Welding positioning jig

Abstract

The utility model belongs to the technical field of jigs, and particularly relates to a welding positioning jig which comprises a base plate and a pressing plate hinged to the base plate, a connecting rod is arranged on the pressing plate, a positioning piece is arranged at one end of the connecting rod, a first limiting piece, a supporting piece and a placing area are arranged on one surface of the base plate, and the first limiting piece and the supporting piece are arranged around the placing area. And the placing area corresponds to the positioning piece. A circuit board to be welded is placed on the placing area, the positioning piece is moved to the position above the placing area through the pressing plate, the part to be welded can be fixed, and workers can weld the circuit board conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of jig, concretely relates to a welding positioning jig. BACKGROUND

[0002] The PCB board is also called printed circuit board or printed wiring board, and it is an important electronic component, which can be used to carry various electronic components, such as capacitor, inductor, resistor, diode, connector slot and the like, and is used to connect with specific devices and modules. Among them, the electronic components on the circuit board are mainly divided into plug-in components and surface-mounted components. The plug-in component is an electronic component with a plug-in pin. When installed, the plug-in pin penetrates the circuit board, and then is fixed by welding from the opposite side. The surface-mounted component refers to a component attached to the surface of the circuit board, which is directly bonded by surface bonding technology, usually using a tin paste to weld and stick.

[0003] When welding the circuit board, a jig is needed to improve the welding efficiency of workers. The existing circuit board welding jig only places the circuit board on the jig. Some circuit boards are provided with connecting ports, and the position of the connecting port is relatively high. When welding the connecting port, it is easy to shake, which can easily lead to welding failure and reduce the welding efficiency.

[0004] Therefore, a new technical scheme is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at: aiming at the deficiency of prior art, provide a kind of welding positioning jig, the circuit board to be welded is placed on the placement area, positioning piece is moved to the upper of placement area by pressing plate, the part to be welded can be fixed, it is convenient for worker to weld circuit board, improve the efficiency of welding.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of welding positioning jig, including base plate and the pressing plate articulated with the base plate, the pressing plate is provided with connecting rod, one end of the connecting rod is provided with positioning piece, one surface of the base plate is provided with first limit piece, support and placement area, the first limit piece and the support are arranged around the placement area, the placement area is correspondingly provided with the positioning piece, the height of the first limit piece is greater than the height of the support.

[0008] Preferably, the positioning piece is a fork structure.

[0009] Preferably, the support is provided with two, two supports are oppositely arranged at the edge of the placement area.

[0010] Preferably, one end of the first limiting piece is adjacent to one end of one of the support pieces, and the other end of the first limiting piece is adjacent to one end of the other support piece.

[0011] Preferably, the outer side of the support piece is provided with a second limiting piece and a third limiting piece, and the second limiting piece and the third limiting piece are oppositely arranged at the edge of the placement area.

[0012] Preferably, one end of the second limiting piece is adjacent to one end of the first limiting piece, and one end of the third limiting piece is adjacent to the other end of the first limiting piece.

[0013] Preferably, the side of the pressing plate extends outward to form a handle.

[0014] Preferably, the outer side of the pressing plate is provided with a lifting handle.

[0015] Preferably, at least one fixing block is mounted on the base plate, and the pressing plate is connected to the fixing block through a connecting block.

[0016] Preferably, the connecting block is provided with a protrusion at one end close to the edge of the base plate, and the side of the protrusion is provided with a recess matched with the base plate.

[0017] The utility model discloses a base plate and the pressing plate hinged with base plate, is provided with connecting rod on the pressing plate, and one end of connecting rod is provided with positioning piece, and positioning piece is used for fixing the part of waiting to weld on the circuit board, and one surface of base plate is provided with first limiting piece, support piece and placement area, and first limiting piece is used for limiting the position of circuit board, and worker only needs to abut the side of first limiting piece with one end of circuit board to limit the position of circuit board well, thereby facilitating that positioning piece fixes the part of waiting to weld, and support piece is used for supporting circuit board, and a plurality of electronic components are installed on circuit board, and by setting up support piece, can avoid that electronic component directly contacts the surface of base plate when welding, prevents that electronic component is pressed and is broken, and placement area is used for placing circuit board, and first limiting piece and support piece surround the setting of placement area, and placement area is correspondingly provided with positioning piece. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is one of the overall structure schematic diagram of the utility model.

[0019] Fig. 2 It is the second overall structure schematic diagram of the utility model.

[0020] Fig. 3 It is the working schematic diagram of the utility model.

[0021] Wherein: 1, base plate; 11, fixed block; 2, pressing plate; 21, connecting block; 211, protruding block; 212, recessed part; 3, connecting rod; 31, positioning piece; 4, first limiting piece; 5, supporting piece; 6, placement area; 7, second limiting piece; 8, third limiting piece; 9, handle; 10, handle; 11, fixed block; 12, circuit board; 121, part to be welded; H1, height of the first limiting piece; H2, height of the supporting piece. DETAILED DESCRIPTION

[0022] As some terms can be used in the specification and claims to refer to certain components, those skilled in the art will appreciate that the manufacturer can use different names to refer to the same component. The specification and claims of the present application do not distinguish components by name difference, but by functional difference. As mentioned throughout the specification and claims, "including" is an open term, which should be interpreted as "including but not limited to". In the utility model, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The utility model will be further described in detail below in combination with the drawings Figs. 1-3 and specific embodiments, but not as a limitation on the utility model.

[0024] Example 1

[0025] The utility model provides a welding positioning jig, including base plate 1 and hinge with base plate 1 pressing plate 2, be provided with connecting rod 3 on pressing plate 2, and one end of connecting rod 3 is provided with positioning piece 31, and positioning piece 31 is used for fixing the welding part 121 on circuit board 12, and one surface of base plate 1 is provided with first limiting piece 4, support 5 and placement area 6, first limiting piece 4 is used for limiting the position of circuit board 12, and worker only needs to abut one end of circuit board 12 and the side portion of first limiting piece 4 to limit the position of circuit board 12, so that positioning piece 31 can be fixed to the welding part 121, support 5 is used for supporting circuit board 12, and a plurality of electronic components are installed on circuit board 12, and by setting up support 5, electronic components can be prevented from being directly contacted with the surface of base plate 1 during welding, to prevent the electronic components from being crushed, placement area 6 is used for placing circuit board 12, first limiting piece 4 and support 5 are arranged around placement area 6, and placement area 6 is provided in correspondence with positioning piece 31, the height of first limiting piece 4 is greater than the height of support 5, and the height of first limiting piece 4 is higher, which can avoid that the angle of pressing plate 2 pressing to base plate 1 is too small, to cause circuit board 12 to be crushed. The worker places circuit board 12 on support 5, moves positioning piece 31 to the upper side of placement area 6 through pressing plate 2, and positioning piece 31 can fix the welding part 121, to facilitate the worker to weld circuit board 12.

[0026] In the embodiment, the positioning piece 31 is a fork structure, which can fork the welding part 121 to keep it stable and facilitate the worker to weld the welding part 121. The fork structure is formed by inwardly recessing one end of the connecting rod 3.

[0027] Embodiment 2

[0028] Different from the embodiment 1, the support 5 is provided with two, and the two supports 5 are oppositely arranged at the edges of the placement area 6. The oppositely arranged two supports 5 can better support the two sides of the circuit board 12 to prevent the circuit board 12 from shaking during welding.

[0029] In the embodiment, one end of the first limiting piece 4 is adjacent to one end of one support 5, and the other end of the first limiting piece 4 is adjacent to one end of the other support 5. The first limiting piece 4 and the two supports 5 form a U-shaped structure, the two supports 5 support the two sides of the circuit board 12, one end of the circuit board 12 extends to the position abutting against the side of the first limiting piece 4, so that the position of the positioning piece 31 can correspond to the welding part 121.

[0030] The outer side of the support piece 5 is provided with a second limiting piece 7 and a third limiting piece 8, and the second limiting piece 7 and the third limiting piece 8 are oppositely arranged at the edge of the placement area 6. The outer side of the support piece 5 refers to the side away from the placement area 6. By arranging the second limiting piece 7 and the third limiting piece 8, the lateral deviation of the circuit board 12 can be prevented, and the worker can weld the circuit board 12.

[0031] In the embodiment, one end of the second limiting piece 7 is arranged adjacent to one end of the first limiting piece 4, and one end of the third limiting piece 8 is arranged adjacent to the other end of the first limiting piece 4. The first limiting piece 4 is arranged vertically to one end of the circuit board 12, and the second limiting piece 7 and the third limiting piece 8 are arranged parallel to the circuit board 12. Moreover, the second limiting piece 7 and the third limiting piece 8 are arranged on the outer side of the support piece 5, so that the circuit board 12 can be enclosed between the three. The worker only needs to place the circuit board 12 on the support piece 5 and push one end of the circuit board 12 to the position abutting against the side of the first limiting piece 4, so that the circuit board 12 can be limited between the first limiting piece 4, the second limiting piece 7 and the third limiting piece 8. The displacement of the circuit board 12 can be effectively prevented, the welding quality is ensured, and the welding efficiency is improved.

[0032] In the embodiment, the side of the pressing plate 2 extends outward to form a handle 9. By arranging the handle 9, the worker can easily rotate the pressing plate 2.

[0033] In the embodiment, the outer side of the pressing plate 2 is provided with a lifting handle 10. The worker can rotate the pressing plate 2 through the lifting handle 10, or limit the pressing plate 2 by fixing the lifting handle 10. When the welding is not needed, the end of the pressing plate 2 can be prevented from rotating above the placement area 6.

[0034] In the embodiment, at least one fixing block 11 is arranged on the base plate 1, and the pressing plate 2 is connected with the fixing block 11 through a connecting block 21. The number of the fixing block 11 and the connecting block 21 is two. The two fixing blocks 11 are oppositely arranged on the two sides of the base plate 1, and the pressing plate 2 is arranged between the two fixing blocks 11. The connecting block 21 is rotatably connected with the fixing block 11 through a rotating shaft. One side of the connecting block 21 is fixedly connected with the pressing plate 2, and one end of the rotating shaft penetrates the side of the fixing block 11 and the other side of the connecting block 21 in sequence, so that the connecting block 21 can rotate on the fixing block 11, thereby realizing the rotation of the pressing plate 2 on the base plate 1.

[0035] In the embodiment, the connecting block 21 is provided with a protrusion 211 at one end close to the edge of the substrate 1, and the side of the protrusion 211 is provided with a recess 212 matched with the substrate 1. By arranging the protrusion 211, the rotating angle of the connecting block 21 can be avoided to be too large, so that when the worker lifts the pressing plate 2, the pressing plate 2 can be in a stable position, and the worker can move the pressing plate 2 again to fix the circuit board 12; by arranging the recess 212, the connecting block 21 can be avoided to be stuck by the side edge of the substrate 1 when rotating.

[0036] The other structures of the embodiment are the same as those of the embodiment 1, and will not be described herein.

[0037] Obviously, the utility model includes substrate and pressing plate hinged with substrate, and the pressing plate is provided with connecting rod, one end of connecting rod is provided with positioning piece, positioning piece is used for fixing to be welded part on circuit board, one surface of substrate is provided with first limit piece, support and placement area, first limit piece is used for limiting position of circuit board, and worker only needs to abut one end of circuit board with side of first limit piece to limit position of circuit board, thereby facilitating positioning piece to fix to be welded part, support is used for supporting circuit board, and circuit board is provided with a plurality of electronic elements, and by arranging support, electronic element can be avoided to directly contact with surface of substrate when welding, and electronic element is prevented from being pressed to break, placement area is used for placing circuit board, first limit piece and support are arranged around placement area, placement area is correspondingly arranged with positioning piece, height of first limit piece is greater than height of support, and height of first limit piece is higher, can avoid the angle of pressing plate to be too small when pressing to substrate, and lead to circuit board to be pressed to break. The utility model is placed with to be welded circuit board on placement area, and by moving positioning piece to the upper side of placement area through pressing plate, to be welded part can be fixed, and the worker is facilitated to weld circuit board.

[0038] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the above specific embodiments, and any obvious improvement, replacement or modification made by the skilled in the art on the basis of the utility model belongs to the protection scope of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description, and do not constitute any limitation on the utility model.

Claims

1. A welding positioning fixture, characterized in that, The system includes a substrate (1) and a pressure plate (2) hinged to the substrate (1). A connecting rod (3) is provided on the pressure plate (2). A positioning member (31) is provided at one end of the connecting rod (3). A first limiting member (4), a support member (5) and a placement area (6) are provided on one surface of the substrate (1). The first limiting member (4) and the support member (5) are arranged around the placement area (6). The placement area (6) is correspondingly arranged with the positioning member (31).

2. The welding positioning fixture as described in claim 1, characterized in that, The positioning element (31) has a fork structure.

3. The welding positioning fixture as described in claim 1, characterized in that, Two support members (5) are provided, and the two support members (5) are arranged opposite to each other at the edge of the placement area (6).

4. The welding positioning fixture as described in claim 3, characterized in that, One end of the first limiting member (4) is arranged adjacent to one end of the support member (5), and the other end of the first limiting member (4) is arranged adjacent to one end of the other support member (5).

5. The welding positioning fixture as described in any one of claims 1 to 4, characterized in that, The support member (5) is provided with a second limiting member (7) and a third limiting member (8) on its outer side, and the second limiting member (7) and the third limiting member (8) are disposed opposite to each other at the edge of the placement area (6).

6. The welding positioning fixture as described in claim 5, characterized in that, One end of the second limiting member (7) is adjacent to one end of the first limiting member (4), and one end of the third limiting member (8) is adjacent to the other end of the first limiting member (4).

7. The welding positioning fixture as described in claim 1, characterized in that, The side of the pressure plate (2) extends outward to form a handle (9).

8. The welding positioning fixture as described in claim 1, characterized in that, A handle (10) is provided on the outside of the pressure plate (2).

9. The welding positioning fixture as described in claim 1, characterized in that, At least one fixing block (11) is mounted on the substrate (1), and the pressure plate (2) is connected to the fixing block (11) via a connecting block (21).

10. The welding positioning fixture as described in claim 9, characterized in that, The connecting block (21) has a protrusion (211) at one end near the edge of the substrate (1), and the side of the protrusion (211) has a recess (212) that matches the substrate (1).

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