Filtering structure and automatic steel ball screening device thereof

Abstract

The utility model relates to the technical field of steel ball screening devices, and discloses a filtering structure and an automatic steel ball screening device thereof. The filtering boxes are arranged above the bottom box, the number of the filtering boxes is multiple, each filtering box is composed of a filtering frame and a filtering and screening disc unit, the filtering and screening disc units integrally and movably penetrate through the filtering frames, each filtering and screening disc unit comprises a rectangular frame and a cylindrical rod, and the diameters of the cylindrical rods on the multiple filtering and screening disc units are different. The diameters of the cylindrical rods are sequentially reduced from the upper layer to the lower layer; and the limiting assembly is arranged between the filtering frame and the filtering and screening disc unit and used for limiting and fixing the filtering and screening disc unit. The device is improved on the basis of the prior art, the filtering and screening disc unit movably penetrates through the front end of the filtering frame, and the limiting assembly is arranged between the filtering frame and the filtering and screening disc unit, so that the filtering and screening disc unit is conveniently replaced, and the cost of purchasing a new device is saved for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of steel ball screening devices, in particular to a filtering structure and an automated steel ball screening device thereof. Background Art

[0002] Steel balls are an important basic component that plays a huge role in the process of industrial production. Manual screening is time-consuming and labor-intensive, with low work efficiency and errors, and is replaced by machinery in large-scale screening.

[0003] The prior art discloses a steel ball screening electric screen (publication number: CN214262168U), comprising a screening grate, a first material receiving hopper, a second material receiving hopper and a vibration motor, wherein the first material receiving hopper is arranged below the screening grate, the screening grate is arranged tilted, and after the tilting, its lower end is a discharge port, and the second material receiving hopper is placed at the high end, the top opening of the second material receiving hopper is located below the grinding door of the cement mill, and a discharge port is arranged on the bottom of the side of the second material receiving hopper facing the screening grate, and the high end tail of the screening grate is fixedly connected to the vibration motor.

[0004] The existing technology can automatically screen the steel balls in the ball mill with high work efficiency. In addition, some existing electric screens for steel ball screening can perform multiple screenings to screen out different types of steel balls. Such devices usually weld the screen or screen rods inside the machine, and the device cannot be disassembled, making it impossible for users to replace the screen or screen rods by themselves to meet actual work needs later, causing inconvenience in use. Repurchasing the device requires too much financial cost.

[0005] Therefore, those skilled in the art provide a filtering structure and an automated steel ball screening device thereof to solve the problems raised in the above background technology. Utility Model Content

[0006] The utility model mainly solves the technical problem that the screen mesh or the screen rod cannot be replaced, and provides a filtering structure and an automatic steel ball screening device thereof.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A filtering structure, which includes: a bottom box, which is a rectangular box with an open top, and a discharge nozzle is connected to the right side of the bottom box; a filter box, which is arranged above the bottom box, and there are multiple filter boxes, each of which is composed of a filter frame and a filter screening disc unit, the filter screening disc unit as a whole movably passes through the filter frame, and the filter screening disc unit as a whole can be pulled out of the filter frame, the filter screening disc unit includes a rectangular frame and cylindrical rods fixedly installed in the rectangular frame cavity and distributed at equal intervals, there are differences in the diameters of the cylindrical rods on the multiple filter screening disc units, and the diameters of the cylindrical rods decrease from the upper layer to the lower layer; a limiting component, which is arranged between the filter frame and the filter screening disc unit for limiting and fixing the filter screening disc unit, the limiting component includes a stopper portion fixedly installed on the filter frame and a stopper portion fixedly installed on the side of the rectangular frame, and there is a movable engaging relationship between the stopper portion and the stopper portion.

[0009] According to the filtering structure, the multiple filter frames are all in "U" shape, and a connecting plate is fixedly connected between the two ends of the U-shape of the filter frame. The connecting plate is in "L" shape, and a discharge box is fixedly connected to the right side of the filter frame. The discharge port angles of the discharge box on different filter frames are different.

[0010] According to the filtering structure, an arc-shaped groove is provided on a wall surface of one side of the rectangular frame close to the corresponding discharge box, and the arc-shaped groove is wavy.

[0011] According to the filtering structure, the inner wall surfaces of the plurality of filtering frames are provided with engaging grooves, the corresponding rectangular frames are movably engaged in the engaging grooves, and the rectangular frames movably penetrate the front ends of the corresponding filtering frames.

[0012] According to the filtering structure, the limiting part is a rectangular block fixedly mounted on the front end wall of the rectangular frame, and the stopper part is a limiting stopper fixed to the front end of the filtering frame by bolts and nuts.

[0013] According to the filtering structure, the limit stopper is T-shaped, and a rectangular engaging groove is provided through the axis of the limit stopper, and the rectangular block movably passes through the corresponding limit stopper through the engaging groove.

[0014] An automated steel ball screening device comprises a support assembly and the above-mentioned filtering structure, wherein the support assembly comprises a support column fixedly mounted on the ground and a first partition plate fixedly mounted on the front and rear sides of a bottom box, a second partition plate fixedly connected to the top end of the support column, a compression spring fixedly connected between the first partition plate and the second partition plate, fixed piles fixedly connected to the front and rear side walls of the bottom box, the fixed piles being located above the corresponding first partition plates, the fixed piles and the first partition plates being limited and fixed by U-shaped clamps, and an eccentric motor fixedly mounted on the bottom end wall of the bottom box.

[0015] The utility model provides a filtering structure and an automated steel ball screening device thereof, which have the following beneficial effects:

[0016] (1) By setting up multiple filter boxes, the diameters of the cylindrical rods in different filter boxes are different, and the diameters of the cylindrical rods decrease from the upper layer to the lower layer, so that steel columns of different diameters are rolled out from the discharge box on one side from large to small, thereby completing the screening of steel balls. The cylindrical rods in the prior art are usually welded and fixed in the filter frame cavity, and the device cannot be disassembled, so that it is impossible to replace the filter screening disc units with different gaps later, and it is necessary to purchase the equipment again. The present application makes improvements on the basis of the prior art, and sets a filter screening disc unit to move through the front end of the filter frame, and sets a limit assembly between the filter frame and the filter screening disc unit, so as to facilitate the replacement of the filter screening disc unit, thereby saving the cost of purchasing a new device for users.

[0017] (2) An arc-shaped groove is provided on the wall surface of one side of the rectangular frame close to the corresponding discharge box. The arc-shaped groove is wavy, which facilitates the steel ball to fall into the corresponding discharge box cavity through the arc-shaped groove, effectively avoiding some steel balls from being stuck in the gap between the cylindrical rods, making the steel balls move more smoothly and improving work efficiency.

[0018] (3) By providing snap-fit ​​grooves on the inner wall surface of the filter frame, the rectangular frame movably passes through the front end of the corresponding filter frame and is snap-fitted into the corresponding snap-fit ​​groove. This structural design facilitates the replacement of the filter screening disc unit as a whole, thereby improving the practicability of the device. By setting the limiting portion as a rectangular block fixedly mounted on the front end wall surface of the rectangular frame, the block portion is a limit block fixed to the front end of the filter frame by bolts and nuts, and a rectangular snap-fit ​​groove is provided on the axis of the limit block. The rectangular block movably passes through the corresponding limit block through the snap-fit ​​groove, thereby facilitating the positioning of the rectangular frame. The limit block and the filter frame are fixed by bolts and nuts, thereby limiting and fixing the rectangular frame in the snap-fit ​​groove. This structure is simple to disassemble and install, and is convenient to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a filtering structure of the utility model;

[0020] Figure 2 It is a right side schematic diagram of a filtering structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the filter box;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the filtering and screening disc unit;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the filter frame and the filter screening disc unit;

[0024] Figure 6It is a schematic diagram of the connection relationship between the filtering structure and the automated steel ball screening device.

[0025] Legend:

[0026] 10. Bottom box; 12. Filter frame; 13. Filter screening disc unit; 14. Limiting assembly; 15. Discharge box; 17. Rectangular frame; 18. Cylindrical rod; 19. Arc groove; 20. Rectangular block; 21. Engaging groove; 22. Connecting plate; 23. Limiting block; 24. Eccentric motor; 25. Support column; 26. Discharge nozzle. DETAILED DESCRIPTION

[0027] like Figure 1-6 As shown: a filtering structure, which includes: a bottom box 10, the bottom box 10 is a rectangular box with an open top, and a discharge nozzle 26 is connected to the right side of the bottom box 10; a filter box, the filter box is arranged above the bottom box 10, the number of filter boxes is multiple, and the filter boxes are composed of a filter frame 12 and a filter screening disc unit 13. The filter screening disc unit 13 is integrally movable and penetrates the filter frame 12. The filter screening disc unit 13 can be withdrawn from the filter frame 12 as a whole. The filter screening disc unit 13 includes a rectangular frame 17 and a fixedly installed rectangular frame 17. Cylindrical rods 18 are evenly spaced in the cavity of the frame 17, and the diameters of the cylindrical rods 18 on the multiple filter screening disc units 13 are different, and the diameters of the cylindrical rods 18 decrease from the upper layer to the lower layer; a limit assembly 14, which is arranged between the filter frame 12 and the filter screening disc unit 13 to limit and fix the filter screening disc unit 13, and the limit assembly 14 includes a stopper portion fixedly mounted on the filter frame 12 and a stopper portion fixedly mounted on the side of the rectangular frame 17, and the stopper portion and the stopper portion are in an active engagement relationship.

[0028] An automated steel ball screening device comprises a support assembly and the filtering structure described above, wherein the support assembly comprises a support column 25 fixedly mounted on the ground and a first partition plate fixedly mounted on the front and rear sides of a bottom box 10, a second partition plate fixedly connected to the top end of the support column 25, a compression spring fixedly connected between the first partition plate and the second partition plate, fixed piles fixedly connected to the front and rear side walls of the bottom box 10, the fixed piles are located above the corresponding first partition plates, the fixed piles and the first partition plates are limited and fixed by a U-shaped clamp, and an eccentric motor 24 is fixedly mounted on the bottom end wall of the bottom box 10.

[0029] Specifically, by setting up multiple filter boxes, the diameters of the cylindrical rods 18 in different filter boxes are different, and the diameters of the cylindrical rods 18 decrease from the upper layer to the lower layer, so that steel columns of different diameters roll out from the discharge box 15 on one side from large to small, thereby completing the screening of steel balls. The cylindrical rods 18 in the prior art are usually welded and fixed in the cavity of the filter frame 12, and the device cannot be disassembled, so that the filter screening disc units 13 with different gaps cannot be replaced by themselves later, and the equipment needs to be purchased again. The present application is improved on the basis of the prior art, and a filter screening disc unit 13 is arranged to movably pass through the front end of the filter frame 12, and a limit assembly 14 is arranged between the filter frame 12 and the filter screening disc unit 13, so as to facilitate the replacement of the filter screening disc unit 13, thereby saving users the cost of purchasing new equipment.

[0030] Multiple filter frames 12 are all "U"-shaped, and connecting plates 22 are fixedly connected between the two ends of the U-shaped filter frame 12. The connecting plates 22 are "L"-shaped, and the right side of the filter frame 12 is fixedly connected to a discharge box 15. The discharge port angles of the discharge box 15 on different filter frames 12 are different.

[0031] Specifically, the filter frame 12 is set to be U-shaped, and the connecting plate 22 is fixedly connected to the two ends of the U-shaped filter frame 12. The connecting plate 22 is "L"-shaped to provide support for the upper filter screening disc unit 13, thereby improving the stability of the device. By setting the discharge box 15 with different discharge port angles on different filter frames 12, it is convenient for the staff to collect the screened steel balls.

[0032] An arc-shaped groove 19 is formed on a wall surface of the rectangular frame 17 close to the corresponding discharge box 15 , and the arc-shaped groove 19 is wavy.

[0033] Specifically, an arc-shaped groove 19 is opened on the side wall of the rectangular frame 17 close to the corresponding discharge box 15. The arc-shaped groove 19 is wavy, which facilitates the steel ball to fall into the corresponding discharge box 15 cavity through the arc-shaped groove 19, effectively avoiding some steel balls from being stuck in the gap between the cylindrical rods 18, making the steel balls move more smoothly and improving work efficiency.

[0034] The inner wall surfaces of the plurality of filter frames 12 are all provided with engaging grooves 21 , and the corresponding rectangular frames 17 are movably engaged in the engaging grooves 21 , and the rectangular frames 17 movably penetrate the front ends of the corresponding filter frames 12 .

[0035] Specifically, by providing snap-fit ​​grooves 21 on the inner wall surface of the filter frame 12, the rectangular frame 17 movably passes through the front end of the corresponding filter frame 12 and snaps into the corresponding snap-fit ​​groove 21. This structural design facilitates the replacement of the filter screening disc unit 13 as a whole, thereby improving the practicability of the device.

[0036] The limiting part is a rectangular block 20 fixedly mounted on the front end wall of the rectangular frame 17, and the stopper part is a limiting stopper 23 fixed to the front end of the filter frame 12 by bolts and nuts. The limiting stopper 23 is T-shaped, and a rectangular engaging groove 21 is provided on the axis of the limiting stopper 23, and the rectangular block 20 movably passes through the corresponding limiting stopper 23 through the engaging groove 21.

[0037] Specifically, the limiting portion is set to be a rectangular block 20 fixedly mounted on the front end wall of the rectangular frame 17, the block portion is a limiting block 23 fixed to the front end of the filter frame 12 by bolts and nuts, a rectangular engaging groove 21 is provided on the axis of the limiting block 23, and the rectangular block 20 penetrates the corresponding limiting block 23 through the engaging groove, which is convenient for positioning the rectangular frame 17, and the limiting block 23 is fixed to the filter frame 12 by bolts and nuts, so that the rectangular frame 17 is limited and fixed in the engaging groove 21. The structure is simple to disassemble and install, and is convenient to replace.

[0038] The working principle of a filtering structure and an automated steel ball screening device of the present application is as follows: steel balls are poured into the cavity of the top filter frame 12, and the eccentric motor 24 works to vibrate the bottom box 10 and multiple filter frames 12, and the steel balls with large diameters roll into the corresponding discharge box 15, and the steel balls with small diameters fall from the gap between two adjacent cylindrical rods 18. There are differences in the diameters of the cylindrical rods 18 on multiple filter screening disc units 13, and the diameters of the cylindrical rods 18 decrease from the upper layer to the lower layer, so that the steel balls are screened according to the different diameters. The screening device of the prior art usually fixes the cylindrical rods 18 by welding, and the user cannot replace them by themselves to meet the work requirements. For this reason, the present application designs a replaceable filter screening disc unit 13, and the filter screening disc unit 13 is movably engaged with the filter frame 12, and a limit assembly 14 is provided between the filter frame 12 and the filter screening disc unit 13. The filter frame 12 is fixed in position by a limiter 21, which saves users the cost of purchasing a new device. The inner wall surface of the filter frame 12 is provided with a snap-fitting groove 21, and the rectangular frame 17 movably passes through the front end of the corresponding filter frame 12 and is snap-fitted in the corresponding snap-fitting groove 21. This structural design facilitates the replacement of the filter screening disc unit 13 as a whole, thereby improving the practicability of the device. The limiter portion is provided as a rectangular block 20 fixedly mounted on the front end wall surface of the rectangular frame 17, and the block portion is a limiter block 23 fixed to the front end of the filter frame 12 by bolts and nuts. A rectangular snap-fitting groove 21 is provided on the axis of the limiter block 23, and the rectangular block 20 movably passes through the corresponding limiter block 23 through the snap-fitting groove, which is convenient for positioning the rectangular frame 17. The limiter block 23 is fixed to the filter frame 12 by bolts and nuts, so that the rectangular frame 17 is fixed in position in the snap-fitting groove 21. This structure is simple to disassemble and install, and is convenient to replace.

[0039] 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, and the above embodiments and descriptions are only for explaining 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, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A filtering structure, characterized in that: include: A bottom box (10), wherein the bottom box (10) is a rectangular box with an open top, and a discharge nozzle (26) is connected through the right side of the bottom box (10); A filter box, wherein the filter box is arranged above the bottom box (10), the number of the filter boxes is multiple, and the filter boxes are composed of a filter frame (12) and a filter screening disc unit (13), the filter screening disc unit (13) is integrally movable and penetrates the filter frame (12), and the filter screening disc unit (13) can be withdrawn from the filter frame (12), the filter screening disc unit (13) comprises a rectangular frame (17) and cylindrical rods (18) fixedly installed in the cavity of the rectangular frame (17) and distributed at equal intervals, the diameters of the cylindrical rods (18) on the multiple filter screening disc units (13) are different, and the diameter of the cylindrical rods (18) decreases from the upper layer to the lower layer; A limit assembly (14) is arranged between the filter frame (12) and the filter screening disc unit (13) and is used to limit and fix the filter screening disc unit (13). The limit assembly (14) comprises a stopper portion fixedly mounted on the filter frame (12) and a limiter portion fixedly mounted on the side of the rectangular frame (17). The limiter portion and the stopper portion are in a movable engagement relationship.

2. The filtering structure according to claim 1, characterized in that: The plurality of filter frames (12) are all in a "U" shape, a connecting plate (22) is fixedly connected between both ends of the U shape of the filter frame (12), the connecting plate (22) is in an "L" shape, and a discharge box (15) is fixedly connected to the right side of the filter frame (12), and the discharge port angles of the discharge box (15) on different filter frames (12) are different.

3. The filtering structure according to claim 1, characterized in that: An arc-shaped groove (19) is provided on a wall surface of one side of the rectangular frame (17) close to the corresponding discharge box (15), and the arc-shaped groove (19) is wavy.

4. The filtering structure according to claim 1, characterized in that: The inner wall surfaces of the plurality of filter frames (12) are all provided with engaging grooves (21), the engaging grooves (21) movably engage with corresponding rectangular frames (17), and the rectangular frames (17) movably penetrate the front ends of the corresponding filter frames (12).

5. The filtering structure according to claim 1, characterized in that: The limiting portion is a rectangular block (20) fixedly mounted on the front end wall of the rectangular frame (17), and the stopper portion is a limiting stopper (23) fixed to the front end of the filter frame (12) by means of bolts and nuts.

6. The filtering structure according to claim 5, characterized in that: The position-limiting block (23) is T-shaped, and a rectangular engaging groove (21) is provided through the axis of the position-limiting block (23). The rectangular block (20) movably passes through the corresponding position-limiting block (23) through the engaging groove (21).

7. An automated steel ball screening device, characterized in that: It comprises a support assembly and a filtering structure as described in any one of claims 1 to 6, wherein the support assembly comprises a support column (25) fixedly mounted on the ground and a first partition plate fixedly mounted on the front and rear sides of a bottom box (10), a second partition plate fixedly connected to the top end of the support column (25), a compression spring fixedly connected between the first partition plate and the second partition plate, fixed piles fixedly connected to the front and rear side walls of the bottom box (10), the fixed piles being located above the corresponding first partition plates, the fixed piles and the first partition plates being fixed by a U-shaped clamp, and an eccentric motor (24) fixedly mounted on the bottom end wall of the bottom box (10).

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