CN2875011Y - Picking device for electronic element - Google Patents
Picking device for electronic element Download PDFInfo
- Publication number
- CN2875011Y CN2875011Y CNU2006200682694U CN200620068269U CN2875011Y CN 2875011 Y CN2875011 Y CN 2875011Y CN U2006200682694 U CNU2006200682694 U CN U2006200682694U CN 200620068269 U CN200620068269 U CN 200620068269U CN 2875011 Y CN2875011 Y CN 2875011Y
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- CN
- China
- Prior art keywords
- electronic component
- vacuum slot
- grabbing device
- elastomer
- support frame
- 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 - Fee Related
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Abstract
The utility model discloses a gripping device used for gripping electronic components with weight nonuniformly distributed and for loading on the surface of circuit board for further welding. The gripping device includes a supporting frame having a shape correspondent with the electronic component, a vacuum suction nozzle arranged at the center of the supporting frame and used for sucking the electronic component, elastic bodies symmetrically arranged at the periphery of the vacuum suction nozzle on the supporting frame in pairs; when the vacuum suction nozzle sucks the electronic component, the elastic body is pressed and deformed, and applies a force in the direction opposite to that of suction force to the electronic component to achieve equilibrium of the suction force, the elastic force and gravity force of the electronic component, therefore keeping the surface, which is opposite to the vacuum suction nozzle, of the electronic component at horizontal state to facilitate welding of the welded gasket on the circuit board.
Description
[technical field]
The grabbing device of the relevant a kind of electronic component of the utility model is meant to be applied to weight capacity electronic component pockety, so that be positioned over the grabbing device that circuit board surface welds especially.
[background technology]
Along with development of electronic technology, the number of electronic components of assembling on the circuit board increases day by day, for the ease of assembling and manufacturing circuit board, industry adopts surface mount technology (SMT) that electronic component (as integrated circuit (IC) chip) etc. is welded on the circuit board mostly, this general operation is: at first utilize printing machine directly to brush on the welding foot of electronic component with the position of paste solder printing electronic component pre-welding to the circuit board or with tin cream, then electronic component is sticked to above-mentioned position, to together deliver in the brazier heating with the circuit board of electronic component afterwards makes the tin cream fusing and electronic component is welded on the circuit board, and the described method that electronic component is positioned over the circuit board precalculated position comprises the steps: it at first is that the charging tray that will accommodate electronic component to be welded is positioned over the surface and pastes on the carriage of machine inlet capable, usually this charging tray can be arranged to planar disc or reel shape according to the size of electronic component, the charging tray that promptly holds bigger electronic component mostly is planar disc, and the charging tray that holds less electronic component mostly is banded, and be curled into discoid, this surface vacuum slot of pasting machine is drawn this electronic component afterwards, and it is positioned on the precalculated position of circuit board.For the electronic component of the even cloth of general weight, this hollow suction nozzle can grasp out this electronic component by drawing in the center of electronic component, and be placed on circuit board surface reposefully, but, bigger for some volumes, and the uneven electronic component of distribution of weight (as the load bearing seat of CPU) utilizes in the process of above-mentioned vacuum slot absorption, because its distribution of weight is inhomogeneous, thereby the direction that makes a heavier side direction deviate from vacuum slot tilts, or the relative vacuum suction nozzle trembles, so can't use positioner to check whether the welding foot of this electronic component and the welded gasket of circuit board align, thereby can't guarantee welding quality.Certainly, industry is to adopt artificial contraposition to the makeshift that this adopted, this can repair very undersized skew certainly, but it is excessive as size offset, may cause the scolding tin on the adjacent welded gasket of circuit board to connect, and cause signal shorts, therefore can't tackle the problem at its root, and be unfavorable for automated production and waste man-hour and manpower.
In view of this, be necessary to develop a kind of grabbing device of electronic component in fact, when utilizing this grabbing device weight capacity electronic component pockety, it can prevent that the heavier side relative vacuum suction nozzle of this electronic component from tilting, thereby make this electronic component and circuit board facing surfaces be the level of state, align with the welding foot that makes electronic component and the welded gasket of circuit board, thus the welding quality of assurance and be beneficial to automated production.
[summary of the invention]
Therefore, the purpose of this utility model is to provide a kind of grabbing device of electronic component, when utilizing this grabbing device weight capacity electronic component pockety, it can prevent that the heavier side relative vacuum suction nozzle of this electronic component from tilting, thereby makes this electronic component and circuit board facing surfaces be the level of state.
For realizing main purpose of the present utility model, the grabbing device of the utility model electronic component comprises a support frame, this support frame is corresponding with the shape of electronic component, and its middle part is provided with a vacuum slot, in order to electronic component absorption, and this support frame is provided with elastomer around this vacuum slot.
According to above-mentioned principal character, this support frame is symmetrically formed separation rib between its sidewall and vacuum slot, and this elastomer group is located at this separation rib surface.
Want feature according on above-mentioned, the sticking card of this elastomer is in the separation rib surface.
According to above-mentioned principal character, this separation rib is provided with a screw, and this elastomer is a spring, this spring by a screw and this screw sealed and with this spring assembly on separation rib.
Compared with prior art, the utility model utilization is symmetrical arranged elastomer around vacuum slot, so this electronic component is being adsorbed time-out with vacuum slot, this two or two relative elastomer compression, and put on the active force that electronic component deviates from the suction force direction, and make the suction force of vacuum slot and elastic force that elastomer puts on electronic component and the gravity of electronic component balance each other, and the gravity relative vacuum suction nozzle that makes each elastomer put on the elastic force of electronic component and this electronic component is the balance that fulcrum forms, and make the opposing surface of electronic component and vacuum slot be the level of state, thereby be beneficial to circuit board on the welded gasket welding.
For purpose of the present invention, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the schematic diagram of the grabbing device application of the utility model electronic component.
Fig. 2 illustrates the stereogram of grabbing device first embodiment of the utility model electronic component.
Active force when the grabbing device that Fig. 3 illustrates electronic component shown in Figure 2 cooperates with electronic component concerns reduced graph.
Fig. 4 illustrates the stereogram of grabbing device second embodiment of the utility model electronic building brick.
Fig. 5 is the schematic diagram of Fig. 4 medi-spring mounting structure.
[embodiment]
See also shown in Figure 1, the schematic diagram of using for the grabbing device 1 of the utility model electronic component, the grabbing device 1 of the utility model electronic component can be used as parts of surperficial labelling machine or circuit board maintenance unit (not shown), cooperate the surface that electronic component 2 is positioned over circuit board 3 in order to other parts with surperficial labelling machine or circuit board maintenance unit, welding foot (not shown) with electronic component 2 aligns mutually with the welded gasket 30 on circuit board 3 surfaces, to guarantee that this electronic component 2 reliably is welded on the circuit board 3, other parts as for surperficial labelling machine or circuit board maintenance unit, prior art has description more, below repeats no more.
See also Fig. 2 and shown in Figure 3, stereogram for the grabbing device 1 of the utility model electronic component, for seeing its concrete structure clearly, the grabbing device 1 of the electronic component shown in the figure is inversion state, the grabbing device 1 of this electronic component comprises a support frame 10, this support frame 10 is corresponding with the shape of electronic component, in the present embodiment, this support frame 10 is square, comprise two or two relative sidewalls 13, this two or two relative sidewall 13 is enclosed to form a receiving space 15, and these two or two relative sidewall 13 middle parts are provided with separation rib 11 to receiving space 15 extensions, these separation ribs 11 converge at receiving space 15 middle parts, and this support frame 10 converges part middle part at this and runs through and be provided with a through hole (not shown), in order to be installed with a vacuum slot 12, and the absorbed portion of this vacuum slot 12 protrudes separation rib 11 with stick electronic components 2, and this separation rib 11 is the equidistant elastomer that is arranged with around this vacuum slot 12, in the present embodiment, this elastomer is a block rubber 14, these block rubber 14 sticking cards are in the surface of this separation rib 11, and be provided with on same plane with vacuum slot 12 ends, so this electronic component 2 is being adsorbed time-outs with vacuum slot 12, these two or two relative block rubber 14 compressions, and put on the directed force F 1 that electronic component 2 deviates from the suction force direction, F2 (being example only) with two, and make the suction force F3 of vacuum slot 12 and the elastic force F1 that block rubber 14 puts on electronic component 2, the gravity G of F2 and electronic component 2 balances each other, and when making electronic component 2 and vacuum slot 12 opposing surfaces be the level of state, each block rubber 14 puts on the elastic force F1 of electronic component, the balance that the gravity G relative vacuum suction nozzle 12 of F2 and this electronic component 2 forms for fulcrum, be G*L3+F1*L1=F2*L2, thereby make this electronic component 2 tilt, thereby the maintenance level, thereby the welding foot and the welded gasket 30 on the circuit board 3 that are beneficial to this electronic component 2 align and weld.
See also Fig. 4 and shown in Figure 5, stereogram for grabbing device second embodiment of the utility model electronic component, for seeing its concrete structure clearly, the grabbing device 4 of the electronic component shown in the figure is inversion state, the grabbing device 4 of this electronic component comprises a support frame 40, this support frame 40 is corresponding with the shape of electronic component, in the present embodiment, this support frame 40 is square, comprise two or two relative sidewalls 43, this two or two relative sidewall 43 is enclosed to form a receiving space 45, and these two or two relative sidewall 43 middle parts are provided with separation rib 41 to receiving space 45 extensions, these separation ribs 41 converge at receiving space 45 middle parts, and this support frame 40 converges part middle part at this and runs through and be provided with a through hole (not shown), in order to be installed with a vacuum slot 12, and the absorbed portion of this vacuum slot 12 protrudes separation rib 41 with stick electronic components 2, and this separation rib 11 is the equidistant screw 46 that is arranged with around this vacuum slot 12, one elastomer, for spring 44 is locked in this screw 46 by a screw 47 this spring 44 is mounted on the separation rib 41 in the present embodiment, and these spring 44 ends are provided with on same plane with vacuum slot 12 ends, so this electronic component 2 is being adsorbed time-outs with vacuum slot 12, these two or two relative spring 44 compressions, and put on the active force that electronic component 2 deviates from the suction force direction, and make the suction force of vacuum slot 12 and elastic force that spring 44 puts on electronic component 2 and the gravity of electronic component 2 balance each other, and when making electronic component 2 and vacuum slot 12 opposing surfaces be the level of state, each spring 44 puts on the balance that the gravity relative vacuum suction nozzle 12 of the elastic force of electronic component 2 and this electronic component 2 forms for fulcrum, thereby make this electronic component 2 place, thereby the maintenance level, thereby the welding foot and the welded gasket 30 on the circuit board 3 that are beneficial to this electronic component 2 align and weld.
In the above-described embodiment, this elastomeric end and vacuum slot end are provided with on same plane, so that when vacuum slot is drawn electronic component, the just compressible distortion of this elastomer, certainly, this elastomeric end also can have certain height poor with the vacuum slot end, after the suction mouth of taking seriously is drawn this electronic component distortion, can make this electronic component compress this elastomer and make elastomer distortion, as between this elastomeric end and the vacuum slot end highly extent then decide on the distribution situation of electronic component weight.
In the above-described embodiment, the equidistant setting around the vacuum slot of this elastomer, certainly each elastomer also can be mutually should electronic component distribution of weight situation and vacuum slot be different distance.
Compared with prior art, the utility model is provided with elastomer around vacuum slot 12, in order to impose on electronic component 2 active forces, and with the balance of the gravity relative vacuum suction nozzle 12 of electronic component 2, can prevent that so this electronic component from causing inclination because of distribution of weight is uneven, and making the welding foot of electronic component 2 and the welded gasket 30 on the circuit board 3 align, this kind structure does not need artificial the adjusting to align, and is beneficial to the realization automated production.And utilizing this device not need that existing surperficial labelling machine or circuit board maintenance unit are done too big change can satisfy the demands, thereby easy to implement.
Claims (7)
1, a kind of grabbing device of electronic component, with with the electronic component of weight capacity skewness, the grabbing device that it is characterized in that this electronic component comprises a support frame, this support frame is corresponding with the shape of electronic component, and its middle part is provided with one in order to the vacuum slot with electronic component absorption, and this support frame is provided with elastomer around this vacuum slot.
2, the grabbing device of electronic component as claimed in claim 1, it is characterized in that: this support frame is square, comprise two or two relative sidewalls, this two or two relative sidewall is enclosed to form a receiving space, and this two or two relative sidewall is provided with separation rib to the receiving space extension.
3, the grabbing device of electronic component as claimed in claim 2, it is characterized in that: this separation rib converges at the receiving space middle part, and this support frame converges part middle part at this and runs through and be provided with a through hole, this vacuum slot is located in this through hole, and the absorbed portion of this vacuum slot protrudes the separation rib surface.
4, the grabbing device of electronic component as claimed in claim 3 is characterized in that: this elastomer is a block rubber, and this block rubber is pasted on the surface of this separation rib.
5, the grabbing device of electronic component as claimed in claim 3 is characterized in that: this separation rib is provided with screw around this vacuum slot, this elastomer is a spring, and it is locked in this screw by a screw and is mounted on the separation rib.
6, as the grabbing device of claim 4 or 5 described electronic components, it is characterized in that: this elastomeric end and vacuum slot end are provided with on same plane.
7, as the grabbing device of claim 4 or 5 described electronic components, it is characterized in that: the equidistant setting around vacuum slot of this elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200682694U CN2875011Y (en) | 2006-01-05 | 2006-01-05 | Picking device for electronic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200682694U CN2875011Y (en) | 2006-01-05 | 2006-01-05 | Picking device for electronic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2875011Y true CN2875011Y (en) | 2007-02-28 |
Family
ID=37781598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200682694U Expired - Fee Related CN2875011Y (en) | 2006-01-05 | 2006-01-05 | Picking device for electronic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2875011Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959142A (en) * | 2017-03-11 | 2017-07-18 | 谢媛 | A kind of fluid level measuring instrument |
| CN111107738A (en) * | 2018-10-29 | 2020-05-05 | 株式会社富士 | Suction nozzle and component mounting machine |
-
2006
- 2006-01-05 CN CNU2006200682694U patent/CN2875011Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959142A (en) * | 2017-03-11 | 2017-07-18 | 谢媛 | A kind of fluid level measuring instrument |
| CN111107738A (en) * | 2018-10-29 | 2020-05-05 | 株式会社富士 | Suction nozzle and component mounting machine |
| CN111107738B (en) * | 2018-10-29 | 2023-03-21 | 株式会社富士 | Suction nozzle and component mounting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |