CN217705052U

CN217705052U - Composite grinding table top base plate in PCB industry

Info

Publication number: CN217705052U
Application number: CN202220761924.3U
Authority: CN
Inventors: 陈玉凌
Original assignee: Kunshan Sancheng Electronic Technology Co ltd
Current assignee: Kunshan Sancheng Electronic Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-11-01
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a composite grinding table board pad in PCB industry, which is formed by sequentially and compositely interlacing at least one layer of brand new pure wood pulp paper-based prepreg layer and at least one layer of regenerated pulp paper-based prepreg layer; the fully-new pure wood pulp paper-based prepreg layer is one or more prepregs obtained by obtaining impregnated paper from pure wood pulp through a papermaking process, then impregnating phenolic resin and drying, and the regenerated pulp paper-based prepreg layer is one or more prepregs obtained by impregnating the impregnated paper from plant recycled regenerated pulp through the papermaking process, then drying. Mesa backing plate has not only reduced ligneous use amount as the composite bed through adopting regeneration thick liquid preparation prepreg, has protected natural environment and view, adopts cheaper and the available regeneration thick liquid everywhere of cost to reduce manufacturing cost moreover, and the preparation need not bleaching simultaneously, has reduced air pollution, and it is succinct to have a structure, and the cost of manufacture is low, advantages such as green.

Description

Composite grinding table top base plate in PCB industry

Technical Field

The utility model relates to a PCB processing technology field, specific saying so relates to a compound grinding table face backing plate of PCB trade.

Background

In the production process of the PCB industry, drilling and milling machine equipment such as a drilling machine and a forming machine (milling machine/milling machine) is required to be used, a grinding table board base plate is an indispensable auxiliary material when the machine carries out production operation, the grinding table board base plate has the main function of serving as a table board base plate above a machine bearing platform steel plate, the purpose is to serve as a bearing platform when a PCB product is processed, the PCB and an bakelite plate are effectively connected through fixed connection of pins, the machine can scan, position and process the PCB conveniently, and the PCB drilling or forming processing process is completed.

At present, in cellulose paper used as an upstream material of a base plate of a grinding table board in the production of PCB industry, wood pulp cellulose is preferably used as a preferred reinforcing material due to the characteristics of long length, high flexibility and the like, so that people cut down a large number of forest trees to cause the damage of natural environment, such as water and soil loss, air pollution, landscape extinction and the like.

Disclosure of Invention

In order to overcome the defects, the utility model provides a compound grinding mesa backing plate of PCB trade adopts regeneration pulp paper base prepreg and the compound mesa backing plate that forms of brand-new pure wood pulp paper base prepreg, not only greatly reduced the use of pure wood pulp, reduced ligneous consumption, reduced the cost of manufacture moreover.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a composite grinding table top base plate in the PCB industry is formed by sequentially and alternately compounding at least one brand new pure wood pulp paper-based prepreg layer and at least one regenerated pulp paper-based prepreg layer; the all-new pure wood pulp paper-based prepreg layer is one or more prepregs obtained after pure wood pulp is subjected to paper making process to obtain impregnated paper, then is impregnated with phenolic resin and is dried, and the regenerated pulp paper-based prepreg layer is one or more prepregs obtained after plant recycled regenerated pulp is subjected to paper making process to obtain impregnated paper, then is impregnated with phenolic resin and is dried.

As the utility model discloses a further improvement, pure wood pulp paper base prepreg layer is the sola prepreg entirely new, and its colour is one of white, brown, black and yellow.

As the utility model discloses a further improvement, the compound prepreg that forms of full new pure wood pulp paper base prepreg layer for many concolorous or different colours, its colour is one of white, brown, black and yellow.

As a further improvement of the utility model, the all-new pure wood pulp paper base prepreg layer is formed by compounding 1-30 prepregs, and the gram weight of the impregnation body paper adopted during production is 80-160G.

As a further improvement of the utility model, the pure wood pulp paper base prepreg layer of new total is that 3-20 prepregs are compound to form, and the grammes per square metre of the impregnation body paper that adopts during production is 100-150G, the thickness of pure wood pulp paper base prepreg layer of new total after high temperature high pressure molding is 0.2-6MM.

As a further improvement of the utility model, the regenerated pulp paper base prepreg layer adopts the regenerated pulp is retrieved to plant class and is one kind at least plant class thick liquids in wood, bamboo, grass, cotton, the numb.

As a further improvement, the recycled pulp paper-based prepreg layer is a single prepreg, and the color thereof is one of white, brown, black and yellow.

As a further improvement, the recycled pulp paper-based prepreg layer is formed by compounding a plurality of prepregs with the same color or different colors, and the color of the prepreg layer is white, brown, black or yellow.

As a further improvement of the utility model, the regenerated pulp paper base prepreg layer is formed by compounding 1-80 prepregs, and the gram weight of the impregnation base paper adopted during production is 80-160G.

As a further improvement of the utility model, the regenerated pulp paper base prepreg layer is formed by compounding 35-75 prepregs, and the gram weight of the impregnation base paper adopted in production is 100-140G; the thickness of the regenerated pulp paper-based prepreg layer after high-temperature and high-pressure molding is 0.2-16MM.

The beneficial effects of the utility model are that: firstly, the demand for cutting down forest trees is reduced, and the natural environment and landscape are protected; secondly, regenerated pulp which is lower in cost and available everywhere is adopted as a papermaking raw material, so that the cost of a finished product is reduced, and the market competitiveness of the product is improved; and thirdly, the raw impregnated paper for grinding the bakelite board on the table top does not need bleaching treatment, namely, the pulp is natural and natural, the brand-new pure wood pulp bleaching process needs hazardous chemical raw materials such as high-concentration hydrogen peroxide solution and alkali solution, so that the risk of explosion and corrosion easily occurs, a large amount of fresh water is consumed, a large amount of waste gas generated in the production process pollutes air, a large amount of generated hazardous chemical wastewater needs professional treatment, and great water resource waste and water pollution are caused.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.

The following description is made with reference to the accompanying drawings:

01. a fully new pure wood pulp paper-based prepreg layer; 02. and (4) regenerating a pulp paper base prepreg layer.

Detailed Description

The following description of a preferred embodiment of the present invention will be made in conjunction with the accompanying drawings.

Referring to fig. 1-3, for the composite grinding table board pad in the PCB industry, the pad is formed by alternately stacking at least one layer of brand-new pure wood pulp paper base prepreg layer 01 and at least one layer of recycled pulp paper base prepreg layer 02. In the embodiment 1 shown in fig. 1, a layer of all-new pure wood pulp paper-based prepreg layer 01 and a layer of regenerated pulp paper-based prepreg layer 02 are laminated and compounded. Fig. 2 shows an embodiment 2, in which an all-new pure wood pulp paper-based prepreg layer 01 is one or more prepregs obtained by obtaining impregnated paper from pure wood pulp through a paper making process, impregnating the impregnated paper with a phenolic resin, and drying the impregnated paper.

The pure wood pulp is used for producing impregnated paper according to the process standard of the impregnated paper, the gram weight of the impregnated paper is 80-160G, most preferably 100-150G, the impregnated paper is used as a reinforcing material, phenolic resin is impregnated by special coating equipment (a glue spreader), and the impregnated paper is lightly dried to prepare prepregs with certain technical parameters, the color of the prepregs can be blended and prepared according to the requirements of market clients, the prepregs usually have orange color, brown color, yellow color, black color and the like, during compounding operation, the number of used prepregs in the brand new pure wood pulp paper-based prepreg layer 01 is 1-30, preferably 3-20, and the thickness of the brand new pure wood pulp paper-based prepreg layer 01 after high-temperature and high-pressure molding is 0.2-6.

The regenerated pulp paper-based prepreg layer 02 is one or more prepregs which are obtained by impregnating impregnated paper obtained by plant recycled pulp through a papermaking process, impregnating phenolic resin and drying. The plant recycled and regenerated pulp comprises one or more than two composite pulp of wood pulp, bamboo pulp, grass pulp, cotton pulp, hemp pulp and grass pulp, and the regenerated pulp paper-based prepreg is produced according to the same production process standard as the brand-new pure wood pulp paper-based prepreg layer 01, and the color of the regenerated pulp paper-based prepreg is usually natural color, brown color, yellow color, black color and the like. The regenerated impregnated base paper is generally produced by adopting paper with the gram weight of between 80 and 160 grams, most preferably paper with the gram weight of between 100 and 140 grams, when the regenerated impregnated base paper is compounded with a brand-new pure wood pulp paper base prepreg layer 01, the quantity of the single prepreg of the regenerated pulp paper base prepreg layer 02 is 1 to 80, most preferably 35 to 75, and the thickness of each layer of the regenerated pulp paper base prepreg layer 02 is between 0.2 and 16MM after high-temperature and high-pressure molding.

When the fully new pure wood pulp paper-based prepreg layer 01 and the regenerated pulp paper-based prepreg layer 02 are compounded, two layers are combined as shown in figure 1, three layers are combined as shown in figure 2, or five layers are combined as shown in figure 3, more layers can be selected for compounding, the same color is preferably combined when different layers are compounded, the product, namely the finished product, is in one body and has the same color, and color-wrong combination can be carried out according to the requirement, namely, prepregs with different colors are compounded according to the structure, and then the product with wrong color is formed by high-temperature high-pressure molding, wherein the product comprises, but not limited to, orange color and brown color, yellow color and brown color, and orange color and yellow color or more than three colors.

The fully-new pure wood pulp paper-based prepreg layer 01 and the regenerated pulp paper-based prepreg layer 02 are combined in the same color or different colors according to different composite structure modes to be pre-laminated into a bakelite plate laminated blank with a certain weight or thickness, and then the bakelite plate laminated blank is subjected to hot press molding by high-temperature and high-pressure equipment (a hot press). The formed composite board has any one of orange, brown, black and yellow or more than two staggered colors and is superposed according to different colors of the prepregs. The thickness of the formed composite board raw material varies from 0.2 MM to 20MM, and is most preferably 8 MM to 16MM. The hot-pressed composite board can be used as a raw material of a grinding table base plate used by drilling and milling equipment in the PCB industry. The composite board is subjected to numerical control processing, such as cutting, drilling and milling of hole grooves, sanding, grinding and other processes, and a finished product of the composite grinding table board base plate suitable for the PCB industry is manufactured.

To sum up, the utility model discloses a reduce the consumption use amount of pure wood pulp paper of all new in grinding mesa backing plate traditional structure, change into the regeneration thick liquid of various recovery papers commonly used in the society and the annual plant in the herbaceous thick liquid arbitrary one or the mixture thick liquid between them and make the flooding body paper, form regeneration thick liquid paper base prepreg layer. Firstly, the demand for cutting forest trees is reduced, and the natural environment and landscape are protected; secondly, regenerated pulp which is lower in cost and available everywhere is adopted as a papermaking raw material, so that the cost of a finished product is reduced, and the market competitiveness of the product is improved; thirdly, the original impregnated paper for grinding the bakelite plate on the table top does not need to be bleached, the paper is directly made of natural color of pulp, the brand-new pure wood pulp bleaching process needs hazardous chemical raw materials such as high-concentration hydrogen peroxide solution and alkali solution, explosion and corrosion risks are easy to occur, a large amount of fresh water is consumed, a large amount of waste gas generated in the bleaching production process pollutes air, a large amount of generated hazardous chemical wastewater contains professional treatment, and great water resource waste and water pollution are caused.

Therefore, the mesa backing plate has not only reduced ligneous use amount as the composite bed through adopting regeneration thick liquid preparation prepreg, has protected natural environment and view, adopts cheaper and everywhere available regeneration thick liquid of cost to reduce manufacturing cost moreover, and the preparation need not the bleaching simultaneously, has reduced air pollution, and it is succinct to have the structure, and the cost of manufacture is low, advantages such as green.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The foregoing description is that of the preferred embodiment of the invention only, and the invention can be practiced in many ways other than as described herein, so that the invention is not limited to the specific implementations disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a compound grinding mesa backing plate of PCB trade which characterized in that: the table board pad is formed by sequentially and alternately compounding at least one brand new pure wood pulp paper-based prepreg layer (01) and at least one regenerated pulp paper-based prepreg layer (02); the novel pure wood pulp paper-based prepreg layer (01) is one or more prepregs obtained after pure wood pulp is subjected to paper making process to obtain impregnated paper and then is impregnated with phenolic resin and dried, and the regenerated pulp paper-based prepreg layer (02) is one or more prepregs obtained after plant recycled regenerated pulp is subjected to paper making process to obtain impregnated paper, then is impregnated with phenolic resin and dried.

2. The PCB industry composite grinding table top pad of claim 1, wherein: the brand-new pure wood pulp paper-based prepreg layer (01) is a single prepreg, and the color of the single prepreg is one of white, brown, black and yellow.

3. The PCB industry composite grinding table top pad of claim 1, wherein: the all-new pure wood pulp paper-based prepreg layer (01) is formed by compounding a plurality of prepregs with the same color or different colors, and the color of the prepreg layer is one of white, brown, black and yellow.

4. The PCB industry composite grinding table top pad of claim 3, wherein: the all-new pure wood pulp paper-based prepreg layer (01) is formed by compounding 1-30 prepregs, and the gram weight of the adopted impregnation base paper is 80-160G during production.

5. The PCB industry composite grinding table top pad of claim 4, wherein: the all-new pure wood pulp paper-based prepreg layer (01) is formed by compounding 3-20 prepregs, the gram weight of the adopted impregnation base paper is 100-150G during production, and the thickness of the all-new pure wood pulp paper-based prepreg layer after high-temperature and high-pressure molding is 0.2-6MM.

6. The PCB industry composite grinding table top pad of claim 1, wherein: the plant recycled pulp adopted by the recycled pulp paper-based prepreg layer (02) is one of wood, bamboo, grass, cotton and hemp.

7. The PCB industry composite grinding table top pad of claim 2, wherein: the recycled pulp paper-based prepreg layer (02) is a single prepreg, and the color of the single prepreg is one of white, brown, black and yellow.

8. The PCB industry composite grinding table top pad of claim 1, wherein: the recycled pulp paper-based prepreg layer (02) is formed by compounding a plurality of prepregs with the same color or different colors, and the color of the prepreg layer is one of white, brown, black and yellow.

9. The PCB industry composite grinding table top pad of claim 1, wherein: the recycled pulp paper-based prepreg layer (02) is formed by compounding 1-80 prepregs, and the gram weight of the adopted impregnation base paper during production is 80-160G.

10. The PCB industry composite grinding table top pad of claim 1, wherein: the recycled pulp paper-based prepreg layer (02) is formed by compounding 35-75 prepregs, and the gram weight of the adopted impregnation base paper is 100-140G during production; the thickness of the regenerated pulp paper-based prepreg layer after high-temperature and high-pressure molding is 0.2-16MM.