CN114054271A

CN114054271A - Automatic spraying device

Info

Publication number: CN114054271A
Application number: CN202111030715.8A
Authority: CN
Inventors: 李波; 刘克非; 陈剑平; 刘海燕; 戴桂月
Original assignee: Xiangyang Guangrui Auto Parts Co ltd; Xiangyang Huake Equipment Manufacturing Engineering Research Institute Co ltd; XY-HUST ADVANCED MANUFACTURING ENGINEERING RESEARCH INSTITUTE; Hubei University of Arts and Science
Current assignee: Xiangyang Guangrui Auto Parts Co ltd; Xiangyang Huake Equipment Manufacturing Engineering Research Institute Co ltd; XY-HUST ADVANCED MANUFACTURING ENGINEERING RESEARCH INSTITUTE; Hubei University of Arts and Science
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-18

Abstract

The invention discloses an automatic spraying device, which comprises a machine base, a bearing component, a conveying device, a spraying device, a drying device and a turnover device, wherein the machine base is provided with a feeding station, a spraying station, a drying station and a discharging station, a sleeve-shaped workpiece to be sprayed is borne on the feeding station through the bearing component, the bearing component is arranged on the conveying device, the sleeve-shaped workpiece to be sprayed is sequentially conveyed to the feeding station, the spraying station, the drying station and the discharging station through the conveying device, the inner wall surface and the outer wall surface of the sleeve-shaped workpiece to be sprayed are simultaneously sprayed on the spraying station through the spraying device, the workpiece which is sprayed is dried on the drying station through the drying device, the workpiece on the bearing component is blanked on the discharging station through the turnover device, and thus the simultaneous spraying of the inner wall surface and the outer wall surface of the sleeve-shaped workpiece to be sprayed is realized, improve the spraying efficiency and reduce the labor intensity of workers.

Description

Automatic spraying device

Technical Field

The invention relates to the technical field of spraying, in particular to an automatic spraying device.

Background

At present, when the inner wall surface and the outer wall surface of a sleeve-shaped workpiece to be sprayed are sprayed, the inner wall surface and the outer wall surface are usually sprayed separately, so that the spraying efficiency of the sleeve-shaped workpiece to be sprayed is greatly reduced, and the labor intensity of workers is increased.

Disclosure of Invention

The invention mainly aims to provide an automatic spraying device, and aims to provide a device which can be used for simultaneously spraying the inner wall surface and the outer wall surface of a sleeved workpiece to be sprayed, so that the spraying efficiency is improved, and the labor intensity of workers is reduced.

In order to achieve the above object, an automatic spraying apparatus according to the present invention is an automatic spraying apparatus for spraying a sleeve-shaped workpiece to be sprayed, the sleeve-shaped workpiece to be sprayed having an inner wall surface and an outer wall surface which are oppositely disposed, the automatic spraying apparatus including:

the device comprises a machine base, a machine base and a control device, wherein the machine base is provided with a feeding station, a spraying station, a drying station and a discharging station;

the bearing assembly is used for bearing the sleeve-shaped workpiece to be sprayed at the feeding station;

the conveying device is used for mounting the bearing assembly so that the bearing assembly sequentially reaches the feeding station, the spraying station, the drying station and the discharging station;

the spraying device is used for simultaneously spraying the inner wall surface and the outer wall surface of the sleeve-shaped workpiece to be sprayed at the spraying station;

the drying device is used for drying the workpiece after spraying at the drying station; and the number of the first and second groups,

and the turnover device is used for blanking the workpiece on the bearing component at the blanking station.

Optionally, the spray coating device comprises:

the shell is provided with a spraying cavity, and the spraying cavity is used for accommodating the bearing assembly; and the number of the first and second groups,

the spray head comprises at least two spray heads, wherein the at least two spray heads comprise a first spray head and a second spray head, the first spray head is movably arranged at the top of the spray cavity in the vertical direction and used for spraying the inner wall surface of the sleeve-shaped workpiece to be sprayed, and the second spray head is movably arranged at the side part of the spray cavity in the vertical direction and used for spraying the outer wall surface of the sleeve-shaped workpiece to be sprayed.

Optionally, a linear driving mechanism is arranged at the top of the spraying cavity, and the linear driving mechanism is in driving connection with the first nozzle, so that the first nozzle has an up-down moving stroke.

Optionally, the linear driving mechanism is configured as a first driving cylinder, a piston rod of the first driving cylinder extends up and down, and a free end of the piston rod of the first driving cylinder is connected to the first nozzle.

Optionally, the spraying device further includes a first driving assembly, the first driving assembly is disposed at a side portion of the spraying cavity, and the first driving assembly includes:

the screw rod extends up and down, and the lower end of the screw rod is arranged on the base;

the sliding block is provided with a first threaded hole in a penetrating manner along the vertical direction, the sliding block is in threaded connection with the screw rod through the first threaded hole, and the sliding block is connected with the second spray head; and the number of the first and second groups,

and the driving mechanism is in driving connection with the screw rod and is used for driving the screw rod to rotate.

Optionally, the upper end of the screw is sleeved with a driven roller in a transmission manner;

the driving mechanism further comprises a first driving motor, the first driving motor is provided with a first driving shaft which extends up and down, a driving roller is sleeved at the first driving end of the first driving shaft in a transmission mode, and the driving roller is connected with the driven roller through a conveying belt.

Optionally, a preheating station is further arranged on the machine base, and the preheating station is located on a conveying path of the conveying device and between the feeding station and the spraying station;

the automatic spraying device further comprises a preheating device, and the preheating device is used for preheating the sleeve-shaped workpiece to be sprayed, which is positioned at the preheating station.

Optionally, the drying device comprises:

the drying box is provided with a drying cavity, the drying cavity is used for accommodating the bearing table, the side wall of the drying box is provided with a plurality of connecting holes, and the connecting holes are communicated with the drying cavity;

one end of each connecting pipeline is communicated with the corresponding connecting hole; and the number of the first and second groups,

and the air outlet of the second air heater is communicated with the other ends of the connecting pipelines.

Optionally, a temperature sensor is further disposed in the drying chamber, and the temperature sensor is configured to monitor a temperature of the drying chamber.

Optionally, the spraying device and the drying device together form a spraying and drying group, and the spraying and drying group is provided with a plurality of spraying and drying groups; and/or the presence of a gas in the gas,

the conveying device comprises a conveying chain, a driving chain wheel and a second driving motor, the conveying chain is used for mounting the bearing assembly, the driving chain wheel is rotatably mounted on the stand along an up-down axis and is meshed with the conveying chain, the second driving motor is provided with a second driving shaft extending up and down, and a second driving end of the second driving shaft is in driving connection with the driving chain wheel; and/or the presence of a gas in the gas,

the bearing assembly comprises a bearing disc and a plurality of connecting rods, the bearing disc is arranged in a horizontal extending mode, a plurality of mounting rings are arranged on the bearing disc in a coaxial mode and are arranged along the radial direction of the bearing table at intervals, a plurality of second threaded holes are formed in the mounting rings in an up-down penetrating mode, the connecting rods are arranged in an up-down extending mode and are connected with the mounting rings in a threaded mode, the connecting rods are selectively connected with the second threaded holes in the mounting rings in a multiple mode, the size of each connecting rod can be adjusted, and the containing space is used for containing a to-be-sprayed sleeve-shaped workpiece.

In the technical scheme provided by the invention, the automatic spraying device is provided with a feeding station, a spraying station, a drying station and a discharging station, sleeve-shaped workpieces to be sprayed are loaded on the feeding station through the bearing component, the bearing component is arranged on the conveying device, the sleeve-shaped workpieces to be sprayed are loaded on the feeding station, the spraying station, the drying station and the discharging station in sequence through the conveying device, the inner wall surface and the outer wall surface of the sleeve-shaped workpieces to be sprayed are sprayed on the spraying station through the spraying device at the same time, the workpieces which are sprayed are dried on the drying station through the drying device, the workpieces on the bearing component are discharged on the discharging station through the overturning device, and thus the simultaneous spraying of the inner wall surface and the outer wall surface of the sleeve-shaped workpieces to be sprayed is realized, improve the spraying efficiency and reduce the labor intensity of workers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an automatic spraying apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an angled view of the automatic spraying apparatus of FIG. 1;

FIG. 4 is a schematic view of the spray apparatus of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken at B-B of FIG. 4;

FIG. 6 is a schematic top view of the automatic spraying apparatus of FIG. 1;

FIG. 7 is a schematic structural diagram of another embodiment of an automatic spraying device provided by the present invention;

FIG. 8 is a schematic top view of the automated spray coating device of FIG. 5;

FIG. 9 is a partial schematic structural view of the carriage assembly of FIG. 1 mounted to a conveyor;

FIG. 10 is a schematic structural view of the load bearing assembly of FIG. 1 in a load bearing position;

FIG. 11 is a schematic structural view of the load bearing assembly of FIG. 1 in an inverted position;

FIG. 12 is a schematic view of the carriage assembly and the flipping mechanism (at an angle) of FIG. 1;

fig. 13 is a schematic view of the carriage assembly and the flipping mechanism (at another angle) of fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In order to solve the above problems, the present invention provides an automatic spraying device 100, and fig. 1 to 13 show an embodiment of the automatic spraying device 100 according to the present invention.

Referring to fig. 1 to 3, the automatic coating apparatus 100 includes a base 1, a carrier assembly 2, a conveyor 3, a coating apparatus 4, a drying apparatus 5, and a turnover apparatus 6, the machine base 1 is provided with a feeding station, a spraying station, a drying station and a discharging station, the bearing component 2 is used for bearing the sleeve-shaped workpiece 1000 to be sprayed on the feeding station, the conveying device 3 is used for installing the bearing component 2, so that the bearing component 2 sequentially reaches the feeding station, the spraying station, the drying station and the blanking station, the spraying device 4 is used for simultaneously spraying the inner wall surface and the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed at the spraying station, the drying device 5 is used for drying the sprayed workpiece at the drying station, and the turnover device 6 is used for blanking the workpiece on the bearing component 2 at the blanking station.

In the technical scheme provided by the invention, the automatic spraying device 100 is provided with a feeding station, a spraying station, a drying station and a discharging station, the sleeve-shaped workpiece 1000 to be sprayed is loaded on the feeding station through the bearing component 2, the bearing component 2 is arranged on the conveying device 3, the sleeve-shaped workpiece 1000 to be sprayed is loaded on the conveying device 3 and sequentially reaches the feeding station, the spraying station, the drying station and the discharging station, the spraying device 4 is used for simultaneously spraying the inner wall surface and the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed on the spraying station, the drying device 5 is used for drying the workpiece after spraying on the drying station, the overturning device 6 is used for blanking the workpiece on the bearing component 2 on the discharging station, and thus the simultaneous spraying of the inner wall surface and the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed is realized, improve the spraying efficiency and reduce the labor intensity of workers.

Specifically, referring to fig. 1 and 2, the spraying device 4 includes a housing 41 and at least two spray heads 42, the housing 41 is formed with a spraying cavity, the spraying cavity is used for accommodating the bearing component 2, the at least two spray heads 42 include a first spray head 42a and a second spray head 42b, the first spray head 42a is movably mounted on the top of the spraying cavity in the up-down direction, the spraying on the inner wall surface of the sleeve-shaped workpiece 1000 to be sprayed is realized through the up-down movement of the first spray head 42a, the second spray head 42b is movably mounted on the side of the spraying cavity in the up-down direction, and the spraying on the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed is realized through the up-down movement of the second spray head 42b, so that the inner wall surface and the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed are simultaneously sprayed.

It should be noted that, when the spraying of the inner wall surface and the outer wall surface is realized, there are various implementation manners for ensuring that the whole inner wall surface and the whole outer wall surface can be sprayed, for example, the first nozzle 42a and the second nozzle 42b can be provided in plural, the first nozzle 42a and the second nozzles 42b are all provided at intervals along the circumferential direction of the aperture of the sleeve-shaped workpiece 1000 to be sprayed, for example, the first nozzle 42a and the second nozzle 42b can be both provided in an annular shape, and of course, for example, the bearing assembly 2 can also be rotated along the vertical axis, and the application does not limit this.

In order to improve the spraying efficiency of the sleeve-shaped workpiece 1000 to be sprayed, the bearing assemblies 2 are provided in plurality, and the conveying device 3 conveys the bearing assemblies 2 simultaneously, so that the spraying efficiency is greatly improved.

In order to realize the up-and-down movement of the first spray head 42a, a linear driving mechanism 43 is arranged at the top of the spraying cavity, the linear driving mechanism 43 is in driving connection with the first spray head 42a, and the first spray head 42a has an up-and-down movement stroke through the driving of the linear driving mechanism 43.

The linear driving mechanism 43 may be of various types, for example, a linear motor, a ball screw, a rack and pinion structure, and specifically, in the embodiment of the present application, the linear driving mechanism 43 is configured as a first driving cylinder, a piston rod of the first driving cylinder extends in an up-down direction, and a free end of the piston rod of the first driving cylinder is connected to the first nozzle 42a, so that the free end of the piston rod moves by changing air pressure of the cylinder, thereby realizing the up-down movement of the first nozzle 42 a.

Referring to fig. 4 and 5, the upper end of the housing is provided with a mounting through hole 411 along the vertical direction, the spraying device 4 further comprises a pressing plate assembly 45, the pressing plate assembly 45 comprises a pressing driving mechanism and a pressing plate 451, the pressing driving mechanism is mounted on the housing 41 and has a pressing driving end extending into the mounting through hole 411 and moving along the vertical direction, the pressing driving end is connected with the pressing plate 451 and used for driving the pressing plate 451 to move to abut against the top end of the sleeve-shaped spraying workpiece 1000, and the first spray head 42a is mounted on the pressing plate 451, so that the sleeve-shaped spraying workpiece 1000 is mounted in place during spraying, and the sleeve-shaped spraying workpiece 1000 is prevented from shifting and affecting the spraying effect.

Further, the mounting through hole 411 is arranged to extend along the conveying direction of the conveying device 3, the pressing driving mechanism includes a cylinder 4521, a movable plate 4522 and a sliding shaft 4523, the cylinder 4521 is mounted on the housing 41, a piston rod of the cylinder 4521 has a movable stroke along the vertical direction, a free end of the piston rod extends into the mounting through hole 411 to be drivingly connected with the movable plate 4522, the movable plate 4522 is provided with an insertion hole along the vertical direction, the sliding shaft 4523 is movably inserted into the insertion hole, the sliding shaft 4523 is sleeved with a spring 4524, the spring 4524 is located between the movable plate 4522 and the pressing plate 451, such that when the movable plate 4522 is driven to move downwards by the cylinder 4521, the movable plate 4522 compresses the spring 4524, and the spring 4524 pushes the pressing plate 451 to move downwards to abut against the sleeve-shaped workpiece 1000 to be sprayed, the sleeve-shaped workpiece 1000 to be sprayed is in flexible contact with the pressing plate 451, and the sleeve-shaped workpiece 1000 to be sprayed is prevented from being crushed.

It should be noted that, in order to enable better pressing of the sleeve-shaped workpiece 1000 to be painted when the bearing assembly 2 rotates along the up-down axis, the pressing plate 451 is connected with the sliding shaft 4523 through a bearing, so that the pressing plate 451 can rotate along with the sleeve-shaped workpiece 1000 to be painted.

Further, referring to fig. 2, the spraying device 4 further includes a first driving assembly 44, the first driving assembly 44 is disposed at a side portion of the spraying cavity, the first driving assembly 44 includes a screw 441, a slider 442 and a driving mechanism 443, the screw 441 extends in an up-down direction, a lower end of the screw 441 is mounted on the base 1, the slider 442 penetrates through a first threaded hole in the up-down direction, the slider 442 is in threaded connection with the screw 441 through the first threaded hole, the slider 442 is connected with the second nozzle 42b, the driving mechanism 443 is in driving connection with the screw 441, and the driving mechanism 443 drives the screw 441 to rotate, so that the slider 442 sleeved on the screw 441 moves in the up-down direction, and the second nozzle 42b is driven to move in the up-down direction.

It should be noted that, in order to prevent the sliding block 442 from rotating along with the screw 441, a rotation stopping structure is further disposed on the sliding block 442, so that the sliding block 442 only moves in the up-down direction, and as the technology of the scheme of implementing linear motion by a thread structure is mature, details are not described here.

The driving mechanism 443 for driving the screw 441 to rotate is various, for example, the driving mechanism 443 is configured as a motor, specifically, in the embodiment of the present application, the upper end of the screw 441 is sleeved with a driven roller 4411 in a transmission manner, the driving mechanism 443 further includes a first driving motor 4431, the first driving motor 4431 has a first driving shaft extending in an up-down direction, the first driving end of the first driving shaft is sleeved with a driving roller 4432 in a transmission manner, the driving roller 4432 is connected with the driven roller 4411 through a transmission belt 4433, and thus, the driving roller 4432 is driven to rotate by the first driving motor 4431, and the driven roller 4411 is driven to rotate by the transmission belt 4433, so that the screw 441 is driven to rotate, and the driving mechanism is simple in structure and has a good effect.

Specifically, referring to fig. 3, a preheating station is further disposed on the base 1, the preheating station is located on a conveying path of the conveying device 3 and located between the feeding station and the spraying station, the automatic spraying device 100 further includes a preheating device 7, and the preheating device 7 preheats the sleeve-shaped workpiece 1000 to be sprayed, which is located on the preheating station, so that the temperature of the sleeve-shaped workpiece 1000 to be sprayed is increased, the bonding strength between the coating and the sleeve-shaped workpiece 1000 to be sprayed is increased, and the coating is not prone to crack.

It should be noted that, in the embodiment of the present application, the preheating device 7 includes a preheating box 71 and a first hot air blower 72, the preheating box 71 is used for accommodating the bearing assembly 2, the preheating box 71 and the first hot air blower 72 are communicated through the conveying pipe to convey the hot air of the first fan 72 to the preheating box, but in other embodiments, the preheating device 7 may be a combination of heating wires and fans.

Specifically, drying device 5 includes stoving case 51, a plurality of connecting tube 52 and second air heater 53, stoving case 51 is formed with the stoving cavity, the stoving cavity is used for holding carrier assembly, stoving case 51 lateral wall is provided with a plurality of connecting holes, and is a plurality of the connecting hole all with the stoving cavity is linked together, and is a plurality of the one end of connecting tube 52 is linked together with a plurality of respectively the connecting hole, the air outlet of second air heater 53 is used for being linked together with a plurality of the other end of connecting tube 52, so set up, the exhaust hot-blast of second air heater 53 air outlet can pass through a plurality of connecting tube 52 carry to the stoving cavity, so make the hot-blast distribution in the stoving cavity is even, has improved coating stoving effect.

In order to monitor the temperature in the drying chamber, a temperature sensor is further arranged in the drying chamber, the temperature sensor monitors the temperature of the drying chamber in real time, and the phenomenon that the coating quality is influenced because abnormal temperature is not found in time is avoided.

Considering that the sleeved workpiece 1000 to be sprayed needs to be sprayed for multiple times, the spraying device 4 and the drying device 5 jointly form a spraying and drying group, the spraying and drying group is provided with a plurality of spraying and drying groups, and the spraying and drying groups are arranged in such a way that the spraying and drying components can realize that the sleeved workpiece 1000 to be sprayed is sprayed and dried for multiple times in sequence.

Specifically, conveyor 3 includes conveying chain 31, driving sprocket 32 and second driving motor, and conveying chain 31 supplies carrier assembly 2 installs, driving sprocket 32 rotates along the upper and lower axis and installs in station frame 1, driving sprocket 32 with conveying chain 31 transmission meshing, second driving motor has along the second drive shaft of extending the setting from top to bottom, works as second driving motor during operation, makes the second drive shaft rotates, realizes the drive driving sprocket 32 drive rotates, thereby drives conveying chain 31 activity realizes carrier assembly 2 arrives in proper order the material loading station, the spraying station drying station reaches the unloading station.

Referring to fig. 7 to 9, the conveying chain is arranged in a closed loop along the horizontal direction, so that the floor space of the automatic spraying device 100 is saved.

It should be noted that, as shown in fig. 7 and fig. 9, the conveying chain may be a rectangular closed loop or a circular closed loop, which is not limited in this application, and the specific situation is selected according to actual production requirements.

Specifically, referring to fig. 10, the carrier assembly 2 includes a carrier plate 21 and a plurality of connecting rods 22, the carrier plate 21 extends along a horizontal direction, the carrier plate 21 is provided with a plurality of mounting rings, the plurality of mounting rings are coaxially arranged and are spaced along a radial direction of the carrier, each mounting ring is provided with a plurality of second threaded holes 211 penetrating along an up-down direction, the plurality of connecting rods 22 extend along an up-down direction, the plurality of connecting rods 22 are selectively in threaded connection with the plurality of second threaded holes 211 on any one of the mounting rings, so that a volume-adjustable accommodating space is formed between the plurality of connecting rods 22, and thus the accommodating space is adjusted according to requirements to accommodate sleeve-shaped workpieces 1000 to be sprayed, which are provided with different sizes, and of course, the sleeve-shaped workpieces to be sprayed can also be sleeved on the plurality of connecting rods, and as distances between the plurality of connecting rods and the accommodating space are adjustable, the versatility of the carrier assembly 2 is improved.

Specifically, referring to fig. 11 to 13, the carrier assembly 2 includes a carrier tray 21 extending horizontally, the carrier tray 21 is used for placing the sleeve-shaped workpiece 1000 to be sprayed, the turnover device 6 includes a bracket 61, a turnover table 62 and a second driving assembly 63, the bracket 61 is mounted on the conveying device 3, the carrier tray 21 is mounted on an upper end surface of the turnover table 62, the turnover table 62 can be rotatably mounted on the bracket 61 along a horizontal axis, so that the turnover table 62 has a turnover position where the carrier tray 21 is tilted vertically and a bearing position where the carrier tray 21 is extended horizontally, the second driving assembly 63 is mounted on the base 1, the turnover table 62 is driven by the second driving assembly 63 to be switched between the turnover position and the bearing position, so as to realize blanking of the workpiece after spraying and resetting of the carrier tray 21 after blanking are completed, the sleeve-shaped workpiece 1000 to be sprayed, which needs to be sprayed, can be conveniently carried next time.

Referring to fig. 11 to 13, the bracket 61 includes a support arm 611 extending in an up-down direction and a mounting arm 612 extending in a horizontal direction from a side wall of the support arm 611, the turning table 62 comprises a rotating arm 621 extending up and down and a turning arm 622 extending from the side wall of the rotating arm 621, the rotating arm 621 is rotatably connected with the supporting arm 611, the turning arm 622 is opposite to the mounting arm 612, a guide gap a is formed between the turning arm 622 and the mounting arm 612, the second driving assembly 63 includes a turning driving block 6311, the turning driving block 6311 is disposed corresponding to the guide gap a, and has an active stroke moving in a horizontal direction, when the reverse driving block 6311 moves toward the guide gap a, the turning arm 622 can be pushed to turn to the turning position to discharge the sprayed workpiece.

Referring to fig. 11 and 12, the tumble driver 631 further includes a driving cylinder 6312, and a free end of a piston rod of the driving cylinder 6312 is drivingly connected to the tumble driving block 6311 to make the tumble driving block 6311 move.

There are various ways to form the guiding gap a, in the embodiment of the present application, referring to fig. 13, the thickness of the free end of the flipping arm 622 gradually decreases in the direction away from the rotating arm 621, so that the guiding gap a can be formed between the flipping arm 622 and the mounting arm 612, of course, the thickness of the free end of the mounting arm 612 gradually decreases in the direction away from the rotating arm 621, so that the guiding gap a can also be formed between the flipping arm 622 and the mounting arm 612, and further, when the thickness of the free end of the flipping arm 622 and the thickness of the free end of the mounting arm 612 gradually decrease in the direction away from the rotating arm 621, the guiding gap a can also be formed.

In order to facilitate the turning driving block 6311 to enter the guide gap a, the turning driving block 6311 is provided with a guide slope b corresponding to the guide gap a, so that the turning driving block 6311 is inserted into the guide gap a.

In order to reset the bearing tray 21 after the blanking is completed, referring to fig. 13, the second driving assembly 63 further includes a reset elastic member 6313, the reset elastic member 6313 is disposed between the rotating arm 621 and the supporting arm 611, and when the flipping table 62 is in the flipping position, the bearing tray 21 can be switched from the flipping position to the bearing position by the reset elastic member 6313, so as to prepare for the bearing tray 21 to bear the sleeve-shaped workpiece 1000 to be sprayed again.

Specifically, be provided with two mount tables 6211, two along the level on the rotor arm 621 to the interval all run through on the mount table 6211 and establish mounting hole 62111, be provided with a supporting bench on the support arm 611, the support bench is equipped with the through-hole to running through along the level, the dwang is installed to the through-hole internal rotation, the both ends cartridge respectively of dwang is in two in the mounting hole 62111, elasticity resets and sets up to the torsional spring, the torsional spring suit in the dwang, just the both ends of torsional spring respectively with the rotor arm 621 with the support arm 611 offsets, so sets up, through the elastic action of torsional spring makes the carrier plate 21 can by upset position switches to bear the position, simple structure, it is effectual.

Further, the automatic spray coating device further comprises a position sensor and a control device, the position sensor is arranged at the blanking station, the control device is respectively electrically connected with the position sensor and the second driving component 63, the arrangement is such that when the position sensor senses that the workpiece after spray coating reaches the blanking station, the position sensor sends a signal to the control device, the control device controls the second driving component 63 to work, drives the overturning platform 62 to overturn to the overturning position so as to carry out blanking on the workpiece after spray coating, and drives the overturning platform 62 to move to the bearing position after blanking, so that the bearing plate 21 can bear the sleeve-shaped workpiece 1000 to be sprayed again to prepare.

Referring to fig. 13, the overturning platform 62 is provided with a plug-in hole along the vertical direction, the lower end surface of the bearing disc 21 is provided with an installation shaft 212 along the vertical direction, the middle transmission sleeve of the installation shaft 212 is provided with a driven gear 213, and the free end of the installation shaft 212 is rotatably installed in the plug-in hole, the automatic spraying device 100 further comprises a third driving assembly 9, the third driving assembly 9 comprises a driving gear 81 installed on the base 1 along the vertical direction axis, the driving gear 81 is used for being engaged with the driven gear 213 during a spraying station, so that the bearing disc 21 rotates, and the arrangement is such that the bearing disc 21 rotates, so that the inner wall surface and the outer wall surface of the sleeve-shaped workpiece 1000 to be sprayed are sprayed more comprehensively, and the spraying effect of the sleeve-shaped workpiece 1000 to be sprayed is improved.

In order to avoid the dropping of the workpiece after the spraying of the blanking, referring to fig. 3, the base 1 is further provided with two baffles 10, the two baffles 10 are arranged at intervals to form a blanking channel, and the workpiece after the blanking can accurately fall into the receiving box through the blocking effect of the two baffles 10.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an automatic spraying device for treating the cover form work piece of spraying carries out the spraying, treat that the cover form work piece of spraying has relative internal face and the outer wall face that sets up, its characterized in that, automatic spraying device includes:

2. The automatic spray coating device of claim 1 wherein said spray coating device comprises:

3. The automatic spraying device of claim 2, wherein a linear driving mechanism is disposed at the top of the spraying chamber, and the linear driving mechanism is in driving connection with the first nozzle so that the first nozzle has a movable stroke in the up-and-down direction.

4. The automatic spray coating device according to claim 3 wherein said linear drive mechanism is provided as a first drive cylinder, a piston rod of said first drive cylinder being disposed to extend in an up-down direction, and a free end of said piston rod of said first drive cylinder being connected to said first spray head.

5. The automated spray coating device of claim 2 further comprising a first drive assembly disposed at a side of said spray chamber, said first drive assembly comprising:

6. The automatic coating device according to claim 5, wherein the upper end of said screw is provided with a driven roller;

7. The automatic spraying device of claim 1, wherein a preheating station is further disposed on the base, and the preheating station is located on a conveying path of the conveying device and between the loading station and the spraying station;

8. The automatic coating device according to claim 1, wherein said drying device comprises:

9. The automatic coating device according to claim 8, wherein a temperature sensor is further disposed in said drying chamber, said temperature sensor being configured to monitor a temperature of said drying chamber.

10. The automatic coating device according to claim 1, wherein said coating device and said drying device together constitute a coating and drying group, and said coating and drying group is provided in plurality; and/or the presence of a gas in the gas,