Cement concrete recycled aggregate screening device

Abstract

The utility model relates to the technical field of aggregate screening devices, and discloses a cement concrete recycled aggregate screening device which comprises a screening box, a conveyor is arranged on the left side of the screening box, a baffle is fixedly connected to the interior of the screening box, a fixing plate is fixedly connected to the right side of the screening box, and a vibrating screen plate is arranged in the screening box. A movable screening mechanism is arranged in the screening box, an auxiliary dust falling mechanism is arranged in the screening box, in the using process, a first motor works, a rotating rod rotates, aggregate falling on a flow guide plate is conveniently guided into a vibrating screen plate in a reciprocating mode, a threaded rod rotates and is matched with a limiting rod, and the position of a connecting plate is conveniently adjusted; and through cooperation of a fixed plate, aggregate with different screening effects can be guided out in batches, through work of a reciprocating air cylinder, a first rotating block and a second rotating block are made to move, reciprocating rotation of a spraying plate is conveniently achieved, and therefore the working range of the spraying plate is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of aggregate screening devices, in particular to a cement concrete recycled aggregate screening device. Background Technique

[0002] Aggregates refer to granular materials that play a role in the skeleton and filling in concrete and mortar. In construction waste, large aggregates need to be crushed and screened, and then reused. After the concrete is crushed, the formed crushed aggregates have different particle sizes, so it is necessary to classify and recycle aggregates with different particle sizes. A common vibrating screen is used for classification and recycling.

[0003] According to a recycled concrete aggregate screening device disclosed on the patent network (authorization announcement number: CN220941710U), it is described that "the utility model relates to a recycled concrete aggregate screening device, including a screening box. Screening mechanisms are provided on the inner walls on the left and right sides of the screening box for multi-stage screening of concrete aggregates, and an auxiliary mechanism is provided on the left side of the screening box. In this recycled concrete aggregate screening device, through the setting of the screening mechanism, through the mutual cooperation between the vibration springs, sieve plates, connecting frames, drive motors, turntables, swing arms, etc., it is possible to use three sieve plates to perform multi-stage screening on the poured concrete aggregates to separate the concrete aggregates into different sizes. Among them, when screening, the drive motor is started to drive the turntable to rotate, which drives the swing arm to rotate along an elliptical path, thereby driving the connecting frame to swing up and down. When the connecting frame swings, it can drive the three sieve plates to vibrate and screen at the same time, improving the energy utilization rate. And the finally screened fine particle aggregates will fall to the bottom and be sent out by the feeding conveyor belt, improving the screening efficiency of the concrete aggregates".

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During the use of this utility model, three sieve plates are used to perform multi-stage screening on the poured concrete aggregates to separate the concrete aggregates into different sizes. Among them, when screening, the drive motor is started. The motor output shaft drives the turntable to rotate, which drives the swing arm to rotate along an elliptical path through the connecting rod, thereby driving the connecting frame to swing up and down. In actual use, since the position where the aggregates are exported in this device is fixedly open, it is easy to occur that when the aggregates are piled up, the screening is not thorough. At the same time, the dust suppression spray plate of this device has a fixed position, resulting in poor suppression of the dust. Therefore, it is necessary to improve a cement concrete recycled aggregate screening device to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a cement concrete recycled aggregate screening device to solve the problems raised in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solution: A cement concrete recycled aggregate screening device, including a screening box, a conveyor is arranged on the left side of the screening box, a baffle is fixedly connected inside the screening box, a fixing plate is fixedly connected on the right side of the screening box, a vibrating sieve plate is arranged inside the screening box, a movable screening mechanism is arranged inside the screening box, and an auxiliary dust reduction mechanism is arranged inside the screening box;

[0008] The movable screening mechanism includes a feeding component and a discharging component. The feeding component is arranged inside the screening box, and the discharging component is arranged on the right side of the screening box.

[0009] Preferably, the feeding component includes a diversion plate, the diversion plate is rotatably connected inside the screening box, a connecting rod is rotatably connected inside the diversion plate, a protective box is fixedly connected inside the screening box, a first motor is fixedly connected inside the protective box, and the output end of the first motor penetrates through the protective box and extends to the inside to be fixedly connected with a rotating rod, which is convenient for reciprocally guiding the aggregate falling on the diversion plate onto the vibrating sieve plate, thereby avoiding the accumulation of aggregate and increasing the screening efficiency.

[0010] Preferably, grooves are provided at the corresponding positions of the connecting rod and the rotating rod, and the rotating rod is rotatably connected inside the groove, which is convenient for a more stable screening process.

[0011] Preferably, the discharging component includes a first connecting platform, the first connecting platform is fixedly connected on the right side of the screening box, a second connecting platform is fixedly connected on the right side of the screening box, a threaded rod is rotatably connected inside the first connecting platform, a limiting rod is fixedly connected inside the second connecting platform, a movable plate is slidably connected to the outside of the limiting rod, and a connecting plate is fixedly connected to the bottom of the movable plate, which is convenient for adjusting the position of the connecting plate and cooperating with the fixing plate to batch export the aggregate after different screening effects.

[0012] Preferably, the movable plate is threadedly connected to the threaded rod, the movable plate is slidably connected to the first connecting platform, the movable plate is slidably connected to the second connecting platform, and the connecting plate contacts the fixing plate, which is convenient for a more stable discharging process.

[0013] Preferably, the auxiliary dust reduction mechanism includes a water tank, the water tank is fixedly connected on the left side of the screening box, a first rotating block is rotatably connected inside the screening box, a reciprocating cylinder is fixedly connected to the top of the first rotating block, a second rotating block is fixedly connected to the top of the reciprocating cylinder, a spray plate is rotatably connected inside the screening box, and a connecting pipe is arranged between the spray plate and the water tank, which is convenient for realizing the reciprocating rotation of the spray plate, thereby increasing the working range of the spray plate and realizing full dust reduction inside the screening box.

[0014] Preferably, a groove is provided at the position corresponding to the second rotating block on the spray plate, and the second rotating block is rotatably connected inside the groove, facilitating a more stable dust reduction process.

[0015] Compared with the prior art, the present utility model provides a screening device for recycled aggregate of cement concrete, having the following beneficial effects:

[0016] 1. For this screening device for recycled aggregate of cement concrete, during use, through the working of the first motor set, the rotating rod rotates, facilitating the reciprocating introduction of the aggregate falling on the diversion plate onto the vibrating sieve plate, thereby avoiding the accumulation of aggregate and increasing the screening efficiency. Through the rotation of the threaded rod and cooperation with the limiting rod, it is convenient to adjust the position of the connecting plate, and cooperate with the fixed plate, so as to meet the requirement of batch discharging of the aggregate after different screening effects.

[0017] 2. For this screening device for recycled aggregate of cement concrete, during use, through the working of the reciprocating air cylinder set, the first rotating block and the second rotating block move, facilitating the reciprocating rotation of the spray plate, thereby increasing the working range of the spray plate, and thus realizing full dust reduction inside the screening box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0019] Figure 1 It is a front structure schematic diagram of the present utility model;

[0020] Figure 2 It is a sectional structure schematic diagram of the present utility model;

[0021] Figure 3 It is a structure schematic diagram of the feeding assembly of the present utility model;

[0022] Figure 4 It is an internal structure schematic diagram of the feeding assembly of the present utility model;

[0023] Figure 5 It is a structure schematic diagram of the discharging assembly of the present utility model;

[0024] Figure 6 It is an internal structure schematic diagram of the discharging assembly of the present utility model;

[0025] Figure 7 It is a structure schematic diagram of the auxiliary dust reduction mechanism of the present utility model.

[0026] In the figure: 1, screening box; 2, conveyor; 3, baffle; 4, fixing plate; 5, vibrating sieve plate; 6, movable screening mechanism; 61, feeding component; 611, diversion plate; 612, connecting rod; 613, protective box; 614, rotating rod; 615, first motor; 62, discharging component; 621, first connecting platform; 622, second connecting platform; 623, threaded rod; 624, movable plate; 625, connecting plate; 626, limiting rod; 7, auxiliary dust reduction mechanism; 71, water tank; 72, first rotating block; 73, reciprocating cylinder; 74, second rotating block; 75, spraying plate; 76, connecting pipe. Specific implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0028] In the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0029] Embodiment 1:

[0030] Please refer to Figures 1-6 , the present invention provides a technical solution: a screening device for recycled aggregate of cement concrete, including a screening box 1, a conveyor 2 is arranged on the left side of the screening box 1, a baffle 3 is fixedly connected inside the screening box 1, a fixing plate 4 is fixedly connected on the right side of the screening box 1, a vibrating sieve plate 5 is arranged inside the screening box 1, a movable screening mechanism 6 is arranged inside the screening box 1, and an auxiliary dust reduction mechanism 7 is arranged inside the screening box 1;

[0031] The movable screening mechanism 6 includes a feeding component 61 and a discharging component 62. The feeding component 61 is arranged inside the screening box 1, and the discharging component 62 is arranged on the right side of the screening box 1.

[0032] Furthermore, the feeding assembly 61 includes a diversion plate 611 which is rotatably connected inside the screening box 1. A connecting rod 612 is rotatably connected inside the diversion plate 611. A protective box 613 is fixedly connected inside the screening box 1. A first motor 615 is fixedly connected inside the protective box 613. The output end of the first motor 615 penetrates through the protective box 613 and extends to the inside to be fixedly connected with a rotating rod 614, which is convenient for reciprocally introducing the aggregate falling on the diversion plate 611 onto the vibrating sieve plate 5, thereby avoiding the accumulation of aggregate and increasing the screening efficiency.

[0033] Furthermore, grooves are formed at the corresponding positions of the connecting rod 612 and the rotating rod 614, and the rotating rod 614 is rotatably connected inside the grooves, which is convenient for the screening process to be more stable.

[0034] Furthermore, the discharging assembly 62 includes a first connecting platform 621 which is fixedly connected to the right side of the screening box 1. A second connecting platform 622 is fixedly connected to the right side of the screening box 1. A threaded rod 623 is rotatably connected inside the first connecting platform 621. A limiting rod 626 is fixedly connected inside the second connecting platform 622. A movable plate 624 is slidably connected to the outside of the limiting rod 626. A connecting plate 625 is fixedly connected to the bottom of the movable plate 624, which is convenient for adjusting the position of the connecting plate 625 and cooperating with the fixing plate 4 to batch-discharge the aggregate after different screening effects.

[0035] Furthermore, the movable plate 624 is threadedly connected to the threaded rod 623, the movable plate 624 is slidably connected to the first connecting platform 621, the movable plate 624 is slidably connected to the second connecting platform 622, and the connecting plate 625 is in contact with the fixing plate 4, which is convenient for the discharging process to be more stable.

[0036] Embodiment 2:

[0037] Please refer to Figure 7 and further obtain in combination with Embodiment 1 that the auxiliary dust reduction mechanism 7 includes a water tank 71 which is fixedly connected to the left side of the screening box 1. A first rotating block 72 is rotatably connected inside the screening box 1. A reciprocating cylinder 73 is fixedly connected to the top of the first rotating block 72. A second rotating block 74 is fixedly connected to the top of the reciprocating cylinder 73. A spray plate 75 is rotatably connected inside the screening box 1. A connecting pipe 76 is arranged between the spray plate 75 and the water tank 71, which is convenient for realizing the reciprocating rotation of the spray plate 75, thereby increasing the working range of the spray plate 75 and realizing full dust reduction inside the screening box 1.

[0038] Furthermore, grooves are formed at the corresponding positions of the spray plate 75 and the second rotating block 74, and the second rotating block 74 is rotatably connected inside the grooves, which is convenient for the dust reduction process to be more stable.

[0039] During the actual operation process, when this device is in use, first, the conveyor 2 is set to work. In cooperation with the baffle 3, the aggregate to be screened is introduced into the inside of the screening box 1. The water tank 71 is set to work. In cooperation with the connecting pipe 76, the spraying plate 75 is made to work to reduce dust such as the dust generated during the introduction of the aggregate. The reciprocating cylinder 73 is set to work, causing the first rotating block 72 and the second rotating block 74 to move, so that the spraying plate 75 rotates inside the screening box 1. The aggregate falls onto the guide plate 611 under the action of gravity. The first motor 615 is set to work, causing the rotating rod 614 to rotate. In cooperation with the connecting rod 612, the guide plate 611 rotates inside the screening box 1, so as to realize the reciprocating rotation of the guide plate 611. The staff rotates the threaded rod 623. Due to the rotation of the threaded rod 623, in cooperation with the limiting rod 626, the movable plate 624 moves, so that the connecting plate 625 moves.

[0040] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device. Without more limitations, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A cement concrete recycled aggregate screening device, comprising a screening box (1), characterized in that: On the left side of the screening box (1), there is a conveyor (2). Inside the screening box (1), there is a baffle (3) fixedly connected. On the right side of the screening box (1), there is a fixed plate (4) fixedly connected. Inside the screening box (1), there is a vibrating sieve plate (5). Inside the screening box (1), there is a movable screening mechanism (6). Inside the screening box (1), there is an auxiliary dust reduction mechanism (7). The movable screening mechanism (6) includes a feeding component (61) and a discharging component (62). The feeding component (61) is arranged inside the screening box (1), and the discharging component (62) is arranged on the right side of the screening box (1). The feeding component (61) includes a diversion plate (611). The diversion plate (611) is rotatably connected inside the screening box (1). Inside the diversion plate (611), there is a connecting rod (612) rotatably connected. Inside the screening box (1), there is a protective box (613) fixedly connected. Inside the protective box (613), there is a first motor (615) fixedly connected. The output end of the first motor (615) penetrates through the protective box (613) and extends to the inside to be fixedly connected with a rotating rod (614). The auxiliary dust reduction mechanism (7) includes a water tank (71). The water tank (71) is fixedly connected to the left side of the screening box (1). Inside the screening box (1), there is a first rotating block (72) rotatably connected. On the top of the first rotating block (72), there is a reciprocating cylinder (73) fixedly connected. On the top of the reciprocating cylinder (73), there is a second rotating block (74) fixedly connected. Inside the screening box (1), there is a spray plate (75) rotatably connected. Between the spray plate (75) and the water tank (71), there is a connecting pipe (76).

2. The screening device for recycled aggregate of cement concrete according to claim 1, characterized in that: At the corresponding positions of the connecting rod (612) and the rotating rod (614), there are grooves, and the rotating rod (614) is rotatably connected inside the grooves.

3. A cement concrete recycled aggregate screening device according to claim 1, characterized in that: The discharging component (62) includes a first connecting platform (621). The first connecting platform (621) is fixedly connected to the right side of the screening box (1). On the right side of the screening box (1), there is a second connecting platform (622) fixedly connected. Inside the first connecting platform (621), there is a threaded rod (623) rotatably connected. Inside the second connecting platform (622), there is a limiting rod (626) fixedly connected. Outside the limiting rod (626), there is a movable plate (624) slidably connected. At the bottom of the movable plate (624), there is a connecting plate (625) fixedly connected.

4. The cement concrete recycled aggregate screening device according to claim 3, characterized in that: The movable plate (624) is threadedly connected with the threaded rod (623). The movable plate (624) is slidably connected with the first connecting platform (621). The movable plate (624) is slidably connected with the second connecting platform (622). The connecting plate (625) is in contact with the fixed plate (4).

5. A cement concrete recycled aggregate screening device according to claim 1, characterized in that: At the corresponding positions of the spray plate (75) and the second rotating block (74), there are grooves, and the second rotating block (74) is rotatably connected inside the grooves.

Images