CN211733270U - Winder of online real-time adjustment line pressure - Google Patents
Winder of online real-time adjustment line pressure Download PDFInfo
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- CN211733270U CN211733270U CN202020027106.1U CN202020027106U CN211733270U CN 211733270 U CN211733270 U CN 211733270U CN 202020027106 U CN202020027106 U CN 202020027106U CN 211733270 U CN211733270 U CN 211733270U
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Abstract
A paper winder for online real-time adjustment of line pressure comprises a frame, a paper winding cylinder, a paper winding roller, a main arm mechanism and a DCS control system; the main arm mechanism comprises a main arm, a pinch roller, a main arm support, a main arm air cylinder, an air cylinder support, a proportional valve and a distance sensor, wherein the proportional valve is connected with the main arm air cylinder, and the distance sensor detects the diameter of a paper roll on the paper roll in real time on line; and the DCS control system is connected with a main arm cylinder, a proportional valve and a distance sensor of the main arm mechanism. The DCS control system compares the calculated diameter of the paper roll obtained through calculation with the diameter of the paper roll detected by the distance sensor in real time on line, and adjusts the proportional valve to control the main arm cylinder to pressurize or depressurize according to the comparison, so that the line pressure between the paper rolling roll and the paper rolling cylinder is adjusted, the filling power of the paper roll is kept consistent front and back, and the filling power of the paper roll is improved.
Description
Technical Field
The utility model relates to a winder especially relates to a winder of online real-time adjustment line pressure.
Background
The main arm paper roller of the original paper winder adopts the cylinder pressure to be constant, but when the paper roller is small, the line pressure between the paper roller and the paper winding cylinder is larger due to smaller resistance, and when the paper roller is large, the line pressure between the paper roller and the paper winding cylinder is smaller due to larger resistance of the paper roller. This results in a stronger inner roll of the roll, less bulk, and easier threading of the outer layer of the roll. At present, the control of the line pressure of the paper winding produced on line in China adopts manual random control, so that the filling power of the finished paper is different in size, and the required filling power is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a winder of online real-time adjustment line pressure.
The purpose of the utility model can be realized by the following technical scheme: a paper winder for online real-time adjustment of line pressure comprises a frame, a paper winding cylinder, a paper winding roller, a main arm mechanism and a DCS control system; the paper reeling mechanism comprises a main arm mechanism, a main arm support, a main arm cylinder, a cylinder support, a proportional valve and a distance sensor, wherein the paper reeling cylinder is arranged on the paper reeling cylinder frame, the paper reeling roller is arranged on the paper reeling roller guide rail, the main arm mechanism comprises a main arm, a pinch roller, a main arm support, a main arm cylinder, a cylinder support, a proportional valve and a distance sensor, the pinch roller is arranged at the upper end of the main arm, the lower end of the main arm is hinged with the main arm support, the main arm support is fixed in position, the piston rod end of the main arm cylinder is hinged with the main arm, the cylinder body of the main arm cylinder is hinged with the cylinder support, the cylinder support is fixed on the paper reeling cylinder frame, the proportional valve is connected with the; and the DCS control system is connected with a main arm cylinder, a proportional valve and a distance sensor of the main arm mechanism.
Further, a group of main arm mechanisms are arranged on the transmission side and the operation side of the paper winding roller guide rail.
Furthermore, the upper end of the main arm mechanism is provided with a fork arm, one arm of the fork arm is fixed, the other arm of the fork arm can rotate, and the end parts of the two arms of the fork arm are respectively provided with a pinch roller.
Further, the main arm mechanism further comprises a buffer mounting arm, an oil pressure buffer, a buffering support arm and a support arm support seat, wherein the oil pressure buffer is mounted on the buffer mounting arm, one piston rod end of the oil pressure buffer is hinged with the main arm, the other piston rod end of the oil pressure buffer is hinged with one end of the buffering support arm, the other end of the buffering support arm is hinged with the support arm support seat, and the support arm support seat is fixed on the paper rolling cylinder rack.
Further, the winder further comprises a roller bank and an auxiliary arm mechanism, and the roller bank and the auxiliary arm mechanism are connected with the DCS control system.
Compared with the prior art, the beneficial effects of the utility model are that: the DCS control system compares the calculated diameter of the paper roll obtained through calculation with the diameter of the paper roll detected by the distance sensor in real time on line, and adjusts the proportional valve to control the main arm cylinder to pressurize or depressurize according to the comparison, so that the line pressure between the paper rolling roll and the paper rolling cylinder is adjusted, the filling power of the paper roll is kept consistent front and back, and the filling power of the paper roll is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the structure schematic diagram of the utility model after hiding roller storeroom and auxiliary arm mechanism.
The components in the figures are labeled as follows:
1 paper winding roller guide rail
2 paper rolling cylinder
3 roller warehouse
4 auxiliary arm mechanism
5 paper winding roll
6 main arm mechanism
7 main arm
8 main arm cylinder
9 distance sensor
10 oil pressure buffer
11 buffer support arm
12 rolls of paper.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1 and 2, the paper winding machine for online real-time adjustment of line pressure comprises a frame, a paper winding cylinder 2, a roller bank 3, a secondary arm mechanism 4, a paper winding roller 5, a primary arm mechanism 6 and a DCS control system.
The frame comprises a paper rolling cylinder frame and a paper rolling roller guide rail 1.
The paper rolling cylinder 2 is arranged on a paper rolling cylinder rack, and the paper rolling cylinder 2 is driven to rotate by a driving mechanism and a transmission mechanism of the paper rolling machine.
The roller storehouse 3 is stored with a plurality of paper winding rollers 5, and the air cylinder drives the swing arm to limit the paper winding rollers 5 in the roller storehouse 3 or move and release the paper winding rollers 5 from the roller storehouse 3.
The sub-arm mechanism 4 is used for receiving the winding roller 5 coming out of the roller storage 3, enabling the roller surface of the winding roller 5 to be in contact with the cylinder surface of the winding cylinder 2, and moving the winding roller 5 to the winding roller guide rail 1 after the paper web on the winding cylinder 2 is guided to the winding roller 5. The structure of the secondary arm mechanism 4 is not important and will not be described in detail.
The main arm mechanism 6 is used for receiving the paper winding roller 5 on the paper winding roller guide rail 1 and pressing the paper winding roller 5 on the paper winding cylinder 2, so that a certain linear pressure is generated between a paper roll 12 on the paper winding roller 5 and the paper winding cylinder 2, and the compactness of the paper roll 12 is ensured. The main arm mechanism 6 is the key point of the present invention, and its specific structure is as follows.
And a group of main arm mechanisms 6 are arranged on the transmission side and the operation side of the paper winding roller guide rail 1. The main arm mechanism 6 comprises a main arm 7, a pinch roller, a main arm support, a main arm cylinder 8, a cylinder support, a proportional valve and a distance sensor 9. The upper end of the main arm 7 is provided with a fork-shaped arm, one arm of the fork-shaped arm is fixed, the other arm of the fork-shaped arm can rotate, a pinch roller is mounted at the end of each of two arms of the fork-shaped arm, the lower end of the main arm 7 is hinged to a main arm support, the main arm support is fixed in position and is generally fixed to a bottom rail of a rack during implementation, a piston rod end of a main arm air cylinder 8 is hinged to the middle of the main arm 7 through a universal joint, a cylinder body of the main arm air cylinder 8 is hinged to the air cylinder support, the air cylinder support is fixed to a paper rolling cylinder rack, a proportional valve is connected with the main arm air cylinder 8, the air pressure is adjusted through the proportional valve to control the stroke of the main arm air cylinder 8, the distance sensor 9 is.
The main arm cylinder 8 of the main arm mechanism 6 acts to drive the main arm 7 to push and pull the paper winding roller 5, referring to three positions of the main arm 7 in fig. 2, wherein a is a main arm pressurization position, B is a position of the main arm when paper on the paper winding roller is completely wound, and C is a main arm opening position.
The main arm mechanism 6 further comprises a buffer mounting arm, an oil pressure buffer 10, a buffering support arm 11 and a support arm support seat, the oil pressure buffer 10 is mounted on the buffer mounting arm, the middle lower part of the main arm 7 is hinged to the end of a piston rod of the oil pressure buffer 10 through a universal joint, the end of another piston rod of the oil pressure buffer 10 is hinged to one end of the buffering support arm 11 through a universal joint, the other end of the buffering support arm 11 is hinged to the support arm support seat through a universal joint, and the support arm support seat is fixed on a paper rolling cylinder rack.
And the DCS control system is connected with the cylinder of the roller warehouse 3, the auxiliary arm mechanism 4, the main arm cylinder 8 of the main arm mechanism 6, the proportional valve and the distance sensor 9.
The process of the paper winding machine for realizing online real-time adjustment of the line pressure is as follows: when the device works, the calculated diameter of the paper roll is calculated by combining the set density of the paper roll according to the speed, the ration and the winding time of the paper winding machine, and the specific formula is
Wherein R is the real-time calculated radius (unit: meter) of the paper roll, L is the length (unit: meter) of the paper roll, D is the paper basis weight (unit: gram/square meter), rho is the set density (unit: kilogram/cubic meter) of the paper roll, pi is the circumferential rate, and R is the radius (unit: meter) of the paper roll.
The calculated diameter of the roll of paper, which is obtained from the above formula, is compared with the diameter of the roll of paper detected by the distance sensor 9. If the diameter of the detected paper roll is larger than the calculated diameter, the DCS controls the main arm cylinder 8 to pressurize by adjusting the proportional valve, and if the diameter of the detected paper roll is smaller than the calculated diameter, the DCS controls the main arm cylinder 8 to depressurize by adjusting the proportional valve, so that the filling power of the paper roll 12 is kept consistent. In practice, it has been found that the bulk of the paper roll 12 produced by the present winder can be increased by about 5% over previous rolls.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention shall include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art, and shall be subject to the appended claims.
Claims (5)
1. A winder for online real-time adjustment of line pressure is characterized by comprising a rack, a paper rolling cylinder, a paper rolling roller, a main arm mechanism and a DCS control system; the paper reeling mechanism comprises a main arm mechanism, a main arm support, a main arm cylinder, a cylinder support, a proportional valve and a distance sensor, wherein the paper reeling cylinder is arranged on the paper reeling cylinder frame, the paper reeling roller is arranged on the paper reeling roller guide rail, the main arm mechanism comprises a main arm, a pinch roller, a main arm support, a main arm cylinder, a cylinder support, a proportional valve and a distance sensor, the pinch roller is arranged at the upper end of the main arm, the lower end of the main arm is hinged with the main arm support, the main arm support is fixed in position, the piston rod end of the main arm cylinder is hinged with the main arm, the cylinder body of the main arm cylinder is hinged with the cylinder support, the cylinder support is fixed on the paper reeling cylinder frame, the proportional valve is connected with the; and the DCS control system is connected with a main arm cylinder, a proportional valve and a distance sensor of the main arm mechanism.
2. The reel-up of claim 1, wherein the transmission side and the operation side of the paper winding roller guide rail are provided with a set of main arm mechanisms.
3. The reel for online real-time adjustment of line pressure according to claim 1, wherein the main arm of the main arm mechanism has a fork arm at its upper end, one arm of the fork arm is fixed, the other arm of the fork arm is rotatable, and a pressing wheel is mounted at each of the two arm ends of the fork arm.
4. The reel-up of claim 1, wherein the main arm mechanism further comprises a buffer mounting arm, an oil buffer, a buffer arm, and an arm support, the buffer mounting arm is mounted with the oil buffer, one rod end of the oil buffer is hinged to the main arm, the other rod end of the oil buffer is hinged to one end of the buffer arm, the other end of the buffer arm is hinged to the arm support, and the arm support is fixed to the frame of the paper reeling cylinder.
5. The winder for adjusting line pressure in real time on line according to any one of claims 1 to 4, characterized in that the winder further comprises a roller bank and a secondary arm mechanism, wherein the roller bank and the secondary arm mechanism are connected with a DCS control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027106.1U CN211733270U (en) | 2020-01-07 | 2020-01-07 | Winder of online real-time adjustment line pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020027106.1U CN211733270U (en) | 2020-01-07 | 2020-01-07 | Winder of online real-time adjustment line pressure |
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| CN211733270U true CN211733270U (en) | 2020-10-23 |
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| CN202020027106.1U Active CN211733270U (en) | 2020-01-07 | 2020-01-07 | Winder of online real-time adjustment line pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772352A (en) * | 2022-04-15 | 2022-07-22 | 杭州特种纸业有限公司 | Winding deviation correcting device convenient to vulcanized fiber paper limit aligns |
-
2020
- 2020-01-07 CN CN202020027106.1U patent/CN211733270U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114772352A (en) * | 2022-04-15 | 2022-07-22 | 杭州特种纸业有限公司 | Winding deviation correcting device convenient to vulcanized fiber paper limit aligns |
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