CN218487298U - Multi-edge milling cutter - Google Patents
Multi-edge milling cutter Download PDFInfo
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- CN218487298U CN218487298U CN202222814853.1U CN202222814853U CN218487298U CN 218487298 U CN218487298 U CN 218487298U CN 202222814853 U CN202222814853 U CN 202222814853U CN 218487298 U CN218487298 U CN 218487298U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides a multi-edge milling cutter, which comprises a cutter body and a blade; the cutter body comprises a cutting end and a mounting end, the cutting end is provided with a circular outer edge surface, and the mounting end is provided with a slot connected with the cutter handle; a plurality of V-shaped grooves are formed in the upper circumference of the circular outer edge surface at equal intervals, a blade mounting groove is formed in one side wall of each V-shaped groove and used for mounting a blade, and the blade is detachably mounted in the mounting groove; the blade is provided with a plurality of cutting edges, and part of the cutting edges of the blade are exposed out of the mounting groove; a chip groove for discharging chips is formed between the blade and the other side wall of the V-shaped groove; an included angle is formed between the circular outer edge surface of the cutter body and the cutting end surface, and the included angle ranges from 45 degrees to 90 degrees; the utility model discloses an improve the blade to the installation adaptability of the cutter body of different main declinations to and increase the cutting edge quantity of single blade, effectively reduced the purchase of blade kind and quantity, save the milling process cost greatly.
Description
Technical Field
The utility model relates to a cutting technical field especially relates to a many arriss mouthful milling cutter.
Background
A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. The angles of the milling cutter include a front angle, a rear angle, a main deflection angle, an auxiliary deflection angle, an edge inclination angle and the like. In order to meet different processing requirements, various angle combination types exist. The most important of the various angles are the main rake angle and the rake angle (both the main rake angle and the rake angle for the tool are generally specified in the manufacturer's product sample). The principal rake angle greatly affects the radial cutting force and the cutting depth. The magnitude of the radial cutting force directly affects the cutting power and the vibration resistance of the tool. The smaller the principal deflection angle of the milling cutter, the smaller the radial cutting force, the better the vibration resistance, but the cutting depth is also reduced.
The main deflection angle of a milling cutter is formed by the insert and the cutter body, and affects the cutting thickness, the cutting force and the life of the cutter. The main deflection angle (Kr) influences the magnitude of the cutting component, and increasing the main deflection angle can increase the radial cutting component and reduce the axial component; the main declination influences the roughness value of the processed surface, the main declination is increased, and the roughness value of the processed surface is increased; the main deflection angle shadow influences the durability of the cutter, the main deflection angle is increased, and the durability of the cutter is reduced; the principal run angle also affects the workpiece surface shape.
In the prior art, the workers replace different cutter bodies and the blades matched with the cutter bodies according to different milling requirements, in the prior art, the cutter bodies of milling cutters with different main declination angles have the blades matched with the cutter bodies with the corresponding matching, and in order to meet different milling requirements, a factory needs to purchase the cutter bodies with various blades matched with different main declination angles, so that the production and processing cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a many arris mouth milling cutter for the cutter body of solving different owner declination milling cutter among the prior art has its blade that corresponds the adaptation, and mill need purchase the cutter body that different owner declination is matchd to multiple blade for satisfy different milling process demands, make the problem of production and processing cost increase.
To achieve the above and other related objects, the present invention provides a milling cutter with multiple edges, comprising: a cutter body and a blade; the cutter body comprises a cutting end and a mounting end, the cutting end is provided with a circular outer edge surface, and the mounting end is provided with a slot connected with the cutter handle; a plurality of V-shaped grooves are formed in the upper circumference of the circular outer edge surface at equal intervals, one side wall of each V-shaped groove is provided with a mounting groove for mounting the blade, and the blade is detachably mounted in the mounting groove; the blade is formed with a plurality of cutting edges, and part of the cutting edges of the blade are exposed out of the mounting groove; a chip discharge groove for discharging chips is formed between the blade and the other side wall of the V-shaped groove; an included angle (equivalent to a main deflection angle of the milling cutter) is formed between the circular outer edge surface of the cutter body and the cutting end surface, and the included angle ranges from 45 degrees to 90 degrees.
In the design, the blades of the multi-edge milling cutter can be adapted to cutter bodies with different main deflection angles; the cutter body passes through the fastener and can dismantle the connection, conveniently installs the cutter body on the cutter body of different owner declinations to satisfy different cutting demands.
In an embodiment of the present invention, the blade is connected to the mounting groove by a fastener; the blade center is provided with a first mounting hole extending axially, the bottom of the mounting groove is provided with a second mounting hole, and the fastener penetrates through the first mounting hole and is fixedly connected with the second mounting hole.
In an embodiment of the present invention, the blade is a quadrangular prism structure, two end faces are disposed at two axial ends of the blade, and four side edges of the end faces respectively form four cutting edges.
In the design, the blade is provided with a plurality of cutting edges, different cutting edges can be switched by changing the installation angle of the blade, the utilization rate of the blade is improved, and the cost is effectively saved.
In an embodiment of the present invention, the lower side and the right side of the mounting groove are both provided with an opening, and the cutting edge at the opening extends out of the opening of the mounting groove.
In an embodiment of the present invention, the right angle seam in the mounting groove is provided with a stress groove for avoiding stress concentration.
In an embodiment of the present invention, the interior of the cutter body is provided with an interior cooling structure, the interior cooling structure includes a plurality of interior cooling channels, the inlet of the interior cooling channels is disposed in the slot of the mounting end, the outlet of the interior cooling channels is disposed on the slot wall of the corresponding chip removal groove.
As described above, the utility model discloses a many arriss mouth milling cutter has following beneficial effect:
(1) The blades of the multi-edge milling cutter of the utility model can be adapted to cutter bodies with different main deflection angles; the cutter bodies are detachably connected through the fasteners, so that the cutter bodies can be conveniently installed on the cutter bodies with different main deflection angles, and different cutting requirements can be met;
(2) The blade is provided with a plurality of cutting edges, different cutting edges can be switched by changing the installation angle of the blade, the utilization rate of the blade is improved, and the cost is effectively saved;
(3) Through the installation adaptability of the cutter body of the improvement blade to different principal declination to and the cutting edge quantity of increase single blade, effectively reduced the purchase of blade kind and quantity, save the milling process cost greatly.
Drawings
Fig. 1 is a schematic view showing an overall structure of a milling cutter with multiple edges according to embodiment 1 of the present invention;
fig. 2 is a schematic view showing the overall structure of a milling cutter with multiple edges according to embodiment 1 of the present invention (one blade is hidden);
fig. 3 is a schematic structural view of a blade and a bolt according to embodiment 1 of the present invention;
fig. 4 is a side view showing the overall structure of a multi-edged milling cutter according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a cutting end face of a milling cutter with multiple edges according to embodiment 1 of the present invention;
fig. 6 is a side view showing the overall structure of a multi-edged milling cutter according to embodiment 2 of the present invention;
fig. 7 is a schematic view of a cutting end face of a milling cutter with multiple edges according to embodiment 2 of the present invention;
fig. 8 is a side view showing the overall structure of a multi-edged milling cutter according to embodiment 3 of the present invention;
fig. 9 is a schematic view of a cutting end face of a multi-edged milling cutter according to embodiment 4 of the present invention.
Description of the element reference numerals
The cutter body 1, the cutting end 101, the mounting end 102, the blade 2, the bolt 3, the circular outer edge surface 4, the V-shaped groove 5, the mounting groove 6, the cutting edge 7, the chip groove 8, the smooth cambered surface 9, the stress groove 10, the first mounting hole 11, the second mounting hole 12 and the outlet 14.
Detailed Description
The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.
Please refer to fig. 1 to 9. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example 1:
referring to fig. 1 to 5, the present embodiment provides a multi-corner milling cutter, including: a cutter body 1 and a blade 2.
The cutter body 1 comprises a cutting end 101 and a mounting end 102, the cutting end 101 is provided with a circular outer edge surface 4, and the mounting end 102 is provided with a slot connected with the cutter handle; two through grooves matched with the transmission keys of the tool handles are formed in the end faces of the opening ends of the slots.
A plurality of V-shaped grooves 5 are formed in the upper circumference of the circular outer edge surface 4 at equal intervals, mounting grooves 6 for mounting the blades 2 are formed in one side walls of the V-shaped grooves 5, and the shapes of the mounting grooves 6 are matched with the shapes of the blades 2; the blade 2 is detachably mounted in the mounting groove 6.
Further, the blade 2 is connected with the mounting groove 6 through a fastener; in this embodiment, the fastener is bolt 3, and axially extending's first mounting hole 11 has been seted up at blade 2 center, and second mounting hole 12 has been seted up to the tank bottom of mounting groove 6, and bolt 3 runs through first mounting hole 11 to with second mounting hole 12 threaded connection.
The blade 2 is formed with a plurality of cutting edges 7, and part of the cutting edges 7 of the blade 2 are exposed out of the mounting groove 6; specifically, in the present embodiment, the insert 2 has a quadrangular prism structure, two end faces are provided at two axial ends of the insert 2, and four side edges of the two end faces respectively form four cutting edges 7. The downside and the right side of mounting groove 6 are the opening setting, and the cutting edge 7 that is located the opening part stretches out the opening of mounting groove 6. The blade 2 is provided with a plurality of cutting edges 7, and different cutting edges 7 can be switched by changing the installation angle of the blade 2, so that the utilization rate of the blade 2 is improved, and the cost is effectively saved.
In the present embodiment, a chip discharge groove 8 for discharging chips is formed between the insert 2 and the other side wall of the V-groove 5; the chip removal groove 8 is internally provided with a smooth cambered surface 9, and the smooth cambered surface 9 can effectively reduce the friction force between chips and the cutter body 1, so that the chip removal efficiency is improved.
In this embodiment, the circular outer edge surface 4 of the cutter body 1 forms an angle θ (corresponding to the principal rake angle of the milling cutter) with the cutting end 101 surface, the angle θ being 75. The 75-degree main deflection angle milling cutter is a universal cutter, has a wide application range and is particularly suitable for rough machining of plane milling.
Further, the right-angle seam in the mounting groove 6 is provided with a stress groove 10 for avoiding stress concentration.
In this embodiment, the cutter body 1 is internally provided with an internal cooling structure, the internal cooling structure includes a plurality of internal cooling channels, inlets of the internal cooling channels are disposed in the slots of the mounting end 102, and outlets 14 of the internal cooling channels are disposed on the groove walls of the corresponding chip grooves 8, specifically, the outlets 14 are located at opposite sides of the blade 2 and near the joint of the two side walls of the V-shaped groove 5, and the structure can effectively cool the milling cutter.
Example 2:
referring to fig. 6 to 7, the present embodiment provides a multi-corner milling cutter, including: a cutter body 1 and a blade 2; the difference between the multi-edge milling cutter of the present embodiment and the multi-edge milling cutter of embodiment 2 is that, in the present embodiment, the included angle θ (equivalent to the main deflection angle of the milling cutter) formed between the circular outer edge surface 4 of the cutter body 1 and the cutting end 101 surface is 45 °, the radial cutting force of such a milling cutter is greatly reduced and approximately equals to the axial cutting force, the cutting load is distributed on the longer cutting edge 7, and the multi-edge milling cutter has good vibration resistance and is suitable for the processing occasions where the spindle of the boring and milling machine is extended longer. When the cutter is used for processing a plane, the damage rate of the blade 2 is low, and the durability is high; when the iron casting is machined, the edge of the workpiece is not easy to break.
Example 3:
referring to fig. 8 to 9, the present embodiment provides a multi-corner milling cutter, including: a cutter body 1 and a blade 2; the multi-edged milling cutter of the present embodiment is different from the multi-edged milling cutters of embodiments 1 and 2 in that, in the present embodiment, an included angle θ (corresponding to a lead angle of the milling cutter) formed between the circular outer peripheral surface 4 of the cutter body 1 and the cutting end 101 surface is 88 °.
To sum up, the blades of the multi-edge milling cutter of the utility model can be adapted to cutter bodies with different main deflection angles; the cutter bodies are detachably connected through the fasteners, so that the cutter bodies can be conveniently installed on the cutter bodies with different main deflection angles, and different cutting requirements can be met; the blade is equipped with a plurality of cutting edges, and the installation angle of accessible change blade switches different cutting edges, has improved the utilization ratio of blade, has effectively saved the cost. Through the installation adaptability of the cutter body of the improvement blade to different principal declination to and the cutting edge quantity of increase single blade, effectively reduced the purchase of blade kind and quantity, save the milling process cost greatly. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (6)
1. A multi-flute milling cutter, comprising: a cutter body and a blade;
the cutter body comprises a cutting end and a mounting end, the cutting end is provided with a circular outer edge surface, and the mounting end is provided with a slot connected with the cutter handle;
a plurality of V-shaped grooves are formed in the upper circumference of the circular outer edge surface at equal intervals, one side wall of each V-shaped groove is provided with a mounting groove for mounting the blade, and the blade is detachably mounted in the mounting groove;
the blade is formed with a plurality of cutting edges, and part of the cutting edges of the blade are exposed out of the mounting groove;
a chip groove for discharging chips is formed between the blade and the other side wall of the V-shaped groove;
an included angle is formed between the circular outer edge surface of the cutter body and the cutting end surface, and the included angle ranges from 45 degrees to 90 degrees.
2. The multi-face milling cutter according to claim 1, wherein: the blade is connected with the mounting groove through a fastener; the center of the blade is provided with a first mounting hole extending axially, the bottom of the mounting groove is provided with a second mounting hole, and the fastener penetrates through the first mounting hole and is fixedly connected with the second mounting hole.
3. The multi-face milling cutter according to claim 1, wherein: the blade is a quadrangular structure, two end faces are arranged at two axial ends of the blade, and four side edges of the two end faces respectively form four cutting edges.
4. The multi-face milling cutter according to claim 1, wherein: the downside and the right side of mounting groove are the opening setting, are located the cutting edge of opening part stretches out the opening of mounting groove.
5. The multi-face milling cutter according to claim 1, wherein: and stress grooves for avoiding stress concentration are formed in the right-angle joint in the mounting groove.
6. The multi-face milling cutter according to claim 1, wherein: the inside cold structure that is equipped with of cutter body, the cold structure includes a plurality of interior cold chamber ways, the import of interior cold chamber way sets up in the slot of installation end, the export of interior cold chamber way sets up on the cell wall of the chip groove that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222814853.1U CN218487298U (en) | 2022-10-25 | 2022-10-25 | Multi-edge milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222814853.1U CN218487298U (en) | 2022-10-25 | 2022-10-25 | Multi-edge milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487298U true CN218487298U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222814853.1U Active CN218487298U (en) | 2022-10-25 | 2022-10-25 | Multi-edge milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487298U (en) |
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2022
- 2022-10-25 CN CN202222814853.1U patent/CN218487298U/en active Active
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