Capacitor test clamp tool
By designing capacitor test fixture tools, efficient, low-cost loading and quality inspection of a variety of patch capacitors is achieved, and the problems of low manual loading efficiency and high machine loading cost in the prior art are solved.
Patent Information
- Application Number
- CN202421912086.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The charging process of existing patch capacitors has problems such as low efficiency, inaccuracy and high cost, and fast automatic loading of machines but high cost.
A capacitor test fixture tool is designed, including circuit board component assembly and chip assembly assembly, which can adaptively fix patch capacitors of multiple long and short models in batches, and achieve close contact with patch capacitors through adaptive thimble assembly, combining the quality detection function of the circuit board.
It improves the loading efficiency, reduces costs, enhances the accuracy of loading, reduces waiting preheating time, and improves production efficiency.
Smart Images

Figure CN223229635U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of capacitor testing, and in particular relates to a capacitor testing fixture. Background Art
[0002] Chip capacitors have test and soldering points on both sides. Currently, chip capacitor loading is mostly done manually or by automated machines. Chip capacitors are small and come in many varieties. Manual loading is time-consuming and strains the eyes, and the loading process can cause the capacitors to tilt or be placed sideways. Automated loading machines are faster but more expensive.
[0003] Designing tooling to address these issues requires solving problems such as slow and inefficient manual loading and inaccurate loading. Utility Model Content
[0004] (1) Technical issues to be resolved
[0005] In view of the existing technical problems, the utility model provides a capacitor test fixture tool.
[0006] (2) Technical solution
[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:
[0008] A capacitor test fixture assembly includes: a circuit board component assembly and a chip mounting fixture assembly;
[0009] The chip mounting fixture assembly can adaptively fix chip capacitors of various lengths and sizes in batches;
[0010] The circuit board component assembly can be detachably connected to the chip mounting tool assembly;
[0011] The circuit board component assembly can perform quality inspection on batch chip capacitors on the chip mounting tool assembly.
[0012] Preferably, the circuit board component assembly comprises: a circuit board, a circuit board reinforcement plate, a plurality of connecting rods and positioning rods;
[0013] Wherein, the circuit board is provided with a plurality of connecting rod mounting holes and positioning rod mounting holes;
[0014] The circuit board reinforcement plate is arranged on the back side of the circuit board;
[0015] The screws can pass through the mounting holes of the circuit board reinforcement plate and the connecting rod of the circuit board and be fixedly connected to the connecting rod, so as to achieve a fixed connection between the circuit board reinforcement plate and the circuit board and to fix the connecting rod to the circuit board;
[0016] The screws can pass through the positioning rod mounting holes of the circuit board reinforcement plate and the circuit board and be fixedly connected to the positioning rod, so as to achieve a fixed connection between the circuit board reinforcement plate and the circuit board and fix the positioning rod on the circuit board.
[0017] Preferably, the wafer loading fixture assembly comprises: a base, an adaptive ejector assembly and a loading plate;
[0018] The loading plate is detachably mounted on the base;
[0019] The adaptive ejector pin assembly is arranged on the base and is located between the base and the loading plate;
[0020] The ejector pins of the adaptive ejector pin assembly can be inserted into the loading plate and can adapt to the chip capacitors of various lengths in the loading plate to achieve close contact with the chip capacitors of different lengths, thereby avoiding poor contact due to the different lengths of the chip capacitors.
[0021] Preferably, the base has a plurality of ejector pin mounting holes;
[0022] The number of the ejector pin mounting holes matches the chip capacitor loading holes on the loading plate.
[0023] Preferably, the adaptive ejector assembly comprises: a plurality of ejector springs, a plurality of ejector pins and a pressure cover;
[0024] The number of the ejector springs corresponds to the number of the ejector pins and the number of the ejector mounting holes;
[0025] The ejector pin should be installed on the ejector spring;
[0026] The ejector spring and the ejector are placed in the ejector mounting hole;
[0027] The gland is provided with a plurality of perforations;
[0028] The plurality of ejector pins can pass through the gland through the plurality of through-holes;
[0029] The pressure cover is arranged on the base corresponding to the ejector pin and is connected to the base by screws;
[0030] The number of the ejector pin mounting holes matches the chip capacitor loading holes on the loading plate.
[0031] Preferably, the adaptive ejector assembly further comprises: a plurality of T-shaped nails;
[0032] The base is provided with a plurality of T-shaped nail mounting holes;
[0033] The T-shaped nail is arranged in the T-shaped nail installation hole;
[0034] The loading plate passes through the ejector pin and is placed flush with the gland;
[0035] The loading plate is connected to the T-shaped nails by means of screws.
[0036] Preferably, the adaptive ejector assembly further comprises: a plurality of floating springs;
[0037] The base is provided with a plurality of floating spring holes;
[0038] The floating spring is arranged in the floating spring hole and can pass through the pressure cover to achieve floating support of the charging plate.
[0039] Preferably, the back of the base is further provided with a screw hole for mounting a slider;
[0040] The slider can be slidably mounted on the base by means of screws and the slider mounting screw holes.
[0041] Preferably, the base is further provided with a positioning hole and a connecting rod through-hole;
[0042] The connecting rod on the circuit board can pass through the connecting rod through-holes of the charging plate, the pressure cover and the base in sequence;
[0043] The positioning rod on the circuit board can pass through the positioning holes of the charging plate, the pressure cover and the base in sequence.
[0044] Preferably, a slot is provided on the end of the connecting rod;
[0045] The slider can slide and be clamped on the clamping slot to fixedly connect the circuit board component assembly and the chip mounting tool assembly.
[0046] (3) Beneficial effects
[0047] 1. The tooling has a simple structure and is easy to operate.
[0048] 2. High disassembly efficiency;
[0049] 3. Low cost, with the advantages of being able to replace the loading plate according to different products to ensure its shape variability, improve efficiency, and reduce waiting time for preheating. BRIEF DESCRIPTION OF THE DRAWINGS
[0050] Figure 1 A schematic structural diagram of a circuit board of a capacitor test fixture provided by the present invention;
[0051] Figure 2 The utility model provides a side structural schematic diagram of a circuit board of a capacitor test fixture tooling;
[0052] Figure 3 A cross-sectional view of the assembly of a charging plate and a bottom plate of a capacitor test fixture provided by the present invention;
[0053] Figure 4 A top view of a loading plate of a capacitor test fixture provided by the present invention;
[0054] Figure 5 A cross-sectional view of a loading plate of a capacitor test fixture provided by the present invention;
[0055] Figure 6 A top view of the base of a capacitor test fixture provided by the present invention;
[0056] Figure 7 A cross-sectional view of the base of a capacitor test fixture provided by the present invention;
[0057] Figure 8 A top view of a gland of a capacitor test fixture provided by the present invention;
[0058] Figure 9 The utility model provides an exploded view of a capacitor test fixture.
[0059] [Description of Reference Numerals]
[0060] 1: Circuit board; 2: Circuit board reinforcement plate; 3: Connecting rod; 4: Positioning rod; 5: Line marker; 6: Loading plate; 7: Pressure cover; 8: Base; 9: Slider; 10: T-nail; 11: Floating spring; 12: Ejector spring; 13: Ejector; 14: Connecting rod through hole; 15: Positioning hole. DETAILED DESCRIPTION
[0061] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.
[0062] like Figure 1 This embodiment discloses a capacitor test fixture comprising a circuit board assembly and a chip mounting fixture assembly. The chip mounting fixture assembly is capable of adaptively securing chip capacitors of various lengths and sizes in batches. The circuit board assembly is detachably connected to the chip mounting fixture assembly. The circuit board assembly is capable of performing quality inspection on batches of chip capacitors mounted on the chip mounting fixture assembly.
[0063] The circuit board component assembly in this embodiment includes: a circuit board 1 , a circuit board reinforcement plate 2 , a plurality of connecting rods 3 and positioning rods 4 .
[0064] Among them, the circuit board 1 is provided with a plurality of connecting rod mounting holes and positioning rod mounting holes; the circuit board reinforcement plate 2 is arranged on the back of the circuit board 1; the screws can pass through the circuit board reinforcement plate 2 and the connecting rod mounting holes of the circuit board 1, and be fixedly connected to the connecting rod 3, so as to realize the fixed connection between the circuit board reinforcement plate 2 and the circuit board 1, and fix the connecting rod 3 on the circuit board 1.
[0065] The screws can pass through the positioning rod mounting holes of the circuit board reinforcement plate 2 and the circuit board 1 and be fixedly connected to the positioning rod 4, so as to achieve a fixed connection between the circuit board reinforcement plate 2 and the circuit board 1, and to fix the positioning rod 4 on the circuit board 1.
[0066] Specifically, the chip loading tooling assembly comprises a base 8, an adaptive ejector pin assembly, and a loading plate 6; the loading plate 6 is detachably mounted on the base 8. The adaptive ejector pin assembly is disposed on the base 8 and positioned between the base 8 and the loading plate 6. The ejector pins of the adaptive ejector pin assembly can be inserted into the loading plate 6 and adapt to various lengths of chip capacitors within the loading plate 6, achieving close contact with these chip capacitors and preventing poor contact due to varying chip capacitor lengths.
[0067] In this embodiment, the base 8 has a plurality of ejector pin mounting holes; the number of the ejector pin mounting holes matches the chip capacitor loading holes on the loading plate 6 .
[0068] The adaptive ejector assembly includes: a plurality of ejector springs 12, a plurality of ejector pins 13, and a pressure cover 7. The number of ejector springs 12 corresponds to the number of ejector pins 13 and the number of ejector pin mounting holes; the ejector pins 13 are correspondingly mounted on the ejector springs 12. The ejector springs 12 and the ejector pins 13 are placed in the ejector pin mounting holes; the pressure cover 7 has a plurality of through-holes; the plurality of ejector pins 13 can pass through the pressure cover 7 through the plurality of through-holes; the pressure cover 7 is arranged on the base 8 corresponding to the ejector pins 13 and is connected to the base 8 by screws; the number of the ejector pin mounting holes matches the chip capacitor loading holes on the loading plate 6.
[0069] The adaptive ejector assembly further includes: a plurality of T-shaped nails 10; a plurality of T-shaped nail mounting holes are provided on the base 8; the T-shaped nails 10 are arranged in the T-shaped nail mounting holes; the loading plate 6 passes through the ejector pins 13 and is placed flush with the pressure cover 7; the loading plate 6 is connected to the T-shaped nails 10 by means of screws.
[0070] The adaptive ejector assembly in this embodiment further includes: a plurality of floating springs 11; a plurality of floating spring holes are provided on the base 8; the floating springs 11 are arranged in the floating spring holes and can pass through the pressure cover 7 to achieve floating support for the loading plate 6.
[0071] The back of the base 8 is also provided with a slider mounting screw hole; the slider 9 can be slidably mounted on the base 8 by means of screws and the slider mounting screw hole.
[0072] In detail, the base 8 is also provided with a positioning hole 15 and a connecting rod through-hole 14; the connecting rod 3 on the circuit board 1 can pass through the charging plate 6, the pressure cover 7 and the connecting rod through-hole 14 of the base 8 in sequence; the positioning rod 4 on the circuit board 1 can pass through the positioning hole 15 of the charging plate 6, the pressure cover 7 and the base 8 in sequence.
[0073] In this embodiment, a slot is provided on the end of the connecting rod 3 ; the slider 9 can slide and be clamped on the slot to fixedly connect the circuit board component assembly and the chip mounting tool assembly.
[0074] Specifically, in this embodiment, the chip mounting tool is composed of a circuit board component assembly and a chip mounting tool assembly.
[0075] The circuit board component assembly consists of a circuit board 1, a circuit board reinforcement plate 2, a connecting rod 3, a positioning rod 4 and screws.
[0076] Screws are sequentially passed through the circuit board reinforcement plate 2, the circuit board 1, the connecting rod 3 and the positioning rod 4 to connect and fix them to form a circuit board component assembly.
[0077] The loading fixture assembly consists of a loading plate 6, an ejector pin 13, a pressure cover 7, an ejector spring 12, a floating spring 11, a T-shaped nail 10, a base 8, a slider 9 and screws.
[0078] Place the ejector spring 12, floating spring 11, and T-shaped nail 10 into the corresponding holes in the base 8 in sequence. Install the ejector 13 on the ejector spring 12. Pass the gland 7 through the ejector 13 and place it flush with the base 8. Connect the gland 7 to the base 8 with screws. Pass the loading plate 6 through the ejector 13 and place it flush with the gland 7. Connect the loading plate 6 to the T-shaped nail 10 with screws to secure it. Pass the screws through the slider 9 and connect it to the base 8. The tightness ensures the slider can slide normally.
[0079] Place the chip capacitors one by one into the loading plate 6, with the chip loading fixture assembly facing upward. Insert the connecting rods 3 in the circuit board assembly into the corresponding holes in the chip loading fixture assembly, and push the slider 9 into the corresponding slots in the connecting rods 3 to securely connect the circuit board assembly to the chip loading fixture assembly. The elastic force of the ejector spring 12 ensures that the ejector pin 13 is in close contact with one side of the chip capacitor, preventing poor contact caused by the different lengths of the chip capacitors, which could affect the test results.
[0080] Insert the connection end of the circuit board in the chip mounting tool into the corresponding connection slot for testing. If the chip capacitors are found to be non-compliant with the electrical performance after testing, the non-compliant products can be picked out by the line mark 5 on the circuit board 1.
[0081] The above description of the technical principles of the present invention in conjunction with specific embodiments is intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific implementations of the present invention without inventive effort, and such implementations will fall within the scope of protection of the present invention.
Claims
1. A capacitor test fixture, characterized in that: include: Circuit board component assembly and chip mounting tool assembly; The chip mounting fixture assembly can adaptively fix chip capacitors of various lengths and sizes in batches; The circuit board component assembly can be detachably connected to the chip mounting tool assembly; The circuit board component assembly can perform quality inspection on batch chip capacitors on the chip mounting tool assembly.
2. The fixture according to claim 1, characterized in that: The circuit board component assembly comprises: a circuit board, a circuit board reinforcement plate, a plurality of connecting rods and positioning rods; Wherein, the circuit board is provided with a plurality of connecting rod mounting holes and positioning rod mounting holes; The circuit board reinforcement plate is arranged on the back side of the circuit board; The screws can pass through the mounting holes of the circuit board reinforcement plate and the connecting rod of the circuit board and be fixedly connected to the connecting rod, so as to achieve a fixed connection between the circuit board reinforcement plate and the circuit board and to fix the connecting rod to the circuit board; The screws can pass through the positioning rod mounting holes of the circuit board reinforcement plate and the circuit board and be fixedly connected to the positioning rod, so as to achieve a fixed connection between the circuit board reinforcement plate and the circuit board and fix the positioning rod on the circuit board.
3. The fixture according to claim 2, characterized in that: The wafer loading fixture assembly includes: a base, an adaptive ejector assembly and a loading plate; The loading plate is detachably mounted on the base; The adaptive ejector pin assembly is arranged on the base and is located between the base and the loading plate; The ejector pins of the adaptive ejector pin assembly can be inserted into the loading plate and can adapt to the chip capacitors of various lengths in the loading plate to achieve close contact with the chip capacitors of different lengths, thereby avoiding poor contact due to the different lengths of the chip capacitors.
4. The fixture according to claim 3, characterized in that: The base is provided with a plurality of ejector pin mounting holes; The number of the ejector pin mounting holes matches the chip capacitor loading holes on the loading plate.
5. The fixture according to claim 4, characterized in that: The adaptive ejector assembly includes: a plurality of ejector springs, a plurality of ejector pins and a pressure cover; The number of the ejector springs corresponds to the number of the ejector pins and the number of the ejector mounting holes; The ejector pin should be installed on the ejector spring; The ejector spring and the ejector are placed in the ejector mounting hole; The gland is provided with a plurality of perforations; The plurality of ejector pins can pass through the gland through the plurality of through-holes; The pressure cover is arranged on the base corresponding to the ejector pin and is connected to the base via screws.
6. The fixture according to claim 5, characterized in that: The adaptive ejector pin assembly further includes: a plurality of T-shaped pins; The base is provided with a plurality of T-shaped nail mounting holes; The T-shaped nail is arranged in the T-shaped nail installation hole; The loading plate passes through the ejector pin and is placed flush with the gland; The loading plate is connected to the T-shaped nails by means of screws.
7. The fixture according to claim 6, characterized in that: The adaptive ejector assembly further includes: a plurality of floating springs; The base is provided with a plurality of floating spring holes; The floating spring is arranged in the floating spring hole and can pass through the pressure cover to achieve floating support of the charging plate.
8. The fixture according to claim 7, characterized in that: The back of the base is also provided with a screw hole for mounting a slider; The slider can be slidably mounted on the base by means of screws and the slider mounting screw holes.
9. The fixture according to claim 8, characterized in that: The base is also provided with a positioning hole and a connecting rod through-hole; The connecting rod on the circuit board can pass through the connecting rod through-holes of the charging plate, the pressure cover and the base in sequence; The positioning rod on the circuit board can pass through the positioning holes of the charging plate, the pressure cover and the base in sequence.
10. The fixture according to claim 9, characterized in that: A clamping slot is provided on the end of the connecting rod; The slider can slide and be clamped on the clamping slot to fixedly connect the circuit board component assembly and the chip mounting tool assembly.