CN202010714U - Lead frame bending apparatus - Google Patents
Lead frame bending apparatus Download PDFInfo
- Publication number
- CN202010714U CN202010714U CN2011200713231U CN201120071323U CN202010714U CN 202010714 U CN202010714 U CN 202010714U CN 2011200713231 U CN2011200713231 U CN 2011200713231U CN 201120071323 U CN201120071323 U CN 201120071323U CN 202010714 U CN202010714 U CN 202010714U
- Authority
- CN
- China
- Prior art keywords
- lead frame
- guide rail
- rail
- movable guiding
- slideway
- 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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- Lead Frames For Integrated Circuits (AREA)
Abstract
The utility model relates to lead frame bending apparatus for bending pin portion and radiating fin portion on the lead frame to form a certain angle, comprising a rack; a feeding guide rail arranged on the lead frame on the rack, wherein the side wall of the guide rail is provided with a horizontal slideway for getting the pin portion of the lead frame through, outer side of lower rail of the slideway, on the guide rail, is provided with a moving guide rail for supporting the radiating fin portion of the lead frame, and both ends of the moving guide rail are hinged to the guide rail; a stop block supporting the moving guide rail, arranged on the rack; a driving apparatus for driving the moving rail to overturn upwardly; and a feeding apparatus composed of a feeding roller, a pinch roller and a driving unit thereof. The lead frame bending apparatus is high in efficiency, and enables the processed workpieces to be good in consistency, small in error and high in yield, thereby greatly reducing the manufacture cost.
Description
Technical field
The utility model relates to a kind of device that is used for the processing of semiconductor lead frame later process, is a kind of lead frame apparatus for bending that part of pin on the lead frame and fin section is bent into certain angle specifically.
Background technology
At present, the method that generally adopts is to realize that by manual bending the pin on the lead frame partly is bent into the requirement of certain angle with fin section before lead frame carries out later process processing.Though this method can satisfy processing request, efficient is extremely low, does not satisfy the production demand.Simultaneously, because there is very big error in manual bending, even causes scrapping of lead frame on the uniformity of bending angle; And artificial directly contact lead-wire framework, also can cause certain corrosion and damage, thereby influence product quality its surface.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art part, and a kind of lead frame apparatus for bending is provided, and can improve machining accuracy and working (machining) efficiency, reduces manufacturing cost.
For achieving the above object, the utility model has adopted following technical scheme: comprise frame; A lead frame feed lead rail that is arranged on the frame, guiding cheekn is provided with the horizontal slideway that can supply the lead frame pin partly to pass through, guide rail rail outside under slideway is provided with the movable guiding rail of supporting wire framework packed part, movable guiding rail two ends and guide rail are hinged, and frame is provided with the limited block that supports movable guiding rail; One drives the resupinate drive unit of movable guiding rail; A feed arrangement that is located at guide rail slideway feed end comprises a pair of charging roller, pinch roller and drive unit thereof, and the charging roller is fixed on by support below the charging aperture of guide rail slideway, and pinch roller is fixed on charging roller top by tensioning apparatus.The lead frame pin part that last process is come is sent in the slideway after the clamping of charging roller and pinch roller apace, drive unit drives movable guiding rail and upwards flips an angle, and movable guiding rail is upwards raised the lead frame fin section and be bent into the angle of setting.Charging and bending are finished by equipment, the production efficiency height, and also the flip angle of movable guiding rail can control, the workpiece high conformity of bending, and error is little.
The resupinate drive unit of described driving movable guiding rail is a cylinder, and cylinder is arranged on the movable guiding rail below, and piston ejects can promote upwards upset of movable guiding rail when end upwards ejects.
Friction in order to reduce to contact between piston rod and the movable guiding rail, piston rod ejects end and is fixed with roller with the movable guiding rail contact site.
The guide rail feed end is provided with the charging detecting sensor, so that the work of control feed arrangement, the guide rail discharge end is provided with lead frame material level detecting sensor, so that the drive unit work of control movable guiding rail.
In order to prevent that lead frame is skidded off by the slideway port of export under the fast situation of charging rate, the guide rail discharge end is provided with piston and ejects end and can extend the telescopic cylinder that in the slideway lead frame is positioned.
As shown from the above technical solution, the utility model adopts mechanization charging and bending operation, can with the preceding working procedure speeds match, the production efficiency height, and the flip angle of movable guiding rail is adjustable, workpiece bending adjustable angle, the processed workpiece high conformity, error is little, and the yield rate height greatly reduces manufacturing cost; Lead frame does not contact with human body in the whole process simultaneously, and corrosion and the damage that can avoid manually-operated that its surface is caused have improved product quality.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 the utility model operation principle schematic diagram.
The specific embodiment
As shown in Figures 1 to 4, feed lead rail is made up of upper rail 4 and lower guideway 3, lower guideway 3 is fixed on the frame 11 by screw 111, frame 11 is fixed on the base 1, have the lead frame groove on the lower guideway 3, the horizontal slideway 31 that the pin part 81 that this lead frame groove formation is opened on Gong the lead frame 8 of guiding cheekn when upper rail 4 is fixed on the lower guideway 3 by screw 31 is passed through, lower guideway 3 outsides of slideway 31 are provided with the movable guiding rail 6 of supporting wire framework fin section 82, movable guiding rail is provided with the chute 63 that cooperates with lead frame fin section 82, lower guideway 3 advances slideway 31, discharge port end is respectively equipped with the fixedly support 36 of movable guiding rail 6,32, wherein the support 36 of feed inlet end fuses with lower guideway 3, discharge port end support 32 is by two pins 33,34 are fixed on the lower guideway 3, movable guiding rail 6 two ends are passed through bearing pin 61 respectively at next-door neighbour's slideway 31 places, 62 with the support 36 at lower guideway 3 two ends, 32 are hinged, movable guiding rail 6 two ends are respectively equipped with the limited block 18 of fixed support movable guiding rail below away from slideway 31 places, 17, limited block is respectively by screw 181,171 are fixed on support 36, on 32.
Driving movable guiding rail 6 resupinate drive units is cylinder 5, cylinder 5 is fixed on movable guiding rail 6 belows by support 14, piston rod ejects end 53 and is fixed on the piston of cylinder 5 by screw rod 52 and nut 51, adjusting screw(rod) 52 and nut 51 can regulating piston eject the height of end 53, piston ejects end 53 tops and is fixed with the roller 54 that contact with movable guiding rail 6 bottoms, can reduce piston rod eject hold 53 and movable guiding rail 6 between friction.
Feed arrangement comprises a pair of charging roller 21, pinch roller 22 and drive unit thereof, charging roller 21 is fixed on the below of lower guideway 3 slideways 31 charging apertures by support 12 and screw 121, have the through hole that enters slideway 31 for charging roller 21 wheel faces on the lower guideway 3, lower guideway 3 one sides are fixed with support 15, support 15 is provided with the support 16 of fixedly pinch roller rotating shaft 221, pinch roller 22 is fixed on charging roller 21 tops by rotating shaft 221, have voltage supply on the upper rail 4 and take turns the through hole 41 that 22 wheel faces enter slideway 31, between rotating shaft 221 and the support 15 back-moving spring 222 is housed, makes pinch roller 22 be pressed on the charging roller 21.Drive unit is made up of motor 25, belt wheel 24 and transmission belt 23, and motor 25 is fixed on the base 1 by support 13, and charging roller 21 wheel faces are provided with the trough of belt that cooperates with transmission belt 23.
Charging detecting sensor 71 is located in movable guiding rail 6 chutes 61 of charging roller 21 front ends, and upper rail 4 discharge ends are provided with lead frame material level detecting sensor 72 and piston and eject end and can extend the telescopic cylinders 73 that in the slideway 31 lead frame 8 positioned.
Its operation principle is as follows: when the lead frame of coming when preceding working procedure enters the guide rail charging aperture, charging detecting sensor 71 detects lead frame, sending signal is rotated by control circuit drive motors 25, drive charging roller 21 by belt wheel 24 and rotate charging, drive telescopic cylinder 73 work simultaneously, making its piston eject end stretches into the lead frames of in the slideway 31 feed arrangement being sent here by 91 directions of arrow among Fig. 38 and enters the location, when detecting lead frame 8, material level detecting sensor 72 drives cylinder 5 work by control circuit, its piston eject end 53 along 92 directions of arrow among Fig. 5 upwards eject promote movable guiding rail 6 along arrow 93 directions around bearing pin 61,62 rotate up, thereby the lead frame fin section 82 in the promotion chute 61 is with respect to the 81 upwards bendings of pin part.
Claims (5)
1. the lead frame apparatus for bending is characterized in that: comprise frame (11);
A lead frame feed lead rail (3,4) that is arranged on the frame (11), guiding cheekn is provided with the horizontal slideway (31) that can supply lead frame pin part (81) to pass through, guide rail rail outside under slideway (31) is provided with the movable guiding rail (6) of supporting wire framework fin section (82), movable guiding rail (6) two ends and guide rail are hinged, and frame (11) is provided with the limited block (17,18) that supports movable guiding rail (6);
One drives the resupinate drive unit of movable guiding rail (6);
A feed arrangement that is located at guide rail slideway (31) feed end, comprise a pair of charging roller (21), pinch roller (22) and drive unit thereof, charging roller (21) is fixed on by support (12) below the charging aperture of guide rail slideway (31), and pinch roller (22) is fixed on charging roller (21) top by tensioning apparatus.
2. lead frame apparatus for bending according to claim 1, it is characterized in that: the resupinate drive unit of described driving movable guiding rail (6) is cylinder (5), cylinder (5) is arranged on movable guiding rail (6) below, and piston rod ejects end (53) can promote upwards upset of movable guiding rail (6) when upwards ejecting.
3. lead frame apparatus for bending according to claim 2 is characterized in that: piston ejects end (53) and is fixed with roller (54) with movable guiding rail (6) contact site.
4. according to claim 1 or 2 or 3 described lead frame apparatus for bending, it is characterized in that: the guide rail feed end is provided with charging detecting sensor (71), and the guide rail discharge end is provided with lead frame material level detecting sensor (72).
5. lead frame apparatus for bending according to claim 4 is characterized in that: the guide rail discharge end is provided with piston rod and ejects end and can extend the telescopic cylinder (73) that lead frame (8) is positioned in the slideway (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713231U CN202010714U (en) | 2011-03-17 | 2011-03-17 | Lead frame bending apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713231U CN202010714U (en) | 2011-03-17 | 2011-03-17 | Lead frame bending apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202010714U true CN202010714U (en) | 2011-10-19 |
Family
ID=44781319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200713231U Expired - Fee Related CN202010714U (en) | 2011-03-17 | 2011-03-17 | Lead frame bending apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202010714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189157A (en) * | 2011-03-17 | 2011-09-21 | 铜陵市慧智机电有限责任公司 | Lead frame bending device |
-
2011
- 2011-03-17 CN CN2011200713231U patent/CN202010714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102189157A (en) * | 2011-03-17 | 2011-09-21 | 铜陵市慧智机电有限责任公司 | Lead frame bending device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20160317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |