CN212885606U - Soldering clamp for IGBT radiator - Google Patents
Soldering clamp for IGBT radiator Download PDFInfo
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- CN212885606U CN212885606U CN202021929093.3U CN202021929093U CN212885606U CN 212885606 U CN212885606 U CN 212885606U CN 202021929093 U CN202021929093 U CN 202021929093U CN 212885606 U CN212885606 U CN 212885606U
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- igbt radiator
- clamping plate
- igbt
- clamping
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Abstract
The utility model discloses a brazing clamp for IGBT radiator, it includes the relative lower mould that sets up and goes up mould, lower plate and punch holder and IGBT radiator phase-match, the two links firmly between lower mould and last mould through the elastic clamping mechanism who is the multiunit setting. The utility model discloses simple structure, operation flexibility and convenience are high, and good reliability is applicable to the clamping location when new energy automobile IGBT radiator brazes, and positioning accuracy is high, guarantees that the radiator flatness after welding is good, and the rate of drilling is high, and size accuracy is good, durable, and the practicality is strong.
Description
Technical Field
The utility model relates to a brazing anchor clamps for IGBT radiator belongs to radiator manufacturing frock technical field.
Background
The IGBT radiator is a radiating element applied to an IGBT module of a new energy automobile and is also an important safety part on the automobile. The radiator is formed by assembling and integrally welding a plurality of parts such as a cover plate, a bottom plate, a corrugated plate, a pipe nozzle, a sealing seat and the like by adopting vacuum brazing. In the welding process, the clamp is required to effectively overcome welding deformation and continuously apply enough pressure to each welding surface in the welding process to eliminate gaps, and the existing clamp has high rigidity and cannot meet the use requirement, so that the precision of the product in the aspects of flatness, brazing rate, size and the like after brazing is low; in addition, in the clamping process, the contact area of the clamp and the radiator core is large, and the influence of heat conduction and heat loss of the clamp on the brazing temperature is large, so that the welding quality is poor, and cold joint is easy to occur.
Disclosure of Invention
In view of this, the utility model aims at providing a brazing anchor clamps for IGBT radiator can overcome prior art's not enough.
The utility model aims at realizing through the following technical scheme:
the utility model provides a brazing clamp for IGBT radiator, it includes the lower mould and last mould, lower plate and the punch holder that set up relatively, lower plate and punch holder and IGBT radiator phase-match, the two links firmly between lower mould and last mould through the elasticity clamping mechanism that is the multiunit setting.
The elastic clamping mechanisms are symmetrically arranged in two groups, and each group of elastic clamping mechanisms is distributed in a triangular shape.
The elastic clamping mechanism comprises a mounting column fixedly connected to the lower die, a high-temperature-resistant spring is sleeved on the mounting column, and a limiting end is arranged at the top end of the mounting column and is connected with a clamping plate fixedly connected to the upper die in a clamping mode.
The clamping plate is provided with a waist round hole, so that the waist round hole is fixedly connected to the upper die through an adjusting screw; the clamping plate is provided with a clamping groove matched with the limiting end of the mounting column, and the clamping groove is formed by transitionally connecting a mounting ring groove and a clamping ring groove; and the cardboard is provided with an avoiding groove corresponding to the nozzle of the IGBT radiator and the round hole.
The lower die and the upper die are both of U-shaped groove steel structures.
First slots convenient for the nozzle of the IGBT radiator to pass through are arranged on two sides of the lower die, second slots corresponding to the first slots are arranged on two sides of the upper die, and the second slots are matched with the nozzle.
And weight reduction grooves are formed in the middle parts of the lower die and the upper die.
The lower plate and the upper plate are both made of 1Cr18Ni9Ti, and graphite plates are embedded in the opposite surfaces of the lower plate and the upper plate.
Third slotted holes matched with the nozzles are formed in the two sides of the lower clamping plate, and fourth slotted holes corresponding to the third slotted holes are formed in the two sides of the upper clamping plate; a sinking groove matched with the IGBT radiator in shape is arranged in the middle of the lower clamping plate; the lower clamping plate and the upper clamping plate are respectively provided with a positioning hole which is consistent with the hole position of each mounting hole on the IGBT radiator.
The lower clamping plate is also provided with a limiting mechanism, and the positioning mechanism is a plurality of limiting columns uniformly distributed on the upper surface of the lower clamping plate.
Compared with the prior art, the utility model discloses a brazing clamp for IGBT radiator, its lower mould that includes relative setting and last mould, lower plate and punch holder and IGBT radiator phase-match, the two links firmly between lower mould and last mould through the elastic clamping mechanism who is the multiunit setting. During installation, at first install the lower plate on the lower mould, and assemble parts such as the apron of IGBT radiator, the buckled plate, the bottom plate, the mouthpiece, the seal receptacle one by one, wherein sink the groove on the lower plate in the assembling process, the locating hole is fixed a position, guarantee that the appearance of IGBT radiator and each round hole site on it coincide unanimously, install the punch holder again, go up the mould in proper order on the IGBT radiator, guarantee that the punch holder locating hole coincides with each round hole site of IGBT radiator, and finally, it presss from both sides tight IGBT radiator to realize lower plate and punch holder through elastic clamping mechanism, and the dress stove is brazed.
The utility model has the advantages that:
the utility model discloses simple structure, operation flexibility and convenience are high, and good reliability is applicable to the clamping location when new energy automobile IGBT radiator brazes, and positioning accuracy is high, guarantees that the radiator flatness after welding is good, and the rate of drilling is high, and size accuracy is good, durable, and the practicality is strong.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a conventional IGBT heat sink.
Fig. 2 is a schematic front structural view of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a schematic perspective view of the present invention.
Fig. 5 is a schematic structural view of the middle lower splint of the present invention.
Fig. 6 is a schematic structural view of the upper splint of the present invention.
Fig. 7 is a schematic structural view of the middle clip plate of the present invention.
Fig. 8 is a schematic view of the assembled structure of the present invention.
Fig. 9 is a schematic diagram of the assembled structure of the present invention.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, the conventional IGBT radiator includes a cover plate, a corrugated plate, a bottom plate 101, a nozzle 102, a sealing seat, and other parts, which are assembled and vacuum brazed into a whole, and the cover plate, the corrugated plate, and the bottom plate 101 are required to have the same shape and the same hole position of each mounting hole 103.
As shown in fig. 1-9, the utility model discloses a brazing clamp for IGBT radiator, it includes relative lower mould 2 that sets up and last mould 3, lower plate 4 and punch holder 5 and IGBT radiator 1 phase-match, the two links firmly between lower mould 2 and last mould 3 through the elastic clamping mechanism 6 that is the multiunit setting.
The middle part of the lower die 2 is provided with a first weight-reducing groove 22, the middle part of the upper die 3 is provided with a second weight-reducing groove 32, and the weight-reducing grooves are formed to ensure that the lower die is light and easy to carry.
The lower clamping plate 4 and the upper clamping plate 5 are made of 1Cr18Ni9Ti, and graphite plates are embedded in the opposite surfaces of the lower clamping plate 4 and the upper clamping plate 5. The two are combined by adopting 1Cr18Ni9Ti and graphite, and have the characteristics of good thermal conductivity, small specific heat capacity and small density. The main material of lower plate 4 and upper plate 5 is 1Cr18Ni9Ti, guarantees the requirement of anchor clamps rigidity, and graphite plate and IGBT radiator 1 are laminated mutually, guarantee the flatness requirement after IGBT radiator 1 assembles.
Third slotted holes 41 matched with the nozzles 102 are arranged on two sides of the lower clamping plate 4, and fourth slotted holes 51 corresponding to the third slotted holes are arranged on two sides of the upper clamping plate 5, so that the assembling and positioning of the nozzles 102 are further ensured.
A sinking groove 42 matched with the IGBT radiator in shape is arranged in the middle of the lower clamping plate 4; the lower clamp plate 4 is provided with first positioning holes 43 matched with the mounting holes 103 on the IGBT radiator, and the upper clamp plate 5 is provided with second positioning holes 52 corresponding to the first positioning holes.
Still be equipped with stop gear 7 on lower plate 4, stop gear 7 is the spacing post of a plurality of equipartitions at lower plate 4 upper surface to guarantee IGBT radiator 1's equipment size precision.
The elastic clamping mechanisms 6 are symmetrically arranged in two groups, and each group of elastic clamping mechanisms 6 is distributed in a triangular shape. Enough pressure is continuously applied to the IGBT radiator 1 in the welding process, the thermal deformation of the IGBT radiator 1 is overcome, and the brazing rate and the flatness requirements of the IGBT radiator 1 are met.
The elastic clamping mechanism 6 comprises a mounting column 61 fixedly connected to the lower die 2, a high-temperature-resistant spring 62 is sleeved on the mounting column 61, and a limiting end 611 is arranged at the top end of the mounting column 61 and is clamped with a clamping plate 63 fixedly connected to the upper die 3.
A waist circular hole 631 is formed in the clamping plate 63 and is fixedly connected to the upper die 3 through an adjusting screw 64; be equipped with the draw-in groove 632 with the spacing end 611 looks adaptation of erection column 61 on cardboard 63, draw-in groove 632 is formed by erection ring groove and the transition of chucking annular groove, during the installation, unscrews adjusting screw 64, and in the spacing end 611 of erection column inserted the erection ring groove, remove cardboard 63 and make erection column 61 card go into the chucking annular groove in, screw up adjusting screw 64 again, can accomplish the installation fixed.
The card 63 is provided with a recess groove 633 corresponding to the IGBT heat sink nozzle 102 and the mounting hole 103.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, which is confidential, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments do not depart from the technical solution of the present invention.
Claims (10)
1. The utility model provides a soldering anchor clamps for IGBT radiator which characterized in that: it includes relative lower mould (2) that sets up and last mould (3), lower plate (4) and punch holder (5) and IGBT radiator (1) phase-match, the two links firmly between lower mould (2) and last mould (3) through elastic clamping mechanism (6) that are the multiunit setting.
2. The brazing jig for an IGBT radiator according to claim 1, characterized in that: the elastic clamping mechanisms (6) are symmetrically arranged in two groups, and each group of elastic clamping mechanisms (6) is distributed in a triangular shape.
3. The brazing jig for an IGBT radiator according to claim 2, characterized in that: the elastic clamping mechanism (6) comprises a mounting column (61) fixedly connected to the lower die (2), a high-temperature-resistant spring (62) is sleeved on the mounting column (61), and a limiting end (611) is arranged at the top end of the mounting column (61) and is connected with a clamping plate (63) fixedly connected to the upper die (3) in a clamping mode.
4. The brazing jig for an IGBT radiator according to claim 3, characterized in that: the clamping plate (63) is provided with a waist round hole (631) which is fixedly connected to the upper die (3) through an adjusting screw (64); a clamping groove (632) matched with the limiting end (611) of the mounting column is formed in the clamping plate (63), and the clamping groove (632) is formed by transitionally connecting a mounting ring groove and a clamping ring groove; and the clamping plate (63) is provided with a hiding groove (633) corresponding to the IGBT radiator nozzle (102) and the mounting hole (103).
5. The brazing jig for an IGBT radiator according to claim 1, characterized in that: the lower die (2) and the upper die (3) are both of U-shaped groove steel structures.
6. The brazing jig for an IGBT radiator according to claim 5, characterized in that: first slotted holes (21) which are convenient for the IGBT radiator nozzle (102) to pass through are formed in two sides of the lower die (2), second slotted holes (31) corresponding to the first slotted holes (21) are formed in two sides of the upper die (3), and the second slotted holes (31) are matched with the nozzle (102).
7. The brazing jig for an IGBT radiator according to claim 6, characterized in that: weight reduction grooves are formed in the middle of the lower die (2) and the middle of the upper die (3).
8. The brazing jig for an IGBT radiator according to claim 1, characterized in that: the lower clamping plate (4) and the upper clamping plate (5) are both made of 1Cr18Ni9Ti, and graphite plates are embedded in the opposite surfaces of the lower clamping plate (4) and the upper clamping plate (5).
9. The brazing jig for an IGBT radiator according to claim 8, characterized in that: third slotted holes (41) matched with the nozzles (102) are formed in the two sides of the lower clamping plate (4), and fourth slotted holes (51) corresponding to the third slotted holes are formed in the two sides of the upper clamping plate (5); a sinking groove (42) matched with the shape of the IGBT radiator (1) is arranged in the middle of the lower clamping plate (4); the lower clamping plate (4) and the upper clamping plate (5) are respectively provided with a positioning hole which is consistent with the hole position of each mounting hole (103) on the IGBT radiator.
10. The brazing jig for an IGBT radiator according to claim 1, characterized in that: still be equipped with stop gear (7) on lower plate (4), stop gear (7) are a plurality of equipartitions at the spacing post of lower plate (4) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021929093.3U CN212885606U (en) | 2020-09-07 | 2020-09-07 | Soldering clamp for IGBT radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021929093.3U CN212885606U (en) | 2020-09-07 | 2020-09-07 | Soldering clamp for IGBT radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212885606U true CN212885606U (en) | 2021-04-06 |
Family
ID=75256640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021929093.3U Active CN212885606U (en) | 2020-09-07 | 2020-09-07 | Soldering clamp for IGBT radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212885606U (en) |
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2020
- 2020-09-07 CN CN202021929093.3U patent/CN212885606U/en active Active
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