CN214473536U - Automatic change test fixture - Google Patents
Automatic change test fixture Download PDFInfo
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- CN214473536U CN214473536U CN202120733026.2U CN202120733026U CN214473536U CN 214473536 U CN214473536 U CN 214473536U CN 202120733026 U CN202120733026 U CN 202120733026U CN 214473536 U CN214473536 U CN 214473536U
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Abstract
The utility model belongs to the technical field of anchor clamps and specifically relates to an automatic change test fixture is related to, it includes base, lid and sets up the test station on the base, the lid can be dismantled with the base and be connected, the lid is used for compressing tightly waits to test the piece, the test station is provided with more than two, be provided with communication interface and switch module on the base, communication interface one end and test station are coupled mutually, switch module is used for switching test station's power supply and communication. This application has and makes anchor clamps carry on multiple piece of waiting to test simultaneously, reduces the time of changing anchor clamps to this effect that improves efficiency of software testing.
Description
Technical Field
The application relates to the field of clamps, in particular to an automatic test clamp.
Background
At present, in the automatic test process of 4G communication module products, a communication module waiting test piece needs to be placed on a test fixture, the test fixture is provided with a power supply interface and a communication interface, and after the fixture is connected with the outside through the communication interface, various tests are carried out on the communication module products.
The general automatic test fixture is in a one-support-one mode, that is, one fixture can only test one type of test piece to be tested. When different to-be-tested pieces are tested, after one to-be-tested piece is tested, the test fixture needs to be replaced, and then a second to-be-tested piece is tested.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the test process, the automatic clamp can not carry multiple pieces to be tested simultaneously, the clamp needs to be frequently replaced, the workload is increased, and the test efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
In order to make anchor clamps carry on multiple piece of waiting to test simultaneously, reduce the time of changing anchor clamps to this improves efficiency of software testing, this application provides an automatic test fixture.
The application provides an automatic change test fixture adopts following technical scheme:
the utility model provides an automatic change test fixture, includes base, lid and sets up the test station on the base, the lid can be dismantled with the base and be connected, the lid is used for compressing tightly waits to test the piece, the test station is provided with more than two, be provided with communication interface and switch module on the base, communication interface one end and test station looks coupling, switch module is used for switching test station's power supply and communication.
By adopting the technical scheme: be provided with the test station more than two on the base, can bear multiple piece of waiting to test when using, the lid physical stamina compresses tightly the piece that awaits measuring on test station, and outside power cord and communication line are reconnected, and accessible switch module switches test station's power supply and communication simultaneously to this change waits to detect the piece, has reduced the time of changing anchor clamps, to this, can improve efficiency of software testing.
Optionally, the test station includes a test slot and a test needle, the test slot is disposed on one side of the base close to the cover body, the test needle is disposed in the test slot and electrically connected to the communication interface, and the test needle is used for electrically connecting to a test piece to be tested.
By adopting the technical scheme: the test groove can accommodate a piece to be tested, so that the mounting and positioning of the piece to be tested are facilitated, and the mounting efficiency is improved; the test needle can connect and treat test piece and communication interface, and the test needle is equivalent to a medium, and the head of test needle contacts with the test piece that awaits measuring during the test, and the other end can the conducted signal to this carries out the transmission of electric current, convenient and fast.
Optionally, the switch assembly includes a power switch and a switch, the power switch and the switch are coupled to the testing pin, the power switch is used for controlling power supply of the piece to be tested, and the switch is used for switching communication of the testing pin.
By adopting the technical scheme: the power switch is in a normally closed state, power supply to a plurality of testing stations is kept, after testing is completed in one product, when the testing is required to be switched to another product, the switching of the communication lines is realized only by pressing the change-over switch, the whole clamp does not need to be detached or other connecting lines do not need to be replaced, and the testing efficiency is further improved.
Optionally, a pressing portion is arranged on one side, close to the base, of the cover body, and the pressing portions correspond to the test stations one to one.
By adopting the technical scheme: the cover body corresponding to each test station is provided with the pressing portion, and after the to-be-tested piece is installed, the pressing portion can press the to-be-tested piece on the test station, so that the shaking of the to-be-tested piece is reduced, and the test accuracy is guaranteed.
Optionally, be provided with spacing post in the portion that compresses tightly, spacing post is provided with at least one, spacing post encloses to be located test station week side for the displacement of restriction piece of waiting to test.
By adopting the technical scheme: the spacing post encloses the week side of locating test station, and after the examination piece that awaits measuring is installed, spacing post and the lateral wall butt that awaits measuring the piece that awaits measuring can restrict the displacement of waiting to test the piece, have further guaranteed the precision of test.
Optionally, the limiting column comprises a supporting column and a buffering column, one end of the supporting column is connected to the pressing portion, the other end of the supporting column is connected with the buffering column, the other end of the buffering column is connected with the base in an abutting mode, and the buffering column is made of elastic materials.
By adopting the technical scheme: the support column plays the effect of supporting and being connected, and the lid is connected the back with the base, and the buffer column takes place deformation, avoids compressing tightly the portion and the rigid connection that awaits measuring between the test, can reduce the damage of awaiting measuring the test piece when compressing tightly awaiting measuring the test piece.
Optionally, a transparent plate is arranged between the cover body and the pressing portion, and a through groove is formed in the area, corresponding to the transparent plate, of the cover body.
By adopting the technical scheme: the cover body is provided with the through grooves, the positions corresponding to the through grooves are provided with the transparent plates, after the test piece is installed, the test piece can be checked through the transparent plates, whether the test piece is installed correctly or not can be determined, and the test accuracy is further guaranteed.
Optionally, a connecting hole is formed in the base, a connecting column is arranged on the cover body, and the connecting column is in plug-in fit with the connecting hole.
By adopting the technical scheme: can dismantle through spliced pole, connecting hole between base and the lid and be connected, simple structure, the operation of being convenient for can improve the efficiency of installation piece waiting to test.
Optionally, the base includes first bottom and the second bottom that is connected with first bottom, test station, connecting hole set up on the second bottom, be provided with the erection column on the lateral wall that the second bottom was kept away from to first bottom, the erection column is used for being connected with test equipment and supporting the base.
By adopting the technical scheme: the base is of a double-layer structure, so that the contact area with the outside is increased, and heat dissipation is facilitated; the erection column plays the effect of supporting the base, connects the base on test equipment simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the base is provided with more than two testing stations, various pieces to be tested can be borne when the base is used, the cover body can tightly press the pieces to be tested on the testing stations, then an external power line and a communication line are connected, and meanwhile, the power supply and communication of the testing stations can be switched through the switch assembly, so that the pieces to be tested can be replaced, the time for replacing the clamp is reduced, and the testing efficiency can be improved;
2. the test groove can accommodate a piece to be tested, so that the mounting and positioning of the piece to be tested are facilitated, and the mounting efficiency is improved; the testing needle can be connected with a to-be-tested piece and the communication interface, the testing needle is equivalent to a medium, the head of the testing needle is contacted with the to-be-tested piece during testing, and the other end of the testing needle can conduct signals so as to transmit current conveniently and quickly;
3. the support column plays the effect of supporting and being connected, and the lid is connected the back with the base, and the buffer column takes place deformation, avoids compressing tightly the portion and the rigid connection that awaits measuring between the test, can reduce the damage of awaiting measuring the test piece when compressing tightly awaiting measuring the test piece.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of an exploded view of an embodiment of the present application, showing primarily test slots;
FIG. 3 is a schematic bottom view of an embodiment of the present application, showing primarily the communication interface and switch assembly;
fig. 4 is a schematic structural diagram of the cover body in the embodiment of the present application, which mainly shows the pressing portion and the limiting post.
Description of reference numerals: 1. a base; 11. a first bottom layer; 111. mounting a column; 12. a second bottom layer; 121. connecting holes; 13. a communication interface; 2. a test station; 21. a test slot; 22. a test pin; 3. a cover body; 31. a pressing part; 32. a limiting column; 321. a support pillar; 322. a buffer column; 33. a transparent plate; 34. connecting columns; 4. a switch assembly; 41. a switch; 42. and a power switch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-4 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses automatic test fixture.
Referring to fig. 1, an automatic test fixture for bearing a piece to be tested, such as a communication module product, in an automatic test process includes a base 1, a cover 3 and a test station 2, wherein the cover 3 is detachably connected with the base 1. Base 1 includes first bottom 11 and second bottom 12, second bottom 12 and 11 fixed connection of first bottom, test station 2, connecting hole 121 set up on second bottom 12, first bottom 11 is kept away from and is provided with erection column 111 on the lateral wall of second bottom 12, erection column 111 is used for being connected with test equipment and supports base 1, base 1 is bilayer structure, has increased with external area of contact, is favorable to the heat dissipation.
Referring to fig. 2, the second bottom layer 12 is provided with a mounting hole, the cover body 3 is provided with a connecting column 34, and the connecting column 34 is connected with the mounting hole in an inserting manner, so that the detachable connection of the cover body 3 and the base 1 is realized, the structure is simple, the operation is convenient, and the efficiency of mounting a to-be-tested piece can be improved.
Referring to fig. 2, the testing stations 2 are disposed on the second bottom layer 12, in this embodiment, two testing stations 2 are disposed, and in other embodiments, three or four testing stations 2 may also be disposed as required, as long as the sum of the areas of all the testing stations 2 is within the effective range of the robot arm of the testing apparatus. The test station 2 comprises a test slot 21 and a test needle 22, the test slot 21 is arranged on one side, close to the cover body 3, of the base 1, the test needle 22 is arranged in the test slot 21, the test needle 22 can be a spring needle or a universal needle, and when a to-be-tested piece is installed, the to-be-tested piece is abutted to the test needle 22.
Referring to fig. 3, the base 1 is provided with a communication interface 13 and a switch assembly 4, one end of the communication interface 13 is electrically connected with the testing pin 22, the other end of the communication interface 13 is connected with an external communication line, and the communication interface 13 is used for data communication of a piece to be tested. The switch assembly 4 includes a power switch 42 and a switch 41, the power switch 42 and the switch 41 are coupled to the testing pin 22, the power switch 42 is used for controlling the power supply of the testing piece, and the switch 41 is used for switching the communication of the testing pin 22. The power switch 42 is in a normally closed state, power supply to the plurality of test stations 2 is maintained, after a test is completed on one product, when the test needs to be switched to another product, the switch 41 is only needed to be pressed, switching of communication lines is achieved, the whole clamp does not need to be detached or other connecting lines do not need to be replaced, and the test efficiency is further improved.
Referring to fig. 4, in order to reduce the shaking of the test piece, a pressing portion 31 is provided on the cover 3 at a side close to the base 1, and the pressing portions 31 correspond to the test stations 2 one to one. Specifically, the pressing portion 31 may be made of an elastic material such as hard rubber, and may press the test object while preventing damage to the test object.
Referring to fig. 4, the peripheral side of the pressing portion 31 is provided with four limiting columns 32, the limiting columns 32 surround the test slot 21, so that a guardrail is formed, after the test piece to be tested is installed, the limiting columns 32 abut against the side walls of the test piece to be tested, the displacement of the test piece to be tested can be limited, and the test accuracy is further guaranteed. Spacing post 32 includes support column 321 and bumping post 322, and support column 321 one end is connected on compressing tightly portion 31, the other end and bumping post 322 fixed connection, and the bumping post 322 other end and base 1 looks butt. The buffer column 322 can be made of elastic materials such as rubber and springs, and after the cover body 3 is connected with the base 1, the buffer column 322 deforms, so that rigid connection between the pressing portion 31 and a to-be-tested piece is avoided, and damage to the to-be-tested piece can be reduced while the to-be-tested piece is pressed.
Referring to fig. 2, in order to facilitate the viewing of whether the installation position of the piece to be tested is correct, a transparent plate 33 is arranged between the cover body 3 and the pressing portion 31, a through groove is formed in the area of the cover body 3 corresponding to the transparent plate 33, the piece to be tested can be checked through the transparent plate 33 after installation, whether the piece to be tested is correctly installed can be determined, and the testing accuracy is further guaranteed.
The implementation principle of the automatic test fixture in the embodiment of the application is as follows: the operator will wait to detect a piece and install in test groove 21, wait to detect a piece and test needle 22 looks butt this moment, insert the spliced pole 34 on the lid 3 in the connecting hole 121 on the base 1 again, compress tightly portion 31 and wait to test a piece looks butt to this reduces rocking of waiting to test the piece, has guaranteed the precision of test.
After the installation is accomplished, accessible transparent plate 33 is waited to test and is looked over, can confirm to wait to test whether the piece is correctly installed, if incorrect, can open lid 3 and adjust, if correct, reconnection outside power cord and communication line install base 1 on test equipment at last, begin to test.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. An automatic change test fixture which characterized in that: including base (1), lid (3) and set up test station (2) on base (1), lid (3) can be dismantled with base (1) and be connected, lid (3) are used for compressing tightly waiting to test the piece, test station (2) are provided with more than two, be provided with communication interface (13) and switch module (4) on base (1), communication interface (13) one end is coupled with test station (2), switch module (4) are used for switching power supply and the communication of test station (2).
2. An automated test fixture according to claim 1, wherein: the testing station (2) comprises a testing groove (21) and a testing needle (22), the testing groove (21) is arranged on one side, close to the cover body (3), of the base (1), the testing needle (22) is arranged in the testing groove (21) and is electrically connected with the communication interface (13), and the testing needle (22) is used for being electrically connected with a to-be-tested part.
3. An automated test fixture according to claim 2, wherein: the switch assembly (4) comprises a power switch (42) and a change-over switch (41), the power switch (42) and the change-over switch (41) are coupled with the testing needle (22), the power switch (42) is used for controlling power supply of a piece to be tested, and the change-over switch (41) is used for changing over communication of the testing needle (22).
4. An automated test fixture according to claim 1, wherein: one side of the cover body (3) close to the base (1) is provided with a pressing portion (31), and the pressing portions (31) correspond to the test stations (2) one to one.
5. An automated test fixture according to claim 4, wherein: be provided with spacing post (32) on compressing tightly portion (31), spacing post (32) are provided with at least one, test station (2) week side is located in enclosing of spacing post (32) for the displacement of restriction piece of waiting to test.
6. An automated test fixture according to claim 5, wherein: spacing post (32) are including support column (321) and bumping post (322), support column (321) one end is connected on compressing tightly portion (31), and the other end is connected with bumping post (322), bumping post (322) other end and base (1) looks butt, bumping post (322) are made by elastic material.
7. An automated test fixture according to claim 4, wherein: a transparent plate (33) is arranged between the cover body (3) and the pressing part (31), and a through groove is formed in the area, corresponding to the transparent plate (33), of the cover body (3).
8. An automated test fixture according to claim 1, wherein: the base (1) is provided with a connecting hole (121), the cover body (3) is provided with a connecting column (34), and the connecting column (34) is in plug-in fit with the connecting hole (121).
9. An automated test fixture according to claim 8, wherein: base (1) includes first bottom (11) and second bottom (12) that are connected with first bottom (11), test station (2), connecting hole (121) set up on second bottom (12), be provided with erection column (111) on the lateral wall of second bottom (12) is kept away from in first bottom (11), erection column (111) are used for being connected with test equipment and support base (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120733026.2U CN214473536U (en) | 2021-04-09 | 2021-04-09 | Automatic change test fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120733026.2U CN214473536U (en) | 2021-04-09 | 2021-04-09 | Automatic change test fixture |
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CN214473536U true CN214473536U (en) | 2021-10-22 |
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CN202120733026.2U Active CN214473536U (en) | 2021-04-09 | 2021-04-09 | Automatic change test fixture |
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- 2021-04-09 CN CN202120733026.2U patent/CN214473536U/en active Active
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