CN201608168U - Deburring device of lead frame - Google Patents
Deburring device of lead frame Download PDFInfo
- Publication number
- CN201608168U CN201608168U CN2010200327557U CN201020032755U CN201608168U CN 201608168 U CN201608168 U CN 201608168U CN 2010200327557 U CN2010200327557 U CN 2010200327557U CN 201020032755 U CN201020032755 U CN 201020032755U CN 201608168 U CN201608168 U CN 201608168U
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- CN
- China
- Prior art keywords
- lead frame
- conveying device
- water injector
- deburring
- guider
- 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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- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
The utility model discloses a deburring device of lead frames. The deburring device is characterized by comprising a conveying device and water spraying devices, wherein the conveying device comprises a plurality of upper roller wheels arranged at intervals and a plurality of lower roller wheels arranged at intervals; and two or more than two water spraying devices are provided with nozzles towards the conveying device and are respectively arranged at two sides of the conveying device. The deburring device of the lead frame can wash the lead frame in the process of moving the lead frame so as to remove the burrs. A plurality of lead frames are sequentially placed on the conveying device and washed in the moving and delivering process, and can be continuously washed. The deburring device has short interval time of washing two lead frames, fast deburring speed and high efficiency and is suitable for large-scale deburring treatment of the lead frames. The elastic roller wheels are adopted to prevent the lead frames from being clamped to affect the continuity of operation and also prevent hard roller wheels from crushing the lead frames.
Description
Technical field
The utility model relates to a kind of lead frame burr remover.
Background technology
As shown in Figure 1, in the semicon industry, a lot of equipment must use a kind of electronic component 603, and it comprises pin 602, before use, need carry out the electroplating surface processing to electronic component 603 and pin 602.Because be applied in the semiconductor technology such as integrated circuit, the volume of substructure for electrical device 603 and pin 602 is often very little.For adapting to needs of scale production, use limit muscle 601 that a plurality of pins 602 are connected.For improving once the pin of electroplating processes and the number of electronic component simultaneously, be connected with pin and electronic component respectively at limit muscle 601 two ends, to enhance productivity.Electronic component 603, pin 602 and limit muscle 601 are collectively referred to as lead frame.When reality is used, need to use epoxy encapsulation.In the encapsulation process, be easy to generate burr, burr is also referred to as overlap or flash, is meant that semiconductor device remains in the epoxy-plastic packaging material flash that pin etc. is located behind plastic packaging, is commonly called as to be " burr ".It is the plastics class material that overflows from mould in the plastic packaging process, and common burr mainly comprises three parts: the epoxy molding plastic of not completely crued epoxy resin, release agent and curing.They form at the pin place of semiconductor device, and the form of the plastic film that does not wait with thickness wraps up pin.Cause the pin solderability bad, leak weldering, may make pin lose function with extraneous transmission signals when serious, be the maximum hidden danger that influences semiconductor device reliability.Nearly all semiconductor device all exists (comprising IC and discrete device etc.) problem of burr in varying degrees, and especially domestic some enterprise adopts the relatively poor plastic package die of technical merit, and burr is more serious.So various semiconductor device behind plastic packaging all need to carry out deburring to be handled.But existing deburring or cleaning equipment all are to clean or deburring under the relatively-stationary state of lead frame.For example lead frame is placed into assigned address, removes after having washed away again, and then next lead frame is placed into assigned address washes away, the rest may be inferred.Though it can realize mechanized operation, in use, can only wash away successively, a transfer movement is arranged respectively before and after washing away.Though under the situation of mechanized operation, transfer movement can be very fast, for washing away on a large scale, transfer movement has expended the operating time, has reduced operating efficiency.Providing a kind of can reduce the burr remover of blanking time to a plurality of lead frame continued operations, becomes the subject matter of the needs solution of enhancing productivity.
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, a kind of device that can remove the burr on a plurality of lead frames continuously to be provided.
For realizing above purpose, the utility model is achieved through the following technical solutions:
The lead frame burr remover is characterized in that, comprises conveying device, and described conveying device comprises a plurality of spaced upper rollers and a plurality of spaced bottom roller; Water injector, water injector are provided with the nozzle towards conveying device, and the water injector number is two or more, the both sides of apportion conveying device.
Preferably, be provided with guider between described upper roller and the bottom roller, described guider comprises substrate, and substrate offers gathering sill.
Offer gathering sill, can make in the lead frame moving process in gathering sill, prevent offset direction in the lead frame course of conveying.
Preferably, be provided with groove in the described gathering sill.
Offer groove, can guarantee that upper roller all closely contacts with lead frame with bottom roller, can also when washing away, flush water be discharged from the groove opposite side.
Preferably, described guider is two, and the gathering sill in guider is towards upper roller, and the gathering sill of another guider is towards bottom roller.
Two guiders can guarantee that towards difference two water injectors in the lead frame course of conveying wash away lead frame two surfaces respectively.
Preferably, described upper roller and bottom roller adopt elastomeric material to make.
Upper roller and bottom roller gap when lead frame is put between upper roller and the bottom roller, produce distortion after roller is squeezed less than leadframe thickness, and it is tighter that deformation force can press from both sides lead frame, increase the frictional force of roller and lead frame.Can prevent from lead frame can't be fed forward because of skidding.Adopt elastomeric material can also prevent that roller is really up to the mark and scratch or damage by pressure lead frame.
Preferably, described water injector is connected with the high service device.
Preferably, described conveying device and water injector are installed in the casing of a side opening.
Adopt the casing of a side opening, other parts can be installed in the casing, use more convenient.
Lead frame burr remover in the utility model can wash away lead frame, deburring in the lead frame moving process.A plurality of lead frames are placed on the conveying device successively, in quilt handover process, wash away, therefore can uninterruptedly wash away a plurality of lead frames continuously, wash away two weak points blanking times between the lead frame, deburring speed is fast, efficient is high, is fit to the extensive deburring processing of lead frame.Adopt elastic roller, can prevent that lead frame from being influenced operating continuity by card, can prevent also that roller is really up to the mark and damage lead frame by pressure.
Description of drawings
Fig. 1 is the lead frame structure schematic diagram;
Fig. 2 is the utility model structural representation;
Fig. 3 is the guider structural representation in the utility model;
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figures 2 and 3, the lead frame burr remover, the casing 1 that comprises a side opening, conveying device 2 is installed in the casing 1, and conveying device 2 comprises a plurality of spaced upper roller 21 (21A, 21B, 21C, 21D ...) and a plurality of spaced bottom roller 22 (22A, 22B, 22C, 22D ...); Upper roller 21A and bottom roller 22A are oppositely arranged.During use, upper roller and bottom roller counter-rotating, when promptly upper roller turned clockwise, bottom roller was rotated counterclockwise.In upper roller and the bottom roller counter-rotating process, can utilize frictional force will be positioned at both middle lead frames and be fed forward.
Be provided with guider 41 and guider 42 between described upper roller 21 and the bottom roller 22, two guider structures are identical, as shown in Figure 3, guider 41 comprises substrate 411, substrate 411 is provided with gathering sill 412, and gathering sill 412 can limit the direction in the lead frame moving process, prevents the lead frame offset direction, move to the B end process from the A end at lead frame, gathering sill 412 cell walls can prevent the lead frame offset direction.When two guiders use, gathering sill respectively towards rightabout promptly respectively towards water injector.Gathering sill 412 places are provided with groove 413, and groove 413 both can guarantee that the water that sprays to guider from water injector discharged from opposite side, can guarantee also in the lead frame moving process that last bottom roller all can closely contact with lead frame.
Embodiment in the utility model only is used for the utility model is described, and does not constitute the restriction to the claim scope, and other substituting of being equal in fact that those skilled in that art can expect are all in the utility model protection range.
Claims (7)
1. the lead frame burr remover is characterized in that, comprises conveying device, and described conveying device comprises a plurality of spaced upper rollers and a plurality of spaced bottom roller; Water injector, water injector are provided with the nozzle towards conveying device, and the water injector number is two or more, the both sides of apportion conveying device.
2. lead frame burr remover according to claim 1 is characterized in that, is provided with guider between described upper roller and the bottom roller, and described guider comprises substrate, and substrate offers gathering sill.
3. lead frame burr remover according to claim 2 is characterized in that, is provided with groove in the described gathering sill.
4. according to claim 2 or 3 described lead frame burr removers, it is characterized in that described guider is two, the gathering sill in guider is towards upper roller, and the gathering sill of another guider is towards bottom roller.
5. lead frame burr remover according to claim 1 is characterized in that, described upper roller and bottom roller adopt elastomeric material to make.
6. lead frame burr remover according to claim 1 is characterized in that, described water injector is communicated with the high service device.
7. lead frame burr remover according to claim 1 is characterized in that described conveying device and water injector are installed in the casing of a side opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200327557U CN201608168U (en) | 2010-01-05 | 2010-01-05 | Deburring device of lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200327557U CN201608168U (en) | 2010-01-05 | 2010-01-05 | Deburring device of lead frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608168U true CN201608168U (en) | 2010-10-13 |
Family
ID=42952871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200327557U Expired - Lifetime CN201608168U (en) | 2010-01-05 | 2010-01-05 | Deburring device of lead frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056120A (en) * | 2012-11-30 | 2013-04-24 | 宁波市鄞州风名工业产品设计有限公司 | Decontaminating tank |
-
2010
- 2010-01-05 CN CN2010200327557U patent/CN201608168U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056120A (en) * | 2012-11-30 | 2013-04-24 | 宁波市鄞州风名工业产品设计有限公司 | Decontaminating tank |
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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: 20101013 |