Raw material crushing device for building aggregate production

Abstract

The utility model relates to a raw material crushing device for building aggregate production, which comprises a shell and a shell cover, the shell cover is rotatably mounted on the shell, a fixed disc is rotatably mounted in the shell, a plurality of plate hammers are arranged on the outer side of the fixed disc at equal angles, a plurality of connecting rods are mounted on the shell cover in a penetrating manner, and springs are sleeved on the outer sides of the connecting rods; translation of a movable arm and a clamping ring is achieved through work of a pneumatic cylinder, when the clamping ring is clamped on the outer side of a limiting column, a shell and a shell cover are fixedly connected at the moment, building aggregate is conveniently crushed by the device, and when the movable arm is separated from the clamping ring, a second motor conveniently works to drive a rotating shaft to rotate, then a crank arm is driven to rotate, and overturning of the shell cover is conveniently achieved; and the shell and the shell cover are automatically separated, so that internal parts of the shell and the shell cover can be conveniently overhauled and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of construction aggregate processing, in particular to a raw material crushing device for construction aggregate production. Background Art

[0002] Aggregate is a granular loose material that acts as a skeleton or filler in concrete. As the main raw material in concrete, aggregate plays a skeleton and supporting role in buildings.

[0003] When the raw material crushing device is crushed by impact crusher, the fixed plate, plate hammer and impact liner are greatly worn after long-term work. Therefore, it is necessary to regularly repair and replace the internal parts of the device. The existing maintenance requires manual disassembly and assembly of the device, which makes the maintenance and inspection difficult and the operation complicated. Utility Model Content

[0004] The problem solved by the utility model is to provide a raw material crushing device for the production of building aggregates, which solves the problem that when the raw material crushing device is crushed by means of an impact crusher, the fixed plate, the plate hammer and the impact lining plate are worn to a large extent during long-term work, so the parts inside the device need to be repaired and replaced regularly. The existing maintenance requires manual disassembly and assembly of the device, which leads to great difficulty in maintenance and overhaul and complicated operation. Technical problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A raw material crushing device for producing building aggregates comprises a shell and a shell cover, wherein the shell cover is rotatably mounted on the shell, a fixed plate is rotatably mounted inside the shell, a plurality of plate hammers are arranged at equal angles on the outside of the fixed plate, a plurality of connecting rods are penetrated and mounted on the shell cover, and springs are sleeved on the outside of the connecting rods, and the plurality of connecting rods are respectively connected to a plurality of impact liners in the shell.

[0007] Preferably, a first motor is mounted on the housing, and pulleys are mounted on the output end of the first motor and the end of the fixed disk, and the two pulleys are connected via a belt drive.

[0008] Preferably, a rotating shaft is installed through the bearing in the shell, and two ends of the rotating shaft located outside the shell are respectively connected to one end of the crank arm, and the other end of the crank arm is fixedly connected to the shell cover.

[0009] Preferably, a mounting plate is installed on the outer side of the shell, a second motor is installed on the mounting plate, and an output end of the second motor is connected to the rotating shaft.

[0010] Preferably, limiting columns are symmetrically arranged on the outer side of the shell cover.

[0011] Preferably, a plurality of guide rods are symmetrically mounted on the outer side of the shell, and movable arms are slidably mounted on the guide rods, and clamping rings adapted to the limiting columns are mounted on the movable arms.

[0012] Preferably, a pneumatic cylinder is installed on the movable arm, and the telescopic end of the pneumatic cylinder passes through the movable arm and is connected to the shell.

[0013] The beneficial effects of the utility model are as follows: the translation of the movable arm and the clamping ring is realized through the operation of the pneumatic cylinder; when the clamping ring is clamped on the outside of the limit column, the shell body and the shell cover are fixedly connected, which is convenient for the device to crush building aggregates; when the movable arm and the clamping ring are separated, the second motor is convenient to drive the rotation of the rotating shaft, and then drive the rotation of the curved arm, which is convenient for realizing the flipping of the shell cover, automatically realizing the separation of the shell body and the shell cover, and facilitating the inspection and replacement of the internal parts of the shell body and the shell cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.

[0016] Legend:

[0017] 1. Shell; 2. Shell cover; 3. Fixed plate; 4. Plate hammer; 5. Connecting rod; 6. Spring; 7. Impact lining; 8. First motor; 9. Pulley; 10. Belt; 11. Rotating shaft; 12. Crank arm; 13. Mounting plate; 14. Second motor; 15. Limiting column; 16. Movable arm; 17. Snap ring; 18. Guide rod; 19. Pneumatic cylinder. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Specific examples are given below.

[0020] See also Figure 1 and Figure 2A raw material crushing device for producing building aggregates comprises a shell 1 and a shell cover 2, the shell cover 2 is rotatably mounted on the shell 1, a fixed plate 3 is rotatably mounted in the shell 1, a plurality of plate hammers 4 are arranged at equal angles on the outside of the fixed plate 3, a plurality of connecting rods 5 are penetrated and installed on the shell cover 2, and a spring 6 is sleeved on the outside of the connecting rod 5, and the plurality of connecting rods 5 are respectively connected to a plurality of impact liners 7 in the shell 1, a first motor 8 is mounted on the shell 1, and a pulley 9 is mounted on the output end of the first motor 8 and the end of the fixed plate 3, and the two pulleys 9 are connected by a belt 10 transmission, and the first motor 8 works, and the fixed plate 3 and the plate hammer 4 are driven to rotate by the transmission of the pulley 9 and the belt 10.

[0021] A rotating shaft 11 is installed through the bearing in the shell 1, and both ends of the rotating shaft 11 are located on the outside of the shell 1 and are respectively connected to one end of a crank arm 12, and the other end of the crank arm 12 is fixedly connected to the shell cover 2. It is characterized in that a mounting plate 13 is installed on the outside of the shell 1, and a second motor 14 is installed on the mounting plate 13. The output end of the second motor 14 is connected to the rotating shaft 11. The second motor 14 drives the rotating shaft 11 to rotate, and then drives the crank arm 12 to rotate, so as to facilitate the flipping of the shell cover 2.

[0022] Limiting columns 15 are symmetrically arranged on the outside of the shell cover 2, and a number of guide rods 18 are symmetrically installed on the outside of the shell 1, and a movable arm 16 is slidably installed on the guide rod 18, and a snap ring 17 adapted to the limiting column 15 is installed on the movable arm 16, and a pneumatic cylinder 19 is installed on the movable arm 16, and the telescopic end of the pneumatic cylinder 19 passes through the movable arm 16 and is connected to the shell 1. The movable arm 16 is driven to move along the guide rod 18 by the operation of the pneumatic cylinder 19 to adjust the position of the snap ring 17. When the snap ring 17 is stuck on the outside of the limiting column 15, the shell 1 is fixedly connected to the shell cover 2, which is convenient for the device to crush the building aggregate. When the movable arm 16 and the snap ring 17 are separated, it is convenient for the shell cover 2 to rotate.

[0023] The second motor 14 drives the rotating shaft 11 to rotate, and then drives the crank arm 12 to rotate, so as to facilitate the flipping of the shell cover 2. The pneumatic cylinder 19 drives the movable arm 16 to move along the guide rod 18 to adjust the position of the retaining ring 17. When the retaining ring 17 is separated from the limiting column 15, it is convenient to flip the shell cover 2 and inspect the inside of the device. When the retaining ring 17 is stuck on the outside of the limiting column 15, the shell 1 and the shell cover 2 are fixedly installed. The first motor 8 works and is driven by the pulley 9 and the belt 10 to drive the fixed plate 3 and the plate hammer 4 to rotate and cooperate with the impact liner 7 to crush the building aggregate.

[0024] Processing capacity: Normal 650t / h;

[0025] Maximum feed size: 700mm;

[0026] Discharge particle size: ≤31.5mm;

[0027] Maximum speed: 550r / min;

[0028] Motor: Dual motor 250Kw high voltage motor, voltage 10KV.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A raw material crushing device for building aggregate production, characterized in that: The invention comprises a shell (1) and a shell cover (2), wherein the shell cover (2) is rotatably mounted on the shell (1), a fixed disk (3) is rotatably mounted inside the shell (1), a plurality of plate hammers (4) are arranged at equal angles on the outside of the fixed disk (3), a plurality of connecting rods (5) are penetrated and mounted on the shell cover (2), and a spring (6) is sleeved on the outside of the connecting rods (5), and the plurality of connecting rods (5) are respectively connected to a plurality of impact lining plates (7) inside the shell (1); A rotating shaft (11) is installed through the bearing in the shell (1), and the two ends of the rotating shaft (11) are located outside the shell (1) and are respectively connected to one end of a crank arm (12), and the other end of the crank arm (12) is fixedly connected to the shell cover (2). It is characterized in that a mounting plate (13) is installed outside the shell (1), and a second motor (14) is installed on the mounting plate (13), and the output end of the second motor (14) is connected to the rotating shaft (11), and a limiting column (15) is symmetrically arranged on the outside of the shell cover (2), and a plurality of guide rods (18) are symmetrically installed on the outside of the shell (1), and a movable arm (16) is slidably installed on the guide rod (18), and a retaining ring (17) adapted to the limiting column (15) is installed on the movable arm (16), and a pneumatic cylinder (19) is installed on the movable arm (16), and the telescopic end of the pneumatic cylinder (19) passes through the movable arm (16) and is connected to the shell (1).

2. A raw material crushing device for construction aggregate production according to claim 1, characterized in that: A first motor (8) is installed on the housing (1), and pulleys (9) are installed at the output end of the first motor (8) and the end of the fixed disk (3), and the two pulleys (9) are connected by belt (10).

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