CN218190434U

CN218190434U - Metal paint spraying device for arched wood veneer

Info

Publication number: CN218190434U
Application number: CN202221982786.8U
Authority: CN
Inventors: 郭健
Original assignee: Zhejiang Yobo Home Technology Co ltd
Current assignee: Zhejiang Yobo Home Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-03
Anticipated expiration: 2032-07-29

Abstract

The embodiment of the application discloses metallic paint spraying apparatus of arch wood veneer and method of spraying paint thereof, including the workstation, this kind of metallic paint spraying apparatus still includes: the transverse moving mechanism is used for carrying the workbench to reciprocate along the x-axis direction; a ceiling base; the paint spraying mechanism comprises a plurality of paint spraying units, and the paint spraying units are arranged along the y-axis direction and are sequentially connected; and a control system; the paint spraying unit comprises a paint spraying rack, a reciprocating driving unit installed through the paint spraying rack, a spraying unit installed through the reciprocating driving unit, and a slope adjusting unit installed through the ceiling base, wherein the adjacent spraying racks are hinged, and a hinge shaft is arranged along the x-axis direction; the slope adjusting unit is used for enabling the paint spraying machine frame to be provided with an auxiliary line parallel to the slope adjusting unit and tangent to the painted surface of the workpiece, and the projection point from the tangent line point to the paint spraying machine frame is located at the middle point of the length of the paint spraying machine frame.

Description

Metal paint spraying device for arched wood veneer

Technical Field

The utility model relates to a paint spraying equipment technical field specifically is a device that is used for metallic paint of arch wood veneer to spray paint.

Background

The wood veneer is a decorative facing material of an indoor wall body and has the characteristic of large breadth. Along with the popularization of wood veneer decoration, the demand of wood veneer decoration on arc wall bodies, bearing columns and the like is generated, and the product of the arched wood veneer is generated.

The surface painting process of the wood veneer mostly adopts a paint spraying process. Metallic paint, an aqueous paint containing metallic powder to give metallic luster to the paint film, is a more recent popular painting process. However, due to the presence of the metal powder, the metal paint should be sprayed in a relatively short time, and the paint in the paint storage tank needs to be stirred continuously during the spraying process.

In the prior art, due to the special shape of the arched wood veneer, manual paint spraying is mostly adopted for the metal paint spraying treatment of the arched wood veneer. The operator is required to finish painting the workpiece by reciprocating in the longitudinal direction of the workpiece and feeding in the width direction (chord direction) of the workpiece. The time for finishing the arched wood veneer is usually longer, an operator needs to keep the spray painting gun head at the same distance with the decorative surface to be painted of the workpiece all the time and move the spray painting gun head to and fro, and the water-based paint is easy to escape and volatilize in the spray painting process, so that the health of the operator is influenced. On the other hand, as the painting time increases, the deposition of metal powder in the paint storage tank becomes significant, resulting in a higher metal powder content in the area to be painted last than in the area to be painted first, which affects the painting effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technical problem to a device that is used for the metallic paint of arch wood veneer to spray paint is provided, it can overcome one of above-mentioned technical problem at least.

In order to achieve the above object, an embodiment of the utility model provides a metallic paint spraying apparatus of arch wood veneer, including the workstation, this kind of metallic paint spraying apparatus still includes:

the transverse moving mechanism is used for carrying the workbench to reciprocate along the x-axis direction;

a ceiling base;

the paint spraying mechanism comprises a plurality of paint spraying units, and the paint spraying units are arranged along the y-axis direction and are sequentially connected; and

a control system;

the paint spraying unit comprises a paint spraying rack, a reciprocating driving unit installed through the paint spraying rack, a spraying unit installed through the reciprocating driving unit, and a slope adjusting unit installed through the ceiling base, wherein the adjacent spraying racks are hinged, and a hinge shaft is arranged along the x-axis direction; the slope adjusting unit is used for enabling the paint spraying machine frame to be provided with an auxiliary line parallel to the slope adjusting unit and tangent to the painted surface of the workpiece, and the projection point from the tangent line point to the paint spraying machine frame is located at the middle point of the length of the paint spraying machine frame.

Preferably, the adjacent paint spraying units are connected through a connector, and the connector is an elastic piece and can change the length and the shape of the connector at least in the y-axis direction.

Preferably, the two ends of the paint spraying machine frame are respectively provided with a cylindrical connection strip, the two ends of the connection piece are respectively provided with a connection groove with a partial arc, and the cross section shape of the connection strip is matched with that of the connection groove.

Preferably, the connection piece comprises an elastic column body and connection parts respectively arranged at two ends of the elastic column body, and the connection groove is formed in the connection part.

Preferably, the slope adjusting unit comprises a telescopic air rod electrically connected with the control system, the fixed end of the telescopic air rod is arranged on the ceiling base, and the telescopic end of the telescopic air rod is hinged with the connecting piece.

Preferably, the telescopic air bar is a pen-shaped air bar.

Preferably, one end of the spray rack corresponding to the y-axis direction center line of the workpiece is fixedly arranged on the ceiling base through a connecting rod.

Preferably, the slope adjusting unit further comprises a distance sensor disposed at a midpoint of a length of the paint spraying stand, and the distance sensor is electrically connected to the control system.

Preferably, the table is rotatably provided on the traverse mechanism.

To sum up, compare with prior art, the beneficial effects of the utility model are that: through dividing the work piece into a plurality of application areas of treating along the y axle direction, every is treated the application and is taken to correspond the unit that sprays paint that has a slope to adjust, and it is roughly the same to make a plurality of units that spray paint the distance of spraying paint on the lacquer surface of wood veneer, and the flexibility of spraying paint is high to the machinery that has realized arch wood veneer sprays paint, avoids the artifical health hazard that sprays paint and lead to the fact the operator. Furthermore, the plurality of to-be-coated belts are in one-to-one correspondence with the plurality of paint spraying units, and when the plurality of paint spraying units adjust the slope of the plurality of to-be-coated belts to be parallel to the chord lines of the corresponding to-be-coated belts, the workpieces can be simultaneously subjected to paint spraying treatment, so that the paint spraying working efficiency is improved. In a relatively short paint spraying time, the deposition of the metal powder in the water-based paint is not obvious, so that the content of the metal powder in the water-based paint sprayed in the last time period of the paint spraying work can be equivalent to that of the metal powder in the water-based paint sprayed in the initial time period of the paint spraying work, the metal luster and the brightness of a paint film are kept consistent, and the paint spraying quality is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a metal paint spraying apparatus for an arched wood veneer according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a traverse mechanism according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a painting mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a connector according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a connection strip according to an embodiment of the present application.

In the figure: 1. the device comprises a workbench, 11, an operation table board, 12, a rotary connecting unit, 13, a supporting table, 2, a traversing mechanism, 3, a ceiling base, 4, a paint spraying mechanism, 41, a paint spraying frame, 42, a reciprocating driving unit, 43, a spraying unit, 44, a slope adjusting unit, 45, a connecting rod, 46, a connecting strip, 5, a workpiece, 6, a connecting piece, 61, an elastic column, 62, a connecting part, 63, a connecting groove, 64, a supporting piece, a first to-be-coated belt, b, a second to-be-coated belt, c and a third to-be-coated belt.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Referring to fig. 1 and 2, the metal paint spraying device for the arched wood veneer comprises a workbench 1, a transverse moving mechanism 2, a suspended ceiling base 3, a paint spraying mechanism 4 and a control system. During painting, the workpiece 5 is placed on the table 1 with its longitudinal direction in the same direction as the x-axis direction. The control system is an existing PLC control center and at least comprises a control cabinet or necessary switches.

The working platform 1 may be a metal frame type paint spraying working platform in the prior art, and for example, includes a working platform surface, a rotary connection unit, and a supporting platform, and the working platform surface can be installed on the supporting platform through the rotary connection unit without limit rotation. The worktable 1 is a plane operating table, and the arched workpiece 5 is placed on the worktable 1 and can be relatively fixed on the worktable 1 under the action of the arched structure. In this embodiment, the working table 1 further includes a cam plate and a movable clamping plate respectively disposed at two ends of the operation table 11 along the x-axis direction. The clamping structure of the backer board and the movable clamping board is available. For example, the backup plate is welded to one end of the operation table 11; the other end surface of the operation table 11 has a pair of rails, the slide block at the bottom of the movable clamp plate is matched with the pair of rails to enable the movable clamp plate to slide and move along the pair of rails to adjust the relative distance between the movable clamp plate and the mountain-leaning plate, a fastening bolt penetrates through the gap between the pair of rails and extends into a thread groove at the bottom of the slide block, the inner side of the head of the fastening bolt abuts against the back surfaces of the pair of rails, and therefore the movable clamp plate can be in a fixed state or a movable state by screwing or loosening the fastening bolt. The rotary connection unit 12 includes a rotary shaft, one end of which is welded to the bottom surface of the operation table 11, and the other end of which is connected to the support table 13 by a bearing. Preferably, a first limiting block is welded on the bottom surface of the operation table 11, a second limiting block is welded on the surface of the support table 13, the second limiting block can limit the rotation angle of the first limiting block to 180 degrees, and in the first limiting state, the length direction of the workpiece 5 is along the x-axis direction, and in the second limiting state after the workpiece 5 rotates 180 degrees, the length direction of the workpiece 5 is still along the x-axis direction.

The support table 13 is screw-mounted on the traverse mechanism 2 so that the table 1 can reciprocate in the x-axis direction. The traversing mechanism 2 may be a prior art reciprocating conveyor mechanism, and the traversing mechanism 2 includes a conveyor belt capable of conveying in the x-axis direction, such as a conveyor belt, a conveyor sprocket, or a conveyor track. The embodiment uses a conveying track, and the conveying belt is installed through a driving wheel and a tension wheel and driven by the driving wheel and a motor. The support table 13 is screwed on the conveyor belt. The x-axis displacement of the support table 13 driven by the conveyor belt is equal to or greater than the length of the workpiece 5.

Referring back to fig. 1, ceiling base 3 is installed to the spiro union on the roof inner wall of the spray booth directly over workstation 1, and ceiling base 3 is prior art's metal frame formula furred ceiling structure, as long as can be used for spiro union hoist and mount functional component can.

Mechanism 4 of spraying paint includes a plurality of units of spraying paint, and a plurality of units of spraying paint set up and link up in proper order along the overall arrangement of y axle direction. The painting unit includes a painting stand 41, a reciprocating driving unit 42 installed through the painting stand 41, a spraying unit 43 installed through the reciprocating driving unit 42, and a slope adjusting unit 44 installed through the ceiling base 3. The adjacent shower frames 41 are hinged and the hinge axis is arranged along the x-axis direction. The slope adjustment unit 44 is used to make the paint spraying frame 41 always have an auxiliary line parallel to the auxiliary line tangent to the painted surface of the workpiece 5, and the projection point of the tangent line point to the paint spraying frame 41 is located at the middle point of the length of the paint spraying frame 41.

Borrow by above-mentioned structure, through dividing into a plurality of application areas of treating with work piece 5 along the y axle direction, every treats that the application takes to correspond the unit that sprays paint that has a slope to adjust, makes a plurality of units that spray paint roughly the same to the distance of spraying paint on the lacquer decoration surface of wood veneer, and the flexibility of spraying paint is high to the machinery that has realized arch wood veneer sprays paint, avoids the artifical health hazard that sprays paint and cause the operator. Furthermore, a plurality of to-be-coated belts correspond to the plurality of paint spraying units one by one, and when the plurality of paint spraying units adjust the slope of each to-be-coated belt to be parallel to the chord line of the corresponding to-be-coated belt, the paint spraying treatment can be simultaneously carried out on the workpiece 5, so that the paint spraying working efficiency is improved. In a relatively short paint spraying time, the metal powder is not obviously deposited in the water-based paint, so that the content of the metal powder in the water-based paint sprayed in the last time period of the paint spraying work can be equivalent to that of the metal powder in the water-based paint sprayed in the initial time period of the paint spraying work, the metal luster and the brightness of a paint film are kept consistent, and the paint spraying quality is improved.

In one embodiment, the paint spray stand 41 is a prior art metal rail, and the reciprocating drive unit 42 is a prior art screw mechanism plus servo head drive system capable of driving the spray unit 43 to reciprocate along the paint spray stand 41. The spraying unit 43 is a prior art, and includes an atomizer connected to a paint storage tank pipeline, and a nozzle mounting bracket for fixing the atomizer in a threaded manner, and one end of the nozzle mounting bracket is connected to a head of the reciprocating driving unit 42 in a threaded manner so as to be driven by the reciprocating driving unit 42.

In the present embodiment, referring to fig. 3, the paint spraying frame 41 is a metal rail, and the bottom of the paint spraying frame 41 has a through slot for moving the spraying unit 43 along the length direction of the paint spraying frame 41. The reciprocating driving unit 42 includes a driving wheel and a driven wheel installed through the painting frame 41, the driving wheel is driven by a reduction motor, a driving belt is installed through the driving wheel and the driven wheel, and a lower stroke section of the driving belt is supported by the painting frame 41. The spraying unit 43 is installed at the lower run of the driving belt by a metal plate screw joint. Controlling the deceleration motor to rotate forward or backward drives the painting unit 43 to reciprocate along the painting stand 41.

The adjacent painting stands 41 are connected by a connection member 6, and the connection member 6 is an elastic member capable of changing its length and shape at least in the y-axis direction. For example, referring to fig. 4 and 5, the connector 6 includes an elastic cylinder 61, and a connector 62 respectively adhered or screwed to two ends of the elastic cylinder 61, where the elastic cylinder 61 is a rubber strip, and those skilled in the art can select a rubber strip with appropriate elasticity according to the required size deformation range and strength requirement. The connection part 62 is a metal piece, a connection groove 63 is formed in the connection part 62, and the connection groove 63 is a partial arc groove. The two ends of the paint spraying machine frame 41 are respectively welded, screwed or integrally formed with a cylindrical connection strip 46, and the cross section shape of the connection strip 46 is matched with that of the connection groove 63.

The slope adjusting unit 44 includes a telescopic air rod electrically connected to the control system, a fixed end of the telescopic air rod is installed on the ceiling base 3 through an air rod seat in a screw joint manner, and a telescopic end of the telescopic air rod is connected with the connecting piece 6 through any one of hinge pieces in the prior art in a hinge manner. Preferably, a support plate 64 made of metal material is adhered or screwed on one side of the elastic column 61, and the telescopic end of the telescopic air rod is hinged with the support plate 64. In order to ensure a sufficient telescopic stroke, the telescopic air rod is a pen-shaped air rod.

In one embodiment, the operator may operate the extension and retraction of each ramp rate adjustment unit 44 via the control system to effect the raising and lowering of each docking member 6 to adjust the ramp rate of each paint spraying stand 41. Thus, in a geometrical relationship, if each paint booth 41 is moved toward the workpiece 5 in a direction along the diameter of the workpiece 5 until the paint booth 41 contacts the painted surface of the workpiece 5, the paint booth 41 is tangent to the workpiece 5 at a point that is a midpoint of the length of the paint booth 41.

As a preferred embodiment, one end of the first shower frame 41 corresponding to the y-axis direction center line of the workpiece 5 is fixedly provided on the ceiling base 3 by the link 45, so that the distance L from the end to the y-axis direction center line of the workpiece 5 is fixed. Meanwhile, the slope adjusting unit 44 further includes a distance sensor disposed at a midpoint of the length of the paint spraying stand 41, and the distance sensor is electrically connected to the control system. The distance sensor is used for measuring the minimum distance from the middle point of the length of the paint spraying frame 41 to the painted surface of the workpiece 5 and feeding back the distance to the control system; and then inputting the radius R of the workpiece 5 into a control system, wherein the control system can calculate the expansion amount of each expansion air rod according to the numerical value of the radius R of the workpiece 5, the length of the spraying machine frame 41 and the distance L from the first end of the first spraying machine frame 41 to the central line of the workpiece 5 in the y-axis direction, and when the expansion air rod drives the connecting piece 6 to ascend and descend in place, the distance sensor sends in-place feedback again and controls the expansion air rod to stop working through the control system.

In the present embodiment, the painting mechanism 4 includes 3 sets of the first painting unit, the second painting unit, and the third painting unit from the side of the center line in the y-axis direction of the workpiece. The first end spiro union of the frame 41 of spraying paint of the first unit of spraying paint is connected with a tie rod 45, the other end spiro union of the tie rod 45 is fixed to be set up on the suspended ceiling base 3, thus the first end of the frame 41 of spraying paint of the first unit of spraying paint is fixed to the distance of the y axle direction central line of the work piece 5.

According to the paint spraying method of the metal paint spraying device for the arched wood veneer, the plurality of paint spraying units 43 form a pair from one side of the center line of the y-axis direction of the workpiece 5, and the paint spraying actions of the two paint spraying units 43 in the pair of paint spraying units 43 are fed oppositely along the y-axis direction.

Referring to fig. 1, with reference to the present embodiment, there are 3 groups of paint spraying units (i.e., a first paint spraying unit, a second paint spraying unit, and a third paint spraying unit) in the present embodiment. First, the work 5 is placed on the operation table 11 in such a manner that the longitudinal direction thereof coincides with the x-axis direction, and if there is no clamp structure, the operation table 11 is caught to some extent by the arc of the work 5 to relatively fix the work 5, and if there is the work 1 having the clamp structure, the work 5 is fastened by the clamp structure. Subsequently, size data (such as circular arc diameter and the like) of the workpiece 5 is input into a control system, the control system can calculate the stretching amount of each stretching air rod by combining with inherent data (such as the length of the spray rack 41 and the distance from the first end of the first spray rack 41 to the y-axis direction center line of the workpiece 5), and when the stretching air rods drive the connecting piece 6 to be lifted in place, the distance sensor sends in-place feedback again to control the stretching air rods to stop working through the control system. The painting units 43 of 3 groups correspondingly divide the surface to be painted of the workpiece 5 into a first strip to be painted a, a second strip to be painted b and a third strip to be painted c. The first paint spraying unit sprays paint from the first side to the second side of the strip a to be coated, the second paint spraying unit sprays paint from the second side to the first side of the strip b to be coated, and the third paint spraying unit sprays paint from the first side to the second side of the strip c to be coated.

The foregoing description is intended to be illustrative and not limiting. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims

1. The utility model provides an arch wood veneer's metallic paint spraying apparatus, includes the workstation, its characterized in that, this kind of metallic paint spraying apparatus still includes:

a ceiling base;

the paint spraying mechanism comprises a plurality of paint spraying units, and the paint spraying units are distributed along the y-axis direction and are sequentially connected; and

a control system;

the paint spraying unit comprises a paint spraying rack, a reciprocating driving unit installed through the paint spraying rack, a spraying unit installed through the reciprocating driving unit, and a slope adjusting unit installed through the suspended ceiling base, wherein the adjacent paint spraying racks are hinged, and a hinge shaft is arranged along the x-axis direction; the slope adjusting unit is used for enabling the paint spraying machine frame to always have an auxiliary line parallel to the slope adjusting unit to be tangent to the paint decoration surface of the workpiece, and the projection point from the tangent point to the paint spraying machine frame is located at the middle point of the length of the paint spraying machine frame.

2. The apparatus for spraying metallic paint on arched wood-based panels according to claim 1, wherein the adjacent units are connected by a connector, which is an elastic member capable of changing its length and shape at least in the y-axis direction.

3. The metal paint spraying device for the arched wood veneer according to claim 2, wherein two ends of the paint spraying rack are respectively provided with a cylindrical connecting strip, two ends of the connecting piece are respectively provided with a connecting groove with a partial circular arc, and the cross section shape of the connecting strip is matched with that of the connecting groove.

4. The metallic paint spraying device for the arched wood veneer according to claim 3, wherein the connection piece comprises an elastic column body and connection parts respectively arranged at two ends of the elastic column body, and the connection grooves are formed in the connection parts.

5. The metal paint spraying apparatus for the arched wood veneer according to claim 2, wherein the slope adjusting unit comprises a telescopic air rod electrically connected to the control system, a fixed end of the telescopic air rod is disposed on the ceiling base, and a telescopic end of the telescopic air rod is hinged to the connection member.

6. The apparatus for spraying metallic paint on arched wood-veneer panels according to claim 5, wherein the telescopic air bar is a pen-shaped air bar.

7. The apparatus for spraying metallic paint on an arched wood veneer according to claim 5, wherein an end of the paint spraying frame corresponding to a y-axis direction center line of the workpiece is fixedly provided on the ceiling base by a link.

8. The arched wood veneer metal paint spraying apparatus according to claim 7, wherein the slope adjusting unit further comprises a distance sensor provided at a midpoint of a length of the paint spraying stand, the distance sensor being electrically connected to the control system.

9. The arched wood veneer metallic paint spraying apparatus according to claim 1, wherein the table is rotatably provided on the traverse mechanism.