CN220445087U - Boring bar shock-absorbing structure - Google Patents
Boring bar shock-absorbing structure Download PDFInfo
- Publication number
- CN220445087U CN220445087U CN202321377108.3U CN202321377108U CN220445087U CN 220445087 U CN220445087 U CN 220445087U CN 202321377108 U CN202321377108 U CN 202321377108U CN 220445087 U CN220445087 U CN 220445087U
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- Prior art keywords
- boring bar
- mounting base
- absorbing structure
- mounting
- boring
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- 238000013016 damping Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000035939 shock Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 11
- 206010044565 Tremor Diseases 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The application belongs to the technical field of machining equipment manufacturing, and specifically relates to a boring bar damping structure, including the boring bar, boring bar front end fixed mounting has the boring bar head, and the boring bar afterbody is pegged graft and is installed on the installation pole, boring bar afterbody cover is established and is installed damping sleeve, and radial damper is installed at boring bar front portion, and radial damper includes installation base and outer mount pad, is connected through adjusting screw between installation base and the outer mount pad, installs the ball on the outer mount pad, is provided with expansion spring between ball and the outer mount pad. According to the boring bar, the damping sleeve is added at the tail part of the boring bar, friction between the boring bar and the mounting bar can be effectively reduced, adverse effects such as tremble generated in the machining process are effectively dispersed and absorbed, machining accuracy is guaranteed, meanwhile, the adjusting screw is adopted to realize connection of the mounting base and the outer mounting base, adjustment of the extending length of the radial adjusting mechanism can be realized, the radial adjusting mechanism is applicable to machining of inner holes of different workpieces, and applicability is remarkably improved.
Description
Technical Field
The application belongs to the technical field of machining equipment manufacturing, and particularly relates to a boring bar damping structure.
Background
The boring bar is a connecting bar of a boring machine, a deep hole boring machine, a corresponding drill bit, a boring head, a rolling head and a combined boring and rolling head. In the boring process, the machining precision and stability of the boring bar system are greatly dependent on the rigidity of the structure and the influence of vibration on the boring bar system in the cutting process, the cutting efficiency of the boring bar system in the machining process is restricted by the insufficient rigidity and the vibration, vibration patterns are left on the surface of a machined workpiece, the machining precision is influenced, the abrasion of a cutter is accelerated, and the service life of the cutter is shortened.
Some boring bar damping structures appear in the existing market, for example, a boring bar with damping structure disclosed in China patent application No. 202021107672.X, the device can realize axial damping and radial damping of the boring bar simultaneously by adopting a radial damping mechanism and an axial spring, but in the actual use process, the boring bar can tremble, and the tail part of the boring bar is in direct contact with the mounting bar, so that the boring bar is easy to rub with the mounting bar in the actual use process, the boring bar is worn, the radial damping effect is poor, the extension length of the radial damping mechanism cannot be adjusted, the boring bar cannot be well adapted to the processing of inner holes of different workpieces, and the adaptability is poor.
Disclosure of Invention
The purpose of this application is to the shortcoming to prior art, has designed a boring bar shock-absorbing structure, through increase damper sleeve at the boring bar afterbody, can effectively reduce the friction between boring bar and the installation pole, can effectively disperse and absorb harmful effects such as tremble that the course of working produced, has guaranteed machining precision.
In order to achieve the above purpose, the present application provides the following technical solutions:
the boring rod damping structure comprises a boring rod, a boring rod head is fixedly arranged at the front end of the boring rod, the tail of the boring rod is inserted and installed on an installation rod, a damping sleeve is sleeved at the tail of the boring rod, a radial damping mechanism is installed at the front of the boring rod and comprises an installation base and an outer installation seat, the installation base is connected with the outer installation seat through an adjusting screw, a ball is installed on the outer installation seat, and a telescopic spring is arranged between the ball and the outer installation seat.
Preferably, the damping sleeve is made of damping materials.
Preferably, the outer side wall of the front part of the boring bar is provided with a mounting groove, and the mounting groove is matched with the width of the mounting base.
Preferably, the installation base is of an annular structure, and a plurality of threaded holes are uniformly formed in the installation base.
Preferably, the outer mount pad is cylindrical structure, and the screw hole is seted up to one side of outer mount pad, and the opposite side of outer mount pad is provided with the cylindricality mounting groove.
Preferably, a telescopic spring is arranged at the inner bottom of the cylindrical mounting groove, and a positioning mounting seat is fixedly arranged at the tail end of the telescopic spring.
Preferably, the positioning mounting seat is provided with an arc-shaped groove matched with the ball.
Preferably, the adjusting screw is a double-head screw, the middle part of the adjusting screw is fixedly provided with a handheld part, and two ends of the adjusting screw are respectively connected with threaded holes on the mounting base and the outer mounting base.
Preferably, the outer side wall of the hand-held part is provided with anti-skid patterns.
Compared with the prior art, the beneficial effects of this application are:
1. according to the boring bar, the damping sleeve is added at the tail part of the boring bar, friction between the boring bar and the mounting bar can be effectively reduced, and adverse effects such as tremble generated in the processing process are effectively dispersed and absorbed, so that the processing precision is guaranteed.
2. According to the radial adjusting mechanism, the adjusting screw is adopted to realize connection of the mounting base and the outer mounting base, adjustment of the extending length of the radial adjusting mechanism can be realized, the radial adjusting mechanism is applicable to machining of inner holes of different workpieces, and applicability is remarkably improved.
3. According to the boring bar processing device, the radial adjusting mechanism and the damping sleeve are matched, so that radial damping operation in the boring bar processing process can be effectively realized, and the boring bar processing device is beneficial to actual production and application.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present application.
Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to an embodiment of the present application.
Wherein: 1. boring bar head; 2. radial damping mechanism; 3. a shock absorbing sleeve; 4. an axial spring; 5. an axial screw; 6. boring bar; 7. a mounting rod; 201. a mounting base; 202. an outer mounting base; 203. positioning the mounting seat; 204. a ball; 205. a telescopic spring; 206. and adjusting the screw.
Detailed Description
Referring to fig. 1-2, a boring bar damping structure comprises a boring bar 6, wherein a boring bar head 1 is fixedly arranged at the front end of the boring bar 6, a blade is arranged at the outer side end of the boring bar head 1, the tail part of the boring bar 6 is inserted and installed in an installation bar 7, a damping sleeve 3 is arranged at the contact position of the tail part of the boring bar 6 and the installation bar 7, the damping sleeve 3 is sleeved and installed on the boring bar 6, the damping sleeve 6 is made of damping materials, preferably rubber or epoxy resin, and friction between the boring bar and the installation bar can be effectively reduced by adopting the damping sleeve 6, so that tremble generated in the processing process can be effectively dispersed and absorbed, and the processing precision is ensured; the tail end of the boring bar 6 is connected with a mounting bar 7 through an axial screw 5 and an axial spring 4, and the axial screw 5 and the axial spring 4 are used for realizing axial damping operation of the boring bar 6.
The boring bar 6 is characterized in that a mounting groove is formed in the outer side wall of the front portion of the boring bar 6, a radial damping mechanism 2 is mounted on the mounting groove, the radial damping mechanism 2 comprises a mounting base 201 and an outer mounting base 202, the mounting base 201 is of an annular structure, a plurality of threaded holes are uniformly formed in the mounting base 202, the outer mounting base 202 is of a cylindrical structure, one side of the outer mounting base 202 is provided with threaded holes, the other side of the outer mounting base 202 is provided with a cylindrical mounting groove, an expansion spring 205 is arranged in the bottom of the cylindrical mounting groove, the tail end of the expansion spring 205 is fixedly provided with a positioning mounting base 203, the positioning mounting base 203 is of an annular structure, an arc groove matched with a ball 204 is formed in the positioning mounting base 203, the mounting base 201 is connected with the outer mounting base 202 through an adjusting screw 206, two ends of the adjusting screw 206 are respectively connected with the threaded holes in the mounting base 201 and the outer mounting base 202, the radial adjusting mechanism 2 can be adjusted by adopting the adjusting screw 206 to achieve connection of the mounting base 201 and the outer mounting base 202, and the machining applicability of different inner holes is remarkably improved.
As a preferred manner, the middle part of the adjusting screw 206 is fixedly provided with a hand-holding part, and the outer side wall of the hand-holding part is provided with anti-skid patterns, so that the anti-skid patterns can facilitate the rotation operation of the adjusting screw 206 by a worker.
As a preferred mode, the installation base 201 is formed by fixedly connecting three arc plates through bolts, is convenient to install and disassemble, and can effectively reduce maintenance difficulty.
Claims (9)
1. The utility model provides a boring bar shock-absorbing structure, includes boring bar (6), boring bar (6) front end fixed mounting has boring bar head (1), and boring bar (6) afterbody grafting is installed on installation pole (7), its characterized in that: the boring bar (6) tail sleeve is provided with a damping sleeve (3), the front part of the boring bar (6) is provided with a radial damping mechanism (2), the radial damping mechanism (2) comprises a mounting base (201) and an outer mounting base (202), the mounting base (201) and the outer mounting base (202) are connected through an adjusting screw (206), the outer mounting base (202) is provided with a ball (204), and a telescopic spring (205) is arranged between the ball (204) and the outer mounting base (202).
2. The boring bar shock absorbing structure as defined in claim 1, wherein: the damping sleeve (3) is made of damping materials.
3. The boring bar shock absorbing structure as defined in claim 1, wherein: and the outer side wall of the front part of the boring bar (6) is provided with a mounting groove, and the mounting groove is matched with the width of the mounting base (201).
4. A boring bar shock absorbing structure as claimed in claim 3, wherein: the mounting base (201) is of an annular structure, and a plurality of threaded holes are uniformly formed in the mounting base.
5. The boring bar shock absorbing structure as defined in claim 4, wherein: the outer mounting seat (202) is of a cylindrical structure, a threaded hole is formed in one side of the outer mounting seat (202), and a cylindrical mounting groove is formed in the other side of the outer mounting seat (202).
6. The boring bar shock absorbing structure as defined in claim 5, wherein: the inner bottom of the cylindrical mounting groove is provided with a telescopic spring (205), and the tail end of the telescopic spring (205) is fixedly provided with a positioning mounting seat (203).
7. The boring bar shock absorbing structure as defined in claim 6, wherein: an arc-shaped groove matched with the ball (204) is formed in the positioning mounting seat (203).
8. The boring bar shock absorbing structure as defined in claim 7, wherein: the adjusting screw (206) is a double-head screw, a handheld part is fixedly arranged in the middle of the adjusting screw (206), and two ends of the adjusting screw (206) are respectively connected with threaded holes in the mounting base (201) and the outer mounting base (202).
9. The boring bar shock absorbing structure as defined in claim 8, wherein: the outer side wall of the hand-held part is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377108.3U CN220445087U (en) | 2023-06-01 | 2023-06-01 | Boring bar shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321377108.3U CN220445087U (en) | 2023-06-01 | 2023-06-01 | Boring bar shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220445087U true CN220445087U (en) | 2024-02-06 |
Family
ID=89734201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321377108.3U Active CN220445087U (en) | 2023-06-01 | 2023-06-01 | Boring bar shock-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220445087U (en) |
-
2023
- 2023-06-01 CN CN202321377108.3U patent/CN220445087U/en active Active
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