CN217888460U

CN217888460U - Double-primer double-finish paint spraying system

Info

Publication number: CN217888460U
Application number: CN202222011135.0U
Authority: CN
Inventors: 傅世岩; 张彬; 盛华; 盛学武
Original assignee: Dalian Yuming Intelligent Technology Co ltd
Current assignee: Dalian Yuming Intelligent Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-25
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to a two finish paint spraying system of two priming paints, it is for preparing the room through first circulation route from the upper and lower district upper part through conveying system drive work piece, first priming paint spray booth, first levelling room, second priming paint spray booth, the second flows flat room, the drying chamber, strong cold room then the second circulation through first finish paint spray booth, first flow flat room, second finish paint spray booth, the second flows flat room, the drying chamber, the strong cold room is followed and is put the district and accomplish to spray paint under the upper and lower after. The utility model discloses satisfy the environmental protection requirement of the operation of spraying paint, each studio arranges that the position is reasonable, compact structure, adopts twice circulation paint spraying system, can satisfy the automatic demand of spraying paint of two priming coats of lacquer two coats of paint, alleviates operation personnel intensity of labour, improves the operating efficiency.

Description

Double-primer double-finish paint spraying system

Technical Field

The utility model belongs to the technical field of paint spraying apparatus, in particular to a two priming coats and two finish paint spraying systems for locomotive wheel axletree sprays paint.

Background

Paint spraying is a process of atomizing paint by a spray gun and applying the paint to the surface of an object. The paint spraying operation has high production efficiency, is suitable for manual operation and industrial automatic production, has wide application range, and is the most common coating mode in the prior art; the paint spraying operation needs to meet the environmental requirements of a dust-free workshop, and the spraying equipment comprises a spray gun, a paint spraying chamber, a paint supply chamber, a curing oven/drying oven, spraying workpiece conveying operation equipment, fog and waste water elimination, waste gas treatment equipment and the like. The main problems in the prior paint spraying are that the highly dispersed paint mist and the volatilized solvent pollute the environment, are not beneficial to the health of human bodies, waste the paint and cause economic loss. Moreover, for the personalized paint spraying operation with customized requirements, the automation degree is low, the manual operation amount is large in the process, the operation efficiency is influenced, and the labor intensity of workers is increased.

Disclosure of Invention

The utility model provides a technical problem provide a two end paint finish paint spraying system, it is low to have solved prior art customization operation degree of automation under the requirement of environmental protection, problem that the operating efficiency is low, intensity of labour is big.

The utility model adopts the technical proposal that: a paint spraying system with double priming paint and double finishing paint comprises a preparation chamber, a paint spraying chamber, a leveling chamber, a drying chamber, a forced cooling chamber, an air supply system, an air exhaust system, an electric control system and a conveying system, the preparation chamber is internally provided with an air supply pipeline and an air exhaust pipeline, the preparation chamber is used for cleaning and shielding the workpiece before spraying, the paint spraying chamber is a dry paint spraying chamber and comprises a dynamic pressure chamber, a static pressure chamber, a spraying operation chamber, an air supply pipeline, an air exhaust pipeline, a paint mist capturing system and a paint supply system, wherein the dynamic pressure chamber and the static pressure chamber are positioned at the top of the spraying operation chamber, a bag filter is arranged between the dynamic pressure chamber and the static pressure chamber, a special filter cotton for a paint mist ceiling is arranged between the static pressure chamber and the spraying operation chamber, the spraying operation chamber is internally provided with a robot spraying system, the leveling chamber is internally provided with an air supply pipeline and an exhaust pipeline, so that the smell of the operation environment is ensured not to be scattered in a workshop, the pollutants generated by the organic solvent are convenient to recover, the air supply system comprises a combined air conditioning unit, an electric air valve and an electric control device, the air supply system provides fresh air for the preparation room, the paint spraying room and the leveling room through air supply pipelines, a bag filter, a heating device, a surface cooler and a humidifying system are arranged in the air supply system, the air supply system can be arranged according to air supply requirements to achieve proper air supply temperature and humidity, a circulating air pipe, a heat exchange system and a control system are arranged in the drying chamber, gas collecting hoods are arranged at the inlet and the outlet of the drying chamber, organic waste gas emitted in the chamber is discharged into a waste gas treatment device through a pipeline, set up strong cold chamber at the drying chamber export, through the whole paint spraying system operation of electrical system control, conveying system is annular delivery path, with the work piece circulation through prepare room, paint spraying chamber, levelling room, drying chamber and strong cold chamber.

Further optimize, the collection case structure is caught to the coating cloud entrapment system adoption fender coating cloud + dry-type coating cloud, keeps off the novel PP board of coating cloud for arranging at the spraying studio lateral part, catches the collection case front end at the dry-type coating cloud and arranges the coating cloud and crosses the exhaust system, dry-type coating cloud catches collection case rear end connection. The paint mist purification rate is more than or equal to 98%, the novel PP plate is a reusable novel porous plate paint mist purification device, more than 30% of paint particles in waste gas can be intercepted, and the replacement cost of the rear filtering material is greatly reduced. The air current after keeping off the lacquer board can then pass the coating cloud and filter the cotton, and the coating cloud filters cotton thickness and is 100mm, and the coating cloud filters the cotton and absorbs the lacquer sediment wherein, and the filterable filtration efficiency of coating cloud of this kind of structure can reach 90%, arranges before the coating cloud catches the case, and filter the cotton and fix on the frame, and for the ease of changing the maintenance, the installation is with the nail that the round steel was made on the frame, and filter the cotton and directly insert on the nail. Set up pressure differential detection alarm device around the filter pulp, can remind to change the filter pulp.

Further optimizing, the air supply mode of the paint spray booth is that a fresh air conditioner air supply system is arranged on the side wall of the paint spray booth at the upper air supply and exhaust system and adopts a side exhaust mode, paint mist is adsorbed in a paint mist trapping system and is led to organic waste gas treatment equipment through a pipeline and adsorbed by active carbon. The air after adsorption meets the requirement of environmental protection high altitude discharge and can be directly discharged into the atmosphere.

Further optimize, the blast pipe of drying chamber arranges in the drying chamber lateral part, and the return air pipeline arranges in the drying chamber top. The temperature difference between the upper part and the lower part in the drying chamber is ensured to be as small as possible.

Further optimizing, the paint spray booth has 4 in total, is first priming paint spray booth, second priming paint spray booth, first surface paint spray booth and second surface paint spray booth respectively, the levelling room has 2 in total, is first levelling room and second levelling room respectively, arranges the order and follows conveying system route in the past after for preparing the room, first priming paint spray booth, first surface paint spray booth, first levelling room, second priming paint spray booth, second surface paint spray booth, second levelling room, drying chamber, forced cooling room, be provided with upper and lower spare area between conveying system's preparation room and forced cooling room. The two-time circulating paint spraying mode is adopted, after the workpiece is loaded for the first time, the workpiece does not pass through the first finish paint spraying chamber and the second finish paint spraying chamber and is subjected to primer spraying twice, and during the second circulating, the workpiece does not pass through the first primer paint spraying chamber and the second primer paint spraying chamber and is subjected to finish paint spraying twice, and then the workpiece is taken down when the workpiece passes through the workpiece loading and unloading area.

The utility model has the advantages that: the utility model discloses satisfy the environmental protection requirement of the operation of spraying paint, each studio arranges that the position is reasonable, compact structure, adopts twice circulation paint spraying system, can satisfy the automatic demand of spraying paint of two priming coats of lacquer two coats of paint, alleviates operation personnel intensity of labour, improves the operating efficiency.

Drawings

FIG. 1 is a schematic layout of a two-primer two-coat paint spraying system;

FIG. 2 is a schematic view of the paint spray booth.

Reference numerals: 1-an air supply pipeline, 2-a dynamic pressure chamber, 3-a bag filter, 4-a static pressure chamber, 5-a conveying system, 6-a robot spraying system, 7-a workpiece, 8-a paint baffle, 9-paint mist filter cotton, 10-a dry-type paint mist collecting box and 11-an exhaust pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in FIG. 1, the utility model provides a two-primer two-finish paint spraying system, including preparing room, paint spray booth, levelling room, drying chamber, forced cooling room, air supply system and exhaust system, electrical system and conveying system.

The air supply system is connected with each operating room of the paint spraying system through an air supply pipeline, the exhaust system is connected with each operating room through an exhaust pipeline, and the electric control system controls operation of each operating room of the whole paint spraying system.

The conveying system adopts a power and free type suspension conveyor. The upper and lower pieces are loaded and unloaded by adopting 2 hoisting systems matched with a lifting platform. The hoisting track passes through all the operation rooms in sequence and forms a circular path in combination with the conditions of the production field, and the hoisting system is matched with the track flat car to assemble and disassemble the parts. The lifting platform is arranged on the rail flat car, the lifting height meets the requirements of loading and unloading, and the lifting appliance of the power and free type suspension conveyor can be directly butted to the workpiece 7. The lifting platform is provided with a proper number of workpiece 7 supporting tools, so that the operation of first unloading and then loading can be completed at one time.

The preparation chamber comprises a chamber body and an air supply and exhaust pipeline, and is provided with a corresponding lighting system. The work piece 7 is prepared for cleaning and shielding before being sprayed.

As shown in fig. 2, the spray booth is a dry paint booth and includes a dynamic pressure chamber 2, a static pressure chamber 4, a spraying operation chamber, an air supply pipeline 1, an air exhaust pipeline 11, a paint mist collecting system, and a paint supply system, wherein the dynamic pressure chamber 2 and the static pressure chamber 4 are located at the top of the spraying operation chamber, the upper end of the dynamic pressure chamber 2 at the top is connected with the air supply pipeline 1, a bag filter 3 is arranged between the dynamic pressure chamber 2 and the static pressure chamber 4, filter cotton special for a paint mist ceiling is arranged between the static pressure chamber 4 and the spraying operation chamber, and a robot spraying system 6 is arranged in the spraying operation chamber. The paint mist trapping system adopts a structure that a paint baffle 8 and a dry paint mist trapping box 10 are combined, the paint baffle 8 is a novel PP plate arranged on the side part of a spraying operation room, paint mist filter cotton 9 is arranged at the front end of the dry paint mist trapping box 10, and the rear end of the dry paint mist trapping box 10 is connected with an exhaust pipeline 11 to an exhaust system. The air supply mode of the spray booth is that a fresh air conditioner air supply system is arranged on the side wall of the spray booth at the upper part of the air supply and exhaust system and adopts a side exhaust mode, paint mist is adsorbed in a paint mist trapping system and is led to organic waste gas treatment equipment through a pipeline to be adsorbed by active carbon.

The leveling chamber mainly comprises a chamber body, an air supply pipeline and an exhaust pipeline. The chamber body plays an isolation role in the leveling of the whole workpiece 7, can ensure that the smell of the operation environment cannot float into a workshop, is convenient for recovering pollutants generated by an organic solvent, and is provided with a corresponding lighting system in the leveling chamber.

The drying chamber is a single-stroke direct drying chamber and comprises a chamber body, a circulating air pipe, a heat exchange system, a control system and the like, the conveying mode is a suspended power and free conveying system, a sliding door is arranged at an inlet and an outlet of the chamber body and is interlocked with the inlet and the outlet of a workpiece 7, when the workpiece 7 reaches a specified set position, the door is opened, the workpiece 7 enters the chamber, and then the door is closed, so that indoor heat loss is effectively prevented. The drying chamber heating circulation system adopts natural gas heating to carry out hot air circulation, the maximum temperature of the drying chamber is designed to be 80 ℃, and the temperature is raised to be more than 60 ℃ from the chamber within 30 min. Meanwhile, the temperature is adjustable between 18 ℃ and 80 ℃, the temperature sensor has the functions of temperature rise, heat preservation and timing, and the precision of the temperature sensor is +/-1%. The average temperature of the surface of the outer wall is not higher than 5 ℃ at room temperature (18 ℃ to 25 ℃ at room temperature).

And a forced cooling chamber is arranged at the outlet of the drying chamber, so that the dried workpiece 7 is rapidly cooled, and the requirement of rapidly discharging the workpiece is met.

The strong cooling chamber is composed of the main components of a chamber body of the blowing air box, an air supply and exhaust unit and an air supply and exhaust pipe. The cold air required by cooling is sucked from the outside of the plant, and the air supply system is provided with a middle-effect F5 filter to provide the cleanliness of fresh air. Then the air is sent to air channels at two sides of the strong cooling chamber by a fan and is blown to the workpiece 7 by a nozzle, and the air after heat exchange is sucked out from the upper part of the strong cooling chamber and is discharged to the outside.

The waste gas treatment of the paint spraying system selects the adsorption and desorption of the activated carbon and the catalytic combustion waste gas treatment, and the equipment treats the waste gas discharged by the paint spraying chamber, the leveling chamber and the drying chamber.

The sliding doors are arranged at the inlet and outlet positions of each operating room, the doors can be automatically controlled to be opened and closed according to the production process beat, the doors can also be opened and closed by adopting a button switch, and the doors can be opened and closed by adopting a manual opening and closing mode during power failure. Sealing structures are adopted among the top, two sides and the door plate of the door so as to ensure the integral sealing performance of the chamber body.

During paint spraying operation, the conveying system drives the workpiece to pass through a first circulation path from an upper workpiece area to a lower workpiece area to a preparation chamber, a first primer paint spraying chamber, a first leveling chamber, a second primer paint spraying chamber, a second leveling chamber, a drying chamber and a forced cooling chamber, and then the workpiece passes through a first finish paint spraying chamber, a first leveling chamber, a second finish paint spraying chamber, a second leveling chamber, a drying chamber and a forced cooling chamber to finish paint spraying operation after passing through the upper workpiece area and the lower workpiece area for the second circulation.

The basic principle and the main features of the present invention and the advantages of the present invention are shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, and these changes and modifications all fall into the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two priming paint finish paint spraying system which characterized in that: the system comprises a preparation chamber, a paint spraying chamber, a leveling chamber, a drying chamber, a forced cooling chamber, an air supply system and an exhaust system, an electric control system and a conveying system, wherein an air supply pipeline and an exhaust pipeline are arranged in the preparation chamber, the paint spraying chamber is a dry paint room and comprises a dynamic pressure chamber, a static pressure chamber, a spraying operation chamber, an air supply pipeline, an exhaust pipeline, a paint mist collecting system and a paint supply system, the dynamic pressure chamber and the static pressure chamber are positioned at the top of the spraying operation chamber, a bag filter is arranged between the dynamic pressure chamber and the static pressure chamber, a paint mist ceiling special filter cotton is arranged between the static pressure chamber and the spraying operation chamber, the spraying operation chamber is internally provided with a robot spraying system, the leveling chamber is internally provided with an air supply pipeline and an exhaust pipeline, the air supply system comprises a combined air conditioning unit, an electric air valve and an electric control device, the air supply system provides fresh air for the preparation chamber, the paint spraying chamber and the air collection chamber through the air supply pipeline, the bag filter, the heating device, the surface humidification system and the circulation system are arranged in the preparation chamber, the air pipe, the inlet and outlet of the drying chamber are provided with a waste gas exhaust hood, the exhaust system is arranged in the drying chamber, and the drying chamber, the drying chamber is provided with the exhaust system, and the exhaust system, the exhaust system is arranged through the exhaust system, and the drying chamber.

2. The two-primer two-coat paint spraying system of claim 1, wherein: the paint mist trapping system adopts a paint baffle plate and a dry paint mist trapping box structure, the paint baffle plate is a novel PP plate arranged on the side part of the spraying operation room, paint mist filter cotton is arranged at the front end of the dry paint mist trapping box, and the rear end of the dry paint mist trapping box is connected with the exhaust system.

3. The two-primer two-coat paint spraying system of claim 1, wherein: the air supply mode of the paint spray booth is that a fresh air conditioner air supply system is installed on the side wall of the paint spray booth at the upper air supply and exhaust system to adopt a side exhaust mode, paint mist is adsorbed in a paint mist trapping system and is led to organic waste gas treatment equipment through a pipeline to be adsorbed by activated carbon.

4. The two-primer two-coat paint spraying system of claim 1, wherein: and an air supply pipeline of the drying chamber is arranged on the side part of the drying chamber, and an air return pipeline is arranged on the top of the drying chamber.

5. The two-primer two-coat paint spraying system of claim 1, wherein: the paint spraying chambers comprise 4 paint spraying chambers which are respectively a first primer paint spraying chamber, a second primer paint spraying chamber, a first surface paint spraying chamber and a second surface paint spraying chamber, the leveling chambers comprise 2 leveling chambers which are respectively a first leveling chamber and a second leveling chamber, the arrangement sequence is a preparation chamber, a first primer paint spraying chamber, a first surface paint spraying chamber, a first leveling chamber, a second primer paint spraying chamber, a second surface paint spraying chamber, a second leveling chamber, a drying chamber and a forced cooling chamber from front to back along the path of the conveying system, and an upper workpiece area and a lower workpiece area are arranged between the preparation chamber and the forced cooling chamber of the conveying system.