CN104816038B - Table saw - Google Patents
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- CN104816038B CN104816038B CN201410602603.9A CN201410602603A CN104816038B CN 104816038 B CN104816038 B CN 104816038B CN 201410602603 A CN201410602603 A CN 201410602603A CN 104816038 B CN104816038 B CN 104816038B
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- output shaft
- fixed
- fixation
- fixing device
- rotary cutter
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Abstract
The table saw of cut part is cut the present invention relates to a kind of rotary cutter is arranged on output shaft.In the table saw, it is not necessary to use operation instrument, just rotary cutter can be installed and dismantled.The fixing device being arranged on output shaft has：Thrust flanges part, it is used to saw blade being fixed on output shaft；Operating handle, it is used for the operation tightened or unscrewed for carrying out thrust flanges part.The bearing between thrust flanges part and operating handle is arranged on to be made up of the needle roller thrust bearing that can mitigate the friction produced between thrust flanges part and operating handle.Bearing can mitigate operating handle pivoting friction because caused by close to output shaft well because thrust flanges part is when tightening or rotating unscrewing.So as to which when tightening the thrust flanges part for making saw blade be fixed on output shaft, it is not necessary to use operation instrument, tool-user just can carry out good operation with hand to operating handle.
Description
Technical field
The rotary cutters such as circular cast-cutting saw slice are arranged on output shaft the present invention relates to a kind of, to cut cut part
Table saw.
Background technology
In the prior art, a kind of table saw such as annular saw known in people, the table saw passes through
The cast-cutting saw slice (hereinafter referred to as " rotary cutter ") of circle is set to rotate to cut cut part.The table saw passes through electronic horse
Driving force is rotated up to producing.The rotation driving force is delivered to the output shaft for being provided with rotary cutter.Therefore, on the output shaft
It is provided with the cutter holder for rotary cutter to be fixedly mounted.Cutter holder disclosed in following patent documents is made
Make the improvement that rotary cutter will not loosen by the rotation of output shaft.
【Patent document 1】Japanese invention patent gazette the 5275044th
Above-mentioned cutter holder can be such that rotary cutter is securely fixed on output shaft.Therefore, by rotary cutter
When tightening on output shaft or screwing down the rotary cutter from output shaft, it is otherwise needed for operating the cutter to consolidate
Determine the operation instrument of device.So, if additionally needing operation instrument, in tool operating fixing device, it is necessary to take out
Operation instrument, so that the replacement operation change of cutter is cumbersome.In addition, if if needing to use operation instrument like this, then
The burden of management operation instrument can be increased to tool-user, and be made troubles to operation.
The content of the invention
In view of the foregoing, rotary cutter is arranged on output shaft it is an object of the invention to provide one kind, to cut
The table saw of part is cut, in the table saw, it is not necessary to just rotary cutter can be carried out using operation instrument
Install and dismantle.
When solving the above problems, table saw involved in the present invention can be adopted the following technical scheme that.
That is, technical scheme 1 is：A kind of table saw, by by rotary cutters such as circular cast-cutting saw slices
On output shaft, to cut cut part,
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it is used for the operation tightened or unscrewed for carrying out the fixation portion,
From the operating portion to the fixation portion operate the region of transmission, be provided with and fixed for mitigating this
The friction mitigation portion of the friction produced between service portion and the fixation operating portion.
According to the technical scheme 1, the cutter holder being arranged on output shaft has：Fixation portion, its be used for by
Rotary cutter is fixed on output shaft；Fixed operating portion, it is used for the operation tightened or unscrewed that service portion is fixed.This
In, it is arranged on from fixed operating portion to fixation portion and operate the friction mitigation portion in the region of transmission to mitigate fixation
The friction produced between service portion and fixed operating portion.So as to make rotary cutter be fixed on the fixed work on output shaft tightening
When using portion, it is not necessary to use operation instrument, tool-user just can be operated with hand to fixed operating portion.Therefore, use
During technical scheme 1, it is not necessary to operation instrument, just rotary cutter can be installed and dismantled.
In addition, on the basis of above-mentioned technical proposal 1, technical scheme 2 is：The fixed operating portion is with institute
The mode rotated in the rotation direction of output shaft is stated to be supported by, and by being rotated in the rotation direction, in axially closer to this
Output shaft or the remote output shaft, so as to tighten or unscrew the fixation portion,
The friction mitigation portion is made up of the rolling bearing that the fixed operating portion is accepted on the axial direction.
According to the technical scheme 2, friction mitigation portion is made up of the rolling bearing for receiving fixed operating portion in the axial direction.This
In, friction mitigation portion can mitigate fixed operating portion well because close because fixation portion is when tightening or rotating unscrewing
Pivoting friction caused by output shaft.So as to when tightening the fixation portion for making rotary cutter be fixed on output shaft, be not required to
Operation instrument is used, tool-user just can carry out good operation with hand to fixed operating portion.So as to turn tightening
When cutter is fixed on the fixation portion on output shaft, it is not necessary to use operation instrument, tool-user hand just can be right
Fixed operating portion carries out good operation.
In addition, on the basis of above-mentioned technical proposal 2, technical scheme 3 is：The friction mitigation portion is by thrust
Needle bearing is constituted.According to the technical scheme 3, because friction mitigation portion is made up of needle roller thrust bearing, it is thus possible to using compared with
The small rolling bearing for accepting fixed operating portion in the axial direction.So as to realize the miniaturization of cutter holder, platform is improved
The operation convenience of formula cutting machine.
In addition, technical scheme 4 is：A kind of table saw, by by rotating knifes such as circular cast-cutting saw slices
Tool is arranged on output shaft, to cut cut part,
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it is used for the operation tightened or unscrewed for carrying out the fixation portion,
The fixed operating portion is supported by the way of being rotated in the rotation direction in the output shaft, and with cam,
By making the fixed operating portion be rotated in the rotation direction, the cam is in making the fixation on axial direction
Portion is close to the output shaft or away from the output shaft, so as to tighten or unscrew the fixation portion.
According to the technical scheme 4, fixed operating portion has cam, by making the fixed operating portion in the rotation direction
Rotate, the cam is in making the fixation portion close to the output shaft or the remote output shaft on axial direction, so as to twist
It is tight or unscrew fixation portion.Here, when tightening fixation portion, tool-user hand just can be to fixed operating portion
Operated, tighten or unscrew fixation portion, also, it is not necessary to using operation instrument, just can be carried out to rotary cutter
Install and dismantle.
In addition, technical scheme 5 is：A kind of table saw, by by rotating knifes such as circular cast-cutting saw slices
Tool is arranged on output shaft, to cut cut part, it is characterised in that
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it is used for the operation tightened or unscrewed for carrying out the fixation portion,
The fixed operating portion has spanner portions,
The spanner portions are supported in the protection cover portion for the periphery for covering the rotary cutter and can rotated, and can
The fixation portion is operated.
According to the technical scheme 5, fixed operating portion has spanner portions, and the spanner portions are supported on the protection for covering rotary cutter
It in cover portion and can rotate, and fixation portion can be operated.So as to when tightening fixation portion, it is not necessary to
Prepare Wrench in addition, tool-user just can be operated with hand to fixed operating portion.Therefore, using technical scheme 5
When, it is not necessary to operation instrument, just rotary cutter can be installed and dismantled.
Brief description of the drawings
Fig. 1 be from left sides table saw when overall side view.
Overall side view when Fig. 2 is the table saw from right side.
Fig. 3 is the sectional view for representing section vertical with the bearing of trend of output shaft in the 1st embodiment.
Fig. 4 be represent the fixing device in Fig. 3 allocation position amplification after sectional view.
Fig. 5 be represent the 2nd embodiment fixing device amplification after sectional view.
Fig. 6 is the sectional view along (VI) in Fig. 5-(VI) line cutting.
Fig. 7 be represent the 3rd embodiment in axial load mitigation state fixing device amplification after stereogram.
Fig. 8 is to represent the sectional view along (VIII) in Fig. 7-(VIII) line cutting.
Stereogram when Fig. 9 is the axial load increase state for representing the fixing device shown in Fig. 7.
Figure 10 is to represent the sectional view along (X) in Fig. 9-(X) line cutting.
Figure 11 be represent the 4th embodiment fixing device amplification after sectional view.
Figure 12 is to represent the sectional view along the fixing device of (XII) in Figure 11-(XII) line cutting.
Figure 13 is sectional view when representing the test section of the latch-release state of the fixing device shown in Figure 12.
Figure 14 be represent the 5th embodiment fixing device amplification after sectional view.
Figure 15 be represent the 6th embodiment fixing device amplification after sectional view.
Figure 16 be represent the 7th embodiment fixing device amplification after sectional view.
【Description of reference numerals】
10：Table saw；11：Workbench；12：Work top；13：1st baffle plate；14：Fixed lever；15：2nd gear
Plate；16：Fixed handle；17：Support connection portion；18：Rotate axle portion；20：Cutter body；21：Handle portion；210：Handle case
Body；215：Rotating support portion；23：1st shank part；24：Operating trigger；25：2nd shank part；26：Power line portion；31：Motor
Portion；310：Motor shell portion；32：Brush motor；33：Magnetic field portion；34：Armature；35：Commutator；36：Rotate drive shaft；360：
Gear housing；361：Input gear；371、372：Bearing；38：Cooling fan；39：Suction hole；40：Gear unit；41：Slow down
Gear；42：Output shaft；431、432：Bearing；45：Saw blade cover portion (protection cover portion)；46：Saw blade cover main body；47：Lower shield；49：
Internal thread hole (internal thread position)；50：Fixed maintaining body；51：Grasping device；52：Packing ring；53：Inward flange part；55：Outside
Vibrating part；61：Fixing device (cutter holder)；63：Fastening bolt；631：External thread part (external screw thread position)；633：
Engage head；635：Handle hole；65：Operating handle (fixed operating portion)；651：Operate outer peripheral face；653：Engaging recessed part；655：
Concave step portion；67：Thrust flanges part (fixation portion)；671：Compression face；673：Pressing surface；675：Jack；68：Anticreep
Ring；70：Bearing (friction mitigation portion)；71：Rotating side abutment；73：Push side abutment；75：Roller bolt；81：It is fixed
Device (cutter holder)；82：Fastening bolt body；821：Bolt body；822：External thread part (external screw thread position)；823：Tightly
Gu portion；824：Flange part；825：Ring-type operating portion (fixed operating portion)；826：Hold outer peripheral face；827：Concave step portion；828：
Support stage portion；831：Fastening effect portion；832：By fastening part；The 835 screw thread fields of conjugate action；837：Abut guide portion；84：Push convex
Edge part (fixation portion)；841：The compression field of conjugate action；842：Pressing surface；85：Retention mechanism (friction mitigation portion)；86：Wedge shape
Part；861：Outside circumference；863：Inside circumference；87：Ball；871：Latched position；872：Latch-release position；88：Ball
Guide portion；881：Flat part；882：Avoid recess；89：Ball force application spring；891：Tightening direction end；892：Rotational direction end；
90：Pivot center；B：Saw blade (rotary cutter)；R：Inner hexagon spanner.
Embodiment
[the 1st embodiment]
Below, the embodiment to table saw involved in the present invention is illustrated.First, 1~Fig. 3 of reference picture is said
The table saw 10 of bright 1st embodiment.Fig. 1 be from left sides table saw 10 when overall side view.Fig. 2 be from
Observe overall side view during table saw 10 in right side.Fig. 3 is to represent the section vertical with the bearing of trend of output shaft 42
Sectional view.Fig. 4 be represent the fixing device 61 in Fig. 3 allocation position amplification after sectional view.It is desk-top shown in Fig. 1 and Fig. 2
Cutting machine 10 is also referred to as the cutting machine used during miter saw, for example, cut part such as omitted timber of cutting diagram.
The table saw 10 is placed on the mounting tables such as appropriate operating desk, by using the circular saw blade B as rotary cutter
Used after on output shaft 42.No matter in addition, intermetallic composite coating or timber processing, the table saw 10 can be by turning
The selection of cutter come to be cut part cut.
The table saw 10 mainly has workbench 11 and cutter body 20.Workbench 11, which has to be used as, to be placed on
The function for the base that can be supported well when on above-mentioned mounting table and conduct are used to place cut part and can make it
The function of cut workbench.Therefore, workbench 11 has the function as the base being stably placed on mounting table, and
And, with the work top 12 that the cut parts such as timber are placed on upper surface.
On work top 12, have：1st baffle plate 13, it supports the cut part being placed by rear side；2nd baffle plate 15,
It supports the cut part being placed by front side.1st baffle plate 13 is fixed on work top 12 by fixed lever 14.In fixation
When lever 14 releases the fixation to the 1st baffle plate 13, the 1st baffle plate 13 can be moved relative to work top 12.In addition, the 2nd
Baffle plate 15 is fixed on work top 12 by fixed handle 16.When fixed handle 16 releases the fixation to the 2nd baffle plate 15, this
2 baffle plates 15 can be moved relative to work top 12.
In addition, on the rear end part of the work top 12, being provided with the following cutter bodies 20 of connection and it being carried out
The support connection portion 17 of supporting.The support connection portion 17 is in ribbed, and it is upwardly projecting by work top 12.In the support connection
On the upper part in portion 17, rotation axle portion 18 is provided with.The rotating support portion of the rotation axle portion 18 and following cutter bodies 20
215 connect and it are supported.
As shown in figure 3, cutter body 20 has handle portion 21, motor part 31 and saw blade cover portion 45.Motor part 31 is configured
In the left side of handle portion 21.In addition, saw blade cover portion 45 is configured on the right side of handle portion 21.Also, motor part 31 is relative to handle
Portion 21 is configured in the location roughly halfway up of the anterior-posterior length of the handle portion 21.
As shown in figure 3, handle portion 21 has the handle housing 210 of handle shape.In addition, gear unit 40 is built in gear hub
In body 360.The rotation axle portion 18 in support connection portion 17 of the rotating support portion 215 with being arranged on above-mentioned work top 12 is connected
And be supported by.Therefore, the cutter body 20 comprising handle portion 21 with can with rotating support portion 215 be center of rotation upper
The mode that lower section is fascinated upwards is supported by.As shown in figure 1, in the handle portion 21, being provided with can grasp two and holding
Shank 23,25.That is, the 1st shank part 23 configured relative to motor part 31 in front side is mainly used in cutter body 20 upper
Lower section carries out operation (cutting operation) of fascinating upwards.On the 1st shank part 23, it is provided with for entering to the table saw 10
The operating trigger 24 of row operation.In addition, being mainly used in convenient use relative to the 2nd shank part 25 that motor part 31 is configured in upside
Person picks up table saw 10.In addition, in the rear side of the 2nd shank part 25, being provided with the power line portion being connected with power outlet
26。
As shown in figure 3, motor part 31 is supported by motor shell 310.The motor shell 310 is connected with handle housing 210, and one
Rise and be supported by.In the inside of motor shell 310, electronic brush motor 32 is configured with.The brush motor 32 is set to desk-top
Cutting machine 10 make saw blade B rotate power source.That is, brush motor 32 has magnetic field portion (flied) 33, armature 34 and commutator
35.Armature 34 is arranged on to be supported and in the rotation drive shaft 36 that can rotate by bearing 371,372.So, armature 34 relative to
Magnetic field portion 33 is rotated, so as to drive rotation drive shaft 36 to rotate.In addition, magnetic field portion 33, commutator 45 and bearing 371,372 are by horse
Supported up to housing 310 and gear housing 360.In addition, on drive shaft 36 is rotated, being provided with rotate centrifugal cold
But fan 38.The cooling fan 38 is produced for by shown in extraneous air from Fig. 1 by being rotated together with rotating drive shaft 36
The air-breathing wind that air entry 39 is sucked.In addition, as shown in figure 3, in the input end (right part) of rotation drive shaft 36, being provided with defeated
Enter gear 361.The reduction gearing 41 of the gear unit 40 supported by gear housing 360 is meshed with the input gear 361.
As shown in figure 3, the reduction gearing 41 of gear unit 40 is arranged on the output shaft 42 as rotating shaft.The quilt of output shaft 42
Bearing 431,432 is supported and can rotated, and the bearing 431,432 is supported by gear housing 360.The output shaft 42 can be with deceleration
Gear 41 is rotated together, as described above, the reduction gearing 41 is meshed with input gear 361.Therefore, the output shaft 42 makes motor
After the rotation of the rotation drive shaft 36 in portion 31 is slowed down, saw blade B is driven to rotate.In addition, the output shaft 42 is in gear housing 360
Portion is prominent to saw blade cover portion 45, so that saw blade B can be mounted thereto.The part prominent to saw blade cover portion 45 in the output shaft 42
It is set to the tool mounting portion for installing saw blade B.Saw blade cover portion 45 mainly has saw blade cover main body 46 and lower shield 47.Saw
The covering of piece cover main body 46 is arranged on the periphery of the saw blade B on output shaft 42.The saw blade cover main body 46 is fixed on gear hub by screw
On body 360, supported by the gear housing 360.The saw blade cover main body 46 is metal forming product, with the circular saw blade B's of covering
The shape of the substantially half cycle of upside.Lower shield 47 is mounted in the way of it can be rotated relative to saw blade cover main body 46.Lower shield
47 be sheet metal part, and it is with fascinating with cutter body 20, and inclined mode is rotated while contact with cut part.Cause
This, lower shield 47 can suppress dispersing for cutting powder (chip) that coping saw blade B cuttings are cut part and produced.In addition, the saw
Piece cover portion 45 is equivalent to protection cover portion involved in the present invention.
On above-mentioned output shaft 42, the fixation maintaining body 50 for fixed holding saw blade B is provided with.The fixation holding machine
Structure 50 has：Grasping device 51, it is used to make saw blade B hold (holding) in output shaft 42；Fixing device 61, it is by saw blade B
It is fixed on output shaft 42, and the grasping device 51 is fixed.Grasping device 51 mainly has dividing plate 52, convex edge
Part 53 and outward flange part 55.When saw blade B is remained fixed on output shaft 42, dividing plate 52 makes saw blade B and gear housing 360
Appropriate interval is separated, so that saw blade B configurations are on the appropriate position of the inside of saw blade cover portion 45.Inward flange part 53 is pacified
On the dividing plate 52.Inward flange part 53 is substantially extended to circle, and can be connect with saw blade B inner side (left side) surface face
Touch.In addition, outward flange part 54 is substantially extended to circle, and can be with saw blade B outside (right side) table plane-plane contact.Inward flange
Part 53 and outward flange part 54 are contacted with saw blade B faces respectively, to clamp saw blade B by inside and outside (left and right) two surfaces, this
Under state, saw blade B is set to be fixed as an entirety with output shaft 42.Here, using the fastening effect of following fixing devices 61,
Saw blade B is set to be formed as an entirety with output shaft 42 by inward flange part 53 and outward flange part 54.
That is, fixing device 61 is equivalent to cutter holder involved in the present invention.The fixing device 61 is used to pass through
Stating grasping device 51 makes saw blade B be fixed on output shaft 42.Fixing device 61 mainly has the spiral shell close and far from output shaft 42
Line tightens function.The fixing device 61 makes saw blade B with together with output shaft 42 by inward flange part 53 and outward flange part 55
The mode of rotation is fixed.Therefore, it is formed with and is formed at what the internal thread position on output shaft 42 was screwed in fixing device 61
External screw thread position.Specifically, in the inside of output shaft 42, it is provided with and is extended in the axial direction by end face outside (its right end face)
Internal thread hole 49.The internal thread hole 49 is formed as the screwed hole of the internal thread set by according to prior art.In this regard, fixed dress
61 are put in the state of saw blade B is clamped by inward flange part 53 and outward flange part 54, makes what is clamped by the vibrating part 53,54
Saw blade B is an entirety with the fastening of output shaft 42.In other words, twist in the configuration direction that fixing device 61 has inward flange part 53
The screw thread stopping function of tight outward flange part 55, can make saw blade B to be pressed from both sides by vibrating part 53,54 using the screw thread stopping function
The state held is fixed.
The fixing device 61 of 1st embodiment is specifically constituted with following structure.As shown in figure 4, the fixing device 61 is main
With fastening bolt 63, operating handle 65, thrust flanges part 67 and bearing 70.
Fastening bolt 63 is known as the fastening bolt of hex bolts, and there is profile to be in that can be used in rotating screw thread just for it
The head of hexagonal cylindricality.The fastening bolt 63 has external thread part 631 and engaging head 633.The external thread part 631 is equivalent to setting
Put the external screw thread position in fixing device 61.The external thread part 631 has the internal thread with being arranged on above-mentioned output shaft 42
The internal screw thread form in hole 49 is to screw the external screw thread shape that mode is corresponding.The external thread part 631 is screwed into interior when turning right
In screwed hole 49, when turning left, it is unscrewed relative to internal thread hole 49.Also, make saw blade B rotate output shaft 42 to
Screw tightening direction in opposite direction is rotated, i.e. turned left.In addition, head of the engaging head 633 as external thread part 631
Formed, further, it is possible to engage with the engaging recessed part 653 of operating handle 65.Therefore, fastening bolt 63 and operating handle 65 can one
Rise and be rotated operation.Specifically, when making operating handle 65 turn right, fastening bolt 63 and operating handle 65 are being made together
Moved on direction for the close output shaft 42 in screw tightening direction relative to internal thread hole 49.So as to fastening bolt 63 and behaviour
Make handle 65 makes thrust flanges part 67 close to output shaft 42 together.In addition, in contrast, being turned left making operating handle 65
When, fastening bolt 63 and operating handle 65 are together on the direction as the remote output shaft 42 of screw rotational direction relative to interior
Screwed hole 49 is moved.So as to which by the right-hand rotation of operating handle 65, fastening bolt 63 and operating handle 65 make thrust flanges portion together
Part 67 is close to output shaft 42, by the left-hand rotation of operating handle 65, and fastening bolt 63 and operating handle 65 make thrust flanges portion together
Part 67 is away from output shaft 42.
Operating handle 65 has the shape for the knob that can be rotated operation.The operating handle 65 has：Operate outer peripheral face
651, it has generally circular outer peripheral face；Engaging recessed part 653, it is arranged on the center of rotation of the operation outer peripheral face 651.Behaviour
Making outer peripheral face 651 has the peripheral shape for the driver plate that can be operated being widely used.Though do not illustrated in detail, at this
Operate on outer peripheral face 651, appropriate concave step portion (mark 655 shown in Fig. 5) is disposed with, so that user easily uses
Hand is held and operated.Engaging recessed part 653 has the shape that engaging head 633 that can be with above-mentioned fastening bolt 63 engages.
Therefore, after rotating operation is carried out to the operating handle 65, fastening bolt 63 is also rotated, and can make the fastening bolt
63 screw threads for fastening of external thread part 631 is in screwed hole 49.So, operating handle 65 and fastening bolt 63 are together to thrust flanges
Part 67 is pushed.
That is, it is configured with thrust flanges part 67 in the screw thread stop advance side of fastening bolt 63.The thrust flanges part 67
After being pushed together by operating handle 65 and fastening bolt 63, thrust flanges part 53,55.In addition, the vibrating part being pushed
53rd, 55 the saw blade B being clipped between the two can be held on.The thrust flanges part 67 by make the appropriate bending of metallic plate and shape
Into it is pushed across following bearings 70 by operating handle 65.The thrust flanges part 67 pushed by operating handle 65 pushes convex
Edge part 53,55, makes the pushing force suffered by the thrust flanges part 67 be played as the chucking power of vibrating part 53,55 and makees
With.Specifically, in the side by operating handle 65 of thrust flanges part 67, compression face 671 is provided with, in the thrust flanges
The side by vibrating part 53,55 of part 67, is provided with pressing surface 673.The thrust flanges part 67 that compression face 671 is pushed
By pressing surface 673 come thrust flanges part 53,55.In addition, fastening bolt 63 runs through thrust flanges part 67 through jack 675,
Limited and come off from the thrust flanges part 67 by anti-decylization 68.
That is, thrust flanges part 67 makes saw blade B be fixed on output shaft 42 equivalent to fixation portion involved in the present invention
On.In addition, pushing handle 65 equivalent to fixation operating portion involved in the present invention, it is set to be used for thrust flanges part 67
The part of operation tightened or unscrewed.That is, the quilt in the way of being rotated in the rotation direction in output shaft 42 of operating handle 65
Supporting.In addition, when making operating handle 65 turn right, thrust flanges part 67 and output shaft 42 phase in the axial direction can be made
To close, so as to tighten thrust flanges part 67.Also, when making operating handle 65 turn left, thrust flanges can be made
Part 67 (is rotated axially) from so as to unscrew thrust flanges part 67 in the axial direction with output shaft 42.
Bearing 70 is equivalent to friction mitigation portion involved in the present invention, and it is arranged on from operating handle 65 to thrust flanges portion
Part 67 carries out the region of operation transmission.The bearing 70 can mitigate to be operated from operating handle 65 to thrust flanges part 67
Produced friction during transmission.The bearing 70 is made up of pushing bearing.That is, bearing 70 with operating handle 65 by abutting in the axial direction
Rolling bearing constitute.Specifically, bearing 70 is made up of the needle roller thrust bearing being widely used, and is configured in above-mentioned operation
Between handle 65 and thrust flanges part 67.The bearing 70 set like this can mitigate operating handle 65 and thrust flanges part
The friction produced between 67.In more detail, bearing 70 has rotating side abutment 71, pushes side abutment 73 and multiple
Roller bolt 75, wherein, rotating side abutment 71 is abutted with the side of operating handle 65；Push side abutment 73 and thrust flanges
The side of part 67 is abutted；Multiple roller bolts 75 are arranged between rotating side abutment 71 and pushing side abutment 73.The rolling
Dynamic pin 75 is made up of so-called needle roller.The bearing 70 mitigates rotating side abutment 71 and pushing by the rolling of roller bolt 75
The friction produced between side abutment 73.
Following action effect is resulted in using the table saw 10 of the 1st above-mentioned embodiment.That is, desk-top cut at this
In cutting mill 10, the fixing device 61 being arranged on output shaft 42 has：Thrust flanges part 67, it makes saw blade B be fixed on output
On axle 42；Operating handle 65, it is used for the operation that thrust flanges part 67 is tightened or unscrewed.Here, it is arranged on by pushing away
Pressure vibrating part 67 operate the bearing 70 in the region of transmission to mitigate the He of thrust flanges part 67 to handle 65 is pushed
Push the friction produced between handle 65.So as to tighten the thrust flanges part 67 that makes saw blade B be fixed on output shaft 42
When, it is not necessary to operation instrument is used, tool-user just can be operated with hand to operating handle 65.Therefore, using this
During formula cutting machine 10, it is not necessary to which operation instrument just can be installed and dismantled to saw blade B.In addition, in the table saw
In 10, bearing 70 is made up of the rolling bearing for accepting operating handle 65 in the axial direction.Here, bearing 70 is because of thrust flanges part 67
When tightening or unscrewing and rotate, operating handle 65 can be mitigated well because of the pivoting friction caused by the output shaft 42.
So as to when tightening the thrust flanges part 67 for making saw blade B be fixed on output shaft 42, it is not necessary to use operation instrument, instrument
User just can carry out good operation with hand to operating handle 65.In addition, in the table saw 10, bearing 70 is by pushing away
Nip drum needle bearing is constituted, it is thus possible to use the less rolling bearing for accepting operating handle 65 in the axial direction.So as to reality
The miniaturization of existing fixing device 61, improves the operation convenience of table saw 10.
[the 2nd embodiment]
Below, reference picture 5 and Fig. 6 illustrate the 2nd embodiment of the variation as above-mentioned 1st embodiment.The 2nd
In embodiment, the fastening of the fixing device 61 of maintaining body 50 is fixed in the table saw 10 of only above-mentioned 1st embodiment
The structure of bolt 63 is different.That is, the mark 61A shown in Fig. 5 and Fig. 6 represents the fixing device 61 with above-mentioned 1st embodiment
The fixing device of different the 2nd embodiments with fastening bolt 63A.In fixing device 61A, mainly by the above-mentioned 1st
Structure of the structure replacing of the fastening bolt 63 of embodiment into the fastening bolt 63A of the 2nd embodiment.Therefore, it is tight for this
The same structure of fixing device 61 with above-mentioned 1st embodiment beyond fixing bolt 63A, is represented using same tag
In accompanying drawing, and omit the description.Consolidate in addition, the fixing device 61A of the 2nd embodiment also corresponds to cutter involved in the present invention
Determine device.
Fig. 5 be represent the 2nd embodiment fixing device 61A amplification after stereogram.Fig. 6 be along (VI) in Fig. 5-
(VI) sectional view of line cutting.The fastening bolt 63A of 2nd embodiment is known as the fastening spiral shell of hexagon socket head cap screw
Bolt, the regular hexagon handle hole 635 for rotating screw thread is provided with its head.By making inner hexagon spanner R and the handle hole
635 are fitted together to, and rotate inner hexagon spanner R, can tighten or unscrew fastening bolt 63A.That is, using the 2nd embodiment
Fixing device 61A result in the action effect roughly the same with the fixing device 61 of above-mentioned 1st embodiment, it is also, logical
Cross and operate the inner hexagon spanner R chimeric with handle hole 635 also to carry out the behaviour for tightening or unscrewing of thrust flanges part 67
Make.
[the 3rd embodiment]
Below, 7~Figure 10 of reference picture illustrates the 3rd embodiment of the variation as above-mentioned 1st embodiment.This
In 3 embodiments, the knot of the fixing device 61 of the fixation maintaining body 50 in the table saw 10 of only above-mentioned 1st embodiment
Structure is different.That is, the mark 61B shown in Fig. 7~Figure 10 represents to set on the basis of the fixing device 61 of above-mentioned 1st embodiment
It is equipped with the fixing device of the 3rd embodiment of pull-up formula operating portion 69.In fixing device 61B, mainly implement the above-mentioned 1st
Pull-up formula operating portion 69 is provided with the basis of the structure of the fixing device 61 of mode.That is, the fixing device shown in Fig. 7 and Fig. 8
61B is in axial load mitigation state.Fig. 7 is fixing device 61B stereogram.Fig. 8 is along (VIII) in Fig. 7-(VIII)
The sectional view of line cutting.In addition, the fixing device 61B shown in Fig. 9 and Figure 10, which is in axial load, increases state.Fig. 9 is
Fixing device 61B stereogram.Figure 10 is the sectional view along (X) in Fig. 9-(X) line cutting.In addition, implementing the 3rd
In the fixing device 61B of mode, for the portion with playing roughly the same function in the fixing device 61 of above-mentioned 1st embodiment
Position, the mark end marked in the fixing device 61 of above-mentioned 1st embodiment, additional " B ".In addition, the 3rd embodiment
Fixing device 61B also corresponds to cutter holder involved in the present invention.Fixing device 61B shown in Fig. 7~Figure 10 is main
With fastening bolt 63B, operating handle 65B, thrust flanges part 67B and bearing 70B, on fixing device 61B, also set up
There is pull-up formula operating portion 69.The fastening bolt 63B of 3rd embodiment also has plays identical function with the 1st embodiment
External thread part 631B and engaging head 633B.External thread part 631B and the internal thread hole 49 being arranged on output shaft 42 internal thread
Screw.In addition, engaging head 633B engages with operating handle 65B engaging recessed part 653B.Therefore, fastening bolt 63B and operation
Handle 65B can be rotated operation together.
On operation outer peripheral face 651B, appropriate concave step portion 655B is also disposed with, so that user is easy
Hold and operated.In addition, engaging recessed part 653B engages fastening bolt 63B engaging head 633B, make fastening spiral shell
Bolt 63B is rotated with operating handle 65B rotating operation with operating handle 65B.In addition, in fastening bolt 63B and behaviour
Make between handle 65B, be configured with packing ring 79B.In fastening bolt 63B screw thread stop advance side, thrust flanges portion is configured with
Part 67B.Thrust flanges part 67B is pushed together across bearing 70B by operating handle 65B and fastening bolt 63B.The thrust flanges
Part 67B thrust flanges part 53,55, its pushing force plays a role as the chucking power of vibrating part 53,55.In addition, pushing
Vibrating part 67B is equivalent to fixation portion involved in the present invention, and operating handle 65B is equivalent to fixation involved in the present invention
Operating portion.In addition, bearing 70B is constituted by configuring the thrust bearing between handle 65B and thrust flanges part 67B is pushed.Should
Bearing 70B with rotating side abutment 71B, pushes side abutment 73B equivalent to friction mitigation portion involved in the present invention
And multiple roller bolt 75B, wherein, rotating side abutment 71B forms one by screw part and operating handle 65B；Push
Side abutment 73B is abutted with thrust flanges part 67B；Multiple roller bolt 75B are arranged on rotating side abutment 71B and pushing
Between the abutment 73B of side.Bearing 70B is mitigated rotating side abutment 71B by roller bolt 75B rotation and pushes side
The friction produced between abutment 73B.In addition, between bearing 70B and fastening bolt 63B, being configured with butterfly spring
78B.Butterfly spring 78B is in the hollow disc shape bent.Butterfly spring 78B is to the direction away from bearing 70B to fastening spiral shell
Bolt 63B exerts a force.In addition, it is as described below, in feelings of the fastening bolt 63B by butterfly spring 78B active force away from bearing 70B
Under condition, fixing device 61B as shown in Figure 9 and Figure 10 is in axial load increase state.It is corresponding, in fastening bolt
63B overcome butterfly spring 78B active force and in the case of the bearing 70B, at fixing device 61B as shown in Figure 7 and Figure 8
In axial load mitigation state.
Pull-up formula operating portion 69 has substantially in bar-shaped rotating shaft 691 and the side can be rotated relative to the rotating shaft 691
The operating main body 693 that formula is supported by.Rotating shaft 691 is set in the way of extending in the diametric(al) for rotating operating handle 65B.
The rotating shaft 691 insertion is arranged in the e axle supporting hole 656B on operating handle 65B, is supported on the operation with e axle supporting hole 656B
On handle 65B.The tabular of the substantially semicircular in shape of operating main body 693.The core of operating main body 693 is in be cut off by appropriate processing
Shape formed by afterwards.The substantially semi-circular diameter portion of the operating main body 693 is supported and can rotated by rotating shaft 691.Should
The e axle supporting portion 695 of pull-up formula operating portion 69, substantially semi-circular circular arc are set to by e axle supporting and the part that can rotate
Part is set so as to the operation part 696 for the pull-up formula operating portion 69 being pulled up.E axle supporting portion 695 is run through by rotating shaft 691,
And the pull-up formula operating portion 69 is supported, it can rotate.It is corresponding, on operating handle 65B outer surface 657B, if
The receipts dress recess 659B of dress operation part 696 can be received by being equipped with.The receipts fill recess 659B by cut off in outer surface 657 with operation
The corresponding part in part 696 and formed.Therefore, as shown in Figure 7 and Figure 8, operation part 696 can be housed in advance receipts fill it is recessed
In portion 659B.In addition, as shown in Figure 9 and Figure 10, being capable of the pull-up from dress recess 659B is received by rotating operation part 696
The operation part 696.
In e axle supporting portion 695, different two side faces 697,698 of radius length for originating in rotating shaft 691 are formed with.Such as
Shown in Figure 10, the 1st abutting side face 697 is provided with e axle supporting portion 695.1st abutting side face 697 originates in rotating shaft 691
Radius length it is shorter compared with following 2 abut side face 698.Pull-up formula operating portion 69 is being packed up as shown in Figure 8
In the case of, the 1st abutting side face 697 is abutted with bolt pressing surface 635B.In addition, as shown in figure 8, in e axle supporting portion 695,
It is provided with the 2nd abutting side face 698.The radius length for originating in rotating shaft 691 of 2nd abutting side face 698 abuts side face with the 1st
697 compare it is longer.In the case of pull-up pull-up formula operating portion 69 as shown in Figure 10, the 2nd abuts side face 698 and spiral shell
Bolt pressing surface 635B is abutted.
So, in the case of pull-up pull-up formula operating portion 69 as shown in Figure 10, the 2nd abutting side face 698 utilizes it
Originate in the length of all radius surfaces of rotating shaft 691, overcome butterfly spring 78B active force, urges bolt pressing surface 635B.So as to
Butterfly spring 78B is compressed, makes fastening bolt 63 away from rotating shaft 691, close to bearing 70B.That is, fixing device 61B is made to be in mitigation
To the axial load mitigation state of the bearing 70B axial loads applied.Therefore, state phase is increased with following axial loads
Than can easily carry out operating handle 65B rotating operation.It is corresponding, the operation of pull-up formula is being packed up as shown in Figure 8
In the case of portion 69, compared with above-mentioned axial load mitigation state, the 1st abuts the not urges bolt pressing surface 635B of side face 697.From
And, the 1st abuts side face 697 by butterfly spring 78B active force, makes fastening bolt 63B close to rotating shaft 691, away from bearing
70B.That is, compared with above-mentioned axial load mitigation state, fixing device 61B is born in the axial direction that increase is applied to bearing 70B
The axial load increase state of lotus.Therefore, compared with the axial load mitigation state, it is not easy to which operating handle 65B is turned
Dynamic operation.
So, using the fixing device 61B of the 3rd embodiment, the fixing device with above-mentioned 1st embodiment is resulted in
61 roughly the same action effects, and further obtain following effects effect.That is, using the fixing device of the 3rd embodiment
61B can be realized according to the mode of operation of pull-up formula operating portion 69 mitigation to the bearing 70B axial loads applied or
Increase.Specifically, under the axial load mitigation state of the pull-up formula operating portion 69 shown in Figure 10, operating handle 65B is entered
Row operation, and when keeping the axial load increase state of pull-up formula operating portion 69 shown in Fig. 8, increase is applied to bearing 70B
Axial load, it is thus possible to limit operating handle 65B operation.
[the 4th embodiment]
11~Figure 13 of reference picture illustrates the 4th embodiment of the variation as above-mentioned embodiment.Figure 11 is to represent the 4th
Sectional view after the amplification of fixing device 81 of embodiment, is also along identical with Fig. 4 of above-mentioned 1st embodiment sectional view
Place carry out cutting sectional view.Figure 12 is the fixing device 81 along (XII) in Figure 11-(XII) line cutting
Sectional view.Figure 13 is sectional view when representing the test section of the latch-release state of the fixing device 81 shown in Figure 12.In addition, the 4th is real
Apply the structure and above-mentioned 1st embodiment of the fixing device 81 shown in fixation maintaining body 50C only Figure 12 and Figure 13 of mode
Fixed maintaining body 50 is different.Therefore, for the 1st embodiment identical structure, using with explanation 1 embodiment when
Mark identical mark is indicated, and is omitted the description.In addition, the fixing device 81 of the 4th embodiment also corresponds to this hair
Bright involved cutter holder.The fixing device 81 of 4th embodiment utilizes chock, in the axial direction to vibrating part
53rd, 55 sides push thrust flanges part 84, and suppress the loosening of fixing device 81.As shown in figure 11, the 4th embodiment
Fixing device 81 mainly have fastening bolt body 82, thrust flanges part 84 and retention mechanism 85.Fastening bolt body 82 has
Bolt body 821, ring-type operating portion 825 and fastening effect portion 831.Bolt body 821 has：External thread part 822, itself and interior spiral shell
The internal thread of pit 49 is screwed；Fastening part 823, it tightens together with fastening effect portion 831；Flange part 824, it is in pushing side
Abutted upwards with fastening effect portion 831.
Internal thread hole 49 is equivalent to internal thread position involved in the present invention, and external thread part 822 is equivalent to involved by the present invention
And external thread part.Ring-type operating portion 825 can make bolt body 821 and fastening effect portion by retention mechanism 85 described later
831 rotate together.The ring-type operating portion 825 has the holding outer peripheral face 826 that user can grasp and be operated.
On the holding outer peripheral face 826, appropriate concave step portion 827 is provided with, so that user easily grasps and operated.
Fastening effect portion 831 have tightened together with the fastening part 823 of bolt body 821 by fastening part 832.This is by fastening part
832 tighten together with fastening part 823, so that bolt body 821 and fastening effect portion 831 are formed as an entirety.With this
Corresponding, ring-type operating portion 825, can be with bolt body 821 and fastening in addition in the case that latch-release described later is operated
Service portion 831 is rotated together.In addition, face facing with thrust flanges part 84 in fastening effect portion 831 is set to spiral shell
The line field of conjugate action 835.The screw thread field of conjugate action 835 has towards pivot center 90 gradually to the inclined inclined plane of thrust flanges part 84
Shape.Thrust flanges part 84 has the function roughly the same with the thrust flanges part 67 of the 1st embodiment.It is convex in the pushing
The face facing with fastening effect portion 831 is set to the compression field of conjugate action 841 on edge part 84.The compression field of conjugate action 841 also has
Have towards pivot center 90 gradually to the inclined inclined plane shape in fastening effect portion 831.In addition, in the thrust flanges part 84
By the side of vibrating part 53,55, pressing surface 842 is provided with.The compression field of conjugate action 841 is logical by the thrust flanges part 84 pushed
Cross the thrust flanges part 53,55 of pressing surface 842.
Next, explanation retention mechanism 85.As shown in Figure 12 and Figure 13, retention mechanism 85 is uniformly divided into a circumferential direction
1 group is respectively arranged with position at 3.The retention mechanism mainly has wedge-shaped member 86, ball 87, ball guide portion 88 and rolling
Pearl force application spring 89.Wedge-shaped member 86 is roughly triangular from the point of view of section as shown in figure 11, and extends in a circumferential direction.Should
Wedge-shaped member 86 is squeezed between above-mentioned fastening effect portion 831 and thrust flanges part 84 and formed.Specifically, the wedge-shaped member
86 outside circumference 861 has facing and can contact in face therewith with the screw thread field of conjugate action 835 in above-mentioned fastening effect portion 831
Inclined plane shape.In addition, the inside circumference 862 of wedge-shaped member 86 has the compression field of conjugate action with above-mentioned thrust flanges part 84
841 it is facing and can therewith face contact inclined plane shape.Therefore, the thickness of wedge-shaped member 86 is towards pivot center 90
It is thinning on direction, on the contrary it is then thickening on the direction away from pivot center 90.Therefore, when wedge-shaped member 86 squeezes into fastening effect portion
When between 831 and thrust flanges part 84, outside circumference 861 is contacted with the face of the screw thread field of conjugate action 835, and inside circumference 862 is with being pressurized
The face of the field of conjugate action 841 contact, make fastening effect portion 831 and thrust flanges part 84 from.
Ball 87 is guided and rolled by following ball guide portion 88.The ball 87 is configured in above-mentioned ring-type operating portion 825
Between wedge-shaped member 86 and it can roll.The ball 87 can be configured in latched position (Figure 12 by along the circumferential direction rolling
Shown mark 871) and two positions of latch-release position (mark 872 shown in Figure 13) on.As shown in figure 12, positioned at lock
The ball 87 that positioning puts 871 makes wedge-shaped member 86 be located in the latched position (mark 861) of pivot center 90.On the other hand
Should, as shown in figure 13, the ball 87 positioned at latch-release position 872 makes wedge-shaped member 86 be located remotely from the locking of pivot center 90
Release on position (mark 862).
Ball guide portion 88 is formed on ring-type operating portion 825.The ball guide portion 88 is arranged on facing with ball 87
Inner circumferential side, to guide ball 87, roll it, the ball 87 be located between ball guide portion 88 and wedge-shaped member 86.Should
Ball guide portion 88 has the flat part 881 arranged in a circumferential direction and avoids recess 882.Flat part 881 has circumferentially
The flat inner peripheral surface shape in direction.The flat part 881 makes the ball 87 along the circumferential direction rolled be located at latched position (shown in Figure 12
Mark 871), i.e. make the ball 87 close to pivot center 90.It is corresponding, recess 882 is avoided with along the circumferential direction recessed
The inner peripheral surface shape entered.The avoidance recess 882 makes the ball 87 along the circumferential direction rolled be located at latch-release position (shown in Figure 13
Mark 872), i.e. make the ball 87 away from pivot center 90.
The helical spring that ball force application spring 89 is configured by circumferencial direction is constituted.The tightening direction end of ball force application spring 89
891 abut with the supporting stage portion 828 of ring-type operating portion 825.The rotational direction end 892 of ball force application spring 89 and fastening effect
The abutting guide portion 837 in portion 831 is abutted.The abutting guide portion 837 in the fastening effect portion 831 turns with ring-type operating portion 825
Move and rotate.In addition, itself allowing turning relative to ring-type operating portion 825 comprising the fastening effect portion 831 for abutting guide portion 837
The pivot offset of action somewhat.In addition, the pivot offset somewhat can be solved by the latched position 871 and locking of above-mentioned ball 87
Set except the rolling distance of position 872 in a circumferential direction.
When making fixing device 81 be rotated on tightening direction like this, ball 87 is located at latched position (shown in Figure 12
Mark 871).The ball 87 is made wedge-shaped member 86 be located at latched position by the supporting of the flat part 881 of ball guide portion 88
(mark 861).Then, the wedge-shaped member 86 is squeezed between fastening effect portion 831 and thrust flanges part 84, its outside circumference
861 are contacted with the face of the screw thread field of conjugate action 835, and are pushed, and its inside circumference 862 is contacted with the face of the compression field of conjugate action 841, and is carried out
Push.That is, wedge-shaped member 86 make fastening effect portion 831 and thrust flanges portion 84 from.Therefore, thrust flanges part 84 is by wedge
The pushing of shape part 86, afterwards, thrust flanges part 53,55.It is corresponding, turn making fixing device 81 on rotational direction
When dynamic, ball 87 is located at latch-release position (mark 872 shown in Figure 13).The avoidance that the ball 87 enters ball guide portion 88 is recessed
Portion 882, can make wedge-shaped member 86 be located at latch-release position (mark 862).Then, fastening effect portion 831 and pushing are squeezed into
Wedge-shaped member 86 between vibrating part 84 can depart from between both.That is, squeezing into because of wedge-shaped member 86 can be released
Caused by the above-mentioned face way of contact pushing, make fastening effect portion 831 and thrust flanges part 84 mutually close.That is, it can disappear
Except pushing of the thrust flanges part 84 by wedge-shaped member 86, so as to release the thrust flanges part 84 to vibrating part
53rd, 55 pushing, reduces screw rotatory force of the fixing device 81 on rotational direction.
In addition, when stopping screw rotation of the fixing device 81 on rotational direction, ball 87 is across abutting guide portion 837
By the active force of ball force application spring 89, and positioned at latched position (mark 871 shown in Figure 12).Positioned at the rolling of latched position
Pearl 87 is made wedge-shaped member 86 be located at the locking bit close to pivot center 90 by the supporting of the flat part 881 of ball guide portion 88
Put (mark 881).That is, wedge-shaped member 86 make fastening effect portion 831 and thrust flanges part 84 from, thrust flanges part 84 by
To the pushing of wedge-shaped member 86, afterwards, thrust flanges part 53,55 again.So, in the 4th embodiment, thrust flanges portion
Part 84 is equivalent to fixation portion involved in the present invention, also, ring-type operating portion 825 is equivalent to fixation involved in the present invention
Operating portion.In addition, the retention mechanism 85 comprising above-mentioned ball 87 is equivalent to friction mitigation portion involved in the present invention, for mitigating
The friction produced in operation transmission between ring-type operating portion 825 and thrust flanges part 84.Using consolidating for the 4th embodiment
Determine device 81 and result in the effect roughly the same with the fixing device 61 of above-mentioned 1st embodiment, also, can also make because making
The inertial force that saw blade B is rotated and produced tightens booster action power as fixing device 81.
[the 5th embodiment]
Next, reference picture 14 illustrates the 5th embodiment of the variation as above-mentioned 1st~the 4th embodiment.Figure 14
Be represent the 5th embodiment fixing device 91 amplify after sectional view.The Figure 14 is also along the figure with above-mentioned 1st embodiment
The sectional view of sectional view identical slice location cutting shown in 4, represents the fixing device 91 after amplification.That is, with it is above-mentioned
The fixation maintaining body 50 of 1st embodiment compares, and the fixation maintaining body 50D of the 5th embodiment is only in fixing device
It is different in 91 structure.Therefore, mainly a pair fixing device 91 different from above-mentioned 1st embodiment is carried out the 5th embodiment
Illustrate, for beyond fixing device 91 with the 1st embodiment identical structure, will with above-mentioned mark identical mark represent exist
On accompanying drawing, and omit the description.Consolidate in addition, the fixing device 91 of the 5th embodiment also corresponds to cutter involved in the present invention
Determine device.
That is, fixation maintaining body 50D has grasping device 51 (53,55) and fixing device 91, wherein, grasping device 51
(53,55) have has the structure different from the 1st embodiment with the 1st embodiment identical structure, fixing device 91.This is consolidated
Determine device 91 to push to vibrating part 53,55 sides in the axial direction using the cam effect produced from flange functional unit 93
Vibrating part 94, locks the tight condition of its own.The fixing device 91 mainly has fastening bolt 92, flange functional unit 93
And thrust flanges part 94.In addition, cam-operated part 93 is equivalent to fixation operating portion involved in the present invention, in addition, pushing
Vibrating part 94 is equivalent to fixation portion involved in the present invention.
Fastening bolt 92 has：External thread part 921, the internal thread of itself and internal thread hole 49 is screwed；Shaft-supporting portion 923,
It is used for operation of cam functional unit 93, rotates it.In addition, internal thread hole 49 is equivalent to internal thread part involved in the present invention
Position, external thread part 921 is equivalent to external thread part involved in the present invention.Shaft-supporting portion 923 be arranged in fastening bolt 92 to
The end at the prominent position in outside (right side).Turn of the following cam-operated parts 93 of the appropriate ground axle suspension of shaft-supporting portion 923
Axle portion 931.In thrust flanges portion 94, outside (right side) is provided with compression curved surface 941, also, set in inner side (left side)
There is pushing plane 943.The sliding contact of pushing curved surface 936 of the compression curved surface 941 and following cam-operated parts 93, grasps cam
Make part 93 and produce cam effect.Therefore, cam part 935 has the curve form of spill, for making the cam-operated part 93
Produce cam effect.Plane 943 is pushed to be set to receive because of the pushing force that the cam of cam-operated part 93 is acted on and produces,
To the plane of configuration direction thrust flanges part 53,55 (saw blade B).
Cam-operated part 93 is substantially in L-shaped from the side.The L word crooked positions of the cam-operated part 93 are set
To rotate axle portion 931, cam-operated part 93 is by the appropriate ground axle suspension of shaft-supporting portion 923 of above-mentioned fastening bolt 92.In addition,
Cam-operated part 93 is formed with manipulator's shank 933 from rotation axle portion 931 to L words side, another from rotation axle portion 931 to L words
Side is formed with cam part 935.Manipulator's shank 933, which suitably extends, to be set to be used for the cam-operated part 93 of rotating operation
Handle.In addition, cam part 935, which has to push curved surface 936 and push, releases plane 938, and played a role as cam.That is,
Curved surface 936 is pushed to be highlighted and shape by rotation axle portion 931 on the direction vertical with the direction that manipulator's shank 933 extends
Into.It is corresponding, push and release plane 938 on the direction in opposite direction extended with manipulator's shank 933 by manipulator
Shank 933 highlights and formed.That is, releasing plane 938 is pushed to configure on the direction vertical with the pushing curved surface 936.Push away
Face 936 buckle with the end face for being formed as circular arc camber, the end face releases plane 938 away from shaft 931 than pushing.Change speech
It, pushes and releases plane 938 with the end face for being formed as plane, the end face is than pushing curved surface 936 close to shaft 931.Therefore,
By operating manipulator's shank 933, pushing curved surface 936 can be made or push a face in releasing plane 938 and push convex
The facing configuration of edge part 94.
Here, by carrying out rotating operation to manipulator's shank 933, and cam-operated part 93 is made to be in the shape for illustrating P1
During state, push curved surface 936 and thrust flanges part 94 is facing.In this case, curved surface 936 and the phase of shaft 931 are pushed
It is elongated from a distance from.Pushing curved surface 936 being capable of phase vibrating part 53,55 (saw blade B) sides pushing thrust flanges part 94.Separately
Outside, by carrying out rotating operation to manipulator's shank 933, and when making cam-operated part 93 in the state for illustrating P2, push
Release plane 938 and thrust flanges part 94 is facing, pushing releasing plane 938 and shaft 931 is shortened from a distance from.
The pushing for releasing plane 938 to thrust flanges part 94 is pushed therefore, it is possible to release.Make cam under this state (diagram P2)
When functional unit 93 is rotated on the screw rotational direction of external thread part 921, can make rotating shaft 931 is located away from thrust flanges
Part 94.That is, the assembling of vibrating part 53,55 can be released.In addition, making flange functional unit under this state (diagram P2)
93 in the screw tightening side of external thread part 921 when being rotated up, and can lean on the position thrust flanges part 94 of shaft 931
Closely.Therefore, by carrying out rotating operation to aforesaid operations handle portion 933, cam-operated part 93 is made to return to diagram P1 state
When, it is possible to increase push pushing force of the curved surface 936 to thrust flanges part 94.I.e., it is possible to increase cam-operated part 93 is to convex
The pushing force of edge part 53,55 (saw blade B), is fixed by fixed maintaining body 50B and maintains saw blade B.Fixation maintaining body 50D
It can be kept by releasing the fixed of saw blade B, saw blade B is installed and dismantled.So, using fixed maintaining body
When 50D tightens thrust flanges part 94, by tool-user to the manually operated of cam-operated part 93, can tighten or
Unscrew thrust flanges part 94, it is not necessary to which operation instrument also can be installed and dismantled to saw blade B.
[the 6th embodiment]
Next, reference picture 15 illustrates the 6th embodiment of the variation as above-mentioned 5th embodiment.Figure 15 is table
Show the sectional view after the amplification of fixing device 95 of the 6th embodiment.The Figure 15 is also along Fig. 4 institutes with above-mentioned 1st embodiment
The sectional view for the sectional view identical slice location cutting shown, represents the fixing device 95 after amplification.That is, with the above-mentioned 5th
The fixation maintaining body 50D of embodiment compares, and the fixation maintaining body 50E of the 6th embodiment is only in fixing device 95
Structure on it is different.Therefore, the 6th embodiment pair fixing device 95 different from above-mentioned 5th embodiment is illustrated.Separately
Outside, for beyond fixing device 95 with the 5th embodiment identical structure, for above-mentioned mark identical mark represent exist
On accompanying drawing, and omit the description.Consolidate in addition, the fixing device 95 of the 6th embodiment also corresponds to cutter involved in the present invention
Determine device.
That is, the fixing device 95 of fixation maintaining body 50E is also utilized is produced by driver plate cam part 96 and cam part 97
Raw cam effect pushes push part 97 to vibrating part 53,55 sides in the axial direction, locks the tight condition of its own.Should
Fixing device 95 has driver plate cam part 96 and push part 97.In addition, driver plate cam part 96 is equivalent to involved by the present invention
And fixation operating portion, in addition, push part 97 is equivalent to fixation portion involved in the present invention.
Driver plate cam part 96 is generally formed by being integrally formed bolt portion 961 and operation dial portion 963.Bolt
Portion 961 and the internal thread of internal thread hole 49 are screwed.Outer circumferential side in operation dial portion 963, operation can be rotated by being provided with
Driver plate portion 965, the inner circumferential side in operation dial portion 963 is provided with cam part 967 and sticking department 968.Driver plate portion 965 is in can
It is rotated the annular of operation.By carrying out rotating operation to the driver plate portion 965, it can tighten or unscrew integrally formed therewith
Bolt portion 961.In addition, the cam part 967 of inner circumferential side has tilted shape, it is gradually prominent to inner circumferential side along rotation direction
Go out.In addition, the sticking department 968 of inner circumferential side has flat shape, it is gradually pushed by cam part 967, is carried out after pushing terminates
Locking.Corresponding, push part 97 and driver plate cam part 96 are facing, are provided with suitably in the push part 97
By the compression inclined plane 971 and compression plane 973 of the pushing of cam part 967.The compression inclined plane 971 can be convex at a slant
Wheel portion 967 pushes guiding.In addition, the sticking department 968 that compression plane 973 is crossed after compression inclined plane 971 is pushed.Driver plate is convex
Wheel component 96 pushes push part 97 by cam effect along configuration direction to vibrating part 53,55 (saw blade B) sides.So,
When using fixed maintaining body 50E to tighten push part 97, by tool-user to the manual of driver plate cam part 96
Operation, can tighten or unscrew push part 97, it is not necessary to which operation instrument also can be installed and dismantled to saw blade B.
[the 7th embodiment]
Next, reference picture 16 illustrates 7th embodiments different from above-mentioned 1st~the 6th embodiment.Figure 16 is table
Show the sectional view after the amplification of spanner portions 103 of the 7th embodiment.The Figure 16 be also along with shown in Fig. 4 of above-mentioned 1st embodiment
Sectional view identical slice location cutting sectional view, represent amplification after spanner portions 103.That is, the 7th embodiment
Fixation maintaining body 50F have and tightened using bolt 100 for saw blade B to be held into (holding) holding on output shaft 42
The structure of device 51 (53,55).That is, bolt 100, which is connected through a screw thread, is fastened on the output shaft 42 for being provided with the grasping device 51
Internal thread hole 49 in.In addition, be like this used structure in the prior art using the fastening structure of bolt 100, if
The external screw thread shape put on the bolt 100 constitutes external screw thread position involved in the present invention.
On fixation maintaining body 50F, the spanner portions 103 for tightening or unscrewing the bolt 100 are provided with, this is pulled
Hand 103 is arranged in saw blade cover portion 45.Therefore, in the 7th embodiment, mainly the structure to the spanner portions 103 is carried out
Illustrate, for the structure beyond the spanner portions 103, represented with above-mentioned mark identical mark on accompanying drawing, and omit the description.
In addition, the bolt 100 and spanner portions 103 of the 7th embodiment also correspond to cutter holder involved in the present invention.And
And, for the bolt 100 that is fixed on saw blade B on output shaft 42 equivalent to fixation portion involved in the present invention.In addition, with
In tightening or unscrew the spanner portions 103 of the bolt 100 equivalent to fixation operating portion involved in the present invention.
As shown in figure 16, the spanner portions 103 have and common spanner same structure.That is, in saw blade cover portion 45
On the position that middle output shaft 42 is faced, the mounting hole 451 for assembly wrench portion 103 is provided with.The mounting hole 451 also with saw
The position that above-mentioned internal thread hole 49 is faced in piece cover portion 45 is consistent.Spanner portions 103 are to be supported in the mounting hole 451 and can
The mode of rotation is inserted into mounting hole 451.That is, spanner portions 103 are maintained in mounting hole 451 and can operated.This is pulled
Hand 103 has：Manipulator's shank 105, it, which can be grasped, is rotated operation；Nut portions 107, its with bolt 100 six
Angle head 101 engages.So, when spanner portions 103 are that center of rotation makes the rotation of manipulator's shank 105 with mounting hole 451, it can make
The nut portions 107 engaged with the hexagon-head 101 of bolt 100 are rotated.Here, engaging is provided with the spanner portions 103 to release
Force application spring 109.The engaging releases the outside that force application spring 109 is arranged on saw blade cover portion 45, spanner portions 103 is applied towards saw
The power in the outside of piece cover portion 45.Specifically, the engaged releasing force application spring 109 of spanner portions 103 applies the power towards outside, with
Release the engaging of the hexagon-head 101 of nut portions 107 and bolt 100.Therefore, engaging releases one end and the saw of force application spring 109
The outer peripheral face of piece cover portion 45 is abutted, also, the engaging releases the other end of force application spring 109 and is arranged in spanner portions 103
Forcing flanges portion 108 is abutted.So as to which only when pushing the spanner portions 103 to inner side, bolt portion 107 and bolt 100 can be made
Hexagon-head 101 engages, and tightens or looser a bolt 100.Conversely, not being pushed to inner side in the spanner portions 103 and being in certainly
By state when, engaging release force application spring 109 in the presence of, the engaging of the hexagon-head 101 of nut portions 107 and bolt 100
Dissolved by itself.That is, the spanner portions 103 can be made to be on the position that without prejudice to saw blade B is rotated.So, spanner portions 103 are being twisted
During tight bolt 100, it is not necessary to prepare Wrench in addition, tool-user just can be operated with hand to spanner portions 103.Cause
This, it is not necessary to Wrench (operation instrument) in addition, just saw blade B can be installed and dismantled.
In addition, in the above-described embodiment, in the range of the content of the invention is not departed from, various changes can be carried out.For example,
It is used as the structure of grasping device 51, it is not limited to above-mentioned embodiment, appropriate structure can also be selected.
In addition, friction mitigation portion involved in the present invention is not limited to above-mentioned needle roller thrust bearing, it can select to set
Appropriate structure between fixation portion and fixed operating portion is produced to mitigate between fixation portion and fixed operating portion
Raw friction.For example, friction mitigation portion involved in the present invention can also be by appropriate ball bearing or appropriate sliding bearing
Constitute.
Claims (5)
1. a kind of table saw, by the way that circular rotary cutter is arranged on output shaft, to cut cut part, its feature
It is,
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it carries out the operation tightened or unscrewed in the fixation portion via fastening bolt,
By the operating portion to the fixation portion operate the region of transmission, be provided with for mitigating the fixation
The friction mitigation portion of the friction produced between portion and the fixation operating portion.
2. table saw according to claim 1, it is characterised in that
The fixed operating portion is supported by the way of being rotated in the rotation direction in the output shaft, and by the rotation side
It is rotated up, in axially closer to the output shaft or away from the output shaft, so as to tighten or unscrew the fixation
Portion,
The friction mitigation portion is made up of the rolling bearing that the fixed operating portion is accepted on the axial direction.
3. table saw according to claim 2, it is characterised in that
The friction mitigation portion is made up of needle roller thrust bearing.
4. a kind of table saw, by the way that circular rotary cutter is arranged on output shaft, to cut cut part, its feature
It is,
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it carries out the operation tightened or unscrewed in the fixation portion via fastening bolt,
The fixed operating portion is supported by the way of being rotated in the rotation direction in the output shaft, and with cam,
By making the fixed operating portion be rotated in the rotation direction, the cam is leaned in making the fixation portion on axial direction
The nearly output shaft or the remote output shaft, so as to tighten or unscrew the fixation portion.
5. a kind of table saw, by the way that circular rotary cutter is arranged on output shaft, to cut cut part, its feature
It is,
On the output shaft, be provided with the cutter holder rotary cutter being fixed on the output shaft,
The cutter holder has：
Fixation portion, it is used to the rotary cutter being fixed on the output shaft；
Fixed operating portion, it carries out the operation tightened or unscrewed in the fixation portion via fastening bolt,
The fixed operating portion has spanner portions,
The spanner portions are supported in the protection cover portion for the periphery for covering the rotary cutter and can rotated, and can be to institute
Fixation portion is stated to be operated.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-015257 | 2014-01-30 | ||
| JP2014015257 | 2014-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104816038A CN104816038A (en) | 2015-08-05 |
| CN104816038B true CN104816038B (en) | 2017-09-19 |
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ID=53726646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410602603.9A Active CN104816038B (en) | 2014-01-30 | 2014-10-31 | Table saw |
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| Country | Link |
|---|---|
| CN (1) | CN104816038B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107866606A (en) * | 2017-05-31 | 2018-04-03 | 广西南宁华慧光纤科技有限公司 | A kind of novel portable cutter device |
| JP7299111B2 (en) * | 2019-09-03 | 2023-06-27 | 株式会社マキタ | portable cutting machine |
| CN111633268B (en) * | 2019-10-10 | 2021-05-04 | 宁海驰骋金属制品有限公司 | Cutting equipment convenient to operate |
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|---|---|---|---|---|
| CN1233991A (en) * | 1996-10-24 | 1999-11-03 | 动力工具霍德尔斯公司 | Collet chuck device |
| CN201627790U (en) * | 2010-02-01 | 2010-11-10 | 林春火 | Improved structure of quick disassembling tube bundle |
| CN102192128A (en) * | 2010-03-08 | 2011-09-21 | Lg电子株式会社 | Compressor and refrigerator with the same |
| CN102470457A (en) * | 2009-07-10 | 2012-05-23 | 株式会社牧田 | Structure for preventing separation of fixing device for guard member in cutting machine |
| CN202411533U (en) * | 2011-02-09 | 2012-09-05 | 株式会社牧田 | Cutting tool |
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2014
- 2014-10-31 CN CN201410602603.9A patent/CN104816038B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233991A (en) * | 1996-10-24 | 1999-11-03 | 动力工具霍德尔斯公司 | Collet chuck device |
| CN102470457A (en) * | 2009-07-10 | 2012-05-23 | 株式会社牧田 | Structure for preventing separation of fixing device for guard member in cutting machine |
| CN201627790U (en) * | 2010-02-01 | 2010-11-10 | 林春火 | Improved structure of quick disassembling tube bundle |
| CN102192128A (en) * | 2010-03-08 | 2011-09-21 | Lg电子株式会社 | Compressor and refrigerator with the same |
| CN202411533U (en) * | 2011-02-09 | 2012-09-05 | 株式会社牧田 | Cutting tool |
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| Publication number | Publication date |
|---|---|
| CN104816038A (en) | 2015-08-05 |
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