CN207786852U - An automatic painting production line - Google Patents

Abstract

The utility model relates to an automatic change production line field of spraying paint, concretely relates to automatic production line sprays paint. The device comprises a speed-multiplying chain body, and further comprises an online mechanism, a dust removing mechanism, a color repairing mechanism, a paint spraying mechanism, a cooling mechanism and an offline mechanism which are sequentially connected through the speed-multiplying chain body. The utility model provides an automatic paint spraying production line, which takes a double-speed chain as a transportation carrier and integrates an on-line mechanism, a dust removing mechanism, a color repairing mechanism, a paint spraying mechanism, a cooling mechanism and an off-line mechanism, and the automatic paint spraying production line of the utility model not only can solve the paint spraying problem of a plane thin plate, but also can automatically spray paint with good effect on a thick plate and a plate with a groove and a round edge; and the spraying of oil paint, solvent-free UV paint, water paint and water-based UV paint can be realized simultaneously, different paint types can be selected for spraying according to requirements and cost, and the using amount of the paint and a large amount of labor cost can be saved.

Description

An automatic painting production line

technical field

The utility model relates to the field of automatic conveying production lines, in particular to an automatic painting production line.

Background technique

At present, in the automatic material conveying assembly line, the use of double-speed chain as the transportation method is more efficient and commonly used in the automatic material conveying assembly line, and the tooling board is the carrier for the material. In the woodworking industry, it is necessary to use double-speed chains to conduct automatic painting work, while the traditional planar reciprocating painting production line can only solve the problem of painting flat thin plates, and the painting effect of thick plates and plates with grooves and round edges is not good.

In terms of the choice of spray paint, the traditional spray paint production line can only spray oil-based paint, but solvent-free UV paint, water-based paint and water-based UV paint cannot be sprayed. Traditional oil-based paints are not only expensive, but also prone to waste.

Contents of the invention

The utility model provides an automatic painting production line aiming at the problems of the prior art.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

An automatic painting production line, which includes a double-speed chain body, an on-line mechanism connected sequentially through the double-speed chain body, a dust removal mechanism for removing dust from workpieces, a repairing device for preheating the outer surface of the workpiece and repairing the color difference of spray paint Coloring mechanism, paint spraying mechanism for spraying and drying the workpiece surface, cooling mechanism for cooling the workpiece, and off-line mechanism.

Wherein, the painting mechanism includes an electrostatic sprayer for spraying paint onto workpieces, a constant temperature, constant pressure, dust-free and positive pressure leveling surface dry tunnel connected in sequence, and a curing device for curing the paint on the surface of the workpiece.

Wherein, the painting mechanism includes an electrostatic spraying machine connected in sequence to spray paint on the workpiece, a leveling and surface drying tunnel with constant temperature, constant pressure, dust-free positive pressure, a microwave drying area for absorbing the moisture in the spray paint, and a microwave drying area for drying the paint. Dry in the infrared drying zone.

Wherein, the painting mechanism includes an electrostatic spraying machine connected in sequence to spray paint onto workpieces, a leveling and surface-drying tunnel with constant temperature, constant pressure, dust-free positive pressure, a microwave drying area for absorbing the moisture in the spray paint, and a microwave drying area for drying the spray paint. A dry infrared drying area and a curing device for curing the paint on the surface of the workpiece.

The beneficial effects of the utility model:

An automatic painting production line provided by the utility model uses the double-speed chain as a transportation carrier, and integrates an on-line mechanism, a dust removal mechanism, a preheating mechanism, a color correction mechanism, a painting mechanism, and an off-line mechanism. For the problem of spraying thin plates, it can also spray paint with good effect on thick plates with grooves and round edges; and it can also spray oily paint, solvent-free UV paint, water-based paint and water-based UV paint at the same time. Choose different paints for spraying, which saves costs and does not cause waste.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a schematic structural view of Embodiment 1 of the present utility model.

Fig. 2 is a schematic structural view of Embodiment 2 of the present utility model.

Fig. 3 is a schematic structural view of Embodiment 3 of the present utility model.

reference sign

Double-speed chain line body--1, on-line mechanism--2, dust removal mechanism--3, color correction mechanism--4, painting mechanism--5, electrostatic spraying machine--51, leveling surface dry tunnel--52, Curing device - 53, microwave drying area - 54, infrared drying area - 55, drying area - 6, offline mechanism - 7.

Detailed ways

The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not intended to limit the scope of this practical application. The restrictive conditions for the implementation of the new model, so it has no technical substantive significance, any modification of the structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect and the purpose of the utility model, should be Still fall within the scope that the technical content disclosed by the utility model can cover. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

Example 1

As shown in Figure 1, an automatic painting production line includes a double-speed chain body 1, an on-line mechanism 2 connected sequentially through the double-speed chain body 1, a dust removal mechanism 3 for removing dust from the workpiece, and heating the outer surface of the workpiece. The color correction mechanism 4 for preheating and repairing the color difference of spray paint, the paint spray mechanism 5 for spraying and drying the paint on the surface of the workpiece, the cooling mechanism 6 for cooling the workpiece, and the offline mechanism 7.

In the production line of this embodiment, the paint spraying mechanism 5 includes an electrostatic sprayer 51 connected in sequence to spray paint on the workpiece, a leveling surface dry tunnel 52 with constant temperature, constant pressure, dust-free positive pressure, and a curing device for curing the paint on the surface of the workpiece 53.

Adopt a kind of painting process of production line in the present embodiment, comprise the following steps: Step 1, put the workpiece that has sprayed primer on the tooling plate of on-line mechanism 2, double-speed chain line body 1 starts operation, and workpiece is delivered to Dust cleaning is carried out in the dust removal mechanism 3; step 2, send the workpiece to the color repair mechanism 4 for preheating, and manually repair the color difference between the primer and the topcoat of the workpiece; step 3, send the workpiece to the spray paint Spray paint in mechanism 5; step 4, send the workpiece to the leveling surface dry tunnel 52 for constant temperature, constant pressure, dust-free and positive pressure leveling; step 5, send the workpiece to the curing mechanism for curing, and send it to the cooling mechanism 6 for cooling; step 6, finally the workpiece is sent to the off-line mechanism 7 off-line.

Specifically, the workpiece is loaded by the manipulator in the on-line mechanism 2, and the tooling plate is installed on the double-speed chain line body 1. Since the width of each tooling plate is constant, the disk is used as the distance measurement unit; the manipulator puts the workpiece on the On the tooling board, the double-speed chain drives the tooling board to send the workpiece to each mechanism for processing.

Specifically, the dust removal mechanism 3 can remove dust from the workpiece exposed to the air. The dust removal mechanism 3 is a constant temperature and humidity tunnel, and the dust blowing operation is 3 discs, and the time is 4.5 minutes; the dust blowing operation of the workpiece can Avoid affecting the painting effect due to impurities on the surface of the workpiece in the subsequent painting operation.

Specifically, after the dust removal is completed, the workpiece is preheated. The preheating of the workpiece can increase the activity of the paint and speed up the coloring rate of the spray paint; The workpiece in the embodiment has been sprayed with primer and then sent to the production line for topcoat spraying. There is a color difference in the intermediate transition area between the primer and the topcoat, and manual color correction is required to ensure that there is no color difference in the finished product of the workpiece.

Specifically, the workpiece enters the electrostatic spraying machine 51 of the painting mechanism 5 after the chromatic aberration is repaired to carry out the painting operation; since the whole production line is connected by a double-speed chain by related equipment such as a jacking translation machine, a jacking rotary machine, and a stopper, etc. The workpiece can be translated and rotated in any direction at any time during dust cleaning, preheating, color correction and painting; the electrostatic spraying machine 51 includes two rotary cups and an electrostatic spray gun, and the front end of the spraying machine is used for sensors. To measure the length, width and height of the workpiece, the sensor transmits the measured data to the console to process the data, and the processor sends instructions after processing the data to control the jacking translation machine, jacking rotary machine and stopper to rotate the tooling plate in any direction, Translate and stop, in the process, use the electrostatic spray gun to spray the shallow groove and thick side, and the rotary cup to spray the large-area middle part. For the flat plate that is not very thick, due to the anti-static effect of static electricity, it can be realized without the hook edge of the electrostatic spray gun. Paint the workpiece placed on the tooling board; not only can paint the flat thin plate, but also can paint the thick plate and the plate with grooves and round edges with good effect.

After the painting process is completed, the workpiece is sent to the leveling surface dry tunnel 52 for leveling. The main purpose is to volatilize the solvent volatile gas on the surface of the wet painted workpiece within a certain period of time, and the wet paint film can also flow when the volatile gas volatilizes. Leveling, so as to ensure the flatness and gloss of the paint film; in order to ensure the leveling effect, the entire leveling process takes 16.5 minutes. After leveling is completed, it is sent to the curing device 53 for spray paint curing. The curing device 53 in this embodiment is a six-sided UV light curing machine. Curing can speed up the rapid drying of the spray paint, increase the adhesion of the spray paint to the workpiece, and increase the spray paint. The hardness of the surface improves stability and corrosion resistance.

Specifically, after the above steps are completed, the workpiece is sent to the cooling mechanism 6 for cooling, and the workpiece is cooled. The cooling mechanism 6 is a cooling zone, and the entire cooling time is 12 minutes to ensure that the spray paint on the surface of the workpiece has been cooled. After the cooling is completed, the workpiece is sent to the off-line mechanism 7, and the workpiece is clamped and unloaded by the manipulator; after the painting process is completed, the empty plate automatically rotates, and the closed-loop turnover is carried out in a dust-free tunnel.

Example 2

As shown in Figure 2, the paint spraying mechanism 5 in the present embodiment includes the electrostatic sprayer 51 that sprays paint on the workpiece that is connected in sequence, the leveling and surface dry tunnel 52 of constant temperature, constant pressure, dust-free positive pressure, and the inside of the spray paint. A microwave drying zone 54 for moisture absorption and an infrared drying zone 55 for drying the spray paint.

Adopt a kind of spraying process of production line in the present embodiment, this process is applicable to water-based paint, and comprises the following steps: Step 1, the workpiece that has sprayed primer is placed on the tooling plate of on-line mechanism 2, double-speed chain line body 1 Start the operation, and send the workpiece to the dust removal mechanism 3 for dust cleaning; step 2, send the workpiece to the color repair mechanism 4 for preheating, and manually repair the color difference of spray paint on the transition part between the primer and the top coat of the workpiece; Step 3, send the workpiece to the painting mechanism 5 for painting; step 4, send the workpiece to the leveling surface dry tunnel 52 for constant temperature, constant pressure, dust-free and positive pressure leveling; step 5, send the workpiece to the microwave drying area 54 for dehydration; step 6, send the workpiece to the infrared drying zone 55 for drying, and send it to the cooling mechanism 6 for cooling; step 7, finally send the workpiece to the offline mechanism 7 for off-line.

Specifically, after the painting process is completed, the workpiece is sent to the leveling surface dry tunnel 52 for leveling. The main purpose is to volatilize the solvent volatile gas on the surface of the wet painted workpiece within a certain period of time. It can also be leveled, thereby ensuring the flatness and gloss of the paint film; due to the characteristics of water-based paint, in order to ensure the leveling effect, the entire leveling process takes 30 minutes.

In this embodiment, since the content of organic solvent in the water-based paint is about 5% to 15%, it is necessary to carry out microwave dehydration treatment on the surface of the workpiece. In order to ensure a good dehydration effect of the water-based paint, the time required for the entire dehydration process 43 minutes; after the dehydration is completed, infrared drying is carried out to further dry the spray paint on the surface of the workpiece. After the drying process is completed, the workpiece is cooled, and the entire cooling time is 7.5 minutes to ensure that the spray paint on the surface of the workpiece has cooled.

Since a large amount of microwave radiation is emitted during the drying process in the microwave drying zone 54, a wave suppressor is provided at the entrance and exit of the microwave drying zone 54 to prevent the microwave radiation from reaching the outside.

It should be noted that, except for the structures and processes mentioned in this embodiment, other structures and processes are completely the same as those mentioned in Embodiment 1, and will not be described here again.

Example 3

As shown in Figure 3, the paint spraying mechanism 5 in this embodiment includes an electrostatic sprayer 51 connected in sequence to spray paint on the workpiece, a leveling surface dry tunnel 52 with constant temperature, constant pressure, dust-free positive pressure, and a water-based paint inside. The microwave drying zone 54 for absorbing the moisture, the infrared drying zone 55 for drying the water-based paint, and the curing device 53 for curing the water-based paint on the workpiece surface.

Adopt a kind of spraying process of production line in the present embodiment, this process is applicable to water-based UV paint, and comprises the following steps: step 1, the workpiece that has sprayed primer is placed on the tooling plate of on-line mechanism 2, double speed chain line body 1 Start the operation, and send the workpiece to the dust removal mechanism 3 for dust cleaning; step 2, send the workpiece to the color repair mechanism 4 for preheating, and manually repair the color difference of spray paint on the transition part between the primer and the topcoat of the workpiece Step 3, the workpiece is sent to the paint spraying mechanism 5 for spraying; Step 4, the workpiece is sent to the leveling surface dry tunnel 52 to carry out the leveling of the constant temperature, constant pressure, dust-free positive pressure; Step 5, the workpiece is sent to microwave drying District 54 is dehydrated; step 6, the workpiece is sent to the infrared drying area 55 for drying; step 7, the workpiece is sent to the curing device 53 for curing, and sent to the cooling mechanism 6 for cooling; step 8, finally the workpiece is Send to offline mechanism 7 offline.

Specifically, after the painting process is completed, the workpiece is sent to the leveling surface dry tunnel 52 for leveling. The main purpose is to volatilize the solvent volatile gas on the surface of the wet painted workpiece within a certain period of time. It can also be leveled, thereby ensuring the flatness and gloss of the paint film; due to the characteristics of water-based UV paint, in order to ensure the leveling effect, the entire leveling process takes 30 minutes.

In this embodiment, due to the characteristics of the water-based UV paint, it is necessary to carry out microwave dehydration treatment on the surface spray paint of the workpiece. In order to ensure the good dehydration effect of the water-based UV paint, the time required for the whole dehydration process is 43.5 minutes; Infrared drying is used to further dry the paint on the surface of the workpiece. After the drying treatment is completed, the workpiece is subjected to UV curing treatment; after the workpiece is cured, cooling treatment is performed. The entire cooling time is 7.5 minutes to ensure that the spray paint on the surface of the workpiece has been cooled.

Since a large amount of microwave radiation is emitted during the drying process in the microwave drying zone 54, a wave suppressor is provided at the entrance and exit of the microwave drying zone 54 to prevent the microwave radiation from reaching the outside.

It should be noted that, except for the structures and processes mentioned in this embodiment, other structures and processes are completely the same as those mentioned in Embodiment 1, and will not be described here again.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (4)

1. An automatic painting production line, comprising a double-speed chain body (1), characterized in that: it also includes an on-line mechanism (2) connected sequentially through the double-speed chain body (1), and a dust removal mechanism for removing dust on workpieces (3), a color correction mechanism for preheating the outer surface of the workpiece and repairing the color difference of the spray paint (4), a paint spraying mechanism for automatically spraying and drying the surface of the workpiece (5), a cooling mechanism for cooling the workpiece (6), Offline mechanism (7). 2. A kind of automatic painting production line according to claim 1, characterized in that: the painting mechanism (5) includes an electrostatic spraying machine (51) connected in sequence to spray paint on the workpiece, a constant temperature and constant pressure dust-free positive Pressed leveling surface dry tunnel (52) and a curing device (53) for curing the workpiece surface paint. 3. A kind of automatic painting production line according to claim 1, characterized in that: the painting mechanism (5) includes an electrostatic spraying machine (51) connected in sequence to spray paint on the workpiece, a constant temperature and constant pressure dust-free positive A leveling and surface drying tunnel (52) for pressing, a microwave drying area (54) for absorbing moisture in the spray paint, and an infrared drying area (55) for drying the spray paint. 4. A kind of automatic painting production line according to claim 1, it is characterized in that: described painting mechanism (5) comprises the electrostatic spraying machine (51) of spraying paint on the work piece that is connected successively, constant temperature and constant pressure dust-free machine A leveling surface drying tunnel (52) for pressing, a microwave drying area (54) for absorbing moisture in the spray paint, an infrared drying area (55) for drying the spray paint, and a curing device (53) for curing the spray paint on the surface of the workpiece.