A grading screening device convenient for replacing screen mesh

Abstract

The utility model discloses a grading screening device which is convenient for replacing screens, comprising a screening box, a fixing box fixedly connected to one side of the screening box, a rotating shaft rotatably connected inside the fixing box, an eccentric wheel fixedly connected equidistantly outside the rotating shaft, an adjusting plate slidably connected inside the fixing box, a connecting plate fixedly connected equidistantly on one side of the adjusting plate, and a sliding plate fixedly connected to the side of the connecting plate away from the adjusting plate. The beneficial effects achieved by the utility model are as follows: the function of grading and screening quartz sand is achieved by arranging the rotating shaft, the eccentric wheel, the adjusting plate, the first spring, the connecting plate, the sliding plate, the first screen plate and the second screen plate, and the function of quickly installing and disassembling the first screen plate and the second screen plate is achieved by arranging the mounting plate, the sliding rod, the second spring, the adjusting block, the clamping block, the mounting seat and the clamping groove, so that the quick installation and disassembly are convenient, the disassembly and assembly are convenient, and the utility model is easy to use.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a grading screening device which is convenient for replacing a screen. Background Art

[0002] Quartz sand is quartz particles processed by crushing quartz stone. Quartz stone is a non-metallic mineral, a hard, wear-resistant, chemically stable silicate mineral. Quartz sand is an important industrial mineral raw material and is widely used. In the processing of quartz sand, a screening device is used to screen it. In the prior art, the screen of the screening device is usually fixed and installed by multiple groups of bolts, and auxiliary tools are required for installation and disassembly. The efficiency of disassembly and assembly is low. When the screen structure is inspected and maintained, it is not convenient to use. Therefore, we propose a graded screening device that is easy to replace the screen. Utility Model Content

[0003] The purpose of the utility model is to provide a graded screening device that is easy to replace the screen, so as to solve the problem that the screen of the screening device proposed in the above background technology is usually fixed and installed by multiple groups of bolts, auxiliary tools are needed during installation and disassembly, the efficiency of disassembly and assembly is low, and its convenience is poor during the inspection and maintenance of the screen structure.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A grading screening device which is convenient for replacing screens, comprises a screening box, a fixing box being fixedly connected to one side of the screening box, a rotating shaft being rotatably connected to the inside of the fixing box, an eccentric wheel being fixedly connected to the outside of the rotating shaft at equal intervals, an adjusting plate being slidably connected to the inside of the fixing box, a connecting plate being fixedly connected to one side of the adjusting plate at equal intervals, a sliding plate being fixedly connected to the side of the connecting plate away from the adjusting plate, a mounting plate being fixedly connected to one side of the sliding plate at equal intervals, an adjusting block being slidably connected to the inside of the mounting plate, a clamping block being fixedly connected to the top of the adjusting block at equal intervals, a first screening plate and a second screening plate being arranged in sequence inside the screening box, a mounting seat being fixedly connected to one side of the first screening plate and one side of the second screening plate, and clamping grooves for use with the clamping blocks being provided at equal intervals at the bottom of the mounting seat.

[0006] It can be understood that the utility model drives the eccentric wheel to rotate through the rotation of the rotating shaft, so that the eccentric wheel squeezes and drives the adjustment plate to move, and the adjustment plate drives the sliding plate to move through the connecting plate, so as to facilitate the screening of quartz sand. The quartz sand is graded and screened by the arrangement of the first sieve plate and the second sieve plate, and the movement of the adjusting block drives the card block to move, so that the card block moves into the interior of the card slot, thereby locking the position of the mounting seat, which is convenient for the installation of the first sieve plate and the second sieve plate.

[0007] Preferably, a first collecting frame is placed outside the screening box and on one side of the first screen plate, a second collecting frame is placed outside the screening box and on one side of the second screen plate, and a third collecting frame is placed inside the screening box and below the second screen plate.

[0008] It can be understood that the utility model facilitates the classification and collection of the screened quartz sand through the provision of the first collecting frame, the second collecting frame and the third collecting frame.

[0009] Preferably, a feed port is fixedly connected to the top of the screening box, and a box door is opened on one side of the screening box.

[0010] It can be understood that the utility model facilitates the addition of quartz sand through the setting of the feed port, and facilitates the operation when replacing the screen through the setting of the box door.

[0011] Preferably, a driving motor is fixedly connected to the top of the fixing box, and an output end of the driving motor is fixedly connected to the rotating shaft.

[0012] It can be understood that the utility model drives the rotating shaft to rotate by driving the motor.

[0013] Preferably, the interior of the fixing box is equidistantly fixedly connected with a limiting rod, the adjustment plate is slidably connected to the limiting rod, and one end of the limiting rod is fixedly connected to a limiting block.

[0014] It can be understood that the utility model limits the movement of the adjustment plate by providing the limiting rod and the limiting block.

[0015] Preferably, a first spring is sleeved on the outer side of the limiting rod and located on one side of the adjusting plate.

[0016] It can be understood that, in the present invention, the first spring drives the adjustment plate to move and reset.

[0017] Preferably, a slide rod is slidably connected inside the mounting plate, the adjustment block is fixedly connected to the slide rod, one end of the slide rod is fixedly connected to a handle, and a second spring is sleeved on the outside of the slide rod and on one side of the adjustment block.

[0018] It can be understood that, in the present invention, the adjusting block is driven to move by the sliding rod, and the adjusting block is driven to move and reset by the second spring.

[0019] The beneficial effects achieved by the utility model are as follows: by arranging the rotating shaft, the eccentric wheel, the adjusting plate, the first spring, the connecting plate, the sliding plate, the first screen plate and the second screen plate, the function of grading and screening the quartz sand is realized, and the screening effect is good; by arranging the mounting plate, the sliding rod, the second spring, the adjusting block, the clamping block, the mounting seat and the clamping groove, the function of quickly installing and disassembling the first screen plate and the second screen plate is realized, which is convenient for quick installation and disassembly, and the disassembly is convenient and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a cross-sectional view of the utility model;

[0023] Figure 3 It is an enlarged view of the local A of the utility model;

[0024] Figure 4 It is an enlarged view of local B of the utility model.

[0025] In the figure: 1. screening box; 2. fixing box; 3. driving motor; 4. feeding port; 5. first collecting frame; 6. second collecting frame; 7. box door; 8. first sieve plate; 9. second sieve plate; 10. third collecting frame; 11. rotating shaft; 12. sliding plate; 13. adjusting plate; 14. connecting plate; 15. first spring; 16. limiting rod; 17. limiting block; 18. eccentric wheel; 19. mounting seat; 20. slot; 21. block; 22. sliding rod; 23. second spring; 24. adjusting block; 25. mounting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 4 , the utility model provides a technical solution:

[0028] A grading screening device which is convenient for replacing screens, comprises a screening box 1, a fixed box 2 is fixedly connected to one side of the screening box 1, a rotating shaft 11 is rotatably connected to the inside of the fixed box 2, an eccentric wheel 18 is fixedly connected to the outside of the rotating shaft 11 at equal intervals, an adjusting plate 13 is slidably connected to the inside of the fixed box 2, a connecting plate 14 is fixedly connected to one side of the adjusting plate 13 at equal intervals, a sliding plate 12 is fixedly connected to the side of the connecting plate 14 away from the adjusting plate 13, a mounting plate 25 is fixedly connected to one side of the sliding plate 12 at equal intervals, an adjusting block 24 is slidably connected to the inside of the mounting plate 25, a clamping block 21 is fixedly connected to the top of the adjusting block 24 at equal intervals, a first sieve plate 8 and a second sieve plate 9 are sequentially arranged inside the screening box 1, a mounting seat 19 is fixedly connected to one side of the first sieve plate 8 and one side of the second sieve plate 9, and a clamping groove 20 used in conjunction with the clamping block 21 is equidistantly provided at the bottom of the mounting seat 19.

[0029] It can be understood that the utility model drives the eccentric wheel 18 to rotate by rotating the rotating shaft 11, so that the eccentric wheel 18 squeezes and drives the adjustment plate 13 to move, and the adjustment plate 13 drives the sliding plate 12 to move through the connecting plate 14, so as to facilitate the screening of quartz sand. The quartz sand is graded and screened by the arrangement of the first sieve plate 8 and the second sieve plate 9, and the movement of the adjusting block 24 drives the block 21 to move, so that the block 21 moves into the interior of the card slot 20, thereby locking the position of the mounting seat 19, and facilitating the installation of the first sieve plate 8 and the second sieve plate 9.

[0030] Furthermore, a first collecting frame 5 is placed on the outside of the screening box 1 and on one side of the first sieve plate 8, a second collecting frame 6 is placed on the outside of the screening box 1 and on one side of the second sieve plate 9, and a third collecting frame 10 is placed inside the screening box 1 and below the second sieve plate 9.

[0031] It can be understood that the utility model facilitates the classification and collection of the screened quartz sand through the provision of the first collecting frame 5, the second collecting frame 6 and the third collecting frame 10.

[0032] Furthermore, a feed port 4 is fixedly connected to the top of the screening box 1 , and a box door 7 is opened on one side of the screening box 1 .

[0033] It can be understood that the utility model facilitates the addition of quartz sand through the provision of the feed port 4, and facilitates the operation when replacing the screen through the provision of the box door 7.

[0034] Furthermore, a driving motor 3 is fixedly connected to the top of the fixed box 2 , and an output end of the driving motor 3 is fixedly connected to the rotating shaft 11 .

[0035] It can be understood that, in the present invention, the driving motor 3 drives the rotating shaft 11 to rotate.

[0036] Furthermore, a limiting rod 16 is equidistantly fixedly connected inside the fixing box 2 , the adjusting plate 13 is slidably connected to the limiting rod 16 , and one end of the limiting rod 16 is fixedly connected to the limiting block 17 .

[0037] It can be understood that, in the present invention, the movement of the adjustment plate 13 is limited by the provision of the limiting rod 16 and the limiting block 17 .

[0038] Furthermore, a first spring 15 is sleeved on the outer side of the limiting rod 16 and on one side of the adjusting plate 13 .

[0039] It can be understood that, in the present invention, the first spring 15 drives the adjustment plate 13 to move and reset.

[0040] Furthermore, the mounting plate 25 is internally slidably connected to a slide bar 22, an adjusting block 24 is fixedly connected to the slide bar 22, one end of the slide bar 22 is fixedly connected to a handle, and a second spring 23 is sleeved on the outer side of the slide bar 22 and on one side of the adjusting block 24.

[0041] It can be understood that, in the present invention, the slide bar 22 drives the adjusting block 24 to move, and the second spring 23 drives the adjusting block 24 to move and reset.

[0042] Specifically, during the processing of quartz sand, when it is necessary to grade and screen it, the quartz sand is slowly added into the screening box 1 through the feed port 4, and the drive motor 3 is started. The drive motor 3 drives the rotating shaft 11 to rotate, and the rotation of the rotating shaft 11 drives the eccentric wheel 18 to rotate, so that the eccentric wheel 18 squeezes and drives the adjustment plate 13 to slide along the limit rod 16, and the first spring 15 is compressed. As the eccentric wheel 18 continues to rotate, the first spring 15 drives the adjustment plate 13 to move and reset due to the elastic force, thereby driving the adjustment plate 13 to move back and forth, and the adjustment plate 13 is driven to slide through the connecting plate 14. The plate 12 moves back and forth, thereby driving the first sieve plate 8 and the second sieve plate 9 to move back and forth. The quartz sand can be graded and screened by the first sieve plate 8 and the second sieve plate 9, and the screened quartz sand can be classified and collected by the first collecting frame 5, the second collecting frame 6 and the third collecting frame 10. When the first sieve plate 8 or the second sieve plate 9 needs to be replaced, the slide bar 22 is pulled, and the slide bar 22 drives the adjustment block 24 to move, and the adjustment block 24 drives the card block 21 to move out of the card slot 20, and the lock of the mounting seat 19 is released, and the first sieve plate 8 or the second sieve plate 9 can be removed for replacement. The disassembly and assembly are convenient and easy to use.

[0043] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" 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 device or element referred to 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.

[0044] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0045] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grading screening device for facilitating screen replacement, comprising a screening box (1), characterized in that: A fixed box (2) is fixedly connected to one side of the screening box (1), a rotating shaft (11) is rotatably connected to the interior of the fixed box (2), an eccentric wheel (18) is equidistantly fixedly connected to the outer side of the rotating shaft (11), an adjusting plate (13) is slidably connected to the interior of the fixed box (2), a connecting plate (14) is equidistantly fixedly connected to one side of the adjusting plate (13), a sliding plate (12) is fixedly connected to the side of the connecting plate (14) away from the adjusting plate (13), and one side of the sliding plate (12) A mounting plate (25) is fixedly connected at equal intervals, an adjusting block (24) is slidably connected inside the mounting plate (25), a clamping block (21) is fixedly connected at equal intervals on the top of the adjusting block (24), a first sieve plate (8) and a second sieve plate (9) are sequentially arranged inside the screening box (1), a mounting seat (19) is fixedly connected to one side of the first sieve plate (8) and one side of the second sieve plate (9), and a clamping slot (20) for use with the clamping block (21) is equidistantly provided at the bottom of the mounting seat (19).

2. A grading screening device that is easy to replace the screen according to claim 1, characterized in that: A first collecting frame (5) is placed outside the screening box (1) and on one side of the first screening plate (8), a second collecting frame (6) is placed outside the screening box (1) and on one side of the second screening plate (9), and a third collecting frame (10) is placed inside the screening box (1) and below the second screening plate (9).

3. A grading screening device that is easy to replace the screen according to claim 1, characterized in that: A feed port (4) is fixedly connected to the top of the screening box (1), and a box door (7) is provided on one side of the screening box (1).

4. A grading screening device that is easy to replace the screen according to claim 1, characterized in that: A driving motor (3) is fixedly connected to the top of the fixed box (2), and an output end of the driving motor (3) is fixedly connected to a rotating shaft (11).

5. The grading screening device with easy screen replacement according to claim 1, characterized in that: The interior of the fixed box (2) is equidistantly fixedly connected with a limit rod (16), the adjustment plate (13) is slidably connected to the limit rod (16), and one end of the limit rod (16) is fixedly connected to a limit block (17).

6. A grading screening device for easy replacement of screens according to claim 5, characterized in that: A first spring (15) is sleeved on the outer side of the limiting rod (16) and located on one side of the adjusting plate (13).

7. A grading screening device that is easy to replace the screen according to claim 1, characterized in that: The mounting plate (25) is slidably connected to a slide bar (22) inside, the adjusting block (24) is fixedly connected to the slide bar (22), one end of the slide bar (22) is fixedly connected to a handle, and a second spring (23) is sleeved on the outside of the slide bar (22) and on one side of the adjusting block (24).

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