Metal sheet blanking die based on negative pressure waste suction

Abstract

The utility model relates to the technical field of blanking dies, in particular to a metal sheet blanking die based on negative pressure waste suction, which comprises a base, a foot margin is arranged on the outer surface of one end of the base, a top seat is fixedly mounted at the other end of a spring guide component, and an air suction box is fixedly mounted on the outer surface of one end of the base. According to the metal sheet blanking die capable of sucking the waste materials based on the negative pressure, when a metal sheet is blanked, the top base can be pushed to the base, so that the upper die plate and the lower die plate can be in butt joint with each other for blanking, meanwhile, the screw piston can descend, gas in the gas suction box is exhausted, and the metal sheet can be blanked through resetting of the top base and the screw piston and use of a one-way valve. According to the blanking die, the air suction box is arranged, so that air can be sucked into the air suction box, waste materials generated by blanking can be sucked into the collecting box, the waste materials cannot be retained in the upper die plate and the lower die plate due to adhesion during blanking, and the waste materials cannot influence blanking of metal material sheets.

Description

TECHNICAL FIELD

[0001] The utility model relates to a punching die technical field, concretely is a kind of metal sheet punching die based on negative pressure and take waste. BACKGROUND

[0002] With the progress of science and technology, many product parts cannot be separated from standardization in production, so punching die is needed to process parts, and is widely used in automobile manufacturing industry, electronic equipment manufacturing industry and hardware industry. In the automobile manufacturing industry, it is used for punching metal sheet such as automobile body covering and chassis parts. In the electronic equipment manufacturing industry, it is used for punching metal sheet such as electronic equipment shell and circuit board. In the hardware industry, it is used for producing door lock, hinge and handle. The metal sheet can be separated along a certain contour shape. Through the processing of stamping die, the production can be fast, the appearance quality of the produced metal sheet can be high after punching, and the production efficiency can be improved. However, in the process of processing and punching metal sheet, the waste punched out may be unable to be discharged outside the die due to adhesion of the die or other reasons, and the waste left in the die may affect the subsequent punching, resulting in problems of punching precision and quality. SUMMARY

[0003] The utility model aims at providing a kind of metal sheet punching die based on negative pressure and take waste, to solve the problem of punching precision decline caused by waste falling in die in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of metal sheet punching die based on negative pressure and take waste, including base, the outer surface of one end of the base is provided with footing, and the outer surface of base is fixedly installed with spring guide assembly, the other end of the spring guide assembly is fixedly installed with top seat, and top seat and base are parallel to each other, the outer surface of the base is fixedly installed with lower die plate, the outer surface of the top seat is fixedly installed with upper die plate, and upper die plate and lower die plate are parallel to each other, the outer surface of one end of the base is fixedly installed with suction box, and suction box and top seat are provided with sliding extraction mechanism, waste falling during punching of upper die plate and lower die plate can be sucked by sliding extraction mechanism, to reduce the influence of waste remaining between upper die plate and lower die plate on punching.

[0005] Preferably, the sliding extraction mechanism comprises: a screw piston, the screw piston is fixedly installed on one end of the top seat by a nut, the end of the screw piston away from the top seat is located inside the suction box, and the suction box and the screw piston are in sliding friction connection, a one-way valve is fixedly installed on one end of the outer surface of the suction box, and a discharge hole is formed in the outer surface of the base close to the lower die plate.

[0006] The technical scheme has the advantages that when the top base moves, the screw piston moves together, the other end of the screw piston can slide in the interior of the air suction box, the air in the interior of the air suction box can be exhausted when the upper die plate and the lower die plate approach each other to punch the metal sheet, and the exhaust air can enter the interior of the air suction box when the upper die plate and the lower die plate reset, so that the waste material punched can be immediately sucked away, the waste material cannot be stored in the interior of the lower die plate, and the metal sheet cannot be affected by the waste material when being punched.

[0007] Preferably, a sliding groove is fixedly installed on the outer surface of the end of the base away from the lower die plate, a collecting box is slidably inserted into the interior of the sliding groove, and a pressing and fitting mechanism is arranged between the collecting box and the base, so that the collecting box and the base are sealed by the pressing and fitting mechanism, air leakage is avoided when the waste material is sucked, and greater suction force can be generated.

[0008] The technical scheme has the advantages that the waste material sucked can be concentrated by the collecting box, the collected waste material can be conveniently regularly treated, and the working environment can be kept clean.

[0009] Preferably, the pressing and fitting mechanism comprises a sealing rubber pad fixedly installed on the outer surface of one end of the collecting box, the outer surface of the one end of the collecting box is engaged with the sliding groove, the outer surface of the sealing rubber pad is fitted with the outer surface of the base, the outer surfaces of the two ends of the sliding groove in contact with the collecting box are designed to be inclined, a screw is threadedly installed between the collecting box and the base, and the outer surface of the screw of the base is fitted with the outer surface of the collecting box.

[0010] The technical scheme has the advantages that when the collecting box and the sealing rubber pad are inserted into the interior of the sliding groove, the sealing rubber pad cannot be displaced due to the inclination of the two ends of the sliding groove, and after the collecting box is completely inserted into the interior of the sliding groove, the collecting box is fixed by the screw, so that the sealing rubber pad can be tightly fitted with the outer surface of the base, the sealing property of the collecting box is improved, and the negative pressure suction force when the waste material is sucked can be stronger.

[0011] Preferably, a partition plate is fixedly installed on one end in the interior of the collecting box, through holes are uniformly formed in the outer surface of the partition plate, a filter pad is inserted and arranged between the partition plate and the collecting box, the outer surfaces of the filter pad are respectively fitted with the outer surfaces of the partition plate and the collecting box, a groove is formed in the outer surface of one end of the filter pad, and the outer surface of the filter pad is fitted with the outer surface of the base.

[0012] The technical scheme can block the suction of waste material by the partition, so that the waste material cannot be sucked into the interior of the suction box, and the metal powder particles generated during the blanking can be filtered by the filter pad, so that the powder particles cannot enter the interior of the suction box, and the wear speed between the suction box and the screw piston is reduced.

[0013] Preferably, the suction port is arranged on one end side surface of the collecting box close to the partition, and an annular groove is arranged on the outer surface of the suction port.

[0014] The technical scheme can separate the suction port from the air pipe, and the annular groove on the outer surface of the suction port can make the air pipe and the suction port more stable, and the collecting box can be completely taken out from the base, so that the collecting box can be taken to the waste recycling place for pouring.

[0015] Preferably, the elastic extrusion mechanism comprises a spring pipe clamp, which is clamped and installed on one end of the outer surface of the suction port.

[0016] The technical scheme can separate the suction port from the air pipe, and the annular groove on the outer surface of the suction port can make the air pipe and the suction port more stable, and the collecting box can be completely taken out from the base, so that the collecting box can be taken to the waste recycling place for pouring.

[0017] Compared with the prior art, the metal sheet blanking die based on negative pressure suction of waste material has the beneficial effects that:

[0018] 1. When blanking the metal sheet, the top seat will be pushed to the base, so that the upper die plate and the lower die plate can be mutually butted and blanked, and the screw piston will be lowered and the gas in the suction box will be discharged, and through the reset of the top seat and the screw piston and the use of the one-way valve, the gas can be extracted into the interior of the suction box, so that the waste material generated during blanking can be sucked into the interior of the collecting box, so that the waste material will not be left in the interior of the upper die plate and the lower die plate due to the adhesion during blanking, and the waste material will not affect the blanking of the metal sheet.

[0019] 2. By the inclined design of the chute, when the collecting box is inserted into the interior of the chute, the sealing rubber pad cannot be separated from the collecting box due to movement, and when the collecting box is completely inserted into the interior of the chute, the collecting box can be fixed on the outer surface of the base by screwing, so that the sealing rubber pad can fill the gap between the collecting box and the base, so that gas cannot leak when waste is sucked by negative pressure, so that the base can maintain a larger suction force, so that the effect of sucking waste can be better;

[0020] 3. When the waste is separated from the lower die plate by negative pressure suction, the waste will pass through the discharging hole into the interior of the discharging hole, at this time the metal particle waste generated by the punching will enter the interior of the collecting box together with the air, at this time the partition plate will shield the waste, and the filter pad inserted in the interior of the collecting box will filter the metal particles, so that foreign matter can only remain in the collecting box, reducing the abrasion caused by the waste and the metal particles being sucked into the air suction box, prolonging the service life of the air suction box and the screw piston, and facilitating the collection of the punched waste, facilitating the centralized treatment of the waste while keeping the working environment clean. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic view of the base and the top seat of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic view of the air suction box and the one-way valve of the utility model;

[0023] Figure 3 It is an exploded three-dimensional structural schematic view of the top seat and the upper die plate of the utility model;

[0024] Figure 4 It is a sectional three-dimensional structural schematic view of the screw piston and the one-way valve of the utility model;

[0025] Figure 5 It is a sectional three-dimensional structural schematic view of the discharging hole and the collecting box of the utility model;

[0026] Figure 6 It is a sectional three-dimensional structural schematic view of the chute and the collecting box of the utility model.

[0027] In the drawing: 1, base; 2, top seat; 3, spring guide assembly; 4, discharging hole; 5, upper die plate; 6, lower die plate; 7, chute; 8, collecting box; 9, sealing rubber pad; 10, partition plate; 11, filter pad; 12, air suction port; 13, spring pipe clamp; 14, air suction box; 15, screw piston; 16, one-way valve; 17, air pipe. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-6 The utility model provides a technical scheme: a kind of metal sheet blanking die based on negative pressure suction waste, including base 1, the outer surface of one end of base 1 is provided with footing, and the outer surface of base 1 is fixedly installed with spring guide assembly 3, another end of spring guide assembly 3 is fixedly installed with top seat 2, and top seat 2 and base 1 are mutually parallel, the outer surface of base 1 is fixedly installed with lower die plate 6, the outer surface of top seat 2 is fixedly installed with upper die plate 5, and upper die plate 5 and lower die plate 6 are mutually parallel, the outer surface of one end of base 1 is fixedly installed with suction box 14, and sliding extraction mechanism is arranged between suction box 14 and top seat 2, waste that upper die plate 5 and lower die plate 6 blanking drop can be sucked by sliding extraction mechanism, reduce the influence caused by waste remaining between upper die plate 5 and lower die plate 6 to blanking.

[0030] By the setting of spring guide assembly 3, base 1 and top seat 2 can be vertically moved up and down, improve the accuracy when upper die plate 5 and lower die plate 6 move and combine to blank metal sheet, and let waste after blanking can be discharged through discharging hole 4, and upper die plate 5 and lower die plate 6 can be conveniently removed from base 1 and top seat 2 for replacement and maintenance.

[0031] Sliding extraction mechanism includes: screw rod piston 15, screw rod piston 15 is fixedly installed in one end side surface of top seat 2 by nut, one end of screw rod piston 15 away from top seat 2 is located in the inside of suction box 14, and suction box 14 and screw rod piston 15 are sliding friction connection, one end outer surface of suction box 14 is fixedly installed with one-way valve 16, the outer surface of base 1 close to lower die plate 6 is provided with discharging hole 4.

[0032] With metal sheet entering between upper die plate 5 and lower die plate 6, top seat 2 is pushed to move down, at this time, with the movement of top seat 2, screw rod piston 15 will move together, so that screw rod piston 15 can discharge air in suction box 14 to outside, and after metal sheet blanking and top seat 2 and screw rod piston 15 reset, by the movement of screw rod piston 15 in suction box 14 and the cooperation of one-way valve 16, the gas in collecting box 8 can be extracted, with the extraction of gas, the waste remaining in lower die plate 6 can be sucked into collecting box 8, so that there is no waste remaining between upper die plate 5 and lower die plate 6, reduce the influence of next blanking due to remaining when blanking metal sheet.

[0033] The outer surface of the end of the base 1 away from the lower die plate 6 is fixedly provided with a sliding groove 7, and the inside of the sliding groove 7 is slidably inserted with a collection box 8, and the collection box 8 and the base 1 are provided with an extrusion fitting mechanism, and the collection box 8 and the base 1 are sealed by the extrusion fitting mechanism, so that air leakage is avoided during waste suction, and greater suction force can be generated.

[0034] The collection box 8 can collect and concentrate the waste generated during punching, and the sliding groove 7 can conveniently install and insert the collection box 8, so that the waste can be conveniently collected, and the working site can be kept clean and tidy.

[0035] The extrusion fitting mechanism comprises a sealing rubber pad 9 fixedly installed on one end of the outer surface of the collection box 8, and the outer surface of one end of the collection box 8 is clamped with the sliding groove 7, the outer surface of the sealing rubber pad 9 is fitted with the outer surface of the base 1, the outer surfaces of the two ends of the sliding groove 7 in contact with the collection box 8 are designed to be inclined, and the collection box 8 and the base 1 are threadedly installed with screws, and the outer surface of the screw of the base 1 is fitted with the outer surface of the collection box 8.

[0036] Through the inclined design of the two ends of the sliding groove 7, when the collection box 8 and the sealing rubber pad 9 are inserted into the inside of the sliding groove 7, the dislocation and separation of the sealing rubber pad 9 caused by touching the outer surface of the base 1 can be sealed, and after the collection box 8 is completely inserted into the inside of the sliding groove 7, the screw is screwed into the base 1, so that the collection box 8 can be fixed, and the outer surfaces of the base 1 and the collection box 8 can be tightly fitted with the sealing rubber pad 9, eliminating the gap between the collection box 8 and the base 1, so that air leakage is avoided during waste suction.

[0037] One end of the inside of the collection box 8 is fixedly installed with a partition plate 10, and the outer surface of the partition plate 10 is uniformly provided with a through hole, and the partition plate 10 and the collection box 8 are inserted with a filter pad 11, and the outer surface of the filter pad 11 is respectively fitted with the outer surfaces of the partition plate 10 and the collection box 8, and the outer surface of one end of the filter pad 11 is provided with a groove, and the outer surface of the filter pad 11 is fitted with the outer surface of the base 1.

[0038] The waste sucked into the collection box 8 can be blocked by the partition plate 10, and the gas can pass through the through hole on the outer surface of the partition plate 10, and the metal particles generated during punching can be separated by the filter pad 11 inserted in the collection box 8, so that the waste and the metal particles are completely isolated in the inside of the collection box 8, so that the metal particles and the waste cannot enter the inside of the air suction box 14, reducing the wear between the air suction box 14 and the screw piston 15, prolonging the sealing performance and service life between the screw piston 15 and the air suction box 14.

[0039] The suction port 12 is provided with an annular groove on the outer surface, and the elastic extrusion mechanism is arranged between the suction port 12 and the one-way valve 16, so that the collection box 8 can be conveniently connected and disassembled, and the collection box 8 can be taken out from the sliding groove 7 without being affected.

[0040] The design of the suction port 12 can expand the area used by air when passing through the filter pad 11, improve the use area of the filter pad 11 and prolong the use time, and the annular groove on the outer surface of the suction port 12 can make the suction port 12 and the air pipe 17 more stable and not easy to separate when being inserted.

[0041] The elastic extrusion mechanism comprises a spring pipe clamp 13, the spring pipe clamp 13 is clamped and installed on one end of the outer surface of the suction port 12, the outer surface of the suction port 12 is inserted and arranged with the air pipe 17, one end of the air pipe 17 is clamped with the annular groove on the outer surface of the suction port 12, the outer surface of the air pipe 17 is combined with the outer surface of the spring pipe clamp 13, the other end of the air pipe 17 is connected with the one-way valve 16, and one end of the suction port 12 does not exceed the ground foot of the outer surface of the base 1.

[0042] The use of the air pipe 17 makes the collection box 8 more flexible when moving, and the clamping of the spring pipe clamp 13 can make the air pipe 17 and the annular groove of the suction port 12 be tightly held by the spring pipe clamp 13, so that the air pipe 17 and the suction port 12 can be more stable, and the risk of separation of the suction port 12 and the air pipe 17 is reduced.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A metal sheet punching die based on negative pressure suction of waste material, comprising a base (1), wherein a foot is provided on the outer surface of one end of the base (1), and a spring guide assembly (3) is fixedly installed on the outer surface of the base (1), and a top seat (2) is fixedly installed on the other end of the spring guide assembly (3), and the top seat (2) is parallel to the base (1), a lower template (6) is fixedly installed on the outer surface of the base (1), and an upper template (5) is fixedly installed on the outer surface of the top seat (2), and the upper template (5) is parallel to the lower template (6), characterized in that: One end outer surface of the base (1) is fixedly installed with an air suction box (14), and a sliding extraction mechanism is arranged between the air suction box (14) and the top seat (2), so that the waste falling during punching of the upper die plate (5) and the lower die plate (6) can be sucked, and the influence of the waste remaining between the upper die plate (5) and the lower die plate (6) on the punching is reduced.

2. The metal strip blanking die based on negative pressure suction waste material according to claim 1, characterized in that: The sliding extraction mechanism comprises a screw piston (15) fixedly installed on one end side surface of the top seat (2) by a nut, one end of the screw piston (15) away from the top seat (2) is located in the interior of the air suction box (14), the air suction box (14) and the screw piston (15) are in sliding friction connection, one end outer surface of the air suction box (14) is fixedly installed with a one-way valve (16), and the outer surface of the air suction box (14) is fixedly installed with a one-way valve (16).

3. The metal blanking die based on negative pressure suction waste material according to claim 1, characterized in that: One end outer surface of the base (1) is fixedly installed with an air suction box (14), and a sliding extraction mechanism is arranged between the air suction box (14) and the top seat (2), so that the waste falling during punching of the upper die plate (5) and the lower die plate (6) can be sucked, and the influence of the waste remaining between the upper die plate (5) and the lower die plate (6) on the punching is reduced.

4. The metal blanking die based on negative pressure suction waste material according to claim 3, characterized in that: The extrusion fitting mechanism comprises a sealing rubber pad (9) fixedly installed on one end outer surface of the collecting box (8), one end outer surface of the collecting box (8) is clamped with the sliding groove (7), the outer surface of the sealing rubber pad (9) is fitted with the outer surface of the base (1), the outer surfaces of the two ends of the sliding groove (7) and the collecting box (8) are designed to be inclined, screws are threadedly installed between the collecting box (8) and the base (1), and the outer surface of the screw of the base (1) is fitted with the outer surface of the collecting box (8).

5. The metal strip blanking die based on negative pressure suction waste material according to claim 3, characterized in that: One end of the collecting box (8) is fixedly installed with a partition plate (10), and through holes are uniformly formed in the outer surface of the partition plate (10), a filter pad (11) is inserted between the partition plate (10) and the collecting box (8), the outer surfaces of the filter pad (11) are respectively fitted with the outer surfaces of the partition plate (10) and the collecting box (8), a groove is formed in one end outer surface of the filter pad (11), and the outer surface of the filter pad (11) is fitted with the outer surface of the base (1).

6. The metal blanking die based on negative pressure suction waste material according to claim 3, characterized in that: One end side surface of the collecting box (8) is provided with an air suction port (12), and an annular groove is formed in the outer surface of the air suction port (12), an elastic extrusion mechanism is arranged between the air suction port (12) and the one-way valve (16), the elastic extrusion mechanism is convenient to connect and disassemble, and the collecting box (8) can be taken out from the sliding groove (7) without being affected.

7. A metal blanking die based on negative pressure suction waste material according to claim 6, characterized in that: The elastic pressing mechanism comprises a spring pipe hoop (13) which is clamped and installed on the outer surface of one end of the air suction port (12), and the outer surface of the air suction port (12) is provided with a wind pipe (17) in a plug-in mode, one end of the wind pipe (17) is clamped with the annular groove of the outer surface of the air suction port (12), the outer surface of the wind pipe (17) is matched with the outer surface of the spring pipe hoop (13), the other end of the wind pipe (17) is connected with a one-way valve (16), and the one end of the air suction port (12) does not exceed the ground pin of the outer surface of the base (1).

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