CN117706331A - Mainboard test fixture and mainboard test device - Google Patents
Mainboard test fixture and mainboard test device Download PDFInfo
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- CN117706331A CN117706331A CN202311716336.3A CN202311716336A CN117706331A CN 117706331 A CN117706331 A CN 117706331A CN 202311716336 A CN202311716336 A CN 202311716336A CN 117706331 A CN117706331 A CN 117706331A
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- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 239000000523 sample Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application discloses a mainboard test fixture and mainboard test device relates to mainboard test technical field. The application comprises the following steps: the bearing bottom plate is provided with a mounting groove in a construction mode, a plurality of test probes penetrate through the middle part in the mounting groove, and an annular inflation tube arranged along the edge of the mounting groove is fixedly connected in the mounting groove; the inflation assembly comprises a plurality of connecting pipes fixedly communicated with the corners of the annular inflation pipe, a collecting pipe is fixedly communicated with the other ends of the connecting pipes, a flexible pipe is fixedly communicated with the collecting pipe, and a piston pressure piece is fixedly communicated with the upper ends of the flexible pipes. This application is through setting up annular gas tube in the mounting groove, can utilize it with the direct ejecting mounting groove of mainboard, need not to artificially lift the mainboard, increases the security, and reciprocating motion piece can remove the centre gripping frame to the top of loading board and carry out the unloading to the unloading on the unloading track again after carrying out the centre gripping to the mainboard, automatic unloading saves a large amount of manpowers and time, improves holistic test efficiency.
Description
Technical Field
The application relates to the technical field of motherboard testing, in particular to a motherboard testing jig and a motherboard testing device.
Background
The motherboard test apparatus is a device for inspecting the motherboard circuit of a computer. It typically employs probe power-on detection, such as existing FCT test equipment.
The existing main board testing device is manually operated, the main board is required to be manually installed in a testing jig of the testing device, the main board is required to be manually detached after testing, the main board is only required to be embedded into an installation groove through positioning and installation during installation, but the main board is manually lifted during detachment to easily cause the probe to collide to be damaged, the safety is poor, and the manual detachment is time-consuming and labor-consuming, so that the testing efficiency is reduced.
Therefore, the invention provides the main board test fixture and the main board test device which can automatically feed after the test.
Disclosure of Invention
The purpose of the present application is: in order to solve the problems in the background technology, the application provides a main board testing jig and a main board testing device.
The application specifically adopts the following technical scheme for realizing the purposes:
one of the purposes of the present application proposes a motherboard test fixture, comprising:
the bearing bottom plate is provided with a mounting groove in a construction mode, a plurality of test probes penetrate through the middle part in the mounting groove, and an annular inflation tube arranged along the edge of the mounting groove is fixedly connected in the mounting groove;
the inflation assembly comprises a plurality of connecting pipes fixedly communicated with the corners of the annular inflation pipe, the other ends of the connecting pipes are fixedly communicated with a collecting pipe, a flexible pipe is fixedly communicated with the collecting pipe, and the upper ends of the flexible pipes are fixedly communicated with a piston pressure piece;
the test top plate is vertically arranged right above the bearing bottom plate in a sliding manner;
the driving mechanism is arranged on one side of the test top plate and used for driving the test top plate to move up and down, and the driving mechanism controls the pressurization and the release of the piston pressure piece through the linkage piece.
Further, the middle part is constructed with the spacing groove in the mounting groove, the mounting groove edge structure has the arc recess, annular inflation tube includes the arc annular slab of fixed connection in the arc recess, the interior concave surface open end of arc annular slab upwards sets up and seals and be connected with the elastic sheet, the fixed intercommunication of connecting pipe is in the bottom of arc annular slab.
Further, the piston pressure piece comprises a round frame fixedly communicated with the top of the flexible pipe, a piston block is slidably installed in the round frame, the upper end of the piston block is fixedly connected with a movable column which slidably penetrates through the upper end of the round frame, and the top of the movable column is fixedly connected with a pressing handle.
Further, the test roof includes the flat board, the both ends of flat board one side are all fixedly connected with sliding sleeve and middle part fixedly connected with extension post, actuating mechanism and extension post transmission are connected.
Further, actuating mechanism includes electric putter, be provided with the installation piece that is used for bearing electric putter between test roof and the electric putter, the installation piece top structure has the support horizontal pole, it has the lever board to articulate between electric putter's output and the extension post top, the middle part of lever board is constructed with the activity groove of movable sleeve on the support horizontal pole.
Further, the linkage piece comprises a permanent magnet iron strip fixedly connected to the bottom of the lever plate, and the pressing handle is made of steel.
Second of this application purpose provides a mainboard testing arrangement, including above-mentioned mainboard test fixture, still include:
the test bench is characterized in that a working panel is constructed at the top of the test bench, a vertical plate is fixedly connected to the working panel, a spring column for supporting a bearing bottom plate is fixedly connected to the working panel, two guide rods which are vertically arranged and are used for sliding sleeve sliding sleeving are fixedly connected to one side of the vertical plate, and the mounting block is fixedly connected to the other side of the vertical plate;
the blanking crawler belt is arranged on the test bench and is arranged at one end side of the bearing bottom plate, and the blanking crawler belt is used for conveying the tested main board;
and the reciprocating moving part is arranged on the working panel and moves along the length direction of the blanking track, and the upper end of the reciprocating moving part is fixedly connected with a clamping frame used for reciprocating and transferring above the bearing bottom plate and the blanking track.
Further, the reciprocating moving part comprises a moving frame plate which is slidably arranged on the working panel, two racks which are arranged in a staggered mode are arranged on the upper side and the lower side in the moving frame plate, and one rotating shaft end portion of the blanking crawler belt is connected with a telescopic gear which is used for being meshed with the two racks respectively.
Further, the telescopic gear comprises a polygonal column rod which is inserted into the end part of the blanking track rotating shaft in a sliding manner, the other end of the polygonal column rod is fixedly connected with a transmission gear which is positioned in the movable frame plate, a supporting spring is connected between the transmission gear and the end part of the blanking track rotating shaft, and the end part of the blanking track rotating shaft is fixedly connected with an annular electromagnet used for adsorbing the transmission gear.
Further, the centre gripping frame includes the flat frame of fixed connection at removal framed panel upper end, four collar that are the rectangle and distribute of fixedly connected with on the flat frame, all articulate the centre gripping piece that has vertical setting in the collar, be connected with reset spring between centre gripping piece upper end and the collar inner wall, the stay cord that the equal fixedly connected with horizontal slip of centre gripping piece upper end runs through the collar, flat frame upside rotates installs the receipts beam wheel that is used for rolling the stay cord, receive beam wheel upper end fixedly connected with and stir the horizontal pole, unloading track upside fixedly connected with is used for stopping and stirs the location push rod that the horizontal pole overturned.
The beneficial effects of this application are as follows:
1. this application is through setting up annular inflation tube in the mounting groove that bears the weight of the bottom plate, can utilize actuating mechanism to extrude the piston pressure spare in the inflation subassembly after driving test roof reciprocating motion one cycle to make annular inflation tube aerify the pressurization, so that with the direct ejecting mounting groove in mainboard edge, need not to manually lift the mainboard, increase the security.
2. According to the automatic feeding device, the clamping frame is moved to the upper side of the bearing bottom plate by the aid of the reciprocating moving piece, when the annular air charging tube ejects the main board, the main board can be directly pushed into the clamping frame to be clamped, then the reciprocating moving frame is utilized to move the clamping frame to the feeding crawler belt to be fed, whole-course automatic feeding is achieved, manual operation is not needed, a large amount of manpower and time are saved, and the whole testing efficiency is improved.
Drawings
FIG. 1 is a perspective view of the present application;
FIG. 2 is a perspective view of a semi-cutaway view of the present application;
FIG. 3 is an enlarged view of FIG. 2A of the present application;
FIG. 4 is a partial perspective view of the present application;
FIG. 5 is a further partial perspective view of the present application;
FIG. 6 is another partial perspective view of the present application;
FIG. 7 is a perspective view of a telescoping gear of the present application in semi-section;
FIG. 8 is an enlarged view of FIG. 7B of the present application;
FIG. 9 is a perspective view of a clamping frame of the present application in semi-section;
FIG. 10 is a perspective view of yet another alternative embodiment of the clamping frame of the present application;
reference numerals: 1. a load-bearing bottom plate; 101. a mounting groove; 1011. a limit groove; 1012. an arc-shaped groove; 102. a test probe; 2. an annular inflation tube; 201. an arc-shaped annular plate; 202. an elastic sheet; 3. an inflation assembly; 301. a connecting pipe; 302. a header; 303. a flexible tube; 304. a piston pressure member; 3041. a round frame; 3042. a piston block; 3043. a movable column; 3044. pressing the handle; 4. testing the top plate; 401. a flat plate; 402. a sliding sleeve; 403. an extension column; 5. a driving mechanism; 501. an electric push rod; 502. a mounting block; 503. a support rail; 504. a lever plate; 505. a movable groove; 6. a linkage member; 601. permanent magnet iron bars; 7. a test bench; 701. a work panel; 702. a riser; 703. a spring post; 704. a guide rod; 8. a blanking crawler belt; 801. a telescopic gear; 8011. a polygonal column bar; 8012. a transmission gear; 8013. a support spring; 8014. an annular electromagnet; 9. a reciprocating member; 901. moving the frame plate; 902. a rack; 10. a clamping frame; 1001. a flat frame; 1002. a mounting ring; 1003. a clamping piece; 1004. a return spring; 1005. a pull rope; 1006. a converging wheel; 1007. toggling the cross bar; 1008. and positioning the push rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Example 1
As shown in fig. 1-4, a motherboard testing fixture according to an embodiment of the present application includes:
the bearing bottom plate 1 is provided with a mounting groove 101, the mounting groove 101 is mainly used for mounting the main board in an embedded mode, the main board is prevented from being deviated during testing, safety is guaranteed, the middle part in the mounting groove 101 is penetrated and provided with a plurality of test probes 102, an annular inflation tube 2 arranged along the edge of the mounting groove 101 is fixedly connected in the mounting groove 101, the annular inflation tube 2 is arranged along the edge of the mounting groove 101 and used for wrapping the edge of the main board, the annular inflation tube 2 can play a role of flexibly contacting the corners of the main board under the condition that the annular inflation tube 2 is not inflated, the main board is prevented from being damaged due to hard collision, safety is improved, the edge of the main board can be supported under the condition that the main board is inflated, the main board is ejected out of the mounting groove 101, subsequent blanking operation is facilitated, and convenience is improved;
the inflation assembly 3 comprises a plurality of connection pipes 301 fixedly communicated with the corners of the annular inflation pipe 2, a collecting pipe 302 is fixedly communicated with the other ends of the connection pipes 301, a flexible pipe 303 is fixedly communicated with the collecting pipe 302, a piston pressure piece 304 is fixedly communicated with the upper end of the flexible pipe 303, the collecting pipe 302, the connection pipes 301 and the annular inflation pipe 2 are pressurized and inflated by the piston pressure piece 304, so that the annular inflation pipe 2 is inflated, and a main board is ejected;
the test top plate 4 is vertically arranged right above the bearing bottom plate 1 in a sliding manner, the test top plate 4 and the bearing bottom plate 1 are arranged up and down oppositely and are used for covering the bearing bottom plate 1, and a second probe is arranged on the test top plate 4 and is used for testing an interface on the upper side of the main board, so that the test effect is ensured;
the driving mechanism 5 is arranged on one side of the test top plate 4 and is used for driving the test top plate 4 to move up and down, the driving mechanism 5 controls the pressurization and the pressure release of the piston pressure piece 304 through the linkage piece 6, on one hand, the driving mechanism 5 is used for driving the test top plate 4 to move up and down so as to finish the test operation, on the other hand, the linkage piece 6 can be used for driving the piston pressure piece 304 to carry out the pressurization and the pumping operation while driving the test top plate 4 to move up and down, the inflation and deflation operation of the annular inflation tube 2 is conveniently controlled, the main board ejection mounting groove 101 and the subsequent main board are conveniently put in, the main board is detached from the mounting groove 101 without artificial lifting, the pins on the main board are prevented from colliding, and the safety of blanking after the main board detection is ensured.
As shown in fig. 2-4, in the first embodiment, a limit groove 1011 is configured in the middle of the installation groove 101, an arc groove 1012 is configured at the edge of the installation groove 101, the annular inflatable tube 2 includes an arc ring plate 201 fixedly connected in the arc groove 1012, an opening end of an inner concave surface of the arc ring plate 201 is upward arranged and is sealed and connected with an elastic sheet 202, the connection tube 301 is fixedly connected to the bottom of the arc ring plate 201, it is to be noted that the arc ring plate 201 is made of a hard plastic material, the elastic sheet 202 is made of a rubber material, the arc ring plate 201 can play a limit role on the edge of the main board, and the limit groove 1011 is used for plugging a module on the main board, so that a positioning point is additionally added, the installation accuracy is improved, and the test effect is ensured.
Example two
As shown in fig. 2 and fig. 4, this embodiment further improves the present application on the basis of the first embodiment, considering that the main board needs to be ejected after the test top board 4 is lifted by a certain height, and before the test top board 4 needs to be guaranteed to descend onto the load-bearing bottom board 1, the annular inflation tube 2 is decompressed, in the second embodiment, the piston pressure member 304 includes a circular frame 3041 fixedly connected to the top of the flexible tube 303, a piston block 3042 is slidably mounted in the circular frame 3041, a movable column 3043 slidably penetrating through the upper end of the circular frame 3041 is fixedly connected to the upper end of the piston block 3042, a pressing handle 3044 is fixedly connected to the top of the movable column 3043, and the piston block 3042 is driven to reciprocate in the circular frame 3041 by the pressing handle 3044, and it needs to be explained that when the piston block 3042 moves toward one end of the flexible tube 303, the annular inflation tube 2 can be pressurized, so that the expansion of the main board can be conveniently lifted, and when the piston block 3042 moves in the opposite direction, gas in the annular inflation tube 2 can be pumped, so that the subsequent main board can be conveniently placed in.
As shown in fig. 4, in the second embodiment, the test top plate 4 includes a flat plate 401, two ends of one side of the flat plate 401 are fixedly connected with sliding sleeves 402, and an extension column 403 is fixedly connected with the middle of the flat plate, a driving mechanism 5 is in transmission connection with the extension column 403, a second probe is installed at the bottom of the flat plate 401 and used for testing an upper side module and pins of the main plate, and the sliding sleeves 402 are mainly used for guiding up and down movement of the flat plate 401, and the extension column 403 is used for being connected with the driving mechanism 5.
As shown in fig. 4, in the second embodiment, the driving mechanism 5 includes an electric push rod 501, a mounting block 502 for carrying the electric push rod 501 is disposed between the test top plate 4 and the electric push rod 501, a supporting cross rod 503 is configured at the top of the mounting block 502, a lever plate 504 is hinged between the output end of the electric push rod 501 and the top of the extending column 403, a movable groove 505 movably sleeved on the supporting cross rod 503 is configured in the middle of the lever plate 504, when the output end of the electric push rod 501 moves upwards, the lever plate 504 and the supporting cross rod 503 generate a lever principle, so that the other end of the lever plate 504 drives the extending column 403 to move downwards, otherwise, when the output end of the electric push rod 501 moves downwards, the other end of the lever plate 504 drives the extending column 403 to move upwards.
As shown in fig. 2 and fig. 4, in the second embodiment, the linkage member 6 includes a permanent magnet bar 601 fixedly connected to the bottom of the lever plate 504, the permanent magnet bar 601 is made of a strong magnetic block, the pressing handle 3044 is made of steel, it is to be noted that the pressing handle 3044 is located at the lower side of the lever plate 504, when the test top plate 4 is separated from the bearing bottom plate 1, the lever plate 504 does not contact the pressing handle 3044 until the test top plate 4 moves upwards by a certain distance, the lever plate 504 can still turn downwards after contacting the pressing handle 3044 until the piston block 3042 abuts against the inner bottom of the round frame 3041, so as to inflate the annular inflation tube 2, and when the lever plate 504 turns upwards, the pressing handle 3044 is adsorbed and moves upwards synchronously by using the permanent magnet bar 601, and after the lever plate 504 turns upwards by a certain angle, the piston block 3042 abuts against the inner top of the round frame 3041, the permanent magnet bar is not required, and the driving force is not required to be increased, and the linkage mechanism is mounted in order to be convenient to place the main plate 101.
Example III
As shown in fig. 1, fig. 5 and fig. 6, this embodiment further improves the present application on the basis of the first embodiment and the second embodiment, and the main board testing device provided in the present application includes:
the test bench 7, the top of which is constructed with a working panel 701, a riser 702 is fixedly connected to the working panel 701, a spring column 703 for supporting the bearing bottom plate 1 is fixedly connected to the working panel 701, the spring column 703 comprises an outer cylinder, an inner cylinder inserted in the outer cylinder in a sliding way and a spring connected between the outer cylinder and the inner cylinder, the bearing bottom plate 1 is connected to the upper end of the inner cylinder, the test probe 102 is fixedly connected to the working panel 701 and penetrates through the bearing bottom plate 1 in a sliding way, when the test top plate 4 is pressed downwards towards the upper side of the bearing bottom plate 1, the bearing bottom plate 1 is driven to move downwards, so that the test probe 102 is contacted with a main plate in the mounting groove 101 for contact test, two guide rods 704 which are vertically arranged and are used for sliding sleeve 402 to be sleeved in a sliding way are fixedly connected to one side of the riser 702, the sliding sleeve 402 is sleeved with the guide rods 704 for sliding way, the accuracy of the movement is avoided when the test top plate 4 moves upwards and downwards, the mounting block 502 is fixedly connected to the other side of the riser 702, and the mounting block 502 is connected to the working panel for bearing the electric push rod 501 and the piston pressure piece 304;
the blanking crawler belt 8 is arranged on the test bench 7 and is arranged at one end side of the bearing bottom plate 1, the blanking crawler belt 8 is used for conveying tested main boards, the blanking crawler belt 8 adopts an existing conveying belt mechanism and comprises two supporting plates which are arranged on the working panel 701 in parallel, two rotating shafts are rotatably arranged between the two supporting plates, a conveying crawler belt is sleeved between the two rotating shafts, and a driving motor which is rotatably connected with one of the supporting plates is arranged on the supporting plate;
the reciprocating moving part 9 is arranged on the working face plate 701 and moves along the length direction of the blanking track 8, the upper end of the reciprocating moving part 9 is fixedly connected with the clamping frame 10 which is used for reciprocating and transferring above the bearing bottom plate 1 and the blanking track 8, and the reciprocating moving part 9 is mainly used for driving the clamping frame 10 to reciprocate between the bearing bottom plate 1 and the blanking track 8, so that a main board on the bearing bottom plate 1 is clamped to enter the blanking track 8 for blanking, the whole blanking operation does not need manual carrying, labor and time are saved, convenience of the device is improved, and overall testing efficiency is improved.
As shown in fig. 6 to 7, in the third embodiment, the reciprocating member 9 includes a moving frame plate 901 slidably mounted on the working panel 701, two racks 902 arranged in a staggered manner are configured on the upper and lower sides in the moving frame plate 901, one of the rotating shaft ends of the blanking track 8 is connected with a telescopic gear 801 for respectively meshing with the two racks 902, the telescopic gear 801 can be respectively meshed with the two racks 902 by using the telescopic function of the telescopic gear 801, so that the reciprocating switching movement of the moving frame plate 901 is realized, the telescopic gear 801 is mounted on the rotating shaft of the blanking track 8, the moving frame plate 901 is driven to move by using the driving force of the blanking track 8, the linkage of the device is improved, and the driving cost is saved.
As shown in fig. 8, in the third embodiment, the telescopic gear 801 includes a polygonal column rod 8011 slidably inserted into the end of the rotating shaft of the blanking track 8, the other end of the polygonal column rod 8011 is fixedly connected with a transmission gear 8012 located in the moving frame 901, a supporting spring 8013 is connected between the transmission gear 8012 and the end of the rotating shaft of the blanking track 8, an annular electromagnet 8014 for adsorbing the transmission gear 8012 is fixedly connected to the end of the rotating shaft of the blanking track 8, the adsorption of the transmission gear 8012 can be controlled by using the energizing and de-energizing of the annular electromagnet 8014, the transmission gear 8012 is driven to move towards the rotating shaft of the blanking track 8 during adsorption, and the transmission gear 8012 is pushed in the opposite direction by the elastic force of the supporting spring 8013 during non-adsorption, so that the switching operation between the two racks 902 is realized without manual control and automatic switching, and convenience is increased.
Example IV
As shown in fig. 9 to 10, this embodiment further improves the present application on the basis of the third embodiment, considering that the existing clamping mechanism needs an additional motor to drive, and needs to electronically control the opening and closing of the clamping member, which is not only troublesome, but also needs to use additional electric power to drive, and consumes energy, in the fourth embodiment, the clamping frame 10 includes a flat frame 1001 fixedly connected to the upper end of the movable frame plate 901, four rectangular mounting rings 1002 are fixedly connected to the flat frame 1001, vertically arranged clamping plates 1003 are hinged in the mounting rings 1002, the clamping plates 1003 are hinged in the mounting rings 1002 by transverse shafts, and the hinge points are located in the middle of the clamping plates 1003, the clamping plates 1003 are arc-shaped and are configured with a plurality of raised strips on the intrados below the hinge points, for increasing the contact friction force with the edges of the main board, a reset spring 1004 is connected between the upper ends of the clamping plates 1003 and the inner wall of the mounting ring 1002, the upper ends of the clamping plates 1003 are fixedly connected with pull ropes 1005 which horizontally slide and penetrate through the mounting ring 1002, a drawing wheel 1006 for winding the pull ropes 1005 is rotatably arranged on the upper side of the flat frame 1001, a poking cross rod 1007 is fixedly connected to the upper end of the drawing wheel 1006, a positioning push rod 1008 for blocking the poking cross rod 1007 to overturn is fixedly connected to the upper side of the blanking crawler 8, the space between the bottoms of the four clamping plates 1003 is larger than the distance between the corners of the main board, the bottom ends of the clamping plates 1003 are level with the upper surface of the bearing bottom plate 1, when the main board is lifted by the annular inflation tube 2, the main board can be extruded between the four clamping plates 1003, the upper ends of the clamping plates 1003 can clamp the corners of the main board by using the elastic support of the reset spring 1004, so as to realize the effect of clamping the main board, then, the main board moves to the blanking track 8 along with the flat frame 1001 by utilizing the driving of the reciprocating moving part 9, and meanwhile, the positioning push rod 1008 on the blanking track 8 can be abutted against the poking cross rod 1007, so that the poking cross rod 1007 drives the beam-collecting wheel 1006 to rotate together, the stay cord 1005 is wound towards the beam-collecting wheel 1006, the upper ends of the clamping sheets 1003 are driven to overturn, the bottom ends of the clamping sheets 1003 are far away from each other, the main board is automatically separated from the main board, additional electronic control is not needed, automatic mechanical triggering is realized, safety and accuracy are realized, additional driving force is not needed, and energy is saved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A mainboard test fixture, its characterized in that includes:
the test device comprises a bearing bottom plate (1), wherein an installation groove (101) is formed in the bearing bottom plate, a plurality of test probes (102) are installed in the middle of the installation groove (101) in a penetrating mode, and an annular inflation tube (2) arranged along the edge of the installation groove (101) is fixedly connected in the installation groove;
the inflation assembly (3) comprises a plurality of connecting pipes (301) fixedly communicated with the corners of the annular inflation pipe (2), a collecting pipe (302) is fixedly communicated with the other ends of the connecting pipes (301), a flexible pipe (303) is fixedly communicated with the collecting pipe (302), and a piston pressure piece (304) is fixedly communicated with the upper ends of the flexible pipes (303);
the test top plate (4) is vertically arranged right above the bearing bottom plate (1) in a sliding manner;
the driving mechanism (5) is arranged on one side of the test top plate (4) and used for driving the test top plate (4) to move up and down, and the driving mechanism (5) controls the pressurization and the release of the piston pressure piece (304) through the linkage piece (6).
2. The main board testing jig according to claim 1, wherein a limit groove (1011) is formed in the middle of the mounting groove (101), an arc-shaped groove (1012) is formed in the edge of the mounting groove (101), the annular inflation tube (2) comprises an arc-shaped annular plate (201) fixedly connected in the arc-shaped groove (1012), an elastic piece (202) is upwardly arranged at the opening end of the inner concave surface of the arc-shaped annular plate (201) and is in sealing connection with the opening end of the inner concave surface of the arc-shaped annular plate, and the connecting tube (301) is fixedly communicated with the bottom of the arc-shaped annular plate (201).
3. The main board testing jig according to claim 1, wherein the piston pressure member (304) comprises a round frame (3041) fixedly communicated with the top of the flexible pipe (303), a piston block (3042) is slidably mounted in the round frame (3041), a movable column (3043) slidably penetrating through the upper end of the round frame (3041) is fixedly connected to the upper end of the piston block (3042), and a pressing handle (3044) is fixedly connected to the top of the movable column (3043).
4. The main board testing jig according to claim 1, wherein the testing top board (4) comprises a flat board (401), two ends of one side of the flat board (401) are fixedly connected with sliding sleeves (402) and the middle part is fixedly connected with extension columns (403), and the driving mechanism (5) is in transmission connection with the extension columns (403).
5. The motherboard testing jig according to claim 4, wherein the driving mechanism (5) comprises an electric push rod (501), a mounting block (502) for bearing the electric push rod (501) is arranged between the testing top plate (4) and the electric push rod (501), a supporting cross rod (503) is configured at the top of the mounting block (502), a lever plate (504) is hinged between the output end of the electric push rod (501) and the top of the extending column (403), and a movable groove (505) movably sleeved on the supporting cross rod (503) is configured at the middle part of the lever plate (504).
6. A motherboard testing jig according to claim 3, wherein the linkage (6) comprises a permanent magnet bar (601) fixedly connected to the bottom of the lever plate (504), and the pressing handle (3044) is made of steel.
7. A motherboard testing apparatus comprising the motherboard testing jig of any one of claims 1-6, further comprising:
the test bench (7) is characterized in that a working panel (701) is formed at the top of the test bench, a vertical plate (702) is fixedly connected to the working panel (701), a spring column (703) for supporting the bearing bottom plate (1) is fixedly connected to the working panel (701), two guide rods (704) which are vertically arranged and are used for sliding sleeve (402) in a sliding sleeving manner are fixedly connected to one side of the vertical plate (702), and the mounting block (502) is fixedly connected to the other side of the vertical plate (702);
the blanking crawler belt (8) is arranged on the test bench (7) and is arranged at one end side of the bearing bottom plate (1), and the blanking crawler belt (8) is used for conveying the tested main board;
the reciprocating moving part (9) is arranged on the working face plate (701) and moves along the length direction of the blanking crawler belt (8), and the upper end of the reciprocating moving part (9) is fixedly connected with a clamping frame (10) which is used for reciprocating and transferring above the bearing bottom plate (1) and the blanking crawler belt (8).
8. The main board testing device according to claim 7, wherein the reciprocating member (9) comprises a movable frame plate (901) slidably mounted on the working panel (701), two racks (902) arranged in a staggered manner are configured on the upper side and the lower side in the movable frame plate (901), and one rotating shaft end part of the discharging crawler belt (8) is connected with a telescopic gear (801) for being meshed with the two racks (902) respectively.
9. The main board testing device according to claim 8, wherein the telescopic gear (801) comprises a polygonal column rod (8011) slidably inserted into a rotating shaft end portion of the blanking track (8), the other end of the polygonal column rod (8011) is fixedly connected with a transmission gear (8012) located in the movable frame plate (901), a supporting spring (8013) is connected between the transmission gear (8012) and the rotating shaft end portion of the blanking track (8), and the rotating shaft end portion of the blanking track (8) is fixedly connected with a ring electromagnet (8014) for adsorbing the transmission gear (8012).
10. The main board testing device according to claim 9, wherein the clamping frame (10) comprises a flat frame (1001) fixedly connected to the upper end of the movable frame plate (901), four mounting rings (1002) which are distributed in a rectangular shape are fixedly connected to the flat frame (1001), vertically arranged clamping plates (1003) are hinged to the mounting rings (1002), return springs (1004) are connected between the upper ends of the clamping plates (1003) and the inner walls of the mounting rings (1002), pull ropes (1005) penetrating the mounting rings (1002) in a horizontal sliding mode are fixedly connected to the upper ends of the clamping plates (1003), a bundling wheel (1006) for winding the pull ropes (1005) is rotatably mounted on the upper side of the flat frame (1001), a stirring cross rod (1007) is fixedly connected to the upper end of the bundling wheel (1006), and a positioning push rod (1007) for blocking the stirring cross rod (1007) to turn is fixedly connected to the upper side of the blanking crawler (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311716336.3A CN117706331A (en) | 2023-12-13 | 2023-12-13 | Mainboard test fixture and mainboard test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311716336.3A CN117706331A (en) | 2023-12-13 | 2023-12-13 | Mainboard test fixture and mainboard test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117706331A true CN117706331A (en) | 2024-03-15 |
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ID=90160067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311716336.3A Withdrawn CN117706331A (en) | 2023-12-13 | 2023-12-13 | Mainboard test fixture and mainboard test device |
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| Country | Link |
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| CN (1) | CN117706331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117929143A (en) * | 2024-03-22 | 2024-04-26 | 成都优麦伽科技有限责任公司 | Pipeline strength detection device of pressure vessel |
-
2023
- 2023-12-13 CN CN202311716336.3A patent/CN117706331A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117929143A (en) * | 2024-03-22 | 2024-04-26 | 成都优麦伽科技有限责任公司 | Pipeline strength detection device of pressure vessel |
| CN117929143B (en) * | 2024-03-22 | 2024-06-07 | 成都优麦伽科技有限责任公司 | Pipeline strength detection device of pressure vessel |
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Application publication date: 20240315 |