CN115446935A - Bamboo spoon hot-press forming cracking-preventing method and device - Google Patents
Bamboo spoon hot-press forming cracking-preventing method and device Download PDFInfo
- Publication number
- CN115446935A CN115446935A CN202211038196.4A CN202211038196A CN115446935A CN 115446935 A CN115446935 A CN 115446935A CN 202211038196 A CN202211038196 A CN 202211038196A CN 115446935 A CN115446935 A CN 115446935A
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- bamboo
- cutting
- spoon
- functional part
- ladle
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 92
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 92
- 241001330002 Bambuseae Species 0.000 title claims abstract description 92
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 92
- 239000011425 bamboo Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000005336 cracking Methods 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000012467 final product Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 238000003856 thermoforming Methods 0.000 claims 6
- 230000002265 prevention Effects 0.000 claims 2
- 239000000047 product Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
-
- 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
Abstract
The invention discloses a bamboo spoon hot-press forming anti-cracking method, which comprises the following steps: a. slicing the bamboo with polished surface, wherein the thickness of each bamboo slice is more than 1.5mm; b. cutting bamboo into spoon shape, including handle part with flat plate structure and functional part with flat plate structure; c. putting the functional part into a pre-digging mechanism, cutting a part of the middle part of the functional part, and enabling the thickness of the bamboo chips at the cutting position to be not more than 1.5mm and not less than 0.5mm after cutting; d. putting the pre-dug functional part into a hot press for hot press molding to form a final product; the invention also discloses a bamboo spoon hot-press forming cracking-preventing device. The bamboo spoon can greatly improve the cracking resistance of the bamboo spoon with the thickness of more than 1.5mm, is beneficial to further improving the qualification rate of products when the bamboo spoon is hot-pressed, and has great significance for reducing the production cost, effectively utilizing bamboo and the like.
Description
Technical Field
The invention relates to the field of bamboo product production, in particular to a bamboo spoon hot-press forming cracking-preventing method and device.
Background
Along with the improvement of people's standard of living, people's environmental protection consciousness strengthens gradually, to the extraordinarily concern of the diet health, plastic tableware leads to people to pay close attention to the product of natural composition because of its inside can volatilize when using, and bamboo tableware is because of its natural no additive composition, also can not produce any harmful composition in the use and by the selection of people a large amount in addition, especially take a business, go out to have a dinner etc. flourishing now, disposable bamboo tableware is more welcomed. The spoon is one kind of bamboo tableware, and the functional part of the spoon is a concave curved surface, so that the manufacturing cost and complexity are higher compared with other tableware.
The way of traditional bamboo ladle generally is that the monolithic bamboo timber digs out the functional part of ladle again after mechanical cutting, does so not only can lead to a large amount of wastes of material, still leads to under the limited prerequisite of bamboo timber, and output is also limited to not being fit for the great condition of disposable bamboo system ladle demand, moreover, traditional bamboo ladle manufacturing technology requires higherly to bamboo timber thickness etc. material supply requirement also higherly.
Some compression molding processes for bamboo spoons also appear in the prior art, and the compression molding process has a small cracking phenomenon in the compression process for bamboo chips with the thickness of less than 1.5mm, but has a cracking phenomenon easily in the compression process for bamboo chips with the thickness of more than 1.5mm, so that the qualification rate of products is seriously influenced. And thickness is less than 1.5 mm's bamboo chip because too thin, in the use, often because handle department intensity is not enough and lead to the fracture, influences normal use, and the bamboo timber intensity of thickness more than 1.5mm can satisfy the operation requirement, consequently, how to reduce the bamboo ladle of thickness more than 1.5 mm's the phenomenon of preventing ftractureing and to improving the output of bamboo ladle and the aspect of effective utilization of material significant.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a bamboo spoon hot-press forming cracking-prevention method and device, which can greatly improve the cracking-prevention performance of a bamboo spoon with the thickness of more than 1.5mm, is favorable for further improving the qualification rate of products during hot-pressing of the bamboo spoon, and has great significance for reducing the production cost, effectively utilizing bamboo and the like.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a bamboo spoon hot-press forming anti-cracking method comprises the following steps:
a. slicing the bamboo with polished surface, wherein the thickness of each bamboo slice is more than 1.5mm;
b. cutting the bamboo chips into spoon shapes, including a handle part with a flat plate structure and a functional part with the flat plate structure;
c. putting the functional part into a pre-digging mechanism, cutting a part of the middle part of the functional part, and enabling the thickness of the bamboo chips at the cutting position to be not more than 1.5mm and not less than 0.5mm after cutting;
d. and putting the pre-dug functional part into a hot press for hot press molding to form a final product.
The invention provides a further technical scheme as follows: the area of the cutting part of the functional part in the step c is not less than that of the hot-press molding area in the step d.
Furthermore, in the step c, a one-time cutting forming process is adopted for the cutting process of the functional part.
The utility model provides a bamboo ladle hot briquetting prevents device that ftractures, includes the feed mechanism who installs on the support body and connect gradually, digs mechanism, discharge mechanism in advance and control above-mentioned three kinds of mechanism moving control mechanism, dig the mechanism in advance and include cutting unit and location conveying unit, the cutting unit is located location conveying unit top to carry out the automatic cutting to the bamboo ladle function portion middle part that reachs the cutting position.
Further, location conveying unit includes that the width is less than the width of ladle handle but is greater than the notch passageway of the width of ladle function portion, and the feed inlet department of notch passageway is equipped with the positioning mechanism that can advance line location to ladle function portion end, and positioning mechanism includes the support body of positioning pressure plate and fixed position clamp plate, has the coincidence point between the orthographic projection of positioning pressure plate's outward flange and the orthographic projection of cutting unit, the cutting unit is located the top of notch passageway feed inlet.
Further, the cutting unit comprises a rotating shaft and a plurality of cutting blades mounted on the rotating shaft, and the plurality of cutting blades are annularly distributed along the rotating shaft.
Further, feed mechanism is including pushing away material lead screw, rack and the storage unit that is located the rack top, the storage unit includes two vertical and relative U type grooves of placing, and two U type grooves form the storage structure that has the storage function in vertical direction apart from certain distance, be equipped with the notch that supplies single bamboo ladle to pass through between storage unit lower extreme and the rack, push away the one end that the material lead screw is located the rack to by fixed frequency motor control.
Further, discharge mechanism includes two sets of at least conveying rollers, and when the functional part of bamboo ladle was located cutting unit below, the handle of this bamboo ladle was located a set of at least conveying roller.
Furthermore, the driving motors of the feeding mechanism and the discharging mechanism share the same chain or belt.
Furthermore, the advancing routes of the feeding mechanism, the pre-digging mechanism and the discharging mechanism are on the same straight line.
Compared with the prior art, the invention has the advantages that:
1. according to the bamboo spoon hot press forming anti-cracking method and device, the functional part of the bamboo spoon with the thicker thickness is dug out, so that the thickness of the part, used for containing articles, of the functional part of the bamboo spoon is smaller than 1.5mm, then hot press forming is carried out, cracking of the functional part of the bamboo spoon can be greatly reduced, and the bamboo spoon has the main supporting function and is provided with the handle when in use, so that the thickness reduction of the functional part of the bamboo spoon cannot affect normal use;
2. according to the bamboo spoon hot-press forming anti-cracking device, due to the reasonable arrangement of the pre-digging mechanism, the automatic positioning of the functional part of the bamboo spoon can be realized through the cutting unit and the positioning conveying unit, the positioning deviation is not easy to occur, the automatic, accurate and rapid cutting of the functional part of the bamboo spoon can be realized, the production efficiency is high, and the product qualification rate is high.
Drawings
FIG. 1 is a schematic view of the structure of the crack preventing device of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an enlarged schematic view of the positioning mechanism of the present invention;
FIG. 4 is an enlarged schematic view of the magazine unit of the present invention;
fig. 5 is a schematic structural view of the bamboo spoon in the present invention.
Illustration of the drawings:
1. a spoon; 11. a handle; 12. a functional section; 2. a frame body; 3. a feeding mechanism; 31. pushing a material screw rod; 32. placing a rack; 33. a material storage unit; 34. a notch; 35. a fixed frequency motor; 4. a pre-digging mechanism; 41. a cutting unit; 411. a rotating shaft; 412. a cutting insert; 413. cutting the motor; 42. a positioning and conveying unit; (ii) a 43. A positioning mechanism; 431. positioning a pressing plate; 432. a frame body; 421. a slot channel; 5. a discharging mechanism; 6. a control mechanism; 7. connect the material equipment.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below.
Referring to fig. 1-4, a bamboo spoon hot-press forming anti-cracking method comprises the following steps:
a. slicing the bamboo with the polished surface by adopting the existing slicing machine, wherein the thickness of each bamboo chip is more than 1.5mm, and the thickness uniformity of the bamboo chips is good;
b. cutting bamboo into a spoon shape, wherein the spoon comprises a handle part 11 with a flat plate structure and a functional part 12 with the flat plate structure, and the handle part 11 and the functional part 12 are of an integrated structure;
c. putting the functional part 12 into the pre-digging mechanism 4, cutting a part of the middle part of the functional part 12, and after cutting, enabling the thickness of bamboo chips at the cutting position to be not more than 1.5mm and not less than 0.5mm, wherein the step is to thin the thickness of the middle part of the functional part 12, so that the functional part 12 of the bamboo spoon 1 does not influence the normal use of the bamboo spoon 1 after thinning, but the functional part 12 of the bamboo spoon 1 after thinning is not easy to crack during hot press molding, and the product qualification rate in the hot press molding process can be greatly improved;
d. and (3) putting the pre-dug functional part 12 into a hot press for hot press molding to form a final product, wherein the process can be completed by adopting the existing corresponding hot press molding machine.
In this embodiment, the area of the cutting portion of the functional part 12 in step c is not less than the area of the hot press molding area in step d, so as to ensure that the acting areas during hot pressing are all areas with a thickness of not more than 1.5mm, and the area of the cutting portion may be the whole area of the functional part, or the whole area except the edge, or the area of the hot press molding portion; in the step c, a one-time cutting forming process is adopted in the cutting process of the functional part 12, so that the machining efficiency is high, and the smoothness of cutting and the thickness uniformity are high.
The utility model provides a bamboo ladle hot briquetting prevents device that ftractures, is including installing feed mechanism 3 that connects gradually on support body 2 and digging mechanism 4, discharge mechanism 5 in advance and controlling above-mentioned three kinds of mechanism moving control mechanism 6 in advance, digs mechanism 4 in advance and includes cutting unit 41 and location conveying unit 42, and cutting unit 41 is located location conveying unit 42 top to carry out automatic cutting to the bamboo ladle functional part 12 middle part that reachs the cutting position.
In this embodiment, the positioning and conveying unit 42 includes a notch channel 421 having a width smaller than that of the handle of the spoon but larger than that of the functional portion of the spoon, when the handle 11 of the bamboo spoon 1 reaches the notch channel 421, the handle 11 can be freely conveyed forward in the notch channel 421, and when the functional portion 12 of the spoon 1 reaches the notch channel 421, the functional portion 12 cannot enter the notch channel 421, at this time, the functional portion 12 is for tilting, because the functional portion 12 tilts and then contacts with the cutting blade 412 of the cutting unit 41, the middle portion of the functional portion 12 is cut, the cutting process also can generate forward thrust to the functional portion 12, and at this time, the handle 11 of the spoon 1 can enter the discharging mechanism 5, under the combined action of the traction force of the discharging mechanism 5 and the thrust of the cutting unit 41, the spoon functional portion 12 can be conveyed forward, but the spoon functional portion 12 can be conveyed forward along the upper portion of the notch channel 421, the feeding port of the notch channel 421 is provided with a positioning mechanism 43 capable of positioning the end of positioning the functional portion 12, the positioning mechanism 43 includes a positioning pressing plate and a fixing the positioning pressing plate, and a positioning plate is capable of ensuring that the cutting unit 431 can be positioned above the cutting unit 431 and the cutting unit 431 is positioned above the notch channel 421, and the cutting unit 431 can not be positioned above the cutting unit 41, and the cutting unit 431 can be positioned above the cutting unit 431, and the cutting unit 41, and the cutting unit 431 can be positioned above the cutting unit 41, and the cutting unit 431.
In this embodiment, the cutting unit 41 includes a rotating shaft 411 and a plurality of cutting blades 412 installed on the rotating shaft 411, the rotating shaft 411 is controlled by a cutting motor 413, and the plurality of cutting blades 412 are distributed annularly along the rotating shaft, and can continuously cut the spoon functional part 12 conveyed therebelow.
In this embodiment, feed mechanism 3 is including pushing away material lead screw 31, rack 32 and the storage unit 33 that is located rack 32 top, storage unit 33 includes two vertical and relative U type grooves of placing, the upper end in U type groove presents the opening form, be convenient for place the material, two U type grooves form the storage structure that has the storage function in vertical direction at a certain distance apart, can stack bamboo ladle 1 in the storage structure, realize continuous processing, be equipped with the notch 34 that supplies single bamboo ladle to pass through between storage unit 33 lower extreme and the rack 32, it passes through notch 34 to guarantee only bamboo ladle 1 once, it is located rack 32's one end to push away material lead screw 31, and by deciding frequency motor 35 control, through deciding frequency motor 35 control and pushing away material lead screw 31 reciprocating motion back and forth, then push away the bamboo ladle 1 forward motion that material lead screw 31 promoted the lower floor.
In this embodiment, the discharging mechanism 5 comprises at least two groups of conveying rollers, so that the discharging process of the bamboo spoon 1 is ensured to be smoothly performed, when the functional part 12 of the bamboo spoon 1 is positioned below the cutting unit 41, the handle 11 of the bamboo spoon 1 is positioned in the at least one group of conveying rollers, so that when the functional part 12 is cut, the handle 11 is subjected to forward traction force, and further the functional part 12 is also subjected to forward traction force, so that the cutting process is ensured to be rapidly performed, and then the bamboo spoon 1 is timely conveyed after the cutting is completed; the tail end of the discharging mechanism 5 is provided with a material receiving device 6.
In this embodiment, the same chain or belt is shared by the driving motors of the feeding mechanism 3 and the discharging mechanism 5, so that the discharging progress is consistent with the feeding progress. The advancing routes of the feeding mechanism 3, the pre-digging mechanism 4 and the discharging mechanism 5 are on the same straight line, so that the whole process control is facilitated, and the space can be saved.
Claims (10)
1. The bamboo spoon hot-press forming anti-cracking method is characterized by comprising the following steps:
a. slicing the bamboo with polished surface, wherein the thickness of each bamboo slice is more than 1.5mm;
b. cutting bamboo into spoon shape, including handle part with flat plate structure and functional part with flat plate structure;
c. putting the functional part into a pre-digging mechanism, cutting a part of the middle part of the functional part, and enabling the thickness of the bamboo chips at the cutting position to be not more than 1.5mm and not less than 0.5mm after cutting;
d. and putting the pre-dug functional part into a hot press for hot press molding to form a final product.
2. The bamboo spoon hot press forming cracking prevention method as claimed in claim 1, wherein the area of the cutting part of the functional part in the step c is not smaller than the area of the hot press forming area in the step d.
3. The bamboo spoon hot press forming cracking prevention method as claimed in claim 1 or 2, wherein a one-time cutting forming process is adopted in the cutting process of the functional part in the step c.
4. The utility model provides a bamboo ladle hot briquetting prevents device that ftractures, its characterized in that, including install on the support body and the feed mechanism that connects gradually, dig mechanism, discharge mechanism in advance and control above-mentioned three kinds of mechanism moving control mechanism, dig the mechanism in advance and include cutting unit and location conveying unit, the cutting unit is located location conveying unit top to carry out automatic cutting to the bamboo ladle function portion middle part that reachs the cutting position.
5. The bamboo ladle thermoforming anti-cracking device of claim 4, wherein the positioning conveying unit comprises a notch channel with a width smaller than that of the ladle handle but larger than that of the ladle functional part, a positioning mechanism capable of positioning the end of the ladle functional part is arranged at a feed inlet of the notch channel, and the cutting unit is positioned above the feed inlet of the notch channel.
6. The bamboo spoon thermoforming anti-cracking device as claimed in claim 4, wherein the cutting unit comprises a rotating shaft and a plurality of cutting blades mounted on the rotating shaft, and the plurality of cutting blades are annularly distributed along the rotating shaft.
7. The bamboo ladle thermoforming anti-cracking device of claim 4, characterized in that feeding mechanism is including pushing away material lead screw, rack and the storage unit that is located the rack top, the storage unit includes two vertical and relative U type grooves of placing, and two U type grooves form the storage structure that has the storage function in vertical direction at a certain distance apart, be equipped with the notch that supplies single bamboo ladle to pass through between storage unit lower extreme and the rack, push away the one end that the material lead screw is located the rack to by fixed frequency motor control.
8. The bamboo spoon thermoforming anti-cracking device as claimed in claim 4, characterized in that the discharging mechanism comprises at least two sets of conveying rollers, and when the functional part of the bamboo spoon is located below the cutting unit, the handle of the bamboo spoon is located in at least one set of conveying rollers.
9. The bamboo spoon thermoforming anti-cracking device of any of claims 4-8, characterized in that the driving motors of the feeding mechanism and the discharging mechanism share the same chain or belt.
10. The bamboo spoon thermoforming anti-cracking device as claimed in any one of claims 4-8, wherein the feeding mechanism, the pre-digging mechanism and the discharging mechanism are arranged on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211038196.4A CN115446935B (en) | 2022-08-29 | 2022-08-29 | Anti-cracking method and device for hot-press forming of bamboo spoon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211038196.4A CN115446935B (en) | 2022-08-29 | 2022-08-29 | Anti-cracking method and device for hot-press forming of bamboo spoon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115446935A true CN115446935A (en) | 2022-12-09 |
| CN115446935B CN115446935B (en) | 2023-12-19 |
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| CN202211038196.4A Active CN115446935B (en) | 2022-08-29 | 2022-08-29 | Anti-cracking method and device for hot-press forming of bamboo spoon |
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|---|---|---|---|---|
| CN209453717U (en) * | 2018-10-23 | 2019-10-01 | 宁波竹韵家居用品有限公司 | Bamboo chip planing device |
| CN110480761A (en) * | 2019-09-16 | 2019-11-22 | 吴平海 | A kind of bamboo shape knife-fork-spoon integrally forming machine |
| CN111251403A (en) * | 2020-02-26 | 2020-06-09 | 湖南银山竹业有限公司 | Bamboo tableware processing and forming method and device |
| CN111844337A (en) * | 2020-07-31 | 2020-10-30 | 湖南省林业科学院 | Processing method of bamboo fork tableware |
| CN111873117A (en) * | 2020-07-31 | 2020-11-03 | 湖南省林业科学院 | Processing method of bamboo spoon tableware |
| JP2021142113A (en) * | 2020-03-12 | 2021-09-24 | 株式会社アステップ | Bamboo tableware and method for manufacturing the same |
| CN113858354A (en) * | 2021-09-29 | 2021-12-31 | 陈和光 | Bamboo tableware article processing technology |
| CN114407160A (en) * | 2021-11-29 | 2022-04-29 | 浙江省林业科学研究院 | Preparation method of bamboo chip homogenized bamboo tableware |
| US20220134594A1 (en) * | 2019-02-27 | 2022-05-05 | Hunan Yinsun Bamboo Industry Co., Ltd. | Bamboo tableware processing method and apparatus |
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2022
- 2022-08-29 CN CN202211038196.4A patent/CN115446935B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209453717U (en) * | 2018-10-23 | 2019-10-01 | 宁波竹韵家居用品有限公司 | Bamboo chip planing device |
| US20220134594A1 (en) * | 2019-02-27 | 2022-05-05 | Hunan Yinsun Bamboo Industry Co., Ltd. | Bamboo tableware processing method and apparatus |
| CN110480761A (en) * | 2019-09-16 | 2019-11-22 | 吴平海 | A kind of bamboo shape knife-fork-spoon integrally forming machine |
| CN111251403A (en) * | 2020-02-26 | 2020-06-09 | 湖南银山竹业有限公司 | Bamboo tableware processing and forming method and device |
| JP2021142113A (en) * | 2020-03-12 | 2021-09-24 | 株式会社アステップ | Bamboo tableware and method for manufacturing the same |
| CN111844337A (en) * | 2020-07-31 | 2020-10-30 | 湖南省林业科学院 | Processing method of bamboo fork tableware |
| CN111873117A (en) * | 2020-07-31 | 2020-11-03 | 湖南省林业科学院 | Processing method of bamboo spoon tableware |
| CN113858354A (en) * | 2021-09-29 | 2021-12-31 | 陈和光 | Bamboo tableware article processing technology |
| CN114407160A (en) * | 2021-11-29 | 2022-04-29 | 浙江省林业科学研究院 | Preparation method of bamboo chip homogenized bamboo tableware |
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