CN203778883U - Fretsaw for cutting dissociating abradant wire cutting - Google Patents
Fretsaw for cutting dissociating abradant wire cutting Download PDFInfo
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- CN203778883U CN203778883U CN201420207695.6U CN201420207695U CN203778883U CN 203778883 U CN203778883 U CN 203778883U CN 201420207695 U CN201420207695 U CN 201420207695U CN 203778883 U CN203778883 U CN 203778883U
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- scroll saw
- groove
- cutting
- free abrasive
- radius
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Abstract
The utility model provides a fretsaw for cutting dissociating abradant wire cutting, belongs to the technical field of material cutting and solves the technical problems of the existing fretsaw used for the wire cutting of a dissociating abradant, including high processing difficult, low cutting efficiency and the like. According to the fretsaw for cutting the dissociating abradant wire cutting, a plurality of grooves are axially distributed along the fretsaw; the grooves are parallel to the central axis of fretsaw, and are uniformly distributed in the circumferential of the fretsaw. The fretsaw provided by the utility model is convenient to process, and has the advantage of improving the cutting efficiency.
Description
Technical field
The utility model belongs to material cutting technique field, relates to a kind of scroll saw, particularly a kind of scroll saw for the cutting of free abrasive line.
Background technology
In the cutting of free abrasive line, pass through scroll saw on tensioning apparatus, walk around back and forth again and be with reeded guide wheel, form a winding displacement net and keep certain tensile force, scroll saw moves with respect to workpiece to be processed with certain speed under the drive of guide wheel, at the machining area of scroll saw and workpiece to be processed, supply with the slurry of the free abrasive of guaranteeing replacement, thereby scroll saw high-speed motion is brought slurry in the joint-cutting of workpiece and is completed the cutting to workpiece.
In when cutting, rely on free abrasive grinding work piece in slurry to reach the object of cut workpiece, ganoid scroll saw cannot effectively make to produce enough frictions between free abrasive and workpiece, and cutting efficiency is low.In order to address the above problem, Chinese patent literature discloses a kind of novel scroll saw [CN201385157Y] and with the patents such as resin bonder wire saw [CN103008786A] of helicla flute heart yearn, thereby by spiral groove is set on scroll saw, free abrasive can be positioned on scroll saw, improve cutting efficiency in above-mentioned patent; Helical groove in above-mentioned patent is respectively by fixing flexible material and be wound around outside line and form on scroll saw, and in order to reduce the size of joint-cutting, the diameter of scroll saw can be very little, and said structure difficulty of processing is very large; The reaction that scroll saw is received when cutting is very large, in above-mentioned patent flexible material and be wound around outside line and scroll saw body between fixing unstable, cause helical groove when cutting to produce distortion, what cause that free abrasive cannot be stable is fixed in helical groove, cause joint-cutting irregular, cutting efficiency is low.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of scroll saw for free abrasive line cutting, and the technical problem that the utility model solves is to make that scroll saw processing is more convenient and scroll saw cutting efficiency is high.
The purpose of this utility model can realize by following technical proposal: a kind of scroll saw for the cutting of free abrasive line, it is characterized in that, on the outer peripheral face of described scroll saw, there is the groove of some saw axial distribution along the line, described groove is parallel with the axis of scroll saw, and described groove is circumferentially uniformly distributed along scroll saw.
The saw along the line of groove is disposed axially in to add only needs a wire-drawing die matching with scroll saw groove man-hour, and unprocessed scroll saw is just pulled out and can be formed and be with reeded scroll saw by wire-drawing die, easy to process, and it is higher to be processed into power, when cutting, scroll saw is by the slurry with free abrasive, because scroll saw moves along its length direction, groove is identical with the moving direction of scroll saw, therefore free abrasive can more easily embed in groove, and the free abrasive embedding is also more easily fixed in groove, when free abrasive embeds groove, the outer peripheral face projection of relative scroll saw guarantees that when cutting every free abrasive can grinding work piece, improved cutting efficiency, during the slurry of scroll saw by with free abrasive, free abrasive can be evenly distributed on the side face of scroll saw, while making cut workpiece, scroll saw is stressed evenly, the joint-cutting of workpiece is neatly smooth.
At the above-mentioned scroll saw for the cutting of free abrasive line, described scroll saw has body and along the circumferential equally distributed some lug bosses of body, forms above-mentioned groove between adjacent protrusion portion.Lug boss forms the cell wall of groove, and lug boss has certain tension force, the free abrasive that embeds groove firmly can be stuck in groove.
As the first situation, at the above-mentioned scroll saw for the cutting of free abrasive line, the cross section of described lug boss is circular arc, and the arc surface of adjacent protrusion portion intersects, the radius R of described free abrasive
0, described lug boss radius R
1, described scroll saw radius R meet following relation:
wherein the size of θ is that groove becomes half of central angle size with respect to scroll saw axis.The size of θ and the number of groove match, and the number of groove is N, so θ=180 °/N, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove just can determine the radius value of lug boss, by above-mentioned relation, can guarantee that free abrasive outer peripheral face projection of relative scroll saw when the groove embedding between lug boss contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive is positioned in groove of the lug boss of this structure energy simultaneously, prevent that free abrasive from departing from groove when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
As the second situation, at the above-mentioned scroll saw for the cutting of free abrasive line, the cross section of described lug boss is isosceles triangle, and intersect on the waist limit of adjacent protrusion portion, the radius R of described free abrasive
0, described scroll saw radius R meet following relation: Rcos θ-Rsin θ cot θ+R
0/ sin θ
0+ R
0-R > 0, wherein the size of θ is that groove becomes half of central angle size, θ with respect to scroll saw axis
0size be that the waist limit of adjacent protrusion portion intersect to form half of corner dimension.The size of θ and the number of groove match, and the number of groove is N, so θ=180 °/N, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove just can determine θ
0big or small value range, because intersect on the waist limit of adjacent protrusion portion, therefore also just can determine the value range of all parameters of lug boss, by above-mentioned relation, can guarantee that free abrasive outer peripheral face projection of relative scroll saw when the groove embedding between lug boss contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive is positioned in groove of the lug boss of this structure energy simultaneously, prevent that free abrasive from departing from groove when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
As the third situation, at the above-mentioned scroll saw for the cutting of free abrasive line, the groove bottom of described groove is arc surface, and the groove bottom of adjacent notches intersects, the radius R of described free abrasive
0, the radius R of described scroll saw is, the radius R of described groove
1meet following relation:
wherein the size of θ is that groove becomes half of central angle size with respect to scroll saw axis.The size of θ and the number of groove match, and the number of groove is N, so θ=180 °/N, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove just can determine the radius value of groove, the outer peripheral face projection that can guarantee free abrasive relative scroll saw when embedding groove by above-mentioned relation contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive is positioned in groove of the groove of this structure energy simultaneously, prevent that free abrasive from departing from groove when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
Compared with prior art, this scroll saw for the cutting of free abrasive line has the following advantages:
1, add and man-hour unprocessed scroll saw is just pulled out and can be formed and be with reeded scroll saw by wire-drawing die, easy to process, and it is higher to be processed into power.
2, the groove of this structure can more easily embed in it free abrasive, and the free abrasive embedding is also more easily fixed in groove, when free abrasive embeds groove, the outer peripheral face projection of relative scroll saw guarantees that when cutting every free abrasive can grinding work piece, has improved cutting efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of scroll saw in the present embodiment one.
Fig. 2 is the perspective view of scroll saw in the present embodiment one.
Fig. 3 is the structural representation of scroll saw in the present embodiment two.
Fig. 4 is the structural representation of scroll saw in the present embodiment three.
In figure, 1, body; 2, lug boss; 3, groove.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment mono-
A kind of scroll saw for the cutting of free abrasive line, as depicted in figs. 1 and 2, scroll saw has body 1 and along the circumferential equally distributed some lug bosses 2 of body 1, the groove 3 on the side face of scroll saw with some saw axial distribution along the line, groove 3 is parallel with the axis of scroll saw, and groove 3 is circumferentially uniformly distributed along scroll saw, forms groove 3 between adjacent protrusion portion 2, groove 3 can be positioned at free abrasive on scroll saw when cut workpiece, and the outer peripheral face of the relative scroll saw of free abrasive behind location projection.
As shown in Figure 1, the cross section of lug boss 2 is circular arc, and the arc surface of adjacent protrusion portion 2 intersects, the radius R of free abrasive
0, lug boss 2 radius R
1, scroll saw radius R meet following relation:
wherein the size of θ is that groove 3 becomes half of central angle size with respect to scroll saw axis.
the value of this relational expression is the height value of the outer peripheral face projection of the relative scroll saw of free abrasive, and the number of the size of θ and groove 3 matches, and the number of groove 3 is N, θ=180 °/N so, and in the present embodiment one, N is 15, θ is 12 °, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove 3 just can determine the radius value of lug boss 2, by above-mentioned relation, can guarantee that free abrasive outer peripheral face projection of relative scroll saw when the groove 3 embedding between lug boss 2 contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive being positioned in groove 3 of lug boss 2 energy of this structure simultaneously, prevent that free abrasive from departing from groove 3 when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
The saw along the line of groove 3 is disposed axially in to add only needs a wire-drawing die matching with scroll saw groove 3 man-hour, and unprocessed scroll saw is just pulled out and can be formed with fluted 3 scroll saw by wire-drawing die, easy to process, and it is higher to be processed into power; When cutting scroll saw by the slurry with free abrasive, because scroll saw moves along its length direction, groove 3 is identical with the moving direction of scroll saw, so free abrasive can more easily embed in groove 3, and the free abrasive of embedding is also more easily fixed in groove.
Embodiment bis-
The present embodiment is basic identical with structure and the principle of embodiment mono-, and different place is: as shown in Figure 3, the cross section of lug boss 2 is isosceles triangle, and intersect on the waist limit of adjacent protrusion portion 2, the radius R of free abrasive
0, described scroll saw radius R meet following relation: Rcos θ-Rsin θ cot θ+R
0/ sin θ
0+ R
0-R > 0, wherein the size of θ is that groove 3 becomes half of central angle size, θ with respect to scroll saw axis
0size be that the waist limit of adjacent protrusion portion 2 intersect to form half of corner dimension.Rcos θ-Rsin θ cot θ+R
0/ sin θ
0+ R
0the value of this relational expression of-R is the height value of the outer peripheral face projection of the relative scroll saw of free abrasive, and the number of the size of θ and groove 3 matches, and the number of groove 3 is N, θ=180 °/N so, and in the present embodiment two, N is 15, θ is 12 °, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove 3 just can determine θ
0big or small value range, because intersect on the waist limit of adjacent protrusion portion 2, therefore also just can determine the value range of all parameters of lug boss 2, by above-mentioned relation, can guarantee that free abrasive outer peripheral face projection of relative scroll saw when the groove 3 embedding between lug boss 2 contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive being positioned in groove 3 of lug boss 2 energy of this structure simultaneously, prevent that free abrasive from departing from groove 3 when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
Embodiment tri-
The present embodiment is basic identical with structure and the principle of embodiment mono-, and different place is: as shown in Figure 4, the groove bottom of groove 3 is arc surface, and the groove bottom of adjacent notches 3 intersects, the radius R of free abrasive
0, the radius R of scroll saw is, the radius R of groove 3
1meet following relation:
wherein the size of θ is that groove 3 becomes half of central angle size with respect to scroll saw axis.
the value of this relational expression is the height value of the outer peripheral face projection of the relative scroll saw of free abrasive, and the number of the size of θ and groove 3 matches, and the number of groove 3 is N, θ=180 °/N so, and in the present embodiment three, N is 26, θ is 6.92 °, the radius of free abrasive and the radius of scroll saw are known, therefore only need the number of determining groove 3 just can determine the radius value of groove 3, the outer peripheral face projection that can guarantee free abrasive relative scroll saw when embedding groove 3 by above-mentioned relation contacts with workpiece, make effectively cutting workpiece of free abrasive, stable free abrasive being positioned in groove 3 of groove 3 energy of this structure simultaneously, prevent that free abrasive from departing from groove 3 when cutting, improve cutting efficiency, make the neatly smooth of joint-cutting, reduce the size of joint-cutting, reduce the joint-cutting loss of workpiece material, improve the utilization rate of workpiece material.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. the scroll saw for free abrasive line cutting, it is characterized in that, the groove (3) on the outer peripheral face of described scroll saw with some saw axial distribution along the line, described groove (3) is parallel with the axis of scroll saw, described groove (3) being circumferentially uniformly distributed along scroll saw.
2. the scroll saw for free abrasive line cutting according to claim 1, it is characterized in that, described scroll saw has body (1) and along the circumferential equally distributed some lug bosses (2) of body (1), forms above-mentioned groove (3) between adjacent protrusion portion (2).
3. the scroll saw for the cutting of free abrasive line according to claim 2, is characterized in that, the cross section of described lug boss (2) is circular arc, and the arc surface of adjacent protrusion portion (2) intersects, the radius R of described free abrasive
0, described lug boss (2) radius R
1, described scroll saw radius R meet following relation:
Wherein the size of θ is that groove (3) becomes half of central angle size with respect to scroll saw axis.
4. the scroll saw for the cutting of free abrasive line according to claim 2, is characterized in that, the cross section of described lug boss (2) is isosceles triangle, and intersect on the waist limit of adjacent protrusion portion (2), the radius R of described free abrasive
0, described scroll saw radius R meet following relation:
Rcosθ-Rsinθ·cotθ+R
0/sinθ
0+R
0-R＞0，
Wherein the size of θ is that groove (3) becomes half of central angle size, θ with respect to scroll saw axis
0size be that the waist limit of adjacent protrusion portion (2) intersect to form half of corner dimension.
5. the scroll saw for the cutting of free abrasive line according to claim 1, is characterized in that, the groove bottom of described groove (3) is arc surface, and the groove bottom of adjacent notches (3) intersects, the radius R of described free abrasive
0, the radius R of described scroll saw, described groove (3) radius R
1meet following relation:
Wherein the size of θ is that groove (3) becomes half of central angle size with respect to scroll saw axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207695.6U CN203778883U (en) | 2014-04-25 | 2014-04-25 | Fretsaw for cutting dissociating abradant wire cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207695.6U CN203778883U (en) | 2014-04-25 | 2014-04-25 | Fretsaw for cutting dissociating abradant wire cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203778883U true CN203778883U (en) | 2014-08-20 |
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ID=51315111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207695.6U Expired - Fee Related CN203778883U (en) | 2014-04-25 | 2014-04-25 | Fretsaw for cutting dissociating abradant wire cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203778883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941658A (en) * | 2020-07-15 | 2022-01-18 | 倍腾国际股份有限公司 | Punch manufacturing method |
-
2014
- 2014-04-25 CN CN201420207695.6U patent/CN203778883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941658A (en) * | 2020-07-15 | 2022-01-18 | 倍腾国际股份有限公司 | Punch manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20160425 |