Single-roller scrap iron shredding machine

Abstract

The utility model discloses a single-roller scrap iron shredding machine, and belongs to the technical field of shredding equipment. A single-roller scrap iron shredding machine comprises a blanking frame, a cutter is transversely arranged at the lower end of the blanking frame, C-shaped screens are arranged on the two sides of the lower end of the outer portion of the cutter, and supporting frames used for being attached to the screens are arranged on the two sides of the cutter. The utility model solves the problem that when different metal materials are shredded, workers need to spend time in manually adjusting the installation and replacement of the blanking net due to the fact that no spare replaceable blanking net exists when the existing shredding machine module is used for shredding the metal materials. When strip-shaped materials actively and efficiently make contact with the cutter through pressing of the pressing plate, the corresponding screen cloth is rotated and adjusted, so that the screen cloth with the corresponding mesh number can rotate with the connecting shaft as the circle center and wrap the lower end of the outer portion of the cutter, and the screen cloth can penetrate through the screen cloth and finally fall off from the discharging frame.

Description

Technical Field

[0001] This utility model relates to the field of shredding equipment technology, specifically a single-roller iron scrap shredder. Background Technology

[0002] A single-roller iron filings shredder is a high-efficiency mechanical device specifically designed for processing iron filings generated during metal processing. It mainly uses the rotational motion of a single roller and the spirally arranged toothed cutters mounted on the roller to tear, shear, and crush the iron filings, significantly reducing their size and facilitating subsequent recycling, transportation, and reuse. This equipment has the advantages of simple structure, convenient operation, and good shredding effect, and is widely used in metal recycling, metal processing, and other industries to improve the recycling rate of metal resources.

[0003] Chinese patent CN213762145U discloses a shredder module with a docking structure, which is set on the housing and on the horizontal radial side of the shredding blade shaft. It is used to dock with another shredder module to form a dual-shaft shredder or to dock with a feeding mechanism to form a single-shaft shredder. The docking structure can be used for detachable docking of two shredder modules or for docking of the shredder module with the feeding mechanism. Since the shredder module can be used for both single-shaft and dual-shaft shredders, only a sufficient number of shredder modules need to be prepared during production and inventory preparation, which can reduce the inventory quantity of the two types of shredders and reduce inventory costs.

[0004] When the aforementioned patented shredder module shreds metal materials, the size of the shredded metal fragments is controlled by the mesh size of the feed screen. Different mesh sizes of feed screens are required for different metal materials. However, the aforementioned patented shredder does not have a spare replaceable feed screen. This means that when shredding different metal materials, it is necessary to manually adjust the installation and replacement of the feed screen, which reduces the efficiency of use. Utility Model Content

[0005] The purpose of this invention is to provide a single-roller iron scrap shredder. By pressing the strip-shaped material with a pressing plate, the material actively and efficiently contacts the blade. The corresponding screen is rotated and adjusted so that the screen of the corresponding mesh size can rotate around the connecting shaft and wrap around the lower end of the blade. While wrapping, it can be fixed by a fixing column. For the selected screen mesh size, the strip-shaped material after contacting the blade is crushed to the corresponding size, can pass through the screen and finally fall from the discharge frame, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a single-roller iron scrap shredder, comprising a feeding frame, a blade horizontally arranged at the lower end of the feeding frame, C-shaped screens arranged on both sides of the lower end of the blade, and support frames for fitting with the screens on both sides of the blade. Transmission frames are arranged on the support frames facing the blades on both sides, and the front and rear ends of the transmission frames are rotatably connected to the inside of the feeding frame via connecting shafts. A pressing plate is arranged on one side of the upper end of the blade, and a second hydraulic telescopic rod is fixedly connected to the upper end of the pressing plate by bolts. Driven by a motor, the selected screen can rotate around the connecting shaft as the center, and the rotation can cover the lower end of the blade. Through the rotation of the blade and the restriction of the screen, the scrap can pass through the screen and fall from the discharge frame.

[0007] Preferably, the transmission frame has a first fixing hole that runs horizontally through it, and the two support frames each have a second fixing hole recessed on the side facing the transmission frame. The second fixing holes and the first fixing holes have the same diameter. After the first fixing hole and the second fixing hole are completed one by one by the fixing column, the rotated screen can be fixed, so that the screen is fixed to the lower end of the outside of the blade.

[0008] Preferably, a fixing post is provided on one side outside the first fixing hole, and the outside of the fixing post is connected to the first fixing hole and the second fixing hole through a slot. Both ends of the material dropping frame are provided with a first hydraulic telescopic rod that is fixedly connected to the fixing post. The outer wall of the first hydraulic telescopic rod is fixedly connected to the outer wall of the material dropping frame by bolts. The fixing post is pushed by the rear end of the first hydraulic telescopic rod. The extension of the first hydraulic telescopic rod can actively adjust the fixing post laterally. The movement of the fixing post can fix the screen, which is convenient for fixing the screen after rotation.

[0009] Preferably, the pressing plate is provided with movable rails at both the front and rear ends, and the movable rails are embedded inside the material dropping frame. The interior of the movable rails is slidably connected to the front and rear ends of the pressing plate. The reserved movable rails can facilitate the provision of a stable moving trajectory for the pressing plate. After the pressing plate is pushed by the second hydraulic telescopic rod, the push of the second hydraulic telescopic rod will enable the pressing plate to slide laterally stably along the movable rails.

[0010] Preferably, the second hydraulic telescopic rod and the pressing plate are provided with a movable frame. The movable frame can wrap and protect the second hydraulic telescopic rod, preventing the inserted strip material from colliding with the second hydraulic telescopic rod and the pressing plate and causing damage to them.

[0011] Preferably, the two screens have different mesh counts.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention firstly involves feeding strip-shaped material into the shredder and having it contact the rotating blades. Simultaneously, the extension of the second hydraulic telescopic rod actively pushes the material, ensuring it contacts the blades and improving the shredding effect. Secondly, for different shredding needs, the motor corresponding to the connecting shaft is activated. Driven by the motor, the transmission frame rotates the corresponding screen around the connecting shaft, causing the screen to wrap around and cover the lower end of the blades. During the shredding process, the active pushing of the material, combined with the adjustable screen, adapts to different shredding requirements while improving the shredding effect. This prevents the material from failing to efficiently contact the blades, improving both adaptability and shredding efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0015] Figure 2 This is a schematic diagram showing the positional relationship of the screen mesh in this utility model;

[0016] Figure 3 For the present utility model Figure 2 Enlarged view of a portion of region A in the middle;

[0017] Figure 4 This is a cross-sectional view of the internal structure of the movable frame of this utility model.

[0018] In the diagram: 1. Material drop frame; 2. Movable frame; 3. Material discharge frame; 4. First hydraulic telescopic rod; 5. Cutting tool; 6. Second hydraulic telescopic rod; 7. Pressing plate; 8. Movable rail; 9. Screen; 10. Connecting shaft; 11. Transmission frame; 12. First fixing hole; 13. Second fixing hole; 14. Fixing column; 15. Support frame. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments.

[0020] like Figure 1 As shown, a single-roller iron scrap shredder of this embodiment includes a feeding frame 1. A blade 5 is horizontally arranged at the lower end of the feeding frame 1. Strip-shaped materials fed into the shredder will come into contact with the rotating blade 5, and the rotating blade 5 will shred the strip-shaped materials. In order to control the size of the shredded materials, C-shaped screens 9 are provided on both sides of the lower end of the blade 5. Support frames 15 for adhering to the screens 9 are provided on both sides of the blade 5. After the screens 9 rotate and adhere to the support frames 15, the strip-shaped materials that come into contact with the blades 5 at the upper end can be restricted, so that the strip-shaped materials are shredded to the point that they can pass through the screens 9 before falling.

[0021] Furthermore, such as Figure 2As shown, two screens 9 are respectively provided with transmission frames 11 on the support frames 15 facing both sides of the cutter 5. The front end and rear end of the transmission frame 11 are rotatably connected to the inside of the material drop frame 1 through the connecting shaft 10. The motor drives the transmission frame 11 and the screens 9 to rotate around the connecting shaft 10 as the center, which can flip them so that the corresponding screens 9 cover the lower end of the outside of the cutter 5. The size of the falling debris can be controlled by adjusting the screens 9 covering the lower end of the cutter 5. The two screens 9 have different mesh counts and are pre-installed according to the crushing requirements. In actual use, the position of the two screens 9 can be directly adjusted by rotation to flexibly control the output size.

[0022] It is worth mentioning that, in order to fix the rotating screen 9 that wraps around the lower end of the blade 5, a first fixing hole 12 is transversely provided inside the transmission frame 11, and two support frames 15 are respectively recessed on the side facing the transmission frame 11 with second fixing holes 13, and the second fixing holes 13 and the first fixing holes 12 have the same diameter. Figure 3 As shown, a fixing post 14 is provided on one side of the outside of the first fixing hole 12, and the outside of the fixing post 14 is connected to the first fixing hole 12 and the second fixing hole 13 through a slot. After the fixing post 14 passes through the first fixing hole 12 and the second fixing hole 13 in sequence, the screen 9 wrapped around the lower end of the knife 5 can be fixed.

[0023] The material drop frame 1 is provided with a first hydraulic telescopic rod 4 at both ends. One end of the first hydraulic telescopic rod 4 is fixedly connected to one end of the fixed column 14. The outer wall of the first hydraulic telescopic rod 4 is fixedly connected to the outer wall of the material drop frame 1 by bolts. The position of the fixed column 14 can be adjusted laterally by the extension and retraction of the first hydraulic telescopic rod 4. The lateral position of the fixed column 14 can fix the screen 9.

[0024] In order to ensure that the debris passing through the screen 9 can be discharged stably, a discharge frame 3 is provided at the lower end of the screen 9, and the discharge frame 3 is welded and fixed to the drop frame 1. The debris passing through the screen 9 will fall after being restricted by the discharge frame 3.

[0025] In order to actively bring the strip material into contact with the rotating blade 5, a pressing plate 7 is provided on one side of the upper end of the blade 5. A second hydraulic telescopic rod 6 is provided on the upper end of the pressing plate 7, and the outer wall of the second hydraulic telescopic rod 6 is fixedly connected to the material dropping frame 1 by bolts. The extension of the second hydraulic telescopic rod 6 can actively push the pressing plate 7. After being pushed, the pressing plate 7 can actively move towards the blade 5. During the movement of the pressing plate 7, the strip material will be efficiently brought into contact with the blade 5.

[0026] Furthermore, in this embodiment, movable rails 8 are provided at both the front and rear ends of the pressing plate 7, and the movable rails 8 are embedded inside the material dropping frame 1. The interior of the movable rails 8 is slidably connected to the front and rear ends of the pressing plate 7. During the process of the second hydraulic telescopic rod 6 pushing the pressing plate 7, the pressing plate 7 will slide inside the movable rails 8. The movable rails 8 can be used to determine the movement trajectory of the pressing plate 7.

[0027] In order to wrap and protect the second hydraulic telescopic rod 6 and the pressing plate 7, and to prevent the strip-shaped material inserted into the temporal part of the equipment from colliding with the pressing plate 7 and the second hydraulic telescopic rod 6, such as... Figure 4 As shown, a movable frame 2 is provided on the outside of the second hydraulic telescopic rod 6 and the pressing plate 7, and the movable frame 2 is fixedly connected to the material dropping frame 1 by bolts. The movable frame 2 can directly wrap the second hydraulic telescopic rod 6 and the pressing plate 7, and at the same time, it can prevent the second hydraulic telescopic rod 6 and the pressing plate 7 from being damaged by collision. The hydraulic drive ensures stable feeding and gentle crushing, which is especially suitable for low-volume and high-precision processing needs. The equipment has a compact structure, is equipped with Siemens PLC intelligent control, monitors the equipment status in real time, and wear-resistant parts extend the service life.

[0028] Working principle: When using the device to shred strip materials, the strip materials are fed into the shredder through the feed frame 1. According to the size of the shredded iron filings, the screen 9 with the corresponding mesh size is rotated. The motor at the position of the transmission frame 11 and the connecting shaft 10 corresponding to the screen 9 is started. The output shaft of the motor drives the transmission frame 11 and the screen 9 to rotate around the connecting shaft 10. The screen rotates and wraps directly around the lower end of the blade 5. The first hydraulic telescopic rod 4 is started. The extension of the first hydraulic telescopic rod 4 pushes the fixing column 14, so that the fixing column 14 passes through the first fixing hole 12 and the second fixing hole 13 in sequence, fixing the rotated screen 9. The second hydraulic telescopic rod 6 extends and retracts at regular intervals to push the pressing plate 7 towards the blade 5. During the pressing process, the fed strip materials will actively contact the blade 5. After contacting the blade 5, the strip materials will be shredded. Iron filings that can pass through the screen 9 will fall directly from the discharge frame 3, while iron filings restricted by the screen 9 will continue to contact the blade 5 until the iron filings can pass through the screen 9 and fall.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A single-roller iron scrap shredder, comprising a feeding frame (1), wherein a blade (5) is laterally arranged at the lower end of the feeding frame (1), characterized in that, Both sides of the lower outer end of the cutter (5) are provided with C-shaped screens (9). Both sides of the cutter (5) are provided with support frames (15) for fitting with the screens (9). The two screens (9) are respectively provided with transmission frames (11) facing the support frames (15) on both sides of the cutter (5). The front end and rear end of the transmission frame (11) are rotatably connected to the inside of the material drop frame (1) through a connecting shaft (10). A pressing plate (7) is provided on one side of the upper end of the cutter (5). A second hydraulic telescopic rod (6) is fixedly connected by bolts at the upper end of the pressing plate (7).

2. The single-roller iron scrap shredder according to claim 1, characterized in that, The transmission frame (11) has a first fixing hole (12) that runs horizontally through its interior. The two support frames (15) have a second fixing hole (13) recessed on the side facing the transmission frame (11), and the second fixing hole (13) and the first fixing hole (12) have the same diameter.

3. A single-roller iron scrap shredder according to claim 2, characterized in that, A fixing post (14) is provided on one side outside the first fixing hole (12), and the outside of the fixing post (14) is connected to the first fixing hole (12) and the second fixing hole (13) through a slot. Both ends of the material dropping frame (1) are provided with a first hydraulic telescopic rod (4) that is fixedly connected to the fixing post (14). The outer wall of the first hydraulic telescopic rod (4) is fixedly connected to the outer wall of the material dropping frame (1) by bolts.

4. A single-roller iron scrap shredder according to claim 1, characterized in that, The pressing plate (7) is provided with movable rails (8) at both the front and rear ends, and the movable rails (8) are embedded inside the material dropping frame (1). The interior of the movable rails (8) is slidably connected to the front and rear ends of the pressing plate (7).

5. A single-roller iron scrap shredder according to claim 1, characterized in that, The second hydraulic telescopic rod (6) and the pressing plate (7) are provided with a movable frame (2).

6. A single-roller iron scrap shredder according to claim 1, characterized in that, The two sieves (9) have different mesh counts.

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