CN110509614B - Efficient and rapid drying method for paper tube - Google Patents
Efficient and rapid drying method for paper tube Download PDFInfo
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- CN110509614B CN110509614B CN201910795977.XA CN201910795977A CN110509614B CN 110509614 B CN110509614 B CN 110509614B CN 201910795977 A CN201910795977 A CN 201910795977A CN 110509614 B CN110509614 B CN 110509614B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C11/00—Machinery for winding combined with other machinery
- B31C11/06—Machinery for winding combined with other machinery for drying the wound and impregnated articles
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Abstract
The invention provides a high-efficiency and rapid paper tube drying method which comprises a feeding step, a transferring step, an outer wall drying step, an inner wall drying step, a waste gas discharging step, a jacking transferring step, a continuous drying step and an unloading step.
Description
Technical Field
The invention relates to the technical field of drying and processing of paper tubes, in particular to a high-efficiency and quick drying method for a paper tube.
Background
After the paper tube is rolled, glue contained in the paper tube during rolling needs to be dried, a boiler is generally adopted to generate steam, the steam is input into a drying box body through a pipeline to be heated and dried, the heat energy of the steam pipeline in the drying box body is transferred to the surface layer of the paper tube through natural convection of air in a room, then the heat energy gradually penetrates into the inner layer of the wall thickness of the paper tube, meanwhile, the relative humidity of the air in the room is increased along with the evaporation of water in the paper tube, therefore, the drying speed of the paper tube is slow, 2-3 days are generally needed, meanwhile, a large amount of heat energy in the air is transferred to the ground and the wall of the drying box body, the energy consumption is large, the cost is high, the emission pollution of the boiler is large, and in addition, the deformation can be generated due to the uneven heating and drying of the paper tube.
Patent document CN201710242660.4 discloses a paper tube drying device, which comprises a drying box and a support, wherein the drying box is placed on the support, and the drying box comprises: a box body; the drying array is arranged in the center of the interior of the box body, penetrates through the front and the back of the box body and is formed by sequencing a plurality of drying pipe arrays; the heating layer is arranged in a crack of the drying array; the heat insulation layer is arranged in the box body and wrapped on the drying array.
Although, above-mentioned patent discloses a drying device for fiber container, it is directly to place the fiber container and dry in the drying tube, and the unable quick discharge of steam that the stoving produced still can lead to relative humidity to be bigger and bigger.
Disclosure of Invention
In order to solve the problems, the invention provides a high-efficiency and rapid drying method for a paper tube, which comprises the steps of drying the outer circumference of the paper tube by using a drying roller in an outer wall drying step, simultaneously drying the inner circumference of the paper tube by using a heating air jet in an inner wall drying step, and blocking the heating air jet intermittently to form intermittent air flow heating so as to ensure the air circulation of the inner circumference of the paper tube, and rapidly discharging waste gas by using a waste gas discharge cover in a waste gas discharge step so as to avoid the relative humidity in a drying box body from becoming larger and larger, thereby solving the technical problem that the traditional paper tube drying equipment cannot achieve high-standard paper tube drying.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-efficiency quick drying method for a paper tube comprises the following steps:
feeding, namely placing a paper tube in a filling bin on a filling frame at a filling opening at one end of a drying box in the length direction, and pushing the paper tube into the drying box by pushing the filling frame;
after the filling frame is pushed into the drying box body, the paper tube placed in the filling bin rolls along the bearing plate obliquely arranged at the bottom of the filling bin to a drying group arranged on one side of the lower end part of the bearing plate, the drying group comprises a plurality of drying rollers equidistantly arranged along the length direction of the drying box body, and the paper tube is transferred to a gap position close to the adjacent drying rollers of the bearing plate after being rolled and output from the bearing plate and is borne by a free roller positioned at the gap position adjacent to the drying rollers;
step three, drying the outer wall, inputting hot gas into the hollow interior of the drying roller by an external hot gas source through an air inlet pipe, and discharging the hot gas into the drying box body from an air supply hole on the outer circumference of the drying roller to perform drying treatment on the side wall of the outer circumference of the paper tube;
step four, drying the inner wall, and synchronously with the step three, in the process that an external air source introduces hot gas into the drying rollers through an air inlet pipe, the external hot gas source synchronously inputs hot gas to a heating air jet positioned between the adjacent drying rollers through the air inlet pipe, the heating air jet is positioned in the coverage range of the inner circumference of the paper tube carried by the free rollers, and the hot gas sprayed by the heating air jet dries the side wall of the inner circumference of the paper tube;
step five, discharging waste gas, wherein in the process that the drying roller and the heating air jet respectively perform drying treatment on the inner and outer circumferential side walls of the paper tube, a waste gas discharge cover positioned right above the paper tube discharges hot waste gas after drying treatment to the outside of the drying box body through an exhaust pipe communicated with the outside;
step six, jacking and transferring, wherein lifting rods in the driving device are respectively connected with two axial ends of the free roller, a conveying belt positioned below the lifting rods is conveyed in a rotating mode to drive wedge blocks mounted on the conveying belt to be in interference fit with balls at the lower end portions of the lifting rods, so that the lifting rods drive paper cylinders borne by the free rollers to be lifted, in the lifting process, driving racks mounted on the lifting rods are meshed with transmission gears mounted on rotating shafts of waste gas discharge hoods to drive the waste gas discharge hoods to rotate and swing, and the lifted paper cylinders are stirred to move for the distance of one drying roller towards a discharge opening at the other end in the length direction of the drying box body;
step seven, continuously drying, repeating the step three to the step six for a plurality of times, and transferring the paper tube to a discharging bin on a discharging frame at a discharging opening; and
and step eight, discharging, namely transferring the paper tube into a discharging bin, and outputting the paper tube from the drying box body by pulling a discharging frame to finish drying treatment.
As an improvement, in the first step, the filling frame is pushed by the filling cylinders arranged at two ends of the filling frame in the vertical direction, so that the filling frame horizontally moves along the transfer direction of the paper tubes in the drying box body to feed the paper tubes into the drying box body.
In the fourth step, the heating air jet port intermittently performs air jet drying on the inner circumferential side wall of the paper tube placed on the free roller.
As the improvement, the intermittent type nature jet-propelled of heating jet is controlled by the piece of stirring on the conveyer belt, stirs the ball conflict cooperation of piece and lifting rod tip down, makes the undulant lifting of lifting rod, carries out intermittent type nature shutoff to the heating jet.
As an improvement, in the process that the lifting rod is driven by the poking block to poke and lift, the rotation gear arranged on the free roller is meshed with the rotation rack arranged on the drying box body, so that the free roller rotates around the axial direction of the free roller.
As an improvement, in the sixth step, the wedge-shaped block on the conveying belt is in abutting fit with the ball at the lower end of the lifting rod, so that in the process that the lifting rod drives the paper tube loaded by the free roller to lift, the free roller arranged in the same drying group is sequentially lifted according to the sequence from near to far away from the discharge opening by means of the rotation of the conveying belt, and the paper tube is gradually moved towards the discharge opening.
As an improvement, in the sixth step, the wedge-shaped block on the conveying belt is in interference fit with the ball at the lower end of the lifting rod, so that in the process that the lifting rod drives the paper tube loaded by the free rollers to lift, the lifting rod drives all the free rollers in the same vertical column to lift synchronously along the height direction of the drying box body.
In the sixth step, after the paper tube between the adjacent drying rollers close to the filling opening is shifted to the discharge opening by the distance of one drying roller, the filling frame at the filling opening inputs a new paper tube into the drying box body.
In the sixth step, the number of the wedge-shaped blocks on the conveying belt is inversely proportional to the drying time of the paper tube in the drying box.
And in the eighth step, the discharging frame is pushed by the inclined material cylinders arranged at two ends of the discharging frame in the vertical direction, so that the discharging frame can horizontally move along the transfer direction of the paper tubes in the drying box body to discharge the paper tubes from the drying box body.
The system of the invention has the advantages that:
(1) according to the invention, the outer circumference of the paper tube is dried by the drying roller in the outer wall drying step, the inner circumference of the paper tube is dried by the heating air jet in the inner wall drying step, and the waste gas is rapidly discharged by the waste gas discharge cover in the waste gas discharging step, so that the relative humidity in the drying box body is prevented from increasing, the rapid discharge of moisture in the paper tube drying process is realized, the inner circumference and the outer circumference of the paper tube are synchronously dried, and the uniformity is better;
(2) in the process of up-and-down movement of the free roller in the inner wall drying step, the heating air jet ports are intermittently blocked by the connecting plates, so that the hot air in the inner circumference of the paper tube forms intermittent eruption, the hot air enters the paper tube and is dried for a period of time to form moisture, and the moisture is extruded out of the inner circumference of the paper tube by the hot air which is re-erupted, so that the flow and discharge of the moisture in the inner circumference of the paper tube are accelerated;
(3) according to the invention, the air on the paper cylinder flows fast and slowly through the lifting and stopping of the free roller in the jacking transfer step, when the paper cylinder stops on the free roller, the paper cylinder is wrapped by hot air for drying, at the moment, the hot air is concentrated on the paper cylinder, the hot air flowing speed is slow, the drying efficiency is high, and after the paper cylinder is dried for a period of time, the paper cylinder is quickly lifted along with the free roller, so that moisture generated in the drying process flows fast and cannot be gathered nearby the paper cylinder, and the drying efficiency is improved;
(4) according to the invention, when the free roller is lifted in the jacking transfer step, the friction force generated between the self rotation of the free roller and the paper tube is utilized to drive the paper tube to perform self rotation, and the contact positions between the paper tube and the free roller and between the paper tube and the drying roller are switched, so that the uniform drying of the paper tube is realized, and the deformation of the paper tube caused by nonuniform drying is avoided;
(5) according to the invention, in the feeding step and the discharging step, the material filling opening and the material discharging opening are arranged on the side wall of the drying box body where the length direction and the height direction are located, compared with the traditional linear feeding and linear discharging mode, the feeding and discharging mode is adopted in the invention, the feeding and discharging mode is vertical to the conveying direction of the drying box body, the sizes of the input opening and the output opening are reduced, and the heat loss is avoided;
(6) in the step of discharging the waste gas, the waste gas discharge cover is utilized to quickly link and swing along with the lifted free roller while removing the moisture of the paper tube, so that the paper tube can roll towards the direction of an output port, the continuous operation of drying the paper tube is realized, the direct drying and connection of the paper tube and the paper tube are tight, and the automation degree is higher;
(7) in the jacking and transferring step, in the process of stirring the paper tube to convey by swinging the waste gas discharge cover, the waste gas discharge cover also utilizes the speed generated by swinging to quickly discharge moisture and stir the flowing of air flow, so that the next paper tube entering the lower part of the waste gas discharge cover can be quickly wrapped by hot air to be dried;
(8) in the jacking transfer step, the number of the wedge blocks on the conveying belt can be adjusted according to the drying speed and the drying time of the paper tube, the more the number of the wedge blocks is, the shorter the retention time of the paper tube in the drying chamber is, and the drying efficiency of the paper tube with low water content can be improved by the way.
In conclusion, the paper tube drying device has the advantages of good paper tube drying effect, high density after drying, less heat loss of the drying box body and the like, and is particularly suitable for the technical field of paper tube drying processing.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic perspective view of the present invention
FIG. 5 is a rear view of the present invention;
FIG. 6 is a schematic perspective view of a drying roller according to the present invention;
FIG. 7 is a schematic perspective view of the exhaust hood of the present invention;
FIG. 8 is a schematic structural view of a limiting clamping block according to the present invention;
FIG. 9 is a schematic view of the arrangement of the drying roller and the paper tube according to the present invention;
FIG. 10 is a schematic structural view of a heating air nozzle in a blocking state according to the present invention;
FIG. 11 is a schematic view of a swing structure of the exhaust hood according to the present invention;
FIG. 12 is a schematic view of the engagement structure of the transmission gear and the transmission rack according to the present invention;
FIG. 13 is a schematic view of the self-rotation structure of the paper tube of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1:
as shown in fig. 1, a method for efficiently and rapidly drying a paper tube includes:
feeding, namely placing a paper tube 20 in a filling bin 21 on a filling frame 22 at a filling opening 11 at one end of a drying box body 1 in the length direction, and pushing the paper tube 20 into the drying box body 1 by pushing the filling frame 22;
step two, transferring, after the filling frame 22 is pushed into the drying box body 1, the paper tube 20 placed in the filling bin 21 rolls along the bearing plate 211 obliquely arranged at the bottom of the filling bin 21 to the drying group 4 arranged at one side of the lower end part of the bearing plate 211, the drying group 4 comprises a plurality of drying rollers 41 equidistantly arranged along the length direction of the drying box body 1, the paper tube 20 is transferred to a gap of the adjacent drying rollers 41 close to the bearing plate 211 after being rolled and output from the bearing plate 211, and is borne by the free rollers 5 positioned at the gap of the adjacent drying rollers 41;
step three, drying the outer wall, inputting hot gas into the hollow interior of the drying roller 41 through an air inlet pipe 413 by an external hot gas source, and discharging the hot gas into the drying box body 1 from an air supply hole 414 on the outer circumference of the drying roller 41 to perform drying treatment on the outer circumferential side wall of the paper tube 20;
step four, drying the inner wall, and synchronously with the step three, in the process that an external air source introduces hot gas to the drying rollers 41 through the air inlet pipe 413, the external hot air source synchronously inputs the hot gas to the heating air jet openings 42 positioned between the adjacent drying rollers 41 through the air inlet pipe 413, the heating air jet openings 42 are positioned in the coverage range of the inner circumference of the paper tube 20 carried by the free roller 5, and the hot gas ejected by the heating air jet openings 42 dries the side wall of the inner circumference of the paper tube 20;
step five, exhaust gas is discharged, and in the process of respectively drying the inner and outer circumferential side walls of the paper tube 20 by the drying roller 41 and the heating air jet 42 synchronously with the step three and the step four, the exhaust gas discharge cover 6 positioned right above the paper tube 20 discharges the hot exhaust gas after drying treatment to the outside of the drying box body 1 through the exhaust pipe 621 communicated with the outside;
step six, jacking and transferring, wherein a lifting rod 711 in a driving device 7 is respectively connected with two axial ends of a free roller 5, a conveying belt 716 positioned below the lifting rod 711 carries out rotary conveying, a wedge block 7162 arranged on the conveying belt 716 is driven to be in interference fit with a ball 715 at the lower end part of the lifting rod 711, so that the lifting rod 711 drives a paper tube 20 borne by the free roller 5 to lift, in the lifting process, a transmission rack 723 arranged on the lifting rod 711 is meshed with a transmission gear 722 arranged on a rotating shaft of an exhaust emission cover 6 to drive the exhaust emission cover 6 to rotate and swing, and the lifted paper tube 20 is shifted to move by a distance of one drying roller 41 towards a discharge opening 12 at the other end in the length direction of the drying box body 1;
step seven, continuously drying, repeating the step three to six for a plurality of times, and transferring the paper tube 20 into a discharge bin 31 on a discharge frame 32 at the discharge opening 12; and
and step eight, discharging, transferring the paper tube 20 in the discharging bin 31, and outputting the paper tube 20 from the drying box body 1 by pulling the discharging frame 32 to finish the drying treatment.
It should be noted that, different from the conventional drying method, in the lift-up transfer step, the free roller 5 is disposed between adjacent drying rollers 41 for drying, and the paper tube 20 can be lifted up and conveyed to the next drying roller 41 after being dried for a certain time by the vertical lifting of the free roller 5, and the moisture generated by drying in the waste gas discharging step can be directly collected by the waste gas discharging hood 6 and quickly discharged to the outside of the drying box 1 without staying in the drying box 1 for a long time, so as to avoid the moisture from accumulating to affect the drying of the paper tube 20, the relative humidity is higher and higher, and the paper tube 20 can bring the stirring of the air flow during the lift-up rolling transfer step, so as to avoid the uneven drying of the paper tube 20, and in addition, while the outer circumference of the paper tube 20 is dried by the drying rollers 41, the inner circumference of the paper tube 20 is subjected to hot gas input by the heating air injection port 42 in the inner wall drying step, the inner circumference and the outer circumference of the paper tube are heated and dried simultaneously, the paper tube is dried more uniformly, meanwhile, the lifting assembly 71 is utilized to lift and rotate the paper tube 20 intermittently, contact points between the paper tube 20 and the free roller 5 and the drying roller 41 are changed, the drying uniformity is improved, in the process that the lifting assembly 71 lifts the paper tube 20, the lifting assembly 71 synchronously carries out intermittent plugging on the heating air jet 42, hot air in the inner circumference of the paper tube forms intermittent eruption, after the hot air enters the paper tube to be dried for a period of time to form moisture, the hot air which is erupted again extrudes the moisture out of the inner circumference of the paper tube, and the flowing and discharging of the moisture in the inner circumference of the paper tube are accelerated.
In the first step, the stuffing frame 22 is pushed by the stuffing cylinders 23 disposed at both ends of the stuffing frame in the vertical direction, so that the stuffing frame 22 moves horizontally in the direction perpendicular to the transfer direction of the paper tube 20 inside the drying box 1 to feed the paper tube 20 into the drying box 1.
Further, in the eighth step, the discharge frame 32 is pushed by the inclined material cylinders 33 arranged at two ends of the discharge frame in the vertical direction, so that the discharge frame 32 horizontally moves along the transfer direction perpendicular to the paper tube 20 inside the drying box 1 to discharge the paper tube 20 from the drying box 1.
It should be noted that, through setting up the filler opening 11 and the discharge opening 12 on the lateral wall at the length direction and the direction of height place of stoving box 1, more traditional sharp feeding straight line ejection of compact mode adopts the mode of perpendicular to stoving box 1 direction of delivery to carry out feeding and ejection of compact, and open-ended size when opening and ejection of compact when can reducing the feeding avoids feeding and the loss of the interior heat of ejection of compact in-process stoving box 1.
In the fourth step, the heated air jet ports 42 intermittently perform air jet drying on the inner circumferential side wall of the paper tube 20 placed on the free roller 5.
Furthermore, the intermittent air injection of the heating air injection port 42 is controlled by a toggle block 717 on the conveying belt 716, and the toggle block 717 is in interference fit with a ball 715 at the lower end of the lifting rod 711, so that the lifting rod 711 is lifted in a fluctuating manner, and the heating air injection port 42 is intermittently plugged.
Furthermore, in the process that the lifting rod 711 is driven by the toggle block 717 to toggle and lift, the rotation gear 718 installed on the free roller 5 is engaged with the rotation rack 719 installed on the drying box 1, so that the free roller 5 rotates around the axial direction thereof.
It should be noted that the conveying belt 716 is provided with a fluctuation block 717, the height of the toggle block 717 is smaller than that of the wedge-shaped block 7162, so that the paper tube 20 cannot be conveyed towards the discharge opening 12, but the paper tube 20 can fluctuate up and down, and the heating air jet 42 is blocked by the connecting plate 7111 through fluctuation of the free roller 5, so that intermittent opening and closing of the heating air jet 42 is realized.
In the process of fluctuation and lifting of the free roller 5, the free roller 5 rotates automatically due to the matching of the rotation gear 718 and the rotation rack 719 on the free roller 5, and the free roller 5 is provided with a pattern for increasing friction force, so that the paper tube 20 rotates automatically due to the friction between the free roller 5 and the paper tube 20.
In the sixth step, in a preferable embodiment, in the process of abutting and matching the wedge-shaped blocks 7162 on the conveying belt 716 with the balls 715 at the lower end of the lifting rod 711, when the lifting rod 711 drives the paper tube 20 carried by the free rollers 5 to lift, the free rollers 5 arranged in the same drying group 4 are sequentially lifted according to the sequence from near to far from the discharge opening 12 by virtue of the rotation of the conveying belt 716, so that the paper tube 20 gradually moves towards the discharge opening 12.
Further, in the sixth step, the wedge-shaped block 7162 on the conveying belt 716 is in interference fit with the ball 715 at the lower end of the lifting rod 711, so that in the process that the lifting rod 711 drives the paper tube 20 borne by the free rollers 5 to lift, the lifting rod 711 drives all the free rollers 5 located in the same vertical column to lift synchronously along the height direction of the drying box 1.
It should be noted that the free rollers 5 are sequentially lifted from the near to the far from the discharge opening 12, so that after the paper tube 20 closest to the discharge opening 12 is output through the discharge bin 31, the subsequent paper tubes 20 can sequentially move to the discharge opening 12 by the distance of one drying roller 41, and the continuous automatic drying treatment of the paper tubes 20 is realized.
Further, in order to improve the drying efficiency of the paper tubes 20, the lifting assembly 71 synchronously lifts the free rollers 5 in the same vertical column, so that the paper tubes 20 in the same vertical column synchronously move, and the drying efficiency is higher.
In the sixth step, after the paper tube 20 between the adjacent drying rollers 41 near the filling opening 11 is shifted by the distance of one drying roller 41 toward the discharge opening 12, the filling frame 22 at the filling opening 11 inputs a new paper tube 20 into the drying box 1.
In a preferred embodiment, in the sixth step, the number of the wedge blocks 7162 on the conveyer belt 716 is set in inverse proportion to the drying time of the paper tube 20 in the drying box 1.
It should be noted that, the number of the wedge blocks 7162 on the conveying belt 716 is adjusted according to the drying speed and the drying time of the paper tube 20, and the larger the number of the wedge blocks 7162 is, the shorter the retention time of the paper tube 20 in the drying chamber 1 is, and the drying efficiency of the paper tube 20 with low moisture content can be improved by this way.
Example 2:
a paper tube efficient and rapid drying device in embodiment 2 of the present invention is described with reference to embodiment 1.
As shown in fig. 2 to 5, an efficient and fast drying apparatus for paper cartridges includes:
the drying box comprises a drying box body 1, wherein the drying box body 1 is a cuboid, a filling opening 11 and a discharging opening 12 are respectively formed in two ends of the drying box body 1 in the length direction, the filling opening 11 is higher than the discharging opening 12, symmetrical concave parts 13 are arranged on the lower portion of the side wall of the drying box body 1 in the length direction and the height direction, and the concave parts 13 are arranged along the length direction of the drying box body 1;
the filling device 2 is arranged at the filling opening 11 and comprises a plurality of filling bins 21 which are arranged in parallel, the filling bins 21 are horizontally arranged along the width direction of the drying box body 1, and the filling bins 21 horizontally move along the length direction which is vertical to the drying box body 1 to convey the paper tube 20 into the drying box body 1;
the discharging device 3 is arranged at the discharging opening 12, and comprises a plurality of discharging bins 31 which are in one-to-one correspondence with the filling bins 21 and are arranged in parallel, the discharging bins 31 are horizontally arranged along the width direction of the drying box body 1, and the discharging bins 31 horizontally move along the direction vertical to the length direction of the drying box body 1 to output the paper tubes 20 from the drying box body 1; and
the drying group 4 is provided with a plurality of groups at equal intervals along the height direction of the drying box body 1, the drying groups 4 are all arranged between the corresponding filling bin 21 and the corresponding discharging bin 31, the drying group 4 comprises a plurality of drying rollers 41 arranged at equal intervals along the length direction of the drying box body 1 and heating air outlets 42 arranged between the adjacent drying rollers 41, the paper tube 20 is placed between the adjacent drying rollers 41, the drying rollers 41 are communicated with an external hot air source uniformly distributed on the heating air outlets 42, the drying rollers 41 discharge hot air to heat and dry the outer circumference of the paper tube 20, and the heating air outlets 42 discharge hot air to heat and dry the inner circumference of the paper tube 20;
the free rollers 5 are arranged between the adjacent drying rollers 41 in the same drying group 4, are positioned in the same vertical column with the corresponding heating air nozzles 42, and bear the paper tube 20 positioned between the adjacent drying rollers 41;
the waste gas discharge covers 6 are arranged corresponding to the free rollers 5 one by one, are arranged right above the corresponding free rollers 5, and discharge moisture generated after the paper tubes 20 in the drying box body 1 are dried; and
drive arrangement 7, drive arrangement 7 symmetry set up in drying roller 41 axial both sides, it is including the drive lifting subassembly 71 and the drive of free roller 5 lifting the rotatory swing of exhaust emission cover 6 is stirred the fiber container 20 to the swing subassembly 72 that discharge opening 12 direction removed, lifting subassembly 71 drive when the free roller 5 lifting, synchronous drive the rotation of free roller 5, and the shutoff in step the heating jet orifice 42.
It should be noted that, different from the conventional drying device or the existing paper tube drying device, the present application arranges the free roller 5 between the adjacent drying rollers 41 for drying, the paper tube 20 can be lifted and conveyed to the next drying roller 41 after drying for a certain time by the vertical lifting of the free roller 5, and the moisture generated by drying can be directly collected and quickly discharged to the outside of the drying box 1 by the exhaust emission hood 6, and will not stay in the drying box 1 for a long time, thereby avoiding the moisture from gathering and affecting the drying of the paper tube 20, the relative humidity is getting higher and higher, and the paper tube 20 can bring the air flow stirring in the lifting, rolling and transferring process, thereby avoiding the uneven drying of the paper tube 20, in addition, when the outer circumference of the paper tube 20 is dried by the drying rollers 41, the inner circumference of the paper tube 20 is subjected to hot air input by the heating air jet 42, so that the inner and outer circumferences of the paper tube are simultaneously heated and dried, the paper tube drying device has the advantages that the paper tube drying is more uniform, meanwhile, the paper tube 20 is intermittently lifted and rotated by the lifting assembly 71, contact points of the paper tube with the free roller 5 and the drying roller 41 are changed, the drying uniformity is improved, in the process that the paper tube 20 is lifted by the lifting assembly 71, the lifting assembly 71 synchronously and intermittently seals the heating air jet 42, hot air in the inner circumference of the paper tube forms intermittent eruption, after the hot air enters the paper tube and is dried for a period of time to form moisture, the hot air which is erupted again extrudes the moisture out of the inner circumference of the paper tube, and the flowing and discharging of the moisture in the inner circumference of the paper tube are accelerated.
As shown in fig. 2 and 4, as a preferred embodiment, the filling device 2 further includes:
the filling frame 22 is arranged at the filling opening 11 in a sliding manner, a plurality of filling bins 21 are arranged on the filling frame 22 at equal intervals along the vertical direction, and each filling bin 21 consists of a bearing plate 211 which is obliquely directed to be adjacent to the drying roller 41;
the packing cylinders 23 are symmetrically arranged on two sides of the packing frame 22 in the vertical direction and drive the packing frame 22 to move horizontally; and
and the limiting back plate 24 is arranged on one side of the filling frame 22, is fixedly connected with the outer wall of the drying box body 1, and limits the paper tube 20 placed in the filling bin 21.
Further, the discharging device 3 further comprises:
the discharge frame 32 is slidably arranged at the discharge opening 12, a plurality of discharge bins 31 are arranged on the discharge frame 32 at equal intervals along the vertical direction, and each discharge bin 31 consists of a discharge bottom plate 311 obliquely pointing to the position adjacent to the drying roller 41 and a discharge back plate 312 arranged back to the position adjacent to the drying roller 41; and
the discharging cylinders 33 are symmetrically arranged on two sides of the discharging frame 32 in the vertical direction, and drive the discharging frame 32 to horizontally move.
It should be noted that, through setting up the filler opening 11 and the discharge opening 12 on the lateral wall at the length direction and the direction of height place of stoving box 1, more traditional sharp feeding straight line ejection of compact mode adopts the mode of perpendicular to stoving box 1 direction of delivery to carry out feeding and ejection of compact, and open-ended size when opening and ejection of compact when can reducing the feeding avoids feeding and the loss of the interior heat of ejection of compact in-process stoving box 1.
In addition, the filling bin 21 can be automatically fed by a feeding elevator, so that the feeding speed of the filling bin 21 is increased.
As shown in fig. 6, as a preferred embodiment, the drying roller 41 includes a roller portion 411 having a hollow interior and shaft portions 412 symmetrically disposed at two ends of the roller portion 411 in the length direction and integrally connected, the shaft portions 412 are erected on the side wall of the drying box 1, the shaft portions 412 at either end are open and communicated with the heating air injection port 42 through an air inlet pipe 413 and are sealed at the shaft portions 412 at the other end, and air supply holes 414 are uniformly distributed on the circumferential side wall of the roller portion 411.
It should be noted that, an external hot air source delivers hot air to the hollow inside of the roller portion 411 through an air inlet pipe 413, and then the hot air is delivered into the drying cabinet 1 through an air delivery hole 414, so that the hot air dries the paper tube 20 entering the drying cabinet 1, and the air inlet pipe 413 is also communicated with the heating air jet 42 to introduce the hot air to the heating air jet 42.
As shown in fig. 2, as a preferred embodiment, in the length direction of the drying box 1, the free rollers 5 arranged in the same drying group 4 are sequentially lifted in the order from near to far away from the discharge opening 12 during the process of lifting and transferring the paper tube 20.
Further, along the height direction of the drying box body 1, the free rollers 5 positioned in the same vertical column are driven by the driving device 7 to be lifted synchronously.
It should be noted that the free rollers 5 are sequentially lifted from the near to the far from the discharge opening 12, so that after the paper tube 20 closest to the discharge opening 12 is output through the discharge bin 31, the subsequent paper tubes 20 can sequentially move to the discharge opening 12 by the distance of one drying roller 41, and the continuous automatic drying treatment of the paper tubes 20 is realized.
Further, in order to improve the drying efficiency of the paper tubes 20, the lifting assembly 71 synchronously lifts the free rollers 5 in the same vertical column, so that the paper tubes 20 in the same vertical column synchronously move, and the drying efficiency is higher.
As shown in fig. 7, as a preferred embodiment, the exhaust emission hood 6 includes a gas collecting portion 61 and integrally connected rotating shaft portions 62 located at two axial sides of the gas collecting portion 61, the gas collecting portion 61 and the rotating shaft portions 62 are both hollow, the gas collecting portion 61 is opposite to the side wall of the paper tube 20 and is provided with a gas collecting hole 611, the rotating shaft portions 62 are rotatably disposed on the side wall of the drying box 1, the rotating shaft portions 62 at either end are open and are communicated with the outside through exhaust pipes 621, and the rotating shaft portions 62 at the other end are sealed.
It should be noted that, the exhaust pipe 621 is communicated with an external environment-friendly processing device, a duct fan is arranged in the exhaust pipe 621, the power of the duct fan is utilized to pump out the moisture in the drying box 1, the moisture is quickly discharged through the exhaust gas discharge cover 6, and each exhaust gas discharge cover 6 is corresponding to one paper tube 20, so that the moisture generated by the paper tube 20 can be accurately pumped.
As shown in fig. 2, 3, 5, 8 and 12, as a preferred embodiment, the lifting assembly 71 includes:
the lifting rods 711 are symmetrically arranged at two axial ends of the free roller 5 and comprise a connecting plate 7111 which is vertically arranged and fixedly connected with the free roller 5 in the same vertical column and a sliding shaft 7112 which is fixedly connected with the connecting plate 7111 and is arranged at the recessed part 13 in a sliding manner along the vertical direction, and two guide clamping blocks 7113 are arranged at two vertical sides of the connecting plate 7111;
the guide sleeve 712 is sleeved on the sliding shaft 7112, and is arranged at a position where the sliding shaft 7112 and the concave part 13 slide relatively;
the limiting ring 713 is sleeved at the connecting position of the sliding shaft 7112 and the connecting plate 7111 and is positioned above the guide sleeve 712;
the buffering elastic member 714 is sleeved on the sliding shaft 7112, and is located between the guide sleeve 712 and the limiting ring 713;
the conveying belts 716 are symmetrically arranged at the concave parts 13 at the two sides of the drying box body 1, the conveying belts 716 are driven by a driving motor 7161 arranged at one side of the drying box body 1 to rotate along the length direction of the drying box body 1, wedge blocks 7162 synchronously moving along with the conveying belts 716 are arranged on the conveying belts 716, the wedge blocks 7162 are in interference fit with the balls 715, and the corresponding free rollers 5 are lifted through the lifting rods 711;
the shifting blocks 717 are arranged on the conveying belt 716 at equal intervals, are arranged in a wedge shape, are lower than the wedge-shaped blocks 7162 in height, and are matched with the balls 715 in a rolling mode;
the rotation gear 718 is sleeved on the free roller 5; and
and the rotation racks 719 are fixedly arranged on the side wall of the drying box body 1 and are meshed with the rotation gears 718 in a one-to-one correspondence manner.
As shown in fig. 9 to 11, it should be noted that the driving motor 7161 drives the conveying belt 716 to rotate, during the rotation, the wedge block 7162 on the conveying belt 716 contacts with the ball 715, the ball 715 rolls along the slope of the wedge block 7162, so that the lifting rod 711 slides upwards and lifts, and further the free roller 5 mounted on the lifting rod 711 lifts upwards, so that the paper tube 20 on the free roller 5 is jacked up, and then the paper tube 20 can be directionally conveyed to the distance of the drying roller 41 by matching with the exhaust emission hood 6 which rotates and swings.
It is further described that the lifting rod 711 is restored after the ball 715 passes the wedge block 7162, and the lifting rod 711 is buffered by the buffering elastic member 714.
Through the lifting and stopping of the free roller 5, the air on the paper tube 20 flows at a low speed, when the paper tube 20 stops on the free roller 5, the hot air wraps the paper tube 20 for drying, at the moment, the hot air is concentrated on the paper tube 20, the flowing speed of the hot air is low, the drying efficiency is high, after the paper tube 20 is dried for a period of time, the paper tube 20 is quickly lifted along with the free roller 5, so that the moisture generated in the drying process flows quickly and cannot be collected near the paper tube 20, and the drying efficiency is improved.
As shown in fig. 13, in addition, the conveying belt 716 is provided with a wave block 717, the height of the toggle block 717 is smaller than that of the wedge block 7162, which cannot realize the conveying of the paper tube 20 to the direction of the discharge opening 12, but it can make the paper tube 20 wave up and down, the heating air jet 42 is blocked by the connecting plate 7111 through the up and down wave of the free roller 5, the intermittent switch of the heating air jet 42 is realized, the hot air in the inner circumference of the paper tube 20 forms intermittent eruption, after the hot air enters the paper tube 20 to be dried for a period of time to form moisture, the hot air erupted again extrudes the moisture out of the inner circumference of the paper tube, the flow of the moisture in the inner circumference of the paper tube is accelerated to be discharged, and in this process, the waste gas discharge cover 6 does not swing.
In addition, in the process of the fluctuation and the lifting of the free roller 5, the matching between the rotation gear 718 and the rotation rack 719 on the free roller 5 is that the free roller 5 rotates automatically, and the free roller 5 is provided with a pattern for increasing the friction force, so that the paper tube 20 rotates automatically through the friction between the free roller 5 and the paper tube 20, which is worth emphasizing here, the rotation of the paper tube 20 is preferably clockwise rotation, so that the paper tube 20 can approach to one side of the discharge opening 12 in the rotation process.
In a preferred embodiment, the wedge-shaped blocks 7162 are arranged in a plurality of equal distances along the rotation direction of the conveying belt 716.
It should be noted that, the number of the wedge blocks 7162 on the conveying belt 716 is adjusted according to the drying speed and the drying time of the paper tube 20, and the larger the number of the wedge blocks 7162 is, the shorter the retention time of the paper tube 20 in the drying chamber 1 is, and the drying efficiency of the paper tube 20 with low moisture content can be improved by this way.
As shown in fig. 11, as a preferred embodiment, the swing assembly 72 includes:
the avoidance slots 721, the avoidance slots 721 and the exhaust emission hoods 6 are arranged on the connecting plate 7111 in a one-to-one correspondence;
the transmission gear 722 is sleeved at any end in the axial direction of the exhaust gas discharge cover 6; and
and the transmission rack 723 is fixedly connected with the corresponding connecting plate 7111, slides along the vertical direction along with the connecting plate 7111, is meshed with the transmission gear 722, and drives the avoiding groove 721 to rotate and swing.
It should be noted that, the wedge block 7162 is matched with the ball 715, so that the lifting rod 711 is lifted, and at the same time, the exhaust emission hood 6 is swung through the matching of the transmission rack 723 mounted on the lifting rod 711 and the transmission gear 722, where it is specifically noted here that, when the free roller 5 initially lifts the paper tube 20, the transmission rack 723 is not matched with the transmission gear 722, and after the free roller 5 lifts the paper tube 20 upward until the paper tube 20 is within the shifting range of the exhaust emission hood 6, the transmission rack 723 is matched with the transmission gear 722 along with the continuous lifting of the lifting rod 711, and the exhaust emission hood 6 swings to shift the lifted paper tube 20 toward the discharge opening 12.
It is further explained that, in the process of using the exhaust hood to swing and stir the paper tube 20 for conveying, the speed generated by the swing is also used for quickly discharging moisture, and the flow of the air flow is agitated, so that the paper tube 20 which enters the lower part of the exhaust hood next can be quickly wrapped by the hot air for drying.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A high-efficiency quick drying method for a paper tube is characterized by comprising the following steps:
feeding, namely placing a paper tube (20) in a filling bin (21) on a filling frame (22) at a filling opening (11) at one end of a drying box body (1) in the length direction, and pushing the paper tube (20) into the drying box body (1) by pushing the filling frame (22);
step two, transferring, namely after the filling frame (22) is pushed into the drying box body (1), the paper tube (20) placed in the filling bin (21) rolls to a drying group (4) arranged on one side of the lower end part of the bearing plate (211) through rolling along the bearing plate (211) obliquely arranged at the bottom of the filling bin (21), the drying group (4) comprises a plurality of drying rollers (41) equidistantly arranged along the length direction of the drying box body (1), and the paper tube (20) is rolled and output from the bearing plate (211), transferred to a gap part close to the adjacent drying roller (41) of the bearing plate (211) and borne by a free roller (5) positioned at the gap part adjacent to the drying roller (41);
step three, drying the outer wall, inputting hot gas into the hollow interior of the drying roller (41) by an external hot gas source through an air inlet pipe (413), and discharging the hot gas into the drying box body (1) from an air supply hole (414) on the outer circumference of the drying roller (41) to perform drying treatment on the side wall of the outer circumference of the paper tube (20);
step four, drying the inner wall, and synchronously introducing hot gas into the drying rollers (41) through an air inlet pipe (413) by an external air source, synchronously inputting the hot gas into heating air nozzles (42) positioned between the adjacent drying rollers (41) through the air inlet pipe (413) by the external hot air source, wherein the heating air nozzles (42) are positioned in the coverage range of the inner circumference of the paper tube (20) carried by the free roller (5), and the hot gas sprayed out of the heating air nozzles (42) is used for drying the side wall of the inner circumference of the paper tube (20);
step five, discharging waste gas, wherein in the process of respectively drying the inner and outer circumferential side walls of the paper tube (20) by the drying roller (41) and the heating air jet (42) synchronously with the step three and the step four, a waste gas discharge cover (6) positioned right above the paper tube (20) discharges hot waste gas after drying treatment to the outside of the drying box body (1) through an exhaust pipe (621) communicated with the outside;
sixthly, jacking and transferring, wherein a lifting rod (711) in a driving device (7) is respectively connected with two axial ends of a free roller (5), a conveying belt (716) positioned below the lifting rod (711) is conveyed in a rotating mode, a wedge-shaped block (7162) mounted on the conveying belt (716) is driven to be in interference fit with a ball (715) at the lower end of the lifting rod (711), so that the lifting rod (711) drives a paper tube (20) borne by the free roller (5) to lift, in the lifting process, a transmission rack (723) mounted on the lifting rod (711) is meshed with a transmission gear (722) mounted on a rotating shaft of an exhaust emission cover (6) to drive the exhaust emission cover (6) to rotate and swing, and the lifted paper tube (20) is shifted to move for a distance of a drying roller (41) towards a discharge opening (12) positioned at the other end of the drying box body (1) in the length direction;
step seven, continuously drying, repeating the step three to six for a plurality of times, and transferring the paper tube (20) into a discharging bin (31) on a discharging frame (32) at the discharging opening (12); and
and step eight, discharging, namely transferring the paper tube (20) in the discharging bin (31), and outputting the paper tube (20) from the drying box body (1) by pulling the discharging frame (32) to finish drying treatment.
2. The method for efficiently and rapidly drying the paper tube as claimed in claim 1, wherein in the first step, the filling frame (22) is pushed by the filling cylinders (23) arranged at two ends of the filling frame in the vertical direction, so that the filling frame (22) horizontally moves along the direction perpendicular to the transfer direction of the paper tube (20) in the drying box body (1) to feed the paper tube (20) into the drying box body (1).
3. A method for efficiently and rapidly drying a paper tube as claimed in claim 1, wherein in the fourth step, the heating air jet ports (42) intermittently perform air jet drying on the inner circumferential side wall of the paper tube (20) placed on the free roller (5).
4. The efficient and rapid paper tube drying method as claimed in claim 3, characterized in that the intermittent air injection of the heating air injection port (42) is controlled by a shifting block (717) on a conveyor belt (716), the shifting block (717) is in interference fit with a ball (715) at the lower end of a lifting rod (711), so that the lifting rod (711) is lifted in a fluctuating way, and the heating air injection port (42) is intermittently blocked.
5. The efficient and rapid paper tube drying method as claimed in claim 4, characterized in that during the process that the lifting rod (711) is driven by the toggle block (717) to toggle and lift, the rotation gear (718) installed on the free roller (5) is meshed with the rotation rack (719) installed on the drying box body (1), so that the free roller (5) rotates around the axial direction thereof.
6. The method for efficiently and quickly drying the paper tube as claimed in claim 1, wherein in the sixth step, the wedge-shaped blocks (7162) on the conveying belt (716) are in interference fit with the balls (715) at the lower end part of the lifting rod (711), so that in the process that the lifting rod (711) drives the paper tube (20) carried by the free rollers (5) to lift, the free rollers (5) arranged in the same drying group (4) are sequentially lifted according to the sequence from near to far from the discharge opening (12) by means of the rotation of the conveying belt (716), and the paper tube (20) is gradually moved to the discharge opening (12).
7. The efficient and rapid paper tube drying method according to claim 1, characterized in that in the sixth step, the wedge-shaped blocks (7162) on the conveyor belt (716) are in interference fit with the balls (715) at the lower end of the lifting rod (711), so that in the process of lifting the paper tube (20) carried by the free rollers (5) driven by the lifting rod (711), the lifting rod (711) drives all the free rollers (5) in the same vertical column to lift synchronously along the height direction of the drying box body (1).
8. A method for drying paper tube efficiently and quickly as claimed in claim 1, characterized in that in the sixth step, after the paper tube (20) between the adjacent drying rollers (41) near the filling opening (11) is shifted to the direction of the discharging opening (12) by the distance of one drying roller (41), the filling frame (22) at the filling opening (11) inputs a new paper tube (20) into the drying box body (1).
9. The efficient and rapid drying method for the paper tube as claimed in claim 1, characterized in that in the sixth step, the number of the wedge blocks (7162) on the conveyor belt (716) is set in inverse proportion to the drying time of the paper tube (20) in the drying box body (1).
10. The method for efficiently and rapidly drying the paper tube as claimed in claim 1, wherein in the eighth step, the discharging frame (32) is pushed by the inclined material cylinders (33) arranged at two ends of the discharging frame in the vertical direction, so that the discharging frame (32) horizontally moves along the direction perpendicular to the transferring direction of the paper tube (20) in the drying box body (1) to discharge the paper tube (20) from the drying box body (1).
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| CN201910795977.XA CN110509614B (en) | 2019-08-27 | 2019-08-27 | Efficient and rapid drying method for paper tube |
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| CN201910795977.XA CN110509614B (en) | 2019-08-27 | 2019-08-27 | Efficient and rapid drying method for paper tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6061244A (en) * | 1983-09-14 | 1985-04-09 | 磯谷 恵一 | Method of reinforcing paper tube |
| CN106739169A (en) * | 2016-12-29 | 2017-05-31 | 云南乾铠新材料有限公司 | Vertical paper tube transports drying system |
| CN106968126A (en) * | 2017-05-03 | 2017-07-21 | 玖龙纸业（太仓）有限公司 | A kind of wet end of machine exhaust system |
| CN107525368A (en) * | 2017-08-02 | 2017-12-29 | 温州市联和针纺科技有限公司 | A kind of vacuum drum drying machine and the method using its drying chemical fibre |
| CN207335349U (en) * | 2017-04-18 | 2018-05-08 | 王峰云 | A kind of drying materials equipment with hydrofuge |
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2019
- 2019-08-27 CN CN201910795977.XA patent/CN110509614B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6061244A (en) * | 1983-09-14 | 1985-04-09 | 磯谷 恵一 | Method of reinforcing paper tube |
| CN106739169A (en) * | 2016-12-29 | 2017-05-31 | 云南乾铠新材料有限公司 | Vertical paper tube transports drying system |
| CN207335349U (en) * | 2017-04-18 | 2018-05-08 | 王峰云 | A kind of drying materials equipment with hydrofuge |
| CN106968126A (en) * | 2017-05-03 | 2017-07-21 | 玖龙纸业（太仓）有限公司 | A kind of wet end of machine exhaust system |
| CN107525368A (en) * | 2017-08-02 | 2017-12-29 | 温州市联和针纺科技有限公司 | A kind of vacuum drum drying machine and the method using its drying chemical fibre |
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| CN110509614A (en) | 2019-11-29 |
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Effective date of registration: 20201204 Address after: 236000 14 households of Dalizhuang village, shilijing village, Qinghe office, Yingzhou District, Fuyang City, Anhui Province Applicant after: Li Qiqi Address before: 313100 Sian Town Industrial Zone, Changxing County, Huzhou City, Zhejiang Province Applicant before: CHANGXING SHUIMU ELECTROMECHANICAL Co.,Ltd. |
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