Automatic cleaning mechanism for hardware die stamping waste

Abstract

The utility model belongs to the technical field of waste cleaning, a kind of hardware mould stamping waste automatic cleaning mechanism, including punch press, cleaning mechanism and screening mechanism, plate is conveyed between the upper die holder and lower die holder of punch press, after the completion of stamping, infrared sensor detects that the upper die holder rises, and the first motor drive guide rod rotation of cleaning mechanism is triggered, and guide rail is moved to punch press along slider, and the metal brush on connecting plate first contacts lower die holder surface and blade gap peeling off chippings, and jet nozzle synchronously jet chippings away;The waste generated by stamping enters the feed inlet of screening mechanism through punch press discharge side, when falling through feed pipe, second motor is rotated by belt rotating mechanism, and spiral guide plate imports waste into rotary separation cylinder, and long strip large piece waste is discharged through first discharge port by push plate, and small piece waste falls into safety cover through filter hole, and then is collected after secondary filtration by the filter screen of second discharge port, and cleaning and screening process are completed.

Description

Technical Field

[0001] This utility model belongs to the field of waste cleaning technology, specifically an automatic waste cleaning mechanism for metal mold stamping. Background Technology

[0002] In the metal stamping process, timely removal of stamping waste is a crucial step in ensuring mold life, production efficiency, and product quality. Currently, manual cleaning methods generally suffer from drawbacks such as low efficiency, high labor intensity, and significant safety risks. Furthermore, it is difficult to completely remove fine debris from the die cutting edge gap and the surface of the lower die base, which, if accumulated over a long period, will accelerate die wear and lead to a decrease in stamping accuracy.

[0003] Among the existing automated waste cleaning equipment, some equipment is poorly adapted to small and medium-sized stamping production lines; in the waste screening stage, most equipment only achieves coarse separation through a single screen, which cannot efficiently distinguish between long strip-shaped large waste and small fragments, resulting in increased difficulty in subsequent recycling and processing and limited utilization of metal resources. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides an automatic cleaning mechanism for stamping waste in metal molds, which solves the problems of debris not being able to be cleaned from the gaps of the stamping machine and the single method of waste screening.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic cleaning mechanism for stamping waste in hardware molds, characterized in that it includes a stamping machine, a cleaning mechanism, and a screening mechanism. The stamping machine is composed of an upper die base, a lower die base, and a blanking assembly. The blanking assembly is used to stamp and form sheet metal. The cleaning mechanism is fixed to the side of the lower die base by a mounting plate. The cleaning mechanism extends parallel to the side of the lower die base and is perpendicular to the sheet metal infeed direction in the stamping machine. The screening mechanism is rigidly connected to the discharge side of the stamping machine. Optionally, the cleaning mechanism comprises a first motor, a guide rod, a guide rail, a slider, a metal brush, and an air nozzle. The guide rail is U-shaped, the first motor is mounted in the guide rail, the guide rod is rotatably connected to the first motor, the slider is slidably connected to the guide rod and driven by the first motor, the slider is fixed with a connecting plate that abuts against the guide rail, the metal brush and the air nozzle are welded to the connecting plate, the metal brush is lower than the air nozzle, multiple metal brushes and air nozzles are provided, and the ends of the metal brushes and air nozzles face the center of the lower die base when the slider is close to the press. An infrared sensor is also connected to the connecting plate.

[0006] Optionally, the screening mechanism includes a feed inlet, a feed pipe, a belt drive mechanism, a second motor, and a rotating separator. The feed inlet is rigidly connected to the discharge side of the press and is configured as a hollow funnel. The feed pipe is welded to the bottom of the feed inlet and communicates with it. The outer shell of the belt drive mechanism is connected to the feed pipe. The second motor and a rotating shaft are rotatably connected to the belt drive mechanism. The second motor drives the rotating shaft to rotate through the belt drive mechanism. The rotating shaft is located at the center of the feed pipe and extends into the rotating separator. A spiral guide plate is welded to the portion of the rotating shaft located in the feed pipe, and a push plate is welded to the portion of the rotating shaft located in the rotating separator. The rotating separator is enclosed by a safety cover. A first discharge port is welded to the other end of the rotating separator. A second discharge port is installed directly below the safety cover. A filter screen is fixed on the bottom surface of the second discharge port. Multiple filter holes are uniformly stamped on the surface of the rotating separator, and the size of the filter holes is larger than the diameter of the filter screen.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes an infrared sensor to monitor the opening and closing status of the press in real time, triggering a first motor to drive a slider along a U-shaped guide rail. This allows the metal brush and air nozzle to work together: the metal brush, being lower in height, can preferentially contact the surface of the lower die base and the gap between the cutting edges, physically removing fine debris; the air nozzle simultaneously sprays airflow to blow the removed debris away from the die, preventing secondary residue. The spaced arrangement of multiple sets of metal brushes and air nozzles ensures that the cleaning area of ​​the lower die base is covered without dead corners, effectively improving die cleanliness and reducing the risk of die damage caused by debris jamming. In this invention, the screening mechanism can perform grading. Inside the rotating separation cylinder, the spiral guide plate and push plate rotate with the shaft, forming an axial pushing force on the long strip-shaped large waste materials, causing them to be discharged through the first discharge port. The filter holes on the surface of the rotating separation cylinder and the filter screen at the second discharge port form a double-layer filtration structure. The filter holes first pre-screen the fine waste materials, and the filter screen further intercepts the debris that is missed, realizing the grading and separation of large and small waste materials. In addition, the push plate can enhance the unloading capacity inside the cylinder, avoid the large waste materials from getting stuck, ensure continuous and stable screening, and lay the foundation for subsequent metal recycling. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the screening mechanism in this utility model; Figure 3 This is an exploded view of the screening mechanism in this utility model; Figure 4 This is a schematic diagram of the connection structure between the stamping machine and the cleaning mechanism in this utility model; Figure 5 This is a schematic diagram of the cleaning structure in this utility model; In the picture: 1. Stamping machine; 2. Cleaning mechanism; 3. Screening mechanism; 4. Upper die base; 5. Lower die base; 6. Blanking assembly; 7. Mounting plate; 8. First motor; 9. Guide rod; 10. Guide rail; 11. Slider; 12. Metal brush; 13. Air nozzle; 14. Connecting plate; 15. Infrared sensor; 16. Feed port; 17. Feed pipe; 18. Belt drive mechanism; 19. Second motor; 20. Rotary separator; 21. Rotating shaft; 22. Spiral guide plate; 23. Push plate; 24. Safety cover; 25. First discharge port; 26. Second discharge port; 27. Filter screen; 28. Filter holes. Detailed Implementation

[0009] 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.

[0010] like Figure 1 As shown in the figure, this utility model provides an automatic cleaning mechanism for stamping waste in hardware molds. It is characterized by comprising a stamping machine 1, a cleaning mechanism 2, and a screening mechanism 3. The stamping machine 1 consists of an upper die base 4, a lower die base 5, and a blanking assembly 6. The blanking assembly 6 is used to stamp and form sheet metal. The cleaning mechanism 2 is fixed to the side of the lower die base 5 by a mounting plate 7. The cleaning mechanism 2 extends parallel to the side of the lower die base 5 and is perpendicular to the sheet metal infeed direction in the stamping machine 1. The screening mechanism 3 is rigidly connected to the discharge side of the stamping machine 1.

[0011] Specifically, the cleaning mechanism 2 is fixed by the side mounting plate 7 and arranged perpendicular to the plate conveying direction to avoid interfering with the stamping operation. It can be flexibly adapted to small and medium-sized stamping machines 1 of different specifications.

[0012] The cleaning mechanism 2 consists of a first motor 8, a guide rod 9, a guide rail 10, a slider 11, a metal brush 12, and an air nozzle 13. The guide rail 10 is U-shaped. The first motor 8 is installed in the guide rail 10. The guide rod 9 is rotatably connected to the first motor 8. The slider 11 is slidably connected to the guide rod 9 and driven by the first motor 8. The slider 11 is fixed with a connecting plate 14 that abuts against the guide rail 10. The metal brush 12 and the air nozzle 13 are welded to the connecting plate 14. The height of the metal brush 12 is lower than that of the air nozzle 13. Multiple metal brushes 12 and air nozzles 13 are provided, and the ends of the metal brushes 12 and air nozzles 13 are aligned with the center of the lower die base 5 when the slider 11 is close to the press 1. An infrared sensor 15 is also connected to the connecting plate 14.

[0013] Specifically, the infrared sensor 15 of this invention monitors the opening and closing status of the press 1 in real time, triggering the first motor 8 to drive the slider 11 to move along the U-shaped guide rail 10, so that the metal brush 12 and the air nozzle 13 work together: the metal brush 12 is lower in height and can preferentially contact the surface of the lower die base 5 and the gap between the cutting edges to physically peel off small debris; the air nozzle 13 simultaneously sprays airflow to blow the peeled debris away from the mold, avoiding secondary residue. The spaced arrangement of multiple sets of metal brushes 12 and air nozzles 13 ensures that the cleaning area of ​​the lower die base 5 is covered without dead corners, effectively improving the cleanliness of the mold and reducing the risk of mold damage caused by debris jamming.

[0014] The screening mechanism 3 includes a feed inlet 16, a feed pipe 17, a belt drive mechanism 18, a second motor 19, and a rotating separator 20. The feed inlet 16 is rigidly connected to the discharge side of the press 1, and the feed inlet 16 is configured as a hollow funnel. The feed pipe 17 is welded to the bottom of the feed inlet 16 and communicates with it. The outer shell of the belt drive mechanism 18 is connected to the feed pipe 17. The second motor 19 and a rotating shaft 21 are rotatably connected to the belt drive mechanism 18. The second motor 19 drives the rotating shaft 21 to rotate through the belt drive mechanism 18. The rotating shaft 21 is located at the feed pipe 16. 7 extends into the center of the rotating separator 20. A spiral guide plate 22 is welded to the part of the rotating shaft 21 located on the feed pipe 17. A push plate 23 is welded to the part of the rotating shaft 21 located on the rotating separator 20. The rotating separator 20 is enclosed by a safety cover 24. A first discharge port 25 is welded to the other end of the rotating separator 20. A second discharge port 26 is installed directly below the safety cover 24. A filter screen 27 is fixed on the bottom surface of the second discharge port 26. Multiple filter holes 28 are uniformly stamped on the surface of the rotating separator 20. The size of the filter holes 28 is larger than the aperture of the filter screen 27.

[0015] Specifically, in this utility model, the screening mechanism 3 can perform grading. Inside the rotating separation cylinder 20, the spiral guide plate 22 and the push plate 23 rotate with the rotating shaft 21, forming an axial pushing force on the long strip-shaped large waste material, causing it to be discharged in a concentrated manner through the first discharge port 25. The filter holes 28 on the surface of the rotating separation cylinder 20 and the filter screen 27 at the second discharge port 26 form a double-layer filtration structure. The filter holes 28 first pre-screen the fine waste material, and the filter screen 27 further intercepts the debris that is missed by the screen, realizing the grading and separation of large and small waste materials. Moreover, the push plate 23 can enhance the unloading capacity inside the cylinder, avoid the large waste material from getting stuck, ensure continuous and stable screening, and lay the foundation for subsequent metal recycling.

[0016] The working principle and usage process of this utility model: The sheet metal is conveyed between the upper die base 4 and the lower die base 5 of the stamping machine 1. After the stamping assembly 6 completes the stamping, the infrared sensor 15 detects that the upper die base 4 is raised, triggering the first motor 8 of the cleaning mechanism 2 to drive the guide rod 9 to rotate, which drives the slider 11 to move along the guide rail 10 towards the stamping machine 1. The metal brush 12 on the connecting plate 14 first contacts the surface of the lower die base 5 and the gap between the cutting edges to remove the debris. The air nozzle 13 simultaneously blows the debris away. The waste generated by stamping enters the feed port 16 of the screening mechanism 3 through the discharge side of the stamping machine 1. When it falls through the feed pipe 17, the second motor 19 drives the rotating shaft 21 to rotate through the belt rotating mechanism 18. The spiral guide plate 22 guides the waste into the rotating separation cylinder 20. The push plate 23 pushes the long strip of large waste to be discharged through the first discharge port 25. The small waste falls into the safety cover 24 through the filter hole 28, and is then collected after secondary filtration through the filter screen 27 of the second discharge port 26, completing the cleaning and screening process.

[0017] 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.

[0018] 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, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic waste cleaning mechanism for stamping metal molds, characterized in that, The device includes a stamping machine (1), a cleaning mechanism (2), and a screening mechanism (3). The stamping machine (1) is composed of an upper die base (4), a lower die base (5), and a blanking assembly (6). The blanking assembly (6) is used to stamp and form sheet metal. The cleaning mechanism (2) is fixed to the side of the lower die base (5) by a mounting plate (7). The cleaning mechanism (2) extends parallel to the side of the lower die base (5) and is perpendicular to the sheet metal inlet and outlet direction in the stamping machine (1). The screening mechanism (3) is rigidly connected to the outlet side of the stamping machine (1).

2. The automatic waste cleaning mechanism for stamping of metal molds according to claim 1, characterized in that, The cleaning mechanism (2) consists of a first motor (8), a guide rod (9), a guide rail (10), a slider (11), a metal brush (12), and an air nozzle (13). The guide rail (10) is U-shaped. The first motor (8) is installed in the guide rail (10). The guide rod (9) is rotatably connected to the first motor (8). The slider (11) is slidably connected to the guide rod (9) and driven by the first motor (8). The slider (11) is fixed to the guide rail (10). 0) A connecting plate (14) that abuts against each other, the metal brush (12) and the jet nozzle (13) are welded on the connecting plate (14), the height of the metal brush (12) is lower than that of the jet nozzle (13), multiple metal brushes (12) and jet nozzles (13) are provided, and the ends of the metal brushes (12) and jet nozzles (13) are directly facing the center of the lower die base (5) when the slider (11) is close to the press (1), and an infrared sensor (15) is also connected to the connecting plate (14).

3. The automatic waste cleaning mechanism for stamping of metal molds according to claim 1, characterized in that, The screening mechanism (3) includes a feed inlet (16), a feed pipe (17), a belt drive mechanism (18), a second motor (19), and a rotating separator (20). The feed inlet (16) is rigidly connected to the discharge side of the press (1), and the feed inlet (16) is configured as a hollow funnel. The feed pipe (17) is welded to the bottom of the feed inlet (16) and communicates with it. The outer shell of the belt drive mechanism (18) is connected to the feed pipe (17). The second motor (19) and the rotating shaft (21) are rotatably connected to the belt drive mechanism (18). The second motor (19) drives the rotating shaft (21) to rotate through the belt drive mechanism (18). The rotating shaft (21) is located at the feed pipe. (17) The center extends into the interior of the rotating separator (20). A spiral guide plate (22) is welded on the part of the rotating shaft (21) located on the feed pipe (17). A push plate (23) is welded on the part of the rotating shaft (21) located on the rotating separator (20). The rotating separator (20) is wrapped by a safety cover (24). A first discharge port (25) is welded to the other end of the rotating separator (20). A second discharge port (26) is installed directly below the safety cover (24). A filter screen (27) is fixed on the bottom surface of the second discharge port (26). Multiple filter holes (28) are uniformly stamped on the surface of the rotating separator (20). The size of the filter holes (28) is larger than the aperture of the filter screen (27).

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