CN108817639A - A kind of accurate short distance driving device - Google Patents
A kind of accurate short distance driving device Download PDFInfo
- Publication number
- CN108817639A CN108817639A CN201810771635.XA CN201810771635A CN108817639A CN 108817639 A CN108817639 A CN 108817639A CN 201810771635 A CN201810771635 A CN 201810771635A CN 108817639 A CN108817639 A CN 108817639A
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- China
- Prior art keywords
- piezoelectric ceramics
- short distance
- driving device
- wire
- fixing end
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- 239000000919 ceramic Substances 0.000 claims abstract description 53
- 230000036316 preload Effects 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention provides a kind of accurate short distance driving devices comprising：Parallelogram sturcutre is connected with two parallel swivel links including parallel fixing end and movable end between fixing end and movable end；Piezoelectric ceramics is set as stacked structures, and described piezoelectric ceramics one end is fixed with fixing end, and the other end is connect with one of swivel link；Thermal inconsistency is arranged near piezoelectric ceramics and provides and preload for piezoelectric ceramics；Wire clamp is fixed on movable end.This accurate short distance driving device have the advantages that it is of good reliability, be able to achieve wire clamp clamping wire after do quickly accurately wire feed or fracture of wire moves.
Description
Technical field
The invention belongs to technical field of driving, are related to a kind of accurate short distance driving device.
Background technique
Full-automatic wedge type of wire bonder is that wire is electrically connected semiconductor chip and pipe using ultrasonic wave and pressure
A kind of equipment of foot.In bonding process, wire clamp need to clamp wire and make wire feed forward or the backward short distance of fracture of wire with respect to chopper
From precise movement.Voice coil motor is the optional a kind of driving method for realizing this movement, but it needs mechanical position limitation to limit row
Journey, movement is all an impact to mechanical position limitation every time, there is certain defect for reliability.Piezoelectric Ceramic response speed
Degree is fast, and rigidity is high, no impact, and position precision is high, but it the shortcomings that be that stroke is short.In this regard, the present invention designs a kind of utilize in parallel
The accurate short distance driving device that quadrilateral structure amplifies stacking piezoelectric ceramics stroke, good reliability, to realize
The quick accurate wire feed done after wire clamp clamping wire or fracture of wire movement.
Summary of the invention
It the purpose of the present invention is there is the above problem in view of the prior art, proposes a kind of of good reliability, is able to achieve line
Quickly accurate wire feed or the accurate short distance driving device of fracture of wire movement are done after folder clamping wire.
Object of the invention can be realized by the following technical scheme：A kind of accurate short distance driving device, including：
Parallelogram sturcutre is connected with flat including parallel fixing end and movable end between fixing end and movable end
Two capable swivel links；
Piezoelectric ceramics is set as stacked structures, and described piezoelectric ceramics one end is fixed with fixing end, the other end and wherein one
A swivel link connection；
Thermal inconsistency is arranged near piezoelectric ceramics and provides and preload for piezoelectric ceramics；
Wire clamp is fixed on movable end.
As a further improvement of the present invention, the piezoelectric ceramics and the position of corresponding swivel link to fixing end most
Short straight line distance is a, and the length of the swivel link is L, and the parallelogram sturcutre amplifies piezoelectric ceramics stroke
Amplification factor be L/a times.
As a further improvement of the present invention, the thermal inconsistency is set as being located at the tension spring near piezoelectric ceramics, described
Tension spring one end is connected with fixing end, the other end and with piezoelectric ceramics connection corresponding swivel link be connected.
As a further improvement of the present invention, the thermal inconsistency is set as being located at default being processed near piezoelectric ceramics
Type structure, described default machine-shaping structure one end are fixed with fixing end, the other end and the corresponding rotation with piezoelectric ceramics connection
Connecting rod is connected.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect：This driving device is whole
Design rationally, using parallelogram sturcutre is amplified to piezoelectric ceramics stroke is stacked, i.e., is bonded in full-automatic wedge type of wire
On machine, drive wire clamp to do the movement of wire feed or fracture of wire using Piezoelectric Ceramic, stack piezoelectric ceramics one end be fixed on it is motionless
On one side on, the other end is connected on swivel link, preload by stacking piezoelectricity pottery side thermal inconsistency realize, stroke amplify journey
Degree is determined that wire clamp, which is fixed on, does parallel motion by the position of stacking piezoelectric ceramics and the ratio of entire swivel link length
On movable end, its displacement acts on the different location of swivel link with piezoelectric ceramics and is amplified, this accurate short distance is driven
The advantages of dynamic device reliability is good, and Piezoelectric Driving had both been utilized in it, also overcomes the insufficient weakness of stroke, realizes wire clamp clamping
Quick accurate wire feed or the fracture of wire movement done after wire.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, wherein：
Fig. 1 is the operation principle schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram of a preferred embodiment of the present invention.
Fig. 3 is the structural schematic diagram of another preferred embodiment of the present invention.
In figure, 100, parallelogram sturcutre；110, fixing end；120, movable end；130, swivel link；200, piezoelectricity is made pottery
Porcelain；300, thermal inconsistency；310, tension spring；320, machine-shaping structure is preset；400, wire clamp.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 1 to Fig. 3.
As shown in Figure 1 to Figure 2, this accurate short distance driving device includes：
Parallelogram sturcutre 100, including parallel fixing end 110 and movable end 120, in fixing end 110 and movable end
Two parallel swivel links 130 are connected between 120；
Piezoelectric ceramics 200, is set as stacked structures, the parallelogram sturcutre 100 to 200 stroke of piezoelectric ceramics into
Row amplification, described 200 one end of piezoelectric ceramics and fixing end 110 are fixed, and the other end is connect with one of swivel link 130；
Thermal inconsistency 300 is arranged piezoelectric ceramics 200 near and is that piezoelectric ceramics 200 is provided and preloaded；
Wire clamp 400 is fixed on movable end 120.
In the present invention, preferably, piezoelectric ceramics 200 is to stack piezoelectric ceramics 200, one end of which is fixed on motionless to consolidate
On fixed end 110, the other end is preferably withstood on the connecting rod of rotation.
The present invention protects a kind of accurate short distance driving device, is to be applied to accurate short-range driving device, especially suitable
Wire feed and fracture of wire movement on full-automatic wedge type of wire bonder, overall construction design is reasonable, utilizes parallelogram knot
100 pairs of stacking 200 strokes of piezoelectric ceramics of structure amplify, i.e., on full-automatic wedge type of wire bonder, utilize piezoelectric ceramics 200
Driving drives wire clamp 400 to do the movement of wire feed or fracture of wire, stack piezoelectric ceramics 200 one end be fixed on it is motionless on one side on, separately
One end is connected on swivel link 130, preload by stacking piezoelectricity pottery side thermal inconsistency 300 realize, stroke magnification level by
It stacks the ratio of 130 length of position and entire swivel link of piezoelectric ceramics 200 and determines, wire clamp 400, which is fixed on, to be done in parallel
On the movable end 120 of movement, its displacement acts on the different location of swivel link 130 with piezoelectric ceramics 200 and is amplified,
This accurate short distance driving device good reliability, it be both utilized Piezoelectric Driving above-mentioned advantage (fast response time, rigidity is high,
It is high without impact, position precision), also overcome the insufficient weakness of stroke, realize wire clamp 400 clamp done after wire it is quick
Accurate wire feed or fracture of wire movement.
In the present case, piezoelectric ceramics 200 and the shortest straight line of the position of corresponding swivel link 130 to fixing end 110 away from
From for a, the length of the swivel link 130 is L, and the parallelogram sturcutre 100 amplifies 200 stroke of piezoelectric ceramics
Amplification factor be L/a times.This case amplifies 200 stroke of piezoelectric ceramics using parallelogram sturcutre 100, simply
It says, stroke magnification level is determined by the ratio of 130 length of position and swivel link of stacking piezoelectric ceramics 200, such as Fig. 1 institute
Show, amplification factor is L/a times.
The thermal inconsistency 300 of this case is arranged flexibly, and as shown in Figures 2 and 3, this case can use tension spring 310, design of part
The modes such as preloading itself are added to carry out preloading setting.Preferably, as shown in connection with fig. 2, thermal inconsistency 300 is set as being located at piezoelectric ceramics
Tension spring 310 near 200, described 310 one end of tension spring are connected with fixing end 110, the other end and pair connecting with piezoelectric ceramics 200
Swivel link 130 is answered to be connected, further preferred tension spring 310 is arranged in parallel with piezoelectric ceramics 200, it is ensured that piezoelectric ceramics 200
Preloading effect.
As shown in connection with fig. 3, thermal inconsistency 300 is set as being located at the default machine-shaping structure near piezoelectric ceramics 200
320, described default 320 one end of machine-shaping structure and fixing end 110 are fixed, the other end and pair connecting with piezoelectric ceramics 200
Swivel link 130 is answered to be connected.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (4)
1. a kind of accurate short distance driving device, it is characterised in that：Including：
Parallelogram sturcutre is connected with parallel including parallel fixing end and movable end between fixing end and movable end
Two swivel links；
Piezoelectric ceramics is set as stacked structures, and described piezoelectric ceramics one end is fixed with fixing end, the other end and one of rotation
Turn connecting rod connection；
Thermal inconsistency is arranged near piezoelectric ceramics and provides and preload for piezoelectric ceramics；
Wire clamp is fixed on movable end.
2. a kind of accurate short distance driving device according to claim 1, it is characterised in that：The piezoelectric ceramics with it is corresponding
The shortest straight line distance of the position of swivel link to fixing end is a, and the length of the swivel link is L, parallel four side
Shape structure is L/a times to the amplification factor that piezoelectric ceramics stroke amplifies.
3. a kind of accurate short distance driving device according to claim 1 or 2, it is characterised in that：The thermal inconsistency is set
It is set to the tension spring being located near piezoelectric ceramics, described tension spring one end is connected with fixing end, the other end and connect with piezoelectric ceramics
Corresponding swivel link is connected.
4. a kind of accurate short distance driving device according to claim 1 or 2, it is characterised in that：The thermal inconsistency is set
It is set to the default machine-shaping structure being located near piezoelectric ceramics, described default machine-shaping structure one end is fixed with fixing end,
The other end and with piezoelectric ceramics connection corresponding swivel link be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771635.XA CN108817639A (en) | 2018-07-13 | 2018-07-13 | A kind of accurate short distance driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771635.XA CN108817639A (en) | 2018-07-13 | 2018-07-13 | A kind of accurate short distance driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108817639A true CN108817639A (en) | 2018-11-16 |
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| CN201810771635.XA Pending CN108817639A (en) | 2018-07-13 | 2018-07-13 | A kind of accurate short distance driving device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06260524A (en) * | 1993-03-09 | 1994-09-16 | Shinkawa Ltd | Wire clamper |
| US20010000613A1 (en) * | 1998-06-09 | 2001-05-03 | Jorg Wallaschek | Feed unit for moving parts |
| CN102810921A (en) * | 2011-06-02 | 2012-12-05 | 北京中电科电子装备有限公司 | Cooling device and cooling method for wire clamp driving motor of bonding machine, and bonding machine |
| CN206632574U (en) * | 2017-02-22 | 2017-11-14 | 深圳翠涛自动化设备股份有限公司 | A kind of piezoelectricity wire clamp |
| CN208483368U (en) * | 2018-07-13 | 2019-02-12 | 宁波尚进自动化科技有限公司 | A kind of accurate short distance driving device |
-
2018
- 2018-07-13 CN CN201810771635.XA patent/CN108817639A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06260524A (en) * | 1993-03-09 | 1994-09-16 | Shinkawa Ltd | Wire clamper |
| US20010000613A1 (en) * | 1998-06-09 | 2001-05-03 | Jorg Wallaschek | Feed unit for moving parts |
| CN102810921A (en) * | 2011-06-02 | 2012-12-05 | 北京中电科电子装备有限公司 | Cooling device and cooling method for wire clamp driving motor of bonding machine, and bonding machine |
| CN206632574U (en) * | 2017-02-22 | 2017-11-14 | 深圳翠涛自动化设备股份有限公司 | A kind of piezoelectricity wire clamp |
| CN208483368U (en) * | 2018-07-13 | 2019-02-12 | 宁波尚进自动化科技有限公司 | A kind of accurate short distance driving device |
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Application publication date: 20181116 |
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