Intelligent watch PCBA testing device

Abstract

The utility model relates to the field of intelligent watches, in particular to an intelligent watch PCBA testing device which comprises a bottom plate, a motor is fixed to the bottom plate, a rotating disc is fixed to the output end of the motor, a plurality of fixing holes penetrating through the rotating disc are evenly formed in the rotating disc, and supporting rings are fixed to the portions, in the fixing holes, of the rotating disc. An upper mounting plate is arranged above the turntable, an upper test plate is arranged between the upper mounting plate and the turntable, a plurality of upper probes are fixed at the bottom of the upper test plate, a plurality of upper springs are fixed between the upper mounting plate and the upper test plate, a lower mounting plate is arranged below the turntable, and a lower test plate is arranged between the lower mounting plate and the turntable. A plurality of lower probes are fixed on the lower test plate, a plurality of lower springs are fixed between the lower test plate and the lower mounting plate, and a test cylinder is fixed above the bottom plate. According to the device, the circuits on the two sides of the double-layer circuit board can be tested at the same time, and the testing efficiency of the PCBA board is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of smart watches, and in particular to a PCBA testing device for smart watches. Background Art

[0002] With the advancement of technology, smart watches have gradually entered people's lives. During the production and processing of smart watches, it is necessary to perform functional testing on the PCBA board in the smart watch, which provides important support for the quality control and performance verification of smart watches. Among them, the PCBA board is a finished board, which welds electronic components (such as chips, resistors, capacitors, connectors, etc.) to the pre-designed printed circuit board, realizes the combination of circuit functions and components, and provides support for the normal operation of the equipment.

[0003] Nowadays, smart watches have more and more functions. In order to assemble more components onto the printed circuit board, a double-sided circuit board is needed to fix the electronic components. Patent application number: CN202222404179.X discloses a PCBA test jig for smart watches, including a pair of support plates and a load-bearing plate. The top of the pair of support plates is fixedly connected to the same fixed plate, the bottom of the fixed plate is fixedly connected to an electric push rod, and the end of the electric push rod away from the fixed plate is fixedly connected to a detection board. The PCBA board is fixed on the load-bearing plate, and the PCBA board is tested through the detection board. However, this type of test device can only meet the test requirements of single-sided circuit boards and cannot test the other side of the circuit board simultaneously.

[0004] The present invention is proposed in view of the deficiencies in the prior art. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a smart watch PCBA testing device.

[0006] The present invention can be implemented by the following technical solutions:

[0007] The present invention discloses a PCBA testing device for a smart watch, comprising a bottom plate, a motor is fixed on the bottom plate, a turntable is fixed on the output end of the motor, a plurality of fixing holes penetrating the turntable are evenly arranged on the turntable, a supporting ring is fixed on the turntable in the fixing holes, an upper mounting plate is arranged above the turntable, an upper test plate is arranged between the upper mounting plate and the turntable, a plurality of upper probes are fixed on the bottom of the upper test plate, a plurality of upper springs are fixed between the upper mounting plate and the upper test plate, a lower mounting plate is arranged below the turntable, a lower test plate is arranged between the lower mounting plate and the turntable, and the A plurality of lower probes are fixed on the lower test plate, a plurality of lower springs are fixed between the lower test plate and the lower mounting plate, a test cylinder is fixed above the base plate, the piston rod end of the test cylinder is fixed to the upper mounting plate, an upper rack is fixed on the upper mounting plate, a support shaft is fixed above the base plate, a gear rotatably connected to the support shaft is provided on the support shaft, the gear is meshed with the upper rack, a lower rack is fixed on the lower mounting plate, the lower rack is meshed with the gear, a plurality of limit rods are fixed on the base plate, the limit rods pass through the lower mounting plate and are slidably connected to the lower mounting plate. The PCBA board to be tested is placed on the support ring of the turntable fixing hole, the turntable is driven to rotate by the motor, the PCBA board rotates with the turntable to the bottom of the upper test board, the test cylinder is started, the piston rod on the test cylinder is extended, the upper test board descends, and the upper probe on the upper test board contacts the upper end surface of the PCBA board to perform an electrical test on the circuit on the upper end surface of the PCBA board, and when the upper mounting plate descends, the upper rack descends, the gear rotates, the lower rack rises, the lower test board rises, and the upper and lower probes on the lower test board contact the upper and lower end surfaces of the PCBA board to test the circuit on the lower end surface of the PCBA board. After the test is completed, the test cylinder is started, the piston rod on the test cylinder is shortened, and the upper probe and the lower probe are separated from the PCBA board. The device can test the circuits on both sides of the double-layer circuit board at the same time, which greatly improves the test efficiency of the PCBA board.

[0008] Preferably, the upper test board is also fixed with a plurality of upper positioning rods, which pass through the upper mounting plate and are slidably connected to the upper mounting plate. By passing the upper positioning rods through the upper mounting plate and being slidably connected to the upper mounting plate, the upper test board can be vertically lowered to ensure that the upper probe is in precise contact with the test point on the PCBA.

[0009] Preferably, the lower test board is also fixed with a plurality of lower positioning rods, which pass through the lower mounting plate and are slidably connected to the lower mounting plate. The lower positioning rods can be provided to achieve precise contact between the lower probe and the test point on the PCBA board.

[0010] Preferably, the upper rack and the lower rack are respectively arranged on both sides of the gear.

[0011] Preferably, a lifting cylinder is fixed on the bottom plate below the turntable, and a top block is fixed at the end of the piston rod of the lifting cylinder. The tested PCBA board moves with the turntable to just above the top block, the lifting cylinder is started, and the top block pushes the PCBA board up after contacting the PCBA board, and the PCBA board is separated from the fixing hole and then the tested PCBA board is removed.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] The device can test the circuits on both sides of a double-layer circuit board at the same time, greatly improving the test efficiency of the PCBA board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is another structural schematic diagram of the present invention from another angle;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0018] In the figure: 1, bottom plate; 2, motor; 3, turntable; 4, fixing hole; 5, support ring; 6, test cylinder; 7, upper mounting plate; 8, upper test plate; 9, upper probe; 10, upper positioning rod; 11, upper spring; 12, upper rack; 13, lower mounting plate; 14, limit rod; 15, lower rack; 16, support shaft; 17, gear; 18, lower test plate; 19, lower probe; 20, lower spring; 21, lifting cylinder; 22, top block; 23, lower positioning rod; DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below with reference to the accompanying drawings:

[0020] Embodiment 1:

[0021] like Figures 1 to 3As shown, the present embodiment discloses a PCBA test device for a smart watch, comprising a base plate 1, a motor 2 is fixed on the base plate 1, a turntable 3 is fixed to the output end of the motor 2, a plurality of fixing holes 4 penetrating the turntable 3 are evenly arranged on the turntable 3, a support ring 5 is fixed on the turntable 3 in the fixing holes 4, an upper mounting plate 7 is arranged above the turntable 3, an upper test plate 8 is arranged between the upper mounting plate 7 and the turntable 3, a plurality of upper probes 9 are fixed to the bottom of the upper test plate 8, a plurality of upper springs 11 are fixed between the upper mounting plate 7 and the upper test plate 8, a lower mounting plate 13 is arranged below the turntable 3, a lower test plate 18 is arranged between the lower mounting plate 13 and the turntable 3, and the lower test plate 1 8 is fixed with a plurality of lower probes 19, a plurality of lower springs 20 are also fixed between the lower test plate 18 and the lower mounting plate 13, a test cylinder 6 is also fixed above the base plate 1, the piston rod end of the test cylinder 6 is fixed to the upper mounting plate 7, an upper rack 12 is also fixed to the upper mounting plate 7, a support shaft 16 is fixed above the base plate 1, a gear 17 rotatably connected to the support shaft 16 is provided on the support shaft 16, the gear 17 is meshed with the upper rack 12, a lower rack 15 is also fixed on the lower mounting plate 13, the lower rack 15 is meshed with the gear 17, a plurality of limit rods 14 are also fixed on the base plate 1, the limit rods 14 pass through the lower mounting plate 13 and are slidably connected to the lower mounting plate 13. The PCBA board to be tested is placed on the support ring 5 of the fixing hole 4 of the turntable 3, and the turntable 3 is driven to rotate by the motor 2. The PCBA board rotates with the turntable 3 to the bottom of the upper test board 8, and the test cylinder 6 is started. The piston rod of the test cylinder 6 is extended, and the upper test board 8 descends. After the upper probe 9 on the upper test board 8 contacts the upper end surface of the PCBA board, an electrical test is performed on the circuit on the upper end surface of the PCBA board. When the upper mounting plate 7 descends, the upper rack 12 descends, the gear 17 rotates, the lower rack 15 rises, and the lower test board 18 rises. After the upper and lower probes 19 of the lower test board 18 contact the upper and lower end surfaces of the PCBA board, the circuit on the lower end surface of the PCBA board is tested. After the test is completed, the test cylinder 6 is started, the piston rod on the test cylinder 6 is shortened, and the upper probe 9 and the lower probe 19 are separated from the PCBA board. The device can test the circuits on both sides of the double-layer circuit board at the same time, which greatly improves the test efficiency of the PCBA board.

[0022] Among them, a plurality of upper positioning rods 10 are fixed on the upper test board 8, and the upper positioning rods 10 pass through the upper mounting plate 7 and are slidably connected to the upper mounting plate 7. By passing the upper positioning rods 10 through the upper mounting plate 7 and being slidably connected to the upper mounting plate 7, the upper test board 8 can be vertically lowered to ensure that the upper probe 9 is in precise contact with the test point on the PCBA.

[0023] Among them, a plurality of lower positioning rods 23 are also fixed on the lower test board 18, and the lower positioning rods 23 pass through the lower mounting plate 13 and are slidably connected to the lower mounting plate 13. The lower positioning rods 23 can be provided to achieve accurate contact between the lower probe 19 and the test points on the PCBA board.

[0024] The upper rack 12 and the lower rack 15 are respectively arranged on both sides of the gear 17 .

[0025] Embodiment 2:

[0026] This embodiment discloses a PCBA testing device for smart watches. Based on the structure and principle of the first embodiment, a lifting cylinder 21 is fixed on the bottom plate 1 below the turntable 3 of this embodiment, and a top block 22 is fixed at the end of the piston rod of the lifting cylinder 21. The PCBA board after the test is moved with the turntable 3 to the top of the top block 22, the lifting cylinder 21 is started, and the top block 22 contacts the PCBA board and pushes the PCBA board up. After the PCBA board is separated from the fixing hole 4, the PCBA board after the test is removed.

[0027] The above description is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, substitutions and variations should also be regarded as the scope of protection of the present invention.

Claims

1. A smart watch PCBA test device, comprising a base plate, characterized in that: A motor is fixed on the bottom plate, a turntable is fixed on the output end of the motor, a plurality of fixing holes penetrating the turntable are evenly arranged on the turntable, a support ring is fixed on the turntable in the fixing holes, an upper mounting plate is arranged above the turntable, an upper test plate is arranged between the upper mounting plate and the turntable, a plurality of upper probes are fixed on the bottom of the upper test plate, a plurality of upper springs are fixed between the upper mounting plate and the upper test plate, a lower mounting plate is arranged below the turntable, a lower test plate is arranged between the lower mounting plate and the turntable, and a plurality of lower probes are fixed on the lower test plate Needle, multiple lower springs are fixed between the lower test plate and the lower mounting plate, a test cylinder is fixed above the base plate, the end of the piston rod of the test cylinder is fixed to the upper mounting plate, an upper rack is fixed on the upper mounting plate, a support shaft is fixed above the base plate, a gear rotatably connected to the support shaft is provided on the support shaft, the gear is meshed with the upper rack, a lower rack is fixed on the lower mounting plate, the lower rack is meshed with the gear, and multiple limit rods are fixed on the base plate, the limit rods pass through the lower mounting plate and are slidably connected to the lower mounting plate.

2. The smart watch PCBA testing device according to claim 1, characterized in that: A plurality of upper positioning rods are also fixed on the upper test plate, and the upper positioning rods pass through the upper mounting plate and are slidably connected to the upper mounting plate.

3. The smart watch PCBA testing device according to claim 1, characterized in that: A plurality of lower positioning rods are also fixed on the lower test plate, and the lower positioning rods pass through the lower mounting plate and are slidably connected to the lower mounting plate.

4. The smart watch PCBA testing device according to claim 1, characterized in that: The upper rack and the lower rack are respectively arranged on both sides of the gear.

5. The smart watch PCBA testing device according to claim 1, characterized in that: A lifting cylinder is also fixed on the bottom plate below the rotating disk, and a lifting block is fixed at the end of the piston rod of the lifting cylinder.

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