Electrical property testing machine

Abstract

The utility model provides an electrical performance testing machine, which comprises a jig module, two groups of testing modules, a clamping jaw cylinder and two clamping jaws, each group of testing modules comprises a testing circuit board, a plug circuit board, a testing unit, a male head unit and a female head unit, the testing circuit board is detachably arranged on the plug circuit board, and the testing unit is detachably arranged on the female head unit. The test unit comprises at least two integrated probes, a plurality of male contact pins of the male contact unit are arranged on the test circuit board, the electric connection ends of the two male contact pins are electrically connected with one integrated probe through first electric wires respectively, and a plurality of female contact pins of the female contact unit are arranged on the plug circuit board. The plugging end of one male contact pin is detachably plugged in the sleeve end of one female contact pin, and the electric connection end of the female contact pin is electrically connected with an external male plug through a second wire. The electrical performance testing machine has the advantages of being convenient to disassemble and assemble, quick to replace or maintain and capable of repeatedly using part of the structure, thereby saving production cost and further improving production efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the electric performance test technical field of electronic component, especially to a kind of electric performance test machine. BACKGROUND

[0002] The test tool of existing electric performance test machine includes upper seat and base, test unit and first pin unit are arranged on the upper seat, the test unit has test site, first probe, second probe, third probe and fourth probe are arranged in the test site, the first pin unit has first needle group, and the first needle group includes first pin and second pin, the first pin is electrically connected with the first probe, and the second pin is electrically connected with the second probe, second pin unit is arranged on the base, and the second pin unit has second needle group, and the second needle group includes third pin and fourth pin, the upper seat and the base between have electrically connected assembly position, so that the third pin is electrically connected with the first pin, and the fourth pin is electrically connected with the second pin.

[0003] However, the test tool of existing electric performance test machine is integrated modular design, once fault occurs, it is difficult to disassemble, even cannot disassemble, leading to maintenance difficulty, only the whole replacement of entire test tool module can be carried out, leading to production cost increase, and the part structure of the test tool of existing electric performance test machine is complex, manufacturing difficulty is big and cycle is long, in turn leading to production cost increase. UTILITY MODEL CONTENT

[0004] In order to realize the main purpose of the utility model, the utility model provides a kind of electric performance test machine, which is convenient to disassemble and assemble, can be quickly replaced or repaired, and part of structure can be reused, so as to save production cost, and then improve production efficiency.

[0005] In order to realize the main purpose of the utility model, the utility model provides a kind of electric performance testing machine, including fixture module, two groups of test module, clamping jaw pneumatic cylinder and two clamping jaws, fixture module includes positioning fixture, the tooling table of positioning fixture is used to place test product, two groups of test module are respectively located in the two sides of tooling table in X axis direction, tooling table is located in the middle of two clamping jaws in X axis direction, clamping jaw pneumatic cylinder can control two clamping jaws in X axis direction towards or away from tooling table movement, every group of test module includes test circuit board, plug-in circuit board, test unit, male head unit and female head unit, one plug-in circuit board can be detachably arranged on one clamping jaw, test circuit board can be detachably arranged on plug-in circuit board, test unit includes at least two integrated probes, multiple integrated probes are arranged on the test end of test circuit board close to positioning fixture, and the detection end of integrated probe is used to contact the pin of test product, male head unit includes at least four male pins, multiple male pins are arranged on test circuit board, and the electrical connection end of two male pins protruding the upper end surface of test circuit board is electrically connected with one integrated probe by first electric wire, female head unit includes at least four female pins, multiple female pins are arranged on plug-in circuit board, and the plug-in end of one male pin protruding the lower end surface of test circuit board is detachably inserted in the sleeve end inside one female pin protruding the upper end surface of plug-in circuit board, and the electrical connection end of female pin protruding the lower end surface of plug-in circuit board is electrically connected with external male plug by second electric wire.

[0006] From the above scheme, it can be seen that the test product is placed on the tooling table of the positioning fixture of the utility model electric performance testing machine, then the clamping jaw pneumatic cylinder of the utility model electric performance testing machine controls two clamping jaws to move in X axis direction towards tooling table, since the plug-in circuit board of two groups of test module is detachably arranged on two clamping jaws respectively, thereby synchronously driving two groups of test module in X axis direction respectively located in the two sides of tooling table to move in X axis direction towards tooling table, so that the detection end of integrated probe of two groups of test module contacts the pin of test product on tooling table, thereby testing the electric performance of test product, such as testing voltage, current, resistance, voltage resistance and other electric performance parameters, to ensure the quality of test product out of factory.

[0007] The plug circuit board of the test module of the electric performance testing machine is detachably arranged on the clamping jaw, the test circuit board of the test module is detachably arranged on the plug circuit board of the test module, the plug-in end of the male pin on the test circuit board is detachably plugged into the sleeve end of the female pin on the plug circuit board, so that once a fault occurs, the test circuit board can be quickly detached from the plug circuit board, and the plug circuit board can be quickly detached from the clamping jaw, thereby facilitating maintenance, and if only one of the test circuit board and the plug circuit board needs to be replaced due to a fault, the other part that can normally work can be reserved for repeated use. Moreover, the part structure of the electric performance testing machine is designed to be simple, greatly reducing the manufacturing difficulty.

[0008] Therefore, the electric performance testing machine has the advantages of convenient disassembly and assembly, quick replacement or maintenance, and reusable part structure, thereby saving production cost and improving production efficiency.

[0009] A further scheme is that each test module further comprises at least one disassembly unit, the disassembly unit comprises a bolt and a nut, the test circuit board is provided with at least one first through hole in the Z-axis direction, the plug circuit board is provided with a second through hole corresponding to the first through hole in the Z-axis direction, the head of the bolt abuts against the upper end surface of the test circuit board, the shank of one bolt protrudes from the lower end surface of the plug circuit board through one first through hole and one second through hole in sequence, and one nut is detachably sleeved on one shank and abuts against the lower end surface of the plug circuit board.

[0010] A further scheme is that the disassembly unit further comprises a stud, the stud abuts between the test circuit board and the plug circuit board, and one shank is threadedly fitted through the internal thread hole of one stud.

[0011] A further scheme is that the plug circuit board is provided with a third through hole in the Z-axis direction, the upper end of the clamping jaw is provided with a threaded connection hole corresponding to the third through hole, and a threaded connection piece is threadedly connected with the threaded connection hole through the third through hole, so as to detachably arrange the plug circuit board on the clamping jaw.

[0012] A further scheme is that the sleeve end of the female pin protruding from the plug circuit board abuts against the lower end surface of the test circuit board.

[0013] A further scheme is that the jig module further comprises two clamping heads, the workbench is located at the middle part of the two clamping heads in the Y-axis direction, the clamping jaw cylinder can control the movement of the two clamping heads in the Y-axis direction, and the two clamping heads can be clamped on both sides of the test product in the Y-axis direction.

[0014] Further, the jig module further comprises two first elastic compression springs, two push rods and two limiting plates, the electric performance testing machine further comprises two driving claws, one first elastic compression spring is pressed between the workbench and one chuck in the Y-axis direction, the two limiting plates are arranged on the positioning jig and are located outside the two chucks in the Y-axis direction respectively, one chuck can abut on one limiting plate, the two push rods are located outside the two chucks in the Y-axis direction respectively, and the push rod is movably supported on the positioning jig in the Y-axis direction, the two driving claws are located outside the two push rods in the Y-axis direction respectively, the chucking cylinder can control the two driving claws to move towards or away from each other in the Y-axis direction, and one driving claw can press and force one push rod to move towards the workbench in the Y-axis direction, so that one push rod can press and drive one chuck to move towards the workbench in the Y-axis direction.

[0015] Further, the jig module further comprises two second elastic compression springs, one second elastic compression spring is pressed between one chuck and one push rod in the Y-axis direction.

[0016] Further, the electric performance testing machine further comprises two supporting plates, the two supporting plates are arranged side by side in the Y-axis direction, the chucking cylinder is located between the two supporting plates, the positioning jig is arranged on the two supporting plates, the two supporting plates are respectively provided with first limiting grooves in the Y-axis direction, and one driving claw is movably located in the first limiting groove in the Y-axis direction.

[0017] Further, the positioning jig is provided with four positioning plates protruding therefrom, two positioning plates are located on two sides of one chuck in the X-axis direction to form a second limiting groove, and one chuck is movably located in one second limiting groove in the Y-axis direction. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a first perspective view of an embodiment of the electric performance testing machine.

[0019] Figure 2 is a second perspective view of an embodiment of the electric performance testing machine.

[0020] Figure 3 is a first perspective view of an embodiment of the electric performance testing machine.

[0021] Figure 4 is a second perspective view of an embodiment of the electric performance testing machine.

[0022] Figure 5 is an exploded view of an embodiment of the electric performance testing machine.

[0023] Figure 6Is the utility model a kind of electric performance test machine embodiment in the structure diagram of the cooperation of clamping jaw cylinder, clamping jaw, driving jaw and support plate.

[0024] Figure 7 Is the utility model a kind of electric performance test machine embodiment in the structure diagram of jig module.

[0025] Figure 8 Is the utility model a kind of electric performance test machine embodiment in the sectional view of jig module.

[0026] Figure 9 Is the utility model a kind of electric performance test machine embodiment in the exploded view of jig module.

[0027] Figure 10 Is the utility model a kind of electric performance test machine embodiment in the first view angle structure diagram of test module.

[0028] Figure 11 Is the utility model a kind of electric performance test machine embodiment in the second view angle structure diagram of test module.

[0029] Figure 12 Is the utility model a kind of electric performance test machine embodiment in the exploded view of test module.

[0030] Figure 13 Is the utility model a kind of electric performance test machine embodiment in the sectional view of test module.

[0031] The utility model is further described below in connection with drawings and embodiments. Specific embodiments

[0032] Referring to Figures 1 to 13The embodiment discloses an electrical performance testing machine 10, which comprises a jig module 13, two groups of testing modules 16, a clamping jaw cylinder 11 and two clamping jaws 15. The jig module 13 comprises a positioning jig 131, a tool table 134 of the positioning jig 131 is used for placing a testing product, the two groups of testing modules 16 are respectively located on two sides of the tool table 134 in the X-axis direction, the tool table 134 is located in the middle of the two clamping jaws 15 in the X-axis direction, and the clamping jaw cylinder 11 can control the two clamping jaws 15 to move towards or away from the tool table 134 in the X-axis direction. Meanwhile, each group of testing modules 16 of the embodiment comprises a testing circuit board 161, a plug-in circuit board 162, a testing unit, a male head unit and a female head unit. One plug-in circuit board 162 is detachably arranged on one clamping jaw 15, the testing circuit board 161 is detachably arranged on the plug-in circuit board 162, the testing unit comprises at least two integrated probes 163, a plurality of integrated probes 163 are arranged on a testing end of the testing circuit board 161 close to the positioning jig 131, and a detection end 1631 of the integrated probe 163 is used for contacting a pin of the testing product. In addition, the male head unit comprises at least four male head pins 164, a plurality of male head pins 164 are arranged on the testing circuit board 161, and two male head pins 164 protrude from an electrical connection end 1641 of an upper end surface of the testing circuit board 161 and are respectively electrically connected to one integrated probe 163 through a first wire, the female head unit comprises at least four female head pins 165, a plurality of female head pins 165 are arranged on the plug-in circuit board 162, and a plug-in end 1642 of one male head pin 164 protruding from a lower end surface of the testing circuit board 161 is detachably plugged into a sleeve end 1652 of one female head pin 165 protruding from an upper end surface of the plug-in circuit board 162, and an electrical connection end 1651 of the female head pin 165 protruding from a lower end surface of the plug-in circuit board 162 is electrically connected to an external male plug through a second wire.

[0033] The testing product is placed on the tool table 134 of the positioning jig 131 of the electrical performance testing machine 10, then the clamping jaw cylinder 11 of the electrical performance testing machine 10 controls the two clamping jaws 15 to move towards the tool table 134 in the X-axis direction, because the plug-in circuit boards 162 of the two groups of testing modules 16 are respectively detachably arranged on the two clamping jaws 15, so that the two groups of testing modules 16 respectively located on two sides of the tool table 134 in the X-axis direction are simultaneously driven to move towards the tool table 134 in the X-axis direction, so that the detection ends 1631 of the integrated probes 163 of the two groups of testing modules 16 contact the pins of the testing product on the tool table 134, thereby testing the electrical performance of the testing product, such as testing voltage, current, resistance, voltage resistance and other electrical performance parameters, to ensure the quality of the testing product.

[0034] The plug circuit board 162 of the test module 16 of the electrical performance tester 10 of the embodiment can be detachably arranged on the clamping jaw 15, the test circuit board 161 of the test module 16 can be detachably arranged on the plug circuit board 162 of the test module 16, and the plug end 1642 of the male pin 164 on the test circuit board 161 can be detachably inserted into the sleeve end 1652 of the female pin 165 on the plug circuit board 162, so that once a fault occurs, the test circuit board 161 can be quickly detached from the plug circuit board 162, and the plug circuit board 162 can be quickly detached from the clamping jaw 15, thereby facilitating maintenance, and if only one of the test circuit board 161 and the plug circuit board 162 needs to be replaced due to a fault, the other part that can normally work can be reused. Moreover, the part structure of the electrical performance tester 10 of the embodiment is designed to be simple, which greatly reduces the manufacturing difficulty.

[0035] Therefore, the electrical performance tester 10 of the embodiment has the advantages of convenient disassembly, quick replacement or maintenance, and reusable part structure, thereby saving production cost and improving production efficiency.

[0036] In order to achieve the purpose of quick disassembly and replacement of the test circuit board 161 and the plug circuit board 162, each group of test modules 16 of the embodiment further includes at least one disassembly unit, the disassembly unit includes a bolt 166 and a nut 167, the test circuit board 161 is provided with at least one first through hole 1611 in the Z-axis direction, and the plug circuit board 162 is provided with a second through hole 1621 corresponding to the first through hole 1611 in the Z-axis direction, the head 1661 of the bolt 166 abuts against the upper end surface of the test circuit board 161, the shank 1662 of one bolt 166 protrudes out of the lower end surface of the plug circuit board 162 in sequence through one first through hole 1611 and one second through hole 1621, and one nut 167 is detachably sleeved on one shank 1662 and abuts against the lower end surface of the plug circuit board 162.

[0037] In order to ensure the stability of the assembly between the test circuit board 161 and the plug circuit board 162 and the reliability of the test precision, the disassembly unit of the embodiment further includes a stud 168, the stud 168 abuts between the test circuit board 161 and the plug circuit board 162, and one shank 1662 is threadedly fitted through the internal thread hole of one stud 168, thereby ensuring that the test circuit board 161 and the plug circuit board 162 are arranged in parallel with a fixed gap. Specifically, the sleeve end 1652 of the female pin 165 protruding out of the plug circuit board 162 abuts against the lower end surface of the test circuit board 161, thereby further ensuring that the test circuit board 161 and the plug circuit board 162 are arranged in parallel with a fixed gap, so as to further improve the stability of the assembly between the test circuit board 161 and the plug circuit board 162 and the reliability of the test precision.

[0038] In order to achieve the purpose of quick disassembly and quick replacement of the plug-in circuit board 162 and the clamping jaw 15, the third through hole 1622 is provided in the plug-in circuit board 162 in the Z-axis direction, the upper end of the clamping jaw 15 is provided with the threaded connection hole 151 corresponding to the third through hole 1622, and the threaded connection piece (not marked) is screwed with the threaded connection hole 151 through the third through hole 1622, so that the plug-in circuit board 162 can be detachably arranged on the clamping jaw 15. Specifically, the threaded connection piece is a threaded fastener such as a screw or a bolt.

[0039] In order to firmly limit the test product on the tooling table 134 to improve the test accuracy, the jig module 13 of the embodiment further comprises two clamping heads 132, the tooling table 134 is located in the middle of the two clamping heads 132 in the Y-axis direction, the clamping jaw cylinder 11 can control the two clamping heads 132 to move in the Y-axis direction, and the two clamping heads 132 can be clamped on both sides of the test product in the Y-axis direction.

[0040] Specifically, the jig module 13 of the embodiment further comprises two first elastic compression springs 137, two push rods 133 and two limiting plates 135, and the electrical performance test machine 10 further comprises two driving claws 14. One first elastic compression spring 137 is pressed between the tooling table 134 and one clamping head 132 in the Y-axis direction. Two limiting plates 135 are arranged on the positioning jig 131 and located outside the two clamping heads 132 in the Y-axis direction respectively. One clamping head 132 can abut on one limiting plate 135. Two push rods 133 are located outside the two clamping heads 132 in the Y-axis direction respectively, and the push rod 133 is movably supported on the positioning jig 131 in the Y-axis direction. Two driving claws 14 are located outside the two push rods 133 in the Y-axis direction respectively. The clamping jaw cylinder 11 can control the two driving claws 14 to move towards or away from each other in the Y-axis direction. One driving claw 14 can press and force one push rod 133 to move towards the tooling table 134 in the Y-axis direction, so that one push rod 133 can press and push one clamping head 132 to move towards the tooling table 134 in the Y-axis direction, so that the two clamping heads 132 can be elastically clamped on both sides of the test product in the Y-axis direction, avoiding damage to the test product caused by clamping.

[0041] Further, the jig module 13 of the embodiment further comprises two second elastic compression springs 136. One second elastic compression spring 136 is pressed between one clamping head 132 and one push rod 133 in the Y-axis direction, which can ensure that the two clamping heads 132 are elastically and stably clamped on both sides of the test product in the Y-axis direction, thereby improving the test accuracy and stability.

[0042] In order to improve the stability and reliability of the driving claw 14 moving in the Y-axis direction, the electric performance test machine 10 further comprises two support plates 12, the two support plates 12 are arranged side by side in the Y-axis direction, the clamping jaw cylinder 11 is located between the two support plates 12, the positioning jig 131 is arranged on the two support plates 12, the two support plates 12 are respectively provided with a first limiting groove 121 penetrating in the Y-axis direction, and one driving claw 14 is movably located in the first limiting groove 121 in the Y-axis direction, and the first limiting groove 121 can limit the driving claw 14 and guide the driving claw 14 to move stably and reliably in the Y-axis direction.

[0043] In order to improve the stability and reliability of the driving claw 14 moving in the Y-axis direction, the electric performance test machine 10 further comprises two support plates 12, the two support plates 12 are arranged side by side in the Y-axis direction, the clamping jaw cylinder 11 is located between the two support plates 12, the positioning jig 131 is arranged on the two support plates 12, the two support plates 12 are respectively provided with a first limiting groove 121 penetrating in the Y-axis direction, and one driving claw 14 is movably located in the first limiting groove 121 in the Y-axis direction, and the first limiting groove 121 can limit the driving claw 14 and guide the driving claw 14 to move stably and reliably in the Y-axis direction.

[0044] The above embodiments are only preferred examples of the utility model, and do not limit the utility model implementation range, so equivalent changes or modifications made according to the structure, features and principles of the utility model patent application scope should be included in the utility model patent application scope.

Claims

1. An electrical performance testing machine, comprising a jig module and two groups of testing modules, the jig module comprising a positioning jig, a workbench of the positioning jig being used for placing a testing product, the two groups of testing modules being respectively located on two sides of the workbench in an X-axis direction, characterized in that: the electrical performance testing machine further comprises a clamping jaw cylinder and two clamping jaws, the workbench being located in the middle of the two clamping jaws in the X-axis direction, the clamping jaw cylinder being capable of controlling the two clamping jaws to move towards or away from the workbench in the X-axis direction; each group of testing modules comprises a testing circuit board, a plug-in circuit board, a testing unit, a male head unit and a female head unit, one plug-in circuit board being detachably arranged on one clamping jaw, the testing circuit board being detachably arranged on the plug-in circuit board, the testing unit comprising at least two integrated probes, a plurality of integrated probes being arranged on the testing circuit board close to a testing end of the positioning jig, and a detection end of the integrated probe being used for contacting a pin of the testing product; the male head unit comprises at least four male head pins, a plurality of male head pins being arranged on the testing circuit board, and two male head pins protruding from an electrical connection end of an upper end surface of the testing circuit board being respectively electrically connected to one integrated probe through a first wire, the female head unit comprising at least four female head pins, a plurality of female head pins being arranged on the plug-in circuit board, and a plug-in end of one male head pin protruding from a lower end surface of the testing circuit board being detachably plugged into a sleeve end inside one female head pin protruding from an upper end surface of the plug-in circuit board, and an electrical connection end of the female head pin protruding from the lower end surface of the plug-in circuit board being electrically connected to an external male plug through a second wire.

2. The electrical performance testing machine according to claim 1, characterized in that: each group of testing modules further comprises at least one dismounting unit, the dismounting unit comprising a bolt and a nut, the testing circuit board being provided with at least one first through hole in a Z-axis direction, and the plug-in circuit board being provided with a second through hole corresponding to the first through hole in the Z-axis direction, a head of the bolt abutting against an upper end surface of the testing circuit board, a shank of one bolt protruding from a lower end surface of the plug-in circuit board through one first through hole and one second through hole in sequence, and one nut being detachably sleeved on one shank and abutting against the lower end surface of the plug-in circuit board.

3. The electrical performance testing machine according to claim 2, characterized in that: the dismounting unit further comprises a stud, the stud abutting between the testing circuit board and the plug-in circuit board, and one shank threadedly penetrating an internal thread hole of one stud.

4. The electrical performance testing machine according to claim 1, characterized in that: the plug-in circuit board is provided with a third through hole in the Z-axis direction, an upper end of the clamping jaw is provided with a threaded connection hole corresponding to the third through hole, and a threaded connection piece is threadedly connected with the threaded connection hole through the third through hole, so as to detachably arrange the plug-in circuit board on the clamping jaw. ​ ​ ​ ​ ​ ​ 5. The electrical performance tester of claim 1, wherein: the female pin protrudes from the sleeve end of the plug circuit board to abut against the lower end surface of the test circuit board.

6. The electrical performance tester of any one of claims 1 to 5, wherein: the jig module further comprises two clamping heads, the worktable is located at the middle of the two clamping heads in the Y-axis direction, the clamping jaw cylinder can control the two clamping heads to move in the Y-axis direction, and the two clamping heads can clamp the two sides of the test product in the Y-axis direction.

7. The electrical performance tester of claim 6, wherein: the jig module further comprises two first elastic compression springs, two push rods and two limiting plates, and the electrical performance tester further comprises two driving claws, one of the first elastic compression springs is pressed between the worktable and one of the clamping heads in the Y-axis direction, the two limiting plates are arranged on the positioning jig and located outside the two clamping heads in the Y-axis direction respectively, and one of the clamping heads can abut against one of the limiting plates; the two push rods are located outside the two clamping heads in the Y-axis direction respectively, and the push rods are movably supported on the positioning jig in the Y-axis direction, the two driving claws are located outside the two push rods in the Y-axis direction respectively, the clamping jaw cylinder can control the two driving claws to move towards or away from each other in the Y-axis direction, and one of the driving claws can press one of the push rods to move towards the worktable in the Y-axis direction, so that one of the push rods can press and push one of the clamping heads to move towards the worktable in the Y-axis direction.

8. The electrical performance tester of claim 7, wherein: the jig module further comprises two second elastic compression springs, and one of the second elastic compression springs is pressed between one of the clamping heads and one of the push rods in the Y-axis direction.

9. The electrical performance tester of claim 7, wherein: the electrical performance tester further comprises two support plates, the two support plates are arranged side by side in the Y-axis direction, the clamping jaw cylinder is located between the two support plates, the positioning jig is arranged on the two support plates, the first limiting groove is formed in the Y-axis direction through the two support plates respectively, and one of the driving claws is movably located in the first limiting groove in the Y-axis direction.

10. The electrical performance tester of claim 6, wherein: four positioning plates are protrusively arranged on the positioning jig, two of the positioning plates are located on both sides of one of the clamping heads in the X-axis direction to form a second limiting groove, and one of the clamping heads is movably located in one of the second limiting grooves in the Y-axis direction.

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