CN204771342U - DBC board and terminal welded welding jig - Google Patents
DBC board and terminal welded welding jig Download PDFInfo
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- CN204771342U CN204771342U CN201520542045.1U CN201520542045U CN204771342U CN 204771342 U CN204771342 U CN 204771342U CN 201520542045 U CN201520542045 U CN 201520542045U CN 204771342 U CN204771342 U CN 204771342U
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Abstract
The utility model relates to a DBC board and terminal welded welding jig, including the apron of base with the ability dismouting, the base be hollow set of column structure, base upper portion is equipped with and is used for carrying out spacing annular tang to DBC, the top of base is along being equipped with the lug all around, and the medial surface of lug is equipped with and is used for carrying out spacing face to the DBC board, in spacing face extends to the tang, and the base top is equipped with two at least locating holes or locating pin, the base is equipped with annular bulge in the lower part of tang, is equipped with in the arch to be used for carrying out a plurality of terminal holes of fixing a position to each pin needle, be equipped with the bearing surface that is used for supporting DBC on the apron, the locating pin cartridge on the apron is in the locating hole of base, and the bottom surface of apron meets with the base top surface, and in the recess of the lug setting at base top on the apron. The utility model has the characteristics of simple structure, convenient operation improves welding quality and work piece efficiency.
Description
Technical field
The utility model relates to the welding fixture of a kind of DBC plate and terminal soldering, belongs to power semiconductor modular manufacturing technology field.
Background technology
Power semiconductor modular is a kind of standard external dimensions and non-standard profiles size module product.Along with the development of present IGBT module miniaturization, electrode leads to client is more adopt Pin pin, the interface of the convenient Customer design control circuit board upper module of scheme energy adopting Pin pin to draw, also the customization of module is easier to, but the Pin needle body of power semiconductor modular amasss little simultaneously, welding, install and in use procedure required for the stress that bears comparatively large, the shape making Pin pin bottom design comparatively complexity to discharge stress.Therefore existing Pin pin top is simple, bottom is complicated, and this just increases the degree of difficulty of Pin pin in welding process, not only affects operating efficiency, nor easily ensures welding quality.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, easy to operate, improves welding quality and the DBC plate of workpiece efficiency and the welding fixture of terminal soldering.
The utility model is the technical scheme achieved the above object: the welding fixture of a kind of DBC plate and terminal soldering, it is characterized in that: the cover plate comprising base and energy dismounting, described base is the sleeve-like structure of hollow, base top is provided with the seam for carrying out spacing ring-type to DBC, the top of base is provided with projection along surrounding, and the medial surface of projection is provided with for carrying out spacing confined planes to DBC plate, confined planes extends in seam, base top is provided with at least two locating holes or alignment pin, described base is provided with annular projection in the bottom of seam, projection is provided with the multiple terminal holes for positioning each Pin pin, described cover plate bottom is provided with alignment pin or locating hole, cover plate is provided with the bearing-surface for supporting DBC, alignment pin on cover plate is inserted in the locating hole of base, or in alignment pin plug-in mounting on base locating hole on the cover board, the bottom surface of cover plate connects with base top surface, and the projection of base top is arranged in groove on the cover board.
The utility model adopts the cover plate of base and energy dismounting, base is provided with for carrying out spacing ring-type seam and the terminal hole for positioning each Pin pin to DBC, therefore can by each Pin for being inserted in respective terminal hole, again DBC plate is placed under multiple projection effects on base top the ring-type seam of base fast, because the alignment pin on cover plate or locating hole are connected with the locating hole on base or alignment pin, can cover plate be quick installed on base, by cover plate, DBC plate and each Pin pin are in place, precalculated position by Pin pin and DBC plate is carried out spacing.During welding, only base and cover plate need be flipped upside down simultaneously, by each Pin pin and DBC plate reliable contacts, and base is provided with cavity, welding operation is facilitated to be welded with DBC plate, after welding by each Pin pin, after only base and cover plate need being overturn again, cover plate is taken away, the DBC plate after welding is gone out, completes the operation of this welding sequence.Welding fixture of the present utility model is simple and reasonable for structure, and operation is very easy, to each Pin pin and the position quick position before the welding of DBC plate, can improve the qualification rate of production efficiency and product.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is the structural representation of the welding fixture of the utility model DBC plate and terminal soldering.
Fig. 2 is the structural representation of the utility model cover plate.
Fig. 3 is the structural representation after the utility model welding fixture flips upside down.
Wherein: 1-cover plate, 1-1-groove, 1-2-bearing-surface, 1-3-alignment pin, 1-4-bottom surface, 2-DBC plate, 3-Pin pin, 4-base, 4-1-seam, 4-2-projection, 4-3-breach, 4-4-locating hole, 4-5-end face, 4-6-terminal hole.
Detailed description of the invention
See shown in Fig. 1 ~ 3, the welding fixture of DBC plate of the present utility model and terminal soldering, comprise the cover plate 1 of base 4 and energy dismounting.See shown in Fig. 1,3, the utility model base 4 is the sleeve-like structure of hollow, base 4 top is provided with for carrying out spacing ring-type seam 4-1 to DBC, the top of base 4 is provided with projection 4-2 along surrounding, and the medial surface of projection 4-2 is provided with for carrying out spacing confined planes to DBC plate 2, confined planes extends in seam 4-1, carries out spacing, can be quick and precisely placed on base 4 by DBC plate 2 by the projection 4-2 of surrounding to DBC plate 2.
See shown in Fig. 1,2, the utility model is provided with at least two locating hole 4-4 or alignment pin at base 4 top, when cover plate 1 is arranged on base 4, is coordinated and carries out spacing to cover plate 1, be quick installed on base 4 by cover plate 1 by pin-and-hole.
As shown in Figure 1; the utility model base 4 is provided with annular projection in the bottom of seam 4-1; projection is provided with the multiple terminal hole 4-6 for positioning each Pin pin; this terminal hole 4-6 can be arranged along the surrounding of projection; when each Pin pin 3 inserts in corresponding terminal hole 4-6; make the major part of each Pin pin 3 be placed on top, carry out spacing by terminal hole 4-6 is convenient to the position of Pin pin 3, and Pin pin 3 is protected.
See shown in Fig. 1,2, cover plate 1 bottom of the present utility model is provided with alignment pin 1-3 or locating hole, cover plate 1 is provided with the bearing-surface 1-2 for supporting DBC plate 2, alignment pin 1-3 on cover plate 1 is inserted in the locating hole 4-4 of base 4, or the alignment pin on base 4 is inserted in the locating hole on cover plate 1, the utility model alignment pin 1-3 can be arranged on the diagonal angle place of cover plate 1, or be arranged on the both sides of cover plate 2, the bottom surface 1-4 of cover plate 1 connects with base 4 end face 4-5, and the projection 4-2 at base 4 top is arranged in the groove 1-1 on cover plate 1, and can not interfere cover plate 1.
As shown in Figure 1, the top of the utility model projection 4-2 confined planes also has spigot surface, and spigot surface and confined planes are convex globoidal, by multiple convex globoidal, reduces the contact surface with DBC plate 2, and can improve assembly precision.
The utility model is provided with breach 4-3 on the both sides that base 4 top is relative as shown in Figure 1, conveniently can be arranged on base 4 by cover plate 1, and be pulled down from base 4 by cover plate 1 by this breach 4-3, easy to operate.
See shown in Fig. 1 ~ 3, during utility model works, first each Pin pin 3 is inserted in corresponding terminal hole 4-6, the major part of each Pin pin 3 is placed on top, after each Pin pin 3 plug-in mounting, DBC plate 2 is placed on the seam 4-1 of base 4 along each projection 4-2, the alignment pin 1-3 of cover plate 1 bottom is inserted into the locating hole 4-4 of base 4, or the locating hole on cover plate 1 is sleeved on the alignment pin on base 4, the bottom surface 1-4 of cover plate 1 connects with base 4 end face 4-5, as shown in Figure 3, cover plate 1 and base 4 are flipped upside down simultaneously, on the bearing-surface 1-2 that DBC plate 2 is fitted on cover plate 1, and the major part of each Pin pin 3 connects with DBC plate 2, from the cavity of base 4, Pin pin 3 is welded on DBC plate 2, after welding, again cover plate 1 and base 4 are overturn simultaneously and just put, open cover plate 1, take out the DBC plate 2 being welded with Pin pin 3, again next group Pin pin 3 and DBC plate 2 are placed in tool and weld, circulate with this.
Claims (3)
1. the welding fixture of a DBC plate and terminal soldering, it is characterized in that: the cover plate (1) comprising base (4) and energy dismounting, the sleeve-like structure that described base (4) is hollow, base (4) top is provided with the seam (4-1) for carrying out spacing ring-type to DBC, the top of base (4) is provided with projection (4-2) along surrounding, and the medial surface of projection (4-2) is provided with for carrying out spacing confined planes to DBC plate, confined planes extends in seam (4-1), base (4) top is provided with at least two locating holes (4-4) or alignment pin, described base (4) is provided with annular projection in the bottom of seam (4-1), projection is provided with the multiple terminal holes (4-6) for positioning each Pin pin, described cover plate (1) bottom is provided with alignment pin (1-3) or locating hole, cover plate (1) is provided with the bearing-surface (1-2) for supporting DBC, alignment pin (1-3) on cover plate (1) is inserted in the locating hole (4-4) of base (4), or the alignment pin on base (4) is inserted in the locating hole on cover plate (1), the bottom surface (1-4) of cover plate (1) connects with base (4) end face (4-5), and the projection (4-2) at base (4) top is arranged in the groove (1-1) on cover plate (1).
2. the welding fixture of DBC plate according to claim 1 and terminal soldering, is characterized in that: the top of described projection (4-2) confined planes also has spigot surface, and spigot surface and confined planes are convex globoidal.
3. the welding fixture of DBC plate according to claim 1 and terminal soldering, is characterized in that: relative both sides, described base (4) top are provided with breach (4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542045.1U CN204771342U (en) | 2015-07-23 | 2015-07-23 | DBC board and terminal welded welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542045.1U CN204771342U (en) | 2015-07-23 | 2015-07-23 | DBC board and terminal welded welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204771342U true CN204771342U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542045.1U Active CN204771342U (en) | 2015-07-23 | 2015-07-23 | DBC board and terminal welded welding jig |
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| CN (1) | CN204771342U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634841A (en) * | 2021-09-13 | 2021-11-12 | 安徽瑞迪微电子有限公司 | Square needle terminal welding positioning method |
| CN113798658A (en) * | 2021-10-28 | 2021-12-17 | 株洲中车时代半导体有限公司 | Welding head structure for ultrasonic welding of Pin needle, Pin needle structure, welding device and welding method |
| CN114226947A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Terminal ultrasonic welding device and welding method |
| CN115319681A (en) * | 2022-08-04 | 2022-11-11 | 深圳市新石器创新技术有限公司 | Model car dismounting jig and model car dismounting method |
| CN116207034A (en) * | 2023-05-04 | 2023-06-02 | 烟台台芯电子科技有限公司 | Tooling fixture and IGBT module pin inserting method applying tooling fixture |
-
2015
- 2015-07-23 CN CN201520542045.1U patent/CN204771342U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113634841A (en) * | 2021-09-13 | 2021-11-12 | 安徽瑞迪微电子有限公司 | Square needle terminal welding positioning method |
| CN113798658A (en) * | 2021-10-28 | 2021-12-17 | 株洲中车时代半导体有限公司 | Welding head structure for ultrasonic welding of Pin needle, Pin needle structure, welding device and welding method |
| CN114226947A (en) * | 2021-12-30 | 2022-03-25 | 上海骄成超声波技术股份有限公司 | Terminal ultrasonic welding device and welding method |
| CN114226947B (en) * | 2021-12-30 | 2023-09-22 | 上海骄成超声波技术股份有限公司 | Terminal ultrasonic welding device and welding method |
| CN115319681A (en) * | 2022-08-04 | 2022-11-11 | 深圳市新石器创新技术有限公司 | Model car dismounting jig and model car dismounting method |
| CN116207034A (en) * | 2023-05-04 | 2023-06-02 | 烟台台芯电子科技有限公司 | Tooling fixture and IGBT module pin inserting method applying tooling fixture |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |