Clamp tool capable of being rotationally adjusted
By designing a rotatable and adjustable fixture, the angular deviation between the sensor probe and the PCB board was solved, thus improving the reliability and accuracy of aging tests.
Patent Information
- Application Number
- CN202423247662.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The sensor probe and the PCB board have a small angular deviation due to manual soldering, which affects the aging test results.
A rotatable and adjustable fixture tooling was designed, including an upper rotating body assembly, a lower base assembly, a rotating shaft, and a probe plate guide assembly. The semi-finished PCBA is clamped by a pull ring spring rod, and the angle between the upper rotating body and the lower base is adjusted by high-head knurled screws to ensure reliable contact between the probe and the pad.
It eliminates the angular deviation between the probe and the PCB board, avoids damage to the PCB board caused by component deformation, and ensures the accuracy of aging tests.
Smart Images

Figure CN223883609U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fixture tool, in particular to a rotatable adjustable fixture tool. TECHNICAL BACKGROUND
[0002] At present, the sensor needs to carry out aging test to semi-finished product pcba before shell packaging, due to the manual welding of the sensing probe of part model sensor to pcb board, the consistency of manual welding is poor, leading to the existence of small angle deviation between sensing probe and pcb board, which will cause the sensing probe to be unable to sense connection during aging test, and affect the aging test result. SUMMARY
[0003] The utility model discloses a rotatable adjustable fixture tool, which solves the problem of small angle deviation between the sensing probe and the pcb board caused by manual welding of the sensing probe of the sensor.
[0004] The technical solution of the utility model discloses a rotatable adjustable fixture tool, which solves the problem of small angle deviation between the sensing probe and the pcb board caused by manual welding of the sensing probe of the sensor.
[0005] A rotatable adjustable fixture tool, characterized in that it comprises an upper rotating body assembly, a lower base assembly, a rotating shaft, and a probe plate guide assembly.
[0006] The upper rotating body assembly comprises an upper rotating body, a pull ring spring rod, and a high-head knurled screw, one end of the upper rotating body is connected to one end of the lower base assembly through the rotating shaft, and the other end of the upper rotating body assembly is adjusted and displaced from the other end of the lower base assembly through the high-head knurled screw.
[0007] The semi-finished product pcba is placed on the upper rotating body and clamped by two opposite pull ring spring rods.
[0008] The probe plate guide assembly is installed on the top of the upper rotating body assembly, and comprises a guide buckle seat, a probe plate, and a fixing screw.
[0009] Further, the rotating shaft is used to connect the upper rotating body assembly and the lower base assembly, the high-head knurled screw supports the upper rotating body and the lower base, and the rotation amplitude between the upper rotating body and the lower base can be adjusted by turning the high-head knurled screw.
[0010] Further, the lower base assembly comprises a lower base and a base fixing screw, and the lower base is fixed to a user-made base plate through the base fixing screw.
[0011] Further, the upper rotating body front part middle axis position is provided with a semicircular slot for mounting a semi-finished product pcba probe.
[0012] Further, the upper rotating body top front end position is provided with a square slot for separating components welded on the semi-finished product pcba circuit board.
[0013] Further, the upper rotating body top middle end position leads out a guide column and a buckle fixing position upward for mounting a probe plate guide assembly.
[0014] Further, the guide buckle seat top is provided with a square slot and a screw hole for mounting a probe plate.
[0015] Further, the lower base bottom surface is provided with a cross-shaped square slot for mounting a base fixing screw.
[0016] Further, the upper rotating body and the lower base are both made of aluminum alloy.
[0017] Compared with the prior art, the utility model has the following remarkable advantages:
[0018] 1. The small angle deviation between the probe and the pcb plate caused by manual welding of the sensor sensing probe is eliminated.
[0019] 2. The damage of the pcb plate caused by device deformation during aging test is eliminated by adopting the pull ring spring rod clamping mode. DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model;
[0021] Figure 2 It is an upper rotating body assembly structure schematic view of the utility model;
[0022] Figure 3 It is a lower base assembly structure schematic view of the utility model;
[0023] Figure 4 It is a probe plate guide assembly structure schematic view of the utility model;
[0024] Figure 5 It is a schematic view of the utility model upper rotating body and lower base generating a positive angle;
[0025] Figure 6 It is a schematic view of the utility model upper rotating body and lower base generating a negative angle;
[0026] In the drawing, 1 is an upper rotating body, 2 is a lower base, 3 is a guide buckle seat, 4 is a high head knurled screw, 5 is a probe plate, 6 is a probe plate fixing screw, 7 is a pull ring spring rod, 8 is a base fixing screw, and 9 is a rotating shaft. DETAILED DESCRIPTION
[0027] The utility model makes further conclusion in combination with the drawings and specific examples:
[0028] In combination with Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the technical scheme of the utility model is described. A rotatable adjustable clamp tool includes an upper rotating body assembly, a lower base assembly, a rotating shaft, a probe plate guide assembly, wherein the upper rotating body assembly includes an upper rotating body, a pull ring spring rod, a high head knurled screw, one end of the upper rotating body is connected to one end of the lower base assembly through the rotating shaft, the other end of the upper rotating body assembly is adjusted and displaced from the other end of the lower base assembly through the high head knurled screw, a semi-finished product pcba is placed on the upper rotating body, and the semi-finished product pcba is clamped through two opposite pull ring spring rods, the probe plate guide assembly is installed on the top of the upper rotating body assembly, the probe plate guide assembly includes a guide buckle seat, a probe plate and a fixing screw, the probe plate is fixed on the guide buckle seat through the fixing screw, the guide buckle seat is fixed and guided through the guide column of the upper rotating body, and the guide buckle seat is tightly connected with the buckle connection seat on the upper rotating body through the buckles on the two sides of the guide buckle seat, so that the probe plate reliably contacts the solder pad on the semi-finished product pcba. The rotating shaft is used for connecting the upper rotating body assembly and the lower base assembly, the high head knurled screw supports the upper rotating body and the lower base, and the high head knurled screw can make the upper rotating body and the lower base rotate at a certain angle. The lower base assembly includes a lower base and a base fixing screw, and the lower base is fixed with a user-made bottom plate through the base fixing screw. The rotating shaft is used for connecting the upper rotating body assembly and the lower base assembly, the high head knurled screw supports the upper rotating body and the lower base, and the high head knurled screw can make the upper rotating body and the lower base rotate at a certain angle, so that the sensor sensing probe face on the semi-finished product pcba can always be perpendicular to the bottom surface.
[0029] A semicircular slot is left at the central axis position of the front part of the upper rotating body, and is used for installing a semi-finished product pcba probe.
[0030] A square slot is left at the top front end position of the upper rotating body, and is used for separating components welded on the circuit board of the semi-finished product pcba.
[0031] Four guide columns and two buckle fixing positions are led upward at the middle end position of the top of the upper rotating body, and are used for installing the probe plate guide assembly.
[0032] A square slot and a screw hole are left at the top of the guide buckle seat, and are used for installing the probe plate.
[0033] A cross-shaped square slot is left at the bottom surface of the lower base, and is used for installing the base fixing screw.
[0034] The upper rotating body and the lower base are both made of aluminum alloy.
[0035] The upper rotating body 1 is connected with the lower base 2 through the rotating shaft 9, the lower base 2 is fixed on the user-made bottom plate through the base fixing screw 8, the two pull ring spring rods 7 are fixed in the left and right threaded holes of the upper rotating body 1 and pull the pull ring to clamp and fix the semi-finished product pcba, the probe plate 5 is fixed on the guide buckle seat 3 through the probe plate fixing screw 6, the guide buckle seat 3 is inserted through the guide column on the upper rotating body 2 and is buckled and fixed, the high-head knurled screw 4 is screwed according to the deviation angle of the semi-finished product pcba inductive probe, so that the inductive probe is kept flush with the front part of the lower base 2. Specifically, in the embodiment, the specification of the high-head knurled screw 4 is M4*25mm, the specification of the pull ring spring rod 7 is M6*1.0-3, the diameter of the semicircular slot in the front part of the upper rotating body 1 is 12mm, and the upper rotating body 1 and the lower base 2 have a rotating range of ±5°.
[0036] The above is a detailed description of the present application in combination with specific embodiments, and the present application cannot be limited to these descriptions. For those skilled in the art to which the present application belongs, without departing from the concept of the present application, equivalent replacement or equivalent transformation can also be used to form a technical solution, which should be within the protection scope of the appended claims of the present application.
Claims
1. A rotatably adjustable clamp fixture, characterized by: Including the upper swivel assembly, the lower base assembly, the rotating shaft, the probe plate guide assembly; wherein, The upper swivel assembly includes an upper swivel, a pull ring spring rod, and a high head knurled screw. One end of the upper swivel is connected to one end of the lower base assembly through the rotating shaft. The other end of the upper swivel assembly is adjusted and displaced from the other end of the lower base assembly through the high head knurled screw. The semi-finished pcba is placed on the upper swivel and clamped by two opposite pull ring spring rods. The probe plate guide assembly is installed on the top of the upper swivel assembly. The probe plate guide assembly includes a guide buckle seat, a probe plate, and a fixing screw. The probe plate is fixed on the guide buckle seat through the fixing screw. The guide buckle seat is fixed and guided through the guide column of the upper swivel. The guide buckle seat is tightly connected with the buckle on the upper swivel through the buckles on both sides of the guide buckle seat, ensuring reliable contact between the probe and the solder pad on the semi-finished pcba.
2. A pivotally adjustable clamp tool according to claim 1, wherein: The rotating shaft is used to connect the upper swivel assembly and the lower base assembly. The high head knurled screw supports the upper swivel and the lower base. Twisting the high head knurled screw can make the upper swivel and the lower base rotate at a certain angle.
3. The pivotally adjustable clamp fixture of claim 1, wherein: The lower base assembly includes a lower base and a base fixing screw. The lower base is fixed with the user-made bottom plate through the base fixing screw.
4. The pivotally adjustable clamp fixture of claim 1, wherein: A semicircular slot is left in the front central axis position of the upper swivel for installing the semi-finished pcba probe.
5. The pivotally adjustable clamp tool of claim 1, wherein: A square slot is left in the top front end position of the upper swivel for separating the components welded on the semi-finished pcba circuit board.
6. The pivotally adjustable clamp fixture of claim 1, wherein: A guide column and a buckle fixing position are led upward in the middle end position of the top of the upper swivel for installing the probe plate guide assembly.
7. The pivotally adjustable clamp tool of claim 1, wherein: A square slot and a screw hole are left in the top of the guide buckle seat for installing the probe plate.
8. The pivotally adjustable clamp fixture of claim 3, wherein: A cross-shaped square slot is left on the bottom surface of the lower base for installing the base fixing screw.
9. The pivotally adjustable clamp tool of claim 1, wherein: The upper swivel and the lower base are both made of aluminum alloy.