CN216173375U - Flow control gun for spraying - Google Patents
Flow control gun for spraying Download PDFInfo
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- CN216173375U CN216173375U CN202122322704.9U CN202122322704U CN216173375U CN 216173375 U CN216173375 U CN 216173375U CN 202122322704 U CN202122322704 U CN 202122322704U CN 216173375 U CN216173375 U CN 216173375U
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- shell
- hole
- thimble
- sealing element
- outer side
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Abstract
The utility model discloses a flow control gun for spraying, which relates to the technical field of spraying equipment and comprises a first sealing element, a second sealing element, a shell, an air cavity positioned in the shell and a translation mechanism, wherein a first communicating hole is arranged on the outer side of the first sealing element in a penetrating way, a limiting mounting hole is arranged on the outer side of the second sealing element in a penetrating way, a second communicating hole is arranged on the outer side of the shell in a penetrating way, a thimble is mounted on the limiting mounting hole, the needle head part of the thimble corresponds to the first communicating hole, the translation mechanism comprises a mounting frame, a stepping motor, a coupler and a screw rod sliding block assembly, the stepping motor is mounted on the shell through the mounting frame, a screw rod of the screw rod sliding block assembly is connected with a rotating shaft of the stepping motor through the coupler, a sliding block of the screw rod sliding block assembly is connected with the thimble, compared with manual trigger control, the distance between the needle head part of the thimble and the first connecting hole is controlled by controlling the stepping motor, so that the control precision is improved.
Description
Technical Field
The utility model relates to the technical field of spraying equipment, in particular to a flow control gun for spraying.
Background
When a spraying production line is used for spraying a workpiece, flow control is generally required to be performed on spraying liquid, or after the spraying liquid is pressurized into spraying gas, flow control is performed on the spraying gas, so that the spraying amount of the spraying liquid on the workpiece is guaranteed to reach the standard. At present, most of common manual trigger type control flow guns are held by a user to control flow, and the accuracy needs to be improved.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a flow control gun for spraying comprises a first sealing element, a second sealing element and a shell, wherein the inner walls of the first sealing element, the second sealing element and the shell are jointly arranged at intervals to form an air cavity in the shell; a first communicating hole communicated with the air cavity is arranged on the outer side of the first sealing element in a penetrating manner; a limiting mounting hole communicated with the air cavity is arranged on the outer side of the second sealing element in a penetrating manner; a second communication hole communicated with the air cavity is arranged on the outer side of the shell in a penetrating manner; the limiting mounting hole is provided with a thimble, and the head of the thimble corresponds to the first connecting hole; a translation mechanism matched with the thimble is arranged on the shell; the translation mechanism is used for driving the thimble to slide on the limit mounting hole along the length direction of the limit mounting hole; the thimble is provided with a first sliding state for plugging the first through hole and a second sliding state for conducting the first through hole on the limiting mounting hole; the translation mechanism comprises a mounting frame, a stepping motor, a coupler and a screw rod sliding block assembly; the stepping motor is installed on the shell through the installation frame, a screw rod of the screw rod sliding block assembly is connected with a rotating shaft of the stepping motor through a coupler, and a sliding block of the screw rod sliding block assembly is connected with the ejector pin.
As a further scheme of the utility model: the shell is arranged in a cylindrical shape, and the axial center line of the thimble is superposed with the axial center line of the shell; the needle head part of the thimble is opposite to the first communicating hole.
As a further scheme of the utility model: the number of the second communication holes is 2, and the 2 second communication holes are symmetrically arranged on the outer side of the shell by taking the axial center line of the shell as a datum line.
As a further scheme of the utility model: at least 3 second communication holes are arranged, and all the second communication holes are annularly arranged on the outer side of the shell at intervals.
As a further scheme of the utility model: one end of the shell, which is close to the first sealing element, is connected with a flange connecting piece, and a plurality of first connecting parts are arranged on the flange connecting piece at intervals in a ring shape; the first sealing element is provided with a plurality of second connecting parts at annular intervals, the second connecting parts correspond to the second connecting parts one by one, and the center point of a virtual ring formed by the second connecting parts is located on the center line of the first connecting hole.
As a further scheme of the utility model: the first connecting part comprises a connecting screw hole formed on the flange connecting piece, and a connecting bolt is arranged on the connecting screw hole; the second connecting part comprises a fixing hole penetrating through the first sealing element, and the fixing hole is matched with the connecting bolt in shape.
Compared with the prior art, the utility model has the following beneficial effects: when the flow of the gas passing through the gas cavity needs to be controlled, a controller for controlling the stepping motor is externally connected to the stepping motor, the thimble can be switched between a first sliding state and a second sliding state by controlling the stepping motor to work, and the thimble is controlled by the stepping motor to plug the first connecting hole or be far away from the first connecting hole so as to control the flow of the gas flow; compare with manual trigger control, through control step motor and then the distance of the syringe tip portion of control thimble and first through-hole, more be favorable to promoting the control precision.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
the reference numerals and names in the figures are as follows:
the device comprises a first sealing element-1, a second sealing element-2, a shell-3, an air cavity-4, a first communicating hole-5, a limiting installation hole-6, a second communicating hole-7, an ejector pin-8, an installation frame-9, a stepping motor-10, a coupler-11, a screw rod sliding block assembly-12, a flange connecting piece-13, a connecting screw hole-14, a connecting bolt-15 and a fixing hole-16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a flow control gun for spraying includes a first sealing member 1, a second sealing member 2, and a housing 3, wherein the first sealing member 1, the second sealing member 2, and an inner wall of the housing 3 are jointly spaced to form an air cavity 4 located in the housing 3. A first communication hole 5 communicated with the air cavity 4 is arranged on the outer side of the first sealing element 1 in a penetrating manner; a limiting mounting hole 6 communicated with the air cavity 4 penetrates through the outer side of the second sealing element 2; a second communication hole 7 communicated with the air cavity 4 is arranged on the outer side of the shell 3; the limiting mounting hole 6 is provided with a thimble 8, and the head of the thimble 8 corresponds to the first communication hole 5; a translation mechanism matched with the thimble 8 is arranged on the shell 3; the translation mechanism is used for driving the thimble 8 to slide on the limit mounting hole 6 along the length direction of the limit mounting hole 6; the thimble 8 has a first sliding state for blocking the first communication hole 5 and a second sliding state for conducting the first communication hole 5 on the limit mounting hole 6.
The translation mechanism comprises an installation frame 9, a stepping motor 10, a coupler 11 and a screw rod sliding block assembly 12; the stepping motor 10 is installed on the shell 3 through the installation frame 9, a screw rod of the screw rod sliding block assembly 12 is connected with a rotating shaft of the stepping motor 10 through a coupler 11, and a sliding block of the screw rod sliding block assembly 12 is connected with the thimble 8.
When it is desired to control the flow of gas or liquid through the gas chamber 4: a controller for controlling the stepping motor 10 is externally connected to the stepping motor 10, and the thimble 8 can be switched between a first sliding state and a second sliding state by controlling the stepping motor 10 to work; the thimble 8 is controlled by the stepping motor 10 to block the first communicating hole 5 or to be far away from the first communicating hole 5, so as to control the flow.
Compared with manual trigger control, the distance between the needle head part of the thimble 8 and the first connecting hole 5 is further controlled by controlling the stepping motor 10, and the control precision is improved.
In the embodiment of the utility model, the shell 3 is arranged in a cylindrical shape, and the axial center line of the thimble 8 is superposed with the axial center line of the shell 3; the needle head of the thimble 8 is opposite to the first connecting hole 5.
Further, 2 second communication holes 7 are provided, and the 2 second communication holes 7 are symmetrically provided outside the housing 3 with the axial center line of the housing 3 as a reference line.
The gas enters the gas cavity 4 from the first communicating hole 5, and the gas impacts the needle head part of the thimble 8 after entering the gas cavity 4, is uniformly distributed on the outer side of the thimble 8, and continues to flow along the length direction of the thimble 8 until the gas flows to the position of the second communicating hole 7 and is discharged from the position of the second communicating hole 7. When the air impacts on the needle head part of the thimble 8, the needle head part of the thimble 8 is over against the first communicating hole 5, and the wind power received by the needle head part of the thimble 8 is more uniform; when the gas is discharged from the second communication hole 7, the suction force of the negative pressure acting on the outside of the thimble 8 is cancelled. In the process that gas enters the air cavity 4 from the first communicating hole 5 and is discharged from the second communicating hole 7, the thimble 8 is not easy to bend under the influence of the acting force generated by gas flow, and besides the control precision, in the actual production: on the premise of ensuring that the thimble 8 cannot be bent and deformed, the thimble 8 can relatively select a material with lower rigidity so as to reduce the unit price of the product and be more beneficial to the popularization of the product.
In other embodiments, at least 3 second communication holes 7 are provided, and all the second communication holes 7 are annularly spaced outside the housing 3, and are designed to ensure that the adsorption force of the negative pressure acting on the outside of the thimble 8 is cancelled when the gas is discharged from the second communication holes 7.
In the embodiment of the utility model, one end of the shell 3, which is close to the first sealing element 1, is connected with a flange connecting piece 13, and a plurality of first connecting parts are annularly arranged on the flange connecting piece 13 at intervals; a plurality of second connecting parts are arranged on the first sealing element 1 at annular intervals and correspond to the second connecting parts one to one, and the center point of a virtual ring formed by the second connecting parts is located on the center line of the first connecting hole 5.
Preferably, the first connecting portion includes a connecting screw hole 14 formed on the flange connecting member 13, a connecting bolt 15 is disposed on the connecting screw hole 14, and the second connecting portion includes a fixing hole 16 penetrating the first sealing member 1, and the fixing hole 16 is adapted to the shape of the connecting bolt 15.
The first sealing element 1 is convenient to disassemble and assemble, and is convenient for cleaning the inside of the air cavity 4 and the first communication hole 5.
When the flexibility of the pipe externally connected to the first communication hole 5 is low and the direction needs to be adjusted, the direction of the externally connected pipe can be adjusted by detaching the connecting bolt 15 and rotating the first sealing element 1. After the adjustment is completed, the connecting bolt 15 can be matched with the fixing hole 16 nearby to complete the fixing of the first sealing element 1 and the shell 3, and the applicability is better.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (6)
1. The utility model provides a flow control rifle for spraying which characterized in that: the sealing device comprises a first sealing element, a second sealing element and a shell, wherein the first sealing element, the second sealing element and the inner wall of the shell are jointly arranged at intervals to form an air cavity positioned in the shell;
a first communicating hole communicated with the air cavity is arranged on the outer side of the first sealing element in a penetrating manner;
a limiting mounting hole communicated with the air cavity is arranged on the outer side of the second sealing element in a penetrating manner;
a second communication hole communicated with the air cavity is arranged on the outer side of the shell in a penetrating manner;
the limiting mounting hole is provided with a thimble, and the head of the thimble corresponds to the first connecting hole; a translation mechanism matched with the thimble is arranged on the shell; the translation mechanism is used for driving the thimble to slide on the limit mounting hole along the length direction of the limit mounting hole; the thimble is provided with a first sliding state for plugging the first through hole and a second sliding state for conducting the first through hole on the limiting mounting hole;
the translation mechanism comprises a mounting frame, a stepping motor, a coupler and a screw rod sliding block assembly;
the stepping motor is installed on the shell through the installation frame, a screw rod of the screw rod sliding block assembly is connected with a rotating shaft of the stepping motor through a coupler, and a sliding block of the screw rod sliding block assembly is connected with the ejector pin.
2. The flow control gun for spraying according to claim 1, wherein: the shell is arranged in a cylindrical shape, and the axial center line of the thimble is superposed with the axial center line of the shell;
the needle head part of the thimble is opposite to the first communicating hole.
3. A flow control gun for spraying according to claim 2, wherein: the number of the second communication holes is 2, and the 2 second communication holes are symmetrically arranged on the outer side of the shell by taking the axial center line of the shell as a datum line.
4. A flow control gun for spraying according to claim 2, wherein: at least 3 second communication holes are arranged, and all the second communication holes are annularly arranged on the outer side of the shell at intervals.
5. A flow control gun for spraying according to any one of claims 1 to 4, characterized in that: one end of the shell, which is close to the first sealing element, is connected with a flange connecting piece, and a plurality of first connecting parts are arranged on the flange connecting piece at intervals in a ring shape;
the first sealing element is provided with a plurality of second connecting parts at annular intervals, the second connecting parts correspond to the second connecting parts one by one, and the center point of a virtual ring formed by the second connecting parts is located on the center line of the first connecting hole.
6. The flow control gun for spraying according to claim 5, wherein:
the first connecting part comprises a connecting screw hole formed on the flange connecting piece, and a connecting bolt is arranged on the connecting screw hole;
the second connecting part comprises a fixing hole penetrating through the first sealing element, and the fixing hole is matched with the connecting bolt in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122322704.9U CN216173375U (en) | 2021-09-25 | 2021-09-25 | Flow control gun for spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122322704.9U CN216173375U (en) | 2021-09-25 | 2021-09-25 | Flow control gun for spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216173375U true CN216173375U (en) | 2022-04-05 |
Family
ID=80924113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122322704.9U Active CN216173375U (en) | 2021-09-25 | 2021-09-25 | Flow control gun for spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216173375U (en) |
-
2021
- 2021-09-25 CN CN202122322704.9U patent/CN216173375U/en active Active
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| GR01 | Patent grant |