Aggregate recycling and crushing integrated device for recycled concrete

Abstract

The aggregate recycling and crushing integrated device for the recycled concrete comprises a feeding elevator, a crushing unit, a mesh belt conveyor and a recycling elevator, the device is ingeniously provided with the mesh belt conveyor, and the crushed aggregate can be effectively screened through meshes densely distributed in the mesh belt conveyor. Aggregate with qualified particle size can smoothly penetrate through the meshes and fall into a recovery tank of the recovery elevator below, so that subsequent treatment and use are facilitated. And aggregates with unqualified particle sizes are continuously conveyed by the mesh belt conveyor and can be crushed again or subjected to other treatments according to needs, so that screening and efficient recovery of the aggregates are realized. According to the whole device, a complete automatic production chain is formed from the feeding hoister to the crushing unit and then to the mesh belt conveyor and the recovery hoister. Therefore, not only is the production efficiency greatly improved, but also the intervention of manual operation is reduced, and the production cost and the labor intensity are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete crushing recycling technical field especially relates to a kind of aggregate recycling and crushing integrated device of recycled concrete. BACKGROUND

[0002] Recycled concrete is an environmental protection type building material, and its main raw material is derived from waste concrete blocks, broken brick aggregate and other construction wastes, which is formed after crushing and recycling. In the process of manufacturing recycled concrete, the particle size of the aggregate used has strict requirements. Generally speaking, ordinary recycled concrete usually uses aggregate with a particle size ranging from 5mm to 40mm to ensure the basic performance and construction requirements of the concrete. For recycled concrete with higher performance requirements, fine aggregate with a particle size less than 5mm is usually selected to further improve the strength and durability of the concrete. In actual operation, the crushing process of construction waste often faces challenges. If the crushing is not complete, it is easy to mix unqualified secondary materials with particle sizes into the aggregate, which will negatively affect the quality of the subsequent production of recycled concrete and reduce its overall performance.

[0003] The existing crushing device on the market has deficiencies in screening aggregate with unqualified particle size. These devices often have aggregate with particle sizes that do not meet the requirements in the crushed aggregate, which needs to be transported by workers to another screening equipment for screening to screen out aggregate with unqualified particle size. However, the above processing procedure leads to reduced production efficiency and requires manual transfer of aggregate for screening, which is high in labor cost. SUMMARY

[0004] Therefore, the utility model provides an aggregate recycling and crushing integrated device for recycled concrete, aiming to solve the problem of low production efficiency and high cost caused by the need for manual transfer of aggregate for screening in the existing crushing device.

[0005] The technical solution of the utility model is as follows:

[0006] An aggregate recycling and crushing integrated device for recycled concrete includes:

[0007] A feeding elevator includes a feeding port and a first discharge port;

[0008] A crushing unit includes a base provided below the discharge port, two rotating crushing rollers provided in the base, an inlet provided at the top of the base, and an outlet provided at the bottom of the base;

[0009] A mesh belt conveyor includes a mesh belt with multiple mesh holes, and is provided below the outlet of the crushing unit;

[0010] The recycling elevator comprises a recycling groove and a second discharge port, and the recycling groove is arranged below the outlet of the crushing unit and the net belt conveyor.

[0011] As a further optional solution, a circulating guide groove is further included, a first end of the circulating guide groove is connected to an output end of the net belt conveyor, a second end of the circulating guide groove is connected to a feeding port of the feeding elevator, the first end and the second end of the circulating guide groove have a height difference, and the first end of the circulating guide groove is higher than the second end.

[0012] As a further optional solution, the net belt conveyor is divided into a horizontal conveying section and an ascending conveying section along a conveying direction thereof, the horizontal conveying section is arranged below the opening of the crushing unit, and the first end of the circulating guide groove is connected to a terminal end of the ascending conveying section.

[0013] As a further optional solution, a hopper is arranged at the feeding port of the feeding elevator, and the second end of the circulating guide groove is arranged on the hopper.

[0014] As a further optional solution, the crushing unit further comprises a driving shaft and a driven shaft, the two crushing rollers are sleeved on the driving shaft and the driven shaft respectively, one end of the driving shaft is in transmission connection with the motor, and the other end of the driving shaft is in transmission connection with the driven shaft.

[0015] As a further optional solution, both ends of the driving shaft and the driven shaft pass through the base, an installation seat is arranged outside the base, the installation seat is in bolted connection with the base, the installation seat is arranged at a connection position of the base, the driving shaft and the driven shaft, a bearing is arranged in the installation seat, and a sealing ring is arranged on a side surface of the installation seat close to the base.

[0016] As a further optional solution, the motor is connected with a speed reducer, and an output end of the speed reducer is connected with one end of the driving shaft through a shaft coupling.

[0017] As a further optional solution, the driving shaft and the driven shaft are in gear transmission or chain transmission.

[0018] The aggregate recycling and crushing integrated device of the recycled concrete has at least the following beneficial effects relative to the prior art:

[0019] 1. The device is provided with a net belt conveyor, and the densely distributed mesh holes of the net belt conveyor can effectively screen the crushed aggregate. The aggregate with qualified particle size can smoothly pass through the mesh holes and fall into the recycling groove of the recycling elevator below, thereby being convenient for subsequent processing and use. The aggregate with unqualified particle size is continuously conveyed by the net belt conveyor, and can be crushed or processed again as needed, thereby realizing screening and efficient recycling of the aggregate.

[0020] 2. The entire system, from the feeding elevator to the crushing unit, and then to the mesh belt conveyor and recycling elevator, forms a complete automated production chain. This not only significantly improves production efficiency but also reduces manual intervention, thereby lowering production costs and labor intensity.

[0021] 3. This device ingeniously integrates multiple functional units such as feeding, crushing, screening and recycling, making the entire device compact and occupying a small area. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of an integrated aggregate recycling and crushing device for recycled concrete according to the present invention.

[0024] Figure 2 This is an exploded schematic diagram of an integrated aggregate recycling and crushing device for recycled concrete according to the present invention.

[0025] Figure 3 This is a schematic diagram of the structure of the crushing unit;

[0026] Figure 4 This is a cross-sectional view of the mating structure between the mounting base and the drive / driven shaft.

[0027] In the diagram: 1. Feeding elevator; 11. Feed inlet; 12. First discharge outlet; 13. Hopper;

[0028] 2. Crushing unit; 21. Base; 22. Crushing roller; 23. Drive shaft; 24. Driven shaft; 25. Motor; 251. Reducer; 252. Coupling; 26. Mounting base; 27. Bearing; 28. Sealing ring;

[0029] 3. Mesh belt conveyor; 3a. Horizontal conveyor section; 3b. Rising conveyor section; 31. Mesh belt;

[0030] 4. Recycling elevator; 41. Recycling trough; 42. Second discharge port;

[0031] 5. Circulation guide groove. Detailed Implementation

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0034] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0035] Reference Figures 1-4 The present application provides an embodiment of a recycled concrete aggregate recycling and crushing integrated device, which comprises a feeding elevator 1, a crushing unit 2, a mesh belt 31 conveyor 3 and a recycling elevator 4. The feeding elevator 1 comprises a feeding port 11 and a first discharge port 12. The crushing unit 2 comprises a base 21 arranged below the discharge port, two crushing rollers 22 arranged in the base 21, an inlet (not marked in the figure) arranged at the top of the base 21, and an outlet (not marked in the figure) arranged at the bottom of the base 21. The mesh belt 31 conveyor 3 comprises a mesh belt 31 with a plurality of mesh holes, and is arranged below the outlet of the crushing unit 2. The recycling elevator 4 comprises a recycling groove 41 and a second discharge port 42, and the recycling groove 41 is arranged below the outlet of the crushing unit 2 and the mesh belt 31 conveyor 3.

[0036] In actual application, the construction waste such as waste concrete block and broken brick aggregate is put into the feeding port 11 by artificial or mechanical, the construction waste is transported to the first discharge port 12 by the feeding elevator 1, and then falls from the inlet at the top of the base 21, the two crushing rollers 22 crush the construction waste and form small particle size aggregate, the aggregate falls from the outlet at the bottom of the base 21 and falls on the mesh belt 31 of the mesh belt conveyor 3, the aggregate with qualified particle size can smoothly pass through the mesh hole and fall into the recycling groove 41 of the recycling elevator 4, and the aggregate with unqualified particle size is transported away by the mesh belt conveyor 3.

[0037] In the embodiment, the mesh belt 31 will vibrate to some extent when the mesh belt conveyor 3 is mechanically driven, which is beneficial to shake off the aggregate and avoid the aggregate from blocking the mesh hole; the size of the mesh hole on the mesh belt 31 can be selected according to the actual needs.

[0038] In the embodiment, the recycling groove 41 of the recycling elevator 4 is a long slot structure, so that the recycling groove 41 can cover a certain length of the mesh belt conveyor 3, the aggregate falling on the mesh belt 31 may not be able to directly pass through the mesh belt 31, and part of the aggregate will move a distance with the mesh belt 31 before falling, and the long slot structure of the recycling groove 41 can receive the falling aggregate as much as possible. The aggregate with qualified particle size enters the recycling groove 41 and is output from the second discharge port 42.

[0039] In some embodiments, as shown in Figure 1 and Figure 2 the recycling guide groove 5 is further included, the first end of the recycling guide groove 5 is connected to the output end of the mesh belt conveyor 3, the second end of the recycling guide groove 5 is connected to the feeding port 11 of the feeding elevator 1, the first end and the second end of the recycling guide groove 5 have a height difference, and the first end of the recycling guide groove 5 is higher than the second end.

[0040] In the embodiment, the mesh belt conveyor 3 outputs the aggregate with unqualified particle size to the first end of the recycling guide groove 5, the aggregate in the recycling guide groove 5 slides under the action of gravity, and the aggregate is guided into the feeding port 11 of the feeding elevator 1, and the feeding elevator 1 transports the aggregate to the crushing unit 2 for secondary processing. In this way, the workers do not need to transfer the aggregate with unqualified particle size, the automation level of the device is improved, and the labor cost is reduced.

[0041] In some embodiments, as shown in Figure 2As shown, the mesh belt 31 conveyor 3 is divided into a horizontal conveying section 3a and an ascending conveying section 3b along its conveying direction, the horizontal conveying section 3a is correspondingly arranged below the opening of the crushing unit 2, and the first end of the circulating guide chute 5 is connected to the end of the ascending conveying section 3b. The recycling chute 41 of the recycling elevator 4 is arranged below the horizontal conveying section 3a. Wherein, the aggregate processed by the crushing unit 2 will fall into the horizontal conveying section 3a, and the aggregate will fall into the recycling chute 41 of the recycling elevator 4 in the horizontal conveying section 3a.

[0042] Specifically, the feeding port 11 of the feeding elevator 1 is provided with a hopper 13, and the second end of the circulating guide chute 5 is arranged on the hopper 13.

[0043] In some embodiments, as shown in Figure 3 and Figure 4 As shown, the crushing unit 2 further comprises a driving shaft 23 and a driven shaft 24, and the two crushing rollers 22 are sleeved on the driving shaft 23 and the driven shaft 24 respectively. One end of the driving shaft 23 is in transmission connection with a motor 25, and the other end of the driving shaft 23 is in transmission connection with the driven shaft 24.

[0044] Specifically, in order to stabilize the rotation of the driving shaft 23 and the driven shaft 24, as shown in Figure 3 and Figure 4 Both ends of the driving shaft 23 and the driven shaft 24 pass through the base 21, and the outside of the base 21 is provided with a mounting seat 26, the mounting seat 26 is in bolted connection with the base 21, the mounting seat 26 is arranged at the connection position of the base 21, the driving shaft 23 and the driven shaft 24, the mounting seat 26 is provided with a bearing 27, and the side surface of the mounting seat 26 close to the base 21 is provided with a sealing ring 28. In other words, both ends of the driving shaft 23 and the driven shaft 24 are sleeved on the bearing 27, and the sealing ring 28 can prevent the aggregate from leaking out of the connection between the driving shaft 23 / driven shaft 24 and the base 21.

[0045] Specifically, the driving shaft 23 and the driven shaft 24 are in gear transmission or chain transmission. The gears and chains for transmission are not shown in the figure.

[0046] Specifically, as shown in Figure 3 The motor 25 is connected with a speed reducer 251, and the output end of the speed reducer 251 is connected with one end of the driving shaft 23 through a shaft coupling 252.

[0047] In summary, the application provides an aggregate recycling and crushing integrated device for recycled concrete. The device is provided with a mesh belt 31 conveyor 3, and the mesh holes on the mesh belt 31 conveyor 3 can effectively screen the crushed aggregate. The aggregate with qualified particle size can smoothly pass through the mesh holes and fall into the recycling groove 41 of the recycling elevator 4 below, which is convenient for subsequent processing and use. The aggregate with unqualified particle size is continuously conveyed by the mesh belt 31 conveyor 3 and can be crushed or processed again according to needs, realizing the screening and efficient recycling of the aggregate. The entire device forms a complete automatic production chain from the feeding elevator 1 to the crushing unit 2, to the mesh belt 31 conveyor 3 and the recycling elevator 4. This not only greatly improves the production efficiency, but also reduces the intervention of manual operation, reduces the production cost and labor intensity. The device skillfully integrates multiple functional units such as feeding, crushing, screening and recycling, so that the entire device has a compact structure and small floor area.

[0048] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0049] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An aggregate recycling and crushing integrated device for recycled concrete, characterized in that, The application relates to a material feeding and recycling device. The device comprises a feeding elevator, a crushing unit, a mesh belt conveyor and a recycling elevator. The feeding elevator comprises a feeding port and a first discharging port. The crushing unit comprises a base provided below the discharging port, two rotating crushing rollers arranged in the base, an inlet arranged at the top of the base and an outlet arranged at the bottom of the base. The mesh belt conveyor comprises a mesh belt with a plurality of mesh holes, and is arranged below the outlet of the crushing unit.

2. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 1, characterized in that, The recycling elevator comprises a recycling groove and a second discharging port, and the recycling groove is arranged below the outlet of the crushing unit and the mesh belt conveyor.

3. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 2, characterized in that, The device further comprises a circulating guide groove, the first end of the circulating guide groove is connected to the output end of the mesh belt conveyor, the second end of the circulating guide groove is connected to the feeding port of the feeding elevator, the first end of the circulating guide groove is higher than the second end.

4. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 2, characterized by The mesh belt conveyor is divided into a horizontal conveying section and an upward conveying section along the conveying direction, the horizontal conveying section is arranged below the opening of the crushing unit, and the first end of the circulating guide groove is connected to the end of the upward conveying section.

5. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 1, wherein The feeding port of the feeding elevator is provided with a hopper, and the second end of the circulating guide groove is arranged on the hopper.

6. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 5, wherein The crushing unit further comprises a driving shaft and a driven shaft, the two crushing rollers are sleeved on the driving shaft and the driven shaft respectively, one end of the driving shaft is connected with a motor in a transmission mode, and the other end of the driving shaft is connected with the driven shaft in a transmission mode.

7. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 6, wherein Both ends of the driving shaft and the driven shaft pass through the base, an installation base is arranged outside the base, the installation base is bolted with the base, the installation base is arranged at the connecting position of the base, the driving shaft and the driven shaft, a bearing is arranged in the installation base, and a sealing ring is arranged on the side of the installation base close to the base.

8. The aggregate recycling and crushing integrated apparatus for recycled concrete according to claim 6, wherein The motor is connected with a speed reducer, and the output end of the speed reducer is connected with one end of the driving shaft through a shaft coupling. The driving shaft and the driven shaft are connected in a gear transmission mode or a chain transmission mode.

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