Anti-blocking crushing and screening machine for ore crushing

Abstract

The invention belongs to the technical field of crushing equipment, and particularly relates to an anti-blocking crushing and screening machine for ore crushing, the anti-blocking crushing and screening machine comprises a shell, a screening mechanism, an unblocking assembly and a crushing mechanism, the shell is provided with a screening cavity, a conveying cavity, a first discharging port and a crushing cavity, the screening mechanism comprises a screening plate, a support and a connecting shaft, the screening plate is fixedly connected to the support, and the connecting shaft is connected to the conveying cavity. The upper end of the support is hinged into the screening cavity, screening holes are formed in the lower end of the screening plate, the lower end of the support is in sliding fit with the screening cavity through a connecting shaft, the unblocking assembly comprises a sliding support, a first driving motor, a lead screw, a driving shaft and a push rod, the sliding support is arranged between the screening plate and the support in a sliding mode, and the first driving motor is matched with the sliding support through the lead screw. The driving shaft and the push rod are rotationally installed at the lower end of the sliding support, the crushing mechanism is installed in the crushing cavity, the blockage clearing assembly can regularly and automatically clear ores blocked in the screening holes, and the problem of blockage in the ore screening process is effectively solved.

Description

Technical Field

[0001] The invention belongs to the technical field of crushing equipment, and in particular relates to an anti-blocking crushing and screening machine for ore crushing. Background Art

[0002] Crushing and screening equipment is a device that integrates crushing equipment and screening equipment, which can complete the crushing and screening of ore at the same time. The core of this equipment lies in its crushing and screening mechanism, which can realize the screening and crushing of ore, and is widely used in industries that require material crushing, such as construction, mining, and road construction.

[0003] However, there are still some problems in the prior art. During the screening process, the ore is easily stuck in the sieve holes of the vibrating screen due to squeezing and collision, resulting in reduced screening efficiency and even blockage. This blockage will not only affect the normal operation of the equipment, but may also cause increased wear of the equipment and shorten its service life. Usually, once a blockage occurs, it is necessary to manually dredge the blocked ore after the equipment is shut down, which not only increases maintenance costs, but also causes production interruptions, seriously affecting production efficiency. In addition, manual dredging also has certain safety hazards, which increases the risks in the production process.

[0004] Therefore, it is necessary to study an anti-blocking crushing and screening machine for ore crushing that can effectively solve the blockage problem in the ore screening process. This equipment should be able to automatically clean the ore blocked in the sieve holes regularly, and can push the ore stuck in the sieve holes due to extrusion and collision out of the sieve holes, thereby avoiding equipment shutdown and production interruption caused by blockage. Summary of the invention

[0005] In view of the above-mentioned deficiencies existing in the prior art, the present invention provides an anti-blocking crushing and screening machine for ore crushing, so as to solve the technical problem that blockage is easy to occur in the ore screening process in the prior art.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] An anti-blocking crushing and screening machine for ore crushing, comprising: a shell, a screening mechanism, a blockage clearing component and a crushing mechanism;

[0008] The housing is provided with a screening chamber, a conveying chamber, a first discharge port and a crushing chamber, the screening chamber is connected with the first discharge port and the crushing chamber through the conveying chamber, the upper end of the screening chamber is provided with a feed port, and the lower end of the crushing chamber is provided with a second discharge port;

[0009] The screening mechanism comprises a screening plate, a bracket, a rotor vibration motor and a connecting shaft, wherein the screening plate is fixedly connected to the bracket, the upper end of the bracket is hinged in the screening cavity, the lower end of the screening plate is provided with a screening hole, the rotor vibration motor is fixedly installed at the lower end of the bracket, and the lower end of the bracket is slidably matched with the screening cavity through the connecting shaft;

[0010] The clearing assembly comprises a sliding bracket, a first driving motor, a lead screw, a driving shaft and a push rod, the sliding bracket is slidably arranged between the screen plate and the bracket, the first driving motor is fixedly mounted on the lower end surface of the screen plate, the first driving motor cooperates with the sliding bracket through the lead screw, the driving shaft and the push rod are rotatably mounted on the lower end of the sliding bracket, and the driving shaft cooperates with the push rod;

[0011] The crushing mechanism is installed in the crushing chamber.

[0012] Furthermore, a first lug and a guide rod are also provided in the screening chamber.

[0013] Furthermore, a second lug is provided at the upper end of the screen plate, and the screen plate is hinged to the first lug via the second lug.

[0014] Furthermore, a third slider and a spring are provided on the connecting shaft, the third slider is fixedly provided at both ends of the connecting shaft, the third slider is connected to the inner wall of the screening chamber through the spring, and the third slider is slidably matched with the guide rod.

[0015] Furthermore, a rack is provided at the bottom of the screening plate.

[0016] Furthermore, a first gear and a second gear are provided on the driving shaft, the first gear is meshed with the rack, the second gear is a quarter gear, and the second gear is meshed with the push rod.

[0017] Furthermore, a first guide rail and a second guide rail are provided on the bracket, and the first guide rail is connected to the second guide rail.

[0018] Furthermore, the sliding bracket is provided with a first slider, a second slider, a rectangular groove and a through hole, the first slider is slidably set on the sliding bracket, the first slider cooperates with the lead screw, the second slider is fixedly set on the sliding bracket, the second slider slidably cooperates with the first guide rail and the second guide rail, the rectangular groove and the through hole are set on the sliding bracket, and the rectangular groove and the through hole are connected.

[0019] Furthermore, the second gear of the driving shaft is arranged in the rectangular groove, and the push rod is slidably arranged in the through hole.

[0020] Furthermore, the crushing mechanism includes a crushing shaft, a crushing hammer, a first pulley, a second pulley and a second drive motor, the crushing shaft is rotatably arranged in the crushing chamber, the crushing hammer is installed on the crushing shaft, the second drive motor is fixedly arranged on the shell, the first pulley is connected to the crushing shaft, the second pulley is connected to the rotating shaft of the second drive motor, and the first pulley and the second pulley are connected by a belt.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. The present invention discloses an anti-blocking crushing and screening machine for ore crushing, on which a clearing assembly is installed for screening mechanism. The clearing assembly can automatically and regularly clear the ore blocked in the sieve holes, and can push the ore stuck in the sieve holes due to extrusion and collision out of the sieve holes, thereby avoiding equipment shutdown and production interruption caused by blockage, and effectively solving the problem of blockage in the ore screening process.

[0023] 2. The present invention discloses an anti-blocking crushing and screening machine for ore crushing. The unique design of the crushing hammer and the high-speed rotating crushing shaft of the crushing mechanism enable the crushing mechanism to perform strong impact and shear crushing on the ore, greatly improving the crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The structure of the present invention is schematically shown Figure 1 ;

[0025] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0026] Figure 3 for Figure 2 Cross-section along line AA;

[0027] Figure 4 Schematic diagram of the screening mechanism Figure 1 ;

[0028] Figure 5 Schematic diagram of the screening mechanism Figure 2 ;

[0029] Figure 6 Schematic diagram of the screening mechanism Figure 3 ;

[0030] Figure 7 Schematic diagram of the screening mechanism Figure 4 ;

[0031] Figure 8 is a structural schematic diagram of a sliding bracket;

[0032] Fig. 9 is a structural schematic diagram of a sliding bracket;

[0033] Fig.10 is a schematic diagram of the structure of the drive shaft;

[0034] Fig.11 It is a structural schematic diagram of the connecting shaft;

[0035] Fig.12 It is a schematic diagram of the structure of the crushing shaft and the crushing hammer;

[0036] The reference numerals involved in the accompanying drawings are:

[0037] 1. Shell; 11. Screening chamber; 111. Feeding port; 112. First lug; 113. Guide rod; 12. Conveying chamber; 13. First discharging port; 14. Crushing chamber; 141. Second discharging port; 2. Screening mechanism; 21. Screening plate; 211. Second lug; 212. Screen hole; 213. Rack; 22. Bracket; 221. First guide rail; 222. Second guide rail; 23. Rotor vibration motor; 24. Connecting shaft; 241. Third slide Block; 242, spring; 3, clearing assembly; 31, sliding bracket; 311, first slider; 312, second slider; 313, rectangular groove; 314, through hole; 32, first drive motor; 33, lead screw; 34, drive shaft; 341, first gear; 342, second gear; 35, push rod; 4, crushing mechanism; 41, crushing shaft; 42, crushing hammer; 43, first pulley; 44, second pulley; 45, second drive motor. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0039] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0040] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0041] See also Figures 1 to 12As shown, an anti-blocking crushing and screening machine for ore crushing includes: a shell 1 for supporting, a screening mechanism 2 for screening ore, a clearing component 3 for automatically clearing ore stuck on the screening mechanism 2, and a crushing mechanism 4 for crushing ore.

[0042] The housing 1 is provided with a screening chamber 11, a conveying chamber 12, a first discharge port 13 and a crushing chamber 14. The screening chamber 11 is connected with the first discharge port 13 and the crushing chamber 14 through the conveying chamber 12. The upper end of the screening chamber 11 is provided with a feed port 111, and the lower end of the crushing chamber 14 is provided with a second discharge port 141. It should be noted that, in this embodiment, the conveying chamber 12 can convey the smaller ore screened by the screening mechanism 2 in the screening chamber 11 to the first discharge port 13, and convey the larger ore to the crushing chamber 14.

[0043] The screening mechanism 2 includes a screening plate 21, a bracket 22, a rotor vibration motor 23 and a connecting shaft 24. Correspondingly, a first lug 112 and a guide rod 113 are also provided in the screening chamber 11. The screening plate 21 is fixedly connected to the bracket 22, and the upper end of the bracket 22 is hinged in the screening chamber 11. The lower end of the screening plate 21 is provided with a sieve hole 212. Specifically, the upper end of the screening plate 21 is provided with a second lug 211, and the screening plate 21 is hinged to the first lug 112 through the second lug 211. It can be understood that the ore enters the screening chamber 11 through the feed port 111 and falls above the screening plate 21, that is, where the sieve hole 212 is not provided, which can prevent the ore from being stuck in the sieve hole 212 due to the impact of falling.

[0044] The rotor vibration motor 23 is fixedly mounted at the lower end of the bracket 22 , that is, the rotor vibration motor 23 drives the screening plate 21 and the bracket 22 to vibrate when it is energized.

[0045] The lower end of the bracket 22 is slidably matched with the screening chamber 11 through the connecting shaft 24. Specifically, a third slider 241 and a spring 242 are provided on the connecting shaft 24. The third slider 241 is fixedly arranged at both ends of the connecting shaft 24. The third slider 241 is connected to the inner wall of the screening chamber 11 through the spring 242. The third slider 241 is slidably matched with the guide rod 113, that is, when the vibration motor 23 drives the screening plate 21 and the bracket 22 to vibrate, the third slider 241 is slidably matched with the guide rod 113, which can provide a larger movement formation for the screening mechanism 2 and increase the vibration amplitude of the screening mechanism 2.

[0046] After the ore slides down to the sieve hole 212, the smaller ore passes through the sieve hole 212 and falls below the screening mechanism 2, passes through the conveying chamber 12 and enters the first discharge port 13, while the larger ore slides along the screen plate 21 to the conveying chamber 12 and enters the crushing chamber 14.

[0047] The clearing assembly 3 includes a sliding bracket 31, a first drive motor 32, a lead screw 33, a drive shaft 34 and a push rod 35. The sliding bracket 31 is slidably arranged between the screening plate 21 and the bracket 22, the first drive motor 32 is fixedly mounted on the lower end surface of the screening plate 21, and the first drive motor 32 cooperates with the sliding bracket 31 through the lead screw 33. Correspondingly, the bracket 22 is provided with a first guide rail 221 and a second guide rail 222, and the first guide rail 221 is connected with the second guide rail 222. It should be noted that the first guide rail 221 and the second guide rail 222 form a closed annular track after being connected. Specifically, the sliding bracket 31 is provided with a first slider 311, a second slider 312, a rectangular groove 313 and a through hole 314. The first slider 311 is slidably arranged on the sliding bracket 31, and the first slider 311 cooperates with the lead screw 33. The second slider 312 is fixedly arranged on the sliding bracket 31, and the second slider 312 slidably cooperates with the first guide rail 221 and the second guide rail 222. It can be understood that the first drive motor 32 rotates in the forward direction, and drives the second slider 312 on the sliding bracket 31 to slide along the first guide rail 221 through the screw 33 and the first slider 311, that is, the sliding bracket 31 slides in the direction of the sieve hole 212; the first drive motor 32 rotates in the reverse direction, and drives the second slider 312 on the sliding bracket 31 to slide along the second guide rail 222 through the screw 33 and the first slider 311, that is, the sliding bracket 31 slides in the direction away from the sieve hole 212. It should be noted that when the second slider 312 slides from the first guide rail 221 to the second guide rail 222, and when the second slider 312 slides from the second guide rail 222 to the first guide rail 221, the first slider 311 slides relative to the sliding bracket 31 to prevent the sliding of the sliding bracket 31 from affecting the cooperation between the screw 33 and the first slider 311.

[0048] The rectangular groove 313 and the through hole 314 are disposed on the sliding bracket 31 , and the rectangular groove 313 and the through hole 314 are connected.

[0049] The drive shaft 34 and the push rod 35 are rotatably mounted on the lower end of the sliding bracket 31, and the drive shaft 34 cooperates with the push rod 35. Correspondingly, a rack 213 is also provided at the bottom of the screening plate 21. The drive shaft 34 is provided with a first gear 341 and a second gear 342. It should be noted that, in this embodiment, when the second slider 312 is slidably matched with the first guide rail 221, the first gear 341 is meshed with the rack 213. When the second slider 312 slides from the first guide rail 221 into the second guide rail 222, the first gear 341 is disengaged from the rack 213 and is no longer meshed. Correspondingly, the second gear 342 of the drive shaft 34 is set in the rectangular groove 313, and the push rod 35 is slidably set in the through hole 314.

[0050] The second gear 342 is a quarter gear, and the second gear 342 meshes with the push rod 35. It can be understood that when the second slider 312 on the sliding bracket 31 slides along the first guide rail 221, the first slider 311 meshes with the rack 213, and the rack 213 drives the first gear 341 to rotate. It should be noted that when the through hole 314 just moves below the sieve hole 212, the teeth of the second gear 342 mesh with the push rod 35, and the first gear 341 rotates through the second gear 342 through the driving shaft 34, so that the push rod 35 can be at least partially extended from the through hole 314. When the through hole 314 is aligned with the sieve hole 212, the teeth of the second gear 342 just stop meshing with the push rod 35, and the push rod 35 slides back into the through hole 314 under the action of gravity and vibration.

[0051] The crushing mechanism 4 is installed in the crushing chamber 14. Specifically, the crushing mechanism 4 includes a crushing shaft 41, a crushing hammer 42, a first pulley 43, a second pulley 44 and a second drive motor 45. The crushing shaft 41 is rotatably arranged in the crushing chamber 14, the crushing hammer 42 is installed on the crushing shaft 41, the second drive motor 45 is fixedly arranged on the housing 1, the first pulley 43 is connected to the crushing shaft 41, the second pulley 44 is connected to the rotating shaft of the second drive motor 45, and the first pulley 43 and the second pulley 44 are connected by a belt. It can be understood that the second drive motor 45 drives the crushing shaft 41 to rotate in the crushing chamber 14 through the second pulley 44, the belt and the first pulley 43, the crushing hammer 42 rotates with the crushing shaft 41, and the crushing hammer 42 crushes the ore to complete the crushing work of the ore.

[0052] The working principle of the present invention is as follows:

[0053] The ore is put into the feed port 111 by equipment or manually, enters the screening chamber 11 through the feed port 111, and falls above the screening plate 21, that is, where the screening hole 212 is not provided, which can prevent the ore from being stuck in the screening hole 212 due to the impact of falling.

[0054] After the ore slides down to the sieve hole 212, the smaller ore passes through the sieve hole 212 and falls below the screening mechanism 2, passes through the conveying chamber 12 and enters the first discharge port 13, while the larger ore slides along the screen plate 21 to the conveying chamber 12 and enters the crushing chamber 14.

[0055] The second driving motor 45 drives the crushing shaft 41 to rotate in the crushing chamber 14 through the second pulley 44, the belt, and the first pulley 43. The crushing hammer 42 rotates with the crushing shaft 41, and the crushing hammer 42 crushes the ore to complete the crushing work of the ore.

[0056] The first driving motor 32 rotates forward, cooperates with the first slider 311 through the lead screw 33, and drives the second slider 312 on the sliding bracket 31 to slide along the first guide rail 221, that is, the sliding bracket 31 slides toward the sieve hole 212. At this time, the first gear 341 is meshed with the rack 213, and the rack 213 drives the first gear 341 to rotate. When the through hole 314 just moves below the sieve hole 212, the teeth of the second gear 342 are meshed with the push rod 35, and the first gear 341 rotates through the second gear 342 through the driving shaft 34, so that the push rod 35 can be at least partially extended from the through hole 314. The upper end of the push rod 35 extends into the sieve hole 212 to push the stuck ore to the top of the sieve plate 21.

[0057] After the clearing assembly 3 moves to the screening plate 21, the first drive motor 32 rotates in the opposite direction, and the second slider 312 slides from the second guide rail 222 into the first guide rail 221, and the rack 213 is disengaged from the first gear 341. The lead screw 33 cooperates with the first slider 311 to drive the second slider 312 on the sliding bracket 31 to slide along the second guide rail 222, that is, the sliding bracket 31 slides in the direction away from the screen hole 212, until the clearing assembly 3 is reset, and the ore stuck on the screening mechanism 2 is cleared.

[0058] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field of the invention before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for the ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An anti-blocking crushing and screening machine for ore crushing, characterized in that: include: A housing (1), a screening mechanism (2), a blockage clearing component (3) and a crushing mechanism (4); The housing (1) is provided with a screening chamber (11), a conveying chamber (12), a first discharge port (13) and a crushing chamber (14); the screening chamber (11) is connected to the first discharge port (13) and the crushing chamber (14) via the conveying chamber (12); the upper end of the screening chamber (11) is provided with a feed port (111); and the lower end of the crushing chamber (14) is provided with a second discharge port (141); The screening mechanism (2) comprises a screening plate (21), a bracket (22), a rotor vibration motor (23) and a connecting shaft (24); the screening plate (21) is fixedly connected to the bracket (22); the upper end of the bracket (22) is hinged in the screening chamber (11); the lower end of the screening plate (21) is provided with a screening hole (212); the rotor vibration motor (23) is fixedly mounted on the lower end of the bracket (22); and the lower end of the bracket (22) is slidably matched with the screening chamber (11) via the connecting shaft (24); The clearing assembly (3) comprises a sliding bracket (31), a first driving motor (32), a lead screw (33), a driving shaft (34) and a push rod (35); the sliding bracket (31) is slidably arranged between the sieve plate (21) and the bracket (22); the first driving motor (32) is fixedly mounted on the lower end surface of the sieve plate (21); the first driving motor (32) cooperates with the sliding bracket (31) through the lead screw (33); the driving shaft (34) and the push rod (35) are rotatably mounted on the lower end of the sliding bracket (31); the driving shaft (34) cooperates with the push rod (35); The crushing mechanism (4) is installed in the crushing chamber (14).

2. The anti-blocking crushing and screening machine for ore crushing according to claim 1 is characterized in that: The screening chamber (11) is also provided with a first lug (112) and a guide rod (113).

3. The anti-blocking crushing and screening machine for ore crushing according to claim 2 is characterized in that: A second lug (211) is provided at the upper end of the sieve plate (21), and the sieve plate (21) is hinged to the first lug (112) via the second lug (211).

4. The anti-blocking crushing and screening machine for ore crushing according to claim 2 is characterized in that: A third slider (241) and a spring (242) are provided on the connecting shaft (24); the third slider (241) is fixedly provided at both ends of the connecting shaft (24); the third slider (241) is connected to the inner wall of the screening chamber (11) via the spring (242); and the third slider (241) is slidably matched with the guide rod (113).

5. The anti-blocking crushing and screening machine for ore crushing according to claim 1 is characterized in that: A rack (213) is also provided at the bottom of the screening plate (21).

6. The anti-blocking crushing and screening machine for ore crushing according to claim 5, characterized in that: The driving shaft (34) is provided with a first gear (341) and a second gear (342); the first gear (341) is meshed with the rack (213); the second gear (342) is a quarter gear; and the second gear (342) is meshed with the push rod (35).

7. The anti-blocking crushing and screening machine for ore crushing according to claim 6, characterized in that: The bracket (22) is provided with a first guide rail (221) and a second guide rail (222), and the first guide rail (221) is connected to the second guide rail (222).

8. The anti-blocking crushing and screening machine for ore crushing according to claim 7, characterized in that: The sliding bracket (31) is provided with a first slider (311), a second slider (312), a rectangular groove (313) and a through hole (314); the first slider (311) is slidably arranged on the sliding bracket (31); the first slider (311) cooperates with the lead screw (33); the second slider (312) is fixedly arranged on the sliding bracket (31); the second slider (312) is slidably matched with the first guide rail (221) and the second guide rail (222); the rectangular groove (313) and the through hole (314) are arranged on the sliding bracket (31); and the rectangular groove (313) and the through hole (314) are connected.

9. The anti-blocking crushing and screening machine for ore crushing according to claim 8, characterized in that: The second gear (342) of the driving shaft (34) is arranged in the rectangular groove (313), and the push rod (35) is slidably arranged in the through hole (314).

10. The anti-blocking crushing and screening machine for ore crushing according to claim 1, characterized in that: The crushing mechanism (4) comprises a crushing shaft (41), a crushing hammer (42), a first belt pulley (43), a second belt pulley (44) and a second drive motor (45); the crushing shaft (41) is rotatably arranged in a crushing chamber (14); the crushing hammer (42) is mounted on the crushing shaft (41); the second drive motor (45) is fixedly arranged on a housing (1); the first belt pulley (43) is connected to the crushing shaft (41); the second belt pulley (44) is connected to the rotating shaft of the second drive motor (45); and the first belt pulley (43) and the second belt pulley (44) are connected via a belt.

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