CN219483953U

CN219483953U - Stamping die for aluminum shell of capacitor

Info

Publication number: CN219483953U
Application number: CN202320637247.9U
Authority: CN
Inventors: 戴伟军
Original assignee: Zhoushan Xinlong Electronic Equipment Co ltd
Current assignee: Zhoushan Xinlong Electronic Equipment Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-08
Anticipated expiration: 2033-03-28

Abstract

The utility model provides a capacitor aluminum shell stamping die, which solves the problem of low multi-time stretching efficiency of a capacitor aluminum shell blank at present. The method is characterized in that: the male die is provided with a plurality of and gradually diminishes along pay-off direction diameter, the die holder is equipped with the removal seat, remove the seat and install the clamping jaw, the clamping jaw is located the die top, the top of clamping jaw is equipped with takes off the material mould, the number of clamping jaw is the same with the number of male die. When the movable seat is in a reset state, the first clamping jaw corresponds to the second male die, and the last clamping jaw corresponds to the cutting die; after the male die and the female die are matched to finish stamping, the movable seat moves forwards to enable the clamping jaws to correspond to the male die one by one, then the male die is reset, the stripping die breaks away the stamping part from the male die in the rising process of the male die, the stamping part is located in the clamping jaws, and finally the movable seat is reset, so that the stamping part is conveyed to the next stamping process and waits for the next stamping.

Description

Stamping die for aluminum shell of capacitor

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a capacitor aluminum shell stamping die.

Background

The capacitor aluminum shell is punched by coiled aluminum plates, and Chinese patent No. ZL200420089948.0 discloses an electrolytic capacitor aluminum shell strip continuous stretching die which is formed by cutting the coiled aluminum plates into strip-shaped small aluminum plates and then carrying out multiple deep drawing and stamping processes. In order to improve the utilization rate of materials, coiled aluminum plates are initially punched into capacitor aluminum shell blanks, and then the blanks are subjected to multi-pass stretching on different dies to form the blanks, but the working efficiency of the processing mode is low.

Disclosure of Invention

In order to overcome the defects of the background technology, the utility model provides a capacitor aluminum shell stamping die, and solves the problem of low multi-time stretching efficiency of the existing capacitor aluminum shell blank.

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

the utility model provides a condenser aluminum hull stamping die, includes upper die base and die holder, the terrace die is installed to the upper die base and the cutting die, the die holder is installed and is used for with terrace die complex die, the terrace die is provided with a plurality of and diminishes along pay-off direction diameter gradually, the die holder is equipped with the removal seat, the clamping jaw is installed to the removal seat, the clamping jaw is located the die top, the top of clamping jaw is equipped with takes off the material mould, the number of clamping jaw is the same with the number of terrace die.

The clamping jaw comprises clamping blocks which are symmetrically arranged, the clamping blocks are circumferentially matched with the movable seat, and a first elastic reset piece is arranged between the clamping blocks and the movable seat.

The first elastic reset piece is a spring, and a guide rod matched with the spring is arranged on the movable seat.

The rear end of the clamping block is provided with a protruding part, and the movable seat is provided with a limiting part for contacting with the protruding part.

The length of the limiting piece positioned on the inner side of the movable seat is adjustable.

One end of the movable seat is provided with a first push rod and a U-shaped seat, the U-shaped seat is provided with a second push rod which is used for corresponding to the first push rod, and a swing rod is arranged between the first push rod and the second push rod.

Two sides of the movable seat are provided with second elastic resetting pieces which are connected with the lower die holder.

The beneficial effects of the utility model are as follows:

when the movable seat is in a reset state, the first clamping jaw corresponds to the second male die, and the last clamping jaw corresponds to the cutting die; after the male die and the female die are matched to finish stamping, the movable seat moves forwards to enable the clamping jaws to correspond to the male die one by one, then the male die is reset, the stripping die breaks away the stamping part from the male die in the rising process of the male die, the stamping part is positioned in the clamping jaws, and finally the movable seat is reset, the stamping part is conveyed to the next stamping process, and the next stamping is waited; the multi-pass stamping forming of the aluminum shell blank of the capacitor can be completed in the die, and the production efficiency is greatly improved.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic view of the mobile station of the present utility model.

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

FIG. 4 is a schematic view of the movable base of the present utility model mated with a lower die base.

The die comprises an upper die holder 1, a lower die holder 2, a male die 3, a cutting die 4, a female die 5, a movable seat 6, clamping jaws 7, clamping blocks 71, a protruding portion 72, a stripping die 8, a first elastic resetting piece 9, a guide rod 10, a limiting piece 11, a first push rod 12, a U-shaped seat 13, a second push rod 14, a swing rod 15 and a second elastic resetting piece 16.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

in the embodiment, as shown in fig. 1, 2 and 3, the capacitor aluminum shell stamping die comprises an upper die holder 1 and a lower die holder 2, wherein a male die 3 and a cutting die 4 are arranged on the upper die holder 1, a female die 5 matched with the male die 3 is arranged on the lower die holder, a plurality of male dies 3 are arranged, the diameters of the male dies are gradually reduced along the feeding direction, a movable seat 6 is arranged on the lower die holder 2, clamping jaws 7 are arranged on the movable seat 6, the clamping jaws 7 are positioned above the female die 5, a stripping die 8 is arranged above the clamping jaws 7, and the number of the clamping jaws 7 is identical with that of the male dies 3. When the movable seat 6 is in a reset state, the first clamping jaw 7 corresponds to the second male die 3, and the last clamping jaw 7 corresponds to the cutting die 4; after the male die 3 and the female die 5 are matched to finish stamping, the movable seat 6 moves forwards to enable the clamping jaws 7 to correspond to the male die 3 one by one, then the male die 3 resets, the stripping die 8 breaks away the stamping part from the male die 3 in the rising process of the male die 3, the stamping part is positioned in the clamping jaws 7, and finally the movable seat 6 resets, the stamping part is conveyed to the next stamping process, and the next stamping is waited; the multi-pass stamping forming of the aluminum shell blank of the capacitor can be completed in the die, and the production efficiency is greatly improved.

In the embodiment, as shown in fig. 2 and 3, the clamping jaw 7 includes symmetrically arranged clamping blocks 71, the clamping blocks 71 are circumferentially matched with the moving seat 6, and a first elastic reset member 9 is arranged between the clamping blocks 71 and the moving seat 6. The clamping blocks 71 are provided with arc-shaped clamping openings for being matched with stamping parts, the first elastic reset piece 9 is convenient for opening the clamping jaw 7, when the movable seat 6 moves forwards, the clamping jaw 7 is opened by the male die 3 (the clamping blocks 71 are separated, the first elastic reset piece 9 is compressed), so that the clamping jaw 7 can move relative to the male die 3, and when the movable seat 6 moves to a set position, the clamping openings of the clamping jaw 7 are matched with the male die; and when the male die 3 performs punching, the clamping opening is easy to open, and the punching part can be easily separated from the clamping jaw 7, so that the outer wall of the punching part cannot be worn.

In the embodiment, as shown in fig. 2 and 3, the first elastic restoring member 9 is a spring, and the moving seat 6 is provided with a guide rod 10 for matching with the spring. Preventing the spring from bending deformation when compressed.

In the embodiment, as shown in fig. 2 and 3, the rear end of the clamping block 71 is provided with a protruding portion 72, and the movable seat 6 is mounted with a limiting member 11 for contacting with the protruding portion 72. The limiting piece 11 plays a certain limiting role on the clamping force of the clamping jaw, and the stamping part is prevented from being damaged when being clamped.

In the embodiment, as shown in fig. 2 and 3, the length of the limiting member 11 located inside the movable seat 6 is adjustable. The limiting piece 11 can be a bolt, and the distance between the clamping blocks 71 is adjusted by rotating the limiting piece 11, so that the aluminum capacitor shell is suitable for capacitor aluminum shells with different sizes after stamping.

In the embodiment, as shown in fig. 2, one end of the moving seat 6 is provided with a first push rod 12 and a U-shaped seat 13, the U-shaped seat 13 is provided with a second push rod 14 corresponding to the first push rod 12, and a swing rod 15 is arranged between the first push rod 12 and the second push rod 14. The swing rod 15 can be driven by a cam mechanism, and the swing rod 15 swings back and forth to drive the movable seat 6 to reciprocate, so that the structure is simple.

In the embodiment, as shown in fig. 4, two sides of the moving seat 6 are provided with a second elastic reset element 16 for connecting with the lower die holder 2. When the movable seat 6 moves to a set distance, the spring is stretched, the spring is compressed after the movable seat 6 is reset, because gaps may exist between the swing rod 15 and the first push rod 12 and between the swing rod 15 and the second push rod 14, after the swing rod 15 pushes the movable seat 6 to move or reset, the position where the movable seat 6 moves may not be at the set position because of inertia, when the spring is stretched, the spring pulls the movable seat 6 to retreat, so that the first push rod 12 is clung to the swing rod 15, and when the spring is compressed, the spring pushes the movable seat 6 to advance, so that the second push rod 14 is clung to the swing rod 15; the swinging angle of the swinging rod 15 is ensured to correspond to the displacement of the movable seat 6, and then the clamping opening of the clamping jaw 7 is ensured to be matched with the male die 3 and the female die 5.

It is apparent that the above examples of the present utility model are merely illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary or impossible to exemplify all embodiments herein. And obvious changes and modifications which come within the spirit of the utility model are desired to be protected.

Claims

1. The utility model provides a condenser aluminum hull stamping die, includes upper die base (1) and die holder (2), terrace die (3) and cutting die (4) are installed to upper die base (1), die holder installs be used for with terrace die (3) complex die (5), its characterized in that: the male die (3) is provided with a plurality of and gradually becomes smaller along the diameter of the feeding direction, the lower die holder (2) is provided with a movable base (6), clamping jaws (7) are installed on the movable base (6), the clamping jaws (7) are located above the female die (5), stripping dies (8) are arranged above the clamping jaws (7), and the number of the clamping jaws (7) is identical to that of the male die (3).

2. The capacitor aluminum case stamping die of claim 1, wherein: clamping jaw (7) are including symmetrical arrangement's clamp splice (71), clamp splice (71) with remove seat (6) circumference cooperation, be equipped with first elasticity reset piece (9) between clamp splice (71) and the removal seat (6).

3. The capacitor aluminum case stamping die of claim 2, wherein: the first elastic reset piece (9) is a spring, and a guide rod (10) matched with the spring is arranged on the movable seat (6).

4. The capacitor aluminum case stamping die of claim 2, wherein: the rear end of the clamping block (71) is provided with a protruding part (72), and the movable seat (6) is provided with a limiting piece (11) for contacting with the protruding part (72).

5. The capacitor aluminum case stamping die of claim 4, wherein: the length of the limiting piece (11) positioned at the inner side of the movable seat (6) is adjustable.

6. The capacitor aluminum case stamping die of claim 1, wherein: one end of the movable seat (6) is provided with a first push rod (12) and a U-shaped seat (13), the U-shaped seat (13) is provided with a second push rod (14) which is used for corresponding to the first push rod (12), and a swing rod (15) is arranged between the first push rod (12) and the second push rod (14).

7. The capacitor aluminum case stamping die of claim 6, wherein: two sides of the movable seat (6) are provided with second elastic resetting pieces (16) which are connected with the lower die holder (2).