CN209438940U - A kind of submissive shaking platform of two dimension that wedge shape pre-tightens - Google Patents
A kind of submissive shaking platform of two dimension that wedge shape pre-tightens Download PDFInfo
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- CN209438940U CN209438940U CN201920044643.4U CN201920044643U CN209438940U CN 209438940 U CN209438940 U CN 209438940U CN 201920044643 U CN201920044643 U CN 201920044643U CN 209438940 U CN209438940 U CN 209438940U
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- submissive
- shaking platform
- flexible hinge
- type flexible
- tightening apparatus
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Abstract
The utility model discloses a kind of submissive shaking platforms of two dimension that wedge shape pre-tightens, including driving source, submissive shaking platform, pedestal and wedge-shaped pre-tightening apparatus；The submissive shaking platform includes the outer side frame body of circular arc type flexible hinge, outside straight beam type flexible hinge, workbench, inside straight beam type flexible hinge and submissive shaking platform.When the driving source of both direction moves simultaneously, so that workbench is produced the mechanical oscillation of both direction, realize two-dimension vibration secondary process.Driving source provides micron-sized vibration by circular arc type flexible hinge for workbench, and outside straight beam type flexible hinge and inside straight beam type flexible hinge are arranged symmetrically about workbench, realize the decoupling motion of workbench, provide guarantee for the high-precision motion of shaking platform.This shaking platform is using wedge-shaped pre-tightening apparatus, and adjusting is more intuitive, and pretightning force is uniform.By adjusting the position of pre-loading screw, it is embodied as the purpose of the driving source preload of different type and size, it is adaptable.
Description
Technical field
The utility model relates to Precision Machining and special process field, the submissive vibration of two dimension of specifically a kind of wedge shape preload
Platform.
Background technique
In the processing miniature parts that structure is complicated and size is small, micro-milling processing technology is occupied extremely importantly
Position.But when processing hard brittle material, it is easy to appear the problems such as tool wear, machined surface quality are poor, processing efficiency is low.Vibration auxiliary
Processing has reduction cutting force, reduces tool wear rate, reduces burr formation, processing hard brittle material and improvement surface smoothness etc.
Advantage.Therefore, when processing the unmanageable micro parts such as hard brittle material, vibration assist Milling Process, which becomes one kind, to be had
The processing method of effect.
Ultrasonic amplitude transformer, the size of ultrasonic transducer are larger, larger to the complete machine stiffness effect of Micro Milling Machine.Application No. is
201610202687.6 document discloses a kind of two dimensional ultrasonic vibration platform based on flexible hinge structure, passes through two phases
Mutual vertically arranged ultrasonic generator provides two-dimension vibration for the platform of flexible hinge structure, but its size is big, to micro-
The complete machine stiffness effect of type milling machine is larger.Meanwhile there is no pre-tightening apparatus, due to the presence of platform rigidity, when ultrasonic wave occurs
When device high-frequency vibration, the case where being separated from each other there are ultrasonic amplitude transformer and platform, it cannot be guaranteed that machining accuracy.
Utility model content
In view of the deficiencies of the prior art, the technical issues of the utility model intends to solve is to provide a kind of wedge-shaped two pre-tightened
Tie up submissive shaking platform.
The technical solution that the utility model solves the technical problem is to provide a kind of submissive vibration of two dimension that wedge shape pre-tightens
Platform, it is characterised in that the shaking platform includes driving source, submissive shaking platform, pedestal and wedge-shaped pre-tightening apparatus；It is described submissive
Shaking platform includes circular arc type flexible hinge, outside straight beam type flexible hinge, workbench, inside straight beam type flexible hinge and submissive
The outer side frame body of shaking platform；
The outer side frame body of the submissive shaking platform is connect with pedestal；The workbench is located at the interposition of submissive shaking platform
It sets, is connect by the inside straight beam type flexible hinge being arranged symmetrically with outside straight beam type flexible hinge, outside straight beam type flexible hinge
Chain is connect with the outer side frame body of submissive shaking platform；Two wedge-shaped pre-tightening apparatus are mutually perpendicular to arrange；Wedge-shaped pre-tightening apparatus is located at soft
Inside the outer side frame body of CSC moving platform, with side frame body interior contact outside submissive shaking platform, the outer side frame body of submissive shaking platform is
The mobile offer track of wedge-shaped pre-tightening apparatus；Wedge-shaped pre-tightening apparatus one end is contacted with pre-loading screw, there is driving source inside the other end,
By adjusting pre-loading screw, the preload of driving source is realized；The driving source is contacted by circular arc type flexible hinge with workbench.
Compared with prior art, the utility model beneficial effect is:
1) when the driving source of both direction moves simultaneously, workbench is made to produce the mechanical oscillation of both direction, realized
Two-dimension vibration secondary process.This shaking platform is driven by piezoelectric actuator, and operating frequency range is big, and amplitude, waveform can
Control, kinematic accuracy are high.
2) this shaking platform overall dimensions are small, small to the complete machine stiffness effect of Micro Milling Machine, are easy to improve machining accuracy.
3) this shaking platform is using wedge-shaped pre-tightening apparatus, and adjusting is more intuitive, and pretightning force is uniform.By adjusting pre-loading screw
Position is embodied as the purpose of the driving source preload of different type and size, adaptable.
4) consider the space layout of horizontal mini milling machine and the structure limitation of Miniature machine tool electro spindle, the installation of this shaking platform
In workpiece side, vibration is applied to workpiece side, meets actual condition, meets the actual demand of vibration assist milling,
Enforcement difficulty is small, and driving source can be detected and be safeguarded in time when something goes wrong.
5) driving source provides micron-sized vibration, outside straight beam type flexible hinge by circular arc type flexible hinge for workbench
It is arranged symmetrically with inside straight beam type flexible hinge about workbench, realizes the decoupling motion of workbench, be the height of shaking platform
Precise movements provide guarantee.
Detailed description of the invention
Fig. 1 is a kind of overall structure isometric view of embodiment of the utility model；
Fig. 2 is a kind of overall structure schematic front view of embodiment of the utility model；
Fig. 3 is a kind of overall structure schematic top plan view of embodiment of the utility model；
Fig. 4 is the partial enlarged view in the utility model Fig. 3 after location A removal pre-tightening apparatus pressing plate；
In figure: 1- pre-tightening apparatus pressing plate；2- driving source；The submissive shaking platform of 3-；3.1- circular arc type flexible hinge；3.2- outer
Side straight beam type flexible hinge；3.3- workbench；Straight beam type flexible hinge on the inside of 3.4-；The outer side frame body of the submissive shaking platform of 3.5-；
4- pedestal；5- wedge shape pre-tightening apparatus；The upper wedge shape of 5.1- pre-tightens block；Wedge shape pre-tightens block under 5.2-；6- pre-loading screw；
Specific embodiment
Specific embodiment of the utility model is given below.Specific embodiment is only used for being further described originally practical new
Type does not limit the protection scope of the claim of this application.
The submissive shaking platform of two dimension that the utility model provides a kind of wedge shape preload (referring to Fig. 1-4, referred to as vibrates flat
Platform), it is characterised in that the shaking platform includes driving source 2, submissive shaking platform 3, pedestal 4 and wedge-shaped pre-tightening apparatus 5；It is described soft
CSC moving platform 3 is soft including circular arc type flexible hinge 3.1, outside straight beam type flexible hinge 3.2, workbench 3.3, inside straight beam type
Property the hinge 3.4 and outer side frame body 3.5 of submissive shaking platform；
The outer side frame body 3.5 of the submissive shaking platform is connect by connector (the present embodiment is screw) with pedestal 4；It is described
Workbench 3.3 is located at the middle position of submissive shaking platform 3, by the inside straight beam type flexible hinge 3.4 that is arranged symmetrically and outer
Side straight beam type flexible hinge 3.2 connects, and outside straight beam type flexible hinge 3.2 is connect with the outer side frame body 3.5 of submissive shaking platform；Two
A wedge shape pre-tightening apparatus 5 is mutually perpendicular to arrange；Wedge-shaped pre-tightening apparatus 5 is located inside the outer side frame body 3.5 of submissive shaking platform, and soft
CSC moving platform 3.5 interior contact of outer side frame body, the outer side frame body 3.5 of submissive shaking platform are that the movement of wedge-shaped pre-tightening apparatus 5 mentions
For track；Wedge-shaped 5 one end of pre-tightening apparatus is contacted with pre-loading screw 6, has driving source 2 inside the other end, by adjusting pre-loading screw
6, realize the preload of driving source 2；The driving source 2 is contacted by circular arc type flexible hinge 3.1 with workbench 3.3, is workbench
3.3 provide the driving of two freedom degrees, realize the vibration of both direction.
The shaking platform further includes pre-tightening apparatus pressing plate 1；By connector, (the present embodiment is the pre-tightening apparatus pressing plate 1
Screw) it is mounted in the outer side frame body 3.5 of submissive shaking platform, lower surface is contacted with wedge-shaped pre-tightening apparatus 5, prevents wedge-shaped preload
Device 5 is slipped out of submissive shaking platform 3.
The wedge shape pre-tightening apparatus 5 includes that upper wedge shape preload block 5.1 and lower wedge shape pre-tighten block 5.2；Upper wedge shape pre-tightens block 5.1
Block 5.2 is pre-tightened with lower wedge shape to contact with each other；Upper wedge shape pre-tightens block 5.1 and contacts with pre-loading screw 6, and it is pre- that driving source 2 is located at lower wedge shape
Inside tight block 5.2.
The driving source 2 uses piezoelectric actuator.
The working principle and workflow of the utility model are: by adjusting pre-loading screw 6, wedge shape pre-tightens block in promotion
5.1 is mobile, so that lower wedge shape is pre-tightened block 5.2 and moves in side frame body 3.5 outside submissive shaking platform, realizes the preload of driving source 2.It is logical
External device (ED) input waveform is crossed, control driving source 2 generates suitable frequency and amplitude, to make outside straight beam type flexible hinge
3.2 and inside straight beam type flexible hinge 3.4 generate the deformation of corresponding micron order, so that workbench 3.3 be made to generate mechanical oscillation.It can be with
Change the frequency and amplitude of driving source 2 by input signal, adjusts the vibration frequency and amplitude of workbench 3.3, improve vibration
The bandwidth of operation of platform.When the driving source 2 of both direction moves simultaneously, workbench 3.3 is made to produce the machinery of both direction
Vibration, realizes two-dimension vibration secondary process.
The utility model does not address place and is suitable for the prior art.
Claims (4)
1. a kind of submissive shaking platform of two dimension, it is characterised in that the shaking platform include driving source, submissive shaking platform, pedestal and
Wedge-shaped pre-tightening apparatus；The submissive shaking platform includes circular arc type flexible hinge, outside straight beam type flexible hinge, workbench, interior
Side straight beam type flexible hinge and the outer side frame body of submissive shaking platform；
The outer side frame body of the submissive shaking platform is connect with pedestal；The workbench is located at the middle position of submissive shaking platform,
Connect by the inside straight beam type flexible hinge being arranged symmetrically with outside straight beam type flexible hinge, outside straight beam type flexible hinge with
The outer side frame body connection of submissive shaking platform；Two wedge-shaped pre-tightening apparatus are mutually perpendicular to arrange；Wedge-shaped pre-tightening apparatus is located at submissive vibration
Inside the outer side frame body of moving platform, with side frame body interior contact outside submissive shaking platform, the outer side frame body of submissive shaking platform is wedge shape
The mobile offer track of pre-tightening apparatus；Wedge-shaped pre-tightening apparatus one end is contacted with pre-loading screw, is had driving source inside the other end, is passed through
Pre-loading screw is adjusted, realizes the preload of driving source；The driving source is contacted by circular arc type flexible hinge with workbench.
2. the submissive shaking platform of two dimension according to claim 1, it is characterised in that the shaking platform further includes pre-tightening apparatus
Pressing plate；The pre-tightening apparatus pressing plate is mounted in the outer side frame body of submissive shaking platform, and lower surface is contacted with wedge-shaped pre-tightening apparatus,
Prevent wedge-shaped pre-tightening apparatus from slipping out of submissive shaking platform.
3. the submissive shaking platform of two dimension according to claim 1, it is characterised in that the wedge shape pre-tightening apparatus includes upper wedge
Shape pre-tightens block and lower wedge shape pre-tightens block；Upper wedge shape pre-tightens block and lower wedge shape pre-tightens block and contacts with each other；Upper wedge shape pre-tightens block and pre-tightens
Screw contact, driving source are located at lower wedge shape and pre-tighten inside block.
4. the submissive shaking platform of two dimension according to claim 1, it is characterised in that the driving source uses piezoelectric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920044643.4U CN209438940U (en) | 2019-01-10 | 2019-01-10 | A kind of submissive shaking platform of two dimension that wedge shape pre-tightens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920044643.4U CN209438940U (en) | 2019-01-10 | 2019-01-10 | A kind of submissive shaking platform of two dimension that wedge shape pre-tightens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209438940U true CN209438940U (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920044643.4U Expired - Fee Related CN209438940U (en) | 2019-01-10 | 2019-01-10 | A kind of submissive shaking platform of two dimension that wedge shape pre-tightens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530198A (en) * | 2019-01-10 | 2019-03-29 | 河北工业大学 | A kind of submissive shaking platform of two dimension that wedge shape pre-tightens |
-
2019
- 2019-01-10 CN CN201920044643.4U patent/CN209438940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530198A (en) * | 2019-01-10 | 2019-03-29 | 河北工业大学 | A kind of submissive shaking platform of two dimension that wedge shape pre-tightens |
| CN109530198B (en) * | 2019-01-10 | 2024-04-09 | 河北工业大学 | Wedge-shaped pre-tightening two-dimensional compliant vibration platform |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 Termination date: 20220110 |