CN113351402B

CN113351402B - Full-automatic spraying treatment system and spraying process for surface of furniture accessory

Info

Publication number: CN113351402B
Application number: CN202110632666.9A
Authority: CN
Inventors: 董理
Original assignee: Changxing Mingyang Hengye Technology Co ltd
Current assignee: Changxing Mingyang Hengye Technology Co ltd; Zhejiang Mingyang Hengye Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-08-23
Anticipated expiration: 2041-06-07
Also published as: CN113351402A

Abstract

The invention relates to the technical field of automatic spraying processing, in particular to a full-automatic spraying processing system and a spraying process for the surface of a furniture accessory.

Description

Full-automatic spraying treatment system and spraying process for surface of furniture accessory

Technical Field

The invention relates to the technical field of automatic spraying processing, in particular to a full-automatic spraying treatment system and a full-automatic spraying process for surfaces of furniture accessories.

Background

The accessory spraying treatment is to spray a layer of coating on the surface of the accessory, so that the corrosion resistance and the rust prevention capability of the product can be improved, and the decorative aesthetic property of the product can be enhanced. However, the volatility and toxicity of the paint mist in the spraying process are strong, and about 30 to 50 percent of the paint is wasted in the air; meanwhile, the working environment is seriously polluted, and the physical health of an operator is seriously influenced.

At present, there are several methods for dealing with paint mist, such as water curtain type (paint mist removing device of spray booth in chinese patent No. 200420105892.3), dry filter type (automatic waste gas treatment device of spray booth in chinese patent No. 94206861.0), etc., but water is often changed to waste water resource, or paint cannot be conveniently recovered to cause secondary environmental pollution, or the filter screen is easy to saturate the particle capacity of paint mist and needs to be taken out and cleaned, so that good paint mist removing and recovering effects cannot be achieved.

In a chinese patent No. cn201010620907.x, a photocuring paint spraying line with automatic electrostatic adsorption and recovery of paint mist is disclosed. The spraying assembly line is used for automatically recycling and treating paint mist generated during spraying and photocuring paint.

However, the technical solution disclosed in the above patent does not guide, gather and purify the paint mist in the spraying process, and still causes the paint mist to be dispersed into the air to cause pollution.

Disclosure of Invention

Aiming at the problems, the invention provides a full-automatic spraying treatment system and a spraying process for the surface of a furniture accessory, wherein gas sprayed by a purifying device gathers towards the accessory, and is matched with the arrangement of a gathering mechanism, so that the gas and paint mist are gathered at the gathering mechanism, and then are guided downwards by the gathering mechanism to be mixed with water mist, and are collected and treated, thereby achieving the technical effect that the paint mist is close to zero dispersion in the spraying process.

In order to achieve the purpose, the invention provides the following technical scheme:

a full-automatic spraying treatment system for the surfaces of furniture accessories sequentially comprises an air sweeping module, a spraying module and a light curing module along a machining process, wherein the air sweeping module, the spraying module and the light curing module are connected through a conveying module;

the spraying module comprises a spraying chamber, a rotary feeding device and a purifying device;

a spraying manipulator for spraying is arranged in the spraying chamber;

the rotary feeding device is arranged between the conveying module and the spraying chamber and comprises a switching mechanism, a positioning mechanism, an upwarping mechanism and a converging mechanism;

the purifying device is arranged in the spraying chamber, and the purifying device discharges air around the spraying mechanical arm to isolate the paint mist sprayed by the spraying mechanical arm;

the switching mechanism is arranged on the spraying chamber at a position close to the conveying module and transfers the accessories conveyed on the conveying module to the lower part of the spraying manipulator;

the positioning mechanism is arranged on the switching mechanism and is used for positioning and bearing the accessory;

the upwarping mechanism is arranged below the positioning mechanism and drives the positioning mechanism to swing, so that accessories on the positioning mechanism are upwarped towards the spraying manipulator;

the gathering mechanism is arranged under an accessory borne by the positioning mechanism, paint mist sprayed by the spraying mechanical arm is gathered on the accessory by the gathering mechanism, and the gathering mechanism guides gas discharged by the purifying device to be gathered at the accessory.

As a refinement, the air sweeping module comprises air nozzles arranged equidistantly in the width direction of the transport module, which blow air towards the fittings on the transport module.

As an improvement, the switching mechanism includes:

the switching arm is rotatably arranged on the spraying chamber, and the two end parts of the switching arm are respectively provided with the positioning mechanisms; and

and the switching motor is arranged below the switching arm and drives the switching arm to rotate and swing.

As an improvement, the positioning mechanism includes:

the rotating shaft is vertically and rotatably arranged on the switching mechanism;

the sleeve is sleeved on the rotating shaft, and the rotating shaft is freely and rotatably arranged relative to the sleeve; and

the bottom of the positioning frame is connected with the sleeve through a set universal joint, the positioning frame is arranged relative to the sleeve in a free swinging mode, and positioning holes for inserting water port columns on the accessories are formed in the positioning frame.

As an improvement, the upwarp mechanism comprises:

the upward tilting motor is arranged on the switching mechanism and drives the rotating shaft to rotate;

the rotating disc is sleeved on the rotating shaft and synchronously rotates along with the rotating shaft, and a top block is convexly arranged at the circumferential edge of the rotating disc;

the supporting arms are uniformly distributed below the positioning frame, support the positioning frame and are arranged in a telescopic manner; and

the guide wheel is arranged at the lower end part of the supporting arm, is arranged on the rotating disc in a rolling manner, and is used for tilting the positioning frame when being matched with the jacking block;

the locking piece is arranged at any one of the supporting arms, is clamped with the corresponding supporting arm to limit the rotation of the positioning frame, and is detachably arranged on the switching mechanism.

As an improvement, the convergence mechanism comprises:

the guide disc is arranged on the positioning frame in a conical shape and is rotatably mounted on the positioning frame, and converging fan blades are arranged on the lower end face of the guide disc;

the transmission shaft is arranged adjacent to the guide disc, the top of the transmission shaft is in transmission connection with the shaft of the guide disc through a gear transmission set, and the bottom of the transmission shaft is provided with a driven gear; and

and the driving gear ring is matched with the driven gear, and is arranged along with the rotating disc in a synchronous rotating manner.

As an improvement, the purification apparatus includes:

the air nozzle group is arranged at four corners of the spraying chamber and comprises a plurality of air nozzles which are arranged at equal intervals along the vertical direction and are arranged in a free rotating manner;

a connecting arm connecting the air nozzles in the air nozzle group;

the articulated arm is connected with the connecting arms on the two groups of air nozzle groups positioned on the same side; and

the pushing cylinder is installed on the spraying chamber and pushes the hinged joint of the hinged arm to drive the two groups of air nozzle groups on the same side to rotate in opposite directions or in the opposite directions.

As an improvement, the bottom parts of the two sides of the spraying chamber are provided with water mist nozzles which spray water mist, so that the water mist is not dispersed;

and a recovery tank is arranged at the bottom of the spraying chamber and used for recovering the water mist and the paint mist.

As an improvement, the light curing module comprises a plurality of UV lamps, the UV lamps are arranged above the conveying module, and the UV lamps irradiate the sprayed accessories.

The spraying process of the full-automatic furniture accessory surface spraying treatment system based on the above comprises the following steps:

step a, inputting, namely flatly placing the accessory on a conveying module, and conveying the accessory to the spraying module by the conveying module;

b, in the process of conveying the accessory to the spraying module, a gas nozzle on a gas sweeping module arranged above the conveying module sprays gas towards the accessory to clean dust on the surface of the accessory;

c, loading, namely loading the accessories one by one onto a positioning mechanism which is close to the conveying module on a rotary loading device, and positioning and bearing the accessories by the positioning mechanism;

d, rotating and switching, wherein a switching mechanism on the rotating feeding device is started, and accessories on the positioning mechanism are transferred to the position below a spraying manipulator in the spraying chamber;

step e, spraying, namely spraying paint mist around the accessories by the spraying manipulator, and synchronously starting the upwarping mechanism below the positioning mechanism to enable the accessories to tilt towards the spraying manipulator;

step f, converging, wherein a converging mechanism below the accessory is started synchronously with the step e, a gas vortex is formed below the accessory, and the paint mist sprayed by the spraying manipulator is converged at the accessory;

step g, purifying, wherein in synchronization with the step e, a purifying device in the spraying chamber is started to form a gas curtain around the fittings, and the gas curtain is converged towards the converging mechanism to purify the paint mist in the spraying chamber;

and h, curing, namely resetting the part subjected to spraying treatment to the conveying module, transferring the part to the curing module by the conveying module, and performing paint surface curing treatment by a UV lamp.

The invention has the beneficial effects that:

(1) according to the invention, the gas sprayed by the purification device gathers towards the accessory, and meanwhile, the arrangement of the gathering mechanism is matched, so that the gas and the paint mist are gathered at the gathering mechanism, and then are guided downwards by the gathering mechanism to be mixed with the water mist, and are collected and treated, thereby achieving the technical effect that the paint mist is close to zero divergence in the spraying process;

(2) according to the invention, the spraying manipulator sprays the UV paint mist towards the accessory, and in the spraying process, the spraying manipulator rotates around the accessory and tilts upwards towards the spraying manipulator under the driving of the tilting mechanism by matching with the accessory on the positioning mechanism, so that the UV paint mist can wrap the edge of the accessory for spraying, and the technical effect that the edge of the accessory is perfectly sprayed to form an art designing edge is achieved;

(3) according to the invention, the converging mechanism rotates along with the rotation of the spraying manipulator, a downward gas vortex is formed below the fitting on the positioning mechanism, and the paint mist sprayed by the spraying manipulator is converged, so that the paint mist wraps the material to be sprayed, and the redundant material after spraying is converged downwards to flow in a guiding manner;

(4) according to the invention, through the matching of the upwarping mechanism and the guiding mechanism, when one side edge of the material swinging and upwarping is wrapped by UV paint mist for spraying, the UV paint mist is guided along the inclined direction, the edge of the material is sprayed fully and uniformly, and the spraying effect of the edge is more perfect;

(5) in the purification device, the air nozzle can be diffused and folded in a reciprocating manner in the air injection process to form an air diffusion and folding effect, an air protection layer which is continuously contracted and expanded is formed around the accessory, and the paint mist is wrapped in the protection layer.

In conclusion, the spraying device has the advantages of ingenious structure, high spraying effect and the like, and is particularly suitable for the technical field of automatic spraying.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the air sweep module of the present invention;

FIG. 3 is a schematic perspective view of a spray module according to the present invention;

FIG. 4 is a schematic view of a partial structure of a spray module according to the present invention;

FIG. 5 is a schematic side view of the rotary feeder of the present invention;

FIG. 6 is a schematic perspective view of a positioning mechanism according to the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is a schematic perspective view of a positioning mechanism according to the present invention;

FIG. 9 is a schematic cross-sectional view of the material distributing mechanism of the present invention;

FIG. 10 is a schematic view of the positioning frame of the present invention in partial cross-section;

FIG. 11 is a schematic perspective view of the purification apparatus of the present invention;

FIG. 12 is an enlarged view of the structure at B in FIG. 11;

FIG. 13 is a schematic cross-sectional view of a spray booth according to the present invention;

FIG. 14 is a perspective view of an air nozzle of the present invention;

FIG. 15 is a schematic sectional view of the purification apparatus of the present invention;

FIG. 16 is a UV lamp distribution diagram of the photocurable module of the present invention;

FIG. 17 is a schematic view of a spraying process of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The first embodiment is as follows:

as shown in fig. 1 to 16, a full-automatic spraying treatment system for the surfaces of furniture fittings comprises an air sweeping module I, a spraying module II and a light curing module III in sequence along a processing procedure, wherein the air sweeping module I, the spraying module II and the light curing module III are connected through a conveying module IV;

the spraying module II comprises a spraying chamber 1, a rotary feeding device 2 and a purifying device 3;

a spraying manipulator 11 for spraying is arranged in the spraying chamber 1;

the rotary feeding device 2 is arranged between the conveying module IV and the spraying chamber 1, and the rotary feeding device 2 comprises a switching mechanism 21, a positioning mechanism 22, an upwarping mechanism 23 and a converging mechanism 24;

the purification device 3 is arranged in the spraying chamber 1, and the purification device 3 discharges air around the spraying manipulator 11 to isolate the paint mist sprayed by the spraying manipulator 11;

the switching mechanism 21 is installed on the painting booth 1 at a position close to the conveying module IV, and the switching mechanism 21 transfers the accessories 10 conveyed on the conveying module IV to below the painting robot 11;

the positioning mechanism 22 is mounted on the switching mechanism 21, and the positioning mechanism 22 is used for positioning and carrying the accessory 10;

the upwarp mechanism 23 is installed below the positioning mechanism 22, and the upwarp mechanism 23 drives the positioning mechanism 22 to swing, so that the accessory 10 on the positioning mechanism 22 is upwarped towards the spraying manipulator 11;

the converging mechanism 24 is disposed right below the accessory 10 carried by the positioning mechanism 22, the converging mechanism 24 converges the paint mist sprayed by the spraying manipulator 11 onto the accessory 10, and the converging mechanism 24 guides the gas discharged from the purifying device 3 to converge at the accessory 10.

Wherein, the air sweeping module I for removing dust on the surface of the accessory 10 comprises air nozzles 101 which are arranged at equal intervals along the width direction of the conveying module IV, and the air nozzles 101 blow air towards the accessory 10 on the conveying module IV.

In a preferred embodiment, the switching mechanism 21 includes:

a switching arm 211, wherein the switching arm 211 is rotatably mounted on the coating chamber 1, and the positioning mechanism 22 is mounted on each of both ends of the switching arm 211; and

and a switching motor 212, wherein the switching motor 212 is installed below the switching arm 211, and the switching motor 212 drives the switching arm 211 to rotate and swing.

Further, the positioning mechanism 22 includes:

the rotating shaft 221, the rotating shaft 221 is vertically and rotatably mounted on the switching mechanism 21;

the sleeve 222 is sleeved on the rotating shaft 221, and the rotating shaft 221 is freely and rotatably arranged relative to the sleeve 222; and

the bottom of the positioning frame 223 is connected with the sleeve 222 through a universal joint 224, the positioning frame 223 is freely arranged in a swinging mode relative to the sleeve 222, and a positioning hole 225 for inserting a water port column on the fitting 10 is formed in the positioning frame 223.

On the basis of the positioning mechanism 22, the upwarping mechanism 23 includes:

the upwarp motor 231 is mounted on the switching mechanism 21, and the upwarp motor 231 drives the rotating shaft 221 to rotate;

the rotating disc 232 is sleeved on the rotating shaft 221, the rotating disc 232 rotates synchronously with the rotating shaft 221, and a top block 233 is convexly arranged at the circumferential edge of the rotating disc 232;

the supporting arms 234 are uniformly distributed below the positioning frame 223, the supporting arms 234 support the positioning frame 223, the supporting arms 234 are arranged in a telescopic manner, and each supporting arm 234 comprises a sleeve fixedly connected with the positioning frame 223, a supporting rod capable of being adjusted in a telescopic manner in the sleeve and a spring arranged in the sleeve and capable of being adjusted in a compression manner; and

the guide wheel 235 is mounted at the lower end part of the supporting arm 234, the guide wheel 235 is arranged on the rotating disc 232 in a rolling manner, and when the guide wheel 235 is matched with the top block 233, the positioning frame 223 is tilted upwards;

and a lock 236, wherein the lock 236 is disposed at any one of the support arms 234, the lock 236 is engaged with the corresponding support arm 234 to limit the rotation of the positioning frame 223, and the lock 236 is detachably mounted on the switching mechanism 21.

Accordingly, the convergence fabric 24 includes:

the guide disc 241 is arranged on the positioning frame 223 in a conical shape and rotatably mounted, and the converging fan blades 242 are arranged on the lower end face of the guide disc 241;

a transmission shaft 243, the transmission shaft 243 is arranged adjacent to the guide disc 241, the top of the transmission shaft 243 is in transmission connection with the shaft of the guide disc 241 through a gear transmission set, and the bottom of the transmission shaft 243 is provided with a driven gear 244; and

a driving ring gear 245, the driving ring gear 245 being disposed in cooperation with the driven gear 244, the driving ring gear 245 being disposed in synchronization with the rotation of the rotary plate 232.

Further, the purifying device 3 for purifying paint mist includes:

the air nozzle group 31, the air nozzle group 31 is disposed at four corners of the spray booth 1, the air nozzle group 31 includes a plurality of air nozzles 3111 disposed at equal intervals along the vertical direction, and the air nozzles 311 are freely rotatably disposed;

a connecting arm 32, the connecting arm 32 connecting the air nozzles in the air nozzle group 31;

the articulated arm 33 is connected with the connecting arms 32 on the two groups of the air nozzle groups 31 on the same side; and

the pushing air cylinder 34 is installed on the spraying chamber 1, the pushing air cylinder 34 pushes the hinge point of the hinge arm 33 to drive the air nozzle groups 31 on the two groups of air nozzle groups 31 on the same side to rotate in opposite directions or in opposite directions.

Moreover, the bottom parts of the two sides of the spraying chamber 1 are provided with water mist nozzles 12, and the water mist nozzles 12 spray water mist, so that the paint mist cannot be dispersed;

and a recovery tank 13 is arranged at the bottom of the spraying chamber 1, and the recovery tank 13 is used for recovering water mist and paint mist.

The light curing module III for curing the paint surface of the accessory surface comprises a plurality of UV lamps 102, the UV lamps 102 are arranged above the conveying module IV, and the UV lamps 102 irradiate the sprayed accessory 10.

In the working process, the accessory 10 is flatly placed on a conveying module IV and conveyed to the spraying module II by the conveying module IV, and in the process of conveying the accessory 10 to the spraying module II, an air nozzle 101 arranged on an air sweeping module I above the conveying module IV sprays air towards the accessory 10 to clean dust on the surface of the accessory 10; the cleaned accessories 10 are sequentially and sequentially installed on the positioning mechanism 22, where it should be noted that when the accessories 10 are plastic pieces, the water port columns on the lower end surfaces of the accessories 10 are inserted into the positioning holes 225 to realize positioning and loading of the accessories 10, and when the metal pieces are, magnets may be arranged on the positioning frame to position and fix the accessories;

the switching motor 212 drives the switching arm 211 to rotate, so that the newly-loaded accessory 10 is switched to the spraying manipulator 11 in a rotating manner, at this time, the spraying manipulator 11 is located right above the accessory 10, the spraying manipulator 11 is started to spray paint mist around the accessory 10, and it should be noted here that the spraying manipulator 11 is an articulated manipulator and can rotate and swing in X, Y, Z three directions;

in the process of spraying by the spraying manipulator 11, the upwarp motor 231 is started to drive the rotating shaft 221 to rotate, the rotating disc 232 rotates synchronously, the positioning frame 223 is locked by the locking block 236 and cannot rotate, when the projection 333 on the rotating disc 232 is matched with the guide wheel 235 on the corresponding support arm 234, the corresponding side of the positioning frame 223 is jacked up, and at the moment, the spraying manipulator 11 is just positioned on the side to perform spraying work, and it should be noted here that the positioning frame 223 can freely perform swinging and tilting at an included angle of 20-40 degrees due to the arrangement of the universal joint 224.

The edge of the accessory 10 tilts and tilts, so that the spraying manipulator 11 can better spray the edge of the tilted material, the edge of the material can reach the effect that the whole circle is wrapped by UV paint, and the spraying effect of the edge of the material can be easily ignored in the common spraying process.

In addition, through the rotation of rotary disk 232, drive ring gear 245 and carry out synchronous revolution, cooperation through driven gear 244, make transmission shaft 243 drive positioning disk 241 rotate, because positioning disk 241's lower terminal surface is provided with and assembles flabellum 242 and can fan down gas formation gas vortex, drive spraying manipulator 11 spun UV coating cloud and assemble to the center of accessory 10, can be better carry out the spraying to the lower border of material, and unnecessary UV coating cloud leads to the floor of spray booth down through gas vortex, the divergence of UV coating cloud has been avoided, produce harm to operating personnel.

And in the convergence process, the purification device 3 in the spraying chamber 1 is started to form a gas curtain around the accessory 10, the gas curtain is converged towards the convergence mechanism 24 to purify the paint mist in the spraying chamber 1, and in the air injection process of the purification device 3, the air nozzle can be reciprocally diffused and folded to form the effect of gas diffusion and folding, so that a gas protection layer which is continuously contracted and expanded is formed around the accessory, and the paint mist is wrapped in the protection layer.

Finally, the painted part 10 is transferred to a light curing module III by a transport module IV and is finished by a paint finish light curing process by a UV lamp 102

The second embodiment:

as shown in fig. 17, a spraying process of the fully automatic furniture accessory surface spraying treatment system according to the first embodiment includes:

step a, inputting, namely flatly placing the accessory 10 on a conveying module IV, and conveying the accessory 10 to a spraying module II through the conveying module IV;

b, air sweeping, wherein in the process of conveying the accessory 10 to the spraying module II, an air nozzle 101 on an air sweeping module I arranged above the conveying module IV sprays air towards the accessory 10 to clean dust on the surface of the accessory 10;

c, loading, namely loading the accessories 10 onto a positioning mechanism 22, close to the conveying module IV, of the rotary loading device 2 one by one, and positioning and bearing the accessories 10 by the positioning mechanism 22;

d, rotating and switching, wherein the switching mechanism 21 on the rotary feeding device 2 is started to transfer the accessories 10 on the positioning mechanism 22 to the position below the spraying manipulator 11 in the spraying chamber 1;

step e, spraying, namely spraying paint mist around the accessory 10 by the spraying manipulator 11, and synchronously starting the upwarping mechanism 23 below the positioning mechanism 22 to enable the accessory 10 to tilt towards the spraying manipulator 11;

step f, converging, wherein a converging mechanism 24 below the accessory 10 is started synchronously with the step e, a gas vortex is formed below the accessory 10, and the paint mist sprayed by the spraying manipulator 11 is converged at the accessory 10;

step g, purification, wherein in synchronization with the step e, the purification device 3 in the spray chamber 1 is started to form a gas curtain around the fitting 10, and the gas curtain is converged towards the convergence mechanism 24 to purify the paint mist in the spray chamber 1;

and h, curing, namely resetting the part 10 subjected to spraying treatment to the conveying module IV, transferring the part to a curing module III by the conveying module IV, and performing paint surface curing treatment by the UV lamp 102.

In the step b, after the air nozzle removes dust on the surface of the fitting 10, the formed paint surface is smoother and more textured when the fitting 10 is subjected to spraying treatment.

In step c, two sets of positioning mechanisms 22 are provided, one set is used for carrying the accessories 10 to be sprayed and processed, and the other set is used for reloading a new set of the accessories 10 which are not sprayed and waiting for spraying and processing after the sprayed accessories 10 are transferred to the conveying module IV to be discharged.

In step e and step f, the upwarp mechanism 23 is started to drive the convergence mechanism 24 to start, and the starting processes of the upwarp mechanism 23 and the convergence mechanism 24 are already described in detail in embodiment 1 and are not described herein again.

In step g, it should be emphasized that the air nozzles 3111 can rotate freely at a certain angle, and the pushing of the pushing cylinder 34 is matched with the arrangement of the connecting arm 32 and the hinged arm 33, so that the included angle formed by the air nozzles 3111 in the two sets of air nozzle groups 31 on the same side is relatively increased or decreased, the purpose of forming a diffusion or contraction air protection layer is achieved, the paint mist is not diffused, and the downward gas vortex formed by the converging mechanism 24 can affect the air protection layer, so as to promote the collection and convergence of the paint mist.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a full-automatic spraying processing system in furniture accessory surface, includes gas sweep module (I), spraying module (II) and the solid module of light (III) along manufacturing procedure in proper order, connect its characterized in that through transport module (IV) between gas sweep module (I), spraying module (II) and the solid module of light (III):

the spraying module (II) comprises a spraying chamber (1), a rotary feeding device (2) and a purifying device (3);

a spraying manipulator (11) for spraying is arranged in the spraying chamber (1);

the rotary feeding device (2) is arranged between the conveying module (IV) and the spraying chamber (1), and the rotary feeding device (2) comprises a switching mechanism (21), a positioning mechanism (22), an upwarping mechanism (23) and a converging mechanism (24);

the purification device (3) is arranged in the spraying chamber (1), and the purification device (3) surrounds the spraying mechanical arm (11) to discharge air so as to isolate paint mist sprayed by the spraying mechanical arm (11);

the switching mechanism (21) is arranged on the spraying chamber (1) at a position close to the conveying module (IV), and the switching mechanism (21) transfers the accessories (10) conveyed on the conveying module (IV) to the lower part of the spraying manipulator (11);

the positioning mechanism (22) is arranged on the switching mechanism (21), and the positioning mechanism (22) is used for positioning and bearing the accessory (10);

the upwarping mechanism (23) is arranged below the positioning mechanism (22), and the upwarping mechanism (23) drives the positioning mechanism (22) to swing, so that the accessories (10) on the positioning mechanism (22) are upwarped towards the spraying manipulator (11);

the gathering mechanism (24) is arranged under the accessory (10) borne by the positioning mechanism (22), the paint mist sprayed by the spraying mechanical arm (11) is gathered on the accessory (10) by the gathering mechanism (24), and the gathering mechanism (24) guides the gas discharged by the purifying device (3) to be gathered at the accessory (10).

2. The full-automatic spraying treatment system for the surfaces of furniture fittings according to claim 1, wherein:

the air sweeping module (I) comprises air nozzles (101) which are arranged at equal intervals along the width direction of the conveying module (IV), and the air nozzles (101) blow air towards the fittings (10) on the conveying module (IV).

3. The fully automatic furniture accessory surface coating system according to claim 1, wherein the switching mechanism (21) comprises:

a switching arm (211), wherein the switching arm (211) is rotatably mounted on the spray chamber (1), and the positioning mechanisms (22) are respectively mounted at two end parts of the switching arm (211); and

the switching motor (212) is installed below the switching arm (211), and the switching motor (212) drives the switching arm (211) to rotate and swing.

4. The fully automatic furniture accessory surface coating system according to claim 1, wherein the positioning mechanism (22) comprises:

the rotating shaft (221), the rotating shaft (221) is vertically and rotatably mounted on the switching mechanism (21);

the sleeve (222) is sleeved on the rotating shaft (221), and the rotating shaft (221) is freely and rotatably arranged relative to the sleeve (222); and

the bottom of locating rack (223) through universal joint (224) that sets up with sleeve (222) is connected, locating rack (223) for sleeve (222) free swing sets up, be provided with the confession on locating rack (223) mouth post male locating hole (225) on accessory (10).

5. The fully automatic furniture accessory surface coating system according to claim 4, wherein the raising mechanism (23) comprises:

the upwarp motor (231), the upwarp motor (231) is arranged on the switching mechanism (21), and the upwarp motor (231) drives the rotating shaft (221) to rotate;

the rotating disc (232) is sleeved on the rotating shaft (221), the rotating disc (232) rotates synchronously with the rotating shaft (221), and a top block (233) is arranged at the circumferential edge of the rotating disc (232) in a protruding mode;

the supporting arms (234), the supporting arms (234) are uniformly distributed below the positioning frame (223), the supporting arms (234) support the positioning frame (223), and the supporting arms (234) are arranged in a telescopic manner; and

the guide wheel (235) is mounted at the lower end part of the supporting arm (234), the guide wheel (235) is arranged on the rotating disc (232) in a rolling mode, and when the guide wheel (235) is matched with the top block (233), the positioning frame (223) is tilted upwards;

the lock piece (236) is arranged at any one of the support arms (234), the lock piece (236) is clamped with the corresponding support arm (234) to limit the rotation of the positioning frame (223), and the lock piece (236) is detachably arranged on the switching mechanism (21).

6. The fully automatic furniture accessory surface coating system according to claim 5, wherein the convergence mechanism (24) comprises:

the guide disc (241) is arranged on the positioning frame (223) in a conical shape in a rotating mode, and converging fan blades (242) are arranged on the lower end face of the guide disc (241);

the transmission shaft (243), the transmission shaft (243) and the guide disc (241) are arranged adjacently, the top of the transmission shaft (243) is in transmission connection with the shaft of the guide disc (241) through a gear transmission set, and the bottom of the transmission shaft (243) is provided with a driven gear (244); and

a driving ring gear (245), wherein the driving ring gear (245) is matched with the driven gear (244), and the driving ring gear (245) is synchronously arranged with the rotating disk (232) in a rotating mode.

7. The fully automatic furniture accessory surface coating treatment system according to claim 1, wherein the purification device (3) comprises:

the air nozzle group (31), the air nozzle group (31) is arranged at four corners of the spraying chamber (1), the air nozzle group (31) comprises a plurality of air nozzles (311) which are equidistantly arranged along the vertical direction, and the air nozzles (311) are freely and rotatably arranged;

a connecting arm (32), the connecting arm (32) connecting the air nozzles (311) within the air nozzle group (31);

the articulated arm (33), the said articulated arm (33) connects the link arm (32) on two sets of said air nozzle groups (31) located on the same side; and

the pushing air cylinder (34) is installed on the spraying chamber (1), the pushing air cylinder (34) pushes the hinge point of the hinge arm (33) to drive the air nozzles (311) on the two air nozzle groups (31) located on the same side to rotate in the opposite direction or in the opposite direction.

8. The full-automatic spraying treatment system for the surfaces of furniture fittings according to claim 7, wherein:

the bottom parts of two sides of the spraying chamber (1) are provided with water mist nozzles (12), and the water mist nozzles (12) spray water mist, so that the water mist cannot be dispersed;

the bottom of the spraying chamber (1) is provided with a recovery tank (13), and the recovery tank (13) is used for recovering water mist and paint mist.

9. The full-automatic spraying treatment system for the surfaces of furniture fittings according to claim 1, wherein:

the light-curing module (III) comprises a plurality of UV lamps (102), the UV lamps (102) are arranged above the conveying module (IV), and the UV lamps (102) irradiate the sprayed accessories (10).

10. A spraying process based on the fully automatic furniture accessory surface spraying treatment system of any one of claims 1 to 9, which is characterized by comprising the following steps:

step a, inputting, namely flatly placing the accessory (10) on a conveying module (IV), and conveying the accessory to the spraying module (II) by the conveying module (IV);

b, air sweeping, wherein in the process of conveying the accessory (10) to the spraying module (II), an air nozzle (101) arranged on an air sweeping module (I) above the conveying module (IV) sprays air towards the accessory (10) to clean dust on the surface of the accessory (10);

c, loading, namely loading the accessories (10) one by one onto a positioning mechanism (22) close to the conveying module (IV) on the rotary loading device (2), and positioning and bearing the accessories (10) by the positioning mechanism (22);

d, rotating and switching, wherein a switching mechanism (21) on the rotating feeding device (2) is started to transfer the accessories (10) on the positioning mechanism (22) to the lower part of a spraying manipulator (11) in the spraying chamber (1);

e, spraying, namely spraying paint mist around the accessory (10) by the spraying manipulator (11), and synchronously starting the upwarping mechanism (23) below the positioning mechanism (22) to enable the accessory (10) to tilt towards the spraying manipulator (11);

f, converging, wherein a converging mechanism (24) below the accessory (10) is started synchronously with the step e, a gas vortex is formed below the accessory (10), and the paint mist sprayed by the spraying mechanical arm (11) is converged at the accessory (10);

step g, purification, wherein in synchronization with the step e, a purification device (3) in the spraying chamber (1) is started to form a gas curtain around the fitting (10), and the gas curtain is converged towards the convergence mechanism (24) to purify paint mist in the spraying chamber (1);

and h, curing, namely resetting the part (10) subjected to spraying treatment to the conveying module (IV), transferring the part to a curing module (III) by the conveying module (IV), and curing the paint surface by a UV lamp (102).