CN217096375U

CN217096375U - PCB welding fixture

Info

Publication number: CN217096375U
Application number: CN202220475015.3U
Authority: CN
Inventors: 李光睿
Original assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Current assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-02
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a PCB board welding jig, include: the support assembly comprises a fixed bottom plate, a limiting plate is arranged above the fixed bottom plate and is abutted against the fixed bottom plate, the limiting plate is located in the middle of the fixed bottom plate, a limiting groove is formed in the upper surface of the limiting plate, and the size and the shape of the limiting groove are matched with those of a PCB to be fixed; the clamp assembly comprises a clamp base and a pressing plate, the clamp base is arranged above the fixed base plate and detachably connected with the fixed base plate, the pressing plate is rotatably connected with the clamp base, and the pressing plate is located right above the limiting groove. The supporting component supports the PCB and fixes the PCB in the horizontal direction, the clamp component is used for fixing the PCB in the vertical direction, the PCB is supported and fixed through the supporting component and the clamp component, the PCB is fixed firmly, and the position deviation does not occur, so that the PCB is convenient to weld.

Description

PCB welding fixture

Technical Field

The utility model relates to a circuit board welding technology field especially relates to a anchor clamps of PCB board welding usefulness.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. The PCB is an electronic technology widely applied, a large number of electronic components are required to be welded on the circuit board in the manufacturing process of the circuit board, and in the welding process, because the components and the circuit board body are in a loose state, the welding difficulty is increased, and the welding quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a PCB welding fixture for fixing a PCB and improving the welding quality.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a PCB welding jig comprising:

the supporting assembly comprises a fixed bottom plate, a limiting plate is arranged above the fixed bottom plate and is abutted against the fixed bottom plate, the limiting plate is positioned in the middle of the fixed bottom plate, a limiting groove is formed in the upper surface of the limiting plate, and the size and the shape of the limiting groove are matched with those of a PCB to be fixed;

the fixture assembly comprises a fixture base and a pressing plate, the fixture base is arranged above the fixed base plate and detachably connected with the fixed base plate, the pressing plate is rotatably connected with the fixture base, and the pressing plate is located right above the limiting groove.

The supporting component is used for supporting the PCB and fixing the PCB in the horizontal direction, the clamp component is used for fixing the PCB in the vertical direction, the PCB is supported and fixed through the supporting component and the clamp component, the PCB is fixed firmly, and the position deviation does not occur so as to facilitate the welding of the PCB.

Furthermore, the side walls of the limiting grooves are provided with two plate releasing grooves, the two plate releasing grooves are located on the two side walls opposite to the limiting grooves, and the two plate releasing grooves are arranged in a mirror image mode. Through the setting in stripper groove, conveniently take out the PCB board from the spacing groove.

Further, the clamp assembly further comprises a clamp handle and a first connecting rod, a first protruding portion is arranged on the upper surface of the clamp base, the first protruding portion and one end of the first connecting rod are hinged through a first hinge rod, and the other end of the first connecting rod and the middle of the clamp handle are hinged through a third hinge rod. When the clamp handle is lifted upwards, the third hinge rod is lifted upwards along with the clamp handle and moves by taking the first hinge rod as a center.

Further, the fixture assembly further comprises a second connecting rod, a second protruding portion is arranged on the upper surface of the fixture base, the second protruding portion is hinged to one end of the second connecting rod through a second hinged rod, the second connecting rod is connected to one end of the fixture handle through a fourth hinged rod, and the second hinged rod is located at the same end of the second connecting rod as the fourth hinged rod. When the third hinge pole lifts up and uses first hinge pole as the center removal along with the anchor clamps handle, the anchor clamps handle has produced the pulling effort to the second connecting rod, and under the effect of effort, the second connecting rod uses the second hinge pole to swing upwards as the center.

Further, the clamp assembly further comprises a screw rod, and the screw rod is connected with the second connecting rod and the pressing plate. The distance between the screw rod and the pressing plate can be adjusted by rotating the screw rod, and the pressing plate is arranged right above the limiting groove, so that the pressure of the pressing plate on the PCB is adjusted.

Furthermore, a through hole is formed in one end, far away from the second boss, of the second connecting rod, and the screw penetrates through the through hole and is fixedly connected with the pressing plate.

Furthermore, the clamp assemblies are provided with a plurality of groups and are arranged at two ends of the fixed bottom plate in a mirror image mode.

To sum up, the utility model discloses following beneficial effect has: the supporting component is used for supporting the PCB and fixing the PCB in the horizontal direction, the clamp component is used for fixing the PCB in the vertical direction, the PCB is supported and fixed through the supporting component and the clamp component, the PCB is fixed firmly, and the position deviation does not occur so as to facilitate the welding of the PCB.

Drawings

Fig. 1 is a front view of a PCB welding jig according to an embodiment of the present invention;

fig. 2 is a perspective view of a support assembly according to an embodiment of the present invention;

fig. 3 is a perspective view of a clamp assembly according to an embodiment of the present invention.

In the figure:

1. a support assembly; 11. fixing the bottom plate; 12. a limiting plate; 13. a limiting groove; 14. a plate-removing groove;

2. a clamp assembly; 21. a clamp base; 211. a first boss portion; 2111. a first hinge lever; 212. a second boss portion; 2121. a second hinge lever; 22. a first connecting rod; 23. a second connecting rod; 24. a screw; 25. a clamp handle; 251. a third hinge rod; 252. a fourth hinge lever; 26. and (7) pressing a plate.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1, the PCB welding fixture in this embodiment includes a supporting component 1 and a fixture component 2, where the supporting component 1 is used to support and fix the PCB in the horizontal direction, the fixture component 2 is used to fix the PCB in the vertical direction, and the supporting component 1 and the fixture component 2 are used to support and fix the PCB, so that the PCB is firmly fixed and does not shift.

In some embodiments, referring to fig. 2, the supporting assembly 1 includes a fixing base plate 11, a limiting plate 12 is disposed above the fixing base plate 11, the limiting plate 12 abuts against the fixing base plate 11, the limiting plate 12 is located in an intermediate position of the fixing base plate 11, a limiting groove 13 is disposed on an upper surface of the limiting plate 12, a size and a shape of the limiting groove 13 are adapted to a PCB to be fixed, the limiting groove 13 is used for placing the PCB, and a side wall of the limiting groove 13 is used for fixing the PCB in a horizontal direction, so as to prevent the PCB from being displaced in the horizontal direction during a welding process. Be provided with stripper groove 14 on the lateral wall of spacing recess 13, stripper groove 14 is provided with two to be located two relative lateral walls of spacing recess 13, two stripper grooves 14 become the mirror image setting, through the setting in stripper groove 14, conveniently take out the PCB board from spacing recess 13.

In some embodiments, referring to fig. 3, the clamp assemblies 2 are provided in multiple sets and are arranged in mirror image at both ends of the fixed base plate 11. In this embodiment, the fixture assemblies 2 are provided with four groups, and the fixture assemblies 2 are located at two ends of the fixing base plate 11 and located on two sides of the limiting plate 12. The clamp assembly 2 comprises a clamp base 21, wherein the clamp base 21 is arranged above the fixed base plate 11 and is detachably connected with the fixed base plate 11. The clamp assembly 2 further comprises a clamp handle 25, a first connecting rod 22, a second connecting rod 23 and a pressing plate 26, wherein the upper surface of the clamp base 21 is provided with two protrusions which are respectively a first protrusion 211 and a second protrusion 212, one ends of the first protrusion 211 and the first connecting rod 22 are hinged through a first hinge rod 2111, and the other end of the first connecting rod 22 and the middle of the clamp handle 25 are hinged through a third hinge rod 251. The second boss 212 is hinged to one end of the second connecting rod 23 by a second hinge rod 2121, the second connecting rod 23 is connected to one end of the clamp handle 25 by a fourth hinge rod 252, and the second hinge rod 2121 and the fourth hinge rod 252 are located at the same end of the second connecting rod 23. When the clamp handle 25 is lifted upwards, one end of the first connecting rod 22 connected with the clamp handle 25 is lifted upwards along with the clamp handle 25, in the lifting process, the clamp handle 25 generates a pulling force on the second connecting rod 23, under the action of the pulling force, the second connecting rod 23 swings upwards by taking the second hinge rod 2121 as a center, on the contrary, when the clamp handle 25 is pressed downwards, one end of the first connecting rod 22 connected with the clamp handle 25 moves downwards along with the clamp handle 25, in the downward moving process, the clamp handle 25 generates a pushing force on the second connecting rod 23, and under the action of the pushing force, the second connecting rod 23 swings downwards by taking the second hinge rod 2121 as a center.

In some embodiments, the clamp assembly 2 further includes a screw 24, the screw 24 connects the second connecting rod 23 and the pressing plate 26, a through hole is provided at an end of the second connecting rod 23 away from the second protrusion 212, the screw 24 passes through the through hole and connects with the pressing plate 26, a distance between the screw 24 and the pressing plate 26 can be adjusted by rotating the screw 24, and the pressing plate 26 is disposed right above the limiting groove 13, so as to adjust a pressure of the pressing plate 26 on the PCB.

The working process is as follows: place the PCB board in spacing recess 13, fix the PCB board in the horizontal direction through the lateral wall of spacing recess 13, push down anchor clamps handle 25, along with clamp plate 26 pushes down downwards, fixes the PCB board, prevents that the PCB board from removing in vertical direction. When the welding of the PCB is completed, the clamp handle 25 is lifted up, and the PCB is taken out.

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

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a PCB board welding jig which characterized in that includes:

the supporting component (1) comprises a fixed bottom plate (11), a limiting plate (12) is arranged above the fixed bottom plate (11), the limiting plate (12) is abutted to the fixed bottom plate (11), the limiting plate (12) is located in the middle of the fixed bottom plate (11), a limiting groove (13) is formed in the upper surface of the limiting plate (12), and the size and the shape of the limiting groove (13) are matched with a PCB to be fixed;

the fixture comprises a fixture assembly (2), wherein the fixture assembly (2) comprises a fixture base (21) and a pressing plate (26), the fixture base (21) is arranged above the fixed base plate (11) and detachably connected with the fixed base plate (11), the pressing plate (26) is rotatably connected with the fixture base (21), and the pressing plate (26) is located right above the limiting groove (13).

2. The PCB welding fixture according to claim 1, wherein two releasing grooves (14) are arranged on the side wall of the limiting groove (13), and the two releasing grooves (14) are arranged on the two opposite side walls of the limiting groove (13), and the two releasing grooves (14) are arranged in a mirror image.

3. The PCB welding fixture according to claim 2, wherein the fixture assembly (2) further comprises a fixture handle (25) and a first connecting rod (22), the upper surface of the fixture base (21) is provided with a first protruding portion (211), one end of the first protruding portion (211) and one end of the first connecting rod (22) are hinged through a first hinge rod (2111), and the other end of the first connecting rod (22) and the middle of the fixture handle (25) are hinged through a third hinge rod (251).

4. A PCB welding jig according to claim 3, wherein the jig assembly (2) further comprises a second connecting rod (23), the upper surface of the jig base (21) is provided with a second boss (212), the second boss (212) and one end of the second connecting rod (23) are hinged by a second hinge rod (2121), the second connecting rod (23) and one end of the jig handle (25) are connected by a fourth hinge rod (252), and the second hinge rod (2121) and the fourth hinge rod (252) are located at the same end of the second connecting rod (23).

5. The PCB welding jig of claim 4, wherein the jig assembly (2) further comprises a screw (24), and the screw (24) connects the second connecting rod (23) and the pressure plate (26).

6. The PCB welding fixture according to claim 5, wherein a through hole is formed at one end of the second connecting rod (23) far away from the second boss (212), and the screw (24) penetrates through the through hole to be fixedly connected with the pressing plate (26).

7. A PCB welding jig according to claim 6, characterized in that the jig assembly (2) is provided with a plurality of sets and is arranged at both ends of the fixed base plate (11) in a mirror image.