CN215966531U - High-efficiency strong rough end mill - Google Patents
High-efficiency strong rough end mill Download PDFInfo
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- CN215966531U CN215966531U CN202121369171.3U CN202121369171U CN215966531U CN 215966531 U CN215966531 U CN 215966531U CN 202121369171 U CN202121369171 U CN 202121369171U CN 215966531 U CN215966531 U CN 215966531U
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- cutter
- cutter groove
- groove
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- 238000003801 milling Methods 0.000 claims abstract description 26
- 238000010276 construction Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 13
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a high-efficiency strong rough-opening end mill, which comprises a cutter handle part and a milling part, wherein the rear end of the milling part is connected with the cutter handle part; the milling part is provided with four cutter grooves along the circumferential direction; the cutter groove comprises a main cutter groove and an auxiliary cutter groove arranged at the front end of the main cutter groove, the main cutter groove and the auxiliary cutter groove are both in a spiral shape, the main cutter groove is in cutter groove indexing arrangement along the same circumferential direction, and the auxiliary cutter groove is in cutter groove indexing arrangement along the same circumferential direction. The efficient strong rough-opening end mill adopts a double-cutter-groove structure, and the front end of the main cutter groove is provided with the auxiliary cutter groove for removing chips, so that the chip removal capability of the cutter is fully improved, and the cutter can effectively remove chips during efficient cutting; meanwhile, the main cutter groove and the auxiliary cutter groove are designed by adopting cutter groove graduation, so that the resonance generated in the machining process can be reduced. Therefore, the efficient and powerful rough end mill has strong chip removal capability, can reduce resonance generated during machining, and avoids the phenomenon of cutter breakage.
Description
Technical Field
The utility model relates to the technical field of cutters, in particular to a roughing end mill.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. At present, the common end milling cutter does not consider the phenomena of chip removal, tool vibration, resonance and the like during efficient and powerful rough cutting during design, so that the chips can not be removed during efficient cutting machining of the cutter, and the cutter is broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency strong roughing end mill which has strong chip removal capability and can reduce resonance generated during machining.
In order to achieve the purpose, the utility model provides an efficient strong rough end mill, which comprises a cutter handle part and a milling part, wherein the rear end of the milling part is connected with the cutter handle part; the milling part is provided with four cutter grooves along the circumferential direction; the tool grooves comprise a main tool groove and an auxiliary tool groove arranged at the front end of the main tool groove, the main tool groove and the auxiliary tool groove are both in a spiral shape, the main tool groove is in tool groove indexing arrangement along the same circumferential direction, and the auxiliary tool groove is in tool groove indexing arrangement along the same circumferential direction.
Preferably, the angle of the main knife groove graduation is 8 degrees.
Preferably, the angle of the groove division of the auxiliary groove is 8 degrees.
Preferably, the end face of the milling part is of a four-edge one-tooth over-center structure.
Preferably, the four sipes are a first sipe, a second sipe, a third sipe and a fourth sipe in sequence along the circumferential direction of the milling portion, the helix angle of the first sipe is the same as that of the third sipe, the helix angle of the second sipe is the same as that of the fourth sipe, and the helix angle of the first sipe is different from that of the second sipe.
Preferably, the helix angle of the first sipe and the helix angle of the third sipe are 38 degrees, and the helix angle of the second sipe and the helix angle of the fourth sipe are 36 degrees.
Compared with the prior art, the efficient strong rough-cutting end mill adopts a double-cutter-groove structure, and the front end of the main cutter groove is provided with the auxiliary cutter groove for removing chips, so that the chip removal capability of the cutter is fully improved, and the cutter can effectively remove chips during efficient cutting; meanwhile, the main cutter grooves and the auxiliary cutter grooves are designed in a cutter groove graduation mode, namely, the four main cutter grooves are distributed unequally in the same circumferential direction, and the four auxiliary cutter grooves are distributed unequally in the same circumferential direction, so that resonance generated in machining can be reduced. Therefore, the efficient and powerful rough end mill has strong chip removal capability, can reduce resonance generated during machining, and avoids the phenomenon of cutter breakage.
Drawings
Fig. 1 is a schematic perspective view of a high-efficiency strong roughing end mill according to the present invention.
Fig. 2 is a front view of an end face of the high power roughing end mill of the present invention.
Fig. 3 is a schematic view showing the arrangement of the auxiliary pockets of the high-efficiency heavy open end mill according to the present invention.
Fig. 4 is a schematic view showing the distribution structure of the main pockets of the high-efficiency heavy open end mill of the present invention.
FIG. 5 shows a high efficiency and strong force grooving of a roughing end mill according to the present invention
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 4, the high-efficiency strong roughing end mill 100 of the present invention includes a shank portion 1 and a milling portion 2, wherein a rear end of the milling portion 2 is connected to the shank portion 1; the milling part 2 is provided with four cutter grooves 21 along the circumferential direction; the cutter groove 21 includes a main cutter groove 211 and an auxiliary cutter groove 212 opened at the front end of the main cutter groove 211, the main cutter groove 211 and the auxiliary cutter groove 212 are both spiral, the main cutter groove 211 is arranged in cutter groove graduation along the same circumferential direction, and the auxiliary cutter groove 212 is arranged in cutter groove graduation along the same circumferential direction, so that resonance generated during machining can be reduced.
Referring to fig. 3, the auxiliary sipes 212 of the four sipes 21 are distributed non-equally in the circumferential direction of the milling portion 2, and α 1 and α 2 in the drawing represent the included angle between two adjacent auxiliary sipes 212, respectively. In the present embodiment, the angle size of the sipe division of the sub sipe 212 is 8 degrees, in fig. 3, the size of α 1 is 82 °, the size of α 2 is 98 degrees, and α 1 plus α 2 is equal to 180 °, so that the sipe division of one of the two adjacent sub sipes 212 is positive octave, and the sipe division of the other of the two adjacent sub sipes 212 is negative octave.
Referring to fig. 4, the main pockets 211 of the four pockets 21 are distributed non-equally in the circumferential direction of the milling portion 2, and in the present embodiment, the angle of the pocket pitch of the main pocket 211 is 8 degrees. In the drawing, α 3 represents the sipe pitch of the main sipe 211, and the angular size of α 3 is 8 degrees, that is, the angular size of the sipe pitch of the main sipe 211 is 8 degrees.
Referring to fig. 2, in the present embodiment, the end surface of the milling portion 2 has a four-edge one-tooth over-center structure. The structure is suitable for CNC machining plunge milling type machining and gives consideration to large-allowance roughing machining.
Referring to fig. 2 and 5, the four sipes 21 are a first sipe 21a, a second sipe 21b, a third sipe 21c and a fourth sipe 21d in sequence along the circumferential direction of the milling portion 2, the helix angle of the first sipe 21a is the same as that of the third sipe 21c, the helix angle of the second sipe 21b is the same as that of the fourth sipe 21d, and the helix angle of the first sipe 21a is different from that of the second sipe 21 b. Specifically, the helix angle of the first sipe 21a and the helix angle of the third sipe 21c are 38 degrees, and the helix angle of the second sipe 21b and the helix angle of the fourth sipe 21d are 36 degrees. The four cutter grooves 21 of the efficient and powerful roughing end mill 100 adopt a variable spiral design, so that the cutter is more stable during machining, and the cutter vibration phenomenon during efficient roughing of the cutter is avoided.
In summary, the high-efficiency strong rough-cutting end mill 100 according to the present invention adopts the structure of the double-flute 21, and the auxiliary flute 212 for discharging chips is provided at the front end of the main flute 211, so that the chip discharging capability of the tool is sufficiently improved, and the tool can be ensured to discharge chips effectively during high-efficiency cutting processing. Meanwhile, the main cutter grooves 211 and the auxiliary cutter grooves 212 are designed in a cutter groove graduation mode, namely, the four main cutter grooves 211 are distributed unequally in the same circumferential direction, and the four auxiliary cutter grooves 212 are distributed unequally in the same circumferential direction, so that resonance generated in machining can be reduced. The four cutter grooves 21 of the efficient and powerful roughing end mill 100 adopt a variable spiral design, so that the cutter is more stable during machining, and the cutter vibration phenomenon during efficient roughing of the cutter is avoided.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.
Claims (6)
1. An efficient strong rough end mill is characterized by comprising a cutter handle part and a milling part, wherein the rear end of the milling part is connected with the cutter handle part; the milling part is provided with four cutter grooves along the circumferential direction; the tool grooves comprise a main tool groove and an auxiliary tool groove arranged at the front end of the main tool groove, the main tool groove and the auxiliary tool groove are both in a spiral shape, the main tool groove is in tool groove indexing arrangement along the same circumferential direction, and the auxiliary tool groove is in tool groove indexing arrangement along the same circumferential direction.
2. A high efficiency power roughing end mill as recited in claim 1 wherein said main pocket has a pocket pitch angle of 8 degrees.
3. A high efficiency power roughing end mill according to claim 1 wherein the angle size of the pocket division of said minor pocket is 8 degrees.
4. A high efficiency power roughing end mill according to claim 1 wherein said milling portion end face is of four-edge one tooth over center construction.
5. The high-efficiency heavy open end mill according to claim 1, wherein the four pockets are a first pocket, a second pocket, a third pocket and a fourth pocket in this order in a circumferential direction of the milling portion, a helix angle of the first pocket is the same as a helix angle of the third pocket, a helix angle of the second pocket is the same as a helix angle of the fourth pocket, and a helix angle of the first pocket is different from a helix angle of the second pocket.
6. The high efficiency power roughing end mill of claim 1 wherein the helix angle of the first pocket and the helix angle of the third pocket are 38 degrees and the helix angle of the second pocket and the helix angle of the fourth pocket are 36 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121369171.3U CN215966531U (en) | 2021-06-18 | 2021-06-18 | High-efficiency strong rough end mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121369171.3U CN215966531U (en) | 2021-06-18 | 2021-06-18 | High-efficiency strong rough end mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215966531U true CN215966531U (en) | 2022-03-08 |
Family
ID=80517058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121369171.3U Expired - Fee Related CN215966531U (en) | 2021-06-18 | 2021-06-18 | High-efficiency strong rough end mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215966531U (en) |
-
2021
- 2021-06-18 CN CN202121369171.3U patent/CN215966531U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |