CN112959746A - Processing technology of seamless paper tube - Google Patents
Processing technology of seamless paper tube Download PDFInfo
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- CN112959746A CN112959746A CN202110236172.9A CN202110236172A CN112959746A CN 112959746 A CN112959746 A CN 112959746A CN 202110236172 A CN202110236172 A CN 202110236172A CN 112959746 A CN112959746 A CN 112959746A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C11/00—Machinery for winding combined with other machinery
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Abstract
The invention relates to the technical field of seamless paper tube processing, in particular to a processing technology of a seamless paper tube, which comprises the following steps: the method comprises the following steps: cutting base paper; step two: coiling the base paper; step three: extruding the paper tube; step four: drying; step five: polishing and waxing; step six: cutting a paper tube; step seven: and (6) trimming the cut. After the paper tube is wound, the working process of extruding the paper tube on the winding roller is added, so that the tube wall of the paper tube is more compact through extruding the paper tube after the paper tube is preliminarily molded, the condition that hollowing or bubbles easily occur in the paper tube is avoided through extruding the tube wall, the finished product quality of the paper tube is improved, and meanwhile, the strength, the hardness and the smoothness of the paper tube are increased through an optimal groove processing mode, a processing temperature and a processing time, so that the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of seamless paper tube processing, in particular to a processing technology of a seamless paper tube.
Background
With the rapid development of optical-grade films such as LEDs and protective films, the demand for paper tubes, which are auxiliary materials, is also increasing. That is, new requirements are made on indexes such as concentricity and straightness of the paper tube. Particularly for use as a roll core in optical plastic films because the primary process for optical grade films is coating, which produces skip-coated spots if the roll is striped. However, the paper tube produced by the prior art is relatively backward in equipment and process, the size of the paper tube produced after drying is easy to deform, and the flatness and hardness of the paper tube are poor, so that the performance requirements of the optical film paper tube cannot be met.
Disclosure of Invention
The method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
As a preferable technical scheme, the moisture content of the base paper in the step one is 5-15%.
And as a preferable technical scheme, in the second step, the bevel angle of the surface paper tape subjected to bevel treatment is 20-70 degrees, and the bevel width is 3-6 mm.
As a preferable technical scheme, the special glue for the paper tube in the second step is white latex or starch glue.
As a preferable technical scheme, the speed of the base paper reelpipe in the step two is 10m/min-20 m/min.
As a preferred technical scheme, the temperature of the drying room in the step four is 30-60 ℃.
As a preferable technical scheme, the drying time of the step four is 15-20 hours.
As a preferable technical scheme, the moisture content of the dried paper tube in the step four is 5-9%.
As a preferred technical scheme, the wax in the fifth step is liquid polishing wax.
As a preferred technical scheme, the thickness of the polishing in the step seven is 2-5 mm.
The invention has the beneficial effects that: after the rubberizing reelpipe, the working process that carries out the extrusion to the paper tube on the paper-winding roll has been increased, thereby can be after the preliminary shaping of paper tube reelpipe, through the extrusion to the paper tube, make the pipe wall of paper tube more compact, through the extrusion to the pipe wall, avoid the condition of inside empty drum or bubble to appear easily, the finished product quality of paper tube has been improved, the groove treatment mode of preferred simultaneously, the processing temperature, the process time, the process steps makes the increase intensity of paper tube, hardness and smoothness, and then life has been promoted.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. 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. In case of conflict, the present specification, including definitions, will control.
The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
The invention provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper.
The inventor finds that when the water content of the base paper is higher than 15%, the prepared paper tube is easy to wrinkle, wrinkle and deform after being dried, the strength of the paper tube is greatly reduced, and when the water content of the base paper is too low, the paper tube is easy to crack due to too-high drying, and the quality of the paper tube prepared by the base paper with the water content of 5-15% is better.
The moisture content of the base paper can be controlled by conventional drying before processing, and the test standard of the moisture content of the base paper is GB/T22906.3-2008.
In some preferred embodiments, the bevel angle of the beveled surface paper tape in the second step is 20-70 °, and the bevel width is 3-6 mm.
The flatness of the paper tube in the subsequent treatment process of the paper tape can be greatly improved through groove treatment.
In some preferred embodiments, the paper tube dedicated glue in the second step is white latex or starch glue.
The white latex is a thermoplastic adhesive prepared by vinyl acetate monomer through polymerization reaction under the action of an initiator. The adhesive can be cured at normal temperature, is cured quickly, has high adhesive strength, and has good toughness and durability and is not easy to age.
The white latex is not particularly limited in the present invention, and may be obtained directly from the market or by a method well known to those skilled in the art.
The starch glue is a natural adhesive prepared by taking starch as a base material, and has the characteristics of rich sources, low price, convenience in use and no toxicity.
The special glue for the paper tube is more beneficial Y308 white latex.
In some preferred embodiments, the winding speed of the base paper in the second step is 10m/min to 20 m/min.
The base paper reel pipe speed has a certain relation with the viscosity of colloid, the base paper reel pipe is matched with the selected viscosity, the optimal viscosity of the viscose and the optimal reel pipe speed in actual production can greatly improve the quality, and particularly the strength and the flatness of a paper pipe are greatly improved.
In some preferred embodiments, the temperature of the drying room in the fourth step is 30-60 ℃, and the drying time is 15-20 hours.
The inventor finds that if the drying temperature is higher than 60 ℃ during drying, although the drying time can be greatly reduced, the paper tube is easy to crack, warp and deform, so that the yield of the paper tube is greatly reduced; if the drying temperature of the paper tube is lower than 30 ℃, the moisture in the paper tube cannot be effectively removed, the service life of the paper tube can be reduced, and the strength of the paper tube can be reduced; the drying time is determined according to the specific drying temperature and the moisture content of the base paper, and the preferable drying time is 15-20 hours.
In some preferred embodiments, the moisture content of the dried paper tube in the fourth step is 5-9%.
The inventors found that if the water content of the dried paper tube is too low, the paper tube has high hardness but is easily cracked, and the quality of the paper tube is rather greatly deteriorated, and the water content of the paper tube is preferably 5 to 9%.
In some preferred embodiments, the wax of step five is a liquid polishing wax.
The liquid polishing wax can improve the brightness, smoothness and smooth hand feeling of the paper tube and can prevent moisture.
The paper tube polishing wax can be diluted by deionized water according to the use requirement, and if alcohol is diluted by alcohol, the alcohol is diluted by water and then is slowly added under the stirring condition so as to avoid damaging the stability of the system.
The liquid polishing wax is Tianshi LW-101 liquid polishing wax.
In some preferred embodiments, the thickness of the sanding in step seven is 2-5 mm.
In the actual grinding process, the grinding thickness is selected according to the error existing in cutting.
The invention also needs to detect the quality of the product, and the detection comprises outer diameter detection, inner diameter detection, wall thickness detection, compression strength detection, water content detection and bounce value detection.
The standard of the external diameter, the internal diameter, the wall thickness and the detection test is GB/T22906.4-2008; the compression strength is GB/T22906.9-2008; the water content test standard is GB/T22906.3-2008.
The test requirements for the jitter values are: the length of the winding core is less than or equal to 740mm, the standard of the run-out value is less than or equal to 0.5mm, the length is more than 740mm, and the standard of the run-out value is calculated according to a formula (length/740) 0.5 mm. The jitter value of the invention is less than or equal to 0.5.
The paper tube can be provided with a layer of foam on the surface, and can play a role in buffering when a lithium battery film is wound, so that the yield of a customer product is improved.
Examples
The present invention will be specifically described below by way of examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and that the insubstantial modifications and adaptations of the present invention by those skilled in the art based on the above disclosure are still within the scope of the present invention.
Example 1
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 6.7%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 2
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 18%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 7.2%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 3
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 4%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 3.8%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 4
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 80 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 6.7%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 5
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 7 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 6.7%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 6
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 30 m/min; step four, the drying room temperature is 40 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 6.7%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 7
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 70 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 4.1%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 8
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; the temperature of the drying room is 20 ℃, the drying time is 160 hours, and the water content of the dried paper tube is 11.3; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Example 9
The embodiment provides a processing technology of a seamless paper tube, which comprises the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
The base paper is Qingyun A300 paper tube paper, and the water content of the base paper is 12%; the bevel angle of the surface paper tape subjected to bevel treatment is 50 degrees, and the bevel width is 5 mm; the special glue for the paper tube is more beneficial Y308 white latex; the winding speed of the base paper is 15 m/min; step four, the drying room temperature is 40 ℃, the drying time is 200 hours, and the water content of the dried paper tube is 4.1%; the liquid polishing wax is Tianshi LW-101 liquid polishing wax.
Performance testing
The applicant performed performance tests on the processing techniques of the seamless paper tubes provided in the above examples 1 to 7, the performance tests are as follows:
and (3) testing the deviation of the outer diameter, the inner diameter, the wall thickness and the full length: using the processing techniques provided in examples 1-9, 35 seamless paper tubes (required outer diameter of the paper tube is 172.4mm, wall thickness is 10mm, and overall length is 1000mm) were prepared, respectively, and deviation tests were performed on the outer diameter, inner diameter, wall thickness, and overall length of the paper tubes. The test method is GB/T22906.4-2008. Measuring the number of paper tubes with the outer diameter of 172.4 +/-0.3 mm to be 34 or more, wherein the number is represented by O, and the number is X if not; the number of paper tubes with the wall thickness of 9.8-10.5mm is measured to be 34 or more, and is represented by O, otherwise, X; the number of the paper tubes with the total length within the range of 999-1002mm is measured to be 34 or more, and is represented by O.
And (3) testing the compressive strength: by applying the processing techniques provided in examples 1 to 9, 35 seamless paper tubes (the required outer diameter of the paper tube is 172.4mm, the wall thickness is 10mm, and the overall length is 1000mm) were prepared, respectively, and the paper tubes were tested for compressive strength according to the test standard GB/T22906.9-2008. The number of the paper tubes with the compressive strength of more than or equal to 1000N/100mm is 34 or more, which is represented by A, otherwise, B.
And (3) appearance observation: by applying the processing techniques provided in examples 1 to 9, 35 seamless paper tubes (the required outer diameter of the paper tube is 172.4mm, the wall thickness is 10mm, and the overall length is 1000mm) were prepared, and by observing the appearance of the paper tubes, the number of paper tube surfaces that are smooth, free of chipping, gouging, cracking, salient points, and bending deformation was 34 or more, which is represented by a, or B.
The results of the performance tests are shown in the following table
Table 1 results of performance testing
| Scheme(s) | Outer diameter | Inner diameter | Wall thickness | Full length | Compressive strength | Appearance of the product |
| Example 1 | O | O | O | O | A | A |
| Example 2 | O | O | O | O | B | B |
| Example 3 | O | O | O | O | B | A |
| Example 4 | O | O | O | O | A | B |
| Example 5 | O | O | X | O | A | B |
| Example 6 | X | X | X | X | B | B |
| Example 7 | O | O | O | O | B | B |
| Example 8 | O | O | O | O | B | A |
| Examples9 | X | X | X | O | A | B |
The results of the performance tests in table 1 show that the paper tube processing technology increases the strength, hardness and smoothness of the paper tube.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; as will be readily apparent to those skilled in the art from the disclosure herein, the present invention may be practiced without these specific details; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The processing technology of the seamless paper tube is characterized by comprising the following steps:
the method comprises the following steps: cutting raw paper, namely cutting the raw paper roll by a cutting machine to obtain the raw paper roll with the specification and the size required by paper tube processing;
step two: the method comprises the following steps of (1) winding raw paper into a pipe, namely putting a surface paper tape into a beveling machine to bevel two sides of the paper tape, sequentially staggering, superposing and regularly arranging a plurality of layers of main body paper tapes and the beveled surface paper tape layer by layer from top to bottom, putting the main body paper tapes and the beveled surface paper tape into a paper tape gluing machine in parallel, uniformly coating a layer of special paper pipe glue on the upper surfaces of the main body paper tape and the surface paper tape, and winding the glued paper tape into a pipe on an automatic pipe winding machine;
step three: extruding the paper tube, and rotationally extruding the reeled paper tube on a reeling roller;
step four: drying, namely placing the paper tube coated with the glue into a drying room for drying and dehydrating, and then cooling;
step five: polishing and waxing, namely polishing and waxing the paper tube by using a polishing and waxing integrated machine;
step six: cutting the paper tube, namely cutting the paper tube by using a finishing cutter;
step seven: and (4) trimming the notch, and polishing and flattening the two sections of the paper tube by using a grinding head machine.
2. The process for manufacturing a seamless paper tube according to claim 1, wherein the moisture content of the base paper in the first step is 5-15%.
3. The processing technology of the seamless paper tube as claimed in claim 1, wherein the bevel angle of the surface paper tape subjected to bevel treatment in the second step is 20-70 degrees, and the bevel width is 3-6 mm.
4. The processing technology of the seamless paper tube as claimed in claim 1, wherein the glue special for the paper tube in the second step is white latex or starch glue.
5. The process of claim 1, wherein the winding speed of the base paper in the second step is 10m/min to 20 m/min.
6. The process for manufacturing a seamless paper tube according to claim 1, wherein the temperature of the drying room in the fourth step is 30-60 ℃.
7. The process for manufacturing a seamless paper tube according to claim 6, wherein the drying time in step four is 15-20 hours.
8. The processing technology of the seamless paper tube as claimed in claim 1, wherein the moisture content of the paper tube dried in the fourth step is 5-9%.
9. The process of claim 1, wherein in step five the wax is a liquid polishing wax.
10. The process of claim 1, wherein the thickness of the polishing in step seven is 2-5 mm.
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|---|---|---|---|---|
| TW382702B (en) * | 1998-04-22 | 2000-02-21 | Ever Champion Paper Industry C | Paper tube for tape winding and method of production |
| CN101559657A (en) * | 2009-05-18 | 2009-10-21 | 杭州可恩索华伦纸管有限公司 | Method for producing high-grade paper tube with seamless surface |
| CN205132756U (en) * | 2015-10-27 | 2016-04-06 | 江阴市申丰纸业有限公司 | Waxing paper tube that mirror surface is seamless |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
| CN111114013A (en) * | 2020-01-03 | 2020-05-08 | 保定乐凯包装材料有限公司 | Preparation method of seamless polished paper tube and product |
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|---|---|---|---|---|
| TW382702B (en) * | 1998-04-22 | 2000-02-21 | Ever Champion Paper Industry C | Paper tube for tape winding and method of production |
| CN101559657A (en) * | 2009-05-18 | 2009-10-21 | 杭州可恩索华伦纸管有限公司 | Method for producing high-grade paper tube with seamless surface |
| CN205132756U (en) * | 2015-10-27 | 2016-04-06 | 江阴市申丰纸业有限公司 | Waxing paper tube that mirror surface is seamless |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
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