CN113696550B - Multi-surface embossed paper towel process flow and equipment - Google Patents
Multi-surface embossed paper towel process flow and equipment Download PDFInfo
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- CN113696550B CN113696550B CN202110910874.0A CN202110910874A CN113696550B CN 113696550 B CN113696550 B CN 113696550B CN 202110910874 A CN202110910874 A CN 202110910874A CN 113696550 B CN113696550 B CN 113696550B
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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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
- F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
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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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
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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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0779—Control
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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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0784—Auxiliary operations
Abstract
The invention relates to a process flow and equipment for embossing paper towels on multiple surfaces, which comprises the following steps of a, conveying the paper towels to a dryer for drying; b, the central control unit controls the atomization device to atomize the paper towel and controls the embossing roller to emboss the paper towel; step c, drying and rolling to obtain a finished product; the paper towel produced by the process flow and the equipment solves the problems that the embossing of the produced paper towel is not clear or the embossing depth is not enough to cause that the paper towel is not beautiful enough or the softness and the fluffiness of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the embossed paper towel is layered.
Description
Technical Field
The invention relates to the technical field of toilet paper production, in particular to a multi-surface embossed paper towel process flow and equipment.
Background
The household paper refers to various types of sanitary wiping paper used for taking care of personal home, going out and the like, and the types of the household paper on the market at present are various, including roll toilet paper, removable toilet paper, boxed facial tissue, pocket facial tissue, napkin, kitchen paper towel and the like. A household paper, which can be composed of single layer or multiple layers, is usually pressed with embossments on the paper surface, and the embossments can be contact points or various patterns. The main functions of embossing are: the appearance is attractive; the softness and bulkiness of the paper product are increased; the water absorption capacity of the paper product is improved; the embossed paper is not easily separated, preventing delamination. In the prior art, the definition and the embossing depth of the embossing of the paper towel in the embossing process cannot be accurately controlled, so that the embossing of the produced paper towel is not clear or the embossing depth is not enough to cause that the paper towel is not beautiful enough or the softness and the bulkiness of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the paper towel after embossing is layered.
Disclosure of Invention
Therefore, the invention provides a multi-surface embossed paper towel process flow and equipment, which are used for solving the problems that the paper towel produced in the prior art is not embossed clearly or the embossing depth is not enough, so that the paper towel is not beautiful enough, the softness and the bulkiness of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the embossed paper towel is layered.
In order to achieve the above object, the present invention provides a process for producing a multi-faced embossed tissue, comprising,
step a, conveying the paper towel to a dryer for drying;
b, the central control unit controls the atomization device to atomize the paper towel and controls the embossing roller to emboss the paper towel;
step c, drying and rolling to obtain a finished product;
in step b, when embossing is performed, the central control unit compares the actual tissue thickness Q with a preset tissue thickness to select a distance between the embossing rollers and an atomization rate, after the central control unit controls the embossing rollers to emboss the tissue, the central control unit compares the actual embossing definition E of the tissue with a preset embossing definition range E0 of the tissue, and sets E0 (Emin, emax), wherein Emin is a minimum value of the preset embossing definition range of the tissue, emax is a maximum value of the preset embossing definition range of the tissue, if the central control unit determines that the actual embossing definition E of the tissue does not meet a standard, the central control unit calculates an embossing definition difference value E and compares the preset embossing definition difference value to select an atomization rate adjustment coefficient to adjust the atomization rate of the atomization device, if the central control unit determines that the actual embossing definition E meets the standard, the central control unit determines that the actual embossing depth F does not meet a standard embossing depth range F0, sets F0 (Fmin, fmax), and determines that the actual embossing depth F meets a next step if the actual embossing depth adjustment parameter F does not meet the standard, and determines that the central control unit does not meet the next step F;
the embossing definition is measured by shooting by a video shooting device, and the embossing depth is measured by an ultrasonic detection device.
Further, a first paper towel thickness A1, a second paper towel thickness A2, a third paper towel thickness A3 and a fourth paper towel thickness A4 are preset in the central control unit, the central control unit selects the atomization rate V and the preset embossing roller interval D of the corresponding atomization device according to the paper towel thickness, when the central control unit judges that the paper towel thickness is Ai, i =1,2,3,4 is set, the central control unit sets the atomization rate of the atomization device to Vi, and sets the embossing roller interval to Di.
Further, in the step b, after the central control unit completes selection of the atomization rate V of the atomization device and the preset embossing roller distance D, the central control unit utilizes embossing definition shot by the video shooting device and sets actual embossing definition E of the embossing definition, when the setting is completed, the central control unit compares the actual embossing definition E with a preset embossing definition range, if E belongs to E0, the central control unit judges that the embossing definition meets the standard, if E ∉ E0, the central control unit judges that the embossing definition does not meet the standard, the central control unit calculates an embossing definition difference value delta E and selects to increase or decrease the atomization rate of the atomization device according to the difference value.
Further, a first embossing definition difference value delta E1, a second embossing definition difference value delta E2, a third embossing definition difference value delta E, a first atomization rate adjusting coefficient alpha 1, a second atomization rate adjusting coefficient alpha 2, a third atomization rate adjusting coefficient alpha 3 and a fourth atomization rate adjusting coefficient alpha 4 are preset in the central control unit;
when E is larger than Emax, the central control unit calculates an embossing definition difference value delta E according to the actual embossing definition E shot by the video shooting device, and sets delta E = E-Emax;
when the delta E is less than the delta E1, the central control unit selects a first atomization rate adjusting coefficient alpha 1 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when delta E2 is more than or equal to delta E and less than delta E3, the central control unit selects a third atomization rate adjustment coefficient alpha 3 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when E is less than Emin, the central control unit calculates an embossing definition difference value delta E 'according to the actual embossing definition E shot by the video shooting device, and sets delta E' = Emin-E;
when the delta E' is less than the delta E1, the central control unit selects a first atomization rate adjusting coefficient alpha 1 to control a first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E' and less than the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E2 is more than or equal to the delta E' and less than the delta E3, the central control unit selects a third atomization rate adjusting coefficient alpha 3 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E' is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
the central control unit records the adjusted atomization rate of the atomization device as V ', and sets V' = V × α i, i =1,2,3,4.
Further, when the central control unit determines that E belongs to E0, the central control unit utilizes an ultrasonic detection device to detect the embossing depth in real time and sets the embossing depth as an actual embossing depth F, after the setting is completed, the central control unit compares the actual embossing depth F with a preset embossing depth range F0, if F belongs to F0, the central control unit determines that the actual embossing depth F meets the standard, if F ∉ F0, the central control unit determines that the actual embossing depth F does not meet the standard, the central control unit calculates an embossing depth difference delta F and selects to increase or decrease the distance between the embossing rollers according to the difference.
Further, a first embossing depth difference value delta F1, a second embossing depth difference value delta F2, a third embossing depth difference value delta F3, a first embossing roller spacing adjustment coefficient beta 1, a second embossing roller spacing adjustment coefficient beta 2, a third embossing roller spacing adjustment coefficient beta 3 and a fourth embossing roller spacing adjustment coefficient beta 4 are preset in the central control unit;
when F is larger than Fmax, the central control unit calculates an embossing depth difference value delta F according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F = F-Fmax;
when the delta F is less than the delta F1, the central control unit selects a first embossing roller distance adjusting coefficient beta 1 to control a second motor to increase the embossing roller distance to a corresponding value;
when delta F1 is more than or equal to delta F < delta F2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to increase the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F and less than delta F3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to increase the embossing roller spacing to a corresponding value;
when the delta F is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to increase the embossing roller interval to a corresponding value;
when F is less than Fmin, the central control unit calculates an embossing depth difference value delta F 'according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F' = Fmin-F;
when the delta F' <deltaF 1, the central control unit selects a first embossing roller distance adjusting coefficient beta 1 to control a second motor to reduce the embossing roller distance to a corresponding value;
when delta F1 is more than or equal to delta F' <deltaF 2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to reduce the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F' <deltaF 3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to reduce the embossing roller spacing to a corresponding value;
when the delta F' is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to reduce the embossing roller interval to a corresponding value;
the center control unit records the adjusted embossing roller spacing as D ', and sets D' = D × β i, i =1,2,3,4.
Further, in the step b, when the central control unit finishes the judgment of the actual embossing definition E and the real-time embossing depth F, if E belongs to E0 and F belongs to F0, the central control unit judges that the embossing process is finished and rolls the paper towel.
Further, the central control unit is preset with a maximum adjusting time N0 and a maximum embossing roller adjusting distance Δ Dmax, and when the central control unit completes one adjustment, the central control unit records the adjusting time as N =1, and when N = N0 or Δ D =Δdmax, if E ∉ E0 or F ∉ F0, the central control unit will re-determine the atomizing device atomizing rate or the embossing roller spacing.
Further, the calculation formula of the embossing roller spacing Δ D is as follows:
△D=|D’-D|
in the formula, D' represents the adjusted embossing roller pitch, and D represents the preset embossing roller pitch.
Further, the equipment of the multi-surface embossing paper towel process flow comprises,
a conveying roller for conveying the paper towel;
a dryer for drying the paper towel;
an atomizing device provided with a pump for atomizing water and an atomizing nozzle, the atomizing device being capable of adjusting an atomizing rate;
the embossing device comprises an embossing roller, a first embossing roller and a second embossing roller, wherein the embossing roller is provided with a motor, the first embossing roller and the second embossing roller and is used for embossing atomized paper towels, the motor is used for adjusting the distance between the first embossing roller and the second embossing roller, the first embossing roller is provided with a bulge, and the second embossing roller is provided with a groove corresponding to the bulge of the first embossing roller;
the video shooting device is used for detecting the definition of embossing the paper towel;
the ultrasonic detection device is used for detecting the embossing depth of the paper towel;
the drying and winding machine is used for drying and winding the embossed paper towel;
and the central control unit is connected with the atomizing device, the embossing roller, the video shooting device and the ultrasonic detection device and is used for controlling the equipment to operate.
Compared with the prior art, the method has the advantages that when embossing is carried out, the central control unit compares the actual tissue thickness Q with the preset tissue thickness to select the distance between the embossing rollers and the atomization rate, compares the actual definition E of the tissue embossing with the preset tissue embossing definition range E0, if the central control unit judges that the actual definition E of the tissue embossing does not meet the standard, the hollow unit calculates the definition difference Delta E and compares the calculated definition difference Delta E with the preset definition difference to select the atomization rate adjusting coefficient to adjust the atomization rate of the atomization device, if the central control unit judges that the actual definition E of the embossing meets the standard, the central control unit judges that the actual embossing depth F and the preset embossing depth range F0 are compared, if the central control unit judges that the actual embossing depth F of the tissue embossing does not meet the standard, the central control unit calculates the comparison of the embossing depth difference Delta F and the preset embossing depth difference to select the adjusting parameter to adjust the distance, if the central control unit judges that the actual embossing depth F and the embossing rollers of the tissue embossing do not meet the standard, the central control unit calculates the embossing depth F and compares the embossed depth F and the preset embossing rollers to select the adjustable embossing depth F to adjust the distance, the water absorption capacity of the embossing rollers of the tissue embossing rollers, the water absorption capacity of the tissue embossing rollers is not enough, the product, the quality of the tissue is improved, and the product is not enough, and the quality of the product is not enough, and the product, and the quality of the product is not enough.
Further, well accuse unit selects between atomizing rate and the embossing roller of the atomizing device that corresponds according to the paper handkerchief thickness of difference, between atomizing rate and the embossing roller through accurate selection atomizing device, can satisfy the demand of different paper handkerchiefs to knurling degree of depth and definition, can guarantee the quality of paper handkerchief knurling, promote the pleasing to the eye degree of paper handkerchief, promote the compliance and the fluffy degree of goods, promote the ability of absorbing water of paper article, the paper handkerchief knurling that can effectively solve production is unclear or the knurling degree of depth is not enough beautifully inadequately as for the paper handkerchief or the compliance and the fluffy degree of paper article are not enough, the ability of absorbing water of paper article is not enough, the problem of layering appears in the paper handkerchief after the knurling.
Furthermore, an embossing definition difference value is preset in the central control unit, when the central control unit judges that the embossing definition does not meet the standard, the central control unit calculates the embossing definition difference value and selects to increase or reduce the atomization rate of the atomization device according to the difference value, the atomization rate is accurately controlled, the embossing quality of the paper towel can be guaranteed, the attractiveness of the paper towel is improved, the softness and the filling power of a product are improved, the water absorption capacity of the paper towel is improved, the problems that the produced paper towel is not clear in embossing or the embossing depth is not enough to cause that the paper towel is not attractive enough or the softness and the filling power of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the embossed paper towel is layered are solved.
Furthermore, an embossing depth difference value is preset in the central control unit, the central control unit calculates the embossing depth difference value and selects to increase or decrease the distance between the embossing rollers according to the difference value when the central control unit judges that the embossing depth does not meet the standard, the paper towel embossing quality can be guaranteed through accurately controlling the distance between the embossing rollers, the attractiveness of the paper towel is improved, the softness and the bulkiness of the product are improved, the water absorption capacity of the paper towel is improved, and the problems that the produced paper towel is not embossed clearly or the embossing depth is not enough to cause that the paper towel is not attractive enough or the softness and the bulkiness of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the embossed paper towel is layered can be effectively solved.
Furthermore, the maximum adjusting frequency N0 and the maximum embossing roller adjusting distance delta Dmax are preset in the central control unit, when the central control unit completes one-time adjustment, the central control unit records the adjusting frequency as N =1, when N = N0 or delta D =deltaDmax, if E ∉ E0 or F = F0, the central control unit enables the atomizing rate of the atomizing device or the distance between the embossing rollers to be re-determined, the quality of embossing of the paper towel can be guaranteed, the attractiveness of the paper towel can be improved, the softness and bulkiness of the product can be improved, the water absorption capacity of the paper towel can be improved, and the problems that the produced paper towel is not embossed clearly or the embossing depth is not enough to enable the paper towel to be not attractive enough or the softness and bulkiness of the paper towel are not enough, the water absorption capacity of the paper towel is not enough, and the paper towel after embossing is layered can be effectively solved.
Further, the equipment of the multi-surface embossed paper towel process flow comprises,
the device comprises a conveying roller, a dryer, an atomizing device, an embossing roller, a video shooting device, an ultrasonic detection device, a drying winding machine and a central control unit.
Drawings
FIG. 1 is a schematic flow diagram of a process for producing a multi-faced embossed tissue of the present invention;
FIG. 2 is a schematic view of a multi-faced embossed tissue processing apparatus of the present invention;
FIG. 3 is a schematic view of an embossing roll of a multi-faced embossed tissue processing apparatus according to the present invention.
1-atomization device, 2-motor, 3-first embossing roller, 4-video shooting device, 5-ultrasonic detection device, 6-drying winder, 7-conveying roller, 8-drying machine, 9-second embossing roller, 10-first limiting block and 11-second limiting block.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principles of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a multi-faced embossed paper towel process flow includes,
step a, conveying the paper towel to a dryer for drying;
b, the central control unit controls the atomization device to atomize the paper towel and controls the embossing roller to emboss the paper towel;
step c, drying and rolling to obtain a finished product;
in step b, when embossing is performed, the central control unit compares the actual tissue thickness Q with a preset tissue thickness to select a distance between the embossing rollers and an atomization rate, after the central control unit controls the embossing rollers to emboss the tissue, the central control unit compares the actual embossing definition E of the tissue with a preset embossing definition range E0 of the tissue, and sets E0 (Emin, emax), wherein Emin is a minimum value of the preset embossing definition range of the tissue, emax is a maximum value of the preset embossing definition range of the tissue, if the central control unit determines that the actual embossing definition E of the tissue does not meet a standard, the central control unit calculates an embossing definition difference value E and compares the preset embossing definition difference value to select an atomization rate adjustment coefficient to adjust the atomization rate of the atomization device, if the central control unit determines that the actual embossing definition E meets the standard, the central control unit determines that the actual embossing depth F does not meet a standard embossing depth range F0, sets F0 (Fmin, fmax), and determines that the actual embossing depth F meets a next step if the actual embossing depth adjustment parameter F does not meet the standard, and determines that the central control unit does not meet the next step F;
the embossing definition is measured by shooting by a video shooting device, and the embossing depth is measured by an ultrasonic detection device.
Specifically, a first paper towel thickness A1, a second paper towel thickness A2, a third paper towel thickness A3 and a fourth paper towel thickness A4 are preset in the central control unit, the central control unit selects the atomization rate V and the preset embossing roller interval D of the corresponding atomization device according to the paper towel thickness, when the central control unit judges that the paper towel thickness is Ai, i =1,2,3,4 is set, the central control unit sets the atomization rate of the atomization device to Vi and the embossing roller interval to Di.
Specifically, in the step b, after the central control unit finishes selecting the atomization rate V of the atomization device and the preset embossing roller distance D, the central control unit utilizes the embossing definition shot by the video shooting device and sets the actual embossing definition E, when the setting is finished, the central control unit compares the actual embossing definition E with the preset embossing definition range, if E belongs to E0, the central control unit judges that the embossing definition meets the standard, if E ∉ E0, the central control unit judges that the embossing definition does not meet the standard, the central control unit calculates the embossing definition difference Δ E and selects to increase or decrease the atomization rate of the atomization device according to the difference.
Furthermore, a first embossing definition difference delta E1, a second embossing definition difference delta E2, a third embossing definition difference delta E, a first atomization rate adjusting coefficient alpha 1, a second atomization rate adjusting coefficient alpha 2, a third atomization rate adjusting coefficient alpha 3 and a fourth atomization rate adjusting coefficient alpha 4 are preset in the central control unit;
when E is larger than Emax, the central control unit calculates an embossing definition difference value delta E according to the actual embossing definition E shot by the video shooting device, and sets delta E = E-Emax;
when delta E is less than delta E1, the central control unit selects a first atomization rate adjustment coefficient alpha 1 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E and less than the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when delta E2 is more than or equal to delta E and less than delta E3, the central control unit selects a third atomization rate adjustment coefficient alpha 3 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when E is less than Emin, the central control unit calculates an embossing definition difference value delta E according to the actual embossing definition E shot by the video shooting device, and sets delta E' = Emin-E;
when the delta E' is less than the delta E1, the central control unit selects a first atomization rate adjusting coefficient alpha 1 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E' and less than the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E2 is more than or equal to the delta E' and less than the delta E3, the central control unit selects a third atomization rate adjusting coefficient alpha 3 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E' is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
the central control unit records the adjusted atomization rate of the atomization device as V ', and sets V' = V × α i, i =1,2,3,4.
Specifically, when the central control unit determines that E belongs to E0, the central control unit utilizes an ultrasonic detection device to detect the embossing depth in real time and set the embossing depth as an actual embossing depth F, after the setting is completed, the central control unit compares the actual embossing depth F with a preset embossing depth range F0, if F belongs to F0, the central control unit determines that the actual embossing depth F meets the standard, if F ∉ F0, the central control unit determines that the actual embossing depth F does not meet the standard, the central control unit calculates an embossing depth difference value delta F and selects to increase or decrease the embossing roller distance according to the difference value.
Specifically, a first embossing depth difference delta F1, a second embossing depth difference delta F2, a third embossing depth difference delta F3, a first embossing roller spacing adjustment coefficient beta 1, a second embossing roller spacing adjustment coefficient beta 2, a third embossing roller spacing adjustment coefficient beta 3 and a fourth embossing roller spacing adjustment coefficient beta 4 are preset in the central control unit;
when F is larger than Fmax, the central control unit calculates an embossing depth difference value delta F according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F = F-Fmax;
when delta F is less than delta F1, the central control unit selects a first embossing roller interval adjusting coefficient beta 1 to control a second motor to increase the embossing roller interval to a corresponding value;
when delta F1 is more than or equal to delta F < delta F2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to increase the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F and less than delta F3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to increase the embossing roller spacing to a corresponding value;
when the delta F is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to increase the embossing roller interval to a corresponding value;
when F is less than Fmin, the central control unit calculates an embossing depth difference value delta F 'according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F' = Fmin-F;
when the delta F' is less than the delta F1, the central control unit selects a first embossing roller spacing adjusting coefficient beta 1 to control a second motor to reduce the embossing roller spacing to a corresponding value;
when delta F1 is more than or equal to delta F' <deltaF 2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to reduce the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F' <deltaF 3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to reduce the embossing roller spacing to a corresponding value;
when the delta F' is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to reduce the embossing roller interval to a corresponding value;
the center control unit records the adjusted embossing roller spacing as D ', and sets D' = D × β i, i =1,2,3,4.
Specifically, in the step b, when the central control unit finishes the judgment of the actual embossing definition E and the real-time embossing depth F, if E belongs to E0 and F belongs to F0, the central control unit judges that the embossing process is finished and rolls the paper towel.
Specifically, the central control unit is preset with a maximum adjusting number of times N0 and a maximum embossing roller adjusting distance Δ Dmax, when the central control unit completes one adjustment, the central control unit records the adjusting number of times as N =1, and when N = N0 or Δ D =Δdmax, if E ∉ E0 or F ∉ F0, the central control unit will re-determine the atomizing rate of the atomizing device or the embossing roller spacing.
Specifically, the calculation formula of the embossing roller spacing Δ D is:
△D=|D’-D|
in the formula, D' represents the adjusted embossing roller pitch, and D represents the preset embossing roller pitch.
Referring to fig. 2-3, an apparatus of a multi-faced embossed paper towel process flow comprises,
a conveying roller 7 for conveying the paper towel;
a dryer 8 for drying the paper towel;
an atomizing device 1 provided with a pump for atomizing water and an atomizing head, the atomizing device being capable of adjusting an atomizing rate;
the embossing roller is provided with a motor 2, a first embossing roller 3 and a second embossing roller 9 and used for embossing atomized paper towels, the motor 2 is used for adjusting the distance between the first embossing roller 3 and the second embossing roller 9, the first embossing roller 3 is provided with a bulge, and the second embossing roller 9 is provided with a groove corresponding to the bulge of the first embossing roller;
the video shooting device 4 is used for detecting the definition of the embossing of the paper towel;
an ultrasonic detection device 5 for detecting the embossing depth of the paper towel;
the drying and winding machine 6 is used for drying and winding the embossed paper towel;
and a central control unit (not shown in the figure) which is connected with the atomizing device, the embossing roller, the video shooting device and the ultrasonic detection device and is used for controlling the operation of the equipment.
Specifically, when the paper towel is printed, the conveying roller 7 conveys the paper towel to the dryer 8 to dry the paper towel, after the drying is finished, the central control unit controls the atomizing device 1 to atomize the paper towel so that the paper towel is wet and convenient to emboss the paper towel, the atomized paper towel can improve the softness of the paper towel so as to emboss the paper towel, after the atomization is finished, the central control unit controls the motor 2 to adjust the distance between the first embossing roller and the second embossing roller 9 to emboss the paper towel, when the embossing is finished, the central control unit judges whether the embossing definition meets the standard according to the embossing definition shot by the video shooting device 4, if the embossing definition does not meet the standard, the central control unit adjusts the atomizing rate of the atomizing device 1, judges whether the embossing depth meets the standard according to the embossing depth detected by the ultrasonic detection device 5, if the embossing depth does not meet the standard, the central control unit judges that the motor 2 adjusts the distance between the first embossing roller and the second embossing roller 9, if the embossing depth does not meet the embossing standard, the central control unit judges that the embossing depth meets the embossing process after the embossing definition meets the embossing standard, the central control unit judges that the embossing process is finished product is rolled in a rolled paper towel, and the paper towel is a finished product, and the paper towel is prepared by a coating layer is a high-rolled paper towel aqueous solution, and the paper towel is rolled and the paper towel is prepared by a coating layer.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multi-surface embossed paper towel process flow is characterized by comprising the following steps,
step a, conveying the paper towel to a dryer for drying;
b, the central control unit controls the atomization device to atomize the paper towel and controls the embossing roller to emboss the paper towel;
step c, drying and rolling to obtain a finished product;
in step b, when embossing is performed, the central control unit compares the actual tissue thickness Q with a preset tissue thickness to select a distance between the embossing rollers and an atomization rate, after the central control unit controls the embossing rollers to emboss the tissue, the central control unit compares the actual embossing definition E of the tissue with a preset embossing definition range E0 of the tissue, and sets E0 (Emin, emax), wherein Emin is a minimum value of the preset embossing definition range of the tissue, emax is a maximum value of the preset embossing definition range of the tissue, if the central control unit determines that the actual embossing definition E of the tissue does not meet a standard, the central control unit calculates an embossing definition difference value E and compares the preset embossing definition difference value to select an atomization rate adjustment coefficient to adjust the atomization rate of the atomization device, if the central control unit determines that the actual embossing definition E meets the standard, the central control unit determines that the actual embossing depth F does not meet a standard embossing depth range F0, sets F0 (Fmin, fmax), and determines that the actual embossing depth F meets a next step if the actual embossing depth adjustment parameter F does not meet the standard, and determines that the central control unit does not meet the next step F;
the embossing definition is measured by shooting by a video shooting device, and the embossing depth is measured by an ultrasonic detection device.
2. The multi-faced embossed paper towel process flow according to claim 1, wherein a first paper towel thickness A1, a second paper towel thickness A2, a third paper towel thickness A3 and a fourth paper towel thickness A4 are preset in the central control unit, the central control unit selects the atomization rate V and the preset embossing roller spacing D of the corresponding atomization device according to the paper towel thickness, when the central control unit judges that the paper towel thickness is Ai, i =1,2,3,4 is set, and the central control unit sets the atomization rate of the atomization device to Vi and the embossing roller spacing to Di.
3. The process flow of the multi-faced embossed paper towel according to claim 2, wherein in step b, after the central control unit completes the selection of the atomization rate V and the preset embossing roller spacing D of the atomization device, the central control unit utilizes the embossing definition shot by the video shooting device and sets the actual embossing definition E to the same, when the setting is completed, the central control unit compares the actual embossing definition E with the preset embossing definition range, if E belongs to E0, the central control unit judges that the embossing definition meets the standard, if E ∉ E0, the central control unit judges that the embossing definition does not meet the standard, the central control unit calculates the difference Delta E of the embossing definition and selects to increase or decrease the atomization rate of the atomization device according to the difference.
4. The multi-faced embossed paper towel process according to claim 2, wherein the central control unit is preset with a first embossing definition difference Δ E1, a second embossing definition difference Δ E2, a third embossing definition difference Δ E, a first atomization rate adjustment coefficient α 1, a second atomization rate adjustment coefficient α 2, a third atomization rate adjustment coefficient α 3, and a fourth atomization rate adjustment coefficient α 4;
when E is larger than Emax, the central control unit calculates an embossing definition difference value delta E according to the actual embossing definition E shot by the video shooting device, and sets delta E = E-Emax;
when delta E is less than delta E1, the central control unit selects a first atomization rate adjustment coefficient alpha 1 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E and less than the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when delta E2 is more than or equal to delta E and less than delta E3, the central control unit selects a third atomization rate adjustment coefficient alpha 3 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when the delta E is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to reduce the atomization rate V of the atomization device to a corresponding value;
when E is less than Emin, the central control unit calculates an embossing definition difference value delta E 'according to the actual embossing definition E shot by the video shooting device, and sets delta E' = Emin-E;
when the delta E' is less than the delta E1, the central control unit selects a first atomization rate adjusting coefficient alpha 1 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E1 is more than or equal to the delta E' and less than the delta E2, the central control unit selects a second atomization rate adjusting coefficient alpha 2 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E2 is more than or equal to delta E' <deltaE 3, the central control unit selects a third atomization rate adjusting coefficient alpha 3 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
when the delta E' is more than or equal to the delta E3, the central control unit selects a fourth atomization rate adjusting coefficient alpha 4 to control the first motor to increase the atomization rate V of the atomization device to a corresponding value;
the central control unit records the adjusted atomization rate of the atomization device as V ', and sets V' = V × α i, i =1,2,3,4.
5. The multi-face embossed paper towel process flow according to claim 2, characterized in that when the central control unit determines that E belongs to E0, the central control unit utilizes an ultrasonic detection device to detect the embossing depth in real time and sets the embossing depth as an actual embossing depth F, after the setting is completed, the central control unit compares the actual embossing depth F with a preset embossing depth range F0, if F belongs to F0, the central control unit determines that the actual embossing depth F meets the standard, if F ∉ F0, the central control unit determines that the actual embossing depth F does not meet the standard, the central control unit calculates an embossing depth difference Δ F and selects to increase or decrease the embossing roller spacing according to the difference.
6. The multi-faced embossed tissue process according to claim 5, wherein the central control unit is preset with a first embossing depth difference Δ F1, a second embossing depth difference Δ F2, a third embossing depth difference Δ F3, a first embossing roll pitch adjustment factor β 1, a second embossing roll pitch adjustment factor β 2, a third embossing roll pitch adjustment factor β 3, and a fourth embossing roll pitch adjustment factor β 4;
when F is larger than Fmax, the central control unit calculates an embossing depth difference value delta F according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F = F-Fmax;
when delta F is less than delta F1, the central control unit selects a first embossing roller interval adjusting coefficient beta 1 to control a second motor to increase the embossing roller interval to a corresponding value;
when delta F1 is more than or equal to delta F < delta F2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to increase the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F and less than delta F3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to increase the embossing roller spacing to a corresponding value;
when the delta F is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to increase the embossing roller interval to a corresponding value;
when F is less than Fmin, the central control unit calculates an embossing depth difference value delta F 'according to the actual embossing depth F detected by the ultrasonic detection device, and sets delta F' = Fmin-F;
when the delta F' is less than the delta F1, the central control unit selects a first embossing roller spacing adjusting coefficient beta 1 to control a second motor to reduce the embossing roller spacing to a corresponding value;
when delta F1 is more than or equal to delta F' <deltaF 2, the central control unit selects a second embossing roller spacing adjustment coefficient beta 2 to control a second motor to reduce the embossing roller spacing to a corresponding value;
when delta F2 is more than or equal to delta F' <deltaF 3, the central control unit selects a third embossing roller spacing adjustment coefficient beta 3 to control the second motor to reduce the embossing roller spacing to a corresponding value;
when the delta F' is more than or equal to the delta F3, the central control unit selects a fourth embossing roller interval adjusting coefficient beta 4 to control the second motor to reduce the embossing roller interval to a corresponding value;
the center control unit records the adjusted embossing roller spacing as D ', and sets D' = D × β i, i =1,2,3,4.
7. The process flow of the multi-surface embossed paper towel of claim 1, wherein in the step b, when the central control unit determines the actual embossing definition E and the actual embossing depth F, if E belongs to E0 and F belongs to F0, the central control unit determines that the embossing process is completed and the paper towel is rolled.
8. The multi-faced embossed paper towel process according to claim 1, wherein the central control unit is preset with a maximum adjusting time N0 and a maximum embossing roller adjusting distance Δ Dmax, when the central control unit completes one adjustment, the central control unit records the adjusting time as N =1, and when N = N0 or Δ D =Δdmax, if E ∉ E0 or F ∉ F0, the central control unit will re-determine the atomizing rate of the atomizing device or the embossing roller spacing.
9. The multi-faced embossed tissue process of claim 8 wherein the embossing roll spacing Δ D is calculated by the formula:
△D=|D’-D|
in the formula, D' represents the adjusted embossing roller pitch, and D represents the preset embossing roller pitch.
10. An apparatus for utilizing the multi-faced embossed tissue process of claim 1, comprising,
a conveying roller for conveying the paper towel;
a dryer for drying the paper towel;
an atomizing device provided with a pump for atomizing water and an atomizing nozzle, the atomizing device being capable of adjusting an atomizing rate;
the embossing device comprises an embossing roller, a first embossing roller and a second embossing roller, wherein the embossing roller is provided with a motor, the first embossing roller and the second embossing roller and is used for embossing atomized paper towels, the motor is used for adjusting the distance between the first embossing roller and the second embossing roller, the first embossing roller is provided with a bulge, and the second embossing roller is provided with a groove corresponding to the bulge of the first embossing roller;
the video shooting device is used for detecting the definition of embossing the paper towel;
the ultrasonic detection device is used for detecting the embossing depth of the paper towel;
the drying and winding machine is used for drying and winding the embossed paper towel;
and the central control unit is connected with the atomizing device, the embossing roller, the video shooting device and the ultrasonic detection device and is used for controlling the equipment to operate.
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| CN102407614B (en) * | 2011-11-14 | 2013-09-18 | 佛山市南海区德昌誉机械制造有限公司 | Embossing device for use on paper towel processing equipment and embossing production technology thereof |
| CN104044303A (en) * | 2013-03-14 | 2014-09-17 | 浙江沃莱菲装饰材料有限公司 | Knurling technique for non-woven paper |
| CN106956490A (en) * | 2016-01-11 | 2017-07-18 | 成都凝结文化传播有限公司 | A kind of paper handkerchief combination process |
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