CN221231390U - Deep drawing forming progressive die - Google Patents

Abstract

The utility model discloses a deep drawing forming progressive die which comprises an upper die, a lower die holder and a base, wherein a first through groove is formed in the top end of the upper die in a penetrating manner, a first convex film is arranged in the first through groove, a second through groove is formed in the first convex film in a penetrating manner, a second convex film is arranged in the second through groove, the lower die holder is positioned above the base and is integrally formed with the base, a forming groove is formed in the top end of the lower die holder, a cavity communicated with the forming groove is formed in the lower die, and a buffer mechanism is arranged in the cavity.

Description

Deep drawing forming progressive die

Technical Field

The utility model relates to the technical field of drawing dies, in particular to a drawing forming progressive die.

Background

In the deep drawing forming, complex external force is applied to the plate material through a die, so that a complex stress state is generated in the plate material, and the plate material is promoted to flow in an ideal direction.

A drawing die is a die for drawing a flat blank or a semi-finished blank into an open hollow member, and the existing drawing die is generally only capable of forming one product, and when another product needs to be formed, a new die needs to be developed, which increases the processing cost to some extent. To solve the above problems, a solution is proposed as follows.

Disclosure of utility model

The utility model aims to provide a deep drawing forming progressive die for solving the problems in the background technology.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a deep drawing shaping upgrades mould, includes mould, die holder and base, go up the mould top and run through there is logical groove one, it is provided with protruding membrane one to lead to groove one inside, it has logical groove two to run through in protruding membrane one inside, it is provided with protruding membrane two to lead to groove two inside, the die holder is located base top and with base integrated into one piece, the shaping groove has been seted up on the die holder top, the cavity that is linked together with the shaping groove is seted up to the die holder inside, the cavity is inside to be provided with buffer gear.

Preferably, chamfers are formed at the top ends of two sides of the inner wall of the forming groove.

Preferably, the buffer mechanism comprises a buffer plate which is connected inside the cavity in a sliding mode, a plurality of springs are fixedly arranged between the buffer plate and the bottom end inside the cavity, and a buffer block is fixedly arranged at the top end of the buffer plate.

Preferably, the top end of the upper die is provided with a supporting block, the supporting block is provided with two bolts, the upper die and the supporting block are fixed through the two bolts, an internal thread groove is formed in the supporting block, the internal thread groove is communicated with the first through groove, the internal thread is connected with a first threaded rod, and the first threaded rod is fixed with the top end of the convex film.

Preferably, a second threaded rod is fixedly arranged at the top end of the second convex film, a nut is connected to the second threaded rod in a threaded manner, and the nut is abutted to the top end of the first threaded rod.

The beneficial effects of the utility model are as follows: products with different depths can be drawn through adjusting the height of the first convex film, different products can be formed through the arrangement of the second convex film, and finally the practicability of the die can be improved.

Drawings

FIG. 1 is a cross-sectional view of an embodiment;

FIG. 2 is an enlarged view of FIG. 1;

FIG. 3 is a drawing cross-section of an embodiment at different depths;

fig. 4 is a two-stage drawing cross-sectional view of an embodiment.

Reference numerals: 1. an upper die; 11. a first through groove; 12. a first convex film; 13. a second through groove; 131. a second threaded rod; 132. a nut; 14. a second convex film; 15. a support block; 151. a bolt; 16. a first threaded rod; 2. a lower die holder; 3. a base; 21. forming a groove; 22. a chamber; 23. chamfering; 4. a buffer mechanism; 41. a buffer plate; 42. a spring; 43. and a buffer block.

Detailed Description

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 4, a drawing forming progressive die comprises an upper die 1, a lower die holder 2 and a base 3, wherein a through groove I11 is penetrated at the top end of the upper die 1, a convex film I12 is arranged in the through groove I11, a supporting block 15 is arranged at the top end of the upper die 1, two bolts 151 are arranged on the supporting block 15, the upper die 1 and the supporting block 15 are fixed through the two bolts 151, an internal thread groove is formed on the supporting block 15, the internal thread groove is communicated with the through groove I11, a threaded rod I16 is connected with the internal thread, and the threaded rod I16 is fixed at the top end of the convex film I12; the support block 15 and the first convex film 12 can be conveniently disassembled and assembled by an operator through the arrangement of the two bolts 151, the first convex film 12 can be driven to slide in the first through groove 11 when the operator screws the first threaded rod 16, and products with different depths can be drawn by adjusting the height of the first convex film 12.

A through groove II 13 is penetrated in the first convex film 12, a second convex film 14 is arranged in the through groove II 13, a second threaded rod 131 is fixedly arranged at the top end of the second convex film 14, a nut 132 is connected to the second threaded rod 131 in a threaded manner, and the nut 132 is abutted against the top end of the first threaded rod 16; the height adjusting function can be achieved by moving the position of the second convex film 14, when the second convex film 14 descends to a certain degree, the second convex film 14 can be conveniently drawn into different products, and the second convex film 14 and the second threaded rod 131 can be fixed by tightening the nut 132.

The lower die holder 2 is positioned above the base 3 and is integrally formed with the base 3, a forming groove is formed in the top end of the lower die holder 2, chamfers 23 are formed in the top ends of two sides of the inner wall of the forming groove, a cavity 22 communicated with the forming groove is formed in the lower die, and a buffer mechanism 4 is arranged in the cavity 22; when the blank is placed into the forming groove, the upper die 1, the first convex film 12 and the second convex film 14 move downwards to perform the deep drawing forming function, wherein the buffer mechanism 4 can perform the buffer function.

The buffer mechanism 4 comprises a buffer plate 41 which is slidably connected in the chamber 22, a plurality of springs 42 are fixedly arranged between the buffer plate 41 and the bottom end in the chamber 22, and a buffer block 43 is fixedly arranged at the top end of the buffer plate 41; when the blank is stretched, the buffer blocks 43 and the buffer plates 41 can be respectively driven to move downwards until the springs 42 are in a compressed state, so that the effect of buffering can be achieved, and the phenomenon that the blank is deformed due to excessive stamping force can be avoided.

Working principle: when an operator places the blank on the lower die, the drawing forming effect can be achieved through the downward movement of the upper die 1; when products with different depths are required to be drawn, an operator can firstly twist the first threaded rod 16 and drive the first convex film 12 to slide downwards in the first through groove 11, and the first convex film 12 can move downwards along with the upper die 1 by adjusting the height of the first convex film 12, so that blanks are drawn into products with different depths; when a more complex product needs to be drawn, the height of the second convex film 14 can be adjusted by moving the position of the second threaded rod 131, when the second convex film 14 descends to a certain extent, the second convex film 14 and the second threaded rod 131 can be respectively fixed by screwing the nut 132, and when the second convex film 14 moves downwards along with the upper die 1, the more complex product can be finally drawn and formed.

The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims (5)

1. The utility model provides a deep drawing shaping upgrades mould, includes mould (1), die holder (2) and base (3), its characterized in that, go up mould (1) top and run through groove one (11), it is provided with protruding membrane one (12) to lead to groove one (11) inside, protruding membrane one (12) inside is run through there is logical groove two (13), it is provided with protruding membrane two (14) to lead to groove two (13) inside, die holder (2) are located base (3) top and with base (3) integrated into one piece, forming groove (21) have been seted up on die holder (2) top, cavity (22) that are linked together with forming groove (21) have been seted up to the die holder inside, cavity (22) inside is provided with buffer gear (4).

2. A deep drawing progressive die according to claim 1, characterized in that chamfers (23) are provided on the top ends of both sides of the inner wall of the forming groove (21).

3. The deep drawing progressive die according to claim 1, wherein the buffer mechanism (4) comprises a buffer plate (41) slidably connected inside the cavity (22), a plurality of springs (42) are fixedly arranged between the buffer plate (41) and the bottom inside the cavity (22), and a buffer block (43) is fixedly arranged at the top end of the buffer plate (41).

4. The deep drawing forming progressive die according to claim 1, wherein a supporting block (15) is arranged at the top end of the upper die (1), two bolts (151) are arranged on the supporting block (15), the upper die (1) and the supporting block (15) are fixed through the two bolts (151), an internal thread groove is formed in the supporting block (15), the internal thread groove is communicated with the first through groove (11), a threaded rod (16) is connected with the internal thread, and the threaded rod (16) is fixed with the top end of the first convex film (12).

5. The deep drawing progressive die of claim 4, wherein a second threaded rod (131) is fixedly arranged at the top end of the second convex film (14), a nut (132) is connected to the second threaded rod (131) in a threaded manner, and the nut (132) is abutted to the top end of the first threaded rod (16).