CN214023368U

CN214023368U - Spray gun and automatic spraying device

Info

Publication number: CN214023368U
Application number: CN202023108112.9U
Authority: CN
Inventors: 左旭东; 肖启军; 吴林; 徐乐民; 张春峰; 韩海斌; 赵志花
Original assignee: Tianjin Mingjie Intelligent Equipment Co ltd
Current assignee: Tianjin Mingjie Intelligent Equipment Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The application discloses spray gun includes: the gun comprises a gun body, a nozzle body connected with one end of the gun body, an air cap arranged on the nozzle body and a inching valve arranged on the gun body and relatively far away from one end of the nozzle body; the air cap is provided with a first atomization hole, a plurality of second atomization holes and a plurality of fan-shaped holes. The application also discloses an automatic spraying device, include a spray gun, still include: the device comprises a bracket, a driving component arranged on the bracket and a transmission component connected with the driving component; the rotary joint drives the spray gun to rotate circumferentially. This device easy operation, convenient to use compares with manual spraying and saves release agent quantity 60%, has improved release agent spraying effect, has improved the operational environment of manual spraying operation to improve the life of work efficiency and mould again, reduced the cost of manufacture.

Description

Spray gun and automatic spraying device

Technical Field

The present disclosure relates generally to the field of automatic spray coating technology, and more particularly to a spray gun and an automatic spray coating apparatus.

Background

The release agent is an indispensable auxiliary material in the die-casting production, and the high-quality release agent not only can play a role in lubrication at high temperature, but also can avoid the direct contact of a workpiece to the surface of a cavity, improve the working condition of the die, reduce the thermal conductivity and the die temperature of the die, and adjust the temperature of each part of the die to be relatively stable, thereby improving the formability and prolonging the service life of the die.

With the wide application of the release agent in die casting production, the problem of the release agent in the spraying process is more and more obvious. At present, the spraying release agent mainly comprises the following components: firstly, manually holding a brush to brush a mold cavity; secondly, a spray gun is held by hand to spray the die cavity; thirdly, spraying the fixed nozzle aiming at the position of the die cavity when the sliding block is opened; fourthly, spraying by a robot. The first three of the three are manual spraying, most enterprises adopt manual spraying, the working environment is poor, the labor cost is high, and the consistency and the film forming quality are difficult to ensure; the last method can be only adopted in large enterprises with capital advantages, but the robot has high cost and is unacceptable for general enterprises.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a spray gun and an automatic spray coating device.

A spray gun, comprising: the gun comprises a gun body, a nozzle body connected with one end of the gun body, an air cap arranged on the nozzle body and a inching valve arranged on the gun body and relatively far away from one end of the nozzle body; the air cap is provided with a first atomization hole, a plurality of second atomization holes and a plurality of fan-shaped holes, the second atomization holes and the first atomization hole are coaxially arranged, the fan-shaped holes are arranged at the edge of the air cap and are symmetrically arranged, and the outlet of the nozzle body penetrates through the center of the first atomization hole; the inching valve is used for controlling the on-off of the material spraying, and the air cap is used for atomizing the coating and controlling the spraying type.

According to the technical scheme provided by the embodiment of the application, the protection plate is arranged at one end of the inching valve and used for protecting the inching valve from being damaged; the first atomization hole is arranged at the center of the air cap.

An automatic spraying device, including said spray gun, still include: the device comprises a bracket, a driving component arranged on the bracket and a transmission component connected with the driving component; the transmission assembly comprises a rotatable rotary joint connected with the driving assembly, the rotary joint is vertically arranged on the support, the spray gun is arranged into a plurality of parts and arranged on the rotary joint, and the rotary joint drives the spray gun to rotate circumferentially.

According to the technical scheme provided by the embodiment of the application, the transmission assembly further comprises: the transmission chain is connected with the driving assembly; the swivel joint includes: the device comprises a rotating shaft which is vertically arranged and connected with a transmission chain and two rotating plates which are respectively and horizontally arranged at two ends of the rotating shaft; the transmission chain level sets up in the support, the several spray gun sets up on the gyration board, the transmission chain can drive the gyration head and do circular motion.

According to the technical scheme provided by the embodiment of the application, the driving assembly comprises: the driving motor is arranged on the support, and the speed reducer is connected with the driving motor.

According to the technical scheme provided by the embodiment of the application, the bracket comprises: a vertical part for mounting the driving assembly and a horizontal part for transmission; one end of the vertical part is connected with one end of the horizontal part, and the transmission chain is horizontally arranged in the horizontal part.

According to the technical scheme that this application embodiment provided, still include the several governing valve and the valve island of being connected with the governing valve, the governing valve is connected with the several spray gun and is used for controlling the spray gun flow, the valve island is used for connection control pipeline and spray gun.

According to the technical scheme provided by the embodiment of the application, the device further comprises a sensor arranged on the bracket and a reciprocating machine connected with the bracket; the sensor is used for detecting the position of the rotary joint, and the reciprocating engine drives the support to reciprocate.

According to the technical scheme that this application embodiment provided, the spray gun is set to six, and respectively the symmetry sets up on two revolving plates.

According to the technical scheme provided by the embodiment of the application, the spray gun is detachably arranged on the rotary plate.

In summary, according to the technical scheme of the application, the spray gun capable of fully atomizing the coating and the automatic spraying device are arranged, so that the spraying effect can be improved; when the device is used, pressurized paint is directly introduced into the gun body through an external pipeline, the paint is sprayed out through the nozzle body, and the paint is atomized through the nozzle body and the air cap to be sprayed. After the robot finishes blanking, the support extends into a position between the upper die and the lower die, the driving assembly drives the transmission assembly to move, the rotary joint drives the plurality of spray guns to rotate, the spray guns are started to spray, the rotating time of the rotary joint is set according to the machining amount required by actual conditions, and after the rotation is finished, the support is withdrawn, so that the upper die and the lower die are subjected to subsequent forging production. This device easy operation, convenient to use compares with manual spraying and saves release agent quantity 60%, has improved release agent spraying effect, has improved the operational environment of manual spraying operation to improve the life of work efficiency and mould again, reduced the cost of manufacture.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a spray gun;

FIG. 2 is a schematic structural view of an air cap;

FIGS. 3-5 are schematic structural views of an automatic spray apparatus;

fig. 6 is a schematic structural diagram of the second embodiment.

Reference numbers in the figures: 1. a gun body; 2. a nozzle body; 3. an air cap; 4. a inching valve; 5. a first atomization hole; 6. a second atomization hole; 7. a sector hole; 8. a guard plate; 9. a support; 10. a drive assembly; 11. a swivel joint; 12. a drive chain; 13. a rotating shaft; 14. a rotating plate; 15. a drive motor; 16. a speed reducer; 17. a vertical portion; 18. a horizontal portion; 19. adjusting a valve; 20. a valve island; 21. a sensor.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

A spray gun, comprising: the gun comprises a gun body 1, a nozzle body 2 connected with one end of the gun body 1, an air cap 3 arranged on the nozzle body 2 and an inching valve 4 arranged on the gun body 1 and relatively far away from one end of the nozzle body 2; the air cap 3 is provided with a first atomization hole 5, a plurality of second atomization holes 6 and a plurality of fan-shaped holes 7, the second atomization holes 6 are coaxially arranged with the first atomization hole 5, the fan-shaped holes 7 are arranged at the edge of the air cap 3 and symmetrically arranged, and the outlet of the nozzle body 2 penetrates through the center of the first atomization hole 5; the inching valve 4 is used for controlling the on-off of the material spraying, and the air cap 3 is used for atomizing the coating and controlling the spraying type.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the protection plate 8 is arranged at one end of the inching valve 4, and the protection plate 8 is used for protecting the inching valve 4 from being damaged; the first atomization hole 5 is provided at the center of the air cap 3. The guard plate 8 can protect the inching valve 4 from being damaged by the high-temperature mold release agent.

When using the apparatus, as shown in fig. 1-2, pressurized paint is directly supplied to the gun body 1 through an external pipe, and the paint is sprayed to the outside through the nozzle body 2, atomized through the nozzle body 2 and the air cap 3, and sprayed. In a traditional spray gun, a release agent is generally sprayed out after being directly pressurized, the release agent is not sufficiently atomized, the film forming effect is poor, and the waste of the release agent is serious. The device adopts an external mixing type atomization mode, the main atomization process is completed through the space between the nozzle body 2 and the air cap 3, namely the position of the first atomization hole 5, and the air column from the first atomization hole 5 and the coating flow are matched with each other to generate the first-stage atomization of the coating.

The second atomization hole 6 is coaxially distributed in the first atomization hole 5, and has two functions: first, the spray pattern is not expanded too quickly and the end face of the nozzle body 2 is kept clean, causing a vortex or backflow if clogged or absent; second, it is particularly effective for high flow rate paint atomization, resulting in a second stage of atomization of the paint, thus enabling sufficient atomization of the release agent. The fan-shaped holes 7 on the air cap 3 provide air flow to form a fan-shaped pattern, the number and the size of the air holes are matched with the overall design of the spray gun, and the actual spray pattern required by production is finally obtained by adjusting the air pressure of the fan-shaped holes.

Example two

An automatic spraying device, including said spray gun, still include: the device comprises a support 9, a driving component 10 arranged on the support 9 and a transmission component connected with the driving component 10; the transmission assembly comprises a rotatable rotary joint 11 connected with a driving assembly 10, the rotary joint 11 is vertically arranged on the support 9, the spray guns are arranged into a plurality of parts and arranged on the rotary joint 11, and the rotary joint 11 drives the spray guns to rotate circumferentially.

When the device is used, as shown in fig. 3-5, after the robot finishes blanking, the robot extends into a space between an upper die and a lower die through a bracket 9, a driving component 10 drives a transmission component to move, a rotary joint 11 drives a plurality of spray guns on the rotary joint to rotate, the spray guns are started to spray, the rotation time of the rotary joint 11 is set according to the machining amount required by actual conditions, and after the rotation is finished, the bracket 9 is withdrawn, so that the upper die and the lower die are subjected to subsequent forging production; wherein, the atomizing fan-shaped of spray gun can be adjusted to spray gun quantity can be adjusted according to actual conditions, the spray gun is adjustable for the position of centre of rotation, is adjustable for the spraying contained angle on mould surface, and can realize the different types of spouting of every spray gun through adjusting fan-shaped air.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the transmission assembly further includes: a drive chain 12 connected to the drive assembly 10; the swivel joint 11 includes: a vertically arranged rotating shaft 13 connected with the transmission chain 12 and two rotating plates 14 respectively horizontally arranged at two ends of the rotating shaft 13; the transmission chain 12 is horizontally arranged in the support 9, the plurality of spray guns are arranged on the rotary plate 14, and the transmission chain 12 can drive the rotary joint 11 to do circular motion. As shown in fig. 4, the driving assembly 10 drives the transmission chain 12 to move, the transmission chain 12 drives the rotation shaft 13 to rotate, and the rotation shaft 13 drives the rotation plate 14 to rotate circumferentially.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the drive assembly 10 includes: a driving motor 15 arranged on the bracket 9 and a speed reducer 16 connected with the driving motor 15. The driving motor 15 drives the speed reducer 16 to rotate, and the speed reducer 16 drives the transmission chain 12 to rotate.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the support 9 comprises: a vertical part 17 for mounting the driving assembly 10 and a horizontal part 18 for transmission; one end of the vertical part 17 is connected with one end of the horizontal part 18, and the transmission chain 12 is horizontally arranged in the horizontal part 18.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the spray gun control system further comprises a plurality of regulating valves 19 and a valve island 20 connected with the regulating valves 19, wherein the regulating valves 19 are connected with the plurality of spray guns and used for controlling the flow of the spray guns, and the valve island 20 is used for connecting a control pipeline and the spray guns. As shown in fig. 5, the regulating valve 19 may be a manual flow regulating valve 19.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the device also comprises a sensor 21 arranged on the bracket 9 and a reciprocating engine connected with the bracket 9; the sensor 21 is used for detecting the position of the rotary joint 11, and the reciprocating engine drives the support 9 to reciprocate. As shown in fig. 4, the sensor 21 is used to detect the position of the swivel joint 11.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the number of the spray guns is six, and the spray guns are respectively and symmetrically arranged on the two rotary plates 14. As shown in fig. 3, the six spray guns may be divided into two groups, three of which are respectively disposed on the two turning plates 14.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the spray gun is detachably arranged on the rotary plate 14.

In the present embodiment, as shown in the figure, six spray guns are respectively arranged on two rotary plates 14, wherein the angle of each spray gun can be manually adjusted, and the positions of the spray guns at two ends of the rotary plates 14, namely the four spray guns, can be manually adjusted according to actual needs; the flow and the fan-shaped size of the spray gun are independently adjustable, and the bracket 9 is driven by the reciprocating engine to be retracted after the spraying is finished, so that the subsequent forging production is carried out.

The groove of the die is the most difficult place for demoulding the workpiece in the forging and pressing production process, and the quality of spraying the demoulding agent directly influences whether the workpiece can be demoulded smoothly. The consistency of film forming effect cannot be ensured by manual spraying, and overspray and dew spraying are easily caused. The device performs spraying in a rotating mode by adjusting the position, the angle and the spray spoke of the spray gun; in the present embodiment, as shown in fig. 6, according to the numbers of the spray guns shown in the figure, when the deep groove of the mold is on the upper mold, the gun 1 and the gun 3 spray the deep groove of the upper mold, the gun 2 sprays the large surface of the center of the upper mold, the gun 4 and the gun 5 spray the lower mold, and the gun 6 is closed, so that the uniform spraying of the whole mold is realized. When the deep groove of the die is positioned on the lower die, the gun 3 is closed, the gun 6 is opened, the position, the angle and the spray spoke of the spray gun are adjusted, the gun 4 and the gun 6 spray the deep groove of the lower die, the gun 5 sprays the large surface of the center of the lower die, and the gun 1 and the gun 2 spray the large surface of the center of the upper die.

To sum up, this device easy operation, convenient to use compares with manual spraying and saves release agent quantity 60%, has improved release agent spraying effect, has improved the operational environment of manual spraying operation to improve the life of work efficiency and mould again, reduced the cost of manufacture.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A spray gun, characterized by: the method comprises the following steps: the gun comprises a gun body (1), a nozzle body (2) connected with one end of the gun body (1), an air cap (3) arranged on the nozzle body (2) and a inching valve (4) arranged on one end, far away from the nozzle body (2), of the gun body (1); the air cap (3) is provided with a first atomization hole (5), a plurality of second atomization holes (6) and a plurality of fan-shaped holes (7), the second atomization holes (6) are coaxially arranged with the first atomization hole (5), the fan-shaped holes (7) are arranged at the edge of the air cap (3) and are symmetrically arranged, and the outlet of the nozzle body (2) penetrates through the center of the first atomization hole (5); the inching valve (4) is used for controlling the on-off of the spraying material, and the air cap (3) is used for atomizing the coating and controlling the spraying type.

2. A spray gun as claimed in claim 1, wherein: the protection plate (8) is arranged at one end of the inching valve (4), and the protection plate (8) is used for protecting the inching valve (4) from being damaged; the first atomization hole (5) is arranged at the center of the air cap (3).

3. An automatic spraying device which characterized in that: a spray gun comprising the spray gun of claims 1-2, further comprising: the device comprises a support (9), a driving component (10) arranged on the support (9), and a transmission component connected with the driving component (10); the transmission assembly comprises a rotatable rotary joint (11) connected with a driving assembly (10), the rotary joint (11) is vertically arranged on the support (9), the spray guns are arranged into a plurality of parts and arranged on the rotary joint (11), and the rotary joint (11) drives the spray guns to rotate circumferentially.

4. An automatic coating apparatus according to claim 3, wherein: the transmission assembly further includes: a transmission chain (12) connected with the driving assembly (10); the swivel joint (11) comprises: a rotating shaft (13) which is vertically arranged and connected with the transmission chain (12) and two rotating plates (14) which are respectively and horizontally arranged at two ends of the rotating shaft (13); the transmission chain (12) is horizontally arranged in the support (9), the plurality of spray guns are arranged on the rotary plate (14), and the transmission chain (12) can drive the rotary joint (11) to do circular motion.

5. An automatic coating apparatus according to claim 3, wherein: the drive assembly (10) comprises: a driving motor (15) arranged on the bracket (9) and a speed reducer (16) connected with the driving motor (15).

6. An automatic coating apparatus according to claim 3, wherein: the support (9) comprises: a vertical part (17) for mounting the drive assembly (10) and a horizontal part (18) for transmission; one end of the vertical part (17) is connected with one end of the horizontal part (18), and the transmission chain (12) is horizontally arranged in the horizontal part (18).

7. An automatic coating apparatus according to claim 3, wherein: the spray gun control system is characterized by further comprising a plurality of regulating valves (19) and valve islands (20) connected with the regulating valves (19), wherein the regulating valves (19) are connected with the plurality of spray guns and used for controlling the flow of the spray guns, and the valve islands (20) are used for connecting control pipelines and the spray guns.

8. An automatic coating apparatus according to claim 3, wherein: the device also comprises a sensor (21) arranged on the bracket (9) and a reciprocating engine connected with the bracket (9); the sensor (21) is used for detecting the position of the rotary joint (11), and the reciprocating engine drives the support (9) to reciprocate.

9. An automatic coating apparatus according to claim 4, wherein: the number of the spray guns is six, and the spray guns are respectively and symmetrically arranged on the two rotary plates (14).

10. An automatic coating apparatus according to claim 4, wherein: the spray gun is detachably arranged on the rotary plate (14).