CN215141074U

CN215141074U - Automatic electrostatic spraying equipment

Info

Publication number: CN215141074U
Application number: CN202023299285.3U
Authority: CN
Inventors: 黄秉慧; 史建群; 赵秋平; 沈素英; 王爱琴; 王慧; 张弦
Original assignee: Yejian New Material Co ltd
Current assignee: Yejian New Material Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-14
Anticipated expiration: 2030-12-31

Abstract

The application discloses automatic electrostatic spraying equipment, which comprises a powder spraying chamber and a hanger tool positioned in the powder spraying chamber, wherein the hanger tool comprises two long circular tubes, two rectangular square tubes and a ball screw, two ends of the ball screw are inserted into through holes of the rectangular square tubes on two sides, one end of the ball screw is rotatably connected with the rectangular square tubes, and the other end of the ball screw extends out of the rectangular square tubes and is connected with a motor output shaft through a coupler; the ball screw and the two long circular tubes are respectively sleeved with a linear motion ball bearing, the linear motion ball bearings are fixedly connected through a connecting rod, and the connecting rod is provided with rows of hooks for hanging components. The horizontal multi-fixing-point design can solve the problem of stability of the member during moving and spraying; the spray gun has the advantages that the fixed direction of the component on the connecting rod is adjusted to correspond to the spray range of each spray gun, so that the problems of uneven spraying and poor spraying effect in areas difficult to spray can be solved.

Description

Automatic electrostatic spraying equipment

Technical Field

The application relates to the technical field of electrostatic spraying equipment, in particular to automatic electrostatic spraying equipment.

Background

With the rapid development of economy, the requirements of the surface of engineering equipment on protection are higher and higher, the pursuit of people on the beautiful appearance of living goods is continuously improved, the market scale of global spraying coatings is promoted to be continuously increased, and the technical performance and the requirements on the spraying equipment are also continuously improved. The increase of the application field of electrostatic spraying, particularly powder electrostatic spraying, is becoming a key driving factor of the market, and the advantages of protection of material abrasion and corrosion, low discharge amount of toxic gas, thickness, antistatic performance and the like are achieved, so that the application field of the thermal spraying coating is continuously expanded, and the market development is promoted. From large-scale railway passenger cars, automobiles and tractors to industries such as small-scale workpieces, toys, household appliances and the like, the electrostatic powder spraying technology can be adopted, and the continuity and automation of coating operation can be realized. Particularly in the fields of automobile manufacturing and bicycle manufacturing aviation compact parts, automobiles, medical instruments, industrial gas turbines, and the like.

Electrostatic powder spraying is known to be carried out inside the powder-spraying chamber of an electrostatic spraying device, stopping when a component moves into the spraying range of a spray gun, by which the coating is sprayed onto the component. However, at present, the components are generally suspended by a single hook and then move in the powder spraying chamber, and the components are stressed to generate large swing in the moving process or the spraying process, so that the components are in the risk of falling. Meanwhile, the spray gun of the existing electrostatic powder spraying device can achieve a good spraying effect on a smooth surface, and is difficult to completely and effectively cover difficult spraying areas such as bending areas or deep groove areas, so that the spraying is uneven and the spraying effect is poor.

SUMMERY OF THE UTILITY MODEL

The purpose of this application lies in: the utility model provides an automatic electrostatic spraying equipment to solve the steady problem that the component exists when removing and spraying, and to the spraying that difficult spraying areas such as bending region or deep trouth area exist inhomogeneous, the poor problem of spraying effect.

The technical scheme of the application is as follows: the automatic electrostatic spraying equipment comprises a powder spraying chamber and a hanging bracket tool positioned in the powder spraying chamber, wherein the hanging bracket tool comprises two long round pipes for forming the long sides of a tool outer frame and two rectangular square pipes for forming the short sides of the tool outer frame, and two ends of each long round pipe are inserted into the rectangular square pipes to form a closed rectangular frame structure;

a ball screw parallel to the long round pipe is installed inside the tool outer frame, corresponding through holes are formed in the opposite surfaces of the two rectangular square pipes, two ends of the ball screw 3 are inserted into the through holes of the two rectangular square pipes, one end of the ball screw is rotationally connected with the rectangular square pipes, the other end of the ball screw extends out of the rectangular square pipes and is connected with a motor output shaft through a coupler, external threads are machined in a section of the ball screw located inside the tool outer frame, and the section extending out of the rectangular square pipes is a smooth cylindrical section;

the ball screw and the two long circular tubes are respectively sleeved with the same number of linear motion ball bearings, the distances between the linear motion ball bearings sequenced back and forth are set according to the size requirements of components, the lower parts of the linear motion ball bearings sequenced identically on the ball screw and the two long circular tubes are fixedly connected through transverse connecting rods, the ball screw and the adjacent linear motion ball bearings on the two long circular tubes are respectively fixedly connected through longitudinal connecting rods, rows of hooks for hanging the components are installed on the transverse connecting rods and the longitudinal connecting rods, the transverse connecting rods and the longitudinal connecting rods form a network of fixed components, and the components are fixed on the same transverse connecting rod or the same longitudinal connecting rod or obliquely fixed on different transverse connecting rods and longitudinal connecting rods according to the spraying direction.

The beneficial effect of this application is:

(1) according to the utility model provides an automatic electrostatic spraying equipment, the motor drives ball screw rotation, makes linear motion ball bearing drive horizontal connecting rod and vertical connecting rod and move on the spraying route, and then implements the spraying of component, and horizontal connecting rod and vertical connecting rod are many fixed point designs, can solve the steady problem that the component exists when removing and spraying; the spray gun has the advantages that the fixed directions of the components on the transverse connecting rod and the longitudinal connecting rod are adjusted to correspond to the spray range of each spray gun, so that the problems of uneven spraying and poor spraying effect existing in areas difficult to spray, such as bending areas or deep groove areas, can be solved;

(2) according to the automatic electrostatic spraying equipment provided by the utility model, the rod-shaped positive electrode is fixed in front of the area difficult to be sprayed, and the negatively charged paint particles move towards the area difficult to be sprayed under the guiding action of the rod-shaped positive electrode in the spraying process, so that the uniform spraying of the area difficult to be sprayed is realized;

(3) according to the utility model provides a pair of automatic electrostatic spraying equipment, through the design of accumulator, be convenient for realize not adhering to the recovery of coating.

Drawings

The advantages of the above and/or additional aspects of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic block diagram of an automated electrostatic spray coating apparatus according to one embodiment of the present application;

fig. 2 is a schematic view showing a positional relationship between a rod-shaped positive electrode and a belt member according to an embodiment of the present application.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

As shown in fig. 1, the embodiment provides an automatic electrostatic spraying device, which includes a powder spraying chamber and a hanger tool located inside the powder spraying chamber, wherein the hanger tool includes two long round pipes 1 for forming long sides of a tool outer frame and two rectangular square pipes 2 for forming short sides of the tool outer frame, and two ends of each long round pipe 1 are inserted into the rectangular square pipes 2 to form a closed rectangular frame structure;

a ball screw 3 parallel to the long round pipe 1 is installed inside the tool outer frame, corresponding through holes are formed in the opposite surfaces of the two rectangular square pipes 2, the two ends of the ball screw 3 are inserted into the through holes of the rectangular square pipes 2 on the two sides, one end of the ball screw is rotatably connected with the rectangular square pipes 2, the other end of the ball screw extends out of the rectangular square pipes 2 and then is connected with a motor output shaft through a coupler, external threads are machined in a section of the ball screw 3 located inside the tool outer frame, and the section extending out of the rectangular square pipes 2 is a smooth cylindrical section;

the ball screw 3 and the two long circular tubes 1 are respectively sleeved with the same number of linear motion ball bearings 4, the linear motion ball bearings 4 which are sequenced back and forth are spaced at a set distance according to the size requirement of a component, the lower parts of the linear motion ball bearings 4 which are sequenced in the same way on the ball screw 3 and the two long circular tubes 1 are fixedly connected through a transverse connecting rod 5, the ball screw 3 and the adjacent linear motion ball bearings 4 on the two long circular tubes 1 are respectively fixedly connected through a longitudinal connecting rod 6, the transverse connecting rod 5 and the longitudinal connecting rod 6 are provided with rows of hooks for hanging the component, the transverse connecting rod 5 and the longitudinal connecting rod 6 form a network of fixed components, and the component can be fixed on the same transverse connecting rod 5, or fixed on the same longitudinal connecting rod 6, or obliquely fixed on different transverse connecting rods 5 and longitudinal connecting rods 6 according to the spraying direction requirement; the multi-fixing-point design of the transverse connecting rod 5 and the longitudinal connecting rod 6 can solve the problem of stability of the member during moving and spraying; the fixed directions of the components on the transverse connecting rod 5 and the longitudinal connecting rod 6 are adjusted to correspond to the spraying ranges of the spray guns, so that the problems of uneven spraying and poor spraying effect existing in areas difficult to spray, such as bending areas or deep groove areas, can be solved.

The utility model discloses in, 2 junctions are managed in long pipe 1 and rectangle side, processing slant strengthening rib 7, strengthen the steadiness of frock frame.

The utility model discloses in, the bottom surface height of transverse connecting rod 5 and longitudinal connecting rod 6 is the same, and then the height of couple is close, and the hanging of the component of being convenient for is fixed.

The utility model discloses in, install the bearing in the through-hole of fixed ball 3 on rectangle side pipe 2 for reduce the frictional resistance that the rotation produced.

The utility model discloses in, the cover is equipped with 3 linear motion ball bearings 4 respectively on ball 3 and two long pipe 1.

The inventors found that the adjustment of the fixed orientation of the members on the transverse link 5 and the longitudinal link 6 can certainly achieve an excellent painting effect on the hard-to-paint region, but the adjustment is repeated for the region which is extremely hard to paint, such as a small corner, and the painting efficiency is low. In order to solve this problem, the present inventors have conducted intensive studies, and as shown in fig. 2, have determined that a rod-shaped positive electrode 8 is fixed in front of the region difficult to spray, and negatively charged paint particles move toward the region difficult to spray by the guiding action of the rod-shaped positive electrode 8 during spraying, thereby achieving uniform spraying of the region difficult to spray.

Further, the rod-like positive electrode 8 is fixed to the transverse link 5 and/or the longitudinal link 6 by a cable without being in contact with the member. The distance between the rod-shaped positive electrode 8 and the area difficult to spray is 10-15 cm.

The utility model discloses in, because the spraying region of spray gun is greater than the surface area of component far away, then there is a large amount of coating particles to be difficult to the problem attached to the component surface, for the convenience of retrieving, accumulator 9 is placed to the present inventor below the hanger frock, and the length of accumulator covers the spraying interval at length direction of spray gun.

Furthermore, the bottom of the recycling tank 9 is provided with a roller wheel which is convenient to move flexibly, and when the powder spraying chamber is opened, the recycling tank can push out the powder spraying chamber to recycle and clean the coating.

In the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The shapes of the various elements in the drawings are illustrative and do not preclude the existence of certain differences from the actual shapes, and the drawings are used for the purpose of illustrating the principles of the present application and are not intended to limit the present application.

Although the present application has been disclosed in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present application. The scope of the present application is defined by the appended claims and may include various modifications, adaptations, and equivalents of the subject application without departing from the scope and spirit of the present application.

Claims

1. The automatic electrostatic spraying equipment is characterized by comprising a powder spraying chamber and a hanging bracket tool positioned in the powder spraying chamber, wherein the hanging bracket tool comprises two long round pipes (1) used for forming the long sides of a tool outer frame and two rectangular square pipes (2) used for forming the short sides of the tool outer frame, and two ends of each long round pipe (1) are inserted into the rectangular square pipes (2) to form a closed rectangular frame structure;

a ball screw (3) parallel to the long round pipe (1) is installed inside the tool outer frame, corresponding through holes are formed in the opposite surfaces of the two rectangular square pipes (2), the two ends of the ball screw (3) are inserted into the through holes of the two rectangular square pipes (2), one end of the ball screw is rotatably connected with the rectangular square pipes (2), the other end of the ball screw extends out of the rectangular square pipes (2) and then is connected with a motor output shaft through a coupler, external threads are machined in a section of the ball screw (3) located inside the tool outer frame, and the section extending out of the rectangular square pipes (2) is a smooth cylindrical section;

the ball screw (3) and the two long circular tubes (1) are respectively sleeved with the same number of linear motion ball bearings (4), the distances between the linear motion ball bearings (4) sequenced back and forth are set according to the size requirements of components, the lower parts of the linear motion ball bearings (4) sequenced in the same way on the ball screw (3) and the two long circular tubes (1) are fixedly connected through a transverse connecting rod (5), the ball screw (3) and the adjacent linear motion ball bearings (4) on the two long circular tubes (1) are respectively fixedly connected through a longitudinal connecting rod (6), the transverse connecting rod (5) and the longitudinal connecting rod (6) are provided with rows of hooks for hanging the components, the transverse connecting rod (5) and the longitudinal connecting rod (6) form a network of fixed components, and the components are fixed on the same transverse connecting rod (5) or the same longitudinal connecting rod (6) according to the spraying direction, Or obliquely fixed on different transverse connecting rods (5) and longitudinal connecting rods (6).

2. The automatic electrostatic painting equipment according to claim 1, characterized in that the joint of the long round tube (1) and the rectangular square tube (2) is provided with an oblique reinforcing rib (7).

3. The automatic electrostatic spraying device according to claim 1, characterized in that the transverse link (5) and the longitudinal link (6) have the same height of the bottom surface.

4. The automatic electrostatic painting equipment according to claim 1, characterized in that a bearing is installed in a through hole of the rectangular square tube (2) for fixing the ball screw (3).

5. The automatic electrostatic painting equipment according to claim 1, characterized in that the ball screw (3) and the two long circular tubes (1) are respectively sleeved with 3 linear motion ball bearings (4).

6. The automatic electrostatic painting device according to claim 1, characterized in that a positive rod-shaped electrode (8) is fixed in front of the region of the component which is difficult to paint.

7. The automatic electrostatic spraying device according to claim 6, characterized in that the positive rod-shaped electrode (8) is fixed to the transverse link (5) and/or the longitudinal link (6) by a cable without contacting the component.

8. The automatic electrostatic painting device according to claim 6, wherein the distance between the positive rod-shaped electrode (8) and the area difficult to paint is 10 to 15 cm.

9. The automatic electrostatic painting apparatus according to claim 1, wherein a recovery tank (9) is placed below the hanger tool, and a length of the recovery tank covers a painting section of the spray gun in a length direction.

10. The automatic electrostatic painting equipment according to claim 9, wherein the bottom of the recovery tank (9) is provided with rollers.