CN220803487U - Crushed aggregates device is used in recycled concrete production - Google Patents

Abstract

The utility model discloses a crushing device for producing recycled concrete, which comprises a crushing box, wherein the upper end of the crushing box is connected with a feeding hopper, the outer side wall of the feeding hopper is connected with a magnet, the upper end of the inside of the crushing box is symmetrically connected with a crushing roller in a rotating way, the rear end of a roller shaft of the crushing roller is connected with a motor I, a sieve plate is arranged in the crushing box, two sides of the sieve plate are symmetrically connected with guide plates, the side wall of the crushing box is provided with a discharge hole, the side wall of the crushing box is connected with a lifting groove, one end of the sieve plate is rotationally connected with the lower wall of the lifting groove, the inner side wall of the crushing box is respectively connected with a driving structure and a buffer structure, the inside of the lifting groove is rotationally connected with a packing auger, the upper end of the packing auger is connected with a motor II, the side wall of the crushing box is connected with a fan, and the lower end of the crushing box is in sliding connection with a collecting box. Compared with the prior art, the utility model has the advantages that: the iron material can be screened out, the device is safe and practical, the automatic screening and secondary crushing can be carried out, and the crushed aggregates are uniform.

Description

Crushed aggregates device is used in recycled concrete production

Technical Field

The utility model relates to the technical field of concrete production, in particular to a crushing device for recycled concrete production.

Background

The recycled concrete is prepared by crushing, cleaning and grading waste concrete blocks, mixing with grading according to a certain proportion, partially or completely replacing natural aggregates such as sand and stone, and adding cement, water and the like. In the production process of the recycled concrete, firstly, the waste concrete blocks are crushed, the existing crushing device for the recycled concrete production is generally composed of a feed inlet, a discharge outlet, a rotor, a hammer or a blade, a sieve plate and the like, and the hammer or the blade rotating at high speed is utilized to apply impact, shearing, extrusion and other forces to the concrete block-shaped materials to crush and crush the concrete block-shaped materials. The crushed materials directly fall down to be transported uniformly, but because the initial size and shape of the concrete block materials are different, the stress size and angle are different during crushing, the crushing result also has certain difference, the crushing is uneven, the quality of regenerated concrete can be influenced when the crushed materials are directly put into use, screening structures can be additionally arranged on some crushing devices to screen the crushed materials, the uniformity of the materials can be improved, but the larger screened concrete blocks need to be manually taken out at regular intervals to be reprocessed, the operation is complex, in addition, iron materials are contained in the waste concrete blocks, and the device is easy to damage when the crushed materials are directly crushed.

Disclosure of utility model

The utility model aims to overcome the technical defects, and provides the crushing device for the recycled concrete production, which can screen iron materials, is safe and practical, can automatically screen and carry out secondary crushing, and has uniform crushed aggregates.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a crushed aggregates device for recycled concrete production, includes the crushed aggregates case, the connection of crushed aggregates case upper end is equipped with the feeder hopper, connect on the feeder hopper lateral wall and be equipped with magnet, the inside upper end symmetry of crushed aggregates case rotates to be connected and is equipped with crushing roller, crushing roller's roller rear end stretches out crushed aggregates case and connects and be equipped with motor one, be located crushing roller below in the crushed aggregates case and be equipped with the sieve, the symmetrical connection of sieve both sides is equipped with the deflector, be equipped with the discharge gate that matches the sieve on the crushed aggregates case lateral wall, be connected the lifting groove that is equipped with the matching discharge gate on the crushed aggregates case lateral wall, screen one end rotates to be connected and locates on the lifting groove lower wall, be located both sides about the sieve on the crushed aggregates case lateral wall and be connected respectively and be equipped with drive structure and buffer structure, the connection of lifting groove internal rotation is equipped with the auger, the connection of auger upper end is equipped with motor two, connect on the crushed aggregates case lateral wall and be equipped with the fan, crushed aggregates case lower extreme sliding connection is equipped with the collection box.

Furthermore, the feeder hopper internal connection is equipped with a plurality of reducing plates, the crisscross setting of reducing plate.

Further, the screen plate is obliquely arranged.

Further, the driving structure comprises a driving shaft which is rotationally connected with the side wall of the crushing box, a motor III and a cam are respectively connected with two ends of the driving shaft, and the cam is matched with the screen plate.

Further, buffer structure locates the connecting rod of sieve top including the connection, connect the limiting plate that is equipped with the matching connecting rod on the crushed aggregates case inside wall, the connecting rod upper end passes the limiting plate and connects and be equipped with the stopper, connecting rod upper end suit is equipped with the spring, both ends are connected with stopper and limiting plate respectively about the spring.

Further, the fan is arranged on one side of the lower end above the sieve plate, and the air outlet of the fan is arranged towards the sieve plate.

Compared with the prior art, the utility model has the advantages that: the magnet can initiatively adsorb and fix the iron material in the concrete material in the feeder hopper, avoids causing the damage to the crushing roller, and the combined design of crushing roller and sieve can be high-efficiently with the broken and screening of abandonment concrete material, has improved the production efficiency of recycled concrete, can guarantee the homogeneity of broken back material. The guide plate can enable the crushed materials to smoothly fall on the sieve plate, and the lifting groove and the auger have the structural design, so that the large materials which are completely crushed can be smoothly conveyed to the upper end of the crushing box for crushing again, the crushing thoroughness is ensured, and the subsequent treatment is more convenient. The driving structure cooperates buffer structure and can make the sieve last vibration, and then realizes abundant screening to make the massive material that sieves out get into the lifting groove smoothly, the fan can make the material fully sieve, and the design of collecting box makes the material can conveniently be collected and transported, convenient operation.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is an enlarged view of the portion a of the present utility model.

As shown in the figure: 1. a crushing box; 2. a feed hopper; 3. a magnet; 4. a crushing roller; 5. a first motor; 6. a sieve plate; 7. a guide plate; 8. a lifting groove; 9. an auger; 10. a second motor; 11. a blower; 12. a collection box; 13. a speed reducing plate; 14. a drive shaft; 15. a third motor; 16. a cam; 17. a connecting rod; 18. a limiting plate; 19. a limiting block; 20. and (3) a spring.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a crushed aggregates device for recycled concrete production comprises a crushed aggregates box 1, wherein a feeding hopper 2 is connected to the upper end of the crushed aggregates box 1, a magnet 3 is connected to the outer side wall of the feeding hopper 2, a plurality of speed reducing plates 13 are connected to the feeding hopper 2 in a connecting mode, and the speed reducing plates 13 are arranged in a staggered mode. The speed reducing plate 13 can slow down the falling of materials and ensure that the iron materials are fully removed.

The utility model discloses a crushing machine, including crushing box 1, screen plate 6, guide plate 7, lifting groove 8, screen plate 6 slope setting, wherein the inside upper end symmetry of crushing box 1 rotates to be connected and is equipped with crushing roller 4, crushing box 1 is stretched out to crushing roller 4's roller rear end and is connected and be equipped with motor 5, crushing box 1 is interior to be located crushing roller 4 below and is equipped with screen plate 6, screen plate 6 bilateral symmetry is connected and is equipped with deflector 7, be equipped with the discharge gate that matches screen plate 6 on the crushing box 1 lateral wall, connect on the crushing box 1 lateral wall and be equipped with the lifting groove 8 that matches the discharge gate, screen plate 6 one end rotates to be connected and is located on the lifting groove 8 lower wall. The material is convenient to automatically enter the lifting groove 8.

Referring to fig. 1 and 3, the inner side wall of the crushing box 1 is provided with a driving structure and a buffer structure, which are respectively connected with the upper side and the lower side of the screen plate 6, the driving structure comprises a driving shaft 14 which is rotatably connected with the side wall of the crushing box 1, two ends of the driving shaft 14 are respectively connected with a motor three 15 and a cam 16, and the cam 16 is matched with the screen plate 6. The continuous vibration of the sieve plate 6 can be realized by driving the cam 16 to rotate through the motor III 15, and the operation is simple and the control is easy.

Referring to fig. 1 and 3, the buffer structure includes a connecting rod 17 connected above the screen plate 6, a limiting plate 18 matched with the connecting rod 17 is connected on the inner side wall of the crushing box 1, a limiting block 19 is connected and arranged at the upper end of the connecting rod 17 through the limiting plate 18, a spring 20 is sleeved at the upper end of the connecting rod 17, and the upper end and the lower end of the spring 20 are respectively connected with the limiting block 19 and the limiting plate 18. The springs 20 can enable the screen plate 6 to reset quickly, and therefore good vibration effect is achieved.

Referring to fig. 1, the lifting groove 8 is rotatably connected with the packing auger 9, the upper end of the packing auger 9 is connected with the second motor 10, the side wall of the crushing box 1 is connected with the blower 11, and the lower end of the crushing box 1 is slidably connected with the collecting box 12. The fan 11 is arranged on one side of the lower end above the screen plate 6, and an air outlet of the fan 11 is arranged towards the screen plate 6. Can effectively block lighter fritter material, prevent that it from getting into lifting groove 8 and breaking once more, be favorable to reducing the device burden, improve crushed aggregates efficiency.

The utility model is implemented in particular: the device is connected with an external power supply, the waste concrete blocks are added into the particle box 1 through the feed hopper 2, the waste concrete blocks fall down along the speed reducing plate 13, meanwhile, the magnet 3 can absorb iron materials on the inner wall of the feed hopper 2, the motor I5 is opened, the motor I5 drives the crushing rollers 4 to rotate, the two crushing rollers 4 relatively rotate to crush the concrete blocks, the crushed concrete blocks fall on the screen plate 6, the motor III 15 is opened, the motor III 15 drives the cam 16 to rotate, the cam 16 intermittently pushes the screen plate 6 to shake, the screen plate 6 drives the limiting block 19 to move upwards through the connecting rod 17, meanwhile, the spring 20 stretches, the spring 20 drives the screen plate 6 to move downwards to reset along with the continuous vibration of the cam 16, the screen plate 6 screens the crushed concrete blocks, the small concrete blocks fall into the collecting box 12, the large concrete blocks enter the lifting groove 8 along the screen plate 6, the fan 11 is opened simultaneously, the fan 11 blows the concrete blocks on the fan 6 to prevent the small concrete blocks from being clamped in the large block concrete, the motor II 10 is opened, the motor II drives the motor II to intermittently push the screen plate 6 to shake, the large concrete blocks to lift the crushed concrete blocks through the screen plate 1, and finally the crushed material is lifted into the crushed material box 2, and the crushed material is conveyed out of the crushed material box 12.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. The utility model provides a crushed aggregates device for recycled concrete production, includes crushed aggregates case (1), its characterized in that: the utility model is characterized in that a feed hopper (2) is connected and arranged at the upper end of the crushing box (1), a magnet (3) is connected and arranged on the outer side wall of the feed hopper (2), a crushing roller (4) is symmetrically and rotationally arranged at the upper end inside the crushing box (1), a motor I (5) is connected and arranged at the rear end of a roller shaft of the crushing roller (4) extending out of the crushing box (1), a screen plate (6) is arranged below the crushing roller (4) in the crushing box (1), guide plates (7) are symmetrically arranged at the two sides of the screen plate (6), a discharge hole matched with the screen plate (6) is arranged on the side wall of the crushing box (1), the side wall of the crushed aggregates box (1) is connected with a lifting groove (8) matched with a discharge hole, one end of the sieve plate (6) is rotationally connected with the lower wall of the lifting groove (8), the inner side wall of the crushed aggregates box (1) is positioned on the upper side and the lower side of the sieve plate (6) and is respectively connected with a driving structure and a buffer structure, the lifting groove (8) is rotationally connected with the auger (9), the upper end of the auger (9) is connected with the motor II (10), the side wall of the crushing box (1) is connected with the fan (11), and the lower end of the crushing box (1) is slidably connected with the collecting box (12).

2. The crushed aggregates device for recycled concrete production according to claim 1, wherein: the feeding hopper (2) is internally connected with a plurality of speed reducing plates (13), and the speed reducing plates (13) are arranged in a staggered mode.

3. The crushed aggregates device for recycled concrete production according to claim 1, wherein: the screen plate (6) is obliquely arranged.

4. The crushed aggregates device for recycled concrete production according to claim 1, wherein: the driving structure comprises a driving shaft (14) which is rotationally connected to the side wall of the crushing box (1), a motor III (15) and a cam (16) are respectively connected to two ends of the driving shaft (14), and the cam (16) is matched with the screen plate (6).

5. The crushed aggregates device for recycled concrete production according to claim 1, wherein: the buffer structure comprises a connecting rod (17) which is connected with the upper part of the sieve plate (6), a limiting plate (18) which is matched with the connecting rod (17) is connected with the inner side wall of the crushed aggregates box (1), a limiting block (19) is connected with the upper end of the connecting rod (17) through the limiting plate (18), a spring (20) is sleeved at the upper end of the connecting rod (17), and the upper end and the lower end of the spring (20) are respectively connected with the limiting block (19) and the limiting plate (18).

6. The crushed aggregates device for recycled concrete production according to claim 1, wherein: the fan (11) is arranged on one side of the lower end above the screen plate (6), and an air outlet of the fan (11) is arranged towards the screen plate (6).