Automatic waste material discharging mechanism of punch press

By designing an automatic waste removal mechanism on the stamping machine, and using a hydraulic cylinder to drive the lifting plate and transmission components to achieve automatic waste conveying, the problems of high labor intensity and complex structure in the existing technology are solved, thereby improving production efficiency and reducing costs.

CN224322245UActive Publication Date: 2026-06-05HUBEI HAIWEI BUILDING MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI HAIWEI BUILDING MATERIALS CO LTD
Filing Date
2025-06-05
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing stamping machines suffer from high labor intensity, low efficiency, and safety hazards in waste disposal. Furthermore, existing automatic waste discharge devices are complex in structure and costly.

Method used

An automatic waste removal mechanism for a stamping machine tool was designed. A hydraulic cylinder drives a lifting plate to move the stamping head and mold. The linear motion of the lifting plate is converted into the unidirectional intermittent rotation of the conveyor belt through a transmission component, thereby realizing the automatic conveying of waste without the need for an additional drive device.

Benefits of technology

It achieves a high degree of automation in waste material conveying, reduces the labor intensity of operators, improves production efficiency, avoids the impact of waste material accumulation on stamping work, and has a simple structure and low cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to punch press technical field discloses a kind of automatic waste material mechanism of punch press, including workbench, base, top plate, hydraulic cylinder, lifting plate, multiple guide columns, multiple punch head, multiple punch mould, material-discharging assembly, transmission assembly and guide adjusting assembly.The utility model has the following advantages and effects: high degree of automation is realized, the power generated when lifting plate works can be directly used to drive the conveyor belt and realize the one-way intermittent discharging effect of the conveyor belt, without setting drive for the conveyor belt used for discharging, and the distance of intermittent transmission of the conveyor belt can be adjusted according to actual needs, increasing the flexibility and applicability of the equipment, not only reducing the labor intensity of operators, but also avoiding the impact of waste accumulation on the stamping work, thereby ensuring the smooth progress of the stamping work and effectively improving the efficiency of the stamping work.
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Description

Technical Field

[0001] This utility model relates to the field of stamping machine tool technology, and in particular to an automatic waste discharge mechanism for stamping machine tools. Background Technology

[0002] In modern industrial production, stamping machines, as key equipment for metal forming and processing, are widely used in many fields such as automobile manufacturing, electronic equipment, and aerospace. During the stamping process, a large amount of waste is inevitably generated. If this waste is not removed in a timely and effective manner, it will not only accumulate on the worktable, affecting the normal progress of subsequent stamping operations, but may also damage the stamping dies, reducing product quality and production efficiency.

[0003] Currently, most stamping machines rely on manual waste removal. Operators must frequently interrupt the stamping process to manually remove the waste from the worktable. This method is not only labor-intensive and inefficient but also poses safety hazards, potentially leading to operator injuries. While some stamping machines are equipped with automatic waste removal devices, these devices are often complex in structure, requiring a separate drive unit to power the waste removal conveyor belt, increasing equipment costs and maintenance complexity.

[0004] Therefore, this utility model proposes an automatic waste discharge mechanism for stamping machines to solve the above problems.

[0005] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0006] The purpose of this invention is to provide an automatic waste discharge mechanism for a stamping machine tool, which has the advantages of high automation, no need for additional drive devices, and flexible adjustment of the single discharge distance.

[0007] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an automatic waste discharge mechanism for a stamping machine tool, comprising a worktable, a base, a top plate, a hydraulic cylinder, a lifting plate, multiple guide columns, multiple stamping heads, multiple stamping dies, a discharge assembly, a transmission assembly, and a guide adjustment assembly;

[0008] Multiple partitions arranged in parallel are fixedly installed on the side of the base and the worktable that are close to each other. Multiple guide columns are fixedly installed on the side of the worktable and the top plate that are close to each other. The lifting plate is slidably installed on the multiple guide columns. The hydraulic cylinder is fixedly installed on the top plate, and the working end of the hydraulic cylinder is fixedly installed on the top side of the lifting plate. Multiple stamping heads and multiple stamping dies are fixedly installed on the bottom side of the lifting plate and the top side of the worktable, respectively. Multiple discharge ports for material discharge and each adapted to the corresponding stamping die are opened on the worktable.

[0009] The material discharge assembly is disposed between the base and the worktable and connected to multiple partitions. The transmission assembly is disposed on the worktable and connected to the material discharge assembly and one of the partitions. The guide adjustment assembly is disposed on the worktable and connected to the lifting plate and the transmission assembly.

[0010] The present invention is further configured such that: the discharge assembly includes two rotating shafts, multiple conveying rollers and multiple conveyor belts, two rotating shafts arranged in parallel to each other are rotatably mounted on multiple partitions, multiple conveying rollers are fixedly sleeved on each of the two rotating shafts, the number of conveying rollers located between adjacent partitions is two, and the same conveyor belt is drivenly connected to the two conveying rollers located between two adjacent partitions.

[0011] By adopting the above technical solution, the conveyor belt can be controlled to transport the waste material discharged through the discharge port when the shaft rotates, thereby achieving the effect of automatic waste discharge.

[0012] A further feature of this invention is that the transmission assembly includes a toothed plate, a fixed strip, a hollow gear, a rotating pin, a fixed plate, a ratchet, a pawl, and a push spring. The toothed plate is slidably mounted on the worktable, and a fixed plate is fixedly mounted on the top side of the toothed plate. A fixed strip is fixedly mounted on the bottom side of the worktable, and a hollow gear is rotatably mounted on the fixed strip. A rotating pin is rotatably mounted on a partition near the fixed strip. The rotating pin extends into the hollow gear and is fixedly fitted with a ratchet. A pawl is hinged to the inner wall of the hollow gear, and the same push spring is fixedly mounted on the pawl and the inner wall of the hollow gear. The pawl and the ratchet are compatible.

[0013] By adopting the above technical solution, the linear motion of the lifting plate moving downward can be converted into the effect of unidirectional intermittent rotation.

[0014] A further feature of this invention is that the transmission assembly includes a belt and two pulleys, with pulleys fixedly sleeved on both the rotating pin and one of the rotating shafts, and the two pulleys being connected by the same belt for transmission.

[0015] By adopting the above technical solution, the unidirectional intermittent rotation of the rotating pin can be transmitted to the rotating shaft, thereby providing driving force for the conveyor belt as the lifting plate reciprocates during operation.

[0016] A further feature of this invention is that the same compression spring is fixedly installed on the side of the fixed plate that is close to the worktable.

[0017] By adopting the above technical solution, it is possible to control the toothed plate to return to its upward position when the lifting plate moves upward.

[0018] A further feature of this invention is that the guide adjustment assembly includes a guide screw and a threaded sleeve. A guide screw that is slidably connected to a lifting plate is fixedly installed on the worktable. A fixed plate is movably sleeved on the outside of the guide screw. A threaded sleeve is threaded onto the guide screw, and the bottom side of the threaded sleeve is in contact with the fixed plate.

[0019] By adopting the above technical solution, the initial height of the fixed plate can be adjusted, thereby allowing the conveyor belt to adjust the conveying distance each time as needed.

[0020] A further feature of this invention is that the compression spring is movably sleeved on the outside of the guide screw.

[0021] By adopting the above technical solution, the stability of the compression spring can be guaranteed.

[0022] A further feature of this invention is that an adjusting wheel is fixedly fitted onto the threaded sleeve.

[0023] By adopting the above technical solution, it is convenient for operators to manually rotate the screw sleeve.

[0024] A further feature of this invention is that guide strips are fixedly installed on the sides of two adjacent partitions that are close to each other, and the sides of the two guide strips that are close to each other are set at a right angle.

[0025] By adopting the above technical solution, it can be ensured that the waste material falling through the discharge port lands stably on the conveyor belt.

[0026] A further feature of this invention is that multiple return springs are fixedly installed on the side of the top plate and the lifting plate that are close to each other, and the multiple return springs are respectively movably sleeved on the outside of the corresponding guide column.

[0027] By adopting the above technical solution, the lifting plate can be quickly reset by the rebound force of the return spring after the downward pressing is completed, thereby improving the efficiency of the pressing work.

[0028] The beneficial effects of this utility model are:

[0029] With a high degree of automation, it can directly drive the conveyor belt using the power generated by the lifting plate during operation, achieving a unidirectional intermittent discharge effect. There is no need for a separate drive for the conveyor belt used for discharge; it can be achieved through simple mechanical transmission. At the same time, the distance of each intermittent transmission of the conveyor belt can be adjusted according to actual needs, increasing the flexibility and applicability of the equipment. This effectively reduces the tedious process of manual waste removal, not only reducing the labor intensity of operators but also preventing waste accumulation from affecting the stamping work, thus ensuring the smooth progress of the stamping work and improving the efficiency of the stamping operation. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a three-dimensional structural diagram of an automatic waste discharge mechanism for a stamping machine tool proposed in this utility model;

[0032] Figure 2 for Figure 1 A structural diagram from a first-person perspective;

[0033] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of the rotating pin, ratchet, pawl, push spring, and hollow gear proposed in this utility model.

[0035] In the diagram, 1. Workbench; 11. Partition; 12. Base; 13. Top plate; 14. Hydraulic cylinder; 15. Guide column; 151. Return spring; 16. Lifting plate; 17. Punch head; 18. Punch die; 2. Conveyor belt; 201. Guide bar; 21. Rotating shaft; 22. Conveyor roller; 3. Hollow gear; 301. Fixing bar; 31. Ratchet; 311. Rotating pin; 312. Pawl; 313. Push spring; 32. Toothed plate; 321. Fixing plate; 33. Guide screw; 331. Screw sleeve; 332. Adjusting wheel; 34. Compression spring; 35. Pulley; 351. Belt. Detailed Implementation

[0036] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0037] Reference Figure 1-4 An automatic waste discharge mechanism for a stamping machine includes a worktable 1, a base 12, a top plate 13, a hydraulic cylinder 14, a lifting plate 16, multiple guide columns 15, multiple stamping heads 17, and multiple stamping dies 18. Multiple partitions 11 arranged in parallel are fixedly installed on the side of the base 12 and the worktable 1 that are close to each other. Multiple guide columns 15 are fixedly installed on the side of the worktable 1 and the top plate 13 that are close to each other. The lifting plate 16 is slidably installed on the multiple guide columns 15. The hydraulic cylinder 14 is fixedly installed on the top plate 13, and the working end of the hydraulic cylinder 14 is fixedly installed on the top side of the lifting plate 16. Multiple stamping heads 17 and multiple stamping dies 18 are respectively fixedly installed on the bottom side of the lifting plate 16 and the top side of the worktable 1. The worktable 1 has multiple discharge ports for discharging materials and each is adapted to the corresponding stamping die 18.

[0038] Two rotating shafts 21 arranged in parallel to each other are rotatably mounted on multiple partitions 11. Multiple conveying rollers 22 are fixedly sleeved on each of the two rotating shafts 21. There are two conveying rollers 22 located between adjacent partitions 11. The two conveying rollers 22 located between two adjacent partitions 11 are connected to the same conveyor belt 2. When the rotating shafts 21 rotate, the conveyor belt 2 can be controlled to transport the waste material discharged through the discharge port, thereby achieving the effect of automatic waste discharge.

[0039] A toothed plate 32 is slidably mounted on the workbench 1. A fixed plate 321 is fixedly mounted on the top side of the toothed plate 32. A fixed strip 301 is fixedly mounted on the bottom side of the workbench 1. A hollow gear 3 is rotatably mounted on the fixed strip 301. A rotating pin 311 is rotatably mounted on the partition plate 11 near the fixed strip 301. The rotating pin 311 extends into the hollow gear 3 and a ratchet 31 is fixedly fitted thereon. A pawl 312 is hinged to the inner wall of the hollow gear 3. The same push spring 313 is fixedly mounted on the pawl 312 and the inner wall of the hollow gear 3. The pawl 312 and the ratchet 31 are compatible and can... The linear motion of the lifting plate 16 when it moves downward is converted into the effect of unidirectional intermittent rotation. Pulleys 35 are fixedly sleeved on the rotating pin 311 and one of the rotating shafts 21. The two pulleys 35 are connected to the same belt 351, which can transmit the unidirectional intermittent rotation of the rotating pin 311 to the rotating shaft 21. Thus, the lifting plate 16 can provide driving force for the conveyor belt 2 as it moves up and down during operation. In order to control the toothed plate 32 to return to its original position when the lifting plate 16 moves upward, the same compression spring 34 is fixedly installed on the side of the fixed plate 321 that is close to the worktable 1.

[0040] A guide screw 33 is fixedly installed on the workbench 1 and slidably connected to the lifting plate 16. A fixed plate 321 is movably sleeved on the outside of the guide screw 33. A threaded sleeve 331 is threaded on the guide screw 33. The bottom side of the threaded sleeve 331 contacts the fixed plate 321, which can adjust the initial height of the fixed plate 321, thereby adjusting the distance of each conveying of the conveyor belt 2 as needed.

[0041] Specifically, in order to ensure that the compression spring 34 maintains stable operation, the compression spring 34 is movably sleeved on the outside of the guide screw 33.

[0042] Specifically, in order to facilitate the operator to manually rotate the screw sleeve 331, an adjusting wheel 332 is fixedly fitted on the screw sleeve 331.

[0043] Specifically, in order to ensure that the waste material falling through the discharge port lands stably on the conveyor belt 2, guide strips 201 are fixedly installed on the side of each of the two adjacent partitions 11 that are close to each other, and the side of each guide strip 201 that is close to each other is set at an inverted right angle.

[0044] Specifically, in order to quickly reset the lifting plate 16 after it is pressed downwards using the rebound force of the return spring 151, thereby improving the efficiency of the pressing work, multiple return springs 151 are fixedly installed on the side of the top plate 13 and the lifting plate 16 that are close to each other. The multiple return springs 151 are respectively movably sleeved on the outside of the corresponding guide post 15.

[0045] The circuits, electronic components, and module mechanisms involved all employ existing technologies, which can be fully implemented by those skilled in the art, and need no further explanation. The content protected by this application does not involve any improvement to the software, circuits, or methods.

[0046] Working principle: First, the power is turned on. When the hydraulic cylinder 14 is working, its working end pushes the lifting plate 16 to slide down along the guide column 15. At this time, multiple stamping heads 17 on the bottom side of the lifting plate 16 will stamp the material in the corresponding stamping die 18 on the top side of the worktable 1. The stamped waste will be discharged from the discharge port and fall onto the conveyor belt 2. As the lifting plate 16 slides down, the toothed plate 32 will also slide down along the worktable 1. The sliding of the toothed plate 32 will drive the hollow gear 3 to rotate. Due to the matching relationship between the pawl 312 and the ratchet 31, the rotation of the hollow gear 3 will drive the ratchet 31 to rotate intermittently in one direction. The rotation of the ratchet 31 will drive the corresponding pulley 35 to rotate through the rotating pin 311. Through the transmission action of the belt 351, another pulley 35 will also rotate, thereby driving the rotating shaft 21 to rotate. This can control the conveying roller 22 to drive the conveyor belt 2 to perform conveying operations, thereby achieving the effect of automatic waste discharge.

[0047] After the lifting plate 16 is stamped, the working end of the hydraulic cylinder 14 will perform a reset operation. At this time, due to the action of the reset spring 151, the lifting plate 16 will slide upward quickly along the guide post 15 to reset. At the same time, under the action of the compression spring 34, the toothed plate 32 will also slide upward along the worktable 1 to reset, in preparation for the next stamping operation.

[0048] Furthermore, by adjusting the position of the screw sleeve 331 on the guide screw 33, the initial height of the fixed plate 321 can be adjusted, thereby adjusting the distance of each conveying of the conveyor belt 2 as needed, increasing the flexibility and applicability of the equipment.

[0049] The above provides a detailed description of an automatic waste removal mechanism for a stamping machine tool provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. An automatic waste discharge mechanism for a stamping machine, characterized in that, It includes a worktable (1), a base (12), a top plate (13), a hydraulic cylinder (14), a lifting plate (16), multiple guide columns (15), multiple stamping heads (17), multiple stamping dies (18), a discharge assembly, a transmission assembly, and a guide adjustment assembly; Multiple partitions (11) arranged in parallel are fixedly installed on the side of the base (12) and the worktable (1) close to each other. Multiple guide columns (15) are fixedly installed on the side of the worktable (1) and the top plate (13) close to each other. The lifting plate (16) is slidably installed on the multiple guide columns (15). The hydraulic cylinder (14) is fixedly installed on the top plate (13), and the working end of the hydraulic cylinder (14) is fixedly installed on the top side of the lifting plate (16). Multiple stamping heads (17) and multiple stamping dies (18) are fixedly installed on the bottom side of the lifting plate (16) and the top side of the worktable (1), respectively. Multiple discharge ports for material discharge and each adapted to the corresponding stamping die (18) are opened on the worktable (1). The discharge assembly is disposed between the base (12) and the worktable (1) and connected to multiple partitions (11). The transmission assembly is disposed on the worktable (1) and connected to the discharge assembly and one of the partitions (11). The guide adjustment assembly is disposed on the worktable (1) and connected to the lifting plate (16) and the transmission assembly.

2. The automatic waste discharge mechanism for a stamping machine tool according to claim 1, characterized in that: The discharge assembly includes two rotating shafts (21), multiple conveying rollers (22) and multiple conveyor belts (2). Two rotating shafts (21) are rotatably mounted on multiple partitions (11) and are arranged in parallel with each other. Multiple conveying rollers (22) are fixedly sleeved on each of the two rotating shafts (21). There are two conveying rollers (22) located between adjacent partitions (11). The same conveyor belt (2) is connected to the two conveying rollers (22) located between two adjacent partitions (11).

3. The automatic waste discharge mechanism for a stamping machine tool according to claim 2, characterized in that: The transmission assembly includes a toothed plate (32), a fixing bar (301), a hollow gear (3), a rotating pin (311), a fixing plate (321), a ratchet (31), a pawl (312), and a push spring (313). The toothed plate (32) is slidably mounted on the worktable (1), and the fixing plate (321) is fixedly mounted on the top side of the toothed plate (32). The fixing bar (301) is fixedly mounted on the bottom side of the worktable (1), and the fixing bar (301) is rotatably mounted on the fixing bar (301). A hollow gear (3) is mounted on a partition (11) near the fixing bar (301), and a rotating pin (311) is rotatably mounted on it. The rotating pin (311) extends into the hollow gear (3) and is fixedly fitted with a ratchet (31). A pawl (312) is hinged to the inner wall of the hollow gear (3). The same push spring (313) is fixedly mounted on the pawl (312) and the inner wall of the hollow gear (3). The pawl (312) is compatible with the ratchet (31).

4. The automatic waste discharge mechanism for a stamping machine tool according to claim 3, characterized in that: The transmission assembly also includes a belt (351) and two pulleys (35). The pulleys (35) are fixedly sleeved on the rotating pin (311) and one of the rotating shafts (21), and the same belt (351) is connected to the two pulleys (35).

5. The automatic waste discharge mechanism for a stamping machine tool according to claim 4, characterized in that: The guide adjustment assembly includes a guide screw (33) and a threaded sleeve (331). The guide screw (33) is fixedly installed on the worktable (1) and slidably connected to the lifting plate (16). The fixed plate (321) is movably sleeved on the outside of the guide screw (33). The threaded sleeve (331) is threaded on the guide screw (33), and the bottom side of the threaded sleeve (331) is in contact with the fixed plate (321).

6. The automatic waste discharge mechanism for a stamping machine tool according to claim 5, characterized in that: The fixed plate (321) and the worktable (1) are fixedly installed with the same compression spring (34) on the side that is close to each other.

7. The automatic waste discharge mechanism for a stamping machine tool according to claim 6, characterized in that: The compression spring (34) is movably sleeved on the outside of the guide screw (33).

8. The automatic waste discharge mechanism for a stamping machine tool according to claim 7, characterized in that: An adjusting wheel (332) is fixedly sleeved on the threaded sleeve (331).

9. The automatic waste discharge mechanism for a stamping machine tool according to claim 8, characterized in that: Each of the two adjacent partitions (11) has a guide strip (201) fixedly installed on the side that is close to each other, and the two guide strips (201) are set at an inverted right angle on the side that is close to each other.

10. The automatic waste discharge mechanism for a stamping machine tool according to claim 9, characterized in that: Multiple return springs (151) are fixedly installed on the side of the top plate (13) and the lifting plate (16) that are close to each other. The multiple return springs (151) are respectively movably sleeved on the outside of the corresponding guide column (15).