CN214238675U - Bamboo wood straw apparatus for producing - Google Patents
Bamboo wood straw apparatus for producing Download PDFInfo
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- CN214238675U CN214238675U CN202022730937.8U CN202022730937U CN214238675U CN 214238675 U CN214238675 U CN 214238675U CN 202022730937 U CN202022730937 U CN 202022730937U CN 214238675 U CN214238675 U CN 214238675U
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Abstract
The utility model relates to a bamboo straw production device, during processing, bamboo chips are placed on a lower die, the middle parts of the bamboo chips are opposite to a first forming groove, and the middle parts of the bamboo chips are pressed down to the bamboo chips through a middle cylindrical die to form a U shape or a V shape; the upper die descends, two side walls of the guide groove respectively provide inward-deformed lateral extrusion force for the U-shaped or V-shaped arms of the bamboo chips, the upper die continues to descend, and the U-shaped or V-shaped arms of the bamboo chips form a semicircle under the action of the second forming groove; then cooling and drawing out the cylindrical mold, opening the upper mold and taking out the product; the processing is quick, the efficiency is high, the cost is low, and the batch production is convenient.
Description
Technical Field
The utility model relates to a bamboo wood straw processing technology field, more specifically say, relate to a bamboo wood straw apparatus for producing.
Background
Bamboo and wood products are products processed by adopting bamboo or wood as materials, and along with the gradual expansion of plastic prohibiting actions, the bamboo and wood products are gradually popularized and developed increasingly due to the characteristics of environmental protection and degradability;
at present, bamboo straws are mostly manufactured by means of a drilling process, the diameter of each bamboo straw is 8MM, the prior manufacturing technology is that the bamboo straws are manufactured into 9X9MM square strips, then manufactured into 8MM round rods, the middle of each bamboo straw is drilled out by a rotary drill bit and manufactured into a tubular shape, the length of each straw is generally more than 20 cm, the drilling mode is not easy to remove chips, the dislocation is easy to cause the wall of each straw to be broken, the yield is influenced, 4-5 thousands of straws can be manufactured by 1 cubic meter of bamboo straws, and materials are seriously wasted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, a bamboo straw apparatus for producing is provided.
The utility model provides a technical scheme that its technical problem adopted is:
a production process for constructing a bamboo straw is disclosed, wherein the processing method comprises the following steps:
cutting the bamboo and wood sheets according to the size requirement, carrying out primary hot pressing on the bamboo and wood sheets to form a U shape or a V shape, carrying out secondary hot pressing or extrusion on two ends of the U shape or the V shape of the bamboo and wood sheets to enable the two ends to be butted and glued to the butted position.
The production process of the bamboo straw, wherein the temperature range is 50-280 ℃ when the hot-pressing operation is carried out.
The production process of the bamboo straw of the utility model comprises the following steps: the bamboo and wood chips with the water content of 5-75% are selected as raw materials, or the moisture content of the bamboo and wood chips is humidified or dried before and/or after the bamboo and wood chips are cut according to the size requirement, so that the moisture content of the bamboo and wood chips is controlled to be 5-75%.
The production process of the bamboo straw of the utility model comprises the following steps: gluing two ends of the bamboo and wood sheets; the gluing operation is carried out after the bamboo chips are cut according to the size requirement, or after the bamboo chips are extruded into a U shape or a V shape for the first time, or after the U shape or the V shape of the bamboo chips are hot pressed or extruded for the second time to enable the U shape or the V shape of the bamboo chips to be butted.
Bamboo wood straw production technology, wherein, the pressure range is when carrying out hot pressing or extrusion operation: 0.1-30 kg pressure per square centimeter.
The production process of the bamboo straw of the utility model, wherein the glue adopted in the gluing operation is hot melt glue, natural dry glue or hot dry glue;
when thermosol is adopted, gluing is realized by carrying out ultrasonic treatment on the butt joint;
when natural dry glue is adopted, the butt joint is pressed and kept until the glue is bonded;
when the hot dry glue is adopted, the gluing is realized by carrying out ultrasonic wave or heating on the butt joint part.
Bamboo wood straw production technology, wherein, adopt lower mould and middle cylinder mould cooperation to carry out hot pressing operation once, be provided with on the lower mould with middle cylinder mould shape complex first shaping recess:
and placing the bamboo chips on the lower die, wherein the middle parts of the bamboo chips are opposite to the first forming grooves, and pressing the middle parts of the bamboo chips downwards through the middle cylinders until the bamboo chips form a U shape.
Bamboo wood straw production technology, wherein, adopt and go up the mould and accomplish secondary hot pressing or extrusion operation, go up the mould lower extreme and offer the guiding groove of V type, guiding groove bottom shaping have with the second molding groove that first molding groove corresponds:
the upper die moves downwards, two side walls of the guide groove respectively provide inward-deformed lateral extrusion force for the two U-shaped arms of the bamboo chips, the upper die continues to move downwards, and the two U-shaped arms of the bamboo chips form a semicircle under the action of the second forming groove.
The bamboo straw is characterized by being manufactured by the bamboo straw production process.
A bamboo straw production device comprises a lower die, an upper die, a middle cylindrical die, a heating unit and an ultrasonic assembly; a first forming groove matched with the middle cylindrical die in shape is formed in the lower die; the lower end of the upper die is provided with a V-shaped guide groove, and the bottom of the guide groove is provided with a second forming groove corresponding to the first forming groove; the upper end of the lower die is provided with the ultrasonic assembly; the heating unit is used for heating the bamboo and wood sheets and/or the lower die.
The beneficial effects of the utility model reside in that: the bamboo and wood sheets are cut according to the size requirement, the bamboo and wood sheets are hot-pressed into a U shape or a V shape at one time, the U-shaped or V-shaped two ends of the bamboo and wood sheets are hot-pressed or extruded for the second time to be butted and glued to the butted positions, the mode has the advantages of high processing efficiency, convenience for mass production, high yield, almost no waste of raw materials, easiness in controlling the wall thickness of the suction pipe, and the suction pipe with the diameter of 8MM is taken as an example, about 20 ten thousand can be manufactured by 1 cubic meter of bamboo and wood, so that the economic benefit is excellent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
FIG. 1 is a flow chart of the production process of the bamboo straw in the preferred embodiment of the present invention;
FIG. 2 is a schematic view of the production process of the bamboo straw in the preferred embodiment of the present invention;
fig. 3 is a schematic structural view of the device for producing bamboo straws in accordance with the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses bamboo wood straw production technology of preferred embodiment, as shown in fig. 1, refer to simultaneously and show fig. 2, the processing method is as follows:
s01: cutting the bamboo and wood sheets according to the size requirement;
s02: carrying out one-time hot pressing on the bamboo and wood sheets to form a U shape or a V shape;
s03: carrying out secondary hot pressing or extrusion on the two U-shaped or V-shaped ends of the bamboo wood sheets to enable the two ends to be butted and glued at the butted positions;
by adopting the mode, the processing efficiency is high, the mass production is convenient, the yield is high, the raw materials are hardly wasted, the wall thickness of the suction pipe is very easy to control, and about 20 ten thousand suction pipes can be manufactured by 1 cubic meter of bamboo by taking the bamboo suction pipe with the diameter of 8MM as an example, so that the economic benefit is excellent;
it should be noted that the mold used for hot pressing may adopt the mold structure provided in the present application, or may also adopt the existing hot pressing mold for operation, and the existing replacement based on this kind of mold also belongs to the protection scope of the present application;
the shape of the manufactured suction pipe can be round, square, triangular, elliptical, rhombic and the like, and the mould with the corresponding shape can be replaced during manufacturing, so that the mode of changing the shape of the product also belongs to the protection scope of the application;
the U-shaped or V-shaped structure includes not only the U-shaped and V-shaped structures, but also some approximate structures with the overall contour of the U-shaped and V-shaped structures, and the above manner of changing the shapes also belongs to the protection scope of the present application.
The six processes from left to right in the attached figure 2 of the specification are as follows: cutting, gluing, positioning, hot-pressing into a U shape or a V shape, hot-pressing into a round shape, gluing and blanking;
preferably, the two ends of the bamboo chips can adopt a plane butt joint mode, a butt joint mode such as a sawtooth surface butt joint mode, a T-shaped surface butt joint mode and a superposition butt joint mode, and the conversion butt joint mode also belongs to the protection scope of the application.
Preferably, the temperature range is 50-280 ℃ when hot pressing is carried out; the bamboo and wood sheets are formed and the formed shape is shaped;
during hot pressing, can also heat the product through heating the mould, also can adopt two kinds of heating methods to go on simultaneously, and the current replacement based on this kind of heating method belongs to this application protection category equally.
Preferably, the method further comprises the following steps: selecting bamboo chips with the water content of 5-75% as raw materials, or humidifying or drying the bamboo chips before and/or after the bamboo chips are cut according to the size requirement to control the water content of the bamboo chips to be 5-75%; the flexibility of the bamboo wood pieces is convenient to guarantee, and the occurrence of cracking is reduced.
Preferably, the method further comprises the following steps: gluing two ends of the bamboo and wood sheets; the gluing operation is carried out after the bamboo chips are cut according to the size requirement, or after the bamboo chips are extruded into a U shape or a V shape for the first time, or after the U shape or the V shape of the bamboo chips are hot pressed or extruded for the second time to enable the U shape or the V shape of the bamboo chips to be butted.
Preferably, the hot pressing or extrusion operation is carried out at a pressure in the range of: 0.1-30 kg pressure per square centimeter.
Preferably, the glue used in the gluing operation is hot melt glue, natural dry glue or hot dry glue;
when thermosol is adopted, gluing is realized by carrying out ultrasonic treatment on the butt joint;
when natural dry glue is adopted, the butt joint is pressed and kept until the glue is bonded;
when hot dry glue is adopted, gluing is realized by carrying out ultrasonic wave or heating on the butt joint;
of course, there may be other existing alternatives, such as UV glue, etc., and existing alternatives based on this glue pattern are also within the scope of the present application.
Preferably, adopt lower mould 1 and middle cylinder mould 2 cooperation to carry out a hot pressing operation, be provided with on the lower mould 1 with middle cylinder mould 2 shape fit's first shaping recess 10:
placing the bamboo chips 3 on the lower die 1, wherein the middle parts of the bamboo chips are opposite to the first forming grooves 10, and pressing the middle parts of the bamboo chips 3 downwards through the middle cylindrical die 2 until the bamboo chips are U-shaped;
the processing is quick, the efficiency is high, the cost is low, and the batch production is convenient.
Preferably, adopt last mould 4 to accomplish secondary hot pressing or extrusion operation, go up the guide slot 40 that the V-arrangement was seted up to mould 4 lower extreme, the shaping has the second shaping recess 41 that corresponds with first shaping recess 10 bottom the guide slot 40:
the upper die 4 descends, two side walls of the guide groove 40 respectively provide inward-deformed lateral extrusion force for two U-shaped arms of the bamboo chips 3, the upper die 4 continues to descend, and the two U-shaped arms of the bamboo chips 3 form a semicircle under the action of the second forming grooves 41;
then cooling and drawing out the cylindrical mold, opening the upper mold and taking out the product; the processing is quick, the efficiency is high, the cost is low, and the batch production is convenient;
the above-mentioned concrete mould is for making the required mould shape of circular straw, need change the mould of corresponding shape when other shapes need making, and the mode of above-mentioned transform mould shape belongs to this application protection category equally.
A bamboo straw, according to foretell bamboo straw production technology, wherein, bamboo straw is made by bamboo straw production technology.
A bamboo straw production device is shown in figure 3 and comprises a lower die 1, an upper die 4, a middle cylindrical die 2, a heating unit and an ultrasonic assembly 5; the lower die 4 is provided with a first forming groove 10 matched with the middle cylindrical die 2 in shape; the lower end of the upper die 4 is provided with a V-shaped guide groove 40, and the bottom of the guide groove 40 is formed with a second forming groove 41 corresponding to the first forming groove 10; the upper end of the lower die 4 is provided with an ultrasonic component 5; the heating unit is used for heating the bamboo and wood sheet 3 and/or the lower die; the heating unit can also heat the upper die as required;
during processing, the bamboo chips 3 are placed on the lower die 1, the middle parts of the bamboo chips are opposite to the first forming grooves 10, and the middle parts of the bamboo chips 3 are pressed downwards through the middle cylindrical die 2 until the bamboo chips form a U shape or a V shape; the upper die 4 descends, two side walls of the guide groove 40 respectively provide inward-deformed lateral extrusion force for the two U-shaped or V-shaped arms of the bamboo and wood sheet 3, the upper die 4 continues to descend, and the two U-shaped or V-shaped arms of the bamboo and wood sheet 3 form a semicircle under the action of the second forming groove 41; then cooling and drawing out the cylindrical mold 2, opening the upper mold 4 and taking out the product; the processing is quick, the efficiency is high, the cost is low, and the batch production is convenient;
better, the lower mould upper surface can also set up a constant head tank, fixes a position when supplying the bamboo chip to place.
Experimental data:
experiment 1:
hot-pressing fusion bonding experiment: experimental equipment: hot press, mould, microcomputer warm table
Experimental materials: birch bark, PLA powder and water
The experimental steps are as follows: starting a hot press, adjusting the temperature to 160 ℃, heating the die, and inputting 5 kg of air pressure; heating to 180 ℃ by a microcomputer heating table, melting PLA powder into paste by hot melting, coating the paste on the edge of the birch bark, cooling, placing the birch bark in a bottom die of a hot pressing machine, pressing the birch bark into a U shape by a first section of cylindrical die, closing up the birch bark by a second section of cylindrical die, carrying out hot-pressing fusion for 2 seconds, cooling for 50 seconds, and taking out.
The experimental results are as follows: the veneer has good bending and shaping degree and good adhesiveness to the interface, and does not crack after being soaked in water for 5 hours.
Comment on: high product qualification rate and long processing time
Experiment 2:
ultrasonic welding experiment:
experimental equipment: ultrasonic welding machine, grinding tool and microcomputer heating table
Experimental materials: birch bark, PLA powder and water
The experimental steps are as follows: starting an ultrasonic welding machine, inputting 5 kilograms of air pressure, delaying welding for 0.5 second, maintaining the pressure for 2 seconds and adjusting the ultrasonic load power to 3200W; heating to 180 ℃ by a microcomputer heating table, melting PLA powder into paste by heat, coating the paste on the edge of the birch bark, cooling, placing the birch bark in an ultrasonic bottom die, pressing the birch bark into a U shape by a first section of cylindrical die, and taking out the birch bark after the second section of cylindrical die is closed and welded.
The experimental results are as follows: the veneer has good bending and shaping degree and good adhesiveness to the interface, and does not crack after being soaked in water for 5 hours.
Comment on: the product qualification rate is high, and the production speed is fast.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (1)
1. A bamboo straw production device is characterized by comprising a lower die, an upper die, a middle cylindrical die, a heating unit and an ultrasonic assembly; a first forming groove matched with the middle cylindrical die in shape is formed in the lower die; the lower end of the upper die is provided with a V-shaped guide groove, and the bottom of the guide groove is provided with a second forming groove corresponding to the first forming groove; the upper end of the lower die is provided with the ultrasonic assembly; the heating unit is used for heating the bamboo and wood sheets and/or the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022730937.8U CN214238675U (en) | 2020-11-23 | 2020-11-23 | Bamboo wood straw apparatus for producing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022730937.8U CN214238675U (en) | 2020-11-23 | 2020-11-23 | Bamboo wood straw apparatus for producing |
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| Publication Number | Publication Date |
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| CN214238675U true CN214238675U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022730937.8U Active CN214238675U (en) | 2020-11-23 | 2020-11-23 | Bamboo wood straw apparatus for producing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474754A (en) * | 2022-02-09 | 2022-05-13 | 福建双羿竹木发展有限公司 | Conical geometric bamboo product forming equipment and forming method thereof |
| CN116442344A (en) * | 2022-01-10 | 2023-07-18 | 龙竹科技集团股份有限公司 | Manufacturing process of pressing groove type bamboo-wood straw |
-
2020
- 2020-11-23 CN CN202022730937.8U patent/CN214238675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116442344A (en) * | 2022-01-10 | 2023-07-18 | 龙竹科技集团股份有限公司 | Manufacturing process of pressing groove type bamboo-wood straw |
| CN114474754A (en) * | 2022-02-09 | 2022-05-13 | 福建双羿竹木发展有限公司 | Conical geometric bamboo product forming equipment and forming method thereof |
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