Sand screening machine with replaceable screen and high screening efficiency

Abstract

The sand screening machine comprises a screening barrel, openings are formed in the upper side and the lower side of the screening barrel respectively, the screening net is arranged at the opening in the lower side, rotating rings are rotationally arranged on the left side and the right side of the screening barrel respectively, and the left side and the right side of the screening net are detachably installed on the rotating rings. And a driving mechanism for driving the rotating ring to rotate is arranged on the screening barrel. The screen cloth is fixedly installed on the rotating rings on the left side and the right side, and under the action of the driving mechanism, when the screen cloth needs to be disassembled or installed, the screen cloth can be driven to the upper side through rotation of the rotating rings, so that the disassembling difficulty of workers is reduced, and the workers do not need to squat below the screen barrel to disassemble the screen cloth.

Description

Technical Field

[0001] The utility model relates to a sand screening machine with replaceable screen and high screening efficiency. Background Art

[0002] The coarseness of sand refers to the average coarseness of sand particles of different particle sizes mixed together. Usually there are coarse sand, medium sand and fine sand. The particle gradation of sand refers to the matching ratio of sand particles of different sizes. In order to screen gravel, a sand screening machine is needed to screen gravel of different particle sizes. The technical problem of the existing sand screening machine is that the screen is not conducive to disassembly. When the screen is damaged or blocked, it is not conducive to disassembly, resulting in the screen being unable to be quickly disassembled, which is not conducive to disassembly. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a sand screening machine with a replaceable screen and high screening efficiency.

[0004] A sand screening machine designed for this purpose has a replaceable screen and high screening efficiency, comprising a screen barrel, wherein the screen barrel is respectively provided with openings on the upper and lower sides, a screen is provided in the lower opening, and rotating rings are rotatably provided on the left and right sides of the screen barrel, and the left and right sides of the screen are detachably mounted on the rotating rings, and a driving mechanism for driving the rotating ring to rotate is provided on the screen barrel.

[0005] Preferably, a slot is provided on the inner wall of the rotating ring, and the left and right sides of the screen are respectively inserted into the slot. The rotating ring is provided with a locking bolt, and the locking bolt is threadedly connected to the screen.

[0006] Preferably, an annular gear is provided on the rotating ring, and the driving mechanism includes a mounting plate arranged on the screen barrel, a first motor is mounted on the mounting plate, a driving gear is mounted on the motor shaft of the first motor, and the driving gear is meshed with the annular gear.

[0007] Preferably, support frames are respectively provided on the left and right sides of the screen barrel.

[0008] Preferably, the rotating ring is rotatably mounted on the screen barrel using a bearing.

[0009] Preferably, a mounting hole is provided on the rotating ring, a threaded hole communicating with the mounting hole is provided on the screen, and the locking bolt passes through the mounting hole and is threadedly connected to the threaded hole.

[0010] Compared with the prior art, the utility model includes a screen barrel, the upper and lower sides of the screen barrel are respectively provided with openings, a screen is provided at the lower opening, the left and right sides of the screen barrel are respectively provided with rotating rings, the left and right sides of the screen are detachably mounted on the rotating rings, and the screen barrel is provided with a driving mechanism for driving the rotating rings to rotate. The utility model is fixedly mounted on the rotating rings on the left and right sides through the screen, and under the action of the driving mechanism, when the screen needs to be removed or installed, the rotating ring can be rotated to drive the screen to the upper side, so as to reduce the difficulty of disassembly for workers, and there is no need to squat under the screen barrel for disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0012] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0015] Figure 5 It is a schematic diagram of the exploded structure of the utility model. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] See also Figure 1-Figure 5 A sand screening machine with a replaceable screen and high screening efficiency comprises a screen barrel 10, wherein the screen barrel 10 is provided with openings 110 on the upper and lower sides respectively, and a screen 40 is provided at the lower opening 110, and rotating rings 20 are rotatably provided on the left and right sides of the screen barrel 10 respectively, and the left and right sides of the screen 40 are detachably installed on the rotating rings 20, and a driving mechanism 30 for driving the rotating rings 20 to rotate is provided on the screen barrel 10. The utility model is fixedly installed on the rotating rings on the left and right sides through the screen, and under the action of the driving mechanism, when the screen needs to be removed or installed, the rotating ring can be rotated to drive the screen to the upper side, so as to reduce the difficulty of disassembly for workers, and there is no need to squat under the screen barrel for disassembly.

[0018] See also Figure 2 and Figure 4 A slot 200 is provided on the inner wall of the rotating ring 20 , and the left and right sides of the screen 40 are respectively inserted into the slot 200 . The rotating ring 20 is provided with a locking bolt 220 , and the locking bolt 220 is threadedly connected to the screen 40 .

[0019] Furthermore, the rotating ring 20 is provided with a mounting hole 230 , the screen 40 is provided with a threaded hole 400 which is in communication with the mounting hole 230 , and the locking bolt 220 passes through the mounting hole 230 and is threadedly connected with the threaded hole 400 .

[0020] The rotating ring 20 is provided with an annular gear 210, and the driving mechanism 30 includes a mounting plate 300 arranged on the screen barrel 10, a first motor 310 is mounted on the mounting plate 300, a driving gear 320 is mounted on the motor shaft of the first motor 310, and the driving gear 320 is meshed with the annular gear 210.

[0021] See also Figure 1 A support frame 100 is respectively provided on the left and right sides of the screen barrel 10 .

[0022] See also Figure 3 The rotating ring 20 is rotatably mounted on the screen barrel 10 using a bearing 120 .

[0023] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0024] 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 indicating the orientation or position relationship are based on the orientation or position relationship 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 cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sand screening machine with a replaceable screen and high screening efficiency, comprising a screen barrel (10), wherein the screen barrel (10) is provided with openings (110) on the upper and lower sides respectively, and a screen (40) is provided at the lower opening (110), characterized in that: The left and right sides of the sieve barrel (10) are respectively rotatably provided with rotating rings (20), the left and right sides of the sieve (40) are detachably mounted on the rotating rings (20), and the sieve barrel (10) is provided with a driving mechanism (30) for driving the rotating rings (20) to rotate.

2. A sand screening machine with replaceable screen and high screening efficiency according to claim 1, characterized in that: A slot (200) is provided on the inner wall of the rotating ring (20), and the left and right sides of the screen (40) are respectively inserted into the slot (200). The rotating ring (20) is provided with a locking bolt (220), and the locking bolt (220) is threadedly connected to the screen (40).

3. The sand screening machine with replaceable screen and high screening efficiency according to claim 1, characterized in that: The rotating ring (20) is provided with an annular gear (210), the driving mechanism (30) comprises a mounting plate (300) arranged on the sieve barrel (10), a first motor (310) is mounted on the mounting plate (300), a driving gear (320) is mounted on the motor shaft of the first motor (310), and the driving gear (320) and the annular gear (210) are meshed with each other.

4. The sand screening machine with replaceable screen and high screening efficiency according to claim 1, characterized in that: Support frames (100) are respectively arranged on the left and right sides of the screen barrel (10).

5. The sand screening machine with replaceable screen and high screening efficiency according to claim 1, characterized in that: The rotating ring (20) is rotatably mounted on the screen barrel (10) by means of a bearing (120).

6. The sand screening machine with replaceable screen and high screening efficiency according to claim 2, characterized in that: The rotating ring (20) is provided with a mounting hole (230), the screen (40) is provided with a threaded hole (400) which is in communication with the mounting hole (230), and the locking bolt (220) passes through the mounting hole (230) and is threadedly connected to the threaded hole (400).

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