CN210190674U - Corona machine - Google Patents
Corona machine Download PDFInfo
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- CN210190674U CN210190674U CN201920737589.1U CN201920737589U CN210190674U CN 210190674 U CN210190674 U CN 210190674U CN 201920737589 U CN201920737589 U CN 201920737589U CN 210190674 U CN210190674 U CN 210190674U
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Abstract
The utility model discloses a corona machine relates to printing preliminary treatment field, including the frame, set up corona frame in the frame, corona frame top sets up the shroud, set up high frequency high voltage generator, water tank and water pump in the frame, corona frame's intermediate position sets up corona roller, both ends upper portion is provided with the driving roller, and the electrode slice rigid coupling just sets up in corona roller top in the shroud lower part, electrode slice and high frequency high voltage generator electric connection, the length of electrode slice is less than corona roller's length, set up the cooling water course and the end shaft water course of mutual intercommunication in the corona roller, corona roller's end shaft's tip sets up the end shaft flange, corona roller sets up the heat conduction silica gel layer in the outside of roller. The utility model discloses can solve corona in-process face high temperature and lead to corona effect decline and the problem that the corona roller is punctured easily.
Description
Technical Field
The utility model belongs to the technical field of the printing preliminary treatment and specifically relates to a corona machine.
Background
Corona treatment machines are commonly known in the packaging industry as corona machines, electron impact machines, and electric spark machines. Known academically as dielectric barrier discharge. The method is mainly used for surface treatment of plastic film or plastic plate products, and before the materials are subjected to ink printing, compounding, film blowing, coating, cementing, material modification, grafting, polymerization, film coating, tape casting and pasting processing, in order to enable the surface of a product to have stronger adhesion, and prevent phenomena of printing and color throwing, compound pasting insecurity, coating adhesive leakage unevenness and the like of raw materials in the production process.
During the corona treatment, the film surface temperature has a great influence on the effect of the corona treatment. As the corona treatment proceeds, a large amount of heat is generated, thereby increasing the surface temperature of the film surface. With the increase of the temperature of the membrane surface, the chance of generating electret molecules on the membrane surface by oxygen-containing functional groups is greatly reduced, the stability of the generated electret molecules is deteriorated, the formation of high surface energy areas of the membrane surface is not facilitated, the effect of increasing the surface tension of the membrane through corona is partially counteracted, the corona effect is reduced, and the membrane surface can not reach the preset dyne value.
In the corona machine in the prior art, the length of an electrode plate is equal to that of a corona roller, and the width of a film surface needing corona treatment is smaller than that of the corona roller, so that a part of the corona roller is exposed at two sides of the film surface, and the electrode plate can directly discharge to the part of the corona roller to cause the corona roller to be broken down.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a corona machine is provided, solve corona in-process face high temperature and lead to corona effect to descend and the problem that the corona roller is punctured easily.
The utility model provides a corona machine, which comprises a frame, wherein a corona frame is arranged on the frame, a cover cap is arranged above the corona frame, a high-frequency high-voltage generator, a water tank and a water pump are arranged on the frame, a corona roller is arranged at the middle position of the corona frame, a driving roller is arranged at the upper parts of the two ends of the corona frame, an electrode plate is fixedly connected at the lower part of the cover cap and is arranged above the corona roller, the electrode plate is electrically connected with the high-frequency high-voltage generator, the length of the electrode plate is less than that of the corona roller, a cooling water channel and an end shaft water channel which are mutually communicated are arranged in the corona roller, the cooling water channel is arranged in a roller barrel of the corona roller, the end shaft water channel is arranged in an end shaft of the corona roller, the longitudinal section of the cooling water channel is in a ring shape, an end shaft flange is arranged at the end, one end of the water outlet pipe is connected with a water inlet of the water tank, the other end of the water outlet pipe is connected with an end shaft flange on the other side of the corona roller, a water outlet of the water tank is connected with a water inlet of the water pump, and the corona roller is provided with a heat conduction silica gel layer outside the roller.
Furthermore, a partition plate and a bottom plate are arranged on the rack, the water tank and the water pump are arranged on the partition plate, and the high-frequency high-voltage generator is arranged on the bottom plate.
Further, the corona frame is provided with supporting rollers at the lower parts of two sides of the corona roller.
Furthermore, the bottom of the rack is provided with four universal wheels.
Furthermore, the annular area of the annular longitudinal section of the cooling water channel is smaller than the sectional area of the longitudinal section of the end shaft water channel.
The utility model discloses following beneficial effect has:
1. the corona roller is provided with the water pump, the water tank and the end shaft water channel and the cooling water channel, so that the temperature of the membrane surface can be reduced through closed-loop circulation of water in the corona process, and the flow velocity of the water in the cooling water channel is greater than that of the water in the end shaft water channel because the circular ring area of the circular ring-shaped longitudinal section of the cooling water channel is smaller than the sectional area of the longitudinal section of the end shaft water channel, so that the cooling effect is better.
2. Because the heat-conducting silica gel is used for replacing the common silica gel to be used as the insulating heat-conducting layer on the surface of the corona roller, the heat-conducting effect is enhanced, the high temperature of the film surface can be timely conducted to the circulating water, the temperature of the film surface is reduced, and the corona effect is improved.
3. Because the length of the electrode plate is set to be smaller than that of the corona roller, the corona roller is not exposed on two sides of the film surface during corona treatment, and the corona roller is not broken down.
4. Because the universal wheels are arranged at the bottom of the machine frame of the corona machine, the movement of the corona machine is very convenient.
5. Because the supporting rollers are arranged at the lower parts of the two sides of the corona roller, a circular closed loop can be formed by the corona film surface to be detected around the driving roller, the corona roller and the supporting rollers, when the corona film surface to be detected needs to be subjected to corona for multiple times, corona is carried out for multiple times, and the corona effect is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a corona roller configuration;
FIG. 3 is a cross-sectional view at AA in FIG. 2;
fig. 4 is a schematic diagram of relative positions of the electrode sheet and the corona roller.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a corona machine, includes frame 1, sets up corona frame 2 in frame 1, sets up shroud 3 above corona frame 2, set up high frequency high voltage generator 4, water tank 5 and water pump 6 in the frame 1, the intermediate position of corona frame 2 sets up corona roller 21, both ends upper portion is provided with driving roller 22, and electrode slice 31 rigid coupling is in shroud 3 lower part and sets up in corona roller 21 top, electrode slice 31 and high frequency high voltage generator 4 electric connection, electrode slice 31's length is less than corona roller 21's length, set up the cooling water course 213 and the end axle water course 214 of mutual intercommunication in corona roller 21, cooling water course 213 sets up in corona roller 21's roller barrel 212, and end axle water course 214 sets up in corona roller 21's end axle, cooling water course 213's longitudinal section is the ring shape, corona roller 21's end axle's end sets up end axle flange 215, the one end of inlet tube 7 is connected with water pump 6's delivery port, and the other end is connected with the end axle flange 215 of corona roller 21 one side, and the one end of outlet pipe 8 is connected with the water inlet of water tank 5, and the other end is connected with the end axle flange 215 of corona roller 21 opposite side, and the delivery port of water tank 5 is connected with water pump 6's water inlet, corona roller 21 sets up heat conduction silica gel layer 211 in the outside of roller 212.
The frame 1 is provided with a partition plate 12 and a bottom plate 13, the water tank 5 and the water pump 6 are arranged on the partition plate 12, and the high-frequency high-voltage generator 4 is arranged on the bottom plate 13.
The corona frame 2 is provided with support rollers 23 at the lower parts of two sides of the corona roller 21.
The bottom of the frame 1 is provided with four universal wheels 11, and the number of the universal wheels 11 is four.
The annular area of the annular longitudinal section of the cooling water channel 213 is smaller than the cross-sectional area of the longitudinal section of the end shaft water channel 214.
When corona treatment is performed on the film surface by using the corona machine, the length of the electrode sheet 31 is set to be smaller than the length of the corona roller 21, so that the corona roller 21 is not exposed from both sides of the film surface during corona treatment, and the corona roller 21 is not broken down.
In the corona machine working process, water tank 5, water pump 6, inlet tube 7, corona roller 21 and outlet pipe 8 form a closed loop water-cooling circulation, get back to in the water tank 5 again through water pump 6 with the cooling water in the water tank 5 via water pump 6, inlet tube 7, corona roller 21 and outlet pipe 8, because the donut surface area of the ring shape longitudinal section of cooling water course 213 is less than the sectional area of the longitudinal section of end axle water course 214, so the velocity of flow of cooling water in cooling water course 213 is very fast, can be very fast the heat of absorption membrane face. Because the heat-conducting silica gel is used for replacing the common silica gel to be used as the insulating heat-conducting layer on the surface of the corona roller 21, the heat-conducting effect is enhanced, the high temperature of the film surface can be timely conducted into the circulating cooling water, the temperature of the film surface is reduced, and the corona effect is improved. In actual operation, the temperature of the cooling water is selected to be 5 because the molecules on the membrane surface have insufficient basic energy when polarization and chemical change occur, and the membrane surface tension is insufficient, and the likeoC～8oC。
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a corona machine, includes frame (1), sets up corona frame (2) on frame (1), and corona frame (2) top sets up shroud (3), its characterized in that, set up high frequency high voltage generator (4), water tank (5) and water pump (6) in frame (1), the intermediate position of corona frame (2) sets up corona roller (21), both ends upper portion is provided with driving roller (22), and electrode slice (31) rigid coupling just sets up in corona roller (21) top in shroud (3) lower part, electrode slice (31) and high frequency high voltage generator (4) electric connection, the length of electrode slice (31) is less than the length of corona roller (21), set up cooling water course (213) and end axle water course (214) that communicate each other in corona roller (21), cooling water course (213) set up in roller (212) of corona roller (21), and end axle water course (214) set up in the end axle of corona roller (21), the longitudinal section of cooling water course (213) is ring shape, the tip of the end shaft of corona roller (21) sets up end shaft flange (215), and the one end of inlet tube (7) is connected with the delivery port of water pump (6), and the other end is connected with end shaft flange (215) of corona roller (21) one side, and the one end of outlet pipe (8) is connected with the water inlet of water tank (5), and the other end is connected with end shaft flange (215) of corona roller (21) opposite side, and the delivery port of water tank (5) is connected with the water inlet of water pump (6), corona roller (21) sets up heat conduction silica gel layer (211) in the outside of roller (212).
2. A corona machine according to claim 1, characterized in that the frame (1) is provided with a partition (12) and a bottom plate (13), the water tank (5) and the water pump (6) being provided on the partition (12), and the high-frequency high-voltage generator (4) being provided on the bottom plate (13).
3. A corona machine according to claim 1, characterized in that said corona frame (2) is provided with support rollers (23) at the lower part of both sides of the corona roller (21).
4. A corona machine according to claim 1, wherein universal wheels (11) are provided at the bottom of said machine frame (1), said universal wheels (11) being four in number.
5. A corona machine according to claim 1, wherein said annular longitudinal section of said cooling water channel (213) has an annular area smaller than the cross-sectional area of the longitudinal section of said end shaft water channel (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737589.1U CN210190674U (en) | 2019-05-22 | 2019-05-22 | Corona machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920737589.1U CN210190674U (en) | 2019-05-22 | 2019-05-22 | Corona machine |
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| Publication Number | Publication Date |
|---|---|
| CN210190674U true CN210190674U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920737589.1U Active CN210190674U (en) | 2019-05-22 | 2019-05-22 | Corona machine |
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| CN (1) | CN210190674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366397A (en) * | 2022-07-20 | 2022-11-22 | 上海缘源印刷有限公司 | Corona machine for thin film surface treatment |
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2019
- 2019-05-22 CN CN201920737589.1U patent/CN210190674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366397A (en) * | 2022-07-20 | 2022-11-22 | 上海缘源印刷有限公司 | Corona machine for thin film surface treatment |
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