CN114789494A - Bamboo straw processing method - Google Patents
Bamboo straw processing method Download PDFInfo
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- CN114789494A CN114789494A CN202210557317.XA CN202210557317A CN114789494A CN 114789494 A CN114789494 A CN 114789494A CN 202210557317 A CN202210557317 A CN 202210557317A CN 114789494 A CN114789494 A CN 114789494A
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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
- 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
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
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Abstract
The application relates to the technical field of bamboo product processing, and provides a bamboo straw processing method. The bamboo straw processing method comprises the following steps: selecting a bamboo straw; carrying out wetting treatment and heating treatment on the part to be bent of the bamboo suction pipe; bending the part to be bent of the bamboo suction pipe; and drying the bamboo suction pipe. According to the bamboo straw processing method, the to-be-bent part is subjected to wetting treatment, the bamboo straw is heated to the corresponding glass transition temperature according to the wetting degree of the bamboo straw, the to-be-bent part is bent through the bending device, then the bent bamboo straw is taken out, and the bent bamboo straw is subjected to drying treatment. The bamboo straw that will lead to straight type has been realized processing into crooked bamboo straw, and then has brought better use experience for the user.
Description
Technical Field
The application relates to the technical field of bamboo product processing, in particular to a bamboo straw processing method.
Background
The drinking straw is a fast-food in life, the market demand is huge, and data statistics in 2018 shows that the daily use amount of the disposable straw in the whole world is 15 hundred million. Before the 'plastic prohibited token' is proposed, the market of the global disposable straws is mainly plastic straws, and the discarded disposable straws flow into the sea or are buried underground like other plastic wastes, so that huge environmental pollution is caused, and global attention is attracted. China issued the opinion of the Ministry of national development and improvement and the Ministry of ecological environment on further strengthening the plastic pollution control in 2020, and the national catering industry prohibits the use of the non-degradable disposable plastic straw by the end of 2020.
The bamboo drinking straw is an excellent substitute of a plastic straw, and has the characteristics of environmental protection, reproducibility, recycling and the like. However, the bamboo straw in the related art is straight in appearance and does not have a bent bamboo straw. In the beverage consumer market, the bent straw can bring a better use experience to the user.
Therefore, how to process the bent bamboo straw is a problem to be solved in the industry.
Disclosure of Invention
The present application is directed to solving at least one of the technical problems occurring in the related art. Therefore, the application provides a bamboo straw processing method, which realizes processing of the straight bamboo straw into the bent bamboo straw, and further brings better use experience to users.
According to this application embodiment's bamboo straw processing method, including:
selecting a bamboo straw;
carrying out wetting treatment and heating treatment on the part to be bent of the bamboo suction pipe;
bending the part to be bent of the bamboo suction pipe;
and drying the bamboo suction pipe.
According to the processing method of the bamboo suction pipe, the part to be bent is selected from one end of the bamboo suction pipe, and the part to be bent is located at a position away from the end part of one end of the bamboo suction pipe by a certain distance. And then, carrying out wetting treatment on the part to be bent, so that the water content of the bent part reaches a preset value, and further reducing the glass transition temperature of the part to be bent. And then fixing the moistened bamboo suction pipe on a corresponding bending device. Then the bamboo suction pipe is heated to the corresponding glass transition temperature according to the moisture degree of the bamboo suction pipe, so that the bending effect is better. The bending device is used for bending the part to be bent, then the bent bamboo straw is taken out, and the bent bamboo straw is dried, so that the water content of the bamboo straw is reduced, and the storage time of the bamboo straw is prolonged. And then realized processing into crooked bamboo straw with the bamboo straw of straight type, and then brought better use experience for the user.
According to an embodiment of the application, the select bamboo straw comprises:
judging the type of the selected bamboo suction pipe;
if the selected bamboo suction pipe is the original state bamboo suction pipe, carrying out wetting treatment along a circle of the part to be bent;
and if the selected bamboo suction pipe is subjected to wire drawing and drilling, performing wetting treatment along a circle of the part to be bent or performing wetting treatment on a half circle of the part to be bent close to the side of the bamboo green.
According to an embodiment of the application, the wetting treatment and the heating treatment of the part to be bent of the bamboo suction pipe comprise the following steps: and spraying water to the part to be bent of the bamboo suction pipe, and then heating the part to be bent of the bamboo suction pipe.
According to an embodiment of the application, the wetting treatment and the heating treatment of the part to be bent of the bamboo suction pipe comprise the following steps: and spraying high-temperature water vapor to the part to be bent of the bamboo suction pipe.
According to an embodiment of the present application, the spraying of high temperature steam to the portion of the bamboo straw to be bent comprises: and heating the part to be bent of the bamboo suction pipe.
According to an embodiment of the application, the wetting treatment and the heating treatment of the part to be bent of the bamboo suction pipe comprise:
judging the water content of the selected bamboo straw;
if the water content of the bamboo straw reaches a preset value, the bamboo straw is not subjected to wetting treatment;
and if the moisture content of the bamboo straw does not reach the preset value, performing wetting treatment on the bamboo straw.
According to an embodiment of the application, the bending operation of the part to be bent of the bamboo suction pipe comprises the following steps:
wrapping and clamping the part to be bent of the bamboo suction pipe;
bending the part to be bent of the bamboo suction pipe.
According to an embodiment of the application, the wrapping and clamping operation of the part to be bent of the bamboo suction pipe comprises the following steps:
and installing the part to be bent of the bamboo suction pipe in a clamping and fixing device, wherein the movable range of the part to be bent of the bamboo suction pipe in the clamping and fixing device is less than or equal to 0.5 mm.
According to an embodiment of the application, the bending operation of the part to be bent of the bamboo suction pipe comprises the following steps:
and bending the part to be bent of the bamboo suction pipe towards the direction of the pipe wall close to the side of the tabasheer.
According to an embodiment of the present application, the bending operation of the portion to be bent of the bamboo suction pipe comprises:
bending the part to be bent of the bamboo suction pipe, wherein the included angle between the part to be bent and the length direction of the bamboo suction pipe is alpha, and the alpha is more than or equal to 20 degrees and less than or equal to 80 degrees.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or related technologies of the present application, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a method for processing a bamboo straw according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a bamboo straw in the related art provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a bamboo straw processed by the method for processing a bamboo straw provided in the present application;
Detailed Description
Embodiments of the present application will be described in further detail below with reference to the drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present application and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
In the embodiments of the present application, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present application, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like is intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
The method for processing the bamboo straw according to the present invention will be described with reference to fig. 1 to 3. The method is suitable for the bamboo suction pipe prepared by the processes of bamboo breaking, wire drawing, sawing, drilling and the like, and also suitable for the original state bamboo suction pipe prepared by the processes of sawing, polishing and the like of small-diameter round bamboo.
According to the embodiment of the application, as shown in fig. 1, the method for processing the bamboo straw comprises the following steps:
s1, selecting a bamboo straw;
s2, carrying out wetting treatment and heating treatment on the part to be bent of the bamboo straw;
s3, bending the part to be bent of the bamboo straw;
and S4, drying the bamboo straw.
When the bamboo suction pipe is used, the original state bamboo suction pipe or the processed bamboo suction pipe is selected, a part to be bent is selected at one end of the bamboo suction pipe, and the part to be bent is located at a position away from the end part of one end of the bamboo suction pipe by a certain distance. And then, carrying out wetting treatment on the part to be bent, so that the water content of the bent part reaches a preset value, and further reducing the glass transition temperature of the part to be bent. And then fixing the wet bamboo suction pipe on a corresponding bending device. Then according to the wetness degree of bamboo straw with the bamboo straw heating to corresponding glass transition temperature for the bending effect is better. The bending device is used for bending the part to be bent, then the bent bamboo straw is taken out, and the bent bamboo straw is dried, so that the water content of the bamboo straw is reduced, and the storage time of the bamboo straw is prolonged. And then realized processing into crooked bamboo straw with the bamboo straw of straight type, and then brought better use experience for the user.
In the embodiment of the present application, the bending device may be any suitable structure that can bend the portion to be bent of the bamboo straw.
In an embodiment of the present application, step S1 specifically includes:
judging the type of the selected bamboo straw;
if the selected bamboo suction pipe is the original state bamboo suction pipe, carrying out wetting treatment along a circle of the part to be bent;
if the selected bamboo suction pipe is subjected to wire drawing and drilling, performing wetting treatment along a circle of the part to be bent or performing wetting treatment on a half circle of the part to be bent close to the outer side of the bamboo.
When the bamboo suction pipe bending device is used, the type of the selected bamboo suction pipe is judged, if the bamboo suction pipe is the original state bamboo suction pipe, the to-be-bent part of the original state bamboo suction pipe needs to be subjected to full wetting treatment because the original state bamboo suction pipe is not subjected to corresponding process treatment, the wetting treatment is carried out along a circle of the to-be-bent part, and then the bending effect of the original state bamboo suction pipe is improved. If the bamboo suction pipe processed by the processes of wire drawing, drilling and the like is selected, the processed bamboo suction pipe has a better bending effect relative to the original bamboo suction pipe, the part to be bent of the bamboo suction pipe can be selected to be subjected to full wetting treatment, the part to be bent can be subjected to wetting treatment on the half circle close to the bamboo green side, the bending effect of the half circle close to the bamboo green side is poorer than that of the other half circle, and then the half circle close to the bamboo green side can be subjected to wetting treatment, so that the bending effect of the bamboo suction pipe is improved.
In an embodiment of the present application, step S2 specifically includes:
s21, spraying water to the part to be bent of the bamboo suction pipe, and then heating the part to be bent of the bamboo suction pipe. When the bamboo suction pipe is used, the proper bamboo suction pipe is selected firstly, then the part to be bent of the bamboo suction pipe is sprayed with water, the water content of the part to be bent is improved, and the glass transition temperature of the part to be bent is reduced. And then fixing the moistened bamboo suction pipe on a corresponding bending device. Then the bamboo suction pipe is heated to the corresponding glass transition temperature according to the moisture degree of the bamboo suction pipe, so that the bending device can bend the part to be bent of the bamboo suction pipe, and the bending operation of the bamboo suction pipe is completed.
In an embodiment of the present application, step S2 specifically includes:
and S22, spraying high-temperature water vapor to the part to be bent of the bamboo suction pipe.
When using, select suitable bamboo straw earlier, then to the portion of treating the bending of bamboo straw spray high temperature steam, and then when the moisture content of the portion of treating the bending that improves the bamboo straw, improved the temperature of treating the bending portion, can directly carry out the bending operation to the bamboo straw, reduced the heating step, improved the bending efficiency of bamboo straw.
In an embodiment of the present application, step S22 is followed by:
s221, heating the part to be bent of the bamboo straw.
When the bamboo suction pipe is used, the proper bamboo suction pipe is selected firstly, then high-temperature steam is sprayed to the part, to be bent, of the bamboo suction pipe, the moisture content of the part to be bent is improved, the high-temperature steam and the part to be bent are subjected to heat transfer, the temperature of the part to be bent is increased, then the part to be bent is subjected to heating treatment, the temperature of the part to be bent is further improved, and the bending effect of the bamboo suction pipe is improved. And the part to be bent is treated by high-temperature water vapor, so that the temperature of the part to be bent is increased, and the part to be bent can quickly reach the preset temperature when the part to be bent is subsequently heated, thereby improving the bending efficiency of the bamboo straw.
In an embodiment of the present application, heat treatment is performed to a portion to be bent of a bamboo straw, and specifically includes:
and heating the part to be bent to enable the temperature of the part to be bent to exceed 120 ℃.
When the bending device is used, the part to be bent is heated to be higher than 120 ℃, so that the part to be bent of the bamboo straw reaches the corresponding glass transition temperature, and the bending effect of the part to be bent is ensured.
In the embodiment of this application, to the part of waiting to bend of bamboo straw carry out heat treatment, specifically include: and heating the part to be bent to ensure that the temperature of the part to be bent is 150 ℃. When the bending device is used, the part to be bent of the bamboo straw reaches the most appropriate glass transition temperature by heating the part to be bent to 150 ℃, so that the bending effect of the part to be bent reaches the best. It should be appreciated that the portion to be bent may be heated to any suitable temperature between 120 degrees celsius and 150 degrees celsius.
In the embodiment of this application, to the part of waiting to bend of bamboo straw carry out heat treatment, specifically include: the part to be bent is heated by a high-frequency heating ring or microwave heating. When the bending device is used, the part to be bent is heated by using a high-frequency heating ring or a microwave heating mode, and the part to be bent can be heated at a fixed point and quickly, so that the temperature of the part to be bent quickly reaches a preset temperature. It should be understood that the bend may be heated in any other suitable manner.
In an embodiment of the present application, step S2 specifically includes:
judging the water content of the selected bamboo suction pipe;
if the water content of the bamboo straw reaches a preset value, the bamboo straw is not subjected to wetting treatment;
and if the water content of the bamboo straw does not reach the preset value, performing wetting treatment on the bamboo straw.
When the bamboo straw is used, the bamboo straw is selected firstly, and then the water content of the bamboo straw is judged. When the moisture content of the bamboo straw is higher and can reach the preset value, the bamboo straw does not need to be wetted again, the bamboo straw is directly heated to the corresponding glass transition temperature, the wetting step is reduced, and the efficiency is improved. When the moisture content of the bamboo straw is low and cannot reach the preset value, the bamboo straw is firstly subjected to wetting treatment, the moisture content of the bamboo straw is improved, and then the bamboo straw is subjected to heating treatment, so that the bamboo straw reaches the corresponding glass transition temperature.
In an embodiment of the present application, step S3 specifically includes:
s31, wrapping and clamping the part to be bent of the bamboo straw;
and S32, bending the part to be bent of the bamboo straw.
When the bamboo straw is used, the part to be bent of the bamboo straw is fixed, so that the part to be bent is wrapped and clamped. Then begin to bend and wait to crooked position again, and then can prevent that the both sides perpendicular with the direction of bending of crooked position of bending process bamboo straw are outside protruding to can avoid the emergence that the bending part becomes flat and ftracture in the bending process, guaranteed the quality of the bamboo straw after the bending.
In an embodiment of the present application, step S31 specifically includes: and (3) installing the part to be bent of the bamboo suction pipe in the clamping and fixing device, wherein the movable range of the part to be bent of the bamboo suction pipe in the clamping and fixing device is less than or equal to 0.5 mm. When the bending fixture is used, the bamboo suction pipe is fixed in the clamping fixture, the inner diameter of the hole for fixing the bamboo suction pipe is the same as the outer diameter of the bamboo suction pipe, or the inner diameter of the hole for clamping the fixture is not more than 5mm larger than the outer diameter of the bamboo suction pipe, so that the bending part cannot be shrunken or cracked when bent, and the quality of the bent bamboo suction pipe is ensured.
Wherein, in the embodiment of this application, press from both sides tight fixing device and can use current device, press from both sides the effect that tight fixing device is concrete fixed and crooked simultaneously, can be at fixed bamboo straw back bending treat crooked position, realize the bending operation to the bamboo straw. Corresponding clamping fixture structures are known in the related art and will not be repeated here.
In an embodiment of the present application, step S3 specifically includes: bending the part to be bent of the bamboo suction pipe to the direction of the pipe wall close to the side of the tabasheer. When the straw is used, the part to be bent of the bamboo straw is bent towards the direction of the pipe wall close to the side of the tabasheer, namely, the part to be bent is bent towards the direction far away from the side of the green bamboo, and the hardness degree of the side of the green bamboo is greater than that of the side of the tabasheer. The bending operation of the portion to be bent is made easier by bending the portion to be bent in a direction close to the tabasheer side.
In an embodiment of the present application, step S3 specifically includes: bending the part to be bent of the bamboo suction pipe, wherein the included angle between the part to be bent and the length direction of the bamboo suction pipe is alpha, and the alpha is more than or equal to 20 degrees and less than or equal to 80 degrees. When the bending device is used, the part to be bent of the bamboo suction pipe is bent, and the included angle between the part to be bent and the length direction of the bamboo suction pipe is controlled to be 20-80 degrees according to the actually required bending degree of the bent bamboo suction pipe.
In the embodiment of the present application, the included angle between the portion to be bent and the length direction of the bamboo suction pipe is preferably 65 °. It should be understood that the angle between the bending portion and the length direction of the bamboo straw can be any other suitable size.
In an embodiment of the present application, step S4 specifically includes: and drying the bamboo straw to ensure that the water content of the bamboo straw is lower than 10%. When the bamboo straw is used, the moisture content of the bent bamboo straw is reduced in modes of airing or drying and the like, so that the moisture content of the bamboo straw is reduced to be below 10%, and the bamboo straw can be stored for a longer time.
In one embodiment of the present application, a method of processing a bamboo straw comprises:
selecting a bamboo suction pipe with the length of 20cm and the outer diameter of 7mm, and taking a part 4cm away from the end part as a part to be bent;
carrying out wetting treatment and heating treatment on the part to be bent of the bamboo straw;
bending the part to be bent of the bamboo suction pipe, so that the included angle between the part to be bent and the length direction of the bamboo suction pipe is 65 degrees.
In one embodiment of the present application, a method of processing a bamboo straw comprises:
selecting a bamboo suction pipe with the length of 20cm and the outer diameter of 8mm, and taking a part 4cm away from the end part as a part to be bent;
carrying out wetting treatment and heating treatment on the part to be bent of the bamboo straw;
bending the part to be bent of the bamboo suction pipe, so that the included angle between the part to be bent and the length direction of the bamboo suction pipe is 55 degrees.
Finally, it should be noted that the above embodiments are only for illustrating the present application, and do not limit the present application. Although the present application has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and the technical solutions of the present application should be covered by the claims of the present application.
Claims (10)
1. A method for processing a bamboo straw is characterized by comprising the following steps:
selecting a bamboo straw;
carrying out wetting treatment and heating treatment on the part to be bent of the bamboo suction pipe;
bending the part to be bent of the bamboo suction pipe;
and drying the bamboo suction pipe.
2. The bamboo straw processing method according to claim 1, wherein the selecting of the bamboo straw comprises the following steps:
judging the type of the selected bamboo suction pipe;
if the selected bamboo suction pipe is the original state bamboo suction pipe, carrying out wetting treatment along a circle of the part to be bent;
and if the selected bamboo suction pipe is subjected to wire drawing and drilling, performing wetting treatment along a circle of the part to be bent or performing wetting treatment on a half circle of the part to be bent close to the side of the bamboo green.
3. The method for processing the bamboo suction pipe as claimed in claim 1, wherein the wetting and heating treatment of the to-be-bent portion of the bamboo suction pipe comprises: and spraying water to the part to be bent of the bamboo suction pipe, and then heating the part to be bent of the bamboo suction pipe.
4. The method for processing the bamboo suction pipe as claimed in claim 1, wherein the step of performing the wetting treatment and the heating treatment on the part to be bent of the bamboo suction pipe comprises the following steps: and spraying high-temperature water vapor to the part to be bent of the bamboo suction pipe.
5. The bamboo suction pipe processing method according to claim 4, wherein the spraying of the high-temperature steam to the portion to be bent of the bamboo suction pipe comprises: and heating the part to be bent of the bamboo suction pipe.
6. The bamboo suction pipe processing method according to any one of claims 1 to 5, wherein the wetting treatment and the heating treatment are performed on the part to be bent of the bamboo suction pipe, and the method comprises the following steps:
judging the water content of the selected bamboo straw;
if the water content of the bamboo straw reaches a preset value, the bamboo straw is not subjected to wetting treatment;
and if the moisture content of the bamboo straw does not reach the preset value, performing wetting treatment on the bamboo straw.
7. The bamboo suction pipe processing method according to any one of claims 1 to 5, wherein the bending operation of the portion to be bent of the bamboo suction pipe comprises:
wrapping and clamping the to-be-bent part of the bamboo suction pipe;
bending the part to be bent of the bamboo suction pipe.
8. The method for processing the bamboo suction pipe as claimed in claim 7, wherein the wrapping and clamping operation of the portion to be bent of the bamboo suction pipe comprises:
and installing the part to be bent of the bamboo suction pipe in a clamping and fixing device, wherein the movable range of the part to be bent of the bamboo suction pipe in the clamping and fixing device is less than or equal to 0.5 mm.
9. The bamboo suction pipe processing method according to any one of claims 1 to 5, wherein the bending operation of the portion to be bent of the bamboo suction pipe comprises:
and bending the part to be bent of the bamboo suction pipe towards the direction of the pipe wall close to the tabasheer side.
10. The bamboo suction pipe processing method according to any one of claims 1 to 5, wherein the bending operation of the portion to be bent of the bamboo suction pipe comprises:
bending the part to be bent of the bamboo suction pipe, wherein the included angle between the part to be bent and the length direction of the bamboo suction pipe is alpha, and the alpha is more than or equal to 20 degrees and less than or equal to 80 degrees.
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| CN202210557317.XA CN114789494B (en) | 2022-05-20 | 2022-05-20 | Bamboo straw processing method |
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| CN202210557317.XA CN114789494B (en) | 2022-05-20 | 2022-05-20 | Bamboo straw processing method |
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| CN114789494A true CN114789494A (en) | 2022-07-26 |
| CN114789494B CN114789494B (en) | 2023-04-07 |
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