Circuit board plug-in shaping furnace-passing jig

Abstract

The utility model provides a circuit board plug-in shaping furnace-passing jig which comprises a base and an upper pressing plate, a circuit board containing groove is formed in the middle of the base, a plurality of hollow-out grooves are formed in the circuit board containing groove, and a plurality of limiting buckles capable of being pressed on the edge of a circuit board in a rotating mode are symmetrically arranged on the base and located on the two sides of the circuit board containing groove. Two locking clamping blocks are symmetrically arranged on the base and located on the other two sides of the circuit board containing groove, fixing clamping grooves are formed in the locking clamping blocks, the lower end of the upper pressing plate is provided with a plurality of telescopic limiting pressing columns corresponding to the positions of circuit board plug-ins, and the two sides of the lower end of the upper pressing plate are each provided with a locking buckle matched with the fixing clamping grooves of the locking clamping blocks. According to the utility model, the plug-in is pressed and limited through the telescopic limiting pressing column on the upper pressing plate, so that later element shaping is not needed after furnace welding, the phenomena of element floating and no pin appearance are avoided, the product qualification rate is greatly improved, and the jig is convenient to use, simple to operate, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the field of circuit board plug-in welding, in particular to a circuit board plug-in shaping furnace fixture. Background Art

[0002] When mass-producing existing circuit boards, the plug-ins on the circuit board are generally soldered by wave soldering, which is also called furnace soldering. When the circuit board is passed through the furnace for wave soldering, plug-ins such as heat sinks or transformers often float or do not come out, which will lead to a low soldering pass rate of the product, and secondary soldering is often required, affecting processing efficiency. Utility Model Content

[0003] In order to solve the problem that a circuit board plug-in in the prior art is prone to floating or not having its feet out, the utility model provides a circuit board plug-in shaping furnace fixture which can shape and limit the plug-in.

[0004] The utility model provides a circuit board plug-in shaping furnace jig, comprising a base and an upper pressing plate, a circuit board accommodating groove is provided in the middle of the base, a plurality of hollow grooves corresponding to the welding positions of the circuit board plug-ins are provided in the circuit board accommodating groove, a plurality of limit buckles that can be rotatably pressed on the edge of the circuit board are symmetrically provided on both sides of the circuit board accommodating groove on the base, two locking blocks are symmetrically provided on the other two sides of the circuit board accommodating groove on the base, a fixed slot is provided on the locking block, a plurality of telescopic limit pressure columns corresponding to the circuit board plug-in positions are provided at the lower end of the upper pressing plate, and a locking buckle adapted to the fixed slot of the locking block is respectively provided on both sides of the lower end of the upper pressing plate.

[0005] As a further improvement of the present invention, the telescopic limit pressure column includes a limit pressure rod and a limit spring passed through the upper pressure plate, a limit pressure head is provided at the lower end of the limit pressure rod, the limit spring is provided between the upper pressure plate and the limit pressure head, and a limit nut is provided at the upper end of the limit pressure rod.

[0006] As a further improvement of the present invention, a plurality of limit blocks are provided on the base at the periphery of the circuit board accommodating groove, a limit hole is provided at the upper end of the limit block, and a plurality of limit columns adapted to the limit holes on the limit block are provided at the lower end of the upper pressure plate.

[0007] As a further improvement of the present invention, a plurality of limit blocks are respectively arranged on both sides of the two locking blocks.

[0008] As a further improvement of the present invention, the limiting pressure head is a rubber pressure head.

[0009] As a further improvement of the present invention, there are four limit buckles which are symmetrically arranged on both sides of the circuit board accommodating groove.

[0010] As a further improvement of the present invention, the locking buckle is an elastic buckle, and a pressing handle is provided on the locking buckle.

[0011] As a further improvement of the present invention, a hand-held rod is provided at the upper end of the limit buckle.

[0012] As a further improvement of the present invention, the locking block and the limiting block are respectively fixed to the base by fixing bolts.

[0013] As a further improvement of the present invention, a peripheral side plate is provided on the periphery of the upper end of the base.

[0014] The beneficial effects of the utility model are as follows: the utility model presses and limits the plug-in through the telescopic limiting pressure column on the upper pressure plate, so that there is no need for subsequent component shaping after furnace welding, and there will be no phenomenon of component floating and component feet not coming out, which greatly improves the product qualification rate, and the fixture is easy to use, simple to operate, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a circuit board plug-in shaping furnace fixture of the utility model;

[0016] Figure 2 The utility model is a schematic diagram of the exploded structure of a circuit board plug-in shaping furnace fixture.

[0017] Figure numerals: 1-base; 2-upper pressure plate; 3-circuit board; 11-circuit board accommodating groove; 12-hollow groove; 13-limiting buckle; 14-locking block; 15-limiting block; 16-outer side plate; 21-telescopic limiting pressure column; 22-locking buckle; 23-limiting column. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be understood that if there are descriptions involving orientation, such as orientations or positional relationships indicated by up, down, front, back, left, and right, the orientation description may be based on the orientation or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0019] In the description of the utility model, if there is a description of quantity, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of first or second, it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0020] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0021] like Figure 1 and Figure 2 As shown, the utility model discloses a circuit board plug-in shaping furnace jig, including a base 1 and an upper pressing plate 2, a circuit board accommodating groove 11 is provided in the middle of the base 1, a plurality of hollow grooves 12 corresponding to the welding positions of the circuit board plug-ins are provided in the circuit board accommodating groove 11, a plurality of limit buckles 13 that can be rotatably pressed on the edge of the circuit board 3 are symmetrically provided on both sides of the circuit board accommodating groove 11 on the base 1, two locking blocks 14 are symmetrically provided on the other two sides of the circuit board accommodating groove 11 on the base 1, a fixed slot is provided on the locking block 14, a plurality of telescopic limit pressure columns 21 corresponding to the position of the circuit board plug-in are provided at the lower end of the upper pressing plate 2, and a locking buckle 22 adapted to the fixed slot of the locking block 14 is provided on both sides of the lower end of the upper pressing plate 2.

[0022] When in use, first place the circuit board 3 with the plug-in inserted into the circuit board accommodating groove 11 on the base 1, and limit the circuit board 3 through the limiting buckle 13, and then press the upper pressure plate 2 on the upper end of the plug-in. At this time, the telescopic limiting pressure column 21 is pressed on the upper end of the plug-in, and the telescopic limiting pressure column 21 can be extended and retracted, so that plug-ins of different heights can be pressed and limited. At the same time, the locking buckle 22 on the upper pressure plate 2 is stuck in the fixed card slot on the locking card block 14 to achieve a locked connection, so that wave soldering can be carried out through the furnace.

[0023] The utility model presses and limits the plug-in by the telescopic limiting pressure column 21 on the upper pressure plate 2, so that there is no need for later component shaping after furnace welding, and there will be no phenomenon of component floating and component feet not coming out, which greatly improves the product qualification rate. In addition, the fixture is easy to use and simple to operate, saving time and effort.

[0024] In the utility model, the telescopic limit pressure column 21 includes a limit pressure rod and a limit spring which are inserted on the upper pressure plate 2, a limit pressure head is arranged at the lower end of the limit pressure rod, the limit spring is arranged between the upper pressure plate 2 and the limit pressure head, and a limit nut is arranged at the upper end of the limit pressure rod. It can ensure that the limit pressure rod can be extended and retracted to different heights according to the height of the plug-in, thereby ensuring effective limitation of the component.

[0025] In the present invention, the base 1 is provided with a plurality of limit blocks 15 located outside the circuit board accommodating groove 11, the upper end of the limit block 15 is provided with a limit hole, and the lower end of the upper pressing plate 2 is provided with a plurality of limit columns 23 adapted to the limit holes on the limit block 15, so as to facilitate the installation and connection between the upper pressing plate 2 and the base 1.

[0026] In the present invention, the plurality of limit blocks 15 are respectively arranged on both sides of the two locking blocks 14 , so the layout is more reasonable and the locking buckle 22 can be conveniently inserted into the fixed slot on the locking block 14 .

[0027] In the utility model, the limit pressure head is a rubber pressure head, which plays the role of buffering and protecting the element.

[0028] In the present invention, there are four limit buckles 13 symmetrically arranged on both sides of the circuit board accommodating groove 11 to ensure effective limit fixation of the circuit board 3 .

[0029] In the present invention, the locking buckle 22 is an elastic buckle, and a pressing handle is provided on the locking buckle 22. The locking buckle 22 is controlled to open by manually pressing the pressing handle.

[0030] In the utility model, a hand-held rod is provided at the upper end of the position-limiting buckle 13 to facilitate hand-held rotation of the position-limiting buckle 13 .

[0031] In the present invention, the locking block 14 and the limiting block 15 are respectively fixed to the base 1 by fixing bolts, which is convenient for processing and later maintenance.

[0032] In the present invention, a peripheral side plate 16 is disposed on the periphery of the upper end of the base 1 to play a reinforcing role.

[0033] The utility model has a simple structure, does not need to carry out later component shaping after furnace welding, and will not cause component floating and component foot failure, which greatly improves the product qualification rate. Moreover, the fixture is easy to use and simple to operate, saving time and effort.

[0034] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A circuit board plug-in shaping furnace fixture, characterized in that: It includes a base and an upper pressing plate, a circuit board accommodating groove is provided in the middle of the base, a plurality of hollow grooves corresponding to the welding positions of the circuit board plug-ins are provided in the circuit board accommodating groove, a plurality of limit buckles that can be rotatably pressed on the edge of the circuit board are symmetrically provided on both sides of the circuit board accommodating groove on the base, two locking blocks are symmetrically provided on the other two sides of the circuit board accommodating groove on the base, a fixed slot is provided on the locking block, a plurality of telescopic limit pressure columns corresponding to the circuit board plug-in positions are provided at the lower end of the upper pressing plate, and a locking buckle adapted to the fixed slot of the locking block is respectively provided on both sides of the lower end of the upper pressing plate.

2. The circuit board plug-in shaping furnace fixture according to claim 1, characterized in that: The telescopic limiting pressure column includes a limiting pressure rod and a limiting spring which are passed through the upper pressure plate. A limiting pressure head is provided at the lower end of the limiting pressure rod. The limiting spring is provided between the upper pressure plate and the limiting pressure head. A limiting nut is provided at the upper end of the limiting pressure rod.

3. The circuit board plug-in shaping furnace fixture according to claim 2, characterized in that: The base is also provided with a plurality of limit blocks located at the periphery of the circuit board accommodating groove, the upper end of the limit block is provided with a limit hole, and the lower end of the upper pressing plate is provided with a plurality of limit columns adapted to the limit holes on the limit block.

4. The circuit board plug-in shaping furnace fixture according to claim 3, characterized in that: The plurality of limit blocks are respectively arranged on both sides of the two locking blocks.

5. The circuit board plug-in shaping furnace fixture according to claim 2, characterized in that: The limiting pressure head is a rubber pressure head.

6. The circuit board plug-in shaping furnace fixture according to claim 1, characterized in that: There are four limit buckles which are symmetrically arranged on both sides of the circuit board accommodating groove.

7. The circuit board plug-in shaping furnace fixture according to claim 1, characterized in that: The locking buckle is an elastic buckle and is provided with a pressing handle.

8. The circuit board plug-in shaping furnace fixture according to claim 1, characterized in that: A hand-held rod is arranged on the upper end of the limit buckle.

9. The circuit board plug-in shaping furnace jig according to claim 3, characterized in that: The locking block and the limiting block are respectively fixed on the base by fixing bolts.

10. The circuit board plug-in shaping furnace fixture according to claim 1, characterized in that: The periphery of the upper end of the base is provided with a peripheral side plate.

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