Vacuum reflow soldering tool clamp for special-shaped receiving module substrate

Abstract

The utility model provides a vacuum reflow soldering tool clamp for a special-shaped receiving module substrate. A special-shaped receiving module is accurately positioned through a small ejector block assembly and a small stop block assembly. And the height-dimensional special-shaped receiving module is fixed at a preset height by rotating the stand column lock catch assembly, so that the firmness degree of the device is enhanced. By means of the structure of the clamp, flexible positioning and fixing of the special-shaped workpiece are achieved, and the clamp has enough strength. The technical problem that the special-shaped workpiece is difficult to position is solved, the production quality and consistency are greatly improved, and the production, management and maintenance cost of the clamp is greatly reduced.

Description

Technical Field

[0001] This application relates to the field of vacuum reflow soldering equipment technology, and in particular to a vacuum reflow soldering fixture for irregularly shaped receiving module substrates. Background Technology

[0002] The receiver module is a crucial component of communication, navigation, and identification systems, and its high performance requirements ensure flight safety. The substrate within the receiver module is the primary carrier of microwave signal transmission. The industry commonly employs brazing to mount the high-frequency substrate into the product cavity to achieve good heat dissipation and grounding performance. Currently, the substrate brazing of a certain model of transmitter module uses manual welding. Manual welding has the following disadvantages: the quality of manual welding is affected by the worker's skill and experience; for inexperienced workers, welding quality is difficult to guarantee; manual welding requires painstaking manual operation, which is slow and affects production quality; and when large-scale manual welding is required, it is difficult to ensure the stability of welding quality.

[0003] Therefore, there is an urgent need for a vacuum reflow soldering fixture for irregularly shaped receiver module substrates. Utility Model Content

[0004] The purpose of this invention is to provide a vacuum reflow soldering fixture for irregularly shaped receiver module substrates, used to fix irregularly shaped receiver modules. This device solves the problem of difficulty in fixing irregularly shaped devices, improves production efficiency, and ensures welding quality. The specific technical solution is as follows:

[0005] This utility model provides a vacuum reflow soldering fixture for irregularly shaped receiver module substrates. The fixture includes: a base plate, a pressure plate seat, a pressure plate cover, a small top block assembly, a small stop block assembly, and a rotating column locking assembly.

[0006] The base plate is located at the bottom and has multiple grooves for placing irregularly shaped receiving modules. The lower end of the rotating column locking assembly is mounted on the base plate, and the upper end of the rotating column locking assembly is fixed to the pressure plate seat, which is used to place solder sheets and substrates. The pressure plate cover is mounted on the pressure plate seat to fix the substrate.

[0007] The small top block assembly is disposed on the base plate for fixing the irregularly shaped receiving module, and the small stop block assembly is disposed on the base plate for fixing the irregularly shaped receiving module.

[0008] In another embodiment of this utility model, the rotating column locking assembly includes: a rotating top end, a connecting nut, and a fixing nut;

[0009] The rotating top is an irregularly shaped screw, the nut part is a cuboid, and the bottom end is a threaded bolt; the connecting nut is a bolt with a threaded hole; the fixing nut has a threaded hole at the upper end and a bolt at the lower end.

[0010] In another embodiment of this utility model, the small top block assembly includes: a housing, an elastic component, and a movable protrusion;

[0011] The housing has an internal cavity for accommodating the elastic component and the movable protrusion. One end of the movable protrusion is located inside the cavity, and the other end protrudes outside the cavity. The protruding part of the movable protrusion is used to fix the irregular receiving module.

[0012] In another embodiment of this utility model, the small stop assembly includes: a fixed end and a movable end;

[0013] The fixed end is fixed to the base plate, and the movable end is disposed on the fixed end for contacting the irregular receiving module.

[0014] In another embodiment of this utility model, the pressure plate seat is provided with an irregular groove, and the outside of the irregular groove is provided with multiple screw holes.

[0015] In another embodiment of this utility model, the pressure plate cover is provided with a plurality of grooves, and the grooves are provided corresponding to the grooves of the pressure plate seat.

[0016] In another embodiment of the present invention, the clamp further includes a pin pressing block assembly.

[0017] In another embodiment of the present invention, the ejector pin assembly includes a top and a fixing part; the top is provided with a shaped nut; the fixing part is movably connected to the top, and a bolt is provided at the bottom end, which is fixed to the base plate by the bolt.

[0018] In another embodiment of this utility model, the base plate is a cuboid.

[0019] In another embodiment of this utility model, the clamp is used to fix the irregular receiving module.

[0020] The beneficial effects of this utility model are as follows:

[0021] This invention provides a vacuum reflow soldering fixture for irregularly shaped receiving module substrates. The fixture precisely positions the irregularly shaped receiving module using a small top block assembly and a small stop block assembly. A rotating column locking assembly secures the irregularly shaped receiving module at a preset height, enhancing the robustness of the device. This fixture's structure enables flexible positioning and fixation of irregularly shaped workpieces while maintaining sufficient strength. It solves the technical problem of difficult positioning of irregularly shaped workpieces, greatly improving production quality and consistency while significantly reducing the production, management, and maintenance costs of the fixture. Attached Figure Description

[0022] Figure 1 A top view of the assembly of a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0023] Figure 2 This is an assembly side view of a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0024] Figure 3 An exploded view of a vacuum reflow soldering fixture for an irregularly shaped receiver module;

[0025] Figure 4 A perspective view of a vacuum reflow soldering fixture for an irregularly shaped receiver module;

[0026] Figure 5 A schematic diagram of a rotating column locking assembly for a vacuum reflow soldering fixture for an irregularly shaped receiving module.

[0027] Figure 6 A schematic diagram of a small top block component of a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0028] Figure 7 A schematic diagram of a small stop component in a vacuum reflow soldering fixture for an irregularly shaped receiver module;

[0029] Figure 8 A schematic diagram of the ejector pin clamping block assembly of a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0030] Figure 9 An irregularly shaped ejector pin for a vacuum reflow soldering fixture for an irregularly shaped receiver module;

[0031] Figure 10 A schematic diagram of a pressure plate seat for a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0032] Figure 11 A schematic diagram of the pressure plate cover of a vacuum reflow soldering fixture for an irregularly shaped receiving module;

[0033] Figure 12 This is a schematic diagram of the base plate of a vacuum reflow soldering fixture for an irregularly shaped receiving module.

[0034] The components are as follows: 1. Base plate; 2. Pressure plate seat; 3. Pressure plate cover; 4. Small top block assembly; 5. Small stop block assembly; 6. Rotating column locking assembly; 7. Irregularly shaped ejector pin; 8. Ejector pin pressing block assembly; 41. Housing; 42. Elastic component; 43. Movable protrusion; 51. Fixed end; 52. Movable end; 61. Rotating top end; 62. Connecting nut; 63. Fixing nut. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this application will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments in this specification, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this application without creative effort are within the scope of protection of this document.

[0036] The following combination Figure 1-9 This specification provides a detailed description of the technical solutions provided in each embodiment. Specific Implementation Example 1:

[0038] The purpose of this utility model is to provide a vacuum reflow soldering fixture for receiving modules, which solves the problems of slow speed, poor consistency and unstable quality of existing manual welding.

[0039] A vacuum reflow soldering fixture for an irregularly shaped receiving module includes: a base plate, a small top block assembly, a small stop block assembly, a column locking assembly, a pin pressure block assembly, an irregularly shaped pin, and a pressure plate, wherein the pressure plate is composed of a pressure plate seat and a pressure plate cover.

[0040] The base plate has four automatic top block assemblies around its perimeter, which facilitates the placement of irregularly shaped transmitter modules into the fixture and fixes the modules in place. The base plate has a column locking assembly. After the receiver module is placed in the fixture and the substrate is installed, the cover plate is placed, and the column locking assembly is rotated to connect the cover plate to the base plate. The pressure plate consists of a pressure plate base and a pressure plate cover, which are connected by a spring. After the substrate is installed, the screws are rotated to ensure that each pressure block is in full contact with the substrate, ensuring welding quality and guaranteeing that the void ratio is within acceptable limits.

[0041] Compared to existing manual welding techniques, this fixture uses limiting and spring blocks to achieve vacuum reflow soldering of irregularly shaped receiving module substrates. This greatly improves production quality and consistency while significantly reducing the production, management, and maintenance costs of the fixture, making it highly practical. Specific Implementation Example 2:

[0043] The purpose of this invention is to provide a vacuum reflow soldering fixture for irregularly shaped receiver module substrates, used to fix irregularly shaped receiver modules. This device solves the problem of difficulty in fixing irregularly shaped devices, improves production efficiency, and ensures welding quality. The specific technical solution is as follows:

[0044] This utility model provides a vacuum reflow soldering fixture for irregularly shaped receiver module substrates. The fixture includes: a base plate, a pressure plate seat, a pressure plate cover, a small top block assembly, a small stop block assembly, and a rotating column locking assembly.

[0045] The base plate is located at the bottom and has multiple grooves for placing irregularly shaped receiving modules. The lower end of the rotating column locking assembly is mounted on the base plate, and the upper end of the rotating column locking assembly is fixed to the pressure plate seat, which is used to place solder sheets and substrates. The pressure plate cover is mounted on the pressure plate seat to fix the substrate.

[0046] The small top block assembly is disposed on the base plate for fixing the irregularly shaped receiving module, and the small stop block assembly is disposed on the base plate for fixing the irregularly shaped receiving module.

[0047] In another embodiment of this utility model, the rotating column locking assembly includes: a rotating top end, a connecting nut, and a fixing nut;

[0048] The rotating top is an irregularly shaped screw, the nut part is a cuboid, and the bottom end is a threaded bolt; the connecting nut is a bolt with a threaded hole; the fixing nut has a threaded hole at the upper end and a bolt at the lower end.

[0049] In another embodiment of this utility model, the small top block assembly includes: a housing, an elastic component, and a movable protrusion;

[0050] The housing has an internal cavity for accommodating the elastic component and the movable protrusion. One end of the movable protrusion is located inside the cavity, and the other end protrudes outside the cavity. The protruding part of the movable protrusion is used to fix the irregular receiving module.

[0051] In another embodiment of this utility model, the small stop assembly includes: a fixed end and a movable end;

[0052] The fixed end is fixed to the base plate, and the movable end is disposed on the fixed end for contacting the irregular receiving module.

[0053] In another embodiment of this utility model, the pressure plate seat is provided with an irregular groove, and the outside of the irregular groove is provided with multiple screw holes.

[0054] In another embodiment of this utility model, the pressure plate cover is provided with a plurality of grooves, and the grooves are provided corresponding to the grooves of the pressure plate seat.

[0055] In another embodiment of the present invention, the clamp further includes a pin pressing block assembly.

[0056] In another embodiment of the present invention, the ejector pin assembly includes a top and a fixing part; the top is provided with a shaped nut; the fixing part is movably connected to the top, and a bolt is provided at the bottom end, which is fixed to the base plate by the bolt.

[0057] In another embodiment of this utility model, the base plate is a cuboid.

[0058] In another embodiment of this utility model, the clamp is used to fix the irregular receiving module. Specific Implementation Example 3:

[0060] In practice:

[0061] Step 1: Remove the pressure plate as a whole. The pressure plate consists of a pressure plate base and a pressure plate cover, which are connected by four screws.

[0062] Step 2: Place the irregularly shaped receiving module on the base plate, and fix the irregularly shaped receiving module with the small top block assembly and the small stop block assembly.

[0063] Step 3: Place the pre-formed solder sheet in the module and place the substrate on the solder sheet.

[0064] Step 4: Place the pressure plate back in its original position, rotate the column locking assembly to secure the pressure plate. Rotate the four screws in the middle of the pressure plate base and pressure plate cover to ensure the pressure block evenly covers the substrate.

[0065] Step 5: Place the tooling into the vacuum reflow oven. The total welding time is 25 minutes. After welding, the void ratio meets the requirements.

[0066] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

Claims

1. A vacuum reflow soldering jig for a profiled receiving module substrate, characterized in that The clamp comprises a bottom plate, a pressing plate seat, a pressing plate cover, a small top block assembly, a small block assembly, and a rotating vertical column lock assembly. The bottom plate is arranged at the bottom, and a plurality of grooves are arranged on the bottom plate for placing a special-shaped receiving module; the lower end of the rotating vertical column lock assembly is mounted on the bottom plate, and the upper end of the rotating vertical column lock assembly is fixed with the pressing plate seat for placing a solder sheet and a substrate; the pressing plate cover is mounted on the pressing plate seat for fixing the substrate. The small top block assembly is arranged on the bottom plate for fixing the special-shaped receiving module, and the small block assembly is arranged on the bottom plate for fixing the special-shaped receiving module.

2. A vacuum reflow soldering fixture clamp for a profiled receiving module substrate as claimed in claim 1, characterized in that The rotating vertical column lock assembly comprises a rotating top end, a connecting nut, and a fixing nut. The rotating top end is a special-shaped screw, the screw cap part is a cuboid, and the bottom end is a bolt with threads; the connecting nut is a bolt with a threaded hole; the upper end of the fixing nut is provided with a threaded hole, and the lower end is provided with a bolt.

3. The vacuum reflow soldering fixture for a profiled receiving module substrate as claimed in claim 1, wherein, The small top block assembly comprises a shell, an elastic component, and a movable protrusion. The shell is internally provided with a cavity, and the cavity is internally used for accommodating the elastic component and the movable protrusion; one end of the movable protrusion is arranged inside the cavity, and the other end protrudes outside the cavity; the protruding part of the movable protrusion is used for fixing the special-shaped receiving module.

4. The vacuum reflow soldering fixture clamp for a shaped receiving module substrate as claimed in claim 1, wherein, The small block assembly comprises a fixed end and a movable end. The fixed end is fixed on the bottom plate, and the movable end is arranged on the fixed end and used for contacting the special-shaped receiving module.

5. The vacuum reflow soldering fixture clamp for a profiled receiving module substrate as claimed in claim 1, wherein, The pressing plate seat is provided with a special-shaped groove, and a plurality of screw hole positions are arranged outside the special-shaped groove.

6. A vacuum reflow soldering fixture for a profiled receiving module substrate as claimed in claim 1, wherein, The pressing plate cover is provided with a plurality of grooves corresponding to the grooves of the pressing plate seat.

7. A vacuum reflow soldering fixture for holding a profiled receiving module substrate as claimed in claim 1, wherein, The clamp further comprises a thimble pressing block assembly.

8. A vacuum reflow soldering fixture clamp for a profiled receiving module substrate as claimed in claim 7, wherein, The thimble pressing block assembly comprises a top part and a fixed part; the top part is provided with a special-shaped screw cap; the fixed part is movably connected with the top part, and the bottom end is provided with a bolt fixed on the bottom plate through the bolt.

9. A vacuum reflow soldering fixture for holding a profiled receiving module substrate as claimed in claim 1, wherein, The bottom plate is a cuboid.

10. The vacuum reflow soldering fixture clamp for a profiled receiving module substrate as claimed in claim 1, wherein, The clamp is used for fixing the special-shaped receiving module.

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