Stud skew test fixture

Abstract

The utility model discloses a stud skew test fixture, and relates to the PCBA test fixture technical field, the stud skew test fixture comprises a pedestal used for placing a PCBA and fixing the PCBA; and the fixed detection block structure is installed at the upper part of one side of the base, and the fixed detection block structure detects the skew of the stud through a detection block capable of moving up and down. According to the utility model, the detection block capable of vertically moving up and down is arranged, and the skew of the stud can be judged according to whether the stud can be sleeved into the detection hole in the detection block; when the stud can enter the detection hole of the detection block, the inclination angle of the stud is within a standard range, and if the stud cannot enter the detection hole of the detection block, the stud belongs to an over-standard defective product; the test fixture is simple in structure, convenient to operate and high in accuracy.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PCBA test fixture technical field, specifically relates to stud skew test fixture. BACKGROUND

[0002] PCB adopts electronic printing technique to make, is important electronic component in electronic industry, is the support body of electronic component, is the carrier of electronic component connection. PCB generally refers to empty printed circuit board, and PCBA refers to the finished product board formed after various electronic components are assembled on the PCB through surface mounting technology process.

[0003] After searching, a PCBA test fixture is disclosed in Chinese patent (CN115113023A). The PCBA test fixture comprises: a base for placing a PCBA to be tested, at least one PCB A fixing stud for fixing the PCBA to be tested on the base, a first rotary connection table fixed on the base, a stand, and at least one clamping mechanism for fixing a test connector; the lower end of the stand is connected to the first rotary connection table so as to be vertically fixed above the base in a horizontally rotatable manner relative to the base, and the clamping mechanism is fixed to the upper end of the stand in a manner adjustable relative to the vertical position of the stand. The PCBA test fixture can simultaneously clamp and fix multiple test connectors of different shapes; the position of the PCBA on the test table can be adjusted and fixed at will as needed; it brings convenience to PCBA testing and improves testing efficiency.

[0004] However, the test fixture cannot test the skew of the fixing stud of the test fixture. Therefore, we have designed a stud skew test fixture. Utility model content

[0005] The utility model aims at the problem that the existing PCBA test fixture cannot test the skew of the fixing stud of the test fixture, and provides a stud skew test fixture.

[0006] The utility model is implemented through the following technical solutions:

[0007] The stud skew test fixture comprises a base, the base is used for placing a PCBA and fixing it;

[0008] The fixing detection block structure is installed on the upper part of one side of the base, and the fixing detection block structure detects the skew of the stud through the detection block movable up and down.

[0009] As a preferred implementation form of the stud skew test fixture provided by the utility model, the fixed detection block structure comprises a support frame, symmetrical slide rails are arranged on the front surface of the support frame, a sliding block is arranged on each slide rail, the upper end of the detection block is fixedly installed on the two sliding blocks through two mounting seats, and detection holes are arranged at the two ends of the detection block.

[0010] In use, the detection block can be moved up and down to perform vertical movement, and when the stud can enter the detection hole of the detection block, it indicates that the inclination angle of the stud is within the standard, and if the stud cannot enter the detection hole of the detection block, it is an out-of-standard defective product.

[0011] As a preferred implementation form of the stud skew test fixture provided by the utility model, the upper end surface of the base is provided with a stud insertion hole at the lower end of the detection block.

[0012] As a preferred implementation form of the stud skew test fixture provided by the utility model, the centers of the stud insertion hole and the detection hole are on the same vertical line.

[0013] As a preferred implementation form of the stud skew test fixture provided by the utility model, the upper end surface of the base is provided with a stud insertion hole at the lower end of the detection block.

[0014] As a preferred implementation form of the stud skew test fixture provided by the utility model, the centers of the stud insertion hole and the detection hole are on the same vertical line.

[0015] As a preferred implementation form of the stud skew test fixture provided by the utility model, the front surface of the support frame is provided with a magnet block in the middle of the two slide rails, and the detection block is made of ferrous material; when the detection block is moved upward, the magnet block can adsorb and fix the detection block.

[0016] As a preferred implementation form of the stud skew test fixture provided by the utility model, the back surface of the support frame is provided with a reinforcing rib plate at the lower part, and the reinforcing rib plate is in a triangular structure and is used for reinforcing the support stability of the support frame.

[0017] As a preferred implementation form of the stud skew test fixture provided by the utility model, the upper end surface of the base is further provided with a mounting groove for fixing the support frame.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The utility model discloses a testing fixture for the oblique test of stud, which comprises a base, a fixed detection block structure, a calibration rod and a calibration hole.

[0020] The utility model discloses a setting double slide rail to fix detection block, greatly increased the stability and the accuracy of detection of device.

[0021] The utility model discloses a setting calibration rod and calibration hole can check the levelness of detection block to guarantee the accuracy of detection. DRAWINGS

[0022] Fig. 1 It is the structural diagram of the testing fixture for the oblique test of stud;

[0023] Fig. 2 It is the structural diagram of the fixed detection block structure of the testing fixture for the oblique test of stud;

[0024] Fig. 3 It is the structural diagram of the base of the testing fixture for the oblique test of stud;

[0025] Fig. 4 It is the side view of the testing fixture for the oblique test of stud.

[0026] Marked number in the drawing: 1, base;2, fixed detection block structure;3, calibration rod;

[0027] Mounting groove;102, stud insertion hole;103, calibration rod insertion hole;

[0028] 201, support frame;202, slide rail;203, sliding block;204, mounting seat;205, detection block;206, calibration hole;207, detection hole;208, magnet block;209, reinforcing rib plate. DETAILED DESCRIPTION

[0029] In order to make the personnel in the technical field better understand the utility model scheme, below will combine the drawing in the embodiment of the utility model, and the technical scheme in the embodiment of the utility model is described clearly and completely, obviously, the described embodiment only is the embodiment of a part of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making the creative labor should belong to the scope of the protection of the utility model.

[0030] As described in the background art, the existing PCBA testing fixture cannot test the oblique test of fixed stud of testing fixture.

[0031] In order to solve this technical problem, the utility model provides a kind of stud skew test fixture, it is applied to PCBA test fixture technical field.

[0032] Embodiment 1

[0033] Specifically, please refer to Figs. 1-4 , stud skew test fixture, including base 1, base 1 is used to place PCBA, and it is fixed;Fixed detection block structure 2, fixed detection block structure 2 is installed on the upper portion of one side of base 1, and fixed detection block structure 2 detects the skew of stud by detection block 205 that can move up and down.

[0034] Using the detection block 205 that can move up and down vertically, whether the detection hole 207 on the detection block 205 can be fitted into stud is judged to judge the skew of stud.

[0035] Please refer to Figs. 1-4 , stud skew test fixture, including base 1, base 1 is used to place PCBA, and it is fixed;Fixed detection block structure 2, fixed detection block structure 2 is installed on the upper portion of one side of base 1, and fixed detection block structure 2 detects the skew of stud by detection block 205 that can move up and down.

[0036] Wherein, fixed detection block structure 2 includes support frame 201, and the front surface of support frame 201 is symmetrically provided with slide rail 202, and slide block 203 is slidably arranged on each slide rail 202, and the upper end of detection block 205 is fixedly installed on two slide blocks 203 through two mounting seats 204, and both ends of detection block 205 are provided with detection hole 207.

[0037] The back surface of support frame 201 is provided with reinforcing rib plate 209, and the reinforcing rib plate is in triangular structure, for reinforcing the support stability of support frame 201.

[0038] The upper end surface of base 1 is further provided with mounting groove 101 for fixing support frame 201;The upper end surface of base 1 is provided with stud insertion hole 102 at both sides of the lower end of detection block 205.The center of stud insertion hole 102 and detection hole 207 is on the same vertical line.

[0039] When using, PCBA is fixed in stud insertion hole 102 through stud, and vertical motion is carried out by up and down poking detection block 205, when stud can enter the detection hole 207 of detection block 205, it is explained that the inclination angle of stud is within standard, if it cannot enter the detection hole 207 of detection block 205, it is the substandard defective product of belonging to.

[0040] Embodiment 2

[0041] The stud skew test fixture provided in embodiment 1 is further optimized, specifically, please refer to Figs. 1-3The jig further comprises a check rod 3, and the upper end surface of the base 1 is provided with a check rod insertion hole 103 at both sides of the lower end of the detection block 205, and both ends of the detection block 205 are further provided with check holes 206. The centers of the check rod insertion hole 103 and the check hole 206 are on the same vertical line.

[0042] In use, the two check rods 3 are inserted into the check rod insertion hole 103, and the detection block 205 is pushed up and down to perform vertical movement, and when the check rod 3 can enter the check rod insertion hole 103 of the detection block 205, it indicates that the detection block 205 is horizontal, and if the check rod 3 cannot enter the check rod insertion hole 103 of the detection block 205, it indicates that the detection block 205 is skewed and needs to be checked before use.

[0043] Embodiment 3

[0044] The stud skew test jig provided in Embodiment 1 or Embodiment 2 is further optimized, and specifically, refer to Figs. 1-2 The front surface of the support frame 201 is provided with a magnet block 208 in the middle of the two slide rails 202, and the detection block 205 is made of ferrous material, and when the detection block 205 is pushed up, the magnet block 208 can adsorb and fix the detection block 205.

[0045] The detection block 205 is fixed on the support frame 201 by the adsorption of the magnet block 208, so as to avoid that the movable detection block 205 affects the operation during installation operation.

[0046] The use process of the stud skew test jig provided in the utility model is as follows:

[0047] First, the device is checked, the two check rods 3 are inserted into the check rod insertion hole 103, and the detection block 205 is pushed up and down to perform vertical movement, and when the check rod 3 can enter the check rod insertion hole 103 of the detection block 205, it indicates that the detection block 205 is horizontal;

[0048] Then, the test is performed, the PCBA is placed on the base 1 and fixed by the stud, the detection block 205 is pushed up and down to perform vertical movement, and when the stud can enter the detection hole 207 of the detection block 205, it indicates that the tilt angle of the stud is within the standard, and if the stud cannot enter the detection hole 207 of the detection block 205, it belongs to the substandard defective product.

[0049] The utility model discloses a detection block 205 that can vertically move up and down, and whether the stud can be sleeved in the detection hole 207 on the detection block 205 is used to judge the skew of the stud, and when the stud can enter the detection hole 207 of the detection block 205, it indicates that the tilt angle of the stud is within the standard, and if the stud cannot enter the detection hole 207 of the detection block 205, it belongs to the substandard defective product.

[0050] The utility model discloses a double slide rail 202 is set up to fix detection block 205, and the stability of device and the accuracy of detection are greatly increased.

[0051] The utility model discloses a check bar 3 and check hole 206 can be set up, and the levelness of detection block 205 can be checked, thereby guaranteeing the accuracy of detection.

[0052] It should be noted that in this document, relationship terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying that these entities or actions are in any way actually related or ordered in time. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement "includes one or more of a list of elements" does not preclude the existence of additional elements in the process, method, article, or apparatus that are not expressly listed or inherent to such process, method, article, or apparatus.

[0053] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A stud misalignment testing fixture, characterized in that, include: A base (1) is used to place and fix the PCBA. The fixed detection block structure (2) is installed on the upper side of the base (1). The fixed detection block structure (2) detects the skewness of the stud through the up-and-down movable detection block (205).

2. The stud misalignment testing fixture according to claim 1, characterized in that, The fixed detection block structure (2) includes a support frame (201). The support frame (201) has symmetrical slide rails (202) on both sides of its front side, and each slide rail (202) has a slider (203) slidably mounted on it. The upper end of the detection block (205) is fixedly mounted on the two sliders (203) by two mounting seats (204). Both ends of the detection block (205) are provided with detection holes (207).

3. The stud misalignment testing fixture according to claim 2, characterized in that, The upper end face of the base (1) is provided with stud holes (102) on both sides of the lower end of the detection block (205).

4. The stud misalignment testing fixture according to claim 3, characterized in that, The centers of the stud hole (102) and the detection hole (207) are on the same vertical line.

5. The stud misalignment testing fixture according to claim 2, characterized in that, It also includes a calibration rod (3), and the upper end of the base (1) is provided with calibration rod insertion holes (103) on both sides of the lower end of the detection block (205), and the two ends of the detection block (205) are also provided with calibration holes (206).

6. The stud misalignment testing fixture according to claim 5, characterized in that, The centers of the verification rod socket (103) and the verification hole (206) are on the same vertical line.

7. The stud misalignment testing fixture according to claim 2, characterized in that, The front of the support frame (201) is provided with a magnet (208) located between the two slide rails (202). The detection block (205) is made of iron material. When the detection block (205) is pushed upward, the magnet (208) can attract and fix the detection block (205).

8. The stud misalignment testing fixture according to claim 2, characterized in that, The lower back of the support frame (201) is provided with a reinforcing rib (209), which has a triangular structure and is used to enhance the support stability of the support frame (201).

9. The stud misalignment testing fixture according to claim 2, characterized in that, The upper surface of the base (1) is also provided with a mounting groove (101) for fixing the support frame (201).

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