Waste chopping machine

Abstract

The utility model provides a waste chopping machine and belongs to the technical field of machinery. The waste chopping machine solves the problem that an existing waste chopping machine is not high in use safety. The waste chopping machine comprises a working table, a motor, a gear box and a roller shaft, an output shaft of the motor is fixedly connected with the input end of the gear box, the output end of the gear box is fixedly connected with the roller shaft, a plurality of moving cutters are arranged on the roller shaft, the working table is provided with a discharging port located below the roller shaft, and a first protective cover covering the roller shaft and the discharging port is arranged on the working table. The first protective cover is provided with a communication opening communicated to the roller shaft, a fixed cutter located below the communication opening is fixedly connected to the workbench, a second protective cover is arranged at the communication opening, a conveying belt is arranged in the second protective cover, the end, away from the roller shaft, of the second protective cover is a feeding opening, and a driving mechanism driving the conveying belt to work is arranged on the second protective cover. The utility model has the advantages of compact structure, good use safety and the like.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology, and specifically relates to a waste shredder. Background Technology

[0002] To recycle and reuse waste materials, a shredder is generally used to cut and discharge them. For example, Chinese patent literature discloses a multi-functional edge shredder [Application No.: 202222010413.0; Authorization Announcement No.: CN218283250U], which includes a frame, a support plate and a gearbox on one side of the lower end of the frame, a main roller shaft and a driven roller shaft that cooperate with the support plate and the gearbox, the main roller shaft and the driven roller shaft rotate together, and a number of blades are evenly distributed on the surface of the main roller shaft and the driven roller shaft. A motor that drives the main roller shaft to rotate is provided on one side of the gearbox, a connecting plate is provided on one side of the upper end of the frame, a wire guide tube is provided at the lower end of the connecting plate, the wire guide tube is installed in conjunction with the main roller shaft and the driven roller shaft, a bearing plate is provided at the upper end of the frame, and a conveying mechanism that works in conjunction with the bearing plate and the connecting plate is provided on the other side of the frame.

[0003] The aforementioned multi-functional edge crusher flattens the uneven surface of the steel strip through a conveying mechanism, and shreds the waste material in the guide tube through the main roller shaft and the driven roller shaft, and then slides out from the discharge plate for easy packaging and transportation. However, the waste material still needs to be operated by workers when entering the guide tube, and the degree of automation is not high enough. The setting of the main roller shaft and the driven roller shaft makes the size large and lacks a protective structure. The waste material will slide off from both sides during transportation and will fly away during the shredding process, making the safety of use less than ideal. Summary of the Invention

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a waste shredder that is highly automated, compact in structure, and safe to use.

[0005] The objective of this utility model can be achieved through the following technical solution: A waste shredder includes a workbench, a motor, a gearbox, and a roller shaft. The output shaft of the motor is fixedly connected to the input end of the gearbox, and the output end of the gearbox is fixedly connected to the roller shaft. The roller shaft is provided with a plurality of moving blades. The workbench has a discharge port located below the roller shaft. The workbench is provided with a protective cover I that covers the roller shaft and the discharge port. The protective cover I has a connecting port that connects to the roller shaft. A fixed blade located below the connecting port is fixedly connected to the workbench. The connecting port is provided with a protective cover II. A conveyor belt is provided inside the protective cover II, and the end of the protective cover II away from the roller shaft is the feed port. The protective cover II is provided with a drive mechanism that drives the conveyor belt.

[0006] In the aforementioned waste shredder, the protective cover includes a front upright plate, a rear upright plate, a top plate, and two side upright plates. A communication opening is formed between the top of the front upright plate and the top plate. A mounting plate is fixedly connected to the front upright plate, and a fixed blade is fixedly connected to the mounting plate. The rear upright plate is located opposite the front upright plate. Bearings are embedded in both side upright plates, and the roller shaft passes through the two bearings. The top plate is fixedly connected to the top of the rear upright plate and the two side upright plates.

[0007] In the aforementioned waste shredder, polygonal plates are fitted at both ends of the roller shaft. The edges of the two polygonal plates are grouped and corresponding, and a connecting plate is fixedly connected to each group of edges. A blade holder is fixedly connected to the connecting plate, and a moving blade is fixedly connected to the blade holder. The blade holders on adjacent connecting plates are staggered.

[0008] In the aforementioned waste shredder, several ribs are fixedly connected between the back of the blade holder and the connecting plate.

[0009] In the aforementioned waste shredder, a circular rotating plate is fixedly connected to the outer side of both polygonal plates, and a support plate is fixedly connected to the inner side of both upright plates. The support plate has an arc-shaped surface that is tangent to the outer wall of the rotating plate.

[0010] In the aforementioned waste shredder, the protective cover second includes a base plate and a cover body. The two sides of the base plate are fixedly connected to the cover body. The conveyor belt is sleeved outside the base plate and the upper part of the conveyor belt is supported by the base plate. The cover body is provided with a driving roller and a driven roller. The conveyor belt is sleeved on the driving roller and the driven roller. The driving mechanism includes a drive motor and a transmission chain. A fixed seat is fixedly connected to one side of the cover body. The drive motor is fixedly connected to the fixed seat and a gear one is fixedly connected to the output shaft of the drive motor. A gear two is fixedly connected to one end of the driving roller. The gear one and gear two are driven by the transmission chain.

[0011] In the aforementioned waste shredder, the fixed base is fixedly connected to a cover that encloses the transmission chain.

[0012] In the aforementioned waste shredder, the front vertical plate is fixedly connected to a guide plate that receives the bottom of the drive roller and extends to the fixed blade.

[0013] Compared with existing technologies, this waste shredder has a compact structure, a high degree of automation, and can prevent waste from slipping during transportation and avoid flying waste that could injure people when shredding. It also has good working stability and safety. Attached Figure Description

[0014] Figure 1 This is a 3D structural diagram of the waste shredder.

[0015] Figure 2 This is a partial structural diagram of the waste shredder.

[0016] Figure 3 This is a partial structural diagram of the waste shredder.

[0017] In the diagram, 1. Workbench; 2. Motor; 3. Gearbox; 4. Roller shaft; 5. Moving blade; 6. Discharge port; 7. Protective cover one; 71. Front upright plate; 72. Rear upright plate; 73. Side upright plate; 8. Connecting port; 9. Fixed blade; 10. Protective cover two; 101. Base plate; 102. Cover body; 11. Conveyor belt; 12. Feed inlet; 13. Mounting plate; 14. Bearing; 15. Polygonal plate; 16. Connecting plate; 17. Blade holder; 18. Rib plate; 19. Rotating plate; 20. Support plate; 21. Driving roller; 22. Driven roller; 23. Drive motor; 24. Transmission chain; 25. Fixed base; 26. Gear one; 27. Gear two; 28. Cover; 29. ​​Guide plate. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown, this waste shredder includes a workbench 1, a motor 2, a gearbox 3, and a drum shaft 4. The output shaft of the motor 2 is fixedly connected to the input end of the gearbox 3, and the output end of the gearbox 3 is fixedly connected to the drum shaft 4. Several moving blades 5 are provided on the drum shaft 4. The workbench 1 has a discharge port 6 located below the drum shaft 4. The workbench 1 is provided with a protective cover 7 covering the drum shaft 4 and the discharge port 6. The protective cover 7 has a connecting port 8 that connects to the drum shaft 4. A fixed blade 9 located below the connecting port 8 is fixedly connected to the workbench 1. A second protective cover 10 is provided at the connecting port 8. A conveyor belt 11 is provided inside the second protective cover 10, and the end of the second protective cover 10 away from the drum shaft 4 is the feed port 12. The second protective cover 10 is provided with a drive mechanism that drives the conveyor belt 11 to work.

[0020] When using this waste shredder, waste enters the protective cover 10 through the feed inlet 12. The drive mechanism drives the conveyor belt 11 to deliver the waste to the connecting port 8. The roller shaft 4, driven by the motor 2 and gearbox 3, rotates, causing the moving blades 5 and the fixed blades 9 to shred the waste delivered to the connecting port 8. The shredded waste falls from the discharge port 6 for discharge. In actual use, this waste shredder can be used with a rotary cutting device to shred the waste from the rim of stainless steel pots, facilitating recycling. The above process requires no manual operation and has a high degree of automation. The cooperation between the moving blades 5 and the fixed blades 9 makes the structure compact. During operation, the protective cover 10 prevents waste from slipping, ensuring smooth conveying. The protective cover 7 prevents flying waste from injuring people, ensuring good safety.

[0021] To elaborate further, the protective cover 7 includes a front upright plate 71, a rear upright plate 72, a top plate, and two side upright plates 3. The top of the front upright plate 71 and the top plate form the aforementioned communication opening 8. The front upright plate 71 is fixedly connected to a mounting plate 13, and a fixed blade 9 is fixedly connected to the mounting plate 13. The rear upright plate 72 is located opposite the front upright plate 71. Both side upright plates 3 are fitted with bearings 14, and the roller shaft 4 passes through the two bearings 14. The top plate is fixedly connected to the top of the rear upright plate 72 and the two side upright plates 3. This structure is compact and easy to manufacture. The bearing 14 ensures smooth rotation of the roller shaft 4. In actual manufacturing, the mounting plate 13 is embedded in the front upright plate 71 and the two are fixed together by screws. The fixed knife 9 is fixed to the mounting plate 13 by screws. The front upright plate 71 and the rear upright plate 72 are both held by the side upright plates 3. The front upright plate 71 and the rear upright plate 72 are locked to the side upright plates 3 by screws. The top plate is locked to the top of the rear upright plate 72 and the side upright plates 3 by screws. During manufacturing, the front upright plate 71, the rear upright plate 72, the top plate and the two side upright plates 3 can be fixed to the worktable 1 by screws. Of course, the front upright plate 71, the rear upright plate 72, the top plate and the two side upright plates 3 can be welded to the worktable 1.

[0022] Both ends of the roller shaft 4 are fitted with polygonal plates 15. The edges of the two polygonal plates 15 are paired and corresponding, and a connecting plate 16 is fixedly connected to each pair of edges. A blade holder 17 is fixedly connected to the connecting plate 16, and a moving blade 5 is fixedly connected to the blade holder 17. The blade holders 17 on adjacent connecting plates 16 are staggered. This facilitates the installation of the moving blade 5. The staggered blade and the fixed blade 9 work together to efficiently shred waste materials. In this embodiment, the polygonal plate 15 is a dodecagonal plate. In actual manufacturing, the connecting plate 16 can be welded to the edges of the polygonal plate 15, and adjacent connecting plates 16 can also be welded together. The blade holder 17 is welded to the connecting plate 16. This structure is stable and has a long service life. The moving blade 5 is fixed to the blade holder 17 by bolts, which facilitates the maintenance and replacement of the moving blade 5.

[0023] Several ribs 18 are fixedly connected between the back of the tool holder 17 and the connecting plate 16. The ribs 18 increase the structural strength between the tool holder 17 and the connecting plate 16 and extend the service life. In actual manufacturing, there are two ribs 18, which are welded between the tool holder 17 and the connecting plate 16.

[0024] Both polygonal plates 15 have circular rotating plates 19 fixedly connected to their outer sides, and both side upright plates 3 have support plates 20 fixedly connected to their inner sides. The support plates 20 have arc-shaped surfaces that fit against the outer walls of the rotating plates 19. The arrangement of the rotating plates 19 and support plates 20 makes the rotation of the roller shaft 4 smoother and provides better shock resistance. In actual manufacturing, the rotating plates 19 are fixed to the side of the polygonal plates 15 with screws, and the support plates 20 are fixed to the inner side of the side upright plates 3 with screws, which makes assembly and disassembly convenient.

[0025] The protective cover 10 includes a base plate 101 and a cover body 102. The two sides of the base plate 101 are fixedly connected to the cover body 102. The conveyor belt 11 is sleeved on the outside of the base plate 101 and the upper part of the conveyor belt 11 is supported by the base plate 101. The cover body 102 is provided with a drive roller 21 and a driven roller 22. The conveyor belt 11 is sleeved on the drive roller 21 and the driven roller 22. The driving mechanism includes a drive motor 23 and a transmission chain 24. A fixed seat 25 is fixedly connected to one side of the cover body 102. The drive motor 23 is fixedly connected to the fixed seat 25 and the output shaft of the drive motor 23 is fixedly connected to a gear 26. A gear 27 is fixedly connected to one end of the drive roller 21. The gear 26 and the gear 27 are driven by the transmission chain 24. The drive motor 23 drives the gear 26 to rotate, and the gear 26 drives the gear 27 to rotate through the transmission chain 24, thereby causing the drive roller 21 to drive the conveyor belt 11 to convey. The base plate 101 supports the conveyor belt 11, improving the load-bearing effect. The cover 102 prevents waste from slipping, and the waste conveying process is smooth. In this embodiment, the cover 102 is fixed to both sides of the base plate 101 by bolts, and the fixing seat 25 is fixed to the cover 102 by bolts.

[0026] The fixed base 25 is fixedly connected to a cover 28 that covers the transmission chain 24. The cover 28 provides protection, preventing damage to the transmission chain 24 and ensuring its service life. The front upright plate 71 is fixedly connected to a guide plate 29 that is supported at the bottom of the drive roller 21 and extends to the fixed blade 9. The guide plate 29 guides the waste material to slide down to the fixed blade 9, facilitating the cutting by the moving blade 5. In this embodiment, the guide plate 29 is fixedly connected to the top of the front upright plate 71 by screws.

[0027] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A waste shredder, comprising a workbench (1), a motor (2), a gearbox (3), and a roller shaft (4), wherein the output shaft of the motor (2) is fixedly connected to the input end of the gearbox (3), the output end of the gearbox (3) is fixedly connected to the roller shaft (4), and the roller shaft (4) is provided with a plurality of moving blades (5), characterized in that, The workbench (1) has a discharge port (6) located below the roller shaft (4). The workbench (1) is provided with a protective cover (7) covering the roller shaft (4) and the discharge port (6). The protective cover (7) has a connecting port (8) connected to the roller shaft (4). A fixed blade (9) located below the connecting port (8) is fixedly connected to the workbench (1). A protective cover (10) is provided at the connecting port (8). A conveyor belt (11) is provided inside the protective cover (10), and the end of the protective cover (10) away from the roller shaft (4) is a feed port (12). A drive mechanism for driving the conveyor belt (11) is provided on the protective cover (10).

2. The waste shredder according to claim 1, characterized in that, The protective cover (7) includes a front upright plate (71), a rear upright plate (72), a top plate, and two side upright plates (73). The top of the front upright plate (71) and the top plate form the communication opening (8). The front upright plate (71) is fixedly connected to a mounting plate (13). A fixed blade (9) is fixedly connected to the mounting plate (13). The rear upright plate (72) is located opposite the front upright plate (71). Both side upright plates (73) are fitted with bearings (14). The roller shaft (4) passes through the two bearings (14). The top plate is fixedly connected to the top of the rear upright plate (72) and the two side upright plates (73).

3. A waste shredder according to claim 2, characterized in that, Both ends of the roller shaft (4) are fitted with polygonal plates (15). The edges of the two polygonal plates (15) are paired and corresponding, and a connecting plate (16) is fixedly connected to each pair of edges. A knife holder (17) is fixedly connected to the connecting plate (16), and a moving knife (5) is fixedly connected to the knife holder (17). The knife holders (17) on adjacent connecting plates (16) are staggered.

4. A waste shredder according to claim 3, characterized in that, Several ribs (18) are fixedly connected between the back of the tool holder (17) and the connecting plate (16).

5. A waste shredder according to claim 4, characterized in that, Both polygonal plates (15) are fixed to a circular rotating plate (19) on their outer sides, and both upright plates (73) are fixed to a support plate (20) on their inner sides. The support plate (20) has an arc-shaped surface that is tangent to the outer wall of the rotating plate (19).

6. A waste shredder according to claim 2, 3, 4, or 5, characterized in that, The protective cover 2 (10) includes a base plate (101) and a cover body (102). The two sides of the base plate (101) are fixedly connected to the cover body (102). The conveyor belt (11) is sleeved outside the base plate (101) and the upper part of the conveyor belt (11) is supported by the base plate (101). The cover body (102) is provided with a drive roller (21) and a driven roller (22). The conveyor belt (11) is sleeved on the drive roller (21) and the driven roller (22). The driving mechanism includes a drive motor (23) and a transmission chain (24). A fixed seat (25) is fixedly connected to one side of the cover body (102). The drive motor (23) is fixedly connected to the fixed seat (25) and the output shaft of the drive motor (23) is fixedly connected to a gear 1 (26). A gear 2 (27) is fixedly connected to one end of the drive roller (21). The gear 1 (26) and the gear 2 (27) are driven by the transmission chain (24).

7. A waste shredder according to claim 6, characterized in that, The fixed base (25) is fixedly connected to a cover (28) that covers the transmission chain (24).

8. A waste shredder according to claim 7, characterized in that, The front upright plate (71) is fixedly connected to a guide plate (29) that is supported at the bottom of the drive roller (21) and extends to the fixed blade (9).

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