CN105081453B - Compound saw - Google Patents
Compound saw Download PDFInfo
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- CN105081453B CN105081453B CN201410203008.8A CN201410203008A CN105081453B CN 105081453 B CN105081453 B CN 105081453B CN 201410203008 A CN201410203008 A CN 201410203008A CN 105081453 B CN105081453 B CN 105081453B
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- saw blade
- saw
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- lifting plate
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 45
- 238000005520 cutting process Methods 0.000 claims abstract description 22
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- 238000009432 framing Methods 0.000 claims abstract description 16
- 230000003028 elevating effect Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- -1 timber Substances 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a kind of compound saw.The compound saw includes：Framework, deck plate is fixed with the top of it；Base assembly；Working rotary table component；Rocking bar framing holder, its between framework and working rotary table component and respectively with framework and working rotary table member hinges；Saw blade, it is used to cut workpiece；And saw blade lifting device, it is arranged on the bottom of the side for the hinged end that the remote framework of framework is hinged with rocking bar framing holder, saw blade is arranged on saw blade lifting device, it is characterized in that, saw blade can make elevating movement to be changed between table saw mode and diagonal cutting saw pattern relative to framework, wherein, under table saw mode, saw blade is increased to the top of framework and a part for saw blade is higher than the upper surface of deck plate by saw blade lifting device；Under diagonal cutting saw pattern, saw blade is reduced to the bottom of framework and makes whole saw blade less than the upper surface of deck plate by saw blade lifting device.
Description
Technical field
This invention relates generally to the cutter device for carrying out cutting operation to workpiece, more particularly to can be in bench saw
The compound saw changed between mode of operation and diagonal cutting saw mode of operation.
Background technology
In the prior art, compound saw generally includes framework 1 ", the deck plate 2 " for being arranged on frame roof, axle center are fixed on
Saw blade 5 " on framework and the base below framework and working rotary table (not shown).Under table saw mode, frame is arranged on
Deck plate 2 " on the top surface of frame 1 " needs horizontal positioned.The conversion regime of the mode of operation of compound saw is broadly divided into two classes.One
Class is the relative motion (including translate and rotate) relative to framework by deck plate, and another kind of locked by the way that platform is cut into shield
And unblock.The axle center of saw blade under both of these case is fixed relative to framework.
Specifically, the overall construction design of a kind of compound saw is saw blade (and its power and transmission component) relative to framework
It is fixed (except the rotation in its own axle center) and deck plate can translate relative to framework or around a certain true fixed-axis rotation.This
The bench saw mode of operation of the compound saw of kind has been come with the conversion of diagonal cutting saw mode of operation by regulation deck plate relative to the position of framework
Into.Under table saw mode, deck plate is shifted near to framework or turns near, make saw blade a part be higher by deck plate upper surface (see
Figure 1A and 1B)；Under diagonal cutting saw pattern, deck plate is moved away from or left framework, whole saw blade is at deck plate upper surface
Lower section (see Fig. 1 C and 1D).
The overall construction design of another kind of compound saw is that saw blade (and its power and transmission component) is fixed relative to framework
(except the rotation in its own axle center) and deck plate is fixed also relative to framework.The high appearance of some saw blade all the time of this structure
The upper surface of panel.Under diagonal cutting saw pattern, platform is cut into shield it is locked on deck plate protection and is higher by the part of deck plate and saw
Piece；Under table saw mode, platform cut work is carried out again after releasing the locking that shield is cut to platform (see Fig. 1 E).
Because deck plate is a larger, heavier base support, so above-mentioned mobilizable deck plate structure design
Obviously it is unfavorable for the monolithic stability of machine, operation and manufacture can be given all to make troubles；An and part for the top due to deck plate
Saw blade excessively exposes, so the hand of operator is easy to touch saw blade；It is higher by the design of deck plate all the time for above-mentioned saw blade,
Because saw blade generally rotates at a high speed, so both making to have added protective cover, (due to cost considerations, protective cover is not typically high by intensity
Plastic material is made), also it can leave hidden danger to safety.
In addition, above two design all leaves to protection of the part saw blade under table saw mode state below deck plate
Problem.All it is by diagonal cutting saw pattern for protecting the protective cover of the part saw blade below deck plate because in all designs
Working condition require design.That is, blade guard is closed up when the remote hinged end of framework upwarps；By frame
Frame is upwarped during end pushes, and machine initially enters working condition, and then blade guard is opened and in deck plate gradually
Protection is covered with the joint open of maximum when being horizontal, thus fully meets the working condition of diagonal cutting saw pattern.But when turn
When being changed to table saw mode, deck plate must be locked in part saw blade below horizontal level and deck plate as inoperative part not
There can be exposed sawtooth, now because the protective cover of opening can not form effective protection to the part saw blade, so in bench saw mould
Protector or protection mechanism must be added under formula in addition here.
The content of the invention
Technical problem
In view of drawbacks described above present in prior art, dexterous it is an object of the invention to provide a kind of structure, operation letter
Just, comprehensive novel composite water is protected to saw.
Technical scheme
In order to solve the above-mentioned deficiency of prior art, the compound saw designed by the present invention is consolidated using deck plate relative to framework
Fixed motionless and saw blade (and its power and transmission component) is relative to the liftable structure of framework.
Specifically, according to an aspect of the present invention, there is provided a kind of compound saw, the compound saw include：Framework, in Qi Ding
Portion is fixed with deck plate；Base assembly；Working rotary table component；Rocking bar framing holder, it is located at the framework and the working rotary table
Between component and respectively with the framework and the working rotary table member hinges；Saw blade, it is used to cut workpiece；Saw blade lifting
Device, it is arranged on the bottom of the side for the hinged end that the remote framework of the framework is hinged with the rocking bar framing holder,
The saw blade is arranged on the saw blade lifting device, it is characterised in that the saw blade can lift relative to the framework
Move to be changed between table saw mode and diagonal cutting saw pattern, wherein, under the table saw mode, the saw blade lifting device
The saw blade is increased to the top of the framework and a part for the saw blade is higher than the upper surface of the deck plate；Institute
State under diagonal cutting saw pattern, the saw blade is reduced to the bottom of the framework and makes the whole saw blade by the saw blade lifting device
Less than the upper surface of the deck plate.
The compound saw of the present invention is completed in table saw mode shape using the mode of the lifting linkage of blade guard and saw blade
To the protection of the part saw blade below deck plate under state.That is, blade guard still presses diagonal cutting saw Model Design, in bench saw
Pattern, deck plate are locked in horizontal level, and when saw blade (and its power and transmission component) is in the bottom of framework, saw blade is prevented
What shield still opened, but lifted when by saw blade (and its power and transmission component) to the framework upper required by table saw mode
When, blade guard collapses until fully coming together gradually.
Specifically, compound saw described according to an aspect of the present invention, it is characterised in that the saw blade lifting device tool
There is saw blade lifting plate, the saw blade is arranged on the saw blade lifting plate, and saw bit protective shade assembly is set with the saw blade,
The saw bit protective shade assembly is made up of front protection cover and rear shield, the front protection cover and the rear shield can around with the saw blade
Swinging motion is made in center identical axle center, and during the saw blade lifts relative to the framework, the saw blade is prevented
Cover assembly is linked by link gear and the saw blade, so as to the preceding shield when the saw blade rises relative to the framework
Cover and the rear shield are transformed into closed configuration from open configuration, and it is described when the saw blade declines relative to the framework before
Shield and the rear shield are transformed into open configuration from closed configuration.
Beneficial effect
This invention ensures that the stability of whole compound saw structure, security；The simplification of operation；In particular by saw blade
Protective cover with that after the structure of saw blade lifting linkage, using same protective cover, same set of mechanism, need not do the feelings of any action more
Effective protection to saw blade in both modes is realized under condition.The design concept of the present invention to the manufacture of compound saw and will use band
Carry out tremendous influence, design concept of the invention is a kind of revolutionary innovation to existing compound saw.
Brief description of the drawings
Figure 1A to 1E is the patten transformation schematic diagram of compound saw of the prior art, wherein, Figure 1A and 1C show table top
Plate parallel-moving type structure, Figure 1B and 1D show deck plate rotation formula structure, and Fig. 1 E show deck plate stationary structure.
Fig. 2A is the non-work under the blade guard of the present invention and the diagonal cutting saw pattern for lifting the compound saw to link of saw blade
Make the perspective view of state (state that the side for the hinged end that the remote framework of framework is hinged with rocking bar framing holder upwarps).
Fig. 2 B are the work under the blade guard of the present invention and the diagonal cutting saw pattern for lifting the compound saw to link of saw blade
The perspective view of state (state that the side for the hinged end that the remote framework of framework is hinged with rocking bar framing holder is partly depressed).
Fig. 2 C are the work under the blade guard of the present invention and the diagonal cutting saw pattern for lifting the compound saw to link of saw blade
Lowering or hoisting gear, the saw blade liter of done state (deck plate on framework is in horizontality, and saw blade center is in the bottom of framework)
Plate, gangbar, the location diagram of protective cover link assembly drop.
Fig. 3 A are the work shapes under the blade guard of the present invention and the table saw mode for lifting the compound saw to link of saw blade
State (deck plate on framework is in horizontality, and saw blade center is in the top of framework, and blade guard is closure) it is saturating
View.
Fig. 3 B are the work shapes under the blade guard of the present invention and the table saw mode for lifting the compound saw to link of saw blade
Lowering or hoisting gear, saw blade lifting plate, the connection of state (deck plate on framework is in horizontality, and saw blade center is in the top of framework)
The location diagram of lever, protective cover link assembly.
Fig. 4 A to 4D are the schematic diagrames of another four kinds of connected modes of the inside annexation of the link assembly of the present invention.
Fig. 5 A and 5B be the present invention saw blade lifting plate and gangbar another two kinds of embodiments schematic diagram, wherein, figure
5A shows construction of the saw blade lifting plate relative to framework rotation, and Fig. 5 B show saw blade lifting plate relative to framework translation
Construction.
Fig. 6 A to 6H are the schematic diagrames of another eight kinds of embodiments of the saw blade lifting device of the present invention.
Embodiment
Below, the compound saw of the present invention is further described with reference to accompanying drawing.The compound saw of the present invention is suitable to cutting by example
The workpiece as made of the materials such as timber, plastics, soft metal, and can cut in platform and be changed between pattern and oblique fracture pattern.
As shown in Fig. 2A to 2C, a kind of compound saw of the invention includes：Framework 8, deck plate is fixed with the top of framework 8
9；Base assembly 1, be provided with base assembly 1 can left and right rotation in the horizontal plane working rotary table component 2, in base group
Workpiece backup plate 3 is also fixedly mounted with part 1；Rocking bar framing holder 4, rocking bar framing holder 4 are located at framework 8 and working rotary table component 2
Between and it is be hinged with framework 8 and working rotary table component 2 respectively；And saw blade (and its power and transmission component) 6, it is used to cut
Cut workpiece.
Be fixedly mounted with the top of the side for the hinged end that close framework 8 and the rocking bar framing holder 4 of framework 8 are hinged with
Knife plate 11, there is platform to cut shield 10 in the upper articulation with knife plate 11.It is hinged in the remote framework 8 of framework 8 with rocking bar framing holder 4
The top of the side of hinged end is fixedly mounted with bat-handle switch component 7, and in the side away from the hinged end of framework 8
Bottom is provided with saw blade lifting device 12.Saw blade (and its power and transmission component) 6 may be mounted on saw blade lifting device 12.
Specifically, rocking bar framing holder 4 and working rotary table component 2 are hinged positioned at the rear end at the rear of workpiece backup plate 3.Framework 8
With the upper articulation of rocking bar framing holder 4.
Saw blade (and its power and transmission component) 6 can make elevating movement so as in table saw mode and tiltedly relative to framework 8
Changed between disconnected saw pattern.Under table saw mode, saw blade 6 is increased to the top of framework 8 and makes saw blade by saw blade lifting device 12
6 part is higher than the upper surface of deck plate 9；Under diagonal cutting saw pattern, saw blade 6 is reduced to framework by saw blade lifting device 12
8 bottom and make whole saw blade 6 be less than deck plate 9 upper surface.
As shown in Fig. 2A to 2C, saw blade lifting device 12 has a saw blade lifting plate 13, and saw blade (and its power and transmission
Component) 6 be arranged on saw blade lifting plate 13 on.Be set with saw bit protective shade assembly 5 on saw blade 6, saw bit protective shade assembly 5 by
Front protection cover 5.1 and rear shield 5.2 form, and front protection cover 5.1 and rear shield 5.2 can be around the center identical axle center with saw blade 6
Make swinging motion.During saw blade 6 lifts relative to framework 8, saw bit protective shade assembly 5 (front protection cover 5.1 and rear shield
5.2) linked by link gear and saw blade 6, so as to front protection cover 5.1 and rear shield 5.2 when saw blade 6 rises relative to framework 8
Closed configuration is transformed into from open configuration, and front protection cover 5.1 and rear shield 5.2 are from closing up when saw blade 6 declines relative to framework 8
State Transferring is to open configuration.Required according to structural manufacturing process, front protection cover 5.1 can be made to folding two parts.
As shown in Fig. 2 C and 3B, above-mentioned saw blade lifting device 12 by screw mandrel 12.1, screw rodb base 12.2, feed screw nut 12.3,
Lifting pull bar 12.4 and lifting handle 12.5 form；Screw rodb base 12.2 is fixedly mounted on the remote framework 8 and rocking bar frame of framework 8
The bottom of the side of the be hinged hinged end of stand 4, screw mandrel 12.1 are enclosed in screw rodb base 12.2, and feed screw nut 12.3 is enclosed on screw mandrel
On 12.1, one end and feed screw nut 12.3 for lifting pull bar 12.4 are hinged, and lift the other end and saw blade 6 of pull bar 12.4
(and its power and transmission component) or saw blade lifting plate 13 are be hinged；Lifting handle 12.5 is connected to one end of screw mandrel 12.1.Hold
Lifting handle 12.5 drives screw mandrel 12.1 to rotate, and feed screw nut 12.3 can move horizontally on screw mandrel, so as to drive lifting to push away
One end of pull bar 12.4 also moves horizontally.When feed screw nut 12.3 is close to saw blade lifting plate 13, the meeting of pull bar 12.4 is lifted
One end for being provided with saw blade (and its power and transmission component) of saw blade lifting plate is raised；When feed screw nut 12.3 is away from saw blade
During lifter plate 13, lifting pull bar 12.4 can drag down this one end of saw blade lifting plate.
Next, the conversion of the mode of operation and working condition of the compound saw of the description present invention.
Fig. 2A shows the off working state of the diagonal cutting saw pattern of the compound saw of the present invention, and now framework 8 is provided with hand
One end (side for the hinged end being hinged away from framework 8 with rocking bar framing holder 4) of handle 7 is upturned under elastic force effect, saws
One end O2 that saw blade (and its power and driving member) 6 is provided with piece lifter plate 13 is in the lower position of framework；It is now whole
Saw blade all in the upper surface of deck plate 9 below, and the protective acoustic cover assembly 5 driven by link gear fully comes together and completed pair
The protection of saw blade 6.
As shown in Figure 2 B, when carrying out oblique fracture operation, one end of the tilting of framework 8 is pushed, the preceding shield of protective acoustic cover assembly 5
Cover 5.1 and the fitting side of rear shield 5.2 open gradually, so as to which exposed portion saw blade cuts workpiece.It is horizontal when being depressed into deck plate 9
Position when, the angle that the former fitting side of front protection cover 5.1 and rear shield 5.2 is opened is maximum.Now and cutting workpiece knot
In the beam stage, if removing external force, framework 8 can be upturned again, and front protection cover 5.1 and rear shield 5.2 can also close up again, complete
Protection to saw blade 6.
Fig. 3 A and 3B show the working mode change mode of the compound saw of the present invention.Fig. 3 A are the work under table saw mode
Make state.The step of by diagonal cutting saw patten transformation being table saw mode is：One end that framework 8 tilts first is depressed into the water of deck plate 9
Flat position and locked (as described above, the angle that now forward and backward shield is opened is maximum, thus can not be to deck plate
Following saw blade is protected), then by the saw blade lifting device 12 in the compound saw of the present invention by saw blade lifting
AnchorPoint O2 on plate 13 is up-shifted to the top of framework 8 gradually (referring to Fig. 3 B).Now (the front protection cover of blade guard 5
5.1 and rear shield 5.2) can fully come together again, at the same time, required a part of saw blade is higher by the upper surface of deck plate 9,
It cut so as to safely carry out bench saw, the protected working of part saw blade more than deck plate is cut shield 10 by platform and completed.
Link gear in the present invention includes gangbar and protective cover link assembly.Protective cover link assembly is at least by three
Connecting rod forms.One end of gangbar is hinged with saw blade lifting plate, the other end and one in protective cover link assembly of gangbar
It is hinged or is hinged with two in protective cover link assembly or is cut with scissors simultaneously with three in protective cover link assembly simultaneously
Connect.As shown in Figure 2 C, protective cover link assembly 15 is at least by lower link 15.1, front protection cover connecting rod 15.2, rear shield connecting rod 15.3
Composition.The outer end W1 of lower link 15.1 is connected with rocking bar framing holder 4, and outer end W2 and the front protection cover 5.1 of front protection cover connecting rod 15.2 connect
Connect, and the outer end W3 of rear shield connecting rod 15.3 is connected with rear shield 5.2.It follows that the motion of link assembly is removed by framework
Motion influence outer, also influenceed by gangbar by saw blade (and its power and transmission component) elevating movement.Shown in Fig. 2 C
The other end of gangbar mode simultaneously be hinged with the lower link 15.1 in protective cover link assembly and front protection cover connecting rod 15.2 is
Preferred embodiment.
Embodiment one：
As shown in Fig. 2 C and 3B, the middle part of saw blade lifting plate 13 is hinged on the point O1 on framework, saw blade (and its power and
Transmission component) 6 be arranged on saw blade lifting plate 13 one end O2, one end of gangbar 14 is hinged on the other end of saw blade lifting plate 13
O3, and the other end of gangbar 14 is be hinged with protective cover link assembly 15.Protective cover link assembly 15 connects with protective acoustic cover assembly 5
Connect.Protective acoustic cover assembly 5 is sleeved on saw blade (and its power and transmission component), under the driving of protective cover link assembly can around with
Make swinging motion in saw blade identical axle center.When saw blade lifting plate 13 is relative to framework rotation, one end O2 of saw blade lifting plate 13
Moved in mutually opposite directions with other end O3.
Embodiment two：
As shown in Figure 5A, one end O1 of saw blade lifting plate 13 " and frame articulation and as the axle center of saw blade lifting plate rotation,
Saw blade (and its power and transmission component) is arranged on the other end O2 of saw blade lifting plate 13 ", and one end of gangbar 14 " is hinged on
The point O3 between point O1 and O2 on saw blade lifting plate 13 ".Gangbar 14 " is hinged on frame at middle part by a coercive mechanism O4
It is on frame and then be hinged in other end O5 and protective cover link assembly 15, so as to when gangbar 14 " and protective cover link assembly 15
Point O2 and O3 when be hinged other end O5 declines on lifter plate rise simultaneously, and when gangbar is hinged with protective cover link assembly
Other end O5 rise time point O2 and O3 decline simultaneously.
Embodiment three：
As shown in Figure 5 B, saw blade lifting plate 13 " is fixed on fixing axle O2 or fixed guide rails so as to which saw blade lifting plate 13 " can
Relative to framework upper and lower translation, saw blade is arranged on the fixing axle O2 or fixed guide rails of saw blade lifting plate 13 ".Gangbar 14 "
One end O3 is hinged on any point on lifter plate, and now gangbar 14 " is also hinged on frame at middle part by a coercive mechanism O4
It is on frame and then be hinged in other end O5 and protective cover link assembly 15, so as to when gangbar 14 " and protective cover link assembly 15
Point O2 and O3 when be hinged other end O5 declines on lifter plate synchronously rise and when gangbar is hinged with protective cover link assembly
Other end O5 rise time point O2 and O3 and synchronously decline.
Modified example
Screw mandrel pusher structure shown in Fig. 2 C is merely exemplary to construct, saw blade lifting device not limited to this of the invention.
As shown in Fig. 6 A to 6H, saw blade lifting device of the invention can also use worm-and-wheel gear, wishbone lever mechanism, bevel gear
Mechanism, wedge block mechanism, screw mandrel slide block mechanism realize the elevating movement of saw blade.Specifically, Fig. 6 A show worm gear snail
Bar lowering or hoisting gear, wherein, the saw blade lifting plate of saw blade lifting device is provided with cotter way or composition surface, and pin is provided with worm gear,
The pin sleeve is in cotter way or composition surface；Fig. 6 B show wishbone lever lowering or hoisting gear, and wherein lever drives shift fork is around hinged
Point rotation, formed with cotter way or composition surface on shift fork, the pin sleeve on saw blade lifting plate is in cotter way or composition surface；Fig. 6 C
Bevel gear lowering or hoisting gear is shown, wherein, it is cased with threaded sliding block on screw mandrel, the pin sleeve on sliding block is in saw blade lifting plate
On cotter way or composition surface in, saw blade lifting plate is around pin joint O1 rotations；Fig. 6 D show bevel gear lowering or hoisting gear, saw blade lifting
Plate is directly bonded on screw mandrel by sliding block vertically to translate；Fig. 6 E show voussoir lowering or hoisting gear, wherein, saw blade liter
Drop plate is contacted with voussoir and vertically translated；Fig. 6 F show voussoir lowering or hoisting gear, wherein, saw blade lifting plate passes through voussoir
On pin and cotter way and rotation；Fig. 6 G show feed screw nut's sliding block lowering or hoisting gear, wherein, saw blade lifting plate is by being enclosed on
Sliding block on screw mandrel and the pin that is enclosed in cotter way and rotation；Fig. 6 H show feed screw nut's sliding block lowering or hoisting gear, wherein, saw blade
Lifter plate is vertically translated by the sliding block being enclosed on screw mandrel.
Fig. 4 A to 4D show another four kinds of forms of the inside annexation of protective cover link assembly.Fig. 4 A show three
The inner hinged situation of connecting rod；Fig. 4 B show that connecting rod 15.3 is hinged on the middle part of connecting rod 15.1 and connecting rod 15.2 is cut with scissors
It is connected on the situation of the end of connecting rod 15.1；Fig. 4 C show that connecting rod 15.3 is hinged on the end of connecting rod 15.1 and connecting rod 15.2 is cut with scissors
It is connected on the situation at the middle part of connecting rod 15.3；Fig. 4 D show that connecting rod 15.3 is hinged on the end of connecting rod 15.1 and connecting rod 15.2 is cut with scissors
It is connected on the situation at the middle part of connecting rod 15.1.Connecting rod 15.1 in figure is used as lower link, and connecting rod 15.2 is used as front protection cover connecting rod, and
Connecting rod 15.3 is used as rear shield connecting rod.
The compound saw of the present invention is not limited to instantiation described above.Such as, it is alternatively that, gangbar and protective cover
Rod member in link assembly can also be replaced with components such as cords.
As described above, in the present invention, it is horizontal when framework is locked in deck plate (in the case where platform cuts pattern)
When, by by saw blade (and its power and transmission component) from the lower lift of framework to the top of framework, by gangbar and connecting rod
The forward and backward shield of Component driver becomes to close up gradually by opening, so as to realize the complete guarantor to the part saw blade below deck plate
Shield is (referring to Fig. 3 A and Fig. 3 B).
According to above-mentioned technology contents disclosed in this invention, those skilled in the art it will be appreciated that：The design of the present invention
Design ensure that stability, security and the simplification of operation of the structure of whole compound saw；Especially prevent employing saw blade
Shield is with that after the structure of saw blade lifting linkage, can utilize same protective cover, same set of mechanism, without setting protector in addition
And effective protection to saw blade in both modes is realized in the case of any action need not be done more.
European standard EN61029-2-11 is observed in the design and manufacture of the present invention.Those skilled in the art have studied
After the standard, the substantive content of the present invention will be better understood.
Hereinbefore, the various embodiments of the present invention are described in conjunction with specific embodiments.However, it should manage
Solution be：Each embodiment of the present invention is not intended to limitation of the present invention.Those skilled in the art is the present invention's
Under the inspiration of disclosure various modifications and variations can be made to the present invention.The scope of the present invention should also be as covering these modifications
And modification.
Claims (12)
1. a kind of compound saw, including：
Framework, deck plate is fixed with the top of it；
Base assembly；
Working rotary table component；
Rocking bar framing holder, its between the framework and the working rotary table component and respectively with the framework and the work
It is hinged as rotary disc assembly；
Saw blade, it is used to cut workpiece；And
Saw blade lifting device, it is arranged on the hinged end that the remote framework of the framework is hinged with the rocking bar framing holder
The bottom of side, the saw blade are arranged on the saw blade lifting device,
Characterized in that, the saw blade can make elevating movement so as in table saw mode and diagonal cutting saw pattern relative to the framework
Between change, wherein, under the table saw mode, the saw blade is increased to the top of the framework by the saw blade lifting device
And a part for the saw blade is set to be higher than the upper surface of the deck plate；Under the diagonal cutting saw pattern, the saw blade lifting dress
The upper surface that the saw blade is reduced to the bottom of the framework and makes the whole saw blade be less than the deck plate is put, and
The saw blade lifting device also has screw mandrel, screw rodb base, feed screw nut, saw blade lifting plate, lifting pull bar and lifting hand
Handle, the screw rodb base are fixed on the bottom of the front side of the framework, and the screw rod bushing is in the screw rodb base, the feed screw nut
It is enclosed on the screw mandrel, one end of the lifting pull bar is hinged with the feed screw nut, the other end of the lifting pull bar
It is hinged with the saw blade or the saw blade lifting plate, the lifting handle is fixedly connected on one end of the screw mandrel.
2. compound saw according to claim 1, it is characterised in that
The saw blade is arranged on the saw blade lifting plate, and saw bit protective shade assembly, the saw blade are set with the saw blade
Protective acoustic cover assembly is made up of front protection cover and rear shield, and the front protection cover and the rear shield can be around identical with the center of the saw blade
Axle center make swinging motion, and
The saw blade relative to the framework lift during, the saw bit protective shade assembly by link gear with it is described
Saw blade links, so that the front protection cover when the saw blade rises relative to the framework and the rear shield turn from open configuration
Change to closed configuration, and the front protection cover and the rear shield are from closed configuration when the saw blade declines relative to the framework
It is transformed into open configuration.
3. compound saw according to claim 1 or 2, it is characterised in that
The saw blade has power and transmission component.
4. compound saw according to claim 2, it is characterised in that
The link gear includes gangbar and protective cover link assembly.
5. compound saw according to claim 4, it is characterised in that
The middle part of the saw blade lifting plate and the frame articulation so as to the saw blade lifting plate can relative to the framework rotation,
The saw blade is arranged on one end of the saw blade lifting plate, the other end of the saw blade lifting plate and one end of the gangbar
Be hinged, the other end of the gangbar is hinged with the protective cover link assembly, and
When the saw blade lifting plate is relative to the framework rotation, one end of the saw blade lifting plate and the other end are along phase each other
Anti- direction motion.
6. compound saw according to claim 4, it is characterised in that
One end of the saw blade lifting plate and the frame articulation so as to the saw blade lifting plate can relative to the framework rotation,
The saw blade is arranged on the other end of the saw blade lifting plate, and one end of the gangbar is hinged on the saw blade lifting plate
The position between one end of the saw blade lifting plate and the other end, the other end of the gangbar is after coercive mechanism transition
It is hinged with the protective cover link assembly, and
When the saw blade lifting plate is relative to the framework rotation, the other end of the saw blade lifting plate and the one of the gangbar
Hold the direction of motion of the pin joint on the saw blade lifting plate opposite with the direction of motion of the other end of the gangbar.
7. compound saw according to claim 4, it is characterised in that
The saw blade lifting plate is fixed on fixing axle or fixed guide rail so as to which the saw blade lifting plate can be relative to the framework
Translation, the saw blade are arranged on the fixing axle or the fixed guide rail of the saw blade lifting plate, and the one of the gangbar
End is hinged on the saw blade lifting plate, the other end of the gangbar after coercive mechanism transition with the protective cover link assembly
It is be hinged, and
When the saw blade lifting plate is relative to the framework translation, one end of the gangbar is on the saw blade lifting plate
The direction of motion of the fixing axle or the fixed guide rail of pin joint and the saw blade lifting plate is another with the gangbar
The direction of motion at end is opposite.
8. compound saw according to claim 4, it is characterised in that
The protective cover link assembly is at least made up of three connecting rods, wherein, the outer end of first connecting rod and the rocking bar framework
Seat is be hinged, and the outer end of second connecting rod is hinged with the front protection cover, and outer end and the rear shield of the 3rd connecting rod are hinged.
9. compound saw according to claim 1 or 2, it is characterised in that
The saw blade lifting device can use worm-and-wheel gear, wishbone lever mechanism, bevel gear mechanism, wedge block machine
Structure, screw mandrel slide block mechanism realize the elevating movement of the saw blade.
10. compound saw according to claim 8, it is characterised in that
One end of the gangbar is hinged with the saw blade lifting plate, the other end of the gangbar and the protective cover connection rod set
A rod hinge connection in part or simultaneously with two rod hinge connections in the protective cover link assembly or simultaneously with institute
State three rod hinge connections in protective cover link assembly.
11. compound saw according to claim 8, it is characterised in that
The inner of three connecting rods is articulated with a bit.
12. compound saw according to claim 8, it is characterised in that
Two rod hinge connections in three connecting rods are in a bit, and another rod hinge connection in three connecting rods is described
The middle part on any connecting rod in 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105081453A CN105081453A (en) | 2015-11-25 |
| CN105081453B true CN105081453B (en) | 2018-02-02 |
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Family Applications (1)
| 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) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205020940U (en) | 2015-09-21 | 2016-02-10 | 杭州鲁茨科技有限公司 | Combined saw |
| CN106270756B (en) * | 2016-09-20 | 2018-04-17 | 正阳科技股份有限公司 | Compound saw |
| WO2018053976A1 (en) * | 2016-09-20 | 2018-03-29 | 正阳实业投资有限公司 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8220372B2 (en) * | 2009-04-28 | 2012-07-17 | Credo Technology Corporation | Combination table-miter saw safety system |
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| 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 |
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| CN102441706A (en) * | 2010-10-04 | 2012-05-09 | 株式会社牧田 | Mitre saw |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105081453A (en) | 2015-11-25 |
| WO2015172596A1 (en) | 2015-11-19 |
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