CN209537307U - A kind of break bar - Google Patents
A kind of break bar Download PDFInfo
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- CN209537307U CN209537307U CN201920147513.3U CN201920147513U CN209537307U CN 209537307 U CN209537307 U CN 209537307U CN 201920147513 U CN201920147513 U CN 201920147513U CN 209537307 U CN209537307 U CN 209537307U
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- break bar
- cambered surface
- inner hole
- blade
- cambered
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Abstract
This application involves tooling cost field more particularly to a kind of break bars.The break bar includes inner hole, the first cambered surface, the second cambered surface, the break bar conical surface and blade, symmetrical multiple first cambered surfaces of the blade or the inner hole two sides and the second cambered surface；The angle of first cambered surface and the break bar conical surface is any value between 60 ゜ -150 ゜；The angle and first cambered surface of first cambered surface and second cambered surface are identical as the angle of the break bar conical surface.Whole disk is divided into several annulus to combine by the design of cambered surface, so that the disk of blade two sides is recessed inwardly, break bar disk is increased at a distance from knife rest, in break bar circumgyration incision material, dust and scrap are easy to fly out, the problem of being not easily accessible the gap between cutter shaft and break bar, break bar " stuck " and " sliding knife " will not be produced into.
Description
Technical field
This application involves tooling cost field more particularly to a kind of break bars.
Background technique
The tool of the fragile materials such as glass-cutting is commonly the break bar of plate-like, and commonly used break bar is by axis hole, two sides pair
The parts such as the disk of title, two conical surfaces of intersection and cutting edge form.The basic structure of break bar is disk center setting installation cutter shaft
Axis hole, the outer rim of two sides disk extends outwardly respectively for the two symmetrical conical surfaces, and two conical surfaces are crossed to form the circumference cutting edge of break bar.
Knife rest is connect by cutter shaft by axis hole with break bar.
During machined material is cut in break bar and knife rest cooperation in the prior art, break bar contact material surface, break bar
It is cut under the traction of tool apron along material surface, material surface generates a continuous cutting line along cut direction.
But break bar in the prior art due to disk be a smooth plane, between the break bar entirety made and knife rest away from
Close from relatively, in circumgyration incision machined material, generated minute dusts and scrap are easily accessible the seam between cutter shaft and break bar
There is break bar " stuck " and " sliding knife " so that operating has some setbacks when the rotation connection of cutter shaft and break bar being made to be in work in gap
Phenomenon.
Utility model content
This application provides a kind of break bars, to solve since distance closely causes break bar in circumgyration incision between knife rest and break bar
The minute dusts and scrap that generate when machined material are easily accessible the gap between cutter shaft and break bar, to make cutter shaft and break bar
Rotation connection the problem of operating has some setbacks, break bar " stuck " and " sliding knife " occurs when being in work.
To solve the above problems, the break bar includes inner hole, the first cambered surface, the second arc this application provides a kind of break bar
Face, the break bar conical surface and blade, symmetrical multiple first cambered surfaces of the blade or the inner hole two sides and the second arc
Face；
The angle theta of first cambered surface and the break bar conical surface1For any value between 60 ゜ -150 ゜；
The angle theta of first cambered surface and second cambered surface2With the angle theta of first cambered surface and the break bar conical surface1
It is identical.
Optionally, any value of the diameter of the break bar between 2-4mm.
Optionally, any value of the diameter of the inner hole between 0.8-1.2mm.
Optionally, the break bar with a thickness of any value between 0.65-1mm.
Optionally, the height of second cambered surface is sequentially reduced from the inner hole to the break bar conical surface.
Optionally, the number of first cambered surface is at least 2.
Optionally, the number of second cambered surface is at least 2.
The technical scheme provided by the application includes following advantageous effects:
It is described this application provides a kind of break bar, including inner hole, the first cambered surface, the second cambered surface, the break bar conical surface and blade
Symmetrical multiple first cambered surfaces of blade or the inner hole two sides and the second cambered surface；First cambered surface and the break bar
The angle of the conical surface is any value between 60 ゜ -150 ゜；The angle and described first of first cambered surface and second cambered surface
Cambered surface is identical as the angle of the break bar conical surface.Whole disk is divided into several annulus to combine by the design of cambered surface,
So that the disk of blade two sides is recessed inwardly, break bar disk is increased at a distance from knife rest, the powder in break bar circumgyration incision material
Dirt and scrap are easy to fly out, and are not easily accessible the gap between cutter shaft and break bar, will not produce into break bar " stuck " and " sliding knife "
The problem of.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of linear type break bar provided by the embodiments of the present application.
Fig. 2 is a kind of circular arc type break bar provided by the embodiments of the present application.
Fig. 3 is the main view of break bar provided by the embodiments of the present application.
Fig. 4 is the left view of break bar provided by the embodiments of the present application.
Fig. 5 is the right view of break bar provided by the embodiments of the present application.
Description of symbols:
1, inner hole；2, the first cambered surface；3, the second cambered surface；4, the break bar conical surface；5, blade.
Specific embodiment
The cutting of glass is not actual cutting, if really going to cut, glass will fragmentate.In fact, glass
Indentation is only done in cutting on the glass surface, and indentation is also cutting lines.Glass is a kind of noncrystal compound, atom unlike
Metal and timber form crystal lattice like that, so glass can be prevented to split along scheduled path, glass atom is with any side
Formula composition, therefore available any direction cuts lines, but for the cutting lines successfully needed of delaminating, good cutting line
The diameter of scribing wheel, the angle of scribing wheel, cutting speed and cutting pressure are routed to determine.Cutting oil can also be improved and be cut
Quality is cut, it can be reduced fragment, the quality of glass edge be improved, convenient for delaminating.
Good cutting lines is an almost invisible line, is had seldom in glass surface even without fragment, it is easy to
Delaminate and glass edge it is zigzag in the same size, it is very beautiful.For the cutting lines obtained, it is necessary to adjust 4
Parameter, wherein the speed of break bar to cutting lines influence it is very big, in the prior art due between knife rest and break bar distance closely lead
The minute dusts and scrap that cause break bar to generate in circumgyration incision machined material are easily accessible the gap between cutter shaft and break bar,
Operating has some setbacks when to make the rotation connection of cutter shaft and break bar be in work, and asking for break bar " stuck " and " sliding knife " occurs
Topic, finally affects the cutting speed of break bar, so that the cutting lines that the cutting of glass is not good, affects the stripping of glass
Piece.
To solve the above problems, it is illustrative, it is as shown in Figure 1 a kind of structural schematic diagram of break bar provided by the present application,
The break bar includes inner hole 1, the first cambered surface 2, the second cambered surface 3, the break bar conical surface 4 and blade 5.
The inner hole 1 of break bar is to be mounted on cutter shaft, and cutter shaft is then mounted on knife rest, knife rest be mounted on handle or
On glass cutting machine, break bar outer rim cutting edge is pressed in glass surface, drags handle or the mobile knife rest being mounted on machine, break bar
Rolling can be generated because of the resistance of glass surface, form an impression in glass surface, because of the brittleness of glass, which be will form
One of glass surface splits line, to realize the cutting to glass.
Optionally, the inner hole 1 of break bar is smooth cylindrical surface, can reduce by 1 wall of break bar inner hole and cutter shaft surface in this way
Frictional resistance, to realize smooth cutting.
Optionally, it is provided perpendicular to the groove of break bar side plane on 1 wall of inner hole of break bar, is being cut using this technology
Cutting edge can generate regular vibration when glass, to increase the depth of cutting, be also beneficial to collect and removal is adhered to cutter shaft table
The chips of glass in face, to reduce cutting fraction defective.
Optionally, be provided with annular groove on 1 wall of break bar inner hole, annular groove can be it is one or more of, on 1 wall of inner hole
Groove, which is arranged, can effectively remove or collect the chips of glass into break bar inner hole 1, to extend normal clipping time, reduce cutting
Fraction defective, 1 surface of break bar inner hole and the contact area on cutter shaft surface become smaller, it is possible to reduce 1 surface of break bar inner hole and cutter shaft surface
Between there may be vacuum adsorption forces, thus make cutting it is more smooth.
Optionally, any value of the diameter of inner hole 1 between 0.8-1.2mm.The diameter of inner hole 1 is arranged in this number
Value range is the size in order to preferably match cutter shaft, and cooperation cutter shaft is mounted on knife rest, passes through the resistance of blade 5 and glass surface
Power, break bar constantly advances to be cut in glass surface.Cutter shaft is difficult to be set in interior if the diameter of inner hole 1 is less than 0.8mm
In hole 1, the use of break bar is influenced；If similarly the diameter of inner hole 1 is excessive, cutter shaft is set in inner hole 1, between 1 wall of inner hole
Gap is excessive, will lead to break bar and shakes on cutter shaft, influences the effect of cutting.
The two sides disk of blade 5 in the related technology is smooth plane, is arranged in smooth disk in the application
Have the first cambered surface 2 and the second cambered surface 3 so that two sides disk to the planar recess where blade 5, formed it is annular recessed one by one
Slot increases the gap between break bar and knife rest, is conducive to the discharge of scrap, and the accumulation for avoiding scrap leads to break bar " stuck "
And the problem of " sliding knife ", influence the effect of break bar cutting.
First cambered surface 2 and the second cambered surface 3 are distributed in the two sides of inner hole 1, that is, are distributed in the two sides of blade 5, so that script light
Sliding disk shows groove shapes, increases the gap between break bar and knife rest, is conducive to the discharge of scrap, avoids scrap
Accumulation the problem of leading to break bar " stuck " and " sliding knife ", influence the effect of break bar cutting.
It illustratively, is as shown in Figure 1 linear type annular groove, i.e. the angle of the first cambered surface 2 and the second cambered surface 3 is 90 ゜,
The processing technology of linear type break bar is simple, interior at the same time, saves the time than Machining Arc type ring connected in star.
Illustratively, it is illustrated in figure 2 circular arc type annular groove, i.e. the first cambered surface 2 is set at an angle with the second cambered surface 3
It sets, for the range of the angle at 60 ° to any value between 90 ゜ or between 90 ゜ to 150 ゜, the break bar of this shape can
To increase the gap between break bar and knife rest to greatest extent, scrap is made to be not easy to accumulate.
Illustratively, as shown in figure 3, the angle theta of the first cambered surface 2 and the break bar conical surface 41Appointing between 60 ゜ -150 ゜
One numerical value, and the angle theta of the first cambered surface 2 and second cambered surface 32With the angle of first cambered surface 2 and the break bar conical surface 4
θ1It is identical.As 0 ° of < θ1=θ2At 60 ° of <, intersection is excessively sharp between the break bar conical surface 4 and cambered surface and cambered surface, is easy to appear and draws
Hurt knife rest etc.；As 150 ° of < θ1=θ2Technology difficulty is increased at 180 ° of <, so in conclusion θ1And θ2It is arranged in 60 ゜ -150
Meet design requirement between ゜, is able to use family and reaches a preferably experience.
Illustratively, as shown in figure 3, the angle between the break bar conical surface of two sides is θ3, 100 ° of < θ3160 ° of <, work as θ3
At 100 ° of <, blade is excessively sharp, and the pressure that blade is born when in use is big, is easy to appear and scratches knife rest etc.；Work as θ3>160°
When, the break bar conical surface and blade almost on a horizontal plane, are unfavorable for blade and play dissection, influence the use of break bar.
Optionally, any value of the diameter of the break bar between 2-4mm.
Optionally, the break bar with a thickness of any value between 0.65-1mm.
Optionally, the number of first cambered surface 2 is at least 2.First cambered surface 2 is distributed in two disks, two disks
The first cambered surface 2 being arranged on face is symmetrical, thus be quantitatively also it is identical, the first cambered surface 2 and blade 5 exist together one
A plane, or with the setting at an angle of plane locating for blade 5, so being at least provided with one in a disk
One cambered surface 2 is each provided with first cambered surface 2 in two disks, so the first cambered surface 2 there are two disk on a break bar
Number be at least 2.But in order to reach better cutting effect, the number of the first cambered surface 2 is not limited to two, according to reality
Border demand is arranged.
Optionally, the number of second cambered surface 3 is at least 2.It illustratively, is as shown in Figure 4, Figure 5 a left side for break bar
View and right view, the second cambered surface 3 are distributed in two disks, the second cambered surface 3 being arranged in two disks be it is symmetrical,
So quantitatively and identical, the second cambered surface 3 is in the plane vertical with 5 plane of blade, or vertical with 5 plane of blade
Plane setting at an angle have on a break bar so being at least provided with second cambered surface 3 in a disk
Two disks are each provided with second cambered surface 3 in two disks, so the number of the second cambered surface 3 is at least 2.But it is
Reach better cutting effect, the number of the second cambered surface 3 is not limited to two, is arranged according to actual needs.
Optionally, the height of the second cambered surface 3 is sequentially reduced from the inner hole 1 to the break bar conical surface 4.First cambered surface 2 with
Blade 5 exists together a plane, or with the setting at an angle of plane locating for blade 5, the second cambered surface 3 is in and blade 5
The vertical plane of plane, or the plane at an angle setting vertical with 5 plane of blade, the first cambered surface 2 and the second cambered surface 3
All be to extend to the break bar conical surface 4 from inner hole 1, by the height perpendicular to the first cambered surface 2 of the second cambered surface 3 be set as from inner hole 1 to
The break bar conical surface 4 is sequentially reduced, because break bar is set-located uses by inner hole 1 and knife rest, the disk and cutter shaft of close inner hole 1
It directly contacts, if will be close to the small of the height setting of the second cambered surface 3 in the disk of inner hole, will make between inner hole and knife rest
The problem of gap is small, is unfavorable for the discharge of scrap, is easy to happen break bar " stuck " and " sliding knife ", influences the effect of break bar cutting
Fruit reduces the service life of break bar, meanwhile, the height of cambered surface and the size in the gap of knife rest wall affect break bar and are cutting through
Beat in journey, gap is smaller, and break bar is less susceptible to beat, and cutting quality is better.So by the height of the second cambered surface 3 from described
Inner hole 1 to the break bar conical surface 4 is sequentially reduced.
The outer rim of two sides disk is extended outwardly respectively for the two symmetrical break bar conical surfaces 4, and the two break bar conical surfaces 4 are crossed to form break bar
Blade 5, optionally, blade 5 be linear type blade 5 or tooth socket type blade 5.
Optionally, the break bar conical surface 4 is the plane break bar conical surface 4 or the U-type groove break bar conical surface 4, such as the U-type groove break bar conical surface
4 facilitate blade 5 in cutting process, play the role of auxiliary to the discharge of scrap.
It is described this application provides a kind of break bar, including inner hole, the first cambered surface, the second cambered surface, the break bar conical surface and blade
Symmetrical multiple first cambered surfaces of blade or the inner hole two sides and the second cambered surface；First cambered surface and the break bar
The angle of the conical surface is any value between 60 ゜ -150 ゜；The angle and described first of first cambered surface and second cambered surface
Cambered surface is identical as the angle of the break bar conical surface.Whole disk is divided into several annulus to combine by the design of cambered surface,
So that the disk of blade two sides is recessed inwardly, break bar disk is increased at a distance from knife rest, the powder in break bar circumgyration incision material
Dirt and scrap are easy to fly out, and are not easily accessible the gap between cutter shaft and break bar, will not produce into break bar " stuck " and " sliding knife "
The problem of.
It should be noted that the relational terms of such as " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that including the article of a series of elements or equipment not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (7)
1. a kind of break bar, the break bar includes inner hole (1), the first cambered surface (2), the second cambered surface (3), the break bar conical surface (4) and knife
Sword (5), which is characterized in that
Symmetrical multiple first cambered surfaces (2) of the blade (5) or the inner hole (1) two sides and the second cambered surface (3)；
The angle theta of first cambered surface (2) and the break bar conical surface (4)1For any value between 60 ゜ -150 ゜；
The angle theta of first cambered surface (2) and second cambered surface (3)2With first cambered surface (2) and the break bar conical surface (4)
Angle theta1It is identical.
2. break bar according to claim 1, which is characterized in that any value of the diameter of the break bar between 2-4mm.
3. break bar according to claim 1, which is characterized in that the diameter of the inner hole (1) appointing between 0.8-1.2mm
One numerical value.
4. break bar according to claim 1, which is characterized in that the break bar with a thickness of any number between 0.65-1mm
Value.
5. break bar according to claim 1, which is characterized in that the height of second cambered surface (3) from the inner hole (1) extremely
The break bar conical surface (4) is sequentially reduced.
6. break bar according to claim 1, which is characterized in that the number of first cambered surface (2) is at least 2.
7. break bar according to claim 1, which is characterized in that the number of second cambered surface (3) is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147513.3U CN209537307U (en) | 2019-01-28 | 2019-01-28 | A kind of break bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147513.3U CN209537307U (en) | 2019-01-28 | 2019-01-28 | A kind of break bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209537307U true CN209537307U (en) | 2019-10-25 |
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ID=68271938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920147513.3U Active CN209537307U (en) | 2019-01-28 | 2019-01-28 | A kind of break bar |
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| Country | Link |
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| CN (1) | CN209537307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574488A (en) * | 2019-01-28 | 2019-04-05 | 嘉兴沃尔德金刚石工具有限公司 | A kind of break bar |
-
2019
- 2019-01-28 CN CN201920147513.3U patent/CN209537307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574488A (en) * | 2019-01-28 | 2019-04-05 | 嘉兴沃尔德金刚石工具有限公司 | A kind of break bar |
| CN109574488B (en) * | 2019-01-28 | 2024-03-01 | 嘉兴沃尔德金刚石工具有限公司 | Knife flywheel |
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