Blanking buffer structure of cement grinding mill

By designing a buffer structure in the cement mill, including rotating parts and blocking parts, the problem of unmitigated material impact force is solved, and more uniform grinding and mill protection are achieved.

CN223464918UActive Publication Date: 2025-10-24MOYU YAOBAI CEMENT CO LTD
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Patent Information

Application Number
CN202422374685.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-10-24
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Traditional cement mills lack buffering measures, resulting in the speed and impact of materials not being slowed down during transportation, affecting grinding efficiency and product uniformity, and may also damage the mill.

Method used

A cement mill discharge buffer structure is designed, which includes a transmission cylinder, a discharge cylinder, a rotating part and a blocking part. The blocking part buffers the impact force of the material, and the rotating part and the motor control the material entry speed to avoid direct impact on the transmission cylinder.

Benefits of technology

It can effectively cushion the impact of materials, prolong the residence time of materials in the discharge barrel, improve grinding efficiency, prevent the blocking parts from being knocked open, ensure the uniform distribution of materials, and reduce the damage to the mill.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a cement grinding mill discharging buffer structure which comprises a conveying cylinder, one side of the conveying cylinder communicates with a discharging cylinder, a collecting piece is arranged at the end of the discharging cylinder, a rotating piece is arranged at the top end of the discharging cylinder, and a plurality of blocking pieces are arranged outside the rotating piece; a first protection piece is arranged outside the multiple block pieces, and a second protection piece is arranged at the top end of the first protection piece. According to the conveying device, the blocking piece and the discharging barrel are arranged, the blocking piece can be collided when materials enter the discharging barrel, the impact force is buffered through the blocking piece, the materials are prevented from directly colliding into the conveying barrel, and meanwhile the retention time of the materials in the discharging barrel is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement processing equipment field, specifically, relate to a cement mill unloading buffer structure. BACKGROUND

[0002] In the core process of cement manufacturing, cement mill undoubtedly plays a vital role, its operation is related to the quality and yield of cement products, however, the material has a certain speed and impact force in the conveying process, the traditional cement mill lacks buffering measures, the material often directly impacts the inside of the mill without slowing down, resulting in uneven distribution of material, thereby affecting the grinding efficiency of the mill and the uniformity of finished cement, and the mill will be damaged.

[0003] For example: the utility model patent (application number: 201821045477.1) discloses an improved cement mill, the specification discloses: including arranging in the cement ball mill's feeding belt unloading chute and cement ball mill feeding device, for buffering material impact force buffer device, the first buffer chamber and the second buffer chamber are arranged in the first buffer chamber and the second buffer chamber, and the mechanism for buffering material is arranged in the first buffer chamber and the second buffer chamber. The utility model discloses a buffer device, which makes the material entering the cement ball mill become gentle, and the impact force is reduced, the material in the cement ball mill is closer to the feeding end, so that the grinding body of the rough grinding bin grinds the material more fully, and the working efficiency of the cement ball mill is increased, and the above-mentioned patent can prove the defects existing in the prior art.

[0004] Therefore, we improve it and propose a cement mill unloading buffer structure. SUMMARY

[0005] The utility model discloses a purpose at: aiming at the problem that the cement mill lacks buffering measures at present.

[0006] In order to realize the above-mentioned invention purpose, improve the above-mentioned problem, the utility model provides cement mill unloading buffer structure, including transmission cylinder, the one side of transmission cylinder is connected with the lower ejection barrel, the end of lower ejection barrel is equipped with collection spare, the top of lower ejection barrel is equipped with rotating piece, the outside of rotating piece is equipped with a plurality of check pieces, the outside of a plurality of check pieces is equipped with same no.

[0007] As a preferred technical scheme of the present application, the no. The protective shell is fixed to the top of the lower ejection barrel, and the inside of the protective shell is communicated with the inside of the lower ejection barrel.

[0008] As a preferred technical scheme of the present application, the two sides of the top of the protective shell are embedded with connecting rings, and the rotating piece comprises a rotating shaft rotatably connected with the two connecting rings.

[0009] As the preferred technical scheme of the present application, the baffle includes a buffer plate fixed outside the rotating shaft, and the buffer plate is used to cooperate with the rotating shaft to buffer the material entering from the end of the feeding cylinder.

[0010] As the preferred technical scheme of the present application, the second protective shell is provided with a first protective shell at the top end of the second protective shell, and the bottom end of the first protective shell is hinged to the side of the second protective shell away from the conveying cylinder.

[0011] As the preferred technical scheme of the present application, the second protective shell is provided with a first protective shell at the top end of the second protective shell, and the bottom end of the first protective shell is hinged to the side of the second protective shell away from the conveying cylinder.

[0012] As the preferred technical scheme of the present application, the second connecting plate and the second mounting plate are of an integrated structure, and the first connecting plate and the first mounting plate are of an integrated structure.

[0013] As the preferred technical scheme of the present application, the collecting piece includes a collecting frame fixed to the end of the feeding cylinder away from the conveying cylinder.

[0014] As the preferred technical scheme of the present application, the feeding cylinder is provided with connecting chambers on both sides, and the interiors of the connecting chambers are communicated with the interior of the feeding cylinder.

[0015] As the preferred technical scheme of the present application, the second protective shell is provided with a first protective shell at the top end of the second protective shell, and the bottom end of the first protective shell is hinged to the side of the second protective shell away from the conveying cylinder.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the scheme of the present application:

[0018] 1. By arranging the baffle and the feeding cylinder, when the material enters the interior of the feeding cylinder, it will impact the baffle, the impact force is buffered by the baffle, the material is prevented from directly impacting the interior of the conveying cylinder, the residence time of the material in the feeding cylinder is prolonged, and the problem that the cement mill lacks buffering measures in the prior art is solved.

[0019] 2. By arranging the rotating piece and the baffle, after the material is blocked by the baffle, the next baffle will continue to block in the interior of the feeding cylinder through the rotating piece, the material can be continuously buffered, the situation that the buffering effect is poor when the baffle is directly used for buffering is avoided, and the problem that when a large number of materials enter the feeding cylinder, the baffle is knocked open by the materials, the baffle continuously stays in an open state, and the buffering effect of the baffle is lost in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structural schematic diagram of the cement mill discharging buffer structure is provided in the application;

[0021] Figure 2 The exploded structural schematic diagram of the first protective member and the rotating member in the cement mill discharging buffer structure is provided in the application;

[0022] Figure 3 The exploded structural schematic diagram of the first protective shell and the second protective shell in the cement mill discharging buffer structure is provided in the application;

[0023] Figure 4 The structural schematic diagram of the first connecting plate and the second connecting plate in the cement mill discharging buffer structure is provided in the application.

[0024] Indications in the figure:

[0025] 1, transmission cylinder; 201, discharging cylinder; 202, collecting frame; 301, first protective shell; 302, second protective shell; 303, connecting ring; 401, rotating shaft; 402, buffer plate; 403, motor; 501, first connecting plate; 502, first mounting plate; 601, second connecting plate; 602, second mounting plate; 701, bolt; 801, connecting bin. DETAILED DESCRIPTION

[0026] In order to make the personnel in the technical field better understand the technical scheme of the application, the technical scheme in the embodiments of the application will be clearly and completely described below in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all the other embodiments obtained by the person skilled in the art without making creative efforts should belong to the protection scope of the application.

[0027] In order to make the personnel in the technical field better understand the technical scheme of the application, the technical scheme in the embodiments of the application will be clearly and completely described below in combination with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all the other embodiments obtained by the person skilled in the art without making creative efforts should belong to the protection scope of the application.

[0028] It should be noted that the embodiments in the application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0029] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] Embodiment 1

[0031] Please refer to Figure 1 and Figure 2 A cement mill discharging buffer structure, which comprises a conveying cylinder 1, which is specifically the shell of a screw conveying device in a mill, a screw conveying device is arranged inside the conveying cylinder 1 for conveying materials, a discharging cylinder 201 is arranged in communication with one side of the conveying cylinder 1, a collecting piece is arranged at the end of the discharging cylinder 201, a rotating piece is arranged at the top end of the discharging cylinder 201, a plurality of blocking pieces are arranged outside the rotating piece, the blocking pieces are used to buffer the impact force of the materials, a same first protective piece is arranged outside the plurality of blocking pieces, a second protective piece is arranged at the top end of the first protective piece, and the rotating piece and the blocking pieces can be more conveniently viewed or cleaned by opening the second protective piece.

[0032] Further, as shown in Figure 1 and Figure 2 The first protective piece comprises a second protective shell 302 fixed to the top end of the discharging cylinder 201, the second protective shell 302 is used to be connected with the rotating shaft 401 through the connecting ring 303, and the inside of the second protective shell 302 is in communication with the inside of the discharging cylinder 201.

[0033] Further, as shown in Figure 2 and Figure 3 The two sides of the top end of the second protective shell 302 are embedded with the connecting ring 303, the rotating piece comprises the rotating shaft 401 rotationally connected with the two connecting rings 303, the rotating shaft 401 is used to be connected with the blocking piece, and the blocking piece is in contact with the materials to drive the rotating shaft 401 to rotate.

[0034] Further, as shown in Figure 2 The blocking piece comprises a buffer plate 402 fixed to the outside of the rotating shaft 401, a plurality of buffer plates 402 are arranged outside the rotating shaft 401, the buffer plates 402 are used to buffer the materials entering from the end of the discharging cylinder 201 in cooperation with the rotating shaft 401, when the materials enter the inside of the discharging cylinder 201, the buffer plates 402 located in the inside of the discharging cylinder 201 are impacted, so that the rotating shaft 401 is passively rotated, thereby playing a buffering role.

[0035] The buffer plate 402 is arc-shaped, the arc-shaped structure can better make the materials enter the inside of the arc-shaped buffer plate 402, and then cooperate with the rotation of the rotating shaft 401 to separate the materials from the buffer plate 402 and enter the inside of the conveying cylinder 1, thereby having a better buffering effect, the end of the buffer plate 402 away from the rotating shaft 401 is a sharp end, and the sharp end can better insert into the materials located at the bottom end in the inside of the discharging cylinder 201, thereby avoiding being stuck.

[0036] Further, as shown in Figure 2 and Figure 3As shown, the second protective member includes a first protective shell 301 at the top end of the second protective shell 302, which is used to protect the upper part of the buffer plate 402 and the rotating shaft 401, avoiding foreign matter from entering, and the bottom end of the first protective shell 301 is away from the side of the transmission cylinder 1 and is hinged to the second protective shell 302.

[0037] Further, as shown in Figure 3 and Figure 4 , the second protective shell 302 is fixed with a first mounting plate 502 on the side close to the transmission cylinder 1, which is used to expand the connection area of the second protective shell 302, so that it is connected more firmly, and a first connecting plate 501 is fixed on the upper side of the first mounting plate 502, and a second mounting plate 602 is fixed on the side of the first protective shell 301 close to the transmission cylinder 1, which is used to expand the connection area of the first protective shell 301, and a second connecting plate 601 is fixed on the lower side of the second mounting plate 602, which is detachably connected with the first connecting plate 501, and a plurality of bolts 701 are provided at the top end of the second connecting plate 601, and the bottom end of the bolt 701 is threadedly connected with the first connecting plate 501 through the second connecting plate 601.

[0038] Further, as shown in Figure 3 and Figure 4 , the second connecting plate 601 and the second mounting plate 602 are of an integrated structure, and the first connecting plate 501 and the first mounting plate 502 are of an integrated structure, which makes the second connecting plate 601, the second mounting plate 602, the first connecting plate 501 and the first mounting plate 502 have better stability.

[0039] Further, as shown in Figure 1 , the collecting member includes a collecting frame 202 fixed to the end of the discharging cylinder 201 away from the transmission cylinder 1, which expands the entrance of the material into the discharging cylinder 201 and also plays a guiding role.

[0040] Embodiment 2

[0041] The cement discharging and buffering structure provided in embodiment 1 is further optimized, and specifically, as shown in Figure 1 , a connecting bin 801 is fixed on both sides of the discharging cylinder 201, which is located below the second protective shell 302, the inside of the connecting bin 801 is communicated with the inside of the discharging cylinder 201, and the connecting bin 801 is used to prevent the material from being taken by the buffer plate 402 to the buffer plate 402 and the inner wall of the discharging cylinder 201, so that it is adhered, thereby causing the buffer plate 402 to be stuck and lose the activity, and the material passes through the inclined surface of the connecting bin 801 when passing through, and then enters the inside of the transmission cylinder 1 after buffering and deceleration of the buffer plate 402.

[0042] Embodiment 3

[0043] The cement mill discharging buffer structure provided in Embodiment 1 and Embodiment 2 is further optimized as shown in Figs. Figure 1 and Figure 2 The motor 403 is arranged on one side of the second protective shell 302 and used to drive the rotating shaft 401 to rotate. The output end of the motor 403 is fixedly connected with the rotating shaft 401 through the connecting ring 303. The motor 403 is used to drive the buffer plate 402 to rotate with the rotating shaft 401, so as to actively control the rotation of the buffer plate 402. Then, the buffer plate 402 blocks the material, controls the speed of the material entering the other end of the discharging cylinder 201, and the rotating shaft 401 is provided with a speed reducer between the output end of the motor 403. The rotating speed of the motor 403 is reduced through the speed reducer.

[0044] The use process of the cement mill discharging buffer structure is as follows:

[0045] When the material enters the inside of the discharging cylinder 201, the buffer plate 402 blocks the material, and the impact force of the material passively drives the buffer plate 402 to rotate through the rotating shaft 401. At this time, the next buffer plate 402 continues to block the material buffer. When it is needed to actively control the rotation of the rotating shaft 401, so as to control the speed of the material entering the inside of the transmission cylinder 1, the motor 403 is started to drive the rotating shaft 401 and the buffer plate 402 to rotate. The rotating speed of the motor 403 is controlled to control the speed of the material falling into the inside of the transmission cylinder 1.

[0046] When the material in the discharging cylinder 201 is blocked, the motor 403 is started to drive the rotating shaft 401 and the buffer plate 402 to rotate, so as to push the material in the discharging cylinder 201 to move through the buffer plate 402. The blocking problem can be quickly solved.

[0047] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electric connection or each other can communicate, can be direct connection, also can indirectly connect through intermediate medium, can be the communication or the interaction relationship of two elements in two elements, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model.

[0048] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A cement mill discharge buffer structure, characterized in that, Including transmission cylinder (1), one side of transmission cylinder (1) is communicated with blanking cylinder (201), the end of blanking cylinder (201) is equipped with collecting part, the top end of blanking cylinder (201) is equipped with rotating part, the outside of rotating part is equipped with several grid stops, the outside of several grid stops is equipped with same one protective part, the top end of one protective part is equipped with two protective parts.

2. The cement mill underflow buffer structure according to claim 1, characterized in that, The one protective part includes a second protective shell (302) fixed to the top end of the blanking cylinder (201), and the inside of the second protective shell (302) is in communication with the inside of the blanking cylinder (201).

3. The cement mill underflow buffer structure according to claim 2, characterized in that, The top end of the second protective shell (302) is embedded with a connecting ring (303) on both sides, and the rotating part includes a rotating shaft (401) rotatably connected with the two connecting rings (303).

4. The cement mill underflow buffer structure according to claim 3, characterized in that, The grid stop includes a buffer plate (402) fixed to the outside of the rotating shaft (401), and the buffer plate (402) is used to buffer the material entering from the end of the blanking cylinder (201) in cooperation with the rotating shaft (401).

5. The cement mill underflow buffer structure according to claim 4, characterized in that, The second protective part includes a first protective shell (301) located at the top end of the second protective shell (302), and the bottom end of the first protective shell (301) is away from one side of the transmission cylinder (1) and is hingedly connected with the second protective shell (302).

6. The cement mill underflow buffer structure according to claim 5, characterized in that, The second protective shell (302) is fixed with a first mounting plate (502) on the side close to the transmission cylinder (1), a first connecting plate (501) is fixed above one side of the first mounting plate (502), the first protective shell (301) is fixed with a second mounting plate (602) on the side close to the transmission cylinder (1), a second connecting plate (601) is fixed below one side of the second mounting plate (602), and the second connecting plate (601) is detachably connected with the first connecting plate (501).

7. The cement mill underflow buffer structure according to claim 6, characterized in that, The second connecting plate (601) and the second mounting plate (602) are of an integrated structure, and the first connecting plate (501) and the first mounting plate (502) are of an integrated structure.

8. The cement mill underflow buffer structure according to claim 7, characterized in that, The collecting part includes a collecting frame (202) fixed to the end of the blanking cylinder (201) away from the transmission cylinder (1).

9. The cement mill underflow buffer structure according to claim 8, characterized in that, The two sides of the blanking cylinder (201) are fixed with connecting warehouses (801), and the inside of the connecting warehouses (801) is in communication with the inside of the blanking cylinder (201).

10. The cement mill underflow buffer structure according to claim 9, wherein, The first connecting plate (501) and the first mounting plate (502) are of an integrated structure, and the second connecting plate (601) and the second mounting plate (602) are of an integrated structure. The second protective shell (302) is fixed with a motor (403) on one side, and the output end of the motor (403) is fixedly connected with the rotating shaft (401) through the connecting ring (303).

Citation Information

Patent Citations

  • Modified cement mill

    CN208727636U