CN216575099U

CN216575099U - Metal can cover forming die

Info

Publication number: CN216575099U
Application number: CN202123154581.9U
Authority: CN
Inventors: 钟欢乐
Original assignee: Zhoushan Jiaolong Machinery Co ltd
Current assignee: Zhoushan Jiaolong Machinery Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-24
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a metal can cover forming die, which solves the problem that burrs are left on the outer wall of a cap body after a metal cap is formed by a die at present. The method is characterized in that: the lower die core is provided with a lower die ring, a material pressing ring matched with the lower die ring is arranged between the upper cutting die and the upper die core, the material pressing ring is provided with a protruding portion, the protruding portion is located on the outer side of the lower die ring, and a groove matched with the protruding portion is formed between the lower die ring and the lower cutting die. The upper die base descends to enable the upper cutting die and the lower cutting die to be matched to shear the plate, the protruding portion presses the blank downwards, the inner wall of the protruding portion restrains the blank after the pressing ring and the lower die ring are matched, the bottom surface of the cut is made to face inwards, burrs are located on the inner wall of the cover body, and scratching between the cover bodies in the transportation or carrying process can be effectively prevented.

Description

Metal can cover forming die

Technical Field

The utility model relates to the technical field of dies, in particular to a metal can cover forming die.

Background

The metal sheet can leave the burr in the incision department after the punching press is cuted, and the burr lies in the outer wall of lid as shown in figure 1 after the mould shaping of metal can lid on the existing market, and the cover is overlapping the back, and the burr and the lower cover contact of upper cover, and in transportation or handling, upper cover and lower cover produce the friction mutually, and the lower cover can be scotched by the upper cover, can cause the metal can lid to deposit soon the scotch surface oxidation to influence metal can's quality.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the background art, the utility model provides a metal can cover forming die, which solves the problem that burrs are left on the outer wall of a cover body after a metal cover is formed by the die at present.

The technical scheme adopted by the utility model is as follows:

metal can cover forming die, including upper die base and die holder, mold core and last cutting die are installed to the upper die base, die core and lower cutting die are installed to the die holder, the mold core is equipped with down the mould circle down, go up be equipped with between cutting die and the upper die core with lower mould circle complex pressure material ring, it is equipped with the bellying to press the material ring, the bellying is located the mould circle outside down, be equipped with between lower mould circle and the lower cutting die with bellying complex recess.

The bottom surface of the bulge is an arc-shaped surface.

The upper cutting die is connected with the upper die base through a bolt, and an adjusting pad is arranged between the upper cutting die and the upper die base.

The lower die core is provided with a die withdrawing ring matched with the upper die core, and the die withdrawing ring can float.

The outer side of the lower cutting die is provided with a material supporting ring, the bottom surface of the upper cutting die is matched with the top surface of the material supporting ring, the bottom surface of the material supporting ring is provided with a guide rod matched with the lower die holder, and the guide rod is connected with an elastic reset piece.

The swaging ring may float.

And the bottom surface of the upper mold core is provided with an exhaust hole.

The groove and one side of the protruding part, which is far away from the lower die ring, are mutually matched inclined planes, and the width of the groove is gradually reduced from top to bottom.

The utility model has the beneficial effects that:

the upper die base descends to enable the upper cutting die and the lower cutting die to be matched to shear the plate, the protruding portion presses the blank downwards, the inner wall of the protruding portion restrains the blank after the pressing ring and the lower die ring are matched, the bottom surface of the cut is made to face inwards, burrs are located on the inner wall of the cover body, and scratching between the cover bodies in the transportation or carrying process can be effectively prevented.

Drawings

Fig. 1 is a schematic view of a cover on the market.

Fig. 2 is a schematic diagram of the present invention.

Fig. 3 is an enlarged schematic view of the utility model at a in fig. 2.

FIG. 4 is a schematic view of the upper die holder of the present invention.

FIG. 5 is a schematic view of the lower die holder of the present invention.

Fig. 6 is a schematic view of the molded cover of the present invention.

The device comprises an upper die holder 1, a lower die holder 2, an upper die core 3, an upper cutting die 4, a lower die core 5, a lower cutting die 6, a lower die ring 7, a material pressing ring 8, a protruding part 9, a groove 10, an adjusting pad 11, a die withdrawing ring 12, a material supporting ring 13, a guide rod 14, an elastic resetting piece 15 and an exhaust hole 16.

Detailed Description

The utility model will be further illustrated with reference to the following examples and drawings:

in an embodiment, as shown in fig. 2, 3, 4, 5, and 6, the metal can cover forming mold includes an upper mold base 1 and a lower mold base 2, the upper mold base 1 is provided with an upper mold core 3 and an upper cutting die 4, the lower mold base 2 is provided with a lower mold core 5 and a lower cutting die 6, the lower mold core 5 is provided with a lower mold ring 7, a material pressing ring 8 matched with the lower mold ring 7 is arranged between the upper cutting die 4 and the upper mold core 3, the material pressing ring 8 is provided with a protruding portion 9, the protruding portion 9 is located outside the lower mold ring 7, and a groove 10 matched with the protruding portion 9 is arranged between the lower mold ring 7 and the lower cutting die 6. The upper die base 1 descends to enable the upper cutting die 4 and the lower cutting die 6 to be matched to shear plates, the protruding portion 9 presses the blanks downwards, the inner wall of the protruding portion 9 restrains the blanks after the pressing ring 8 and the lower die ring 7 are matched, the bottom surface of the cut faces inwards, burrs are located on the inner wall of the cover body, and scratches between the cover bodies in the transporting or carrying process can be effectively prevented.

In an embodiment, as shown in fig. 2 and 3, the bottom surface of the protrusion 9 is an arc-shaped surface. The protruding portion 9 does not scratch the surface of the blank when the blank of the lid body is brought into contact with the blank and pressed downward.

In an embodiment, as shown in fig. 2 and 4, the upper cutting die 4 is connected to the upper die holder 1 through a bolt, and an adjusting pad 11 is disposed between the upper cutting die 4 and the upper die holder 1. Certainly, the lower cutting die 6 is also provided with the adjusting pad 11, and when the cutting edge of the upper cutting die 4 or the lower cutting die 6 is worn, the mounting position of the upper cutting die 4 or the lower cutting die 6 can be adjusted through the adjusting pad 11, so that the service lives of the upper cutting die 4 and the lower cutting die 6 are ensured.

In an embodiment, as shown in fig. 2 and 5, the lower mold core 5 is provided with a mold stripping ring 12 matched with the upper mold core 3, and the mold stripping ring 12 can float. The mold stripping ring 12 can float through hydraulic pressure or air pressure, when the molded cover body is positioned on the lower mold core 5, the upper mold core 3 is separated from the lower mold core 5, and the mold stripping ring 12 resets to eject the cover body out for mold stripping.

In an embodiment, as shown in fig. 2 and 5, a material supporting ring 13 is arranged on the outer side of the lower cutting die 6, the bottom surface of the upper cutting die 4 is matched with the top surface of the material supporting ring 13, a guide rod 14 matched with the lower die holder 2 is arranged on the bottom surface of the material supporting ring 13, and the guide rod 14 is connected with an elastic resetting piece 15. The elastic reset piece 15 is a spring, when the upper cutting die 4 descends to be matched with the lower cutting die, the bottom surface of the upper cutting die 4 is used for pressing the plate on the top surface of the material supporting ring 13, the material pressing die does not need to be arranged, and materials are saved.

In an embodiment, as shown in fig. 2 and 4, the pressing ring 8 may float. The pressing ring 8 can float through hydraulic pressure or air pressure, when the pressing ring 8 and the lower die ring 7 are matched to reach a certain pressure to form a blank, the pressing ring 8 floats upwards to prevent damage to a formed cover body, and the lower die core 5 can be designed into a floating or non-floating structure according to needs.

In the embodiment, as shown in fig. 2 and 4, the bottom surface of the upper mold core 3 is provided with vent holes 16. When the lid after the shaping is located upper die core 3, exhaust hole 16 and air inlet intercommunication, separate stamping forming's lid and upper die core 3 through aerifing, make things convenient for the demolding.

In the embodiment, as shown in fig. 2, the side of the groove 10 and the side of the protrusion 9 away from the lower die ring 7 are mutually engageable inclined surfaces, and the width of the groove 10 gradually decreases from top to bottom.

It should be understood that the above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And such obvious changes and modifications which are within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. Metal can cover forming die, including upper die base (1) and die holder (2), mold core (3) and last cutting die (4) are installed in upper die base (1), die core (5) and lower cutting die (6), its characterized in that are installed down in die holder (2): lower mold core (5) are equipped with lower mould ring (7), go up be equipped with between cutting die (4) and last mold core (3) with lower mould ring (7) complex pressure material ring (8), pressure material ring (8) are equipped with bellying (9), bellying (9) are located the lower mould ring (7) outside, be equipped with between lower mould ring (7) and lower cutting die (6) with bellying (9) complex recess (10).

2. The metal can lid forming mold as defined in claim 1, wherein: the bottom surface of the bulge (9) is an arc-shaped surface.

3. The metal can lid forming mold as defined in claim 1, wherein: the upper cutting die (4) is connected with the upper die base (1) through a bolt, and an adjusting pad (11) is arranged between the upper cutting die (4) and the upper die base (1).

4. The metal can lid forming mold as defined in claim 1, wherein: the lower mold core (5) is provided with a mold stripping ring (12) matched with the upper mold core (3), and the mold stripping ring (12) can float.

5. The metal can lid forming mold as defined in claim 1, wherein: the outer side of the lower cutting die (6) is provided with a material supporting ring (13), the bottom surface of the upper cutting die (4) is matched with the top surface of the material supporting ring (13), the bottom surface of the material supporting ring (13) is provided with a guide rod (14) matched with the lower die holder (2), and the guide rod (14) is connected with an elastic resetting piece (15).

6. The metal can lid forming mold as defined in claim 1, wherein: the pressing ring (8) can float.

7. The metal can lid forming mold as defined in claim 1, wherein: and the bottom surface of the upper mold core (3) is provided with an exhaust hole (16).

8. The metal can lid forming mold as defined in claim 1, wherein: one sides of the grooves (10) and the protrusions (9) far away from the lower die ring (7) are mutually matched inclined planes, and the width of the grooves (10) is gradually reduced from top to bottom.