CN213288556U - Sand adding device for casting - Google Patents

Abstract

The utility model discloses a casting adds sand device relates to casting technical field, the novel nipple rectifier comprises a cylindrical shel, the opening has been seted up at the upper surface middle part of barrel, open-ended upper surface fixed connection has into sand hopper, the inside upper end of barrel is provided with first sand crushing roller and second sand crushing roller, second sand crushing roller is located the back of first sand crushing roller, the right-hand member of first sand crushing roller and the right-hand member of second sand crushing roller all rotate with the right side inner wall of barrel through the bearing and are connected, the left end of first sand crushing roller and the left end of second sand crushing roller are first pivot of fixedly connected with and second pivot respectively. The utility model discloses a setting up first garrulous sand roller and second garrulous sand roller, can crush big sand block in the casting sand that just will pour into, convenient follow-up screening can filter the great sand block of granule for the first time through setting up first screen cloth, sets up the casting sand granule that refines that the second screen cloth can be further, has guaranteed the product quality after the casting shaping, has improved cast efficiency.

Description

Sand adding device for casting

Technical Field

The utility model relates to a casting technical field specifically is a casting adds sand device.

Background

Casting is a relatively early metal hot working process mastered by human beings, and has a history of about 6000 years. China has entered the full prosperity of bronze castings approximately 1700 to the first 1000 years of the Gregorian, and has reached a fairly high level in technology. Casting refers to a processing mode of melting solid metal into liquid, pouring the liquid into a casting mold with a specific shape, and solidifying and forming the liquid. The cast metal comprises copper, iron, aluminum, tin, lead and the like, and the common casting mold is made of raw sand, clay, water glass, resin and other auxiliary materials.

The casting sand is a commonly used material in casting, the fineness and uniformity of the casting sand directly influence the quality of a cast product, so that the quality of the cast product is poor, even if a screening process is carried out in a general device, gravels with large particles after screening are not easy to remove, a screen is easy to block, the working efficiency of the removing process is low, and meanwhile, a worker has certain danger in the removing process.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a casting adds sand device has solved the great grit of the current casting that provides in the above-mentioned background art and has added sand device and be difficult for cleaing away, very easily blocks up the screen cloth moreover, and the process work efficiency of cleaing away is low, clears away the process at the workman simultaneously and also has certain dangerous problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a casting sand adding device comprises a barrel body, wherein an opening is formed in the middle of the upper surface of the barrel body, a sand feeding hopper is fixedly connected to the upper surface of the opening, a first sand crushing roller and a second sand crushing roller are arranged at the upper end inside the barrel body, the second sand crushing roller is positioned on the back side of the first sand crushing roller, the right end of the first sand crushing roller and the right end of the second sand crushing roller are rotatably connected with the inner wall of the right side of the barrel body through bearings, the left end of the first sand crushing roller and the left end of the second sand crushing roller are respectively and fixedly connected with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft penetrate through the inner wall of the left side of the barrel body and extend to the outside of the barrel body, a driving gear is fixedly connected to the left end of the first rotating shaft, a driven gear is fixedly connected to the left end of the second rotating shaft, the driving gear is meshed with the driven gear, a first fixing, the upper surface of the first fixing plate is fixedly provided with a first servo motor, the output end of the first servo motor is fixedly connected with the first sand crushing roller through a first rotating shaft, the lower parts of the first sand crushing roller and the second sand crushing roller are provided with an annular funnel, the lower part of the annular funnel is provided with a first screen and a second screen, the lower surface of the left end of the first screen is provided with a first supporting plate, the left end of the first screen is hinged with the upper surface of the first supporting plate through a hinge post, the lower surface of the left end of the second screen is provided with a second supporting plate, the left end of the second screen is hinged with the upper surface of the second supporting plate through a hinge post, the middle part of the inner wall of the right side of the cylinder body is fixedly connected with an installation block, the left side of the installation block is provided with a groove, the front inner wall and the back inner wall of the groove are both provided with sliding grooves, and the insides of, two through connecting plate fixed connection between the slider, the right-hand member of first screen cloth is articulated with the left side upper end of connecting plate, the right-hand member of second screen cloth and the left side lower extreme fixed connection of connecting plate, the right side lower extreme fixedly connected with second fixed plate of barrel, the last fixed surface of second fixed plate installs second servo motor, second servo motor's output and third pivot fixed connection, the one end that the output shaft was kept away from in the third pivot runs through the right side wall of barrel and extends to the inside of barrel, the one end fixedly connected with cam of third pivot, the maximum lift department of cam and the right-hand member lower surface contact of second screen cloth, the sand outlet has been seted up at the inner diapire middle part of barrel.

Further, first screen cloth and second screen cloth are arranged from last to bottom in proper order, the left side of first screen cloth and the left side of second screen cloth all leave the space with the left side inner wall of barrel.

Further, the lower surface of the second support plate is fixedly connected with the inner bottom wall of the barrel, a discharge channel is formed by the second support plate and the inner wall of the left side of the barrel, a discharge port is formed in the left side of the inner bottom wall of the barrel, and the discharge channel is communicated with the discharge port.

Further, the equal fixedly connected with support column in lower surface four corners department of barrel, the inner wall fixed connection of ring funnel and barrel, the leak has been seted up at ring funnel's middle part.

Furthermore, a gap is reserved between the first sand crushing roller and the second sand crushing roller, and the size of the grid of the first screen is larger than that of the grid of the second screen.

Further, the front and the back of the first supporting plate are fixedly connected with the front inner wall and the back inner wall of the barrel respectively, and the front and the back of the second supporting plate are fixedly connected with the front inner wall and the back inner wall of the barrel respectively.

Further, the cam is located below the mounting block.

(III) advantageous effects

The utility model provides a casting adds sand device possesses following beneficial effect:

(1) this casting adds sand device through setting up first garrulous sand roller and second garrulous sand roller, can crush big sand lump in the casting sand that just will pour into, makes things convenient for follow-up screening, can filter the great sand lump of granule for the first time through setting up first screen cloth, sets up the casting sand granule that refines that the second screen cloth can be further, has guaranteed the product quality after the casting shaping, has improved cast efficiency.

(2) This casting adds sand device, through setting up second servo motor, the cam, the installation piece, the slider, spout and connecting plate, screening in-process second servo motor drives the cam and rotates, the cam drives second screen cloth up-and-down motion, because the left end of first screen cloth articulates on first backup pad, the left end of second screen cloth articulates in the second backup pad, the right-hand member of first screen cloth articulates on the connecting plate and the right-hand member fixed connection of second screen cloth is on the connecting plate, the connecting plate passes through slider sliding connection on the spout, consequently, the rotation of cam can drive first screen cloth and second screen cloth and shake from top to bottom, make unable filterable sand can be shaken in the left discharge passage, get rid of through the discharge port at last, can use manpower sparingly like this, the efficiency of screening is improved, people's safety has also been guaranteed.

Drawings

FIG. 1 is a schematic perspective view of a casting sand-adding device according to the present invention;

FIG. 2 is a schematic structural view of the casting sand-adding device of the present invention;

FIG. 3 is a schematic view of a sectional structure of a casting sand feeder according to the present invention;

FIG. 4 is a schematic top sectional view of the casting sand adding apparatus of the present invention;

fig. 5 is an enlarged schematic structural view of a position a in fig. 3 of the casting sand adding device of the present invention.

In the figure: 1. a barrel; 2. a sand inlet hopper; 3. a first sand crushing roller; 4. a second sand crushing roller; 5. a driving gear; 6. a driven gear; 7. a first servo motor; 8. a first fixing plate; 9. a ring-shaped funnel; 10. a first screen; 11. a first support plate; 12. mounting blocks; 13. a connecting plate; 14. a second screen; 15. a second support plate; 16. a groove; 17. a slider; 18. a second fixing plate; 19. a second servo motor; 20. A cam; 21. a support pillar; 22. a sand outlet; 23. and a discharge port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-5, the present invention provides a technical solution:

a casting sand adding device comprises a cylinder body 1, wherein supporting columns 21 are fixedly connected at four corners of the lower surface of the cylinder body 1, an opening is formed in the middle of the upper surface of the cylinder body 1, a sand inlet hopper 2 is fixedly connected to the upper surface of the opening, a first sand crushing roller 3 and a second sand crushing roller 4 are arranged at the upper end of the interior of the cylinder body 1, a gap is reserved between the first sand crushing roller 3 and the second sand crushing roller 4, large sand blocks in poured casting sand can be crushed through the arrangement of the first sand crushing roller 3 and the second sand crushing roller 4, subsequent screening is facilitated, the second sand crushing roller 4 is positioned on the back of the first sand crushing roller 3, the right end of the first sand crushing roller 3 and the right end of the second sand crushing roller 4 are rotatably connected with the inner wall of the right side of the cylinder body 1 through bearings, a first rotating shaft and a second rotating shaft are fixedly connected to the left end of the first sand crushing roller 3 and the left end of the second sand crushing roller 4 respectively, the first rotating shaft and the second rotating shaft penetrate through the inner wall of the left side of the cylinder body 1 and extend, a driving gear 5 is fixedly connected at the left end of the first rotating shaft, a driven gear 6 is fixedly connected at the left end of the second rotating shaft, the driving gear 5 is meshed with the driven gear 6, a first fixing plate 8 is fixedly connected at the upper end of the left side of the barrel body 1, a first servo motor 7 is fixedly installed on the upper surface of the first fixing plate 8, the output end of the first servo motor 7 is fixedly connected with the first sand crushing roller 3 through the first rotating shaft, an annular funnel 9 is arranged below the first sand crushing roller 3 and the second sand crushing roller 4, the annular funnel 9 is fixedly connected with the inner wall of the barrel body 1, a leakage opening is formed in the middle of the annular funnel 9, a first screen mesh 10 and a second screen mesh 14 are arranged below the annular funnel 9, the first screen mesh 10 and the second screen mesh 14 are sequentially arranged from top to bottom, the mesh size of the first screen mesh 10 is larger than that of the second screen 14, a space is reserved between the left side of the first screen 10 and the left side of the second, the sand block with larger particles can be filtered for the first time by arranging the first screen mesh 10, the casting sand particles can be further refined by arranging the second screen mesh 14, the product quality after casting forming is ensured, and the casting efficiency is improved, the lower surface of the left end of the first screen mesh 10 is provided with the first support plate 11, the front surface and the back surface of the first support plate 11 are respectively and fixedly connected with the front inner wall and the back inner wall of the cylinder 1, the left end of the first screen mesh 10 is hinged with the upper surface of the first support plate 11 through a hinge column, the lower surface of the left end of the second screen mesh 14 is provided with the second support plate 15, the front surface and the back surface of the second support plate 15 are respectively and fixedly connected with the front inner wall and the back inner wall of the cylinder 1, the lower surface of the second support plate 15 is fixedly connected with the inner bottom wall of the cylinder 1, the second support plate 15 forms a discharge channel with the left inner wall of the cylinder, the discharge channel is communicated with a discharge port 23, the left end of the second screen 14 is hinged with the upper surface of a second support plate 15 through a hinge column, the middle part of the inner wall of the right side of the cylinder body 1 is fixedly connected with an installation block 12, the left side of the installation block 12 is provided with a groove 16, the front inner wall and the back inner wall of the groove 16 are both provided with sliding grooves, the insides of the two sliding grooves are respectively and slidably connected with a sliding block 17, the two sliding blocks 17 are fixedly connected through a connecting plate 13, the right end of the first screen 10 is hinged with the upper end of the left side of the connecting plate 13, the right end of the second screen 14 is fixedly connected with the lower end of the left side of the connecting plate 13, the lower end of the right side of the cylinder body 1 is fixedly connected with a second fixing plate 18, the upper surface of the second fixing plate 18 is fixedly provided with a second servo motor 19, the output end, one end of the third rotating shaft is fixedly connected with a cam 20, the cam 20 is positioned below the mounting block 12, the maximum lift position of the cam 20 is contacted with the lower surface of the right end of the second screen 14, the middle part of the inner bottom wall of the barrel 1 is provided with a sand outlet 22, by arranging a second servo motor 19, the cam 20, the mounting block 12, a slide block 17, a slide groove and a connecting plate 13, because the left end of the first screen 10 is hinged on the first supporting plate 11, the left end of the second screen 14 is hinged on the second supporting plate 15, the right end of the first screen 10 is hinged on the connecting plate 13 and the right end of the second screen 14 is fixedly connected on the connecting plate 13, the connecting plate 13 is connected inside the slide groove in a sliding manner through the slide block 17, the second servo motor 19 drives the cam 20 to rotate through the third rotating shaft in the screening process, the maximum lift position of the cam 20 drives the second screen 14 to move upwards, when the cam 20 returns, the first screen 10, therefore, the rotation of the cam 20 can drive the first screen mesh 10 and the second screen mesh 14 to vibrate up and down, so that sand which cannot be filtered can be vibrated into a left discharge channel and finally discharged through the discharge port 23, and refined sand can be discharged through the sand outlet 22 for collection, thereby saving manpower, improving the screening efficiency and ensuring the safety of people.

The working principle of the casting sand adding device is that when the casting sand adding device is used, an external power supply is firstly switched on, so that a first servo motor 7 and a second servo motor 19 are electrified to work, casting sand is poured into the barrel body 1 from a sand inlet hopper 2, the casting sand firstly passes through a gap between a first sand crushing roller 3 and a second sand crushing roller 4, as an output shaft of the first servo motor 7 drives a rotating shaft to rotate clockwise, the rotating shaft drives the first sand crushing roller 3 to rotate clockwise and simultaneously drives a driving gear 5 to rotate clockwise, the driving gear 5 drives a driven gear 6 to rotate anticlockwise, the driven gear 6 drives the rotating shaft and the second sand crushing roller 4 to rotate anticlockwise, large sand is crushed, then the casting sand falls onto a first screen mesh 10 through a leakage opening of an annular funnel 9, at the moment, as the second servo motor 19 rotates, the output shaft of the second servo motor 19 drives the rotating shaft to rotate, and the rotating shaft drives a driving cam 20 to rotate, the cam 20 drives the second screen 14 to move up and down, because the left end of the first screen 10 is hinged on the first support plate 11, the left end of the second screen 14 is hinged on the second support plate 15, the right end of the first screen 10 is hinged with the upper end of the left side of the connecting plate 13, the right end of the second screen 14 is fixedly connected with the lower end of the left side of the connecting plate 13, the connecting plate 13 is connected on the chute in a sliding way through the slide block 17, the connecting plate 13 can drive the slide block 17 to move up and down in the chute due to the up and down movement of the second screen 14 of the cam 20, the rotation of the cam 20 may cause the first and second screens 10 and 14 to vibrate up and down, so that the sand that cannot be filtered is filtered and vibrated into the discharge passage on the left side and finally discharged through the discharge port 23, and the fine-grained sand falls to the inner bottom wall of the tub 1 through the mesh of the second screen 14 and is collected through the sand outlet 22.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The casting sand adding device comprises a barrel body (1) and is characterized in that an opening is formed in the middle of the upper surface of the barrel body (1), a sand inlet hopper (2) is fixedly connected to the upper surface of the opening, a first sand crushing roller (3) and a second sand crushing roller (4) are arranged at the upper end of the interior of the barrel body (1), the second sand crushing roller (4) is located on the back face of the first sand crushing roller (3), the right end of the first sand crushing roller (3) and the right end of the second sand crushing roller (4) are rotatably connected with the inner wall of the right side of the barrel body (1) through bearings, a first rotating shaft and a second rotating shaft are fixedly connected to the left end of the first sand crushing roller (3) and the left end of the second sand crushing roller (4) respectively, penetrate through the inner wall of the left side of the barrel body (1) and extend to the exterior of the barrel body (1), a driving gear (5) is connected to the left end of the first rotating shaft, the left end of the second rotating shaft is fixedly connected with a driven gear (6), the driving gear (5) is meshed with the driven gear (6), the upper end of the left side of the barrel body (1) is fixedly connected with a first fixing plate (8), the upper surface of the first fixing plate (8) is fixedly provided with a first servo motor (7), the output end of the first servo motor (7) is fixedly connected with a first sand crushing roller (3) through a first rotating shaft, a ring-shaped funnel (9) is arranged below the first sand crushing roller (3) and a second sand crushing roller (4), a first screen (10) and a second screen (14) are arranged below the ring-shaped funnel (9), the lower surface of the left end of the first screen (10) is provided with a first supporting plate (11), the left end of the first screen (10) is hinged with the upper surface of the first supporting plate (11) through a hinged column, a second supporting plate (15) is arranged on the lower surface of the left end of the second screen (14), the left end of the second screen (14) is hinged to the upper surface of the second supporting plate (15) through a hinged column, a mounting block (12) is fixedly connected to the middle of the inner wall of the right side of the barrel body (1), a groove (16) is formed in the left side of the mounting block (12), sliding grooves are formed in the inner wall of the front side and the inner wall of the back side of the groove (16), sliding blocks (17) are connected to the inner parts of the two sliding grooves in a sliding mode, the two sliding blocks (17) are fixedly connected through a connecting plate (13), the right end of the first screen (10) is hinged to the upper end of the left side of the connecting plate (13), the right end of the second screen (14) is fixedly connected to the lower end of the left side of the connecting plate (13), and a second fixing, the last fixed surface of second fixed plate (18) installs second servo motor (19), the output and the third pivot fixed connection of second servo motor (19), the one end that the output shaft was kept away from in the third pivot runs through the right side wall of barrel (1) and extends to the inside of barrel (1), the one end fixedly connected with cam (20) of third pivot, the maximum lift department of cam (20) and the right-hand member lower surface contact of second screen cloth (14), sand outlet (22) have been seted up at the inner bottom wall middle part of barrel (1).

2. A foundry sanding device according to claim 1,

first screen cloth (10) and second screen cloth (14) are arranged from last to bottom in proper order, the left side of first screen cloth (10) and the left side of second screen cloth (14) all leave the space with the left side inner wall of barrel (1).

3. A foundry sanding device according to claim 1,

the lower surface of second backup pad (15) and the interior diapire fixed connection of barrel (1), second backup pad (15) and the left side inner wall of barrel (1) form discharge passage, discharge port (23) have been seted up on the left side of diapire in barrel (1), discharge passage and discharge port (23) intercommunication.

4. A foundry sanding device according to claim 1,

the equal fixedly connected with support column (21) of lower surface four corners department of barrel (1), the inner wall fixed connection of ring funnel (9) and barrel (1), the leak has been seted up at the middle part of ring funnel (9).

5. A foundry sanding device according to claim 1,

gaps are reserved between the first sand crushing roller (3) and the second sand crushing roller (4), and the size of the meshes of the first screen (10) is larger than that of the meshes of the second screen (14).

6. A foundry sanding device according to claim 1,

the front and the back of the first supporting plate (11) are fixedly connected with the front inner wall and the back inner wall of the barrel body (1) respectively, and the front and the back of the second supporting plate (15) are fixedly connected with the front inner wall and the back inner wall of the barrel body (1) respectively.

7. A foundry sanding device according to claim 1,

the cam (20) is located below the mounting block (12).

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