CN214288529U

CN214288529U - Clay sand molding sand crusher

Info

Publication number: CN214288529U
Application number: CN202023245930.3U
Authority: CN
Inventors: 王洋; 董小林
Original assignee: Rongcheng Fubang Metal Technology Co ltd
Current assignee: Rongcheng Fubang Metal Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-28
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a clay sand molding sand breaker, include: the device comprises a base, a dust removal system, a feeding pipe, an inner cylinder, an intermediate cylinder, an outer cylinder and a motor; the feeding pipe extends into the inner cylinder body from the upper part and is used for conveying sand grains to the inner cylinder body, and a plurality of first discharge ports are circumferentially arranged on the wall of the inner cylinder body; the middle cylinder is arranged outside the inner cylinder and fixedly connected with the inner cylinder, a first storage gap is formed between the middle cylinder and the inner cylinder, a second discharge hole is formed in the cylinder wall of the middle cylinder, and a plurality of blades are uniformly arranged on the cylinder wall of the middle cylinder in the circumferential direction; the outer barrel sets up in middle barrel outside, is formed with the second storage clearance between outer barrel and the middle barrel, is equipped with a third discharge gate on the section of thick bamboo wall of outer barrel, and the third discharge gate outside is equipped with a steel sheet. This breaker can increase substantially the crushing efficiency and the crushing effect to clay sand, molding sand, and has fabulous dustproof effect.

Description

Clay sand molding sand crusher

Technical Field

The utility model relates to a cast relevant technical field specifically is a clay sand molding sand breaker.

Background

In the foundry industry, clay sand, molding sand, and the like need to be crushed. At present, the most common crushing mode of each large manufacturer is a hammer crushing mode, namely, a pile of flying hammers are used for beating sand grains for crushing. The crushed fine sand is filtered and falls through a filter screen at the lower part. However, in the above structure, on one hand, the impact of the structure is limited, the hammering efficiency is low, the crushing rate is difficult to meet the use requirement, and multiple hammering is needed; on the other hand, when metal exists in the sand grains, the metal is difficult to crush, and large metal particles cannot leak out through the filter screen at the lower part, so that the large metal particles are clamped on the filter screen, the blanking is easy to cause difficulty, the filter screen is easy to break when the large metal particles are hammered, and the like; in addition, in the conventional crushing mode, the generated dust is extremely large, a high-power dust removal system needs to be configured, and the effect is very little. Therefore, there is a need for a new crusher to improve crushing efficiency and crushing effect on clay sand, molding sand, and the like.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model discloses combine prior art, set out from practical application, provide a clay sand molding sand breaker, this breaker can increase substantially the crushing efficiency and the crushing effect to clay sand, molding sand, and has fabulous dustproof effect.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a clay sand molding sand crusher comprising: the device comprises a base, a dust removal system, a feeding pipe, an inner cylinder, an intermediate cylinder, an outer cylinder and a motor;

the feeding pipe extends into the inner cylinder from the upper part and is used for conveying sand grains to the inner cylinder, and a plurality of first discharge holes are circumferentially arranged on the cylinder wall of the inner cylinder;

the middle cylinder is arranged outside the inner cylinder and fixedly connected with the inner cylinder, a first storage gap is formed between the middle cylinder and the inner cylinder, a second discharge hole is formed in the cylinder wall of the middle cylinder, and a plurality of blades are uniformly arranged on the cylinder wall of the middle cylinder in the circumferential direction;

the outer cylinder body is arranged outside the middle cylinder body, the outer cylinder body is fixed on the base, the upper part of the outer cylinder body is sealed through the arranged cover plate, a second storage gap is formed between the outer cylinder body and the middle cylinder body, a third discharge hole is formed in the cylinder wall of the outer cylinder body, and a steel plate is arranged outside the third discharge hole;

the motor is connected to the middle cylinder through the main shaft and is used for driving the middle cylinder and the inner cylinder to rotate at a high speed;

and a dust removal pipeline of the dust removal system penetrates through the cover plate on the outer cylinder body and extends into the outer cylinder body.

Further, the outlet direction of the third discharge port is arranged along the tangential direction of the cylinder wall of the outer cylinder body.

Further, a lower bearing is arranged on the bottom surface of the outer cylinder, and the lower part of the main shaft is supported by the lower bearing.

Furthermore, the bottom of the middle cylinder is provided with a clamping seat, the clamping seat is fixedly connected with the middle cylinder, and the clamping seat is clamped on the main shaft and is fixedly connected with the main shaft, so that the transmission of torque is realized.

Furthermore, a plurality of fastening screws are circumferentially arranged on the clamping seat and penetrate through the clamping seat to be screwed to the main shaft, so that the clamping seat is fixedly connected with the main shaft.

Further, the main shaft upwards penetrates through the inner cylinder and extends into the feeding pipe, and the main shaft and the feeding pipe are coaxially arranged;

the feeding pipe penetrates through the cover plate and is fixedly connected with the cover plate, an upper bearing is arranged in the feeding pipe, and the upper part of the main shaft is supported by the upper bearing.

Further, a bearing seat is arranged at the center of the interior of the feeding pipe, and an upper bearing is arranged on the bearing seat;

the bearing seat is fixedly connected with the inner wall of the feeding pipe through a plurality of connecting rods arranged in the circumferential direction, and a gap for materials to pass through is formed between every two adjacent connecting rods.

Further, be equipped with a plurality of puddlers at this section that lies in the conveying pipe on the main shaft, the puddler all sets up a plurality ofly along main shaft circumferential direction and axial direction, and the puddler is used for the material to carry out preliminary smashing the material when passing through the conveying pipe.

Furthermore, a flange plate is arranged outside the feeding pipe, and the feeding pipe is fixedly connected with the cover plate through the flange plate.

Furthermore, the dust removal pipeline of the dust removal system is of an inverted Y-shaped structure, two air suction openings corresponding to the two branch pipelines at the lower part extend into the outer cylinder body, and the feed inlet of the feed pipe is positioned between the two branch pipelines of the inverted Y-shaped dust removal pipeline.

The utility model has the advantages that:

1. in the utility model, when the inner cylinder rotates, sand can be thrown out to the first storage gap from the first discharge port at a high speed, the sand can be partially crushed when the inner cylinder contacts with the inner wall of the inner cylinder, when the inner cylinder enters the first storage gap, along with the rotation of the inner cylinder and the middle cylinder, the sand can be crushed again when being touched with the side walls at two sides in the gap, after the sand enters the second storage gap through the second discharge port, the sand is taken out at a high speed by the blades rotating along with the middle cylinder, and is sprayed out at a high speed from the third discharge port, and the sprayed sand is directly beaten on an external steel plate to be thoroughly crushed; therefore, the utility model discloses in, the sand grain is in a great deal with by successive layer crushing and successive layer acceleration, throws at the sand grain and can reach quite high percentage of damage before by the breaker, carries out thorough crushing through outside steel sheet once more when the sand grain is thrown at a high speed, and is visible, compares in traditional structure, and this breaker can increase substantially the operating efficiency, and crushing effect can guarantee 100% use basically.

2. The utility model discloses in, among the whole crushing process of sand grain, dust such as the impurity that contains is lighter, consequently can upwards play at centrifugal force effect, takes away the realization dust removal through the dust removal pipeline that upper portion set up, and whole raise dust is all accomplished at outer barrel internal processing, and consequently the dust removal effect is fabulous, and need not powerful dust collecting equipment.

3. The utility model discloses in, fully considered structural design's rationality, through compact structural layout, can all support the upper and lower both ends of main shaft to each spare part is stable, firm problem inadequately under the high-speed operation that avoids simple lower part to support to lead to. Moreover, in the utility model, the high-speed rotation of the main shaft is fully utilized, and the stirring rod is arranged on the main shaft inside the feeding pipe, so that massive sand grains can be primarily crushed during blanking, and the operation efficiency is further improved; and simultaneously, the utility model relates to a rationally distributed, mutually noninterfere between dust removal pipeline structure and the conveying pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the layout structure of the inner cylinder;

FIG. 3 is a schematic view of the arrangement structure of the bearing seat inside the feeding pipe of the present invention;

fig. 4 is a schematic diagram of the stirring rod arrangement structure of the present invention.

Reference numerals shown in the drawings:

1. a base; 2. an outer cylinder; 3. a second storage gap; 4. a blade; 5. a second discharge port; 6. a first discharge port; 7. a cover plate; 8. a motor; 9. a lower bearing; 10. a clamping seat; 11. a steel plate; 12. a third discharge port; 13. a middle cylinder; 14. a first storage gap; 15. an inner cylinder; 16. a stirring rod; 17. an upper bearing; 18. a feed pipe; 19. a connecting rod; 20. a dust removal pipeline; 21. a bearing seat; 22. a flange plate; 23. a main shaft.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

As shown in fig. 1-4, the related structure of a clay sand molding sand crusher provided by the embodiments of the present invention is schematically illustrated.

This breaker mainly includes: the device comprises a base 1, a dust removal system, a feeding pipe 18, an inner barrel 15, a middle barrel 13, an outer barrel 2 and a motor 8, wherein the feeding pipe 18 is vertically arranged and extends into the middle of the inner barrel 15 from the upper part and is used for conveying sand grains to the inner barrel 15, a plurality of first discharge holes 6 are circumferentially arranged on the barrel wall of the inner barrel 15, a plurality of first discharge holes 6 are arranged, so that the materials can conveniently enter a first storage gap 14, when the inner barrel 15 rotates, the sand grains are thrown out of the first discharge holes 6 in the inner barrel 15 through centrifugal force, and meanwhile, the sand grains can be crushed when colliding with the inner wall of the inner barrel 15 at high speed; middle barrel 13 sets up in the outside of interior barrel 15 and with interior barrel 15 fixed connection, forms first storage clearance 14 between middle barrel 13 and the 15 of interior barrel, is equipped with a second discharge gate 5 on the section of thick bamboo wall of middle barrel 13, and has evenly arranged a plurality of blades 4 in the section of thick bamboo wall circumference of middle barrel 13. When the middle cylinder 13 rotates at a high speed, sand grains inside the middle cylinder can be thrown out through the second discharge port 5, only one first discharge port 5 is arranged, the detention time of the materials at the inner end of the first material storage gap 14 is ensured, when the middle cylinder 13 rotates, the materials rotate at a high speed along with the rotation of the middle cylinder, when the middle cylinder 13 touches the side wall of the inner cylinder 15, the materials can be further crushed, and through the two crushing processes, the sand grains can basically achieve the crushing effect; when the sand grains are sprayed out from the second discharge port 5, the sand grains are pushed by the blades 4 rotating at high speed, so that the sand grains can form a collision relation with the blades, and the effect of further crushing is achieved. Outer barrel 2 sets up in middle barrel 13 outsidely, outer barrel 2 is fixed in on the base 1, 2 upper portions of outer barrel seal through apron 7 that sets up, form second storage clearance 3 between outer barrel 2 and the middle barrel 13, the material is after getting into second storage clearance 3, high-speed pivoted blade 4 drives the material and can rotate at second storage clearance 3, when it through the third discharge gate 12 that sets up on 2 section of thick bamboo walls of outer barrel, the material is thrown at a high speed, the third discharge gate 12 outside is equipped with a steel sheet 11, the sand grain high speed is beaten and is carried out further crushing on the steel sheet. Therefore, in this structure, the sand grain is sent into the back by conveying pipe 18, throws out to steel sheet 11 at last through many crushing processes and smashes once more, can reach fabulous crushing effect.

The utility model discloses in, motor 8 is connected to middle barrel 13 through main shaft 23 for barrel 13 and the high-speed rotation of interior barrel 15 in the middle of the drive, motor 8 slew velocity can reach 2000 and give birth to 3000 changes. The dust removing pipeline 20 of the dust removing system passes through the cover plate 7 on the outer cylinder body 2 and extends into the outer cylinder body 2. Because the sand grain is at crushing in-process, dust etc. can directly be raised to the top of outer barrel 2, directly take away the processing with the raise dust through dust removal pipeline 20 convulsions can reach fabulous dust removal effect.

In order to guarantee the speed of sand grain departure, the utility model discloses in, the export direction of third discharge gate 12 sets up along the section of thick bamboo wall tangential direction of outer barrel 2, directly beats on opposite steel sheet 11 after the sand grain departure.

The utility model discloses in, set up lower bearing 9 on the 2 bottom surfaces of outer barrel, main shaft 23 lower part is supported through lower bearing 9, guarantees the nimble rotation of main shaft 23. Barrel 13 bottom sets up holder 10 in the middle of, holder 10 and middle barrel 13 fixed connection, holder 10 centre gripping on main shaft 23 and with main shaft 23 fixed connection, its connected mode is: a plurality of fastening screws are arranged on the circumference of the clamping seat 10, penetrate through the clamping seat 10 and are screwed to the main shaft 23, and the torque is transmitted through a plurality of screws (or pin shafts). The structural design mode is convenient for the operations of integral installation, assembly and the like.

When the main shaft 23 is supported only by the lower portion, the weight of the rotating member of the cylinder connected thereto is heavy in the case of high-speed operation, and thus the connection of the parts is not firm, and the parts are easily damaged. Therefore, the main shaft 23 of the utility model upwards passes through the inner cylinder 15 and extends into the feeding pipe 18, and the main shaft 23 and the feeding pipe 18 are coaxially arranged; the feeding pipe 18 penetrates through the cover plate 7 and is fixedly connected with the cover plate 7, an upper bearing 17 is arranged in the feeding pipe 18, and the upper part of the main shaft 23 is supported by the upper bearing 17. In this structure, ingenious utilization the space in the conveying pipe 18, provided the upper portion support to main shaft 23, so make main shaft 23 all have bearing structure from top to bottom, guaranteed this breaker's reliable and stable operation. The utility model discloses in, the installation of upper bearing 17 is realized through following structure: a bearing seat 21 is arranged at the center inside the feeding pipe 18, and the upper bearing 17 is arranged on the bearing seat 21; the bearing seat 21 is fixedly connected with the inner wall of the feeding pipe 18 through a plurality of connecting rods 19 arranged in the circumferential direction, and a gap for materials to pass through is formed between every two adjacent connecting rods 19. This connection structure of bearing frame 21 can not influence the normal pay-off of material on the one hand, and on the other hand can realize the firm support to the bearing.

And simultaneously, in order to further utilize the high-speed rotation energy of main shaft, the utility model discloses on main shaft 23, this section that lies in conveying pipe 18 is equipped with a plurality of puddlers 16, and puddler 16 all sets up a plurality ofly along 23 circumference directions of main shaft and axial direction, and puddler 16 is used for the material to carry out preliminary smashing massive material when passing through conveying pipe 18.

The utility model discloses in, dust pelletizing system's dust removal pipeline 20 is as shown in figure 1, and for the Y font structure of invering, two suction openings that two lateral canals in lower part correspond all stretch into to outer barrel 2 in, and the feed inlet of conveying pipe 18 is located between two lateral canals of the dust removal pipeline 20 of the Y font of invering, and two suction openings can first improve dust removal effect on the one hand, and on the other hand, dust pelletizing pipeline 20 and conveying pipe 18's setting can not carry out mutual interference. Therefore, the utility model discloses overall structure reasonable in design, easily realize.

Claims

1. A clay sand molding sand crusher, comprising: the device comprises a base, a dust removal system, a feeding pipe, an inner cylinder, an intermediate cylinder, an outer cylinder and a motor;

2. The clay sand molding sand crusher as claimed in claim 1, wherein the outlet direction of said third discharge port is arranged in a tangential direction to the cylindrical wall of the outer cylinder.

3. The clay sand molding sand crusher as claimed in claim 1, wherein a lower bearing is provided on the bottom surface of said outer cylinder, and the lower portion of the main shaft is supported by the lower bearing.

4. The clay sand molding sand crusher as claimed in claim 1, wherein a holder is provided at the bottom of the intermediate cylinder, and the holder is fixedly connected to the intermediate cylinder, and is held on and fixedly connected to the main shaft, thereby achieving the transmission of the torque.

5. The clay sand molding sand crusher as claimed in claim 4, wherein said holder is provided with a plurality of fastening screws circumferentially, said fastening screws being screwed through said holder to said main shaft, thereby fixedly connecting said holder to said main shaft.

6. The clay sand molding sand crusher of any one of claims 1 to 5, wherein the main shaft passes upward through the inner cylinder and extends into the feed pipe, the main shaft being disposed coaxially with the feed pipe;

7. The clay sand molding sand crusher as claimed in claim 6, wherein a bearing seat is provided in a central position inside said feeder pipe, and an upper bearing is provided on said bearing seat;

8. The clay sand molding sand crusher as claimed in claim 6, wherein a plurality of stirring rods are provided on the main shaft at an end thereof located in the feed pipe, the plurality of stirring rods being provided in the circumferential direction and the axial direction of the main shaft, the stirring rods being adapted to perform preliminary crushing of the material while the material passes through the feed pipe.

9. The clay sand molding sand crusher of claim 6, wherein a flange is provided on an outer portion of the feed pipe, and the feed pipe is fixedly connected to the cover plate through the flange.

10. The clay sand molding sand crusher as claimed in claim 6, wherein the dust removal duct of the dust removal system has an inverted Y-shaped structure, the two suction ports of the lower two branch ducts each extend into the outer barrel, and the feed port of the feed pipe is located between the two branch ducts of the inverted Y-shaped dust removal duct.