Raw material screening device applied to chemical production

Through the automated design of the screening frame, cam plate and pulley combination structure, the problems of low filtration efficiency and clogging of chemical raw materials are solved, efficient screening and automatic cleaning are achieved, and the stability and efficiency of equipment operation are improved.

CN223440406UActive Publication Date: 2025-10-17MEIKETE (GUANGDONG) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422845331.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-17
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing chemical raw material screening devices have low filtration efficiency and are prone to clogging of the sieve holes, resulting in abnormal equipment operation and requiring frequent manual cleaning, which affects screening efficiency and processing progress.

Method used

The screening frame is combined with upper and lower cam plates and pulleys. The upper cam plate is driven by a synchronous motor to drive the soft-head push rod to achieve the reciprocating motion of the screening frame, and the lower cam plate drives the brush plate to clean the bottom of the screening frame to avoid blockage.

Benefits of technology

It realizes efficient screening and automatic cleaning of chemical raw materials, reduces manual intervention, and improves the stability of equipment operation and screening efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of screening devices, in particular to a raw material screening device applied to chemical production, which comprises a screening box, a screening frame is slidably mounted in the screening box, a reset spring is arranged on one side of the screening frame, a soft head push rod is slidably arranged on the other side of the screening frame, and one end of the soft head push rod is slidably connected with an upper cam plate. A brush plate is arranged at the bottom of the screening frame, one end of the brush plate is fixedly connected with one side of a reciprocating plate, the other side of the reciprocating plate is rotationally sleeved with a pulley, one side of the pulley is slidably connected with the lower cam plate, and the reciprocating plate is slidably installed in a limiting plate. The upper cam plate rotates to drive the soft head push rod to reciprocate, so that the screening frame reciprocates under the cooperation of the reset spring, materials are screened, the lower cam plate rotates to indirectly drive the reciprocating plate to reciprocate, the reciprocating plate drives the brush plate to clean screening holes, and the screening holes are prevented from being blocked.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening device, concretely to a raw material screening device for chemical production. BACKGROUND

[0002] Chemical industry is popular in all aspects of human life, in modern life, almost anytime anywhere cannot leave chemical products, from clothing, food, shelter, travel and other material life to culture, art, entertainment and other spiritual life, all need chemical products to serve, the granular product obtained in the chemical production process is distinguished according to the size of its particle size, usually needs to be screened by screening device.

[0003] In the prior art, the current chemical raw material screening device generally has the problems of low filtering efficiency and easy plugging of screen holes, therefore, manual cleaning is needed to ensure the normal use of the equipment, and the normal operation of the equipment is affected during the cleaning process, thus the screening efficiency and processing progress are reduced, therefore, the utility model provides a raw material screening device for chemical production to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a raw material screening device for chemical production to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a raw material screening device for chemical production, comprising: a screening box, a screening frame is slidably installed in the screening box, a return spring is arranged on one side of the screening frame, a soft head push rod is slidably arranged on the other side of the screening frame, one end of the soft head push rod is slidably connected with an upper cam plate, and the upper cam plate is rotatably installed on a U-shaped frame.

[0006] A brush plate is arranged at the bottom of the screening frame, one end of the brush plate is fixedly connected with one side of a reciprocating plate, the other side of the reciprocating plate is rotatably sleeved with a pulley, one side of the pulley is slidably connected with a lower cam plate, and the reciprocating plate is slidably installed in a limiting plate.

[0007] Preferably, a feeding pipe is fixedly sleeved at the top of the screening box, a side wall of the screening box is welded and fixed with the U-shaped frame, a synchronous motor is fixedly installed on the lower surface of the U-shaped frame, and the synchronous motor is linearly arranged on one side of the screening box.

[0008] Preferably, a connecting shaft is fixedly sleeved in the upper cam plate, the connecting shaft is rotatably sleeved in the U-shaped frame, the bottom of the connecting shaft is fixedly connected with the output end of the synchronous motor, and a sliding groove is formed in the outer ring surface of the upper cam plate.

[0009] Preferably, the chute is slidably connected with one end of the soft head push rod, the other end of the soft head push rod is slidably sleeved in the limiting block, the limiting block is fixedly installed on the U-shaped frame, the soft head push rod is externally sleeved with the buffer spring, and the buffer spring is provided with the clamping block on one side.

[0010] Preferably, the clamping block is fixedly connected to the inner wall of the screening box, one end of the reset spring is fixedly connected to the screening box, and the clamping groove is slidably connected between the clamping block and the side wall of the screening frame.

[0011] Preferably, the clamping block is fixedly connected to the inner wall of the screening box, one end of the reset spring is fixedly connected to the screening box, and the clamping groove is slidably connected between the clamping block and the side wall of the screening frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The soft head push rod is driven to move through the track of the upper cam plate, and the soft head push rod can reciprocate under the cooperation of the buffer spring, so that when the soft head end of the soft head push rod pushes the screening frame, the reset spring is compressed under stress during the movement of the screening frame, and when the soft head push rod is reset, the reset spring releases the pushing force to reset the screening frame, so that the screening frame is repeatedly pushed, and the chemical raw materials in the screening frame are rolled during the movement of the screening frame, so that the screening of the chemical raw materials is completed.

[0014] 2. The lower cam plate is rotated, so that the protruding end of the lower cam plate is slidably connected between the two sides of the pulley, so that the pulley is pushed and the reciprocating plate is transversely reciprocated, and the reciprocating plate drives the brush plate to reciprocate on the bottom of the screening frame under the limitation of the limiting plate, so that the brush head on the brush plate cleans the bottom of the screening frame, thereby avoiding the blocking of the screening holes arranged on the bottom of the screening frame. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model from the side;

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall structure of the utility model from the top;

[0019] Figure 5 It is a schematic diagram of the overall structure of the utility model from the side.

[0020] Fig. 1, screening box; 2, screening frame; 3, soft head push rod; 4, upper cam plate; 5, U-shaped frame; 6, brush plate; 7, reciprocating plate; 8, pulley; 9, lower cam plate; 10, return spring; 11, limiting plate; 12, feeding pipe; 13, synchronous motor; 14, connecting shaft; 15, chute; 16, limiting block; 17, buffer spring; 18, clamping block; 19, clamping groove; 20, discharge box; 21, driving motor; 22, limiting rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model to be clear, complete description, and the advantage is more clear and obvious, the following will combine the figure to carry out further detailed explanation to the utility model embodiment. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the protection of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] For the purposes of simplicity and illustration, the principles of the embodiments are primarily described by way of reference example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. It will be apparent, however, to one ordinarily skilled in the art that the embodiments can be practiced without the specific details and that numerous implementation choices may be made. In some instances, well-known methods and structures have not been described in detail in order to avoid unnecessarily obscuring the embodiments. Also, all embodiments can be used in combination with each other.

[0025] Embodiment One: Please refer to Figures 1 to 5 The utility model provides a technical scheme: a raw material screening device for chemical production, it includes: screening box 1, the screening frame 2 is installed in screening box 1 and slides, the one side of screening frame 2 is provided with reset spring 10, the other side of screening frame 2 is provided with soft head push rod 3 and slides, the one end of soft head push rod 3 is connected with upper cam plate 4 and slides, upper cam plate 4 is rotatably installed on U -shaped support 5, the bottom of screening frame 2 is provided with brush plate 6, the one end of brush plate 6 is fixedly connected with one side of reciprocating plate 7, the other side of reciprocating plate 7 is rotatably sleeved with pulley 8, one side of pulley 8 is connected with lower cam plate 9 and slides, reciprocating plate 7 is rotatably installed in limiting plate 11.

[0026] When the need for screening of chemical raw materials, through the rotation of upper cam plate 4, so that it slides between the one end of soft head push rod 3, through the track of upper cam plate 4 drive soft head push rod 3 movement, so that the soft head end of soft head push rod 3 moves to screening box 1, push screening frame 2 to move horizontally in screening box 1, reset spring 10 is compressed under force in the moving process of screening frame 2, because the track of upper cam plate 4 is constrained and cooperates with buffer spring 17 that is sleeved on soft head push rod 3, so that when the tip of upper cam plate 4 pushes soft head push rod 3 to the limit position, buffer spring 17 reversely pushes soft head push rod 3 to move, at this time, reset spring 10 releases the pushing force to make screening frame 2 reset, in the reset process of screening frame 2, the round end of upper cam plate 4 slides between the one end of soft head push rod 3, so as to not make soft head push rod 3 move, until the tip of upper cam plate 4 pushes soft head push rod 3 to move again, so reciprocating realizes repeatedly pushing screening frame 2, so that the chemical raw materials in it roll in the moving process of screening frame 2, so the screening of chemical raw materials is completed, while screening the raw materials, through the rotation of lower cam plate 9, so that the convex end of lower cam plate 9 slides between the pulleys 8 on both sides of it in turn, so as to push pulley 8 and drive reciprocating plate 7 to move reciprocatingly horizontally, reciprocating plate 7 drives brush plate 6 to move reciprocatingly at the bottom of screening frame 2 under the limiting of limiting plate 11, so the brush head on brush plate 6 cleans the bottom of screening frame 2, thereby avoiding the chemical raw materials from blocking the screening holes arranged at the bottom of screening frame 2.

[0027] The embodiment two is based on the embodiment one, the fixed sleeve is provided with the feeding pipe 12 on the top of the screening box 1, one side wall of the screening box 1 is welded and fixed with the U-shaped frame 5, the synchronous motor 13 is fixedly installed on the lower surface of the U-shaped frame 5, the synchronous motor 13 is linearly arranged about one side of the screening box 1, the feeding pipe 12 installed on the top of the screening box 1 facilitates the addition of the material, the side wall of the screening box 1 is welded and fixed with the U-shaped frame 5, the upper cam plate 4 and the synchronous motor 13 are stably supported through the U-shaped frame 5, the synchronous motor 13 is provided with three and is linearly arranged about one side of the screening box 1, the synchronous motor 13 is provided, so that the three synchronous motors 13 are synchronously operated, the connecting shaft 14 is fixedly sleeved in the upper cam plate 4, the connecting shaft 14 is rotatably sleeved in the U-shaped frame 5, the bottom of the connecting shaft 14 is fixedly connected with the output end of the synchronous motor 13, the sliding groove 15 is formed in the outer circle surface of the upper cam plate 4, the connecting shaft 14 is limited through the U-shaped frame 5, one end of the connecting shaft 14 is fixedly sleeved with the upper cam plate 4, the other end of the connecting shaft 14 is fixedly connected with the output end of the synchronous motor 13, one end of the soft push rod 3 is slidably connected with the sliding groove 15, the other end of the soft push rod 3 is slidably sleeved in the limiting block 16, the limiting block 16 is fixedly installed on the U-shaped frame 5, the buffer spring 17 is sleeved outside the soft push rod 3, the clamping block 18 is arranged on one side of the buffer spring 17, the sliding groove 15 formed in the surface of the upper cam plate 4 limits one end of the soft push rod 3, so as to facilitate the stable sliding therebetween, the buffer spring 17 is arranged between the limiting block 16 and the limiting ring fixedly sleeved on the soft push rod 3, through the arrangement of the buffer spring 17, on the one hand, the soft push rod 3 is reset, on the other hand, the soft push rod 3 avoids damaging the screening frame 2, the clamping block 18 is fixedly connected in the inner wall of the screening box 1, one end of the reset spring 10 is fixedly connected with the screening box 1, the clamping groove 19 is formed in the side wall of the screening frame 2, the clamping groove 19 is slidably connected with the clamping block 18, the screening frame 2 is slidably connected with the clamping block 18 through the sliding groove 15 formed therein, the clamping groove 19 and the clamping block 18 are longitudinally linearly arranged, so as to ensure the stability of the movement of the screening frame 2.

[0028] The synchronous motor 13 is electrically connected with an external terminal control device. When the chemical raw materials need to be screened, the synchronous motor 13 is started, the three synchronous motors 13 rotate at the same frequency, so that the upper cam plate 4 is driven to rotate under the connection of the connecting shaft 14, the pointed top end and the round end of the upper cam plate 4 are sequentially connected with the flat end of the soft push rod 3, when the pointed top end of the upper cam plate 4 gradually approaches the flat end of the soft push rod 3, the soft push rod 3 is pushed to move into the screening box 1 under the limiting of the limiting block 16, so that the soft end of the soft push rod 3 abuts against one side of the screening frame 2, in this process, the buffer spring 17 externally installed on the soft push rod 3 is compressed, the soft push rod 3 pushes the screening frame 2 to move, the screening frame 2 moves to the direction close to the reset spring 10 under the cooperation of the clamping block 18 and the clamping groove 19, so that the reset spring 10 is compressed under stress, and then, the pointed top end of the upper cam plate 4 gradually moves away from the flat end of the soft push rod 3, the round end of the upper cam plate 4 gradually slides with the flat end of the soft push rod 3, in this process, the soft push rod 3 is pushed to move by the buffer spring 17 in the reverse direction, at the same time, the reset spring 10 releases the pushing force to make the screening frame 2 reset, when the round end of the upper cam plate 4 slides with the flat end of the soft push rod 3, the soft push rod 3 is not pushed to move, so that the reciprocating movement of the screening frame 2 is realized, and the internal chemical raw materials are rolled in the moving process of the screening frame 2, so that the screening of the chemical raw materials is completed.

[0029] In the embodiment three, the bottom of the clamping block 18 is provided with a discharging box 20, the discharging box 20 is convenient for collecting the screened materials, the discharging box 20 is sleeved on the bottom of the screening box 1, one side of the limiting plate 11 is fixedly connected with the bottom side wall of the screening box 1, the limiting plate 11 limits the reciprocating plate 7, one side of the limiting plate 11 is provided with a driving motor 21, the driving motor 21 is fixedly installed on one side of the screening box 1, and the output end of the driving motor 21 penetrates through the side wall of the screening box 1 and is fixedly connected with one side of the lower cam plate 9, the driving motor 21 is electrically connected with an external terminal control device, the pulley 8 is slidably sleeved on the limiting rod 22, one end of the limiting rod 22 is fixedly sleeved in the reciprocating plate 7.

[0030] In the moving process of the screening frame 2, the driving motor 21 is started to rotate, so that the driving motor 21 drives the lower cam plate 9 to rotate, in the rotating process of the lower cam plate 9, the pulley 8 symmetrically installed on one side of the reciprocating plate 7 slides, so that when the convex end of the reciprocating plate 7 slides with one of the pulleys 8, the arc end of the reciprocating plate 7 slides with the other pulley 8, and then the pulley 8 is pushed to move through the sliding between the convex end of the reciprocating plate 7 and the pulley 8, the pulley 8 pushes the reciprocating plate 7 to move through the connection of the limiting rod 22, so that the reciprocating plate 7 reciprocates under the limitation of the limiting plate 11, and at the same time, the brush head on the brush plate 6 drives the bottom of the screening frame 2 to be cleaned in the moving process of the reciprocating plate 7, so as to avoid the chemical raw materials from blocking the screening holes arranged on the bottom of the screening frame 2.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for chemical production, comprising a screening box (1), characterized in that: A screening frame (2) is slidably mounted in the screening box (1), a return spring (10) is provided on one side of the screening frame (2), and a soft-head push rod (3) is slidably mounted on the other side of the screening frame (2), one end of the soft-head push rod (3) is slidably connected to an upper cam plate (4), and the upper cam plate (4) is rotatably mounted on a U-shaped frame (5); A brush plate (6) is provided at the bottom of the screening frame (2), one end of the brush plate (6) is fixedly connected to one side of the reciprocating plate (7), the other side of the reciprocating plate (7) is rotatably sleeved with a pulley (8), one side of the pulley (8) is slidably connected to the lower cam plate (9), and the reciprocating plate (7) is slidably installed in the limit plate (11).

2. A raw material screening device for chemical production according to claim 1, characterized in that: A feed pipe (12) is fixedly sleeved on the top of the screening box (1), a side wall of the screening box (1) is welded and fixed to the U-shaped frame (5), a synchronous motor (13) is fixedly mounted on the lower surface of the U-shaped frame (5), and the synchronous motor (13) is arranged in a linear array on one side of the screening box (1).

3. The raw material screening device for chemical production according to claim 2, characterized in that: A connecting shaft (14) is fixedly sleeved in the upper cam plate (4), and the connecting shaft (14) is rotatably sleeved in the U-shaped frame (5). The bottom of the connecting shaft (14) is fixedly connected to the output end of the synchronous motor (13), and a sliding groove (15) is provided on the outer ring surface of the upper cam plate (4).

4. The raw material screening device for chemical production according to claim 3, characterized in that: The slide groove (15) is slidably connected to one end of the soft-head push rod (3), and the other end of the soft-head push rod (3) is slidably sleeved in a limit block (16). The limit block (16) is fixedly mounted on the U-shaped frame (5). A buffer spring (17) is sleeved on the outside of the soft-head push rod (3), and a clamping block (18) is provided on one side of the buffer spring (17).

5. The raw material screening device used in chemical production according to claim 4, characterized in that: The clamping block (18) is fixedly connected to the inner wall of the screening box (1), one end of the return spring (10) is fixedly connected to the inner wall of the screening box (1), and a clamping groove (19) is provided on the side wall of the screening frame (2), and the clamping groove (19) is slidably connected to the clamping block (18).

6. The raw material screening device used in chemical production according to claim 5, characterized in that: A discharge box (20) is provided at the bottom of the block (18), and the discharge box (20) is sleeved on the bottom of the screening box (1). One side of the limit plate (11) is fixedly connected to the side wall of the bottom of the screening box (1). A drive motor (21) is provided on one side of the limit plate (11), and the drive motor (21) is fixedly installed on one side of the screening box (1). The output end of the drive motor (21) passes through the side wall of the screening box (1) and is fixedly connected to one side of the lower cam plate (9). The pulley (8) is slidably sleeved on the limit rod (22), and one end of the limit rod (22) is fixedly sleeved in the reciprocating plate (7).