Mixing hopper for recycling modified asphalt
By introducing a combination of filter components and crushing rods into the asphalt recycling mixing hopper, the problem of difficult to fully mix old asphalt and new asphalt in the prior art is solved, and a more efficient mixing effect is achieved and the quality of road paving is improved.
Patent Information
- Application Number
- CN202421303554.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing asphalt recycling mixing hopper is difficult to fully mix larger old asphalt with new asphalt during stirring, resulting in reduced road paving effect.
A modified asphalt recycling mixing hopper was designed, using a combination of filter components and crushing rods to filter smaller old bitumen through a filter mesh and use crushing rods to crush larger old bitumen into small pieces for easy mixing with new bitumen.
Through the design of this device, the mixing efficiency between old asphalt and new asphalt is improved, and the mixing effect of larger old asphalt and new asphalt is avoided, which significantly improves the effect of road paving.
Smart Images

Figure CN222575174U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of asphalt recycling and mixing tools, in particular to a mixing hopper used for recycling modified asphalt. Background Art
[0002] A mixing hopper is a device used to recycle asphalt during road construction. Initially, the mixing hopper was a simple device mainly used to mix the shaved old asphalt fragments with new asphalt and then repave the road. Existing asphalt recycling mixing hoppers generally use a stirring device to mix the recycled asphalt and the new asphalt. However, when the existing device mixes the recycled asphalt with the new asphalt, if there is a large amount of old asphalt, it cannot be fully mixed with the new asphalt if the asphalt aggregate is only stirred by the stirring blade, resulting in a reduced effect of repaving the road. Therefore, improvements need to be made based on the above problems. Utility Model Content
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a mixing hopper for modified asphalt recovery.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mixing hopper for modified asphalt recovery, comprising a main body, the four ends of the top surface of the main body are inclined and fixedly connected with guide plates, and a fixed plate is longitudinally provided at the upper end of the main body, the fixed plate is installed on the top surface of the front and rear end guide plates, and cover plates are movably hinged on both sides of the fixed plate, and a filter assembly is provided at the lower end of the main body.
[0005] Preferably, the filter assembly includes a connecting frame horizontally arranged at the lower end of the main body, the inner wall of the connecting frame abuts against the outer side of the main body, and a plurality of equidistant internal threaded pipes are opened on the outer side of the connecting frame, and fixing bolts are provided in the internal threaded pipes, and the fixing bolts are threadedly connected to the connecting frame, and the connecting frame is installed at the lower end of the main body by the fixing bolts.
[0006] Preferably, a filter is horizontally provided inside the connection frame, the outer side of the filter is fixedly connected to the inside of the connection frame, and a stepper motor is provided on the upper end of the filter, the stepper motor is installed in the middle of the top surface of the fixed plate, and a connection port is opened in the middle of the top surface of the fixed plate.
[0007] Preferably, the output shaft of the stepper motor is placed in the connecting port, and a connecting rod is vertically provided at the lower end of the stepper motor, the upper end of the connecting rod is connected to the output shaft of the stepper motor, and the lower end of the connecting rod is fixedly connected to a flange.
[0008] Preferably, a rotating block is fixedly connected to the lower end of the flange, and a plurality of equidistant crushing rods are fixedly connected to the outer side of the rotating block.
[0009] Preferably, the rotating block and the crushing rod are placed inside the main body, and the rotating block and the crushing rod are placed on the upper end of the filter screen.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, through the cooperation of the connecting frame and the filter screen, it is convenient to filter out smaller old asphalt, which is convenient for subsequent mixing with new asphalt; through the cooperation of the cover plate and the fixed plate, it is convenient to crush the old asphalt in the device to avoid other debris being mixed in it, resulting in reduced paving effect; through the cooperation of the rotating block and the breaking rod, it is convenient to crush larger old asphalt, thereby improving the mixing efficiency with new asphalt and avoiding reduced mixing effect of larger old asphalt and new asphalt. The device improves the mixing efficiency of old asphalt and new asphalt. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0012] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above;
[0014] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;
[0015] Figure 4 It is a schematic diagram of the overall internal three-dimensional structure of the utility model.
[0016] Serial numbers in the figure: 1. Main body; 2. Guide plate; 3. Fixed plate; 4. Cover plate; 5. Connecting frame; 6. Fixing bolts; 7. Filter; 8. Stepper motor; 9. Connecting rod; 10. Flange; 11. Rotating block; 12. Breaking rod. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0018] Example: See Figure 1-4The utility model discloses a mixing hopper for the recovery of modified asphalt, comprising a main body 1, through which a guide plate 2 and a connecting frame 5 are conveniently installed; the four ends of the top surface of the main body 1 are fixedly connected with guide plates 2 which are inclined, and the guide plates 2 are convenient for guiding the asphalt; and a fixing plate 3 is longitudinally provided at the upper end of the main body 1, and a stepping motor 8 is conveniently installed through the fixing plate 3; the fixing plate 3 is installed on the top surface of the front and rear end guide plates 2, and cover plates 4 are movably hinged on both sides of the fixing plate 3, and the asphalt is conveniently crushed inside the main body 1 through the cover plate 4; a filter assembly is provided at the lower end of the main body 1; the filter assembly includes a connecting plate 2 which is horizontally arranged at the lower end of the main body 1 Frame 5, filter screen 7 is conveniently installed through connecting frame 5; the inner wall of connecting frame 5 abuts against the outer side of main body 1, and a plurality of equidistant internal threaded pipes are opened on the outer side of connecting frame 5, fixing bolts 6 are arranged in the internal threaded pipes, and connecting frame 5 is conveniently installed through fixing bolts 6; fixing bolts 6 are threadedly connected to connecting frame 5, and connecting frame 5 is installed at the lower end of main body 1 through fixing bolts 6; filter screen 7 is horizontally arranged inside connecting frame 5, and smaller asphalt is conveniently filtered out through filter screen 7; the outer side of filter screen 7 is fixedly connected to the inside of connecting frame 5, and a stepping motor 8 is arranged on the upper end of filter screen 7, and connecting rod 9 is conveniently rotated through stepping motor 8.
[0019] In the utility model, the stepper motor 8 is installed in the middle of the top surface of the fixed plate 3, and a connecting port is opened in the middle of the top surface of the fixed plate 3; the output shaft of the stepper motor 8 is placed in the connecting port, and a connecting rod 9 is vertically provided at the lower end of the stepper motor 8, and the connecting rod 9 is used to facilitate the rotation of the rotating block 11; the upper end of the connecting rod 9 is connected to the output shaft of the stepper motor 8, and a flange 10 is fixedly connected to the lower end of the connecting rod 9, and the flange 10 is used to facilitate the connection between the rotating block 11 and the connecting rod 9; the lower end of the flange 10 is fixedly connected to the rotating block 11, and the breaking rod 12 is convenient to install through the rotating block 11; a plurality of equidistant breaking rods 12 are fixedly connected to the outside of the rotating block 11, and the breaking rod 12 is used to facilitate the breaking of asphalt; the rotating block 11 and the breaking rod 12 are placed inside the main body 1, and the rotating block 11 and the breaking rod 12 are placed on the upper end of the filter 7.
[0020] Working principle: When the utility model is used, firstly, the connecting frame 5 is installed on the lower end of the main body 1 through the fixing bolts 6, and then the main body 1 is placed at the feed port of the asphalt recovery device, and then the stepper motor 8 is installed in the middle of the top surface of the fixing plate 3, and then the stepper motor 8 is connected with the wire and powered on; the stepper motor 8 is started, the cover plate 4 is opened, and the recovered asphalt is poured into the main body 1, and then the cover plate 4 is closed, and connected to the output shaft of the stepper motor 8 through the connecting rod 9. When the stepper motor 8 is started, the connecting rod 9 is rotated, and the rotating block 11 and the connecting rod 9 are connected through the flange 10, so as to control the rotation of the rotating block 11, and then the crushing rod 12 is controlled to revolve around the rotating block 11. When the recovered asphalt is poured into the interior of the main body 1, when the length of the asphalt is less than the filter port diameter of the filter screen 7, the asphalt will directly fall into the asphalt recovery device; when the length of the asphalt is greater than the filter port diameter of the filter screen 7, the asphalt will remain in the main body 1, and the asphalt will be broken into multiple small pieces of asphalt by the crushing rod 12, so as to fall into the asphalt recovery device; when the asphalt is completely broken, the stepper motor 8 is powered off.
[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A mixing hopper for modified asphalt recovery, comprising a main body (1), characterized in that: The four ends of the top surface of the main body (1) are fixedly connected with guide plates (2) at an angle, and a fixing plate (3) is longitudinally provided at the upper end of the main body (1). The fixing plate (3) is installed on the top surfaces of the front and rear end guide plates (2), and cover plates (4) are movably hinged on both sides of the fixing plate (3). A filter assembly is provided at the lower end of the main body (1).
2. A mixing hopper for modified asphalt recovery according to claim 1, characterized in that: The filter assembly comprises a connection frame (5) horizontally arranged at the lower end of the main body (1), the inner wall of the connection frame (5) abuts against the outer side of the main body (1), and a plurality of equidistant internal threaded pipes are opened on the outer side of the connection frame (5), and fixing bolts (6) are arranged in the internal threaded pipes, and the fixing bolts (6) are threadedly connected to the connection frame (5), and the connection frame (5) is installed at the lower end of the main body (1) through the fixing bolts (6).
3. A mixing hopper for modified asphalt recovery according to claim 2, characterized in that: A filter screen (7) is horizontally arranged inside the connection frame (5), the outer side of the filter screen (7) is fixedly connected to the inside of the connection frame (5), and a stepper motor (8) is arranged at the upper end of the filter screen (7), and the stepper motor (8) is installed in the middle of the top surface of the fixing plate (3), and a connection port is opened in the middle of the top surface of the fixing plate (3).
4. A mixing hopper for modified asphalt recovery according to claim 3, characterized in that: The output shaft of the stepper motor (8) is placed in the connection port, and a connecting rod (9) is vertically arranged at the lower end of the stepper motor (8), the upper end of the connecting rod (9) is connected to the output shaft of the stepper motor (8), and the lower end of the connecting rod (9) is fixedly connected with a flange (10).
5. A mixing hopper for modified asphalt recovery according to claim 4, characterized in that: A rotating block (11) is fixedly connected to the lower end of the flange (10), and a plurality of equidistant crushing rods (12) are fixedly connected to the outer side of the rotating block (11).
6. A mixing hopper for modified asphalt recovery according to claim 5, characterized in that: The rotating block (11) and the crushing rod (12) are placed inside the main body (1), and the rotating block (11) and the crushing rod (12) are placed on the upper end of the filter screen (7).