CN219484235U - Eccentric type anti-vibration cutter bar device - Google Patents
Eccentric type anti-vibration cutter bar device Download PDFInfo
- Publication number
- CN219484235U CN219484235U CN202320429856.5U CN202320429856U CN219484235U CN 219484235 U CN219484235 U CN 219484235U CN 202320429856 U CN202320429856 U CN 202320429856U CN 219484235 U CN219484235 U CN 219484235U
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- cutter bar
- vibration
- assembly hole
- arbor
- eccentric
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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 relates to the technical field of machining equipment, and provides an eccentric anti-vibration cutter bar device. The eccentric anti-vibration cutter bar device has excellent toughness and rigidity, is suitable for processing deep hole parts with large length-diameter ratio, and has excellent anti-vibration performance; the cutting space is larger, and the risk of chip resistance is avoided; the applicability of the cutter bar device can be improved while the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to an eccentric anti-vibration cutter bar device.
Background
In machining, when a deep hole part is machined, a long cutter bar is needed, so that the quality of the cutter bar has a great influence on whether the machining of the deep hole part and the machining quality can be successfully finished. The length-diameter ratio of the cutter bar has the greatest influence on the processing quality of deep hole parts. When the length-diameter ratio (L/D) of the cutter bar exceeds 4 times, the cutter bar is easy to vibrate in the cutting process, the cutter blade is easy to wear and damage, the service life of the cutter blade is reduced, and finally the vibration patterns and taper holes are generated on the surface of the processed inner hole.
Therefore, how to provide a cutter bar capable of effectively solving the anti-vibration problem of the processing of the inner hole with a large length-diameter ratio is a problem to be solved urgently.
Disclosure of Invention
In view of the above, the utility model aims to overcome the defects of the prior art, and the utility model aims to provide an eccentric anti-vibration cutter bar which can effectively reduce vibration during deep hole machining, improve the surface quality and dimensional accuracy of inner hole machining, reduce the abrasion of a cutter blade and improve the machining efficiency.
The utility model provides an eccentric anti-vibration cutter bar device which comprises a cutter bar matrix, a cutting cutter bar, an anti-vibration core shaft and a compression screw, wherein the cutter bar matrix is cylindrical as a whole, a cutter bar assembly hole and a core shaft assembly hole are axially arranged on the inner side of the cutter bar matrix in parallel, the anti-vibration core shaft is coaxially assembled in the core shaft assembly hole, and one end of the cutting cutter bar is coaxially assembled in the cutter bar assembly hole.
Further, according to the eccentric anti-vibration cutter bar device, the connecting line of the axle center of the cutter bar assembly hole and the axle center of the mandrel assembly hole passes through the axle center of the cutter bar parent body.
Further, according to the eccentric anti-vibration cutter bar device, the cutter bar assembly hole is a cylindrical hole with one end closed.
Further, in the eccentric anti-vibration cutter bar device, the mandrel assembly hole is a cylindrical through hole penetrating through the cutter bar parent body.
Further, according to the eccentric anti-vibration cutter bar device, one end of the cutter bar parent body is provided with the first compression plane on the side surface right below the cutter bar assembly hole, the first compression plane is provided with the plurality of fastening through holes, the fastening through holes are communicated with the cutter bar assembly hole, the other end of the cutter bar parent body is provided with the second compression plane, and the second compression plane and the first compression plane are located on the same plane.
Further, according to the eccentric anti-vibration cutter bar device, a plurality of compression screws are correspondingly assembled in the fastening through holes one by one to compress the cutting cutter bar in the cutter bar assembly holes.
Furthermore, the eccentric anti-vibration cutter bar device is characterized in that the anti-vibration core shaft is made of tungsten steel materials.
Further, in the eccentric anti-vibration cutter bar device, the middle section of the mandrel assembly hole is coaxially provided with the annular groove, and the inner diameter of the annular groove is larger than that of the mandrel assembly hole.
Further, according to the eccentric anti-vibration cutter bar device, a cooling channel is arranged on one side of a cutter bar parent body, which is positioned at a cutter bar assembly hole.
Further, in the eccentric anti-vibration cutter bar device, the connecting line between the axis of the cooling channel and the axis of the cutter bar parent body is perpendicular to the connecting line between the axis of the cutter bar assembly hole and the axis of the mandrel assembly hole.
The eccentric anti-vibration cutter bar device has the following beneficial effects through the comprehensive structural design:
1. has excellent toughness and rigidity, is suitable for processing deep hole parts with large length-diameter ratio, the anti-seismic performance is excellent;
2. the cutting space is larger, and the risk of chip resistance is avoided;
3. the applicability of the cutter bar device is improved while the manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is 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 an eccentric anti-vibration cutter bar device according to the present utility model.
Fig. 2 is a schematic structural view of a cutter bar matrix of the eccentric anti-vibration cutter bar device of the utility model.
Fig. 3 is a schematic cross-sectional view of a tool bar precursor of the eccentric anti-vibration tool bar device of the present utility model.
Fig. 4 is a schematic partial cross-sectional view of a tool bar precursor of the eccentric anti-vibration tool bar device of the present utility model.
In the figure, a 1-cutter bar matrix, a 2-cutting cutter bar, a 3-anti-vibration mandrel, a 4-compression screw, an 11-cutter bar assembly hole, a 12-mandrel assembly hole, a 13-first compression plane, a 14-fastening through hole, a 15-second compression plane, a 16-cooling channel and a 17-annular groove.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides an eccentric shock-resistant cutter bar device, which includes a cutter bar parent body 1, a cutting cutter bar 2, a shock-resistant spindle 3, and a pressing screw 4.
Specifically, as shown in fig. 1 and 2, the cutter bar body 1 is cylindrical as a whole, the cutter bar assembly hole 11 and the spindle assembly hole 12 are axially disposed in parallel to each other inside the cutter bar body 1, the anti-vibration spindle 3 is coaxially disposed in the spindle assembly hole 12, and one end of the cutting cutter bar 2 is coaxially disposed in the cutter bar assembly hole 11. The eccentric anti-vibration cutter bar device of the embodiment adopts a stepped design and an eccentric design, so that the front end of the cutting cutter bar 2 has a larger space during cutting, has a larger chip removal space than the whole tungsten steel cutter bar, and reduces the risk of chip resistance; the cutting tool bar 2 has light weight, the tool bar parent body 1 has large weight, is favorable for improving the integral anti-seismic performance of the device, reduces the material consumption and the manufacturing cost, and the manufacturing cost of the tools with the same specification is lower than one third of the cost of the integral tungsten steel tool bar. In practical applications, the tool bar matrix 1 may be made of a modulating material. The eccentric anti-vibration cutter bar device of the embodiment can be used for machining deep hole parts with the length-diameter ratio exceeding 8 times.
As shown in fig. 2, in order to increase the overall anti-seismic performance of the device, the line connecting the axis of the tool bar assembly hole 11 and the axis of the spindle assembly hole 12 passes through the axis of the tool bar parent body 1.
As shown in fig. 3, the cutter bar assembly hole 11 is a cylindrical hole with one end closed. The mandrel assembly hole 12 is a cylindrical through hole penetrating through the cutter bar parent body 1.
As shown in fig. 1, 2 and 3, a first compression plane 13 is arranged on the side surface of one end of the cutter bar parent body 1, which is positioned right below the cutter bar assembly hole 11, a plurality of fastening through holes 14 are arranged on the first compression plane 13, the fastening through holes 14 are communicated with the cutter bar assembly hole 11, a second compression plane 15 is arranged on the other end of the cutter bar parent body 1, and the second compression plane 15 and the first compression plane 13 are positioned on the same plane.
In practical use, a plurality of pressing screws 4 are fitted in the fastening through holes 14 in one-to-one correspondence to press the cutting tool bar 2 in the tool bar fitting hole 11. In order to avoid scraping the inner hole wall, the head of the compression screw 4 is not higher than the circumferential surface of the cutter bar parent body 1.
In practical application, the anti-seismic mandrel 3 is made of tungsten steel. The anti-vibration mandrel 3 can not only increase the rigidity of the cutter bar parent body 1, but also ensure that the cutting cutter bar 2 is not easy to break. The anti-vibration mandrel 3 made of tungsten steel is embedded into the mandrel assembly hole 12 of the cutter bar parent body 1 by adopting a thermal expansion method.
As shown in fig. 3 and 4, the central section of the mandrel assembly hole 12 is coaxially provided with an annular groove 17, and the inner diameter of the annular groove 17 is larger than the inner diameter of the mandrel assembly hole 12. In practical application, the inner diameter of the annular groove 17 is 0.1-0.2 mm larger than the inner diameter of the mandrel assembly hole 12, which is beneficial to ensuring the precision of the mandrel assembly hole 12, wherein the interference between the mandrel assembly hole 12 and the anti-seismic mandrel 3 is ensured to be 0.02-0.03mm, the cylindricity of the mandrel assembly hole 12 in the cutter bar parent body 1 is kept within 0.03mm, the surface quality is kept within Ra1.6, and the precision and rigidity of the device are improved.
As shown in fig. 1 and 2, a cooling passage 16 is provided on the tool holder body 1 on one side of the tool holder assembly hole 11. In practical application, the connecting line between the axis of the cooling channel 16 and the axis of the cutter bar parent body 1 is perpendicular to the connecting line between the axis of the cutter bar assembly hole 11 and the axis of the mandrel assembly hole 12. The cooling channel 16 is capable of circulating cooling liquid for flushing the chips on the wall of the hole during machining of the inner hole, and preventing the chips from being extruded to the cutting insert 2.
The cutting tool bar 2 of the eccentric anti-vibration tool bar device of the embodiment can be made of tungsten steel materials or common tool materials.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The eccentric anti-vibration cutter bar device is characterized by comprising a cutter bar parent body, a cutting cutter bar, an anti-vibration core shaft and a compression screw, wherein the cutter bar parent body is cylindrical, a cutter bar assembly hole and a core shaft assembly hole are axially arranged on the inner side of the cutter bar parent body in parallel, the anti-vibration core shaft is assembled in the core shaft assembly hole in a coaxial mode, and one end of the cutting cutter bar is assembled in the cutter bar assembly hole in a coaxial mode.
2. The eccentric anti-vibration arbor device according to claim 1, wherein the line connecting the arbor assembly hole axis and the spindle assembly hole axis passes through the axis of the arbor parent body.
3. The eccentric anti-vibration arbor device of claim 1, wherein the arbor assembly aperture is a cylindrical aperture closed at one end.
4. The eccentric anti-vibration arbor device according to claim 1, wherein the arbor assembly hole is a cylindrical through hole penetrating the arbor parent body.
5. The eccentric anti-vibration cutter bar device according to claim 1, wherein a first compression plane is arranged on the side surface of one end of the cutter bar parent body, which is positioned right below the cutter bar assembly hole, a plurality of fastening through holes are arranged on the first compression plane, the fastening through holes are communicated with the cutter bar assembly hole, a second compression plane is arranged on the other end of the cutter bar parent body, and the second compression plane and the first compression plane are positioned on the same plane.
6. The eccentric vibration-resistant tool bar apparatus as claimed in claim 5, wherein a plurality of pressing screws are fitted in the fastening through holes in one-to-one correspondence to press the cutting tool bar in the tool bar fitting hole.
7. The eccentric anti-vibration arbor device according to claim 1, wherein the anti-vibration arbor is made of tungsten steel material.
8. The eccentric anti-vibration cutter bar device according to claim 1, wherein the central section of the mandrel assembly hole is coaxially provided with an annular groove, and the inner diameter of the annular groove is larger than the inner diameter of the mandrel assembly hole.
9. The eccentric vibration-resistant cutter bar device according to claim 1, wherein a cooling passage is provided on the cutter bar parent body at one side of the cutter bar assembly hole.
10. The eccentric anti-vibration arbor device of claim 9, wherein the line between the axis of the cooling channel and the axis of the arbor parent is perpendicular to the line between the axis of the arbor assembly hole and the axis of the arbor assembly hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429856.5U CN219484235U (en) | 2023-03-09 | 2023-03-09 | Eccentric type anti-vibration cutter bar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429856.5U CN219484235U (en) | 2023-03-09 | 2023-03-09 | Eccentric type anti-vibration cutter bar device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219484235U true CN219484235U (en) | 2023-08-08 |
Family
ID=87479043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320429856.5U Active CN219484235U (en) | 2023-03-09 | 2023-03-09 | Eccentric type anti-vibration cutter bar device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219484235U (en) |
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2023
- 2023-03-09 CN CN202320429856.5U patent/CN219484235U/en active Active
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