CN205129076U - Power saw - Google Patents
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- CN205129076U CN205129076U CN201520943529.7U CN201520943529U CN205129076U CN 205129076 U CN205129076 U CN 205129076U CN 201520943529 U CN201520943529 U CN 201520943529U CN 205129076 U CN205129076 U CN 205129076U
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- abrasive disc
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- cutting
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Abstract
The utility model discloses a power saw, encircle including base member and at least two chain on the base member border, be provided with the cutting knife that is used for the cutting on the chain, two at least chains arrange side by side on the base member border. The utility model discloses surrounding setting up two chains on the border of base member, and arranging side by side, when power saw operate, two chains are syntropy or adversive movement, rotation simultaneously, realizes the purpose of cutting through the cutting knife on the chain, during the incision of this power saw cutting broad, cut simultaneously through the cutting knife on two chains, power is sufficient, prevents that card extremely, and two chains operate respectively, do not need very big drive power just can accomplish the cutting. Thereby the utility model discloses cutting through the bi -directional motion realization of two chains when the incision broad of cutting and comparing single the one -way purpose of cutting the drive that realizes more easily, significantly reduces and doing all can and can realize cutting of chain, save material reduces the cost.
Description
Technical field
The utility model relates to saw field, in particular, relates to a kind of power saw.
Background technology
Existing saw kind is many, has manual saws and power saw; Wherein, in civil engineering projects, often need the cutting that professional power saw has come large-scale structures or rock, thus rid prevent the objects such as cave-in accident.This power saw cuts timber, building stones, steel etc. by the pointed tooth on edge.
In prior art, (application number is Chinese invention patent: 201110344930.5) disclose a kind of Pneumatic chain saw, and this Pneumatic chain saw comprises chain saw, air compressor, means for protecting power device when water-break, pressure bucket.Air compressor provides power resources to rotate to chain saw; be provided in the cooling water in the course of work by pressure bucket simultaneously; while voltage band engine-driven air compressor provides pressure-air to chain saw, pressure bucket exports cooling water and flushing water; chain saw is made up of, for the fly-cutting in mine header board, rear plate, chain saw, chain guide, guide plate bracket, driving wheel, driven pulley, air motor, flow speed control valve, protection switch, cooling water connector, handle, hand handle.This Pneumatic chain saw structure is simple, operating efficiency is high, security good.
(application number is Chinese invention patent: 201310341563.2) disclose a kind of saw stone chain, it comprises in some anti-bounce-backs arranged in a uniform leads tooth, top between tooth is led and bottom has been arranged alternately brace and bending brace respectively in adjacent two anti-bounce-backs, the sidepiece of bending brace is fixed with cutter tip, leads tooth and brace that up and down both sides are arranged alternately becomes chain structure with bending brace by rivet interlacement in described anti-bounce-back.The saw stone chain structure of this patent of invention is firm, have employed the frame mode of brace and the cooperation of bending brace, bending brace is bent into the fixed head that two are mutually right angle, be respectively base plate and cutter head fixed head, base plate by rivet with lead tooth in anti-bounce-back and be connected, cutter head fixed head fixes cutter tip by chuck, reinforcement of weld is passed through on the limit that cutting crop contacts with cutter head fixed head, not only ensure that the intensity of cutter tip but also the hardness of brace is improved, and be convenient to maintenance and tool changing head, service life is extended greatly.
Existing power saw is all around a chain on the edge of its matrix, and is fixedly connected with cutter on this chain, is rotated by this chain of power drive of this power saw, and makes the cutter on chain realize cutting by the rotation of chain.For the power saw of cutting rock etc., in cutting process, the power of demand is large.Need during the wider otch of cutting to be equipped with the larger cutter of width for needing, thus the corresponding increase of the width of chain, the power of demand also increases greatly.If be short of power, easily stuck in cutting process, cannot cut, if power is sufficient, then requires higher to the entirety of power saw, so just considerably increase the cost of power saw.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of power saw being more convenient to cut.
The purpose of this utility model is achieved through the following technical solutions:
A kind of power saw, comprise matrix and at least two chains be looped around on described matrix edge, described chain is provided with the cutter for cutting, at least two described chains are arranged side by side on described matrix edge.
Preferably, when described chain is two, the direction of motion of two described chains is contrary.This is a kind of concrete scheme that the utility model arranges chain, puts two chains in the edge pressed on ring winding of matrix, and these two chains are arranged side by side; When power saw works, the power of power saw drives this two chains simultaneously, makes these two chains move in the opposite direction, rotate.Use this chain when at actual cutting rock, the chain that two direction of rotation are contrary rotates simultaneously and cuts rock, and stronger to the damage capability of cut point like this, cutting effect is better.But it is also feasible that two chains move in the same direction.
Preferably, described power saw also comprises setting abrasive disc on the matrix, for the cut surface of described cutter cutting of polishing.In prior art, when cutting rock, first cut out otch by the rotation of chain, and continue cutting along otch, upon completion of the cutting procedure, also need carry out grinding process separately through milling tools to the cut surface of otch both sides; And power saw of the present utility model is when cutting by chain, also by the abrasive disc on matrix, cut surface being polished simultaneously, using reaming principle to realize limited polishing amount.Need not be used alone milling tools again to polish to cut surface, polishing mode is simple, convenient, easily realizes.In addition, cut time can use useful target high frequency direction vibration, produce larger vibration, if be used alone milling tools after having cut again to polish to cut surface and also can produce larger vibration, easy to cut surface like this, even larger damage is caused to rock itself, easily destroy cut surface or extension.And the utility model also achieves the polishing to cut surface in vibration processes, thus prevent from again producing vibration because polishing separately and causing damage to cut surface.
Preferably, described abrasive disc is dismountable fixes on the matrix.Abrasive disc is conveniently fixed from matrix dismounting or installation by dismountable for abrasive disc being fixed on matrix, once abrasive disc needs replacing, abrasive disc can be dismantled and change applicable abrasive disc.
Preferably, described matrix is provided with the dovetail groove for placing described abrasive disc.Matrix arranges the convenient installation of dovetail groove, dismounting abrasive disc.
Preferably, the both sides of described matrix are respectively arranged with described abrasive disc.In the both sides of matrix, abrasive disc is set respectively, respectively two cut surfaces cut out is polished by the abrasive disc of matrix both sides when power saw cuts, the disposable object completing cutting and polishing.
Preferably, described abrasive disc comprises corase grind sheet and fine grinding sheet.Can selecting with corase grind sheet according to demand or use fine grinding sheet, certainly, also can first polishing by re-using fine grinding sheet after the polishing of corase grind sheet.
Preferably, described corase grind sheet and fine grinding sheet are arranged on the same face of described matrix.This is the concrete mode of one of abrasive disc polishing.
Preferably, the one side of described matrix is arranged described corase grind sheet and fine grinding sheet, the another side relative with the one side of described matrix is also provided with described corase grind sheet and fine grinding sheet.This is the another kind of mode of abrasive disc polishing.
Preferably, when described corase grind sheet and fine grinding sheet are all fixed on described matrix, the height that described corase grind sheet protrudes from the part on described matrix protrudes from the height of the part on described matrix less than or equal to described fine grinding sheet, described corase grind sheet compares fine grinding sheet near described chain cut direction.In such cutting process, first by corase grind sheet, primary polishing is carried out to cut surface, continue cutting fine grinding sheet again corase grind sheet is polished after cut surface further polish.Respectively cut surface is polished by corase grind sheet and fine grinding sheet like this, make polishing effect better.
Preferably, described abrasive disc is arcuate structure.This is a kind of concrete structure of abrasive disc, and the abrasive disc polishing area of arcuate structure is large, better effects if.
Preferably, described abrasive disc is arranged near described matrix edge.This is the concrete mode of one arranging abrasive disc position, arranges abrasive disc polishing area so large, better effects if.
Preferably, the two ends of described abrasive disc are positioned at the position of center line of described matrix.This is the concrete mode of one arranging abrasive disc end position, arranges like this and facilitates abrasive disc to polish.
Preferably, described matrix surface is protruded from for the position of polishing when described abrasive disc is fixed in described dovetail groove on described abrasive disc.Only protrude from matrix surface on abrasive disc for the part of polishing, so that the part of polishing is polished to cut surface; And prevent other position male on abrasive disc from increasing matrix thickness for matrix surface.
Preferably, described power saw also comprises setting silencing means on the matrix.Power saw produces larger noise in cutting process, causes very large impact to surrounding environment, can be reduced noise by this silencing means, even be abated the noise, thus prevents from having influence on surrounding environment at use power saw.
Preferably, described silencing means comprises and arranges bloop on the matrix.Bloop is used for noise reduction, simple, convenient, and erasure effect directly, effectively.
Preferably, described bloop is multiple, arranges according to preset rules.Multiple bloop erasure effect is better.
Preferably, described bloop is multiple, varying in size of described multiple bloop.Multiple bloop size arranges difference, makes erasure effect better, can not empathize.
Preferably, described silencing means is arrange muffler on the matrix.This reduces the another kind of mode of noise, matrix installed muffler for noise reduction, easily realizes, effective.
Preferably, described power saw also comprises the driving mechanism be arranged in described matrix, and described driving mechanism is connected with described abrasive disc, for driving described abrasive disc.This is the another kind of mode of being polished to cut surface by abrasive disc, and driving mechanism drives abrasive disc to make abrasive disc produce motion thus, and the polishing effect of such abrasive disc to cut surface is better.
Preferably, described driving mechanism is connected with described abrasive disc one end, and the described abrasive disc other end is connected with elastic component; The elastic component described in described abrasive disc forced compression when described driving mechanism drives described abrasive disc; When the active force of described driving mechanism disappears from described abrasive disc, described elastic component stretches and described abrasive disc is moved.This is the concrete mode of one that driving mechanism drives abrasive disc motion, is more convenient to abrasive disc moves by the driving of driving mechanism and the telescopic action of elastic component, makes better effects if of polishing.
Preferably, described driving mechanism comprises central shaft and the driving lever that is fixed on described central shaft and cam, and described driving lever and cam can move back and forth on described central shaft, and described driving lever is fixedly connected with abrasive disc.Driving lever is fixedly connected with one end of abrasive disc, and camming movement makes driving lever move thereupon, and then drives grinding disc to move by driving lever, realizes the object of polishing.
Preferably, described abrasive disc is provided with the locating hole passed for pin, described matrix is provided with the sliding eye passed for described pin, described pin can move in described sliding eye.Realize location by pin to abrasive disc, restriction abrasive disc moves in the movement direction, prevents abrasive disc from moving in the other direction or prevents abrasive disc bias motion direction.In addition, pin also plays fastening effect to abrasive disc.
Preferably, described elastic component is spring.The good springiness of spring, is convenient to stretch.
Preferably, described cam is positioned at described driving lever root.This is the concrete mode of one arranging cam position, makes cam and driving lever be disposed adjacent like this, makes the control effects of cam to driving lever better.
Preferably, described driving mechanism also comprises the balancing pole being arranged on described driving lever root, forms angle between described balancing pole and driving lever, and the scope of described angle is greater than zero degree, is less than or equal to 90 degree.The effect that balancing pole plays balance being set, making cam keep when moving whole driving mechanism to stablize.In addition, balancing pole also plays the effect limiting camming movement.Prevent the movement locus of cam from offseting.
Preferably, described cam is between described driving lever and balancing pole.Cam is arranged between driving lever and balancing pole, not only make cam good to the control effects of driving lever, and the balanced action that balancing pole plays whole driving mechanism is better.
Preferably, described driving mechanism also comprises the travelling gear be arranged on described central shaft, described travelling gear
Preferably, described driving mechanism also comprises the fixed bar being arranged on described driving lever root, and described fixed bar is fixedly connected with matrix.Driving mechanism is fixedly connected with matrix by fixed bar, makes driving mechanism fixation, normally works.
Preferably, described matrix is provided with louvre.Louvre is used for heat radiation, plays a protective role to matrix.
The beneficial effects of the utility model are: the utility model puts two chains in the edge pressed on ring winding of matrix, and is arranged side by side, when power saw operates, two chains simultaneously in opposite directions or reverse motions, rotation, realized the object of cutting by the cutter on chain; When this power saw cuts wider or narrower otch, cut by the cutter on two chains, power is sufficient, prevents stuck simultaneously; And two chains operate respectively, do not need very large driving force just can complete cutting.Thus the utility model realizes cutting when the otch cut is wider or narrower by two chains compares single chain and carry out cutting and be more prone to realize, greatly reduce the object that driving force can realize cutting, save material, reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the utility model embodiment one power saw;
Fig. 2 is the enlarged drawing of B in Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the enlarged drawing of A in Fig. 3;
Fig. 5 is the structural representation of the utility model embodiment cutter;
Fig. 6 is the sectional view of Fig. 5;
Fig. 7 is the overall structure schematic diagram of the utility model embodiment two power saw;
Fig. 8 is the view of Fig. 7 in C-C direction;
Fig. 9 is the enlarged drawing of C in Fig. 8;
Figure 10 is the structural representation of the utility model embodiment corase grind sheet;
Figure 11 is the top view of Figure 10;
Figure 12 is the enlarged drawing of D in Figure 11;
Figure 13 is the structural representation of the utility model embodiment fine grinding sheet;
Figure 14 is the top view of Figure 13;
Figure 15 is the enlarged drawing of E in Figure 14;
Figure 16 is the overall structure schematic diagram of the utility model embodiment three power saw;
Figure 17 is the enlarged drawing of F in Figure 16;
Figure 18 is the structural representation of the utility model embodiment three driving mechanism;
Figure 19 is the sectional view of Figure 18 in B-B direction;
Figure 20 is also the structural representation of the utility model embodiment three driving mechanism;
Figure 21 is the structural representation of the utility model embodiment three matrix;
Figure 22 is the top view of Figure 21;
Figure 23 is the enlarged drawing of G in Figure 22;
Figure 24 is the overall structure schematic diagram of the utility model embodiment three power saw;
Figure 25 is the enlarged drawing of H in Figure 24;
Figure 26 is the overall structure schematic diagram of the utility model embodiment three power saw;
Figure 27 is the enlarged drawing of I in Figure 26.
Wherein: 10, power saw; 100, chain; 110, chain is rotated forward; 120, reverse chain; 130, cutter; 131, cutter are rotated forward; 132, reverse cutter; 133, drive hole; 134, chain cylindrical void; 135, cutter head; 136, cutter root; 200, matrix; 210, dovetail groove; 211, the first dovetail groove; 212, the second dovetail groove; 220, driving lever groove; 230, spring groove; 240, sliding eye; 250, chain; 251, the first chain; 252, the second chain; 300, abrasive disc; 310, sheet is roughly ground; 311, the first hole; 312, locating hole; 313, the second hole; 314, the first grinding head; 320, fine grinding sheet; 321, the 3rd hole; 322, locating hole; 323, the 4th hole; 324, the second grinding head; 400, driving mechanism; 410, driving lever; 411, the first driving lever; 412, the second driving lever; 413, balancing pole; 420, cam; 430, central shaft; 440, fixed bar; 450, travelling gear; 460, brace; 500, elastic component; 600, bloop; 700, louvre.
Detailed description of the invention
The utility model discloses a kind of power saw, and comprise matrix and at least two chains be looped around on described matrix edge, described chain is provided with the cutter for cutting, at least two described chains are arranged side by side on described matrix edge.The utility model is for cutting rock, and certainly, power saw of the present utility model is not limited to cutting rock, all right cutting metal etc.The utility model puts two chains in the edge pressed on ring winding of matrix, and is arranged side by side, and when power saw operates, namely power saw is when cutting rock, and two chains move simultaneously, rotate, and is realized the object of cutting by the cutter on chain; When this power saw cuts wider otch, cut by the cutter on two chains, power is sufficient, prevents stuck simultaneously; And two chains operate respectively, do not need very large driving force just can complete cutting.Thus the utility model realizes cutting when the otch cut is wider by two chains compares single chain and carry out cutting and be more prone to realize, greatly reduce the object that driving force can realize cutting, save material, reduce cost.
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
In description of the present utility model, it will be appreciated that, term " " center ", " transverse direction ", " on ", D score, "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.In addition, term " comprises " and any distortion, and intention is to cover not exclusive comprising.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The utility model discloses a kind of power saw, as shown in Fig. 1 to 27, this power saw 27 can provide power by electricity, also can provide power by compressor etc., and the present embodiment preferably makes electricity consumption provide power for power saw.
This power saw 10 includes power source (not shown), matrix 200 and at least two chains 100 be looped around on described matrix edge, described chain is provided with the cutter 130 for cutting, can be cut rock etc. by these cutter 130, the present embodiment is described for cutting rock, but these cutter 130 are not limited to cutting rock.At least two described chains are arranged side by side on described matrix 200 edge.
Wherein, as shown in Figures 1 to 6, as the preferred version of the present embodiment, and see Fig. 7-27, the chain 100 of the present embodiment preferably adopts two, and put two chains in the edge pressed on ring winding of matrix 200, these two chains are arranged side by side; And power source provides rightabout power for two chains, thus make the direction of motion of two chains contrary, the direction of rotation of two chains is contrary in other words.
Concrete, see Fig. 4, these two chains rotate forward chain 110 and reversion chain 120 as shown in Figure 4.When power saw 10 works, the power source of power saw 10 drives this two chains simultaneously, makes these two chains move in the opposite direction, rotate.Use this chain when at actual cutting rock, the chain that two direction of rotation are contrary rotates simultaneously and cuts rock, and stronger to the damage capability of cut point like this, cutting effect is better.
But it is also feasible that two chains move in the same direction, and the effect increasing and destroy rock can be played equally.Certainly, according to the needs in actual cutting process, can around, the chain of be arranged side by side 3 chains, 4 chains or other numbers on the edge of matrix.
Wherein, the movement velocity of the present embodiment two chains is identical, makes the cutting effect of two chains better like this.Then, can according to the needs of reality cutting, the movement velocity that can arrange two chains is different, and such as, the movement velocity of a chain is fast, and the movement velocity of a chain is slow.Or two the direction of motion of chain is identical, movement velocity is different.
Need to illustrate, for a person skilled in the art, two chains speed that is identical or contrary in the direction of motion, motion identical or different or other etc. any combination all in protection domain of the present utility model.And many chains are identical or contrary in the direction of motion, the speed of motion is identical or different or other etc. any combination all in protection domain of the present utility model.
As shown in Figure 5 and Figure 6, cutter 130 are provided with chain cylindrical void 134, chain 100 is serially connected with multiple cutter 130 through this chain cylindrical void 134.Cutter 130 one end arranges cuspidated cutter head 135, and the other end is provided with cutter root 136; This tip is ramped shaped, facilitates cutting rock like this.Wherein, drive hole 133.See Fig. 2, cutter head 135 tip direction rotating forward the cutter 130 on chain 110 and reversion chain 120 is contrary, to cut.
Wherein, the edge of matrix 200 is provided with two identical chains 250 for installing fixing chain 100, this chain 250 is respectively the first chain 251 and the second chain 252, wherein, first chain 251 is installed the fixing applicable chain 110 that rotates forward of chain 110, first chain 251 that rotates forward and is arranged; Second chain 252 is arranged for installing the applicable reversion chain 120 of fixing reversion chain 120, second chain 252.See Figure 23, form dividing plate between the first chain 251 and the second chain 252, the thickness of this dividing plate is little, so that two chains are convenient to cutting more when cutting.
As preferred embodiment of the present utility model, as shown in Fig. 8 to 15, and see Fig. 1 to 7 and Figure 16 to 27, the matrix 200 of the power saw 10 of the present embodiment is provided with abrasive disc 300, the cut surface that described abrasive disc 300 cuts out for cutter 130 of polishing.In prior art, when cutting rock, first cut out otch by the rotation of chain, and continue cutting along otch, upon completion of the cutting procedure, also need carry out grinding process separately through milling tools to the cut surface of otch both sides; And power saw of the present utility model is when cutting by chain, also being polished to cut surface by the abrasive disc on matrix simultaneously, need not be used alone milling tools again and polishing to cut surface, polishing mode is simple, convenient, easily realizes.In addition, cut time can produce larger vibration, cut surface polished also can produce larger vibration if be used alone milling tools after having cut again, easy to cut surface like this, even larger damage is caused to rock itself, easily destroy cut surface or extension.And the utility model also achieves the polishing to cut surface in vibration processes, thus prevent from again producing vibration because polishing separately and causing damage to cut surface.
Wherein, as a kind of scheme of the present embodiment: the edge of matrix 200 is surrounded with two chains 100 (rotating forward chain 110 and reversion chain 120).But the chain only putting a chain or other numbers in the edge pressed on ring winding of matrix is also fine.Two sides of matrix 200 are fixedly connected with this abrasive disc 300 respectively, in the both sides of matrix, abrasive disc is set respectively, respectively two cut surfaces cut out are polished by the abrasive disc 300 of matrix 200 both sides when power saw 10 cuts, the disposable object completing cutting and polishing, simple, convenient.But, only abrasive disc is set on a side of matrix and is also fine, according to actual needs, polish iff the cut surface needed cutting mouth, then only only on a side of matrix, abrasive disc can be set to polish.
Concrete, see Figure 21, matrix 200 is provided with the dovetail groove 210 for placing described abrasive disc 300, matrix arranges the convenient installation of dovetail groove, dismounting abrasive disc, and certainly, the groove arranging other structures is also fine for placing abrasive disc.This abrasive disc is positioned over the position for polishing on this abrasive disc 300 in dovetail groove, and namely grinding head protrudes from the side surface of matrix to polish.And such setting also prevents other position male on abrasive disc from increasing matrix thickness for matrix surface.
Wherein, the abrasive disc 300 that the side of matrix 200 is arranged can be corase grind sheet 310, also can be fine grinding sheet 320, certainly, also can be that corase grind sheet 310 and fine grinding sheet 320 are all arranged on the side of matrix.
The present embodiment is preferably provided with corase grind sheet 310 and fine grinding sheet 320 on the same side of matrix 200, the one side of then described matrix 200 arranges described corase grind sheet and fine grinding sheet, the another side relative with the one side of described matrix is also provided with described corase grind sheet and fine grinding sheet.Concrete, when described corase grind sheet 310 and fine grinding sheet 320 are all fixed on described matrix 200, the height that described corase grind sheet 310 protrudes from the part on described matrix 200 protrudes from the height of the part on described matrix 200 lower than described fine grinding sheet 320, described corase grind sheet compares fine grinding sheet near described chain cut direction.In such cutting process, first carry out primary polishing by corase grind sheet 310 pairs of cut surfaces, continue cutting fine grinding sheet 320 again corase grind sheet is polished after cut surface further polish.Respectively cut surface is polished by corase grind sheet and fine grinding sheet like this, make polishing effect better.Certainly, the height that the height of the part that described corase grind sheet 310 protrudes from described matrix 200 equals the part that described fine grinding sheet 320 protrudes from described matrix 200 is also fine, and just effect is not as above-mentioned preferred scheme.
Wherein, the height that described corase grind sheet 310 protrudes from the part on described matrix 200 protrudes from the height of the part on described matrix 200 lower than described fine grinding sheet 320, be that the thickness protruding from the second grinding head 324 of matrix side due to fine grinding sheet 320 is greater than the thickness that corase grind sheet 320 protrudes from the first grinding head 314 of matrix side.Certainly, the thickness of the first grinding head and the second grinding head also can arrange identical by the present embodiment, then the degree of depth that the first dovetail groove 211 being used for placing corase grind sheet is arranged is greater than the degree of depth of the second dovetail groove 212 for placing fine grinding sheet.So also can realize the height that fine grinding sheet protrudes from the part of matrix surface and be greater than the height that corase grind sheet protrudes from the part of matrix surface.But other modes arrange and are also fine.
Matrix 200 is provided with multiple sliding eye 240 in dovetail groove 210 position, corresponding, abrasive disc is provided with locating hole corresponding with it, thus positioning action is played to abrasive disc.Concrete, corase grind sheet 310 and fine grinding sheet 320 are respectively arranged with the first locating hole 312 and the second locating hole 313, multiple sliding eye is corresponding with the first locating hole and corresponding with the second locating hole respectively, thus be each passed through sliding eye and the first locating hole by pin and will roughly grind sheet location, and pin is each passed through sliding eye and the second locating hole and is located by fine grinding sheet, thus make corase grind sheet and fine grinding sheet fixed effect better.
Wherein, to further improvement of this embodiment, corase grind sheet and fine grinding sheet are disposed adjacent.Such corase grind sheet 310 is polished by fine grinding sheet 320 after polishing subsequently, and scuff sand booth is every short, and effect is better.Certainly, also corase grind sheet can be separated setting with fine grinding sheet.
Wherein, to further improvement of this embodiment, described abrasive disc 300 is dismountable to be fixed on described matrix 200, and concrete, abrasive disc is dismountable to be inserted in dovetail groove, and dovetail groove facilitates insertion and the taking-up of abrasive disc.Abrasive disc is conveniently fixed from matrix dismounting or installation by dismountable for abrasive disc being fixed on matrix, once abrasive disc needs replacing, abrasive disc can be dismantled and change applicable abrasive disc.Certainly, abrasive disc also can be fixed on matrix by other dismountable modes by the present embodiment, or direct being fixed on matrix by abrasive disc is also fine.
In the present embodiment, described abrasive disc 300 is arcuate structure.This is a kind of concrete structure of abrasive disc, and the abrasive disc polishing area of arcuate structure is large, better effects if.Certainly, be arranged to other structures and be also fine, such as string configuration.
In the present embodiment, described abrasive disc 300 is arranged near described matrix 200 edge.This is the concrete mode of one arranging abrasive disc position, arranges abrasive disc polishing area so large, better effects if.Certainly, also abrasive disc can be fixed on other positions.
In the present embodiment, the two ends of described abrasive disc 300 are positioned at the position of center line of described matrix 200.This is the concrete mode of one arranging abrasive disc end position, arranges like this and facilitates abrasive disc to polish.Certainly, other modes also can be had to arrange.
Needs illustrate, for a person skilled in the art, the side of matrix 200 arrange the abrasive disc of any number or the abrasive disc of arbitrary structures and combination thereof all in the protection domain of the present embodiment.
In addition, it should be noted that, for a person skilled in the art, the structure of above abrasive disc is only described in an illustrative manner, and the abrasive disc of other any structures is also all in the protection domain of the present embodiment.
As preferred version of the present utility model: as Figure 18 to 27, and participate in Fig. 1 to 17, described power saw 10 also comprises the driving mechanism 400 be arranged in described matrix 20, and described driving mechanism 400 is connected with described abrasive disc 300, for driving described abrasive disc 300.This is the another kind of mode of being polished to cut surface by abrasive disc, and driving mechanism drives abrasive disc to make abrasive disc produce motion thus, and the polishing effect of such abrasive disc to cut surface is better.
Wherein, described driving mechanism 400 is connected with described abrasive disc one end, and the described abrasive disc other end is connected with elastic component 500; The elastic component 500 described in described abrasive disc forced compression when described driving mechanism 400 drives described abrasive disc 300; When the active force of described driving mechanism disappears from described abrasive disc, described elastic component stretches and described abrasive disc is moved.This is the concrete mode of one that driving mechanism drives abrasive disc motion, is more convenient to abrasive disc moves by the driving of driving mechanism and the telescopic action of elastic component, makes better effects if of polishing.
Wherein, described driving mechanism 400 comprises central shaft 430 and the driving lever 410 that is fixed on described central shaft 430 and cam 420, and described driving lever 410 and cam 420 can move back and forth on described central shaft 430, and described driving lever is fixedly connected with abrasive disc.Driving lever is fixedly connected with one end of abrasive disc, and camming movement makes driving lever move thereupon, and then drives grinding disc to move by driving lever, realizes the object of polishing.
Wherein, be fixedly connected with by brace 460 between described driving lever 410 and abrasive disc 300, brace be respectively arranged with two holes, corresponding, driving lever is provided with the driving lever hole corresponding with it, and is fixed by pin; And abrasive disc is provided with the fixing hole corresponding with it, and to be fixed by pin, thus realize being fixedly connected with of abrasive disc and driving lever.
The root of driving lever 410 is provided with the balancing pole 413 corresponding with driving lever 410, and balancing pole 413 plays the effect of balance driving lever 410; Form angle between this balancing pole 413 and driving lever 410, this angle is greater than zero degree, is less than or equal to 90 degree; Preferably, angle selects 45 degree, makes the balanced action of balancing pole 413 so more.Cam 420 is arranged between driving lever and balancing pole, namely cam is positioned at the position of angle, like this after driving lever is fixedly connected with abrasive disc, driving cam 420 rotates towards a direction, cam 420 rotates and drives driving lever 410 to rotate, driving lever 410 presses abrasive disc when rotating, abrasive disc is moved towards elastic component 500 direction, compression elastic piece during abrasive disc motion, continue compression, when elastic component shrinks great efforts, when the driving force of cam no longer can drive driving lever compression elastic piece, the opposition that cam is subject to gravity and elastic component makes cam move round about, at this moment elastic component stretches, abrasive disc moves, after cam arrives certain altitude, the opposition of elastic component fades away, when the inertia force of cam also disappears, move in the direction that cam is driven to first time again by gravity, so just continue to drive driving lever compression to drive abrasive disc and elastic component, thus by cam, driving lever and elastic component to the drived control of abrasive disc, make abrasive disc do reciprocal motion at matrix surface, realize polishing.This is a kind of concrete structure of driving mechanism, certainly, drives abrasive disc motion to be also feasible by other means.
Such as: driving cam 420 carries out circular-rotation towards a direction, at this just to transfer example to, certainly, reversion is also fine.Cam 420 drives driving lever 410 to rotate in circular motion process, driving lever 410 presses abrasive disc when rotating, so just continue to drive driving lever compression or stretch to drive abrasive disc and elastic component to move back and forth, control abrasive disc and elastic component compression by the circular motion controlling cam or stretch, make abrasive disc do reciprocal motion at matrix surface, complete polishing.
In addition, this scheme is rotated towards a direction by driving cam 420, cam 420 rotates and drives driving lever 410 to rotate, driving lever 410 presses abrasive disc when rotating, abrasive disc is moved towards elastic component 500 direction, compression elastic piece during abrasive disc motion, redraws elastic component by first compression elastic piece and drives abrasive disc to move.Certainly, also can be that first draw springs recompression elastic component is to drive abrasive disc.Specifically: driving cam 420 rotates towards another direction, cam 420 rotates and drives driving lever 410 to rotate, and pulls abrasive disc, abrasive disc is moved towards the direction away from elastic component when driving lever 410 rotates, draw springs during abrasive disc motion; When cam rotates backward, by driving lever, abrasive disc is moved towards the direction of elastic component, compression elastic piece during abrasive disc motion, thus realize the reciprocating motion of abrasive disc by the recompression that first stretches of elastic component.
Wherein, abrasive disc has corase grind sheet and fine grinding sheet, corresponding, driving lever 410 includes the first driving lever 411 and the second driving lever 412, first driving lever is fixedly connected with corase grind sheet, and the second driving lever is fixedly connected with fine grinding sheet, and the first driving lever and the second driving lever all arrange cam and balancing pole.Balancing pole plays balanced action, so that the effect of actuated by cams first driving lever and the second driving lever is better.Due to, the two sides of matrix is all provided with abrasive disc, thus the two ends of central shaft 430 are respectively arranged with the first driving lever and the second driving lever, make central shaft two ends balance like this, and then make power saw whole machine balancing effect better, better effects if during cutting.
Wherein, driving mechanism 400 also comprises fixed bar 440, and fixed bar 440 is arranged on the root position place of balancing pole and driving lever, and fixed bar 440 is fixedly connected with matrix 200, thus make driving mechanism 400 stablize, firmly be fixed on matrix, so that driving mechanism drives abrasive disc normally.Matrix is provided with fixing hole, and fixed bar 440 is inserted in fixing hole and cooperatively interacts, thus by spacing for driving mechanism 400 fixing.And matrix 200 is also provided with central shaft hole, for placing central shaft 430, central shaft is inserted in central shaft hole and cooperatively interacts, and makes to be fixedly connected with better effects if between driving mechanism 400 and matrix 200.
Wherein, driving mechanism 400 also comprises the travelling gear 450 be arranged on central shaft 430, and central shaft 430 two ends are respectively arranged with travelling gear 450.
Because matrix 200 is provided with multiple sliding eye 240 in dovetail groove 210 position, abrasive disc is provided with locating hole corresponding with it, thus positioning action is played to abrasive disc.Concrete, corase grind sheet 310 and fine grinding sheet 320 are respectively arranged with the first locating hole 312 and the second locating hole 313, multiple sliding eye is corresponding with the first locating hole and corresponding with the second locating hole respectively, thus be each passed through sliding eye and the first locating hole by pin and will roughly grind sheet location, and pin is each passed through sliding eye and the second locating hole and is located by fine grinding sheet, thus make corase grind sheet and fine grinding sheet fixed effect better.And then make abrasive disc direction of motion in motion process more stable, place abrasive disc and move to other directions.
Wherein, matrix 200 is respectively arranged with the driving lever groove 220 for placing driving lever 410 and the spring groove 230 for placing elastic component 500 at the two ends of dovetail groove 210.Thus make driving lever 410 and elastic component all be positioned at matrix surface, prevent it from protruding from matrix surface.
Wherein, one end of corase grind sheet 310 is provided with the first hole 311, a hole correspondence on this first hole 311 and a brace, and is fixed by pin, realizes being fixedly connected with of corase grind sheet and a brace.The other end of corase grind sheet 310 is provided with the second hole 313, and this second hole 313 is fixedly connected with elastic component 500, prevents elastic component and corase grind sheet from departing from.Wherein, in the middle part of corase grind sheet, three the first locating holes 312 are set, and are evenly arranged, thus make the locating effect roughly grinding sheet better after being coordinated with the sliding eye 240 on matrix by pin.
Wherein, one end of fine grinding sheet 320 is provided with a hole correspondence on the 3rd hole, hole the 321, three 321 and a brace, and is fixed by pin, realizes being fixedly connected with of fine grinding sheet 320 and a brace.The other end of fine grinding sheet 320 is provided with the 4th hole 323, hole the 323, four and is fixedly connected with elastic component 500, prevents elastic component and fine grinding sheet 320 from departing from.Wherein, three the second locating holes 322 are set in the middle part of fine grinding sheet 320, and are evenly arranged, thus make the locating effect of fine grinding sheet 320 better after being coordinated with the sliding eye 240 on matrix by pin.
In the present embodiment, described elastic component 500 is spring.The good springiness of spring, is convenient to stretch.Certainly, also can be other elastic components, such as foam etc.
As further improvement of this embodiment, described power saw 10 also comprises the silencing means be arranged on described matrix 200.Power saw 10 produces larger noise in cutting process, causes very large impact to surrounding environment, can be reduced noise by this silencing means, even be abated the noise, thus prevents from having influence on surrounding environment at use power saw 10.See Fig. 7, Figure 16, Figure 21, Figure 24 and Figure 26, matrix 200 is provided with multiple bloop 600, bloop is used for noise reduction, simple, convenient, and erasure effect directly, effectively.The present embodiment bloop 600 is concrete modes of one of silencing means, certainly, also can have other modes, such as, directly on matrix 200, installs fixing muffler, is realized the object of noise reduction by this muffler, reduce noise and be also fine.But the bloop structure that the present embodiment is directly arranged on matrix 200 simply, easily realizes, compare, on matrix, the object that fixing muffler realizes noise reduction is installed, greatly save material, reduce cost.
Wherein, described bloop 600 is multiple, arranges according to preset rules.Multiple bloop erasure effect is better.The arrangement mode of the present embodiment bloop arranges according to irregular mode, arranges bloop at random like this, and good muffling effect, prevents sympathetic response.Certainly, also regular multiple bloop can be arranged, such as, matrix surface arranges the bloop of same intervals.It should be noted that, to those skilled in the art, other any arrangement modes of bloop are all in the protection domain of the present embodiment.
Wherein, the varying in size of described multiple bloop 600.Multiple bloop 600 size arranges difference, makes erasure effect better, can not empathize.Certainly, it is identical that the plurality of bloop is arranged to size, is also fine.
Wherein, bloop 600 is circular port.Certainly, also can square opening be arranged to, or the hole of other structures.It should be noted that, to those skilled in the art, the size of bloop, structure, position or any combination are all in the protection domain of the present embodiment.
Another improvement as the present embodiment: described matrix 200 is provided with louvre 700, see Fig. 7, Figure 16, Figure 21, Figure 24 and Figure 26, louvre is used for heat radiation, plays a protective role to matrix 200.
Wherein, louvre 700 can arrange one, and also can arrange multiple, the present embodiment preferably arranges two, is all strip structure, certainly, also can be arranged to other structures, and these two louvres are provided separately.
The shape of the matrix more than the utility model in each embodiment can be fan-shaped, semicircle, circular or the star moon shape.But the shape of body of the present utility model is not limited to above several.
It should be noted that, to those skilled in the art, any setting of the number of louvre 700, size, arrangement mode and structure etc. or any combination are all in the protection domain of the present embodiment.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (30)
1. a power saw, comprise matrix and be looped around the chain on described matrix edge, described chain being provided with the cutter for cutting, it is characterized in that, described chain is at least two, is arranged side by side on described matrix edge.
2. a kind of power saw as claimed in claim 1, is characterized in that, when described chain is two, the direction of motion of two described chains is contrary.
3. a kind of power saw as claimed in claim 1, is characterized in that, described power saw also comprises setting abrasive disc on the matrix, for the cut surface of described cutter cutting of polishing.
4. a kind of power saw as claimed in claim 3, is characterized in that, the dismountable fixed installation of described abrasive disc on the matrix.
5. a kind of power saw as claimed in claim 3, is characterized in that, described matrix is provided with the dovetail groove for placing described abrasive disc.
6. a kind of power saw as claimed in claim 3, is characterized in that, the both sides of described matrix are respectively arranged with described abrasive disc.
7. a kind of power saw as claimed in claim 3, is characterized in that, described abrasive disc comprises corase grind sheet and fine grinding sheet.
8. a kind of power saw as claimed in claim 7, is characterized in that, described corase grind sheet and fine grinding sheet are arranged on the same face of described matrix.
9. a kind of power saw as claimed in claim 8, is characterized in that, the one side of described matrix is arranged described corase grind sheet and fine grinding sheet, the another side relative with the one side of described matrix is also provided with described corase grind sheet and fine grinding sheet.
10. a kind of power saw as claimed in claim 9, it is characterized in that, when described corase grind sheet and fine grinding sheet are all fixed on described matrix, the height that described corase grind sheet protrudes from the part on described matrix protrudes from the height of the part on described matrix less than or equal to described fine grinding sheet, described corase grind sheet compares fine grinding sheet near described chain cut direction.
11. a kind of power saws as claimed in claim 3, is characterized in that, described abrasive disc is arcuate structure.
12. a kind of power saws as claimed in claim 11, is characterized in that, described abrasive disc is arranged near described matrix edge.
13. a kind of power saws as claimed in claim 11, is characterized in that, the two ends of described abrasive disc are positioned at the position of center line of described matrix.
14. a kind of power saws as claimed in claim 5, is characterized in that, protrude from described matrix surface when described abrasive disc is fixed in described dovetail groove on described abrasive disc for the position of polishing.
15. as arbitrary in claim 1-14 as described in a kind of power saw, it is characterized in that, described power saw also comprises setting silencing means on the matrix.
16. a kind of power saws as claimed in claim 15, is characterized in that, described silencing means comprises and arranges bloop on the matrix.
17. a kind of power saws as claimed in claim 16, is characterized in that, described bloop is multiple, arranges according to preset rules.
18. a kind of power saws as claimed in claim 16, is characterized in that, described bloop is multiple, varying in size of described multiple bloop.
19. a kind of power saws as claimed in claim 15, is characterized in that, described silencing means is arrange muffler on the matrix.
20. as arbitrary in claim 3-14 as described in a kind of power saw, it is characterized in that, described power saw also comprises the driving mechanism be arranged in described matrix, and described driving mechanism is connected with described abrasive disc, for driving described abrasive disc.
21. a kind of power saws as claimed in claim 20, it is characterized in that, described driving mechanism is connected with described abrasive disc one end, the described abrasive disc other end is connected with elastic component; The described elastic component of the stressed movement of described abrasive disc when described driving mechanism drives described abrasive disc; When the active force of described driving mechanism disappears from described abrasive disc, described elastic component moves described abrasive disc.
22. a kind of power saws as claimed in claim 21, it is characterized in that, described driving mechanism comprises central shaft and the driving lever that is fixed on described central shaft and cam, and described driving lever and cam can carry out back and forth or circular motion on described central shaft, and described driving lever is fixedly connected with abrasive disc.
23. a kind of power saws as claimed in claim 21, is characterized in that, described abrasive disc is provided with the locating hole passed for pin, described matrix is provided with the sliding eye passed for described pin, described pin can move in described sliding eye.
24. a kind of power saws as claimed in claim 21, is characterized in that, described elastic component is spring.
25. a kind of power saws as claimed in claim 22, is characterized in that, described cam is positioned at described driving lever root.
26. a kind of power saws as claimed in claim 22, it is characterized in that, described driving mechanism also comprises the balancing pole being arranged on described driving lever root, forms angle between described balancing pole and driving lever, the scope of described angle is greater than zero degree, is less than or equal to 90 degree.
27. a kind of power saws as claimed in claim 26, it is characterized in that, described cam is between described driving lever and balancing pole.
28. a kind of power saws as claimed in claim 22, it is characterized in that, described driving mechanism also comprises the travelling gear be arranged on described central shaft, and described travelling gear is connected by chain gear transmission.
29. a kind of power saws as claimed in claim 22, it is characterized in that, described driving mechanism also comprises the fixed bar being arranged on described driving lever root, and described fixed bar is fixedly connected with matrix.
30. as arbitrary in claim 1-14 as described in a kind of power saw, it is characterized in that, described matrix is provided with louvre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943529.7U CN205129076U (en) | 2015-11-24 | 2015-11-24 | Power saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520943529.7U CN205129076U (en) | 2015-11-24 | 2015-11-24 | Power saw |
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| Publication Number | Publication Date |
|---|---|
| CN205129076U true CN205129076U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520943529.7U Expired - Fee Related CN205129076U (en) | 2015-11-24 | 2015-11-24 | Power saw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583466A (en) * | 2015-11-24 | 2016-05-18 | 戴明文 | Power saw |
| WO2017088110A1 (en) * | 2015-11-24 | 2017-06-01 | 戴明文 | Stone mining apparatus |
| WO2017088106A1 (en) * | 2015-11-24 | 2017-06-01 | 戴明文 | Power saw |
-
2015
- 2015-11-24 CN CN201520943529.7U patent/CN205129076U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583466A (en) * | 2015-11-24 | 2016-05-18 | 戴明文 | Power saw |
| WO2017088110A1 (en) * | 2015-11-24 | 2017-06-01 | 戴明文 | Stone mining apparatus |
| WO2017088106A1 (en) * | 2015-11-24 | 2017-06-01 | 戴明文 | Power saw |
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