CN219087393U

CN219087393U - High stability aluminum sheet half tone consent PCB board

Info

Publication number: CN219087393U
Application number: CN202223478648.9U
Authority: CN
Inventors: 沈海平; 沈哲; 严星冈; 韩建
Original assignee: Guangde Dongfeng Electronics Co ltd
Current assignee: Guangde Dongfeng Electronics Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-26
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a high-stability aluminum sheet screen plug hole PCB board which comprises a PCB substrate, wherein an upper PCB copper plate is arranged on the upper side of the PCB substrate, a lower PCB copper plate is arranged on the lower side of the PCB substrate, an upper PCB release plate is arranged on the upper side of the upper PCB release plate, an upper screen aluminum sheet is arranged on the upper side of the upper PCB release plate, a lower PCB release plate is arranged on the lower side of the lower PCB copper plate, and a lower screen aluminum sheet is arranged on the lower side of the lower PCB release plate. According to the utility model, resin plugholes of the PCB are controlled by arranging the screen aluminum sheets on two sides of the CB, so that the situation that resin through holes are not required to be plugged is avoided, the accurate resin plugholes of the PCB are realized by the aluminum sheets, a release plate is placed between the aluminum sheets and the PCB, the aluminum sheets and the PCB are conveniently separated, the aluminum sheets are fastened on the PCB by fastening and mounting the cutting, the high stability and high accuracy of the PCB plugholes are realized without easy falling off, the working efficiency and quality of the PCB plugholes are further improved, and the PCB plugholes have excellent technical practicability and application value.

Description

High stability aluminum sheet half tone consent PCB board

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a high-stability aluminum sheet screen plug hole PCB.

Background

Along with the high-speed development of electronic products, the PCB serving as a carrier of the electronic products is also developed at a high speed, new requirements are also put forward for the production and the structure of the PCB while the PCB is developed at a high speed, and the circuit has high density and light structure, so that blind hole plates, buried hole plates and multi-stage buried blind hole plates are generated to meet corresponding requirements, and the production process requirements and the production technology are strictly improved. At present, the solder resist is an important processing link in the PCB processing process, and the solder resist of a VIA hole (also called as a VIA hole) of the PCB is realized by adopting a hole plugging mode, which is a common process method.

In the production process of circuit boards, more and more customers choose to use resin plug holes to adapt to the development trend of dense circuits when manufacturing the HDI boards. The current resin plugging methods commonly used in the industry are: aluminum sheet plug hole, silk screen plug hole and resin plug hole machine plug hole. The aluminum sheet hole plugging and silk screen printing hole plugging are low in efficiency, selective hole plugging can be conducted, and the resin hole plugging machine is high in efficiency, but selective hole plugging cannot be conducted. An aluminum sheet screen plate hole plugging PCB with good stability, firm installation and strong hole plugging positioning performance needs to be designed to realize quick and accurate hole plugging.

Disclosure of Invention

The utility model aims to design a high-stability aluminum sheet screen plate hole plugging PCB, resin hole plugging of the PCB is controlled by arranging screen plate aluminum sheets on two sides of the CB, hole plugging without resin through holes is avoided, accurate resin hole plugging of the PCB is realized by the aluminum sheet screen plate, separation of the aluminum sheet and the PCB is facilitated by placing a release plate between the aluminum sheet and the PCB, high stability and high accuracy are realized when the aluminum sheet screen plate is fastened on the PCB without easily falling off by fastening and installing a cutting, and further the work efficiency and quality of the PCB hole plugging are improved.

In order to achieve the aim of the utility model, the technical scheme adopted is as follows:

the utility model provides a high stability aluminum sheet screen board jack PCB board, includes the PCB base plate, and the upside of PCB base plate is provided with the PCB copper, and the downside is provided with the lower PCB copper, and the upside of going up the PCB copper is provided with the PCB and leaves the board, and the upside of going up the PCB and leaving the board is provided with the aluminum sheet of upper screen, and the downside of lower PCB copper is provided with the lower PCB and leaves the board, and the downside of lower PCB is provided with the aluminum sheet of lower screen; the PCB substrate, the upper PCB copper plate and the lower PCB copper plate are provided with a plurality of coaxial through holes which penetrate through the PCB substrate, the upper PCB copper plate and the lower PCB copper plate, the upper screen aluminum sheet, the upper PCB release plate, the PCB substrate, the upper PCB copper plate, the lower PCB release plate and the lower screen aluminum sheet are provided with a plurality of through holes which penetrate through the upper screen aluminum sheet, the upper PCB release plate, the PCB substrate, the upper PCB copper plate, the lower PCB release plate and the lower screen aluminum sheet.

Preferably, the PCB through holes and the inner wall surfaces of the PCB through holes are provided with PCB conductive carbon paste, and the PCB conductive carbon paste passes through the PCB substrate to be electrically connected with the upper PCB copper plate and the lower PCB copper plate.

Preferably, the outer sides of the PCB conductive carbon paste are respectively provided with a plurality of square embedded bulges and a plurality of spherical embedded bulges at the positions of the upper PCB copper plate and the lower PCB copper plate, and the spherical embedded bulges are arranged between the square embedded bulges.

Preferably, a wedge-shaped plug hole groove is formed in the position, penetrating through the plug hole, of the PCB, between the upper screen aluminum sheet, the upper PCB release plate and the upper PCB copper plate, between the lower PCB release plate, between the lower screen aluminum sheet and the lower PCB copper plate, and is communicated with the PCB penetrating through the plug hole.

Preferably, the PCB penetrating through the upper screen aluminum sheet, the upper PCB release plate, the PCB substrate, the upper PCB copper plate, the lower PCB release plate and the lower screen aluminum sheet is filled with PCB hole filling resin.

Preferably, fastening installation slots are formed in two sides of the upper screen aluminum sheet and the lower screen aluminum sheet, and fastening installation cutting is arranged in each fastening installation slot.

The beneficial effects of the utility model are as follows: according to the high-stability aluminum sheet screen hole plugging PCB disclosed by the utility model, resin hole plugging of the PCB is controlled by arranging the screen aluminum sheets on two sides of the CB, so that the situation that resin holes are not required to be plugged is avoided, the accurate resin hole plugging of the PCB is realized by arranging the release plate between the aluminum sheets and the PCB, the aluminum sheets and the PCB are conveniently separated, the aluminum sheets are fastened on the PCB by fastening and installing the inserting strips, the high stability and the high accuracy in the process of plugging the PCB are realized, the working efficiency and the quality of the PCB hole are further improved, and the high-stability aluminum sheet screen hole plugging PCB has excellent technical practicability and application value.

Drawings

Fig. 1 is a schematic diagram 1 of a sectional structure of a high-stability aluminum sheet screen plug hole PCB board of the present utility model.

Fig. 2 is a schematic diagram of a sectional structure of the high-stability aluminum sheet screen plug hole PCB board of the present utility model 2.

In the figure: 1. a PCB substrate; 2. a PCB copper plate is arranged on the upper part; 3. a PCB release plate is arranged on the upper PCB; 4. a screen aluminum sheet is arranged; 5. a lower PCB copper plate; 6. a lower PCB release plate; 7. a screen aluminum sheet is arranged; 8. a PCB through hole; 9. the PCB penetrates through the plug hole; 10. PCB conductive carbon paste; 11. PCB hole plugging resin; 12. wedge-shaped plug hole grooves; 13. square embedded bulges; 14. spherical embedded protrusions; 15. fastening and installing the cutting; 16. the mounting slot is fastened.

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. 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.

Example 1

Referring to fig. 1, a high-stability aluminum sheet screen plug hole PCB board comprises a PCB substrate 1, wherein an upper PCB copper plate 2 is arranged on the upper side of the PCB substrate 1, a lower PCB copper plate 5 is arranged on the lower side of the PCB substrate 1, an upper PCB release plate 3 is arranged on the upper side of the upper PCB copper plate 2, an upper screen aluminum sheet 4 is arranged on the upper side of the upper PCB release plate 3, a lower PCB release plate 6 is arranged on the lower side of the lower PCB copper plate 5, and a lower screen aluminum sheet 7 is arranged on the lower side of the lower PCB release plate 6; the PCB baseplate 1, the upper PCB copper plate 2 and the lower PCB copper plate 5 are provided with a plurality of PCB through holes 8 which are coaxial and penetrate through the PCB baseplate 1, the upper PCB copper plate 2 and the lower PCB copper plate 5, the upper screen aluminum sheet 4, the upper PCB release plate 3, the PCB baseplate 1, the upper PCB copper plate 2, the lower PCB copper plate 5, the lower PCB release plate 6 and the lower screen aluminum sheet 7 are provided with a plurality of PCB through holes 9 which penetrate through the upper screen aluminum sheet 4, the upper PCB release plate 3, the PCB baseplate 1, the upper PCB copper plate 2, the lower PCB copper plate 5, the lower PCB release plate 6 and the lower screen aluminum sheet 7;

the PCB through holes 8 and the inner wall surfaces of the PCB through holes 9 are provided with PCB conductive carbon paste 10, the PCB conductive carbon paste 10 penetrates through the PCB substrate 1 to electrically connect the upper PCB copper plate 2 and the lower PCB copper plate 5, and the PCB through holes 9, which penetrate through the upper screen aluminum sheet 4, the upper PCB release plate 3, the PCB substrate 1, the upper PCB copper plate 2, the lower PCB copper plate 5, the lower PCB release plate 6 and the lower screen aluminum sheet 7, are internally filled with PCB hole plugging resin 11.

Referring to fig. 2, a high stability aluminum sheet screen hole plugging PCB board, the outer side of the PCB conductive carbon paste 10 is respectively provided with a plurality of square embedded protrusions 13 and a plurality of spherical embedded protrusions 14 on the upper PCB copper plate 2 and the lower PCB copper plate 5, the spherical embedded protrusions 14 are arranged between the square embedded protrusions 13, a wedge hole plugging groove 12 is formed between the upper screen aluminum sheet 4, the upper PCB release plate 3 and the upper PCB copper plate 2, the lower PCB release plate 6, the lower screen aluminum sheet 7 and the lower PCB copper plate 5 at the position of the PCB through hole 9, the wedge hole plugging groove 12 is communicated with the PCB through hole 9, the two sides of the upper screen aluminum sheet 4 and the lower screen aluminum sheet 7 are respectively provided with a fastening installation slot 16, and a fastening installation cutting 15 is installed in the fastening installation slot 16.

Working principle: firstly, drilling PCB (printed Circuit Board) penetrating through plug holes 9 of an upper screen aluminum sheet 4 and a lower screen aluminum sheet 7 by a numerical control drilling machine, and then manufacturing a screen, aligning the upper screen aluminum sheet 4 with the lower screen aluminum sheet 7 with a PCB, and then installing a fastening installation insert 15 in the upper screen aluminum sheet 4 and the lower screen aluminum sheet 7 by inserting a fastening installation slot 16 so as to firmly fix the upper screen aluminum sheet 4 and the lower screen aluminum sheet 7 on two sides of the PCB; the whole structure is placed under a resin hole plugging machine, and resin hole plugging is carried out by penetrating the PCB on the upper screen aluminum sheet 4 and the lower screen aluminum sheet 7 through the hole plugging 9, and the hole plugging is not disordered by the resin hole plugging machine due to shielding of the upper screen aluminum sheet 4 and the lower screen aluminum sheet 7 by the PCB through holes 8.

Example 2

This embodiment differs from embodiment 1 in that:

the upper PCB release plate 3 between the upper screen aluminum sheet 4 and the upper PCB copper plate 2 and the lower PCB release plate 6 between the lower screen aluminum sheet 7 and the lower PCB copper plate 5 are directly removed, so that the upper screen aluminum sheet 4 is in direct contact with the upper PCB copper plate 2 and the lower screen aluminum sheet 7 is in direct contact with the lower PCB copper plate 5.

According to the high-stability aluminum sheet screen plug hole PCB disclosed by the utility model, resin plug holes of the PCB are controlled by arranging screen aluminum sheets on two sides of the CB, so that the situation that resin through holes are not required to be plugged is avoided, the accurate resin plug holes of the PCB are realized by arranging a release plate between the aluminum sheets and the PCB, the aluminum sheets and the PCB are conveniently separated, the aluminum sheets are fastened on the PCB by fastening and installing the plug strips, the high stability and the high accuracy of the PCB plug holes are realized without easy falling off, the working efficiency and the quality of the PCB plug holes are further improved, and the high-stability aluminum sheet screen plug hole PCB has excellent technical practicability and application value.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high stability aluminum sheet screen printing plate hole plugging PCB board, its characterized in that: the PCB comprises a PCB substrate (1), wherein an upper PCB copper plate (2) is arranged on the upper side of the PCB substrate (1), a lower PCB copper plate (5) is arranged on the lower side of the PCB substrate, an upper PCB release plate (3) is arranged on the upper side of the upper PCB release plate (3), an upper screen aluminum sheet (4) is arranged on the upper side of the upper PCB release plate (3), a lower PCB release plate (6) is arranged on the lower side of the lower PCB copper plate (5), and a lower screen aluminum sheet (7) is arranged on the lower side of the lower PCB release plate (6);

PCB base plate (1), go up PCB copper (2) and down offer a plurality of coaxial and run through PCB base plate (1) on PCB copper (5), go up PCB perforation (8) of PCB copper (2) and lower PCB copper (5), go up screen aluminum sheet (4), go up PCB and leave board (3), PCB base plate (1), go up PCB copper (2), down PCB copper (5), down PCB and leave board (6) and lower screen aluminum sheet (7) on offer a plurality of and run through last screen aluminum sheet (4), go up PCB and leave board (3), PCB base plate (1), go up PCB copper (2), down PCB of PCB copper (5), down PCB from board (6) and lower screen aluminum sheet (7) run through jack (9).

2. The high stability aluminum sheet screen plug hole PCB of claim 1, wherein: the PCB through hole (8) and the inner wall surface of the PCB through hole (9) are provided with PCB conductive carbon paste (10), and the PCB conductive carbon paste (10) penetrates through the PCB substrate (1) to be electrically connected with the upper PCB copper plate (2) and the lower PCB copper plate (5).

3. The high stability aluminum sheet screen plug hole PCB of claim 2, wherein: the outer side of the PCB conductive carbon paste (10) is respectively provided with a plurality of square embedded bulges (13) and a plurality of spherical embedded bulges (14) on the upper PCB copper plate (2) and the lower PCB copper plate (5), and the spherical embedded bulges (14) are arranged between the square embedded bulges (13).

4. The high stability aluminum sheet screen plug hole PCB of claim 1, wherein: the upper screen aluminum sheet (4), the upper PCB release plate (3) and the upper PCB copper plate (2), the lower PCB release plate (6), the lower screen aluminum sheet (7) and the lower PCB copper plate (5) are provided with wedge-shaped plug hole grooves (12) at the positions of the PCB through plug holes (9), and the wedge-shaped plug hole grooves (12) are communicated with the PCB through plug holes (9).

5. The high stability aluminum sheet screen plug hole PCB of claim 1 or 4, wherein: the PCB penetrating plug hole (9) is internally filled with PCB plug hole resin (11) through the upper screen aluminum sheet (4), the upper PCB release plate (3), the PCB substrate (1), the upper PCB copper plate (2), the lower PCB copper plate (5), the lower PCB release plate (6) and the lower screen aluminum sheet (7).

6. The high stability aluminum sheet screen plug hole PCB of claim 1, wherein: fastening installation slots (16) are formed in two sides of the upper screen aluminum sheet (4) and the lower screen aluminum sheet (7), and fastening installation cutting (15) are arranged in the fastening installation slots (16).