CN218742358U

CN218742358U - Surface grinding device for recovering precoated sand

Info

Publication number: CN218742358U
Application number: CN202222973485.5U
Authority: CN
Inventors: 方超群; 江少波
Original assignee: Quzhou Xinrui Machinery Co ltd
Current assignee: Quzhou Xinrui Machinery Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-28
Anticipated expiration: 2032-11-09

Abstract

The utility model provides a pair of surface grinding device is used in tectorial membrane sand recovery, including feeder hopper, screw elevator, grinding barrel, grinding mechanism and collection dirt mechanism, one side of feeder hopper is connected with screw elevator's bottom one side, grinding barrel is connected with screw elevator's opposite side, grinding barrel's bottom slope is provided with the stock guide, grinding barrel's bottom is located the below of stock guide and is provided with the stock guide, grinding barrel's inside is connected with the grinding groove through the board that gathers materials, grinding mechanism includes pneumatic cylinder, spacing, grinding head and driving motor, and wherein the pneumatic cylinder is located grinding barrel's top, and the pneumatic cylinder is located grinding barrel and is connected with spacing, and spacing bottom and grinding head rotate and be connected, the grinding head is located spacing and is connected with driving motor, spacing top sliding connection through a plurality of gag lever posts and grinding barrel, collection dirt mechanism includes suction hood, dust bag, seal box and air exhauster.

Description

Surface grinding device for recovering precoated sand

Technical Field

The utility model belongs to the technical field of the tectorial membrane sand surface grinding, concretely relates to tectorial membrane sand is retrieved and is used surface grinder.

Background

The precision casting mold manufactured by using the precoated sand can be used for precision casting, and the quality and precision of a cast part are improved, so the precision casting mold is widely applied to the field of industrial manufacturing.

The scrapped precoated sand mold can be subjected to the working procedures of crushing, dust removal, iron removal and the like after being recovered to be changed into precoated sand again, and the resin is wrapped on the outer surface of the precoated sand, so that the precoated sand needs to be ground to remove the resin on the surface, and a pure natural sand core is obtained to facilitate recycling production.

When the existing precoated sand grinding device is used for grinding, the precoated sand has different sizes due to different sizes of precoated sand cores, and the precoated sand is ground unevenly and incompletely at present only once, so that the resin layer on the surface of the precoated sand is poor in removal effect; in addition, the conventional polishing apparatus cannot remove the polished resin during the polishing process, and the sand core and the polished resin are mixed together after the coated sand is polished, and therefore, the sand core and the polished resin need to be separated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the background art, the utility model provides a tectorial membrane sand is retrieved and is used surface grinder.

The utility model provides a pair of surface grinding device is used to tectorial membrane sand recovery, construct its characterized in that including feeder hopper, screw elevator, grinding barrel, grinding mechanism and collection dirt mechanism: one side of feeder hopper is connected with spiral elevator's bottom one side, and the junction is provided with first feed inlet, the grinding barrel is connected with spiral elevator's opposite side, and the junction is provided with second feed inlet and third feed inlet, the bottom slope of grinding barrel is provided with the stock guide, be provided with a plurality of first blanking holes on the stock guide, the below that the bottom of grinding barrel is located the stock guide is provided with the guide block, one side that the grinding barrel is located the guide block is provided with the discharge gate, the inside of grinding barrel is connected with the grinding groove through the aggregate plate, the bottom of grinding groove is provided with a plurality of second blanking holes, grinding mechanism includes pneumatic cylinder, spacing frame, grinding head and driving motor, and wherein the pneumatic cylinder is located the top of grinding barrel, and the pneumatic cylinder is located the grinding barrel and is connected with spacing frame, and spacing frame's bottom rotates with the rotation to be connected, the grinding head is located spacing frame and is connected with driving motor, spacing frame is through the top sliding connection of a plurality of spacing pole and grinding barrel, dust collecting mechanism includes suction hood, sealing box, and dust collecting bag, sealing box is located the dust collecting box inboard through the dust collecting box.

As an improvement, the spiral elevator is a numerically-set spiral feeder.

As an improvement, the height of the material guide plate at one side close to the spiral elevator is lower, the upper surface of the material guide block is obliquely arranged, the upper surface of the material guide block is lower at one side of the discharge port, and the upper surface of the material guide block and the bottom of the discharge port are positioned on the same plane.

As a refinement, the diameter of the plurality of first blanking holes is larger than the diameter of the plurality of second blanking holes.

As an improvement, the second feed inlet is positioned on one side above the grinding barrel and above the material collecting plate.

As an improvement, the third feed port is located on one side of the bottom of the grinding barrel, and the bottom of the third feed port and the upper end face of the material guide plate are located on the same plane.

As the improvement, the material collecting plate is obliquely arranged, the lowest part of the material collecting plate is connected with the grinding groove, and the dust hood is positioned below the connection part of the material collecting plate and the grinding groove.

As an improvement, a support is arranged above the limiting frame, the top of the support is connected with a hydraulic cylinder, and the driving motor is located between the support and the limiting frame.

As an improvement, the grinding head is matched with a grinding groove in shape, the grinding groove is in an inverted frustum shape, grinding surfaces are arranged on the side surfaces of the grinding groove and the grinding head, a first bevel gear is arranged at the top of the grinding head, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is connected with a driving motor.

As an improvement, a plurality of dust collection holes on the inner side of the dust collection cover are covered with filter screens, and the diameters of meshes of the filter screens are larger than the diameters of the first blanking holes and smaller than the diameters of the second blanking holes.

The utility model has the advantages that:

1. when the grinding device is used for grinding, the diameter of the precoated sand is adjusted through extension and retraction of the hydraulic cylinder, the precoated sand falls onto the guide plate through a plurality of first blanking holes at the bottom of the grinding groove, the qualified precoated sand core falls onto a guide block below through a plurality of second blanking holes on the guide plate and is discharged through the discharge hole, the unqualified precoated sand core moves to a third feed opening through the inclined guide plate and is lifted to the second feed opening through the spiral feeder to continue to enter the grinding groove for secondary grinding, so that the ground precoated sand core can be more uniform, and the effect of taking out a resin layer is better;

2. this grinder is when grinding, and a plurality of first unloading holes through the grinding pit bottom make the resin layer drop simultaneously with the psammitolite of tectorial membrane sand to at the in-process that drops, through inside a plurality of dust absorption holes of air exhauster with the suction hood inhale the back with resin piece and get into inside the dust bag, thereby collect the resin piece who grinds out, need not additionally separate resin piece.

Drawings

FIG. 1 is a view showing the structure of a surface grinder for precoated sand recovery according to the present invention.

FIG. 2 is a sectional view of the surface grinder for precoated sand recycling according to the present invention.

FIG. 3 is a structural view of a grinding mechanism of the surface grinding device for precoated sand recycling according to the present invention.

( 1. A feed hopper; 2. a screw elevator; 3. a grinding barrel; 4. a material guide plate; 5. a plurality of first blanking apertures; 6. a material guide block; 7. a first feed port; 8. a second feed port; 9. a third feed port; 10. a discharge port; 11. a grinding groove; 12. a material collecting plate; 13. a plurality of second blanking apertures; 14. a hydraulic cylinder; 15. a limiting frame; 16. a grinding head; 17. a drive motor; 18. a plurality of stop levers; 19. a dust hood; 20. a dust collection bag; 21. a sealing box; 22. an exhaust fan; 23. a dust collection pipe; 24. a plurality of dust suction holes; 25. a support; 26. a first bevel gear; 27. second bevel gear )

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the grinding machine comprises a feed hopper 1, a spiral elevator 2, a grinding barrel 3, a grinding mechanism and a dust collecting mechanism, wherein one side of the feed hopper 1 is connected with one side of the bottom of the spiral elevator 2, a first feed port 7 is arranged at the joint, the grinding barrel 3 is connected with the other side of the spiral elevator 2, a second feed port 8 and a third feed port 9 are arranged at the joint, a guide plate 4 is obliquely arranged at the bottom of the grinding barrel 3, a plurality of first blanking holes 5 are arranged on the guide plate 4, a guide block 6 is arranged below the guide plate 4 at the bottom of the grinding barrel 3, a discharge port 10 is arranged at one side of the guide block 6 of the grinding barrel 3, the grinding barrel 3 is internally connected with a grinding groove 11 through a material collecting plate 12, a plurality of second blanking holes 13 are arranged at the bottom of the grinding groove 11, the grinding mechanism comprises a hydraulic cylinder 14, a limiting frame 15, a driving motor 16 and a driving motor 17, wherein the hydraulic cylinder 14 is arranged at the top of the grinding barrel 3, the hydraulic cylinder 14 is connected with the limiting frame 15, the grinding head 15 is rotatably connected with a dust collecting cover 20, a dust collecting cover 21 is arranged at the top of the grinding barrel 3, and a dust collecting cover 20 is arranged at the top of the grinding mechanism, and a dust collecting cover 20, the dust collecting cover 20 is arranged at the dust collecting cover 20, and a dust collecting cover 20.

Example 1:

the recycled precoated sand is scattered and then placed into the feed hopper 1, the recycled precoated sand enters the spiral elevator 2 through the first feed inlet 7, the precoated sand in the feed hopper 1 is lifted to the second feed inlet 8 to enter the grinding barrel 3 through the spiral elevator 2, the precoated sand is concentrated to the grinding groove 11 along the aggregate plate 12 after entering the grinding barrel 3, the distance between the grinding head 16 and the grinding groove 11 is adjusted through stretching out and retracting of the hydraulic cylinder 14, the grinding diameter of the precoated sand is adjusted, the unqualified precoated sand core falls onto the guide plate 4 through the first blanking holes 5 at the bottom of the grinding groove 11 after being ground, the qualified precoated sand core falls onto the guide block 6 below through the second blanking holes 13 on the guide plate 4 and is discharged through the discharge port 10, the unqualified precoated sand core moves to the third feed inlet 9 through the inclined guide plate 4, the unqualified precoated sand core is lifted to the second feed inlet through the spiral elevator, and then continues to enter the grinding groove 11 for secondary grinding, the ground precoated sand core can be more uniform, and the resin layer can be taken out better.

Example 2:

during the polishing, the driving motor 17 rotates the second bevel gear 27, and further rotates the first bevel gear 26 engaged therewith, and rotates the polishing head 16 connected to the bottom, thereby polishing the coated sand between the polishing head 16 and the polishing surface on the side of the polishing groove 11.

Example 3:

the tectorial membrane sand is grinding the back through the abrasive surface between grinding groove 11 and grinding head 16, make the resin layer drop simultaneously with the psammitolite of tectorial membrane sand through a plurality of first unloading hole 5 of grinding groove 11 bottom, and at the in-process that drops, it is inside to get into dust bag 20 after inhaling the resin piece through a plurality of dust absorption holes 24 of air exhauster 22 with the inside suction hood 19, and block the psammitolite of tectorial membrane sand through the filter screen, thereby collect the resin piece who grinds out, do not need additionally to separate the resin piece, one side of seal box 21 is provided with the chamber door, can change dust bag 20 through opening the chamber door, and dust bag 20 is connected with the dust-collecting tube through the ribbon, dust bag 20 is the non-woven bag.

The present invention and the embodiments thereof have been described above, but the present invention is not limited to the above description, and what is shown in the detailed description is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a tectorial membrane sand is retrieved and is used surface grinder, includes feeder hopper (1), screw elevator (2), grinding barrel (3), grinds mechanism and collection dirt mechanism, its characterized in that: one side of the feed hopper (1) is connected with one side of the bottom of the spiral elevator (2), a first feed inlet (7) is arranged at the joint, the grinding barrel (3) is connected with the other side of the spiral elevator (2), a second feed inlet (8) and a third feed inlet (9) are arranged at the joint, a guide plate (4) is obliquely arranged at the bottom of the grinding barrel (3), a plurality of first blanking holes (5) are formed in the guide plate (4), a guide block (6) is arranged below the guide plate (4) at the bottom of the grinding barrel (3), a discharge port (10) is arranged at one side of the guide block (6) of the grinding barrel (3), a grinding groove (11) is connected inside the grinding barrel (3) through a material collecting plate (12), a plurality of second blanking holes (13) are formed in the bottom of the grinding groove (11), the grinding mechanism comprises a hydraulic cylinder (14), a limiting frame (15), a grinding head (16) and a driving motor (17), wherein the hydraulic cylinder (14) is arranged at the top of the grinding barrel (3), the limiting frame (15) is connected with the grinding head (16), and the grinding motor (17), the top sliding connection of gag lever post (15) through a plurality of gag lever posts (18) and grinding barrel (3), collection dirt mechanism includes suction hood (19), dust bag (20), seal box (21) and air exhauster (22), and wherein suction hood (19) are located the below of grinding groove (11), and the one end of suction hood (19) is passed through dust absorption pipe (23) and is connected with dust bag (20), dust bag (20) are located the inside of seal box (21), and air exhauster (22) are located the top of seal box (21), the inboard of suction hood (19) is provided with a plurality of dust absorption holes (24).

2. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the height of one side, close to the spiral elevator (2), of the material guide plate (4) is lower, the upper surface of the material guide block (6) is arranged in an inclined mode, the upper surface of the material guide block (6) is located on the lower side of the discharge port (10), and the upper surface of the material guide block (6) and the bottom of the discharge port (10) are located on the same plane.

3. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the diameters of the first blanking holes (5) are larger than the diameters of the second blanking holes (13).

4. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the second feed inlet (8) is positioned on one side above the grinding barrel (3) and above the material collecting plate (12).

5. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the third feed port (9) is positioned on one side of the bottom of the grinding barrel (3), and the bottom of the third feed port (9) and the upper end face of the material guide plate (4) are positioned on the same plane.

6. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the material collecting plate (12) is obliquely arranged, the lowest part of the material collecting plate (12) is connected with the grinding groove (11), and the dust hood (19) is positioned below the joint of the material collecting plate (12) and the grinding groove (11).

7. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: a support (25) is arranged above the limiting frame (15), the top of the support (25) is connected with the hydraulic cylinder (14), and the driving motor (17) is located between the support (25) and the limiting frame (15).

8. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the grinding head (16) is matched with the grinding groove (11) in shape, the grinding groove (11) is of an inverted frustum shape, grinding surfaces are arranged on the side surfaces of the grinding groove (11) and the grinding head (16), a first bevel gear (26) is arranged at the top of the grinding head (16), a second bevel gear (27) is meshed with the first bevel gear (26), and the second bevel gear (27) is connected with a driving motor (17).

9. The surface grinding device for precoated sand recovery according to claim 1, characterized in that: the dust hood (19) is located that a plurality of dust absorption holes (24) of inboard cover has the filter screen, the mesh diameter of filter screen is greater than with the diameter of a plurality of first unloading holes (5), and is less than the diameter of a plurality of second unloading holes (13).