Crushing device for ore detection and use method thereof

Abstract

The invention relates to the technical field of ore detection, in particular to an ore detection crushing device which comprises a supporting frame, a mounting seat is fixedly connected to the left side of the supporting frame, a screening mechanism is arranged in the middle in the supporting frame, a crushing mechanism is arranged at the top of the supporting frame, and a dust removal mechanism is arranged on the surface of the crushing mechanism. And the dust removal mechanism comprises a threaded rod, the threaded rod is arranged at the top of the supporting frame, the surface of the threaded rod is in threaded connection with a sliding part, and the top of the sliding part is fixedly connected with a supporting plate. According to the crushing device for ore detection and the use method of the crushing device, the movable dust collection head is arranged, the dust collection range is enlarged, then the dust collector is started, dust generated in the ore crushing process can be collected under the action of the dust collector, the dust can be prevented from being directly discharged into the atmosphere, and the dust collection effect is improved. The content of inhalable particles in the air is reduced, and the environment is well protected.

Description

Technical Field

[0001] The present invention relates to the technical field of ore detection, in particular to a crushing device for ore detection and a use method thereof. Background Art

[0002] Ore refers to a mineral aggregate from which useful components can be extracted or which has certain properties that can be utilized. It can be divided into metallic minerals and non-metallic minerals. The unit content of useful components (elements or minerals) in an ore is called the ore grade. Precious metal ores such as gold and platinum are expressed in grams per ton, while other ores are usually expressed in percentages.

[0003] The patent website announcement number CN 220940936 U discloses a crushing device for iron ore detection, including a box body, a funnel fixedly connected to the bottom of the box body, and a crushing device arranged inside the box body. The crushing device for iron ore detection is provided with a motor, a bracket, a guide plate, a U-shaped tube and a second spiral blade, and the motor output shaft drives the second spiral blade to rotate, so that larger iron ore is transferred from the bottom of the funnel to the top of the crushing roller for re-crushing, thereby improving the automation of the device; and the gear, pulley, rotating shaft, double-headed motor, first spiral blade and crushing roller are provided.

[0004] The above device has the following disadvantages: 1. The crushing device for iron ore detection does not have the function of absorbing the dust generated during the crushing process of iron ore, which causes the dust to be directly discharged into the atmosphere, increasing the content of inhalable particulate matter in the air and causing damage to the environment.

[0005] 2. The crushing device for iron ore detection does not have the function of screening the ore, which results in different sizes of ore particles after crushing, affecting the subsequent ore detection and presenting defects. Summary of the invention

[0006] The object of the present invention is to provide a crushing device for ore detection and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a crushing device for ore detection, comprising a support frame, a mounting seat is fixedly connected to the left side of the support frame, a screening mechanism is arranged in the middle of the support frame, a crushing mechanism is arranged on the top of the support frame, and a dust removal mechanism is arranged on the surface of the crushing mechanism.

[0008] The dust removal mechanism includes a threaded rod, which is arranged on the top of the support frame. A sliding member is threadedly connected to the surface of the threaded rod. A support plate is fixedly connected to the top of the sliding member. Vacuum cleaners are fixedly connected to both sides of the top of the support plate. A connecting pipe is fixedly connected to the surface of the vacuum cleaner, and a dust head is fixedly connected to the side of the connecting pipe facing away from the vacuum cleaner.

[0009] Preferably, a worm wheel is provided at the top of the support frame, and the worm wheel is provided at the top of the support frame. A worm is meshed on the surface of the worm wheel, and a first support member is rotatably connected to the surface of the worm, and the first support member is fixedly connected to the top of the support frame. An external spline is fixedly connected to the right side of the worm, and an internal spline is inserted into the external spline, and the external spline and the internal spline are both provided at the top of the support frame.

[0010] Preferably, a cylinder is fixedly connected to the right side of the internal spline, a fixed plate is rotatably connected to the surface of the cylinder, the fixed plate is fixedly connected to the top of the support frame, a support column is fixedly connected to the right side of the cylinder, and a first pulley group is transmission-connected between the support column and the threaded rod.

[0011] Preferably, the side of the sliding member facing away from the threaded rod is slidably connected to a guide rod, and both sides of the guide rod are fixedly connected to second support members, and the second support members are fixedly connected to the top of the support frame.

[0012] Preferably, the crushing mechanism includes a material box, which is fixedly connected to the right side of the top of the support frame, and the support column is rotatably connected to the left side of the material box surface. A feed hopper is fixedly connected to the top of the material box, and crushing rollers are rotatably connected on both sides of the material box, and the two crushing rollers are symmetrically arranged.

[0013] Preferably, the surface of the crushing roller is rotatably connected to a first fixing part, the first fixing part is fixedly connected to the surface of the material box, the surfaces of the two crushing rollers are fixedly connected to a first flat gear, the surface of the first flat gear is meshed with a second flat gear, the inner ring of the second flat gear is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the surface of the material box.

[0014] Preferably, a support seat is fixedly connected to the top of the support frame, a second fixing member is fixedly connected to the top of the support seat, a rotating rod is rotatably connected inside the second fixing member, a worm gear is fixedly connected to the surface of the rotating rod, and a second pulley group is transmission-connected between the rotating rod and the right crushing roller.

[0015] Preferably, the surface of the rotating rod is transmission-connected with a third pulley set, the side of the third pulley set facing away from the rotating rod is transmission-connected with an output shaft, the rear side of the output shaft is fixedly connected with a motor, and the motor is fixedly connected to the top of the mounting seat.

[0016] Preferably, the screening mechanism includes a mounting shell, which is fixedly connected to both sides of the support frame, a vertical plate is fixedly connected to one side of the mounting shell, the vertical plate is fixedly connected to the bottom of the support frame, a sliding plate is slidably connected inside the mounting shell, a screening element is fixedly connected between the two sliding plates, a handle is fixedly connected to the left side of the screening element, and filter holes of uniform size are opened in the screening element.

[0017] Another technical problem to be solved by the present invention is to provide a method for using a crushing device for ore detection to solve the problems raised in the above background technology; To achieve the above purpose, the present invention provides the following technical solution: comprising the following steps: S1. Ore crushing By placing the ore into the material box and starting the motor, the rotating rod can be driven to rotate under the linkage formed by the third pulley group, and at the same time, under the linkage formed by the second pulley group, the crushing roller on the right side can be driven to rotate. At this time, under the mutual cooperation of the first flat gear and the second flat gear, the crushing rollers on both sides can be driven to rotate in opposite directions, thereby achieving the purpose of quickly crushing the ore.

[0018] S2. Crushing and screening After being crushed, the ore with larger particles will fall into the inside of the screening element. By pulling the handle to the right, the sliding plate will slide inside the mounting shell, so the screening element can be moved, making it convenient to take the ore inside the screening element. At this time, the ore with larger particles can be crushed for the second time to make the crushed ore particles uniform.

[0019] S3. Inhalation of dust By starting the cylinder, under the action of the cylinder, the inner spline can be inserted into the outer spline, and then by starting the motor, the support column rotates, and under the linkage formed by the first pulley group, the threaded rod can be driven to rotate synchronously, and the sliding part and the dust collector head can be driven to move left and right. Under the action of the vacuum cleaner, the dust generated in the ore crushing process can be absorbed, which can prevent the dust from being directly discharged into the atmosphere, reducing the content of inhalable particulate matter in the air.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. The crushing device for ore detection and the use method thereof expand the scope of dust collection by arranging a movable dust suction head, and then by starting the vacuum cleaner, the dust generated in the ore crushing process can be absorbed by the vacuum cleaner, which can avoid the dust from being directly discharged into the atmosphere, reduce the content of inhalable particulate matter in the air, and play a good protective role on the environment.

[0021] 2. The crushing device for ore detection and its use method are as follows: by pulling the handle to the right, the sliding plate slides inside the mounting shell, so as to achieve the purpose of moving the screening element, and facilitate the ore inside the screening element to be taken out. At this time, the ore with larger particles can be crushed for the second time, so that the crushed ore particles are uniform, thereby improving the effect of ore detection.

[0022] 3. The crushing device for ore detection and the method of using the same can drive the rotating rod to rotate under the linkage effect formed by the third pulley group, and at the same time, can drive the crushing roller on the right side to rotate under the linkage effect formed by the second pulley group. At this time, under the mutual cooperation of the first flat gear and the second flat gear, the crushing rollers on both sides can be driven to rotate in opposite directions, so as to achieve the purpose of rapid crushing of the ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic oblique view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the dust removal mechanism of the present invention; Figure 4 It is a schematic diagram of the coordination between the dust removal mechanism and the crushing mechanism of the present invention; Figure 5 It is a schematic diagram of the dust removal mechanism of the present invention; Figure 6 It is a schematic diagram of the crushing mechanism of the present invention; Figure 7 It is a schematic diagram of the partial structure of the crushing mechanism of the present invention; Figure 8 It is a schematic diagram of the screening mechanism of the present invention.

[0024] In the figure: 1. support frame; 2. dust removal mechanism; 21. connecting pipe; 22. cylinder; 23. fixing plate; 24. internal spline; 25. external spline; 26. dust collector; 27. support plate; 28. dust collector; 29. ​​sliding member; 201. worm wheel; 202. worm; 203. first support member; 204. guide rod; 205. second support member; 206. first pulley group; 207. threaded rod; 3. crushing mechanism; 3 1. Material box; 32. Second pulley group; 33. First fixing member; 34. Crushing roller; 35. First flat gear; 36. Second flat gear; 37. Feed hopper; 38. Second fixing member; 39. Support seat; 301. Motor; 302. Third pulley group; 303. Rotating rod; 4. Screening mechanism; 41. Sliding plate; 42. Mounting shell; 43. Handle; 44. Screening member; 45. Vertical plate; 5. Mounting seat. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The present invention provides a technical solution: Embodiment 1: Combination Figure 1-2 to Figure 3-5 A crushing device for ore detection includes a support frame 1, a mounting seat 5 is fixedly connected to the left side of the support frame 1, a screening mechanism 4 is arranged in the middle of the support frame 1, a crushing mechanism 3 is arranged on the top of the support frame 1, and a dust removal mechanism 2 is arranged on the surface of the crushing mechanism 3.

[0027] The dust removal mechanism 2 includes a threaded rod 207, which is arranged on the top of the support frame 1. A sliding member 29 is threadedly connected to the surface of the threaded rod 207. A support plate 27 is fixedly connected to the top of the sliding member 29. A vacuum cleaner 28 is fixedly connected to both sides of the top of the support plate 27. A connecting pipe 21 is fixedly connected to the surface of the vacuum cleaner 28. A dust head 26 is fixedly connected to the side of the connecting pipe 21 facing away from the vacuum cleaner 28.

[0028] Furthermore, a worm wheel 201 is provided at the top of the support frame 1, and the worm wheel 201 is provided at the top of the support frame 1. A worm 202 is meshed on the surface of the worm wheel 201, and a first support member 203 is rotatably connected to the surface of the worm 202. The first support member 203 is fixedly connected to the top of the support frame 1, and an external spline 25 is fixedly connected to the right side of the worm 202. An internal spline 24 is inserted into the external spline 25, and both the external spline 25 and the internal spline 24 are provided at the top of the support frame 1.

[0029] Furthermore, a cylinder 22 is fixedly connected to the right side of the internal spline 24, and a fixed plate 23 is rotatably connected to the surface of the cylinder 22, and the fixed plate 23 is fixedly connected to the top of the support frame 1. A support column is fixedly connected to the right side of the cylinder 22, and a first pulley group 206 is transmission-connected between the support column and the threaded rod 207. The side of the sliding member 29 facing away from the threaded rod 207 is slidably connected to the guide rod 204, and both sides of the guide rod 204 are fixedly connected to the second support member 205, and the second support member 205 is fixedly connected to the top of the support frame 1. By arranging a movable dust suction head 26, the dust suction range is expanded, and then by starting the dust collector 28, under the action of the dust collector 28, the dust generated in the ore crushing process can be absorbed, and the dust can be prevented from being directly discharged into the atmosphere, reducing the content of inhalable particulate matter in the air, and playing a good protective role for the environment.

[0030] Embodiment 2: See also Figure 6-7 On the basis of the first embodiment, the crushing mechanism 3 further comprises a material box 31, the material box 31 is fixedly connected to the right side of the top of the support frame 1, the support column is rotatably connected to the left side of the surface of the material box 31, a feed hopper 37 is fixedly connected to the top of the material box 31, and crushing rollers 34 are rotatably connected on both sides of the material box 31, and the two crushing rollers 34 are symmetrically arranged.

[0031] Furthermore, the surface of the crushing roller 34 is rotatably connected to the first fixing member 33, the first fixing member 33 is fixedly connected to the surface of the material box 31, the surfaces of the two crushing rollers 34 are fixedly connected to the first flat gear 35, the surface of the first flat gear 35 is meshed with the second flat gear 36, the inner ring of the second flat gear 36 is fixedly connected to the rotating shaft, and the rotating shaft is rotatably connected to the surface of the material box 31.

[0032] Furthermore, a support seat 39 is fixedly connected to the top of the support frame 1, a second fixing member 38 is fixedly connected to the top of the support seat 39, a rotating rod 303 is rotatably connected inside the second fixing member 38, the worm gear 201 is fixedly connected to the surface of the rotating rod 303, and a second pulley group 32 is transmission-connected between the rotating rod 303 and the right crushing roller 34.

[0033] Furthermore, the surface of the rotating rod 303 is transmission-connected with a third pulley set 302, and the side of the third pulley set 302 facing away from the rotating rod 303 is transmission-connected with an output shaft, and the rear side of the output shaft is fixedly connected with a motor 301, and the motor 301 is fixedly connected to the top of the mounting base 5. Under the linkage effect formed by the third pulley set 302, the rotating rod 303 can be driven to rotate, and at the same time, under the linkage effect formed by the second pulley set 32, the crushing roller 34 on the right side can be driven to rotate. At this time, under the mutual cooperation of the first flat gear 35 and the second flat gear 36, the crushing rollers 34 on both sides can be driven to rotate in opposite directions, so as to achieve the purpose of quickly crushing the ore.

[0034] Embodiment 2: See also Figure 8 On the basis of the first and second embodiments, the screening mechanism 4 further comprises a mounting shell 42, the mounting shells 42 are fixedly connected to both sides of the support frame 1, a vertical plate 45 is fixedly connected to one side of the mounting shell 42, the vertical plate 45 is fixedly connected to the bottom of the support frame 1, a sliding plate 41 is slidably connected in the mounting shell 42, a screening member 44 is fixedly connected between the two sliding plates 41, a handle 43 is fixedly connected to the left side of the screening member 44, and filter holes of uniform size are provided in the screening member 44. By pulling the handle 43 to the right, the sliding plate 41 slides inside the mounting shell 42, so as to achieve the purpose of moving the screening member 44, and facilitate the ore inside the screening member 44 to be taken out. At this time, the ore with larger particles can be crushed for the second time, so that the crushed ore particles are uniform, thereby improving the effect of ore detection.

[0035] The present invention provides another technical problem to be solved by providing a method for using a crushing device for ore detection, comprising the following steps: S1. Ore crushing By placing the ore into the material box 31 and starting the motor 301, the rotating rod 303 can be driven to rotate under the linkage effect formed by the third pulley group 302, and at the same time, under the linkage effect formed by the second pulley group 32, the crushing roller 34 on the right side can be driven to rotate. At this time, under the mutual cooperation of the first flat gear 35 and the second flat gear 36, the crushing rollers 34 on both sides can be driven to rotate in opposite directions, so as to achieve the purpose of quickly crushing the ore.

[0036] S2. Crushing and screening After being crushed, the ore with larger particles will fall into the interior of the screening element 44. By pulling the handle 43 to the right, the sliding plate 41 slides inside the mounting shell 42, so that the screening element 44 can be moved, and the ore inside the screening element 44 can be taken out conveniently. At this time, the ore with larger particles can be crushed for the second time to make the crushed ore particles uniform.

[0037] S3. Inhalation of dust By starting the cylinder 22, under the action of the cylinder 22, the inner spline 24 can be inserted into the outer spline 25, and then by starting the motor 301, the support column rotates, and under the linkage formed by the first pulley group 206, the threaded rod 207 can be driven to rotate synchronously, and the sliding member 29 and the dust head 26 can be driven to move left and right. Under the action of the dust collector 28, the dust generated during the ore crushing process can be absorbed, which can prevent the dust from being directly discharged into the atmosphere, reducing the content of inhalable particulate matter in the air.

[0038] In actual operation, when the device is used, firstly, the ore is placed inside the material box 31, and the motor 301 is started. Under the linkage effect formed by the third belt pulley set 302, the rotating rod 303 can be driven to rotate, and at the same time, under the linkage effect formed by the second belt pulley set 32, the crushing roller 34 on the right side can be driven to rotate. At this time, under the mutual cooperation of the first flat gear 35 and the second flat gear 36, the crushing rollers 34 on both sides can be driven to rotate in opposite directions, so as to achieve the purpose of quickly crushing the ore; In the process of crushing the ore, a large amount of dust will be generated. At this time, the motor 301 is turned off first, and the raised part of the inner spline 24 is aligned with the recessed part of the outer spline 25. Then, the cylinder 22 is started. Under the action of the cylinder 22, the inner spline 24 can be inserted into the inner part of the outer spline 25. Then, the motor 301 is started. At this time, the support column rotates, and under the linkage formed by the first pulley group 206, the threaded rod 207 can be driven to rotate synchronously, and the sliding member 29 and the dust suction head 26 can be driven to move left and right. By setting a movable dust suction head 26, the dust suction range is expanded. Then, by starting the dust collector 28, the dust generated in the process of ore crushing can be absorbed under the action of the dust collector 28, which can prevent the dust from being directly discharged into the atmosphere, reduce the content of inhalable particulate matter in the air, and play a good protective role in the environment. After being crushed, the ore with larger particles will fall into the interior of the screening element 44. By pulling the handle 43 to the right, the sliding plate 41 slides inside the mounting shell 42, so that the screening element 44 can be moved, and the ore inside the screening element 44 can be taken out conveniently. At this time, the ore with larger particles can be crushed for the second time to make the crushed ore particles uniform, thereby improving the effect of ore detection.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crushing device for ore detection, comprising a support frame (1), characterized in that: The left side of the support frame (1) is fixedly connected to a mounting seat (5), a screening mechanism (4) is arranged in the middle of the support frame (1), a crushing mechanism (3) is arranged on the top of the support frame (1), and a dust removal mechanism (2) is arranged on the surface of the crushing mechanism (3); The dust removal mechanism (2) comprises a threaded rod (207), the threaded rod (207) being arranged on the top of the support frame (1), a sliding member (29) being threadedly connected to the surface of the threaded rod (207), a supporting plate (27) being fixedly connected to the top of the sliding member (29), a dust collector (28) being fixedly connected to both sides of the top of the supporting plate (27), a connecting pipe (21) being fixedly connected to the surface of the dust collector (28), and a dust collector head (26) being fixedly connected to the side of the connecting pipe (21) facing away from the dust collector (28).

2. The ore detection crushing device according to claim 1, characterized in that: A worm wheel (201) is arranged at the top of the support frame (1); the worm wheel (201) is arranged at the top of the support frame (1); a worm (202) is meshed on the surface of the worm wheel (201); a first support member (203) is rotatably connected to the surface of the worm (202); the first support member (203) is fixedly connected to the top of the support frame (1); an external spline (25) is fixedly connected to the right side of the worm (202); an internal spline (24) is inserted into the external spline (25); and both the external spline (25) and the internal spline (24) are arranged at the top of the support frame (1).

3. The ore detection crushing device according to claim 2, characterized in that: The right side of the internal spline (24) is fixedly connected to a cylinder (22), the surface of the cylinder (22) is rotatably connected to a fixing plate (23), the fixing plate (23) is fixedly connected to the top of the support frame (1), the right side of the cylinder (22) is fixedly connected to a supporting column, and a first pulley group (206) is transmission-connected between the supporting column and the threaded rod (207).

4. The ore detection crushing device according to claim 1, characterized in that: The side of the sliding member (29) facing away from the threaded rod (207) is slidably connected to a guide rod (204), and both sides of the guide rod (204) are fixedly connected to second support members (205), and the second support members (205) are fixedly connected to the top of the support frame (1).

5. The ore detection crushing device according to claim 1, characterized in that: The pulverizing mechanism (3) comprises a material box (31), the material box (31) being fixedly connected to the right side of the top of the support frame (1), the support column being rotatably connected to the left side of the surface of the material box (31), the top of the material box (31) being fixedly connected to a feed hopper (37), and both sides of the material box (31) being rotatably connected to pulverizing rollers (34), the two pulverizing rollers (34) being symmetrically arranged.

6. The ore detection crushing device according to claim 5, characterized in that: The surface of the crushing roller (34) is rotatably connected to a first fixing member (33), the first fixing member (33) is fixedly connected to the surface of the material box (31), the surfaces of the two crushing rollers (34) are both fixedly connected to a first spur gear (35), the surface of the first spur gear (35) is meshed with a second spur gear (36), the inner ring of the second spur gear (36) is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the surface of the material box (31).

7. The ore detection crushing device according to claim 1, characterized in that: The top of the support frame (1) is fixedly connected to a support seat (39), the top of the support seat (39) is fixedly connected to a second fixing member (38), a rotating rod (303) is rotatably connected inside the second fixing member (38), the worm gear (201) is fixedly connected to the surface of the rotating rod (303), and a second pulley group (32) is transmission-connected between the rotating rod (303) and the right crushing roller (34).

8. The ore detection crushing device according to claim 7, characterized in that: The surface of the rotating rod (303) is transmission-connected to a third belt pulley set (302); a side of the third belt pulley set (302) facing away from the rotating rod (303) is transmission-connected to an output shaft; a motor (301) is fixedly connected to the rear side of the output shaft; and the motor (301) is fixedly connected to the top of the mounting seat (5).

9. The ore detection crushing device according to claim 1, characterized in that: The screening mechanism (4) comprises a mounting shell (42), the mounting shell (42) being fixedly connected to both sides of the support frame (1), a vertical plate (45) being fixedly connected to one side of the mounting shell (42), the vertical plate (45) being fixedly connected to the bottom of the support frame (1), a sliding plate (41) being slidably connected inside the mounting shell (42), a screening element (44) being fixedly connected between the two sliding plates (41), a handle (43) being fixedly connected to the left side of the screening element (44), and filter holes of uniform size being provided inside the screening element (44).

10. The method for using a pulverizing device for ore detection according to claim 1, characterized in that: The method for using the ore detection crushing device comprises the following steps: S1. Ore crushing By placing the ore into the material box (31) and starting the motor (301), the rotating rod (303) can be driven to rotate under the linkage effect formed by the third belt pulley group (302), and at the same time, under the linkage effect formed by the second belt pulley group (32), the crushing roller (34) on the right side can be driven to rotate. At this time, under the mutual cooperation of the first flat gear (35) and the second flat gear (36), the crushing rollers (34) on both sides can be driven to rotate in opposite directions, so as to achieve the purpose of quickly crushing the ore; S2. Crushing and screening After being crushed, the ore with larger particles will fall into the interior of the screening element (44). By pulling the handle (43) to the right, the sliding plate (41) will slide inside the mounting shell (42), so that the screening element (44) can be moved, and the ore inside the screening element (44) can be taken out conveniently. At this time, the ore with larger particles can be crushed for the second time, so that the ore particles after crushing are uniform. S3. Inhalation of dust By starting the cylinder (22), under the action of the cylinder (22), the inner spline (24) can be inserted into the inner part of the outer spline (25), and then by starting the motor (301), the support column rotates, and under the linkage formed by the first pulley group (206), the threaded rod (207) can be driven to rotate synchronously, and the sliding member (29) and the dust collector (26) can be driven to move left and right. Under the action of the dust collector (28), the dust generated in the ore crushing process can be absorbed, and the dust can be prevented from being directly discharged into the atmosphere, thereby reducing the content of inhalable particulate matter in the air.

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