Flip test point external connection detection tool

Abstract

The invention discloses a flip test point external connection detection jig, and aims to provide a flip test point external connection detection jig which is simple in structure, adopts a universal joint plug-in mode design, can be compatible with various fixtures, and realizes measurement of each signal in a test process by leading out a test signal point to the outer side. The device comprises a test frame assembly and a clamp assembly, the test frame assembly comprises a test outer frame and a test module, the clamp assembly comprises a base module and a gland module, the gland module comprises a gland, a horizontal pressing block module and a pressing plate module, and the base module comprises a base, a carrier plate module, a test needle mold and a rotary pre-pressing module. The base is arranged on the upper end face of the testing outer frame, one side of the gland is hinged to one side of the base, the horizontal pressing block module and the pressing plate module drive a product on the carrier plate module to be matched with the testing needle die, and the testing needle die is connected and conducted with the testing module in the testing outer frame. The method is applied to the technical field of product detection.

Description

Technical Field

[0001] The present invention is applied to the technical field of product detection, and particularly relates to an external detection fixture for flip test points. Background Art

[0002] During the assembly process of various electronic products, due to the limitations of the internal structure of the electronic product housing, each component will be stacked and misaligned. Therefore, various types of flexible printed circuit boards are used for connection and assembly between components. While achieving the connection between components and the cooperation of various functions, the internal structure of the product is made more compact to meet the enterprise's requirements for intelligent and refined production of electronic products. Since the flexible cable product is relatively soft and has poor compressive resistance, it needs to be powered on and tested before assembly. For the testing of such bent flexible cables, a flexible printed circuit board test fixture is usually used for fixing, and connection and power-on testing with the detection module are achieved. In the existing fixture structure, it can basically only be compatible with hard flexible cable products, cannot adapt to various bent flexible printed circuit boards, and cannot detect multiple test points simultaneously. For flexible printed circuit boards with a small volume, the manual material replacement accuracy is low, it is easy to cause bumps, and the compatibility is poor. It is impossible to achieve rapid replacement of multiple fixtures, and the equipment cost and labor cost are relatively high. If a flip test point external detection fixture with a simple structure, designed with a universal joint plug-in method, can be compatible with multiple fixtures, and the test signal points are led out outside, so as to measure each signal during the test process, the above problems can be solved. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide an external detection fixture for flip test points with a simple structure, designed with a universal joint plug-in method, which can be compatible with multiple fixtures, and the test signal points are led out outside, so as to measure each signal during the test process.

[0004] The technical solution adopted by the present invention is as follows: The present invention includes a test frame assembly and a fixture assembly. The test frame assembly includes a test outer frame and a test module. The fixture assembly includes a base module and a pressing cover module. The pressing cover module includes a pressing cover, a horizontal pressing block module, and a pressing plate module. The base module includes a base, a carrier plate module, a test pin mold, and a rotating pre-pressing module. The base is arranged on the upper end surface of the test outer frame. One side of the pressing cover is hinged to one side of the base. The horizontal pressing block module and the pressing plate module drive the product on the carrier plate module to cooperate with the test pin mold. The test pin mold is connected and conducted with the test module inside the test outer frame.

[0005] Further, the test probe module includes a cell probe module and a BB probe module. The carrier board module is arranged in the middle of the upper end face of the base. The cell probe module and the BB probe module are arranged on the lower end face of the base. The probe end of the cell probe module passes through the lower end of the carrier board module and is connected to the product lower pin point. The probe end of the BB probe module is connected to the product connector end on the carrier board module. The other ends of the cell probe module and the BB probe module are connected and conductively connected to the adapter board module on the lower end face of the base.

[0006] Further, the cell probe module includes an upper pin block, a tail pin board, and a plurality of probes. The upper pin block is connected to the upper end face of the tail pin board. A plurality of the probes are arranged inside the upper pin block. The upper ends of the plurality of probes are matched with the product lower pin point. The lower ends of the plurality of probes pass through the tail pin board and are connected and conductively connected to the adapter board module.

[0007] Further, the carrier board module includes a carrier board bottom plate, a cover plate, and a cover plate mounting seat. The carrier board bottom plate is floatingly connected to the base through a plurality of first floating springs and a plurality of first equal-height screws. The cover plate mounting seat is arranged on one side of the upper end face of the carrier board bottom plate. One end of the cover plate is hinged to the cover plate mounting seat. The other end of the cover plate is locked and matched with the other side of the carrier board bottom plate. The pressing end of the cover plate is matched with the product limiting groove in the middle of the upper end face of the carrier board bottom plate.

[0008] Further, the horizontal pressing block module includes a pressing block frame, a pressing seat, and a first pressing block. One end of the pressing block frame is hinged to the lower end face of the pressing cover. The pressing seat is floatingly connected to the upper end face of the pressing block frame through a plurality of second floating springs and a plurality of second equal-height screws. A pressing block through hole is arranged in the middle of the pressing block frame. The first pressing block is floatingly connected to the lower end face of the pressing seat through a plurality of third floating springs and a plurality of third equal-height screws and passes through the pressing block through hole. The pressing end of the first pressing block drives the rotary pre-pressing module to be matched with the product connector end.

[0009] Further, the pressing plate module includes a second pressing block and a pressing plate. The pressing plate is matched with the pressing end of the second pressing block. The pressing plate is floatingly connected to one side of the lower end face of the pressing cover through a plurality of pressing springs. The pressing cover drives the pressing plate to be matched with the product.

[0010] Further, a locking buckle is arranged at the fixture fixing position on the upper end of the test outer frame. One side of the locking buckle is hinged to the middle of the upper end face of the test outer frame. The locking buckle is locked and matched with the fixture assembly.

[0011] Further, a connection port is arranged in the middle of the upper end of the test outer frame. The wire harness end of the test module is connected and conductively connected to the adapter board module through the connection port.

[0012] Further, a number of positioning pins are provided at the fixture fixing positions at the upper end of the test outer frame, and the number of the positioning pins is in limit fit with the base.

[0013] Further, a number of heat dissipation holes are provided on the test outer frame.

[0014] The beneficial effects of the present invention are as follows: The present application adopts the design of the plug-in of the universal joint, which can be compatible with a variety of fixture components, enabling different fixture components to achieve quick replacement and connection, with high applicability. Then, by leading out the test signal points on the outside, each signal can be measured during the test process. During the downward pressing and docking process, the buffer pre-pressing of the product connector end is realized through the pressing plate module and the rotary pre-pressing module, so that the connector end will not shift. Then, the carrier plate module is stably pressed by the pressing plate module, enabling the test needle mold to be accurately docked with the product to achieve power-on detection, effectively preventing overvoltage and inaccurate positioning, with a simple structure and higher detection efficiency. Description of the Drawings

[0015] Figure 1 is the three-dimensional view of the present invention; Figure 2 is the three-dimensional view of another state of the present invention; Figure 3 is the three-dimensional view of the fixture component; Figure 4 is the three-dimensional view of another state of the fixture component; Figure 5 is the exploded view of the test frame component; Figure 6 is the exploded view of the fixture component; Figure 7 is the exploded view of the gland module; Figure 8 is the exploded view of the cell needle mold; Figure 9 is the exploded view of the horizontal pressing block module; Figure 10 is the exploded view of the carrier module. Detailed Description of the Invention

[0016] As Figures 1 to 10As shown in the figure, in this embodiment, the present invention includes a test frame assembly 1 and a fixture assembly 2. The test frame assembly 1 includes a test outer frame 3 and a test module 4. The fixture assembly 2 includes a base module 5 and a gland module 6. The gland module 6 includes a gland 61, a horizontal pressing block module 62, and a pressing plate module 63. The base module 5 includes a base 51, a carrier plate module 52, a test pin mold 53, and a rotary preloading module 54. The base 51 is disposed on the upper end surface of the test outer frame 3. One side of the gland 61 is hinged to one side of the base 51. The horizontal pressing block module 62 and the pressing plate module 63 drive the product on the carrier plate module 52 to cooperate with the test pin mold 53. The test pin mold 53 is connected and conducted with the test module 4 inside the test outer frame 3. Thus, it can be seen that the test module 4 is disposed inside the test outer frame 3. By leading out the test signal points on the outside, the test module 4 is connected to the product on the carrier plate module 52 during the test process. The design of using a universal joint plug-in method can be compatible with a variety of fixtures, with a simple structure and better detection effect.

[0017] As Figure 6 shown in the figure, in this embodiment, the test pin mold 53 includes a cell pin mold 531 and a B2B pin mold 532. The carrier plate module 52 is disposed in the middle of the upper end surface of the base 51. The cell pin mold 531 and the B2B pin mold 532 are disposed on the lower end surface of the base 51. The probe end of the cell pin mold 531 passes through the lower end of the carrier plate module 52 and is connected to the product lower pin point. The probe end of the B2B pin mold 532 is connected to the product connector end on the carrier plate module 52. The other ends of the cell pin mold 531 and the B2B pin mold 532 are connected and conducted with the adapter plate module 55 on the lower end surface of the base 51. Thus, it can be seen that the cell pin mold 531 and the B2B pin mold 532 respectively independently connect the pin points and connector points of the product, thereby realizing the simultaneous detection of multiple detection points.

[0018] As Figure 8 shown in the figure, in this embodiment, the cell pin mold 531 includes an upper pin block 533, a tail pin plate 534, and a plurality of probes 535. The upper pin block 533 is connected to the upper end surface of the tail pin plate 534. A plurality of the probes 535 are disposed inside the upper pin block 533. The upper ends of the plurality of probes 535 are matched with the product lower pin point. The lower ends of the plurality of probes 535 pass through the tail pin plate 534 and are connected and conducted with the adapter plate module 55. Thus, it can be seen that the plurality of probes 535 realize the connection between the product and the adapter plate module 55, thereby realizing the connection and conduction with the test module 4.

[0019] As Figure 4 and Figure 10As shown, in this embodiment, the carrier board module 52 includes a carrier board bottom plate 521, a cover plate 522, and a cover plate mounting seat 523. The carrier board bottom plate 521 is floatingly connected to the base 51 through a plurality of first floating springs 7 and a plurality of first equal-height screws 8. The cover plate mounting seat 523 is arranged on one side of the upper end surface of the carrier board bottom plate 521. One end of the cover plate 522 is hinged to the cover plate mounting seat 523, and the other end of the cover plate 522 is locked and cooperated with the other side of the carrier board bottom plate 521. The pressing end of the cover plate 522 is cooperated with the product limiting groove 524 in the middle of the upper end surface of the carrier board bottom plate 521. Thus, it can be seen that the plurality of first floating springs 7 provide a buffering effect when the pressing plate module 63 presses the cover plate 522, preventing the cover plate 522 from overpressing the product in the product limiting groove 524.

[0020] As Figure 9 shown, in this embodiment, the horizontal pressing block module 62 includes a pressing block frame 621, a pressing seat 622, and a first pressing block 623. One end of the pressing block frame 621 is hinged to the lower end surface of the pressing cover 61. The pressing seat 622 is floatingly connected to the upper end surface of the pressing block frame 621 through a plurality of second floating springs 9 and a plurality of second equal-height screws 10. A pressing block through hole 624 is arranged in the middle of the pressing block frame 621. The first pressing block 623 is floatingly connected to the lower end surface of the pressing seat 622 through a plurality of third floating springs 11 and a plurality of third equal-height screws 12 and passes through the pressing block through hole 624. The pressing end of the first pressing block 623 drives the rotary pre-pressing module 54 to cooperate with the product connector end. Thus, it can be seen that the first pressing block 623 will be subjected to the action of two sets of buffering forces during the downward pressing process, and the connector end of the product is fixed in the product limiting groove 524 without deviation by pressing the rotary pre-pressing module 54.

[0021] As Figure 7 shown, in this embodiment, the pressing plate module 63 includes a second pressing block 631 and a pressing plate 632. The pressing plate 632 is cooperated with the pressing end of the second pressing block 631. The pressing plate 632 is floatingly connected to one side of the lower end surface of the pressing cover 61 through a plurality of pressing springs 13. The pressing cover 61 drives the pressing plate 632 to cooperate with the product. Thus, it can be seen that the force is more uniform during the process of the pressing plate 632 pressing the cover plate 522, and the plurality of pressing springs 13 provide a buffering effect.

[0022] As Figure 1 and Figure 2As shown, in this embodiment, a locking buckle 14 is provided at the fixture fixing position at the upper end of the test outer frame 3. One side of the locking buckle 14 is hinged to the middle of the upper end face of the test outer frame 3, and the locking buckle 14 is locked and cooperated with the fixture assembly 2. Thus, it can be seen that the locking buckle 14 can fix the fixture assembly 2 on the test outer frame 3 without deviation, and a quick-change device is provided, so that the replacement efficiency is higher after the test is completed.

[0023] As Figure 1 and Figure 5 As shown, in this embodiment, a connection port 15 is provided in the middle of the upper end of the test outer frame 3. The wire harness end of the test module 4 is connected and conducted with the adapter board module 55 through the connection port 15. Thus, it can be seen that the test signal points are transferred to the outside through the connection port 15, and each signal is measured during the test by directly connecting the wire harness to the fixture.

[0024] As Figure 2 As shown, in this embodiment, a plurality of positioning pins 16 are provided at the fixture fixing position at the upper end of the test outer frame 3. The plurality of positioning pins 16 are in limit cooperation with the base 51. Thus, it can be seen that the plurality of positioning pins 16 are adapted to a plurality of groups of the fixture assemblies 2, can position the fixture assemblies 2, and prevent deviation during the pressing and locking process of the locking buckle 14.

[0025] As Figure 1 and Figure 2 As shown, in this embodiment, the test outer frame 3 is provided with a plurality of heat dissipation holes 17. Thus, it can be seen that the plurality of heat dissipation holes 17 can prevent the test module 4 from being damaged due to overheating.

[0026] Working principle of the present invention: Before the device is started, open the locking buckle 14, then place the fixture assembly 2 at the detection position of the test outer frame 3, fasten and lock the locking buckle 14, open the pressure cover 61 and the cover plate 522, place the product to be detected in the product limit groove 524, flip and close the cover plate 522 to complete the preliminary positioning of the product. When closing the pressure cover 61, the pressing end of the horizontal pressing block module 62 contacts the product connector end and realizes pre-pressing. Continue to press the pressure cover 61 to drive the pressing end of the horizontal pressing block module 62 to stably press the product connector end. At the same time, the pressing plate module 63 drives the cover plate 522 to press the product so that the lower needle point and the connector end of the product are respectively docked with the cell needle die 531 and the B2B needle die 532. After the docking is completed, the locking buckle 14 is fastened, and the whole device is locked. After the power-on detection is completed, open the pressure cover 61, replace the detected product, and repeat the above steps to realize the external detection of the test points of the flexible circuit board during bending.

[0027] Although the embodiments of the present invention are described with actual solutions, they do not constitute a limitation on the meaning of the present invention. For those skilled in the art, modifications to its implementation solutions according to this specification and combinations with other solutions are obvious.

Claims

1. An external detection fixture for flip test points, comprising a test frame assembly (1) and a fixture assembly (2), characterized in that: The test box assembly (1) includes a test outer frame (3) and a test module (4), the fixture assembly (2) includes a base module (5) and a gland module (6), the gland module (6) includes a gland (61), a horizontal pressing block module (62) and a pressing plate module (63), the base module (5) includes a base (51), a carrier plate module (52), a test pin mold (53) and a rotary pre-pressing module (54), the base (51) is arranged on the upper end surface of the test outer frame (3), one side of the gland (61) is hinged to one side of the base (51), the horizontal pressing block module (62) and the pressing plate module (63) drive the product on the carrier plate module (52) to cooperate with the test pin mold (53), and the test pin mold (53) is connected and conducted with the test module (4) inside the test outer frame (3).

2. The external detection fixture for flip test points according to claim 1, characterized in that: The test pin mold (53) includes a cell pin mold (531) and a B2B pin mold (532), the carrier plate module (52) is arranged in the middle of the upper end surface of the base (51), the cell pin mold (531) and the B2B pin mold (532) are arranged on the lower end surface of the base (51), the probe end of the cell pin mold (531) passes through the lower end of the carrier plate module (52) and is connected to the product lower pin point, the probe end of the B2B pin mold (532) is connected to the product connector end on the carrier plate module (52), and the other ends of the cell pin mold (531) and the B2B pin mold (532) are connected and conducted with the adapter plate module (55) on the lower end surface of the base (51).

3. The external detection fixture for flip test points according to claim 2, characterized in that: The cell pin mold (531) includes an upper pin block (533), a tail pin plate (534) and a plurality of probes (535), the upper pin block (533) is connected to the upper end surface of the tail pin plate (534), a plurality of the probes (535) are arranged inside the upper pin block (533), the upper ends of the plurality of probes (535) are matched with the product lower pin point, and the lower ends of the plurality of probes (535) pass through the tail pin plate (534) and are connected and conducted with the adapter plate module (55).

4. The external detection fixture for flip test points according to claim 1, wherein: The carrier plate module (52) includes a carrier plate bottom plate (521), a cover plate (522) and a cover plate mounting seat (523), the carrier plate bottom plate (521) is floatingly connected to the base (51) through a plurality of first floating springs (7) and a plurality of first equal-height screws (8), the cover plate mounting seat (523) is arranged on one side of the upper end surface of the carrier plate bottom plate (521), one end of the cover plate (522) is hinged to the cover plate mounting seat (523), the other end of the cover plate (522) is locked and matched with the other side of the carrier plate bottom plate (521), and the pressing end of the cover plate (522) is matched with the product limiting groove (524) in the middle of the upper end surface of the carrier plate bottom plate (521).

5. The external detection fixture for flip test points according to claim 1, wherein: The horizontal press block module (62) includes a press block frame (621), a press seat (622), and a first press block (623). One end of the press block frame (621) is hinged to the lower end surface of the press cover (61). The press seat (622) is floatingly connected to the upper end surface of the press block frame (621) through a plurality of second floating springs (9) and a plurality of second equal-height screws (10). A press block through hole (624) is provided in the middle of the press block frame (621). The first press block (623) is floatingly connected to the lower end surface of the press seat (622) through a plurality of third floating springs (11) and a plurality of third equal-height screws (12) and passes through the press block through hole (624). The pressing end of the first press block (623) drives the rotary pre-press module (54) to cooperate with the product connector end.

6. The external detection fixture for flip test points according to claim 2, wherein: The pressing plate module (63) includes a second press block (631) and a pressing plate (632). The pressing plate (632) cooperates with the pressing end of the second press block (631). The pressing plate (632) is floatingly connected to one side of the lower end surface of the press cover (61) through a plurality of pressing springs (13). The press cover (61) drives the pressing plate (632) to cooperate with the product.

7. The external detection fixture for flip test points according to claim 2, characterized in that: A locking buckle (14) is provided at the fixture fixing position at the upper end of the test outer frame (3). One side of the locking buckle (14) is hinged to the middle of the upper end surface of the test outer frame (3). The locking buckle (14) is in locking cooperation with the fixture assembly (2).

8. The external detection fixture for flip test points according to claim 7, characterized in that: A connection port (15) is provided in the middle of the upper end of the test outer frame (3). The wire harness end of the test module (4) is connected and conducted to the adapter board module (55) through the connection port (15).

9. The external detection fixture for flip test points according to claim 1, wherein: A plurality of positioning pins (16) are provided at the fixture fixing position at the upper end of the test outer frame (3). The plurality of positioning pins (16) are in limit cooperation with the base (51).

10. The external detection fixture for flip test points according to claim 1, characterized in that: The test outer frame (3) is provided with a plurality of heat dissipation holes (17).

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