CN216462025U - Double-edged key groove milling cutter with hard alloy tool bit - Google Patents
Double-edged key groove milling cutter with hard alloy tool bit Download PDFInfo
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- CN216462025U CN216462025U CN202121320938.3U CN202121320938U CN216462025U CN 216462025 U CN216462025 U CN 216462025U CN 202121320938 U CN202121320938 U CN 202121320938U CN 216462025 U CN216462025 U CN 216462025U
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Abstract
The utility model discloses a double-edged key groove milling cutter with a hard alloy cutter head. The beneficial effects of the utility model are: be connected with the baffle through the pivot between cutter arbor and the tool bit, be convenient for block mill the sweeps and splash the junction of lathe and cutter arbor, cause destruction to the lathe, the surface of tool bit is provided with vertical chip groove and spiral chip groove, be convenient for will mill the sweeps and discharge, prevent that the sweeps from piling up on the workpiece surface, cause the influence to the accuracy of grooving, the tool bit adopts carbide material to make, be convenient for improve this milling cutter's hardness, through setting up horizontal length adjustment mechanism, be convenient for extend horizontal length adjustment mechanism's length according to the actual width of work piece, thereby guarantee to mill the sweeps can not splash the landing on the lathe, and also can make damper can carry out the shock attenuation on not unidimensional work piece, thereby improve milling cutter's life.
Description
Technical Field
The utility model relates to an alloy milling cutter, in particular to a double-edged key groove milling cutter with a hard alloy cutter head, and belongs to the technical field of cutting tools.
Background
With the continuous development of economy and the continuous progress of society, powerful financial resources and technical pillars are provided for the development of industrial enterprises, so that the industrial enterprises are promoted to develop towards the intelligent, numerical control and integrated directions. Wherein, in the numerical control processing, through installing milling cutter on the main shaft of digit control machine tool, go to drive milling cutter rotation by the rotation of the main shaft of digit control machine tool again to carry out the rotary cutting to the work piece by rotatory milling cutter, thereby very make things convenient for the digit control machine tool to carry out grooving processing, cut off processing etc. to the work piece, consequently, milling cutter is the cutter very commonly used in the numerical control processing, and keyway milling cutter is a machining tool who is used for processing the keyway.
Traditional milling cutter structure is used for adding man-hour, because milling cutter's length is too long, takes place the cutter relieving of sword way skew and the phenomenon of milling cutter vibrations easily to influence the quality of machining precision and processing product, moreover milling the in-process, the sweeps is piled up easily on the workpiece surface, makes the operator unable accurately observe the fluting progress, and the grooved rate of accuracy reduces moreover, and then influences work efficiency.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above problems by providing a double-edged key-groove milling cutter with cemented carbide inserts.
The utility model achieves the above purpose through the following technical scheme: the utility model provides a twolip keyway milling cutter with carbide tool bit, includes cutter arbor, installation head, tool bit and cutting edge, the last fixed surface of cutter arbor is connected with the installation head, and the downside rigid coupling of cutter arbor has the tool bit, the downside of tool bit is provided with the cutting edge, and the cutting edge is provided with two.
As a still further scheme of the utility model: and a baffle is connected between the cutter bar and the cutter head through a rotating shaft.
As a still further scheme of the utility model: the both sides of baffle rigid coupling respectively have horizontal length adjustment mechanism, horizontal length adjustment mechanism comprises fixed frame, commentaries on classics, gear one, gear two, threaded rod, swivel nut and telescopic cylinder, fixed frame rigid coupling is in the outside of baffle, and the fixed being provided with in the outside of fixed frame changes the handle, the downside of changeing the handle extends to fixed frame inside through the connecting axle to the rigid coupling has gear one, the downside gear engagement of gear one is connected with gear two, one side rigid coupling threaded rod of gear two, threaded connection has the swivel nut on the threaded rod, the outside of swivel nut and telescopic cylinder's inner wall rigid coupling.
As a still further scheme of the utility model: horizontal length adjustment mechanism's downside is provided with damper, damper is by fixed urceolus, shifting chute, fixed inner tube and spring, fixed urceolus rigid coupling is at the downside of fixed frame, and the inside of fixed urceolus is provided with the shifting chute, the inside sliding connection of shifting chute has fixed inner tube, and the rigid coupling has the spring between fixed inner tube and the shifting chute.
As a still further scheme of the utility model: the surface of the cutter head is provided with vertical chip grooves and spiral chip grooves.
As a still further scheme of the utility model: the tool bit is made of hard alloy materials.
The utility model has the beneficial effects that: this twolip keyway milling cutter with carbide tool bit reasonable in design, be connected with the baffle through the pivot between cutter arbor and the cutter head, be convenient for block mill the sweeps and splash the junction of lathe with the cutter arbor, cause the destruction to the lathe, the surface of cutter head is provided with vertical chip groove and spiral chip groove, be convenient for will mill the sweeps and discharge, prevent that the sweeps from piling up on the workpiece surface, cause the influence to the accuracy of grooving, the cutter head adopts carbide material to make, be convenient for improve this milling cutter's hardness, through setting up horizontal length adjustment mechanism, be convenient for extend horizontal length adjustment mechanism's length according to the actual width of work piece, thereby guarantee to mill the sweeps and can not splash on the lathe, and also can make damper can shock attenuation on not unidimensional work piece, thereby improve milling cutter's life.
Drawings
FIG. 1 is a schematic view of the overall construction of a keyway milling cutter according to the present invention;
FIG. 2 is a schematic view of a keyway cutter attachment configuration of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2;
fig. 4 is a schematic view of the internal structure of the damping mechanism according to the present invention.
In the figure: 1. the cutter comprises a cutter bar, 2, a mounting head, 3, a baffle, 4, a horizontal length adjusting mechanism, 5, a damping mechanism, 6, a vertical chip groove, 7, a spiral chip groove, 8, a cutter head, 9, a cutting edge, 10, a spring, 11, a fixing frame, 12, a rotating handle, 13, a first gear, 14, a second gear, 15, a threaded rod, 16, a threaded sleeve, 17, a telescopic cylinder, 18, a fixed outer cylinder, 19, a moving groove, 20 and a fixed inner cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 4, a double-edged keyway milling cutter with a cemented carbide insert comprises a cutter bar 1, an installation head 2, an insert 8 and two cutting edges 9, wherein the installation head 2 is fixedly connected to the upper surface of the cutter bar 1, the insert 8 is fixedly connected to the lower side of the cutter bar 1, the cutting edges 9 are arranged on the lower side of the insert 8, and the number of the cutting edges 9 is two.
Furthermore, in the embodiment of the utility model, the cutter bar 1 and the cutter head 8 are connected with the baffle plate 3 through the rotating shaft, so that milling scraps can be prevented from splashing to the connection part of the machine tool and the cutter bar 1, and the damage to the machine tool can be avoided.
Furthermore, in the embodiment of the utility model, two sides of the baffle 3 are respectively fixedly connected with a horizontal length adjusting mechanism 4, the horizontal length adjusting mechanism 4 is composed of a fixed frame 11, a rotating handle 12, a first gear 13, a second gear 14, a threaded rod 15, a threaded sleeve 16 and a telescopic cylinder 17, the fixed frame 11 is fixedly connected with the outer side of the baffle 3, and the outer side of the fixed frame 11 is fixedly provided with a rotating handle 12, the lower side of the rotating handle 12 extends into the fixed frame 11 through a connecting shaft, a first gear 13 is fixedly connected, a second gear 14 is connected with the lower side gear of the first gear 13 in a meshing way, a threaded rod 15 is fixedly connected to one side of the second gear 14, a threaded sleeve 16 is connected to the threaded rod 15 in a threaded manner, the outer side of the screw sleeve 16 is fixedly connected with the inner wall of the telescopic cylinder 17, so that the length of the horizontal length adjusting mechanism 4 can be conveniently extended according to the actual width of a workpiece, and milling scraps are prevented from splashing on a machine tool.
Furthermore, in the embodiment of the present invention, a damping mechanism 5 is disposed below the horizontal length adjusting mechanism 4, the damping mechanism 5 includes a fixed outer cylinder 18, a moving groove 19, a fixed inner cylinder 20 and a spring 10, the fixed outer cylinder 18 is fixedly connected to the lower side of the fixed frame 11, the moving groove 19 is disposed inside the fixed outer cylinder 18, the fixed inner cylinder 20 is slidably connected inside the moving groove 19, and the spring 10 is fixedly connected between the fixed inner cylinder 20 and the moving groove 19, so as to facilitate damping of the milling cutter during the key groove milling process, and improve the service life of the milling cutter.
Example two
Referring to fig. 1 to 4, a double-edged keyway milling cutter with a cemented carbide insert comprises a cutter bar 1, an installation head 2, an insert 8 and two cutting edges 9, wherein the installation head 2 is fixedly connected to the upper surface of the cutter bar 1, the insert 8 is fixedly connected to the lower side of the cutter bar 1, the cutting edges 9 are arranged on the lower side of the insert 8, and the number of the cutting edges 9 is two.
Further, in the embodiment of the utility model, the surface of the tool bit 8 is provided with the vertical chip removal groove 6 and the spiral chip removal groove 7, so that milling scraps can be conveniently discharged, and the scraps are prevented from being accumulated on the surface of a workpiece to influence the accuracy of the groove.
Further, in the embodiment of the present invention, the cutting head 8 is made of a hard alloy material, which facilitates to increase the hardness of the milling cutter.
The working principle is as follows: when the double-edge key slot milling cutter with the hard alloy cutter head is used, the milling cutter is connected with a machine tool through the mounting head 2, then the length of the horizontal length adjusting mechanism 4 is adjusted according to the actual size of a workpiece, so that the damping mechanism 5 can be fixed on the outer side surface of a groove of the workpiece, the range of an area which can be shielded by the baffle 3 can be extended, and then milling work can be carried out, in the milling process, the cutter head 8 can vibrate due to the fact that the milling cutter has a certain length, at the moment, the vibration of the cutter head 8 can be effectively reduced through the matching effect among the fixed outer cylinder 18, the movable groove 19, the fixed inner cylinder 20 and the spring 10, so that the vibration of the milling cutter is buffered, the service life of the milling cutter is prolonged, the vertical chip grooves 6 and the spiral chip grooves 7 are formed in the surface of the cutter head 8, milling waste chips are conveniently discharged, and are prevented from being accumulated on the surface of the workpiece, the accuracy of the grooving is influenced, the cutter head 8 is made of hard alloy materials, the hardness of the milling cutter is convenient to improve, and the baffle 3 is arranged, so that milling scraps are prevented from splashing to the joint of the machine tool and the cutter bar 1, and the machine tool is damaged.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. The utility model provides a twolip keyway milling cutter with carbide tool bit which characterized in that: the cutter comprises a cutter bar (1), an installing head (2), a cutter head (8) and two cutting edges (9), wherein the installing head (2) is fixedly connected to the upper surface of the cutter bar (1), the cutter head (8) is fixedly connected to the lower side of the cutter bar (1), the cutting edges (9) are arranged on the lower side of the cutter head (8), and the number of the cutting edges (9) is two;
a damping mechanism (5) is arranged on the lower side of the horizontal length adjusting mechanism (4), the damping mechanism (5) comprises a fixed outer cylinder (18), a moving groove (19), a fixed inner cylinder (20) and a spring (10), the fixed outer cylinder (18) is fixedly connected to the lower side of a fixed frame (11), the moving groove (19) is formed in the fixed outer cylinder (18), the fixed inner cylinder (20) is connected to the inside of the moving groove (19) in a sliding mode, and the spring (10) is fixedly connected between the fixed inner cylinder (20) and the moving groove (19); the surface of the cutter head (8) is provided with a vertical chip groove (6) and a spiral chip groove (7);
a baffle (3) is connected between the cutter bar (1) and the cutter head (8) through a rotating shaft;
two sides of the baffle (3) are respectively fixedly connected with a horizontal length adjusting mechanism (4), the horizontal length adjusting mechanism (4) is composed of a fixed frame (11), a rotating handle (12), a first gear (13), a second gear (14), a threaded rod (15), a threaded sleeve (16) and a telescopic cylinder (17), the fixed frame (11) is fixedly connected to the outer side of the baffle (3), and the outer side of the fixed frame (11) is fixedly provided with a rotating handle (12), the lower side of the rotating handle (12) extends into the fixed frame (11) through a connecting shaft, a first gear (13) is fixedly connected, a second gear (14) is meshed and connected with the lower side gear of the first gear (13), one side rigid coupling threaded rod (15) of gear two (14), threaded connection has swivel nut (16) on threaded rod (15), the outside of swivel nut (16) and the inner wall rigid coupling of a flexible section of thick bamboo (17).
2. A double-edged keyway milling cutter with cemented carbide inserts as set forth in claim 1, characterized in that: the tool bit (8) is made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320938.3U CN216462025U (en) | 2021-06-15 | 2021-06-15 | Double-edged key groove milling cutter with hard alloy tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121320938.3U CN216462025U (en) | 2021-06-15 | 2021-06-15 | Double-edged key groove milling cutter with hard alloy tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216462025U true CN216462025U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121320938.3U Active CN216462025U (en) | 2021-06-15 | 2021-06-15 | Double-edged key groove milling cutter with hard alloy tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216462025U (en) |
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2021
- 2021-06-15 CN CN202121320938.3U patent/CN216462025U/en active Active
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