CN216539351U - Jig for encapsulating bridge rectifier - Google Patents

Abstract

The utility model provides a jig for encapsulating a bridge rectifier, which comprises: the rubber shell bottom plate is provided with a plurality of rubber shell holes distributed in an array manner; pillow strip structure, detachable the installation be in the both ends of rubber casing bottom plate, rubber casing bottom plate sets up the face both ends in rubber casing hole are equipped with the draw-in groove, go into behind the draw-in groove through fastener fastening connection pillow strip structure card, the locating pin is connected to the intermediate position of pillow strip structure, fixes a position in inserting the corresponding location structure of graphite disc when gluing. According to the technical scheme, the service life, the smoothness and the wear-resistant performance of the jig for filling and sealing the bridge rectifier are improved, the excess glue adhered to the bottom plate of the rubber shell is easy to clean, the independent pillow strip structure is arranged, the jig is detachable and reusable, and the manufacturing cost is greatly reduced.

Description

Jig for encapsulating bridge rectifier

Technical Field

The utility model relates to the technical field of semiconductor device manufacturing, in particular to a fixture for filling and sealing a bridge rectifier.

Background

In the related art, the process of encapsulating the bridge rectifier is generally manually dispensing AB glue → dispensing → stepwise high temperature curing, the dispensing process has high requirements on the operation level of operators, liquid glue is liable to drop on the glue shell tray during dispensing, the resin and the glue shell tray are liable to be stuck together during high temperature curing, and the glue shell tray is liable to be damaged to cause abnormal use when a tool is used to remove the glue shell tray after the curing is finished.

Because the rubber shell dish uses the aluminum plate material to cause wearing and tearing very easily, lead to the rubber shell to be difficult for falling into the dish downthehole after wearing and tearing, and cause aluminum plate to warp easily at cascaded high temperature curing stage, the unable normal use of rubber shell dish after the deformation, and can cause the product yield low, cause the loss. The shell disc 102 is integrally formed by using an aluminum plate, as shown in fig. 1 and fig. 2, and needs to be frequently replaced after being damaged or worn and deformed, so that the cost is high, and the shell disc is easy to twist in a dispensing process, which seriously affects the product quality.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, one object of the present invention is to provide a jig for filling and sealing a bridge rectifier, which has a detachable pillow bar structure, is recycled, reduces the manufacturing cost, is connected with a positioning pin, improves the positioning effect, and improves the smoothness and hardness of a rubber case bottom plate by using a high strength aluminum plate treated by hard oxygen as the rubber case bottom plate, thereby facilitating the cleaning of excess rubber and being not easy to deform.

In order to achieve the above object, the present invention provides a jig for potting a bridge rectifier, including: the rubber shell bottom plate is provided with a plurality of rubber shell holes distributed in an array manner; pillow strip structure, detachable the installation be in the both ends of rubber casing bottom plate, rubber casing bottom plate sets up the face both ends in rubber casing hole are equipped with the draw-in groove, go into behind the draw-in groove through fastener fastening connection pillow strip structure card, the locating pin is connected to the intermediate position of pillow strip structure, fixes a position in inserting the corresponding location structure of graphite disc when gluing.

Preferably, two ends of the rubber casing bottom plate are respectively provided with one pillow strip structure, and the length of each pillow strip structure is the same as the width of the rubber casing bottom plate.

Preferably, two ends of the rubber shell bottom plate are respectively provided with three through holes, and the fastening piece penetrates through the through holes to be connected with the pillow strip structure.

Preferably, the rubber shell bottom plate is a high-strength aluminum plate subjected to hard oxygen treatment, and the hardness of the rubber shell bottom plate is not less than HV 500.

Preferably, the width of the pillow strip structure is 10mm, and the height difference between the pillow strip structure and the rubber shell bottom plate is 10 mm.

The jig for encapsulating the bridge rectifier provided by the utility model has the following beneficial technical effects:

(1) the jig for encapsulating the bridge rectifier, provided by the utility model, has the advantages of longer service life, higher smoothness, easiness in cleaning of redundant glue adhered to a bottom plate of a glue shell and good wear resistance.

(2) The jig for filling and sealing the bridge rectifier is provided with the independent pillow strip structure, can be detached and reused, and greatly reduces the manufacturing cost.

(3) The jig for filling and sealing the bridge rectifier is provided with the independent pillow strip structure, and the positioning pins are arranged on the pillow strip structure, so that the positioning effect is effectively improved, the position gathering phenomenon which completely depends on material positioning can be improved, the phenomenon of poor plug-in components caused by deformation of the jig is effectively reduced, the product percent of pass is greatly improved, and the operation efficiency is greatly improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram showing a prior art glue shell tray;

FIG. 2 is a schematic diagram showing a side view of a prior art glue housing tray;

fig. 3 is a schematic structural diagram of a fixture for potting a bridge rectifier according to an embodiment of the utility model;

fig. 4 is a schematic front view of the fixture for potting the bridge rectifier in fig. 3;

FIG. 5 is a schematic diagram showing a side view of the fixture for encapsulating the bridge rectifier in FIG. 3,

wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to 5 is:

102 rubber shell disc, 104 rubber shell bottom plate, 106 rubber shell hole, 108 pillow strip structure, 110 clamping groove, 112 fastening piece, 114 positioning pin and 116 through hole.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A fixture for potting a bridge rectifier according to an embodiment of the utility model is specifically described below with reference to fig. 3 to 5.

As shown in fig. 3 to 5, a fixture for potting a bridge rectifier according to an embodiment of the present invention includes: rubber shell bottom plate 104, pillow strip structure 108, locating pin 114 etc, be equipped with a plurality of rubber shell holes 106 of array distribution on the rubber shell bottom plate 104, pillow strip structure 108 is detachable to be installed at the both ends of rubber shell bottom plate 104, the face both ends that rubber shell bottom plate 104 set up rubber shell hole 106 are equipped with draw-in groove 110, can fix a position pillow strip structure 108, behind draw-in groove 110 card income pillow strip structure 108 through fastener 112 fastening connection, pillow strip structure 108 can be dismantled, and is repeatedly usable, and the cost is saved. The locating pin 114 is connected to the intermediate position of pillow strip structure 108, inserts the corresponding location structure of graphite dish and fixes a position when the point is glued in, relies on the material location completely among the prior art for the location, and the location effect is better, is difficult for receiving the influence that the rubber housing bottom plate 104 warp, has improved the location accuracy to the product percent of pass has been improved.

Further, as shown in fig. 3, two ends of the rubber-shell bottom plate 104 are respectively provided with a pillow structure 108, and the length of the pillow structure 108 is the same as the width of the rubber-shell bottom plate 104, so that the rubber-shell bottom plate can better support when contacting with a graphite plate.

Further, as shown in fig. 3, three through holes 116 are respectively formed at two ends of the rubber case bottom plate 104, and the fastening member 112 penetrates through the through holes 116 to be connected with the pillow bar structure 108. The fasteners 112 may be set screws that are threaded through the rubber bottom plate 104 and onto the pillow bar structure 108.

Further, the rubber case bottom plate 104 is a high-strength aluminum plate treated by hard oxygen, and the hardness of the rubber case bottom plate 104 is not less than HV 500.

Adopt high accuracy digit control machine tool to carry out the trompil to high strength aluminum plate, and polish, later carry out hard oxygen treatment, obtain high oxide film and improve high strength aluminum plate's wearability and hardness, the hardness of gluing shell bottom plate 104 is not less than HV500, it is smooth to glue shell bottom plate 104 after hard oxygen treatment in addition, fall into in gluing shell hole 106 more easily during the point is glued, the life of gluing shell bottom plate 104 has been improved, and the problem that is difficult to the clearance after the tool viscose has effectively been improved.

The pillow strip structure 108 can be made of high temperature resistant materials such as graphite, can be reused and is not easy to deform.

Further, as shown in fig. 4 and 5, the width w of the pillow strip structure 108 is 10mm, and the height difference h between the pillow strip structure 108 and the rubber case bottom plate 104 is 10mm, which not only can better support the rubber case bottom plate 104, but also can save the manufacturing cost, and is convenient for disassembling and replacing the rubber case bottom plate 104.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a tool is used in embedment of bridge rectifier which characterized in that includes:

the rubber shell bottom plate is provided with a plurality of rubber shell holes distributed in an array manner;

pillow strip structure, detachable the installation be in the both ends of rubber casing bottom plate, rubber casing bottom plate sets up the face both ends in rubber casing hole are equipped with the draw-in groove, go into behind the draw-in groove through fastener fastening connection pillow strip structure card, the locating pin is connected to the intermediate position of pillow strip structure, fixes a position in inserting the corresponding location structure of graphite disc when gluing.

2. The jig for filling and sealing a bridge rectifier according to claim 1,

the two ends of the rubber shell bottom plate are respectively provided with the pillow strip structure, and the length of the pillow strip structure is the same as the width of the rubber shell bottom plate.

3. The jig for filling and sealing a bridge rectifier according to claim 2, wherein,

three through holes are respectively formed in two ends of the rubber shell bottom plate, and the fastening piece penetrates through the through holes to be connected with the pillow strip structure.

4. The jig for filling and sealing a bridge rectifier according to claim 3,

the rubber shell bottom plate is a high-strength aluminum plate subjected to hard oxygen treatment, and the hardness of the rubber shell bottom plate is not less than HV 500.

5. The jig for filling and sealing a bridge rectifier according to claim 4, wherein,

the width of the pillow strip structure is 10mm, and the height difference between the pillow strip structure and the rubber shell bottom plate is 10 mm.

Images