Chemical vibrating screen

Abstract

The utility model relates to a chemical vibrating screen in the technical field of chemical vibrating devices. A screening device used for screening chemical materials is installed in the middle of an inner cavity of the protection box, and a conveying device used for conveying large-particle materials is installed on the left side of the inner cavity of the protection box. When a cam is matched with a spring to control a first screening plate to vibrate up and down, a second screening plate and a third screening plate synchronously vibrate up and down, and large-particle materials fall into a first conveying box through the left sides of the first screening plate, the second screening plate and the third screening plate; small-particle materials fall down through a first filtering hole, a second filtering hole and a third filtering hole and fall into a collecting box through a discharging opening, the materials in a second conveying box are conveyed upwards through a spiral conveyor, and after large-particle materials are refined through cooperation of an L-shaped push plate and a fourth screening plate, the large-particle materials are conveyed to the upper end of a first screening plate to be screened again.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical vibration devices, in particular to a chemical vibrating screen. Background Technique

[0002] A chemical vibrating screen is a high-precision fine powder screening machine with low noise and high efficiency. It has a fully enclosed structure and is suitable for screening and filtering granular, powdered, and viscous materials such as octadecanedioic acid, octadecanediol, 18-hydroxystearic acid, eicosanedioic acid, eicosanediol, tetracosanedioic acid, and docosanedioic acid.

[0003] For example, a chemical vibrating screen disclosed in Chinese Patent Application No. CN202022200020.7 has the following specific content: It includes a vibration box. Inside the vibration box, there is a vibration box which is a rectangular box structure with an openable lid at the top. Above the vibration box, there is a feeding hopper. The upper part of the feeding hopper movably penetrates through the upper surface of the vibration box. At the lower end of the vibration box, there are a second discharge pipe and a first discharge pipe. The second discharge pipe is connected to the outside of the vibration box, and the first discharge pipe is connected to the inside of the vibration box. The vibration box is inclined. At the bottom of the vibration box, there is a vibration wheel which is in an oval structure. Below the vibration box, there is a baffle supported. The baffle is fixedly welded inside the vibration box. There are two groups of baffles. On the upper surface of the baffle, there is a rubber pad fixedly arranged. On one side of the vibration box, there is an openable cleaning door. Inside the vibration box, there is a sieve plate. On the surface of the sieve plate, there are multiple groups of sieve holes penetrating up and down. In this device, materials can be added to the vibration box from the feeding hopper in real time for vibration screening. However, it has the following technical problems:

[0004] Large particle materials that are difficult to pass through the sieve holes fall into the inside of the vibration box through the first discharge pipe, and manual cleaning of the large particle materials is still required. The cleaned large particle materials need to be crushed by grinding equipment and then screened again, and the operation is rather cumbersome. Content of the Utility Model

[0005] To solve the problems raised in the above background technique, the utility model provides the following technical solutions:

[0006] A chemical vibrating screen includes a protective box;

[0007] In the middle of the inner cavity of the protective box, a screening device for screening chemical materials is installed. On the left side of the inner cavity of the protective box, a conveying device for conveying large particle materials is installed.

[0008] The protective box includes a box body. Inside the box body, a spring is installed. Inside the inner cavity of the box body, a cam for cooperating with the spring to control the vibration of the screening device is installed.

[0009] The screening device includes a first screening plate, a second screening plate, and a third screening plate for screening materials.

[0010] The conveying device includes a second conveying box. Inside the second conveying box, a screw conveyor for conveying large-particle materials is installed. At the upper end of the second conveying box, a fourth screening plate is installed, and an L-shaped pushing plate for refining large-particle materials is installed at the upper end of the second conveying box.

[0011] Further, a feeding port is installed at the upper end of the box body. At the lower end of the feeding port, a first discharge pipe is installed. At the right end of the cam, a first motor for controlling the rotation of the cam is installed.

[0012] Further, a first conveying box is installed in the inner cavity of the box body. On the right side of the first conveying box, a first limiting pipe for limiting the first screening plate is installed, a second limiting pipe for limiting the second screening plate is installed, and a third limiting pipe for limiting the third screening plate is installed. At the left bottom of the first conveying box, a second discharge pipe for conveying large-particle materials into the second conveying box is installed.

[0013] Further, a discharge port is installed at the lower end of the inner cavity of the box body, and a collection box for collecting chemical materials is placed at the bottom of the box body.

[0014] Further, an arc-shaped plate one is arranged on the left side of the first screening plate. The left side of the arc-shaped plate one is connected to a screening straight plate one. A plurality of first filter holes are formed in the middle of the plate body of the first screening plate. On the right side of the first screening plate, a fixing block for cooperating with the cam to control the vibration of the first screening plate is installed. At the bottom of the fixing block, a plurality of connecting rods are installed. At the bottom of the connecting rods, a limiting plate is installed. At the lower right end of the first screening plate, a connecting plate one for limiting the second screening plate is installed.

[0015] Further, an arc-shaped plate two is arranged on the left side of the second screening plate. The left side of the arc-shaped plate two is connected to a screening straight plate two. A plurality of second filter holes are formed in the middle of the plate body of the second screening plate, and the inner diameter of the hole cavity of the first filter hole is larger than that of the hole cavity of the second filter hole. At the lower right end of the second screening plate, a connecting plate two for limiting the third screening plate is installed.

[0016] Further, an arc-shaped plate three is arranged on the left side of the third screening plate. The left side of the arc-shaped plate three is connected to a screening straight plate three. A plurality of third filter holes are formed in the middle of the plate body of the third screening plate, and the inner diameter of the hole cavity of the second filter hole is larger than that of the hole cavity of the third filter hole.

[0017] Furthermore, a second motor for controlling the rotation of the screw conveyor is installed at the bottom of the screw conveyor. An inlet for limiting the second discharge pipe is provided on the right side of the second conveying box. A cylinder for controlling the left-right movement of the L-shaped push plate is installed on the left side of the L-shaped push plate. A pull rod is installed at the upper end of the fourth screening plate. A conveying pipe for facilitating the conveyance of materials to the upper end of the first screening plate is installed at the top right of the second conveying box.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] When the cam cooperates with the spring to control the up-and-down vibration of the first screening plate, the second screening plate and the third screening plate vibrate up and down synchronously. Large particles of materials fall into the interior of the first conveying box through the left sides of the first screening plate, the second screening plate, and the third screening plate. Small particles of materials fall through the first filter holes, the second filter holes, and the third filter holes, and then fall into the interior of the collection box through the discharge port. The materials in the second conveying box are conveyed upward by the screw conveyor. After the large particles of materials are refined by the cooperation of the L-shaped push plate and the fourth screening plate, they are conveyed to the upper end of the first screening plate for re-screening. Description of the Drawings

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a schematic diagram of the structure of the protective box of the present utility model;

[0022] Figure 3 is a schematic diagram of the structure of the screening device of the present utility model;

[0023] Figure 4 is a schematic diagram of the structure of the conveying device of the present utility model.

[0024] In the drawings, the list of component names represented by each reference numeral is as follows:

[0025] 001 - Protective box;

[0026] 100 - Box body, 110 - Feeding port, 111 - First discharge pipe, 120 - Cam, 121 - First motor, 130 - Spring, 140 - First conveying box, 141 - First limiting pipe, 142 - Second limiting pipe, 143 - Third limiting pipe, 144 - Second discharge pipe, 150 - Discharge port, 160 - Collection box;

[0027] 002 - Screening device;

[0028] 200 - First screening plate, 210 - First arc-shaped plate, 220 - First screening straight plate, 230 - First filter hole, 240 - First connecting plate, 250 - Fixed block, 251 - Connecting rod, 252 - Limiting plate;

[0029] 300 - Second screening plate, 310 - Second arc-shaped plate, 320 - Second straight screening plate, 330 - Second filter hole, 340 - Second connecting plate;

[0030] 400 - Third screening plate, 410 - Third arc-shaped plate, 420 - Third straight screening plate, 430 - Third filter hole;

[0031] 003 - Conveyor device;

[0032] 500 - Second conveying box, 510 - Screw conveyor, 511 - Second motor, 520 - Feed inlet, 530 - L-shaped pushing plate, 531 - Cylinder, 540 - Fourth screening plate, 541 - Pull rod, 550 - Conveying pipe. Specific embodiments

[0033] The following describes in detail the preferred specific embodiments for implementing the present utility model, and a clear and complete description is made in combination with the accompanying drawings.

[0034] Please refer to Figures 1 - 4 , the present utility model provides a chemical vibrating screen, which includes a protective box 001, a screening device 002 and a conveyor device 003.

[0035] The protective box 001 includes a box body 100. At the upper end of the box body 100, a feeding port 110 is fixedly installed for conveniently feeding chemical materials onto the upper end of the first screening plate 200. At the lower end of the feeding port 110, a first discharge pipe 111 is fixedly installed. Inside the box body 100, a spring 130 is installed. At the upper right end of the inner cavity of the box body 100, a fixing block for supporting and limiting the spring 130 is fixedly installed, and a cavity a for the fixing block 250 to move up and down is opened on the left side of the fixing block, and the cam 120 rotates in the cavity a.

[0036] Inside the inner cavity of the box body 100, a cam 120 for cooperating with the spring 130 to control the screening device 002 to vibrate is installed. At the right end of the cam 120, a first motor 121 for controlling the rotation of the cam 120 is fixedly installed. When the first motor 121 starts, it drives the cam 120 to rotate. When the cam 120 rotates, the protruding part of the cam 120 presses the fixing block 250, causing the cam 120 to move downward and compress the spring 130. When the protruding part of the cam 120 rotates upward, the spring 130 pushes the limiting plate 252, causing the first screening plate 200 to move upward. In this way, reciprocatingly, it drives the first screening plate 200, the second screening plate 300 and the third screening plate 400 to vibrate. At the lower end of the inner cavity of the box body 100, a discharge port 150 is installed. At the bottom of the box body 100, a collection box 160 for uniformly collecting chemical materials is placed.

[0037] Inside the inner cavity of the box body 100, a first conveying box 140 for limiting and conveying the protection box 001 is fixedly installed. On the right side of the first conveying box 140, a first limiting pipe 141 for limiting the first screening plate 200 is installed. On the left side of the first screening plate 200, a rotating rod is provided. At the lower end of the first limiting pipe 141, a cavity for the rotating rod to rotate is opened.

[0038] On the right side of the first conveying box 140, a second limiting pipe 142 for limiting the second screening plate 300 is installed. On the left side of the second screening plate 300, a rotating rod is provided. At the lower end of the second limiting pipe 142, a cavity for the rotating rod to rotate is opened. On the right side of the first conveying box 140, a third limiting pipe 143 for limiting the third screening plate 400 is installed. On the left side of the third screening plate 400, a rotating rod is provided. At the lower end of the third limiting pipe 143, a cavity for the rotating rod to rotate is opened. At the left bottom of the first conveying box 140, a second feeding pipe 144 for conveying large-particle materials into the interior of the second conveying box 500 is installed. The large-particle materials shaken off from the first screening plate 200, the second screening plate 300, and the third screening plate 400 fall from the left sides of the first screening plate 200, the second screening plate 300, and the third screening plate 400 into the inner cavity of the first conveying box 140, and finally are conveyed into the inner cavity of the second conveying box 500 through the second feeding pipe 144.

[0039] In the middle of the inner cavity of the protection box 001, a screening device 002 for screening chemical materials is installed. The screening device 002 includes a first screening plate 200, a second screening plate 300, and a third screening plate 400 for screening materials. The first screening plate 200, the second screening plate 300, and the third screening plate 400 are all inclined, and the right side is higher than the left side.

[0040] On the left side of the first screening plate 200, a first arc-shaped plate 210 is provided. On the left side of the first arc-shaped plate 210, a first straight screening plate 220 is connected. In the middle of the plate body of the first screening plate 200, a plurality of first filter holes 230 for the materials to fall are opened. On the right side of the first screening plate 200, a fixing block 250 for cooperating with the cam 120 to control the vibration of the first screening plate 200 is fixedly installed. At the bottom of the fixing block 250, a plurality of connecting rods 251 are fixedly installed. At the bottom of the connecting rods 251, a limiting plate 252 is fixedly installed. At the lower right end of the first screening plate 200, a first connecting plate 240 for limiting the second screening plate 300 is fixedly installed. The bottom end of the first connecting plate 240 is fixedly connected to the top of the right end of the second screening plate 300.

[0041] On the left side of the second screening plate 300, there is an arc-shaped plate two 310. The left side of the arc-shaped plate two 310 is connected to a screening straight plate two 320. In the middle of the plate body of the second screening plate 300, there are a plurality of second filter holes 330 for the material to fall through. And the inner diameter of the hole cavity of the first filter hole 230 is larger than that of the hole cavity of the second filter hole 330. At the lower right end of the second screening plate 300, there is a connecting plate two 340 for limiting the third screening plate 400. The bottom end of the connecting plate two 340 is fixedly connected to the upper right end of the third screening plate 400.

[0042] On the left side of the third screening plate 400, there is an arc-shaped plate three 410. And the radian of the arc-shaped plate one 210 is larger than that of the arc-shaped plate two 310, and the radian of the arc-shaped plate two 310 is larger than that of the arc-shaped plate three 410. The left side of the arc-shaped plate three 410 is connected to a screening straight plate three 420. In the middle of the plate body of the third screening plate 400, there are a plurality of third filter holes 430 for the material to fall through. And the inner diameter of the hole cavity of the second filter hole 330 is larger than the inner cavity diameter of the third filter hole 430.

[0043] When the cam 120 cooperates with the spring 130 to control the first screening plate 200 to vibrate up and down, the second screening plate 300 and the third screening plate 400 vibrate up and down synchronously. The large particles of the material fall into the inside of the first conveying box 140 through the left sides of the first screening plate 200, the second screening plate 300 and the third screening plate 400. The small particles of the material fall through the first filter hole 230, the second filter hole 330 and the third filter hole 430, and fall into the inside of the collection box 160 through the material outlet 150.

[0044] On the left side of the inner cavity of the protective box 001, there is a conveying device 003 for conveying large-particle materials. The conveying device 003 includes a second conveying box 500. Inside the second conveying box 500, there is a screw conveyor 510 for conveying large-particle materials. At the bottom of the screw conveyor 510, there is a second motor 511 for controlling the rotation of the screw conveyor 510. On the right side of the second conveying box 500, there is a feeding port 520 for limiting the second material pipe 144.

[0045] An L-shaped push plate 530 for refining large-particle materials is installed at the upper end of the second conveying box 500. A cylinder 531 for controlling the left-right movement of the L-shaped push plate 530 is installed on the left side of the L-shaped push plate 530. A fourth screening plate 540 is installed at the upper end of the second conveying box 500. The size of the filter holes formed in the fourth screening plate 540 is the same as the cavity size of the third filter holes 430. A pull rod 541 for facilitating the lifting of the fourth screening plate 540 is fixedly installed at the upper end of the fourth screening plate 540. A conveying pipe 550 for facilitating the conveyance of materials to the upper end of the first screening plate 200 is fixedly installed at the right top end of the second conveying box 500. The refined materials are conveyed to the upper end of the first screening plate 200 through the conveying pipe 550, and finally fall into the interior of the collection box 160 for collection through the vibration of the first screening plate 200, the second screening plate 300, and the third screening plate 400.

[0046] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the present utility model. In addition, any non-creative modifications made to the present utility model by those skilled in the art without creative efforts still fall within the protection scope of the present utility model.

Claims

1. A chemical vibrating screen, comprising a protective box (001), characterized in that: A screening device (002) for screening chemical materials is installed in the middle of the inner cavity of the protection box (001), and a conveying device (003) for conveying large particle materials is installed on the left side of the inner cavity of the protection box (001); The protection box (001) comprises a box body (100), a spring (130) is installed inside the box body (100), and a cam (120) is installed in the inner cavity of the box body (100) for cooperating with the spring (130) to control the vibration of the screening device (002); The screening device (002) comprises a first screening plate (200), a second screening plate (300) and a third screening plate (400) for screening materials; The conveying device (003) includes a conveying box 2 (500), a screw conveyor (510) for conveying large particle materials is installed inside the conveying box 2 (500), a fourth screening plate (540) is installed at the upper end of the conveying box 2 (500), and an L-shaped push plate (530) for refining the large particle materials is installed at the upper end of the conveying box 2 (500).

2. A chemical vibration screen according to claim 1, characterized in that: A feeding port (110) is installed at the upper end of the box body (100), a feeding pipe (111) is installed at the lower end of the feeding port (110), and a motor (121) for controlling the rotation of the cam (120) is installed at the right end of the cam (120).

3. A chemical vibration screen according to claim 1, characterized in that: The inner cavity of the box body (100) is installed with a conveying box 1 (140), and the right side of the conveying box 1 (140) is installed with a first limiting tube (141) for limiting the first screening plate (200), the right side of the conveying box 1 (140) is installed with a second limiting tube (142) for limiting the second screening plate (300), the right side of the conveying box 1 (140) is installed with a third limiting tube (143) for limiting the third screening plate (400), and the left bottom of the conveying box 1 (140) is installed with a discharge tube 2 (144) for conveying large particle materials to the interior of the conveying box 2 (500).

4. A chemical vibrating screen according to claim 1, characterized in that: A material discharge port (150) is installed at the lower end of the inner cavity of the box body (100), and a collection box (160) for collecting chemical materials is placed at the bottom of the box body (100).

5. A chemical vibration screen according to claim 1, characterized in that: An arc-shaped plate (210) is arranged on the left side of the first screening plate (200), and a screening straight plate (220) is connected to the left side of the arc-shaped plate (210); a plurality of first filter holes (230) are provided in the middle of the plate body of the first screening plate (200); a fixed block (250) for cooperating with the cam (120) to control the first screening plate (200) to vibrate is installed on the right side of the first screening plate (200); a plurality of connecting rods (251) are installed at the bottom of the fixing block (250); a limiting plate (252) is installed at the bottom of the connecting rods (251); and a connecting plate (240) for limiting the second screening plate (300) is installed at the lower end of the right side of the first screening plate (200).

6. A chemical vibration screen according to claim 5, characterized in that: An arc plate 2 (310) is arranged on the left side of the second screening plate (300), and a screening straight plate 2 (320) is connected to the left side of the arc plate 2 (310). A plurality of second filter holes (330) are opened in the middle of the plate body of the second screening plate (300), and the inner diameter of the cavity of the first filter hole (230) is larger than the inner diameter of the cavity of the second filter hole (330). A connecting plate 2 (340) for limiting the third screening plate (400) is installed at the lower right end of the second screening plate (300).

7. A chemical vibration screen according to claim 6, characterized in that: An arc plate three (410) is arranged on the left side of the third screening plate (400), and a screening straight plate three (420) is connected to the left side of the arc plate three (410). A plurality of third filter holes (430) are opened in the middle of the plate body of the third screening plate (400), and the inner diameter of the cavity of the second filter hole (330) is larger than the inner diameter of the cavity of the third filter hole (430).

8. A chemical vibration screen according to claim 3, characterized in that: A second motor (511) for controlling the rotation of the screw conveyor (510) is installed at the bottom of the screw conveyor (510), a feed port (520) for limiting the position of the second feed pipe (144) is opened on the right side of the second conveying box (500), a cylinder (531) for controlling the left and right movement of the L-shaped push plate (530) is installed on the left side of the L-shaped push plate (530), a pull rod (541) is installed at the upper end of the fourth screening plate (540), and a conveying pipe (550) for conveying materials to the upper end of the first screening plate (200) is installed at the top right side of the second conveying box (500).

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