CN217018766U - Two-edge powerful ultra-short edge type hard alloy milling cutter - Google Patents
Two-edge powerful ultra-short edge type hard alloy milling cutter Download PDFInfo
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- CN217018766U CN217018766U CN202220303819.5U CN202220303819U CN217018766U CN 217018766 U CN217018766 U CN 217018766U CN 202220303819 U CN202220303819 U CN 202220303819U CN 217018766 U CN217018766 U CN 217018766U
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Abstract
The utility model relates to the technical field of milling cutters and discloses a two-edge powerful ultra-short-edge hard alloy milling cutter which comprises a milling cutter handle end, wherein a first connecting hole and a second connecting hole are formed in the milling cutter handle end, a connecting rod is arranged in the first connecting hole, a chip groove is formed in the upper end of the connecting rod, and a milling side cutter is arranged on the outer side of the chip groove. This powerful ultrashort sword type carbide milling cutter of two swords, connecting hole one and connecting hole two have been seted up respectively to the both ends of milling cutter handle end, the chip groove passes through the connecting rod and links to each other with connecting hole one, install the screw rod in the connecting hole two, the screw rod links to each other with the connecting rod, fix the chip groove, the convenience is carried out the dismouting change to the chip groove, the commonality of protecting crust has been improved simultaneously, the chip groove is by the inlayer, intermediate layer and outer three kinds of materials are constituteed, the side sword that mills in the outside adopts tungsten-cobalt carbide, compare in traditional milling cutter, hardness is higher, the wearability is better, milling cutter's life has been improved.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a double-edge strong ultrashort-edge hard alloy milling cutter.
Background
A milling cutter is a rotary cutter having one or more teeth for milling, which is used to cut off the allowance of a workpiece intermittently in sequence during operation, and is mainly used to machine planes, steps, grooves, formed surfaces, cut off workpieces, and the like on a milling machine.
Present most milling cutter's material is single, by high-speed tool steel preparation, hardness and wearability can not obtain further promotion, and milling cutter structure as an organic whole, and the cutting part is vulnerable part, can't carry out the dismouting and change, and according to not unidimensional milling cutter, need prepare not unidimensional protecting crust, and use cost is higher.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a two-edge strong ultrashort-edge hard alloy milling cutter, which aims to solve the problems that most milling cutters in the background technology are single in material, made of high-speed tool steel, cannot further improve the hardness and the wear resistance, are of an integrated structure, cannot be disassembled and replaced due to the fact that a cutting part is a vulnerable part, and are high in use cost due to the fact that protective shells with different sizes need to be prepared according to milling cutters with different sizes.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a two-edge strong ultrashort-edge hard alloy milling cutter comprises a milling cutter handle end, wherein a first connecting hole and a second connecting hole are formed in the milling cutter handle end, a connecting rod is arranged in the first connecting hole, a chip discharge groove is formed in the upper end of the connecting rod, a milling side cutter is arranged on the outer side of the chip discharge groove, a threaded hole is formed in the lower end of the connecting rod, a screw rod is arranged in the second connecting hole, the chip discharge groove comprises an inner layer, an interlayer and an outer layer, the inner layer is made of high-speed steel, the interlayer is made of silicon nitride ceramic, the outer layer is made of a titanium nitride coating, the high-speed steel is tool steel with high hardness, high wear resistance and high heat resistance, the silicon nitride ceramic has the properties of high strength, low density, high temperature resistance and the like, the titanium nitride coating is harder, more compact and more high temperature resistant compared with a common coating, the interlayer improves the wear resistance of the inner layer, meanwhile, the production cost is reduced, and the strength, the wear resistance and the chemical property of the surface of the chip groove are further improved by the outer layer.
Preferably, a knob is arranged at the lower end of the screw, a lower shell is arranged on the outer side of the handle end of the milling cutter, a through hole is formed in the lower shell, an upper shell is arranged on the outer side of the upper end of the lower shell, a clamping block is arranged on the outer side of the lower shell, and a spongy cushion is arranged at the upper end of the inner portion of the upper shell.
Preferably, the inner diameter of the first connecting hole is larger than that of the second connecting hole, the circle centers of the milling cutter handle end, the first connecting hole and the second connecting hole are located on the same vertical line, the connecting rod is sleeved on the inner side of the first connecting hole, and the connecting rod at the lower end of the chip discharge groove is arranged in the first connecting hole.
Preferably, the circle center of chip groove and the circle center of connecting rod are located same vertical line, stable in structure.
Preferably, the milling side cutters are annularly arranged on the outer side of the chip groove, the milling side cutters are made of tungsten-cobalt hard alloy, and compared with the traditional high-speed steel side cutters, the milling side cutters are higher in hardness and longer in service life.
Preferably, the circle center of the threaded hole and the circle center of the connecting rod are located on the same vertical line, the screw rod is installed on the inner side of the second connecting hole in a sleeved mode and is in threaded connection with the threaded hole, the screw rod penetrates through the second connecting hole, and the knob is rotated to enable the screw rod to be located inside the threaded hole to fix the connecting rod.
Preferably, the milling cutter handle end is in sleeve connection with the inner side of the lower shell, the knob is arranged in the through hole in a sleeved mode, the upper shell is arranged on the outer side of the lower shell in a sleeved mode, the two clamping blocks are symmetrically arranged on the outer side of the lower shell and are connected with the upper shell in a clamped mode, the milling cutter handle end is arranged in the lower shell, the upper shell is arranged at the upper end of the lower shell in a sleeved mode, and the clamping blocks prevent the upper shell from falling off.
Compared with the prior art, the utility model has the beneficial effects that: this powerful ultrashort sword type carbide milling cutter of two swords, connecting hole one and connecting hole two have been seted up respectively to the both ends of milling cutter handle end, the chip groove passes through the connecting rod and links to each other with connecting hole one, mountable screw rod in the connecting hole two, the screw rod links to each other with the connecting rod, play the fixed action to the chip groove, the convenience is carried out the dismouting to the chip groove and is changed, the commonality of protecting crust has been improved simultaneously, the chip groove is by the inlayer, intermediate layer and outer three kinds of materials are constituteed, the side sword that mills in the outside adopts tungsten cobalt class carbide, compare in traditional milling cutter, hardness is higher, the wearability is better, milling cutter's life has been improved.
Drawings
FIG. 1 is a schematic perspective view of the shank end and chip groove of the milling cutter of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a front view of the shank end and flutes of the milling cutter of the present invention;
FIG. 5 is a schematic view of the internal structure of a chip groove of the present invention;
FIG. 6 is a schematic cross-sectional view of the present invention.
In the figure: 1. a milling cutter shank end; 2. a first connecting hole; 3. a second connecting hole; 4. a connecting rod; 5. a chip groove; 501. an inner layer; 502. an interlayer; 503. an outer layer; 6. milling a side cutter; 7. a threaded hole; 8. a screw; 9. a knob; 10. a lower housing; 11. a through hole; 12. an upper housing; 13. a clamping block; 14. a spongy cushion.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a two-edge strong ultrashort-edge hard alloy milling cutter comprises a milling cutter handle end 1, a first connecting hole 2, a second connecting hole 3, a connecting rod 4, a chip groove 5, an inner layer 501, an interlayer 502, an outer layer 503, a milling side cutter 6, a threaded hole 7, a screw rod 8, a knob 9, a lower shell 10, a through hole 11, an upper shell 12, a fixture block 13 and a spongy cushion 14, wherein the first connecting hole 2 and the second connecting hole 3 are arranged inside the milling cutter handle end 1, the inner diameter of the first connecting hole 2 is larger than that of the second connecting hole 3, the circle centers of the first milling cutter handle end 1, the first connecting hole 2 and the second connecting hole 3 are located on the same vertical line, the connecting rod 4 is arranged inside the first connecting hole 2, the connecting rod 4 is installed on the inner side of the first connecting hole 2 in a sleeved mode, and the connecting rod 4 at the lower end of the chip groove 5 is installed inside the first connecting hole 2;
the upper end of the connecting rod 4 is provided with a chip groove 5, the circle center of the chip groove 5 and the circle center of the connecting rod 4 are located on the same vertical line, the chip groove 5 comprises an inner layer 501, an interlayer 502 and an outer layer 503, the inner layer 501 specifically adopts high-speed steel, the interlayer 502 specifically adopts silicon nitride ceramic, the outer layer 503 specifically adopts a titanium nitride coating, the outer side of the chip groove 5 is provided with two milling side cutters 6, the milling side cutters 6 are annularly arranged on the outer side of the chip groove 5, the milling side cutters 6 specifically adopt tungsten-cobalt hard alloy, the high-speed steel is tool steel with high hardness, high wear resistance and high heat resistance, the silicon nitride ceramic has the properties of high strength, low density, high temperature resistance and the like, the titanium nitride coating is harder, more compact and more high temperature resistant compared with a common coating, the interlayer 502 improves the wear resistance of the inner layer 501, the production cost is reduced at the same time, the outer layer 503 further improves the strength of the surface of the chip groove 5, The milling side cutter 6 has higher hardness and longer service life compared with the traditional high-speed steel side cutter, the screw 8 penetrates through the connecting hole II 3, and the knob 9 is rotated to enable the screw 8 to reach the inside of the threaded hole 7, so that the connecting rod 4 is fixed;
the lower end of the connecting rod 4 is provided with a threaded hole 7, the circle center of the threaded hole 7 and the circle center of the connecting rod 4 are positioned on the same vertical line, a screw 8 is arranged inside the connecting hole two 3, the screw 8 is sleeved and installed on the inner side of the connecting hole two 3, the screw 8 is in threaded connection with the threaded hole 7, the lower end of the screw 8 is provided with a knob 9, the outer side of the milling cutter handle end 1 is provided with a lower shell 10, the inner side of the lower shell 10 is provided with a through hole 11, the outer side of the upper end of the lower shell 10 is provided with an upper shell 12, the outer side of the lower shell 10 is provided with a fixture block 13, the upper end of the inner side of the upper shell 12 is provided with a sponge pad 14, the inner sides of the milling cutter handle end 1 and the lower shell 10 are in sleeved and connected, the knob 9 is sleeved and installed inside the through hole 11, the upper shell 12 is sleeved and installed on the outer side of the lower shell 10, two fixture blocks 13 are symmetrically arranged on the outer side of the lower shell 10, and the fixture block 13 is connected with the upper shell 12 in a clamping manner, the milling cutter handle end 1 is arranged in the lower shell 10, the upper shell 12 is sleeved at the upper end of the lower shell 10, and the fixture block 13 prevents the upper shell 12 from falling off.
The working principle is as follows: firstly, the upper shell 12 is moved out upwards, the milling cutter handle end 1 is taken out of the lower shell 10, the connecting rod 4 at the bottom of the chip groove 5 is sleeved in the connecting hole I2, the screw rod 8 is sleeved in the connecting hole II 3, the knob 9 is rotated to drive the screw rod 8 to rotate into the threaded hole 7, the chip groove 5 is fixed after being screwed, after the milling cutter handle end 1 is sleeved in the lower shell 10 after use, the knob 9 at the bottom is clamped in the through hole 11, the upper shell 12 is sleeved at the upper end of the lower shell 10, and the fixture block 13 prevents the upper shell 12 from falling off and plays a role in protecting the milling cutter.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a powerful ultrashort sword type carbide milling cutter of two swords, includes milling cutter handle end (1), its characterized in that: the milling cutter handle end comprises a milling cutter handle end body (1), and is characterized in that the inside of the milling cutter handle end body (1) is provided with a first connecting hole (2) and a second connecting hole (3), the inside of the first connecting hole (2) is provided with a connecting rod (4), the upper end of the connecting rod (4) is provided with a chip groove (5), the outer side of the chip groove (5) is provided with a milling side cutter (6), a threaded hole (7) is formed in the lower end of the connecting rod (4), a screw rod (8) is arranged inside the second connecting hole (3), the chip groove (5) comprises an inner layer (501), an interlayer (502) and an outer layer (503), the inner layer (501) is made of high-speed steel, the interlayer (502) is made of silicon nitride ceramics, and the outer layer (503) is made of titanium nitride coatings.
2. A two-edge power ultra-short edge cemented carbide milling cutter as claimed in claim 1, wherein: the milling cutter is characterized in that a knob (9) is arranged at the lower end of the screw (8), a lower shell (10) is arranged on the outer side of the milling cutter handle end (1), a through hole (11) is formed in the lower shell (10), an upper shell (12) is arranged on the outer side of the upper end of the lower shell (10), a clamping block (13) is arranged on the outer side of the lower shell (10), and a spongy cushion (14) is arranged on the upper end of the inner portion of the upper shell (12).
3. A two-edge strong ultra-short edge cemented carbide milling cutter as claimed in claim 1, wherein: the internal diameter of connecting hole (2) is greater than the internal diameter of connecting hole two (3), the centre of a circle of milling cutter handle end (1), connecting hole one (2) and connecting hole two (3) is located same vertical line, connecting rod (4) cup joint the inboard of installing in connecting hole one (2).
4. A two-edge strong ultra-short edge cemented carbide milling cutter as claimed in claim 1, wherein: the circle center of the chip groove (5) and the circle center of the connecting rod (4) are located on the same vertical line.
5. A two-edge strong ultra-short edge cemented carbide milling cutter as claimed in claim 1, wherein: two milling side cutters (6) are arranged on the outer side of the chip groove (5) in an annular mode, and the milling side cutters (6) are made of tungsten-cobalt hard alloy.
6. A two-edge power ultra-short edge cemented carbide milling cutter as claimed in claim 2, wherein: the circle center of the threaded hole (7) and the circle center of the connecting rod (4) are located on the same vertical line, the screw rod (8) is sleeved and installed on the inner side of the second connecting hole (3), and the screw rod (8) is in threaded connection with the threaded hole (7).
7. A two-edge power ultra-short edge cemented carbide milling cutter as claimed in claim 2, wherein: the milling cutter is characterized in that the milling cutter handle end (1) is in sleeve connection with the inner side of the lower shell (10), the knob (9) is arranged in the through hole (11) in a sleeved mode, the upper shell (12) is arranged on the outer side of the lower shell (10) in a sleeved mode, two clamping blocks (13) are symmetrically arranged on the outer side of the lower shell (10), and the clamping blocks (13) are connected with the upper shell (12) in a clamped mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220303819.5U CN217018766U (en) | 2022-02-15 | 2022-02-15 | Two-edge powerful ultra-short edge type hard alloy milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220303819.5U CN217018766U (en) | 2022-02-15 | 2022-02-15 | Two-edge powerful ultra-short edge type hard alloy milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217018766U true CN217018766U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220303819.5U Active CN217018766U (en) | 2022-02-15 | 2022-02-15 | Two-edge powerful ultra-short edge type hard alloy milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217018766U (en) |
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2022
- 2022-02-15 CN CN202220303819.5U patent/CN217018766U/en active Active
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