting material particles. The screening screen 3 has a driving motor 4 installed at one end of the frame 1 through a support frame. A transmission mechanism 5 and a collection mechanism 6 are provided on the frame 1. The transmission mechanism 5 is used to remove the larger material particles remaining on the screen 3. Cleaning, the collection mechanism 6 is used to provide guidance for the removal of larger materials;

The transmission mechanism 5 includes a sliding unit and a reciprocating unit;

The reciprocating unit is used to provide power for the reciprocating movement of the cleaning unit;

The cleaning unit is used to synchronously drive the cleaning unit to rotate during the movement of the reciprocating unit, thereby cleaning the material particles on the upper surface of the screen 3;

The reciprocating unit includes a reciprocating screw rod 501, a movable block 502, and a protective plate 503;

The reciprocating screw rod 501 is rotationally connected to the inner cavity of the frame 1 and is connected to the output end of the drive motor 4 through a rotating shaft and a coupling;

The outer wall of the reciprocating screw rod 501 is sleeved with a movable block 502. The movable block 502 is used to drive the protective plate 503 to move synchronously. The movable block 502 is used to reciprocate along the thread of the outer wall of the reciprocating screw rod 501;

The protective plate 503 is fixed on the outer wall of the movable block 502. The protective plate 503 is used to block materials falling from top to bottom and prevent direct contact between the materials and the cleaning brush 505;

The cleaning unit includes a gear 504, a cleaning brush 505, and a rack 506;

The gear 504 is connected to the outer wall of the movable block 502 and located in the inner cavity of the frame 1. The gear 504 is used to drive the cleaning brush 505 to rotate synchronously;

The cleaning brush 505 is fixed on one end of the gear 504 and is located on the upper surface of the screen 3. The rotating cleaning brush 505 is used to clean the material stuck in the 4-hole slot of the drive motor;

The rack 506 is fixed in the inner cavity of the frame 1, and the rack 506 meshes with the outer wall of the gear 504;

The collection mechanism 6 includes a movable rod 601, a force plate 602, a push rod 603, a limit rod 604, a deflector 605, and a spring 606;

The movable rod 601 is axially slidably installed in the inner cavity of the frame 1 and extends above the screen 3. The movable rod 601 is used to drive the push rod 603 to move;

The force-bearing plate 602 is fixed at one end of the movable rod 601, and the force-bearing plate 602 is used to receive the thrust from the protective plate 503;

The push rod 603 is rotatably connected to the bottom end of the movable rod 601, and the push rod 603 is used to push the limit rod 604 to move vertically;

The baffle 605 is installed vertically in the inner cavity of the frame 1 and blocks the baffle 605;

The guide plate 605 is set up on the end face of the frame 1 and is flush with the screen 3. The guide plate 605 is used to provide space for larger material particles to move out;

The two ends of the spring 606 are respectively engaged with the bottom end of the limiting rod 604 and the inside of the frame 1 . The spring 606 is used to provide elastic force for the reset of the limiting rod 604 .

In this embodiment: when using this device, by pouring the material particles that need to be screened into the frame 1, the materials will fall on the upper surface of the screen 3, and the reciprocating rotational vibration generated by the vibrator is used to excite the vibrator. The upper rotating weight causes the frame 1 and the screen 3 to produce plane gyration vibration;

When part of the material remains in the slots of the screen 3, by starting the drive motor 4, the drive motor 4 will drive the reciprocating screw 501 to rotate, and the rotating reciprocating screw 501 will drive the movement of the outer wall of the reciprocating screw 501. The block 502 moves axially, and the movable block 502 will reciprocate along the outer wall of the reciprocating screw 501 through the crescent screw. The reciprocating movable block 502 will synchronously drive the protective plate 503 to move, and the gear 504 will also follow the movement of the movable block 502. During the axial movement, the gear 504 comes into contact with the rack 506 in the "C" shaped chute in the inner cavity of the frame 1. The moving gear 504 is rotated by the thrust from the rack 506, and the rotating gear 504 will be driven synchronously. The cleaning brush 505 fixedly connected with it rotates, and the cleaning brush 505 in contact with the upper surface of the screen 3 will clean the material particles in the hole slots of the screen 3, so that the larger material particles are docked on both sides of the screen 3. When the protective plate 503 moves to the maximum distance, the outer wall of the protective plate 503 will contact the force-bearing plate 602, giving the force-bearing plate 602 a squeezing force. The movement of the force-bearing plate 602 will simultaneously drive the movable rod 601 to move. Then, the position of the movable rod 601 will be One end of the push rod 603 connected by rotation at the bottom of 601 will also move synchronously, and the other end of the push rod 603 will also give the limit rod 604 a downward squeezing thrust until the inclination angle of the push rod 603 gradually approaches the vertical direction. The lower limit rod 604 will also give the spring 606 a squeezing force. When the protective plate 503 moves to the maximum moving distance, the downward moving limit rod 604 will no longer block the deflector 605, causing accumulation on the screen. The material particles on both sides of the net 3 are guided by the rotating cleaning brush 505 and the top inclined surface of the guide plate 605 into the collection tank 2, and then the protective plate 503 that is no longer in contact with the force plate 602 will also be moved by the spring 606 It resets under the elastic force to complete the removal of larger particles and clean the particles stuck in the 3-hole groove of the screen, which further improves work efficiency and improves screening efficiency.

Please refer to Figures 1 to 5. The inner side of the frame 1 is formed with a "C"-shaped chute to match the axial movement trajectories of the movable block 502 and the gear 504. The outer wall of the movable block 502 has a "T"-shaped structure as a whole. The outer wall of the protective plate 503 is in an inverted "V" shape as a whole, and the outer wall brush of the cleaning brush 505 passes through the hole groove of the screen 3 .

In this embodiment: through this structure, the incoming materials can be diverted through the "V"-shaped protective plate 503 to prevent the materials from interfering with the rotation of the cleaning brush 505, and the cleaning brush 505 passing through the screen 3 will affect the screen. The particles in the 3-hole slot of the mesh are removed.

Please refer to Figures 1 to 5. The outer walls of the movable rod 601 and the force-bearing plate 602 are in an "L" shape as a whole. The movable rod 601 and the force-bearing plate 602 are on the axial movement trajectory of the protective plate 503. The limit rod 604 , the top outer walls of the guide plate 605 are all inclined, and the inclined surfaces of the outer walls of the limit rod 604 and the guide plate 605 have the same inclination angle.

In this embodiment: through this structure, the limit rods 604 at both ends of the frame 1 are automatically opened without affecting the screening of materials by the frame 1, so that larger granular materials enter the collection tank 2 through the limit rods 604. Inside.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, use the technology of the present invention. Any equivalent substitution or change of the scheme and its inventive concept shall be covered by the protection scope of the present invention.

Claims (9)

1. The vibrating screen comprises a frame (1), wherein the outer wall of the frame (1) is connected with a collecting tank (2) for collecting larger particles, a screen (3) for screening the material particles is fixed in an inner cavity of the frame (1), one end of the frame (1) is provided with a driving motor (4) through a supporting frame, and the vibrating screen is characterized in that a transmission mechanism (5) and a collecting mechanism (6) are arranged on the frame (1), the transmission mechanism (5) is used for cleaning the larger material particles remained on the screen (3), and the collecting mechanism (6) is used for providing guidance for moving out the larger material;

the transmission mechanism (5) comprises a sliding unit and a reciprocating unit;

the reciprocating unit is used for providing power for the reciprocating movement of the cleaning unit;

the cleaning unit is used for synchronously driving the cleaning unit to rotate in the moving process of the reciprocating unit, so that material particles on the upper surface of the screen (3) are cleaned.

2. A vibrating screen according to claim 1, wherein the reciprocating unit comprises a reciprocating screw (501), a movable block (502), a protection plate (503);

the reciprocating screw rod (501) is rotationally connected to the inner cavity of the frame (1) and is connected with the output end of the driving motor (4) through a rotating shaft and a coupling;

the outer wall of the reciprocating screw rod (501) is sleeved with a movable block (502), the movable block (502) is used for driving the protection plate (503) to move synchronously, and the movable block (502) is used for moving reciprocally along the outer wall threads of the reciprocating screw rod (501);

the protection plate (503) is fixed on the outer wall of the movable block (502), and the protection plate (503) is used for blocking materials falling from top to bottom and preventing the materials from being in direct contact with the cleaning brush (505).

3. A vibrating screen according to claim 1, wherein the cleaning unit comprises a gear (504), a cleaning brush (505), a rack (506);

the gear (504) is connected to the outer wall of the movable block (502) and is positioned in the inner cavity of the frame (1), and the gear (504) is used for driving the cleaning brush (505) to synchronously rotate;

the cleaning brush (505) is fixed at one end of the gear (504) and is positioned on the upper surface of the screen (3), and the cleaning brush (505) in a rotating state is used for cleaning materials clamped in a hole groove of the driving motor (4);

the rack (506) is fixed in the inner cavity of the frame (1), and the rack (506) is meshed with the outer wall of the gear (504).

4. A vibrating screen according to claim 1, wherein the collection mechanism (6) comprises a movable rod (601), a force plate (602), a push rod (603), a limit rod (604), a guide plate (605) and a spring (606);

the movable rod (601) is axially and slidably arranged in the inner cavity of the frame (1) and extends to the upper part of the screen (3), and the movable rod (601) is used for driving the push rod (603) to move;

the stress plate (602) is fixed at one end of the movable rod (601), and the stress plate (602) is used for receiving thrust from the protection plate (503);

the push rod (603) is rotationally connected to the bottom end of the movable rod (601), and the push rod (603) is used for pushing the limiting rod (604) to move vertically;

the guide plate (605) is vertically arranged in the inner cavity of the frame (1) and is used for blocking the guide plate (605);

the guide plate (605) is arranged on the end face of the frame (1) and is flush with the screen (3), and the guide plate (605) is used for providing a space for larger material particles to move out;

the two ends of the spring (606) are respectively clamped at the bottom end of the limiting rod (604) and the inside of the frame (1), and the spring (606) is used for providing elasticity for resetting of the limiting rod (604).

5. A vibrating screen according to claim 3, wherein a C-shaped chute for matching axial movement tracks of the movable block (502) and the gear (504) is formed on the inner side of the frame (1), and the outer wall of the movable block (502) is integrally in a T-shaped structure.

6. A vibrating screen according to claim 2, characterized in that the outer wall of the protection plate (503) is of an inverted "V" shape overall.

7. A vibrating screen according to claim 3, wherein the brush of the outer wall of the cleaning brush (505) passes through the slot of the screen (3).

8. The vibrating screen according to claim 4, wherein the outer walls of the movable rods (601) and the stress plates (602) are integrally of an L-shaped structure, and the movable rods (601) and the stress plates (602) are positioned on the axial movement track of the protection plates (503).

9. The vibrating screen according to claim 4, wherein the top end outer walls of the limiting rod (604) and the guide plate (605) are in an inclined state, and the inclined surfaces of the outer walls of the limiting rod (604) and the guide plate (605) are identical in inclination angle.