Filtering, grading and discharging device

Abstract

The utility model discloses a filtering and grading discharging device, and belongs to the technical field of filtering and grading. The screening device comprises a screening box, a screen, a pushing mechanism and a covering mechanism, a discharging opening is formed in the side face of the screening box, the pushing mechanism is arranged on the other opposite side face of the screening box, the bottom face of the screening box is composed of the detachable screen, the covering mechanism is arranged at the position of the discharging opening of the screening box, and the pushing mechanism comprises an electric telescopic rod, a pushing rod and a pushing plate. The push rod is installed on the side wall of the screening box in a sliding mode, the push rod moves in the direction perpendicular to a discharging port of the screening box and is driven by an electric telescopic rod arranged on the outer side face of the screening box to move, and the push plate is movably arranged in the screening box and fixedly connected with the push rod. The material pushing mechanism is used for pushing out materials left on the screen after screening and grading, the tedious degree of grading and discharging is reduced, and the discharging efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filtering and grading, and relates to a filtering and grading discharging device. Background Art

[0002] Vibration screening can classify materials. During the vibration screening process, in order to ensure the screening effect, it is necessary to avoid material accumulation as much as possible and make the material as flat as possible on the screen. Therefore, after the vibration screening is completed, the material on the screen will remain flat. At this time, if you need to remove the material on the screen, you need to pour it out through the discharge port by manual dumping, etc., which is more troublesome. Especially in multi-layer screening, it is necessary to repeatedly pour out the material on the screen of different layers, which increases the cumbersomeness of discharging the material on the screen and takes a long time to pour out the material on the screen.

[0003] Some filtration and grading discharge devices need to be installed on other equipment. In this case, the filtration and grading discharge devices need to be removed for dumping, which is also a cumbersome operation. For example, patent application number 202321073756.X discloses a filter grading discharge device. After the material is screened and graded, the material is discharged from the discharge port. However, after screening and grading, the upper material will be spread flat on the screen. It is necessary to remove the screen basket from the filter body to pour the material flat on the bottom surface of the screen basket from the discharge port.

[0004] Therefore, it is necessary to provide a filtering and grading discharging device to simplify the discharging operation and reduce the complexity of the material discharging process. Utility Model Content

[0005] In order to overcome the problems in the background technology, the utility model arranges a pushing mechanism on the side of the screening box. After screening and grading, the pushing mechanism pushes the material spread on the screen to the discharge port for discharge. There is no need to pour out the material on the screen by manual dumping, which reduces the cumbersomeness of the discharge operation after material screening and grading.

[0006] In order to achieve the above purpose, the present invention is implemented through the following technical solutions:

[0007] The filtering and grading discharging device includes a screening box 2, a screen 3, a pushing mechanism 5, and a covering mechanism 6. A discharge port is opened on the side of the screening box 2, and a pushing mechanism 5 is provided on the other opposite side. The bottom surface of the screening box 2 is composed of a detachable screen 3, and a covering mechanism 6 is provided at the discharge port of the screening box 2.

[0008] The pushing mechanism 5 includes an electric telescopic rod 501, a push rod 502, and a push plate 503. The push rod 502 is slidably installed on the side wall of the screening box 2. The push rod 502 moves in a direction perpendicular to the discharge port of the screening box 2 and is driven to move by the electric telescopic rod 501 arranged on the outer surface of the screening box 2. The push plate 503 is movably arranged in the screening box 2, and the push plate 503 is fixedly connected to the push rod 502.

[0009] Preferably, a vibration motor 4 is provided on the outer surface of the screening box 2 .

[0010] Preferably, the screening boxes 2 are vertically stacked in at least one layer.

[0011] Preferably, the filtering and grading discharging device further comprises a cover body 1 and a shock-absorbing support mechanism, wherein the cover body 1 is arranged on the topmost screening box 2, and the shock-absorbing support mechanism is arranged at the bottom of the bottommost screening box 2.

[0012] Preferably, the shock-absorbing support mechanism includes a telescopic column 10 and a spring 11 . One end of the telescopic column 10 is fixedly connected to the bottom of the square screening box 2 , and the spring 11 is sleeved on the telescopic column 10 .

[0013] Preferably, the shock-absorbing support mechanism further includes a receiving plate 12 , and the receiving plate 12 is fixedly mounted on the bottom end of the telescopic column 10 .

[0014] Preferably, the covering mechanism 6 includes a limit frame 601, a baffle 602, and a handle 603. The limit frame 601 is fixedly installed on the outer surface of the square screening box 2. The baffle 602 is inserted into the limit frame 601 and is connected to the limit frame 601 in a damping sliding manner. One end of the baffle 602 is fixedly connected to the handle 603.

[0015] Preferably, a square block 7 is fixedly provided at the bottom of the side wall of the screening box 2 , and the screen 3 is placed on the square block 7 .

[0016] Preferably, the filtering and grading discharging device further comprises a threaded rod 8 and a pressing block 9. A threaded hole is provided on the side of the screening box 2. After the threaded rod 8 passes through the threaded hole, its end is fixedly connected to the pressing block 9. The pressing block 9 presses the screen 3. A groove for accommodating the pressing block 9 is also provided on the inner side of the screening box 2. There are at least 4 pressing blocks 9.

[0017] Preferably, the feature is that a handle 13 and a battery 14 are fixedly mounted on the cover body 1 , and the battery 14 is electrically connected to the vibration motor 4 .

[0018] Beneficial effects of the utility model:

[0019] 1. The utility model is provided with a pushing mechanism, which pushes the materials spread on the screen after screening and grading to the discharging port for discharging, thereby reducing the cumbersomeness of grading and discharging, and is conducive to improving the discharging efficiency.

[0020] 2. The screen of the utility model is detachable, which makes it convenient for the staff to clean the screen after removing it to remove sediment, dust and other debris on the screen to prevent the debris from mixing into the screened material.

[0021] 3. The utility model provides a pressing block to press the screen during the screening process, thereby improving the stability of the screen.

[0022] 4. The utility model provides a support for the screening box by arranging a telescopic column and a spring. During the vibration screening process, the telescopic column extends and retracts to drive the spring to lengthen or compress, which can convert part of the vibration energy into elastic potential energy to reduce the damage caused by the vibration energy to the device, help to protect the device itself, and extend the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the device of the utility model;

[0024] Figure 2 This is a schematic diagram of the pusher mechanism structure and the cover mechanism structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the screen installation structure of the utility model;

[0026] Figure 4 This is a structural diagram of the shock-absorbing support mechanism of the utility model.

[0027] In the figure, 1-cover, 2-screening box, 3-screen, 4-vibration motor, 5-pushing mechanism, 501-electric telescopic rod, 502-push rod, 503-push plate, 6-covering mechanism, 601-limiting frame, 602-baffle, 603-handle, 7-square block, 8-threaded rod, 9-pressing block, 10-telescopic column, 11-spring, 12-supporting plate, 13-handle, 14-battery. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to specific embodiments.

[0029] like Figure 1-4 As shown, the filtering and grading discharge device includes a screening box 2, a screen 3, a pushing mechanism 5, and a covering mechanism 6. A discharge port is opened on the side of the screening box 2, and a pushing mechanism 5 is provided on the other opposite side. The bottom surface of the screening box 2 is composed of a detachable screen 3, and a covering mechanism 6 is provided at the discharge port of the screening box 2.

[0030] The pushing mechanism 5 includes an electric telescopic rod 501, a push rod 502, and a push plate 503. The push rod 502 is slidably installed on the side wall of the screening box 2. The push rod 502 moves in a direction perpendicular to the discharge port of the screening box 2 and is driven to move by the electric telescopic rod 501 arranged on the outer surface of the screening box 2. The push plate 503 is movably arranged in the screening box 2, and the push plate 503 is fixedly connected to the push rod 502.

[0031] A vibration motor 4 is provided on the outer side of the screening box 2 .

[0032] The screening boxes 2 are vertically stacked in at least one layer. The vertically stacked screening boxes 2 are detachably connected by snaps or adhesives (snaps or adhesives are both conventional detachable connection methods, not shown in the figure), so that the vertically stacked screening boxes 2 maintain integrity and avoid misalignment of screening boxes 2 in different layers.

[0033] The filtering and grading discharging device further comprises a cover body 1 and a shock-absorbing support mechanism. The cover body 1 is arranged on the topmost screening box 2, and the shock-absorbing support mechanism is arranged at the bottom of the bottommost screening box 2.

[0034] When the material needs to be screened and graded, first pour the material to be graded into the screening box 2 on the top layer, then close the cover 1 and the screening box 2 on the top layer, at the same time, make sure that the covering mechanism 6 covers the discharge port, turn on the vibration motor 4, and start vibrating and screening the material to be graded. During the screening process, the upper-level material that cannot pass through the screen 3 remains on the screen 3, and the lower-level material passes through the screen 3 and falls into the screening box 2 of the next layer, and so on. The lower-level material is screened out in the screening box 2 of this layer, and the lower-level material passes through the screen 3 and falls into the screening box 2 of the next layer for further screening, until the material to be graded falls into the screening box 2 of the bottom layer for screening, and the final lower-level material is obtained. From high to low, the aperture of the sieve hole of each layer of screen 3 gradually decreases, so the material to be graded can be divided into multiple levels, for example Figure 1 The device is shown as a two-layer screening box 2, which can divide the material to be classified into three levels. After screening, the material remaining on the screen 3 of the top screening box 2 is the first level, and the material falling into the second level ( Figure 1 After the material to be classified in the screening box 2 (the bottom layer) is screened, the material remaining on the screen 3 is the second level, and the material falling through the screen 3 is the third level. The material can be screened into 3 levels through 2 layers of screening boxes 2. Similarly, the material can be screened into 4 levels through 3 layers of screening boxes 2.

[0035] During the screening process, the electric telescopic rod 501 is in an extended state. When the electric telescopic rod 501 is extended, it drives the push rod 502 to move away from the discharge port of the screening box 2, so that the push rod 502 drives the push plate 503 fixedly connected thereto to move away from the discharge port of the screening box 2 until the push plate 503 is in contact with the side wall of the screening box 2. Then, the electric telescopic rod 501 is closed. At this time, the electric telescopic rod 501 remains in an extended state, and the push plate 503 is in contact with the side wall of the screening box 2, so that the push plate 503 can push out the upper material remaining on the screen 3.

[0036] After the screening is completed, the cover mechanism 6 is opened to expose the discharge port, and the electric telescopic rod 501 is started and shortened from the extended state. When the electric telescopic rod 501 shortens, it drives the push rod 502 to move toward the discharge port of the screening box 2, and the push rod 502 drives the push plate 503 to move toward the discharge port. During the movement of the push plate 503 toward the discharge port, the upper-grade material remaining on the screen 3 is pushed to the discharge port. At the same time, as the electric telescopic rod 501 shortens, the distance between the push plate 503 and the discharge port decreases until the push plate 503 is in contact with the side wall of the screening box 2 where the discharge port is located, and all the upper-grade material remaining on the screen 3 is pushed out of the discharge port, thus completing the discharge of the screened and graded material. The pushing mechanism 5 pushes the material remaining on the screen 3 to the discharge port and pushes the material out of the screening box 2 through the discharge port. Using different collection containers to collect the materials pushed out of the discharge ports at different layers can obtain materials of different grades. There is no need to dismantle the screening box 2 for dumping in layers, and the discharge process is simple and convenient.

[0037] It is not necessary to install a vibration motor 4 on each side of the screening box 2. Figure 1 As shown, when the screening box 2 has two layers, it is only necessary to install a vibration motor 4 on the side of one layer of the screening box 2 to make both layers of the screening box vibrate. As the number of layers of the screening box 2 increases, the vibration motor 4 is installed on the side of the screening box 2 of the appropriate layer. It is only necessary for the vibration motor 4 to drive all layers of the screening box 2 to vibrate.

[0038] The shock-absorbing support mechanism includes a telescopic column 10 and a spring 11 . One end of the telescopic column 10 is fixedly connected to the bottom of the square screening box 2 , and the spring 11 is sleeved on the telescopic column 10 .

[0039] During the vibration screening process, vibration energy will be transmitted between the components of the device. When the telescopic column 10 is affected by the vibration energy, it will produce expansion and contraction changes. During its expansion and contraction changes, it will drive the spring 11 to be stretched or compressed. At this time, the vibration energy will be converted into elastic potential energy, thereby reducing the vibration energy intensity to a certain extent, thereby forming a protective effect on the device.

[0040] One way to use the device of the present invention is to directly install it on the top of the vibrating screening filter to filter and grade the material. The lower-level material screened by the screen 3 of the bottom screening box 2 directly enters the subsequent processing space of the vibrating screening filter. Therefore, the bottom end of the telescopic column 10 can be directly installed on the top surface of the vibrating screening filter.

[0041] The shock-absorbing support mechanism further includes a receiving plate 12 , which is fixedly mounted on the bottom end of the telescopic column 10 .

[0042] When the utility model device is used alone, the bottom end of the telescopic column 10 is fixedly installed with a receiving plate 12 so that the device can be placed on a placement surface. When used alone, a collection container is placed below the bottom screening box 2 to collect the last level of screening material.

[0043] The covering mechanism 6 includes a limit frame 601, a baffle 602, and a handle 603. The limit frame 601 is fixedly installed on the outer surface of the square screening box 2. The baffle 602 is inserted into the limit frame 601 and is connected to the limit frame 601 in a damping sliding manner. One end of the baffle 602 is fixedly connected to the handle 603.

[0044] By holding the handle 603 and pulling the baffle 602 out of the limit frame 601, the baffle 602 will not block the discharge port. If the discharge port needs to be blocked, the baffle 602 is inserted into the limit frame 601 and slid in the insertion direction until the baffle 602 completely blocks the discharge port. The damped sliding connection between the baffle 602 and the limit frame 601 can prevent the baffle 602 from sliding within the limit frame 601 during the vibration screening process, causing the discharge port to lose its shielding during the vibration screening process and spilling unscreened and graded material from the discharge port.

[0045] A square block 7 is fixedly provided at the bottom of the side wall of the screening box 2 , and the screen 3 is placed on the square block 7 .

[0046] The screen 3 can be kept in a placed state on the square block 7 by its own gravity. When the material to be classified enters the screening box 2, the weight of the material to be classified will also form pressure on the screen 3, so that the screen 3 remains in a placed state. When the screen 3 needs to be cleaned, the screen 3 can be directly taken out.

[0047] The filtering and grading discharging device also includes a threaded rod 8 and a pressing block 9. A threaded hole is provided on the side of the screening box 2. After the threaded rod 8 passes through the threaded hole, its end is fixedly connected to the pressing block 9. The pressing block 9 presses the screen 3. A groove for accommodating the pressing block 9 is also provided on the inner side of the screening box 2. There are at least 4 pressing blocks 9.

[0048] Since the screen 3 will also vibrate during the screening and grading process, in order to keep the screen 3 at a high stability during operation, the threaded rod 8 can be rotated to move the threaded rod 8 in the direction of screwing into the threaded hole, and the threaded rod 8 drives the pressure block 9 to move to press the screen 3. When the device is in a non-working state, the threaded rod 8 can be rotated to move the threaded rod 8 in the direction of screwing out of the threaded hole, driving the pressure block 9 to move in the direction of the groove until the pressure block 9 enters the groove. Since the edge of the screen 3 does not extend into the groove, when the pressure block 9 enters the groove, it no longer presses the screen 3, and the screen 3 can be taken out for cleaning.

[0049] When the threaded rod 8 rotates, the pressing block 9 will also rotate at the same time. In order to allow the pressing block 9 to enter the groove smoothly, the size of the groove is larger than the size of the pressing block 9, so that the pressing block 9 can enter the groove no matter what state it is in.

[0050] A handle 13 and a battery 14 are fixedly mounted on the cover 1 , and the battery 14 is electrically connected to the vibration motor 4 .

[0051] The battery 14 provides power for the vibration motor 4 , and the operator can open or close the cover 1 by holding the handle 13 , which is convenient for operation.

[0052] The working process of the utility model is as follows: when screening and grading are required, first open the cover body and pour the material to be graded into the top screening box (if there is only one layer of screening box, pour the material to be graded into the screening box). Before pouring, ensure that the push plate is in contact with the side wall of the screening box where no discharge port is opened, and slide the baffle to a position that completely covers the discharge port. After pouring the material to be graded, close the cover body, start the vibration motor, and start the screening work. After the screening and grading is completed, pull open the baffle to expose the discharge port, turn on the pushing mechanism, shorten the electric telescopic rod, drive the push plate to move, push the material on the screen toward the discharge port, and push the material out of the screening box through the discharge port. Use a collecting container to collect the material discharged from the discharge port to complete the screening, grading and discharging process.

[0053] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A filtering and grading discharging device, characterized in that: The filtering and grading discharge device comprises a screening box (2), a screen (3), a pushing mechanism (5), and a covering mechanism (6); a discharge port is provided on a side of the screening box (2), and a pushing mechanism (5) is provided on another opposite side; the bottom surface of the screening box (2) is composed of a detachable screen (3); and a covering mechanism (6) is provided at the discharge port of the screening box (2); The pushing mechanism (5) comprises an electric telescopic rod (501), a push rod (502), and a push plate (503); the push rod (502) is slidably mounted on the side wall of the screening box (2); the push rod (502) moves in a direction perpendicular to the discharge port of the screening box (2) and is driven to move by the electric telescopic rod (501) arranged on the outer surface of the screening box (2); the push plate (503) is movably arranged in the screening box (2); and the push plate (503) is fixedly connected to the push rod (502); A square block (7) is fixedly provided at the bottom of the side wall of the screening box (2), and the screen (3) is placed on the square block (7); The filtering and grading discharge device also includes a threaded rod (8) and a pressing block (9). A threaded hole is provided on the side of the screening box (2). After the threaded rod (8) passes through the threaded hole, its end is fixedly connected to the pressing block (9). The pressing block (9) presses the screen (3). A groove for accommodating the pressing block (9) is also provided on the inner side of the screening box (2). There are at least four pressing blocks (9).

2. A filtering and grading discharging device according to claim 1, characterized in that: A vibration motor (4) is provided on the outer side of the screening box (2).

3. A filtering and grading discharging device according to claim 1 or 2, characterized in that: The screening boxes (2) are vertically stacked in at least one layer.

4. A filtering and grading discharging device according to claim 3, characterized in that: The filtering and grading discharge device further comprises a cover body (1) and a shock-absorbing support mechanism, wherein the cover body (1) is arranged on the topmost screening box (2), and the shock-absorbing support mechanism is arranged at the bottom of the bottommost screening box (2).

5. A filtering and grading discharging device according to claim 4, characterized in that: The shock-absorbing support mechanism comprises a telescopic column (10) and a spring (11); one end of the telescopic column (10) is fixedly connected to the bottom of the square screening box (2); and the spring (11) is sleeved on the telescopic column (10).

6. A filtering and grading discharging device according to claim 5, characterized in that: The shock-absorbing support mechanism further comprises a receiving plate (12), and the receiving plate (12) is fixedly mounted on the bottom end of the telescopic column (10).

7. The filtering and grading discharging device according to claim 1, characterized in that: The covering mechanism (6) comprises a limit frame (601), a baffle (602), and a handle (603); the limit frame (601) is fixedly mounted on the outer surface of the square screening box (2); the baffle (602) is inserted into the limit frame (601) and connected to the limit frame (601) in a damping sliding manner; one end of the baffle (602) is fixedly connected to the handle (603).

8. A filtering and grading discharging device according to any one of claims 4, 5 and 6, characterized in that: A handle (13) and a battery (14) are fixedly mounted on the cover body (1), and the battery (14) is electrically connected to the vibration motor (4).

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