CN216800016U

CN216800016U - Eccentric roller type crusher for vertical mill

Info

Publication number: CN216800016U
Application number: CN202122775440.2U
Authority: CN
Inventors: 刘畅; 叶卫东
Original assignee: Hefei Zhongya Building Material Equipment Co ltd
Current assignee: Hefei Zhongya Building Material Equipment Co ltd
Priority date: 2021-11-14
Filing date: 2021-11-14
Publication date: 2022-06-24
Anticipated expiration: 2031-11-14

Abstract

The utility model provides an eccentric roller type crusher for a vertical mill, which comprises a rack and an eccentric roller wheel arranged on the rack, wherein the eccentric roller wheel is fixed on the roller shaft, a motor for driving the eccentric roller wheel to rotate clockwise is arranged on the rack, the eccentric roller type crusher also comprises a fixed jaw with an adjustable position, the upper end of the fixed jaw is movably connected with a feeding bin, the lower end of the fixed jaw is connected with an adjustable mechanism, and the inner surface of the fixed jaw is of a cambered surface structure. The utility model is applied to the field of crushing of brittle rock-soil materials, and realizes the crushing of materials and the conveying of finished products. The utility model has the remarkable advantages of simple construction, low energy consumption, large crushing ratio, low noise, convenient maintenance and the like.

Description

Eccentric roller type crusher for vertical mill

Technical Field

The utility model relates to the technical field of rock-soil crushing equipment, in particular to an eccentric roller type crusher for a vertical mill.

Background

The vertical mill has been widely accepted in the milling field of cement, raw meal, raw coal, slag, non-metallic ore and the like due to the advantages of high energy utilization rate, high milling efficiency, strong adaptability, low abrasion, simple maintenance and the like. Due to the wide application of the vertical mill, the properties of the fed materials have great difference, generally the particle diameter of the fed mill is allowed to be less than 5 percent of the diameter of the grinding roller, generally not more than 40mm, and the moisture is less than 10 percent. The material goes into to grind before can carry out rough broken through crushing equipment such as eccentric roll crusher of jaw formula, then obtains more thin qualified finished product through vertical crocus mill, and jaw board, movable jaw board and material contact surface are big are decided to traditional eccentric roll crusher of jaw formula, make the material broken through the extrusion force, lead to unit area pressure less, have increased the energy consumption. The jaw eccentric roller type crusher is serious in abrasion, heavy in whole, occupies a large installation space, is thick in crushed finished product particles, indirectly influences the grinding effect of the vertical mill, easily passes through grinding, even causes a material blocking phenomenon, and brings inconvenience to production.

SUMMERY OF THE UTILITY MODEL

The object of the utility model is to address.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an eccentric roll crusher for vertical mill, includes the frame and installs the eccentric running roller in the frame, and the eccentric running roller is fixed on the roller, installs the motor that drives eccentric running roller clockwise turning in the frame, still includes the jaw surely that the position is adjustable, decides jaw upper end swing joint feeding storehouse, decides jaw lower extreme and is connected with adjustable mechanism, decide jaw internal surface be cambered surface structure.

Preferably, the surface of the roller is provided with a roller wear-resistant layer.

Preferably, the inner surface of the fixed jaw is provided with a fixed jaw wear-resistant layer, and the fixed jaw is movably connected with the feeding bin through the fixed jaw wear-resistant layer.

Preferably, the outside of the eccentric roller is provided with a separation plate, and the separation plate is installed and fixed on the frame.

Preferably, the fixed jaw is connected with the isolation plate through a fixed shaft.

Preferably, the adjustable mechanism comprises a first support fixed on the frame, a hydraulic cylinder installed on the first support, and a second support connected to the output end of the hydraulic cylinder, wherein the hydraulic cylinder is movably connected with the first support, the second support is movably connected with the hydraulic cylinder, and the fixed jaw is fixed on the second support.

Preferably, the eccentric roller wheel is coaxially provided with a belt wheel, wherein the belt wheel is fixedly connected with the roller shaft through a flat key II, and the eccentric roller wheel is fixedly connected with the roller shaft through a flat key I.

Preferably, the belt wheel is connected with the motor through a belt, the motor is installed on a motor base, and the motor base is fixed on the frame.

Preferably, a double-row aligning roller bearing is arranged between the roller shaft and the isolation plate.

The utility model has the beneficial effects that: the utility model can be applied to the field of brittle rock-soil crushing, the maximum compression strength of materials is allowed to be 320MPa, in order to improve the grinding efficiency of the vertical mill, the particle size of finished particles of the eccentric roller type crusher can be adjusted to be 5-15 mm, the vertical mill with too small particle size is not easy to form a material layer, the mill shakes, the particle size is too large, and the energy consumption of the vertical mill is increased. The yield of the utility model is 10 t/h-500 t/h, the utility model can be adjusted according to the yield of the vertical mill, the utility model combines the advantages of the jaw eccentric roller crusher and the conical eccentric roller crusher, the eccentric roller rotates clockwise, the fixed jaw wear-resisting plate and the roller wear-resisting layer are arc-shaped, the pressure per unit area of the material is large, not only large impact force is generated, but also large shearing force is generated, the composite force system is more beneficial to the crushing of rock and soil materials, the energy consumption is reduced, the arc-shaped mechanism design avoids stress concentration, and the service life of the working face is prolonged. The wear-resistant layer on the surface of the roller can be subjected to on-site surfacing and is convenient to maintain. The jaw eccentric roller crusher overcomes the defects of the traditional jaw eccentric roller crusher, and has a large degree of fit with the grinding characteristic of a vertical mill, so that a large economic benefit is generated.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a partial cross-sectional view of the present invention;

in the figure: 1. a frame; 2. a first support; 3. a hydraulic cylinder; 4. a second support; 5. fixing a jaw; 6. A fixed jaw wear plate; 7. fixing a shaft; 8. a feeding bin; 9. a separator plate; 10. a wear-resistant layer of the roller; 11. a roller; 12. a belt; 13. a motor; 14. a motor base; 15. a first flat bond; 16. A roll shaft; 17. a pulley; 18. a flat key II; 19. double-row self-aligning roller bearing.

Detailed Description

The present invention will be further described with reference to the following examples.

The eccentric roller crusher for the vertical mill as shown in fig. 1 and 2 comprises a frame 1, a first support 2, a hydraulic cylinder 3, a second support 4, a fixed jaw 5, a fixed jaw wear-resisting plate 6, a fixed shaft 7, a feeding bin 8, a partition plate 9, a roller wear-resisting layer 10, rollers 11, a belt 12, a motor 13, a motor base 14, a first flat key 15, a roller shaft 16, a belt wheel 17, a second flat key 18 and a double-row roller bearing 19, wherein the feeding bin 8 is arranged on the partition plate 9.

As shown in fig. 2, in the eccentric roller crusher for the vertical mill, the belt pulley 17 is coaxially installed and fixed at one end of the roller shaft 16 through the flat key two 18, the roller 11 is eccentrically and fixedly installed at the other end of the roller shaft 16 through the flat key one 15 and rotates clockwise, and the surface of the roller 11 is provided with the roller wear-resistant layer 10.

As shown in fig. 1 and 2, in the eccentric roller crusher for the vertical mill, the belt wheel 17 is connected with the motor 13 through the belt 12, the motor 13 is fixedly installed on the motor base 14, and a double-row centering roller bearing 19 is arranged between the roller shaft 16 and the isolation plate 9.

As shown in fig. 1 and 2, in the eccentric roller crusher for the vertical mill, the fixed jaw 5 is connected with the isolation plate 9 through a fixed shaft 7, the fixed jaw wear-resisting plate 6 is arranged on the surface of the fixed jaw 5 and is arc-shaped, the fixed jaw 5 is provided with a pair of second supporting seats 4 on the surface and is connected with one end of the hydraulic cylinder 3, and the other end of the hydraulic cylinder 3 is connected with the first supporting seat 2.

As shown in figure 1, the eccentric roller type crusher for the vertical mill is characterized in that one end of a frame 1 is provided with a pair of first supports 2, the other end of the frame 1 is provided with a motor base 14, and a separation plate 9 is fixedly arranged on a platform of the frame 1.

From the mechanical perspective, the motor 13 is connected with the belt wheel 17 through the belt 12 to move, so that the conversion from electric energy to mechanical energy is realized, the centrifugal motion of the roller wheel 11 generates impact pressure and shearing force on materials, the process of crushing the materials macroscopically means the process that the mechanical energy overcomes the internal energy of the materials, and microscopically, the stress generated by external force at the tip of a crack is greater than the breaking strength of the tip of the crack, so that the crack is caused by unstable propagation.

The utility model is designed aiming at the grinding characteristic of the vertical mill, in order to improve the grinding efficiency of the vertical mill, the particle size of the grinding particles is generally controlled within the range of 5 mm-15 mm, the brittle rock-soil materials are mainly crushed, and the maximum compression strength of the materials is allowed to be not more than 320 MPa. Motor 13 adopts general three-phase asynchronous machine, gives running roller 11 with the motion transmission through belt 12, and running roller 11 is fixed with 16 eccentric installations of roller, has realized the eccentric motion of running roller 11, and the material falls into between running roller wearing layer 10 and the jaw antifriction plate 6 through the feeding storehouse, and the space is the wedge, by big to little. Eccentric clockwise motion has not only produced very big impact force, great shearing force has still been produced, this kind of compound power system more is favorable to the expansion of crackle, finally lead to macroscopic breakage, coarse breaking of large granule has been realized at the upper end, the thin breaking of granule is realized to the lower extreme, because running roller 11 clockwise rotation, the large granule can not fall into the lower extreme by the dead weight, the putty has been avoided, the thin granule is timely along with eccentric motion discharges from the lower extreme, the grinding has been avoided, through adjusting the adjustable finished product granularity of pneumatic cylinder 3, the wearing layer of running roller 11 is formed through the build-up welding, hardness is high, and wear-resisting, if after wearing and tearing, can carry out the build-up welding at the scene and restore, greatly reduce the maintenance degree of difficulty.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to explain the principles of the utility model, and that various modifications and alterations can be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a vertical eccentric roller crusher for mill which characterized in that: the adjustable feeding device comprises a rack and an eccentric roller wheel arranged on the rack, wherein the eccentric roller wheel is fixed on a roller shaft, a motor for driving the eccentric roller wheel to rotate clockwise is arranged on the rack, the adjustable feeding device also comprises a fixed jaw with an adjustable position, the upper end of the fixed jaw is movably connected with a feeding bin, the lower end of the fixed jaw is connected with an adjustable mechanism, and the inner surface of the fixed jaw is of a cambered surface structure.

2. The eccentric roller crusher for a vertical mill according to claim 1, wherein: the surface of the roller is provided with a roller wear-resistant layer.

3. The eccentric roller crusher for a vertical mill according to claim 1, wherein: the inner surface of the fixed jaw is provided with a fixed jaw wear-resistant layer, and the fixed jaw is movably connected with the feeding bin through the fixed jaw wear-resistant layer.

4. The eccentric roller crusher for a vertical mill according to claim 1, wherein: the outer part of the eccentric roller is provided with a separation plate, and the separation plate is fixedly arranged on the rack.

5. The eccentric roller crusher for a vertical mill according to claim 4, wherein: the fixed jaw is connected with the isolation plate through a fixed shaft.

6. The eccentric roller crusher for a vertical mill according to claim 1, wherein: the adjustable mechanism comprises a first support fixed on the rack, a hydraulic cylinder installed on the first support, and a second support connected to the output end of the hydraulic cylinder, wherein the hydraulic cylinder is movably connected with the first support, the second support is movably connected with the hydraulic cylinder, and the fixed jaw is fixed on the second support.

7. The eccentric roller crusher for a vertical mill according to claim 1, wherein: the eccentric running roller coaxial arrangement have the band pulley, wherein pass through flat key two fixed connection between band pulley and the roller, pass through flat key one fixed connection between eccentric running roller and the roller.

8. The eccentric roller crusher for a vertical mill according to claim 7, wherein: the belt wheel is connected with the motor through a belt, the motor is installed on the motor base, and the motor base is fixed on the rack.

9. An eccentric roller crusher for a vertical mill according to claim 4 or 5, characterized in that: a double-row aligning roller bearing is arranged between the roller shaft and the isolation plate.