CN103586803B - A kind of IGBT module electrode bending positioning tool and equipment and using method - Google Patents
A kind of IGBT module electrode bending positioning tool and equipment and using method Download PDFInfo
- Publication number
- CN103586803B CN103586803B CN201310614076.9A CN201310614076A CN103586803B CN 103586803 B CN103586803 B CN 103586803B CN 201310614076 A CN201310614076 A CN 201310614076A CN 103586803 B CN103586803 B CN 103586803B
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- Prior art keywords
- bending
- igbt module
- electrode
- bending equipment
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/18—Joggling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of IGBT module electrode bending positioning tool, comprise a bending equipment base be connected with electrode bending equipment and be positioned at the positioning chassis above bending equipment base, the upper surface of described positioning chassis is provided with four alignment pins in the position of the installation through hole corresponding to IGBT module base plate four edges, described positioning chassis diagonal point of intersection bottom it arranges a criss-cross king pin to lower convexity, and described bending device base offers the cross recess of a corresponding size corresponding to described king pin position.The invention discloses a kind of bending equipment of IGBT module electrode and the using method of this bending equipment that comprise above-mentioned IGBT module electrode bending positioning tool.The present invention, by arranging positioning element, enables IGBT module keep stable when carrying out electrode bending and is not shifted, ensure that the quality of production of IGBT module.
Description
Technical field
The invention belongs to electronic manufacturing field, particularly a kind of frock in order to position IGBT module.
Background technology
IGBT (InsulatedGateBipolarTransistor), insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor be made up of BJT (double pole triode) and MOS (insulating gate type field effect tube).
IGBT module, after installing through colloid perfusion and top cover, carry out electrode bending, so that subsequent module is installed and used.After electrode bending requires bending, the height of each group electrode is consistent, electrode surface coating is intact does not have cut.The quality of electrode bending has important impact for the outward appearance of module and follow-up use.Therefore, accurately to various module carry out bending be IGBT module produce in one important procedure.
During electrode bending, need first module to be fixed on base with certain orientation, then by the electrode bending tool on module top, bending operation is carried out to electrode.When after electrode bending tool and electrode contact, electrode bending tool can produce very strong active force to module electrodes and electrode bending be flattened, if module is fixed loosely on base, can displacement be produced at forceful action lower module during bending, so not only can increase the height error of bending rear electrode, also may produce scratch, cut at electrode surface, to outward appearance and the follow-up use generation harmful effect of module, therefore, being fixed on base by module stability, is one of key of module electrodes bending.
In addition, the model of current IGBT module is many, and the distribution of electrodes of various module also difference to some extent, main manifestations is height, the size different with the direction of bending (in same module, the wrap direction of different group electrode is different) of electrode.For differing heights, the electrode of different size, can solve by regulating bending tool height or changing bending tool, but for the module that each group of electrode wrap direction is different, because bending tool is after moving up and down and determining height, can only move to same direction and carry out electrode bending, after completing one group of identical electrode of direction, reorientate after also needing module to turn to, directed, again bending operation is carried out to another group electrode, so repeatedly module picked and placeed and locate, directional operation, namely be difficult to guarantee location, directed accuracy, also operating efficiency has been had a strong impact on.So how accurately, modules different to each group of electrode wrap direction efficiently carries out electrode bending operation, is also urgent problem during IGBT module is produced.
Summary of the invention
Consistent with group electrode height after the electrode bending of IGBT module requires bending, electrode surface level and smooth and do not have cut, therefore during bending, the location of module is wanted accurately and is fixed well.Because all there is installation through hole at the edge of IGBT module base plate, and hardness and the thickness of IGBT module base plate are larger, there is good stress performance, consider this feature of IGBT module, the present invention is directed to the deficiencies in the prior art, provide a kind of and can position this module when IGBT module bending, directed frock.
A kind of IGBT module electrode bending positioning tool, be installed in an electrode bending equipment, comprise a bending equipment base be connected with electrode bending equipment and be positioned at the positioning chassis above bending equipment base, it is characterized in that, the upper surface of described positioning chassis is provided with four alignment pins in the position of the installation through hole corresponding to IGBT module base plate four edges, described positioning chassis arranges a king pin to lower convexity in its bottom center, described king pin is square or cross, described bending device base is offering a shape corresponding to described king pin position, the groove that size is all corresponding with described king pin.
Further, described alignment pin geomery is all corresponding with the geomery of described installation through hole.
Further, described positioning chassis is offered some first dowel holes, described bending equipment base corresponds to described first dowel hole position and offer the second dowel hole, this positioning chassis and bending equipment base are fixed by a fastening screw.
Further, described positioning chassis is surveyed both sides and is respectively provided with a handle.
A bending equipment for IGBT module electrode, comprises the IGBT module electrode bending positioning tool described in above-mentioned any one.
IGBT module electrode is carried out to a method for bending, use above-mentioned bending equipment, comprising step is:
S1: the model according to IGBT module is selected corresponding described positioning chassis and is arranged on described bending equipment base;
S2: the electrode of this IGBT module first direction of bending;
S3: unloaded from described bending equipment base by described positioning chassis, is fixedly installed on described bending equipment base again after rotating the first angle;
S4: the electrode of this IGBT module second direction of bending, described second direction is identical with described first angle with the angle that first direction differs;
Repeat step S2 to S4, until in IGBT module the angled electrode of institute all by bending.
Preferably, described first angle is 90 degree or 180 degree.
Compared with prior art, beneficial effect of the present invention: firmly location and accurately orientation have been carried out to IGBT module when electrode bending, solve the problem that same IGBT module is brought because Different electrodes group wrap direction is different, improve bending quality and the bending efficiency of IGBT module.
Accompanying drawing explanation
In order to the technical scheme in the embodiment of the present invention is more clearly described, introduce to the accompanying drawing used required in embodiment simply below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of positioning chassis in the embodiment of the present invention;
Fig. 2 is the side view of positioning chassis in the embodiment of the present invention;
Fig. 3 is the top view of positioning chassis in the embodiment of the present invention;
Fig. 4 is the top view of bending equipment base in the embodiment of the present invention;
Fig. 5 is the side view of criss-cross king pin in the embodiment of the present invention;
Fig. 6 is the top view of criss-cross king pin in the embodiment of the present invention.
Wherein:
1, positioning chassis; 2, bending equipment base; 3, alignment pin; 4, king pin;
5, groove; 61, the first dowel hole; 62, the second dowel hole; 7, handle.
Detailed description of the invention
The invention discloses a kind of employing at the module bottom hole hypothesis firm IGBT module base plate of method of alignment pin and the module positioning tool of bending equipment position relationship.
As shown in Figures 1 to 4, the module positioning tool in the embodiment of the present invention comprises a positioning chassis 1 and bending equipment base 2.Described positioning chassis 1 fixes IGBT module base plate for support, the edge of IGBT module base plate is equipped with some installation through holes, the position of installation through hole that described positioning chassis 1 is corresponding to IGBT module four edges arranges four alignment pins 3, and the shape of this alignment pin 3, position, size must in strict accordance with the shape of the installation through hole bottom described IGBT module base plate, position, size and making.In the embodiment of the present invention, the installation through hole of IGBT module base plate is cylindric, and therefore the alignment pin 3 of its correspondence is also cylindric.Alignment pin 3 diameter is slightly less than the internal diameter of described installation through hole, if both differences are excessive, can affect the stability of module positioning tool entirety, and affect the accuracy of electrode bending.
As shown in Figures 1 to 4, a king pin 4 to lower convexity is provided with below described positioning chassis 1.The wrap direction respectively organizing electrode due to IGBT module is the difference by 90 ° and 180 °, the steering operation of 90 ° or 180 ° only need be carried out to IGBT module, so the embodiment of the present invention adopts criss-cross king pin 4 to realize turning to module, directed operation during bending.Corresponding, offer a corresponding criss-cross groove 5 of size at described bending device base 2 upper surface, during installation, king pin 4 is inserted in described groove 5.As another embodiment of the present invention, described king pin 4 can be square, can meet IGBT module equally and carry out turning to of 90 ° or 180 °.
Preferably, consider the cost that positioning chassis 1 manufactures with property easy to connect and the frock of bending equipment base 2, the size of overall dimensions of the present invention and king pin 4 all adopts uniform sizes, and the IGBT module for different size needs to make supporting positioning chassis 1: the position according to its IGBT module base plate being installed through hole makes corresponding alignment pin 3 on positioning chassis 1.Therefore, before IGBT module electrode is bent, first to select positioning chassis 1 corresponding to this IGBT module and carry out the installation of positioning chassis 1.
Preferably, four the first dowel holes 61 and four the second dowel holes 62 are set four angles place of positioning chassis 1 of the present invention and bending equipment base 2 is each respectively, described first dowel hole 61 and the second dowel hole 62 position one_to_one corresponding, described positioning chassis 1 is positioned over after on bending equipment base 2, by bolt or other fixed parts through in described first dowel hole 61 and the second dowel hole 62, so that positioning chassis 1 and bending equipment base 2 keep better stability when carrying out bending operation.
Preferably, respectively install a handle 7 in the both sides of described positioning chassis 1, object is that handled easily personnel turn to location to positioning chassis 1 or change the operations such as positioning chassis.Handle in the embodiment of the present invention is n shape, and handle two ends are fixed by modes such as welding.
In the electrode Forging Process of IGBT module, the first step, the model according to IGBT module is selected corresponding positioning chassis 1 and is mounted on bending equipment base 2.Second step, bends the electrode of all first directions in this IGBT module.When there is the electrode of different wrap direction, need to turn to IGBT module, therefore, 3rd step, unload the fixed parts such as the bolt assigning in the first dowel hole 61 of positioning chassis 1 and the second dowel hole of bending equipment base 2 62, then positioning chassis 1 is picked up and after turning to of 90 ° or 180 ° is carried out to it, king pin 4 criss-cross in the embodiment of the present invention is reinserted in corresponding groove 5, again install the fixed parts such as bolt and just complete the turning to of IGBT module, directional operation.4th step, the electrode of this IGBT module second direction of bending, the angle that described first direction differs with second direction is 90 ° or 180 °.Repeat above-mentioned second step to the 4th step, until in IGBT module institute angled electrode all by bending.
Of the present inventionly thisly to turn to, feature that orientation method fully combines IGBT module electrode wrap direction, turn to, orientation method is simply accurate, and embedded between king pin 4 with cross recess 5 is connected the stability also improving and be connected between IGBT module positioning chassis 1 with bending equipment base 2.
Above embodiment is only the preferred embodiment of the present invention, in all the other embodiments, the quantity of alignment pin 3, first dowel hole 61 on positioning chassis 1 and corresponding second dowel hole 62 thereof all can be set to several, and is not limited only to four alignment pins in above-mentioned embodiment 3 and four to the first dowel hole 61 and the second dowel hole 62; Its position of handle 7 of positioning chassis 1, quantity, shape can convert arbitrarily according to actual conditions; Fixed part for stationary positioned chassis and bending equipment base also can be other fixed parts beyond bolt.
Compared with prior art, the present invention has the following advantages:
(1) by arranging the devices such as some locating holes and alignment pin, the module base plate of IGBT being stable on bending equipment base, can effectively preventing module from relative displacement occurring in Forging Process, improve the success rate of electrode bending.
(2) for the module that electrode wrap direction is different, this positioning tool devises criss-cross king pin for location according to the wrap direction feature of electrode, IGBT module is fast accurately turned to, directed and locate, and enhances productivity.
(3) be equipped with positioning chassis corresponding with it according to the IGBT module of different size, the ability that is suitable for improving positioning tool controls again the manufacturing cost of frock simultaneously.
(4) set up handle in frock both sides, handled easily personnel carry out turning to location or changing the operations such as frock.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. an IGBT module electrode bending positioning tool, be installed in an electrode bending equipment, comprise a bending equipment base be connected with electrode bending equipment and be positioned at the positioning chassis above bending equipment base, it is characterized in that, the upper surface of described positioning chassis is provided with four alignment pins in the position of the installation through hole corresponding to IGBT module base plate four edges, described positioning chassis arranges a king pin to lower convexity in its bottom center, described king pin is square or cross, described bending equipment base is offering a shape corresponding to described king pin position, the groove that size is all corresponding with described king pin.
2. IGBT module electrode bending positioning tool according to claim 1, is characterized in that, described alignment pin geomery is all corresponding with the geomery of described installation through hole.
3. IGBT module electrode bending positioning tool according to claim 1, it is characterized in that, described positioning chassis is offered some first dowel holes, described bending equipment base corresponds to described first dowel hole position and offer the second dowel hole, this positioning chassis and bending equipment base are fixed by a fastening screw.
4. IGBT module electrode bending positioning tool according to claim 1, it is characterized in that, described positioning chassis both sides are respectively provided with a handle.
5. a bending equipment for IGBT module electrode, is characterized in that: comprise the IGBT module electrode bending positioning tool described in Claims 1-4 any one.
6. IGBT module electrode is carried out to a method for bending, use bending equipment as claimed in claim 5, it is characterized in that, comprising step is:
S1: the model according to IGBT module is selected corresponding described positioning chassis and is arranged on described bending equipment base;
S2: the electrode of this IGBT module first direction of bending;
S3: unloaded from described bending equipment base by described positioning chassis, is fixedly installed on described bending equipment base again after rotating the first angle;
S4: the electrode of this IGBT module second direction of bending, described second direction is identical with described first angle with the angle that first direction differs;
S5: repeat S3;
Repeat step S2 to S5, until in IGBT module the angled electrode of institute all by bending.
7. method of IGBT module electrode being carried out to bending as claimed in claim 6, is characterized in that: described first angle is 90 degree or 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614076.9A CN103586803B (en) | 2013-11-25 | 2013-11-25 | A kind of IGBT module electrode bending positioning tool and equipment and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614076.9A CN103586803B (en) | 2013-11-25 | 2013-11-25 | A kind of IGBT module electrode bending positioning tool and equipment and using method |
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| Publication Number | Publication Date |
|---|---|
| CN103586803A CN103586803A (en) | 2014-02-19 |
| CN103586803B true CN103586803B (en) | 2016-04-13 |
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| CN201310614076.9A Expired - Fee Related CN103586803B (en) | 2013-11-25 | 2013-11-25 | A kind of IGBT module electrode bending positioning tool and equipment and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103824793A (en) * | 2014-02-28 | 2014-05-28 | 西安永电电气有限责任公司 | Electrode modification device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201396A (en) * | 2011-05-31 | 2011-09-28 | 常州瑞华电力电子器件有限公司 | Large insulated gate bipolar translator (IGBT) module and packaging method thereof |
| CN102740609A (en) * | 2011-04-13 | 2012-10-17 | 纬创资通股份有限公司 | Printed circuit board, supporting jig and positioning method |
| CN202762911U (en) * | 2012-06-11 | 2013-03-06 | 临海市志鼎电子科技有限公司 | Bending device for leading-out electrode of high-power semiconductor module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4329187B2 (en) * | 1999-10-29 | 2009-09-09 | 富士電機デバイステクノロジー株式会社 | Semiconductor element |
| JP4628687B2 (en) * | 2004-03-09 | 2011-02-09 | ルネサスエレクトロニクス株式会社 | Semiconductor device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102740609A (en) * | 2011-04-13 | 2012-10-17 | 纬创资通股份有限公司 | Printed circuit board, supporting jig and positioning method |
| CN102201396A (en) * | 2011-05-31 | 2011-09-28 | 常州瑞华电力电子器件有限公司 | Large insulated gate bipolar translator (IGBT) module and packaging method thereof |
| CN202762911U (en) * | 2012-06-11 | 2013-03-06 | 临海市志鼎电子科技有限公司 | Bending device for leading-out electrode of high-power semiconductor module |
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| CN103586803A (en) | 2014-02-19 |
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