High-speed crusher for ore
By designing a high-speed ore crusher with a staggered hammer and liner structure, the problems of lack of screening function and loose roller gap in double roll crushers in mining ore crushing have been solved, realizing efficient crushing and screening integration and improving particle size control capability.
Patent Information
- Application Number
- CN202520101063.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Existing double roll crushers lack screening capabilities in the field of ore crushing in mining, and the gap between the rolls is prone to loosening, resulting in a decrease in the ability to control product particle size.
A high-speed crusher for ore was designed, which adopts a staggered arrangement of hammers and liners, and combines crushing and screening into one. The liner provides lateral support to prevent loosening, and the friction is reduced by helical gears and balls to enhance the crushing effect.
It achieves efficient integrated crushing and screening of ore, improves crushing efficiency and particle size control, and avoids performance degradation caused by increased roller gap.
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Figure CN223861930U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of crusher technology, and in particular to a high-speed crusher for ore. Background Technology
[0002] A crusher is a pulverizing machine that discharges materials with a particle size greater than 3 mm accounting for more than 50% of the total discharge. It is commonly used for material crushing operations and is widely applied in mining, metallurgy, building materials, highways, railways, water conservancy, and chemical industries. Different types of crushers have different working principles, but they all basically crush materials through some form of compression, impact, or grinding. Among them, the double-roll crusher uses two counter-rotating rollers to crush materials. This type of crusher has advantages such as simple structure, less over-crushing, and the ability to change the tooth shape, size, and arrangement on the roller surface according to the material properties. By changing the gap between the two rollers, the discharge particle size can be controlled, making it suitable for mining ore crushing. However, current double-roll crushers only have crushing functions and do not have screening functions. Moreover, over time, affected by the raw materials, the rollers are prone to loosening, the gap between the rollers will increase, and the ability to control the product particle size will decrease. To address these issues, further design improvements are needed. Utility Model Content
[0003] Therefore, it is necessary to provide a high-speed crusher for ore to address the above problems.
[0004] A high-speed ore crusher includes a frame, a drive motor, a steering gear, a driving rotor, a driven rotor, liners, and a filter. A material trough is located at the upper end of the frame. The driving and driven rotors are movably mounted side-by-side within the material trough. The filter is installed within the frame and located below the material trough. Hammers are provided on the circumferential surfaces of both the driving and driven rotors, and these hammers are staggered. The drive motor and steering gear are mounted on the frame. The output end of the drive motor is connected to the input end of the driving rotor via the steering gear, driving the driving rotor to rotate within the material trough. The input ends of the driving and driven rotors are meshed with gears. Liners are provided on the inner wall of the material trough, and these liners are spaced in a straight line. Each liner is matched to one of the hammers on the driving and driven rotors, and the front end of each liner movably abuts against the driving and driven rotors.
[0005] Preferably, the surface of the liner is provided with a toothed rack.
[0006] Preferably, the gear is a helical gear.
[0007] Preferably, the front end of the liner has a groove, and a ball bearing is disposed in the groove.
[0008] Preferably, the filter includes a coarse screen, a fine screen trough, a screw rod, and a second motor. The coarse screen is installed at the lower end of the material trough, the fine screen trough is located below the coarse screen, the screw rod is installed in the fine screen trough, and the second motor is used to drive the screw rod to rotate in the fine screen trough. The end of the fine screen trough away from the coarse screen has a discharge port.
[0009] Preferably, the liner is made of high manganese steel.
[0010] The advantages of this utility model are: the use of liners arranged in a staggered manner with the hammerhead to assist in crushing materials, and the liners provide lateral support for the active rotor and the driven rotor, preventing loosening and ensuring that the crushing performance meets the standards. Attached Figure Description
[0011] Figure 1 This is a three-dimensional schematic diagram of a high-speed ore crusher according to one embodiment;
[0012] Figure 2 A schematic diagram of an explosion of a high-speed ore crusher;
[0013] Figure 3 This is a three-dimensional schematic diagram of the lining plate. Detailed Implementation
[0014] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.
[0015] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.
[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0017] like Figures 1-3 As shown, a high-speed ore crusher includes a frame 1, a drive motor 2, a steering gear 3, a driving rotor 4, a driven rotor 5, a liner 6, and a filter 7. A material trough 11 is provided at the upper end of the frame 1. The driving rotor 4 and the driven rotor 5 are movably mounted side-by-side within the material trough 11. The filter 7 is installed within the frame 1 and located below the material trough 11. Hammers 41 are provided on the circumference of both the driving rotor 4 and the driven rotor 5, and the hammers 41 on the driving rotor 4 and the driven rotor 5 are offset from each other. The drive motor 2... The drive motor 2, mounted on the frame 1 with a steering gear 3, connects its output to the input of the active rotor 4 via the steering gear 3, causing the active rotor 4 to rotate within the material trough 11. The input of the active rotor 4 meshes with the input of the driven rotor 5 via gears 42. Liners 6 are installed on the inner wall of the material trough 11, spaced in a straight line. Each liner 6 is matched with a hammer 41 on both the active rotor 4 and the driven rotor 5, with the front end of each liner 6 movably contacting both the active rotor 4 and the driven rotor 5. Specifically, in this embodiment, the frame 1 is a metal frame structure with high structural strength. The material trough 11 is vertically continuous, facilitating the entry of ore materials for crushing and output. This design uses a single drive motor 2. The high-power drive motor 2 drives the active rotor 4 to rotate via the steering gear 3. The active rotor 4 meshes with the driven rotor 5 via gears 42, allowing the active rotor 4 to rotate towards the driven rotor 5. Hammers 41 are arranged around the central axis on the circumference of the active rotor 4 and the driven rotor 5, and the hammers 41 on the active rotor 4 and the driven rotor 5 are staggered to avoid collision when the hammers 41 collide during the crushing of materials by rotating in opposite directions. Furthermore, after the material is crushed, because the particle size of the crushed material is different, a filter 7 is installed below the material trough 11 to filter out larger particles, realizing an integrated crushing and filtering structure, avoiding secondary output and screening, and achieving better integration. At the same time, to maintain the stability of the active rotor 4 and the driven rotor 5, liners 6 are installed on the side walls of the material trough 11. The liners 6 are made of high manganese steel, which is high in strength and wear-resistant. The arrangement direction of the liners 6 is consistent with the axial direction of the active rotor 4 and the driven rotor 5, and the liners 6 are spaced apart, that is, a row of liners 6 is staggered from the hammers 41 on the active rotor 4 and the driven rotor 5 to avoid collision. The liners 6 enhance the crushing effect on the material. Meanwhile, the front end of the liner 6 moves in contact with the outer circumferential surfaces of the active rotor 4 and the driven rotor 5 to prevent the stability of the active rotor 4 and the driven rotor 5 from decreasing over time, causing radial movement of the active rotor 4 and the driven rotor 5, which would increase the gap between the active rotor 4 and the driven rotor 5, making it impossible to control the crushed particle size and improve the crushing effect.
[0018] like Figures 2-3As shown, the liner 6 has racks 61 on its surface. Specifically, the racks 61 give the surface of the liner 6 sharp teeth. When material passes through, these racks 61 tear and cut the material, thereby increasing the crushing force and improving the crushing efficiency.
[0019] like Figures 1-2 As shown, gear 42 is a helical gear. The meshing of the helical gear is gradual, which helps to reduce impact and vibration, thereby achieving smooth transmission between the driving rotor 4 and the driven rotor 5.
[0020] like Figure 3 As shown, the front end of the liner 6 has a groove 62, and a ball bearing 63 is disposed in the groove 62. Specifically, the ball bearing 63 rolls against the outer circumferential surfaces of the active rotor 4 and the driven rotor 5, so that the liner 6 provides lateral support for the active rotor 4 and the driven rotor 5 while reducing the frictional resistance generated when in contact with the active rotor 4 and the driven rotor 5.
[0021] like Figure 2 As shown, the filter 7 includes a coarse screen 71, a fine screen trough 72, a screw rod 73, and a second motor 74. The coarse screen 71 is installed at the lower end of the material trough 11, and the fine screen trough 72 is located below the coarse screen 71. The screw rod 73 is installed inside the fine screen trough 72. The second motor 74 drives the screw rod 73 to rotate inside the fine screen trough 72. The end of the fine screen trough 72 away from the coarse screen 71 has a discharge port 721. Specifically, after passing through the material trough 11, the material falls onto the coarse screen 71 for coarse screening. Smaller particles pass through the coarse screen 71 and fall into the fine screen trough 72. The cross-section of the fine screen trough 72 is U-shaped, and the screw rod 73 is installed at the bottom. The second motor 74 is located outside the fine screen trough 72 and drives the screw rod 73 to rotate inside the fine screen trough 72. When it rotates, the material that cannot pass through the fine screen trough 72 can be discharged from the discharge port 721, preventing it from accumulating inside the fine screen trough 72.
[0022] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A high-speed crusher for ore, characterized in that: The device includes a frame, a drive motor, a steering mechanism, a driving rotor, a driven rotor, liners, and a filter. A material trough is located at the top of the frame. The driving and driven rotors are movably mounted side-by-side within the material trough. The filter is installed within the frame, located below the material trough. Hammers are provided on the circumference of both the driving and driven rotors, and these hammers are staggered. The drive motor and steering mechanism are mounted on the frame. The output end of the drive motor is connected to the input end of the driving rotor via the steering mechanism, driving the driving rotor to rotate within the material trough. The input ends of the driving and driven rotors are meshed with gears. Liners are provided on the inner wall of the material trough, and these liner plates are spaced in a straight line. Each liner plate is matched to one of the hammers on the driving and driven rotors, and the front end of each liner plate movably abuts against the driving and driven rotors.
2. The high-speed crusher for ore as described in claim 1, characterized in that: The surface of the liner is provided with a toothed rack.
3. The high-speed crusher for ore as described in claim 1, characterized in that: The gear is a helical gear.
4. A high-speed ore crusher as described in claim 2, characterized in that: The front end of the liner has a groove, and a ball bearing is provided in the groove.
5. A high-speed ore crusher as described in claim 1, characterized in that: The filter includes a coarse screen, a fine screen trough, a screw rod, and a second motor. The coarse screen is installed at the lower end of the material trough, the fine screen trough is located below the coarse screen, the screw rod is installed inside the fine screen trough, and the second motor is used to drive the screw rod to rotate inside the fine screen trough. The end of the fine screen trough away from the coarse screen has a discharge port.
6. A high-speed ore crusher as described in claim 1, characterized in that: The liner is made of high manganese steel.