Multiple crushing device for asphalt concrete raw materials

Abstract

The utility model relates to the technical field of smashing devices, and discloses an asphalt concrete raw material multiple smashing device which comprises a shell, a screening assembly is arranged on the bottom side of the shell and used for screening aggregate particles, and a first rotating shaft and a second rotating shaft are rotationally connected into the shell. A plurality of smashing blades which are evenly distributed are fixedly connected to the periphery of the first rotating shaft, a friction plate is fixedly connected to the interior of the top side of the shell and arranged on the left portions of the smashing blades, and a plurality of installation discs which are evenly distributed are fixedly connected to the periphery of the second rotating shaft. According to the aggregate crushing device, the plurality of crushing blades and the plurality of hammer heads can crush the two sides of aggregate, the aggregate can be fully crushed through two-time crushing, so that the crushing effect of the crushing device is enhanced, and crushed aggregate particles can be screened through rotating and shaking of the screening plate, so that the uniformity of the aggregate particles is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pulverization device technical field especially relates to a multiple pulverization device for asphalt concrete raw materials. BACKGROUND

[0002] Asphalt concrete, simply referred to as asphalt, is a composite material made by mixing stone such as gravel, sand, and asphalt. It is widely used in road construction and repair, has good durability and wear resistance, and its preparation process and material properties can meet the requirements of different road use environments, and is suitable for paving various traffic roads.

[0003] Asphalt is the cementing material of asphalt concrete and can be obtained from petroleum processing. It plays a role in bonding and waterproofing in concrete. In the concrete preparation process, aggregate needs to be added to the asphalt, and the uniformity and size distribution of the aggregate quality are crucial to the final performance of the asphalt concrete. Common aggregates include stones, gravel, and sand, which are mixed according to the design ratio after screening and washing.

[0004] Before adding the aggregate, a pulverizer is used to pulverize the aggregate to make the size of the aggregate convenient to use. The current pulverizer only performs single pulverization on the aggregate, and the pulverization effect is poor and the aggregate pulverization efficiency is low. Therefore, a multiple pulverization device for asphalt concrete raw materials is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a multiple pulverization device for asphalt concrete raw materials, aiming at improving the problem of poor pulverization effect and low aggregate pulverization efficiency of the pulverizer in the prior art.

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

[0007] A multiple pulverization device for asphalt concrete raw materials, comprising a shell, a screening assembly is arranged at the bottom side of the shell, the screening assembly is used to screen the aggregate particles, rotating shafts one and two are respectively connected inside the shell, a plurality of uniformly distributed pulverizing blades are fixedly connected to the outer periphery of the rotating shaft one, a friction plate is fixedly connected inside the top side of the shell, the friction plate is arranged at the left part of the pulverizing blade, a plurality of uniformly distributed mounting discs are fixedly connected to the outer periphery of the rotating shaft two, a plurality of uniformly distributed hammer heads are rotatably connected to the opposite side of adjacent two mounting discs, a motor three driving end is fixedly connected to the front end of the rotating shaft two, a belt pulley is fixedly connected to the outer periphery of the rotating shaft one and the rotating shaft two, and a transmission belt is sleeved on the outer periphery of the two belt pulleys.

[0008] As a further description of the above technical scheme:

[0009] The crushing assembly includes a screening bin fixedly connected to the bottom side of the shell, a sealing door rotatably connected inside the screening bin, a motor one fixedly connected to the left side of the screening bin, a cam fixedly connected to the driving end of the motor one, a screening plate rotatably connected inside the screening bin, the cam outer periphery abutting the bottom side of the screening plate, two support shafts fixedly connected inside the screening plate, one of the support shafts being rotatably connected inside the screening bin and the other support shaft being slidably connected inside the screening bin;

[0010] As a further description of the above technical solution:

[0011] The inside bottom of the shell is fixedly connected with two guide plates;

[0012] As a further description of the above technical solution:

[0013] The inside of the screening bin is fixedly connected with two mounting blocks, the top side of the mounting block is fixedly connected with a tension spring, and the top end of the tension spring is fixedly connected to the bottom side of the screening plate;

[0014] As a further description of the above technical solution:

[0015] The top side right side of the screening plate is fixedly connected with two guide blocks;

[0016] As a further description of the above technical solution:

[0017] The front side of the shell is fixedly connected with a mounting frame, and the motor three is fixedly connected inside the mounting frame;

[0018] As a further description of the above technical solution:

[0019] The right side of the shell is fixedly connected with a mounting rod, the top side of the mounting rod is fixedly connected with a motor two 6, the driving end of the motor two 6 is fixedly connected with an auger, the auger is rotatably connected inside the mounting rod, the top of the mounting rod is fixedly connected with a material conveying pipe, and the bottom end of the material conveying pipe is arranged inside the top side of the shell;

[0020] As a further description of the above technical solution:

[0021] The left side inside of the mounting rod and the right side inside of the screening bin are both provided with perforations, and the two perforations are in communication with each other.

[0022] The utility model has the advantages of:

[0023] 1. The utility model discloses a shell top is added to the inside of shell after the aggregate, and then motor three is started, and motor three drive end drives the rotation of the shaft no. 1 and the shaft no. 2 through the transmission belt, and the shaft no. 1 drives the rotation of multiple smashing blades to make multiple smashing blades drive the aggregate and the friction plate friction to primary crush the aggregate, and the shaft no. 2 drives the rotation of multiple hammer heads to secondary crush the aggregate, and twice crushing can fully crush the aggregate to enhance the crushing effect of the crushing device.

[0024] 2. The utility model discloses that motor one drive end drives the rotation of the cam, and the rotation of the cam drives the rotation of the screening plate to shake to screen the aggregate particle after crushing to keep the uniformity of the aggregate particle, and larger particle can pass through the auger and the feed pipe to return to the inside of shell again to crush. DRAWINGS

[0025] Figure 1 It is the three -dimensional schematic view of a kind of asphalt concrete raw material multiple crushing device proposed in the utility model;

[0026] Figure 2 It is the structure schematic view of the shell of a kind of asphalt concrete raw material multiple crushing device proposed in the utility model;

[0027] Figure 3 It is the structure schematic view of the screening bin of a kind of asphalt concrete raw material multiple crushing device proposed in the utility model;

[0028] Figure 4 It is the structure schematic view of the mounting rod of a kind of asphalt concrete raw material multiple crushing device proposed in the utility model.

[0029] Legend:

[0030] 1, shell;2, motor one;3, screening bin;4, auger;5, mounting rod;6, motor two;7, feed pipe;8, hammer head;9, mounting disc;10, mounting frame;11, motor three;12, pulley;13, shaft no. 1;14, transmission belt;15, friction plate;16, mounting block;17, cam;18, screening plate;19, support shaft;20, guide block;21, tension spring;22, shaft no. 2;23, smashing blade;24, guide plate. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] Refer toFigure 1 、 Figure 2 The utility model provides a kind of asphalt concrete raw material multiple comminuting device, including shell 1, shell 1 is to install protection internal structure, shell 1 inside is rotatably connected with shaft one 13 and shaft two 22 respectively, shaft one 13 outer periphery is fixedly connected with multiple evenly distributed comminuting blades 23, shaft one 13 is to install comminuting blade 23, shell 1 top side inside is fixedly connected with friction plate 15, friction plate 15 is arranged in comminuting blade 23 left part, comminuting blade 23 can drive aggregate to move to friction plate 15, aggregate and friction plate 15 contact hinder normal movement to make multiple comminuting blades 23 can carry out primary comminution to aggregate, the outer periphery of shaft two 22 is fixedly connected with multiple evenly distributed mounting disc 9, and shaft two 22 is to fixed mounting disc 9, and mounting disc 9 is to install hammer head 8, adjacent two mounting discs 9 are rotatably connected with multiple evenly distributed hammer heads 8 on one side of each other, and multiple hammer heads 8 rotation can carry out secondary comminution to aggregate, the bottom of shell 1 inside is fixedly connected with two guide plates 24, and guide plate 24 can guide aggregate to move to hammer head 8, the front end of shaft two 22 is fixedly connected with motor three 11 drive end, shell 1 front side is fixedly connected with mounting bracket 10, and mounting bracket 10 is to install motor three 11, and motor three 11 is fixedly connected in the inside of mounting bracket 10, the outer periphery of shaft one 13 and shaft two 22 is fixedly connected with pulley 12, and the outer periphery of two pulleys 12 is sleeved with transmission belt 14, and motor three 11 drive end can drive shaft one 13 and shaft two 22 rotation by pulley 12 and transmission belt 14.

[0033] Refer to Figure 1 、 Figure 3 Shell 1 bottom side is provided with screening assembly, and screening assembly is to screen aggregate particle, and comminuting assembly includes screening bin 3, and screening bin 3 is fixedly connected at shell 1 bottom side, and screening bin 3 is to provide space for aggregate particle screening, and sealing door is rotatably connected in the inside of screening bin 3, and sealing door is to seal screening bin 3, and motor one 2 is fixedly connected at the left side of screening bin 3, and motor one 2 drive end can drive cam 17 rotation, and motor one 2 drive end is fixedly connected with cam 17, and screening plate 18 is rotatably connected in the inside of screening bin 3, and the bottom side of cam 17 outer periphery is abutted at screening plate 18, and cam 17 rotation can drive screening plate 18 rotation swing to make screening plate 18 can screen aggregate particle, and two mounting blocks 16 are fixedly connected in the inside of screening bin 3, and mounting block 16 is to install tension spring 21, and mounting block 16 top side is fixedly connected with tension spring 21, and the top end of tension spring 21 is fixedly connected at the bottom side of screening plate 18, and tension spring 21 can pull screening plate 18 closely cam 17, and two support shafts 19 are fixedly connected in the inside of screening plate 18, and one of support shaft 19 is rotatably connected in the inside of screening bin 3, and another support shaft 19 is slidably connected in the inside of screening bin 3, and support shaft 19 is to support screening plate 18 rotation.

[0034] Refer to Figure 1 ,Figure 3 And Figure 4 The right side of the shell 1 is fixedly connected with a mounting rod 5, the mounting rod 5 is used to install the auger 4, the top side of the mounting rod 5 is fixedly connected with the driving end of the motor two 6, the driving end of the motor two 6 can drive the auger 4 to rotate, the auger 4 is rotatably connected to the inner side of the mounting rod 5, the rotation of the auger 4 can transport the aggregate particles, the top of the mounting rod 5 is fixedly connected with a conveying pipe 7, the bottom end of the conveying pipe 7 is arranged in the inner top side of the shell 1, the conveying pipe 7 can input the aggregate particles into the shell 1, the inner left side of the mounting rod 5 and the inner right side of the screening bin 3 are both provided with a perforation, the two perforations are communicated with each other, the top right side of the screening plate 18 is fixedly connected with two guide blocks 20, the guide blocks 20 can guide the aggregate particles to move to the perforation, and the aggregate particles can move to the inner side of the mounting rod 5 through the perforation.

[0035] Working principle: when using the device, the aggregate is added into the shell 1 through the top of the shell 1, then the motor three 11 is started, the driving end of the motor three 11 drives the rotation of the rotating shaft one 13 and the rotating shaft two 22 through the two pulleys 12 and the transmission belt 14, the rotation of the rotating shaft one 13 can drive the rotation of the plurality of crushing blades 23 and drive the aggregate to move to the friction plate 15, the friction between the aggregate and the friction plate 15 can make the plurality of crushing blades 23 crush the aggregate for the first time, the aggregate crushed for the first time can fall into the bottom of the shell 1, and the rotating shaft two 22 drives the rotation of the plurality of hammer heads 8 to crush the aggregate for the second time. The aggregate particles after crushing are completed can enter the inner side of the screening bin 3 to be screened, the motor one 2 is started to drive the rotation of the cam 17 through the driving end of the motor one 2, the screening plate 18 is shaken to screen the aggregate particles through the rotation of the cam 17, and the aggregate particles with appropriate size can fall into the bottom of the screening bin 3, and the aggregate particles can be taken out by opening the sealing door. The larger aggregate particles can move to the inner side of the mounting rod 5 along the two guide blocks 20, the motor two 6 is started, the driving end of the motor two 6 drives the rotation of the auger 4, the rotation of the auger 4 can drive the aggregate particles at the bottom of the mounting rod 5 to move to the conveying pipe 7, and the larger aggregate particles can enter the shell 1 again through the conveying pipe 7 to be crushed.

[0036] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A multi-stage crushing device for asphalt concrete raw materials, comprising a shell (1) and crushing components, characterized in that: The bottom side of the housing (1) is provided with a screening component for screening aggregate particles. The housing (1) is rotatably connected with a rotating shaft one (13) and a rotating shaft two (22). The outer periphery of the rotating shaft one (13) is fixedly connected with a plurality of uniformly distributed crushing blades (23). The top side of the housing (1) is fixedly connected with a friction plate (15). The friction plate (15) is located on the left side of the crushing blades (23). The outer periphery of the rotating shaft two (22) is fixedly connected with a plurality of uniformly distributed mounting discs (9). Two adjacent mounting discs (9) are rotatably connected to a plurality of uniformly distributed hammers (8) facing each other. The front end of the rotating shaft two (22) is fixedly connected with the drive end of a motor three (11). The outer periphery of both the rotating shaft one (13) and the rotating shaft two (22) is fixedly connected with pulleys (12). The outer periphery of the two pulleys (12) is fitted with a transmission belt (14).

2. The asphalt concrete raw material multi-crushing device according to claim 1, characterized in that: The crushing assembly includes a screening chamber (3), which is fixedly connected to the bottom side of the housing (1). A sealing door is rotatably connected inside the screening chamber (3). A motor (2) is fixedly connected to the left side of the screening chamber (3). A cam (17) is fixedly connected to the drive end of the motor (2). A screening plate (18) is rotatably connected inside the screening chamber (3). The outer periphery of the cam (17) abuts against the bottom side of the screening plate (18). Two support shafts (19) are fixedly connected inside the screening plate (18). One of the support shafts (19) is rotatably connected inside the screening chamber (3), and the other support shaft (19) is slidably connected inside the screening chamber (3).

3. The asphalt concrete raw material multi-crushing device according to claim 1, characterized in that: Two guide plates (24) are fixedly connected to the bottom inner side of the housing (1).

4. The asphalt concrete raw material multi-crushing device according to claim 2, characterized in that: The screening chamber (3) has two mounting blocks (16) fixedly connected inside. The top side of the mounting block (16) is fixedly connected to a tension spring (21), and the top end of the tension spring (21) is fixedly connected to the bottom side of the screening plate (18).

5. The asphalt concrete raw material multi-crushing device according to claim 2, characterized in that: Two guide blocks (20) are fixedly connected to the top right side of the screening plate (18).

6. The asphalt concrete raw material multi-crushing device according to claim 1, characterized in that: The housing (1) is fixedly connected to the front side of the mounting bracket (10), and the motor (11) is fixedly connected to the inside of the mounting bracket (10).

7. The asphalt concrete raw material multi-crushing device according to claim 2, characterized in that: An installation rod (5) is fixedly connected to the right side of the housing (1). A motor 6 is fixedly connected to the top side of the installation rod (5), and an auger (4) is fixedly connected to the drive end. The auger (4) is rotatably connected to the inside of the installation rod (5). A material conveying pipe (7) is fixedly connected to the top of the installation rod (5), and the bottom end of the material conveying pipe (7) is located inside the top side of the housing (1).

8. The asphalt concrete raw material multi-crushing device according to claim 7, characterized in that: Both the left side of the mounting rod (5) and the right side of the screening chamber (3) have through holes, and the two through holes are interconnected.

Images