CN113146778A - Processing technology of winding type bamboo straw - Google Patents
Processing technology of winding type bamboo straw Download PDFInfo
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- CN113146778A CN113146778A CN202110538234.1A CN202110538234A CN113146778A CN 113146778 A CN113146778 A CN 113146778A CN 202110538234 A CN202110538234 A CN 202110538234A CN 113146778 A CN113146778 A CN 113146778A
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- bamboo
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- winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/24—Manufacture or reconditioning of specific semi-finished or finished articles of household utensils, e.g. spoons, clothes hangers, clothes pegs
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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
- B31C3/00—Making tubes or pipes by feeding obliquely 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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0095—Making drinking straws
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to the technical field of straw processing, in particular to a processing technology of a winding type bamboo straw, which comprises the following steps: and sequentially spirally winding more than two bamboo tapes from inside to outside to form cylinders with more than two layers, enabling the bamboo tapes of the two adjacent cylinders to rotate in opposite directions, and cutting the cylinders to form the straw. The processing technology of the wound bamboo straw provided by the invention enhances the torsion resistance and bending resistance of the bamboo straw, has high mechanical strength, and the capability of the straw product which is prepared by experiments to bear the radially applied destructive force is twice that of the multilayer equidirectional wound straw product, so that the risk of cracking of the straw tube wall is reduced, the long-term use requirement of a user can be met, raw materials can be saved by more than 30% under the same strength, and the processing technology has more advantages compared with the existing multilayer equidirectional wound straw product.
Description
Technical Field
The invention relates to the technical field of straw processing, in particular to a processing technology of a winding type bamboo straw.
Background
The existing winding type bamboo straw is formed by utilizing the superposition and winding of a plurality of layers of spiral bamboo strips, the bamboo strips of each layer are spirally wound in the same rotating direction, and the straw forming method adopting the equidirectional winding has the advantages that: the gluing position is fixed, and the winding angles are consistent, so that the process is simpler and the cost is lower. However, the bamboo straw manufactured by the processing method has weak torsion resistance and bending resistance, and the straw wall is easy to crack, so that the long-term use requirement cannot be met.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a processing technology of a winding type bamboo straw capable of improving the torsion resistance and bending resistance of the straw.
In order to solve the technical problems, the invention adopts the technical scheme that: a processing technology of a winding type bamboo straw comprises the following steps: and sequentially spirally winding more than two bamboo tapes from inside to outside to form cylinders with more than two layers, enabling the bamboo tapes of the two adjacent cylinders to rotate in opposite directions, and cutting the cylinders to form the straw.
The invention has the beneficial effects that: a plurality of bamboo strips adopt spiral winding's mode to constitute every layer of drum from inside to outside, the winding of adjacent two-layer bamboo strip is revolved to the opposite, drum after the winding obtains the straw product through cutting again, when the bamboo straw received the torsion of a direction, the bamboo strip of certain one deck had the risk of the fracture of coming unstuck in seam crossing like this, but adjacent another layer bamboo strip is because it is opposite to revolve, can provide opposite support restraint, and then avoid this problem, the anti buckling capacity of bamboo straw has been improved simultaneously under the effect that multilayer bamboo strip supported in coordination, the risk of straw pipe wall fracture has been reduced on the whole. The processing technology of the wound bamboo straw provided by the invention enhances the torsion resistance and bending resistance of the bamboo straw, has high mechanical strength, and the capability of the straw product which is prepared by experiments to bear the radially applied destructive force is twice that of the multilayer equidirectional wound straw product, so that the risk of cracking of the straw tube wall is reduced, the long-term use requirement of a user can be met, raw materials can be saved by more than 30% under the same strength, and the processing technology has more advantages compared with the existing multilayer equidirectional wound straw product.
Drawings
FIG. 1 is a schematic structural view of a wound bamboo straw according to an embodiment of the present invention;
FIG. 2 is another schematic structural view of the wound bamboo straw according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of a wound bamboo straw according to an embodiment of the present invention;
description of reference numerals:
1. bamboo strips;
2. a cylinder;
3. a first bamboo strip;
4. a first bamboo tube;
5. a first composite band;
6. a second composite band;
7. a second bamboo strip;
8. a second bamboo tube;
9. a third composite band;
10. a fourth composite band;
11. a third bamboo strip;
12. and a third bamboo tube.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a process for manufacturing a wound bamboo straw includes the following steps: and sequentially spirally winding more than two bamboo tapes from inside to outside to form cylinders with more than two layers, enabling the bamboo tapes of the two adjacent cylinders to rotate in opposite directions, and cutting the cylinders to form the straw.
From the above description, the beneficial effects of the present invention are: a plurality of bamboo strips adopt spiral winding's mode to constitute every layer of drum from inside to outside, the winding of adjacent two-layer bamboo strip is revolved to the opposite, drum after the winding obtains the straw product through cutting again, when the bamboo straw received the torsion of a direction, the bamboo strip of certain one deck had the risk of the fracture of coming unstuck in seam crossing like this, but adjacent another layer bamboo strip is because it is opposite to revolve, can provide opposite support restraint, and then avoid this problem, the anti buckling capacity of bamboo straw has been improved simultaneously under the effect that multilayer bamboo strip supported in coordination, the risk of straw pipe wall fracture has been reduced on the whole. The processing technology of the wound bamboo straw provided by the invention enhances the torsion resistance and bending resistance of the bamboo straw, has high mechanical strength, and the capability of the straw product which is prepared by experiments to bear the radially applied destructive force is twice that of the multilayer equidirectional wound straw product, so that the risk of cracking of the straw tube wall is reduced, the long-term use requirement of a user can be met, raw materials can be saved by more than 30% under the same strength, and the processing technology has more advantages compared with the existing multilayer equidirectional wound straw product.
Further, the method specifically comprises the following steps:
the bamboo strips are cut from one end of the bamboo chip to the other end along the fiber direction of the bamboo to obtain more than two bamboo strips, the two ends of the bamboo strips along the fiber direction of the bamboo are respectively set as a head end and a tail end, and the positions of the head end and the tail end of the bamboo strips of the two adjacent layers of cylinders are opposite when the bamboo strips are wound.
It can be known from the above description that the cutting difficulty can be reduced by cutting along the fiber direction, the cutting quality is improved, the cut surface is prevented from having burrs, which affects the subsequent winding and gluing effects, the winding direction of the bamboo strip is the same direction as the fiber direction, the mechanical property of the wound cylinder is ensured, the risk of cracking of the cylinder wall is reduced, the head end and the tail end of the two adjacent layers of bamboo strips are just opposite, namely the head end of one layer of bamboo strip and the tail end of the other adjacent layer of bamboo strip are positioned at the same end of the wound cylinder, the tail end of one layer of bamboo strip and the head end of the other adjacent layer of bamboo strip are positioned at the same end of the wound cylinder, the winding method is adopted, according to the fiber distribution condition of the bamboo chips along the cutting direction, the end with the thinner fiber distribution of one layer of bamboo strip and the end with the denser fiber distribution of the other layer of bamboo strip are arranged at the same end of the wound cylinder, the density change of the two layers of bamboo strips are just opposite, and the complementary effect can be achieved from the view of the mechanical performance, the mechanical property of the cylinder in the axial direction is more uniform, and the torsion resistance and bending resistance of the cylinder wall of the cylinder are improved on the whole.
Further, the method specifically comprises the following steps:
two adjacent layers of bamboo strips are spirally wound along opposite rays.
It can be known from the above description that the bamboo strip close to the inner side is firstly wound in the first rotary direction along the first radial direction, and then another bamboo strip is wound in the outer side in the opposite second rotary direction along the opposite second radial direction from the end far away from the winding start end of the bamboo strip on the inner side, so that when the other bamboo strip on the outer side is wound, the friction force between the bamboo strips on the outer side and the inner side can play a role in compressing and gathering the bamboo strips on the inner side, the bonding strength of the bamboo strips on the spiral joint is enhanced, the problem of degumming and breaking during use is avoided, and the mechanical property of the cylinder is improved.
Further, the method specifically comprises the following steps:
and tightly winding a bamboo strip along a first spiral direction to form a single-layer bamboo tube, and spirally adhering a composite material strip on the surface of the bamboo tube along a bamboo strip winding joint.
It can be known from the above description that the bamboo strips are tightly wound, that is, the edges of the bamboo strips are tightly contacted during winding, so that the sealing performance and the axial and radial deformation resistance of the bamboo tube can be improved, and the spiral composite material strip is adhered along the joint of the bamboo strips, so that the composite material strip enhances the bonding strength of the single-layer bamboo tube at the spiral joint on one hand, and enhances the connection strength of one layer of bamboo tube with another layer of adjacent bamboo tube at the spiral joint on the other hand, thereby improving the overall torsion resistance and bending resistance of the multi-layer bamboo tube after connection.
Further, the method specifically comprises the following steps:
and adhering another composite material belt on the surface of the bamboo tube along a second spiral direction opposite to the first spiral direction.
From the above description, it can be seen that the function of adhering another composite material strip along the second spiral direction is to increase the support and restraint for the bamboo tube in the other spiral direction, the second composite material strip is opposite to the first composite material strip in the spiral direction and provides opposite support and restraint forces, and when the straw is subjected to torque or radial force, the two strips cooperate with each other to enhance the strength of the bamboo tube, improve the torsion and bending resistance of the straw product and reduce the risk of cracking of the bamboo tube.
Further, the method specifically comprises the following steps:
and tightly winding the other bamboo strip on the surface of the bamboo tube along a second spiral direction to form a single-layer bamboo tube, and winding, sewing and adhering the other composite material strip along the bamboo strip of the other bamboo tube.
As can be seen from the above description, the other bamboo strip is reversely wound on the outer wall of the inner bamboo tube, so that the inner side of the joint is bonded with the other composite material strip, and the bonding strength of the outer bamboo tube at the joint and the connection strength of the inner bamboo tube bonded with the outer bamboo tube are improved.
Further, the method specifically comprises the following steps:
the bamboo strip winding seams of the two bamboo tubes at intervals are arranged in a staggered mode along the winding axis.
From the above description, when the number of layers of the bamboo tubes is greater than or equal to three, the joints of the other two bamboo tubes, which are separated by one layer of bamboo tube, are arranged in a staggered manner, so that on one hand, the sealing performance of the wall of the cylinder tube is improved, and on the other hand, the joints of the bamboo belts are arranged in a staggered manner, so that the bamboo tubes have better torsion resistance and bending resistance.
Further, the method specifically comprises the following steps:
the bamboo strip is sequentially softened and glued before being wound, and is dried once after being wound by one layer of bamboo tube.
Known by the above-mentioned description, the bamboo tape makes the bamboo tape have better toughness through heating softening before the winding, difficult brittle failure to do benefit to the combination of glue film, promote the bonding strength of bamboo tape, need dry it after having twined the one deck thick bamboo tube, guarantee inlayer thick bamboo tube structural strength on the one hand, on the other hand prepares for the cementing of inlayer thick bamboo tube and adjacent outer thick bamboo tube.
Further, the method specifically comprises the following steps:
two adjacent layers of bamboo strips are wound at the same spiral angle.
From the above description, when the bamboo strips are wound with the same size of the helical angle, the mechanical properties of the adjacent two layers of bamboo tubes after being combined are more uniform, and the consistency of the strength of each part of the tube wall of the straw is ensured, so that the whole bamboo straw has stronger torsion resistance and bending resistance.
Further, the method specifically comprises the following steps:
two adjacent layers of bamboo strips are wound at helical angles with different sizes.
According to the description, when the bandwidths of the two adjacent bamboo strips are not equal, the two bamboo strips are wound by the helical angles with different sizes, so that raw materials can be greatly saved on the premise of ensuring the strength of the bamboo straw product, and the bamboo straw product has more advantages.
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a processing technology of a winding type bamboo straw comprises the following steps: more than two bamboo strips 1 are sequentially spirally wound from inside to outside to form more than two layers of cylinders 2, the bamboo strips 1 of the two adjacent layers of cylinders 2 are oppositely rotated, and the cylinders 2 are cut to form the straw.
Referring to fig. 1 to fig. 3, a second embodiment of the present invention is:
firstly, cutting one end of a bamboo sheet to the other end along the fiber direction of the bamboo to obtain more than two bamboo strips 1, and respectively setting the two ends of the bamboo strips 1 along the fiber direction of the bamboo as a head end and a tail end;
secondly, sequentially softening and gluing the first bamboo strips 3, tightly winding the first bamboo strips 3 along a first spiral direction to form a single-layer first bamboo tube 4, spirally coating a first composite material strip 5 on the surface of the first bamboo tube 4 along the winding joint of the bamboo strips 1, and drying;
then, a second composite material belt 6 is adhered to the surface of the first bamboo tube 4 along a second spiral direction opposite to the first spiral direction, and drying is carried out;
thirdly, sequentially softening and gluing the second bamboo strips 7, tightly winding the second bamboo strips 7 on the surface of the first bamboo tube 4 along a second spiral direction to form a single-layer second bamboo tube 8, enabling the second composite material strips 6 to be wound and adhered along the bamboo strips 1 of the second bamboo tube 8, spirally winding the first bamboo strips 3 and the second bamboo strips 7 along opposite radial lines during winding, and enabling the head end and the tail end of the first bamboo strips 3 and the tail end of the second bamboo strips 7 to be opposite in position during winding;
and finally, cutting off the cylinder 2 with the double-layer structure of the first bamboo tube 4 and the second bamboo tube 8 according to a preset interval to form more than two straws.
Referring to fig. 1 to fig. 3, a difference between the third embodiment and the second embodiment of the present invention is:
further comprising the steps of: adhering a third composite material belt 9 on the surface of the second bamboo tube 8 opposite to the other side of the second composite material belt 6 along the winding joint of the bamboo belts 1, adhering a fourth composite material belt 10 on the surface of the second bamboo tube 8 along a third spiral direction opposite to the second spiral direction, and drying; sequentially softening and gluing the third bamboo strip 11, tightly winding the third bamboo strip 11 on the surface of the second bamboo tube 8 along a third spiral direction to form a single-layer third bamboo tube 12, enabling the fourth composite material strip 10 to be wound and adhered along the bamboo strip 1 winding seam of the third bamboo tube 12, spirally winding the second bamboo strip 7 and the third bamboo strip 11 along opposite radial lines during winding, and enabling the head end and the tail end of the second bamboo strip 7 and the tail end of the third bamboo strip 11 to be opposite in position during winding; cutting off the cylinder 2 with three-layer structure of a first bamboo tube 4, a second bamboo tube 8 and a third bamboo tube 12 according to a preset interval to form more than two straws.
Referring to fig. 1 to fig. 3, a fourth embodiment of the present invention is different from the third embodiment in that: the bamboo strips 1 of the first bamboo tube 4 and the third bamboo tube 12 are wound and jointed in a staggered mode along the winding axis.
Referring to fig. 1 to fig. 3, a fifth embodiment of the present invention is different from the third embodiment in that: the bamboo strips 1 of the first bamboo tube 4, the second bamboo tube 8 and the third bamboo tube 12 are all wound at the same spiral angle.
Referring to fig. 1 to fig. 3, a sixth embodiment of the present invention is different from the third embodiment in that: the bamboo strips 1 of the first bamboo tube 4, the second bamboo tube 8 and the third bamboo tube 12 are respectively wound at helical angles with different sizes.
Referring to fig. 1 to fig. 3, a seventh embodiment of the present invention is different from the third embodiment in that: the first composite material belt 5, the second composite material belt 6, the third composite material belt 9 and the fourth composite material belt 10 are all made of non-woven fabrics, so that the bonding strength of the composite material belts and the bamboo strips 1 can be improved, the strength, toughness and bending resistance of the wall of the bamboo tube can be improved, and the risk of breaking or cracking of the bamboo straw can be reduced.
In conclusion, the bamboo belts of the bamboo suction pipe are spirally wound to form each layer of the cylinder from inside to outside, the winding directions of the bamboo belts of two adjacent layers are opposite, and the wound cylinder is cut to obtain the suction pipe product, so that when the bamboo suction pipe is subjected to torsion in one direction, the bamboo belts of one layer are in the risk of degumming and cracking at the joint, but the bamboo belts of the other adjacent layer can provide opposite supporting and restraining forces due to the opposite directions, so that the problem is avoided, the bending resistance of the bamboo suction pipe is improved under the synergistic supporting effect of the multiple layers of bamboo belts, and the risk of cracking of the pipe wall of the suction pipe is reduced integrally. The processing technology of the wound bamboo straw provided by the invention enhances the torsion resistance and bending resistance of the bamboo straw, has high mechanical strength, and the capability of the straw product which is prepared by experiments to bear the radially applied destructive force is twice that of the multilayer equidirectional wound straw product, so that the risk of cracking of the straw tube wall is reduced, the long-term use requirement of a user can be met, raw materials can be saved by more than 30% under the same strength, and the processing technology has more advantages compared with the existing multilayer equidirectional wound straw product. The cutting difficulty can be reduced by cutting along the fiber direction, the cutting quality is improved, burrs are prevented from being formed on the cut surface, the subsequent winding and gluing effects are influenced, the winding direction of the bamboo strips is the same as the fiber direction, the mechanical property of the wound cylinder is ensured, the risk of cracking of the cylinder wall is reduced, the head end and the tail end of the adjacent two layers of bamboo strips are just opposite, namely the head end of one layer of bamboo strip and the tail end of the adjacent other layer of bamboo strip are positioned at the same end of the wound cylinder, the tail end of one layer of bamboo strip and the head end of the adjacent other layer of bamboo strip are positioned at the same end of the wound cylinder, the winding method is adopted, according to the fiber distribution condition of the bamboo chips along the cutting direction, the end with the sparse fiber distribution of one layer of bamboo strip and the end with the dense fiber distribution of the other layer of bamboo strip are arranged at the same end of the wound cylinder, the sparse and dense changes of the two layers, the mechanical property of the cylinder in the axial direction is more uniform, and the torsion resistance and bending resistance of the cylinder wall of the cylinder are improved on the whole. The bamboo strip close to the inner side is firstly wound in a first rotary direction along a first ray direction, then another bamboo strip is wound in an opposite second rotary direction along an opposite second ray direction from one end far away from the winding starting end of the bamboo strip on the outer side, and therefore when the other bamboo strip on the outer side is wound, the friction force between the bamboo strip on the outer side and the bamboo strip on the inner side can play a role in compressing and gathering the bamboo strip on the inner side, the bonding strength of the bamboo strip on the spiral joint is enhanced, the problem of degumming and fracture during use is avoided, and the mechanical property of the cylinder is improved. The bamboo strips are tightly wound, namely the edges of the bamboo strips are tightly contacted during winding, the sealing performance and the axial and radial deformation resistance of the bamboo tubes can be improved, and the spiral composite material strips are adhered and coated at the joints of the bamboo strips, so that the composite material strips enhance the bonding strength of a single-layer bamboo tube at the spiral joint on one hand, and improve the connection strength of one layer of bamboo tube and another adjacent layer of bamboo tube at the spiral joint on the other hand, and the integral torsion resistance and bending resistance of the multi-layer bamboo tube after connection are improved. The effect of adhering another composite material band along the second spiral direction is to increase the support and restraint to the bamboo tube in the other spiral direction, the second composite material band and the first composite material band have opposite spiral directions and provide opposite support and restraint forces, when the straw is subjected to torque or radial force, the two cooperate with each other to enhance the strength of the bamboo tube, improve the torsion resistance and the bending resistance of the straw product and reduce the cracking risk of the bamboo tube. The other bamboo strip is reversely wound on the outer wall of the inner bamboo tube, so that the inner side of the joint of the inner bamboo tube is bonded with the other composite material strip, and the bonding strength of the outer bamboo tube at the joint and the connection strength of the inner bamboo tube bonded with the outer bamboo tube are improved. When the number of piles of thick bamboo tube is more than or equal to the three-layer, the seam of two other thick bamboo tubes that the middle interval has a one deck thick bamboo tube is the dislocation arrangement, has improved the leakproofness of cylinder section of thick bamboo wall on the one hand like this, on the other hand staggers the bamboo tape joint position and arranges, has better antitorque, bending resistance, this because if the bamboo tape joint of interlayer is complete unanimous, then very easy collective fracture when the straw receives moment of torsion or radial effort, and even the winding mode that adopts this application takes place the fracture in outer thick bamboo tube, also do not cause the thick bamboo tube of inlayer to crack equally, has promoted the reliability of bamboo straw to a certain extent. Bamboo tape makes the bamboo tape have better toughness through the heat softening before the winding, difficult brittle failure to do benefit to the combination of glue film, promote the joint strength of bamboo tape, need dry it after having twined the one deck thick bamboo tube, guarantee inlayer thick bamboo tube structural strength on the one hand, on the other hand prepares for the cementing of inlayer thick bamboo tube and adjacent outer thick bamboo tube. When the bamboo strips are wound by the helical angles with the same size, the mechanical property of the combined bamboo tubes of the two adjacent layers is more uniform, the consistency of the strength of each part of the tube wall of the straw is ensured, and therefore the whole anti-torsion and anti-bending capability of the bamboo straw is stronger. When the two adjacent bamboo strips are different in bandwidth, the two bamboo strips are wound by the helical angles with different sizes, raw materials can be greatly saved on the premise of ensuring the strength of the bamboo straw product, and the bamboo straw product is more advantageous.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A processing technology of a winding type bamboo straw is characterized by comprising the following steps: and sequentially spirally winding more than two bamboo tapes from inside to outside to form cylinders with more than two layers, enabling the bamboo tapes of the two adjacent cylinders to rotate in opposite directions, and cutting the cylinders to form the straw.
2. The processing technology of the wound bamboo suction pipe as claimed in claim 1, which comprises the following steps:
the bamboo strips are cut from one end of the bamboo chip to the other end along the fiber direction of the bamboo to obtain more than two bamboo strips, the two ends of the bamboo strips along the fiber direction of the bamboo are respectively set as a head end and a tail end, and the positions of the head end and the tail end of the bamboo strips of the two adjacent layers of cylinders are opposite when the bamboo strips are wound.
3. The processing technology of the wound bamboo suction pipe as claimed in claim 1, which comprises the following steps:
two adjacent layers of bamboo strips are spirally wound along opposite rays.
4. The processing technology of the wound bamboo suction pipe as claimed in claim 1, which comprises the following steps:
and tightly winding a bamboo strip along a first spiral direction to form a single-layer bamboo tube, and spirally adhering a composite material strip on the surface of the bamboo tube along a bamboo strip winding joint.
5. The processing technology of the wound bamboo suction pipe as claimed in claim 4, which comprises the following steps:
and adhering another composite material belt on the surface of the bamboo tube along a second spiral direction opposite to the first spiral direction.
6. The processing technology of the wound bamboo suction pipe as claimed in claim 5, which comprises the following steps:
and tightly winding the other bamboo strip on the surface of the bamboo tube along a second spiral direction to form a single-layer bamboo tube, and winding, sewing and adhering the other composite material strip along the bamboo strip of the other bamboo tube.
7. The processing technology of the wound bamboo suction pipe as claimed in claim 4, which comprises the following steps:
the bamboo strip winding seams of the two bamboo tubes at intervals are arranged in a staggered mode along the winding axis.
8. The processing technology of the wound bamboo suction pipe as claimed in claim 4, which comprises the following steps:
the bamboo strip is sequentially softened and glued before being wound, and is dried once after being wound by one layer of bamboo tube.
9. The processing technology of the wound bamboo suction pipe as claimed in claim 1, which comprises the following steps:
two adjacent layers of bamboo strips are wound at the same spiral angle.
10. The processing technology of the wound bamboo suction pipe as claimed in claim 1, which comprises the following steps:
two adjacent layers of bamboo strips are wound at helical angles with different sizes.
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| CN202110538234.1A CN113146778B (en) | 2021-05-18 | 2021-05-18 | Processing technology of winding type bamboo straw |
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| CN202110538234.1A CN113146778B (en) | 2021-05-18 | 2021-05-18 | Processing technology of winding type bamboo straw |
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| CN113146778B CN113146778B (en) | 2022-09-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012855A (en) * | 2021-11-08 | 2022-02-08 | 陈宗指 | Ecological environment-friendly bamboo straw and manufacturing method thereof |
| CN114311853A (en) * | 2021-12-31 | 2022-04-12 | 苏州沪琨智能科技有限公司 | Continuously-formed laminated three-layer paper tube processing equipment |
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