Chip station height measuring tool
By designing a chip-based height measurement fixture and employing an infrared ranging sensor and height adjustment components, non-contact measurement was achieved, solving the problems of large measurement errors and pin deformation in feeler gauges, and improving measurement accuracy and efficiency.
Patent Information
- Application Number
- CN202422695875.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-05
AI Technical Summary
In existing technologies, when measuring the height of a chip, the feeler gauge is prone to touching the pins, causing deformation, and the measurement error is large, affecting chip quality and production efficiency.
A chip station height measurement fixture was designed, which uses an infrared ranging sensor and a height adjustment component. Through a non-contact measurement method, the height of the ranging component is adjusted by the height adjustment component to ensure that the positioning plate is flush with the placement block, thus achieving non-contact measurement.
It improves the accuracy and efficiency of chip measurement, avoids pin deformation, ensures the safety and convenience of the measurement process, and adapts to the measurement needs of chips of different sizes.
Smart Images

Figure CN223691707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chip measurement technical field, concretely relates to a chip station height measurement tool. BACKGROUND
[0002] Chip is the general term of semiconductor element product, after the invention and mass production of transistor, various solid-state semiconductor components such as diode, transistor are used in large quantities, replace the function and role of vacuum tube in circuit. In the middle and late 20th century, semiconductor manufacturing technology advances, so that integrated circuit becomes possible.
[0003] At present, there are a large number of SOP, QFP chips in single board production and processing, part of the chip requires welding at the bottom, in order to ensure the quality of reflow soldering at the bottom of the chip, the chip station height after forming needs to be controlled with high precision. At present, plug gauges are usually used for measurement, but in the measurement process, the plug gauges are easy to touch the pins, which leads to the deformation of the pins, and further affects the use of the chip, and the measurement error is large. At the same time, manual measurement with plug gauges leads to slow measurement speed and low measurement efficiency, which further affects the production efficiency and is not conducive to cost saving. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of chip station height measurement tool to solve the problem of large measurement error of chip station height after forming, and the pin is easy to touch and lead to deformation during measurement.
[0005] The technical scheme for solving the above technical problems of the utility model is as follows:
[0006] A kind of chip station height measurement tool, comprising: bottom plate, two vertical plates respectively slidingly arranged on the two sides of bottom plate, horizontal plate connected between the two vertical plates, measuring mechanism arranged on horizontal plate, and two placing blocks respectively slidingly arranged on bottom plate, the sliding direction of vertical plate is perpendicular to the sliding direction of placing block;
[0007] The measuring mechanism comprises a height adjusting assembly arranged on the horizontal plate, a horizontal plate arranged on the moving end of the height adjusting assembly and parallel to the bottom plate, a positioning plate arranged at the end of the horizontal plate away from the height adjusting assembly and used for positioning with the placing block, and a distance measuring element embedded in the top of the horizontal plate, the top surface of the positioning plate and the top surface of the distance measuring element are flush with the top surface of the horizontal plate.
[0008] Further, the height adjusting assembly comprises a moving block located below the horizontal plate, a guide rod arranged on the top of the moving block and slidingly matched with the horizontal plate, and a threaded rod rotatably arranged on the top of the moving block and threadedly matched with the horizontal plate, the guide rod and the threaded rod are parallel to each other, the horizontal plate is arranged on the side of the moving block facing the placing block, and the horizontal plate is arranged along the sliding direction of the vertical plate.
[0009] Further, the placing block is provided with a positioning groove matched with the positioning plate on the top end side wall of the horizontal plate.
[0010] Further, the two vertical plates are integrally formed with the horizontal plate.
[0011] Further, the bottom plate is provided with a sliding groove on each side, and the bottom end side wall of the vertical plate is provided with a sliding block matched with the sliding groove.
[0012] Further, the top of the bottom plate is provided with a sliding rail on each side, and the bottom of the placing block is provided with a sliding block matched with the sliding rail, and the arrangement direction of the sliding rail is perpendicular to the arrangement direction of the sliding groove.
[0013] Further, the placing block is provided with a screw matched with the sliding rail.
[0014] The chip station height measuring tool has the following beneficial effects:
[0015] 1. The chip station height measuring tool is provided with an adjusting height assembly, which is convenient for adjusting the height of the horizontal plate, the positioning plate and the distance measuring piece.
[0016] 2. The adjusting height assembly is provided with a threaded rod matched with the horizontal plate, a moving block matched with the threaded rod, and the threaded rod is rotated to drive the moving block to move up and down along the horizontal plate under the cooperation of the guide rod, thereby driving the horizontal plate, the positioning plate and the distance measuring piece to move up and down. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structural schematic view of the chip station height measuring tool.
[0018] Figure 2 It is a side view structural schematic view of the chip station height measuring tool.
[0019] Figure 3 For Figure 1 A enlarged structural schematic view of part A.
[0020] In the figure: 1, bottom plate; 11, sliding groove; 12, sliding rail; 2, vertical plate; 21, sliding block; 3, horizontal plate; 4, measuring mechanism; 41, height adjusting assembly; 411, moving block; 412, guide rod; 413, threaded rod; 42, horizontal plate; 43, positioning plate; 44, distance measuring element; 5, placing block; 51, positioning groove; 52, sliding block. DETAILED DESCRIPTION
[0021] The principles and characteristics of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and are not used to limit the scope of the present application.
[0022] As Figures 1 to 3 shown, the embodiment of the present application provides a chip station height measuring tool, which comprises: a bottom plate 1, two vertical plates 2 respectively and slidingly arranged on the two sides of the bottom plate 1, sliding grooves 11 are respectively formed on the two sides of the bottom plate 1, sliding blocks 21 are arranged on the bottom end side walls of the vertical plates 2 and slidingly cooperate with the sliding grooves 11, and the sliding of the vertical plates 2 is realized through the cooperation of the sliding blocks 21 and the sliding grooves 11; a horizontal plate 3 connected between the two vertical plates 2, in the embodiment, the two vertical plates 2 and the horizontal plate 3 are integrally formed, the horizontal plate 3 can be moved by pushing the vertical plates 2 to slide along the bottom plate 1; a measuring mechanism 4 arranged on the horizontal plate 3, the measuring mechanism 4 is used for measuring the station height of the formed chip; and two placing blocks 5 respectively and slidingly arranged on the bottom plate 1, the sliding direction of the vertical plates 2 is perpendicular to the sliding direction of the placing blocks 5; the two placing blocks 5 are used for placing the formed chip or product, specifically, the top of the bottom plate 1 is respectively provided with a sliding rail 12, the bottom of the placing block 5 is provided with a sliding block 52 which slidingly cooperates with the sliding rail 12, and the arrangement direction of the sliding rail 12 is perpendicular to the arrangement direction of the sliding groove 11; the two placing blocks 5 realize sliding through the sliding block 52 and the sliding rail 12, and by driving the two placing blocks 5 to move in opposite directions or opposite directions or opposite directions, different models or sizes of chips can be placed, and the position of the chip on the placing block 5 can be adjusted in real time.
[0023] The measuring mechanism 4 comprises a height adjusting assembly 41 arranged on the horizontal plate 3, a horizontal plate 42 arranged on the moving end of the height adjusting assembly 41 and parallel to the bottom plate 1, a positioning plate 43 arranged on the end of the horizontal plate 42 away from the height adjusting assembly 41 and used for positioning with the placing block 5, the positioning plate 43 is used for aligning and positioning with the placing block 5, and a distance measuring element 44 embedded in the top of the horizontal plate 42, in the embodiment, the distance measuring element 44 adopts an infrared distance measuring sensor, the model of which is GP2Y0E03, and it is used for measuring the station height of the formed chip; the top surface of the positioning plate 43, the top surface of the distance measuring element 44 and the top surface of the horizontal plate 42 are flush.
[0024] The height adjusting assembly 41 is used for adjusting the height of the horizontal plate 42, and the top surface of the positioning plate 43 is flush with the top surface of the placing block 5, so that the top surface of the distance measuring piece 44 on the horizontal plate 42 is also flush with the top surface of the placing block 5. The distance measuring piece 44 is electrically connected with an external control display module, and the finally measured data is transmitted to the external control display module, so that the workers can view the measured data in real time. When the height of the chip station is measured, the formed chip is placed on the top of the two placing blocks 5, the pushing vertical plate 2 is slid along the bottom plate 1, the two placing blocks 5 are moved, and the horizontal plate 42 is located between the two placing blocks 5. The distance measuring piece 44 is started, and the height of the chip station is measured by the distance measuring piece 44. The non-contact measurement mode can ensure the safety of the chip measurement process, and improves the measurement efficiency and convenience.
[0025] Specifically, the height adjusting assembly 41 comprises a moving block 411 located below the cross plate 3, a guide rod 412 provided on the top of the moving block 411 and in sliding cooperation with the cross plate 3, and a threaded rod 413 rotationally provided on the top of the moving block 411 and in threaded cooperation with the cross plate 3. The top of the moving block 411 is provided with a rotating hole in which a rotating block connected with the threaded rod 413 is placed. The diameter of the rotating block is greater than the diameter of the threaded rod 413. A limiting ring (not shown in the figure) for limiting the movement of the rotating block is embedded at the top end of the rotating hole of the moving block 411. The bottom end of the threaded rod 413 penetrates through the limiting ring and is connected with the rotating block in the rotating hole, so as to realize the rotating cooperation between the threaded rod 413 and the moving block 411. In other embodiments of the present application, the rotating cooperation between the threaded rod 413 and the moving block 411 can be realized through shaft hole cooperation. The cross plate 3 is respectively provided with a through hole in sliding cooperation with the guide rod 412 and a threaded hole in threaded cooperation with the threaded rod 413. The top of the guide rod 412 penetrates out of the through hole on the cross plate 3, and the top of the threaded rod 413 penetrates out of the threaded hole on the cross plate 3. Furthermore, the guide rod 412 and the threaded rod 413 are parallel to each other. The left and right sides of the moving block 411 correspond to the two vertical plates 2. The horizontal plate 42 is arranged on the side of the moving block 411 facing the placing block 5, and the horizontal plate 42 is arranged along the sliding direction of the vertical plate 2. By rotating the threaded rod 413, the moving block 411 can be moved up and down under the cooperation of the guide rod 412, so as to drive the horizontal plate 42, the positioning plate 43 and the distance measuring piece 44 to move.
[0026] In order to facilitate the positioning of the positioning plate 43 and the placing block 5, the top end side wall of the placing block 5 close to the horizontal plate 42 is provided with a positioning groove 51 matched with the positioning plate 43. The depth of the positioning groove 51 is equal to the thickness of the positioning plate 43.
[0027] In order to limit the sliding of the placing block 5 when necessary, a screw rod for abutting against the sliding rail 12 is threadedly connected to the placing block 5. The placing block 5 is provided with a threaded through hole in threaded cooperation with the screw rod. By rotating the screw rod, the screw rod is abutted against or loosened from the sliding rail 12, so as to realize the limiting or sliding of the placing block 5.
[0028] In use, the vertical plate 2 and the placing block 5 are respectively pushed to slide along the bottom plate 1, the positioning plate 43 is corresponded with the positioning groove 51 on the placing block 5, the threaded rod 413 is rotated, under the cooperation of the guide rod 412, the moving block 411 is driven to move up and down, and then the horizontal plate 42, the positioning plate 43 and the distance measuring element 44 are moved, when the positioning plate 43 is contacted with the positioning groove 51 on the placing block 5, the top surface of the positioning plate 43 is flush with the top surface of the placing block 5, at this time, the measuring mechanism 4 is reversely moved by the vertical plate 2, and waiting for measurement; then the shaped chip is placed on the top of the two placing blocks 5, the vertical plate 2 is pushed to slide along the bottom plate 1, the two placing blocks 5 are moved, the horizontal plate 42 is located between the two placing blocks 5, the distance measuring element 44 is started, the height of the chip is measured through the distance measuring element 44, the measured data is transmitted to the external control display module by the distance measuring element 44, the staff can view in real time, and the safety of the chip measuring process can be ensured through the non-contact measurement mode, and the measurement efficiency and the convenience are improved.
[0029] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A chip station height measurement fixture, characterized in that, Include: The bottom plate (1), two vertical plates (2) respectively slidingly arranged on both sides of the bottom plate (1), a horizontal plate (3) connected between the two vertical plates (2), a measuring mechanism (4) arranged on the horizontal plate (3), and two placing blocks (5) respectively slidingly arranged on the bottom plate (1), the sliding direction of the vertical plate (2) is perpendicular to the sliding direction of the placing block (5); The measuring mechanism (4) includes a height adjusting assembly (41) arranged on the horizontal plate (3), a horizontal plate (42) arranged on the moving end of the height adjusting assembly (41) and parallel to the bottom plate (1), a positioning plate (43) arranged on the end of the horizontal plate (42) away from the height adjusting assembly (41) and used for positioning with the placing block (5), and a distance measuring piece (44) embedded in the top of the horizontal plate (42), the top surface of the positioning plate (43) and the top surface of the distance measuring piece (44) are flush with the top surface of the horizontal plate (42).
2. The chip site high measurement tool of claim 1, wherein, The height adjusting assembly (41) includes a moving block (411) below the horizontal plate (3), a guide rod (412) arranged on the top of the moving block (411) and slidingly matched with the horizontal plate (3), and a threaded rod (413) rotatably arranged on the top of the moving block (411) and threadedly matched with the horizontal plate (3), the guide rod (412) and the threaded rod (413) are parallel to each other, the horizontal plate (42) is arranged on the side of the moving block (411) facing the placing block (5), and the horizontal plate (42) is arranged along the sliding direction of the vertical plate (2).
3. The chip site high measurement tool of claim 1, wherein, The placing block (5) is provided with a positioning groove (51) matched with the positioning plate (43) on the top end side wall close to the horizontal plate (42).
4. The chip site high measurement tool of claim 1, wherein, The two vertical plates (2) and the horizontal plate (3) are integrally formed.
5. The chip site height measurement tool of any one of claims 1 to 4, wherein, The bottom plate (1) is provided with a sliding groove (11) on both sides, and the bottom end side wall of the vertical plate (2) is provided with a sliding block (21) slidingly matched with the sliding groove (11).
6. The chip site high measurement tool of claim 5, wherein, The top of the bottom plate (1) is provided with a sliding rail (12) in opposite positions, the bottom of the placing block (5) is provided with a sliding block (52) slidingly matched with the sliding rail (12), and the arrangement direction of the sliding rail (12) is perpendicular to the arrangement direction of the sliding groove (11).
7. The chip site high measurement tool of claim 6, wherein, The placing block (5) is threadedly connected with a screw rod for abutting against the sliding rail (12).