CN203411018U - Piezoelectric driving type part feeder - Google Patents
Piezoelectric driving type part feeder Download PDFInfo
- Publication number
- CN203411018U CN203411018U CN201290000196.9U CN201290000196U CN203411018U CN 203411018 U CN203411018 U CN 203411018U CN 201290000196 U CN201290000196 U CN 201290000196U CN 203411018 U CN203411018 U CN 203411018U
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- CN
- China
- Prior art keywords
- drive block
- spring
- bolt
- fixed
- driving type
- Prior art date
- 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.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/08—Supports or mountings for load-carriers, e.g. framework, bases, spring arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G27/00—Jigging conveyors
- B65G27/10—Applications of devices for generating or transmitting jigging movements
- B65G27/16—Applications of devices for generating or transmitting jigging movements of vibrators, i.e. devices for producing movements of high frequency and small amplitude
- B65G27/24—Electromagnetic devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Jigging Conveyors (AREA)
- Feeding Of Articles To Conveyors (AREA)
Abstract
The utility model provides a piezoelectric driving type part feeder. The piezoelectric driving type part feeder is structurally characterized in that the upper end of a vibration generator (4) is connected with an amplification spring (5) and the lower end of the vibration generator (4) is bolted on a driving block (2) at a state of being inclined relative to the vertical direction; the upper end of the amplification spring (5) is bolted on a top plate (1) with a groove; a long-strip-shaped connection spring (6) is used for elastically supporting the driving block (2) on a base (3) and the lower end of the long-strip-shaped connection spring is bolted on the base (3); the middle part of the connection spring (6) is coaxial to and bolted with the lower end of the vibration generator (4) and is bolted with the driving block (2); and the upper end of the connection spring (6) is coaxial to and bolted with the amplification spring (5) and is bolted on the top plate (1), so that an adjusting spring (7) and the connection spring (6) are arranged between the top plate (1) and the driving block (2) in an overlapped manner. According to the structure, the vibration state of the top plate is not changed by the changes of weight, peripheral temperatures and the like of parts; and furthermore, an unskilled operator can simply and conveniently adjust and can smoothly carry small parts.
Description
Technical field
The utility model relates to a kind of parts feeder that uses the vibration generator of piezoelectric element to arrange and transport part that utilizes.
Background technology
As typical driving type piezoelectric actuator parts feeder, the known device having as shown in Figure 8.
It links amplification spring 36 and the vibration machine that is fixed with piezoelectric element 33 on elastic plate 34, and its upper end and top board 32 bolts that are installed with load bearing element groove are fixed, and lower end is fixed with drive block 37 bolts of large quality, forms parallelogram shape.Afterwards, drive block 37 is used linking springs 35 and pedestal 31 be connected (patent document 1).
This parts feeder is by applying and encourage the voltage that shakes to piezoelectric element 33, and making vibration machine take with the connecting part of drive block 37 is fulcrum, produces skew vibration, after being amplified by amplification spring 36, makes top board 32 in oblique above-below direction vibration.In addition, the vibration that utilizes linking springs 35 to suppress drive block 37 is conducted to pedestal 31.
Prior art document
Patent documentation
Patent documentation 1: Japanese Utility Model patent discloses flat 5-44328 communique
Utility model content
Therefore parts feeder can take out with prescribed form the part of the various shapes of accumulation at random, is used widely as part automatic supplier in manufacturing line etc.
In order to drive efficiently parts feeder, conventionally design as the case may be, the eigentone of mechanical system and the frequency of vibration machine are resonated, consider part shape, weight, space etc. is set, to obtain optimal vibration.
But, except the spring constant of amplification spring,, the installing condition of the weight of drive block and balance, groove etc., the changes in weight of part, peripheral temperature variation etc. also can cause eigentone to change, be therefore difficult to maintain the driving under resonance condition.
Therefore, usually need to repeatedly to parts feeder, adjust, and must be to be undertaken by those skilled in the art.
In addition, under the situation of the micro parts such as LED, electronic component, be difficult to transport smoothly, but by making the vertical direction that is tilted to of vibration machine and amplification spring make resonance frequency become large (more than 180Hz) near (5～10 degree), just can transport smoothly.But when amplification spring is tilted, the part transportation speed of top board leading section and rearward end can produce difference, cause unsteady motion, in addition, when resonance frequency becomes large, be difficult to maintain the driving under resonance condition, can part often occur and takeoff, the problem that is difficult to transport smoothly.
In addition, groove is before and after the installing condition of grooved top plate can not affect and the balance of left and right, but in actual field, because the reason most cases in subsequent handling or space is difficult to accomplish.
Under the poor situation of the balance of fore-and-aft direction, at its front end place, takeoff and become large, the problem that load can occur to transport on the contrary.In order to prevent this problem, thereby adopt at groove, be embedded in balance weight adjustment center-of-gravity position, or change amplification spring, but this adjustment is difficult to, and needs the proficiency of certain degree.
In addition, for the step-up transformer to vibration machine supply electric power normally makes base portion extend, carry, but the whole change of device is large, is often difficult to guarantee to arrange space.
Therefore, also there is the situation loading in drive block top, but owing to being the drive block that is installed on vibration, therefore have the problem of poor durability.
In view of the above-mentioned problems, even if the purpose of this utility model is to provide a kind of, not that those skilled in the art also can adjust easily, can transport smoothly the compact parts feeder of micro parts.
In order to achieve the above object, driving type piezoelectric actuator parts feeder of the present utility model is constructed as follows.It is characterized in that, amplification spring is linked to the upper end of the vibration machine that is fixed with piezoelectric element on elastic plate, vibration machine tilts with respect to vertical direction, fix with drive block bolt, and the upper end of amplification spring is fixed with the roof bolt that groove is installed, utilize linking springs by this drive block elastic support in pedestal, form parallelogram shape, wherein, this linking springs is the parts of strip shape, lower end and foundation bolt are fixed, and coaxially in the bolt of this vibration machine lower end, fix and fix with this drive block bolt, upper end is coaxially fixed and fixed with this roof bolt in the bolt of this amplification spring, adjustment spring and this linking springs are arranged between this top board and this drive block overlappingly.
In this parts feeder, amplification spring is linked to the upper end of vibration machine and it is tilted, upper end is fixed with the front-end and back-end bolt of top board respectively, and by lower end respectively bolt be fixed on drive block, form parallelogram shape.
The antagonistic force being vibrated due to drive block, therefore can make its quality large as far as possible, and the side cover thickness of slab that can make to cover side is large, carrys out driven supporting.
In the 3rd embodiment, preferably to cover the mode of left and right side, side cover portion and drive block are integrally formed by foundry goods.And the lower central place at drive block is formed with cavity, with the central portion at pedestal, carry step-up transformer.
Preferably linking springs is arranged to the outside of vibration machine and amplification spring, in front side, be disposed at the place ahead of vibration machine and amplification spring, at rear side, be disposed at the rear of vibration machine and amplification spring, but according to circumstances also can (linking springs be arranged to the inner side of vibration machine and amplification spring) on the contrary.
Linking springs and pedestal and drive block link, and link with top board.And linking springs and link top board and drive block, coaxially in the bolt of the upper end of linking springs and the lower end of vibration machine, fix and bolt is fixed.Vibration machine and linking springs are installed as the state being parallel to each other, mutually not contact.In addition, the position linking for linking springs and drive block can be chosen in the lower side of drive block, and top board is to 1/2～1/3 position of pedestal distance.
Except adjusting vibration by changing the thickness of amplification spring, the adjustment spring that also can be arranged between top board and drive block by suitable selection is adjusted vibration.
Conventionally, can make the inclination of vibration machine and amplification spring is 12～20 degree with respect to vertical direction, and resonance frequency is 60～200Hz.But, with micro parts when transporting object, in the second embodiment, preferably make vibration machine and amplification spring with respect to vertical direction 5～10 degree that tilt, resonance frequency is 200～300Hz.
In driving type piezoelectric actuator parts feeder of the present utility model, linking springs is the parts of strip shape, lower end of the bolt is fixed on pedestal and coaxially in the bolt of the lower end of vibration machine, is fixed and fix with drive block bolt, upper end is coaxially fixed and is fixed with roof bolt in the bolt of amplification spring, thus, utilize linking springs that top board, drive block and pedestal are moved integratedly, the vibration of top board is stable and level and smooth, can not change because of the weight of parts, the temperature change of periphery and changing.And component count and screw part are few, compact conformation, fault is few, good economy performance.
And then, due to adjustment spring and linking springs are overlapped between top board and drive block, therefore adjust operation easy.
In addition, as the utility model the second embodiment, as long as the inclination that makes vibration machine and amplification spring is 5～10 degree with respect to vertical direction, resonance frequency is 200～300Hz, just can successfully transport the unstable and micro-elements such as electronic unit that are difficult to transport of shipping situation in prior art.
And then, as the utility model the 3rd embodiment, utilize linking springs to link the front and back end of top board above and drive block below and form parallelogram shape, to cover the mode of left and right side, side cover portion and drive block are integrally formed by foundry goods, and the lower central place at drive block forms cavity, with the central portion at pedestal, carry step-up transformer, can make its compact conformation thus, manufacturing procedure is few, and reduces the problems such as screw part gets loose.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of driving type piezoelectric actuator parts feeder of the present utility model.
Fig. 2 is the lateral plan of the embodiment of driving type piezoelectric actuator parts feeder of the present utility model.
Fig. 3 is the block diagram of the embodiment of driving type piezoelectric actuator parts feeder of the present utility model.
Fig. 4 is in the embodiment of driving type piezoelectric actuator parts feeder of the present utility model, represents the front view of the vibrational state that top board seesaws, and (a) represents intermediateness, (b) represents the rearward state of skew, (c) represents the forwards state of skew.
Fig. 5 is in the embodiment of driving type piezoelectric actuator parts feeder of the present utility model, the variable condition diagram of curves of the resonance frequency being caused by the change of voltage and frequency.
Fig. 6 is in the embodiment of driving type piezoelectric actuator parts feeder of the present utility model, the front view of other embodiment of driving type piezoelectric actuator parts feeder.
Fig. 7 is in the embodiment of driving type piezoelectric actuator parts feeder of the present utility model, the block diagram of drive block 20.
Fig. 8 is the front view of the driving type piezoelectric actuator parts feeder of prior art.
Fig. 9 is in the driving type piezoelectric actuator parts feeder of prior art, and the front view of the vibrational state that top board seesaws (a) represents intermediateness, (b) represents the rearward state of skew, (c) represents the forwards state of skew.
Figure 10 is in the driving type piezoelectric actuator parts feeder of prior art, the variable condition diagram of curves of the resonance frequency being caused by the change of voltage and frequency.
Description of reference numerals
1 top board
1a rake
1b rake
1c screw
1d screw
1e screw
2 drive blocks
2a rake
2b rake
2c screw
2d screw
2e screw
3 pedestals
3a rake
3b rake
3d screw
3e screw
4 vibration machines
4a piezoelectric element
4b elastic body
5 amplification springs
6 linking springs
7 adjust spring
8 link screw
10 step-up transformers
11 cushion blocks
12 cushion blocks
13 cushion blocks
14 cushion blocks
15 pressing plates
16 bolts
17 bear a heavy burden covers
18 bolts
20 drive blocks
20a block portion
20b sidepiece
20c sidepiece
20d cavity
20e rake
20f rake
20g screw
20h screw
20j opening
31 pedestals
32 top boards
33 piezoelectric elements
34 elastic plates
35 linking springs
36 amplification springs
37 drive blocks
38 screws
The specific embodiment
With reference to the accompanying drawings the embodiment of driving type piezoelectric actuator parts feeder of the present utility model is described.
Fig. 1 is the front view of driving type piezoelectric actuator parts feeder integral body, and Fig. 2 is lateral plan, and Fig. 3 is block diagram.
In this driving type piezoelectric actuator parts feeder, amplification spring 5 is fixing with vibration machine 4, its upper end one side is fixed with the front-end and back-end of top board 1 respectively, and lower end one side of vibration machine 4 fixes with the front-end and back-end of drive block 2 respectively, and forms parallelogram shape.
In vibration machine 4, piezoelectric element 4a and elastic body 4b fix, and amplification spring 5 is by linking screw 8 and its link.
On top board 1, offer vertical screw 1c, although do not illustrate, groove is installed at an upper portion thereof.Front-end and back-end at top board 1 form rake 1a, 1b, and offer screw 1d, 1e.
On the other hand, in front and the rear end side of drive block 2, be formed with rake 2a, 2b, and offer screw 2d, 2e.Below drive block 2, be provided with pedestal 3, in its front and rear end side, form rake 3a, 3b, offer screw 3d, 3e.Rake 1a, 1b, rake 2a, 2b and rake 3a, 3b are identical, and according to transported part, deciding the angle of inclination with respect to vertical direction is 5～20 degree.
Afterwards, use bolt 16 to make amplification spring 5 upper parts and linking springs 6 upper part coaxial bolts be fixed on screw 1d, the 1e of top board 1, make vibration machine 4 end portions and linking springs 6 coaxial bolts be fixed on screw 2d, the 2e of drive block 2.In addition, make linking springs 6 end portion bolts be fixed on screw 3d, 3e.
Between the top board 1 of linking springs 6 and drive block 2, overlapped and adjusted spring 7 with linking springs 6.The 15th, pressing plate.
Upper surface at drive block 2 is provided with step-up transformer 10.In the two sides of drive block 2, offer screw 2c, use the fixing side cover 17 that covers side integral body of bolt 18 bolts.Here, the steel that side cover 17 used thicknesses are 8mm, this weight is affixed to drive block 2.
Here, the approximate size of parts feeder integral body is: length 170mm, width 65mm, height 120mm.In addition, according to the weight etc. of transporting weight, size and the groove of part, suitably select vibration machine 4, amplification spring 5, linking springs 6, adjust spring 7, can obtain optimum resonance frequency.
This driving type piezoelectric actuator parts feeder, owing to having said structure, therefore by giving electric charge by 10 couples of piezoelectric element 4a of step-up transformer, makes elastic body 4b vibration, is made top board 1 vibration by amplification spring 5 amplification, thus automatic conveying part.
For positively, to top board 1 transmitting vibrations, the quality of drive block 2 is enough large, and the bolt fixed part of bolt 16 of vibration machine 4 bottoms of therefore take is fulcrum vibration.In addition, drive block 2 is subject to antagonistic force and slightly vibrates, but the transmission suppressing to pedestal 3 by linking springs 6.
By the vibration after amplification spring 5 amplification (100～130Hz) near resonance frequency.
Owing to not only linking springs 6 and pedestal 3 and drive block 2 being linked, also linking springs 6 and top board 1 are linked, so the vibration of top board 1 is the state shown in Fig. 4.
; top board 1 is with respect to pedestal 3; with top board 1 from Fig. 4 (a), be positioned at midway location; to in (b) forwards mobile and (c) in rearward mobile state move; and utilization links the linking springs 6 of pedestal 3, drive block 2 and top board 1; play the effect that suppresses 5 vibrations of amplification spring, make it uniform and stable.
In the parts feeder of present embodiment, resonance frequency about the variable condition of service voltage and frequency as shown in Figure 5, for sine waveform roughly, even if resonance frequency changes or load variations etc. changes because of ambient temperature, also make transportation speed change little, be easy to carry out shipping situation management.
On the other hand, for the driving type piezoelectric actuator parts feeder of prior art that linking springs and top board are connected is state as shown in Figure 9.; by amplification spring 36, made the vibration amplification of vibration machine 33; and top board 32 is vibrated; but because being applied to weight, the variation of center-of-gravity position and the variation of drive block 37 vibrations etc. on top board 32; cause the vibration of amplification spring 36 easily to change; can transport the problem that thing does not move with constant speed, thereby need to finely tune frequently in order successfully to transport part.In addition, vibration also can change by Yin Wendu, and when bringing into operation, reach stable transporting needs spended time, and will frequently adjust.
In addition, resonance frequency about the variable condition of service voltage and frequency as shown in figure 10, is in a ratio of with Fig. 5 the waveform being tilted to the right, when making resonance frequency change to step-down one side because of peripheral temperature variation, load variations etc., can make sharply step-down of transportation speed, therefore must fully monitor.
And then, as shown in Figure 9, amplification spring is applied to load, in installation portion office easily because fatigue causes damage.
Below, according to Fig. 6 and Fig. 7, another embodiment of the present utility model is described.
Be with the difference of above-mentioned embodiment, drive block 2 and side cover 17 be integrated, and step-up transformer 10 is installed on to pedestal 3.
That is, in drive block 20, at central portion, be formed with block portion 20a, in the left and right sides, erect sidepiece 20b, 20c are set.Afterwards, in central lower, be formed for taking in the empty 20d of step-up transformer 10.
Front end one side lower part and rear end one side lower part at block portion 20a arrange respectively rake 20e, the 20f that vibration machine 4 lower ends are installed, and offer screw 20g, 20h.In addition, at the center upper portion place of block portion 20a, be provided with the opening 20j that the electric wire for making from step-up transformer 10 passes through.
This drive block 20, with foundry goods mode integral production, is determined each size so that it reaches necessary weight.
Claims (3)
1. a driving type piezoelectric actuator parts feeder, is characterized in that,
Amplification spring is linked to the upper end of the vibration machine that is fixed with piezoelectric element on elastic plate, vibration machine is fixed with respect to vertical direction inclination, lower end and drive block bolt, and the upper end of amplification spring is fixed with the roof bolt that groove is installed, utilize linking springs by this drive block elastic support in pedestal, form parallelogram shape, wherein
This linking springs is the parts of strip shape, lower end and foundation bolt are fixed, and coaxially in the bolt of this vibration machine lower end, fix and fix with this drive block bolt, upper end is coaxially fixed and is fixed with this roof bolt in the bolt of this amplification spring, adjusts spring and this linking springs and is arranged at overlappingly between this top board and this drive block.
2. driving type piezoelectric actuator parts feeder according to claim 1, is characterized in that,
Make described vibration machine and amplification spring with respect to vertical direction inclination 5～10 degree, resonance frequency is 200～300Hz, transports micro parts.
3. driving type piezoelectric actuator parts feeder according to claim 1 and 2, is characterized in that,
With described linking springs, the front and back end of top board above and drive block is below connected to parallelogram shape, to cover the mode of left and right side, side cover portion and drive block are integrally formed by foundry goods, and the lower central place at drive block is formed with cavity, with the central portion at pedestal, carry step-up transformer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011000816U JP3167576U (en) | 2011-02-17 | 2011-02-17 | Piezoelectric parts feeder |
| JP2011-000816 | 2011-02-17 | ||
| PCT/JP2012/000861 WO2012111284A1 (en) | 2011-02-17 | 2012-02-09 | Piezoelectrically actuated parts feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203411018U true CN203411018U (en) | 2014-01-29 |
Family
ID=46672231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290000196.9U Expired - Lifetime CN203411018U (en) | 2011-02-17 | 2012-02-09 | Piezoelectric driving type part feeder |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3167576U (en) |
| CN (1) | CN203411018U (en) |
| WO (1) | WO2012111284A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106687396A (en) * | 2014-09-19 | 2017-05-17 | 株式会社石田 | Vibrating conveyor provided with trough attachment/detachment mechanism, and combined weighing device |
| CN107884714A (en) * | 2017-11-09 | 2018-04-06 | 奥士康科技股份有限公司 | A kind of PCB gantry electroplating device vibrating motor detector |
| CN110255092A (en) * | 2019-06-06 | 2019-09-20 | 株式会社Bfc | A kind of circle vibration formula conveying device |
| CN110255093A (en) * | 2019-06-11 | 2019-09-20 | 株式会社Bfc | A kind of high speed of stable feeding is directly shaken |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5227449B2 (en) * | 2011-11-02 | 2013-07-03 | 株式会社ダイシン | Vibrating transfer device |
| JP5460903B1 (en) * | 2013-03-08 | 2014-04-02 | 株式会社ダイシン | Vibrating transfer device |
| TWI777836B (en) * | 2021-10-29 | 2022-09-11 | 產台股份有限公司 | Vibratory conveyor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0544328Y2 (en) * | 1989-03-23 | 1993-11-10 | ||
| JP2740891B2 (en) * | 1989-07-20 | 1998-04-15 | 株式会社産機 | Piezoelectric drive type transfer device |
| JP2002302232A (en) * | 2001-04-09 | 2002-10-18 | Shinko Electric Co Ltd | Piezoelectric element driving type feeder |
| JP4872221B2 (en) * | 2005-03-11 | 2012-02-08 | シンフォニアテクノロジー株式会社 | Parts conveyor |
| JP5168999B2 (en) * | 2007-04-17 | 2013-03-27 | シンフォニアテクノロジー株式会社 | Parts conveyor |
-
2011
- 2011-02-17 JP JP2011000816U patent/JP3167576U/en not_active Expired - Lifetime
-
2012
- 2012-02-09 WO PCT/JP2012/000861 patent/WO2012111284A1/en active Application Filing
- 2012-02-09 CN CN201290000196.9U patent/CN203411018U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106687396A (en) * | 2014-09-19 | 2017-05-17 | 株式会社石田 | Vibrating conveyor provided with trough attachment/detachment mechanism, and combined weighing device |
| CN107884714A (en) * | 2017-11-09 | 2018-04-06 | 奥士康科技股份有限公司 | A kind of PCB gantry electroplating device vibrating motor detector |
| CN110255092A (en) * | 2019-06-06 | 2019-09-20 | 株式会社Bfc | A kind of circle vibration formula conveying device |
| CN110255093A (en) * | 2019-06-11 | 2019-09-20 | 株式会社Bfc | A kind of high speed of stable feeding is directly shaken |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3167576U (en) | 2011-04-28 |
| WO2012111284A1 (en) | 2012-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |