CN216655984U

CN216655984U - One-way blanking punching die for hollow metal plate

Info

Publication number: CN216655984U
Application number: CN202123410466.3U
Authority: CN
Inventors: 吴居鸿
Original assignee: Kunshan Judowang Electronic Technology Co ltd
Current assignee: Kunshan Judowang Electronic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a one-way blanking die for hollow metal plates, which comprises a top plate, a stamping template, an upper template, a lower template, a movable plate and a bottom plate which are arranged from top to bottom, wherein a stamping groove is formed in the middle of the upper surface of the lower template, a hollow channel is formed in the middle of the stamping groove, the bottom end of the hollow channel is communicated with a cavity, and the cavity is arranged right below the stamping groove and penetrates through the bottom plate, the movable plate and the lower template; ejector rods vertically fixed in the movable plate are arranged on two sides of the hollow channel; a channel communicated with an external air suction pump is formed in the ejector rod; in the utility model, after the upper template punches the product during processing, the residual waste can be directly discharged from the hollow channel, thus being safe and fast; open the passageway that is connected with the aspiration pump intercommunication in the ejector pin, can adsorb panel on the ejector pin surface when the ejector pin is ejecting with panel from the ram groove, because the joint is too closely caused when avoiding panel to break away from the ram groove to launch and go out, influences the condition of operating personnel safety.

Description

One-way blanking punching die for hollow metal plate

Technical Field

The utility model relates to the field of stamping dies, in particular to a one-way blanking and punching die for a hollow metal plate.

Background

The stamping die is a special process equipment for processing metal or nonmetal materials into parts or semi-finished products in the stamping process, and is called as the stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. In the existing metal plate processing, the die can be divided into various dies such as punching, riveting, bending and the like according to process properties, wherein a punching die is one of the dies commonly used in the metal plate processing and can be divided into a single-pass die and a continuous die, and the continuous punching die can continuously punch a plurality of products on a plate which moves axially; the one-way punching die is a die which only completes one punching process in one stroke of a press machine; since a single-pass die-cutting die performs only one die-cutting operation at a time, the product and scrap need to be removed from the die.

The existing punching die usually adopts an ejector pin or other modes to take out a product from the die, but when the product is tightly clamped in the die, the ejector pin ejects the product or other modes to easily eject the plate, so that operators are injured; meanwhile, the punched waste materials need to be manually taken out, and safety accidents are easy to happen. Therefore, there is a need for a single-pass die cutting tool that can safely remove the product and scrap from the tool.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a single-pass blanking and punching die for hollow metal plates, which has the advantage that products and waste materials can be safely taken out of the die.

The technical purpose of the utility model is realized by the following technical scheme: a single-pass blanking punching die for hollow metal plates comprises a top plate and a bottom plate positioned right below the top plate; the bottom plate is provided with a moving plate and a lower template, and the moving plate is positioned below the lower template; the bottom end of the top plate is provided with a stamping template and an upper template, the stamping template is movably connected to the bottom end of the lower template, and the upper template is fixed to the bottom end of the stamping template; a punching groove is formed in the middle of the upper surface of the lower template, a hollow channel is formed in the middle of the punching groove, the bottom end of the hollow channel is communicated with a cavity, and the cavity is arranged right below the punching groove and penetrates through the bottom plate, the moving plate and the lower template; vertical ejector rods are arranged on two sides of the hollow channel, one end of each ejector rod is fixed in the movable plate, and the other end of each ejector rod movably penetrates through the surface of the corresponding stamping groove; and a channel is formed in the ejector rod, one end of the channel is communicated with the upper part of the stamping groove, and the other end of the channel is communicated with an external air suction pump.

Through the technical scheme, after the upper template punches a product during processing, the residual waste can be directly discharged from the hollow channel without being manually taken out by an operator, so that the processing method is safe and quick; the ejector rod of the device is internally provided with a channel communicated and connected with the air pump, so that the function of the vacuum pump can be realized, the plate can be adsorbed on the surface of the ejector rod when the ejector rod ejects the plate out of the stamping groove, and the condition that the safety of an operator is influenced because the plate is ejected out due to too tight clamping when being separated from the stamping groove is avoided.

The utility model is further set that an air passage is arranged on the side wall of the moving plate, one end of the air passage is communicated with the outside of the moving plate, the other end of the air passage is positioned under the ejector rod and is communicated with the channel, and the channel is connected with an air pump through the air passage.

The utility model is further arranged in that a ring groove is arranged around the channel on the upper surface of the ejector rod, a rubber ring is arranged in the ring groove, and the upper surface of the rubber ring is higher than the upper surface of the ejector rod.

Through above-mentioned technical scheme, the product panel earlier with the soft rubber circle contact of texture, can improve inseparable degree, improve the adsorption effect of ejector pin.

The utility model is further provided that 4 upright posts are fixed on the bottom plate, and the 4 upright posts are arranged in a rectangular shape; the lower template is fixedly arranged on the upright post in a penetrating mode, and the moving plate is movably sleeved on the upright post between the lower template and the bottom plate.

Through the technical scheme, the movable plate can move up and down on the stand column, the ejector rod is driven to move in the lower template, and the punched plate is discharged.

The utility model is further provided that the upper template is provided with a reserved hole embedded with the upright post, and the upright post is inserted into the reserved hole when the die is closed.

The utility model is further arranged in such a way that a convex surface embedded with the stamping groove extends downwards from the lower surface of the upper template, a stamping head embedded with the hollow channel is movably arranged in the convex surface in a penetrating way, and the stamping head penetrates through the top plate, the stamping template and the upper template.

The shapes of the convex surface and the stamping groove in the device are the shapes of the stamped plates, and the stamping head and the hollow channel are the shapes of the hole grooves to be formed in the middle of the plates, so that the device can meet different stamping requirements.

The utility model is further provided with a plurality of limiting columns arranged around the stamping groove, the limiting columns are distributed in an L shape, one end of each limiting column is arranged in the lower template, and the other end of each limiting column is arranged outside the lower template.

The limiting column is used for limiting raw materials before machining, movement during machining is prevented, and punching quality is improved.

The utility model is further provided that a compression spring is fixed between the bottom end of the limiting column and the lower template.

During processing, the limiting columns are compressed into the lower template by the upper template, processing cannot be influenced, the limiting columns are reset by the compression springs again after punching, and the punching is simple and rapid.

The utility model is further provided that two ends of the hollow channel are provided with auxiliary thimbles, one end of each auxiliary thimble is fixed on the movable plate, and the other end of each auxiliary thimble is arranged outside the stamping groove.

In conclusion, the utility model has the following beneficial effects: when the upper template is used for stamping a product during processing, the residual waste can be directly discharged from the hollow channel without being manually taken out by an operator, so that the method is safe and quick; the ejector rod of the device is internally provided with a channel communicated and connected with the air pump, so that the function of the vacuum pump can be realized, the plate can be adsorbed on the surface of the ejector rod when the ejector rod ejects the plate out of the stamping groove, and the condition that the safety of an operator is influenced because the plate is ejected out due to too tight clamping when the plate is separated from the stamping groove is avoided; the whole structure is compact, the operation is simple, and the operation is safe and quick.

Drawings

FIG. 1 is a schematic structural view of a single-pass blanking die for punching a hollow metal plate according to the present embodiment;

FIG. 2 is a schematic view of the upper surface structure of the lower template of the present embodiment;

fig. 3 is a schematic view of the bottom surface structure of the upper mold plate of the present embodiment;

FIG. 4 is a sectional view of the joint between the top pillar and the moving plate according to the present embodiment;

fig. 5 is a schematic structural diagram of the product of the present embodiment.

Reference numerals: 1. a top plate; 2. a base plate; 3. moving the plate; 4. a lower template; 5. stamping the template; 6. mounting a template; 7. a cavity; 8. punching a groove; 9. a hollow channel; 10. a top rod; 11. a channel; 12. a rubber ring; 13. an airway; 14. a column; 15. reserving a hole; 16. a convex surface; 17. punching a head; 18. a limiting column; 19. an auxiliary thimble; 20. a small cutter; 21. a through groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-3, a single-pass blanking die for hollow metal plates includes a top plate 1, a stamping die plate 5, an upper die plate 6, a lower die plate 4, a moving plate 3 and a bottom plate 2 from top to bottom in a processing state;

the stamping template 5 is movably connected to the bottom end of the lower template 4, and the upper template 6 is fixed to the bottom end of the stamping template 5; a convex surface 16 embedded with the stamping groove 8 extends downwards from the lower surface of the upper template 6, a stamping head 17 embedded with the hollow channel 9 is movably arranged in the convex surface 16 in a penetrating way, and the stamping head 17 penetrates through the top plate 1, the stamping template 5 and the upper template 6. The shapes of the convex surface 16 and the punching groove 8 in this embodiment are the shapes of the punched plate, in this embodiment, a plurality of small cutters 20 are further arranged on two sides of the punching head 17, a hollow channel 9 is formed in the corresponding position of the punching groove 8 and the punching head 17, a through groove 21 communicated with the cavity 7 is also formed in the positions of the small cutters 20 and the punching groove 8, the punched product is as shown in fig. 5, and the punched waste material falls into the cavity 7 from the through groove 21 and the hollow channel 9 to be discharged, so that the punching die can adapt to different punching requirements.

As shown in fig. 2 and 4, the stamping groove 8 is arranged in the middle of the upper surface of the lower template 4, the hollow channel 9 is arranged in the middle of the stamping groove 8, the bottom end of the hollow channel 9 is communicated with the cavity 7, and the cavity 7 is arranged right below the stamping groove 8 and penetrates through the bottom plate 2, the moving plate 3 and the lower template 4; vertical mandrils 10 are arranged at two sides of the hollow channel 9, one end of each mandrill 10 is fixed in the movable plate 3, and the other end of each mandrill is movably arranged on the surface of the stamping groove 8 in a penetrating way; 4 upright posts 14 are fixed on the bottom plate 2, and the 4 upright posts 14 are arranged in a rectangular shape; the lower template 4 is fixedly arranged on the upright post 14 in a penetrating way, and the moving plate 3 is movably sleeved on the upright post 14 between the lower template 4 and the bottom plate 2, so that the moving plate 3 can move up and down on the upright post 14 to drive the ejector rod 10 to move in the lower template 4, and the punched plate is discharged. Meanwhile, in order to realize normal operation of mold closing, a preformed hole 15 embedded with the upright post 14 is formed in the upper mold plate 6, and the upright post 14 is inserted into the preformed hole 15 during mold closing.

As shown in fig. 4, a channel 11 is formed in the top rod 10, one end of the channel 11 is communicated with the upper part of the stamping groove 8, and the other end is communicated with an external air pump; open the passageway 11 that is connected with the aspiration pump intercommunication in the ejector pin 10 of this device, can realize the function of vacuum pump, can adsorb panel on ejector pin 10 surface when ejector pin 10 is ejecting with panel from stamping groove 8, because the joint too closely causes when avoiding panel to break away from stamping groove 8 to launch and go out, influences the condition of operating personnel safety.

Wherein, the side wall of the moving plate 3 is provided with an air passage 13, one end of the air passage 13 is communicated with the outside of the moving plate 3, the other end is positioned under the mandril 10 and is communicated with the channel 11, and the channel 11 is connected with an air pump through the air passage 13; the annular groove is arranged around the channel 11 on the upper surface of the ejector rod 10, the rubber ring 12 is arranged in the annular groove, and the upper surface of the rubber ring 12 is higher than the upper surface of the ejector rod 10, so that the product plate is firstly contacted with the rubber ring 12 with soft texture, the tightness can be improved, and the adsorption effect of the ejector rod 10 is improved.

Wherein, be equipped with many spacing posts 18 around the ram groove 8, many spacing posts 18 are L type and distribute, and in lower bolster 4 was located to 18 one end of spacing post, the lower bolster 4 outside was located to the other end, and spacing post 18 is used for moving when preventing to add a limiting displacement to former material before processing, improves die-cut quality.

A compression spring is fixed between the bottom end of the limiting column 18 and the lower template 4, the limiting column 18 is compressed into the lower template 4 by the upper template 6 during processing, processing cannot be influenced, the limiting column 18 is reset by the compression spring again after punching, and the punching is simple and rapid; two ends of the hollow channel 9 are provided with auxiliary thimbles 19, one end of each auxiliary thimble 19 is fixed on the movable plate 3, and the other end is arranged outside the stamping groove 8.

The using process of the device is briefly described as follows: the method comprises the following steps of placing a plate to be processed right above a stamping groove 8 through a limiting column 18, stamping a product downwards by an upper template 6, pressing the plate to be processed into the stamping groove 8, then punching the plate of the stamping groove 8 by a punching head 17, directly discharging the remaining waste from a hollow channel 9, and taking out the waste manually by an operator, so that the method is safe and rapid; the ejection post and the auxiliary ejector pin 19 eject the product after the punching is finished, the inside of the ejection post is vacuumized in the ejection process, the plate can be adsorbed on the surface of the ejection rod 10 when the ejection rod 10 ejects the plate from the punching groove 8, and the situation that the safety of an operator is affected due to ejection caused by too tight clamping when the plate is separated from the punching groove 8 is avoided.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. A single-pass blanking punching die for hollow metal plates comprises a top plate (1) and a bottom plate (2) positioned right below the top plate (1); the bottom plate (2) is provided with a moving plate (3) and a lower template (4), and the moving plate (3) is positioned below the lower template (4); the bottom end of the top plate (1) is provided with a stamping template (5) and an upper template (6), the stamping template (5) is movably connected to the bottom end of the lower template (4), and the upper template (6) is fixed to the bottom end of the stamping template (5); the stamping die is characterized in that a stamping groove (8) is formed in the middle of the upper surface of the lower template (4), a hollow channel (9) is formed in the middle of the stamping groove (8), the bottom end of the hollow channel (9) is communicated with a cavity (7), and the cavity (7) is arranged right below the stamping groove (8) and penetrates through the bottom plate (2), the moving plate (3) and the lower template (4); vertical ejector rods (10) are arranged on two sides of the hollow channel (9), one end of each ejector rod (10) is fixed in the movable plate (3), and the other end of each ejector rod (10) movably penetrates through the surface of the stamping groove (8); a channel (11) is formed in the ejector rod (10), one end of the channel (11) is communicated with the upper part of the stamping groove (8), and the other end of the channel is communicated with an external air suction pump.

2. The single-pass blanking die-cutting die for the hollow metal plates as claimed in claim 1, wherein an air passage (13) is formed in the side wall of the moving plate (3), one end of the air passage (13) is communicated with the outside of the moving plate (3), the other end of the air passage (13) is positioned right below the ejector rod (10) and is communicated with the channel (11), and the channel (11) is connected with a suction pump through the air passage (13).

3. The single-pass blanking die cutting die for the hollow metal sheet according to claim 1, wherein a ring groove is formed around the channel (11) on the upper surface of the ejector rod (10), a rubber ring (12) is arranged in the ring groove, and the upper surface of the rubber ring (12) is higher than the upper surface of the ejector rod (10).

4. The single-pass blanking die cutting die for the hollow metal sheet according to claim 1, wherein 4 upright posts (14) are fixed on the bottom plate (2), and the 4 upright posts (14) are arranged in a rectangular shape; the lower template (4) is fixedly arranged on the upright post (14) in a penetrating mode, and the moving plate (3) is movably sleeved on the upright post (14) between the lower template (4) and the bottom plate (2).

5. A single-pass blanking die-cutting die for hollow metal sheets according to claim 4, wherein the upper die plate (6) is provided with a prepared hole (15) for fitting the pillar (14), and the pillar (14) is inserted into the prepared hole (15) during die assembly.

6. The single-pass blanking die cutting die for the hollow metal sheet material as claimed in claim 1, wherein a convex surface (16) which is embedded with the stamping groove (8) extends downwards from the lower surface of the upper die plate (6), a stamping head (17) which is embedded with the hollow channel (9) is movably arranged in the convex surface (16) in a penetrating manner, and the stamping head (17) penetrates through the top plate (1), the stamping die plate (5) and the upper die plate (6).

7. The single-pass blanking and punching die for the hollow metal plates as claimed in claim 1, wherein a plurality of limiting columns (18) are arranged around the punching groove (8), the limiting columns (18) are distributed in an L shape, one end of each limiting column (18) is arranged in the lower template (4), and the other end of each limiting column (18) is arranged outside the lower template (4) upwards.

8. The single-pass blanking and punching die for the hollow metal sheet as claimed in claim 7, wherein a compression spring is fixed between the bottom end of the limiting column (18) and the lower template (4).

9. The single-pass blanking die cutting tool for the hollow metal sheets as claimed in claim 1, wherein auxiliary pins (19) are provided at two ends of the hollow channel (9), one end of each auxiliary pin (19) is fixed on the moving plate (3), and the other end of each auxiliary pin is provided outside the stamping groove (8).