Circuit board fixing jig convenient to adjust

Abstract

The utility model relates to circuit board detection technical field especially, more particularly to a kind of circuit board fixing jig of being convenient for adjustment, including placing seat, the adjusting mechanism of being flexibly clamped multiple sizes circuit board is provided on the placing seat, the fixing mechanism that setting is provided on the adjusting mechanism and is pressed down to the fixed circuit board.The utility model is through setting adjusting mechanism, in the process of circuit board production and manufacture, can be through gear drive structure, the circuit board of different sizes is positioned, to improve the adaptability of the device, and in the process of limiting, circuit board can also be protected, prevent in the process of adjustment to the plate body cause scratch, by setting fixing mechanism, the circuit board of limiting can be pressed tightly, ensure that circuit board does not occur displacement or slack in the processing, guarantee its machining accuracy, fixed to circuit board by using automatic mode simultaneously, reduce the labor burden of staff, also improve the production efficiency of circuit board.

Description

Technical Field

[0001] This utility model relates to the field of circuit board testing technology, and in particular to a circuit board fixing fixture that is easy to adjust. Background Technology

[0002] Precisely fixing the circuit board during the manufacturing process is a key step in ensuring processing quality.

[0003] The patent document with publication number CN221261064U proposes a test fixture for easy fixing of circuit boards. The patent document is easy to operate, makes it easy to fix the circuit boards, and ensures the testing efficiency of the staff.

[0004] However, the circuit board fixtures in the aforementioned comparative documents are fixed structures, which can only accommodate circuit boards of specific sizes or a few specifications during circuit board inspection. When different sizes of circuit boards need to be processed, different fixtures often need to be changed, which not only increases equipment costs but also frequently interrupts the production process, affecting production efficiency. In view of this, we provide an easily adjustable circuit board fixture. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an easily adjustable circuit board fixing fixture, which solves the technical problem in the prior art of not being able to fix circuit boards of different sizes, thus reducing circuit board production efficiency. It achieves the ability to fix circuit boards of different sizes, thereby improving the adaptability of the device and increasing circuit board production efficiency.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an easily adjustable circuit board fixing fixture, including a placement seat, wherein the placement seat is provided with an adjustment mechanism that can flexibly clamp circuit boards of various sizes, and the adjustment mechanism is provided with a fixing mechanism that presses the circuit board downward.

[0007] The adjustment mechanism includes a rotating shaft rotatably installed inside the placement seat, and a power component that drives the rotating shaft to rotate. A large gear is fixed on the outer wall of the rotating shaft. Two sets of racks are meshed on both sides of the large gear and are centrally symmetrically distributed. The racks are slidably connected to the placement seat. Through-type side grooves are opened on both sides of the placement seat along the rack direction. One side is also opened with a through-type plate groove. A connecting plate is installed at the top of each set of racks. A stop plate is installed on the lower inner side of the connecting plate.

[0008] Preferably, the power component includes an electric actuator mounted on one side of the placement seat, the telescopic end of the electric actuator is equipped with a toothed plate adapted to the plate groove, and a small gear that meshes with the toothed plate is mounted on the lower part of the outer wall of the rotating shaft.

[0009] Preferably, the fixing mechanism includes a sliding groove formed on two sets of connecting plates. Two sets of support rods are installed on the upper inner side of each set of connecting plates. A slide frame that is slidably connected to the support rods is slidably connected inside the sliding groove. Two sets of fixed pressure rods are movably installed on the inner side of the slide frame. An asynchronous motor is installed behind the inner side of each set of connecting plates. A telescopic rod that is rotatably connected to the outer end of the slide frame is fixedly installed on the output shaft of the asynchronous motor.

[0010] Preferably, a silicone sleeve is fitted inside the abutment, and the two sets of racks move in opposite directions.

[0011] Preferably, the support rods are symmetrically distributed on both sides of the carriage, and the bottom end of the fixed pressure rod has a circular arc structure.

[0012] Preferably, when the telescopic rod and the placement seat are in a parallel state, the distance from the bottom end of the slide to the bottom end of the slide groove is greater than the distance from the bottom end of the fixed pressure rod to the top end of the placement seat, and the rotation angle of the telescopic rod is 0-180°.

[0013] By employing the above technical solution, this utility model provides an easily adjustable circuit board fixing fixture, which has at least the following beneficial effects: 1. By setting an adjustment mechanism, this utility model can limit the circuit boards of different sizes during the circuit board manufacturing process through a gear drive structure, thereby improving the adaptability of the device. In addition, during the limiting process, it can also protect the circuit board, prevent scratches on the board body during adjustment, and improve the quality of circuit board manufacturing.

[0014] 2. This utility model, by setting a fixing mechanism, can press the circuit board of the limit position to ensure that the circuit board will not be displaced or loosened during the processing, thus ensuring its processing accuracy. At the same time, the automatic fixing method is used to fix the circuit board, which reduces the labor burden of the workers and improves the production efficiency of the circuit board. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0016] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the structure of this utility model; Figure 3 This is a schematic diagram of the adjustment mechanism of this utility model; Figure 4 This is a schematic diagram of the inner structure of the fixing mechanism of this utility model; Figure 5 This is a schematic diagram of the outer structure of the fixing mechanism of this utility model.

[0017] In the diagram: 1. Placement base; 2. Adjustment mechanism; 21. Electric actuator; 22. Gear plate; 23. Rotating shaft; 24. Pinion; 25. Large gear; 26. Rack; 27. Side groove; 28. Plate groove; 29. ​​Connecting plate; 210. Support plate; 3. Fixing mechanism; 31. Slide groove; 32. Support rod; 33. Carriage; 34. Fixing pressure rod; 35. Asynchronous motor; 36. Telescopic rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1 The prior art documents reveal a problem: difficulty in securing circuit boards of different sizes, leading to reduced circuit board production efficiency. This embodiment provides an easily adjustable circuit board fixing fixture capable of securing circuit boards of different sizes, thereby improving the adaptability of the device and increasing circuit board production efficiency. Please refer to... Figure 1 - Figure 5 This easily adjustable circuit board fixing fixture includes a placement base 1, an adjustment mechanism 2 that can flexibly clamp circuit boards of various sizes, and a fixing mechanism 3 that presses the circuit boards downwards. The adjustment mechanism 2 can limit the circuit boards of different sizes, improving the adaptability of the device, while the fixing mechanism 3 can automatically press the circuit boards after they are limited, improving the processing stability of the circuit boards, reducing labor burden, and increasing efficiency.

[0020] The circuit board fixture in the comparison document is a fixed structure, which can only accommodate specific or a few specifications of circuit boards during testing. When processing circuit boards of different sizes, the fixture needs to be changed, which increases equipment costs and frequently interrupts the production process, affecting the production efficiency of circuit boards. In order to solve the above problems, the adjustment mechanism 2 includes a rotating shaft 23 rotatably installed inside the placement seat 1, and a power component that drives the rotating shaft 23 to rotate. A large gear 25 is fixed on the outer wall of the rotating shaft 23. Two sets of racks 26 are centrally symmetrically distributed on both sides of the large gear 25. The two sets of racks 26 move in opposite directions, which can drive the connecting plates 29 and the abutment plates 210 on both sides to move closer or further away in opposite directions at the same time. This realizes the clamping or loosening limit operation of circuit boards of different widths from both sides, improving the adaptability of the device to circuit boards of different specifications. The racks 26 are slidably connected to the placement seat 1. The placement seat 1 has through-type side openings along the direction of the racks 26 on both sides. The side groove 27 provides precise guidance for the sliding of the rack 26, ensuring that the rack 26 will not deviate or wobble during movement, thus ensuring the stability of the adjustment mechanism 2. One side is also provided with a through-type plate groove 28. The top of both sets of racks 26 are equipped with connecting plates 29. The lower inner side of the connecting plate 29 is equipped with a backing plate 210. The inner side of the backing plate 210 is fitted with a silicone sleeve. Utilizing the soft and elastic properties of silicone, when the backing plate 210 contacts and limits contact with the circuit board, it can avoid rigid contact causing scratches or squeezing damage to the edge or surface of the circuit board, thus protecting the circuit board and ensuring the production quality of the circuit board.

[0021] The power unit includes an electric actuator 21 installed on one side of the placement seat 1. The telescopic end of the electric actuator 21 is equipped with a toothed plate 22 that is compatible with the plate groove 28. A small gear 24 that meshes with the toothed plate 22 is installed on the lower part of the outer wall of the rotating shaft 23.

[0022] During the circuit board production process, the electric push rod 21 extends and retracts to move the toothed plate 22. The toothed plate 22 meshes with the small gear 24, thereby causing the rotating shaft 23 to rotate. The rotating shaft 23 synchronously drives the upper large gear 25 to rotate. The large gear 25 meshes with the racks 26 on the front and rear sides of the placement seat 1, thereby causing the two sets of racks 26 to move in opposite directions. The connecting plate 29 at the top slides in the opposite direction along the side groove 27 with the racks 26. Finally, the circuit board is clamped and limited from both sides by the abutment plate 210 on the inner side of the connecting plate 29. This allows for the limitation of circuit boards of different sizes, improving the adaptability of the device.

[0023] Example 2 Based on Example 1, such as Figure 1 - Figure 5As shown, based on the existing comparative documents, there is a problem that it is not easy to fix circuit boards of different sizes, which reduces the efficiency of circuit board production. However, most of the existing fixtures rely on manual operation for fixing, such as tightening bolts and clips. This not only increases the labor intensity of workers, but may also further affect the fixing effect due to human factors such as uneven operating force and operation errors. Therefore, this device is also equipped with a structure for automatically fixing circuit boards.

[0024] In existing technologies, most fixtures rely on manual operation for fixing, such as tightening bolts and clips. This increases the labor intensity of workers and may also affect the fixing effect due to operational problems. To solve the above problems, the fixing mechanism 3 includes a sliding groove 31 formed on two sets of connecting plates 29. Two sets of support rods 32 are installed on the upper inner side of each set of connecting plates 29. The support rods 32 are symmetrically distributed on both sides of the slide 33, which can provide stable support and guidance for the up and down sliding of the slide 33, prevent the slide 33 from tilting or shifting during movement, ensure that the fixing pressure rod 34 is accurately aligned with the circuit board, and ensure the stability and accuracy of the fixing action. The slide 33 is slidably connected to the sliding groove 31 and is slidably connected to the support rod 32. Two sets of fixing pressure rods 34 are movably installed on the inner side of the slide 33. The connecting end of the fixing pressure rod 34 is threaded to the slide 33, which can be quickly installed and is easy to replace. The bottom end of the fixing pressure rod 34 is an arc structure to avoid scratching or squeezing damage caused by the sharp edges when the fixing pressure rod 34 contacts the circuit board. It can not only firmly press the circuit board, but also protect the board body. Due to damage, an asynchronous motor 35 is installed on the inner rear side of each connecting plate 29. A telescopic rod 36, which is rotatably connected to the outer end of the slide 33, is fixedly installed on the output shaft of the asynchronous motor 35. When the telescopic rod 36 is parallel to the placement seat 1, the distance from the bottom end of the slide 33 to the bottom end of the slide groove 31 is greater than the distance from the bottom end of the fixed pressure rod 34 to the top end of the placement seat 1, so that the fixed pressure rod 34 contacts the circuit board, providing a reference for subsequent precise pressing or releasing actions, ensuring that the pressing force and position of the fixed pressure rod 34 on the circuit board are precise and controllable. Moreover, the rotation angle of the telescopic rod 36 is 0-180°, thereby controlling the movement stroke of the slide 33 and the fixed pressure rod 34. This ensures that the fixed pressure rod 34 can effectively press the circuit board, while avoiding excessive rotation that could cause excessive displacement of the fixed pressure rod 34, damaging the circuit board or affecting the operation of the mechanism, thus ensuring the stable and efficient operation of the fixing mechanism 3. After the circuit board is positioned, the output shaft of the asynchronous motor 35 rotates to drive the telescopic rod 36 to rotate. While the telescopic rod 36 extends and retracts, it pulls the slide 33 to slide up and down along the slide groove 31 and the support rod 32. When the slide 33 moves down, the fixed pressure rod 34 on its inner side descends and presses the circuit board. The arc structure at the bottom of the fixed pressure rod 34 can avoid damage to the board. The rotation angle of the telescopic rod 36 is controlled between 0-180°, thereby ensuring that the fixed pressure rod 34 accurately completes the pressing and releasing action, realizing automatic fixation to ensure processing stability.

[0025] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An easily adjustable circuit board fixing fixture, comprising a placement base (1), characterized in that: The placement base (1) is provided with an adjustment mechanism (2) that can flexibly clamp circuit boards of various sizes, and the adjustment mechanism (2) is provided with a fixing mechanism (3) that presses the circuit board downward. The adjustment mechanism (2) includes a rotating shaft (23) rotatably installed inside the placement seat (1) and a power component that drives the rotating shaft (23) to rotate. A large gear (25) is fixed on the outer wall of the rotating shaft (23). Two sets of racks (26) are meshed on both sides of the large gear (25) and are centrally symmetrically distributed. The racks (26) are slidably connected to the placement seat (1). The placement seat (1) has through side grooves (27) on both sides along the direction of the racks (26). One side also has a through plate groove (28). A connecting plate (29) is installed at the top of both sets of racks (26). A stop plate (210) is installed on the lower inner side of the connecting plate (29).

2. The easily adjustable circuit board fixing fixture according to claim 1, characterized in that: The power component includes an electric push rod (21) installed on one side of the placement seat (1), and a toothed plate (22) adapted to the plate groove (28) is installed at the telescopic end of the electric push rod (21). A small gear (24) meshing with the toothed plate (22) is installed below the outer wall of the rotating shaft (23).

3. The adjustable circuit board fixture of claim 1, wherein: The fixing mechanism (3) includes a slide groove (31) opened on two sets of connecting plates (29). Two sets of support rods (32) are installed on the upper inner side of each set of connecting plates (29). A slide frame (33) that is slidably connected to the support rods (32) is slidably connected inside the slide groove (31). Two sets of fixed pressure rods (34) are movably installed inside the slide frame (33). An asynchronous motor (35) is installed behind the inner side of each set of connecting plates (29). A telescopic rod (36) that is rotatably connected to the outer end of the slide frame (33) is fixedly installed on the output shaft of the asynchronous motor (35).

4. The adjustable circuit board fixture of claim 1, wherein: The inner side of the abutment (210) is fitted with a silicone sleeve, and the two sets of racks (26) move in opposite directions.

5. The adjustable circuit board fixture of claim 3, wherein: The support rods (32) are symmetrically distributed on both sides of the slide (33), and the bottom end of the fixed pressure rod (34) is an arc structure.

6. The adjustable circuit board fixture of claim 3, wherein: When the telescopic rod (36) and the placement seat (1) are in a parallel state, the distance from the bottom end of the slide (33) to the bottom end of the slide groove (31) is greater than the distance from the bottom end of the fixed pressure rod (34) to the top end of the placement seat (1), and the rotation angle of the telescopic rod (36) is 0-180°.

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