Concrete aggregate bin

Abstract

The utility model belongs to the technical field of concrete production, and discloses a concrete aggregate bin which comprises a square bin body, an obliquely arranged square screening plate is arranged in the bin body, a plurality of first screening holes are formed in the screening plate, and a collecting groove is further formed in the position, located at the lowest end of the screening plate, in the bin body. The groove bottom of the material collecting groove obliquely extends downwards to the outside of the bin body and is connected with a discharging groove, a plurality of second material screening holes are formed in the groove bottom of the material collecting groove, and a cleaning assembly for cleaning the material screening plates is further arranged in the bin body. Due to the fact that the obliquely-arranged material screening plate is arranged, and the material collecting groove with the obliquely-arranged groove bottom is further formed in the lowest end of the material screening plate, aggregate can firstly fall on the material screening plate after being conveyed into the bin body, and large aggregate is blocked on the material screening plate, slides into the material collecting groove along the material screening plate and finally flows to the discharging groove from the material collecting groove to be discharged out of the bin body. In this way, large aggregate can be automatically separated out in the feeding process, the screening efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] This utility model relates to the field of concrete production technology, and in particular to a concrete aggregate silo. Background Technology

[0002] Concrete aggregates refer to the granular, loose materials that act as a skeleton or filler in concrete. They are divided into coarse aggregates and fine aggregates, and aggregate bins are generally used to store concrete aggregates in concrete mixing plants. Due to production and transportation reasons, some aggregates with larger sizes are often mixed in, which affects the quality of concrete. Therefore, aggregates need to be screened before mixing.

[0003] Chinese utility model patent CN218019364U discloses an aggregate bin for a concrete mixing plant, which includes a bin body, a screen plate, a baffle, a motor, and a fixing assembly. The screen plate is disposed within the bin body. A cleaning port is provided on one side of the bin body, located above the screen plate. The baffle is used to block the cleaning port. By providing the cleaning port, it is convenient for workers to clean the aggregate from the side of the bin body, thereby improving the efficiency of aggregate cleaning. Furthermore, the baffle prevents aggregate from leaking out of the cleaning port.

[0004] Regarding the aforementioned technologies, the inventors believe that the following drawbacks exist: The above solutions require manually removing the large aggregates from the screen plate after a significant amount of large aggregates accumulates on the screen plate, affecting normal screening. If there are many large aggregates, frequent cleaning is necessary, which affects the feeding speed and increases the labor intensity for workers. Utility Model Content

[0005] To solve the above problems, this utility model provides a concrete aggregate silo.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a concrete aggregate silo, comprising a square silo body, wherein a square screen plate arranged obliquely is provided in the silo body, the screen plate is provided with a plurality of first screen holes, a collection trough is also provided at the lowest end of the screen plate in the silo body, the bottom of the collection trough extends obliquely downward to the outside of the silo body and is connected to a discharge trough, the bottom of the collection trough is provided with a plurality of second screen holes, and a cleaning component for cleaning the screen plate is also provided in the silo body.

[0007] Furthermore, support plates are obliquely arranged on opposite side walls of the silo, and a triangular support block is provided on the silo side wall near the highest point of the support plate. The collection trough includes a collection plate arranged vertically below the lowest point of the screening plate. The bottom edge of the collection trough is oblique and a bottom plate is provided protruding towards the silo side wall opposite the lowest point of the screening plate. Several second screening holes are opened on the bottom plate. A support block is provided along the length of the top edge of the collection plate. An L-shaped notch is provided on the side of the support block near the screening plate. The support plate, the triangular support block, and the support block together support the screening plate.

[0008] Furthermore, horizontally arranged strip holes are provided on the side wall of the hopper above the triangular support block, and a vertically arranged baffle is provided at the highest end of the screen plate. The length of the strip holes is greater than the width of the screen plate, and the width of the strip holes is greater than the thickness of the screen plate but less than the width of the baffle. A lifting lug is provided on the side of the baffle away from the screen plate.

[0009] Furthermore, the cleaning assembly includes cleaning rods slidably disposed on opposite side walls of the hopper. The length direction of the cleaning rods is perpendicular to the length direction of the support plate, and their sliding path is consistent with the length direction of the support plate. A rotating shaft and a cleaning plate are disposed below the cleaning rods along their length direction. The middle part of the cleaning plate is rotatably disposed on the rotating shaft. One side of the cleaning plate is arranged near the surface of the screen plate, and the other side is connected to the cleaning rods by a number of springs.

[0010] Furthermore, the silo body has two fixed plates spaced apart on the side wall of the support plate above the support plate. A guide rod is provided between the two fixed plates on one side wall, and a lead screw is rotatably provided between the two fixed plates on the other side wall. The length direction of the guide rod and the lead screw is consistent with the length direction of the support plate. One end of the cleaning rod is provided with a guide hole and the other end is provided with a threaded hole. The cleaning rod is slidably mounted on the guide rod and the lead screw through the guide hole and the threaded hole.

[0011] Furthermore, the lead screw is installed on the side wall of the hopper at the highest point of the collection trough. One end of the lead screw extends through the fixing plate to the top of the collection trough and is provided with a driven wheel at the end. A mounting plate is provided on the outer side of the corresponding side wall of the hopper. A motor is installed on the mounting plate. A drive wheel is installed on the output shaft of the motor. The drive wheel and the driven wheel are connected by a synchronous belt. A through hole is provided on the corresponding side wall of the hopper for the synchronous belt to pass through.

[0012] Furthermore, the side walls of the silo are also equipped with diagonally arranged protective plates.

[0013] In summary, this utility model has the following beneficial effects:

[0014] 1. In this application, by setting an inclined screen plate and a collection trough with an inclined bottom at the lowest end of the screen plate, the collection trough extends outside the bin. In this way, when the aggregate is transported into the bin, it will first fall onto the screen plate. Aggregates with the required particle size will fall from the first screen hole of the screen plate into the bin for storage. Large aggregates will be blocked on the screen plate and slide down the screen plate into the collection trough. Finally, they will flow from the collection trough to the discharge trough and be discharged outside the bin. In this way, large aggregates can be automatically separated out during the feeding process without stopping the machine for cleaning.

[0015] 2. In this application, by setting up a cleaning component, when some large aggregates are stuck in the first screening hole of the screening plate, the cleaning rod can be used to drive the cleaning plate to scrape up the large aggregates and push them into the collection trough after the feeding stops, without the need for manual cleaning, thus reducing the labor intensity of workers.

[0016] 3. In this application, the screen plate is supported by a support plate, a triangular support block, and a support block. The design of the strip hole, baffle, and lifting lugs allows the screen plate to be pulled out from the strip hole or put into the hopper through the strip hole, which facilitates the replacement and maintenance of the screen plate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the hopper in an embodiment of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the internal protective plate of the hopper body in an embodiment of this utility model;

[0020] Figure 4 yes Figure 3 Enlarged schematic diagram of part A;

[0021] Figure 5 This is a cross-sectional structural schematic diagram of an embodiment of the present utility model;

[0022] Figure 6 yes Figure 3 Enlarged schematic diagram of part B;

[0023] Figure 7 yes Figure 3 Enlarged schematic diagram of part C.

[0024] In the diagram: 10. Bin body; 11. Support plate; 12. Triangular support block; 13. Strip hole; 14. Fixing plate; 15. Guide rod; 16. Screw; 17. Driven wheel; 18. Protective plate; 20. Screen plate; 21. First screen hole; 22. Baffle; 23. Lifting lug; 30. Collection trough; 31. Discharge trough; 32. Second screen hole; 33. Collection plate; 34. Trough bottom plate; 35. Support block; 36. L-shaped notch; 40. Cleaning assembly; 41. Cleaning rod; 42. Rotating shaft; 43. Cleaning plate; 44. Spring; 45. Mounting plate; 46. Motor; 47. Drive wheel; 48. Synchronous belt. Detailed Implementation

[0025] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0026] like Figure 1-7 As shown in the figure, this application discloses a concrete aggregate silo, including a square silo body 10. The square silo body 10 consists of a square silo, a hopper-shaped silo, and a discharge pipe from top to bottom. A discharge valve is installed in the discharge pipe to control the discharge. A rain shelter is also installed above the square silo. A square screen plate 20 arranged at an angle is provided inside the silo body 10. The screen plate 20 has several first screen holes 21, which are used to block large aggregates that do not meet the requirements. A collection trough 30 is also provided at the lowest end of the screen plate 20 inside the silo body 10. The bottom of the collection trough 30 extends obliquely downward to the outside of the silo body 10 and is connected to the discharge trough 31. After being blocked by the screen plate 20, the large aggregates slide along the screen plate 20 into the collection trough 30 at its lower end. Since the bottom of the collection trough 30 is also arranged at an angle, the large aggregates that fall into the collection trough 30 will slide out along the bottom of the collection trough 30 to the discharge trough 31, and then slide out of the silo 10 through the discharge trough 31. In actual production, a collection frame can be set below the discharge trough 31 as needed.

[0027] Specifically, the collection trough 30 includes a collection plate 33 and a bottom plate 34. The collection plate 33 is positioned below the lowest end of the screen plate 20 and is arranged vertically. The bottom edge of the collection trough 30 is inclined, and the bottom plate 34 protrudes from the side wall of the hopper 10 opposite to the lowest end of the screen plate 20, thus making the bottom plate 34 also inclined, facilitating the sliding and self-separation of large aggregates. Furthermore, several second screening holes 32 are provided on the bottom plate 34. By arranging both the screen plate 20 and the bottom plate 34 at an incline, the movement path of the aggregates on the screen plate 20 and the bottom plate 34 is longer. The arrangement of the first screening holes 21 and the second screening holes 32 ensures that small aggregates meeting the requirements have sufficient movement to fall through the screening holes, thereby greatly improving screening efficiency. Large aggregates can slide down on their own due to the incline of the screen plate 20 and the bottom plate 34, eliminating the need for manual cleaning.

[0028] Specifically, the highest end of the screening plate 20 is positioned near one side wall of the silo 10, and the lowest end is spaced apart from the corresponding side wall of the silo 10. Support plates 11 are diagonally arranged on opposite side walls of the silo 10. A triangular support block 12 is positioned on the side wall of the silo 10 near the highest point of the support plate 11. The triangular support block 12 has a right-angled triangle cross-section, with one right-angled side connected to the corresponding side wall of the silo 10. The slope of its hypotenuse matches the inclination of the support plate 11, and its hypotenuse is coplanar with the upper surface of the support plate 11. A support block 35 is positioned along the length of the top edge of the collecting plate 33. An L-shaped notch 36 is provided on the side of the support block 35 near the screening plate 20. The support plate 11, the triangular support block 12, and the support block 35 collectively support the screening plate 20, allowing it to be stably placed within the silo 10.

[0029] To facilitate the maintenance and replacement of the screen plate 20, horizontally arranged strip-shaped holes 13 are provided on the side wall of the hopper 10 above the triangular support block 12. The length of the strip-shaped holes 13 is greater than the width of the screen plate 20, and the width of the strip-shaped holes 13 is greater than the thickness of the screen plate 20, allowing the screen plate 20 to be removed and placed through the strip-shaped holes 13, thus facilitating maintenance and replacement. Furthermore, a vertically arranged baffle 22 is provided at the highest end of the screen plate 20. The width of the strip-shaped holes 13 is less than the width of the baffle 22, so that the strip-shaped holes 13 can be covered by the baffle 22 after the screen plate 20 is placed. Alternatively, the baffle 22 can be fixed to the side wall of the hopper 10 with bolts or screws, making the screen plate 20 more stable inside the hopper 10 and also facilitating disassembly. Lifting lugs 23 are provided on the side of the baffle 22 away from the screen plate 20, allowing for easy disassembly and installation of the screen plate 20 using a crane or lifting tools.

[0030] Furthermore, a cleaning assembly 40 for cleaning the screen plate 20 is also provided inside the silo 10. The cleaning assembly 40 includes cleaning rods 41 slidably disposed on opposite side walls of the silo 10. The length direction of the cleaning rods 41 is perpendicular to the length direction of the support plate 11, and their sliding path is consistent with the length direction of the support plate 11. Below the cleaning rods 41, a rotating shaft 42 and a cleaning plate 43 are arranged along their length direction. The middle part of the cleaning plate 43 is rotatably disposed on the rotating shaft 42. One side of the cleaning plate 43 is arranged close to the surface of the screen plate 20, and the other side is connected to the cleaning rods 41 by several springs 44. Through the tension of the springs 44 on the end of the cleaning plate 43, the end of the cleaning plate 43 away from the springs 44 can always be pressed against the screen plate 20, so as to clean large aggregates stuck in the first screen hole 21.

[0031] During setup, two fixed plates 14 are spaced apart on the side wall of the support plate 11 on the hopper body 10, located above the support plate 11. A guide rod 15 is provided between the two fixed plates 14 on one side wall, and a lead screw 16 is rotatably provided between the two fixed plates 14 on the other side wall. The length direction of the guide rod 15 and the lead screw 16 is consistent with the length direction of the support plate 11. One end of the cleaning rod 41 is provided with a guide hole, and the other end is provided with a threaded hole. The cleaning rod 41 is slidably mounted on the guide rod 15 and the lead screw 16 through the guide hole and the threaded hole, so that the cleaning rod 41 can be driven to move along the guide rod 15 by driving the lead screw 16 to rotate.

[0032] To facilitate the driving of the lead screw 16, it is mounted on the side wall of the hopper 10 at the highest point of the collection trough 30. One end of the lead screw 16 extends through the fixing plate 14 upwards into the collection trough 30 and has a driven wheel 17 at its end. A mounting plate 45 is mounted on the outer side of the corresponding side wall of the hopper 10, and a motor 46 is mounted on the mounting plate 45. A drive wheel 47 is mounted on the output shaft of the motor 46. The drive wheel 47 and the driven wheel 17 are connected by a synchronous belt 48. A through hole is provided on the corresponding side wall of the hopper 10 for the synchronous belt 48 to pass through. The motor 46 drives the drive wheel 47 to rotate, which in turn drives the synchronous belt 48 and the driven wheel 17 to rotate, thereby driving the lead screw 16 to rotate and realizing the movement of the cleaning rod 41.

[0033] To protect the cleaning assembly 40, a diagonally arranged protective plate 18 is also provided on the side wall of the chamber 10. The protective plate 18 is mainly installed on the side wall where the triangular support block 12 and the support plate 11 are located, and is used to protect components such as the cleaning rod 41, the lead screw 16, and the guide rod 15. When no cleaning operation is being performed, the cleaning rod 41 slides under the uppermost protective plate 18.

[0034] The working principle of a concrete aggregate silo in this embodiment is as follows: Aggregate falls from the top of the silo body 10 via a conveying mechanism and slides down the screen plate 20. Small aggregate particles that meet the requirements fall through the first screen hole 21 into the silo body 10 for storage, while large aggregate particles that do not meet the requirements slide down the screen plate 20 into the collection trough 30, and then slide down the bottom plate 34 and are discharged from the silo body 10 through the discharge trough 31. Small aggregate particles that fail to fall through the first screen hole 21 in time can fall through the second screen hole 32 as they slide down the bottom plate 34, thus ensuring sufficient screening of small aggregate particles. Large aggregate particles slide out of the silo body 10 on their own, improving screening efficiency. If some large aggregate particles accumulate in the collection trough 30 and cannot slide down, they can be manually cleaned by inserting tools into the collection trough 30 from the discharge trough 31 without affecting normal feeding. When feeding is complete, some large aggregates may get stuck in the first screen hole 21. Simply start the cleaning component 40 to clean them, which greatly reduces the labor intensity of workers.

[0035] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A concrete aggregate silo, comprising a square silo body (10), characterized in that: The silo (10) is provided with a square screen plate (20) arranged at an angle. The screen plate (20) has a plurality of first screening holes (21). The silo (10) is also provided with a collection trough (30) at the lowest end of the screen plate (20). The bottom of the collection trough (30) extends obliquely downward to the outside of the silo (10) and is connected to a discharge trough (31). The bottom of the collection trough (30) has a plurality of second screening holes (32). The silo (10) is also provided with a cleaning component (40) for cleaning the screen plate (20).

2. A concrete aggregate silo according to claim 1, characterized in that: Support plates (11) are obliquely arranged on opposite side walls of the silo (10). A triangular support block (12) is provided on the side wall of the silo (10) near the highest point of the support plate (11). The collection trough (30) includes a collection plate (33) arranged vertically below the lowest point of the screen plate (20). The bottom edge of the collection trough (30) is oblique and a bottom plate (34) is provided protruding towards the side wall of the silo (10) opposite the lowest point of the screen plate (20). A plurality of second screening holes (32) are provided on the bottom plate (34). A support block (35) is provided along the length of the top edge of the collection plate (33). An L-shaped notch (36) is provided on the side of the support block (35) near the screen plate (20). The support plate (11), the triangular support block (12), and the support block (35) jointly support the screen plate (20).

3. A concrete aggregate silo according to claim 2, characterized in that: A horizontally arranged strip hole (13) is provided on the side wall of the silo (10) above the triangular support block (12). A vertically arranged baffle (22) is provided at the highest end of the screen plate (20). The length of the strip hole (13) is greater than the width of the screen plate (20). The width of the strip hole (13) is greater than the thickness of the screen plate (20) and less than the width of the baffle (22). A lifting lug (23) is provided on the side of the baffle (22) away from the screen plate (20).

4. A concrete aggregate silo according to claim 2, characterized in that: The cleaning assembly (40) includes cleaning rods (41) slidably disposed on opposite side walls of the silo body (10). The length direction of the cleaning rods (41) is perpendicular to the length direction of the support plate (11), and its sliding path is consistent with the length direction of the support plate (11). A rotating shaft (42) and a cleaning plate (43) are disposed below the cleaning rods (41) along their length direction. The middle part of the cleaning plate (43) is rotatably disposed on the rotating shaft (42). One side of the cleaning plate (43) is arranged close to the surface of the screen plate (20), and the other side is connected to the cleaning rods (41) by several springs (44).

5. A concrete aggregate silo according to claim 4, characterized in that: The silo body (10) has two fixed plates (14) spaced apart on the side wall of the support plate (11) above the support plate (11). A guide rod (15) is provided between the two fixed plates (14) on one side wall, and a lead screw (16) is rotatably provided between the two fixed plates (14) on the other side wall. The length direction of the guide rod (15) and the lead screw (16) is consistent with the length direction of the support plate (11). One end of the cleaning rod (41) is provided with a guide hole and the other end is provided with a threaded hole. The cleaning rod (41) is slidably provided on the guide rod (15) and the lead screw (16) through the guide hole and the threaded hole.

6. A concrete aggregate silo according to claim 5, characterized in that: The lead screw (16) is set on the side wall of the hopper (10) at the highest end of the collection trough (30). One end of the lead screw (16) passes through the fixing plate (14) and extends upward to the collection trough (30), and a driven wheel (17) is provided at the end. A mounting plate (45) is provided on the outer side of the corresponding side wall of the hopper (10). A motor (46) is provided on the mounting plate (45). A drive wheel (47) is provided on the output shaft of the motor (46). The drive wheel (47) and the driven wheel (17) are connected by a synchronous belt (48). A through hole is provided on the corresponding side wall of the hopper (10) for the synchronous belt (48) to pass through.

7. A concrete aggregate silo according to claim 6, characterized in that: The side wall of the silo (10) is also provided with a diagonally arranged protective plate (18).

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