Mining crusher with anti-blocking function

Abstract

The utility model discloses a mining crusher with an anti-blocking function, and effectively solves the problems that coal and stones are adhered to the inner wall of the crusher and are inconvenient to clean, and the blockage of a discharge port cannot be quickly treated. Comprising a shell, two crushing rollers which are opposite left and right are rotationally connected in the shell, a driving assembly located on the front sides of the crushing rollers is arranged in the shell, swing rods are rotationally connected to the left side and the right side of the shell correspondingly, and cleaning rods capable of making contact with the inner wall of the crusher are fixedly connected to the middles of the swing rods correspondingly; the upper ends of the two connecting rods on the same front and back side are hinged to each other, and the connecting rod on the front side is hinged to the front side of the driving assembly; through the arrangement of the driving assembly, the swing rod, the cleaning rod and the connecting rod, the cleaning rod can be driven by the driving assembly through the connecting rod and the swing rod under the driving of the crushing roller to clean the inner wall in the crusher, and the problems that the crushing effect is reduced and blockage is easily caused due to the fact that coal briquettes adhere to the inner wall are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of crusher anti-blocking, in particular to a mining crusher with an anti-blocking function. Background Art

[0002] Mining crusher is a kind of equipment used for crushing raw materials such as ore and minerals, usually used in mining, metallurgy, construction, chemical industry and other industries. Its function is to crush raw materials into required particle size for subsequent processing and utilization. In the process of using existing mining crushers, since coal materials need to be sprinkled with water to reduce dust during the production process and sometimes the water content in coal mines is high, coal materials are easy to adhere to the inner wall of the crusher during crushing, and need to be cleaned regularly. At the same time, since the crusher may crush the ore unevenly, it is easy to cause the discharge port to be blocked, which needs to be solved urgently. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a mining crusher with an anti-blocking function, which effectively solves the problem of coal stone adhering to the inner wall of the crusher, which is inconvenient to clean, and the problem of inability to quickly deal with the blockage of the feed port.

[0004] The technical solution is as follows: the utility model comprises an outer shell, in which two crushing rollers opposite to each other are rotatably connected, a driving assembly is arranged in the outer shell in front of the crushing roller, swing rods are rotatably connected on the left and right sides of the outer shell respectively, a cleaning rod which can contact the inner wall of the crusher is fixedly connected to the middle part of the swing rod, connecting rods are slidably connected on the front and rear sides of the swing rod respectively, the upper ends of the two connecting rods on the same side are hinged to each other, the front connecting rod is hinged to the front side of the driving assembly, a lower hopper is fixedly connected to the lower side of the outer shell, and dredging rakes which can enter the lower hopper are arranged on the left and right sides of the lower hopper respectively.

[0005] The driving assembly includes a rotating disk, which is transmission-connected to the front side of the crushing roller on the left side via a belt, a plug rod is fixedly connected to the front side of the rotating disk, a lifting block is provided on the front side of the rotating disk, a waist-shaped groove is provided on the rear side of the lifting block, the plug rod is located in the waist-shaped groove, a hinge rod is fixedly connected to the front side of the lifting block, and the hinge rod is hinged to the two connecting rods on the front side.

[0006] The front side of the shell is provided with a movable groove located at the front side of the rotating disk, the lifting block is located in the movable groove, the front side of the movable groove is provided with a yielding groove, and the hinge rod is located in the yielding groove.

[0007] The front end of the dredging rake is fixedly connected with a slave gear, and the front end of the lower hopper is slidably connected with two racks that are opposite to each other and can mesh with the corresponding side gears, and the two racks can move relative to or away from each other.

[0008] The front end of the lower hopper is rotatably connected to a main gear located between two racks, and the upper and lower sides of the main gear are respectively meshed with the racks on their corresponding sides. The front side of the lower hopper is fixedly connected to a fixed frame, and a hydraulic rod is arranged in the fixed frame. The output end of the hydraulic rod is fixedly connected to the upper end of the rack on the left side.

[0009] A feed hopper is fixedly connected to the upper end of the shell, and the feed hopper is located just above between the two crushing rollers.

[0010] The left and right sides of the shell are respectively provided with two front-to-back arc grooves, and the lower side of the swing rod is located in the arc groove on the corresponding side.

[0011] The utility model provides a driving component, a swing rod, a cleaning rod and a connecting rod. The driving component can drive the cleaning rod to clean the inner wall in the crusher through the connecting rod and the swing rod under the drive of the crushing roller, so as to avoid the problem that coal blocks adhere to the inner wall and cause the crushing effect to be reduced and blockage to be easily caused. The lower hopper and the unblocking rake are provided. When the lower hopper is blocked, the unblocking rake can be inserted into the lower hopper to unblock the coal blocks blocked in the hopper. There is no need to stop the machine for manual unblocking, which saves time and ensures the safety of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an axonometric drawing of the utility model.

[0013] Figure 2 It is a partially cutaway main axonometric drawing of the utility model.

[0014] Figure 3 It is a partially cutaway axonometric drawing of the present utility model.

[0015] Figure 4 It is a partially cutaway main axonometric view of the middle shell of the utility model.

[0016] Figure 5 It is a right-side exploded isometric view of the swing rod in the utility model.

[0017] Figure 6 This utility model Figure 5 A is an enlarged view of the middle image.

[0018] In the figure: 1. shell; 2. crushing roller; 3. swing rod; 4. cleaning rod; 5. connecting rod; 6. lower hopper; 7. dredging rake; 8. rotating disk; 9. belt; 10. plug rod; 11. lifting block; 12. waist-shaped groove; 13. hinged rod; 14. movable groove; 15. give way groove; 16. slave gear; 17. rack; 18. main gear; 19. fixed frame; 20. hydraulic rod; 21. feed hopper; 22. arc groove. DETAILED DESCRIPTION

[0019] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0020] Depend on Figures 1 to 4 It is given, including an outer shell 1, in which two left and right opposite crushing rollers 2 are rotatably connected, a driving assembly is provided in the outer shell 1 at the front side of the crushing roller 2, the left and right sides of the outer shell 1 are respectively rotatably connected, a cleaning rod 4 that can contact the inner wall of the crusher is fixedly connected to the middle of the swing rod 3, the front and rear sides of the swing rod 3 are respectively slidably connected with connecting rods 5, the upper ends of the two connecting rods 5 on the same side of the front and rear are hinged to each other, the front connecting rod 5 is hinged to the front side of the driving assembly, a lower hopper 6 is fixedly connected to the lower side of the outer shell 1, and the left and right sides of the lower hopper 6 are respectively provided with dredging rakes 7 that can enter the lower hopper 6.

[0021] like Figures 1 to 6 As shown, a crushing roller 2 is provided to crush the coal blocks, and a motor is provided in the crusher to drive the crushing roller 2 to rotate. A driving assembly, a swing rod 3, a cleaning rod 4 and a connecting rod 5 are provided, and the driving assembly can be used to drive the cleaning rod 4 to clean the inner wall of the crusher through the connecting rod 5 and the swing rod 3 under the drive of the crushing roller 2, so as to avoid the problem that the coal blocks on the inner wall adhere to and agglomerate, resulting in a decrease in the crushing effect and easy blockage. A lower hopper 6 and a dredging rake 7 are provided, and when the lower hopper 6 is blocked, the dredging rake 7 can be inserted into the lower hopper 6 to dredge the coal blocks blocked in the hopper, without stopping the machine for manual dredging, thus saving time and ensuring the safety of workers.

[0022] The driving assembly includes a rotating disk 8, which is connected to the front side of the crushing roller 2 on the left side through a belt 9. A plug rod 10 is fixedly connected to the front side of the rotating disk 8. A lifting block 11 is provided on the front side of the rotating disk 8. A waist-shaped groove 12 is provided on the rear side of the lifting block 11. The plug rod 10 is located in the waist-shaped groove 12. A hinged rod 13 is fixedly connected to the front side of the lifting block 11. The hinged rod 13 is hinged to the two connecting rods 5 on the front side.

[0023] like Figures 2 to 6 As shown, the rotating disk 8, belt 9, lifting block 11, insertion rod 10, waist-shaped groove 12 and hinged rod 13 are arranged so that the belt 9 can be used to connect the crushing roller 2 with the rotating disk 8, so that when the crushing roller 2 rotates, the rotating disk 8 is driven to rotate at the same time, and then the rotating disk 8 drives the lifting block 11 to rise and fall through the insertion rod 10. During the lifting process of the lifting block 11, the connecting rod 5 and the swing rod 3 are driven to start swinging through the hinged rod 13, and then the inner wall of the crusher is cleaned by the cleaning rod 4. If the crusher has a large power and the crushing roller 2 rotates too fast, a deceleration component can be set between the crushing roller 2 and the driving component to keep the speed of the cleaning rod 4 cleaning the inner wall within the required speed range.

[0024] The housing 1 has a movable slot 14 on the front side of the rotating disk 8 , the lifting block 11 is located in the movable slot 14 , a clearance slot 15 is provided on the front side of the movable slot 14 , and the hinge rod 13 is located in the clearance slot 15 .

[0025] like Figure 3 to Figure 4 As shown, the movable groove 14 and the clearance groove 15 are provided to ensure that the lifting block 11 will not be skewed during the lifting process, and the clearance groove 15 facilitates the movement of the hinge rod 13.

[0026] The front end of the dredging rake 7 is fixedly connected with a slave gear 16, and the front end of the lower hopper 6 is slidably connected with two left and right opposite racks 17 that can mesh with their corresponding side gears, and the two racks 17 can move relative to or away from each other.

[0027] like Figure 1 As shown in path 4, a gear 16 and a rack 17 are provided, and the rack 17 can be used to drive the two gears to move in opposite directions, thereby driving the two dredging rakes 7 to swing relative to or in opposite directions, thereby dredging the inside of the lower hopper 6. When not in use, the two dredging rakes 7 are located outside the lower hopper 6 to avoid affecting the discharge of materials.

[0028] The front end of the lower hopper 6 is rotatably connected to a main gear 18 located between two racks 17. The upper and lower sides of the main gear 18 are respectively meshed with the racks 17 on the corresponding sides. The front side of the lower hopper 6 is fixedly connected to a fixed frame 19. A hydraulic rod 20 is provided in the fixed frame 19. The output end of the hydraulic rod 20 is fixedly connected to the upper end of the rack 17 on the left side.

[0029] like Figures 1 to 4 As shown, a fixing frame 19 is provided to fix the hydraulic rod 20. The hydraulic rod 20 and the main gear 18 are provided so that the hydraulic rod 20 can be used to drive the rack 17 on the left to move. At the same time, the main gear 18 can drive the rack 17 on the right to move in the opposite direction, thereby ensuring the synchronous rotation of the dredging rake 7.

[0030] A feed hopper 21 is fixedly connected to the upper end of the shell 1 , and the feed hopper 21 is located just above between the two crushing rollers 2 .

[0031] like Figure 1 to Figure 2 As shown, a feed hopper 21 is provided to facilitate the feeding of coal blocks into the crusher.

[0032] The housing 1 has two arc-shaped grooves 22 disposed on the left and right sides thereof, each of which is opposite to the other. The lower side of the swing rod 3 is located in the arc-shaped groove 22 on the corresponding side.

[0033] like Figure 3 to Figure 4 As shown, an arc groove 22 is provided to facilitate the normal swing of the swing rod 3. At the same time, 9 belts can be provided in the arc groove 22 to prevent coal blocks from entering the arc groove 22 and causing blockage.

[0034] The utility model starts the crusher when in use, the motor in the crusher drives the crushing roller 2 to rotate, the coal blocks are put into the feed hopper 21 for crushing, the crushing roller 2 in the shell 1 drives the rotating disk 8 to rotate through the belt 9, the rotating disk 8 drives the lifting block 11 to rise and fall in the movable groove 14 through the action of the insertion rod 10 and the waist-shaped groove 12, and then the swing rod 3 is driven to swing by the hinge rod 13 through the connecting rod 5, and the swing rod 3 drives the cleaning rod 4 to scrape and clean the inner wall of the crusher;

[0035] The coal blocks are crushed by the crushing roller 2 and discharged from the lower hopper 6. When the lower hopper 6 is blocked, the hydraulic rod 20 is started, and the hydraulic rod 20 drives the rack 17 on the left to move left and right, and the rack 17 on the right moves in the opposite direction synchronously through the main gear 18, and then the dredging rake 7 is driven to swing back and forth through the slave gears 16 on the corresponding sides to dredge the inside of the lower hopper 6. After the dredging is completed, the hydraulic rod 20 is closed, and the two dredging rakes 7 are in an open state and are located outside the lower hopper 6 to avoid affecting the discharge of materials.

[0036] In the present invention, the hydraulic rod 20 is a prior art and will not be described in detail herein.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A mining crusher with anti-blocking function, comprising a housing (1), characterized in that: Two crushing rollers (2) facing each other are rotatably connected in the housing (1). A driving assembly is provided in the housing (1) and is located in front of the crushing rollers (2). Swing rods (3) are rotatably connected to the left and right sides of the housing (1). A cleaning rod (4) that can contact the inner wall of the crusher is fixedly connected to the middle of the swing rod (3). Connecting rods (5) are slidably connected to the front and rear sides of the swing rod (3). The upper ends of the two connecting rods (5) on the same side are hinged to each other. The front connecting rod (5) is hinged to the front side of the driving assembly. A lower hopper (6) is fixedly connected to the lower side of the housing (1). A dredging rake (7) that can enter the lower hopper (6) is provided on the left and right sides of the lower hopper (6).

2. A mining crusher with anti-blocking function according to claim 1, characterized in that: The driving assembly comprises a rotating disk (8), the rotating disk (8) being transmission-connected to the front side of the crushing roller (2) on the left side via a belt (9), a plug rod (10) being fixedly connected to the front side of the rotating disk (8), a lifting block (11) being provided at the front side of the rotating disk (8), a waist-shaped groove (12) being provided at the rear side of the lifting block (11), the plug rod (10) being located in the waist-shaped groove (12), a hinged rod (13) being fixedly connected to the front side of the lifting block (11), and the hinged rod (13) being hingedly connected to two connecting rods (5) at the front side.

3. A mining crusher with anti-blocking function according to claim 2, characterized in that: The housing (1) has a movable groove (14) on the front side thereof, which is located in front of the rotating disk (8). The lifting block (11) is located in the movable groove (14). A clearance groove (15) is provided on the front side of the movable groove (14). The hinge rod (13) is located in the clearance groove (15).

4. A mining crusher with anti-blocking function according to claim 1, characterized in that: The front end of the dredging rake (7) is fixedly connected to a slave gear (16), and the front end of the lower hopper (6) is slidably connected to two left and right opposite racks (17) that can mesh with their corresponding side gears. The two racks (17) can move relative to or away from each other.

5. The mining crusher with anti-blocking function according to claim 1, characterized in that: The front end of the lower hopper (6) is rotatably connected to a main gear (18) located between two racks (17), and the upper and lower sides of the main gear (18) are respectively meshed with the racks (17) on the corresponding sides thereof. The front side of the lower hopper (6) is fixedly connected to a fixed frame (19), and a hydraulic rod (20) is arranged in the fixed frame (19). The output end of the hydraulic rod (20) is fixedly connected to the upper end of the rack (17) on the left side.

6. A mining crusher with anti-blocking function according to claim 1, characterized in that: A feed hopper (21) is fixedly connected to the upper end of the shell (1), and the feed hopper (21) is located directly above between the two crushing rollers (2).

7. A mining crusher with anti-blocking function according to claim 1, characterized in that: The housing (1) is provided with two front-to-rear facing arc grooves (22) on the left and right sides respectively, and the lower side of the swing rod (3) is located in the arc groove (22) on the corresponding side.

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