Circuit board shaping and furnace-passing jig

Abstract

The utility model provides a circuit board shaping furnace-passing jig, which comprises a base and a fixed pressing plate, the base comprises a bottom plate and a side coaming arranged on the periphery of the bottom plate, a circuit board accommodating groove is arranged in the middle of the bottom plate, a plurality of hollow grooves corresponding to the positions of circuit board plug-in pins are arranged in the circuit board accommodating groove, and the circuit board plug-in pins are arranged in the hollow grooves. A plurality of first fixing buckles capable of being rotationally pressed on the circuit board are further arranged on the bottom plate and located on the outer side of the circuit board containing groove, the side surrounding plates comprise two first side surrounding plates which are oppositely arranged, a plurality of sets of symmetrically-arranged limiting clamping grooves are formed in the two first side surrounding plates, and a fixing pressing plate is installed in each set of limiting clamping grooves; second fixing buckles capable of being rotationally pressed on the fixing pressing plates are arranged on the two first side surrounding plates and located on one sides of the limiting clamping grooves correspondingly. According to the utility model, the height unification of plug-ins such as radiating fins or transformers and the like and the extension of all pins can be realized, element shaping is not needed after wave soldering of a circuit board, and the phenomena of element floating, non-unification of height and no pin extension of elements are avoided.

Description

Technical Field

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

[0002] When mass-producing existing circuit boards, the plug-ins on the circuit boards are usually soldered by wave soldering, which is also called passing through the furnace. When the circuit boards are passed through the furnace for wave soldering, plug-ins such as heat sinks or transformers often float or do not come out, which will result in a low soldering pass rate for the product and often require secondary soldering, 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 shaping furnace fixture which can shape and limit the plug-in.

[0004] The utility model provides a circuit board shaping furnace jig, including a base and a fixed pressure plate, the base including a bottom plate and a side panel arranged on the periphery of the bottom plate, a circuit board accommodating groove is provided in the middle of the bottom plate, a plurality of hollow grooves corresponding to the positions of the circuit board plug-in pins are provided in the circuit board accommodating groove, a plurality of first fixing buckles that can be rotatably pressed on the circuit board are also provided on the outside of the circuit board accommodating groove on the bottom plate, the side panel includes two first side panels that are arranged opposite to each other, a plurality of groups of symmetrically arranged limiting slots are provided on the two first side panels, each group of the limiting slots is installed with a fixed pressure plate, and a second fixing buckle that can be rotatably pressed on the fixed pressure plate is also provided on one side of the limiting slot on the two first side panels.

[0005] As a further improvement of the present invention, the side panel also includes two second side panels arranged opposite to each other, the bottoms of the two second side panels are fixedly connected to the bottom plate, and the two ends of the two second side panels are respectively fixedly connected to the two first side panels.

[0006] As a further improvement of the present invention, the first fixing buckle includes a first rotating pressure plate and a first hand-held rod vertically connected to one end of the first rotating pressure plate, and the other end of the first rotating pressure plate is hinged on the bottom plate.

[0007] As a further improvement of the present invention, the second fixing buckle includes a second rotating pressure plate and a second hand-held rod vertically connected to one end of the second rotating pressure plate, and the other end of the second rotating pressure plate is hinged to the first side panel.

[0008] As a further improvement of the present invention, a protective layer is provided on the upper end of the bottom plate.

[0009] As a further improvement of the present invention, there are four first fixing buckles, which are symmetrically arranged on one side close to the two second side panels.

[0010] As a further improvement of the present invention, the two second side panels are connected to the bottom plate and the two first side panels by screws.

[0011] As a further improvement of the present invention, a limiting step is respectively provided at both ends of the bottom of the base plate.

[0012] The beneficial effects of the utility model are as follows: the utility model can achieve the uniformity of the height of plug-ins such as heat sinks or transformers and the full extension of the pins, ensuring that there is no need to reshape components after the circuit board has been wave soldered, and there will be no phenomenon of component floating, inconsistent heights, and component pins not being out, so that the pads are full, the components are neat and tidy, and the qualified rate of semi-finished products in batches is effectively controlled. The utility model is easy to use and simple to operate, saving time and effort, and having low manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the exploded structure of a circuit board shaping furnace fixture.

[0014] Figure numerals: 1-base; 2-fixed pressure plate; 3-circuit board; 4-plug-in; 11-bottom plate; 12-circuit board accommodating groove; 13-first side panel; 14-second side panel; 15-limiting slot; 16-first fixing buckle; 7-second fixing buckle. DETAILED DESCRIPTION

[0015] 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.

[0016] 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.

[0017] 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.

[0018] like Figure 1 As shown, the utility model discloses a circuit board shaping furnace jig, including a base 1 and a fixed pressure plate 2, the base 1 includes a bottom plate 11 and a side panel arranged on the periphery of the bottom plate 11, a circuit board accommodating groove 12 is provided in the middle of the bottom plate 11, a plurality of hollow grooves corresponding to the pin positions of the circuit board plug-in 4 are provided in the circuit board accommodating groove 12, a plurality of first fixing buckles 16 that can be rotatably pressed on the circuit board 3 are also provided on the outside of the circuit board accommodating groove 12 on the bottom plate 11, the side panel includes two first side panels 13 that are arranged opposite to each other, a plurality of groups of symmetrically arranged limiting grooves 15 are provided on the two first side panels 13, each group of the limiting grooves 15 is installed with a fixed pressure plate 2, and second fixing buckles 7 that can be rotatably pressed on the fixed pressure plate 2 are also provided on one side of the limiting grooves 15 on the two first side panels 13.

[0019] When in use, first install the circuit board 3 with the plug-in 4 in the circuit board accommodating groove 12 in the middle of the bottom plate 11, at this time, the pins of the circuit board plug-in 4 will extend downward through the hollow groove, and then rotate the first fixing buckle 16 to press it on the edge of the circuit board 3 to fix the circuit board 3, and then install the fixed pressure plate 2 in the limiting groove 15, at this time, the fixed pressure plate 2 will press on the corresponding upper end of the plug-in 4 to limit and fix its plug-in 4, and finally rotate the second fixing buckle 7 to achieve the limiting fixation of the two ends of the fixed pressure plate 2, so that the height of plug-ins such as heat sinks or transformers can be unified and the pins can be fully extended, ensuring that there is no need to shape the components after the circuit board 3 passes the wave soldering, and there will be no floating height, inconsistent height and component pin-out phenomena, so that the pads are full, the components are neat and stylish, and the qualified rate of semi-finished products in batches is effectively controlled. It is easy to use and simple to operate, saving time and effort.

[0020] In the technical solution, the side panels further include two second side panels 14 arranged opposite to each other, the bottoms of the two second side panels 14 are fixedly connected to the bottom plate 11, and the two ends of the two second side panels 14 are respectively fixedly connected to the two first side panels 13. The two second side panels 14 can play a supporting role to ensure the structural stability of the fixture.

[0021] In the technical solution, the first fixing buckle 16 includes a first rotating pressing plate and a first hand-held rod vertically connected to one end of the first rotating pressing plate, and the other end of the first rotating pressing plate is hinged on the bottom plate 11. The second fixing buckle 7 includes a second rotating pressing plate and a second hand-held rod vertically connected to one end of the second rotating pressing plate, and the other end of the second rotating pressing plate is hinged on the first side panel 13. The first rotating pressing plate and the second rotating pressing plate can be rotated by holding the first hand-held rod and the second hand-held rod respectively, which is more convenient to operate.

[0022] In the present technical solution, a protective layer is provided on the upper end of the bottom plate 11 to protect the circuit board 3 and prevent wear.

[0023] In the present technical solution, there are four first fixing buckles 16 which are symmetrically arranged on one side close to the two second side panels 14, which can better limit and fix the circuit board 3. Being arranged on one side close to the second side panel 14 can avoid interference with the fixed pressure plate 2 and facilitate operation.

[0024] In the technical solution, the two second side panels 14 are connected to the bottom plate 11 and the two first side panels 13 by screws.

[0025] In the technical solution, a limiting step is respectively provided at both ends of the bottom of the base plate 11, which can be adapted to the conveyor belt in the wave soldering device.

[0026] The utility model can realize the uniformity of the height of plug-ins such as heat sinks or transformers and the full extension of the pins, ensures that after the circuit board 3 is wave soldered, there is no need to reshape the components, and there will be no component floating, uneven height and component pins not extending out, so that the pads are full, the components are neat and tidy, and the qualified rate of semi-finished products in batches is effectively controlled. It is easy to use and simple to operate, saves time and effort, and has low manufacturing cost.

[0027] 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 shaping furnace fixture, characterized in that: The invention comprises a base and a fixed pressure plate, wherein the base comprises a bottom plate and a side panel arranged on the periphery of the bottom plate, a circuit board accommodating groove is arranged in the middle of the bottom plate, a plurality of hollow grooves corresponding to the positions of the circuit board plug-in pins are arranged in the circuit board accommodating groove, a plurality of first fixing buckles which can be rotatably pressed on the circuit board are also arranged on the outside of the circuit board accommodating groove on the bottom plate, the side panel comprises two first side panels which are arranged opposite to each other, a plurality of groups of symmetrically arranged limiting slots are arranged on the two first side panels, each group of the limiting slots is equipped with a fixed pressure plate, and a second fixing buckle which can be rotatably pressed on the fixed pressure plate is also arranged on one side of the limiting slot on the two first side panels.

2. The circuit board shaping furnace jig according to claim 1, characterized in that: The side panel also includes two second side panels arranged opposite to each other, the bottoms of the two second side panels are fixedly connected to the bottom plate, and the two ends of the two second side panels are respectively fixedly connected to the two first side panels.

3. The circuit board shaping furnace jig according to claim 1, characterized in that: The first fixing buckle includes a first rotating pressing plate and a first hand-held rod vertically connected to one end of the first rotating pressing plate, and the other end of the first rotating pressing plate is hinged to the bottom plate.

4. The circuit board shaping furnace jig according to claim 1, characterized in that: The second fixing buckle includes a second rotating pressure plate and a second hand-held rod vertically connected to one end of the second rotating pressure plate, and the other end of the second rotating pressure plate is hinged to the first side panel.

5. The circuit board shaping furnace jig according to claim 1, characterized in that: A protective layer is provided on the upper end of the bottom plate.

6. The circuit board shaping furnace jig according to claim 2, characterized in that: There are four first fixing buckles, which are symmetrically arranged on one side close to the two second side panels.

7. The circuit board shaping furnace jig according to claim 2, characterized in that: The two second side panels are connected to the bottom plate and the two first side panels by screws.

8. The circuit board shaping furnace fixture according to claim 1, characterized in that: A limiting step is respectively provided at both ends of the bottom of the bottom plate.

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