Multi-stage filtering and screening device for tetrachlorophthalic anhydride finished product

Abstract

The utility model relates to a multistage filtering and screening device for tetrachlorophthalic anhydride finished products. The multistage filtering and screening device comprises a box body, a feeding opening is formed in the top of the box body, a plurality of screening plates and a collecting box are arranged in the box body, the screening plates are distributed in parallel, the screening plates and the box body are in sliding connection, the screening plates are connected through a connecting frame, and a driving mechanism is arranged in the box body; materials needing to be screened are thrown into the box body through the feeding port and fall on the screening plates, at the moment, the driving mechanism drives the connecting frame to drive the screening plates to move synchronously, the materials on the screening plates are screened and collected through the collecting box on one side, the materials on the different screening plates are screened and collected synchronously, and the screening effect is good.

Description

TECHNICAL FIELD

[0001] The application relates to the field of production equipment of chloranil, in particular to a multi-stage filtering and screening device for chloranil finished products. BACKGROUND

[0002] Chloranil is a white crystal or colorless prismatic needle-shaped crystal, soluble in dioxane, difficult to dissolve in ether, insoluble in cold water, and mainly used as an intermediate for medicines, pesticides, dyes, pigments, resin flame retardants and plastic reinforcing agents.

[0003] Chloranil finished products have different sizes of crystals, which need to be filtered and screened before subsequent processing. In the related art, reference can be made to the utility model patent with the authorized announcement number CN219024944U, which discloses a screening device for chloranil production, comprising an operation plate, the upper surface of the operation plate is fixedly connected with a fixed plate, the front of the fixed plate is provided with a strip-shaped hole on the left and right sides, the inner bottom walls of the two strip-shaped holes are fixedly installed with sliding rails, the sliding rails are slidably connected with sliding blocks, when the motor rotates, the cooperation of the convex plate, the first top column, the second top column and the connecting rod will drive the transmission block to move left and right, the motor and the transmission block will move left and right under the cooperation of the spring, so as to screen the chloranil in the screen frame, and the storage box will discharge the filtered chloranil through the special design and the discharge port.

[0004] In the above-mentioned related art, the screen frame can only screen the chloranil once, and the screening effect of chloranil with different sizes is not good. Utility model content

[0005] In order to solve the problem that the screen frame can only screen the chloranil once and the screening effect of chloranil with different sizes is not good, the application provides a multi-stage filtering and screening device for chloranil finished products.

[0006] The multi-stage filtering and screening device for chloranil finished products provided by the application adopts the following technical scheme:

[0007] A multi-stage filtering and screening device for chloranil finished products, comprising a box body, a feeding port is arranged at the top of the box body, a screen plate is arranged in the box body and inclined at the lower side of the feeding port, a collection box is arranged at the side of the box body where the screen plate is lower, the screen plate and the collection box close the cross section of the box body, the screen plate is provided with a plurality of blocks and is distributed in parallel with each other, the pore size of each screen plate gradually decreases from the side of the feeding port to the side away from the feeding port, the screen plate is slidably connected with the box body in the direction towards and away from the feeding port, the plurality of screen plates are connected through a connecting frame, and a driving mechanism for driving the movement of the connecting frame is arranged in the box body.

[0008] Through the above technical scheme, the material to be screened is put into the box through the feeding port, and the material falls on the screen plate. At this time, the driving mechanism drives the connecting frame to drive the screen plates to move synchronously, and the material on each screen plate is screened and collected by the collecting box on one side. The material on different screen plates is screened and collected synchronously, and the screening effect is good.

[0009] Optionally, a sliding column is vertically arranged in the box, a sliding hole is formed in the screen plate for the sliding column to pass through, the box is provided with a mounting frame on the side lower than the screen plate, the collecting box is arranged on the side of the mounting frame away from the screen plate, and the screen plate is slidably connected with the mounting frame.

[0010] Through the above technical scheme, the screen plate is slidably connected with the mounting frame, and when the screen plate slides, the screen plate slides along the sliding column to guide the movement of the screen plate.

[0011] Optionally, the connecting frame comprises a connecting plate and a sliding block. The connecting plate is arranged at the inner side wall of the box and sequentially connected with the screen plates. The sliding block is arranged at the side face of the connecting plate away from the screen plates. The box is provided with a sliding hole penetrating through the side wall. The sliding block is slidably arranged at the sliding hole of the box and located at the outer side of the box at one end. The driving mechanism is connected with one side of the sliding block.

[0012] Through the above technical scheme, the driving mechanism drives the sliding block to slide along the sliding hole, the sliding block drives the connecting plate to move and then drives the screen plate to move, and all the screen plates are driven to move synchronously for screening operation.

[0013] Optionally, a sliding plate is arranged at the side lower than the screen plate and located at the downward side face. A sliding strip is arranged on one side face of the sliding plate. A sliding groove is formed in the mounting frame for the sliding strip to slide.

[0014] Through the above technical scheme, when the screen plate slides, the sliding strip on one side of the sliding plate slides along the sliding groove of the mounting frame. The screen plate is slidably connected with the mounting frame, and the movement of the screen plate is limited synchronously with the sliding column.

[0015] Optionally, a spring is arranged at the sliding groove of the mounting frame. One end of the spring is connected with one end of the sliding strip. The end of the spring away from the sliding strip is connected with the mounting frame at the bottom wall of the sliding groove.

[0016] Through the above technical scheme, when the screen plate moves, the screen plate drives the spring to stretch and contract, elastically buffers the movement of the screen plate, and reduces the probability of collision and abrasion between the screen plate and the mounting frame.

[0017] Optionally, the driving mechanism comprises a rotating disc and a connecting rod, one side of the box body is provided with a motor, the rotating disc is arranged at the output shaft of the motor and coaxially connected with the output shaft, one end of the connecting rod is rotatably installed on one side surface of the sliding block, and the other end of the connecting rod away from the sliding block is eccentrically rotatably connected with one side surface of the rotating disc.

[0018] By adopting the above technical scheme, the motor drives the rotating disc to rotate, the rotating disc drives the connecting rod to move, and the sliding block drives the connecting plate to move, so that the screen plate reciprocatingly slides, and the driving operation is convenient.

[0019] Optionally, the collecting box is slidingly installed on the mounting frame, and the side of the sliding plate, on which the screen plate is located, is provided with an extension plate, and the side of the extension plate away from the screen plate is located on the upper side of the collecting box.

[0020] By adopting the above technical scheme, when the materials screened and left on the screen plate are conveyed to the collecting box along the extension plate on one side of the screen plate, the probability of the materials falling on the mounting frame and being inconvenient to clean is reduced.

[0021] Optionally, the side surface of the collecting box is provided with a handle.

[0022] By adopting the above technical scheme, the handle is pulled to drive the collecting box to slidingly install and conveniently take out.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The materials to be screened are put into the box through the feeding port, and the materials fall on the screen plate, at this time, the driving mechanism drives the connecting frame to drive the screen plates to synchronously move, the materials on the screen plates are screened, and the materials on the screen plates are collected at the collecting box on one side, the materials on different screen plates are synchronously screened and collected, and the screening effect is better;

[0025] 2. The spring is used for elastically buffering the screen plate, so as to reduce the probability of collision and abrasion between the screen plate and the mounting frame;

[0026] 3. The plurality of collecting boxes are arranged to facilitate the separate collection of the screened materials. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a perspective structural schematic view of the present application.

[0028] Figure 2 is a vertical sectional view of the present application.

[0029] Figure 3 is an enlarged perspective structural schematic view of part A of the present application.

[0030] Figure 4It is the screen and the mounting rack side of the application of the structure of the schematic diagram.

[0031] Figure 5 It is the B part of the application of the structure of the schematic diagram.

[0032] Those skilled in the art will understand that the elements in the drawings are shown for simplicity and clarity and are not necessarily drawn to scale. For example, the dimensions and positions of some of the elements in the drawings can be exaggerated relative to other elements to help improve the understanding of the present embodiments.

[0033] Reference signs: 1, box; 11, feed inlet; 12, sliding hole; 13, sliding column; 14, mounting rack; 141, sliding groove; 142, spring; 2, screen; 21, sliding hole; 22, sliding plate; 221, sliding bar; 23, extension plate; 3, collection box; 31, handle; 4, connecting frame; 41, connecting plate; 42, sliding block; 5, drive mechanism; 51, rotating disc; 52, connecting rod; 53, motor. DETAILED DESCRIPTION

[0034] The application will be further described in detail below with reference to the accompanying drawings.

[0035] The embodiment of the application discloses a multi-stage filtering and screening device for finished product of tetrachlorophthalic anhydride, referring to Figure 1 and Figure 2 , comprising a box 1, the top of the box 1 is provided with a feed inlet 11, the box 1 is provided with a screen 2 which is inclined and located below the feed inlet 11, the box 1 is provided with a collection box 3 at the lower side of the screen 2, the screen 2 and the collection box 3 close the cross section of the box 1, the screen 2 is provided with four screens which are parallel to each other, the aperture of each screen 2 gradually decreases from top to bottom, the screen 2 is connected with the box 1 in a sliding manner, the screen 2 slides in the vertical direction, the four screens 2 are connected through a connecting frame 4, and the box 1 is provided with a drive mechanism 5. The material to be screened is put into the box 1 through the feed inlet 11, and then falls on the screen 2, at this time, the drive mechanism 5 drives the connecting frame 4 to drive the screens 2 to move synchronously, the material on each screen 2 is screened, and the collection box 3 at one side is used for collecting, the material on different screens 2 is screened and collected synchronously, and the screening effect is better.

[0036] Referring to Figure 1 and Figure 3The connecting frame 4 comprises a connecting plate 41 and a sliding block 42. The connecting plate 41 is vertically arranged at the inner side wall of the box body 1 and is connected to each sieve plate 2 by bolts. The sliding block 42 is arranged at the side of the connecting plate 41 away from the sieve plate 2. A sliding hole 12 is formed in the vertical direction on the side wall of the box body 1. The sliding block 42 is slidingly installed at the sliding hole 12 of the box body 1, and the end of the sliding block 42 away from the connecting plate 41 is located outside the box body 1. The driving mechanism 5 comprises a rotating disc 51 and a connecting rod 52. A motor 53 is arranged at one side of the box body 1. The rotating disc 51 is arranged at the output shaft of the motor 53 and is coaxially connected to the output shaft. One end of the connecting rod 52 is rotatably installed on the side of the sliding block 42. The end of the connecting rod 52 away from the sliding block 42 is eccentrically rotatably connected to the side of the rotating disc 51. The motor 53 drives the rotating disc 51 to rotate, which drives the connecting rod 52 and further drives the sliding block 42 to move up and down along the sliding hole 12. The sliding block 42 drives the connecting plate 41 and further drives the sieve plate 2 to reciprocatingly slide, thereby driving all the sieve plates 2 to move synchronously for screening work.

[0037] With reference to Figure 4 and Figure 5 , a sliding column 13 is vertically arranged in the box body 1 at the higher side of the sieve plate 2. A sliding hole 21 is formed in the sieve plate 2 for the sliding column 13 to pass through. When the sieve plate 2 slides, the sieve plate 2 slides along the sliding column 13 to guide the movement of the sieve plate 2. An installation frame 14 is arranged in the box body 1 at the lower side of the sieve plate 2. The installation frame 14 is distributed along the width direction of the box body 1. A sliding plate 22 is vertically arranged at the lower side of the sieve plate 2 and at the downward side. The sliding plate 22 is attached to the side of the installation frame 14. A sliding strip 221 is vertically arranged on the side of the sliding plate 22 facing the sliding column 13. A sliding groove 141 is formed in the side of the installation frame 14 for the sliding strip 221 to slide. When the sieve plate 2 slides, the sliding strip 221 on the side of the sliding plate 22 slides along the sliding groove 141 of the installation frame 14. The sieve plate 2 is slidingly connected with the installation frame 14 and is limited in movement synchronously with the sliding column 13.

[0038] With reference to Figure 5 , the installation frame 14 is provided with a spring 142 at the bottom wall of the sliding groove 141. The upward end of the spring 142 is connected to the downward end of the sliding strip 221. When the sieve plate 2 moves, the sieve plate 2 stretches and contracts the spring 142 to elastically buffer the movement of the sieve plate 2, thereby reducing the probability of collision and abrasion between the sieve plate 2 and the installation frame 14.

[0039] With reference to Figure 2The collecting box 3 is slidably installed on the side of the mounting frame 14 away from the sieve plate 2, a handle 31 is arranged on one side of the collecting box 3, the sieve plate 2 is provided with an extension plate 23 on one side of the sliding plate 22, and the extension plate 23 is located on the upper side of the collecting box 3 away from the sieve plate 2. When the material is screened and deposited on the sieve plate 2, the extension plate 23 on one side of the sieve plate 2 is conveyed to the collecting box 3, so that the probability of the material falling on the mounting frame 14 and being inconvenient to clean is reduced.

[0040] The implementation principle of the multi-stage filtering and screening device for finished product of four-chloro phthalic anhydride is as follows: the material to be screened is fed into the box body 1 through the feeding port 11, and the material falls on the sieve plate 2; at this time, the motor 53 drives the rotating disc 51 to rotate, the connecting frame 4 is driven to move through the connecting rod 52, and each sieve plate 2 is synchronously moved, the material on each sieve plate 2 is screened, and the material is collected at the collecting box 3 on one side, and the material on different sieve plates 2 is synchronously screened and collected.

[0041] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A multi-stage filtering and screening device for finished product of tetrachlorophthalic anhydride, comprising a box (1), the top of the box (1) is provided with a feeding port (11), characterized in that: The box (1) is inclined and provided with a sieve plate (2) below the feed inlet (11), the box (1) is provided with a collecting box (3) on the lower side of the sieve plate (2), the sieve plate (2) and the collecting box (3) close the cross section of the box (1), the sieve plate (2) is provided with a plurality of parallel distribution, the aperture of each sieve plate (2) gradually decreases from the side of the feed inlet (11) to the side away from the feed inlet (11), the sieve plate (2) and the box (1) are connected, the sieve plate (2) slides towards and away from the feed inlet (11), the sieve plate (2) is connected by a connecting frame (4), the box (1) is provided with a driving mechanism (5) for driving the connecting frame (4) to move.

2. A multi-stage filtering and screening device for phthalic anhydride finished product according to claim 1, characterized in that: The box (1) is vertically provided with a sliding column (13), the sieve plate (2) is provided with a sliding hole (21) for the sliding column (13) to pass through, the box (1) is provided with a mounting frame (14) on the lower side of the sieve plate (2), the collecting box (3) is arranged on the side of the mounting frame (14) away from the sieve plate (2), the sieve plate (2) and the mounting frame (14) are connected.

3. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 1 characterized in that: The connecting frame (4) includes a connecting plate (41) and a sliding block (42), the connecting plate (41) is arranged on the inner side wall of the box (1) and connected with each sieve plate (2) in turn, the sliding block (42) is arranged on the side of the connecting plate (41) away from the sieve plate (2), the box (1) is provided with a sliding hole (12) penetrating through the side wall, the sliding block (42) is slidably installed in the sliding hole (12) of the box (1) and located outside the box (1) at one end, and the driving mechanism (5) is connected with one side of the sliding block (42).

4. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 2, characterized in that: The sieve plate (2) is provided with a sliding plate (22) on the lower side and the downward side, the sliding plate (22) is provided with a sliding strip (221) on one side, and the mounting frame (14) is provided with a sliding groove (141) for the sliding strip (221) to slide.

5. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 4, characterized in that: The mounting frame (14) is provided with a spring (142) at the sliding groove (141), one end of the spring (142) is connected with one end of the sliding strip (221), and the other end of the spring (142) away from the sliding strip (221) is connected with the mounting frame (14) at the bottom wall of the sliding groove (141).

6. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 3, characterized in that: The driving mechanism (5) includes a rotating disc (51) and a connecting rod (52), one side of the box (1) is provided with a motor (53), the rotating disc (51) is arranged at the output shaft of the motor (53) and connected coaxially with the output shaft, one end of the connecting rod (52) is rotatably installed on one side of the sliding block (42), and the other end of the connecting rod (52) away from the sliding block (42) is eccentrically connected with one side of the rotating disc (51).

7. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 4, characterized in that: The collecting box (3) is slidingly installed on the mounting rack (14), and the sieve plate (2) is provided with an extension plate (23) on one side of the sliding plate (22), and the side, away from the sieve plate (2), of the extension plate (23) is located on the upper side of the collecting box (3).

8. A multi-stage filtering and screening device for phthalic anhydride end product according to claim 1 characterized in that: A handle (31) is arranged on one side of the collecting box (3).

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