Vibrating screen

Abstract

The vibrating screen comprises a fixing frame and a planting plate, stand columns are fixedly connected to the upper end of the fixing frame, connecting buckles facilitating connection of the planting plate are arranged on the outer side of the planting plate, inserting openings are fixedly formed in the upper ends of the stand columns, inserting rods are arranged in the inserting openings in a sliding and inserting mode, and open grooves communicated with an inner cavity are formed in the outer sides of the stand columns. A matched rotating plate is rotationally arranged at the bottom of the open groove, connecting plates clamped in the open groove are fixedly arranged on the periphery of the inserting rod, clamping grooves are evenly formed in the outer sides of the connecting plates and the rotating plate from top to bottom, connecting buckles on the outer side of the planting disc are matched with the clamping grooves in a clamped mode, and a damping rotating shaft is rotationally connected to the bottom of an inner cavity of the stand column. The sieve plate is automatically cleaned, manpower is saved, the cleaning efficiency is improved, meanwhile, the sieve plate can be overturned up and down, more thorough cleaning is facilitated, and the practical effect is obviously improved.

Description

Technical Field

[0001] The utility model relates to the field of screening devices, and more specifically to a vibrating screen. Background Art

[0002] The alias of vibrating screen is three-dimensional vibration screening filter, vibrating powder screening machine, rotary vibration screen machine, oscillating screen, vibrating screen machine, round screen, circular vibrating screen. It uses the principle of vibration motor excitation to throw the material on the screen surface and move forward in a straight line with a reasonably matched screen plate to achieve the purpose of screening. The sand and gravel used in construction need to be vibrated and screened with a vibrating screen. After the traditional vibrating screen vibrates and screens the sand and gravel, the sand and gravel have a certain amount of moisture, which makes it easy to stick to the screen plate and the bottom of the vibrating screen.

[0003] However, the sieve plate structure in the existing vibrating screen is fixed, and the sieve plate and the bottom of the vibrating screen need to be cleaned manually after use to avoid affecting the next use. The manual cleaning effect is slow and easily increases the labor intensity. It is even more inconvenient to clean the bottom of the sieve plate, which increases the difficulty of manual cleaning. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The utility model aims to provide a vibrating screen to solve the problems of low applicability of the pipeline placement rack proposed in the above background technology and lack of a pipeline limiting structure.

[0006] 2. Technical solution

[0007] A vibrating screen comprises a vibrating screen body and a vibrating frame arranged on the upper end of the vibrating screen body, the vibrating frame having a sieve plate built therein, a cleaning frame slidably arranged on the upper end of the vibrating frame and docking with the sieve plate, a rotating shaft is rotatably connected inside the cleaning frame, and bristles docking with the upper end of the sieve plate are evenly arranged on the outer side of the rotating shaft, a first motor driving the rotating shaft to rotate is fixedly connected to the upper end of the cleaning frame, slide grooves are arranged on both sides of the upper end of the vibrating frame, sliders are fixedly connected on both sides of the cleaning frame, and slide grooves are slidably arranged on the sliders, a second motor driving the slider to slide in the slide groove is fixedly connected to the outer side of the vibrating frame, a connecting shaft is fixedly connected to the outer side of the sieve plate, and the connecting shaft rotatably passes through and is connected to the vibrating frame, and a turntable is fixedly connected to the outer end of the connecting shaft.

[0008] Preferably, the first motor power end movably penetrates the cleaning frame and extends into the interior of the cleaning frame, the first motor power end is fixedly connected to a driving wheel, and an outer fixed sleeve of the cleaning frame is provided with a driven wheel engaged with the driving wheel.

[0009] Preferably, a reciprocating screw is connected to the inside of the slide groove for transverse rotation, and the reciprocating screw is threadedly connected to the slider, and the first motor power end is fixedly connected to the reciprocating screw.

[0010] Preferably, a limit pin is movably inserted through the outer side of the turntable, and two groups of limit holes that are engaged with the limit pin are symmetrically arranged on the outer side of the vibration frame.

[0011] Preferably, the outer end of the limit pin is fixedly connected to the limit block, and the limit block is connected to the outer side of the turntable through a spring.

[0012] Preferably, the spring sleeve is arranged outside the limiting pin, and the spring is a contraction spring.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The utility model configures a cleaning frame on the upper end of the existing vibration frame and docks it with the upper end of the sieve plate. In the subsequent cleaning process, the transmission structure is used to drive the cleaning frame to reciprocate and automatically and quickly clean the surface of the sieve plate. On this basis, the device adopts a rotating structural design for the sieve plate to facilitate upside down inversion, and can be fixed in position with a limit structure for portable operation, so that both the upper and lower ends of the sieve plate can be cleaned, and the operation is also very convenient. The overall structural setting is simple and reasonable, and the automatic cleaning method of the sieve plate is used to save manpower and improve the cleaning efficiency. At the same time, the sieve plate can be turned upside down for more thorough cleaning, which has obvious practical effect improvement and is worthy of promotion and use in the existing market. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the vibration frame and connection structure of the utility model;

[0018] Figure 3 It is a side view schematic diagram of the cleaning frame structure of the utility model.

[0019] Explanation of the numbers in the figure: 1-vibrating screen body, 2-vibrating frame, 3-sieve plate, 4-cleaning frame, 5-rotating shaft, 6-brush, 7-first motor, 701-driving wheel, 702-transmission wheel, 8-slide, 801-reciprocating screw, 9-slider, 10-second motor, 11-connecting shaft, 12-turntable, 1201-limiting pin, 1202-limiting hole, 1203-limiting block, 1204-spring. DETAILED DESCRIPTION

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] See also Figure 1-3A vibrating screen comprises a vibrating screen body 1 and a vibrating frame 2 arranged at the upper end of the vibrating screen body 1, the vibrating frame 2 having a sieve plate 3 built therein, a cleaning frame 4 which is slidably arranged on the upper end of the vibrating frame 2 and is docked with the sieve plate 3, a rotating shaft 5 is connected to the cleaning frame 4 for horizontal rotation inside, and bristles 6 which are docked with the upper end of the sieve plate 3 are evenly arranged on the outer side of the rotating shaft 5, a first motor 7 which drives the rotating shaft 5 to rotate is fixedly connected to the upper end of the cleaning frame 4, slide grooves 8 are arranged on both sides of the upper end of the vibrating frame 2, sliders 9 are fixedly connected to both sides of the cleaning frame 4, and the sliders 9 are slidably arranged with slide grooves 8, a second motor 10 which drives the slider 9 to slide in the slide groove 8 is fixedly connected to the outer side of the vibrating frame 2, a connecting shaft 11 is fixedly connected to the outer side of the sieve plate 3, and the connecting shaft 11 rotates and penetrates and is connected to the vibrating frame 2, and a turntable 12 is fixedly connected to the outer end of the connecting shaft 11. Among them, the power end of the first motor 7 movably penetrates the cleaning frame 4 and extends to the inside of the cleaning frame 4. The power end of the first motor 7 is fixedly connected to the driving wheel 701, and the outer side of the cleaning frame 4 is fixedly sleeved with a driven wheel 702 engaged with the driving wheel 701. The inside of the slide 8 is lateral and rotatably connected with a reciprocating screw 801, and the reciprocating screw 801 is threadedly connected to the slider 9, and the power end of the first motor 7 is fixedly connected to the reciprocating screw 801. The outer side of the turntable 12 is movably penetrated and inserted with a limit pin 1201, and the outer side of the vibration frame 2 is symmetrically provided with two groups of limit holes 1202 that are engaged with the limit pin 1201. The outer end of the limit pin 1201 is fixedly connected to a limit block 1203, and the limit block 1203 is connected to the outer side of the turntable 12 through a spring 1204. The spring 1204 is sleeved on the outer side of the limit pin 1201, and the spring 1204 is a contraction spring.

[0024] Based on the above structure, when the device is in use, the staff starts the first motor 7 and the second motor 10 through an external switch, and the second motor 10 drives the reciprocating screw 801 at the power end to rotate, and then the threaded driving slider 9 drives the cleaning frame 4 to move reciprocatingly along the slide groove 8 at the upper end of the vibration frame 2. During the movement of the cleaning frame 4, the first motor 7 at the upper end engages the driven wheel 702 on the outer side of the driving shaft 5 through the driving wheel 701 at the power end, thereby driving the shaft 5 to rotate, and the shaft 5 drives the outer bristles 6 to clean the upper end surface of the sieve plate 3. After the upper end surface of the sieve plate 3 is cleaned, the cleaning frame 4 is adjusted away from the upper end of the sieve plate 3, and then the staff can pull the limit block 1203 and stretch the spring 1204 while pulling the limit pin 1201 out of the limit hole 1202 on the outer side of the vibration frame 2, and then the rotating disk 12 rotates the connecting shaft 11 to drive the sieve plate 3 to rotate 180°, and the upper and lower sides are reversed, so that the cleaning frame 4 can continue to clean the bottom of the sieve plate 3, which is very convenient to use and saves manpower.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A vibrating screen, comprising a vibrating screen body (1) and a vibrating frame (2) arranged at the upper end of the vibrating screen body (1), wherein the vibrating frame (2) has a sieve plate (3) built therein, characterized in that: A cleaning frame (4) is slidably provided at the upper end of the vibration frame (2) and is docked with the sieve plate (3). A rotating shaft (5) is rotatably connected inside the cleaning frame (4), and bristles (6) docked with the upper end of the sieve plate (3) are evenly provided on the outer side of the rotating shaft (5). A first motor (7) for driving the rotating shaft (5) to rotate is fixedly connected to the upper end of the cleaning frame (4). Slide grooves (8) are provided on both sides of the upper end of the vibration frame (2). Slide blocks (9) are fixedly connected to both sides of the cleaning frame (4), and the slide blocks (9) are slidably provided with slide grooves (8). A second motor (10) for driving the slide block (9) to slide in the slide groove (8) is fixedly connected to the outer side of the vibration frame (2). A connecting shaft (11) is fixedly connected to the outer side of the sieve plate (3), and the connecting shaft (11) is rotatably connected to the vibration frame (2). A rotating disk (12) is fixedly connected to the outer end of the connecting shaft (11).

2. A vibrating screen according to claim 1, characterized in that: The power end of the first motor (7) movably passes through the cleaning frame (4) and extends into the interior of the cleaning frame (4); the power end of the first motor (7) is fixedly connected to a driving wheel (701), and an outer fixed sleeve of the cleaning frame (4) is provided with a driven wheel (702) meshed with the driving wheel (701).

3. A vibrating screen according to claim 2, characterized in that: A reciprocating screw (801) is connected to the slide groove (8) for transverse rotation, and the reciprocating screw (801) is threadedly connected to the slider (9), and the power end of the first motor (7) is fixedly connected to the reciprocating screw (801).

4. A vibrating screen according to claim 3, characterized in that: A limit pin (1201) is movably inserted through the outer side of the rotating disk (12), and two groups of limit holes (1202) that are engaged with the limit pin (1201) are symmetrically arranged on the outer side of the vibration frame (2).

5. A vibrating screen according to claim 4, characterized in that: The outer end of the limiting pin (1201) is fixedly connected to the limiting block (1203), and the limiting block (1203) is connected to the outer side of the rotating disk (12) via a spring (1204).

6. A vibrating screen according to claim 5, characterized in that: The spring (1204) is sleeved on the outside of the limiting pin (1201), and the spring (1204) is a contraction spring.

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