CN213315230U

CN213315230U - Coarse aggregate refining device in recycled concrete crushed aggregates

Info

Publication number: CN213315230U
Application number: CN202021907633.8U
Authority: CN
Inventors: 徐友谊
Original assignee: Jiangsu Minghe Group Ronghe Building Materials Co ltd
Current assignee: Jiangsu Minghe Group Ronghe Building Materials Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-06-01
Anticipated expiration: 2030-09-04

Abstract

The utility model provides a coarse aggregate refining device in recycled concrete crushed aggregates, which relates to the technical field of coarse aggregate refining devices, and comprises a refining box, wherein the front and back inner walls of the refining box are respectively and correspondingly provided with a rotating shaft, a primary crushing roller is fixedly welded on the outer side of the rotating shaft, a filter screen is arranged on the lower side of the primary crushing roller, brackets are welded on the left and right inner walls of the refining box, a fixed block is welded in the middle of the left and right side walls of the refining box, a connecting rod is slidably connected inside the fixed block, a driving extrusion plate is fixedly connected on the left side of the connecting rod, the right end of the connecting rod is; through the preliminary crushing roller that sets up, can carry out preliminary crushing with coarse aggregate, then carry out the regrinding through a plurality of stripper plates, guaranteed when having improved work efficiency that coarse aggregate refines, avoided secondary operation.

Description

Coarse aggregate refining device in recycled concrete crushed aggregates

Technical Field

The utility model relates to a coarse aggregate refines technical field, especially relates to coarse aggregate refines device in recycled concrete crushed aggregates.

Background

Aggregates are also known as aggregates. The aggregate is divided into coarse aggregate and fine aggregate. One of the main constituent materials of concrete. Mainly acts as a framework and reduces the volume change caused by the shrinkage and swelling of the gelled material during setting and hardening, and simultaneously acts as an inexpensive filler for the gelled material. The aggregate is divided into natural aggregate and artificial aggregate, wherein the natural aggregate is crushed stone, pebble, pumice, natural sand and the like; the latter is such as cinder, slag, ceramsite, expanded perlite and the like. The aggregate with the apparent density of particles less than 1700 kg/cubic meter is called lightweight aggregate and is used for manufacturing common concrete; particularly heavy aggregate, for the manufacture of heavy concrete, such as radiation-resistant concrete. The aggregate is divided into coarse aggregate and fine aggregate according to the particle size, wherein the coarse aggregate is generally specified when the particle size is larger than 4.75 mm, such as broken stone and pebble, and the fine aggregate is specified when the particle size is from 0.15 to 4.75 mm, such as natural sand.

When utilizing crushing material, need refine the processing with coarse aggregate in the crushing material to the convenience utilizes it, however current device that refines, its device simple structure refines thoroughly inadequately, leads to needing the regrinding to refine, has not only reduced work efficiency, has still increased workman's work load.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coarse aggregate refines device in recycled concrete crushed aggregates to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the device for refining the coarse aggregate in the recycled concrete crushed aggregates comprises a refining box, wherein rotating shafts are correspondingly arranged on the front inner wall and the rear inner wall of the refining box respectively, a primary crushing roller is fixedly welded on the outer side of the rotating shafts, a filter screen is arranged on the lower side of the primary crushing roller, supports are welded on the left inner wall and the right inner wall of the refining box, inclined baffles are welded on the supports, a supporting plate is welded on the outer side of the refining box, a first motor is arranged on the lower side of the supporting plate, a cam is fixedly connected with an output shaft of the first motor, sliding grooves are formed in the middle of the front inner wall and the rear inner wall of the refining box, three sliding blocks are slidably connected inside the sliding grooves, two driven extrusion plates and one fixed extrusion plate are respectively welded on the left sides of the three sliding blocks, a fixed block is welded in, the right end of the connecting rod is connected with a rotating wheel, and the rotating wheel is rotatably connected with the cam.

Preferably, the outside of the right side of the connecting rod is sleeved with a return spring, the left side of the return spring is connected with the outer wall of the thinning box, and the right side of the return spring is connected with the fixing plate.

Preferably, the surfaces of the fixed extrusion plate, the driving extrusion plate and the driven extrusion plate are uneven, and a tension spring is connected between the two sliding blocks.

Preferably, the lower side four corners of the thinning box are respectively connected with supporting legs, and rubber pads are installed at the bottoms of the supporting legs.

Preferably the inner wall is connected with the transmission shaft about refining the downside of case, the outside welding of transmission shaft has the spiral leaf, refine the left side of case and install the second motor, the output shaft and the transmission shaft of second motor pass through the wheel area and rotate and be connected, refine the right side bottom of case and seted up the discharge gate.

The utility model has the advantages that:

the utility model discloses in, at first through the preliminary crushing roller and the filter screen of installation, can realize the preliminary refining of coarse aggregate, then the coarse aggregate after refining can carry out the secondary to coarse aggregate and refine through the effect of initiative stripper plate, driven stripper plate and fixed stripper plate to guarantee that coarse aggregate refines more abundant, and improved work efficiency.

Drawings

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

fig. 2 is a left side view of the present invention.

Reference numerals: 1. thinning the box; 2. a feed inlet; 3. a preliminary crushing roller; 4. a rotating shaft; 5. a baffle plate; 6. a support; 7. a support plate; 8. a first motor; 9. a cam; 10. a rotating wheel; 11. a connecting rod; 12. a return spring; 13. actively extruding the plate; 14. fixing the extrusion plate; 15. a driven stripper plate; 16. a slider; 17. a second motor; 18. a drive shaft; 19. helical leaves; 20. a discharge port; 21. a tension spring; 22. a fixed block; 23. filtering with a screen; 24. a sliding groove.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, the device for refining coarse aggregates in recycled concrete crushed aggregates comprises a refining box 1, wherein the front and rear inner walls of the refining box 1 are respectively and correspondingly provided with a rotating shaft 4, the outer side of the rotating shaft 4 is fixedly welded with a primary crushing roller 3, the lower side of the primary crushing roller 3 is provided with a filter screen 23, the left and right inner walls of the refining box 1 are welded with brackets 6, the brackets 6 are welded with inclined baffles 5, the outer side of the refining box 1 is welded with a support plate 7, the lower side of the support plate 7 is provided with a first motor 8, an output shaft of the first motor 8 is fixedly connected with a cam 9, the middle parts of the front and rear inner walls of the refining box 1 are provided with a sliding groove 24, the inside of the sliding groove 24 is connected with three sliding blocks 16 in a sliding manner, the left sides of the three sliding blocks 16 are respectively, connecting rod 11's left side fixedly connected with initiative stripper plate 13, connecting rod 11's right-hand member is connected with runner 10, runner 10 rotates with cam 9 to be connected, reset spring 12 has been cup jointed to connecting rod 11's right side outside, reset spring 12's left side is connected and is thinned the outer wall of case 1, reset spring 12's right side connection fixed plate, fixed stripper plate 14, initiative stripper plate 13 and driven stripper plate 15's unsmooth surface, be connected with tension spring 21 between two sliding blocks, the downside four corners that refines case 1 is connected with the supporting leg respectively, and the rubber pad is installed to the supporting leg bottom.

Through the preliminary crushing roller 3 that sets up, can carry out preliminary crushing with coarse aggregate, the less coarse aggregate of particle diameter can be through the filter screen whereabouts to the whereabouts, and the great coarse aggregate of particle diameter can not fall, continue to be smashed by the preliminary crushing roller, the coarse aggregate of whereabouts falls in the stripper plate, then first motor 8 drives cam 9 and rotates, cam 9 makes initiative stripper plate 13 move to the left side through connecting rod 11, and reset spring 12 makes its right side move, thereby realize that initiative stripper plate 13 moves about, initiative stripper plate 13 moves left and extrudees driven stripper plate 15 and moves left, thereby realize the regrinding to coarse aggregate.

Example 2

As shown in fig. 1-2, the device for refining coarse aggregates in recycled concrete crushed aggregates comprises a refining box 1, wherein the front and rear inner walls of the refining box 1 are respectively and correspondingly provided with a rotating shaft 4, the outer side of the rotating shaft 4 is fixedly welded with a primary crushing roller 3, the lower side of the primary crushing roller 3 is provided with a filter screen 23, the left and right inner walls of the refining box 1 are welded with brackets 6, the brackets 6 are welded with inclined baffles 5, the outer side of the refining box 1 is welded with a support plate 7, the lower side of the support plate 7 is provided with a first motor 8, an output shaft of the first motor 8 is fixedly connected with a cam 9, the middle parts of the front and rear inner walls of the refining box 1 are provided with a sliding groove 24, the inside of the sliding groove 24 is connected with three sliding blocks 16 in a sliding manner, the left sides of the three sliding blocks 16 are respectively, the left side fixedly connected with initiative stripper plate 13 of connecting rod 11, the right-hand member of connecting rod 11 is connected with runner 10, and runner 10 rotates with cam 9 to be connected, refines the downside of case 1 and controls the inner wall and be connected with transmission shaft 18, and the outside welding of transmission shaft 18 has spiral leaf 19, refines the left side of case 1 and installs second motor 17, and the output shaft of second motor 17 passes through the wheel area with transmission shaft 18 and rotates to be connected, refines the right side bottom of case 1 and has seted up discharge gate 20.

Through the second motor 17 of installation, can drive transmission shaft 18 through the band pulley and rotate, transmission shaft 18 rotates and drives its outside spiral leaf 19 and rotate to promote the material to the right side, then collect through discharge gate 20.

The working principle is as follows: when the utility model is used, coarse aggregate is added into the device from the aggregate port and is primarily crushed by the primary crushing roller 3, the coarse aggregate with proper particle size moves downwards through the filter screen, then the first motor 8 is opened, the first motor 8 drives the cam 9 to rotate, the cam 9 rotates to drive the connecting rod 11 to move leftwards, the reset spring 12 drives the connecting rod 11 to move leftwards through tension, thereby realizing the left-right movement of the connecting rod 11, the connecting rod 11 drives the driving extrusion plate 13 to move leftwards, the driving extrusion plate 13 extrudes the driven extrusion plate 15 to move leftwards, the tension spring 21 drives the driven extrusion plate to move rightwards, thereby realizing the left-right movement of the driven extrusion plate 15, thereby realizing the secondary crushing and refining treatment of the coarse aggregate, after the treatment is finished, the material falls on the bottom of the refining box 1, then the second motor 17 is opened, the second motor 17 drives the transmission shaft 18 to rotate through the belt, thereby pushing the material to the right and collecting it through the outlet 20.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Coarse aggregate refines device in recycled concrete crushed aggregates, including refining case (1), its characterized in that: the utility model discloses a refining box, including refining box (1), pivot (4) are installed to the front and back inner wall correspondence respectively, the fixed welding in pivot (4) outside has preliminary crushing roller (3), filter screen (23) are installed to preliminary crushing roller (3) downside, refine box (1) about the inner wall welding have support (6), the welding has baffle (5) of slope on support (6), the outside welding that refines box (1) has backup pad (7), first motor (8) are installed to the downside of backup pad (7), the output shaft fixedly connected with cam (9) of first motor (8), sliding tray (24) have been seted up at the front and back inner wall middle part of refining box (1), sliding tray (24) inside sliding connection has three (16), and is three sliding tray (16) left side has welded respectively two driven stripper plates (15) and a fixed stripper plate (14), thin case (1) left and right sides lateral wall middle part welding has fixed block (22), fixed block (22) inside sliding connection has connecting rod (11), the left side fixedly connected with initiative stripper plate (13) of connecting rod (11), the right-hand member of connecting rod (11) is connected with runner (10), runner (10) are rotated with cam (9) and are connected.

2. The apparatus for refining coarse aggregates in recycled concrete crushed aggregates according to claim 1, wherein: the right side of the connecting rod (11) is sleeved with a return spring (12), the left side of the return spring (12) is connected with the outer wall of the thinning box (1), and the right side of the return spring (12) is connected with a fixing plate.

3. The apparatus for refining coarse aggregates in recycled concrete crushed aggregates according to claim 1, wherein: the surfaces of the fixed extrusion plate (14), the driving extrusion plate (13) and the driven extrusion plate (15) are uneven, and a tension spring (21) is connected between the two sliding blocks (16).

4. The apparatus for refining coarse aggregates in recycled concrete crushed aggregates according to claim 1, wherein: the lower side four corners of the thinning box (1) are respectively connected with supporting legs, and rubber pads are installed at the bottoms of the supporting legs.

5. The apparatus for refining coarse aggregates in recycled concrete crushed aggregates according to claim 1, wherein: inner wall connection has transmission shaft (18) about the downside of refining case (1), the outside welding of transmission shaft (18) has spiral leaf (19), refine the left side of case (1) and install second motor (17), the output shaft of second motor (17) is connected through the wheel belt rotation with transmission shaft (18), discharge gate (20) have been seted up to the right side bottom of refining case (1).