CN217363374U - Rotary spray gun for atmospheric plasma surface treatment - Google Patents
Rotary spray gun for atmospheric plasma surface treatment Download PDFInfo
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- CN217363374U CN217363374U CN202220588757.7U CN202220588757U CN217363374U CN 217363374 U CN217363374 U CN 217363374U CN 202220588757 U CN202220588757 U CN 202220588757U CN 217363374 U CN217363374 U CN 217363374U
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- surface treatment
- fixedly connected
- atmospheric plasma
- plasma surface
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Abstract
The utility model relates to a plasma surface treatment technical field discloses a rotatory spray gun for atmospheric plasma surface treatment, rotatory spray gun includes: a transmission assembly for power transmission; the connecting and fastening assembly is used for carrying and installing the bearing structure; a gas discharge assembly for generating plasma and ejecting; connect fastening components and include cover, the fixed section of thick bamboo of bearing, backplate, panel beating cover, fixed plate, electrically conductive copper post, the panel beating cover passes through bolted connection in the side of backplate. The utility model discloses in, this device drive is reliable, and the transmission is stable, connects never becoming flexible, when outside supply air pressure and electric field are stable, can produce the plasma of stable density, temperature, particle component, provides environmental protection, energy-conservation, efficient solution for technologies such as modern material surface activation, washing, sculpture.
Description
Technical Field
The utility model relates to a plasma surface treatment technical field especially relates to a rotatory spray gun for atmospheric plasma surface treatment.
Background
The rotary spray gun for surface treatment of atmospheric plasma is the core for generating plasma and the device closest to the treated object, its stability directly affects the parameters of plasma, and the parameters of plasma directly relate to the quality of surface treatment process, because the rotary spray gun needs to be close to the treated object, it is desirable that the size is smaller, the weight is lighter, the treated area is larger, the requirement is better, only brush motor can be used to replace brushless motor, the installation size of driver is removed, machine screw is used to replace cylinder screw, the installation size of countersunk head is reduced, the contact mode uses single-point or single-line contact mode to replace surface or multi-line contact mode, so as to reduce size, etc.
However, the downsizing of these measures also causes a series of problems such as short motor life, poor contact, unstable gas discharge, etc., so we propose innovative schemes and materials in the design to solve such problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art and providing a rotary spray gun for atmospheric plasma surface treatment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a rotary torch for atmospheric plasma surface treatment, the rotary torch comprising:
a transmission assembly for power transmission;
the connecting and fastening assembly is used for carrying and installing the bearing structure;
a gas discharge assembly for generating plasma and ejecting;
the connecting and fastening assembly comprises a cylinder cover, a bearing fixing cylinder, a back plate, a metal plate cover, a fixing plate and a conductive copper column, wherein the metal plate cover is connected to the side face of the back plate through a bolt, and the side face of the fixing plate is connected to the inside of a combination body of the metal plate cover and the back plate through a bolt;
the transmission assembly comprises a transmission belt, a transmission belt wheel, a first bearing, a second bearing and a hollow rotating shaft, wherein the bottom of the hollow rotating shaft is fixedly connected with a driven belt wheel, the lower part of the outer part of the hollow rotating shaft is fixedly connected to the inner ring of the second bearing, and the upper part of the outer part of the hollow rotating shaft is fixedly connected to the inner ring of the first bearing;
the gas discharge assembly comprises a carbon brush slip ring, a carbon brush, an inner wire tube, an insulating sleeve, an electrode, a grounding outer sleeve and a nozzle, wherein the top end of the nozzle is fixedly connected to the bottom of the grounding outer sleeve, and the top of the grounding outer sleeve is fixedly connected to the bottom of a driven belt wheel arranged at the bottom of the hollow rotating shaft.
As a further description of the above technical solution:
the outer ring of the bearing I is fixedly connected inside the bearing fixing cylinder.
As a further description of the above technical solution:
the outer side of the bearing fixing cylinder is fixedly connected to the inner side of the back plate, and the top of the bearing fixing cylinder is fixedly connected with a cylinder cover.
As a further description of the above technical solution:
the utility model discloses a grounding device, including interior spool, insulating cover, ground connection outer sleeve, interior spool, insulating cover, the inside of spool setting at the cavity rotation axis, the bottom setting of interior spool is in the inside of insulating cover, insulating cover is located the inside of ground connection outer sleeve, the inside of insulating cover is provided with electrically conductive copper post, the outside of electrically conductive copper post is provided with the electrode.
As a further description of the above technical solution:
the carbon brushes are respectively arranged on two sides of the bearing fixing cylinder and are in contact with the carbon brush slip ring in the bearing fixing cylinder.
As a further description of the above technical solution:
and the inner ring of the carbon brush slip ring is fixedly connected to the outside of the hollow rotating shaft.
As a further description of the above technical solution:
still include the motor, the drive end fixed connection of motor is in the middle part of driving pulley, the shell fixed connection of motor is in the inside one side of fixed plate, link to each other through the drive belt between driving pulley and the driven pulley.
The utility model discloses following beneficial effect has:
the utility model discloses in, adopt brushless motor, it is little to have the noise, long service life, characteristics that the reliability is high, adopt the elastic component buffering to connect, it is firm to fasten, locking, adopt 99% corundum insulating cover, great dielectric constant, better coefficient of heat conductivity, adopt the inclined hole to cross gas, atmospheric pressure is even, it is stable to discharge, the electrode adopts the mode of face contact and multi-thread contact, contact safe and reliable, do not have the phenomenon of opening a way, it is stable to produce plasma parameter, this device drive is reliable, the transmission is stable, it is never not hard up to connect, when externally supplied with atmospheric pressure and electric field are stable, can produce the plasma of stable density, the temperature, the particle component, for modern material surface activation, wash, technology such as sculpture provides environmental protection, energy-conservation, efficient solution.
Drawings
Fig. 1 is an exploded schematic view of a rotary spray gun for atmospheric plasma surface treatment according to the present invention;
fig. 2 is a schematic perspective view of a rotary spray gun for atmospheric plasma surface treatment according to the present invention;
FIG. 3 is a schematic view from another perspective of the structure of FIG. 2;
fig. 4 is a schematic cross-sectional view taken along line a-a in fig. 3.
Legend labels:
1. a cylinder cover; 2. a first bearing; 21. a second bearing; 3. a bearing fixing cylinder; 4. a carbon brush slip ring; 5. a back plate; 6. a carbon brush; 7. an inner conduit; 8. a transmission belt; 9. a drive pulley; 10. a motor; 11. a sheet metal cover; 12. a hollow rotating shaft; 13. a fixing plate; 14. an insulating sleeve; 15. an electrode; 16. a grounded outer sleeve; 17. a nozzle; 18. a conductive copper pillar; 19. a transmission assembly; 20. connecting the fastening components; 21. a gas discharge assembly.
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. 1-4, the present invention provides an embodiment: a rotary torch for atmospheric plasma surface treatment, the rotary torch comprising:
the transmission assembly 19, the transmission assembly 19 is used for power transmission;
a connection fastening component 20, wherein the connection fastening component 20 is used for carrying and mounting of a bearing structure;
a gas discharge unit 21, the gas discharge unit 21 serving to generate plasma and eject it;
the connecting and fastening component 20 comprises a cylinder cover 1, a bearing fixing cylinder 3, a back plate 5, a sheet metal cover 11, a fixing plate 13 and a conductive copper column 18, wherein the sheet metal cover 11 is connected to the side surface of the back plate 5 through a bolt, and the side surface of the fixing plate 13 is connected to the inside of a combination body of the sheet metal cover 11 and the back plate 5 through a bolt;
the transmission assembly 19 comprises a transmission belt 8, a transmission belt pulley 9, a first bearing 2, a second bearing 201 and a hollow rotating shaft 12, wherein the bottom of the hollow rotating shaft 12 is fixedly connected with a driven belt pulley, the lower part of the outer part of the hollow rotating shaft 12 is fixedly connected with the inner ring of the second bearing 201, and the upper part of the outer part of the hollow rotating shaft 12 is fixedly connected with the inner ring of the first bearing 2;
the gas discharge assembly 21 comprises a carbon brush slip ring 4, a carbon brush 6, an inner wire tube 7, an insulating sleeve 14, an electrode 15, a grounding outer sleeve 16 and a nozzle 17, wherein an outlet of the nozzle 17 is only a small hole, so that the treatment area is small, when the nozzle 17 rotates, the treatment area is enlarged from a single point to a circular area with the diameter of the nozzle, the nozzle 17 rotates, the motor 10 is fixed on a motor fixing plate 13, the motor 10 drives a transmission belt wheel 9, the transmission belt wheel 9 transmits to a transmission belt 8, the transmission belt 8 drives a hollow rotating shaft 12, the hollow rotating shaft passes through a bearing fixing cylinder 3, a bearing 2 is fixed and limited, the grounding outer sleeve 16 and the nozzle 17 rotate to increase the treatment surface area, the top end of the nozzle 17 is fixedly connected to the bottom of the grounding outer sleeve 16, and the top end of the grounding outer sleeve 16 is fixedly connected to the bottom of a driven belt wheel arranged at the bottom of the hollow rotating shaft 12.
The outer ring of the second bearing 201 is fixedly connected inside the fixing plate 13, and the outer ring of the first bearing 2 is fixedly connected inside the bearing fixing cylinder 3.
The outside fixed connection of bearing fixing cylinder 3 is in the inboard of backplate 5, and the top fixed connection of bearing fixing cylinder 3 has cover 1.
The inner wire tube 7 is arranged inside the hollow rotating shaft 12, the bottom of the inner wire tube 7 is arranged inside the insulating sleeve 14, the insulating sleeve 14 is located inside the grounding outer sleeve 16, the inside of the insulating sleeve 14 is provided with the conductive copper column 18, the outside of the conductive copper column 18 is provided with the electrode 15, the conductive copper column 18 is connected with the high-voltage wire and the electrode 15, if any fine contact failure occurs in contact between the conductive copper column and the electrode, the phenomenon of uneven discharge and incapability of discharging can be caused, and in the example, the original single-wire contact is replaced by a reasonable and safe surface contact and multi-wire contact mode.
The carbon brushes 6 are respectively arranged at two sides of the bearing fixing cylinder 3 and contact the carbon brush slip ring 4 in the bearing fixing cylinder 3.
The inner ring of the carbon brush slip ring 4 is fixedly connected to the outside of the hollow rotating shaft 12.
Still include motor 10, motor 10's drive end fixed connection is in the middle part of driving pulley 9, and motor 10's shell fixed connection links to each other through drive belt 8 in the inside one side of fixed plate 13 between driving pulley 9 and the driven pulley.
The working principle is as follows: the gas and the electric field are led into the grounding outer sleeve 16 through the inner wire tube 7, the insulating sleeve 14 and the electrode 15, a coaxial discharge field is formed between the electrode 15 and the grounding outer sleeve 16, the electrode 15 is connected with a high-voltage electric field, the grounding outer sleeve 16 is connected with the hollow rotating shaft 12, the hollow rotating shaft 12 is connected with the carbon brush slip ring 4, the carbon brush 6 is contacted with the carbon brush slip ring 4, the carbon brush 6 is connected with the cylinder cover 1 and the bearing fixing cylinder 3, and the cylinder cover 1 is connected with the ground wire, so that the high-voltage electric field is formed at the end of the electrode 15, the potential difference of the grounding outer sleeve 16 is formed, when the electric field intensity is large enough, the gas is ionized under the action of the electric field, wherein electrons in part of ionized gas accelerated by the external electric field collide with neutral molecules, the energy obtained from the electric field is transmitted to the gas, so that more gas is ionized, and a plasma substance with enough density is formed, the plasmas are covered on the surface of the treated object through a nozzle 17, wherein high-energy electrons can break chemical bonds of molecules on the surface of the base material, and the activity of the surface of the base material is improved; heavy ions, free radicals or functional groups close to room temperature cover the surface of the base material to form a compact active layer, and different free radicals and surface molecules enable the base material to have hydrophilicity, cohesiveness and dyeability, so that the process effects of activation, cleaning, etching and the like of the surface of the material are achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A rotating spray gun for atmospheric plasma surface treatment, characterized in that: the rotary spray gun includes:
a transmission assembly (19), the transmission assembly (19) serving as a power transmission;
a connection fastening assembly (20), wherein the connection fastening assembly (20) is used for carrying and mounting of a bearing structure;
a gas discharge assembly (21), the gas discharge assembly (21) being used to generate plasma and eject it;
the connecting and fastening assembly (20) comprises a cylinder cover (1), a bearing fixing cylinder (3), a back plate (5), a sheet metal cover (11), a fixing plate (13) and a conductive copper column (18), wherein the sheet metal cover (11) is connected to the side surface of the back plate (5) through a bolt, and the side surface of the fixing plate (13) is connected to the inside of a combination body of the sheet metal cover (11) and the back plate (5) through a bolt;
the transmission assembly (19) comprises a transmission belt (8), a transmission belt pulley (9), a first bearing (2), a second bearing (201) and a hollow rotating shaft (12), the bottom of the hollow rotating shaft (12) is fixedly connected with a driven belt pulley, the lower part of the outer part of the hollow rotating shaft (12) is fixedly connected to the inner ring of the second bearing (201), and the upper part of the outer part of the hollow rotating shaft (12) is fixedly connected to the inner ring of the first bearing (2);
the gas discharge subassembly (21) includes carbon brush sliding ring (4), carbon brush (6), interior spool (7), insulating cover (14), electrode (15), ground connection outer sleeve (16) and nozzle (17), the top fixed connection of nozzle (17) is in the bottom of ground connection outer sleeve (16), the top fixed connection of ground connection outer sleeve (16) is in the bottom of the driven pulleys who sets up bottom cavity rotation axis (12).
2. The rotary torch for atmospheric plasma surface treatment according to claim 1, characterized in that: the outer ring of the second bearing (201) is fixedly connected inside the fixing plate (13), and the outer ring of the first bearing (2) is fixedly connected inside the bearing fixing barrel (3).
3. The rotary torch for atmospheric plasma surface treatment according to claim 2, characterized in that: the outer side of the bearing fixing cylinder (3) is fixedly connected to the inner side of the back plate (5), and the top of the bearing fixing cylinder (3) is fixedly connected with a cylinder cover (1).
4. The rotary torch for atmospheric plasma surface treatment according to claim 1, characterized in that: interior spool (7) set up the inside at cavity rotation axis (12), the bottom of interior spool (7) sets up the inside at insulating cover (14), insulating cover (14) are located the inside of ground connection outer sleeve (16), the inside of insulating cover (14) is provided with electrically conductive copper post (18), the outside of electrically conductive copper post (18) is provided with electrode (15).
5. The rotary torch for atmospheric plasma surface treatment according to claim 1, characterized in that: the carbon brushes (6) are respectively arranged at two sides of the bearing fixing cylinder (3) and are contacted with the carbon brush slip ring (4) in the bearing fixing cylinder (3).
6. The rotary torch for atmospheric plasma surface treatment according to claim 5, characterized in that: the inner ring of the carbon brush slip ring (4) is fixedly connected to the outside of the hollow rotating shaft (12).
7. The rotary torch for atmospheric plasma surface treatment according to claim 1, characterized in that: still include motor (10), the drive end fixed connection of motor (10) is in the middle part of driving pulley (9), the shell fixed connection of motor (10) is in the inside one side of fixed plate (13), link to each other through drive belt (8) between driving pulley (9) and the driven pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220588757.7U CN217363374U (en) | 2022-03-17 | 2022-03-17 | Rotary spray gun for atmospheric plasma surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220588757.7U CN217363374U (en) | 2022-03-17 | 2022-03-17 | Rotary spray gun for atmospheric plasma surface treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217363374U true CN217363374U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220588757.7U Active CN217363374U (en) | 2022-03-17 | 2022-03-17 | Rotary spray gun for atmospheric plasma surface treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217363374U (en) |
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2022
- 2022-03-17 CN CN202220588757.7U patent/CN217363374U/en active Active
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