CN216560665U

CN216560665U - Modular needle bed tool for testing PCBA

Info

Publication number: CN216560665U
Application number: CN202122498349.0U
Authority: CN
Inventors: 李中亮
Original assignee: Shenzhen Zhiruitong Technology Co ltd
Current assignee: Shenzhen Zhiruitong Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-17
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a modular needle bed tool for testing PCBA, and relates to the field of production and processing of printed circuit boards. According to the utility model, through the hydraulic damper, the limiting blocks, the guide rods, the supporting springs, the grooves and the heat conduction frame, when an original test probe plate is disassembled, the two limiting blocks are upwards rotated to limit the supporting plate, then the test probe plate is taken out through the supporting plate and then the tray is directly taken out from the heat conduction frame, when a new test probe plate is installed, the new tray is firstly put into the heat conduction frame to fix the tray so as to prevent the tray from displacing, and the operation is convenient and fast to install and disassemble so as to replace push trays and test probe plates of different models.

Description

Modular needle bed tool for testing PCBA

Technical Field

The utility model relates to the field of production and processing of printed circuit boards, in particular to a modular needle bed tool for testing PCBA.

Background

PCBA is that PCB blank board is through SMT upper part, or through the whole process of DIP plug-in components, short PCBA for short, at present, the test of PCBA is the important link in the electronic manufacturing field, the test to PCBA can reduce the factory fault rate of integrated circuit board and apparatus, one of the common methods that PCBA measures uses the needle bar frock of the test probe, the basic principle of the needle bar frock of test of PCBA is to draw out the test point of the single-board through the test probe of the frock, provide the test signal to the particular test point of PCBA through the test probe, and read the output signal through the particular test point, judge whether PCBA works in the normal condition.

The relatively poor frock of a model of flexibility corresponds the circuit board of a model usually to current test PCBA needle bed frock, when circuit board to other models is produced, new circuit board can not use the frock of last time to test usually, need purchase rather than the needle bed frock that corresponds, the higher use of manufacturing cost is comparatively inconvenient, and current test PCBA needle bed frock can dredge the electric current and make product work when examining the product, and the structure of needle bed frock is comparatively simple radiating effect relatively poor usually, thereby the product generates heat easily and influences the life of product, influence the data after the test easily, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems, the utility model aims to provide a modular needle bed tool for testing the PCBA, so as to solve the technical problems of poor flexibility and poor heat dissipation effect.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a test PCBA's modularization needle bed frock, includes the frock main part, the surface top of frock main part is connected with the support, the internally mounted of support has the cylinder, the surface below of frock main part is connected with the workstation, the top of workstation is provided with changes the subassembly, the inside both sides of workstation all are provided with radiator unit.

Through adopting above-mentioned technical scheme, it is spacing to the backup pad to change the subassembly through upwards rotating two spacing block bundles, later take out test probe card through the backup pad earlier and directly take out alright from the heat conduction frame with the tray again, radiator unit passes through heat conduction frame and tray with heat transfer to in the radiating fin, later gives off the heat to the ventilation groove in through a plurality of radiating fin, thereby the fan starts the back outside air and passes the dust screen and get into the ventilation inslot and take away the heat and reach radiating effect.

Further, the replacement assembly comprises two hydraulic dampers and two guide rods, the two hydraulic dampers and the two guide rods are arranged on two sides of the top of the workbench respectively, the outer surfaces of the guide rods are connected with supporting springs, supporting plates are arranged at the tops of the supporting springs, a test probe board is installed at the bottom of each supporting plate, limiting blocks are connected to two sides of each supporting plate, and grooves are formed in one side of each limiting block.

Through adopting above-mentioned technical scheme, when dismantling original test probe card, earlier upwards rotate two spacing block and end the spacing to the backup pad, later take out test probe card earlier through the backup pad and then directly take out alright with the tray from the heat conduction frame, when installing new test probe card, earlier put into the heat conduction frame with new tray in with the tray fixed in order to prevent the tray displacement, later place on supporting spring through passing the guide bar with the backup pad, thereby fix the backup pad on hydraulic damper through the recess through downwards rotating two spacing blocks.

Further, radiator unit is including installing in the dust screen of workstation one side, running through in the heat conduction frame at workstation top, seting up in the inside ventilation duct of workstation and connecting in the syllable-dividing cover of the inside one side of workstation, the top of heat conduction frame is connected with the tray, the bottom of heat conduction frame is connected with a plurality of heat radiation fins, the internally mounted of syllable-dividing cover has the fan, the inlet end of fan, the inside opposite side of giving vent to anger end and workstation all are connected with the ventilation pipe.

Through adopting above-mentioned technical scheme, through heat conduction frame and tray with heat transfer to the radiating fin in, later give off the heat to the ventilation inslot through a plurality of radiating fin, thereby the fan starts the back external air and passes the dust screen and get into the ventilation inslot and take away the heat and reach radiating effect, avoids the dust to get into the ventilation inslot through the dust screen simultaneously, reduces the noise that the fan during operation produced through the sound insulation cover in fan work.

Furthermore, the supporting plate is detachably connected with the guide rod, the limiting block is rotatably connected with the supporting plate through a rotating shaft, and the groove is matched with the hydraulic damper.

Through adopting above-mentioned technical scheme, upwards rotate two spacing block earlier and end the spacing to the backup pad, later take out the test probe card through the backup pad earlier and directly take out alright with the tray from the heat conduction frame again.

Further, a control panel is installed on one side of the outer surface of the tool main body, and the air cylinder, the test probe board and the fan are all electrically connected with the control panel.

By adopting the technical scheme, the air cylinder, the test probe board and the fan are opened or closed by a worker through the control panel, the output end of the air cylinder drives the supporting plate and the test probe board to move downwards through the piston rod after the air cylinder is started, the supporting plate compresses the supporting spring and the hydraulic damper after moving downwards, the test probe board moves downwards to be attached to a circuit of a product, and the product is connected with current to start testing after the test probe board is started.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, through the hydraulic damper, the limiting blocks, the guide rods, the supporting springs, the grooves and the heat conduction frame, when an original test probe plate is disassembled, the two limiting blocks are rotated upwards to limit the supporting plate, then the test probe plate is taken out through the supporting plate and then the tray is directly taken out from the heat conduction frame, when a new test probe plate is installed, the new tray is firstly put into the heat conduction frame to fix the tray so as to prevent the tray from displacing, then the supporting plate is placed on the supporting springs by penetrating the guide rods, and then the two limiting blocks are rotated downwards so as to fix the supporting plate on the hydraulic damper through the grooves, so that the operation is convenient, rapid and convenient to install and disassemble, and the push discs and the test probe plates with different models can be conveniently replaced;

2. according to the utility model, through the dustproof net, the heat conduction frame, the heat dissipation fins, the ventilation groove, the sound insulation sleeve and the fan, firstly, heat is transferred into the heat dissipation fins through the heat conduction frame and the tray, then, the heat is dissipated into the ventilation groove through the plurality of heat dissipation fins, after the fan is started, external air passes through the dustproof net and enters the ventilation groove to take away the heat, so that the heat dissipation effect is achieved, meanwhile, dust is prevented from entering the ventilation groove through the dustproof net, noise generated during the work of the fan is reduced through the sound insulation sleeve while the fan works, and the heat dissipation effect is better so as to prevent the service life of a product from being influenced by high temperature during testing.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the stopper structure of the present invention;

fig. 4 is a schematic structural diagram of a heat conduction frame according to the present invention.

In the figure: 1. a tool main body; 2. a work table; 3. a support; 4. a cylinder; 5. a control panel; 6. a tray; 7. testing the probe card; 8. replacing the component; 801. a hydraulic damper; 802. a limiting block; 803. a support plate; 804. a guide bar; 805. a support spring; 806. a groove; 9. a heat dissipating component; 901. a vent pipe; 902. a dust screen; 903. a heat conducting frame; 904. heat dissipation fins; 905. a ventilation slot; 906. a sound insulation sleeve; 907. a fan.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

The utility model provides a test PCBA's modularization needle bed frock, as shown in fig. 1 and 2, including frock main part 1, the surface top of frock main part 1 is connected with support 3, the internally mounted of support 3 has cylinder 4, the surface below of frock main part 1 is connected with workstation 2, the top of workstation 2 is provided with changes subassembly 8, the quick installation of simple operation and dismantlement are so that change the push away dish and the test probe card of different models, the inside both sides of workstation 2 all are provided with radiating component 9, the radiating effect is better in order to avoid the product to be influenced life by high temperature when the test, control panel 5 is installed to surface one side of frock main part 1, cylinder 4, test probe card 7 and fan 907 all with control panel 5 electric connection, the staff opens or closes cylinder 4 through control panel 5, test probe card 7 and fan 907.

Referring to fig. 1 and 3, change subassembly 8 including setting up respectively in two hydraulic damper 801 and two guide bars 804 of workstation 2 top both sides, the surface of two guide bars 804 all is connected with supporting spring 805, the top of two supporting spring 805 is provided with backup pad 803, test probe board 7 is installed to the bottom of backup pad 803, the both sides of backup pad 803 all are connected with stopper 802, recess 806 has all been seted up to one side of two stopper 802, backup pad 803 is dismantled with guide bar 804 and is connected, and stopper 802 rotates with backup pad 803 through the pivot and is connected, recess 806 and hydraulic damper 801 looks adaptation, the simple operation is installed fast and is dismantled so that change the push away dish and the test probe board of different models.

Referring to fig. 1, 2 and 4, heat dissipation assembly 9 is including installing in the dust screen 902 of workstation 2 one side, run through in the heat conduction frame 903 at workstation 2 top, set up in the inside ventilation groove 905 of workstation 2 and connect in the syllable-dividing cover 906 of workstation 2 inside one side, the top of heat conduction frame 903 is connected with tray 6, the bottom of heat conduction frame 903 is connected with a plurality of heat radiation fins 904, the internally mounted of syllable-dividing cover 906 has fan 907, the inlet end of fan 907, the inside opposite side of giving vent to anger end and workstation 2 all is connected with ventilation pipe 901, the radiating effect is better in order to avoid the product to be influenced life by high temperature when the test.

The implementation principle of the embodiment is as follows: firstly, when disassembling the original test probe board 7, the worker rotates two limiting blocks 802 upwards to stop the limiting of the supporting plate 803, then the worker takes out the test probe board 7 through the supporting plate 803 and then directly takes out the tray 6 from the heat conduction frame 903, when installing a new test probe board 7, the worker firstly puts the new tray 6 into the heat conduction frame 903 to fix the tray 6 to prevent the displacement of the tray 6, then the worker puts the supporting plate 803 on the supporting spring 805 through the guide rod 804, then the worker rotates two limiting blocks 802 downwards to fix the supporting plate 803 on the hydraulic damper 801 through the groove 806, after the preparation, the worker puts the product in the tray 6, then the worker opens the cylinder 4, the test probe board 7 and the fan 907 through the control panel 5, after the cylinder 4 is started, the output end drives the supporting plate 803 and the test probe board 7 to move downwards through the piston rod, the supporting plate 803 moves downwards to compress the supporting spring 805 and the hydraulic damper 801, the test probe board 7 moves downwards to be attached to a circuit of a product, the test probe board 7 starts to test the on-current of the product after being started, heat is transferred into the heat dissipation fins 904 through the heat conduction frame 903 and the tray 6 at the same time, then the heat is dissipated into the ventilation groove 905 through the heat dissipation fins 904, after the fan 907 starts, outside air passes through the dust screen 902 to enter the ventilation groove 905 to take away the heat, meanwhile, the dust is prevented from entering the ventilation groove 905 through the dust screen 902, noise generated during the work of the fan 907 is reduced through the sound insulation sleeve 906 while the fan 907 works, after the test work is finished, a worker closes the air cylinder 4, the test probe board 7 and the fan 907 through the control panel 5, after the air cylinder 4 is closed, the output end pulls back the piston rod to enable the supporting spring 805 to lose pressure to drive the supporting plate 803 to reset, the movement speed of the support plate 803 is slowed down by the arrangement of the hydraulic damper 801 to prevent the support plate 803 from being separated from the guide bar 804, so as to correspond to the next test.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a test PCBA's modularization needle bed frock, includes frock main part (1), its characterized in that: the tool comprises a tool main body (1), and is characterized in that a support (3) is connected to the upper portion of the outer surface of the tool main body (1), a cylinder (4) is arranged inside the support (3), a workbench (2) is connected to the lower portion of the outer surface of the tool main body (1), a replacement assembly (8) is arranged at the top of the workbench (2), and heat dissipation assemblies (9) are arranged on two sides of the inner portion of the workbench (2).

2. The modular needle bed tool for testing the PCBA as recited in claim 1, wherein: change subassembly (8) including setting up respectively in two hydraulic damper (801) and two guide bar (804) of workstation (2) top both sides, two the surface of guide bar (804) all is connected with supporting spring (805), two the top of supporting spring (805) is provided with backup pad (803), test probe card (7) are installed to the bottom of backup pad (803), the both sides of backup pad (803) all are connected with stopper (802), two recess (806) have all been seted up to one side of stopper (802).

3. The modular needle bed tool for testing the PCBA as recited in claim 1, wherein: radiating component (9) including install in dust screen (902) of workstation (2) one side, run through in heat conduction frame (903) at workstation (2) top, set up in inside ventilation groove (905) of workstation (2) and connect in sound insulation cover (906) of workstation (2) inside one side, the top of heat conduction frame (903) is connected with tray (6), the bottom of heat conduction frame (903) is connected with a plurality of heat radiation fins (904), the internally mounted of sound insulation cover (906) has fan (907), the inlet end of fan (907), the inside opposite side of giving vent to anger end and workstation (2) all are connected with ventilation pipe (901).

4. The modular needle bed tool for testing the PCBA as recited in claim 2, wherein: the supporting plate (803) is detachably connected with the guide rod (804), the limiting block (802) is rotatably connected with the supporting plate (803) through a rotating shaft, and the groove (806) is matched with the hydraulic damper (801).

5. The modular needle bed tool for testing the PCBA as recited in claim 1, wherein: control panel (5) are installed to the surface one side of frock main part (1), cylinder (4), test probe board (7) and fan (907) all with control panel (5) electric connection.