CN223848173U - Combined cutter for groove machining - Google Patents
Combined cutter for groove machiningInfo
- Publication number
- CN223848173U CN223848173U CN202520305787.6U CN202520305787U CN223848173U CN 223848173 U CN223848173 U CN 223848173U CN 202520305787 U CN202520305787 U CN 202520305787U CN 223848173 U CN223848173 U CN 223848173U
- Authority
- CN
- China
- Prior art keywords
- cutter
- bar body
- mounting section
- cutter blade
- cutter bar
- 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.)
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- Cutting Tools, Boring Holders, And Turrets (AREA)
- Milling Processes (AREA)
Abstract
A groove machining combined cutter belongs to the technical field of machining cutters and comprises a cutter bar body, one end of the cutter bar body is a driving clamping end, a cutter blade mounting section is arranged on the cutter bar body and is integrally in a rod-shaped structure and coaxially arranged at one end of the cutter bar body, the diameter of the cutter blade mounting section is smaller than that of the cutter bar body, one end, deviating from the cutter bar body, of the cutter blade mounting section is a locking end, a locking nut is arranged on the locking end, a plurality of cutter blades are arranged on the cutter blade mounting section, and a plurality of gaskets are arranged between two adjacent cutter blades and between the cutter blades and the cutter bar body and the locking nut respectively. The diameter of the cutter bar body is larger than that of the cutter blade mounting section to form a step for pressing the cutter blade, the cutter blade is clamped and fixed by the cooperation of the locking nut and the locking end on the other side, and when the workpiece is subjected to grooving processing, a gasket at the outer side of the cutter blade at the edge can block the amplitude of a part of the cutter blade, so that the radial runout or vibration of the locking end is reduced, and the processing precision is improved.
Description
Technical Field
The utility model belongs to the technical field of machining tools, and particularly relates to a combined tool for machining a groove.
Background
A milling cutter is a rotary tool for milling machining having one or more cutter teeth. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines. The overhang amount of the cutter on the main shaft is as short as possible, and the influence of the axis of the milling cutter and the position of the workpiece on impact load is reduced. In summary, the milling cutter is an important cutting tool and has wide application in the field of metal processing. The proper milling cutter is selected and used and maintained correctly, which has important significance for improving the processing efficiency and the processing quality.
In the processing of parts, parts (figure 1) which are required to be processed in multiple grooves with different groove widths, groove depths and groove distances are frequently encountered, a single-blade milling cutter is adopted in a traditional processing mode, saw blade milling cutters with different thicknesses are replaced on CNC through a tool magazine, a plurality of grooves are separately and independently processed, and the groove distances and the groove depths are controlled to be processed through X-axis and Y-axis movement. The mode needs multiple tool changing and multiple feeding, and the processing efficiency is low.
The prior patent (CN 206373419U) discloses a grooving cutter with a plurality of layers of blades, wherein the cutter bar is provided with the plurality of layers of blades, and gaskets are arranged between the adjacent blades, so that a plurality of side grooves can be machined on a workpiece at one time, and the machining efficiency is improved. However, in the structure, the plurality of blades are arranged on the cutter bar, so that radial runout and vibration amplitude of the guide rod in the rotating process can be increased, and the machining precision of the groove body is reduced.
The saw blade milling cutter with different diameters and different thicknesses is designed by analyzing the groove width, the groove depth and the groove distance of the parts, and the gasket and the cutter bar with different thicknesses are added for combination. The cutter can be fed once, a plurality of grooves are machined at the same time, the machining efficiency is greatly improved, and meanwhile, the manufacturing cost of the cutter is reduced.
Disclosure of utility model
The utility model provides a combined cutter for groove machining, which aims to solve the problem that a cutter bar with a plurality of cutter bodies assembled in the prior art is easy to have large radial runout and poor machining precision caused by vibration.
The utility model is realized by the following technical scheme:
The groove machining combined cutter comprises a cutter bar body, wherein one end of the cutter bar body is a driving clamping end, a cutter blade mounting section is arranged on the cutter bar body, the cutter blade mounting section is integrally in a rod-shaped structure and coaxially arranged at one end of the cutter bar body, and the diameter of the cutter blade mounting section is smaller than that of the cutter bar body;
The cutter blade mounting section is provided with a plurality of cutter blades, and a plurality of gaskets are arranged between two adjacent cutter blades and between the cutter blades and the cutter bar body and the lock nut respectively.
The diameter of the cutter bar body is larger than that of the cutter blade mounting section to form a step for pressing the cutter blade, the other side of the cutter bar body is matched with the locking end through the locking nut to clamp and fix the cutter blade, gaskets are arranged between the cutter bar body and the locking nut and the cutter blade at the side respectively, when the cutter blade cuts a workpiece, the gaskets at the outer side of the cutter blade at the side can block the amplitude of a part of the cutter blade at the side, the radial runout or vibration of the locking end is reduced, and the cutter bar is beneficial to improving the machining precision.
According to a further improvement of the utility model, the shim is made of metal, and the hardness of the milling cutter blade and the cutter bar body is greater than that of the shim. When the axial connection, avoid between the milling cutter blade, milling cutter blade and cutter arbor body lug connection, play shock attenuation effect that can be better, and when milling cutter blade and cutter arbor body cooperation use, can not damage blade and cutter arbor, prolonged blade and cutter arbor life.
In addition, the gasket is made of 45# quenched and tempered steel.
In addition, the cutter bar body is made of alloy tool steel. The milling cutter has better rigidity, can effectively reduce vibration caused by cutting of the milling cutter blade, prolongs the service life of the cutter and improves the processing quality of workpieces.
The utility model further improves that the locking end is provided with a left-handed external thread which is opposite to the rotation direction of the cutter bar body. The milling cutter blade has the advantages that the locking force is larger and larger in the cutting process, the milling cutter blade cannot loosen, the milling cutter blade can be well fastened no matter the cutter bar is thick or thin, threads and the cutter bar body are machined at the same time, the coaxiality of the threaded connection part and the cutter bar can be guaranteed, the locking force is uniform, and the precision of the cutter bar body is improved.
A further development of the utility model provides that the plurality of milling inserts are identical, not identical or all different in size. Realizing the processing of the groove bodies with different specifications.
According to the technical scheme, the cutter bar has the beneficial effects that the diameter of the cutter bar body is larger than that of the cutter blade mounting section to form a step for pressing the cutter blade, the other side of the cutter bar body is matched with the locking end through the locking nut to clamp and fix the cutter blade, gaskets are arranged between the cutter bar body and the locking nut and the cutter blade at the side respectively, when the cutter blade cuts a workpiece, the gaskets at the outer side of the cutter blade at the most side can block part of the amplitude of the cutter blade, the radial runout or vibration of the locking end is reduced, and the machining precision is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a prior art tool assembly.
Fig. 2 is a schematic structural view of an embodiment of the present utility model.
Fig. 3 is a schematic view of a cutter bar body according to an embodiment of the present utility model.
FIG. 4 is a schematic cross-sectional view of a groove on a workpiece to be machined.
In the drawing, 10, a cutter bar body, 11, a driving clamping end, 12, a locking end, 13, a blade mounting section, 20, a milling cutter blade, 30, a gasket, 40 and a locking nut.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
The utility model discloses a groove machining combined cutter, which is shown in fig. 2-3, and comprises a cutter bar body 10, wherein one end of the cutter bar body 10 is a driving clamping end 11, the cutter bar body 10 is provided with a cutter mounting section 13, the cutter mounting section 13 is integrally in a rod-shaped structure and coaxially arranged at one end of the cutter bar body 10, the diameter of the cutter mounting section 13 is smaller than that of the cutter bar body 10, one end of the cutter mounting section 13, which is away from the cutter bar body 10, is a locking end 12, a locking nut 40 is arranged on the locking end 12, the diameter of the cutter bar body 10 is larger than that of the cutter mounting section 13 to form a step for pressing a milling cutter blade 20, and the other side of the cutter bar is matched with the locking end 12 through the locking nut 40 to clamp and fix the milling cutter blade 20.
The blade mounting section 13 is provided with a plurality of milling blades 20, and the plurality of milling blades 20 are identical in size, not identical in size or different in size. Realizing the processing of the groove bodies with different specifications.
A plurality of gaskets 30 are arranged between two adjacent milling cutter blades 20 and between a plurality of the milling cutter blades 20 and the cutter bar body 10 and the lock nut 40 respectively. The gasket 30 is arranged between the cutter bar body 10 and the lock nut 40 and the side milling cutter blades 20 respectively, and when the milling cutter blades 20 grooving the workpiece, the gasket 30 positioned at the outer side of the side milling cutter blade 20 can block the amplitude of a part of the milling cutter blades 20, so that the radial runout or vibration of the lock end 12 is reduced, and the machining precision is improved.
The gasket 30 is made of 45# quenched and tempered steel, and the hardness of the milling cutter blade 20 and the cutter bar body 10 is greater than that of the gasket 30. When the axial connection, avoid between the milling cutter blade 20, milling cutter blade 20 and cutter arbor body 10 lug connection, play the shock attenuation effect that can be better, and when milling cutter blade 20 and cutter arbor body 10 cooperation use, can not damage blade and cutter arbor, prolonged blade and cutter arbor life.
Compared with the traditional cutter bar made of 40Cr, the cutter bar body 10 is made of 96Si alloy tool steel, has better rigidity, can effectively reduce vibration caused by cutting of the milling cutter blade 20, prolongs the service life of the cutter, and improves the processing quality of workpieces.
The locking end 12 is provided with left-handed external threads which are opposite to the rotation direction of the cutter bar body 10. The milling cutter blade 20 has the advantages that the locking force is larger and larger in the cutting process, the milling cutter blade cannot loosen, the milling cutter blade can be well fastened no matter the cutter bar is thick or thin, threads and the cutter bar body 10 are machined at the same time, coaxiality of a threaded connection part and the cutter bar can be guaranteed, the locking force is uniform, and the precision of the cutter bar body 10 is improved.
The size of the plurality of shims 30 is adjusted according to the desired position of the milling cutter insert 20 for the groove body to be machined.
In summary, the use method of the device is to clamp the driving clamping end 11 of the cutter bar body 10 and then rotate, and then move along X, Y, Z axes to finish the processing of the groove body on the workpiece, wherein the screwing direction of the locking nut 40 is opposite to the rotation direction of the cutter bar body 10, so that a stronger locking force can be formed.
According to the groove machining combined cutter, the diameter of the cutter bar body is larger than that of the cutter blade mounting section to form a step for pressing the cutter blade, the other side of the cutter bar body is matched with the locking end through the locking nut to clamp and fix the cutter blade, gaskets are arranged between the cutter bar body and the locking nut and the cutter blade at the side, when the cutter blade cuts a workpiece, the gaskets at the outer side of the cutter blade at the side can block part of the amplitude of the cutter blade at the side, radial runout or vibration of the locking end is reduced, and machining precision is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520305787.6U CN223848173U (en) | 2025-02-25 | 2025-02-25 | Combined cutter for groove machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520305787.6U CN223848173U (en) | 2025-02-25 | 2025-02-25 | Combined cutter for groove machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223848173U true CN223848173U (en) | 2026-01-30 |
Family
ID=98553002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520305787.6U Active CN223848173U (en) | 2025-02-25 | 2025-02-25 | Combined cutter for groove machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223848173U (en) |
-
2025
- 2025-02-25 CN CN202520305787.6U patent/CN223848173U/en active Active
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