ICT double-station automatic test instrument

Abstract

The utility model discloses an information communication technology (ICT) double-station automatic testing instrument, which belongs to the field of testing instruments and comprises an ICT double-station tester, an arranged connecting mechanism is matched with the ICT double-station tester for use, and after an inserting plate on the bottom surface of a testing needle bed is inserted into an inserting groove from the lower part of a fixing plate, the testing needle bed is inserted into the inserting groove. After the limiting plate is pulled and turned over to enable the limiting plate not to be limited by the limiting rod any more, the reset spring stretches and enables the movable plate to move towards the outer side, a clamping strip installed on the outer side wall of the movable plate penetrates through a through opening to be inserted into a clamping opening formed in the side wall of an insertion plate in an insertion groove, and therefore installation of the test needle bed is completed. When the test needle bed needs to be replaced, a limiting plate is turned over to be limited by a limiting rod through a limiting hole, then a clamping strip can be moved out of a bayonet, then the test needle bed is taken down from the bottom face of a fixing plate, and the test needle bed can be disassembled; therefore, the purpose that the test needle bed can be conveniently and rapidly disassembled, assembled and replaced on the bottom face of the lower pressing plate is achieved through the connecting mechanism.

Description

Technical Field

[0001] The utility model relates to the field of testing instruments, in particular to an ICT double-station automatic testing instrument. Background Art

[0002] In-circuit tester, referred to as ICT, is an online static test equipment for circuit boards, known as ICT / ATE / ATS test in the industry. ICT in-circuit tester generally refers to the test after PCBA is powered on, mainly including voltage, current, power, power factor, frequency, duty cycle, brightness and color, character recognition, voice recognition, temperature measurement, pressure measurement, motion control, FLASH and EEPROM burning and other test items.

[0003] In the prior art, when the existing ICT double-station automated testing instrument is used to test circuit boards, since the test needle bed of the ICT double-station automated testing instrument is usually fixedly installed on the lower pressure plate, the ICT double-station automated testing instrument is limited by the test needle bed, resulting in the ICT double-station automated testing instrument being able to test circuit boards of specific specifications. When testing circuit boards of certain specifications, it is necessary to disassemble and replace the corresponding test needle bed or replace test equipment of different specifications, resulting in cumbersome operation when testing circuit boards of different specifications, making it inconvenient for the ICT double-station automated testing instrument to quickly disassemble and replace the test needle bed to test circuit boards of different specifications, thereby reducing work efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide an ICT double-station automatic testing instrument, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An ICT double-station automated testing instrument comprises an ICT double-station tester, wherein a symmetrical lower pressure plate is arranged inside the ICT double-station tester, and the characteristic is that a test needle bed is fixedly connected to the lower side of the lower pressure plate through a connecting mechanism, and the connecting mechanism comprises a fixed plate, a fixed rod, a reset spring, a movable plate, a clamping strip, a connecting block, a concave block and a limit plate, the fixed plate is fixedly connected to the bottom surface of the lower pressure plate, and two groups of symmetrical fixed rods are fixedly connected to the inside of the fixed plate, the reset spring is sleeved on the outside of the fixed rod, and the movable plate is movably connected to the fixed rod through a connecting hole on the side wall and fixedly connected to the outer end of the reset spring, the clamping strip is fixedly connected to the outer side wall of the movable plate, and the connecting block is fixedly connected to the front end of the movable plate, the concave block is fixedly connected to the front end of the connecting block, and the limit plate is movably connected to the concave block through rotating rods at the upper and lower ends of one side.

[0007] Preferably, the fixing plate is fixedly mounted on the bottom surface of the lower pressure plate, and a group of left-right symmetrical inner cavities are opened inside the fixing plate, a through opening is opened on the side wall of the inner cavity close to the outer side, and a group of symmetrical movable openings respectively connected to the inner cavities are opened on the front end wall of the fixing plate, a group of symmetrical limit rods are also fixedly mounted on the front end wall of the fixing plate and located between the symmetrical movable openings, and a group of left-right symmetrical slots are opened on the bottom surface of the fixing plate.

[0008] Preferably, a group of symmetrical fixing rods are fixedly installed inside the inner cavity, and a reset spring is sleeved on the outside of the fixing rods. A group of symmetrical connecting holes are opened on the side wall of the movable plate and the movable plate is movably installed with the fixing rods through the connecting holes. The movable plate is also fixedly installed on the outer end of the reset spring, and a clamping strip is fixedly installed on the outer wall of the movable plate.

[0009] Preferably, a connecting block is fixedly mounted on the front end wall of the movable plate, and the connecting block is movably mounted in the movable opening. A concave block is fixedly mounted on the front end wall of the connecting block, and rotation holes are respectively provided at the upper and lower ends of the concave opening of the concave block.

[0010] Preferably, rotating rods are fixedly mounted on the inner upper and lower ends of the limiting plate, respectively, and the rotating rods are movably mounted in the rotating hole, and a limiting hole is further provided on one side of the front end wall of the limiting plate.

[0011] Preferably, a group of bilaterally symmetrical plug-in boards are fixedly mounted on the top surface of the test needle bed, and the plug-in boards are inserted and installed in the slots, and the outer side walls of the plug-in boards are provided with snap-in openings corresponding to the snap-in strips.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, the provided connection mechanism cooperates with the use of the ICT double-station tester. After the plug-in plate on the bottom surface of the test needle bed is inserted into the slot from the bottom of the fixed plate, the limit plate is pulled and flipped so that the limit plate is no longer restricted by the limit rod, the reset spring will extend and move the movable plate outward, so that the card strip installed on the outer wall of the movable plate passes through the through opening and is inserted into the card slot opened on the side wall of the plug-in plate in the slot, so as to complete the installation of the test needle bed. When the test needle bed needs to be replaced, the limit plate is flipped so that the limit plate is restricted by the limit rod through the limit hole, the card strip can be moved out of the card slot, and the test needle bed can be removed from the bottom surface of the fixed plate to disassemble the test needle bed, thereby achieving the purpose of facilitating the rapid disassembly and replacement of the test needle bed on the bottom surface of the lower pressure plate through the connection mechanism, so that the test needle bed on the ICT double-station tester can be replaced in time to test circuit boards of different specifications and models, thereby improving the work efficiency of the ICT double-station tester when testing circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the test needle bed of the utility model;

[0016] Figure 3 It is a schematic diagram of the structural disassembly of the connecting mechanism of the utility model.

[0017] In the figure: 1. ICT double-station tester; 2. lower pressure plate; 3. test needle bed; 4. connecting mechanism; 5. plug-in plate; 6. bayonet; 7. fixing plate; 8. inner cavity; 9. through port; 10. slot; 11. movable port; 12. limit rod; 13. fixing rod; 14. reset spring; 15. movable plate; 16. connecting hole; 17. clamping strip; 18. connecting block; 19. concave block; 20. rotating hole; 21. limit plate; 22. rotating rod; 23. limit hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1 - Figure 3 As shown, in this embodiment, in order to facilitate the ICT double-station tester 1 to quickly disassemble and replace the test needle bed 3 through the connection mechanism 4, so as to test circuit boards of different specifications and models, and the specific use principle of the connection mechanism 4 in conjunction with the ICT double-station tester 1 is as follows:

[0020] When installing the test needle bed 3, insert the plug plate 5 installed on the top surface of the test needle bed 3 from under the lower pressure plate 2 into the slot 10 opened on the bottom surface of the fixed plate 7 installed on the bottom surface of the lower pressure plate 2, and then manually pull the two limit plates 21 inward in turn and flip the limit plate 21 in the outward direction, the rotating rod 22 installed on the upper and lower ends of one side of the limit plate 21 will rotate in the rotating hole 20 opened at the upper and lower ends in the recess of the concave block 19, so that the limit rod 12 installed on the front end wall of the fixed plate 7 is moved out from the limit hole 23 opened on one side of the front end wall of the limit plate 21, and the limit rod 12 no longer limits the limit plate 21, at this time, the connecting block 18 will be fixed The movable opening 11 on the front end wall of the plate 7 moves outward, and the reset spring 14 on the outside of the fixed rod 13 installed in the inner cavity 8 opened in the fixed plate 7 will restore the extension operation after losing the limiting force, and push the movable plate 15 in the inner cavity 8 outward, and the movable plate 15 will move along the fixed rod 13 through the connecting hole 16 opened on the side wall, until the clamping strip 17 installed on the outer wall of the movable plate 15 passes through the through opening 9 opened on the side wall of the inner cavity 8 close to the outside and is inserted into the clamping opening 6 opened on the side wall of the insert plate 5 in the slot 10, so as to install the test needle bed 3 to the bottom of the lower pressing plate 2 through the connecting mechanism 4;

[0021] When the test needle bed 3 needs to be replaced and disassembled, the limit plate 21 is pulled inward and flipped over to allow the limit rod 12 to be inserted into the limit hole 23 provided on the limit plate 21, so that the limit rod 12 limits the limit plate 21, and in this process, the limit plate 21 drives the connecting block 18 to move in the movable opening 11 through the concave block 19, and the connecting block 18 drives the movable plate 15 to move inward in the inner cavity 8 along the fixed rod 13 through the connecting hole 16, and forces the reset spring 14 to retract until the card strip 17 installed on the outer wall of the movable plate 15 moves out of the card opening 6 and enters To the through opening 9, finally, the test needle bed 3 is taken out from under the lower pressure plate 2, and the plug board 5 is pulled out from the slot 10 to disassemble the test needle bed 3. After the disassembly is completed, the test needle bed 3 that needs to be replaced can be reinstalled under the lower pressure plate 2 using the above-mentioned installation method, thereby achieving the purpose of facilitating the rapid disassembly, assembly and replacement of the test needle bed 3 on the bottom surface of the lower pressure plate 2 through the connecting mechanism 4, so that the test needle bed 3 on the ICT double-station tester 1 can be replaced in time to test circuit boards of different specifications and models, thereby improving the working efficiency of the ICT double-station tester 1 when testing circuit boards.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced by equivalents, or some of its technical features may be replaced by equivalents without departing from the scope of the present invention. All that is within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An ICT double-station automated testing instrument, comprising an ICT double-station tester (1), wherein a symmetrical lower pressing plate (2) is provided inside the ICT double-station tester (1), and characterized in that: The lower portion of the lower pressing plate (2) is fixedly connected to a test needle bed (3) via a connecting mechanism (4), and the connecting mechanism (4) comprises a fixing plate (7), a fixing rod (13), a reset spring (14), a movable plate (15), a clamping strip (17), a connecting block (18), a concave block (19) and a limiting plate (21), the fixing plate (7) is fixedly connected to the bottom surface of the lower pressing plate (2), and two groups of symmetrical fixing rods (13) are fixedly connected inside the fixing plate (7), and the reset spring (14) is sleeved on the fixing rods ( The movable plate (15) is movably connected to the fixed rod (13) through the connecting hole (16) on the side wall and is fixedly connected to the outer end of the return spring (14), the clamping strip (17) is fixedly connected to the outer wall of the movable plate (15), and the connecting block (18) is fixedly connected to the front end of the movable plate (15), the concave block (19) is fixedly connected to the front end of the connecting block (18), and the limit plate (21) is movably connected to the concave block (19) through the rotating rods (22) at the upper and lower ends of one side.

2. The ICT double-station automatic test instrument according to claim 1, characterized in that: The fixing plate (7) is fixedly mounted on the bottom surface of the lower pressure plate (2), and a group of left-right symmetrical inner cavities (8) are opened inside the fixing plate (7), a through opening (9) is opened on the side wall of the inner cavity (8) close to the outside, and a group of symmetrical movable openings (11) respectively connected to the inner cavity (8) are opened on the front end wall of the fixing plate (7), a group of symmetrical limiting rods (12) are fixedly mounted on the front end wall of the fixing plate (7) and located between the symmetrical movable openings (11), and a group of left-right symmetrical slots (10) are opened on the bottom surface of the fixing plate (7).

3. The ICT double-station automatic test instrument according to claim 2 is characterized in that: A group of symmetrical fixing rods (13) are fixedly installed inside the inner cavity (8), and a reset spring (14) is sleeved on the outside of the fixing rods (13). A group of symmetrical connecting holes (16) are opened on the side wall of the movable plate (15) and the movable plate (15) is movably installed with the fixing rods (13) through the connecting holes (16). The movable plate (15) is also fixedly installed on the outer end of the reset spring (14), and a clamping strip (17) is fixedly installed on the outer wall of the movable plate (15).

4. The ICT double-station automatic test instrument according to claim 3 is characterized in that: A connecting block (18) is fixedly mounted on the front end wall of the movable plate (15), and the connecting block (18) is movably mounted in the movable opening (11). A concave block (19) is fixedly mounted on the front end wall of the connecting block (18), and a rotation hole (20) is respectively formed at the upper and lower ends of the concave opening of the concave block (19).

5. The ICT double-station automatic test instrument according to claim 4 is characterized in that: The upper and lower ends of the inner side of the limit plate (21) are respectively fixedly mounted with a rotating rod (22), and the rotating rod (22) is movably mounted in the rotating hole (20). A limit hole (23) is also provided on one side of the front end wall of the limit plate (21).

6. The ICT double-station automatic test instrument according to claim 5, characterized in that: A group of bilaterally symmetrical plug boards (5) are fixedly mounted on the top surface of the test needle bed (3), and the plug boards (5) are inserted and mounted in the slots (10). A snap-in opening (6) corresponding to the snap-in strip (17) is provided on the outer side wall of the plug boards (5).

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