CN205032323U

CN205032323U - Household electrical appliances coating line

Info

Publication number: CN205032323U
Application number: CN201520796757.6U
Authority: CN
Inventors: 杨晓娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-10-16
Filing date: 2015-10-16
Publication date: 2016-02-17
Anticipated expiration: 2025-10-16

Abstract

The utility model discloses a household electrical appliances coating line, including pretreatment section, spraying section and the section of drying, the pretreatment section is used for carrying out the preliminary treatment to the household appliance shell metal, gets rid of the greasy dirt and the rusty stain on metal casing surface, improves the metal surface characteristic, the spraying section is used for paint spraying in household appliance shell, the responsible stoving of the section of drying for paint solidification after the spraying. The utility model discloses degree of automation is high, and the spraying is effectual.

Description

Household electrical appliances paint line

Technical field

The utility model belongs to field of coating, particularly a kind of household electrical appliances paint line.

Background technology

Application is an important step in the surface manufacturing process of product.Antirust, anticorrosive coating quality is one of importance of product total quality.Product appearance quality not only reflects product protection, decorate properties, and is the key factor forming value of the product.The general flow of current household electrical appliances (such as washing machine, refrigerator) application is as follows: and a dead lift to spray station → one-sided sprays paint → in paint spray booth, levelling/being transported to respective regions levelling → fitting turnover part → opposite side sprays paint → and a dead lift is to baking oven → solidification → manually transport baking oven → inspection.Such household electrical appliances paint line, wastes a large amount of human resources, production efficiency is low; Paint spray booth, levelling room, hothouse are not closed body spaces, and air cleanliness and humiture are difficult to reach technological requirement, can not ensure product quality.

Utility model content

For the defect of prior art, the utility model provides a kind of household electrical appliances paint line.

A kind of household electrical appliances paint line, comprises pre-treatment section, spraying section and drying section; Described pre-treatment section comprises the surface processing trough, water under high pressure chamber wash, degreasing bath, table tune groove and the Phosphating Slot that connect successively; Described spraying section comprises paint spray booth, is provided with framework in paint spray booth, and the top of described framework is provided with top slide rail, and described top slide rail offers groove, and be provided with top sliding block in groove, top sliding block is connected with top lance, and described top lance drives by pushing up motor; The left side of described framework is provided with left slide rail, and described left slide rail offers groove, is provided with left slider in groove, left slider is connected with left spray gun, and described left spray gun is driven by left motor; The right side of described framework is provided with right slide rail, and described right slide rail offers groove, is provided with right slide block in groove, right slide block is connected with right spray gun, and described right spray gun is driven by right motor.

The beneficial effects of the utility model are: paint line described in the utility model achieves and automatically will spray, and the shell machined is without the need to manual intervention, and production efficiency is high, damage can not be caused to shell in coating process, ensure outer cover quality, greatly reduce labour intensity, enhance productivity; The utility model structure is simple, and cost of manufacture is low, high financial profit.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model household electrical appliances paint line;

Fig. 2 is the structural representation of the utility model pre-treatment section;

Fig. 3 is the structural representation of the utility model spraying section;

The structural representation of Tu4Shi the utility model paint spray booth

Fig. 5 is the structural representation of the utility model up-coiler;

Fig. 6 is the structural representation of the utility model drying section.

Detailed description of the invention

For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing, make above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing in proportion, focus on purport of the present utility model is shown.

As shown in Figure 1, household electrical appliances paint line of the present utility model comprises pre-treatment section 1, spraying section 2 and drying section 3, described pre-treatment section is mainly used in carrying out pretreatment to appliance shell metal, remove the greasy dirt, rusty stain etc. of metal shell surface, improve surface characteristics of metal, paint can better be adsorbed on shell; Spraying section primary responsibility is by paint spraying on appliance shell, and drying section is responsible for oven dry, makes the paint curing after spraying.

As shown in Figure 2, described pre-treatment section 1 comprises the surface processing trough 1.1 connected successively, water under high pressure chamber wash 1.2, degreasing bath 1.3, groove 1.4 adjusted by table, with Phosphating Slot 1.5, surface conditioning agent is contained with in surface processing trough, appliance shell is immersed in surface processing trough, appliance shell is scrubbed by brush, remove serious greasy dirt, foreign material, rusty stain etc., described surface conditioning agent is made up of the raw material of following weight proportion: Sodium Polyacrylate 15-20 part, trifluoroethanol 2-4 part, NPE 2-4 part, natrium citricum 2-4 part, EDTA tetra-sodium 4-6 part, shitosan 4-6 part, dodecyl sodium sulfate 4-6 part, acetic acid 3-5 part, ethylene glycol 3-5 part, triethanolamine 3-5 part, di-o-tolyl-thiourea 3-5 part, gluconic acid sodium salt 3-5 part, carboxymethyl cellulose 3-5 part, enuatrol 3-5 part, sodium pyrophosphate 3-5 part, with silica 3-5 part.The NPE that surface conditioning agent adopts can increase the compatibility of each material, and each material is well scattered in water, and the enuatrol in raw material, sodium pyrophosphate effectively can remove spot, and metal parts is corrosion-free after the utility model cleaning, noresidue.Rear casing enter water under high pressure chamber wash, washing water temperature control is at 45 ~ 55 DEG C, and the time is 2min; Total alkalinity in degreasing bath 1.3 is 20 ~ 30 points, and free alkalinity is 7 ~ 15 points, adopts concentration to be 55g/L degreasing agent, shell is immersed in 3-5min in degreasing bath; Adjust in groove at table and add the adjustment of 3g/L glue titanium table, PH controls 8.0 ~ 9.0, submergence 4-5min at 20-30 DEG C, compressed air circulation stirring; Rear casing enter Phosphating Slot 1.5, be the promoter of the bonderite of 20g/L, 2g/L containing concentration in Phosphating Slot.The appliance shell lacquer painting adhesive ability of institute's application after above-mentioned pretreatment section process is strong, be not easy to come off, by force corrosion-resistant, open and flat smooth.

Refer to Fig. 3, described spraying section 2 comprises loading area 2.1 and unload zone 2.2, described loading area is connected by annular cable wire 2.3 with unload zone, described annular cable wire 2.3 drives rotation by up-coiler 2.4, annular cable wire 2.3 is provided with hanger, be hung on hanger through pretreated appliance shell at loading area, cable wire 2.3 drives appliance shell on hanger successively through photoelectric sensor 2.5 and paint spray booth 2.6, described photoelectric sensor 2.5 and paint spray booth 2.6 communicate to connect with single-chip microcomputer 2.7, and shell completes and sprays paint under the control of single-chip microcomputer in paint spray booth.Utilize photoelectric sensor to detect the shift position of shell in the utility model, and control the preparation of spray gun in conjunction with the logic control ability of single-chip microcomputer.During work, shell is along cable wire uniform motion, when shell arrives sensing station, cuts off photoelectric sensor, triggers single-chip microcomputer time delay, and through delay time, shell arrives spray booth position, and now Single-chip Controlling spray gun is started working.After shell shifts out position, paint spray booth, Single-chip Controlling spray gun quits work.When shell is through sensor, single-chip microcomputer starts timing, and because the position S between single-chip microcomputer and paint spray booth is known, shell translational speed V is constant, and therefore shell enters time (i.e. the delay time of the single-chip microcomputer) T=S/V of paint spray booth; Thus achieve the precise movement of spray gun.

As shown in Figure 4, framework 2.8 is provided with in paint spray booth 2.6 of the present utility model, the top of described framework 2.8 is provided with top slide rail 2.12, described top slide rail 2.12 offers groove, be provided with top sliding block in groove, top sliding block is connected with top lance 2.9, and described top lance 2.9 is driven by top motor 2.15, thus top lance 2.9 can be horizontally slipped along top slide rail 2.12, complete spraying paint for cover top portion; The left side of described framework is respectively arranged with left slide rail 2.13, described left slide rail 2.13 offers groove, left slider is provided with in groove, left slider is connected with left spray gun 2.10, described left spray gun 2.10 is driven by left motor 2.17, thus left spray gun 2.10 can be slided up and down along left slide rail 2.13, complete spraying paint for shell left part; The right both sides of described framework are respectively arranged with right slide rail 2.14, described right slide rail 2.14 offers groove, right slide block is provided with in groove, right slide block is connected with right spray gun 2.11, described right spray gun 2.11 is driven by right motor 2.16, thus right spray gun 2.11 can be slided up and down along right slide rail 2.14, complete spraying paint for shell right part.Single-chip microcomputer is connected with described top motor 2.15, left motor 2.17 and right motor 2.16 respectively, by the rotating speed of Single-chip Controlling top motor 2.15, left motor 2.17 and right motor 2.16, thus controls the translational speed of each spray gun, case surface is sprayed paint evenly.

Refer to Fig. 5, up-coiler 2.4, comprise winding drum 2.41, described winding drum 2.41 both sides are provided with fixing cable wire baffle plate 2.42, described baffle plate 2.42 top is provided with for the oil pipe 2.43 for cable wire spraying maintenance oil, described oil pipe 2.43 lower part is furnished with multiple spray head 2.44, described baffle plate 2.42 side is provided with maintenance oil cylinder 5, described maintenance oil cylinder 2.45 top is provided with bung 2.46, bottom is provided with flowline 2.47, described flowline 2.47 connects oil pump 2.48, described oil pump 2.48 top connected pipes 2.43.When cable wire needs maintenance, only need start oil pump 2.48, be transported in oil pipe 2.43 by the maintenance oil in maintenance oil cylinder 2.45 by oil pump 2.48, utilize spray head 2.44 for cable wire spraying maintenance oil, structure is simply, easy to use, improves cable wire service life.

The structure of drying section 3 as shown in Figure 6, it comprises drying chamber 3.1, the top of described drying chamber 3.1 is provided with gas sampling cover 3.2, gas sampling cover is provided with exhaust fan 3.3, exhaust fan is connected with heat exchanger 3.4 by blast pipe, the outlet of described blast pipe is provided with exhaust processor 3.5, described heat exchanger connects respectively at two, left and right admission line, left, right air inlet pipe is connected with right ventilating fan 3.6 respectively at left ventilating fan 3.8, two admission lines in left and right are connected with left air heater 3.9 and right air heater 3.7 respectively after over-heat-exchanger, air enters in drying chamber from the left and right sides, bottom of drying chamber 3.1 respectively and dries shell after heating.In work, the cold air of outside is sent into heat exchanger by left ventilating fan 3.8 and right ventilating fan 3.6, the waste gas of cold air and drying chamber carries out heat exchange, absorb the heat in waste gas, reach the recycling of heat, save the energy, air after heat exchange, further in air heater, be heated to set temperature value, hot-air is admitted to drying chamber afterwards, after the oven dry of certain hour, start exhaust fan, the waste gas of drying chamber is discharged by from blast pipe, exhaust processor paints volatilized poisonous and harmful substance for absorbing in drying course, protection of the environment.

Set forth a lot of detail in the above description so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be much different from alternate manner described here to implement, and therefore the utility model is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solutions of the utility model ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.

Claims

1. a household electrical appliances paint line, is characterized in that comprising pre-treatment section, spraying section and drying section; Described pre-treatment section comprises the surface processing trough, water under high pressure chamber wash, degreasing bath, table tune groove and the Phosphating Slot that connect successively; Described spraying section comprises paint spray booth, is provided with framework in paint spray booth, and the top of described framework is provided with top slide rail, and described top slide rail offers groove, and be provided with top sliding block in groove, top sliding block is connected with top lance, and described top lance drives by pushing up motor; The left side of described framework is provided with left slide rail, and described left slide rail offers groove, is provided with left slider in groove, left slider is connected with left spray gun, and described left spray gun is driven by left motor; The right side of described framework is provided with right slide rail, and described right slide rail offers groove, is provided with right slide block in groove, right slide block is connected with right spray gun, and described right spray gun is driven by right motor.