Crushing equipment for manufacturing recycled concrete aggregate

Abstract

The utility model discloses crushing equipment for recycled concrete aggregate manufacturing, which relates to the technical field of concrete aggregate manufacturing and comprises a fixing frame, a shell unit, a processing unit, a crushing unit and a rotating unit. The crushing unit comprises a main crushing roller movably arranged in the center of the interior of the machining unit and auxiliary crushing rollers movably arranged on the two sides of the main crushing roller and used for crushing concrete aggregate, and the rotating unit comprises a rotating cylinder fixedly connected to one side of the shell unit. And the rotary motor is fixedly connected to the center of the top of the rotary cylinder and is used for secondary processing of the rotary aggregate. According to the crushing equipment for manufacturing the recycled concrete aggregate, the recycled concrete aggregate can be quickly crushed, the crushing efficiency is high, the crushing equipment has the function of performing secondary rotary crushing on the crushed aggregate, the crushing effect of the recycled concrete aggregate can be improved, and the crushing efficiency of the recycled concrete aggregate is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete aggregate manufacturing, in particular to a crushing device for manufacturing recycled concrete aggregate. Background Art

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel (mainly coarse aggregate), and then adding cement, water, etc. There are several types of recycled concrete according to the combination of aggregates: all aggregates are recycled aggregates, coarse aggregates are recycled aggregates and fine aggregates are natural sand, coarse aggregates are natural crushed stone or pebbles, and fine aggregates are recycled aggregates, recycled aggregates replace part of the coarse aggregate or fine aggregate, and the recycled aggregate components include not only a small amount of stone separated from the mortar, some stone wrapped in the mortar, but also a small amount of independent cement mortar.

[0003] Publication (Announcement) No.: CN213966767U, discloses a recycled concrete aggregate crushing device, which can be lowered along with the output end of the hydraulic cylinder through a connecting plate, so that the counterweight block can fully squeeze and crush the concrete, and when the connecting plate rises in the return stroke, the ratchet plate can drive the ratchet gear to rotate, and after being driven by the bevel gear, the two cams can swing back and forth to drive the screen plate to oscillate, and under the scraping action of the scraper, the crushed materials can fall smoothly from the screen holes, thereby avoiding the trouble of manual cleaning and greatly improving the crushing efficiency of the concrete.

[0004] In the above patent, the recycled concrete aggregate is crushed by extrusion and vibration, but the crushing effect is relatively poor, the crushing is not uniform and comprehensive enough, the incompletely crushed aggregate is difficult to crush, and there is no function to rotate the incompletely crushed aggregate for secondary crushing. Therefore, it is necessary to provide a crushing equipment for the manufacture of recycled concrete aggregate. Utility Model Content

[0005] The main purpose of the utility model is to provide a crushing device for manufacturing recycled concrete aggregate, which can effectively solve the problems in the background technology that the crushing effect is relatively poor, the crushing is not uniform and comprehensive enough, the incompletely crushed aggregate is difficult to crush, and the incompletely crushed aggregate cannot be rotated for secondary crushing.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a crushing device for manufacturing recycled concrete aggregate, comprising a fixed frame, a shell unit embedded at the top center of the fixed frame, and a processing unit fixedly connected between the inner walls of the shell unit, and also comprising a crushing unit arranged inside the processing unit and a rotary unit arranged on one side of the shell unit;

[0007] The crushing unit comprises a main crushing roller movably arranged at the center of the processing unit, and auxiliary crushing rollers movably arranged on both sides of the main crushing roller for crushing concrete aggregates;

[0008] The rotary unit comprises a rotary drum fixedly connected to one side of a housing unit, and a rotary motor fixedly connected to the top center of the rotary drum for secondary processing of rotary aggregate.

[0009] Preferably, the housing unit comprises a crushing box embedded in the top center of the fixing frame, and a material inlet opened in the top center of the crushing box.

[0010] Preferably, the processing unit comprises a crushing table fixedly connected between the inner walls of the crushing box, and a crushing cavity penetrating and opened at the inner concave center of the top of the crushing table.

[0011] Preferably, the crushing unit also includes a rotating motor fixedly connected to the rear end face of the crushing box, a first rotating shaft fixedly connected to the driving end of the rotating motor, a main gear sleeved on the outer surface of the first rotating shaft, and a slave gear fixedly connected to one end of the two auxiliary crushing rollers.

[0012] Preferably, the rotary unit also includes an inclined plate fixedly connected between the inner walls of the crushing box, a rotary inlet opened at the connection between the crushing box and the rotary drum, a rotary outlet opened at the connection between the crushing box and the rotary drum and located directly above the rotary inlet, a second rotating shaft fixedly connected to the driving end of the rotary motor, and a spiral blade fixedly connected to the outer surface of the second rotating shaft.

[0013] Preferably, the main gear is meshedly connected with the two slave gears respectively, the other end of the first rotating shaft is fixedly connected with one end of the main crushing roller, and the main crushing roller and the two auxiliary crushing rollers are movably arranged between the inner walls of the crushing chamber.

[0014] Preferably, the inclination angle of the inclined plate is consistent with the inclination angle of the rotary inlet, the rotary outlet is located directly above the crushing table, and the driving end of the rotary motor is fixedly connected to the top end of the second rotating shaft.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, the recycled concrete aggregate to be crushed is injected into the interior of the crushing box through the feeding port, and falls into the interior of the crushing chamber inside the crushing table, and then the rotating motor is started, the rotating motor drives the first rotating shaft to rotate, the rotation of the first rotating shaft drives the main crushing roller to rotate, and then the rotation of the first rotating shaft drives the main gear to rotate, and the meshing of the main gear and the two slave gears drives the two auxiliary crushing rollers to rotate, and the aggregate is crushed under the rotation of the main crushing roller and the two auxiliary crushing rollers. This structure can quickly crush the recycled concrete aggregate, the crushing efficiency is fast, and the efficiency of recycled concrete aggregate manufacturing is guaranteed.

[0017] 2. In the utility model, when the crushed aggregate falls from the crushing chamber of the crushing table to the inclined plate, the aggregate that meets the crushing requirements falls through the inclined plate and is discharged from the bottom of the crushing box, and the unqualified aggregate slides obliquely through the rotary inlet into the interior of the rotary drum, and then the rotary motor is started to drive the second rotating shaft to rotate inside the rotary drum. The rotation of the second rotating shaft drives the spiral blade to rotate at a high speed. The high-speed rotation of the spiral blade pushes the entering aggregate up by the spiral, and is discharged from the rotary outlet into the interior of the crushing box, and slides through the crushing table to the interior of the crushing chamber for secondary crushing. This structure has the function of performing secondary rotary crushing on the crushed aggregate, which can improve the crushing effect of the recycled concrete aggregate and ensure the crushing efficiency of the recycled concrete aggregate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view internal cross-section structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the partial top view of the internal cross-section structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 For this utility model Figure 2 Enlarged structural diagram at B in the middle.

[0023] In the figure:

[0024] 100, fixed frame;

[0025] 200, housing unit; 201, crushing box; 202, feed inlet;

[0026] 300, processing unit; 301, crushing table; 302, crushing chamber;

[0027] 400, crushing unit; 401, rotating motor; 402, first rotating shaft; 403, main crushing roller; 404, main gear; 405, auxiliary crushing roller; 406, slave gear;

[0028] 500, rotary unit; 501, rotary drum; 502, rotary motor; 503, inclined plate; 504, rotary inlet; 505, rotary outlet; 506, second rotary shaft; 507, spiral blade. DETAILED DESCRIPTION Example 1

[0029] Please refer to Figure 1 — Figure 5 As shown, the utility model is a crushing device for manufacturing recycled concrete aggregate, comprising a fixing frame 100, a shell unit 200 embedded at the top center of the fixing frame 100, and a processing unit 300 fixedly connected between the inner walls of the shell unit 200, and also comprising a crushing unit 400 arranged inside the processing unit 300 and a rotary unit 500 arranged at one side of the shell unit 200;

[0030] The rotary unit 500 includes a rotary drum 501 fixedly connected to one side of the housing unit 200 , and a rotary motor 502 fixedly connected to the top center of the rotary drum 501 for rotating aggregate for secondary processing.

[0031] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the shell unit 200 includes a crushing box 201 embedded in the top center of the fixing frame 100, and an inlet 202 opened at the top center of the crushing box 201. The crushing box 201 is convenient for injecting recycled concrete aggregate into the interior through the inlet 202 for crushing.

[0032] like Figure 2 and Figure 3 As shown, the processing unit 300 includes a crushing table 301 fixedly connected to the inner wall of the crushing box 201, and a crushing cavity 302 penetrating through the center of the concave top of the crushing table 301. The crushing table 301 is set, and the crushing cavity 302 opened at the concave top is used for the entry of recycled concrete aggregate for crushing, and the crushing is performed by the main crushing roller 403 and two auxiliary crushing rollers 405 inside the crushing cavity 302.

[0033] like Figure 2 — Figure 4As shown, the crushing unit 400 includes a main crushing roller 403 movably arranged at the center of the processing unit 300, and auxiliary crushing rollers 405 movably arranged on both sides of the main crushing roller 403 for crushing concrete aggregates. The crushing unit 400 also includes a rotating motor 401 fixedly connected to the rear end surface of the crushing box 201, a first rotating shaft 402 fixedly connected to the driving end of the rotating motor 401, a main gear 404 sleeved on the outer surface of the first rotating shaft 402, and a slave gear 406 fixedly connected to one end of the two auxiliary crushing rollers 405. The main gear 404 is meshed with the two slave gears 406 respectively, and the other end of the first rotating shaft 402 is fixedly connected to one end of the main crushing roller 403. The main crushing roller 403 and the two auxiliary crushing rollers 405 are all movably arranged between the inner walls of the crushing chamber 302.

[0034] Working principle: First, the recycled concrete aggregate to be crushed is injected into the crushing box 201 through the feed port 202, and falls into the crushing chamber 302 inside the crushing table 301, and then the rotating motor 401 is started, the rotating motor 401 drives the first rotating shaft 402 to rotate, and the rotation of the first rotating shaft 402 drives the main crushing roller 403 to rotate, and then the rotation of the first rotating shaft 402 drives the main gear 404 to rotate, and the meshing of the main gear 404 and the two slave gears 406 drives the two auxiliary crushing rollers 405 to rotate, and the aggregate is crushed under the rotation of the main crushing roller 403 and the two auxiliary crushing rollers 405. This structure can quickly crush the recycled concrete aggregate, the crushing efficiency is high, and the efficiency of recycled concrete aggregate manufacturing is guaranteed. Example 2

[0035] Please refer to Figure 1 — Figure 5 As shown, the utility model is a crushing device for manufacturing recycled concrete aggregate, comprising a fixing frame 100, a shell unit 200 embedded at the top center of the fixing frame 100, and a processing unit 300 fixedly connected between the inner walls of the shell unit 200, and also comprising a crushing unit 400 arranged inside the processing unit 300 and a rotary unit 500 arranged at one side of the shell unit 200;

[0036] The crushing unit 400 includes a main crushing roller 403 movably disposed at the center of the processing unit 300 , and auxiliary crushing rollers 405 movably disposed at both sides of the main crushing roller 403 for crushing concrete aggregates.

[0037] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the shell unit 200 includes a crushing box 201 embedded in the top center of the fixing frame 100, and an inlet 202 opened at the top center of the crushing box 201. The crushing box 201 is convenient for injecting recycled concrete aggregate into the interior through the inlet 202 for crushing.

[0038] like Figure 2 and Figure 3 As shown, the processing unit 300 includes a crushing table 301 fixedly connected to the inner wall of the crushing box 201, and a crushing cavity 302 penetrating through the center of the concave top of the crushing table 301. The crushing table 301 is set, and the crushing cavity 302 opened at the concave top is used for the entry of recycled concrete aggregate for crushing, and the crushing is performed by the main crushing roller 403 and two auxiliary crushing rollers 405 inside the crushing cavity 302.

[0039] like Figure 1 , Figure 2 and Figure 5 As shown, the rotary unit 500 includes a rotary drum 501 fixedly connected to one side of the shell unit 200, and a rotary motor 502 fixedly connected at the top center of the rotary drum 501 for secondary processing of rotary aggregate. The rotary unit 500 also includes an inclined plate 503 fixedly connected between the inner walls of the crushing box 201, a rotary inlet 504 opened at the connection between the crushing box 201 and the rotary drum 501, a rotary outlet 505 opened at the connection between the crushing box 201 and the rotary drum 501 and located directly above the rotary inlet 504, a second rotating shaft 506 fixedly connected to the driving end of the rotary motor 502, and a spiral blade 507 fixedly connected to the outer surface of the second rotating shaft 506. The inclination angle of the inclined plate 503 is consistent with the inclination angle of the rotary inlet 504. The rotary outlet 505 is located directly above the crushing table 301. The driving end of the rotary motor 502 is fixedly connected to the top of the second rotating shaft 506.

[0040] Working principle: When the crushed aggregate falls from the crushing chamber 302 of the crushing table 301 to the inclined plate 503, the aggregate that meets the crushing requirements falls through the inclined plate 503 and is discharged from the bottom of the crushing box 201, and the unqualified aggregate slides obliquely through the rotary inlet 504 into the interior of the rotary drum 501, and then the rotary motor 502 is started, and the rotary motor 502 drives the second rotating shaft 506 to rotate inside the rotary drum 501. The rotation of the second rotating shaft 506 drives the spiral blade 507 to rotate at a high speed. The high-speed rotation of the spiral blade 507 pushes the entering aggregate up, and is discharged from the rotary outlet 505 into the interior of the crushing box 201, and slides through the crushing table 301 to the inside of the crushing chamber 302 for secondary crushing. This structure has the function of performing secondary rotary crushing on the crushed aggregate, which can improve the crushing effect of the recycled concrete aggregate and ensure the crushing efficiency of the recycled concrete aggregate.

Claims

1. A crushing device for producing recycled concrete aggregate, comprising a fixed frame (100), a shell unit (200) embedded in the center of the top of the fixed frame (100), and a processing unit (300) fixedly connected between the inner walls of the shell unit (200), It is characterized in that It also includes a crushing unit (400) arranged inside the processing unit (300) and a rotating unit (500) arranged on one side of the housing unit (200); The crushing unit (400) comprises a main crushing roller (403) movably arranged at the center of the processing unit (300), and auxiliary crushing rollers (405) movably arranged on both sides of the main crushing roller (403) for crushing concrete aggregates; The rotary unit (500) comprises a rotary drum (501) fixedly connected to one side of the housing unit (200), and a rotary motor (502) fixedly connected to the top center of the rotary drum (501) for rotating aggregate for secondary processing.

2. A crushing device for producing recycled concrete aggregate according to claim 1, Features: The housing unit (200) comprises a crushing box (201) embedded in the top center of the fixing frame (100), and a material inlet (202) opened in the top center of the crushing box (201).

3. A crushing device for producing recycled concrete aggregate according to claim 2, Features: The processing unit (300) comprises a crushing table (301) fixedly connected between the inner walls of the crushing box (201), and a crushing chamber (302) penetrating through the inner concave center of the top of the crushing table (301).

4. A crushing device for producing recycled concrete aggregate according to claim 3, Features: The crushing unit (400) further comprises a rotating motor (401) fixedly connected to the rear end face of the crushing box (201), a first rotating shaft (402) fixedly connected to the driving end of the rotating motor (401), a main gear (404) sleeved on the outer surface of the first rotating shaft (402), and a slave gear (406) fixedly connected to one end of the two auxiliary crushing rollers (405).

5. A crushing device for producing recycled concrete aggregate according to claim 3, Features: The rotary unit (500) further comprises an inclined plate (503) fixedly connected between the inner walls of the crushing box (201), a rotary inlet (504) provided at the connection between the crushing box (201) and the rotary drum (501), a rotary outlet (505) provided at the connection between the crushing box (201) and the rotary drum (501) and located directly above the rotary inlet (504), a second rotating shaft (506) fixedly connected to the driving end of the rotary motor (502), and a spiral blade (507) fixedly connected to the outer surface of the second rotating shaft (506).

6. A crushing device for producing recycled concrete aggregate according to claim 4, Features: The main gear (404) is meshedly connected to the two slave gears (406), the other end of the first rotating shaft (402) is fixedly connected to one end of the main crushing roller (403), and the main crushing roller (403) and the two auxiliary crushing rollers (405) are movably arranged between the inner walls of the crushing chamber (302).

7. A crushing device for producing recycled concrete aggregate according to claim 5, Features: The inclination angle of the inclined plate (503) is consistent with the inclination angle of the rotary inlet (504), the rotary outlet (505) is located directly above the crushing table (301), and the driving end of the rotary motor (502) is fixedly connected to the top end of the second rotating shaft (506).

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