CN112024151B - Spray gun for spraying production line - Google Patents
Spray gun for spraying production line Download PDFInfo
- Publication number
- CN112024151B CN112024151B CN202010920837.3A CN202010920837A CN112024151B CN 112024151 B CN112024151 B CN 112024151B CN 202010920837 A CN202010920837 A CN 202010920837A CN 112024151 B CN112024151 B CN 112024151B
- Authority
- CN
- China
- Prior art keywords
- conical
- diversion
- heating device
- nozzle
- inner layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0441—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air
Abstract
The invention discloses a spray gun for a spraying production line, which comprises a spray nozzle, wherein the spray nozzle comprises a spray nozzle body (1), a diversion heating device (2), a first diversion support wing (3), a spray nozzle outlet part (4), a connecting sleeve (5), a lead (6) and a mixing cavity (7), the spray nozzle body comprises a body outer layer (11) and a body inner layer (12), and the spray gun is characterized in that: the inner layer of the body is internally provided with a diversion heating device, a mixing cavity is formed between the diversion heating device and the inner layer of the body, the diversion heating device is arranged close to the outlet part of the nozzle, the diversion heating device is connected to the inner periphery of the inner layer of the body through a plurality of first diversion supporting wings, and a conducting wire is connected with the diversion heating device. The distance between the diversion heating device and the nozzle outlet part can be shortened, so that the temperature loss is reduced, the structure is simple, and the cost is saved; the atomization effect of the liquid/paint liquid can be improved.
Description
Technical Field
The invention relates to the technical field of spraying devices and spraying processes, in particular to a spray gun for a spraying production line.
Background
In a paint spraying process, in order to ensure good paint spraying quality, a heating device is generally arranged on a paint conveying pipeline or at the tail part of a spray gun (the part of the spray gun far away from a nozzle) to heat liquid, so that good liquidity of the liquid can be maintained, and the heated liquid can save drying time during drying, thereby improving the paint spraying quality. However, the existing heating device is far away from the nozzle, and the liquid temperature at the outlet of the nozzle usually needs a more complex temperature control means, so that the existing spray gun has the problems of complex structure and high cost.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a spray gun for a spraying production line, which can shorten the distance between a diversion heating device and a nozzle outlet part so as to reduce the temperature loss, does not need a complex temperature control means, can effectively control the liquid temperature at the nozzle outlet part through a simple diversion heating device, has a simple structure and saves the cost. The atomization effect of the liquid/paint liquid can be improved through the arrangement of the axial size and the taper angle of each section of the outlet part of the nozzle, and the atomization degree and uniformity are effectively improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a spray gun for spraying production line, its includes the nozzle, the nozzle includes nozzle body (1), water conservancy diversion heating device (2), first water conservancy diversion support wing (3), nozzle outlet portion (4), adapter sleeve (5), wire (6), hybrid chamber (7), the tip of nozzle body has nozzle outlet portion, the nozzle body includes body skin (11), body inlayer (12), form gas passage between body skin and the body inlayer, this internal in situ forms liquid passage, the outer periphery of body is connected with the adapter sleeve, its characterized in that: the inner layer of the body is internally provided with a diversion heating device, a mixing cavity is formed between the diversion heating device and the inner layer of the body, the diversion heating device is arranged close to an outlet part of the nozzle, the diversion heating device is connected to the inner periphery of the inner layer of the body through a plurality of first diversion supporting wings, a plurality of air inlets are arranged on the inner layer of the body along the circumferential direction and communicated with the mixing cavity, one or a plurality of second diversion supporting wings (14) are connected between the outer layer of the body and the inner layer of the body, a wire is connected with the diversion heating device, the wire sequentially penetrates through the first diversion supporting wings, the inner layer of the body and the second diversion supporting wings, and the wire is connected with a switch control element on the spray gun.
Further, water conservancy diversion heating device includes heating element (21), arc drainage portion (22), toper water conservancy diversion portion (23), toper acceleration portion (25), is equipped with heating element in the toper acceleration portion, and toper acceleration portion is connected with first water conservancy diversion support wing, and the upper reaches one end of toper acceleration portion is connected with arc drainage portion, and the low reaches one end of toper acceleration portion is connected with toper water conservancy diversion portion.
Further, the arc-shaped flow guiding part, the conical flow guiding part and the conical accelerating part are made of heat conducting materials; a liquid channel is formed between the peripheral surface of the conical accelerating part and the inner layer of the body, the peripheral surface of the conical accelerating part is in a conical structure, and the cone angle of the conical structure is 10-20 degrees; a liquid channel is formed between the outer peripheral surface of the conical flow guide part and the inner layer of the body, the outer peripheral surface of the conical flow guide part is of a conical structure, the cone angle of the conical structure is 38-48 degrees, and the conical structure guides accelerated liquid to the mixing cavity.
Furthermore, a plurality of flow deflectors (24) are arranged on the outer peripheral surface of the conical flow guide part along the circumferential direction, and the flow deflectors are made of heat conduction materials.
Further, the nozzle outlet portion comprises a conical constriction (41), a straight section (42), a conical diverging section (43), arranged in sequence, the conical constriction being arranged adjacent to the mixing chamber, the conical constriction having a cone angle b =75-85 °, and the conical diverging section having a cone angle a =5-13 °.
Further, the tapered convergent section has an axial length of L1, the straight section has an axial length of L2, the tapered divergent section has an axial dimension of L3, L1: l2: l3= (0.9-1.1): (0.9-1.1): (0.9-1.1).
Further, the conical guide part and the conical contraction section have axial lengths of L0, L0: l1= 1.0-1.2.
Furthermore, the wire passes through the first flow guide support wing, the body inner layer and the second flow guide support wing in sequence, or the wire is arranged inside the first flow guide support wing, the body inner layer and the second flow guide support wing, and the wire is connected with a switch control element on the spray gun.
The spray gun for the spraying production line can shorten the distance between the diversion heating device and the outlet part of the nozzle, thereby reducing the temperature loss, effectively controlling the liquid temperature at the outlet part of the nozzle by the simple diversion heating device without a complex temperature control means, and having simple structure and cost saving. The atomization effect of the liquid/paint liquid can be improved through the arrangement of the axial size and the taper angle of each section of the outlet part of the nozzle, and the atomization degree and uniformity are effectively improved.
Drawings
FIG. 1 is a schematic flow diagram of a prior art spray coating process;
FIG. 2 is a schematic view of the nozzle structure of the spray gun of the present invention;
FIG. 3 is a schematic view of the nozzle structure of the spray gun of the present invention.
In the figure: the nozzle comprises a nozzle body 1, a flow guide heating device 2, a first flow guide supporting wing 3, a nozzle outlet part 4, a connecting sleeve 5, a lead 6 and a mixing cavity 7; the body comprises a body outer layer 11, a body inner layer 12, an air inlet 13, a second flow guide supporting wing 14, a heating assembly 21, an arc-shaped flow guide part 22, a conical flow guide part 23, a flow guide sheet 24, a conical accelerating part 25, a conical contraction section 41, a straight line section 42 and a conical diffusion section 43.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2-3, a spray gun for a spraying production line comprises a nozzle, the nozzle comprises a nozzle body 1, a flow guiding heating device 2, a first flow guiding support wing 3, a nozzle outlet 4, a connecting sleeve 5, a wire 6 and a mixing chamber 7, the nozzle outlet 4 is arranged at the end part of the nozzle body 1, the nozzle body 1 comprises a body outer layer 11 and a body inner layer 12, a gas channel is formed between the body outer layer 11 and the body inner layer 12, a liquid channel is formed in the body inner layer 12, and the connecting sleeve 5 is connected to the periphery of the body outer layer 11; the inner layer 12 of the body is internally provided with a diversion heating device 2, a mixing cavity 7 is formed between the diversion heating device 2 and the inner layer 12 of the body, the diversion heating device 2 is arranged close to the outlet part 4 of the nozzle, the diversion heating device 2 is connected to the inner periphery of the inner layer 12 of the body through a plurality of first diversion support wings 3, a plurality of air inlets 13 are arranged on the inner layer 12 of the body along the circumferential direction, the plurality of air inlets 13 are communicated with/face the mixing cavity 7, one or a plurality of second diversion support wings 14 are connected between the outer layer 11 of the body and the inner layer 12 of the body, a lead 6 is connected with the diversion heating device 2, the lead 6 sequentially passes through the first diversion support wings 3, the inner layer 12 of the body and the second diversion support wings 14 or is arranged inside the first diversion support wings 3, the inner layer 12 and the second diversion support wings 14, and the lead 6 is connected with a switch control element on the spray gun.
The diversion heating device 2 comprises a heating assembly 21, an arc-shaped drainage part 22, a conical diversion part 23 and a conical acceleration part 25, wherein the heating assembly 21 is arranged in the conical acceleration part 25, the conical acceleration part 25 is connected with the first diversion support wing 3, one end of the upper part of the conical acceleration part 25 is connected with the arc-shaped drainage part 22, and one end of the lower part of the conical acceleration part 25 is connected with the conical diversion part 23. The invention can shorten the distance between the diversion heating device 2 and the nozzle outlet part 4 by arranging the diversion heating device 2 close to the nozzle outlet part 4, thereby reducing the temperature loss, needing no complex temperature control means, effectively controlling the liquid temperature of the nozzle outlet part 4 by a simple diversion heating device, having simple structure and saving cost.
Further, the diversion heating device 2, the arc-shaped diversion part 22, the conical diversion part 23 and the conical acceleration part 25 are made of heat conduction materials, and can heat and control the temperature of liquid. A liquid channel is formed between the outer peripheral surface of the conical accelerating part 25 and the inner layer 12 of the body, the outer peripheral surface of the conical accelerating part 25 is of a conical structure, the cone angle of the conical structure is 12-18 degrees, and the conical structure can increase the flow velocity of liquid; a liquid channel is formed between the outer peripheral surface of the conical flow guide part 23 and the inner layer 12 of the body, the outer peripheral surface of the conical flow guide part 23 is of a conical structure, the cone angle of the conical structure is 40-46 degrees, and the conical structure guides accelerated liquid to the mixing cavity 7. The outer peripheral surface of toper water conservancy diversion portion 23 is provided with a plurality of water conservancy diversion pieces 24 along circumference, and water conservancy diversion piece 24 is made by the heat conduction material, and water conservancy diversion piece 24 can improve gas-liquid mixing degree when the water conservancy diversion to increase heat transfer/heating area, improve heating performance.
Further, the nozzle outlet portion 4 comprises a conical convergent section 41, a straight section 42, a conical divergent section 43, the conical convergent section 41, the straight section 42, the conical divergent section 43 being arranged in sequence, the conical convergent section 41 being arranged adjacent to the mixing chamber 7, the conical convergent section 41 having a cone angle b =77-83 °, the conical divergent section 43 having a cone angle a =7-11 °; the conical convergent section 41 has an axial length L1, the straight section 42 has an axial length L2, the conical divergent section 43 has an axial dimension L3, L1: l2: l3= (0.9-1.1): (0.9-1.1): (0.9-1.1). The invention can improve the atomization effect of the liquid/paint liquid through the arrangement of the axial size and the taper angle of each section of the nozzle outlet part 4, and effectively improves the atomization degree and the uniformity.
Further, the flow-guide heating device 2 is disposed adjacent to the nozzle outlet 4, and the conical flow-guide portion 23 and the conical contraction section 41 have axial lengths L0, L0: l1=1.0-1.2, which can further improve the atomization effect of the liquid/paint liquid.
The spray gun for the spraying production line can shorten the distance between the diversion heating device and the outlet part of the nozzle, thereby reducing the temperature loss, effectively controlling the liquid temperature at the outlet part of the nozzle by the simple diversion heating device without a complex temperature control means, and having simple structure and cost saving. The atomization effect of the liquid/paint liquid can be improved through the arrangement of the axial size and the taper angle of each section of the outlet part of the nozzle, and the atomization degree and uniformity are effectively improved.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides a spray gun for spraying production line, its includes the nozzle, the nozzle includes nozzle body (1), water conservancy diversion heating device (2), first water conservancy diversion support wing (3), nozzle outlet portion (4), adapter sleeve (5), wire (6), hybrid chamber (7), the tip of nozzle body has nozzle outlet portion, the nozzle body includes body skin (11), body inlayer (12), form gas passage between body skin and the body inlayer, this internal in situ forms liquid passage, the outer periphery of body is connected with the adapter sleeve, its characterized in that: a diversion heating device is arranged in the inner layer of the body, a mixing cavity is formed between the diversion heating device and the inner layer of the body, the diversion heating device is arranged close to the outlet part of the nozzle, the diversion heating device is connected to the inner periphery of the inner layer of the body through a plurality of first diversion supporting wings, a plurality of air inlets are circumferentially arranged on the inner layer of the body and communicated with the mixing cavity, one or a plurality of second diversion supporting wings (14) are connected between the outer layer of the body and the inner layer of the body, and a lead is connected with the diversion heating device; the water conservancy diversion heating device includes heating element (21), arc drainage portion (22), toper water conservancy diversion portion (23), toper acceleration portion (25), is equipped with heating element in the toper acceleration portion, and toper acceleration portion is connected with first water conservancy diversion support wing, and the upper reaches one end of toper acceleration portion is connected with arc drainage portion, and the low reaches one end of toper acceleration portion is connected with toper water conservancy diversion portion.
2. The spray gun for a painting production line according to claim 1, wherein the arc-shaped flow guide portion, the tapered flow guide portion, and the tapered acceleration portion are made of a heat conductive material; a liquid channel is formed between the peripheral surface of the conical accelerating part and the inner layer of the body, the peripheral surface of the conical accelerating part is in a conical structure, and the cone angle of the conical structure is 10-20 degrees; a liquid channel is formed between the outer peripheral surface of the conical flow guide part and the inner layer of the body, the outer peripheral surface of the conical flow guide part is of a conical structure, the cone angle of the conical structure is 38-48 degrees, and the conical structure guides accelerated liquid to the mixing cavity.
3. A spray gun for a painting production line according to claim 2, wherein the outer peripheral surface of the tapered guide portion is provided with a plurality of guide vanes (24) in a circumferential direction, the guide vanes being made of a heat conductive material.
4. A spray gun for a painting line according to claim 3, characterized in that said nozzle outlet portion comprises a conical narrowing (41), a straight section (42), a conical diverging section (43), arranged in succession, the conical narrowing being arranged adjacent to the mixing chamber, the conical narrowing having a cone angle b =75-85 ° and the conical diverging section having a cone angle a =5-13 °.
5. A spray gun for a painting line according to claim 4, characterized in that said conical narrowing has an axial length L1, the straight section has an axial length L2, the conical diverging section has an axial dimension L3, L1: l2: l3= (0.9-1.1): (0.9-1.1): (0.9-1.1).
6. A spray gun for a painting production line according to claim 5, characterized in that the conical flow guide and the conical constriction have an axial length L0, L0: l1= 1.0-1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920837.3A CN112024151B (en) | 2020-09-04 | 2020-09-04 | Spray gun for spraying production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920837.3A CN112024151B (en) | 2020-09-04 | 2020-09-04 | Spray gun for spraying production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112024151A CN112024151A (en) | 2020-12-04 |
| CN112024151B true CN112024151B (en) | 2021-10-08 |
Family
ID=73591386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010920837.3A Active CN112024151B (en) | 2020-09-04 | 2020-09-04 | Spray gun for spraying production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112024151B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441301B (en) * | 2021-07-21 | 2022-10-11 | 北京航空航天大学 | Single-phase internal shearing nozzle for atomizing shearing thinning fluid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206499389U (en) * | 2016-09-07 | 2017-09-19 | 广东美的生活电器制造有限公司 | The heating container of food processor and the food processor with it |
| CN108408811A (en) * | 2018-03-21 | 2018-08-17 | 国家能源投资集团有限责任公司 | The thermal wastewater concentrate fluidized crystallization drying system and method for hot-air Natural Circulation |
| CN210580944U (en) * | 2019-08-22 | 2020-05-22 | 平凉瑞杰科技有限公司 | 3D prints extrusion device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3450404B2 (en) * | 1993-03-29 | 2003-09-22 | 英夫 長谷川 | Heating spray |
| DE102006014124A1 (en) * | 2006-03-24 | 2007-09-27 | Linde Ag | Cold spray gun |
| CN201878765U (en) * | 2010-11-01 | 2011-06-29 | 常州市富艾发进出口有限公司 | Mouth suction type portable atomizer |
| CN103657385A (en) * | 2012-09-10 | 2014-03-26 | 杨建华 | Double-atomization spray gun for SNCR (selective non-catalytic reduction) denitration system |
| TWM490913U (en) * | 2014-03-27 | 2014-12-01 | Stone Will Co Ltd | Heating type gas/liquid jetting device |
| CN204604733U (en) * | 2015-02-11 | 2015-09-02 | 蓝志全 | A kind of spring hot runner nozzle |
| CN105935549B (en) * | 2016-06-21 | 2018-09-11 | 中国恩菲工程技术有限公司 | Flue gas of refuse burning processing equipment |
| CN106335108B (en) * | 2016-09-11 | 2018-05-01 | 北京林业大学 | A kind of method that wood plastics composite oriented wood chipboard is prepared based on plastic-spraying mode |
| CN206542922U (en) * | 2017-03-14 | 2017-10-10 | 常州市派腾电子技术服务有限公司 | Atomising head, atomizer and electronic cigarette |
-
2020
- 2020-09-04 CN CN202010920837.3A patent/CN112024151B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206499389U (en) * | 2016-09-07 | 2017-09-19 | 广东美的生活电器制造有限公司 | The heating container of food processor and the food processor with it |
| CN108408811A (en) * | 2018-03-21 | 2018-08-17 | 国家能源投资集团有限责任公司 | The thermal wastewater concentrate fluidized crystallization drying system and method for hot-air Natural Circulation |
| CN210580944U (en) * | 2019-08-22 | 2020-05-22 | 平凉瑞杰科技有限公司 | 3D prints extrusion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112024151A (en) | 2020-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112024148B (en) | Spraying device for surface treatment or coloring | |
| CN112024151B (en) | Spray gun for spraying production line | |
| CN107120210B (en) | Supersonic jet pipe | |
| CN112024150B (en) | Automatic spraying device for spraying production line | |
| CN100406130C (en) | Cold air powered spraying method and device | |
| CN112035952A (en) | Design method of ejector nozzle experimental device for simulating outflow of aircraft | |
| CN110173373B (en) | Double-flow-passage S-shaped spray pipe | |
| CN117505863B (en) | LAVAL type runner, design method thereof and circular seam spray disk | |
| CN203425725U (en) | Ammonia gas and air mixer in ammonia-spraying denitration system of thermal power plant | |
| CN109631085B (en) | Sweepback arc type pneumatic atomization evaporation type stabilizer | |
| CN106092590B (en) | A kind of block testing stand discharge duct cooling device | |
| CN209512004U (en) | A kind of high pressure solar term nozzle | |
| CN114682410A (en) | Spraying device with multiple mixing cavities | |
| CN108416183B (en) | Design method of two-dimensional support plate integrated structure for ejector | |
| CN209778304U (en) | sulfur gun nozzle of sulfur burner | |
| AU2020103469A4 (en) | Detachable device for coupling cyclone type vehicle SCR mixer and nozzle | |
| CN208853074U (en) | A kind of welded type air ducting | |
| CN211876015U (en) | Ceramsite and rice chaff combustor | |
| CN203380040U (en) | Sprayer suitable for spraying of electrothermal film on inner wall of heating tube | |
| CN110131996B (en) | Surface treatment device for ceramic surface forming | |
| CN204255097U (en) | The feed nozzle of smelting furnace | |
| CN208330297U (en) | A kind of reduction Oil Well Back Pressure device | |
| CN203291983U (en) | Concrete gun | |
| CN111515040A (en) | Liquid spraying device for production process of ceramic tile products | |
| CN205297771U (en) | Gas jet pipe for engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |