CN220862571U - IGBT device preforming tool - Google Patents
IGBT device preforming tool Download PDFInfo
- Publication number
- CN220862571U CN220862571U CN202322413276.XU CN202322413276U CN220862571U CN 220862571 U CN220862571 U CN 220862571U CN 202322413276 U CN202322413276 U CN 202322413276U CN 220862571 U CN220862571 U CN 220862571U
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- die holder
- igbt device
- tooling
- groove
- upper side
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- 238000003825 pressing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 description 19
- 238000004080 punching Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses an IGBT device preforming tool, which comprises a bottom plate, wherein a lower die holder is arranged on the upper side of the bottom plate, an upper die holder is arranged on the upper side of the lower die holder through a first hydraulic cylinder, a cushion block is arranged in a tool limiting groove in the middle of the upper side of the lower die holder, an elastic pressing mechanism is arranged in the middle of the lower side of the upper die holder, and the lower part of the elastic pressing mechanism is elastically inserted in the upper side of one end of the tool limiting groove close to the cushion block.
Description
Technical Field
The utility model relates to the technical field of IGBT device tools, in particular to an IGBT device preforming tool.
Background
The IGBT used by the photovoltaic product is called an insulated gate bipolar transistor, is a core device of the photovoltaic inverter and accounts for 15-20% of the value of the photovoltaic inverter. Because IGBT device is high-power operation in the course of working, and calorific capacity is big, and the tight connection is done with the fin to the product design time, and the frock design is improper in the production process, must influence its life and heat conductivity, and then brings serious influence to photovoltaic product's normal use. According to the statistics of the current production model, the defect caused by processing damage of the IGBT device of the photovoltaic product in the use process is as high as 5000ppm or even higher, and the IGBT damage can only be scrapped in the actual production process.
The shaping jig of the IGBT with the application number of CN201621110188.6 in the prior art has the advantages that the shaping jig is simple in structure and convenient to use, the first pin and the third pin can be bent through the shaping jig, the second pin can be partially broken and processed, the processing mode of manual processing by manpower is replaced, time and labor are saved, the IGBT is protected, the design is reasonable and novel, the IGBT is worthy of popularization and use, but the device does not have a certain buffering or device positioning function during preprocessing, the device is damaged due to the fact that the stress conduction part body is bent and cut, and the bending preprocessing precision is poor.
Disclosure of utility model
The utility model aims to provide an IGBT device preforming tool, which solves the problems that in the prior art, a device does not have a certain function of buffering or positioning the device during the device preforming, so that a stress conduction part body is damaged during the bending and pin cutting processes of the device, and the bending and preforming precision is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a IGBT device preforming frock, includes the bottom plate, the bottom plate upside is equipped with the die holder, the die holder is installed through first pneumatic cylinder to the die holder upside, the frock spacing groove has been seted up at die holder upside middle part, frock spacing groove one end upside is equipped with the cushion, die holder downside middle part is equipped with elasticity and presses and hold the mechanism, and elasticity presses and hold mechanism lower part elasticity slip and insert and establish the frock spacing groove one end upside that is close to the cushion, the middle part is equipped with stamping mechanism in the die holder.
Further, the tool limiting groove is arranged to be a rectangular groove, and the cushion block is arranged to be a rectangular block.
Further, two first pneumatic cylinders are arranged in parallel, and a PLC control cabinet is arranged on the outer side of the lower die holder.
Further, the elastic pressing mechanism comprises a groove formed in one side of the upper die holder, and a pressing block is longitudinally and elastically arranged in the groove in a sliding manner through a spring.
Furthermore, limit sliding blocks are arranged on two sides of the pressing block, limit sliding grooves are formed in the inner sides of the grooves, and the limit sliding blocks and the limit sliding grooves are arranged in a sliding mode.
Further, the stamping mechanism comprises a second hydraulic cylinder arranged in the upper die holder, and a stamping head is arranged at the lower end of the second hydraulic cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the elastic pressing mechanism is arranged in the middle of the lower side of the upper die holder, the lower part of the elastic pressing mechanism is elastically inserted into the upper side of one end of the tooling limiting groove close to the cushion block in a sliding manner, so that the non-bending end of one end of the IGBT device to be processed is elastically pressed and positioned, meanwhile, the cushion block is arranged on the upper side of one end of the tooling limiting groove, the lower part of the bending part of the pin of the IGBT device to be processed can be supported, the probability of movement during bending operation is reduced, a certain stress buffering performance is realized, the precision of bending preforming is improved, two protective mechanisms are formed, and the damage to the device caused by the stress conduction part body in the bending and pin cutting processes of the device is effectively avoided.
2. According to the utility model, the stamping mechanism is arranged in the middle part in the upper die holder and comprises the second hydraulic cylinder arranged in the upper die holder, the stamping head is arranged at the lower end of the second hydraulic cylinder, pins of the IGBT device to be processed are arranged on the cushion block of the tooling limiting groove, and the stamping head is driven to move downwards by the second hydraulic cylinder to stamp and bend the pins, so that the preforming efficiency is higher, and the operation is convenient and quick.
3. According to the utility model, the limiting sliding blocks are arranged on two sides of the pressing block, the limiting sliding grooves are formed in the inner sides of the grooves, and the limiting sliding blocks and the limiting sliding grooves are arranged in a sliding manner, so that the two sides of the pressing block can be subjected to sliding limiting treatment, and the stability of the pressing block for pressing materials is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a principal cross-sectional view of the overall structure of the present utility model;
Fig. 3 is a schematic view of the briquette structure of the present utility model.
In the figure: 1. a bottom plate; 2. a lower die holder; 3. a tooling limit groove; 4. an upper die holder; 5. a first hydraulic cylinder; 6. a cushion block; 7. a groove; 8. briquetting; 9. limiting sliding grooves; 10. a spring; 11. an IGBT device to be processed; 12. a second hydraulic cylinder; 13. punching heads; 14. and a limit sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, in the embodiment of the utility model, the pre-forming tooling for the IGBT device comprises a bottom plate 1, a lower die holder 2 is arranged on the upper side of the bottom plate 1, an upper die holder 4 is installed on the upper side of the lower die holder 2 through a first hydraulic cylinder 5, a tooling limit groove 3 is formed in the middle of the upper side of the lower die holder 2, a cushion block 6 is arranged on the upper side of one end of the tooling limit groove 3, the lower part of a pin bending part of the IGBT device 11 to be processed can be supported, the precision of bending pre-forming is improved, an elastic pressing mechanism is arranged in the middle of the lower side of the upper die holder 4, the lower part of the elastic pressing mechanism is elastically inserted and arranged on the upper side of one end of the tooling limit groove 3 close to the cushion block 6 in a sliding manner, so that the elastic pressing positioning treatment is carried out on one end of the IGBT device 11 to be processed, the probability of moving during bending operation is reduced, two protection mechanisms are formed, the damage to the device is effectively avoided, a punching mechanism is arranged in the middle of the upper die holder 4, the punching mechanism comprises a second hydraulic cylinder 12 arranged in the upper die holder 4, a punching head 13 is arranged at the lower end of the second hydraulic cylinder 12, the lower end of the pin to be bent, the pin to be bent 11 is arranged at the position of the upper die 3, and the pin is convenient to be bent, and the pin pressing efficiency is high, and the pin pressing efficiency is guaranteed by driving the punching device 3 and is fast and the pin 3 to be bent.
Preferably, the tooling limiting groove 3 is arranged into a rectangular groove, and the cushion block 6 is arranged into a rectangular block, so that the lower part of the pin bending part of the IGBT device 11 to be processed is supported conveniently.
Preferably, the first hydraulic cylinder 5 is provided with two in parallel, so that the pressing block 8 of the lower die holder 2 and the elastic pressing mechanism can be conveniently driven to lift and adjust, and a PLC control cabinet is arranged on the outer side of the lower die holder 2, so that the whole operation and control can be conveniently performed.
Preferably, the elastic pressing mechanism comprises a groove 7 formed in one side of the upper die holder 4, and a pressing block 8 is longitudinally and elastically arranged in the groove 7 in a sliding manner through a spring 10, so that the non-bending end of one end of the IGBT device 11 to be processed is elastically pressed and positioned, the moving probability during bending operation is reduced, and the bending precision is conveniently improved.
Preferably, limit sliding blocks 14 are arranged on two sides of the pressing block 8, limit sliding grooves 9 are formed in the inner sides of the grooves 7, and the limit sliding blocks 14 and the limit sliding grooves 9 are arranged in a sliding mode, so that sliding limit treatment can be carried out on two sides of the pressing block 8, and stability of the pressing and holding materials of the pressing block 8 is improved.
The working principle and the using flow of the utility model are as follows: through the elasticity pressure mechanism that upper die base 4 downside middle part was equipped with, and elasticity pressure mechanism lower part elasticity slip is inserted and is established in frock spacing groove 3 one end upside that is close to cushion 6, make to wait to process IGBT device 11 one end non-bending end and carry out elasticity pressure and hold the location processing, reduce the probability of moving when bending the operation, and have certain stress buffering performance, simultaneously through cushion 6 that frock spacing groove 3 one end upside was equipped with, can wait to process IGBT device 11's pin bending department lower part and support the processing, be favorable to improving the preformed precision of bending, form two protection machanism, effectually avoided the device to bend and cut the in-process stress conduction part body and caused the device damage
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. IGBT device preforming frock, including bottom plate (1), its characterized in that: the upper die comprises a bottom plate (1), wherein a lower die holder (2) is arranged on the upper side of the bottom plate (1), an upper die holder (4) is arranged on the upper side of the lower die holder (2) through a first hydraulic cylinder (5), a tooling limiting groove (3) is formed in the middle of the upper side of the lower die holder (2), a cushion block (6) is arranged on the upper side of one end of the tooling limiting groove (3), an elastic pressing mechanism is arranged in the middle of the lower side of the upper die holder (4), and the lower portion of the elastic pressing mechanism is elastically inserted in the upper side of one end of the tooling limiting groove (3) close to the cushion block (6) in a sliding mode, and a stamping mechanism is arranged in the middle of the upper die holder (4).
2. The IGBT device preform tooling of claim 1 wherein: the tooling limiting groove (3) is arranged to be a rectangular groove, and the cushion block (6) is arranged to be a rectangular block.
3. The IGBT device preform tooling of claim 1 wherein: two first hydraulic cylinders (5) are arranged in parallel, and a PLC control cabinet is arranged on the outer side of the lower die holder (2).
4. The IGBT device preform tooling of claim 1 wherein: the elastic pressing mechanism comprises a groove (7) formed in one side of the upper die holder (4), and a pressing block (8) is longitudinally and elastically arranged in the groove (7) in a sliding manner through a spring (10).
5. The IGBT device preform tooling of claim 4 wherein: limiting sliding blocks (14) are arranged on two sides of the pressing block (8), limiting sliding grooves (9) are formed in the inner sides of the grooves (7), and the limiting sliding blocks (14) and the limiting sliding grooves (9) are arranged in a sliding mode.
6. The IGBT device preform tooling of claim 1 wherein: the stamping mechanism comprises a second hydraulic cylinder (12) arranged in the upper die holder (4), and a stamping head (13) is arranged at the lower end of the second hydraulic cylinder (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413276.XU CN220862571U (en) | 2023-09-06 | 2023-09-06 | IGBT device preforming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413276.XU CN220862571U (en) | 2023-09-06 | 2023-09-06 | IGBT device preforming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220862571U true CN220862571U (en) | 2024-04-30 |
Family
ID=90816971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322413276.XU Active CN220862571U (en) | 2023-09-06 | 2023-09-06 | IGBT device preforming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220862571U (en) |
-
2023
- 2023-09-06 CN CN202322413276.XU patent/CN220862571U/en active Active
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| GR01 | Patent grant |