CN104476649B - Bamboo wood inside and outside force shaping methods - Google Patents
Bamboo wood inside and outside force shaping methods Download PDFInfo
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- CN104476649B CN104476649B CN201410750870.0A CN201410750870A CN104476649B CN 104476649 B CN104476649 B CN 104476649B CN 201410750870 A CN201410750870 A CN 201410750870A CN 104476649 B CN104476649 B CN 104476649B
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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
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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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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
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- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
A kind of bamboo wood inside and outside force shaping methods, comprises the following steps: the contents such as selection, pretreatment, material loading, shaping, rotary-cut and post processing.The invention has the advantages that: can not produce during bamboo wood shaping beat, resilience, the phenomenon such as unbalance stress, improve the efficiency of bamboo wood shaping; Inside and outside force is worked in coordination, and shaping efficiency is high, and shaping effect is good, and the circle effectively improving bamboo wood is directly spent, and effectively improves the utilization rate of available bamboo wood.
Description
Technical field
The present invention relates to a kind of bamboo wood inside and outside force shaping methods.
Background technology
Bamboo wood is columniformly have joint hollow housing, and bamboo wall is thinner, only has 5mm, and thick one is about 20mm, average thickness about 10mm, and bamboo stalk is not standard round column type, and has certain taper.Require that bamboo wood must possess certain circle and directly spend for improving Bamboo veneer rotary-cut volume recovery, natural bamboo can meet the bamboo wood ratio of the straight degree of rotary-cut requirement circle less than 5%, and cause Bamboo veneer expensive, output is lower, by the straightening full circle to bamboo section, the utilization rate of natural bamboo effectively can be improved.Only there is Chinese invention patent (application number: the method for technology by bamboo trimming and straightening 200510078449.0) disclosing a kind of high-temperature pressurizing at present, the method take rotary trunk-layer stripping machine without clamper as parent, apply pressure with three rollers from outside and carry out shaping, test finds, the unbalance stress generation that the method existence brings because of the natural tapering of bamboo wood is beated, resilience after bamboo wood cooling, applies that external force is unbalanced causes too much bamboo wood problems of crack, therefore can not meet shaping requirement.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of bamboo wood inside and outside force shaping methods.
The present invention is achieved in that a kind of bamboo wood inside and outside force shaping methods, comprises the following steps:
(1) selection: mao bamboon is blocked the bamboo section into preset length, with beat internal segment that joint machine removes bamboo section every;
(2) pretreatment: bamboo section is placed in airtight high-pressure bottle, adds softening agent, heat 1h by high-temperature steam, temperature is 90 DEG C ~ 100 DEG C, pressure 0.2MPa; And then described bamboo section is washed, wash away silt and dirt, more clean bamboo section is put into the temperature bath constant temperature that water temperature is 60 DEG C;
(3) material loading: bamboo section is nested on the force apparatus for shaping of bamboo wood inside, and be fastenedly connected with the inner apparatus for shaping that exerts a force of bamboo wood;
(4) shaping: carry out high-temperature steam to described bamboo section and be heated to 90 DEG C ~ 100 DEG C, applies shaping power with bamboo wood inside force apparatus for shaping to the inside of bamboo section, applies continuous lines pressure with bamboo wood shaping rotary-cut all-in-one to the outside of this bamboo section simultaneously;
(5) rotary-cut: carry out Veneer Cutting with bamboo wood shaping rotary-cut all-in-one to described bamboo section, rotary-cut goes out bamboo thin slice, then length is formulated to bamboo thin slice;
(6) post processing: bamboo slicer board is clipped in the middle of upper and lower guipure and dries, then to bamboo thin slice gluing, hot pressing and shaping, gets product; Wherein, spread is 70 ~ 110g/m
2; The parameter of hot pressing is as follows: pressure 5MPa, and temperature is 60 DEG C, and the time is 40s;
Described bamboo wood inside force apparatus for shaping comprises a press cylinder, a hydraulic power unit, a connector and a reshaper; Described press cylinder comprises a first piston bar, one first rod chamber and one first rodless cavity; Described hydraulic power unit is communicated with the first rodless cavity respectively with the first rod chamber; Described first piston bar is connected with one end of connector; Described reshaper comprises a urceolus, and is all positioned at force hydraulic cylinder, an a plurality of shaping hydraulic cylinder of described urceolus; Described force hydraulic cylinder has the second piston rod, the second rod chamber and the second rodless cavity, and described second piston rod is connected with the other end of connector; Every described shaping hydraulic cylinder includes a shaping piston rod, the 3rd rod chamber and the 3rd rodless cavity; When in running order, described shaping piston rod stretches out described urceolus; Described 3rd rod chamber is communicated with the second rod chamber, and the 3rd rodless cavity is communicated with the second rodless cavity.
Further, described a plurality of shaping hydraulic cylinder is formed along described urceolus length direction interval and staggered a plurality of shaping unit, and every described shaping unit includes the shaping hydraulic cylinder of four arrangements in " ten " font.
Further, described a plurality of shaping hydraulic cylinder forms the four row's shaping hydraulic cylinder arrays along the circumferential direction evenly laid, and often adjacent two row's shaping hydraulic cylinder array setting interlaced with each other.
Further, also comprise a fixed support and a slidable adjustment mechanism, described fixed support is fixedly connected with one end of reshaper, press cylinder respectively; Described slidable adjustment mechanism comprises a holder, a motor, a screw mandrel and a tip cone mechanism; Described holder has V-type slide rail, and described motor drives connection wire rod, described screw mandrel is arranged with a nut; Described nut is fixedly connected with tip cone mechanism, and this tip cone mechanism can be arranged along described V-type slide rail slip.
Further, the top of described shaping piston rod is a Horizontal cylinder face.
The invention has the advantages that: can not produce during bamboo wood shaping beat, resilience, the phenomenon such as unbalance stress, improve the efficiency of bamboo wood shaping; Inside and outside force is worked in coordination, and shaping efficiency is high, and shaping effect is good, and the circle effectively improving bamboo wood is directly spent, and effectively improves the utilization rate of available bamboo wood.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the front view of bamboo wood inside force apparatus for shaping in the present invention.
Fig. 2 is the top view (partial sectional view) of bamboo wood inside force apparatus for shaping in the present invention.
Fig. 3 is the schematic diagram of a preferred embodiment of reshaper in the present invention.
Fig. 4 is the schematic diagram of another preferred embodiment of reshaper in the present invention.
Fig. 5 is the force method schematic diagram of bamboo wood of the present invention inside and outside force shaping methods.
Fig. 6 is that in the present invention, inner shaping power is the distribution map of staggered stacked system.
Fig. 7 is the distribution map of inner shaping power helically formula in the present invention.
Detailed description of the invention
Refer to Fig. 1, a kind of bamboo wood inside and outside force shaping methods, comprises the following steps:
(1) selection: mao bamboon is blocked the bamboo section 8 for preset length (being generally 100 ~ 600mm), with beat internal segment that joint machine removes bamboo section 8 every, prevent bamboo section 8 from high temperature rupturing, and can thermally equivalent sterilizing time softening.
(2) pretreatment: bamboo section 8 is placed in airtight high-pressure bottle, adds softening agent, heat 1h by high-temperature steam, temperature is 90 DEG C ~ 100 DEG C, pressure 0.2MPa; Then described bamboo section 8 is washed, wash away silt and dirt; Again clean bamboo section 8 is put into the temperature bath constant temperature that water temperature is 60 DEG C, when preventing rotary-cut, silt is hindered cutter and pollutes hereinafter described bamboo thin slice.
(3) material loading: bamboo section 8 is nested on the force apparatus for shaping 100 of bamboo wood inside, and be fastenedly connected with the inner apparatus for shaping 100 that exerts a force of bamboo wood;
(4) shaping: high-temperature steam is carried out to described bamboo section 8 and is heated to 90 DEG C ~ 100 DEG C, apply shaping power with the inside of bamboo wood inside force apparatus for shaping 100 pairs of bamboo sections 8, with bamboo wood shaping rotary-cut all-in-one, continuous lines pressure is applied to the outside of this bamboo section 8 simultaneously.
The outside institute externally applied forces of bamboo wood shaping rotary-cut all-in-one to bamboo section 8 is linear contact lay power, applies (see Fig. 5) continuously in rotary manner.To the inside point of application of bamboo section 8, the mode (see Fig. 6) of spiral (see Fig. 7) or staggered superposition is adopted to apply shaping power.Bamboo section 8 is out of shape under inside and outside portion power acts on simultaneously, because internal forces have employed the arrangement mode of rule, and uniform pressure is applied to each point, ensure inner stressed uniformity, there is not resilience in the shape after making the bamboo section 8 after being out of shape can keep shaping, effectively ensures that the circle of bamboo wood is directly spent.
(5) rotary-cut: carry out Veneer Cutting with bamboo wood shaping rotary-cut all-in-one to described bamboo section 8, rotary-cut goes out bamboo thin slice, then length is formulated to bamboo thin slice; Wherein, the thickness error≤0.03mm of the bamboo thin slice any point that rotary-cut goes out, and smooth, in flakes.
(6) post processing: bamboo slicer board is clipped in the middle of upper and lower guipure and dries, then to bamboo thin slice gluing, hot pressing and shaping, gets product; Wherein, spread is 70 ~ 110g/m
2, accomplish that gluing is even, bamboo slicer board not roll banding.；
The parameter of hot pressing is as follows: pressure 5MPa, and temperature is 60 DEG C, and the time is 40s.
Refer to shown in Fig. 1-3, bamboo wood inside force apparatus for shaping 100, comprises press cylinder 1, hydraulic power unit 2, a connector 3, reshaper 4, fixed support 5 and a slidable adjustment mechanism 6; Described press cylinder 1 comprises first piston bar 11,1 first rod chamber 12 and one first rodless cavity 13; Described hydraulic power unit 2 is communicated with the first rodless cavity 13 respectively with the first rod chamber 12; Described first piston bar 11 is connected with one end of connector 3; Described reshaper 4 comprises a urceolus 41, and is all positioned at force hydraulic cylinder 42, an a plurality of shaping hydraulic cylinder 43 of described urceolus 41; Described force hydraulic cylinder 42 has the second piston rod 421, second rod chamber 422 and the second rodless cavity 423, and described second piston rod 421 is connected with the other end of connector 3; Described second rod chamber 422 is communicated with hydraulic power unit 2 respectively with the second rodless cavity 423, and available two ends open and close type snap joint 7 is communicated with hydraulic power unit 2, with the hydraulic oil revealed in supplementary urceolus 41.Hydraulic power unit 2 provides pressure oil, for reshaper 4 provides repairing fluid for press cylinder 1.Described reshaper 4 adopts closed circuit, and oil inlet and oil return all completes in described reshaper 4 inside, and compact conformation, air and impurity are not easily mixed into loop.
Referring again to Fig. 2-3, every described shaping hydraulic cylinder 43 includes a shaping piston rod 431, the 3rd rod chamber 432 and the 3rd rodless cavity 433; When in running order, described shaping piston rod 431 stretches out described urceolus 41, and the top of described shaping piston rod 431 is a disk, namely with the Horizontal cylinder face of shaping piston rod 431 central axis, add the contact area of shaping piston rod 431 end and bamboo section 8 inwall.Described 3rd rod chamber 432 is communicated with the second rod chamber 422, and the 3rd rodless cavity 433 is communicated with the second rodless cavity 423.
Referring again to Fig. 3, in a preferred embodiment, described a plurality of shaping hydraulic cylinder 43a is formed along described urceolus 41 length direction interval and staggered a plurality of shaping unit 430a, every described shaping unit 430a include four shaping hydraulic cylinder 43a arranged in " ten " font; Design like this, makes the shaping piston rod 431 of each shaping hydraulic cylinder 43a to the inside shaping power of bamboo section 8 (see Fig. 1) described applying to be processed in staggered stacked system (see Fig. 6).
Referring again to Fig. 4, in another preferred embodiment, described a plurality of shaping hydraulic cylinder 43b forms the four row's shaping hydraulic cylinder array 430b along the circumferential direction evenly laid, and often adjacent two row shaping hydraulic cylinder array 430b setting interlaced with each other; Design like this, makes the shaping piston rod 431 of each shaping hydraulic cylinder 43b to the inside shaping power of bamboo section 8 (see Fig. 1) described applying to be processed helically formula (see Fig. 7).
Referring again to Fig. 1-2, described fixed support 5 is fixedly connected with one end of reshaper 4, press cylinder 1 respectively; Described slidable adjustment mechanism 6 comprises holder 61, motor 62, screw mandrel 63 and a tip cone mechanism 64; Described holder 61 has V-type slide rail 611, and described motor 62 drives connection wire rod 63, described screw mandrel 63 is arranged with a nut (not shown); Described nut is fixedly connected with tip cone mechanism 64, and this tip cone mechanism 64 can be arranged along described V-type slide rail 611 slip.Described slidable adjustment mechanism 6 plays a part fixed swage 4, is convenient for changing simultaneously, keeps in repair reshaper 4.
Referring again to Fig. 1 and Fig. 3-4, when applying the present invention and working, open hydraulic power unit 2, the first rod chamber 12 (the first rod chamber 12 is positioned at the right-hand member of press cylinder 1) to the press cylinder 1 be fixed on fixed support 5 provides hydraulic oil, the first piston bar 11 of press cylinder 1 is mobile to the first rodless cavity 13 direction (namely left), drive the second piston rod 421 of force hydraulic cylinder 42 mobile to described second rod chamber 422 direction (namely left) by connector 3, hydraulic oil is flowed to the 3rd rod chamber 432 of shaping hydraulic cylinder 43 along a plurality of Outer Tubes 9 of reshaper 4 by the second rod chamber 422, (interior conduit 10 along reshaper 4) is refluxed in the second rodless cavity 423 of force hydraulic cylinder 42 again by the 3rd rodless cavity 433 of shaping hydraulic cylinder 43, thus all shaping piston rods 431 bounce back to home position.Then, open motor 62, motor 62 drives screw mandrel 63 to rotate, and described nut pulls tip cone mechanism 64 to move to the right along the V-type slide rail 611 on holder 61, will treat that the bamboo section 8 (getting through ring) of shaping is nested on the urceolus 41 of reshaper 4 after mobile certain distance; Motor 62 reverses and drives screw mandrel 63 to rotate, and described nut pulls tip cone mechanism 64 to move to the left along the V-type slide rail 611 on holder 61, until tip cone mechanism 64 heads on the right part of urceolus 41.Finally, to the first rodless cavity 13 fuel feeding of press cylinder 1, drive the second piston rod 421 of force hydraulic cylinder 42 mobile to the second rodless cavity 423 direction (namely to the right) by connector 3, hydraulic oil flows to the 3rd rodless cavity 433 of shaping hydraulic cylinder 43 by the second rodless cavity 423 (interior conduit 10 along reshaper 4), the second rod chamber 422 of force hydraulic cylinder 42 is flowed back to again by the 3rd rod chamber 432 (along described Outer Tube 9) of shaping hydraulic cylinder 43, thus all shaping piston rods 431 extend out to the inner surface treating shaping bamboo section 8, and apply pressure and carry out shaping, above-mentioned action is repeated after shaping terminates, take out orthopedic bamboo section 8.
Present invention employs inside and execute stressed method, will treat, on the force apparatus for shaping 100 of shaping bamboo section 8 fastening bamboo wood inside, effectively to prevent bamboo section 8 in reforming process from beating; By the method for certain regularly arranged even force, bamboo wood not resilience after shaping effectively can be kept; Shaping piston rod 431 top of shaping hydraulic cylinder 43 adopts (Horizontal cylinder face), adds active force, improves shaping quality; Inside and outside force is worked in coordination, and shaping efficiency is high, and shaping effect is good, effectively improves the utilization rate of available bamboo wood.
Claims (5)
1. a bamboo wood inside and outside force shaping methods, is characterized in that: comprise the following steps:
(1) selection: mao bamboon is blocked the bamboo section into preset length, with beat internal segment that joint machine removes bamboo section every;
(2) pretreatment: bamboo section is placed in airtight high-pressure bottle, adds softening agent, heat 1h by high-temperature steam, temperature is 90 DEG C ~ 100 DEG C, pressure 0.2MPa; And then described bamboo section is washed, wash away silt and dirt, more clean bamboo section is put into the temperature bath constant temperature that water temperature is 60 DEG C;
(3) material loading: bamboo section is nested on the force apparatus for shaping of bamboo wood inside, and be fastenedly connected with the inner apparatus for shaping that exerts a force of bamboo wood;
(4) shaping: carry out high-temperature steam to described bamboo section and be heated to 90 DEG C ~ 100 DEG C, applies shaping power with bamboo wood inside force apparatus for shaping to the inside of bamboo section, applies continuous lines pressure with bamboo wood shaping rotary-cut all-in-one to the outside of this bamboo section simultaneously;
(5) rotary-cut: carry out Veneer Cutting with bamboo wood shaping rotary-cut all-in-one to described bamboo section, rotary-cut goes out bamboo thin slice, then length is formulated to bamboo thin slice;
(6) post processing: bamboo slicer board is clipped in the middle of upper and lower guipure and dries, then to bamboo thin slice gluing, hot pressing and shaping, gets product; Wherein, spread is 70 ~ 110g/m
2; The parameter of hot pressing is as follows: pressure 5MPa, and temperature is 60 DEG C, and the time is 40s;
Described bamboo wood inside force apparatus for shaping comprises a press cylinder, a hydraulic power unit, a connector and a reshaper; Described press cylinder comprises a first piston bar, one first rod chamber and one first rodless cavity; Described hydraulic power unit is communicated with the first rodless cavity respectively with the first rod chamber; Described first piston bar is connected with one end of connector; Described reshaper comprises a urceolus, and is all positioned at force hydraulic cylinder, an a plurality of shaping hydraulic cylinder of described urceolus; Described force hydraulic cylinder has the second piston rod, the second rod chamber and the second rodless cavity, and described second piston rod is connected with the other end of connector; Every described shaping hydraulic cylinder includes a shaping piston rod, the 3rd rod chamber and the 3rd rodless cavity; When in running order, described shaping piston rod stretches out described urceolus; Described 3rd rod chamber is communicated with the second rod chamber, and the 3rd rodless cavity is communicated with the second rodless cavity.
2. bamboo wood as claimed in claim 1 inside and outside force shaping methods, it is characterized in that: described a plurality of shaping hydraulic cylinder is formed along described urceolus length direction interval and staggered a plurality of shaping unit, and every described shaping unit includes the shaping hydraulic cylinder of four arrangements in " ten " font.
3. bamboo wood as claimed in claim 1 inside and outside force shaping methods, is characterized in that: described a plurality of shaping hydraulic cylinder forms the four row's shaping hydraulic cylinder arrays along the circumferential direction evenly laid, and often adjacent two row's shaping hydraulic cylinder array setting interlaced with each other.
4. bamboo wood as claimed in claim 1 inside and outside force shaping methods, is characterized in that: also comprise a fixed support and a slidable adjustment mechanism, and described fixed support is fixedly connected with one end of reshaper, press cylinder respectively; Described slidable adjustment mechanism comprises a holder, a motor, a screw mandrel and a tip cone mechanism; Described holder has V-type slide rail, and described motor drives connection wire rod, described screw mandrel is arranged with a nut; Described nut is fixedly connected with tip cone mechanism, and this tip cone mechanism can be arranged along described V-type slide rail slip.
5. bamboo wood as claimed in claim 1 inside and outside force shaping methods, is characterized in that: the top of described shaping piston rod is a Horizontal cylinder face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750870.0A CN104476649B (en) | 2014-12-10 | 2014-12-10 | Bamboo wood inside and outside force shaping methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750870.0A CN104476649B (en) | 2014-12-10 | 2014-12-10 | Bamboo wood inside and outside force shaping methods |
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| CN104476649A CN104476649A (en) | 2015-04-01 |
| CN104476649B true CN104476649B (en) | 2016-04-27 |
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| CN107322743B (en) * | 2017-06-22 | 2020-05-29 | 芜湖久恒包装科技有限公司 | Packing box maintenance method |
| CN109397431B (en) * | 2018-10-24 | 2020-08-11 | 浙江农林大学 | Bamboo shaping device for rotary cutting and bamboo shaping rotary cutting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100371150C (en) * | 2005-06-13 | 2008-02-27 | 浙江林学院 | Bamboo trimming and straightening method |
| CN1986179A (en) * | 2006-12-01 | 2007-06-27 | 李文勋 | Full bamboo pipe |
| JP2009061615A (en) * | 2007-09-05 | 2009-03-26 | Takeda Mokuzai Kogyosho:Kk | Sheet stock using bamboo material |
| JP2009241270A (en) * | 2008-03-28 | 2009-10-22 | Oita Ken | Compressed bamboo material, and method and apparatus of manufacturing the same |
| JP2009242217A (en) * | 2008-03-31 | 2009-10-22 | Toshiya Nakamura | Momiment panel |
| CN102785277B (en) * | 2012-08-29 | 2014-09-24 | 浙江农林大学 | Device and method for rotatably cutting veneer of original bamboo section |
| CN103302714B (en) * | 2013-05-20 | 2014-11-19 | 浙江农林大学 | Bamboo shaping and rotary-cutting all-in-one machine |
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