CN105081453A - Combined saw - Google Patents
Combined saw Download PDFInfo
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- CN105081453A CN105081453A CN201410203008.8A CN201410203008A CN105081453A CN 105081453 A CN105081453 A CN 105081453A CN 201410203008 A CN201410203008 A CN 201410203008A CN 105081453 A CN105081453 A CN 105081453A
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- lifting plate
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- saw
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- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 48
- 150000001875 compounds Chemical class 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000009432 framing Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
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- 230000007704 transition Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- -1 such as timber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
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Abstract
The invention discloses a combined saw, comprising a frame, a base component, a working turntable component, a rocker frame base, a blade and a blade lifting device, wherein a deck plate is fixed on the top of the frame, the rocker frame base is located between the frame and the working turntable component and is respectively hinged with the frame and the working turntable component; the blade is used for cutting workpieces; the blade lifting device is arranged at the lower part of one side, far away from a hinged end of the frame and the rocker frame base, of the frame; the blade is arranged on the blade lifting device; the combined saw is characterized in that the blade can do lifting motion relative to the frame and can be switched between a bench saw mode and a mater saw mode, wherein in the bench saw mode, the blade lifting device can lift the blade to the upper part of the frame so that a part of the blade is higher than the upper surface of the deck plate; in the mater saw mode, the blade lifting device can lower the blade to the lower part of the frame so that the whole blade is lower than the upper surface of the deck plate.
Description
Technical field
Relate generally to of the present invention is used for cutter sweep workpiece being carried out to cutting operation, relates to the compound saw can changed between bench saw mode of operation and diagonal cutting saw mode of operation particularly.
Background technology
In the prior art, compound saw generally includes framework 1 ", be arranged on the deck plate 2 of frame roof ", axle center is fixed on saw blade 5 on framework " and the base that is positioned at below framework and working rotary table (not shown).Under bench saw pattern, be arranged on framework 1 " end face on deck plate 2 " need horizontal positioned.The conversion regime of the mode of operation of compound saw is mainly divided into two classes.One class is that another kind of is by platform is cut guard shield the locking and unlocking by the relative motion (comprising translation and rotation) of deck plate relative to framework.The axle center of the saw blade under both of these case is all fixing relative to framework.
Specifically, the overall construction design of the compound saw of a class is that saw blade (and power and transmission component) fixes (except the rotation around himself axle center) relative to framework and deck plate can do translation relative to framework or around a certain true fixed-axis rotation.The bench saw mode of operation of this compound saw and the conversion of diagonal cutting saw mode of operation have come relative to the position of framework by regulating platform panel.Under bench saw pattern, deck plate shifted near to framework or turns near, making a part for saw blade exceed the upper surface (see Figure 1A and 1B) of deck plate; Under diagonal cutting saw pattern, deck plate moved apart or leaves framework, making whole saw blade all be in the below (see Fig. 1 C and 1D) of deck plate upper surface.
The overall construction design of another kind of compound saw is that saw blade (and power and transmission component) fixes (except the rotation around himself axle center) relative to framework and deck plate is also fixed relative to framework.This structure all the time some saw blade exceeds the upper surface of deck plate.Under diagonal cutting saw pattern, platform is cut protective guard lock and fix on a part of saw blade deck plate protected and exceeds deck plate; Under bench saw pattern, remove after the locking of guard shield is cut to platform and carry out platform cut work (see Fig. 1 E) again.
Because deck plate is larger, a heavier base support, so above-mentioned mobilizable deck plate structural design is obviously unfavorable for the monolithic stability of machine, operation can be given and manufacture and all make troubles; Again because a part of saw blade of the top of deck plate too exposes, so the hand of operator is easy to touch saw blade; Above-mentioned saw blade is exceeded all the time to the design of deck plate, due to the usual High Rotation Speed of saw blade, so both made to have added protective cover (for the consideration of cost, protective cover is generally made up of the plastic material that intensity is not high), also can leave hidden danger to safety.
In addition, above-mentioned two kinds of designs leave a difficult problem all to the protection of part saw blade under bench saw mode state of below deck plate.This is because in all designs, the protective cover of the part saw blade be used for below protecting stand panel is all design by the duty requirement of diagonal cutting saw pattern.That is, when the hinged end far away of framework upwarps, blade guard is closed up; Upwarping framework in the process of holding and pressing down, machine starts to enter duty, so blade guard is gradually opened and protected when deck plate is horizontal be covered with maximum joint open, thus meets the duty of diagonal cutting saw pattern completely.But; when being converted to bench saw pattern; deck plate must be locked in horizontal level and part saw blade below deck plate is the sawtooth that inoperative part can not have exposure; protective cover now owing to opening can not form available protecting, so must add protector or protection mechanism in addition herein under bench saw pattern to this part saw blade.
Summary of the invention
Technical problem
In view of the above-mentioned defect existed in prior art, the object of the present invention is to provide a kind of structure dexterous, easy and simple to handle, protect comprehensive Novel composite water saw.
Technical scheme
In order to solve the above-mentioned deficiency of prior art, the compound saw designed by the present invention adopt deck plate to maintain static relative to framework and saw blade (and power and transmission component) relative to the liftable structure of framework.
Particularly, according to an aspect of the present invention, provide a kind of compound saw, described compound saw comprises: framework, is fixed with deck plate at its top; Base assembly; Working rotary table assembly; Rocking bar framing holder, its between described framework and described working rotary table assembly and respectively with described framework and described working rotary table member hinges; Saw blade, it is for cut workpiece; Saw blade lifting device, it is arranged on the bottom of the side away from described framework and the hinged hinged end of described rocking bar framing holder of described framework, described saw blade is arranged on described saw blade lifting device, it is characterized in that, described saw blade can do elevating movement to change between bench saw pattern and diagonal cutting saw pattern relative to described framework, wherein, under described bench saw pattern, described saw blade is elevated to the top of described framework and makes a part for described saw blade higher than the upper surface of described deck plate by described saw blade lifting device; Under described diagonal cutting saw pattern, described saw blade is reduced to the bottom of described framework and makes whole described saw blade lower than the upper surface of described deck plate by described saw blade lifting device.
The mode that compound saw of the present invention utilizes the lifting of blade guard and saw blade to link has carried out the protection to the part saw blade below deck plate under bench saw mode state.That is, blade guard still presses diagonal cutting saw Model Design, in bench saw pattern, deck plate is locked in horizontal level, when saw blade (and power and transmission component) is in the bottom of framework, blade guard is still opened, but when saw blade (and power and transmission component) is risen to the framework upper required by bench saw pattern, blade guard is drawn in gradually until close up completely.
Particularly, compound saw described according to an aspect of the present invention, it is characterized in that, described saw blade lifting device has saw blade lifting plate, described saw blade is arranged on described saw blade lifting plate, described saw blade is set with saw bit protective shade assembly, described saw bit protective shade assembly is made up of front protection cover and rear shield, described front protection cover can make swinging motion around the axle center identical with the center of described saw blade with described rear shield, and in the process that described saw blade is elevated relative to described framework, described saw bit protective shade assembly is linked by link gear and described saw blade, when rising relative to described framework with the described saw blade of box lunch, described front protection cover and described rear shield are transformed into closed configuration from open configuration, and described front protection cover and described rear shield are transformed into open configuration from closed configuration when described saw blade declines relative to described framework.
Beneficial effect
This invention ensures that the stability of whole compound saw structure, security; The simplification of operation; Especially, after the structure adopting blade guard and saw blade lifting to link, utilize same protective cover, same set of mechanism, realize when any action need not be done saw blade effective protection in both modes more.The manufacture and use of giving compound saw are brought tremendous influence by design concept of the present invention, and design concept of the present invention is the revolutionary innovation of one to existing compound saw.
Accompanying drawing explanation
Figure 1A to 1E is the patten transformation schematic diagram of compound saw of the prior art, and wherein, Figure 1A and 1C shows deck plate parallel-moving type structure, and Fig. 2 B and 2D shows deck plate rotation formula structure, and Fig. 1 E shows deck plate stationary structure.
Fig. 2 A is the perspective view of off working state under the diagonal cutting saw pattern of the compound saw that the lifting of blade guard of the present invention and saw blade links (state upwarped away from the side of framework and the hinged hinged end of rocking bar framing holder of framework).
Fig. 2 B is the perspective view of duty under the diagonal cutting saw pattern of the compound saw that the lifting of blade guard of the present invention and saw blade links (side away from framework and the hinged hinged end of rocking bar framing holder of framework is by the state partly depressed).
Fig. 2 C is the location diagram of the lowering or hoisting gear of end-of-job state (deck plate on framework is in level, and saw blade center is in the bottom of framework) under the diagonal cutting saw pattern of the compound saw that the lifting of blade guard of the present invention and saw blade links, saw blade lifting plate, gangbar, protective cover link assembly.
Fig. 3 A is the perspective view of the duty (deck plate on framework is in level, and saw blade center is in the top of framework, and blade guard is closed) under the bench saw pattern of the compound saw that the lifting of blade guard of the present invention and saw blade links.
Fig. 3 B is the location diagram of the lowering or hoisting gear of duty (deck plate on framework is in level, and saw blade center is in the top of framework) under the bench saw pattern of the compound saw that the lifting of blade guard of the present invention and saw blade links, saw blade lifting plate, gangbar, protective cover link assembly.
Fig. 4 A to 4D is the schematic diagram of another four kinds of connected modes of the inside annexation of link assembly of the present invention.
Fig. 5 A and 5B is the schematic diagram of another two kinds of embodiments of saw blade lifting plate of the present invention and gangbar, and wherein, Fig. 5 A shows the structure of saw blade lifting plate relative to framework rotation, and Fig. 5 B shows the structure of saw blade lifting plate relative to framework translation.
Fig. 6 A to 6H is the schematic diagram of another eight kinds of embodiments of saw blade lifting device of the present invention.
Detailed description of the invention
Below, by reference to the accompanying drawings compound saw of the present invention is further described.Compound saw of the present invention is suitable for cutting the workpiece be made up of materials such as such as timber, plastics, soft metals, and can cut between pattern and oblique fracture pattern at platform and change.
As shown in Fig. 2 A to 2C, the compound saw of one of the present invention comprises: framework 8, is fixed with deck plate 9 at the top of framework 8; Base assembly 1, base assembly 1 is provided with can the working rotary table assembly 2 of left and right rotation in horizontal plane, and base assembly 1 is also provided with workpiece backup plate 3 regularly; Rocking bar framing holder 4, rocking bar framing holder 4 between framework 8 and working rotary table assembly 2 and respectively with framework 8 and working rotary table assembly 2 hinged; And saw blade (and power and transmission component) 6, it is for cut workpiece.
Be provided with knife plate 11 regularly on the top of the side of the close framework 8 of framework 8 hinged end hinged with rocking bar framing holder 4, have platform to cut guard shield 10 at the upper articulation with knife plate 11.On the top of the side of the hinged end hinged away from framework 8 and rocking bar framing holder 4 of framework 8, bat-handle switch assembly 7 is installed regularly, and in the bottom of the side away from this hinged end of framework 8, saw blade lifting device 12 is installed.Saw blade (and power and transmission component) 6 can be arranged on saw blade lifting device 12.
Particularly, rocking bar framing holder 4 is hinged with the rear end being positioned at workpiece backup plate 3 rear of working rotary table assembly 2.The upper articulation of framework 8 and rocking bar framing holder 4.
Saw blade (and power and transmission component) 6 can do elevating movement to change between bench saw pattern and diagonal cutting saw pattern relative to framework 8.Under bench saw pattern, saw blade 6 is elevated to the top of framework 8 and makes a part for saw blade 6 higher than the upper surface of deck plate 9 by saw blade lifting device 12; Under diagonal cutting saw pattern, saw blade 6 is reduced to the bottom of framework 8 and makes whole saw blade 6 lower than the upper surface of deck plate 9 by saw blade lifting device 12.
As shown in Fig. 2 A to 2C, saw blade lifting device 12 has saw blade lifting plate 13, and saw blade (and power and transmission component) 6 is arranged on saw blade lifting plate 13.Saw blade 6 is set with saw bit protective shade assembly 5, and saw bit protective shade assembly 5 is made up of front protection cover 5.1 and rear shield 5.2, and front protection cover 5.1 can make swinging motion around the axle center identical with the center of saw blade 6 with rear shield 5.2.In the process that saw blade 6 is elevated relative to framework 8, saw bit protective shade assembly 5 (front protection cover 5.1 and rear shield 5.2) is linked by link gear and saw blade 6, when rising relative to framework 8 with convenient saw blade 6, front protection cover 5.1 and rear shield 5.2 are transformed into closed configuration from open configuration, and front protection cover 5.1 and rear shield 5.2 are transformed into open configuration from closed configuration when saw blade 6 declines relative to framework 8.According to structural manufacturing process requirement, front protection cover 5.1 can be made folding two parts.
As shown in Fig. 2 C and 3B, above-mentioned saw blade lifting device 12 is made up of screw mandrel 12.1, screw rodb base 12.2, feed screw nut 12.3, lifting pull bar 12.4 and lifting handle 12.5; Screw rodb base 12.2 is fixedly mounted on the bottom of the side of the hinged end hinged away from framework 8 and rocking bar framing holder 4 of framework 8, screw mandrel 12.1 is enclosed within screw rodb base 12.2, feed screw nut 12.3 is enclosed within screw mandrel 12.1, one end and the feed screw nut 12.3 of lifting pull bar 12.4 are hinged, be elevated the other end of pull bar 12.4 and saw blade 6 (and power and transmission component) or saw blade lifting plate 13 hinged; Lifting handle 12.5 is connected to one end of screw mandrel 12.1.Holding lifting handle 12.5 drives screw mandrel 12.1 to rotate, and feed screw nut 12.3 can move horizontally on screw mandrel, thus drives one end of lifting pull bar 12.4 also to move horizontally.When feed screw nut 12.3 is near saw blade lifting plate 13, one end being provided with saw blade (and power and transmission component) of saw blade lifting plate can raise by lifting pull bar 12.4; When feed screw nut 12.3 is away from saw blade lifting plate 13, lifting pull bar 12.4 can drag down this one end of saw blade lifting plate.
Next, the mode of operation of compound saw of the present invention and the conversion of duty are described.
Fig. 2 A shows the off working state of the diagonal cutting saw pattern of compound saw of the present invention, now one end (namely away from the side of the hinged hinged end of framework 8 and rocking bar framing holder 4) being provided with handle 7 of framework 8 is upturned under elastic force effect, and one end O2 saw blade lifting plate 13 being provided with saw blade (and power and driving member) 6 is in the lower position of framework; Now whole saw blade is all in below the upper surface of deck plate 9, and the protective acoustic cover assembly 5 driven by link gear closes up and the protection of complete Pair of saw blades 6 completely.
As shown in Figure 2 B, when carrying out oblique fracture operation, pressed down one end of the tilting of framework 8, the front protection cover 5.1 of protective acoustic cover assembly 5 and the laminating limit of rear shield 5.2 are opened gradually, thus exposed portion saw blade carrys out cut workpiece.When being depressed into the position of deck plate 9 level, the angle that the former laminating limit of front protection cover 5.1 and rear shield 5.2 is opened is maximum.Also be now the ending phase of cut workpiece, if the external force of removing, framework 8 can be upturned again, and front protection cover 5.1 and rear shield 5.2 also can close up again, the protection of complete Pair of saw blades 6.
Fig. 3 A and 3B shows the working mode change mode of compound saw of the present invention.Fig. 3 A is the duty under bench saw pattern.The step being bench saw pattern by diagonal cutting saw patten transformation is: first one end that framework 8 tilts be depressed into the position of deck plate 9 level and carry out locking (as mentioned above; now the forward and backward guard shield angle of opening is maximum; thus can not the saw blade below deck plate be protected), then by being arranged on saw blade lifting device 12 in compound saw of the present invention the AnchorPoint O2 on saw blade lifting plate 13 is upwards promoted to gradually the top (see Fig. 3 B) of framework 8.Now blade guard 5 (front protection cover 5.1 and rear shield 5.2) can be closed up again completely, meanwhile, required a part of saw blade exceeds the upper surface of deck plate 9, thus bench saw can be carried out safely and cut, the protected working of part saw blade more than deck plate is cut guard shield 10 by platform and is completed.
Link gear in the present invention comprises gangbar and protective cover link assembly.Protective cover link assembly is at least made up of three connecting rods.One end and the saw blade lifting plate of gangbar are hinged, and one in the other end of gangbar and protective cover link assembly hinged or simultaneously piece hinged or simultaneously piece hinged with three in protective cover link assembly with two in protective cover link assembly.As shown in Figure 2 C, protective cover link assembly 15 is at least by lower link 15.1, and front protection cover connecting rod 15.2, rear shield connecting rod 15.3 forms.The outer end W1 of lower link 15.1 is connected with rocking bar framing holder 4, and the outer end W2 of front protection cover connecting rod 15.2 is connected with front protection cover 5.1, and the outer end W3 of rear shield connecting rod 15.3 is connected with rear shield 5.2.It can thus be appreciated that, the motion of link assembly except by except the motion effects of framework, also by the impact of gangbar by saw blade (and power and transmission component) elevating movement.The other end of the gangbar shown in Fig. 2 C is preferred embodiment with the lower link 15.1 in protective cover link assembly and the hinged mode of front protection cover connecting rod 15.2 simultaneously.
Embodiment one:
As shown in Fig. 2 C and 3B, the middle part of saw blade lifting plate 13 is hinged on the some O1 on framework, saw blade (and power and transmission component) 6 is arranged on one end O2 of saw blade lifting plate 13, one end of gangbar 14 is hinged on the other end O3 of saw blade lifting plate 13, and the other end of gangbar 14 and protective cover link assembly 15 hinged.Protective cover link assembly 15 is connected with protective acoustic cover assembly 5.Protective acoustic cover assembly 5 is sleeved on saw blade (and power and transmission component), can make swinging motion under the driving of protective cover link assembly around the axle center identical with saw blade.When saw blade lifting plate 13 is relative to framework rotation, one end O2 and the other end O3 of saw blade lifting plate 13 move along opposite directions.
Embodiment two:
As shown in Figure 5A, saw blade lifting plate 13 " one end O1 and frame articulation and become the axle center of saw blade lifting plate rotation; saw blade (and power and transmission component) is arranged on saw blade lifting plate 13 " other end O2 on, gangbar 14 " one end be hinged on saw blade lifting plate 13 " on point O1 and O2 between some O3.Gangbar 14 " at middle part by a coercive mechanism O4 to be hinged on framework then other end O5 and protective cover link assembly 15 hinged; with convenient gangbar 14 " point O2 and O3 of the other end O5 hinged with protective cover link assembly 15 when declining on lifter plate rise, and when gangbar and hinged other end O5 rising time point O2 and O3 of protective cover link assembly decline simultaneously simultaneously.
Embodiment three:
As shown in Figure 5 B, saw blade lifting plate 13 " to be fixed on fixed axis O2 or fixed guide thus saw blade lifting plate 13 " can relative to framework upper and lower translation, saw blade is arranged on saw blade lifting plate 13 " fixed axis O2 or fixed guide on.Gangbar 14 " one end O3 be hinged on any point on lifter plate; now gangbar 14 " also at middle part by a coercive mechanism O4 to be hinged on framework then other end O5 and protective cover link assembly 15 hinged, with convenient gangbar 14 " point O2 and O3 of the other end O5 hinged with protective cover link assembly 15 when declining on lifter plate synchronously to rise and when gangbar and hinged other end O5 rising time point O2 and O3 of protective cover link assembly synchronously decline.
Modified example
Screw mandrel pusher structure shown in Fig. 2 C is only representative configuration, and saw blade lifting device of the present invention is not limited thereto.As shown in Fig. 6 A to 6H, saw blade lifting device of the present invention can also adopt worm-and-wheel gear, wishbone lever mechanism, bevel gear mechanism, wedge block mechanism, screw mandrel slide block mechanism to realize the elevating movement of saw blade.Specifically, Fig. 6 A shows worm and gear lowering or hoisting gear, and wherein, the saw blade lifting plate of saw blade lifting device is provided with cotter way or composition surface, and worm gear is provided with pin, and this pin sleeve is in cotter way or composition surface; Fig. 6 B shows wishbone lever lowering or hoisting gear, and wherein lever drives shift fork rotates around coercive mechanism, and shift fork is formed cotter way or composition surface, and the pin sleeve on saw blade lifting plate is in cotter way or composition surface; Fig. 6 C shows bevel gear lowering or hoisting gear, and wherein, on screw mandrel, cover has threaded slide block, and in the cotter way of the pin sleeve on slide block on saw blade lifting plate or composition surface, saw blade lifting plate is around pin joint O1 rotation; Fig. 6 D shows bevel gear lowering or hoisting gear, and saw blade lifting plate is directly bonded to vertically translation on screw mandrel by slide block; Fig. 6 E shows voussoir lowering or hoisting gear, and wherein, saw blade lifting plate contacts with voussoir and vertically translation; Fig. 6 F shows voussoir lowering or hoisting gear, wherein, and the rotation by the pin on voussoir and cotter way of saw blade lifting plate; Fig. 6 G shows feed screw nut's slide block lowering or hoisting gear, wherein, and the rotation by the slide block be enclosed within screw mandrel and the pin be enclosed within cotter way of saw blade lifting plate; Fig. 6 H shows feed screw nut's slide block lowering or hoisting gear, and wherein, saw blade lifting plate is by being enclosed within slide block on screw mandrel and vertically translation.
Fig. 4 A to 4D shows another four kinds of forms of the inside annexation of protective cover link assembly.Fig. 4 A shows the hinged situation in the inners of three connecting rods; Fig. 4 B shows connecting rod 15.3 and is hinged on the middle part of connecting rod 15.1 and connecting rod 15.2 is hinged on the situation of the end of connecting rod 15.1; Fig. 4 C shows connecting rod 15.3 and is hinged on the end of connecting rod 15.1 and connecting rod 15.2 is hinged on the situation at the middle part of connecting rod 15.3; Fig. 4 D shows connecting rod 15.3 and is hinged on the end of connecting rod 15.1 and connecting rod 15.2 is hinged on the situation at the middle part of connecting rod 15.1.Connecting rod 15.1 in figure is as lower link, and connecting rod 15.2 is as front protection cover connecting rod, and connecting rod 15.3 is as rear shield connecting rod.
Compound saw of the present invention is not limited to instantiation described above.Such as, as selection, the rod member in gangbar and protective cover link assembly also can replace with components such as silk ropes.
As mentioned above; in the present invention; when being horizontal (under platform cuts pattern) when framework is locked in deck plate; by by the top of saw blade (and power and transmission component) from the lower lift of framework to framework; the forward and backward guard shield driven by gangbar and link assembly closes up by opening gradually to become, thus realizes the protection completely (see Fig. 3 A and Fig. 3 B) to the part saw blade below deck plate.
Above-mentioned technology contents disclosed according to the present invention, those skilled in the art can understand: design concept of the present invention ensure that the simplification of the stability of the structure of whole compound saw, security and operation; Especially, after have employed the structure that blade guard and saw blade lifting link, same protective cover, same set of mechanism can be utilized, realize when without the need to arranging protector in addition and any action need not being done more saw blade effective protection in both modes.
Design and manufacture of the present invention is all in accordance with European standard EN61029-2-11.Those skilled in the art, after have studied this standard, will be easier to understand flesh and blood of the present invention.
Hereinbefore, in conjunction with specific embodiments various embodiment of the present invention is described.But, should be understood that: the purpose of each embodiment of the present invention is not limitation of the present invention.Those skilled in the art can make various modifications and variations to the present invention under the inspiration of disclosure of the present invention.Scope of the present invention also should contain these amendment and modification.
Claims (13)
1. a compound saw, comprising:
Framework, is fixed with deck plate at its top;
Base assembly;
Working rotary table assembly;
Rocking bar framing holder, its between described framework and described working rotary table assembly and respectively with described framework and described working rotary table member hinges;
Saw blade, it is for cut workpiece; And
Saw blade lifting device, it is arranged on the bottom of the side away from described framework and the hinged hinged end of described rocking bar framing holder of described framework, and described saw blade is arranged on described saw blade lifting device,
It is characterized in that, described saw blade can do elevating movement to change between bench saw pattern and diagonal cutting saw pattern relative to described framework, wherein, under described bench saw pattern, described saw blade is elevated to the top of described framework and makes a part for described saw blade higher than the upper surface of described deck plate by described saw blade lifting device; Under described diagonal cutting saw pattern, described saw blade is reduced to the bottom of described framework and makes whole described saw blade lower than the upper surface of described deck plate by described saw blade lifting device.
2. compound saw according to claim 1, is characterized in that,
Described saw blade lifting device has saw blade lifting plate, described saw blade is arranged on described saw blade lifting plate, described saw blade is set with saw bit protective shade assembly, described saw bit protective shade assembly is made up of front protection cover and rear shield, described front protection cover can make swinging motion around the axle center identical with the center of described saw blade with described rear shield, and
In the process that described saw blade is elevated relative to described framework, described saw bit protective shade assembly is linked by link gear and described saw blade, when rising relative to described framework with the described saw blade of box lunch, described front protection cover and described rear shield are transformed into closed configuration from open configuration, and described front protection cover and described rear shield are transformed into open configuration from closed configuration when described saw blade declines relative to described framework.
3. compound saw according to claim 1 and 2, is characterized in that,
Described saw blade lifting device also has screw mandrel, screw rodb base, feed screw nut, lifting pull bar and lifting handle, described screw rodb base is fixed on the bottom of the front side of described framework, described screw rod bushing is in described screw rodb base, described feed screw nut is enclosed within described screw mandrel, one end and the described feed screw nut of described lifting pull bar are hinged, the other end of described lifting pull bar and described saw blade or described saw blade lifting plate hinged, described lifting handle is fixedly connected on one end of described screw mandrel.
4. compound saw according to claim 1 and 2, is characterized in that,
Described saw blade has power and transmission component.
5. compound saw according to claim 2, is characterized in that,
Described link gear comprises gangbar and protective cover link assembly.
6. compound saw according to claim 5, is characterized in that,
The middle part of described saw blade lifting plate and described frame articulation thus described saw blade lifting plate can relative to described framework rotation, described saw blade is arranged on one end of described saw blade lifting plate, the other end of described saw blade lifting plate and one end of described gangbar hinged, the other end and the described protective cover link assembly of described gangbar are hinged, and
When described saw blade lifting plate is relative to described framework rotation, one end and the other end of described saw blade lifting plate move along opposite directions.
7. compound saw according to claim 5, is characterized in that,
One end of described saw blade lifting plate and described frame articulation thus described saw blade lifting plate can relative to described framework rotation, described saw blade is arranged on the other end of described saw blade lifting plate, one end of described gangbar is hinged on the position between one end at described saw blade lifting plate on described saw blade lifting plate and the other end, the other end of described gangbar is hinged with described protective cover link assembly after coercive mechanism transition, and
When described saw blade lifting plate is relative to described framework rotation, the direction of motion of the other end of described saw blade lifting plate and one end of described gangbar the pin joint on described saw blade lifting plate is contrary with the direction of motion of the other end of described gangbar.
8. compound saw according to claim 5, is characterized in that,
Described saw blade lifting plate is fixed on fixed axis or fixed guide thus described saw blade lifting plate can relative to described framework translation, on the described fixed axis that described saw blade is arranged on described saw blade lifting plate or described fixed guide, one end of described gangbar is hinged on described saw blade lifting plate, the other end of described gangbar is hinged with described protective cover link assembly after coercive mechanism transition, and
When described saw blade lifting plate is relative to described framework translation, pin joint on described saw blade lifting plate of one end of described gangbar and the described fixed axis of described saw blade lifting plate or the direction of motion of described fixed guide contrary with the direction of motion of the other end of described gangbar.
9. compound saw according to claim 5, is characterized in that,
Described protective cover link assembly is at least made up of three connecting rods, and wherein, outer end and the described rocking bar framing holder of first connecting rod are hinged, and outer end and the described front protection cover of second connecting rod are hinged, and outer end and the described rear shield of the 3rd connecting rod are hinged.
10. compound saw according to claim 1 and 2, is characterized in that,
Described saw blade lifting device can adopt worm-and-wheel gear, wishbone lever mechanism, bevel gear mechanism, wedge block mechanism, screw mandrel slide block mechanism to realize the elevating movement of described saw blade.
11. compound saws according to claim 9, is characterized in that,
One end and the described saw blade lifting plate of described gangbar are hinged, a rod hinge connection in the other end of described gangbar and described protective cover link assembly or simultaneously with two rod hinge connections in described protective cover link assembly or simultaneously with three rod hinge connections in described protective cover link assembly.
12. compound saws according to claim 9, is characterized in that,
The inner of described three connecting rods is articulated with a bit.
13. compound saws according to claim 9, is characterized in that,
Two rod hinge connections in described three connecting rods are in a bit, and the middle part on the arbitrary connecting rod of another root rod hinge connection in described three connecting rods in described two connecting rods.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203008.8A CN105081453B (en) | 2014-05-14 | 2014-05-14 | Compound saw |
| PCT/CN2015/072637 WO2015172596A1 (en) | 2014-05-14 | 2015-02-10 | Compound saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203008.8A CN105081453B (en) | 2014-05-14 | 2014-05-14 | Compound saw |
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| Publication Number | Publication Date |
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| CN105081453A true CN105081453A (en) | 2015-11-25 |
| CN105081453B CN105081453B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410203008.8A Active CN105081453B (en) | 2014-05-14 | 2014-05-14 | Compound saw |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105081453B (en) |
| WO (1) | WO2015172596A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018053976A1 (en) * | 2016-09-20 | 2018-03-29 | 正阳实业投资有限公司 | Compound saw |
| US10537950B2 (en) | 2015-09-21 | 2020-01-21 | Ningbo Defeng Power Technology Co., Ltd. | Compound saw |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270756B (en) * | 2016-09-20 | 2018-04-17 | 正阳科技股份有限公司 | Compound saw |
| CN109530793B (en) * | 2019-01-16 | 2024-04-30 | 佛山顺德区三创智能装备有限责任公司 | Numerical control arbitrary angle cutting sawing machine |
| CN211614495U (en) * | 2019-09-25 | 2020-10-02 | 宁波协诚电动工具有限公司 | Composite saw |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1944142A1 (en) * | 2006-01-31 | 2008-07-16 | Black & Decker, Inc. | Mitre saw with top table |
| CN201161417Y (en) * | 2008-01-09 | 2008-12-10 | 王长江 | Bench saw slice lifting mechanism for composite saw |
| CN101804483A (en) * | 2010-03-25 | 2010-08-18 | 江苏金飞达电动工具有限公司 | Compound saw with liftable motor |
| CN201632714U (en) * | 2010-03-25 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Saw blade lifting height display of composite saw |
| CN201632878U (en) * | 2010-03-16 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Protective cover of composite saw |
| CN201783703U (en) * | 2010-08-06 | 2011-04-06 | 浙江世达工具制造有限公司 | Table sawing type table top protective cover of combined saw |
| CN201848596U (en) * | 2010-11-03 | 2011-06-01 | 麦太保电动工具(中国)有限公司 | Compound saw with saw blade protective device and saw blade protective device thereof |
| CN201889541U (en) * | 2010-08-06 | 2011-07-06 | 江苏金飞达电动工具有限公司 | Interlocking device of composite saw |
| CN102441706A (en) * | 2010-10-04 | 2012-05-09 | 株式会社牧田 | Mitre saw |
| CN203853623U (en) * | 2014-05-14 | 2014-10-01 | 宋希万 | Combined saw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8220372B2 (en) * | 2009-04-28 | 2012-07-17 | Credo Technology Corporation | Combination table-miter saw safety system |
-
2014
- 2014-05-14 CN CN201410203008.8A patent/CN105081453B/en active Active
-
2015
- 2015-02-10 WO PCT/CN2015/072637 patent/WO2015172596A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1944142A1 (en) * | 2006-01-31 | 2008-07-16 | Black & Decker, Inc. | Mitre saw with top table |
| CN201161417Y (en) * | 2008-01-09 | 2008-12-10 | 王长江 | Bench saw slice lifting mechanism for composite saw |
| CN201632878U (en) * | 2010-03-16 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Protective cover of composite saw |
| CN101804483A (en) * | 2010-03-25 | 2010-08-18 | 江苏金飞达电动工具有限公司 | Compound saw with liftable motor |
| CN201632714U (en) * | 2010-03-25 | 2010-11-17 | 江苏金飞达电动工具有限公司 | Saw blade lifting height display of composite saw |
| CN201783703U (en) * | 2010-08-06 | 2011-04-06 | 浙江世达工具制造有限公司 | Table sawing type table top protective cover of combined saw |
| CN201889541U (en) * | 2010-08-06 | 2011-07-06 | 江苏金飞达电动工具有限公司 | Interlocking device of composite saw |
| CN102441706A (en) * | 2010-10-04 | 2012-05-09 | 株式会社牧田 | Mitre saw |
| CN201848596U (en) * | 2010-11-03 | 2011-06-01 | 麦太保电动工具(中国)有限公司 | Compound saw with saw blade protective device and saw blade protective device thereof |
| CN203853623U (en) * | 2014-05-14 | 2014-10-01 | 宋希万 | Combined saw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10537950B2 (en) | 2015-09-21 | 2020-01-21 | Ningbo Defeng Power Technology Co., Ltd. | Compound saw |
| WO2018053976A1 (en) * | 2016-09-20 | 2018-03-29 | 正阳实业投资有限公司 | Compound saw |
| US10478906B2 (en) | 2016-09-20 | 2019-11-19 | Zhengyang Industry & Investment Co., Ltd. | Duplex saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105081453B (en) | 2018-02-02 |
| WO2015172596A1 (en) | 2015-11-19 |
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Effective date of registration: 20220913 Address after: Room 306, 3rd Floor, Building 4, No. 108, Changda Road, Donghu Street, Linping District, Hangzhou City, Zhejiang Province, 311103 Patentee after: Hangzhou Minqiang Intelligent Technology Co.,Ltd. Address before: No. 7 Zhenxing West Road, Yuyao City, Zhejiang Province 315403 Patentee before: NINGBO DEFENG POWER TECHNOLOGY Co.,Ltd. |