CN219253741U

CN219253741U - Secret box shell forming die

Info

Publication number: CN219253741U
Application number: CN202223301651.3U
Authority: CN
Inventors: 李潮
Original assignee: Jiangsu Baitai Precision Mould Manufacturing Co ltd
Current assignee: Jiangsu Baitai Precision Mould Manufacturing Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-27
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to the technical field of bending dies and discloses a forming die for a shell of a security box, which comprises a bottom plate and a top plate, wherein a bending die is arranged at the center of the top of the bottom plate, a bending metal plate is arranged at the center of the top of the bending die, positioning columns are arranged at the outer sides of the bending metal plate at the top of the bending die, guide columns are arranged at four corners of the top of the bottom plate, the top plate is arranged at the top of the guide columns, a guide sleeve is arranged at the outer sides of the guide columns, an upper die seat is arranged at the top of the guide sleeve, an upper die plate is arranged at the center of the bottom of the upper die seat, and a bending male die is arranged at the center of the bottom of the upper die plate.

Description

Secret box shell forming die

Technical Field

The utility model relates to the technical field of bending dies, in particular to a secret box shell forming die.

Background

Electronic products on the market are currently authenticated to the hands of users, wherein radiation tests of electromagnetic compatibility (EMC) are available; by adding the shielding case, namely the secret box, the interference of an external interference source on the normal operation of the wireless module can be effectively reduced.

In the production process of circuit boards, electromagnetic interference prevention is one of the functions of a secret box; another function of the privacy box is to prevent collisions and to facilitate privacy. Install the circuit board inside the secret box, can effectually prevent external impact to the damage of circuit board, can also shelter from the secret to the circuit board simultaneously. The raw materials of the shielding case generally include copper oxide, stainless steel, tin, etc., and most of the shielding cases currently use copper oxide.

The existing privacy box is generally formed by direct stamping and bending, is in a thin shell shape after stamping, is not supported inside, and is directly installed inside the privacy box when in use, and is easy to crush and the like in the use process due to the fact that the wall thickness of the privacy box is thinner and the impact resistance is poorer. Therefore, a bending die capable of press forming the internal support and the privacy box together is proposed.

Disclosure of Invention

The utility model aims to provide a forming die for a shell of a security box, which is used for solving the problems of thinner wall thickness, no support in the interior and poor impact resistance of the security box after the security box is formed by stamping in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a secret box shell forming die, includes bottom plate and roof, bottom plate top central authorities are equipped with the die of bending, bending sheet metal has been placed to die top central authorities of bending, bending die top is located the sheet metal outside of bending and is equipped with the reference column, bottom plate top four corners is equipped with the guide pillar, the guide pillar top is equipped with the roof, the guide pillar outside is equipped with the guide pin bushing, the guide pin bushing top is equipped with the upper die base, upper die base bottom central authorities are equipped with the cope match-plate pattern, cope match-plate pattern bottom central authorities are equipped with the terrace die of bending, the terrace die outside cover of bending has the supporting shell.

Preferably, fool-proof protrusions are arranged on two sides of the top of the supporting shell, the fool-proof protrusions are asymmetrically distributed, and fool-proof holes are formed in the upper die plate above the fool-proof protrusions.

Preferably, spring guide posts are arranged at four corners of the bottom of the upper die plate, and guide holes matched with the spring guide posts are formed in the bending female die.

Preferably, a positioning hole matched with the positioning column is formed in the upper template.

Preferably, a through hole is formed in the upper die holder and located on the outer side of the guide post, a cylinder is arranged in the center of the top plate, and the bottom end of a piston rod of the cylinder is fixedly connected with the top of the upper die holder.

Preferably, a die backing plate is arranged between the bottom plate and the bending die.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, when the forming die of the airtight box shell is used, the upper die holder is driven to ascend through the air cylinder, die opening of the die is realized, after die opening, the bending metal plate is placed above the bending female die, positioning is carried out through the positioning column, then the supporting shell is sleeved on the outer side of the bending male die, foolproof positioning of the supporting shell is carried out through transition fit of the foolproof bulge and the foolproof hole, meanwhile, the supporting shell is prevented from falling off, then the air cylinder piston rod is controlled to descend, the upper die holder, the upper die plate, the bending male die and the supporting shell are driven to descend, the bending metal plate is bent through the fit of the bending male die and the bending female die, the bending metal plate is wrapped on the outer side of the supporting shell after bending, the bending forming and supporting of the airtight box are realized, and the produced airtight box is high in strength and strong in impact resistance through the supporting of the supporting shell.

Drawings

FIG. 1 is a perspective view of a privacy cassette housing forming die of the present utility model;

FIG. 2 is a perspective view of another view of a privacy cassette housing forming die of the present utility model;

FIG. 3 is a front cross-sectional view of a privacy cassette housing forming die of the present utility model;

fig. 4 is a left side view of a privacy cassette housing forming die of the present utility model.

In the figure: 1-a bottom plate; 2-bending the female die; 3-positioning columns; 4-bending metal plates; 5-guide posts; 6-top plate; 7-guiding sleeve; 8-an upper die holder; 9-upper template; 10-spring guide posts; 11-bending the male die; 12-a support shell; 13-fool-proof protrusions; 14-cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a forming die for a confidential box shell comprises a bottom plate 1 and a top plate 6, wherein a bending female die 2 is arranged at the center of the top of the bottom plate 1, a bending metal plate 4 is arranged at the center of the top of the bending female die 2, positioning columns 3 are arranged at the outer sides of the bending metal plate 4 at the top of the bending female die 2, guide columns 5 are arranged at four corners of the top of the bottom plate 1, the top of each guide column 5 is provided with the top plate 6, an upper die holder 8 is driven to ascend through an air cylinder 14, die opening of the die is achieved, and after die opening, the bending metal plate 4 is arranged above the bending female die 2 and positioned through the positioning columns 3.

The outer side of the guide post 5 is provided with a guide sleeve 5, the top of the guide sleeve 5 is provided with an upper die holder 8, the bottom center of the upper die holder 8 is provided with an upper die plate 9, the bottom center of the upper die plate 9 is provided with a bending male die 11, and the outer side of the bending male die 11 is sleeved with a supporting shell 12. Support shell 12 cover is in the terrace die 11 outside of bending, prevent slow-witted location of preventing of supporting shell 12 through the transition fit in slow-witted arch 13 and slow-witted hole, prevent simultaneously that supporting shell 12 from dropping, then, control cylinder 14 piston rod descends, drive upper die base 8, cope match-plate pattern 9, the terrace die of bending 11 and supporting shell 12 decline, through the cooperation of terrace die of bending 11 and die of bending 2, bend bending panel beating 4, the parcel of bending panel beating 4 is in the supporting shell 12 outside after the completion of bending, realize going on in the shaping of bending and the support of secret box, when production efficiency is high, through the support of supporting shell 12, the secret box intensity of producing is higher, the impact resistance is stronger.

Foolproof bulges 13 are arranged on two sides of the top of the supporting shell 12, the foolproof bulges 13 are asymmetrically distributed, foolproof holes are formed in the upper die plate 9 above the foolproof bulges 13, and the distance between the foolproof bulges 13 on two sides and two end faces is slightly different, so that the supporting shell 12 is prevented from being reversely assembled.

Spring guide posts 10 are arranged at four corners of the bottom of the upper die plate 9, guide holes matched with the spring guide posts 10 are formed in the bending female die 2, and the opening and closing die of the upper die plate 9 is guided through the cooperation of the spring guide posts 10 and the guide holes, so that the stamping stability is ensured.

The locating hole matched with the locating column 3 is formed in the upper die plate 9, and the metal plate 4 is located when being bent through the matching of the locating hole and the locating column 3, so that the position accuracy of the metal plate 4 is guaranteed.

Through holes are formed in the upper die holder 8 and located on the outer side of the guide post 5, an air cylinder 14 is arranged in the center of the top plate 6, the bottom end of a piston rod of the air cylinder 14 is fixedly connected with the top of the upper die holder 8, and the air cylinder 14 drives the upper die holder 8 to move up and down, so that the die opening and the die closing of the whole die are realized.

A die backing plate is arranged between the bottom plate 1 and the bending die 2, the bending die 2 is supported by the die backing plate, and the bottom of the bending die 2 is protected while the height of the bending die 2 is conveniently adjusted.

Working principle: when the secret box shell forming die is used, the upper die holder 8 is driven to ascend through the air cylinder 14, die opening of the die is achieved, after die opening, the bending metal plate 4 is placed above the bending die 2, positioning is conducted through the positioning column 3, then the supporting shell 12 is sleeved on the outer side of the bending male die 11, foolproof positioning of the supporting shell 12 is conducted through transition fit of the foolproof protrusions 13 and foolproof holes, meanwhile the supporting shell 12 is prevented from falling, then a piston rod of the air cylinder 14 is controlled to descend, the upper die holder 8, the upper die plate 9, the bending male die 11 and the supporting shell 12 are driven to descend, the bending metal plate 4 is bent through cooperation of the bending male die 11 and the bending female die 2, after bending is completed, the bending metal plate 4 is wrapped on the outer side of the supporting shell 12, bending forming and supporting of the secret box are achieved, production efficiency is high, meanwhile, the produced secret box is high in strength and high in impact resistance through supporting of the supporting shell 12.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a secret box shell forming die, includes bottom plate and roof, its characterized in that: the bottom plate top central authorities are equipped with the die of bending, the die of bending top central authorities have placed the panel beating of bending, the die of bending top is located the panel beating outside of bending and is equipped with the reference column, bottom plate top four corners is equipped with the guide pillar, the guide pillar top is equipped with the roof, the guide pillar outside is equipped with the guide pin bushing, the guide pin bushing top is equipped with the upper die base, upper die base bottom central authorities are equipped with the cope match-plate pattern, cope match-plate pattern bottom central authorities are equipped with the terrace die of bending, the terrace die outside cover of bending has the supporting shell.

2. The privacy cassette housing forming die of claim 1, wherein: fool-proof bulges are arranged on two sides of the top of the supporting shell, the fool-proof bulges are asymmetrically distributed, and fool-proof holes are formed in the upper die plate above the fool-proof bulges.

3. The privacy cassette housing forming die of claim 1, wherein: spring guide posts are arranged at four corners of the bottom of the upper die plate, and guide holes matched with the spring guide posts are formed in the bending female die.

4. The privacy cassette housing forming die of claim 1, wherein: and a positioning hole matched with the positioning column is formed in the upper template.

5. The privacy cassette housing forming die of claim 1, wherein: the upper die holder is internally provided with a through hole positioned outside the guide post, the center of the top plate is provided with a cylinder, and the bottom end of a piston rod of the cylinder is fixedly connected with the top of the upper die holder.

6. The privacy cassette housing forming die of claim 1, wherein: and a die backing plate is arranged between the bottom plate and the bending die.