CN211101783U - Spiral waveform straight shank milling cutter - Google Patents
Spiral waveform straight shank milling cutter Download PDFInfo
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- CN211101783U CN211101783U CN201921710204.9U CN201921710204U CN211101783U CN 211101783 U CN211101783 U CN 211101783U CN 201921710204 U CN201921710204 U CN 201921710204U CN 211101783 U CN211101783 U CN 211101783U
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Abstract
The utility model discloses a spiral waveform straight shank milling cutter, which is applied to the milling cutter field, solves the technical problems that the cutter head is easy to slip and wear due to uneven stress of the cutter head, and has the technical scheme that the milling cutter comprises a cutter handle, a main cutting edge and a cutter core, wherein the cutter handle, the main cutting edge and the cutter core are integrally formed, the number of the main cutting edges is six, the uniform spiral is wound on the cutter core, and a chip groove is arranged between the adjacent main cutting edges; the main cutting edge is divided into a smooth edge and a waveform edge, the smooth edge is positioned at one end of the cutter core far away from the cutter handle, and the waveform edge is positioned between the smooth edge and the cutter handle; one end of the knife core, which is far away from the knife handle, is provided with an end blade connected with the plain blade, a chip groove is arranged between the phase end blades, one end of the chip groove is communicated with the chip groove, and the other end of the chip groove extends to the axis; the technical effect who has is the effect that has the location in advance, avoids wave form sword and workpiece surface direct contact, avoids damaging the wave form sword, has improved the chip removal ability simultaneously, and then has ensured the fast feed that the cutter can be stable.
Description
Technical Field
The utility model relates to a milling cutter field, in particular to straight shank milling cutter of spiral wave form.
Background
At present, the chinese utility model patent of publication No. CN202684175U discloses a carbide spiral wave form end mill is welded to high accuracy coating, including cutter body stalk portion, spiral tool bit, cutter body cutting part, cutter body spiral chip groove, weld copper, alloy sword tooth. The spiral cutter head adopts a four-edge cutting head, alloy cutter teeth are arranged on the blade part of the cutter body and are corrugated, the spiral angle of the blade part of the cutter body is 25-30 degrees, the cutting angle of the alloy cutter teeth is 10-20 degrees, the cutting front angle is 8-10 degrees, the alloy cutter teeth are welded on the blade part of the cutter body through copper welding, and the cylindricity of the working part of the alloy cutter teeth is 0.01 mm. The handle part and the blade part of the cutter body are both made of alloy structural steel, and the alloy cutter teeth are made of hard alloy.
When the milling cutter helical cutter head is used for drilling, the cutter head and a workpiece are easy to slip, and the helical cutter head is uneven in stress and easy to wear.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a straight shank milling cutter of spiral wave form, its advantage is through the setting of plain sword, wave form sword and chip groove, has the effect of location in advance, avoids wave form sword and workpiece surface direct contact, avoids damaging the wave form sword, has improved the chip removal ability simultaneously, and then has ensured the fast feed that the cutter can be stable.
The above technical purpose of the present invention can be achieved by the following technical solutions: a spiral waveform straight shank milling cutter comprises a cutter handle, a main cutting edge and a cutter core, wherein the cutter core is arranged at one end of the cutter handle, the main cutting edge is arranged on the circumferential surface of the cutter core, and the cutter handle, the main cutting edge and the cutter core are integrally formed;
the tool is characterized in that six main cutting edges are uniformly and spirally wound on the tool core, chip grooves are formed between every two adjacent main cutting edges, and the chip grooves extend to the tool shank; the main cutting edge is divided into a smooth edge and a waveform edge, the smooth edge is positioned at one end of the cutter core far away from the cutter handle, and the waveform edge is positioned between the smooth edge and the cutter handle;
the one end that the handle of a knife was kept away from to the sword core is equipped with the end sword of being connected with the plain edge, and is adjacent be equipped with the chip groove between the end sword, chip groove one end and chip groove intercommunication, the other end extends to axle center department.
Through the technical scheme, the chip grooves are used for containing chips cut by the main cutting edges, so that the chips can be quickly discharged in the quick milling process, cannot be accumulated on the main cutting edges, and cannot influence the cutting of the main cutting edges on workpieces; when milling is needed, the end blade is used for processing the horizontal plane of a product, and when the horizontal plane of the product is milled, the end blade can directly mill the surface of a workpiece, so that time loss caused by tool changing is avoided; and secondly, the smooth edge performs drilling treatment on the surface of the workpiece, and the drill hole drilled by the smooth edge has the effect of pre-positioning, so that the wavy edge can mill along the drill hole. The smooth blade is used for drilling, a drill bit is not required to be replaced for drilling and positioning, machining efficiency is improved, the corrugated side blade is prevented from being directly contacted with the surface of a workpiece, and drilling and positioning accuracy is guaranteed while the corrugated side blade is prevented from being damaged. The wave-shaped blade enables the main blade to be divided into a plurality of teeth, each tooth can be cut in a staggered mode, and chips cut off can be quickly thrown away from a workpiece cutting area when the cutter is at a cutting speed of 500m/min or even higher, so that the chip removal capacity is better improved, and the cutter can be stably and quickly fed. The chips cut by the end edge can be discharged from the chip groove along with the chip groove, and the chips are prevented from being accumulated at the end edge, so that the chips do not influence the feeding of the end edge.
The utility model discloses further set up to: the ratio of the length of the plain edge to the length of the corrugated side edge is 1: 8. .
Through the technical scheme, the length ratio of the plain blade to the corrugated side blade is 1:8, namely, the drilling drilled by the plain blade can be ensured to effectively position and guide the corrugated side blade and avoid the influence of overlong plain blade on the milling effect of the corrugated side blade, and the milling device is reasonable in structure and obvious in effect.
The utility model discloses further set up to: the main cutting edge and the end cutting edge are intersected to form a tool tip, and projections of the tool tip on the end face of the tool handle are all located on projections of the other five main cutting edges.
Through the technical scheme, when the cutter mills the side surface of the workpiece, at least five main cutting edges mill the workpiece simultaneously all the time, so that more materials are stripped from the surface of the workpiece in unit time, and the cutting efficiency is better ensured.
The utility model discloses further set up to: the chip groove is a U-shaped groove.
Through above-mentioned technical scheme, the piece that the end sword smear metal falls can be followed chip groove and is discharged along with the chip groove, and the setting in U type groove is avoided the piece to pile up and is located milling cutter's axle center department at the chip groove for do not have the piece and influence the feeding of end sword.
The utility model discloses further set up to: the ratio D/D of the diameter D of the core to the diameter D of the main cutting edge ranges from 45% to 50%. .
Through the technical scheme, the range of the ratio D/D of the diameter D of the cutter core and the diameter D of the main cutting edge is 45-50%, so that the chip groove is larger, more chips can be contained, and the chips are better prevented from being accumulated at the cutting edge of the main cutting edge.
The utility model discloses further set up to: the wave-shaped blade is a circular arc wave blade, and the ratio R/R of the wave trough radius R of the wave-shaped blade to the wave crest R of the wave-shaped blade is 50%; .
By the technical scheme, the arc grooves are formed between every two teeth, so that staggered tooth cutting is formed, the stress of a cutter is small during single cutting, the machine tool always keeps low power consumption, and the machine tool can realize high-speed and high-efficiency cutting under limited power; the wave trough radius R of the waveform blade is 50% of the wave crest R of the waveform blade, so that the arc groove is larger, more chips can be accommodated, the chips which are cut off can be quickly thrown away from a workpiece cutting area, the chip removal capacity is improved, and the cutter can be stably and quickly fed.
The utility model discloses further set up to: the interval between two wave troughs of the wave-shaped edge is 1.6 mm.
Through above-mentioned technical scheme, the interval between two troughs of wave form sword is 1.6mm for the sword length of wave form sword increases, thereby makes the area of contact increase of wave form sword and work piece, and the vibration that the cutter produced when reducing mills, and then ensures the life of cutter and the precision of processing.
The utility model discloses further set up to: the surfaces of the chip flutes are subjected to polishing treatment.
Through the technical scheme, the chip groove is polished to improve the surface quality and the chip removal performance, the more smooth and smooth the surface of the chip groove is, the better the chip removal is, and the more coherent cutting processing can be realized.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the plain edge, the wave-shaped edge and the chip removal groove, the pre-positioning effect is achieved, the wave-shaped edge is prevented from being directly contacted with the surface of a workpiece, the wave-shaped edge is prevented from being damaged, the chip removal capability is improved, and the cutter can be stably and quickly fed;
2. the length ratio of the plain edge to the corrugated side edge is 1:8, namely, the drilling drilled by the plain edge can be ensured to effectively position and guide the corrugated edge and avoid the milling effect of the corrugated side edge influenced by overlong plain edge, and the milling cutter is reasonable in structure and obvious in effect.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
FIG. 2 is a sectional view of the main-edge blade of the present embodiment;
FIG. 3 is a schematic view of the structure of the end blade of the present embodiment;
fig. 4 is a schematic structural view of the wavy blade of the present embodiment.
Reference numerals: 1. a knife handle; 2. a main blade; 3. a cutter core; 4. a chip pocket; 5. a smoothing edge; 6. a wave-shaped blade; 7. an end blade; 8. a knife tip; 9. a chip groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a spiral waveform straight shank milling cutter comprises a cutter handle 1, a main blade 2 and a cutter core 3, wherein the cutter handle 1 is cylindrical, the cutter core 3 is arranged at one end of the cutter handle 1, the main blade 2 is spirally wound on the circumferential side wall of the cutter core 3, six main blades 2 are uniformly arrayed around the axis of the cutter core 3, and the cutter handle 1, the main blade 2 and the cutter core 3 are integrally formed.
Referring to fig. 1 and 2, chip flutes 4 are arranged between adjacent main cutting edges 2, the surfaces of the chip flutes 4 are polished, the ratio D/D of the diameter of the tool core 3 to the diameter D of the main cutting edge 2 is 48%, the proportion of the tool core 3 is small, and the chip flutes 4 are larger; during milling, the main cutting edge 2 peels materials from the surface of a workpiece to form chips, then the chips enter the chip containing groove, move along the groove wall of the chip containing groove 4 in the direction far away from the main cutting edge 2, and finally are thrown away from the cutting area of the workpiece along the tangential direction of the chip containing groove 4; thereby avoiding the accumulation of chips at the main cutting edge 2 and not affecting the milling of the workpiece by the main cutting edge 2.
Referring to fig. 1 and 2, the main cutting edge 2 comprises a smooth edge 5 and a wave-shaped edge 6, the smooth edge 5 is located at one end of the knife core 3 far away from the knife handle 1, and the wave-shaped edge 6 is located between the smooth edge 5 and the knife handle 1; in the milling process, the smooth edge 5 is directly contacted with the surface of a workpiece to drill, the effect of pre-positioning is achieved, then the wavy edge 6 is milled along the wall of the drilled hole, and cut chips can be quickly thrown away from the cutting area of the workpiece, so that the chip removal capability is better improved, and the cutter can be stably and quickly fed; the ratio of the length of the plain edge 5 to the length of the wave-shaped edge 6 is 1:8, so that a drill drilled by the plain edge 5 can effectively position and guide the wave-shaped edge 6, and the milling effect of the corrugated side edge due to the fact that the plain edge 5 is too long can be avoided.
Referring to fig. 1 and 3, an end edge 7 is integrally formed at one end of the knife core 3 away from the knife handle 1, the end edge 7 is connected with the plain edge 5, and a knife tip 8 is formed by the intersection of the end edge 7 and the plain edge 5; the tool nose 8 inclines outwards towards the direction far away from the axis; an end face chip groove 9 is arranged between the adjacent end blades 7, the chip groove 9 is a U-shaped groove, one end of the chip groove 9 is communicated with the chip groove 4, and the other end of the chip groove extends to the axis.
Referring to fig. 1 and 3, when a milling cutter is used to cut a horizontal surface of a workpiece, a tool nose 8 first contacts with a surface of the workpiece and gradually moves into and out of the workpiece; then, the chips move along the end face chip removal groove 9 towards the direction far away from the axis, move along the inner wall of the chip groove 4 and are thrown away from the cutting area of the workpiece along the tangential direction of the chip groove 4, so that the chips are prevented from being accumulated at the end edge 7 and the milling of the end edge 7 to the workpiece is not influenced.
Referring to fig. 1, the projections of the tool noses 8 on the end surface of the tool shank 1 all fall on the projections of the other five main cutting edges 2, i.e. when milling the side surface of a workpiece, at least five main cutting edges 2 always mill the side surface of the workpiece.
Referring to fig. 1 and 4, the wave-shaped blade 6 is an arc-shaped wave blade, so that an arc groove is formed between each tooth, and the ratio R/R of the wave trough radius R of the wave-shaped blade 6 to the wave crest R of the wave-shaped blade is 50%, so that the arc groove is larger and can accommodate more chips, and the cut chips can be quickly thrown away from a workpiece cutting area, so that the chip removal capability is better improved, and the cutter can be stably and quickly fed; the interval between two troughs of wave form sword 6 is 1.6mm for the sword length of wave form sword 6 increases, thereby makes the area of contact increase of wave form sword 6 and work piece, and the vibration that the cutter produced when reducing mills, and then ensures the life of cutter and the precision of processing.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A spiral waveform straight shank milling cutter comprises a cutter handle (1), a main cutting edge (2) and a cutter core (3), wherein the cutter core (3) is arranged at one end of the cutter handle (1), the main cutting edge (2) is arranged on the circumferential surface of the cutter core (3), and the cutter handle (1), the main cutting edge (2) and the cutter core (3) are integrally formed;
the tool is characterized in that six main cutting edges (2) are uniformly and spirally wound on a tool core (3), chip grooves (4) are formed between every two adjacent main cutting edges (2), and the chip grooves (4) extend to the tool shank (1); the main cutting edge (2) is divided into a smooth edge (5) and a waveform edge (6), the smooth edge (5) is located at one end, far away from the cutter handle (1), of the cutter core (3), and the waveform edge (6) is located between the smooth edge (5) and the cutter handle (1);
the one end that handle of a knife (1) was kept away from in sword core (3) is equipped with end sword (7) of being connected with plain edge (5), and is adjacent be equipped with chip groove (9) between end sword (7), chip groove (9) one end and chip groove (4) intercommunication, the other end extends to axle center department.
2. A helical wave straight shank milling cutter according to claim 1, characterized in that the ratio l/L of the length l of the chisel edge (5) to the length L of the wave edge (6) is 1: 8.
3. A helicoidal straight shank milling cutter according to claim 1, characterized in that the main cutting edges (2) and the end edges (7) intersect to form points (8), the projections of said points (8) onto the end surface of the shank (1) all falling on the projections of the other five main cutting edges (2).
4. A helicoidal shank milling cutter according to claim 1, characterized in that the flutes (9) are U-shaped flutes.
5. A straight shank milling cutter according to claim 1, characterized in that the ratio D/D of the diameter D of the core (3) to the diameter D of the main cutting edge (2) ranges from 45% to 50%.
6. The helical waveform straight shank milling cutter as set forth in claim 1, wherein the waveform edge (6) is a circular arc wave edge, and a ratio R/R of a valley radius R of the waveform edge (6) to a crest R of the waveform edge is 50%.
7. A straight shank milling cutter according to claim 6, characterized in that the spacing between the two wave troughs of the wave edge (6) is 1.6 mm.
8. A helical wave straight shank milling cutter according to claim 1, characterized in that the surfaces of the chip flutes (4) are polished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710204.9U CN211101783U (en) | 2019-10-12 | 2019-10-12 | Spiral waveform straight shank milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710204.9U CN211101783U (en) | 2019-10-12 | 2019-10-12 | Spiral waveform straight shank milling cutter |
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| Publication Number | Publication Date |
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| CN211101783U true CN211101783U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921710204.9U Active CN211101783U (en) | 2019-10-12 | 2019-10-12 | Spiral waveform straight shank milling cutter |
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| CN (1) | CN211101783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719385A (en) * | 2020-12-25 | 2021-04-30 | 株洲钻石切削刀具股份有限公司 | Milling cutter |
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2019
- 2019-10-12 CN CN201921710204.9U patent/CN211101783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719385A (en) * | 2020-12-25 | 2021-04-30 | 株洲钻石切削刀具股份有限公司 | Milling cutter |
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