CN101504918B - Preparation method of cylindrical straight wire for metal case - Google Patents
Preparation method of cylindrical straight wire for metal case Download PDFInfo
- Publication number
- CN101504918B CN101504918B CN 200910025908 CN200910025908A CN101504918B CN 101504918 B CN101504918 B CN 101504918B CN 200910025908 CN200910025908 CN 200910025908 CN 200910025908 A CN200910025908 A CN 200910025908A CN 101504918 B CN101504918 B CN 101504918B
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- China
- Prior art keywords
- wire
- lead
- leading wire
- shaped groove
- cylindrical straight
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- Expired - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a method for preparing a cylindrical straight leading wire for a metal shell, which comprises the following steps: arranging the leading wire in a V-shaped slot in a leading wire positioning clamp, wherein during the arranging, one end of the leading wire is resisted in alignment with a bottom board of the V-shaped slot in the positioning clamp; fixing the leading wire positioning clamp and a pressure plate by using screws so as to compact the leading wire; performing course grinding and fine grinding on one exposed end of the leading wire in the V-shaped slot in the leading wire positioning clamp in turn; demounting the bottom board resisting against the leading wire, mounting and tightly fixing the bottom board on the other side of the V-shaped slot, so that the other end of the leading wire is exposed out of the end face of the V-shaped slot, and repeating the steps to grind out another end face; and taking out the leading wire and putting the leading wire into a press finishing tank, performing press finishing by adding water and a pressing finishing abrasive, and grinding out metal burrs and edges and corners on the edge of the end face so as to obtain the cylindrical straight leading wire according with operating requirements. The method has the advantages of simple processing technique and high precision, and greatly improves the processing efficiency at the same time.
Description
Technical field
The present invention relates to the preparation method of the encapsulation field, particularly a kind of cylindrical straight wire for metal case of a kind of electronics and photoelectron product.
Background technology
In the manufacture process of metal shell, it is more a kind of that cylindrical straight wire is to use, and usually uses in the metal shell of straight cutting class as lead-out wire, and the end face of its lead-in wire part in the chamber is used to provide the bonding face that is connected with circuit such as chip.Require not too high product can the lead-in wire through cutting directly just be used on product to some, and to requiring the product of high reliability, this lead-in wire just can not satisfy instructions for use.For the quality that makes the lead-in wire end face reaches instructions for use, common way is the lengthening certain-length that will go between earlier, after operation to be sintered is finished, lead-in wire has been sintered to one with housing by glass insulator, at this moment use cutter special that lead-in wire is grown part and cut, then the cut surface that goes between is carried out fine grinding with the metallographic rubber and meet instructions for use until the roughness of end face.This way reduces effect, easily glass is caused in the process of cutting and fine grinding simultaneously and damages and influence the performance of product.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is at the deficiencies in the prior art, and a kind of quality problems that both solved the lead-in wire end face are provided, and has improved the preparation method of the cylindrical straight wire for metal case of production efficiency of products again.
Technical scheme: the invention discloses a kind of preparation method of cylindrical straight wire for metal case, may further comprise the steps:
Step 1 is emitted on lead-in wire in the V-shaped groove of lead-in wire in the positioning fixture, and the end top that makes lead-in wire during discharging is the base plate of V-shaped groove in the positioning fixture together;
Step 2 is fixed with will go between positioning fixture and pressing plate of screw, thereby will be gone between compacting;
Step 5 is taken out lead-in wire and is put into the tumbling jar, and adds entry and the tumbling of tumbling abrasive, grinds off the metallic bur power and the corner angle of end face edge, thereby obtains satisfying the cylindrical straight wire of instructions for use.
Among the present invention, preferably, the material of described cylindrical straight wire is 4J29,4J42, copper core composite leg or other metal or alloy material.
Among the present invention, preferably, in the step 3, use sand paper or belt sander is roughly ground, fine grinding.
Lead-in wire positioning fixture among the present invention comprises lower clamping fixture, base plate and pressing plate, is provided with V-shaped groove on counterdie, is provided with square groove on V-shaped groove, and the angle of V-shaped groove is 60 degree, the recording quantity of V-shaped groove, and another side is sealed with smooth metallic plate.Described pressing plate is provided with the projection adaptive with described square groove.The outer rim of described counterdie and pressing plate is a circular arc, and rule of thumb, the feel of this circular arc design is best, and certainly, outer rim also can be oval, square or other shape.Counterdie and pressing plate are provided with corresponding screw, and available screw is with counterdie and pressing plate tightening behind the full bonnet upper holder block of lead-in wire discharging.
Beneficial effect: a kind of manufacture method that is applicable to electronic product and photoelectron resultant metal package casing lead-in wire of the present invention, its characteristics that are different from other processing method are to utilize the discharging of V-type groove special fixture to cut into the lead-in wire of certain-length, make lead-in wire in groove, be cellular tight arrangement, make that institute is leaded can both to keep plumbness with V-type groove anchor clamps end face.Then by hand, special processing equipment is disposable that all lead-in wire end faces of arranging are milled to the specification requirement that can satisfy product for belt sander or other mill.The lead-in wire that has ground end face just can use for making metal shell after the tumbling operation grinds away end face burr and corner angle again.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done further to specify, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is a V-type groove special fixture schematic diagram.
Fig. 2 is for preparing the V-type groove special fixture of discharging lead-in wire.
Fig. 3 is the anchor clamps of the full lead-in wire of fast discharging.
Fig. 4 is for discharging the view of full and tightening.
View when Fig. 5 goes between end face for mill.
Fig. 6 unclamps taking-up lead-in wire schematic diagram with anchor clamps behind the lead-in wire well for mill.
Fig. 7 left side is the lead-in wire that has ground behind the end face, and the lead-in wire schematic diagram of end face corner angle is removed on the right for barreling.
Embodiment:
The invention discloses a kind of preparation method of cylindrical straight wire for metal case, may further comprise the steps:
Step 1 is ready to the lead-in wire with V-shaped groove lead-in wire positioning fixture and preparation face grinding, as shown in Figure 2.
Step 2, full in the neat V-shaped groove that is emitted on the lead-in wire positioning fixture that goes between until row, an end of lead-in wire is pushed up to metal plate, the other end of lead-in wire grows 1～3mm than the V-shaped groove of positioning fixture, as shown in Figure 3.
Step 5, the base plate that will be used to withstand lead-in wire takes off the another side that is fixed in positioning fixture, and repeating step 2 grinds the lead-in wire of other end to the step 3.The lead-in wire that will grind end face then takes out from the V-shaped groove of lead-in wire positioning fixture, as shown in Figure 6.
As shown in figures 1 and 3, lead-in wire positioning fixture of the present invention comprises lower clamping fixture 1 and pressing plate 2, on counterdie 1, be provided with V-shaped groove 3, on V-shaped groove 3, be provided with square groove 4, the angle of V-shaped groove 3 is 60 degree, the recording quantity of V-shaped groove 3, another side is sealed with smooth metallic plate 5, flexibly connects between metallic plate 5 and the counterdie 1.Preferably, metallic plate 5 and counterdie are provided with corresponding screw, can be so that metallic plate can unload in step 5, and be fixed on another side, so that the lead-in wire end face of opposite side is processed.Described pressing plate 2 is provided with the projection 6 adaptive with described square groove.The outer rim of described counterdie 1 and pressing plate 2 is a circular arc, and rule of thumb, the feel of this circular arc design is best, and certainly, outer rim also can be oval, square or other shape.Counterdie and pressing plate are provided with corresponding screw 7, and available screw is with counterdie and pressing plate tightening behind the full bonnet upper holder block of lead-in wire 7 dischargings.
Method of the present invention is that the lead-in wire that will cut into certain-length is thrown in the V-shaped groove of anchor clamps, and the angle of V-shaped groove is 60 degree, the recording quantity of V-shaped groove, and the metallic plate of another side utilization lead-in wire positioning fixture is sealed.The full bonnet upper holder block 2 screw tightening of lead-in wire discharging.60 the degree V-shaped grooves constraint under, the lead-in wire be cellular tight ordered state, and every lead-in wire all the end face with V-shaped groove is vertical.Lead-in wire one end in V-shaped groove presses closer on metallic plate, and the other end makes it expose 1 to 3 millimeter of V-shaped groove, to be convenient to the mill processing and the unlikely distortion that causes lead-in wire of back.To discharge also then, the good lead-in wire of tightening carries out the processing of end face mill.Its way is that lead-in wire end face to be ground is placed on sand paper, belt sander or other mill process equipment, meets specification requirement through corase grind, fine grinding until end face is milled to.To unload the another side that is fixed on the V-type groove in order to the base plate that withstands lead-in wire then and lead-in wire is exposed, and use the same method and reprocess out the other end of lead-in wire.The lead-in wire that will grind end face afterwards takes out from V-shaped groove to be put in the ball grinder, and adds an amount of water and abrasive material, remove through the ball milling of one suitable period can take out behind the burr of end face edge clean standby.
The invention provides a kind of preparation method's of cylindrical straight wire for metal case thinking and method; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (3)
1. the preparation method of a cylindrical straight wire for metal case is characterized in that, may further comprise the steps:
Step 1 is emitted on lead-in wire in the V-shaped groove of lead-in wire in the positioning fixture, and the end top that makes lead-in wire during discharging is the base plate of V-shaped groove in the positioning fixture together;
Step 2 is fixed with will go between positioning fixture and pressing plate of screw, thereby will be gone between compacting;
Step 3, an end that exposes is roughly ground successively, fine grinding to going between in the V-shaped groove in the lead-in wire positioning fixture;
Step 4, the base plate that will be used to push up neat lead-in wire takes off the another side that is fixed in positioning fixture, and repeating step 2 grinds the lead-in wire of other end to the step 3;
Step 5 is taken out lead-in wire and is put into the tumbling jar, and adds entry and the tumbling of tumbling abrasive, grinds off the metallic bur power and the corner angle of end face edge, thereby obtains described cylindrical straight wire;
Described lead-in wire positioning fixture comprises lower clamping fixture, base plate and pressing plate, is provided with V-shaped groove on counterdie, is provided with square groove on V-shaped groove, the recording quantity of V-shaped groove, and another side is provided with smooth metallic plate, and described pressing plate is provided with the projection adaptive with described square groove.
2. the preparation method of a kind of cylindrical straight wire for metal case according to claim 1 is characterized in that, described cylindrical straight wire is monometallic lead-in wire or metal alloy lead-in wire.
3. the preparation method of a kind of cylindrical straight wire for metal case according to claim 1 is characterized in that, in the step 3, uses sand paper or belt sander is roughly ground, fine grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025908 CN101504918B (en) | 2009-03-13 | 2009-03-13 | Preparation method of cylindrical straight wire for metal case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910025908 CN101504918B (en) | 2009-03-13 | 2009-03-13 | Preparation method of cylindrical straight wire for metal case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101504918A CN101504918A (en) | 2009-08-12 |
| CN101504918B true CN101504918B (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910025908 Expired - Fee Related CN101504918B (en) | 2009-03-13 | 2009-03-13 | Preparation method of cylindrical straight wire for metal case |
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| CN (1) | CN101504918B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814713A (en) * | 2011-06-07 | 2012-12-12 | 宜兴市吉泰电子有限公司 | Method for grinding reducing leads for metal shells |
| CN103594547A (en) * | 2012-08-13 | 2014-02-19 | 宜兴市吉泰电子有限公司 | High efficiency preparation method of cylindrical form straight lead line for metal housing |
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2009
- 2009-03-13 CN CN 200910025908 patent/CN101504918B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101504918A (en) | 2009-08-12 |
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Granted publication date: 20101013 Termination date: 20180313 |