CN108636698B - Coating mechanism for reverse coating - Google Patents
Coating mechanism for reverse coating Download PDFInfo
- Publication number
- CN108636698B CN108636698B CN201810562548.3A CN201810562548A CN108636698B CN 108636698 B CN108636698 B CN 108636698B CN 201810562548 A CN201810562548 A CN 201810562548A CN 108636698 B CN108636698 B CN 108636698B
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- CN
- China
- Prior art keywords
- roller
- glue
- frame
- coating
- conveying
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0821—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by driving means for rollers or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention discloses a coating mechanism for reverse coating, which comprises a frame, wherein a conveying roller group for conveying a base material is arranged on the frame; the glue spreading roller is rotatably arranged on the frame and positioned at one side of the conveying roller set and used for coating and printing the base material; the two sides of the base material respectively and correspondingly lean against the surfaces of the conveying roller group and the glue spreading roller; the first driver is arranged on the frame and used for driving the conveying roller set and the glue spreading roller to rotate in the same direction and traction the substrate to move; the above coating mechanism actively pulls the substrate to move through the conveying roller set, and because the conveying roller set and the glue spreader rotate in the same clockwise direction, when the conveying roller set pulls the substrate to move forwards, the driving force direction of the contact position of the glue spreader and the substrate is backward, so that the function of reversely coating glue is realized, the tensioning degree of the substrate is ensured under the action of the driving force of the mutual reverse directions of the conveying roller set and the glue spreader, and the uniformity and the quality of coating operation can still be ensured under the condition of higher coating speed.
Description
Technical Field
The invention relates to a coating mechanism for reverse coating.
Background
The surface of a base material is required to be coated in the production process of oil-proof and waterproof products such as coated paper, glassine paper and the like, the structure of the existing coating mechanism generally comprises an anilox roller and a coating press roller, the coating press roller is propped against the surface of the anilox roller to drive the anilox roller to rotate by virtue of rotation of the anilox roller, the base material such as paper or film passes through the anilox roller and the coating press roller, when the anilox roller rotates, the rotation directions of the coating press roller and the anilox roller are opposite, the traction directions of the coating press roller and the anilox roller are consistent, and when the coating speed of the base material coating mode is too high, the uniformity degree of the glue amount on the surface of the base material is difficult to ensure, so that the coating quality of the base material can be rapidly reduced; furthermore, the amount of sizing of the substrate is limited by the mesh of the anilox roller, which is small, resulting in an insufficient thickness of the substrate coating.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a coating mechanism of reverse coating, which can ensure coating quality of paper at a high coating speed.
The invention adopts the technical proposal for solving the technical problems that:
A reverse-coating mechanism comprising: the frame is provided with a conveying roller set for conveying the base material; the glue spreading roller is rotatably arranged on the frame and positioned at one side of the conveying roller set and used for coating and printing the base material; the two sides of the base material respectively and correspondingly lean against the surfaces of the conveying roller group and the glue spreading roller; the first driver is arranged on the frame and used for driving the conveying roller set and the glue spreading roller to rotate in the same direction and traction the base material to move.
The surface of the glue spreader is smooth, a scraper roll positioned on one side of the surface of the glue spreader is arranged on the frame, and a first gap allowing the colloid to pass through is arranged between the scraper roll and the surface of the glue spreader.
The doctor roll can be moved closer to or further from the applicator roll to adjust the size of the first gap.
The glue spreader is characterized in that a glue basin is arranged below the glue spreader, the glue spreader part extends into a containing cavity of the glue basin, a side blocking glue plate is further arranged behind the scraper roller along the rotation direction of the glue spreader, and a second gap allowing glue to pass through is formed between the side blocking glue plate and the surface of the glue spreader.
The conveying roller set comprises a traction roller movably arranged on the frame, the first driver is connected with the traction roller to drive the traction roller to rotate, and the traction roller is connected with a lifting driver for driving the traction roller to move upwards or downwards relative to the glue spreading roller.
The front and the rear of the traction roller along the substrate conveying direction are respectively provided with a first tensioning roller and a second tensioning roller.
The first tensioning roller is arranged at one end of the swing arm, the other end of the swing arm is pivoted on the frame, and the swing arm is connected with a swing fixing structure for driving the swing arm to swing and fix.
The second tensioning roller is movably mounted on the frame through an adjusting screw, and the adjusting screw can drive the second tensioning roller to be close to or far away from the glue spreading roller so as to adjust the tensioning degree and the wrap angle of the base material propped against the glue spreading roller.
The beneficial effects of the invention are as follows: a reverse-coating mechanism comprising: the frame is provided with a conveying roller set for conveying the base material; the glue spreading roller is rotatably arranged on the frame and positioned at one side of the conveying roller set and used for coating and printing the base material; the two sides of the base material respectively and correspondingly lean against the surfaces of the conveying roller group and the glue spreading roller; the first driver is arranged on the frame and used for driving the conveying roller set and the glue spreading roller to rotate in the same direction and traction the substrate to move; the coating mechanism with the structure drives the conveying roller set to actively pull the substrate to move through the first driver, and because the conveying roller set and the glue spreading roller rotate in the same clockwise direction, when the conveying roller set pulls the substrate to move forwards, the driving force direction of the contact position of the glue spreading roller and the substrate is backward, so that the function of reversely coating glue is realized, the tensioning degree of the substrate is ensured under the action of the driving force of the mutual reverse directions of the conveying roller set and the glue spreading roller, and the uniformity and the quality of coating operation can still be ensured under the condition of higher coating speed.
Drawings
FIG. 1 is a schematic diagram of the structure of the front view of the present invention;
fig. 2 is a schematic side view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and the detailed description, but it should be understood that the description of the embodiments below is illustrative and not limiting in any way.
Referring to fig. 1 and 2, a reverse-coating mechanism comprises: a frame 1, wherein a conveying roller set 2 for conveying a substrate 10 is arranged on the frame 1; the glue spreader 3 is rotatably arranged on the frame 1 and positioned at one side of the conveying roller set 2 and used for coating and printing the substrate 10, and a second driver 9 used for driving the glue spreader 3 to rotate is arranged on the frame 1, wherein the second driver 9 is a motor connected with the rotating shaft of the glue spreader; the two surfaces of the base material 10 respectively and correspondingly lean against the surfaces of the conveying roller set 2 and the glue spreading roller 3; the first driver 4 is arranged on the frame 1 and is used for driving the conveying roller set 2 and the glue spreading roller 3 to rotate in the same direction and traction the base material 10 to move, and the first driver can be a servo motor or a rotary cylinder and the like. The above coating mechanism actively pulls the substrate 10 to move through the conveying roller set 2, and because the conveying roller set 2 and the glue spreading roller 3 rotate in the same clockwise direction, when the conveying roller set 2 pulls the substrate 10 to move forwards, the driving force of the contact position of the glue spreading roller 3 and the substrate 10 is backward, so that the function of reversely coating glue is realized, the tensioning degree of the substrate 10 is ensured under the action of the driving force of the mutual reverse directions of the conveying roller set 2 and the glue spreading roller 3, and the uniformity and quality of coating operation can be ensured under the condition of higher coating speed.
As a preferred embodiment of the present invention, the surface of the glue spreader 3 is smooth, the frame 1 is provided with a doctor roller 5 located at one side of the surface of the glue spreader 3, a first gap allowing glue to pass is provided between the doctor roller 5 and the surface of the glue spreader 3, the smooth surface of the glue spreader 3 is beneficial to adhering more glue, the glue on the glue spreader 3 passes through the first gap after rotating, so that the thickness of the glue adhered to the glue spreader is more uniform and stable, and compared with the traditional anilox roller, the glue applying amount of the glue spreader 3 can be increased, and the glue spreader is suitable for products with thicker coating thickness. Preferably, the doctor roll 5 can be moved closer to or further from the applicator roll 3 to adjust the size of the first gap and thus the different coating thicknesses.
The glue coating device is characterized in that a glue basin 7 is arranged below the glue coating roller 3, the glue coating roller 3 partially extends into a containing cavity of the glue basin 7, a side blocking glue plate 6 is further arranged behind the scraper roller 5 along the rotation direction of the glue coating roller 3, a second gap allowing glue to pass through is formed between the side blocking glue plate 6 and the surface of the glue coating roller 3, and the thickness of the glue adhered to the glue coating roller is preliminarily adjusted through the second gap.
In this embodiment, the conveying roller set 2 includes a traction roller 21 movably disposed on the frame 1, the first driver 4 is connected with the traction roller 21 to drive the traction roller 21 to rotate, and the traction roller 21 is connected with a lifting driver 8 that drives the traction roller 21 to move up or down relative to the glue roller 3.
Preferably, the pulling roll 21 is provided with a first tension roll 22 and a second tension roll 23 respectively at the front and rear in the conveying direction of the substrate 10. The first tensioning roller 22 is disposed at one end of the swing arm 11, the other end of the swing arm 11 is pivoted on the frame 1, the swing arm 11 is connected with a swing fixing structure for driving the swing arm 11 to swing and fix, and the swing fixing structure can be an air cylinder connected with the swing arm 11 or a stepping motor for driving the swing arm to rotate clockwise or anticlockwise, etc. The degree of tension of the first tensioning roller 22 against the substrate 10 can be adjusted by the swing fixing structure.
The second tensioning roller 23 is movably mounted on the frame 1 through the adjusting screw 12, the adjusting screw 12 can drive the second tensioning roller 23 to be close to or far away from the glue spreading roller 3 so as to adjust the tensioning degree and the wrap angle of the base material 10 propped against the glue spreading roller 3, the adjusting screw is rotationally arranged on the frame, an adjusting nut matched with the adjusting screw is arranged on the second tensioning roller, the relative position of the second tensioning roller 23 and the glue spreading roller 3 can be adjusted through rotating the adjusting screw, the tensioning degree of the base material 10 propped against the glue spreading roller 3 can be adjusted, and meanwhile the wrap angle of the base material 10 propped against the glue spreading roller 3 can be adjusted.
The foregoing is merely a preferred embodiment of the present invention, and is not limited to the above specific embodiment, as long as the technical solution for achieving the object of the present invention by substantially the same means falls within the scope of the present invention.
Claims (1)
1. A reverse-coating mechanism comprising:
the frame is provided with a conveying roller set for conveying the base material;
The glue spreading roller is rotatably arranged on the frame and positioned at one side of the conveying roller set and used for coating and printing the base material;
the two sides of the base material respectively and correspondingly lean against the surfaces of the conveying roller group and the glue spreading roller;
The method is characterized in that:
the first driver is arranged on the frame and used for driving the conveying roller set and the glue spreading roller to rotate in the same direction and traction the substrate to move;
The surface of the glue spreading roller is smooth, a scraper roller positioned on one side of the surface of the glue spreading roller is arranged on the frame, and a first gap allowing colloid to pass through is arranged between the scraper roller and the surface of the glue spreading roller;
the scraper roller can be close to or far away from the glue spreading roller so as to adjust the size of the first gap;
A glue basin is arranged below the glue spreader, the glue spreader part extends into a containing cavity of the glue basin, a side blocking glue plate is further arranged behind the scraper roller along the rotation direction of the glue spreader, and a second gap allowing glue to pass through is formed between the side blocking glue plate and the surface of the glue spreader;
the conveying roller set comprises a traction roller movably arranged on the frame, the first driver is connected with the traction roller to drive the traction roller to rotate, and the traction roller is connected with a lifting driver for driving the traction roller to move upwards or downwards relative to the glue spreading roller;
the front and the rear of the traction roller along the substrate conveying direction are respectively provided with a first tensioning roller and a second tensioning roller;
the first tensioning roller is arranged at one end of the swing arm, the other end of the swing arm is pivoted on the frame, and the swing arm is connected with a swing fixing structure for driving the swing arm to swing and fix;
The second tensioning roller is movably mounted on the frame through an adjusting screw, and the adjusting screw can drive the second tensioning roller to be close to or far away from the glue spreading roller so as to adjust the tensioning degree and the wrap angle of the base material propped against the glue spreading roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562548.3A CN108636698B (en) | 2018-06-04 | 2018-06-04 | Coating mechanism for reverse coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562548.3A CN108636698B (en) | 2018-06-04 | 2018-06-04 | Coating mechanism for reverse coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108636698A CN108636698A (en) | 2018-10-12 |
| CN108636698B true CN108636698B (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810562548.3A Active CN108636698B (en) | 2018-06-04 | 2018-06-04 | Coating mechanism for reverse coating |
Country Status (1)
| Country | Link |
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| CN (1) | CN108636698B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834009B (en) * | 2019-01-30 | 2021-09-10 | 汕头市华鹰软包装设备总厂有限公司 | Large-wrap-angle multifunctional compression roller device |
| CN110328097A (en) * | 2019-08-23 | 2019-10-15 | 东莞市宇澔新材料有限公司 | A kind of novel coating machine |
| CN110605217B (en) * | 2019-09-18 | 2024-08-13 | 河南壮凌智能设备有限公司 | Full-automatic coating machine |
| CN116713347B (en) * | 2023-08-10 | 2023-11-03 | 太原科技大学 | Variable wrap angle compaction device for metal ultrathin strip used for stretching, bending and straightening process |
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| CN1595587A (en) * | 2003-04-25 | 2005-03-16 | 烟台正海电子网板有限公司 | A secondary glue applying method in shadow mask production process and dedicated equipment |
| CN201103088Y (en) * | 2007-09-17 | 2008-08-20 | 邸宝谦 | Mixed plastic rubber paving device |
| CN201988489U (en) * | 2011-02-26 | 2011-09-28 | 潍坊胜达塑胶有限公司 | Glue spreading device of coating machine for producing electronic protective film |
| CN202398491U (en) * | 2011-12-05 | 2012-08-29 | 佛山市南海高拓包装材料有限公司 | Reverse coating device |
| CN103537401A (en) * | 2012-07-13 | 2014-01-29 | 中国科学院深圳先进技术研究院 | Coating equipment for coating sizing agent on metal base material, method and coating mechanism |
| CN204564447U (en) * | 2014-08-06 | 2015-08-19 | 张晓臣 | A kind of release liners automatic double surface gluer |
| CN206500339U (en) * | 2017-02-27 | 2017-09-19 | 无锡和烁丰新材料有限公司 | A kind of reverse coating system of multi-function coating machine |
| CN208712055U (en) * | 2018-06-04 | 2019-04-09 | 中山松德新材料装备有限公司 | A coating mechanism for reverse coating |
-
2018
- 2018-06-04 CN CN201810562548.3A patent/CN108636698B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595587A (en) * | 2003-04-25 | 2005-03-16 | 烟台正海电子网板有限公司 | A secondary glue applying method in shadow mask production process and dedicated equipment |
| CN201103088Y (en) * | 2007-09-17 | 2008-08-20 | 邸宝谦 | Mixed plastic rubber paving device |
| CN201988489U (en) * | 2011-02-26 | 2011-09-28 | 潍坊胜达塑胶有限公司 | Glue spreading device of coating machine for producing electronic protective film |
| CN202398491U (en) * | 2011-12-05 | 2012-08-29 | 佛山市南海高拓包装材料有限公司 | Reverse coating device |
| CN103537401A (en) * | 2012-07-13 | 2014-01-29 | 中国科学院深圳先进技术研究院 | Coating equipment for coating sizing agent on metal base material, method and coating mechanism |
| CN204564447U (en) * | 2014-08-06 | 2015-08-19 | 张晓臣 | A kind of release liners automatic double surface gluer |
| CN206500339U (en) * | 2017-02-27 | 2017-09-19 | 无锡和烁丰新材料有限公司 | A kind of reverse coating system of multi-function coating machine |
| CN208712055U (en) * | 2018-06-04 | 2019-04-09 | 中山松德新材料装备有限公司 | A coating mechanism for reverse coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108636698A (en) | 2018-10-12 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaoling Inventor after: Gan Deshao Inventor after: Guo Xiaochun Inventor after: Tang Weifeng Inventor after: Guan Jian Hua Inventor before: Zhang Xiaoling Inventor before: Gan Deshao Inventor before: Guo Xiaochun Inventor before: Tang Weifeng Inventor before: Guan Jian |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240327 Address after: Building 3, No. 35 Dongfu North Road, Nantou Town, Zhongshan City, Guangdong Province, 528400 Applicant after: Zhongshan Youlu Zhide Digital Technology Co.,Ltd. Country or region after: China Address before: No. 180, Tongfu Middle Road, Nantou Town, Zhongshan City, Guangdong Province, 528400 Applicant before: ZHONGSHAN SOTECH NEW MATERIAL EQUIPMENT Co.,Ltd. Country or region before: China |
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