Cement stabilized macadam layer recycling and screening device

Abstract

The utility model belongs to the technical field of cement processing, and particularly relates to a cement stabilized macadam layer recycling and screening device which comprises a box body and further comprises two supports, a screening device body, a screening device body and a screening device body, the top ends of the two supports are fixedly installed on the left side and the right side of the box body respectively, and the screening device body is arranged on the screening device body. The bottom end of the feeding pipe is fixedly communicated with the top of the box body; the screen is arranged in the box body, a discharging hole is formed in the inner wall of the right side of the box body, the right end of the screen penetrates through the discharging hole and is in sliding connection with the inner wall of the discharging hole, and two first springs are fixedly installed on the inner wall of the bottom of the discharging hole; by means of the simple structure, stable discharging is achieved when broken stones are screened through the screen, it can be guaranteed that large-particle broken stones and small-particle broken stones can be continuously and stably discharged and collected, the situation that the large-particle broken stones are stacked on the screen is avoided, continuous and normal use of the screen is guaranteed, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cement processing, in particular to a recycling and screening device for a cement stabilized macadam layer. Background Technique

[0002] Cement is mainly made of limestone and clay. It is made into raw materials through crushing, batching, and grinding, and then fed into a cement kiln for calcination into clinker. Then, the clinker is ground with an appropriate amount of gypsum (sometimes mixed materials or additives are also added). A crushing and collecting device for stone aggregates is required during the processing to crush and collect stones.

[0003] In the prior art, a Chinese patent document with the application number: 202223156761.5 discloses a screening device for cement stabilized macadam aggregates, including a screening box body with an open lower end. A matching screen is movably arranged on the inner box wall of the screening box body. A knocking component for knocking the screen is also installed on the box wall of the screening box body. A cleaning mechanism for cleaning the blocked stones on the screen is jointly connected to the top of the screen and the screening box body; the cleaning mechanism includes a support bar, the support bar is fixedly connected to the upper end of the screen, the upper end of the support bar is symmetrically connected with a support rod, a support hole is opened at the position corresponding to the support rod on the top of the screening box body, the upper end of the support rod passes through the support hole and is connected with a reset plate, and a spring is jointly connected between the reset plate and the top of the screening box body. The utility model conveniently cleans the stones stuck in the screen, without the need for workers to remove the screen from the screening box body for cleaning, reducing the labor intensity of workers.

[0004] However, in the above technical solution, the large - sized stones screened above the screen will accumulate on the screen, which is not convenient for discharging and subsequent collection. After long - term use, cleaning and discharging operations are required, which is time - consuming and laborious and reduces the processing efficiency. Therefore, we propose a recycling and screening device for a cement stabilized macadam layer to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings in the prior art that the large - sized stones screened above the screen will accumulate on the screen, which is not convenient for discharging and subsequent collection. After long - term use, cleaning and discharging operations are required, which is time - consuming and laborious and reduces the processing efficiency, and a recycling and screening device for a cement stabilized macadam layer is proposed.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A recycling and screening device for a cement stabilized macadam layer, including a box body. This screening device further includes:

[0008] Two brackets, the tops of the two brackets are respectively fixedly installed on the left side and the right side of the box body;

[0009] A feed pipe, the bottom end of the feed pipe is fixedly communicated with the top of the box body;

[0010] A sieve, the sieve is arranged inside the box body, a discharge hole is opened on the right inner wall of the box body, the right end of the sieve penetrates through the discharge hole and is slidably connected with the inner wall of the discharge hole, and two first springs are fixedly installed on the bottom inner wall of the discharge hole, and the bottom ends of the two first springs are fixedly installed on the bottom of the sieve;

[0011] A transmission assembly, the transmission assembly includes: two sliding plates, two sliding rods, two second springs, and a connecting plate. The top ends of the two sliding plates are fixedly installed on the bottom of the sieve. The rear side of the sliding plate is in sliding contact with the rear inner wall of the box body. Two sliding holes are opened on the rear inner wall of the box body. The front end of the sliding rod penetrates through the corresponding sliding hole and is fixedly installed on the rear side of the corresponding sliding plate. The left end and the right end of the connecting plate are respectively fixedly installed on the two sliding rods. The bottom end of the second spring is fixedly installed on the bottom inner wall of the corresponding sliding hole, and the top end of the second spring is fixedly installed on the bottom of the corresponding sliding rod;

[0012] A vibration assembly, the vibration assembly is arranged on the box body, and the vibration assembly is respectively matched with the sieve and the connecting plate.

[0013] As a preferred scheme of the present utility model, an observation window is opened on the left side of the box body.

[0014] As a preferred scheme of the present utility model, the vibration assembly includes a motor, a rotating shaft, two eccentric wheels and a fixing rod. The front end of the fixing rod is fixedly installed on the rear side of the box body, the top end of the fixing rod is fixedly installed on the bottom of the motor, the output shaft of the motor is fixedly installed on the rear end of the rotating shaft, the front end of the rotating shaft penetrates through the box body and is rotatably connected with the box body, and the two eccentric wheels are both fixedly sleeved on the rotating shaft, and the two eccentric wheels are respectively matched with the bottom of the sieve and the bottom of the connecting plate.

[0015] As a preferred scheme of the present utility model, guide wheels are rotatably connected to the bottom of the connecting plate and the bottom of the sieve, and the guide wheels are in rolling connection with the corresponding eccentric wheels.

[0016] As a preferred scheme of the present utility model, a collection box is arranged below the box body, and the collection box corresponds to the bottom end of the box body.

[0017] As a preferred scheme of the present utility model, moving wheels are fixedly installed at the four corner positions of the bottom of the collection box. Beneficial effects

[0018] 1. By setting an inclined screen, it is convenient for the crushed stones to move forward to the front side of the box body. And by opening a discharge hole on the inner wall of the front side of the box body, it is convenient for the screen to discharge the large - particle crushed stones sieved out to the outside of the box body, which can prevent the large - particle crushed stones from accumulating above the screen, ensuring the continuous normal use of the screen. At the same time, the discharge hole is convenient for personnel to use tools to reach into the box body to clean the blocked screen, ensuring the smooth discharge of materials through the screen;

[0019] 2. By starting the motor, the rotating shaft can be driven to rotate. At this time, the rotating shaft can drive two eccentric wheels to rotate. Then, due to the eccentric rotation characteristics of the eccentric wheels, the screen can be driven to vibrate, so as to realize the screening operation of the screen on the crushed stones;

[0020] 3. By setting a collection box, it is convenient to receive and collect the small - particle crushed stones sieved out. By setting moving wheels, it is convenient for personnel to move the collection box, improving the convenience of transportation;

[0021] This utility model realizes stable discharge during the screening of crushed stones by the screen through a simple structure, which can ensure the continuous and stable discharge and collection of both large - particle and small - particle crushed stones, prevent the situation of large - particle crushed stones accumulating on the screen, ensure the continuous normal use of the screen, and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is the three - dimensional front view of the structure of this utility model;

[0023] Figure 2 is the three - dimensional rear view of the structure of this utility model;

[0024] Figure 3 is the attached Figure 2 structural schematic diagram of part A in this utility model;

[0025] Figure 4 is the three - dimensional sectional view of the box body structure of this utility model;

[0026] Figure 5 is the three - dimensional view of the screen, the first spring, the sliding plate, the sliding rod, the second spring, the connecting plate and the guide wheel of this utility model.

[0027] In the figure: 1. Box body; 2. Bracket; 3. Feed pipe; 4. Observation window; 5. Screen; 6. Discharge hole; 7. First spring; 8. Sliding plate; 9. Sliding rod; 10. Sliding hole; 11. Second spring; 12. Connecting plate; 13. Guide wheel; 14. Motor; 15. Rotating shaft; 16. Eccentric wheel; 17. Fixed rod; 18. Collection box; 19. Moving wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] 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 of the embodiments. Embodiment

[0029] Refer to Figures 1-5 , a cement stabilized macadam layer recycling and screening device, including a box body 1, and the screening device further includes:

[0030] Two brackets 2, the tops of the two brackets 2 are respectively fixedly installed on the left side and the right side of the box body 1;

[0031] A feed pipe 3, the bottom end of the feed pipe 3 is fixedly communicated with the top of the box body 1;

[0032] A screen 5, the screen 5 is arranged inside the box body 1, a discharge hole 6 is opened on the right inner wall of the box body 1, the right end of the screen 5 penetrates through the discharge hole 6 and is slidably connected with the inner wall of the discharge hole 6, and two first springs 7 are fixedly installed on the bottom inner wall of the discharge hole 6, and the bottom ends of the two first springs 7 are fixedly installed on the bottom of the screen 5;

[0033] A transmission assembly, the transmission assembly includes: two sliding plates 8, two sliding rods 9, two second springs 11, and a connecting plate 12. The tops of the two sliding plates 8 are fixedly installed on the bottom of the screen 5. The rear side of the sliding plate 8 is in sliding contact with the rear inner wall of the box body 1. Two sliding holes 10 are opened on the rear inner wall of the box body 1. The front end of the sliding rod 9 penetrates through the corresponding sliding hole 10 and is fixedly installed on the rear side of the corresponding sliding plate 8. The left end and the right end of the connecting plate 12 are respectively fixedly installed on the two sliding rods 9. The bottom end of the second spring 11 is fixedly installed on the bottom inner wall of the corresponding sliding hole 10, and the top end of the second spring 11 is fixedly installed on the bottom of the corresponding sliding rod 9;

[0034] A vibration assembly, the vibration assembly is arranged on the box body 1, and the vibration assembly is respectively matched with the screen 5 and the connecting plate 12.

[0035] With the above structure: By setting the inclined screen 5, it is convenient for the crushed stones to move forward to the front side of the box body 1, and by opening the discharge hole 6 on the front inner wall of the box body 1, it is convenient for the screen 5 to discharge the screened large-particle crushed stones to the outside of the box body 1, which can avoid the accumulation of large-particle crushed stones above the screen 5, ensure the continuous normal use of the screen 5, and at the same time, the discharge hole 6 is convenient for personnel to use tools to extend into the box body 1 to clean the blocked screen 5, ensuring the smooth feeding of the screen 5.

[0036] As a preferred solution of the present invention, an observation window 4 is opened on the left side of the box body 1. By setting the observation window 4, it is convenient to observe the screening situation of the crushed stones and the use situation of the screen 5, and it is convenient for personnel to maintain the screen 5 in time.

[0037] As a preferred solution of the present utility model, the vibration assembly includes a motor 14, a rotating shaft 15, two eccentric wheels 16 and a fixed rod 17. The front end of the fixed rod 17 is fixedly installed on the rear side of the box body 1, the top end of the fixed rod 17 is fixedly installed at the bottom of the motor 14, the output shaft of the motor 14 is fixedly installed at the rear end of the rotating shaft 15, the front end of the rotating shaft 15 penetrates through the box body 1 and is rotatably connected to the box body 1. The two eccentric wheels 16 are both fixedly sleeved on the rotating shaft 15, and the two eccentric wheels 16 are respectively matched with the bottom of the screen 5 and the bottom of the connecting plate 12. By starting the motor 14, the rotating shaft 15 can be driven to rotate. At this time, the rotating shaft 15 can drive the two eccentric wheels 16 to rotate. At this time, due to the eccentric rotation characteristics of the eccentric wheels 16, the screen 5 can be driven to vibrate, so that the screening operation of the crushed stones by the screen 5 can be realized.

[0038] As a preferred solution of the present utility model, guide wheels 13 are rotatably connected to the bottom of the connecting plate 12 and the bottom of the screen 5. The guide wheels 13 are in rolling connection with the corresponding eccentric wheels 16. By providing the rolling cooperation between the guide wheels 13 and the eccentric wheels 16, it is convenient to connect and transmit between the eccentric wheels 16 and the screen 5.

[0039] As a preferred solution of the present utility model, a collection box 18 is provided below the box body 1. The collection box 18 corresponds to the bottom end of the box body 1. By providing the collection box 18, it is convenient to receive and collect the small-particle crushed stones after screening.

[0040] As a preferred solution of the present utility model, moving wheels 19 are fixedly installed at the four corners of the bottom of the collection box 18. By providing the moving wheels 19, it is convenient for personnel to move the collection box 18 and improve the convenience of transportation.

[0041] It should be noted that: for the specific model of the motor 14 used, those skilled in the relevant art can select it by themselves, and the above description of the motor 14 belongs to the prior art, so this solution will not be elaborated.

[0042] Working principle of the utility model: When in use, first connect the motor 14 to an external power supply, then put crushed stones into the interior of the box body 1 through the feed pipe 3, and then start the motor 14 to drive the rotating shaft 15 to rotate. At this time, the rotating shaft 15 can drive the two eccentric wheels 16 to rotate. Then, through the roller cooperation between the eccentric rotation characteristics of the eccentric wheels 16 and the guide wheels 13, it can drive the connecting plate 12, the sliding rod 9, the sliding plate 8 and the sieve mesh 5 to vibrate up and down. At this time, the screening operation of the crushed stones by the sieve mesh 5 can be realized. Here, by setting the inclined sieve mesh 5, it is convenient for the crushed stones to move towards the front side of the box body 1, and by opening a discharge hole 6 on the inner wall of the front side of the box body 1, it is convenient for the sieve mesh 5 to discharge the large-particle crushed stones screened out to the outside of the box body 1, which can avoid the accumulation of large-particle crushed stones above the sieve mesh 5 and ensure the continuous normal use of the sieve mesh 5. At the same time, the discharge hole 6 is convenient for personnel to use tools to reach into the interior of the box body 1 to clean the blocked sieve mesh 5 and ensure the smoothness of the material discharge of the sieve mesh 5. And by setting the collection box 18, it is convenient to receive and collect the small-particle crushed stones screened out. By setting the moving wheels 19, it is convenient for personnel to move the collection box 18 and improve the convenience of transportation.

[0043] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the utility model.

Claims

1. Recycling and screening device for cement stabilized macadam layer, including a box body (1), characterized in that, The screening device further includes: Supports (2), two of them are provided, and the tops of the two supports (2) are respectively fixedly installed on the left side and the right side of the box body (1); A feed pipe (3), the bottom end of the feed pipe (3) is fixedly communicated with the top of the box body (1); A sieve mesh (5), the sieve mesh (5) is arranged inside the box body (1), a discharge hole (6) is opened on the right inner wall of the box body (1), the right end of the sieve mesh (5) penetrates through the discharge hole (6) and is slidably connected with the inner wall of the discharge hole (6), and two first springs (7) are fixedly installed on the bottom inner wall of the discharge hole (6), and the bottom ends of the two first springs (7) are both fixedly installed on the bottom of the sieve mesh (5); A transmission assembly, the transmission assembly includes: two sliding plates (8), two sliding rods (9), two second springs (11), and a connecting plate (12). The tops of the two sliding plates (8) are both fixedly installed on the bottom of the sieve mesh (5). The rear side of the sliding plate (8) is in sliding contact with the rear inner wall of the box body (1). Two sliding holes (10) are opened on the rear inner wall of the box body (1). The front end of the sliding rod (9) penetrates through the corresponding sliding hole (10) and is fixedly installed on the rear side of the corresponding sliding plate (8). The left end and the right end of the connecting plate (12) are respectively fixedly installed on the two sliding rods (9). The bottom end of the second spring (11) is fixedly installed on the bottom inner wall of the corresponding sliding hole (10), and the top end of the second spring (11) is fixedly installed on the bottom of the corresponding sliding rod (9); A vibration assembly, the vibration assembly is arranged on the box body (1), and the vibration assembly cooperates with the sieve mesh (5) and the connecting plate (12) respectively.

2. The recycled screening device for cement stabilized macadam layer according to claim 1, characterized in that, An observation window (4) is opened on the left side of the box body (1).

3. The cement stabilized macadam layer recycling and screening device according to claim 1, characterized in that, The vibration assembly includes a motor (14), a rotating shaft (15), two eccentric wheels (16) and a fixed rod (17). The front end of the fixed rod (17) is fixedly installed on the rear side of the box body (1). The top end of the fixed rod (17) is fixedly installed on the bottom of the motor (14). The output shaft of the motor (14) is fixedly installed on the rear end of the rotating shaft (15). The front end of the rotating shaft (15) penetrates through the box body (1) and is rotatably connected with the box body (1). The two eccentric wheels (16) are both fixedly sleeved on the rotating shaft (15), and the two eccentric wheels (16) cooperate with the bottom of the sieve mesh (5) and the bottom of the connecting plate (12) respectively.

4. The recycled screening device for cement stabilized macadam layer according to claim 3, characterized in that, Guide wheels (13) are rotatably connected to the bottom of the connecting plate (12) and the bottom of the sieve mesh (5), and the guide wheels (13) are in rolling connection with the corresponding eccentric wheels (16).

5. The cement stabilized macadam layer recycling and screening device according to claim 1, characterized in that A collection box (18) is arranged below the box body (1), and the collection box (18) corresponds to the bottom end of the box body (1).

6. The cement stabilized macadam layer recycling and screening device according to claim 5, wherein, Moving wheels (19) are fixedly installed at the four corner positions of the bottom of the collection box (18).

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