CN206048309U - A kind of break bar - Google Patents
A kind of break bar Download PDFInfo
- Publication number
- CN206048309U CN206048309U CN201621098015.7U CN201621098015U CN206048309U CN 206048309 U CN206048309 U CN 206048309U CN 201621098015 U CN201621098015 U CN 201621098015U CN 206048309 U CN206048309 U CN 206048309U
- Authority
- CN
- China
- Prior art keywords
- break bar
- holding tank
- chip holding
- endoporus
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
This utility model provides a kind of break bar, including break bar card, the break bar conical surface and break bar endoporus；The break bar conical surface is separately positioned on the edge of the break bar card；Two break bar conical surfaces are crossed to form break bar cutting edge；The break bar endoporus is located at the center of the break bar card and runs through the break bar；Also include the chip holding tank being arranged in the break bar card；The axis of the medial surface and lateral surface place circular arc of the chip holding tank is overlapped with the axis of the break bar endoporus.In actual use, cutter shaft can be arranged on break bar on knife rest by break bar endoporus；After processing the gap that the chip that article to be cut produces is entered between break bar and knife rest, in the gap that break bar and knife rest are entered in chip holding tank rather than are gathered under the squeezing action of break bar and knife rest, therefore the break bar caused because chip pours in gap problem to seize up can be reduced, the cutting seam quality that break bar cuts formation on article to be cut is improved.
Description
Technical field
This utility model is related to material cutting technique field, more particularly to a kind of break bar.
Background technology
Break bar is the cutter that cutting seam is formed on product to be cut.Break bar mainly includes break bar card, break bar endoporus, break bar
The conical surface and the break bar cutting edge being crossed to form by the break bar conical surface.At present, known break bar, break bar card are flat surface.
In actually used, break bar is arranged in the break bar groove of knife rest, with cutter shaft by cutter shaft and is rotated.To limit break bar
Shaking amplitude in rotary course, prevent that cutting seam is irregular to be extended, the gap between break bar card and break bar groove inwall is very
It is little.
In article cutting process to be cut, the seam entered between break bar card and break bar groove inwall of chip randomness
In gap.If a large amount of chips are remained in gap, break bar can be made to rotate the problem having some setbacks, be caused under cutting seam quality then
Drop, cause finished product yields to decline.
Utility model content
When break bar to solve to adopt in prior art is used, chip pours in the gap between break bar card and knife rest
When have a strong impact on break bar rotation, then affect break bar is formed on article to be cut cutting stitch quality problem, this utility model
A kind of new break bar is provided.
This utility model provides a kind of break bar, including two break bar cards, two break bar conical surfaces and break bar endoporus；Two institutes
State the edge that the break bar conical surface is separately positioned on two break bar cards；Two break bar conical surfaces are crossed to form break bar cutting edge；
The break bar endoporus is located at the center of the break bar card and runs through the break bar；Also include being arranged in the break bar card
Chip holding tank；The axis of the medial surface and lateral surface place circular arc of the chip holding tank and the axis of the break bar endoporus
Line overlaps.
Optionally, the chip holding tank is the cannelure with the axis of the break bar endoporus as axis.
Optionally, the cross section of the chip holding tank is in rectangle, trapezoidal, circular arc, kidney-shaped and toroidal
Kind.
Optionally, the chip holding tank notch end arranges chamfering.
Optionally, at the notch of the chip holding tank, the lateral surface of the chip holding tank is to the break bar endoporus
The distance of axis is x；In the notch of the chip holding tank, the lateral surface of the chip holding tank is to the break bar endoporus
The distance of axis is y；At least partly the y in region is more than the x.
Optionally, the bottom land from the notch of the chip holding tank to the chip holding tank, the chip holding tank
Lateral surface gradually increases to the distance of the break bar endoporus axis.
Optionally, the ratio of the width of rebate of the chip holding tank and the break bar card width is 0.30-0.35.
Optionally, the notch of the chip holding tank to the break bar conical surface distance be 0.10-0.30mm.
Optionally, the depth of the chip holding tank is 0.05-0.20mm；The width of the chip holding tank is 0.10-
0.50mm。
Optionally, the angle of the break bar cutting edge is 100 ° -160 °；The distance of two break bar cards is 0.65-
1.00mm；The external diameter of the break bar is 2.00-3.00mm；A diameter of 0.80-1.10mm of the break bar endoporus.
The break bar that this utility model is provided, including two break bar cards, two break bar conical surfaces and break bar endoporus；The break bar conical surface
The edge of break bar card is arranged on, the break bar conical surface is crossed to form break bar cutting edge；Break bar endoporus is located at the center of break bar card simultaneously
Through break bar.In addition, being additionally provided with chip holding tank in two break bar cards, the medial surface of chip holding tank and lateral surface are located
The axis of circular arc is overlapped with the axis of break bar endoporus.In actual use, break bar can be installed by cutter shaft by break bar endoporus
On knife rest；After processing the gap that the chip that article to be cut produces is entered between break bar and knife rest, in break bar and knife rest
Enter under squeezing action in chip holding tank rather than be gathered in the gap of break bar and knife rest, therefore can reduce because chip is big
The break bar that amount pours in gap and causes problem to seize up, improves the cutting seam matter that break bar cuts formation on article to be cut
Amount.
Description of the drawings
To be illustrated more clearly that background technology or the technical solution of the utility model, to prior art or it is embodied as below
The accompanying drawing being used in combination in mode is briefly described；It should be evident that being only to use below in conjunction with the accompanying drawing of specific embodiment
In this utility model embodiment is conveniently understood, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition；
Fig. 1 is first embodiment break bar axonometric drawing；
Fig. 2 is first embodiment break bar front view；
Fig. 3 is Section A-A schematic diagram in Fig. 2；
Fig. 4 is Section A-A dimensional standard figure in Fig. 2；
Fig. 5 is second embodiment break bar schematic cross-section；
Fig. 6 is 3rd embodiment break bar schematic cross-section；
Fig. 7 is fourth embodiment break bar schematic cross-section；
Fig. 8 is the 5th embodiment break bar schematic cross-section；
Wherein：1- break bar cards, the 2- break bar conical surfaces, 3- break bar cutting edges, 4- break bar endoporus, 5- chip holding tanks.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in this utility model, below in conjunction with this reality
With the accompanying drawing in new embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of this utility model, rather than the embodiment of whole.Based on this utility model
In embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, should all belong to the scope of this utility model protection.
Fig. 1 is first embodiment break bar axonometric drawing；Fig. 2 is first embodiment break bar front view；Fig. 3 is Section A-A in Fig. 2
Schematic diagram.Such as Fig. 1-Fig. 3, the break bar in first embodiment include two break bar cards, 1, two break bar conical surfaces 2 and break bar endoporus
4；Wherein, two break bar cards 1 are located at the sidepiece of break bar, arranged in parallel；Two break bar conical surfaces 2 are separately positioned on two knives
The edge of wheel face 1；Two break bar conical surfaces 2 are crossed to form break bar cutting edge 3；To ensure to cut rail during break bar cutting generation processing article
Mark does not occur to deviate, and two break bar conical surfaces 2 are symmetrical arranged；Break bar endoporus 4 is arranged on the central area of break bar, connects two break bars
Card 1.In addition, break bar card 1 also sets up chip holding tank 5.In the present embodiment, chip holding tank 5 is with break bar endoporus 4
Cannelure of the axis for axis.
When actually used, cutter shaft passes through break bar endoporus 4 and break bar is fixed on knife rest.Shake left and right to limit break bar
It is dynamic, the distance between break bar card 1 and knife rest very little.Break bar cutting edge 3 and the break bar conical surface 2 rotate cutting article formation to be cut and cut
While slot, the chip of article to be cut splashes along certain direction.The seam that chip is entered between break bar card 1 and knife rest
After gap, to 4 direction side shifting of break bar endoporus under the squeezing action of knife rest and break bar card 1.Due to the size of chip holding tank 5
More than the size of chip, it is directly entered in chip holding tank 5, and in knife when chip is moved to chip 5 position of holding tank
The centrifugal action lower edge chip holding tank 5 of rotation movable property life is rotated.
By arranging chip holding tank 5, the chip entered between break bar card 1 and knife rest gap is not to accumulate always
In gap, and it is in chip holding tank 5, stitch between break bar card 1 and knife rest so chip can be reduced and is poured in
Gap and the break bar problem that has some setbacks of rotation that causes, improve the quality that cutting seam is formed on article to be cut, also just improve
The yields of article to be cut.In addition, after arranging chip holding tank 5, the possibility contact area between break bar card 1 and knife rest subtracts
It is little, also reduce the frictional force between break bar card 1 and knife rest.
Such as Fig. 3, the cross section of the chip holding tank 5 of the present embodiment is rectangle.During processing break bar, chip holding tank 5
Can be obtained by laser cutting method.Preferably, 5 notch end of chip holding tank is set to chamfering.It is contemplated that notch is near break bar
The chamfering of 2 side of the conical surface can play a part of to be oriented to chip into chip holding tank 5, and it is squeezed to reduce 5 edge of chip holding tank
The probability of chipping is produced during pressure, the stress performance of break bar is improved.Certainly, in other embodiments, also only can hold in chip
5 notch of groove of receiving arranges chamfering near 2 side of the break bar conical surface.
In this enforcement, between 0.05mm-0.20mm, the width of chip holding tank 5 exists depth b of chip holding tank 5
Between 0.10-0.50mm, to ensure effectively to store chip；Preferably, the width of chip holding tank 5 and 1 width of break bar card
The ratio at (the distance between 1 edge of break bar card to 4 edge of break bar endoporus) between 0.30-0.35, with fully accommodate it is broken
On the premise of bits, it is ensured that the structural strength of break bar card 1.
Fig. 4 is Section A-A dimensional standard figure in Fig. 2.Such as Fig. 4, in the present embodiment, the angle theta of two break bar conical surfaces 2 (
It is exactly blade angle) between 100 ° -160 °, the thickness T (namely the distance between two break bar cards 1) of break bar is
0.65mm-1.00mm, the outer diameter D 1 (namely 3 place diameter of a circle of break bar cutting edge) of break bar is 2.00mm-3.00mm, in break bar
4 diameter D2 of hole is 0.80-1.10mm.In addition, to ensure while the impact resistance at 2 edge of the break bar conical surface, it is ensured that in break bar
The antiwear property and impact resistance in hole 4,1 edge of chip holding tank 5 and break bar card, chip holding tank 5 and break bar endoporus 4
Between should ensure that distance rationally, therefore the present embodiment is arranged on chip holding tank 5 away from 2 edge 0.10-0.30mm of the break bar conical surface
Place.Such as Fig. 2-Fig. 4, in the present embodiment, the position that break bar endoporus 4 is intersected with break bar card 1 is preferably also provided with chamfering, in order to knife
The cooperation of axle and break bar is installed, is prevented the edge of break bar endoporus 4 and chipping occurs.
In the present embodiment, it is arranged on ring of the chip holding tank 5 in break bar card 1 with 4 axis of break bar endoporus as axis
Shape groove.Because cannelure is along the circumferential direction turned on, so in break bar rotation process, chip can be followed in chip holding tank 5 always
Ring is rotated, it is ensured that the lateral surface of chip laminating chip holding tank 5.Certainly, in other embodiments, chip holding tank 5 is alternatively
The arcuate groove being arranged in break bar card 1；Preferably, arcuate groove axis also with break bar endoporus 4 is as axle center；Additionally, to reduce
Break bar is rocked, and should arrange multiple arcs groove, and multiple arcs groove should make break bar center of gravity be located at 4 axle of break bar endoporus in break bar card 1
The midpoint of line.
Fig. 5 is second embodiment break bar schematic cross-section, and Fig. 6 is 3rd embodiment break bar schematic cross-section, and Fig. 7 is the 4th
Embodiment break bar schematic cross-section.Such as Fig. 5-Fig. 7, in second embodiment, 3rd embodiment and fourth embodiment, break bar is substantially
Structure is identical with cutting wheel structure in first embodiment, simply the chip in second embodiment, 3rd embodiment and fourth embodiment
The cross section of holding tank 5 is different from first embodiment.Specifically, in second embodiment, the cross section of chip holding tank 5 is kidney-shaped,
And the zone line of kidney-shaped is located at the notch of chip holding tank 5；The cross section of chip holding tank 5 is ladder in the third embodiment
Shape, trapezoidal base are located at the notch of chip holding tank 5；The cross section of chip holding tank 5 is loudspeaker in the fourth embodiment
The shape of the mouth as one speaks, and the wide mouth end of broadening formation is at the notch of chip holding tank 5.
Fig. 8 is the 5th embodiment break bar schematic cross-section, in the 5th embodiment cutting wheel structure substantially with first embodiment in
Break bar shape is identical, and simply the shape of chip holding tank 5 is different from first embodiment.Such as Fig. 8, in the groove of chip holding tank 5
Mouthful place, the distance of the lateral surface of chip holding tank 5 to 4 axis of break bar endoporus is x；At the bottom land of chip holding tank 5, chip
The lateral surface of holding tank 5 to 4 axis of break bar endoporus distance be y, wherein x<y.From x<Y is it is contemplated that chip in the present embodiment
The lateral surface of holding tank 5 is at least partly inclined to 2 direction of the break bar conical surface.According to centrifugal principle, chip is into chip holding tank 5
After interior, the lateral surface and 2 direction side shifting of the oriented break bar conical surface of chip holding tank 5 of fitting under centrifugal action are rotated in break bar
Trend.Because aforementioned y is more than x, under the action of the centrifugal force, the chip into chip holding tank 5 will be moved simultaneously to bottom land region
It is gathered in bottom land.
In the present embodiment, from the notch of chip holding tank 5 to bottom land, the lateral surface of chip holding tank 5 is in break bar endoporus 4
The distance of axis gradually increases.As shown in figure 8, observing from the cross-section of break bar, the lateral surface of chip holding tank 5 is smoothed
Cross surface；Certainly, in other embodiments, the lateral surface of chip holding tank 5 is alternatively L-type face or other bending sides, also can be real
The existing aforementioned function that chip is assembled to bottom land.Additionally, in other embodiments, can also make non-inside chip holding tank 5
Groove bottom part lateral surface is more than distance of the lateral surface to 4 axis of break bar endoporus at notch to the distance of 4 axis of break bar endoporus.
In addition, in actual applications, it is also possible to arrange identification code after the break bar for machining, identification code adopts cut
Method makes.In the present embodiment, identification code is arranged in chip holding tank 5, and is not arranged in 1 surface of break bar card.It is contemplated that
Because identification code is not located in break bar card 1, break bar card regional is relatively smooth, further can reduce
Frictional force between break bar card and knife rest.
Above the break bar in this utility model embodiment is described in detail.This part is using specific embodiment to this
The principle and embodiment of utility model is set forth, and the explanation of above example is only intended to help and understands this utility model
Core concept, in the case of without departing from this utility model principle, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of work, belongs to the scope of this utility model protection.
Claims (10)
1. a kind of break bar, it is characterised in that：Including two break bar cards (1), two break bar conical surfaces (2) and break bar endoporus (4)；Two
The individual break bar conical surface (2) is separately positioned on the edge of two break bar cards (1)；Two break bar conical surfaces (2) are intersected
Form break bar cutting edge (3)；The break bar endoporus (4) is positioned at the center of the break bar card (1) and runs through the break bar；Also include
The chip holding tank (5) being arranged on the break bar card (1)；The medial surface of the chip holding tank (5) and lateral surface are located
The axis of circular arc is overlapped with the axis of the break bar endoporus (4).
2. break bar according to claim 1, it is characterised in that：The chip holding tank (5) is with the break bar endoporus (4)
Axis for axis cannelure.
3. break bar according to claim 1 and 2, it is characterised in that：The cross section of the chip holding tank (5) be rectangle,
One kind in trapezoidal, circular arc, kidney-shaped and toroidal.
4. break bar according to claim 1 and 2, it is characterised in that：Chip holding tank (5) the notch end arranges chamfering.
5. break bar according to claim 1 and 2, it is characterised in that：It is at the notch of the chip holding tank (5), described
The lateral surface of chip holding tank (5) to break bar endoporus (4) axis distance be x；In the groove of the chip holding tank (5)
In mouthful, the distance of the lateral surface of the chip holding tank (5) to break bar endoporus (4) axis is y；At least part of region
The y is more than the x.
6. break bar according to claim 5, it is characterised in that：Notch from the chip holding tank (5) is to the chip
The bottom land of holding tank (5), the lateral surface of the chip holding tank (5) gradually increase to the distance of break bar endoporus (4) axis
Greatly.
7. break bar according to claim 1 and 2, it is characterised in that：The width of rebate of the chip holding tank (5) and described
The ratio of break bar card (1) width is 0.30-0.35.
8. break bar according to claim 1 and 2, it is characterised in that：The notch of the chip holding tank (5) is to the break bar
The distance of the conical surface (2) is 0.10-0.30mm.
9. break bar according to claim 1 and 2, it is characterised in that：The depth of the chip holding tank (5) is 0.05-
0.20mm；The width of the chip holding tank (5) is 0.10-0.50mm.
10. break bar according to claim 1 and 2, it is characterised in that：The angle of the break bar cutting edge (3) be 100 °-
160°；The distance of two break bar cards (1) is 0.65-1.00mm；The external diameter of the break bar is 2.00-3.00mm；It is described
A diameter of 0.80-1.10mm of break bar endoporus (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098015.7U CN206048309U (en) | 2016-09-30 | 2016-09-30 | A kind of break bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621098015.7U CN206048309U (en) | 2016-09-30 | 2016-09-30 | A kind of break bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206048309U true CN206048309U (en) | 2017-03-29 |
Family
ID=58367195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621098015.7U Withdrawn - After Issue CN206048309U (en) | 2016-09-30 | 2016-09-30 | A kind of break bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206048309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182131A (en) * | 2016-09-30 | 2016-12-07 | 北京沃尔德金刚石工具股份有限公司 | A kind of break bar |
| CN113711059A (en) * | 2019-04-24 | 2021-11-26 | 松下知识产权经营株式会社 | Current sensor |
-
2016
- 2016-09-30 CN CN201621098015.7U patent/CN206048309U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182131A (en) * | 2016-09-30 | 2016-12-07 | 北京沃尔德金刚石工具股份有限公司 | A kind of break bar |
| CN106182131B (en) * | 2016-09-30 | 2019-02-22 | 北京沃尔德金刚石工具股份有限公司 | A kind of break bar |
| CN113711059A (en) * | 2019-04-24 | 2021-11-26 | 松下知识产权经营株式会社 | Current sensor |
| CN113711059B (en) * | 2019-04-24 | 2024-02-06 | 松下知识产权经营株式会社 | Current sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20190222 |