CN217351938U - Press roll vacuum adsorption device - Google Patents
Press roll vacuum adsorption device Download PDFInfo
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- CN217351938U CN217351938U CN202220747090.0U CN202220747090U CN217351938U CN 217351938 U CN217351938 U CN 217351938U CN 202220747090 U CN202220747090 U CN 202220747090U CN 217351938 U CN217351938 U CN 217351938U
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- vacuum
- press roll
- pin shaft
- device body
- dehydration device
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Abstract
The utility model discloses a press roll vacuum adsorption device, which comprises a vacuum dehydration device body, wherein the vacuum dehydration device body comprises a rubber sheet, an upper clapboard, a fixed support, a lower clapboard, a pin shaft and a flexible glue scraper, the inside of the fixed support is rotatably connected with the pin shaft, the middle part of the pin shaft is fixedly provided with the upper clapboard, one end of the upper clapboard, which is far away from the pin shaft, is fixedly provided with the rubber sheet, the upper clapboard is fixedly provided with the lower clapboard positioned at one side of the upper clapboard, one end of the lower clapboard, which is far away from the pin shaft, is fixedly provided with the flexible glue scraper, and the middle part of the flexible glue scraper is provided with a blowing installation port, the utility model discloses a press roll vacuum adsorption device, which can discharge the water on the surface of a press roll completely by arranging a gram negative pump, a vacuum fan and a vacuum dehydration device body so as to achieve the purposes of improving the paper dryness, saving steam for a drying part at the back and avoiding the abrasion of the dehydration scraper to the press roll, the service cycle of the press roll is prolonged, and the maintenance cost of the equipment is reduced.
Description
Technical Field
The utility model relates to a squeeze roller technical field, specifically be a squeeze roller vacuum adsorption device.
Background
The press rolls are important constituent equipment of paper machine equipment, and mainly have the functions of squeezing felt and dewatering paper by adjusting the linear pressure of the press rolls, the press rolls generally adopt vacuum press rolls to be matched with blind rolls for use, most paper machines adopt three-pass pressing, the first press roll adopts a lower vacuum roll, the upper part is the blind roll, the second three-pass pressing adopts the blind roll, a plurality of pits are uniformly distributed on the surface of the blind roll, the small pits have the functions of temporarily storing water when contacting with the felt and throwing the water out through the high-speed rotation of the press roller, however, a large amount of water is adsorbed on the surface of the press roll, and then the phenomenon that part of water is not cleaned still exists after the press roll dewatering scraper is additionally arranged, the scraper plays a role in cleaning the water on the surface of the press roll, the method also has damage to the colloidal layer on the surface of the press roll to different degrees, and shortens the service life of the press roll.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a squeeze roller vacuum adsorption device to the surface of squeezing the roller that proposes in solving above-mentioned background art still has a large amount of water to adsorb on the surface, presses the roller dehydration scraper through the additional installation afterwards, still has some water and has not been by the phenomenon of clearance, and the scraper has played the effect to the water on clearance squeeze roller surface, also has the damage of different degrees to the colloidal layer on squeezing the roller surface, shortens the problem of the life who squeezes the roller.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a squeeze roller vacuum adsorption device, includes the vacuum dehydration device body, the vacuum dehydration device body includes rubber, goes up baffle, fixing support, lower baffle, round pin axle and flexible glue scraper, fixing support's inside is rotated and is connected with the round pin axle, the middle part fixed mounting of round pin axle has last baffle, the one end fixed mounting that the round pin axle was kept away from to last baffle has rubber, sell epaxial fixed mounting and have the lower baffle that is located baffle one side, the one end fixed mounting that the round pin axle was kept away from to lower baffle has the flexible glue scraper, the installing port of blowing has been seted up at the middle part of flexible glue scraper, the inside fixed intercommunication of installing port of blowing has the pipeline of blowing, the below of vacuum dehydration device body is equipped with vacuum blower, one side of vacuum blower is equipped with gram negative pump, and the gas that the vacuum blower will take out blows out through the pipeline of blowing.
Preferably, an air inlet of the vacuum fan is fixedly communicated with an extraction pipeline, one end, far away from the air blowing mounting port, of the air blowing pipeline is fixedly communicated with an air outlet of the vacuum fan, the vacuum fan is powered on by a worker and is started, and the vacuum fan extracts gas separated from the steam-water separator through the extraction pipeline.
Preferably, the middle part of lower baffle has seted up the guiding gutter, the water inlet of gram negative pump is fixed to be communicated with has drainage pipe, just the one end that drainage pipe kept away from gram negative pump is fixed to be communicated with the guiding gutter, gram negative pump starts, and gram negative pump passes through drainage pipe and extracts moisture and gas in the guiding gutter.
Preferably, a steam-water separator is fixedly installed inside the gram negative pump, and the steam-water separator separates a gas-water mixture entering the gram negative pump.
Preferably, one end of the extraction pipeline, which is far away from the vacuum fan, is fixedly communicated with the surface of the gram negative pump, and the extraction pipeline is connected with a steam-water separator in the gram negative pump.
Preferably, a drain valve is fixedly mounted at a water outlet of the gram negative pump, a worker opens the drain valve, and impurities pumped from the gram negative pump are discharged from the water outlet.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up gram negative pump, vacuum blower, vacuum dehydration device body, make and press the moisture on roller surface and discharge totally to reach and improve the paper quality, for the purpose of the stoving portion saving steam at the back, and avoided the dehydration scraper to the wearing and tearing of squeezing the roller, improve the life cycle of squeezing the roller, reduce equipment cost of maintenance.
Drawings
Fig. 1 is a side view of the present invention;
FIG. 2 is a cross-sectional view of the vacuum dehydrating apparatus of the present invention;
FIG. 3 is a simplified diagram of the vacuum dehydrating apparatus body of the present invention;
fig. 4 is a perspective view of the vacuum dewatering device body of the present invention.
In the figure: 1. a negative resisting pump; 2. a blowoff valve; 3. a water discharge pipeline; 4. a vacuum fan; 5. extracting a pipeline; 6. an air blowing pipeline; 7. a vacuum dehydration device body; 71. rubber sheets; 72. an upper partition plate; 73. a fixed support; 74. a water chute; 75. a lower partition plate; 76. a blowing installation port; 77. a soft rubber scraper; 78. a pin shaft; 8. a steam-water separator.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the present invention provides a vacuum adsorption device for a press roll, which comprises a vacuum dehydration device body 7, wherein the vacuum dehydration device body 7 comprises a rubber sheet 71, an upper partition plate 72 and a fixed support 73, lower baffle 75, round pin axle 78 and flexible glue scraper 77, the inside of fixing support 73 is rotated and is connected with round pin axle 78, the middle part fixed mounting of round pin axle 78 has last baffle 72, the one end fixed mounting that goes up baffle 72 and keep away from round pin axle 78 has rubber 71, fixed mounting has the lower baffle 75 that is located baffle 72 one side on the round pin axle 78, the one end fixed mounting that round pin axle 78 was kept away from to lower baffle 75 has flexible glue scraper 77, the installing port 76 of blowing has been seted up at the middle part of flexible glue scraper 77, the inside fixed intercommunication of installing port 76 of blowing has gas blowing pipe 6, the below of vacuum dehydration device body 7 is equipped with vacuum fan 4, one side of vacuum fan 4 is equipped with gram negative pump 1, the gas that vacuum fan 4 will take out blows out through gas blowing pipe 6.
An air inlet of the vacuum fan 4 is fixedly communicated with an extraction pipeline 5, one end, far away from the air blowing mounting port 76, of the air blowing pipeline 6 is fixedly communicated with an air outlet of the vacuum fan 4, the vacuum fan 4 is powered on by a worker, the vacuum fan 4 is started, and the vacuum fan 4 extracts gas separated from the steam-water separator 8 through the extraction pipeline 5.
The guiding gutter 74 is arranged in the middle of the lower partition plate 75, the water inlet of the gram negative pump 1 is fixedly communicated with the drainage pipeline 3, one end, far away from the gram negative pump 1, of the drainage pipeline 3 is fixedly communicated with the guiding gutter 74, the gram negative pump 1 is started, and the gram negative pump 1 extracts water and gas in the guiding gutter 74 through the drainage pipeline 3.
The inside of the gram negative pump 1 is fixedly provided with a steam-water separator 8, and the steam-water separator 8 separates the gas-water mixture entering the gram negative pump 1.
One end of the extraction pipeline 5, which is far away from the vacuum fan 4, is fixedly communicated with the surface of the gram negative pump 1, and the extraction pipeline 5 is connected with a steam-water separator 8 in the gram negative pump 1.
A drain valve 2 is fixedly installed at the water outlet of the gram negative pump 1, a worker opens the drain valve 2, and impurities pumped in the gram negative pump 1 are discharged from the water outlet.
When the embodiment of the application is used: the vacuum dehydration device body 7 is fixed on a frame by an operator through a fixed support 73, a rubber sheet 71, an upper partition plate 72, a lower partition plate 75 and a soft rubber scraper 77 are mutually matched to play a role of sealing a negative pressure area, the operator energizes a vacuum fan 4, the vacuum fan 4 operates, a steam-water separator 8 starts to pump water of a squeezing roller to the steam-water separator 8 through the vacuum dehydration device body 7 and a drainage pipeline 3, the distance from the water to a gram negative pump 1 is short by adopting a semi-closed forty-five-degree partition plate as the lower partition plate 75, the drainage of the gram negative pump 1 is added, so that the drainage pipeline 3 forms a certain degree of negative pressure, the negative pressure effect of the vacuum dehydration device body 7 can be increased, the steam-water separator 8 forms negative pressure after the vacuum fan 4 operates, the steam-water separator 8 forms negative pressure on the vacuum dehydration device body 7 through the drainage pipeline 3, the vacuum fan 4 passes through a blowing pipeline 6, the water reaches the inner side of the soft rubber scraper 77, and is blown to the squeezing roller along the tangential direction of the squeezing roller, when the compressed air formed by the vacuum fan 4 is blown to the squeezing roller, the water in the small pits on the squeezing roller is blown up, and the blown up water flows to the steam-water separator 8 under the condition of negative pressure.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a squeeze roll vacuum adsorption equipment, includes vacuum dehydration device body (7), its characterized in that: the vacuum dehydration device comprises a vacuum dehydration device body (7) and is characterized in that the vacuum dehydration device body (7) comprises a rubber sheet (71), an upper partition plate (72), a fixed support (73), a lower partition plate (75), a pin shaft (78) and a soft rubber scraper (77), the inside of the fixed support (73) is rotatably connected with the pin shaft (78), the middle of the pin shaft (78) is fixedly provided with the upper partition plate (72), one end of the upper partition plate (72), far away from the pin shaft (78), is fixedly provided with the rubber sheet (71), the pin shaft (78) is fixedly provided with the lower partition plate (75), the lower partition plate (72), far away from one side of the pin shaft (78), is fixedly provided with the soft rubber scraper (77), the middle of the soft rubber scraper (77) is provided with an air blowing installation port (76), the inside of the air blowing installation port (76) is fixedly communicated with an air blowing pipeline (6), and the vacuum fan (4) is arranged below the vacuum dehydration device body (7), and a negative gram pump (1) is arranged on one side of the vacuum fan (4).
2. A press roll vacuum suction apparatus according to claim 1, characterized in that: an air inlet of the vacuum fan (4) is fixedly communicated with an extraction pipeline (5), and one end, far away from the air blowing mounting port (76), of the air blowing pipeline (6) is fixedly communicated with an air outlet of the vacuum fan (4).
3. A press roll vacuum suction apparatus according to claim 1, characterized in that: guiding gutter (74) have been seted up at the middle part of lower baffle (75), the fixed intercommunication of water inlet of gram burden pump (1) has drainage pipe (3), just drainage pipe (3) keep away from the fixed intercommunication of one end and guiding gutter (74) of gram burden pump (1).
4. A press roll vacuum suction apparatus according to claim 1, characterized in that: and a steam-water separator (8) is fixedly arranged in the gram negative pump (1).
5. A press roll vacuum suction apparatus according to claim 2, characterized in that: one end of the extraction pipeline (5) far away from the vacuum fan (4) is fixedly communicated with the surface of the gram negative pump (1).
6. A press roll vacuum suction apparatus according to claim 1, characterized in that: a drain valve (2) is fixedly arranged at the water outlet of the gram negative pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747090.0U CN217351938U (en) | 2022-06-29 | 2022-06-29 | Press roll vacuum adsorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747090.0U CN217351938U (en) | 2022-06-29 | 2022-06-29 | Press roll vacuum adsorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217351938U true CN217351938U (en) | 2022-09-02 |
Family
ID=83052994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220747090.0U Active CN217351938U (en) | 2022-06-29 | 2022-06-29 | Press roll vacuum adsorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217351938U (en) |
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2022
- 2022-06-29 CN CN202220747090.0U patent/CN217351938U/en active Active
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