CN110902428A - Servo micropressure paper feeder - Google Patents
Servo micropressure paper feeder Download PDFInfo
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- CN110902428A CN110902428A CN201911256598.XA CN201911256598A CN110902428A CN 110902428 A CN110902428 A CN 110902428A CN 201911256598 A CN201911256598 A CN 201911256598A CN 110902428 A CN110902428 A CN 110902428A
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- Prior art keywords
- paper
- servo
- transfer
- roller
- micropressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
- B65H5/226—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
Abstract
The invention provides a servo micropressure paper feeder, which comprises a paper delivering part and a paper feeding part, wherein the paper delivering part is used for delivering a paper board to the paper feeding part; the paper conveying part comprises a servo motor and a paper conveying mechanism driven by the servo motor, the paper conveying part comprises a lower adsorption vacuum conveying mechanism and an adhesive roller, the lower adsorption vacuum conveying mechanism and the adhesive roller are driven by the servo motor, and the conveying speed of the adhesive roller is consistent with that of the lower adsorption vacuum conveying mechanism. The invention does not require the paper feeding part to feed the paper board to completely cover the air duct, and can continuously and accurately convey the paper board to the next position only by conveying the paper board to the lower part of the flexible adhesive roller, thereby ensuring that the paper board is smoothly and accurately conveyed to the next working procedure.
Description
Technical Field
The invention relates to the field of corrugated board conveying, in particular to a servo micropressure paper feeder.
Background
Corrugated carton machinery has been developed from simple hand machines, semi-automatic machines to computer full-automatic machines in recent decades. The paper feeding part also generates chain manual paper feeding, paper pushing plate paper feeding driven by a crank guide rod, vacuum adsorption front edge paper feeding and the like according to different equipment and requirements. The chain paper feeding is that an operator puts a paper board on the paper feeding table and pushes the paper board to the lower part of a working roller by push plates on a plurality of rows of chains. Its advantages are high labour intensity, low efficiency and inaccurate paper feeding. The paper pushing plate paper feeding, the vacuum adsorption front edge paper feeding and the like are that paper boards are orderly stacked on a paper feeding table board, after work, the paper board to be printed or grooved is automatically pushed to the lower part of a conveying traction rubber roller, and the paper board is clamped to the lower part of a working roller by the rubber roller and a lower traction roller, so that continuous operation is realized. The problem arises that the positive pressure of the conveying pulling rubber roller and the lower pulling roller tends to crush corrugated paper boards, and the positive pressure is too small to pull out the paper boards from the lowest edge of the paper board pile. According to measurement and calculation, the positive pressure of the upper and lower traction rollers can reach more than 20 times of the pressure generated by the working rollers on the paperboard. Therefore, the strength of the corrugated board after printing, slotting or die cutting is reduced by at least 20 percent, and for a carton factory with strict requirements on the strength of the carton, the requirement is met only by increasing the gram weight of the corrugated board per square centimeter, and the cost of the carton is increased. According to preliminary statistics, the production capacity of a 100-sheet-per-minute aqueous printing and grooving machine is calculated according to the production net time of 5 hours per day and the working day of 200 days per year. The cost increased by increasing the gram weight of corrugated paper per square centimeter can reach 40-60 ten thousand yuan each year. Although the chain paper feeding does not have the phenomenon of collapse, the paper feeding precision is too low and the speed is too low. The paper feeding precision of the paper pushing plate and the front edge paper feeding precision are higher, but the crushing phenomenon exists, so the cost of the paper plate is increased.
The prior paper conveying mechanism without damaging corrugated boards has the following requirements for normal operation: 1. the fan generates sufficient wind power; 2. the automatic paper feeding part has to convey the paper board to the vacuum suction box and cover the suction opening, and the paper board can be adsorbed on the vacuum suction box only when the two conditions are met, and enough negative pressure is generated to ensure that the paper board has enough friction with the conveying roller wheel, so that the paper board can be continuously and accurately conveyed to the next working position. However, when the paper sheet conveyed by the automatic paper feeding unit does not cover the suction opening of the vacuum suction box or sufficient wind power is not generated by the fan, the paper sheet cannot be continuously and accurately conveyed.
Disclosure of Invention
The invention aims to provide a servo micro-pressure type paper feeder to solve the technical defect that paper cannot be continuously and accurately conveyed until an air suction port of a vacuum air suction box is not covered by a paperboard or a fan cannot generate enough wind power in the prior art.
In order to achieve the above object, the present invention provides a servo micro-pressure paper feeder, comprising a paper feeding part and a paper feeding part, wherein the paper feeding part is used for conveying a paper board to the paper feeding part, and the paper feeding part is used for conveying the paper board to a printing part; the paper conveying part comprises a servo motor and a paper conveying mechanism driven by the servo motor, the paper conveying part comprises a lower adsorption vacuum conveying mechanism and an adhesive roller, the lower adsorption vacuum conveying mechanism and the adhesive roller are driven by the servo motor, and the conveying speed of the adhesive roller is consistent with that of the lower adsorption vacuum conveying mechanism.
Preferably, the lower adsorption vacuum conveying mechanism comprises a fan, an air box and a transmission roller, the fan is driven by a servo motor, the transmission roller is arranged on the air box and is provided with a plurality of transmission wheels in a penetrating mode, an air duct is formed in an upper panel of the air box and is located on two sides of the transmission wheels, and the adhesive roller and the transmission wheels are identical in rotating direction and linear speed.
Preferably, the adhesive roller is a flexible roller coated with dedusting glue on the surface.
Preferably, an electrostatic brush dust removing mechanism is provided above the air box at the inlet of the paper feeding portion, the electrostatic brush dust removing mechanism including an electrostatic producing device for generating static electricity and a brush sheet set for removing dust.
Preferably, the transfer mechanism includes a transfer roll having a plurality of transfer rollers disposed therethrough.
The invention does not require the paper feeding part to feed the paper boards to completely cover the air duct, and can continuously and accurately convey the paper boards to the next position just by feeding the paper boards below the flexible adhesive roller, and simultaneously achieve the aim of removing dust on the surfaces of the paper boards. Thus, the requirements on the width of the paper board and the feeding amount of the paper feeding part are greatly reduced, and conditions are created for fine printing.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a servo micro-pressure paper feeder according to the present invention.
Wherein, 1, a paper transfer part; 11. a servo motor; 12. a paper transfer mechanism; 2. a paper feeding section; 21. a lower adsorption vacuum transfer mechanism; 211. a fan; 212. an air box; 213. a transfer roller; 22. sticking a roller; 3. an electrostatic brush dust removal mechanism.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1, the present invention provides a servo micro-pressure paper feeder, which comprises a paper feeding portion 1 and a paper feeding portion 2, wherein the paper feeding portion 1 is used for conveying a paper board to the paper feeding portion 2, and the paper feeding portion 2 is used for conveying the paper board to a printing portion; the paper conveying part 1 comprises a servo motor 11 and a paper conveying mechanism 12 driven by the servo motor 11, the paper conveying part 2 comprises a lower adsorption vacuum conveying mechanism 21 and an adhesive roller 22, the lower adsorption vacuum conveying mechanism 21 and the adhesive roller 22 are driven by the servo motor 11, and the conveying speeds of the adhesive roller 22 and the lower adsorption vacuum conveying mechanism 21 are the same.
The sheet transfer mechanism 12 is driven by a servo drive motor, and the sheet is transferred to the sheet feeding section 2 through the sheet transfer mechanism 12. The lower suction vacuum transport mechanism 21 of the paper feeding section 2 generates a negative pressure to the paper sheet, and the paper sheet and the lower suction vacuum transport mechanism 21 generate a negative pressure to generate a frictional force, thereby ensuring that the paper sheet can be transported to the printing section by the lower suction vacuum transport mechanism 21. The adhesive roller 22 is in accordance with the conveying speed of the lower suction vacuum conveying mechanism 21, and generates friction force with the paper board, and the adhesive roller 22 can clean the paper dust on the paper board.
Preferably, the lower absorbing vacuum conveying mechanism 21 includes a blower 211, a wind box 212 and a transmission roller 213, the blower 211 is driven by the servo motor 11, the transmission roller 213 is disposed on the wind box 212 and the transmission roller 213 is provided with a plurality of transmission wheels, an air duct is disposed on an upper panel of the wind box 212, the air duct is located on two sides of the transmission wheels, and the rotation directions of the adhesive roller 22 and the transmission wheels are the same and the linear speeds are the same.
The fan 211 generates wind and blows the wind through the wind channel on the wind box 212, and since the present embodiment does not need to ensure that the cardboard completely covers the wind channel, the negative pressure generated is small, and the friction generated is small. However, since the working roll used in this embodiment is the adhesive roll 22, friction force is generated with the paper sheet due to the viscosity of the working roll, and the adhesive roll 22 and the transfer wheel rotate in the same direction and at the same linear speed, smooth and accurate transfer of the paper sheet to the printing portion can be ensured. Even if the friction force generated by insufficient wind power is small, the paper board can be smoothly and accurately conveyed to the printing part. The servo motor 11 is adopted to drive the fan 211, so that no pressure loss can be ensured, and the suction force of the air box 212 is strong. The servo motor 11 can be adjusted by frequency conversion; the servo motor 11 can also ensure the linear speed of the transfer wheel to be stable and reliable, the paper is delivered without slippage, and the paper feeding position is more accurate until the paper is fed into the printing part. The distance between the adhesive roller 22 and the transfer wheel is set according to the rotating speed of the adhesive roller 22 and the transfer wheel to ensure that a larger friction coefficient is generated against the negative pressure of the fan 211
Preferably, the adhesive roll 22 is a flexible roll coated with a dusting paste on the surface.
Since the adhesive roll 22 is a flexible roll coated with a dust removing paste on the surface, the hardness of the adhesive roll 22 is low. The surface of the corrugated board is coated with the dedusting glue, so that the friction coefficient is larger and smaller than the elastic deformation force of the corrugated board, the corrugated board cannot be subjected to plastic deformation, and the strength of the corrugated board cannot be damaged; the higher friction coefficient can help the lower suction vacuum transfer mechanism 21 to smoothly and accurately transfer the paperboard to the next process. The dust removal glue can remove the paper scraps and dust which are not removed completely, and creates good conditions for printing high-quality products.
Preferably, an electrostatic brush dust removing mechanism 3 is provided above the air box 212 at the inlet of the paper feeding portion 2, and the electrostatic brush dust removing mechanism 3 includes an electrostatic producing device for generating static electricity and a brush sheet for removing dust.
The static electricity makes the paper dust on the cardboard have the same charge as the cardboard belt, so the paper dust is convenient to be swept away by the brush and is also convenient to be sucked away by the suction pipe, and the residual paper dust can be stuck away by the sticking roller 22 at the rear part of the paper dust.
Preferably, the transfer mechanism 12 includes a transfer roll having a plurality of transfer rollers disposed therethrough.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A servo micropressure paper feeder is characterized by comprising a paper delivering part (1) and a paper feeding part (2), wherein the paper delivering part (1) is used for delivering a paperboard to the paper feeding part (2), and the paper feeding part (2) is used for delivering the paperboard to a printing part; pass paper portion (1) including servo motor (11) and by servo motor (11) driven paper transfer mechanism (12), paper feeding portion (2) are including adsorbing vacuum transport mechanism (21) and adhesive roll (22) down, adsorb vacuum transport mechanism (21) down and adhesive roll (22) by servo motor (11) drive just adhesive roll (22) with the conveying speed who adsorbs vacuum transport mechanism (21) down is unanimous.
2. The servo micropressure paper feeder according to claim 1, characterized in that the lower adsorption vacuum conveying mechanism (21) comprises a fan (211), a bellows (212) and a transfer roller (213), the fan (211) is driven by the servo motor (11), the transfer roller (213) is arranged on the bellows (212) and a plurality of transfer wheels are penetrated on the transfer roller (213), an air duct is arranged on an upper panel of the bellows (212), the air duct is positioned on two sides of the transfer wheels, and the adhesive roller (22) and the transfer wheels have the same rotating direction and the same linear velocity.
3. A servo micropressure sheet feeder according to claim 1, characterized in that the adhesive roller (22) is a flexible roller coated with a dusting paste on its surface.
4. A servo micropressure sheet feeder according to claim 2, characterized in that an electrostatic brush dust removing mechanism (3) is provided above the air box (212) at the inlet of the sheet feeding portion (2), the electrostatic brush dust removing mechanism (3) comprising an electrostatic production device for generating static electricity and a double set of brush plates for removing dust.
5. A servo micropressure sheet feeder according to claim 1, characterized in that the transfer mechanism (12) comprises a transfer roller, on which a plurality of transfer rollers are pierced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256598.XA CN110902428A (en) | 2019-12-10 | 2019-12-10 | Servo micropressure paper feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256598.XA CN110902428A (en) | 2019-12-10 | 2019-12-10 | Servo micropressure paper feeder |
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| Publication Number | Publication Date |
|---|---|
| CN110902428A true CN110902428A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256598.XA Pending CN110902428A (en) | 2019-12-10 | 2019-12-10 | Servo micropressure paper feeder |
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| CN (1) | CN110902428A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543760B1 (en) * | 2000-08-03 | 2003-04-08 | Emba Machinery Ab | Method and device for successively feeding sheets from a stack of sheets |
| CN103693468A (en) * | 2013-12-31 | 2014-04-02 | 株洲三新包装技术有限公司 | Air box set negative-pressure air draft device of paperboard printer and corrugated paperboard water-based printer |
| CN203805484U (en) * | 2013-12-31 | 2014-09-03 | 株洲三新包装技术有限公司 | Corrugated paper board water-based printer and dust collection device thereof |
| US20160280484A1 (en) * | 2015-04-30 | 2016-09-29 | Theodore Baum | Corrugated Paperboard Box Converting Machine Retrofit For Eliminating Edge Crush Test Degradation |
-
2019
- 2019-12-10 CN CN201911256598.XA patent/CN110902428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543760B1 (en) * | 2000-08-03 | 2003-04-08 | Emba Machinery Ab | Method and device for successively feeding sheets from a stack of sheets |
| CN103693468A (en) * | 2013-12-31 | 2014-04-02 | 株洲三新包装技术有限公司 | Air box set negative-pressure air draft device of paperboard printer and corrugated paperboard water-based printer |
| CN203805484U (en) * | 2013-12-31 | 2014-09-03 | 株洲三新包装技术有限公司 | Corrugated paper board water-based printer and dust collection device thereof |
| US20160280484A1 (en) * | 2015-04-30 | 2016-09-29 | Theodore Baum | Corrugated Paperboard Box Converting Machine Retrofit For Eliminating Edge Crush Test Degradation |
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Application publication date: 20200324 |