Micro-spacing element mounting precision detection jig facilitating positioning

Abstract

The utility model relates to electronic component detection equipment technical field discloses micro -pitch element mounting precision detection jig convenient to position, including work table, clamping mechanism and fixed establishment, the clamping mechanism includes fixed frame and mounting block, the fixed establishment includes fixed plate, base, electric push rod, fixed rod, long board, connecting rod and limit holder, the fixed plate with the base all are fixed on the work table, electric push rod rotary connection in fixed plate, the output end of electric push rod drives fixed rod rotates, fixed rod passes through long board and connecting rod drive connection limit holder, limit holder with mounting block sliding fit.

Description

Technical Field

[0001] This utility model relates to the field of electronic component testing equipment technology, and in particular to a fixture for testing the mounting accuracy of micro-pitch components that is easy to position. Background Technology

[0002] With the rapid development of electronic products towards high density and miniaturization, the application of micro-pitch components such as ball grid array packaging and wafer-level chip-scale packaging is becoming increasingly widespread. These components have extremely small pin pitches, and the requirements for mounting accuracy have reached the micrometer level. Therefore, it is crucial to use high-precision inspection equipment to accurately measure the mounting position of components during the production process.

[0003] When performing such high-precision inspections, specialized inspection fixtures are required to fix the circuit boards or workpieces to be inspected. Most existing inspection fixtures fix the workpieces using simple pressure plates or manual clamps. This method can meet the inspection needs of conventionally sized components and provide a relatively fixed platform for subsequent optical or probe measurements. However, when the object being inspected is a micro-pitch component, the requirements for environmental stability of the inspection system increase exponentially. Minor vibrations transmitted from the production workshop floor, resonances generated by the operation of the equipment itself, and even airflow disturbances can all cause micron-level shaking of the inspection fixture. Although this shaking is difficult to detect with the naked eye, it is enough to cause huge deviations and fluctuations in the measurement results for high-magnification optical measurement systems, making the inspection data unreliable and seriously affecting the judgment of product quality. This decrease in inspection accuracy caused by the insufficient structural stability of the fixture itself is a core technical problem that urgently needs to be solved in the field of micro-pitch component inspection.

[0004] Therefore, this utility model proposes a fixture for measuring the mounting accuracy of micro-pitch components that is easy to position, in order to overcome the shortcomings of the prior art. Utility Model Content

[0005] In view of the problems in the existing technology of micro-pitch component mounting accuracy testing fixtures that are easy to position, the fixtures are prone to shaking in vibration environments due to insufficient structural stability, resulting in low accuracy and poor reliability of the test results. The present invention aims to provide a micro-pitch component mounting accuracy testing fixture with an improved structure that can effectively solve the above problems.

[0006] This utility model provides a fixture for testing the mounting accuracy of micro-pitch components that is easy to position, including a worktable, a clamping mechanism including a fixing frame and a mounting block, and a fixing mechanism.

[0007] The fixing mechanism includes a fixing plate, a base, an electric push rod, a fixing rod, a long plate, a connecting rod, and a limiting frame. The fixing plate is fixedly connected to the left and right sides of the top wall of the workbench. The base is fixedly connected to the top wall of the workbench at equal intervals. The electric push rod is rotatably connected to the upper middle part of the outer wall of the fixing plate. The fixing rod is rotatably connected to the top wall of the base.

[0008] Furthermore, the output end of the electric push rod is connected to the upper middle part of the outer wall of the fixed rod, the end of the long plate is rotatably connected to the lower middle part of the outer wall of the fixed rod, the connecting rod is slidably connected to the inner wall of the base, one end of the connecting rod is rotatably connected to the long plate, and the other end is fixedly connected to the limiting frame. The structure of the limiting frame is slidably engaged with the inner wall of the mounting block. By rigidly locking the fixed frame of the clamping mechanism to the worktable, the overall structural stability and vibration resistance of the device are effectively improved.

[0009] Preferably, the clamping mechanism further includes a hydraulic rod, which is fixedly connected to the middle of the top wall of the worktable, and the fixing frame is fixedly connected to the outer wall of the hydraulic rod, so as to provide a stable and reliable driving force for the clamping mechanism through the hydraulic rod.

[0010] Preferably, the clamping mechanism further includes a support frame, which is fixedly connected to the top of the fixed frame. The support frame provides a stable bearing platform for the workpiece to be inspected.

[0011] Preferably, the clamping mechanism further includes multiple clamping blocks, which are equidistantly connected and rotated along the inner wall of the support frame. Through the synchronous action of the multiple clamping blocks, the workpiece can be uniformly forceped from all sides to achieve precise centering clamping.

[0012] Preferably, the clamping mechanism further includes a connecting block, which is fixedly connected to the top end of the hydraulic rod, serving as the output end of the linear motion of the hydraulic rod and transmitting power to the subsequent linkage mechanism.

[0013] Preferably, the clamping mechanism further includes a connecting plate, and the end of the clamping block is rotatably connected to the outer wall of the connecting block through the connecting plate. The connecting plate serves as a key transmission link, cleverly converting the linear motion of the connecting block into the rotational clamping action of the clamping block.

[0014] Preferably, the fixing mechanism includes two sets, which are symmetrically arranged on the left and right sides of the clamping mechanism. This symmetrical layout makes the locking force more balanced and further enhances the locking stability of the clamping mechanism.

[0015] Preferably, the mounting block is fixedly connected to the left and right sides of the inner wall of the fixing frame, and is provided with a limiting frame that facilitates precise docking and locking with the fixing mechanism symmetrically arranged on the left and right sides.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model solves the problems of poor structural stability and susceptibility to environmental vibration interference of existing testing fixtures by setting up a fixing mechanism driven by an electric push rod to ultimately insert the limit frame into the mounting block. It achieves the effect of firmly locking the entire frame of the clamping device on the worktable, thereby eliminating minor shaking during the testing process and significantly improving the accuracy and reliability of the micro-pitch component mounting accuracy test results.

[0018] 2. This utility model solves the problems of low efficiency and poor repeatability of manual workpiece positioning in the prior art by setting up a clamping mechanism composed of multiple synchronous clamping blocks driven by hydraulic rods and linked by connecting blocks and connecting plates. It achieves the effect of fast, automatic centering and uniform clamping of workpieces, effectively preventing workpiece deviation, ensuring the consistency of detection preconditions and improving overall work efficiency. Attached Figure Description

[0019] Figure 1 This is a perspective view of the micro-pitch element mounting accuracy testing fixture for easy positioning proposed in this utility model;

[0020] Figure 2 This is a front view of the micro-pitch element mounting accuracy testing fixture for easy positioning proposed in this utility model;

[0021] Figure 3 This is a partial structural schematic diagram of the micro-pitch element mounting accuracy testing fixture for easy positioning proposed in this utility model;

[0022] Figure 4 This is a partial structural diagram of the micro-pitch component mounting accuracy testing fixture for easy positioning proposed in this utility model;

[0023] Figure 5 This is a schematic diagram of the fixing mechanism of the micro-pitch element mounting accuracy testing fixture that facilitates positioning, as proposed in this utility model.

[0024] Figure 6 This is a partial structural exploded view of the micro-pitch element mounting accuracy testing fixture for easy positioning proposed in this utility model.

[0025] Legend:

[0026] 1. Workbench; 2. Clamping mechanism; 201. Clamping block; 202. Connecting plate; 203. Connecting block; 204. Support frame; 205. Hydraulic rod; 206. Fixing frame; 207. Mounting block; 3. Fixing mechanism; 301. Fixing rod; 302. Electric push rod; 303. Long plate; 304. Base; 305. Fixing plate; 306. Connecting rod; 307. Limiting frame. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0028] Example:

[0029] Please refer to Figures 1 to 6 This utility model provides a micro-pitch component mounting accuracy testing fixture that is easy to position, which aims to solve the problem of insufficient structural stability of existing testing fixtures and susceptibility to environmental vibration, leading to a decrease in testing accuracy.

[0030] Please refer to Figure 1 and Figure 2 The micro-pitch component mounting accuracy testing fixture for easy positioning includes a worktable 1, and a clamping mechanism 2 and a fixing mechanism 3 set on the top of the worktable 1. The worktable 1 serves as the mounting base for the entire device and provides a stable support platform for the clamping mechanism 2 and the fixing mechanism 3.

[0031] The clamping mechanism 2 is used to quickly position and clamp the workpiece that needs to be inspected with precision. The fixing mechanism 3 is used to lock the overall frame of the clamping mechanism 2 onto the worktable 1 after the workpiece is clamped, thereby greatly improving the structural rigidity and vibration resistance of the entire device.

[0032] Please refer to Figure 3 , Figure 5 and Figure 6 The fixing mechanism 3 includes a fixing plate 305 fixedly connected to the left and right sides of the top wall of the workbench 1, and a base 304 fixedly connected to the top wall of the workbench 1 at equal intervals. The fixing plate 305 and the base 304 together constitute the installation base of the fixing mechanism 3. The fixing mechanism 3 also includes an electric push rod 302 rotatably connected to the upper part of the outer wall of the fixing plate 305. The electric push rod 302 is provided to provide driving force.

[0033] The fixing mechanism 3 further includes a fixing rod 301 rotatably connected to the top wall of the base 304. The output end of the electric push rod 302 is connected to the upper middle part of the outer wall of the fixing rod 301, so that when the electric push rod 302 is started, it can drive the fixing rod 301 to rotate around the top wall of the base 304. The fixing rod 301 serves as the core transmission conversion lever.

[0034] The fixing mechanism 3 further includes a long plate 303, a connecting rod 306, and a limiting frame 307. The connecting rod 306 is slidably connected to the inner wall of the base 304, and the limiting frame 307 is fixedly connected to the end of the connecting rod 306. The end of the long plate 303 is rotatably connected to the lower middle part of the outer wall of the fixing rod 301, and the other end of the long plate 303 is rotatably connected to the connecting rod 306. Through this linkage structure, the rotational motion of the fixing rod 301 can be accurately converted into the linear reciprocating motion of the connecting rod 306.

[0035] The clamping mechanism 2 is provided with a mounting block 207 that cooperates with the fixing mechanism 3. The mounting block 207 is fixedly connected to the left and right sides of the inner wall of the fixing frame 206 of the clamping mechanism 2. The inner wall of the mounting block 207 is in sliding fit with the limiting frame 307. When the electric push rod 302 drives the fixing rod 301 to rotate, through the transmission of the long plate 303 and the connecting rod 306, the limiting frame 307 is finally pushed into the inner wall of the mounting block 207 to form a stable rigid connection. This structure ensures that the clamping mechanism 2 will not shake during the detection process, thus ensuring the detection accuracy of the micro-pitch element.

[0036] As a preferred embodiment, please refer to Figure 4 In order to achieve automatic clamping of workpieces, the clamping mechanism 2 also includes a hydraulic rod 205 fixedly connected to the middle of the top wall of the worktable 1. The hydraulic rod 205 serves as the power source for the clamping action, and the fixing frame 206 of the clamping mechanism 2 is fixedly connected to the outer wall of the hydraulic rod 205, together with the hydraulic rod 205 forming the overall frame of the clamping mechanism 2.

[0037] As another preferred embodiment, please refer to Figure 3 and Figure 4 In order to provide a platform for placing the workpiece to be tested, the clamping mechanism 2 also includes a support frame 204 fixedly connected to the top of the fixed frame 206, and the workpiece is placed directly on the top wall of the support frame 204.

[0038] Based on the above, in order to achieve the clamping action of the workpiece, the clamping mechanism 2 also includes multiple clamping blocks 201. The multiple clamping blocks 201 are equidistantly distributed along the inner wall of the support frame 204 and are all rotatably connected. The synchronous rotation of the clamping blocks 201 is used to clamp or release the workpiece from all sides.

[0039] In order to drive the clamping block 201 to move, the clamping mechanism 2 also includes a connecting block 203, which is fixedly connected to the top of the hydraulic rod 205 and can be driven by the hydraulic rod 205 to move vertically.

[0040] In order to transmit the linear motion of the connecting block 203 to the clamping block 201, the clamping mechanism 2 also includes a connecting plate 202. The end of the clamping block 201 is rotatably connected to the outer wall of the connecting block 203 through the connecting plate 202, thereby forming a complete linkage clamping system.

[0041] As a further optimization of the overall structural stability, the fixing mechanism 3 is preferably two sets, with the two sets of fixing mechanisms 3 symmetrically arranged on the left and right sides of the clamping mechanism 2, working together to form a more stable locking effect.

[0042] Working principle: When it is necessary to fix the workpiece, the clamping mechanism 2 is started first. The hydraulic rod 205 starts and drives the connecting block 203 at the top to move up and down. Since the connecting block 203 is rotatably connected to multiple clamping blocks 201 through the connecting plate 202, the movement of the connecting block 203 will drive the connecting plate 202, which in turn pulls the clamping blocks 201 to rotate around the inner wall of the support frame 204, so that all clamping blocks 201 can close inward or open outward at the same time, thereby quickly and accurately clamping the workpiece placed on the support frame 204.

[0043] After the workpiece is clamped, to improve the stability of the inspection, the fixing mechanism 3 is activated, and the electric push rods 302 on the left and right sides are activated, pulling the fixed rods 301 connected to them to rotate around the base 304. The rotation of the fixed rods 301 is converted into the linear motion of the connecting rods 306 through the linkage mechanism composed of the long plate 303 and the connecting rod 306, which pushes the end limit frame 307, so that the limit frame 307 is precisely inserted into the mounting block 207 on the fixed frame 206 of the clamping mechanism 2, thereby firmly locking the entire clamping mechanism 2 on the worktable 1. Through this double fixing method of first clamping the workpiece and then locking the frame, the structural shaking of the device in the vibration environment is completely eliminated, providing a stable foundation for high-precision inspection.

Claims

1. A fixture for measuring the mounting accuracy of micro-pitch components that facilitates positioning, including: Workbench (1); The clamping mechanism (2) includes a fixed frame (206) disposed on the top of the workbench (1), and an mounting block (207) is fixedly connected to the outer wall of the fixed frame (206). Its features are, It also includes a fixing mechanism (3), which includes a fixing plate (305) fixedly connected to the left and right sides of the top wall of the workbench (1), and a base (304) fixedly connected to the top wall of the workbench (1) at equal intervals. The fixing mechanism (3) also includes an electric push rod (302) rotatably connected to the upper part of the outer wall of the fixing plate (305), and a fixing rod (301) rotatably connected to the top wall of the base (304). The output end of the electric push rod (302) is connected to the fixing rod (301). 1) The upper part of the outer wall is used to drive the fixing rod (301) to rotate around the top wall of the base (304). The fixing mechanism (3) further includes a long plate (303), a connecting rod (306) slidably connected to the inner wall of the base (304), and a limiting frame (307) fixedly connected to the end of the connecting rod (306). The end of the long plate (303) is rotatably connected to the lower part of the outer wall of the fixing rod (301), and the other end of the long plate (303) is rotatably connected to the connecting rod (306).

2. The fixture for detecting the mounting accuracy of micro-pitch components that facilitates positioning, as described in claim 1, is characterized in that... The clamping mechanism (2) further includes a hydraulic rod (205) fixedly connected to the middle of the top wall of the workbench (1), and the fixing frame (206) fixedly connected to the outer wall of the hydraulic rod (205).

3. The micro-pitch component mounting accuracy testing fixture for easy positioning according to claim 2, characterized in that, The clamping mechanism (2) also includes a support frame (204) fixedly connected to the top of the fixed frame (206).

4. The micro-pitch component mounting accuracy testing fixture for easy positioning according to claim 3, characterized in that, The clamping mechanism (2) further includes a plurality of clamping blocks (201), which are equidistantly rotatably connected along the inner wall of the support frame (204). The clamping mechanism (2) also includes a connecting block (203), which is fixedly connected to the top end of the hydraulic rod (205). The clamping mechanism (2) also includes a connecting plate (202), and the end of the clamping block (201) is rotatably connected to the outer wall of the connecting block (203) through the connecting plate (202).

5. The fixture for detecting the mounting accuracy of micro-pitch components that facilitates positioning, as described in claim 1, is characterized in that... The fixing mechanism (3) includes two sets, which are symmetrically arranged on the left and right sides of the clamping mechanism (2).

6. The fixture for detecting the mounting accuracy of micro-pitch components that facilitates positioning, as described in claim 1, is characterized in that... The mounting block (207) is fixedly connected to the left and right sides of the inner wall of the fixing frame (206).

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