CN210586694U

CN210586694U - Cam fine blanking die

Info

Publication number: CN210586694U
Application number: CN201921697054.2U
Authority: CN
Inventors: 洪福卿; 周劲松
Original assignee: Suzhou Yunheng Fine Blanking Technology Co Ltd
Current assignee: Suzhou Yunheng Fine Blanking Technology Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-05-22
Anticipated expiration: 2029-10-11

Abstract

The utility model relates to a cam fine blanking mould, it includes: the upper die assembly comprises an upper die plate, an upper base plate I and an upper base plate II, the upper base plate I and the upper base plate II are arranged in the upper die plate, the size of the upper base plate I is larger than that of the upper base plate II, the upper die assembly further comprises a middle plate and a gear ring plate fixed on the middle plate, a mark pressing punch is hung in the gear ring plate, a pressing plate is arranged at the top of the mark pressing punch and fixed with the gear ring plate, the head of the mark pressing punch is exposed out of the gear ring plate downwards, and the upper die assembly further comprises a convex-concave die; the lower die assembly comprises a concave die plate, a concave die insert is arranged in the concave die plate, a piece ejector is arranged in the concave die insert, a lower die plate is arranged below the concave die plate, and a lower cushion plate I and a lower cushion plate II are arranged in the lower die plate. The problem of pressing the sign during fine blanking is solved.

Description

Cam fine blanking die

Technical Field

The utility model relates to a mould especially relates to a cam fine blanking mould.

Background

The cam is a door lock part, the product quality requirement is high, the cross section needs 100% of full light, and the common stamping process cannot be guaranteed. And the cam is various, and needs to be distinguished with the sign of different shapes, and the sign district needs to be in the burr face of part. Thus identifying how to shape is a challenge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cam fine blanking mould has solved the problem of pressing the sign when fine blanking.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a cam fine blanking mould, it includes:

the upper die assembly comprises an upper die plate, an upper base plate I and an upper base plate II, the upper base plate I and the upper base plate II are arranged in the upper die plate, the size of the upper base plate I is larger than that of the upper base plate II, the upper die assembly further comprises a middle plate and a gear ring plate fixed on the middle plate, a mark pressing punch is hung in the gear ring plate, a pressing plate is arranged at the top of the mark pressing punch and fixed with the gear ring plate, the head of the mark pressing punch is exposed out of the gear ring plate downwards, and the upper die assembly further comprises a convex-concave die;

the lower die assembly comprises a concave die plate, a concave die insert is arranged in the concave die plate, a piece ejector is arranged in the concave die insert, a lower die plate is arranged below the concave die plate, and a lower cushion plate I and a lower cushion plate II are arranged in the lower die plate.

Optionally, the pressing mark punch is provided with at least two, and the heads of the at least two pressing mark punches are provided with different punching patterns.

Optionally, the pressure plate is detachably fixed to the ring gear plate.

Optionally, an ejector rod is arranged in the male and female dies, and a spring is arranged above the ejector rod.

Optionally, the upper end of the mark pressing punch is provided with a transversely extending stop part, and the stop part is hung on the gear ring plate.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a cam fine blanking mould is owing to hang in the ring gear board and be equipped with the pressure sign drift, and the top of pressing the sign drift is provided with the clamp plate, and the clamp plate is used for the fixed sign drift that presses, has consequently realized pressing the sign simultaneously at the in-process that the fine blanking takes shape, need not the fine blanking back and presses the sign alone, has improved production efficiency.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a cam fine blanking die according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the die and nearby components of FIG. 1;

FIG. 3 is a front and bottom view of two types of punch for pressing logos;

wherein the reference numerals are as follows:

1. mounting a template;

2. an upper base plate I;

3. an upper base plate II;

4. a base plate III;

5. a male die and a female die;

6. a ring gear plate;

7. a piece ejector;

8. a concave die insert;

9. a cavity plate;

10. a lower template;

11. a lower base plate I;

12. a lower base plate II;

13. an upper force transmission rod;

14. pressing a plate;

15. pressing the mark punch;

16. ejecting a rod;

17. a stopper portion;

18. an upper die assembly;

19. a lower die assembly;

20. a middle plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the cam fine blanking die includes an upper die assembly 18 and a lower die assembly 19.

Wherein, go up mould subassembly 18 and include cope match-plate pattern 1, upper padding plate I2, upper padding plate II 3 and upper padding plate III 4. An upper cushion plate I2 and an upper cushion plate II 3 are arranged in the upper template 1. The size of upper padding plate I2 is greater than the size of upper padding plate II 3 to improve the mould life-span, because upper padding plate I2 is more close the power supply, the atress is bigger. The upper cushion plate III 4 is arranged selectively, and the upper cushion plate III 4 is fixed on the lower surface of the upper cushion plate II 3.

Upper die assembly 18 also includes an intermediate plate 20 and ring gear plate 6 secured to intermediate plate 20. The middle plate 20 and the upper die plate 1 are arranged in a sliding mode through guide pillars and guide sleeves, and are arranged conventionally in the field. The ring gear plate 6 is fixed below the intermediate plate 20. The lower surface of the gear ring plate 6 is provided with a linearly extending bulge which is tightly propped against the material during stamping so as to prevent the material from moving transversely.

Referring to fig. 1 and 2, a press mark punch 15 is hung in the gear ring plate 6, a press plate 14 is arranged on the top of the press mark punch 15, and the press plate 14 is detachably fixed on the gear ring plate 6 through bolts. The head (lower end) of the logo pressing punch 15 is exposed downward to the ring gear plate 6, and the lower end surface of the logo pressing punch 15 is provided with a punching pattern (see fig. 3), so that a logo is punched on the surface of a material.

The upper end of the pressing mark punch 15 is provided with a stop part 17 extending transversely, and the stop part 17 is hung on the gear ring plate 6. The ring gear plate 6 is provided with a caulking groove, the shape of the caulking groove is matched with the mark pressing punch 15 and a stop part 17 in the mark pressing punch 15, and the caulking groove is used for hanging the mark pressing punch 15.

As shown in fig. 3, in this example, the two types a and b of the stamp punch 15 are provided, and different stamping patterns are provided on the head (lower end) of the two types of stamp punches 15. A marking punch 15 is selected and mounted on the ring gear plate 6 as required. Of course, more marking press punches 15 can be provided as needed, and different head punching patterns can be arranged on the marking press punches 15.

As shown in fig. 2, the pressing plate 14 is detachably fixed on the ring gear plate 6, so that the pressing mark punch 15 can be conveniently detached and replaced.

As shown in fig. 1, the upper mold assembly 18 further includes a punch and die 5, the punch and die 5 being conventional in the art.

The convex-concave die 5 is also provided with an ejector rod 16, and a spring is arranged above the ejector rod 16. The provision of ejector pins 16 facilitates ejection of large waste material.

An upper force transmission rod 13 is further arranged in the upper die assembly 18, the upper force transmission rod 13 penetrates through the upper base plate I2, the upper base plate II 3 and the upper base plate III 4, and the lower end of the upper force transmission rod 13 is abutted against the gear ring plate 6.

Referring to fig. 1, the lower mold assembly 19 includes a cavity plate 9, a cavity insert 8 is disposed in the cavity plate 9, and a part ejector 7 is disposed in the cavity insert 8. A lower template 10 is arranged below the cavity template 9, and a lower cushion plate I11 and a lower cushion plate II 12 are arranged in the lower template 10.

In summary, in the cam fine blanking die of the present embodiment, since the press mark punch 15 is hung in the gear ring plate 6, the press mark is realized in the process of fine blanking the formed cam, the subsequent separate press mark is not needed, and the production efficiency is improved. In addition, the mark pressing punch 15 is simple to disassemble and replace, and cams with different marks can be formed by one pair of dies. An ejection rod 16 is arranged in the gear ring plate 6, so that large waste materials can be ejected conveniently. The mark pressing punch 15 is in a half-T shape and is hung in the gear ring plate 6, and is fixed above the gear ring plate 6 through the pressing plate 14, so that the mark pressing punch has the advantages of simple structure, firmness and easiness in installation.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A cam fine blanking die is characterized by comprising:

the upper die assembly (18) comprises an upper die plate (1), an upper base plate I (2) and an upper base plate II (3), the upper base plate I (2) and the upper base plate II (3) are arranged in the upper die plate (1), the size of the upper base plate I (2) is larger than that of the upper base plate II (3), the upper die assembly (18) further comprises a middle plate (20) and a ring gear plate (6) fixed on the middle plate (20), a pressure mark punch (15) is hung in the ring gear plate (6), a pressure plate (14) is arranged at the top of the pressure mark punch (15), the pressure plate (14) is fixed with the ring gear plate (6), the head of the pressure mark punch (15) is exposed out of the ring gear plate (6) downwards, and the upper die assembly (18) further comprises a convex-concave die (5);

the lower die assembly (19) comprises a concave die plate (9), a concave die insert (8) is arranged in the concave die plate (9), an ejector (7) is arranged in the concave die insert (8), a lower die plate (10) is arranged below the concave die plate (9), and a lower cushion plate I (11) and a lower cushion plate II (12) are arranged in the lower die plate (10).

2. The cam fine blanking die of claim 1, wherein: the number of the pressing mark punch heads (15) is at least two, and different punching patterns are arranged at the heads of the at least two pressing mark punch heads (15).

3. The cam fine blanking die of claim 1, wherein: the pressure plate (14) is detachably fixed on the gear ring plate (6).

4. The cam fine blanking die of claim 1, wherein: an ejection rod (16) is arranged in the convex-concave die (5), and a spring is arranged above the ejection rod (16).

5. The cam fine blanking die of claim 1, wherein: the upper end of the mark pressing punch head (15) is provided with a stop part (17) extending transversely, and the stop part (17) is hung on the gear ring plate (6).