CN110775371A - Electromagnetic eddy heating laminator - Google Patents
Electromagnetic eddy heating laminator Download PDFInfo
- Publication number
- CN110775371A CN110775371A CN201911064221.4A CN201911064221A CN110775371A CN 110775371 A CN110775371 A CN 110775371A CN 201911064221 A CN201911064221 A CN 201911064221A CN 110775371 A CN110775371 A CN 110775371A
- Authority
- CN
- China
- Prior art keywords
- heating roller
- electromagnetic
- heating
- temperature sensor
- electromagnetic coil
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/02—Applying adhesives or sealing liquids
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/22—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element being a thermocouple
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to an electromagnetic eddy current heating laminator, which comprises a first heating roller and a second heating roller which are arranged in parallel, wherein two ends of the first heating roller are respectively provided with a first conductive column, two ends of the second heating roller are respectively provided with a second conductive column, the first conductive column and the second conductive column at one end are connected through a first electrode, the first conductive column and the second conductive column at the other end are connected through a second electrode, a first electromagnetic coil is arranged inside the first heating roller, two ends of the first electromagnetic coil are respectively connected with the two first conductive columns, a second electromagnetic coil is arranged inside the second heating roller, two ends of the second electromagnetic coil are respectively connected with the two second conductive columns, a high-frequency current driving plate is electrically connected with the first electromagnetic coil and the second electromagnetic coil, the high-frequency current is electrically connected with a first temperature sensor and a second temperature sensor, the first temperature sensor is positioned inside the first heating roller, the second temperature sensor is located in the second heating roller. The invention has the advantages of high heating speed and uniform heating.
Description
Technical Field
The invention relates to the field of laminating machines, in particular to a laminating machine heated by electromagnetic eddy current.
Background
The laminator is a necessary machine in the offset printing industry, and the sealed object is bonded in the plastic film by processing of the laminator, the traditional laminator heating mode adopts an electric heating block to heat the iron roller, and the heating mode adopts a heat conduction heating mode to heat, so that the preheating speed is slow, and the heating is uneven.
Disclosure of Invention
The invention aims to provide a gluing machine heated by electromagnetic eddy current.
The invention realizes the purpose through the following technical scheme: an electromagnetic eddy current heating laminator comprises a first heating roller and a second heating roller which are arranged in parallel, wherein two ends of the first heating roller are respectively provided with a first conductive column, two ends of the second heating roller are respectively provided with a second conductive column, the first conductive column and the second conductive column at one end are connected through a first electrode, the first conductive column and the second conductive column at the other end are connected through a second electrode, the polarities of the first electrode and the second electrode are opposite, a first electromagnetic coil is arranged inside the first heating roller, two ends of the first electromagnetic coil are respectively connected with the two first conductive columns, a second electromagnetic coil is arranged inside the second heating roller, two ends of the second electromagnetic coil are respectively connected with the two second conductive columns, the electromagnetic eddy current heating laminator further comprises a high-frequency current drive plate, and the high-frequency current drive plate is electrically connected with the first electromagnetic coil and the second electromagnetic coil, the high-frequency current driving plate is electrically connected with a first temperature sensor and a second temperature sensor, the first temperature sensor is located in the first heating roller, and the second temperature sensor is located in the second heating roller.
Further, a gap is formed between the first heating roller and the second heating roller.
Further, the first heating roller and the second heating roller rotate in opposite directions.
Further, the first electromagnetic coils are distributed along the length direction of the first heating roller.
Further, the second electromagnetic coils are distributed along the length direction of the second heating roller.
Further, the first temperature sensor and the second temperature sensor are thermocouples.
Compared with the prior art, the electromagnetic eddy current heating laminator has the beneficial effects that: the eddy current generated by the high-frequency magnetic field generated by the high-frequency current is used for directly heating, the heating speed is high, the heating time of the heating roller is shortened, the overall heating roller is uniformly and quickly heated by the electromagnetic eddy current heating mode, and the defect of traditional heating is overcome.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic eddy current heated laminator.
Fig. 2 is another angle schematic of fig. 1.
Fig. 3 is an enlarged schematic view of a part of the structure of fig. 1.
Fig. 4 is a cross-sectional view of fig. 1.
Fig. 5 is a connection diagram of the high-frequency current drive board, the electromagnetic coil, and the temperature sensor.
Detailed Description
Referring to fig. 1 to 5, an electromagnetic eddy current heated laminator includes a first heating roller 1 and a second heating roller 2 disposed in parallel, wherein a gap is formed between the first heating roller 1 and the second heating roller 2. Both ends of the first heating roller 1 are mounted on the first fixing plate 3 and the second fixing plate 4, respectively, and both ends of the second heating roller 2 are mounted on the first fixing plate 3 and the second fixing plate 4, respectively.
The first fixing plate 3 is provided with a motor 5, and the motor 5 is fixed with the first fixing plate 3 through a motor mounting column 51. The output end of the motor 5 is provided with a driving gear 6, the end part of the first heating roller 1 is provided with a first driven gear 7, the end part of the second heating roller 2 is provided with a second driven gear 8, the driving gear 6 is meshed with the first driven gear 7, and the first driven gear 7 is meshed with the second driven gear 8. The motor 5 drives the driving gear 6 to rotate, the driving gear 6 drives the first driven gear 7 to rotate, the first driven gear 7 drives the second driven gear 8 to rotate, the first driven gear 7 drives the first heating roller 1 to rotate, the second driven gear 8 drives the second heating roller 2 to rotate, and the rotating directions of the first heating roller 1 and the second heating roller 2 are opposite.
The two ends of the first heating roller 1 are provided with first conductive posts 11, and the two ends of the second heating roller 2 are provided with second conductive posts 21. The first conductive pillar 11 and the second conductive pillar 21 at one end are connected by the first electrode 9, and the first conductive pillar 11 and the second conductive pillar 21 at the other end are connected by the second electrode 10. The first electrode 9 is of opposite polarity to the second electrode 10.
The first electromagnetic coil 12 is arranged inside the first heating roller 1, the first electromagnetic coil 12 is distributed along the length direction of the first heating roller 1, and two ends of the first electromagnetic coil 12 are respectively connected with the two first conductive posts 11.
The second electromagnetic coil 22 is arranged inside the second heating roller 2, the second electromagnetic coil 22 is distributed along the length direction of the second heating roller 2, and two ends of the second electromagnetic coil 22 are respectively connected with the two second conductive columns 21.
The utility model provides a gluing machine of electromagnetic eddy current heating, still includes the high frequency current drive plate, high frequency current drive plate and first solenoid and second solenoid electric connection, high frequency current drive plate electric connection has first temperature sensor and second temperature sensor, and first temperature sensor is located first warming mill 1, and second temperature sensor is located second warming mill 2. The first temperature sensor and the second temperature sensor are thermocouples.
The high-frequency current drive board loads high-frequency current with the frequency of 15-50 KHZ, 150-300V and 3-15A to the electromagnetic coil, and a high-frequency alternating magnetic field formed by the high-frequency current generates an internal vortex in the heating roller under the action of the high-frequency magnetic field, the vortex continuously changes the direction, and heat is generated in the heating roller to heat. The temperature of the heating roller is collected by a built-in thermocouple and is transmitted to a high-frequency current drive board, the high-frequency current drive board drives high-frequency current to adopt an intermittent pulse form, and the electromagnetic heating power is adjusted by adjusting the density of an intermittent switch, so that the electromagnetic heating roller quickly reaches a set temperature value.
The invention utilizes the eddy current generated by the high-frequency magnetic field generated by the high-frequency current to directly heat, has high heating speed, reduces the heating time of the heating roller, and overcomes the defects of the traditional heating by uniformly and quickly heating the whole heating roller in an electromagnetic eddy current heating mode.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a gluing machine of electromagnetic eddy current heating which characterized in that: the gluing machine comprises a first heating roller and a second heating roller which are arranged in parallel, wherein two ends of the first heating roller are respectively provided with a first conductive column, two ends of the second heating roller are respectively provided with a second conductive column, the first conductive column and the second conductive column at one end are connected through a first electrode, the first conductive column and the second conductive column at the other end are connected through a second electrode, the polarities of the first electrode and the second electrode are opposite, a first electromagnetic coil is arranged in the first heating roller, two ends of the first electromagnetic coil are respectively connected with the two first conductive columns, a second electromagnetic coil is arranged in the second heating roller, two ends of the second electromagnetic coil are respectively connected with the two second conductive columns, the gluing machine for electromagnetic eddy current heating further comprises a high-frequency current driving plate, and the high-frequency current driving plate is electrically connected with the first electromagnetic coil and the second electromagnetic coil, the high-frequency current driving plate is electrically connected with a first temperature sensor and a second temperature sensor, the first temperature sensor is located in the first heating roller, and the second temperature sensor is located in the second heating roller.
2. An electromagnetic eddy current heated laminator according to claim 1, wherein: a gap is formed between the first heating roller and the second heating roller.
3. An electromagnetic eddy current heated laminator according to claim 1, wherein: the first heating roller and the second heating roller rotate in opposite directions.
4. An electromagnetic eddy current heated laminator according to claim 1, wherein: the first electromagnetic coils are distributed along the length direction of the first heating roller.
5. An electromagnetic eddy current heated laminator according to claim 1, wherein: the second electromagnetic coils are distributed along the length direction of the second heating roller.
6. An electromagnetic eddy current heated laminator according to claim 1, wherein: the first temperature sensor and the second temperature sensor are thermocouples.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064221.4A CN110775371A (en) | 2019-11-04 | 2019-11-04 | Electromagnetic eddy heating laminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064221.4A CN110775371A (en) | 2019-11-04 | 2019-11-04 | Electromagnetic eddy heating laminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110775371A true CN110775371A (en) | 2020-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911064221.4A Pending CN110775371A (en) | 2019-11-04 | 2019-11-04 | Electromagnetic eddy heating laminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110775371A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0818373B2 (en) * | 1990-04-06 | 1996-02-28 | ソマール株式会社 | Laminator |
| CN2622741Y (en) * | 2003-05-12 | 2004-06-30 | 黄克 | Electromechanic heating roller |
| CN201752951U (en) * | 2010-08-11 | 2011-03-02 | 深圳市精业天成电子有限公司 | Binding machine reversible-turn driving device |
| CN103072366A (en) * | 2013-01-17 | 2013-05-01 | 宁波为创办公设备有限公司 | Forward and reverse rotation driving mechanism for laminator and laminator |
| CN205522861U (en) * | 2016-03-09 | 2016-08-31 | 东莞市盆景办公设备有限公司 | Need not wait for gluing machine who preheats |
| CN108945682A (en) * | 2018-07-27 | 2018-12-07 | 东莞福泰电子有限公司 | A kind of gluing machine |
| CN208523015U (en) * | 2018-06-27 | 2019-02-19 | 扬州瘦西湖仪表有限公司 | Hot-rolling heating device with external radio-frequency induction coil coil structures |
| CN110216888A (en) * | 2019-07-15 | 2019-09-10 | 江苏欧密科技有限公司 | A kind of laminator voluntarily high speed heating rubber roller |
| CN110248436A (en) * | 2019-07-15 | 2019-09-17 | 江苏欧密科技有限公司 | A kind of laminator fast heating structure |
-
2019
- 2019-11-04 CN CN201911064221.4A patent/CN110775371A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0818373B2 (en) * | 1990-04-06 | 1996-02-28 | ソマール株式会社 | Laminator |
| CN2622741Y (en) * | 2003-05-12 | 2004-06-30 | 黄克 | Electromechanic heating roller |
| CN201752951U (en) * | 2010-08-11 | 2011-03-02 | 深圳市精业天成电子有限公司 | Binding machine reversible-turn driving device |
| CN103072366A (en) * | 2013-01-17 | 2013-05-01 | 宁波为创办公设备有限公司 | Forward and reverse rotation driving mechanism for laminator and laminator |
| CN205522861U (en) * | 2016-03-09 | 2016-08-31 | 东莞市盆景办公设备有限公司 | Need not wait for gluing machine who preheats |
| CN208523015U (en) * | 2018-06-27 | 2019-02-19 | 扬州瘦西湖仪表有限公司 | Hot-rolling heating device with external radio-frequency induction coil coil structures |
| CN108945682A (en) * | 2018-07-27 | 2018-12-07 | 东莞福泰电子有限公司 | A kind of gluing machine |
| CN110216888A (en) * | 2019-07-15 | 2019-09-10 | 江苏欧密科技有限公司 | A kind of laminator voluntarily high speed heating rubber roller |
| CN110248436A (en) * | 2019-07-15 | 2019-09-17 | 江苏欧密科技有限公司 | A kind of laminator fast heating structure |
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Application publication date: 20200211 |