Miniature sand screening device

Abstract

The utility model relates to a miniature sand screening device. Comprising a cart bottom plate, an h-shaped vertical frame fixed to the cart bottom plate, vertical plates fixed to the two sides of the cart bottom plate, a material receiving plate rotationally connected to the vertical plates, a material receiving frame arranged on the material receiving plate, a connecting plate rotationally connected to the material receiving frame and a screening frame rotationally connected to the material receiving plate. The output end of the discharging air cylinder is hinged to one end of the material receiving plate, an eccentric wheel is arranged at the output end of the shaking motor, the eccentric wheel is rotationally connected with a rocker, the end, away from the eccentric wheel, of the rocker is hinged to the screening frame, and a screening plate is arranged in the screening frame. The material receiving plate, the connecting plate, the screening frame and the eccentric wheel driven by the shaking motor can work cooperatively, efficient dynamic screening of materials such as sand is achieved, the screening efficiency and the screening precision are improved, and effective separation of the materials with different granularities is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, and particularly relates to a micro sand screening device. Background Art

[0002] With the increasing demand for precise control of material particle size in industrial production and scientific research fields, efficient and accurate screening equipment has become an indispensable part. Traditional screening devices are often bulky, complex to operate, and not easy to move, which to a certain extent limits their application in limited spaces or occasions where flexible operation is required. Especially in some on-site construction environments, laboratory research, or small production lines, the demand for micro, portable, and highly functional screening devices is becoming increasingly prominent. Summary of the Utility Model

[0003] In view of the deficiencies in the background art, the utility model provides a micro sand screening device.

[0004] The technical solution adopted by the utility model is: a micro sand screening device, including a trolley bottom plate, an "h"-shaped vertical frame fixed on the trolley bottom plate, vertical plates fixed on both sides of the trolley bottom plate, a receiving plate rotatably connected to the vertical plates, a receiving frame arranged on the receiving plate, a connecting plate rotatably connected to the receiving frame, a screening frame rotatably connected to the receiving plate, a shaking motor fixed on the trolley bottom plate, and a blanking cylinder fixed on the vertical frame. The output end of the blanking cylinder is hinged to one end of the receiving plate. The output end of the shaking motor is provided with an eccentric wheel. The eccentric wheel is rotatably connected to a rocker. The end of the rocker away from the eccentric wheel is hinged to the screening frame. A screening plate is arranged inside the screening frame. An outlet is arranged on the side of the receiving plate away from the blanking cylinder.

[0005] Further, an outlet valve is arranged on the outlet.

[0006] Further, a plurality of support steps are arranged at intervals inside the screening frame. Positioning rods are arranged on the support steps. Positioning holes adapted to the above positioning rods are arranged on the screening plate.

[0007] Further, the positioning rods and positioning holes are of a conical structure.

[0008] Further, support feet are arranged at the bottom of the trolley bottom plate. Wheels with a self-locking function are arranged on the support feet.

[0009] Further, a trolley handle is arranged on the vertical frame.

[0010] The beneficial effects of the utility model are:

[0011] 1. High screening performance: The material receiving plate, connecting plate, screening frame, and eccentric wheel driven by the shaking motor of this application can work together to achieve efficient dynamic screening of materials such as sand, improving the screening efficiency and accuracy, and ensuring the effective separation of materials with different particle sizes.

[0012] 2. High degree of automation: By setting the feeding cylinder, it can drive the material receiving plate to tilt towards the discharge port, enabling the screened materials to be directly discharged automatically, reducing manual operation, improving the operation continuity and automation level, simplifying the discharge process, and further enhancing the operation efficiency.

[0013] 3. Compact structure and easy to move: This application adopts a trolley structure design, with a simple overall structure, small volume, convenient for the movement of the entire equipment, and having the characteristics of high efficiency, flexibility, and portability, capable of adapting to diverse usage environments.

[0014] In addition to the purposes, features, and advantages described above, the present utility model has other purposes, features, and advantages.

[0015] The following will refer to the accompanying drawings to further elaborate on the present utility model in detail. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model.

[0017] Figure 2 It is an exploded view of the present utility model.

[0018] Figure 1-2 In the figure: 1, trolley bottom plate; 2, "h"-shaped vertical frame; 3, vertical plate; 4, material receiving plate; 5, material receiving frame; 6, connecting plate; 7, screening frame; 8, shaking motor; 9, feeding cylinder; 10, eccentric wheel; 11, rocker; 12, screening plate; 13, discharge port; 14, discharge valve; 15, support step; 16, positioning rod; 17, positioning hole; 18, support foot; 19, trolley handle. Detailed Description of the Embodiment

[0019] The following will combine the accompanying drawings in the embodiments of the present utility model to clearly and completely describe the technical solutions 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 embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, then such directional indications are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0021] The present utility model provides a micro sand screening device.

[0022] In this embodiment, referring to Figure 1-2 , the micro sand screening device includes a trolley bottom plate 1, an "h"-shaped upright frame 2 fixed on the trolley bottom plate 1, upright plates 3 fixed on both sides of the trolley bottom plate, a receiving plate 4 rotatably connected to the upright plates, a receiving frame 5 arranged on the receiving plate, a connecting plate 6 rotatably connected to the receiving frame, a screening frame 7 rotatably connected to the receiving plate, a shaking motor 8 fixed on the trolley bottom plate, and a blanking cylinder 9 fixed on the upright frame. The output end of the blanking cylinder is hinged to one end of the receiving plate. The output end of the shaking motor is provided with an eccentric wheel 10. The eccentric wheel is rotatably connected to a rocker 11. The end of the rocker far from the eccentric wheel is hinged to the screening frame. A screening plate 12 is arranged inside the screening frame. An outlet 13 is arranged on the side of the receiving plate far from the blanking cylinder.

[0023] After adopting the above technical solution, the whole process of automatic screening of materials to automatic discharging is realized, significantly improving the operation efficiency. The trolley structure design makes the overall structure simple, small in size, convenient for the movement of the whole equipment, and has the characteristics of high efficiency, flexibility and portability, and can adapt to diverse usage environments.

[0024] When specifically used, the materials to be screened are poured into the screening frame, and the screening frame is driven by the shaking motor to shake and screen. The screened materials fall into the receiving frame. After screening is completed, the blanking cylinder is used to lift one side of the receiving plate, and discharging is carried out from the outlet.

[0025] Specifically, a discharge valve 14 is arranged on the outlet.

[0026] The additional discharge valve on the outlet realizes precise control of the discharging process. Users can adjust the opening and closing degree of the valve according to actual needs, effectively control the discharging speed and flow rate, avoid material overflow or blockage, and further improve the controllability and accuracy of the screening operation.

[0027] Specifically, a number of support steps 15 are arranged at intervals inside the screening frame. Positioning rods 16 are arranged on the support steps. Positioning holes 17 adapted to the above positioning rods are arranged on the screening plate.

[0028] Support steps and positioning rods are arranged at intervals on the inner side of the screening frame. At the same time, the positioning holes on the screening plate are adapted to the positioning rods. This design ensures the stable installation and accurate positioning of the screening plate, avoids the displacement of the screening plate during the screening process, thereby improving the stability and accuracy of screening and extending the service life of the screening plate. Moreover, different sieve plates can be replaced according to actual screening requirements.

[0029] Specifically, the positioning rod and the positioning hole are of a conical structure.

[0030] The design of the conical positioning rod and positioning hole not only ensures the tight fit between the two, but also facilitates assembly and disassembly, improving the reliability and convenience of positioning. The conical fit reduces the positional deviation during assembly, ensuring that the optimal working state can be quickly restored every time the screening plate is replaced or cleaned.

[0031] Specifically, support feet 18 are provided at the bottom of the trolley bottom plate, and rollers with a self-locking function are provided on the support feet (not shown in the figure, and the rollers are off-the-shelf integrated products).

[0032] The support feet at the bottom of the trolley bottom plate are equipped with rollers with a self-locking function, which not only ensures the stable support of the equipment on uneven ground, but also facilitates easy movement and instant locking of the position on smooth ground, improving the flexibility and safety of the equipment and adapting to more complex working environments.

[0033] Specifically, a trolley handle 19 is provided on the vertical frame.

[0034] The additional trolley handle on the vertical frame greatly facilitates the operation and movement of the user, enabling the equipment to be transferred between different working areas more quickly and easily, improving the overall portability and operation convenience, and is especially suitable for application scenarios that require frequent changes of working locations.

[0035] All technicians should note that although the present utility model has been described according to the above specific embodiments, the idea of the present utility model is not limited to this utility model alone. Any modification using the idea of the present utility model will be included in the scope of protection of this patent right.

Claims

1. A micro sand screening device, characterized in that: It includes a trolley bottom plate, an "H"-shaped vertical frame fixed on the trolley bottom plate, vertical plates fixed on both sides of the trolley bottom plate, a material receiving plate rotatably connected to the vertical plates, a material receiving frame arranged on the material receiving plate, a connecting plate rotatably connected to the material receiving frame, a screening frame rotatably connected to the material receiving plate, a shaking motor fixed on the trolley bottom plate and a material discharge cylinder fixed on the vertical frame, wherein the output end of the material discharge cylinder is hinged to one end of the material receiving plate, the output end of the shaking motor is provided with an eccentric wheel, the eccentric wheel is rotatably connected with a rocker, the end of the rocker away from the eccentric wheel is hinged to the screening frame, a screening plate is provided in the screening frame, and a material discharge port is provided on the side of the material receiving plate away from the material discharge cylinder.

2. The micro sand screening device according to claim 1, characterized in that: The discharge port is provided with a discharge valve.

3. The micro sand screening device according to claim 1, characterized in that: A plurality of supporting steps are arranged at intervals on the inner side of the screening frame, positioning rods are arranged on the supporting steps, and positioning holes matching with the positioning rods are arranged on the screening plate.

4. The micro sand screening device according to claim 3 is characterized in that: The positioning rod and the positioning hole are conical structures.

5. The micro sand screening device according to claim 1, characterized in that: A supporting foot is provided at the bottom of the cart bottom plate, and a roller with a self-locking function is provided on the supporting foot.

6. The micro sand screening device according to claim 1, characterized in that: A cart handle is provided on the stand.

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