CN201721229U - Carving knife for processing mold - Google Patents
Carving knife for processing mold Download PDFInfo
- Publication number
- CN201721229U CN201721229U CN2010202431517U CN201020243151U CN201721229U CN 201721229 U CN201721229 U CN 201721229U CN 2010202431517 U CN2010202431517 U CN 2010202431517U CN 201020243151 U CN201020243151 U CN 201020243151U CN 201721229 U CN201721229 U CN 201721229U
- Authority
- CN
- China
- Prior art keywords
- circular arc
- sword
- cutting portion
- rake face
- burin
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a carving knife for processing a mold, which comprises a knife body. One end of the knife body is a rod-shaped shank and the other end is a tapered cutting part. The cutting part is provided with a junk slot formed by a plane and a column cambered surface. The plane serves as a rake face and the column cambered surface is vertically arranged on the rake face. The carving knife for processing the mold has the advantages of simple structure, convenient manufacturing, improved processing quality and lowered production cost.
Description
Technical field
The utility model relates to the metal cutting technology field, relates in particular to Burin for mold machining.
Background technology
In the metal cutting processing industry, the machining of mould, especially the processing of carbide cutter tool die, commonly used to graver, this type of processing requires all very high to precision and surface quality, usually in order to guarantee the surface quality of mould, the centre is not allow tool changing, and therefore also there is strict requirement in the life-span to the engraving cutter.
Traditional graver, its chip area is generally straight trough, She Ji purpose is in order to help chip removal like this, but in the processing of high-precision mold, chipping allowance is very little, chip removal is not a subject matter, and such structure can cause the rigidity deficiency of cutter own, thereby causes the groove rake face depth of parallelism bad, and point of a knife is lower than the center, influence the tool arc precision, the precision of part to be processed also just can't guarantee.In the process of processing, because the removal amount of cell body is excessive, make cutter hub thiner, be easy to fracture, be difficult to control accuracy, have a strong impact on working (machining) efficiency and quality.
Notification number is that the Chinese patent literature of CN2538568Y discloses a kind of graver with twolip knife face, its body is one section arc surface that grinds to form taper, and on arc surface, grind the relative groove of cutting sth. askew in two places, make and have two relative circular arc swords on the arc surface, blade part and arc surface junction form the blade limit, and two blade limits form the twolip knife face.More traditional graver, the described graver of this patent improves a lot aspect intensity, and its wearability also increases, and has reduced cost.But its maximum problem is, the structure of itself is complicated, manufacture difficulty is bigger, production efficiency is relatively low, graver bulb center can not guarantee complete slyness, may there be small salient point or concave point, in the time need on workpiece, cutting out cell body, will influence the surface quality of part to be processed with slick and sly circular arc bottom.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, be convenient to the Burin for mold machining making, can improve crudy, reduce production costs.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of Burin for mold machining comprises cutter body, and described cutter body one end is a rod-like handle, the other end is the cutting portion of taper, described cutting portion is provided with the chip area that is surrounded by a plane and a cylinder cambered surface, and described plane is a rake face, and described cylinder cambered surface is perpendicular to rake face.
The intersection of described cylinder cambered surface and rake face is one section circular arc, and the angle of the string of a musical instrument of this section circular arc and the axis of cutter body is groove entrance angle α, 10 °≤α≤90 °.
Described rake face to the distance D of axis is ± 0.005mm.
The cutting portion of described rake face and taper intersects the formation cutting edge, described cutting edge is made up of one section circular arc sword and straight line sword, and described straight line sword extends to shank, and described circular arc sword is positioned at the tip of cutting portion, circular arc sword one end and straight line sword are tangent, and the other end is connected with the chamfering of cutting portion.
The described string of a musical instrument is the groove point of penetration near the end points at cutting portion tip, and described groove point of penetration is 1～3 times of radius R of circular arc sword to the distance L at cutting portion tip.
The two-end-point of described circular arc sword is divided into the both sides of axis, and the end points that the circular arc sword is connected with described chamfering is 0.02～0.1 times of circular arc sword radius R to the axis apart from S.
The radius R of described circular arc sword is 0.2mm～2.0mm.
Compared with prior art, advantage of the present utility model is:
The chip area that Burin for mold machining of the present utility model adopts a plane and a cylinder cambered surface to surround, the removal amount of cutting portion is reduced greatly, fully guaranteed the rigidity of graver itself, it can not ruptured in process easily, increase the service life, thereby when adopting graver processing parts of the present utility model, the operator can relievedly use, and helps improving crudy and working (machining) efficiency; Simultaneously, the plane that utilizes chip area is as rake face, and the cylinder cambered surface is set as perpendicular to rake face, makes the processing of chip area become very simple, only needing to carry out grinding with emery wheel at cutting portion during the processing chip area can be shaped, and can improve the speed of production of cutter greatly; When chip area was shaped, rake face had obtained the effective polishing processing, even also be difficult for sticking bits when the higher material of processing viscosity, can keep good chip removal performance.Circular arc sword in the cutting edge is positioned at the cutting portion tip, and the two-end-point of circular arc sword is divided into the both sides of axis, point of a knife is the part of circular arc sword like this, therefore can there be salient point or concave point, thereby can not cause still why not good influence, guarantee the machining accuracy of graver the surface of part to be processed.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present utility model;
Fig. 2 is a plan structure schematic diagram of the present utility model;
Fig. 3 is the structure for amplifying schematic diagram of point of a knife part;
Fig. 4 is the A-A cross section view of Fig. 1.
Each label is represented among the figure:
1, cutter body; 2, shank; 3, cutting portion; 4, cylinder cambered surface; 5, rake face; 6, the string of a musical instrument; 7, axis; 8, circular arc sword; 9, straight line sword; 10, groove point of penetration; 31, chip area; 32, chamfering.
The specific embodiment
Fig. 1 to Fig. 4 shows a kind of Burin for mold machining embodiment of the present utility model, this graver comprises cutter body 1, cutter body 1 one ends are rod-like handle 2, the other end is the cutting portion 3 of taper, cutting portion 3 is provided with the chip area 31 that is surrounded by a plane and a cylinder cambered surface 4, the chip area 31 of this kind structure reduces the removal amount of cutting portion 3 greatly, fully guaranteed the rigidity of graver itself, it can not ruptured in process easily, increase the service life, thereby when adopting graver processing parts of the present utility model, the operator can relievedly use, and helps improving part processing quality and working (machining) efficiency; The plane that utilizes chip area 31 is as rake face 5, simultaneously, cylinder cambered surface 4 makes the processing of chip area 31 become very simple perpendicular to rake face 5, only needing to carry out grinding with emery wheel at cutting portion 3 during processing chip area 31 can be shaped, and can improve the speed of production of cutter greatly; When chip area 31 was shaped, rake face 5 had obtained the effective polishing processing, has reduced coefficient of friction, makes chip removal more smooth and easy, even also be difficult for sticking bits when the higher material of processing viscosity, can keep good chip removal performance, avoided causing breaking because of stifled considering to be worth doing.
In the present embodiment, cylinder cambered surface 4 is one section circular arc with the intersection of rake face 5, and the string of a musical instrument 6 of this section circular arc is groove entrance angle α with the angle of the axis 7 of cutter body 1, and 10 °≤α≤90 °, rake face 5 to the distance D of axis 7 is ± 0.005mm.Rake face 5 intersects the formation cutting edge with the cutting portion 3 of taper, cutting edge is made up of one section circular arc sword 8 and straight line sword 9, straight line sword 9 extends to shank 2, circular arc sword 8 is positioned at the tip of cutting portion 3, circular arc sword 8 one ends and straight line sword 9 are tangent, the other end is connected with the chamfering 32 of cutting portion 3, the string of a musical instrument 6 is a groove point of penetration 10 near the end points at cutting portion 3 tips, groove point of penetration 10 is 1～3 times of radius R of circular arc sword 8 to the distance L at cutting portion 3 tips, chamfering 32 is 45 °, and effect is to remove unnecessary material, has enough hysteresises on the back knife face of assurance circular arc sword 8, can reduce of the friction of back knife face, guarantee machining accuracy the part to be processed surface.By 7 distance D and groove point of penetration 10 are provided with to these three parameters of distance L at cutting portion 3 tips to the axis to groove entrance angle α, rake face 5, can control the size of chip area 31, guarantee that graver satisfies strength demand, in the present embodiment, α is 17 °, and D is 0.002mm, and L is 1mm.The two-end-point of circular arc sword 8 is divided into the both sides of axis 7, top with circular arc sword 8 during cutting is the center rotary cutting, point of a knife is the part of circular arc sword 8 like this, therefore point of a knife can not exist salient point or concave point, thereby can not cause still why not good influence to the surface of part to be processed, guarantee the machining accuracy of graver, the end points that circular arc sword 8 is connected with chamfering 32 to the axis 7 be 0.02～0.1 times of circular arc sword 8 radius Rs apart from S, the radius R of circular arc sword 8 is 0.2mm～2.0mm, in the present embodiment, R is 0.5mm, and S is 0.025mm.
Above-mentioned is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, under the situation that does not break away from the technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all should drop in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to the utility model technical spirit.
Claims (7)
1. Burin for mold machining, comprise cutter body (1), described cutter body (1) one end is rod-like handle (2), the other end is the cutting portion (3) of taper, it is characterized in that: described cutting portion (3) is provided with the chip area (31) that is surrounded by a plane and a cylinder cambered surface (4), described plane is rake face (5), and described cylinder cambered surface (4) is perpendicular to rake face (5).
2. Burin for mold machining according to claim 1, it is characterized in that: described cylinder cambered surface (4) is one section circular arc with the intersection of rake face (5), the string of a musical instrument of this section circular arc (6) is groove entrance angle α with the angle of the axis (7) of cutter body (1), 10 °≤α≤90 °.
3. Burin for mold machining according to claim 2 is characterized in that: the distance D of (7) is ± 0.005mm to described rake face (5) to the axis.
4. according to claim 2 or 3 described Burin for mold machining, it is characterized in that: described rake face (5) intersects the formation cutting edge with the cutting portion (3) of taper, described cutting edge is made up of one section circular arc sword (8) and straight line sword (9), described straight line sword (9) extends to shank (2), described circular arc sword (8) is positioned at the tip of cutting portion (3), circular arc sword (8) one ends and straight line sword (9) are tangent, and the other end is connected with the chamfering (32) of cutting portion (3).
5. Burin for mold machining according to claim 4, it is characterized in that: the described string of a musical instrument (6) is groove point of penetration (10) near the most advanced and sophisticated end points of cutting portion (3), and described groove point of penetration (10) is 1～3 times of radius R of circular arc sword (8) to the distance L at cutting portion (3) tip.
6. Burin for mold machining according to claim 5, it is characterized in that: the two-end-point of described circular arc sword (8) is divided into the both sides of axis (7), the end points that circular arc sword (8) is connected with described chamfering (32) to the axis (7) be 0.02～0.1 times of circular arc sword (8) radius R apart from S.
7. Burin for mold machining according to claim 6 is characterized in that: the radius R of described circular arc sword (8) is 0.2mm～2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202431517U CN201721229U (en) | 2010-06-30 | 2010-06-30 | Carving knife for processing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202431517U CN201721229U (en) | 2010-06-30 | 2010-06-30 | Carving knife for processing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201721229U true CN201721229U (en) | 2011-01-26 |
Family
ID=43489524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202431517U Expired - Lifetime CN201721229U (en) | 2010-06-30 | 2010-06-30 | Carving knife for processing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201721229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885284A (en) * | 2010-06-30 | 2010-11-17 | 株洲钻石切削刀具股份有限公司 | Burin for mold machining |
-
2010
- 2010-06-30 CN CN2010202431517U patent/CN201721229U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885284A (en) * | 2010-06-30 | 2010-11-17 | 株洲钻石切削刀具股份有限公司 | Burin for mold machining |
| CN101885284B (en) * | 2010-06-30 | 2013-03-20 | 株洲钻石切削刀具股份有限公司 | Burin for mold machining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206981843U (en) | A kind of arc cutter | |
| CN101885284B (en) | Burin for mold machining | |
| CN201721229U (en) | Carving knife for processing mold | |
| CN103639543B (en) | A kind of Cutting blade for machining screw thread | |
| CN202438729U (en) | PCD (Poly Crystal Diamond) micro molding milling cutter | |
| CN209477333U (en) | A kind of embedded cemented carbide indexable insert | |
| CN104339003A (en) | Ball-nose end milling cutter | |
| CN201304502Y (en) | PCD or PCBN cutter blade with the front cutter face being provided with a chip breaking groove | |
| CN202655669U (en) | Polycrystalline diamond turning tool for processing wheel hubs | |
| CN204770746U (en) | Multipurpose motorcycle drive gear processing vehicle blade | |
| CN210148446U (en) | Stone material carving tool | |
| CN203679363U (en) | Forming knife for processing step holes | |
| CN203995368U (en) | A kind of twolip diamond cutter for engraved stone | |
| CN201446247U (en) | Finishing cutter of breaking inner hole plate for gas valve | |
| CN207239187U (en) | A kind of superhard cutter with chip-breaker | |
| CN201889551U (en) | Diamond reamer with Hohl Schaft Kegel (HSK) tool holder clamping mode | |
| CN206455221U (en) | Face milling cutters | |
| CN203679377U (en) | Profile cutter used for machining sides and chamfers | |
| CN204819607U (en) | Circular cigarette machine knife piece | |
| CN202895387U (en) | Micro-diameter double-edged taper ball cutter | |
| CN205309350U (en) | Take chip -breaker W type blade | |
| CN205309349U (en) | PCBN blade is used in processing of transmission shaft gear shaft | |
| CN203804248U (en) | Molding cutter used for processing conical surface | |
| CN102601438A (en) | Two-edge special end milling cutter for through groove | |
| CN103978821B (en) | A kind of twolip diamond cutter for engraved stone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20130320 |
|
| RGAV | Abandon patent right to avoid regrant |