CN206794867U - Milling attachment and its drive connection component - Google Patents
Milling attachment and its drive connection component Download PDFInfo
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- CN206794867U CN206794867U CN201720625044.2U CN201720625044U CN206794867U CN 206794867 U CN206794867 U CN 206794867U CN 201720625044 U CN201720625044 U CN 201720625044U CN 206794867 U CN206794867 U CN 206794867U
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- connection component
- positive stop
- milling
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Abstract
Milling attachment and its drive connection component are the utility model is related to, drive connection component includes：Drive shaft, connector, fixed sleeve part and spacing collar；Drive shaft is connected by connector with spacing collar；Spacing hole is offered in the middle part of spacing collar, the side wall of spacing hole sets some first positive stop keys；The both sides of connector offer a storage tank respectively；Fixed sleeve part includes the first external member and the second external member, and the first external member and the second external member are respectively arranged in two storage tanks, and the inner surface of the first external member and the second external member is respectively arranged with some second positive stop keys, and each second positive stop key is staggered with the first positive stop key.The power of driver can be transferred to milling cutter by drive connection component, by the spline fitted of the second positive stop key and milling cutter, it can effectively increase the contact area between drive connection component and milling cutter, and then effectively reduce abrasion, it is so that more stable after milling cutter long-term work so that milling effect is more preferably.
Description
Technical field
Milling technology field is the utility model is related to, more particularly to milling attachment and its drive connection component.
Background technology
Milling cutter is for the instrument to workpiece polarity Milling Process, and milling cutter typically has one or more cutters tooth and at a high speed
Milling is carried out to workpiece in rotation, is mainly used in processing plane, step, groove, profiled surface and cut-out workpiece etc. on milling machine.
Traditional milling machine is fixed to milling cutter and is fixed more using screw mode, because screw is directly threaded into milling cutter, is made
Obtain milling cutter to fix with drive connection part, the power of driver is transferred to milling cutter by drive connection part, and screw serves fixation
Effect, when power transmits, for screw also simultaneously to milling cutter transmission, it is more not fragile to open up the milling cutter one side structure of screw, by
Be easily broken off during to huge torsion, on the other hand, cooperated for a long time between screw and milling cutter, easily cause screw abrasion and
Cutter wear, and then make it that connecting portion is stable between the two, easily causes milling cutter to rock, or even come off, cause workpiece damage.
Utility model content
Based on this, it is necessary to which the milling cutter for traditional milling machine is fixed by screw, and milling cutter longtime running will be made
Into the link position abrasion between milling cutter and screw, milling cutter is caused to loosen, and then the defects of influence milling effect, there is provided a kind of milling
Knife.
A kind of milling cutter, including：Drive shaft, connector, fixed sleeve part and spacing collar；
The drive shaft is used to be connected with driver, the one end of the drive shaft away from the driver and the connector
Connection, and the drive shaft is connected by the connector with the spacing collar；
Spacing hole is offered in the middle part of the spacing collar, the side wall of the spacing hole sets some first positive stop keys；
The both sides of the connector offer a storage tank respectively；
The fixed sleeve part includes the first external member and the second external member, and first external member and second external member are set respectively
In in two storage tanks, and first external member and second external member are detachably connected with the connector respectively；
The inner surface of first external member and second external member is respectively arranged with some second positive stop keys, and each described
Two positive stop keys are staggered with first positive stop key.
In one of the embodiments, the spacing collar offers some necks close to one end of the connector.
In one of the embodiments, the fixed sleeve part is provided with some card keys, and each card key is inserted in an institute
State in neck.
In one of the embodiments, the neck has triangular-section.
In one of the embodiments, first positive stop key has triangular-section.
In one of the embodiments, second positive stop key has triangular-section.
In one of the embodiments, first positive stop key has trapezoid cross section.
In one of the embodiments, second positive stop key has trapezoid cross section.
A kind of milling attachment, including the drive connection component described in any of the above-described embodiment.
Above-mentioned milling attachment and its drive connection component, it is spacing to milling cutter progress by spacing collar, and combine fixed cover
Fixation of the part to the first cutter head so that drive connection component is fixedly connected with milling cutter, and drive connection component can be by driver
Power is transferred to milling cutter, by the spline fitted of the second positive stop key and milling cutter, can effectively increase drive connection component and milling cutter
Between contact area, and then effectively reduce abrasion so that more stable after milling cutter long-term work so that milling effect is more preferably.
Brief description of the drawings
Fig. 1 is the stereochemical structure decomposing schematic representation of the drive connection component of an embodiment；
Fig. 2 is the stereochemical structure decomposing schematic representation of the drive connection component of another embodiment；
Fig. 3 is a direction structure schematic diagram of the milling cutter of an embodiment；
Fig. 4 is a direction structure schematic diagram of the milling attachment of an embodiment；
Fig. 5 is the cross-sectional view of the Buffer Unit of an embodiment；
Fig. 6 is the cross-sectional view of the Buffer Unit of another embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Better embodiment of the present utility model is given in accompanying drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag
Include the arbitrary and all combination of the Listed Items of one or more correlations.
For example, a kind of drive connection component, including：Drive shaft, connector, fixed sleeve part and spacing collar；The driving
Axle is used to be connected with driver, and the one end of the drive shaft away from the driver is connected with the connector, and the driving
Axle is connected by the connector with the spacing collar；Spacing hole, the spacing hole are offered in the middle part of the spacing collar
Side wall some first positive stop keys are set；The both sides of the connector offer a storage tank respectively；The fixed sleeve part bag
The first external member and the second external member are included, first external member and second external member are respectively arranged in two storage tanks, and
First external member and second external member are detachably connected with the connector respectively；First external member and described second
The inner surface of external member is respectively arranged with some second positive stop keys, and each second positive stop key is staggered with first positive stop key
Open.
For example, a kind of milling attachment, including the drive connection component described in above-described embodiment.
It is spacing to milling cutter progress by spacing collar in above-described embodiment, and the first cutter head is consolidated with reference to fixed sleeve part
It is fixed so that drive connection component is fixedly connected with milling cutter, and the power of driver can be transferred to milling cutter by drive connection component, is led to
The spline fitted of the second positive stop key and milling cutter is crossed, can effectively increase the contact area between drive connection component and milling cutter, enter
And effectively reduce abrasion so that more stable after milling cutter long-term work so that milling effect is more preferably.
As shown in figure 1, its be an embodiment drive connection component 200, for connect the driver in milling attachment with
Milling cutter, the drive connection component 200 include：Drive shaft 210, connector 220, fixed sleeve part 230 and spacing collar 240；It is described
Drive shaft 210 is used to be connected with driver, and the one end of the drive shaft 210 away from the driver connects with the connector 220
Connect, and the drive shaft 210 is connected by the connector 220 with the spacing collar 240；In the spacing collar 240
Portion offers spacing hole 241, and the side wall of the spacing hole 241 sets some first positive stop keys 242, i.e., described spacing collar 240
Inner surface some first positive stop keys 242 are set；The both sides of the connector 220 offer a storage tank 221 respectively, i.e.,
The connector 220 offers two storage tanks 221, and two storage tanks 221 are arranged at the both sides of connector 220；It is described solid
Determining external member 230 includes the first external member 231 and the second external member 232, and first external member 231 and second external member 232 are set respectively
Be placed in two storage tanks 221, and first external member 231 and second external member 232 respectively with the connector 220
It is detachably connected；It is spacing that the inner surface of first external member 231 and second external member 232 is respectively arranged with some second
Key 233, the i.e. inner side of fixed sleeve part 230 are provided with some second positive stop keys 233, each second positive stop key 233 and described the
One positive stop key 242 is staggered.
Specifically, the drive shaft 210 is used to connect driver, for example, the driver is motor.The fixed sleeve part 230 is used
In fixed milling cutter, for example, the fixed sleeve part 230 is used for the first cutter head for fixing milling cutter, the spacing collar 240 is used to limit milling cutter
The first cutter head, avoid the first cutter head from being skidded off from fixed sleeve part 230, for example, the first positive stop key 242 and the second positive stop key 233
Shape is identical, for example, the spacing of two adjacent the first positive stop keys 242 is identical with the spacing of two neighboring second positive stop key 233,
That is the first positive stop key 242 and the second positive stop key 233 are identical, but both mutually stagger, for example, the first positive stop key 242 and milling cutter
The spline of spline part matches, for example, the spline of the second positive stop key 233 and the spline part of milling cutter matches, for example, two neighboring
The first stopper slot is provided between first positive stop key 242, for example, being provided with the second limit between two neighboring second positive stop key 233
Position groove.
Specifically, when installing milling cutter, the spline part of the first cutter head of milling cutter inserts spacing collar along the first stopper slot
240, after spline part passes through spacing collar 240, the first cutter head rotates so that each spline of spline part and each first stopper slot
Stagger respectively, so, the first cutter head will be by 242 blocks of the first positive stop key, so, first after passing through the spacing collar 240
Cutter head will be unable to reversely skid off from spacing collar 240, then, the first external member 231 and the second external member 232 is inserted in into two respectively
In individual storage tank 221, the first external member 231 and the second external member 232 are fixed on connector 220, and by the first external member 231 and
Each second stopper slot in two external members 232 aligns one by one respectively with each spline of spline part so that each spline is arranged in one
In two stopper slots, and then fixed sleeve part 230 is fixed the first cutter head.By spacing collar 240 to the spacing of the first cutter head,
And combine fixation of the fixed sleeve part 230 to the first cutter head so that drive connection component 200 is fixedly connected with milling cutter, drive connection
The power of driver can be transferred to milling cutter by component 200, and then enable the second cutter head of milling cutter to carry out milling to workpiece.
By the spline fitted of the second positive stop key and milling cutter, it can effectively increase the contact area between drive connection component and milling cutter,
And then abrasion is effectively reduced, it is excessive to reduce concentrated wear so that more stable after milling cutter long-term work so that milling effect is more
It is good.
In order that fixed sleeve part 230 can accurate alignment in each spline of spline part, and cause the inner side of fixed sleeve part 230
The second positive stop key 233 accurately can be staggered with the first positive stop key 242, for example, as shown in Fig. 2 the spacing collar 240 leans on
One end of the nearly connector 220 offers some necks 243, for example, the fixed sleeve part 230 is provided with some card keys 234,
Each card key 234 is inserted in a neck 243, for example, the first external member 231 and the second external member 232 are respectively arranged with
Some card keys 234, so, when installing the first external member 231 and the second external member 232, only card key 234 need to be aligned in neck 243,
First external member 231 and the second external member 232 are inserted in storage tank 221, by the first external member 231 and the second external member 232 respectively with
Connector 220 is fixed, so so that the first external member 231 and the second external member 232 can quick and precisely align spacing collar
240240, and then cause the second positive stop key 233 in the first external member 231 and the second external member 232 respectively at the inner side of spacing collar 240
The first positive stop key 242 stagger one by one.
Inserted for the ease of card key in neck, for example, the card key has the shape to match with the neck, for example,
The card key have with the neck identical cross sectional shape, for example, the neck has triangular-section, for example, the card
Key has triangular-section, and so, card key can be in quick insertion neck, and then causes the first external member 231 and the second external member 232
Position can be quickly determined, in further embodiment, as shown in Fig. 2 the neck 243 has semi-circular cross-section, the card key
234 have semi-circular cross-section, it should be understood that because drive connection component 200 is used for passing power, therefore, drive connection
High-speed rotation is driven milling cutter to rotate by component 200, will be produced between each part between drive connection component 200 larger mutual
Active force, and in the present embodiment, the shape of neck and card key is disposed as semicircle, connection between the two go out it is more smooth,
It is more smooth to be advantageous to the interphase interaction of the first external member 231 and the second external member 232 and spacing collar 240, and semicircle section
The neck in face can provide buffering for semicircular card key, avoid producing excessive frictional force between card key and the side wall of neck and
Cause card key abrasion excessive so that the shape of card key can keep the longer time, effectively increase the first external member 231 and second set
The service life of part 232.
For the spline in preferably matching spline portion, for example, first positive stop key 242 has triangular-section, for example,
First stopper slot has triangular-section, for example, second positive stop key 233 has triangular-section, for example, described
Two stopper slots have triangular-section.In the present embodiment, the first stopper slot has the shape matched with spline so that spline can
Pass through first stopper slot, and the form fit of the second stopper slot and spline, it can preferably fix spline so that first
The spline part of cutter head is fixedly connected with the first external member 231 and the second external member 232.And for example, first positive stop key 242 has ladder
Tee section, for example, first stopper slot has trapezoid cross section, for example, second positive stop key 233 has trapezoid cross section, example
Such as, second stopper slot has trapezoid cross section.First stopper slot has the shape matched with spline so that spline can be smooth
Through first stopper slot, and the form fit of the second stopper slot and spline, it can preferably fix spline so that the first cutter head
Spline part be fixedly connected with the first external member 231 and the second external member 232 so that drive connection component 200 can well by
The power of driver is transferred to milling cutter.
In order to which the first external member 231 and the second external member 232 are fixed on connector 220, for example, first external member
231 and second external member 232 be spirally connected respectively with the connector 220, for example, referring again to Fig. 2, the connector 220
Projection is provided with four first connection ears 222 laterally, and each first connection ear 222 offers the first connecting hole respectively
223, for example, two the first connection ears 222 in four the first connection ears 222 are respectively arranged at an appearance
The both sides at the edge of groove 221 are put, four described first two other described first connection ear 222 connected in ears 222 divide
The both sides at the edge of another storage tank 221 are not arranged at, i.e., two first connection ears correspond to the first external members 231, in addition
Two first corresponding second external members 232 of connection ear, for example, the both sides of first external member 231 and second external member 232 point
The second connection ear 235 is not provided with, i.e. the first external member 231 is provided with two second connection ears 235, two the second engaging lugs
Portion 235 is respectively arranged at the both sides of first external member 231, and the second external member 232 is provided with two second connection ears 235, and two
Individual second connection ear 235 is respectively arranged at the both sides of second external member 232, and each second connection ear 235 opens up
There is the second connecting hole 236, each second connecting hole 236 aligns with first connecting hole 223, and described every one second
Be spirally connected a screw respectively in 236 and 1 first connecting hole 223 of connecting hole, so, by screw with first be connected ear with
And second connection ear connection so that the first external member 231 and the second external member 232 are fixed on connector 220.
As shown in figure 3, it is the milling cutter 100 of an embodiment, including：First cutter head 110 of integrally connected, knife main body 130
With the second cutter head 120；The knife main body 130 includes the first connecting portion 131 and second connecting portion 132 being connected with each other, and described the
One connecting portion 131 and the second connecting portion 132 have cylindrical structure, the radial section of the first connecting portion 131 respectively
Diameter be more than the second connecting portion 132 radial section diameter, first cutter head 110 and the first connecting portion
131 one end connections away from the second connecting portion 132, second cutter head 120 is with the second connecting portion 132 away from described
One end connection of first connecting portion 131；First cutter head 110 has circular cross-section, and the outside table of first cutter head 110
Face is provided with spline part 111, and the width of the spline part 111 gradually increases from both ends to middle part, and the spline part 111 is most
Small width is more than the diameter of the first connecting portion 131；Second cutter head 120 has cylindrical structure, and second knife
First 120 outer surface is provided with barber-pole stripes 122, and the barber-pole stripes 122 are axially arranged along second cutter head 120,
The one end of second cutter head 120 away from the second connecting portion 132 offers blocked hole 141.
Specifically, as shown in figure 3, the spline part 111 includes some splines 112, the spline part 111 of first cutter head 110
It is connected for the drive connection component with driver, for example, drive connection component is provided with positive stop key, positive stop key and spline 112
Engagement, so so that milling cutter 100 is connected by the first cutter head 110 with drive connection component, in addition so that the power of driver
Can be by drive connection component passes to milling cutter 100, when the first cutter head 110 is connected with drive connection component, the second cutter head 120
Milling is then carried out to workpiece, the barber-pole stripes 122 of the second cutter head 120 can carry out helical milling to workpiece.
In addition, when the second cutter head 120 is connected as connection member with drive connection component, the second cutter head 120 is along drive
Helicitic texture in dynamic connection component is screwed into drive connection component, when the second cutter head 120 be screwed onto with drive connection component
When positioning hole aligns, then screw or keeper are inserted into the blocked hole 141 of the second cutter head 120 through positioning hole, and then
So that the second cutter head 120 is fixed with drive connection component, now, the first cutter head 110 carries out milling to workpiece, due to spline part
The width at 111 middle part is larger, subordinate can so be connected to the side of workpiece, the i.e. side of spline part 111 and the side of workpiece
Face is abutted, the high-speed rotation of spline part 111, and milling is carried out to the side of workpiece.
In the present embodiment, because the diameter of first connecting portion 131 is more than the diameter of second connecting portion 132, that is, second
The diameter of connecting portion 132 is smaller, so, when the second cutter head 120 carries out the helical milling of side to workpiece, can effectively avoid
Second connecting portion 132 is abutted to the side of workpiece, and then causes the second cutter head 120 to have more preferable processing effect to workpiece, this
Outside, being relatively large in diameter due to first connecting portion 131 so that the intensity of knife main body 130 is higher.For example, the second connecting portion 132
Length be more than the first connecting portion 131 length, so, second connecting portion 132 can coating workpieces, to the main of workpiece
Position carries out milling, and effectively avoids first connecting portion 131 from abutting workpiece, and the milling to workpiece impacts.
It should be understood that in each embodiment, the width of first cutter head 110 is the first cutter head 110 parallel to knife master
The width of the plane radially of body 130, for example, the first cutter head 110 has the structure of similar cylindrical shape, first cutter head
110 width is the width of the first cutter head 110 diametrically, has the first cutter head 110 to set spline part 111, therefore spline
The minimum widith in portion 111 is the distance between two relative bottoms of spline 112, and Breadth Maximum is two relative splines
The distance between 112 top, and when the first cutter head 110 to workpiece carry out milling when, due to the first cutter head 110 width compared with
Greatly, therefore, the first cutter head 110 can directly be connected to workpiece, effectively avoid the first connecting portion 131 of knife main body 130 from being connected to
Workpiece, the milling to workpiece impact.Further, since the width at the middle part of spline part 111 is larger, and in other words, spline part
The width at 111 both ends in the axial direction of the first cutter head 110 is smaller, and the width at middle part is larger, so, the spline part 111
Middle part be directly connected to workpiece, reduce the contact area with workpiece, micro- milling can be carried out to workpiece.
In above-described embodiment, the cutter head 120 of spline part 111 and second that the first cutter head 110 is set can be respectively as connection
Head is connected with driver, and so, the first cutter head 110 and the second cutter head 120 can carry out milling to workpiece, due to the first cutter head
110 and second cutter head 120 shape it is different, and then cause milling there is different-effect so that a milling cutter 100 realizes two kinds of millings
Effect is cut, effectively reduces milling cost.
It is connected in order that obtaining milling cutter 100 with drive connection component, in one embodiment, for example, the drive connection group
Part madial wall is provided with helicitic texture, the barber-pole stripes 122 on the second cutter head 120 and the screw thread of the madial wall of drive connection component
Structure is cooperated, and then the second cutter head 120 is relatively fixed with drive connection component.
In order to fix the second cutter head 120, for example, referring again to Fig. 3, second cutter head 120 connects away from described second
One end of socket part 132 is provided with Access Division 140, and the blocked hole 141 is opened in the Access Division 140.Specifically, the present embodiment
In, the Access Division 140 is used to be connected with drive connection component, for example, drive connection component is provided with positioning hole, the positioning hole and
Blocked hole 141 aligns, for example, drive connection component both sides offer positioning hole, the described positioning hole of both sides and clamping respectively
Hole 141 is alignd, and so, screw or keeper are inserted into the blocked hole 141 of the second cutter head 120 through positioning hole so that
Screw or keeper are fixedly connected with drive connection component and Access Division 140 respectively, and then cause milling cutter 100 and drive connection
Component is fixedly connected.
In order that obtaining the second cutter head 120 can be screwed into drive connection component, for example, as shown in figure 3, the Access Division
140 width is less than the diameter of the radial section of second cutter head 120, for example, there is cylinder to tie for the Access Division 140
Structure, for example, the Access Division 140 has circular cross-section, for example, the lateral cross section of the Access Division 140 is circle, for example, institute
The diameter for stating the radial section of Access Division 140 is less than the diameter of the described second radial section to the end, so, due to Access Division
140 diameter is smaller, and Access Division 140 is not connected to the madial wall of drive connection component, that is to say, that Access Division 140 is not
Abutted with the helicitic texture of the madial wall of drive connection component, so enable Access Division 140 in drive connection component from
By rotating so that the second cutter head 120 can rotate into drive connection component easily.
In order that milling cutter 100 rotate it is more steady, for example, the length of second cutter head 120 is more than first knife
First 110 length.For example, the diameter of the lateral cross section of second cutter head 120 is less than the lateral cross section of first cutter head 110
Diameter, it should be understood that because the diameter of the second cutter head 120 is smaller, and the first cutter head 110 is relatively large in diameter, and so, is held
Easily cause the first cutter head 110 and the second cutter head 120 when by identical torsion, because inertia is different, and cause 100 liang of milling cutter
End rotation is unstable, and therefore, in the present embodiment, the length of the second cutter head 120 is more than the length of the first cutter head 110 so that second
When the diameter of cutter head 120 is less than the diameter of the first cutter head 110, the weight of the first cutter head 110 and the second cutter head 120 more connects
Closely, and then make it that both inertia is close, so that milling cutter 100, when rotating, both ends are more steady.
More can firmly it be connected with drive connection component in order that obtaining the first cutter head 110 so that milling cutter 100 can be more
Driven by driver well, for example, the spline part 111 includes some splines 112, for example, each spline 112 is respectively provided with
Trapezoid cross section.For example, drive connection component is provided with some positive stop keys to match with spline 112, adjacent two positive stop keys
Between the stopper slot with trapezoid cross section is set, each spline 112 is arranged in a stopper slot, and so, the spline 112 can be very
It is fixed in stopper slot well, and then milling cutter 100 is connected with drive connection component so that milling cutter 100 can be driven
Dynamic device is driven.In a further embodiment, each spline 112 is respectively provided with triangular-section, for example, for example, drive connection
Component is provided with some positive stop keys to match with spline 112, and being set between adjacent two positive stop keys has triangular-section
Stopper slot, each spline 112 is arranged in a stopper slot, and so, each spline 112 is fixed in triangle stopper slot, energy
Enough so that the first cutter head 110 is connected by the spline part 111 with drive connection component so that drive connection component can be well
Passing power.
As shown in figure 4, it is the milling attachment 10 of an embodiment, including：Driver 300, milling mechanism and perforating mechanism,
For example, the driver 300 includes the first driver 310 and the second driver 320；The milling mechanism includes drive connection group
Part 200 and milling cutter 100, first driver 310 by the drive connection component 200 and the drive connection of milling cutter 100,
For example, the driving axis connection of first driver 310 and the drive connection component 200；The perforating mechanism includes buffering
Component 400 and drill bit 500, second driver 320 pass through the Buffer Unit 400 and the drive connection of drill bit 500.
As shown in figure 5, the Buffer Unit 400 includes the first bolster 410 and the second bolster 420, described first is slow
Stamping 410 is connected with second driver 320, and second bolster 420 is connected with the drill bit 500, and described first is slow
It is provided with the first elastic component and the second elastic component between stamping 410 and second bolster 420, the two of first elastic component
End is connected with first bolster 410 with second bolster 420 respectively, the both ends of second elastic component respectively with institute
The first bolster 410 is stated to be connected with second bolster 420, and the elasticity of first elastic component and second elastic component
Direction is different.
In the present embodiment, milling attachment 10 is provided with milling mechanism and perforating mechanism, and milling mechanism is used to carry out workpiece
Milling, perforating mechanism are used to punch workpiece, carry out the processing of complete process to workpiece by milling and punching so that milling
The Milling Process of turning device 10 is better, and effectively reduces difficulty of processing, improves processing efficiency.
Specifically, the first elastic component and the elasticity of the second elastic component set in the Buffer Unit 400 is in opposite direction, this
Sample, when drill bit 500 by the second driver 320 driving and high-speed rotation, when being drilled to workpiece surface, the first elastic component
Buffering of the elastic force of different directions as drill bit 500 is provided drill bit 500 respectively with the second elastic component, and then causes drill bit 500
Workpiece surface can be connected to exactly, and is persistently bored in workpiece surface, and then make it that workpiece surface is drilled, and can
Effectively protection workpiece, avoids workpiece from being damaged by greater impact so that drilling effect is more preferably.
In order to realize good buffering effect, for example, as shown in figure 5, first elastic component is spring 430, the bullet
The both ends of spring 430 are connected with first bolster 410 with second bolster 420 respectively.For example, second elastic component
For extension spring 440, the both ends of the extension spring 440 are connected this with first bolster 410 with second bolster 420 respectively
Sample, before drill bit 500 is connected to workpiece surface, extension spring 440 then provides the elastic force away from workpiece direction for drill bit 500, avoids boring
Impulse force is excessive and cause workpiece to be damaged between first 500 and workpiece, when drill bit 500 mutually abuts with workpiece surface, workpiece surface
Spring 430, which will be compressed, to be caused to the reaction force of drill bit 500, spring 430 provides the elastic force towards workpiece for drill bit 500, is
Drill bit 500 provides buffering, so so that have good buffering effect between drill bit 500 and workpiece, effectively protect drill bit
500 and workpiece, and cause the drilling effect of drill bit 500 more preferably.
In order that extension spring 440 and spring 430 more can smoothly stretch, for example, the extension spring 440 be sheathed on it is described
The outside of spring 430, for example, the extension spring 440 and the spring 430 are coaxially disposed, in such manner, it is possible to so that extension spring 440 and bullet
Spring 430 is compressed or stretched on same central axis, and then make it that both elastic force directions are lucky on the same line,
And then cause spring 430 and extension spring 440 to the elasticity effect of drill bit 500 more preferably.
In order to further such that extension spring 440 and spring 430 more can smoothly stretch, for example, Fig. 5 is referred to, it is described
Buffer Unit 400 also includes set axle 450 and interior axle 460, and the set axle 450 is fixedly connected with second bolster 420, described
The middle part of set axle 450 offers mantle cavity 451, and the interior axle 460 is fixedly connected with first bolster 410, and the interior axle 460 is lived
Dynamic to be arranged in the mantle cavity 451 of the set axle 450, the spring 430 is sheathed on the outside of the set axle 450, so, should
Spring 430 will be moved along the axial direction of set axle 450, and set axle 450 provides excellent support to spring 430 so that spring 430
Flexible more steady, for example, the extension spring 440 is arranged in the mantle cavity 451, and the extension spring 440 is sheathed on the interior axle
460 outside, so, the inner side of the extension spring 440 is by the support of interior axle 460, and outside is then limited by set axle 450, makes
Extension spring 440 is flexible more steady, further, since extension spring 440 and spring 430 be respectively arranged at the inner side of the set axle 450 with
Outside so that extension spring 440 and spring 430 are separated from each other, effectively avoid both draw high or compression process in mutually abut hand over
Mistake, cause the mutual buckle of extension spring 440 and spring 430 so that Buffer Unit 400 work it is more stable, being capable of continuous and effective pair
Drill bit 500 provides buffering.Further, since interior axle 460 is arranged in set axle 450 so that the first bolster 410 and the second bolster
Relative motion between 420 is more steady.
For the motion of preferably limited spring 430 and stage clip, spring 430 and stage clip is avoided to produce perpendicular to elastic force direction
Translation, for example, as shown in fig. 6, first bolster 410 includes the first dsah-pot 411, for example, second bolster
420 include the second dsah-pot 421, for example, the dsah-pot 421 of first dsah-pot 411 and second is respectively internal with hollow
The cylindrical structural of structure, for example, first dsah-pot 411 offers the first cushion chamber 412, second dsah-pot 421
The second cushion chamber 422 is offered, first dsah-pot 411 is arranged in second cushion chamber 422, the He of spring 430
The extension spring 440 may be contained within first cushion chamber 412, and first dsah-pot 411 offers the first cushion chamber 412,
First cushion chamber 412 has the first opening, and second dsah-pot 421 offers the second cushion chamber 422, and described second is slow
Rush chamber 422 and wear second opening sleeve in second cushion chamber 422 with the second opening, first dsah-pot 411,
It should be understood that the one end of first dsah-pot 411 away from the first opening is the bottom of first dsah-pot 411,
The one end of second dsah-pot 421 away from the second opening is the bottom of second dsah-pot 421, for example, the spring
430 both ends are connected with the bottom of first cushion chamber 412 and the bottom of second cushion chamber 422 respectively, the drawing
The both ends of spring 440 are connected with the bottom of first cushion chamber 412 and the bottom of second cushion chamber 422 respectively, for example,
The outer surface of first dsah-pot 411 is connected to the side wall of second cushion chamber 422, i.e., described first dsah-pot 411
Outer surface be connected to the inner surface of second dsah-pot 421, so, second dsah-pot 421 is to the first dsah-pot
411 motion is limited, and is avoided the first dsah-pot 411 and is produced radial deflection, and then causes the first dsah-pot 411 and second
Relative motion between dsah-pot 421 is more steady, and more preferably buffering effect is provided for drill bit 500.
It should be understood that the diameter of drill bit 500 is from one end of close Buffer Unit 400 to away from Buffer Unit 400
One end be gradually reduced, its end is tapered, and diameter is minimum, and so, when end abutment is in workpiece surface, workpiece is to drill bit
500 reaction feeds back to the entirety of drill bit 500 by end, so, easily produces the reaction force of skew, and due to spring
430 and extension spring 440 align the central axis of the drill bit 500, such reaction force will cause spring 430 and extension spring 440 to produce
The distortion skew of raw radial direction, causes drill bit 500 to offset, in order to provide more preferable buffering effect, for example, first cushion chamber
Multiple springs 430 and multiple extension springs 440 are provided with 412, for example, each extension spring 440 and each spring 430 are mutually wrong
Open, so, multiple springs 430 and multiple extension springs 440 can be respectively that drill bit 500 provides elastic force in opposite direction so that elastic force
More uniformly spread, can adapt to the reaction force of skew, provide elastic force in radially multiple positions for drill bit 500, and then cause
Drill bit 500 is by more balanced buffering effect so that the drilling effect of drill bit 500 is more preferably.
In order to further such that elastic force can be uniformly distributed, for example, the bottom of first cushion chamber 412 and described
The bottom of two cushion chambers 422 is respectively arranged with cushion pad, for example, the cushion pad is rubber blanket, for example, each spring 430
Both ends pass through the cushion pad and the bottom of first cushion chamber 412 and the bottom of second cushion chamber 422 respectively
Connection, for example, the both ends of each extension spring 440 respectively by the bottom of the cushion pad and first cushion chamber 412 and
The bottom connection of second cushion chamber 422, so, cushion pad enables to spring 430 and the elastic force of extension spring 440 more to divide
Dissipate so that spring 430 and extension spring 440 are more uniformly spread to the elastic force of drill bit 500, and can be the first dsah-pot 411 and
Second dsah-pot 421 provides spring damping, and then causes the overall buffering effect to drill bit 500 of Buffer Unit 400 more preferably.
For example, a kind of milling attachment 10, include the milling cutter 100 of any of the above-described embodiment, and for example, a kind of milling attachment 10,
Drive connection component 200 including any of the above-described embodiment, and for example, a kind of milling attachment 10, including any of the above-described embodiment
Milling cutter 100 and drive connection component 200.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of drive connection component, for being connected with driver, it is characterised in that the drive connection component includes：Driving
Axle, connector, fixed sleeve part and spacing collar；
The drive shaft is used to be connected with driver, and the one end of the drive shaft away from the driver connects with the connector
Connect, and the drive shaft is connected by the connector with the spacing collar；
Spacing hole is offered in the middle part of the spacing collar, the side wall of the spacing hole sets some first positive stop keys；
The both sides of the connector offer a storage tank respectively；
The fixed sleeve part includes the first external member and the second external member, and first external member and second external member are respectively arranged at two
In the individual storage tank, and first external member and second external member are detachably connected with the connector respectively；
The inner surface of first external member and second external member is respectively arranged with some second positive stop keys, each second limit
Position key is staggered with first positive stop key.
2. drive connection component according to claim 1, it is characterised in that the spacing collar is close to the connector
One end offers some necks.
3. drive connection component according to claim 2, it is characterised in that the fixed sleeve part is provided with some card keys,
Each card key is inserted in a neck.
4. drive connection component according to claim 3, it is characterised in that the neck has triangular-section.
5. drive connection component according to claim 1, it is characterised in that there is first positive stop key triangle to cut
Face.
6. drive connection component according to claim 5, it is characterised in that there is second positive stop key triangle to cut
Face.
7. drive connection component according to claim 1, it is characterised in that first positive stop key has trapezoid cross section.
8. drive connection component according to claim 7, it is characterised in that second positive stop key has trapezoid cross section.
9. a kind of milling attachment, it is characterised in that including the drive connection component any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625044.2U CN206794867U (en) | 2017-05-31 | 2017-05-31 | Milling attachment and its drive connection component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625044.2U CN206794867U (en) | 2017-05-31 | 2017-05-31 | Milling attachment and its drive connection component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206794867U true CN206794867U (en) | 2017-12-26 |
Family
ID=60743646
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625044.2U Expired - Fee Related CN206794867U (en) | 2017-05-31 | 2017-05-31 | Milling attachment and its drive connection component |
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| Country | Link |
|---|---|
| CN (1) | CN206794867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127383A (en) * | 2017-05-31 | 2017-09-05 | 惠州市柯帝士科技有限公司 | Milling attachment and its drive connection component |
-
2017
- 2017-05-31 CN CN201720625044.2U patent/CN206794867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107127383A (en) * | 2017-05-31 | 2017-09-05 | 惠州市柯帝士科技有限公司 | Milling attachment and its drive connection component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180531 |