CN221960195U - Circuit board detection clamp - Google Patents
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Abstract
Description
技术领域Technical Field
本实用新型涉及线路板检测技术领域，尤其涉及一种线路板检测夹具。The utility model relates to the technical field of circuit board detection, in particular to a circuit board detection fixture.
背景技术Background Art
线路板是电子元器件电气连接的承载者，广泛应用于电气领域。因此线路板的质量很重要，所以在对于线路板检测时，需要采用检测的夹具对其进行固定，从而便于线路板进行质量检测。Circuit boards are the carriers of electrical connections for electronic components and are widely used in the electrical field. Therefore, the quality of circuit boards is very important. Therefore, when testing circuit boards, it is necessary to use a testing fixture to fix them, so as to facilitate the quality inspection of circuit boards.
经检索，专利公告号为CN218099310U的专利，公开了“一种印制电路板测试夹具”，包括PCB测试夹具工作台，PCB测试夹具工作台的上表面一侧边缘处固定安装有支撑架，支撑架的下端设置有电动伸缩杆，电动伸缩杆的输出端螺纹安装有测试顶针组件，PCB测试夹具工作台的上方设置有切换装置，切换装置包括十字架、组装块、转动轴、固定座、PCB放置座和防转装置。该装置能够适应对不同规格PCB板的定位放置，有利于实现单个测试夹具对不同规格PCB板测试的目的，适应对更多规格的PCB放置座进行更换。After searching, the patent with the patent announcement number CN218099310U discloses "a printed circuit board test fixture", including a PCB test fixture workbench, a support frame is fixedly installed at the edge of one side of the upper surface of the PCB test fixture workbench, an electric telescopic rod is arranged at the lower end of the support frame, and a test ejector assembly is threadedly installed at the output end of the electric telescopic rod, and a switching device is arranged above the PCB test fixture workbench, and the switching device includes a cross, an assembly block, a rotating shaft, a fixed seat, a PCB placement seat and an anti-rotation device. The device can adapt to the positioning and placement of PCB boards of different specifications, which is conducive to achieving the purpose of testing PCB boards of different specifications with a single test fixture, and is suitable for replacing PCB placement seats of more specifications.
现有技术中，在测试时待测电路板与转机电路板之间通过导线电性连接，并将电路板放置在承载机构上，但是，没有对待测电路板进行限位固定，导致在测试过程中人员误触、设备抖动等情况都会造成电路板出现晃动、抖动，影响待测电路板与转接电路板之间的电性连接。In the prior art, during testing, the circuit board to be tested is electrically connected to the adapter circuit board through a wire, and the circuit board is placed on a supporting mechanism. However, the circuit board to be tested is not limited and fixed, resulting in the circuit board shaking and jittering due to accidental touch by personnel and shaking of equipment during the test, thus affecting the electrical connection between the circuit board to be tested and the adapter circuit board.
实用新型内容Utility Model Content
本实用新型的目的是提供一种线路板检测夹具，该线路板检测夹具大大提高了电路板的位置精度，避免了电路板在测试过程中晃动的情况，改善了电路板放置的稳定性，从而提高了测试过程中电连接的可靠性。The utility model aims to provide a circuit board detection fixture, which greatly improves the position accuracy of the circuit board, avoids the shaking of the circuit board during the test, improves the stability of the circuit board placement, and thus improves the reliability of the electrical connection during the test.
为达到上述目的，本实用新型采用的技术方案是：一种线路板检测夹具，设置在转接电路板的上方并用于待测电路板安装，包括：电路板放置架，在所述电路板放置架的上方间隔设置有两个卡位板，且在电路板放置架上且垂直于卡位板的长度方向开设有一通槽，其中一个卡位板固定安装在所述电路板放置架的上表面，另一个与驱动机构连接的卡位板设置在所述通槽的上方；To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a circuit board detection fixture, which is arranged above the transfer circuit board and is used for installing the circuit board to be tested, comprising: a circuit board placement rack, two card plates are arranged above the circuit board placement rack at intervals, and a through groove is opened on the circuit board placement rack and perpendicular to the length direction of the card plates, one of the card plates is fixedly installed on the upper surface of the circuit board placement rack, and the other card plate connected to the driving mechanism is arranged above the through groove;
沿所述卡位板的长度方向间隔开设有两个滑槽，在两个卡位板的相对侧均设置有一与滑槽滑动连接的卡位架，位于同一个卡位架上的两个卡位架相对设置，且所述卡位架螺纹连接有一压紧螺钉。Two slide grooves are arranged at intervals along the length direction of the positioning plate, and a positioning frame slidably connected to the slide groove is arranged on the opposite sides of the two positioning plates. The two positioning frames on the same positioning frame are arranged oppositely, and the positioning frame is threadedly connected with a clamping screw.
上述技术方案中进一步改进的方案如下：The further improved scheme in the above technical scheme is as follows:
1. 上述方案中，所述卡位架包括：水平部、竖直部，且水平部固定安装在竖直部的上端，该竖直部的下端与滑槽之间通过一支撑板滑动连接。1. In the above solution, the positioning frame includes: a horizontal part and a vertical part, and the horizontal part is fixedly mounted on the upper end of the vertical part, and the lower end of the vertical part is slidably connected to the slide groove via a support plate.
2. 上述方案中，所述压紧螺钉螺纹安装在所述水平部的中央位置。2. In the above solution, the clamping screw thread is installed at the central position of the horizontal part.
3. 上述方案中，位于所述滑槽的内部固定安装有一导条，且所述支撑板开设有与导条配合的导向槽。3. In the above solution, a guide bar is fixedly installed inside the slide groove, and the support plate is provided with a guide groove cooperating with the guide bar.
4. 上述方案中，所述电路板放置架包括支撑腿、放置台，若干个所述支撑腿的上端共同连接有以水平方式设置的所述放置台。4. In the above solution, the circuit board placement rack includes support legs and a placement table, and the upper ends of a plurality of the support legs are commonly connected to the placement table arranged in a horizontal manner.
由于上述技术方案的运用，本实用新型与现有技术相比具有下列优点：Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:
本实用新型线路板检测夹具，其通过将待测电路板放置在两个卡位板之间，并通过两个卡位板上的四个卡位架分别对电路板上的四个拐角进行固定，并通过压紧螺钉对电路板进行压紧，接着通过控制驱动机构驱动卡位板移动，从而两个卡位板、四个卡位架共同将电路板夹紧限位，在适应不同规格的电路板进行固定的基础上，大大提高了电路板的位置精度，避免了电路板在测试过程中晃动的情况，改善了电路板放置的稳定性，从而提高了测试过程中电连接的可靠性。The utility model provides a circuit board detection fixture, which places the circuit board to be tested between two clamping plates, and fixes four corners of the circuit board respectively by four clamping frames on the two clamping plates, and clamps the circuit board by clamping screws, and then drives the clamping plates to move by controlling a driving mechanism, so that the two clamping plates and the four clamping frames clamp the circuit board together to limit the position, and on the basis of adapting to fixing circuit boards of different specifications, greatly improves the position accuracy of the circuit board, avoids the situation that the circuit board shakes during the test process, improves the stability of the circuit board placement, and thus improves the reliability of the electrical connection during the test process.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
附图1为本实用新型线路板检测夹具的结构示意图；Figure 1 is a schematic diagram of the structure of the circuit board detection fixture of the utility model;
附图2为本实用新型线路板检测夹具的局部结构示意图；Figure 2 is a schematic diagram of the partial structure of the circuit board detection fixture of the utility model;
附图3为本实用新型线路板检测夹具的局部结构分解示意图。FIG3 is a schematic diagram of the partial structural decomposition of the circuit board detection fixture of the utility model.
以上附图中：1、电路板放置架；2、放置台；3、支撑腿；4、卡位板；5、卡位架；6、水平部；7、竖直部；8、手轮；9、固定板；10、转轴；11、丝杠；12、移动板；13、连接板；14、导杆；15、通槽；16、滑槽；17、导向槽；18、支撑板；19、导条；20、压紧螺钉。In the above drawings: 1. circuit board placement rack; 2. placement table; 3. support legs; 4. positioning plate; 5. positioning rack; 6. horizontal part; 7. vertical part; 8. hand wheel; 9. fixed plate; 10. rotating shaft; 11. lead screw; 12. movable plate; 13. connecting plate; 14. guide rod; 15. through groove; 16. slide groove; 17. guide groove; 18. support plate; 19. guide strip; 20. clamping screw.
实施方式Implementation
通过下面给出的具体实施例可以进一步清楚地了解本专利，但它们不是对本专利的限定。The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.
实施例1：一种线路板检测夹具，设置在转接电路板的上方并用于待测电路板安装，包括：电路板放置架1，在所述电路板放置架1的上方间隔设置有两个卡位板4，且在电路板放置架1上且垂直于卡位板4的长度方向开设有一通槽15，其中一个卡位板4固定安装在所述电路板放置架1的上表面，另一个与驱动机构连接的卡位板4设置在所述通槽15的上方；Embodiment 1: A circuit board detection fixture, arranged above a transfer circuit board and used for installing a circuit board to be tested, comprises: a circuit board placement frame 1, two positioning plates 4 are arranged above the circuit board placement frame 1 at intervals, and a through slot 15 is provided on the circuit board placement frame 1 and perpendicular to the length direction of the positioning plates 4, wherein one positioning plate 4 is fixedly mounted on the upper surface of the circuit board placement frame 1, and the other positioning plate 4 connected to a driving mechanism is arranged above the through slot 15;
沿所述卡位板4的长度方向间隔开设有两个滑槽16，在两个卡位板4的相对侧均设置有一与滑槽16滑动连接的卡位架5，位于同一个卡位架5上的两个卡位架5相对设置，且所述卡位架5螺纹连接有一压紧螺钉20；Two slide grooves 16 are provided at intervals along the length direction of the clamping plate 4, and a clamping frame 5 slidably connected to the slide groove 16 is provided on opposite sides of the two clamping plates 4, and two clamping frames 5 located on the same clamping frame 5 are arranged opposite to each other, and a clamping screw 20 is threadedly connected to the clamping frame 5;
将待测试电路板放置在电路板放置架的放置台表面，转动手轮驱使转轴带动丝杠转动，进而驱使移动板运动，进而通过连接板驱使活动设置的卡位板运动，使得两个卡位板均贴合在待测试电路板两侧，停止转动手轮，扶着支撑板带动卡位架运动，使得卡位架贴合在待测试电路板侧面后拧入压紧螺钉进行压紧固定，从而实现待测试电路板的固定。Place the circuit board to be tested on the placement table surface of the circuit board placement rack, turn the handwheel to drive the rotating shaft to drive the lead screw to rotate, and then drive the movable plate to move, and then drive the movable clamping plate to move through the connecting plate, so that the two clamping plates are both fitted on both sides of the circuit board to be tested, stop turning the handwheel, hold the support plate to drive the clamping rack to move, so that the clamping rack fits on the side of the circuit board to be tested, and then screw in the clamping screws to clamp and fix it, thereby fixing the circuit board to be tested.
上述卡位架5包括：水平部6、竖直部7，且水平部6固定安装在竖直部7的上端，该竖直部7的下端与滑槽16之间通过一支撑板18滑动连接。The positioning frame 5 comprises a horizontal portion 6 and a vertical portion 7 , wherein the horizontal portion 6 is fixedly mounted on the upper end of the vertical portion 7 , and the lower end of the vertical portion 7 is slidably connected to the slide slot 16 via a support plate 18 .
上述压紧螺钉20螺纹安装在上述水平部6的中央位置。The clamping screw 20 is threadedly installed at the center position of the horizontal portion 6 .
位于上述滑槽16的内部固定安装有一导条19，且上述支撑板18开设有与导条19配合的导向槽17。A guide bar 19 is fixedly installed inside the slide groove 16 , and the support plate 18 is provided with a guide groove 17 that cooperates with the guide bar 19 .
上述电路板放置架1包括支撑腿3、放置台2，若干个上述支撑腿3的上端共同连接有以水平方式设置的上述放置台2。The circuit board placement rack 1 comprises support legs 3 and a placement platform 2, and the upper ends of a plurality of the support legs 3 are commonly connected to the placement platform 2 which is arranged in a horizontal manner.
上述驱动机构包括：位于电路板放置架1下方的移动板12、与移动板12螺纹连接的丝杠11、安装在电路板放置架1的下表面的固定板9，间隔设置的两个上述固定板9之间设置有上述移动板12，且上述丝杠11的两端分别通过一转轴10与固定板9转动连接。The driving mechanism includes: a movable plate 12 located below the circuit board placement rack 1, a lead screw 11 threadedly connected to the movable plate 12, and a fixed plate 9 installed on the lower surface of the circuit board placement rack 1. The movable plate 12 is arranged between the two fixed plates 9 arranged at intervals, and the two ends of the lead screw 11 are rotatably connected to the fixed plate 9 through a rotating shaft 10 respectively.
在上述移动板12与卡位板4之间且位于通槽15内部设置有一连接板13。A connecting plate 13 is disposed between the moving plate 12 and the locking plate 4 and inside the through slot 15 .
其中一个上述转轴10能够贯穿固定板9并连接有一手轮8，利用手轮驱使转轴转动，转轴带动丝杠转动，进而驱使移动板运动，从而通过连接板驱使活动设置的电路板卡位板运动，进而可以根据电路板规格大小对两个电路板卡位板之间距离进行调节，适用于不同规格大小的电路板卡紧固定。One of the above-mentioned rotating shafts 10 can pass through the fixed plate 9 and is connected to a handwheel 8. The handwheel is used to drive the rotating shaft to rotate, and the rotating shaft drives the screw to rotate, thereby driving the movable plate to move, thereby driving the movable circuit board clamping plate to move through the connecting plate, and then the distance between the two circuit board clamping plates can be adjusted according to the size of the circuit board, which is suitable for clamping and fixing circuit boards of different sizes.
实施例2：一种线路板检测夹具，设置在转接电路板的上方并用于待测电路板安装，包括：电路板放置架1，在所述电路板放置架1的上方间隔设置有两个卡位板4，且在电路板放置架1上且垂直于卡位板4的长度方向开设有一通槽15，其中一个卡位板4固定安装在所述电路板放置架1的上表面，另一个与驱动机构连接的卡位板4设置在所述通槽15的上方；Embodiment 2: A circuit board detection fixture, arranged above a transfer circuit board and used for installing a circuit board to be tested, comprises: a circuit board placement rack 1, two positioning plates 4 are arranged above the circuit board placement rack 1 at intervals, and a through slot 15 is provided on the circuit board placement rack 1 and perpendicular to the length direction of the positioning plates 4, wherein one positioning plate 4 is fixedly mounted on the upper surface of the circuit board placement rack 1, and the other positioning plate 4 connected to a driving mechanism is arranged above the through slot 15;
沿所述卡位板4的长度方向间隔开设有两个滑槽16，在两个卡位板4的相对侧均设置有一与滑槽16滑动连接的卡位架5，位于同一个卡位架5上的两个卡位架5相对设置，且所述卡位架5螺纹连接有一压紧螺钉20；Two slide grooves 16 are provided at intervals along the length direction of the clamping plate 4, and a clamping frame 5 slidably connected to the slide groove 16 is provided on opposite sides of the two clamping plates 4, and two clamping frames 5 located on the same clamping frame 5 are arranged opposite to each other, and a clamping screw 20 is threadedly connected to the clamping frame 5;
通过将待测电路板放置在两个卡位板之间，并通过两个卡位板上的四个卡位架分别对电路板上的四个拐角进行固定，并通过压紧螺钉对电路板进行压紧，接着通过控制驱动机构驱动卡位板移动，从而两个卡位板、四个卡位架共同将电路板夹紧限位，在适应不同规格的电路板进行固定的基础上，大大提高了电路板的位置精度，避免了电路板在测试过程中晃动的情况，改善了电路板放置的稳定性，从而提高了测试过程中电连接的可靠性。The circuit board to be tested is placed between two clamping plates, and the four clamping frames on the two clamping plates are used to fix the four corners of the circuit board respectively, and the circuit board is clamped by clamping screws, and then the clamping plates are driven to move by controlling the driving mechanism, so that the two clamping plates and the four clamping frames jointly clamp the circuit board to limit the position, which greatly improves the positioning accuracy of the circuit board on the basis of adapting to the fixation of circuit boards of different specifications, avoids the shaking of the circuit board during the test, improves the stability of the circuit board placement, and thus improves the reliability of the electrical connection during the test.
上述卡位架5包括：水平部6、竖直部7，且水平部6固定安装在竖直部7的上端，该竖直部7的下端与滑槽16之间通过一支撑板18滑动连接。The positioning frame 5 comprises a horizontal portion 6 and a vertical portion 7 , wherein the horizontal portion 6 is fixedly mounted on the upper end of the vertical portion 7 , and the lower end of the vertical portion 7 is slidably connected to the slide slot 16 via a support plate 18 .
上述压紧螺钉20螺纹安装在上述水平部6的中央位置。The clamping screw 20 is threadedly installed at the center position of the horizontal portion 6 .
位于上述滑槽16的内部固定安装有一导条19，且上述支撑板18开设有与导条19配合的导向槽17。A guide bar 19 is fixedly installed inside the slide groove 16 , and the support plate 18 is provided with a guide groove 17 that cooperates with the guide bar 19 .
上述电路板放置架1包括支撑腿3、放置台2，若干个上述支撑腿3的上端共同连接有以水平方式设置的上述放置台2。The circuit board placement rack 1 comprises support legs 3 and a placement platform 2, and the upper ends of a plurality of the support legs 3 are commonly connected to the placement platform 2 which is arranged in a horizontal manner.
上述驱动机构包括：位于电路板放置架1下方的移动板12、与移动板12螺纹连接的丝杠11、安装在电路板放置架1的下表面的固定板9，间隔设置的两个上述固定板9之间设置有上述移动板12，且上述丝杠11的两端分别通过一转轴10与固定板9转动连接。The driving mechanism includes: a movable plate 12 located below the circuit board placement rack 1, a lead screw 11 threadedly connected to the movable plate 12, and a fixed plate 9 installed on the lower surface of the circuit board placement rack 1. The movable plate 12 is arranged between the two fixed plates 9 arranged at intervals, and the two ends of the lead screw 11 are rotatably connected to the fixed plate 9 through a rotating shaft 10 respectively.
在上述移动板12与卡位板4之间且位于通槽15内部设置有一连接板13。A connecting plate 13 is disposed between the moving plate 12 and the locking plate 4 and inside the through slot 15 .
其中一个上述转轴10能够贯穿固定板9并连接有一手轮8，利用手轮驱使转轴转动，转轴带动丝杠转动，进而驱使移动板运动，从而通过连接板驱使活动设置的电路板卡位板运动，进而可以根据电路板规格大小对两个电路板卡位板之间距离进行调节，适用于不同规格大小的电路板卡紧固定。One of the above-mentioned rotating shafts 10 can pass through the fixed plate 9 and is connected to a handwheel 8. The handwheel is used to drive the rotating shaft to rotate, and the rotating shaft drives the screw to rotate, thereby driving the movable plate to move, thereby driving the movable circuit board clamping plate to move through the connecting plate, and then the distance between the two circuit board clamping plates can be adjusted according to the size of the circuit board, which is suitable for clamping and fixing circuit boards of different sizes.
位于两个上述固定板9之间设置有一导杆14，且移动板12与此导杆14滑动套装连接，导杆可以对移动板进行支撑导正，提升移动板的运动稳定性，避免出现晃动倾斜。A guide rod 14 is provided between the two fixed plates 9, and the movable plate 12 is slidably connected to the guide rod 14. The guide rod can support and guide the movable plate, thereby improving the movement stability of the movable plate and avoiding shaking and tilting.
上述导杆14设置有两个，且两个导杆14关于丝杠11对称设置。There are two guide rods 14 , and the two guide rods 14 are symmetrically arranged with respect to the lead screw 11 .
本实用新型工作原理如下：The working principle of the utility model is as follows:
使用时，将待测试电路板放置在电路板放置架的放置台表面，转动手轮驱使转轴带动丝杠转动，进而驱使移动板运动，进而通过连接板驱使活动设置的卡位板运动，使得两个卡位板均贴合在待测试电路板两侧，停止转动手轮，扶着支撑板带动卡位架运动，使得卡位架贴合在待测试电路板侧面后拧入压紧螺钉进行压紧固定，从而实现待测试电路板的固定。When in use, place the circuit board to be tested on the placement table surface of the circuit board placement rack, turn the handwheel to drive the rotating shaft to drive the lead screw to rotate, and then drive the movable plate to move, and then drive the movably arranged clamping plate to move through the connecting plate, so that the two clamping plates are both fitted on both sides of the circuit board to be tested, stop turning the handwheel, hold the supporting plate to drive the clamping rack to move, so that the clamping rack is fitted on the side of the circuit board to be tested, and then screw in the clamping screw to clamp and fix it, thereby fixing the circuit board to be tested.
采用上述线路板检测夹具时，其通过将待测电路板放置在两个卡位板之间，并通过两个卡位板上的四个卡位架分别对电路板上的四个拐角进行固定，并通过压紧螺钉对电路板进行压紧，接着通过控制驱动机构驱动卡位板移动，从而两个卡位板、四个卡位架共同将电路板夹紧限位，在适应不同规格的电路板进行固定的基础上，大大提高了电路板的位置精度，避免了电路板在测试过程中晃动的情况，改善了电路板放置的稳定性，从而提高了测试过程中电连接的可靠性。When the above-mentioned circuit board detection fixture is used, the circuit board to be tested is placed between two clamping plates, and the four clamping frames on the two clamping plates are used to fix the four corners of the circuit board respectively, and the circuit board is clamped by clamping screws, and then the clamping plates are driven to move by controlling the driving mechanism, so that the two clamping plates and the four clamping frames jointly clamp the circuit board to limit the position, which greatly improves the positioning accuracy of the circuit board on the basis of adapting to the fixation of circuit boards of different specifications, avoids the shaking of the circuit board during the test, improves the stability of the circuit board placement, and thus improves the reliability of the electrical connection during the test.
上述实施例只为说明本实用新型的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本实用新型的内容并据以实施，并不能以此限制本实用新型的保护范围。凡根据本实用新型精神实质所作的等效变化或修饰，都应涵盖在本实用新型的保护范围之内。The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420292534.5U CN221960195U (en) | 2024-02-18 | 2024-02-18 | Circuit board detection clamp |
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