Ultrafine grinding device suitable for cement and mineral powder

Abstract

The utility model discloses a superfine grinding device suitable for cement and mineral powder, which comprises a grinding device body, a fixing frame arranged at the center inside the grinding device body, a spherical protective sleeve arranged at the top end of the fixing frame, a protective sleeve arranged on one side of the spherical protective sleeve, a first transmission shaft arranged inside the protective sleeve, and a second transmission shaft arranged inside the first transmission shaft. Second bevel gears are arranged at the two ends of the first transmission shaft, a second transmission shaft is rotationally arranged in the fixing frame, a third bevel gear is arranged at the top end of the second transmission shaft and engaged with the second bevel gear at one end of the first transmission shaft, and a grinding disc is arranged at the bottom end of the second transmission shaft. The third bevel gear drives the second transmission shaft to rotate, so that the second transmission shaft drives the grinding disc to rotate, the grinding disc is matched with the grinding wall to carry out secondary fine grinding on cement and mineral powder raw materials, and the grinding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement and mineral powder production, in particular to an ultrafine grinding device suitable for cement and mineral powder. Background Art

[0002] Mineral powder is a general term for stone powder and its substitutes that meet engineering requirements. It is the product of ore crushing and processing. It is the first step in ore processing and smelting, and one of the most important steps. For example, lime powder, cement powder, etc. are all called mineral powder.

[0003] At present, mineral powder is the product of crushing and grinding ore raw materials. Therefore, the mineral powder needs to be ground during its processing. However, the existing grinding devices usually adopt a single-stage grinding structure, which leads to low grinding efficiency and thus affects the mineral powder output. Therefore, the inventor proposes an ultrafine grinding device suitable for cement and mineral powder to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an ultrafine grinding device suitable for cement and mineral powder, so as to solve the problem that the existing grinding devices usually adopt a single-stage grinding structure, resulting in low grinding efficiency, thereby affecting the output of mineral powder.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultrafine grinding device suitable for cement and mineral powder, comprising a grinding device body, a fixed frame is arranged at the center inside the grinding device body, a spherical protective sleeve is arranged at the top of the fixed frame, a protective sleeve is arranged on one side of the spherical protective sleeve, a first transmission shaft is arranged inside the protective sleeve, and second bevel gears are arranged at both ends of the first transmission shaft, and a second transmission shaft is rotatably arranged inside the fixed frame, a third bevel gear is arranged at the top of the second transmission shaft, the third bevel gear is meshed with the second bevel gear at one end of the first transmission shaft, and a grinding disc is arranged at the bottom end of the second transmission shaft, and a grinding wall is arranged at the center inside the grinding device body, and the grinding wall is adapted to the grinding disc, so that the grinding disc and the grinding wall cooperate to perform secondary fine grinding on cement and mineral powder raw materials.

[0006] As a technical solution of the utility model, a chassis is arranged at the center of one side of the grinding device body, and a second rotating driving member is arranged on the surface of the grinding device body inside the chassis. A first bevel gear is arranged at the output end of the second rotating driving member, and the first bevel gear is meshed with the second bevel gear at the other end of the first transmission shaft, so that the second rotating driving member drives the first transmission shaft to rotate through the first bevel gear and the second bevel gear.

[0007] As a technical solution of the utility model, a feed port is provided at the top of the grinding device body, and a material guide hole is provided inside the other side of the top of the grinding device body, so that the conveying pipe can convey the cement and mineral powder raw materials with larger particles through the material guide hole to the grinding device body for grinding processing again.

[0008] As a technical solution of the utility model, two groups of first rotating driving members are symmetrically arranged at the top of the front center of the grinding device body, and a crushing and grinding roller is arranged at the output end of the first rotating driving member so that the first rotating driving member can drive the crushing and grinding roller to rotate to perform initial grinding of cement and mineral powder raw materials.

[0009] As a technical solution of the utility model, a plurality of fixing parts are symmetrically arranged at the bottom end of the grinding device body, a limiting rod is movably arranged inside the fixing part, and a spring is arranged outside the top end of the limiting rod so that the sub-screen plate can be installed inside the fixing part through the limiting rod.

[0010] As a technical solution of the utility model, a sub-screening plate is arranged at the top end of the limiting rod, and a vibrator is arranged on the lower end surface of one end of the sub-screening plate so that the vibrator can drive the sub-screening plate to vibrate.

[0011] As a technical solution of the utility model, a material guide box is arranged on one side of the bottom end of the grinding device body, a conveying assembly is arranged at the output end of the material guide box, and a third rotating driving member is arranged at the bottom end of the conveying assembly, so that larger particles of cement and mineral powder raw materials after screening can be conveyed to the inside of the conveying assembly through the material guide box.

[0012] As a technical solution of the present invention, a spiral conveying rod is provided at the output end of the third rotating driving member, and a conveying pipe is provided on one side of the top of the third rotating driving member, so that the third rotating driving member can drive the larger particles of cement and mineral powder raw materials inside the conveying assembly to move upward to the conveying pipe through the spiral conveying rod.

[0013] Compared with the prior art, the beneficial effect of the utility model is as follows: by fixing the fixed frame at the center of the grinding device body, and arranging a spherical protective sleeve at the top of the fixed frame, and arranging a protective sleeve on one side of the spherical protective sleeve, and then rotatably installing the first transmission shaft inside the protective sleeve, and arranging second bevel gears at both ends of the first transmission shaft respectively, and then rotatably installing the second transmission shaft inside the fixed frame, so that the third bevel gear at the top of the second transmission shaft meshes with the second bevel gear at one end of the first transmission shaft, so that the second rotating driving member drives the first bevel gear to rotate, and then the first bevel gear drives the first transmission shaft to rotate through the second bevel gear at the other end of the first transmission shaft, and at the same time, the second bevel gear at one end of the first transmission shaft drives the second transmission shaft to rotate through the third bevel gear, so that the second transmission shaft drives the grinding disc to rotate, so that the grinding disc and the grinding wall cooperate to perform secondary fine grinding on cement and mineral powder raw materials, thereby improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the external structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 For the utility model Figure 2 The enlarged structural diagram at B in the middle;

[0018] Figure 5 For the utility model Figure 2 Enlarged structural diagram at point C in the middle.

[0019] In the figure: 1. grinding device body; 2. feed inlet; 3. first rotating drive member; 4. crushing grinding roller; 5. chassis; 6. second rotating drive member; 7. first bevel gear; 8. protective sleeve; 9. first transmission shaft; 10. second bevel gear; 11. fixed frame; 12. spherical protective sleeve; 13. second transmission shaft; 14. third bevel gear; 15. grinding disc; 16. grinding wall; 17. fixing member; 18. limit rod; 19. spring; 20. sub-screen plate; 2001, vibrating machine; 21. material guide box; 22. conveying assembly; 23. third rotating drive member; 24. spiral conveying rod; 25. conveying pipe; 26. material guide hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides an embodiment: an ultrafine grinding device suitable for cement and mineral powder, comprising a grinding device body 1, a fixing frame 11 is arranged at the center of the grinding device body 1, a spherical protective sleeve 12 is arranged at the top of the fixing frame 11, a protective sleeve 8 is arranged on one side of the spherical protective sleeve 12, a first transmission shaft 9 is arranged inside the protective sleeve 8, and second bevel gears 10 are arranged at both ends of the first transmission shaft 9, and a second transmission shaft 13 is rotatably arranged inside the fixing frame 11, a third bevel gear 14 is arranged at the top of the second transmission shaft 13, the third bevel gear 14 is meshed with the second bevel gear 10 at one end of the first transmission shaft 9, and a grinding disc 15 is arranged at the bottom end of the second transmission shaft 13, and a grinding wall 16 is arranged at the center of the grinding device body 1, and the grinding wall 16 is adapted to the grinding disc 15;

[0022] When in use, the fixing frame 11 is fixed at the center of the grinding device body 1, and a spherical protective sleeve 12 is arranged at the top of the fixing frame 11, and a protective sleeve 8 is arranged on one side of the spherical protective sleeve 12, and then the first transmission shaft 9 is rotatably installed inside the protective sleeve 8, and second bevel gears 10 are respectively arranged at both ends of the first transmission shaft 9, and then the second transmission shaft 13 is rotatably installed inside the fixing frame 11, so that the third bevel gear 14 at the top of the second transmission shaft 13 is meshed with the second bevel gear 10 at one end of the first transmission shaft 9;

[0023] A case 5 is provided at the center of one side of the grinding device body 1, a second rotating driving member 6 is provided on the surface of the grinding device body 1 inside the case 5, a first bevel gear 7 is provided at the output end of the second rotating driving member 6, and the first bevel gear 7 is meshed with a second bevel gear 10 at the other end of the first transmission shaft 9;

[0024] When in use, the first bevel gear 7 is fixed to the outside of the output end of the second rotary drive member 6, so that the first bevel gear 7 is meshed with the second bevel gear 10 at the other end of the first transmission shaft 9, so that the second rotary drive member 6 drives the first transmission shaft 9 to rotate through the first bevel gear 7 and the second bevel gear 10;

[0025] A feed inlet 2 is provided at the top of the grinding device body 1, and a material guide hole 26 is provided inside the other side of the top of the grinding device body 1;

[0026] When in use, a material guide hole 26 is provided inside the other side of the top of the grinding device body 1, and the input end of the delivery pipe 25 is installed inside the material guide hole 26, so that the delivery pipe 25 can transport the cement and mineral powder materials with larger particles to the grinding device body 1 for further grinding.

[0027] Two sets of first rotating driving members 3 are symmetrically arranged at the top of the center of the front face of the grinding device body 1, and a crushing grinding roller 4 is arranged at the output end of the first rotating driving member 3;

[0028] When in use, crushing and grinding rollers 4 are arranged at the output ends of the two sets of first rotating driving members 3, and the two sets of crushing and grinding rollers 4 are movably mounted on the top of the inner side of the grinding device body 1, so that the first rotating driving members 3 drive the crushing and grinding rollers 4 to rotate and grind the cement and mineral powder raw materials for the first time;

[0029] A plurality of fixing members 17 are symmetrically arranged at the bottom of the grinding device body 1, a limit rod 18 is movably arranged inside the fixing member 17, and a spring 19 is arranged outside the top of the limit rod 18;

[0030] When in use, multiple groups of limit rods 18 are arranged at the lower parts of both ends of the sub-screen plate 20, so that the sub-screen plate 20 is installed inside the fixing member 17 through the limit rods 18, and a spring 19 is arranged outside the top of the limit rod 18, so that the sub-screen plate 20 is in a suspended state;

[0031] A sub-screening plate 20 is provided at the top end of the limiting rod 18, and a vibrator 2001 is provided at the lower end surface of one end of the sub-screening plate 20;

[0032] When in use, the vibrator 2001 is fixed to the lower end surface of the sieve plate 20, so that the vibrator 2001 drives the sieve plate 20 to vibrate, thereby sieving the ground cement and mineral powder raw materials;

[0033] A material guide box 21 is disposed on the other side of the bottom end of the grinding device body 1, a conveying assembly 22 is disposed at the output end of the material guide box 21, and a third rotating driving member 23 is disposed at the bottom end of the conveying assembly 22;

[0034] When in use, a material guide box 21 is provided at the bottom of the other side of the grinding device body 1, so that the larger particles of cement and mineral powder raw materials after screening are transported to the inside of the conveying assembly 22 through the material guide box 21;

[0035] A spiral conveying rod 24 is disposed at the output end of the third rotary driving member 23, and a conveying pipe 25 is disposed at one side of the top end of the third rotary driving member 23;

[0036] When in use, a screw conveying rod 24 is provided at the output end of the third rotary drive member 23 , so that the third rotary drive member 23 drives the larger particles of cement and mineral powder materials inside the conveying assembly 22 to move upward to the conveying pipe 25 through the screw conveying rod 24 .

[0037] When the embodiment of the present application is used, cement and mineral powder raw materials are first added into the feed port 2, and then the first rotating driving member 3 drives the crushing and grinding roller 4 to rotate to perform the primary crushing and grinding of the cement and mineral powder raw materials. After the primary grinding, the cement and mineral powder raw materials fall to the top of the grinding disc 15, and then the second rotating driving member 6 drives the first transmission shaft 9 to rotate through the first bevel gear 7 and the second bevel gear 10 at the other end of the first transmission shaft 9, so that the first transmission shaft 9 drives the third bevel gear 14 through the second bevel gear 10 at one end, and then the third bevel gear 14 drives the second transmission shaft 13, so that the second transmission shaft 13 drives the grinding disc 15, and then the grinding disc 15 is matched with the grinding wall 16. The cement and mineral powder raw materials are finely ground, and then the vibrator 2001 drives the sieve plate 20 to vibrate, and then the ground cement and mineral powder raw materials are screened. The qualified cement and mineral powder raw materials are discharged through the discharge port, and the cement and mineral powder raw materials with larger particles screened out slide into the conveying component 22 through the guide box 21, and then the third rotating drive member 23 drives the spiral conveying rod 24 to rotate, so that the larger particles of cement and mineral powder raw materials in the conveying component 22 move upward, and are transported again to the inside of the grinding device body 1 through the guide hole 26 by the conveying pipe 25 at the top of the conveying component 22 for grinding processing, thereby completing the use of the ultra-fine grinding device suitable for cement and mineral powder.

[0038] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An ultrafine grinding device for cement and mineral powder, comprising a grinding device body (1), characterized in that: A fixing frame (11) is arranged at the center of the grinding device body (1), a spherical protective sleeve (12) is arranged at the top of the fixing frame (11), a protective sleeve (8) is arranged on one side of the spherical protective sleeve (12), a first transmission shaft (9) is arranged inside the protective sleeve (8), and second bevel gears (10) are arranged at both ends of the first transmission shaft (9), and a second transmission shaft (13) is rotatably arranged inside the fixing frame (11), a third bevel gear (14) is arranged at the top of the second transmission shaft (13), the third bevel gear (14) is meshed with the second bevel gear (10) at one end of the first transmission shaft (9), and a grinding disc (15) is arranged at the bottom end of the second transmission shaft (13), and a grinding wall (16) is arranged at the center of the grinding device body (1), and the grinding wall (16) is adapted to the grinding disc (15).

2. The ultrafine grinding device for cement and mineral powder according to claim 1 is characterized in that: A housing (5) is provided at the center of one side of the grinding device body (1); a second rotating drive member (6) is provided on the surface of the grinding device body (1) inside the housing (5); a first bevel gear (7) is provided at the output end of the second rotating drive member (6); and the first bevel gear (7) is meshed with a second bevel gear (10) at the other end of the first transmission shaft (9).

3. The ultrafine grinding device for cement and mineral powder according to claim 1 is characterized in that: A material feed port (2) is provided at the top of the grinding device body (1), and a material guide hole (26) is provided inside the other side of the top of the grinding device body (1).

4. The ultrafine grinding device for cement and mineral powder according to claim 1 is characterized in that: Two groups of first rotating drive members (3) are symmetrically arranged at the top end at the center of the front face of the grinding device body (1), and a crushing grinding roller (4) is arranged at the output end of the first rotating drive member (3).

5. The ultrafine grinding device for cement and mineral powder according to claim 1 is characterized in that: A plurality of fixing members (17) are symmetrically arranged at the bottom end of the grinding device body (1), a limiting rod (18) is movably arranged inside the fixing member (17), and a spring (19) is arranged outside the top end of the limiting rod (18).

6. The ultrafine grinding device for cement and mineral powder according to claim 5 is characterized in that: A sub-screening plate (20) is arranged at the top end of the limiting rod (18), and a vibrator (2001) is arranged at the lower end surface of one end of the sub-screening plate (20).

7. The ultrafine grinding device for cement and mineral powder according to claim 1 is characterized in that: A material guide box (21) is arranged at one side of the bottom end of the grinding device body (1), a conveying assembly (22) is arranged at the output end of the material guide box (21), and a third rotating driving member (23) is arranged at the bottom end of the conveying assembly (22).

8. The ultrafine grinding device for cement and mineral powder according to claim 7 is characterized in that: The output end of the third rotary drive member (23) is provided with a spiral conveying rod (24), and one side of the top end of the third rotary drive member (23) is provided with a conveying pipe (25).

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