CN219204854U

CN219204854U - Universal backing plate of PCB

Info

Publication number: CN219204854U
Application number: CN202223185415.XU
Authority: CN
Inventors: 曾建华; 陆锡雄; 黄振瑞; 郑家平; 李俊
Original assignee: Jiangmen Glory Faith Pcb Co ltd
Current assignee: Jiangmen Glory Faith Pcb Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-16
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a universal backing plate of a PCB, which comprises a base plate, support nails and positioning nails; the substrate is square, a plurality of positioning holes are formed in the edge of the substrate, and dense matrix holes are formed in the substrate; the support nails are arranged in the matrix holes, the number of the support nails is smaller than that of the matrix holes, and the support nails are used for supporting the PCB; the locating nails are arranged in the locating holes and used for locating the PCB. Through setting up the support nail for the PCB board can be placed on the support nail, and can not with backing plate direct contact, reduced the PCB board and damaged because of friction backing plate, make simultaneously between PCB board and the backing plate to form the space, help the air discharge in the PCB board hole when the jack-in operation, make things convenient for the staff to carry out the jack-in operation. Meanwhile, the universal backing plate can adapt to the PCB with different hole sites, and the manufacturing cost and the storage cost are effectively reduced.

Description

Universal backing plate of PCB

Technical Field

The utility model relates to the field of manufacturing of PCB boards, in particular to a universal backing plate of a PCB board.

Background

The solder resist is a relatively complex and key procedure in the PCB manufacturing process, and uses a silk screen printing mode to cover the circuits and the bonding pads which do not need to be exposed by photosensitive oil, thereby playing roles of beautifying the appearance, insulating and preventing oxidation. Most circuit boards need to be plugged when green oil is produced, and a common factory adopts plugging materials such as aluminum sheets or silk screen plugging and tape printing technology, so that plugging difficulty can occur due to interference of air and table boards in holes if the boards are directly placed in the table board plugging holes of a screen printer no matter what the plugging materials or silk screen plugging and tape printing method are plugged.

The traditional solution is to prepare an auxiliary hole plugging of the air guide cushion plate, and the manufacturing method of the air guide cushion plate comprises the following steps: preparing a substrate, marking holes needing to be plugged with oil at corresponding positions on the substrate, then drilling, customizing hole positions of the base plates according to the PCB needing to be produced, and not only wasting a large amount of manpower and material resources, but also needing to store a large amount of space, wherein other PCB with different hole positions cannot be used.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the universal backing plate for the PCB can replace fixed position holes through dense matrix holes, so that the backing plate can adapt to the PCBs in different hole positions, and the manufacturing cost and the storage cost are effectively reduced.

The technical scheme adopted for solving the technical problems is as follows:

a universal backing plate of PCB board comprises a base plate, a support nail and a positioning nail;

the substrate is square, a plurality of positioning holes are formed in the edge of the substrate, and dense matrix holes are formed in the substrate;

the support nails are arranged in the matrix holes, the number of the support nails is smaller than that of the matrix holes, and the support nails are used for supporting the PCB;

the locating nails are arranged in the locating holes and used for locating the PCB. The universal backing plate of the PCB provided by the embodiment of the utility model has at least the following beneficial effects: through setting up the base plate of direction and setting up a plurality of locating holes and locating nail for the PCB board can be fixed on the base plate through the locating nail, make can not rock the PCB board to carry out the jack operation in-process, the stability of operation has been increased, through setting up the support nail, make the PCB board can place on the support nail, and can not with backing plate direct contact, the PCB board has reduced because of friction backing plate damages, simultaneously make and form the space between PCB board and the backing plate, help the air discharge in the PCB board hole when the jack operation, the convenience staff carries out the jack operation, the universal backing plate can adapt to the PCB board of different hole sites simultaneously, effectively reduce cost of manufacture and storage cost.

According to some embodiments of the utility model, the substrate is a decoppered substrate. The thickness of the substrate is 1.2mm-1.5mm. At least one support pin is required to be mounted on the base plate every 5 square centimeters.

The beneficial effects are that: an important variety of common rigid substrate materials is copper clad laminate. It is made up by using reinforcing material, soaking it in resin adhesive, drying, cutting, laminating to obtain blank, then covering copper foil, using steel plate as mould and making them pass through the processes of high-temp. high-pressure forming treatment in hot press. The copper-removed substrate is a product of the plate after copper foil is removed, and the universal backing plate of the PCB only needs strength as the universal backing plate does not need a conductive function, so that the manufacturing cost can be effectively reduced by selecting the copper-removed substrate, and meanwhile, the strength of the substrate can be ensured.

According to some embodiments of the utility model, the support pin comprises a support knob and a support base, the support knob for supporting the PCB board.

The beneficial effects are that: through setting up support button head and support base for the support button head of support nail can pass the base plate and then support the PCB board, and support the back that the base can be fixed in the base plate through not coming unstuck red glue.

According to some embodiments of the utility model, the locating stud comprises a locating tack and a locating base, the locating tack being used to locate the PCB.

The beneficial effects are that: through setting up location crew cut and positioning base for the location crew cut can pass the base plate, and the PCB board is provided with the hole that corresponds with the locating nail position, and through inserting the hole on the PCB board in the location crew cut of corresponding position and then fix a position the PCB board.

According to some embodiments of the utility model, the length of both the support knob and the locating knob is greater than the thickness of the substrate.

The beneficial effects are that: the supporting round head and the positioning flat head can be higher than the base plate, thereby achieving the purposes of supporting and positioning

According to some embodiments of the utility model, the support base and the positioning base are secured to the back side of the substrate by a non-adhesive red glue.

The beneficial effects are that: through using not coming unstuck red glue with support base and positioning base be fixed in the base plate back, played the effect of fixing locating nail and support nail for locating nail and support nail can not follow the base plate and drop.

According to some embodiments of the utility model, the substrate is further provided with error proofing holes. The locating nail is installed in the mistake proofing hole, and the locating nail is used for preventing the PCB board from being reversely assembled with the mistake proofing hole.

The beneficial effects are that: install on the mistake proofing hole through using the locating nail for the installation of PCB board can only fix an installation direction, if PCB reverse installation then unable installation inserts the locating nail with the PCB board in, has played the purpose of mistake proofing.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a top view of an embodiment of the present utility model;

fig. 2 is a side view of an embodiment of the present utility model.

Reference numerals: the device comprises a substrate 100, a positioning hole 110, a matrix hole 120, a support nail 130, a positioning nail 140, a support round head 150, a support base 160, a positioning flat head 170, a positioning base 180, a non-degummed red glue 190 and an error-proofing hole 200.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A general purpose pad of a PCB board is described in detail with reference to fig. 1-2 in a specific embodiment. It is to be understood that the following description is exemplary only and is not intended to limit the utility model in any way.

As shown in fig. 1-2, a universal pad for a PCB board includes a base plate 100, support pins 130 and positioning pins 140;

the substrate 100 is square, a plurality of positioning holes 110 are formed in the edge of the substrate 100, and dense matrix holes 120 are formed in the substrate 100;

the support nails 130 are arranged in the matrix holes 120, the number of the support nails 130 is smaller than that of the matrix holes 120, and the support nails 130 are used for supporting the PCB;

the positioning nails 140 are provided in a plurality and installed in the positioning holes 110, and the positioning nails 140 are used for positioning the PCB.

In some embodiments of the present utility model, the substrate 100 with the direction is arranged, and the positioning holes 110 and the positioning nails 140 are arranged, so that the PCB board can be fixed on the substrate 100 through the positioning nails 140, thereby achieving the positioning effect, meanwhile, the PCB board can not shake during the hole plugging operation of the PCB board, the stability of the operation is increased, the support nails 130 are arranged, so that the PCB board can be placed on the support nails 130 without directly contacting with the backing plate, the damage of the PCB board due to the friction backing plate is reduced, meanwhile, a gap is formed between the PCB board and the backing plate, the air in the hole of the PCB board is facilitated to be discharged during the hole plugging operation, and the hole is drilled on the substrate 100, so that the hole plugging material can be plugged into the hole after passing through the PCB board during the hole plugging operation, thereby avoiding the hole plugging failure caused by the interference of the backing plate, facilitating the hole plugging operation of staff, and meanwhile, the universal backing plate can adapt to the PCB boards with different hole positions, thereby effectively reducing the manufacturing cost and the storage cost.

Specifically, the substrate 100 is a decoppered substrate. The thickness of the substrate 100 is 1.2mm-1.5mm. At least one support pin 130 is required to be installed every 5 square centimeters of the base plate 100.

In some embodiments of the present utility model, an important variety of materials for the substrate 100 is copper clad laminate in general. It is made up by using reinforcing material, soaking it in resin adhesive, drying, cutting, laminating to obtain blank, then covering copper foil, using steel plate as mould and making them pass through the processes of high-temp. high-pressure forming treatment in hot press. The copper-removed substrate is a product of the plate with the copper foil removed, and the strength of the universal backing plate of the PCB is only required because the universal backing plate does not need a conductive function, so that the manufacturing cost can be effectively reduced by selecting the copper-removed substrate, and the strength of the substrate 100 can be ensured.

In addition, the support pin 130 includes a support knob 150 and a support base 160, the support knob 150 for supporting the PCB board. The positioning nail 140 includes a positioning flat head 170 and a positioning base 180, the positioning flat head 170 is used for positioning the PCB board, and the lengths of the supporting round head 150 and the positioning flat head 170 are both greater than the thickness of the substrate 100.

In some embodiments of the present utility model, the supporting round heads 150 and the supporting base 160 are provided, so that the supporting round heads 150 of the supporting nails 130 can penetrate through the substrate 100 to support the PCB board, and the supporting base 160 can be fixed to the back surface of the substrate 100 by the non-adhesive red glue 190. By arranging the positioning flat head 170 and the positioning base 180, the positioning flat head 170 can penetrate through the substrate 100, the PCB is provided with holes corresponding to the positions of the positioning nails 140, and the PCB is positioned by inserting the holes on the PCB into the positioning flat head 170 at the corresponding positions. The supporting round head 150 and the positioning flat head 170 can be higher than the substrate 100, thereby achieving the purpose of supporting and positioning

Specifically, the support base 160 and the positioning base 180 are fixed to the back surface of the substrate 100 by the non-adhesive red glue 190.

In some embodiments of the present utility model, the fixing of the positioning pins 140 and the support pins 130 by fixing the support base 160 and the positioning base 180 to the back surface of the substrate 100 using the non-adhesive red glue 190 functions such that the positioning pins 140 and the support pins 130 do not fall off from the substrate 100.

Preferably, the substrate 100 is further provided with error-proofing holes 200. The positioning nail 140 is installed in the error-proof hole 200, and the positioning nail 140 and the error-proof hole 200 are used for preventing the PCB from being reversely installed.

In some preferred embodiments of the present utility model, the positioning pins 140 are installed on the error-proofing holes 200, so that the installation of the PCB board can only fix one installation direction, and if the PCB is reversely installed, the insertion of the PCB board into the positioning pins 140 cannot be installed, thereby achieving the purpose of error proofing.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A universal backing plate for a PCB board, comprising:

the substrate (100) is square, a plurality of positioning holes (110) are formed in the edge of the substrate (100), and dense matrix holes (120) are formed in the substrate (100);

the support nails (130) are arranged in the matrix holes (120), the number of the support nails (130) is smaller than that of the matrix holes (120), and the support nails (130) are used for supporting the PCB;

the locating nails (140) are arranged in the locating holes (110), and the locating nails (140) are used for locating the PCB.

2. The universal pad for PCB boards of claim 1, wherein the substrate (100) is a decoppered substrate.

3. The universal pad for PCB boards according to claim 1, wherein the thickness of the substrate (100) is 1.2mm-1.5mm.

4. The universal pad for PCB boards of claim 1, wherein the base plate (100) mounts at least one of the support pins (130) every 5 square centimeters.

5. The universal pad of a PCB board according to claim 1, wherein the support pins (130) comprise a support knob (150) and a support base (160), the support knob (150) passing through the substrate (100), the support knob (150) being for supporting the PCB board.

6. The universal pad of a PCB board of claim 5, wherein the locating pin (140) comprises a locating flat head (170) and a locating base (180), the locating flat head (170) passing through the substrate (100), the locating flat head (170) being used for locating the PCB board.

7. The universal pad for PCB boards of claim 6, wherein the length of the support knob (150) and the locating flat head (170) are both greater than the thickness of the substrate (100).

8. The universal pad of a PCB board of claim 6, wherein the support base (160) and the positioning base (180) are fixed to the back of the substrate (100) by non-adhesive red glue (190).

9. The universal pad for PCB boards according to claim 1, wherein the base plate (100) is further provided with a plurality of error proofing holes (200).

10. The universal backing plate of a PCB board according to claim 9, wherein the positioning pins (140) are installed in the error-proof holes (200), and the positioning pins (140) and the error-proof holes (200) are used for preventing the reverse installation of the PCB board.