CN116219796A - Processing technology and processing equipment for wood grain liquid wear-resistant paper - Google Patents
Processing technology and processing equipment for wood grain liquid wear-resistant paper Download PDFInfo
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- CN116219796A CN116219796A CN202211092333.2A CN202211092333A CN116219796A CN 116219796 A CN116219796 A CN 116219796A CN 202211092333 A CN202211092333 A CN 202211092333A CN 116219796 A CN116219796 A CN 116219796A
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- paper
- grain paper
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- 239000002023 wood Substances 0.000 title claims abstract description 95
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 title claims abstract description 28
- 238000005516 engineering process Methods 0.000 title description 6
- 239000007921 spray Substances 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 28
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011259 mixed solution Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 229920000877 Melamine resin Polymers 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- 238000003618 dip coating Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 73
- 239000004640 Melamine resin Substances 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/02—Designs imitating natural patterns wood grain effects
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/26—Aminoplasts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/826—Paper comprising more than one coating superposed two superposed coatings, the first applied being pigmented and the second applied being non-pigmented
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/70—Multistep processes; Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group
- D21H23/72—Plural serial stages only
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides processing equipment for wood grain liquid wear-resistant paper, which comprises a driving mechanism, an extending mechanism and an angle adjusting mechanism; the unfolding lengths of the two groups of sliding racks can be adjusted according to the width of the wood grain paper to be sprayed, so that the equipment is suitable for spraying wood grain paper with different widths, has universality and meets the requirements of spraying wood grain paper with different specifications; the double-sided tooth synchronous belt drives the axial driving wheel through the reversing driving wheel group, the high-pressure spray heads can synchronously adjust the inclination angle along with the change of the unfolding length of the two groups of sliding racks, for wider wood grain paper, the air resistance generated during rapid movement is larger due to larger surface area, the high-pressure spray heads on the two sliding racks rotate along the direction close to the width center line of the wood grain paper, namely the high-pressure spray heads on the two groups of sliding racks spray in the middle direction of the wood grain paper in an inclined manner, so that a large amount of aluminum oxide mixed liquid is atomized above the middle of the wood grain paper, and then diffuses towards two sides, and unbalance during spraying is avoided.
Description
Technical Field
The invention relates to the technical field of wood grain paper, in particular to a processing technology and processing equipment of wood grain liquid wear-resistant paper.
Background
Wood grain paper is one kind of special paper; the raw wood pulp kraft paper is generally used as base paper, then the surface is processed by the processes of embossing, dyeing and the like, and finally the wood grain paper with colorful and different patterns is produced. The wood grain paper has the characteristics of high ornamental value, strong practicability and high cost performance, so that the wood grain paper is applied to various fields, especially the packaging of various products;
in the prior art, in order to increase the wear resistance of the wood grain paper, a wear-resistant layer is added on the surface of the wood grain paper, namely, wear-resistant particles (such as aluminum oxide) are mixed with melamine resin liquid, and then the melamine resin liquid is sprayed on the wood grain paper through a high-pressure spray nozzle;
however, when spraying, the mixed liquid always appears on the wood grain paper, the part with thinner thickness has poorer wear resistance after drying, and the product percent of pass is reduced.
Disclosure of Invention
In view of the above, the present invention aims to provide a processing technology and processing equipment for wood grain liquid wear-resistant paper.
In order to solve the technical problems, the invention adopts the following technical scheme:
a processing device of wood grain liquid wear-resistant paper comprises a driving mechanism, an extending mechanism and an angle adjusting mechanism;
the extending mechanism comprises a sliding frame and racks, at least two groups of sliding frames are arranged in a back-to-back mode, and the racks are fixedly arranged on the back face of the sliding frames; the high-pressure spray heads are uniformly distributed along the length direction of the sliding frame and are fixedly connected with an axial driving wheel of the angle adjusting mechanism in a coaxial way;
the angle adjusting mechanism comprises a double-sided tooth synchronous belt and a reversing transmission wheel set, and the double-sided tooth synchronous belt is arranged on the top surface of the sliding frame;
the driving mechanism comprises a driving motor and a driving wheel set, wherein the driving wheel set is used for synchronously transmitting the rack and the double-sided tooth synchronous belt, so that when the two groups of sliding racks move oppositely or back to back, the high-pressure spray heads synchronously rotate axially.
The extension mechanism further comprises a mounting shell, the sliding frame is arranged on the mounting shell in a sliding mode through a self-locking linear sliding rail, and a motor mounting seat is formed in the mounting shell.
The driving wheel group comprises a first driving wheel and a second driving wheel which are coaxially and fixedly connected with the output end of the driving motor, the first driving wheel is connected with the rack in a meshed manner, and the second driving wheel is connected with the outer tooth surface of the double-sided tooth synchronous belt in a meshed manner.
The angle adjusting mechanism further comprises a belt wheel which is meshed and connected with the inner face teeth of the double-face tooth synchronous belt, the belt wheel is fixedly connected with a vertical rotating rod of the reversing transmission wheel set in a coaxial way, and the vertical rotating rod extends to a high-pressure spray head mounting cavity in the sliding frame; the angle adjusting mechanism further comprises a transverse rotating rod, and the vertical rotating rod and the transverse rotating rod are rotatably arranged on the sliding frame through a belt seat bearing.
The reversing transmission wheel set further comprises a first worm wheel, and the vertical rotating rod and the transverse rotating rod are both in worm structures;
the first worm wheel is fixedly sleeved on the transverse rotating rod, the first worm wheel is meshed with the vertical rotating rod, and the transverse rotating rod is meshed with the axial driving wheel.
The reversing transmission wheel set comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the vertical rotating rod, the second bevel gear is fixedly sleeved on the transverse rotating rod, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is meshed with the axial driving wheel.
The mounting shell both sides are provided with the connection earhole, the connection earhole is used for with n shape support frame fixed connection.
8. A processing technology of wood grain liquid wear-resistant paper comprises the following steps:
s1: dip-coating melamine formaldehyde resin on wood grain paper;
s2: spraying aluminum oxide mixed solution on the front surface of the wood grain paper;
s3: performing primary drying;
s4: uniformly coating melamine formaldehyde resin for the second time;
s5: two-stage drying and cutting a finished product;
s6: the physical and chemical indexes of the board surface are checked by the experiment pressing board.
The straight line distance between the high-pressure spray nozzle for spraying the aluminum oxide mixed solution and the wood grain paper is not more than 10 cm.
The high-pressure spray head rotates along the width central line direction of the wood grain paper along with the width increase of the wood grain paper.
The invention has the advantages and positive effects that:
(1) The unfolding length of the two groups of sliding racks can be adjusted according to the width of the wood grain paper to be sprayed, so that the spraying machine is suitable for spraying wood grain paper with different widths, has universality and meets the requirements of spraying wood grain paper with different specifications.
(2) The double-sided tooth synchronous belt drives the axial driving wheel through the reversing driving wheel group, the high-pressure spray heads can synchronously adjust the inclination angle along with the change of the unfolding length of the two groups of sliding racks, for wider wood grain paper, the air resistance generated during rapid movement is larger due to larger surface area, the high-pressure spray heads on the two sliding racks rotate along the direction close to the width center line of the wood grain paper, namely the high-pressure spray heads on the two groups of sliding racks spray in the middle direction of the wood grain paper in an inclined manner, so that a large amount of aluminum oxide mixed liquid is atomized above the middle of the wood grain paper, and then diffuses towards two sides, and unbalance during spraying is avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a block diagram of a processing apparatus for wood grain liquid wear resistant paper of the present invention with a hidden mounting shell at a first viewing angle;
FIG. 2 is a cross-sectional view of a processing apparatus for wood grain liquid wear resistant paper of the present invention with the mounting shell hidden;
FIG. 3 is an overall block diagram of a processing apparatus for wood grain liquid wear resistant paper of the present invention;
fig. 4 is an enlarged view of fig. 3 at a;
FIG. 5 is a block diagram of a processing apparatus for wood grain liquid wear resistant paper of the present invention with the mounting shell hidden from view at a second view angle;
FIG. 6 is an enlarged view of the angle adjustment mechanism of FIG. 5;
in the figure: the device comprises a driving motor 11-, a driving motor 12-a first driving wheel, a driving motor 13-a second driving wheel, a carriage 21-a rack 22-a rack 23-a mounting shell, a self-locking linear slide rail 24-a motor mounting seat 25-a high-pressure nozzle mounting cavity 26-a lug 27-hole 31-a double-sided tooth synchronous belt 32-a belt pulley 33-a vertical rotating rod 35-an axial driving wheel 41-a first worm wheel 44-a horizontal rotating rod 45-a seat bearing 6-a high-pressure nozzle and a nozzle 7-a mounting rotating shaft.
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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the prior art, when the solution of the aluminum oxide mixed with the melamine resin is sprayed, the condition of uneven spraying of the mixed solution on the wood grain paper always occurs, and the part with thinner thickness has poorer wear resistance after drying, so that the qualification rate of the product is reduced;
according to the technical scheme, research discovers that the reasons for uneven spraying are as follows: the aluminum oxide mixed solution is prepared by mixing melamine resin solution with aluminum oxide powder, in order to enable the aluminum oxide mixed solution to be uniformly diffused on wood grain paper, an atomized high-pressure spray head 6 is required to be adopted for spraying, a certain diffusion space is required in the atomization process, namely, the high-pressure spray head 6 is required to keep a certain distance from the wood grain paper but cannot be far away, if the distance is far away, the condition of insufficient air pressure occurs, the atomized mixed solution cannot be attached to the wood grain paper which moves rapidly, if the air pressure is increased, the mixed solution cannot be atomized and directly sprayed on the wood grain paper, so that the distance between the high-pressure spray head 6 and the wood grain paper cannot exceed 10 cm, but the wood grain paper can generate air resistance in the rapid movement process, the atomized mixed solution is diffused from the middle part to the two sides, even if the high-pressure spray head 6 faces the wood grain paper, the mixed solution is still subjected to the air resistance effect, and the atomized mixed solution is diffused to the two sides of the wood grain paper, and the reason that the aluminum oxide mixed solution is unevenly sprayed is caused.
The present invention thus provides a process and apparatus for processing wood grain liquid wear resistant paper to solve the above problems;
a processing device of wood grain liquid wear-resistant paper comprises a driving mechanism, an extending mechanism and an angle adjusting mechanism;
referring to fig. 1 to 3, the extending mechanism includes a carriage 21 and a rack 22, at least two groups of the carriages 21 are disposed opposite to each other, the rack 22 is fixedly disposed on the back of the carriage 21, that is, the toothed surfaces of the racks 22 on the carriage 21 are disposed opposite to each other, the high-pressure spray nozzles 6 are uniformly arranged along the length direction of the carriage 21, and accordingly, the lower parts of the high-pressure spray nozzles 6 are not shielded, in this technical manner, the high-pressure spray nozzles 6 are fixed on the circumference of the spray nozzle mounting rotating shaft 7, and the spray nozzle mounting rotating shaft 7 is rotatably mounted on the carriage 21 through a bearing and is fixedly connected with an axial driving wheel 35 of the angle adjusting mechanism coaxially, so that the high-pressure spray nozzles 6 can axially rotate through rotation of the axial driving wheel 35;
the angle adjusting mechanism comprises a double-sided tooth synchronous belt 31 and a reversing transmission wheel set, the double-sided tooth synchronous belt 31 is arranged on the top surface of the carriage 21, the double-sided tooth synchronous belt 31 transmits an axial driving wheel 35 through the reversing transmission wheel set, the driving mechanism comprises a driving motor 11 and a driving wheel set, and the driving wheel set is used for synchronously transmitting a rack 22 and the double-sided tooth synchronous belt 31, so that when the two carriages 21 reciprocate, the high-pressure spray heads 6 synchronously rotate axially to realize the adjustment of spraying angles;
the unfolding lengths of the two groups of carriages 21 are adjusted according to the width of the wood grain paper to be sprayed, so that the device is suitable for spraying wood grain paper with different widths, the device has universality, and the angle of the high-pressure spray head 6 is synchronously adjusted to rotate along with the increase of the unfolding length;
for wider wood grain paper, because of the larger surface area, larger air resistance can be generated during rapid movement, the larger the rotation angle of the high-pressure spray heads 6 on the two carriages 21 along the direction of the width center line of the wood grain paper is, namely, the high-pressure spray heads 6 spray in the direction of the middle of the wood grain paper in an inclined manner, so that a large amount of aluminum oxide mixed liquid atomizes above the middle of the wood grain paper to form an atomization area, and then diffuses towards two sides to avoid unbalanced spraying; in addition, a certain distance is arranged between the two sliding frames 21, so that the phenomenon that the high-pressure spray heads 6 on the two sliding frames 21 are opposite to each other during spraying can be avoided, and the atomization effect is reduced; correspondingly, the surface area of narrower wood grain paper is smaller, the air resistance generated during rapid movement is also smaller, the unfolding lengths of the two groups of sliding frames 21 are also shorter, the rotating angles of the high-pressure spray heads 6 on the two sliding frames 21 along the direction of the width center line of the wood grain paper are also smaller, and the situation that excessive aluminum oxide mixed solution is atomized above the middle part close to the wood grain paper to cause too little spraying quantity on two sides of the wood grain paper is avoided.
Referring to fig. 1 to 3, specifically, the extending mechanism further includes a mounting shell 23, the carriage 21 is slidably disposed on the mounting shell 23 through a self-locking linear sliding rail 24, the self-locking linear sliding rail 24 plays a role in guiding the movement of the carriage 21 to avoid separation of the carriage 21 from the mounting shell 23, a motor mounting seat 25 is configured in the mounting shell 23, a driving motor 11 is fixed on the motor mounting seat 25, the driving wheel set includes a first driving wheel 12 and a second driving wheel 13 coaxially and fixedly connected with an output end of the driving motor 11, the first driving wheel 12 is in meshed connection with the rack 22, and the second driving wheel 13 is in meshed connection with an external tooth surface of the double-sided tooth synchronous belt 31;
when the driving motor 11 is started, the first driving wheel 12 simultaneously engages with racks on the back surfaces of the two carriages 21, so that the two carriages 21 relatively and reversely move, and extend outwards from the inside of the mounting shell 23, so that the coverage spraying range of the two carriages 21 is increased, meanwhile, the second driving wheel 13 simultaneously engages with the outer tooth surfaces of the double-sided tooth synchronous belts 31 on the two carriages 21, so that the two double-sided tooth synchronous belts 31 synchronously rotate but have opposite directions, and the two double-sided tooth synchronous belts 31 both drive the corresponding axial driving wheels 35 to rotate, so that in the process of relatively and reversely moving the two carriages 21 (in the unfolding process), the corresponding high-pressure spray heads 6 also rotate along the direction close to the width center line of the wood grain paper, namely, the larger the moving distance of the two carriages 21 is, the larger the rotating angle of the high-pressure spray heads 6 is;
correspondingly, when the driving motor 11 is reversed, the two carriages 21 move in opposite directions and gradually retract into the mounting shell 23 along the self-locking linear sliding rail 24, and the two double-sided toothed synchronous belts 31 also drive the corresponding axial driving wheels 35 to be reversed, so that the high-pressure spray head 6 rotates along the direction away from the width center line of the wood grain paper.
Specifically, the angle adjusting mechanism further comprises a belt wheel 32 meshed with the inner surface teeth of the double-sided tooth synchronous belt 31, the belt wheel 32 is fixedly connected with a vertical rotating rod 33 of the reversing transmission wheel set coaxially, and the vertical rotating rod 33 extends to the high-pressure nozzle mounting cavity 26 in the carriage 21; the angle adjusting mechanism further comprises a transverse rotating rod 44, the vertical rotating rod 33 and the transverse rotating rod 44 are rotatably arranged on the carriage 21 through a belt seat bearing 45, and the belt wheel 32 drives the vertical rotating rod 33 and the transverse rotating rod 44 to rotate so as to drive the axial driving wheel 35 which is coaxially and fixedly connected with the spray head 6 to rotate;
in this technical mode, the double-sided toothed synchronous belt 31 may be a chain, and the pulley 32 may be a chain transmission mechanism such as a sprocket.
Furthermore, in the present embodiment, two embodiments of a reversing transmission wheel set are provided;
embodiment one
Referring to fig. 4 to 6, the reversing gear set further includes a first worm wheel 41, and the vertical rotating rod 33 and the horizontal rotating rod 44 are both worm structures; the first worm wheel 41 is fixedly sleeved on a transverse rotating rod 44, the first worm wheel 41 is meshed with the vertical rotating rod 33, and the transverse rotating rod 44 is meshed with the axial driving wheel 35; accordingly, in the present embodiment, the axial driving wheel 35 has a worm wheel structure.
Second embodiment
The reversing transmission wheel set comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on the vertical rotating rod 33, the second bevel gear is fixedly sleeved on the transverse rotating rod 44, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is meshed with the axial driving wheel 35; accordingly, in the present embodiment, the axial drive wheel 35 is of helical gear construction;
further, in the processing procedure, the air in the wood grain paper is required to be emptied through the dip coating procedure before spraying, the lifting roller is adopted in the dip coating procedure to enable the wood grain paper to be separated from the dip coating pool, in order to enable the equipment to be suitable for the arrangement of the existing multiple production lines, in the technical scheme, the two sides of the mounting shell 23 are provided with the connecting lug holes 27, the connecting lug holes 27 are fixedly connected with the suspension, the suspension can be arranged on the supporting frame of the lifting roller or the suspension is directly fixed on the shed roof, the supporting effect on the mounting shell 23 is further achieved, the equipment is suitable for the arrangement of the existing multiple production lines, the original production line design is not required to be changed, the reciprocating movement design of the two carriages 21 can be contracted when spraying the wood grain paper with small width or not spraying the wood grain paper, the occupied area is reduced, the collision is avoided, and the space utilization rate is improved.
A processing technology of wood grain liquid wear-resistant paper comprises the following steps:
s1: the wood grain paper is dip-coated with melamine formaldehyde resin, so that the air in the wood grain paper is completely discharged, and the wood grain paper is prevented from deforming during subsequent printing;
s2: spraying aluminum oxide mixed solution on the front surface of the wood grain paper, wherein the aluminum oxide mixed solution is prepared by mixing melamine resin solution with aluminum oxide powder;
the linear distance between the high-pressure spray head 6 for spraying the aluminum oxide mixed solution and the wood grain paper is not more than 10 cm so as to ensure that sufficient air pressure can be attached to the wood grain paper after the aluminum oxide mixed solution is atomized, the high-pressure spray head 6 rotates along the width central line direction of the wood grain paper along with the increase of the width of the wood grain paper, namely the high-pressure spray head 6 sprays obliquely towards the direction close to the middle of the wood grain paper, so that a large amount of aluminum oxide mixed solution is atomized above the middle close to the wood grain paper and then diffuses towards two sides, and unbalance of spraying is avoided;
s3: performing primary drying;
s4: uniformly coating melamine formaldehyde resin on both sides of the wood grain paper for the second time;
s5: two-stage drying and cutting a finished product;
s6: and (5) checking physical and chemical indexes of the board surface by using an experimental pressing plate, and judging whether the board surface is qualified or not.
The working principle and working process of the invention are as follows:
when the driving motor 11 is started, the first driving wheel 12 simultaneously engages with racks on the back surfaces of the two carriages 21, so that the two carriages 21 relatively and reversely move, and extend outwards from the inside of the mounting shell 23, so that the coverage spraying range of the two carriages 21 is increased, meanwhile, the second driving wheel 13 simultaneously engages with the outer tooth surfaces of the double-sided tooth synchronous belts 31 on the two carriages 21, so that the two double-sided tooth synchronous belts 31 synchronously rotate but have opposite directions, and the two double-sided tooth synchronous belts 31 both drive the corresponding axial driving wheels 35 to rotate, so that in the process of relatively and reversely moving the two carriages 21 (in the unfolding process), the corresponding high-pressure spray heads 6 also rotate along the direction close to the width center line of the wood grain paper, namely, the larger the moving distance of the two carriages 21 is, the larger the rotating angle of the high-pressure spray heads 6 is;
correspondingly, when the driving motor 11 is reversed, the two carriages 21 move in opposite directions and gradually retract into the mounting shell 23 along the self-locking linear slide rail 24, and the two double-sided toothed synchronous belts 31 also drive the corresponding axial driving wheels 35 to be reversed, so that the high-pressure spray head 6 rotates in a direction away from the width center line of the wood grain paper.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by this patent.
Claims (10)
1. The processing equipment for the wood grain liquid wear-resistant paper is characterized by comprising a driving mechanism, an extending mechanism and an angle adjusting mechanism;
the extending mechanism comprises a sliding frame (21) and racks (22), at least two groups of sliding frames (21) are arranged in a back-to-back mode, and the racks (22) are fixedly arranged on the back face of the sliding frames (21); the high-pressure spray heads (6) are uniformly distributed along the length direction of the sliding frame (21) and are fixedly connected with an axial driving wheel (35) of the angle adjusting mechanism in a coaxial way;
the angle adjusting mechanism comprises a double-sided tooth synchronous belt (31) and a reversing transmission wheel set, the double-sided tooth synchronous belt (31) is arranged on the top surface of the sliding frame (21), and the double-sided tooth synchronous belt (31) transmits an axial driving wheel (35) through the reversing transmission wheel set;
the driving mechanism comprises a driving motor (11) and a driving wheel set, wherein the driving wheel set is used for synchronously transmitting a rack (22) and a double-sided tooth synchronous belt (31), so that when the two groups of carriages (21) reciprocate, the high-pressure spray heads (6) synchronously rotate axially.
2. The processing device of the wood grain liquid wear-resistant paper according to claim 1, wherein the extension mechanism further comprises a mounting shell (23), the sliding frame (21) is slidably arranged on the mounting shell (23) through a self-locking linear sliding rail (24), and a motor mounting seat (25) is configured in the mounting shell (23).
3. The processing device of the wood grain liquid wear-resistant paper according to claim 1, wherein the driving wheel set comprises a first driving wheel (12) and a second driving wheel (13) which are coaxially and fixedly connected with the output end of the driving motor (11), the first driving wheel (12) is in meshed connection with the rack (22), and the second driving wheel (13) is in meshed connection with the outer tooth surface of the double-sided tooth synchronous belt (31).
4. The processing device of the wood grain liquid wear-resistant paper according to claim 1, wherein the angle adjusting mechanism further comprises a belt wheel (32) in meshed connection with the inner face teeth of a double-face tooth synchronous belt (31), the belt wheel (32) is fixedly connected with a vertical rotating rod (33) of a reversing transmission wheel set coaxially, and the vertical rotating rod (33) extends to a high-pressure spray head mounting cavity (26) in a carriage (21); the angle adjusting mechanism further comprises a transverse rotating rod (44), and the vertical rotating rod (33) and the transverse rotating rod (44) are rotatably mounted on the sliding frame (21) through a belt seat bearing (45).
5. The processing apparatus of a wood grain liquid wear resistant paper according to claim 4, wherein the reversing gear set further comprises a first worm wheel (41), the vertical rotation rod (33) and the lateral rotation rod (44) are both of worm structure;
the first worm wheel (41) is fixedly sleeved on a transverse rotating rod (44), the first worm wheel (41) is meshed with the vertical rotating rod (33), and the transverse rotating rod (44) is meshed with the axial driving wheel (35).
6. The processing device for wood grain liquid wear-resistant paper according to claim 4, wherein the reversing transmission wheel set comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly sleeved on a vertical rotating rod (33), the second bevel gear is fixedly sleeved on a transverse rotating rod (44), the first bevel gear is meshed with the second bevel gear, and the second bevel gear is meshed with an axial driving wheel (35).
7. The processing device of wood grain liquid wear-resistant paper according to claim 2, wherein the mounting shell (23) is provided with connecting lugs (27) on both sides, and the connecting lugs (27) are used for suspension fixing connection.
8. A processing process of a processing apparatus for a wood grain liquid abrasion resistant paper according to any one of claims 1 to 7, comprising the steps of:
s1: dip-coating melamine formaldehyde resin on wood grain paper;
s2: spraying aluminum oxide mixed solution on the front surface of the wood grain paper;
s3: performing primary drying;
s4: uniformly coating melamine formaldehyde resin for the second time;
s5: two-stage drying and cutting a finished product;
s6: the physical and chemical indexes of the board surface are checked by the experiment pressing board.
9. The process for producing the wood grain liquid wear-resistant paper according to claim 8, wherein the straight line distance of the high-pressure spray head (6) for spraying the aluminum oxide mixed solution from the wood grain paper is not more than 10 cm.
10. The process for manufacturing the wood grain liquid wear-resistant paper according to claim 9, wherein the high-pressure nozzle (6) rotates along the width center line direction of the wood grain paper as the width of the wood grain paper increases.
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| CN116219796B (en) | 2024-07-16 |
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