CN204430304U - A kind of digital cuttings - Google Patents
A kind of digital cuttings Download PDFInfo
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- CN204430304U CN204430304U CN201520029943.7U CN201520029943U CN204430304U CN 204430304 U CN204430304 U CN 204430304U CN 201520029943 U CN201520029943 U CN 201520029943U CN 204430304 U CN204430304 U CN 204430304U
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- Prior art keywords
- chip
- face
- breaking
- filings
- breaker
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Abstract
The utility model discloses a kind of digital cuttings, this blade shapes is quadrangle, comprises upper surface and lower surface, four sides, and connects the cutting circle cambered surface of two adjacent side; Cutting circle cambered surface is crossing with end face forms arc edge; End face is designed with chip-breaker near the position of cutting circle cambered surface, chip-breaker by before the point of a knife plane connected successively to cutting tip mounting center direction from arc edge, the first cutter, before the second cutter, chip-breaker bottom surface, filings-breaking surface and chip breaking end face form; End face near cutting circle cambered surface and the position being parallel to main cutting edge be designed with and cut traffic organising groove, cut traffic organising groove and comprise chip-breaker bottom surface, the first dust lead face, the second dust lead face successively, side direction dregs guiding groove is also provided with between chip breaking end face and chip-flowing control flume, side direction dregs guiding groove comprises filings-breaking surface, the first side direction dust lead face, auxiliary filings-breaking surface successively, the second side direction dust lead face; Considerably increase the treatment effect of convection current bits.
Description
Technical field
The utility model relates to a kind of machine tool, and more particularly, it relates to a kind of digital cuttings.
Background technology
There is in the turning insert structure of traditional common a forward foot in a step and a chip breaker, this class formation interrupt bits face relative with rake face, between be connected with a plane or an arc surface, point of a knife wind-force.Under the processing conditions of little cutting-in, little feeding, iron filings are positioned at the cutting edge excision of insert tip, and slide to the bottom of chip-breaker and plane noted earlier or arc surface place along rake face, for the material of rigidity, may be obstructed because of the extension naturally of iron filings at this and exceed the limit of the power that iron filings section can bear, and break to form C shape or short helical form iron filings; For the material of toughness, can obtain an initial bending at this, iron filings may stretch out to the direction deviating from processing work with integral form, and naturally curlingly drop.But in fine finishining or semifinishing, along with cutting depth strengthen gradually when, cutting force increase, processing temperature play rise, sharp-pointed point of a knife can not bear severe processing environment, probably cause tipping, cause heavy wear, blade life is significantly reduced, the most important thing is, traditional cutting generally can only do free extension, can not accomplish guiding control on iron filings flow direction and chip breaking, chip removal, cause cutting surface paper stock can not meet fine finishining or semi-finished demand.
At present, on market, disclosed application number is a kind of cutting tip of patent of invention of 200310120804.7, this blade comprises upper surface, lower surface and at least two sides, and connect the cutting circle cambered surface of two adjacent side and described cutting circle cambered surface is crossing with end face forms arc edge, described end face is designed with the elongated ligament comprising main cutting edge and the point of a knife plane comprising arc edge, the main improvement of foregoing invention is: the position near arc surface is provided with chip-breaker, chip-breaker is connected with two filings-breaking surfaces, be respectively the first filings-breaking surface and the second filings-breaking surface, by the design of two filings-breaking surfaces, chip breaking is carried out to iron filings, then by be arranged on end face near cutting circle cambered surface and be parallel to main cutting edge position design chip-flowing control flume, thus realize reasonably stream bits control.
But; its filings-breaking surface both sides do not arrange any operator guards; if what be cut face like this is not very mild; and making stream consider to be worth doing in chip-breaker generation skew, the both sides of cutting along filings-breaking surface flow to outflow, still can occur curling; form the stream bits of long screwed pipe shape or clockwork spring shape; instead of " C " shape bits, one is unfavorable for chip removal, and two affect stock-removing efficiency and blade life.
Utility model content
The face that is cut of working as existed for prior art is not cause stream bits to offset at chip-breaker very gently, filings-breaking surface can not play original chip breaking effect, thus affect stock-removing efficiency and blade life, the purpose of this utility model be to provide when flowing bits and going out from two flow measurements of filings-breaking surface, still can play a kind of digital cuttings of chip breaking effect.
For achieving the above object, the utility model provides following technical scheme: a kind of digital cuttings, and this blade sections shape is quadrangle, comprises upper surface, lower surface, four sides, and connects the cutting circle cambered surface of two adjacent side; Described cutting circle cambered surface is crossing with end face forms arc edge; Described side is crossing with upper surface forms main cutting edge; Described upper surface is designed with chip-breaker near the position of cutting circle cambered surface, described chip-breaker by before the point of a knife plane connected successively to described cutting tip mounting center direction from arc edge, the first cutter, before the second cutter, chip-breaker bottom surface, filings-breaking surface and chip breaking end face form; Described upper surface near cutting circle cambered surface and the position being parallel to main cutting edge be designed with and cut traffic organising groove, described cutting traffic organising groove comprises the first dust lead face, the second dust lead face successively, side direction dregs guiding groove is also provided with between described chip breaking end face and chip-flowing control flume, described side direction dregs guiding groove comprises the first side direction dust lead face, auxiliary filings-breaking surface successively, the second side direction dust lead face.
When due to cutting face be not cause very gently stream bits offset at chip-breaker, when causing stream bits to go out from two flow measurements of filings-breaking surface, stream bits can via the first side direction dust lead surface current to auxiliary filings-breaking surface, auxiliary filings-breaking surface makes stream consider bending to be worth doing, thus make it break, and chip breaking directly can fall into second thanks to face, because stream bits can not be too many in the situation that chip-breaker occurs to offset, so generally, stream bits still carry out chip breaking process via chip-breaker, such design, when avoiding the both sides outflow occurring flowing and consider to be worth doing from filings-breaking surface, cause the curling of stream bits, the stream bits producing long screwed pipe shape make blade chip removal stuck, thus affect the phenomenon of blade life.
The utility model can be set to further: described filings-breaking surface is one section of arc surface, and its radius value is 0.5 to 1 millimeter.In the prior art, filings-breaking surface is set to arc surface, due to the friction that stream is considered to be worth doing and filings-breaking surface produces when can reduce to cut, but what occur that stream bits flow out to the both sides of filings-breaking surface may increase greatly, this programme is owing to being provided with auxiliary filings-breaking surface, the setting of described arc surface, can not affect its chip removal effect, add its durability on the contrary.
The utility model can be set to further: described first dust lead face is one section of arc surface, and its radius value is 1 to 3 millimeters.First dust lead face is set to arc surface, compares and arrange with inclined-plane, its contact portion slope is larger, increases dust lead effect of the present utility model.
The utility model can be set to further: described filings-breaking surface and chip-breaker bottom surface angle are between 110 degree to 120 degree.Why such setting, makes flowing control ability of its convection current bits in working angles stronger, can effectively reduce simultaneously, the contact area of cutter bits, family service life of the present utility model.
The utility model can be set to further: before described first cutter with before the second cutter respectively relative point of a knife plane form the first anterior angle and the second anterior angle, described first anterior angle angle be 8 to 9 degree, described second anterior angle angle be 16 to 17 degree.The utility model edge of a knife is not sealed sharper, the second anterior angle ensure that the bulk strength of blade.
Preferably, described chip-breaker coated on bottom side is covered with CVD-1 coating.CVD-1 coating chemical constitution is TiN-Al2O3-TiCN, coating processes is PVD, by the comparatively low deposition temperature time of about 500 degree during this method, CVD-1 coating can reduce its main cutting force greatly, increase the service life of the utility model blade, and its thermal conductivity is higher, stream can not be made to consider hot-spot to be worth doing and increase its Curved variable, and stream bits can not stick in chip-breaker because of overheated.
Compared to prior art, the utility model creates following beneficial effect: the treatment effect considerably increasing convection current bits, can not produce the stream bits of a small amount of long spire tubulose because the face that is cut is uneven and affect chip efficiency and service life of the present utility model.
Accompanying drawing explanation
Fig. 1 be the utility model embodiment overlook direction structure figure;
Fig. 2 is F portion enlarged drawing in Fig. 1;
Fig. 3 is A-A direction sectional view in Fig. 2;
Fig. 4 is B-B direction sectional view in Fig. 2.
Description of reference numerals: 1, cutting circle cambered surface; 11, point of a knife plane; 12, before the first cutter; 13, before the second cutter; 2, chip-breaker; 21, chip-breaker bottom surface; 22, filings-breaking surface; 221, the first side direction dust lead face; 222, auxiliary filings-breaking surface; 223, the second side direction dust lead face; 23, chip breaking end face; 3, dregs guiding groove; 31, the first dust lead face; 32, the second dust lead face; 4, side.
Detailed description of the invention
Be described in further details with reference to accompanying drawing 1 to 4 pair of the utility model embodiment.
As depicted in figs. 1 and 2, a kind of digital cuttings, this blade shapes is quadrangle, comprises the lower surface of upper surface and possibility bottom on the other side, four sides 4, and connects the cutting circle cambered surface 1 of two adjacent side 4; Cutting circle cambered surface 1 is crossing with end face forms arc edge; Side 4 is crossing with end face forms main cutting edge; As shown in Figure 3, end face is designed with chip-breaker 2 near the position of cutting circle cambered surface 1, chip-breaker 2 by from arc edge before the 12, second cutter before point of a knife plane 11, first cutter that cutting tip mounting center direction connects successively 13, chip-breaker bottom surface 21, filings-breaking surface 22 and chip breaking end face 23 form; End face near cutting circle cambered surface 1 and the position being parallel to main cutting edge be designed with and cut traffic organising groove, cut traffic organising groove and comprise dust lead face 32, dust lead face 31, second, chip-breaker bottom surface 21, first successively, side direction dregs guiding groove 3 is also provided with between chip breaking end face 23 and chip-flowing control flume, as shown in Figure 4, side direction dregs guiding groove 3 comprises filings-breaking surface 22, first side direction dust lead face 221, auxiliary filings-breaking surface 222, second side direction dust lead face 223 successively.
When due to cutting face be not cause very gently stream bits offset at chip-breaker, when causing stream bits to go out from two flow measurements of filings-breaking surface 22, stream bits can flow to auxiliary filings-breaking surface 222 via the first side direction dust lead face 221, auxiliary filings-breaking surface 222 makes stream consider bending to be worth doing, thus make it break, and chip breaking directly can fall into second thanks to face, because stream bits can not be too many in the situation that chip-breaker 2 occurs to offset, so generally, stream bits still carry out chip breaking process via chip-breaker 2, such design, when avoiding the both sides outflow occurring flowing and consider to be worth doing from filings-breaking surface 22, cause the curling of stream bits, the stream bits producing long screwed pipe shape make blade chip removal stuck, thus affect the phenomenon of blade life.
Filings-breaking surface 22 is one section of arc surface, and its radius value is 0.5 to 1 millimeter.In the prior art, filings-breaking surface 22 is set to arc surface, due to the friction that stream is considered to be worth doing and filings-breaking surface 22 produces when can reduce to cut, but what occur that stream bits flow out to the both sides of filings-breaking surface 22 may increase greatly, this programme is owing to being provided with auxiliary filings-breaking surface 222, the setting of arc surface, can not affect its chip removal effect, add its durability on the contrary.
First dust lead face 31 is one section of arc surface, and its radius value is 1 to 3 millimeters.First dust lead face 31 is set to arc surface, compares and arrange with inclined-plane, its contact portion slope is larger, increases dust lead effect of the present utility model.
Filings-breaking surface 22 and chip-breaker bottom surface 21 angle are between 110 degree to 120 degree.Why such setting, makes flowing control ability of its convection current bits in working angles stronger, can effectively reduce simultaneously, the contact area of cutter bits, family service life of the present utility model.East China University of Science's Master's thesis disclosed in 14 days December in 2011 " coating and grooved are to Investigation of Cut-ting Performance for Cemented Carbide Tool influence research ", the inside describes when anti-filings-breaking surface 22 angle and chip-breaker bottom surface 21 angle are between 20 to 30 degree, above-mentioned effect can be realized, thus increase service life of the present utility model.
Before first cutter 12 with before the second cutter 13 respectively relative point of a knife plane 11 form the first anterior angle and the second anterior angle, the first anterior angle angle be 8 to 9 degree, the second anterior angle angle be 16 to 17 degree.The utility model edge of a knife is not sealed sharper, the second anterior angle ensure that the bulk strength of blade.
Chip-breaker bottom surface 21 is coated with CVD-1 coating.CVD-1 coating chemical constitution is TiN-Al2O3-TiCN, coating processes is PVD, by the comparatively low deposition temperature time of about 500 degree during this method, CVD-1 coating can reduce its main cutting force greatly, increase the service life of the utility model blade, and its thermal conductivity is higher, stream can not be made to consider hot-spot to be worth doing and increase its Curved variable, and stream bits can not stick in chip-breaker because of overheated.The result of study be recorded in equally in East China University of Science's Master's thesis disclosed in 14 days December in 2011 " coating and grooved are to Investigation of Cut-ting Performance for Cemented Carbide Tool influence research " shows, CVD-1 coating can reduce main cutting force greatly compared to other coatings, further increases service life of the present utility model.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a digital cuttings, this blade sections shape is quadrangle, comprises upper surface, lower surface, four sides, and connects the cutting circle cambered surface of two adjacent side; Described cutting circle cambered surface is crossing with end face forms arc edge; Described side is crossing with upper surface forms main cutting edge; Described upper surface is designed with chip-breaker near the position of cutting circle cambered surface, described chip-breaker by before the point of a knife plane connected successively to described cutting tip mounting center direction from arc edge, the first cutter, before the second cutter, chip-breaker bottom surface, filings-breaking surface and chip breaking end face form; Described upper surface near cutting circle cambered surface and the position being parallel to main cutting edge be designed with and cut traffic organising groove, described cutting traffic organising groove comprises the first dust lead face, the second dust lead face successively, it is characterized in that: between described chip breaking end face and chip-flowing control flume, be also provided with side direction dregs guiding groove, described side direction dregs guiding groove comprises the first side direction dust lead face, auxiliary filings-breaking surface successively, the second side direction dust lead face.
2. a kind of digital cuttings according to claim 1, is characterized in that: described filings-breaking surface is one section of arc surface, and its radius value is 0.5 to 1 millimeter.
3. a kind of digital cuttings according to claim 2, is characterized in that: described first dust lead face is one section of arc surface, and its radius value is 1 to 3 millimeters.
4. a kind of digital cuttings according to claim 3, is characterized in that: described filings-breaking surface and chip-breaker bottom surface angle are between 110 degree to 120 degree.
5. a kind of digital cuttings according to claim 4, it is characterized in that: before described first cutter with before the second cutter respectively relative point of a knife plane form the first anterior angle and the second anterior angle, described first anterior angle angle is 8 to 9 degree, and described second anterior angle angle is 16 to 17 degree.
6. a kind of digital cuttings according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described chip-breaker coated on bottom side is covered with CVD-1 coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029943.7U CN204430304U (en) | 2015-01-16 | 2015-01-16 | A kind of digital cuttings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520029943.7U CN204430304U (en) | 2015-01-16 | 2015-01-16 | A kind of digital cuttings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204430304U true CN204430304U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520029943.7U Expired - Fee Related CN204430304U (en) | 2015-01-16 | 2015-01-16 | A kind of digital cuttings |
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| Country | Link |
|---|---|
| CN (1) | CN204430304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965045A (en) * | 2016-06-29 | 2016-09-28 | 北京沃尔德金刚石工具股份有限公司 | Chip breaking groove cutter and processing method |
| CN109562459A (en) * | 2016-08-03 | 2019-04-02 | 京瓷株式会社 | The manufacturing method of cutting tip, cutting element and machined object |
-
2015
- 2015-01-16 CN CN201520029943.7U patent/CN204430304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965045A (en) * | 2016-06-29 | 2016-09-28 | 北京沃尔德金刚石工具股份有限公司 | Chip breaking groove cutter and processing method |
| CN109562459A (en) * | 2016-08-03 | 2019-04-02 | 京瓷株式会社 | The manufacturing method of cutting tip, cutting element and machined object |
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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: 20150701 Termination date: 20170116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |