CN115090996B - IGBT power module welding tray convenient to disassemble - Google Patents
IGBT power module welding tray convenient to disassemble Download PDFInfo
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- CN115090996B CN115090996B CN202211037923.5A CN202211037923A CN115090996B CN 115090996 B CN115090996 B CN 115090996B CN 202211037923 A CN202211037923 A CN 202211037923A CN 115090996 B CN115090996 B CN 115090996B
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- power module
- welding
- limiting
- igbt power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of IGBT power module processing, in particular to a conveniently-disassembled IGBT power module welding tray, which comprises a welding tray body, wherein the welding tray body comprises a chassis, and a plurality of first limiting blocks and second limiting blocks which play a limiting and fixing role are arranged on the chassis; this convenient welding tray of dismantling through reducing the area of contact between welding mould and the product for the volume of the scaling powder of adhesion greatly reduces between product and the welding mould, makes can not cause large tracts of land adhesion phenomenon after the cooling, thereby reduces the dismantlement degree of difficulty of product, makes product convenient to detach.
Description
Technical Field
The invention relates to the technical field of IGBT power module processing, in particular to a conveniently-detachable IGBT power module welding tray.
Background
Welding, also known as fusion or fusion, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by heating, high temperature or high pressure, and for joining metals or other thermoplastic materials, such as plastics, by welding for the purpose of joining. During the welding process, the workpiece and the solder are melted to form a molten zone, and the molten pool is cooled and solidified to form the connection between the materials.
Two times of welding operation are generally carried out in the packaging process of the IGBT power module, and a tray is required to be used for assistance in the process. In the existing production welding process, in order to facilitate welding of an IGBT power module, a welding mold is required to be used for fixing the position of a product, the existing welding process is shown in figure 1, the product 1 and the existing traditional welding tray 2 are arranged between the product 1 and the existing traditional welding tray 2, the product 1 is inserted into a groove of the traditional welding tray 2 in a splicing and embedding mode, the product 1 is fixed in position, at the moment, large-area laminating contact can exist between the product 1 and the traditional welding tray 2, the fixing mode has the defect that soldering flux can continuously overflow during welding, the soldering flux flows to the side edge and the bottom of the product 1 and the traditional welding tray 2, then cooling is caused, the product 1 and the traditional welding tray 2 are adhered together, the welding tray can cause adhesion between the product and the mold after welding is finished, the disassembling difficulty is increased, the disassembling difficulty of the product in the welding mold is reduced, the disassembly is facilitated, and the IGBT power module welding tray convenient to disassemble is provided.
Disclosure of Invention
In order to make up for the defects, the invention provides the IGBT power module welding tray which is convenient to disassemble.
The technical scheme of the invention is as follows:
the utility model provides a convenient IGBT power module welding tray who dismantles, includes welding tray body, welding tray body includes the chassis, be equipped with a plurality of first stoppers and the second stopper that play spacing fixed action on the chassis, be equipped with the product between first stopper and the second stopper.
The base plate is provided with two dismounting grooves, the base plate is fixedly connected with a plurality of second limiting blocks, the second limiting blocks are arranged in a bilateral symmetry mode, each second limiting block comprises a fixing seat, each moving block is detachably mounted on each fixing seat, and the moving blocks are of triangular prism structures and are fixed to the product through the common extrusion of the tops of the triangular prisms.
Preferably, each first limiting block is detachably mounted on the chassis through screws, and the first limiting blocks are symmetrically arranged front and back.
Preferably, the fixing seat is provided with an adjusting channel, and a screw rod is inserted in the adjusting channel.
Preferably, the adjacent surface of the fixed seat and the movable block is provided with an embedding groove, and the embedding groove is in through connection with the adjusting channel.
Preferably, one end of the screw rod is fixedly connected to the moving block, and the screw rod is in threaded connection with a limit ring.
Preferably, the limit ring is positioned between the fixed seat and the moving block, and the limit ring is inserted into the embedding groove with matched size.
Preferably, the fixed seat is provided with two first connecting holes, and the moving block is provided with two second connecting holes in positions corresponding to the two first connecting holes one to one.
Preferably, the second connecting hole and the first connecting hole at the corresponding position have the same aperture size, and a return spring is fixedly mounted in a channel formed by the second connecting hole and the first connecting hole in a closed manner.
Preferably, the first limiting block and the second limiting block are triangular prism structures with inward top ends.
Preferably, the welding tray body is detachably provided with a product, and the product is fixedly installed in a mode that the side wall of the product is extruded at the top end of the triangular column of the first limiting block and the second limiting block.
Compared with the prior art, the invention has the beneficial effects that:
this IGBT power module welding tray of convenient dismantlement through reducing the area of contact between welding mould and the product for the volume of the scaling powder of adhesion between product and the welding mould significantly reduces, makes can not cause large tracts of land adhesion phenomenon after the cooling, thereby reduces the dismantlement degree of difficulty of product, makes product convenient to detach.
Drawings
FIG. 1 is a schematic view of a conventional weld;
FIG. 2 is a schematic view of the welding of the present invention;
FIG. 3 is a schematic view of a weld pallet body according to the present invention;
FIG. 4 is an exploded view of the second stopper of the present invention
FIG. 5 is an exploded view of the second stopper of the present invention.
The meaning of the individual reference symbols in the figures is:
1. a product;
2. traditional welding trays;
3. welding the tray body; 31. a chassis; 32. a first stopper; 33. a second limiting block; 331. a fixed seat; 3311. embedding grooves; 3312. a first connection hole; 3313. a regulating channel; 332. a moving block; 3321. a second connection hole; 333. a screw; 334. a limiting ring; 335. a return spring; 34. and (6) disassembling the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-5, the present invention details the above technical solution by the following embodiments:
the utility model provides a convenient IGBT power module welding tray of dismantling, includes welding tray body 3, and welding tray body 3 includes chassis 31, is equipped with a plurality of first stopper 32 and the second stopper 33 that play spacing fixed action on chassis 31, is equipped with product 1 between first stopper 32 and the second stopper 33.
Be equipped with two dismantlement grooves 34 on the chassis 31, a plurality of second stopper 33 of fixedly connected with just on the chassis 31 second stopper 33 is bilateral symmetry setting, and every second stopper 33 all includes fixing base 331, and equal detachably installs movable block 332 on every fixing base 331, a plurality of movable blocks 332 are the triangular prism structure and extrude fixed product 1 jointly through a plurality of triangular prism tops.
Every first stopper 32 passes through screw detachably and installs in chassis 31, and a plurality of first stoppers 32 are symmetry setting from beginning to end for product 1 atress when fixed evenly can obtain good fixed effect.
The fixing base 331 is provided with an adjusting channel 3313, a screw rod 333 is inserted into the adjusting channel 3313, the screw rod 333 can move in the adjusting channel 3313, and then the position of the moving block 332 is adjusted.
The adjacent surface of the fixed seat 331 and the moving block 332 is provided with an embedding groove 3311, the embedding groove 3311 and the adjusting channel 3313 are in through connection, one end of the screw rod 333 is fixedly connected to the moving block 332, the screw rod 333 is in threaded connection with a limit ring 334, the limit ring 334 is positioned between the fixed seat 331 and the moving block 332, the limit ring 334 is inserted in the embedding groove 3311 with the size matched with the size, the limit ring 334 with the adjusted position is embedded in the embedding groove 3311, the appearance is attractive, the limiting and supporting effects are achieved, and the direction acting force generated after the product 1 is clamped can be evenly stressed on the fixed seat 331.
Be equipped with two first connecting holes 3312 on the fixing base 331, be equipped with two second connecting holes 3321 on the position of movable block 332 and two first connecting holes 3312 one-to-one, the inside fixed mounting of passageway that aperture size is unanimous and the two closed formation between the first connecting hole 3312 on second connecting hole 3321 and the corresponding position has reset spring 335, reset spring 335 can remain the pulling force that resets all the time, make the overall process of loading and unloading product can not cause the drop of movable block 332, and make the better effect that plays stable spacing support of spacing ring 334 under the pulling force effect that resets.
The IGBT power module welding tray of convenient dismantlement of this embodiment, regulation centre gripping scope that can be better, better be applicable to unnecessary specification, place product 1 in welding tray body 3, and first stopper 32 and second stopper 33 are the triangle column structure that the top inwards can reduce the area of contact with product 1 lateral wall, a plurality of second stoppers 33 that can adjust simultaneously can be through adjusting threaded connection's spacing ring 334, make spacing ring 334 be located the required position of screw rod 333, then under reset spring 335's effect, spacing ring 334 can peg graft inside scarf joint groove 3311, the movable block 332 that has adjusted the distance this moment can cooperate first stopper 32 centre gripping product 1, make product 1 fixed position be convenient for weld, can select unsettled centre gripping or contact centre gripping with chassis 31 according to the 1 condition of product in the clamping process, need not contact back centre gripping with chassis 31 when the product hardness inadequately, avoid the centre gripping state too big product deformation that causes, this welding tray is better has reduced the area of contact between lateral wall and the product 1, the condition of partial adhesion can rely on dismantling groove 34 to exert and realize dismantling, this welding tray can further reduce the required extrusion force and can be convenient to dismantle, and further satisfy the effective use range of dismantlement, and further improve the convenient for daily use of production.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a convenient IGBT power module welding tray of dismantling, includes welding tray body (3), welding tray body (3) are including chassis (31), its characterized in that: a plurality of first limiting blocks (32) and second limiting blocks (33) which play a limiting and fixing role are arranged on the chassis (31), and a product (1) is arranged between the first limiting blocks (32) and the second limiting blocks (33);
the base plate (31) is provided with two dismounting grooves (34), the base plate (31) is fixedly connected with a plurality of second limiting blocks (33), the second limiting blocks (33) are arranged in a bilateral symmetry mode, each second limiting block (33) comprises a fixed seat (331), each fixed seat (331) is detachably provided with a moving block (332), the moving blocks (332) are in triangular prism structures, and products (1) are extruded and fixed together through the top ends of the triangular prisms; the adjustable clamping device is characterized in that an adjusting channel (3313) is arranged on the fixing base (331), a screw rod (333) is inserted and installed in the adjusting channel (3313), an embedding groove (3311) is formed in the adjacent surface of the fixing base (331) and the moving block (332), the embedding groove (3311) and the adjusting channel (3313) are in penetrating connection, one end of the screw rod (333) is fixedly connected to the moving block (332), a limit ring (334) is connected to the screw rod (333) in a threaded manner, the limit ring (334) is located between the fixing base (331) and the moving block (332), the limit ring (334) is inserted into the embedding groove (3311) which is in fit with the size, two first connecting holes (3312) are formed in the fixing base (331), two second connecting holes (3321) are arranged in positions of the moving block (332) and the two first connecting holes (3312) in one-to-one correspondence, the second connecting holes (3321) are consistent in size with the first connecting holes (3312) in the corresponding positions, and a reset spring (335) is fixedly installed inside the channel which is formed in a closed manner.
2. The IGBT power module soldering tray that facilitates disassembly of claim 1, wherein: each first limiting block (32) is detachably mounted on the chassis (31) through screws, and the first limiting blocks (32) are symmetrically arranged front and back.
3. The IGBT power module soldering tray that facilitates disassembly of claim 1, wherein: the first limiting block (32) and the second limiting block (33) are both triangular prism structures with inward top ends.
4. The IGBT power module soldering tray for facilitating disassembly of claim 1, wherein: detachably installs product (1) on welding tray body (3), mode fixed mounting of product (1) lateral wall is extruded on product (1) through first stopper (32) and second stopper (33) triangular prism top.
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CN202211037923.5A CN115090996B (en) | 2022-08-29 | 2022-08-29 | IGBT power module welding tray convenient to disassemble |
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CN202211037923.5A CN115090996B (en) | 2022-08-29 | 2022-08-29 | IGBT power module welding tray convenient to disassemble |
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CN115090996A CN115090996A (en) | 2022-09-23 |
CN115090996B true CN115090996B (en) | 2022-11-08 |
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Citations (8)
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CN202129524U (en) * | 2011-06-27 | 2012-02-01 | 华为终端有限公司 | Fixture for detaching large-size module and jacking device |
CN212724448U (en) * | 2020-08-19 | 2021-03-16 | 刘睿 | Micro-operation exercise device integrated with action evaluation function |
CN213531440U (en) * | 2020-11-17 | 2021-06-25 | 辽河石油勘探局有限公司 | Prevent reposition of redundant personnel welding jig |
CN113210780A (en) * | 2021-06-02 | 2021-08-06 | 深圳市兆兴博拓科技股份有限公司 | Electronic component welding method and welding jig |
CN213945216U (en) * | 2020-12-11 | 2021-08-13 | 赛晶亚太半导体科技(浙江)有限公司 | Welding jig suitable for IGBT module |
CN213998341U (en) * | 2020-10-21 | 2021-08-20 | 南瑞联研半导体有限责任公司 | Welding limiting tool for IGBT module |
CN215091653U (en) * | 2021-04-27 | 2021-12-10 | 广东芯聚能半导体有限公司 | Positioning jig |
CN113787297A (en) * | 2021-09-22 | 2021-12-14 | 河南中孚技术中心有限公司 | Filter screen aluminum frame machining forming equipment and construction method |
-
2022
- 2022-08-29 CN CN202211037923.5A patent/CN115090996B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202129524U (en) * | 2011-06-27 | 2012-02-01 | 华为终端有限公司 | Fixture for detaching large-size module and jacking device |
CN212724448U (en) * | 2020-08-19 | 2021-03-16 | 刘睿 | Micro-operation exercise device integrated with action evaluation function |
CN213998341U (en) * | 2020-10-21 | 2021-08-20 | 南瑞联研半导体有限责任公司 | Welding limiting tool for IGBT module |
CN213531440U (en) * | 2020-11-17 | 2021-06-25 | 辽河石油勘探局有限公司 | Prevent reposition of redundant personnel welding jig |
CN213945216U (en) * | 2020-12-11 | 2021-08-13 | 赛晶亚太半导体科技(浙江)有限公司 | Welding jig suitable for IGBT module |
CN215091653U (en) * | 2021-04-27 | 2021-12-10 | 广东芯聚能半导体有限公司 | Positioning jig |
CN113210780A (en) * | 2021-06-02 | 2021-08-06 | 深圳市兆兴博拓科技股份有限公司 | Electronic component welding method and welding jig |
CN113787297A (en) * | 2021-09-22 | 2021-12-14 | 河南中孚技术中心有限公司 | Filter screen aluminum frame machining forming equipment and construction method |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Convenient Disassembly IGBT Power Module Welding Tray Effective date of registration: 20230629 Granted publication date: 20221108 Pledgee: Rizhao bank Limited by Share Ltd. Yantai branch Pledgor: YANTAI TAIXIN ELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2023980046494 |
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