CN215612447U - Atomizing spray gun capable of adjusting atomizing spray shape - Google Patents
Atomizing spray gun capable of adjusting atomizing spray shape Download PDFInfo
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- CN215612447U CN215612447U CN202121528600.7U CN202121528600U CN215612447U CN 215612447 U CN215612447 U CN 215612447U CN 202121528600 U CN202121528600 U CN 202121528600U CN 215612447 U CN215612447 U CN 215612447U
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Abstract
The utility model discloses an atomizing spray gun capable of adjusting atomizing spray shape, which comprises a gun body, wherein a nozzle is arranged at the front end of the gun body, a nozzle cap is arranged at the front end of the nozzle, a through hole is formed in the nozzle cap, a convex column is arranged at the front end of the nozzle, first air nozzles are formed between the through hole and the convex column at intervals, a spray opening is formed in the convex column, second air nozzles are further arranged at positions, corresponding to two sides of the convex column, of the nozzle cap, first, second and third air source interfaces and auxiliary material interfaces are respectively arranged on the peripheral side wall of the gun body, a first air passage is formed between the gun body and the nozzle in a connecting mode, a first air chamber is formed between the nozzle and the nozzle cap, and the first air chamber is communicated with the first air nozzles; a second air channel is formed between the gun body and the nozzle in a connected mode, a second air chamber is formed between the nozzle cap and the nozzle in a connected mode, and the second air nozzle is communicated with the second air chamber. The atomization spray gun can adjust the atomization spray shape of the auxiliary material.
Description
Technical Field
The utility model relates to an atomizing spray gun capable of adjusting the shape of atomizing spray.
Background
An atomizing spray gun is an important component of a coating machine and is used for atomizing and spraying auxiliary materials so as to attach the auxiliary materials to the surfaces of tablets, pills and the like and form a film layer. The traditional atomizing spray gun generally comprises a gun body, a nozzle is arranged at the front end of the gun body, a nozzle cap is arranged at the front end of the nozzle, a through hole is formed in the nozzle cap, a protruding column which is penetrated through by the nozzle in a matched mode is arranged at the front end of the nozzle, a first air jet port for air flow to jet towards the front is formed between the through hole and the protruding column, a jet port for spraying auxiliary materials is formed in the protruding column, and second air jet ports which are obliquely gathered towards the front position of the protruding column and jet towards the two sides of the protruding column are further arranged on the nozzle cap corresponding to the protruding column. Through the driving action of the first air jet and the second air jet on the auxiliary material, the auxiliary material can generate an umbrella-shaped atomization spraying effect in front of the spraying opening, so that the coating process is more uniform. In the atomizing spray gun in the prior art, the first air nozzle and the second air nozzle are usually supplied by the same air source, so that the shape of the generated atomizing spray is fixed and unchanged, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an atomizing spray gun capable of adjusting the shape of atomizing spray.
In order to achieve the purpose, the utility model provides an atomizing spray gun capable of adjusting the atomizing spray shape, which comprises a gun body, wherein a nozzle is arranged at the front end of the gun body, a nozzle cap is arranged at the front end of the nozzle, a through hole is formed in the nozzle cap, a convex column which is matched with the through hole and penetrates through the nozzle is arranged at the front end of the nozzle, first air nozzles for spraying air flow towards the front are formed between the through hole and the convex column at intervals, a spray opening for spraying auxiliary materials is formed in the convex column, second air nozzles which are obliquely converged and sprayed towards the front of the convex column are also arranged at the positions, corresponding to the two sides of the convex column, of the nozzle cap, a first air source interface, a second air source interface, a third air source interface and an auxiliary material interface are respectively arranged on the peripheral side wall of the gun body, a first air passage communicated with the first air source interface is formed between the gun body and the nozzle, and a first air chamber communicated with the first air passage is formed between the nozzle cap, the first air chamber is communicated with the first air injection port; and a second air passage communicated with a second air source interface is formed between the gun body and the nozzle, a second air chamber communicated with the second air passage is formed between the nozzle cap and the nozzle, and the second air nozzles are communicated with the second air chamber.
Furthermore, an auxiliary material channel communicated with the jet orifice is formed between the nozzle and the gun body in a connected mode, and the auxiliary material channel is communicated with the auxiliary material interface.
Furthermore, an ejector pin matched with the jet orifice to open and close is movably arranged in the auxiliary material channel, an ejector pin seat is arranged at the rear end of the ejector pin, a spring is abutted against the rear end of the ejector pin seat, the ejector pin seat and the gun body are movably sleeved and connected to form a third air chamber, and the gun body comprises a third air passage communicated with the third air source interface and the third air chamber.
Furthermore, the front end of the nozzle cap is provided with a flat end face, and the first air injection port and the second air injection port are both arranged on the end face and are positioned on the same horizontal plane.
Furthermore, the first air source interface and the second air source interface are relatively arranged at the same axial position of the gun body, the auxiliary material interface and the third air source interface are also relatively arranged at the same axial position of the gun body, but the first air source interface/the second air source interface and the auxiliary material interface/the third air source interface are positioned at different axial positions of the gun body.
The utility model has the beneficial effects that: according to the utility model, the first air jet and the second air jet respectively supply air through different air sources, and the atomization spray shape of the auxiliary material can be adjusted by adjusting the air flow at the first air jet and the air flow at the second air jet, so that the spray shape is widened or narrowed, and the applicability is stronger.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention 1;
fig. 4 is a cross-sectional view 2 of an embodiment of the present invention.
Detailed Description
Embodiments of the adjustable spray pattern atomizing spray gun of the present invention are illustrated in FIGS. 1-4: the auxiliary material spraying gun comprises a gun body 1, a nozzle 2 is arranged at the front end of the gun body 1, in the embodiment, the nozzle 2 is formed by connecting a first part 21 and a second part 22, a nozzle cap 3 is arranged at the front end of the nozzle 2, a through hole 31 is arranged on the nozzle cap 3, a convex column 20 which is matched with the through hole 31 and penetrates through the front end of the nozzle 2 is arranged at the front end of the nozzle 2, a first air nozzle for spraying air flow towards the front is formed between the through hole 31 and the convex column 20 at intervals, an injection port 201 for spraying auxiliary materials is arranged on the convex column 20, a second air nozzle 32 which is inclined and gathered towards the front of the convex column 20 is also arranged at the position of two sides of the nozzle cap 3 corresponding to the convex column 20, a first air source interface, a second air source interface, a third air source interface (respectively marked as 11, 12 and 13) and an auxiliary material interface 14 are respectively arranged on the peripheral side wall of the gun body 1, a first air passage 41 communicated with the first air source interface 11 is formed between the gun body 1 and the nozzle 2 in a connecting way, a first air chamber 51 communicated with the first air channel 41 is formed between the nozzle 2 and the nozzle cap 3, the first air chamber 51 is communicated with a first air jet, and the first air chamber 51 plays a role in buffering air flow from the first air channel 41, so that the air flow jetted from the first air jet is more uniform; a second air passage 42 communicated with the second air source interface 12 is formed between the gun body 1 and the nozzle 2, a second air chamber 52 communicated with the second air passage 42 is formed between the nozzle cap 3 and the nozzle 2, the second air nozzles 32 are communicated with the second air chamber 52, and the second air chamber 52 plays a role in buffering air flow from the second air passage 42, so that the intensity of the air flow sprayed from each second air nozzle can be kept uniform.
The air current of first air jet can promote the auxiliary material and spray towards the place ahead and scatter, forms the umbelliform atomizing and sprays the shape, and the air current of second air jet 32 department can change the width of the umbelliform atomizing and spray the shape, makes it become flatter, through connecting first air supply interface 11 and second air supply interface 12 respectively on the air supply of difference, can control the auxiliary material atomizing and spray the shape through the regulation to air supply pressure and flow.
An auxiliary material channel 43 communicated with the jet orifice is formed between the nozzle 2 and the gun body 1 in a connected mode, the auxiliary material channel 43 is communicated with the auxiliary material interface 14, the auxiliary material interface 14 is used for being communicated with an auxiliary material pressure output source, and the auxiliary material channel 43 is used for conveying liquid auxiliary materials.
The auxiliary material channel 43 is movably provided with a thimble 6 which is matched with the jet orifice to open and close, the rear end of the thimble 6 is provided with a thimble seat 61, the rear end of the thimble seat 61 is propped against a spring 62,
the thimble seat 61 and the gun body 1 are movably sleeved to form a third air chamber 53, and the gun body 1 comprises a third air passage 44 communicating the third air source interface 13 and the third air chamber 53. When the normal state, that is, the third air source interface 13 is not ventilated, the ejector pin 6 moves forward under the action of the spring 62 and is matched with the injection port 201 to be closed, so that the auxiliary material cannot be sprayed out from the injection port, when the injection port 201 needs to be opened, the third air source interface 13 only needs to be ventilated, so that the pressure of the third air chamber 53 is increased, and then the ejector pin seat 61 and the ejector pin 6 can be driven to move backward, so that the injection port 201 is opened.
The both sides position that its nozzle cap 3 of atomizing spray gun among the prior art's front end corresponds projection 20 is provided with the lug that is used for bearing second air jet 32 usually, but the setting of lug forms the negative pressure easily between lug and nozzle cap 3 front end terminal surface, causes dust, auxiliary material etc. to pile up easily and solidify, uses for a long time and causes the jam to second air jet 32 or even first air jet easily, influences the atomizing and sprays the effect, in order to solve aforementioned problem, the front end of nozzle cap 3 has a smooth terminal surface, first air jet, second air jet 32 all set up on the terminal surface and be in on the same horizontal plane.
First air supply interface 11 and second air supply interface 12 set up in the same axial position of the rifle body 1 relatively, auxiliary material interface 14 and third air supply interface 13 set up in the same axial position of the rifle body 1 relatively equally, but first air supply interface 11/second air supply interface 12 and auxiliary material interface 14/third air supply interface 13 are in the different axial positions of the rifle body 1, and the design can reduce the whole volume of the rifle body 1 as far as possible under the prerequisite that does not influence the realization of atomizing spray shape regulatory function like this, and can guarantee that it has higher intensity moreover.
The above embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an atomizing spray gun of adjustable atomizing spray shape, including the rifle body, rifle body front end is provided with the nozzle, the front end of nozzle is provided with the nozzle cap, be provided with the through-hole on the nozzle cap, the nozzle front end is provided with the projection of wearing to establish with the through-hole cooperation, the interval is formed with the air feed stream and sprays and the first air jet that goes out towards the place ahead between through-hole and the projection, be provided with on the projection and supply auxiliary material spun jet, the both sides position that the nozzle cap corresponds the projection still is provided with the second air jet that gathers together the injection towards projection place ahead position slope, its characterized in that: the gun comprises a gun body, a nozzle cap, a nozzle, a first air chamber, a second air chamber, a third air source interface, an auxiliary material interface, a first air passage, a second air chamber, a third air source interface and an auxiliary material interface, wherein the first air passage communicated with the first air source interface is formed between the gun body and the nozzle; and a second air passage communicated with a second air source interface is formed between the gun body and the nozzle, a second air chamber communicated with the second air passage is formed between the nozzle cap and the nozzle, and the second air nozzles are communicated with the second air chamber.
2. An adjustable atomizing spray configuration atomizing spray gun as set forth in claim 1 wherein: an auxiliary material channel communicated with the jet orifice is formed between the nozzle and the gun body in a connected mode, and the auxiliary material channel is communicated with the auxiliary material interface.
3. An adjustable atomizing spray configuration atomizing spray gun as set forth in claim 2 wherein: the auxiliary material channel is movably provided with a thimble matched with the jet orifice to be opened and closed, the rear end of the thimble is provided with a thimble seat, the rear end of the thimble seat is abutted with a spring, the thimble seat and the gun body are movably sleeved and connected to form a third air chamber, and the gun body comprises a third air passage communicated with a third air source interface and the third air chamber.
4. An adjustable atomizing spray configuration atomizing spray gun as set forth in claim 1 wherein: the front end of the nozzle cap is provided with a flat end face, and the first air jet port and the second air jet port are arranged on the end face and are positioned on the same horizontal plane.
5. An adjustable atomizing spray configuration atomizing spray gun as set forth in claim 3 wherein: the first air source interface/the second air source interface and the auxiliary material interface/the third air source interface are arranged at different axial positions of the gun body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528600.7U CN215612447U (en) | 2021-07-06 | 2021-07-06 | Atomizing spray gun capable of adjusting atomizing spray shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121528600.7U CN215612447U (en) | 2021-07-06 | 2021-07-06 | Atomizing spray gun capable of adjusting atomizing spray shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215612447U true CN215612447U (en) | 2022-01-25 |
Family
ID=79948192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121528600.7U Active CN215612447U (en) | 2021-07-06 | 2021-07-06 | Atomizing spray gun capable of adjusting atomizing spray shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215612447U (en) |
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2021
- 2021-07-06 CN CN202121528600.7U patent/CN215612447U/en active Active
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