CN209886145U - A conductive carbon black powder screening device - Google Patents

Abstract

The utility model discloses a conductive carbon black powder screening device, which comprises a box body and a worktable fixed under the box body. The nozzle runs through the worktable, and there is a corresponding collection bucket under the discharge nozzle. The box is provided with an openable and closeable material separation structure. The material separation structure divides the box into storage bins and screening from top to bottom. The bottom of the workbench is provided with a vibration workbench motor and a support structure that can make the workbench shake. The utility model can realize sufficient screening of carbon black in the production process, which can not only reduce the work burden of staff, save time, and improve work efficiency, but also can avoid excessive impurities in carbon black if the carbon black is sufficiently screened. Ensure the normal use of carbon black.

Description

A conductive carbon black powder screening device

technical field

The utility model relates to the technical field of carbon black production and processing, in particular to a conductive carbon black powder screening device.

Background technique

Conductive carbon black is an amorphous carbon. Light, loose and extremely fine black powder with a very large surface area, ranging from 10 to 3000m2/g, is a carbonaceous material (coal, natural gas, heavy oil, fuel oil, etc.) that undergoes incomplete combustion or thermal decomposition under the condition of insufficient air resulting product.

Conductive carbon black is often used to improve the conductive properties of polymers, thereby preparing conductive polymer materials with relatively low surface resistivity. Carbon black is easy to agglomerate, and the particle size of the cheap conductive carbon black product itself is uneven, which affects the dispersion of carbon black in the polymer melt, and the properties of the processed conductive polymer are also unstable, so the conductive carbon black needs to be screened. . In the prior art, the screening of carbon black is not sufficient, and two or more screenings are required. The screening method has low efficiency and general effect. Therefore, we propose a conductive carbon black powder screening device.

Utility model content

The purpose of the present utility model is to provide a conductive carbon black powder screening device, so as to solve the problem that the screening of carbon black is not sufficient in the prior art proposed in the above-mentioned background technology, it needs to be screened twice or more times, and the screening method is inefficient. , and the effect is general.

In order to achieve the above purpose, the utility model provides the following technical solutions: a conductive carbon black powder screening device, comprising a box body and a workbench, the workbench is fixed under the box body, and the top of the box body is provided with a feeding port, The bottom of the box is provided with a discharge nozzle, the discharge nozzle penetrates the worktable, and a collection bucket is correspondingly arranged below the discharge nozzle. The box is provided with an openable and closable material separation structure, and the material separation structure separates the inside of the box. From top to bottom, it is divided into a storage bin and a screening bin. The bottom of the workbench is provided with a vibration workbench motor and a support structure that can make the workbench shake. Among them:

There is a screening structure in the screening bin, and the screening structure is a first screening structure, a second screening structure and a third screening structure from top to bottom. It is composed of a vibration motor. The screen is inclined and arranged on the inner wall of the box. The position corresponding to the high position of the box and the screen is provided with a screen outlet. The screen can be taken out from the screen outlet. The box corresponds to the lower position of the screen. There is an opening above and near the position of the screen, and a collection box is set at the opening. The vibration motor is fixed on the inner wall of the box below the screen. The vibration surface of the vibration motor contacts the screen and the vibration motor supports the screen. The three-screening structure includes an inclined plate and a discharge screen. The left end of the inclined plate is fixed on the inner wall of the box, and the right end is connected to the discharge screen. The discharge screen is located above the discharge nozzle.

Preferably, the separator structure includes a separator, a rotating shaft, a telescopic rod and a hydraulic device, the separator is fixed on the inner wall of the box through a loose leaf, a rotating shaft is interspersed with the loose leaf, the rotating shaft is movably connected with the separator, and one end of the telescopic rod is connected to the hydraulic device, The other end is connected to the end face of the baffle, and the up and down movement of the hydraulic device is controlled to drive the up and down movement of the telescopic rod, so that the baffle rotates around the rotating shaft, thereby making the baffle open or close.

Preferably, the screens in the screening bin are respectively a first screen and a second screen from top to bottom, the inclination of the first screen and the second screen is set to 30°-60°, the first screen is The mesh is arranged in parallel with the second mesh and the mesh of the first mesh is larger than the mesh of the second mesh.

Preferably, the bottom of the inclined plate is fixed in the box by a fixing plate, and the inclined plate is adjacent to the outlet of the discharge pipe.

Preferably, the support structure includes a spring, a work support and a fixed seat, the spring is arranged on the top of the work support and is connected to the workbench, the fixed seat is fixed on the ground, the fixed seat is provided with a slot, the working support is arranged in the slot, and the slot Corresponds to the working stand position and matches the size.

Preferably, the hydraulic device and the collecting box are both arranged on a connecting frame connected to the box body.

Preferably, a tank cover is provided at the feed port.

The technical solutions provided by the embodiments of the present utility model may include the following beneficial effects:

1. The utility model device adopts three screening structures, the carbon black falls into the first screening structure, and the carbon black with a specific particle size screened by the first screen falls into the collecting box along the first screen, which does not meet the The carbon black with the particle size of the first screen falls to the second screen, and the carbon black with a specific particle size screened by the second screen falls into the collecting box along the second screen, and the carbon black that does not meet the particle size of the second screen The black is finally screened by the discharge screen and falls into the collecting bucket through the discharge nozzle to complete the three screenings. Through such a structure setting, a variety of carbon blacks with different particle sizes can be screened out to improve the efficiency;

2. The screen can be taken out from the sieve opening. By replacing the screen with different mesh numbers, conductive carbon black materials with different particle sizes that meet different production requirements can be screened out. The structure is simple and the operation is convenient and flexible. The vibration motor connected to the lower surface of the screen makes it easier for the carbon black falling on the surface of the screen to move to a lower position under the vibration force of the vibration motor. After the carbon black enters the collecting box, it can concentrate the screened carbon black. Collection and storage, convenient for staff to handle, simple operation and good screening effect;

3. The vibration table motor at the bottom of the worktable cooperates with the support structure of the worktable, which can make the whole device vibrate, speed up the screening speed of carbon black in the device, improve the work efficiency, make the carbon black fully screen and avoid the carbon black in the carbon black. Excessive impurities ensure the normal use of carbon black.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model separator structure;

Fig. 3 is the structural representation of the support structure of the present utility model;

FIG. 4 is a top view of the fixing seat of the present invention.

In the picture: 1. Box body; 2. Workbench; 3. Feeding port; 4. Discharging nozzle; 5. Material separation structure; 5-1. Separator; device; 5-4, telescopic rod; 6, vibration table motor; 7, support structure; 7-1, spring; 7-2, working bracket; 7-3, fixed seat; 8, screening bin; 9, screen ; 9-1, the first screen; 9-2, the second screen; 10, the vibration motor; 11, the opening; 12, the collecting box; 13, the inclined plate; 14, the discharge screen; 15, the fixed plate ; 16, connecting frame; 17, box cover; 18, taking sieve; 19, collecting bucket; 20, notch.

Detailed ways

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

Please refer to FIG. 1, the present utility model provides a technical solution: a conductive carbon black powder screening device, comprising a box body 1 and a worktable 2 fixed under the box body 1, the top of the box body 1 is provided with a feeding port 3. The bottom of the box body 1 is provided with a discharge nozzle 4. The discharge nozzle 4 runs through the workbench 2 and a collection bucket 19 is correspondingly arranged below the discharge nozzle 4. The box body 1 is provided with an openable and closable partition. The material structure 5, the material separation structure 5 divides the box into a storage bin and a screening bin 8 from top to bottom, and the bottom of the workbench 2 is provided with a vibration workbench motor 6 and a support structure 7 that can shake the workbench 2;

The screening bin 8 is provided with a screening structure, and the screening structure is a first screening structure, a second screening structure and a third screening structure in order from top to bottom. 9 and the vibration motor 10 are formed, the screen 9 is inclined and arranged on the inner wall of the box 1, the box 1 and the screen 9 are provided with a screen opening 18 at the position corresponding to the high position of the screen 9, and the screen 9 can be taken from the screen 18. Take out, there is an opening 11 above and adjacent to the position corresponding to the low position of the box 1 and the screen 9, and a collecting box 12 is arranged at the opening 11. The vibration motor 10 is fixed on the inner wall of the box 1 below the screen 9, and the vibration is The vibration surface of the motor 10 contacts the screen 9 and the vibration motor 10 supports the screen 9. The third screening structure includes an inclined plate 13 and a discharge screen 14. The left end of the inclined plate 13 is fixed on the inner wall of the box 1, and the right end is connected to The discharge screen 14, the discharge screen 14 is located above the discharge nozzle 4;

The screens 9 in the screening bin 8 are respectively a first screen 9-1 and a second screen 9-2 from top to bottom, and the inclination of the first screen 9-1 and the second screen 9-2 is set to 30°-60°, the first screen 9-1 and the second screen 9-2 are arranged in parallel and the mesh of the first screen 9-1 is larger than the mesh of the second screen 9-2; the bottom of the inclined plate 13 It is fixed in the box body 1 by the fixing plate 15, and the inclined plate 13 is adjacent to the discharge nozzle 4;

Please refer to Figures 1 and 2. The material separator structure 5 includes a separator 5-1, a rotating shaft 5-2, a telescopic rod 5-4 and a hydraulic device 5-3. The separator 5-1 is fixed on the inner wall of the box body 1 through a loose leaf. The loose-leaf is interspersed with a rotating shaft 5-2, and the rotating shaft 5-2 is movably connected with the partition plate 5-1. One end of the telescopic rod 5-4 is connected to the hydraulic device 5-3, and the other end is connected to the end face of the partition plate 5-1. By controlling the hydraulic device 5 The up and down movement of -3 drives the up and down movement of the telescopic rod 5-4, so that the partition plate 5-1 rotates around the rotating shaft 5-2, so that the partition plate 5-1 is opened or closed;

3 and 4, the support structure 7 includes a spring 7-1, a work support 7-2 and a fixing seat 7-3. The spring 7-1 is arranged on the top of the work support 7-2 and is connected to the workbench 2. The support structure 7 Driven by the vibration table motor 6, the whole device is shaken, which speeds up the screening speed of carbon black in the device, improves the work efficiency, makes the carbon black fully screen and avoids excessive impurities in the carbon black, and ensures the carbon black. the normal use; the fixing base 7-3 is fixed on the ground, the fixing base 7-3 is provided with four notches 20, the notches 20 correspond to the positions of the working brackets 7-2 and their sizes are matched, and the four working brackets 7-2 They are respectively arranged in the slots 20 to ensure the stability of the entire device during the vibration of the vibration table motor 6 and prevent the device from tipping over.

Working principle: When using the conductive carbon black powder screening device, firstly, the staff fills the device with the conductive carbon black powder to be screened through the feeding port 3. At this time, the two separators 5-1 are in a closed state, and the material is stored. The bin and the screening bin 8 are not connected, and the conductive carbon black powder is all stored in the storage bin; then the piston rod of the hydraulic device 5-3 is controlled to retract, and the piston rod drives the telescopic rod 5-4 to move downward. Under the action of 4, the partition 5-1 rotates around the rotating shaft 5-2, so that the two partitions 5-1 are opened. At this time, the storage bin and the screening bin 8 are connected, and the carbon black in the storage bin falls into the In the first screening structure, the carbon black with a specific particle size screened by the first screen 9-1 falls into the collecting box 12 along the first screen 9-1, and the carbon black that does not meet the particle size of the first screen 9-1 The black falls to the second screen 9-2, and the carbon black with a specific particle size screened by the second screen 9-2 falls into the collecting box 14 along the second screen 9-2; finally, it does not meet the second screen. The carbon black with the particle size of mesh 9-2 is finally screened by the discharge screen 14, and then falls into the aggregate barrel 19 through the discharge nozzle 4, thereby completing three screenings, and screening out conductive carbons with different particle sizes that meet different production requirements. black material.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a conductive carbon black powder sieving mechanism which characterized in that: including box (1) and workstation (2), workstation (2) are fixed in box (1) below, box (1) top is equipped with feed inlet (3), and box (1) bottom is provided with ejection of compact mouth of pipe (4), and ejection of compact mouth of pipe (4) run through workstation (2) and ejection of compact mouth of pipe (4) below correspondence and are provided with storage bucket (19), but be equipped with in box (1) and open closed material separating structure (5), divide into storage silo and screening storehouse (8) from last to down in proper order with the incasement at material separating structure (5), workstation (2) bottom is equipped with vibrations workstation motor (6) and can makes bearing structure (7) that workstation (2) rocked, wherein:

the screening bin (8) is internally provided with a screening structure which sequentially comprises a first screening structure, a second screening structure and a third screening structure from top to bottom, wherein the first screening structure, the second screening structure is composed of a screen window type screen (9) and a vibrating motor (10), the screen (9) obliquely stretches across the inner wall of the box body (1), a screen taking opening (18) is formed in the position, corresponding to the high position of the screen (9), of the box body (1), the screen (9) can be taken out from the screen taking opening (18), an opening (11) is formed above the position, corresponding to the low position of the screen (9), of the box body (1) and in the vicinity of the position, a material collecting box (12) is arranged at the position of the opening (11), the vibrating motor (10) is fixed on the inner wall of the box body (1) below the screen (9), the vibrating surface of the vibrating motor (10) contacts the screen (9), and the vibrating motor (10) plays a supporting role in supporting the screen (9);

the third screening structure comprises an inclined plate (13) and a discharge screen (14), the left end of the inclined plate (13) is fixed on the inner wall of the box body (1), the right end of the inclined plate is connected with the discharge screen (14), and the discharge screen (14) is positioned above the discharge pipe opening (4).

2. The conductive carbon black powder screening apparatus according to claim 1, wherein: the material separation structure (5) comprises a partition plate (5-1), a rotating shaft (5-2), a telescopic rod (5-4) and a hydraulic device (5-3), the partition plate (5-1) is fixed on the inner wall of the box body (1) through hinges, the hinges are inserted with the rotating shaft (5-2), the rotating shaft (5-2) is movably connected with the partition plate (5-1), one end of the telescopic rod (5-4) is connected with the hydraulic device (5-3), the other end of the telescopic rod is connected with the end face of the partition plate (5-1), and the up-down movement of the telescopic rod (5-4) is driven by controlling the up-down movement of the hydraulic device (5-3), so that the partition plate (5-1) rotates around the rotating shaft (5-2), and the partition plate (5-1) is.

3. The conductive carbon black powder screening apparatus according to claim 1, wherein: the screen (9) in the screening bin (8) is respectively a first screen (9-1) and a second screen (9-2) from top to bottom, the inclination degrees of the first screen (9-1) and the second screen (9-2) are set to be 30-60 degrees, the first screen (9-1) and the second screen (9-2) are arranged in parallel, and the meshes of the first screen (9-1) are larger than those of the second screen (9-2).

4. The conductive carbon black powder screening apparatus according to claim 1, wherein: the bottom of the sloping plate (13) is fixed in the box body (1) through a fixing plate (15), and the sloping plate (13) is close to the discharge pipe opening (4).

5. The conductive carbon black powder screening apparatus according to claim 1, wherein: the supporting structure (7) comprises a spring (7-1), a working support (7-2) and a fixing seat (7-3), the spring (7-1) is arranged at the top of the working support (7-2) and connected with the workbench (2), the fixing seat (7-3) is fixed on the ground, a notch (20) is formed in the fixing seat (7-3), the working support (7-2) is arranged in the notch (20), and the notch (20) corresponds to the working support (7-2) in position and is matched with the working support in size.

6. The conductive carbon black powder screening apparatus according to claim 2, wherein: the hydraulic device (5-3) and the material collecting box (12) are arranged on a connecting frame (16) connected with the box body (1).

7. The conductive carbon black powder screening apparatus according to claim 1, wherein: and a box cover (17) is arranged at the feed inlet (3).

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