A sheet metal part machining waste processor

Abstract

The utility model discloses a kind of scrap processors for sheet metal part processing, including processing machine case, feed tank and grinding box, the bottom of processing machine case is provided with support frame, grinding box is installed in the bottom of processing machine case of support frame inboard, and the side of processing machine case top is installed with feed tank, feed tank is sequentially provided with feed cavity and primary crushing cavity from top to bottom inside, and primary crushing cavity is installed with crushing roller one and crushing roller two in parallel inside. The utility model sets up primary crushing cavity inside feed tank, carries out primary crushing to waste through the synergic effect of crushing roller one and crushing roller two. Subsequently, waste enters processing machine case, and shearing is carried out under the joint action of movable shearing blade at the bottom of rotary disc and fixed shearing blade inside processing machine case. This three-stage linkage processing mode of coarse crushing, medium crushing and fine crushing significantly improves the crushing efficiency and processing effect of waste.

Description

Technical Field

[0001] This utility model relates to the field of waste treatment technology in sheet metal processing, specifically a waste processor for sheet metal processing. Background Technology

[0002] Sheet metal parts are widely used in automobile manufacturing, home appliance production, and machining. During the stamping, shearing, and bending processes, a large amount of waste (such as scrap, stamping residue, and waste sheet metal) is generated. These waste materials are mostly metals (such as cold-rolled steel, aluminum alloy, and stainless steel) and have high recycling value. After being crushed and ground, they can be remelted, reducing resource waste.

[0003] Currently, most sheet metal scrap processing equipment uses single-stage crushing (such as shearing or impact crushing alone) or simple two-stage linkage, which is difficult to adapt to the diversity of sheet metal scrap. In addition, during the feeding process, sheet metal scrap causes dust to spread into the workshop, which not only endangers the respiratory health of operators, but may also cause equipment short circuits or safety hazards due to the accumulation of metal dust. Utility Model Content

[0004] The purpose of this utility model is to provide a waste processor for sheet metal processing to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste processor for sheet metal processing, comprising a processing chassis, a feeding box, and a grinding box. A support frame is provided at the bottom of the processing chassis, and a grinding box is installed at the bottom of the processing chassis inside the support frame. A feeding box is installed on one side of the top of the processing chassis. The inside of the feeding box is provided with a feeding chamber and a preliminary crushing chamber from top to bottom. Crushing roller one and crushing roller two are installed side by side inside the preliminary crushing chamber. A servo motor is provided at the center of the top of the processing chassis. The output end of the servo motor is fixedly connected to a rotating disk provided at the top inside the processing chassis through a reducer two. Movable shearing blades are evenly provided at the bottom of the rotating disk, and fixed shearing blades are evenly provided at the bottom of the processing chassis inside below the movable shearing blades. A grinding motor is installed on one side of the grinding box. The output end of the grinding motor extends into the interior of the grinding box and is connected to a grinding disc. Grinding protrusions are evenly arranged on the outer side of the grinding disc. A grinding liner is provided on the inner wall of the grinding box. A discharge pipe is provided at the center of the bottom of the grinding box. The top end of the discharge pipe extends into the interior of the grinding box and is provided with a discharge filter screen.

[0006] The top of the processing unit is also equipped with a dust collection box, the input end of which is connected to a dust collection pipe, and the other end of the dust collection pipe extends into the inside of the feeding chamber and is equipped with a protective net.

[0007] Preferably, one end of each of the first and second crushing rollers extends to the outside of the feed box and is respectively connected to a meshing transmission gear one and a transmission gear two, and a protective cover is installed on the feed box outside the transmission gear one and the transmission gear two.

[0008] Preferably, the other end of the first crushing roller extends to the other side of the feed box and is connected to a first reducer, and the input end of the first reducer is equipped with a crushing motor.

[0009] Preferably, ultrasonic generators are evenly arranged on the outside of the processing chassis, and each ultrasonic generator is connected to a controller installed on one side of the processing chassis via a wire.

[0010] Preferably, the movable shearing blade and the fixed shearing blade are arranged alternately, and the gap between the movable shearing blade and the fixed shearing blade gradually decreases from the outside to the inside. The bottom of the processing box at the center of the fixed shearing blade is provided with a discharge port that communicates with the grinding box.

[0011] Preferably, an exhaust fan is installed on the top of the air outlet of the dust collection box, an exhaust mesh cover is installed on the outside of the exhaust fan, and a non-woven fabric layer, a polyester fiber felt and a metal filter screen are arranged sequentially from the inside to the outside of the air outlet of the dust collection box.

[0012] This utility model provides a waste processor for sheet metal processing, which has significant advantages over the prior art, as detailed below: 1. This utility model incorporates a preliminary crushing chamber inside the feed box, where the waste material is initially crushed through the synergistic action of crushing roller one and crushing roller two. Subsequently, the waste material enters the processing chamber, where it is sheared and pulverized under the combined action of the movable shearing blades at the bottom of the rotating disc and the fixed shearing blades inside the processing chamber. This three-stage linkage processing method of coarse, medium, and fine crushing significantly improves the crushing efficiency and processing effect of waste material.

[0013] After being sheared and shredded, the waste material falls into the grinding chamber, where it undergoes further refining by a grinding disc driven by a grinding motor. The grinding protrusions evenly distributed on the outer side of the grinding disc and the grinding lining on the inner wall of the grinding chamber work together to ensure that the waste material is ground into finer particles, thereby increasing its reuse value.

[0014] 2. Crushing roller one and crushing roller two are driven by meshing transmission gear one and transmission gear two, in conjunction with the crushing motor and reducer, ensuring the stability and efficiency of the crushing process. The protective cover design further ensures operational safety. The movable shearing blade and the fixed shearing blade are arranged alternately, and the gap gradually decreases from the outside to the inside. This design makes the waste material more evenly stressed during the shearing process, resulting in better shearing effect. The material discharge port is connected to the grinding box, ensuring that the waste material enters the grinding stage smoothly.

[0015] 3. A suction pipe connected to the dust collection box is installed on one side of the feeding chamber of the feeding box. The other end of the suction pipe extends into the feeding chamber and is equipped with a protective net. The inside of the dust collection box's air outlet is lined with a non-woven fabric layer, a polyester fiber felt, and a metal filter, effectively capturing and filtering dust, reducing environmental pollution, and protecting the health of operators. An exhaust fan and exhaust screen are installed on the top of the dust collection box's air outlet to further improve ventilation and ensure fresh air in the workshop. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall internal structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the feed box of this utility model; Figure 3 This is a schematic diagram of the internal structure of the dust collection box of this utility model; Figure 4 This is a bottom view of the rotating disk structure of this utility model; Figure 5 This is a side view of the structure of this utility model; In the diagram: 1. Support frame; 2. Grinding disc; 3. Grinding box; 4. Fixed shearing blade; 5. Movable shearing blade; 6. Rotary disc; 7. Dust collection box; 8. Reducer II; 9. Servo motor; 10. Dust collection pipe; 11. Transmission gear I; 12. Transmission gear II; 13. Feed box; 14. Protective cover; 15. Ultrasonic generator; 16. Processing box; 17. Discharge port; 18. Grinding liner; 19. Grinding protrusion; 20. Discharge filter; 21. Discharge pipe; 22. Controller; 23. Reducer I; 24. Crushing motor; 25. Grinding motor; 26. Crushing roller I; 27. Crushing roller II; 28. Primary crushing chamber; 29. ​​Protective net; 30. Feeding chamber; 31. Polyester fiber felt; 32. Non-woven fabric layer; 33. Metal filter; 34. Exhaust screen; 35. Exhaust fan. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0018] Please see Figures 1-5 The present invention provides an embodiment of a waste processor for sheet metal processing, comprising a processing housing 16, a feeding box 13 and a grinding box 3. Ultrasonic generators 15 are evenly arranged on the outside of the processing housing 16, and each ultrasonic generator 15 is connected to a controller 22 installed on one side of the processing housing 16 via a wire.

[0019] A support frame 1 is provided at the bottom of the processing machine casing 16. A grinding box 3 is installed at the bottom of the processing machine casing 16 inside the support frame 1, and a feed box 13 is installed on one side of the top of the processing machine casing 16.

[0020] The processing enclosure 16 is made of high-strength steel plate, which has good sealing and corrosion resistance. Several ultrasonic generators 15 are evenly distributed on its outer side. The installation position of each ultrasonic generator 15 has been precisely calculated to ensure that the ultrasonic waves can act evenly on the waste material.

[0021] The ultrasonic generator 15 employs high-frequency vibration technology to generate high-frequency ultrasonic waves. Through the vibration of these ultrasonic waves, the crushing and grinding process of waste materials is accelerated. Each ultrasonic generator 15 is connected to a controller 22 via a wire. The controller 22 can adjust the frequency and intensity of the ultrasonic waves to meet the processing requirements of different waste materials.

[0022] The controller 22 is installed on one side of the processing unit 16 for easy operation and adjustment by the operator. The controller 22 uses microcomputer control technology and has an operating interface, allowing the operator to set ultrasonic parameters such as frequency, intensity, and time. The controller 22 also features fault detection and alarm functions to ensure the safe operation of the equipment.

[0023] The feed box 13 is installed on the side of the top of the processing machine box 16. The bottom of the feed box 13 is provided with a feed port, which communicates with the inside of the processing machine box 16. Waste material enters the grinding box 3 through the feed port.

[0024] The feed box 13 has a feed chamber 30 and a primary crushing chamber 28 arranged sequentially from top to bottom. The primary crushing chamber 28 has a crushing roller 26 and a crushing roller 27 installed side by side. One end of the crushing roller 26 and the crushing roller 27 extends to the outside of the feed box 13 and is respectively connected to a transmission gear 11 and a transmission gear 22 that mesh with each other. A protective cover 14 is installed on the feed box 13 outside the transmission gear 11 and the transmission gear 22.

[0025] The other end of the crushing roller 26 extends to the other side of the feed box 13 and is connected to the reducer 23, and the input end of the reducer 23 is equipped with the crushing motor 24.

[0026] This utility model includes a feeding box 13, inside which a feeding chamber 30 and a primary crushing chamber 28 are arranged sequentially from top to bottom. The feeding chamber 30 is used to receive the material to be crushed, and the material enters the primary crushing chamber 28 below by gravity.

[0027] Inside the primary crushing chamber 28, crushing roller 1 26 and crushing roller 27 are installed side-by-side. The installation positions of crushing roller 1 26 and crushing roller 27 are relatively parallel, and the distance between them can be adjusted according to the size of the material and crushing requirements. One end of both crushing roller 1 26 and crushing roller 27 extends to the outside of the feed box 13 and is respectively connected to meshing drive gear 11 and drive gear 2 12. The design of drive gear 11 and drive gear 2 12 ensures synchronous rotation of the two rollers, thereby achieving uniform crushing of the material.

[0028] To ensure operational safety, protective covers 14 are installed on the feed boxes 13 outside the transmission gear 11 and transmission gear 2 12. The protective covers 14 are made of high-strength materials and can effectively prevent foreign objects from entering the gear transmission area, avoiding equipment damage or personal injury caused by foreign object jamming.

[0029] The other end of the crushing roller 26 extends to the other side of the feed box 13 and is connected to a reducer 23. The function of the reducer 23 is to convert the high-speed rotation of the crushing motor 24 into a low-speed, high-torque output suitable for the crushing roller 26. The crushing motor 24 is installed at the input end of the reducer 23. The crushing motor 24 is driven by a power source and provides the power required for the crushing roller 26 and the crushing roller 27.

[0030] A servo motor 9 is located at the center of the top of the processing chassis 16. The output end of the servo motor 9 is fixedly connected to the rotating disk 6 located inside the upper part of the processing chassis 16 through a reducer 8. Movable shearing blades 5 are evenly arranged at the bottom of the rotating disk 6, and fixed shearing blades 4 are evenly arranged at the bottom of the processing chassis 16 below the movable shearing blades 5.

[0031] The movable shearing blade 5 and the fixed shearing blade 4 are arranged alternately, and the gap between the movable shearing blade 5 and the fixed shearing blade 4 gradually decreases from the outside to the inside. The bottom of the processing box 16 at the center of the fixed shearing blade 4 is provided with a discharge port 17 that communicates with the grinding box 3.

[0032] The internal structure of the processing chassis 16 is circular, with a servo motor 9 positioned at its top center. The servo motor 9 is a high-precision, high-torque motor to ensure stable operation of the rotating disk 6. The output of the servo motor 9 is fixedly connected to the rotating disk 6 located on the upper part of the processing chassis 16 via a reducer 8. The reducer 8 converts the high-speed, low-torque output of the servo motor 9 into a low-speed, high-torque output, thereby providing sufficient power to drive the rotating disk 6.

[0033] The rotating disk 6 is located inside the upper part of the processing housing 16, and multiple movable shearing blades 5 are evenly arranged on its bottom. The movable shearing blades 5 are made of high-strength alloy material to ensure wear resistance and sharpness during the shearing process. Each movable shearing blade 5 is installed on the bottom of the rotating disk 6 by bolts or other fixing methods to ensure that it will not loosen during rotation.

[0034] At the bottom of the processing housing 16 below the movable shearing blade 5, fixed shearing blades 4 are evenly arranged. The fixed shearing blades 4 are also made of high-strength alloy material, and their installation positions are staggered with those of the movable shearing blades 5. Specifically, the movable shearing blades 5 and the fixed shearing blades 4 are arranged in an alternating manner, that is, each movable shearing blade 5 has one fixed shearing blade 4 on each side.

[0035] The gap between the movable shearing blade 5 and the fixed shearing blade 4 gradually decreases from the outside in. This design aims to achieve a gradual shearing effect on the material from the outside in. Specifically, the gap on the outer side is larger, facilitating the initial shearing of the material, while the gap on the inner side is smaller, used for fine shearing. This gradual gap design not only improves shearing efficiency but also ensures uniform material size after shearing.

[0036] The bottom of the processing housing 16, which has a fixed shearing blade 4 at its center, is equipped with a discharge port 17 that communicates with the grinding chamber 3. The size and position of the discharge port 17 are precisely calculated to ensure that the sheared material can fall smoothly into the grinding chamber 3 for further processing. The edges of the discharge port 17 are rounded to prevent the material from getting stuck during its descent.

[0037] A grinding motor 25 is installed on one side of the grinding box 3. The output end of the grinding motor 25 extends into the interior of the grinding box 3 and is connected to the grinding disc 2. Grinding protrusions 19 are evenly arranged on the outer side of the grinding disc 2. A grinding liner 18 is provided on the inner wall of the grinding box 3. A discharge pipe 21 is provided at the center of the bottom of the grinding box 3. The top end of the discharge pipe 21 extends into the interior of the grinding box 3 and is provided with a discharge filter screen 20.

[0038] The grinding box 3 of this invention is cylindrical in shape, with a grinding motor 25 mounted on one side. The grinding motor 25 is mounted on the outer wall of the grinding box 3 via a fixed bracket, and the output end of the motor extends into the interior of the grinding box 3. The grinding motor 25 is a high-efficiency and energy-saving motor, and its power can be adjusted according to actual needs to ensure the stability and efficiency of the grinding effect.

[0039] The output shaft of the grinding motor 25 is connected to the grinding disc 2 via a coupling. The grinding disc 2 is located at the center of the grinding chamber 3. The grinding disc 2 is made of high-strength, wear-resistant material to ensure that it is not easily worn during long-term use. Multiple grinding protrusions 19 are evenly distributed on the outer side of the grinding disc 2. The height and distribution density of the grinding protrusions 19 are optimized to effectively improve grinding efficiency and effect. The grinding protrusions 19 are conical in shape, with their tips facing the inner wall of the grinding chamber 3. This design helps to generate stronger shearing and frictional forces during the grinding process, thereby improving grinding efficiency.

[0040] The inner wall of the grinding chamber 3 is equipped with a grinding liner 18, which is also made of high-strength wear-resistant material with a smooth surface to reduce material adhesion during the grinding process. The grinding liner 18 is fixed to the inner wall of the grinding chamber 3 by bolts, which facilitates disassembly and replacement and extends the service life of the equipment.

[0041] A discharge pipe 21 is located at the center of the bottom of the grinding chamber 3. The top of the discharge pipe 21 extends into the interior of the grinding chamber 3 and is fitted with a discharge filter screen 20. The mesh size of the discharge filter screen 20 is selected according to the particle size requirements of the grinding material to ensure uniform particle size of the discharged material. The discharge filter screen 20 is made of corrosion-resistant and wear-resistant metal material, and its structure is designed to be detachable for easy regular cleaning and replacement.

[0042] During the grinding process, the material enters the grinding chamber 3 through the feed inlet. Driven by the grinding motor 25, the grinding disc 2 rotates at high speed. Strong shearing and frictional forces are generated between the grinding protrusions 19 and the grinding liner 18. The material is repeatedly ground and collided in the cavity between the grinding disc 2 and the grinding liner 18, gradually becoming finer. The ground material is filtered through the discharge filter screen 20. The fined material is discharged from the grinding chamber 3 through the discharge pipe 21, while larger particles continue to be ground in the grinding chamber 3.

[0043] The top of the processing unit 16 is also equipped with a dust collection box 7. The input end of the dust collection box 7 is connected to a dust collection pipe 10, and the other end of the dust collection pipe 10 extends into the inside of the feeding chamber 30 and is equipped with a protective net 29.

[0044] An exhaust fan 35 is installed on the top of the air outlet of the dust collection box 7. An exhaust screen 34 is installed on the outside of the exhaust fan 35. The inside of the air outlet of the dust collection box 7 is provided with a non-woven fabric layer 32, a polyester fiber felt 31 and a metal filter screen 33 from the inside to the outside.

[0045] The input end of the dust collection box 7 is connected to the feed chamber 30 via the suction pipe 10. One end of the suction pipe 10 is fixed to the input end of the dust collection box 7, and the other end extends into the interior of the feed chamber 30, with a protective net 29 at the end. The function of the protective net 29 is to prevent larger particles from entering the suction pipe 10, thereby protecting the filtration system inside the dust collection box 7.

[0046] The dust collection box 7 has a reasonable internal structure design, which can effectively separate and collect dust. An exhaust fan 35 is installed on the top of its air outlet, and an exhaust screen 34 is installed on the outside of the exhaust fan 35. The main function of the exhaust fan 35 is to exhaust the filtered clean air out of the dust collection box 7, while the exhaust screen 34 serves to protect the exhaust fan 35 and prevent foreign objects from entering.

[0047] The inside of the air outlet of the dust collection box 7 is provided with a non-woven fabric layer 32, a polyester fiber felt 31, and a metal filter screen 33 arranged sequentially from the inside to the outside. These three layers of filter materials together constitute a high-efficiency filtration system.

[0048] When this application embodiment is used, Sheet metal scrap is fed into the feeding chamber 30 of the feeding box 13. Under the action of gravity, the scrap enters the primary crushing chamber 28. The crushing motor 24 drives the crushing roller 26 to rotate through the reducer 23. The crushing roller 26 drives the crushing roller 27 to rotate synchronously in the opposite direction through the meshing transmission gear 11 and transmission gear 12, so as to perform primary crushing of the scrap. The protective cover 14 prevents foreign objects from entering the gear transmission area.

[0049] After initial crushing, the waste material falls into the processing chamber 16. The servo motor 9 drives the rotating disk 6 to rotate through the reducer 8. The movable shearing blade 5 at the bottom of the rotating disk 6 rotates with it and cooperates with the fixed shearing blade 4 at the bottom of the processing chamber 16 (the two are intersected and the gap gradually decreases from the outside to the inside) to shear and crush the waste material from coarse to fine. At the same time, the controller 22 starts the ultrasonic generator 15. The ultrasonic waves act on the waste material to accelerate the shearing and crushing process.

[0050] The waste material after shearing and crushing enters the grinding box 3 through the discharge port 17 at the center of the fixed shearing blade 4. The grinding motor 25 drives the grinding disc 2 to rotate at high speed. The grinding protrusions 19 on the outer side of the grinding disc 2 cooperate with the grinding lining 18 on the inner wall of the grinding box 3 to further grind and refine the waste material. The ground material is repeatedly collided and ground in the grinding box 3 until the particle size meets the requirements.

[0051] Materials that meet the particle size requirements are filtered through the discharge filter screen 20 and discharged through the discharge pipe 21; particles that do not meet the requirements continue to be ground in the grinding box 3.

[0052] Throughout the entire process, the exhaust fan 35 of the dust collection box 7 operates continuously, sucking up the dust in the feeding chamber 30 through the dust collection pipe 10 (with end protective net 29 to prevent large particles from entering). After the dust enters the dust collection box 7, it is filtered in sequence through the metal filter 33, polyester fiber felt 31, and non-woven fabric layer 32, and the clean air is discharged through the exhaust net cover 34.

[0053] Obviously, the embodiments described above 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 should fall within the protection scope of this utility model.

[0054] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0055] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0056] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A waste processor for sheet metal processing, comprising a processing chassis (16), a feeding box (13), and a grinding box (3), characterized in that: The bottom of the processing box (16) is provided with a support frame (1), and a grinding box (3) is installed on the bottom of the processing box (16) inside the support frame (1). A feeding box (13) is installed on one side of the top of the processing box (16). The feeding box (13) is provided with a feeding chamber (30) and a preliminary crushing chamber (28) from top to bottom. Crushing roller one (26) and crushing roller two (27) are installed side by side inside the preliminary crushing chamber (28). A servo motor (9) is provided at the center of the top of the processing box (16). The output end of the servo motor (9) is fixedly connected to the rotating disk (6) provided above the inside of the processing box (16) through a reducer two (8). Movable shearing blades (5) are evenly provided at the bottom of the rotating disk (6). Fixed shearing blades (4) are evenly provided at the bottom of the processing box (16) below the movable shearing blades (5). A grinding motor (25) is installed on one side of the grinding box (3). The output end of the grinding motor (25) extends into the interior of the grinding box (3) and is connected to a grinding disc (2). Grinding protrusions (19) are evenly arranged on the outer side of the grinding disc (2). A grinding liner (18) is provided on the inner wall of the grinding box (3). A discharge pipe (21) is provided at the center of the bottom of the grinding box (3). The top end of the discharge pipe (21) extends into the interior of the grinding box (3) and is provided with a discharge filter screen (20). The top of the processing chassis (16) is also provided with a dust collection box (7), the input end of the dust collection box (7) is connected to a dust collection pipe (10), and the other end of the dust collection pipe (10) extends into the inside of the feeding chamber (30) and is provided with a protective net (29).

2. The waste processor for sheet metal processing according to claim 1, characterized in that: One end of each of the first crushing roller (26) and the second crushing roller (27) extends to the outside of the feed box (13) and is respectively connected to the meshing transmission gear one (11) and the transmission gear two (12), and a protective cover (14) is installed on the feed box (13) outside the transmission gear one (11) and the transmission gear two (12).

3. The waste processor for sheet metal processing according to claim 2, characterized in that: The other end of the crushing roller (26) extends to the other side of the feed box (13) and is connected to a reducer (23), and the input end of the reducer (23) is equipped with a crushing motor (24).

4. A waste processor for sheet metal processing according to claim 1, characterized in that: Ultrasonic generators (15) are evenly arranged on the outside of the processing chassis (16), and each ultrasonic generator (15) is connected to a controller (22) installed on one side of the processing chassis (16) via a wire.

5. A waste processor for sheet metal processing according to claim 1, characterized in that: The movable shearing blade (5) and the fixed shearing blade (4) are arranged in an alternating manner, and the gap between the movable shearing blade (5) and the fixed shearing blade (4) gradually decreases from the outside to the inside. The bottom of the processing box (16) at the center of the fixed shearing blade (4) is provided with a discharge port (17) that communicates with the grinding box (3).

6. A waste processor for sheet metal processing according to claim 1, characterized in that: The top of the air outlet of the dust collection box (7) is equipped with an exhaust fan (35), and an exhaust mesh cover (34) is installed on the outside of the exhaust fan (35). The inside of the air outlet of the dust collection box (7) is provided with a non-woven fabric layer (32), a polyester fiber felt (31) and a metal filter (33) from the inside to the outside.

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