CN110657191B - Damping-adjustable vibration isolator for high-speed punch press - Google Patents
Damping-adjustable vibration isolator for high-speed punch press Download PDFInfo
- Publication number
- CN110657191B CN110657191B CN201910811491.0A CN201910811491A CN110657191B CN 110657191 B CN110657191 B CN 110657191B CN 201910811491 A CN201910811491 A CN 201910811491A CN 110657191 B CN110657191 B CN 110657191B
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- Prior art keywords
- damping
- adjusting block
- bottom plate
- speed punch
- vibration isolator
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- 238000013016 damping Methods 0.000 claims abstract description 144
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000002955 isolation Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0076—Noise or vibration isolation means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Vibration Prevention Devices (AREA)
Abstract
本发明涉及一种高速冲床阻尼可调隔振器，包括上底板和下底板，所述的上底板和下底板之间设置有若干个弹簧，所述的下底板的中部设置有内置阻尼液的阻尼缸，所述的上底板下侧设置有下端没入阻尼液中的阻尼塞，所述的上底板的中部通过螺纹竖向连接有阻尼调节块，所述的阻尼调节块的下端没入阻尼液中且可通过转动进行上下移动。本发明通过阻尼块的螺旋特征、可调节上下位移的螺钉结构，根据高速冲床所需的不同阻尼力以及需要达到的隔振效果，调节得到不同的阻尼隔振效果。
The invention relates to a damping adjustable vibration isolator for a high-speed punch, comprising an upper bottom plate and a lower bottom plate, a plurality of springs are arranged between the upper and lower bottom plates, and a damper with built-in damping fluid is arranged in the middle of the lower bottom plate. Damping cylinder, the lower side of the upper bottom plate is provided with a damping plug whose lower end is immersed in the damping liquid, the middle part of the upper bottom plate is vertically connected with a damping adjustment block through threads, and the lower end of the damping adjustment block is immersed in the damping liquid. And can be moved up and down by turning. The present invention adjusts to obtain different damping and vibration isolation effects according to the different damping forces required by the high-speed punch and the required vibration isolation effects through the helical characteristics of the damping block and the screw structure that can adjust the up and down displacement.
Description
Technical Field
The invention relates to the field of vibration isolators, in particular to a damping-adjustable vibration isolator for a high-speed punch press.
Background
When the high-speed punch press is in operation, vibration is inevitably generated due to various vibration excitation factors. The vibration of the punch press has a great influence on the processing of parts, and particularly for high-precision ultra-precise machinery, attention is particularly needed to prevent the influence of the surrounding environment on the operation of mechanical equipment. The vibration of the high-speed punch, particularly the high-speed ultra-precise punch, in the working process not only affects the processing precision, shortens the service life of a die and reduces the production efficiency, but also causes the fatigue and the damage of the punch. Therefore, it is important to control the vibration of the high speed punching machine, and research and manufacture of the vibration isolation device of the high speed punching machine are also important.
The high-speed punch vibration isolation device is generally arranged between a high-speed punch and a foundation, and the vibration effect is reduced by utilizing the damping effect of a vibration attenuation element (a spring, damping and the like), so that the vibration of the high-speed punch is controlled and peripheral facilities are protected, the energy of a vibration source is transmitted to other surrounding equipment as little as possible, and the normal use of other equipment is prevented from being influenced. The different running speeds of the high-speed punch press can generate different vibration effects in the use process, so that the adjustable damping of the vibration isolator for the high-speed punch press is completely required.
Disclosure of Invention
The invention aims to solve the technical problem of providing a damping adjustable vibration isolator for a high-speed punch press, which can adjust different damping vibration isolation effects according to different damping forces required by the high-speed punch press and the vibration isolation effect required to be achieved by the screw structure capable of adjusting the up-down displacement through the spiral characteristics of a damping block.
The invention relates to a damping-adjustable vibration isolator for a high-speed punch press, which comprises an upper bottom plate and a lower bottom plate, wherein a plurality of springs are arranged between the upper bottom plate and the lower bottom plate, a damping cylinder with damping liquid inside is arranged in the middle of the lower bottom plate, a damping plug with the lower end immersed in the damping liquid is arranged on the lower side of the upper bottom plate, a damping adjusting block is vertically connected to the middle of the upper bottom plate through threads, and the lower end of the damping adjusting block is immersed in the damping liquid and can move up and down through rotation.
Furthermore, the damping adjusting block is integrally conical and hollow inside.
Furthermore, the outer surface of the damping adjusting block is provided with a spiral groove and a vent hole communicated with the inner hollow part.
Furthermore, the surface of the spiral groove is provided with a characteristic of not penetrating through a concave pit or a convex pit or a notch.
Furthermore, an inclined cut-in groove is formed in the end face of the lower end of the damping adjusting block, and a protrusion is arranged on the outer side of the cut-in groove.
Furthermore, a thread positioning cylinder is arranged in the middle of the lower side of the upper bottom plate, the damping adjusting block is in threaded connection with the inner side wall of the thread positioning cylinder, and a central column penetrating through the upper bottom plate is arranged in the middle of the damping adjusting block.
Furthermore, the upper end of the damping adjusting block is connected with at least one fixing screw which penetrates through the upper bottom plate.
Furthermore, the damping cylinder is of an inner layer structure and an outer layer structure which are coaxially arranged, and the inner layer structure and the outer layer structure are communicated through damping holes.
Furthermore, two ends of the lower side surface of the upper bottom plate are vertically connected with limit screws, and the lower ends of the limit screws are buckled with the lower bottom plate.
Furthermore, the upper end of the spring is connected with the upper bottom plate through the upper spring base, and the lower end of the spring is connected with the lower bottom plate through the lower spring base.
Has the advantages that: the invention relates to a damping-adjustable vibration isolator for a high-speed punch, which is novel in structure, is additionally provided with a damping adjusting mechanism and a limiting fixing mechanism, can adjust the damping according to the working state of the high-speed punch, adapts to different working states of the high-speed punch, and enables the vibration isolator to meet the requirements of the high-speed punch in different punching states; the damping adjusting block is changed in external characteristics, the damping adjusting block is set to be in an integral taper shape, and the bottom of the damping adjusting block is provided with a cut-in groove characteristic, so that the damping adjusting block can move up and down and can be adjusted in contact area with damping liquid, and damping adjustment is achieved.
Drawings
FIG. 1 is a front view, half section, block diagram of the present invention;
fig. 2 is a structural view of a damping adjusting block of the present invention.
The figure is as follows: 1. a lower spring base; 2. a spring; 3. a vent hole; 4. a spring upper base; 5. an upper base plate; 6. a threaded positioning cylinder; 7. a damping adjusting block; 8. a set screw; 9. a damping plug; 10. damping fluid; 11. a damping cylinder; 12. a limit screw; 13. a lower base plate; 14. a damping hole; 15. and cutting into a groove.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1-2, the embodiment of the invention relates to a damping adjustable vibration isolator for a high-speed punch press, which comprises an upper bottom plate 5 and a lower bottom plate 13, wherein a plurality of springs 2 are arranged between the upper bottom plate 5 and the lower bottom plate 13, a damping cylinder 11 with a built-in damping liquid 10 is arranged in the middle of the lower bottom plate 13, a damping plug 9 with the lower end submerged in the damping liquid 10 is arranged on the lower side of the upper bottom plate 5, a damping adjusting block 7 is vertically connected in the middle of the upper bottom plate 5 through threads, and the lower end of the damping adjusting block 7 is submerged in the damping liquid 10 and can move up and down through rotation.
The up-down position of the damping adjusting block 7 is adjusted by rotating the damping adjusting block 7, so that the contact area between the damping adjusting block 7 and the damping liquid 10 is adjusted, and the damping force is adjusted.
The damping adjusting block 7 is integrally conical and hollow, and the conical damping adjusting block 7 can obviously and quickly adjust the contact area between the damping adjusting block 7 and the damping liquid 10.
The outer surface of the damping adjusting block 7 is provided with a spiral groove and a vent hole 3 communicated with the inner hollow cavity, the spiral groove is beneficial to improving damping force, and the vent hole 3 is positioned at the upper end of the inner hollow cavity, so that gas is conveniently released in the adjusting process.
In order to further improve the damping force, a characteristic that does not penetrate through a concave pit or a convex pit or a notch can be arranged on the surface of the spiral groove.
The lower end face of the damping adjusting block 7 is provided with an inclined cut-in groove 15, a protrusion is arranged on the outer side of the cut-in groove 15, and the damping adjusting block 7 rotates to move up and down, so that the cut-in groove 15 facilitates displacement adjustment of the damping adjusting block 7 in damping liquid.
For the rotation adjustment of the damping adjusting block 7, the middle part of the lower side of the upper bottom plate 5 is provided with a thread positioning cylinder 6, the damping adjusting block 7 is in threaded connection with the inner side wall of the thread positioning cylinder 6, the middle part of the damping adjusting block 7 is provided with a central column penetrating through the upper bottom plate 5, and the damping adjusting block 7 can be driven to rotate only by rotating the central column during operation.
In order to prevent the damping adjusting block 7 from rotating automatically under the condition of not needing to adjust, the upper end of the damping adjusting block 7 is connected with at least one fixing screw 8 which penetrates through the upper bottom plate 5, two fixing screws are usually arranged and symmetrically arranged, the damping adjusting block 7 can be effectively locked through the fixing screws 8, and the fixing screws 8 are detached when the damping adjusting block is required to be adjusted.
The damping cylinder 11 is of a coaxial inner-outer layer structure, the inner layer and the outer layer are communicated through the damping holes 14, the damping cylinder 11 adopts an inner-outer layer structure, so that damping force of the damping plug 9 and the damping adjusting block 7 cannot be influenced mutually, and damping liquid can flow slowly between the inner layer and the outer layer.
The both ends vertical connection of the downside of upper plate 5 have stop screw 12, stop screw 12 the lower extreme and lower plate 13 fasten, upper plate 5 and lower plate 13 fix spacingly through stop screw 12 about the isolator to exert preliminary compressive force to spring 2, guarantee that the basic appearance of isolator is complete.
The upper end of the spring 2 is connected with the upper bottom plate 5 through the upper spring base 4, and the lower end of the spring 2 is connected with the lower bottom plate 13 through the lower spring base 1.
This patent adjustable vibration isolator of damping before the work, earlier because high speed punch press self heavily presses the effect further compression spring 2, bottom plate pressfitting is compelled to be nearly about the vibration isolator, damping regulating block 7 submerges in damping liquid 10 in the damping jar 11, damping liquid 10 and the contact of the inside and outside surface large tracts of land of damping stopper 9, and be full of 7 surperficial spiral slot characteristics of damping regulating block, pit or through-hole, groove etc. on spiral slot surface get into 7 inside rather than the internal surface contact of damping regulating block.
The damping adjusting block 7 moves up and down with small amplitude along with different rotating speeds of the high-speed punch, the upper bottom plate 5 of the vibration isolator is fixed with the base of the high-speed punch, when the high-speed punch moves downwards, the spring 2 is compressed, the movement of the spring is delayed by the spring 2, the damping plug 9 and the damping adjusting block 7 are more deeply submerged in the damping liquid 10, and the surface of the damping liquid 10 is filled with the damping liquid; when the high-speed punch moves upwards, the upper bottom plate 5 drives the damping adjusting block 7 to move upwards, the spring 2 has the tendency of returning to the original length, the whole spring is pulled upwards, the part of the spring, which is not positioned in the damping liquid 10, is blocked by the adhesion of the damping liquid 10, and has the downward pulling force, and in the moving process that the damping plug 9 and the damping adjusting block 7 slowly and upwards separate from the damping liquid 10, the returning speed is delayed, part of vibration energy is absorbed, and the vibration effect of the high-speed punch is reduced.
When the high-speed punch press needs different damping effects, the central column of the damping adjusting block 7 is rotated, and the contact areas of the damping plug, the damping adjusting block and the damping liquid are adjusted to obtain different damping effects.
The damping adjusting mechanism and the limiting fixing mechanism are added, the damping can be adjusted according to the working state of the high-speed punch press, different working states of the high-speed punch press are adapted, and the vibration isolator meets the requirements of the high-speed punch press in different punching states; the damping adjusting block is changed in external characteristics, the damping adjusting block is set to be in an integral taper shape, and the bottom of the damping adjusting block is provided with a cut-in groove characteristic, so that the damping adjusting block can move up and down and can be adjusted in contact area with damping liquid, and damping adjustment is achieved.
Claims (7)
1. The utility model provides an adjustable isolator of high speed punch damping, includes upper plate (5) and lower plate (13), its characterized in that: the damping device is characterized in that a plurality of springs (2) are arranged between the upper base plate (5) and the lower base plate (13), a damping cylinder (11) with built-in damping liquid (10) is arranged in the middle of the lower base plate (13), a damping plug (9) with the lower end immersed in the damping liquid (10) is arranged on the lower side of the upper base plate (5), a damping adjusting block (7) is vertically connected to the middle of the upper base plate (5) through threads, the lower end of the damping adjusting block (7) is immersed in the damping liquid (10) and can move up and down through rotation, the damping adjusting block (7) is integrally conical and is hollow inside, a spiral groove and a vent hole (3) communicated with the hollow inside are formed in the outer surface of the damping adjusting block (7), and a concave pit, a bulge or an opening characteristic is not penetrated through the surface of the spiral groove.
2. The adjustable vibration isolator for high speed punch press damping according to claim 1, wherein: the damping adjusting block (7) is characterized in that an inclined cut-in groove (15) is formed in the end face of the lower end of the damping adjusting block, and a protrusion is arranged on the outer side of the cut-in groove (15).
3. The adjustable vibration isolator for high speed punch press damping according to claim 1, wherein: the middle part of the lower side of the upper bottom plate (5) is provided with a thread positioning cylinder (6), the damping adjusting block (7) is in threaded connection with the inner side wall of the thread positioning cylinder (6), and the middle part of the damping adjusting block (7) is provided with a central column penetrating through the upper bottom plate (5).
4. The adjustable vibration isolator for high speed punch press damping according to claim 3, wherein: the upper end of the damping adjusting block (7) is connected with at least one fixing screw (8) which penetrates through the upper bottom plate (5).
5. The adjustable vibration isolator for high speed punch press damping according to claim 1, wherein: the damping cylinder (11) is of a coaxial inner-outer layer structure, and the inner layer and the outer layer are communicated through a damping hole (14).
6. The adjustable vibration isolator for high speed punch press damping according to claim 1, wherein: the two ends of the lower side surface of the upper bottom plate (5) are vertically connected with limit screws (12), and the lower ends of the limit screws (12) are buckled with the lower bottom plate (13).
7. The adjustable vibration isolator for high speed punch press damping according to claim 1, wherein: the upper end of the spring (2) is connected with the upper base plate (5) through the upper spring base (4), and the lower end of the spring (2) is connected with the lower base plate (13) through the lower spring base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811491.0A CN110657191B (en) | 2019-08-30 | 2019-08-30 | Damping-adjustable vibration isolator for high-speed punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811491.0A CN110657191B (en) | 2019-08-30 | 2019-08-30 | Damping-adjustable vibration isolator for high-speed punch press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110657191A CN110657191A (en) | 2020-01-07 |
| CN110657191B true CN110657191B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910811491.0A Expired - Fee Related CN110657191B (en) | 2019-08-30 | 2019-08-30 | Damping-adjustable vibration isolator for high-speed punch press |
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| CN (1) | CN110657191B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810917B (en) * | 2022-05-18 | 2023-10-03 | 太原科技大学 | Cab vibration isolation device for heavy engineering equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648577A (en) * | 1984-06-27 | 1987-03-10 | Gerb Gesellschaft Fur Isolierung Mbh & Co., Kg | Viscous damper having a conical plunger tube |
| CN1096861A (en) * | 1993-06-24 | 1994-12-28 | 株式会社日立制作所 | Vibration control apparatus |
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN101825152A (en) * | 2009-03-05 | 2010-09-08 | 尹学军 | Spring damping vibration isolator |
-
2019
- 2019-08-30 CN CN201910811491.0A patent/CN110657191B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648577A (en) * | 1984-06-27 | 1987-03-10 | Gerb Gesellschaft Fur Isolierung Mbh & Co., Kg | Viscous damper having a conical plunger tube |
| CN1096861A (en) * | 1993-06-24 | 1994-12-28 | 株式会社日立制作所 | Vibration control apparatus |
| CN101457554A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Damping ratio adjustable tuning quality damper |
| CN101825152A (en) * | 2009-03-05 | 2010-09-08 | 尹学军 | Spring damping vibration isolator |
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| Publication number | Publication date |
|---|---|
| CN110657191A (en) | 2020-01-07 |
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