High-precision rigid-flex board test fixture

By designing a high-precision soft-hard-bonded plate test fixture containing rotating and moving devices, the problem of single detection value in the prior art is solved, and the simultaneous detection of the surface flatness and edge of the soft-hard-bonded plate is realized, thereby improving the precision and comprehensiveness of the detection.

CN222617895UActive Publication Date: 2025-03-14DONGGUAN LIANWEI ELECTRONICS
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Patent Information

Application Number
CN202420513822.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2025-03-14
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

In the prior art, the detection device has a single detection value, and it is impossible to detect surface flatness and edges simultaneously.

Method used

A high-precision soft and hard-core combined plate testing fixture is designed, including a base, a support column, a lateral movement device, a longitudinal movement device, a rotation device and a detection chassis. Several pressure sensors are provided on the detection chassis. Through the coordination of the rotation device, a longitudinal movement device and a lateral movement device, the movement and rotation of the chassis can be realized, and the surface flatness and edge of the plate to be detected can be detected simultaneously.

Benefits of technology

The surface flatness and edge detection of soft and hard-core bonding plates is achieved, improving the precision and comprehensiveness of the detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of detection equipment, and particularly relates to a high-precision rigid-flex board test fixture, which comprises a base, a support column, a transverse moving device, a longitudinal moving device, a rotating device and a detection chassis, the pressure sensors are arranged at the bottom of the detection chassis, the detection chassis is assembled at the rotating end of the bottom of the rotating device, the rotating device is installed at the moving end of the longitudinal moving device, the longitudinal moving device is installed at the moving end of the transverse moving device, and the transverse moving device is installed at the moving end of the detection chassis. The supporting column is fixedly installed at the top of the base, the transverse moving device is fixedly installed at the top end of the supporting column, the detection chassis is located above the base, and through the arrangement of the structure, the high-precision rigid-flex board testing jig can detect the surface flatness and the edge at the same time.
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Description

Technical Field

[0001] The utility model belongs to the technical field of detection equipment, and in particular relates to a high-precision soft-hard combination board testing fixture. Background Art

[0002] A rigid-flex board is a circuit board that is formed by pressing a flexible circuit board and a rigid circuit board together according to relevant process requirements to form a circuit board with FPC characteristics and PCB characteristics. The combined rigid-flex board needs to be tested according to multiple standards such as size, appearance quality, sawability, end retention force, tensile strength and bending strength to ensure that the product meets the qualified standards and the yield of the rigid-flex board is ensured. The appearance quality involves related issues such as the flatness, absence of cracks, deformation, color difference and stains on the appearance of the board. In the prior art, different testing equipment is used to detect corresponding values ​​according to different testing standards to obtain corresponding test values. However, when using the equipment in the prior art to detect products, there is a technical problem that the detection value of the detection device is single. Utility Model Content

[0003] The utility model aims to provide a high-precision rigid-flexible board test fixture, aiming to solve the technical problem of a single detection value of a detection device in the prior art.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides a high-precision soft-hard combination board test fixture, including a base, a support column, a lateral moving device, a longitudinal moving device, a rotating device and a detection chassis, wherein a plurality of pressure sensors are arranged in a matrix on the detection chassis, and each of the pressure sensors is arranged at the bottom of the detection chassis, the detection chassis is assembled on the rotating end at the bottom of the rotating device, the rotating device is installed on the moving end of the longitudinal moving device, and the longitudinal moving device is installed on the moving end of the lateral moving device, the support column is fixedly installed on the top of the base, and the lateral moving device is fixedly installed on the top of the support column, and the detection chassis is located above the base.

[0005] Preferably, a resistance ball is movably mounted on the sensing end of the pressure sensor, and the resistance ball is located at the bottom of the pressure sensor.

[0006] Preferably, a buffer spring is provided on the top of the pressure sensor, two ends of the buffer spring are respectively connected to the bottom of the detection chassis and the top of the pressure sensor, and the end of the buffer spring abuts against the sensing end of the top of the pressure sensor.

[0007] Preferably, a plurality of mounting holes are provided at the bottom of the detection chassis, the top of the pressure sensor and the buffer spring are both located in the mounting hole, one end of the buffer spring abuts against the bottom plane of the mounting hole, and the pressure sensor is movably connected to the mounting hole.

[0008] Preferably, an annular concave baffle is provided at the opening of the mounting hole.

[0009] Preferably, at least two limiting members are spaced apart on the outer side surface of the pressure sensor, and the limiting members are clamped with the annular concave baffle.

[0010] Preferably, a loading platform is provided on the top of the base, and the loading platform is located below the detection chassis.

[0011] Preferably, a limiting frame for adjusting the angle of the board to be tested is provided on the loading platform.

[0012] Preferably, the limiting frame includes a first limiting rod, a second limiting rod, a first limiting cylinder and a second limiting cylinder, the first limiting cylinder and the second limiting cylinder are both installed on the water loading platform, and the first limiting cylinder and the second limiting cylinder on water are arranged relatively to each other, the first limiting rod and the second limiting rod are respectively fixedly installed on the moving ends of the first limiting cylinder and the second limiting cylinder on water, and the first limiting rod and the second limiting rod are arranged relatively parallel to each other.

[0013] Preferably, two cylinder mounting grooves and two limiting grooves are provided on the top of the loading platform, the two cylinder mounting grooves are respectively the same as the two limiting grooves, and the two limiting grooves are located between the two cylinder mounting grooves, the first limiting cylinder and the second limiting cylinder are respectively installed in the two cylinder mounting grooves, the first limiting rod and the second limiting rod respectively move in the two limiting grooves, the first limiting rod and the second limiting rod have the same height, and the first limiting rod and the second limiting rod are both higher than the depth of the limiting groove.

[0014] The above one or more technical solutions in the high-precision rigid-flexible board test fixture provided by the embodiment of the utility model have at least one of the following technical effects:

[0015] The high-precision soft-hard board test fixture in the utility model is assembled by a base, a support column, a lateral moving device, a longitudinal moving device, a rotating device and a detection chassis, wherein a plurality of pressure sensors are arranged at the bottom of the detection chassis, and each pressure sensor is arranged in a matrix, and the detection chassis is fixedly installed on the rotating end of the bottom of the rotating device, and the angle of each pressure sensor matrix located at the bottom of the detection chassis is adjusted by the rotating device, the rotating device is fixedly installed on the moving end of the longitudinal moving device, and then the longitudinal moving device is installed on the moving end of the lateral moving device, and the plane position movement of the detection chassis is realized by the cooperation between the longitudinal moving device and the lateral moving device, and a support column is arranged on the base, and the lateral moving device is fixedly installed on the support column, so that the pressure sensor located at the bottom of the detection chassis can be adjusted by the rotating device. The detection chassis below is suspended above the base, and the movement and rotation of the detection chassis are completed through the cooperation between the lateral moving device, the longitudinal moving device and the rotating device, so as to detect the plane of the board to be detected installed on the top of the base. During the detection, the movement and rotation of the detection chassis are driven by the lateral moving device, the longitudinal moving device and the rotating device. The various pressure sensors installed at the bottom of the detection chassis sense the change in pressure during movement. On the one hand, it detects whether the plane is flat. On the other hand, the various pressure sensors located at the edge of the board to be detected will also experience pressure changes when passing through the non-straight edge, thereby realizing the detection of the edge and surface of the board to be detected. Through the arrangement of the above-mentioned structure, the high-precision soft-hard combination board test fixture in the present application can simultaneously perform surface flatness and edge detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a rendering of a high-precision rigid-flex board test fixture provided by an embodiment of the utility model.

[0018] Figure 2 A top view of the base of a high-precision rigid-flex board test fixture provided in an embodiment of the utility model.

[0019] Figure 3 A bottom view of a rotating device and a detection chassis of a high-precision rigid-flex PCB test fixture provided in an embodiment of the utility model.

[0020] Figure 4 A cross-sectional view of a detection chassis of a high-precision rigid-flex PCB test fixture provided in an embodiment of the utility model.

[0021] Among them, the reference numerals in the figure are:

[0022] 10—base 11—carrying platform 12—limiting frame

[0023] 20—Support column 30—Horizontal moving device 40—Vertical moving device

[0024] 50 - rotating device 60 - detection chassis 61 - mounting hole

[0025] 62—pressure sensor 111—cylinder mounting groove 112—limiting groove

[0026] 121 - first limiting rod 122 - second limiting rod 123 - first limiting cylinder

[0027] 124—second limit cylinder 611—annular concave baffle 621—buffer spring

[0028] 622—limiting member 623—contact ball. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0033] In one embodiment of the present invention, Figures 1 to 4 As shown, a high-precision soft-hard combination board test fixture is provided, including a base 10, a support column 20, a lateral moving device 30, a longitudinal moving device 40, a rotating device 50 and a detection chassis 60, a plurality of pressure sensors 62 are arranged in a matrix on the detection chassis 60, each pressure sensor 62 is arranged at the bottom of the detection chassis 60, the detection chassis 60 is assembled on the rotating end at the bottom of the rotating device 50, the rotating device 50 is installed on the moving end of the longitudinal moving device 40, the longitudinal moving device 40 is installed on the moving end of the lateral moving device 30, the support column 20 is fixedly installed on the top of the base 10, and the lateral moving device 30 is fixedly installed on the top of the support column 20, and the detection chassis 60 is located above the base 10.

[0034] The high-precision soft-hard board test fixture in the utility model is assembled by a base 10, a support column 20, a lateral moving device 30, a longitudinal moving device 40, a rotating device 50 and a detection chassis 60, wherein a plurality of pressure sensors 62 are arranged at the bottom of the detection chassis 60, and each pressure sensor 62 is arranged in a matrix, and the detection chassis 60 is fixedly installed on the rotating end of the bottom of the rotating device 50, and the angle of each pressure sensor 62 matrix located at the bottom of the detection chassis 60 is adjusted by the rotating device 50, the rotating device 50 is fixedly installed on the moving end of the longitudinal moving device 40, and the longitudinal moving device 40 is then installed on the moving end of the lateral moving device 30, and the plane position movement of the detection chassis 60 is realized by the cooperation between the longitudinal moving device 40 and the lateral moving device 30, and the support column 20 is arranged on the base 10, and the lateral moving device 30 is fixedly installed on the support column 20. The support column 20 makes the detection chassis 60 located below suspended above the base 10, and the movement and rotation of the detection chassis 60 are completed through the cooperation between the horizontal moving device 30, the vertical moving device 40 and the rotating device 50, so as to detect the plane of the board to be detected installed on the top of the base 10. During the detection, the movement and rotation of the detection chassis 60 are driven by the horizontal moving device 30, the vertical moving device 40 and the rotating device 50. The various pressure sensors 62 installed at the bottom of the detection chassis 60 sense the change of pressure during movement. On the one hand, it detects whether the plane is flat. On the other hand, when the various pressure sensors 62 located at the edge of the board to be detected pass through the non-straight edge, pressure changes will also occur, thereby realizing the detection of the edge and surface of the board to be detected. Through the setting of the above structure, the high-precision soft-hard combination board test fixture in the present application can simultaneously detect the surface flatness and edge.

[0035] In another embodiment of the present invention, Figure 4 As shown, a contact ball 623 is movably mounted on the sensing end of the pressure sensor 62 . The contact ball 623 is located at the bottom of the pressure sensor 62 , and moves smoothly on the plate to be detected through the contact ball 623 .

[0036] In another embodiment of the present invention, Figure 4 As shown, a buffer spring 621 is provided on the top of the pressure sensor 62, and the two ends of the buffer spring 621 are respectively connected to the bottom of the detection chassis 60 and the top of the pressure sensor 62, and the end of the buffer spring 621 abuts against the sensing end of the top of the pressure sensor 62. The buffer spring 621 is utilized to realize the up and down movement of the pressure sensor 62 during the movement process to avoid getting stuck during the movement.

[0037] In another embodiment of the present invention, Figure 4As shown, a plurality of mounting holes 61 are provided at the bottom of the detection chassis 60, the top of the pressure sensor 62 and the buffer spring 621 are both located in the mounting hole 61, and one end of the buffer spring 621 is in contact with the bottom plane of the mounting hole 61, the pressure sensor 62 is movably connected to the mounting hole 61, and part of the pressure sensor 62 and the buffer spring 621 are installed in the mounting hole 61, which can effectively reduce the overall thickness of the detection chassis 60.

[0038] In another embodiment of the present invention, Figure 4 As shown, an annular concave baffle 611 is provided at the opening of the mounting hole 61 , and the annular concave baffle 611 is used to block the pressure sensor 62 to prevent the pressure sensor 62 from falling off completely.

[0039] In another embodiment of the present invention, Figure 4 As shown, at least two limit members 622 are spaced apart on the outer side surface of the pressure sensor 62 , and the limit members 622 are engaged with the annular concave baffle 611 , and the limit members 622 and the annular concave baffle 611 are mutually limited to achieve movement position limitation of the pressure sensor 62 .

[0040] In another embodiment of the present invention, Figure 2 As shown, a loading platform 11 is disposed on the top of the base 10 , and the loading platform 11 is located below the detection chassis 60 , and the board to be detected is placed and fixed through the loading platform 11 .

[0041] In another embodiment of the present invention, Figure 2 As shown, a limiting frame 12 for adjusting the angle of the board to be tested is provided on the loading platform 11, and the board to be tested is positioned in the limiting frame 12 to achieve comprehensive and effective testing.

[0042] In another embodiment of the present invention, Figure 2 As shown, the limiting frame 12 includes a first limiting rod 121, a second limiting rod 122, a first limiting cylinder 123 and a second limiting cylinder 124. The first limiting cylinder 123 and the second limiting cylinder 124 are both installed on the water loading platform 11, and the first limiting cylinder 123 and the second limiting cylinder 124 on water are arranged relatively to each other. The first limiting rod 121 and the second limiting rod 122 are respectively fixedly installed on the moving ends of the first limiting cylinder 123 and the second limiting cylinder 124 on water. The first limiting rod 121 and the second limiting rod 122 are arranged relatively parallel. The first limiting cylinder 123 and the second limiting cylinder 124 respectively push the first limiting rod 121 and the second limiting cylinder 122 to move to limit the plate to be detected between the first limiting rod 121 and the second limiting rod 122.

[0043] In another embodiment of the present invention, Figure 2As shown, two cylinder mounting grooves 111 and two limiting grooves 112 are provided on the top of the loading platform 11, the two cylinder mounting grooves 111 are respectively identical to the two limiting grooves 112, and the two limiting grooves 112 are located between the two cylinder mounting grooves 111, the first limiting cylinder 123 and the second limiting cylinder 124 are respectively installed in the two cylinder mounting grooves 111, the first limiting rod 121 and the second limiting rod 122 move in the two limiting grooves 112 respectively, the first limiting rod 121 and the second limiting rod 122 have the same height, and the first limiting rod 121 and the second limiting rod 122 are both higher than the depth of the limiting groove 112, effectively avoiding the interference of the first limiting cylinder 123 and the second limiting cylinder 124 during operation, and at the same time avoiding the interference of the first limiting rod 121 and the second limiting rod 122 with the detection of the edge of the plate to be detected, the protruding parts of the first limiting rod 121 and the second limiting rod 122 are lower than the thickness of the plate to be detected, so that enough space is left for the edge of the plate to be detected.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision rigid-flex board test fixture, characterized by: It includes a base, a support column, a transverse moving device, a longitudinal moving device, a rotating device and a detection chassis. The detection chassis is provided with a plurality of pressure sensors arranged in a matrix, each of the pressure sensors is arranged at the bottom of the detection chassis, the detection chassis is assembled on the rotating end at the bottom of the rotating device, the rotating device is installed on the moving end of the longitudinal moving device, the longitudinal moving device is installed on the moving end of the transverse moving device, the support column is fixedly installed on the top of the base, and the transverse moving device is fixedly installed on the top of the support column, and the detection chassis is located above the base.

2. The high-precision rigid-flex board test fixture according to claim 1, characterized in that: A resistance ball is movably mounted on the sensing end of the pressure sensor, and the resistance ball is located at the bottom of the pressure sensor.

3. The high-precision rigid-flex board test fixture according to claim 1, characterized in that: A buffer spring is arranged on the top of the pressure sensor, and two ends of the buffer spring are respectively connected to the bottom of the detection chassis and the top of the pressure sensor, and the end of the buffer spring abuts against the sensing end of the top of the pressure sensor.

4. The high-precision rigid-flex board test fixture according to claim 3, characterized in that: A plurality of mounting holes are arranged at the bottom of the detection chassis, the top of the pressure sensor and the buffer spring are both located in the mounting holes, one end of the buffer spring abuts against the bottom plane of the mounting hole, and the pressure sensor is movably connected to the mounting hole.

5. The high-precision rigid-flex board test fixture according to claim 4, characterized in that: An annular concave baffle is arranged at the opening of the mounting hole.

6. The high-precision rigid-flex board test fixture according to claim 5, characterized in that: At least two limiting members are arranged at intervals on the outer side surface of the pressure sensor, and the limiting members are clamped with the annular concave baffle.

7. The high-precision rigid-flex board test fixture according to claim 1, characterized in that: A loading platform is arranged on the top of the base, and the loading platform is located below the detection chassis.

8. The high-precision rigid-flex board test fixture according to claim 7, characterized in that: The loading platform is provided with a limiting frame for adjusting the angle of the board to be tested.

9. The high-precision rigid-flex board test fixture according to claim 8, characterized in that: The limiting frame includes a first limiting rod, a second limiting rod, a first limiting cylinder and a second limiting cylinder. The first limiting cylinder and the second limiting cylinder are both installed on the water loading platform, and the first limiting cylinder and the second limiting cylinder on the water are arranged opposite to each other. The first limiting rod and the second limiting rod are respectively fixedly installed on the moving ends of the first limiting cylinder and the second limiting cylinder on the water, and the first limiting rod and the second limiting rod are arranged relatively parallel.

10. The high-precision rigid-flex board test fixture according to claim 9, characterized in that: Two cylinder mounting grooves and two limiting grooves are provided on the top of the loading platform, the two cylinder mounting grooves are respectively the same as the two limiting grooves, and the two limiting grooves are located between the two cylinder mounting grooves, the first limiting cylinder and the second limiting cylinder are respectively installed in the two cylinder mounting grooves, the first limiting rod and the second limiting rod respectively move in the two limiting grooves, the first limiting rod and the second limiting rod have the same height, and the first limiting rod and the second limiting rod are both higher than the depth of the limiting groove.