CN221047663U - Circuit board welding jig - Google Patents

Abstract

The utility model relates to the technical field of circuit board production, in particular to a circuit board welding jig. Including the bottom plate, one side of bottom plate is provided with the standing groove that is used for placing the circuit board, be provided with the welding hole on the bottom plate, its four corners in one side that the bottom plate is provided with the standing groove all is provided with the guide post, the outside of guide post is provided with rather than the fixed slot that extending direction is the same, still including being used for compressing tightly the circuit board in the standing groove and playing the compressing tightly of fixed action to the electronic component on the circuit board, the four corners of compressing tightly is provided with the guide cylinder, guide cylinder and guide post sliding connection, be provided with the screw hole in the position that corresponds with the fixed slot on the guide cylinder, screw hole threaded connection has the bolt. The utility model can conveniently fix the pressing piece on the bottom plate or take the pressing piece off the bottom plate.

Description

Circuit board welding jig

Technical Field

The utility model relates to the technical field of circuit board production, in particular to a circuit board welding jig.

Background

The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in mass production of fixed circuits and optimization of the layout of electrical appliances. The circuit board requires soldering capacitors, resistors or other electronic components during the manufacturing process, which requires soldering jigs. The patent with the application number 201921217249.2 discloses a circuit board welding jig, package base, set up the mounting groove that is used for placing the circuit board on the base, the recess corresponding with the circuit board to wait to weld the position is seted up to the tank bottom of mounting groove, still include the apron, it sets up relatively with one side that the mounting groove was seted up to the base, still include fixed subassembly, it sets up one side that the mounting groove was seted up at the base, be used for fixing and supporting the apron, still be used for separating apron and base mutually, still include at least one setting element, it sets up on the apron, extend towards the base direction, be used for locating the electronic component on the circuit board, and hold the circuit board in the mounting groove, thereby can make the electronic component stable location to the circuit board on, when welding electronic component to the circuit board, electronic component can not take place the skew. However, when the cover plate is taken down after welding is completed, the fixing assemblies on the two sides of the cover plate are required to be respectively broken off outwards by two hands, so that other personnel are required to take down the cover plate, and the cover plate is inconvenient; if an operator breaks the fixing component on one side outwards, then tilts the cover plate on the side upwards by using the other hand, then loosens the fixing component on the side so that the side of the cover plate is positioned above the fixing component, and then breaks away from the fixing component on the other side by using the same method, the electronic element positioned in the groove on the positioning block is subjected to the action of force, and is easy to damage or tilt relative to the circuit board.

Disclosure of utility model

The utility model aims to solve the technical problems and provides a circuit board welding jig aiming at the technical defects.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a circuit board welding jig, includes the bottom plate, one side of bottom plate is provided with the standing groove that is used for placing the circuit board, be provided with the welding hole on the bottom plate, its four corners in one side that the bottom plate is provided with the standing groove all is provided with the guide post, the outside of guide post is provided with the fixed slot the same rather than extending direction, still including being used for compressing tightly the circuit board in the standing groove and playing the compressing tightly of fixed action to the electronic component on the circuit board, the four corners of compressing tightly is provided with the guide cylinder, guide cylinder and guide post sliding connection, be provided with the screw hole in the position that corresponds with the fixed slot on the guide cylinder, screw hole threaded connection has the bolt.

Further optimize this technical scheme, compress tightly the piece and include backup pad and clamp plate, the guide cylinder is located between backup pad and the clamp plate, be provided with fretwork portion on the clamp plate, be provided with at least one support column in the backup pad.

Further optimize this technical scheme, the top of support column is provided with the recess that is used for carrying out spacing to electronic component.

Further optimizing this technical scheme, the side of welding hole is in keeping away from the direction of standing groove and gradually outwards slope.

Further optimize this technical scheme, the bottom plate is kept away from one side of standing groove and its four corners are provided with the backing sheet.

According to the technical scheme, the number of the placing grooves on the bottom plate is multiple.

Compared with the prior art, the utility model has the following advantages: 1. the bottom plate is provided with the guide post, one side of the guide post is provided with the fixing groove, the pressing piece is provided with the guide cylinder which is in sliding connection with the guide post, one side of the guide cylinder is in threaded connection with the bolt, the bolt can fix the pressing piece on the guide post, and the structure can conveniently fix the pressing piece on the bottom plate or take the pressing piece off the bottom plate; 2. the supporting pieces are arranged at four corners of one side of the bottom plate away from the placing groove, so that a gap is reserved between the bottom plate and the working table surface, and the device is easy to pick up.

Drawings

Fig. 1 is a schematic structural diagram of a circuit board welding jig.

Fig. 2 is a schematic structural view of a side of the base plate provided with the placement groove.

Fig. 3 is a schematic view of the other side of the base plate.

Fig. 4 is a schematic structural view of the pressing member.

In the figure: 1. a bottom plate; 11. a guide post; 111. a fixing groove; 12. a placement groove; 13. welding holes; 14. a support sheet; 2. a pressing member; 21. a support plate; 211. a support column; 212. a groove; 22. a guide cylinder; 221. a threaded hole; 23. a pressing plate; 231. a hollowed-out part; 3. a bolt; 4. a circuit board.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The specific embodiment is as follows: referring to fig. 1-4, a circuit board welding jig includes a base plate 1, a placement groove 12 for placing a circuit board 4 is provided on one side of the base plate 1, the placement groove 12 is shaped to match with the shape of the circuit board 4, a welding hole 13 is provided on the base plate 1, pins of an electronic component can be exposed from the welding hole 13, guide posts 11 are provided at four corners of one side of the base plate 1 provided with the placement groove 12, the guide posts 11 are perpendicular to the base plate 1, fixing grooves 111 with the same extending direction are provided on the outer side of the guide posts 11, a pressing piece 2 for pressing the circuit board 4 in the placement groove 12 and playing a fixing role on the circuit board 4 is provided at four corners of the pressing piece 2, guide cylinders 22 are slidably connected with the guide posts 11, threaded holes 221 are provided on the guide cylinders 22 at positions corresponding to the fixing grooves 111, the threaded holes 221 are in threaded connection with bolts 3, the diameters of the bolts 3 are smaller than the widths of the fixing grooves 111, the guide posts 3 are perpendicular to the base plate 1, the pressing piece 2 can be pressed against the guide posts 3, and the pressing piece 2 can be pressed against the guide posts 2 by tightening the fixing pieces, and the pressing piece 2 can be pressed against the guide posts 11. This structure makes it possible to easily fix the pressing member 2 to the base plate 1 or to remove it from the base plate 1.

Specifically, the pressing member 2 includes a support plate 21 and a pressing plate 23, the guide cylinder 22 is located between the support plate 21 and the pressing plate 23 to connect the support plate 21 and the pressing plate 23, through holes are formed in corresponding positions on the support plate 21 and the pressing plate 23 so that the guide posts 11 can pass through, the pressing plate 23 is provided with hollowed-out portions 231, and the area of each hollowed-out portion 231 is smaller than that of the circuit board 4, so that most of the circuit board 4, especially the portion to be inserted with the electronic component, can be exposed, the pressing plate 23 can only press the edge of the circuit board 4, at least one support post 211 is arranged on the support plate 21, and the support post 211 is used for positioning the electronic component, for example, after the electronic component is turned over, the electronic component with larger plane and more pins can be supported.

Further, the top of the supporting column 211 is provided with a groove 212 for limiting the electronic component, when the plane of the electronic component is smaller and the pins are fewer, the groove 212 can limit the electronic component when the electronic component is turned over, so that the electronic component cannot deviate from the normal position.

Further, when the electronic components to be soldered are far away from each other, the soldering hole 13 corresponds to the soldering point on the circuit board 4, and the size of the soldering hole is only larger than that of the soldering point by a proper size, and as only the soldering hole 13 needs to be soldered, the part to be soldered is clear, easy to find and difficult to leak soldering, and the side surface of the soldering hole 13 is gradually inclined outwards in the direction away from the placing groove 12, so that the pins in the soldering hole can be soldered conveniently.

Further, the four corners of one side of the bottom plate 1 far away from the placing groove 12 are provided with supporting pieces 14, so that a gap is formed between the bottom plate 1 and the working table surface, and fingers can be easily stretched into the gap to pick up and turn over the device.

Further, when the circuit boards 4 to be soldered are smaller, the number of the placement grooves 12 on the bottom plate 1 can be set to be multiple, at this time, the hollowed-out portions 231 and the supporting columns 211 are correspondingly increased, so that a plurality of circuit boards 4 can be fixed at a time for soldering, and efficiency is improved.

When the device is used, as shown in fig. 1, the bottom plate 1 is placed on the workbench in an upward posture of the guide post 11, then the circuit board 4 is placed in the placement groove 12, then the pins of the electronic component are downwards inserted into corresponding holes on the circuit board 4, then the guide cylinder 22 of the pressing piece 2 is aligned with the guide post 11 and then is downwards pressed on the circuit board 4, then the bolt 3 is screwed, then the device is taken up and turned 180 degrees so that the side provided with the supporting piece 14 is upwards placed on the workbench, and one end of the guide post 11 far away from the bottom plate 1 is contacted with the workbench, and then welding work can be performed. After the welding is finished, the device is turned back by 180 degrees to restore to the state in fig. 1, then the bolt 3 is loosened, the pressing piece 2 is taken down, and then the circuit board 4 is taken down.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (6)

1. The utility model provides a circuit board welding jig, includes bottom plate (1), one side of bottom plate (1) is provided with standing groove (12) that are used for placing circuit board (4), its characterized in that: be provided with on bottom plate (1) and weld hole (13), its four corners of one side that bottom plate (1) was provided with standing groove (12) all is provided with guide post (11), the outside of guide post (11) is provided with fixed slot (111) the same rather than extending direction, still including being used for compressing tightly circuit board (4) in standing groove (12) and playing fixed effect's compressing tightly piece (2) to the electronic component on circuit board (4), the four corners that compresses tightly piece (2) are provided with guide cylinder (22), guide cylinder (22) and guide post (11) sliding connection, be provided with screw hole (221) in the position that corresponds with fixed slot (111) on guide cylinder (22), screw hole (221) threaded connection has bolt (3).

2. The circuit board welding jig of claim 1, wherein: the compressing piece (2) comprises a supporting plate (21) and a pressing plate (23), the guide cylinder (22) is located between the supporting plate (21) and the pressing plate (23), a hollowed-out portion (231) is arranged on the pressing plate (23), and at least one supporting column (211) is arranged on the supporting plate (21).

3. The circuit board welding jig according to claim 2, wherein: the top of the support column (211) is provided with a groove (212) for limiting the electronic element.

4. A circuit board welding jig according to any one of claims 1 to 3, wherein: the side surface of the welding hole (13) is gradually inclined outwards in the direction away from the placing groove (12).

5. A circuit board welding jig according to any one of claims 1 to 3, wherein: the four corners of one side of the bottom plate (1) far away from the placing groove (12) are provided with supporting pieces (14).

6. A circuit board welding jig according to any one of claims 1 to 3, wherein: the number of the placing grooves (12) on the bottom plate (1) is a plurality.