Chemical material screening device

Abstract

The utility model discloses a chemical material screening device, which belongs to the technical field of chemical material screening and comprises a screening box for screening chemical materials and a screening frame movably connected in the screening box, a feed hopper is fixed at the top of the screening box, and two sealing plates for sealing the feed hopper are rotatably connected in the screening box. Two positioning blocks are fixed to the inner walls of the two sides of the screening box correspondingly, a positioning column is fixed between the two positioning blocks, sliding blocks are arranged outside the positioning column in a sliding mode, limiting grooves are formed in the opposite faces of the two sliding blocks correspondingly, and limiting rods fixedly connected with the screening frame are movably connected into the limiting grooves of the sliding blocks; a moving groove is formed in the screening frame, and an adjusting plate is slidably connected into the moving groove of the screening frame. According to the chemical material screening device, chemical materials of different specifications can be screened according to screening requirements, and the feeding hopper can be automatically sealed.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical material screening, and particularly relates to a chemical material screening device. Background Art

[0002] With the continuous development of the chemical industry, the types of materials used in chemical production are increasing. Among them, granular materials are the most common type of chemical materials. Most of these materials need to be screened and sorted before chemical processing to improve the quality of chemical products. Therefore, chemical material screening devices are needed. Most existing screening devices can only screen chemical materials of a specific size and cannot automatically adjust the size of the screen mesh according to the screening requirements of different materials, making them inflexible.

[0003] Refer to China's authorized patent: A chemical material screening device, authorization announcement number: CN215430069U. This utility model has a rear shell that can be disassembled and installed to replace the filter in the transport warehouse. After the rear shell is disassembled, the filter can be taken out for cleaning or replacement.

[0004] However, it also has certain defects during use, such as it can only screen chemical materials of a specific size, and cannot automatically adjust the size of the screen mesh according to the screening requirements of different materials, making it not flexible enough to use. Utility Model Content

[0005] The purpose of the present utility model is to provide a chemical material screening device to solve the problem proposed in the above background technology that it can only screen chemical materials of a specific size, cannot automatically adjust the size of the screen mesh according to the screening requirements of different materials, and is not flexible in use.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a chemical material screening device, comprising a screening box for screening chemical materials and a screening frame movably connected to the screening box, a feed hopper being fixed to the top of the screening box, and two sealing plates for sealing the feed hopper being rotatably connected to the screening box;

[0007] Two positioning blocks are fixed on the inner walls of both sides of the screening box, a positioning column is fixed between the two positioning blocks, a sliding block is slid on the outside of the positioning column, and limiting grooves are provided on the opposite surfaces of the two sliding blocks, and a limiting rod fixedly connected to the screening frame is movably connected in the limiting groove of the sliding block, a moving groove is provided in the screening frame, and an adjustment plate is slidably connected in the moving groove of the screening frame.

[0008] In a further embodiment, an electric telescopic rod is installed at the bottom of the screening frame, and a connecting block fixedly connected to the adjustment plate is fixed to the output end of the electric telescopic rod.

[0009] In a further embodiment, a stepper motor is installed on one outer wall of the screening box, a rotating shaft is fixed to the output end of the stepper motor, and two support rods for supporting the sealing plate are installed on the outer wall of the rotating shaft.

[0010] In a further embodiment, a rotating motor fixedly connected to the screening box is provided below the stepping motor, and a rotating shaft is fixed to an output end of the rotating motor.

[0011] In a further embodiment, two push rods for pushing the sliding block are fixed to the outer wall of the rotating shaft, and support springs are provided on the upper and lower sides of the sliding block.

[0012] In a further embodiment, a collecting frame for collecting chemical materials is placed on the bottom wall of the inner cavity of the screening box, and a sealing door is installed on the screening box.

[0013] In a further embodiment, a plurality of discharge holes are provided at corresponding positions of the bottom plate of the screening frame and the adjustment plate.

[0014] Technical effects and advantages of this utility model:

[0015] The chemical material screening device uses an electric telescopic rod to drive the adjustment plate to move. According to the screening requirements of different chemical materials, the adjustment plate and the discharge holes on the screening frame are misaligned, so that the screening frame can screen chemical materials of different sizes, making it more flexible to use.

[0016] The sealing plate is supported by the support rod, and the feed hopper is sealed by the sealing plate when screening chemical materials to avoid dust leakage during the screening process and pollution of the working environment. The chemical material screening device can not only screen chemical materials of different specifications according to screening requirements, but also automatically seal the feed hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 For the utility model Figure 2Enlarged view of point A in the middle;

[0021] Figure 4 For the utility model Figure 2 Enlarged view of point B in the middle.

[0022] In the figure: 1. Screening box; 2. Feed hopper; 3. Sealing plate; 4. Stepper motor; 5. Rotating shaft; 6. Support rod; 7. Positioning block; 8. Positioning column; 9. Sliding block; 10. Support spring; 11. Limiting rod; 12. Screening frame; 13. Adjusting plate; 14. Electric telescopic rod; 15. Connecting block; 16. Rotating motor; 17. Rotating shaft; 18. Push rod; 19. Collecting frame. DETAILED DESCRIPTION

[0023] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0025] The connection method can be bonding, welding, bolt connection, etc., which shall be based on actual needs.

[0026] In order to seal the feed hopper 2 when screening chemical materials to avoid dust leakage during the screening process, Figure 1 and Figure 2 As shown, a feed port is provided at the top of the screening frame 12 for screening chemical materials, a feed hopper 2 is welded in the feed port of the screening box 1, and two sealing plates 3 for sealing the feed hopper 2 are connected to the screening box 1 through a rotating shaft, a stepper motor 4 is installed on the left outer wall of the screening box 1 through bolts, and a rotating shaft 5 is fixed to the output end of the stepper motor 4 through a coupling, and two support rods 6 for supporting the sealing plates 3 are installed on the outer wall of the rotating shaft 5 through bolts, and a sealing door is installed on the screening box 1. When screening chemical materials, the stepper motor 4 drives the rotating shaft 5 and the support rod 6 to rotate, so that the support rod 6 supports the sealing plate 3, and the two sealing plates 3 fit together. At the same time, the sealing plate 3 is tightly attached to the bottom of the feed hopper 2, and the feed hopper 2 is sealed, thereby preventing dust from leaking out when screening chemical materials.

[0027] In order to make the screening frame 12 able to screen chemical materials of different sizes and to make it more flexible to use, such as Figures 1 to 4As shown, two positioning blocks 7 are welded to the inner walls of both sides of the screening box 1, and a positioning column 8 is fixed between the two positioning blocks 7 by bolts. A sliding block 9 is slid on the outside of the positioning column 8, and a support spring 10 is provided on the upper and lower sides of the sliding block 9. The support spring 10 is sleeved on the outside of the positioning column 8. The opposite surfaces of the two sliding blocks 9 are provided with a limiting groove, and the limiting groove of the sliding block 9 is movably connected to the limiting rod 11. The two limiting rods 11 support a screening frame 12 for screening chemical materials fixed by bolts. A moving groove is provided in the screening frame 12, and an adjustment plate 13 is slidably connected to the moving groove of the screening frame 12. The bottom of the screening frame 12 The corresponding positions of the plate and the adjustment plate 13 are provided with a plurality of discharge holes. The bottom of the screening frame 12 is fixed with an electric telescopic rod 14 by bolts, and the output end of the electric telescopic rod 14 is fixed with a connecting block 15 fixedly connected to the adjustment plate 13. The bottom of the screening frame 12 is provided with a guide groove for the movement of the connecting block 15. The electric telescopic rod 14 drives the adjustment plate 13 to move through the connecting block 15. According to the screening requirements of different chemical materials, the adjustment plate 13 and the discharge holes on the screening frame 12 are misaligned, and the size of the overlap between the discharge holes on the screening frame 12 and the adjustment plate 13 is adjusted so that the screening frame 12 can screen chemical materials of different sizes.

[0028] A rotating motor 16 fixedly connected to the screening box 1 is provided below the stepper motor 4. A rotating shaft 17 is fixed to the output end of the rotating motor 16 through a coupling. Two push rods 18 for pushing the sliding block 9 are fixed to the outer wall of the rotating shaft 17 by bolts. The rotating motor 16 drives the rotating shaft 17 and the push rod 18 to rotate, thereby pushing the sliding block 9 and the screening frame 12 to move, and cooperates with the support spring 10 to make the screening frame 12 vibrate, so as to screen the chemical materials in the screening frame 12. A collecting frame 19 for collecting chemical materials is placed on the bottom wall of the inner cavity of the screening box 1.

[0029] The control method of the present invention is to control through a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the control method and circuit connection are no longer explained in detail in the present invention.

[0030] In the description of the present invention, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0031] Working principle:

[0032] When the chemical material screening device is in use, the electric telescopic rod 14 is activated, and the electric telescopic rod 14 drives the adjustment plate 13 to move through the connecting block 15. According to the screening requirements of different chemical materials, the adjustment plate 13 is misaligned with the discharge holes on the screening frame 12, and the overlap size of the discharge holes on the screening frame 12 and the adjustment plate 13 is adjusted;

[0033] Start the stepper motor 4 to drive the rotating shaft 5 and the support rod 6 to rotate, release the support of the support rod 6 on the sealing plate 3, and separate the two sealing plates 3 from each other. Then, put the chemical material into the screening box 1 through the feed hopper 2. Under the action of gravity, the chemical material automatically falls into the screening frame 12. Then start the stepper motor 4 to reset the support rod 6. The support rod 6 supports the sealing plate 3, and the two sealing plates 3 fit together. At the same time, the sealing plate 3 is tightly attached to the bottom of the feed hopper 2, and the feed hopper 2 is sealed.

[0034] Start the rotating motor 16 to drive the rotating shaft 17 and the pushing rod 18 to rotate, thereby pushing the sliding block 9 and the screening frame 12 to move, and cooperate with the supporting spring 10 to make the screening frame 12 vibrate, so as to screen the chemical materials in the screening frame 12, and the screened chemical materials fall into the collecting frame 19 for collection.

[0035] 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, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical material screening device, comprising a screening box (1) for screening chemical materials and a screening frame (12) movably connected to the screening box (1), characterized in that: A feed hopper (2) is fixed on the top of the screening box (1), and two sealing plates (3) for sealing the feed hopper (2) are rotatably connected inside the screening box (1); Two positioning blocks (7) are fixed to the inner walls of both sides of the screening box (1), a positioning column (8) is fixed between the two positioning blocks (7), a sliding block (9) is slidably provided on the outside of the positioning column (8), and limiting grooves are provided on the opposite surfaces of the two sliding blocks (9), and a limiting rod (11) fixedly connected to the screening frame (12) is movably connected in the limiting groove of the sliding block (9), and a movable groove is provided in the screening frame (12), and an adjustment plate (13) is slidably connected in the movable groove of the screening frame (12).

2. A chemical material screening device according to claim 1, characterized in that: An electric telescopic rod (14) is installed at the bottom of the screening frame (12), and a connecting block (15) fixedly connected to the adjustment plate (13) is fixed to the output end of the electric telescopic rod (14).

3. A chemical material screening device according to claim 1, characterized in that: A stepper motor (4) is installed on one side outer wall of the screening box (1), a rotating shaft (5) is fixed to the output end of the stepper motor (4), and two support rods (6) for supporting the sealing plate (3) are installed on the outer wall of the rotating shaft (5).

4. A chemical material screening device according to claim 3, characterized in that: A rotating motor (16) fixedly connected to the screening box (1) is provided below the stepping motor (4), and a rotating shaft (17) is fixed to the output end of the rotating motor (16).

5. A chemical material screening device according to claim 4, characterized in that: Two push rods (18) for pushing the sliding block (9) are fixed to the outer wall of the rotating shaft (17), and support springs (10) are provided on the upper and lower sides of the sliding block (9).

6. The chemical material screening device according to claim 1, characterized in that: A collecting frame (19) for collecting chemical materials is placed on the bottom wall of the inner cavity of the screening box (1), and a sealing door is installed on the screening box (1).

7. The chemical material screening device according to claim 1, characterized in that: A plurality of discharge holes are provided at corresponding positions of the bottom plate of the screening frame (12) and the adjustment plate (13).

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