CN220330076U - CBN milling cutter with chip breaker - Google Patents
CBN milling cutter with chip breaker Download PDFInfo
- Publication number
- CN220330076U CN220330076U CN202322262326.9U CN202322262326U CN220330076U CN 220330076 U CN220330076 U CN 220330076U CN 202322262326 U CN202322262326 U CN 202322262326U CN 220330076 U CN220330076 U CN 220330076U
- Authority
- CN
- China
- Prior art keywords
- cutter
- chip
- chip breaker
- groove
- cbn
- 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.)
- Active
Links
- 238000003801 milling Methods 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims abstract description 40
- 239000000110 cooling liquid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 12
- 238000003754 machining Methods 0.000 description 9
- 239000002826 coolant Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a CBN milling cutter with chip breaking grooves, which comprises a cutter bar, wherein one end of the cutter bar is fixedly connected with a cutter head, and one side of the outer surface of the cutter head is fixedly connected with a cutting edge; the middle part of tool bit upper surface has seted up the dashpot, the chip groove has been seted up at the top of tool bit surface, the chip groove has been seted up to the opposite side of tool bit surface. This take CBN milling cutter of chip breaker through the setting of chip breaker, chip breaker and chip breaker, and the chip breaker is led to the inside of chip breaker with the cutting bits, and the chip breaker is spiral arc shape's design, has improved the smoothness nature of chip removal, and the chip breaker is offered in one side of cutting edge, and is adjacent with the chip breaker, can cut off the inside long cutting of chip breaker into shorter little cutting, promotes whole chip breaking capacity, avoids long chip winding on the cutter, causes the cutter to break the sword to prolonged milling cutter life by a wide margin, make the cutting process more stable, guarantee the machined surface precision.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a CBN milling cutter with chip breaking grooves.
Background
Milling tools are rotary tools for milling operations having one or more cutter teeth. During operation, each cutter tooth can cut the work piece intermittently in proper order, and the milling cutter is mainly used for milling steps, planes, grooves, forming surfaces, cutting off the work piece and the like.
Through retrieving, chinese patent publication (bulletin) No. CN206464598U discloses a novel milling cutter of compressing blade form, and this novel milling cutter of compressing blade form includes cutter arbor and CBN blade, the mounting groove of placing the CBN blade has been seted up to the cutter arbor front end, be equipped with the clamp plate that is used for compressing tightly the CBN blade on the cutter arbor front end, the clamp plate passes through adjusting bolt and threaded hole screw-thread fit connection on the cutter arbor, and is equipped with the gasket between the CBN blade, a lock bolt is connected in circumferential direction on the gasket, just lock bolt and clamp plate screw-thread fit, relative clamp plate upper and lower displacement have the clamp force of strengthening the CBN blade, guarantee that the CBN blade can last normal operating advantage.
The above patent has a problem that the cutting chip is difficult to break although the clamping force to the CBN insert is enhanced, and the cutting chip is easily wound on the tool, thereby affecting the processing surface quality of the workpiece and reducing the service life of the tool, so that it is required to design a CBN milling cutter with chip breaking grooves to solve the above problem.
Disclosure of Invention
The utility model mainly aims to provide a CBN milling cutter with chip breaking grooves, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the CBN milling cutter with the chip breaking grooves comprises a cutter bar, wherein one end of the cutter bar is fixedly connected with a cutter head, and one side of the outer surface of the cutter head is fixedly connected with a cutting edge; the middle part of tool bit upper surface has seted up the dashpot, the chip groove has been seted up at the top of tool bit surface, the chip groove has been seted up to the opposite side of tool bit surface, the chip breaker has been seted up to one side of cutting edge surface.
In order to achieve the effect of dispersing cutting force, the CBN milling cutter with the chip breaking grooves is characterized in that the cutting edge and the chip breaking grooves are of a spiral structure.
In order to enhance the hardness, the CBN milling cutter with the chip breaking grooves is characterized in that the cutter bar and the cutter head are made of CBN materials.
In order to achieve the effect of avoiding the rotation of the cutter bar, the CBN milling cutter with the chip breaker groove is characterized in that the cutter bar is movably connected with the cutter handle on the outer surface of the cutter bar, the clamping groove is formed in the middle of the inner side surface of the cutter handle, and the clamping block is fixedly connected with the other end of the cutter bar.
In order to achieve the effect of being convenient for closing the screw pipe, the CBN milling cutter with the chip breaking grooves is characterized in that one end of the cutter handle is fixedly connected with the screw pipe, and a screw cap is connected to the outer surface of the screw pipe in a threaded manner.
In order to achieve the effect of preventing the cutter bar from being separated from the cutter handle, the CBN milling cutter with the chip breaking grooves is characterized in that a limiting ring is fixedly connected to the middle of the outer surface of the cutter bar.
In order to achieve the effect of enhancing the firmness of a cutter bar, as the CBN milling cutter with the chip breaker groove, grooves are formed in two sides of the outer surface of the cutter bar, springs are fixedly connected in the grooves, one ends of the springs are fixedly connected with bolts, and limit holes are formed in two sides of the outer surface of a spiral tube.
In order to achieve the effect of being convenient for conveying cooling liquid, the CBN milling cutter with the chip breaking grooves is characterized in that cooling liquid channels are formed in the cutter handle, the cutter bar and the cutter head.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the chip guide groove, the chip removal groove and the chip breaker groove, the chip guide groove guides the cutting chips into the chip removal groove, the chip removal groove is in a spiral arc shape, so that the smoothness of chip removal is improved, the chip breaker groove is arranged on one side of the cutting edge and adjacent to the chip removal groove, long cutting in the chip removal groove can be cut into shorter small cutting in cutting operation, the integral chip breaking capacity is improved, long cutting chips are prevented from winding on a cutter, and the cutter edge breakage is avoided, so that the service life of the milling cutter is greatly prolonged, the cutting process is more stable, and the machining surface precision is ensured.
2. According to the milling cutter, through the arrangement of the screw pipe, the screw cap, the limiting ring, the bolt, the spring and the cooling liquid channel, after the cutter bar is installed, the bolt is clamped in the limiting hole under the action of the spring, so that the connection is more stable, the cutter bar cannot deviate and slide in the machining process, the machining precision is improved, the screw cap is connected in the screw pipe in a threaded mode, the fixing and fixing are carried out through the limiting ring, the effect of firmly fixing and stabilizing the cutter bar is achieved, the cooling liquid channel conveys cooling liquid, the temperature of the milling cutter during use is effectively reduced, the cooling liquid flows to the outer side of the milling cutter, and the cooling effect can be provided for the outer surface of the milling cutter.
Drawings
FIG. 1 is a schematic diagram of a front view structure of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional plan view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an exploded structure of an embodiment of the present utility model;
FIG. 4 is a schematic view of a cutter head according to an embodiment of the present utility model;
fig. 5 is a schematic view of a handle structure according to an embodiment of the present utility model.
In the figure: 1. a cutter bar; 2. a cutter head; 3. a blade; 4. a buffer tank; 5. a chip guiding groove; 6. a chip removal groove; 7. a chip breaker; 8. a knife handle; 9. a clamping groove; 10. a clamping block; 11. a solenoid; 12. a screw cap; 13. a limiting ring; 14. a groove; 15. a spring; 16. a plug pin; 17. a limiting hole; 18. and a cooling liquid channel.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-5, a CBN milling cutter with chip breaker comprises a cutter bar 1, wherein one end of the cutter bar 1 is fixedly connected with a cutter head 2, and one side of the outer surface of the cutter head 2 is fixedly connected with a cutter edge 3; the middle part of the upper surface of the tool bit 2 is provided with a buffer groove 4, the top of the outer surface of the tool bit 2 is provided with a chip guiding groove 5, the other side of the outer surface of the tool bit 2 is provided with a chip discharging groove 6, and one side of the outer surface of the cutting edge 3 is provided with a chip breaking groove 7.
When the cutter is specifically used, through the arrangement of the cutting edge 3, the buffer groove 4, the chip guide groove 5, the chip groove 6 and the chip breaker groove 7, the cutter head 2 is fixed at one end of the cutter bar 1, a plurality of cutting edges 3 are uniformly fixed on the surface of the cutter head in a circumferential array mode, the cutting edge 3 is of a spiral structure and can gradually cut into and separate from a workpiece so as to improve cutting stability, improve machining efficiency, the buffer groove 4 is formed at the top of the cutter head 2 and is of a horn-shaped structure, the cutter head 2 has a buffer effect when in use, toughness of the cutter head 2 is enhanced, the chip guide groove 5 can guide cutting chips into the chip breaker groove 6, the chip breaker groove 6 is of a spiral arc shape, smoothness of chip removal is improved, the chip breaker groove 7 is formed on one side of the cutting edge 3 and adjacent to the chip breaker groove 6, long cutting inside the chip breaker groove 6 can be cut into shorter small cutting pieces in cutting operation, the whole chip breaking capacity is improved, long cutting chips are prevented from being wound on the cutter, the cutter blade is greatly prolonged, the service life is more stable, and the machining surface precision is ensured.
In this embodiment, the cutting edges 3 and the junk slots 6 are each of a helical configuration.
When the cutter is particularly used, the cutter blade 3 and the chip removal groove 6 are arranged and are of spiral structures, so that the force applied during cutting can be dispersed, and the service life is prolonged.
In this embodiment, both the cutter bar 1 and the cutter head 2 are made of CBN material.
When the milling cutter is particularly used, the cutter bar 1 and the cutter head 2 are arranged, and are made of CBN materials, so that the CBN has higher hardness, chemical inertness and thermal stability at high temperature, and the strength of the milling cutter is enhanced when the milling cutter is used.
In the embodiment, the outer surface of the cutter bar 1 is movably connected with a cutter handle 8, the middle part of the inner side surface of the cutter handle 8 is provided with a clamping groove 9, and the other end of the cutter bar 1 is fixedly connected with a clamping block 10.
When the milling cutter is specifically used, through the arrangement of the cutter handle 8, the cutter handle 8 is an accessory for clamping the cutter bar 1, the milling cutter is connected with the main shaft through the cutter handle 8, the transmission speed and torque are high, the milling cutter is rotated to achieve the purpose of milling a workpiece, the clamping block 10 at the bottom of the cutter bar 1 is inserted into the clamping groove 9, the positioning and mounting effects are achieved, and the cutter bar 1 is prevented from rotating during processing.
In this embodiment, one end of the handle 8 is fixedly connected with a screw 11, and the outer surface of the screw 11 is in threaded connection with a nut 12.
When the screw rod is specifically used, through the arrangement of the screw tube 11 and the screw cap 12, after the cutter rod 1 is installed, the screw cap 12 is in threaded connection with the inside of the screw tube 11, and the cutter rod 1 is limited and fixed, so that the screw rod is convenient to install and detach.
In the embodiment, a limiting ring 13 is fixedly connected to the middle part of the outer surface of the cutter bar 1.
When the milling cutter is specifically used, through the arrangement of the limiting ring 13, the nut 12 positions and fixes the limiting ring 13, so that the effect of fixing the cutter bar 1 firmly and stably is realized, and the milling cutter cannot be loosened or fall off in the processing process.
In this embodiment, grooves 14 are formed on two sides of the outer surface of the cutter bar 1, a spring 15 is fixedly connected inside the grooves 14, a bolt 16 is fixedly connected with one end of the spring 15, and limiting holes 17 are formed on two sides of the outer surface of the spiral tube 11.
When the cutter bar is specifically used, through the arrangement of the bolt 16, the bolt 16 is pressed, so that the cutter bar 1 is inserted into the cutter handle 8 through the bolt 16 and the spring 15, the bolt 16 is clamped in the limiting hole 17 under the action of the spring 15, the connection is ensured to be more stable, the cutter bar 1 cannot deviate and slide in the machining process, and the machining precision is improved.
In this embodiment, the cooling liquid channels 18 are provided in the tool shank 8, the tool shank 1 and the tool bit 2.
In particular use, the coolant is conveyed through the coolant channel 18, so that the temperature of the milling cutter in use is effectively reduced, and the coolant flows to the outer side of the milling cutter, so that the cooling effect can be provided for the outer surface of the milling cutter.
Working principle: in use, the clamping block 10 at the bottom of the cutter bar 1 is inserted into the clamping groove 9 in the cutter handle 8, the bolt 16 is clamped in the limiting hole 17 under the action of the spring 15, the nut 12 is in threaded connection with the inside of the screw tube 11, positioning and fixing are carried out through the limiting ring 13, the milling cutter is ensured not to loosen or fall off in the machining process, the cutting edge 3 with the spiral structure can gradually cut into and separate from a workpiece, the buffer groove 4 enables the cutter head 2 to have a buffering effect when in use, the chip guiding groove 5 guides cutting chips into the inside of the chip removing groove 6, the chip removing groove 6 is in a spiral arc shape design, the chip removing smoothness is improved, the chip breaking groove 7 can cut long cutting inside the chip removing groove 6 into short small cutting in the cutting operation, the whole chip breaking capacity is improved, the machining surface precision is ensured, the cooling liquid channel 18 can convey cooling liquid, and the temperature of the milling cutter when in use is effectively reduced.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. CBN milling cutter with chip breaker groove, including cutter arbor (1), its characterized in that: one end of the cutter bar (1) is fixedly connected with a cutter head (2), and one side of the outer surface of the cutter head (2) is fixedly connected with a cutting edge (3);
the novel chip breaker is characterized in that a buffer groove (4) is formed in the middle of the upper surface of the cutter head (2), a chip guide groove (5) is formed in the top of the outer surface of the cutter head (2), a chip removal groove (6) is formed in the other side of the outer surface of the cutter head (2), and a chip breaker groove (7) is formed in one side of the outer surface of the cutter blade (3).
2. The CBN milling cutter with chip breaker according to claim 1, wherein: the cutting edge (3) and the chip removal groove (6) are both in spiral structures.
3. The CBN milling cutter with chip breaker according to claim 1, wherein: the cutter bar (1) and the cutter head (2) are made of CBN materials.
4. The CBN milling cutter with chip breaker according to claim 1, wherein: the novel knife handle is characterized in that the outer surface of the knife handle (1) is movably connected with the knife handle (8), a clamping groove (9) is formed in the middle of the inner side surface of the knife handle (8), and a clamping block (10) is fixedly connected with the other end of the knife handle (1).
5. The CBN milling cutter with chip breaker as recited in claim 4, wherein: one end of the knife handle (8) is fixedly connected with a screw tube (11), and the outer surface of the screw tube (11) is in threaded connection with a screw cap (12).
6. The CBN milling cutter with chip breaker according to claim 1, wherein: the middle part of the outer surface of the cutter bar (1) is fixedly connected with a limiting ring (13).
7. The CBN milling cutter with chip breaker as recited in claim 5, wherein: the two sides of the outer surface of the cutter bar (1) are provided with grooves (14), springs (15) are fixedly connected inside the grooves (14), one ends of the springs (15) are fixedly connected with bolts (16), and two sides of the outer surface of the spiral tube (11) are provided with limiting holes (17).
8. The CBN milling cutter with chip breaker as recited in claim 4, wherein: the inner parts of the knife handle (8), the knife bar (1) and the knife head (2) are provided with cooling liquid channels (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322262326.9U CN220330076U (en) | 2023-08-22 | 2023-08-22 | CBN milling cutter with chip breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322262326.9U CN220330076U (en) | 2023-08-22 | 2023-08-22 | CBN milling cutter with chip breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220330076U true CN220330076U (en) | 2024-01-12 |
Family
ID=89457478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322262326.9U Active CN220330076U (en) | 2023-08-22 | 2023-08-22 | CBN milling cutter with chip breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220330076U (en) |
-
2023
- 2023-08-22 CN CN202322262326.9U patent/CN220330076U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214053817U (en) | Alloy blade disc with hard cutting tool bit | |
| CN220330076U (en) | CBN milling cutter with chip breaker | |
| CN213672029U (en) | Hole machining cutter for numerical control machine tool | |
| CN112974943B (en) | Head exchange type rotary cutter | |
| CN214079462U (en) | T-shaped milling cutter for machining connecting rod big-head via hole | |
| CN217121890U (en) | Spiral end mill | |
| CN219900393U (en) | Coarse machining PCD milling cutter for dry cutting | |
| CN219093769U (en) | High-speed tool steel | |
| CN219465406U (en) | Machining tool | |
| CN220921022U (en) | Milling cutter with adjustable distance | |
| CN217252890U (en) | Multi-size combined cutting boring cutter | |
| CN216176919U (en) | Composite cutter for processing axial hole of camshaft | |
| CN220943351U (en) | Multi-edge micro-tooth milling cutter | |
| CN219093749U (en) | Multifunctional clamping cutter bar convenient for replacing cutter head | |
| CN215315773U (en) | Numerical control cutter convenient to installation stability is high | |
| CN214023645U (en) | Round pin centering double-limit side pressure locking tooth crown tool bit | |
| CN213196459U (en) | Hinge taper hole and chamfer integrated into one piece device | |
| CN210498524U (en) | T-shaped milling cutter with lengthened clamping handle | |
| CN217913001U (en) | Can avoid smooth silk and removable alloy drill bit of tool bit | |
| CN214720856U (en) | Multifunctional combined cutter for drilling, turning and milling | |
| CN215746813U (en) | Full grooving conducting bar cutter | |
| CN220006128U (en) | Combined spiral cutting tool | |
| CN218891188U (en) | Cutting tool for numerical control machine tool machining | |
| CN220739574U (en) | Drill bit for machining | |
| CN220659319U (en) | Hard alloy stepped drill with chip breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |