CN218135225U - Double-edged ball-end milling cutter with good chip removal capability - Google Patents
Double-edged ball-end milling cutter with good chip removal capability Download PDFInfo
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- CN218135225U CN218135225U CN202221889964.2U CN202221889964U CN218135225U CN 218135225 U CN218135225 U CN 218135225U CN 202221889964 U CN202221889964 U CN 202221889964U CN 218135225 U CN218135225 U CN 218135225U
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Abstract
The utility model discloses a twolip ball end milling cutter that chip removal ability is good, including cutter arbor, tool bit and coupling assembling. The beneficial effects of the utility model are that: when the ball end mill is assembled, the cutter bar and the cutter head are quickly butted through the matching action of the limiting hole and the limiting column, then the fastening bolt arranged on the mounting plate is butted with the thread groove, and the fastening bolt is rotated, so that the cutter bar and the cutter head are fixed, the cutter bar and the cutter head are convenient to replace, and the use cost is reduced; when the ball-end milling cutter is used, the chip breaking grooves are formed between the two cutting edges at the lower end of the cutter head, waste chips generated by milling can be cut, the plurality of chip removing grooves are spirally formed in the surface of the cutter head, lubricating oil is smeared on the surface of the groove wall of each chip removing groove, the waste chips generated by milling can be timely cleaned, and the chip removing capacity of the chip removing grooves can be improved by arranging the lubricating oil.
Description
Technical Field
The utility model relates to a ball end milling cutter specifically is a twolip ball end milling cutter that chip removal ability is good, belongs to cutting tool technical field.
Background
The ball end mill is used for milling spherical surfaces, particularly for milling arc grooves and some shallow blind holes with inner ends in the spherical surfaces, the main action part of the ball end mill is that the front part of a cutter body is a spherical cutter head, so that the requirement on a cutting edge on the spherical cutter head is high, the smooth and steady cutting edge is required to ensure the stable work, the strong cutting capability is also required, and the double-edge ball end mill is widely applied.
When the existing double-edge ball-end milling cutter is used, the following defects often exist:
1) When some existing double-edge ball-end milling cutters are used, a cutter head and a cutter rod of the double-edge ball-end milling cutter are integrated, when one of the cutter head or the cutter rod is damaged, the whole cutter head or the cutter rod is required to be replaced, the use cost is increased, and waste is caused;
2) When some current twolip ball end mill use, mill the sweeps that produces and can't in time clear up, lead to the sweeps to pile up at the workpiece surface, influence and mill the precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a twolip ball end mill that chip removal ability is good just for solving above-mentioned at least one technical problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a double-edged ball-end milling cutter with good chip removal capability comprises
The cutter bar is arranged on the upper side of the ball-end milling cutter, the center of the upper end of the cutter bar is fixedly provided with a connector, and the surface of the connector is provided with connecting threads;
the cutter head is fixedly arranged at the lower end of the cutter rod, and two cutting edges are arranged on two sides of the lower end of the cutter head;
and the connecting assembly is arranged at the joint of the cutter bar and the cutter head and comprises mounting grooves formed in the side walls of the two sides of the cutter bar and the two side walls of the cutter head and mounting plates mounted inside the mounting grooves.
As a further aspect of the present invention: the surface spiral of tool bit is provided with many chip grooves, and the cell wall surface of chip groove has scribbled lubricating oil.
As the utility model discloses further scheme again: the lower end of the cutter head is positioned between the two cutting edges and is provided with a chip breaker groove.
As the utility model discloses further scheme again: the cutter bar and the cutter head are both made of hard alloy materials.
As a further aspect of the present invention: and a layer of anti-corrosion coating is arranged on the side wall of the outer side of the cutter bar.
As the utility model discloses further scheme again: spacing holes are symmetrically formed in the two inner sides of the lower surface of the cutter bar, spacing columns matched with the spacing holes are symmetrically arranged on the two sides of the upper surface of the cutter head, threaded grooves are formed in the inner side groove walls of the mounting grooves, and fastening bolts matched with the threaded grooves are in threaded connection with the two sides of the mounting plate.
The utility model has the advantages that:
1) When the ball end mill is assembled, the cutter bar and the cutter head are quickly butted through the matching action of the limiting hole and the limiting column, then the fastening bolt arranged on the mounting plate is butted with the thread groove, and the fastening bolt is rotated, so that the cutter bar and the cutter head are fixed, the cutter bar and the cutter head are convenient to replace, and the use cost is reduced;
2) The utility model discloses bulb milling cutter has seted up the chip-breaker between being located two cutting edges through the lower extreme at the tool bit when using, can cut the sweeps that mills the production, is provided with many chip grooves at the surperficial spiral of tool bit moreover, and the cell wall surface of chip groove has paintd lubricating oil, can in time clear up the sweeps that mills the production, moreover through setting up lubricating oil, can improve the chip removal ability of chip groove.
Drawings
FIG. 1 is a schematic view of the structure of the double-edged ball-end milling cutter of the present invention;
FIG. 2 is the utility model discloses twolip ball end mill disassembles the structure schematic diagram
FIG. 3 is a schematic view of the connection structure of the double-edged ball-end milling cutter of the present invention;
fig. 4 is the top view section structure diagram of the double-edged ball-end milling cutter arbor of the utility model.
In the figure: 1. the tool comprises a tool bar, 2, a connector, 3, a connecting thread, 4, a tool bit, 5, a chip groove, 6, a cutting edge, 7, a chip breaker groove, 8, a mounting groove, 9, a limiting hole, 10, a limiting column, 11, a liquid inlet hole, 12, a mounting plate, 13, a fastening bolt, 14, a connecting assembly, 15, an anti-corrosion coating, 16 and a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 4, a double-edged ball-end milling cutter with good chip removal capability comprises
The cutter bar 1 is arranged on the upper side of the ball-end milling cutter, the center of the upper end of the cutter bar 1 is fixedly provided with a connector 2, and the surface of the connector 2 is provided with a connecting thread 3;
the cutter head 4 is fixedly arranged at the lower end of the cutter bar 1, cutting edges 6 are arranged on two sides of the lower end of the cutter head, and two cutting edges 6 are arranged;
and the connecting assembly 14 is arranged at the joint of the cutter bar 1 and the cutter head 4 and comprises a mounting groove 8 formed on the side walls of the two sides of the cutter bar 1 and the cutter head 4 and a mounting plate 12 mounted inside the mounting groove 8.
The embodiment of the utility model provides an in, be provided with one deck corrosion resistant coating 15 on the outside lateral wall of cutter arbor 1, can improve this milling cutter's corrosion resistance, and then improve this milling cutter's life.
The embodiment of the utility model provides an in, spacing hole 9 has been seted up to the inside symmetry of lower surface both sides of cutter arbor 1, the upper surface bilateral symmetry of tool bit 4 install with spacing hole 9 matched with spacing post 10, threaded groove 16 has been seted up outward to the inside wall of groove of mounting groove 8, and the both sides threaded connection of mounting panel 12 has with threaded groove 16 matched with fastening bolt 13, when the equipment, dock cutter arbor 1 and cutter bit 4 fast through spacing hole 9 and spacing post 10's mating reaction, then dock fastening bolt 13 and threaded groove 16 that set up on the mounting panel 12, through rotatory fastening bolt 13, thereby realize fixed between cutter arbor 1 and the cutter bit 4, the convenience is changed cutter arbor 1 and cutter bit 4.
Example two
As shown in fig. 1 to 4, a double-edged ball-end milling cutter with good chip removal capability includes
The cutter bar 1 is arranged on the upper side of the ball-end milling cutter, the center of the upper end of the cutter bar 1 is fixedly provided with a connector 2, and the surface of the connector 2 is provided with a connecting thread 3;
the cutter head 4 is fixedly arranged at the lower end of the cutter bar 1, two cutting edges 6 are arranged on two sides of the lower end of the cutter head, and two cutting edges 6 are arranged;
and the connecting assembly 14 is arranged at the joint of the cutter bar 1 and the cutter head 4 and comprises a mounting groove 8 formed on the side walls of the two sides of the cutter bar 1 and the cutter head 4 and a mounting plate 12 mounted inside the mounting groove 8.
The embodiment of the utility model provides an in, the surperficial spiral of tool bit 4 is provided with many chip grooves 5, and the cell wall surface of chip groove 5 has paintd lubricating oil, can in time clear up the sweeps that mills the production, moreover through setting up lubricating oil, can improve chip removal ability of chip groove 5.
The embodiment of the utility model provides an in, the lower extreme of tool bit 4 is located and has seted up chip breaker 7 between two cutting edges 6, can cut the sweeps that mills the production to the convenience is discharged the sweeps through chip breaker 5.
The embodiment of the utility model provides an in, cutter arbor 1 and tool bit 4 all adopt carbide material to make, can improve the self hardness of this cutter, and then improve its wear resistance.
The working principle is as follows: when the double-edge ball-end milling cutter with good chip removal capability is used, the milling cutter is firstly assembled, when the milling cutter is assembled, the cutter bar 1 and the cutter head 4 are in butt joint rapidly through the cooperation of the limiting hole 9 and the limiting column 10, then the fastening bolt 13 arranged on the mounting plate 12 is in butt joint with the thread groove 16, the fastening bolt 13 is rotated, so that the cutter bar 1 and the cutter head 4 are fixed, the cutter bar 1 and the cutter head 4 are convenient to replace, then the assembled milling cutter is connected with a machine tool through the connector 2, a workpiece can be milled, generated waste chips are cut off through the chip breaking groove 7 when the milling cutter is milled, then the cut waste chips are timely cleaned through the chip removing groove 5, in addition, the chip removal capability of the chip removing groove 5 can be improved through the arrangement of lubricating oil, in addition, the corrosion resistance of the milling cutter can be improved through the arrangement of the corrosion-resistant coating 15 on the outer side wall of the cutter bar 1, and the service life of the milling cutter can be further prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. A double-edged ball-end milling cutter with good chip removal capability is characterized by comprising
The cutter bar (1) is arranged on the upper side of the ball-end milling cutter, the center of the upper end of the cutter bar is fixedly provided with a connector (2), and the surface of the connector (2) is provided with a connecting thread (3);
the cutter head (4) is fixedly arranged at the lower end of the cutter bar (1), two cutting edges (6) are arranged on two sides of the lower end of the cutter head, and two cutting edges (6) are arranged;
the connecting assembly (14) is arranged at the connecting part of the cutter bar (1) and the cutter head (4) and comprises mounting grooves (8) formed in the side walls of the two sides of the cutter bar (1) and the cutter head (4) and mounting plates (12) mounted inside the mounting grooves (8).
2. The double-edged ball-end milling cutter with good chip removal capability according to claim 1, wherein: the surface of the tool bit (4) is spirally provided with a plurality of chip grooves (5), and lubricating oil is coated on the surface of the groove wall of each chip groove (5).
3. The double-edged ball-end milling cutter with good chip removal capability according to claim 1, wherein: the lower end of the cutter head (4) is positioned between the two cutting edges (6) and is provided with a chip breaker groove (7).
4. The double-edged ball-end milling cutter with good chip removal capability according to claim 1, wherein: the cutter bar (1) and the cutter head (4) are both made of hard alloy materials.
5. The double-edged ball-end milling cutter with good chip removal capability according to claim 1, wherein: and a layer of anti-corrosion coating (15) is arranged on the side wall of the outer side of the cutter bar (1).
6. The double-edged ball-end milling cutter with good chip removal capability according to claim 1, wherein: spacing hole (9) have been seted up to the inside symmetry in lower surface both sides of cutter arbor (1), the upper surface bilateral symmetry of tool bit (4) install with spacing hole (9) matched with spacing post (10), the interior lateral wall of mounting groove (8) is opened outward and is equipped with thread groove (16), and the both sides threaded connection of mounting panel (12) has fastening bolt (13) with thread groove (16) matched with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889964.2U CN218135225U (en) | 2022-07-21 | 2022-07-21 | Double-edged ball-end milling cutter with good chip removal capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889964.2U CN218135225U (en) | 2022-07-21 | 2022-07-21 | Double-edged ball-end milling cutter with good chip removal capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218135225U true CN218135225U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221889964.2U Active CN218135225U (en) | 2022-07-21 | 2022-07-21 | Double-edged ball-end milling cutter with good chip removal capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218135225U (en) |
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2022
- 2022-07-21 CN CN202221889964.2U patent/CN218135225U/en active Active
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