High efficiency cement mill

Abstract

The utility model discloses a kind of efficient cement grinding machine, it is related to the technical field of grinding machine, including shell one and the shell two of coaxial fixed in the bottom of shell one, the side wall center of shell two close to shell one is equipped with vertical through rotation passageway one, rotation passageway one is equipped with driving mechanism inside, driving mechanism includes rotating plate two, rotation is connected in the arc wall inside rotation passageway close to one end of shell one;In the utility model, the ingenious combination of planetary gear mechanism and driving mechanism is realized, several broken rollers are in the large revolution around shell one axis, and can also be in the meshing effect of driven gear and inner tooth ring one under small revolution around rotating plate one, the large revolution of broken roller is combined with small revolution, so that material is more fully stirred and broken in grinding machine, improves broken efficiency and fineness uniformity, due to the enhancement of stirring and breaking effect, the energy consumption of grinding machine has been effectively reduced, improves energy utilization efficiency.

Description

Technical Field

[0001] This utility model relates to the field of grinding mill technology, specifically to a high-efficiency cement grinding mill. Background Technology

[0002] Cement grinding mills are mainly used in industries such as cement, building materials, mining, and metallurgy. They are used to crush lumpy or granular raw materials into fine powder that meets the requirements. In the cement production process, the grinding mill is one of the key pieces of equipment. It can crush raw materials such as limestone, clay, and iron ore to meet the needs of cement clinker production. In addition, in the building materials, mining, and metallurgical industries, grinding mills are also used to process various ores, slags, and other materials to meet the needs of different industrial sectors for fine powder materials.

[0003] For some relatively large raw materials, a crusher is generally used to crush them into smaller pieces before feeding them into a grinding mill for further processing. However, traditional grinding mills often use a single mixing or crushing method, which results in the material not being fully mixed and crushed in the machine, resulting in poor uniformity of fineness. Due to the low mixing and crushing efficiency, energy consumption is high and energy utilization efficiency is low.

[0004] In view of the above, this application is hereby submitted. Utility Model Content

[0005] The purpose of this invention is to provide a high-efficiency cement grinding mill to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides a high-efficiency cement grinding mill, including a housing first and a housing second coaxially fixed to the bottom of the housing first. A vertically penetrating rotating channel first is provided at the center of one side wall of the housing second near the housing first. A driving mechanism is provided within the rotating channel first, and the driving mechanism includes:

[0007] Rotating plate two is rotatably connected to one end of the inner arc wall of the rotating channel near the shell one. Several vertically penetrating rotating channels two are opened on the side wall of rotating plate two near the shell one in a ring array about the axis of rotating plate two. An inner toothed ring one is fixedly connected to one end of the inner arc wall of rotating channel two near the shell two.

[0008] Rotating plate one, rotating channel two is rotatably connected to the inner arc wall of rotating channel two away from the inner tooth ring one, and rotates and abuts against the inner tooth ring one. A vertical through channel one is opened on the side wall of rotating plate one away from shell two. A rotating rod is embedded in channel one. The length direction of the rotating rod is parallel to the radial direction of rotating plate one.

[0009] A rotating shaft is rotatably connected to one end of the rotating rod on the side wall away from the housing two, near the axis of the rotating plate. A crushing roller is coaxially fixed to the end of the rotating shaft away from the rotating rod. Crushing teeth are provided on the outer arc wall of the crushing roller. The length directions of two adjacent rotating rods are perpendicular to each other. An annular filter plate is installed on the side wall of the housing two near the housing one at the outer edge of the rotating channel one. The cross-sectional radius of the outer arc wall of the annular filter plate is smaller than the cross-sectional radius of the inner arc wall of the housing one.

[0010] Furthermore, a driven gear is rotatably connected to the bottom end of the side wall near the housing two, close to the first rotating shaft. The driven gear and the rotating shaft are coaxially arranged and fixedly connected to each other. The driven gear is meshed with the first internal gear ring. A second rotating shaft is fixedly connected to the bottom end of the side wall near the housing two, away from the driven gear. The same rotating plate three is provided on the outer arc wall of several ends of the second rotating shafts away from the rotating rod.

[0011] Furthermore, the rotating plate three rotates coaxially on the inner arc wall of the rotating channel one. Several vertically penetrating rotating channels three are provided on the outer edge of the side wall of the rotating plate three near the housing one, arranged in a circular array about the axis of the rotating plate three. Several rotating shafts two correspond one-to-one with several rotating channels three. The rotating shafts two are rotatably inserted into the rotating channels three. The end of the rotating shaft two away from the rotating rod passes through the rotating channel three to the side of the rotating plate three near the housing two. A planetary gear is fixed to the end of the rotating shaft two that passes through the rotating plate three. The same sun gear is meshed on the side of several planetary gears that are close to each other.

[0012] Furthermore, several planetary gears are meshed with the same internal gear ring II on their opposite sides. A housing III is fixed to the outer arc wall of the internal gear ring II. The housing III is fixed to the side wall of the housing II closest to the housing I, and the cross-sectional radius of the inner arc wall of the housing III is larger than the cross-sectional radius of the rotation channel I. A motor is coaxially fixed to the side wall of the rotating plate III away from the housing I. The motor is fixedly connected to the inner side wall of the housing III away from the housing I. A rotating shaft III is coaxially rotated on the side wall of the sun gear close to the rotating plate III. The end of the rotating shaft III away from the sun gear passes through the rotating plate III and is fixed to the rotating plate II. The rotating shaft III and the rotating plate III are fixedly connected to each other.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] Through the ingenious combination of planetary gear mechanism and drive mechanism, several crushing rollers can make large revolutions around the shell axis, while also making small revolutions around the rotating plate under the meshing action of driven gear and internal gear ring. The combination of large and small revolutions of the crushing rollers makes the material more fully stirred and crushed in the mill, improving crushing efficiency and fineness uniformity. Due to the enhanced stirring and crushing effect, the energy consumption of the mill is effectively reduced, improving energy utilization efficiency. Attached Figure Description

[0015] Figure 1 An exploded view of the internal structure of a high-efficiency cement grinding mill;

[0016] Figure 2 This is a schematic diagram of the shell structure of a high-efficiency cement grinding mill;

[0017] Figure 3 This is a schematic diagram showing the connection relationship between the shell and the crushing roller in a high-efficiency cement grinding mill.

[0018] Figure 4 This is a schematic diagram showing the connection relationship between the crushing roller and the drive mechanism in a high-efficiency cement grinding mill.

[0019] Figure 5 This is a schematic diagram of the overall structure of a high-efficiency cement grinding mill.

[0020] In the picture:

[0021] 10. Shell 1; 11. Shell 2; 12. Crushing roller; 13. Rotating plate 1; 14. Rotating plate 2; 15. Shell 3;

[0022] 20. Shaft 1; 21. Rotating rod; 22. Driven gear; 23. Internal gear ring 1; 24. Shaft 2;

[0023] 30. Rotating plate three; 31. Sun gear; 32. Planet gear; 33. Internal gear ring two; 34. Motor. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0025] Please see the appendix Figure 1 To be continued Figure 5 This utility model provides a high-efficiency cement grinding mill, comprising a housing 10 and a housing 2 11 coaxially fixed to the bottom of the housing 10. The housing 2 11 has a vertically penetrating rotating channel 1 at the center of one side wall near the housing 10. A driving mechanism is provided within the rotating channel 1, and the driving mechanism includes:

[0026] Rotating plate 2 14 is rotatably connected to one end of the inner arc wall of the rotating channel near the housing 10. Several vertically penetrating rotating channels 2 are provided on one side wall of rotating plate 2 14 near the housing 10, arranged in a ring array about the axis of rotating plate 2 14. An internal toothed ring 23 is fixedly connected to one end of the inner arc wall of rotating channel 2 near the housing 11.

[0027] Rotating plate 13 is rotatably connected to one end of the inner arc wall of rotating channel 2 on rotating plate 24 away from the inner toothed ring 23 and rotates and abuts against the inner toothed ring 23. A vertical through channel 1 is opened on the side wall of rotating plate 13 away from housing 21. A rotating rod 21 is embedded in the channel 1. The length direction of the rotating rod 21 is parallel to the radial direction of rotating plate 13.

[0028] A rotating shaft 20 is rotatably connected to one end of a rotating rod 21 on the side wall away from the housing 21, near the axis of the rotating plate 13. A crushing roller 12 is coaxially fixed to the end of the rotating shaft 20 away from the rotating rod 21. Crushing teeth are provided on the outer arc wall of the crushing roller 12. The length directions of two adjacent rotating rods 21 are perpendicular to each other.

[0029] An annular filter plate is installed on the side wall of the second housing 11 near the outer edge of the first rotating channel. The radius of the outer arc wall of the annular filter plate is smaller than the radius of the inner arc wall of the first housing 10.

[0030] It should be noted that: Rotating plate 13 is used to close rotating channel 2 to prevent impurities generated during crushing from entering rotating channel 2; rotating plate 2 14 is used to close rotating channel 1 to prevent impurities generated during crushing from entering rotating channel 1; and rotating plate 30 is used to further close rotating channel 1 to prevent impurities from entering housing 3 15.

[0031] The annular filter plate is used to screen the crushed material. The material that does not reach the specified size cannot enter the shell 11 through the filter screen. The inner arc wall cross-sectional radius of the annular filter plate is larger than the outer arc wall cross-sectional radius of the shell 15. Furthermore, crushing teeth can also be added to the inner arc wall of the shell 10 to enhance the grinding effect.

[0032] Please see the appendix Figure 1 To be continued Figure 5 The present invention provides a technical solution: a plurality of planetary gears 32 are meshed with the same internal toothed ring 33 on their opposite sides, and a housing 3 15 is fixed on the outer arc wall of the internal toothed ring 33. The housing 3 15 is fixed on the side wall of the housing 2 11 near the housing 1 10, and the cross-sectional radius of the inner arc wall of the housing 3 15 is greater than the cross-sectional radius of the rotation channel 1.

[0033] A motor 34 is coaxially fixed on the side wall of the rotating plate 30 away from the housing 10. The motor 34 is fixedly connected to the inner side wall of the housing 35 away from the housing 10. A rotating shaft 3 is coaxially rotated on the side wall of the sun gear 31 near the rotating plate 30. The end of the rotating shaft 3 away from the sun gear 31 passes through the rotating plate 30 and is fixed to the rotating plate 2 14. The rotating shaft 3 and the rotating plate 30 are fixedly connected to each other.

[0034] It should be noted that after the motor 34 starts, it drives the planetary gear set composed of the sun gear 31, planet gear 32 and internal gear ring 33 to operate. The rotation of the planet gear 32 is transmitted to the rotating rod 21 through the rotating shaft 24. Since the rotating rod 21 is fixedly connected to the driven gear 22, the driven gear 22 rotates together with the rotating rod 21. The meshing action of the driven gear 22 and the internal gear ring 23 allows the rotating rod 21, the rotating shaft 20 on it and the crushing roller 12 to rotate on their own axis while revolving around the rotating plate 30.

[0035] Please see the appendix Figure 1 To be continued Figure 5 The present invention provides a technical solution: a driven gear 22 is rotatably connected to the bottom end of the side wall of the rotating rod 21 near the housing 21 and close to the rotating shaft 20. The driven gear 22 and the rotating shaft 20 are coaxially arranged and fixedly connected to each other. The driven gear 22 is meshed with the internal gear ring 23. A rotating shaft 24 is fixedly connected to the bottom end of the side wall of the rotating rod 21 near the housing 21 away from the driven gear 22. The same rotating plate 30 is provided on the outer arc wall of the ends of several rotating shafts 24 away from the rotating rod 21.

[0036] The rotating plate 30 rotates coaxially on the inner arc wall of the rotating channel 1. Several vertically penetrating rotating channels 3 are provided on the outer edge of the side wall of the rotating plate 30 near the housing 10. Several rotating shafts 24 correspond one-to-one with several rotating channels 3. The rotating shafts 24 are rotatably inserted into the rotating channels 3.

[0037] The end of the rotating shaft 24 away from the rotating rod 21 passes through the rotating channel 3 to the side of the rotating plate 30 near the housing 21. A planetary gear 32 is fixed to the end of the rotating shaft 24 that passes through the rotating plate 30. The same sun gear 31 is meshed with the sides of several planetary gears 32 that are close to each other.

[0038] It should be noted that: the same fixed shaft is fixedly connected to the side wall of rotating shaft 20 and rotating shaft 24 that are close to each other. The fixed shaft passes through the rotating rod 21 and is rotatably connected to the rotating rod 21. The cross-sectional radius of the sun gear 31 is larger than the cross-sectional radius of the planet gear 32.

[0039] When the planetary gear set drives the rotating rod 21 to rotate, since the rotating plate 24 is directly driven by the sun gear 31 and the rotating plate 13 is indirectly driven by the planet gear 32, the rotation speed of the rotating rod 21 is greater than the rotation speed of the rotating plate 24. As a result, the driven gear 22 can mesh with the internal gear ring 23, thereby driving the crushing roller 12 to make a small revolution around the rotating plate 13.

[0040] Working principle:

[0041] After the motor 34 starts, it drives the planetary gear set composed of the sun gear 31, planet gear 32 and internal gear ring 33 to operate. The rotation of the planet gear 32 is transmitted to the rotating rod 21 through the rotating shaft 24. Since the rotating rod 21 is fixedly connected to the driven gear 22, the driven gear 22 rotates together with the rotating rod 21. The meshing action of the driven gear 22 and the internal gear ring 23 causes the rotating rod 21, the rotating shaft 20 on it and the crushing roller 12 to rotate on their own axis while revolving around the rotating plate 30.

[0042] The combined rotation and revolution of the crushing roller 12 enables its crushing teeth to more effectively crush and grind the material. This combined motion enhances the mixing and crushing effect and improves production efficiency. The material enters from the top of the shell 10, and after being crushed and ground by the crushing roller 12, the fine powder material is discharged through the annular filter plate, while the larger particles continue to be acted upon by the crushing roller 12 until the required fineness is achieved.

Claims

1. A high-efficiency cement grinding mill, comprising a first housing (10) and a second housing (11) coaxially fixed to the bottom of the first housing (10), characterized in that: The second housing (11) has a vertically penetrating rotating channel one at the center of one side wall near the first housing (10). The rotating channel one is equipped with a driving mechanism, which includes: Rotating plate two (14) is rotatably connected to one end of the inner arc wall of the rotating channel near the shell one (10). Several rotating channels two are vertically penetrating and arranged in a ring array about the axis of rotating plate two (14). An inner toothed ring one (23) is fixedly connected to one end of the inner arc wall of the rotating channel two near the shell two (11). Rotating plate one (13) is rotatably connected to the inner arc wall of rotating channel two on rotating plate two (14) away from the inner tooth ring one (23), and rotates and abuts against the inner tooth ring one (23). A vertical through channel one is opened on the side wall of rotating plate one (13) away from shell two (11). A rotating rod (21) is embedded in the channel one. The length direction of the rotating rod (21) is parallel to the radial direction of rotating plate one (13). The first rotating shaft (20) is rotatably connected to the end of the rotating rod (21) away from the second housing (11) near the axis of the rotating plate (13). The end of the first rotating shaft (20) away from the rotating rod (21) is coaxially fixed with a crushing roller (12). The outer arc wall of the crushing roller (12) is provided with crushing teeth. The length directions of two adjacent rotating rods (21) are perpendicular to each other.

2. The high-efficiency cement grinding mill as described in claim 1, characterized in that: The rotating rod (21) is rotatably connected to a driven gear (22) at the bottom end of one side wall of the housing (11) near the rotating shaft (20). The driven gear (22) is coaxially arranged with the rotating shaft (20) and fixedly connected to each other. The driven gear (22) is meshed with the internal gear ring (23). The rotating rod (21) is fixedly connected to a rotating shaft (24) at the bottom end of one side wall of the housing (11) away from the driven gear (22). The same rotating plate (30) is provided on the outer arc wall of the ends of several rotating shafts (24) away from the rotating rod (21).

3. The high-efficiency cement grinding mill as described in claim 2, characterized in that: The rotating plate three (30) rotates coaxially on the inner arc wall of the rotating channel one. Several rotating channels three are vertically penetrating and arranged in a ring array about the axis of the rotating plate three (30) at the outer edge of the side wall of the rotating plate three (30) near the housing one (10). Several rotating shafts two (24) correspond one-to-one with several rotating channels three. The rotating shafts two (24) are rotatably inserted into the rotating channels three.

4. The high-efficiency cement grinding mill as described in claim 2, characterized in that: The end of the rotating shaft 2 (24) away from the rotating rod (21) passes through the rotating channel 3 to the side of the rotating plate 3 (30) near the housing 2 (11). A planetary gear (32) is fixed at the end of the rotating shaft 2 (24) that passes through the rotating plate 3 (30). The same sun gear (31) is meshed with the sides of several planetary gears (32) that are close to each other.

5. The high-efficiency cement grinding mill as described in claim 4, characterized in that: Several planetary gears (32) are meshed with the same internal gear ring two (33) on their opposite sides. A housing three (15) is fixed on the outer arc wall of the internal gear ring two (33). The housing three (15) is fixed on the side wall of the housing two (11) near the housing one (10), and the cross-sectional radius of the inner arc wall of the housing three (15) is greater than the cross-sectional radius of the rotation channel one.

6. The high-efficiency cement grinding mill as described in claim 4, characterized in that: A motor (34) is coaxially fixed on the side wall of the rotating plate three (30) away from the housing one (10), and the motor (34) is fixedly connected to the inner side wall of the housing three (15) away from the housing one (10).

7. The high-efficiency cement grinding mill as described in claim 4, characterized in that: The sun gear (31) has a rotating shaft three on one side wall near the rotating plate three (30). The end of the rotating shaft three away from the sun gear (31) passes through the rotating plate three (30) and is fixed on the rotating plate two (14). The rotating shaft three and the rotating plate three (30) are fixedly connected to each other.

8. The high-efficiency cement grinding mill as described in claim 1, characterized in that: An annular filter plate is installed on the side wall of the second shell (11) near the first shell (10) at the outer edge of the first rotation channel. The radius of the outer arc wall of the annular filter plate is smaller than the radius of the inner arc wall of the first shell (10).

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