CN101927505B - Blade saw for cutting and manufacturing method thereof - Google Patents
Blade saw for cutting and manufacturing method thereof Download PDFInfo
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- CN101927505B CN101927505B CN2010102244144A CN201010224414A CN101927505B CN 101927505 B CN101927505 B CN 101927505B CN 2010102244144 A CN2010102244144 A CN 2010102244144A CN 201010224414 A CN201010224414 A CN 201010224414A CN 101927505 B CN101927505 B CN 101927505B
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Abstract
The invention provides a blade saw for cutting and a manufacturing method thereof, wherein the flexure stress of a matrix metal disk is fully increased while small stones and the like can be prevented from springing upward, the safety performance is excellent; and the blade can be inserted in the weed tree and the like in a right angle manner for cutting, and good cutting performance can be obtained easily. The matrix metal disk is characterized in that the matrix metal disk is provided with an installation flat section and a stair-shaped part and a blade flat section, wherein a mounting hole through which the blade saw is installed on a cutting machine, is formed on the central part of the installation flat section; the stair-shaped part is arranged on the outside of the installation flat section and protrudes to the opposite side of the cutting machine; the blade flat section is arranged on the outside of the stair-shaped part, faces to the peripheral direction of the matrix metal disk and extends nearly parallel to the installation flat section; when the installation flat section is installed on the cutting machine through a mounting bolt, the stair-shaped part is higher than the protruding part of the mounting bolt; and a plurality of protruding sections which are in a concentric state with the mounting hole are formed on the blade flat section, and the protruding sections protrude to the opposite side of the cutting machine and are roughly hemispherical.
Description
Technical field
The present invention relates to be installed on the cutting machine blade saw for cutting and the manufacturing approach thereof when cutting weeds or weedtree etc. (below be called weedtree etc.), used.
Background technology
In the past, as incisory butcher's saw, for example, Fig. 8 and butcher's saw shown in Figure 9 be well-known.As shown in Figure 8; This butcher's saw 101 has formed on the par 102a of discoideus parent metal dish 102 cores to cutting machine 104 installing hole 103 of usefulness has been installed; Simultaneously, the outer periphery of 102a in the par has formed the circular expanding section 102b that expands downwards.In addition, the 102b outside in the expanding section of parent metal dish 102, the 102a direction is perk state backward to blade part 102c towards said par.
Then, shown in Fig. 9 (a) and (b), on the blade installation portion 105 on the blade part 102c top of parent metal dish 102, through solder brazing the blade 106,107 that is provided with front 106a, 107a and top end face 106b, 1407b has been installed respectively.That is, blade installation portion 105 sections of being of Fig. 9 (a) differ from shape, and two installed surface 106c, the 106d of blade 106 has been installed through solder brazing respectively on this blade installation portion 105.In addition, the blade installation portion 105 of Fig. 9 (b) is the chase shape, on this blade installation portion 105, sees the installed surface that is half-circle-arc shape through what blade 107 had been fixed in solder brazing from the plane by what three installed surface 107c～107e constituted.And, as the butcher's saw through the solder brazing fixed blade, for example, open at special permission document 1 (opening flat 06-24429 communique in fact) on parent metal dise knife blade top.
But; Although this butcher's saw 101 have can in the inboard recess of expanding section 102b, set to cutting machine 104 install usefulness construction bolt 108, can prevent that thereby construction bolt 108 heads are to exposing outside advantages such as controlling its wearing and tearing or distortion; Be installed in the blade 106,107 (blade) on the parent metal dish 102 blade part 102c but also exist, the problem of cutting performance differences such as its cutting weedtree through solder brazing.
Promptly; Said butcher's saw 101; Its manufacturing approach that adopts is after blade 106,107 is installed to the blade part 102c of parent metal dish 102 through solder brazing, shapes expanding section 102b through punching press (extruding), therefore; The resilience meeting of parent metal dish 102 causes forming 102b lateral, the expanding section top perk of parent metal dish 102, sees Fig. 8.Consequently; There is angle in par 102a as the relative parent metal dish 102 of projected direction of the blade 106,107 of blade; Can't form roughly on unidirectional plane with par 102a, so blade is difficult to the right angle and gets into weedtree etc., thereby cause its cutting performance poor.
In addition; Be installed in the blade 106,107 on the blade installation portion 105 of parent metal dish 102 through solder brazing; If carry out solder brazing according to form shown in Fig. 9 (a); Though can guarantee the front 106a as the blade 106 of cutting edge so significantly, solder brazing area (fixed-area) is less, blade 106 comes off easily.On the contrary; If carry out solder brazing,, just diminish easily as the area of the front 107a of the blade 107 of cutting edge though can strengthen the solder brazing area to a certain extent so according to form shown in Fig. 9 (b); For improving cutting performance; Just need skive blade 107 once more, the result can cause being difficult to prolonging the life-span of butcher's saw 101 etc., because the butcher's saw 101 of which kind of form all cuts both ways.
In addition; When carrying out the cutting operation of weedtree etc.; Operator's power can be asked the root that cuts off weedtree etc.; Personal injury just gets into the first-class below of gravelstone easily as the blade of blade 106,107 like this, thereby causes that gravelstone is first-class to pop up or blade 106,107 damages and causes separation of fragments, to such an extent as to possibly take place the operator.Because the force direction that butcher's saw 101 is born has nothing in common with each other, so the generally following multiple reason stack of these accidents causes that for example, the revolution of butcher's saw 101 causes the resonance of parent metal dish 102; Or the vibrations of butcher's saw 101 itself cause alternate stress to focus on flange section, and this flange section is the installation portion of installing to cutting machine 104, from this mounting portion to parent metal dish 102 generation of cracks; Butcher's saw 101 comes off etc. from cutting machine 104, and from security standpoint, parent metal dish 102 itself needs the intensity of certain bending stress.
Summary of the invention
The object of the present invention is to provide a kind of blade saw for cutting and manufacturing approach thereof; When fully improving the bending stress of parent metal dish; Can reduce the first-class upwards side of gravelstone upsprings as far as possible; And security is superior, and blade can get into weedtree etc. in the right angle, can easily obtain good cutting performance.In addition; Except that above-mentioned purpose; Other purpose is the solder brazing area of the blade installation portion on the relative parent metal dise knife of increased blade blade top; And can guarantee enough big front, reduce problems such as blade comes off, further improve security in, the decline of control cutting performance also increases the service life.
For solving the problems of the technologies described above, the present invention is achieved in that
A kind of blade saw for cutting; It is characterized in that; Outer peripheral edges at discoideus parent metal dish have formed the blade installation portion; And through solder brazing the blade saw for cutting be provided with front and top end face and stationary plane is installed at this blade installation portion, said parent metal dish is equipped with following structure: the heart has partly formed the installation par of the installing hole that is used to be installed on the cutting machine therein; And the segment difference section of outside to form to the side-prominent state of anti-cutting machine of par is installed at this; And in the outside of this segment difference section, towards the outer peripheral edges direction of parent metal dish, the blade par that extends in parallel a little with said installation par; When being installed to said installation par on the cutting machine through construction bolt; The height setting of said segment difference section must be bigger than the outstanding size of this construction bolt; Simultaneously; On said blade par, formed a plurality of to anti-cutting machine side-prominent roughly be hemispheric protuberance, this protuberance and said installing hole are concentric circles.
Described blade saw for cutting is characterized in that, the outstanding 5～7mm that is of a size of of said relatively protuberance upper knife edge par is 1/5～1/3 of sphere diameter.
Described blade saw for cutting is characterized in that, said relatively 3～5 blades of said protuberance form 1.
Described blade saw for cutting is characterized in that, has formed handguard respectively in the thickness direction both sides of said blade stationary plane.
Described blade saw for cutting is characterized in that, said handguard is seen as the L word shape from the side.
By said structure, the advantage that the present invention compares with existing product is:
1, parent metal dish of the present invention is provided with and par and segment difference section is installed and has a plurality of blade pars that roughly are hemispherical protuberance; The height of segment difference section will installed the par when being installed on the cutting machine through construction bolt; Set greatlyyer than the outstanding size of this construction bolt; So on the parent metal dish, formed circular recess through the segment difference section; Through this recess can fully improve the bending stress of parent metal dish, the resonance etc. of parent metal dish when suppressing to rotate at a high speed, simultaneously, protuberance can make and keep certain clearance between blade and the ground; Thereby can as far as possible control the phenomenon of upspringing in the first-class upwards side of the gravelstone that is caused by blade, and the security can improve cutting operation the time.In addition and since the blade par that blade has been installed with the par almost parallel is installed, so blade can get into weedtree etc. in the right angle during cutting operation, thereby can easily obtain the good butcher's saw of cutting performance.
2, the present invention is because the outstanding 5～7mm that is of a size of that roughly is hemispheric protuberance that forms in the blade par; Be 1/5～1/3 of sphere diameter; Therefore can prevent really that blade from entering into the first-class downside of gravelstone on the ground; Can cut off (cutting) weedtree etc. according to suitable height through blade simultaneously, and protuberance itself can be guaranteed enough rigidity.
3, the present invention is because relative 3～5 blades form 1 protuberance, and therefore the number with protuberance is set at optimal number, and can obtain satisfying simultaneously the butcher's saw of security and cutting performance easily.
4, the present invention is because handguard is formed at the both sides of blade thickness direction respectively; Therefore the handguard through both sides can strengthen the blade solder brazing area with respect to parent metal disc blades installation portion, comes off from the parent metal dish thereby can suppress blade, simultaneously; Can guarantee that blade itself has enough big front; For example, can carry out the grinding of blade etc. once more, can control the decline of butcher's saw cutting performance and prolong its life-span.
5, the present invention roughly is the L word shape because the handguard of blade is seen from the side, therefore can simply and effectively blade be embedded into the blade installation portion, can improve the solder brazing efficiency of operation, can guarantee bigger solder brazing area simultaneously.
Description of drawings
Fig. 1 is the floor map of one of blade saw for cutting example of the present invention;
Fig. 2 is a directional diagram shown in the A-A line arrow of Fig. 1;
Fig. 3 is Fig. 2 significant points enlarged drawing;
Fig. 4 is that B portion (a) is enlarged drawing among Fig. 1, (b) is its exploded perspective view;
Fig. 5 is the installment state sketch map that the present invention installs to cutting machine;
Fig. 6 is parent metal dish bending stress measurement result figure of the present invention;
Fig. 7 is a measuring method key diagram of the present invention;
Fig. 8 is the installment state sketch map installed to cutting machine of blade saw for cutting in the past;
Fig. 9 is a blade stationary state sketch map among Fig. 8;
Among the figure:
1 ... Blade saw for cutting, 2 ... The parent metal dish, 2a ... The par is installed, 2b ... The segment difference section, 2c ... The blade par; 4 ... Installing hole, 5 ... Cutting machine, 6 ... Recess, 7 ... Blade, 7a ... The front; 7b ... Top end face, 7c～7f installed surface, 7g handguard, 8 ... Protuberance, 9 ... Construction bolt; 10 ... Blade carrier, 11 ... The blade installation portion, h1 ... The height dimension of segment difference section, h2 ... The outstanding size of protuberance.
The specific embodiment
Specify according to drawing below and carry out form of the present invention.
Fig. 1～Fig. 5 is the example that relates to blade saw for cutting of the present invention.Like Fig. 1～shown in Figure 3, blade saw for cutting 1 (being called butcher's saw 1) is provided with discoideus and has formed the parent metal dish 2 of a plurality of lightweights hole 3a, 3b, after the center of this parent metal dish 2 has formed, states to cutting machine 5 installing hole 4 of usefulness is installed.
In addition, parent metal dish 2 has formed the installation par 2a of Rack in the outside of installing hole 4; In this outside that par 2a is installed, formed the segment difference section 2b that is of a size of h1 towards projecting height as anti-cutting machine 5 sides, simultaneously, the outside of 2b has formed blade par 2c in this segment difference section.Then; On parent metal dish 2; Formed from said segment difference section 2b and in it, looked rounded space shape recess 6 sideways; Simultaneously, par 2a and blade par 2c are installed, will be set at parallel (unidirectional plane) with installation par 2a as blade 7 directions (projected direction laterally) of blade through parallel formation.
In addition, on parent metal dise knife sword par 2c, formed the protuberance 8 that a plurality of (among the figure being 10) and installing hole 4 are concentric circles according to certain intervals.As shown in Figure 3; Each protuberance 8 roughly is hemispherical, apart from blade 7 tops apart from more than the size L=15mm, and formed the height of sphere diameter d 1/5～1/3 (1/4 is ideal); Therefore, the outstanding size apart from blade par 2c is set at h2=5～7mm.Outstanding size h2 through protuberance 8 or apart from the setting of size L, of the back, in the rigidity of guaranteeing protuberance 8 itself, suppressed the first-class upwards side of gravelstone and upspring.
And; Outer peripheral edges at said parent metal dish 2---2c top, blade par; Form a plurality of blade carriers (briar tooth) 10 and blade installation portion 11 (with reference to Fig. 1) according to certain intervals, on each blade installation portion 11, fixed the said blade of forming by superhard alloy 7 through solder brazing.At this moment, blade 7 is as shown in Figure 4, has formed front 7a and top end face 7b and 4 installed surface 7c～7f, has formed through the thickness direction both sides at 3 installed surface 7c～7e and has seen the handguard 7g that roughly is the L word shape from the side.In addition, the shape for to each installed surface 7c～7f that should blade 7 has formed concave shape on the said blade installation portion 11.
Said blade 7 is described below and is welded on the blade installation portion 11 of parent metal dish 2 by solder brazing.Promptly; Arrow イ direction according to figure (4) is inserted into blade 7 on the blade installation portion 11 of parent metal dish 2; Therefore; Parent metal dish 2 is sandwiched between a pair of handguard of blade 7, and in this state, the two sides 2d shown in Fig. 4 (b) is fixed by solder brazing respectively on the inner face of 4 installed surface 7c～7f and blade installation portion 11 and 1 couple of handguard 7g and the parent metal dish 2.Therefore, the solder brazing area of blade 7 phase blade installation portions 11 has just significantly enlarged.In addition, be fixed on the blade 7 on the blade installation portion 11 of parent metal dish 2, the part of its handguard 7g is outstanding given size from the two sides of parent metal dish 2, and this is of a size of outstanding size.
The butcher's saw 1 of this formation is produced through following operation.Promptly; At first, behind the ram extrusion processing parent metal dish blank (raw material of carbon steel plate etc.), be formed with the said installation par 2a of installing hole 4; With segment difference section 2b, blade carrier 10, blade installation portion 11 and the blade par 2c that is provided with lightweight hole 3a, 3b and protuberance 8.When extrusion process; As shown in Figure 2, each size of said recess 6 is set as follows: the R of blade par 2c side is that R1=4～10mm (5mm is ideal), the R that par 2a side is installed are that the diameter of R2=5～15mm (6mm is ideal), installation par 2a is that the diameter of Φ 1=85mm, recess 6 is Φ 2=125mm etc.Through the setting of these sizes,, and can suppress vibration or the swing of blade par 2c even the parent metal dish blank that extrusion process is made up of carbon steel plate etc. also can prevent cracking of recess 6 parts etc.
After processing parent metal dish blank has been made parent metal dish 2, for example this parent metal dish 2 is quenched the heat treatment of annealing simultaneously through the high-frequency induction heating.Therefore when this heat treatment, parent metal dish 2 carries out under the heating and pressurizing state, can prevent to install the reflex action of par 2a and blade par 2c etc., installation par 2a and blade par 2c that formation is parallel to each other.The heat treatment of parent metal dish 2 for example, is carried out surface treatment through bead after finishing, and for example through the high-frequency induction heating blade 7 is welded on each blade installation portion 11 of parent metal dish 2.
Then, the grinding of front 7a, top end face 7b and two sides etc. through carrying out blade 7 and fine finishining are handled, and make butcher's saw 1.Promptly; Said butcher's saw 1 is before solder brazing welding blade 7, under the heating and pressurizing state, parent metal dish 2 heat-treated, therefore; Can prevent to install par 2a and the 2c reflex action of blade par through resilience, and par 2a can be installed is parallel state with blade par 2c.
The butcher's saw 1 that constitutes like this is as shown in Figure 5, stops cover plate 5c, presses blue 5d of sawing and construction bolt 9 to be installed in holding on the blue 5b of sawing as the rotating drive shaft 5a top of cutting machine 5 through saw cut.During installation; The installed surface 2a of butcher's saw 1 is snapped on the face that holds the blue 5b of sawing of cutting machine 5, and then construction bolt 9 is positioned at the recess 6 of butcher's saw 1, at this moment; According to the height dimension h1 of segment difference section 2b, the head of construction bolt 9 is arranged in recess 6 can not be projected into the outside (Fig. 5 is the below).
In addition; The width of the installation par 2a of butcher's saw 1 (effectively par width, be said size Φ 1) given size set than cutting machine 5 to hold the blue 5b external diameter of sawing big, par 2a is installed forms the state that fits tightly with the flange face integral body of holding the blue 5b of sawing.Under this installment state, make cutting machine 5 action rotating knife blade saws 1, the blade 7 on this 2c top, blade par will become the state that slightly at right angles gets into weedtree etc. so, thereby can successfully cut off weedtree etc.
Fig. 6 is the bending stress measurement result figure that shows parent metal dish 2 on the said butcher's saw 1.As shown in Figure 7; At this moment bending stress measuring method is following; For the measurement test piece S1 of the said parent metal dish 2 of present patent application invention and the measurement test piece S2～S5 of the tabular parent metal dish that 4 kinds do not have segment difference section 2b; The outer peripheral edges of each test piece S1～S5 are placed on the circular brace table 13, and with each measure test piece S1～S5 be fixed on utilize its installing hole 4 can access regulation test power (unit: diameter thousand newton) is the lower end of the anchor clamps 14 of 70mm.Then, the test power that makes anchor clamps 14 descends when changing, according to each pilot strength measurement measure the stroke (deflection) of test piece S1～S5.
As shown in Figure 6, find according to its result: for example, relatively stroke (deflection) is the test power of 1.2mm, and the measurement test piece S1 of present patent application invention compares other and measures test piece S2～S5 so, needs about bigger test power more than 3 times.That is to say; The parent metal dish 2 of present patent application invention (measuring test piece S1) is compared does not have the tabular of segment difference section 2b parent metal dish (measurement test piece S2～S5); Its bending stress significantly improves, for example, and phenomenons such as resonance in the time of can effectively suppressing to rotate at a high speed or swing.
Like this; According to said butcher's saw 1, parent metal dish 2 possesses installs par 2a and segment difference section 2b and blade installation portion 2c, is installed to 5 last times of cutting machine in that par 2a will be installed through construction bolt 9; The height dimension h1 of segment difference section 2b sets greatlyyer than the outstanding size of this construction bolt 9; So the recess 6 that on the 2a of the installation par of parent metal dish 2, forms through segment difference section 2b can be protected construction bolt 9 and reduce the wearing and tearing or the distortion of head through this recess 6, butcher's saw 1 is installed on the cutting machine 5 or when cutting machine 5 is pulled down butcher's saw 1; The rotary manipulation construction bolt 9 well, therefore can successfully carry out the replacing operation of butcher's saw 1.
In addition; Influence the blade par 2c and the parallel setting of installation par 2a of cutting performance, therefore, the same with usual model; As the blade 7 of blade with install between the par 2a (to the installed surface that cutting machine 5 is installed) and have angle; Can prevent that blade 7 from getting into weedtree etc. sideling, can make blade 7 slightly at right angles get into weedtree etc., thereby make butcher's saw 1 easily obtain good cutting performance.
In addition; Because on the 2c of the blade par of parent metal dish 2; Formed a plurality of protuberances 8 according to certain intervals, thus during cutting operation through making these protuberance 8 kiss the earths prevent blade 7 direct kiss the earths, thereby can prevent that blade 7 from entering into the first-class downside of gravelstone; The present invention can not only suppress the phenomenon of upspringing in the first-class upwards side of gravelstone that blade 7 causes, can also through protuberance 8 itself with the first-class back side of gravelstone (ground plane) at parent metal dish 2 forwards or the side eject.Consequently can prevent because of gravelstone is first-class upwards when the cutting operation that causes is upspring by the side personal injury etc., the security in the time of can improving cutting operation.
Particularly since the outstanding size h2 of protuberance 8 or apart from size L all according to aforementioned content setting; Therefore can cut off weedtree etc. conscientiously at suitable height and position through blade 7; And keep certain cutting performance well, also can really prevent the first-class upwards square phenomenon of upspringing of gravelstone that blade 7 causes simultaneously.In addition, protuberance 8 relative 3～5 blades 7 form 1, and therefore the number with protuberance is set at optimal number, and can obtain satisfying simultaneously the butcher's saw of security and cutting performance easily.
In addition; The height dimension of protuberance 8 is set at 1/5～1/3 of sphere diameter d; Therefore can guarantee to make protuberance itself to have enough rigidity, thereby can prevent its distortion, simultaneously; Number through protuberance 8 is set, and can make the vibration of operator's imperceptible protuberance 8 that contacts with ground from the rotation through parent metal dish 2 when cutting operation as far as possible.In addition, can further improve the operation property and the security of cutting operation, for example, can reduce the rotating shaft part that weeds etc. are wound into cutting machine 5, or can make through recess 6 that gravelstone is first-class to splash to the side etc. through segment difference section 2b.
And, owing to formed handguard 7g respectively in the both sides of blade 7 thickness directions, therefore through handguard 7g can increased blade 7 phase blade installation portions 9 the solder brazing area; Significantly improved the constant intensity of blade 7 and can suppress it and come off; Simultaneously, for example, can itself guarantee enough big front 7a at blade 7; Thereby skive blade 7 etc. can be controlled the decline of butcher's saw 1 cutting performance and prolong its life-span once more.
In addition, see from the side that the handguard 7g of blade 7 slightly is the L word shape; Therefore can inlay like a cork on the blade installation portion 9 of blade 7, simultaneously, roughly identical with parent metal dish 2 through the size of space between a pair of handguard 7g is set for; Fundamentally determine the position relation of blade 7 and parent metal dish 2; Can be simply and set outstanding size etc. effectively, the efficient of solder brazing operation or grinding operation etc. can be improved, and the cost of butcher's saw 1 can be made every effort to reduce.
In addition; Butcher's saw 1 is behind punch process parent metal dish blank; Operation through par 2a and segment difference section 2b and blade par 2c be shaped to be installed, heat treatment in the operation of the parent metal dish 2 that this operation obtains, after this heat treatment, blade 7 to be carried out the operation etc. of solder brazing produced, therefore can easily and with less cost obtain: can protect construction bolt 9 minimizing heads wearing and tearing etc., can carry out the replacing operation to cutting machine 5, the reflex action that can prevent blade par 2c, butcher's saw 1 that cutting performance is good smoothly.
Particularly when the extrusion process of parent metal dish blank; The R size R1 of recess portion 6, R2 etc. are set at aforementioned dimensions,, also can prevent to add recess 6 cracking in man-hour etc. even parent metal dish blank uses like this is carbon steel plate; Can do one's utmost to control the cost rising of parent metal dish 2; Simultaneously, through under the heating and pressurizing state, heat-treating, par 2a will be installed be set at parallel with blade par 2c; Therefore can be easily and guarantee to install the depth of parallelism between par 2a and the blade par 2c conscientiously, can produce the better butcher's saw 1 of cutting performance with cheap price.
In addition, in said example, blade 7 has formed 4 installed surface 7c～7f, but the present invention is not limited thereto, also can be the form that the installed surface more than 2 is arranged and be respectively equipped with handguard 7g in its both sides.In addition, in said example, installation par 2a and the completely parallel situation of blade par 2c have been described, but installation of the present invention par 2a and blade par 2c can be almost parallels, as long as can omit rectangular entering weedtree etc.And; In said example; The width of the installation par 2a of the number of blade installation portion 11 or shape, parent metal dish 2 or the height dimension h1 of segment difference section 2b etc. all are examples, in the scope that does not break away from the aim of each invention among the present invention, can adopt appropriate structures.
The present invention can be applicable on the outer peripheral edges of discoideus parent metal dish, blade has been installed, and is used to cut all blade saw for cutting of weeds etc.
Claims (7)
1. blade saw for cutting; It is characterized in that; Outer peripheral edges at discoideus parent metal dish have formed the blade installation portion; And through solder brazing the blade saw for cutting be provided with front and top end face and stationary plane is installed at this blade installation portion, said parent metal dish is equipped with following structure: the heart has partly formed the installation par of the installing hole that is used to be installed on the cutting machine therein; And the segment difference section of outside to form to the side-prominent state of anti-cutting machine of par is installed at this; And in the outside of this segment difference section, towards the outer peripheral edges direction of parent metal dish, the blade par that extends in parallel with said installation par; When being installed to said installation par on the cutting machine through construction bolt; The height setting of said segment difference section must be bigger than the outstanding size of this construction bolt; Simultaneously; On said blade par, formed a plurality ofly to the side-prominent protuberance that is the spherical crown shape of anti-cutting machine, this protuberance and said installing hole are concentric circles.
2. blade saw for cutting according to claim 1 is characterized in that, described protuberance is 1/5～1/3 of sphere diameter with respect to the outstanding 5～7mm that is of a size of of blade par.
3. blade saw for cutting according to claim 1 and 2 is characterized in that, said protuberance forms 1 near 3～5 adjacent blades.
4. blade saw for cutting according to claim 1 and 2 is characterized in that, has formed handguard respectively in the thickness direction both sides of said blade stationary plane.
5. blade saw for cutting according to claim 4 is characterized in that said handguard is seen as the L word shape from the side.
6. blade saw for cutting according to claim 3 is characterized in that, has formed handguard respectively in the thickness direction both sides of said blade stationary plane.
7. blade saw for cutting according to claim 6 is characterized in that said handguard is seen as the L word shape from the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102244144A CN101927505B (en) | 2010-07-09 | 2010-07-09 | Blade saw for cutting and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102244144A CN101927505B (en) | 2010-07-09 | 2010-07-09 | Blade saw for cutting and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101927505A CN101927505A (en) | 2010-12-29 |
| CN101927505B true CN101927505B (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102244144A Expired - Fee Related CN101927505B (en) | 2010-07-09 | 2010-07-09 | Blade saw for cutting and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101927505B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535203A (en) * | 2013-11-08 | 2014-01-29 | 南京林业大学 | Circular saw blade and cutter for shrub stumping |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212118A (en) * | 1997-09-22 | 1999-03-31 | 株式会社井本 | Circular saw blade |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS541369Y2 (en) * | 1973-11-29 | 1979-01-22 | ||
| JPH04159096A (en) * | 1990-10-18 | 1992-06-02 | Spragelse Mas Fab As | Rotating cutter |
| JPH11146720A (en) * | 1997-11-14 | 1999-06-02 | Yoshihiko Fujii | Chip saw |
| US6925718B2 (en) * | 1999-09-22 | 2005-08-09 | Andreas Stihl Ag & Co. | Tool head |
-
2010
- 2010-07-09 CN CN2010102244144A patent/CN101927505B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1212118A (en) * | 1997-09-22 | 1999-03-31 | 株式会社井本 | Circular saw blade |
Non-Patent Citations (3)
| Title |
|---|
| JP平4-159096A 1992.06.02 |
| JP昭和50-83228U 1975.07.17 |
| JP特开平11-146720A 1999.06.02 |
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| Publication number | Publication date |
|---|---|
| CN101927505A (en) | 2010-12-29 |
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