Mine jaw crusher
The jaw crusher addresses wear and vibration issues by using a buffer mechanism to slow down material impact and a support mechanism to reduce vibrations, enhancing crushing efficiency and extending the equipment's lifespan.
Patent Information
- Application Number
- CN202421996329.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-18
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-18
AI Technical Summary
In the feeding of existing crushers, the jaw plate is seriously worn due to the impact of the ore from a certain height, and the vibration during the crushing process affects the service life.
The buffer mechanism and support mechanism are adopted to reduce the ore drop speed by the cooperation of the hinge frame, hinge shaft, baffle, buffer pad, telescopic column and spring; the vibration of the crusher is reduced by the cooperation of the base, mounting cylinder, damper, shock absorber spring, limit plate and support.
Effectively protect the jaw plate, reduce wear, improve the service life of the crusher, reduce vibration impact, and improve crushing effect.
Smart Images
Figure CN223096853U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of jaw crushers, and particularly relates to a mine jaw crusher. Background Art
[0002] The jaw crusher is commonly known as the jaw breaker, also known as the tiger's mouth. It consists of a moving jaw and a static jaw, and the two jaw plates form a crushing cavity. It is a crusher that simulates the movement of the two jaws of an animal to complete the material crushing operation. It is widely used in the crushing of various ores and large pieces of materials in industries such as mine smelting, building materials, highways, railways, water conservancy, and chemical engineering.
[0003] The working part of the jaw crusher is two jaw plates. One is the fixed jaw plate, which is vertically fixed on the front wall of the machine body, and the other is the moving jaw plate, which is inclined and forms a crushing cavity that is larger at the top and smaller at the bottom with the fixed jaw plate. The moving jaw plate makes a periodic reciprocating motion towards the fixed jaw plate, sometimes separating and sometimes approaching. When separating, the material enters the crushing cavity, and the finished product is discharged from the lower part; when approaching, the material between the two jaw plates is subjected to extrusion, bending, and splitting effects and is crushed.
[0004] In view of the existing technology, the following problems exist:
[0005] In the actual use process of the existing crusher, due to the impact of the ore from a certain height during feeding, the wear of the jaw plates of the crusher is aggravated, and the crushing effect will be reduced after a long time; at the same time, due to the certain vibration generated during the crushing process of the existing crusher, the vibration of the frame is caused, which affects the crushing process to a certain extent and reduces the service life. Summary of the Utility Model
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] A mine jaw crusher includes a frame. On the left side of the upper end of the frame, brackets are symmetrically and fixedly installed. At the top of the brackets, a feed hopper is fixedly installed. Inside the feed hopper, a buffer mechanism is installed. At the bottom of the frame, a support mechanism is installed. At the front end of the frame, a mounting seat is fixedly installed. On the upper end of the mounting seat, a motor is fixedly installed. At the right front end of the upper end of the frame, a large pulley is rotatably connected. A belt is sleeved outside the large pulley. At the right rear end of the upper end of the frame, a flywheel is rotatably connected. A moving jaw plate is rotatably installed between the large pulley and the flywheel. On the right side inside the frame, a fixed jaw plate is fixedly installed. A number of spring ones are fixedly installed at equal intervals on the inner sides of the moving jaw plate and the fixed jaw plate. At the top of the spring ones, a mounting plate is fixedly installed. Guide blocks are symmetrically opened on both the front and rear sides of the mounting plate. Guide grooves are symmetrically opened on the front and rear inner walls of the moving jaw plate and the fixed jaw plate. A jaw tooth plate is fixedly installed on the surface of the mounting plate.
[0008] Preferably, the buffer mechanism includes a hinged frame, the bottom end of the hinged frame is fixedly connected to the inner wall of the feed hopper, a hinge shaft is rotatably connected in the middle of the hinged frame, a baffle is fixedly sleeved outside the hinge shaft, a buffer pad is fixedly installed on the surface of the baffle, a telescopic column is fixedly installed on the inner wall of the feed hopper, and a second spring is sleeved outside the telescopic column.
[0009] Preferably, the top of the telescopic column is fixedly connected to the rear end of the baffle.
[0010] Preferably, one end of the second spring is fixedly connected to the inner wall of the feed hopper, and the other end is fixedly connected to the rear end surface of the baffle.
[0011] Preferably, the support mechanism includes a base, the upper end of the base is movably connected to the lower end of the frame, an installation cylinder is fixedly installed at the upper end of the base, a damper is fixedly installed at the bottom end inside the installation cylinder, a shock-absorbing spring is sleeved outside the damper, a limiting plate is fixedly installed at the top of the damper, a support column is fixedly installed at the upper end of the limiting plate, limiting grooves are symmetrically formed in the left and right inner walls of the installation cylinder, and limiting blocks are symmetrically and fixedly installed on both sides of the limiting plate.
[0012] Preferably, one end of the shock-absorbing spring is fixedly connected to the bottom end inside the installation cylinder, the other end is fixedly connected to the lower end of the limiting plate, and the outside of the limiting plate is slidably connected to the inside of the installation cylinder.
[0013] Preferably, the top of the support column extends out of the inside of the installation cylinder, and the limiting block is slidably connected to the limiting groove.
[0014] Preferably, the feed hopper is communicated with the frame, the output rod of the motor is drivingly connected with a small pulley, the small pulley is sleeved with a belt, the guide block is slidably connected with the guide groove, and the four corners of the lower end of the frame are fixedly installed with the tops of the support columns.
[0015] Due to the adoption of the above technical solution, the technical progress obtained by the present utility model compared with the prior art is:
[0016] 1. The present utility model provides a jaw crusher for mines. Through the buffer mechanism, with the cooperation of the hinged frame, hinge shaft, baffle, buffer pad, telescopic column, and second spring, the baffle provided can block the ore entering the feed hopper, and the telescopic column and second spring are used to buffer it, so as to reduce the falling speed of the ore, facilitate its protection, and avoid damage to the two jaw plates.
[0017] 2. The present utility model provides a jaw crusher for mines. Through a support mechanism, with the cooperation of a base, a mounting cylinder, a damper, a shock-absorbing spring, a limiting plate, a support column, a limiting groove, and a limiting block, the limiting plate can move downward, thereby compressing the damper and the shock-absorbing spring. Then, through the resilience of the shock-absorbing spring itself, the vibration of the crusher can be reduced, avoiding affecting the crushing process and increasing the service life of the crusher. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is a schematic structural diagram of the jaw crusher for mines of the present utility model;
[0019] Figure 2 is a schematic structural diagram of the interior of the jaw crusher for mines of the present utility model;
[0020] Figure 3 is a schematic structural diagram of the detail drawing of the jaw crusher for mines of the present utility model;
[0021] Figure 4 is a schematic structural diagram of the buffer mechanism of the present utility model;
[0022] Figure 5 is a schematic structural diagram of the support mechanism of the present utility model.
[0023] In the figure: 1, frame; 2, support; 3, feed hopper; 4, buffer mechanism; 5, support mechanism; 6, mounting seat; 7, motor; 8, large pulley; 9, belt; 10, movable jaw plate; 11, flywheel; 12, fixed jaw plate; 13, first spring; 14, mounting plate; 15, guide block; 16, jaw tooth plate; 17, guide groove; 41, hinged frame; 42, hinge shaft; 43, baffle; 44, buffer pad; 45, telescopic column; 46, second spring; 51, base; 52, mounting cylinder; 53, damper; 54, shock-absorbing spring; 55, limiting plate; 56, support column; 57, limiting groove; 58, limiting block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] The following further elaborates on the present utility model in conjunction with embodiments:
[0025] As Figures 1-5As shown in the figure, the utility model provides a jaw crusher for mines, which includes a frame 1. On the left side of the upper end of the frame 1, brackets 2 are symmetrically and fixedly installed. At the top of the brackets 2, a feed hopper 3 is fixedly installed. Inside the feed hopper 3, a buffer mechanism 4 is installed. At the bottom of the frame 1, a support mechanism 5 is installed. At the front end of the frame 1, a mounting seat 6 is fixedly installed. At the upper end of the mounting seat 6, a motor 7 is fixedly installed. At the right front end of the upper end of the frame 1, a large pulley 8 is rotatably connected. Outside the large pulley 8, a belt 9 is sleeved. At the right rear end of the upper end of the frame 1, a flywheel 11 is rotatably connected. Between the large pulley 8 and the flywheel 11, a moving jaw plate 10 is rotatably installed. On the right side inside the frame 1, a fixed jaw plate 12 is fixedly installed. On the inner sides of the moving jaw plate 10 and the fixed jaw plate 12, a number of fixedly installed first springs 13 are equidistantly distributed. At the top of the first springs 13, a mounting plate 14 is fixedly installed. On the front and rear sides of the mounting plate 14, guide blocks 15 are symmetrically provided. On the front and rear inner walls of the moving jaw plate 10 and the fixed jaw plate 12, guide grooves 17 are symmetrically provided. On the surface of the mounting plate 14, a jaw tooth plate 16 is fixedly installed.
[0026] The feed hopper 3 is communicated with the frame 1. The output rod of the motor 7 is drivingly connected with a small pulley, and the small pulley is sleeved with the belt 9. The guide block 15 slides in the guide groove 17. The four corners of the lower end of the frame 1 are fixedly installed with the tops of the support columns 56.
[0027] When the mounting plate 14 moves, it will drive the guide block 15 to slide synchronously in the guide groove 17, so as to stably guide the movement of the mounting plate 14.
[0028] Through the buffer mechanism 4, the baffle 43 provided can block the ore entering the feed hopper 3, and then use the telescopic column 45 and the second spring 46 to buffer it, so as to reduce the falling speed of the ore, facilitate its protection, and avoid damage to the two jaw plates. Through the support mechanism 5, the limiting plate 55 can move downward, so as to compress the damper 53 and the shock-absorbing spring 54. Then, through the rebounding action of the shock-absorbing spring 54 itself, the vibration of the crusher can be reduced, the impact on the crushing process can be avoided, and the service life of the crusher can be improved.
[0029] As Figure 4 shown, the buffer mechanism 4 includes a hinged frame 41. The bottom end of the hinged frame 41 is fixedly connected with the inner wall of the feed hopper 3. In the middle of the hinged frame 41, a hinge shaft 42 is rotatably connected. Outside the hinge shaft 42, a baffle 43 is fixedly sleeved. On the surface of the baffle 43, a buffer pad 44 is fixedly installed. On the inner wall of the feed hopper 3, a telescopic column 45 is fixedly installed. Outside the telescopic column 45, a second spring 46 is sleeved.
[0030] The top of the telescopic column 45 is fixedly connected with the rear end of the baffle 43.
[0031] One end of the second spring 46 is fixedly connected to the inner wall of the feed hopper 3, and the other end is fixedly connected to the rear surface of the baffle 43.
[0032] The number of buffer structures can be determined according to the height of the feed hopper 3 of the crusher. When the height is relatively high, the height of the buffer structure is adjusted accordingly.
[0033] Such as Figure 5 As shown, the support mechanism 5 includes a base 51. The upper end of the base 51 is movably connected to the lower end of the frame 1. An installation cylinder 52 is fixedly installed at the upper end of the base 51. A damper 53 is fixedly installed at the bottom end inside the installation cylinder 52. A shock-absorbing spring 54 is sleeved outside the damper 53. A limit plate 55 is fixedly installed at the top of the damper 53. A support column 56 is fixedly installed at the upper end of the limit plate 55. Limit grooves 57 are symmetrically formed in the left and right inner walls of the installation cylinder 52. Limit blocks 58 are symmetrically and fixedly installed on both the left and right sides of the limit plate 55.
[0034] One end of the shock-absorbing spring 54 is fixedly connected to the bottom end inside the installation cylinder 52, and the other end is fixedly connected to the lower end of the limit plate 55. The outside of the limit plate 55 is slidably connected to the inside of the installation cylinder 52.
[0035] The top of the support column 56 extends out of the inside of the installation cylinder 52, and the limit block 58 is slidably connected to the limit groove 57.
[0036] When the limit plate 55 moves up and down inside the installation cylinder 52, it will drive the limit block 58 to slide synchronously in the limit groove 57, thereby improving the smoothness of the movement of the limit plate 55.
[0037] Next, specifically describe the working principle of this jaw crusher for mines.
[0038] Such as Figures 1-5As shown in the figure, when the jaw crusher of the mine is in use and the crusher is working, the ore will fall into the inside of the frame 1 through the feed hopper 3. When the ore enters the feed hopper 3, it will first contact the buffer pad 44 on the baffle 43, and the buffer pad 44 can be used to conduct preliminary buffering on it. Then the baffle 43 will drive the hinge shaft 42 to move backward in the hinge frame 41, thereby compressing the rear telescopic column 45 and the second spring 46. Furthermore, by using the rebound effect of the second spring 46, the ore can be further buffered, so as to reduce the falling speed of the ore and avoid damage to the two sets of jaw plates caused by the rapidly falling ore. When the crusher is working, the moving jaw plate 10 will move downward below the fixed jaw plate 12, so that the jaw tooth plates 16 on the moving jaw plate 10 and the fixed jaw plate 12 come into contact with the ore, causing the ore to be crushed by extrusion, splitting, and impact between the moving jaw plate 10 and the fixed jaw plate 12. And when the jaw tooth plate 16 contacts the ore, it will drive the mounting plate 14 to move backward, thereby compressing the first spring 13. And through the rebound action of the first spring 13, the crushing effect of the two sets of jaw tooth plates 16 on the ore will be improved, so that the broken ore fragments are discharged through the bottom of the frame 1. At the same time, when the crusher is crushing, it will generate a certain amount of vibration, which will drive the support column 56 to move downward, and then the support column 56 will drive the limit plate 55 to move synchronously, thereby compressing the damper 53 and the shock-absorbing spring 54. Furthermore, by using the elastic action of the shock-absorbing spring 54 itself, the vibration force can be weakened, so as to avoid the vibration of the frame 1.
[0039] The above has generally described the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, any modifications or improvements made without departing from the spirit and concept of the present invention are within the protection scope of the present invention.
Claims
1. A jaw crusher for mines, comprising a frame (1), and supports (2) are symmetrically and fixedly installed on the left side of the upper end of the frame (1). It is characterized in that: A feed hopper (3) is fixedly installed at the top of the bracket (2). A buffer mechanism (4) is installed inside the feed hopper (3). A support mechanism (5) is installed at the bottom of the frame (1). An installation seat (6) is fixedly installed at the front end of the frame (1). A motor (7) is fixedly installed at the upper end of the installation seat (6). A large pulley (8) is rotatably connected to the upper right front end of the frame (1). A belt (9) is sleeved outside the large pulley (8). A flywheel (11) is rotatably connected to the upper right rear end of the frame (1). A moving jaw plate (10) is rotatably installed between the large pulley (8) and the flywheel (11). A fixed jaw plate (12) is fixedly installed on the right side inside the frame (1). A number of fixedly installed first springs (13) are evenly distributed on the inner sides of the moving jaw plate (10) and the fixed jaw plate (12). The top of the first spring (13) is fixedly installed with a mounting plate (14). Guide blocks (15) are symmetrically opened on both the front and rear sides of the mounting plate (14). Guide grooves (17) are symmetrically opened on the front and rear inner walls of the moving jaw plate (10) and the fixed jaw plate (12). A jaw tooth plate (16) is fixedly installed on the surface of the mounting plate (14).
2. The jaw crusher for a mine according to claim 1, wherein: The buffer mechanism (4) includes a hinged frame (41). The bottom end of the hinged frame (41) is fixedly connected to the inner wall of the feed hopper (3). A hinge shaft (42) is rotatably connected to the middle of the hinged frame (41). A baffle (43) is fixedly sleeved outside the hinge shaft (42). A buffer pad (44) is fixedly installed on the surface of the baffle (43). A telescopic column (45) is fixedly installed on the inner wall of the feed hopper (3). A second spring (46) is sleeved outside the telescopic column (45).
3. The jaw crusher for mines according to claim 2, wherein: The top of the telescopic column (45) is fixedly connected to the rear end of the baffle (43).
4. The jaw crusher for a mine according to claim 3, characterized in that: One end of the second spring (46) is fixedly connected to the inner wall of the feed hopper (3), and the other end is fixedly connected to the rear end surface of the baffle (43).
5. The jaw crusher for a mine according to claim 1, characterized in that: The support mechanism (5) includes a base (51). The upper end of the base (51) is movably connected to the lower end of the frame (1). An installation cylinder (52) is fixedly installed at the upper end of the base (51). A damper (53) is fixedly installed at the bottom end inside the installation cylinder (52). A shock-absorbing spring (54) is sleeved outside the damper (53). A limiting plate (55) is fixedly installed at the top of the damper (53). A support column (56) is fixedly installed at the upper end of the limiting plate (55). Limiting grooves (57) are symmetrically opened on both the left and right inner walls of the installation cylinder (52). Limiting blocks (58) are symmetrically and fixedly installed on both the left and right sides of the limiting plate (55).
6. The jaw crusher for a mine according to claim 5, characterized in that: One end of the shock-absorbing spring (54) is fixedly connected to the bottom end inside the installation cylinder (52), and the other end is fixedly connected to the lower end of the limiting plate (55). The outside of the limiting plate (55) is slidably connected to the inside of the installation cylinder (52).
7. The jaw crusher for a mine according to claim 6, wherein: The top of the support column (56) extends out of the inside of the installation cylinder (52), and the limiting block (58) is slidably connected to the limiting groove (57).
8. The jaw crusher for a mine according to claim 1, wherein: The feed hopper (3) is communicated with the frame (1). The output rod of the motor (7) is drivingly connected with a small pulley. The small pulley is sleeved with a belt (9). The guide block (15) slides in the guide groove (17). The four corners of the lower end of the frame (1) are fixedly installed with the tops of the support columns (56).