CN112742643A

CN112742643A - Spraying workstation suitable for small-batch multiple varieties

Info

Publication number: CN112742643A
Application number: CN202011614700.1A
Authority: CN
Inventors: 徐友法; 王卫军; 刘京龙; 杨亚; 王子荣
Original assignee: Shanghai Micro Motor Research Institute 21st Research Institute Of China Electronics Technology Corp
Current assignee: Shanghai Micro Motor Research Institute 21st Research Institute Of China Electronics Technology Corp
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-04

Abstract

The invention provides a spraying workstation suitable for small-batch and multi-variety spraying, which comprises: spraying a room; one end of the conveying device is arranged in the spraying room, and the other end of the conveying device is positioned outside the spraying room; the mechanical arm is arranged in the spray chamber; the spray gun is fixed at the tail end of the mechanical arm; the paint supply device is arranged on one side of the spray room and is communicated with the spray gun through a paint supply pipe; and the controller is electrically connected with the conveying device, the mechanical arm, the spray gun and the paint supply device. The spraying workstation provided by the invention realizes automation of a spraying process, is convenient to operate and high in efficiency, reduces the labor intensity, saves the labor cost and realizes spraying operation of different types of workpieces.

Description

Spraying workstation suitable for small-batch multiple varieties

Technical Field

The invention belongs to the technical field of part spraying, and particularly relates to a spraying workstation suitable for small-batch and multiple varieties.

Background

The spraying work is an important process in the production of the products in the whole manufacturing process. Spraying is an indispensable process part in the process of protecting workpieces, such as airplanes, automobiles, electronic products and children toys.

In the current production process, the product spraying mostly adopts a manual spraying mode: the workman directly holds the spray gun and carries out the spraying operation to the work piece that needs the spraying, causes following problem in the manual spraying production process: the spray gun is lifted for a long time, so that the working labor intensity of workers is increased; the spraying operation is carried out, and workers need to better control the thickness and uniformity of the sprayed paint according to experience; the spraying operation is carried out manually, so that the operation efficiency is low; manual operation has certain randomness, and the consistency of the spraying effect of the product cannot be guaranteed; the generated spray is easy to be inhaled into human bodies, and has great health influence on both physical and psychological aspects.

In factories with a certain degree of automation of painting, automated line painting has come into use, but is only adaptable to a large batch of a small variety. For the spraying of a small quantity and a plurality of varieties, manual spraying is still adopted mostly. Therefore, how to provide a production line capable of performing small-batch and multi-variety spraying, automatically replacing a spraying process and switching spraying colors is provided, so as to solve the problems that the labor intensity of spraying operation is high and the product quality cannot be guaranteed in the traditional manufacturing industry, which is a problem to be solved urgently in the industry at present.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

In view of the above, an object of the present invention is to provide a spraying workstation suitable for small-lot and multi-variety spraying.

In order to achieve the above object, the technical solution of the present invention provides a spraying workstation adapted to small-lot and multi-variety spraying, comprising: 1. the utility model provides a spraying workstation that is adapted to many varieties of small batch, its characterized in that includes: spraying a room; one end of the conveying device is arranged in the spraying room, and the other end of the conveying device is positioned outside the spraying room; the mechanical arm is arranged in the spray chamber; the spray gun is fixed at the tail end of the mechanical arm; the paint supply device is arranged on one side of the spray room and is communicated with the spray gun through a paint supply pipe; and the controller is electrically connected with the conveying device, the mechanical arm, the spray gun and the paint supply device.

Further, the conveying device includes: the first end of the frame is arranged in the spray room, and the second end of the frame is positioned outside the spray room; the linear motion mechanism is arranged on the rack; the spraying table is fixed on the linear motion mechanism, the linear motion mechanism drives the spraying table to reciprocate between the first end and the second end of the rack, and a first connecting interface is arranged on the spraying table; the clamp is provided with a second connecting interface matched with the first connecting interface and a workpiece interface matched with the workpiece; different workpiece interfaces are arranged on different clamps corresponding to different workpieces, and the different clamps have the same second connecting interface.

Further, the linear motion mechanism includes: the two ends of a screw rod of the ball screw are respectively and rotatably arranged at the first end and the second end of the rack; the driving motor is in transmission connection with the screw rod of the ball screw; wherein, the lower side surface of the spraying platform is fixedly connected with the nuts of the two groups of ball screws.

Further, the conveying device further comprises: the anti-fog cover is arranged at the first end of the rack and is in a box shape with one side opened, and one end of the screw rod of the ball screw rod extends into the anti-fog cover through the opening.

Furthermore, the first connecting interface and the second connecting interface are a plurality of round holes which are correspondingly arranged, and the clamp is connected with the spraying table through bolts; the workpiece interface is a square groove and is used for fixing a square workpiece.

Further, the mechanical arm is a six-axis robot; the number of the conveying devices is two, and the two conveying devices are respectively arranged on two sides of the six-axis robot.

Further, the spray table includes: the base is fixedly connected with the nut of the ball screw; the cylinder body of the rotary cylinder is fixedly connected with the base; the rotating table is fixedly connected with the rotating output end of the rotating cylinder; wherein, the rotating platform is provided with a first connecting interface.

Further, the paint supplying apparatus includes: the paint buckets store different paints; two cleaning agent barrels for storing cleaning solvents; the color changing valve is arranged on the paint supply pipe; wherein, paint kettle, cleaner bucket all communicate with the spray gun through supplying lacquer pipe, controller and trade look valve electric connection, trade the operation of look valve and communicate spray gun and different paint kettle or cleaner bucket through the controller control, realize paint feeding mechanism's automation and trade look or self-cleaning.

Furthermore, the top of the spraying room is provided with an air outlet and a plurality of air inlets, one side of the air outlet facing the inside of the spraying room is provided with a horn-type gas collecting hood, and one side of the air outlet facing the outside of the spraying room is provided with a fan.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: the automatic spraying device has the advantages of realizing automation of the spraying process, being convenient to operate and high in efficiency, reducing labor intensity, saving labor cost and realizing spraying operation of different types of workpieces.

Drawings

FIG. 1 is a schematic structural diagram of a spraying workstation suitable for small-batch and multi-variety spraying in the embodiment of the invention;

FIG. 2 is a schematic view of a line body of the conveying line according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the feeding assembly in the carry state according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the feeding assembly in a retracted state according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a painting robot according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a spray booth in an embodiment of the present invention;

FIG. 7 is a flow chart of a spray operation in an embodiment of the present invention;

FIG. 8 is a schematic structural view of a jig according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the spray coating in the embodiment of the present invention.

The symbols in the figures are as follows:

the automatic paint spraying machine comprises a spraying room 1, a conveying device 2, a paint supplying device 3, a mechanical arm 4, an anti-fog cover 5, a machine frame 6, a conveying line control box 7, a driving motor 8, a spraying table 9, a screw rod 10, a first driving shaft 11, a second driving shaft 12, a third driving shaft 13, a fourth driving shaft 14, a fifth driving shaft 15, a flange 16, a fan 17, an air inlet 18, a clamp 19, a first connecting interface 91, a second connecting interface 191 and a workpiece interface 192.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention and advantageous effects thereof will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, one embodiment of the present invention provides a spray workstation that accommodates small batches of multiple varieties.

The method comprises the following steps: spout room 1, conveyor 2, arm 4, the spray gun, paint feeding mechanism 3 and controller, specifically, spout room 1 and be the shell form of cuboid, spout room 1's inside provides the space of spray treatment for whole spraying work, one side at spout room 1 is provided with the opening, conveyor 2 provides the material loading for spraying work, in detail, conveyor 2's one end is located in spouting room 1, the other end is located outside spouting room 1, to treat that the work piece of spraying is placed on conveyor 2, conveyor 2 drives to treat that the spraying work piece moves to spout room 1 through the opening that spouts room 1 set up, wait after the spraying is accomplished, conveyor 2 again with the spraying work piece from spouting room 1 interior unloading of moving out, lift off workman's work piece and accomplish spraying work promptly. The mechanical arm 4 is arranged in the spraying room 1, a spray gun is arranged at the tail end of the mechanical arm 4, the spray gun is used for spraying paint, the tail end of the mechanical arm 4 can carry the spray gun to realize position conversion, and when the mechanical arm 4 sends the spray gun to a spraying position, the spray gun is controlled to start spraying work, so that spraying work at different positions is realized; the paint supply device 3 is arranged at one side of the spray room 1, and the spray gun is communicated with the paint supply device 3 through a paint supply pipe and is used for supplying paint to the spray gun. The controller is electrically connected with the conveying device 2, the mechanical arm 4, the spray gun and the paint supply device 3, and the controller is used for controlling the operation of the conveying device 2, the mechanical arm 4, the spray gun and the paint supply device 3 respectively, so that the automation of the whole spraying work is realized.

The conveying device 2 includes: frame 6, linear motion mechanism, driving motor 8, spout platform 9, anchor clamps 19, frame 6 is located along length direction's first end and is spouted in the room 1, the second end is located outside spouting the room 1, linear motion mechanism locates on frame 6, spout platform 9 and fix on linear motion mechanism, make linear motion mechanism can drive and spout platform 9 reciprocating motion between the first end of frame 6 and second end, thereby will spout platform 9 and move into spout room 1 from spouting room 1 outward, perhaps shift out from spouting in the room 1. The spraying table 9 is provided with a first connecting interface 91, the clamp 19 is provided with a second connecting interface 191 matched with the first connecting interface 91, so that the clamp 19 is installed on the spraying table 9 through the first connecting interface 91 and the second connecting interface 191, furthermore, the clamp 19 is also provided with a workpiece interface 192 matched with a workpiece to be sprayed, and the workpiece interface 192 is used for quickly installing the workpiece on the clamp 19 or detaching the workpiece from the clamp 19. In detail, the second connection interfaces 191 provided on the different jigs 19 are the same, that is, the interfaces of the different jigs 19 connected to the spray table 9 are common, and the different workpiece interfaces 192 are provided on the different jigs 19 corresponding to the different workpieces, so that different jigs 19 are designed for different workpieces according to various kinds of workpieces, the jigs 19 corresponding to the kinds of workpieces are installed on the spray table 9, and then the controller is operated to perform the spray program for the workpieces, thereby realizing the spray operation for the workpieces of different kinds.

Wherein, the linear motion mechanism includes but is not limited to: cam mechanism, hold-in range, linear electric motor, gear note, electric putter, ball.

In a specific embodiment of the present invention, as shown in fig. 3 and 4, the linear motion mechanism is a ball screw, and specifically, the linear motion mechanism includes: two sets of ball, the first end and the second end of frame 6 are rotationally located respectively at ball's screw rod 10's both ends, two sets of ball parallel arrangement, spout the equal fixed connection of downside and two sets of ball's nut of platform 9, driving motor 8 is connected with the screw rod 10 transmission, when driving motor 8 drive screw rod 10 rotated, the nut was rectilinear movement on screw rod 10, the nut drives and spouts platform 9 and move on screw rod 10, because screw rod 10 can two-way rotation, thereby realize spouting platform 9 and hold reciprocating motion between frame 6's first end and second.

Further, the first connection interface 91 and the second connection interface 191 are used for quick connection between the clamp 19 and the spray table 9, specifically, the first connection interface 91 and the second connection interface 191 are a plurality of correspondingly arranged round holes, and the clamp 19 is connected with the spray table 9 through bolts. The workpiece interface 192 is used to quickly mount a workpiece to the fixture 19 or dismount the workpiece from the fixture 19, so that different fixtures 19 can be provided with different interface shapes according to different workpieces, for example, for a square workpiece, the workpiece interface 192 is a square groove to facilitate quick fixing of the square workpiece. If the workpiece to be painted is spherical, the workpiece interface 192 is configured as a spherical recess, which is not limited to one another.

In a specific embodiment, as shown in fig. 8 and 9, the clamp 19 can fix the square object, and the square object with the corresponding size can be just fixed after being placed into the clamp 19. The bottom of the clamp 19 is provided with 4 round holes, the size of the round holes is consistent with that of the 4 holes on the spraying table 9, and the spraying can be carried out only by aligning and fixing the clamp 19 and the 4 holes on the spraying table 9. When the clamp 19 needs to be replaced, the screw is only required to be removed, a new clamp 19 is replaced, and the screw is tightened. The spray table 9 is provided with 4 holes, the size and the position distribution of the four holes are the same as those of the clamp 19, and the spray table 9 and the clamp 19 can be directly fixed through screws. When the clamp 19 needs to be replaced, the screw is only required to be removed, a new clamp 19 is replaced, and the screw is tightened.

Further, the conveying device 2 further includes: the anti-fog cover 5 is arranged at the first end of the rack 6, the anti-fog cover 5 is in a box shape with an opening on one surface, and one end of a screw rod 10 of the ball screw rod extends into the anti-fog cover 5 through the opening. The antifogging shield 5 has a certain diffusion preventing effect on the spray generated in the spraying process.

Further, different mechanical arms 4 can be selected according to different working condition requirements of the workpiece to be sprayed, such as a three-axis mechanical arm, a four-axis robot, a five-axis robot, a six-axis robot and the like.

In a specific embodiment of the present invention, as shown in fig. 5, the robot arm 4 is a six-axis robot, and the six-axis robot includes a first driving shaft 11, a second driving shaft 12, a third driving shaft 13, a fourth driving shaft 14, and a fifth driving shaft 15, so that the six-axis robot has six degrees of freedom and can reach all spatial positions of the spray room 1 and maintain any posture. The tail end of the six-axis robot can carry a spray gun to realize position conversion, so that spraying work at any position is realized; the six-axis robot and the conveying device 2 are mutually controlled to finish the spraying work together. After the conveying device 2 loads the workpiece, the workpiece is conveyed to a spraying point. At this time, the sensor on the conveying device 2 detects the workpiece and sends a signal to the six-axis robot, and the six-axis robot starts spraying. After one side is coated, the six-axis robot sends a signal to the conveying device 2, the spraying table 9 rotates 180 degrees, and the six-axis robot starts to coat the other side. After the workpieces are completely sprayed, the six-axis robot sends a signal to the conveying device 2, the spraying table 9 is withdrawn, and the spraying is completed.

The spraying table specifically comprises a base, a rotary cylinder and a rotary table, the base is fixedly connected with nuts of the ball screws, and a cylinder body of the rotary cylinder is fixedly connected with the base; the revolving stage and revolving cylinder's rotatory output fixed connection to through revolving cylinder drive revolving stage for the base rotation 180, wherein, be equipped with first connection interface on the revolving stage for on installing anchor clamps to the revolving stage, thereby drive the work piece rotation 180 on the anchor clamps. Specifically, the passages of the gas of the rotary cylinder are controlled by a servo valve, and when one passage is opened, the gas is rotated clockwise by 180 degrees, and when the other passage is rotated counterclockwise by 180 degrees, so that the rotary output end of the rotary cylinder is rotated by 180 degrees.

Further, as shown in fig. 1, the number of the conveying devices 2 is two, and the two conveying devices 2 are respectively provided on both sides of the six-axis robot. The two conveying devices 2 can respectively complete the processes of feeding, spraying and blanking. The workman carries out the material loading on the platform 9 that spouts on first conveyor 2, and second conveyor 2 sends the work piece into the spraying position, and six robots spraying is accomplished the back, and second conveyor 2 is again with the work piece unloading to realize two transfer chain operations in turn, improve spraying efficiency.

A conveyor line control box 7 is also arranged on one side of the frame, and the conveyor line control box 7 mainly controls the carry and the exit of the conveying device 2 and controls the rotation of the spraying table 9; the control box is provided with a button, the functions can be started through the button of the control box, and the six-axis robot can communicate with the control box and send signals to control the operation of the conveying device through the robot.

It is emphasized that the workstation adopts the working mode of the double conveying device to realize the continuous spraying. The left conveying device and the right conveying device operate independently, and the processes of feeding, spraying and discharging can be completed. When the right conveying device is used for spraying, the left conveying device can be used for blanking and loading; when the left conveying device carries out spraying, the right conveying device can carry out blanking and feeding. And the double-station design is adopted, and the spraying is carried out continuously, so that the production efficiency is improved.

The left and right directions are the directions indicated by arrows in fig. 1.

The paint supply apparatus 3 includes: the paint cleaning device comprises a plurality of paint buckets, two cleaning agent buckets and a color changing valve, wherein the paint buckets store different paints, and the two cleaning agent buckets are used for storing two cleaning solvents and are used for respectively cleaning the paint and the glue; trade the look valve and locate on supplying the lacquer pipe, paint kettle, cleaner bucket all communicate with the spray gun through supplying lacquer pipe, controller and trade look valve electric connection, trade the operation of look valve and communicate spray gun and different paint kettle or cleaner bucket through controller control, realize that paint feeding mechanism 3's automation trades look or self-cleaning.

In one particular embodiment, the paint supply 3 includes four paint buckets, two cleaning agent buckets, and is capable of providing automatic replacement of 4 paints and two cleaning agents. And the color changing valve is controlled by the six-axis robot through IO signals. After the type of the workpiece needing to be sprayed is determined, firstly, the robot sends a signal to the color changing valve, the color changing valve opens the cleaning agent passage, other passages are closed, and the spraying pipeline is cleaned. After the cleaning is finished, the six-axis robot sends a signal to the color changing valve to close the cleaning passage, and opens the passage needing paint, so that paint spraying can be carried out.

Further, as shown in fig. 6, an air outlet and a plurality of air inlets 18 are arranged at the top of the spray booth 1, a trumpet-shaped gas collecting hood is arranged at one side of the air outlet facing the interior of the spray booth 1, and a fan 17 is arranged at one side of the air outlet facing the exterior of the spray booth 1. In particular, the large amount of spray generated during the entire spraying process is harmful to the human body, and the large amount of spray is highly susceptible to explosion hazards. The spraying room 1 can generate a negative pressure environment by arranging the air inlet 18, the air outlet and the fan 17, and can evacuate a large amount of generated spray in time to ensure the safety of spraying work and the health of workers. The top of the spraying room 1 is provided with a self-suction type purification ceiling for effectively filtering and shielding dust. The outlet is provided with a horn-type gas collecting hood, harmful gas is effectively discharged through a high-pressure centrifugal fan and a pipeline, and the harmful gas is delivered to the place of the centralized waste gas treatment tower. Meanwhile, the equipment adopted by the spray room 1 is explosion-proof equipment, comprising an explosion-proof fan, an explosion-proof illuminating lamp, an explosion-proof line body and the like.

One specific embodiment of the invention provides a spraying workstation suitable for small-batch and multi-variety spraying, which comprises a conveying line (namely a conveying device 2), a six-axis robot, a spray gun, a paint supply system (namely a paint supply device 3), a spraying room 1 and a control system.

Wherein: the six-axis robot is fixed in the middle of the conveying line to complete the positioning work of the spraying action; the feeding conveying lines designed in double stations are arranged on two sides of the robot to provide workpieces for the spraying robot and discharge the sprayed workpieces; the spray gun is fixed on the six-axis robot and used for finishing the spraying action of the paint; the paint supply system 3 provides paint for spraying, so that the automation and the continuity of paint spraying actions are realized; the control system realizes the spraying of the spray gun, the supply of the paint, the feeding control of the conveying line and the motion control of the spraying robot. The spray room 1 adopts a large wind power fan, and can realize the timely treatment of spraying mist.

In the invention, the conveying line comprises two parallel lines. The two conveying lines can respectively complete the processes of feeding, spraying and discharging, one line can prepare for preparing spraying when spraying, and the other line can prepare for preparing spraying. The two lines run in parallel, thereby realizing the uninterrupted operation of spraying.

A power mechanism of the conveying line is a driving motor 8, the driving motor 8 is connected with a roller lead screw, a workpiece to be sprayed is conveyed to a spraying point through the roller lead screw, and the workpiece is discharged after spraying is finished; the roller lead screw transmission mechanism drives the spraying platform 9 to move back and forth. The workpiece is placed on the spraying table 9, and the spraying table 9 is controlled to enter and exit, so that the feeding and discharging of the spraying work can be completed. Meanwhile, the spraying table 9 can rotate 180 degrees, and after the spraying on one side is finished, the spraying table 9 rotates 180 degrees to continuously spray the other side.

The spray table 9 is provided with a universal interface, different fixtures 19 are designed for different workpieces, the fixtures 19 are connected with the spray table 9, and the fixtures 19 are connected with the spray table 9 through the uniform interface. The spraying operation of different kinds of workpieces can be realized by operating the spraying program of the robot for the workpiece; the spraying point of the conveying line is provided with an antifogging cover 5 which has certain protection effect on the spray generated in the spraying process.

The mutual control of the six-axis robot and the conveying line comprises the following steps: and a sensor on the conveying line controls the operation of the robot by detecting the position of the workpiece. After the workpieces are fed by the conveying line, the workpieces are conveyed to a spraying point. At the moment, the sensor on the conveying line sends a signal to the six-axis robot after detecting the product, and the six-axis robot starts spraying. After one side is sprayed, the six-axis robot sends a signal to the conveying line, the conveying line spraying table 9 rotates 180 degrees, and the six-axis robot starts to spray the other side. And after the workpieces are completely sprayed, the six-axis robot sends a signal to the conveying line, the product is withdrawn, and the spraying is finished.

The spray gun is arranged at the tail end of the flange 16 of the six-axis robot, and the spray gun can automatically adjust the fan amplitude and the flow according to the viscosity of paint. The paint supply system may provide a supply of a variety of paints, depending on the spray requirements. The system is provided with an automatic paint replacing function, and automatic switching of paint spraying can be automatically realized without suspension of spraying in the spraying process. Meanwhile, the system can realize the automatic cleaning of the pipeline and the spray gun; in the automatic paint change, the system enables the entire utility line and spray gun to be cleaned with solvent and a new supply of paint to be provided after the cleaning is complete.

In the present invention, as shown in fig. 7, the control system includes a controller, and the six-axis robot, the spray gun, the conveyor line, and the paint supply system are connected by the controller, so as to realize the continuity and the logicality of the whole spraying action.

Specifically, the control logic comprises the steps of:

step 1: determining whether a spraying program corresponding to the workpiece exists, if so, executing a step 3, otherwise, executing a step 2;

step 2: teaching a robot spraying program;

and step 3: selecting a robot spraying program corresponding to the workpiece;

and 4, step 4: operating the robot according to the selected spraying program;

and 5: after the left station is fed, the spraying table is conveyed to the position of a left spraying point; and/or after the feeding of the right station is determined, the spraying platform is conveyed to the position of a right spraying point;

step 6: determining that the workpiece is conveyed to a left spraying point and/or a right spraying point, and sending a signal to the six-axis robot, wherein the six-axis robot starts to execute a spraying program;

and 7: after the spraying side is determined to be finished, controlling the spraying table to rotate 180 degrees;

and 8: controlling a spray gun to spray the other side of the workpiece;

and step 9: the six-axis robot acquires a spraying completion signal and controls the conveying device to move out the left spraying point and/or the right spraying point of the spraying table;

step 10: and (5) determining that the spraying is finished, and blanking the workpiece on the left station and/or the right station.

Specifically, the six-axis robot can control the feeding and discharging of the conveying line and the rotation of the spraying table, and the conveying line can send a feeding completion signal and a spraying table rotation completion signal to the six-axis robot to control the spraying work of the six-axis robot; the six-axis robot controls paint switching and cleaning of the paint supply system, and the paint system sends a switching completion signal and a cleaning completion signal to the six-axis robot; the feeding and discharging of the conveying line are controlled by the control button at the same time.

The invention has the following beneficial effects: the automatic spraying device has the advantages that the automation of the spraying process is realized, the operation is convenient, the efficiency is high, a worker only needs to place a workpiece to be sprayed into the positioning fixture, the workpiece is taken down after the spraying is finished after the button is pressed down, the whole process realizes the automation of the control, and the problems of low efficiency, high labor intensity, high labor cost and the like in the operation of the worker can be solved. Due to the double-station design, the two feeding assemblies are alternately fed, the spraying robot 4 can continuously work without stop, and the production efficiency is improved. The original non-intermittent work of workers is changed into the feeding at a certain interval, so that the labor force is reduced, and the labor intensity is greatly reduced. The cost of workers is reduced, and the required labor cost is reduced.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a spraying workstation that is adapted to many varieties of small batch, its characterized in that includes:

spraying a room;

one end of the conveying device is arranged in the spraying room, and the other end of the conveying device is positioned outside the spraying room;

the mechanical arm is arranged in the spray room;

the spray gun is fixed at the tail end of the mechanical arm;

the paint supply device is arranged on one side of the spray room and is communicated with the spray gun through a paint supply pipe;

and the controller is electrically connected with the conveying device, the mechanical arm, the spray gun and the paint supply device.

2. A painting workstation adapted for small batches of multiple varieties according to claim 1, wherein said conveying means comprises:

the first end of the rack is arranged in the spraying room, and the second end of the rack is positioned outside the spraying room;

the linear motion mechanism is arranged on the rack;

the spraying table is fixed on the linear motion mechanism, the linear motion mechanism drives the spraying table to reciprocate between the first end and the second end of the rack, and a first connecting interface is arranged on the spraying table;

the fixture is provided with a second connecting interface matched with the first connecting interface and a workpiece interface matched with a workpiece;

different workpiece interfaces are arranged on different clamps corresponding to different workpieces, and the different clamps have the same second connecting interface.

3. A spray workstation adapted for small batches of multiple varieties according to claim 2, wherein said linear motion mechanism comprises:

the two ends of a screw rod of the ball screw are respectively and rotatably arranged at the first end and the second end of the rack;

the driving motor is in transmission connection with the screw rod of the ball screw;

wherein, the downside of spouting the platform and two sets of ball's equal fixed connection of nut.

4. A painting workstation adapted for small batches of multiple varieties according to claim 3, wherein said conveying means further comprises:

the anti-fog cover is arranged at the first end of the rack and is in a box shape with an opening on one surface, and one end of the screw rod of the ball screw rod extends into the anti-fog cover through the opening.

5. A painting workstation adapted for small batches of multiple varieties according to claim 2,

the first connecting interface and the second connecting interface are a plurality of round holes which are correspondingly arranged, and the clamp is connected with the spraying table through bolts;

the workpiece interface is a square groove and is used for fixing a square workpiece.

6. A painting workstation adapted for small batches of multiple varieties according to claim 3,

the mechanical arm is a six-axis robot;

the number of the conveying devices is two, and the two conveying devices are respectively arranged on two sides of the six-axis robot.

7. A spray workstation adapted for small batches of multiple varieties according to claim 6, wherein said spray booth comprises:

the base is fixedly connected with the nuts of the ball screws;

the cylinder body of the rotary cylinder is fixedly connected with the base;

the rotating table is fixedly connected with the rotating output end of the rotating cylinder;

wherein, be equipped with on the revolving stage first connection interface.

8. A painting workstation adapted for small batches of multiple varieties according to claim 1, wherein said paint supply means comprises:

the paint buckets store different paints;

two cleaning agent barrels for storing cleaning solvents;

the color changing valve is arranged on the paint supply pipe;

wherein, the paint kettle the cleaner bucket all pass through supply the lacquer pipe with the spray gun intercommunication, the controller with trade look valve electric connection, through the controller control trade look valve operation will the spray gun with different paint kettle or cleaner bucket intercommunication realize paint feeding mechanism's automation and trade look or self-cleaning.

9. Spraying workstation adapted to small batches of multiple varieties according to claim 1,

the top of the spray room is provided with an air outlet and a plurality of air inlets, one side of the air outlet facing the interior of the spray room is provided with a horn-type gas collecting hood, and one side of the air outlet facing the exterior of the spray room is provided with a fan.