High-safety stone crushing device

Abstract

The utility model relates to the technical field of jaw crushers, in particular to a high-safety stone crushing device. According to an existing crusher, broken stone is likely to be splashed out of the crusher in the stone crushing process, so that surrounding equipment and personnel are injured, and the defects that stone which is not crushed thoroughly exists, and the crushing effect is poor are overcome. A high-safety stone crushing device comprises a bottom frame, a discharging frame, a protection box and the like. A discharging frame is fixedly connected to the bottom frame, a protection box is fixedly connected to the bottom frame, and the protection box is located over the discharging frame. The movable jaw plate shakes and is matched with the static jaw plate to crush stones, when the static jaw plate and the movable jaw plate crush the stones, the stones jump and splash in the static jaw plate and the movable jaw plate, the baffle can prevent the crushed stones from flying out of the device, the splashed stones are effectively protected, and the stone crushing efficiency is improved. And damage to surrounding equipment and personnel caused by splashing of the broken stones is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of jaw crushers, in particular to a high-safety stone crushing device. Background Art

[0002] Crusher is a kind of crushing machine that uses impact to crush materials, and is commonly used to crush ore, coal, lime, etc. Common crushers include jaw crushers, which are mainly composed of two jaw plates, a movable jaw and a static jaw, to form a crushing chamber, simulating the movement of the two jaws of animals to complete the material crushing operation, and are widely used in the medium-sized crushing of various ores and bulk materials in industries such as mining, smelting, building materials, roads, railways, water conservancy and chemicals.

[0003] With existing crushers, when workers put stones into the device for crushing, the stones are easily splashed out of the device during the crushing process, causing damage to surrounding equipment and personnel. In addition, during the discharge process, there are stones that are not completely crushed, resulting in the final crushing degree of the stones not meeting the requirements and the crushing effect being poor. Utility Model Content

[0004] In order to overcome the shortcomings of existing crushers, in which stones are easily splashed out of the device during the crushing process, thereby causing damage to surrounding equipment and personnel, and there are stones that are not completely crushed, resulting in poor crushing effect. The utility model provides a high-safety stone crushing device that can prevent crushed stones from flying out of the device, reduce the damage to surrounding equipment and personnel caused by stone splashing, and can also crush stones thoroughly to improve the crushing effect.

[0005] The technical scheme of the utility model is: a high-safety stone crushing device, including a base frame, a discharge frame, a protection box, a static jaw plate, a motor, a fixed block, a rotating roller, a pulley group, a frame, a movable jaw assembly and a splash-proof assembly. The upper part of the base frame is fixedly connected with the discharge frame, the base frame is fixedly connected with the protection box, the protection box is located directly above the discharge frame, one side of the inner wall of the protection box is fixedly connected with the static jaw plate, the side of the base frame away from the protection box is fixedly connected with the motor, the top of the protection box is fixedly connected with two fixed blocks, the two fixed blocks are symmetrically arranged, and there is a gap between the two fixed blocks. A rotating roller is rotatably connected, a pulley group is provided between the rotating roller and the motor, the pulley group includes a driving pulley, a passive pulley and a belt, a driving pulley is fixedly connected to the output shaft of the motor, a passive belt is fixedly connected to one side of the rotating roller, a belt is wound between the driving pulley and the passive pulley, a movable jaw assembly is provided on the rotating roller, the movable jaw assembly is located inside the protective box, the movable jaw assembly is used to quickly crush stones, and the splash-proof assembly is used to prevent the crushed stones from splashing, thereby reducing the damage caused by the splashing of gravel to surrounding equipment and personnel.

[0006] Preferably, the movable jaw includes a frame, a movable jaw plate, a fixed frame, a connecting rod, a swing frame, a swing rod and a reset spring. The rotating roller is rotatably connected to the frame, the side of the frame close to the static jaw plate is fixedly connected to the movable jaw plate, the side of the inner wall of the protective box away from the static jaw plate is fixedly connected to the fixed frame, two connecting rods are rotatably connected to the fixed frame, the two connecting rods are symmetrically arranged, one end of the two connecting rods away from the fixed frame is rotatably connected to the frame, the lower part of the inner wall of the protective box is rotatably connected to the swing frame, the swing frame is located below the two connecting rods, the side of the frame close to the swing frame is rotatably connected to the swing rod, the end of the swing rod away from the frame is slidably connected to the swing frame, and a reset spring is connected between the swing rod and the swing frame.

[0007] Preferably, the splash-proof assembly includes a feed box, a baffle and a return spring. The top of the protective box is fixedly connected to the feed box, the feed box is located above the static jaw plate and the movable jaw plate, the baffle is slidably connected to the upper part of the inner wall of the feed box, and two return springs are connected between the baffle and the protective box.

[0008] Preferably, it also includes a crushing roller, a second pulley group and a gear. The lower part of the protective box is rotatably connected to two crushing rollers, a second pulley group is provided between one of the crushing rollers and the rotating roller, the second pulley group includes a large pulley, a small pulley and a second belt, the end of the rotating roller away from the passive belt is fixedly connected to the large pulley, one side of one of the crushing rollers is fixedly connected to the small pulley, a second belt is wound between the large pulley and the small pulley, and the two crushing rollers are fixedly connected to gears on the sides away from the small pulley, and the two gears are meshed.

[0009] Preferably, a protection bar is also included, and the bottom of the protection box is fixedly connected with the protection bar, and the protection bar is in contact with the discharge frame.

[0010] The beneficial effects of the utility model are as follows: 1. Workers put the stones to be crushed into the feeding box. The weight of the stones put in will press the baffle to swing, and the return spring will be compressed. Then, after the stones fall into the static jaw plate and the movable jaw plate, the return spring will drive the baffle to reset, and the movable jaw plate will shake and cooperate with the static jaw plate to crush the stones. When the static jaw plate and the movable jaw plate are crushing the stones, the stones will jump and splash inside the static jaw plate and the movable jaw plate. The baffle can prevent the broken stones from flying out of the device, effectively protect the splashing stones, and reduce the damage caused by the splashing of broken stones to surrounding equipment and personnel.

[0011] 2. The output shaft of the motor drives the rotating roller to rotate through the pulley set 1. The rotation of the rotating roller will drive the gear to rotate through the pulley set 2. The rotation of the gear will drive the crushing roller to rotate. The rotation of the two crushing rollers can crush the crushed stones more thoroughly and improve the crushing effect of the stones. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1This is a schematic diagram of the first three-dimensional structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the second three-dimensional structure of the utility model.

[0014] Figure 3 This is a schematic diagram of a partially cutaway three-dimensional structure of the first type of the utility model.

[0015] Figure 4 It is a schematic diagram of a second partially cutaway three-dimensional structure of the utility model.

[0016] Figure 5 It is a schematic diagram of a third partial cutaway three-dimensional structure of the utility model.

[0017] Figure numbers: 1_base frame, 101_discharge frame, 2_protective box, 201_static jaw plate, 3_motor, 5_fixed block, 6_rotating roller, 7_pulley group one, 8_frame, 9_moving jaw plate, 10_fixed frame, 11_connecting rod, 12_swing frame, 13_swing rod, 14_reset spring, 15_feeding box, 16_baffle, 17_return spring, 18_crushing roller, 19_pulley group two, 20_gear, 21_protective strip. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] Embodiment 1: A high-safety lithotripsy device, such as Figure 1-Figure 4As shown, it includes a base frame 1, a discharge frame 101, a protection box 2, a static jaw plate 201, a motor 3, a fixed block 5, a rotating roller 6, a pulley group 7, a frame 8, a movable jaw assembly and a splash-proof assembly. The upper part of the base frame 1 is fixedly connected with the discharge frame 101, and the base frame 1 is fixedly connected with the protection box 2, and the protection box 2 is located directly above the discharge frame 101. The static jaw plate 201 is fixedly connected to one side of the inner wall of the protection box 2, and the static jaw plate 201 is used for crushing stones. The side of the base frame 1 away from the protection box 2 is fixedly connected with the motor 3, and the top of the protection box 2 is fixedly connected with two fixed blocks 5, and the two fixed blocks 5 are symmetrically arranged A rotating roller 6 is rotatably connected between the two fixed blocks 5, a pulley group 7 is provided between the rotating roller 6 and the motor 3, the pulley group 7 includes a driving pulley, a passive pulley and a belt 1, a driving pulley is fixedly connected to the output shaft of the motor 3, a passive belt is fixedly connected to one side of the rotating roller 6, a belt 1 is wound between the driving pulley and the passive pulley, a movable jaw assembly is provided on the rotating roller 6, the movable jaw assembly is located inside the protective box 2, the movable jaw assembly is used to quickly crush stones, and the splash-proof assembly is used to prevent the crushed stones from splashing, thereby reducing the damage caused by the splashing of gravel to surrounding equipment and personnel.

[0020] The movable jaw includes a frame 8, a movable jaw plate 9, a fixed frame 10, a connecting rod 11, a swing frame 12, a swing rod 13 and a reset spring 14. The rotating roller 6 is rotatably connected to the frame 8. The side of the frame 8 close to the static jaw plate 201 is fixedly connected to the movable jaw plate 9. The movable jaw plate 9 is used for crushing stones. The inner wall of the protective box 2 is fixedly connected to the fixed frame 10 on the side away from the static jaw plate 201. Two connecting rods 11 are rotatably connected to the fixed frame 10. The two connecting rods 11 are symmetrically arranged. One end of the two connecting rods 11 away from the fixed frame 10 is rotatably connected to the frame 8. The connecting rod 11 is used to support the frame 8. The lower part of the inner wall of the protective box 2 is rotatably connected to the swing frame 12. The swing frame 12 is located below the two connecting rods 11. The side of the frame 8 close to the swing frame 12 is rotatably connected to the swing rod 13. The end of the swing rod 13 away from the frame 8 is slidably connected to the swing frame 12. A reset spring 14 is connected between the swing rod 13 and the swing frame 12.

[0021] The splash-proof assembly includes a feed box 15, a baffle 16 and a return spring 17. The feed box 15 is fixedly connected to the top of the protection box 2. The feed box 15 is located above the static jaw plate 201 and the movable jaw plate 9. The baffle 16 is slidably connected to the upper inner wall of the feed box 15. The baffle 16 is used to intercept splashing gravel. Two return springs 17 are connected between the baffle 16 and the protection box 2.

[0022] In actual use, workers put the stones to be crushed into the feeding box 15. The stones of a certain weight will press the baffle 16 to swing, and the return spring 17 will be compressed. Then, after the stones fall between the static jaw plate 201 and the movable jaw plate 9, the return spring 17 will drive the baffle 16 to reset. The worker starts the motor 3, and the output shaft of the motor 3 drives the rotating roller 6 to rotate through the pulley group 7. The rotating roller 6 is eccentrically set. The rotation of the rotating roller 6 will drive the frame 8 and the movable jaw plate 9 to shake. The shaking of the movable jaw plate 9 will drive the two connecting rods 11 and the swing frame 12 to swing. The swing rod 13 will slide back and forth on the swing frame 12 to reset. The spring 14 is compressed back and forth, the movable jaw plate 9 vibrates and crushes the stone together with the static jaw plate 201. When the static jaw plate 201 and the movable jaw plate 9 are crushing the stone, the stone will jump and splash inside the static jaw plate 201 and the movable jaw plate 9. The baffle 16 can prevent the broken stone from flying out of the device, effectively protect the splashing stone, and reduce the damage caused by the splashing of the broken stone to the surrounding equipment and personnel. The broken stone will fall into the discharge frame 101 and be discharged into the device along the inclined surface of the discharge frame 101 until the stone between the static jaw plate 201 and the movable jaw plate 9 is crushed, and the worker turns off the motor 3.

[0023] Embodiment 2: Based on embodiment 1, Figure 1 and Figure 5 As shown, it also includes a crushing roller 18, a pulley group 2 19 and a gear 20. The lower part of the protective box 2 is rotatably connected to two crushing rollers 18, and the crushing rollers 18 are used to crush gravel. A pulley group 2 19 is provided between one of the crushing rollers 18 and the rotating roller 6. The pulley group 2 19 includes a large pulley, a small pulley and a belt 2. The end of the rotating roller 6 away from the passive belt is fixedly connected to the large pulley, one side of one of the crushing rollers 18 is fixedly connected to the small pulley, and the belt 2 is wound between the large pulley and the small pulley. The two crushing rollers 18 are fixedly connected to the gear 20 on the side away from the small pulley, and the two gears 20 are meshed.

[0024] The output shaft of the motor 3 drives the rotating roller 6 to rotate through the pulley set 1 7. The rotation of the rotating roller 6 drives the gear 20 to rotate through the pulley set 2 19. The rotation of the gear 20 drives the crushing roller 18 to rotate. The rotation of the two crushing rollers 18 can crush the crushed stones more thoroughly, which can improve the crushing effect of the stones.

[0025] Embodiment 3: Based on embodiment 2, Figure 5 As shown, a protection strip 21 is also included. The bottom of the protection box 2 is fixedly connected with the protection strip 21. The protection strip 21 is in contact with the discharge frame 101. The protection strip 21 is used to protect the gravel splashed during the discharge.

[0026] The rotation of the gear 20 will drive the crushing roller 18 to rotate. The rotation of the two crushing rollers 18 can further crush the crushed stones. The crushed stones will fall into the discharge frame 101 and be discharged along the inclined surface of the discharge frame 101. The crushed stones will contact the protection strip 21 during the discharge process. The protection strip 21 can intercept the flying crushed stones, thereby avoiding the splashing of the crushed stones during the discharge, thereby further improving the safety of the device.

[0027] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are only illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A high-safety lithotripsy device, characterized in that: The invention comprises a base frame (1), a discharge frame (101), a protection box (2), a static jaw plate (201), a motor (3), a fixed block (5), a rotating roller (6), a pulley group (7), a frame (8), a movable jaw assembly and a splash-proof assembly. The upper part of the base frame (1) is fixedly connected to the discharge frame (101). The base frame (1) is fixedly connected to the protection box (2). The protection box (2) is located directly above the discharge frame (101). The static jaw plate (201) is fixedly connected to one side of the inner wall of the protection box (2). The motor (3) is fixedly connected to the side of the base frame (1) away from the protection box (2). Two fixed blocks (5) are fixedly connected to the top of the protection box (2). The two fixed blocks (5) The rotating roller (6) is rotatably connected between the two fixed blocks (5), a pulley group (7) is provided between the rotating roller (6) and the motor (3), the pulley group (7) comprises a driving pulley, a passive pulley and a belt, a driving pulley is fixedly connected to the output shaft of the motor (3), a passive belt is fixedly connected to one side of the rotating roller (6), a belt is wound between the driving pulley and the passive pulley, a movable jaw assembly is provided on the rotating roller (6), the movable jaw assembly is located inside the protective box (2), the movable jaw assembly is used to quickly crush stones, and the splash-proof assembly is used to prevent the crushed stones from splashing, thereby reducing the damage caused by the splashing of crushed stones to surrounding equipment and personnel; The movable jaw comprises a frame (8), a movable jaw plate (9), a fixed frame (10), a connecting rod (11), a swing frame (12), a swing rod (13) and a return spring (14); the rotating roller (6) is rotatably connected to the frame (8); the movable jaw plate (9) is fixedly connected to the side of the frame (8) close to the stationary jaw plate (201); the inner wall of the protective box (2) is fixedly connected to the fixed frame (10) on the side away from the stationary jaw plate (201); two connecting rods (11) are rotatably connected to the fixed frame (10); the two connecting rods (11) are arranged in a slanted manner. The two connecting rods (11) are symmetrically arranged, one end of the two connecting rods (11) away from the fixed frame (10) is rotatably connected to the frame (8), the lower part of the inner wall of the protection box (2) is rotatably connected to a swing frame (12), the swing frame (12) is located below the two connecting rods (11), a side of the frame (8) close to the swing frame (12) is rotatably connected to a swing rod (13), one end of the swing rod (13) away from the frame (8) is slidably connected to the swing frame (12), and a return spring (14) is connected between the swing rod (13) and the swing frame (12); The splash-proof assembly comprises a feeding box (15), a baffle (16) and a return spring (17); the top of the protection box (2) is fixedly connected to the feeding box (15); the feeding box (15) is located above the static jaw plate (201) and the movable jaw plate (9); the upper part of the inner wall of the feeding box (15) is slidably connected to the baffle (16); and two return springs (17) are connected between the baffle (16) and the protection box (2); The invention also comprises a crushing roller (18), a second pulley group (19) and a gear (20). The lower part of the protection box (2) is rotatably connected to the two crushing rollers (18). A second pulley group (19) is provided between one of the crushing rollers (18) and the rotating roller (6). The second pulley group (19) comprises a large pulley, a small pulley and a second belt. The end of the rotating roller (6) away from the passive belt is fixedly connected to the large pulley. The side of one of the crushing rollers (18) away from the small pulley is fixedly connected to the small pulley. The second belt is wound between the large pulley and the small pulley. The two crushing rollers (18) are fixedly connected to the gear (20) on the side away from the small pulley. The two gears (20) are meshed.

2. A high-safety lithotripsy device according to claim 1, characterized in that: It also includes a protection strip (21), the bottom of the protection box (2) is fixedly connected to the protection strip (21), and the protection strip (21) is in contact with the discharge frame (101).

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