CN218655012U

CN218655012U - Anti-pollution electrostatic spray gun

Info

Publication number: CN218655012U
Application number: CN202222302253.7U
Authority: CN
Inventors: 方良庭
Original assignee: Nanjing Yilaishen Automation Equipment Co ltd
Current assignee: Nanjing Yilaishen Automation Equipment Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-21
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses an anti-pollution static spray gun, it includes casing and the quiet ring of metal, the quiet ring of metal includes outer loop, installation circle and connecting piece, the outer loop is connected with the installation circle through a plurality of evenly distributed's connecting piece, the installation circle is located the central point of outer loop and puts, the quantity of connecting piece is three or more than three, the connecting piece is the arc, be equipped with in the casing in proper order and spout cup, atomizer and static high voltage generator, spout cup, atomizer and inlet pipe intercommunication, the quiet ring of metal is installed and is located the one end of spouting the cup in the casing outside. The utility model discloses simple structure, convenient to use through set up the quiet ring of metal on the spray gun shell, has further enlarged the electric field, makes the electric field more even simultaneously, reduces the paint particle that rebounds from the work surface, adopts and spouts the cup and connect the atomizer, and it is more even to make to spray paint, improves the utilization ratio and the spraying efficiency of paint, improves the quality of product, and reduction in production cost can also improve the life of spray gun, dismantles simple to operate, has good application prospect.

Description

Anti-pollution electrostatic spray gun

Technical Field

The utility model belongs to the technical field of the spraying equipment, concretely relates to anti-pollution electrostatic spray gun.

Background

The atomized paint particles are negatively charged in a direct-current high-voltage electric field, and under the action of the electric field force, the paint particles fly to the surface of a workpiece with positive charges to form a paint film, and the process is called electrostatic painting. With the continuous development of the industrial technology level, the electrostatic painting technology is widely applied to the surface treatment of various industrial industries, and compared with the traditional painting technology, the electrostatic painting technology not only can save the principle, but also can mechanize and continue the painting process, reduce the reject ratio of the painting and obtain the excellent film coating effect. The common equipment for electrostatic spraying is an electrostatic spray gun, and in the actual production process, about 20% of paint particles rebound or scatter from the surface of a workpiece to the surrounding space to pollute surrounding objects or the surface of the spray gun, so that the waste of raw materials and the pollution of the equipment are caused, the spraying effect is influenced, the production cost is further increased, and the development of enterprises is not facilitated.

Chinese patent publication No. CN 205217185U discloses a multifunctional electrostatic paint spray gun, which comprises a handle, a charging interface, a storage battery, a switch knob, a gun body, a paint tank, a connecting pipe and a spray head; the front end of the gun body is connected with a spray pipe, and the front end of the spray pipe is movably connected with a flow regulating valve; the spray head is arranged on the spray pipe, and the outer end of the spray head is provided with an annular cover; a lamp strip is arranged on the spray head and is electrically connected with the storage battery; the top of spray tube is connected with the connecting pipe, and connecting pipe and paint can threaded connection. This multi-functional electrostatic paint spray gun, it adopts and is provided with annular cover in the shower nozzle outer end, though can prevent splashing of paint when oil spout lacquer, avoids polluting the spray gun, but its unable problem of solving the paint rebound or scattering fundamentally still can cause the waste of paint, has the space of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti-pollution electrostatic spray gun to above-mentioned prior art not enough, can reduce scattering and the bounce-back of paint, effective material saving improves the spraying quality.

The utility model adopts the technical scheme as follows:

the utility model provides an anti-pollution static spray gun, it includes casing and quiet ring of metal, the quiet ring of metal includes the outer loop, installation circle and connecting piece, the outer loop is connected with the installation circle through a plurality of evenly distributed's connecting piece, the installation circle is located the central point of outer loop and puts, the quantity of connecting piece is three or more, the connecting piece is the arc, be equipped with in proper order in the casing and spout cup, atomizer and static high voltage generator, spout cup, atomizer and inlet pipe intercommunication, the quiet ring of metal is installed in the outside one end that is located the spout cup of casing.

In a preferred scheme, the surface of the inner ring of the mounting ring is provided with an internal thread, the surface of the shell is provided with an external thread matched with the internal thread, and the metal stationary ring is in threaded connection with the shell through the internal thread.

Specifically, the diameter of the ejection cup is 40 mm to 70 mm, and the diameter of the outer ring of the metal static ring is 250 mm to 300 mm.

Preferably, the number of the connecting pieces is four, and the connecting pieces are in an arc-shaped fan blade shape.

The device also comprises a high-voltage controller, and the electrostatic high-voltage generator is connected with the high-voltage controller.

The beneficial effects of the utility model are that:

this device simple structure, convenient to use, through set up the quiet ring of metal on the spray gun shell, further enlarged the electric field, it is more even to make the electric field simultaneously, reduces the paint particle that rebounds from the workpiece surface, adopts and spouts cup connection atomizer, and it is more even to make to spray paint, improves the utilization ratio and the spraying efficiency of paint, improves the quality of product, reduction in production cost can also improve the life of spray gun, and secondly, the quiet ring of metal and casing threaded connection dismantle simple to operate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the inside of the housing of the present invention;

fig. 3 is a schematic structural view of the metal stationary ring of the present invention;

in the figure: 1-a shell; 2-a metal stationary ring; 3-a connector; 4, mounting a ring; 5-the outer ring; 6-spraying the cup; 7-an atomizer; 8-an electrostatic high voltage generator; 9-feeding pipe; 10-a high voltage controller; 11-internal screw thread.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-3, the utility model discloses it is including casing 1 and metal quiet ring 2, metal quiet ring 2 includes outer loop 5, collar 4 and connecting piece 3, outer loop 5 is connected with collar 4 through a plurality of evenly distributed's connecting piece 3, collar 4 is located the central point of outer loop 5 and puts, the quantity of connecting piece 3 is three or more than three, connecting piece 3 is the arc, be equipped with spout cup 6 in the casing 1 in proper order, atomizer 7 and static high voltage generator 8, spout cup 6, atomizer 7 communicates with inlet pipe 9, metal quiet ring 2 installs in the outside one end that is located spout cup 6 of casing 1.

And a feeding valve is also arranged on the feeding pipe 9 to control the feeding condition of the paint. The atomizer 7 can make the spraying of paint more even, improves product quality.

In this device, the inner circle surface of retainer ring 4 is equipped with internal thread 11, the surface of casing 1 is equipped with the external screw thread with internal thread 11 assorted, quiet ring 2 of metal passes through internal thread 11 and casing 1 threaded connection, when needs use quiet ring 2 of metal, screw quiet ring 2 of metal through internal thread 11 and casing 1 on the retainer ring 4, when need not use, can pull down convenient storage with quiet ring 2 of metal, it is also convenient to change the maintenance, quiet ring 2 of metal adopts conductive metal material to make, be used for increasing the electric field scope and stabilizing the electric field, reduce the bounce-back of paint particle.

In a preferable mode, the diameter of the nozzle 6 is 40 mm to 70 mm, and the diameter of the outer ring 5 of the metal stationary ring 2 is 250 mm to 300 mm.

Furthermore, the number of the connecting pieces 3 is four, so that the structure is more firm, and the connecting pieces 3 are arc-shaped fan blades, so that the whole body is smooth and attractive.

Still can set up the handle on casing 1, handle department sets up anti-skidding texture, makes things convenient for the staff to take the operation, and in another kind scheme, can set up the connector with the butt joint of spraying robot on casing 1, on the arm of spraying robot is conveniently installed.

The device also comprises a high-voltage controller 10, and the electrostatic high-voltage generator 8 is connected with the high-voltage controller 10 and used for controlling the opening and closing of the electrostatic high-voltage generator 8. The electrostatic high-voltage generator 8 provides a voltage of about-90 kV, a high-voltage discharge needle is arranged at an outlet of the spray cup 6, negative high voltage output by the electrostatic high-voltage generator 8 is connected with the high-voltage discharge needle, and a large amount of negative charges exist around the high-voltage discharge needle, so that paint particles passing through the high-voltage discharge needle are negatively charged, and the paint particles are negatively charged and automatically move to the surface of a grounded workpiece.

And simultaneously, the utility model discloses an all parts need satisfy fire prevention, explosion-proof requirement, guarantee the security.

The utility model discloses a use as follows:

when using this device, work piece ground connection is as anodal, spout cup 6 connects static high voltage generator 8 as the negative pole, open the switch of static high voltage generator 8, adjust to suitable voltage, open the valve of inlet pipe 9, paint is spout by spouting cup 6 after 7 atomizes through the atomizer, form the paint particle of taking the negative charge under the effect of static high voltage generator 8, the paint particle moves to the work piece surface under the effect of electric field force, because the further constraint of metal stationary ring 2, the phenomenon that the paint particle rebounds and scatters effectively reduces, the paint raw materials have been saved, the paint spraying is more even simultaneously.

Other processes of the utility model can adopt the prior art.

The best embodiment of the present invention has been clarified, and the further expansion made by the person skilled in the art to the present invention all falls into the protection scope of the present invention.

Claims

1. The utility model provides an anti-pollution static spray gun, characterized by it includes casing (1) and quiet ring of metal (2), quiet ring of metal (2) includes outer loop (5), collar (4) and connecting piece (3), outer loop (5) are through a plurality of evenly distributed connecting piece (3) with collar (4) are connected, collar (4) are located the central point of outer loop (5) puts, the quantity of connecting piece (3) is three or more, connecting piece (3) are the arc, be equipped with in proper order in casing (1) and spout cup (6), atomizer (7) and static high voltage generator (8), spout cup (6), atomizer (7) and inlet pipe (9) intercommunication, quiet ring of metal (2) install in casing (1) outside is located spout the one end of cup (6).

2. The anti-pollution electrostatic spray gun according to claim 1, characterized in that the inner ring surface of the mounting ring (4) is provided with an internal thread (11), the surface of the housing (1) is provided with an external thread matching the internal thread (11), and the metal stationary ring (2) is in threaded connection with the housing (1) through the internal thread (11).

3. The anti-contamination electrostatic spray gun according to claim 1, characterized in that the diameter of said nozzle cup (6) is between 40 and 70 mm and the diameter of the outer ring (5) of said metallic static ring (2) is between 250 and 300 mm.

4. The anti-contamination electrostatic spray gun according to claim 1, characterized in that the number of said connectors (3) is four, said connectors (3) being in the form of arc-shaped blades.

5. The anti-contamination electrostatic spray gun according to claim 1, further comprising a high voltage controller (10), said electrostatic high voltage generator (8) being connected to said high voltage controller (10).