CN213321413U

CN213321413U - BTB connector injection moulding mould

Info

Publication number: CN213321413U
Application number: CN202021944799.7U
Authority: CN
Inventors: 李阳锋; 龚志鹏; 李垚; 张建明
Original assignee: Shenzhen Chuangyitong Technology Co Ltd
Current assignee: Shenzhen Chuangyitong Technology Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-01
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses an injection molding mould of a BTB connector, which comprises a female mould and a male mould; the female die and the male die are combined to form a die cavity, a male die ejection mechanism is arranged in the male die, and the male die ejection mechanism extends into the die cavity from bottom to top; the female die is internally provided with a female die ejection mechanism which extends into the die cavity from top to bottom. The female die ejection mechanism is arranged in the female die and matched with the female die ejection mechanism to extend into the die cavity from top to bottom, when the female die is demolded, the female die ejection mechanism can extend into the die cavity from top to bottom and eject the connector after injection molding out of the die cavity, so that the connector can be smoothly demolded, the phenomenon of die pressing is avoided, the requirement on the surface roughness of the part of the female die is not required, and the production processing cost is reduced.

Description

BTB connector injection moulding mould

Technical Field

The utility model belongs to the technical field of the mould and specifically relates to indicate a BTB connector injection moulding mould.

Background

Board-to-board Connectors, also known in the industry as BTB Connectors (BTBs), are the most powerful connector products of all connector product types today. The BTB connector is widely used in electronic products such as mobile phones and notebook computers as a high-precision multi-contact connector, and is used for connecting a main board inside an electronic device with a Flexible Printed Circuit (FPC) or other components. Generally, a BTB connector is electrically connected to a motherboard through a female socket, and an FPC or other component is electrically connected to a male socket, so as to connect a Printed Circuit Board (PCB) to the FPC or other component.

When the existing BTB injection mold is used for demolding after injection molding is finished, the inner wall of the connector is often stuck on a female mold, so that smooth demolding cannot be realized, and a pressing mold is easily caused, so that higher requirements on the surface roughness of a female mold part are required, and the processing cost is higher, therefore, the existing injection mold structure needs to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an injection mold for BTB connector, which can effectively solve the problems of difficult smooth demolding, easy occurrence of pressing mold, high requirement for roughness of female mold part and high production cost of the existing injection mold.

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

a BTB connector injection molding mold comprises a female mold and a male mold; the female die and the male die are combined to form a die cavity, a male die ejection mechanism is arranged in the male die, and the male die ejection mechanism extends into the die cavity from bottom to top; the female die is internally provided with a female die ejection mechanism which extends into the die cavity from top to bottom.

As a preferable scheme, the female mold is internally provided with a first mounting cavity, the female mold ejection mechanism comprises a first bottom plate, a first panel and a first ejector pin, the first bottom plate and the first panel are fixed together and movably arranged in the first mounting cavity, the upper end of the first ejector pin is fixed between the first bottom plate and the first panel, and the lower end of the first ejector pin extends downwards into the mold cavity.

As a preferred scheme, a first mounting hole is formed in the first panel, a first spring is arranged in the first mounting hole, and two ends of the first spring respectively abut against the space between the inner top wall and the first bottom plate of the first mounting cavity.

Preferably, a first return pin is fixed between the first bottom plate and the first panel, and the first return pin extends out of the lower surface of the female die and contacts with the upper surface of the male die.

As a preferable scheme, the male mold has a second mounting cavity therein, the male mold ejection mechanism includes a second bottom plate, a second panel and a second ejector pin, the second bottom plate and the second panel are fixed together and movably disposed in the second mounting cavity, a lower end of the second ejector pin is fixed between the second bottom plate and the second panel, and an upper end of the second ejector pin extends upward into the mold cavity.

As a preferable scheme, the inner top wall of the second mounting cavity is provided with a second mounting hole, a second spring is arranged in the second mounting hole, and two ends of the second spring respectively abut against the space between the inner top wall of the second mounting hole and the second panel.

Preferably, a second return pin is fixed between the second bottom plate and the second panel, and the second return pin extends out of the upper surface of the male die to be in contact with the lower surface of the female die.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the female die ejection mechanism is arranged in the female die and matched with the female die ejection mechanism to extend into the die cavity from top to bottom, when the female die is demolded, the female die ejection mechanism can extend into the die cavity from top to bottom and eject the connector after injection molding out of the die cavity, so that the connector can be smoothly demolded, the phenomenon of die pressing is avoided, the requirement on the surface roughness of the part of the female die is not required, and the production processing cost is reduced.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a partially exploded view of the preferred embodiment of the present invention;

FIG. 3 is a partially exploded view of another aspect of the preferred embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a preferred embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of another angle of the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. female die 101, cavity

102. First installation cavity 103 and first installation hole

11. Female die ejection mechanism 111 and first bottom plate

112. First panel 113 and first ejector pin

114. First spring 115, first return pin

20. Male die 201 and second installation cavity

202. Second mounting hole 21 and male die ejection mechanism

211. Second base plate 212, second panel

213. A second thimble 214 and a second spring

215. A second return pin 30, a BTB connector.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which includes a female mold 10 and a male mold 20.

A mold cavity 101 is formed by the mold closing periphery of the female mold 10 and the male mold 20, a female mold ejection mechanism 11 is arranged in the female mold 10, and the female mold ejection mechanism 11 extends into the mold cavity 101 from top to bottom; in this embodiment, the female mold 10 has a first mounting cavity 102 therein, the female mold ejection mechanism 11 includes a first bottom plate 111, a first panel 112 and a first thimble 113, the first bottom plate 111 and the first panel 112 are fixed together and movably disposed in the first mounting cavity 102, an upper end of the first thimble 113 is fixed between the first bottom plate 111 and the first panel 112, and a lower end of the first thimble 113 extends downward into the mold cavity 101; a first mounting hole 103 is formed in the first panel 112, a first spring 114 is arranged in the first mounting hole 103, two ends of the first spring 114 respectively abut against the space between the inner top wall of the first mounting cavity 102 and the first bottom plate 111, and the number of the springs 114 is 4; first return pins 115 are fixed between the first bottom plate 111 and the first panel 112, the first return pins 115 extend out of the lower surface of the female mold 10 to contact with the upper surface of the male mold 20, and the number of the first return pins 115 is 4.

A male die ejection mechanism 21 is arranged in the male die 20, and the male die ejection mechanism 21 extends into the die cavity 101 from bottom to top; in this embodiment, the male mold 20 has a second mounting cavity 201 therein, the male mold ejection mechanism 21 includes a second bottom plate 211, a second panel 212 and a second ejector pin 213, the second bottom plate 211 and the second panel 212 are fixed together and movably disposed in the second mounting cavity 201, a lower end of the second ejector pin 213 is fixed between the second bottom plate 211 and the second panel 212, and an upper end of the second ejector pin 213 extends upward into the mold cavity 101; a second mounting hole 202 is formed in the inner top wall of the second mounting cavity 201, a second spring 214 is arranged in the second mounting hole 202, two ends of the second spring 214 respectively abut against the space between the inner top wall of the second mounting hole 202 and the second panel 212, and the number of the second springs 214 is 4; and a second return pin 215 is fixed between the second bottom plate 211 and the second panel 212, the second return pin 215 extends out of the upper surface of the male die 20 to contact with the lower surface of the female die 10, and the number of the second return pins 215 is 4.

The workflow of the present embodiment is detailed as follows;

when the mold is used, the male mold and the female mold are closed, so that the first return pin 115 and the second return pin 215 respectively abut against the upper surface of the male mold 20 and the lower surface of the female mold 10, the first return pin 115 moves upwards under the action of the male mold 20, the first bottom plate 111, the first panel 112 and the first ejector pin 113 are driven to move upwards, the first spring 114 is compressed, the first ejector pin 113 extends upwards out of the mold cavity 101, the second return pin 215 moves downwards under the action of the female mold 10, the second bottom plate 211, the second panel 212 and the second ejector pin 213 are driven to move downwards, the second spring 214 is stretched, the second ejector pin 213 extends downwards out of the mold cavity 101, the BTB connector 30 is injection-molded, and when the mold is opened after the injection molding is completed, the first bottom plate 111, the first panel 112 and the first ejector pin 113 move downwards under the elastic force of the first spring 114, so that the lower end of the first ejector pin 113 extends downwards into the mold cavity 101, and then against the upper surface of the injection molded BTB connector 30 and eject it out of the mold cavity 101, and at the same time, the second bottom plate 211, the second panel 212 and the second ejector pin 213 will move upward under the elastic force of the second spring 214, so that the second ejector pin 213 extends upward into the mold cavity 101, and then against the lower surface of the injection molded BTB connector 30 and eject it out of the mold cavity 101.

The utility model discloses a design focus lies in: the female die ejection mechanism is arranged in the female die and matched with the female die ejection mechanism to extend into the die cavity from top to bottom, when the female die is demolded, the female die ejection mechanism can extend into the die cavity from top to bottom and eject the connector after injection molding out of the die cavity, so that the connector can be smoothly demolded, the phenomenon of die pressing is avoided, the requirement on the surface roughness of the part of the female die is not required, and the production processing cost is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A BTB connector injection molding mold comprises a female mold and a male mold; the female die and the male die are combined to form a die cavity, a male die ejection mechanism is arranged in the male die, and the male die ejection mechanism extends into the die cavity from bottom to top; the method is characterized in that: the female die is internally provided with a female die ejection mechanism which extends into the die cavity from top to bottom.

2. A BTB connector injection molding mold according to claim 1, wherein: the female die is internally provided with a first mounting cavity, the female die ejection mechanism comprises a first bottom plate, a first panel and a first ejector pin, the first bottom plate and the first panel are fixed together and movably arranged in the first mounting cavity, the upper end of the first ejector pin is fixed between the first bottom plate and the first panel, and the lower end of the first ejector pin downwards extends into the die cavity.

3. A BTB connector injection molding mold according to claim 2, wherein: a first mounting hole is formed in the first panel, a first spring is arranged in the first mounting hole, and two ends of the first spring are respectively abutted between the inner top wall and the first bottom plate of the first mounting cavity.

4. A BTB connector injection molding mold according to claim 2, wherein: and a first return pin is fixed between the first bottom plate and the first panel, and extends out of the lower surface of the female die to be in contact with the upper surface of the male die.

5. A BTB connector injection molding mold according to claim 1, wherein: the male die is internally provided with a second mounting cavity, the male die ejection mechanism comprises a second bottom plate, a second panel and a second ejector pin, the second bottom plate and the second panel are fixed together and movably arranged in the second mounting cavity, the lower end of the second ejector pin is fixed between the second bottom plate and the second panel, and the upper end of the second ejector pin upwards extends into the die cavity.

6. A BTB connector injection molding mold in accordance with claim 5, wherein: the second mounting hole is formed in the inner top wall of the second mounting cavity, a second spring is arranged in the second mounting hole, and two ends of the second spring respectively support between the inner top wall of the second mounting hole and the second panel.

7. A BTB connector injection molding mold in accordance with claim 5, wherein: and a second return pin is fixed between the second bottom plate and the second panel, and extends out of the upper surface of the male die to be in contact with the lower surface of the female die.