Weighing temporary storage bin for aggregates with different granularities

Abstract

The utility model relates to a weighing temporary storage bin for aggregates with different granularities. The different-granularity aggregate weighing temporary storage bin comprises N temporary storage units which are arranged side by side; a circulation line for aggregate transportation passes right below all the temporary storage units; each temporary storage unit comprises a fixing frame, a bin body frame, a bin body, a weighing sensor, a vibration hopper and a sub-conveying belt; the bin body frame is connected with the fixing frame through the weighing sensor. The bin body is mounted on the bin body frame; aggregate is contained in the bin body; the granularities of the aggregates stored in the bins are different; an aggregate inlet is formed in one side of the bin body; an aggregate outlet is formed in the bottom of the bin body; the weighing sensors are arranged on the opposite side and the two sides of the aggregate inlet; the vibrating hopper is mounted below the aggregate outlet and is hermetically communicated with the aggregate outlet of the bin body; a discharge port corresponding to the stored aggregate is formed in the bottom of the vibration hopper; and the sub-conveying belts are correspondingly arranged below the discharge outlet. The temporary storage unit is compact in structure, aggregate inlets can be concentrated at one position, and aggregate transfer and production management are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of recycling construction waste, in particular to a weighing temporary storage bin for aggregates with different particle sizes. Background Art

[0002] The construction waste is recycled, then crushed and screened to form aggregates of different particle sizes. These aggregates are mixed with binders in a certain ratio and can be used to produce concrete, mortar and other building materials of corresponding strength grades. The mixing ratio of aggregates directly affects the performance of building materials. Different building materials have different aggregate ratios. Therefore, accurate mixing of aggregates is particularly critical when producing building materials. Prior art, such as a dry-mixed mortar production system in a utility model patent with authorization announcement number CN215047092U, discloses a mixing system; the mixing system includes a mixer and a distribution system; the distribution system includes a batching conveyor belt; the batching conveyor belt is located below the batching metering scale and is used to receive the ingredients weighed by the batching metering scale. Aggregates of different particle sizes require different distribution systems; this technical solution requires a larger site for arranging the distribution system, and the feeding ends of different aggregates are far apart, making it difficult to optimize the flow route of aggregates, which is not conducive to overall production management. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a weighing temporary storage bin for aggregates with different particle sizes.

[0004] The technical scheme of the utility model is: a weighing temporary storage bin for aggregates of different particle sizes comprises N temporary storage units arranged side by side; each temporary storage unit temporarily stores aggregates of one particle size; a circulation line for aggregate transportation passes directly below all temporary storage units; aggregates released from various temporary storage units fall onto the circulation line for mixing; each temporary storage unit comprises a fixed frame, a bin frame, a bin body, a weighing sensor, a vibrating bucket, and a sub-conveyor belt; the fixed frame is connected to the ground for fixing; the bin frame is connected to the fixed frame through a weighing sensor; the bin body is installed on the bin frame; aggregates are contained in the bin body; the aggregates stored in each bin body have different particle sizes; an aggregate inlet is provided on one side of the bin body for adding aggregates; an aggregate outlet is provided at the bottom of the bin body for discharging aggregates; the weighing sensor is arranged at the aggregate inlet The opposite side and both sides of the outlet are used to weigh the silo frame, silo and the aggregate in the silo; the amount of aggregate falling is measured according to the reduction in the data measured by the weighing sensor; the vibrating bucket is installed below the aggregate outlet and is in close communication with the silo aggregate outlet to receive the aggregate discharged from the aggregate outlet; a discharge port corresponding to the stored aggregate is provided at the bottom of the vibrating bucket; the size of the discharge port is different for different particle sizes of the stored aggregate; the smaller the particle size of the stored aggregate, the smaller the discharge port; the sub-conveyor belt is correspondingly arranged below the discharge port; when the vibrating bucket does not vibrate and the sub-conveyor belt does not start, the aggregate will pile up on the sub-conveyor belt to block the discharge port and prevent the aggregate from falling; when the vibrating bucket vibrates and the sub-conveyor belt starts, the aggregate is discharged from the discharge port and falls onto the sub-conveyor belt, and the sub-conveyor belt sends the aggregate to the flow line.

[0005] Preferably, all aggregate inlets face the same side to facilitate centralized loading and production management.

[0006] Preferably, limit columns A are provided at the four corners of the top of the fixed frame; limit columns B are provided at the four corners of the bottom of the bin frame; the limit columns A and the limit columns B are arranged correspondingly; a limited gap is reserved between the limit columns A and the limit columns B; the weighing sensor uses its own elasticity to weigh through vertical compression; the limit columns A and the limit columns B cooperate with each other to limit the falling stroke of the bin frame and protect the weighing sensor.

[0007] Preferably, the warehouse body includes a front side panel, a rear side panel, a left side panel and a right side panel; the top end of the front side panel is lower than the top end of the rear side panel; the bottom ends of the front side panel, the rear side panel, the left side panel and the right side panel are respectively hinged to the warehouse body frame; a pin locking mechanism is provided between the front side panel and the left side panel, between the front side panel and the right side panel, between the rear side panel and the left side panel, and between the rear side panel and the right side panel; the pin locking mechanism includes an overhanging plate and a wedge block fixed to the side panels of the warehouse body; the overhanging plate is provided with a long hole cooperating with the wedge block; the wedge block is inserted into the long hole and abuts against the side panels of the warehouse body; the warehouse body is a detachable structure for easy assembly.

[0008] Furthermore, the rear side plate includes an outwardly inclined section at the bottom and a vertical section at the top; the capacity of the warehouse is enlarged.

[0009] Furthermore, the front side plate is inclined outwards; the inclination angle of the front side plate is equal to the inclined section, which is convenient for aggregate loading.

[0010] Furthermore, each side panel of the warehouse body is provided with a reinforcing frame surrounded by square tubes on its outer side to strengthen the structural strength of each side panel.

[0011] Preferably, the weighing temporary storage bin for aggregates of different particle sizes also includes a dust hood; the dust hood is placed above all temporary storage units; a number of negative pressure holes are provided on the side wall of the dust hood; the negative pressure holes provide negative pressure suction to attract dust above the bin body, specifically to attract dust generated when aggregates are loaded.

[0012] Furthermore, the dust hood is provided with compartment A and compartment B; compartment A is arranged correspondingly above the temporary storage unit for containing fine aggregate; the dust raised when the fine aggregate is loaded is much greater than that when the coarse aggregate is loaded; compartment A and compartment B can prevent the lateral diffusion of dust, which is beneficial to the maintenance of the on-site environment.

[0013] Preferably, the front and rear edges of the fixing frame are correspondingly provided with lifting ears, which can be used to lift the fixing frame to facilitate the installation of the temporary storage unit.

[0014] The beneficial effects of the utility model are as follows: the weighing temporary storage bin for aggregates of different particle sizes of the utility model has the following advantages:

[0015] (1) The temporary storage unit of the utility model has a compact structure, which can centralize the aggregate inlet in one place, facilitating aggregate transportation and production management;

[0016] (2) The limit column A and the limit column B of the utility model cooperate with each other to limit the falling stroke of the bin frame and protect the weighing sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of a weighing and temporary storage bin for aggregates of different particle sizes of the utility model;

[0018] Figure 2 It is a three-dimensional temporary storage unit. Figure 1 ;

[0019] Figure 3 It is a three-dimensional temporary storage unit. Figure 2 ;

[0020] Figure 4 yes Figure 3 I magnified view of;

[0021] Figure 5 yes Figure 2 The main view;

[0022] Figure 6 yes Figure 5 AA section view;

[0023] Figure 7 yes Figure 6 BB cross-sectional view;

[0024] In the figure: 0. circulation line, 11. fixing frame, 111. limiting column A, 112. lifting ear, 12. silo frame, 121. limiting column B, 13. silo, 131. aggregate inlet, 132. aggregate outlet, 133. front side plate, 134. rear side plate, 1341. outer oblique section, 1342. vertical section, 135. left side plate, 136. right side plate, 1371. overhanging plate, 13711. long hole, 1372. wedge block, 138. reinforcement frame, 1381. reinforcement beam, 139. oblique angle, 14. weighing sensor, 15. vibration bucket, 151. discharge port, 16. limiting gap, 17. sub-conveyor belt, 2. dust hood, 21. negative pressure hole, 22. compartment A, 23. compartment B. DETAILED DESCRIPTION

[0025] Example 1: See Figure 1-7 A weighing temporary storage bin for aggregates of different particle sizes includes N temporary storage units arranged side by side; each temporary storage unit corresponds to temporarily storing aggregates of one particle size; N in this embodiment is 3, corresponding to coarse aggregate, medium aggregate, and fine aggregate respectively; a flow line 0 for aggregate transportation passes directly below all temporary storage units; aggregates released from each temporary storage unit fall onto the flow line 0 for mixing; each temporary storage unit includes a fixing frame 11, a bin frame 12, a bin body 13, and a weighing sensor 14 , vibrating bucket 15, sub-conveyor belt 17; the fixed frame 11 is connected to the ground for fixing; the silo frame 12 is connected to the fixed frame 11 through the weighing sensor 14; the silo 13 is installed on the silo frame 12; the silo 13 contains aggregates; each silo 13 stores aggregates of different particle sizes; an aggregate inlet 131 is provided on one side of the silo 13 for adding aggregates; an aggregate outlet 132 is provided at the bottom of the silo 13 for discharging aggregates; the weighing sensor 14 is arranged at the aggregate inlet 1 31, so as to weigh the silo frame 12, the silo 13 and the aggregate in the silo 13; the amount of aggregate falling is measured according to the reduction of the data measured by the weighing sensor 14; the vibrating bucket 15 is installed below the aggregate outlet 132, and is in close communication with the aggregate outlet 132 of the silo 13, and is used to receive the aggregate discharged from the aggregate outlet 132; the bottom of the vibrating bucket 15 is provided with a discharge port 151 corresponding to the stored aggregate; the particle size of the stored aggregate is different, and the discharge port 151 is provided at the bottom of the vibrating bucket 15. The sizes of the discharge port 151 are different; the smaller the particle size of the aggregate stored, the smaller the discharge port 151; the sub-conveyor belt 17 is correspondingly arranged below the discharge port 151; when the vibrating bucket 15 does not vibrate and the sub-conveyor belt 17 does not start, the aggregate will pile up on the sub-conveyor belt 17 to block the discharge port 151 and prevent the aggregate from falling; when the vibrating bucket 15 vibrates and the sub-conveyor belt 17 starts, the aggregate is discharged from the discharge port 151 and falls onto the sub-conveyor belt 17, and the sub-conveyor belt 17 sends the aggregate to the flow line 0.

[0026] Compared with the prior art, the temporary storage unit of the utility model has a compact structure, and can concentrate the aggregate inlet 131 in one place, which is convenient for aggregate transportation and production management.

[0027] A vibration motor is installed on the side of the vibration bucket 15 in this embodiment to drive the vibration bucket 15 to vibrate. The bin frame 12 in this embodiment is a frame shape formed by the notches of the channel steel facing the periphery; the web of the channel steel can guide the aggregate.

[0028] All aggregate inlets 131 face the same side to facilitate centralized loading and production management.

[0029] Limiting columns A 111 are provided at the four corners of the top of the fixing frame 11; limiting columns B 121 are provided at the four corners of the bottom of the bin frame 12; the limiting columns A 111 and the limiting columns B 121 are arranged correspondingly; a limiting gap 16 is reserved between the limiting columns A 111 and the limiting columns B 121; the weighing sensor 14 uses its own elasticity to weigh through vertical compression; the limiting columns A 111 and the limiting columns B 121 cooperate with each other to limit the falling stroke of the bin frame 12 and protect the weighing sensor 14. The warehouse body 13 includes a front side plate 133, a rear side plate 134, a left side plate 135, and a right side plate 136; the top of the front side plate 133 is lower than the top of the rear side plate 134; the bottom of the front side plate 133, the bottom of the rear side plate 134, the bottom of the left side plate 135, and the bottom of the right side plate 136 are respectively hinged to the warehouse body frame 12; A pin locking mechanism is provided between the left side plate 135 and between the rear side plate 134 and the right side plate 136; the pin locking mechanism includes an overhanging plate 1371 and a wedge block 1372 fixed to the side plate of the bin body 13; the overhanging plate 1371 is provided with a long hole 13711 cooperating with the wedge block 1372; the wedge block 1372 is inserted into the long hole 13711 and abuts against the side plate of the bin body 13; the bin body 13 is a detachable structure for easy assembly.

[0030] The rear side plate 134 includes an outwardly inclined section 1341 at the bottom and a vertical section 1342 at the top; the capacity of the warehouse body 13 is expanded.

[0031] The front side plate 133 is inclined outwardly; the inclination angle of the front side plate 133 is 139 degrees equal to the inclined section, which is convenient for aggregate loading.

[0032] The outer side surface of each side plate of the warehouse body 13 is provided with a reinforcement frame 138 surrounded by square tubes to enhance the structural strength of each side plate.

[0033] The left side plate 135, the right side plate 136, and the rear side plate 134 are all provided with a reinforcing crossbeam 1381 in the reinforcing frame 138 to improve the structural strength. In this embodiment, the height of the reinforcing crossbeam 1381 corresponds to the junction of the outer inclined section 1341 and the vertical section 1342.

[0034] The weighing temporary storage bin for aggregates of different particle sizes also includes a dust hood 2; the dust hood 2 covers all temporary storage units; a plurality of negative pressure holes 21 are provided on the side wall of the dust hood 2; the negative pressure holes 21 provide negative pressure suction to attract dust above the bin body 13, specifically to attract dust generated when aggregates are loaded; there are three negative pressure holes 21 in this embodiment.

[0035] The dust hood 2 is provided with a compartment A 22 and a compartment B 23; the compartment A 22 is correspondingly arranged above the temporary storage unit containing fine aggregate; the dust raised when the fine aggregate is loaded is much greater than that when the coarse aggregate is loaded; the compartment A 22 and the compartment B 23 can prevent the lateral diffusion of dust, which is beneficial to the maintenance of the on-site environment.

[0036] The working process of this embodiment is as follows: the conveyor line is in operation; the temporary storage units encountered along the conveyor line are working; the working process of the temporary storage units is as follows:

[0037] The vibrating bucket 15 vibrates, the sub-conveyor belt 17 starts, and the aggregates blocking the discharge port 151 slowly fall down with the vibration of the vibrating bucket 15; the aggregates falling onto the sub-conveyor belt 17 move along with the sub-conveyor belt 17, and finally fall onto the flow line 0 at the end of the sub-conveyor belt 17; as the aggregates fall, the values ​​measured by the weighing sensor 14 decrease successively; after the value measured by the weighing sensor 14 decreases by a specified value, the vibrating bucket 15 stops vibrating and the sub-conveyor belt 17 stops conveying; the aggregates are piled onto the sub-conveyor belt 17 again, blocking the discharge port 151.

[0038] When the value measured by the weighing sensor 14 decreases to a certain value, the vibration of the vibrating bucket 15 needs to be stopped and aggregate is added into the bin body 13; the value measured by the weighing sensor 14 increases as the aggregate is added.

[0039] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the similarities are not repeated here. The difference is that the front and rear edges of the fixing frame 11 are respectively provided with lifting ears 112, which can be used to lift the fixing frame 11, so as to facilitate the installation of the temporary storage unit.

[0040] The sub-conveyor belt 17 is installed on the fixed frame 11.

[0041] In this embodiment, the upper corners of the front sides of the left side plate 135 and the right side plate 136 are both provided with bevels 139 to facilitate the loading of aggregates.

Claims

1. A weighing and temporary storage bin for aggregates of different particle sizes, characterized in that: It comprises N temporary storage units arranged side by side; the circulation line for aggregate transportation passes directly under all the temporary storage units; each temporary storage unit comprises a fixed frame, a silo frame, a silo, a weighing sensor, a vibrating bucket, and a sub-conveyor belt; the fixed frame is connected to the ground; the silo frame is connected to the fixed frame through the weighing sensor; the silo is installed on the silo frame; the silo contains aggregate; the particle size of aggregates stored in each silo is different; an aggregate inlet is provided on one side of the silo; an aggregate outlet is provided at the bottom of the silo; the weighing sensor is arranged on the opposite side and on both sides of the aggregate inlet; the vibrating bucket is installed below the aggregate outlet and is tightly connected with the silo aggregate outlet; a discharge port corresponding to the stored aggregate is provided at the bottom of the vibrating bucket; and the sub-conveyor belt is correspondingly arranged below the discharge port.

2. The weighing temporary storage bin for aggregates of different particle sizes according to claim 1 is characterized by: Limiting columns A are arranged at the four corners of the top of the fixed frame; limiting columns B are arranged at the four corners of the bottom of the warehouse frame; limiting columns A and limiting columns B are arranged correspondingly; and a limiting gap is reserved between limiting columns A and limiting columns B.

3. The weighing temporary storage bin for aggregates of different particle sizes according to claim 1 is characterized by: The warehouse body includes a front side panel, a rear side panel, a left side panel and a right side panel; the top of the front side panel is lower than the top of the rear side panel; the bottoms of the front side panel, the rear side panel, the left side panel and the right side panel are respectively hinged to the warehouse body frame; pin locking mechanisms are provided between the front side panel and the left side panel, between the front side panel and the right side panel, between the rear side panel and the left side panel, and between the rear side panel and the right side panel; the pin locking mechanism includes an overhanging plate and a wedge block fixed to the side panels of the warehouse body; the overhanging plate is provided with a long hole matched with the wedge block; the wedge block is inserted into the long hole and abuts against the side panels of the warehouse body.

4. The weighing temporary storage bin for aggregates of different particle sizes according to claim 3 is characterized by: The rear side plate comprises an outwardly inclined section at the bottom and a vertical section at the top.

5. The weighing temporary storage bin for aggregates of different particle sizes according to claim 4 is characterized by: The front side plate is inclined outwards; the inclination angle of the front side plate is equal to the inclined section.

6. The weighing temporary storage bin for aggregates of different particle sizes according to claim 3 is characterized by: The outer side surfaces of each side plate of the warehouse body are provided with a reinforcement frame surrounded by square tubes.

7. The weighing temporary storage bin for aggregates of different particle sizes according to claim 1, characterized in that: It also includes a dust hood; the dust hood is covered above all temporary storage units; and a plurality of negative pressure holes are arranged on the side wall of the dust hood.

8. The weighing temporary storage bin for aggregates of different particle sizes according to claim 7, characterized in that: The dust hood is provided with compartment A and compartment B; compartment A is correspondingly arranged above the temporary storage unit containing fine aggregate.

9. The weighing temporary storage bin for aggregates of different particle sizes according to claim 1, characterized in that: The front and rear edges of the fixing frame are correspondingly provided with lifting ears.

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