CN215541460U - Crushing equipment for producing machine-made sand - Google Patents

Abstract

The utility model discloses crushing equipment for producing machine-made sand, which comprises a machine base, wherein the upper end of the machine base is provided with a crushing chamber, the crushing chamber is divided into an upper crushing cavity and a lower crushing cavity by a partition plate, the centers of the upper crushing cavity and the lower crushing cavity are communicated, the peripheral surfaces of the upper crushing cavity and the lower crushing cavity are respectively fixed with an impact plate frame, a plurality of impact plates are fixed on the impact plate frame, a first crushing cylinder is arranged in the upper crushing cavity, a second crushing cylinder is arranged in the lower crushing cavity, the first crushing cylinder and the second crushing cylinder are positioned on the same central axis of the crushing chamber, and the lower end of the crushing chamber is fixed with a transmission chamber; according to the utility model, the upper crushing cavity and the lower crushing cavity are arranged to gradually crush ores, so that machine-made sand meeting the requirements is finally formed, the crushing effect is stable, and the crushing requirements of ores with different shapes and sizes are met; meanwhile, the partition plate between the upper crushing cavity and the lower crushing cavity is provided with the filter holes, so that the crushing time is shortened.

Description

Crushing equipment for producing machine-made sand

Technical Field

The utility model belongs to the technical field of crushers, and relates to crushing equipment for producing machine-made sand.

Background

The crusher is suitable for crushing various hard and brittle materials, such as iron ore and other ultra-hard, medium-hard and corrosive materials, and is efficient and energy-saving fine crushing and coarse grinding equipment, and the crusher is widely applied to various departments such as smelting, building materials, roads, railways, water conservancy and the like.

The working principle of the vertical impact crusher is that materials enter the crusher through a feeding barrel, the rotor rotating at a high speed is accelerated rapidly and then thrown out from a flow channel of the rotor, the materials are impacted, rubbed and ground for a plurality of times between a counterattack plate and the rotor in a crushing cavity, and the crushed materials are discharged from a discharge hole. When present vertical impact crusher was made sand to the ore, all ores all were processed at same broken intracavity, and the ore atress that the size shape is different is uneven, leads to crushing effect relatively poor, and wherein great ore leads to the breakage not thorough because self gravity factor directly enters into the bin outlet easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides crushing equipment for producing machine-made sand, which well solves the problem that the existing crusher cannot completely crush the machine-made sand.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a crushing device for producing machine-made sand comprises a machine base, wherein a crushing chamber is arranged at the upper end of the machine base, the crushing chamber is divided into an upper crushing cavity and a lower crushing cavity by a partition plate, the centers of the upper crushing cavity and the lower crushing cavity are communicated, the circumferential surfaces of the upper crushing cavity and the lower crushing cavity are both fixed with impact plate frames, a plurality of impact plates are fixed on the impact plate frames, a first crushing barrel is arranged in the upper crushing cavity, a second crushing barrel is arranged in the lower crushing cavity, the first crushing cylinder and the second crushing cylinder are positioned on the central axis of the crushing chamber, the lower end of the crushing chamber is fixed with a transmission chamber, a transmission motor is fixed in the transmission chamber, a rotating shaft of the transmission motor is fixedly connected with the first crushing barrel and the second crushing barrel, the first crushing barrel and the second crushing barrel rotate coaxially, a feeding chamber communicated with the first crushing barrel is fixed at the upper end of the crushing chamber, and a discharging port is formed in the lower end of the crushing chamber.

Furthermore, the first crushing barrel is composed of a first annular upper pressing plate, a first annular lower pressing plate and a plurality of first crushing cutters, the first crushing cutters are fixed between the first annular upper pressing plate and the first annular lower pressing plate at equal intervals, the second crushing barrel is composed of a second annular upper pressing plate, a second annular lower pressing plate and a plurality of second crushing cutters, and the second crushing cutters are fixed between the second annular upper pressing plate and the second annular lower pressing plate at equal intervals.

Furthermore, the partition plate is composed of an annular plate and a circular truncated cone-shaped plate, the outer wall of the annular plate is fixed on the inner wall of the crushing chamber, and the small-diameter section of the circular truncated cone-shaped plate is opened towards the upper end of the second crushing barrel.

Furthermore, the partition plate is provided with filter holes.

Furthermore, a circular truncated cone-shaped discharging shell covering the discharging hole is fixed at the lower end of the crushing chamber.

Furthermore, a plurality of groups of damping springs are arranged between the machine base and the crushing chamber.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the upper crushing cavity and the lower crushing cavity are arranged to gradually crush ores, so that machine-made sand meeting the requirements is finally formed, the crushing effect is stable, and the crushing requirements of ores with different shapes and sizes are met; meanwhile, the partition plate between the upper crushing cavity and the lower crushing cavity is provided with the filter holes, so that the crushing time is shortened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a machine base; 2. a crushing chamber; 3. a partition plate; 31. filtering holes; 4. an upper crushing chamber; 5. a lower crushing chamber; 6. a counterattack plate; 7. a first crushing barrel; 71. a first annular upper platen; 72. a first annular lower platen; 73. a first crushing knife; 8. a second crushing barrel; 81. a second annular upper platen; 82. a second annular lower platen; 83. a second crushing knife; 9. a transmission chamber; 10. a drive motor; 11. a feed chamber; 12. a discharge port; 13. a discharge shell; 14. a shock absorbing spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the technical solution adopted by the present invention is as follows: the utility model provides a production crushing apparatus for mechanism sand, includes frame 1, frame 1 is formed by frame and landing leg welding, 1 upper end of frame is provided with crushing room 2, be provided with multiunit damping spring 14 between frame 1 and the crushing room 2, it is concrete, 2 bottom welding of crushing room has 4 or 6 connecting rods, the connecting rod is worn to establish in the frame, the cover is equipped with damping spring 14 on the connecting rod, damping spring 14's both ends butt respectively on the bottom surface of crushing room 2 and the up end of frame, the one end threaded connection that the connecting rod stretched into the frame has fastening nut, reduces the vibration that the machine produced at the during operation, reduces the noise harm that the vibration produced simultaneously.

Crushing room 2 is divided into crushing chamber 4 and lower crushing chamber 5 by division board 3, division board 3 comprises annular slab and round platform shaped plate, the outer wall welding of annular slab or through the bolt fastening on the inner wall of crushing room 2, the path section of round platform shaped plate sets up down, go up crushing chamber 4 and lower crushing chamber 5 and pass through the path section opening intercommunication of round platform shaped plate, it all has 6 framves of counterattack board through the bolt fastening to go up crushing chamber 4 and lower crushing chamber 5 global, 6 framves of counterattack board are fixed with a plurality of counterattack boards 6.

A first crushing barrel 7 is arranged in the upper crushing cavity 4, a second crushing barrel 8 is arranged in the lower crushing cavity 5, the first crushing barrel 7 is composed of a first annular upper pressure plate 71, a first annular lower pressure plate 72 and a plurality of first crushing knives 73, the first crushing knives 73 are fixed between the first annular upper pressure plate 71 and the first annular lower pressure plate 72 at equal intervals, the second crushing barrel 8 is composed of a second annular upper pressure plate 81, a second annular lower pressure plate 82 and a plurality of second crushing knives 83, the second crushing knives 83 are fixed between the second annular upper pressure plate 81 and the second annular lower pressure plate 82 at equal intervals, gaps are arranged between every two adjacent first crushing knives 73 and every two adjacent second crushing knives 83, the gaps are called as flow channels, when ores enter the inner part of the first crushing barrel 7 or the second crushing barrel 8 through the upper end openings of the rotating first crushing barrels, and repeatedly collides between the impact plate 6 and the first crushing blade 73 or the second crushing blade 83, and finally machine-made sand is formed.

The first crushing barrel 7 and the second crushing barrel 8 are located on the central axis of the crushing chamber 2, the transmission chamber 9 is welded at the lower end of the crushing chamber 2, the transmission motor 10 is fixed in the transmission chamber 9, the rotating shaft of the transmission motor 10 is fixedly connected with the first crushing barrel 7 and the second crushing barrel 8, specifically, the rotating shaft is sequentially inserted into the second crushing barrel 8 and the first crushing barrel 7 and is respectively fixed with the first annular lower pressing plate 72 and the second annular lower pressing plate 82 through a fixing sleeve ring, the transmission motor 10 drives the first crushing barrel 7 and the second crushing barrel 8 to coaxially rotate, the upper end of the crushing chamber 2 is fixedly provided with a feeding chamber 11 communicated with the crushing chamber, the lower end opening position of the feeding chamber 11 is located above the upper end opening of the first crushing barrel 7, ore in the feeding chamber 11 just falls into the first crushing barrel 7 through the upper end opening thereof, the lower end of the crushing chamber 2 is provided with a discharge port 12, the lower end of the crushing chamber 2 is fixed with a circular table-shaped discharging shell 13 coated with a discharging port 12 through a bolt, and the discharging shell 13 can collect crushed machine-made sand together through the discharging port 12, so that the crushed machine-made sand is convenient to collect.

The partition plate 3 is provided with the filter holes 31, the filter holes 31 can enable the machine-made sand with a small shape after being crushed in the upper crushing cavity 4 to directly fall into the lower crushing cavity 5, the crushing speed is improved, the lower crushing cavity 5 only needs to crush the machine-made sand with a large shape in the upper crushing cavity 4 again, and finally the small machine-made sand meeting the use requirement is formed.

When the machine-made sand crusher is used, the transmission motor 10 drives the first crushing cylinder 7 and the second crushing cylinder 8 to rotate, ores enter the first crushing cylinder 7 from the feeding chamber 11, the rotated first crushing cylinder 7 throws the ores into the upper crushing cavity 4 through a flow channel, the thrown ores are repeatedly impacted between the first crushing cutter 73 and the counterattack plate 6 to form ores or machine-made sand with smaller shapes, when the machine-made sand with smaller shapes is smaller than the diameter of the filter holes 31 of the partition plate 3, the machine-made sand directly falls into the lower crushing cavity 5 and then is separated from the crushing chamber 2 through the discharge port 12, when the ores or the machine-made sand with smaller shapes do not meet the diameter of the filter holes 31 of the partition plate 3, the ores or the machine-made sand with smaller shapes enter the second crushing cylinder 8, and similarly, the thrown ores or the machine-made sand with smaller shapes are repeatedly impacted between the second crushing cutter 83 and the counterattack plate 6, and finally the machine-made sand meeting the requirements is formed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a production crushing apparatus for mechanism sand which characterized in that: comprises a machine base, wherein the upper end of the machine base is provided with a crushing chamber, the crushing chamber is divided into an upper crushing cavity and a lower crushing cavity by a partition plate, the centers of the upper crushing cavity and the lower crushing cavity are communicated, the circumferential surfaces of the upper crushing cavity and the lower crushing cavity are both fixed with impact plate frames, a plurality of impact plates are fixed on the impact plate frame, a first crushing barrel is arranged in the upper crushing cavity, a second crushing barrel is arranged in the lower crushing cavity, the first crushing barrel and the second crushing barrel are positioned on the central axis of the crushing chamber, a transmission chamber is fixed at the lower end of the crushing chamber, a transmission motor is fixed in the transmission chamber, a rotating shaft of the transmission motor is fixedly connected with the first crushing barrel and the second crushing barrel, the first crushing barrel and the second crushing barrel rotate coaxially, a feeding chamber communicated with the first crushing barrel is fixed at the upper end of the crushing chamber, and a discharging port is formed in the lower end of the crushing chamber.

2. The crushing apparatus for producing machine-made sand according to claim 1, wherein: the first crushing barrel is composed of a first annular upper pressing plate, a first annular lower pressing plate and a plurality of first crushing cutters, the first crushing cutters are fixed between the first annular upper pressing plate and the first annular lower pressing plate at equal intervals, the second crushing barrel is composed of a second annular upper pressing plate, a second annular lower pressing plate and a plurality of second crushing cutters, and the second crushing cutters are fixed between the second annular upper pressing plate and the second annular lower pressing plate at equal intervals.

3. The crushing apparatus for producing machine-made sand according to claim 2, wherein: the separating plate is composed of an annular plate and a circular truncated cone-shaped plate, the outer wall of the annular plate is fixed on the inner wall of the crushing chamber, and the small-diameter section of the circular truncated cone-shaped plate is opened towards the upper end of the second crushing barrel.

4. The crushing apparatus for producing machine-made sand according to claim 3, wherein: the partition plate is provided with filter holes.

5. The crushing apparatus for producing machine-made sand according to claim 1, wherein: the lower end of the crushing chamber is fixed with a circular truncated cone-shaped discharging shell covering the discharging port.

6. The crushing apparatus for producing machine-made sand according to claim 1, wherein: and a plurality of groups of damping springs are arranged between the machine base and the crushing chamber.

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