Raw material grinding device capable of achieving rotary air-locking discharging

By using baffle, movable plate and conveying plate structure in the raw material grinding device, the problems of air entry and air loss during the discharge process are solved, effectively preventing dust from diffusion, and improving the safety and cleaning of the working environment Convenience.

CN222358580UActive Publication Date: 2025-01-17ANHUI ZONGYANG CONCH CEMENT CO LTD
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Patent Information

Application Number
CN202420333176.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-22
Publication Date
2025-01-17
Estimated Expiration
2034-02-22

AI Technical Summary

Technical Problem

During the discharge process of raw material grinding devices, external air entering and internal air loss are prone to problems, resulting in dust spreading and increasing the difficulty of cleaning.

Method used

A raw material grinding device for rotary locking air discharge is designed, using baffle, movable plate and conveying plate structure, cement raw material is inserted into the shell through feed pipe, and the combination of the damping shaft and hydraulic cylinder is used to ensure that The air does not enter and prevents the air from being lost. The conveyor plate cutting block disperses the bonded raw material, and the grinding rollers grind it.

Benefits of technology

It effectively avoids the entry of external air and the loss of internal air during the discharge process, prevents dust from spreading outward, and improves the safety of the working environment and the convenience of cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of grinding devices, in particular to a raw material grinding device capable of achieving rotary air-locking discharging, and adopts the technical scheme that the raw material grinding device comprises baffles, bearings and a conveying plate, damping rotating shafts are respectively mounted on two sides in a shell, and the two damping rotating shafts are respectively provided with the baffles; the two sides of the interior of the shell below the two baffles are rotationally provided with movable plates through two hinges correspondingly, the two sides of the interior of the shell below the two movable plates are provided with fixing frames correspondingly, the two fixing frames are rotationally provided with hydraulic cylinders correspondingly, and the bottoms of the two movable plates are slidably provided with connecting frames correspondingly; fixing rods are fixedly installed on inner rings of the two bearings, and four conveying plates are installed on the outer sides of the fixing rods in an annular array mode. The powder mill has the advantages that external air can be prevented from entering the interior of the powder mill body in the discharging working process, meanwhile, the air in the powder mill body can be prevented from being lost to the outside, and dust is prevented from being diffused outwards.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a raw material grinding device with rotary air-locking and material-discharging function. Background Art

[0002] Cement raw material grinding device is a device used to grind cement raw materials into fine cement clinker. It plays a key role in the cement production process. After the raw materials are ground into particles of a certain size, the materials can be better mixed, calcined and matured.

[0003] During the unloading process of the raw meal grinding device, external air can easily enter the raw meal grinding device from the feeding mechanism. At the same time, the gas inside the raw meal grinding device can easily diffuse outward from the opening of the feeding mechanism, resulting in a large dust content in the air near the feeding mechanism, which increases the difficulty of cleaning for the staff. Utility Model Content

[0004] The purpose of the utility model is to provide a raw material grinding device with a rotary air-locking unloading function, which has the advantages of preventing external air from entering the interior of the grinding machine body during the unloading process, and also preventing the air inside the grinding machine body from being lost to the outside, thereby preventing dust from diffusing outward, thereby solving the problem that the raw material grinding device is prone to diffusing material dust outward from the opening of the feeding mechanism.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material grinding device with rotary air-locking and unloading, comprising a grinding mill body, a baffle and a conveying plate, a shell being installed on the top of the grinding mill body, damping shafts being installed on both sides of the shell, baffles being installed on two damping shafts, movable plates being rotatably installed on both sides of the shell below the two baffles through two hinges, fixed frames being installed on both sides of the shell below the two movable plates, hydraulic cylinders being rotatably installed on the two fixed frames, connecting frames being slidably installed on the bottoms of the two movable plates, telescopic ends of the two hydraulic cylinders being rotatably connected to the two connecting frames, bearings being embedded and installed on both sides of the shell below the two fixed frames, fixed rods being fixedly installed on the inner rings of the two bearings, four conveying plates being installed in a ring array on the outside of the fixed rods, and a motor being installed on the side of the shell.

[0006] When using a raw material grinding device with rotary air-locking discharge in the technical solution, the cement raw material enters the shell from the feed pipe, and the cement raw material falls to the top of the two baffles. The two baffles rotate downward and open under the influence of the weight of the cement raw material, and the cement raw material slides from the two baffles to the two movable plates. The two baffles return to their original positions under the influence of the rotational force of the two damping shafts, and the two hydraulic cylinders pull the two movable plates to rotate downward, and the cement raw material continues to fall. The motor drives the fixed rod to rotate through the transmission structure, and the fixed rod drives the conveying plate to rotate. The conveying plate conveys the cement raw material to the inside of the connecting pipe at the bottom of the shell, and the cutting block on the conveying plate cuts and breaks up the cement raw material that sticks together. The cement raw material inside the shell enters the inside of the grinding machine body from the connecting pipe, and the driving device drives the two grinding rollers to rotate through the transmission structure. The two grinding rollers grind the cement raw material into powder, and the cement raw material that has been ground inside the grinding machine body is discharged from the discharge pipe.

[0007] Preferably, a feed pipe is embedded in the top of the shell, and a connecting pipe is embedded in the bottom of the shell, and the bottom of the connecting pipe extends from the top of the mill body into the inside thereof. The raw cement enters the shell from the feed pipe, and the raw cement in the shell enters the mill body from the connecting pipe.

[0008] Preferably, two grinding rollers are rotatably mounted inside the grinding mill body, a driving device is mounted at the front end of the grinding mill body, and a transmission structure of the driving device is fixedly connected to the two grinding rollers. The driving device drives the two grinding rollers to rotate through the transmission structure, and the two grinding rollers grind the cement raw material into powder.

[0009] Preferably, the motor transmission structure is fixedly connected to one end of the fixed rod. The motor drives the fixed rod to rotate through the transmission structure.

[0010] Preferably, cutting blocks are installed at equal distances in a straight line at the ends of the four conveying plates away from the fixing rods, and the cutting blocks cut and break up the cement raw materials that stick together.

[0011] Preferably, support plates are welded on both sides of the bottom of the grinding mill body, and a discharge pipe is embedded in the middle of the bottom of the grinding mill body. The support plates provide support force for the grinding mill body, and the cement raw material inside the grinding mill body is discharged from the discharge pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges baffles, movable plates and conveying plates, and the cement raw material enters the shell from the feeding pipe and falls on the top of the two baffles. The two baffles rotate downward and open under the influence of the weight of the cement raw material, and the cement raw material slides from the two baffles to the two movable plates. The two baffles return to their original positions under the influence of the rotational force of the two damping shafts, and the two hydraulic cylinders pull the two movable plates to rotate downward, and the cement raw material continues to fall. The motor drives the fixed rod to rotate through the transmission structure, and the fixed rod drives the conveying plate to rotate, and the conveying plate conveys the cement raw material to the inside of the connecting pipe at the bottom of the shell, and the cutting block on the conveying plate cuts and scatters the cement raw materials stuck together, and the cement raw material inside the shell enters the inside of the grinding mill body from the connecting pipe, so that the external air can be prevented from entering the inside of the grinding mill body during the feeding process, and the air inside the grinding mill body can also be prevented from being lost to the outside, thereby preventing dust from spreading outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0016] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the shell of the utility model.

[0018] In the figure: 1. grinding mill body; 2. shell; 3. feed pipe; 4. grinding roller; 5. support plate; 6. motor; 7. drive device; 8. bearing; 9. connecting pipe; 10. discharge pipe; 11. fixing rod; 12. baffle; 13. fixing frame; 14. hinge; 15. damping shaft; 16. movable plate; 17. hydraulic cylinder; 18. connecting frame; 19. conveying plate; 20. cutting block. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0021] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0022] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Embodiment 1

[0024] like Figure 1-Figure 4 As shown, the utility model proposes a raw material grinding device with rotary air-locking and unloading, comprising a grinding mill body 1, a baffle plate 12 and a conveying plate 19. A shell 2 is installed on the top of the grinding mill body 1, a feed pipe 3 is embedded and installed on the top of the shell 2, a connecting pipe 9 is embedded and installed on the bottom of the shell 2, and the bottom of the connecting pipe 9 extends from the top of the grinding mill body 1 into the inside thereof, two grinding rollers 4 are rotatably installed inside the grinding mill body 1, a driving device 7 is installed at the front end of the grinding mill body 1, and the transmission structure of the driving device 7 is fixedly connected to the two grinding rollers 4, damping shafts 15 are respectively installed on both sides of the shell 2, and baffle plates 12 are respectively installed on the two damping shafts 15, and movable plates 16 are rotatably installed on both sides of the shell 2 below the two baffle plates 12 through two hinges 14, and the two Fixed frames 13 are installed on both sides of the shell 2 below the movable plate 16, and hydraulic cylinders 17 are rotated on the two fixed frames 13 respectively. Connecting frames 18 are slidably installed on the bottom of the two movable plates 16, and the telescopic ends of the two hydraulic cylinders 17 are rotatably connected to the two connecting frames 18 respectively. Bearings 8 are embedded and installed on both sides of the shell 2 below the two fixed frames 13, and fixed rods 11 are fixedly installed on the inner rings of the two bearings 8. Four conveying plates 19 are installed in a circular array on the outside of the fixed rods 11, and cutting blocks 20 are installed in a straight line and equidistantly at one end of the four conveying plates 19 away from the fixed rods 11. A motor 6 is installed on the side of the shell 2, and the transmission structure of the motor 6 is fixedly connected to one end of the fixed rod 11. A discharge pipe 10 is embedded and installed in the middle of the bottom of the grinding machine body 1.

[0025] In this embodiment, the raw cement enters the shell 2 from the feed pipe 3 through the feed pipe 3, and the raw cement falls on the top of the two baffles 12. The two baffles 12 rotate downward and open under the influence of the weight of the raw cement, and the raw cement slides from the two baffles 12 to the two movable plates 16. The two baffles 12 return to their original positions under the influence of the rotational force of the two damping shafts 15. The two hydraulic cylinders 17 pull the two movable plates 16 to rotate downward, and the raw cement continues to fall. The motor 6 drives the fixed rod 11 to rotate through the transmission structure, and the fixed rod 11 drives the conveying plate 19 to rotate. The conveying plate 19 conveys the raw cement to the inside of the connecting pipe 9 at the bottom of the shell 2. The cutting block 20 on the conveying plate 19 cuts and breaks up the raw cement that sticks together. The raw cement in the shell 2 enters the inside of the grinding mill body 1 from the connecting pipe 9, and the driving device 7 drives the two grinding rollers 4 to rotate through the transmission structure. The two grinding rollers 4 grind the raw cement into powder, and the raw cement that has been ground in the grinding mill body 1 is discharged from the discharge pipe 10.

[0026] Embodiment 2

[0027] like Figure 1-Figure 4 As shown, the utility model proposes a raw material grinding device with rotary air-locking and material-discharging. Compared with the first embodiment, this embodiment further includes: a support plate 5, and support plates 5 are respectively welded on both sides of the bottom of the grinding machine body 1.

[0028] In this embodiment, the support plate 5 provides support force to the grinding mill body 1 to maintain the stability of the grinding mill body 1 .

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A raw material grinding device with rotary air-locking discharge, comprising a grinding mill body (1), a baffle (12) and a conveying plate (19), characterized in that: A shell (2) is installed on the top of the grinding mill body (1), damping shafts (15) are installed on both sides of the shell (2), baffles (12) are installed on the two damping shafts (15), movable plates (16) are rotatably installed on both sides of the shell (2) below the two baffles (12) through two hinges (14), fixed frames (13) are installed on both sides of the shell (2) below the two movable plates (16), and the two fixed frames (13) are rotatably installed on both sides of the shell (2). A hydraulic cylinder (17), a connecting frame (18) is slidably installed at the bottom of the two movable plates (16), and the telescopic ends of the two hydraulic cylinders (17) are rotatably connected to the two connecting frames (18). Bearings (8) are embedded and installed on both sides of the shell (2) below the two fixed frames (13), and the inner rings of the two bearings (8) are fixedly installed with fixed rods (11). Four conveying plates (19) are installed in a ring array on the outer side of the fixed rod (11), and a motor (6) is installed on the side of the shell (2).

2. A raw material grinding device with rotary air-locking discharge according to claim 1, characterized in that: A feed pipe (3) is embedded in the top of the shell (2), and a connecting pipe (9) is embedded in the bottom of the shell (2). The bottom of the connecting pipe (9) extends from the top of the grinding mill body (1) into the interior thereof.

3. The raw material grinding device with rotary air-locking discharge according to claim 1 is characterized in that: Two grinding rollers (4) are rotatably mounted inside the grinding mill body (1), a driving device (7) is mounted at the front end of the grinding mill body (1), and a transmission structure of the driving device (7) is fixedly connected to the two grinding rollers (4).

4. The raw material grinding device with rotary air-locking discharge according to claim 1 is characterized in that: The transmission structure of the motor (6) is fixedly connected to one end of the fixing rod (11).

5. The raw material grinding device with rotary air-locking discharge according to claim 1 is characterized in that: Cutting blocks (20) are respectively installed in a straight line and equidistantly at one end of the four conveying plates (19) away from the fixing rod (11).

6. The raw material grinding device with rotary air-locking discharge according to claim 1 is characterized in that: Support plates (5) are respectively welded to both sides of the bottom of the grinding mill body (1), and a discharge pipe (10) is embedded and installed in the middle of the bottom of the grinding mill body (1).