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Self-fastened PCB board transferring cart

A technology for PCB boards and turnover carts, which is applied in trolleys, motor vehicles, multi-axis trolleys, etc., and can solve the problems of incompatibility between corrosion resistance and electrical conductivity, inconvenient loading and unloading flat trolleys, decreased shielding performance, and impermeability, etc. problems, to achieve good hardness and dispersibility, reduce curing shrinkage, improve dispersibility and fineness index

Inactive Publication Date: 2016-02-10
CHENGDU 90 DEGREE IND PROD DESIGN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the transfer of electronic products in the factory is generally completed with turnover boxes or transport belts. In the production workshop, PCB boards are usually stored in special racks or storage boxes, and PCB boards are transferred. The following two methods: one is to use the transfer box placed on the flat trolley, but it is inconvenient to put the transfer box on and off the flat trolley, which wastes manpower and material resources, and the PCB board is easily damaged during the transfer process, resulting in scrapping; the second is to use the transfer box frame, but this kind of transfer frame and the supporting column are fastened by screws. The disadvantage is that the adjustment is not convenient enough, and the fastening is not firm. When the load is large, there will be gaps between the bracket and the supporting column. Relatively sliding, which will cause unsafe hidden dangers
Since the electrode potential of conductive carbon black or graphite powder is higher than that of steel, when it is in direct contact with steel, electrochemical corrosion will be formed, and steel will be used as an anode to accelerate corrosion; and because of its high oil absorption, when the conductivity requirement is high, the amount added is relatively small. Large, loose paint film, reduced shielding and penetration resistance, causing corrosion under the film, poor rust resistance
Moreover, the coating made from it cannot balance corrosion resistance and electrical conductivity, and has a short service life.

Method used

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  • Self-fastened PCB board transferring cart

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a self-fastening PCB board turnover vehicle includes a support frame 1, and the support frame 1 is composed of two short beams 2, two long beams and four positioning columns 4, and the short beams 2, long beams (not marked in the figure) and the positioning column 4 are assembled into a cuboid frame, and the support frame 1 is vertically provided with two intermediate columns 5, and the upper end of the intermediate column 5 is connected to the middle part of the long beam on the upper part of the support frame 1 , the lower end of the middle column 5 is connected to the middle part of the long beam at the bottom of the support frame 1; the bottom end and the top end of the outer frame of the support frame 1 are provided with a guide rail 6 along the direction of the long beam, and on the guide rail 6 A horizontal slot 3 is provided; a slide plate 1 7 and a slide plate 2 8 that can slide along the direction of the long beam are arranged in the...

Embodiment 2

[0038] This embodiment is the same as Embodiment 1, except that the special antistatic coating is composed of the following raw materials in mass percentage: 13% epoxy-terminated polyurethane resin, 6% titanium dioxide, and 17% epoxy resin , conductive zinc oxide 13%, superfine aluminum silicate 6.5%, additives 4.4% and pigment 6.1%, the balance is water and unavoidable impurities; the pigment is composed of the following components by mass percentage: talcum powder 0.7% , 0.7% of mica powder, 1.8% of bentonite, 0.6% of nano-titanium dioxide-based composite particles, 2.3% of silicon-aluminum-based hollow microspheres, and the additives are composed of the following components by mass percentage: 0.6% diluent, 0.6% dispersant, 0.6% defoamer, 0.6% leveling agent, 2% curing agent, the dispersant is polyethylene wax, the defoamer is polyether modified silicone defoamer, and the diluent is epoxy active The diluent and the leveling agent are organo-modified siloxane, and the curing...

Embodiment 3

[0045] This embodiment is the same as Embodiment 1 and Embodiment 2, except that the special antistatic coating is composed of the following raw materials in mass percentage: 11% epoxy-terminated polyurethane resin, 5% titanium dioxide, and Oxygen resin 11%, conductive zinc oxide 10%, superfine aluminum silicate 5%, auxiliary agent 3% and pigment 5%, surplus is water and unavoidable impurity; Described pigment is made up of following components by mass percentage: 0.5% talc powder, 1% mica powder, 1.5% bentonite, 0.5% nano-titanium dioxide-based composite particles, 1.5% silicon-aluminum-based hollow microspheres, and the additives are composed of the following components by mass percentage: 0.5% diluent, 0.5% agent, 0.5% defoamer, 0.5% leveling agent, 1% curing agent, the dispersant is polyethylene wax, the defoamer is polyether modified silicone defoamer, the diluent It is an epoxy reactive diluent, the leveling agent is an organo-modified siloxane, and the curing agent is a...

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PUM

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Abstract

The invention discloses a self-fastened PCB board transferring cart which comprises a support frame, wherein the support frame is composed of two short cross beams, two long cross beams and four positioning pillars, the short cross beams, the long cross beams and the positioning pillars are assembled to form a cuboid-shaped frame, the bottom end and top end of an external side border of the support frame are each provided with a guide rail along the long cross beam direction, and a horizontal open slot is formed on the guide rail; and a sliding plate I and a sliding plate II which can slide along the long cross beam direction are arranged in the support frame, the sliding plate I and the sliding plate II are respectively located on both sides of a middle pillar, and multiple pressure springs are uniformly distributed between the sliding plate I and the sliding plate II. Because the transferring cart disclosed by the invention is provided with the sliding plates and the springs, the distance between one positioning pillar and one sliding plate can be arbitrarily adjusted, so that the transferring cart is applicable to the storage of PCB boards with various sizes, then an effect of self-enclasping PCB boards is achieved, and PCB boards are convenient to load and unload. The invention also discloses a specially-made antistatic coating. By use of the specially-made antistatic coating, the antistatic effect and the anti-corrosion effect are longer, and the service cycle of the antistatic coating is prolonged.

Description

technical field [0001] The invention relates to the field of logistics transportation, in particular to a self-fastening PCB board turnover vehicle. Background technique [0002] At present, the transfer of electronic products in the factory is generally completed with turnover boxes or transport belts. In the production workshop, PCB boards are usually stored in special racks or storage boxes, and PCB boards are transferred. The following two methods: one is to use the transfer box placed on the flat trolley, but it is inconvenient to put the transfer box on and off the flat trolley, which wastes manpower and material resources, and the PCB board is easily damaged during the transfer process, resulting in scrapping; the second is to use the transfer box frame, but this kind of transfer frame and the supporting column are fastened by screws. The disadvantage is that the adjustment is not convenient enough, and the fastening is not firm. When the load is large, there will be ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D163/00C09D5/24C09D7/12B62B3/02
Inventor 李燕
Owner CHENGDU 90 DEGREE IND PROD DESIGN CO LTD