Crushing device for recycled asphalt mixture
By designing an automatic screening and conveying system, the problem of manual collection and re-conveyance of recycled asphalt mixture crushing equipment was solved, realizing the automated screening and crushing process and reducing the physical exertion of workers.
Patent Information
- Application Number
- CN202422691597.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing recycled asphalt mixture crushing equipment requires manual collection and re-transport after screening, which not only increases the number of operating steps but also increases the physical exertion of workers.
A crushing device is designed, comprising a shell, a through-hole, a discharge plate, a secondary crushing component, a primary crushing component, a fixed frame, a screen plate, a screw conveyor component, and a drive motor. The motor drives the rotating shaft to vibrate and screen the cam and concave discs, and uses a chain and sprocket transmission system to automatically convey unqualified materials to the primary crushing component for further crushing.
It achieves automatic screening and re-crushing, reducing manual operation steps and lowering the physical exertion of staff.
Smart Images

Figure CN223587311U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to crushing device technical field especially relates to a crushing device of recycled asphalt mixture. BACKGROUND
[0002] The recycled asphalt mixture is a kind of pavement material that old asphalt pavement material is recycled, handled and re-mixed with new asphalt binder, aggregate and the like according to certain proportion.
[0003] Chinese patent discloses a kind of recycled asphalt mixture, and the announcement number is CN 115073061 B, when producing, basalt aggregate and mineral powder will be added in mixture, when basalt aggregate and mineral powder are processed, crushing device needs to be used, such as a kind of recycled asphalt mixture production crushing device in prior art, through the top surface of box body fixedly connected with pretreatment box, pretreatment box is internally provided with pretreatment mechanism, box body is internally provided with crushing mechanism, and crushing mechanism includes crushing part.The recycled asphalt mixture production crushing device is set back to frame, rotating shaft, vertical rod, disc, sleeve, connecting rod and filter plate, utilizes aluminum plate, and large block mixture is screened out, double-head motor is started, and the right side output shaft of double-head motor drives disc and rotating rod rotation, makes back to frame and vertical rod move up and down, utilizes connecting rod, and makes filter plate shake left and right, to avoid filter plate blockage;Through the setting of motor, first knock block, rotating block and second knock block, motor is started, and motor drives rotating block and first knock block rotation, so that first knock block and second knock block preliminarily crush the mixture, to improve crushing efficiency.
[0004] However, the device still needs the user to manually collect the asphalt mixture on the screen plate after screening the crushed asphalt mixture, and then convey it to the inside of the crushing device for crushing again, which not only increases the operation steps, but also increases the physical consumption of workers.
[0005] Therefore, it is necessary to provide a crushing device for recycled asphalt mixture to solve the above technical problems. UTILITY MODEL CONTENT
[0006] The utility model provides a kind of crushing device for recycled asphalt mixture, solve the problem that need manually collect the asphalt mixture after screening, and then convey it to crushing assembly for crushing, not only increase operation step, also increase the physical consumption of workers.
[0007] To solve the above technical problems, the utility model provides a kind of crushing device for recycled asphalt mixture, comprising:
[0008] housing, the side of the housing is fixedly installed with the penetration, the inside of the other side of the housing is fixedly installed with the discharge plate;
[0009] A secondary crushing assembly is arranged inside the other side of the shell;
[0010] A primary crushing assembly is fixedly installed on the top of the shell, and one side of the primary crushing assembly is fixedly installed with a feeding plate;
[0011] A fixed frame is arranged on the inner side of the through hole, and the inner side of the fixed frame is fixedly installed with a sieve plate, one end of the fixed frame is fixedly installed with a material collecting frame, and both ends of the bottom of the fixed frame are fixedly installed with spring telescopic rods, and the bottom of the spring telescopic rods is fixedly installed on the bottom of the inner side of the through hole;
[0012] A protective frame is fixedly installed on one side of the shell, the bottom of the inner side of the protective frame is fixedly installed with a driving motor, the output end of the driving motor is fixedly installed with a rotating shaft, the top of the rotating shaft is fixedly installed with a convex disc, the top of the convex disc is provided with a concave disc, the concave disc is fixedly installed on the bottom of the fixed frame, the outer side of the rotating shaft is fixedly installed with a driving sprocket, the outer side of the driving sprocket is engaged with a chain, one end of the inner side of the chain is engaged with a driven sprocket, and the inside of the driven sprocket is fixedly installed with a connecting shaft;
[0013] A spiral conveying assembly is arranged on the other side of the shell, the top of one side of the spiral conveying assembly is fixedly installed with a discharge pipe, the output end of the discharge pipe is arranged on the top of the feeding plate, the bottom of one side of the spiral conveying assembly is fixedly installed with a feeding pipe, the feeding pipe is fixedly installed on one side of the material collecting frame, and the input end of the spiral conveying assembly is fixedly installed on the top of the connecting shaft.
[0014] Preferably, the fixed frame is located on the top of the discharge plate and the bottom of the secondary crushing assembly, and the sieve plate is arranged on the inner side of the shell.
[0015] Preferably, the top of the fixed plate is fixedly installed with a spring, and the top of the spring is fixedly installed on the bottom of the fixed frame.
[0016] Preferably, the driven sprocket, the chain and the driving sprocket are arranged on the inner side of the protective frame, and the bottom of the connecting shaft is rotatably connected to the bottom of the inner side of the protective frame.
[0017] Preferably, the outer side of the spiral conveying assembly is fixedly installed with a fixed plate, and the fixed plate is fixedly installed on one side of the shell.
[0018] Preferably, the front of the shell is provided with an observation slot, and the inner side of the observation slot is fixedly provided with an observation window.
[0019] Preferably, the front of the observation window is provided with a plurality of protective frames, and the plurality of protective frames are fixedly installed on the front of the shell.
[0020] Compared with the related art, the crushing device for the recycled asphalt mixture has the following beneficial effects:
[0021] The crushing device for the recycled asphalt mixture drives the rotating shaft to rotate by the driving motor, drives the fixed frame to vibrate up and down by the rotating convex disc at the bottom of the concave disc, screens the unqualified recycled asphalt mixture on the screen plate, and then conveys the unqualified recycled asphalt mixture to the inner side of the spiral conveying assembly. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The first embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view.
[0023] Figure 2 The first embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view. Figure 1 The shell cross-section structure schematic view is shown.
[0024] Figure 3 The first embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view. Figure 2 The A part enlarged schematic view is shown.
[0025] Figure 4 The first embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view. Figure 3 The convex disc overhead structure schematic view is shown.
[0026] Figure 5 The first embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view. Figure 3 The concave disc bottom structure schematic view is shown.
[0027] Figure 6 The second embodiment of the crushing device for the recycled asphalt mixture is a structure schematic view.
[0028] The figure label: 1, the shell, 11, the through port, 12, the discharge plate, 2, the secondary crushing assembly, 3, the primary crushing assembly, 31, the feeding plate, 4, the fixed plate, 41, the spring, 42, the fixed frame, 43, the sieve plate, 44, the material collecting frame, 45, the spring telescopic rod, 5, the protection frame, 51, the driving motor, 52, the rotating shaft, 53, the driving sprocket, 54, the chain, 55, the driven sprocket, 56, the connecting shaft, 6, the convex disc, 61, the concave disc, 7, the spiral conveying assembly, 71, the feeding pipe, 72, the discharge pipe, 73, the fixed plate, 8, the observation groove, 81, the observation window, 82, the protection frame. DETAILED DESCRIPTION
[0029] The utility model will be further described below in combination with the drawings and embodiments. EMBODIMENT
[0030] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 Among them, Figure 1 It is the structure diagram of the first embodiment of the broken device of the recycled asphalt mixture provided by the utility model, Figure 2 It is the sectional structure diagram of the shell shown in Figure 1 , Figure 3 It is the enlarged diagram of A shown in Figure 2 , Figure 4 It is the overhead structure diagram of the convex disc shown in Figure 3 , Figure 5 It is the bottom structure diagram of the concave disc shown in Figure 3 The broken device of recycled asphalt mixture, including: the shell 1, the through port 11 is fixedly installed on one side of the shell 1, the discharge plate 12 is fixedly installed in the inside of the other side of the shell 1,
[0031] Secondary crushing assembly 2, the secondary crushing assembly 2 is arranged in the inside of the other side of the shell 1,
[0032] Primary crushing assembly 3, the primary crushing assembly 3 is fixedly installed on the top of the shell 1, and the feeding plate 31 is fixedly installed on one side of the primary crushing assembly 3,
[0033] Fixed frame 42, the fixed frame 42 is arranged on the inner side of the through port 11, the sieve plate 41 is fixedly installed on the inner side of the fixed frame 42, the material collecting frame 44 is fixedly installed on one end of the fixed frame 42, the spring telescopic rod 45 is fixedly installed on both ends of the bottom of the fixed frame 42, and the bottom of the spring telescopic rod 45 is fixedly installed on the bottom of the inner side of the through port 11,
[0034] A protection frame 5 is fixedly installed on one side of the shell 1, a driving motor 51 is fixedly installed on the bottom of the inner side surface of the protection frame 5, a rotating shaft 52 is fixedly installed on the output end of the driving motor 51, a convex disc 6 is fixedly installed on the top of the rotating shaft 52, a concave disc 61 is arranged on the top of the convex disc 6, the concave disc 61 is fixedly installed on the bottom of the fixed frame 42, a driving sprocket 53 is fixedly installed on the outer side surface of the rotating shaft 52, a chain 54 is engaged with the outer side surface of the driving sprocket 53, a driven sprocket 55 is engaged with one end of the inner side surface of the chain 54, and a connecting shaft 56 is fixedly installed in the driven sprocket 55.
[0035] A spiral conveying assembly 7 is arranged on the other side of the shell 1, a discharge pipe 72 is fixedly installed on the top of one side of the spiral conveying assembly 7, the output end of the discharge pipe 72 is arranged on the top of the feeding plate 31, a feeding pipe 71 is fixedly installed on the bottom of one side of the spiral conveying assembly 7, and the feeding pipe 71 is fixedly installed on one side of the material collecting frame 44.
[0036] The secondary crushing assembly 2 comprises two crushing shafts, two transmission gears and a motor. When in use, the motor drives one of the transmission gears to rotate, and then drives the other transmission gear to rotate through one of the transmission gears, so that the two transmission gears drive the two crushing shafts to rotate towards the middle, thereby crushing the recycled asphalt mixture;
[0037] The primary crushing assembly 3 comprises a crushing frame, a conical crushing head and a motor. When in use, the motor drives the conical crushing head to rotate on the inner side surface of the crushing frame, thereby crushing the recycled asphalt mixture;
[0038] The fixed frame 42 is installed in an inclined state on the inner side surface of the shell 1. After crushing, the recycled asphalt mixture falls on the upper surface of the sieve plate 43, and is driven to vibrate by the vibration of the fixed frame 42, thereby screening the recycled asphalt mixture. The unqualified recycled asphalt mixture enters the inner side surface of the material collecting frame 44, and then enters the inner side surface of the spiral conveying assembly 7 through the feeding pipe 71. The feeding pipe 71 is a flexible pipe;
[0039] The top of the convex disc 6 is provided with a plurality of arc-shaped protrusions, and the bottom of the concave disc 61 is provided with a plurality of arc-shaped grooves. When in use, the protrusions slide on the inner side surface of the grooves, thereby driving the concave disc 61 to vibrate up and down.
[0040] The fixed frame 42 is located on the top of the discharge plate 12 and the bottom of the secondary crushing assembly 2, and the sieve plate 43 is arranged on the inner side surface of the shell 1.
[0041] The two ends of the other side of the inner side of the shell 1 are fixedly installed with fixed plates 4, the top of the fixed plate 4 is fixedly installed with springs 41, and the top of the spring 41 is fixedly installed on the bottom of the fixed frame 42.
[0042] The driven sprocket 55, the chain 54 and the driving sprocket 53 are arranged on the inner side of the protective frame 5, and the bottom of the connecting shaft 56 is rotatably connected to the bottom of the inner side of the protective frame 5.
[0043] The outer side of the spiral conveying assembly 7 is fixedly installed with a fixed plate 73, and the fixed plate 73 is fixedly installed on one side of the shell 1.
[0044] The working principle of the crushing device for recycled asphalt mixture provided by the utility model is as follows:
[0045] When in use, the user puts the recycled asphalt mixture to be crushed from the feeding plate 31 into the inner side of the primary crushing assembly 3, and then crushes the recycled asphalt mixture by the primary crushing assembly 3, and then conveys the recycled asphalt mixture to the top of the secondary crushing assembly 2, so that the secondary crushing assembly 2 crushes the recycled asphalt mixture again, and then makes the crushed recycled asphalt mixture fall onto the top of the sieve plate 43.
[0046] Then the user starts the driving motor 51, so that the driving motor 51 drives the rotating shaft 52 to rotate, so that the rotating shaft 52 drives the convex disc 6 to rotate at the bottom of the concave disc 61, and the fixed frame 4 is pulled by the spring telescopic rod 45, so that the concave disc 61 is pressed on the top of the convex disc 6, so that the concave disc 61 drives the fixed frame 4 to move up and down, so that the sieve plate 43 screens the recycled asphalt mixture, and the qualified recycled asphalt mixture falls on the top of the discharge plate 12 and is discharged, and the unqualified recycled asphalt mixture is conveyed into the spiral conveying assembly 7 through the collecting frame 44 and the feeding pipe 71, and at the same time, the connecting shaft 56 is driven to rotate by the driving sprocket 53, the chain 54 and the driven sprocket 54, so that the connecting shaft 56 drives the spiral conveying assembly 7 to rotate, so that the unqualified recycled asphalt mixture is conveyed again to the top of the feeding plate 31 through the discharge pipe 72, and the unqualified recycled asphalt mixture is crushed again by the primary crushing assembly 3.
[0047] Compared with the related art, the crushing device for recycled asphalt mixture has the following beneficial effects:
[0048] The drive motor 51 drives the rotating shaft 52 to rotate, which causes the cam 6 to rotate at the bottom of the concave plate 61. This causes the fixed frame 42 to vibrate up and down, screening the unqualified recycled asphalt mixture on the screen plate 43. The mixture is then conveyed to the inner side of the screw conveyor assembly 7. After that, through the transmission of the drive sprocket 53, driven sprocket 55, chain 54 and connecting shaft 56, the screw conveyor assembly 7 is driven to rotate, conveying the unqualified recycled asphalt mixture back to the interior of the primary crushing assembly 3 for further crushing. This eliminates the need for manual collection and secondary crushing of the unqualified recycled asphalt mixture, thus reducing the workload and physical exertion of the workers. Example
[0049] Please refer to the following: Figure 6 Based on the crushing device for recycled asphalt mixture provided in the first embodiment of this application, the second embodiment of this application proposes another crushing device for recycled asphalt mixture. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0050] Specifically, the second embodiment of this application provides a different crushing device for recycled asphalt mixture, wherein the outer shell 1 of the crushing device for recycled asphalt mixture has an observation groove 8 on the front side, and an observation window 81 is fixedly installed on the inner side of the observation groove 8.
[0051] The observation window 81 has multiple protective frames 82 on its front side, and all of the multiple protective frames 82 are fixedly installed on the front side of the outer casing 1.
[0052] The working principle of the crushing device for recycled asphalt mixture provided by this utility model is as follows:
[0053] When in use, the user can observe the sieve plate 43 on the inner side of the outer casing 1 through the observation window 81 installed on the inner side of the observation slot 8, so as to understand the screening situation in a timely manner.
[0054] Compared with related technologies, the crushing device for recycled asphalt mixture provided by this utility model has the following beneficial effects:
[0055] The observation slot 8, observation window 81 and protective frame 82 work together to allow users to easily observe the sieve plate 43 on the inner side of the outer casing 1 through the observation window 81, and the protective frame 82 can protect the observation window 81.
[0056] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.
Claims
1. A crushing device for recycling asphalt mixtures, characterized in that, The utility model provides a two -stage crushing device, including: The shell one side fixed mounting has the through -going mouth, the inside fixed mounting of the shell other side other side has the discharge plate; Secondary crushing assembly, the secondary crushing assembly sets up in the inside of the shell other side other side; Primary crushing assembly, the primary crushing assembly fixed mounting is in the top of the shell, the one side fixed mounting of primary crushing assembly has the feeding plate; Fixed frame, the fixed frame sets up in the inside of the through -going mouth, the inside fixed mounting of fixed frame has the sieve plate, the one end fixed mounting of fixed frame has the material collecting frame, both ends of the bottom of fixed frame all fixed mounting have spring telescopic rod, the bottom fixed mounting of spring telescopic rod is in the bottom of the inside of the through -going mouth, Protective frame, the protective frame fixed mounting is in the one side of the shell, the bottom fixed mounting of the inside of protective frame has the drive motor, the output fixed mounting of drive motor has the rotating shaft, the top fixed mounting of rotating shaft has the convex disc, the top of convex disc sets up the concave disc, the concave disc fixed mounting is in the bottom of fixed frame, the outside fixed mounting of rotating shaft has the driving sprocket, the outside engagement of driving sprocket has the chain, the inside one end engagement of chain has the driven sprocket, the inside fixed mounting of driven sprocket has the connecting shaft, Spiral conveying assembly, the spiral conveying assembly sets up in the other side of the shell, the top fixed mounting of one side of spiral conveying assembly has the discharge pipe, the output of discharge pipe sets up in the top of feeding plate, the bottom fixed mounting of one side of spiral conveying assembly has the feeding pipe, the feeding pipe fixed mounting is in the one side of material collecting frame, the input fixed mounting of spiral conveying assembly is in the top of connecting shaft.
2. A crushing device for recycled asphalt mixtures according to claim 1, characterized in that The fixed frame is located in the top of the discharge plate and the bottom of the secondary crushing assembly, and the sieve plate is arranged on the inner side surface of the shell.
3. A crushing device for recycled asphalt mixtures according to claim 2, characterized in that The other side of the inner side surface of the shell is fixedly provided with a fixed plate at both ends, and the top of the fixed plate is fixedly provided with a spring.
4. A device for crushing recycled asphalt mix according to claim 3, characterised in that, The driven sprocket, the chain and the driving sprocket are arranged on the inner side surface of the protective frame, and the bottom of the connecting shaft is rotatably connected to the bottom of the inner side surface of the protective frame.
5. A crushing device for recycled asphalt mixtures according to claim 4, characterized in that The outer side surface of the spiral conveying assembly is fixedly provided with a fixed plate, and the fixed plate is fixedly arranged on one side of the shell.
6. A device for crushing recycled asphalt mixtures according to claim 1, characterized in that, An observation slot is formed on the front surface of the shell, and an observation window is fixedly arranged on the inner side surface of the observation slot.
7. A crushing device for recycled asphalt mixtures according to claim 6, characterized in that A plurality of protective frames are arranged on the front surface of the shell.
Citation Information
Patent Citations
A recycled asphalt mixture and its preparation method
CN115073061B