CN113182544A - Vibration reduction cutter bar for turning large-pitch threads - Google Patents
Vibration reduction cutter bar for turning large-pitch threads Download PDFInfo
- Publication number
- CN113182544A CN113182544A CN202110452037.8A CN202110452037A CN113182544A CN 113182544 A CN113182544 A CN 113182544A CN 202110452037 A CN202110452037 A CN 202110452037A CN 113182544 A CN113182544 A CN 113182544A
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- China
- Prior art keywords
- hole
- vibration reduction
- damping
- cutter bar
- sealing base
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- 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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Links
- 238000013016 damping Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/02—Boring bars
- B23B29/022—Boring bars with vibration reducing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/06—Profile cutting tools, i.e. forming-tools
- B23B27/065—Thread-turning tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a vibration reduction cutter bar for turning large-pitch threads, which relates to the field of turning, and comprises a cutter bar body and a sealing base, wherein the cutter bar body is made of 40Cr so that the cutter bar body has enough strength and hardness, the front end of the cutter bar body is provided with a cutter head mounting groove, the upper end of the cutter head mounting groove is provided with a fastening nut for locking a blade, the cutter bar body is provided with a cylindrical horizontal through hole, the cylindrical horizontal through hole is sequentially provided with a step-shaped grid stop block, a butterfly-shaped vibration reduction spring, a rubber vibration reduction block, another butterfly-shaped vibration reduction spring and a metal sliding block from a cutter head to the sealing base, and the rear end of the horizontal through hole is connected with the sealing base. The invention reduces the vibration generated during turning through the combined action of the butterfly-shaped vibration reduction spring, the vibration reduction block and the damping liquid, changes the vibration frequency of the cutter rod, and can quickly replace the cutter head so as to reduce the replacement time and improve the turning efficiency.
Description
Technical Field
The invention relates to the technical field of turning, in particular to a vibration reduction cutter bar mechanism for turning large-pitch threads.
Background
The large-pitch threaded part is widely applied to large equipment as a key part, plays roles in connecting, fastening, transmitting power and the like, and is widely applied to heavy large tooling equipment, heavy manufacturing equipment of new energy sources such as wind power and the like, such as heavy horizontal lathes, heavy milling machines, heavy lathes, heavy pressing machines and the like. In the application of the large-pitch threaded part, the problems of thread disordering, poor movement precision and positioning precision and the like in the working process are often caused due to the problem of manufacturing precision, and the main reason of causing the problems is the vibration of a cutter in the workpiece machining process.
In the prior art, a common traditional lathe tool bar is of a solid structure, and although the application is wide, the problems exist, for example, in the processing process of a large-pitch threaded part, because the conventional lathe tool bar has the characteristics of high feeding, large cutting depth, large load and the like, the conventional lathe tool bar generates obvious vibration in the processing process, and has the problems of wide vibration frequency bandwidth, large instantaneous vibration amplitude and the like.
Therefore, the vibration reduction cutter bar for solving the problems of large amplitude and large vibration of the fine machining of the large-pitch threaded part is needed to meet the requirements of people.
Disclosure of Invention
The invention aims to provide a vibration reduction cutter bar for turning large-pitch threads, which is characterized in that a cylindrical horizontal through hole (8) is designed on a cutter bar body (4), a butterfly vibration reduction spring (6), a vibration reduction block (7), a butterfly vibration reduction spring (9) and damping liquid (14) are arranged in the cylindrical horizontal through hole (8), and the problems that obvious vibration is generated in the processing process, the vibration frequency bandwidth is wide, the instantaneous vibration amplitude is large and the like in the processing process of large-pitch threaded parts due to the characteristics of high feeding, large cutting depth, large load and the like are effectively solved or avoided.
The invention relates to a vibration reduction cutter bar for turning large-pitch threads, which comprises a cutter bar body (4) and a sealing base (13), the front end of the cutter bar body is provided with a cutter head mounting groove (2), the cutter head mounting groove (2) is provided with a trapezoidal lathe tool (1), the cutter bar is provided with a cylindrical horizontal through hole (8), damping liquid (14) is filled between the cylindrical horizontal through holes (8), a step-shaped check block (5) is arranged at the tool bit end, a sealing base (13) is connected at the rear end, install adjusting nut (11) and four fastening stud (12) on sealing base (13), install before adjusting nut (11) and be equipped with notch cuttype check dog behind metal sliding block (10) tool bit mounting groove (2) be equipped with totally two butterfly damping spring (6) (9) between notch cuttype check dog (5) and adjusting nut (11), the centre is connected by damping piece (7).
Further, the through hole is designed for a cylindrical horizontal through hole (8)
Furthermore, the cylindrical horizontal through hole is provided with a step-shaped check block (5) close to the end of the cutter head, the other end of the cylindrical horizontal through hole is connected with a sealing base (13), and the sealing base (13) is provided with an adjusting nut (11) and four fastening studs (12).
Furthermore, a butterfly-shaped damping spring (6) and a butterfly-shaped damping spring (9) are arranged in the cylindrical horizontal through hole.
Furthermore, the butterfly-shaped damping spring (6) and the butterfly-shaped damping spring (9) are connected by a damping block (7) in the middle.
Compared with the prior art, the invention has the following beneficial effects:
the vibration reduction cutter bar for turning the large-pitch threads is novel in structure and stable in vibration reduction effect, and basically achieves the vibration problem of the cutter body in the process of turning the large-pitch screws, the designed vibration reduction block (7), damping liquid (14) and butterfly vibration reduction springs (6) form step-by-step vibration reduction, vibration reduction is performed through the vibration reduction block (7) after the vibration intensity of the butterfly vibration reduction springs (6) is reduced, then the vibration reduction is reduced through the other butterfly vibration reduction spring (9), meanwhile, the damping liquid (14) plays a role in buffering and vibration reduction, the problems that the instantaneous amplitude of the cutter bar is too large and the inherent frequency of the cutter bar vibration cannot be changed are basically solved, the designed sealing base (13) is fastened to the cutter body through the fastening screw (12), the internal structure installation of the cutter bar body is more convenient, and meanwhile, the tensioning degree of the butterfly spring in the cutter bar can be adjusted at any time to enable the cutter bar to adapt to workpiece materials due to different production rates by adjusting the tensioning degree of the butterfly spring in the cutter bar through the design of the nut (11) The different circumstances of the vibration intensity of giving birth to optimize the damping effect, improve turning efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic diagram of the structure shown in fig. 1 in a right view.
Fig. 4 is a schematic left view of the structure shown in fig. 1.
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.
The embodiment is described by referring to fig. 2 and 3, and the vibration reduction cutter bar for turning the large-pitch thread is characterized by comprising a turning tool (1), a cutter bit installation groove (2), a fastening nut (3), a cutter bar body (4), stepped grid stoppers (5), a butterfly vibration reduction spring (6), a vibration reduction block (7), cylindrical horizontal through holes (8), a butterfly vibration reduction spring (9), a metal sliding block (10), an adjusting nut (11), fastening studs (12), a sealing base (13) and damping liquid (14), wherein the cutter bar body (4) is provided with the cylindrical horizontal through holes, the damping liquid (14) is filled between the cylindrical horizontal through holes, the stepped grid stoppers (5) are arranged near the cutter bit end, the rear end of the cylindrical horizontal through holes is connected with the sealing base (13), the sealing base (13) is provided with the adjusting nut (11) and four fastening studs (12), metal slide (10) are installed to adjusting nut front end, be equipped with butterfly damping spring (6) and butterfly damping spring (9) between notch cuttype check dog (5) and adjusting nut (11), the centre is connected by damping piece (7).
The stepped check block (5) has the function of blocking the structures in the cutter head (1) and the cutter bar body (4), and simultaneously seals internal damping liquid (14) to ensure that the damping liquid does not flow outwards.
According to the invention, the butterfly-shaped vibration reduction springs (6), the vibration reduction blocks (7) and the butterfly-shaped vibration reduction springs (9) are sequentially arranged in the cylindrical horizontal through holes (8) from the tool bit end to the tool bit tail and filled with damping liquid (14), and the vibration is reduced to a proper size through step-by-step vibration reduction, and meanwhile, the kinetic energy of the moving machine is attenuated by means of the viscous resistance of the damping liquid (14).
The sealing base (13) is mounted on the cutter body through the fastening stud (12) to facilitate mounting, and the adjusting nut (11) is designed on the sealing base (13) and can adjust the vibration frequency and the vibration amplitude caused by the change of a workpiece.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a be used for turning coarse pitch screw thread damping cutter arbor, includes cutter arbor body (4), sealing base (13), its characterized in that be equipped with cylindrical horizontal through-hole (8) on cutter arbor body (4), it has damping fluid (14) to fill between cylindrical horizontal through-hole (8), cylindrical horizontal through-hole (8) are close to the tool bit end and are equipped with notch cuttype check dog (5), notch cuttype check dog (5) rear side is installed one disc damping spring (6), and damping piece (7) are installed to disc damping spring (6) rear side, and another disc damping spring (9) are installed to damping piece (7) rear side, sealing base (13) is connected to cylindrical horizontal through-hole (8) rear end, install adjusting nut (11) and four fastening stud (12) on sealing base (13), there is metal block (10) before adjusting nut (11), the metal sliding block (10) is connected with the adjacent butterfly-shaped damping spring (9).
2. A vibration damping tool shank for turning coarse threads according to claim 1, characterised in that the vibration damping through hole is of cylindrical horizontal through hole (8) design.
3. The vibration damping tool bar for turning the large-pitch thread according to claim 1, wherein the cylindrical horizontal through hole is provided with a step-shaped check block (5) at the end close to the tool bit, the other end is connected with a sealing base (13), and the sealing base (13) is provided with an adjusting nut (11).
4. The tool holder as claimed in claim 1, wherein two belleville damping springs are connected by a damping block in the cylindrical horizontal through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452037.8A CN113182544A (en) | 2021-04-26 | 2021-04-26 | Vibration reduction cutter bar for turning large-pitch threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452037.8A CN113182544A (en) | 2021-04-26 | 2021-04-26 | Vibration reduction cutter bar for turning large-pitch threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113182544A true CN113182544A (en) | 2021-07-30 |
Family
ID=76979132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110452037.8A Withdrawn CN113182544A (en) | 2021-04-26 | 2021-04-26 | Vibration reduction cutter bar for turning large-pitch threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113182544A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833718A (en) * | 2022-03-31 | 2022-08-02 | 机械科学研究总院海西（福建）分院有限公司 | High-speed rotary vibration suppression and cutter loosening prevention cutter bar structure |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036091A1 (en) * | 1998-10-22 | 2002-03-28 | Ingvar Claesson | Method and a device for vibration control |
| CN101890514A (en) * | 2010-06-23 | 2010-11-24 | 四川大学 | Built-in dynamical double-damping boring bar |
| CN202207814U (en) * | 2011-08-09 | 2012-05-02 | 赵安 | Special shock absorber for inner hole lathe tool |
| CN103121116A (en) * | 2013-03-18 | 2013-05-29 | 山东普利森集团有限公司 | Shock-absorbing boring bar |
| CN205165925U (en) * | 2015-12-09 | 2016-04-20 | 森泰英格（成都）数控刀具有限公司 | Can dismantle shock attenuation cutter arbor of built -in antidetonation material |
| CN205967458U (en) * | 2016-06-03 | 2017-02-22 | 常州市新西华亚工具有限公司 | Shock attenuation sword |
| CN107378012A (en) * | 2017-07-25 | 2017-11-24 | 吉林工程技术师范学院 | A kind of machining tool |
| US20180093329A1 (en) * | 2016-10-03 | 2018-04-05 | Fives Giddings & Lewis, Llc | Adjustable damping arrangement for a non-rotating tool holder |
| CN108941639A (en) * | 2018-09-14 | 2018-12-07 | 东南大学 | A kind of combined intelligent self-powered damping boring bar |
| CN109158624A (en) * | 2018-11-02 | 2019-01-08 | 哈尔滨理工大学 | A kind of cooling Boring Bar applied to large-lead screw processing |
| CN209424567U (en) * | 2019-01-07 | 2019-09-24 | 哈尔滨理工大学 | A kind of cooling Boring Bar of novel large-lead screw processing |
| CN209918910U (en) * | 2019-02-26 | 2020-01-10 | 河北华北柴油机有限责任公司 | Adjustable vibration-damping grooving turning tool |
| CN111421152A (en) * | 2020-05-18 | 2020-07-17 | 株洲钻石切削刀具股份有限公司 | Combined vibration-damping cutter bar |
| CN212350407U (en) * | 2020-06-14 | 2021-01-15 | 天津正航科技有限公司 | Fretwork extension antidetonation cutter arbor |
-
2021
- 2021-04-26 CN CN202110452037.8A patent/CN113182544A/en not_active Withdrawn
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036091A1 (en) * | 1998-10-22 | 2002-03-28 | Ingvar Claesson | Method and a device for vibration control |
| CN101890514A (en) * | 2010-06-23 | 2010-11-24 | 四川大学 | Built-in dynamical double-damping boring bar |
| CN202207814U (en) * | 2011-08-09 | 2012-05-02 | 赵安 | Special shock absorber for inner hole lathe tool |
| CN103121116A (en) * | 2013-03-18 | 2013-05-29 | 山东普利森集团有限公司 | Shock-absorbing boring bar |
| CN205165925U (en) * | 2015-12-09 | 2016-04-20 | 森泰英格（成都）数控刀具有限公司 | Can dismantle shock attenuation cutter arbor of built -in antidetonation material |
| CN205967458U (en) * | 2016-06-03 | 2017-02-22 | 常州市新西华亚工具有限公司 | Shock attenuation sword |
| US20180093329A1 (en) * | 2016-10-03 | 2018-04-05 | Fives Giddings & Lewis, Llc | Adjustable damping arrangement for a non-rotating tool holder |
| CN107378012A (en) * | 2017-07-25 | 2017-11-24 | 吉林工程技术师范学院 | A kind of machining tool |
| CN108941639A (en) * | 2018-09-14 | 2018-12-07 | 东南大学 | A kind of combined intelligent self-powered damping boring bar |
| CN109158624A (en) * | 2018-11-02 | 2019-01-08 | 哈尔滨理工大学 | A kind of cooling Boring Bar applied to large-lead screw processing |
| CN209424567U (en) * | 2019-01-07 | 2019-09-24 | 哈尔滨理工大学 | A kind of cooling Boring Bar of novel large-lead screw processing |
| CN209918910U (en) * | 2019-02-26 | 2020-01-10 | 河北华北柴油机有限责任公司 | Adjustable vibration-damping grooving turning tool |
| CN111421152A (en) * | 2020-05-18 | 2020-07-17 | 株洲钻石切削刀具股份有限公司 | Combined vibration-damping cutter bar |
| CN212350407U (en) * | 2020-06-14 | 2021-01-15 | 天津正航科技有限公司 | Fretwork extension antidetonation cutter arbor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114833718A (en) * | 2022-03-31 | 2022-08-02 | 机械科学研究总院海西（福建）分院有限公司 | High-speed rotary vibration suppression and cutter loosening prevention cutter bar structure |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210730 |
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| WW01 | Invention patent application withdrawn after publication |