CN110671434A - Device for eliminating bearing induced current - Google Patents
Device for eliminating bearing induced current Download PDFInfo
- Publication number
- CN110671434A CN110671434A CN201910919640.5A CN201910919640A CN110671434A CN 110671434 A CN110671434 A CN 110671434A CN 201910919640 A CN201910919640 A CN 201910919640A CN 110671434 A CN110671434 A CN 110671434A
- Authority
- CN
- China
- Prior art keywords
- carbon brush
- current
- bearing
- corona roller
- eliminating
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/002—Conductive elements, e.g. to prevent static electricity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/26—Solid sliding contacts, e.g. carbon brush
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a device for eliminating bearing induced current, which comprises a corona roller and two wall plates, wherein shaft heads at two ends of the corona roller are respectively connected with the two wall plates through bearing seats, a current eliminating mechanism is arranged on the bearing seats, and the current eliminating mechanism comprises carbon brushes always abutted against the shaft heads of the corona roller. According to the invention, the current eliminating mechanism is arranged on the bearing seat, the carbon brush is tightly contacted with the shaft head of the corona roller, and the current is grounded through the copper wire in time after passing through the carbon brush, so that the current does not flow to the bearing seat any more, the damage of the current to the bearing is effectively reduced, the service life of the bearing is prolonged, the maintenance working hour is reduced, and the economic benefit is improved; according to the invention, the carbon brush on the top of the pressure spring is enabled to be in close contact with the shaft head of the corona roller all the time through the adjusting bolt, and the carbon brush can still be in contact with the shaft head of the corona roller even under the condition of abrasion due to the existence of the pressure spring.
Description
Technical Field
The invention relates to the technical field of film production, in particular to a device for eliminating induced current of a bearing.
Background
The BOPP film passes between two electrodes with high voltage, the air between the electrodes is ionized by the high voltage to generate electron current, and an oxidation polarization group is formed on the surface of the film to generate polarity on the surface of the film, so that printing ink is conveniently adsorbed.
As shown in fig. 1, the existing corona treater consists of an electrode, a high potentiometer and a silicon rubber corona roller, when a voltage passes through a certain air gap, continuous discharge is generated, and corona is generated on the surface of a film; in the process, partial induced current on the corona roller can be transmitted to the wallboard through the corona roller shaft head, and then the grounding disappears.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a device for eliminating induced current of a bearing.
The invention provides a device for eliminating bearing induced current, which comprises a corona roller and two wall plates, wherein shaft heads at two ends of the corona roller are respectively connected with the two wall plates through bearing seats, a current eliminating mechanism is arranged on the bearing seats, and the current eliminating mechanism comprises carbon brushes always abutted against the shaft heads of the corona roller.
Preferably, the current eliminating mechanism further comprises a mounting base detachably mounted on the bearing seat, and the carbon brush is detachably mounted on the mounting base.
Preferably, the mounting base is provided with a plurality of waist-shaped holes, and bolts connected with the bearing seats are arranged in the waist-shaped holes.
Preferably, the current eliminating mechanism further comprises an adjusting piece, a first limiting block is arranged on the mounting base, a limiting hole is formed in the first limiting block, the carbon brush is slidably mounted in the limiting hole, and the adjusting piece is connected with the carbon brush and used for adjusting the position of the carbon brush in the limiting hole.
Preferably, the adjusting part comprises an adjusting bolt and a pressure spring, a second limiting block arranged side by side with the first limiting block is further arranged on the mounting base, an adjusting screw hole is formed in the second limiting block, the adjusting bolt is in threaded fit with the adjusting screw hole, the pressure spring is located between the adjusting bolt and the carbon brush, one end of the carbon brush is connected with the adjusting bolt, and the other end of the carbon brush is always abutted to the carbon brush.
According to the device for eliminating the induced current of the bearing, the current eliminating mechanism is arranged on the bearing seat, the carbon brush is in close contact with the shaft head of the corona roller, and the current passes through the carbon brush and then is grounded through the copper wire in time, so that the current does not flow to the bearing seat any more, the damage of the current to the bearing is effectively reduced, the service life of the bearing is prolonged, the maintenance working time is reduced, and the economic benefit is improved; according to the invention, the carbon brush is arranged on the top of the pressure spring through the adjusting bolt, so that the carbon brush is always in close contact with the shaft head of the corona roller, and the carbon brush can still be in contact with the shaft head of the corona roller even under the condition of abrasion due to the existence of the pressure spring; after the carbon brush is operated for a period of time, the adjusting bolt needs to be adjusted to ensure the pressure of the pressure spring, and if the carbon brush is seriously abraded, the carbon brush needs to be replaced.
Drawings
FIG. 1 is a schematic diagram of a prior art corona treater;
FIG. 2 is a schematic structural diagram of an apparatus for eliminating induced current in a bearing according to the present invention;
fig. 3 is a schematic structural diagram of a current cancellation device in an apparatus for canceling bearing induced current according to the present invention.
Detailed Description
Referring to fig. 2 and 3, the invention provides a device for eliminating bearing induced current, which comprises a corona roller 1 and two wall plates 2, wherein shaft heads at two ends of the corona roller 1 are respectively connected with the two wall plates 2 through bearing seats 10, and a current eliminating mechanism is arranged on the bearing seats 10.
The current eliminating mechanism comprises a mounting base 4, a carbon brush 3 and an adjusting piece. The mounting base 4 is provided with a plurality of waist-shaped holes 5, and bolts connected with the bearing seat 10 are arranged in the waist-shaped holes 5. The carbon brush 3 is detachably mounted on the mounting base 4 and is always abutted against the shaft head of the corona roller 1. The mounting base 4 is provided with a first limiting block 6, the first limiting block 6 is provided with a limiting hole, the carbon brush 3 is slidably mounted in the limiting hole, and the adjusting piece is connected with the carbon brush 3 and used for adjusting the position of the carbon brush 3 in the limiting hole.
In this embodiment, the regulating part includes adjusting bolt 7 and pressure spring 8, still is equipped with the second stopper 9 of arranging side by side with first stopper 6 on the mounting base 4, and second stopper 9 is equipped with the regulation screw, and adjusting bolt 7 is connected with regulation screw thread fit, and pressure spring 8 is located between adjusting bolt 7 and the carbon brush 3, and carbon brush 3 one end is connected with adjusting bolt 7 and its other end supports with carbon brush 3 all the time and leans on.
According to the invention, the current eliminating mechanism is arranged on the bearing seat 10, the carbon brush 3 is tightly contacted with the shaft head of the corona roller 1, and the current is grounded through the copper wire after passing through the carbon brush 3 in time, so that the current does not flow to the bearing seat 10 any more, the damage of the current to the bearing is effectively reduced, the service life of the bearing is prolonged, the maintenance man-hour is reduced, and the economic benefit is improved; according to the invention, the pressure spring 8 is pushed up to the carbon brush 3 through the adjusting bolt 7, so that the carbon brush 3 is always in close contact with the shaft head of the corona roller, and the carbon brush can still be in contact with the shaft head of the corona roller 1 even under the condition of abrasion due to the existence of the pressure spring; after the carbon brush 3 runs for a period of time, the adjusting bolt 7 needs to be adjusted to ensure the pressure of the pressure spring 8, and if the carbon brush 3 is seriously abraded, the carbon brush 3 needs to be replaced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a device of elimination bearing induced-current, its characterized in that includes corona roller (1) and two wallboard (2), and corona roller (1) both ends spindle nose passes through the bearing frame to be connected with two wallboard (2) respectively, installs current elimination mechanism on the bearing frame, and current elimination mechanism includes all the time and leans on carbon brush (3) with the spindle nose of corona roller (1).
2. The device for eliminating bearing induced current according to claim 1, wherein the current eliminating mechanism further comprises a mounting base (4) detachably mounted on the bearing seat, and the carbon brush (3) is detachably mounted on the mounting base (4).
3. The device for eliminating bearing induced current according to claim 2, characterized in that a plurality of kidney-shaped holes (5) are arranged on the mounting base (4), and bolts connected with the bearing seat are arranged in the kidney-shaped holes (5).
4. The device for eliminating bearing induced current according to claim 2 or 3, characterized in that the current eliminating mechanism further comprises an adjusting member, a first limiting block (6) is arranged on the mounting base (4), the first limiting block (6) is provided with a limiting hole, the carbon brush (3) is slidably mounted in the limiting hole, and the adjusting member is connected with the carbon brush (3) and is used for adjusting the position of the carbon brush (3) in the limiting hole.
5. The device for eliminating bearing induced current according to claim 4, characterized in that the adjusting piece comprises an adjusting bolt (7) and a pressure spring (8), a second limiting block (9) arranged side by side with the first limiting block (6) is further arranged on the mounting base (4), the second limiting block (9) is provided with an adjusting screw hole, the adjusting bolt (7) is in threaded fit connection with the adjusting screw hole, the pressure spring (8) is located between the adjusting bolt (7) and the carbon brush (3), one end of the carbon brush (3) is connected with the adjusting bolt (7), and the other end of the carbon brush is always abutted against the carbon brush (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919640.5A CN110671434A (en) | 2019-09-26 | 2019-09-26 | Device for eliminating bearing induced current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919640.5A CN110671434A (en) | 2019-09-26 | 2019-09-26 | Device for eliminating bearing induced current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671434A true CN110671434A (en) | 2020-01-10 |
Family
ID=69079365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910919640.5A Pending CN110671434A (en) | 2019-09-26 | 2019-09-26 | Device for eliminating bearing induced current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671434A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200966016Y (en) * | 2006-07-20 | 2007-10-24 | 邯郸钢铁股份有限公司 | A device for eliminating the current on the synchronous motor shaft |
| CN202269080U (en) * | 2011-06-01 | 2012-06-06 | 安徽国风塑业股份有限公司 | Carbon brush device capable of removing static electricity from corona roller |
| CN203406713U (en) * | 2013-06-17 | 2014-01-22 | 宝钢不锈钢有限公司 | Brush holder apparatus capable of linearly adjusting on line |
| CN205583898U (en) * | 2016-05-12 | 2016-09-14 | 中国神华能源股份有限公司 | Mounting structure and generator of carbon brush |
| CN211145141U (en) * | 2019-09-26 | 2020-07-31 | 安徽国风塑业股份有限公司 | Device for eliminating bearing induced current |
-
2019
- 2019-09-26 CN CN201910919640.5A patent/CN110671434A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200966016Y (en) * | 2006-07-20 | 2007-10-24 | 邯郸钢铁股份有限公司 | A device for eliminating the current on the synchronous motor shaft |
| CN202269080U (en) * | 2011-06-01 | 2012-06-06 | 安徽国风塑业股份有限公司 | Carbon brush device capable of removing static electricity from corona roller |
| CN203406713U (en) * | 2013-06-17 | 2014-01-22 | 宝钢不锈钢有限公司 | Brush holder apparatus capable of linearly adjusting on line |
| CN205583898U (en) * | 2016-05-12 | 2016-09-14 | 中国神华能源股份有限公司 | Mounting structure and generator of carbon brush |
| CN211145141U (en) * | 2019-09-26 | 2020-07-31 | 安徽国风塑业股份有限公司 | Device for eliminating bearing induced current |
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