SU858939A1 - Booth for painting articles - Google Patents

Description

(54) CAMERA FOR COLORING PRODUCTS

one

The invention relates to spray coating devices and can be used in paint shops of engineering companies.

A known spray chamber for painting products, comprising a housing, a bathtub hydro filter, a pump unit and exhaust ventilation system 1.

In such a chamber, only a part of the sprayed paint material falls on the surface of the product being painted, and the majority (50-70 ° / o) falls either directly into the bath, or is carried by the air flow into the hydraulic filter, where with the help of water streams falling from concave screens, paint particles are taken from the air flow and sent to the bath. In the bath, large inclusions of color are settled and the water thus purified is fed back into the circulating system. With this cleaning, most of the paint remains in the circulating water and during reuse it clogs the filters, pumps, ventilation equipment and hydraulic filters.

2

Closest to the proposed technical essence and the achieved result is a camera for coloring products, comprising a housing with a hydraulic filter and water screen installed therein, a sedimentary bath and a mechanism for dropping foam in the form of a foam tank, a scraper and driving it to dump the foam into the foam tank 2

The disadvantage of this chamber is that a small part of the bath mirror gets into the scraper area, cleaning is performed

10 is inefficient and, in addition, the paint particles supported by the foam are destroyed after some time and, settling on the bottom, clog it.

The purpose of the invention is to improve the quality of cleaning circulating water from the paint and eliminate clogging of the sedimentary bath.

The goal is achieved by the fact that in the chamber for painting products, comprising a housing with

Claims (2)

20 with a hydraulic filter and water screen, a sedimentary bath and a mechanism for discharging foam in the form of a foam collector, a scraper and driving its movement for discharging foam into a foam collector; , and is provided with guides mounted on a flat wall of a sedimentary bath, and the mechanism for discharging the foam is equipped with a blade mounted in the sedimentary bath with a drive for its reversible movement and a carriage mounted on the guides with Odom its movement, on which is mounted a scraper. The drive of the movement of the scraper for dumping the foam into the foam container is made in the form of a copier mounted on a flat wall and connected to the scraper roller interacting with the copier. FIG. 1 shows the proposed camera, a general view; in fig. 2 is a view along arrow A in FIG. one; in fig. 3 is a view along arrow B in FIG. one; in fig. 4 shows a section B-B in FIG. 1. The chamber contains a housing I with a hydraulic filter 2 and a vertical water screen 3 installed in it, a sedimentary bath 4 and a mechanism for discharging foam in the form of a foam container 5, a scraper 6 and driving it to discharge foam in the foam container 5. Hydrofilter 2 is connected in its the upper part to the ventilation device 7, and in the lower part to the sedimentary bath 4. The latter is made in the form of a half cylinder (Fig. 2), the flat wall of which is made in its upper part in the form of a tray 8 with drain socks 9, and is fitted with mounted on a flat siege van wall 4 guides 10, and the mechanism for dumping the foam is equipped with a blade 11c mounted in the sedimentary bath 4 with a drive 12 for its reverse movement and a worm gear 13. The blade 11 is mounted in the sedimentary bath 4 by means of an axis 14. The mechanism for dumping the foam is fitted on the guide 10 by a carriage 15 with a drive 16 of its movement. A scraper 6 is mounted on the carriage 15. The movement of the scraper 6 for discharging the foam into the sump 5 is configured as a copier 17 fixed on a flat wall of the sedimentary bath 4 (fig. 3) and associated with the scraper 17 connected to the scraper 6. the scraper 6 in the vertical direction serves as guides 19. The spray booth operates as follows. The air with solvent vapors and paint mist is sucked in by the ventilation device 7 through hydraulic filter 2, where the passage through the stream of water falling from the concave screens is cleaned from paint particles and solvent vapors. The water-retained particles of paint and solvent are directed to the sediment bath 4. This 55 sediment bath 4 receives water from the ink and from the vertical protective screen 3. In the sediment bath the ink interacts with the coagulant and forms a foam. Before switching on the drive 2, the blade 11 occupies one of the extreme positions (dotted line in Fig. 2), and the scraper 6 is located opposite the axis 14. When enough foam with paint is accumulated on the surface of the sediment bath liquid, the drive 12 is turned on and turns the blade through the worm gear 13 11 to the extreme position (e.g. right, dotted line in FIG. 2). In this position, the blade 11 stops, and all the foam from the surface of the liquid is assembled into a narrow channel formed by a flat wall of a half-cylinder and a blade 11. The width of this channel is equal to the width of the nose 9 and the scraper 6, which blocks the channel. Then, the actuator 16 is turned on, which moves the carriage 15 with the scraper 6 Q guide 10 also to the right and, moving to the toe 9, pulls the foam there. When approaching the copier 17, the roller 18 runs over it and, moving further, raises the scraper 6 over the surface of the water and above the toe 9 so that, after reaching the edge of the toe, the scraper 6 pushes all the foam into the sump 5. After that, the scraper 6 returns to its original position and stops. When a sufficient amount of foam is again collected on the surface of the mirror of the bath 4, the process of its collection is repeated, but in the opposite direction. The painted foam thus collected is used to prepare the dyes, and the purified water from the bath 4 is directed to the circulation system of the hydraulic filters and screens. The proposed chamber for coloring products in comparison with the known one purifies recirculated water much more completely, thereby increasing the time between maintenance of the chamber. Periodic operation of the device ensures its operation in an economical mode. The economic effect of using the chamber is achieved by reducing the maintenance of the chamber and reducing the energy consumption for cleaning the recirculating water, claims 1. The chamber for coloring the products, including a housing with a hydraulic filter and a water screen installed therein , a sedimentary bath and a mechanism for dumping foam in the form of a foam collector, a scraper and a drive for moving it to discharge foam into a foam container, characterized in that, in order to increase the quality cleaning circulating water from staining and eliminating clogging of the sedimentary bath, the latter is made in the form of a semicylinder, the flat wall of which is made in its upper part in the form of a tray with drain toes, and equipped with guides mounted on the flat wall of the sedimentary bath the blade with the drive of its reverse movement and the carriage mounted on the guides with the drive of its movement, on which the scraper is fixed. 2. A chamber according to claim 1, characterized in that the drive for moving the scraper for dumping the foam into the foam container is made as a copier mounted on a flat wall and connected to the scraper roller interacting with the copier. Sources of information taken into account in the examination 1.Album equipment paint shops. M., “Himi, 1975, p. 71, fig. 2.6. 2. USSR author's certificate No. 637163, cl. B 05 C 15/00, 1977 (prototype). 7 /////// 7/77 // 7 //////// f ////////////////////// // W // //////////////// i3 i5