CN104802230B - Prestress reinforced recombined bamboo production mold - Google Patents

Prestress reinforced recombined bamboo production mold Download PDF

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Publication number
CN104802230B
CN104802230B CN201510229089.3A CN201510229089A CN104802230B CN 104802230 B CN104802230 B CN 104802230B CN 201510229089 A CN201510229089 A CN 201510229089A CN 104802230 B CN104802230 B CN 104802230B
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recombined bamboo
die body
shape
shape die
anchor
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CN104802230A (en
Inventor
魏洋
纪雪微
端茂军
李国芬
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Nanjing Forestry University
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Nanjing Forestry University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27DWORKING VENEER OR PLYWOOD
    • B27D1/00Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • 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, 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

A kind of prestressing force strengthens Recombined bamboo production mould
Technical field
The present invention relates to production mould, especially a kind of prestressing force enhancing Recombined bamboo production mould, belong to material members and add Work technical field.
Background technology
" low-carbon (LC) life " and " low-carbon economy " already becomes the common recognition of the whole society, finds and the use of low-carbon (LC) cleaning material is soil The inexorable trend in wood engineering field.During exploratory development new structure material, bamboo wood relies on excellent mechanical property, quilt It is considered one of efficiency highest material in nature, its tensile strength and compression strength all considerably beyond common wood, bamboo wood The ratio of strength to weight also above common iron.However, up to now, the practical application of bamboo wood mainly also rests on interior decoration and building In the range of template, experimental study finds, as the flexural member of engineering structure, during its destruction, mid-span deflection is excessive, rigidity for bamboo wood Deficiency is so that 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, subtract Small deflection is technological difficulties of bamboo wood component application.
The Enhancement Method of existing bamboo wood component, adds longitudinal reinforcement, frp muscle, fiber cloth etc. typically in bamboo wood component. Such as Chinese patent cn202895369u, discloses a kind of reinforcing type bamboo laminated timber, arranges fiber in bamboo cord wood matrix surface Strengthening composite, improving the interlaminar shear strength of component, thus improving bulk strength;For another example, Chinese patent Cn202247672u, discloses a kind of enhancing compound type bamboo structural member, adds longitudinal fiber composite in bamboo component inside or bottom Muscle or fibre reinforced plastics cloth, add, in bamboo component two ends shear zone, the bearing capacity and stiffness that vertical shearing resistance muscle improves bamboo beam, prevent Bamboo beam failure by shear.The wood members similar with bamboo wood component, same research and development have more Enhancement Method, for example, Chinese patent Cn102561588a discloses a kind of fiber reinforced material reinforcement wood beam and preparation method thereof, in wooden frame bottom surface resin bonding glass Glass fiber cloth, thus improve the composite bending modulus of wooden frame, the durability of raising wooden frame.
However, above-mentioned internal in bamboo-wood structure or surface reinforcement material or fibrous composite production method, to bamboo and wood structure The bearing power increase of part is limited, and during for being designed by stiffness reliability such as curved bamboo and wood components, enhancing effect is not good, its mid-span deflection Greatly, component span is limited, member bottom section bamboo wood or timber are easily prematurely broken etc., and technical problem yet suffers from.
Content of the invention
It is an object of the invention to provide a kind of prestressing force strengthens Recombined bamboo production mould, in Recombined bamboo production process, real The tensioning setting of existing presstressed reinforcing steel, the rigidity existing for the common Recombined bamboo flexural member of solution is little, amount of deflection is big, tension bamboo fiber The technical problems such as premature failure.The present invention possesses simple and effective, the flexible design of construction, and easy to process, it is excellent that anchorage reliability is good etc. Point.
The technical scheme is that a kind of prestressing force strengthens Recombined bamboo production mould, including u shape die body, the plate that binds, pin , it is characterised in that the section of u shape die body is u shape, its bottom surface is put for bolt, ribs, base plate, u shape tensioning support, roller bearing, anchor plate On base plate, detachable and base plate between, u shape die body be respectively arranged at the two ends with a pair of ribs, completely fill out restructuring in u shape die body Bamboo, the plate that binds blocks the suitable for reading of shape die body, and the side of u shape die body offers the pin jack of a more than row, and row's pin passes through The fixing plate that binds of pin jack, a pair of u shape tensioning support is symmetrically set in the two ends of u shape die body, and is supported in the end face of u shape die body And ribs, u shape tensioning support lateral surface has two conduits, setting two or more roller bearing in every conduit, two conduits it Between have vertical hole, anchor plate is in close contact the lateral surface in roller bearing, and can move up and down along the contact surface with roller bearing, Along being longitudinally disposed inside Recombined bamboo, two ends pass through the center hole of vertical hole and anchor plate to presstressed reinforcing steel, logical after tensioning Cross anchorage and be anchored in anchor plate.
In present configuration, u shape die body, the plate that binds provide the template that Recombined bamboo compacting produces, and are symmetrically set in u shape mould A pair of u shape tensioning support at body two ends provides the counterforce device of tension of prestressed tendon, and ensure that presstressed reinforcing steel in Recombined bamboo In pressing process, top-down with the pressing process of bamboo wood move freely, and then make to have established inside Recombined bamboo The prestress of benefit.
A kind of described prestressing force strengthens Recombined bamboo production mould it is characterised in that roller bearing is cylinder, and two ends are embedded in groove In the circular hole of road side wall, it is not in contact with each other between adjacent roller bearing in conduit, roller bearing freely can roll around fixing axle, and anchor plate closely connects Touch the lateral surface in roller bearing, anchorage is fixed on the outside of anchor plate, in Recombined bamboo pressing process, presstressed reinforcing steel, anchorage with Anchor plate moves up and down along the contact surface of anchor plate and roller bearing, makes presstressed reinforcing steel holding level in pressing process.
A kind of described prestressing force strengthens Recombined bamboo production mould it is characterised in that the width of base plate and length and u shape mould In body phase etc., tension of prestressed tendon and Recombined bamboo pressing process, base plate and u shape die body bear anti-during tension of prestressed tendon jointly Power, after the completion of Recombined bamboo compacting, the stretching force of presstressed reinforcing steel is changed to u shape die body and Recombined bamboo shared, now, splits Base plate, base plate can be recycled.
A kind of described prestressing force strengthen Recombined bamboo production mould it is characterised in that pin jack along u shape die body length Direction is equally spaced, and along short transverse interlaced arrangement, each row's pin jack corresponds to Recombined bamboo structure to pin jacks more than two rows The different designs height of part, after the completion of prestressing force strengthens the compacting of Recombined bamboo component, pin extends laterally through the one of design height The fixing plate that binds of row's pin jack.
A kind of described prestressing force strengthens Recombined bamboo production mould it is characterised in that ribs are welded in u shape die body two ends Two side inside, its end face with u shape die body supports u shape tensioning support jointly, the pin of the top surface of ribs and bottom one row The lower mouth of bolt jack flushes.
A kind of described prestressing force strengthens Recombined bamboo production mould it is characterised in that being provided with hole, hole in the middle part of anchor plate Size be more than presstressed reinforcing steel diameter, pass through in order to presstressed reinforcing steel.
A kind of described prestressing force strengthen Recombined bamboo production mould it is characterised in that presstressed reinforcing steel be fiber bar, fiber rope, Fabric, or one of metal ribs, mfg. metal cord, wire, anchorage is made up of anchor ring and anchor body, the shape of anchor ring and anchor body Formula is corresponding with the form of presstressed reinforcing steel.
Advantage of the present invention is notable, has the advantages that
(1) present invention achieves prestressing force strengthens the production of Recombined bamboo component, solve common Recombined bamboo flexural member institute The technical problems such as the rigidity existing is little, big, the tension bamboo fiber premature failure of amount of deflection.
(2) presstressed reinforcing steel can move up and down so that presstressed reinforcing steel will not in pressing process in Recombined bamboo pressing process Elongation, shorten change it is ensured that its stretch-draw prestressing force constant.
(3) multiple rows of pin jack, along short transverse interlaced arrangement, can meet and produce Recombined bamboo component different cross section height Need.
(4) detachable base plate is while bearing pre-stress rib stretching force, and the conversion of achievable stretching force reduces production The weight of anchorage and cost.
(5) strong adaptability of mould, is adaptable to the life of the prestressing force enhancing Recombined bamboo of different presstressed reinforcing steels, anchorage form Produce.
Brief description
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is the overall structure 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 plan 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 along longitudinal i-i profile;
Fig. 5 is that a kind of prestressing force strengthens Recombined bamboo production mould along longitudinal ii-ii profile;
Fig. 6 is the overall structure diagram of u shape tensioning support;
In the accompanying drawings, 1 be u shape die body, 2 be bind plate, 3 be pin, 4 be ribs, 5 be base plate, 6 be that u shape tensioning is propped up Seat, 7 be roller bearing, 8 be anchor plate, 10 be pin jack, 11 be conduit, 12 be vertical hole, 13 be presstressed reinforcing steel, 14 be restructuring Bamboo, 91 be anchor ring, 92 be anchor body.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figures 1 to 6, a kind of prestressing force strengthens Recombined bamboo production mould, including u shape die body 1, the plate 2 that binds, pin 3, Ribs 4, base plate 5, u shape tensioning support 6, roller bearing 7, anchor plate 8, the section of u shape die body 1 is u shape, and its bottom surface is placed in base plate 5 On, detachable and base plate 5 between, u shape die body 1 be respectively arranged at the two ends with a pair of ribs 4, completely fill out Recombined bamboo in u shape die body 1 14, the plate 2 that binds blocks the suitable for reading of u shape die body 1, and the side of u shape die body 1 offers the pin jack 10 of a more than row, row's pin Bolt 3 passes through the fixing plate 2 that binds of pin jack 10, and a pair of u shape tensioning support 6 is symmetrically set in the two ends of u shape die body 1, and is supported in u The end face of shape die body 1 and ribs 4, u shape tensioning support 6 lateral surface has two conduits 11, setting two in every conduit 11 Above roller bearing 7, has vertical hole 12 between two conduits 11, anchor plate 8 is in close contact in the lateral surface of roller bearing 7, and can Move up and down along the contact surface with roller bearing 7, along being longitudinally disposed inside Recombined bamboo 14, two ends pass through vertical presstressed reinforcing steel 13 Hole 12 and the center hole of anchor plate 8, are anchored in anchor plate 8 by anchorage after tensioning.
In being embodied as, the width of base plate 5 and length are equal with u shape die body 1, and u shape die body 1 is placed on base plate 5, to Add appropriate loose impregnation bamboo fibre assemblies, according to design requirement, presstressed reinforcing steel 13 is embedded in bamboo fibre assemblies in u shape die body Corresponding position, be symmetrical arranged u shape tensioning support 6 at the two ends of u shape die body 1, using tensioning equipment tensioned prestressing bar 13 And it is anchored in the lateral surface of anchor plate 8 by anchorage, subsequently, add the plate 2 that binds, apply vertical pressure compacting bamboo fibre assemblies extremely At design height, laterally wear pin 3 with the fixing plate 2 that binds along wherein one row's pin jack 10, split base plate 5, examination will be produced Part moves to fog room together with u shape die body 1 and u shape tensioning support etc., is heating and curing, and forms a kind of prestressing force and strengthens Recombined bamboo structure Part.
In an embodiment, described roller bearing 7 is cylinder, and two ends are embedded in the circular hole of conduit 11 side wall, phase in conduit 11 It is not in contact with each other between adjacent roller bearing 7, roller bearing 7 freely can roll around fixing axle, anchor plate 8 is in close contact in the lateral surface of roller bearing 7, anchor Tool is fixed on the outside of anchor plate 8, and in Recombined bamboo 14 pressing process, presstressed reinforcing steel 13, anchorage are with anchor plate 8 along anchor pad Plate 8 is moved up and down with the contact surface of roller bearing 7, makes presstressed reinforcing steel 13 holding level in pressing process.
Wherein, pin jack 10 is equally spaced along the length direction of u shape die body 1, along the suitable interlaced arrangement of short transverse two More than row, strengthen the different depth of section of Recombined bamboo component to meet prestressing force.
It is welded with ribs 4, it supports u shape to open with the end face of u shape die body 1 jointly inside the two side at u shape die body 1 two ends Draw bearing 6, the top surface of ribs 4 is flushed with the lower mouth of the pin jack 10 of bottom one row.
It is provided with hole, the size of hole is more than the diameter of presstressed reinforcing steel 13, leads in order to presstressed reinforcing steel in the middle part of anchor plate 8 Cross, reality is not preferably less than 30mm.
Presstressed reinforcing steel 13 is fiber bar, fiber rope, fabric, or one of metal ribs, mfg. metal cord, wire, Anchorage is made up of anchor ring 91 and anchor body 92, and the form of anchor ring 91 and anchor body 92 is corresponding with the form of presstressed reinforcing steel 13, such as in advance should Power muscle 13 is fiber bar, and anchor ring 91 and anchor body 92 can be respectively nut and injecting glue binding ground tackle.

Claims (7)

1. a kind of prestressing force strengthens Recombined bamboo production mould, including u shape die body (1), the plate that binds (2), pin (3), ribs (4), base plate (5), u shape tensioning support (6), roller bearing (7), anchor plate (8) are it is characterised in that the section of u shape die body (1) is u Shape, its bottom surface is placed on base plate (5), detachable and base plate (5) between, and u shape die body (1) is respectively arranged at the two ends with a pair of ribs (4), completely fill out Recombined bamboo (14) in u shape die body (1), the plate that binds (2) blocks suitable for reading, the side of u shape die body (1) of u shape die body (1) Offer the pin jack (10) of a more than row, row's pin (3) passes through the fixing plate (2) that binds of pin jack (10), a pair of u shape Tensioning support (6) is symmetrically set in the two ends of u shape die body (1), and is supported in end face and the ribs (4) of u shape die body (1), and u shape is opened Bearing (6) lateral surface is drawn to have two conduits (11), setting two or more roller bearing (7), two conduits in every conduit (11) (11) have vertical hole (12) between, anchor plate (8) is in close contact in the lateral surface of roller bearing (7), and can along with roller bearing (7) contact surface moves up and down, and presstressed reinforcing steel (13) is internal along being longitudinally disposed at Recombined bamboo (14), and two ends pass through vertical hole (12) and anchor plate (8) center hole, after tensioning, anchor plate (8) is anchored in by anchorage.
2. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould it is characterised in that roller bearing (7) is cylinder Body, two ends are embedded in the circular hole of conduit (11) side wall, are not in contact with each other in conduit (11) between adjacent roller bearing (7), and roller bearing (7) can be around Fixing axle freely rolls.
3. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould it is characterised in that the width of base plate (5) And length is equal with u shape die body (1), it bears counter-force during tension of prestressed tendon jointly with u shape die body (1).
4. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould it is characterised in that pin jack (10) Length direction along u shape die body (1) is equally spaced, pin jacks (10) more than two rows along short transverse interlaced arrangement, After the completion of prestressing force strengthens the compacting of Recombined bamboo component, row's pin jack (10) that pin (3) extends laterally through design height is solid Surely bind plate (2).
5. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould it is characterised in that ribs (4) are welded Inside the two side at u shape die body (1) two ends, it supports u shape tensioning support (6) jointly with the end face of u shape die body (1), supports The top surface of rib (4) is flushed with the lower mouth of the pin jack (10) of bottom one row.
6. a kind of prestressing force according to claim 1 strengthens Recombined bamboo production mould it is characterised in that in the middle part of anchor plate (8) It is provided with hole, the size of hole is more 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 characterised in that presstressed reinforcing steel (13) For fiber bar, fiber rope, fabric, or one of metal ribs, mfg. metal cord, wire, anchorage is by anchor ring (91) and anchor Body (92) forms.
CN201510229089.3A 2015-05-05 2015-05-05 Prestress reinforced recombined bamboo production mold Active CN104802230B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835206B (en) * 2016-03-28 2018-05-22 浙江农林大学 Cylinder recombining bamboo production method and its molding machine
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 Priority date Publication date Assignee Title
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
EP1559489A2 (en) * 2004-01-29 2005-08-03 Akebono Corporation Gas-permeable molds for composite material fabrication and molding method
CN101021100A (en) * 2006-11-10 2007-08-22 天津市耀新科技发展有限公司 Fiber reinforced ground tackle for fiber reinforcing method
CN101761189A (en) * 2010-01-08 2010-06-30 北京工业大学 Prestress carbon fiber sheet reinforcing ground tackle and construction technology for reinforcing concrete structure thereof
CN102259372A (en) * 2011-08-05 2011-11-30 青岛国森机械有限公司 Pressing equipment for long-specification bamboo laminated wood
CN102848438A (en) * 2012-09-14 2013-01-02 青岛国森机械有限公司 Novel lockset for pressing bamboo-wood restructuring material
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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* Cited by examiner, † Cited by third party
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JP2004036219A (en) * 2002-07-03 2004-02-05 Sangaku Renkei Kiko Kyushu:Kk Reinforcing material

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1559489A2 (en) * 2004-01-29 2005-08-03 Akebono Corporation Gas-permeable molds for composite material fabrication and molding method
CN101021100A (en) * 2006-11-10 2007-08-22 天津市耀新科技发展有限公司 Fiber reinforced ground tackle for fiber reinforcing method
CN101761189A (en) * 2010-01-08 2010-06-30 北京工业大学 Prestress carbon fiber sheet reinforcing ground tackle and construction technology for reinforcing concrete structure thereof
CN102259372A (en) * 2011-08-05 2011-11-30 青岛国森机械有限公司 Pressing equipment for long-specification bamboo laminated wood
CN102848438A (en) * 2012-09-14 2013-01-02 青岛国森机械有限公司 Novel lockset for pressing bamboo-wood restructuring material
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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