Screen printing nail bed for circuit board

Abstract

The utility model discloses a circuit board silk-screen nail bed, which comprises a base plate, a waste film fixedly bonded with the base plate through an adhesive tape, a plurality of positioning nail holes arranged on the base plate and the waste film, positioning nails correspondingly arranged in the positioning nail holes, and a plurality of silk-screen nails bonded on the waste film, and the silk-screen nails are used for supporting a circuit board to be silk-screen. The circuit board silk-screen nail bed provided by the utility model adopts the scrapped film to replace a copper-clad plate, so that the manufacturing cost of the nail bed is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board manufacturing, in particular to a circuit board silk screen nail bed. Background Art

[0002] As circuit board technology matures and competition among circuit board manufacturers becomes increasingly fierce, the production profit of circuit boards is getting lower and lower. How circuit board companies can continuously improve and perfect their production technology, production methods, and production materials during the production process, reduce resource waste during the production process of circuit boards, save production inputs, reduce production costs, and increase profits is a long-term problem that all circuit board companies need to face.

[0003] According to the raw material analysis of circuit board manufacturers, copper clad laminate accounts for about 37% of the production cost. In the production process of circuit board solder mask, the traditional nail bed is generally made of copper clad laminate. The copper clad laminate of the incoming material is cut into a size about 15cm larger than the length and width of the production board, and then holes are drilled according to the pre-prepared nail bed data to complete the nail bed production. The traditional nail bed production method increases the overall manufacturing cost of circuit board companies because of the use of copper clad laminate.

[0004] In view of this, it is necessary to provide a new nail bed structure to solve the above technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a circuit board silk screen nail bed, which adopts scrapped films to replace copper clad plates, thereby saving the manufacturing cost of the nail bed.

[0006] The technical solution of the utility model is as follows:

[0007] A circuit board screen printing nail bed comprises a pad, waste film bonded to the pad by tape, a plurality of positioning nail holes provided on the pad and the waste film, a positioning nail corresponding to each positioning nail hole and used for positioning the circuit board to be screen printed, and a plurality of screen printing nails bonded to the waste film, wherein the screen printing nails are used to support the circuit board to be screen printed.

[0008] Furthermore, the positioning pin includes a pin head, a fixing part and a positioning part which are connected in sequence, the pin head is embedded in the positioning pin hole, the fixing part is sheet-shaped, one side of which is supported on the pad, and the other side is fixed to the back side of the waste film by adhesive tape, and the positioning part is used to hang the circuit board to be screen-printed.

[0009] Furthermore, the positioning portion includes a first connecting portion connected to the fixing portion, and a second connecting portion integrally formed with the first connecting portion, the diameter of the second connecting portion is smaller than that of the first connecting portion, and the circuit board to be screen-printed passes through the second connecting portion and is supported by the end of the first connecting portion.

[0010] Furthermore, the silk-screen nail comprises a sheet-like nail plate and a nail body arranged on the sheet-like nail plate, and the sheet-like nail plate and the waste film are bonded and fixed by means of an adhesive tape.

[0011] Furthermore, an end of the nail body and an end of the first connecting portion are located on the same horizontal line.

[0012] Furthermore, the base plate is made of a waste bottom plate with holes.

[0013] Furthermore, there are four positioning nail holes, which are distributed at the four corners of the pad and the waste film.

[0014] Compared with the prior art, the circuit board silk screen nail bed provided by the utility model has the following beneficial effects:

[0015] 1. The circuit board silk screen nail bed provided by the utility model adopts waste film to replace the current copper clad plate, thereby reducing the cost.

[0016] 2. The utility model provides a circuit board silk screen nail bed, and the base plate is made of a waste base plate with holes, which also saves costs. The silk screen nails are bonded to the waste film, and the waste film is bonded and fixed to the base plate, so that the base plate can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a structural schematic diagram of the circuit board silk screen nail bed of the utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the structure of the circuit board silk screen nail bed from another angle shown;

[0020] Figure 3 yes Figure 2 Enlarged view of part A in . DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention and to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are further described below.

[0022] It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each embodiment of the present invention described below can be combined with each other as long as there is no conflict between them.

[0023] Please refer to Figure 1 and Figure 2 ,in Figure 1 It is a structural schematic diagram of the circuit board silk screen nail bed of the utility model. Figure 2 yes Figure 1 The schematic diagram of the structure of the circuit board silk screen nail bed from another angle is shown. The circuit board silk screen nail bed 100 of the utility model comprises a backing plate 1, a waste film 2 bonded and fixed to the backing plate 1 by an adhesive tape, a plurality of positioning nail holes 3 provided on the backing plate and the waste film, a positioning nail 4 corresponding to each positioning nail hole 3, and a plurality of silk screen nails 5 bonded to the waste film, wherein the positioning nail 4 is used to position the circuit board 200 to be silk screened, and the silk screen nail 5 is used to support the circuit board 200 to be silk screened.

[0024] In this embodiment, the backing plate 1 uses a waste drilled bottom plate, and the waste film 2 replaces the copper clad plate in the prior art. Both are waste materials, which reduces the manufacturing cost of the nail bed. The processing method of the positioning nail holes 3 on the backing plate 1 and the waste film 2 is as follows:

[0025] Take a piece of waste film, and then take two pieces of waste base plates with holes of the same size as the waste film, and stick them up and down with adhesive tape to fix the film in the middle of the two base plates;

[0026] Then stick the waste base plate and film together and drill the positioning nail holes according to the engineering data;

[0027] Take out the waste film and use one of the base plates as a backing plate.

[0028] There are four positioning nail holes 3, which are distributed at the four corners of the backing plate and the waste film.

[0029] See also Figure 3 ,yes Figure 2 In the present invention, the positioning pin 4 includes a pin head 41, a fixing part 42 and a positioning part 43 which are connected in sequence. The pin head 41 is embedded in the positioning pin hole 3, the fixing part 42 is used to fix the waste film to fix the positioning pin, and the positioning part 43 is used to hang the circuit board 200 to be screen printed.

[0030] Specifically, the fixing portion 42 is in the shape of a sheet, one side of which is supported on the backing plate 1 , and the other side of which is bonded and fixed to the back side of the waste film by means of an adhesive tape.

[0031] The positioning portion 43 includes a first connection portion 431 connected to the fixing portion 42 and a second connection portion 432 integrally formed with the first connection portion 431, and the diameter of the second connection portion 432 is smaller than that of the first connection portion 431. The silk-screen printed circuit board passes through the second connection portion 432 and is supported on the end of the first connection portion 431 to position the circuit board.

[0032] The screen printing nail 5 comprises a sheet nail plate 51 and a nail body 52 arranged on the sheet nail plate, and the sheet nail plate 51 is fixed to the waste film 2 by adhesive tape. The end of the nail body 52 is located at the same horizontal line as the end of the first connecting part 431, and is used to support the circuit board.

[0033] The circuit board silk screen nail bed provided by the utility model adopts waste films to replace the existing copper clad plates, thereby reducing costs; the base plate adopts the waste bottom plate with holes, which also saves costs; the silk screen nails are bonded to the waste films, and the waste films are bonded and fixed to the base plate, so that the base plate can be reused.

[0034] The above is a detailed description of the embodiments of the present invention, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations made to these embodiments without departing from the principle and spirit of the present invention still fall within the scope of protection of the present invention.

Claims

1. A circuit board screen printing nail bed, characterized in that: It includes a pad, waste film fixed to the pad by adhesive tape, a plurality of positioning pin holes provided on the pad and the waste film, a positioning pin corresponding to each positioning pin hole and used for positioning the circuit board to be screen-printed, and a plurality of screen-printing pins bonded to the waste film, wherein the screen-printing pins are used to support the circuit board to be screen-printed.

2. The circuit board screen printing nail bed according to claim 1, characterized in that: The positioning pin includes a pin head, a fixing part and a positioning part which are connected in sequence, the pin head is embedded in the positioning pin hole, the fixing part is sheet-shaped, one side of which is supported on the pad, and the other side is bonded and fixed to the back side of the waste film by tape, and the positioning part is used to hang the circuit board to be screen-printed.

3. The circuit board screen printing nail bed according to claim 2, characterized in that: The positioning portion includes a first connection portion connected to the fixing portion, and a second connection portion integrally formed with the first connection portion, wherein the diameter of the second connection portion is smaller than that of the first connection portion, and the circuit board to be screen-printed passes through the second connection portion and is supported by the end of the first connection portion.

4. The circuit board screen printing nail bed according to claim 3, characterized in that: The silk-screen nail comprises a sheet-shaped nail plate and a nail body arranged on the sheet-shaped nail plate, and the sheet-shaped nail plate is bonded and fixed to the waste film by means of an adhesive tape.

5. The circuit board screen printing nail bed according to claim 4, characterized in that: The end of the nail body and the end of the first connecting portion are located on the same horizontal line.

6. The circuit board screen printing nail bed according to any one of claims 1 to 5, characterized in that: The base plate is made of a waste bottom plate with holes.

7. The circuit board screen printing nail bed according to any one of claims 1 to 5, characterized in that: There are four positioning nail holes, which are distributed at the four corners of the pad and the waste film.

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