CN104802230A - Prestress reinforced recombined bamboo production mold - Google Patents
Prestress reinforced recombined bamboo production mold Download PDFInfo
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- CN104802230A CN104802230A CN201510229089.3A CN201510229089A CN104802230A CN 104802230 A CN104802230 A CN 104802230A CN 201510229089 A CN201510229089 A CN 201510229089A CN 104802230 A CN104802230 A CN 104802230A
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- recombined bamboo
- die body
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- shaped die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
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- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention relates to a prestress reinforced recombined bamboo production mold. The prestrress reinforced recombined bamboo production mold comprises a U-shaped mold body (1), a seal top plate (2), a bolt pin (3), a supporting rib (4), a soleplate (5), U-shaped tensile supporting seats (6), a rolling shaft (7) and an anchor bearing plate (8), and is characterized in that the cross section of the U-shaped mold body (1) is in a U shape, the bottom surface of the U-shaped mold body is arranged on the soleplate (5), the U-shaped mold body can be detached from the soleplate (5), a pair of U-shaped tensile supporting seats (6) are symmetrically arranged on two ends of the U-shaped mold body (1) and supported on the end surface of the U-shaped mold body (1) and the supporting rib (4), the prestress rib (13) is longitudinally arranged inside a recombined bamboo (14), after the recombined bamboo is stretched, the recombined bamboo is anchored to the anchor bearing plate (8) by virtue of an anchor (9), in the recombined bamboo pressing process, the prestress rib and the anchor move up and down along the contact surface of the anchor lining plate and the rolling shaft. By adopting the prestress reinforced recombined bamboo production mold, the production of a prestress reinforced recombined bamboo component can be realized, and the technical problems of the ordinary recombined bamboo curved component that the rigidness is small, the flexibility is large, the stretched bamboo fibers are broken untimely can be solved.
Description
Technical field
The present invention relates to production mould, especially a kind of prestressing force strengthens Recombined bamboo production mould, belongs to material members processing technique field.
Background technology
" low-carbon (LC) life " and " low-carbon economy " become the common recognition of the whole society already, and searching and use low-carbon (LC) cleaning material are the inexorable trends of field of civil engineering.In the process of exploratory development new structure material, bamboo wood relies on excellent mechanical property, and be considered to one of the highest material of occurring in nature usefulness, its tensile strength and compression strength are all considerably beyond common wood, and the ratio of strength to weight of bamboo wood is also higher than common iron.But up to now, the practical application of bamboo wood mainly also rests within the scope of interior decoration and building template, experimental study find, bamboo wood as the flexural member of engineering structure, its destroy time, mid-span deflection is excessive, insufficient rigidity, makes bamboo wood cannot give full play to the higher resistance to tension of bamboo fibre.Therefore, how to improve the rigidity of bamboo wood component, reduce the technological difficulties that amount of deflection is bamboo wood component application.
The Enhancement Method of existing bamboo wood component, normally adds longitudinal reinforcement, FRP muscle, fiber cloth etc. in bamboo wood component.Such as Chinese patent CN202895369U, discloses a kind of reinforcing type bamboo laminated timber, arranges fibre reinforced composites at bamboo cord wood matrix surface, improves the interlaminar shear strength of component, thus improves bulk strength; For another example, Chinese patent CN202247672U, discloses a kind of enhancing compound type bamboo structural member, adds longitudinal fiber composite material bar or fibre reinforced plastics cloth at bamboo component inside or bottom, add the bearing capacity and stiffness that vertical shearing resistance muscle improves bamboo beam in shear zone, bamboo component two ends, prevent bamboo beam failure by shear.The wood members similar with bamboo wood component, same research and development have more Enhancement Method, such as, Chinese patent CN102561588A discloses a kind of fiber reinforced material reinforcement wood beam and preparation method thereof, at wooden frame bottom surface resin bonding glass fabric, thus improve the composite bending modulus of wooden frame, the durability of raising wooden frame.
But, the production method of above-mentioned or surperficial reinforcement material or fibrous composite inner at bamboo-wood structure, limited to the bearing power increase of bamboo timber compoment, for during by stiffness reliability designs such as curved bamboo timber compoments, technical problems such as strengthening poor effect, its mid-span deflection is large, component span is limited, member bottom section bamboo wood or timber are easily broken prematurely still exists.
Summary of the invention
Object foot of the present invention provides a kind of prestressing force to strengthen Recombined bamboo production mould, in Recombined bamboo production process, the stretch-draw realizing presstressed reinforcing steel is arranged, and solves the technical problems such as rigidity existing for common Recombined bamboo flexural member is little, amount of deflection large, tension bamboo fiber premature failure.It is simple and effective that the present invention possesses structure, and flexible design is easy to process, the advantages such as anchorage reliability is good.
Technical scheme of the present invention is: a kind of prestressing force strengthens Recombined bamboo production mould, comprise U-shaped die body, bind plate, pin, ribs, base plate, U-shaped tensioning support, roller bearing, anchor plate, it is characterized in that, the cross section of U-shaped die body is U-shaped, its bottom surface is placed on base plate, and it is detachable between base plate, the two ends of U-shaped die body are respectively provided with a pair ribs, completely Recombined bamboo is filled out in U-shaped die body, to bind the suitable for reading of plate shutoff shape die body, the side opening of U-shaped die body is provided with the above pin jack of a row, one row's pin fixedly to bind plate through pin jack, pair of U-shaped tensioning support is symmetrically set in the two ends of U-shaped die body, and be supported in end face and the ribs of U-shaped die body, U-shaped tensioning support lateral surface has two conduits, in every bar conduit, two or more roller bearing is set, article two, have vertical hole between conduit, anchor plate close contact is in the lateral surface of roller bearing, and can move up and down along the contact surface with roller bearing, presstressed reinforcing steel is arranged at Recombined bamboo inside along the longitudinal, the center hole of vertical hole and anchor plate is passed at two ends, anchor plate is anchored in by ground tackle after stretch-draw.
In structure of the present invention, U-shaped die body, the plate that binds provide the template that Recombined bamboo compacting is produced, the pair of U-shaped tensioning support being symmetrically set in U-shaped die body two ends provides the counterforce device of tension of prestressed tendon, and ensure that presstressed reinforcing steel is in Recombined bamboo pressing process, top-downly along with the pressing process of bamboo wood to move freely, and then make Recombined bamboo inside establish useful prestress.
Described a kind of prestressing force strengthens Recombined bamboo production mould, it is characterized in that roller bearing is cylinder, two ends are embedded in the circular hole of channel sidewalls, be not in contact with each other between adjacent roller bearing in conduit, roller bearing can around fixed axis Free-rolling, and anchor plate close contact is in the lateral surface of roller bearing, ground tackle is fixed on the outside of anchor plate, in Recombined bamboo pressing process, presstressed reinforcing steel, ground tackle move up and down along with the contact surface of anchor plate along anchor plate and roller bearing, make presstressed reinforcing steel maintenance level in pressing process.
Described a kind of prestressing force strengthens Recombined bamboo production mould, it is characterized in that width and the length of base plate are equal with U-shaped die body, in tension of prestressed tendon and Recombined bamboo pressing process, base plate and U-shaped die body bear counter-force during tension of prestressed tendon jointly, after Recombined bamboo has been suppressed, the stretching force of presstressed reinforcing steel has been converted to U-shaped die body and Recombined bamboo shared, now, split base plate, base plate can be recycled.
Described a kind of prestressing force strengthens Recombined bamboo production mould, it is characterized in that pin jack is equidistantly arranged along the length direction of U-shaped die body, two arrange above pin jack along short transverse interlaced arrangement, the different designs height of the corresponding Recombined bamboo component of each row's pin jack, strengthen after Recombined bamboo component suppress at prestressing force, pin is transversely arranged pin jack through one of design height and fixedly to be bound plate.
Described a kind of prestressing force strengthens Recombined bamboo production mould, it is characterized in that ribs is welded in inside the two side at U-shaped die body two ends, the end face common support U-shaped tensioning support of itself and U-shaped die body, the end opening of the pin jack that end face and the most end one of ribs arrange flushes.
Described a kind of prestressing force strengthens Recombined bamboo production mould, and it is characterized in that being provided with hole in the middle part of anchor plate, the size of hole is greater than the diameter of presstressed reinforcing steel, so that presstressed reinforcing steel passes through.
Described a kind of prestressing force strengthens Recombined bamboo production mould, it is characterized in that presstressed reinforcing steel is fiber bar, fiber rope, fabric, or the one in metal ribs, mfg. metal cord, wire, ground tackle is made up of anchor ring and anchor body, and anchor ring is corresponding with the form of anchor body and the form of presstressed reinforcing steel.
Advantage of the present invention is remarkable, has following beneficial effect:
(1) present invention achieves the production that prestressing force strengthens Recombined bamboo component, solve the technical problems such as rigidity existing for common Recombined bamboo flexural member is little, amount of deflection large, tension bamboo fiber premature failure.
(2) presstressed reinforcing steel can move up and down in Recombined bamboo pressing process, presstressed reinforcing steel can not be extended in pressing process, shorten change, ensure that the constant of its stretch-draw prestressing force.
(3) arrange pin jack along short transverse interlaced arrangement more, the needs of Restruction bamboo component different cross section height can be met.
(4) detachable base plate is while bearing pre-stress rib stretching force, can realize the conversion of stretching force, reduces the weight and cost of producing ground tackle.
(5) strong adaptability of mould, can be adapted to different presstressed reinforcing steel, the prestressing force of ground tackle form strengthens the production of Recombined bamboo.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.
Fig. 1 is the overall structure schematic diagram that a kind of prestressing force strengthens Recombined bamboo production mould;
Fig. 2 is the elevation that a kind of prestressing force strengthens Recombined bamboo production mould;
Fig. 3 is the plane that a kind of prestressing force strengthens Recombined bamboo production mould;
Fig. 4 is that a kind of prestressing force strengthens Recombined bamboo production mould I-I profile along the longitudinal;
Fig. 5 is that a kind of prestressing force strengthens Recombined bamboo production mould II-II profile along the longitudinal;
Fig. 6 is the overall structure schematic diagram of U-shaped tensioning support;
In the accompanying drawings, 1 to be U-shaped die body, 2 be that the plate, 3 that binds are pins, 4 are ribs, 5 are base plates, 6 are U-shaped tensioning supports, 7 are roller bearings, 8 are anchor plates, 9 are ground tackles, 10 are pin jacks, 11 are conduits, 12 are vertical holes, 13 are presstressed reinforcing steels, 14 are Recombined bamboos, 91 are anchor rings, 92 is anchor bodies.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in figures 1 to 6, a kind of prestressing force strengthens Recombined bamboo production mould, comprise U-shaped die body 1, bind plate 2, pin 3, ribs 4, base plate 5, U-shaped tensioning support 6, roller bearing 7, anchor plate 8, the cross section of U-shaped die body 1 is U-shaped, its bottom surface is placed on base plate 5, detachable with asking of base plate 5, the two ends of U-shaped die body 1 are respectively provided with a pair ribs 4, Recombined bamboo 14 is completely filled out in U-shaped die body 1, to bind the suitable for reading of plate 2 shutoff U-shaped die body 1, the side opening of U-shaped die body 1 is provided with the above pin jack 10 of a row, one row's pin 3 fixedly to bind plate 2 through pin jack 10, pair of U-shaped tensioning support 6 is symmetrically set in the two ends of U-shaped die body 1, and be supported in end face and the ribs 4 of U-shaped die body 1, U-shaped tensioning support 6 lateral surface has two conduits 11, in every bar conduit 11, two or more roller bearing 7 is set, article two, have vertical hole 12 between conduit 11, anchor plate 8 close contact is in the lateral surface of roller bearing 7, and can move up and down along the contact surface with roller bearing 7, it is inner that presstressed reinforcing steel 13 is arranged at Recombined bamboo 14 along the longitudinal, the center hole of vertical hole 12 and anchor plate 8 is passed at two ends, anchor plate 8 is anchored in by ground tackle 9 after stretch-draw.
In concrete enforcement, the width of base plate 5 and length equal with U-shaped die body 1, U-shaped die body 1 is placed on base plate 5, appropriate loose impregnation bamboo fibre assemblies is added in U-shaped die body, according to designing requirement, presstressed reinforcing steel 13 is embedded in the corresponding position of bamboo fibre assemblies, U-shaped tensioning support 6 is symmetrical arranged at the two ends of U-shaped die body 1, adopt tensioning equipment tensioned prestressing bar 13 and be anchored in the lateral surface of anchor plate 8 by ground tackle 9, subsequently, add the plate 2 that binds, apply vertical pressure compacting bamboo fibre assemblies to design height place, pin 3 is worn with the plate 2 that fixedly binds along wherein row's pin jack 10 is horizontal, split base plate 5, production test specimen is moved to fog room together with U-shaped die body 1 and U-shaped tensioning support etc., be heating and curing, form a kind of prestressing force and strengthen Recombined bamboo component.
In an embodiment, described roller bearing 7 is cylinder, two ends are embedded in the circular hole of conduit 11 sidewall, be not in contact with each other between adjacent roller bearing 7 in conduit 11, roller bearing 7 can around fixed axis Free-rolling, and anchor plate 8 close contact is in the lateral surface of roller bearing 7, ground tackle 9 is fixed on the outside of anchor plate 8, in Recombined bamboo 14 pressing process, presstressed reinforcing steel 13, ground tackle 9 move up and down along with the contact surface of anchor plate 8 along anchor plate 8 and roller bearing 7, make presstressed reinforcing steel 13 maintenance level in pressing process.
Wherein, pin jack 10 is equidistantly arranged along the length direction of U-shaped die body 1, more than arranging, strengthens the different depth of section of Recombined bamboo component to meet prestressing force along the suitable interlaced arrangement two of short transverse.
Be welded with ribs 4 inside the two side at U-shaped die body 1 two ends, the end face common support U-shaped tensioning support 6 of itself and U-shaped die body 1, the end opening of the pin jack 10 that end face and the most end one of ribs 4 arrange flushes.
Be provided with hole in the middle part of anchor plate 8, the size of hole is greater than the diameter of presstressed reinforcing steel 13, so that presstressed reinforcing steel passes through, actually should not be less than 30mm.
Presstressed reinforcing steel 13 is fiber bar, fiber rope, fabric, or the one in metal ribs, mfg. metal cord, wire, ground tackle 9 is made up of anchor ring 91 and anchor body 92, anchor ring 91 is corresponding with the form of presstressed reinforcing steel 13 with the form of anchor body 92, if presstressed reinforcing steel 13 is fiber bar, anchor ring 91 and anchor body 92 can be respectively nut and injecting glue binding ground tackle.
Claims (7)
1. a prestressing force strengthens Recombined bamboo production mould, comprise U-shaped die body (1), bind plate (2), pin (3), ribs (4), base plate (5), U-shaped tensioning support (6), roller bearing (7), anchor plate (8), it is characterized in that, the cross section of U-shaped die body (1) is U-shaped, its bottom surface is placed on base plate (5), and it is detachable between base plate (5), the two ends of U-shaped die body (1) are respectively provided with a pair ribs (4), Recombined bamboo (14) is completely filled out in U-shaped die body (1), to bind the suitable for reading of plate (2) shutoff U-shaped die body (1), the side opening of U-shaped die body (1) is provided with the above pin jack (10) of a row, one row's pin (3) fixedly to be bound plate (2) through pin jack (10), pair of U-shaped tensioning support (6) is symmetrically set in the two ends of U-shaped die body (1), and be supported in end face and the ribs (4) of U-shaped die body (1), U-shaped tensioning support (6) lateral surface has two conduits (11), in every bar conduit (11), two or more roller bearing (7) is set, article two, have vertical hole (12) between conduit (11), anchor plate (8) close contact is in the lateral surface of roller bearing (7), and can move up and down along the contact surface with roller bearing (7), it is inner that presstressed reinforcing steel (13) is arranged at Recombined bamboo (14) along the longitudinal, the center hole of vertical hole (12) and anchor plate (8) is passed at two ends, anchor plate (8) is anchored in by ground tackle (9) after stretch-draw.
2. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, it is characterized in that roller bearing (7) is cylinder, two ends are embedded in the circular hole of conduit (11) sidewall, be not in contact with each other between adjacent roller bearing (7) in conduit (11), roller bearing (7) can around fixed axis Free-rolling.
3. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, it is characterized in that width and the length of base plate (5) are equal with U-shaped die body (1), itself and U-shaped die body (1) bear counter-force during tension of prestressed tendon jointly.
4. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, it is characterized in that pin jack (10) is equidistantly arranged along the length direction of U-shaped die body (1), two arrange above pin jack (10) along short transverse interlaced arrangement, strengthen after Recombined bamboo component suppress at prestressing force, pin (3) is transversely arranged pin jack (10) through one of design height and fixedly to be bound plate (2).
5. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, it is characterized in that ribs (4) is welded in inside the two side at U-shaped die body (1) two ends, end face common support U-shaped tensioning support (6) of itself and U-shaped die body (1), the end opening of the pin jack (10) that end face and the most end one of ribs (4) arrange flushes.
6. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, and it is characterized in that anchor plate (8) middle part is provided with hole, the size of hole is greater than the diameter of presstressed reinforcing steel (13).
7. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould, it is characterized in that presstressed reinforcing steel (13) is fiber bar, fiber rope, fabric, or the one in metal ribs, mfg. metal cord, wire, ground tackle (9) is made up of anchor ring (91) and anchor body (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229089.3A CN104802230B (en) | 2015-05-05 | 2015-05-05 | Prestress reinforced recombined bamboo production mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229089.3A CN104802230B (en) | 2015-05-05 | 2015-05-05 | Prestress reinforced recombined bamboo production mold |
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| CN104802230A true CN104802230A (en) | 2015-07-29 |
| CN104802230B CN104802230B (en) | 2017-01-18 |
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| CN201510229089.3A Active CN104802230B (en) | 2015-05-05 | 2015-05-05 | Prestress reinforced recombined bamboo production mold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835206A (en) * | 2016-03-28 | 2016-08-10 | 浙江农林大学 | Production method and forming device for cylindrical reconstituted bamboo lumber |
| CN106113203A (en) * | 2016-07-27 | 2016-11-16 | 国家林业局北京林业机械研究所 | Anchor system for bamboo original-state multidirectional recombinant material |
| CN108608551A (en) * | 2018-04-07 | 2018-10-02 | 南京林业大学 | A kind of Recombined bamboo non-uniform member manufacture mold |
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| CN203293332U (en) * | 2013-06-08 | 2013-11-20 | 四川麦笠机械设备有限公司 | Die for processing cold pressing recombination bamboo |
| CN204604477U (en) * | 2015-05-05 | 2015-09-02 | 南京林业大学 | A kind of Recombined bamboo component Shi Hanzhang produces equipment |
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| DE3641270A1 (en) * | 1986-12-03 | 1988-06-16 | Helmut Klingler | Method and apparatus for the production of wood laminate shapes with small-radius curves (small-radius arcs) and curved shapes (arc shapes) by producing flexibility, bending and bonding of wood lamellae |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835206A (en) * | 2016-03-28 | 2016-08-10 | 浙江农林大学 | Production method and forming device for cylindrical reconstituted bamboo lumber |
| CN105835206B (en) * | 2016-03-28 | 2018-05-22 | 浙江农林大学 | Cylinder recombining bamboo production method and its molding machine |
| CN106113203A (en) * | 2016-07-27 | 2016-11-16 | 国家林业局北京林业机械研究所 | Anchor system for bamboo original-state multidirectional recombinant material |
| CN106113203B (en) * | 2016-07-27 | 2018-08-24 | 国家林业局北京林业机械研究所 | Anchor system for bamboo original-state multidirectional recombinant material |
| CN108608551A (en) * | 2018-04-07 | 2018-10-02 | 南京林业大学 | A kind of Recombined bamboo non-uniform member manufacture mold |
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| Publication number | Publication date |
|---|---|
| CN104802230B (en) | 2017-01-18 |
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Application publication date: 20150729 Assignee: Zhenjiang Heng An Civil Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000205 Denomination of invention: Prestress reinforced recombined bamboo production mold Granted publication date: 20170118 License type: Common License Record date: 20181017 |
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Application publication date: 20150729 Assignee: Hefei Shuang Dao run Highway Engineering Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000291 Denomination of invention: Prestress reinforced recombined bamboo production mold Granted publication date: 20170118 License type: Common License Record date: 20181102 |
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Application publication date: 20150729 Assignee: Limited by Share Ltd Beijing nine road detection technology Assignor: Nanjing Forestry University Contract record no.: X2019320000056 Denomination of invention: Prestress reinforced recombined bamboo production mold Granted publication date: 20170118 License type: Common License Record date: 20190912 |