A die-casting punching die point blowing structure

Abstract

This utility model discloses a blower structure for die-casting punching dies, including a lower die base, an upper die base, and an external blower. Lower clamping plates are fixedly installed on both sides of the lower die base. A central pad, a central pad plate, and a die core plate are fixedly installed at the center of the lower die base. An upper pad plate, an upper clamping plate, an upper template, and an inner ejector plate are fixedly installed at the bottom of the upper die base. A slot is opened in the upper template, and an inner ejector plate is installed within the slot. The inner ejector plate can move up and down along the slot. A punch is installed inside the upper clamping plate, passing through the inner ejector plate. A blower hole is located at the center of the punch. An air passage is correspondingly provided inside the upper pad plate, connecting to a blower supply pipe and the blower hole inside the punch. This utility model adds air passages inside the die, correspondingly opens blower holes on the die punch, and installs sealing rings at the joints of parts. The blower points are directly positioned to the corresponding die grooves and corners, working in conjunction with the external blower to clean die debris, precisely cleaning areas where debris is likely to remain.

Description

Technical Field

[0001] This utility model relates to the field of die-casting punching die cleaning technology, and in particular to a point blowing structure for die-casting punching dies. Background Technology

[0002] like Figure 1 As shown, the existing die-casting punching mold includes a lower mold base 1 and an upper mold base 2. Lower clamping plates 3 are fixedly installed on both sides of the lower mold base. A middle pad 4, a middle pad plate 5, and a mold core plate 6 are fixedly installed in the center of the lower mold base. An upper pad plate 7, an upper clamping plate 8, an upper template 9, and an inner ejector plate 10 are fixedly installed at the bottom of the upper mold base. A slot is opened in the upper template, and an inner ejector plate is set in the slot. The inner ejector plate can be lifted and moved along the slot. A punch is set in the upper clamping plate. The punch passes through the inner ejector plate. During processing, the upper mold base drives the upper clamping plate and the upper template to press down. The mold core plate presses against the inner ejector plate, so that the punch is exposed and the punch presses down to punch.

[0003] To clean residual waste from the die-casting and punching mold, an external air blowing device 11 is generally used to blow air onto the mold surface.

[0004] However, due to the complex shape of the molded product, the corners of the grooves are not easy to reach, resulting in the accumulation of debris that cannot be cleaned properly. This can cause the product to be damaged after punching, affecting its appearance, and in severe cases, even causing a batch of products to be damaged and scrapped. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model designs a die-casting punching die point blowing structure.

[0006] The present invention adopts the following technical solution:

[0007] An air-blowing structure for die-casting punching points includes a lower die base, an upper die base, and an external air-blowing device. Lower clamping plates are fixedly installed on both sides of the lower die base. A middle pad, a middle pad plate, and a die core plate are fixedly installed at the center of the lower die base. An upper pad plate, an upper clamping plate, an upper template, and an inner ejector plate are fixedly installed at the bottom of the upper die base. A slot is opened in the upper template, and an inner ejector plate is set in the slot. The inner ejector plate can be lifted and lowered along the slot. A punch is set in the upper clamping plate, and the punch passes through the inner ejector plate. An air-blowing hole is set in the center of the punch. An air passage is correspondingly set inside the upper pad plate, and the air passage is connected to an air-blowing supply pipe and the air passage is connected to the air-blowing hole in the punch.

[0008] Preferably, a sealing groove is provided inside the punch at the connection between the air blowing hole and the air passage, and a sealing ring is installed in the sealing groove.

[0009] Preferably, an air nozzle is installed on the outer side of the upper pad at the end of the air passage, and the air passage is connected to the air supply pipeline through the air nozzle.

[0010] Preferably, the diameter of the air blowing hole corresponds to the diameter of the air passage, and is 2-3 mm. This does not affect the strength of the mold punch or the upper backing plate.

[0011] Preferably, the upper mold base and the upper pad are provided with a sliding groove, and a slider is slidably connected in the sliding groove. The slider moves up and down along the sliding groove, and the bottom of the slider is fixedly connected to the inner release plate.

[0012] Preferably, a guide post is fixedly installed on the lower mold base, and a guide sleeve is installed on the upper mold base, with the guide sleeve moving along the guide post.

[0013] The beneficial effects of this utility model are as follows: This utility model adds an air passage inside the mold, opens corresponding air blowing holes on the mold punch, installs a sealing ring at the joint of the parts, and directly arranges the air blowing points to the corresponding mold grooves and corners for punching. Together with the external air blowing device, it cleans mold waste, accurately cleans the areas where waste is easy to remain, has a simple structure, is easy to process molds, improves mold production efficiency, reduces manual downtime for cleaning, and completely solves the problem of product damage at fixed positions. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of an existing die-casting punching die point blowing structure;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3 yes Figure 2 A magnified view of a portion of the image;

[0017] In the diagram: 1. Lower mold base, 2. Upper mold base, 3. Lower clamping plate, 4. Middle pad, 5. Middle pad, 6. Mold core plate, 7. Upper pad, 8. Upper clamping plate, 9. Upper template, 10. Inner release plate, 11. External air blowing device, 12. Punch, 13. Sealing ring, 14. Air passage, 15. Air nozzle. Detailed Implementation

[0018] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings:

[0019] Example: Figure 2 and Figure 3As shown, a die-casting punching die point blowing structure includes a lower die base 1, an upper die base 2, and an external blowing device 11. Lower clamping plates 3 are fixedly installed on both sides of the lower die base. A middle pad 4, a middle pad plate 5, and a die core plate 6 are fixedly installed in the center of the lower die base. An upper pad plate 7, an upper clamping plate 8, an upper template 9, and an inner ejector plate 10 are fixedly installed at the bottom of the upper die base. A slot is opened in the upper template, and an inner ejector plate is set in the slot. The inner ejector plate can be lifted and moved along the slot. A punch 12 is set in the upper clamping plate. The punch passes through the inner ejector plate. An air blowing hole is set in the center of the punch. An air passage 14 is correspondingly set inside the upper pad plate. The air passage is connected to the air blowing supply pipe and the air passage is connected to the air blowing hole in the punch.

[0020] A sealing groove is provided inside the punch at the connection between the air blowing hole and the air passage, and a sealing ring 13 is installed in the sealing groove. An air nozzle is installed on the outside of the upper pad at the end of the air passage, and the air passage is connected to the air blowing supply pipeline through the air nozzle 15.

[0021] The diameter of the air blowing hole corresponds to the diameter of the air passage, which is 2-3mm. This does not affect the strength of the mold punch or the upper backing plate. The upper mold base and upper backing plate have sliding grooves, within which a slider is slidably connected. The slider moves up and down along the groove, and the bottom of the slider is fixedly connected to an inner release plate. A guide post is fixedly installed on the lower mold base, and a guide sleeve is installed on the upper mold base, guiding the movement along the guide post.

[0022] This invention adds an air passage inside the mold, opens corresponding air holes on the mold punch, installs a sealing ring at the joint of the parts, and directly arranges the air blowing points to the corresponding mold grooves and corners for punching. Together with an external air blowing device, it cleans mold waste, accurately cleans areas where waste is likely to remain, has a simple structure, is easy to process, improves mold production efficiency, reduces manual downtime for cleaning, and completely solves the problem of product damage in fixed positions.

[0023] The embodiments described above are merely preferred solutions of this utility model and are not intended to limit this utility model in any way. Other variations and modifications are possible without departing from the technical solutions described in the claims.

Claims

1. A die casting punching die point blowing structure, comprising a lower die seat, an upper die seat, an external blowing device, the lower die seat is fixedly installed with lower clamping plates on both sides, the lower die seat is fixedly installed with a middle pad foot, a middle pad plate and a die core plate in the center, the bottom of the upper die seat is fixedly installed with an upper pad plate, an upper clamping plate, an upper die plate and an inner stripper plate, a notch is formed in the upper die plate, the inner stripper plate is arranged in the notch, the inner stripper plate can move up and down along the notch, a punching knife is arranged in the upper clamping plate, and the punching knife passes through the inner stripper plate, characterized in that, The punch has an air blowing hole at its center, and the upper pad has a corresponding air passage inside. The air passage is connected to the air supply pipe and the air blowing hole inside the punch.

2. The die-casting punching die point blowing structure according to claim 1, characterized in that, A sealing groove is provided inside the punch at the connection between the air blowing hole and the air passage, and a sealing ring is installed in the sealing groove.

3. The die-casting punching die point blowing structure according to claim 1, characterized in that, An air nozzle is installed on the outer side of the upper pad at the end of the air passage, and the air passage is connected to the air supply pipeline through the air nozzle.

4. The air blowing structure for die-casting punching die according to claim 1, characterized in that, The diameter of the air blowing hole corresponds to the diameter of the air passage, which is 2-3 mm.

5. The air blowing structure for die-casting punching die according to claim 1, characterized in that, The upper mold base and the upper pad are provided with a sliding groove, and a slider is slidably connected in the sliding groove. The slider moves up and down along the sliding groove, and the bottom of the slider is fixedly connected to the inner release plate.

6. The air-blowing structure for die-casting punching points according to claim 1, characterized in that, A guide post is fixedly installed on the lower mold base, and a guide sleeve is installed on the upper mold base. The guide sleeve moves along the guide post.

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