CN2063046U - Device for filtering and recovering powdered granules of spray paint - Google Patents

Abstract

The utility model relates to a device for filtering and recovering powdered granules of a spray paint device, comprising a powder collecting tub, a power case which is arranged under the powder collecting tub and a powder storing tub. The powder collecting tub is communicated with a coating chamber, with an attracting force created by the power case, the powder granule of the paint can be sucked into the powder collecting tub and can be attached on the outer wall of a filter tube, and the air without paint can be exhausted by an exhaust chamber of the power case. An action backwash device is respectively arranged at the lower part of the power case corresponding above each filter tube, so each filter tube can be respectively ejected with counter-current airflows in order to vibrate off the powder particle on the outer wall. The utility model has high recovery efficiency and convenient use and can change the powder collecting tub and the powder storing tub according to the different color of the paint.

Description

Device for filtering and recovering powdered granules of spray paint

The utility model relates to a kind of powdered granule filtering recovering device that sprays paint, particularly a kind of retracting device that comprises powder collecting bucket, power collecting bucket and headstock three parts.

Common metal surface treating method is divided into two kinds at present.The coating of first liquid coating; Another is with static powder spraying technology the powdered granule of solid-state lacquer to be sprayed at the surface of desire processing, heat-treats again.Back one method can make the metal surface of processing smooth smooth, and quite firm, can not produce the full wafer lacquer peeling phenomenon under the liquid coating situation after the collision.Therefore industrialized countries such as America and Europe and Japan have all adopted method for paint spraying now, and Taiwan is as the same.But with surface, Electrostatic Treatment mode spray metal, prices are rather stiff, thereby must recovery be attached to the solid-state lacquer powdered granule of treatment surface, so that re-use.Usually the reclaimer that adopts is that the rotation of mat one impeller produces suction, solid-state lacquer is sucked reclaim.But impeller is very easily smashed the particle of solid-state lacquer, has reduced the efficient that reuses that reclaims lacquer.And lacquer mixes with impurity when reclaiming, and makes recovering effect very poor.

The purpose of this utility model provides a kind of novel powdered granule filtering recovering device that sprays paint, and its removal process can not destroyed solid-state lacquer particle, the organic efficiency height, and free from foreign meter in the regenerant.

The powdered granule filtering recovering device that sprays paint described in the utility model comprises a powder collecting bucket, a power collecting bucket and a headstock.Described powder collecting bucket is communicated with the paint booth that sprays paint, and mat is satisfied with the suction that headstock produced on its top, and the lacquer grain suction powder collecting bucket with the paint booth inner suspension is attached to the screen pipe tube wall in the powder collecting bucket.Flow air is then overflowed by the exhaust chamber of headstock in the screen pipe, enters atmosphere.The headstock Lower Half is positioned at screen pipe top part, be provided with the back washing device, can be in difference constantly respectively to each screen pipe ejection inverted draft, make the screen pipe vibration, the lacquer grain that invests its tube wall is shaken, fall into the power collecting bucket that is positioned at the powder collecting bucket below, such retracting device, do not destroy the particle of lacquer, organic efficiency is very high.

The powdered granule filtering recovering device that sprays paint described in the utility model does not destroy the particle of lacquer, and has filter element, avoid impurity to sneak into regenerant, so organic efficiency is very high.In addition, powder collecting bucket and power collecting bucket can be changed at any time so that spray the lacquer of different colours.

Description of drawings is as follows:

Fig. 1 is the stereo appearance figure of the powdered granule filtering recovering device that sprays paint described in the utility model.

Fig. 2 is the positive view of retracting device described in the utility model.

Fig. 3 is the sectional view of the first half of retracting device described in the utility model.

Fig. 4 is the enlarged diagram of the back washing device part of retracting device described in the utility model.

Fig. 5 is the action schematic diagram of described back washing device.

Below in conjunction with all accompanying drawings, describe the powdered granule filtering recovering device that sprays paint described in the utility model in detail.

See Fig. 1 and Fig. 2, the powdered granule filtering recovering device B that sprays paint described in the utility model is to intersect on the spot being located at paint booth A both sides.Make the surface-treated metal works through paint booth A, behind manipulator or hand spray, retracting device B just reclaims a solid-state lacquer suction of the suspension that is full of among the paint booth A.

Retracting device B comprises powder collecting bucket (1), power collecting bucket (2) and headstock (3).Wherein powder collecting bucket (1) mat powder bucket interface (10) and and paint booth A be communicated with.The bottom of powder collecting bucket (1) is by being connected every the opening of filter screen (20) with power collecting bucket (2) upper end, and power collecting bucket (2) has enough spaces described under filter screen (20), allows the lacquer grain fall into the power collecting bucket bottom.Because the effect every filter screen (20) can make the lacquer grain that falls in the power collecting bucket (2) keep suitable purity the impurity elimination, guarantees to reclaim the quality of lacquer.Every the stainless (steel) wire of filter screen (20) for having detailed catalogue.Power collecting bucket (2) bottom is provided with several rollers (21) for four jiaos, changes power collecting bucket (2) so that move.

Several screen pipes (11) are vertically being arranged in inside in powder collecting bucket (1), and described screen pipe (11) is a hollow tube, its tube wall is made with fine and closely woven glass fibre, be a ventilative filter course, can allow air pass through, and the lacquer grain is attached on its outer surface.The passage (12) of the top of screen pipe (11) and powder collecting bucket (1) is communicated with, and air is entered be positioned at the headstock (3) of powder collecting bucket (1) top.End is provided with four foot rests (130) for four jiaos under the powder collecting bucket (1), and the bottom of foot rest (130) is equipped with castor (13), changes powder collecting bucket (1) so that move.

The Lower Half of headstock (3) is the breather chamber (30) of hollow.The top of passage (12) in breather chamber (30) is provided with the back washing device (4) that screen pipe (11) is carried out back washing.The top central authorities of breather chamber (30), be provided with circular aspirating chamber (31), an impeller (32) is installed in the aspirating chamber (31), described impeller (32) is driven by motor (33), the rotating shaft of motor (33) is stretched in the aspirating chamber (31) and the centre bore of described impeller (32) is fixed together.

See Fig. 3 again, aspirating chamber (31) forwards extends to form an exhaust chamber (34), the folded filter course (35) that is provided with in the exhaust chamber (34).Filter course (35) can prevent that on the one hand residual lacquer grain from escaping into atmosphere and causing dirty mixing, and the sound that also plays isolated motor (33) on the other hand is to prevent the dirty assorted effect of noise.Air escapes into atmosphere by exhaust chamber (34) top after filtering.Four jiaos of the bottoms of headstock (3) are provided with foot rest (36) (see figure 1), use the supporting headstock.

Back washing device (4) in the breather chamber (30) of headstock (3), include the gas receiver (40) of being located at headstock (3) rear portion, connect gas receiver (40) and penetrate carrier pipe (41) breather chamber (30) in, and control valve (42), contrary air chamber (43), against tracheae (44), cylinder (45) and piston (46), capping member (see figure 4)s such as (460).Described control valve (42) is horizontally through for described carrier pipe (41).The outstanding downwards cylindrical contrary air chamber (43) that is formed with a hollow of control valve (42), contrary air chamber (43) is tool elasticity slightly, its inboard, bottom is provided with acclivitous embedding ditch (430), can embed fixingly for the contrary tracheae (44) that a top has a taper boss (441), and make contrary tracheae (44) and be tightly connected against being between the air chamber (43).Contrary tracheae (44) is welded with a cylinder (45) originally as hollow tubular in its outside, and described contrary tracheae (44) just in time penetrates cylinder (45), is positioned at its central part.Be provided with a piston (46) in the cylinder (45), the medium pore (461) of piston (46) just in time supplies contrary tracheae (44) to run through.After piston (46) passes cylinder (45), form a discoid capping (460) in the bottom, the area of described capping (460) is enough to the passage (12) of screen pipe (11) top is sealed, and when capping (460) covers passage (12), the medium pore (461) of piston (46) is just in time aimed at passage (12), so that allow the gas of back washing operation flow through.

Retracting device described in the utility model by three independently parts (powder collecting bucket, power collecting bucket, headstock) form, be convenient to change.During use, but mat bolt and add seal washer they are assembled.When in the paint booth A metal works being sprayed paint, can connect the interior motor (33) of headstock (3) of retracting device B, make impeller (32) rotation, produce air-flow, attract the lacquer grain of the suspension in the paint booth A, make it to flow to the screen pipe (11) in the powder collecting bucket (1) through powder bucket interface (10).Air sees through screen pipe (11), flows in the breather chamber (30) of headstock (3) through air vent (12), and this air-flow is multiple to quicken through impeller (32), escapes into atmosphere by exhaust chamber (34).Solid-state lacquer grain then adheres to wall outside the what screen pipe (11), rely on back washing device (4), sucking the lacquer grain that suspends by paint booth A when, respectively each screen pipe (11) is carried out back washing, the solid-state lacquer particle that its outer wall is accompanying shakes and drops down onto in the storage paint can (2).

Cooperate Fig. 4 and Fig. 5 now, the action of back washing device (4) once is described.Figure 4 shows that situation when the back washing device does not move as yet, at this moment between the bottom end closure (460) of piston (46) and the passage (12) sizable spacing is arranged, can allow air circulate swimmingly.Back washing is not that all screen pipes (11) are carried out simultaneously, but by every next screen pipe certain in sequence.Like this, the back washing action can not influence the operation air-breathing to paint booth A.When the back washing device (4) of some screen pipes (11) top moves, control valve (42) makes compressed air be entered in the cylinder (45) by pipeline (421), piston (46) is moved down, and passage (12) is promptly sealed in its capping (460), as shown in Figure 5.At this moment, the air in the screen pipe (11) can't flow through passage (12), and because the air-flow of this air has very high flow velocity, so in case block for capping (460), produce reverse backflow on the contrary, the tube wall of impact filtration pipe (11) causes the vibration of screen pipe (11) from inside to outside.Meanwhile, control valve (42) on the carrier pipe (41) throws open a valve, pressure-air in the gas receiver (40) is introduced contrary air chamber (43) apace, multiple medium pore (461), passage (12) and enter in the screen pipe (11) through contrary tracheae (44) and piston (46), make flow air amount moment increase from inside to outside in the screen pipe (11), the vibration of screen pipe (11) also aggravates, solid-state lacquer particle attached to its outer wall falls in the storage paint can (2) with regard to all shaking, and makes recovering effect improve greatly.Therefore the back washing operation of this retracting device can be carried out under non-stop-machine state, does not only influence the entire job process, has improved organic efficiency on the contrary.

Control valve (42) is a magnetic valve, is off-the-shelf, and commercially available model is 8286451, and trade mark is BUSCHJDST.Other has a cyclelog, sends series of electrical signals, controls each control valve according to certain time sequence.Owing to cyclelog is a known technology, omit at this not add narration.

Claims (4)

1, a kind of powdered granule filtering recovering device that sprays paint, described retracting device is built in the both sides of paint booth with cross modal, it is characterized in that, this retracting device comprises a powder collecting bucket, install in the power collecting bucket of described powder collecting bucket below for one, and headstock of being located at the powder collecting bucket top, described powder collecting bucket one side offers a powder bucket interface, use with paint booth and be communicated with, have several hollows in the powder collecting bucket, the breathable screen pipe, described screen pipe top is communicated with the breather chamber of headstock bottom, the breather chamber top is provided with the aspirating chamber that includes an impeller, and vent chamber is positioned at described passage top, be provided with the back washing device, described aspirating chamber forwards extends into an exhaust chamber again.

2, retracting device according to claim 1 is characterized in that, described powder collecting bucket bottom four angles extend down and are formed with foot rest, and the foot rest bottom is installed on roller, and described power collecting bucket bottom also is provided with roller for four jiaos, and is provided with one deck every filter screen between power collecting bucket and the powder collecting bucket.

3, retracting device according to claim 1, it is characterized in that, be located at the back washing device of the vent chamber of headstock, comprise a gas receiver that is installed in the headstock outside, the carrier pipe that is communicated with and penetrates vent chamber with gas receiver, traverse and install in the control valve of each screen pipe top for described carrier pipe, the outstanding downwards contrary air chamber that forms in described control valve bottom, be connected with the contrary tracheae of hollow, the affixed cylinder in the described contrary tracheae outside, contrary tracheae interts in the medium pore of the piston in the described cylinder, be formed with a disk-shaped sealing cap and piston is positioned at the bottom of cylinder outside, described capping and described screen pipe are essentially concentric arrangement.

4, retracting device according to claim 1 is characterized in that, folded several filter courses that is provided with in the exhaust chamber of described headstock.

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