Vibrating screening device

Abstract

The utility model discloses a vibration screening device, relates to the technical field of vibration screening, and aims to solve the problems that in the prior art, screening nets are all fixed in the device, after being used for a long time, the screening nets are troublesome to replace, and meanwhile materials screened on the screening nets are inconvenient to clean. A rectangular ring supporting frame is arranged at the lower end of the middle of the inner wall of the screening box, a screening net is connected to the upper end of the rectangular ring supporting frame, a trapezoidal guide hopper is fixedly connected to the lower end of the screening box, a rectangular supporting frame is connected to the lower end of the trapezoidal guide hopper, a rectangular opening is formed in the front end face of the screening box, and a baffle is connected into the rectangular opening. A vibration motor is fixedly connected to the middle of the rear end face of the screening box, and a screening net is fixedly connected with a rectangular ring supporting frame through a triangular-section rectangular ring pressing frame by adopting screws, so that the screening net is convenient to disassemble, replace and maintain after being used for a long time.

Description

Technical Field

[0001] This utility model relates to the field of vibrating screening technology, specifically to a vibrating screening device. Background Technology

[0002] Vibrating screen technology is a highly efficient material screening method. It utilizes vibration to create relative motion in the material on the screen, thereby achieving material separation. Vibrating screen equipment typically consists of a screen body, a vibrator, a base, and springs. The vibrator draws the material into the screen body through vibration, where the material continuously jumps and twists, forming multi-layered stratification. Materials of different sizes continuously fall and are ultimately separated. This technology has advantages such as simple principle, compact structure, and ease of use, and is widely used in chemical, building materials, metallurgy, light industry, food, pharmaceutical, and environmental protection fields.

[0003] For example, application publication number CN111185371A discloses a vibrating screening device. The device includes a striking mechanism within the machine body, a screening mechanism in the middle of the striking mechanism, a swing mechanism at the lower end of the screening mechanism, and a driving mechanism at the lower end of the swing mechanism. The striking mechanism includes symmetrical striking chambers located within the machine body. A connecting rod is installed within each striking chamber, and a connecting rod is rotatably mounted on the upper end of the connecting rod. A torsion spring is provided between the connecting rod and the connecting rod. A power transmission chamber is located at the rear end of the symmetrical striking chambers. By striking the connecting blocks on both sides of the screening screen, no residue remains on the screening screen that affect the screening effect are prevented. Balls are placed between the screening screens, which strike the center of the screening screen during vibration, improving screening efficiency. Powered by a motor, the device is less prone to damage, thus significantly saving costs.

[0004] However, in the above technologies, the screening screens are all fixed inside the device. When the screening screens need to be replaced after a long period of use, it is quite troublesome. At the same time, it is not convenient to clean the material screened on the screen. Therefore, the market urgently needs to develop a vibrating screening device to help people solve the existing problems. Utility Model Content

[0005] The purpose of this utility model is to provide a vibrating screening device to solve the problems mentioned in the background art, where the screening screen is fixed inside the device, making it troublesome to replace the screening screen after long-term use, and also making it inconvenient to clean the material screened on the screen.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vibrating screening device, including a screening box, a rectangular ring support frame is provided at the lower middle part of the inner wall of the screening box, a screening screen is connected to the upper end of the rectangular ring support frame, a trapezoidal guide hopper is fixedly connected to the lower end of the screening box, a rectangular support frame is connected to the lower end of the trapezoidal guide hopper, a rectangular opening is provided on the front end face of the screening box, a baffle is connected inside the rectangular opening, and a vibrating motor is fixedly connected to the middle of the rear end face of the screening box.

[0007] Preferably, the rectangular ring support frame is fixedly connected to the inner wall of the screening box, and a triangular cross-section rectangular ring pressing frame is connected to the upper edge of the screening screen. The screening screen, the triangular cross-section rectangular ring pressing frame and the rectangular ring support frame are fixedly connected by multiple screws.

[0008] Preferably, the trapezoidal guide hopper has connecting columns fixedly connected to the front and rear ends of the middle of both sides, and springs are connected between the lower ends of the four connecting columns and the upper end of the rectangular support frame. The upper and lower ends of the springs are fixedly connected to the lower end of the connecting columns and the upper end of the rectangular support frame, respectively.

[0009] Preferably, rectangular limiting strips are fixedly connected to the middle of both ends of the rectangular opening, and rectangular limiting grooves are provided in the middle of both ends of the baffle.

[0010] Preferably, after the baffle is inserted into the rectangular opening from the top, the two rectangular limiting strips slide into the two rectangular limiting grooves respectively.

[0011] Preferably, a first rectangular connecting block is fixedly connected to the upper ends of both sides of the rectangular opening on the front section surface of the screening box, and a second rectangular connecting block is fixedly connected to the upper ends of both sides of the front end surface of the baffle.

[0012] Preferably, the two first rectangular connecting blocks are fixedly connected to the two second rectangular connecting blocks by bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) In this utility model, the screening mesh is fixedly connected to the rectangular ring support frame by screws through the triangular cross section rectangular ring pressing frame. This connection method ensures the stability and firmness of the screening mesh during installation, and facilitates the replacement and maintenance of the screening mesh after long-term use. Operators only need to remove the fixing screws to easily take the screening mesh out of the screening box, which improves the maintainability and service life of the equipment.

[0015] (2) In this utility model, the baffle is designed with a combination of rectangular limiting strip and rectangular limiting groove to ensure a stable connection between the baffle and the screening box. This design not only enhances the stability of the device, but also makes it easy to quickly disassemble the baffle to clean the residual material on the screening screen when needed.

[0016] (3) In this utility model, by setting the triangular cross-section rectangular ring pressing frame, the screening screen is pressed tightly on the rectangular ring support frame. At the same time, the inclined part of the triangular cross-section rectangular ring pressing frame faces inward, and the material is guided by the inclined part to prevent the material from accumulating on the upper end of the triangular cross-section rectangular ring pressing frame. Attached Figure Description

[0017] Figure 1 This is a front view of a vibrating screening device according to the present invention;

[0018] Figure 2 This is a main sectional view of the baffle of this utility model;

[0019] Figure 3 This is a side sectional view of the present invention;

[0020] Figure 4 This is a detailed enlarged view of part A of this utility model;

[0021] Figure 5 This is a detailed enlarged view of part B of this utility model.

[0022] In the diagram: 1. Screening box; 101. Rectangular opening; 102. First rectangular connecting block; 103. Rectangular limiting strip; 104. Rectangular ring support frame; 105. Vibrating motor; 2. Trapezoidal guide hopper; 201. Connecting column; 3. Screening screen; 301. Triangular cross-section rectangular ring pressing frame; 302. Screw; 4. Baffle; 401. Rectangular limiting groove; 402. Second rectangular connecting block; 403. Bolt; 5. Rectangular support frame; 501. Spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Please see Figure 1-5This utility model provides an embodiment of a vibrating screening device, including a screening box 1. A rectangular ring support frame 104 is provided at the lower middle part of the inner wall of the screening box 1. The rectangular ring support frame 104 is fixedly connected to the inner wall of the screening box 1. A screening screen 3 is connected to the upper end of the rectangular ring support frame 104. A triangular cross-section rectangular ring pressing frame 301 is connected to the upper edge of the screening screen 3. The screening screen 3, the triangular cross-section rectangular ring pressing frame 301, and the rectangular ring support frame 104 are fixedly connected by multiple screws 302. By removing the multiple screws 302, the screening screen 3, the triangular cross-section rectangular ring pressing frame 301, and the rectangular ring support frame 104 can be separated, thereby allowing the screening screen 3 to be removed from the upper end of the screening box 1 for easy replacement and maintenance. A trapezoidal guide hopper 2 is fixedly connected to the lower end of the screening box 1. The lower end of the trapezoidal guide hopper 2 is connected to a rectangular support frame 5. The front and rear ends of the two side end faces of the trapezoidal guide hopper 2 are fixedly connected to connecting columns 201. The lower ends of the four connecting columns 201 are connected to the upper end face of the rectangular support frame 5, and the upper and lower ends of the springs 501 are fixedly connected to the lower end face of the connecting columns 201 and the upper end face of the rectangular support frame 5, respectively. The middle of the rear end face of the screening box 1 is fixedly connected to a vibration motor 105. The material to be screened is poured into the screening box 1 from the top. The vibration motor 105 drives the screening box 1 to vibrate on the upper end of the rectangular support frame 5, so that the screening box 1 drives the screening screen 3 to vibrate and screen the material. At the same time, the inclined part of the triangular cross-section rectangular ring pressure frame 301 faces inward, and the inclined part guides the material to prevent the material from accumulating on the upper end of the triangular cross-section rectangular ring pressure frame 301.

[0025] Please see Figure 1-4 The screening box 1 has a rectangular opening 101 on its front end face. A baffle 4 is connected inside the rectangular opening 101. Rectangular limiting strips 103 are fixedly connected to the middle of both end faces inside the rectangular opening 101. Rectangular limiting grooves 401 are provided in the middle of both end faces of the baffle 4. After the baffle 4 is inserted into the rectangular opening 101 from the top, the two rectangular limiting strips 103 slide into the two rectangular limiting grooves 401 respectively. A first rectangular connecting block 102 is fixedly connected to the front section of the screening box 1 at the upper ends of both sides of the rectangular opening 101. Each end is fixedly connected with a second rectangular connecting block 402. The two first rectangular connecting blocks 102 are fixedly connected to the two second rectangular connecting blocks 402 by bolts 403. The two rectangular limiting strips 103 guide the baffle 4 when it is inserted into the rectangular opening 101. The baffle 4 is stably fixed to the screening box 1 by bolts 403. When a large amount of material that needs to be cleaned remains on the screening screen 3, the material can be discharged through the rectangular opening 101 by removing the two bolts 403 and lifting the baffle 4 upward.

[0026] Working Principle: In use, the material to be screened is first poured into the screening box 1 from the top. Then, the vibrating motor 105 is started. The vibration force generated by the vibrating motor 105 is transmitted to the screening screen 3 through the screening box 1, causing continuous vibration of the material on the screening screen 3, thereby achieving material screening. The screened material falls through the mesh of the screening screen 3 into the trapezoidal guide hopper 2 and slides down its inclined surface to the lower outlet. When the screening screen 3 needs to be replaced or cleaned after prolonged use, it can be separated from the screening screen 3, the triangular cross-section rectangular ring pressure frame 301, and the rectangular ring support frame 104 by removing multiple screws 302, thus removing the screening screen 3 from the top of the screening box 1. Furthermore, if a large amount of material remains on the screening screen 3 and needs to be cleaned, two bolts 403 can be removed to lift the baffle 4 out of the rectangular opening 101, allowing the remaining material on the screening screen 3 to be smoothly discharged through the rectangular opening 101.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A vibrating screening device, comprising a screening box (1), characterized in that: A rectangular ring support frame (104) is provided at the lower middle part of the inner wall of the screening box (1). A screening screen (3) is connected to the upper end of the rectangular ring support frame (104). A trapezoidal guide hopper (2) is fixedly connected to the lower end of the screening box (1). A rectangular support frame (5) is connected to the lower end of the trapezoidal guide hopper (2). A rectangular opening (101) is provided on the front end face of the screening box (1). A baffle (4) is connected inside the rectangular opening (101). A vibration motor (105) is fixedly connected to the middle of the rear end face of the screening box (1).

2. The vibrating screening device according to claim 1, characterized in that: The rectangular ring support frame (104) is fixedly connected to the inner wall of the screening box (1), and the upper edge of the screening mesh (3) is connected to a triangular cross-section rectangular ring pressing frame (301). The screening mesh (3), the triangular cross-section rectangular ring pressing frame (301) and the rectangular ring support frame (104) are fixedly connected by multiple screws (302).

3. The vibrating screening device according to claim 1, characterized in that: The trapezoidal guide hopper (2) has connecting columns (201) fixedly connected to the front and rear ends of the middle of both sides. The lower ends of the four connecting columns (201) are connected to the upper end of the rectangular support frame (5) with springs (501). The upper and lower ends of the springs (501) are fixedly connected to the lower end of the connecting columns (201) and the upper end of the rectangular support frame (5) respectively.

4. The vibrating screening device according to claim 1, characterized in that: A rectangular limiting strip (103) is fixedly connected to the middle of both sides of the rectangular opening (101), and a rectangular limiting groove (401) is provided in the middle of both sides of the baffle (4).

5. A vibrating screening device according to claim 4, characterized in that: After the baffle (4) is inserted into the rectangular opening (101) from the top, the two rectangular limiting strips (103) slide into the two rectangular limiting grooves (401) respectively.

6. The vibrating screening device according to claim 1, characterized in that: The screening box (1) has a first rectangular connecting block (102) fixedly connected to the upper ends of both sides of the rectangular opening (101) on the front section surface, and the baffle (4) has a second rectangular connecting block (402) fixedly connected to the upper ends of both sides of the front end surface.

7. A vibrating screening device according to claim 6, characterized in that: The two first rectangular connecting blocks (102) are fixedly connected to the two second rectangular connecting blocks (402) by bolts (403).

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