Vertical flour mill

Abstract

The utility model discloses a vertical flour mill, which relates to the technical field of flour mills and comprises a first box body, a second box body is fixedly mounted at the top of the first box body, a grinding table is fixedly mounted in the second box body, and a first motor is fixedly mounted at the top of the second box body. A connecting shaft is fixedly connected to the position, located in the second box body, of the output end of the first motor, and a grinding head is fixedly connected to the position, located in the grinding table, of the bottom of the connecting shaft. By means of the screening mechanism, ground powdery materials can be screened through the screening mechanism in the using process, particles are prevented from being mixed in the powdery materials, the fineness after grinding is effectively improved, through cooperation of the clamping mechanism, the screen containing the screened particles is detached, secondary grinding is conducted on the particles, waste is reduced, and the working efficiency is improved. And the utilization rate of minerals and the like is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding mills, in particular to a vertical grinding mill. Background Art

[0002] Vertical grinding mill is an ideal large-scale grinding equipment, widely used in cement, electric power, metallurgy, chemical industry, non-metallic minerals and other industries. It integrates crushing, drying, grinding, grading and conveying, has high production efficiency, and can grind block, granular and powdered raw materials into the required powdered materials.

[0003] The existing vertical grinding mill includes a working cylinder, a frame, a speed reducer, a lower body, a transmission arm, a grinding disc, a grinding roller, a middle body, a powder selector, an accelerating inner cylinder device, and a main motor; the accelerating inner cylinder device is arranged in the middle body, a grinding disc is arranged at the bottom of the middle body, the lower end of the lower body is connected to the speed reducer, the lower end of the speed reducer is connected to the main motor, the grinding disc shaft is connected to the speed reducer and then to the main motor, a transmission arm and a working cylinder are arranged on the frame, the transmission arm is connected to the grinding roller, the grinding roller is arranged on the grinding disc, a feed port is also arranged on the outer side of the middle body, an air inlet is arranged on the lower body, and an air outlet is arranged on one side opening of the top of the powder selector. The vertical grinding mill provided by the present invention has the advantages of improving powder selection efficiency, powder processing accuracy, increasing production capacity, reducing energy consumption, and having a wide processing range and strong applicability.

[0004] However, the existing vertical grinding mill does not screen the ground powder during use, resulting in the powder still containing some unground materials mixed in it, resulting in low fineness, and the powder is easily agglomerated in the machine after grinding. Therefore, we propose a vertical grinding mill. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a vertical grinding mill, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vertical grinding mill, comprising a first box body, a second box body is fixedly installed on the top of the first box body, a grinding table is fixedly installed inside the second box body, a first motor is fixedly installed on the top of the second box body, a connecting shaft is fixedly connected to the output end of the first motor and located inside the second box body, a grinding head is fixedly connected to the bottom of the connecting shaft and located inside the grinding table, a screening mechanism is arranged inside the first box body, and a stirring mechanism is arranged inside the first box body and below the screening mechanism.

[0007] Preferably, the screening mechanism includes two guide rods, the two guide rods are fixedly connected to the inside of the first box body, the outer sides of the guide rods are slidably connected to two sliders, a screen is provided on the side where the two sliders are close to each other, a clamping mechanism is provided on the side where the screen and the sliders are close to each other, a first spring is provided on the outer side of the two guide rods and on one side of the two sliders, a chassis is fixedly installed on both sides of the first box body, a third motor is fixedly installed inside the chassis, a turntable is fixedly connected to the output end of the third motor, one side of the turntable and one side of two of the sliders are fixedly connected to fixing columns, and the outer sides of the two fixing columns are rotatably connected to push-pull rods, which is conducive to screening the ground powdered materials and avoiding the mixing of particles inside.

[0008] Preferably, the stirring mechanism includes a rotating shaft, which is rotatably connected to the bottom of the inner wall of the first box body, a second motor is fixedly connected to the bottom of the first box body, an output end of the second motor is fixedly connected to the rotating shaft, four connecting rods are fixedly connected to the outer side of the rotating shaft, and a number of stirring rods are fixedly connected to the bottom of the connecting rods, which is beneficial to stirring the ground powdered material and preventing the impact of agglomeration.

[0009] Preferably, the clamping mechanism includes two fourth grooves, the two fourth grooves are opened on both sides of the screen, a second spring is arranged inside the fourth groove, one end of the second spring is fixedly connected with a clamping block, the clamping block is slidably connected to the fourth groove, a fifth groove is opened on one side of the slider, the clamping block is clamped with the fifth groove, two third grooves are opened on both sides of the screen, a push rod is fixedly connected on one side of the clamping block and located inside the third groove, the push rod is slidably connected to the third groove, which is conducive to disassembling the screen for cleaning or secondary grinding.

[0010] Preferably, a first groove is provided on the corresponding two sides of the first box body and close to the screen, a first closed door is rotatably connected inside the first groove, a first handle is fixedly connected to one side of the first closed door, a sixth groove is provided on one side of the first box body and located below one of the first grooves, a second closed door is rotatably connected inside the sixth groove, a second closed door is rotatably connected inside the second closed door, a second handle is fixedly connected to one side of the second closed door, two fixed feet are fixedly connected to the bottom and corresponding two sides of the first box body, a second groove is provided on one side of the second box body, a feed port is fixedly connected inside the second groove for easy opening to take out the powdered material.

[0011] Preferably, a control panel is fixedly connected to one side of the first box body and located below one of the chassis, and the first motor, the second motor and the third motor are all electrically connected to the control panel, which is beneficial for staff operation and makes the operation more convenient.

[0012] The utility model provides a vertical grinding mill, which has the following beneficial effects:

[0013] 1. The vertical grinding mill adopts a screening mechanism and a clamping mechanism. When in use, the powdered material can be screened by the screening mechanism to avoid particles being mixed in it, which effectively improves the fineness after grinding. Through the cooperation of the clamping mechanism, the screen containing the screened particles can be disassembled and the particles can be ground again, which reduces waste and effectively improves the utilization rate of minerals.

[0014] 2. The vertical grinding mill adopts a stirring mechanism, and can stir the powdered material accumulated at the bottom of the first box after grinding through the cooperation of the connecting rod, the stirring rod, the second motor and the rotating shaft during use, thereby effectively avoiding the agglomeration of the powdered material caused by long-term storage, thereby effectively improving the practicality of the vertical grinding mill. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is a side sectional view of the utility model;

[0018] Figure 4 This is a schematic diagram of the screening mechanism structure of the utility model;

[0019] Figure 5 For this utility model Figure 3 A in the enlarged view;

[0020] Figure 6 It is a side view of the utility model.

[0021] In the figure: 1. first box body; 2. second box body; 3. feed port; 4. first motor; 5. chassis; 6. control panel; 7. fixed foot; 8. first slot; 9. first closed door; 10. first handle; 11. second slot; 12. connecting shaft; 13. grinding head; 14. grinding table; 15. connecting rod; 16. stirring rod; 17. second motor; 18. rotating shaft; 19. guide rod; 20. turntable; 21. third motor; 22. slider; 23. push-pull rod; 24. first spring; 25. screen; 26. fixed column; 27. third slot; 28. fourth slot; 29. ​​block; 30. fifth slot; 31. push rod; 32. second spring; 33. second handle; 34. second closed door; 35. sixth slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figures 1 to 6 The utility model provides a technical solution: a vertical grinding mill comprises a first box body 1, a second box body 2 is fixedly installed on the top of the first box body 1, a grinding table 14 is fixedly installed inside the second box body 2, a first motor 4 is fixedly installed on the top of the second box body 2, a connecting shaft 12 is fixedly connected to the output end of the first motor 4 and located inside the second box body 2, a grinding head 13 is fixedly connected to the bottom of the connecting shaft 12 and located inside the grinding table 14, a screening mechanism is arranged inside the first box body 1, and a stirring mechanism is arranged inside the first box body 1 and below the screening mechanism. The staff puts the material into the second box body 2 through the feed port 3 and starts the first motor 4 through the control panel 6, so that the first motor 4 drives the grinding head 13 connected to the connecting shaft 12 to rotate, and grinds the material dropped into the grinding table 14, and the ground powdery material drops on the top of the screen 25.

[0024] The screening mechanism includes two guide rods 19, the two guide rods 19 are fixedly connected to the inside of the first box body 1, the outer side of the guide rods 19 is slidably connected to two sliders 22, a screen 25 is provided on the side where the two sliders 22 are close to each other, and a clamping mechanism is provided on the side where the screen 25 and the slider 22 are close to each other, and a first spring 24 is provided on the outer side of the two guide rods 19 and on one side of the two sliders 22, a chassis 5 is fixedly installed on both sides of the first box body 1, a third motor 21 is fixedly installed inside the chassis 5, a turntable 20 is fixedly connected to the output end of the third motor 21, and one side of the turntable 20 and one side of two of the sliders 22 are connected to each other. The two sides are fixedly connected with fixed columns 26, and the outer sides of the two fixed columns 26 are rotatably connected with push-pull rods 23. The third motor 21 is started through the control panel 6, so that the third motor 21 drives the turntable 20 and the fixed columns 26 to rotate, thereby pushing the slider 22 connected to the push-pull rod 23, so as to drive the screen 25 to move left and right. When the slider 22 slides on the outer side of the guide rod 19, it will hit the first spring 24, so that the first spring 24 is squeezed and then rebounds to push the slider 22, thereby driving the screen 25 to vibrate, so as to screen the ground powder material, which is beneficial to screen the ground powder material and avoid particles being mixed inside.

[0025] The stirring mechanism includes a rotating shaft 18, which is rotatably connected to the bottom of the inner wall of the first box body 1. A second motor 17 is fixedly connected to the bottom of the first box body 1, and an output end of the second motor 17 is fixedly connected to the rotating shaft 18. Four connecting rods 15 are fixedly connected to the outer side of the rotating shaft 18, and a plurality of stirring rods 16 are fixedly connected to the bottom of the connecting rod 15. The second motor 17 is started through the control panel 6, so that the second motor 17 drives the connecting rod 15 connected to the rotating shaft 18, so that the connecting rod 15 drives the stirring rod 16 to stir the powdered material to prevent agglomeration, which is beneficial to stirring the ground powdered material to prevent the influence of agglomeration.

[0026] The clamping mechanism includes two fourth slots 28, which are arranged on both sides of the screen 25. A second spring 32 is arranged inside the fourth slot 28. A clamping block 29 is fixedly connected to one end of the second spring 32. The clamping block 29 is slidably connected to the fourth slot 28. A fifth slot 30 is arranged on one side of the slider 22. The clamping block 29 is clamped with the fifth slot 30. Two third slots 27 are arranged on both sides of the screen 25. A push rod 31 is fixedly connected to one side of the clamping block 29 and located inside the third slot 27. The push rod 31 is slidably connected to the third slot 27. The two push rods 31 on both sides of the screen 25 are pushed, so that the push rod 31 drives the clamping block 29 to leave the inside of the fifth slot 30 and return to the inside of the fourth slot 28, and the second spring 32 is squeezed. The screen 25 can be disassembled and the particles inside the screen 25 can be poured back into the inside of the feed port 3, and then the screen 25 is placed between the four sliders 22 again, so that the compressed second spring 32 rebounds. Driving the clamping block 29 into the fifth slot 30 for fixing is conducive to disassembling the screen 25 for cleaning or secondary grinding.

[0027] A first groove 8 is provided on the corresponding two sides of the first box body 1 and close to the screen 25, a first closed door 9 is rotatably connected inside the first groove 8, a first handle 10 is fixedly connected to one side of the first closed door 9, a sixth groove 35 is provided on one side of the first box body 1 and located below one of the first grooves 8, a second closed door 34 is rotatably connected inside the sixth groove 35, a second closed door 34 is rotatably connected inside the second closed door 34, a second handle 33 is fixedly connected to one side of the second closed door 34, two fixed feet 7 are fixedly connected to the bottom and corresponding two sides of the first box body 1, a second groove 11 is provided on one side of the second box body 2, a feed port 3 is fixedly connected inside the second groove 11 for easy opening to take out the powdered material.

[0028] A control panel 6 is fixedly connected to one side of the first box body 1 and below one of the chassis 5. The first motor 4, the second motor 17, and the third motor 21 are all electrically connected to the control panel 6, which is beneficial to the operation of the staff and makes the operation more convenient.

[0029] In summary, when the vertical grinding mill is in use, the staff puts the material into the second box body 2 through the feed port 3, and starts the first motor 4 through the control panel 6, so that the first motor 4 drives the grinding head 13 connected to the connecting shaft 12 to rotate, and grinds the material that falls into the grinding table 14. The ground powdered material falls on the top of the screen 25, and then starts the third motor 21 through the control panel 6, so that the third motor 21 drives the turntable 20 and the fixed column 26 to rotate, thereby pushing the slider 22 connected to the push-pull rod 23, so that the screen 25 moves left and right. When the slider 22 slides on the outside of the guide rod 19, it will hit the first spring 24, so that the first spring 24 is squeezed and rebounds to push the slider 22, thereby driving the screen 25 to vibrate. , the ground powdered material is screened, and the screened material falls to the bottom of the inner wall of the first box body 1, and the second motor 17 is started through the control panel 6, so that the second motor 17 drives the connecting rod 15 connected to the rotating shaft 18, so that the connecting rod 15 drives the stirring rod 16 to stir the powdered material to prevent agglomeration, and then the first closed door 9 is opened through the first handle 10, and the two push rods 31 on both sides of the screen 25 are pushed, so that the push rods 31 drive the block 29 to leave the inside of the fifth slot 30 and return to the inside of the fourth slot 28, and squeeze the second spring 32, so that the screen 25 can be disassembled and the particles inside the screen 25 are poured back into the inside of the feed port 3, and then the screen 25 is placed again between the four sliders 22, so that the compressed second spring 32 rebounds. Drive the block 29 into the inside of the fifth slot 30 for fixing.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vertical grinding mill, comprising a first housing (1), characterized in that: A second box (2) is fixedly mounted on the top of the first box (1), a grinding table (14) is fixedly mounted inside the second box (2), a first motor (4) is fixedly mounted on the top of the second box (2), a connecting shaft (12) is fixedly connected to the output end of the first motor (4) and located inside the second box (2), a grinding head (13) is fixedly connected to the bottom of the connecting shaft (12) and located inside the grinding table (14), a screening mechanism is arranged inside the first box (1), a stirring mechanism is arranged inside the first box (1) and located below the screening mechanism, the screening mechanism comprises two guide rods (19), the two guide rods (19) are fixedly connected to the inside of the first box (1), the guide rods (19) ) are slidably connected to the outer side of the guide rod (19), two sliders (22) are provided on the side where the two sliders (22) are close to each other, and a clamping mechanism is provided on the side where the two sliders (22) are close to each other. A first spring (24) is provided on the outer side of the two guide rods (19) and on one side of the two sliders (22). A chassis (5) is fixedly installed on both sides of the first housing (1), a third motor (21) is fixedly installed inside the chassis (5), a turntable (20) is fixedly connected to the output end of the third motor (21), one side of the turntable (20) and one side of two of the sliders (22) are fixedly connected to fixing columns (26), and the outer sides of the two fixing columns (26) are rotatably connected to push-pull rods (23).

2. A vertical grinding mill according to claim 1, characterized in that: The stirring mechanism comprises a rotating shaft (18), the rotating shaft (18) is rotatably connected to the bottom of the inner wall of the first box body (1), the bottom of the first box body (1) is fixedly connected to a second motor (17), the output end of the second motor (17) is fixedly connected to the rotating shaft (18), the outer side of the rotating shaft (18) is fixedly connected to four connecting rods (15), and the bottom of the connecting rod (15) is fixedly connected to a plurality of stirring rods (16).

3. A vertical grinding mill according to claim 2, characterized in that: The clamping mechanism comprises two fourth grooves (28), the two fourth grooves (28) are arranged on both sides of the screen (25), a second spring (32) is arranged inside the fourth groove (28), one end of the second spring (32) is fixedly connected with a clamping block (29), the clamping block (29) is slidably connected with the fourth groove (28), a fifth groove (30) is arranged on one side of the slider (22), the clamping block (29) is clamped with the fifth groove (30), two third grooves (27) are arranged on both sides of the screen (25), a push rod (31) is fixedly connected to one side of the clamping block (29) and located inside the third groove (27), the push rod (31) is slidably connected with the third groove (27).

4. A vertical grinding mill according to claim 1, characterized in that: The first box body (1) is provided with first grooves (8) on the corresponding two sides and close to the screen (25); a first closed door (9) is rotatably connected inside the first groove (8); a first handle (10) is fixedly connected to one side of the first closed door (9); a sixth groove (35) is provided on one side of the first box body (1) and located below one of the first grooves (8); a second closed door (34) is rotatably connected inside the sixth groove (35); a second closed door (34) is rotatably connected inside the second closed door (34); a second handle (33) is fixedly connected to one side of the second closed door (34); two fixed feet (7) are fixedly connected at the bottom and corresponding two sides of the first box body (1); a second groove (11) is provided on one side of the second box body (2); a feed port (3) is fixedly connected inside the second groove (11).

5. A vertical grinding mill according to claim 1, characterized in that: A control panel (6) is fixedly connected to one side of the first housing (1) and located below one of the chassis (5); the first motor (4), the second motor (17) and the third motor (21) are all electrically connected to the control panel (6).

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