Device welding and fixing jig
By designing a device welding fixture, and using chutes and positioning slots to position and fix electronic devices, the problem of collapse or displacement during the welding process is solved, ensuring the welding effect.
Patent Information
- Application Number
- CN202423284484.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, electronic components are prone to collapse or displacement during welding due to their own weight or height, which affects the welding effect.
Design a device welding and fixing fixture, including a carrier plate and a device pressure plate. The carrier plate is provided with a slide groove, and the device pressure plate is slidably assembled in the slide groove. A positioning groove is opened on the device pressure plate to correspond with the welding point on the circuit board, so as to realize the positioning and fixing of electronic devices.
This effectively prevents electronic components from collapsing or shifting during the soldering process, ensuring soldering results and preventing incomplete soldering or desoldering.
Smart Images
Figure CN223859364U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of semiconductor, specifically, a kind of device welding fixture. BACKGROUND
[0002] With the rapid development of semiconductor industry, printed wiring board is usually used to carry electronic components, and can realize electronic component insertion or mounting. Among them, power device, power device transformer and the like on the circuit board are usually fixed by using self-insertion mode, and are reflow soldered on printed wiring board, however, due to the weight or height of the plug-in device, it cannot be fixed by itself during welding, and collapse or displacement phenomenon is easy to exist, which affects the welding effect. SUMMARY
[0003] The utility model aims to provide a kind of device welding fixture, which can position and fix the device during welding, avoid collapse or displacement phenomenon of the device during welding process, and ensure the welding effect.
[0004] Embodiments of the utility model can be implemented as follows:
[0005] In a first aspect, the utility model provides a kind of device welding fixture, including bearing plate and device pressing plate, the side of the bearing plate has the bearing surface for carrying circuit board, at least one side edge of the bearing surface is provided with sliding slot, at least one end of the device pressing plate is slidably assembled in the sliding slot, and can slide along the sliding slot, and the device pressing plate and the bearing surface are formed with the positioning gap for the circuit board to pass through, the device pressing plate is also provided with positioning slot, the positioning slot is used to correspond with the soldering point position on the circuit board, so that the electronic device on the circuit board is positioned at the soldering point position by the positioning slot and is welded.
[0006] In an optional embodiment, both side edges of the bearing surface are provided with sliding slot, and the two sliding slots are parallel to each other, and both ends of the device pressing plate are slidably assembled in the two sliding slots.
[0007] In an optional embodiment, sliding block is slidably arranged in the sliding slot, and the end of the device pressing plate is connected to the sliding block.
[0008] In an optional embodiment, the end of the device pressing plate is provided with connecting shaft, and positioning insertion hole is formed in the sliding block, and the connecting shaft is correspondingly assembled in the positioning insertion hole.
[0009] In an optional embodiment, the connecting shaft is integrally arranged on the bottom side surface of the device pressing plate and extends downward, and the length of the connecting shaft is less than or equal to the depth of the positioning insertion hole.
[0010] In an optional embodiment, the length of the sliding slot is greater than the length of the device pressing plate.
[0011] In an optional embodiment, a clearance opening is further formed on the bearing plate between the two sliding slots, the device pressing plate is horizontally arranged on the clearance opening, and the clearance opening is used to expose the circuit board.
[0012] In an optional embodiment, a plurality of positioning slots are arranged on the device pressing plate, and the plurality of positioning slots are arranged on the same line along the extension direction of the device pressing plate.
[0013] In an optional embodiment, the plurality of positioning slots are shaped to match the shape of the electronic device on the circuit board, and the width of the plurality of positioning slots gradually increases along the extension direction of the device pressing plate.
[0014] In an optional embodiment, the thickness of the device pressing plate is less than the thickness of the bearing plate, and the thickness of the device pressing plate is less than the height of the electronic device.
[0015] The device welding and fixing jig provided by the embodiment of the utility model has the following beneficial effects:
[0016] The device welding and fixing jig provided by the embodiment of the utility model has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the premise of the drawings.
[0018] Figure 1 The assembly structure schematic view of the device welding and fixing jig provided by the embodiment is shown in the figure.
[0019] Figure 2An assembly structure exploded view of the device welding fixing jig provided in the embodiment is shown from a first perspective;
[0020] Figure 3 An overall structure schematic view of the device welding fixing jig provided in the embodiment is shown;
[0021] Figure 4 An assembly structure exploded view of the device welding fixing jig provided in the embodiment is shown from a second perspective;
[0022] Figure 5 An exploded structure schematic view of the device welding fixing jig provided in the embodiment is shown.
[0023] Icon: 100-device welding fixing jig; 110-bearing plate; 111-give place opening; 130-device pressing plate; 131-positioning groove; 133-connecting shaft; 150-slideway; 151-slideway; 153-positioning jack; 200-circuit board; 210-electronic device. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0025] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.
[0026] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0027] In the description of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.
[0028] In addition, if the terms "first", "second" and the like are used herein, they are merely used to distinguish one entity from another, and do not imply or suggest relative importance.
[0029] As disclosed in the background art, the electronic components in the prior art are usually fixed by self-insertion when being mounted on the board, and then are soldered on the printed circuit board by reflow soldering. However, during the reflow soldering process, the electronic components may collapse or shift under the action of the mold flow due to being too heavy or too high, thereby affecting the soldering effect and easily causing virtual soldering or soldering-off.
[0030] In addition, the existing circuit board may be warped due to the change of internal thermal stress during the soldering process due to local heating, which also affects the soldering effect.
[0031] In view of the above problems, the device soldering fixture provided by the utility model can position and fix the device during soldering, avoid the collapse or shift of the device during the soldering process, and ensure the soldering effect. Specific embodiments
[0033] Referring to Figures 1 to 5 The device soldering fixture 100 provided by the utility model embodiment can position and fix the device during soldering, avoid the collapse or shift of the device during the soldering process, and ensure the soldering effect.
[0034] The device soldering fixture 100 provided by the utility model embodiment includes a bearing plate 110 and a device pressing plate 130. The bearing plate 110 has a bearing surface for bearing the circuit board 200 on one side. At least one side edge of the bearing surface is provided with a sliding groove 150. At least one end of the device pressing plate 130 is slidingly assembled in the sliding groove 150 and can slide along the sliding groove 150. A positioning gap for the circuit board 200 to pass through is formed between the device pressing plate 130 and the bearing surface. The device pressing plate 130 is further provided with a positioning groove 131 corresponding to the soldering point on the circuit board 200, so that the electronic component 210 on the circuit board 200 is positioned at the soldering point by the positioning groove 131 and is soldered.
[0035] It is worth noting that the bearing plate 110 can be in the shape of a rectangular plate, and the circuit board 200 to be welded can be placed directly on the bearing plate 110, and the device pressing plate 130 is at least partially spaced apart from the bearing plate 110, so as to form a positioning gap of a certain width, facilitating the passage of the circuit board 200. In actual use, the circuit board 200 can be placed on the bearing plate 110 first. Then the device pressing plate 130 is installed on the sliding groove 150 and is slid to a predetermined position and then is pressed and fixed, at this time the device pressing plate 130 can be pressed and positioned on the circuit board 200, which can prevent the circuit board 200 from warping during welding. And the positioning groove 131 on the device pressing plate 130 can correspond to the welding point position on the circuit board 200. After the device pressing plate 130 and the circuit board 200 are positioned, the electronic device 210 is correspondingly loaded into the positioning groove 131, and then welding is performed to realize the welding and fixation of the electronic device 210. Therefore, the electronic device 210 is always supported and positioned by the positioning groove 131 during welding, so that the phenomenon of collapse or displacement of the electronic device 210 during welding can be effectively avoided, and the welding effect is guaranteed.
[0036] In some embodiments, the two side edges of the bearing surface are provided with sliding grooves 150, and the two sliding grooves 150 are parallel to each other, and the two ends of the device pressing plate 130 are respectively slidably assembled in the two sliding grooves 150. Specifically, the device pressing plate 130 can be in the shape of a strip, and the upper and lower side edges of the bearing surface are provided with sliding grooves 150 of the same length, and the two ends of the device pressing plate 130 are respectively assembled in the two sliding grooves 150, so that the two ends of the device pressing plate 130 can be supported by the two sliding grooves 150, the supporting effect is better, and the design of sliding at both ends also ensures the stability and reliability of the sliding process.
[0037] Further, the sliding groove 150 is slidably provided with a sliding block 151, and the end of the device pressing plate 130 is connected to the sliding block 151. Among them, the sliding block 151 is provided in the two sliding grooves 150, and the sliding block 151 can be directly slidably assembled in the sliding groove 150 and prevented from being pulled out by the limiting structure, and the device pressing plate 130 can be slid along the sliding groove 150 under the driving of the sliding block 151, so as to realize the adjustment of the position and ensure that the positioning groove 131 on the device pressing plate 130 can be aligned with the welding point position of the electronic device 210.
[0038] In some embodiments, the end of the device pressing plate 130 is provided with a connecting shaft 133, a positioning insertion hole 153 is formed on the sliding block 151, and the connecting shaft 133 is correspondingly assembled in the positioning insertion hole 153. Specifically, the connecting shaft 133 can be assembled in the positioning insertion hole 153 in interference, so as to be fixed. After the welding is completed, the connecting shaft 133 can also be pulled out of the sliding block 151, so as to facilitate the removal of the circuit board 200. Of course, in other preferable embodiments of the present application, the device pressing plate 130 and the sliding block 151 can also be connected in other manners, for example, the connecting shaft 133 is arranged on the sliding block 151, and the positioning insertion hole 153 is formed on the device pressing plate 130, which can also realize the positioning between the device pressing plate 130 and the sliding block 151 in the horizontal direction.
[0039] In some embodiments, the connecting shaft 133 is integrally arranged on the bottom side surface of the device pressing plate 130 and extends downward, and the length of the connecting shaft 133 is less than or equal to the depth of the positioning insertion hole 153. Specifically, the connecting shaft 133 protrudes downward, and the length of the connecting shaft 133 is the same as or less than the depth of the positioning insertion hole 153, so as to ensure that the connecting shaft 133 is completely inserted into the positioning insertion hole 153 in the extreme case, and thus the device pressing plate 130 can be pressed on the circuit board 200, and the side wall of the positioning groove 131 can only abut against the lower half of the electronic device 210. Preferably, the length of the connecting shaft 133 is the same as the depth of the positioning insertion hole 153, so as to ensure the plug-in fixing effect as much as possible.
[0040] In some embodiments, the length of the sliding groove 150 is greater than the length of the device pressing plate 130. Specifically, the length of the sliding groove 150 refers to the length in the extending direction, i.e. the length in the moving direction of the device pressing plate 130, and the length of the device pressing plate 130 refers to the length perpendicular to the direction of the sliding groove 150, i.e. the length perpendicular to the moving direction of the device pressing plate 130.
[0041] In some embodiments, the carrying plate 110 is also provided with a giving opening 111, the giving opening 111 is located between the two sliding grooves 150, the device pressing plate 130 is arranged on the giving opening 111, and the giving opening 111 is used for exposing the circuit board 200. Specifically, the giving opening 111 penetrates the carrying plate 110 and can expose the back surface of the circuit board 200 in a large area, so as to facilitate the welding of the electronic device 210 from the back surface.
[0042] In some embodiments, the device pressing plate 130 is provided with a plurality of positioning grooves 131, which are arranged on the same line along the extension direction of the device pressing plate 130. Preferably, the device pressing plate 130 can be provided with six positioning grooves 131, so as to realize multi-point positioning and fixation of the welding of the electronic devices 210. The number and interval positions of the positioning grooves 131 can be set according to the welding point positions on the circuit board 200, which is not limited herein.
[0043] It is worth noting that the widths of the plurality of positioning grooves 131 are the same, so as to limit the positions of the electronic devices 210 of the same size. In other preferable embodiments of the present application, the shapes of the plurality of positioning grooves 131 are adapted to the shapes of the electronic devices 210 on the circuit board 200, and the widths of the plurality of positioning grooves 131 gradually increase along the extension direction of the device pressing plate 130, so as to be applicable to electronic devices 210 of different sizes and have better applicability.
[0044] In some embodiments, the thickness of the device pressing plate 130 is smaller than the thickness of the bearing plate 110, and the thickness of the device pressing plate 130 is smaller than the height of the electronic device 210. Specifically, the thickness of the device pressing plate 130 is smaller than the height of the electronic device 210, so as to ensure that the side walls of the positioning grooves 131 abut against the lower half side walls of the electronic devices 210 and reduce the contact area between the side walls of the positioning grooves 131 and the electronic devices 210.
[0045] In summary, the device welding and fixing jig 100 provided by the embodiments of the present application is provided with the sliding groove 150 at the edge of the bearing plate 110, at least one end of the device pressing plate 130 is slidingly assembled in the sliding groove 150 and can slide along the sliding groove 150, and the positioning gap for the circuit board 200 to pass through is formed between the device pressing plate 130 and the bearing surface, and the positioning grooves 131 are further formed in the device pressing plate 130, which are used to correspond to the welding point positions on the circuit board 200, so that the electronic devices 210 on the circuit board 200 are positioned at the welding point positions by the positioning insertion holes 153 and welded. Compared with the prior art, the present application can realize the positioning of the electronic devices 210 on the circuit board 200 by using the positioning grooves 131 on the device pressing plate 130, so that the electronic devices 210 can be positioned at the welding point positions and then welded, thereby avoiding the collapse or displacement of the devices during the welding process and ensuring the welding effect.
[0046] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application.
Claims
1. A device soldering fixture, characterized by, The device pressing plate is slidably assembled in the sliding groove and can slide along the sliding groove, and a positioning gap for the circuit board to pass through is formed between the device pressing plate and the bearing surface.
2. The device welding fixture of claim 1, wherein Both side edges of the bearing surface are provided with sliding grooves, and the two sliding grooves are parallel to each other.
3. The device welding fixture according to claim 1 or 2, wherein A sliding block is slidably arranged in the sliding groove, and the end of the device pressing plate is connected to the sliding block.
4. The device soldering fixture of claim 3, wherein The end of the device pressing plate is provided with a connecting shaft, and the sliding block is provided with a positioning insertion hole.
5. The device soldering fixture of claim 4, wherein The connecting shaft is integrally arranged on the bottom surface of the device pressing plate and extends downward, and the length of the connecting shaft is less than or equal to the depth of the positioning insertion hole.
6. The device welding fixture of claim 3, wherein The length of the sliding groove is greater than the length of the device pressing plate.
7. The device welding fixture of claim 2, wherein The bearing plate is also provided with a gap opening between the two sliding grooves, the device pressing plate is arranged on the gap opening, and the gap opening is used to expose the circuit board.
8. The device welding fixture of claim 1, wherein, The device pressing plate is provided with a plurality of positioning grooves, and the plurality of positioning grooves are distributed on the same straight line along the extension direction of the device pressing plate.
9. The device welding fixture of claim 8, wherein, The shape of the plurality of positioning grooves is adapted to the shape of the electronic device on the circuit board, and the width of the plurality of positioning grooves gradually increases along the extension direction of the device pressing plate.
10. The device welding fixture of claim 8, wherein, The thickness of the device pressing plate is less than the thickness of the bearing plate, and the thickness of the device pressing plate is less than the height of the electronic device.