CN212596058U

CN212596058U - Molding sand pulverizer

Info

Publication number: CN212596058U
Application number: CN202021053045.2U
Authority: CN
Inventors: 邵伟平
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-26
Anticipated expiration: 2030-06-09

Abstract

A molding sand pulverizer comprises a shell, wherein the shell is of an inverted barrel-shaped structure, a bottom plate is fixed on the bottom surface of the shell, the bottom plate is of a disc-type structure, small holes are densely distributed in the middle of the bottom plate, a plurality of locking holes are formed in the outer edge of the bottom plate, a blanking groove is fixed on the bottom surface of the bottom plate, a support is installed on the upper surface of the outer edge of the bottom plate in a matched mode, the inner end face of the support is matched with the outer circumferential face of the shell, and the support, the bottom plate and the blanking groove are locked through bolts and nuts at the same time; a driving unit is fixed at the upper part in the shell, the output end of the driving unit is connected with a speed changing unit through a first rotating shaft, the speed changing unit is supported on the inner wall of the shell through a supporting rod, a second rotating shaft is output below the speed changing unit, a scraper is installed on the second rotating shaft, and the scraper is located on the upper surface of the bottom plate; and a feed inlet is formed in one side of the upper part of the shell. Convenient realization is smashed the molding sand of caking automatically, and work efficiency is high.

Description

Molding sand pulverizer

Technical Field

The utility model belongs to the technical field of rubbing crusher technique and specifically relates to a molding sand rubbing crusher.

Background

In the real standard of sand casting, often need use the molding sand, the molding sand is long just caking, so need often turn over the crushing molding sand of molding sand at real standard in-process, when the molding sand after the molding is recycled, also need pulverize the molding sand simultaneously.

In the practical training of sand casting, because practical training site range limits and used molding sand amount are not many, so the general teaching site is that students often turn over and smash the molding sand with the iron shovel, and such operation is both time-consuming and laborious, also can not be fine whole smashing of molding sand. Affecting the effect of reuse.

SUMMERY OF THE UTILITY MODEL

The applicant provides a molding sand pulverizer with a reasonable structure aiming at the defects in the prior art, so that agglomerated molding sand can be automatically pulverized conveniently, and the working efficiency is high.

The utility model discloses the technical scheme who adopts as follows:

a molding sand pulverizer comprises a shell, wherein the shell is of an inverted barrel-shaped structure, a bottom plate is fixed on the bottom surface of the shell, the bottom plate is of a disc-type structure, small holes are densely distributed in the middle of the bottom plate, a plurality of locking holes are formed in the outer edge of the bottom plate, a blanking groove is fixed on the bottom surface of the bottom plate, a support is installed on the upper surface of the outer edge of the bottom plate in a matched mode, the inner end face of the support is matched with the outer circumferential face of the shell, and the support, the bottom plate and the blanking groove are locked through bolts and nuts at the same time;

a driving unit is fixed at the upper part in the shell, the output end of the driving unit is connected with a speed changing unit through a first rotating shaft, the speed changing unit is supported on the inner wall of the shell through a supporting rod, a second rotating shaft is output below the speed changing unit, a scraper is installed on the second rotating shaft, and the scraper is located on the upper surface of the bottom plate;

the outer circumferential surface of the first rotating shaft is uniformly provided with a plurality of first crushing rods at intervals, the plurality of layers of first crushing rods are distributed at intervals up and down in the axial direction of the first rotating shaft, the inner wall surface of the shell is uniformly provided with a plurality of second crushing rods at intervals, the plurality of layers of second crushing rods are distributed at intervals up and down on the wall surface of the shell, and meanwhile, each layer of first crushing rods and each layer of second crushing rods are arranged in a staggered mode in the up-down position;

and a feed inlet is formed in one side of the upper part of the shell.

The further technical scheme is as follows:

the first crushing rod and the second crushing rod are both in a conical structure.

The bottom of the charging chute extends with a charging sloping plate.

Three brackets are evenly arranged on the outer circumferential surface of the bottom of the shell at intervals.

The switch is installed to the outer wall surface of support, and the switch is connected with drive unit electrical property.

The utility model has the advantages as follows:

the utility model has the advantages of compact structure, it is reasonable, high durability and convenient operation, rotation through the first pivot of drive unit control, it takes place rotatoryly to drive first crushing stick, the cooperation work of stick is smashed to first crushing stick and second, make the inside molding sand of shell that gets into take place to smash, molding sand after smashing directly discharges from the aperture of bottom plate, the effect through the scraper blade of not direct discharge, pulverize once more, then discharge from the aperture of bottom plate, high durability and convenient use, high work efficiency, the manual work has been saved, save working time, greatly improve work efficiency, reduce the raise dust and to environmental pollution, the molding sand granule of smashing out is even, guarantee that the molding sand of retrieving meets the requirements.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an installation diagram of the first crushing rod of the present invention.

Wherein: 1. a housing; 2. a drive unit; 3. a speed change unit; 4. a support bar; 5. a squeegee; 6. a support; 7. a bolt; 8. a nut; 9. a base plate; 901. a locking hole; 902. a small hole; 10. a charging chute; 1001. a blanking sloping plate; 11. a first crushing bar; 12. a second crushing bar; 13. a first rotating shaft; 14. a switch; 15. a second rotating shaft; 16. and (4) feeding a material inlet.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 2 and 3, the molding sand pulverizer of the present embodiment includes a housing 1, the housing 1 is an inverted barrel-shaped structure, a bottom plate 9 is fixed on the bottom surface of the housing 1, the bottom plate 9 is a disc-shaped structure, small holes 902 are densely distributed in the middle of the bottom plate 9, a plurality of locking holes 901 are formed in the outer edge of the bottom plate 9, a chute 10 is fixed on the bottom surface of the bottom plate 9, a bracket 6 is installed on the upper surface of the outer edge of the bottom plate 9 in a matching manner, the inner end surface of the bracket 6 is matched with the outer circumferential surface of the housing 1, and the bracket 6, the bottom plate 9 and the chute 10 are locked by bolts 7;

a driving unit 2 is fixed at the upper part in the shell 1, the output end of the driving unit 2 is connected with a speed changing unit 3 through a first rotating shaft 13, the speed changing unit 3 is supported on the inner wall of the shell 1 through a supporting rod 4, a second rotating shaft 15 is output at the lower part of the speed changing unit 3, a scraper 5 is installed on the second rotating shaft 15, and the scraper 5 is positioned on the upper surface of the bottom plate 9;

the rotating speed of the first rotating shaft 13 is reduced by the speed changing unit 3 and then is output to the second rotating shaft 15, and the second rotating shaft 15 drives the scraper 5 to scrape on the upper surface of the bottom plate 9 in a rotating manner;

a plurality of first crushing rods 11 are uniformly arranged on the outer circumferential surface of the first rotating shaft 13 at intervals, a plurality of layers of the first crushing rods 11 are vertically distributed on the axial direction of the first rotating shaft 13 at intervals, a plurality of second crushing rods 12 are uniformly arranged on the inner wall surface of the shell 1 at intervals, a plurality of layers of the second crushing rods 12 are vertically distributed on the wall surface of the shell 1 at intervals, and meanwhile, each layer of the first crushing rods 11 and each layer of the second crushing rods 12 are staggered in the vertical direction;

a feed inlet 16 is formed in one side of the upper portion of the shell 1, and an inclined flow guide opening is formed below the feed inlet 16, so that molding sand can enter conveniently.

The first crushing rod 11 and the second crushing rod 12 are both conical in structure.

A blanking sloping plate 1001 extends from the bottom of the blanking trough 10.

Three brackets 6 are evenly arranged on the outer circumferential surface of the bottom of the shell 1 at intervals.

The switch 14 is installed on the outer wall surface of the bracket 6, and the switch 14 is electrically connected with the driving unit 2.

The utility model discloses a concrete structure and function as follows:

comprises a bracket 6, a shell 1, a crushing rod, a scraper 5 and other parts.

The bracket 6 is fixedly connected with the shell 1 to support the whole device,

the vertical shell 1 is of an inverted barrel-shaped structure, a bottom plate 9 is installed at the lower end of the shell 1, small holes 902 are densely distributed in the bottom plate 9, a blanking groove 10 is installed below the bottom plate 9, and a blanking inclined plate 1001 is arranged at the bottom of the blanking groove 10, so that crushed molding sand can be conveniently guided to flow out in sequence.

The inside top rigid coupling of shell 1 has drive unit 2, and drive unit 2 is connected with speed change unit 3 through first pivot 13, and speed change unit 3 is fixed with the inner wall of shell 1 through bracing piece 4, and the output of speed change unit 3 below has second pivot 15, and second pivot 15 and scraper blade 5 rigid coupling, scraper blade 5 are located the upper surface of bottom plate 9.

The driving unit 2 drives the first rotating shaft 13 to rotate, so as to drive the first crushing rod 11 to rotate, and after the rotating speed of the first rotating shaft 13 is reduced by the speed changing unit 3, the scraper 5 is driven by the second rotating shaft 15 to rotate above the bottom plate 9.

In the actual use process:

when the molding sand of caking needs to be smashed, only need open rubbing crusher's switch 14, make first crushing rod 11 along with first pivot 13 is rotatory fast, pour the molding sand in feed inlet 16 department, the molding sand of caking down falls on the bottom plate 9 of below after the first crushing rod 11 of quick rotation breaks up, tiny sand grain passes through aperture 902 on the bottom plate 9 and falls into chute 10 down, the molding sand that has not yet been broken up is further broken up by rotatory scraper blade 5 on bottom plate 9, then fall into in chute 10 through aperture 902 and discharge. Convenient use, simple and convenient manufacture, high working efficiency, thorough crushing and low cost.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. A molding sand pulverizer is characterized in that: the anti-theft device is characterized by comprising a shell (1), wherein the shell (1) is of an inverted barrel-shaped structure, a bottom plate (9) is fixed on the bottom surface of the shell (1), the bottom plate (9) is of a disc type structure, small holes (902) are densely distributed in the middle of the bottom plate (9), a plurality of locking holes (901) are formed in the outer edge of the bottom plate (9), a blanking groove (10) is fixed on the bottom surface of the bottom plate (9), a support (6) is installed on the upper surface of the outer edge of the bottom plate (9) in a matched mode, the inner end surface of the support (6) is matched with the outer circumferential surface of the shell (1), and the support (6), the bottom plate (9) and the blanking groove (10) are locked through bolts (7) and;

a driving unit (2) is fixed at the upper part in the shell (1), the output end of the driving unit (2) is connected with a speed changing unit (3) through a first rotating shaft (13), the speed changing unit (3) is supported on the inner wall of the shell (1) through a supporting rod (4), a second rotating shaft (15) is output below the speed changing unit (3), a scraper (5) is installed on the second rotating shaft (15), and the scraper (5) is located on the upper surface of the bottom plate (9);

a plurality of first crushing rods (11) are uniformly arranged on the outer circumferential surface of the first rotating shaft (13) at intervals, a plurality of layers of the first crushing rods (11) are vertically distributed on the axial direction of the first rotating shaft (13) at intervals, a plurality of second crushing rods (12) are uniformly arranged on the inner wall surface of the shell (1) at intervals, a plurality of layers of the second crushing rods (12) are vertically distributed on the wall surface of the shell (1) at intervals, and meanwhile, each layer of the first crushing rods (11) and each layer of the second crushing rods (12) are arranged in a staggered mode in the vertical direction;

a feeding hole (16) is formed in one side of the upper portion of the shell (1).

2. The sand pulverizer as claimed in claim 1, wherein: the first crushing rod (11) and the second crushing rod (12) are both in a conical structure.

3. The sand pulverizer as claimed in claim 1, wherein: the bottom of the blanking groove (10) extends to form a blanking sloping plate (1001).

4. The sand pulverizer as claimed in claim 1, wherein: three supports (6) are uniformly arranged on the outer circumferential surface of the bottom of the shell (1) at intervals.

5. The sand pulverizer as claimed in claim 1, wherein: the switch (14) is installed on the outer wall surface of the support (6), and the switch (14) is electrically connected with the driving unit (2).