Shredding machine for waste metal recovery

Abstract

The utility model discloses a shredder for scrap metal recovery, which comprises a box body and a plurality of driving motors, the upper end of the box body is provided with a feed inlet, the box body is also internally provided with a knife roll and an annular net chain, the roll surface of the knife roll is provided with a plurality of groups of first movable blades for shredding and cutting scrap metal, and the annular net chain is provided with a plurality of groups of second movable blades for shredding and cutting scrap metal. The annular net chain is arranged below the knife roll, a plurality of screening openings are formed in the annular net chain so as to screen the sizes of waste metal blocks which are shredded and cut by the knife roll, an inner tooth groove is formed in the edge of the side edge of the annular net chain, and driving shafts are arranged at the two ends of the annular net chain correspondingly; the driving shaft is provided with a driving gear, the driving gear is meshed with inner tooth grooves in the two sides of the annular net chain, the annular net chain is provided with a plurality of second movable blades, and the first movable blades on the knife roll are matched with the second movable blades on the annular net chain. And waste metal blocks with large particles can be shredded and cut again.

Description

TECHNICAL FIELD

[0001] The utility model relates to resource regeneration technical field, specifically, relate to a kind of shredder for scrap metal recovery. BACKGROUND

[0002] The scrap metal shredder is a kind of machine for crushing waste metal materials, which enters the inside of the shredding box through the feeding system. The shredding box is equipped with shredding blades to shred and cut the waste metal materials. The cutter shaft of the shredder is generally designed as double-shaft, single-shaft or four-shaft. When the materials enter the shredder box, the claw structure on the cutter shaft clamps the materials, which are cut and crushed by the mutual extrusion of the shredding cutter shaft, and then the waste metal materials are torn into small pieces and discharged from the lower opening of the box.

[0003] The existing scrap metal shredder usually lacks a conveying device to rework and cut the waste metal blocks with relatively large particles after shredding and cutting. Only a screen is used to screen the metal particles after shredding and cutting. When a large number of large-particle waste metal blocks accumulate on the screen, it is usually necessary to stop work and clean up, which is inconvenient. SUMMARY

[0004] The utility model aims at providing a shredder for scrap metal recovery, which can rework and cut the waste metal blocks with relatively large particles after shredding and cutting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] In the technical scheme of the shredder for scrap metal recovery, a plurality of drive motors are arranged in the box. A feeding port for shredding and feeding scrap metal is formed in the upper end of the box. A knife roller and an annular mesh chain are further arranged in the box. A plurality of first moving blades for shredding and cutting scrap metal are arranged on the roller surface of the knife roller. The annular mesh chain is arranged below the knife roller. A plurality of screening openings are formed in the annular mesh chain to screen the size of the waste metal blocks after shredding and cutting by the knife roller. An inner gear groove is arranged on the side edge of the annular mesh chain. Drive shafts are arranged at both ends of the annular mesh chain. Drive gears are arranged on the drive shafts and engaged with the inner gear grooves on both sides of the annular mesh chain.

[0007] Further, in the technical scheme of the utility model, the knife roller is rotatably arranged in the box. A drive connecting shaft is arranged in the middle of the knife roller. The drive connecting shaft is connected to the output end of the drive motor and controlled by the drive motor to rotate the knife roller.

[0008] Further, in the technical scheme of the utility model, the driving shafts are connected with the output ends of the driving motors respectively and rotate through the driving motors.

[0009] Further, in the technical scheme of the utility model, the inside of the box body is further provided with a fixed knife table, the fixed knife table is installed on one side of the knife roller, and one end of the fixed knife table towards the knife roller is further provided with a plurality of fixed knife pieces for tearing and cutting the scrap metal.

[0010] Further, in the technical scheme of the utility model, the inside of the box body is further provided with a pushing box, the pushing box is slidingly installed on the upper end face of the fixed knife table, one side of the pushing box is connected with a hydraulic shaft and slides on the upper end face of the fixed knife table through the hydraulic shaft, so as to push the scrap metal entering the box body through the feeding port to the knife roller for tearing and cutting.

[0011] Further, in the technical scheme of the utility model, the annular mesh chain is further provided with a plurality of second moving knife pieces for tearing and cutting the scrap metal.

[0012] Effective gain: in summary, the utility model discloses a shredder for scrap metal recovery, in the technical scheme of the utility model, the annular mesh chain is installed below the knife roller for tearing and cutting the scrap metal, the traditional screen structure is replaced by the annular mesh chain driven by the motor, the annular mesh chain is provided with screening openings for size screening of the scrap metal block after tearing and cutting by the knife roller, and the utility model is further provided with a plurality of moving knife pieces on the annular mesh chain, the annular mesh chain drives the scrap metal block with larger particles on the upper side to the side of the knife roller under the drive of the motor, the moving knife pieces on the knife roller cooperate with the moving knife pieces on the annular mesh chain, and the scrap metal block with larger particles can be torn and cut again.

[0013] Other features and advantages of the utility model will be described in the subsequent description. DRAWINGS

[0014] Figure 1 It is part structure diagram of a kind of shredder for scrap metal recovery according to the utility model Figure 1 ;

[0015] Figure 2 It is part structure diagram of a kind of shredder for scrap metal recovery according to the utility model Figure 2 ;

[0016] Figure 3 It is part structure diagram of a kind of shredder for scrap metal recovery according to the utility model Figure 3 ;

[0017] Figure 4This is a partial structural diagram of a shredder for scrap metal recycling according to the present invention. Figure 4 ;

[0018] In the diagram: A, housing; A1, feed inlet; B, cutter roller; B1, first moving blade; B2, drive connecting shaft; C, annular mesh chain; C1, screening opening; C2, drive shaft; C3, second moving blade; D, fixed cutter table; E, pusher box. Detailed Implementation

[0019] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] In the description of this utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Furthermore, in the description of this utility model, "a number" means two or more, unless otherwise explicitly specified.

[0023] In view of the problems mentioned in the background art above, this utility model provides a shredder for waste metal recycling. Figure 1 , Figure 2 This is a partial structural diagram of a shredder for waste metal recycling according to this embodiment. In this embodiment, as shown... Figure 1 and Figure 2As shown, including the box A and a plurality of drive motor (not shown), the upper end of the box A is provided with a feed inlet A1 for scrap metal shredding feed, the inside of the box A is also provided with a knife roll B and a ring chain C, the knife roll B is rotatably installed in the inside of the box A, the knife roll B is provided with a driving connection shaft B2, the driving connection shaft B2 is connected with the output end of the drive motor and controls the rotation of the knife roll B through the drive motor, wherein the knife roll B is used for shredding and cutting of scrap metal, the ring chain C is used for size screening of the cut scrap metal blocks and re-cutting of the large particle scrap metal blocks.

[0024] Figure 3 、 Figure 4 is a partial structure schematic diagram of a shredder for scrap metal recycling according to the present embodiment, in the present embodiment, as shown in Figure 3 and Figure 4 , a plurality of first moving blades B1 for shredding and cutting of scrap metal are arranged on the roll surface of the knife roll B, the ring chain C is arranged below the knife roll B, a plurality of screening openings C1 are arranged on the ring chain C for size screening of the scrap metal blocks after shredding and cutting by the knife roll B, inner tooth grooves (not shown) are arranged on the side edges of the ring chain C, driving shafts C2 are arranged at both ends of the ring chain C, driving gears (not shown) are arranged on the driving shafts C2 and mesh with the inner tooth grooves on both sides of the ring chain C, the driving shafts C2 are connected with the output ends of the drive motors and control the rotation of the driving shafts C2 through the drive motors, a plurality of second moving blades C3 for shredding and cutting of scrap metal are arranged on the ring chain C, it should be noted that the ring chain C drives the large particle scrap metal blocks above it to one side of the knife roll B under the drive of the motor, please refer to Figure 2 , that is, the ring chain C is driven to the right and up under the drive of the motor, the ring chain C is driven while cooperating with the first moving blades B1 on the knife roll B through the second moving blades C3 on the ring chain C, so that the large particle scrap metal blocks can be re-shredded and cut.

[0025] Specifically, a fixed blade table D is also installed in the inside of the box A, the fixed blade table D is installed on one side of the knife roll B, a plurality of fixed blades D1 for shredding and cutting of scrap metal are arranged on one end of the fixed blade table D facing the knife roll B, the fixed blades D1 are used for cooperating with the first moving blades B1 on the knife roll B to shred and cut the scrap metal when the knife roll B rotates, a pushing box E is also installed in the inside of the box A, the pushing box E is slidingly installed on the upper end surface of the fixed blade table D, one side of the pushing box E is connected with a hydraulic shaft (not shown) and controls the sliding on the upper end surface of the fixed blade table D through the hydraulic shaft, so as to push the scrap metal entering the box A through the feed inlet A1 to the knife roll B for shredding and cutting.

[0026] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A shredder for scrap metal recycling, comprising a box (A) and a plurality of drive motors, an upper end of the box (A) being provided with a feed opening (Al) for shredding scrap metal feed, characterized in that, The inside of the box (A) is also provided with: A cutter roll (B) is provided with a plurality of first moving blades (B1) for shredding and cutting of scrap metal on the roll surface; An annular mesh chain (C) is arranged below the cutter roll (B), and a plurality of screening openings (C1) are formed on the annular mesh chain (C) to screen the size of the scrap metal pieces after being shredded and cut by the cutter roll (B). The side edges of the annular mesh chain (C) are provided with internal tooth grooves, and the two ends of the annular mesh chain (C) are respectively provided with drive shafts (C2), which are provided with drive gears and are engaged with the internal tooth grooves on both sides of the annular mesh chain (C).

2. A shredder for scrap metal recycling according to claim 1, characterized in that, The cutter roll (B) is rotatably installed in the inside of the box (A), and the cutter roll (B) is provided with a driving connection shaft (B2) in the middle, which is connected with the output end of the driving motor and controls the rotation of the cutter roll (B) through the driving motor.

3. A shredder for scrap metal recycling according to claim 1, characterized in that, The driving shaft (C2) is respectively connected with the output end of the driving motor and controls the rotation of the driving shaft (C2) through the driving motor.

4. A shredder for scrap metal recycling according to claim 1, characterized in that, The inside of the box (A) is also provided with a fixed blade table (D), which is installed on one side of the cutter roll (B), and a plurality of fixed blades (D1) for shredding and cutting of scrap metal are installed on one end of the fixed blade table (D) towards the cutter roll (B).

5. A shredder for scrap metal recycling according to claim 4, characterised in that, The inside of the box (A) is also provided with a pushing box (E), which is slidingly installed on the upper end surface of the fixed blade table (D), and one side of the pushing box (E) is connected with a hydraulic shaft and controls the sliding on the upper end surface of the fixed blade table (D) through the hydraulic shaft to push the scrap metal entering the box (A) through the feeding port (A1) to the cutter roll (B) for shredding and cutting.

6. A shredder for scrap metal recycling according to claim 1, characterized in that, The annular mesh chain (C) is also provided with a plurality of second moving blades (C3) for shredding and cutting of scrap metal.

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