CN102689343A

CN102689343A - Shredding cutter

Info

Publication number: CN102689343A
Application number: CN2012101797290A
Authority: CN
Inventors: 孙波; 母军; 于志明; 李建章; 张晓华
Original assignee: QINHUANGDAO YUYUAN WOOD CO Ltd
Current assignee: QINHUANGDAO YUYUAN WOOD CO Ltd
Priority date: 2012-06-01
Filing date: 2012-06-01
Publication date: 2012-09-26
Anticipated expiration: 2032-06-01
Also published as: WO2013178072A1; CN102689343B

Abstract

The invention relates to related machinery for artificial boards and discloses a shredding cutter. The shredding cutter comprises an upper combing roller and a lower combing roller, wherein the upper combing roller comprises an upper rotation shaft and an upper cutter arranged on the upper rotation shaft; the lower combing roller comprises a lower rotation shaft and a lower cutter arranged on the lower rotation shaft; the upper cutter and the lower cutter are concave and convex cutters consisting of a plurality of concave blades and a plurality of convex blades at intervals; and the concave blades of the upper cutter are correspondingly meshed with the convex blades of the lower cutter. By the shredding cutter, the concave blades and convex blades are arranged at intervals, and the meshed cutters are formed, so that wood chips and other plant straws can be continuously shredded, the continuity of production can be guaranteed, and the durability of the cutters is enhanced; and simultaneously, the cutters can be replaced in time when a phenomenon of localized wear or other damage occurs, wood chips with different required widths can be produced through different combinations, versatility and durability are realized, the shredding cutter is suitable for production, and excelsior boards can be effectively shredded and paved continuously and uniformly.

Description

Knife for cutting slivers

Technical field

The present invention relates to the wood-based plate associated mechanical, particularly relate to a kind of Knife for cutting slivers.

Background technology

The mode of discongesting and the cutter of existing timber wood wool, mainly contain press separate, shearing and cutlery cutting, all there is the disadvantage of using in many production in variety of way

Pressure is separated formula, and the structural representation of corresponding Knife for cutting slivers is as depicted in figs. 1 and 2, comprises that comb is separated roller 1 and following comb is separated roller 2; Last comb is separated roller 1 and is separated roller 2 with comb down and be provided with concavo-convex cutter at interval, and goes up comb and separate the corresponding up and down engagement of concavo-convex cutter that roller 1 and comb are down separated roller 2, adopts brute force to roll brush wood is rolled in flakes; And then it is rolled into netted silk through gapped concavo-convex cutter; Must have enough clearence degrees to cooperate between concavo-convex cutter, could guarantee that the wood wool bar is not wrapped in cutter groove the inside, enough clearence degrees are in order to let the timber brush wood that is rolled become the flat netted of integral body; Such cutter also is whole material; Through the concavo-convex cooperation cutter that machining forms, the bulk heat treatmet of cutter material is difficult to protect the overall co-ordination of whole cutter, and it is higher to make required precision; Cost of manufacture is high, can't timber be discongested single elongated wood wool simultaneously.

Integral body is shearing, and structural representation such as Fig. 3 and shown in Figure 4 of corresponding Knife for cutting slivers comprise that comb is separated roller 1 and following the comb separated roller 2, and last comb is separated roller 1 and separated the concavo-convex cutter that roller 2 is provided with the interval with following the comb; And last the comb separated roller 1 and combed the concavo-convex cutter correspondence engagement up and down of separating roller 2 down, and last comb is separated roller 1 and combed the top of separating the protrusion cutter on the roller 2 down has the blade shear surface respectively, and cutter cooperates against the whole high-precision convex-concave of retrofit; The continuous shear surface of rotation that leans on convex-concave to cooperate forms ply is sheared continuously, becomes independent long filament; Though solved the problem that ply becomes silk continuously,, require the machining accuracy high; Cutter is an overall time, and cost is also high, and a kind of cutter is only to process a kind of width wood wool; At the cutter running, concavo-convex high-precision cooperation can cause the friction generates great amount of heat; And influence service life of cutter, and many disadvantages are arranged in the production,, cutter is wrapped in cutter groove the inside etc. after being heated easily like wood wool.

The cutter block formula, the structural representation of corresponding Knife for cutting slivers is as shown in Figure 5, and a plurality of blade unit form milling cutter 4 together; The circumference of each blade has sharp sword, during use below milling cutter 4 with cushion block 3, chopping on cushion block 3; Such cutter is to lean on the milling of timber or rolling of sharp sword, makes ply become silk, but the cutter of cutter block form or sharp sword; Welding procedure between sharp sword and cutter hub, and the intensity of cutter hub common material have brought up the wood wool that such cutter can not accomplish to separate very refinement; Because the wood wool width should with the consistency of thickness of cutter hub, if very thin cutter hub, the insufficient strength of cutter hub; Machining accuracy also requires height, and cutter hub and the inconsistent cutlery that also causes of cutlery material come off easily simultaneously.

Summary of the invention

The technical problem that (one) will solve

The technical problem that the present invention will solve be how to realize ply and other plant stalk continuous become silk, and improve the durability and the intensity of Knife for cutting slivers.

(2) technical scheme

In order to solve the problems of the technologies described above; The present invention provides a kind of Knife for cutting slivers; Comprise that the comb of going up that is meshed separates roller and separate roller with comb down, the said comb of going up is separated roller and is comprised turning cylinder and be arranged on fixing a cutting tool on the turning cylinder, said comb down separate roller comprise under turning cylinder and be arranged on down the bottom tool on the turning cylinder; Said fix a cutting tool and bottom tool is formed concavo-convex cutter by multi-disc concave, convex blade respectively at interval, said fixing a cutting tool and the corresponding engagement of the concave, convex blade of bottom tool.

Wherein, the equal diameters of said a plurality of recessed blades of fixing a cutting tool, and with the equal diameters of a plurality of recessed blades of said bottom tool; The equal diameters of said a plurality of protruding blades of fixing a cutting tool, and with the equal diameters of a plurality of protruding blades of said bottom tool.

Wherein, said fix a cutting tool with bottom tool on multi-disc concave, convex blade paste mutually at interval, two ends are separately fixed on turning cylinder and the following turning cylinder, with spacing to said concave, convex blade by nut.

Wherein, be provided with packing ring between said concave, convex blade and the nut.

Wherein, the interior circular hole of said concave, convex blade divided and passed said turning cylinder and the following turning cylinder gone up, and all offered keyway on the interior circular hole of said concave, convex blade, on the bumping post that said keyway block is provided with on turning cylinder and the following turning cylinder on said.

Wherein, the thickness of said concave, convex blade equates, is 0.8mm～1.5mm.

Wherein, the diameter of said concave, convex blade differs 3mm～25mm.

(3) beneficial effect

The Knife for cutting slivers that technique scheme provided, through multi-disc concave, convex blade separation being formed the cutter be meshed, that can realize ply and other plant stalk becomes thread continuously; Guarantee the continuity of production; Increase tool life, when accomplishing that simultaneously concentrated wear or other damage, cutter can in time be changed; Different combinations can produce the wood wool of different needs width; Realize versatility, durability, be fit to produce, guaranteed the one-tenth silk of wood wool structural slab and the continuity and the uniformity of mating formation effectively.

Description of drawings

Fig. 1 is the structural representation of pressing the Knife for cutting slivers of the formula of separating in the prior art;

Fig. 2 is the viewgraph of cross-section of Knife for cutting slivers among Fig. 1;

Fig. 3 is the structural representation of whole shearing Knife for cutting slivers in the prior art;

Fig. 4 is the viewgraph of cross-section of Knife for cutting slivers among Fig. 3;

Fig. 5 is the structural representation of the Knife for cutting slivers of cutter block formula in the prior art;

Fig. 6 is the structural representation of the Knife for cutting slivers of the embodiment of the invention;

Fig. 7 is the viewgraph of cross-section of Knife for cutting slivers among Fig. 6;

Fig. 8 is the structural representation of single piece blade in the embodiment of the invention.

Wherein, 1: go up comb and separate roller; 2: comb is separated roller down; 3: backing plate; 4: milling cutter; 5: go up turning cylinder; 6: following turning cylinder; 7: nut; 8: fix a cutting tool; 9: bottom tool; 10: keyway; 11: packing ring.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.

Fig. 6 shows the structural representation of the Knife for cutting slivers of present embodiment, and Fig. 7 is its viewgraph of cross-section.With reference to Fig. 6 and shown in Figure 7; This Knife for cutting slivers comprises going up of being meshed, and comb is separated roller and following comb is separated roller; Last comb is separated roller and is comprised turning cylinder 5 and be arranged on and fix a cutting tool 8 on the turning cylinder 5; Following comb is separated roller and is comprised down turning cylinder 6 and be arranged on down the bottom tool 9 on the turning cylinder 6, fixes a cutting tool 8 to form concavo-convex cutter at interval by multi-disc concave, convex blade respectively with bottom tool 9, fix a cutting tool 8 with corresponding engagement of concave, convex blade of bottom tool 9.Every concave, convex blade is made separately; Be combined to form concavo-convex cutter each other; Every concave, convex blade all passes through wear-resisting and Quenching Treatment, realize blade durability and with shear sharpness, need on blade, not make blade; The facade that only relies on the concave, convex blade to match to form is sheared, and realizes ply and other plant stalk continuous become thread.

Particularly, the equal diameters of 8 a plurality of recessed blades of fixing a cutting tool, the equal diameters of a plurality of recessed blades of bottom tool 9, and 8 a plurality of recessed blade of fixing a cutting tool also equates with the diameter of a plurality of recessed blades of bottom tool 9; The fix a cutting tool equal diameters of a plurality of protruding blades of 8, the equal diameters of a plurality of protruding blades of bottom tool 9, and the equal diameters of a plurality of protruding blades of fix a cutting tool 8 a plurality of protruding blade and bottom tool 9.

All offer interior circular hole on the every concave, convex blade; The interior circular hole of concave, convex blade divided and passed turning cylinder 5 and following turning cylinder 6, can rotate synchronously along with last turning cylinder 5 and following turning cylinder 6 in order to realize the concave, convex blade, all offered keyway 10 on the interior circular hole of concave, convex blade; As shown in Figure 8; Keyway 10 blocks are on the bumping post (not shown) that is provided with on last turning cylinder 5 and the following turning cylinder 6, and keyway 10 is eccentric the setting on interior circular hole, and keyway 10 not only is used for the concave, convex blade is positioned; Can also realize the eccentric rotary of concave, convex blade; Be convenient to fix a cutting tool 8 and bottom tool 9 between trickle separation in rotation process, be easy to wood wool from fix a cutting tool 8 and bottom tool 9 between separate, not can fix a cutting tool 8 and bottom tool 9 between form and twine.

Fix a cutting tool 8 with bottom tool 9 on multi-disc concave, convex blade paste mutually at interval; Two ends are separately fixed on turning cylinder 5 and the following turning cylinder 6 by nut 7; With spacing to the concave, convex blade, be provided with packing ring 11 between concave, convex blade and the nut 7, packing ring 11 can improve the spacing tight ness rating of 7 pairs of concave, convex blades of nut; Prevent to have the gap between the concave, convex blade, influence an effect.Generally speaking, the thickness of the concave, convex blade on last turning cylinder 5 and the following turning cylinder 6 equates that be between 0.8mm～1.5mm, the diameter of concave, convex blade differs 3mm～25mm, satisfies a normal demand that becomes thread.

Can find out that by above embodiment the present invention adopts the different sheet of cylindrical to unify material cutter, alternate combinations; Connect with turning cylinder, wood wool can be the integral multiple width of blade thickness, and what be different from the milling cutter combining form is; The tongue and groove of such cutter is joined the facade shearing, is different from whole concavo-convex cutter, and the entire length of cutter is arbitrary combination as requested; And dismantled and assembled exchange in the use; Concavo-convex cooperation cutter cylindrical is not a cutlery, but leans on the precision of concavo-convex cooperation to connect shearing timber or stalk, does not need production technology operations such as sharpening.Through multi-disc concave, convex blade separation being formed the cutter be meshed, that can realize ply and other plant stalk becomes silk, the continuity of assurance production continuously; Increase tool life, when accomplishing that simultaneously concentrated wear or other damage, cutter can in time be changed; Different combinations can produce the wood wool of different needs width; Realize versatility, durability, be fit to produce, guaranteed the one-tenth silk of wood wool structural slab and the continuity and the uniformity of mating formation effectively.

The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.

Claims

1. Knife for cutting slivers; Comb is separated roller and following comb is separated roller to comprise going up of being meshed; It is characterized in that the said comb of going up is separated roller and comprised turning cylinder and be arranged on fixing a cutting tool on the turning cylinder, said comb down separate roller comprise under turning cylinder and be arranged on down the bottom tool on the turning cylinder; Said fix a cutting tool and bottom tool is formed concavo-convex cutter by multi-disc concave, convex blade respectively at interval, said fixing a cutting tool and the corresponding engagement of the concave, convex blade of bottom tool.

2. Knife for cutting slivers as claimed in claim 1 is characterized in that, the equal diameters of said a plurality of recessed blades of fixing a cutting tool, and with the equal diameters of a plurality of recessed blades of said bottom tool; The equal diameters of said a plurality of protruding blades of fixing a cutting tool, and with the equal diameters of a plurality of protruding blades of said bottom tool.

3. Knife for cutting slivers as claimed in claim 1 is characterized in that, said fix a cutting tool with bottom tool on multi-disc concave, convex blade paste mutually at interval, two ends are separately fixed on turning cylinder and the following turning cylinder, with spacing to said concave, convex blade by nut.

4. Knife for cutting slivers as claimed in claim 3 is characterized in that, is provided with packing ring between said concave, convex blade and the nut.

5. Knife for cutting slivers as claimed in claim 1; It is characterized in that; The interior circular hole of said concave, convex blade divided and passed said turning cylinder and the following turning cylinder gone up; All offer keyway on the interior circular hole of said concave, convex blade, on the bumping post that said keyway block is provided with on turning cylinder and the following turning cylinder on said.

6. Knife for cutting slivers as claimed in claim 1 is characterized in that, the thickness of said concave, convex blade equates, is 0.8mm～1.5mm.

7. Knife for cutting slivers as claimed in claim 1 is characterized in that the diameter of said concave, convex blade differs 3mm～25mm.