CN118007463B - Online cleaning device for vacuum roller of paper machine - Google Patents
Online cleaning device for vacuum roller of paper machine Download PDFInfo
- Publication number
- CN118007463B CN118007463B CN202410423984.8A CN202410423984A CN118007463B CN 118007463 B CN118007463 B CN 118007463B CN 202410423984 A CN202410423984 A CN 202410423984A CN 118007463 B CN118007463 B CN 118007463B
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- Prior art keywords
- cleaning
- arc
- scraping
- wall
- roller body
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- 238000004140 cleaning Methods 0.000 title claims abstract description 87
- 238000007790 scraping Methods 0.000 claims abstract description 57
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 34
- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
- D21F3/083—Pressure rolls perforated
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/10—Suction rolls, e.g. couch rolls
Landscapes
- Paper (AREA)
Abstract
The invention discloses an online cleaning device for a vacuum roll of a paper machine, which relates to the technical field of vacuum press rolls and comprises a frame, wherein a roll body is arranged on the frame, two ends of the roll body are rotatably connected with the frame through a roll shaft, a cleaning mechanism for cleaning the outer wall of the roll body is arranged on the frame, the cleaning mechanism comprises a base, an arc-shaped bracket, a plurality of scraping assemblies for scraping paper pulp on the outer wall of the roll body and a cleaning assembly for scraping residual paper pulp on the outer wall of the roll body, the base is fixed on the inner bottom wall of the frame and is positioned right below the roll body, the arc-shaped bracket is fixed on the base and is coaxial with the roll body, and a groove is formed in the arc-shaped bracket.
Description
Technical Field
The invention relates to the technical field of vacuum squeeze rolls, in particular to an online cleaning device for a vacuum roll of a paper machine.
Background
The main functions of the press section of a paper machine are dewatering, curing the sheet, improving the sheet properties, increasing the wet web strength to improve the drying capacity of the dryer section, and the vacuum press roll is a key device for achieving the main functions of the press section. The vacuum squeezing roller adopts vacuum hole dehydration work, and because of the viscosity of paper pulp, the paper pulp can be stuck on the roller body and is not easy to be thrown out, and the paper pulp is accumulated after long-time use, and the vacuum hole is easy to be blocked by paper scraps.
For example, the vacuum squeeze roll cleaning device disclosed in patent publication No. CN 218282781U comprises a roll shaft and a roll body, the roll shaft is rotatably supported on a support, one side of the roll body is provided with a cleaning assembly, the cleaning assembly comprises a scraper arranged on one side of the roll body, the scraper is inclined downwards, a diversion trench is arranged below the scraper, a cleaning plate is arranged above the scraper, a transmission mechanism is arranged between the cleaning plate and the roll shaft, and the cleaning plate moves on the upper surface of the scraper through the transmission mechanism and cleans paper pulp adhered on the scraper.
The patent also has the following problems: this patent is though can strike off the paper pulp of roll body outer wall through the scraper, but the scraper only can strike off the clearance to the roll body outer wall, and can't clear away the inside impurity of vacuum hole, leads to vacuum hole to block up, and cleaning performance is relatively poor to influence product quality problem, more than can lead to the unable normal operating of paper machine, thereby influence production efficiency.
Disclosure of Invention
The invention aims to provide an online cleaning device for a vacuum roller of a paper machine, which solves the problem that when the existing online cleaning device for the vacuum roller of the paper machine is used for cleaning a roller body, a scraper can only scrape and clean the outer wall of the roller body, but cannot clean impurities in vacuum holes, so that the vacuum holes are blocked.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
The utility model provides a paper machine vacuum roll online cleaning device, includes the frame, be provided with the roll body in the frame, the roll body both ends are connected with the frame through the roller rotation, be provided with in the frame and be used for the abluent wiper mechanism of roll body outer wall, wiper mechanism includes base, arc support, a plurality of scraping the subassembly that is used for scraping off the paper pulp on the roll body outer wall and is used for erasing the clearance subassembly of the surplus paper pulp on the roll body outer wall, the base is fixed on the frame inner bottom wall, and is located the roll body under, arc support is fixed on the base, and with the roll body coaxial line, the inside recess that has seted up of arc support, a plurality of the subassembly that scrapes evenly rotates along the circumferencial direction of roll body and sets up inside the recess, the clearance subassembly sets up at the recess tail end, still be provided with on the arc support inside wall and be used for scraping the subassembly abluent wiper assembly;
all the scraping assemblies are identical in rotation direction and are in transmission connection with the roll shafts.
As a preferable scheme of the invention, the scraping component comprises a rotating cylinder, a fixed cylinder, two scraping plates and a plurality of abutting pieces, wherein the rotating cylinder is rotatably arranged in an arc-shaped bracket, the fixed cylinder is inserted into the rotating cylinder, the two scraping plates are symmetrically fixed on two sides of the rotating cylinder, a plurality of movable grooves matched with vacuum holes in the roller body are formed in the inner walls of the two scraping plates, and all the abutting pieces are respectively and correspondingly arranged in all the movable grooves in a sliding manner;
In the initial state, the scrapers of the two adjacent scraping assemblies face opposite directions.
As a preferable scheme of the invention, the abutting piece comprises a sliding pipe, an extrusion spring and a concave connecting pipe, wherein the sliding pipe is arranged in the movable groove in a sliding way, a gauze layer is fixedly connected in the sliding pipe, one end of the sliding pipe is matched with a vacuum hole in the roller body, the concave connecting pipe is fixed at the other end of the sliding pipe, the extrusion spring is sleeved on the outer wall of the concave connecting pipe, two ends of the extrusion spring are respectively fixedly connected with the sliding pipe and the movable groove, and two sides in the fixed cylinder are respectively provided with butt joints corresponding to all the movable grooves one by one.
As a preferable scheme of the invention, a gauze layer is fixedly connected at the communication part between the inside of the sliding tube and the concave connecting tube, and an anti-slip rubber gasket is arranged on one side of the outer wall of the sliding tube, which is close to the roller body.
As a preferable scheme of the invention, the arc-shaped baffle is arranged in the groove, a plurality of notches for accommodating the scraping component are formed in the arc-shaped baffle, and a liquid guide port communicated with the base is formed in one side, close to the cleaning component, of the bottom of the arc-shaped support.
As a preferable scheme of the invention, the cleaning component comprises a plurality of spray heads, a containing groove is formed in the arc-shaped support, the spray heads are uniformly arranged in the groove and fixedly connected with the arc-shaped support, all the spray heads are communicated with the containing groove, and a connecting pipe capable of being communicated with the containing groove is arranged on one side of the outer wall of the arc-shaped support.
As a preferable scheme of the invention, both ends of the fixed cylinder extend to the outer wall of the rotary cylinder, and an L-shaped plate is fixedly connected between the end parts of both ends of the fixed cylinder and the frame, wherein one L-shaped plate is provided with the adsorption pump, and the other L-shaped plate is communicated with the water guide pipe.
As a preferable scheme of the invention, the middle part of the fixed cylinder is vertically provided with the partition plate, the partition plate divides the inside of the fixed cylinder into the cavity and the water storage cavity, the output pipe of the adsorption pump is communicated with the water storage cavity, the input pipe is communicated with the cavity, and the water guide pipe is communicated with the water storage cavity.
As a preferable scheme of the invention, two ends of all the rotating cylinders penetrate through the arc-shaped support and extend to the outside of the frame, and all the rotating cylinders are in transmission connection through a plurality of first transmission belts, and one rotating cylinder is in transmission connection with the roll shaft through a second transmission belt.
As a preferable scheme of the invention, the cleaning assembly comprises a fixing seat, a plurality of buffer springs, a telescopic cleaning plate and a sponge, wherein the fixing seat is fixed at the tail end of a groove in the arc-shaped support, the telescopic cleaning plate is arranged on the fixing seat in a sliding manner in the vertical direction, all the buffer springs are uniformly arranged in the fixing seat along the length direction of the fixing seat, the upper end and the lower end of each buffer spring are respectively abutted against the telescopic cleaning plate and the fixing seat, the sponge is fixedly arranged on the telescopic cleaning plate, and the length of the telescopic cleaning plate is equal to that of the outer wall of the roller body.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, through the arrangement of the plurality of scraping assemblies, paper pulp on the outer surface of the roller body can be scraped, and paper pulp and impurities in the vacuum holes in the roller body can be adsorbed and discharged, so that the cleaning effect of the roller body is improved, the roller body is prevented from being blocked, and the product quality and the production efficiency are improved.
(2) According to the invention, the scraper can be timely cleaned after rotating and scraping the paper pulp on the surface of the roller body through the cooperation of the scraping component and the cleaning component, so that the cleaning quality and efficiency are greatly improved, the dewatering efficiency of the vacuum roller is ensured, and the phenomenon that the paper pulp is accumulated on the scraper after being scraped to be solidified and difficult to clean is avoided.
(3) According to the invention, through the arrangement of the abutting component, not only can the vacuum holes inside the vacuum roller be effectively and continuously cleaned, but also the cleaned paper pulp can be discharged in time, so that the cleaning in the vacuum roller holes is ensured, the subsequent cleaning after the abutting piece is cleaned is ensured, the roller body and the abutting piece are not required to be disassembled and cleaned, the cleaning efficiency is greatly improved, the operation can be performed in the paper machine working state, and the normal production is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
Fig. 1 is a schematic perspective view of an on-line cleaning device for a vacuum roll of a paper machine according to an embodiment of the present invention;
fig. 2 is a schematic diagram showing a three-dimensional structure of an online cleaning device for a vacuum roll of a paper machine according to an embodiment of the present invention;
FIG. 3 is a cross-sectional side view of a cleaning mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure at A of FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic view of a part of a cleaning mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a scraping assembly according to an embodiment of the present invention;
Fig. 7 is a schematic cross-sectional view of a cleaning assembly according to an embodiment of the present invention.
Reference numerals in the drawings are respectively as follows: 1. a frame; 2. a roller body; 3. a cleaning mechanism; 4. a base; 6. an arc-shaped bracket; 7. a scraping assembly; 8. cleaning the assembly; 9. a spray head; 10. an L-shaped plate; 11. an adsorption pump; 12. a water conduit; 61. a groove; 62. an arc baffle; 63. a receiving groove; 64. a liquid guide port; 71. a rotating cylinder; 72. a fixed cylinder; 73. a scraper; 74. a contact member; 75. a movable groove; 76. a notch; 81. a fixing seat; 82. a buffer spring; 83. a retractable cleaning plate; 84. a sponge; 721. a partition plate; 722. a cavity; 723. a water storage chamber; 741. a sliding tube; 742. extruding a spring; 743. a concave connecting pipe; 744. an interface; 745. an anti-skid rubber gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, the invention provides an on-line cleaning device for a vacuum roll of a paper machine, which comprises a frame 1, wherein a roll body 2 is arranged on the frame 1, two ends of the roll body 2 are rotationally connected with the frame 1 through a roll shaft, a cleaning mechanism 3 for cleaning the outer wall of the roll body 2 is arranged on the frame 1, the cleaning mechanism 3 comprises a base 4, an arc-shaped bracket 6, a plurality of scraping assemblies 7 for scraping paper pulp on the outer wall of the roll body 2 and a cleaning assembly 8 for cleaning residual paper pulp on the outer wall of the roll body 2, the base 4 is fixed on the inner bottom wall of the frame 1 and is positioned right below the roll body 2, the arc-shaped bracket 6 is fixed on the base 4 and is coaxial with the roll body 2, a groove 61 is formed in the arc-shaped bracket 6, the plurality of scraping assemblies 7 are uniformly rotationally arranged in the groove 61 along the circumferential direction of the roll body 2, the cleaning assembly 8 is arranged at the tail end of the groove 61, and the cleaning assembly for cleaning the scraping assemblies 7 are also arranged on the inner side wall of the arc-shaped bracket 6;
Wherein, the rotation direction between all scraping assemblies 7 is the same, and all are connected with the roller transmission.
When need wash the roll body 2 outer wall, at first through outside actuating mechanism, drive roller rotation such as motor, thereby drive roll body 2 and rotate, rotate when roll body 2 and can drive all striking off subassembly 7 and rotate, thereby strike off the paper pulp on roll body 2 surface, and after the paper pulp strikes off, adsorb the hole of roll body 2 outer wall, thereby adsorb its inside paper pulp and impurity suction, afterwards, roll body 2 rotates through cleaning subassembly 8, further clean roll body 2 surface through cleaning subassembly 8, thereby improve clean efficiency, through the setting of a plurality of striking off subassembly 7, thereby can adsorb the paper pulp and the impurity absorption of vacuum hole inside with roll body 2 outer wall, and wash the paper pulp and the impurity after striking off cleanly through cleaning subassembly, thereby improve roll body 2's clean effect, prevent that roll body 2 from taking place to block up, product quality and production efficiency have been improved.
The scraping assembly 7 comprises a rotating cylinder 71, a fixed cylinder 72, two scraping plates 73 and a plurality of abutting pieces 74, wherein the rotating cylinder 71 is rotatably arranged in the arc-shaped bracket 6, the fixed cylinder 72 is inserted into the rotating cylinder 71, the two scraping plates 73 are symmetrically fixed on two sides of the rotating cylinder 71, a plurality of movable grooves 75 matched with vacuum holes in the roller body 2 are formed in the inner walls of the two scraping plates 73, and all the abutting pieces 74 are respectively and correspondingly arranged in all the movable grooves 75 in a sliding mode;
All the two ends of the rotating cylinders 71 penetrate through the arc-shaped support 6 and extend to the outside of the frame 1, and all the rotating cylinders 71 are in transmission connection through a plurality of first transmission belts, and one rotating cylinder 71 is in transmission connection with the roll shaft through a second transmission belt.
Through the cooperation of first driving belt and second driving belt, can synchronous drive a plurality of rotating drums 71 synchronous rotation when making the rotation of roller belt drive axle body, can drive two scrapers 73 of fixing in its both sides and rotate clockwise when rotating drum 71 to make the scraper 73 rotate and can in time wash after scraping the paper pulp on roll body 2 surface, improved cleaning quality and efficiency greatly, guaranteed the dehydration efficiency of vacuum roll, avoided paper pulp to pile up after striking off and produce solidification and become difficult to wash on scraper 73.
Besides, a driving mechanism may be separately provided for driving one of the rotating cylinders 71 to rotate, and in combination with a plurality of first transmission belts, the rotation frequency of the shaft body and the rotating cylinders 71 is separated, so that the rotation frequency of the scraper 73 is reduced, and the scraper 73 is set to scrape at regular time, and when the scraper 73 scrapes the pulp for a period of time, the rotating cleaning is performed, so that the effect is better.
The cleaning component comprises a plurality of spray heads 9, a containing groove 63 is formed in the arc-shaped support 6, the spray heads 9 are uniformly arranged in the groove 61 and fixedly connected with the arc-shaped support 6, all spray heads 9 are communicated with the containing groove 63, and a connecting pipe capable of being communicated with the containing groove 63 is arranged on one side of the outer wall of the arc-shaped support 6.
The external water source is conveyed into the accommodating groove 63 through the water pipe, after the scraper 73 scrapes the paper pulp, the rotating cylinder 71 drives the scraper 73 to rotate ninety degrees along the pointer, so that the scraper 73 and the roller body 2 are vertical, at the moment, the water source in the accommodating groove 63 is sprayed onto the scraper 73 through the spray head 9, thereby the paper pulp on the scraper 73 is washed cleanly, then the rotating cylinder 71 rotates clockwise, so that the other scraper 73 is abutted against the surface of the roller body 2, the paper pulp scraping work is continued,
The arc-shaped baffle plate 62 is arranged in the groove 61, a plurality of notches 76 for accommodating the scraping assembly 7 are formed in the arc-shaped baffle plate 62, and a liquid guide port 64 communicated with the base 4 is formed in one side, close to the cleaning assembly 8, of the bottom of the arc-shaped support 6.
Through the arrangement of the arc-shaped baffle plate 62, sewage can be prevented from splashing to the surface of the roller body 2 when the spray head 9 washes the scraping plate 73, and the washed sewage can flow to the liquid guide opening 64 along the groove 61 and enter the base 4 from the liquid guide opening 64 to be subjected to unified collection treatment.
It should be noted that, in the present invention, the plurality of scraping assemblies 7, in the initial state, the scraping plates of the adjacent two scraping assemblies 7 are opposite in orientation.
As shown in the figure, the rotation angles of the scrapers 73 in the two adjacent scraping assemblies 7 are opposite, when the scrapers 73 in the first scraping assembly 7 are abutted against the surface of the roller body 2, the two scrapers 73 in the second scraping assembly 7 are in a state deviating from the roller body 2, and the subsequent scraping assemblies 7 are sequentially arranged, so that the rotation speed of the scrapers 73 is high or one of the scraping assemblies 7 is rotated to a cleaning state, the other scraping assemblies 7 can rotate and abutted against the outer wall of the roller body 2 to perform scraping work, and continuity of the scraping state is ensured.
Further, because the viscosity of paper pulp, when scraper 73 scrapes off the outer wall paper pulp of roll body 2, a small amount of paper pulp also can enter into the vacuum hole along with the scraping action of scraper 73, thereby lead to vacuum hole to block up, consequently, through setting up conflict piece 74, will set up inside movable groove 75 with conflict piece 74, so that conflict piece 74 contradicts at the outer wall of roll body 2 and clear up the hole of roll body 2 outer wall, conflict piece 74 includes sliding tube 741, extrusion spring 742 and concave connection pipe 743, sliding tube 741 slides and sets up inside movable groove 75, and sliding tube 741 inside fixedly connected with gauze layer, sliding tube 741 one end matches with the inside vacuum hole of roll body 2, concave connection pipe 743 is fixed at sliding tube 741's the other end, extrusion spring 742 cover is established at concave connection pipe 743 outer wall, extrusion spring 742 both ends respectively with sliding tube 741 and movable groove 75 fixed connection, the butt joint 744 with all movable groove 75 one-to-one has all been seted up to the inside both sides of fixed cylinder 72.
The both ends of fixed cylinder 72 all extend to the outer wall of rotating cylinder 71, and fixed cylinder 72 both ends tip all with frame 1 between fixedly connected with L template 10, install adsorption pump 11 on one of them L template 10, communicate on another L template 10 and have aqueduct 12.
The middle part of the fixed cylinder 72 is vertically provided with a separation plate 721, the separation plate 721 divides the inside of the fixed cylinder 72 into a cavity 722 and a water storage cavity 723, an output pipe of the adsorption pump 11 is communicated with the water storage cavity 723, an input pipe is communicated with the cavity 722, and the water guide pipe 12 is communicated with the water storage cavity 723.
The yarn cloth layer is fixedly connected to the communication part of the inside of the sliding tube 741 and the concave connecting tube 743, and an anti-slip rubber gasket 745 is arranged on one side of the outer wall of the sliding tube 741, which is close to the roller body 2.
When the scraper 73 rotates to abut against the surface of the roller body 2, most of pulp is scraped by the scraper 73, a small amount of pulp is pushed into the hole on the outer wall of the roller body 2, at this time, the suction pump 11 is started, negative pressure is generated inside the cavity 722 through the input pipe of the suction pump 11, when the scraper 73 rotates to abut against the surface of the roller body 2, the abutting joint 744 is communicated with the movable groove 75, so that the inside of the sliding pipe 741 generates adsorption force, when the roller body 2 rotates to the position where the hole corresponds to the movable groove 75, the adsorption force inside the sliding pipe 741 adsorbs the pulp or impurities inside the hole into the sliding pipe 741, then after the scraper 73 rotates to clean the sliding pipe 741, the scraper 73 on the other side of the rotating fixed cylinder 72 abuts against the surface of the roller body 2, then the positions of the sliding pipe 741 in the two abutting pieces 74 are replaced, at this time, the suction pump 11 output pipe adsorbs gas inside the cavity 722 and then discharges the gas inside the water storage cavity 723 into the water storage cavity 723, so that the water source inside the water storage cavity 723 is ejected from the abutting joint 744 to the position of the sliding pipe 741, and the impurities accumulated inside the sliding pipe 741 are adsorbed by the adsorption force, so that the pulp or impurities inside the sliding pipe 741 can be washed out, and the sliding pipe 741 can be cleaned, thereby achieving the effect of cleaning the sliding pipe 741.
Further, the sliding tube 741 can be pushed to be close to and abut against the outer surface of the roller body 2 all the time through the arrangement of the extrusion spring 742, and the anti-slip rubber gasket 745 is arranged on one side, close to the roller body 2, of the outer wall of the sliding tube 741, so that the anti-slip rubber gasket 745 can be guaranteed to abut against the outer surface of the roller body 2 all the time and is attached to the outer surface of the roller body 2, the adsorption force of the sliding tube 741 is improved, and moreover, the yarn cloth layer is arranged inside the sliding tube 741, so that paper pulp and impurities can be prevented from directly entering the butt joint 744 and the cavity 722, and the problem that the cleaning is difficult to be caused is solved, and meanwhile, the arrangement of the yarn cloth layer does not influence the circulation of gas. The invention can effectively and continuously clean the vacuum holes in the vacuum roller through the arrangement of the abutting piece 74, keep the vacuum roller clean for a long time, and can operate in the working state of the paper machine without influencing normal production.
The cleaning assembly 8 comprises a fixing seat 81, a plurality of buffer springs 82, a telescopic cleaning plate 83 and a sponge 84, wherein the fixing seat 81 is fixed at the tail end of a groove 61 in the arc-shaped support 6, the telescopic cleaning plate 83 is arranged on the fixing seat 81 in a sliding manner in the vertical direction, all the buffer springs 82 are uniformly arranged inside the fixing seat 81 along the length direction of the fixing seat 81, the upper end and the lower end of each buffer spring 82 respectively collide with the telescopic cleaning plate 83 and the fixing seat 81, the sponge 84 is fixedly arranged on the telescopic cleaning plate 83, and the length of the telescopic cleaning plate 83 is equal to the length of the outer wall of the roller body 2.
After the paper pulp on the outer surface of the roller body 2 is scraped by the plurality of scraping assemblies 7, the sponge 84 can be always abutted against the outer surface of the roller body 2 through the matching of the buffer spring 82 and the telescopic cleaning plate 83, when the roller body 2 rotates to be abutted against the sponge 84, residual liquid on the surface of the roller body can be further scraped through the sponge 84, the paper pulp is prevented from being remained, and the cleaning effect is enhanced.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (5)
1. The utility model provides a paper machine vacuum roller online cleaning device, includes frame (1), be provided with roll body (2) on frame (1), roll body (2) both ends are connected its characterized in that through roller and frame (1) rotation: the cleaning mechanism (3) for cleaning the outer wall of the roller body (2) is arranged on the rack (1), the cleaning mechanism (3) comprises a base (4), an arc-shaped support (6), a plurality of scraping assemblies (7) for scraping paper pulp on the outer wall of the roller body (2) and cleaning assemblies (8) for scraping residual paper pulp on the outer wall of the roller body (2), the base (4) is fixed on the inner bottom wall of the rack (1) and is positioned right below the roller body (2), the arc-shaped support (6) is fixed on the base (4) and is coaxial with the roller body (2), grooves (61) are formed in the arc-shaped support (6), the scraping assemblies (7) are uniformly arranged in the grooves (61) in a rotating mode along the circumferential direction of the roller body (2), the cleaning assemblies (8) are arranged at the tail ends of the grooves (61), and cleaning assemblies for cleaning the scraping assemblies (7) are further arranged on the inner side walls of the arc-shaped support (6), and all the scraping assemblies (7) are in the same in rotating direction and are in transmission connection with the inner side walls of the rollers.
The scraping assembly (7) comprises a rotating cylinder (71), a fixed cylinder (72), two scraping plates (73) and a plurality of abutting pieces (74), wherein the rotating cylinder (71) is rotatably arranged in an arc-shaped support (6), the fixed cylinder (72) is inserted into the rotating cylinder (71), the two scraping plates (73) are symmetrically fixed on two sides of the rotating cylinder (71), a plurality of movable grooves (75) matched with vacuum holes in the roller body (2) are formed in the inner wall of each scraping plate (73), all the abutting pieces (74) are slidably arranged in all the movable grooves (75) in a one-to-one correspondence mode, and in an initial state, the directions of the scraping plates of the adjacent two scraping assemblies (7) are opposite;
The device is characterized in that the abutting piece (74) comprises a sliding tube (741), an extrusion spring (742) and a concave connecting tube (743), the sliding tube (741) is arranged inside the movable groove (75) in a sliding mode, one end of the sliding tube (741) is matched with a vacuum hole in the roller body (2), the concave connecting tube (743) is fixed at the other end of the sliding tube (741), the extrusion spring (742) is sleeved on the outer wall of the concave connecting tube (743), two ends of the extrusion spring (742) are fixedly connected with the sliding tube (741) and the movable groove (75) respectively, and the two sides of the inner part of the fixed cylinder (72) are provided with butt joints (744) which are in one-to-one correspondence with all the movable grooves (75);
A gauze layer is fixedly connected to the communication part between the inside of the sliding tube (741) and the concave connecting tube (743), and an anti-slip rubber gasket (745) is arranged on one side, close to the roller body (2), of the outer wall of the sliding tube (741);
two ends of the fixed cylinder (72) extend to the outer wall of the rotary cylinder (71), and two end parts of the fixed cylinder (72) are fixedly connected with an L-shaped plate (10) with the frame (1), wherein an adsorption pump (11) is arranged on one L-shaped plate (10), and a water guide pipe (12) is communicated with the other L-shaped plate (10);
the middle part of the fixed cylinder (72) is vertically provided with a separation plate (721), the separation plate (721) divides the inside of the fixed cylinder (72) into a cavity (722) and a water storage cavity (723), an output pipe of the adsorption pump (11) is communicated with the water storage cavity (723), an input pipe is communicated with the cavity (722), and the water guide pipe (12) is communicated with the water storage cavity (723).
2. The on-line cleaning device for a vacuum roll of a paper machine according to claim 1, wherein: set up arc baffle (62) in recess (61), a plurality of notch (76) that are used for holding scraping subassembly (7) are offered to arc baffle (62) inside, liquid drain mouth (64) with base (4) intercommunication have been offered to one side that is close to clearance subassembly (8) in arc support (6) bottom.
3. The on-line cleaning device for a vacuum roll of a paper machine according to claim 1, wherein: the cleaning assembly comprises a plurality of spray heads (9), a containing groove (63) is formed in the arc-shaped support (6), the spray heads (9) are uniformly arranged in the grooves (61) and are fixedly connected with the arc-shaped support (6), the spray heads (9) are communicated with the containing groove (63), and a connecting pipe capable of being communicated with the containing groove (63) is arranged on one side of the outer wall of the arc-shaped support (6).
4. The on-line cleaning device for a vacuum roll of a paper machine according to claim 1, wherein: all the two ends of the rotating cylinders (71) penetrate through the arc-shaped support (6) and extend to the outside of the frame (1), and all the rotating cylinders (71) are in transmission connection through a plurality of first transmission belts, and one rotating cylinder (71) is in transmission connection with the roll shaft through a second transmission belt.
5. The on-line cleaning device for a vacuum roll of a paper machine according to claim 1, wherein: cleaning component (8) are including fixing base (81), a plurality of buffer spring (82), flexible cleaning plate (83) and sponge (84), fixing base (81) are fixed in inside recess (61) tail end department of arc support (6), flexible cleaning plate (83) are vertical direction slip setting on fixing base (81), all buffer spring (82) are inside fixing base (81) along fixing base (81) length direction evenly setting, just both ends are inconsistent with flexible cleaning plate (83) and fixing base (81) respectively about buffer spring (82), sponge (84) are fixed to be set up on flexible cleaning plate (83), the length of flexible cleaning plate (83) equals with roll body (2) outer wall length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410423984.8A CN118007463B (en) | 2024-04-10 | 2024-04-10 | Online cleaning device for vacuum roller of paper machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410423984.8A CN118007463B (en) | 2024-04-10 | 2024-04-10 | Online cleaning device for vacuum roller of paper machine |
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| Publication Number | Publication Date |
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| CN118007463A CN118007463A (en) | 2024-05-10 |
| CN118007463B true CN118007463B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410423984.8A Active CN118007463B (en) | 2024-04-10 | 2024-04-10 | Online cleaning device for vacuum roller of paper machine |
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| Country | Link |
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| CN (1) | CN118007463B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215405319U (en) * | 2021-05-18 | 2022-01-04 | 浏阳市天和纸业有限公司 | Scraper for squeezing vacuum roll |
| CN216911178U (en) * | 2022-02-23 | 2022-07-08 | 洛阳市恒华实业有限公司 | Roller surface impurity removing device for producing base cloth drawn wires |
| CN220426062U (en) * | 2023-07-03 | 2024-02-02 | 汇胜集团股份有限公司 | Pulping cylinder screen cleaning device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO129640B (en) * | 1963-02-14 | 1974-05-06 | Beloit Corp | |
| CA2261085C (en) * | 1999-02-01 | 2005-01-18 | Bowater Pulp And Paper Canada Inc. | High pressure reciprocating suction roll shower |
| FI3977U1 (en) * | 1999-03-05 | 1999-05-19 | Valmet Corp | cleaning device |
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2024
- 2024-04-10 CN CN202410423984.8A patent/CN118007463B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215405319U (en) * | 2021-05-18 | 2022-01-04 | 浏阳市天和纸业有限公司 | Scraper for squeezing vacuum roll |
| CN216911178U (en) * | 2022-02-23 | 2022-07-08 | 洛阳市恒华实业有限公司 | Roller surface impurity removing device for producing base cloth drawn wires |
| CN220426062U (en) * | 2023-07-03 | 2024-02-02 | 汇胜集团股份有限公司 | Pulping cylinder screen cleaning device |
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| CN118007463A (en) | 2024-05-10 |
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