Material stabilizing bin

By designing a stable silo in mineral grinding equipment, and using buffer components and screening components to reduce the impact and vibration of materials on the mill, the problem of short service life of the mill is solved and the effect of extending the service life of the mill is achieved.

CN222535173UActive Publication Date: 2025-02-28SICHUAN ZONGSHENG SPECIAL CEMENT CO LTD
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Patent Information

Application Number
CN202421164691.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-25
Publication Date
2025-02-28
Estimated Expiration
2034-05-25

AI Technical Summary

Technical Problem

During the grinding process of existing mineral grinding equipment, the material directly enters the mill, causing large impacts and vibrations in the mill, damages the internal structure of the mill and affects the service life.

Method used

Design a stable material silo, including a silo body, a buffer assembly and a screening assembly. The buffer assembly realizes multi-layer buffering of materials through multiple sets of buffer plates and vibration-absorbing springs. The screening assembly screens the larger volume of materials through the screen plate to reduce the impact and vibration on the mill.

Benefits of technology

Through the design of the stable material silo, the impact and vibration of materials entering the mill is reduced, the loss of the mill is reduced, and the service life of the mill is extended.

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Abstract

The utility model relates to the technical field of material treatment equipment, in particular to a material stabilizing bin which comprises a bin body, a buffering assembly and a screening assembly, the buffering assembly and the screening assembly are both installed in an inner cavity of the bin body, a feeding port and a discharging port are formed in the bin body, and the bin body communicates with an inner cavity of a material conveying pipeline through the feeding port and is connected with the feeding end of a mill through the discharging port; the buffering assembly comprises a plurality of sets of buffering plates and damping springs installed on the buffering plates, the multiple sets of buffering plates are evenly arranged in the circumferential direction of the bin body, every two adjacent sets of buffering plates are arranged in a staggered mode, the damping springs are located below the buffering plates, and the screening assembly is used for screening and discharging materials large in size; according to the material stabilizing bin, multi-layer buffering of materials is conveniently achieved through the sequential action of a plurality of buffering plates and compression springs, the buffered large-size materials are screened and discharged through the screening assembly, impact and vibration generated to the mill when the materials enter the mill are reduced, the loss of the mill is reduced, and the service life of the mill is prolonged.
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Description

Technical Field

[0001] The present application relates to the technical field of material handling equipment, and in particular to a stable material silo. Background Art

[0002] With the continuous development of industrial technology, material grinding technology is constantly improving and optimizing while constantly adapting to the needs of production processes. The continuous advancement of production processes has put forward higher requirements for material grinding.

[0003] The prior art discloses a mineral grinding device, including a main mill, an auxiliary mill, a primary internal circulation pipe, a secondary internal circulation pipe, an external circulation pipe, a dust collector and a ball mill. The main mill includes a centrifugal fan and a feed pipe, the auxiliary mill includes a centrifugal fan and a feed pipe, the outlet of the feed pipe is connected to the air inlet of the centrifugal fan, an internal circulation pipe interface is provided on the feed pipe, the outlet of the main mill is connected to the internal circulation pipe interface of the auxiliary mill through the primary internal circulation pipe, the outlet of the auxiliary mill is connected to the internal circulation pipe interface of the main mill through the secondary internal circulation pipe, and the outlet of the external circulation pipe is connected to the internal circulation pipe interface of the main mill through the secondary internal circulation pipe. It is connected to the inlet of the main mill, and a feeding port is provided on the external circulation pipe, on which a ball mill is installed, and the air inlet of the dust collector is connected to the inlet of the auxiliary mill; when grinding materials, the materials are first added to the ball mill for preliminary crushing, and then transported to the main mill for crushing through the external circulation pipe, and then transported to the auxiliary mill through the first-level internal circulation pipe. After being crushed by the auxiliary mill, they are transported to the main mill through the second-level internal circulation pipe for further crushing, and the material is crushed to the required particle size through repeated cycles. Finally, the qualified crushed materials are classified through the feed pipe of the auxiliary mill, and are collected after entering the dust collector with the airflow.

[0004] Regarding the above-mentioned related technologies, when the materials after preliminary crushing in the ball mill are directly passed into the grinding mill through the external circulation pipe, the grinding mill will be subjected to great impact and vibration, causing damage to the internal structure of the grinding mill and affecting the service life of the grinding mill. Utility Model Content

[0005] In order to extend the service life of the mill, the present application provides a stabilizing silo.

[0006] The present application provides a stable material bin adopting the following technical solution:

[0007] A stabilizing material bin comprises a bin body, a buffer assembly and a screening assembly, wherein the buffer assembly and the screening assembly are both installed in the inner cavity of the bin body;

[0008] The silo is provided with a feed inlet and a discharge inlet, the silo is connected to the inner cavity of the feed pipe through the feed inlet, and the silo is connected to the feed end of the mill through the discharge inlet;

[0009] The buffer assembly includes a plurality of buffer plates and a damping spring mounted on each buffer plate;

[0010] A plurality of groups of buffer plates are evenly arranged along the circumferential direction of the silo body, and each group of buffer plates is distributed along the axial direction of the silo body, and two adjacent groups of buffer plates are staggered, and the buffer plates are inclined, and a higher end of the buffer plate is hinged to the inner wall of the silo body, and a blanking gap is formed between the other end and the inner wall of the silo body;

[0011] The damping spring is located below the buffer plate, and the damping

[0012] One end of the vibration spring is fixedly connected to the buffer plate, and the other end is fixedly connected to the inner wall of the bin;

[0013] The screening component is used to screen materials with a larger volume.

[0014] By adopting the above technical scheme, the material after preliminary crushing by the ball mill enters the stabilizing bin through the feeding pipeline and then falls onto the buffer plate. The buffer plate rotates downward under the action of the material pressure and compresses the vibration spring to reduce the direct impact of the material on the bin body. The material after being buffered by the buffer plate and the vibration-damping spring falls along the inclined direction of the buffer plate to the lower group of buffer plates, and the buffering of the material is achieved in sequence by multiple groups of buffer plates. After the buffering is completed, the material falls to the screening component, and the larger volume of the material is screened and discharged through the screening component and re-milled; the set stabilizing bin facilitates the multi-layer buffering of the material through the sequential action of multiple groups of buffer plates and compression springs, and the larger volume of the material after buffering is screened and discharged through the screening component, which is beneficial to reduce the impact and vibration of the material on the mill when entering the mill, reduce the loss of the mill, and thus extend the service life of the mill.

[0015] Preferably, a wear-resistant lining is provided on the buffer plate.

[0016] By adopting the above technical solution, the wear-resistant lining plate is helpful to improve the wear resistance of the buffer plate, extend the service life of the buffer plate, and thus reduce the maintenance cost of the buffer plate.

[0017] Preferably, the screening assembly includes a screen plate, a plurality of mounting blocks are provided on the inner wall of the bin body, the plurality of mounting blocks are evenly distributed along the circumference of the bin body, and the screen plate is mounted on the mounting blocks.

[0018] By adopting the above technical solution, the screening assembly is convenient for quickly screening and discharging larger volume materials through the screen plate, preventing larger volume materials from directly entering the mill, which is beneficial to further reduce the impact and vibration of the material on the mill, protect the internal structure of the mill from damage, and extend the service life of the mill.

[0019] Preferably, the screening assembly further comprises a driving member and an elastic member mounted on each of the mounting blocks, and the screening plate is connected to the mounting block via the elastic member;

[0020] The driving member includes a pneumatic vibrator and a compressed air pipeline;

[0021] The vibrator is mounted on the bottom wall of the sieve plate;

[0022] The compressed air pipeline is arranged below the pneumatic vibrator, and one end of the compressed air pipeline is connected to the exhaust port of the pneumatic vibrator, and the other end of the compressed air pipeline extends out of the warehouse body.

[0023] By adopting the above technical solution, the provided driving member is convenient for compressing air through the compressed air pipeline, and delivering the compressed air to the inner cavity of the pneumatic vibrator, providing a power source for the pneumatic vibrator to drive the pneumatic vibrator to vibrate, thereby driving the screen plate to vibrate and vibrate smaller volume materials into the lower cavity of the silo, which is beneficial to improving the separation efficiency of larger volume materials and smaller volume materials; in addition, the provided pneumatic vibrator can also ensure that smaller volume materials fall smoothly into the lower cavity of the silo, which is beneficial to prevent the screen plate from being blocked.

[0024] Preferably, the elastic member comprises a compression spring, one end of which is fixedly connected to the mounting block, and the other end of which is fixedly connected to the bottom wall of the sieve plate.

[0025] By adopting the above technical solution, the elastic member provided is convenient for providing elastic support for the screen plate through the compression spring. The buffering effect of the compression spring can reduce the direct impact and wear on the screen plate, which is beneficial to prolonging the service life of the screen plate.

[0026] Preferably, a discharge port is provided on the silo body, and the sieve plate is inclined from low to high from a side close to the discharge port to a side away from the discharge port, and a discharge baffle for blocking the discharge port is provided on the silo body.

[0027] By adopting the above technical solution, the screen plate is tilted from low to high, so that the material can slide down naturally along the screen plate in the bin body. When discharging is required, the material can be discharged quickly and smoothly from the discharge port by simply opening the discharge baffle, which is beneficial to improving the discharge efficiency.

[0028] Preferably, a slide groove is provided on the outer wall of the warehouse body, the slide groove is distributed close to the discharge port, and the slide groove is arranged along the axial direction of the warehouse body, and a slider that can slide along the slide groove is provided on the discharge baffle.

[0029] By adopting the above technical solution, the set discharge baffle makes it easy to slide the discharge baffle and quickly open or close the discharge port when a large volume of material is screened out on the screen plate, so as to realize the discharge of the large volume of material, which is beneficial to reduce the difficulty of discharging the large volume of material and improve the discharge efficiency.

[0030] Preferably, a weighing sensor is provided on the warehouse body.

[0031] By adopting the above technical solution, a weighing sensor is set to facilitate real-time monitoring of the weight of the material falling into the lower cavity of the bin body, ensuring that the volume of material falling into the mill will not cause a large impact or vibration to the mill, thereby reducing the loss of the material to the mill.

[0032] Preferably, a visual window is provided on the warehouse body.

[0033] By adopting the above technical solution, the set viewing window makes it easy for the operator to timely observe and understand the material distribution, flow conditions and screen plate blockage conditions in the bin, and to make rapid adjustments based on real-time conditions.

[0034] In summary, the present application includes at least one of the following beneficial technical effects:

[0035] 1. The set stabilizing bin facilitates the multi-layer buffering of materials through the sequential action of multiple buffer plates and compression springs, and the larger volume of materials after buffering are screened and discharged through the screening component, which is beneficial to reduce the impact and vibration of the mill when the material enters the mill, reduce the loss of the mill, and thus extend the service life of the mill.

[0036] 2. The screening assembly is convenient for quickly screening and discharging larger volume materials through the screen plate, preventing larger volume materials from directly entering the mill, which is beneficial to further reduce the impact and vibration of the materials on the mill, protect the internal structure of the mill from damage, and extend the service life of the mill.

[0037] 3. The driving member is provided to compress the air through the compressed air pipeline and deliver the compressed air to the inner cavity of the pneumatic vibrator, thereby providing a power source for the pneumatic vibrator to drive the pneumatic vibrator to vibrate, thereby driving the screen plate to vibrate and vibrate the smaller volume of materials into the lower cavity of the silo, which is beneficial to improving the separation efficiency of larger volume materials and smaller volume materials; in addition, the pneumatic vibrator can also ensure that the smaller volume of materials falls smoothly into the lower cavity of the silo, which is beneficial to prevent the screen plate from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the overall structure of the stabilizing bin in the embodiment of the present application.

[0039] Figure 2 It is a cross-sectional view of the stabilizing bin according to an embodiment of the present application.

[0040] Figure 3 It is a schematic diagram of the partial structure of the stabilizing bin in the embodiment of the present application, and is intended to illustrate the buffer component.

[0041] Figure 4It is a schematic diagram of the partial structure of the stabilizing bin of the embodiment of the present application, which is intended to illustrate the screening component.

[0042] Explanation of the accompanying drawings: 1. Bin body; 11. Feed inlet; 12. Discharge outlet; 13. Discharge outlet; 14. Mounting block; 15. Discharge baffle; 151. Handle; 16. Slide; 17. Slider; 18. Visual window; 2. Buffer assembly; 21. Buffer plate; 22. Shock-absorbing spring; 23. Wear-resistant lining; 3. Screening assembly; 31. Screen plate; 32. Driving member; 321. Pneumatic vibrator; 322. Compressed air pipeline; 33. Elastic member; 331. Compression spring; 4. Weighing sensor. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-3 This application is described in further detail.

[0044] The embodiment of the present application discloses a stable material silo.

[0045] Reference Figure 1 and Figure 2 A stabilizing silo includes a silo body 1, a buffer assembly 2 and a screening assembly 3. The buffer assembly 2 and the screening assembly 3 are both installed in the inner cavity of the silo body 1, and the screening assembly 3 is used for screening and discharging materials with a larger volume.

[0046] Reference Figure 1 and Figure 2 The upper part of the silo body 1 is cylindrical, and the lower part is conical. A feed port 11, a discharge port 12 and a discharge port 13 are provided on the silo body 1. The feed port 11 and the discharge port 13 are both arranged at the upper part of the silo body 1, and the upper cavity of the silo body 1 is connected with the inner cavity of the material conveying pipeline through the feed port 11, and the discharge port 12 is connected with the feed end of the mill. The lower cavity of the silo body 1 is connected with the inner cavity of the mill through the discharge port 12, and a weighing sensor 4 is threadedly connected to the outer wall of the lower part of the silo body 1.

[0047] Reference Figure 2 and Figure 3The buffer assembly 2 includes a wear-resistant liner 23, multiple groups of buffer plates 21, and a damping spring 22 installed on each buffer plate 21. In the present application, the buffer plates 21 can be set to three groups, four groups, or five groups, as long as the buffering effect on the material after the preliminary crushing by the ball mill is achieved. In this embodiment, four groups of buffer plates 21 are provided, and four damping springs 22 are correspondingly provided. The four groups of buffer plates 21 are evenly arranged along the circumferential direction of the bin body 1, and each group of buffer plates 21 is divided along the axial direction of the bin body 1. The buffer plates 21 are arranged in a staggered manner, and the higher end of the buffer plate 21 is hinged to the inner wall of the silo 1, and a gap is formed between the other end and the inner wall of the silo 1 for materials to fall. The damping spring 22 is located below the buffer plate 21, and one end of the damping spring 22 is welded to the bottom wall of the buffer plate 21, and the other end is welded to the inner wall of the silo 1; in order to improve the wear resistance of the buffer plate 21 and extend the service life of the buffer plate 21, the wear-resistant lining plate 23 is welded to the top wall of the buffer plate 21 in the present application.

[0048] Reference Figure 1 and Figure 4 , the screening assembly 3 comprises a sieve plate 31, a driving member 32 and an elastic member 33, and a plurality of mounting blocks 14 are welded on the inner wall of the bin body 1. In the present application, the mounting blocks 14 can be set to three, four or five, but the installation of the sieve plate 31 can be achieved. In the present embodiment, four mounting blocks 14 are provided, and the four mounting blocks 14 are evenly distributed along the circumferential direction of the bin body 1. The sieve plate 31 is mounted on the mounting blocks 14 through the elastic member 33, and the sieve plate 31 is tilted from high to low from the side away from the discharge port 13 to the side close to the discharge port 13; the driving member 32 comprises a pneumatic vibrator 321 and a compressed air pipeline 322, and the pneumatic vibrator 321 is welded to the sieve plate 31 At the center position of the bottom wall, a compressed air pipe 322 is arranged below the pneumatic vibrator 321, and one end of the compressed air pipe 322 is connected to the inner cavity of the pneumatic vibrator 321, and the other end extends out of the inner cavity of the warehouse body 1; the elastic member 33 includes a compression spring 331. In this embodiment, four compression springs 331 are arranged corresponding to four mounting blocks 14. The length of the four compression springs 331 gradually decreases from the side away from the discharge port 13 to the side close to the discharge port 13 as the sieve plate 31 is tilted. One end of the compression spring 331 is welded to the bottom wall of the sieve plate 31, and the other end is welded to the top wall of the mounting block 14; in addition, a visual window 18 is also provided on the side wall of the warehouse body 1 in the present application.

[0049] Reference Figure 1 and Figure 4In the present application, a discharge baffle 15 is also provided at the discharge port 13, and a slide groove 16 is provided on the outer wall of the bin body 1 near the discharge port 13. The slide groove 16 is provided along the length direction of the bin body 1, and the slide groove 16 is connected with the discharge port 13. A slider 17 that can slide along the length direction of the slide groove 16 is provided on the discharge baffle 15. In order to ensure a stable and smooth sliding connection between the discharge baffle 15 and the bin body 1, two slide grooves 16 are provided in the present embodiment, and two sliders 17 are provided on the corresponding discharge baffle 15; in addition, a handle 151 is also provided on the outer wall of the discharge baffle 15; when the buffer component When the material just falls onto the sieve plate 31 after buffering, the discharge baffle 15 is in a closed state, and the compressed air pipe 322 is adjusted to compress the air to drive the pneumatic vibrator 321 to vibrate, so that the larger volume of material is screened onto the sieve plate 31, and the smaller volume of material falls into the lower cavity of the bin body 1 and enters the inner cavity of the mill. When the larger volume of material on the sieve plate 31 reaches a certain accumulation amount, force is applied to the handle 151, and the discharge baffle 15 is driven to slide upward through the handle 151, so that the larger volume of material is discharged and re-connected to the ball mill for crushing, and the crushed material is passed into the bin body 1 again.

[0050] The implementation principle of a stabilizing bin in the embodiment of the present application is as follows: first, the material after preliminary crushing by the ball mill enters the stabilizing bin through the feeding pipe and then falls onto the buffer plate 21. The buffer plate 21 rotates downward under the pressure of the material and compresses the damping spring 22. The material after being buffered by the buffer plate 21 and the damping spring 22 falls along the inclined direction of the buffer plate 21 to the lower group of buffer plates 21. The material is buffered in turn by multiple groups of buffer plates 21. After the buffering is completed, the material falls onto the screen plate 31. When the material after the buffering by the buffer assembly 2 just falls onto the screen plate 31, the discharge baffle 15 is in a closed state, and then the compressed air pipeline is adjusted. The compressed air 322 drives the pneumatic vibrator 321 to vibrate, and the larger volume of material is screened out onto the screen plate 31, and the smaller volume of material falls into the lower cavity of the bin body 1. When the larger volume of material on the screen plate 31 reaches a certain accumulation amount, force is applied to the handle 151, and the discharge baffle 15 is driven by the handle 151 to slide upward, so that the larger volume of material is discharged and re-connected to the ball mill for crushing. The crushed material is passed into the bin body 1 again, and finally the material capacity falling into the lower cavity of the bin body 1 is monitored by the weighing sensor 4 to ensure that the material of the capacity that will not cause a large impact and vibration to the mill enters the inner cavity of the mill through the discharge port 12.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stable material silo, characterized in that: It comprises a silo (1), a buffer assembly (2) and a screening assembly (3), wherein the buffer assembly (2) and the screening assembly (3) are both installed in the inner cavity of the silo (1); The silo (1) is provided with a feed inlet (11) and a discharge outlet (12); the silo (1) is connected to the inner cavity of the feed pipe through the feed inlet (11); and the silo (1) is connected to the feed end of the mill through the discharge outlet (12); The buffer assembly (2) comprises a plurality of buffer plates (21) and a damping spring (22) mounted on each buffer plate (21); A plurality of groups of buffer plates (21) are evenly arranged along the circumferential direction of the silo (1), and each group of buffer plates (21) is distributed along the axial direction of the silo (1), two adjacent groups of buffer plates (21) are staggered, the buffer plates (21) are tilted, and a higher end of the buffer plate (21) is hinged to the inner wall of the silo (1), and a blanking gap is formed between the other end and the inner wall of the silo (1); The damping spring (22) is located below the buffer plate (21), and one end of the damping spring (22) is fixedly connected to the buffer plate (21), and the other end is fixedly connected to the inner wall of the bin body (1); The screening component (3) is used to screen materials with a relatively large volume.

2. The stable material bin according to claim 1, characterized in that: A wear-resistant lining plate (23) is provided on the buffer plate (21).

3. The stable material bin according to claim 1, characterized in that: The screening assembly (3) comprises a screening plate (31), a plurality of mounting blocks (14) are arranged on the inner wall of the bin body (1), the plurality of mounting blocks (14) are evenly distributed along the circumference of the bin body (1), and the screening plate (31) is mounted on the mounting blocks (14).

4. The stable material bin according to claim 3, characterized in that: The screening assembly (3) further comprises a driving member (32) and an elastic member (33) mounted on each of the mounting blocks (14), and the screening plate (31) is connected to the mounting block (14) via the elastic member (33); The driving member (32) includes a pneumatic vibrator (321) and a compressed air pipeline (322); The pneumatic vibrator (321) is installed on the bottom wall of the sieve plate (31); The compressed air pipeline (322) is arranged below the pneumatic vibrator (321), and one end of the compressed air pipeline (322) is connected to the exhaust port of the pneumatic vibrator (321), and the other end extends out of the warehouse body (1).

5. The stable material bin according to claim 4, characterized in that: The elastic member (33) comprises a compression spring (331), one end of the compression spring (331) is fixedly connected to the mounting block (14), and the other end is fixedly connected to the bottom wall of the sieve plate (31).

6. The stabilizing bin according to claim 5, characterized in that: The silo body (1) is provided with a discharge port (13), and the sieve plate (31) is arranged to be inclined from low to high from a side close to the discharge port (13) to a side away from the discharge port (13), and the silo body (1) is provided with a discharge baffle (15) for blocking the discharge port (13).

7. The stabilizing bin according to claim 6, characterized in that: A slide groove (16) is provided on the outer wall of the bin body (1), the slide groove (16) is distributed close to the discharge port (13), and the slide groove (16) is arranged along the axial direction of the bin body (1), and a slider (17) that can slide along the slide groove (16) is provided on the discharge baffle (15).

8. The stabilizing bin according to claim 6, characterized in that: A weighing sensor (4) is provided on the warehouse body (1).

9. The stabilizing bin according to claim 6, characterized in that: The warehouse body (1) is provided with a viewing window (18).

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