Automatic paint spraying device for array tube bundle
Technical Field
The invention belongs to the technical field of machining, and particularly relates to an automatic paint spraying device for an array tube bundle.
Background
The boiler economizer, the superheater and the reheater are all arranged in an array tube bundle, the paint process of the existing manufacturing company basically comprises the steps of firstly painting a single tube and then assembling a module, and finally, after the assembly is finished, manually repairing paint on the area damaged by the paint, so that the paint efficiency is low, the pollution and damage of the paint on the surface of the tube in the module assembling process are serious, the later manual paint repairing cost is more, and the unnecessary manufacturing cost is wasted.
Disclosure of Invention
The invention aims to provide an automatic paint spraying device for an array tube bundle, which overcomes the defects in the prior art, is simple to manufacture, has high automation degree, effectively reduces the using amount of paint, reduces the labor amount of workers, has a wider application range and improves the paint spraying efficiency.
In order to achieve the design purpose, the technical scheme adopted by the invention is as follows:
the utility model provides an automatic paint spraying apparatus of array tube bank, mainly includes array tube bank work piece, planer-type running gear, the horizontal running gear of paint spraying apparatus, paint spraying apparatus elevating system, planer-type running gear mainly includes portal frame, portal frame back timber, T shape guide rail, the portal frame shaped steel pillar that sprays paint, the portal frame back timber that sprays paint is fixed in the portal frame shaped steel pillar upper end that sprays paint, is equipped with T shape guide rail on the portal frame back timber that sprays paint, roll connection portal frame on the T shape guide rail, has mobilizable fixed paint spraying apparatus's horizontal running gear on the portal frame, and paint spraying apparatus horizontal running gear can move on the T shape guide rail along with the portal frame, has the fixed paint spraying apparatus elevating system of liftable on the horizontal running gear of paint spraying apparatus, and airless spraying machine fixes on the vertical running gear.
The gantry walking mechanism is characterized in that a gantry walking motor is fixed on a gantry, the output end of the gantry walking motor is connected with a motor driving chain wheel through a synchronous shaft, the motor driving chain wheel is synchronously connected with the gantry walking chain wheel through a chain, the gantry walking chain wheel is synchronously sleeved on a gantry walking shaft, the gantry walking shaft is fixed on the gantry through a bearing assembly, two ends of the gantry walking shaft are respectively and synchronously connected with gantry walking rollers through a coupler, and the gantry walking rollers can be arranged on a T-shaped guide rail in a rolling manner.
The periphery of the portal frame is provided with an operation platform guard rail, and one side of the portal frame is provided with a ladder stand extending to the bottom of the portal type travelling mechanism.
And a guide rail brake is arranged at the position, close to the T-shaped guide rail, of the portal frame.
The transverse traveling mechanism of the paint spraying device mainly comprises a paint spraying device left and right direction traveling motor, a paint spraying device transverse traveling coupler, a paint spraying device bearing installation assembly, a paint spraying device transverse traveling shaft, a paint spraying device motor driving chain wheel, a paint spraying device transverse traveling roller and a traveling mechanism T-shaped guide rail, wherein two ends of the traveling mechanism T-shaped guide rail are fixed on a portal frame, a movable fixed transverse traveling base is arranged on the traveling mechanism T-shaped guide rail, the paint spraying device left and right direction traveling motor is fixed on the transverse traveling base, the output end of the paint spraying device left and right direction traveling motor is synchronously connected to the paint spraying device motor driving chain wheel through a chain, the paint spraying device motor driving chain wheel is synchronously sleeved on the paint spraying device transverse traveling shaft, the paint spraying device transverse traveling shaft is fixed on the transverse traveling base through the paint spraying device bearing installation assembly, two ends of the paint spraying device transverse The roller and the transverse walking roller of the paint spraying device are arranged on the T-shaped guide rail of the walking mechanism in a rolling manner.
A trolley bracket of the paint spraying device is fixed on a transverse walking base of the transverse walking mechanism of the paint spraying device; the up-down lifting mechanism of the paint spraying device mainly comprises a spray gun lifting guide rail, a paint spraying rod mounting base plate, a paint spraying rod adjusting plate, a paint spraying device lifting driving shaft, an extended paint spraying pipe, a paint nozzle, a spray gun lifting motor and a paint spraying device lifting slide block, wherein the spray gun lifting guide rail is vertically fixed on a paint spraying device trolley support, the paint spraying device lifting slide block is arranged on the spray gun lifting guide rail, the paint spraying rod mounting base plate is fixed on the paint spraying device lifting slide block, the paint spraying rod adjusting plate is fixed on the paint spraying rod mounting base plate, the extended paint spraying pipe is connected on the paint spraying rod adjusting plate, the paint nozzle is arranged at the lower end of the extended paint spraying pipe, the extended paint spraying pipe is connected with an airless sprayer, the spray gun lifting motor is fixed on a transverse walking base, the output end of the spray gun lifting motor is synchronously connected to the, a paint spraying device coupler is synchronously sleeved on the paint spraying device lifting driving shaft and is synchronously connected to a paint spraying device lifting driven shaft through a paint spraying device lifting zipper, and the paint spraying device lifting driven shaft is coupled to the top of a paint spraying device trolley support; the paint spraying device lifting zipper is synchronously fixed on the paint spraying rod mounting base plate.
The array tube bundle workpiece is placed below a top beam of the painting portal frame.
The array tube bundle automatic paint spraying device has the beneficial effects that: an operator only needs to transport the array tube bundle workpiece to the lower part of the portal frame and adjust the level, sets related parameters, carries out vertical reciprocating type paint spraying from top to bottom through a paint spraying device lifting mechanism after matching four spray rods according to the adjustment of the array tube bundle interval, the operator stands on a platform at the top of the portal frame to operate, both ends of gantry walking can be adjusted through limit switches to be limited so as to avoid paint spraying exceeding areas, and the thickness of a paint film can be controlled by adjusting the gantry walking speed of an operation panel. The device is simple to manufacture, high in automation degree, wide in application range and high in paint spraying efficiency, and the using amount of paint is effectively reduced, the labor amount of workers is reduced.
Drawings
FIG. 1 is a schematic view of an automated spray painting apparatus for an array tube bundle according to the present invention;
FIG. 2 is a schematic view of a gantry-type traveling mechanism according to the present invention;
FIG. 3 is a schematic view of a lateral traveling mechanism of the painting apparatus according to the present invention;
FIG. 4 is another perspective view of the lateral traveling mechanism of the painting apparatus according to the present invention;
FIG. 5 is a schematic view of the up-down elevating mechanism of the painting apparatus according to the present invention;
fig. 6 is another schematic view of the elevating mechanism of the painting apparatus according to the present invention.
Detailed Description
As shown in fig. 1-6, in the embodiment of the present invention, the automatic paint spraying apparatus for an array tube bundle mainly includes an array tube bundle workpiece 1, a gantry type traveling mechanism 300, a transverse traveling mechanism 400 of the paint spraying apparatus, and an up-down lifting mechanism 500 of the paint spraying apparatus, the gantry type travelling mechanism 300 mainly comprises a gantry, a gantry top beam 2, a T-shaped guide rail 32 and a painting gantry type steel strut 34, the spraying gantry top beam 2 is fixed to the upper end of a spraying gantry type steel support 34, a T-shaped guide rail 32 is arranged on the spraying gantry top beam 2, the T-shaped guide rail 32 is connected with the gantry in a sliding mode, a movable fixed spraying device transverse traveling mechanism 400 is arranged on the gantry, the spraying device transverse traveling mechanism 400 can move on the T-shaped guide rail 32 along with the gantry, a fixed spraying device up-and-down lifting mechanism 500 capable of lifting on the spraying device transverse traveling mechanism 400, and an airless sprayer 8 is fixed to a gantry longitudinal traveling mechanism 300.
A gantry traveling motor 3 is fixed on the gantry, a synchronous shaft at the output end of the gantry traveling motor 3 is connected with a motor driving chain wheel 14, the motor driving chain wheel 14 is synchronously connected with a gantry traveling chain wheel 12 through a chain 13, the gantry traveling chain wheel 12 is synchronously sleeved on a gantry traveling shaft 17, the gantry traveling shaft 17 is fixed on the gantry through a bearing assembly 23, two ends of the gantry traveling shaft 17 are respectively and synchronously connected with a gantry traveling roller 11 through a coupler 18, and the gantry traveling roller 11 can be arranged on a T-shaped guide rail 32 in a rolling manner; during the use, the walking motor passes through sprocket, chain drive portal frame walking axle and is rotary motion, and the walking axle links to each other with the walking gyro wheel through the shaft coupling, turns into the linear reciprocating motion of gyro wheel to the rotary motion of motor to this accomplishes whole array tube bank length direction's the operation of spraying paint.
The periphery of the portal frame is provided with an operation platform guard rail 4, and one side of the portal frame is provided with a ladder stand 9 extending to the bottom of the portal type travelling mechanism 300.
And a guide rail brake 10 is arranged at the position of the portal frame, which is close to the T-shaped guide rail 32.
The transverse traveling mechanism 400 of the paint spraying device mainly comprises a left and right traveling motor 16 of the paint spraying device, a transverse traveling coupler 21 of the paint spraying device, a bearing installation component 31 of the paint spraying device, a transverse traveling shaft 19 of the paint spraying device, a motor driving chain wheel 20 of the paint spraying device, a transverse traveling roller 22 of the paint spraying device and a T-shaped guide rail 35 of the traveling mechanism, wherein two ends of the T-shaped guide rail 35 of the traveling mechanism are fixed on a portal frame, a transverse traveling base is movably fixed on the T-shaped guide rail 35 of the traveling mechanism, the left and right traveling motor 16 of the paint spraying device is fixed on the transverse traveling base, the output end of the left and right traveling motor 16 of the paint spraying device is synchronously connected to the motor driving chain wheel 20 of the paint spraying device through a chain, the motor driving chain wheel 20 of the paint spraying device is synchronously sleeved on, 19 both ends of the horizontal walking shaft of paint spraying apparatus are respectively connected with the horizontal walking roller 22 of paint spraying apparatus through the horizontal walking shaft coupling 21 of paint spraying apparatus, the horizontal walking roller 22 of paint spraying apparatus can be arranged on the T-shaped guide rail 35 of the walking mechanism in a rolling manner, the walking motor passes through the chain wheel, the horizontal walking shaft of the chain drive paint spraying apparatus is in rotary motion, the walking shaft is connected with the walking roller through the shaft coupling, the rotary motion of the motor is converted into the linear reciprocating motion of the roller, and the paint spraying operation of different horizontal intervals of the whole array tube bundle is finished.
A trolley bracket 7 of the paint spraying device is fixed on the transverse traveling base of the transverse traveling mechanism 400 of the paint spraying device; the paint spraying device up-down lifting mechanism 500 mainly comprises a spray gun lifting guide rail 5, a paint spraying rod mounting base plate 26, a paint spraying rod adjusting plate 25, a paint spraying device lifting driving shaft 24, a lengthened paint spraying pipe 28, a paint spraying nozzle 33, a spray gun lifting motor 6 and a paint spraying device lifting slide block 27, wherein the spray gun lifting guide rail 5 is vertically fixed on a paint spraying device trolley support 7, the paint spraying device lifting slide block 27 is arranged on the spray gun lifting guide rail 5, the paint spraying rod mounting base plate 26 is fixed on the paint spraying device lifting slide block 27, the paint spraying rod adjusting plate 25 is fixed on the paint spraying rod mounting base plate 26, the lengthened paint spraying pipe 28 is connected on the paint spraying rod adjusting plate 25, the paint spraying nozzle 33 is arranged at the lower end of the lengthened paint spraying pipe 28, the lengthened paint spraying pipe 28 is connected with an airless sprayer 8, the spray gun lifting motor 6 is fixed on a transverse walking base, the output end of, the paint spraying device lifting driving shaft 24 is connected to the transverse walking base in a shaft mode through a bearing assembly, the paint spraying device lifting driving shaft 24 is synchronously sleeved with a paint spraying device coupler 15, the paint spraying device coupler 15 is synchronously connected to a paint spraying device lifting driven shaft 30 through a paint spraying device lifting zipper 29, and the paint spraying device lifting driven shaft 30 is connected to the top of a paint spraying device trolley support 7 in a shaft mode; the paint spraying device lifting zipper 29 is synchronously fixed on the paint spraying rod mounting base plate 26. During the use, thereby the paint spraying apparatus elevating system drives paint spraying apparatus lift zip fastener through spray gun elevator motor and drives the pole mounting plate that sprays paint and do the elevating movement under the effect of spray gun elevating rail and paint spraying apparatus lift slider to this accomplishes the operation of spraying paint of the different vertical intervals of whole array tube bank. The spray rod adjusting plate 25 is mounted on the spray rod mounting base plate 26 to adjust the position of each spray rod by means of left and right bolts. The extension spray pipe 28 links to each other with the airless sprayer 8 that is located on the portal frame footboard, and airless sprayer 8 export comprises four switches and branch pipe, and two branch pipes that spray paint for the positive direction, two branch pipes that spray paint for the opposite direction, each branch pipe respectively with spray paint the extension spray pipe 28 on the mounting plate 26 and link to each other, extension spray pipe 28 end and paint nozzle connect and realize the uniformity and the equilibrium of automatic spraying paint.
The array tube bundle workpiece 1 is placed below a spraying portal frame top beam 2, an operator reaches the position of an operating platform of a spraying device through a spraying portal frame ladder stand 9, and the safety of the operator is protected by an operating platform protective guard 4.
The device is wide in application range, and can be used for automatic paint spraying of array tube bundle modules such as a boiler economizer, a superheater and a reheater, the portal frame travels back and forth to drive eight spray guns from top to bottom in total on the positive and negative two sides in sequence, four spray lance single strokes can be sprayed paint simultaneously to four pipes, through adjusting the paint film thickness that the walking speed control was sprayed paint at every turn, the lateral distance accessible adjusting plate between every spray gun is adjusted, thereby the applicability to different tube spacing of array tube bundle and the same tube spacing is realized. The device is simple to manufacture, high in automation degree, wide in application range and high in paint spraying efficiency, and the use amount of paint is effectively reduced, the labor amount of workers is reduced.
The paint spraying device does transverse reciprocating motion through the gantry frame, the spray gun does up-and-down motion under the control of the lifting mechanism, so that paint spraying of four rows of vertical pipes is completed, and the steps are repeated to complete paint spraying operation of the whole array pipe bundle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.