CN221210020U - Chip-separating buffering three-edge-striking cutter - Google Patents
Chip-separating buffering three-edge-striking cutter Download PDFInfo
- Publication number
- CN221210020U CN221210020U CN202323202679.6U CN202323202679U CN221210020U CN 221210020 U CN221210020 U CN 221210020U CN 202323202679 U CN202323202679 U CN 202323202679U CN 221210020 U CN221210020 U CN 221210020U
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- cutter
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- chip
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 27
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000003801 milling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 oxide skin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a chip-separating buffering three-sided cutter which comprises a cutter body, a replaceable cutter block, an inclined pressing block and a chip-separating buffering striking blade. The cutter body is a disc cutter body, and N cutter block grooves are uniformly distributed along the circumferential direction of the outer side of the cutter body; the replaceable cutter blocks are N and are respectively fixed on one side of the cutter block groove through fixing screws; the oblique pressing block is embedded between the replaceable cutter block and the other side of the cutter block groove, is fixed on the cutter body through the double-end stud and wedges the replaceable cutter block along the circumferential direction of the cutter body. The blade is fixed on the replaceable blade block, and only the replaceable blade body needs to be replaced after the blade groove is damaged. According to the utility model, the chip separation function is realized through the chip separation groove structure of the blade and the axial dislocation distribution of the blade, so that the cutting load is effectively reduced, and the cutting stability of the large-diameter milling cutter disc is improved; the local blade inclination angle on the blade can effectively reduce the impact effect in the cutting process and improve the service life of the cutter.
Description
Technical Field
The utility model belongs to a milling cutter in the technical field of metal cutting, and particularly relates to a chip-separating buffering three-edge-striking cutter.
Background
The shell of the large centrifugal compressor is usually cast, and the blank is relatively large in remaining casting allowance, and the casting allowance is generally 10-15 mm in order to ensure casting quality during production. Thereby leading the removal amount of the material to be extremely large in the rough machining stage of the casing abdominal cavity groove, wherein the radial cutting depth can reach more than 10mm in the machining process, the cutting speed of a cutter is more than or equal to 150m/min, and the feeding amount is more than or equal to 2mm/r, and the heavy-load cutting belongs to heavy-load cutting; and the surface layer of the part is provided with a hard layer such as oxide skin, sand holes and the like, the cutting condition is bad, and the edge of the three-edge milling cutter is easy to wear. In the machining process, not only is the cutting force large, but also a large cutting load impact exists. Particularly, for machining of cast stainless steel shells, due to the fact that the stainless steel materials have strong work hardening phenomenon, when cutting load impact is large, the service life of a cutter is very low, and the machining efficiency of the cast stainless steel shells is seriously affected. In addition, the single tooth cutting load of current three-sided milling cutter is big in the course of working, and the blade wearing and tearing are serious, and cutter life is short, and frequent tool changing in the production process produces the auxiliary time overlength, and machining efficiency is not high, seriously influences large-scale centrifugal compressor's delivery cycle, and current three-sided milling cutter's cutting performance can't satisfy production needs.
Disclosure of utility model
Aiming at the problems of the prior cutter, the utility model provides a chip-separating buffering three-edge cutter which can reduce cutting load, relieve impact effect in the cutting process, prolong the service life of the cutter and further effectively improve the production efficiency.
The utility model adopts the following technical means:
A chip-separating buffering three-sided knife comprises a knife body, a replaceable knife block, an oblique pressing block, a double-end stud, a knife blade screw, a fixing screw and a chip-separating buffering knife blade. The cutter body is a disc cutter body, and N cutter block grooves are uniformly distributed along the circumferential direction of the outer side of the cutter body; the replaceable cutter blocks are N and are respectively fixed on one side of the cutter block groove through fixing screws; the oblique pressing block is embedded between the replaceable cutter block and the other side of the cutter block groove, is fixed on the cutter body through the double-end stud and wedges the replaceable cutter block along the circumferential direction of the cutter body. The chip separation buffering striking blade is fixed on the replaceable blade block through a blade screw.
Further, the chip separation buffering striking blade is fixed in a blade groove on the replaceable blade block through a blade screw.
Further, the diameter of the cutter body is 80-500mm, and the thickness of the cutter head is 20-60mm.
Further, the replaceable cutter blocks are divided into M groups along the circumferential direction, and N=4M is satisfied; the chip separation buffer impact blade on each group of 4 replaceable blade blocks is installed as follows: according to anticlockwise direction, the downside of the first replaceable cutter block is provided with 1 chip separation buffer blade, the upside of the second replaceable cutter block is provided with 1 chip separation buffer blade, the upside and downside of the third replaceable cutter block are respectively provided with 1 chip separation buffer blade, and the middle of the fourth replaceable cutter block is provided with 1 chip separation buffer blade.
Further, the chip separation buffering striking blade is a blade with a chip separation groove structure, the rear angle alpha is 5-10 degrees, the front blade surface of the chip separation buffering striking blade is provided with a step structure along the cutting edge direction, the rear blade surface is provided with a plurality of chip separation grooves, the chip separation buffering striking blade and the rear blade surface are intersected to form a cutting edge, and the local blade inclination angle beta of the step structure on the front blade surface is 3-8 degrees.
Further, the inclined pressing block is fixed on the cutter body through two studs, and the two studs are axially arranged.
Compared with the prior art, the utility model has the following advantages:
1. The chip separation buffer blade is fixed on the replaceable blade block, and the cutting load is large in the heavy-load cutting process, so that the cutter groove for mounting the chip separation buffer blade is easy to damage, and only the replaceable blade body is required to be replaced after the cutter groove is damaged; and secondly, according to the processing requirement, the replaceable cutter blocks in other cutter groove forms can be replaced, so that the universality of the cutter body is improved, and the cost of the cutter is further reduced.
2. According to the utility model, the chip dividing function is realized through the chip dividing groove structure of the blade and the axial dislocation distribution of the chip dividing buffer impact blade, so that the cutting load is effectively reduced, and the cutting stability of the large-diameter milling cutter disc is improved; in addition, the local blade inclination angle on the chip separation buffering striking blade can realize the buffering in and buffering out of the cutting process, effectively reduce the impact effect in the cutting process, improve the service life of the cutter, and has important significance for realizing efficient machining.
Drawings
Fig. 1 is a three-dimensional view of the present utility model.
Fig. 2 is a partial cross-sectional view of the present utility model.
Fig. 3 is a schematic view of axial chip-splitting cushion blade misalignment of the present utility model.
Fig. 4 is a three-dimensional view of one of the replaceable cutter blocks of the present utility model.
Fig. 5 is a three-dimensional view of a second replaceable blade block of the present utility model.
Fig. 6 is a three-dimensional view of a third replaceable blade of the present utility model.
Fig. 7 is a three-dimensional view of a fourth replaceable blade block of the present utility model.
Fig. 8 is a three-dimensional view of a chip-breaker blade according to the present utility model.
Icon: 1. the cutter comprises a cutter body, a replaceable cutter block, a bevel press block, a double-end stud, a chip separating buffering cutter blade, a cutter blade screw, a cutter blade fixing screw and a chip separating groove, wherein the cutter body is provided with the cutter blade fixing screw.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
Embodiments of the invention are as follows:
As shown in fig. 1-8, the cutter body 1 has a diameter of 400mm and a thickness of 26mm, and has 6 groups of 4 replaceable cutter blocks, wherein the replaceable cutter blocks are distributed at equal intervals along the circumferential direction. The positions of the chip-dividing buffer impact blades 5 on the 4 replaceable cutter blocks 2 of each group are different, according to the thickness of a cutter disc, the length of the chip-dividing buffer impact blades 5 and the width of chip dividing grooves of the chip-dividing buffer impact blades, 1 chip-dividing buffer impact blade 5 is arranged on the lower side of the first replaceable cutter block 2, 1 chip-dividing buffer impact blade 5 is arranged on the upper side of the second replaceable cutter block 2, 1 chip-dividing buffer impact blade 5 is arranged on the upper side and the lower side of the third replaceable cutter block 2 respectively, and 1 chip-dividing buffer impact blade 5 is arranged in the middle of the fourth replaceable cutter block 2; meanwhile, the chip dividing grooves 8 on the chip dividing buffering striking blade 5 are mutually staggered, and the cutting edge exists along the thickness of the cutter body 1. Each replaceable cutter block 2 is wedged tightly by the inclined plane of the inclined press block 3, and the replaceable cutter block 2 is fixed on the cutter body 1 by the fixing screw 7.
The chip-dividing buffering striking blade 5 is of a diamond structure, the front angle is 5 degrees, the rear angle is 7 degrees, the front cutter face of the chip-dividing buffering striking blade 5 is provided with a step structure along the cutting edge direction, the rear cutter face is provided with a wave-shaped chip dividing groove, the wave-shaped chip dividing groove and the wave-shaped chip dividing groove are intersected to form a wave-shaped cutting edge, the step structure on the front cutter face controls the edge inclination angle, and the edge inclination angle is 5 degrees.
The present utility model is not limited to the present embodiment, and any equivalent concept or modification within the technical scope of the present utility model is listed as the protection scope of the present utility model.
Claims (6)
1. The utility model provides a divide bits buffering to hit trilateral sword cutter which characterized in that: comprises a cutter body (1), a replaceable cutter block (2), an inclined press block (3), a double-end stud (4), a cutter blade screw (6), a fixing screw (7) and a chip separation buffering cutter blade (5); the cutter body (1) is a disc cutter body (1), and N cutter block grooves are uniformly distributed along the circumferential direction of the outer side of the cutter body (1); the replaceable cutter blocks (2) are N and are respectively fixed on one side of the cutter block groove through fixing screws (7); the oblique pressing block (3) is embedded between the replaceable cutter block (2) and the other side of the cutter block groove, and the oblique pressing block (3) is fixed on the cutter body (1) through the double-end stud (4) and wedges the replaceable cutter block (2) along the circumferential direction of the cutter body (1); the chip separation buffering striking blade (5) is fixed on the replaceable blade block (2) through a blade screw (6).
2. The chip breaker three-edged tool according to claim 1, wherein: the chip separation buffering blade (5) is fixed in a blade groove on the replaceable blade block (2) through a blade screw (6).
3. The chip breaker three-edged tool according to claim 1, wherein: the diameter of the cutter body (1) is 80-500mm, and the thickness of the cutter disc is 20-60mm.
4. The chip breaker three-edged tool according to claim 1, wherein: the replaceable cutter blocks (2) are divided into M groups along the circumferential direction, and N=4M is satisfied; the chip separation buffering striking blades (5) on each group of 4 replaceable blade blocks (2) are installed in the following manner: according to anticlockwise direction, the downside of the first replaceable cutter block (2) is provided with 1 chip separation buffer blade (5), the upside of the second replaceable cutter block (2) is provided with 1 chip separation buffer blade (5), the upside of the third replaceable cutter block (2) is provided with 1 chip separation buffer blade (5) respectively, and the middle of the fourth replaceable cutter block (2) is provided with 1 chip separation buffer blade (5).
5. The chip breaker three-edged tool according to claim 1, wherein: the chip separation buffering striking blade (5) is a blade with a chip separation groove structure, the rear angle alpha is 5-10 degrees, the front blade surface of the chip separation buffering striking blade (5) is provided with a step structure along the cutting edge direction, the rear blade surface is provided with a plurality of chip separation grooves (8), the chip separation grooves are intersected to form a cutting edge, and the local blade inclination angle beta of the step structure on the front blade surface is 3-8 degrees.
6. The chip breaker three-edged tool according to claim 1, wherein: the oblique pressing block (3) is fixed on the cutter body (1) through two studs (4), and the two studs (4) are axially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202679.6U CN221210020U (en) | 2023-11-27 | 2023-11-27 | Chip-separating buffering three-edge-striking cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202679.6U CN221210020U (en) | 2023-11-27 | 2023-11-27 | Chip-separating buffering three-edge-striking cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221210020U true CN221210020U (en) | 2024-06-25 |
Family
ID=91547589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323202679.6U Active CN221210020U (en) | 2023-11-27 | 2023-11-27 | Chip-separating buffering three-edge-striking cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221210020U (en) |
-
2023
- 2023-11-27 CN CN202323202679.6U patent/CN221210020U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |