Cement bin cement overflow device

Abstract

The utility model discloses a cement overflow device of a cement bin, and relates to the technical field of cement production equipment. The bottom of the storage bin is fixed to the welding support, and a feeding pipe communicated with the storage bin is fixed to one side of the storage bin; the stress plate is arranged in the storage bin, a sliding hole is formed in the bottom of the storage bin, a sliding column is arranged in the sliding hole in a sliding mode, the top end of the sliding column is fixed to the stress plate, and a reset structure enabling the sliding column to reset is arranged between the bottom end of the sliding column and the welding support; and the sealing mechanism comprises a middle cylinder, the middle cylinder and the feeding pipe are coaxially fixed, a rectangular opening is formed in the outer side of the middle cylinder, an extension plate is arranged in the rectangular opening in a sliding mode, and a fan-shaped block coaxial with the middle cylinder is fixed to one end of the extension plate. According to the utility model, the feeding can be automatically closed in the overflow process.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production equipment, in particular to a cement overflow device for a cement silo. Background Art

[0002] Mud silo, also known as cement silo, is generally used for bulk cement storage in concrete mixing plants. It is suitable for storing various bulk building materials such as cement and fly ash.

[0003] After searching, the Chinese utility model with announcement number CN214216949U belongs to the technical field of cement production equipment, especially a cement overflow device for cement silo, including a cement silo body, the top of the cement silo body is connected with a feed barrel, the top of the cement silo body is provided with a through slot, the inner walls of the through slot are overlapped with the same filter plate on both sides, the top of the filter plate is fixedly connected with a fixed plate, and the number of the fixed plates is two. The cement overflow device for cement silo, through the arrangement of the filter plate, the through slot and the fixed plate, the filter plate filters the exhausted gas to prevent the internal cement dust from escaping, saving resources and protecting the environment, the through slot and the fixed plate are convenient for the installation and disassembly of the filter plate, through the arrangement of the pressure sensor, the spring, the extrusion plate and the alarm, when the cement in the cement silo body is full, the alarm sounds an alarm, thereby reminding the work change personnel to perform relevant operations, and through the arrangement of the observation bar, it is convenient to observe the cement in the cement silo body.

[0004] When overflow occurs in the above device, the staff controls the external feeder to stop feeding. If it is not stopped in time, it will cause waste. Therefore, a cement overflow device for a cement silo is disclosed. Utility Model Content

[0005] The purpose of the present application is to provide a cement overflow device for a cement silo to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present application provides the following technical solution: a cement overflow device for a cement silo, comprising:

[0007] Welding bracket;

[0008] A material storage bin, the bottom of which is fixed to a welding bracket, and a feeding pipe connected to the material storage bin is fixed to one side of the material storage bin;

[0009] A force-bearing plate, wherein the force-bearing plate is arranged inside the storage bin, a sliding hole is provided at the bottom of the storage bin, a sliding column is slidably arranged inside the sliding hole, the top end of the sliding column is fixed to the force-bearing plate, and a reset structure for resetting the sliding column is arranged between the bottom end of the sliding column and the welding bracket;

[0010] A closing mechanism comprises an intermediate cylinder, wherein the intermediate cylinder is coaxially fixed with the feed pipe, a rectangular opening is opened on the outer side of the intermediate cylinder, an extension plate is slidably arranged inside the rectangular opening, a fan-shaped block coaxially arranged with the intermediate cylinder is fixed at one end of the extension plate, the outer side of the sliding column and the outer side of each extension plate are connected to a driving mechanism, and when the sliding column moves downward, the driving mechanism causes the extension plate to synchronously move along the rectangular opening toward the inside of the intermediate cylinder.

[0011] Preferably, the reset structure includes a first double-section telescopic cylinder, a limit plate and a first reset spring, the two ends of the first double-section telescopic cylinder are respectively fixed on the welding bracket and the sliding column, the outer side of one end of the first double-section telescopic cylinder is fixed to the limit plate, and the first reset spring is sleeved on the first double-section telescopic cylinder.

[0012] Preferably, the driving mechanism includes a circular ring plate and a connecting structure. The circular ring plate is rotatably mounted in the intermediate cylinder through a bearing. The annular surface of the circular ring plate is provided with inclined grooves equidistantly distributed in a ring shape with its center as the center. A slider is slidably arranged inside each of the inclined grooves, and the slider is rotatably mounted on the extension plate.

[0013] Preferably, the connection structure comprises an extension plate, an extension rod and a connecting rod, both ends of the connecting rod are rotatably mounted on the extension plate and the extension rod respectively, the extension plate is fixed to the circular ring plate, and one end of the extension rod is fixed to the sliding column.

[0014] Preferably, an overflow pipe located lower than the feed pipe is fixed on the other side of the storage bin.

[0015] Preferably, a sealing structure aligned with the overflow pipe is provided inside the storage bin, and the sealing structure includes a sealing plate and a floating plate, the bottom of the sealing plate is fixed to one end of the floating plate, and a plurality of second double-section telescopic cylinders are provided between the bottom of the sealing plate and the top of the storage bin, and the two ends of the second double-section telescopic cylinders are respectively fixed to the bottom of the sealing plate and the top of the storage bin, and a second return spring is sleeved on the outer side of the double-section telescopic cylinder.

[0016] In summary, the technical effects and advantages of the utility model are:

[0017] 1. Cement is poured into the storage bin through the feed pipe, and the cement falls on the force plate. The force plate moves down, and the sliding column on the force plate moves down accordingly. The sliding column shortens the first double-section telescopic cylinder, and the limit plate of the first double-section telescopic cylinder squeezes the first return spring. When the sliding column on the force plate moves down, the extension rod on the sliding column moves down accordingly, and the connecting rod on the extension rod pulls the circular plate through the extension plate. The circular plate rotates clockwise, and the inclined groove on the circular plate pushes the extension plate into the middle cylinder with the help of the slider, and each fan-shaped block is closed, thereby realizing automatic closing of feeding. During the closing process, the cement flow gradually decreases, which can effectively control the overflow and further reduce waste.

[0018] 2. When the liquid level of cement moves upward, the liquid level causes the floating plate to move upward, and the floating plate causes the sealing plate to move upward. The second double-section telescopic cylinder is shortened, and the sealing plate cannot block the overflow pipe, thereby achieving automatic sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0022] Figure 3 This is a schematic structural diagram of the closing mechanism of the utility model from a first perspective;

[0023] Figure 4 This is a structural schematic diagram of the closing mechanism of the utility model from a second viewing angle.

[0024] In the figure: 1. welding bracket; 2. reset structure; 3. storage bin; 4. overflow pipe; 5. closing mechanism; 6. connecting rod; 7. force plate; 8. first reset spring; 9. first double-section telescopic cylinder; 10. limit plate; 11. extension rod; 12. sliding column; 13. sealing plate; 14. floating plate; 15. second reset spring; 16. second double-section telescopic cylinder; 17. circular ring plate; 18. inclined groove; 19. sliding block; 20. intermediate cylinder; 21. fan-shaped block; 22. extension plate; 23. extension plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example: Reference Figure 1-4 A cement overflow device for a cement silo is shown, comprising:

[0027] Welding bracket 1;

[0028] A material storage bin 3, the bottom of which is fixed to the welding bracket 1, and a feeding pipe connected to the material storage bin 3 is fixed to one side of the material storage bin 3;

[0029] A force-bearing plate 7 is arranged inside the storage bin 3. A sliding hole is provided at the bottom of the storage bin 3. A sliding column 12 is slidably arranged inside the sliding hole. The top end of the sliding column 12 is fixed to the force-bearing plate 7. A reset structure 2 for resetting the sliding column 12 is provided between the bottom end of the sliding column 12 and the welding bracket 1.

[0030] The closing mechanism 5 includes an intermediate cylinder 20, which is coaxially fixed with the feed pipe. A rectangular opening is opened on the outer side of the intermediate cylinder 20, and an extension plate 23 is slidably arranged inside the rectangular opening. A fan-shaped block 21 coaxially arranged with the intermediate cylinder 20 is fixed at one end of the extension plate 23. The outer side of the sliding column 12 and the outer sides of each extension plate 23 are connected to a driving mechanism. When the sliding column 12 moves downward, the driving mechanism causes the extension plate 23 to move synchronously along the rectangular opening toward the inside of the intermediate cylinder 20.

[0031] Specifically, the reset structure 2 includes a first double-section telescopic cylinder 9, a limit plate 10 and a first reset spring 8. The two ends of the first double-section telescopic cylinder 9 are respectively fixed to the welding bracket 1 and the sliding column 12. The outer side of one end of the first double-section telescopic cylinder 9 is fixed to the limit plate 10, and the first reset spring 8 is sleeved on the first double-section telescopic cylinder 9.

[0032] In the utility model, Figure 2 As shown, cement is poured into the storage bin 3 through the feed pipe, and the cement falls on the force-bearing plate 7. The force-bearing plate 7 moves downward, and the sliding column 12 on the force-bearing plate 7 moves downward accordingly. The sliding column 12 shortens the first double-section telescopic cylinder 9 accordingly, and the limit plate 10 of the first double-section telescopic cylinder 9 squeezes the first return spring 8.

[0033] Specifically, the driving mechanism includes a circular plate 17 and a connecting structure. The circular plate 17 is rotatably mounted in the intermediate cylinder 20 through a bearing. The annular surface of the circular plate 17 is provided with inclined grooves 18 with its center as the center and distributed in an annular shape with equal distances. A slider 19 is slidably arranged inside each inclined groove 18. The slider 19 is rotatably mounted on the extension plate 23.

[0034] In the utility model, Figures 2 to 4 As shown, the annular plate 17 rotates clockwise, and the inclined groove 18 on the annular plate 17 pushes the extension plate 23 into the middle tube 20 with the help of the slider 19, so that each sector block 21 is closed.

[0035] Specifically, the connection structure includes an extension plate 22, an extension rod 11 and a connecting rod 6, both ends of the connecting rod 6 are rotatably mounted on the extension plate 22 and the extension rod 11, the extension plate 22 is fixed to the annular plate 17, and one end of the extension rod 11 is fixed to the sliding column 12;

[0036] In the utility model, Figure 2 As shown, when the sliding column 12 on the force-bearing plate 7 moves downward, the extension rod 11 on the sliding column 12 moves downward accordingly, and the connecting rod 6 on the extension rod 11 pulls the annular plate 17 through the extension plate 22, and the annular plate 17 rotates clockwise.

[0037] Specifically, an overflow pipe 4 located lower than the feed pipe is fixed on the other side of the storage bin 3;

[0038] In the utility model, Figure 2 As shown, the overflowed cement flows out from the overflow pipe 4.

[0039] Specifically, a sealing structure aligned with the overflow pipe 4 is provided inside the storage bin 3, and the sealing structure includes a sealing plate 13 and a floating plate 14, the bottom of the sealing plate 13 is fixed to one end of the floating plate 14, and a plurality of second double-section telescopic cylinders 16 are provided between the bottom of the sealing plate 13 and the top of the storage bin 3, and the two ends of the second double-section telescopic cylinder 16 are respectively fixed to the bottom of the sealing plate 13 and the top of the storage bin 3, and a second return spring 15 is sleeved on the outer side of the double-section telescopic cylinder;

[0040] In the utility model, when the liquid level of cement moves upward, the liquid level causes the floating plate 14 to move upward, the floating plate 14 causes the sealing plate 13 to move upward, the second double-section telescopic cylinder 16 is shortened, and the sealing plate 13 cannot block the overflow pipe 4, thereby achieving automatic sealing.

[0041] The working principle of the utility model is as follows: cement is poured into the storage bin 3 through the feed pipe, and the cement falls on the force plate 7. The force plate 7 moves downward, and the sliding column 12 on the force plate 7 moves downward accordingly. The sliding column 12 shortens the first double-section telescopic cylinder 9 accordingly, and the limit plate 10 of the first double-section telescopic cylinder 9 squeezes the first return spring 8. When the sliding column 12 on the force plate 7 moves downward, the extension rod 11 on the sliding column 12 moves downward accordingly, and the connecting rod 6 on the extension rod 11 pulls the annular plate 17 through the extension plate 22, and the annular plate 17 rotates clockwise. The annular plate 17 rotates clockwise, and the inclined groove 18 on the annular plate 17 uses the slider 19 to push the extension plate 23 into the middle cylinder 20, and each fan-shaped block 21 is closed.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A cement overflow device for a cement silo, characterized in that: include: Welding bracket (1); A material storage bin (3), the bottom of which is fixed to the welding bracket (1), and a feed pipe connected to the material storage bin (3) is fixed on one side of the material storage bin (3); A force-bearing plate (7), wherein the force-bearing plate (7) is arranged inside a material storage bin (3), a sliding hole is provided at the bottom of the material storage bin (3), a sliding column (12) is slidably arranged inside the sliding hole, the top end of the sliding column (12) is fixed to the force-bearing plate (7), and a reset structure (2) for resetting the sliding column (12) is arranged between the bottom end of the sliding column (12) and the welding bracket (1); A closing mechanism (5), the closing mechanism (5) comprising an intermediate cylinder (20), the intermediate cylinder (20) being coaxially fixed with the feed pipe, the outer side of the intermediate cylinder (20) being provided with a rectangular opening, the interior of the rectangular opening being provided with an extension plate (23) being slidably arranged, one end of the extension plate (23) being fixed with a sector block (21) coaxially arranged with the intermediate cylinder (20), the outer side of the sliding column (12) and the outer side of each extension plate (23) being connected with a driving mechanism, and when the sliding column (12) moves downward, the driving mechanism causes the extension plate (23) to synchronously move along the rectangular opening toward the interior of the intermediate cylinder (20).

2. A cement overflow device for a cement silo according to claim 1, characterized in that: The reset structure (2) comprises a first double-section telescopic cylinder (9), a limit plate (10) and a first reset spring (8); the two ends of the first double-section telescopic cylinder (9) are respectively fixed to a welding bracket (1) and a sliding column (12); the outer side of one end of the first double-section telescopic cylinder (9) is fixed to the limit plate (10), and the first reset spring (8) is sleeved on the first double-section telescopic cylinder (9).

3. A cement overflow device for a cement silo according to claim 1, characterized in that: The driving mechanism comprises a circular ring plate (17) and a connecting structure. The circular ring plate (17) is rotatably mounted in an intermediate cylinder (20) via a bearing. The annular surface of the circular ring plate (17) is provided with inclined grooves (18) which are equidistantly distributed in an annular pattern and have the center of the circular ring plate as the center of the circle. A slider (19) is slidably arranged inside each inclined groove (18). The slider (19) is rotatably mounted on an extension plate (23).

4. A cement overflow device for a cement silo according to claim 3, characterized in that: The connection structure comprises an extension plate (22), an extension rod (11) and a connecting rod (6), the two ends of the connecting rod (6) are rotatably mounted on the extension plate (22) and the extension rod (11), respectively, the extension plate (22) is fixed to the circular ring plate (17), and one end of the extension rod (11) is fixed to the sliding column (12).

5. A cement overflow device for a cement silo according to claim 1, characterized in that: An overflow pipe (4) located lower than the feed pipe is fixed on the other side of the storage bin (3).

6. A cement overflow device for a cement silo according to claim 5, characterized in that: The interior of the material storage bin (3) is provided with a sealing structure aligned with the overflow pipe (4), the sealing structure comprising a sealing plate (13) and a floating plate (14), the bottom of the sealing plate (13) being fixed to one end of the floating plate (14), a plurality of second double-section telescopic cylinders (16) being provided between the bottom of the sealing plate (13) and the top of the material storage bin (3), the two ends of the second double-section telescopic cylinders (16) being respectively fixed to the bottom of the sealing plate (13) and the top of the material storage bin (3), and a second return spring (15) being sleeved on the outer side of the double-section telescopic cylinder.

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