Mining dust removal multi-stage crushing equipment

Abstract

The utility model discloses mining dust-removal multistage crushing equipment, which relates to the technical field of crushing equipment, solves the technical problem that the required product size cannot be obtained through multistage crushing, and comprises a main frame, a dust-proof box is fixedly mounted in the main frame, and a barrel bracket is fixedly mounted in the dust-proof box; a barrel support is fixedly installed on the main machine frame, an outer screen barrel is rotatably installed in the barrel support, an inner screen barrel is rotatably installed in the barrel support, a pair of smashing shafts is fixedly installed on the main machine frame, smashing rods are fixedly installed on the smashing shafts, and a discharging hopper is fixedly installed on the lower wall face of the dust isolation box. The multi-stage crushing can be realized, the raw materials are crushed to the required product size, and the crushing efficiency is improved; and the dust isolation box and the bag type dust filter are fixedly mounted in the equipment, so that dust emission in the crushing process can be effectively reduced, the environment is protected, and the working environment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing equipment, in particular to a multi-stage crushing equipment for mine dust removal. Background Art

[0002] In the technical field related to the utility model, the multi-stage crushing equipment for mines is used for crushing raw materials such as crushed stones and ores. It is composed of multiple crushers with different specifications and can perform multi-stage crushing on raw materials to meet the required particle size requirements. Its functions and roles mainly include crushing raw materials, improving production efficiency, reducing energy consumption, and saving manpower. Through multi-stage crushing, the specific surface area of raw materials can be increased, the impact force of crushers can be reduced, production efficiency can be improved, and production costs can be reduced. Therefore, the multi-stage crushing equipment for mines plays an important role in industries such as mines, metallurgy, and building materials, and is one of the indispensable equipment in the production process.

[0003] For example, in the utility model named "A Crushing Device for Coal Mines" with the publication number CN210752889U, it includes a crushing box body. In the middle of both sides of the inner cavity of the crushing box body, cantilevers are fixedly installed. The other end of the cantilever is fixedly sleeved with a double-shaft motor, and one end of the output shaft of the double-shaft motor is fixedly sleeved with a transmission shaft located inside the cantilever. In this coal mine crushing device, the double-shaft motor drives the transmission shaft to rotate, so that the two groups of crushing rollers rotate.

[0004] The prior art has the technical problem that it cannot perform multi-stage crushing until the required product size is achieved. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the utility model provides a multi-stage crushing equipment for mine dust removal, which solves the technical problem that it cannot perform multi-stage crushing until the required product size is achieved.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A multi-stage crushing equipment for mine dust removal includes a main frame. Inside the main frame, a dust isolation box is fixedly installed. Inside the dust isolation box, a cylinder support is fixedly installed. Inside the cylinder support, an outer sieve cylinder is rotatably installed, and an inner sieve cylinder is rotatably installed. On the main frame, a pair of crushing shafts are fixedly installed. On the crushing shafts, crushing rods are fixedly installed. On the lower wall surface of the dust isolation box, a discharge hopper is fixedly installed. On the side wall surface of the main frame, a feeding hopper is fixedly installed. The input end of the feeding hopper is fixedly connected to the inside of the inner sieve cylinder.

[0007] Preferably, the axes of the outer sieve cylinder, the inner sieve cylinder, and the pair of crushing shafts are parallel and located in the same vertical plane. Fine sieve openings are provided on the outer sieve cylinder, and coarse sieve openings are provided on the inner sieve cylinder.

[0008] Preferably, a pair of crushing motors are fixedly installed on the main frame. A driving pulley is fixedly installed at the driving end of the pair of crushing motors. A driven pulley is fixedly installed on the crushing shaft. A transmission belt is connected between the driving pulley and the driven pulley.

[0009] Preferably, an outer box motor is fixedly installed on the main frame. A driving gear is fixedly installed at the driving end of the outer box motor. A driven gear ring is fixedly installed on the side wall surface of the outer sieve cylinder. The driving gear is meshed and connected with the driven gear ring.

[0010] Preferably, an inner box motor is fixedly installed on the main frame. A driving gear is fixedly installed at the driving end of the inner box motor. A driven gear is fixedly sleeved outside the inner sieve cylinder. The driving gear is meshed and connected with the driven gear.

[0011] Preferably, an air inlet pipe is fixedly installed on the side wall surface of the main frame, and a bag type dust filter is fixedly installed on the side wall surface of the dust separation box.

[0012] Beneficial effects

[0013] The utility model provides a multi-stage crushing device for mine dust removal. Through the inner and outer sieve cylinder structure and the design of the crushing shaft, the utility model can realize multi-stage crushing, crush raw materials to the required product size, and improve the crushing efficiency; A dust separation box and a bag type dust filter are fixedly installed inside the device, which can effectively reduce dust emissions during the crushing process, protect the environment and improve the working environment; By adopting transmission devices such as driving gears and driving pulleys, the effective drive and control between the motor and the crushing components are realized, and the working efficiency is improved; Different specifications of sieve openings are arranged on the outer sieve cylinder and the inner sieve cylinder, gradually reducing the particle diameter, making the ore crushing more uniform and delicate. Brief description of the drawings

[0014] Figure 1 It is the front view structural schematic diagram of a multi-stage crushing device for mine dust removal described in the utility model.

[0015] Figure 2 It is the structural schematic diagram of the inner and outer sieve cylinders of a multi-stage crushing device for mine dust removal described in the utility model.

[0016] In the figure: 1. Main frame; 2. Dust separation box; 3. Cylinder support; 4. Outer sieve cylinder; 5. Inner sieve cylinder; 6. Crushing shaft; 7. Crushing rod; 8. Discharge hopper; 9. Feeding hopper; 10. Fine sieve opening; 11. Coarse sieve opening; 12. Crushing motor; 13. Driving pulley; 14. Driven pulley; 15. Transmission belt; 16. Outer box motor; 17. Driving gear; 18. Driven gear ring; 19. Inner box motor; 20. Driving gear; 21. Driven gear; 22. Air inlet pipe; 23. Bag type dust filter; Specific embodiments

[0017] To further illustrate the technical means and effects adopted by the present invention to achieve the intended invention purpose, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The detailed description is as follows.

[0018] Please refer to Figure 1-2 , the present utility model provides a technical solution: a multi-stage crushing device for mine dust removal, including a main frame 1, a dust isolation box 2 is fixedly installed inside the main frame 1, a cylinder support 3 is fixedly installed inside the dust isolation box 2, an outer sieve cylinder 4 is rotatably installed inside the cylinder support 3, an inner sieve cylinder 5 is rotatably installed inside the cylinder support 3, a pair of crushing shafts 6 are fixedly installed on the main frame 1, crushing rods 7 are fixedly installed on the crushing shafts 6, a discharge hopper 8 is fixedly installed on the lower wall surface of the dust isolation box 2, a feeding hopper 9 is fixedly installed on the side wall surface of the main frame 1, and the input end of the feeding hopper 9 is fixedly connected to the inside of the inner sieve cylinder 5.

[0019] In this embodiment, it is further set that the axes of the outer sieve cylinder 4, the inner sieve cylinder 5 and the pair of crushing shafts 6 are parallel and located in the same vertical plane. Fine sieve openings 10 are provided on the outer sieve cylinder 4, and coarse sieve openings 11 are provided on the inner sieve cylinder 5.

[0020] In this embodiment, it is further set that a pair of crushing motors 12 are fixedly installed on the main frame 1. Driving pulleys 13 are fixedly installed at the driving ends of the pair of crushing motors 12. Driven pulleys 14 are fixedly installed on the crushing shafts 6. A transmission belt 15 is connected between the driving pulley 13 and the driven pulley 14.

[0021] In this embodiment, it is further set that an outer box motor 16 is fixedly installed on the main frame 1. A driving gear 17 is fixedly installed at the driving end of the outer box motor 16. A driven gear ring 18 is fixedly installed on the side wall surface of the outer sieve cylinder 4. The driving gear 17 is meshed and connected with the driven gear ring 18.

[0022] In this embodiment, it is further set that an inner box motor 19 is fixedly installed on the main frame 1. A driving gear 20 is fixedly installed at the driving end of the inner box motor 19. A driven gear 21 is fixedly sleeved outside the inner sieve cylinder 5. The driving gear 20 is meshed and connected with the driven gear 21.

[0023] In this embodiment, it is further set that an air inlet pipe 22 is fixedly installed on the side wall surface of the main frame 1, and a bag type dust filter 23 is fixedly installed on the side wall surface of the dust isolation box 2.

[0024] The detailed connection means are well-known technologies in the art; such as Figure 1-2As shown in the figure, preparation work: Ensure that the equipment is connected to the power supply, the equipment is installed firmly and the power supply is turned on. Check whether all components are installed correctly and there are no abnormalities; Operation preparation: Open the intake pipe 22, start the inner box motor 19 and the outer box motor 16 to drive the inner sieve cylinder 5 and the outer sieve cylinder 4 to rotate, start the crushing motor 12 to rotate the crushing shaft 6, and drive the crushing rod 7 to start rotating; Pour raw materials such as ore or crushed stones to be crushed into the feeding hopper 9, and input them into the inner sieve cylinder 5 through the feeding hopper 9. The crushing rod 7 crushes the raw materials. The raw materials are further screened and crushed by the inner sieve cylinder 5, the outer sieve cylinder 4 and a pair of crushing rods 7 to reach the required product size; During the crushing process, observe the operation of the dust isolation box 2 and the bag filter 23 to ensure effective dust removal; After the raw materials are crushed, close the intake pipe 22, stop the operation of the inner and outer sieve cylinders 4 and the crushing motor 12 of the equipment, and clean the residual materials inside the equipment; Regularly clean all components of the equipment, check whether the parts are worn or damaged, and replace or repair them in time. Keep the equipment clean and dry.

[0025] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0026] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the equivalent embodiments by using the disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A multi-stage crushing device for mine dust removal, comprising a main frame (1), characterized in that, A dust separation box (2) is fixedly installed inside the main frame (1). A cylinder support (3) is fixedly installed inside the dust separation box (2). An outer sieve cylinder (4) is rotatably installed inside the cylinder support (3). An inner sieve cylinder (5) is rotatably installed inside the cylinder support (3). A pair of crushing shafts (6) are fixedly installed on the main frame (1). Crushing rods (7) are fixedly installed on the crushing shafts (6). A discharge hopper (8) is fixedly installed on the lower wall surface of the dust separation box (2). A feeding hopper (9) is fixedly installed on the side wall surface of the main frame (1). The input end of the feeding hopper (9) is fixedly connected to the inside of the inner sieve cylinder (5).

2. The multi-stage crushing equipment for mine dust removal according to claim 1, characterized in that , The axes of the outer sieve cylinder (4), the inner sieve cylinder (5) and the pair of crushing shafts (6) are parallel and located in the same vertical plane. Fine sieve openings (10) are formed on the outer sieve cylinder (4). Coarse sieve openings (11) are formed on the inner sieve cylinder (5).

3. A multi-stage crushing device for mine dust removal according to claim 1, characterized in that , A pair of crushing motors (12) are fixedly installed on the main frame (1). Driving pulleys (13) are fixedly installed at the driving ends of the pair of crushing motors (12). Driven pulleys (14) are fixedly installed on the crushing shafts (6). A transmission belt (15) is connected between the driving pulley (13) and the driven pulley (14).

4. The multi-stage crushing equipment for mine dust removal according to claim 1, characterized in that , An outer box motor (16) is fixedly installed on the main frame (1). A driving gear (17) is fixedly installed at the driving end of the outer box motor (16). A driven gear ring (18) is fixedly installed on the side wall surface of the outer sieve cylinder (4). The driving gear (17) is meshed and connected with the driven gear ring (18).

5. The multi-stage crushing equipment for mine dust removal according to claim 1, wherein , An inner box motor (19) is fixedly installed on the main frame (1). A driving gear (20) is fixedly installed at the driving end of the inner box motor (19). A driven gear (21) is fixedly sleeved outside the inner sieve cylinder (5). The driving gear (20) is meshed and connected with the driven gear (21).

6. The multi-stage crushing equipment for mine dust removal according to claim 1, characterized in that , An air inlet pipe (22) is fixedly installed on the side wall surface of the main frame (1). A bag type dust filter (23) is fixedly installed on the side wall surface of the dust separation box (2).

Images