CN205869610U - Impact resisting type metal cold saw - Google Patents
Impact resisting type metal cold saw Download PDFInfo
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- CN205869610U CN205869610U CN201620622726.3U CN201620622726U CN205869610U CN 205869610 U CN205869610 U CN 205869610U CN 201620622726 U CN201620622726 U CN 201620622726U CN 205869610 U CN205869610 U CN 205869610U
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Abstract
Impact resisting type metal cold saw, including saw bit base member and the sawtooth tool bit that has the mounting hole, the outer fringe circumference of saw bit base member is equipped with the sawtooth, be equipped with chip pocket at the bottom of the tooth between the adjacent sawtooth, the sawtooth tool bit includes the rake face, back knife face, first face of weld, second face of weld and tool bit side, the sawtooth tool bit is through first face of weld, the second face of weld install the sawtooth meet the toothholder of direction to the cutting on, rake face from the top down divide into the cutting face in proper order, chip removal face, chip breaking face and direction holding surface, meeting of knife face is coincided to cutting direction is marginal behind cutting face and the sawtooth tool bit, chip breaking face upper end is passed through the arc surface with the setting at the chip removal face of locating with the cutting blade and is linked to each other, chip breaking face below links to each other with the direction holding surface, the direction holding surface is parallel with first face of weld. The beneficial effects of the utility model are that: welding strength improves, and the reinforcing of back of tooth intensity has promoted the deformability that shocks resistance, in the aspect of the chip removal, change and curl and easily chip breaking, the cutting is generated heat lowly, the cutting noise has obtained the effective control.
Description
Technical field
This utility model relates to a kind of shock resistance type metal cold saw.
Background technology
Cold machining saw blade is commonly called as cold saw, the most gradually starts approved by most of round steel Duan Liao producer and import
Use.Because of cutter head, to collapse the ratio that point causes the life-span the shortest the least in cutting process for existing cold saw.
Common metal cold saw, when cutting pinion steel and ultra high strength alloy steel, cuts to hard spot and causes cutter head by huge
Large impact, slight person causes teeth portion deformation to cause tooth and broken tooth, even causes continuous broken teeth, serious threat equipment, work
The safety of industry personnel.In cutting process, cutter head by extrded material realize cutting, during produce substantial amounts of heat in metal cutting.Saw blade
Under the bulk material effect by the complicated power such as centrifugal force, thermal stress and cutting stress, occur longitudinally, laterally to deform, make saw body
External margin produces into Folium Nelumbinis shape distortion, and occurs that such as teeter amount is big, machined surface low precision, and it is bad that work noise is big etc.
Phenomenon.
Summary of the invention
This utility model deforms for the existing metal cold saw cutting process back of tooth and weld strength is bad causes falling cutter head
Etc. problem, propose one and prevent the deformation of the cutting process back of tooth and weld strength is bad causes falling cutter head, meanwhile at cutter head
Cutting angle and chip removal vpg connection promote the anti-shock resistance type metal cold saw collapsing tooth performance of cutter head.
Shock resistance type metal cold saw described in the utility model, including with the saw bit matrix of installing hole and saw-tooth tool bit,
The outer rim of described saw bit matrix is circumferentially with sawtooth, is provided with chip pocket at the bottom of tooth, described saw-tooth tool bit bag between adjacent saw-tooth
Include rake face, rear knife face, the first solder side, the second solder side and cutter head side, described saw-tooth tool bit by the first solder side,
Second solder side be arranged on described sawtooth meet to cutting direction toothholder on, it is characterised in that: described rake face from
Top to bottm it is divided into knife face after cutting face, clearance surface, filings-breaking surface and guide support face, described cutting face and saw-tooth tool bit
Meet to cutting direction coincident, i.e. the cutting face of the junction of rake face and rear knife face is as the cutting edge of saw-tooth tool bit
Mouthful, and filings-breaking surface upper end is connected by arc surface with the clearance surface being arranged on at cutting edge, with guiding below filings-breaking surface
Supporting surface is connected, and described guide support face is parallel with the first solder side.
The base of the first described solder side is connected with one of them edge of the second described solder side by fillet, and
And the angle between the first described solder side and the second solder side is acute angle.
Described clearance surface is plane, is connected with cutting face and filings-breaking surface.
The chip-breaker of knife face length after accounting for more than 1/2, and the front end of chip-breaker are set on the rear knife face of described saw-tooth tool bit
Extend at the cutting edge of described saw-tooth tool bit, and arrange on the rear knife face of two adjacent described saw-tooth tool bits disconnected
Bits groove left and right is alternately arranged；The plane at adjacent chip-breaker place be parallel to each other and all with the central axis of saw bit matrix；
Chip-breaker copline on the sawtooth adjacent with same sawtooth.
After described saw-tooth tool bit, knife face and intersection, upper end, cutter head side cut out anti-tipping blade corner angle.
Cutter head side is inclined relative to saw bit matrix plane plane, cutter head side and the angle opening direction of saw bit matrix
Outside along saw bit matrix center toward saw-tooth tool bit direction.
Angle between described first solder side and the second solder side is 70 °；The radial rake of described clearance surface 9 °；Chip removal
Face is 135 °～140 ° with the angle of filings-breaking surface；Guide support face is parallel with the first solder side；Chip-breaker width 0.35～
0.45mm, groove center away from 0.50～0.70mm, groove depth 0.16～0.28mm；Anti-tipping blade corner angle are 45 ° of oblique angles, symmetrical,
Width is between 0.10～0.15mm, and symmetrical amount is less than 0.025mm；Cutting edge width is 0.25～0.35mm, angle
26 °～30 °.
Described saw-tooth tool bit uses ceramet bit, hardness HRA91～92.5.
The beneficial effects of the utility model are: compared with traditional cold saw, weld strength be improved significantly, back of tooth intensity
Enhancing improve shock resistance deformability；Chip removal aspect, is more easy to curling and easily chip breaking；Cutting heating is low；Cutting noise obtains
Effective control, improves quality of cut face, improves production environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is teeth portion structure chart of the present utility model.
Fig. 3 is debris discharging chute structure figure of the present utility model.
Fig. 4 is cutter head structure figure of the present utility model.
Detailed description of the invention
Further illustrate this utility model below in conjunction with the accompanying drawings
Referring to the drawings:
Embodiment 1 shock resistance type described in the utility model metal cold saw, including saw bit matrix 1 He with installing hole 11
Saw-tooth tool bit 2, the outer rim of described saw bit matrix 1 is circumferentially with sawtooth 12, is provided with chip pocket 3 at the bottom of tooth between adjacent saw-tooth 12,
Described saw-tooth tool bit 2 includes rake face 21, rear knife face the 22, first solder side the 23, second solder side 24 and cutter head side 25, institute
The saw-tooth tool bit 2 stated meets the direction to cutting by what first solder side the 23, second solder side 24 was arranged on described sawtooth 12
Toothholder 121 on, described rake face 21 is divided into cutting face 211, clearance surface 212, filings-breaking surface 213 from top to bottom and leads
After supporting surface 214, described cutting face 211 and saw-tooth tool bit 2, knife face 22 meets to cutting direction coincident, i.e. rake face
21 and the cutting face of junction of rear knife face 22 as the cutting edge of saw-tooth tool bit, and filings-breaking surface 213 upper end be arranged on
Being connected by arc surface with the clearance surface at cutting edge, be connected with guide support face 214 below filings-breaking surface 213, described leads
Parallel with the first solder side 23 to supporting surface 214.
The base of the first described solder side 23 is connected by one of them edge of fillet with the second described solder side 24
Connect, and the angle between described the first solder side 23 and the second solder side 24 is acute angle.
Described clearance surface 212, in plane, is connected with cutting face 211 and filings-breaking surface 213.
The chip-breaker 221 of knife face length after accounting for more than 1/2, and chip-breaker are set on the rear knife face 22 of described saw-tooth tool bit 2
The front end of 213 extends at the cutting edge of described saw-tooth tool bit 2, and the rear cutter of two adjacent described saw-tooth tool bits 2
The chip-breaker about 221 arranged on face 22 is alternately arranged；The plane at adjacent chip-breaker 221 place be parallel to each other and all with saw
The central axis of sheet matrix 1；Chip-breaker 213 copline on the sawtooth adjacent with same sawtooth 12.
After described saw-tooth tool bit 2, knife face 22 and intersection, upper end, cutter head side 25 cut out anti-tipping blade corner angle 251.
Relative saw bit matrix 1 plane in cutter head side 25 is inclined plane, and the angle of cutter head side 25 and saw bit matrix 1 is opened
Mouth direction is outside along saw bit matrix 1 center toward saw-tooth tool bit 2 direction.
Angle between described first solder side 23 and the second solder side 24 is 70 °；The radial rake of described clearance surface 212
9°；Clearance surface 212 is 135 °～140 ° with the angle of filings-breaking surface 213；Guide support face 214 is parallel with the first solder side 23；Disconnected
Bits groove 221 width 0.35～0.45mm, groove center away from 0.50～0.70mm, groove depth 0.16～0.28mm；Anti-tipping blade corner angle 251
Being 45 ° of oblique angles, symmetrical, width is between 0.10～0.15mm, and symmetrical amount is less than 0.025mm；Cutting edge width
It is 0.25～0.35mm, angle 26 °～30 °.
Described saw-tooth tool bit 2 uses ceramet bit, hardness HRA91～92.5.
Content described in this specification embodiment is only enumerating of the way of realization to utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also wraps
Include those skilled in the art according to this utility model design it is conceivable that equivalent technologies means.
Claims (8)
1. shock resistance type metal cold saw, including with the saw bit matrix of installing hole and saw-tooth tool bit, outside described saw bit matrix
Edge is circumferentially with sawtooth, is provided with chip pocket at the bottom of tooth between adjacent saw-tooth, described saw-tooth tool bit include rake face, rear knife face,
One solder side, the second solder side and cutter head side, described saw-tooth tool bit is arranged on institute by the first solder side, the second solder side
The sawtooth stated meet to cutting direction toothholder on, it is characterised in that: described rake face from top to bottom be divided into cutting
After face, clearance surface, filings-breaking surface and guide support face, described cutting face and saw-tooth tool bit, knife face meets to cutting direction edge
Overlap, i.e. the cutting face of the junction of rake face and rear knife face is as the cutting edge of saw-tooth tool bit, and filings-breaking surface upper end with
Being arranged on and be connected by arc surface with the clearance surface at cutting edge, be connected with guide support face below filings-breaking surface, described leads
Parallel with the first solder side to supporting surface.
2. shock resistance type metal cold saw as claimed in claim 1, it is characterised in that: the base of the first described solder side is passed through
Fillet is connected with one of them edge of the second described solder side, and between the first described solder side and the second solder side
Angle be acute angle.
3. shock resistance type metal cold saw as claimed in claim 1, it is characterised in that: described clearance surface is plane, and cuts
Bevel and filings-breaking surface are connected.
4. shock resistance type metal cold saw as claimed in claim 1, it is characterised in that: arrange on the rear knife face of described saw-tooth tool bit
The chip-breaker of knife face length after accounting for more than 1/2, and the front end of chip-breaker extends at the cutting edge of described saw-tooth tool bit, and
And the chip-breaker left and right of setting is alternately arranged on the rear knife face of two adjacent described saw-tooth tool bits；Adjacent chip-breaker place
Plane be parallel to each other and all with the central axis of saw bit matrix；Chip-breaker sawtooth on adjacent with same sawtooth is put down altogether
Face.
5. shock resistance type metal cold saw as claimed in claim 4, it is characterised in that: knife face and cutter head after described saw-tooth tool bit
Intersection, upper end, side cuts out anti-tipping blade corner angle.
6. shock resistance type metal cold saw as claimed in claim 5, it is characterised in that: cutter head side relative to saw bit matrix plane in
Clinoplain shape, cutter head side and the angle opening direction of saw bit matrix are outside along saw bit matrix center toward saw-tooth tool bit direction.
7. shock resistance type metal cold saw as claimed in claim 1, it is characterised in that: described first solder side and the second solder side
Between angle be 70 °；The radial rake of described clearance surface 9 °；Clearance surface is 135 °～140 ° with the angle of filings-breaking surface；Guide
Supporting surface is parallel with the first solder side；Chip-breaker width 0.35～0.45mm, groove center away from 0.50～0.70mm, groove depth 0.16
～0.28mm；Anti-tipping blade corner angle are 45 ° of oblique angles, symmetrical, and width is between 0.10～0.15mm, and symmetrical amount is less than
0.025mm；Cutting edge width is 0.25～0.35mm, angle 26 °～30 °.
8. shock resistance type metal cold saw as claimed in claim 1, it is characterised in that: described saw-tooth tool bit uses ceramic metal
Cutter head, hardness HRA91～92.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620622726.3U CN205869610U (en) | 2016-06-21 | 2016-06-21 | Impact resisting type metal cold saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620622726.3U CN205869610U (en) | 2016-06-21 | 2016-06-21 | Impact resisting type metal cold saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205869610U true CN205869610U (en) | 2017-01-11 |
Family
ID=57691889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620622726.3U Active CN205869610U (en) | 2016-06-21 | 2016-06-21 | Impact resisting type metal cold saw |
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|---|---|
| CN (1) | CN205869610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161122A (en) * | 2018-02-02 | 2018-06-15 | 泉州市洛江区双阳金刚石工具有限公司 | A kind of cermet cold saw saw blade manufacturing process |
| CN108555392A (en) * | 2018-06-11 | 2018-09-21 | 杭州和源精密工具有限公司 | The preparation method of oversize cold saw |
| CN109794645A (en) * | 2019-03-14 | 2019-05-24 | 华侨大学 | A kind of rack saw item |
| CN112935400A (en) * | 2021-04-02 | 2021-06-11 | 潞城市潞发锯业有限公司 | Reusable hard alloy circular saw blade |
-
2016
- 2016-06-21 CN CN201620622726.3U patent/CN205869610U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161122A (en) * | 2018-02-02 | 2018-06-15 | 泉州市洛江区双阳金刚石工具有限公司 | A kind of cermet cold saw saw blade manufacturing process |
| CN108555392A (en) * | 2018-06-11 | 2018-09-21 | 杭州和源精密工具有限公司 | The preparation method of oversize cold saw |
| CN109794645A (en) * | 2019-03-14 | 2019-05-24 | 华侨大学 | A kind of rack saw item |
| CN112935400A (en) * | 2021-04-02 | 2021-06-11 | 潞城市潞发锯业有限公司 | Reusable hard alloy circular saw blade |
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