CN215405319U - Scraper for squeezing vacuum roll - Google Patents
Scraper for squeezing vacuum roll Download PDFInfo
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- CN215405319U CN215405319U CN202121055893.1U CN202121055893U CN215405319U CN 215405319 U CN215405319 U CN 215405319U CN 202121055893 U CN202121055893 U CN 202121055893U CN 215405319 U CN215405319 U CN 215405319U
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- support frame
- vacuum roll
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Abstract
A scraper for a squeezing vacuum roll relates to the technical field of papermaking, wherein two electric telescopic rods are fixedly connected to the moving end of a position adjusting mechanism, a supporting frame is fixedly connected to the telescopic end of each electric telescopic rod, grooves are formed in the upper side and the lower side of each supporting frame respectively, a rotating rod is rotatably connected in each groove, one end of each rotating rod penetrates through each supporting frame and is connected with a third motor, and a scraping mechanism is mounted on each supporting frame; according to the scraper for the squeezing vacuum roll, the position of the scraping mechanism is adjusted through the position adjusting mechanism, so that the position of the scraping mechanism corresponds to the position of the vacuum roll, moisture and fine fibers on the surface of the vacuum roll are scraped through the scraping mechanism, moisture and fine fibers in roll holes in the vacuum roll are extracted through the vacuumizing mechanism, and the moisture and fine fibers are scraped through the scraping mechanism, so that the surface of the roll is kept clean, the service life of the roll is prolonged, the frequency of machine halt, replacement and maintenance is reduced, and the economic efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of papermaking, in particular to a scraper for a squeezing vacuum roll.
Background
The original design of the vacuum roll only uses a rubber plate to simply block water splashed from the vacuum roll, water drops on the surface of the vacuum roll cannot be well removed, and the water in holes of the vacuum roll cannot be removed, particularly when a paperboard machine is high in speed (more than 400 m/min), a certain rewetting phenomenon can be generated when a wet paper sheet passes through a vacuum couch roll, so that the strength of the wet paper sheet is reduced, when the machine is just started or paper is broken, because the water content is high, a small paper sheet cut by a water needle is difficult to be led to a pressing ratio from prepressing, so that the paper leading time is overlong, and along with the continuous improvement of the speed of the machine, the phenomenon that the wet paper sheet is embossed at the pressing part of the vacuum roll is more and more generated in the production process, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the background art, the utility model discloses a scraper for a squeezing vacuum roll, which adjusts the position of a scraping mechanism through a position adjusting mechanism, so that the position of the scraping mechanism corresponds to the position of the vacuum roll, water and fine fibers on the surface of the vacuum roll are scraped through the scraping mechanism, water and fine fibers in roll holes in the vacuum roll are extracted through a vacuumizing mechanism, and the water and fine fibers are scraped through the scraping mechanism, so that the cleanness of the roll surface is kept, the service life of the roll is prolonged, the frequency of machine halt replacement and maintenance is reduced, and the economic efficiency is improved.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a squeeze scraper for vacuum roll, includes position control mechanism, two electric telescopic handle of fixedly connected with are served in position control mechanism's removal, electric telescopic handle's flexible end fixedly connected with support frame, the upper and lower both sides of support frame are equipped with the recess respectively, the recess internal rotation is connected with the dwang, the one end of dwang is passed the support frame and is connected with the third motor, install on the support frame and strike off the mechanism, strike off two of mechanism and strike off the end and be located two dwangs respectively, install evacuation mechanism on the support frame, two evacuation ends of evacuation mechanism are located two of striking off the mechanism respectively and strike off the end, the dead lever is connected with switch group on the support frame, switch group's input and external power source's output are connected, switch group's output and position control mechanism, The third motor, the scraping mechanism, the vacuumizing mechanism and the input end of the electric telescopic rod are electrically connected.
The position adjusting mechanism comprises two positioning frames, a first screw rod is connected in the positioning frames in a rotating mode, one end of the first screw rod penetrates through the positioning frames to be connected with a second motor, a first moving block is connected to the first screw rod in a threaded mode and located in the positioning frames in a sliding mode and connected with the first screw rod in a sliding mode, moving frames are fixedly connected to the two first moving blocks, a second screw rod is connected in the moving frames in a rotating mode, one end of the second screw rod penetrates through the moving frames to be connected with the first motor, a second moving block is connected to the second screw rod in a threaded mode and located in the moving frames in the sliding mode and connected with the second moving block in a sliding mode, and two electric telescopic rods are fixedly connected to the moving frames.
The scraping mechanism comprises fixed blocks, the fixed blocks are arranged at equal intervals and fixedly connected with the rotating rods, limiting frames are fixedly connected with the fixed blocks and connected with the supporting plate through two connecting rods, two sliding grooves are arranged on the supporting plate, the positions of the sliding grooves correspond to the positions of the connecting rods and are in sliding connection, two ends of the supporting plate are respectively and fixedly connected with a placing frame, air bags are fixedly connected in the placing frame, the two air bags are communicated through first shunt tubes, pressure reducing valves are respectively arranged on two air outlets of the first shunt tubes, the two first shunt tubes are communicated through second shunt tubes, the second shunt tubes are connected with an air pump through an air inlet pipe, the air pump is positioned on the supporting frame and is fixedly connected with the air pump, scrapers are slidably connected in the placing frame, and one ends of the scrapers are in contact connection with the air bags, the support plate is provided with a vacuumizing end of a vacuumizing mechanism, and the vacuumizing end of the vacuumizing mechanism is positioned between the two scrapers.
The supporting plate is made of an elastic plate, and the vacuumizing end of the vacuumizing mechanism is located in the middle of the supporting plate.
The vacuum pumping mechanism comprises a vacuum cover, the vacuum cover is located on a scraping end of the scraping mechanism and is fixedly connected with the scraping end of the scraping mechanism, a rotating groove is formed in one side of the vacuum cover, the rotating groove is connected with a movable plate through a connecting shaft, vacuum tubes are fixedly connected in the vacuum cover, the two vacuum tubes are communicated through a flow combining tube, the flow combining tube is connected with a vacuum pump through an exhaust tube, and the vacuum pump is located on a support frame and is fixedly connected with the support frame.
The upper side and the lower side of the inner surface of the support frame are respectively and fixedly connected with a fixing frame, guide rollers are rotationally connected in the fixing frame, and the two guide rollers are corresponding in position.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the scraper for the squeezing vacuum roll, the position of the scraping mechanism is adjusted through the position adjusting mechanism, so that the position of the scraping mechanism corresponds to the position of the vacuum roll, moisture and fine fibers on the surface of the vacuum roll are scraped through the scraping mechanism, moisture and fine fibers in roll holes in the vacuum roll are extracted through the vacuumizing mechanism, and the moisture and fine fibers are scraped through the scraping mechanism, so that the surface of the roll is kept clean, the service life of the roll is prolonged, the frequency of machine halt, replacement and maintenance is reduced, and the economic efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
FIG. 3 is an enlarged view of the structure at B of the present invention;
FIG. 4 is an enlarged view of the structure at the point C of the present invention;
1. a position adjustment mechanism; 101. a positioning frame; 102. a first screw; 103. a first moving block; 104. a movable frame; 105. a first motor; 106. a second motor; 107. a second screw; 108. a second moving block; 2. a third motor; 3. a power switch group; 4. a scraping mechanism; 401. a limiting frame; 402. a first shunt pipe; 403. a second shunt pipe; 404. a pressure reducing valve; 405. a scraper; 406. a support plate; 407. placing a rack; 408. a connecting rod; 5. a guide roller; 6. a fixed mount; 7. a support frame; 8. a vacuum pumping mechanism; 801. a vacuum hood; 802. a movable plate; 803. a vacuum tube; 804. a vacuum pump; 805. an air exhaust pipe; 806. a confluence pipe; 9. an electric telescopic rod.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
With reference to the accompanying drawings 1-4, the scraper for squeezing vacuum rolls comprises a position adjusting mechanism 1, wherein two electric telescopic rods 9 are fixedly connected to the moving end of the position adjusting mechanism 1, a support frame 7 is fixedly connected to the telescopic end of each electric telescopic rod 9, grooves are respectively formed in the upper side and the lower side of each support frame 7, a rotating rod is rotatably connected to each groove, one end of each rotating rod penetrates through the support frame 7 to be connected with a third motor 2, a scraping mechanism 4 is installed on each support frame 7, the two scraping ends of each scraping mechanism 4 are respectively located on the two rotating rods, the position of each scraping mechanism 4 is adjusted through the position adjusting mechanism 1 and the electric telescopic rods 9, moisture and fine fibers on the surface of a vacuum roll are scraped through the scraping mechanism 4, a vacuumizing mechanism 8 is installed on each support frame 7, and the two vacuumizing ends of each vacuumizing mechanism 8 are respectively located on the two scraping ends of each scraping mechanism 4, moisture and tiny fibre in the roller hole of vacuum roll are taken out through evacuation mechanism 8, guarantee the cleanness on vacuum roll surface, the dead lever is connected with switch group 3 on the support frame 7, switch group 3's input is connected with external power source's output, switch group 3's output and position control mechanism 1, third motor 2, strike off mechanism 4, evacuation mechanism 8 and electric telescopic handle 9's input electricity and be connected, be equipped with on switch group 3 with position control mechanism 1, third motor 2, strike off mechanism 4, evacuation mechanism 8 and electric telescopic handle 9 one-to-one's shift knob.
The position adjusting mechanism 1 comprises two positioning frames 101, the two positioning frames 101 are connected in a rotating manner, a first screw 102 is connected in the positioning frames 101, one end of the first screw 102 penetrates through the positioning frames 101 to be connected with a second motor 106, a first moving block 103 is connected to the first screw 102 in a threaded manner, the first moving block 103 is located in the positioning frames 101 and is connected in a sliding manner, two first moving blocks 103 are fixedly connected with a moving frame 104, a second screw 107 is connected in the moving frame 104 in a rotating manner, one end of the second screw 107 penetrates through the moving frame 104 to be connected with the first motor 105, a second moving block 108 is connected to the second screw 107 in a threaded manner, the second moving block 108 is located in the moving frame 104 and is connected in a sliding manner, and two electric telescopic rods 9 are fixedly connected to the moving frame 104.
The scraping mechanism 4 comprises a fixed block, the fixed block is arranged at equal intervals and fixedly connected with a rotating rod, a limiting frame 401 is fixedly connected with the fixed block, the limiting frame 401 is connected with a supporting plate 406 through two connecting rods 408, two sliding grooves are arranged on the supporting plate 406, the positions of the sliding grooves correspond to the positions of the connecting rods 408 and are in sliding connection, two ends of the supporting plate 406 are respectively and fixedly connected with a placing frame 407, air bags are fixedly connected in the placing frame 407, the two air bags are communicated through a first shunt pipe 402, two air outlets of the first shunt pipe 402 are respectively provided with a pressure reducing valve 404, the two first shunt pipes 402 are communicated through a second shunt pipe 403, the second shunt pipe 403 is connected with an air pump through an air inlet pipe, the air pump is positioned on a supporting frame 7 and is fixedly connected with the supporting frame, and a scraper 405 is slidably connected in the placing frame 407, one end of the scraper 405 is in contact connection with the air bag, a vacuumizing end of the vacuumizing mechanism 8 is installed on the supporting plate 406, and the vacuumizing end of the vacuumizing mechanism 8 is located between the two scrapers 405.
The surface of the vacuum roll is cleaned for the first time through the first scraper 405, moisture and fine fibers in the roll hole of the vacuum roll are extracted through the vacuumizing mechanism 8, the extracted moisture and fine fibers are cleaned through the second scraper 405, and the surface of the vacuum roll and the cleanness in the roll hole of the vacuum roll are guaranteed.
The supporting plate 406 is an elastic plate, and the vacuumizing end of the vacuumizing mechanism 8 is located in the middle of the supporting plate 406, so that the radian of the supporting plate 406 can be adjusted conveniently, and the scraper 405 can be attached to the surface of the vacuum roller.
The vacuum pumping mechanism 8 comprises a vacuum cover 801, the vacuum cover 801 is positioned on the scraping end of the scraping mechanism 4 and fixedly connected with the scraping end of the scraping mechanism 4, one side of the vacuum cover 801 is provided with a rotating groove, the rotating groove is connected with a movable plate 802 through a connecting shaft, a vacuum pipe 803 is fixedly connected in the vacuum cover 801, the two vacuum pipes 803 are communicated with each other through a converging pipe 806, the converging pipe 806 is connected with a vacuum pump 804 through a suction pipe 805, the vacuum pump 804 is positioned on the support frame 7 and fixedly connected with the support frame, the vacuum pump 804 vacuumizes the vacuum cover 801 to pump moisture and fine fibers in the holes of the vacuum roller, the vacuum roller rotates to drive the movable plate 802 to move, so that the pumped moisture and the fine fibers are separated from the vacuum cover 801 and scraped through the scraping mechanism 4, after the vacuum roller stops rotating, the vacuum pump 804 vacuumizes again, and the movable plate 802 is adsorbed on the vacuum cover 801 during vacuumizing, forming a closed space.
The upper side and the lower side of the inner surface of the support frame 7 are respectively and fixedly connected with a fixing frame 6, the fixing frame 6 is rotatably connected with guide rollers 5, and the positions of the two guide rollers 5 correspond to each other.
When the scraper for the squeezing vacuum roll is used, a worker moves the scraper for the squeezing vacuum roll to a position corresponding to the vacuum roll, the first screw 102 is driven to rotate through the second motor 106, the first moving block 103 is driven to move through the first screw 102, the scraping mechanism 4 is driven to move through the first moving block 103, the second moving block 108 is driven to move through the second screw 107 by the first motor 105, the position of the scraping mechanism 4 is finely adjusted through the second moving block 108, the height of the scraping mechanism 4 is controlled to be adjusted through the electric telescopic rod 9, the position of the scraping end of the scraping mechanism 4 corresponds to and is attached to the position of the vacuum roll, the vacuum cover 801 is tightly attached to the vacuum roll by the first moving block 103 moving the scraping mechanism 4, the radian of the support plate 406 is adjusted through the vacuum cover 801, and the two scrapers 405 on the support plate 406 are attached to the surface of the vacuum roll, the air pump inflates the air bag through the first shunt pipe 402 and the second shunt pipe 403, the scraper 405 is pushed through the air bag, a worker can conveniently adjust the pressure of the scraper 405 according to actual needs, moisture and fine fibers on the surface of the vacuum roll can be better scraped, meanwhile, the abrasion of the scraper 405 is reduced, the vacuum pump 804 vacuumizes the interior of the vacuum cover 801 through the exhaust pipe 805 and the confluence pipe 806, the moisture and the fine fibers in the roll hole of the vacuum roll are pumped out through the vacuum cover 801, the vacuum roll rotates to drive the movable plate 802 to move, the pumped moisture and the fine fibers are separated from the vacuum cover 801, the scraping mechanism 4 is used for scraping, after the rotation of the vacuum roll is stopped, the vacuum pump 804 vacuumizes again, the movable plate 802 is adsorbed on the vacuum cover 801 during the vacuumizing to form a closed space, the surface of the vacuum roll is firstly cleaned through the first scraper 405, moisture and fine fibers in the roll holes of the vacuum roll are pumped out through the vacuumizing mechanism 8, and the pumped moisture and fine fibers are cleaned through the second scraper 405, so that the surface of the vacuum roll and the roll holes of the vacuum roll are clean.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides a squeeze scraper for vacuum roll, includes position control mechanism (1), characterized by: the device is characterized in that two electric telescopic rods (9) are fixedly connected to the moving end of the position adjusting mechanism (1), a support frame (7) is fixedly connected to the telescopic end of each electric telescopic rod (9), grooves are respectively formed in the upper side and the lower side of each support frame (7), a rotating rod is rotatably connected to each groove, one end of each rotating rod penetrates through each support frame (7) to be connected with a third motor (2), a scraping mechanism (4) is installed on each support frame (7), two scraping ends of each scraping mechanism (4) are respectively located on the two rotating rods, a vacuumizing mechanism (8) is installed on each support frame (7), two vacuumizing ends of each vacuumizing mechanism (8) are respectively located on two scraping ends of each scraping mechanism (4), a fixed rod on each support frame (7) is connected with a power switch group (3), and the input end of each power switch group (3) is connected with the output end of an external power supply, the output end of the power switch group (3) is electrically connected with the input ends of the position adjusting mechanism (1), the third motor (2), the scraping mechanism (4), the vacuumizing mechanism (8) and the electric telescopic rod (9).
2. The doctor blade for a press vacuum roll according to claim 1, wherein: the position adjusting mechanism (1) comprises two positioning frames (101), a first screw (102) is connected in the positioning frames (101) in a rotating mode, one end of the first screw (102) penetrates through the positioning frames (101) to be connected with a second motor (106), a first moving block (103) is connected to the first screw (102) in a threaded mode, the first moving block (103) is located in the positioning frames (101) and connected in a sliding mode, moving frames (104) are fixedly connected to the two first moving blocks (103), a second screw (107) is connected in the moving frames (104) in a rotating mode, one end of the second screw (107) penetrates through the moving frames (104) to be connected with the first motor (105), a second moving block (108) is connected to the second screw (107) in a threaded mode, and the second moving block (108) is located in the moving frames (104) and connected in a sliding mode, two electric telescopic rods (9) are fixedly connected to the movable frame (104).
3. The doctor blade for a press vacuum roll according to claim 1, wherein: the scraping mechanism (4) comprises a fixed block, the fixed block is arranged at equal intervals and fixedly connected with the rotating rod, a limiting frame (401) is fixedly connected onto the fixed block, the limiting frame (401) is connected with a supporting plate (406) through two connecting rods (408), two sliding grooves are arranged on the supporting plate (406), the positions of the sliding grooves correspond to the positions of the connecting rods (408) and are in sliding connection, two ends of the supporting plate (406) are respectively and fixedly connected with a placing frame (407), air bags are fixedly connected into the placing frame (407), the two air bags are communicated through a first shunt pipe (402), two air outlets of the first shunt pipe (402) are respectively provided with a reducing valve (404), the two first shunt pipes (402) are communicated through a second shunt pipe (403), and the second shunt pipe (403) is connected with an air pump through an air inlet pipe, the air pump is located on support frame (7) and fixed connection, sliding connection has scraper (405) in rack (407), the one end and the gasbag contact of scraper (405) are connected, install the evacuation end of evacuation mechanism (8) on backup pad (406), the evacuation end of evacuation mechanism (8) is located between two scrapers (405).
4. The doctor blade for a press vacuum roll according to claim 3, wherein: the supporting plate (406) is an elastic plate, and the vacuumizing end of the vacuumizing mechanism (8) is positioned in the middle of the supporting plate (406).
5. The doctor blade for a press vacuum roll according to claim 1, wherein: the vacuum pumping mechanism (8) comprises a vacuum cover (801), the vacuum cover (801) is located on a scraping end of the scraping mechanism (4) and is fixedly connected with the scraping end, a rotating groove is formed in one side of the vacuum cover (801), the rotating groove is connected with a movable plate (802) through a connecting shaft, a vacuum pipe (803) is fixedly connected in the vacuum cover (801), the two vacuum pipes (803) are communicated with each other through a flow combining pipe (806), the flow combining pipe (806) is connected with a vacuum pump (804) through an exhaust pipe (805), and the vacuum pump (804) is located on a support frame (7) and is fixedly connected with the support frame.
6. The doctor blade for a press vacuum roll according to claim 1, wherein: the upper side and the lower side of the inner surface of the support frame (7) are respectively and fixedly connected with a fixing frame (6), guide rollers (5) are rotationally connected in the fixing frame (6), and the positions of the two guide rollers (5) are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055893.1U CN215405319U (en) | 2021-05-18 | 2021-05-18 | Scraper for squeezing vacuum roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121055893.1U CN215405319U (en) | 2021-05-18 | 2021-05-18 | Scraper for squeezing vacuum roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215405319U true CN215405319U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121055893.1U Active CN215405319U (en) | 2021-05-18 | 2021-05-18 | Scraper for squeezing vacuum roll |
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| Country | Link |
|---|---|
| CN (1) | CN215405319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007463A (en) * | 2024-04-10 | 2024-05-10 | 山东大星辊轴制造有限公司 | Online cleaning device for vacuum roller of paper machine |
-
2021
- 2021-05-18 CN CN202121055893.1U patent/CN215405319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118007463A (en) * | 2024-04-10 | 2024-05-10 | 山东大星辊轴制造有限公司 | Online cleaning device for vacuum roller of paper machine |
| CN118007463B (en) * | 2024-04-10 | 2024-07-09 | 山东大星辊轴制造有限公司 | Online cleaning device for vacuum roller of paper machine |
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