Efficient screening device based on construction waste

By using a hydraulically controlled crushing mechanism and a magnetic screening device, the problem of difficulty in adjusting the degree of crushing fineness in existing devices has been solved, achieving efficient screening and recycling of construction waste.

CN223847021UActive Publication Date: 2026-01-30QINGDAO QINGFANG JIANAN GRP CO LTD
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Patent Information

Application Number
CN202520279456.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-30
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing waste treatment equipment cannot easily change the degree of fineness of crushing when crushing construction waste, making it difficult to adjust the particle size and affecting the efficient recycling of construction waste.

Method used

An adjustable crushing mechanism is adopted, which controls the distance between the active and driven crushing rollers through a hydraulic cylinder. Combined with magnets and screen plates, it can adjust the fineness of construction waste and separate metals from non-metals.

Benefits of technology

It enables the adjustment of the crushing and fineness of construction waste as needed, improves the practicality and applicability of the device, and achieves efficient separation and recycling of steel bars and concrete.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of construction waste recycling, in particular to an efficient screening device based on construction waste, which comprises a box body, a feed port is arranged at the upper end of the box body, and an adjustable crushing mechanism is arranged in the box body. The crushing mechanism comprises a driving crushing roller and a driven crushing roller which is in transmission connection with the driving crushing roller through a gear set, a first rotating shaft and a second rotating shaft are rotationally connected in the box body, and the first rotating shaft is connected with the driving crushing roller through a first movable rod; and the second rotating shaft is connected with the driven crushing roller through a second movable rod, two hydraulic cylinders are symmetrically and fixedly connected to the inner side wall of the box body, and the output ends of the two hydraulic cylinders are connected with the first rotating shaft and the second rotating shaft correspondingly. The construction waste crushing and refining device solves the problems that the crushing and refining degree of an existing waste treatment device on construction waste is not easy to change, and the size of crushed particles is inconvenient to adjust.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building garbage recycling technical field, concretely is a kind of efficient screening device based on building garbage. BACKGROUND

[0002] Many wastes in building garbage can be reused as renewable resources after sorting, rejecting or crushing, such as waste steel bars, waste iron wires and various waste steel fittings, which can be processed into steel bars of various specifications after sorting, concentrating and re-melting.

[0003] The existing garbage treatment device is not easy to change the crushing and refining degree of building garbage, and it is not convenient to adjust the particle size after crushing, which leads to inefficient and flexible treatment of waste during recycling of building garbage, and reduces the use effect of building garbage crushing device. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of efficient screening device based on building garbage, solve the problem that the crushing and refining degree of building garbage of existing garbage treatment device is not easy to change, it is not convenient to adjust the particle size after crushing.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of efficient screening device based on building garbage, including box, the box upper end is equipped with inlet, the box interior is equipped with adjustable crushing mechanism, the crushing mechanism includes driving pulverizer and the driven pulverizer transmission connection by gear set with the driving pulverizer, the box is rotatably connected with first rotating shaft and second rotating shaft, the first rotating shaft is connected with the driving pulverizer by first movable link, the second rotating shaft is connected with the driven pulverizer by second movable link, the inner side wall of the box is fixedly connected with two hydraulic cylinders symmetrically, the output of two hydraulic cylinders is connected with the first rotating shaft and the second rotating shaft respectively.

[0006] The above structure design is adopted, the distance between driving pulverizer and driven pulverizer is controlled by two hydraulic cylinders to adapt to building garbage of different sizes, so that the crushing and refining degree of building garbage can be adjusted as required, the practicability and applicability of the device are increased.

[0007] Preferably, the box is equipped with conveying belt, and the conveying belt is located below the crushing mechanism.

[0008] The above scheme design is adopted, the reinforcing steel bar and concrete are preliminarily separated after the crushing mechanism crushes building garbage, and the reinforcing steel bar and concrete after crushing are transported on the conveying belt.

[0009] Preferably, a magnet is provided on the conveyor belt, and a screening plate is installed on the right side of the conveyor belt, with the lower end of the screening plate close to the conveyor belt.

[0010] With the above design, when the crushed steel bars and concrete are transported on the conveyor belt, the magnet will attract the steel bars and other metals, causing the steel bars to be attracted to the magnet, thereby separating the steel bars from the concrete, and scraping the steel bars off the conveyor belt through the screen plate.

[0011] Preferably, the box contains a first collection car and a second collection car. The first collection car is located below the left end of the conveyor belt, and the second collection car is located below the right end of the conveyor belt. Both the first collection car and the second collection car can be pulled out of the box.

[0012] With the above structural design, the separated concrete falls into the first aggregate car when passing the left side of the conveyor belt, and the steel bars are scraped off by the screen plate when passing the right side of the conveyor belt and fall into the second aggregate car, thus realizing the screening function of construction waste.

[0013] Preferably, one end of the first rotating shaft passes through the housing and is equipped with a drive motor, which is fixed to the outer wall of the housing.

[0014] Preferably, one end of the active crushing roller is fixed with an active gear, and a drive gear is fixedly sleeved on the first rotating shaft, the drive gear being able to drive the active gear to rotate.

[0015] With the above structural design, the drive motor drives the first rotating shaft to rotate, which in turn drives the active crushing roller and the driven crushing roller to rotate relative to each other.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] Two hydraulic cylinders control the distance between the active and driven crushing rollers to accommodate construction waste of different sizes. This allows the device to adjust the degree of crushing as needed, increasing its practicality and applicability. After the crushing mechanism crushes the construction waste, the reinforcing steel and concrete are initially separated. The crushed steel and concrete then fall onto a conveyor belt for transport. As the crushed steel and concrete are transported on the conveyor belt, magnets attract the steel bars and other metals, causing them to adhere to the magnets and thus separating the steel bars from the concrete. The steel bars are then scraped off the conveyor belt by a screen plate. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the internal structure of the present invention;

[0019] Fig. 2 This is a three-dimensional structural diagram of the crushing mechanism of this utility model;

[0020] Fig. 3 The utility model discloses a front view of the crushing mechanism. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model protection.

[0022] Please refer to Figs. 1 to 3 The utility model provides a kind of technical scheme: a kind of high-efficiency screening device based on construction waste, including box 1, the upper end of the box 1 is equipped with feed inlet 8, adjustable crushing mechanism 2 is installed in the inside of the box 1, the crushing mechanism 2 includes driving pulverizing roller 201 and the driven pulverizing roller 202 that is connected with the driving pulverizing roller 201 by gear set transmission, the first rotating shaft 204 and the second rotating shaft 205 are rotatably connected in the box 1, the driving pulverizing roller 201, driven pulverizing roller 202, first rotating shaft 204 and second rotating shaft 205 are arranged in parallel, the first rotating shaft 204 is located below the driving pulverizing roller 201, the second rotating shaft 205 is located below the driven pulverizing roller 202, the first rotating shaft 204 is connected with the front end of the driving pulverizing roller 201 by first movable rod 208, the second rotating shaft 205 is connected with the front end of the driven pulverizing roller 202 by second movable rod 209, the rear end of the driving pulverizing roller 201 and the driven pulverizing roller 202 is connected with the first rotating shaft 204 and second rotating shaft 205 respectively by connecting rod, the inner side wall of the box 1 is fixedly connected with two hydraulic cylinders 4 symmetrically, the output end of two hydraulic cylinders 4 is connected with the first rotating shaft 204 and the second rotating shaft 205 respectively.

[0023] Conveying belt 3 is installed in the box 1, and the conveying belt 3 is located below the crushing mechanism 2. The width of the conveying belt 3 is greater than the length of the driving pulverizing roller 201 and the driven pulverizing roller 202.

[0024] Magnet 301 is arranged on the conveying belt 3, and screening plate 5 is installed at the right side of the conveying belt 3. The upper end of the screening plate 5 is fixedly connected to the box 1, and the lower end of the screening plate 5 is close to the conveying belt 3.

[0025] The box 1 is provided with a first aggregate car 6 and a second aggregate car 7, the first aggregate car 6 is located below the left end of the conveying belt 3, the second aggregate car 7 is located below the right end of the conveying belt 3, and the first aggregate car 6 and the second aggregate car 7 can be pulled out from the box 1.

[0026] One end of the first rotating shaft 204 penetrates through the box 1 and is provided with a driving motor 203, and the driving motor 203 is fixed on the outer side wall of the box 1.

[0027] One end of the driving roller 201 is fixed with a driving gear 206, a driving gear is fixedly sleeved on the first rotating shaft 204, and the driving gear can drive the driving gear 206 to rotate. One end of the driven roller 202 is fixed with a driven gear, and two connecting gears are engaged between the driving gear 206 and the driven gear.

[0028] Working principle: the staff first starts the driving motor 203, so that the output end of the driving motor 203 drives the first rotating shaft 204 to rotate, thereby driving the driving gear 206 to rotate, and through the transmission of the gear, the driving roller 201 is driven to rotate, and the driven roller 202 is driven to rotate relatively through the gear set, then the staff adds the construction waste into the box 1 through the feeding port 8, and the construction waste is crushed by the two relatively rotating crushing rollers, so that the reinforcing steel bars and the concrete are separated, after the crushing mechanism 2 crushes the construction waste, the reinforcing steel bars and the concrete fall on the conveying belt 3 for transportation. When the crushed reinforcing steel bars and concrete are transported on the conveying belt 3, the magnet 301 can adsorb the reinforcing steel bars and other metals, and the separated concrete falls into the first aggregate car 6 when passing through the left side of the conveying belt 3, and the reinforcing steel bars are scraped by the screening plate 5 and fall into the second aggregate car 7 when passing through the right side of the conveying belt 3, so as to realize the screening function of the construction waste. The distance between the driving roller 201 and the driven roller 202 is controlled by the two hydraulic cylinders 4 to adapt to construction waste of different sizes, so that the device can adjust the crushing and refining degree of the construction waste according to the needs, and the practicability and applicability of the device are increased.

[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. Although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high efficiency screening device based on construction waste comprising a box (1), characterized in that: The box (1) upper end is provided with a feed inlet (8), the box (1) inside is mounted with adjustable crushing mechanism (2), the crushing mechanism (2) includes driving pulverizing roller (201) and through the gear set with driving pulverizing roller (201) transmission connection driven pulverizing roller (202), the box (1) is rotatably connected with first rotating shaft (204) and second rotating shaft (205), the first rotating shaft (204) is connected with the driving pulverizing roller (201) through the first movable rod (208), the second rotating shaft (205) is connected with the driven pulverizing roller (202) through the second movable rod (209), the inside wall of the box (1) is fixedly connected with two hydraulic cylinders (4) symmetrically, the output end of two hydraulic cylinders (4) is connected with the first rotating shaft (204) and the second rotating shaft (205) respectively.

2. A high efficiency screening device based on construction waste as claimed in claim 1, wherein: The box (1) is provided with a conveying belt (3), and the conveying belt (3) is located below the crushing mechanism (2).

3. A high efficiency screening device based on construction waste as claimed in claim 2, wherein: The conveying belt (3) is provided with a magnet (301), and a screening plate (5) is installed on the right side of the conveying belt (3), and the lower end of the screening plate (5) is close to the conveying belt (3).

4. The high efficiency screening device based on construction waste according to claim 2 or 3, characterized in that: The box (1) is provided with a first collecting vehicle (6) and a second collecting vehicle (7), the first collecting vehicle (6) is located below the left end of the conveying belt (3), the second collecting vehicle (7) is located below the right end of the conveying belt (3), and the first collecting vehicle (6) and the second collecting vehicle (7) can be pulled out from the box (1).

5. A high efficiency screening device based on construction waste as claimed in claim 1, wherein: One end of the first rotating shaft (204) penetrates the box (1) and is provided with a driving motor (203), and the driving motor (203) is fixed on the outer wall of the box (1).

6. A high efficiency screening device based on construction waste as claimed in claim 5, wherein: One end of the driving pulverizing roller (201) is fixed with a driving gear (206), and a driving gear is fixedly arranged on the first rotating shaft (204), and the driving gear can drive the driving gear (206) to rotate.