CN202701037U - Integrated chip lead frame leveling device - Google Patents
Integrated chip lead frame leveling device Download PDFInfo
- Publication number
- CN202701037U CN202701037U CN 201220391503 CN201220391503U CN202701037U CN 202701037 U CN202701037 U CN 202701037U CN 201220391503 CN201220391503 CN 201220391503 CN 201220391503 U CN201220391503 U CN 201220391503U CN 202701037 U CN202701037 U CN 202701037U
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- Prior art keywords
- screw rod
- integrated chip
- lead frame
- chip lead
- thread
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- Expired - Fee Related
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Abstract
The utility model discloses an integrated chip lead frame leveling device, overcomes the defects that leveling devices in the prior art are heavy, complicated and low in accuracy, and provides an integrated chip lead frame roll leveling device. The integrated chip lead frame leveling device has the advantages of being light and fine, and can improve the level of flatness of workpieces. The integrated chip lead frame leveling device comprises a machine frame and at least three leveling rollers, the leveling rollers are parallel to one another and are installed in the method that the leveling rollers on the upper layer and the leveling rollers on the lower layer are staggered, and one end of a rotating shaft of the leveling rollers on the upper layer is connected with the machine frame through a fine adjusting device. The fine adjusting device comprises a differential thread adjusting mechanism, and the other end of the rotating shaft of the leveling rollers is in a cantilever state or is matched with a vertically-installed sliding rail in sliding mode. The integrated chip lead frame leveling device has the advantages of being light and fine, can improve the level of the flatness of workpieces, can be conveniently adjusted at any time according to requirements, can not damage fragile integrated chip lead frames, and achieves high surface quality.
Description
Technical field
The utility model belongs to the leveling apparatus technical field, is specifically related to a kind of integrated chip lead frame leveling apparatus.
Background technology
The integrated chip lead frame comprises chip island and the peripheral a collection of pin at center, place, position, the electrode of chip is electrically connected with pin, periphery at chip island needs silver-plated, the integrated chip lead frame plating technic of prior art adopts the single-piece plating, time charge and waste of material are many at the bottom of the effect, also just adopt preferably together plating of 4 arrays, the poor inefficient deficiency of integrated chip lead frame plating technic for prior art, our company has created continuous depositing process and equipment thereof, realize being coated with continuously the condition an of necessity, the state that large batch of integrated chip lead frame must be linked to be exactly entire volume, therefore also needing the integrated chip lead frame of rolling is blocked after the plating continuously, the assembly that makes it to become single-piece or smallest number carries out in order to subsequent technique, also must after launching, be smoothed the integrated chip lead frame of rolling at the same time, and this smoothing also must be high-precision, this high-precision smoothing requirement so that the smoothing technology of prior art can't use.
For example Chinese patent application number is 200810012077.5, and name is called the application for a patent for invention of " sheet leveller ", discloses a kind of sheet leveller, comprises main body mechanism, treadmill body and driving mechanism; Lathe bed is provided with front and back support, initiatively live-roller is positioned at lower gear carriage top, be set side by side with a plurality of driven live-rollers with the active live-roller, initiatively the live-roller travelling gear is meshed with lower idle wheel gear, lower idle wheel gear is meshed with the driven live-roller of vicinity, initiatively the live-roller master gear is meshed with active straightener roll driven gear, and initiatively the idler gear of straightener roll is meshed with upper idle wheel gear, and upper idle wheel gear is meshed with the driven straightener roll of vicinity.In the corresponding position of front and back support one side one larynx beaming roller is set, the larynx beaming roller is between two adjacent driven live-rollers, the upper edge of larynx beaming roller and driven live-roller is positioned at same plane, and the line of centres of larynx beaming roller and the corresponding driven straightener roll that is positioned at the top is perpendicular to the upper edge of larynx beaming roller.This sheet leveller is owing to need to consider workpiece importing, correction dynamics etc. many difficult points, so adopt the gear mesh transmission, the smoothing of this and integrated chip lead frame required very softly and accurately characteristics are incompatible, therefore this organization plan is not suitable for the smoothing of integrated chip lead frame yet.
Summary of the invention
The utility model technical issues that need to address are, overcome levelling machine heaviness, complexity and the low defective of precision of prior art, a kind of integrated chip lead frame volume part leveling apparatus is provided, and this leveling apparatus has light and handy and meticulous characteristics, can improve the flatness grade of workpiece.
The purpose of this utility model is achieved by following technical proposals: a kind of integrated chip lead frame leveling apparatus, comprise the parallel to each other and straightener roll that mutually stagger and arrange by the upper and lower of frame, be connected with frame at least three, it is characterized in that, its rotating shaft of straightener roll of being located at the upper strata has an end to be connected with frame by fine adjustment means, described fine adjustment means comprises the differential thread guiding mechanism, and the rotating shaft other end of straightener roll is cantilever position or joins with a vertically disposed slide rail cunning.
The upper and lower straightener roll that arranges that mutually staggers is smoothed integrated chip lead frame volume part successively, first straightener roll of entrance will be rolled up part and down bend, adopt hypercorrect measure will roll up the most of flexibility of part and force down, even may also leave the part back-flexing; Second straightener roll smooths the volume part again to the smoothing of residue flexibility substantially, and the flexibility of volume part is further dwindled, and further smooths through the straightener roll of the 3rd straightener roll and back, and the volume part reaches fully smooth step by step.Because it is very little to roll up the required roll smoothing force of part, adopt the gravity of the straightener roll self of cantilever to be enough to reply, the effect of slide rail only is the balanced transversal traction force; Roll smoothing force size and the Range-based connection of upper strata straightener roll with respect to lower floor's straightener roll, and the variation of adjusting the distance is very responsive, employing comprises that the fine adjustment means of differential thread guiding mechanism can reach satisfied accurate adjustment, the adjustment of especially last several straightener rolls needs very careful especially, uses fine adjustment means adjustment is easily finished.
As preferably, the differential thread guiding mechanism comprises a both-end screwed pipe, screw rod one and screw rod two, the bottom of screw rod one is fixedly connected with by adapter sleeve with an end of the rotating shaft of the straightener roll on upper strata, the middle part of screw rod one is that section is foursquare guide section, in the fairlead that guide section slides over frame is fixedly connected with, the lower screw of both-end screwed pipe matches with the external screw thread of the epimere of screw rod one, the upper screw of both-end screwed pipe matches with the external screw thread of the hypomere of screw rod two, and by the shoulder of being located at screw rod two middle parts and tightly lock, the external screw thread of the epimere of screw rod two cooperates with the screw of being located at frame top, the upper end of screw rod two is fixedly connected with adjusting handle, and the external screw thread of screw rod one epimere is the thread segment that pitch is different and thread rotary orientation is opposite with the external screw thread of screw rod two epimeres.
Rotate adjusting handle and drive screw rod two, and drive both-end screwed pipe, the both-end screwed pipe drives screw rod one, and then drive adapter sleeve and straightener roll moves, the differential action of the reverse thread by both-end screwed pipe and screw rod one and screw rod two, make adapter sleeve and straightener roll only do small movement, reach the purpose of intense adjustment.
As preferably, the differential thread guiding mechanism is provided with the displacement indicating device, and the displacement indicating device is made of the evenly divided line that is located at the adjusting handle outer peripheral face and the index line that is located at the screw rod two sheath sides of frame top.The evenly divided line can be used for the rotational angle of intense adjustment both-end screwed pipe, learns the axial internal clearance of screw rod one thereby convert.
As preferably, described slide rail is arranged on the side of balladeur train, and balladeur train is fixed on the frame.
As preferably, straightener roll wraps soft rubber by sleeve pipe and bushing outer surface and consists of, and sleeve pipe is connected with rotating shaft by bearing.
As preferably, the external screw thread of screw rod one epimere is left hand thread, and pitch is 0.5mm, and the external screw thread of screw rod two epimeres is right-handed thread, and pitch is 0.4mm.
As preferably, straightener roll has 3, and wherein 2 on the upper strata, and 1 in lower floor, 3 straightener rolls formation V-shape that is staggered.
As preferably, straightener roll has 5, and wherein 3 on the upper strata, and 2 in lower floor, and 5 straightener rolls are staggered and form the W word shape.
The beneficial effects of the utility model are:
1, has light and handy and meticulous characteristics, can improve the flatness grade of workpiece;
2, as required at any time convenient adjustment;
3, can not damage the integrated chip lead frame of " fragile ", surface quality is high.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is another kind of example structure schematic perspective view;
Fig. 3 is that schematic diagram is looked on the left side of Fig. 2.
Among the figure, frame 1; Screw 11; Straightener roll 2; Rotating shaft 21; Sleeve pipe 22; Soft rubber 23; Bearing 24; Differential thread guiding mechanism 3; Both-end screwed pipe 31; Lower screw 311; Upper screw 312; Screw rod 1; Guide section 321; Screw rod 2 33; Shoulder 331; Balladeur train 4; Slide rail 41; Adapter sleeve 5; Fairlead 6; Adjusting handle 7; Sunk screw 71; Evenly divided line 72; Screw rod two sheaths 8.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiments the utility model is further described.
Embodiment: as shown in Figure 1, a kind of integrated chip lead frame leveling apparatus, comprise the parallel to each other and straightener roll 2 that mutually stagger and arrange by the upper and lower of frame 1 and three, its rotating shaft 21 of straightener roll of being located at the upper strata has an end to be connected with frame 1 by fine adjustment means, fine adjustment means comprises differential thread guiding mechanism 3, rotating shaft 21 other ends of straightener roll 2 and vertically disposed 41 sliding joining of slide rail, slide rail 41 is arranged on the side of balladeur train 4, slide rail is a rectangular bathtub construction, and the bottom surface that soket head cap screw passes frame 1 up is fixed on balladeur train 4 on the frame 1; The rotating shaft that is in the straightener roll of lower floor directly is fixedly connected with frame.
Rely on the suffered tractive force of integrated chip lead frame volume part front end, integrated chip lead frame volume part is passed from the crack of upper and lower straightener roll, straightener roll 2 is when applying thrust to integrated chip lead frame volume part, itself rely on force of rolling friction to rotate around the rotating shaft 21 at its center, this rotation is also adopted gear mesh and the power set drive unlike the patent in the aforementioned background art, demonstrate soft characteristics of the present invention.
The upper and lower straightener roll 2 that arranges that mutually staggers is smoothed integrated chip lead frame volume part successively, first straightener roll of porch will be rolled up part and down bend, adopt hypercorrect measure to eliminate residual elastic force, to roll up the most of flexibility of part and reduce, even may also leave the part back-flexing; Second straightener roll smooths the volume part again to the smoothing of residue flexibility substantially, and the flexibility of volume part is further dwindled, and further smooths through the 3rd straightener roll, and the volume part reaches fully smooth step by step.Because it is very little to roll up the required roll smoothing force of part, adopt the gravity of the straightener roll self of cantilever to be enough to reply, the effect of slide rail is the horizontal traction force that balance may exist; The size of roll smoothing force and upper strata straightener roll are with respect to the Range-based connection of lower floor's straightener roll, and the variation of adjusting the distance is very responsive, employing comprises that the fine adjustment means of differential thread guiding mechanism 3 can reach satisfied accurate adjustment, especially the adjustment of last root straightener roll needs very carefully especially, uses fine adjustment means adjustment is easily finished.
Differential thread guiding mechanism 3 comprises a both-end screwed pipe 31, screw rod 1 and screw rod 2 33, the bottom of screw rod 1 is fixedly connected with by adapter sleeve 5 with an end of the rotating shaft 21 of upper strata one straightener roll, the middle part of screw rod 1 is that section is foursquare guide section 321, guide section 321 slides in the fairlead 6 that is fixedly connected with frame 1, the lower screw 311 of both-end screwed pipe 31 matches with the external screw thread of the epimere of screw rod 1, the upper screw 312 of both-end screwed pipe 31 matches with the external screw thread of the hypomere of screw rod 2 33, and by the shoulder 331 of being located at screw rod 2 33 middle parts and tightly lock, the external screw thread of the epimere of screw rod 2 33 cooperates with the screw 11 of being located at frame 1 top, the upper end milling of screw rod 2 33 has the endoporus fit of two parallel planes of opposite side and adjusting handle 7, locks with sunk screw 71 in the upper surface again; The external screw thread of screw rod one 32 epimeres is the thread segment that pitch is different and thread rotary orientation is opposite with the external screw thread of screw rod 2 33 epimeres.Rotate adjusting handle 7 and drive screw rod 2 33, and drive both-end screwed pipe 31, both-end screwed pipe 31 drives screw rod 1, and then drive adapter sleeve 5 and straightener roll 2 moves, the differential action of the reverse thread by both-end screwed pipe 31 and screw rod 1 and screw rod 2 33, make adapter sleeve 5 and straightener roll 2 only do small movement, reach the purpose of intense adjustment.
Differential thread guiding mechanism 3 is provided with the displacement indicating device, and the displacement indicating device is made of with the index line that is located at screw rod two sheaths 8 sides at frame 1 top the 20 evenly divided lines 72 that are located at adjusting handle 7 outer peripheral faces.Evenly divided line 72 can be used for the rotational angle of intense adjustment both-end screwed pipe 31, learns the axial internal clearance of screw rod 1 thereby convert.
The external screw thread of screw rod one 32 epimeres is left hand thread, and pitch is 0.5mm, and the external screw thread of screw rod 2 33 epimeres is right-handed thread, and pitch is 0.4mm.Supposing to rotate adjusting handle 7 makes screw rod 2 33 dextrorotation rotate a week, can drive both-end screwed pipe 31 and drive screw rod 1 and rise to 0.5mm, but the circumferential movement of screw rod one is subjected to the restriction of fairlead 321, screw rod 1 can only move vertically, screw rod 1 is 0.4mm with the pitch that cooperates left hand thread of both-end screwed pipe 31, therefore screw rod 1 is with decline 0.4mm, and the part of offsetting both-end screwed pipe 31 involves movement, and synthesis result is screw rod 1 0.1mm that moves down; Further the scale according to adjusting handle 7 sides is 20 lattice, screw rod 1 mobile 0.1/20=0.005mm only when then adjusting handle 7 rotates lattice, and degree of regulation reaches micron level.
Embodiment 2: straightener roll has 3, and wherein 2 on the upper strata, and 1 in lower floor, 3 straightener rolls formation V-shape that is staggered, and all the other structures are with embodiment 1.
Embodiment 3: straightener roll has 5, and wherein 3 on the upper strata, and 25 straightener rolls are staggered and form the W word shape in lower floor, and straightener roll all is cantilever beam structures, and all the other structures are with embodiment 1, such as Fig. 2, shown in Figure 3.
The utility model can be used for smoothing volume part in the integrated chip lead frame is produced in enormous quantities, have light and handy and meticulous characteristics, easy to adjust, can improve the high advantage of flatness grade, surface quality of workpiece, if those skilled in the art does simple the modification or replacement to the foregoing invention content, such change can not think to break away from scope of the present utility model, and all will be included within the scope of claim of the present utility model the apparent modification of those skilled in the art like this.
Claims (8)
1. integrated chip lead frame leveling apparatus, comprise the parallel to each other and straightener roll that mutually stagger and arrange by the upper and lower of frame, be connected with frame at least three, it is characterized in that, its rotating shaft of straightener roll of being located at the upper strata has an end to be connected with support by fine adjustment means, described fine adjustment means comprises the differential thread guiding mechanism, and the rotating shaft other end of straightener roll is cantilever position or joins with a vertically disposed slide rail cunning.
2. integrated chip lead frame leveling apparatus according to claim 1, it is characterized in that, the differential thread guiding mechanism comprises a both-end screwed pipe, screw rod one and screw rod two, the bottom of screw rod one is fixedly connected with by adapter sleeve with an end of the rotating shaft of the straightener roll on upper strata, the middle part of screw rod one is that section is foursquare guide section, in the fairlead that guide section slides over frame is fixedly connected with, the lower screw of both-end screwed pipe matches with the external screw thread of the epimere of screw rod one, the upper screw of both-end screwed pipe matches with the external screw thread of the hypomere of screw rod two, and by the shoulder of being located at screw rod two middle parts and tightly lock, the external screw thread of the epimere of screw rod two cooperates with the screw of being located at frame top, the upper end of screw rod two is fixedly connected with adjusting handle, and the external screw thread of screw rod one epimere is the thread segment that pitch is different and thread rotary orientation is opposite with the external screw thread of screw rod two epimeres.
3. integrated chip lead frame leveling apparatus according to claim 2, it is characterized in that, the differential thread guiding mechanism is provided with the displacement indicating device, and the displacement indicating device is made of the evenly divided line that is located at the adjusting handle outer peripheral face and the index line that is located at the screw rod two sheath sides of frame top.
4. according to claim 1 and 2 or 3 described integrated chip lead frame leveling apparatus, it is characterized in that described slide rail is arranged on the side of balladeur train, balladeur train is fixed on the frame.
5. integrated chip lead frame leveling apparatus according to claim 4 is characterized in that, straightener roll wraps soft rubber by sleeve pipe and bushing outer surface and consists of, and sleeve pipe is connected with rotating shaft by bearing.
6. according to claim 2 or 3 described integrated chip lead frame leveling apparatus, it is characterized in that the external screw thread of screw rod one epimere is left hand thread, pitch is 0.5mm, and the external screw thread of screw rod two epimeres is right-handed thread, and pitch is 0.4mm.
7. integrated chip lead frame leveling apparatus according to claim 5 is characterized in that, straightener roll has 3, and wherein 2 on the upper strata, and 1 in lower floor, 3 straightener rolls formation V-shape that is staggered.
8. integrated chip lead frame leveling apparatus according to claim 5 is characterized in that, straightener roll has 5, and wherein 3 on the upper strata, and 2 in lower floor, and 5 straightener rolls are staggered and form the W word shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391503 CN202701037U (en) | 2012-08-09 | 2012-08-09 | Integrated chip lead frame leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220391503 CN202701037U (en) | 2012-08-09 | 2012-08-09 | Integrated chip lead frame leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701037U true CN202701037U (en) | 2013-01-30 |
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ID=47581377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220391503 Expired - Fee Related CN202701037U (en) | 2012-08-09 | 2012-08-09 | Integrated chip lead frame leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814359A (en) * | 2012-08-09 | 2012-12-12 | 浙江捷华电子有限公司 | Integrated chip lead frame leveling device |
| CN103464608A (en) * | 2013-09-27 | 2013-12-25 | 铜陵丰山三佳微电子有限公司 | High-speed progressive die for correcting coplanarity of lead frame |
-
2012
- 2012-08-09 CN CN 201220391503 patent/CN202701037U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814359A (en) * | 2012-08-09 | 2012-12-12 | 浙江捷华电子有限公司 | Integrated chip lead frame leveling device |
| CN102814359B (en) * | 2012-08-09 | 2014-06-25 | 浙江捷华电子有限公司 | Integrated chip lead frame leveling device |
| CN103464608A (en) * | 2013-09-27 | 2013-12-25 | 铜陵丰山三佳微电子有限公司 | High-speed progressive die for correcting coplanarity of lead frame |
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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: 20130130 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |