CN105583466B - A kind of power saw - Google Patents

Abstract

The present invention discloses a kind of power saw, including matrix and at least two chains being looped around on described matrix edge, and the cutter for cutting are provided on the chain, and at least two chains are arranged side by side on described matrix edge.The present invention surround two chains of setting on the edge of matrix, and is arranged side by side, and when power saw operates, two chains in the same direction or counter motion, rotation simultaneously, the cutter passed through on chain realize the purpose cut；When the wider notch of the power saw cut, it is carried out at the same time cutting by the cutter on two chains, power is sufficient, prevents stuck；And two chains are operated respectively, and cutting can be completed by not needing prodigious driving force.It is more prone to realize, greatly reduces the purpose that cutting can be realized in driving force so that the present invention realizes to cut unidirectionally to carry out cutting compared to single chain by the bidirectional-movement of two chains when the notch of cutting is wider, saves material, reduce cost.

Description

A kind of power saw

Technical field

The present invention relates to saw fields, more specifically, being related to a kind of power saw.

Background technology

Existing saw type is more, there is manual saws and power saw；Wherein, in civil engineering projects, it is often necessary to professional Power saw complete the cutting to large-scale structures or rock, to removing obstacles object and prevent the mesh such as cave-in accident 's.The power saw cuts timber, building stones, steel etc. by the pointed tooth on edge.

In the prior art, Chinese invention patent (application No. is：201110344930.5) a kind of Pneumatic chain saw is disclosed, The Pneumatic chain saw includes chain saw, air compressor, means for protecting power device when water-break, pressure bucket.Air compressor provides power Source is rotated to chain saw, while providing cooling water during the work time by pressure bucket, when voltage band engine-driven air compressor Pressure bucket output cooling water and flushing water while pressure-air is provided to chain saw, chain saw is by foreboard, back plate, chain Saw, chain guide, guide plate bracket, driving wheel, driven wheel, air motor, speed governing valve, protection switch, cooling water connector, handle, Hand handle forms, for the fly-cutting in mine.The Pneumatic chain saw is simple in structure, work efficiency is high, safety is good.

Chinese invention patent (application No. is：201310341563.2) disclose a kind of saw stone chain comprising Ruo Ganpai Tooth is led in the uniform anti-rebound of row, the top and bottom led between tooth in two neighboring anti-rebound have been arranged alternately connection sheet respectively It is fixed with cutter tip with the side of bending connection sheet, bending connection sheet, tooth is led in the anti-rebound and upper and lower both sides are alternately set The connection sheet and bending connection sheet set are by rivet interlacement at chain structure.The saw stone chain structure of the patent of invention is firm, adopts The frame mode coordinated with connection sheet and bending connection sheet, bending connection sheet are bent into two mutual fixed plates at a right angle, point Not Wei bottom plate and cutter head fixed plate, bottom plate by rivet with lead tooth in anti-rebound and connect, cutter head fixed plate is cut by chuck fixation Sharpener head, the side that cutting cropping is contacted with cutter head fixed plate not only ensure that the intensity of cutter tip but also make company by reinforcement of weld The hardness of contact pin is improved, and easy to repair and tool changing head, service life are greatly prolonged.

Existing power saw is all a chain to be surround on the edge of its matrix, and cutting is fixedly connected on the chain Knife is rotated by the power drive of the power saw chain, and by the rotation of chain so that the cutter realization on chain is cut It cuts.For the power saw of cutting rock etc., in cutting process, the power of demand is big.For needing to cut wider cut It needs to be equipped with width larger cutter when mouth, accordingly increase to the width of chain, the power of demand also greatly increases.If dynamic Power is insufficient, easy to be stuck in cutting process, can not be cut, more demanding to the entirety of power saw if power is sufficient, Thus considerably increase the cost of power saw.

Invention content

Technical problem to be solved by the invention is to provide a kind of power saws easily facilitating cutting.

The purpose of the present invention is achieved through the following technical solutions：

A kind of power saw, including matrix and at least two chains being looped around on described matrix edge are set on the chain The cutter for cutting are equipped with, at least two chains are arranged side by side on described matrix edge.

Preferably, when the chain is two, the direction of motion of described two chains is opposite.This is setting of the present invention A kind of concrete scheme of chain is arranged side by side on the edge of matrix around two chains of setting, this two chains；Work as power saw The power of power saw drives two chains simultaneously when work so that this two chains are moved, rotated in the opposite direction.It uses When actually cutting rock, the opposite chain in two direction of rotation rotates cut to rock simultaneously the chain, right in this way The damage capability of cut point is stronger, and cutting effect is more preferably.However, it is also feasible that two chains move in the same direction.

Preferably, the power saw further includes the grinding of setting on the matrix, for the cutter cutting of polishing Cut surface.In the prior art, when cutting rock, notch is cut by the rotation of chain first, and continue to cut along notch It cuts, upon completion of the cutting procedure, also grinding process need to be carried out to the cut surface of notch both sides separately through milling tools；And this hair Bright power saw also polishes to cut surface by the grinding on matrix when being cut by chain, uses reaming original Reason realizes limited polishing amount.Milling tools need not be used alone again to polish to cut surface, polishing mode simply, conveniently, is held Easily realize.In addition, cutting when can use beneficial targeting high frequency direction vibration, larger vibration is generated, if cut Cheng Houzai exclusive use milling tools, which polishes to cut surface, also will produce larger vibration, be easy in this way to cut surface, very To larger damage is caused to rock itself, it is easily destroyed cut surface or extension.And the present invention also achieves in vibration processes Polishing to cut surface, to prevent the due to of generating vibration again because individually polishing from being damaged to cut surface.

Preferably, the grinding is detachably mounted in described matrix.Grinding is detachably mounted to above matrix Just grinding is dismantled or is installed from matrix and fixed, grinding can dismantled if grinding needs replacing and change suitable mill Piece.

Preferably, described matrix is provided with the dovetail groove for placing the grinding.It is convenient that dovetail groove is set on matrix Installation, dismounting grinding.

Preferably, the both sides of described matrix are respectively arranged with the grinding.Grinding is respectively set in the both sides of matrix, It is polished respectively two cut surfaces being cut by the grinding of matrix both sides when power saw cut, it is disposable to complete to cut The purpose cut and polished.

Preferably, the grinding includes corase grinding piece and fine grinding piece.It is may be selected according to demand with corase grinding piece or using thin Grinding is polished it is of course also possible to reuse fine grinding piece after first passing through corase grinding piece polishing.

Preferably, the same face in described matrix is arranged in the corase grinding piece and fine grinding piece.This is a kind of tool of grinding polishing Body mode.

Preferably, the corase grinding piece and fine grinding piece are set in the one side of described matrix, it is opposite with the one side of described matrix Another side on be also equipped with the corase grinding piece and fine grinding piece.This is the another way of grinding polishing.

Preferably, when the corase grinding piece and fine grinding piece are all fixed in described matrix, the corase grinding piece protrudes from The height of part in described matrix protrudes from the height of the part in described matrix less than or equal to the fine grinding piece, described thick Grinding is compared to fine grinding piece close to the chain cut direction.In this way in cutting process, first passes through corase grinding piece and the is carried out to cut surface Primary polishing, the cut surface for continuing to cut after fine grinding piece again polishes to corase grinding piece are further polished.In this way It is polished respectively cut surface by roughly grinding piece and fine grinding piece so that polishing is better.

Preferably, the grinding is arcuate structure.This is a kind of concrete structure of grinding, the grinding buffed surface of arcuate structure Product is big, and effect is more preferable.

Preferably, the grinding is arranged close to described matrix edge.This is a kind of concrete mode of setting grinding position, this Sample setting grinding polishing area is big, and effect is more preferable.

Preferably, the both ends of the grinding are located at the position of center line of described matrix.This is setting grinding end position A kind of concrete mode, in this way setting facilitate grinding to polish.

Preferably, the position for polishing when the grinding is fixed in the dovetail groove in the grinding protrudes from Described matrix surface.Only in grinding for polishing part protrude from matrix surface, so as to polishing part to cut surface into Row polishing；And prevent the other positions in grinding from protruding from matrix surface and increasing matrix thickness.

Preferably, the power saw further includes the silencing means of setting on the matrix.Power saw is in cutting process Loud noise is generated, prodigious influence is caused on ambient enviroment, noise can be reduced by this silencing means, even be eliminated noise, To prevent influencing ambient enviroment using power saw.

Preferably, the silencing means includes setting bloop on the matrix.Bloop is used for noise reduction, simple, side Just, erasure effect is direct, effective.

Preferably, the bloop is multiple, is arranged according to preset rules.Multiple bloop erasure effects are more preferable.

Preferably, the bloop be it is multiple, the multiple bloop it is of different sizes.Multiple bloop size settings are not Together so that erasure effect is more preferable, will not empathize.

Preferably, the silencing means is the muffler of setting on the matrix.This is the another kind side for reducing noise Formula installs muffler on matrix and is used for noise reduction, easy to implement, effect is good.

Preferably, the power saw further includes the driving mechanism being arranged in described matrix, the driving mechanism with it is described Grinding connection, for driving the grinding.This is the another way polished cut surface by grinding, thus driving machine Structure driving grinding is ground better to the polishing of cut surface in this way so that grinding generation movement.

Preferably, the driving mechanism is connect with described grinding one end, and the grinding other end is connected with elastic component；Work as institute State elastic component described in the grinding forced compression when driving mechanism driving grinding；When the active force of the driving mechanism is from institute Stating elastic component stretching, extension when disappearing in grinding makes the grinding move.This is that one kind of driving mechanism driving grinding movement is specific Mode easily facilitates grinding campaign by the driving of driving mechanism and the telescopic action of elastic component so that polishing effect More preferably.

Preferably, the driving mechanism includes central shaft and the driving lever and cam that are fixed on the central shaft, described group Bar and cam can move back and forth on the central shaft, and the driving lever is fixedly connected with grinding.One end of driving lever and grinding It is fixedly connected, cam, which moves, makes driving lever move therewith, and then is moved by driving lever driving grinding disc, realizes the mesh of polishing 's.

Preferably, it is provided with the location hole passed through for pin in the grinding, is provided in described matrix for described The sliding eye that pin passes through, the pin can move in the sliding eye.Positioning, limitation grinding are realized to grinding by pin It is moved in the movement direction, prevents grinding from moving or preventing in the other direction grinding bias motion direction.In addition, pin Fastening effect is also acted as to grinding.

Preferably, the elastic component is spring.The elasticity of spring is good, convenient for flexible.

Preferably, the cam is located at the driving lever root.This is a kind of concrete mode that cam position is arranged, and is made in this way It obtains cam and driving lever is disposed adjacent so that cam is more preferable to the control effect of driving lever.

Preferably, the driving mechanism further includes the balancing pole being arranged in the driving lever root, the balancing pole and driving lever Between form angle, the range of the angle is greater than zero degree, be less than or equal to 90 degree.The work that balancing pole plays balance is set With so that cam keeps entire driving mechanism to stablize during exercise.In addition, balancing pole also acts as the effect for limiting cam movement. Prevent the movement locus of cam from deviating.

Preferably, the cam is between the driving lever and balancing pole.Cam is arranged between driving lever and balancing pole, Not only so that cam is good to the control effect of driving lever, but also the balanced action that balancing pole plays entire driving mechanism is more preferable.

Preferably, the driving mechanism further includes the transmission gear being arranged on the central shaft, the transmission gear

Preferably, the driving mechanism further includes the fixed link being arranged in the driving lever root, the fixed link and matrix It is fixedly connected.Driving mechanism is fixedly connected by fixed link with matrix so that driving mechanism fixation, normal work.

Preferably, it is provided with heat emission hole in described matrix.Heat emission hole plays a protective role to matrix for radiating.

The beneficial effects of the invention are as follows：The present invention surround two chains of setting on the edge of matrix, and is arranged side by side, When power saw operates, the mesh of cutting is realized in opposite or reverse motions, the rotation simultaneously of two chains by the cutter on chain 's；When the wider or relatively narrow notch of the power saw cut, it is carried out at the same time cutting by the cutter on two chains, power fills Foot, prevents stuck；And two chains are operated respectively, and cutting can be completed by not needing prodigious driving force.To this hair Realize that cutting carries out cutting compared to single chain and is more prone to real by two chains when the bright notch in cutting is wider or relatively narrow Now, greatly reduce the purpose that cutting can be realized in driving force, save material, reduce cost.

Description of the drawings

In order to illustrate more clearly of technical scheme of the present invention, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, for the common skill in this field For art personnel, without creative efforts, other drawings may also be obtained based on these drawings.

Fig. 1 is the overall structure diagram of one power saw of the embodiment of the present invention；

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 schematic diagram of cutter of the embodiment of the present invention；

Fig. 6 is the sectional view of Fig. 5；

Fig. 7 is the overall structure diagram of two power saw of the embodiment of the present invention；

Fig. 8 is views of the Fig. 7 in the directions C-C；

Fig. 9 is the enlarged drawing of C in Fig. 8；

Figure 10 is the structural schematic diagram of corase grinding piece of the embodiment of the present invention；

Figure 11 is the vertical view of Figure 10；

Figure 12 is the enlarged drawing of D in Figure 11；

Figure 13 is the structural schematic diagram of fine grinding piece of the embodiment of the present invention；

Figure 14 is the vertical view of Figure 13；

Figure 15 is the enlarged drawing of E in Figure 14；

Figure 16 is the overall structure diagram of three power saw of the embodiment of the present invention；

Figure 17 is the enlarged drawing of F in Figure 16；

Figure 18 is the structural schematic diagram of three driving mechanism of the embodiment of the present invention；

Figure 19 is sectional views of the Figure 18 in the directions B-B；

Figure 20 is also the structural schematic diagram of three driving mechanism of the embodiment of the present invention；

Figure 21 is the structural schematic diagram of three matrix of the embodiment of the present invention；

Figure 22 is the vertical view of Figure 21；

Figure 23 is the enlarged drawing of G in Figure 22；

Figure 24 is the overall structure diagram of three power saw of the embodiment of the present invention；

Figure 25 is the enlarged drawing of H in Figure 24；

Figure 26 is the overall structure diagram of three power saw of the embodiment of the present invention；

Figure 27 is the enlarged drawing of I in Figure 26.

Wherein：10, power saw；100, chain；110, chain is rotated forward；120, chain is inverted；130, cutter；131, it rotates forward Cutter；132, cutter are inverted；133, drive hole；134, chain hole；135, cutter head；136, knife root；200, matrix；210, swallow Stern notch；211, the first dovetail groove；212, the second dovetail groove；220, driving lever slot；230, spring groove；240, sliding eye；250, chain Slot；251, the first chain；252, the second chain；300, it is ground；310, piece is roughly ground；311, the first hole；312, location hole； 313, the second hole；314, the first grinding head；320, fine grinding piece；321, third hole；322, location hole；323, the 4th hole；324, Two grinding heads；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 link；450, transmission gear；460, connection sheet；500, elastic component；600, bloop；700, it radiates Hole.

Specific implementation mode

The present invention discloses a kind of power saw, including matrix and at least two chains being looped around on described matrix edge, institute The cutter being provided on chain for cutting are stated, at least two chains are arranged side by side on described matrix edge.This Invention is for cutting rock, and certainly, power saw of the invention is not limited to cutting rock, can also cut metal etc..This hair It is bright that two chains of setting are surround on the edge of matrix, and be arranged side by side, when power saw operates, i.e., power saw is in cutting rock When, two chains are moved, are rotated simultaneously, and the purpose of cutting is realized by the cutter on chain；The power saw cut is wider When notch, it is carried out at the same time cutting by the cutter on two chains, power is sufficient, prevents stuck；And two chain difference It is operated, not needing prodigious driving force could complete to cut.To which the present invention passes through two when the notch of cutting is wider Chain realizes that cutting carries out cutting compared to single chain and is more prone to realize, greatly reduce the mesh that cutting can be realized in driving force , material is saved, cost is reduced.

The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that, term "center", " transverse direction ", "upper", "lower", "left", "right", The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, art Language " first ", " second " are used for description purposes only, and are not understood to indicate or imply relative importance or implicitly indicate institute The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one Or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more. In addition, term " comprising " and its any deformation, it is intended that cover and non-exclusive include.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

The invention discloses a kind of power saws, and as shown in Fig. 1 to 27, which can provide power by electricity, also may be used To provide power by compressor etc., the present embodiment provides power it is preferable to use electric for power saw.

The power saw 10 includes that power source (not shown), matrix 200 and at least two are looped around described matrix side Along upper chain 100, the cutter 130 for cutting are provided on the chain, by the cutter 130 can to rock etc. into Row cutting, the present embodiment are illustrated for cutting rock, but, this cutter 130 is not limited to cutting rock.It is described extremely Few two chains are arranged side by side on 200 edge of described matrix.

Wherein, as shown in Figures 1 to 6, as the preferred embodiment of the present embodiment, and referring to Fig. 7-27, the chain of the present embodiment 100 preferably use two, are arranged side by side around two chains of setting, this two chains on the edge of matrix 200；And power Source provides the power of opposite direction for two chains, so that the direction of motion of two chains is on the contrary, two chains in other words Direction of rotation it is opposite.

Specifically, referring to Fig. 4, this two chains rotate forward chain 110 and reversion chain 120 as shown in Figure 4.Work as power The power source of power saw 10 drives two chains simultaneously when 10 work of saw so that this two chains move in the opposite direction, Rotation.Using the chain when actually cutting rock, the opposite chain in two direction of rotation rotates cut to rock simultaneously It cuts, stronger to the damage capability of cut point in this way, cutting effect is more preferably.

However, it is also feasible that two chains move in the same direction, and it can equally play increase and destroy rock Effect.Certainly, it according to the needs in practical cutting process, can be surround on the edge of matrix, be arranged side by side 3 chains, 4 The chain of a chain or other numbers.

Wherein, the movement velocity of two chains of the present embodiment is identical, so that the cutting effect of two chains is more preferably.So Afterwards, the movement velocity that two chains according to the needs actually cut, can be arranged is different, for example, the movement speed of a chain Degree is fast, and the movement velocity of a chain is slow.Or the direction of motion of two chains is identical, movement velocity is different.

It should be noted that for a person skilled in the art, two chains are the direction of motion is identical or opposite, movement Speed it is identical or different or other etc. any combinations mode it is all within the scope of the present invention.And a plurality of chain exists The direction of motion is identical or opposite, the speed of movement is identical or different or other etc. any combinations all in the protection model of the present invention In enclosing.

As shown in Figure 5 and Figure 6, it is provided with chain hole 134 on cutter 130, passes through the chain hole 134 to go here and there on chain 100 It is connected to multiple cutter 130.Cuspidated cutter head 135 is arranged in 130 one end of cutter, and the other end is provided with knife root 136；The tip In ramped shaped so that it is convenient to cut rock.Wherein, drive hole 133.Referring to Fig. 2, rotate forward on chain 110 and reversion chain 120 135 tip direction of cutter head of cutter 130 is on the contrary, to be cut.

Wherein, setting, should there are two the identical chain 250 for installing fixed chain 100 on the edge of matrix 200 Chain 250 is respectively the first chain 251 and the second chain 252, wherein the installation of the first chain 251 is fixed to rotate forward chain Item 110, the first chain 251 are suitble to rotate forward the setting of chain 110；Second chain 252 fixes reversion chain 120 for installing, Second chain 252 is suitble to reversion chain 120 to be arranged.Referring to Figure 23, shape between the first chain 251 and the second chain 252 At partition board, the thickness of the partition board is small, so that two chains easily facilitate cutting in cutting.

As the preferred embodiment of the present invention, as shown in Fig. 8 to 15, and referring to Fig. 1 to 7 and Figure 16 to 27, the present embodiment Power saw 10 matrix 200 on be provided with grinding 300, the cutting that the grinding 300 is cut into for cutter 130 of polishing Face.In the prior art, when cutting rock, notch is cut by the rotation of chain first, and continue to cut along notch, cut After the completion of cutting process, also grinding process need to be carried out to the cut surface of notch both sides separately through milling tools；And the present invention's is dynamic Power is sawed when being cut by chain, while also being polished cut surface by the grinding on matrix, it is not necessary to be used alone beat again Grinder tool polishes to cut surface, and polishing mode is simply, conveniently, easy to implement.In addition, cutting when will produce it is larger Vibration also will produce larger vibration, in this way if milling tools is used alone again after the completion of cutting and is polished cut surface It is easy to cut surface, or even causes larger damage to rock itself, be easily destroyed cut surface or extension.And the present invention is vibrating The polishing to cut surface is also achieved in the process, to prevent the due to of generating vibration again because individually polishing from causing to damage to cut surface It is bad.

Wherein, as a kind of scheme of the present embodiment：Two chains 100 are surrounded on the edge of matrix 200 (to rotate forward Chain 110 and reversion chain 120).However, only around one chain of setting or the chain of other numbers on the edge of matrix Item is also possible.It has been respectively fixedly connected with the grinding 300 on two sides of matrix 200, has been respectively set in the both sides of matrix Grinding, respectively beats two cut surfaces being cut by the grinding 300 of 200 both sides of matrix when power saw 10 is cut It grinds, the disposable purpose for completing cutting and polishing, simply, conveniently.However, grinding is only arranged on a side of matrix It is possible, according to actual needs, if only need to polish to a cut surface of cutting mouth, then it only can be only in base Setting is ground to polish on one side of body.

Specifically, referring to Figure 21, the dovetail groove 210 for placing the grinding 300 is provided on matrix 200, in matrix Upper setting dovetail groove facilitates installation, dismounting grinding, and certainly, the slot that other structures are arranged is also possible for placing grinding.It should Grinding is positioned over the position in the grinding 300 for polishing, i.e. grinding head in dovetail groove and protrudes from the side surface of matrix to beat Mill.Moreover, setting also prevents the other positions in grinding from protruding from matrix surface and increasing matrix thickness in this way.

Wherein, the grinding 300 being arranged on the side of matrix 200 can be corase grinding piece 310, can also be fine grinding piece 320, when So, can also be that corase grinding piece 310 and fine grinding piece 320 are all disposed on the side of matrix.

The present embodiment is preferably provided with corase grinding piece 310 and fine grinding piece 320 on the same side of matrix 200, then described The corase grinding piece and fine grinding piece are set in the one side of matrix 200, are also provided on the another side opposite with the one side of described matrix There are the corase grinding piece and fine grinding piece.Specifically, when the corase grinding piece 310 and fine grinding piece 320 are all fixed on described matrix When on 200, the height for the part that the corase grinding piece 310 protrudes from described matrix 200 protrudes from institute less than the fine grinding piece 320 The height of the part on matrix 200 is stated, the corase grinding piece is compared to fine grinding piece close to the chain cut direction.Such cutting process In, the polishing that corase grinding piece 310 carries out cut surface first time is first passed through, continues cutting fine grinding piece 320 and corase grinding piece is beaten again Cut surface after honed is further polished.It is polished cut surface, is made respectively by roughly grinding piece and fine grinding piece in this way It must polish better.Certainly, the height that the corase grinding piece 310 protrudes from the part in described matrix 200 is equal to the fine grinding The height that piece 320 protrudes from the part in described matrix 200 is also possible, and only effect is not so good as above-mentioned preferred scheme.

Wherein, the height that the corase grinding piece 310 protrudes from the part in described matrix 200 is convex less than the fine grinding piece 320 It is since fine grinding piece 320 protrudes from the second grinding head 324 of matrix side for the height of the part in described matrix 200 Thickness is more than the thickness that corase grinding piece 320 protrudes from the first grinding head 314 of matrix side.Certainly, the present embodiment can also be by The setting of the thickness of one grinding head and the second grinding head is identical, then will roughly grind first dovetail groove 211 of piece for placing and is arranged Depth is more than the depth of the second dovetail groove 212 for placing fine grinding piece.It can also realize that fine grinding piece protrudes from matrix table in this way The height of the part in face is more than the height that corase grinding piece protrudes from the part of matrix surface.However, other modes setting is also can be with 's.

Matrix 200 is provided with multiple sliding eyes 240 at 210 position of dovetail groove, corresponding, and it is right therewith to be provided in grinding The location hole answered, to play positioning action to grinding.Specifically, being respectively arranged with first on corase grinding piece 310 and fine grinding piece 320 Location hole 312 and second location hole 313, multiple sliding eyes are corresponding with first positioning hole respectively and corresponding with second location hole, To be each passed through by pin, sliding eye and first positioning hole will roughly grind piece positioning and pin is each passed through sliding eye and the Two location holes position fine grinding piece, so that corase grinding piece and fine grinding piece fixed effect are more preferably.

Wherein, to further improvement of this embodiment, corase grinding piece and fine grinding piece are disposed adjacent.Corase grinding piece 310 in this way is beaten It is then polished by fine grinding piece 320 after honed, polishing interval is short, better.It is of course also possible to will corase grinding piece and fine grinding piece It is separately positioned.

Wherein, to further improvement of this embodiment, the grinding 300 is detachably mounted in described matrix 200, has Body, grinding is removably inserted into dovetail groove, and dovetail groove facilitates being inserted and removed from for grinding.Grinding is dismountable fixed Facilitate that grinding is dismantled or installed from matrix on matrix and fix, grinding can be dismantled and be changed if grinding needs replacing Suitable grinding.Certainly, grinding can also be fixed on matrix by the present embodiment by other dismountable modes, or directly Grinding is fixed on also possible on matrix.

In the present embodiment, the grinding 300 is arcuate structure.This is a kind of concrete structure of grinding, arcuate structure Grinding polishing area is big, and effect is more preferable.Certainly, it is also possible to be arranged to other structures, such as string configuration.

In the present embodiment, the grinding 300 is arranged close to 200 edge of described matrix.This is the one of setting grinding position Kind concrete mode, setting grinding polishing area in this way is big, and effect is more preferable.It is of course also possible to which grinding is fixed on other positions It sets.

In the present embodiment, the both ends of the grinding 300 are located at the position of center line of described matrix 200.This is setting mill A kind of concrete mode of piece end position, in this way setting facilitate grinding to polish.It is of course also possible to there is other modes setting.

It should be noted that for a person skilled in the art, the mill of any number is arranged on the side of matrix 200 Grinding of piece or arbitrary structures and combinations thereof is all in the protection domain of the present embodiment.

In addition, it is necessary to explanation, for a person skilled in the art, the structure of the above grinding is only with exemplary Mode is described, other any structures are ground also all in the protection domain of the present embodiment.

Preferred embodiment as the present invention：If Figure 18 is to 27, and Fig. 1 to 17 is participated in, the power saw 10 further includes setting Driving mechanism 400 in described matrix 20, the driving mechanism 400 is connect with the grinding 300, for driving the grinding 300.This is by being ground the another way polished cut surface, and thus driving mechanism driving grinding is so that grinding generates Movement is ground better to the polishing of cut surface in this way.

Wherein, the driving mechanism 400 is connect with described grinding one end, and the grinding other end is connected with elastic component 500； The elastic component 500 described in the grinding forced compression when the driving mechanism 400 drives the grinding 300；When the driving machine The active force of structure when disappearing from the grinding elastic component stretching, extension make the grinding movement.This is driving mechanism driving grinding A kind of concrete mode of movement, easily facilitates grinding by the driving of driving mechanism and the telescopic action of elastic component and is transported It is dynamic so that polishing effect is more preferable.

Wherein, the driving mechanism 400 include central shaft 430 and the driving lever 410 that is fixed on the central shaft 430 and Cam 420, the driving lever 410 and cam 420 can move back and forth on the central shaft 430, and the driving lever and grinding are solid Fixed connection.Driving lever is fixedly connected with one end of grinding, and cam moves so that driving lever moves therewith, and then drives grinding disc by driving lever It is moved, realizes the purpose of polishing.

Wherein, it is fixedly connected by connection sheet 460 between the driving lever 410 and grinding 300, is respectively arranged in connection sheet Two holes, it is corresponding, corresponding driving lever hole is provided on driving lever, and fixed by pin；And grinding on be provided with and its Corresponding mounting hole, and being fixed by pin, to realize being fixedly connected for grinding and driving lever.

The root of driving lever 410 is provided with balancing pole 413 corresponding with driving lever 410, balancing pole 413 plays balance driving lever 410 effect；Angle is formed between the balancing pole 413 and driving lever 410, which is more than zero degree, is less than or equal to 90 degree；It is excellent Choosing, angle selects 45 degree, so that the balanced action of balancing pole 413 is more.Cam 420 is arranged in driving lever and balance Between bar, i.e., cam is located at the position of angle, and in this way after driving lever is fixedly connected with grinding, driving cam 420 is towards a side To rotation, the rotation of cam 420 drives driving lever 410 to rotate, and driving lever 410 presses grinding when rotating, and makes grinding towards 500 side of elastic component To movement, compression elastic piece when grinding moves continues to compress, and when elastic component shrinks great efforts, the driving force of cam no longer can When enough driving driving lever compression elastic piece, cam is made cam transport round about by the opposition of gravity and elastic component Dynamic, at this moment elastic component stretches, grinding movement；After cam reaches certain altitude, the opposition of elastic component fades away, convex When the inertia force of wheel also disappears, cam is moved to the direction of first time driving again by gravity, continues to driving driving lever in this way Compression drives grinding and elastic component, thus by cam, driving lever and elastic component to the drive control of grinding so that grinding is in base Reciprocal movement is done in body surface face, realizes polishing.This is that a kind of concrete structure of driving mechanism drives by other means certainly Grinding movement is also feasible.

Such as：Driving cam 420 carries out circular-rotation in one direction, and herein by taking rotating forward as an example, certainly, reversion is also can With.Cam 420 drives driving lever 410 to rotate during circular motion, and driving lever 410 presses grinding when rotating, and continues in this way Driving driving lever compression or stretching drives grinding and elastic component to move back and forth, by the circular motion control grinding and the bullet that control cam Property part compression or stretch so that reciprocal movement is done in grinding in matrix surface, completes polishing.

In addition, this scheme is rotated in one direction by driving cam 420, the rotation of cam 420 drives 410 turns of driving lever Dynamic, driving lever 410 presses grinding when rotating, and grinding is made to be moved towards 500 direction of elastic component, and compression elastic piece when grinding moves leads to It crosses first compression elastic piece and redraws elastic component to drive grinding to move.It is of course also possible to be first draw springs recompression bullet Property part come drive grinding.Specifically：Driving cam 420 is rotated towards another direction, and the rotation of cam 420 drives 410 turns of driving lever It moves, grinding is pulled when driving lever 410 rotates, grinding is made to be directed away from the direction movement of elastic component, draw springs when being ground movement； When cam rotates backward, grinding is set to be moved towards the direction of elastic component by driving lever, compression elastic piece when grinding moves, to The reciprocating motion of grinding is realized by the first stretching recompression of elastic component.

Wherein, grinding has corase grinding piece and fine grinding piece, and corresponding, driving lever 410 includes the first driving lever 411 and the second driving lever 412, the first driving lever is fixedly connected with corase grinding piece, and the second driving lever is fixedly connected with fine grinding piece, on the first driving lever and the second driving lever all Cam and balancing pole are set.Balancing pole plays balanced action, better so as to the first driving lever of actuated by cams and the second driving lever. Due to being both provided with grinding on the two sides of matrix, the first driving lever and second group be respectively arranged with to the both ends of central shaft 430 Bar, so that central shaft both ends balance, so that power saw whole machine balancing is better, effect is more preferable when cutting.

Wherein, driving mechanism 400 further includes fixed link 440, and the root position in balancing pole and driving lever is arranged in fixed link 440 Place, fixed link 440 are fixedly connected with matrix 200, so that driving mechanism 400 is stablized, is firmly fixed on matrix, so as to Driving mechanism normally drives grinding.Mounting hole is provided on matrix, fixed link 440 is inserted into mounting hole and cooperates, from And driving mechanism 400 is limited and is fixed.And it is additionally provided with central shaft hole on matrix 200, for placing central shaft 430, central shaft Be inserted into central shaft hole and cooperate so that between driving mechanism 400 and matrix 200 to be fixedly connected with effect more preferable.

Wherein, driving mechanism 400 further includes the transmission gear 450 being mounted on central shaft 430,430 both ends of central shaft point It is not provided with transmission gear 450.

Since matrix 200 is provided with multiple sliding eyes 240 at 210 position of dovetail groove, it is provided with and is corresponding to it in grinding Location hole, to grinding play positioning action.Specifically, it is fixed to be respectively arranged with first on corase grinding piece 310 and fine grinding piece 320 Position hole 312 and second location hole 313, multiple sliding eyes are corresponding with first positioning hole respectively and corresponding with second location hole, from And sliding eye and first positioning hole is each passed through by pin, the positioning of corase grinding piece and pin are each passed through sliding eye and second Location hole positions fine grinding piece, so that corase grinding piece and fine grinding piece fixed effect are more preferably.So that grinding is in motion process The middle direction of motion is more stablized, and places grinding and is moved to other directions.

Wherein, matrix 200 is separately provided for placing the driving lever slot 220 of driving lever 410 and use at the both ends of dovetail groove 210 In the spring groove 230 for placing elastic component 500.So that driving lever 410 and elastic component are all located in matrix surface, its protrusion is prevented In matrix surface.

Wherein, one end of corase grinding piece 310 is provided with the first hole 311, a hole on first hole 311 and a connection sheet It is corresponding, and fixed by pin, realize being fixedly connected for corase grinding piece and connection sheet.The other end of corase grinding piece 310 is provided with the Two holes 313, second hole 313 are fixedly connected with elastic component 500, and elastic component and corase grinding piece is prevented to be detached from.Wherein, in the middle part of corase grinding piece Three first positioning holes 312 are set, and are evenly arranged, to by making after the cooperation of sliding eye 240 on pin and matrix The locating effect for roughly grinding piece is more preferable.

Wherein, one end of fine grinding piece 320 is provided with third hole 321, a hole on the third hole 321 and a connection sheet It is corresponding, and fixed by pin, realize being fixedly connected for fine grinding piece 320 and connection sheet.The other end of fine grinding piece 320 is provided with 4th hole 323, the 4th hole 323 are fixedly connected with elastic component 500, and elastic component and fine grinding piece 320 is prevented to be detached from.Wherein, fine grinding Three second location holes 322 are arranged in 320 middle part of piece, and are evenly arranged, to be matched by pin and the sliding eye 240 on matrix So that the locating effect of fine grinding piece 320 is more preferable after conjunction.

In the present embodiment, the elastic component 500 is spring.The elasticity of spring is good, convenient for flexible.It is of course also possible to be Other elastic components, such as foam etc..

As further improvement of this embodiment, the power saw 10 further includes the noise reduction being arranged in described matrix 200 Device.Power saw 10 generates loud noise in cutting process, causes prodigious influence to ambient enviroment, passes through this silencing means Noise can be reduced, even be eliminated noise, to prevent influencing ambient enviroment using power saw 10.Referring to Fig. 7, Figure 16, figure 21, Figure 24 and Figure 26, is provided with multiple bloops 600 on matrix 200, and bloop is used for noise reduction, simple, conveniently, erasure effect Directly, effectively.The present embodiment bloop 600 is a kind of concrete mode of silencing means, it is of course also possible to have other modes, than Such as, fixed muffler is installed directly on matrix 200, the purpose of noise reduction is realized by the muffler, reduce noise be also can be with 's.However, the bloop that the present embodiment is directly arranged on matrix 200 is simple in structure, easy to implement, installed compared on matrix Fixed muffler realizes the purpose of noise reduction, and material is greatly saved, and reduces cost.

Wherein, the bloop 600 is multiple, is arranged according to preset rules.Multiple bloop erasure effects are more preferable. The arrangement mode of the present embodiment bloop is arranged according to irregular mode, is arranged at random bloop in this way Row, good muffling effect prevent sympathetic response.It is of course also possible to which regular arrange multiple bloops, for example, in base The bloop of same intervals is set on body surface face.It should be noted that those skilled in the art, bloop other Any arrangement mode is all in the protection domain of the present embodiment.

Wherein, the multiple bloop 600 is of different sizes.The setting of 600 size of multiple bloops is different so that noise reduction is imitated Fruit is more preferable, will not empathize.Certainly, multiple bloop is sized to identical, also possible.

Wherein, bloop 600 is round hole.It is of course also possible to be arranged to the hole of square hole or other structures.It needs Illustrate, to those skilled in the art, size, structure, position or any combinations mode of bloop are all in this reality It applies in the protection domain of example.

Another improvement as the present embodiment：Heat emission hole 700 is provided in described matrix 200, referring to Fig. 7, Figure 16, figure 21, Figure 24 and Figure 26, heat emission hole play a protective role to matrix 200 for radiating.

Wherein, heat emission hole 700 can be arranged one, can also be arranged multiple, and the present embodiment is preferably provided with two, is all item Shape structure, it is of course also possible to be arranged to other structures, which is provided separately.

The shape of matrix in the above various embodiments of the present invention can be fan-shaped, semicircle, round or star moon shape.But The shape of the body of the present invention is not limited to above several.

It should be noted that those skilled in the art, the number of heat emission hole 700, size, arrangement mode and The arbitrary setting or arbitrary combination of structure etc. are all in the protection domain of the present embodiment.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's Protection domain.

Claims (25)

1. a kind of power saw, including matrix and the chain that is looped around on described matrix edge, it is provided on the chain for cutting The cutter cut, which is characterized in that the chain is at least two, is arranged side by side on described matrix edge, when the chain When being two, the direction of motion of described two chains is on the contrary, be provided with heat emission hole in described matrix；

The power saw further includes the grinding of setting on the matrix, the cut surface for the cutter cutting of polishing；

The power saw further includes the driving mechanism being arranged in described matrix, and the driving mechanism is connected with the grinding, is used In the driving grinding；

The driving mechanism includes central shaft and the driving lever and cam that are fixed on the central shaft, and the driving lever and cam can Reciprocal or circular motion, the driving lever is carried out on the central shaft to be fixedly connected with grinding.

2. a kind of power saw as described in claim 1, which is characterized in that the grinding is removably fixedly mounted on the base On body.

3. a kind of power saw as described in claim 1, which is characterized in that described matrix is provided with for placing the grinding Dovetail groove.

4. a kind of power saw as described in claim 1, which is characterized in that the both sides of described matrix are respectively arranged with the mill Piece.

5. a kind of power saw as described in claim 1, which is characterized in that the grinding includes corase grinding piece and fine grinding piece.

6. a kind of power saw as claimed in claim 5, which is characterized in that the corase grinding piece and fine grinding piece are arranged in described matrix The same face.

7. a kind of power saw as claimed in claim 6, which is characterized in that the corase grinding piece is arranged in the one side of described matrix With fine grinding piece, the corase grinding piece and fine grinding piece are also equipped on the another side opposite with the one side of described matrix.

8. a kind of power saw as claimed in claim 7, which is characterized in that when the corase grinding piece and fine grinding piece are all fixed on When in described matrix, the height for the part that the corase grinding piece protrudes from described matrix is protruded from less than or equal to the fine grinding piece The height of part in described matrix, the corase grinding piece is compared to fine grinding piece close to the chain cut direction.

9. a kind of power saw as described in claim 1, which is characterized in that the grinding is arcuate structure.

10. a kind of power saw as claimed in claim 9, which is characterized in that the grinding is arranged close to described matrix edge.

11. a kind of power saw as claimed in claim 9, which is characterized in that the both ends of the grinding are located in described matrix Heart line position.

12. a kind of power saw as claimed in claim 3, which is characterized in that when the grinding is fixed in the dovetail groove The position for polishing in the grinding protrudes from described matrix surface.

13. a kind of power saw as described in claim 1-12 is any, which is characterized in that the power saw further includes being arranged in institute State the silencing means on matrix.

14. a kind of power saw as claimed in claim 13, which is characterized in that the silencing means includes being arranged in described matrix Upper bloop.

15. a kind of power saw as claimed in claim 14, which is characterized in that the bloop is multiple, according to preset rules It is arranged.

16. a kind of power saw as claimed in claim 14, which is characterized in that the bloop is multiple, the multiple noise reduction Hole it is of different sizes.

17. a kind of power saw as claimed in claim 13, which is characterized in that the silencing means is to be arranged on the matrix Muffler.

18. a kind of power saw as described in claim 1-12 is any, which is characterized in that the driving mechanism and the grinding one End connection, the grinding other end are connected with elastic component；When the driving mechanism drives the grinding, the grinding stress is moved Move the elastic component；When the active force of the driving mechanism disappears from the grinding, the elastic component moves the grinding.

19. a kind of power saw as claimed in claim 18, which is characterized in that be provided in the grinding and passed through for pin Location hole is provided with the sliding eye passed through for the pin in described matrix, and the pin can move in the sliding eye.

20. a kind of power saw as claimed in claim 18, which is characterized in that the elastic component is spring.

21. a kind of power saw as described in claim 1, which is characterized in that the cam is located at the driving lever root.

22. a kind of power saw as described in claim 1, which is characterized in that the driving mechanism further includes being arranged at described group The balancing pole in pole-footing portion forms angle between the balancing pole and driving lever, the range of the angle is greater than zero degree, is less than or waits Yu Jiushi degree.

23. a kind of power saw as claimed in claim 22, which is characterized in that the cam be located at the driving lever and balancing pole it Between.

24. a kind of power saw as described in claim 1, which is characterized in that the driving mechanism further includes being arranged in described Transmission gear in mandrel, the transmission gear are sequentially connected by sprocket wheel.

25. a kind of power saw as described in claim 1, which is characterized in that the driving mechanism further includes being arranged at described group The fixed link in pole-footing portion, the fixed link are fixedly connected with matrix.