Screening box

Abstract

The utility model discloses a screening box which comprises a box body, supporting legs are arranged at the four corners of the lower portion of the box body, a discharging pipe is arranged at the bottom of the box body, and a feeding hopper is arranged at the top of the box body. A platform is arranged in the box body and below the feeding hopper, a telescopic device is arranged on the platform, the right side of the coarse screening plate is movably connected with the front wall and the rear wall of the box body, the left side of the coarse screening plate is in lap joint with a telescopic part of the telescopic device, and the coarse screening plate is driven by the telescopic device to do reciprocating overturning motion around the right side of the coarse screening plate. A sliding plate is arranged on the lower portion of the right side of the coarse screening plate, a driving roller tangent to the upper surface of the sliding plate is arranged above the sliding plate, and bristles are arranged on the lower right side of the driving roller. A fine screen plate is arranged below the sliding plate, the length of the fine screen plate is larger than the sum of the lengths of orthographic projections of the coarse screen plate and the sliding plate, and a vibrator is installed at the bottom of the fine screen plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sodium carboxymethyl cellulose technical field, especially to a screening box. BACKGROUND

[0002] Sodium carboxymethyl cellulose is an organic matter, chemical formula is [C6H7O2 (OH) 2OCH2COONa] n, is the carboxymethylation derivative of cellulose, is the most main ionic cellulose glue.Sodium carboxymethyl cellulose is usually by natural cellulose and caustic soda and monochloro acetic acid reaction and is prepared an anionic high molecular compound, molecular weight is from several thousand to million, CMC-Na is white fibrous or granular powder, has no odor, no taste, has hygroscopicity, is easy to disperse in water and forms transparent colloid solution.

[0003] The existing sodium carboxymethyl cellulose needs to be screened during production, such as the screening device for sodium carboxymethyl cellulose production in the application No. CN202123424924.9, but its structure is relatively complex, and the crushing capacity of the larger particles is general. SUMMARY

[0004] In order to make the structure of sodium carboxymethyl cellulose screening device more simple, and the crushing efficiency is higher, the utility model provides a screening box, its structure includes: box, the lower part of box four corners is equipped with support, the bottom of box is equipped with discharge pipe, and the top is equipped with feeding hopper;The inside of box is equipped with platform below feeding hopper, and the platform is equipped with telescopic device, and the right side of coarse sieve plate is movably connected with the front and rear walls of box, and the left side of coarse sieve plate is overlapped on the telescopic part of telescopic device, and the coarse sieve plate is driven to make reciprocating overturning movement around the right side of coarse sieve plate by telescopic device;The lower side of the right side of coarse sieve plate is equipped with sliding plate, and the upper side of sliding plate is equipped with driving roller tangential to the upper surface of sliding plate, and the lower right side of driving roller is equipped with brush hair;The lower side of sliding plate is equipped with fine sieve plate, and the length of fine sieve plate is greater than the length sum of the right projection of coarse sieve plate and sliding plate, and the bottom of fine sieve plate is equipped with vibrator.

[0005] Preferably, the bottom of the box is surrounded by four trapezoidal plates, and the bottom of the trapezoidal plate is fixed with a discharge pipe.

[0006] Preferably, the front side of the box is equipped with a driving motor, and the shaft end of the driving motor drives the rotation of the driving roller, and the end of the driving roller away from the driving motor is movably connected with the inner wall of the box.

[0007] Preferably, the platform is also equipped with two reset springs, and the upper end of the reset spring is fixed with the bottom of the coarse sieve plate.

[0008] Preferably, the surface of the driving roller has a roller sleeve made of rubber or silicone with a thickness of 1cm-2cm, and the outer surface of the roller sleeve has orange peel lines or a frosted surface.

[0009] Preferably, the coarse sieve plate, the fine sieve plate and the slide plate are all arranged obliquely, and the left ends of the three are higher than the right ends.

[0010] In use, the device first screens the material through the coarse sieve plate, and part of the material falls into the fine sieve plate, and part of the large-particle material falls into the slide plate along with the overturning and slope of the coarse sieve plate, the driving roller on the slide plate crushes the large-particle material, and the crushed material falls into the fine sieve plate through the bristles at the discharge end, and the fine sieve plate further reduces the material through vibration, and the device has a simple structure and can efficiently screen sodium carboxymethyl cellulose. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0012] Fig. 1 It is a structural schematic diagram of the screening box.

[0013] Fig. 2 It is a front view of the screening box.

[0014] In the figure: 201, box body; 202, supporting leg; 203, discharge pipe; 204, trapezoidal plate; 205, bristle; 206, driving motor; 207, platform; 208, telescopic device; 209, reset spring; 210, feeding hopper; 211, coarse sieve plate; 212, driving roller; 213, slide plate; 214, fine sieve plate. DETAILED DESCRIPTION

[0015] In the present application, each device (parts without specific structure) selected is a general standard part or a part known to those skilled in the art, and its structure and principle can be known by the technical personnel through a technical manual or through a conventional experimental method.

[0016] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0017] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. The apparatus embodiments described above are merely illustrative. For example, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. Furthermore, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Additionally, the shown or discussed mutual couplings, direct couplings, or communication connections may be through some communication interfaces; indirect couplings or communication connections between devices or units may be electrical, mechanical, or other forms.

[0019] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0020] In addition, in the various embodiments of this utility model, each functional unit can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. Example 1

[0021] like Figs. 1-2 As shown, the left, right, top, and bottom positions in this embodiment are described using... Fig. 2Based on the orientation shown in the front view, the screening box of this utility model comprises: a box body 201, with support legs 202 at the four corners of the lower part of the box body 201, a discharge pipe 203 at the bottom of the box body 201, and a feed hopper 210 at the top; inside the box body 201, a platform 207 is provided below the feed hopper 210, and a telescopic device 208 is provided on the platform 207; the right side of the coarse screen plate 211 is movably connected to the front and rear walls of the box body 201, and the left side of the coarse screen plate 211 overlaps the telescopic device 208. On the telescopic part of 08, the telescopic device 208 drives the right side of the coarse screen plate 211 to reciprocate and rotate. A slide plate 213 is provided on the lower right side of the coarse screen plate 211. An active roller 212 tangent to the upper surface of the slide plate 213 is installed above the slide plate 213. Brush bristles 205 are provided on the lower right side of the active roller 212. A fine screen plate 214 is provided below the slide plate 213. The length of the fine screen plate 214 is greater than the sum of the lengths of the orthographic projections of the coarse screen plate 211 and the slide plate 213. A vibrator is installed at the bottom of the fine screen plate 214.

[0022] Preferably, the bottom of the box 201 is formed by four trapezoidal plates 204, and the bottom of the trapezoidal plates 204 is fixed with a discharge pipe 203.

[0023] Preferably, a drive motor 206 is installed on the front side of the housing 201. The shaft end of the drive motor 206 drives the active roller 212 to rotate. The end of the active roller 212 away from the drive motor 206 is movably connected to the inner wall of the housing 201.

[0024] Preferably, the platform 207 is also equipped with two return springs 209, the upper ends of which are fixed to the bottom of the coarse screen plate 211.

[0025] Preferably, the surface of the active roller 212 has a roller sleeve made of rubber or silicone with a thickness of 1cm-2cm, and the outer surface of the roller sleeve has an orange peel texture or a frosted surface.

[0026] Preferably, the coarse screen plate 211, the fine screen plate 214, and the slide plate 213 are all inclined, and the left end of each of them is higher than the right end.

[0027] When using this device, the material is fed into the box through the feed hopper. It first passes through the coarse screen plate, and some of the material falls into the fine screen plate. Some large particles fall into the slide plate as the coarse screen plate flips and slopes. The active roller on the slide plate crushes the large particles and brushes them off the discharge end into the fine screen plate. The fine screen plate further reduces the size of the material through vibration. This utility model has a simple structure and can efficiently screen sodium carboxymethyl cellulose.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screening box, characterized in that: include: The box has four support legs at the bottom corners, a discharge pipe at the bottom, and a feed hopper at the top. Inside the box, a platform is located below the feed hopper, and a telescopic device is installed on the platform. The right side of the coarse screen plate is movably connected to the front and rear walls of the box, and the left side of the coarse screen plate overlaps the telescopic part of the telescopic device, which drives the coarse screen plate to reciprocate around the right side of the coarse screen plate. A slide plate is located on the lower right side of the coarse screen plate, and an active roller tangent to the upper surface of the slide plate is installed above the slide plate. Brush bristles are located on the lower right side of the active roller. A fine screen plate is located below the slide plate, and the length of the fine screen plate is greater than the sum of the lengths of the coarse screen plate and the slide plate. A vibrator is installed at the bottom of the fine screen plate.

2. The screening box according to claim 1, characterized in that: The bottom of the box is formed by four trapezoidal plates, and a discharge pipe is fixed to the bottom of the trapezoidal plates.

3. The screening box according to claim 2, characterized in that: A drive motor is installed on the front side of the housing. The shaft end of the drive motor drives the active roller to rotate. The end of the active roller away from the drive motor is movably connected to the inner wall of the housing.

4. The screening box according to claim 3, characterized in that: The platform is also equipped with two reset springs, the upper ends of which are fixed to the bottom of the coarse screen plate.

5. The screening box according to claim 4, characterized in that: The surface of the drive roller has a roller sleeve made of rubber or silicone with a thickness of 1cm-2cm, and the outer surface of the roller sleeve has an orange peel texture or a frosted surface.

6. The screening box according to claim 5, characterized in that: The coarse screen plate, fine screen plate, and slide plate are all inclined, and the left end of each of them is higher than the right end.

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