CN115972642A - Method for manufacturing novel composite paper core pipe - Google Patents
Method for manufacturing novel composite paper core pipe Download PDFInfo
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- CN115972642A CN115972642A CN202211347065.4A CN202211347065A CN115972642A CN 115972642 A CN115972642 A CN 115972642A CN 202211347065 A CN202211347065 A CN 202211347065A CN 115972642 A CN115972642 A CN 115972642A
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- core pipe
- paper core
- main body
- resin
- fiber
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- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 10
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 239000011347 resin Substances 0.000 claims abstract description 40
- 229920005989 resin Polymers 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000002791 soaking Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000013585 weight reducing agent Substances 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 241000779819 Syncarpia glomulifera Species 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229940056211 paraffin Drugs 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 239000001739 pinus spp. Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 229940036248 turpentine Drugs 0.000 claims description 3
- 229940099259 vaseline Drugs 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Moulding By Coating Moulds (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
The invention discloses a manufacturing method of a novel composite paper core pipe, which comprises the following steps of selecting raw materials; step two, mixing resin; step three, soaking the fibers; step four, winding fibers; step five, heating and curing; step six, forming treatment; step seven; packaging and warehousing; the paper core pipe is formed by winding and curing the fiber serving as the aggregate impregnating resin, so that the structural strength of the paper core pipe is effectively improved, the paper core pipe is not easy to deform, has a smooth surface and stable physical properties, is favorable for repeated use of the paper core pipe, reduces waste and is favorable for environmental protection; the surface spraying of core pipe main part has antistatic backing, great promotion the antistatic ability of core fiber tube, through the setting of fixed inserted block and slot, is favorable to realizing the quick concatenation equipment of core fiber tube, is favorable to changing the length of core pipe again according to the size around rolling up the paper, need not the production of drawing the die again, has enlarged the application scope of core fiber tube, greatly reduced use cost.
Description
Technical Field
The invention relates to the technical field of paper core pipe production, in particular to a manufacturing method of a novel composite paper core pipe.
Background
Paper core pipe is the tubulose object that paper processing becomes, most paper pipes are spiral paper pipe and seamless paper pipe, current paper core pipe is most made for single paper, be difficult to guarantee to work under the high humidity, the condition of high corruption, and current paper core pipe is disposable product mostly, be difficult to used repeatedly, use cost has been increased, be unfavorable for the environmental protection, and current paper core pipe resistance to compression shock resistance is poor, yielding under the punching press, be difficult to keep the use of high strength, while the surface is crude, it is not resistant static, current paper core pipe is for the proof strength simultaneously, increase the thickness of tubular product, cause unnecessary wasting of resources, increase manufacturing cost, and paper core pipe length is fixed in process of production, when the paper of different length need be rolled up, need produce the paper core pipe of different length, the practicality has been reduced.
Disclosure of Invention
The invention aims to provide a manufacturing method of a novel composite paper core pipe, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: novel combined material refill pipe, including the core pipe main part, the outer circumference spraying of core pipe main part has antistatic backing, and opens at core pipe main part center has central through-hole, and a plurality of heavy grooves that subtract have evenly been seted up to circumference in the central through-hole, and spacing boss is installed to core pipe main part one end terminal surface position, and core pipe main part other end terminal surface position has seted up the slot.
Preferably, the edge positions of the end faces of the two ends of the core tube main body are respectively provided with a first chamfer and a second chamfer.
Preferably, the bottom of the slot is provided with a limit boss, and the depth of the slot is the same as that of the fixed insertion block.
The manufacturing method of the novel composite paper core pipe comprises the steps of firstly, selecting raw materials; step two, mixing resin; step three, soaking the fibers; step four, winding fibers; step five, heating and curing; step six, forming treatment; step seven; packaging and warehousing;
in the first step, firstly, selecting a proper amount of fibers and thermosetting resin according to the formula design of the composite paper core pipe for later use;
in the second step, after the thermosetting resin in the first step is selected, a stirrer is used, the thermosetting resin and the defoaming agent are put into the stirrer for stirring and mixing, the rotating speed of the stirrer is 350-500r/min, and the stirring time is 10-20min until the thermosetting resin and the defoaming agent are completely and uniformly mixed for later use;
in the third step, after the resins in the second step are uniformly mixed, the resins are conveyed into a resin tank, then the fibers selected in the first step are soaked into the resins, and the fibers are taken out for later use after soaking;
in the fourth step, after the fiber in the third step is soaked in the resin, a release agent is coated on the winding mandrel, and then the fiber impregnated with the resin is wound on the mandrel according to a certain linear rule under the control of tension, wherein the winding speed is 100-200m/min until the thickness of the core tube reaches the specified thickness;
in the fifth step, when the fiber winding in the fourth step reaches the specified thickness, the fiber on the mandrel is heated and cured by using a high-frequency curing furnace until the core tube is completely cured;
in the sixth step, after the core pipe in the fifth step is cured, demolding is carried out under the traction of a traction machine, after demolding is finished, a plurality of weight reduction grooves are formed in the central through hole in the core pipe main body, then, a slot is formed in the end face of one end of the core pipe main body, then, the fixing insertion block is fixed on the end face of the other end of the core pipe main body through glue, then, a first chamfer and a second chamfer are formed in the edges of the end faces of the two ends of the core pipe main body, and then, an anti-static layer is uniformly sprayed on the outer circumference of the core pipe main body, so that the novel composite material paper core pipe is manufactured;
and in the seventh step, after the molding and assembling in the sixth step are finished, the manufactured core pipe is conveyed to a warehouse for storage.
Preferably, in the first step, the fiber is formed by mixing glass fiber, roving, weftless tape and fiber felt according to the mass part ratio of 1: 1.
Preferably, in the first step, the resin is formed by mixing epoxy resin and phenolic resin according to the mass part ratio of 1: 1.
Preferably, in the third step, the soaking time is 30-90s.
Preferably, in the fourth step, the release agent is one or a mixture of more of vaseline, turpentine and paraffin.
Preferably, in the fifth step, the temperature of the high-frequency curing oven is 160-180 ℃, and the curing time is 1.5-2h.
Compared with the prior art, the invention has the beneficial effects that:
1. the paper core pipe is formed by winding and curing the fiber serving as the aggregate impregnating resin, so that the structural strength of the paper core pipe is effectively improved, the paper core pipe is not easy to deform, has a smooth surface and stable physical properties, is favorable for repeated use of the paper core pipe, reduces waste and is favorable for environmental protection;
2. the anti-static layer is sprayed on the surface of the core paper tube, so that the anti-static capacity of the core paper tube is improved;
3. according to the invention, through the arrangement of the fixed insertion block and the slot, the quick splicing and assembling of the core paper tube are favorably realized, the length of the paper core tube is favorably changed again according to the size of the wound paper, the production without opening the die again is not needed, the application range of the core paper tube is expanded, and the use cost is reduced.
Drawings
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 according to the present invention;
FIG. 3 is a perspective view of the overall construction of the present invention;
FIG. 4 is an enlarged view of area B of FIG. 3 according to the present invention;
FIG. 5 is a side cross-sectional view of the overall construction of the present invention;
FIG. 6 is a flow chart of a method of the present invention;
in the figure: 1. a core tube body; 2. fixing the insert block; 3. a central through hole; 4. a weight reduction groove; 5. a first chamfer; 6. a limiting boss; 7. a second chamfer; 8. a slot; 9. and an antistatic layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-5, an embodiment of the present invention is shown: novel combined material refill tube, including core main part 1, the outer circumference spraying of core main part 1 has antistatic backing 9, and open at core main part 1 center has central through-hole 3, a plurality of heavy groove 4 that subtract have evenly been seted up to circumference in 3 central through-holes, spacing boss 6 is installed to 1 one end terminal surface position of core main part, and 1 other end terminal surface position of core main part has seted up slot 8, first chamfer 5 and second chamfer 7 have been seted up respectively to 1 both ends terminal surface border position of core main part, slot 8 bottom is provided with spacing boss 6, and the degree of depth of slot 8 is the same with the degree of depth of fixed inserted block 2.
Referring to fig. 6, an embodiment of the present invention: the manufacturing method of the novel composite paper core pipe comprises the steps of firstly, selecting raw materials; step two, mixing resin; step three, soaking the fibers; step four, winding fibers; step five, heating and curing; step six, forming treatment; step seven; packaging and warehousing;
in the first step, firstly, selecting a proper amount of fibers and thermosetting resin for standby according to the formula design of the composite material paper core pipe, wherein the fibers are formed by mixing glass fibers, roving, weftless tapes and fiber mats according to the mass part ratio of 1: 1, and the resin is formed by mixing epoxy resin and phenolic resin according to the mass part ratio of 1: 1;
in the second step, after the thermosetting resin in the first step is selected, a stirrer is used, the thermosetting resin and the defoaming agent are put into the stirrer for stirring and mixing, the rotating speed of the stirrer is 500r/min, and the stirring time is 20min until the thermosetting resin and the defoaming agent are completely and uniformly mixed for later use;
in the third step, after the resins in the second step are uniformly mixed, the resins are conveyed into a resin tank, then the fibers selected in the first step are soaked in the resins for 60s, and the fibers are taken out for standby after soaking;
in the fourth step, after the fiber in the third step is soaked in the resin, a release agent is coated on the winding mandrel, the release agent is one or a mixture of more of vaseline, turpentine and paraffin, and the fiber impregnated with the resin is wound on the mandrel according to a certain linear rule under the control of tension, wherein the winding speed is 100-200m/min until the thickness of the core tube reaches the specified thickness;
in the fifth step, after the fiber winding in the fourth step reaches the specified thickness, heating and curing the fiber on the mandrel by using a high-frequency curing furnace at the temperature of 180 ℃ for 1.5 hours until the core tube is completely cured;
in the sixth step, after the core pipe in the fifth step is cured, demolding is carried out by utilizing the traction of a traction machine, after demolding is finished, a plurality of weight reducing grooves 4 are formed in a central through hole 3 in the core pipe main body 1, then, a slot 8 is formed in the end face of one end of the core pipe main body 1, then, a fixing insert 2 is fixed on the end face of the other end of the core pipe main body 1 by utilizing glue, then, a first chamfer 5 and a second chamfer 7 are formed in the edges of the end faces of the two ends of the core pipe main body 1, and then, an antistatic layer 9 is uniformly sprayed on the outer circumference of the core pipe main body 1, so that the manufacturing of the novel composite material paper core pipe is finished;
in the seventh step, after the molding and assembling in the sixth step are completed, the manufactured core tube is conveyed to a warehouse for storage.
Based on the above, the invention has the advantages that when the paper core tube is used, the antistatic layer 9 is sprayed on the periphery of the core tube main body 1, so that the antistatic capability of the core tube main body 1 is favorably improved, meanwhile, in the production process of the paper core tube, the paper core tube is formed by winding and solidifying the fiber serving as the aggregate impregnated resin, the structural strength of the paper core tube is effectively improved, the paper core tube is not easy to deform, the surface is smooth, the physical properties are stable, the repeated use of the paper core tube is favorably realized, the waste is reduced, the environment is favorably protected, the quick splicing and assembling of the paper core tube are favorably realized by arranging the fixed inserting block 2 and the inserting slot 8, the length of the paper core tube is favorably changed again according to the size of wound paper, the mold opening production is not required again, the application range of the paper core tube is expanded, and the use cost is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. Novel combined material paper core pipe, including core pipe main part (1), its characterized in that: the core pipe is characterized in that an anti-static layer (9) is sprayed on the outer circumference of the core pipe main body (1), a central through hole (3) is formed in the center of the core pipe main body (1), a plurality of weight reduction grooves (4) are uniformly formed in the inner circumference of the central through hole (3), a limiting boss (6) is installed at the end face of one end of the core pipe main body (1), and a slot (8) is formed in the end face of the other end of the core pipe main body (1).
2. The new composite paper core tube of claim 1 wherein: the edge positions of the end faces of the two ends of the core tube main body (1) are respectively provided with a first chamfer (5) and a second chamfer (7).
3. The new composite paper core tube of claim 1 wherein: the bottom of the slot (8) is provided with a limiting boss (6), and the depth of the slot (8) is the same as that of the fixed insert block (2).
4. The manufacturing method of the novel composite paper core pipe comprises the steps of firstly, selecting raw materials; step two, mixing resin; step three, soaking the fibers; step four, winding fibers; step five, heating and curing; step six, molding treatment; step seven; packaging and warehousing; the method is characterized in that:
in the first step, firstly, selecting a proper amount of fiber and thermosetting resin according to the formula design of the composite material paper core pipe for later use;
in the second step, after the thermosetting resin in the first step is selected, a stirrer is used, the thermosetting resin and the defoaming agent are put into the stirrer for stirring and mixing, the rotating speed of the stirrer is 350-500r/min, and the stirring time is 10-20min until the thermosetting resin and the defoaming agent are completely and uniformly mixed for later use;
in the third step, after the resins in the second step are uniformly mixed, the resins are conveyed into a resin tank, then the fibers selected in the first step are soaked into the resins, and the fibers are taken out for later use after soaking;
in the fourth step, after the fiber in the third step is soaked in the resin, a release agent is coated on the winding mandrel, and then the fiber impregnated with the resin is wound on the mandrel according to a certain linear rule under the control of tension, wherein the winding speed is 100-200m/min until the thickness of the core tube reaches the specified thickness;
in the fifth step, after the fiber winding in the fourth step reaches the specified thickness, the fiber on the mandrel is heated and cured by using a high-frequency curing furnace until the core tube is completely cured;
in the sixth step, after the core pipe in the fifth step is cured, demolding is carried out under the traction of a traction machine, after demolding is finished, a plurality of weight reduction grooves (4) are formed in a central through hole (3) in the core pipe main body (1), then a slot (8) is formed in the end face of one end of the core pipe main body (1), then a fixing insert block (2) is fixed on the end face of the other end of the core pipe main body (1) through glue, then a first chamfer (5) and a second chamfer (7) are formed in the edges of the end faces of the two ends of the core pipe main body (1), and then an anti-static layer (9) is uniformly sprayed on the outer circumference of the core pipe main body (1), so that the novel composite paper core pipe is manufactured;
in the seventh step, after the molding and assembling in the sixth step are completed, the manufactured core tube is conveyed to a warehouse for storage.
5. The method for manufacturing the novel composite paper core tube according to claim 4, wherein: in the first step, the fiber is formed by mixing glass fiber, roving, a weftless tape and a fiber felt according to the mass part ratio of 1: 1.
6. The method for manufacturing the novel composite paper core tube according to claim 4, wherein: in the first step, the resin is prepared by mixing epoxy resin and phenolic resin according to the mass part ratio of 1: 1.
7. The method for manufacturing the novel composite paper core tube according to claim 4, wherein: in the third step, the soaking time is 30-90s.
8. The method for manufacturing the novel composite paper core tube according to claim 4, wherein: in the fourth step, the release agent is one or a mixture of more of vaseline, turpentine and paraffin.
9. The method for manufacturing the novel composite paper core tube according to claim 4, wherein: in the fifth step, the temperature of the high-frequency curing furnace is 160-180 ℃, and the curing time is 1.5-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347065.4A CN115972642A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing novel composite paper core pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211347065.4A CN115972642A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing novel composite paper core pipe |
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| Publication Number | Publication Date |
|---|---|
| CN115972642A true CN115972642A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211347065.4A Pending CN115972642A (en) | 2022-10-31 | 2022-10-31 | Method for manufacturing novel composite paper core pipe |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134020A (en) * | 2011-03-28 | 2011-07-27 | 李苏扬 | Core tube for winding flexible materials |
| CN204508453U (en) * | 2015-02-10 | 2015-07-29 | 苏州天裕塑胶有限公司 | A kind of novel core pipe |
| CN111572104A (en) * | 2020-05-29 | 2020-08-25 | 哈尔滨玻璃钢研究院有限公司 | Low-cost composite core pipe and manufacturing method thereof |
| CN217263966U (en) * | 2022-01-20 | 2022-08-23 | 南京格润包装材料有限公司 | Recyclable paper tube |
-
2022
- 2022-10-31 CN CN202211347065.4A patent/CN115972642A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134020A (en) * | 2011-03-28 | 2011-07-27 | 李苏扬 | Core tube for winding flexible materials |
| CN204508453U (en) * | 2015-02-10 | 2015-07-29 | 苏州天裕塑胶有限公司 | A kind of novel core pipe |
| CN111572104A (en) * | 2020-05-29 | 2020-08-25 | 哈尔滨玻璃钢研究院有限公司 | Low-cost composite core pipe and manufacturing method thereof |
| CN217263966U (en) * | 2022-01-20 | 2022-08-23 | 南京格润包装材料有限公司 | Recyclable paper tube |
Non-Patent Citations (2)
| Title |
|---|
| 于守武: "《高分子材料改性》", 31 May 2015, 知识产权出版社, pages: 205 * |
| 顾伯洪: "《纺织复合材料涉及》", 31 December 2018, 东华大学出版社, pages: 54 - 55 * |
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