CN213943319U

CN213943319U - Asphalt concrete recycled aggregate screening device

Info

Publication number: CN213943319U
Application number: CN202022904525.1U
Authority: CN
Inventors: 于金文
Original assignee: Linyi Rentong Building Materials Co Ltd
Current assignee: Linyi Rentong Building Materials Co Ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-13
Anticipated expiration: 2030-12-07

Abstract

The utility model belongs to the technical field of asphalt concrete recycled aggregate processing, in particular to an asphalt concrete recycled aggregate screening device, which comprises a crushing box and a screening box; a crushing mechanism is arranged in the crushing box; two frames in a square structure are arranged in the screening box, and a filter screen is embedded in the frames; a driving assembly for driving the head end of the frame to vibrate up and down in a reciprocating manner is arranged on the screening box, and the driving assembly comprises a driving motor, a turntable, a swinging rod, a driving rod and a sliding rod; an auxiliary stabilizing component is arranged between the sliding rod and the frame; the utility model discloses an asphalt concrete recycled aggregate screening plant utilizes the supplementary stable subassembly that sets up, can improve the stability when the filter screen shakes the screening, guarantees the safety of equipment operation, has reduced the maintenance rate of equipment, has prolonged the life of equipment; the device has still set up rubbing crusher and has constructed, has the filter screen of two-stage screening simultaneously, has improved the yields of aggregate greatly, improves production efficiency and asphalt concrete's quality.

Description

Asphalt concrete recycled aggregate screening device

Technical Field

The utility model belongs to the technical field of asphalt concrete recycled aggregate processing, concretely relates to asphalt concrete recycled aggregate screening plant.

Background

Asphalt concrete is commonly called as asphalt concrete, mineral aggregate with a certain gradation composition, broken stone or crushed gravel, stone chips or sand, mineral powder and the like are manually selected and mixed with a certain proportion of road asphalt material under strictly controlled conditions to form a mixture, and when asphalt concrete recycled aggregate is processed, aggregate needs to be screened, fine concentrate is left, and large coarse aggregate is screened out.

When the original asphalt concrete recycled aggregate screening device is used, the yield is low, the equipment operation screening is unstable, and the equipment maintenance rate is high.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an asphalt concrete recycled aggregate screening plant has convenient to use and moves stable characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the asphalt concrete recycled aggregate screening device comprises a crushing box and a screening box, wherein a feeding hopper is arranged at the top end of the crushing box, a fine aggregate feeding port is arranged at the bottom end of the screening box, a coarse aggregate feeding hole is formed in the outer side surface of the screening box, a coarse aggregate feeding sliding plate is fixed at the outer wall of a port of the coarse aggregate feeding hole, and a communicating pipe is communicated between the crushing box and the screening box; a crushing mechanism is arranged in the crushing box, and two coarse material discharging holes are longitudinally arranged at intervals; two frames in a square structure are arranged in the screening box, and a filter screen is embedded in the frames; a guide sliding plate which is installed in an inclined manner is fixed on the inner wall of the port of the coarse material discharging hole, the tail end of the frame is hinged with the guide sliding plate, a driving assembly which drives the head end of the frame to vibrate up and down in a reciprocating manner is installed on the screening box, and the driving assembly comprises a driving motor, a rotary table, a swinging rod, a driving rod and a sliding rod; the sliding rod is positioned on the inner side of the screening box, and an auxiliary stabilizing assembly is arranged between the sliding rod and the frame; the auxiliary stabilizing assembly comprises stabilizing guide rails, connecting rods, idler wheels and connecting blocks, the longitudinal section of each connecting block is of an inverted L-shaped structure, one end of each connecting block is connected with the corresponding driving rod, the other end of each connecting block is fixedly connected with the corresponding connecting rod, the stabilizing guide rails are symmetrically distributed and fixed on the bottom surface of the frame, stabilizing guide grooves are formed in the opposite surfaces of the stabilizing guide rails, the two ends of each connecting rod are embedded into the corresponding connecting rods respectively, and the idler wheels are fixed at the two ends of each connecting rod respectively.

As a preferred technical solution of the present invention, the outer wall of the screening box is provided with a pin-shaped hole for the end of the driving rod to pass through, one end of the driving rod is fixed to the sliding rod after passing through the pin-shaped hole, and the other end is located outside the screening box; the driving motor is fixed on the outer wall of the screening box, the rotary table is fixed on an output shaft of the driving motor, a connecting shaft is fixed at an eccentric position on the surface of the rotary table, one end of the oscillating rod is sleeved on the connecting shaft, and the other end of the oscillating rod is sleeved on the driving rod.

As an optimized technical proposal of the utility model, the inner bottom surface of the crushing box is provided with an upper guide funnel communicated with the communicating pipe.

As an optimal technical scheme of the utility model, the bottom surface of screening case set up with the communicating beneficiated burden material unloading hole of beneficiated burden material feed opening the interior bottom surface of screening case be equipped with the communicating lower guide funnel in beneficiated burden material unloading hole.

As a preferred technical scheme of the utility model, rubbing crusher constructs including smashing the roller, knocking the piece, smashes motor, driving gear and driven gear, it erects to smash the roller and be equipped with two and utilize the bearing to support the level smash the incasement, it fixes to knock the piece smash the roller outer wall, the driving gear with driven gear fixes respectively two the tip of smashing the roller meshes mutually, crushing motor is installed smash incasement wall and drive it rotates to smash the roller.

As an optimized technical scheme of the utility model, the section of beating the piece is the rhombus structure, and two smash the piece staggered arrangement that beats on the roller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an asphalt concrete recycled aggregate screening plant utilizes the supplementary stable subassembly that sets up, can improve the stability when the filter screen shakes the screening, guarantees the safety of equipment operation, has reduced the maintenance rate of equipment, has prolonged the life of equipment; the device has still set up rubbing crusher and has constructed, has the filter screen of two-stage screening simultaneously, has improved the yields of aggregate greatly, improves production efficiency and asphalt concrete's quality.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is an enlarged schematic structural view of the driving assembly of the present invention;

fig. 4 is a schematic side view of the auxiliary stabilizing assembly of the present invention;

FIG. 5 is a schematic top view of the crushing mechanism of the present invention;

in the figure: 1. a crushing box; 2. screening the box; 3. a hopper; 4. a communicating pipe; 5. a concentrate feed opening; 6. a coarse material blanking sliding plate; 7. a coarse material discharging hole; 8. a material guiding sliding plate; 9. a concentrate feed hole; 10. an upper material guide funnel; 11. a lower material guide funnel; 12. a crushing mechanism; 13. a frame; 14. filtering with a screen; 15. a secondary stabilizing assembly; 16. a drive assembly; 17. a drive motor; 18. a turntable; 19. a connecting shaft; 20. a swing lever; 21. a pin-shaped hole; 22. a drive rod; 23. a slide bar; 24. stabilizing the guide rail; 25. a stabilizing guide slot; 26. a connecting rod; 27. a roller; 28. connecting blocks; 29. a crushing roller; 30. knocking the block; 31. a grinding motor; 32. a driving gear; 33. a driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the asphalt concrete recycled aggregate screening device comprises a crushing box 1 and a screening box 2, wherein the top end of the crushing box 1 is provided with a feeding hopper 3, the bottom end of the screening box 2 is provided with a concentrate feed opening 5, the outer side surface of the screening box 2 is provided with a coarse aggregate feed opening 7, a coarse aggregate feed sliding plate 6 is fixed on the outer wall of the port of the coarse aggregate feed opening 7, and a communicating pipe 4 is communicated between the crushing box 1 and the screening box 2; a crushing mechanism 12 is arranged in the crushing box 1, and two coarse material discharging holes 7 are arranged at intervals along the longitudinal direction; two frames 13 with a square structure are arranged in the screening box 2, and a filter screen 14 is embedded in the frames 13; a guide sliding plate 8 which is installed in an inclined manner is fixed on the inner wall of the port of the coarse material discharging hole 7, the tail end of the framework 13 is hinged with the guide sliding plate 8, a driving assembly 16 which drives the head end of the framework 13 to vibrate up and down in a reciprocating manner is installed on the screening box 2, and the driving assembly 16 comprises a driving motor 17, a rotary table 18, a swing rod 20, a driving rod 22 and a sliding rod 23; the slide bar 23 is positioned at the inner side of the screening box 2, and an auxiliary stabilizing component 15 is arranged between the slide bar 23 and the frame 13; the auxiliary stabilizing component 15 comprises stabilizing guide rails 24, connecting rods 26, rolling wheels 27 and connecting blocks 28, the longitudinal section of each connecting block 28 is of an inverted L-shaped structure, one end of each connecting block 28 is connected with the driving rod 22, the other end of each connecting block 28 is fixedly connected with the corresponding connecting rod 26, two stabilizing guide rails 24 are symmetrically distributed and fixed on the bottom surface of the frame 13, stabilizing guide grooves 25 are respectively formed in opposite surfaces of the two stabilizing guide rails 24, two ends of each connecting rod 26 are respectively embedded into the corresponding connecting rods 26, the rolling wheels 27 are respectively fixed at two ends of each connecting rod 26, asphalt concrete recycled aggregate to be screened is fed into the grinding box 1 from the hopper 3 during use, is firstly ground in the grinding box 1 by the grinding mechanism 12 and then enters the screening box 2 through the communicating pipe 4, at the moment, under the driving of the driving component 16, the head end of the frame 13 vibrates up and down in a reciprocating mode to drive the filter screen 14 to shake to efficiently screen the aggregate, the large coarse materials reach the material guide sliding plate 8 along the filter screen 14 and then pass through the coarse material discharging holes 7, and are discharged from the coarse material discharging sliding plate 6, the fine materials pass through the meshes of the filter screen 14 and are discharged from the fine material discharging hole 5, in addition, when the driving assembly 16 drives the head end of the frame 13 to vibrate up and down in a reciprocating manner, the connecting block 28 drives the connecting rod 26 to move up and down in a reciprocating manner, the two ends of the connecting rod 26 drive the roller 27 to roll in the stable guide groove 25, and meanwhile, the head end of the frame 13 can vibrate up and down in a reciprocating manner, so that the vibration stability of the frame 13 is ensured; the utility model discloses a screening plant still has the two-stage screening effect, and two sets of filter screen 14's aperture variation in size actually, and the filter screen 14 aperture that is located upper portion is greater than below filter screen 14's aperture to vibrate by the 16 drives of drive assembly simultaneously.

Specifically, according to fig. 1, fig. 2 and fig. 3, in this embodiment, a pin-shaped hole 21 for penetrating through an end of a driving rod 22 is formed in an outer wall of the screening box 2, one end of the driving rod 22 penetrates through the pin-shaped hole 21 and then is fixed with a sliding rod 23, and the other end is located outside the screening box 2; the driving motor 17 is fixed on the outer wall of the screening box 2, the rotary table 18 is fixed on the output shaft of the driving motor 17, the connecting shaft 19 is fixed at the eccentric position on the surface of the rotary table 18, one end of the oscillating rod 20 is sleeved on the connecting shaft 19, the other end of the oscillating rod is sleeved on the driving rod 22, during screening, the driving motor 17 is utilized to drive the rotary table 18 to rotate, the rotary table 18 drives the oscillating rod 20 to oscillate and move through the connecting shaft 19, the driving rod 22 is driven to move up and down along the pin-shaped hole 21, the driving rod 22 drives the sliding rod 23 to move up and down, and therefore vibration of the driving frame 13 can be achieved, wherein the driving motor 17 is a Y-series three-phase asynchronous motor, and can be purchased directly on the market and needs to be connected with an electric power supply during use.

Specifically, as shown in fig. 1 and 2, in this embodiment, an upper material guiding funnel 10 communicated with the communicating pipe 4 is disposed on the inner bottom surface of the pulverizing box 1, so as to facilitate discharging the material from the pulverizing box 1 into the sieving box 2.

Specifically, according to fig. 1 and fig. 2, in this embodiment, a fine material discharging hole 9 communicated with the fine material discharging hole 5 is formed in the bottom surface of the screening box 2, and a lower material guiding funnel 11 communicated with the fine material discharging hole 9 is disposed on the inner bottom surface of the screening box 2, so as to discharge the fine material.

Specifically, as shown in fig. 1, fig. 2 and fig. 5, in this embodiment, the crushing mechanism 12 includes two crushing rollers 29, a knocking block 30, a crushing motor 31, a driving gear 32 and a driven gear 33, the two crushing rollers 29 are horizontally erected in the crushing box 1 by using a bearing support, the knocking block 30 is fixed on the outer wall of the crushing rollers 29, the driving gear 32 and the driven gear 33 are respectively fixed on the end portions of the two crushing rollers 29 and are engaged with each other, the crushing motor 31 is installed on the outer wall of the crushing box 1 and drives the crushing rollers 29 to rotate, during crushing, the two crushing rollers 29 are driven to simultaneously rotate by the crushing motor 31 under the engagement relationship of the driving gear 32 and the driven gear 33, and large aggregates are crushed by the knocking block 30, wherein the crushing motor 31 is a Y-series three-phase asynchronous motor, and can be purchased directly on the market, and needs to be connected with an electrical power supply when in use.

Specifically, according to the embodiment shown in fig. 1, fig. 2 and fig. 5, the section of the knocking block 30 is of a diamond structure, and the knocking blocks 30 on the two crushing rollers 29 are staggered, so that the efficiency of crushing large aggregates is improved.

The utility model discloses a theory of operation and use flow: the utility model discloses a screening plant, when using, the bituminous concrete recycled aggregate that waits to sieve is from hopper 3 feeding crushing case 1, smash by rubbing crusher 12 in crushing case 1 earlier, later get into screening case 2 through communicating pipe 4, at this moment, under the drive of drive assembly 16, frame 13 head is up and down to reciprocate and vibrate, drive the shake of filter screen 14 and carry out high-efficient screening to the aggregate, bold coarse fodder reaches guide slide 8 along filter screen 14, rethread coarse fodder unloading hole 7, later discharge from coarse fodder unloading slide 6, the fine fodder passes the mesh of filter screen 14, later discharge from fine fodder unloading mouth 5;

in addition, when the driving assembly 16 drives the frame 13 to oscillate up and down, the connecting block 28 drives the connecting rod 26 to move up and down, the two ends of the connecting rod 26 drive the roller 27 to roll in the stabilizing guide slot 25, and meanwhile, the head end of the frame 13 can oscillate up and down, so that the oscillating stability of the frame 13 is ensured.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The asphalt concrete recycled aggregate screening device comprises a crushing box (1) and a screening box (2), wherein a feeding hopper (3) is arranged at the top end of the crushing box (1), a fine aggregate feeding port (5) is arranged at the bottom end of the screening box (2), a coarse aggregate feeding hole (7) is formed in the outer side surface of the screening box (2), a coarse aggregate feeding sliding plate (6) is fixed at the outer wall of a port of the coarse aggregate feeding hole (7), and a communicating pipe (4) is communicated between the crushing box (1) and the screening box (2); be equipped with rubbing crusher structure (12) in crushing case (1), its characterized in that: two coarse material discharging holes (7) are arranged at intervals along the longitudinal direction; two frames (13) with a square structure are arranged in the screening box (2), and a filter screen (14) is embedded in the frames (13); a guide sliding plate (8) which is installed in an inclined manner is fixed on the inner wall of the port of the coarse material discharging hole (7), the tail end of the frame (13) is hinged with the guide sliding plate (8), a driving assembly (16) which drives the head end of the frame (13) to vibrate up and down in a reciprocating manner is installed on the screening box (2), and the driving assembly (16) comprises a driving motor (17), a rotary table (18), a swing rod (20), a driving rod (22) and a sliding rod (23); the sliding rod (23) is positioned at the inner side of the screening box (2), and an auxiliary stabilizing component (15) is arranged between the sliding rod (23) and the frame (13); supplementary subassembly (15) of stabilizing is including stabilizing guide rail (24), connecting rod (26), gyro wheel (27) and connecting block (28), the vertical tangent plane of connecting block (28) is "L" type structure of invering, just the one end of connecting block (28) with actuating lever (22) are connected, the other end with connecting rod (26) fixed connection, it has two and fixes to stabilize guide rail (24) symmetric distribution frame (13) bottom surface, two stabilize guide slot (25) have all been seted up on the opposite face of stabilizing guide rail (24), the both ends of connecting rod (26) are embedded respectively in connecting rod (26) that correspond, gyro wheel (27) are fixed respectively the both ends of connecting rod (26).

2. The asphalt concrete recycled aggregate screening device according to claim 1, wherein: the outer wall of the screening box (2) is provided with a pin-shaped hole (21) for the end part of the driving rod (22) to penetrate through, one end of the driving rod (22) penetrates through the pin-shaped hole (21) and then is fixed with the sliding rod (23), and the other end of the driving rod is positioned outside the screening box (2); the driving motor (17) is fixed on the outer wall of the screening box (2), the rotary table (18) is fixed on an output shaft of the driving motor (17), a connecting shaft (19) is fixed at an eccentric position on the surface of the rotary table (18), one end of the oscillating rod (20) is sleeved on the connecting shaft (19), and the other end of the oscillating rod is sleeved on the driving rod (22).

3. The asphalt concrete recycled aggregate screening device according to claim 1, wherein: an upper material guide funnel (10) communicated with the communicating pipe (4) is arranged on the inner bottom surface of the crushing box (1).

4. The asphalt concrete recycled aggregate screening device according to claim 1, wherein: the bottom surface of the screening box (2) is provided with a concentrate blanking hole (9) communicated with the concentrate blanking hole (5), and the inner bottom surface of the screening box (2) is provided with a lower guide funnel (11) communicated with the concentrate blanking hole (9).

5. The asphalt concrete recycled aggregate screening device according to claim 1, wherein: rubbing crusher constructs (12) including crushing roller (29), strikes piece (30), crushing motor (31), driving gear (32) and driven gear (33), crushing roller (29) are equipped with two and utilize the bearing to support the level and erect crushing case (1) in, strike piece (30) and fix crushing roller (29) outer wall, driving gear (32) with driven gear (33) are fixed two respectively the tip and the mesh of crushing roller (29), install crushing motor (31) smash case (1) outer wall and drive crushing roller (29) rotate.

6. The asphalt concrete recycled aggregate screening device according to claim 5, wherein: the section of the knocking block (30) is of a diamond structure, and the knocking blocks (30) on the two crushing rollers (29) are arranged in a staggered mode.