Pretreatment device for garbage classification

By introducing electromagnets and hydraulic rods into the waste sorting device, the problem of metal object recycling was solved, and the efficiency of metal object recycling and crushing was improved.

CN223517618UActive Publication Date: 2025-11-07ZHUHAI HUAFA MUNICIPAL SERVICES CO LTD
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Patent Information

Application Number
CN202422793178.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-11-07
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Existing waste sorting devices are not convenient for recycling metal objects in construction waste, resulting in the metal objects being mixed with the crushed waste and causing metal waste.

Method used

A pretreatment device comprising an electromagnet and a hydraulic rod was designed. The electromagnet attracts the pulverized metal objects, and the hydraulic rod compresses the solid waste to improve pulverization efficiency, thereby achieving efficient recycling of metal objects and efficient operation of the pulverization components.

Benefits of technology

It enables the effective recycling of metal objects, avoids metal waste, and improves the crushing efficiency of solid waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pretreatment device for garbage classification, which belongs to the technical field of solid garbage pretreatment, solves the problems that metal objects in construction garbage are inconvenient to recycle and are mixed with crushed garbage to cause waste of the metal objects in the conventional device, and comprises a pretreatment box, the front side of the pretreatment box is provided with a drawing opening located below the crushing assembly, the drawing opening is internally provided with a metal recovery assembly in a drawable mode, and the top of the pretreatment box is provided with an extrusion assembly. The metal objects doped in the waste can be adsorbed by the electromagnet, then the electromagnet is taken out from the interior of the pretreatment box, then the power supply of the electromagnet is turned off, and the metal objects adsorbed on the electromagnet can fall off, so that the purpose of conveniently screening the metal objects from the crushed solid waste is achieved, and the metal objects are favorably recycled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to solid garbage pretreatment technical field, specifically for the pretreatment device for garbage classification. BACKGROUND

[0002] Garbage classification refers to the activity of classified putting, collecting, transporting and treating garbage according to certain rules or standards, and solid garbage is one kind of garbage, mainly including domestic garbage, industrial solid waste, agricultural solid waste and construction garbage, and the solid garbage in garbage classification needs to be pretreated, that is, the solid garbage is pretreated and crushed, and the construction garbage is mixed with metal objects, such as iron wire and steel bar.

[0003] Through the search, the application No. 202322408594.7 application discloses a solid garbage pretreatment device for garbage classification, which comprises a pretreatment box, two groups of crushing rollers are rotatably installed in the interior of the pretreatment box through bearings, a first motor is fixedly installed at the position corresponding to the crushing roller on the front side of the pretreatment box, the rotating shaft of the output end of the first motor is fixedly connected with one end of the corresponding crushing roller, and a discharge port is arranged at the bottom of the pretreatment box.

[0004] Although the solid garbage pretreatment device for garbage classification can avoid the accumulation of crushed garbage on the external conveying structure caused by too fast discharging by the two groups of crushing rollers, the rotating shaft, the welding plate and the second motor arranged in the discharge port, the solid garbage pretreatment device for garbage classification is not convenient for recycling the metal objects in the construction garbage, and the metal objects are mixed with the crushed garbage, resulting in waste of the metal objects.

[0005] Therefore, we propose a pretreatment device for garbage classification. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a pretreatment device for garbage classification, which solves the problem that the prior art is not convenient for recycling the metal objects in the construction garbage, and the metal objects are mixed with the crushed garbage, resulting in waste of the metal objects.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a pretreatment device for garbage classification, comprising a pretreatment box, a feed hopper is installed on one side of the top surface of the pretreatment box, a discharge pipe and a supporting leg are fixedly installed at the center and four corners of the bottom surface of the pretreatment box respectively, and a crushing assembly is arranged in the interior of the pretreatment box.

[0008] The front side of the pre-treatment box is provided with a pull-out opening below the crushing assembly, the inside of the pull-out opening is provided with a metal recycling assembly which can be pulled out, and the top of the pre-treatment box is provided with a pressing assembly.

[0009] The metal recycling assembly comprises a mounting plate, a mounting frame, electromagnets, insulating pads and a handle, the mounting plate is movably sleeved in the inside of the pull-out opening, the mounting plate is fixedly installed with the mounting frame which is movably sleeved in the inside of the pre-treatment box at the middle of the side close to the pre-treatment box, and the inner wall of the mounting frame is fixedly installed with the electromagnets which are linearly arranged.

[0010] Preferably, the insulating pads are connected with the power supply through wires, the two ends of the electromagnets are fixedly installed with the insulating pads, the side away from the mounting frame of the mounting plate is fixedly installed with the handle, and the specifications of the mounting plate are the same as those of the pull-out opening, wherein the insulating pads generate strong magnetic force after being electrified, and the metal objects mixed in the garbage crushed by the crushing assembly are adsorbed by the insulating pads.

[0011] Preferably, the pressing assembly comprises a hydraulic rod, a pressing plate, pressing strips and grooves, the hydraulic rod is fixedly installed at the middle of the top surface of the pre-treatment box, and the output end of the hydraulic rod penetrates through the top surface of the pre-treatment box and is fixedly installed on the top surface of the pressing plate, wherein the pressing plate can be driven to move up and down by the hydraulic rod, and then the solid garbage located above the crushing assembly is pressed on the first crushing roller and the second crushing roller, so that the first crushing roller and the second crushing roller crush the solid garbage.

[0012] Preferably, the side walls of the pressing plate are all inclined, and the cross section of the pressing plate is isosceles trapezoidal, wherein the side walls of the pressing plate are inclined, which can avoid the solid garbage from accumulating on the top surface of the pressing plate.

[0013] Preferably, the bottom surface of the pressing plate is fixedly installed with the pressing strips which are linearly arranged, and the bottom surface of the pressing strips is provided with the grooves which are linearly arranged, wherein the pressing strips and the grooves can increase the friction between the bottom surface of the pressing plate and the solid garbage, and can better press the solid garbage on the first crushing roller and the second crushing roller.

[0014] Preferably, the crushing assembly comprises a first crushing roller, a second crushing roller, a first gear, a second gear and a motor, the first crushing roller and the second crushing roller are both rotatably installed on the inner wall of the pre-treatment box through bearing rings, the right ends of the first crushing roller and the second crushing roller are both fixedly connected with connecting shafts, and the connecting shafts on the first crushing roller and the second crushing roller penetrate through the side wall of the pre-treatment box and are fixedly installed with the first gear and the second gear which are intermeshed.

[0015] Preferably, the left side of the pre-treatment box is fixedly provided with a motor, and an output end of the motor is fixedly connected to the middle of the left side of the first crushing roller through the side wall of the pre-treatment box, wherein the first crushing roller and the first gear are driven to rotate by the motor, and then the second gear and the second crushing roller are driven to rotate by the first gear, and then the solid waste is crushed by the first crushing roller and the second crushing roller.

[0016] The utility model provides a pre -treatment device for garbage classification has the following beneficial effects:

[0017] 1、 this pre -treatment device for garbage classification, through the solid waste that electromagnet smashes the component smashes is passed electromagnet, its inside adulteration metal object will be adsorbed by electromagnet, when solid waste above the smashing component is smashed, by handle outwardly pulls the mounting plate and mounting frame, then the electromagnet is taken out from the inside of pre -treatment box, then the power of electromagnet is closed, and the metal object on the electromagnet is then dropped down, reach the purpose of convenient for the metal object from the solid waste that is smashed is screened out, is favorable to the recovery to metal object, avoids the waste of metal object, solves the problem that the existing device is inconvenient for the recovery of metal object in construction waste, and the metal object is mixed together with the crushed garbage, leads to the waste of metal object;

[0018] 2、 this pre -treatment device for garbage classification, when the solid waste is smashed by the smashing component, the solid waste above the smashing component is pressed on the top of the first crushing roller and the second crushing roller by the extrusion plate driven by the hydraulic rod, avoids the condition that the solid waste moves at will above the first crushing roller and the second crushing roller, by the setting of extrusion strip and recess, can increase the friction between the bottom surface of extrusion plate and solid waste, can better press the solid waste on the first crushing roller and the second crushing roller, and be favorable to improving the efficiency of the solid waste crushing of the smashing component. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the side view structure schematic diagram of the utility model;

[0021] Figure 3 It is the section structure schematic diagram of the utility model;

[0022] Figure 4 It is the extrusion component structure schematic diagram of the utility model;

[0023] Figure 5 It is the metal recovery component structure schematic diagram of the utility model.

[0024] In the diagram: 1. Pre-treatment box; 11. Feed hopper; 12. Discharge pipe; 13. Support leg; 14. Pull-out port; 2. Crushing assembly; 21. First crushing roller; 22. Second crushing roller; 23. First gear; 24. Second gear; 25. Motor; 3. Extrusion assembly; 31. Hydraulic rod; 32. Extrusion plate; 33. Extrusion strip; 34. Groove; 4. Metal recycling assembly; 41. Mounting plate; 42. Mounting frame; 43. Electromagnet; 44. Insulating pad; 45. Handle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1:

[0027] like Figures 1-5 As shown: The system includes a pretreatment box 1. A feed hopper 11 is installed on one side of the top surface of the pretreatment box 1. Discharge pipes 12 and support legs 13 are fixedly installed at the center and four corners of the bottom surface of the pretreatment box 1, respectively. A crushing assembly 2 is installed inside the pretreatment box 1. A pull-out opening 14 is opened on the front side of the pretreatment box 1, located below the crushing assembly 2. A metal recycling assembly 4 is removably installed inside the pull-out opening 14. A pressing assembly 3 is installed on the top of the pretreatment box 1. The metal recycling assembly 4 includes a mounting plate 41, a mounting frame 42, an electromagnet 43, an insulating pad 44, and a handle 45. The mounting plate 41 is movably fitted inside the pull-out opening 14. A mounting frame 42, which is movably fitted inside the pretreatment box 1, is fixedly installed on the center of the mounting plate 41 near the pretreatment box 1. Electromagnets 43 arranged in a linear array are fixedly installed on the inner wall of the mounting frame 42. An insulating pad 44... The electromagnet 43 is connected to the power supply via wires. Insulating pads 44 are fixedly installed at both ends of the electromagnet 43. A handle 45 is fixedly installed on the side of the mounting plate 41 away from the mounting frame 42. The specifications of the mounting plate 41 are the same as those of the pull-out port 14. When the electromagnet 43 is energized, the solid waste crushed by the crushing component 2 passes through the electromagnet 43. The metal objects mixed inside the solid waste will be attracted by the electromagnet 43. After the solid waste above the crushing component 2 is crushed, the mounting plate 41 and the mounting frame 42 are pulled outward by the handle 45, and then the electromagnet 43 is taken out from the inside of the pretreatment box 1. Then the power supply of the electromagnet 43 is turned off, and the metal objects attracted on the electromagnet 43 will fall down. This achieves the purpose of easily screening the metal objects from the crushed solid waste, which is conducive to the recycling of metal objects and avoids the waste of metal objects.

[0028] Example 2:

[0029] As Figures 1-4 shown: extrusion assembly 3 includes hydraulic rod 31, extrusion plate 32, extrusion strip 33 and groove 34, hydraulic rod 31 is fixedly installed on the top surface of the middle of the pretreatment box 1, the output end of the hydraulic rod 31 penetrates the top surface of the pretreatment box 1 and is fixedly installed on the top surface of the extrusion plate 32, the side wall of the extrusion plate 32 is inclined, the cross section of the extrusion plate 32 is isosceles trapezoidal, the bottom surface of the extrusion plate 32 is fixedly installed with linear array distribution extrusion strip 33, the bottom surface of the extrusion strip 33 is provided with linear array distribution groove 34, when the crushing assembly 2 crushes solid waste, the extrusion plate 32 is driven by the hydraulic rod 31 to press the solid waste above the crushing assembly 2 above the first crushing roller 21 and the second crushing roller 22, avoid the solid waste above the first crushing roller 21 and the second crushing roller 22 move at will, through the setting of the extrusion strip 33 and the groove 34, the friction between the bottom surface of the extrusion plate 32 and the solid waste can be increased, the solid waste can be better pressed on the first crushing roller 21 and the second crushing roller 22, which is beneficial to improve the crushing efficiency of the crushing assembly 2 on the solid waste;

[0030] Example 3:

[0031] As Figures 1-3 shown: the crushing assembly 2 includes first crushing roller 21, second crushing roller 22, first gear 23, second gear 24 and motor 25, the first crushing roller 21 and the second crushing roller 22 are rotatably installed on the inner wall of the pretreatment box 1 through the bearing ring, the right end of the first crushing roller 21 and the second crushing roller 22 are fixedly connected with the connecting shaft, and the connecting shafts on the first crushing roller 21 and the second crushing roller 22 penetrate the side wall of the pretreatment box 1 and are fixedly installed with the first gear 23 and the second gear 24 which are meshed with each other, the motor 25 is fixedly installed on the left side of the pretreatment box 1, the output end of the motor 25 penetrates the side wall of the pretreatment box 1 and is fixedly connected on the middle of the left side of the first crushing roller 21, the first crushing roller 21 and the first gear 23 are driven to rotate by the motor 25, then the second gear 24 and the second crushing roller 22 are driven to rotate by the first gear 23, then the solid waste is crushed by the first crushing roller 21 and the second crushing roller 22.

[0032] The working principle and use process of the utility model: the present application is used for the pretreatment device of garbage classification, when using, the solid waste is put into the inside of the pretreatment box 1 through the feeding hopper 11, then the motor 25 is started to drive the first crushing roller 21 and the first gear 23 to rotate, then the second gear 24 and the second crushing roller 22 will be driven to rotate by the first gear 23, then the solid waste is crushed by the first crushing roller 21 and the second crushing roller 22, at the same time, the hydraulic rod 31 is started to drive the extrusion plate 32 to compress the solid waste above the crushing assembly 2 above the first crushing roller 21 and the second crushing roller 22, at the same time, the electromagnet 43 is electrified, the solid waste after being crushed will pass through the metal recovery assembly 4, then is discharged through the discharge pipe 12, when the solid waste after being crushed passes through the electromagnet 43, the metal object mixed in the inside will be adsorbed by the electromagnet 43, when the solid waste above the crushing assembly 2 is crushed, the mounting plate 41 and the mounting frame 42 are pulled out by the handle 45, then the electromagnet 43 is taken out from the inside of the pretreatment box 1, then the power supply of the electromagnet 43 is closed, the metal object adsorbed on the electromagnet 43 will fall down, then the metal object can be collected.

[0033] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A pretreatment device for garbage classification, comprising a pretreatment box (1), a feeding hopper (11) is installed on one side of the top surface of the pretreatment box (1), discharge pipes (12) and supporting legs (13) are fixedly installed on the bottom surface of the pretreatment box (1) at the four corners, respectively, and a crushing assembly (2) is arranged inside the pretreatment box (1); characterized in that a pull-out opening (14) is formed in the front side of the pretreatment box (1) below the crushing assembly (2), a metal recycling assembly (4) is pullably arranged inside the pull-out opening (14), and a pressing assembly (3) is arranged on the top of the pretreatment box (1); the metal recycling assembly (4) comprises a mounting plate (41), a mounting frame (42), electromagnets (43), insulating pads (44) and a handle (45), the mounting plate (41) is movably sleeved inside the pull-out opening (14), the mounting plate (41) is fixedly installed with the mounting frame (42) movably sleeved inside the pretreatment box (1) at the middle of the side close to the pretreatment box (1), and the inner wall of the mounting frame (42) is fixedly installed with the electromagnets (43) arranged in linear array.

2. The pre-processing device for waste sorting according to claim 1, characterized in that: the insulating pads (44) are connected in communication with the power supply through wires, the two ends of the electromagnets (43) are fixedly installed with the insulating pads (44), the side away from the mounting frame (42) of the mounting plate (41) is fixedly installed with the handle (45), and the specifications of the mounting plate (41) are the same as those of the pull-out opening (14).

3. The pre-processing device for waste sorting according to claim 1, characterized in that: the pressing assembly (3) comprises a hydraulic rod (31), a pressing plate (32), pressing strips (33) and grooves (34), the hydraulic rod (31) is fixedly installed at the middle of the top surface of the pretreatment box (1), and the output end of the hydraulic rod (31) penetrates through the top surface of the pretreatment box (1) and is fixedly installed on the top surface of the pressing plate (32).

4. The pre-processing device for waste sorting according to claim 3, characterized in that: the side walls of the pressing plate (32) are all arranged in an inclined manner, and the cross section of the pressing plate (32) is isosceles trapezoidal.

5. The pre-processing device for waste sorting according to claim 4, characterized in that: the bottom surface of the pressing plate (32) is fixedly installed with the pressing strips (33) arranged in linear array, and the bottom surface of the pressing strip (33) is formed with the grooves (34) arranged in linear array. 6.The pre-processing device for waste classification according to claim 1, characterized in that: the crushing assembly (2) comprises first crushing rollers (21), second crushing rollers (22), first gears (23), second gears (24) and a motor (25), the first crushing rollers (21) and the second crushing rollers (22) are both rotatably installed on the inner wall of the pretreatment box (1) through bearing rings, the right ends of the first crushing rollers (21) and the second crushing rollers (22) are fixedly connected with connecting shafts, and the connecting shafts on the first crushing rollers (21) and the second crushing rollers (22) penetrate through the side walls of the pretreatment box (1) and are fixedly installed with the first gears (23) and the second gears (24) meshing with each other, respectively.

7. The pre-processing device for waste sorting according to claim 6, characterized in that: the motor (25) is fixedly installed on the left side of the pretreatment box (1), and the output end of the motor (25) is fixedly connected to the middle of the left side of the first crushing roller (21) penetrating through the side wall of the pretreatment box (1).

Citation Information

Patent Citations

  • Solid waste pretreatment device for waste classification

    CN220879022U