Cement material grinding system

Abstract

The invention relates to the technical field of cement processing, and discloses a cement material grinding system which comprises a grinding box body, grinding cavities are formed in the grinding box body, a feeding cavity is formed in the top of the grinding box body, the bottom of the feeding cavity is communicated with a material guiding cavity, the material guiding cavity is formed between the two grinding cavities, a rotating shaft is rotationally arranged in the material guiding cavity, and the rotating shaft is arranged in the grinding box body. Protruding blocks are arranged between the rotating shaft and the material guiding cavity, a notch is formed in the side face of the material guiding cavity and penetrates into the grinding cavity, and a filter screen is fixed into the grinding cavity. According to the cement grinding device, the material guiding cavity is formed, the protruding block is arranged between the material guiding cavity and the rotating shaft, the protruding block can be driven to move through rotation of the rotating shaft, and therefore fed cement can be subjected to primary treatment, the movable baffle is controlled to move according to requirements, and the cement can be selectively ground into finished products with particles according to the requirements; and the grinding mechanism is movably arranged in the grinding cavity, so that the cement subjected to primary treatment can be finely ground.

Description

Technical Field

[0001] The invention relates to the technical field of cement processing and discloses a cement material grinding system. Background Art

[0002] Cement grinding is the final process in cement manufacturing. Its main function is to grind cement clinker (and retarder, performance adjustment material, etc.) to a suitable particle size (expressed in terms of fineness, specific surface area, etc.), form a certain particle gradation, increase its hydration area, accelerate the hydration rate, and meet the requirements of cement paste coagulation and hardening. After cement grinding, a hopper is used for storage and unloading.

[0003] In the prior art, cement to be ground is mostly put into the grinding device, and the grinding mechanism is started to grind the cement. For example, CN113663804A in the prior art discloses a cement grinding device, including: a chassis, a driven grinding roller, and an active grinding roller; a discharge port is provided at the lower part of the chassis, and the chassis and the discharge port are connected by welding; the driven grinding roller and the active grinding roller are arranged on the left and right sides of the lower part of the chassis, and the driven grinding roller and the active grinding roller are connected to the chassis through bearings; the material tray is arranged in the middle position of the chassis, and the material tray is connected to the chassis by welding; the material trough is located inside the material tray, and the material trough and the material tray are an integrated structure. Through the improvement in structure, it has the dual functionality of grinding and grinding operations, greatly improves the grinding quality, and fully improves the practical value of the device.

[0004] The above-mentioned cement grinding device realizes the cement grinding work by the rotation cooperation of the driven grinding roller and the active grinding roller. However, when grinding in this grinding method, part of the cement cannot be effectively ground, resulting in different sizes of the ground particles, which is difficult to meet the specified requirements, resulting in an increase in the rework rate and increased costs. In addition, during the grinding process, it is sometimes necessary to grind the cement into particles. However, the existing equipment cannot meet the needs of both effectively grinding the cement and grinding the cement into particles according to the needs, resulting in the single practical performance of the entire grinding device. Summary of the invention

[0005] In view of the defects in the prior art, the present invention provides a cement material grinding system, which can effectively grind the put cement and grind the cement according to the needs, so that it is easy to use.

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

[0007] A cement material grinding system comprises a grinding box, a grinding cavity is arranged inside the grinding box, a feeding cavity is opened on the top of the grinding box, the bottom of the feeding cavity is connected with a material guide cavity, the material guide cavity is arranged between two grinding cavities, a rotating shaft is rotatably arranged in the material guide cavity, protrusions are arranged between the rotating shaft and the material guide cavity, a notch is opened on the side of the material guide cavity, the notch passes through the grinding cavity, a filter is fixed inside the grinding cavity, a grinding mechanism is movably arranged above the filter, a guide plate is installed on the inner wall of the grinding cavity, a movable baffle is movably arranged on the guide plate, the top of the guide plate is fitted with the bottom of the notch, a knocking mechanism is rotatably arranged inside the grinding cavity, and the knocking mechanism is arranged below the filter.

[0008] Furthermore, a plurality of protrusions are provided between the rotating shaft and the material guiding cavity, and the spacing between the plurality of protrusions between the rotating shaft and the material guiding cavity gradually decreases from top to bottom.

[0009] Furthermore, an electric push rod is installed inside the grinding chamber, a movable baffle is installed at the output end of the electric push rod, the end of the movable baffle is movably fitted with the top of the guide plate, and a sealed bearing is provided on the rotating shaft, and the end of the sealed bearing is fitted with the bottom of the notch.

[0010] Furthermore, the guide plate is hollow, a micro cylinder is installed inside the guide plate, a telescopic end of the micro cylinder is connected to a folding baffle, and the folding baffle is arranged at the inner top of the guide plate.

[0011] Furthermore, the grinding mechanism includes a rotating motor and a grinding block movably arranged inside the grinding chamber, a cylinder is installed at the inner top of the grinding chamber, the telescopic end of the cylinder is connected to the rotating motor, the output end of the rotating motor is connected to the grinding block, the grinding block and the filter are both arranged in an arc shape, one end of the filter is installed on the guide plate, and the other end of the filter is installed on the grinding chamber.

[0012] Furthermore, a protective cover is installed inside the grinding chamber, a driven gear and a connecting rod are arranged inside the protective cover, the connecting rod passes through the protective cover and is arranged in the grinding chamber, the knocking mechanism is installed at the end of the connecting rod, a driving gear is installed on the rotating shaft, and the driving gear is meshed and connected with the driven gear.

[0013] Furthermore, the knocking mechanism includes a rotating rod, a spring and a knocking ball, wherein the rotating rod is fixedly connected to the connecting rod, the spring is arranged between the rotating rod and the knocking ball, and the knocking ball is in active contact with the filter screen.

[0014] Furthermore, a servo motor is installed at the inner bottom end of the grinding box, and the output end of the servo motor is connected to the rotating shaft. A discharge pipe is provided through the bottom of the grinding cavity.

[0015] It can be seen from the above technical solution that the beneficial effects of the present invention are:

[0016] The present invention provides a material guide cavity and a convex block between the material guide cavity and the rotating shaft. The rotation of the rotating shaft can drive the convex block to move, thereby performing preliminary treatment on the put cement. The activity of the movable baffle is controlled according to demand, so that the cement can be ground into a granular finished product according to demand. A grinding mechanism is movably provided inside the grinding cavity, so that the cement after the preliminary treatment can be finely ground, thereby ensuring the grinding accuracy of the cement and preventing the subsequent rework due to poor grinding. The knocking mechanism can prevent the filter from being blocked, thereby facilitating continuous grinding of the cement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 For the present invention Figure 1 A magnified schematic diagram of point A;

[0020] Figure 3 For the present invention Figure 1 An enlarged schematic diagram of point B;

[0021] Figure 4 It is a connection diagram of the striking mechanism in the present invention;

[0022] Figure 5 It is a cross-sectional schematic diagram of the guide plate in the present invention.

[0023] Reference numerals:

[0024] 1-grinding box, 2-feeding chamber, 3-guiding chamber, 4-rotating shaft, 5-bump, 6-cylinder, 7-rotating motor, 8-grinding block, 9-filter, 10-servo motor, 11-discharging pipe, 12-grinding chamber, 13-electric push rod, 14-movable baffle, 15-notch, 16-drainage plate, 17-sealed bearing, 18-protective cover, 19-driving gear, 20-driven gear, 21-connecting rod, 22-rotating rod, 23-spring, 24-knocking ball, 25-folding baffle, 26-micro cylinder. DETAILED DESCRIPTION

[0025] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0026] Reference Figure 1-5 A cement material grinding system comprises a grinding box 1, wherein a grinding cavity 12 is arranged inside the grinding box 1, a feeding cavity 2 is opened on the top of the grinding box 1, a material guiding cavity 3 is connected to the bottom of the feeding cavity 2, the material guiding cavity 3 is arranged between the two grinding cavities 12, a rotating shaft 4 is rotatably arranged in the material guiding cavity 3, a convex block 5 is arranged between the rotating shaft 4 and the material guiding cavity 3, a notch 15 is opened on the side of the material guiding cavity 3, the notch 15 passes through the grinding cavity 12, a filter screen 9 is fixed inside the grinding cavity 12, a grinding mechanism is movably arranged above the filter screen 9, a guide plate 16 is installed on the inner wall of the grinding cavity 12, a movable baffle 14 is movably arranged on the guide plate 16, the top of the guide plate 16 is in contact with the bottom of the notch 15, a knocking mechanism is rotatably arranged inside the grinding cavity 12, and the knocking mechanism is arranged below the filter screen 9.

[0027] In actual use, by setting the material guide chamber 3 and setting the protrusion 5 between the material guide chamber 3 and the rotating shaft 4, the rotation of the rotating shaft 4 can drive the protrusion 5 to move, so that the put cement can be initially processed. According to the demand, the movable baffle 14 is controlled to move, so that the cement can be ground into a granular finished product according to the demand; by setting a grinding mechanism inside the grinding chamber 12, the cement after the initial treatment can be finely ground, so as to ensure the grinding accuracy of the cement and prevent the subsequent rework due to poor grinding. By setting the knocking mechanism, the filter screen 9 can be prevented from being blocked, which is convenient for continuous grinding of the cement.

[0028] In this embodiment, a plurality of protrusions 5 are provided between the rotating shaft 4 and the material guiding cavity 3, and the spacing between the plurality of protrusions 5 between the rotating shaft 4 and the material guiding cavity 3 gradually decreases from top to bottom; specifically, by providing the protrusions 5, the cement raw materials put in can be preliminarily processed.

[0029] In this embodiment, an electric push rod 13 is installed inside the grinding chamber 12, and a movable baffle 14 is installed at the output end of the electric push rod 13. The end of the movable baffle 14 is movably fitted with the top of the guide plate 16. A sealed bearing 17 is provided on the rotating shaft 4, and the end of the sealed bearing 17 is fitted with the bottom of the notch 15. Specifically, the movable baffle 14 can be driven to move by starting the electric push rod 13, so that the flow direction of the initially treated cement can be selected according to needs, and the setting of the sealed bearing 17 prevents the initially treated cement from continuing to flow toward the guide chamber 3.

[0030] In this embodiment, the guide plate 16 is hollow, and a micro cylinder 26 is installed inside the guide plate 16. The telescopic end of the micro cylinder 26 is connected to a folding baffle 25, and the folding baffle 25 is arranged on the inner top of the guide plate 16; specifically, the folding baffle 25 can be driven to move by controlling the micro cylinder 26.

[0031] Among them, when the movable baffle 14 is in contact with the top of the guide plate 16, that is, the movable baffle 14 and the notch 15 form a guiding space, the cement material coming out of the notch 15 is introduced into the guide plate 16, and directly introduced from the guide plate 16 into the bottom of the grinding chamber 12, without the need for secondary grinding by the grinding mechanism in the grinding chamber 12; when the movable baffle 14 is not in contact with the top of the guide plate 16, the folding baffle 25 is controlled to be active, and the top of the guide plate 16 is temporarily sealed. After sealing, the cement material coming out of the notch 15 will be introduced into the filter screen 9, and the cement material will be accurately ground through the activity of the grinding mechanism to prevent rework in the later stage.

[0032] In this embodiment, the grinding mechanism includes a rotating motor 7 and a grinding block 8 movably arranged inside a grinding chamber 12, a cylinder 6 is installed at the top of the inner part of the grinding chamber 12, the telescopic end of the cylinder 6 is connected to the rotating motor 7, the output end of the rotating motor 7 is connected to the grinding block 8, the grinding block 8 and the filter screen 9 are both arranged in an arc shape, one end of the filter screen 9 is installed on the guide plate 16, and the other end of the filter screen 9 is installed on the grinding chamber 12; specifically, the grinding block 8 can be driven to rotate by starting the rotating motor 7, so that the cement accumulated on the filter screen 9 can be accurately ground, and at the same time, according to the grinding requirements, the cylinder 6 is controlled to adjust the distance between the grinding block 8 and the filter screen 9 to facilitate effective grinding.

[0033] Among them, one end of the filter screen 9 is installed on the drain plate 16, and the other end of the filter screen 9 is installed on the grinding chamber 12, so that when the knocking mechanism knocks the filter screen 9, the vibration will be transmitted to the drain plate 16, thereby preventing the folding baffle 25 on the drain plate 16 from accumulating materials.

[0034] In this embodiment, a protective cover 18 is installed inside the grinding chamber 12, and a driven gear 20 and a connecting rod 21 are arranged inside the protective cover 18. The connecting rod 21 passes through the protective cover 18 and is arranged in the grinding chamber 12. The knocking mechanism is installed at the end of the connecting rod 21, and a driving gear 19 is installed on the rotating shaft 4, and the driving gear 19 is meshed and connected with the driven gear 20; the knocking mechanism includes a rotating rod 22, a spring 23 and a knocking ball 24, the rotating rod 22 is fixedly connected to the connecting rod 21, the spring 23 is arranged between the rotating rod 22 and the knocking ball 24, and the knocking ball 24 is in active contact with the filter 9; specifically, the driving gear 19 can be driven to rotate by the rotation of the rotating shaft 4, and the driven gear 20 can be driven to rotate by the rotation of the driving gear 19, so that the rotating rod 22, the spring 23 and the knocking ball 24 can be driven to rotate, and the filter 9 can be knocked to prevent the filter 9 from being blocked.

[0035] In this embodiment, a servo motor 10 is installed at the inner bottom end of the grinding box 1, and the output end of the servo motor 10 is connected to the rotating shaft 4. A discharge pipe 11 is provided at the bottom of the grinding chamber 12. Specifically, the servo motor 10 can be started to drive the rotating shaft 4 to rotate. Through the rotation of the rotating shaft 4, the cement can be initially treated and the knocking mechanism can be driven to knock the filter 9 to prevent the filter 9 from being blocked.

[0036] Working principle: The staff puts cement into the feeding chamber 2, guides the material through the guide chamber 3, controls the servo motor 10, and drives the rotating shaft 4 to rotate. The rotation of the rotating shaft 4 drives the protrusion 5 on the rotating shaft 4 to rotate, so that the protrusion in the guide chamber 3 can be used to perform initial processing on the cement. According to the needs, it is selected whether to grind the cement into particles or powder. If the cement is ground into particles, the movable baffle 14 is controlled to fit with the top of the guide plate 16, that is, the movable baffle 14 and the notch 15 form a guide space to guide the cement material coming out of the notch 15 into the guide plate 1 6. It is directly introduced into the bottom of the grinding chamber 12 from the drainage plate 16, and there is no need for secondary grinding of it by the grinding mechanism in the grinding chamber 12; if the cement is ground into powder, the movable baffle 14 is controlled to be staggered with the top of the drainage plate 16. At this time, the folding baffle 25 is controlled to be active, and the top of the drainage plate 16 is temporarily sealed. After sealing, the cement material coming out of the gap 15 will be introduced into the filter 9. Through the activity of the grinding mechanism, the cement material is accurately ground. During fine grinding, the rotation of the rotating shaft 4 will also drive the knocking mechanism to rotate, so that the filter 9 can be knocked to prevent the filter from being blocked, and the practicability is high.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A cement material grinding system, comprising a grinding box (1), a grinding cavity (12) is provided inside the grinding box (1), and a feeding cavity (2) is provided on the top of the grinding box (1), characterized in that: The bottom of the feeding chamber (2) is connected to a material guiding chamber (3), which is arranged between two grinding chambers (12). A rotating shaft (4) is rotatably arranged in the material guiding chamber (3), and a convex block (5) is arranged between the rotating shaft (4) and the material guiding chamber (3). A notch (15) is opened on the side of the material guiding chamber (3), and the notch (15) passes through the grinding chamber (12). A filter screen (9) is fixed inside the grinding chamber (12), and a grinding mechanism is movably arranged above the filter screen (9). A guide plate (16) is installed on the inner wall of the grinding chamber (12), and a movable baffle (14) is movably arranged on the guide plate (16). The top of the guide plate (16) is in contact with the bottom of the notch (15). A knocking mechanism is rotatably arranged inside the grinding chamber (12), and the knocking mechanism is arranged below the filter screen (9).

2. A cement material grinding system according to claim 1, characterized in that: A plurality of the protrusions (5) are provided between the rotating shaft (4) and the material guiding cavity (3), and the spacing between the plurality of protrusions (5) between the rotating shaft (4) and the material guiding cavity (3) gradually decreases from top to bottom.

3. A cement material grinding system according to claim 1, characterized in that: An electric push rod (13) is installed inside the grinding chamber (12), and a movable baffle (14) is installed at the output end of the electric push rod (13). The end of the movable baffle (14) is movably fitted with the top of the guide plate (16). A sealed bearing (17) is provided on the rotating shaft (4), and the end of the sealed bearing (17) is fitted with the bottom of the notch (15).

4. A cement material grinding system according to claim 3, characterized in that: The guide plate (16) is hollow, a micro cylinder (26) is installed inside the guide plate (16), a folding baffle (25) is connected to the telescopic end of the micro cylinder (26), and the folding baffle (25) is arranged at the top end of the guide plate (16).

5. A cement material grinding system according to claim 4, characterized in that: The grinding mechanism comprises a rotating motor (7) and a grinding block (8) movably arranged inside a grinding chamber (12); a cylinder (6) is installed at the top end of the grinding chamber (12); the telescopic end of the cylinder (6) is connected to the rotating motor (7); the output end of the rotating motor (7) is connected to the grinding block (8); the grinding block (8) and the filter screen (9) are both arranged in an arc shape; one end of the filter screen (9) is installed on a guide plate (16); and the other end of the filter screen (9) is installed on the grinding chamber (12).

6. A cement material grinding system according to claim 1, characterized in that: A protective cover (18) is installed inside the grinding chamber (12), a driven gear (20) and a connecting rod (21) are arranged inside the protective cover (18), the connecting rod (21) penetrates the protective cover (18) and is arranged in the grinding chamber (12), the knocking mechanism is installed at the end of the connecting rod (21), and a driving gear (19) is installed on the rotating shaft (4), and the driving gear (19) is meshedly connected with the driven gear (20).

7. A cement material grinding system according to claim 6, characterized in that: The knocking mechanism comprises a rotating rod (22), a spring (23) and a knocking ball (24); the rotating rod (22) is fixedly connected to the connecting rod (21); the spring (23) is arranged between the rotating rod (22) and the knocking ball (24); and the knocking ball (24) is in active contact with the filter screen (9).

8. A cement material grinding system according to claim 1, characterized in that: A servo motor (10) is installed at the bottom of the grinding box (1), and the output end of the servo motor (10) is connected to the rotating shaft (4). A discharge pipe (11) is provided through the bottom of the grinding cavity (12).

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