Casting waste sand cleaning device

Abstract

The utility model discloses a casting waste sand cleaning device, which relates to the technical field of casting waste sand cleaning, and comprises a base, a feeding cylinder is fixedly mounted on the base, a conveying component is arranged in the feeding cylinder, a first filter box is arranged above the feeding cylinder, the first filter box is fixedly mounted on the base through a stand column, and a second filter box is arranged above the stand column. A first filter box is fixedly mounted at the outlet end of the feeding barrel, a filter assembly is mounted in the first filter box, a feeding port of the feeding barrel is communicated with the interior of the first filter box, a second filter box is fixedly mounted at the outlet end of the feeding barrel, a magnetic separation assembly is arranged in the second filter box, and a collecting box is mounted at the end, away from the feeding barrel, of the second filter box in a matched mode. According to the design scheme, due to the design that the magnetic separation assembly is installed in the second filter box, waste sand is subjected to secondary screening through the magnetic separation assembly, rust can be conveyed into the collecting box through the magnetic separation assembly to be collected after secondary screening, and therefore scrap iron small in size is filtered out from the waste sand, and secondary use is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning waste sand of castings, in particular to a cleaning device for cleaning waste sand of castings. Background Art

[0002] Castings are metal objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and then cooled and polished to obtain objects with certain shapes, sizes and properties. Waste casting sand belongs to the category of solid waste, and the existing equipment cannot be recycled, resulting in a large amount of material waste.

[0003] CN 219786469 U discloses a cleaning device for waste sand of precision castings, comprising: a supporting base, specifically, the supporting base comprises a base and supporting legs, the supporting base is provided with four supporting legs, and the four supporting legs are equidistantly fixed on the top of the base; a buffer mechanism is provided on the supporting base, and is used for buffering the vibration generated when the device is in operation; a processing cylinder is provided on the buffer mechanism, and is used for processing the waste sand; a top cover is fixedly provided on the top of the processing cylinder, and is used for blocking dust generated in the process of crushing the waste sand; a driving mechanism is provided on the processing cylinder, and is used for conveying kinetic energy; a guide inclined plate is fixedly provided on the bottom end of the inner wall of the processing cylinder, and is used for guiding the crushed waste sand.

[0004] The above-mentioned cleaning device performs the first crushing of waste sand of different specifications through the cooperation of the third crushing blade and the rotating shaft, and then screens the waste sand through filtering through the filter screen, and then the waste sand falls from the filter screen, and is crushed for the second time through the cooperation of the second crushing blade and the two crushing rollers until it becomes powder. The solenoid valve at the top of the discharge port is opened to discharge the processed waste sand for recycling. However, some smaller iron filings in the waste sand cannot be screened out through the filter screen and will still be mixed in the processed waste sand, affecting its secondary use. Utility Model Content

[0005] In order to overcome the above-mentioned defects in the prior art, the utility model provides a casting waste sand cleaning device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a casting waste sand cleaning device, comprising a base, a feed barrel is fixedly installed on the base, a conveying assembly is arranged in the feed barrel, a first filter box is arranged above the feed barrel, the first filter box is fixedly installed on the base through a column, a filter assembly is installed in the first filter box, the feed port of the feed barrel is connected with the interior of the first filter box, a second filter box is fixedly installed on the outlet end of the feed barrel, a magnetic separation assembly is arranged in the second filter box, and a collection box is cooperated with the end of the second filter box away from the feed barrel.

[0007] Furthermore, the filter assembly includes a fixed frame, a filter net is fixedly installed on the inner side of the fixed frame, a side plate is provided on the outer wall of the fixed frame, the side plate is slidably installed on the side wall of the first filter box, a spring is fixedly installed on the bottom of the side plate, the bottom end of the spring is connected to the bottom of the side wall of the first filter box, a first motor is fixedly installed on the left side of the first filter box, a cam is fixedly installed on the power output shaft of the first motor, and the cam abuts against the side plate on the left side of the fixed frame.

[0008] Furthermore, the conveying assembly includes an auger, which is rotatably installed in the feeding barrel, and a second motor is fixedly installed at one end of the base away from the second filter box, and a power output shaft of the second motor is connected to the rotating shaft of the auger.

[0009] Furthermore, the magnetic separation assembly includes a magnetic separation roller, which rotates in a second filter box, a first pulley is fixedly installed on the front shaft of the second filter box, a third motor is fixedly installed on the bottom of the second filter box, a second pulley is fixedly installed on the power output shaft of the third motor, and the first pulley and the second pulley are connected by a belt.

[0010] Furthermore, a scraper is provided on one side of the collecting box close to the magnetic separation roller, and the scraper abuts against the surface of the magnetic separation roller.

[0011] Furthermore, a discharge pipe is provided at the rear side of the second filter box.

[0012] The beneficial effect of the utility model is that the design of the utility model is designed to install a magnetic separation component in the second filter box. The waste sand from the casting is poured into the first filter box, and the waste sand is screened once through the filter net. The screened waste sand falls to the bottom of the first filter box, enters the feeding barrel through the feed port, and is transported to the second filter box through the conveying component. The material in the second filter box is screened for the second time through the magnetic separation component. After the secondary screening, the rust will be transported to the collection box for collection through the magnetic separation component, thereby filtering out smaller iron filings from the waste sand to avoid affecting the secondary use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is the front view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] Figure 4 for Figure 3 Schematic diagram of the cross-section structure in the AA direction;

[0018] Figure 5 It is a structural schematic diagram of the cam and the side plate of the utility model.

[0019] In the figure: 1. base, 2. feeding barrel, 3. first filter box, 4. column, 5. second filter box, 6. collecting box, 7. fixing frame, 8. filter screen, 9. side plate, 10. spring, 11. first motor, 12. cam, 13. auger, 14. second motor, 15. magnetic separation roller, 16. first pulley, 17. third motor, 18. second pulley, 19. belt, 20. scraper, 21. discharge pipe. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0021] according to Figure 1-5 As shown, a casting waste sand cleaning device includes a base 1, a feed barrel 2 is fixedly installed on the base 1, a conveying assembly is arranged in the feed barrel 2, a first filter box 3 is arranged above the feed barrel 2, the first filter box 3 is fixedly installed on the base 1 through a column 4, a filter assembly is installed in the first filter box 3, the feed port of the feed barrel 2 is connected with the interior of the first filter box 3, a second filter box 5 is fixedly installed at the outlet end of the feed barrel 2, a magnetic separation assembly is arranged in the second filter box 5, and a collecting box 6 is installed at the end of the second filter box 5 away from the feed barrel 2.

[0022] In the above specific implementation manner, the waste sand from castings is poured into the first filter box 3, and the waste sand is screened once by the filter screen 8. The screened waste sand falls to the bottom of the first filter box 3, enters the feeding tube 2 through the feed port, and is transported to the second filter box 5 by the conveying component. The material in the second filter box 5 is screened for the second time by the magnetic separation component. After the secondary screening, the rust will be transported to the collection box 6 by the magnetic separation component for collection, thereby filtering out the smaller iron filings from the waste sand to avoid affecting the secondary use.

[0023] In this embodiment, the filter assembly includes a fixed frame 7, a filter screen 8 is fixedly installed on the inner side of the fixed frame 7, a side plate 9 is provided on the outer wall of the fixed frame 7, the side plate 9 is slidably installed on the side wall of the first filter box 3, a spring 10 is fixedly installed on the bottom of the side plate 9, the bottom end of the spring 10 is connected to the bottom of the side wall of the first filter box 3, a first motor 11 is fixedly installed on the left side of the first filter box 3, a cam 12 is fixedly installed on the power output shaft of the first motor 11, the cam 12 is abutted against the side plate 9 on the left side of the fixed frame 7, the cam 12 is driven to rotate by the first motor 11, and the fixed frame 7 moves back and forth as a whole up and down with the cooperation of the cam 12 and the spring 10, and the waste sand is vibrated and screened through the filter screen 8.

[0024] In this embodiment, the conveying assembly includes an auger 13, which is rotatably installed in the feeding barrel 2. A second motor 14 is fixedly installed at one end of the base 1 away from the second filter box 5. The power output shaft of the second motor 14 is connected to the rotating shaft of the auger 13 through a coupling. The auger 13 is driven to rotate by the second motor 14, and the waste sand in the feeding barrel 2 enters the second filter box 5 from the outlet end of the feeding barrel 2 under the action of the auger 13.

[0025] In this embodiment, the magnetic separation component includes a magnetic separation roller 15, which rotates in the second filter box 5. A first pulley 16 is fixedly installed on the front shaft of the second filter box 5, a third motor 17 is fixedly installed on the bottom of the second filter box 5, and a second pulley 18 is fixedly installed on the power output shaft of the third motor 17. The first pulley 16 and the second pulley 18 are connected by a belt 19, and the power of the third motor 17 is transmitted to the magnetic separation roller 15 through the belt 19, so that the magnetic separation roller 15 is driven to rotate counterclockwise by the third motor 17. The magnetic separation roller 15 is magnetic, and iron filings in the waste sand will be adsorbed on the magnetic separation roller 15, thereby screening out the iron filings in the waste.

[0026] In this embodiment, a scraper 20 is provided on the side of the collecting box 6 close to the magnetic separation roller 15, and the scraper 20 abuts against the surface of the magnetic separation roller 15. The iron filings adsorbed on the surface of the magnetic separation roller 15 will be scraped off by the scraper 20 when they move to the scraper 20, and the scraped iron filings will fall into the collecting box 6 for collection.

[0027] In this embodiment, a discharge pipe 21 is provided at the rear side of the second filter box 5, and the waste sand in the second filter box 5 after secondary screening is discharged from the discharge pipe 21 for subsequent treatment.

[0028] The specific working process of the utility model is as follows: the staff pours the waste sand of the casting into the first filter box 3, the waste sand accumulates on the filter screen 8, and the filter screen 8 is driven to vibrate by the first motor 11. The waste sand is screened once by the filter screen 8, and the screened waste sand falls to the bottom of the first filter box 3, enters the feed barrel 2 through the feed port, and then the auger 13 is driven to rotate by the second motor 14. The waste sand in the feed barrel 2 enters the second filter box 5 from the outlet end of the feed barrel 2 under the action of the auger 13. The iron filings in the waste sand will be adsorbed on the magnetic separation roller 15, and the magnetic separation roller 15 is driven to rotate counterclockwise by the third motor 17. The iron filings on the surface of the magnetic separation roller 15 are shoveled off by the scraper 20 and fall into the collection box 6 for collection. The remaining waste sand is discharged from the second filter box 5 through the discharge pipe 21 for subsequent processing, thereby avoiding the iron filings affecting the secondary use of the waste sand.

[0029] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A casting waste sand cleaning device, comprising a base (1), characterized in that: A feeding barrel (2) is fixedly mounted on the base (1), a conveying assembly is arranged inside the feeding barrel (2), a first filter box (3) is arranged above the feeding barrel (2), the first filter box (3) is fixedly mounted on the base (1) through a column (4), a filter assembly is installed inside the first filter box (3), the feed port of the feeding barrel (2) is connected to the interior of the first filter box (3), a second filter box (5) is fixedly mounted at the outlet end of the feeding barrel (2), a magnetic separation assembly is arranged inside the second filter box (5), and a collecting box (6) is installed in cooperation with the end of the second filter box (5) away from the feeding barrel (2).

2. A casting waste sand cleaning device according to claim 1, characterized in that: The filter assembly comprises a fixed frame (7), a filter screen (8) is fixedly mounted on the inner side of the fixed frame (7), a side plate (9) is provided on the outer wall of the fixed frame (7), the side plate (9) is slidably mounted on the side wall of the first filter box (3), a spring (10) is fixedly mounted on the bottom of the side plate (9), the bottom end of the spring (10) is connected to the bottom of the side wall of the first filter box (3), a first motor (11) is fixedly mounted on the left side of the first filter box (3), a cam (12) is fixedly mounted on the power output shaft of the first motor (11), and the cam (12) abuts against the side plate (9) on the left side of the fixed frame (7).

3. A casting waste sand cleaning device according to claim 2, characterized in that: The conveying assembly comprises an auger (13), the auger (13) being rotatably mounted in the feeding barrel (2), a second motor (14) being fixedly mounted on one end of the base (1) away from the second filter box (5), and a power output shaft of the second motor (14) being connected to a rotating shaft of the auger (13).

4. A casting waste sand cleaning device according to claim 3, characterized in that: The magnetic separation assembly comprises a magnetic separation roller (15), the magnetic separation roller (15) rotates in a second filter box (5), a first pulley (16) is fixedly mounted on the front shaft of the second filter box (5), a third motor (17) is fixedly mounted on the bottom of the second filter box (5), a second pulley (18) is fixedly mounted on the power output shaft of the third motor (17), and the first pulley (16) and the second pulley (18) are connected via a belt (19).

5. A casting waste sand cleaning device according to claim 4, characterized in that: A scraper (20) is provided on one side of the collecting box (6) close to the magnetic separation roller (15), and the scraper (20) abuts against the surface of the magnetic separation roller (15).

6. A casting waste sand cleaning device according to claim 5, characterized in that: A discharge pipe (21) is provided on the rear side of the second filter box (5).

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