Crushing and screening device for asphalt regeneration

Abstract

The utility model discloses a crushing and screening device for asphalt regeneration, which comprises a crushing box, and the lower end of the crushing box is connected with a melting box; the asphalt crushing device is reasonable in structure and novel in design, when the asphalt crushing device is used, asphalt is added into the crushing box, the first motor is started, the crushing rollers are driven to rotate, the asphalt entering the crushing box is crushed through the pair of crushing rollers, the crushed asphalt falls on the filter plate, the asphalt is screened through the filter plate, and the electric push rod is started; and under the action of a second motor, a spiral auger is rotated, and the molten asphalt is extruded and discharged from the discharging opening. The device is simple in structure, convenient to operate and high in screening efficiency, screened asphalt falls into a melting box through a discharging opening, the asphalt is molten, and asphalt waste residues are made to be liquid, so that follow-up use is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete production, in particular to a crushing and screening device for asphalt regeneration. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture made by artificially selecting mineral materials with a certain graded composition, such as crushed stone or crushed gravel, stone chips or sand, mineral powder, etc., and a certain proportion of road asphalt materials, under strictly controlled conditions.

[0003] At present, in order to improve the utilization of resources, asphalt waste is also used in the production of asphalt concrete, but the asphalt waste needs to be processed so that its particle size meets the requirements and is convenient for adding to the ingredients of asphalt concrete in proportion; in the prior art, generally all the asphalt waste is directly crushed by a crusher or a pulverizer to make the particle size of the asphalt waste meet the requirements, the processing volume is large, it is time-consuming and labor-intensive, and the crushing efficiency is low. Utility Model Content

[0004] In view of the shortcomings of the prior art, a crushing and screening device for asphalt regeneration is disclosed, which includes a crushing box, and a melting box is connected to the lower end of the crushing box;

[0005] The crushing box is provided with a crushing structure, and the crushing structure includes crushing rollers symmetrically arranged in the crushing box, the front and rear ends of the crushing rollers are rotatably arranged on the front and rear walls of the crushing box, the rear ends of the crushing rollers are rotated through the rear wall of the crushing box through the connecting shaft, the rear ends of the connecting shafts are fixedly connected with gears, a pair of the gears are meshed and connected, one of the gears is connected to a first motor, and the first motor is installed on the rear wall of the crushing box;

[0006] A filter plate is arranged at the lower end of the crushing roller.

[0007] Preferably, the left and right side walls of the crushing box are provided with slide grooves, and the filter plate is slidably arranged in the slide grooves.

[0008] Preferably, the left and right side walls of the crushing box are provided with installation grooves, a push rod is slidably arranged in the installation groove, the push rod slides through the side wall of the crushing box and enters the slide groove, the side wall of the installation groove is provided with a card slot, a card block is slidably arranged in the card slot, and the card block is fixed on the push rod.

[0009] Preferably, a slide bar is provided in the installation groove for sliding left and right, a ladder block is provided near the end of the slide bar near the top rod, an electric push rod is installed at the end of the slide bar away from the ladder block, and the electric push rod is installed on the side wall of the crushing box.

[0010] Preferably, the lower wall of the push rod is an arc-shaped structure.

[0011] Preferably, a spiral auger is provided in the melting box, one end of the spiral auger is rotatably arranged on the side wall of the melting box, and the other end of the spiral auger rotates and penetrates the side wall of the melting box. The end of the spiral auger penetrating the melting box is connected to a second motor, and the second motor is installed on the side wall of the melting box.

[0012] Preferably, the melting box is provided with a plurality of filtering holes away from the second motor surface.

[0013] Preferably, the lower wall of the crushing box is provided with a discharge port connected to the melting box.

[0014] The utility model has the following beneficial effects: the utility model has a reasonable structure and a novel design. When in use, asphalt is added into a crushing box, and the first motor is started to drive the crushing roller to rotate. The asphalt entering the crushing box is crushed by a pair of crushing rollers, and the crushed asphalt falls on a filter plate, and the asphalt is screened by the filter plate. The electric push rod is started to vibrate the filter plate to improve the screening. The screened asphalt falls into the melting box through the discharge port, and the asphalt is melted, and the asphalt waste residue is liquidized for subsequent use. Under the action of the second motor, the spiral auger is rotated to squeeze and discharge the melted asphalt from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic front view of the utility model;

[0016] Figure 2 for Figure 1 A is an enlarged diagram;

[0017] Figure 3 It is a schematic top view of the utility model.

[0018] In the figure: 1-crushing box, 2-melting box, 3-crushing roller, 4-connecting shaft, 5-gear, 6-first motor, 7-filter plate, 8-chute, 9-mounting slot, 10-top rod, 11-slot, 12-block, 13-slide, 14-trapezoidal block, 15-electric push rod, 16-screw auger, 17-second motor, 18-filter hole, 19-discharging port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3, a crushing and screening device for asphalt regeneration, comprising a crushing box 1, a feed port is arranged on the crushing box 1, and a melting box 2 is connected to the lower end of the crushing box 1;

[0021] A crushing structure is arranged in the crushing box 1, and the crushing structure includes crushing rollers 3 which are symmetrically arranged in the crushing box 1. The front and rear ends of the crushing rollers 3 are rotatably arranged on the front and rear walls of the crushing box 1. The rear ends of the crushing rollers 3 are rotatably arranged through the rear wall of the crushing box 1 through the connecting shaft 4. The rear ends of the connecting shaft 4 are fixedly connected with gears 5. A pair of gears 5 are meshed and connected. One of the gears 5 is connected with a first motor 6, and the first motor 6 is installed on the rear wall of the crushing box 1.

[0022] like Figure 1 , 3 As shown, the first motor 6 is started, and the first motor 6 drives the left gear 5 to rotate clockwise, thereby causing the right gear 5 to rotate counterclockwise, thereby driving the crushing roller 3 to rotate, and the asphalt entering the crushing box 1 is crushed by the pair of crushing rollers 3;

[0023] A filter plate 7 is arranged at the lower end of the crushing roller 3, and a slide groove 8 is provided on the left and right side walls of the crushing box 1. The filter plate 7 is slidably arranged in the slide groove 8 up and down. The left and right side walls of the crushing box 1 are provided with mounting grooves 9, and a push rod 10 is slidably arranged in the mounting groove 9 up and down. The lower wall of the push rod 10 is an arc-shaped structure. The push rod 10 slides through the side wall of the crushing box 1 and enters the slide groove 8. A card slot 11 is provided on the side wall of the mounting groove 9, and a card block 12 is slidably arranged in the card slot 11. The card block 12 is fixed on the push rod 10. A slide rod 13 is slidably arranged in the mounting groove 9 left and right. A ladder block 14 is provided at the end of the slide rod 13 close to the push rod 10, and an electric push rod 15 is installed at the end of the slide rod 13 away from the ladder block 14. The electric push rod 15 is installed on the side wall of the crushing box 1;

[0024] The crushed asphalt falls on the filter plate 7, and the asphalt is screened by the filter plate 7. At the same time, the electric push rods 15 on both sides are started, and the electric push rods 15 drive the sliding rods 13 to move toward the push rod 10. Due to the bevel structure of the ladder block 14, when the ladder block 14 is close to the push rod 10, the push rod 10 can be lifted up, so that the filter plate 7 moves up. When the ladder block 14 is away from the push rod 10, the push rod 10 can be lowered. With the telescopic mechanical movement of the electric push rod 15, the filter plate 7 can be vibrated up and down to improve the filtering effect. Through the cooperation of the clamping block 12 and the clamping slot 11, the push rod 10 is limited.

[0025] A spiral auger 16 is arranged in the melting box 2, one end of the spiral auger 16 is rotatably arranged on the side wall of the melting box 2, and the other end of the spiral auger 16 is rotatably penetrated through the side wall of the melting box 2, and the end of the spiral auger 16 penetrating the melting box 2 is connected to a second motor 17, and the second motor 17 is installed on the side wall of the melting box 2, and a plurality of filtering holes 18 are provided on the surface of the melting box 2 away from the second motor 17, and a discharge port 19 connected to the melting box 2 is provided on the lower wall of the crushing box 1;

[0026] The screened asphalt falls into the melting box 2 through the discharge port 19 to be melted. The melting box 2 is a well-known device to those skilled in the art, and the specific model and working principle are not described in detail here. The second motor 17 is started, and the second motor 17 drives the spiral auger 16 to rotate. The material melted in the melting box 2 gradually moves to the right under the action of the spiral auger 16 and is squeezed on the right side wall of the melting box 2, so that the asphalt is discharged from the filter hole 18.

[0027] Embodiment: When in use, asphalt is added into the crushing box 1, and the first motor 6 is started. The first motor 6 drives the gear 5 on the left to rotate clockwise, thereby causing the gear 5 on the right to rotate counterclockwise, and then drives the crushing roller 3 to rotate. The asphalt entering the crushing box 1 is crushed by a pair of crushing rollers 3, and the crushed asphalt falls on the filter plate 7. The asphalt is screened by the filter plate 7, and the electric push rod 15 is started to vibrate the filter plate 7 to improve the screening. The screened asphalt falls into the melting box 2 through the discharge port 19 to melt the asphalt and liquidize the asphalt particles for subsequent use. Under the action of the second motor 17, the spiral auger 16 is rotated to squeeze the melted asphalt out of the discharge port 19, and the filter holes can filter and remove impurities from the liquid asphalt.

[0028] In the description of this solution, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", and "communication" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal communication of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crushing and screening device for asphalt regeneration, characterized in that: It comprises a crushing box (1), the lower end of which is connected to a melting box (2); The crushing box (1) is provided with a crushing structure, the crushing structure comprising crushing rollers (3) symmetrically arranged in the crushing box (1), the front and rear ends of the crushing rollers (3) are rotatably arranged on the front and rear walls of the crushing box (1), the rear ends of the crushing rollers (3) are rotatably passed through the rear wall of the crushing box (1) through the connecting shaft (4), the rear ends of the connecting shaft (4) are fixedly connected with gears (5), a pair of the gears (5) are meshingly connected, one of the gears (5) is connected to a first motor (6), and the first motor (6) is installed on the rear wall of the crushing box (1); A filter plate (7) is provided at the lower end of the crushing roller (3).

2. The crushing and screening device for asphalt regeneration according to claim 1, characterized in that: The left and right side walls of the crushing box (1) are provided with sliding grooves (8), and the filter plate (7) is slidably arranged in the sliding grooves (8) up and down.

3. The crushing and screening device for asphalt regeneration according to claim 1, characterized in that: The left and right side walls of the crushing box (1) are both provided with mounting grooves (9), a push rod (10) is slidably arranged in the mounting groove (9), the push rod (10) slides through the side wall of the crushing box (1) and enters the slide groove (8), the side wall of the mounting groove (9) is provided with a clamping groove (11), a clamping block (12) is slidably arranged in the clamping groove (11), and the clamping block (12) is fixed on the push rod (10).

4. The crushing and screening device for asphalt regeneration according to claim 3, characterized in that: A slide bar (13) is provided in the installation groove (9) for sliding left and right, a ladder block (14) is provided at the end of the slide bar (13) close to the top rod (10), an electric push rod (15) is installed at the end of the slide bar (13) away from the ladder block (14), and the electric push rod (15) is installed on the side wall of the crushing box (1).

5. The crushing and screening device for asphalt regeneration according to claim 4, characterized in that: The lower wall of the top rod (10) is an arc-shaped structure.

6. The crushing and screening device for asphalt regeneration according to claim 1, characterized in that: A spiral auger (16) is arranged in the melting box (2), one end of the spiral auger (16) is rotatably arranged on the side wall of the melting box (2), and the other end of the spiral auger (16) is rotatably penetrated through the side wall of the melting box (2). The end of the spiral auger (16) penetrating the melting box (2) is connected to a second motor (17), and the second motor (17) is installed on the side wall of the melting box (2).

7. The crushing and screening device for asphalt regeneration according to claim 1, characterized in that: The melting box (2) is provided with a plurality of filtering holes (18) on a surface away from the second motor (17).

8. The crushing and screening device for asphalt regeneration according to claim 1, characterized in that: The lower wall of the crushing box (1) is provided with a discharge port (19) which is in communication with the melting box (2).

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