CN213163543U

CN213163543U - Wave-soldering furnace-passing jig

Info

Publication number: CN213163543U
Application number: CN202021462920.2U
Authority: CN
Inventors: 杨文初; 陈武; 蒋叶华; 李�真
Original assignee: Amphenol Assembletech Xiamen Co Ltd
Current assignee: Amphenol Assembletech Xiamen Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-11
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a stove tool is crossed to wave-soldering belongs to wave-soldering smelting tool field, a stove tool is crossed to wave-soldering, including the base plate, offer the mounting groove that is used for placing circuit board on the base plate, at least a set of smelting tool lid, every group smelting tool lid all compresses tightly the piece including at least one first lid and at least one second lid that are used for compressing tightly the connector, one end rotatable coupling is on the base plate, and the other end compresses tightly on the smelting tool lid. The utility model discloses a stove tool is crossed to wave-soldering adopts the design of disconnect-type lid, advances line location alone to all kinds of connectors of PCB respectively through the smelting tool lid, and the location is strong, effectively reduces the product defective rate.

Description

Wave-soldering furnace-passing jig

Technical Field

The utility model belongs to wave-soldering smelting tool field especially relates to a stove tool is crossed to wave-soldering.

Background

At present the wave-soldering tool of generally used is the piece formula, and piece formula wave-soldering tool lid ubiquitous precision is lower, and the location nature is poor, can't carry out higher precision location to wave-soldering in the use. Especially, the traditional furnace passing jig of the whole cover plate used in the double-USB wave soldering easily causes size deviation, not only causes the front and back deviation of the USB, but also causes the left and right deviation of the USB, and the product reject ratio is high.

Disclosure of Invention

An object of the utility model is to provide a wave-soldering crosses stove tool adopts the design of disconnect-type lid, advances line location alone respectively to all kinds of connectors of PCB through the smelting tool lid, and the location is strong, effectively reduces the product defective rate.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of stove tool is crossed to wave-soldering, including the base plate, offer the mounting groove that is used for placing the circuit board on the base plate, at least a set of smelting tool lid, every group smelting tool lid all compresses tightly the piece including at least one first lid and at least one second lid that are used for compressing tightly the connector, one end rotatable coupling on the base plate, the other end compresses tightly on smelting tool lid.

Preferably, the bottom of the first cover is provided with a plurality of limiting grooves.

Preferably, the periphery of the limiting groove is chamfered.

Preferably, the angle of the chamfer is 15-45 °.

Preferably, the spacing groove divide into two sets ofly and set up side by side, and every spacing groove of group all sets up along the length direction equidistance interval of first lid.

Preferably, the one end of compressing tightly the piece is seted up first through-hole, and the screw hole is seted up at the top of base plate, and the screw passes first through-hole and with screw hole threaded connection, the aperture of first through-hole is greater than the maximum external diameter of the screw rod portion of screw, and is less than the maximum external diameter of the head of screw.

Preferably, the pressing piece is of a spring piece structure.

Preferably, the pressing member includes a mounting portion and a pressing portion which is bent upward and inclined downward from the mounting portion, and the first through hole is opened in the mounting portion.

Preferably, the pressing piece further comprises an operating part bent upwards from the tail end of the pressing part and extending towards the mounting part, and a gap is formed between the operating part and the pressing part.

Preferably, the operating portion is provided with a second through hole.

The utility model has the advantages that:

1. adopt the design of disconnect-type lid, fix a position alone the all kinds of connectors of PCB respectively through the smelting tool lid, the location is strong, effectively reduces the product defective rate.

2. Carry out the surrounding type location to USB through the setting of spacing groove, effectively improve the skew problem.

3. The combination compresses tightly the piece and can compress tightly the location convenient and fast, and is easy and simple to handle.

4. The chamfer setting all around of spacing groove is favorable to guide positioning.

5. The hand operation is convenient for through the setting of operating portion, and the accessible finger passes the clearance and combines operating portion to carry to compressing tightly the portion and carry, and is laborsaving convenient more.

Drawings

Fig. 1 is a schematic front view of a cover plate of a conventional wave soldering furnace jig.

Fig. 2 is a schematic bottom view of a cover plate of a conventional wave soldering furnace jig.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic bottom view of the first cap of the present invention.

Fig. 5 is a schematic sectional structure view of the first cap of the present invention.

Fig. 6 is an enlarged schematic view of a in fig. 5.

Fig. 7 is a schematic sectional structure view of the compressing member of the present invention.

The labels in the figures are: 1-substrate, 2-mounting groove, 3-jig cover, 31-first cover, 32-second cover, 4-pressing piece, 41-first through hole, 42-mounting part, 43-pressing part, 44-operating part, 45-gap, 46-second through hole, 5-limiting groove and 6-screw.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The cover of the conventional furnace-passing jig is an integral body, as shown in fig. 1 and 2.

As shown in fig. 3 to 7, the wave-soldering furnace jig provided in this embodiment includes a substrate 1, a mounting groove 2 for placing a circuit board is provided on the substrate 1, the connector can be USB, DP, HDMI, VGI, VGA, etc., the connector of this embodiment includes USB and VGA, two sets of jig caps 3, each set of jig cap 3 includes a first cap 31 for compressing USB and a second cap 32 for compressing VGA, in this embodiment, the first cap 31 is located on the right side of the second cap 32, a compressing member 4, the outer end is rotatably connected to the substrate 1, and the inner end is compressed on the jig cap 3. Divide into first lid 31 and second lid 32 through the whole lid with traditional, compress tightly USB and VGA respectively, the location is strong, combines to compress tightly 4 can convenient and fast compress tightly the location, easy and simple to handle. Effectively improving the problem of offset after passing through the furnace. The embodiment has the advantages that the improvement effect is realized on products with more strict control on the dimensional tolerance standard after double USB PCBAs are passed through the furnace, and the defect rate of passing through the furnace in the original mode is 20-30%; the defective rate of the jig produced by the embodiment is about 5 per mill, thereby greatly reducing the defective rate of the product.

Further, 16 limiting grooves 5 are formed in the bottom of the first cover 31, the number, specifications and the like of the limiting grooves 5 are determined according to different production requirements, and the jig is manufactured according to the size of the USB and then is processed according to the size requirement after assembly tolerance is reserved. The USB is positioned in an enclosing mode through the arrangement of the limiting groove 5, and the offset problem is effectively improved.

Furthermore, the periphery of the limiting groove 5 is chamfered, and the chamfer range is shown as a shaded part in figure 3. In this embodiment, the angle of the chamfer is 30 °. The chamfer arrangement is advantageous for guiding positioning.

Further, the spacing groove 5 divide into two sets ofly and control and set up side by side, and every spacing groove 5 of group all sets up along the length direction equidistance interval of first lid 31, is applicable to two USB wave-soldering.

Further, the outer end of the pressing member 4 is provided with a first through hole 41, the top of the substrate 1 is provided with a threaded hole (not shown), the screw 6 passes through the first through hole 41 and is in threaded connection with the threaded hole, the aperture of the first through hole 41 is larger than the maximum outer diameter of the screw part of the screw 6 and smaller than the maximum outer diameter of the head of the screw 6, the pressing member 4 is rotatably connected to the substrate 1, after the first cover 31 and the second cover 32 are covered, the corresponding pressing members 4 are rotated to the respective tops, and the first cover 31 and the second cover 32 are pressed by the pressing members 4.

Furthermore, the pressing piece 4 is of a spring piece structure. Specifically, the pressing member 4 includes a mounting portion 42 and a pressing portion 43 that is bent upward and inclined downward from the mounting portion 42, and the first through hole 41 is opened in the mounting portion 42. In the pressing process, the pressing part 43 is deformed by pulling the pressing part 43 upwards, then the pressing part 43 is rotated above the first cover 31 or the second cover 32, then the pressing part 43 is released, and the first cover 31 or the second cover 32 is pressed by the deformation force of the pressing part 43, so that the whole process is simple, convenient and quick to operate, and other tools such as a screwdriver and the like are not needed.

Further, the pressing part 4 further comprises an operating part 44 which is bent upwards from the tail end of the pressing part 43 and extends towards the mounting part 42, a gap 45 is formed between the operating part 44 and the pressing part 43, a second through hole 46 is formed in the operating part 44, manual operation is facilitated through the arrangement of the operating part 44, fingers can penetrate through the gap 45 and are combined with the operating part 44 to lift the pressing part 43, and therefore the pressing part is more labor-saving and convenient.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a wave-soldering crosses stove tool which characterized in that:

the circuit board comprises a substrate, wherein a mounting groove for placing a circuit board is formed in the substrate;

at least one set of tool caps, each set of tool caps comprising at least one first cap and at least one second cap for compression of a connector;

and the pressing piece is rotatably connected to the base plate at one end, and the other end of the pressing piece is pressed on the jig cover.

2. The wave soldering furnace jig according to claim 1, characterized in that:

the bottom of the first cover is provided with a plurality of limiting grooves.

3. The wave soldering furnace jig according to claim 2, wherein:

the periphery of the limiting groove is chamfered.

4. The wave soldering furnace jig according to claim 3, wherein:

the angle of the chamfer is 15-45 degrees.

5. The wave soldering furnace jig according to claim 2, wherein:

the limiting grooves are divided into two groups and are arranged side by side;

every group the spacing groove all follows the length direction equidistance interval of first lid sets up.

6. The wave soldering furnace jig according to claim 1, characterized in that:

one end of the pressing piece is provided with a first through hole;

the top of the base plate is provided with a threaded hole;

the screw penetrates through the first through hole and is in threaded connection with the threaded hole;

the aperture of the first through hole is larger than the maximum outer diameter of the screw rod part of the screw and smaller than the maximum outer diameter of the head part of the screw.

7. The wave soldering furnace jig according to claim 6, wherein:

the pressing piece is of a spring piece structure.

8. The wave soldering furnace jig of claim 7, wherein:

the pressing piece comprises a mounting part and a pressing part which is bent upwards and then inclines downwards from the mounting part;

the first through hole is formed in the mounting portion.

9. The wave soldering furnace jig of claim 8, wherein:

the pressing piece further comprises an operating part which is bent upwards from the tail end of the pressing part and extends towards the direction of the mounting part;

a gap is formed between the operating part and the pressing part.

10. The wave soldering furnace jig of claim 9, wherein:

the operating part is provided with a second through hole.