CN105773754B

CN105773754B - Produce triangle thin bamboo strips used for weaving dedicated tool

Info

Publication number: CN105773754B
Application number: CN201610184552.1A
Authority: CN
Inventors: 于红卫; 门全胜; 鲍滨福
Original assignee: Zhejiang A&F University ZAFU
Current assignee: Zhejiang A&F University ZAFU
Priority date: 2016-03-28
Filing date: 2016-03-28
Publication date: 2017-12-26
Anticipated expiration: 2036-03-28
Also published as: CN105773754A

Abstract

One kind production triangle thin bamboo strips used for weaving dedicated tool, its framework（1）In square, cutter hub is divided into operator（2）With auxiliary knife（4）It is placed in framework, same plane, " V " the word continued access shape operator of one word side by side is placed in frame mid portion, the turning of single V words and the continued access angle of two neighboring V words are equal, it is θ, and has auxiliary knife to connect and be fixed in two corresponding sides of framework, a V-shaped free-end knife end in two outsides is separately fixed in another two corresponding sides of framework, the cutting edge of operator and auxiliary knife is opened in plane the same side, and each space that framework, operator and auxiliary knife are encircled into jointly is bamboo cane passage（3）.This cutter is exclusively used in splitting cross section processed thin bamboo strips used for weaving bar triangular in shape, raw material as production cylinder recombining bamboo, it is not easy to overlap between thin bamboo strips used for weaving bar during assembly, space is few, density is small and uniform, pressure is small during compacting, saves bamboo wood, the recombining bamboo internal stress being pressed into is small, the high yield rate of slicing decoration material.

Description

Produce triangle thin bamboo strips used for weaving dedicated tool

Technical field

The present invention relates to a kind of process tool of bamboo wood, raw bamboo is specifically split into the dedicated tool of triangle thin bamboo strips used for weaving.

Background technology

With the change of China's Forest Resources structure and the implementation of wildwood protected project, high-quality large diameter timber resources is got over Come fewer, make full use of bamboo timber resource, realize high performance, multifunction and the environment-friendly characteristic of biological material.China Bamboo grove area occupies first place in the world, and bamboo can become a useful person in 4 years, under the thought guidance of sustainable development, continually develops, continues profit forever It is a significant engineering with biomaterial.

At present, it is rectangle or just into end face after longitudinally splitting to produce the raw materials used substantially mao bamboon raw bamboo of Recombined bamboo Square bamboo cane, the bamboo cane gone after green grass or young crops is through rolling, brooming, impregnation, drying, mats formation, the process such as High Voltage chemical conversion type, and restructuring is made Bamboo cuboid material, for utilization rate of bamboo typically up to more than 70%, Recombined bamboo is used further to production restructuring bamboo flooring, Recombined bamboo sawing Veneer, restructuring sliced veneer etc. are several.There is following outstanding problem for aforementioned production method：First, rectangle or pros Mutually overlap joint is easily produced when shape raw material bamboo cane is mated formation, high pressure must be used to reduce space in forming process, cause to produce Product density is high, internal stress is big, product size stability is poor；Second, raw material bamboo wood takes, press investment is big, added value of product is low, raw It is high to produce cost；3rd, the bamboo beam through rolling, after brooming, portion of cellulose is separated by force with lignin, after immersing glue process, Due to adhesive molecular weight distribution inequality the problems such as, cause part bamboo beam starved, in product manufacturing and application process, product Poor dimensional stability, surface produce the problems such as jumping silk；4th, the bamboo beam through rolling, after brooming, the natural structure of bamboo wood is broken Bad, bamboo beam becomes loose, causes spread to increase, and increases product cost.

" a kind of except bamboo internal segment and the bamboo breaking knife for the position that can center " that CN103753667A is announced, " a kind of new broken bamboo knife " that CN200620136834.6 is announced, CN103753671A is " a kind of except the broken bamboo knife of tabasheer Tool ", the thin bamboo strips used for weaving end face made from above three patent cutter is all rectangle, is trapezoidal or square, it is impossible to bamboo circle is made Cylinder timber-used triangle thin bamboo strips used for weaving, it is only used for making the square Recombined bamboo of general square thin bamboo strips used for weaving and high intensity cold pressing heat cure Material, the deficiency of above-mentioned four aspect is not avoided.

In order to meet the needs of triangle thin bamboo strips used for weaving manufacture, it is raw material production weight to overcome existing Recombined bamboo to produce with square thin bamboo strips used for weaving Deficiency existing for group bamboo wood, present invention proposition is a kind of to manufacture the special of recombining bamboo by the square thin bamboo strips used for weaving of raw material replacement of triangle thin bamboo strips used for weaving With cutter, through retrieval and market survey, there is not yet relevant report and product appear on the market.

The content of the invention

The technical problem to be solved in the present invention is to provide a kind of dedicated tool for producing triangle thin bamboo strips used for weaving.

Solve the technical problem to adopt the following technical scheme that：

This production triangle thin bamboo strips used for weaving dedicated tool, including framework and cutter hub, framework are in square, cutter hub be divided into operator and Auxiliary knife, cutter hub are placed in framework, and are in same plane, and " V " the word continued access shape operator of a word side by side is placed in frame mid portion, single The turning of V words and the continued access angle of two neighboring V words are equal, are θ, and two correspondences for having auxiliary knife to connect and be fixed on framework Bian Shang, a V-shaped free-end knife end in two outsides are separately fixed in another two corresponding sides of framework, the sword of operator and auxiliary knife Mouth is opened in plane the same side, and each space that framework, operator and auxiliary knife are encircled into jointly is bamboo cane passage.

The turning of described single V words and the continued access angle θ of two neighboring V words are 45⁰-90⁰。

Described operator have respectively be arranged symmetrically two rake faces for forming angle of wedge φ and relief angle is a after two knife face and The knife back forms, and φ angles are 15⁰-40⁰, a angles are 0⁰-5⁰。

Described auxiliary knife have respectively be arranged symmetrically two rake faces for forming angle of wedge β and relief angle is a after two knife face and The knife back forms, and β angles are 20⁰-60⁰, a angles are 0⁰-5⁰。

Described square framework, it is 0 that its inner side, which is provided with negative rake λ and relief angle a, λ angles,⁰-20⁰, a angles are 0⁰-5⁰。

The beneficial effects of the invention are as follows with this cutter be made thin bamboo strips used for weaving end face it is triangular in shape, with this thin bamboo strips used for weaving through impregnation, drying, Bamboo cylinder material density ratio made from assembly with it is current conventional the use of end face is rectangle, trapezoidal or square bamboo recombined material it is close Degree is low, and reason is due to that whole thin bamboo strips used for weaving is triangular prism shaped, can mutual kissing between three faces of every thin bamboo strips used for weaving during assembly Close, overlap joint phenomenon between thin bamboo strips used for weaving and thin bamboo strips used for weaving is that rectangle, trapezoidal or square bamboo beam want much less than end face, required for shaping Pressure it is also much lower, product space is few, and internal stress is low, be advantageous to made of Recombined bamboo cylinder material, then be made by rotary-cut The yield rate of product is improved during imitation wood line Recombined bamboo decoration material.

In bamboo square stock or bamboo cylinder material manufacturing process, the various timber by comb solution can be added and form bamboo with bamboo beam The compound square stock of wood or bamboo and wood composite cylindrical body material, are manufactured for imitation wood line recombinant decorative material.

Brief description of the drawings

Fig. 1 this dedicated tool front views.

Fig. 2 is Fig. 1 A-A sectional views.

Fig. 3 is the B-B sectional views of operator 2 in Fig. 1.

Fig. 4 be bamboo chip horizontally enter into cutter 1 split thin bamboo strip view.

Fig. 5 is the shape size schematic diagram of triangle thin bamboo strips used for weaving 5.

Embodiment

The present invention is described in detail with reference to embodiments and referring to the drawings：

This production triangle thin bamboo strips used for weaving dedicated tool, including framework and cutter hub, framework 1 are in square, and cutter hub is divided into operator 2 With auxiliary knife 4, cutter hub is placed in framework, and is in same plane, and " V " the word continued access shape operator of a word side by side is placed in frame mid portion, The turning of single V words and the continued access angle of two neighboring V words are equal, are θ, and have auxiliary knife to connect and be fixed on two of framework In corresponding sides, a V-shaped free-end knife end in two outsides is separately fixed in another two corresponding sides of framework, operator and auxiliary knife Cutting edge open in plane the same side, each space that framework, operator and auxiliary knife are encircled into jointly is bamboo cane passage 3.

Described operator 2 has respectively is arranged symmetrically that to form two rake faces for carving angle φ and relief angle be knife face after two of a And knife back composition, φ angles are 15⁰-40⁰, a angles are 0⁰-5⁰。

Described auxiliary knife 4 have respectively be arranged symmetrically form after two rake faces for carving angle beta and relief angle are two of a knife face and The knife back forms, and β angles are 20⁰-60⁰, a angles are 0⁰-5⁰。

Described square framework 1, it is 0 that its inner side, which is provided with negative rake λ and relief angle a, λ angles,⁰-20⁰, a angles are 0⁰-5⁰。

See Fig. 1 and Fig. 2, operator 2 that this cutter is formed by framework 1 and V-shaped continued access and respectively with quadra, operator The auxiliary knife 4 of 2 connections forms, and the space that operator 2, auxiliary knife 4 and framework surround is bamboo cane passage 3, and V-shaped continued access forms operator 2 Angle is θ, and θ angles are 45⁰—90⁰.It is two of α that operator 2 forms angle of wedge Ф two rake faces and relief angle by being arranged symmetrically respectively Knife face forms afterwards, and Ф angles are 15⁰—40⁰, α angles are 0⁰—5⁰；Auxiliary knife 4 forms angle of wedge β two rake faces by being arranged symmetrically respectively Knife face forms after being two of α with relief angle, and β angles are 20⁰—60⁰；Square scuncheon is increase guidance quality and reducing friction resistance It is 0 to set negative rake λ and relief angle α, λ angles respectively⁰—20⁰, such as Fig. 3, Fig. 2.The high h of the wide b of long L of preparatory processing strip bamboo Piece is horizontally entered into cutter under external force, and bamboo chip is forced to separate under 2 cutting force effect of operating each enters passage 3, most It is isosceles triangle to form cross section shape afterwards（Drift angle is θ, a height of h）The thin bamboo strips used for weaving 5 of a length of L triangular prism form, such as Fig. 4, Fig. 5 It is shown.

Claims

1. one kind production triangle thin bamboo strips used for weaving dedicated tool, including framework and cutter hub, it is characterized in that framework（1）In square, knife Body is divided into operator (2) and auxiliary knife (4), and cutter hub is placed in framework, and is in same plane, " V " word continued access shape master of a word side by side Knife is placed in frame mid portion, and the continued access angle of the turning of single V words and two neighboring V words is equal, is θ, and have auxiliary knife connection and Be fixed in two corresponding sides of framework, the V-shaped free-end knife end in two outsides be separately fixed at another two of framework it is right Answer on side, the cutting edge of operator and auxiliary knife is opened in plane the same side, and each space that framework, operator and auxiliary knife are encircled into jointly is bamboo cane Passage (3).

2. production triangle thin bamboo strips used for weaving dedicated tool as claimed in claim 1, it is characterized in that the turning of described single V words and phase The continued access angle θ of adjacent two V words is 45⁰-90⁰。

3. production triangle thin bamboo strips used for weaving dedicated tool as claimed in claim 1, it is characterized in that described operator (2) has symmetrically respectively Arrangement forms angle of wedge φ two rake faces and relief angle is a after two knife face and knife back composition, and φ angles are 15⁰-40⁰, a angles are 0⁰-5⁰。

4. production triangle thin bamboo strips used for weaving dedicated tool as claimed in claim 1, it is characterized in that described auxiliary knife（4）Have respectively symmetrical Arrangement forms angle of wedge β two rake faces and relief angle is a after two knife face and knife back composition, and β angles are 20⁰-60⁰, a angles are 0⁰- 5⁰。

5. production triangle thin bamboo strips used for weaving dedicated tool as claimed in claim 1, it is characterized in that described square framework (1), It is 0 that its inner side, which is provided with negative rake λ and relief angle a, λ angles,⁰-20⁰, a angles are 0⁰-5⁰。