CN2785717Y - Electrostatic painting insulation rod - Google Patents
Electrostatic painting insulation rod Download PDFInfo
- Publication number
- CN2785717Y CN2785717Y CN 200520056977 CN200520056977U CN2785717Y CN 2785717 Y CN2785717 Y CN 2785717Y CN 200520056977 CN200520056977 CN 200520056977 CN 200520056977 U CN200520056977 U CN 200520056977U CN 2785717 Y CN2785717 Y CN 2785717Y
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- utility
- model
- electrostatic painting
- insulating
- water based
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Abstract
The utility model discloses an electrostatic painting insulating rod which is improved on an insulating rod in a high pressure electrostatic painting machine. The utility model is composed of an insulating tube and an insulating gate, wherein the umbrella-shaped insulating gate is installed on the outer wall of the insulating tube, and accordingly, a spray head connected to the bottom end of the insulating tube is made mutually electrically insulated with painted workpieces by utilizing the electric field shielding function of the insulating gate, preventing water based paint from being covered on the insulating tube; the water based paint after atomized is caused to better have negative charge and to be directly attached on the surfaces of the painted workpieces. The existing high pressure electrostatic painting machine can effectively adopt the water based paint to carry out painting for workpieces through utilizing the utility model, so the utility model has the advantages of giving full play to electrostatic painting technologic energy, ensuring painting quality, saving raw materials, saving man-hours, avoiding harm to human bodies caused by adopting oil paint, being favorable for environmental protection and improving labor productivity, and accordingly, the utility model can realize large-scale electrostatic painting process technology.
Description
One, technical field
The utility model relates to field of metal surface treatment technology, particularly relates to a kind of improvement to the insulating bar in the high pressure electrostatic painting machine.
Two, background technology
At present, existing high pressure electrostatic painting machine only is applicable to and adopts oil paint that workpiece is sprayed.But,, when carrying out spraying operation, usually can workman's healthy generation infringement be polluted and the harm environment because great majority contain harmful substances such as benzene.And existing high pressure electrostatic painting machine can't be applicable to the healthy all favourable water based paint to environmental protection and workman preferably.Its crux is to atomize for water base coating to handle and to Workpiece painting the time when the shower nozzle of this machine; because the electric conductivity of water based paint is higher than the electric conductivity of oil paint; and because original insulating bar is that a naked body straight tube does not but have the umbrella shape protective device and can not shield electronegative coating particle adhering to the insulating bar surface in the high pressure electrostatic painting machine; thus; electronegative coating particle is with regard to the corresponding insulating bar that adheres to easily; prolongation along with service time; these electronegative coating particles will accumulate on the outer wall of insulating bar more and more; be equivalent to be coated with the last layer conducting film on the surface of insulating bar; at this moment; make insulating bar lose insulating effect; the feasible shower nozzle that is connected in the insulating bar bottom communicates with the earth and forms short circuit current; cause voltage seriously to descend; owing to there is not high-pressure electrostatic; the guiding negative electrical charge is weakened to the electric field force that positive electrode moves; like this; be adsorbed onto on the surface that is coated with workpiece with regard to the water based paint after being difficult to atomize efficiently, thereby lose the high effect of high pressure electrostatic painting; characteristic cheaply.And, will waste a large amount of coating at this moment if continuously reluctantly to Workpiece painting.But; in order to continue that workpiece is sprayed and do not waste for no reason coating; then have to shut down by every certain interval of time; the coating particle that adheres to insulating bar is washed; after the insulating properties of reduction insulating bar, just can continue spraying operation, so can't spray to continuous effective to workpiece; cause production efficiency low, the waste raw material, can not guarantee coating quality again.
Three, summary of the invention
The purpose of this utility model is that a kind of electrostatic spraying insulating bar will be provided, so that the insulating bar in the high pressure electrostatic painting machine is made improvements, thereby, can make existing high pressure electrostatic painting machine adopt water based paint that workpiece is sprayed preferably, and when overcoming existing high pressure electrostatic painting machine and adopting water based paint that workpiece is sprayed reluctantly, existing production efficiency is low, waste raw material and can not guarantee the drawback of coating quality.
The purpose of this utility model is achieved in that the utility model is made of insulation tube and insulated gate, for the insulated gate of umbrella shape device is installed on the outer wall of insulation tube, to replace the insulating bar in the existing high pressure electrostatic painting machine.It utilizes the effect of insulated gate electric field shielding, makes shower nozzle and is coated with workpiece electric insulation each other, thereby can make existing high pressure electrostatic painting machine adopt water based paint that workpiece is sprayed effectively.
Use the utility model; can make existing high pressure electrostatic painting machine adopt water based paint that workpiece is sprayed effectively; thereby can give full play to the energy of electrostatic painting process, and guarantee the quality that sprays, save raw material; save man-hour; avoid adopting oil paint to the harm that human body caused, help environmental protection, improve working conditions greatly and working environment; and improved labor productivity, thereby realize extensive electrostatic spraying production technology.
Four, description of drawings
Fig. 1, be that one of the utility model embodiment is installed in the structural representation in the high pressure electrostatic painting machine;
Fig. 2, be that two of the utility model embodiment is installed in the structural representation in the high pressure electrostatic painting machine;
Fig. 3, be that three of the utility model embodiment is installed in the structural representation in the high pressure electrostatic painting machine;
Fig. 4, be that four of the utility model embodiment is installed in the structural representation in the high pressure electrostatic painting machine.
Five, the specific embodiment
Below in conjunction with drawings and Examples structure of the present utility model is further described:
Existing high pressure electrostatic painting machine only is only applicable to adopt oil paint that workpiece is sprayed at present, and it has the critical piece of HV generator, elevating mechanism, insulating bar, pneumatic turbine and shower nozzle.Wherein, shower nozzle is driven by pneumatic turbine and carries out the high speed rotation, comes that coating is done atomizing and handles; And an output negative electrode of HV generator is arranged in the shower nozzle, its another output positive electrode ground connection then, to produce high voltage, be coated with workpiece and join with the earth and become positively charged, thereby made near the space formation electrostatic field the shower nozzle, coating after the atomizing then has been with negative electrical charge by shower nozzle, like this, rely on the electrostatic attraction effect of this electrostatic field, electronegative coating particle just moves to positive electrode, and, make to be coated with workpiece and to obtain thickness and film uniformly attached to the surface that is coated with workpiece.Yet,, use existing high pressure electrostatic painting machine just to seem comparatively difficult if attempt to adopt water based paint that workpiece is sprayed.Because the electric conductivity of water based paint is higher than the electric conductivity of oil paint; and because original insulating bar is that a naked body straight tube does not but have the umbrella shape protective device and can not shield electronegative coating particle adhering to the insulating bar surface in the high pressure electrostatic painting machine; thus; electronegative coating particle is with regard to the corresponding insulating bar that adheres to easily; prolongation along with service time; these electronegative coating particles will accumulate on the outer wall of insulating bar more and more; be equivalent to be coated with the last layer conducting film on the surface of insulating bar; at this moment; make insulating bar lose insulating effect; the feasible shower nozzle that is connected in the insulating bar bottom communicates with the earth and forms short circuit current; cause voltage seriously to descend; owing to there is not high-pressure electrostatic; the guiding negative electrical charge is weakened to the electric field force that positive electrode moves; like this, be adsorbed onto on the surface that is coated with workpiece with regard to the water based paint after being difficult to atomize efficiently.
Therefore, the utility model just makes improvements the insulating bar in the existing high pressure electrostatic painting machine, and is replaced by the utility model.
In Fig. 1, the utility model is made of insulation tube 3 and insulated gate 4, and described insulated gate 4 is installed on the outer wall of insulation tube 3 for the umbrella shape device, and insulated gate 4 has one-level at least.Its top is connected with elevating lever 2 in the elevating mechanism 1, its bottom then is connected in shower nozzle 6 by pneumatic turbine 5, so that also driving shower nozzle 6 thus does upper and lower motion under the drive of elevating mechanism 1, thereby shower nozzle 6 after being atomized, water based paint can be uniformly sprayed to workpiece.Why described insulated gate 4 manufactures the umbrella shape device, be because it can play electric field shielding effect preferably, make shower nozzle 6 and the earth promptly and be coated with between the workpiece electric insulation mutually, like this, the supply of water based paint has just been separated by strictness with application, intercepted water based paint and be not covered in insulation tube 3, made that water based paint after the atomizing can be electronegative preferably and directly be adsorbed on the surface that is coated with workpiece.Like this, through so improving, just make existing high pressure electrostatic painting machine to adopt water based paint that workpiece has been sprayed effectively.Insulating properties of the present utility model is better in order to make, barrier is stronger, special some and the quantity of being arranged at intervals with in the bottom surface of insulated gate 4 can be for being no less than one following grating ring 4a, the water based paint after the atomizing is done protection step by step, utilize the electric field shielding effect, the water based paint after atomizing can't not entered on the outer wall that adheres to insulation tube 3 along insulated gate 4 because of there being electric field force; Simultaneously, also make insulation effect of the present utility model obvious, the special more insulated gate 4 of progression of on the outer wall of long insulation tube 3, installing, also be in order to set up defenses in depth, shielding is lived electronegative coating particle to the adhering to of insulation tube 3 surfaces, and makes the shower nozzle 6 that the is connected in insulation tube 3 bottoms formation short circuit current that communicates with the earth cause voltage seriously to descend thereby the water based paint after avoiding atomizing adheres to insulation tube 3.And, when multistage insulated gate 4 is installed, between it is adjacent can not be too big apart from S, otherwise the water based paint after the atomizing adheres to regard to therefrom entering easily on the outer wall of insulation tube 3 and order is connected in the shower nozzle 6 of the insulation tube 3 bottoms formation short circuit current that communicates with the earth; This S can not be too small, otherwise, puncture air easily and conduct electricity, this shower nozzle 6 that can cause being connected in insulation tube 3 bottoms equally formation short circuit current that communicates with the earth, therefore, the suitable scope of this S can only be determined according to the volume that is coated with workpiece is big or small.
In addition, modification as last example, be two of the utility model embodiment, as shown in Figure 2, grating ring 4b at least one can be set at the end face of insulated gate 4, and, according to using needs grating ring 4b at least one, following grating ring 4a to be set separately at the same time or separately or grating ring 4b, following grating ring 4a all are not set in the end face or the bottom surface of insulated gate 4.To the improvement of above two embodiment, insulated gate 4 oppositely can also be installed on insulation tube 3.
In Fig. 3, as three of embodiment of the present utility model, be to one of the foregoing description and two make improvements again, 90 degree are orthogonal with it when that makes insulated gate 4 be installed on insulation tube 3 exactly, and, according to using needs grating ring 4b at least one, following grating ring 4a to be set at the same time or separately separately in the end face or the bottom surface of insulated gate 4.
In Fig. 4, as four of embodiment of the present utility model, also can the triple-cropping of the foregoing description further be improved, that is exactly that insulated gate 4 all is not provided with upper and lower grating ring.This also has the convenient advantage of the present utility model of cleaning except also having above-mentioned usefulness.
Above-described only is preferential embodiment of the present utility model.Should be pointed out that to those skilled in the art under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, this also is considered as belonging to protection domain of the present utility model.
Claims (4)
1, a kind of electrostatic spraying insulating bar includes insulation tube (3), it is characterized in that: for the insulated gate (4) of umbrella shape device is installed on the outer wall of insulation tube (3), and insulated gate (4) has one-level at least.
2, electrostatic spraying insulating bar as claimed in claim 1 is characterized in that: the bottom surface of described insulated gate (4) can be provided with at least one grating ring (4a) down.
3, electrostatic spraying insulating bar as claimed in claim 1 is characterized in that: the end face of described insulated gate (4) can be provided with grating ring at least one (4b).
4, electrostatic spraying insulating bar as claimed in claim 1 is characterized in that: described insulated gate (4) can be provided with grating ring at least one (4b), following grating ring (4a) separately at the same time or separately at its end face or bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056977 CN2785717Y (en) | 2005-04-08 | 2005-04-08 | Electrostatic painting insulation rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520056977 CN2785717Y (en) | 2005-04-08 | 2005-04-08 | Electrostatic painting insulation rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2785717Y true CN2785717Y (en) | 2006-06-07 |
Family
ID=36774291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520056977 Expired - Fee Related CN2785717Y (en) | 2005-04-08 | 2005-04-08 | Electrostatic painting insulation rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2785717Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846186A (en) * | 2015-06-04 | 2015-08-19 | 中冶南方(武汉)威仕工业炉有限公司 | Cooling device for heat treatment of metal belts |
| CN104977432A (en) * | 2014-04-11 | 2015-10-14 | 南方电网科学研究院有限责任公司 | Water spray apparatus for long-string insulator wet operation impact test, and application thereof |
-
2005
- 2005-04-08 CN CN 200520056977 patent/CN2785717Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977432A (en) * | 2014-04-11 | 2015-10-14 | 南方电网科学研究院有限责任公司 | Water spray apparatus for long-string insulator wet operation impact test, and application thereof |
| CN104977432B (en) * | 2014-04-11 | 2019-09-20 | 南方电网科学研究院有限责任公司 | Long-string insulator wet practice impact test water injector and its application |
| CN104846186A (en) * | 2015-06-04 | 2015-08-19 | 中冶南方(武汉)威仕工业炉有限公司 | Cooling device for heat treatment of metal belts |
| CN104846186B (en) * | 2015-06-04 | 2017-10-24 | 中冶南方(武汉)威仕工业炉有限公司 | A kind of cooling device being heat-treated for metal tape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |