CN212820551U

CN212820551U - Special spray gun for real mineral varnish spraying machine

Info

Publication number: CN212820551U
Application number: CN202021043116.0U
Authority: CN
Inventors: 杨凯锋
Original assignee: Suqian Guruifeng Spraying Equipment Co ltd
Current assignee: Suqian Guruifeng Spraying Equipment Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-30
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a special spray gun of real mineral varnish flush coater, including the spray gun valve casing, case subassembly, paint pipe, air duct, nozzle and gland nut, the front end of spray gun valve casing extends there is the boss that sprays paint, runs through the paint vehicle passageway of the boss that sprays paint and spray gun valve casing around having seted up in the spray gun valve casing, and the rear end of paint vehicle passageway is connected with paint pipe, still is provided with the air current channel who runs through spray gun valve casing rear end face in the spray gun valve casing, and air current channel's rear end is connected with the air duct, and the branch air current hole that a plurality of and air current channel switched on is seted up along the circumferencial direction to the preceding terminal surface of the boss that sprays paint, gland nut. The utility model discloses structural design arranges rationally, adopts and encircles the gas circuit, can be better with paint vehicle spun atomization effect for the paint vehicle spraying is even, and operation convenient to use has solved the phenomenon that traditional real mineral varnish spray gun relied on the gun needle, and the switch is tight, is difficult for the side leakage.

Description

Special spray gun for real mineral varnish spraying machine

Technical Field

The utility model relates to a paint spraying apparatus technical field specifically is a special spray gun of real mineral varnish flush coater.

Background

The stone-like paint has decorative effect similar to that of marble and granite. It is mainly made up by using natural stone powder with various colours, and can be used for imitating stone effect of external wall of building, so that it is also called liquid stone.

When the real stone paint is sprayed, a spray gun for a real stone paint spraying machine is generally needed, a traditional real stone paint spray gun generally adopts a single air inlet gas circuit, the atomization effect of the finally sprayed paint is not obvious, and in addition, the switch is not tight enough during use, and leakage detection is easy to occur; in addition, the paint delivery path is often angled and prone to jamming problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special spray gun of real mineral varnish flush coater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a spray gun special for a real stone paint spraying machine comprises a spray gun valve shell, a valve core assembly, a paint pipe, an air duct, a spray nozzle and a compression end cover nut, wherein a paint spraying boss extends from the front end of the spray gun valve shell, a paint channel which penetrates through the paint spraying boss and the spray gun valve shell is formed in the spray gun valve shell, the paint channel is connected with the paint pipe at the rear end of the paint channel, an air flow channel which penetrates through the rear end face of the spray gun valve shell is further formed in the spray gun valve shell, the air duct is connected with the rear end of the air flow channel, a plurality of branch air flow holes communicated with the air flow channel are formed in the front end face of the paint spraying boss in a circumferential direction in a distributed mode, the compression end cover nut is in threaded fit with the front end of the paint spraying boss and presses and attaches the spray nozzle to the front end of the paint spraying boss, the spray nozzle comprises a spray nozzle barrel body, the rear end of the spray hole corresponds to the branch airflow hole, and the front end of the spray hole is communicated with the central nozzle of the nozzle cylinder;

the valve core assembly comprises a valve rod which is rotatably arranged in a spray gun valve casing, an airflow ball valve used for plugging an airflow channel is arranged at the bottom of the valve rod, a paint ball valve used for plugging the paint channel is arranged in the middle of the valve rod, and the top end of the valve rod penetrates out of the spray gun valve casing and is fixed with a valve body handle.

Preferably, the rear end face of the nozzle is further provided with a sealing cushion in a fitting manner, the front end of the paint channel is further inserted with a pressing ring, and the rear end face of the sealing cushion is fitted with the pressing ring.

Preferably, an end sealing ring is arranged between the front end face of the nozzle convex ring table and the compression end cover nut.

Preferably, a ball valve housing is further arranged in the paint channel, and the paint ball valve is mounted inside the ball valve housing.

Preferably, the front end of the paint pipe is screwed and fixed with the rear end of the paint channel through a front-end paint joint, and the rear end of the paint pipe is provided with a rear-end paint joint.

Preferably, the front end of the air duct is screwed and fixed with the rear end of the air flow channel through a front end air pipe joint, and the rear end of the air duct is provided with a rear end air pipe joint.

Compared with the prior art, the beneficial effects of the utility model are that: the nozzle is reasonable in structural design and arrangement, and the surrounding air path is adopted in the circumferential direction, so that the atomizing effect of the sprayed paint is better, and the paint is uniformly sprayed; the spray nozzle is directly communicated with the paint channel, so that the problem of material clamping caused by the angular operation of the traditional real stone paint spray gun can be effectively solved, and the real stone paint spray gun can enter the spray nozzle in the most direct mode so as to achieve atomization; the valve rod can control the air flow channel and the paint vehicle channel to be closed or opened simultaneously, the operation and the use are convenient, the phenomenon that the traditional real stone paint spray gun depends on a gun needle is solved, the switch is tight, and the side leakage is not easy to occur. The utility model discloses structural design arranges rationally, adopts and encircles the gas circuit, can be better with paint vehicle spun atomization effect for the paint vehicle spraying is even, and operation convenient to use has solved the phenomenon that traditional real mineral varnish spray gun relied on the gun needle, and the switch is tight, is difficult for the side leakage.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional explosion structure of a spray gun special for a real mineral varnish spraying machine;

FIG. 2 is a schematic perspective view of an assembled spray gun for a real mineral varnish spraying machine;

FIG. 3 is a schematic cross-sectional view of a spray gun for a real stone paint sprayer;

fig. 4 is a schematic structural diagram of a nozzle in a spray gun special for a real stone paint sprayer.

In the figure: 1-nozzle, 11-nozzle barrel, 12-center spout, 13-nozzle collar boss, 14-spray hole, 2-compression end cover nut, 3-valve core assembly, 31-spray gun valve shell, 311-paint channel, 312-spray painting boss, 313-air flow channel, 314-branch air flow hole, 32-valve body handle, 33-valve rod, 34-paint ball valve, 35-air flow ball valve, 36-ball valve shell, 37-pressing ring, 4-paint pipe, 41-front end paint connector, 42-rear end paint connector, 5-air guide pipe, 51-front end air pipe connector and 52-rear end air pipe connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a spray gun special for a real stone paint spraying machine comprises a spray gun valve shell 31, a valve core assembly 3, a paint pipe 4, an air guide pipe 5, a nozzle 1 and a compression end cover nut 2, wherein a paint spraying boss 312 extends from the front end of the spray gun valve shell 31, a paint channel 311 which penetrates through the paint spraying boss 312 and the spray gun valve shell 31 from front to back is arranged in the spray gun valve shell 31, the paint channel 311 is connected with the paint pipe 4 at the rear end, an air flow channel 313 which penetrates through the rear end surface of the spray gun valve shell 31 is also arranged in the spray gun valve shell 31, the air guide pipe 5 is connected with the rear end of the air flow channel 313, a plurality of branch air flow holes 314 which are communicated with the air flow channel 313 are distributed on the front end surface of the paint spraying boss 312 along the circumferential direction, the compression end cover nut 2 is in threaded fit with the front end of the paint spraying boss 312, the nozzle 1 is, a nozzle convex ring platform 13 is arranged on the circumferential outer wall of the nozzle cylinder 11 in an extending manner, a plurality of spray holes 14 are distributed on the nozzle convex ring platform 13 along the circumferential direction, the rear ends of the spray holes 14 correspond to the branch airflow holes 314, and the front ends of the spray holes 14 are communicated with the central nozzle 12 of the nozzle cylinder 11;

the nozzle 1 is reasonable in structural design and arrangement, and the surrounding air path is adopted in the circumferential direction, so that the atomizing effect of the sprayed paint is better, and the paint is uniformly sprayed; the nozzle 1 is directly communicated with the paint channel 311, so that the problem of material blockage caused by the operation of a traditional real stone paint spray gun at an angle can be effectively solved, and the real stone paint spray gun can enter the nozzle 1 in the most direct mode so as to achieve atomization.

The valve core assembly 3 comprises a valve rod 33 which is rotatably arranged in the spray gun valve shell 31, an air flow ball valve 35 for blocking an air flow channel 313 is arranged at the bottom of the valve rod 33, a paint ball valve 34 for blocking the paint channel 311 is arranged in the middle of the valve rod 33, and the top end of the valve rod 33 penetrates through the spray gun valve shell 31 and is fixed with a valve body handle 32. The structure design is reasonable, the air flow channel 313 and the paint channel 311 can be controlled to be closed or opened simultaneously through one valve rod 33, and the operation and the use are convenient.

The rear end face of the nozzle 1 is also provided with a sealing cushion in a fitting manner, the front end of the paint channel 311 is also inserted with a pressing ring 37, and the rear end face of the sealing cushion is attached to the pressing ring 37. An end sealing ring is arranged between the front end face of the nozzle convex ring platform 13 and the compression end cover nut 2. By the arrangement, the paint flowing through passages are kept in a sealed state, and the paint can be effectively prevented from leaking.

A ball valve housing 36 is also provided in the paint passage 311, and the paint ball valve 34 is mounted inside the ball valve housing 36.

The front end of the paint pipe 4 is screwed and fixed with the rear end of the paint channel 311 through a front end paint joint 41, and a rear end paint joint 42 is installed at the rear end of the paint pipe 4. The front end of the air duct 5 is screwed and fixed with the rear end of the air flow channel 313 through a front end air pipe joint 51, and the rear end of the air duct 5 is provided with a rear end air pipe joint 52. Can make things convenient for the dismantlement equipment of lacquer material pipe 4 and air duct 5, be favorable to the later maintenance to use.

The utility model discloses a theory of operation is: paint pipe 4 conveys paint, air duct 5 conveys air current, when spraying is needed, valve body handle 32 is moved to make corresponding paint ball valve 34 and air flow ball valve 35 rotate, so that paint channel 311 and air flow channel 313 are opened simultaneously, paint flows along paint pipe 4 and paint channel 311 and finally enters central spout 12 of nozzle barrel 11, air current flows along air duct 5, air flow channel 313, branch air flow hole 314 and spray hole 14 to generate turbulence and finally enters central spout 12 of nozzle barrel 11 to be mixed with paint, and the turbulent flow formed around the air path can quickly scatter paint, so that paint is atomized and sprayed out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a special spray gun of real mineral varnish flush coater, includes spray gun valve casing (31), case subassembly (3), lacquer material pipe (4), air duct (5), nozzle (1) and gland nut (2), its characterized in that: the spray gun is characterized in that a spray painting boss (312) extends from the front end of the spray gun valve shell (31), a paint channel (311) which penetrates through the spray painting boss (312) and the spray gun valve shell (31) from front to back is arranged in the spray gun valve shell (31), a paint pipe (4) is connected with the rear end of the paint channel (311), an air flow channel (313) which penetrates through the rear end face of the spray gun valve shell (31) is further arranged in the spray gun valve shell (31), the rear end of the air flow channel (313) is connected with an air guide pipe (5), a plurality of branch air flow holes (314) which are communicated with the air flow channel (313) are distributed on the front end face of the spray painting boss (312) along the circumferential direction, a compression end cap nut (2) is in threaded fit with the front end of the spray painting boss (312) and presses the spray nozzle (1) to the front end of the spray painting boss (312), the spray nozzle (1) comprises a nozzle cylinder body (11) which is communicated with, a plurality of spray holes (14) are distributed on the nozzle convex ring platform (13) along the circumferential direction, the rear ends of the spray holes (14) correspond to the branch airflow holes (314), and the front ends of the spray holes (14) are communicated with a central nozzle (12) of the nozzle barrel body (11);

the valve core assembly (3) comprises a valve rod (33) rotatably arranged in a spray gun valve shell (31), an air flow ball valve (35) used for plugging an air flow channel (313) is arranged at the bottom of the valve rod (33), a paint ball valve (34) used for plugging a paint channel (311) is arranged in the middle of the valve rod (33), and the top end of the valve rod (33) penetrates out of the spray gun valve shell (31) and is fixedly provided with a valve body handle (32).

2. The special spray gun for the real stone paint sprayer according to claim 1, characterized in that: the rear end face of the nozzle (1) is also provided with a sealing cushion in a fitting manner, the front end of the paint channel (311) is also provided with a pressing ring (37) in an inserted manner, and the rear end face of the sealing cushion is fitted with the pressing ring (37).

3. The special spray gun for the real stone paint sprayer according to claim 1, characterized in that: an end sealing ring is arranged between the front end face of the nozzle convex ring table (13) and the compression end cover nut (2).

4. The special spray gun for the real stone paint sprayer according to claim 1, characterized in that: a ball valve shell (36) is further arranged in the paint channel (311), and the paint ball valve (34) is installed inside the ball valve shell (36).

5. The special spray gun for the real stone paint sprayer according to claim 1, characterized in that: the front end of the paint pipe (4) is screwed and fixed with the rear end of the paint channel (311) through a front end paint joint (41), and a rear end paint joint (42) is installed at the rear end of the paint pipe (4).

6. The special spray gun for the real stone paint sprayer according to claim 1, characterized in that: the front end of the air duct (5) is screwed and fixed with the rear end of the air flow channel (313) through a front end air pipe joint (51), and a rear end air pipe joint (52) is installed at the rear end of the air duct (5).