CN109702506B - Anti-seismic cutter bar - Google Patents
Anti-seismic cutter bar Download PDFInfo
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- CN109702506B CN109702506B CN201811497890.6A CN201811497890A CN109702506B CN 109702506 B CN109702506 B CN 109702506B CN 201811497890 A CN201811497890 A CN 201811497890A CN 109702506 B CN109702506 B CN 109702506B
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Abstract
The application provides an anti-seismic cutter bar, which comprises a cutter head and a rod body, wherein a cavity is formed inside the cutter head and the rod body, an upper damping block, a lower damping block, a plurality of upper belleville springs, a compression spring and a plurality of lower belleville springs are arranged inside the cavity, the upper belleville springs are sleeved on an upper limiting column at the upper end of the upper damping block in a laminating manner and are positioned between the upper end surface of a first column part of the upper damping block and the top wall of the cavity, the lower belleville springs are sleeved on a lower limiting column at the lower end of the lower damping block in a laminating manner and are positioned between the lower end surface of a second column part of the lower damping block and the bottom wall of the cavity, the compression spring is arranged between the first column part of the upper damping block and, and the upper part of the compression spring is sleeved on the limiting boss at the lower part of the upper damping block, the lower part of the compression spring is sleeved on the telescopic sleeve at the upper part of the lower damping block, and the telescopic rod at the lower part of the upper damping block is movably arranged in the telescopic sleeve. The application provides an antidetonation cutter arbor has good shock attenuation effect.
Description
Technical Field
The invention relates to an anti-seismic cutter bar, in particular to an anti-seismic cutter bar.
Background
In the machining process, the vibration of the cutter can seriously impression the quality of a machined part, and the vibration of the cutter can be effectively reduced by the anti-vibration cutter bar.
The published patent CN201520282217.6 discloses a tool bar shock absorber comprising: a body, which is formed by a rod body and a cutter head; the interior of the rod body is provided with a damper which is columnar and the center of the damper is provided with a water outlet channel; the side surfaces of the left end and the right end of the damper are respectively provided with a plurality of radial grooves, each groove is respectively provided with a shock-proof gasket, each shock-proof gasket is abutted against the inner side of the rod body, and each shock-proof gasket is a hollow circular ring; the left bottom surface end and the right bottom surface end of the damper are respectively provided with a positioning gasket, the axial direction and the radial direction of each positioning gasket are abutted against the inside of the body, and each positioning gasket is a hollow circular ring. But in the use process, the vibration absorption effect of the cutter bar vibration absorber is not ideal, and the quality of a machined part is influenced.
In summary, how to make the cutter bar have good damping effect is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide an anti-seismic cutter bar, and solves the problem that the existing cutter bar shock absorber is not ideal in shock absorption effect.
In order to solve the technical problems, the invention provides the following technical scheme: an anti-seismic cutter bar comprises a cutter head and a rod body, wherein the cutter head is in threaded connection with the rod body, a cavity is formed in the cutter head and the rod body, an upper damping block, a lower damping block, a plurality of upper belleville springs, a compression spring and a plurality of lower belleville springs are arranged in the cavity, a plurality of upper belleville springs are sleeved on an upper limiting column at the upper end of the upper damping block in a stacking manner and are positioned between the upper end surface of a first column part of the upper damping block and the top wall of the cavity, a plurality of lower belleville springs are sleeved on a lower limiting column at the lower end of the lower damping block in a stacking manner and are positioned between the lower end surface of a second column part of the lower damping block and the bottom wall of the cavity, the compression spring is arranged between the first column part of the upper damping block and the second column part of the lower damping block, and the upper part of the compression spring is sleeved, the lower part of the compression spring is sleeved on the telescopic sleeve on the upper part of the lower damping block, and the telescopic rod on the lower part of the upper damping block is movably arranged in the telescopic sleeve.
Furthermore, a pair of damping rings is arranged in the cavity, each damping ring comprises a bottom frame and a plurality of rubber plugs, an annular plate part of the bottom frame of one damping ring is arranged between the lower end of the upper belleville spring positioned at the lowest position in the plurality of upper belleville springs and the upper end of the first column part, an annular plate part of the other damping ring is arranged between the lower end of the second column part and the upper end of the lower belleville spring positioned at the highest position in the plurality of lower belleville springs, a plurality of L-shaped plate parts are uniformly arranged on the periphery of the annular plate part, the extension parts of the L-shaped plate parts are connected on the periphery of the annular plate part, the bent part of the L-shaped plate part is connected with the outer end of the extending part and extends along the axial direction of the annular plate part, the plunger portion of rubber chock plug is installed in the consent of kink, the pressure head portion of rubber chock plug is contradicted on the inner wall of cavity.
Further, the inside of cavity still is equipped with a pair of cushion ring, and a cushion ring sets up the lower extreme of first column portion with between compression spring's the upper end, another cushion ring sets up the upper end of second column portion with between compression spring's the lower extreme, the periphery of a pair of cushion ring all contradicts on the inner wall of cavity.
Further, the damping washer has base ring portion, the annular brace of going up curved and the annular brace of going down curved, go up curved annular brace with the annular brace symmetry of going down curved sets up in the periphery of base ring portion, the periphery of going up curved annular brace is contradicted on the inner wall of cavity, the periphery of the annular brace of going down curved is contradicted on the inner wall of cavity.
Furthermore, a first flow channel is arranged inside the upper damping block, and a second flow channel is arranged inside the lower damping block.
Further, the upper damping block is arranged on the upper portion of the cavity, the lower damping block is arranged on the lower portion of the cavity, the compression spring is arranged in the middle of the cavity, and the compression spring is located between the upper damping block and the lower damping block.
Furthermore, a plurality of annular concave pits are arranged on the outer peripheral surface of the upper bent annular supporting arm and the outer peripheral surface of the lower bent annular supporting arm.
According to the technical scheme, the invention has the following beneficial effects:
in the invention, when the anti-vibration cutter bar works, vibration generated by the cutter bar is transmitted to the upper damping block and the lower damping block through the plurality of upper belleville springs and the plurality of lower belleville springs, the upper damping block and the lower damping block also generate vibration along with the vibration, and the plurality of upper belleville springs, the plurality of lower belleville springs and the compression spring generate elastic deformation, so that the vibration can be effectively counteracted, and the vibration amplitude of the cutter bar is reduced;
the rubber plugs of the pair of damping rings and the L-shaped plate part of the bottom frame can generate elastic deformation to buffer vibration, so that the knife body is kept balanced, and meanwhile, when the upper damping block and the lower damping block are arranged, friction can be generated between the rubber plugs and the inner wall of the cavity, so that energy can be dissipated in a heat mode, and the vibration of the knife body is further reduced;
the pair of damping washers can generate elastic deformation when the cutter bar vibrates to buffer the influence of the cutter during vibration, so that the cutter body is kept balanced, and meanwhile, when the upper damping block and the lower damping block are used, friction can be generated between the upper bent annular supporting arm and the lower bent annular supporting arm and the inner wall of the cavity, so that energy can be dissipated in a heat mode, and the vibration of the cutter body is further reduced;
the combined action of the structures ensures that the cutter bar has good damping effect.
The invention is described in further detail below with reference to the figures and the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure of the present invention.
Fig. 2 is a front view semi-sectional structural schematic diagram of the shock-absorbing ring of the present invention.
Fig. 3 is a schematic top view of the shock-absorbing ring of the present invention.
Fig. 4 is a front view showing a half-sectional structure of the cushion ring of the present invention.
Fig. 5 is a partially enlarged structural view of the cushion ring of the present invention.
Description of reference numerals: the tool bit 1, the upper groove 11, the rod body 2, the lower groove 21, the upper shock absorption block 3, the upper limiting column 31, the first column part 32, the limiting boss 33, the telescopic rod 34, the first flow channel 35, the lower shock absorption block 4, the lower limiting column 41, the second column part 42, the telescopic sleeve 43, the second flow channel 44, the upper belleville spring 5, the compression spring 6, the lower belleville spring 7, the shock absorption ring 8, the chassis 81, the annular plate part 811, the L-shaped plate part 812, the extension part 8121, the bending part 8122, the plug hole 81221, the rubber plug 82, the plug part 821, the pressing head part 822, the shock absorption gasket 9, the base ring part 91, the upper bent annular supporting arm 92, the lower bent annular supporting arm 93, the pit 94 and the cavity 10.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The present application is further described with reference to fig. 1 to 5, and as shown in fig. 1, the anti-vibration cutter bar includes a cutter head 1 and a rod body 2, the cutter head 1 is in threaded connection with the rod body 2, a cavity 10 is formed inside the cutter head 1 and the rod body 2, an upper damping block 3, a lower damping block 4, a plurality of upper belleville springs 5, a compression spring 6 and a plurality of lower belleville springs 7 are arranged inside the cavity 10, the upper damping block 3 is arranged on the upper portion of the cavity 10, the lower damping block 4 is arranged on the lower portion of the cavity 10, the compression spring 6 is arranged in the middle of the cavity 10, and the compression spring 6 is located between the upper damping block 3 and the lower damping block 4.
In this embodiment, as shown in fig. 1, the upper damper block 3 has an upper limit post 31, a first post 32, a limit boss 33 and an expansion link 34 connected in sequence from top to bottom, the lower damper block 4 has an expansion sleeve 43, a second post 42 and a lower limit post 41 connected in sequence from top to bottom, a plurality of upper belleville springs 5 are arranged on the upper limit post 31 at the upper end of the upper damper block 3 in a stacked manner and located between the upper end surface of the first post 32 of the upper damper block 3 and the top wall of the cavity 10, the upper limit post 31 of the upper damper block 3 extends into the upper groove 11 on the top wall of the cavity 10, a plurality of lower belleville springs 7 are arranged on the lower limit post 41 at the lower end of the lower damper block 4 in a stacked manner and located between the lower end surface of the second post 42 of the lower damper block 4 and the bottom wall of the cavity 10, the upper limit post 41 of the lower damper block 4 extends into the lower groove 21 on the bottom wall of the cavity 10, and the compression spring 6 is arranged between the first post 32 of the upper damper block 3 and and the upper part of the compression spring 6 is sleeved on the limiting boss 33 at the lower part of the upper shock absorption block 3, the lower part of the compression spring 6 is sleeved on the telescopic sleeve 43 at the upper part of the lower shock absorption block 4, the telescopic rod 34 at the lower part of the upper shock absorption block 3 is movably arranged in the telescopic sleeve 43, when the anti-seismic cutter bar works, the vibration generated by the cutter bar is transmitted to the upper shock absorption block 3 and the lower shock absorption block 4 through the plurality of upper belleville springs 5 and the plurality of lower belleville springs 7, the upper shock absorption block 3 and the lower shock absorption block 4 generate vibration along with the vibration, the plurality of upper belleville springs 5, the plurality of lower belleville springs 7 and the compression spring 6 generate elastic deformation, the vibration can be effectively counteracted, and the.
In this embodiment, as shown in fig. 1, the first flow passage 35 is provided inside the upper cushion block 3, and the second flow passage 44 is provided inside the lower cushion block 4.
In the present embodiment, as shown in fig. 1, 2 and 3, a pair of shock absorbing rings 8 are further provided inside the cavity 10, each shock absorbing ring 8 includes a bottom frame 81 and a plurality of rubber plugs 82, a ring plate portion 811 of the bottom frame 81 of one shock absorbing ring 8 is provided between a lower end of the lowermost upper belleville spring 5 among the plurality of upper belleville springs 5 and an upper end of the first column portion 32, a ring plate portion 811 of the other shock absorbing ring 8 is provided between a lower end of the second column portion 42 and an upper end of the uppermost lower belleville spring 7 among the plurality of lower belleville springs 7, a plurality of L-shaped plate portions 812 are uniformly provided on an outer periphery of the ring plate portion 811, an extending portion 8121 of each L-shaped plate portion 812 is connected to an outer periphery of the ring plate portion 811, a bent portion 8122 of each L-shaped plate portion 812 is connected to an outer end of the extending portion in an axial direction of the ring plate portion 811, the plug 821 of the rubber plug, the pressure head portion 822 of the rubber plug 82 abuts against the inner wall of the cavity 10, when the cutter bar vibrates, the rubber plug 82 and the L-shaped plate portion 812 of the bottom frame 81 can both generate elastic deformation to buffer the vibration, so that the balance of the cutter body is maintained, and meanwhile, when the upper damping block 3 and the lower damping block 4 are used, friction can be generated between the inner walls of the rubber plug 82 and the cavity 10, energy can be dissipated in a thermal form, and then the vibration of the cutter body is reduced.
In this embodiment, as shown in fig. 1 and 4, a pair of cushion rings 9 are further disposed inside the cavity 10, one cushion ring 9 is disposed between the lower end of the first column part 32 and the upper end of the compression spring 6, and the other cushion ring 9 is disposed between the upper end of the second column part 42 and the lower end of the compression spring 6, the cushion ring 9 has a base ring part 91, an upper curved annular brace 92 and a lower curved annular brace 93, the upper curved annular brace 92 and the lower curved annular brace 93 are symmetrically disposed on the outer periphery of the base ring part 91, the outer periphery of the upper curved annular brace 92 abuts against the inner wall of the cavity 10, the outer periphery of the lower curved annular brace 93 abuts against the inner wall of the cavity 10, the pair of cushion rings 9 can be elastically deformed during vibration of the tool holder to cushion the influence of the vibration holder, so as to maintain the tool body in balance, and, when the upper cushion block 3 and the lower cushion block 4 are disposed, friction is generated between the upper curved annular brace 92 and the lower curved annular brace 93 and the inner wall of the cavity 10, the energy can be dissipated in the form of heat, and the vibration of the knife body is further reduced.
In this embodiment, as shown in fig. 1, 4 and 5, a plurality of annular recesses 94 are respectively formed on the outer circumferential surfaces of the upper curved annular supporting arm 92 and the lower curved annular supporting arm 93 to increase the friction between the outer circumferential surfaces of the upper curved annular supporting arm 92 and the lower curved annular supporting arm 93 and the inner wall of the cavity 10, so as to improve the energy consumption and conversion, and further improve the damping effect.
In this embodiment, above-mentioned structure combined action for the cutter arbor has good shock attenuation effect.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An anti-seismic cutter bar comprises a cutter head (1) and a rod body (2), wherein the cutter head (1) is in threaded connection with the rod body (2), and a cavity (10) is formed inside the cutter head (1) and the rod body (2), and is characterized in that an upper damping block (3), a lower damping block (4), a plurality of upper belleville springs (5), a compression spring (6) and a plurality of lower belleville springs (7) are arranged inside the cavity (10), the plurality of upper belleville springs (5) are sleeved on an upper limiting column (31) at the upper end of the upper damping block (3) in a stacking manner and are positioned between the upper end face of a first column part (32) of the upper damping block (3) and the top wall of the cavity (10), the plurality of lower belleville springs (7) are sleeved on a lower limiting column (41) at the lower end of the lower damping block (4) in a stacking manner and are positioned between the lower end face of a second column part (42) of the lower damping block (4) and the bottom wall of the, compression spring (6) set up go up first column portion (32) of snubber block (3) with between the second column portion (42) of snubber block (4) down, just the upper portion cover of compression spring (6) is established go up on spacing boss (33) of the lower part of snubber block (3), the lower part cover of compression spring (6) is established on telescopic sleeve (43) on the upper portion of snubber block (4) down, telescopic link (34) activity setting of the lower part of going up snubber block (3) is in telescopic sleeve (43).
2. The anti-seismic cutter bar according to claim 1, wherein a pair of damping rings (8) are further arranged inside the cavity (10), each damping ring (8) comprises a bottom frame (81) and a plurality of rubber plugs (82), an annular plate portion (811) of the bottom frame (81) of one damping ring (8) is arranged between the lower end of the lowermost upper belleville spring (5) in the plurality of upper belleville springs (5) and the upper end of the first column portion (32), an annular plate portion (811) of the other damping ring (8) is arranged between the lower end of the second column portion (42) and the upper end of the uppermost lower belleville spring (7) in the plurality of lower belleville springs (7), a plurality of L-shaped plate portions (812) are uniformly arranged on the outer periphery of the annular plate portion (811), and an extension portion (8121) of the L-shaped plate portion (812) is connected to the outer periphery of the annular plate portion (811), the bending part (8122) of the L-shaped plate part (812) is connected to the outer end of the extending part (8121) and extends along the axial direction of the annular plate part (811), the plug part (821) of the rubber plug (82) is installed in the plug hole (81221) of the bending part (8122), and the pressing head part (822) of the rubber plug (82) is abutted against the inner wall of the cavity (10).
3. An anti-seismic cutter bar according to claim 1, wherein a pair of shock-absorbing washers (9) is further arranged inside the cavity (10), one shock-absorbing washer (9) is arranged between the lower end of the first column part (32) and the upper end of the compression spring (6), the other shock-absorbing washer (9) is arranged between the upper end of the second column part (42) and the lower end of the compression spring (6), and the peripheries of the pair of shock-absorbing washers (9) are abutted against the inner wall of the cavity (10).
4. The anti-seismic cutter bar according to claim 3, wherein the shock-absorbing washer (9) is provided with a base ring part (91), an upper bent annular supporting arm (92) and a lower bent annular supporting arm (93), the upper bent annular supporting arm (92) and the lower bent annular supporting arm (93) are symmetrically arranged on the periphery of the base ring part (91), the periphery of the upper bent annular supporting arm (92) is abutted against the inner wall of the cavity (10), and the periphery of the lower bent annular supporting arm (93) is abutted against the inner wall of the cavity (10).
5. Anti-seismic bar according to claim 1, characterized in that a first flow channel (35) is provided inside the upper shock-absorbing block (3) and a second flow channel (44) is provided inside the lower shock-absorbing block (4).
6. An anti-seismic bar according to claim 1, characterized in that the upper shock-absorbing block (3) is arranged at the upper part of the cavity (10), the lower shock-absorbing block (4) is arranged at the lower part of the cavity (10), the compression spring (6) is arranged at the middle part of the cavity (10), and the compression spring (6) is located between the upper shock-absorbing block (3) and the lower shock-absorbing block (4).
7. The anti-seismic cutter bar according to claim 4, wherein a plurality of annular concave pits (94) are formed in the outer peripheral surface of the upper bent annular supporting arm (92) and the outer peripheral surface of the lower bent annular supporting arm (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497890.6A CN109702506B (en) | 2018-12-07 | 2018-12-07 | Anti-seismic cutter bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497890.6A CN109702506B (en) | 2018-12-07 | 2018-12-07 | Anti-seismic cutter bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109702506A CN109702506A (en) | 2019-05-03 |
| CN109702506B true CN109702506B (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811497890.6A Active CN109702506B (en) | 2018-12-07 | 2018-12-07 | Anti-seismic cutter bar |
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| CN (1) | CN109702506B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802265B (en) * | 2019-12-06 | 2021-06-15 | 哈尔滨理工大学 | Vibration-damping slotting cutter and mounting method and control method thereof |
| CN115055987A (en) * | 2022-07-05 | 2022-09-16 | 深圳市誉和钻石工具有限公司 | Autonomous vibration reduction cutter bar |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3847139B2 (en) * | 2001-10-30 | 2006-11-15 | 京セラ株式会社 | Cutting tools |
| TWM501904U (en) * | 2015-01-19 | 2015-06-01 | Parfaite Tool Co Ltd | Shock absorbing knife |
| CN106270591B (en) * | 2016-09-21 | 2018-05-25 | 哈尔滨理工大学 | A kind of passive type damping boring bar |
| CN207494640U (en) * | 2017-11-23 | 2018-06-15 | 北京航空航天大学 | Vibration damping milling cutter |
| CN208004877U (en) * | 2018-03-29 | 2018-10-26 | 哈尔滨理工大学 | A kind of slotting cutter bar of milling cutter of the vibration damping based on disk spring and rubber ring |
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Application publication date: 20190503 Assignee: Zhejiang Creative Park Culture Communication Co.,Ltd. Assignor: ZHEJIANG INDUSTRY & TRADE VACATIONAL College Contract record no.: X2021330000387 Denomination of invention: A seismic cutter bar Granted publication date: 20200320 License type: Common License Record date: 20211011 |